Prepare release

RNSChannelOutlet.send() can return a packet that never reached the wire
(link not ACTIVE, no capable interface, etc). The old Channel.send()
queued the envelope in _tx_ring before calling outlet.send(), then
tried to rewind _next_sequence and remove the envelope if the outlet
returned a failed packet. Two problems:

- Between queueing and outlet.send() returning, _tx_ring held an
envelope with packet.raw=None. Any worker thread iterating the
ring (timeout fire, proof callback) crashed in get_packet_id's
packet.get_hash() with a TypeError on None.raw.

- The rewind was only safe for a single-threaded sender: it checked
"is _next_sequence one past mine?" and skipped the rewind otherwise.
Under concurrent senders, the rewind silently failed, leaving a
hole in the on-wire sequence stream. The receiver's contiguous
seqnum rule then stalled the channel permanently with no error.

This fix serializes the reservation-and-transmit pair with a per-channel
_send_lock so the rewind is always correct, and defers queueing until
outlet.send() returns a real packet so _tx_ring never contains a
packet-less envelope. _packet_tx_op() and get_packet_id() now also
defensively skip/return-None for packet-less envelopes.

Also handle the small race where a proof arrives between outlet.send()
registering the receipt and us installing the delivery callback: after
registration, re-read the receipt status and synthesize the
_packet_delivered() call if it's already DELIVERED.

.github/ISSUE_TEMPLATE/🐛-bug-report.md

@@ -12,6 +12,7 @@ Before creating a bug report on this issue tracker, you **must** read the [Contr
 
 - The issue tracker is used by developers of this project. **Do not use it to ask general questions, or for support requests**.
 - Ideas and feature requests can be made on the [Discussions](https://github.com/markqvist/Reticulum/discussions). **Only** feature requests accepted by maintainers and developers are tracked and included on the issue tracker. **Do not post feature requests here**.
+- Do not submit code written using large language models (LLMs) or other generative 'AI' programs (see the [Generative AI Policy](/Contributing.md#generative-ai-policy) for details).
 - After reading the [Contribution Guidelines](https://github.com/markqvist/Reticulum/blob/master/Contributing.md), **delete this section only** (*"Read the Contribution Guidelines"*) from your bug report, **and fill in all the other sections**.
 
 **Describe the Bug**

.github/workflows/build.yml

@@ -28,8 +28,10 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.x
-      - run: make test
+          python-version: 3.11
+      - run: |
+          python -m pip install -q cryptography
+          make test
 
   package:
     needs: test
@@ -41,7 +43,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.x
+          python-version: 3.11
       - run: |
           python -m pip install -q build wheel setuptools
           make remove_symlinks
@@ -91,6 +93,6 @@ jobs:
 #            .artifacts/documentation/latex/reticulumnetworkstack.pdf
 #            .artifacts/documentation/epub/ReticulumNetworkStack.epub
           draft: true
-          generate_release_notes: true
+          generate_release_notes: false
           prerelease: ${{ contains(github.ref, '-') }}
           fail_on_unmatched_files: true

.gitignore

@@ -13,3 +13,4 @@ tests/rnsconfig/storage
 tests/rnsconfig/logfile*
 *.data
 *.result
+.buildinfo.bak

Changelog.md

@@ -1,3 +1,705 @@
+### 2026-05-21: RNS 1.3.0
+
+This maintenance release fixes a number of bugs.
+
+**Changes**
+- Added ability to use wildcards and pattern matches in `rngit` artifact fetch targets
+- Fixed channel outlet sequence holes and ghost envelopes on dying outlets by **neutral**
+- Fixed known destination iteration races by **neutral**
+- Fixed timeout deadlock in `rnsh` by **neutral**
+- Fixed commit message rendering in `rngit`
+- Fixed various minor bugs and output inconsistencies in `rngit`
+- Adjusted timeouts for remote operations in `rngit`
+- Updated documentation
+
+**Verified Retrieval**
+You can retrieve and verify this release over Reticulum using the built-in `rngit release` utility. To download all artifacts, and the release manifest for future updates, you can use the following command:
+
+```sh
+rngit release rns://7649a50d84610232d1416b41d2896aff/reticulum/reticulum fetch latest:all --signer bc7291552be7a58f361522990465165c
+```
+
+To retrieve only the `.whl` package for installation, you can use:
+
+```sh
+rngit release rns://7649a50d84610232d1416b41d2896aff/reticulum/reticulum fetch latest:rns-1.3.0-py3-none-any.whl --signer bc7291552be7a58f361522990465165c
+```
+
+**Release Signatures**
+Release artifacts include a signed `rsm` release manifest and `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`. To verify files, download the `rsm` and `rsg` signatures, make sure they are in the same folder as the release artifact, and run `rnid` signature verification with the release identity as the required signer:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V manifest.rsm *.rsg
+```
+
+The `rnid` utility will then verify the signatures, and display whether they are valid. If the signature cannot be verified, the release has been tampered with and should be discarded.
+
+### 2026-05-19: RNS 1.2.9
+
+This release completes the operational functionality of the `rngit` system, which now has full release creation, fetch and verified update support using the `rngit release` command. Additionally, two chapters have been added to the manual should cover all the things that `rngit` is currently capable of.
+
+**Changes**
+- Added full `rngit` documentation to the manual
+- Added offline `.rsm` release manifest verification
+- Added the ability to fetch release updates directly from `.rsm` manifests
+- Added canonical `.rsm` release structure validator to `rnid` for import
+- Added `.rsm` manifest saving when using `rngit release fetch`
+- Added remote `HEAD` tracking for forks and mirros to `rngit`
+- Improved known destinations persist reliability
+- Improved page node ref link handling in `rngit`
+- Improved logging in various locations
+
+**Verified Retrieval**
+You can retrieve and verify this release over Reticulum using the built-in `rngit release` utility. To download all artifacts, and the release manifest for future updates, you can use the following command:
+
+```sh
+rngit release rns://7649a50d84610232d1416b41d2896aff/reticulum/reticulum fetch latest:all --signer bc7291552be7a58f361522990465165c
+```
+
+To retrieve only the `.whl` package for installation, you can use:
+
+```sh
+rngit release rns://7649a50d84610232d1416b41d2896aff/reticulum/reticulum fetch latest:rns-1.2.8-py3-none-any.whl --signer bc7291552be7a58f361522990465165c
+```
+
+**Release Signatures**
+Release artifacts include a signed `rsm` release manifest and `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`. To verify files, download the `rsm` and `rsg` signatures, make sure they are in the same folder as the release artifact, and run `rnid` signature verification with the release identity as the required signer:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V manifest.rsm *.rsg
+```
+
+The `rnid` utility will then verify the signatures, and display whether they are valid. If the signature cannot be verified, the release has been tampered with and should be discarded.
+
+### 2026-05-18: RNS 1.2.8
+
+This release improves the `rngit` system with signed release manifest generation and automatic artifact signing. It also includes several additions to `rnid` and various minor fixes and improvements to the `rngit` system.
+
+**Changes**
+- Added signed release manifest generation to `rngit release`
+- Added verified release fetching to `rngit release`
+- Added automatic artifact signing to `rngit release`
+- Added signed message creation from file to `rnid`
+- Added signed message metadata output option to `rnid`
+- Added `rsm` metadata embedding and spec validation to `rnid`
+- Added identity and destination aliases to `rngit`
+- Added blocked identities option to `rngit`
+- Added ability to render raw micron in markdown files to `rngit`
+- Added fork and mirror last sync time to repository page in `rngit`
+- Better handling of silly links in `rngit`
+- Fixed markdown table cell truncation not closing micron tags
+- Fixed various minor bugs and inconsistencies in `rngit`
+- Dropped `note` metadata field requirement from `rsg` structure
+
+**Release Signatures**
+Release artifacts include a signed `rsm` release manifest and `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`. To verify files, download the `rsm` and `rsg` signatures, make sure they are in the same folder as the release artifact, and run `rnid` signature verification with the release identity as the required signer:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V manifest.rsm *.rsg
+```
+
+The `rnid` utility will then verify the signatures, and display whether they are valid. If the signature cannot be verified, the release has been tampered with and should be discarded.
+
+### 2026-05-17: RNS 1.2.7
+
+This release significantly improves the `rngit` system with fork, mirroring and empty repository creation functionality, a new work document proposals feature, improvements to the transport core reliability and efficiency and various other tweaks and improvements.
+
+**Changes**
+- Added work document proposals functionality to `rngit`
+- Added fork and mirroring support to `rngit`
+- Added ability to create new repositories remotely to `rngit`
+- Added latest release management to `rngit`
+- Added download stats to `rngit`
+- Improved shared instance RPC error handling
+- Improved announce cache cleaning
+- Improved `rngit` page node link handling
+- Improved stats pages `rngit`
+- Improved transfer completed feedback in `rncp`, thanks to **neutral**
+- Improved interface transport insertion and removal
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`. To verify files, download the `rsg` signatures, make sure they are in the same folder as the release artifact, and run `rnid` signature verification with the release identity as the required signer:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns*.whl
+```
+
+The `rnid` utility will then verify the signatures, and display whether it is valid. If the signature cannot be verified, the file has been tampered with and should be thrown very far away in a jiffy.
+
+### 2026-05-14: RNS 1.2.6
+
+This release adds further improvements to the `rnid` and `rngit` utilities, and includes several bugfixes and other improvements.
+
+**Changes**
+- Added embedded message signing, validation and viewing to `rnid`
+- Added file encryption for multiple file path inputs and shell expansions to `rnid`
+- Added file decryption for multiple file path inputs and shell expansions to `rnid`
+- Added signature creation for multiple file path inputs and shell expansions to `rnid`
+- Added signature validation of multiple file path inputs and shell expansions to `rnid`
+- Added workdoc signing and validation to `rngit`
+- Added ability to edit workdoc titles to `rngit`
+- Added ability to download workdocs via the `nomadnet` interface to `rngit`
+- Added local URL resolution to the `rngit` repository frontpage markdown readme renderer
+- Improved `rnstatus` remote monitor loop
+- Improved `rngit` workdoc page handling
+- Improved `rngit` release page rendering
+- Fixed missing none check in interface discovery sanitizer thanks to PAzter1101
+- Fixed potential race condition in interface discovery
+- Fixed `rngit` remote helper hanging on startup if no client config had been created previously, and RNS loglevel was configured at debug or higher
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`. To verify files, download the `rsg` signatures, make sure they are in the same folder as the release artifact, and run `rnid` signature verification with the release identity as the required signer:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns*.whl
+```
+
+The `rnid` utility will then verify the signatures, and display whether it is valid. If the signature cannot be verified, the file has been tampered with and should be thrown very far away in a jiffy.
+
+### 2026-05-09: RNS 1.2.5
+
+This release brings substantial improvements to path request handling, and should significantly reduce overall network and local transport node processing loads. Path requests are now automatically ingress and egress limited per interface and sub-interface. Although the defaults are effective and sane, and should work right out of the box bring an end to practically all the PR and announce spam going on lately, the backend is fully configurable for both defaults and per interface, if you want to fiddle with the settings.
+
+People who have written (ahem... *prompted into existence*) strange applications, that believed sending 25 random path requests every 10 seconds to try and punch holes through announce limiting, will now most likely find any potential users of such applications complaining that they are losing the ability to resolve paths alltogether, which is (entirely) by design, of course. Seriously, don't do crap like that.
+
+You can read more about how the new ingress and egress controls work in the updated manual sections, in the Interfaces chapter.
+
+For all node ops out there, I'd recomment updating to this at some sort of semi-expedient, but of course not un-leisurely pace, so peace and order on the networks can be restored.
+
+**Changes**
+- Added path request ingress and egress control with sane defaults for transport nodes
+- Added full configurability of ingress and egress controls per interface and for instance-wide defaults
+- Significantly improved transport logic for path request and announce handling
+- Added path request frequency display to `rnstatus`
+- Added AutoInterface per-peer announe rate display to `rnstatus`
+- Added abilit to filter interfaces by burst state to `rnstatus`
+- Added hex/base32/base64 ASCII-wrapped output to `rnid` signature generator
+- Tuned default ingress control parameters
+- Fixed regression in link close handling in `rnstatus` and `rnpath` remote management handling
+- Fixed invalid handling of corrupted interface discovery files
+- Fixed announce processing edge case handling if path was cleaned while waiting for rebroadcast
+- Improved `rngit` error logging
+- Improved transport background jobs error handling
+- Fixed various edge-cases and inconsistencies in markdown rendering in `rngit`
+- Ensured canonical validation functions in `rngit`
+- Lots of other small fixes and stability improvements to `rngit`
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`. To verify files, download the `rsg` signatures, make sure they are in the same folder as the release artifact, and run `rnid` signature verification with the release identity as the required signer:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns-1.2.5-py3-none-any.whl
+```
+
+The `rnid` utility will then verify the signatures, and display whether it is valid. If the signature cannot be verified, the file has been tampered with and should be thrown very far away in a jiffy.
+
+### 2026-05-07: RNS 1.2.4
+
+This release brings a complete rewrite and update to the `rnid` utility, which is now a lot more useful, and better at finding and saving identities. It also includes a bunch of other improvements, such as expanded `rngit` functionality, better transport performance and a few bugfixes. Enjoy!
+
+Unless something really crazy happens, this will probably be the last release that is also published to GitHub, since everything can now run over Reticulum itself. Updates to `pip` will continue at least until `rnpkg` is complete, and RNS is completely self-hosting.
+
+**Changes**
+- Completely rewrote the `rnid` utility, **much** better now
+- Added ability to query network for raw identities to `rnid`
+- Added new, much more useful `rsg` file signature format
+- Added auto-retain functionality for used identities to `rnid`
+- Added outbound announce frequency per-client display to `rnstatus`
+- Added announce rate control settings display to `rnstatus`
+- Added announce rate control defaults configuration options
+- Added saner default announce rate settings for transport nodes
+- Added detection of Yggdrasil addresses to auto-connect handler
+- Added work document permissions resolver to `rngit`
+- Added ability to create updates and comments on `rngit` work documents
+- Added work document permissions control logic and CLI interaction to `rngit`
+- Added support for node-local URL-scoping in `rngit` markdown converter
+- Added API functionality for retaining identity data
+- Added the manual in markdown format
+- Improved `rngit` releases page rendering
+- Improved auto-connect logging
+- Improved transport performance
+- Improved logging performance
+- Improved shutdown handling
+- Improved workdoc sorting
+- Fixed time formatting being unintuitive sometimes
+- Fixed markdown-to-micron formatting and syntax highlighting being weird sometimes
+
+**Release Hashes**
+```
+e821a0b6a18d6b3263bbcdde880d0388fb4dd0c07c7eb2f83cb0dbc30eda5965 rns-1.2.4-py3-none-any.whl
+618e823cec0bd368f2f211431dfb78efef75e59132bad93d3101dacbe7deb7a6 rnspure-1.2.4-py3-none-any.whl
+```
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`. To verify files, download the `rsg` signatures, make sure they are in the same folder as the release artifact, and run `rnid` signature verification with the release identity as the required signer:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns-1.2.4-py3-none-any.whl
+```
+
+The `rnid` utility will then verify the signatures, and display whether it is valid. If the signature cannot be verified, the file has been tampered with and should be thrown very far away in a jiffy.
+
+This is the first release using the new `rsg` signature format, and you will need this latest version of RNS to verify them. Ironic, I know, but that's how it is. Since release file hashes are now embbeded in the `rsg` signatures, this is the last release that will explicitly post the raw release hashes. Verifying with `rnid` is much more effective, since it ensures all data was signed by the release identity.
+
+### 2026-05-05: RNS 1.2.3
+
+This release adds Work Document and update/commenting support to `rngit`. 
+
+**Changes**
+- Added Work Document management to `rngit`.
+- Added Work pages to the page node of `rngit`.
+- Added `interact` permission type to `rngit`.
+- Added `admin` permission type to `rngit`.
+- Added markdown blockquote support to the `rngit` markdown-to-micron converter.
+- Improved markdown-to-micron conversion and syntax highlighting accuracy in `rngit`.
+
+**Release Hashes**
+```
+8562130f297a6b33be9d72c449bbe6ae83cad41e1530e0fa112f5fa545a3f364 rns-1.2.3-py3-none-any.whl
+0862f46a08e610add1bcac0916c6554f3e79590ab2765900178d5e1f1f0c7026 rnspure-1.2.3-py3-none-any.whl
+```
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns-1.2.3-py3-none-any.whl.rsg
+```
+
+### 2026-05-05: RNS 1.2.2
+
+This release adds release management workflows to the `rngit` utility. Downloading files and release artifacts from `rngit` will require the latest version of Nomad Network. Other nomadnet clients *may* have to update their file download link handling, if they don't already support passing query parameters for file download links.
+
+**Changes**
+- Added release management to `rngit`.
+- Added release pages to the page node of `rngit`.
+- Added file downloads in the tree browser of `rngit`.
+
+**Release Hashes**
+```
+4bf0a376a9778de8a91b9ec8a5bc4b929be928eede8784b20022c7fe52bbce62 rns-1.2.2-py3-none-any.whl
+d85f8b765dcf718d284388b249ca0e48e785f250bb41773a83e159e46c5bcf70 rnspure-1.2.2-py3-none-any.whl
+```
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns-1.2.2-py3-none-any.whl.rsg
+```
+
+### 2026-05-04: RNS 1.2.1
+
+This release adds a nomadnet Git page node to the `rngit` utility.
+
+**Changes**
+- Added nomadnet page node to `rngit`.
+
+**Release Hashes**
+```
+5ccbfc31b528133c4dd06c132034c2151e4eed74bc2dcf40af52385094492c9e rns-1.2.1-py3-none-any.whl
+cda45994a58f18bf25244a1f396c9197240bc012dd85c86bffc2e73dcf0607de rnspure-1.2.1-py3-none-any.whl
+```
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns-1.2.1-py3-none-any.whl.rsg
+```
+
+### 2026-04-28: RNS 1.2.0
+
+This release brings the ability to use Git natively over Reticulum networks, adds the `rnsh` program as part of the included utilities, and additionally includes several improvements and performance optimizations.
+
+**Changes**
+- Added Reticulum Git Repositories Node utility as part of included utility programs.
+- Added git remote helper to interact with git repositories over Reticulum.
+- Added the `rnsh` program to the included utilities.
+- Added LocalInterface client TX hold on client app sleep on Android.
+- Added AutoInterface filters for `rmnet` interfaces on Android.
+- Added inbound packet wait during transport core initialization.
+- Added the ability to set logfile destination before RNS initialization.
+- Added automatic active link teardown on instance shutdown.
+- Improved link teardown on SIGINT/SIGTERM.
+- Improved ratchet cleaning.
+
+**Release Hashes**
+```
+b58e97332241755ed32e309d46e09615a123490430ae85fcbdec9318c9e26154 rns-1.2.0-py3-none-any.whl
+9813a6c2236edba18af7d3a072a6226bc65ae384d23b1f41467cb3617d65fdae rnspure-1.2.0-py3-none-any.whl
+```
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns-1.2.0-py3-none-any.whl.rsg
+```
+
+### 2026-04-22: RNS 1.1.9
+
+This maintenance release fixes a critical security issue, that would allow an attacker to craft a BZ2 decompression bomb via Resource transfers or Buffer StreamDataMessage, causing an out-of-memory condition and crashing the receiving process via OOM killer.
+
+Big thanks to @defidude (github.com/ratspeak) for discovering and reporting this vulnerability!
+
+**Changes**
+- Fixed bz2 decompression bomb vulnerability in Resource transfer assembly and Buffer StreamDataMessage unpacking.
+
+**Release Hashes**
+```
+39a131aeb5d76fd73bfc67f68135f49ab0cf8628af154e04096a05c208ce77b6 rns-1.1.9-py3-none-any.whl
+aab7bfc8c65514c9bdf4c22f00d288faf6c9e1777fc002dbe3eb29c286e67128 rnspure-1.1.9-py3-none-any.whl
+```
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns-1.1.9-py3-none-any.whl.rsg
+```
+
+### 2026-04-21: RNS 1.1.8
+
+This maintenance release fixes a critical bug in path state management, that could result in significant path convergence degradation under certain conditions.
+
+**Changes**
+- Fixed path state potentially being applied before path table entry exists, causing worse paths to be selected.
+
+**Release Hashes**
+```
+9cf728e9e9a9fe113e4ac14e6b833f7ee65feedf8468e6ab94a261bf205f2632 rns-1.1.8-py3-none-any.whl
+407dc3975335e9eabaaddb7ed1dc75fc3a1b8d24a7207e740797440c2ad0b3e5 rnspure-1.1.8-py3-none-any.wh
+```
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns-1.1.8-py3-none-any.whl.rsg
+```
+
+### 2026-04-21: RNS 1.1.7
+
+**Changes**
+- Added periodic known destination data cleaning based on local relevance.
+- Improved resource transfer sequencing timing calculations and reliability.
+- Improved BackboneInterface error handling on EPOLL errors.
+- Ensured non-background data persist runs synchronously.
+
+**Release Hashes**
+```
+4d9702c5d9bb8a3c8b94766cb51cccad5afd78d615af9a6b146730347044e6f0 rns-1.1.7-py3-none-any.whl
+172dede7656b41b85e4319354ed04649b518e58c54586da7e443579c620a0a5b rnspure-1.1.7-py3-none-any.whl
+```
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns-1.1.7-py3-none-any.whl.rsg
+```
+
+### 2026-04-18: RNS 1.1.6
+
+**Changes**
+- Improved transport memory consumption.
+- Improved transport tunnel handling.
+- Improved gracious transport data persist handling.
+- Added ingress control bypass for pending path requests.
+- Added local destinations lookup map for better transport efficiency to local destinations.
+- Fixed disk I/O bound thread execution time starvation on cache management jobs.
+- Fixed invalid EPOLL modification error handler.
+- Fixed incorrect default IFAC size for autoconnected, discovered interfaces. Thanks @taprootmx!
+- Ensure loop-originating closures have variables captured at iteration-time. Thanks @taprootmx!
+
+**Release Hashes**
+```
+2ce4451668f8c464295cc269188c232e7805ddd618ec0135550a5e6809df5de0 rns-1.1.6-py3-none-any.whl
+ba3e541e69a2f4892177383c8ec4e7d172d298546317e08270928c0163865aa3 rnspure-1.1.6-py3-none-any.wh
+```
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns-1.1.6-py3-none-any.whl.rsg
+```
+
+### 2026-04-13: RNS 1.1.5
+
+**Changes**
+- Initial refactoring work for free-threaded transport I/O.
+- Improved interface discovery validation.
+- Fixed invalid ingress control burst activation and subsequent path resolution failure due to incorrect announce frequency calculation.
+- Fixed missing configuration entry generation for discovered I2P interfaces.
+- Fixed resource transfer cancellation failing on in-flight split resource transfers.
+- Fixed ingress control configuration not inheriting down to spawned interfaces on some interface types.
+
+**Release Hashes**
+```
+28f39ad97ef307a1e270b91ef19db07d8e1a7bbc8628c478303725894c64deff rns-1.1.5-py3-none-any.whl
+1a90db16d2cff4ad909b44baf9b4fd0177da2ed545cdb9cfb2c51423707b49e9 rnspure-1.1.5-py3-none-any.whl
+```
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns-1.1.5-py3-none-any.whl.rsg
+```
+
+#
+
+### 2026-03-12: RNS 1.1.4
+
+**Changes**
+- Fixed invalid application of IP/hostname validation for on non-relevant interfaces. Thanks @joakim!
+
+**Release Hashes**
+```
+b2a175abd64d1581dd058206832793dbf7053a304c819ff8bc143a79c49cb747 rns-1.1.4-py3-none-any.whl
+16c4ae6722bbd016e8db046e7bdd60eb24f9ec55966ec5723dc39301265d0186 rnspure-1.1.4-py3-none-any.whl
+```
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns-1.1.4-py3-none-any.whl.rsg
+```
+
+### 2026-01-17: RNS 1.1.3
+
+**Changes**
+- Improved discovered interface auto-connect handling
+- Improved interface discovery handling
+- Added `discovered_interfaces` API method
+- Fixed a potential race condition in request timeout handling
+- Fixed a regression in resource file transfers
+
+**Release Hashes**
+```
+1de9b46c8f24931fa41974664ddbf4251d3fdd069be4de03c64b42a7cf4f8fb4 rns-1.1.3-py3-none-any.whl
+eac8d223fcb6ce94e1bd3f04730d8542675caf4b22286e11988e9402ea9b69c0 rnspure-1.1.3-py3-none-any.whl
+```
+
+**Release Signatures**
+Release artifacts include `rsg` signature files that can be validated against the RNS release signing identity `<bc7291552be7a58f361522990465165c>` using `rnid`:
+
+```sh
+rnid -i bc7291552be7a58f361522990465165c -V rns-1.1.3-py3-none-any.whl.rsg
+```
+
+### 2026-01-04: RNS 1.1.0
+
+Enjoy.
+
+**Changes**
+- Added on-network global interface discovery. Hello world.
+- Added discovered interface auto-connection. Robotic.
+- Added external IP resolution for discovery-enabled interfaces. Snip-snip.
+- Added encrypted interface discovery announces. Welcome home.
+- Added bootstrap interface functionality. Decent.
+- Added blackhole handling and management. Thank the Chinese guy.
+- Added distributed blackhole list publishing and updating. Spammers go home.
+- Added foundational network identity implementation. All your base.
+- Added `await_path` method to API. Tick-tock.
+- Added reverse-unicast peer discovery packet mechanism to AutoInterface. Ping-pong.
+- Added custom identity support to `rncp`, thanks MikelCalvo!
+- Added monitor mode to `rnstatus`, thanks MikelCalvo!
+- Improved announce processing. Swoosh.
+- Updated documentation quite a bit. Looky.
+- Enabled per-peer ingress limiting on Weave and Auto interfaces. Hammertime.
+- Fixed **the** typo, yes it's the olny one I'm sure.
+- Fixed bugs. Squish.
+
+**Release Hashes**
+```
+180b8baec2ec7d21abe2cec25ff763e70b2129c012fb02fc23c2fd654f94c1f5 dist/rns-1.1.0-py3-none-any.whl
+d9e32caf66a9c53199e901d2c173e1de1bf50f1f0c9d5250e5d1b3b07bedcd7c dist/rnspure-1.1.0-py3-none-any.whl
+```
+
+### 2025-11-19: RNS 1.0.4
+
+This maintenance release adds improved handling for RNodes with a PA/LNA combo.
+
+**Changes**
+- Improved handling for RNodes with PA/LNA combo
+- Added interference detection stats to `rnstatus` output for RNode interfaces
+- Updated documentation
+
+**Release Hashes**
+```
+7a2b7893410833b42c0fa7f9a9e3369cebb085cdd26bd83f3031fa6c1051653c rns-1.0.4-py3-none-any.whl
+ee647e7b3b94abdf1fab618a861390531a4aacc93eecce12c9e97280195c0e2d rnspure-1.0.4-py3-none-any.whl
+```
+
+### 2025-11-19: RNS 1.0.3
+
+This release includes updates to RNode BLE reliability, and adds support for connecting RNodes to a host over WiFi and Ethernet.
+
+**Changes**
+- Added support for connecting RNode devices over WiFi and Ethernet
+- Added support for configuring RNode WiFi and IP settings to `rnodeconf`
+- Updated BLE connection read timeouts on Android, fixes intermittent BLE connection resets in areas with high 2.4GHz spectrum utilization
+- Added handling for edge case where RNode serial port was never opened due to failure on interface detach
+- Fixed broken links in documentation
+
+**Release Hashes**
+```
+6bafde4c838ad778bf6878967e84c798e34d6ca621b255f59a60f38cb04ac138 rns-1.0.3-py3-none-any.whl
+f277899f95c1189c6bf3beb40ac656c8b36dfd3d7e4cfb2bc3b4a1e6dc3484fa rnspure-1.0.3-py3-none-any.whl
+```
+
+### 2025-11-10: RNS 1.0.2
+
+This maintenance release adds support for high-power RNodes with a LoRa PA and/or LNA.
+
+**Changes**
+- Added support for RNodes with a PA and/or LNA
+- Added support for monitoring RNode CPU temperature via `rnodeconf`
+
+**Release Hashes**
+```
+723bcf0a839025060ff680c4202b09fa766b35093a4a08506bb85485b8a1f154 rns-1.0.2-py3-none-any.whl
+b02de8aeb1381ed2610f27f78799bab031367ed7bf500951fb8d5c2542d4a409 rnspure-1.0.2-py3-none-any.whl
+```
+
+### 2025-11-02: RNS 1.0.1
+
+This release brings a number of bugfixes, as well as stability and reliability improvements. It also adds support for using Weave devices as Reticulum interfaces, fixes long-standing Bluetooth Low Energy connection issues on Android, and includes several API and usability improvements.
+
+**Changes**
+- Added path response signalling to announce handler API
+- Added interface module for Weave devices
+- Added support for connecting to Weave devices over serial/USB on Android
+- Added support for allow files to `rnx`
+- Added detection and logging of multicast echoes never arriving on AutoInterface system devices.
+- Added Heltec v4 support to `rnodeconf`
+- Implemented handler for ensuring dynamic destination app data can be generated and sent even on first system-internal discovery announce
+- Updated documentation and manual
+- Improved `AutoInterface` peering timing
+- Fixed RNodeInterface Bluetooth Low Energy connection hangs on Android
+- Fixed RNodeInterface Bluetooth Low Energy MTU not being configured correctly on Android
+- Fixed command byte collision in RNodeInterface and RNodeMultiInterface
+- Fixed string formatting for Android log output
+- Updated output formatting for `rnid`
+
+**Release Hashes**
+```
+aa77b4c8e1b6899117666e1e55b05b3250416ab5fea2826254358ae320e8b3ed rns-1.0.1-py3-none-any.whl
+b3ddfa0b533631d9f1213043a0282952ae6e9f72c3072bbca053ac48e0483f7e rnspure-1.0.1-py3-none-any.whl
+```
+
+### 2025-07-14: RNS 1.0.0
+
+We're out of beta. Thanks to **everyone** who helped make it this far.
+
+This release brings a number of bugfixes, as well as stability and reliability improvements.
+
+**Changes**
+- Improved BLE device discovery on Android
+- Improved BLE MTU configuration on Android
+- Fixed a bug in handling of link requests with invalid link mode bytes
+- Fixed potential AutoInterface peer discovery add before final init complete
+- Fixed a potential EPOLL backend hang on interface failure
+- Fixed various log statements
+- Fixed announce cap crash for `RNodeMultiInterface` with transport mode enabled
+- Updated documentation
+- Removed legacy AES-128 handlers
+
+**Release Hashes**
+```
+5a9f18840510b69f89c6706d130177e2843c9e19c774707ae2661030d693dfc1 rns-1.0.0-py3-none-any.whl
+acfd52af9bf41f78be017579ca06c0abe748d0b98dbdc9baacf140a0606599ec rnspure-1.0.0-py3-none-any.whl
+```
+
+### 2025-05-15: RNS β 0.9.6
+
+This release activates AES-256 as the default encryption mode for all communication. It is the last release that will support the old AES-128 based modes, which will be entirely phased out in the next release.
+
+This release also includes a number of API and resource consumption improvements, and fixes a bug.
+
+**Changes**
+- Enabled AES-256 as default encryption mode for all traffic
+- Added dynamic link keepalive and timeout calculation
+- Added ability to efficiently transfer files as responses in the `Request` API
+- Added ability to include metadata on `Resource` transfers
+- Added option to specify `Resource` auto-compression limits
+- Added option to specify `Request` response auto-compression limits
+- Added `Resource` transfer example
+- Added allow overwrite option to `rncp`
+- Improved hardware MTU auto-configuration
+- Improved handling of file transfers using the `Resource` API
+- Improved `Resource` transfer memory consumption
+- Improved memory consumption of applications connected to a shared instance
+- Improved `rncp` memory consumption for large files
+- Fixed announce handlers not triggering after shared instance disappearance
+
+**Release Hashes**
+```
+a23c64a04c1e83fd0ab449f564ac904da7fd4f61c0faf68a063f486cc48b44bd rns-0.9.6-py3-none-any.whl
+4544882dea902b18b00d8a04c9ab93201974573b7b63c3db06cb310b0acec240 rnspure-0.9.6-py3-none-any.whl
+```
+
+### 2025-05-09: RNS β 0.9.5
+
+This release initiates migration of Reticulum from AES-128 to AES-256 as the default link and packet cipher mode. It is a compatibility/migration release, that while supporting AES-256 doesn't use it by default. It will work with both the old AES-128 based modes, and the new AES-256 based modes. There's a very slight penalty in performance to support both the old and new modes at the same time, but only for single packet APIs (not links), and it really shouldn't be noticeable in any everyday use.
+
+In the next release, version `0.9.6`, Reticulum will transition fully to AES-256 and use it by default for all communications. That means that both single packets and links will use AES-256 by default. The old AES-128 link mode may or may not be available for a few releases, but will ultimately be phased out entirely.
+
+The update requires no intervention, configuration changes or anything similar from a users or developers perspective. Everything should simply work. This goes both for the `0.9.5` update, and the next `0.9.6` update that transitions fully to AES-256.
+
+**Changes**
+- Added support for AES-256 mode to links and packets
+- Added dynamic link mode support
+- Added temporary backwards compatibility for AES-128 link and packet modes
+- Added `get_mode()` method to link API
+- Added tests for all enabled link modes
+- Added `instance_name` option and description to default config file
+- Improved ratchet persist reliability if Reticulum is force killed while persisting ratchets
+- Fixed interface string representation for some interfaces
+- Fixed instance name config option being overwritten if option was not last in section
+- Fixed unhandled potential exception on fast-flapping `BackboneInterface` connections
+
+**Release Hashes**
+```
+ae6587c86c98cae0df73567af093cc92fe204e71bb01f2506da9aec626a27e97 rns-0.9.5-py3-none-any.whl
+96208c1d1234e3e4b1c18ca986bad5d4693aeb431453efd7ade33b87f35600e1 rnspure-0.9.5-py3-none-any.whl
+```
+
+### 2025-04-15: RNS β 0.9.4
+
+This release significantly improves memory utilisation and performance. It also includes a few new features and general improvements to the included utilities and programs.
+
+**Changes**
+- Significantly improved memory utilisation, thread count and performance on nodes with many interfaces or clients
+- Switched local instance communication to run over abstract domain sockets on Linux and Android
+- Switched instance IPC to run over abstract domain sockets on Linux and Android
+- Added kernel event based I/O backend on Linux and Android
+- Added fast `BackboneInterface` type
+- Added support for XIAO-ESP32S3 to `rnodeconf`
+- Added interactive shell option to `rnsd`
+- Added API option to search for identity by identity hash
+- Added option to run TCP and Backbone interfaces in AP mode
+- Improved `RNodeMultiInterface` host communications specification
+- Improved `rncp` statistics output
+- Improved link and reverse-table culling
+- Fixed an occasional I/O thread hang on instance shutdown, that would result in an error printed to the console
+- Fixed various minor interface logging inconsistencies
+- Fixed various minor interface checking inconsistencies
+- Updated internal `configobj` implementation
+- Refactored various parts of the transport core code
+- Swicthed to using internal `netinfo` implementation instead of including full `ifaddr` library
+- Cleaned out unneeded dependencies
+
+**Release Hashes**
+```
+737294f29e013f9fa9c8c1326006d0547497607156828fee3dc2a0d3ddd754e7  rns-0.9.4-py3-none-any.whl
+0bd8a908af115c27733484853d779574d6383ebc1d78160e5a72c14ed9692a13  rnspure-0.9.4-py3-none-any.whl
+```
+
 ### 2025-03-13: RNS β 0.9.3
 
 This maintenance release improves performance and fixes a number of bugs.

Contributing.md

@@ -8,21 +8,28 @@ Apart from writing code, there are many ways in which you can contribute. Before
 
 First and foremost, there is one simple requirement for taking part in this community: While we primarily interact virtually, your actions matter and have real consequences. Therefore: **Act like a responsible, civilized person** - especially in the face of disputes and heated disagreements. Speak your mind here; discussions are welcome. Just do so in the spirit of being face-to-face with everyone else. Thank you.
 
+In order to keep the discussion forums and issue trackers navigable and useful, the following types of posts will be deleted without notice:
+
+- Spam.
+- Questions that have already been adequately answered elsewhere. Use the search function.
+- Low-effort posts or comments that contain no actual information or useful content. This is not a tea-house.
+- Post or comments solely containing personal opinions or beliefs without adding anything to the discussion. Facebook and X exists.
+- Content that simply waste the developer's / maintainer's time with completely obvious "ideas", "insights" or "recommendations". Yes, we have *at least* 8 neurons ourselves.
+- Posts that fail to understand that developing a highly complex software project with a very small amount of resources and people takes time. Imagining perfection on our behalf is useless.
+
+If you're new to the community and start out your engagement with any of the above transgressions, you will simply be banned without notice or explanation, and your post will be deleted.
+
+If you find this "harsh", "unfair" or "unwelcoming", go somewhere else. This is not social club, but a work environment for the people contributing to the project.
+
 ## Asking Questions
 
-If you want to ask a question, **do not open an issue**. The issue tracker is used by people *working on Reticulum* to track bugs, issues and improvements.
+If you want to ask a question, **do not open an issue**. The issue tracker is used by people *working on Reticulum* to track bugs, issues and improvements. Instead, ask away on the [discussions](https://github.com/markqvist/Reticulum/discussions).
 
-Instead, ask away on the [discussions](https://github.com/markqvist/Reticulum/discussions) or on the [Reticulum Matrix channel](https://matrix.to/#/#reticulum:matrix.org) at `#reticulum:matrix.org`
-
-## Providing Feedback & Ideas
-
-Likewise, feedback, ideas and feature requests are a very welcome way to contribute, and should also be posted on the [discussions](https://github.com/markqvist/Reticulum/discussions), or on the [Reticulum Matrix channel](https://matrix.to/#/#reticulum:matrix.org) at `#reticulum:matrix.org`.
-
-Please do not post feature requests or general ideas on the issue tracker, or in direct messages to the primary developers. You are much more likely to get a response and start a constructive discussion by posting your ideas in the public channels created for these purposes.
+Do not post feature requests or general ideas on the issue tracker, or in direct messages to the primary developers. You are much more likely to get a response and start a constructive discussion by posting your ideas in the public channels created for these purposes.
 
 ## Reporting Issues
 
-If you have found a bug or issue in this project, please report it using the [issue tracker](https://github.com/markqvist/Reticulum/issues). If at all possible, be sure to include details on how to reproduce the bug.
+If you have found a bug or issue in this project, please report it using the [issue tracker](https://github.com/markqvist/Reticulum/issues). Be sure to include details on how to reproduce the bug.
 
 Anything submitted to the issue tracker that does not follow these guidelines will be closed and removed without comments or explanation.
 
@@ -40,4 +47,12 @@ Pull requests have a high chance of being accepted if they are:
 
 Even new ideas and proposals that have not been approved by a maintainer, or fall outside the established roadmap, are *occasionally* accepted - if they possess the remaining of the above qualities. If not, they will be closed and removed without comments or explanation.
 
-By contributing code to this project, you agree that copyright for the code is transferred to the Reticulum maintainers and that the code is irrevocably placed under the [MIT license](./LICENSE).
+## Generative AI Policy
+
+Contributions written using large language models (LLMs) or other generative 'AI' programs are prohibited. LLMs produce errors so frequently and in a way that is so unlike human error that such issues are incredibly time-consuming to spot and fix. This is not a worthwhile tradeoff for Reticulum.
+
+This applies to all Reticulum-related projects and documentation, as well as all submitted issues and discussion in official channels, except in cases where language translation and/or speech recogntion technologies are required for communication.
+
+## Contributor License Agreement
+
+By contributing code to this project, you agree that copyright for the code is transferred to the Reticulum maintainers and that the code is irrevocably placed under the [Reticulum License](./LICENSE).

Examples/ExampleInterface.py

@@ -1,5 +1,3 @@
-# MIT License - Copyright (c) 2024 Mark Qvist / unsigned.io
-
 # This example illustrates creating a custom interface
 # definition, that can be loaded and used by Reticulum at
 # runtime. Any number of custom interfaces can be created

Examples/Request.py

@@ -1,6 +1,6 @@
 ##########################################################
-# This RNS example demonstrates how to set perform       #
-# requests and receive responses over a link.            #
+# This RNS example demonstrates how to perform requests  #
+# and receive responses over a link.                     #
 ##########################################################
 
 import os

Examples/Resource.py

@@ -0,0 +1,294 @@
+##########################################################
+# This RNS example demonstrates how to transfer a        #
+# resource over an established link                      #
+##########################################################
+
+import os
+import sys
+import time
+import random
+import argparse
+import RNS
+
+# Let's define an app name. We'll use this for all
+# destinations we create. Since this echo example
+# is part of a range of example utilities, we'll put
+# them all within the app namespace "example_utilities"
+APP_NAME = "example_utilities"
+
+##########################################################
+#### Server Part #########################################
+##########################################################
+
+# A reference to the latest client link that connected
+latest_client_link = None
+
+# This initialisation is executed when the users chooses
+# to run as a server
+def server(configpath):
+    # We must first initialise Reticulum
+    reticulum = RNS.Reticulum(configpath)
+    
+    # Randomly create a new identity for our link example
+    server_identity = RNS.Identity()
+
+    # We create a destination that clients can connect to. We
+    # want clients to create links to this destination, so we
+    # need to create a "single" destination type.
+    server_destination = RNS.Destination(
+        server_identity,
+        RNS.Destination.IN,
+        RNS.Destination.SINGLE,
+        APP_NAME,
+        "resourceexample"
+    )
+
+    # We configure a function that will get called every time
+    # a new client creates a link to this destination.
+    server_destination.set_link_established_callback(client_connected)
+
+    # Everything's ready!
+    # Let's Wait for client resources or user input
+    server_loop(server_destination)
+
+def server_loop(destination):
+    # Let the user know that everything is ready
+    RNS.log(
+        "Resource example "+
+        RNS.prettyhexrep(destination.hash)+
+        " running, waiting for a connection."
+    )
+
+    RNS.log("Hit enter to manually send an announce (Ctrl-C to quit)")
+
+    # We enter a loop that runs until the users exits.
+    # If the user hits enter, we will announce our server
+    # destination on the network, which will let clients
+    # know how to create messages directed towards it.
+    while True:
+        entered = input()
+        destination.announce()
+        RNS.log("Sent announce from "+RNS.prettyhexrep(destination.hash))
+
+# When a client establishes a link to our server
+# destination, this function will be called with
+# a reference to the link.
+def client_connected(link):
+    global latest_client_link
+    RNS.log("Client connected")
+
+    # We configure the link to accept all resources
+    # and set a callback for completed resources
+    link.set_resource_strategy(RNS.Link.ACCEPT_ALL)
+    link.set_resource_concluded_callback(resource_concluded)
+
+    link.set_link_closed_callback(client_disconnected)
+    latest_client_link = link
+
+def client_disconnected(link):
+    RNS.log("Client disconnected")
+
+def resource_concluded(resource):
+    if resource.status == RNS.Resource.COMPLETE:
+        RNS.log(f"Resource {resource} received")
+        RNS.log(f"Metadata: {resource.metadata}")
+        RNS.log(f"Data length: {os.stat(resource.data.name).st_size}")
+        RNS.log(f"Data can be read directly from: {resource.data}")
+        RNS.log(f"Data can be moved or copied from: {resource.data.name}")
+        RNS.log(f"First 32 bytes of data: {RNS.hexrep(resource.data.read(32))}")
+    else:
+        RNS.log(f"Receiving resource {resource} failed")
+
+
+
+##########################################################
+#### Client Part #########################################
+##########################################################
+
+# A reference to the server link
+server_link = None
+
+def random_text_generator():
+    texts = ["They looked up", "On each full moon", "Becky was upset", "I’ll stay away from it", "The pet shop stocks everything"]
+    return texts[random.randint(0, len(texts)-1)]
+
+# This initialisation is executed when the users chooses
+# to run as a client
+def client(destination_hexhash, configpath):
+    # We need a binary representation of the destination
+    # hash that was entered on the command line
+    try:
+        dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
+        if len(destination_hexhash) != dest_len:
+            raise ValueError(
+                "Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2)
+            )
+            
+        destination_hash = bytes.fromhex(destination_hexhash)
+    except:
+        RNS.log("Invalid destination entered. Check your input!\n")
+        sys.exit(0)
+
+    # We must first initialise Reticulum
+    reticulum = RNS.Reticulum(configpath)
+
+    # Check if we know a path to the destination
+    if not RNS.Transport.has_path(destination_hash):
+        RNS.log("Destination is not yet known. Requesting path and waiting for announce to arrive...")
+        RNS.Transport.request_path(destination_hash)
+        while not RNS.Transport.has_path(destination_hash):
+            time.sleep(0.1)
+
+    # Recall the server identity
+    server_identity = RNS.Identity.recall(destination_hash)
+
+    # Inform the user that we'll begin connecting
+    RNS.log("Establishing link with server...")
+
+    # When the server identity is known, we set
+    # up a destination
+    server_destination = RNS.Destination(
+        server_identity,
+        RNS.Destination.OUT,
+        RNS.Destination.SINGLE,
+        APP_NAME,
+        "resourceexample"
+    )
+
+    # And create a link
+    link = RNS.Link(server_destination)
+
+    # We'll set up functions to inform the
+    # user when the link is established or closed
+    link.set_link_established_callback(link_established)
+    link.set_link_closed_callback(link_closed)
+
+    # Everything is set up, so let's enter a loop
+    # for the user to interact with the example
+    client_loop()
+
+def client_loop():
+    global server_link
+
+    # Wait for the link to become active
+    while not server_link:
+        time.sleep(0.1)
+
+    should_quit = False
+    while not should_quit:
+        try:
+            print("> ", end=" ")
+            text = input()
+
+            # Check if we should quit the example
+            if text == "quit" or text == "q" or text == "exit":
+                should_quit = True
+                server_link.teardown()
+
+            else:
+                # Generate 32 megabytes of random data
+                data     = os.urandom(32*1024*1024)
+                RNS.log(f"Data length: {len(data)}")
+                RNS.log(f"First 32 bytes of data: {RNS.hexrep(data[:32])}")
+                
+                # Generate some metadata
+                metadata = {"text": random_text_generator(), "numbers": [1,2,3,4], "blob": os.urandom(16)}
+                
+                # Send the resource
+                resource = RNS.Resource(data, server_link, metadata=metadata, callback=resource_concluded_sending, auto_compress=False)
+
+                # Alternatively, you can stream data
+                # directly from an open file descriptor
+
+                # with open("/path/to/file", "rb") as data_file:
+                #     resource = RNS.Resource(data_file, server_link, metadata=metadata, callback=resource_concluded_sending, auto_compress=False)
+
+        except Exception as e:
+            RNS.log("Error while sending resource over the link: "+str(e))
+            should_quit = True
+            server_link.teardown()
+
+def resource_concluded_sending(resource):
+    if resource.status == RNS.Resource.COMPLETE: RNS.log(f"The resource {resource} was sent successfully")
+    else: RNS.log(f"Sending the resource {resource} failed")
+
+# This function is called when a link
+# has been established with the server
+def link_established(link):
+    # We store a reference to the link
+    # instance for later use
+    global server_link
+    server_link = link
+
+    # Inform the user that the server is
+    # connected
+    RNS.log("Link established with server, hit enter to send a resource, or type in \"quit\" to quit")
+
+# When a link is closed, we'll inform the
+# user, and exit the program
+def link_closed(link):
+    if link.teardown_reason == RNS.Link.TIMEOUT:
+        RNS.log("The link timed out, exiting now")
+    elif link.teardown_reason == RNS.Link.DESTINATION_CLOSED:
+        RNS.log("The link was closed by the server, exiting now")
+    else:
+        RNS.log("Link closed, exiting now")
+    
+    time.sleep(1.5)
+    sys.exit(0)
+
+
+##########################################################
+#### Program Startup #####################################
+##########################################################
+
+# This part of the program runs at startup,
+# and parses input of from the user, and then
+# starts up the desired program mode.
+if __name__ == "__main__":
+    try:
+        parser = argparse.ArgumentParser(description="Simple resource example")
+
+        parser.add_argument(
+            "-s",
+            "--server",
+            action="store_true",
+            help="wait for incoming resources from clients"
+        )
+
+        parser.add_argument(
+            "--config",
+            action="store",
+            default=None,
+            help="path to alternative Reticulum config directory",
+            type=str
+        )
+
+        parser.add_argument(
+            "destination",
+            nargs="?",
+            default=None,
+            help="hexadecimal hash of the server destination",
+            type=str
+        )
+
+        args = parser.parse_args()
+
+        if args.config:
+            configarg = args.config
+        else:
+            configarg = None
+
+        if args.server:
+            server(configarg)
+        else:
+            if (args.destination == None):
+                print("")
+                parser.print_help()
+                print("")
+            else:
+                client(args.destination, configarg)
+
+    except KeyboardInterrupt:
+        print("")
+        sys.exit(0)

FUNDING.json

@@ -0,0 +1,7 @@
+{
+  "drips": {
+    "ethereum": {
+      "ownedBy": "0xae89F3B94fC4AD6563F0864a55F9a697a90261ff"
+    }
+  }
+}

FUNDING.yml

@@ -1,2 +1,3 @@
+liberapay: Reticulum
 ko_fi: markqvist
-custom: "https://unsigned.io/donate"
+custom: "https://unsigned.io/donate"

LICENSE

@@ -1,6 +1,6 @@
-MIT License, unless otherwise noted
+Reticulum License
 
-Copyright (c) 2016-2024 Mark Qvist / unsigned.io
+Copyright (c) 2016-2026 Mark Qvist
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
+- The Software shall not be used in any kind of system which includes amongst
+  its functions the ability to purposefully do harm to human beings.
+
+- The Software shall not be used, directly or indirectly, in the creation of
+  an artificial intelligence, machine learning or language model training
+  dataset, including but not limited to any use that contributes to the
+  training or development of such a model or algorithm.
+
+- The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

MIRROR.md

@@ -0,0 +1,33 @@
+This repository is a public mirror. All potential future development is happening elsewhere.
+
+I am stepping back from all public-facing interaction with this project. Reticulum has always been primarily my work, and continuing in the current public, internet-facing model is no longer sustainable.
+
+The software remains available for use as-is. Occasional updates may appear at unpredictable intervals, but there will be no support, no responses to issues, no discussions, and no community management in this or any other public venue. If it doesn't work for you, it doesn't work. That is the entire extent of available troubleshooting assistance I can offer you.
+
+If you've followed this project for a while, you already know what this means. You know who designed, wrote and tested this, and you know how many years of my life it took. You'll also know about both my particular challenges and strengths, and how I believe anything worth building needs to be built and  maintained with our own hands.
+
+Seven months ago, I said I needed to step back, that I was exhausted, and that I needed to recover. I believed a public resolve would be enough to effectuate that, but while striving to get just a few more useful features and protocols out, the unproductive requests and demands also ramped up, and I got pulled back into the same patterns and draining interactions that I'd explicitly said I couldn't sustain anymore.
+
+So here's what you might have already guessed: I'm done playing the game by rules I can't win at.
+
+Everything you need is right here, and by any sensible measure, it's done. Anyone who wants to invest the time, skill and persistence can build on it, or completely re-imagine it with different priorities. That was always the point.
+
+The people who actually contributed - you know who you are, and you know I mean it when I say: Thank you. All of you who've used this to build something real - that was the goal, and you did it without needing me to hold your hand.
+
+The rest of you: You have what you need. Use it or don't. I am not going to be the person who explains it to you anymore.
+
+This is not a temporary break. It's not "see you after some rest", but a recognition that the current model is fundamentally incompatible with my life, my health, and my reality.
+
+If you want to support continued work, you can do so at the donation links listed in this repository. But please understand, that this is not purchasing support or guaranteeing updates. It is support for work that happens on my timeline, according to my capacity, which at the moment is not what it was.
+
+If you want Reticulum to continue evolving, you have the power to make that happen. The protocol is public domain. The code is open source. Everything you need is right here. I've provided the tools, but building what comes next is not my responsibility anymore. It's yours.
+
+To the small group of people who has actually been here, and understood what this work was and what it cost - you already know where to find me if it actually matters.
+
+To everyone else: This is where we part ways. No hard feelings. It's just time.
+
+---
+
+असतो मा सद्गमय
+तमसो मा ज्योतिर्गमय
+मृत्योर्मा अमृतं गमय

Makefile

@@ -27,6 +27,7 @@ clean:
 purge_docs:
 	@echo Purging documentation build...
 	@-rm -rf ./docs/manual
+	@-rm -rf ./docs/markdown
 	@-rm -rf ./docs/*.pdf
 	@-rm -rf ./docs/*.epub
 
@@ -50,18 +51,42 @@ build_pure_wheel:
 	python3 setup.py bdist_wheel --pure
 
 documentation:
-	make -C docs html
+	make -C docs html markdown
 
 manual:
 	make -C docs latexpdf epub
 
-release: test remove_symlinks build_sdist build_wheel build_pure_wheel documentation manual create_symlinks
+distcollect:
+	cp docs/Reticulum\ Manual.* dist
+
+build_spkg: remove_symlinks build_sdist create_symlinks
+
+release: test remove_symlinks build_sdist build_wheel build_pure_wheel documentation manual distcollect create_symlinks
 
 debug: remove_symlinks build_wheel build_pure_wheel create_symlinks
 
+local: release sign
+
+sign:
+	rngit release rns://7649a50d84610232d1416b41d2896aff/reticulum/reticulum create $$(python setup.py --getversion):dist --name rns --local
+
 upload:
-	@echo Ready to publish release, hit enter to continue
+	@echo Ready to publish release over Reticulum
+	@read VOID
+	rngit release rns://7649a50d84610232d1416b41d2896aff/reticulum/reticulum create $$(python setup.py --getversion):dist --name rns
+
+upload-pip: upload-rns-pip upload-rnspure-pip
+
+upload-rns-pip:
+	@echo Ready to publish rns release, hit enter to continue
 	@read VOID
 	@echo Uploading to PyPi...
-	twine upload dist/*
+	twine upload dist/rns-*.whl dist/rns-*.tar.gz
 	@echo Release published
+
+upload-rnspure-pip:
+	@echo Ready to publish rnspure release, hit enter to continue
+	@read VOID
+	@echo Uploading to PyPi...
+	twine upload dist/rnspure-*.whl
+	@echo Release published

README.md

@@ -1,8 +1,12 @@
-Reticulum Network Stack β <img align="right" src="https://static.pepy.tech/personalized-badge/rns?period=month&units=international_system&left_color=grey&right_color=blue&left_text=Installs/month" style="padding-left:10px"/><a href="https://github.com/markqvist/Reticulum/actions/workflows/build.yml"><img align="right" src="https://github.com/markqvist/Reticulum/actions/workflows/build.yml/badge.svg"/></a>
+Reticulum Network Stack <img align="right" src="https://static.pepy.tech/personalized-badge/rns?period=month&units=international_system&left_color=grey&right_color=blue&left_text=Installs/month" style="padding-left:10px"/><a href="https://github.com/markqvist/Reticulum/actions/workflows/build.yml"><img align="right" src="https://github.com/markqvist/Reticulum/actions/workflows/build.yml/badge.svg"/></a>
 ==========
 
 <p align="center"><img width="200" src="https://raw.githubusercontent.com/markqvist/Reticulum/master/docs/source/graphics/rns_logo_512.png"></p>
 
+*This repository is [a public mirror](./MIRROR.md). All development is happening elsewhere.*
+
+To understand the foundational philosophy and goals of this system, read the [Zen of Reticulum](Zen%20of%20Reticulum.md).
+
 Reticulum is the cryptography-based networking stack for building local and wide-area
 networks with readily available hardware. It can operate even with very high latency
 and extremely low bandwidth. Reticulum allows you to build wide-area networks
@@ -52,7 +56,7 @@ For more info, see [reticulum.network](https://reticulum.network/) and [the FAQ
 - Forward Secrecy is available for all communication types, both for single packets and over links
 - Reticulum uses the following format for encrypted tokens:
   - Ephemeral per-packet and link keys and derived from an ECDH key exchange on Curve25519
-  - AES-128 in CBC mode with PKCS7 padding
+  - AES-256 in CBC mode with PKCS7 padding
   - HMAC using SHA256 for authentication
   - IVs are generated through os.urandom()
 - Unforgeable packet delivery confirmations
@@ -62,7 +66,7 @@ For more info, see [reticulum.network](https://reticulum.network/) and [the FAQ
   - Easily create your own custom interfaces for communicating over anything
 - Authentication and virtual network segmentation on all supported interface types
 - An intuitive and easy-to-use API
-  - Simpler and easier to use than sockets APIs and simpler, but more powerful
+  - Simpler and easier to use than sockets APIs, but more powerful
   - Makes building distributed and decentralised applications much simpler
 - Reliable and efficient transfer of arbitrary amounts of data
   - Reticulum can handle a few bytes of data or files of many gigabytes
@@ -74,21 +78,32 @@ For more info, see [reticulum.network](https://reticulum.network/) and [the FAQ
   - Low cost of keeping links open at only 0.44 bits per second
 - Reliable sequential delivery with Channel and Buffer mechanisms
 
-## Roadmap
-While Reticulum is already a fully featured and functional networking stack,
-many improvements and additions are actively being worked on, and planned for the future.
+## Reference Implementation
 
-To learn more about the direction and future of Reticulum, please see the [Development Roadmap](./Roadmap.md).
+The Python code in this repository is the Reference Implementation of Reticulum.
+The Reticulum Protocol is defined entirely and authoritatively by this reference
+implementation, and its associated manual. It is maintained by Mark Qvist,
+identified by the Reticulum Identity `<bc7291552be7a58f361522990465165c>`.
+
+Compatibility with the Reticulum Protocol is defined as having full interoperability,
+and sufficient functional parity with this reference implementation. Any specific protocol
+implementation that achieves this is Reticulum. Any that does not is not Reticulum.
+
+The reference implementation is licensed under the Reticulum License.
+
+The Reticulum Protocol was dedicated to the Public Domain in 2016.
 
 ## Examples of Reticulum Applications
 If you want to quickly get an idea of what Reticulum can do, take a look at the
-following resources.
+[Programs Using Reticulum](https://reticulum.network/manual/software.html)
+section of the manual, or the following resources:
 
-- You can use the [rnsh](https://github.com/acehoss/rnsh) program to establish remote shell sessions over Reticulum.
 - [LXMF](https://github.com/markqvist/lxmf) is a distributed, delay and disruption tolerant message transfer protocol built on Reticulum
+- The [LXST](https://github.com/markqvist/lxst) protocol and framework provides real-time audio and signals transport over Reticulum. It includes primitives and utilities for building voice-based applications and hardware devices, such as the `rnphone` program, that can be used to build hardware telephones.
 - For an off-grid, encrypted and resilient mesh communications platform, see [Nomad Network](https://github.com/markqvist/NomadNet)
-- The Android, Linux, macOS and Windows app [Sideband](https://github.com/markqvist/Sideband) has a graphical interface and focuses on ease of use.
-- [MeshChat](https://github.com/liamcottle/reticulum-meshchat) is a user-friendly LXMF client, that also supports voice calls.
+- The Android, Linux, macOS and Windows app [Sideband](https://github.com/markqvist/Sideband) has a graphical interface and many advanced features, such as file transfers, image and voice messages, real-time voice calls, a distributed telemetry system, mapping capabilities and full plugin extensibility.
+- [MeshChatX](https://git.quad4.io/RNS-Things/MeshChatX) is a full-featured LXMF client with many built-in tools and functionalities, that also supports image and voice messages, file transfers and voice calls. It also includes a built-in page browser for browsing Nomad Network nodes.
+- You can use the included [rnsh](https://reticulum.network/manual/using.html#the-rnsh-utility) program to establish remote shell sessions over Reticulum.
 
 ## Where can Reticulum be used?
 Over practically any medium that can support at least a half-duplex channel
@@ -169,8 +184,10 @@ section of the [Reticulum Manual](https://markqvist.github.io/Reticulum/manual/)
 - A diagnostics tool called `rnprobe` for checking connectivity to destinations
 - A simple file transfer program called `rncp` making it easy to transfer files between systems
 - The identity management and encryption utility `rnid` let's you manage Identities and encrypt/decrypt files
-- The remote command execution program `rnx` let's you run commands and
-  programs and retrieve output from remote systems
+- The `rnsh` program allows you to establish fully interactive shell session with remote systems
+- The remote command execution program `rnx` let's you run simple commands and programs and retrieve output from remote systems
+- The `rngit` program provides a full multi-repository Git node for serving repositories over Reticulum
+- The included `git-remote-rns` helper allows you to interact with Git repositories over Reticulum
 
 All tools, including `rnx` and `rncp`, work reliably and well even over very
 low-bandwidth links like LoRa or Packet Radio. For full-featured remote shells
@@ -205,18 +222,17 @@ provide a dynamic performance envelope from 250 bits per second, to 1 gigabit
 per second on normal hardware.
 
 Currently, the usable performance envelope is approximately 150 bits per second
-to 40 megabits per second, with physical mediums faster than that not being
+to 500 megabits per second, with physical mediums faster than that not being
 saturated. Performance beyond the current level is intended for future
 upgrades, but not highly prioritised at this point in time.
 
 ## Current Status
-Reticulum should currently be considered beta software. All core protocol
-features are implemented and functioning, but additions will probably occur as
-real-world use is explored. There will be bugs. The API and wire-format can be
-considered relatively stable at the moment, but could change if warranted.
+All core protocol features are implemented and functioning, but additions will
+probably occur as real-world use is explored and understood. The API and wire-format
+can be considered stable.
 
 ## Dependencies
-The installation of the default `rns` package requires the dependencies listed
+The installation of the default `rns` package requires only two external dependencies, listed
 below. Almost all systems and distributions have readily available packages for
 these dependencies, and when the `rns` package is installed with `pip`, they
 will be downloaded and installed as well.
@@ -244,75 +260,53 @@ that do not support [PyCA/cryptography](https://github.com/pyca/cryptography),
 it is important that you read and understand the [Cryptographic
 Primitives](#cryptographic-primitives) section of this document.
 
+## Bootstrapping Connectivity
+
+Reticulum is not a service you subscribe to, nor is it a single global network you "join".
+Reticulum provides functionality for discovering available public interfaces
+over the network itself, and the broader community has provided various directories
+of publicly available entrypoints to bootstrap connectivity.
+
+To learn how to establish initial connectivity over Reticulum, read the [Bootstrapping Connectivity](https://reticulum.network/manual/gettingstartedfast.html#bootstrapping-connectivity) section of the manual.
+
+If you already have a general idea of how this works, you can use community-run
+sites such as [directory.rns.recipes](https://directory.rns.recipes/) and [rmap.world](https://rmap.world)
+to find interface definitions for initial connectivity to the global distributed Reticulum backbone.
+
 ## Public Testnet
-If you just want to get started experimenting without building any physical
-networks, you are welcome to join the RNS Development Testnet.
-
-The testnet is just that, an informal network for testing and experimenting.
-It will be up most of the time, and anyone can join, but it also means that
-there's no guarantees for service availability.
-
-It probably goes without saying, but *don't use the testnet entry-points as 
-hardcoded or default interfaces in any applications you ship to users*. When
-shipping applications, the best practice is to provide your own default
-connectivity solutions, if needed and applicable, or in most cases, simply
-leave it up to the user which networks to connect to, and how.
-
-The testnet runs the very latest version of Reticulum (often even a short while
-before it is publicly released). Sometimes experimental versions of Reticulum
-might be deployed to nodes on the testnet, which means strange behaviour might
-occur. If none of that scares you, you can join the testnet via either TCP or
-I2P. Just add one of the following interfaces to your Reticulum configuration
-file:
-
-```
-# TCP/IP interface to the RNS Amsterdam Hub
-  [[RNS Testnet Amsterdam]]
-    type = TCPClientInterface
-    enabled = yes
-    target_host = amsterdam.connect.reticulum.network
-    target_port = 4965
-
-# TCP/IP interface to the BetweenTheBorders Hub (community-provided)
-  [[RNS Testnet BetweenTheBorders]]
-    type = TCPClientInterface
-    enabled = yes
-    target_host = reticulum.betweentheborders.com
-    target_port = 4242
-
-# Interface to Testnet I2P Hub
-  [[RNS Testnet I2P Hub]]
-    type = I2PInterface
-    enabled = yes
-    peers = g3br23bvx3lq5uddcsjii74xgmn6y5q325ovrkq2zw2wbzbqgbuq.b32.i2p
-```
-
-The testnet also contains a number of [Nomad Network](https://github.com/markqvist/nomadnet) nodes, and LXMF propagation nodes.
+***Important!** Historically, a developer-targeted testnet was made available by the Reticulum project itself. As the amount of global Reticulum nodes and entrypoints have grown to a substantial quantity, this public testnet, including the Amsterdam Testnet entrypoint, has now been decommissioned. If your still have instances that relied on this entrypoint for connectivity, transition to using the distributed backbone instead. Reticulum now includes a full on-network interface discovery and connectivity bootstrapping system. Read the [Bootstrapping Connectivity](https://reticulum.network/manual/gettingstartedfast.html#bootstrapping-connectivity) section of the manual for pointers.*
 
 ## Support Reticulum
-You can help support the continued development of open, free and private communications systems by donating via one of the following channels:
+For this to be possible, I need your help. Please support the continued development of open, free and private communications systems by donating via one of the following channels:
 
 - Monero:
   ```
   84FpY1QbxHcgdseePYNmhTHcrgMX4nFfBYtz2GKYToqHVVhJp8Eaw1Z1EedRnKD19b3B8NiLCGVxzKV17UMmmeEsCrPyA5w
   ```
-- Ethereum
-  ```
-  0xFDabC71AC4c0C78C95aDDDe3B4FA19d6273c5E73
-  ```
 - Bitcoin
   ```
-  35G9uWVzrpJJibzUwpNUQGQNFzLirhrYAH
+  bc1pgqgu8h8xvj4jtafslq396v7ju7hkgymyrzyqft4llfslz5vp99psqfk3a6
   ```
-- Ko-Fi: https://ko-fi.com/markqvist
+- Ethereum
+  ```
+  0x91C421DdfB8a30a49A71d63447ddb54cEBe3465E
+  ```
+- Liberapay: https://liberapay.com/Reticulum/
 
-Are certain features in the development roadmap are important to you or your
-organisation? Make them a reality quickly by sponsoring their implementation.
+- Ko-Fi: https://ko-fi.com/markqvist
 
 ## Cryptographic Primitives
 Reticulum uses a simple suite of efficient, strong and well-tested cryptographic
 primitives, with widely available implementations that can be used both on
-general-purpose CPUs and on microcontrollers. The utilised primitives are:
+general-purpose CPUs and on microcontrollers.
+
+One of the primary considerations for choosing this particular set of primitives is
+that they can be implemented *safely* with relatively few pitfalls, on practically
+all current computing platforms.
+
+The primitives listed here **are authoritative**. Anything claiming to be Reticulum,
+but not using these exact primitives **is not** Reticulum, and possibly an
+intentionally compromised or weakened clone. The utilised primitives are:
 
 - Reticulum Identity Keys are 512-bit Curve25519 keysets
   - A 256-bit Ed25519 key for signatures
@@ -320,15 +314,15 @@ general-purpose CPUs and on microcontrollers. The utilised primitives are:
 - HKDF for key derivation
 - Encrypted tokens are based on the [Fernet spec](https://github.com/fernet/spec/)
   - Ephemeral keys derived from an ECDH key exchange on Curve25519
-  - AES-128 in CBC mode with PKCS7 padding
   - HMAC using SHA256 for message authentication
-  - IVs are generated through os.urandom()
+  - IVs must be generated through `os.urandom()` or better
+  - AES-256 in CBC mode with PKCS7 padding
   - No Fernet version and timestamp metadata fields
 - SHA-256
 - SHA-512
 
-In the default installation configuration, the `X25519`, `Ed25519` and
-`AES-128-CBC` primitives are provided by [OpenSSL](https://www.openssl.org/)
+In the default installation configuration, the `X25519`, `Ed25519`,
+and `AES-256-CBC` primitives are provided by [OpenSSL](https://www.openssl.org/)
 (via the [PyCA/cryptography](https://github.com/pyca/cryptography) package).
 The hashing functions `SHA-256` and `SHA-512` are provided by the standard
 Python [hashlib](https://docs.python.org/3/library/hashlib.html). The `HKDF`,
@@ -342,13 +336,19 @@ provided by the following internal implementations:
 
 
 Reticulum also includes a complete implementation of all necessary primitives
-in pure Python. If OpenSSL & PyCA are not available on the system when
+in pure Python. If OpenSSL and PyCA are not available on the system when
 Reticulum is started, Reticulum will instead use the internal pure-python
 primitives. A trivial consequence of this is performance, with the OpenSSL
 backend being *much* faster. The most important consequence however, is the
 potential loss of security by using primitives that has not seen the same
 amount of scrutiny, testing and review as those from OpenSSL.
 
+Please note that by default, installing Reticulum will **require** OpenSSL and
+PyCA to also be automatically installed if not already available. It is only
+possible to use the pure-python primitives if this requirement is specifically
+overridden by the user, for example by installing the `rnspure` package instead
+of the normal `rns` package, or by running directly from local source-code.
+
 If you want to use the internal pure-python primitives, it is **highly
 advisable** that you have a good understanding of the risks that this pose, and
 make an informed decision on whether those risks are acceptable to you.
@@ -372,11 +372,13 @@ projects:
 - [PyCA/cryptography](https://github.com/pyca/cryptography), *BSD License*
 - [Pure-25519](https://github.com/warner/python-pure25519) by [Brian Warner](https://github.com/warner), *MIT License*
 - [Pysha2](https://github.com/thomdixon/pysha2) by [Thom Dixon](https://github.com/thomdixon), *MIT License*
-- [Python-AES](https://github.com/orgurar/python-aes) by [Or Gur Arie](https://github.com/orgurar), *MIT License*
+- [Python AES-128](https://github.com/orgurar/python-aes) by [Or Gur Arie](https://github.com/orgurar), *MIT License*
+- [Python AES-256](https://github.com/boppreh/aes) by [BoppreH](https://github.com/boppreh), *MIT License*
 - [Curve25519.py](https://gist.github.com/nickovs/cc3c22d15f239a2640c185035c06f8a3#file-curve25519-py) by [Nicko van Someren](https://gist.github.com/nickovs), *Public Domain*
 - [I2Plib](https://github.com/l-n-s/i2plib) by [Viktor Villainov](https://github.com/l-n-s)
 - [PySerial](https://github.com/pyserial/pyserial) by Chris Liechti, *BSD License*
 - [Configobj](https://github.com/DiffSK/configobj) by Michael Foord, Nicola Larosa, Rob Dennis & Eli Courtwright, *BSD License*
 - [ifaddr](https://github.com/pydron/ifaddr) by Stefan C. Mueller, *MIT License*
 - [Umsgpack.py](https://github.com/vsergeev/u-msgpack-python) by [Ivan A. Sergeev](https://github.com/vsergeev)
+- [rnsh](https://github.com/acehoss/rnsh) by [Aaron Heise](https://github.com/acehoss)
 - [Python](https://www.python.org)

README.mu

@@ -0,0 +1,273 @@
+>> Reticulum Network Stack
+
+To understand the foundational philosophy and goals of this system, read the `_`!`[Zen of Reticulum`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=Zen+of+Reticulum.md]`!`_.
+
+Reticulum is the cryptography-based networking stack for building local and wide-area networks with readily available hardware. It can operate even with very high latency and extremely low bandwidth. Reticulum allows you to build wide-area networks with off-the-shelf tools, and offers end-to-end encryption and connectivity, initiator anonymity, autoconfiguring cryptographically backed multi-hop transport, efficient addressing, unforgeable delivery acknowledgements and more.
+
+The vision of Reticulum is to allow anyone to be their own network operator, and to make it cheap and easy to cover vast areas with a myriad of independent, inter-connectable and autonomous networks. Reticulum `!is not`! `*one`* network. It is `!a tool`! for building `*thousands of networks`*. Networks without kill-switches, surveillance, censorship and control. Networks that can freely interoperate, associate and disassociate with each other, and require no central oversight. Networks for human beings. `*Networks for the people`*.
+
+Reticulum is a complete networking stack, and does not rely on IP or higher layers, but it is possible to use IP as the underlying carrier for Reticulum. It is therefore trivial to tunnel Reticulum over the Internet or private IP networks.
+
+Having no dependencies on traditional networking stacks frees up overhead that has been used to implement a networking stack built directly on cryptographic principles, allowing resilience and stable functionality, even in open and trustless networks.
+
+No kernel modules or drivers are required. Reticulum runs completely in userland, and can run on practically any system that runs Python.
+
+>> Read The Manual
+
+The full documentation for Reticulum is available on `_`!`[this node`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/index.md]`!`_.
+
+You can also download the `_`!`[Reticulum manual as a PDF`:/file/download`g=reticulum|r=reticulum|ref=HEAD|path=docs%2FReticulum+Manual.pdf]`!`_ or `_`!`[as an e-book in EPUB format`:/file/download`g=reticulum|r=reticulum|ref=HEAD|path=docs%2FReticulum+Manual.pdf]`!`_.
+
+>> Notable Features
+
+• Coordination-less globally unique addressing and identification
+• Fully self-configuring multi-hop routing over heterogeneous carriers
+• Flexible scalability over heterogeneous topologies
+  • Reticulum can carry data over any mixture of physical mediums and topologies
+  • Low-bandwidth networks can co-exist and interoperate with large, high-bandwidth networks
+• Initiator anonymity, communicate without revealing your identity
+  • Reticulum does not include source addresses on any packets
+• Asymmetric X25519 encryption and Ed25519 signatures as a basis for all communication
+  • The foundational Reticulum Identity Keys are 512-bit Elliptic Curve keysets
+• Forward Secrecy is available for all communication types, both for single packets and over links
+• Reticulum uses the following format for encrypted tokens:
+  • Ephemeral per-packet and link keys and derived from an ECDH key exchange on Curve25519
+  • AES-256 in CBC mode with PKCS7 padding
+  • HMAC using SHA256 for authentication
+  • IVs are generated through os.urandom()
+• Unforgeable packet delivery confirmations
+• Flexible and extensible interface system
+  • Reticulum includes a large variety of built-in interface types
+  • Ability to load and utilise custom user- or community-supplied interface types
+  • Easily create your own custom interfaces for communicating over anything
+• Authentication and virtual network segmentation on all supported interface types
+• An intuitive and easy-to-use API
+  • Simpler and easier to use than sockets APIs, but more powerful
+  • Makes building distributed and decentralised applications much simpler
+• Reliable and efficient transfer of arbitrary amounts of data
+  • Reticulum can handle a few bytes of data or files of many gigabytes
+  • Sequencing, compression, transfer coordination and checksumming are automatic
+  • The API is very easy to use, and provides transfer progress
+• Lightweight, flexible and expandable Request/Response mechanism
+• Efficient link establishment
+  • Total cost of setting up an encrypted and verified link is only 3 packets, totalling 297 bytes
+  • Low cost of keeping links open at only 0.44 bits per second
+• Reliable sequential delivery with Channel and Buffer mechanisms
+
+>> Reference Implementation
+
+The Python code in this repository is the Reference Implementation of Reticulum. The Reticulum Protocol is defined entirely and authoritatively by this reference implementation, and its associated manual. It is maintained by Mark Qvist, identified by the Reticulum Identity `B333<bc7291552be7a58f361522990465165c>`b.
+
+Compatibility with the Reticulum Protocol is defined as having full interoperability, and sufficient functional parity with this reference implementation. Any specific protocol implementation that achieves this is Reticulum. Any that does not is not Reticulum.
+
+The reference implementation is licensed under the Reticulum License.
+
+The Reticulum Protocol was dedicated to the Public Domain in 2016.
+
+>> Examples of Reticulum Applications
+
+If you want to quickly get an idea of what Reticulum can do, take a look at the `_`!`[Programs Using Reticulum`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/software.md]`!`_ section of the manual, or the following resources:
+
+• `_`!`[LXMF`a8d24177d946de4f1f0a0fe1af9a1338:/page/repo.mu`g=reticulum|r=lxmf]`!`_ is a distributed, delay and disruption tolerant message transfer protocol built on Reticulum
+
+• The `_`!`[LXST`a8d24177d946de4f1f0a0fe1af9a1338:/page/repo.mu`g=reticulum|r=lxst]`!`_ protocol and framework provides real-time audio and signals transport over Reticulum. It
+  includes primitives and utilities for building voice-based applications and hardware devices,
+  such as the `B333rnphone`b program, that can be used to build hardware telephones.
+
+• For an off-grid, encrypted and resilient mesh communications platform, see `_`!`[Nomad Network`a8d24177d946de4f1f0a0fe1af9a1338:/page/repo.mu`g=reticulum|r=nomadnet]`!`_.
+
+• The Android, Linux, macOS and Windows app `_`!`[Sideband`a8d24177d946de4f1f0a0fe1af9a1338:/page/repo.mu`g=reticulum|r=sideband]`!`_ has a graphical interface and many advanced
+  features, such as file transfers, image and voice messages, real-time voice calls, a distributed
+  telemetry system, mapping capabilities and full plugin extensibility.
+
+• `_`!`[MeshChatX`c10d80b1a42fa958c37a6cc30dc04f53]`!`_ (`_`!`[source`5399f5a0212477618821e91e88ce053b:/page/repo.mu`g=quad4|r=MeshChatX]`_`!) is a full-featured LXMF client with many built-in tools and functionalities,
+  that also supports image and voice messages, file transfers and voice calls. It also includes a
+  built-in page browser for browsing Nomad Network nodes.
+
+• You can use the included `_`!`[rnsh`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/using.md|anchor=the-rnsh-utility]`!`_ program to establish remote shell sessions over Reticulum.
+
+>> Where can Reticulum be used?
+
+Over practically any medium that can support at least a half-duplex channel with greater throughput than 5 bits per second, and an MTU of 500 bytes. Data radios, modems, LoRa radios, serial lines, AX.25 TNCs, amateur radio digital modes, WiFi and Ethernet devices, free-space optical links, and similar systems are all examples of the types of physical devices Reticulum can use.
+
+An open-source LoRa-based interface called `_`!`[RNode`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/hardware.md|anchor=rnode]`!`_ has been designed specifically for use with Reticulum. It is possible to build yourself, or it can be purchased as a complete transceiver that just needs a USB connection to the host.
+
+Reticulum can also be encapsulated over existing IP networks, so there's nothing stopping you from using it over wired Ethernet, your local WiFi network or the Internet, where it'll work just as well. In fact, one of the strengths of Reticulum is how easily it allows you to connect different mediums into a self-configuring, resilient and encrypted mesh, using any available mixture of available infrastructure.
+
+As an example, it's possible to set up a Raspberry Pi connected to both a LoRa radio, a packet radio TNC and a WiFi network. Once the interfaces are configured, Reticulum will take care of the rest, and any device on the WiFi network can communicate with nodes on the LoRa and packet radio sides of the network, and vice versa.
+
+>> How do I get started?
+
+The best way to get started with the Reticulum Network Stack depends on what you want to do. For full details and examples, have a look at the `_`!`[Getting Started Fast`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/gettingstartedfast.md]`!`_ section of the `_`!`[Reticulum Manual`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/index.md]`!`_.
+
+To simply install Reticulum and related utilities on your system, the easiest way is via `B333pip`b. You can then start any program that uses Reticulum, or start Reticulum as a system service with `_`!`[the rnsd utility`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/using.md|anchor=the-rnsd-utility]`!`_.
+
+`B333
+`=
+pip install rns
+`=
+`b
+
+If you are using an operating system that blocks normal user package installation via `B333pip`b, you can return `B333pip`b to normal behaviour by editing the `B333~/.config/pip/pip.conf`b file, and adding the following directive in the `B333[global]`b section:
+
+`B333
+`=
+[global]
+break-system-packages = true
+`=
+`b
+
+Alternatively, you can use the `B333pipx`b tool to install Reticulum in an isolated environment:
+
+`B333
+`=
+pipx install rns
+`=
+`b
+
+When first started, Reticulum will create a default configuration file, providing basic connectivity to other Reticulum peers that might be locally reachable. The default config file contains a few examples, and references for creating a more complex configuration.
+
+If you have an old version of `B333pip`b on your system, you may need to upgrade it first with `B333pip install pip --upgrade`b. If you no not already have `B333pip`b installed, you can install it using the package manager of your system with `B333sudo apt install python3-pip`b or similar.
+
+For more detailed examples on how to expand communication over many mediums such as packet radio or LoRa, serial ports, or over fast IP links and the Internet using the UDP and TCP interfaces, take a look at the `_`!`[Supported Interfaces`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/interfaces.md]`!`_ section of the `_`!`[Reticulum Manual`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/index.md]`!`_.
+
+>> Included Utilities
+
+Reticulum includes a range of useful utilities for managing your networks, viewing status and information, and other tasks. You can read more about these programs in the `_`!`[Included Utility Programs`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/using.md|anchor=included-utility-programs]`!`_ section of the `_`!`[Reticulum Manual`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/index.md]`!`_.
+
+• The system daemon `B333rnsd`b for running Reticulum as an always-available service
+• An interface status utility called `B333rnstatus`b, that displays information about interfaces
+• The path lookup and management tool `B333rnpath`b letting you view and modify path tables
+• A diagnostics tool called `B333rnprobe`b for checking connectivity to destinations
+• A simple file transfer program called `B333rncp`b making it easy to transfer files between systems
+• The identity management and encryption utility `B333rnid`b let's you manage Identities and encrypt/decrypt files
+• The `B333rnsh`b program allows you to establish fully interactive shell session with remote systems
+• The remote command execution program `B333rnx`b let's you run simple commands and programs and retrieve output from remote systems
+• The `B333rngit`b program provides a full multi-repository Git node for serving repositories over Reticulum
+• The included `B333git-remote-rns`b helper allows you to interact with Git repositories over Reticulum
+
+>> Supported interface types and devices
+
+Reticulum implements a range of generalised interface types that covers most of the communications hardware that Reticulum can run over. If your hardware is not supported, it's `_`!`[simple to implement a custom interface module`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/interfaces.md|anchor=custom-interfaces]`!`_.
+
+Currently, the following built-in interfaces are supported:
+
+• Any Ethernet device
+• LoRa using `_`!`[RNode`a8d24177d946de4f1f0a0fe1af9a1338:/page/repo.mu`g=reticulum|r=rnode_firmware]`!`_
+• Packet Radio TNCs (with or without AX.25)
+• KISS-compatible hardware and software modems
+• Any device with a serial port
+• TCP over IP networks
+• UDP over IP networks
+• External programs via stdio or pipes
+• Custom hardware via stdio or pipes
+
+>> Performance
+
+Reticulum targets a `*very`* wide usable performance envelope, but prioritises functionality and performance on low-bandwidth mediums. The goal is to provide a dynamic performance envelope from 250 bits per second, to 1 gigabit per second on normal hardware.
+
+Currently, the usable performance envelope is approximately 150 bits per second to 500 megabits per second, with physical mediums faster than that not being saturated. Performance beyond the current level is intended for future upgrades, but not highly prioritised at this point in time.
+
+>> Current Status
+
+All core protocol features are implemented and functioning, but additions will probably occur as real-world use is explored and understood. The API and wire-format can be considered stable.
+
+>> Dependencies
+
+The installation of the default `B333rns`b package requires only two external dependencies, listed below. Almost all systems and distributions have readily available packages for these dependencies, and when the `B333rns`b package is installed with `B333pip`b, they will be downloaded and installed as well.
+
+• PyCA/cryptography
+• pyserial
+
+On more unusual systems, and in some rare cases, it might not be possible to install or even compile one or more of the above modules. In such situations, you can use the `B333rnspure`b package instead, which require no external dependencies for installation. Please note that the contents of the `B333rns`b and `B333rnspure`b packages are `*identical`*. The only difference is that the `B333rnspure`b package lists no dependencies required for installation.
+
+No matter how Reticulum is installed and started, it will load external dependencies only if they are `*needed`* and `*available`*. If for example you want to use Reticulum on a system that cannot support `B333pyserial`b, it is perfectly possible to do so using the `B333rnspure`b package, but Reticulum will not be able to use serial-based interfaces. All other available modules will still be loaded when needed.
+
+`!Please Note!`! If you use the `B333rnspure`b package to run Reticulum on systems that do not support PyCA/cryptography, it is important that you read and understand the `!Cryptographic Primitives`! section of this document.
+
+>> Bootstrapping Connectivity
+
+Reticulum is not a service you subscribe to, nor is it a single global network you "join". Reticulum provides functionality for discovering available public interfaces over the network itself, and the broader community has provided various directories of publicly available entrypoints to bootstrap connectivity.
+
+To learn how to establish initial connectivity over Reticulum, read the `_`!`[Bootstrapping Connectivity`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/gettingstartedfast.md|anchor=bootstrapping-connectivity]`!`_ section of the manual.
+
+If you already have a general idea of how this works, you can use community-run sites such as `_`!`[rns.recipes`9ce92808be498e9e05590ff27cbfdfe4]`!`_ and `_`!`[rmap.world`a4a5e861626ce97c9aa544d9ecdf6d22]`!`_ to find interface definitions for initial connectivity to the global distributed Reticulum backbone.
+
+>> Public Testnet
+
+`!`*Important!`! Historically, a developer-targeted testnet was made available by the Reticulum project itself. As the amount of global Reticulum nodes and entrypoints have grown to a substantial quantity, this public testnet, including the Amsterdam Testnet entrypoint, has now been decommissioned. If you still have instances that relied on this entrypoint for connectivity, transition to using the distributed backbone instead. Reticulum now includes a full on-network interface discovery and connectivity bootstrapping system. Read the `_`[Bootstrapping Connectivity`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/gettingstartedfast.md|anchor=bootstrapping-connectivity]`_ section of the manual for pointers.`*
+
+>> Support Reticulum
+
+For this to be possible, I need your help. Please support the continued development of open, free and private communications systems by donating via one of the following channels:
+
+• `!Monero`!
+  84FpY1QbxHcgdseePYNmhTHcrgMX4nFfBYtz2GKYToqHVVhJp8Eaw1Z1EedRnKD19b3B8NiLCGVxzKV17UMmmeEsCrPyA5w
+
+• `!Bitcoin`!
+  bc1pgqgu8h8xvj4jtafslq396v7ju7hkgymyrzyqft4llfslz5vp99psqfk3a6
+
+• `!Ethereum`!
+  0x91C421DdfB8a30a49A71d63447ddb54cEBe3465E
+
+• `!Liberapay`!
+  `[https://liberapay.com/Reticulum/]
+
+• `!Ko-Fi`!
+  `[https://ko-fi.com/markqvist]
+
+>> Cryptographic Primitives
+
+Reticulum uses a simple suite of efficient, strong and well-tested cryptographic primitives, with widely available implementations that can be used both on general-purpose CPUs and on microcontrollers.
+
+One of the primary considerations for choosing this particular set of primitives is that they can be implemented `*safely`* with relatively few pitfalls, on practically all current computing platforms.
+
+The primitives listed here `!are authoritative`!. Anything `*claiming`* to be Reticulum, but not using these exact primitives `FTA35050`!is not`!`f Reticulum, and possibly an intentionally compromised or weakened clone. The utilised primitives are:
+
+• Reticulum Identity Keys are 512-bit Curve25519 keysets
+  • A 256-bit Ed25519 key for signatures
+  • A 256-bit X22519 key for ECDH key exchanges
+• HKDF for key derivation
+• Encrypted tokens are based on the `_`!`[Fernet spec`https://github.com/fernet/spec/]`!`_
+  • Ephemeral keys derived from an ECDH key exchange on Curve25519
+  • HMAC using SHA256 for message authentication
+  • IVs must be generated through `B333os.urandom()`b or better
+  • AES-256 in CBC mode with PKCS7 padding
+  • No Fernet version and timestamp metadata fields
+• SHA-256
+• SHA-512
+
+In the default installation configuration, the `B333X25519`b, `B333Ed25519`b, and `B333AES-256-CBC`b primitives are provided by `_`!`[OpenSSL`https://www.openssl.org/]`!`_ (via the `_`!`[PyCA/cryptography`https://github.com/pyca/cryptography]`!`_ package). The hashing functions `B333SHA-256`b and `B333SHA-512`b are provided by the standard Python `_`!`[hashlib`https://docs.python.org/3/library/hashlib.html]`!`_. The `B333HKDF`b, `B333HMAC`b, `B333Token`b primitives, and the `B333PKCS7`b padding function are always provided by the following internal implementations:
+
+• `_`!`[HKDF.py`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=RNS/Cryptography/HKDF.py]`!`_
+• `_`!`[HMAC.py`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=RNS/Cryptography/HMAC.py]`!`_
+• `_`!`[Token.py`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=RNS/Cryptography/Token.py]`!`_
+• `_`!`[PKCS7.py`:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=RNS/Cryptography/PKCS7.py]`!`_
+
+Reticulum also includes a complete implementation of all necessary primitives in pure Python. If OpenSSL and PyCA are not available on the system when Reticulum is started, Reticulum will instead use the internal pure-python primitives. A trivial consequence of this is performance, with the OpenSSL backend being `*much`* faster. The most important consequence however, is the potential loss of security by using primitives that has not seen the same amount of scrutiny, testing and review as those from OpenSSL.
+
+Please note that by default, installing Reticulum will `!require`! OpenSSL and PyCA to also be automatically installed if not already available. It is only possible to use the pure-python primitives if this requirement is specifically overridden by the user, for example by installing the `B333rnspure`b package instead of the normal `B333rns`b package, or by running directly from local source-code.
+
+If you want to use the internal pure-python primitives, it is `!highly advisable`! that you have a good understanding of the risks that this pose, and make an informed decision on whether those risks are acceptable to you.
+
+Reticulum is relatively young software, and should be considered as such. While it has been built with cryptography best-practices very foremost in mind, it _has not_ been externally security audited, and there could very well be privacy or security breaking bugs. If you want to help out, or help sponsor an audit, please do get in touch.
+
+>> Acknowledgements & Credits
+
+Reticulum can only exist because of the mountain of Open Source work it was built on top of, the contributions of everyone involved, and everyone that has supported the project through the years. To everyone who has helped, thank you so much.
+
+A number of other modules and projects are either part of, or used by Reticulum. Sincere thanks to the authors and contributors of the following projects:
+
+• `_`!`[PyCA/cryptography`https://github.com/pyca/cryptography]`!`_, `*BSD License`*
+• `_`!`[Pure-25519`https://github.com/warner/python-pure25519]`!`_, by `_`!`[Brian Warner`https://github.com/warner]`!`_, `*MIT License`*
+• `_`!`[Pysha2`https://github.com/thomdixon/pysha2]`!`_ by `_`!`[Thom Dixon`https://github.com/thomdixon]`!`_, `*MIT License`*
+• `_`!`[Python AES-128`https://github.com/orgurar/python-aes]`!`_ by `_`!`[Or Gur Arie`https://github.com/orgurar]`!`_, `*MIT License`*
+• `_`!`[Python AES-256`https://github.com/boppreh/aes]`!`_ by `_`!`[BoppreH`https://github.com/boppreh]`!`_, `*MIT License`*
+• `_`!`[Curve25519.py`https://gist.github.com/nickovs/cc3c22d15f239a2640c185035c06f8a3]`!`_ by `_`!`[Nicko van Someren`https://gist.github.com/nickovs]`!`_, `*Public Domain`*
+• `_`!`[I2Plib`https://github.com/l-n-s/i2plib]`!`_ by `_`!`[Viktor Villainov`https://github.com/l-n-s]`!`_
+• `_`!`[PySerial`https://github.com/pyserial/pyserial]`!`_ by Chris Liechti, `*BSD License`*
+• `_`!`[Configobj`https://github.com/DiffSK/configobj]`!`_ by Michael Foord, Nicola Larosa, Rob Dennis & Eli Courtwright, `*BSD License`*
+• `_`!`[ifaddr`https://github.com/pydron/ifaddr]`!`_ by Stefan C. Mueller, `*MIT License`*
+• `_`!`[Umsgpack.py`https://github.com/vsergeev/u-msgpack-python]`!`_ by `_`!`[Ivan A. Sergeev`https://github.com/vsergeev]`!`_
+• `_`!`[rnsh`https://github.com/acehoss/rnsh]`!`_ by `_`!`[Aaron Heise`https://github.com/acehoss]`!`_
+• `_`!`[Python`https://www.python.org]`!`_

RNS/Buffer.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -84,7 +92,9 @@ class StreamDataMessage(MessageBase):
         self.data = raw[2:]
 
         if self.compressed:
-            self.data = bz2.decompress(self.data)
+            decompressor = bz2.BZ2Decompressor()
+            self.data = decompressor.decompress(self.data, max_length=RawChannelWriter.MAX_CHUNK_LEN)
+            if not decompressor.eof: raise IOError("Decompressed buffer chunk exceeds maximum legitimate size")
 
 
 class RawChannelReader(RawIOBase, AbstractContextManager):

RNS/Channel.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -136,7 +144,7 @@ class MessageBase(abc.ABC):
     MSGTYPE = None
     """
     Defines a unique identifier for a message class.
-    
+
     * Must be unique within all classes registered with a ``Channel``
     * Must be less than ``0xf000``. Values greater than or equal to ``0xf000`` are reserved.
     """
@@ -247,11 +255,11 @@ class Channel(contextlib.AbstractContextManager):
 
     # The maximum window size for transfers on fast links
     WINDOW_MAX_FAST      = 48
-    
+
     # For calculating maps and guard segments, this
     # must be set to the global maximum window.
     WINDOW_MAX           = WINDOW_MAX_FAST
-    
+
     # If the fast rate is sustained for this many request
     # rounds, the fast link window size will be allowed.
     FAST_RATE_THRESHOLD  = 10
@@ -277,6 +285,7 @@ class Channel(contextlib.AbstractContextManager):
         """
         self._outlet = outlet
         self._lock = threading.RLock()
+        self._send_lock = threading.Lock()
         self._tx_ring: collections.deque[Envelope] = collections.deque()
         self._rx_ring: collections.deque[Envelope] = collections.deque()
         self._message_callbacks: [MessageCallbackType] = []
@@ -374,27 +383,30 @@ class Channel(contextlib.AbstractContextManager):
                 if envelope.packet is not None:
                     self._outlet.set_packet_timeout_callback(envelope.packet, None)
                     self._outlet.set_packet_delivered_callback(envelope.packet, None)
+                envelope.tracked = False
+            for envelope in self._rx_ring:
+                envelope.tracked = False
             self._tx_ring.clear()
             self._rx_ring.clear()
 
     def _emplace_envelope(self, envelope: Envelope, ring: collections.deque[Envelope]) -> bool:
         with self._lock:
             i = 0
-            
+
             for existing in ring:
 
                 if envelope.sequence == existing.sequence:
                     RNS.log(f"Envelope: Emplacement of duplicate envelope with sequence "+str(envelope.sequence), RNS.LOG_EXTREME)
                     return False
-                
+
                 if envelope.sequence < existing.sequence and not (self._next_rx_sequence - envelope.sequence) > (Channel.SEQ_MAX//2):
                     ring.insert(i, envelope)
 
                     envelope.tracked = True
                     return True
-                
+
                 i += 1
-            
+
             envelope.tracked = True
             ring.append(envelope)
 
@@ -449,7 +461,7 @@ class Channel(contextlib.AbstractContextManager):
                             m = e.unpack(self._message_factories)
                         else:
                             m = e.message
-                            
+
                         self._rx_ring.remove(e)
                         self._run_callbacks(m)
 
@@ -468,7 +480,7 @@ class Channel(contextlib.AbstractContextManager):
         with self._lock:
             outstanding = 0
             for envelope in self._tx_ring:
-                if envelope.outlet == self._outlet: 
+                if envelope.outlet == self._outlet:
                     if not envelope.packet or not self._outlet.get_packet_state(envelope.packet) == MessageState.MSGSTATE_DELIVERED:
                         outstanding += 1
 
@@ -478,8 +490,10 @@ class Channel(contextlib.AbstractContextManager):
         return True
 
     def _packet_tx_op(self, packet: TPacket, op: Callable[[TPacket], bool]):
+        target_id = self._outlet.get_packet_id(packet)
         with self._lock:
-            envelope = next(filter(lambda e: self._outlet.get_packet_id(e.packet) == self._outlet.get_packet_id(packet),
+            envelope = next(filter(lambda e: e.packet is not None
+                                             and self._outlet.get_packet_id(e.packet) == target_id,
                                    self._tx_ring), None)
 
             if envelope and op(envelope):
@@ -508,7 +522,7 @@ class Channel(contextlib.AbstractContextManager):
                                     # TODO: Remove at some point
                                     # RNS.log("Increased "+str(self)+" max window to "+str(self.window_max), RNS.LOG_DEBUG)
                                     # RNS.log("Increased "+str(self)+" min window to "+str(self.window_min), RNS.LOG_DEBUG)
-                            
+
                         else:
                             self.fast_rate_rounds += 1
                             if self.window_max < Channel.WINDOW_MAX_FAST and self.fast_rate_rounds == Channel.FAST_RATE_THRESHOLD:
@@ -539,36 +553,48 @@ class Channel(contextlib.AbstractContextManager):
         return to
 
     def _packet_timeout(self, packet: TPacket):
-        def retry_envelope(envelope: Envelope) -> bool:
+        if self._outlet.get_packet_state(packet) == MessageState.MSGSTATE_DELIVERED:
+            return
+
+        target_id = self._outlet.get_packet_id(packet)
+        envelope_to_resend: Envelope | None = None
+        should_teardown = False
+        with self._lock:
+            envelope = next(filter(
+                lambda e: e.packet is not None and self._outlet.get_packet_id(e.packet) == target_id,
+                self._tx_ring), None)
+            if envelope is None:
+                return
+
             if envelope.tries >= self._max_tries:
-                RNS.log("Retry count exceeded on "+str(self)+", tearing down Link.", RNS.LOG_ERROR)
-                self._shutdown()  # start on separate thread?
-                self._outlet.timed_out()
-                return True
+                should_teardown = True
+            else:
+                envelope.tries += 1
+                envelope_to_resend = envelope
 
-            envelope.tries += 1
-            self._outlet.resend(envelope.packet)
-            self._outlet.set_packet_delivered_callback(envelope.packet, self._packet_delivered)
-            self._outlet.set_packet_timeout_callback(envelope.packet, self._packet_timeout, self._get_packet_timeout_time(envelope.tries))
-            self._update_packet_timeouts()
+                if self.window > self.window_min:
+                    self.window -= 1
+                    if self.window_max > (self.window_min+self.window_flexibility):
+                        self.window_max -= 1
 
-            if self.window > self.window_min:
-                self.window -= 1
-                # TODO: Remove at some point
-                # RNS.log("Decreased "+str(self)+" window to "+str(self.window), RNS.LOG_DEBUG)
+        if should_teardown:
+            RNS.log("Retry count exceeded on "+str(self)+", tearing down Link.", RNS.LOG_ERROR)
+            self._shutdown()
+            self._outlet.timed_out()
+            return
 
-                if self.window_max > (self.window_min+self.window_flexibility):
-                    self.window_max -= 1
-                    # TODO: Remove at some point
-                    # RNS.log("Decreased "+str(self)+" max window to "+str(self.window_max), RNS.LOG_DEBUG)
+        if envelope_to_resend is not None:
+            self._outlet.resend(envelope_to_resend.packet)
+            with self._lock:
+                self._outlet.set_packet_delivered_callback(envelope_to_resend.packet, self._packet_delivered)
+                self._outlet.set_packet_timeout_callback(
+                    envelope_to_resend.packet, self._packet_timeout,
+                    self._get_packet_timeout_time(envelope_to_resend.tries))
+                self._update_packet_timeouts()
+                already_delivered = (self._outlet.get_packet_state(envelope_to_resend.packet) == MessageState.MSGSTATE_DELIVERED)
 
-                # TODO: Remove at some point
-                # RNS.log("Decreased "+str(self)+" window to "+str(self.window), RNS.LOG_EXTREME)
-
-            return False
-
-        if self._outlet.get_packet_state(packet) != MessageState.MSGSTATE_DELIVERED:
-            self._packet_tx_op(packet, retry_envelope)
+            if already_delivered:
+                self._packet_delivered(envelope_to_resend.packet)
 
     def send(self, message: MessageBase) -> Envelope:
         """
@@ -577,27 +603,39 @@ class Channel(contextlib.AbstractContextManager):
 
         :param message: an instance of a ``MessageBase`` subclass
         """
-        envelope: Envelope | None = None
-        with self._lock:
-            if not self.is_ready_to_send():
-                raise ChannelException(CEType.ME_LINK_NOT_READY, f"Link is not ready")
-        
-            envelope = Envelope(self._outlet, message=message, sequence=self._next_sequence)
-            self._next_sequence = (self._next_sequence + 1) % Channel.SEQ_MODULUS
-            self._emplace_envelope(envelope, self._tx_ring)
+        with self._send_lock:
+            with self._lock:
+                if not self.is_ready_to_send():
+                    raise ChannelException(CEType.ME_LINK_NOT_READY, f"Link is not ready")
 
-        if envelope is None:
-            raise BlockingIOError()
+                reserved_sequence = self._next_sequence
+                envelope = Envelope(self._outlet, message=message, sequence=reserved_sequence)
+                envelope.pack()
+                if len(envelope.raw) > self._outlet.mdu:
+                    raise ChannelException(CEType.ME_TOO_BIG,
+                                           f"Packed message too big for packet: {len(envelope.raw)} > {self._outlet.mdu}")
+                self._next_sequence = (reserved_sequence + 1) % Channel.SEQ_MODULUS
 
-        envelope.pack()
-        if len(envelope.raw) > self._outlet.mdu:
-            raise ChannelException(CEType.ME_TOO_BIG, f"Packed message too big for packet: {len(envelope.raw)} > {self._outlet.mdu}")
-        
-        envelope.packet = self._outlet.send(envelope.raw)
-        envelope.tries += 1
-        self._outlet.set_packet_delivered_callback(envelope.packet, self._packet_delivered)
-        self._outlet.set_packet_timeout_callback(envelope.packet, self._packet_timeout, self._get_packet_timeout_time(envelope.tries))
-        self._update_packet_timeouts()
+            envelope.packet = self._outlet.send(envelope.raw)
+
+            if (envelope.packet is None
+                    or getattr(envelope.packet, "raw", None) is None
+                    or (hasattr(envelope.packet, "receipt") and envelope.packet.receipt is None)):
+                with self._lock:
+                    self._next_sequence = reserved_sequence
+                raise ChannelException(CEType.ME_LINK_NOT_READY, "Outlet did not transmit packet")
+
+            with self._lock:
+                self._emplace_envelope(envelope, self._tx_ring)
+                envelope.tries += 1
+                self._outlet.set_packet_delivered_callback(envelope.packet, self._packet_delivered)
+                self._outlet.set_packet_timeout_callback(envelope.packet, self._packet_timeout, self._get_packet_timeout_time(envelope.tries))
+                self._update_packet_timeouts()
+                already_delivered = (self._outlet.get_packet_state(envelope.packet) == MessageState.MSGSTATE_DELIVERED)
+
+        # prevent _tx_ring envelope leak
+        if already_delivered:
+            self._packet_delivered(envelope.packet)
 
         return envelope
 
@@ -691,7 +729,10 @@ class LinkChannelOutlet(ChannelOutletBase):
             packet.receipt.set_delivery_callback(inner if callback else None)
 
     def get_packet_id(self, packet: RNS.Packet) -> any:
-        if packet and hasattr(packet, "get_hash") and callable(packet.get_hash):
+        if (packet
+                and getattr(packet, "raw", None) is not None
+                and hasattr(packet, "get_hash")
+                and callable(packet.get_hash)):
             return packet.get_hash()
         else:
             return None

RNS/Cryptography/AES.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -24,23 +32,57 @@ import RNS.Cryptography.Provider as cp
 import RNS.vendor.platformutils as pu
 
 if cp.PROVIDER == cp.PROVIDER_INTERNAL:
-    from .aes import AES
+    from .aes import AES128
+    from .aes import AES256
     
 elif cp.PROVIDER == cp.PROVIDER_PYCA:
     from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
-
-    if pu.cryptography_old_api():
-        from cryptography.hazmat.backends import default_backend
+    if pu.cryptography_old_api(): from cryptography.hazmat.backends import default_backend
 
 
 class AES_128_CBC:
-
     @staticmethod
     def encrypt(plaintext, key, iv):
+        if len(key) != 16: raise ValueError(f"Invalid key length {len(key)*8} for {self}")
         if cp.PROVIDER == cp.PROVIDER_INTERNAL:
-            cipher = AES(key)
+            cipher = AES128(key)
             return cipher.encrypt(plaintext, iv)
 
+        elif cp.PROVIDER == cp.PROVIDER_PYCA:
+            if not pu.cryptography_old_api():
+                cipher = Cipher(algorithms.AES(key), modes.CBC(iv))
+            else:
+                cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=default_backend())
+
+            encryptor = cipher.encryptor()
+            ciphertext = encryptor.update(plaintext) + encryptor.finalize()
+            return ciphertext
+
+    @staticmethod
+    def decrypt(ciphertext, key, iv):
+        if len(key) != 16: raise ValueError(f"Invalid key length {len(key)*8} for {self}")
+        if cp.PROVIDER == cp.PROVIDER_INTERNAL:
+            cipher = AES128(key)
+            return cipher.decrypt(ciphertext, iv)
+
+        elif cp.PROVIDER == cp.PROVIDER_PYCA:
+            if not pu.cryptography_old_api():
+                cipher = Cipher(algorithms.AES(key), modes.CBC(iv))
+            else:
+                cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=default_backend())
+
+            decryptor = cipher.decryptor()
+            plaintext = decryptor.update(ciphertext) + decryptor.finalize()
+            return plaintext
+
+class AES_256_CBC:
+    @staticmethod
+    def encrypt(plaintext, key, iv):
+        if len(key) != 32: raise ValueError(f"Invalid key length {len(key)*8} for {self}")
+        if cp.PROVIDER == cp.PROVIDER_INTERNAL:
+            cipher = AES256(key)
+            return cipher.encrypt_cbc(plaintext, iv)
+
         elif cp.PROVIDER == cp.PROVIDER_PYCA:
             if not pu.cryptography_old_api():
                 cipher = Cipher(algorithms.AES(key), modes.CBC(iv))
@@ -53,9 +95,10 @@ class AES_128_CBC:
 
     @staticmethod
     def decrypt(ciphertext, key, iv):
+        if len(key) != 32: raise ValueError(f"Invalid key length {len(key)*8} for {self}")
         if cp.PROVIDER == cp.PROVIDER_INTERNAL:
-            cipher = AES(key)
-            return cipher.decrypt(ciphertext, iv)
+            cipher = AES256(key)
+            return cipher.decrypt_cbc(ciphertext, iv)
 
         elif cp.PROVIDER == cp.PROVIDER_PYCA:
             if not pu.cryptography_old_api():

RNS/Cryptography/Ed25519.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -27,7 +35,6 @@ class Ed25519PrivateKey:
     def __init__(self, seed):
         self.seed = seed
         self.sk = ed25519.SigningKey(self.seed)
-        #self.vk = self.sk.get_verifying_key()
 
     @classmethod
     def generate(cls):

RNS/Cryptography/HKDF.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Cryptography/Hashes.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -54,3 +62,9 @@ def sha512(data):
     digest.update(data)
 
     return digest.digest()
+
+def file_sha256(file):
+    if not hashlib: raise SystemError("The hashlib module is not available on this system")
+    # TODO: Could implement fallback for old snakes here
+    if not hasattr(hashlib, "file_digest"): raise SystemError("The file_digest method is not available on this system. This functionality requires Python 3.11 or later.")
+    else: return hashlib.file_digest(file, "sha256").digest()

RNS/Cryptography/PKCS7.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Cryptography/Provider.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Cryptography/Proxies.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Cryptography/Token.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -25,7 +33,9 @@ import time
 
 from RNS.Cryptography import HMAC
 from RNS.Cryptography import PKCS7
+from RNS.Cryptography import AES
 from RNS.Cryptography.AES import AES_128_CBC
+from RNS.Cryptography.AES import AES_256_CBC
 
 class Token():
     """
@@ -40,71 +50,65 @@ class Token():
     TOKEN_OVERHEAD  = 48 # Bytes
 
     @staticmethod
-    def generate_key():
-        return os.urandom(32)
+    def generate_key(mode=AES_256_CBC):
+        if   mode == AES_128_CBC: return os.urandom(32)
+        elif mode == AES_256_CBC: return os.urandom(64)
+        else: raise TypeError(f"Invalid token mode: {mode}")
 
-    def __init__(self, key = None):
-        if key == None:
-            raise ValueError("Token key cannot be None")
+    def __init__(self, key=None, mode=AES):
+        if key == None: raise ValueError("Token key cannot be None")
 
-        if len(key) != 32:
-            raise ValueError("Token key must be 32 bytes, not "+str(len(key)))
-            
-        self._signing_key = key[:16]
-        self._encryption_key = key[16:]
+        if mode == AES:
+            if len(key) == 32:
+                self.mode = AES_128_CBC
+                self._signing_key = key[:16]
+                self._encryption_key = key[16:]
+
+            elif len(key) == 64:
+                self.mode = AES_256_CBC
+                self._signing_key = key[:32]
+                self._encryption_key = key[32:]
+
+            else: raise ValueError("Token key must be 128 or 256 bits, not "+str(len(key)*8))
+
+        else: raise TypeError(f"Invalid token mode: {mode}")
 
 
     def verify_hmac(self, token):
-        if len(token) <= 32:
-            raise ValueError("Cannot verify HMAC on token of only "+str(len(token))+" bytes")
+        if len(token) <= 32: raise ValueError("Cannot verify HMAC on token of only "+str(len(token))+" bytes")
         else:
             received_hmac = token[-32:]
             expected_hmac = HMAC.new(self._signing_key, token[:-32]).digest()
 
-            if received_hmac == expected_hmac:
-                return True
-            else:
-                return False
+            if received_hmac == expected_hmac: return True
+            else: return False
 
 
     def encrypt(self, data = None):
+        if not isinstance(data, bytes): raise TypeError("Token plaintext input must be bytes")
         iv = os.urandom(16)
-        current_time = int(time.time())
 
-        if not isinstance(data, bytes):
-            raise TypeError("Token plaintext input must be bytes")
-
-        ciphertext = AES_128_CBC.encrypt(
+        ciphertext = self.mode.encrypt(
             plaintext = PKCS7.pad(data),
             key = self._encryption_key,
-            iv = iv,
-        )
+            iv = iv)
 
         signed_parts = iv+ciphertext
-
         return signed_parts + HMAC.new(self._signing_key, signed_parts).digest()
 
 
     def decrypt(self, token = None):
-        if not isinstance(token, bytes):
-            raise TypeError("Token must be bytes")
-
-        if not self.verify_hmac(token):
-            raise ValueError("Token HMAC was invalid")
+        if not isinstance(token, bytes): raise TypeError("Token must be bytes")
+        if not self.verify_hmac(token): raise ValueError("Token HMAC was invalid")
 
         iv = token[:16]
         ciphertext = token[16:-32]
 
         try:
-            plaintext = PKCS7.unpad(
-                AES_128_CBC.decrypt(
-                    ciphertext,
-                    self._encryption_key,
-                    iv,
-                )
-            )
+            return PKCS7.unpad(
+                self.mode.decrypt(
+                    ciphertext = ciphertext,
+                    key = self._encryption_key,
+                    iv = iv))
 
-            return plaintext
-
-        except Exception as e:
-            raise ValueError("Could not decrypt token")
+        except Exception as e: raise ValueError(f"Could not decrypt token: {e}")

RNS/Cryptography/__init__.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Cryptography/aes/__init__.py

@@ -1 +1,2 @@
-from .aes import AES
+from .aes128 import AES128
+from .aes256 import AES256

RNS/Cryptography/aes/aes.py

@@ -1,271 +0,0 @@
-# MIT License
-
-# Copyright (c) 2021 Or Gur Arie
-
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
-
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
-
-from .utils import *
-
-
-class AES:
-    # AES-128 block size
-    block_size = 16
-    # AES-128 encrypts messages with 10 rounds
-    _rounds = 10
-
-
-    # initiate the AES objecy
-    def __init__(self, key):
-        """
-        Initializes the object with a given key.
-        """
-        # make sure key length is right
-        assert len(key) == AES.block_size
-
-        # ExpandKey
-        self._round_keys = self._expand_key(key)
-
-
-    # will perform the AES ExpandKey phase
-    def _expand_key(self, master_key):
-        """
-        Expands and returns a list of key matrices for the given master_key.
-        """
-
-        # Initialize round keys with raw key material.
-        key_columns = bytes2matrix(master_key)
-        iteration_size = len(master_key) // 4
-
-        # Each iteration has exactly as many columns as the key material.
-        i = 1
-        while len(key_columns) < (self._rounds + 1) * 4:
-            # Copy previous word.
-            word = list(key_columns[-1])
-
-            # Perform schedule_core once every "row".
-            if len(key_columns) % iteration_size == 0:
-                # Circular shift.
-                word.append(word.pop(0))
-                # Map to S-BOX.
-                word = [s_box[b] for b in word]
-                # XOR with first byte of R-CON, since the others bytes of R-CON are 0.
-                word[0] ^= r_con[i]
-                i += 1
-            elif len(master_key) == 32 and len(key_columns) % iteration_size == 4:
-                # Run word through S-box in the fourth iteration when using a
-                # 256-bit key.
-                word = [s_box[b] for b in word]
-
-            # XOR with equivalent word from previous iteration.
-            word = bytes(i^j for i, j in zip(word, key_columns[-iteration_size]))
-            key_columns.append(word)
-
-        # Group key words in 4x4 byte matrices.
-        return [key_columns[4*i : 4*(i+1)] for i in range(len(key_columns) // 4)]
-
-
-    # encrypt a single block of data with AES
-    def _encrypt_block(self, plaintext):
-        """
-        Encrypts a single block of 16 byte long plaintext.
-        """
-        # length of a single block
-        assert len(plaintext) == AES.block_size
-
-        # perform on a matrix
-        state = bytes2matrix(plaintext)
-
-        # AddRoundKey
-        add_round_key(state, self._round_keys[0])
-
-        # 9 main rounds
-        for i in range(1, self._rounds):
-            # SubBytes
-            sub_bytes(state)
-            # ShiftRows
-            shift_rows(state)
-            # MixCols
-            mix_columns(state)
-            # AddRoundKey
-            add_round_key(state, self._round_keys[i])
-
-        # last round, w/t AddRoundKey step
-        sub_bytes(state)
-        shift_rows(state)
-        add_round_key(state, self._round_keys[-1])
-
-        # return the encrypted matrix as bytes
-        return matrix2bytes(state)
-
-
-    # decrypt a single block of data with AES
-    def _decrypt_block(self, ciphertext):
-        """
-        Decrypts a single block of 16 byte long ciphertext.
-        """
-        # length of a single block
-        assert len(ciphertext) == AES.block_size
-
-        # perform on a matrix
-        state = bytes2matrix(ciphertext)
-
-        # in reverse order, last round is first
-        add_round_key(state, self._round_keys[-1])
-        inv_shift_rows(state)
-        inv_sub_bytes(state)
-
-        for i in range(self._rounds - 1, 0, -1):
-            # nain rounds
-            add_round_key(state, self._round_keys[i])
-            inv_mix_columns(state)
-            inv_shift_rows(state)
-            inv_sub_bytes(state)
-
-        # initial AddRoundKey phase
-        add_round_key(state, self._round_keys[0])
-
-        # return bytes
-        return matrix2bytes(state)
-
-
-    # will encrypt the entire data 
-    def encrypt(self, plaintext, iv):
-        """
-        Encrypts `plaintext` using CBC mode and PKCS#7 padding, with the given
-        initialization vector (iv).
-        """
-        # iv length must be same as block size
-        assert len(iv) == AES.block_size
-
-        assert len(plaintext) % AES.block_size == 0
-
-        ciphertext_blocks = []
-
-        previous = iv
-        for plaintext_block in split_blocks(plaintext):
-            # in CBC mode every block is XOR'd with the previous block
-            xorred = xor_bytes(plaintext_block, previous)
-
-            # encrypt current block
-            block = self._encrypt_block(xorred)
-            previous = block
-
-            # append to ciphertext
-            ciphertext_blocks.append(block)
-
-        # return as bytes
-        return b''.join(ciphertext_blocks)
-
-
-    # will decrypt the entire data 
-    def decrypt(self, ciphertext, iv):
-        """
-        Decrypts `ciphertext` using CBC mode and PKCS#7 padding, with the given
-        initialization vector (iv).
-        """
-        # iv length must be same as block size
-        assert len(iv) == AES.block_size
-
-        plaintext_blocks = []
-
-        previous = iv
-        for ciphertext_block in split_blocks(ciphertext):
-            # in CBC mode every block is XOR'd with the previous block
-            xorred = xor_bytes(previous, self._decrypt_block(ciphertext_block))
-            
-            # append plaintext
-            plaintext_blocks.append(xorred)
-            previous = ciphertext_block
-
-        return b''.join(plaintext_blocks)
-
-
-def test():
-    # modules and classes requiered for test only
-    import os
-    class bcolors:
-        OK = '\033[92m' #GREEN
-        WARNING = '\033[93m' #YELLOW
-        FAIL = '\033[91m' #RED
-        RESET = '\033[0m' #RESET COLOR
-
-    # will test AES class by performing an encryption / decryption
-    print("AES Tests")
-    print("=========")
-
-    # generate a secret key and print details
-    key = os.urandom(AES.block_size)
-    _aes = AES(key)
-    print(f"Algorithm: AES-CBC-{AES.block_size*8}")
-    print(f"Secret Key: {key.hex()}")
-    print()
-
-    # test single block encryption / decryption
-    iv = os.urandom(AES.block_size)
-
-    single_block_text = b"SingleBlock Text"
-    print("Single Block Tests")
-    print("------------------")
-    print(f"iv: {iv.hex()}")
-    
-    print(f"plain text: '{single_block_text.decode()}'")
-    ciphertext_block = _aes._encrypt_block(single_block_text)
-    plaintext_block = _aes._decrypt_block(ciphertext_block)
-    print(f"Ciphertext Hex: {ciphertext_block.hex()}")
-    print(f"Plaintext: {plaintext_block.decode()}")
-    assert plaintext_block == single_block_text
-    print(bcolors.OK + "Single Block Test Passed Successfully" + bcolors.RESET)
-    print()
-
-    # test a less than a block length phrase
-    iv = os.urandom(AES.block_size)
-
-    short_text = b"Just Text"
-    print("Short Text Tests")
-    print("----------------")
-    print(f"iv: {iv.hex()}")
-    print(f"plain text: '{short_text.decode()}'")
-    ciphertext_short = _aes.encrypt(short_text, iv)
-    plaintext_short = _aes.decrypt(ciphertext_short, iv)
-    print(f"Ciphertext Hex: {ciphertext_short.hex()}")
-    print(f"Plaintext: {plaintext_short.decode()}")
-    assert short_text == plaintext_short
-    print(bcolors.OK + "Short Text Test Passed Successfully" + bcolors.RESET)
-    print()
-
-    # test an arbitrary length phrase
-    iv = os.urandom(AES.block_size)
-
-    text = b"This Text is longer than one block"
-    print("Arbitrary Length Tests")
-    print("----------------------")
-    print(f"iv: {iv.hex()}")
-    print(f"plain text: '{text.decode()}'")
-    ciphertext = _aes.encrypt(text, iv)
-    plaintext = _aes.decrypt(ciphertext, iv)
-    print(f"Ciphertext Hex: {ciphertext.hex()}")
-    print(f"Plaintext: {plaintext.decode()}")
-    assert text == plaintext
-    print(bcolors.OK + "Arbitrary Length Text Test Passed Successfully" + bcolors.RESET)
-    print()
-
-
-if __name__ == "__main__":
-    # test AES class
-    test()    

RNS/Cryptography/aes/aes128.py

@@ -0,0 +1,326 @@
+# MIT License
+
+# Copyright (c) 2021 Or Gur Arie
+
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+## AES lookup tables
+# resource: https://en.wikipedia.org/wiki/Rijndael_S-box
+s_box = (
+    0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
+    0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
+    0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
+    0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
+    0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
+    0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
+    0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
+    0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
+    0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
+    0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
+    0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
+    0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
+    0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
+    0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
+    0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
+    0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16,
+)
+
+inv_s_box = (
+    0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
+    0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
+    0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
+    0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
+    0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
+    0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
+    0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
+    0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
+    0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
+    0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
+    0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
+    0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
+    0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
+    0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
+    0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
+    0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D,
+)
+
+
+## AES AddRoundKey
+# Round constants https://en.wikipedia.org/wiki/AES_key_schedule#Round_constants
+r_con = (
+    0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40,
+    0x80, 0x1B, 0x36, 0x6C, 0xD8, 0xAB, 0x4D, 0x9A,
+    0x2F, 0x5E, 0xBC, 0x63, 0xC6, 0x97, 0x35, 0x6A,
+    0xD4, 0xB3, 0x7D, 0xFA, 0xEF, 0xC5, 0x91, 0x39,
+)
+
+def add_round_key(s, k):
+    for i in range(4):
+        for j in range(4):
+            s[i][j] ^= k[i][j]
+
+
+## AES SubBytes
+def sub_bytes(s):
+    for i in range(4):
+        for j in range(4):
+            s[i][j] = s_box[s[i][j]]
+
+
+def inv_sub_bytes(s):
+    for i in range(4):
+        for j in range(4):
+            s[i][j] = inv_s_box[s[i][j]]
+
+
+## AES ShiftRows
+def shift_rows(s):
+    s[0][1], s[1][1], s[2][1], s[3][1] = s[1][1], s[2][1], s[3][1], s[0][1]
+    s[0][2], s[1][2], s[2][2], s[3][2] = s[2][2], s[3][2], s[0][2], s[1][2]
+    s[0][3], s[1][3], s[2][3], s[3][3] = s[3][3], s[0][3], s[1][3], s[2][3]
+
+
+def inv_shift_rows(s):
+    s[0][1], s[1][1], s[2][1], s[3][1] = s[3][1], s[0][1], s[1][1], s[2][1]
+    s[0][2], s[1][2], s[2][2], s[3][2] = s[2][2], s[3][2], s[0][2], s[1][2]
+    s[0][3], s[1][3], s[2][3], s[3][3] = s[1][3], s[2][3], s[3][3], s[0][3]
+
+
+## AES MixColumns
+# learned from http://cs.ucsb.edu/~koc/cs178/projects/JT/aes.c
+xtime = lambda a: (((a << 1) ^ 0x1B) & 0xFF) if (a & 0x80) else (a << 1)
+
+
+def mix_single_column(a):
+    # see Sec 4.1.2 in The Design of Rijndael
+    t = a[0] ^ a[1] ^ a[2] ^ a[3]
+    u = a[0]
+    a[0] ^= t ^ xtime(a[0] ^ a[1])
+    a[1] ^= t ^ xtime(a[1] ^ a[2])
+    a[2] ^= t ^ xtime(a[2] ^ a[3])
+    a[3] ^= t ^ xtime(a[3] ^ u)
+
+
+def mix_columns(s):
+    for i in range(4):
+        mix_single_column(s[i])
+
+
+def inv_mix_columns(s):
+    # see Sec 4.1.3 in The Design of Rijndael
+    for i in range(4):
+        u = xtime(xtime(s[i][0] ^ s[i][2]))
+        v = xtime(xtime(s[i][1] ^ s[i][3]))
+        s[i][0] ^= u
+        s[i][1] ^= v
+        s[i][2] ^= u
+        s[i][3] ^= v
+
+    mix_columns(s)
+
+## AES Bytes
+def bytes2matrix(text):
+    """ Converts a 16-byte array into a 4x4 matrix.  """
+    return [list(text[i:i+4]) for i in range(0, len(text), 4)]
+
+def matrix2bytes(matrix):
+    """ Converts a 4x4 matrix into a 16-byte array.  """
+    return bytes(sum(matrix, []))
+
+
+def xor_bytes(a, b):
+    """ Returns a new byte array with the elements xor'ed. """
+    return bytes(i^j for i, j in zip(a, b))
+
+
+def split_blocks(message, block_size=16, require_padding=True):
+        assert len(message) % block_size == 0 or not require_padding
+        return [message[i:i+16] for i in range(0, len(message), block_size)]
+
+class AES128:
+    # AES-128 block size
+    block_size = 16
+    # AES-128 encrypts messages with 10 rounds
+    _rounds = 10
+
+
+    # initiate the AES objecy
+    def __init__(self, key):
+        """
+        Initializes the object with a given key.
+        """
+        # make sure key length is right
+        assert len(key) == AES128.block_size
+
+        # ExpandKey
+        self._round_keys = self._expand_key(key)
+
+
+    # will perform the AES ExpandKey phase
+    def _expand_key(self, master_key):
+        """
+        Expands and returns a list of key matrices for the given master_key.
+        """
+
+        # Initialize round keys with raw key material.
+        key_columns = bytes2matrix(master_key)
+        iteration_size = len(master_key) // 4
+
+        # Each iteration has exactly as many columns as the key material.
+        i = 1
+        while len(key_columns) < (self._rounds + 1) * 4:
+            # Copy previous word.
+            word = list(key_columns[-1])
+
+            # Perform schedule_core once every "row".
+            if len(key_columns) % iteration_size == 0:
+                # Circular shift.
+                word.append(word.pop(0))
+                # Map to S-BOX.
+                word = [s_box[b] for b in word]
+                # XOR with first byte of R-CON, since the others bytes of R-CON are 0.
+                word[0] ^= r_con[i]
+                i += 1
+            elif len(master_key) == 32 and len(key_columns) % iteration_size == 4:
+                # Run word through S-box in the fourth iteration when using a
+                # 256-bit key.
+                word = [s_box[b] for b in word]
+
+            # XOR with equivalent word from previous iteration.
+            word = bytes(i^j for i, j in zip(word, key_columns[-iteration_size]))
+            key_columns.append(word)
+
+        # Group key words in 4x4 byte matrices.
+        return [key_columns[4*i : 4*(i+1)] for i in range(len(key_columns) // 4)]
+
+
+    # encrypt a single block of data with AES
+    def _encrypt_block(self, plaintext):
+        """
+        Encrypts a single block of 16 byte long plaintext.
+        """
+        # length of a single block
+        assert len(plaintext) == AES128.block_size
+
+        # perform on a matrix
+        state = bytes2matrix(plaintext)
+
+        # AddRoundKey
+        add_round_key(state, self._round_keys[0])
+
+        # 9 main rounds
+        for i in range(1, self._rounds):
+            # SubBytes
+            sub_bytes(state)
+            # ShiftRows
+            shift_rows(state)
+            # MixCols
+            mix_columns(state)
+            # AddRoundKey
+            add_round_key(state, self._round_keys[i])
+
+        # last round, w/t AddRoundKey step
+        sub_bytes(state)
+        shift_rows(state)
+        add_round_key(state, self._round_keys[-1])
+
+        # return the encrypted matrix as bytes
+        return matrix2bytes(state)
+
+
+    # decrypt a single block of data with AES
+    def _decrypt_block(self, ciphertext):
+        """
+        Decrypts a single block of 16 byte long ciphertext.
+        """
+        # length of a single block
+        assert len(ciphertext) == AES128.block_size
+
+        # perform on a matrix
+        state = bytes2matrix(ciphertext)
+
+        # in reverse order, last round is first
+        add_round_key(state, self._round_keys[-1])
+        inv_shift_rows(state)
+        inv_sub_bytes(state)
+
+        for i in range(self._rounds - 1, 0, -1):
+            # nain rounds
+            add_round_key(state, self._round_keys[i])
+            inv_mix_columns(state)
+            inv_shift_rows(state)
+            inv_sub_bytes(state)
+
+        # initial AddRoundKey phase
+        add_round_key(state, self._round_keys[0])
+
+        # return bytes
+        return matrix2bytes(state)
+
+
+    # will encrypt the entire data 
+    def encrypt(self, plaintext, iv):
+        """
+        Encrypts `plaintext` using CBC mode and PKCS#7 padding, with the given
+        initialization vector (iv).
+        """
+        # iv length must be same as block size
+        assert len(iv) == AES128.block_size
+
+        assert len(plaintext) % AES128.block_size == 0
+
+        ciphertext_blocks = []
+
+        previous = iv
+        for plaintext_block in split_blocks(plaintext):
+            # in CBC mode every block is XOR'd with the previous block
+            xorred = xor_bytes(plaintext_block, previous)
+
+            # encrypt current block
+            block = self._encrypt_block(xorred)
+            previous = block
+
+            # append to ciphertext
+            ciphertext_blocks.append(block)
+
+        # return as bytes
+        return b''.join(ciphertext_blocks)
+
+
+    # will decrypt the entire data 
+    def decrypt(self, ciphertext, iv):
+        """
+        Decrypts `ciphertext` using CBC mode and PKCS#7 padding, with the given
+        initialization vector (iv).
+        """
+        # iv length must be same as block size
+        assert len(iv) == AES128.block_size
+
+        plaintext_blocks = []
+
+        previous = iv
+        for ciphertext_block in split_blocks(ciphertext):
+            # in CBC mode every block is XOR'd with the previous block
+            xorred = xor_bytes(previous, self._decrypt_block(ciphertext_block))
+            
+            # append plaintext
+            plaintext_blocks.append(xorred)
+            previous = ciphertext_block
+
+        return b''.join(plaintext_blocks)

RNS/Cryptography/aes/aes256.py

@@ -1,17 +1,17 @@
 # MIT License
-
-# Copyright (c) 2021 Or Gur Arie
-
+#
+# Copyright (c) 2024 BoppreH
+#
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
 # in the Software without restriction, including without limitation the rights
 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
-
+#
 # The above copyright notice and this permission notice shall be included in all
 # copies or substantial portions of the Software.
-
+#
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@@ -20,12 +20,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-'''
-Utils class for AES encryption / decryption
-'''
-
-## AES lookup tables
-# resource: https://en.wikipedia.org/wiki/Rijndael_S-box
 s_box = (
     0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
     0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
@@ -64,53 +58,33 @@ inv_s_box = (
     0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D,
 )
 
-
-## AES AddRoundKey
-# Round constants https://en.wikipedia.org/wiki/AES_key_schedule#Round_constants
-r_con = (
-    0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40,
-    0x80, 0x1B, 0x36, 0x6C, 0xD8, 0xAB, 0x4D, 0x9A,
-    0x2F, 0x5E, 0xBC, 0x63, 0xC6, 0x97, 0x35, 0x6A,
-    0xD4, 0xB3, 0x7D, 0xFA, 0xEF, 0xC5, 0x91, 0x39,
-)
-
-def add_round_key(s, k):
-    for i in range(4):
-        for j in range(4):
-            s[i][j] ^= k[i][j]
-
-
-## AES SubBytes
 def sub_bytes(s):
     for i in range(4):
         for j in range(4):
             s[i][j] = s_box[s[i][j]]
 
-
 def inv_sub_bytes(s):
     for i in range(4):
         for j in range(4):
             s[i][j] = inv_s_box[s[i][j]]
 
-
-## AES ShiftRows
 def shift_rows(s):
     s[0][1], s[1][1], s[2][1], s[3][1] = s[1][1], s[2][1], s[3][1], s[0][1]
     s[0][2], s[1][2], s[2][2], s[3][2] = s[2][2], s[3][2], s[0][2], s[1][2]
     s[0][3], s[1][3], s[2][3], s[3][3] = s[3][3], s[0][3], s[1][3], s[2][3]
 
-
 def inv_shift_rows(s):
     s[0][1], s[1][1], s[2][1], s[3][1] = s[3][1], s[0][1], s[1][1], s[2][1]
     s[0][2], s[1][2], s[2][2], s[3][2] = s[2][2], s[3][2], s[0][2], s[1][2]
     s[0][3], s[1][3], s[2][3], s[3][3] = s[1][3], s[2][3], s[3][3], s[0][3]
 
+def add_round_key(s, k):
+    for i in range(4):
+        for j in range(4):
+            s[i][j] ^= k[i][j]
 
-## AES MixColumns
-# learned from http://cs.ucsb.edu/~koc/cs178/projects/JT/aes.c
 xtime = lambda a: (((a << 1) ^ 0x1B) & 0xFF) if (a & 0x80) else (a << 1)
 
-
 def mix_single_column(a):
     # see Sec 4.1.2 in The Design of Rijndael
     t = a[0] ^ a[1] ^ a[2] ^ a[3]
@@ -120,12 +94,10 @@ def mix_single_column(a):
     a[2] ^= t ^ xtime(a[2] ^ a[3])
     a[3] ^= t ^ xtime(a[3] ^ u)
 
-
 def mix_columns(s):
     for i in range(4):
         mix_single_column(s[i])
 
-
 def inv_mix_columns(s):
     # see Sec 4.1.3 in The Design of Rijndael
     for i in range(4):
@@ -138,22 +110,127 @@ def inv_mix_columns(s):
 
     mix_columns(s)
 
-
-## AES Bytes
-def bytes2matrix(text):
-    """ Converts a 16-byte array into a 4x4 matrix.  """
-    return [list(text[i:i+4]) for i in range(0, len(text), 4)]
-
-def matrix2bytes(matrix):
-    """ Converts a 4x4 matrix into a 16-byte array.  """
-    return bytes(sum(matrix, []))
+r_con = (
+    0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40,
+    0x80, 0x1B, 0x36, 0x6C, 0xD8, 0xAB, 0x4D, 0x9A,
+    0x2F, 0x5E, 0xBC, 0x63, 0xC6, 0x97, 0x35, 0x6A,
+    0xD4, 0xB3, 0x7D, 0xFA, 0xEF, 0xC5, 0x91, 0x39,
+)
 
 
-def xor_bytes(a, b):
-    """ Returns a new byte array with the elements xor'ed. """
-    return bytes(i^j for i, j in zip(a, b))
+def bytes2matrix(text): return [list(text[i:i+4]) for i in range(0, len(text), 4)]
+def matrix2bytes(matrix): return bytes(sum(matrix, []))
+def xor_bytes(a, b): return bytes(i^j for i, j in zip(a, b))
 
+def inc_bytes(a):
+    out = list(a)
+    for i in reversed(range(len(out))):
+        if out[i] == 0xFF:
+            out[i] = 0
+        else:
+            out[i] += 1
+            break
+    return bytes(out)
 
 def split_blocks(message, block_size=16, require_padding=True):
-        assert len(message) % block_size == 0 or not require_padding
-        return [message[i:i+16] for i in range(0, len(message), block_size)]
+    assert len(message) % block_size == 0 or not require_padding
+    return [message[i:i+16] for i in range(0, len(message), block_size)]
+
+class AES256:
+    rounds_by_key_size = {32: 14}
+    def __init__(self, master_key):
+        assert len(master_key) in AES256.rounds_by_key_size
+        self.n_rounds = AES256.rounds_by_key_size[len(master_key)]
+        self._key_matrices = self._expand_key(master_key)
+
+    def _expand_key(self, master_key):
+        # Initialize round keys with raw key material.
+        key_columns = bytes2matrix(master_key)
+        iteration_size = len(master_key) // 4
+
+        i = 1
+        while len(key_columns) < (self.n_rounds + 1) * 4:
+            # Copy previous word.
+            word = list(key_columns[-1])
+
+            # Perform schedule_core once every "row".
+            if len(key_columns) % iteration_size == 0:
+                # Circular shift.
+                word.append(word.pop(0))
+                # Map to S-BOX.
+                word = [s_box[b] for b in word]
+                # XOR with first byte of R-CON, since the others bytes of R-CON are 0.
+                word[0] ^= r_con[i]
+                i += 1
+            elif len(master_key) == 32 and len(key_columns) % iteration_size == 4:
+                # Run word through S-box in the fourth iteration when using a
+                # 256-bit key.
+                word = [s_box[b] for b in word]
+
+            # XOR with equivalent word from previous iteration.
+            word = xor_bytes(word, key_columns[-iteration_size])
+            key_columns.append(word)
+
+        # Group key words in 4x4 byte matrices.
+        return [key_columns[4*i : 4*(i+1)] for i in range(len(key_columns) // 4)]
+
+    def encrypt_block(self, plaintext):
+        assert len(plaintext) == 16
+
+        plain_state = bytes2matrix(plaintext)
+
+        add_round_key(plain_state, self._key_matrices[0])
+
+        for i in range(1, self.n_rounds):
+            sub_bytes(plain_state)
+            shift_rows(plain_state)
+            mix_columns(plain_state)
+            add_round_key(plain_state, self._key_matrices[i])
+
+        sub_bytes(plain_state)
+        shift_rows(plain_state)
+        add_round_key(plain_state, self._key_matrices[-1])
+
+        return matrix2bytes(plain_state)
+
+    def decrypt_block(self, ciphertext):
+        assert len(ciphertext) == 16
+
+        cipher_state = bytes2matrix(ciphertext)
+
+        add_round_key(cipher_state, self._key_matrices[-1])
+        inv_shift_rows(cipher_state)
+        inv_sub_bytes(cipher_state)
+
+        for i in range(self.n_rounds - 1, 0, -1):
+            add_round_key(cipher_state, self._key_matrices[i])
+            inv_mix_columns(cipher_state)
+            inv_shift_rows(cipher_state)
+            inv_sub_bytes(cipher_state)
+
+        add_round_key(cipher_state, self._key_matrices[0])
+
+        return matrix2bytes(cipher_state)
+
+    def encrypt_cbc(self, plaintext, iv):
+        if len(iv) != 16: raise ValueError(f"Invalid IV length: {len(iv)}")
+        blocks = []
+        previous = iv
+        for plaintext_block in split_blocks(plaintext):
+            block = self.encrypt_block(xor_bytes(plaintext_block, previous))
+            blocks.append(block)
+            previous = block
+
+        return b''.join(blocks)
+
+    def decrypt_cbc(self, ciphertext, iv):
+        if len(iv) != 16: raise ValueError(f"Invalid IV length: {len(iv)}")
+        blocks = []
+        previous = iv
+        for ciphertext_block in split_blocks(ciphertext):
+            blocks.append(xor_bytes(previous, self.decrypt_block(ciphertext_block)))
+            previous = ciphertext_block
+
+        return b''.join(blocks)
+
+__all__ = ["AES256"]

RNS/Destination.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -202,12 +210,16 @@ class Destination:
     def _persist_ratchets(self):
         try:
             with self.ratchet_file_lock:
+                temp_write_path = self.ratchets_path+".tmp"
                 packed_ratchets = umsgpack.packb(self.ratchets)
                 persisted_data = {"signature": self.sign(packed_ratchets), "ratchets": packed_ratchets}
-                ratchets_file = open(self.ratchets_path, "wb")
+                ratchets_file = open(temp_write_path, "wb")
                 ratchets_file.write(umsgpack.packb(persisted_data))
                 ratchets_file.close()
+                if os.path.isfile(self.ratchets_path): os.unlink(self.ratchets_path)
+                os.rename(temp_write_path, self.ratchets_path)
         except Exception as e:
+            RNS.trace_exception(e)
             self.ratchets = None
             self.ratchets_path = None
             raise OSError("Could not write ratchet file contents for "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
@@ -283,33 +295,26 @@ class Destination:
                         app_data = returned_app_data
             
             signed_data = self.hash+self.identity.get_public_key()+self.name_hash+random_hash+ratchet
-            if app_data != None:
-                signed_data += app_data
+            if app_data != None: signed_data += app_data
 
             signature = self.identity.sign(signed_data)
             announce_data = self.identity.get_public_key()+self.name_hash+random_hash+ratchet+signature
 
-            if app_data != None:
-                announce_data += app_data
+            if app_data != None: announce_data += app_data
 
             self.path_responses[tag] = [time.time(), announce_data]
 
-        if path_response:
-            announce_context = RNS.Packet.PATH_RESPONSE
-        else:
-            announce_context = RNS.Packet.NONE
+        if path_response: announce_context = RNS.Packet.PATH_RESPONSE
+        else:             announce_context = RNS.Packet.NONE
 
-        if ratchet:
-            context_flag = RNS.Packet.FLAG_SET
-        else:
-            context_flag = RNS.Packet.FLAG_UNSET
+        if ratchet: context_flag = RNS.Packet.FLAG_SET
+        else:       context_flag = RNS.Packet.FLAG_UNSET
 
         announce_packet = RNS.Packet(self, announce_data, RNS.Packet.ANNOUNCE, context = announce_context,
                                      attached_interface = attached_interface, context_flag=context_flag)
-        if send:
-            announce_packet.send()
-        else:
-            return announce_packet
+        
+        if send: announce_packet.send()
+        else:    return announce_packet
 
     def accepts_links(self, accepts = None):
         """
@@ -318,13 +323,10 @@ class Destination:
         :param accepts: If ``True`` or ``False``, this method sets whether the destination accepts incoming link requests. If not provided or ``None``, the method returns whether the destination currently accepts link requests.
         :returns: ``True`` or ``False`` depending on whether the destination accepts incoming link requests, if the *accepts* parameter is not provided or ``None``.
         """
-        if accepts == None:
-            return self.accept_link_requests
+        if accepts == None: return self.accept_link_requests
 
-        if accepts:
-            self.accept_link_requests = True
-        else:
-            self.accept_link_requests = False
+        if accepts: self.accept_link_requests = True
+        else:       self.accept_link_requests = False
 
     def set_link_established_callback(self, callback):
         """
@@ -365,7 +367,7 @@ class Destination:
         else:
             self.proof_strategy = proof_strategy
 
-    def register_request_handler(self, path, response_generator = None, allow = ALLOW_NONE, allowed_list = None):
+    def register_request_handler(self, path, response_generator = None, allow = ALLOW_NONE, allowed_list = None, auto_compress = True):
         """
         Registers a request handler.
 
@@ -373,17 +375,15 @@ class Destination:
         :param response_generator: A function or method with the signature *response_generator(path, data, request_id, link_id, remote_identity, requested_at)* to be called. Whatever this funcion returns will be sent as a response to the requester. If the function returns ``None``, no response will be sent.
         :param allow: One of ``RNS.Destination.ALLOW_NONE``, ``RNS.Destination.ALLOW_ALL`` or ``RNS.Destination.ALLOW_LIST``. If ``RNS.Destination.ALLOW_LIST`` is set, the request handler will only respond to requests for identified peers in the supplied list.
         :param allowed_list: A list of *bytes-like* :ref:`RNS.Identity<api-identity>` hashes.
+        :param auto_compress: If ``True`` or ``False``, determines whether automatic compression of responses should be carried out. If set to an integer value, responses will only be auto-compressed if under this size in bytes. If omitted, the default compression settings will be followed.
         :raises: ``ValueError`` if any of the supplied arguments are invalid.
         """
-        if path == None or path == "":
-            raise ValueError("Invalid path specified")
-        elif not callable(response_generator):
-            raise ValueError("Invalid response generator specified")
-        elif not allow in Destination.request_policies:
-            raise ValueError("Invalid request policy")
+        if path == None or path == "": raise ValueError("Invalid path specified")
+        elif not callable(response_generator): raise ValueError("Invalid response generator specified")
+        elif not allow in Destination.request_policies: raise ValueError("Invalid request policy")
         else:
             path_hash = RNS.Identity.truncated_hash(path.encode("utf-8"))
-            request_handler = [path, response_generator, allow, allowed_list]
+            request_handler = [path, response_generator, allow, allowed_list, auto_compress]
             self.request_handlers[path_hash] = request_handler
 
     def deregister_request_handler(self, path):
@@ -407,14 +407,16 @@ class Destination:
         else:
             plaintext = self.decrypt(packet.data)
             packet.ratchet_id = self.latest_ratchet_id
-            if plaintext != None:
+            if plaintext == None: return False
+            else:
                 if packet.packet_type == RNS.Packet.DATA:
                     if self.callbacks.packet != None:
-                        try:
-                            self.callbacks.packet(plaintext, packet)
+                        try: self.callbacks.packet(plaintext, packet)
                         except Exception as e:
                             RNS.log("Error while executing receive callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
 
+                return True
+
     def incoming_link_request(self, data, packet):
         if self.accept_link_requests:
             link = RNS.Link.validate_request(self, data, packet)
@@ -449,7 +451,12 @@ class Destination:
                     self.ratchets = None
                     self.ratchets_path = None
                     RNS.trace_exception(e)
+                    RNS.log(f"The ratchet file located at {ratchets_path} could not be loaded. This could indicate that the ratchet file has become corrupt.", RNS.LOG_CRITICAL)
+                    RNS.log(f"You can attempt to manually recover the ratchet file, or simply remove it to have Reticulum recreate it on the next use.", RNS.LOG_CRITICAL)
+                    RNS.log(f"If re-initialize this ratchet file, make sure to send an announce for the relevant destination as soon as possible,", RNS.LOG_CRITICAL)
+                    RNS.log(f"so that the new ratchet information is synchronized to the network.", RNS.LOG_CRITICAL)
                     raise OSError("Could not read ratchet file contents for "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
+
         else:
             RNS.log("No existing ratchet data found, initialising new ratchet file for "+str(self), RNS.LOG_DEBUG)
             self.ratchets = []
@@ -475,7 +482,6 @@ class Destination:
             self.latest_ratchet_time = 0
             self._reload_ratchets(ratchets_path)
 
-            # TODO: Remove at some point
             RNS.log("Ratchets enabled on "+str(self), RNS.LOG_DEBUG)
             return True
 
@@ -629,7 +635,7 @@ class Destination:
                         RNS.log(f"Decryption still failing after ratchet reload. The contained exception was: {e}", RNS.LOG_ERROR)
                         raise e
 
-                    RNS.log("Decryption succeeded after ratchet reload", RNS.LOG_NOTICE)
+                    if decrypted: RNS.log("Decryption succeeded after ratchet reload", RNS.LOG_NOTICE)
 
                 return decrypted
 

RNS/Discovery.py

@@ -0,0 +1,790 @@
+import os
+import re
+import RNS
+import time
+import random
+import threading
+import ipaddress
+import subprocess
+from threading import Lock
+from .vendor import umsgpack as msgpack
+
+NAME            = 0xFF
+TRANSPORT_ID    = 0xFE
+INTERFACE_TYPE  = 0x00
+TRANSPORT       = 0x01
+REACHABLE_ON    = 0x02
+LATITUDE        = 0x03
+LONGITUDE       = 0x04
+HEIGHT          = 0x05
+PORT            = 0x06
+IFAC_NETNAME    = 0x07
+IFAC_NETKEY     = 0x08
+FREQUENCY       = 0x09
+BANDWIDTH       = 0x0A
+SPREADINGFACTOR = 0x0B
+CODINGRATE      = 0x0C
+MODULATION      = 0x0D
+CHANNEL         = 0x0E
+
+APP_NAME = "rnstransport"
+
+class InterfaceAnnouncer():
+    JOB_INTERVAL = 60
+    DEFAULT_STAMP_VALUE = 14
+    WORKBLOCK_EXPAND_ROUNDS = 20
+
+    DISCOVERABLE_INTERFACE_TYPES = ["BackboneInterface", "TCPServerInterface", "TCPClientInterface",
+                                    "RNodeInterface", "WeaveInterface", "I2PInterface", "KISSInterface"]
+
+    def __init__(self, owner):
+        import importlib.util
+        if importlib.util.find_spec('LXMF') != None: from LXMF import LXStamper
+        else:
+            RNS.log("Using on-network interface discovery requires the LXMF module to be installed.", RNS.LOG_CRITICAL)
+            RNS.log("You can install it with the command: pip install lxmf", RNS.LOG_CRITICAL)
+            RNS.panic()
+
+        self.owner        = owner
+        self.should_run   = False
+        self.job_interval = self.JOB_INTERVAL
+        self.stamper      = LXStamper
+        self.stamp_cache  = {}
+
+        if self.owner.has_network_identity(): identity = self.owner.network_identity
+        else:                                 identity = self.owner.identity
+
+        self.discovery_destination = RNS.Destination(identity, RNS.Destination.IN, RNS.Destination.SINGLE,
+                                                     APP_NAME, "discovery", "interface")
+
+    def start(self):
+        if not self.should_run:
+            self.should_run = True
+            threading.Thread(target=self.job, daemon=True).start()
+
+    def stop(self): self.should_run = False
+
+    def job(self):
+        while self.should_run:
+            time.sleep(self.job_interval)
+            try:
+                now = time.time()
+                due_interfaces = [i for i in self.owner.interfaces if i.supports_discovery and i.discoverable and now > (i.last_discovery_announce+i.discovery_announce_interval)]
+                due_interfaces.sort(key=lambda i: now-i.last_discovery_announce, reverse=True)
+
+                if len(due_interfaces) > 0:
+                    selected_interface = due_interfaces[0]
+                    selected_interface.last_discovery_announce = time.time()
+                    RNS.log(f"Preparing interface discovery announce for {selected_interface.name}", RNS.LOG_DEBUG)
+                    app_data = self.get_interface_announce_data(selected_interface)
+                    if not app_data: RNS.log(f"Could not generate interface discovery announce data for {selected_interface.name}", RNS.LOG_ERROR)
+                    else:
+                        RNS.log(f"Sending interface discovery announce for {selected_interface.name} with {len(app_data)}B payload", RNS.LOG_DEBUG)
+                        self.discovery_destination.announce(app_data=app_data)
+
+            except Exception as e:
+                RNS.log(f"Error while preparing interface discovery announces: {e}", RNS.LOG_ERROR)
+                RNS.trace_exception(e)
+
+    def sanitize(self, in_str):
+        if in_str == None: return None
+        sanitized = in_str.replace("\n", "")
+        sanitized = sanitized.replace("\r", "")
+        sanitized = sanitized.strip()
+        return sanitized
+
+    def get_interface_announce_data(self, interface):
+        interface_type = type(interface).__name__
+        stamp_value    = interface.discovery_stamp_value if interface.discovery_stamp_value else self.DEFAULT_STAMP_VALUE
+
+        if not interface_type in self.DISCOVERABLE_INTERFACE_TYPES: return None
+        else:
+            flags = 0x00
+            info  = {INTERFACE_TYPE: interface_type,
+                     TRANSPORT:      RNS.Reticulum.transport_enabled(),
+                     TRANSPORT_ID:   RNS.Transport.identity.hash,
+                     NAME:           self.sanitize(interface.discovery_name),
+                     LATITUDE:       interface.discovery_latitude,
+                     LONGITUDE:      interface.discovery_longitude,
+                     HEIGHT:         interface.discovery_height}
+
+            if interface_type == "TCPClientInterface" and not interface.kiss_framing:
+                RNS.log(f"Invalid interface discovery configuration for {interface}, aborting discovery announce", RNS.LOG_ERROR)
+                return None
+
+            if interface_type in ["BackboneInterface", "TCPServerInterface"]:
+                reachable_on = self.sanitize(interface.reachable_on)
+
+                if not RNS.vendor.platformutils.is_windows():
+                    try:
+                        exec_path = os.path.expanduser(reachable_on)
+                        if os.path.isfile(exec_path) and os.access(exec_path, os.X_OK):
+                            RNS.log(f"Evaluating reachable_on from executable at {exec_path}", RNS.LOG_DEBUG)
+                            exec_result = subprocess.run([exec_path], stdout=subprocess.PIPE)
+                            exec_stdout = exec_result.stdout.decode("utf-8")
+                            if exec_result.returncode != 0: raise ValueError("Non-zero exit code from subprocess")
+                            reachable_on = self.sanitize(exec_stdout)
+                            if not (is_ip_address(reachable_on) or is_hostname(reachable_on)):
+                                raise ValueError(f"Valid IP address or hostname was not found in external script output \"{reachable_on}\"")
+
+                    except Exception as e:
+                        RNS.log(f"Error while getting reachable_on from executable at {interface.reachable_on}: {e}", RNS.LOG_ERROR)
+                        RNS.log(f"Aborting discovery announce", RNS.LOG_ERROR)
+                        return None
+
+                if not (is_ip_address(reachable_on) or is_hostname(reachable_on)):
+                    RNS.log(f"The configured reachable_on parameter \"{reachable_on}\" for {interface} is not a valid IP address or hostname", RNS.LOG_ERROR)
+                    RNS.log(f"Aborting discovery announce", RNS.LOG_ERROR)
+                    return None
+
+                info[REACHABLE_ON]    = reachable_on
+                info[PORT]            = interface.bind_port
+
+            if interface_type == "I2PInterface" and interface.connectable and interface.b32:
+                info[REACHABLE_ON]    = interface.b32
+
+            if interface_type == "RNodeInterface":
+                info[FREQUENCY]       = interface.frequency
+                info[BANDWIDTH]       = interface.bandwidth
+                info[SPREADINGFACTOR] = interface.sf
+                info[CODINGRATE]      = interface.cr
+
+            if interface_type == "WeaveInterface":
+                info[FREQUENCY]       = interface.discovery_frequency
+                info[BANDWIDTH]       = interface.discovery_bandwidth
+                info[CHANNEL]         = interface.discovery_channel
+                info[MODULATION]      = interface.discovery_modulation
+
+            if interface_type == "KISSInterface" or (interface_type == "TCPClientInterface" and interface.kiss_framing):
+                info[INTERFACE_TYPE]  = "KISSInterface"
+                info[FREQUENCY]       = interface.discovery_frequency
+                info[BANDWIDTH]       = interface.discovery_bandwidth
+                info[MODULATION]      = self.sanitize(interface.discovery_modulation)
+
+            if interface.discovery_publish_ifac == True:
+                info[IFAC_NETNAME]    = self.sanitize(interface.ifac_netname)
+                info[IFAC_NETKEY]     = self.sanitize(interface.ifac_netkey)
+
+            packed    = msgpack.packb(info)
+            infohash  = RNS.Identity.full_hash(packed)
+
+            if infohash in self.stamp_cache: stamp = self.stamp_cache[infohash]
+            else: stamp, v = self.stamper.generate_stamp(infohash, stamp_cost=stamp_value, expand_rounds=self.WORKBLOCK_EXPAND_ROUNDS)
+            if not stamp: return None
+            else: self.stamp_cache[infohash] = stamp
+
+            if interface.discovery_encrypt:
+                flags |= InterfaceAnnounceHandler.FLAG_ENCRYPTED
+                if not self.owner.has_network_identity():
+                    RNS.log(f"Discovery encryption requested for {interface}, but no network identity configured. Aborting discovery announce.", RNS.LOG_ERROR)
+                    return None
+                
+                else: payload = self.owner.network_identity.encrypt(packed+stamp)
+                    
+            else: payload = packed+stamp
+
+            return bytes([flags])+payload
+
+class InterfaceAnnounceHandler:
+    FLAG_SIGNED       = 0b00000001
+    FLAG_ENCRYPTED    = 0b00000010
+
+    def __init__(self, required_value=InterfaceAnnouncer.DEFAULT_STAMP_VALUE, callback=None):
+        import importlib.util
+        if importlib.util.find_spec('LXMF') != None: from LXMF import LXStamper
+        else:
+            RNS.log("Using on-network interface discovery requires the LXMF module to be installed.", RNS.LOG_CRITICAL)
+            RNS.log("You can install it with the command: pip install lxmf", RNS.LOG_CRITICAL)
+            RNS.panic()
+
+        self.aspect_filter  = APP_NAME+".discovery.interface"
+        self.required_value = required_value
+        self.callback       = callback
+        self.stamper        = LXStamper
+
+    @staticmethod
+    def sanitize_name(name):
+        if not name: return None
+        name = name.encode("ascii", "ignore").decode("ascii").strip()
+        for i in [5,3,2]: name = name.replace(" "*i, " ")
+        while len(name) and name[0] not in san_map: name = name[1:]
+        while len(name) and name[-1] not in san_map+")": name = name[:-1]
+        return name
+
+    def received_announce(self, destination_hash, announced_identity, app_data):
+        try:
+            discovery_sources = RNS.Reticulum.interface_discovery_sources()
+            if discovery_sources and not announced_identity.hash in discovery_sources:
+                RNS.log(f"Interface discovered from non-authorized network identity {RNS.prettyhexrep(announced_identity.hash)}, ignoring", RNS.LOG_DEBUG)
+                return
+
+            if app_data and len(app_data) > self.stamper.STAMP_SIZE+1:
+                flags     = app_data[0]
+                app_data  = app_data[1:]
+                signed    = flags & self.FLAG_SIGNED
+                encrypted = flags & self.FLAG_ENCRYPTED
+
+                if encrypted:
+                    if not RNS.Transport.has_network_identity(): return
+                    app_data = RNS.Transport.network_identity.decrypt(app_data)
+                    if not app_data: return
+
+                stamp     = app_data[-self.stamper.STAMP_SIZE:]
+                packed    = app_data[:-self.stamper.STAMP_SIZE]
+                infohash  = RNS.Identity.full_hash(packed)
+                workblock = self.stamper.stamp_workblock(infohash, expand_rounds=InterfaceAnnouncer.WORKBLOCK_EXPAND_ROUNDS)
+                value     = self.stamper.stamp_value(workblock, stamp)
+                valid     = self.stamper.stamp_valid(stamp, self.required_value, workblock)
+
+                if not valid:
+                    RNS.log(f"Ignored discovered interface with invalid stamp", RNS.LOG_DEBUG)
+                    return
+
+                if value < self.required_value: RNS.log(f"Ignored discovered interface with stamp value {value}", RNS.LOG_DEBUG)
+                else:
+                    info     = None
+                    unpacked = msgpack.unpackb(packed)
+                    if INTERFACE_TYPE in unpacked:
+                        interface_type = unpacked[INTERFACE_TYPE]
+                        name           = self.sanitize_name(unpacked[NAME])
+
+                        if type(unpacked[TRANSPORT]) != bool: raise ValueError("Invalid data in transport field of announce")
+                        if type(unpacked[LATITUDE])  not in [type(None), float]: raise ValueError("Invalid data in latitude field of announce")
+                        if type(unpacked[LONGITUDE]) not in [type(None), float]: raise ValueError("Invalid data in longitude field of announce")
+                        if type(unpacked[HEIGHT])    not in [type(None), float]: raise ValueError("Invalid data in height field of announce")
+                        if len(unpacked[TRANSPORT_ID]) != RNS.Identity.TRUNCATED_HASHLENGTH//8: raise ValueError("Invalid data in transport_id field of announce")
+                        if not interface_type in InterfaceAnnouncer.DISCOVERABLE_INTERFACE_TYPES:
+                            raise ValueError("Invalid interface type in announce data")
+
+                        if REACHABLE_ON in unpacked:
+                            if not (is_ip_address(unpacked[REACHABLE_ON]) or is_hostname(unpacked[REACHABLE_ON])):
+                                raise ValueError("Invalid data in reachable_on field of announce")
+
+                        info = {"type":         interface_type,
+                                "transport":    unpacked[TRANSPORT],
+                                "name":         name or f"Discovered {interface_type}",
+                                "received":     time.time(),
+                                "stamp":        stamp,
+                                "value":        value,
+                                "transport_id": RNS.hexrep(unpacked[TRANSPORT_ID], delimit=False),
+                                "network_id":   RNS.hexrep(announced_identity.hash, delimit=False),
+                                "hops":         RNS.Transport.hops_to(destination_hash),
+                                "latitude":     unpacked[LATITUDE],
+                                "longitude":    unpacked[LONGITUDE],
+                                "height":       unpacked[HEIGHT]}
+
+                        if IFAC_NETNAME in unpacked: info["ifac_netname"] = str(unpacked[IFAC_NETNAME])
+                        if IFAC_NETKEY  in unpacked: info["ifac_netkey"]  = str(unpacked[IFAC_NETKEY])
+
+                        if interface_type in ["BackboneInterface", "TCPServerInterface"]:
+                            backbone_support     = not RNS.vendor.platformutils.is_windows()
+                            info["reachable_on"] = unpacked[REACHABLE_ON]
+                            info["port"]         = unpacked[PORT]
+                            connection_interface = "BackboneInterface" if backbone_support else "TCPClientInterface"
+                            remote_str           = "remote" if backbone_support else "target_host"
+                            cfg_name             = info["name"]
+                            cfg_remote           = info["reachable_on"]
+                            cfg_port             = info["port"]
+                            cfg_identity         = info["transport_id"]
+                            cfg_netname          = info["ifac_netname"] if "ifac_netname" in info else None
+                            cfg_netkey           = info["ifac_netkey"] if "ifac_netkey" in info else None
+                            cfg_netname_str      = f"\n  network_name = {cfg_netname}" if cfg_netname else ""
+                            cfg_netkey_str       = f"\n  passphrase = {cfg_netkey}" if cfg_netkey else ""
+                            cfg_identity_str     = f"\n  transport_identity = {cfg_identity}"
+                            info["config_entry"] = f"[[{cfg_name}]]\n  type = {connection_interface}\n  enabled = yes\n  {remote_str} = {cfg_remote}\n  target_port = {cfg_port}{cfg_identity_str}{cfg_netname_str}{cfg_netkey_str}"
+
+                        if interface_type == "I2PInterface":
+                            info["reachable_on"] = unpacked[REACHABLE_ON]
+                            cfg_name             = info["name"]
+                            cfg_remote           = info["reachable_on"]
+                            cfg_identity         = info["transport_id"]
+                            cfg_netname          = info["ifac_netname"] if "ifac_netname" in info else None
+                            cfg_netkey           = info["ifac_netkey"] if "ifac_netkey" in info else None
+                            cfg_netname_str      = f"\n  network_name = {cfg_netname}" if cfg_netname else ""
+                            cfg_netkey_str       = f"\n  passphrase = {cfg_netkey}" if cfg_netkey else ""
+                            cfg_identity_str     = f"\n  transport_identity = {cfg_identity}"
+                            info["config_entry"] = f"[[{cfg_name}]]\n  type = I2PInterface\n  enabled = yes\n  peers = {cfg_remote}{cfg_identity_str}{cfg_netname_str}{cfg_netkey_str}"
+
+                        if interface_type == "RNodeInterface":
+                            info["frequency"]    = unpacked[FREQUENCY]
+                            info["bandwidth"]    = unpacked[BANDWIDTH]
+                            info["sf"]           = unpacked[SPREADINGFACTOR]
+                            info["cr"]           = unpacked[CODINGRATE]
+                            cfg_name             = info["name"]
+                            cfg_frequency        = info["frequency"]
+                            cfg_bandwidth        = info["bandwidth"]
+                            cfg_sf               = info["sf"]
+                            cfg_cr               = info["cr"]
+                            cfg_identity         = info["transport_id"]
+                            cfg_netname          = info["ifac_netname"] if "ifac_netname" in info else None
+                            cfg_netkey           = info["ifac_netkey"] if "ifac_netkey" in info else None
+                            cfg_netname_str      = f"\n  network_name = {cfg_netname}" if cfg_netname else ""
+                            cfg_netkey_str       = f"\n  passphrase = {cfg_netkey}" if cfg_netkey else ""
+                            cfg_identity_str     = f"\n  transport_identity = {cfg_identity}"
+                            info["config_entry"] = f"[[{cfg_name}]]\n  type = RNodeInterface\n  enabled = yes\n  port = \n  frequency = {cfg_frequency}\n  bandwidth = {cfg_bandwidth}\n  spreadingfactor = {cfg_sf}\n  codingrate = {cfg_cr}\n  txpower = {cfg_netname_str}{cfg_netkey_str}"
+
+                        if interface_type == "WeaveInterface":
+                            info["frequency"]    = unpacked[FREQUENCY]
+                            info["bandwidth"]    = unpacked[BANDWIDTH]
+                            info["channel"]      = unpacked[CHANNEL]
+                            info["modulation"]   = unpacked[MODULATION]
+                            cfg_name             = info["name"]
+                            cfg_identity         = info["transport_id"]
+                            cfg_netname          = info["ifac_netname"] if "ifac_netname" in info else None
+                            cfg_netkey           = info["ifac_netkey"] if "ifac_netkey" in info else None
+                            cfg_netname_str      = f"\n  network_name = {cfg_netname}" if cfg_netname else ""
+                            cfg_netkey_str       = f"\n  passphrase = {cfg_netkey}" if cfg_netkey else ""
+                            cfg_identity_str     = f"\n  transport_identity = {cfg_identity}"
+                            info["config_entry"] = f"[[{cfg_name}]]\n  type = WeaveInterface\n  enabled = yes\n  port = {cfg_netname_str}{cfg_netkey_str}"
+
+                        if interface_type == "KISSInterface":
+                            info["frequency"]    = unpacked[FREQUENCY]
+                            info["bandwidth"]    = unpacked[BANDWIDTH]
+                            info["modulation"]   = unpacked[MODULATION]
+                            cfg_name             = info["name"]
+                            cfg_frequency        = info["frequency"]
+                            cfg_bandwidth        = info["bandwidth"]
+                            cfg_modulation       = info["modulation"]
+                            cfg_identity         = info["transport_id"]
+                            cfg_netname          = info["ifac_netname"] if "ifac_netname" in info else None
+                            cfg_netkey           = info["ifac_netkey"] if "ifac_netkey" in info else None
+                            cfg_netname_str      = f"\n  network_name = {cfg_netname}" if cfg_netname else ""
+                            cfg_netkey_str       = f"\n  passphrase = {cfg_netkey}" if cfg_netkey else ""
+                            cfg_identity_str     = f"\n  transport_identity = {cfg_identity}"
+                            info["config_entry"] = f"[[{cfg_name}]]\n  type = KISSInterface\n  enabled = yes\n  port = \n  # Frequency: {cfg_frequency}\n  # Bandwidth: {cfg_bandwidth}\n  # Modulation: {cfg_modulation}{cfg_identity_str}{cfg_netname_str}{cfg_netkey_str}"
+
+                        discovery_hash_material = info["transport_id"]+info["name"]
+                        info["discovery_hash"] = RNS.Identity.full_hash(discovery_hash_material.encode("utf-8"))
+
+                    if self.callback and callable(self.callback): self.callback(info)
+
+        except Exception as e:
+            RNS.log(f"An error occurred while trying to decode discovered interface. The contained exception was: {e}", RNS.LOG_DEBUG)
+
+class InterfaceDiscovery():
+    THRESHOLD_UNKNOWN  = 24*60*60
+    THRESHOLD_STALE    = 3*24*60*60
+    THRESHOLD_REMOVE   = 7*24*60*60
+
+    MONITOR_INTERVAL   = 5
+    DETACH_THRESHOLD   = 12
+
+    STATUS_STALE       = 0
+    STATUS_UNKNOWN     = 100
+    STATUS_AVAILABLE   = 1000
+    STATUS_CODE_MAP    = {"available": STATUS_AVAILABLE, "unknown": STATUS_UNKNOWN, "stale": STATUS_STALE}
+    AUTOCONNECT_TYPES  = ["BackboneInterface", "TCPServerInterface"]
+    DISCOVERABLE_TYPES = ["BackboneInterface", "TCPServerInterface", "I2PInterface", "RNodeInterface", "WeaveInterface", "KISSInterface"]
+
+    discovery_lock     = Lock()
+
+    def __init__(self, required_value=InterfaceAnnouncer.DEFAULT_STAMP_VALUE, callback=None, discover_interfaces=True):
+        if not required_value: required_value = InterfaceAnnouncer.DEFAULT_STAMP_VALUE
+
+        self.required_value          = required_value
+        self.discovery_callback      = callback
+        self.rns_instance            = RNS.Reticulum.get_instance()
+        self.monitored_interfaces    = []
+        self.monitoring_autoconnects = False
+        self.monitor_interval        = self.MONITOR_INTERVAL
+        self.detach_threshold        = self.DETACH_THRESHOLD
+        self.initial_autoconnect_ran = False
+
+        if not self.rns_instance: raise SystemError("Attempt to start interface discovery listener without an active RNS instance")
+        self.storagepath = os.path.join(RNS.Reticulum.storagepath, "discovery", "interfaces")
+        if not os.path.isdir(self.storagepath): os.makedirs(self.storagepath)
+        
+        if discover_interfaces:
+            self.handler = InterfaceAnnounceHandler(callback=self.interface_discovered, required_value=self.required_value)
+            RNS.Transport.register_announce_handler(self.handler)
+            threading.Thread(target=self.connect_discovered, daemon=True).start()
+
+    def list_discovered_interfaces(self, only_available=False, only_transport=False):
+        now = time.time()
+        discovered_interfaces = []
+        discovery_sources = RNS.Reticulum.interface_discovery_sources()
+        for filename in os.listdir(self.storagepath):
+            try:
+                with self.discovery_lock:
+                    filepath = os.path.join(self.storagepath, filename)
+                    with open(filepath, "rb") as f: info = msgpack.unpackb(f.read())
+
+                should_remove = False
+                heard_delta = now-info["last_heard"]
+                info["name"] = InterfaceAnnounceHandler.sanitize_name(info["name"])
+                
+                if heard_delta > self.THRESHOLD_REMOVE: should_remove = True
+                elif discovery_sources and not "network_id" in info: should_remove = True
+                elif discovery_sources and not bytes.fromhex(info["network_id"]) in discovery_sources: should_remove = True
+                elif not "type" in info or ("type" in info and not info["type"] in self.DISCOVERABLE_TYPES): should_remove = True
+                elif "reachable_on" in info:
+                    if not (is_ip_address(info["reachable_on"]) or is_hostname(info["reachable_on"])): should_remove = True
+
+                if should_remove:
+                    os.unlink(filepath)
+                    continue
+                
+                else:
+                    if   heard_delta > self.THRESHOLD_STALE:   info["status"] = "stale"
+                    elif heard_delta > self.THRESHOLD_UNKNOWN: info["status"] = "unknown"
+                    else:                                      info["status"] = "available"
+
+                    info["status_code"] = self.STATUS_CODE_MAP[info["status"]]
+                    if not only_available and not only_transport: discovered_interfaces.append(info)
+                    else:
+                        should_append = True
+                        status = info["status"]
+                        transport = info["transport"]
+                        if only_available and status != "available": should_append = False
+                        if only_transport and not transport:         should_append = False
+                        if should_append: discovered_interfaces.append(info)
+
+            except Exception as e:
+                RNS.log(f"Error while loading discovered interface data: {e}", RNS.LOG_WARNING)
+                RNS.log(f"The interface data file {os.path.join(self.storagepath, filename)} may be corrupt", RNS.LOG_WARNING)
+                RNS.trace_exception(e)
+
+        discovered_interfaces.sort(key=lambda info: (info["status_code"], info["value"], info["last_heard"]), reverse=True)
+        return discovered_interfaces
+
+    def interface_discovered(self, info):
+        try:
+            name = info["name"]
+            value = info["value"]
+            interface_type = info["type"]
+            discovery_hash = info["discovery_hash"]
+            discovered_type = info["type"]
+            if not discovered_type in self.DISCOVERABLE_TYPES: return
+            hops = info["hops"]; ms = "" if hops == 1 else "s"
+            filename = RNS.hexrep(discovery_hash, delimit=False)
+            filepath = os.path.join(self.storagepath, filename)
+            RNS.log(f"Discovered {interface_type} {hops} hop{ms} away with stamp value {value}: {name}", RNS.LOG_DEBUG)
+            with self.discovery_lock:
+                if not os.path.isfile(filepath):
+                    try:
+                        with open(filepath, "wb") as f:
+                            info["discovered"]  = info["received"]
+                            info["last_heard"]  = info["received"]
+                            info["heard_count"] = 0
+                            f.write(msgpack.packb(info))
+                    
+                    except Exception as e:
+                        RNS.log(f"Error while persisting discovered interface data: {e}", RNS.LOG_ERROR)
+                        RNS.trace_exception(e)
+                        return
+
+                else:
+                    discovered  = None
+                    heard_count = None
+                    try:
+                        try:
+                            with open(filepath, "rb") as f:
+                                last_info   = msgpack.unpackb(f.read())
+                                discovered  = last_info["discovered"]
+                                heard_count = last_info["heard_count"]
+
+                        except Exception as e: RNS.log(f"Error while reading existing data for discovered interface, re-creating data", RNS.LOG_ERROR)
+
+                        if discovered  == None: discovered  = info["received"]
+                        if heard_count == None: heard_count = 0
+
+                        with open(filepath, "wb") as f:
+                            info["discovered"] = discovered
+                            info["last_heard"] = info["received"]
+                            info["heard_count"] = heard_count+1
+                            f.write(msgpack.packb(info))
+
+                    except Exception as e:
+                        RNS.log(f"Error while persisting discovered interface data: {e}", RNS.LOG_ERROR)
+                        RNS.trace_exception(e)
+                        return
+
+        except Exception as e:
+            RNS.log(f"Error processing discovered interface data: {e}", RNS.LOG_ERROR)
+            RNS.trace_exception(e)
+            return
+
+        self.autoconnect(info)
+
+        try:
+            if self.discovery_callback and callable(self.discovery_callback): self.discovery_callback(info)
+        except Exception as e: RNS.log(f"Error while processing external interface discovery callback: {e}", RNS.LOG_ERROR)
+
+    def monitor_interface(self, interface):
+        if not interface in self.monitored_interfaces:
+            self.monitored_interfaces.append(interface)
+
+        if not self.monitoring_autoconnects:
+            self.monitoring_autoconnects = True
+            threading.Thread(target=self.__monitor_job, daemon=True).start()
+
+    def __monitor_job(self):
+        while self.monitoring_autoconnects and RNS.Transport._should_run:
+            time.sleep(self.monitor_interval)
+            detached_interfaces = []
+            online_interfaces = 0
+            autoconnected_interfaces = self.autoconnect_count()
+            for interface in self.monitored_interfaces:
+                try:
+                    if interface.online:
+                        online_interfaces += 1
+                        if hasattr(interface, "autoconnect_down") and interface.autoconnect_down != None:
+                            RNS.log(f"Auto-discovered interface {interface} reconnected")
+                            interface.autoconnect_down = None
+
+                    else:
+                        if not hasattr(interface, "autoconnect_down") or interface.autoconnect_down == None:
+                            RNS.log(f"Auto-discovered interface {interface} disconnected", RNS.LOG_DEBUG)
+                            interface.autoconnect_down = time.time()
+
+                        else:
+                            down_for = time.time()-interface.autoconnect_down
+                            if down_for >= self.detach_threshold:
+                                RNS.log(f"Auto-discovered interface {interface} has been down for {RNS.prettytime(down_for)}, detaching", RNS.LOG_DEBUG)
+                                detached_interfaces.append(interface)
+
+                except Exception as e:
+                    RNS.log(f"Error while checking auto-connected interface state for {interface}: {e}", RNS.LOG_ERROR)
+
+            max_autoconnected_interfaces = RNS.Reticulum.max_autoconnected_interfaces()
+            free_slots = max(0, max_autoconnected_interfaces - autoconnected_interfaces)
+            reserved_slots = max_autoconnected_interfaces//4
+
+            if online_interfaces >= max_autoconnected_interfaces:
+                for interface in RNS.Transport.interfaces:
+                    if hasattr(interface, "bootstrap_only") and interface.bootstrap_only == True:
+                        RNS.log(f"Tearing down bootstrap-only {interface} since target connected auto-discovered interface count has been reached", RNS.LOG_INFO)
+                        if not interface in detached_interfaces: detached_interfaces.append(interface)
+
+            if online_interfaces == 0:
+                if self.bootstrap_interface_count() == 0:
+                    RNS.log(f"No auto-discovered interfaces connected, re-enabling bootstrap interfaces", RNS.LOG_NOTICE)
+                    for config in RNS.Reticulum.get_instance().bootstrap_configs:
+                        RNS.Reticulum.get_instance()._synthesize_interface(config, config["name"])
+
+            if self.initial_autoconnect_ran and free_slots > reserved_slots:
+                candidate_interfaces = self.list_discovered_interfaces(only_available=True, only_transport=True)
+                if len(candidate_interfaces) > 0:
+                    random.shuffle(candidate_interfaces)
+                    selected_interface = candidate_interfaces[0]
+                    if not self.interface_exists(selected_interface): self.autoconnect(selected_interface)
+
+            for interface in detached_interfaces:
+                try: self.teardown_interface(interface)
+                except Exception as e:
+                    RNS.log(f"Error while de-registering auto-connected interface from transport: {e}", RNS.LOG_ERROR)
+
+    def teardown_interface(self, interface):
+        interface.detach()
+        RNS.Transport.remove_interface(interface)
+        if interface in self.monitored_interfaces: self.monitored_interfaces.remove(interface)
+
+    def autoconnect_count(self):
+        return len([i for i in RNS.Transport.interfaces if hasattr(i, "autoconnect_hash")])
+
+    def bootstrap_interface_count(self):
+        return len([i for i in RNS.Transport.interfaces if hasattr(i, "bootstrap_only") and i.bootstrap_only == True])
+        
+    def connect_discovered(self):
+        if RNS.Reticulum.should_autoconnect_discovered_interfaces():
+            try:
+                discovered_interfaces = self.list_discovered_interfaces(only_transport=True)
+                for info in discovered_interfaces:
+                    if self.autoconnect_count() >= RNS.Reticulum.max_autoconnected_interfaces(): break
+                    self.autoconnect(info)
+
+                self.initial_autoconnect_ran = True
+
+            except Exception as e:
+                RNS.log(f"Error while reconnecting discovered interfaces: {e}", RNS.LOG_ERROR)
+
+    def endpoint_hash(self, info):
+        endpoint_specifier = ""
+        if "reachable_on" in info: endpoint_specifier += str(info["reachable_on"])
+        if "port" in info:         endpoint_specifier += ":"+str(info["port"])
+        endpoint_hash = RNS.Identity.full_hash(endpoint_specifier.encode("utf-8"))
+        return endpoint_hash
+
+    def interface_exists(self, info):
+        exists = False
+        for interface in RNS.Transport.interfaces:
+            if hasattr(interface, "autoconnect_hash") and interface.autoconnect_hash == self.endpoint_hash(info):
+                exists = True
+                break
+            
+            else:
+                dest_match = "reachable_on" in info and hasattr(interface, "target_ip") and interface.target_ip == info["reachable_on"]
+                port_match = not "port" in info or (hasattr(interface, "target_port") and "port" in info and interface.target_port == info["port"])
+                b32d_match = "reachable_on" in info and hasattr(interface, "b32") and interface.b32 == info["reachable_on"]
+
+                if (dest_match and port_match) or b32d_match:
+                    exists = True
+                    break
+
+        return exists
+
+    def autoconnect(self, info):
+        try:
+            if RNS.Reticulum.should_autoconnect_discovered_interfaces():
+                autoconnected_count = self.autoconnect_count()
+                if autoconnected_count < RNS.Reticulum.max_autoconnected_interfaces():
+                    interface_type = info["type"]
+                    if interface_type in self.AUTOCONNECT_TYPES:
+                        endpoint_hash = self.endpoint_hash(info)
+                        exists = self.interface_exists(info)
+
+                        if exists: RNS.log(f"Discovered {interface_type} already exists, not auto-connecting", RNS.LOG_DEBUG)
+                        else:
+                            if interface_type == "TCPClientInterface":
+                                RNS.log(f"Your operating system does not support the Backbone interface type, and must degrade to using TCPClientInterface instead", RNS.LOG_WARNING)
+                                RNS.log(f"Auto-connecting discovered TCPClient interfaces is not yet implemented, aborting auto-connect", RNS.LOG_WARNING)
+                                RNS.log(f"You can obtain the configuration entry and add this interface manually instead using rnstatus -D", RNS.LOG_WARNING)
+                                return
+
+                            if interface_type == "I2PInterface":
+                                RNS.log(f"Auto-connecting discovered I2P interfaces is not yet implemented, aborting auto-connect", RNS.LOG_WARNING)
+                                RNS.log(f"You can obtain the configuration entry and add this interface manually instead using rnstatus -D", RNS.LOG_WARNING)
+                                return
+
+                            if is_ygg_ipv6(info["reachable_on"]):
+                                # TODO: Somehow detect if yggdrasil is enabled on the system
+                                return
+
+                            interface_name = info["name"]
+                            config_entry = info["config_entry"]
+                            interface_config = {}
+                            interface_config["name"] = f"{interface_name}"
+                            ifac_netname = info["ifac_netname"] if "ifac_netname" in info else None
+                            ifac_netkey  = info["ifac_netkey"]  if "ifac_netkey"  in info else None
+                            interface    = None
+
+                            if interface_type == "BackboneInterface":
+                                from RNS.Interfaces import BackboneInterface
+                                interface_config["target_host"] = info["reachable_on"]
+                                interface_config["target_port"] = info["port"]
+                                interface = BackboneInterface.BackboneClientInterface(RNS.Transport, interface_config)
+
+                            if interface:
+                                RNS.log(f"Auto-connecting discovered {interface_type} {interface_name}")
+                                interface.autoconnect_hash = endpoint_hash
+                                interface.autoconnect_source = info["network_id"]
+                                mode = RNS.Interfaces.Interface.Interface.MODE_GATEWAY if RNS.Reticulum.transport_enabled() else None
+                                ar_target  = RNS.Reticulum.get_instance()._default_ar_target() if RNS.Reticulum.transport_enabled() else None
+                                ar_penalty = RNS.Reticulum.get_instance()._default_ar_penalty() if RNS.Reticulum.transport_enabled() else None
+                                ar_grace   = RNS.Reticulum.get_instance()._default_ar_grace() if RNS.Reticulum.transport_enabled() else None
+                                RNS.Reticulum.get_instance()._add_interface(interface, mode=mode, ifac_netname=ifac_netname, ifac_netkey=ifac_netkey, configured_bitrate=5E6,
+                                                                            announce_rate_target=ar_target, announce_rate_grace=ar_grace, announce_rate_penalty=ar_penalty)
+                                self.monitor_interface(interface)
+
+        except Exception as e:
+            RNS.log(f"Error while auto-connecting discovered interface: {e}", RNS.LOG_ERROR)
+            RNS.trace_exception(e)
+
+class BlackholeUpdater():
+    INITIAL_WAIT    = 20
+    JOB_INTERVAL    = 60
+    UPDATE_INTERVAL = 1*60*60
+    SOURCE_TIMEOUT  = 25
+
+    def __init__(self):
+        self.last_updates = {}
+        self.should_run   = False
+        self.job_interval = self.JOB_INTERVAL
+        self.update_lock  = threading.Lock()
+
+    def start(self):
+        if not self.should_run:
+            source_count = len(RNS.Reticulum.blackhole_sources())
+            ms = "" if source_count == 1 else "s"
+            RNS.log(f"Starting blackhole updater with {source_count} source{ms}", RNS.LOG_DEBUG)
+            self.should_run = True
+            threading.Thread(target=self.job, daemon=True).start()
+
+    def stop(self): self.should_run = False
+
+    def update_link_established(self, link):
+        remote_identity = link.get_remote_identity()
+        RNS.log(f"Link established for blackhole list update from {RNS.prettyhexrep(remote_identity.hash)}", RNS.LOG_DEBUG)
+        receipt = link.request("/list")
+        while not receipt.concluded(): time.sleep(0.2)
+        response = receipt.get_response()
+        link.teardown()
+        
+        if type(response) == dict: blackhole_list = response
+        else:                      blackhole_list = None
+
+        if blackhole_list:
+            added = 0
+            for identity_hash in blackhole_list:
+                entry = blackhole_list[identity_hash]
+                if not identity_hash in RNS.Transport.blackholed_identities:
+                    RNS.Transport.blackholed_identities[identity_hash] = entry
+                    added += 1
+
+            if added > 0:
+                spec = "identity" if added == 1 else "identities"
+                RNS.log(f"Added {added} blackholed {spec} from {RNS.prettyhexrep(remote_identity.hash)}", RNS.LOG_DEBUG)
+
+                try:
+                    sourcelistpath = os.path.join(RNS.Reticulum.blackholepath, RNS.hexrep(remote_identity.hash, delimit=False))
+                    tmppath = f"{sourcelistpath}.tmp"
+                    with open(tmppath, "wb") as f: f.write(msgpack.packb(blackhole_list))
+                    if os.path.isfile(sourcelistpath): os.unlink(sourcelistpath)
+                    os.rename(tmppath, sourcelistpath)
+                
+                except Exception as e:
+                    RNS.log(f"Error while persisting blackhole list from {RNS.prettyhexrep(remote_identity.hash)}: {e}", RNS.LOG_ERROR)
+
+        RNS.log(f"Blackhole list update from {RNS.prettyhexrep(remote_identity.hash)} completed", RNS.LOG_DEBUG)
+
+    def job(self):
+        time.sleep(self.INITIAL_WAIT)
+        while self.should_run:
+            try:
+                now = time.time()
+                for identity_hash in RNS.Reticulum.blackhole_sources():
+                    if identity_hash in self.last_updates: last_update = self.last_updates[identity_hash]
+                    else:                                  last_update = 0
+
+                    if now > last_update+self.UPDATE_INTERVAL:
+                        try:
+                            destination_hash = RNS.Destination.hash_from_name_and_identity("rnstransport.info.blackhole", identity_hash)
+                            RNS.log(f"Attempting blackhole list update from {RNS.prettyhexrep(identity_hash)}...", RNS.LOG_DEBUG)
+                            if not RNS.Transport.await_path(destination_hash): RNS.log(f"No path available for blackhole list update from {RNS.prettyhexrep(identity_hash)}, retrying later", RNS.LOG_VERBOSE)
+                            else:
+                                remote_identity = RNS.Identity.recall(destination_hash)
+                                destination = RNS.Destination(remote_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, "rnstransport", "info", "blackhole")
+                                RNS.Link(destination, established_callback=self.update_link_established)
+                                self.last_updates[identity_hash] = time.time()
+
+                        except Exception as e:
+                            RNS.log(f"Error while establishing link for blackhole list update from {RNS.prettyhexrep(identity_hash)}: {e}", RNS.LOG_ERROR)
+
+            except Exception as e:
+                RNS.log(f"Error in blackhole list updater job: {e}", RNS.LOG_ERROR)
+                RNS.trace_exception(e)
+
+            time.sleep(self.job_interval)
+
+def is_ip_address(address_string):
+    try:
+        ipaddress.ip_address(address_string)
+        return True
+    except: return False
+
+def is_ygg_ipv6(address_string):
+    try: return ipaddress.ip_address(address_string) in ipaddress.IPv6Network("200::/7")
+    except: return False
+
+def is_hostname(hostname):
+    if hostname[-1] == ".": hostname = hostname[:-1]
+    if len(hostname) > 253: return False
+    components = hostname.split(".")
+    if re.match(r"[0-9]+$", components[-1]): return False
+    allowed = re.compile(r"(?!-)[a-z0-9-]{1,63}(?<!-)$", re.IGNORECASE)
+    return all(allowed.match(label) for label in components)
+
+san_map = ""
+for i in range(48, 58):  san_map += bytes([i]).decode("ascii")
+for i in range(65, 91):  san_map += bytes([i]).decode("ascii")
+for i in range(97, 123): san_map += bytes([i]).decode("ascii")

RNS/Identity.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -68,32 +76,44 @@ class Identity:
     # Non-configurable constants
     TOKEN_OVERHEAD            = RNS.Cryptography.Token.TOKEN_OVERHEAD
     AES128_BLOCKSIZE          = 16          # In bytes
+    AES256_BLOCKSIZE          = 16          # In bytes
     HASHLENGTH                = 256         # In bits
     SIGLENGTH                 = KEYSIZE     # In bits
 
-    NAME_HASH_LENGTH     = 80
-    TRUNCATED_HASHLENGTH = RNS.Reticulum.TRUNCATED_HASHLENGTH
+    NAME_HASH_LENGTH          = 80
+    TRUNCATED_HASHLENGTH      = RNS.Reticulum.TRUNCATED_HASHLENGTH
     """
     Constant specifying the truncated hash length (in bits) used by Reticulum
     for addressable hashes and other purposes. Non-configurable.
     """
 
+    DERIVED_KEY_LENGTH        = 512//8
+    DERIVED_KEY_LENGTH_LEGACY = 256//8
+
     # Storage
     known_destinations = {}
     known_ratchets = {}
 
     ratchet_persist_lock = threading.Lock()
+    known_destinations_lock = threading.Lock()
 
     @staticmethod
     def remember(packet_hash, destination_hash, public_key, app_data = None):
         if len(public_key) != Identity.KEYSIZE//8:
             raise TypeError("Can't remember "+RNS.prettyhexrep(destination_hash)+", the public key size of "+str(len(public_key))+" is not valid.", RNS.LOG_ERROR)
         else:
-            Identity.known_destinations[destination_hash] = [time.time(), packet_hash, public_key, app_data]
-
+            with Identity.known_destinations_lock:
+                if not destination_hash in Identity.known_destinations:
+                    Identity.known_destinations[destination_hash] = [time.time(), packet_hash, public_key, app_data, 0]
+                else:
+                    entry = Identity.known_destinations[destination_hash]
+                    entry[0] = time.time()
+                    entry[1] = packet_hash
+                    entry[2] = public_key
+                    entry[3] = app_data
 
     @staticmethod
-    def recall(target_hash, from_identity_hash=False):
+    def recall(target_hash, from_identity_hash=False, _no_use=False):
         """
         Recall identity for a destination or identity hash. By default, this function
         will return the identity associated with a given *destination* hash. As an
@@ -107,18 +127,22 @@ class Identity:
         :returns: An :ref:`RNS.Identity<api-identity>` instance that can be used to create an outgoing :ref:`RNS.Destination<api-destination>`, or *None* if the destination is unknown.
         """
         if from_identity_hash:
-            for destination_hash in Identity.known_destinations:
-                if target_hash == Identity.truncated_hash(Identity.known_destinations[destination_hash][2]):
-                    identity_data = Identity.known_destinations[destination_hash]
+            with Identity.known_destinations_lock: destination_hashes = list(Identity.known_destinations.keys())
+            for destination_hash in destination_hashes:
+                entry = Identity.known_destinations.get(destination_hash)
+                if not entry: continue
+                if target_hash == Identity.truncated_hash(entry[2]):
+                    if not _no_use: RNS.Reticulum.get_instance()._used_destination_data(destination_hash)
                     identity = Identity(create_keys=False)
-                    identity.load_public_key(identity_data[2])
-                    identity.app_data = identity_data[3]
+                    identity.load_public_key(entry[2])
+                    identity.app_data = entry[3]
                     return identity
 
             return None
 
         else:
             if target_hash in Identity.known_destinations:
+                if not _no_use: RNS.Reticulum.get_instance()._used_destination_data(target_hash)
                 identity_data = Identity.known_destinations[target_hash]
                 identity = Identity(create_keys=False)
                 identity.load_public_key(identity_data[2])
@@ -135,7 +159,7 @@ class Identity:
                 return None
 
     @staticmethod
-    def recall_app_data(destination_hash):
+    def recall_app_data(destination_hash, _no_use=False):
         """
         Recall last heard app_data for a destination hash.
 
@@ -143,13 +167,14 @@ class Identity:
         :returns: *Bytes* containing app_data, or *None* if the destination is unknown.
         """
         if destination_hash in Identity.known_destinations:
+            if not _no_use: RNS.Reticulum.get_instance()._used_destination_data(destination_hash)
             app_data = Identity.known_destinations[destination_hash][3]
             return app_data
-        else:
-            return None
+        
+        else: return None
 
     @staticmethod
-    def save_known_destinations():
+    def save_known_destinations(background=False, recombine=True):
         # TODO: Improve the storage method so we don't have to
         # deserialize and serialize the entire table on every
         # save, but the only changes. It might be possible to
@@ -170,34 +195,42 @@ class Identity:
             Identity.saving_known_destinations = True
             save_start = time.time()
 
-            storage_known_destinations = {}
-            if os.path.isfile(RNS.Reticulum.storagepath+"/known_destinations"):
+            if recombine:
+                storage_known_destinations = {}
+                if os.path.isfile(RNS.Reticulum.storagepath+"/known_destinations"):
+                    try:
+                        with open(RNS.Reticulum.storagepath+"/known_destinations","rb") as file:
+                            storage_known_destinations = umsgpack.load(file)
+     
+                    except: pass
+
                 try:
-                    with open(RNS.Reticulum.storagepath+"/known_destinations","rb") as file:
-                        storage_known_destinations = umsgpack.load(file)
- 
-                except:
-                    pass
+                    for destination_hash in storage_known_destinations:
+                        if not destination_hash in Identity.known_destinations:
+                            with Identity.known_destinations_lock:
+                                Identity.known_destinations[destination_hash] = storage_known_destinations[destination_hash]
+                
+                except Exception as e:
+                    RNS.log("Skipped recombining known destinations from disk, since an error occurred: "+str(e), RNS.LOG_WARNING)
+
+            RNS.log("Saving "+str(len(Identity.known_destinations))+" known destinations to storage...", RNS.LOG_VERBOSE)
+            temp_file = RNS.Reticulum.storagepath+f"/known_destinations.tmp.{time.time()}"
 
             try:
-                for destination_hash in storage_known_destinations:
-                    if not destination_hash in Identity.known_destinations:
-                        Identity.known_destinations[destination_hash] = storage_known_destinations[destination_hash]
-            except Exception as e:
-                RNS.log("Skipped recombining known destinations from disk, since an error occurred: "+str(e), RNS.LOG_WARNING)
+                with open(temp_file,"wb") as file: umsgpack.dump(Identity.known_destinations.copy(), file)
+                os.rename(temp_file, RNS.Reticulum.storagepath+f"/known_destinations")
 
-            RNS.log("Saving "+str(len(Identity.known_destinations))+" known destinations to storage...", RNS.LOG_DEBUG)
-            with open(RNS.Reticulum.storagepath+"/known_destinations","wb") as file:
-                umsgpack.dump(Identity.known_destinations, file)
-            
+            except Exception as e:
+                RNS.log(f"Error while serializing and writing known destinations: {e}", RNS.LOG_ERROR)
+                try: os.unlink(temp_file)
+                except Exception as e: RNS.log(f"Could not clean up temporary file {temp_file}: {e}", RNS.LOG_WARNING)
+                raise e
 
             save_time = time.time() - save_start
-            if save_time < 1:
-                time_str = str(round(save_time*1000,2))+"ms"
-            else:
-                time_str = str(round(save_time,2))+"s"
+            if save_time < 1: time_str = str(round(save_time*1000,2))+"ms"
+            else:             time_str = str(round(save_time,2))+"s"
 
-            RNS.log("Saved known destinations to storage in "+time_str, RNS.LOG_DEBUG)
+            RNS.log("Saved known destinations to storage in "+time_str, RNS.LOG_VERBOSE)
 
         except Exception as e:
             RNS.log("Error while saving known destinations to disk, the contained exception was: "+str(e), RNS.LOG_ERROR)
@@ -208,6 +241,7 @@ class Identity:
     @staticmethod
     def load_known_destinations():
         if os.path.isfile(RNS.Reticulum.storagepath+"/known_destinations"):
+            st = time.time()
             try:
                 with open(RNS.Reticulum.storagepath+"/known_destinations","rb") as file:
                     loaded_known_destinations = umsgpack.load(file)
@@ -215,15 +249,119 @@ class Identity:
                 Identity.known_destinations = {}
                 for known_destination in loaded_known_destinations:
                     if len(known_destination) == RNS.Reticulum.TRUNCATED_HASHLENGTH//8:
-                        Identity.known_destinations[known_destination] = loaded_known_destinations[known_destination]
+                        if len(loaded_known_destinations[known_destination]) < 5:
+                            e = loaded_known_destinations[known_destination]
+                            loaded_known_destinations[known_destination] = [e[0], e[1], e[2], e[3], 0]
 
-                RNS.log("Loaded "+str(len(Identity.known_destinations))+" known destination from storage", RNS.LOG_VERBOSE)
+                        with Identity.known_destinations_lock:
+                            Identity.known_destinations[known_destination] = loaded_known_destinations[known_destination]
+
+                RNS.log(f"Loaded {len(Identity.known_destinations)} known destination from storage in {RNS.prettyshorttime(time.time()-st)}", RNS.LOG_VERBOSE)
 
             except Exception as e:
                 RNS.log("Error loading known destinations from disk, file will be recreated on exit", RNS.LOG_ERROR)
+                RNS.trace_exception(e)
         else:
             RNS.log("Destinations file does not exist, no known destinations loaded", RNS.LOG_VERBOSE)
 
+    @staticmethod
+    def _used_destination_data(destination_hash):
+        with Identity.known_destinations_lock:
+            if destination_hash in Identity.known_destinations:
+                if not Identity.known_destinations[destination_hash][4] < 0:
+                    Identity.known_destinations[destination_hash][4] = time.time()
+                    return True
+
+        return False
+
+    @staticmethod
+    def _retain_destination_data(destination_hash):
+        with Identity.known_destinations_lock:
+            if destination_hash in Identity.known_destinations:
+                Identity.known_destinations[destination_hash][4] = -1
+                return True
+
+        return False
+
+    @staticmethod
+    def _unretain_destination_data(destination_hash):
+        with Identity.known_destinations_lock:
+            if destination_hash in Identity.known_destinations:
+                Identity.known_destinations[destination_hash][4] = time.time()
+                return True
+
+        return False
+
+    @staticmethod
+    def _retain_identity(identity_hash):
+        try:
+            retained = False
+            with Identity.known_destinations_lock: destination_hashes = list(Identity.known_destinations.keys())
+            for destination_hash in destination_hashes:
+                entry = Identity.known_destinations.get(destination_hash)
+                if not entry: continue
+                if identity_hash == Identity.truncated_hash(entry[2]):
+                    if Identity._retain_destination_data(destination_hash): retained = True
+
+            return retained
+
+        except Exception as e: RNS.log(f"Error while retaining identity {RNS.prettyhexrep(identity_hash)}: {e}", RNS.LOG_ERROR)
+    
+    @staticmethod
+    def clean_known_destinations():
+        now        = time.time()
+        st         = now
+        total      = len(Identity.known_destinations)
+        stale      = []
+        no_path    = 0
+        retained   = 0
+        never_used = 0
+
+        with Identity.known_destinations_lock: destination_hashes = list(Identity.known_destinations.keys())
+        for destination_hash in destination_hashes:
+            try:
+                if RNS.Transport.has_path(destination_hash): has_path = True
+                else:
+                    has_path = False
+                    no_path += 1
+
+                with Identity.known_destinations_lock:
+                    if destination_hash in Identity.known_destinations:
+                        last_announce =  Identity.known_destinations[destination_hash][0]
+                        last_use = 0
+                        was_used = False
+                        is_retained = False
+
+                        if Identity.known_destinations[destination_hash][4] > 0:
+                            was_used = True
+                            last_use = Identity.known_destinations[destination_hash][4]
+
+                        elif Identity.known_destinations[destination_hash][4] == 0:
+                            was_used = False
+                            never_used += 1
+
+                        elif Identity.known_destinations[destination_hash][4] == -1:
+                            is_retained = True
+                            retained += 1
+
+                        unused_for = time.time() - Identity.known_destinations[destination_hash][4]
+
+                        if not is_retained and not has_path:
+                            if not was_used and now - last_announce > RNS.Transport.UNUSED_DESTINATION_LINGER: stale.append(destination_hash)
+                            elif unused_for > RNS.Transport.DESTINATION_TIMEOUT*1.25:                          stale.append(destination_hash)
+
+            except Exception as e: RNS.log(f"Faulty entry for {RNS.prettyhexrep(destination_hash)} while cleaning known destinations: {e}", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
+
+        removed = 0
+        for destination_hash in stale:
+            with Identity.known_destinations_lock:
+                if destination_hash in Identity.known_destinations:
+                    Identity.known_destinations.pop(destination_hash)
+                    removed += 1
+
+        # RNS.log(f"Total destinations: {total}, stale: {len(stale)}, removed: {removed}, no path: {no_path}, never used: {never_used}, with path: {total-no_path}, used: {total-never_used}, retained: {retained}. Completed in {RNS.prettyshorttime(time.time()-st)}", RNS.LOG_WARNING) # TODO: Remove
+        if not RNS.Transport.owner.is_connected_to_shared_instance: Identity.save_known_destinations(recombine=False)
+
     @staticmethod
     def full_hash(data):
         """
@@ -291,7 +429,7 @@ class Identity:
                 ratchet_exists = False
 
             if not ratchet_exists:
-                RNS.log(f"Remembering ratchet {RNS.prettyhexrep(Identity._get_ratchet_id(ratchet))} for {RNS.prettyhexrep(destination_hash)}", RNS.LOG_EXTREME)
+                RNS.log(f"Remembering ratchet {RNS.prettyhexrep(Identity._get_ratchet_id(ratchet))} for {RNS.prettyhexrep(destination_hash)}", RNS.LOG_EXTREME) if RNS.sl(RNS.LOG_EXTREME) else None
                 Identity.known_ratchets[destination_hash] = ratchet
                 if not RNS.Transport.owner.is_connected_to_shared_instance:
                     def persist_job():
@@ -320,35 +458,42 @@ class Identity:
 
     @staticmethod
     def _clean_ratchets():
-        RNS.log("Cleaning ratchets...", RNS.LOG_DEBUG)
+        RNS.log("Cleaning ratchets...", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
         try:
+            count = 0
+            removed = 0
+            not_known = 0
             now = time.time()
             ratchetdir = RNS.Reticulum.storagepath+"/ratchets"
             if os.path.isdir(ratchetdir):
                 for filename in os.listdir(ratchetdir):
+                    count += 1
                     try:
                         expired = False
                         corrupted = False
                         with open(f"{ratchetdir}/{filename}", "rb") as rf:
-                            # TODO: Remove individual ratchet file if corrupt
                             try:
                                 ratchet_data = umsgpack.unpackb(rf.read())
-                                if now > ratchet_data["received"]+Identity.RATCHET_EXPIRY:
-                                    expired = True
+                                if now > ratchet_data["received"]+Identity.RATCHET_EXPIRY: expired = True
 
                             except Exception as e:
                                 RNS.log(f"Corrupted ratchet data while reading {ratchetdir}/{filename}, removing file", RNS.LOG_ERROR)
                                 corrupted = True
 
-                        if expired or corrupted:
+                        destination_hash = bytes.fromhex(filename)
+                        if not destination_hash in RNS.Identity.known_destinations: unknown = True; not_known += 1
+                        else:                                                       unknown = False
+
+                        if expired or corrupted or unknown:
                             os.unlink(f"{ratchetdir}/{filename}")
+                            removed += 1
 
                     except Exception as e:
                         RNS.log(f"An error occurred while cleaning ratchets, in the processing of {ratchetdir}/{filename}.", RNS.LOG_ERROR)
                         RNS.log(f"The contained exception was: {e}", RNS.LOG_ERROR)
 
-        except Exception as e:
-            RNS.log(f"An error occurred while cleaning ratchets. The contained exception was: {e}", RNS.LOG_ERROR)
+        except Exception as e: RNS.log(f"An error occurred while cleaning ratchets. The contained exception was: {e}", RNS.LOG_ERROR)
+        RNS.log(f"Processed {count} ratchets in {RNS.prettytime(time.time()-now)}, not in use {not_known}, removed {removed}", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
 
     @staticmethod
     def get_ratchet(destination_hash):
@@ -373,7 +518,7 @@ class Identity:
         if destination_hash in Identity.known_ratchets:
             return Identity.known_ratchets[destination_hash]
         else:
-            RNS.log(f"Could not load ratchet for {RNS.prettyhexrep(destination_hash)}", RNS.LOG_DEBUG)
+            RNS.log(f"Could not load ratchet for {RNS.prettyhexrep(destination_hash)}", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
             return None
 
     @staticmethod
@@ -419,6 +564,11 @@ class Identity:
                 announced_identity = Identity(create_keys=False)
                 announced_identity.load_public_key(public_key)
 
+                if len(RNS.Transport.blackholed_identities) > 0:
+                    if announced_identity.hash in RNS.Transport.blackholed_identities:
+                        RNS.log(f"Invalidated and dropped announce from blackholed identity {RNS.prettyhexrep(announced_identity.hash)}", RNS.LOG_EXTREME) if RNS.sl(RNS.LOG_EXTREME) else None
+                        return False
+
                 if announced_identity.pub != None and announced_identity.validate(signature, signed_data):
                     if only_validate_signature:
                         del announced_identity
@@ -454,9 +604,9 @@ class Identity:
                             signal_str = ""
 
                         if hasattr(packet, "transport_id") and packet.transport_id != None:
-                            RNS.log("Valid announce for "+RNS.prettyhexrep(destination_hash)+" "+str(packet.hops)+" hops away, received via "+RNS.prettyhexrep(packet.transport_id)+" on "+str(packet.receiving_interface)+signal_str, RNS.LOG_EXTREME)
+                            RNS.log("Valid announce for "+RNS.prettyhexrep(destination_hash)+" "+str(packet.hops)+" hops away, received via "+RNS.prettyhexrep(packet.transport_id)+" on "+str(packet.receiving_interface)+signal_str, RNS.LOG_EXTREME) if RNS.sl(RNS.LOG_EXTREME) else None
                         else:
-                            RNS.log("Valid announce for "+RNS.prettyhexrep(destination_hash)+" "+str(packet.hops)+" hops away, received on "+str(packet.receiving_interface)+signal_str, RNS.LOG_EXTREME)
+                            RNS.log("Valid announce for "+RNS.prettyhexrep(destination_hash)+" "+str(packet.hops)+" hops away, received on "+str(packet.receiving_interface)+signal_str, RNS.LOG_EXTREME) if RNS.sl(RNS.LOG_EXTREME) else None
 
                         if ratchet:
                             Identity._remember_ratchet(destination_hash, ratchet)
@@ -464,11 +614,11 @@ class Identity:
                         return True
 
                     else:
-                        RNS.log("Received invalid announce for "+RNS.prettyhexrep(destination_hash)+": Destination mismatch.", RNS.LOG_DEBUG)
+                        RNS.log("Received invalid announce for "+RNS.prettyhexrep(destination_hash)+": Destination mismatch.", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                         return False
 
                 else:
-                    RNS.log("Received invalid announce for "+RNS.prettyhexrep(destination_hash)+": Invalid signature.", RNS.LOG_DEBUG)
+                    RNS.log("Received invalid announce for "+RNS.prettyhexrep(destination_hash)+": Invalid signature.", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                     del announced_identity
                     return False
         
@@ -477,9 +627,9 @@ class Identity:
             return False
 
     @staticmethod
-    def persist_data():
+    def persist_data(background=False):
         if not RNS.Transport.owner.is_connected_to_shared_instance:
-            Identity.save_known_destinations()
+            Identity.save_known_destinations(background=background)
 
     @staticmethod
     def exit_handler():
@@ -535,6 +685,22 @@ class Identity:
             RNS.log("Error while saving identity to "+str(path), RNS.LOG_ERROR)
             RNS.log("The contained exception was: "+str(e))
 
+    def pub_to_file(self, path):
+        """
+        Saves the public identity to a file.
+
+        :param path: The full path specifying where to save the identity.
+        :returns: True if the file was saved, otherwise False.
+        """
+        try:
+            with open(path, "wb") as key_file:
+                key_file.write(self.get_public_key())
+                return True
+            return False
+        except Exception as e:
+            RNS.log("Error while saving identity to "+str(path), RNS.LOG_ERROR)
+            RNS.log("The contained exception was: "+str(e))
+
     def __init__(self,create_keys=True):
         # Initialize keys to none
         self.prv           = None
@@ -574,13 +740,15 @@ class Identity:
         """
         :returns: The private key as *bytes*
         """
-        return self.prv_bytes+self.sig_prv_bytes
+        if self.prv_bytes and self.sig_prv_bytes: return self.prv_bytes+self.sig_prv_bytes
+        else:                                     return None
 
     def get_public_key(self):
         """
         :returns: The public key as *bytes*
         """
-        return self.pub_bytes+self.sig_pub_bytes
+        if self.pub_bytes and self.sig_pub_bytes: return self.pub_bytes+self.sig_pub_bytes
+        else:                                     return None
 
     def load_private_key(self, prv_bytes):
         """
@@ -669,7 +837,7 @@ class Identity:
             shared_key = ephemeral_key.exchange(target_public_key)
             
             derived_key = RNS.Cryptography.hkdf(
-                length=32,
+                length=Identity.DERIVED_KEY_LENGTH,
                 derive_from=shared_key,
                 salt=self.get_salt(),
                 context=self.get_context(),
@@ -683,6 +851,16 @@ class Identity:
         else:
             raise KeyError("Encryption failed because identity does not hold a public key")
 
+    def __decrypt(self, shared_key, ciphertext):
+        derived_key = RNS.Cryptography.hkdf(
+            length=Identity.DERIVED_KEY_LENGTH,
+            derive_from=shared_key,
+            salt=self.get_salt(),
+            context=self.get_context())
+
+        token = Token(derived_key)
+        plaintext = token.decrypt(ciphertext)
+        return plaintext
 
     def decrypt(self, ciphertext_token, ratchets=None, enforce_ratchets=False, ratchet_id_receiver=None):
         """
@@ -692,6 +870,7 @@ class Identity:
         :returns: Plaintext as *bytes*, or *None* if decryption fails.
         :raises: *KeyError* if the instance does not hold a private key.
         """
+
         if self.prv != None:
             if len(ciphertext_token) > Identity.KEYSIZE//8//2:
                 plaintext = None
@@ -706,15 +885,7 @@ class Identity:
                                 ratchet_prv = X25519PrivateKey.from_private_bytes(ratchet)
                                 ratchet_id = Identity._get_ratchet_id(ratchet_prv.public_key().public_bytes())
                                 shared_key = ratchet_prv.exchange(peer_pub)
-                                derived_key = RNS.Cryptography.hkdf(
-                                    length=32,
-                                    derive_from=shared_key,
-                                    salt=self.get_salt(),
-                                    context=self.get_context(),
-                                )
-
-                                token = Token(derived_key)
-                                plaintext = token.decrypt(ciphertext)
+                                plaintext = self.__decrypt(shared_key, ciphertext)
                                 if ratchet_id_receiver:
                                     ratchet_id_receiver.latest_ratchet_id = ratchet_id
                                 
@@ -724,33 +895,27 @@ class Identity:
                                 pass
 
                     if enforce_ratchets and plaintext == None:
-                        RNS.log("Decryption with ratchet enforcement by "+RNS.prettyhexrep(self.hash)+" failed. Dropping packet.", RNS.LOG_DEBUG)
+                        RNS.log("Decryption with ratchet enforcement by "+RNS.prettyhexrep(self.hash)+" failed. Dropping packet.", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                         if ratchet_id_receiver:
                             ratchet_id_receiver.latest_ratchet_id = None
                         return None
 
                     if plaintext == None:
                         shared_key = self.prv.exchange(peer_pub)
-                        derived_key = RNS.Cryptography.hkdf(
-                            length=32,
-                            derive_from=shared_key,
-                            salt=self.get_salt(),
-                            context=self.get_context(),
-                        )
+                        plaintext = self.__decrypt(shared_key, ciphertext)
 
-                        token = Token(derived_key)
-                        plaintext = token.decrypt(ciphertext)
                         if ratchet_id_receiver:
                             ratchet_id_receiver.latest_ratchet_id = None
 
                 except Exception as e:
-                    RNS.log("Decryption by "+RNS.prettyhexrep(self.hash)+" failed: "+str(e), RNS.LOG_DEBUG)
+                    RNS.log("Decryption by "+RNS.prettyhexrep(self.hash)+" failed: "+str(e), RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                     if ratchet_id_receiver:
                         ratchet_id_receiver.latest_ratchet_id = None
                     
-                return plaintext;
+                return plaintext
+            
             else:
-                RNS.log("Decryption failed because the token size was invalid.", RNS.LOG_DEBUG)
+                RNS.log("Decryption failed because the token size was invalid.", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                 return None
         else:
             raise KeyError("Decryption failed because identity does not hold a private key")

RNS/Interfaces/AX25KISSInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/Android/KISSInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/Android/RNodeInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -24,6 +32,7 @@ from RNS.Interfaces.Interface import Interface
 from time import sleep
 import sys
 import threading
+import socket
 import time
 import math
 import RNS
@@ -65,6 +74,7 @@ class KISS():
     CMD_STAT_PHYPRM = 0x26
     CMD_STAT_BAT    = 0x27
     CMD_STAT_CSMA   = 0x28
+    CMD_STAT_TEMP   = 0x29
     CMD_BLINK       = 0x30
     CMD_RANDOM      = 0x40
     CMD_FB_EXT      = 0x41
@@ -355,7 +365,9 @@ class RNodeInterface(Interface):
         target_device_address = c["target_device_address"] if "target_device_address" in c else None
         ble_name = c["ble_name"] if "ble_name" in c else None
         ble_addr = c["ble_addr"] if "ble_addr" in c else None
+        tcp_host = c["tcp_host"] if "tcp_host" in c else None
         force_ble = c["force_ble"] if "force_ble" in c else False
+        force_tcp = c["force_tcp"] if "force_tcp" in c else False
         frequency = int(c["frequency"]) if "frequency" in c else 0
         bandwidth = int(c["bandwidth"]) if "bandwidth" in c else 0
         txpower = int(c["txpower"]) if "txpower" in c else 0
@@ -427,6 +439,14 @@ class RNodeInterface(Interface):
         self.ble_rx_queue= b""
         self.ble_tx_queue= b""
 
+        self.tcp         = None
+        self.use_tcp     = False
+        self.tcp_host    = tcp_host
+        self.tcp_rx_queue= b""
+        self.tcp_tx_queue= b""
+        self.tcp_rx_lock = threading.Lock()
+        self.tcp_tx_lock = threading.Lock()
+
         self.frequency   = frequency
         self.bandwidth   = bandwidth
         self.txpower     = txpower
@@ -436,6 +456,7 @@ class RNodeInterface(Interface):
         self.bitrate     = 0
         self.st_alock    = st_alock
         self.lt_alock    = lt_alock
+        self.cpu_temp    = None
         self.platform    = None
         self.display     = None
         self.mcu         = None
@@ -448,6 +469,7 @@ class RNodeInterface(Interface):
         self.first_tx    = None
         self.reconnect_w = RNodeInterface.RECONNECT_WAIT
         self.reconnect_lock = threading.Lock()
+        self.awaiting_ble_reset = False
 
         self.r_frequency = None
         self.r_bandwidth = None
@@ -478,6 +500,9 @@ class RNodeInterface(Interface):
         self.r_csma_cw_max        = None
         self.r_current_rssi       = None
         self.r_noise_floor        = None
+        self.r_interference       = None
+        self.r_interference_l     = None
+        self.r_temperature        = None
 
         self.r_battery_state = RNodeInterface.BATTERY_STATE_UNKNOWN
         self.r_battery_percent = 0
@@ -499,15 +524,15 @@ class RNodeInterface(Interface):
         self.port_io_timeout = RNodeInterface.PORT_IO_TIMEOUT
         self.last_imagedata = None
 
-        if force_ble or self.ble_addr != None or self.ble_name != None:
-            self.use_ble = True
+        if force_ble or self.ble_addr != None or self.ble_name != None: self.use_ble = True
+        if force_tcp or self.tcp_host != None:                          self.use_tcp = True
 
         self.validcfg  = True
         if (self.frequency < RNodeInterface.FREQ_MIN or self.frequency > RNodeInterface.FREQ_MAX):
             RNS.log("Invalid frequency configured for "+str(self), RNS.LOG_ERROR)
             self.validcfg = False
 
-        if (self.txpower < 0 or self.txpower > 22):
+        if (self.txpower < 0 or self.txpower > 37):
             RNS.log("Invalid TX power configured for "+str(self), RNS.LOG_ERROR)
             self.validcfg = False
 
@@ -550,10 +575,8 @@ class RNodeInterface(Interface):
             self.open_port()
 
             if self.serial != None:
-                if self.serial.is_open:
-                    self.configure_device()
-                else:
-                    raise IOError("Could not open serial port")
+                if self.serial.is_open: self.configure_device()
+                else: raise IOError("Could not open serial port")
             elif self.bt_manager != None:
                 if self.bt_manager.connected:
                     self.configure_device()
@@ -571,12 +594,9 @@ class RNodeInterface(Interface):
 
 
     def read_mux(self, len=None):
-        if self.serial != None:
-            return self.serial.read()
-        elif self.bt_manager != None:
-            return self.bt_manager.read()
-        else:
-            raise IOError("No ports available for reading")
+        if self.serial != None: return self.serial.read()
+        elif self.bt_manager != None: return self.bt_manager.read()
+        else: raise IOError("No ports available for reading")
 
     def write_mux(self, data):
         if self.serial != None:
@@ -591,17 +611,19 @@ class RNodeInterface(Interface):
         else:
             raise IOError("No ports available for writing")
 
-    # def reset_ble(self):
-    #     RNS.log(f"Clearing previous connection instance: "+str(self.ble))
-    #     del self.ble
-    #     self.ble = None
-    #     self.serial = None
-    #     self.ble = BLEConnection(owner=self, target_name=self.ble_name, target_bt_addr=self.ble_addr)
-    #     self.serial = self.ble
-    #     RNS.log(f"New connection instance: "+str(self.ble))
+    def reset_ble(self):
+        if not self.awaiting_ble_reset: return
+        else:
+            RNS.log(f"Clearing previous connection instance: "+str(self.ble), RNS.LOG_DEBUG)
+            self.ble = None
+            self.serial = None
+            self.ble = BLEConnection(owner=self, target_name=self.ble_name, target_bt_addr=self.ble_addr)
+            self.serial = self.ble
+            self.awaiting_ble_reset = False
+            RNS.log(f"New connection instance: "+str(self.ble), RNS.LOG_DEBUG)
         
     def open_port(self):
-        if not self.use_ble:
+        if not self.use_ble and not self.use_tcp:
             if self.port != None:
                 RNS.log("Opening serial port "+self.port+"...")
                 # Get device parameters
@@ -669,7 +691,7 @@ class RNodeInterface(Interface):
                 if self.bt_manager != None:
                     self.bt_manager.connect_any_device()
 
-        else:
+        elif self.use_ble:
             if self.ble == None:
                 self.ble = BLEConnection(owner=self, target_name=self.ble_name, target_bt_addr=self.ble_addr)
                 self.serial = self.ble
@@ -678,6 +700,24 @@ class RNodeInterface(Interface):
             while not self.ble.connected and time.time() < open_time + self.ble.CONNECT_TIMEOUT:
                 time.sleep(1)
 
+        elif self.use_tcp:
+            RNS.log(f"Opening TCP connection for {self}...")
+            if self.tcp != None and self.tcp.running == False:
+                self.tcp.close()
+                self.tcp.cleanup()
+                self.tcp = None
+
+            if self.tcp == None:
+                self.tcp = TCPConnection(owner=self, target_host=self.tcp_host)
+                self.serial = self.tcp
+
+            open_time = time.time()
+            while not self.tcp.connected and time.time() < open_time + self.tcp.CONNECT_TIMEOUT:
+                time.sleep(1)
+
+        else:
+            raise TypeError("No valid device connection type defined for RNode interface")
+
 
     def configure_device(self):
         self.resetRadioState()
@@ -685,17 +725,19 @@ class RNodeInterface(Interface):
         thread = threading.Thread(target=self.readLoop, daemon=True).start()
 
         self.detect()
-        if not self.use_ble:
-            sleep(0.5)
-        else:
+        if self.use_tcp:
+            tcp_detect_timeout = 5.0
+            detect_time = time.time()
+            while not self.detected and time.time() < detect_time + tcp_detect_timeout: time.sleep(0.1)
+            if not self.detected: RNS.log(f"RNode detect timed out over TCP", RNS.LOG_ERROR)
+        elif self.use_ble:
             ble_detect_timeout = 5
             detect_time = time.time()
-            while not self.detected and time.time() < detect_time + ble_detect_timeout:
-                time.sleep(0.1)
-            if self.detected:
-                detect_time = RNS.prettytime(time.time()-detect_time)
-            else:
-                RNS.log(f"RNode detect timed out over {self.port}", RNS.LOG_ERROR)
+            while not self.detected and time.time() < detect_time + ble_detect_timeout: time.sleep(0.1)
+            if self.detected: detect_time = RNS.prettytime(time.time()-detect_time)
+            else: RNS.log(f"RNode detect timed out over {self.port}", RNS.LOG_ERROR)
+        else:
+            sleep(0.2)
 
         if not self.detected:
             raise IOError("Could not detect device")
@@ -708,11 +750,19 @@ class RNodeInterface(Interface):
 
         if self.serial != None and self.port != None:
             self.timeout = 200
-            RNS.log("Serial port "+self.port+" is now open")
+            RNS.log(f"Serial port {self.port} is now open")
 
         if self.bt_manager != None and self.bt_manager.connected:
             self.timeout = 1500
-            RNS.log("Bluetooth connection to RNode now open")
+            RNS.log(f"Bluetooth connection to RNode now open")
+
+        if self.ble != None and self.ble.connected:
+            self.timeout = 1500
+            RNS.log(f"BLE connection {self.port} to RNode now open")
+
+        if self.tcp != None and self.tcp.connected:
+            self.timeout = 1500
+            RNS.log(f"TCP connection tcp://{self.tcp_host} to RNode now open")
 
         RNS.log("Configuring RNode interface...", RNS.LOG_VERBOSE)
         self.initRadio()
@@ -964,10 +1014,8 @@ class RNodeInterface(Interface):
 
     def validateRadioState(self):
         RNS.log("Waiting for radio configuration validation for "+str(self)+"...", RNS.LOG_VERBOSE)
-        if not self.platform == KISS.PLATFORM_ESP32:
-            sleep(1.00);
-        else:
-            sleep(2.00);
+        if not self.platform == KISS.PLATFORM_ESP32: sleep(1.00);
+        else: sleep(2.00);
 
         self.validcfg = True
         if (self.r_frequency != None and abs(self.frequency - int(self.r_frequency)) > 100):
@@ -1264,10 +1312,12 @@ class RNodeInterface(Interface):
                                     self.r_channel_load_long  = cul/100.0
                                     self.r_current_rssi       = crs-RNodeInterface.RSSI_OFFSET
                                     self.r_noise_floor        = nfl-RNodeInterface.RSSI_OFFSET
+                                    
                                     if ntf == 0xFF:
                                         self.r_interference   = None
                                     else:
                                         self.r_interference   = ntf-RNodeInterface.RSSI_OFFSET
+                                        self.r_interference_l = [time.time(), self.r_interference]
                                     
                                     if self.r_interference != None:
                                         RNS.log(f"{self} Radio detected interference at {self.r_interference} dBm", RNS.LOG_DEBUG)
@@ -1347,6 +1397,22 @@ class RNodeInterface(Interface):
                                         bat_percent = 0
                                     self.r_battery_state   = command_buffer[0]
                                     self.r_battery_percent = bat_percent
+                        elif (command == KISS.CMD_STAT_TEMP):
+                            if (byte == KISS.FESC):
+                                escape = True
+                            else:
+                                if (escape):
+                                    if (byte == KISS.TFEND):
+                                        byte = KISS.FEND
+                                    if (byte == KISS.TFESC):
+                                        byte = KISS.FESC
+                                    escape = False
+                                command_buffer = command_buffer+bytes([byte])
+                                if (len(command_buffer) == 1):
+                                    temp = command_buffer[0]-120
+                                    if temp >= -30 and temp <= 90: self.r_temperature = temp
+                                    else:                          self.r_temperature = None
+                                    self.cpu_temp = self.r_temperature
                         elif (command == KISS.CMD_RANDOM):
                             self.r_random = byte
                         elif (command == KISS.CMD_PLATFORM):
@@ -1417,7 +1483,7 @@ class RNodeInterface(Interface):
                 if got == 0:
                     time_since_last = int(time.time()*1000) - last_read_ms
                     if len(data_buffer) > 0 and time_since_last > self.timeout:
-                        RNS.log(str(self)+" serial read timeout in command "+str(command), RNS.LOG_WARNING)
+                        RNS.log(f"{self} device read timeout in command {command} after {RNS.prettytime(self.timeout/1000.0)}", RNS.LOG_WARNING)
                         data_buffer = b""
                         in_frame = False
                         command = KISS.CMD_UNKNOWN
@@ -1428,19 +1494,19 @@ class RNodeInterface(Interface):
                             if time.time() > self.first_tx + self.id_interval:
                                 RNS.log("Interface "+str(self)+" is transmitting beacon data: "+str(self.id_callsign.decode("utf-8")), RNS.LOG_DEBUG)
                                 self.process_outgoing(self.id_callsign)
-                    
-                    if (time.time() - self.last_port_io > self.port_io_timeout):
-                        self.detect()
-                    
-                    if (time.time() - self.last_port_io > self.port_io_timeout*3):
-                        raise IOError("Connected port for "+str(self)+" became unresponsive")
 
-                    if self.bt_manager != None:
-                        sleep(0.08)
+                    if self.use_tcp:
+                        if self.tcp and self.tcp.connected:
+                            if time.time() > self.tcp.last_write + self.tcp.ACTIVITY_KEEPALIVE:
+                                self.detect()
+                    
+                    if (time.time() - self.last_port_io > self.port_io_timeout): self.detect()
+                    if (time.time() - self.last_port_io > self.port_io_timeout*3): raise IOError("Connected port for "+str(self)+" became unresponsive")
+                    if self.bt_manager != None or self.ble != None: sleep(0.08)
 
         except Exception as e:
             self.online = False
-            RNS.log("A serial port occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
+            RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
             RNS.log("The interface "+str(self)+" experienced an unrecoverable error and is now offline.", RNS.LOG_ERROR)
 
             if RNS.Reticulum.panic_on_interface_error:
@@ -1498,12 +1564,18 @@ class RNodeInterface(Interface):
 
     def detach(self):
         self.detached = True
-        self.disable_external_framebuffer()
-        self.setRadioState(KISS.RADIO_STATE_OFF)
-        self.leave()
+        try:
+            self.disable_external_framebuffer()
+            self.setRadioState(KISS.RADIO_STATE_OFF)
+            self.leave()
 
-        if self.use_ble:
-            self.ble.close()
+        except Exception as e:
+            RNS.log(f"An error occurred while detaching {self}: {e}", RNS.LOG_ERROR)
+
+        if self.use_ble: self.ble.close()
+        if self.use_tcp:
+            time.sleep(0.5)
+            self.tcp.close()
 
     def should_ingress_limit(self):
         return False
@@ -1524,6 +1596,17 @@ class RNodeInterface(Interface):
     def get_battery_percent(self):
         return self.r_battery_percent
 
+    def tcp_receive(self, data):
+        with self.tcp_rx_lock: self.tcp_rx_queue += data
+
+    def tcp_waiting(self): return len(self.tcp_tx_queue) > 0
+
+    def get_tcp_waiting(self, n):
+        with self.tcp_tx_lock:
+            data = self.tcp_tx_queue[:n]
+            self.tcp_tx_queue = self.tcp_tx_queue[n:]
+            return data
+
     def ble_receive(self, data):
         with self.ble_rx_lock:
             self.ble_rx_queue += data
@@ -1538,7 +1621,7 @@ class RNodeInterface(Interface):
             return data
 
     def __str__(self):
-        return "RNodeInterface["+str(self.name)+"]"
+        return f"RNodeInterface[{self.name}]"
 
 class BLEConnection(BluetoothDispatcher):
     UART_SERVICE_UUID = "6e400001-b5a3-f393-e0a9-e50e24dcca9e"
@@ -1550,7 +1633,7 @@ class BLEConnection(BluetoothDispatcher):
 
     MTU_TIMEOUT = 4.0
     CONNECT_TIMEOUT = 7.0
-    RECONNECT_WAIT = 1.0
+    RECONNECT_WAIT = 2.5
 
     @property
     def is_open(self):
@@ -1651,13 +1734,17 @@ class BLEConnection(BluetoothDispatcher):
         self.write_thread = None
 
     def connection_job(self):
+        ble_devices = []
         while self.should_run:
             if self.bt_manager.bt_enabled():
-                if self.ble_device == None:
-                    self.ble_device = self.find_target_device()
+                if not self.connected:
+                    if len(ble_devices) == 0:
+                        ble_devices = self.find_target_devices()
+                    
+                    if len(ble_devices) > 0: self.ble_device = ble_devices.pop()
+                    else:                    self.ble_device == None
 
-                if self.ble_device != None:
-                    if not self.connected:
+                    if self.ble_device != None:
                         if self.was_connected:
                             RNS.log(f"Throttling BLE reconnect for {BLEConnection.RECONNECT_WAIT} seconds", RNS.LOG_DEBUG)
                             time.sleep(BLEConnection.RECONNECT_WAIT)
@@ -1669,7 +1756,7 @@ class BLEConnection(BluetoothDispatcher):
                     RNS.log("Bluetooth was disabled, closing active BLE device connection", RNS.LOG_ERROR)
                     self.close()
 
-            time.sleep(2)
+            time.sleep(1)
 
     def connect_device(self):
         if self.ble_device != None and self.bt_manager.bt_enabled():
@@ -1687,12 +1774,15 @@ class BLEConnection(BluetoothDispatcher):
             else:
                 RNS.log(f"BLE device connection timed out for {self.owner}", RNS.LOG_DEBUG)
                 if self.mtu_requested_time:
-                    RNS.log("MTU update timeout, tearing down connection")
+                    RNS.log("MTU update timeout, tearing down connection and resetting BLE dispatcher")
                     self.owner.hw_errors.append({"error": KISS.ERROR_INVALID_BLE_MTU, "description": "The Bluetooth Low Energy transfer MTU could not be configured for the connected device, and communication has failed. Restart Reticulum and any connected applications to retry connecting."})
                     self.close()
+                    self.close_gatt()
                     self.should_run = False
-                
-                self.close_gatt()
+                    self.owner.awaiting_ble_reset = True
+
+                else:
+                    self.close_gatt()
 
             self.connect_job_running = False
 
@@ -1702,15 +1792,17 @@ class BLEConnection(BluetoothDispatcher):
         self.ble_device = None
         self.close_gatt()
 
-    def find_target_device(self):
+    def find_target_devices(self):
         found_device = None
         potential_devices = self.bt_manager.get_paired_devices()
+        suitable_devices = []
 
         if self.target_bt_addr != None:
             for device in potential_devices:
                 if (device.getType() == AndroidBluetoothManager.DEVICE_TYPE_LE) or (device.getType() == AndroidBluetoothManager.DEVICE_TYPE_DUAL):
                     if str(device.getAddress()).replace(":", "").lower() == str(self.target_bt_addr).replace(":", "").lower():
                         found_device = device
+                        suitable_devices.append(device)
                         break
 
         if not found_device and self.target_name != None:
@@ -1718,6 +1810,7 @@ class BLEConnection(BluetoothDispatcher):
                 if (device.getType() == AndroidBluetoothManager.DEVICE_TYPE_LE) or (device.getType() == AndroidBluetoothManager.DEVICE_TYPE_DUAL):
                     if device.getName().lower() == self.target_name.lower():
                         found_device = device
+                        suitable_devices.append(device)
                         break
 
         if not found_device:
@@ -1725,9 +1818,9 @@ class BLEConnection(BluetoothDispatcher):
                 if (device.getType() == AndroidBluetoothManager.DEVICE_TYPE_LE) or (device.getType() == AndroidBluetoothManager.DEVICE_TYPE_DUAL):
                     if device.getName().startswith("RNode "):
                         found_device = device
-                        break
+                        suitable_devices.append(device)
 
-        return found_device
+        return suitable_devices
 
     def on_connection_state_change(self, status, state):
         if status == GATT_SUCCESS and state:
@@ -1771,4 +1864,139 @@ class BLEConnection(BluetoothDispatcher):
     def on_characteristic_changed(self, characteristic):
         if characteristic.getUuid().toString() == BLEConnection.UART_TX_CHAR_UUID:
             recvd = bytes(characteristic.getValue())
-            self.owner.ble_receive(recvd)
+            self.owner.ble_receive(recvd)
+
+class TCPConnection():
+    TARGET_PORT = 7633
+    CONNECT_TIMEOUT = 5.0
+    INITIAL_CONNECT_TIMEOUT = 5.0
+    RECONNECT_WAIT = 4.0
+    ACTIVITY_TIMEOUT = 6.0
+    ACTIVITY_KEEPALIVE = ACTIVITY_TIMEOUT-2.5
+
+    TCP_USER_TIMEOUT = 24
+    TCP_PROBE_AFTER = 5
+    TCP_PROBE_INTERVAL = 2
+    TCP_PROBES = 12
+
+    @property
+    def is_open(self):
+        return self.connected
+
+    @property
+    def in_waiting(self):
+        buflen = len(self.owner.tcp_rx_queue)
+        return buflen > 0
+
+    def write(self, data_bytes):
+        if self.connected and self.socket:
+            with self.owner.tcp_tx_lock:
+                if len(self.owner.tcp_tx_queue) > 0:
+                    self.socket.sendall(self.owner.tcp_tx_queue)
+                    self.owner.tcp_tx_queue = b""
+
+            self.socket.sendall(data_bytes)
+            self.last_write = time.time()
+
+        else:
+            with self.owner.tcp_tx_lock: self.owner.tcp_tx_queue += data_bytes
+
+        return len(data_bytes)
+
+    def read(self, n=4096):
+        with self.owner.tcp_rx_lock:
+            data = self.owner.tcp_rx_queue[:n]
+            self.owner.tcp_rx_queue = self.owner.tcp_rx_queue[n:]
+            return data
+
+    def close(self):
+        if self.connected:
+            RNS.log(f"Disconnecting TCP socket for {self.owner}", RNS.LOG_DEBUG)
+            self.must_disconnect = True
+            if self.socket: self.socket.close()
+
+    def __init__(self, owner=None, target_host=None):
+        self.owner = owner
+        self.target_host = target_host
+        self.connected = False
+        self.reconnecting = False
+        self.running = False
+        self.should_run = False
+        self.must_disconnect = False
+        self.connect_job_running = False
+        self.last_write = time.time()
+
+        self.should_run = True
+        self.connection_thread = threading.Thread(target=self.initial_connect, daemon=True).start()
+
+    def set_timeouts_linux(self):
+        self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_USER_TIMEOUT, int(self.TCP_USER_TIMEOUT * 1000))
+        self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
+        self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, int(self.TCP_PROBE_AFTER))
+        self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, int(self.TCP_PROBE_INTERVAL))
+        self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, int(self.TCP_PROBES))
+
+    def set_timeouts_osx(self):
+        if hasattr(socket, "TCP_KEEPALIVE"): TCP_KEEPIDLE = socket.TCP_KEEPALIVE
+        else: TCP_KEEPIDLE = 0x10
+        self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
+        self.socket.setsockopt(socket.IPPROTO_TCP, TCP_KEEPIDLE, int(self.TCP_PROBE_AFTER))
+
+    def cleanup(self):
+        try:
+            if self.socket: self.socket.close()
+        except Exception as e:
+            RNS.log(f"Error while disconnecting TCP socket on cleanup for {self.owner}", RNS.LOG_ERROR)
+
+        self.should_run = False
+
+    def initial_connect(self):
+        if self.connect(initial=True): threading.Thread(target=self.read_loop, daemon=True).start()
+
+    def connect(self, initial=False):
+        try:
+            if initial:
+                RNS.log(f"Establishing TCP connection to device for {self.owner}...", RNS.LOG_DEBUG)
+
+            address_info = socket.getaddrinfo(self.target_host, self.TARGET_PORT, proto=socket.IPPROTO_TCP)[0]
+            address_family = address_info[0]
+            target_address = address_info[4]
+
+            self.socket = socket.socket(address_family, socket.SOCK_STREAM)
+            self.socket.settimeout(self.INITIAL_CONNECT_TIMEOUT)
+            self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
+            self.socket.connect(target_address)
+            self.socket.settimeout(None)
+            self.connected  = True
+            self.last_write = time.time()
+
+            RNS.log(f"TCP connection to device for {self.owner} established", RNS.LOG_DEBUG)
+
+            if RNS.vendor.platformutils.is_linux():    self.set_timeouts_linux()
+            elif RNS.vendor.platformutils.is_darwin(): self.set_timeouts_osx()
+
+            return True
+        
+        except Exception as e:
+            if initial:
+                RNS.log(f"TCP connection to device for {self.owner} could not be established: {e}", RNS.LOG_ERROR)
+                return False
+            
+            else: raise e
+
+    def read_loop(self):
+        try:
+            data_in = b""
+            while not self.must_disconnect:
+                if self.socket: data_in = self.socket.recv(4096)
+                else: data_in = b""
+
+                if len(data_in) > 0: self.owner.tcp_receive(data_in)
+                else:
+                    self.connected = False
+                    RNS.log(f"The TCP socket for {self} was closed", RNS.LOG_WARNING)
+                    break
+
+        except Exception as e:
+            self.connected = False
+            RNS.log(f"A TCP read error occurred for {self}, the contained exception was: {e}", RNS.LOG_WARNING)

RNS/Interfaces/Android/SerialInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/Android/__init__.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2022 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/AutoInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -50,11 +58,14 @@ class AutoInterface(Interface):
     MULTICAST_PERMANENT_ADDRESS_TYPE = "0"
     MULTICAST_TEMPORARY_ADDRESS_TYPE = "1"
 
-    PEERING_TIMEOUT    = 10.0
+    PEERING_TIMEOUT    = 22.0
+    ANNOUNCE_INTERVAL  =  1.6
+    PEER_JOB_INTERVAL  =  4.0
+    MCAST_ECHO_TIMEOUT =  6.5
 
     ALL_IGNORE_IFS     = ["lo0"]
     DARWIN_IGNORE_IFS  = ["awdl0", "llw0", "lo0", "en5"]
-    ANDROID_IGNORE_IFS = ["dummy0", "lo", "tun0"]
+    ANDROID_IGNORE_IFS = ["dummy0", "lo", "tun0", "rmnet0", "rmnet1", "rmnet2", "rmnet3", "rmnet4", "rmnet5", "rmnet6", "rmnet7"]
 
     BITRATE_GUESS      = 10*1000*1000
 
@@ -111,11 +122,13 @@ class AutoInterface(Interface):
         self.name = name
         self.owner = owner
         self.online = False
+        self.final_init_done = False
         self.peers = {}
         self.link_local_addresses = []
         self.adopted_interfaces = {}
         self.interface_servers = {}
         self.multicast_echoes = {}
+        self.initial_echoes = {}
         self.timed_out_interfaces = {}
         self.spawned_interfaces = {}
         self.write_lock = threading.Lock()
@@ -125,16 +138,17 @@ class AutoInterface(Interface):
 
         self.outbound_udp_socket = None
 
-        self.announce_rate_target = None
-        self.announce_interval = AutoInterface.PEERING_TIMEOUT/6.0
-        self.peer_job_interval = AutoInterface.PEERING_TIMEOUT*1.1
-        self.peering_timeout   = AutoInterface.PEERING_TIMEOUT
-        self.multicast_echo_timeout = AutoInterface.PEERING_TIMEOUT/2
+        self.announce_rate_target     = None
+        self.announce_interval        = AutoInterface.ANNOUNCE_INTERVAL
+        self.peer_job_interval        = AutoInterface.PEER_JOB_INTERVAL
+        self.peering_timeout          = AutoInterface.PEERING_TIMEOUT
+        self.multicast_echo_timeout   = AutoInterface.MCAST_ECHO_TIMEOUT
+        self.reverse_peering_interval = self.announce_interval*3.25
 
         # Increase peering timeout on Android, due to potential
         # low-power modes implemented on many chipsets.
         if RNS.vendor.platformutils.is_android():
-            self.peering_timeout *= 2.5
+            self.peering_timeout *= 1.25
 
         if allowed_interfaces == None:
             self.allowed_interfaces = []
@@ -156,6 +170,8 @@ class AutoInterface(Interface):
         else:
             self.discovery_port = discovery_port
 
+        self.unicast_discovery_port = self.discovery_port+1
+
         if multicast_address_type == None:
             self.multicast_address_type = AutoInterface.MULTICAST_TEMPORARY_ADDRESS_TYPE
         elif str(multicast_address_type).lower() == "temporary":
@@ -231,33 +247,48 @@ class AutoInterface(Interface):
                             if link_local_addr == None:
                                 RNS.log(str(self)+" No link-local IPv6 address configured for "+str(ifname)+", skipping interface", RNS.LOG_EXTREME)
                             else:
-                                mcast_addr = self.mcast_discovery_address
-                                RNS.log(str(self)+" Creating multicast discovery listener on "+str(ifname)+" with address "+str(mcast_addr), RNS.LOG_EXTREME)
+                                RNS.log(str(self)+" Creating unicast discovery listener on "+str(ifname)+" with address "+str(link_local_addr), RNS.LOG_EXTREME)
 
                                 # Struct with interface index
                                 if_struct = struct.pack("I", self.interface_name_to_index(ifname))
 
-                                # Set up multicast socket
+                                # Set up unicast discovery socket
+                                unicast_discovery_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+                                unicast_discovery_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+                                if hasattr(socket, "SO_REUSEPORT"): unicast_discovery_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
+
+                                # Bind unicast discovery socket
+                                if RNS.vendor.platformutils.is_windows():
+                                    # Windows throws "[WinError 10049] The requested address is not valid in its context"
+                                    # when trying to use the multicast address as host, or when providing interface index
+                                    # passing an empty host appears to work, but probably not exactly how we want it to...
+                                    unicast_discovery_socket.bind(('', self.unicast_discovery_port))
+
+                                else:
+                                    addr_info = socket.getaddrinfo(link_local_addr+"%"+ifname, self.unicast_discovery_port, socket.AF_INET6, socket.SOCK_DGRAM)
+                                    unicast_discovery_socket.bind(addr_info[0][4])
+
+                                mcast_addr = self.mcast_discovery_address
+                                RNS.log(str(self)+" Creating multicast discovery listener on "+str(ifname)+" with address "+str(mcast_addr), RNS.LOG_EXTREME)
+
+                                # Set up multicast discovery socket
                                 discovery_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
                                 discovery_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-                                if hasattr(socket, "SO_REUSEPORT"):
-                                    discovery_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
+                                if hasattr(socket, "SO_REUSEPORT"): discovery_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
                                 discovery_socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, if_struct)
 
                                 # Join multicast group
                                 mcast_group = socket.inet_pton(socket.AF_INET6, mcast_addr) + if_struct
                                 discovery_socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, mcast_group)
 
-                                # Bind socket
+                                # Bind multicast socket
                                 if RNS.vendor.platformutils.is_windows():
-
-                                    # window throws "[WinError 10049] The requested address is not valid in its context"
+                                    # Windows throws "[WinError 10049] The requested address is not valid in its context"
                                     # when trying to use the multicast address as host, or when providing interface index
                                     # passing an empty host appears to work, but probably not exactly how we want it to...
                                     discovery_socket.bind(('', self.discovery_port))
 
                                 else:
-
                                     if self.discovery_scope == AutoInterface.SCOPE_LINK:
                                         addr_info = socket.getaddrinfo(mcast_addr+"%"+ifname, self.discovery_port, socket.AF_INET6, socket.SOCK_DGRAM)
                                     else:
@@ -265,13 +296,13 @@ class AutoInterface(Interface):
 
                                     discovery_socket.bind(addr_info[0][4])
 
-                                # Set up thread for discovery packets
-                                def discovery_loop():
-                                    self.discovery_handler(discovery_socket, ifname)
-
-                                thread = threading.Thread(target=discovery_loop)
-                                thread.daemon = True
-                                thread.start()
+                                # Set up thread for multicast discovery packets
+                                def discovery_loop(): self.discovery_handler(discovery_socket, ifname)
+                                thread = threading.Thread(target=discovery_loop, daemon=True).start()
+                                
+                                # Set up thread for unicast discovery packets
+                                def unicast_discovery_loop(): self.discovery_handler(unicast_discovery_socket, ifname, announce=False)
+                                thread = threading.Thread(target=unicast_discovery_loop, daemon=True).start()
 
                                 suitable_interfaces += 1
 
@@ -317,23 +348,25 @@ class AutoInterface(Interface):
         time.sleep(peering_wait)
 
         self.online = True
+        self.final_init_done = True
 
-    def discovery_handler(self, socket, ifname):
-        def announce_loop():
-            self.announce_handler(ifname)
-            
-        thread = threading.Thread(target=announce_loop)
-        thread.daemon = True
-        thread.start()
+    def discovery_handler(self, socket, ifname, announce=True):
+        def announce_loop(): self.announce_handler(ifname)
+        
+        if announce:
+            thread = threading.Thread(target=announce_loop)
+            thread.daemon = True
+            thread.start()
         
         while True:
             data, ipv6_src = socket.recvfrom(1024)
-            peering_hash = data[:RNS.Identity.HASHLENGTH//8]
-            expected_hash = RNS.Identity.full_hash(self.group_id+ipv6_src[0].encode("utf-8"))
-            if peering_hash == expected_hash:
-                self.add_peer(ipv6_src[0], ifname)
-            else:
-                RNS.log(str(self)+" received peering packet on "+str(ifname)+" from "+str(ipv6_src[0])+", but authentication hash was incorrect.", RNS.LOG_DEBUG)
+            if self.final_init_done:
+                peering_hash = data[:RNS.Identity.HASHLENGTH//8]
+                expected_hash = RNS.Identity.full_hash(self.group_id+ipv6_src[0].encode("utf-8"))
+                if peering_hash == expected_hash:
+                    self.add_peer(ipv6_src[0], ifname)
+                else:
+                    RNS.log(str(self)+" received peering packet on "+str(ifname)+" from "+str(ipv6_src[0])+", but authentication hash was incorrect.", RNS.LOG_DEBUG)
 
     def peer_jobs(self):
         while True:
@@ -357,6 +390,18 @@ class AutoInterface(Interface):
                     spawned_interface.teardown()
                 RNS.log(str(self)+" removed peer "+str(peer_addr)+" on "+str(removed_peer[0]), RNS.LOG_DEBUG)
 
+            # Send reverse peering packets
+            for peer_addr in self.peers:
+                try:
+                    peer = self.peers[peer_addr]
+                    ifname = peer[0]
+                    last_outbound = peer[2]
+                    if now > last_outbound+self.reverse_peering_interval:
+                        self.reverse_announce(ifname, peer_addr)
+                        peer[2] = time.time()
+                except Exception as e:
+                    RNS.log(f"Error while sending reverse peering packet to {peer_addr}: {e}", RNS.LOG_ERROR)
+
             for ifname in self.adopted_interfaces:
                 # Check that the link-local address has not changed
                 try:
@@ -402,9 +447,10 @@ class AutoInterface(Interface):
                     RNS.log("Could not get device information while updating link-local addresses for "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
 
                 # Check multicast echo timeouts
-                last_multicast_echo = 0
-                if ifname in self.multicast_echoes:
-                    last_multicast_echo = self.multicast_echoes[ifname]
+                last_multicast_echo     = 0
+                multicast_echo_received = False
+                if ifname in self.multicast_echoes: last_multicast_echo     = self.multicast_echoes[ifname]
+                if ifname in self.initial_echoes:   multicast_echo_received = True
 
                 if now - last_multicast_echo > self.multicast_echo_timeout:
                     if ifname in self.timed_out_interfaces and self.timed_out_interfaces[ifname] == False:
@@ -416,6 +462,11 @@ class AutoInterface(Interface):
                         self.carrier_changed = True
                         RNS.log(str(self)+" Carrier recovered on "+str(ifname), RNS.LOG_WARNING)
                     self.timed_out_interfaces[ifname] = False
+
+                if not multicast_echo_received:
+                    RNS.log(f"{self} No multicast echoes received on {ifname}. The networking hardware or a firewall may be blocking multicast traffic.", RNS.LOG_ERROR)
+                # else:
+                #     RNS.log(f"{self} Initial multicast echo on {ifname} received {RNS.prettytime(time.time()-self.initial_echoes[ifname])} ago.", RNS.LOG_DEBUG)
                 
 
     def announce_handler(self, ifname):
@@ -423,6 +474,20 @@ class AutoInterface(Interface):
             self.peer_announce(ifname)
             time.sleep(self.announce_interval)
             
+    def reverse_announce(self, ifname, peer_addr):
+        try:
+            link_local_address = self.adopted_interfaces[ifname]
+            discovery_token = RNS.Identity.full_hash(self.group_id+link_local_address.encode("utf-8"))
+            announce_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+            addr_info = socket.getaddrinfo(f"{peer_addr}%{ifname}", self.unicast_discovery_port, socket.AF_INET6, socket.SOCK_DGRAM)
+
+            ifis = struct.pack("I", self.interface_name_to_index(ifname))
+            announce_socket.sendto(discovery_token, addr_info[0][4])
+            announce_socket.close()
+            
+        except Exception as e:
+            RNS.log(f"Could not send reverse peering packet to {peer_addr} on {ifname}: {e}", RNS.LOG_ERROR)
+
     def peer_announce(self, ifname):
         try:
             link_local_address = self.adopted_interfaces[ifname]
@@ -454,16 +519,32 @@ class AutoInterface(Interface):
 
             if ifname != None:
                 self.multicast_echoes[ifname] = time.time()
+                if not ifname in self.initial_echoes: self.initial_echoes[ifname] = time.time()
             else:
                 RNS.log(str(self)+" received multicast echo on unexpected interface "+str(ifname), RNS.LOG_WARNING)
 
         else:
             if not addr in self.peers:
-                self.peers[addr] = [ifname, time.time()]
+                self.peers[addr] = [ifname, time.time(), time.time()]
 
                 spawned_interface = AutoInterfacePeer(self, addr, ifname)
                 spawned_interface.OUT = self.OUT
                 spawned_interface.IN  = self.IN
+
+                spawned_interface.ingress_control = self.ingress_control
+                spawned_interface.ic_max_held_announces = self.ic_max_held_announces
+                spawned_interface.ic_burst_hold = self.ic_burst_hold
+                spawned_interface.ic_burst_freq = self.ic_burst_freq
+                spawned_interface.ic_burst_freq_new = self.ic_burst_freq_new
+                spawned_interface.ic_new_time = self.ic_new_time
+                spawned_interface.ic_burst_penalty = self.ic_burst_penalty
+                spawned_interface.ic_held_release_interval = self.ic_held_release_interval
+
+                spawned_interface.egress_control = self.egress_control
+                spawned_interface.ec_pr_freq = self.ec_pr_freq
+                spawned_interface.ic_pr_burst_freq_new = self.ic_pr_burst_freq_new
+                spawned_interface.ic_pr_burst_freq = self.ic_pr_burst_freq
+                
                 spawned_interface.parent_interface = self
                 spawned_interface.bitrate = self.bitrate
                 
@@ -493,11 +574,11 @@ class AutoInterface(Interface):
                 spawned_interface.mode = self.mode
                 spawned_interface.HW_MTU = self.HW_MTU
                 spawned_interface.online = True
-                RNS.Transport.interfaces.append(spawned_interface)
+                RNS.Transport.add_interface(spawned_interface)
                 if addr in self.spawned_interfaces:
                     self.spawned_interfaces[addr].detach()
                     self.spawned_interfaces[addr].teardown()
-                    self.spawned_interfaces.pop(spawned_interface)
+                    if addr in self.spawned_interfaces: self.spawned_interfaces.pop(addr)
                 self.spawned_interfaces[addr] = spawned_interface
 
                 RNS.log(str(self)+" added peer "+str(addr)+" on "+str(ifname), RNS.LOG_DEBUG)
@@ -505,28 +586,18 @@ class AutoInterface(Interface):
                 self.refresh_peer(addr)
 
     def refresh_peer(self, addr):
-        try:
-            self.peers[addr][1] = time.time()
-        except Exception as e:
-            RNS.log(f"An error occurred while refreshing peer {addr} on {self}: {e}", RNS.LOG_ERROR)
+        try: self.peers[addr][1] = time.time()
+        except Exception as e: RNS.log(f"An error occurred while refreshing peer {addr} on {self}: {e}", RNS.LOG_ERROR)
 
     def process_incoming(self, data, addr=None):
         if self.online and addr in self.spawned_interfaces:
             self.spawned_interfaces[addr].process_incoming(data, addr)
 
-    def process_outgoing(self,data):
-        pass
+    def process_outgoing(self, data): pass
 
-    # Until per-device sub-interfacing is implemented,
-    # ingress limiting should be disabled on AutoInterface
-    def should_ingress_limit(self):
-        return False
+    def detach(self): self.online = False
 
-    def detach(self):
-        self.online = False
-
-    def __str__(self):
-        return "AutoInterface["+self.name+"]"
+    def __str__(self): return f"AutoInterface[{self.name}]"
 
 class AutoInterfacePeer(Interface):
 
@@ -581,12 +652,10 @@ class AutoInterfacePeer(Interface):
         
     def teardown(self):
         if not self.detached:
-            RNS.log("The interface "+str(self)+" experienced an unrecoverable error and is being torn down.", RNS.LOG_ERROR)
-            if RNS.Reticulum.panic_on_interface_error:
-                RNS.panic()
+            RNS.log(f"The interface {self} experienced an unrecoverable error and is being torn down.", RNS.LOG_ERROR)
+            if RNS.Reticulum.panic_on_interface_error: RNS.panic()
 
-        else:
-            RNS.log("The interface "+str(self)+" is being torn down.", RNS.LOG_VERBOSE)
+        else: RNS.log(f"The interface {self} is being torn down.", RNS.LOG_VERBOSE)
 
         self.online = False
         self.OUT = False
@@ -597,13 +666,7 @@ class AutoInterfacePeer(Interface):
             except Exception as e:
                 RNS.log(f"Could not remove {self} from parent interface on detach. The contained exception was: {e}", RNS.LOG_ERROR)
 
-        if self in RNS.Transport.interfaces:
-            RNS.Transport.interfaces.remove(self)
-
-    # Until per-device sub-interfacing is implemented,
-    # ingress limiting should be disabled on AutoInterface
-    def should_ingress_limit(self):
-        return False
+        RNS.Transport.remove_interface(self)
 
 class AutoInterfaceHandler(socketserver.BaseRequestHandler):
     def __init__(self, callback, *args, **keys):

RNS/Interfaces/BackboneInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -119,6 +127,7 @@ class BackboneInterface(Interface):
         self.detached = False
         self.mode = RNS.Interfaces.Interface.Interface.MODE_FULL
         self.spawned_interfaces = []
+        self.supports_discovery = True
 
         if bindport == None:
             raise SystemError(f"No TCP port configured for interface \"{name}\"")
@@ -147,6 +156,58 @@ class BackboneInterface(Interface):
         else:
             raise SystemError("Insufficient parameters to create listener")
 
+
+    __last_ic_burst_check = 0
+    __last_ic_burst_state = False
+    @property
+    def ic_burst_active(self):
+        if time.time() > self.__last_ic_burst_check + 2:
+            self.__last_ic_burst_state = any(i.ic_burst_active for i in self.spawned_interfaces)
+
+        return self.__last_ic_burst_state
+
+    @ic_burst_active.setter
+    def ic_burst_active(self, value): pass
+    
+    __ic_burst_activated_check = 0
+    __ic_burst_activated       = 0
+    @property
+    def ic_burst_activated(self):
+        if time.time() > self.__ic_burst_activated_check + 2:
+            activated = [i.ic_burst_activated for i in self.spawned_interfaces if i.ic_burst_active]
+            if activated: self.__ic_burst_activated = min(activated)
+
+        return self.__ic_burst_activated
+
+    @ic_burst_activated.setter
+    def ic_burst_activated(self, value): pass
+
+
+    __last_ic_pr_burst_check = 0
+    __last_ic_pr_burst_state = False
+    @property
+    def ic_pr_burst_active(self):
+        if time.time() > self.__last_ic_pr_burst_check + 2:
+            self.__last_ic_pr_burst_state = any(i.ic_pr_burst_active for i in self.spawned_interfaces)
+
+        return self.__last_ic_pr_burst_state
+
+    @ic_pr_burst_active.setter
+    def ic_pr_burst_active(self, value): pass
+    
+    __ic_pr_burst_activated_check = 0
+    __ic_pr_burst_activated       = 0
+    @property
+    def ic_pr_burst_activated(self):
+        if time.time() > self.__ic_pr_burst_activated_check + 2:
+            activated = [i.ic_pr_burst_activated for i in self.spawned_interfaces if i.ic_pr_burst_active]
+            if activated: self.__ic_pr_burst_activated = min(activated)
+
+        return self.__ic_pr_burst_activated
+
+    @ic_pr_burst_activated.setter
+    def ic_pr_burst_activated(self, value): pass
+
     @staticmethod
     def start():
         if not BackboneInterface._job_active: threading.Thread(target=BackboneInterface.__job, daemon=True).start()
@@ -187,17 +248,17 @@ class BackboneInterface(Interface):
     @staticmethod
     def register_in(fileno):
         if fileno < 0:
-            RNS.log(f"Attempt to register invalid file descriptor {fileno}", RNS.LOG_ERROR)
+            RNS.log(f"Attempt to register invalid file descriptor {fileno}", RNS.LOG_WARNING)
             return
 
         try: BackboneInterface.epoll.register(fileno, select.EPOLLIN)
         except Exception as e:
-            RNS.log(f"An error occurred while registering EPOLL_IN for file descriptor {fileno}: {e}", RNS.LOG_ERROR)
+            RNS.log(f"An error occurred while registering EPOLL_IN for file descriptor {fileno}: {e}", RNS.LOG_WARNING)
 
     @staticmethod
     def deregister_fileno(fileno):
         if fileno < 0:
-            RNS.log(f"Attempt to deregister invalid file descriptor {fileno}", RNS.LOG_ERROR)
+            RNS.log(f"Attempt to deregister invalid file descriptor {fileno}", RNS.LOG_DEBUG)
             return
 
         try: BackboneInterface.epoll.unregister(fileno)
@@ -219,10 +280,10 @@ class BackboneInterface(Interface):
         if interface.socket:
             fileno = interface.socket.fileno()
             if fileno in BackboneInterface.spawned_interface_filenos:
-                try:
-                    BackboneInterface.epoll.modify(interface.socket.fileno(), select.EPOLLOUT)
+                try: BackboneInterface.epoll.modify(fileno, select.EPOLLOUT)
                 except Exception as e:
-                    RNS.trace_exception(e)
+                    RNS.log(f"Error occurred on {interface} while modifying socket EPOLL state: {e}", RNS.LOG_WARNING)
+                    raise e
 
     @staticmethod
     def __job():
@@ -261,8 +322,7 @@ class BackboneInterface(Interface):
                                         spawned_interface.receive(received_bytes)
                                 
                                 elif client_socket and fileno == client_socket.fileno() and (event & select.EPOLLOUT):
-                                    try:
-                                        written = client_socket.send(spawned_interface.transmit_buffer)
+                                    try: written = client_socket.send(spawned_interface.transmit_buffer)
                                     except Exception as e:
                                         written = 0
                                         if not spawned_interface.detached: RNS.log(f"Error while writing to {spawned_interface}: {e}", RNS.LOG_DEBUG)
@@ -280,11 +340,15 @@ class BackboneInterface(Interface):
                                         except Exception as e: RNS.log(f"Error while removing spawned interface from {pif}: {e}", RNS.LOG_ERROR)
 
                                         try: client_socket.close()
-                                        except Exception as e: RNS.log(f"Error while closing socket for {spawned_interface}: {e}", RNS.LOG_ERROR)
+                                        except Exception as e: RNS.log(f"Error while closing socket for {spawned_interface}: {e}", RNS.LOG_WARNING)
                                         spawned_interface.receive(b"")
 
                                     spawned_interface.transmit_buffer = spawned_interface.transmit_buffer[written:]
-                                    if len(spawned_interface.transmit_buffer) == 0: BackboneInterface.epoll.modify(fileno, select.EPOLLIN)
+                                    try:
+                                        if len(spawned_interface.transmit_buffer) == 0: BackboneInterface.epoll.modify(fileno, select.EPOLLIN)
+                                    except Exception as e:
+                                        RNS.log(f"Error while setting EPOLLIN on {spawned_interface}: {e}", RNS.LOG_ERROR)
+
                                     spawned_interface.txb += written
                                     if spawned_interface.parent_interface: spawned_interface.parent_interface.txb += written
                                 
@@ -308,17 +372,24 @@ class BackboneInterface(Interface):
                             elif fileno in BackboneInterface.listener_filenos:
                                 owner_interface, server_socket = BackboneInterface.listener_filenos[fileno]
                                 if fileno == server_socket.fileno() and (event & select.EPOLLIN):
-                                    client_socket, address = server_socket.accept()
-                                    client_socket.setblocking(0)
-                                    if not owner_interface.incoming_connection(client_socket):
-                                        client_socket.close()
+                                    try:
+                                        client_socket, address = server_socket.accept()
+                                        client_socket.setblocking(0)
+                                        if not owner_interface.incoming_connection(client_socket):
+                                            try: client_socket.close()
+                                            except Exception as e: RNS.log(f"Error while closing socket for failed incoming connection: {e}", RNS.LOG_WARNING)
+
+                                    except:
+                                        RNS.log(f"Accepting socket failed for incoming connection: {e}", RNS.LOG_WARNING)
+                                        try: client_socket.close()
+                                        except Exception as e: RNS.log(f"Error while closing socket for failed incoming socket accept: {e}", RNS.LOG_WARNING)
                                 
                                 elif fileno == server_socket.fileno() and (event & select.EPOLLHUP):
                                     try: BackboneInterface.deregister_fileno(fileno)
                                     except Exception as e: RNS.log(f"Error while deregistering listener file descriptor {fileno}: {e}", RNS.LOG_ERROR)
 
                                     try: server_socket.close()
-                                    except Exception as e: RNS.log(f"Error while closing listener socket for {server_socket}: {e}", RNS.LOG_ERROR)
+                                    except Exception as e: RNS.log(f"Error while closing listener socket for {server_socket}: {e}", RNS.LOG_WARNING)
 
                 except Exception as e:
                     RNS.log(f"BackboneInterface error: {e}", RNS.LOG_ERROR)
@@ -329,48 +400,68 @@ class BackboneInterface(Interface):
     
     def incoming_connection(self, socket):
         RNS.log("Accepting incoming connection", RNS.LOG_VERBOSE)
-        spawned_configuration = {"name": "Client on "+self.name, "target_host": None, "target_port": None}
-        spawned_interface = BackboneClientInterface(self.owner, spawned_configuration, connected_socket=socket)
-        spawned_interface.OUT = self.OUT
-        spawned_interface.IN  = self.IN
-        spawned_interface.socket = socket
-        spawned_interface.target_ip = socket.getpeername()[0]
-        spawned_interface.target_port = str(socket.getpeername()[1])
-        spawned_interface.parent_interface = self
-        spawned_interface.bitrate = self.bitrate
-        spawned_interface.optimise_mtu()
-        
-        spawned_interface.ifac_size = self.ifac_size
-        spawned_interface.ifac_netname = self.ifac_netname
-        spawned_interface.ifac_netkey = self.ifac_netkey
-        if spawned_interface.ifac_netname != None or spawned_interface.ifac_netkey != None:
-            ifac_origin = b""
-            if spawned_interface.ifac_netname != None:
-                ifac_origin += RNS.Identity.full_hash(spawned_interface.ifac_netname.encode("utf-8"))
-            if spawned_interface.ifac_netkey != None:
-                ifac_origin += RNS.Identity.full_hash(spawned_interface.ifac_netkey.encode("utf-8"))
+        try:
+            spawned_configuration = {"name": "Client on "+self.name, "target_host": None, "target_port": None}
+            spawned_interface = BackboneClientInterface(self.owner, spawned_configuration, connected_socket=socket)
+            spawned_interface.OUT = self.OUT
+            spawned_interface.IN  = self.IN
 
-            ifac_origin_hash = RNS.Identity.full_hash(ifac_origin)
-            spawned_interface.ifac_key = RNS.Cryptography.hkdf(
-                length=64,
-                derive_from=ifac_origin_hash,
-                salt=RNS.Reticulum.IFAC_SALT,
-                context=None
-            )
-            spawned_interface.ifac_identity = RNS.Identity.from_bytes(spawned_interface.ifac_key)
-            spawned_interface.ifac_signature = spawned_interface.ifac_identity.sign(RNS.Identity.full_hash(spawned_interface.ifac_key))
+            spawned_interface.ingress_control = self.ingress_control
+            spawned_interface.ic_max_held_announces = self.ic_max_held_announces
+            spawned_interface.ic_burst_hold = self.ic_burst_hold
+            spawned_interface.ic_burst_freq = self.ic_burst_freq
+            spawned_interface.ic_burst_freq_new = self.ic_burst_freq_new
+            spawned_interface.ic_new_time = self.ic_new_time
+            spawned_interface.ic_burst_penalty = self.ic_burst_penalty
+            spawned_interface.ic_held_release_interval = self.ic_held_release_interval
 
-        spawned_interface.announce_rate_target = self.announce_rate_target
-        spawned_interface.announce_rate_grace = self.announce_rate_grace
-        spawned_interface.announce_rate_penalty = self.announce_rate_penalty
-        spawned_interface.mode = self.mode
-        spawned_interface.HW_MTU = self.HW_MTU
-        spawned_interface.online = True
-        RNS.log("Spawned new BackboneClient Interface: "+str(spawned_interface), RNS.LOG_VERBOSE)
-        RNS.Transport.interfaces.append(spawned_interface)
-        while spawned_interface in self.spawned_interfaces: self.spawned_interfaces.remove(spawned_interface)
-        self.spawned_interfaces.append(spawned_interface)
-        BackboneInterface.add_client_socket(socket, spawned_interface)
+            spawned_interface.egress_control = self.egress_control
+            spawned_interface.ec_pr_freq = self.ec_pr_freq
+            spawned_interface.ic_pr_burst_freq_new = self.ic_pr_burst_freq_new
+            spawned_interface.ic_pr_burst_freq = self.ic_pr_burst_freq
+            
+            spawned_interface.socket = socket
+            spawned_interface.target_ip = socket.getpeername()[0]
+            spawned_interface.target_port = str(socket.getpeername()[1])
+            spawned_interface.parent_interface = self
+            spawned_interface.bitrate = self.bitrate
+            spawned_interface.optimise_mtu()
+            
+            spawned_interface.ifac_size = self.ifac_size
+            spawned_interface.ifac_netname = self.ifac_netname
+            spawned_interface.ifac_netkey = self.ifac_netkey
+            if spawned_interface.ifac_netname != None or spawned_interface.ifac_netkey != None:
+                ifac_origin = b""
+                if spawned_interface.ifac_netname != None:
+                    ifac_origin += RNS.Identity.full_hash(spawned_interface.ifac_netname.encode("utf-8"))
+                if spawned_interface.ifac_netkey != None:
+                    ifac_origin += RNS.Identity.full_hash(spawned_interface.ifac_netkey.encode("utf-8"))
+
+                ifac_origin_hash = RNS.Identity.full_hash(ifac_origin)
+                spawned_interface.ifac_key = RNS.Cryptography.hkdf(
+                    length=64,
+                    derive_from=ifac_origin_hash,
+                    salt=RNS.Reticulum.IFAC_SALT,
+                    context=None
+                )
+                spawned_interface.ifac_identity = RNS.Identity.from_bytes(spawned_interface.ifac_key)
+                spawned_interface.ifac_signature = spawned_interface.ifac_identity.sign(RNS.Identity.full_hash(spawned_interface.ifac_key))
+
+            spawned_interface.announce_rate_target = self.announce_rate_target
+            spawned_interface.announce_rate_grace = self.announce_rate_grace
+            spawned_interface.announce_rate_penalty = self.announce_rate_penalty
+            spawned_interface.mode = self.mode
+            spawned_interface.HW_MTU = self.HW_MTU
+            spawned_interface.online = True
+            RNS.log("Spawned new BackboneClient Interface: "+str(spawned_interface), RNS.LOG_VERBOSE)
+            RNS.Transport.add_interface(spawned_interface)
+            while spawned_interface in self.spawned_interfaces: self.spawned_interfaces.remove(spawned_interface)
+            self.spawned_interfaces.append(spawned_interface)
+            BackboneInterface.add_client_socket(socket, spawned_interface)
+
+        except Exception as e:
+            RNS.log(f"An error occurred while accepting incoming connection on {self}: {e}", RNS.LOG_ERROR)
+            return False
 
         return True
 
@@ -380,6 +471,12 @@ class BackboneInterface(Interface):
     def sent_announce(self, from_spawned=False):
         if from_spawned: self.oa_freq_deque.append(time.time())
 
+    def received_path_request(self, from_spawned=False):
+        if from_spawned: self.ip_freq_deque.append(time.time())
+
+    def sent_path_request(self, from_spawned=False):
+        if from_spawned: self.op_freq_deque.append(time.time())
+
     def process_outgoing(self, data):
         pass
 
@@ -393,7 +490,9 @@ class BackboneInterface(Interface):
                 if hasattr(listener_socket, "shutdown"):
                     if callable(listener_socket.shutdown):
                         try: listener_socket.shutdown(socket.SHUT_RDWR)
-                        except Exception as e: RNS.log("Error while shutting down socket for "+str(self)+": "+str(e), RNS.LOG_ERROR)
+                        except Exception as e:
+                            if str(e).endswith("Transport endpoint is not connected"): pass
+                            else: RNS.log("Error while shutting down socket for "+str(self)+": "+str(e), RNS.LOG_ERROR)
 
     def __str__(self):
         if ":" in self.bind_ip:
@@ -508,7 +607,9 @@ class BackboneClientInterface(Interface):
                     
                     try:
                         if self.socket != None: self.socket.shutdown(socket.SHUT_RDWR)
-                    except Exception as e: RNS.log("Error while shutting down socket for "+str(self)+": "+str(e), RNS.LOG_ERROR)
+                    except Exception as e:
+                        if str(e).endswith("Transport endpoint is not connected"): pass
+                        else: RNS.log("Error while shutting down socket for "+str(self)+": "+str(e), RNS.LOG_ERROR)
 
                     try:
                         if self.socket != None: self.socket.close()
@@ -546,8 +647,8 @@ class BackboneClientInterface(Interface):
         
         except Exception as e:
             if initial:
-                RNS.log("Initial connection for "+str(self)+" could not be established: "+str(e), RNS.LOG_ERROR)
-                RNS.log("Leaving unconnected and retrying connection in "+str(BackboneClientInterface.RECONNECT_WAIT)+" seconds.", RNS.LOG_ERROR)
+                RNS.log("Initial connection for "+str(self)+" could not be established: "+str(e), RNS.LOG_WARNING)
+                RNS.log("Leaving unconnected and retrying connection in "+str(BackboneClientInterface.RECONNECT_WAIT)+" seconds.", RNS.LOG_WARNING)
                 return False
             
             else:
@@ -565,21 +666,21 @@ class BackboneClientInterface(Interface):
             if not self.reconnecting:
                 self.reconnecting = True
                 attempts = 0
-                while not self.online:
+                while not self.online and not self.detached:
                     time.sleep(BackboneClientInterface.RECONNECT_WAIT)
                     attempts += 1
 
                     if self.max_reconnect_tries != None and attempts > self.max_reconnect_tries:
-                        RNS.log("Max reconnection attempts reached for "+str(self), RNS.LOG_ERROR)
+                        RNS.log("Max reconnection attempts reached for "+str(self), RNS.LOG_WARNING)
                         self.teardown()
                         break
 
-                    try:
-                        self.connect()
-
+                    try: self.connect()
                     except Exception as e:
                         RNS.log("Connection attempt for "+str(self)+" failed: "+str(e), RNS.LOG_DEBUG)
 
+                if not self.online: return
+
                 if not self.never_connected:
                     RNS.log("Reconnected socket for "+str(self)+".", RNS.LOG_INFO)
 
@@ -634,9 +735,10 @@ class BackboneClientInterface(Interface):
                 self.online = False
                 if self.initiator and not self.detached:
                     RNS.log("The socket for "+str(self)+" was closed, attempting to reconnect...", RNS.LOG_WARNING)
-                    self.reconnect()
+                    def job(): self.reconnect()
+                    threading.Thread(target=job, daemon=True).start()
                 else:
-                    RNS.log("The socket for remote client "+str(self)+" was closed.", RNS.LOG_VERBOSE)
+                    RNS.log("The socket for remote client "+str(self)+" was closed.", RNS.LOG_DEBUG)
                     self.teardown()
                 
         except Exception as e:
@@ -645,7 +747,8 @@ class BackboneClientInterface(Interface):
 
             if self.initiator:
                 RNS.log("Attempting to reconnect...", RNS.LOG_WARNING)
-                self.reconnect()
+                def job(): self.reconnect()
+                threading.Thread(target=job, daemon=True).start()
             else:
                 self.teardown()
 
@@ -666,9 +769,8 @@ class BackboneClientInterface(Interface):
             while self in self.parent_interface.spawned_interfaces:
                 self.parent_interface.spawned_interfaces.remove(self)
 
-        if self in RNS.Transport.interfaces:
-            if not self.initiator:
-                RNS.Transport.interfaces.remove(self)
+        if not self.initiator:
+            RNS.Transport.remove_interface(self)
 
 
     def __str__(self):

RNS/Interfaces/I2PInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -818,9 +826,8 @@ class I2PInterfacePeer(Interface):
             while self in self.parent_interface.spawned_interfaces:
                 self.parent_interface.spawned_interfaces.remove(self)
 
-        if self in RNS.Transport.interfaces:
-            if not self.initiator:
-                RNS.Transport.interfaces.remove(self)
+        if not self.initiator:
+            RNS.Transport.remove_interface(self)
 
 
     def __str__(self):
@@ -872,6 +879,7 @@ class I2PInterface(Interface):
         self.ifac_size = ifac_size
         self.ifac_netname = ifac_netname
         self.ifac_netkey = ifac_netkey
+        self.supports_discovery = True
 
         self.online = False
 
@@ -931,7 +939,7 @@ class I2PInterface(Interface):
                 peer_interface.IN  = True
                 peer_interface.parent_interface = self
                 peer_interface.parent_count = False
-                RNS.Transport.interfaces.append(peer_interface)
+                RNS.Transport.add_interface(peer_interface)
 
     def incoming_connection(self, handler):
         RNS.log("Accepting incoming I2P connection", RNS.LOG_VERBOSE)
@@ -939,6 +947,21 @@ class I2PInterface(Interface):
         spawned_interface = I2PInterfacePeer(self, self.owner, interface_name, connected_socket=handler.request)
         spawned_interface.OUT = True
         spawned_interface.IN  = True
+
+        spawned_interface.ingress_control = self.ingress_control
+        spawned_interface.ic_max_held_announces = self.ic_max_held_announces
+        spawned_interface.ic_burst_hold = self.ic_burst_hold
+        spawned_interface.ic_burst_freq = self.ic_burst_freq
+        spawned_interface.ic_burst_freq_new = self.ic_burst_freq_new
+        spawned_interface.ic_new_time = self.ic_new_time
+        spawned_interface.ic_burst_penalty = self.ic_burst_penalty
+        spawned_interface.ic_held_release_interval = self.ic_held_release_interval
+
+        spawned_interface.egress_control = self.egress_control
+        spawned_interface.ec_pr_freq = self.ec_pr_freq
+        spawned_interface.ic_pr_burst_freq_new = self.ic_pr_burst_freq_new
+        spawned_interface.ic_pr_burst_freq = self.ic_pr_burst_freq
+        
         spawned_interface.parent_interface = self
         spawned_interface.online = True
         spawned_interface.bitrate = self.bitrate
@@ -969,7 +992,7 @@ class I2PInterface(Interface):
         spawned_interface.mode = self.mode
         spawned_interface.HW_MTU = self.HW_MTU
         RNS.log("Spawned new I2PInterface Peer: "+str(spawned_interface), RNS.LOG_VERBOSE)
-        RNS.Transport.interfaces.append(spawned_interface)
+        RNS.Transport.add_interface(spawned_interface)
         while spawned_interface in self.spawned_interfaces:
             self.spawned_interfaces.remove(spawned_interface)
         self.spawned_interfaces.append(spawned_interface)
@@ -984,6 +1007,12 @@ class I2PInterface(Interface):
     def sent_announce(self, from_spawned=False):
         if from_spawned: self.oa_freq_deque.append(time.time())
 
+    def received_path_request(self, from_spawned=False):
+        if from_spawned: self.ip_freq_deque.append(time.time())
+
+    def sent_path_request(self, from_spawned=False):
+        if from_spawned: self.op_freq_deque.append(time.time())
+
     def detach(self):
         RNS.log("Detaching "+str(self), RNS.LOG_DEBUG)
         self.i2p.stop()

RNS/Interfaces/Interface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -47,8 +55,15 @@ class Interface:
 
     # How many samples to use for announce
     # frequency calculations
-    IA_FREQ_SAMPLES     = 6
-    OA_FREQ_SAMPLES     = 6
+    IA_FREQ_SAMPLES     = 48
+    OA_FREQ_SAMPLES     = 48
+    IP_FREQ_SAMPLES     = 48
+    OP_FREQ_SAMPLES     = 48
+
+    AR_MINFREQ_HZ       = 0.1
+    PR_MINFREQ_HZ       = 0.1
+    AR_FREQ_DECAY       = 1/AR_MINFREQ_HZ
+    PR_FREQ_DECAY       = 1/PR_MINFREQ_HZ
 
     # Maximum amount of ingress limited announces
     # to hold at any given time.
@@ -58,11 +73,22 @@ class Interface:
     # considered to be newly created. Two
     # hours by default.
     IC_NEW_TIME              = 2*60*60
-    IC_BURST_FREQ_NEW        = 3.5
-    IC_BURST_FREQ            = 12
-    IC_BURST_HOLD            = 1*60
-    IC_BURST_PENALTY         = 5*60
-    IC_HELD_RELEASE_INTERVAL = 30
+    IC_BURST_FREQ_NEW        = 3
+    IC_BURST_FREQ            = 10
+    IC_PR_BURST_FREQ_NEW     = 3
+    IC_PR_BURST_FREQ         = 8
+    IC_BURST_HOLD            = 15
+    IC_BURST_PENALTY         = 15
+    IC_HELD_RELEASE_INTERVAL = 5
+    IC_DEQUE_MIN_SAMPLE      = 2
+    IC_BURST_MIN_SAMPLES     = 6
+    EC_PR_FREQ               = 5
+    EGRESS_CONTROL           = False
+
+    # Default announce rate targets
+    DEFAULT_AR_TARGET        = 3600
+    DEFAULT_AR_PENALTY       = 0
+    DEFAULT_AR_GRACE         = 5
 
     AUTOCONFIGURE_MTU = False
     FIXED_MTU         = False
@@ -76,24 +102,38 @@ class Interface:
         self.bitrate  = 62500
         self.HW_MTU   = None
 
-        self.parent_interface = None
-        self.spawned_interfaces = None
-        self.tunnel_id = None
-        self.ingress_control = True
-        self.ic_max_held_announces = Interface.MAX_HELD_ANNOUNCES
-        self.ic_burst_hold = Interface.IC_BURST_HOLD
-        self.ic_burst_active = False
-        self.ic_burst_activated = 0
-        self.ic_held_release = 0
-        self.ic_burst_freq_new = Interface.IC_BURST_FREQ_NEW
-        self.ic_burst_freq = Interface.IC_BURST_FREQ
-        self.ic_new_time = Interface.IC_NEW_TIME
-        self.ic_burst_penalty = Interface.IC_BURST_PENALTY
-        self.ic_held_release_interval = Interface.IC_HELD_RELEASE_INTERVAL
-        self.held_announces = {}
+        self.supports_discovery       = False
+        self.discoverable             = False
+        self.last_discovery_announce  = 0
+        self.bootstrap_only           = False
+        self.parent_interface         = None
+        self.spawned_interfaces       = None
+        self.tunnel_id                = None
+        self.ingress_control          = True
+        self.phy_keepalive            = False
+        
+        self.ic_burst_active          = False
+        self.ic_burst_activated       = 0
+        self.ic_pr_burst_active       = False
+        self.ic_pr_burst_activated    = 0
+        self.ic_held_release          = 0
+        self.ic_max_held_announces    = RNS.Reticulum.get_instance()._default_ic_max_held_announces()
+        self.ic_burst_hold            = RNS.Reticulum.get_instance()._default_ic_burst_hold()
+        self.ic_burst_freq_new        = RNS.Reticulum.get_instance()._default_ic_burst_freq_new()
+        self.ic_burst_freq            = RNS.Reticulum.get_instance()._default_ic_burst_freq()
+        self.ic_pr_burst_freq_new     = RNS.Reticulum.get_instance()._default_ic_pr_burst_freq_new()
+        self.ic_pr_burst_freq         = RNS.Reticulum.get_instance()._default_ic_pr_burst_freq()
+        self.ic_new_time              = RNS.Reticulum.get_instance()._default_ic_new_time()
+        self.ic_burst_penalty         = RNS.Reticulum.get_instance()._default_ic_burst_penalty()
+        self.ic_held_release_interval = RNS.Reticulum.get_instance()._default_ic_held_release_interval()
+        self.ec_pr_freq               = RNS.Reticulum.get_instance()._default_ec_pr_freq()
+        self.egress_control           = RNS.Reticulum.get_instance()._default_egress_control()
+        self.held_announces           = {}
 
         self.ia_freq_deque = deque(maxlen=Interface.IA_FREQ_SAMPLES)
         self.oa_freq_deque = deque(maxlen=Interface.OA_FREQ_SAMPLES)
+        self.ip_freq_deque = deque(maxlen=Interface.IA_FREQ_SAMPLES)
+        self.op_freq_deque = deque(maxlen=Interface.OA_FREQ_SAMPLES)
 
     def get_hash(self):
         return RNS.Identity.full_hash(str(self).encode("utf-8"))
@@ -109,48 +149,78 @@ class Interface:
 
             if self.ic_burst_active:
                 if ia_freq < freq_threshold and time.time() > self.ic_burst_activated+self.ic_burst_hold:
-                    self.ic_burst_active = False
-                    self.ic_held_release = time.time() + self.ic_burst_penalty
+                    if len(self.ia_freq_deque) >= self.IC_BURST_MIN_SAMPLES: self.ic_burst_active = False
+
                 return True
 
             else:
                 if ia_freq > freq_threshold:
                     self.ic_burst_active = True
                     self.ic_burst_activated = time.time()
+                    self.ic_held_release = time.time() + self.ic_burst_penalty
                     return True
 
-                else:
-                    return False
+                else: return False
 
-        else:
-            return False
+        else: return False
+
+    def should_ingress_limit_pr(self):
+        if self.ingress_control:
+            freq_threshold = self.ic_pr_burst_freq_new if self.age() < self.ic_new_time else self.ic_pr_burst_freq
+            ip_freq = self.incoming_pr_frequency()
+
+            if self.ic_pr_burst_active:
+                if ip_freq < freq_threshold and time.time() > self.ic_pr_burst_activated+self.ic_burst_hold:
+                    self.ic_pr_burst_active = False
+
+                return True
+
+            else:
+                if ip_freq > freq_threshold:
+                    self.ic_pr_burst_active = True
+                    self.ic_pr_burst_activated = time.time()
+                    return True
+
+                else: return False
+
+        else: return False
+
+    def should_egress_limit_pr(self):
+        if self.egress_control:
+            freq_threshold = self.ec_pr_freq
+            op_freq = self.outgoing_pr_frequency()
+
+            if op_freq > freq_threshold:
+                if len(self.op_freq_deque) >= self.IC_BURST_MIN_SAMPLES: return True
+            
+        return False
 
     def optimise_mtu(self):
         if self.AUTOCONFIGURE_MTU:
-            if self.bitrate   > 500_000_000:
+            if self.bitrate   >= 1_000_000_000:
                 self.HW_MTU = 524288
-            elif self.bitrate > 16_000_000:
+            elif self.bitrate > 750_000_000:
                 self.HW_MTU = 262144
-            elif self.bitrate > 8_000_000:
+            elif self.bitrate > 400_000_000:
                 self.HW_MTU = 131072
-            elif self.bitrate > 4_000_000:
+            elif self.bitrate > 200_000_000:
                 self.HW_MTU = 65536
-            elif self.bitrate > 2_000_000:
+            elif self.bitrate > 100_000_000:
                 self.HW_MTU = 32768
-            elif self.bitrate > 1_000_000:
+            elif self.bitrate > 10_000_000:
                 self.HW_MTU = 16384
-            elif self.bitrate > 500_000:
+            elif self.bitrate > 5_000_000:
                 self.HW_MTU = 8192
-            elif self.bitrate > 250_000:
+            elif self.bitrate > 2_000_000:
                 self.HW_MTU = 4096
-            elif self.bitrate > 125_000:
+            elif self.bitrate > 1_000_000:
                 self.HW_MTU = 2048
             elif self.bitrate > 62_500:
                 self.HW_MTU = 1024
             else:
                 self.HW_MTU = None
 
-        RNS.log(f"{self} hardware MTU set to {self.HW_MTU}", RNS.LOG_DEBUG) # TODO: Remove debug
+        RNS.log(f"{self} hardware MTU set to {self.HW_MTU}", RNS.LOG_DEBUG)
 
     def age(self):
         return time.time()-self.created
@@ -163,7 +233,7 @@ class Interface:
 
     def process_held_announces(self):
         try:
-            if not self.should_ingress_limit() and len(self.held_announces) > 0 and time.time() > self.ic_held_release:
+            if len(self.held_announces) > 0 and time.time() > self.ic_held_release:
                 freq_threshold = self.ic_burst_freq_new if self.age() < self.ic_new_time else self.ic_burst_freq
                 ia_freq = self.incoming_announce_frequency()
                 if ia_freq < freq_threshold:
@@ -179,8 +249,7 @@ class Interface:
                         RNS.log("Releasing held announce packet "+str(selected_announce_packet)+" from "+str(self), RNS.LOG_EXTREME)
                         self.ic_held_release = time.time() + self.ic_held_release_interval
                         self.held_announces.pop(selected_announce_packet.destination_hash)
-                        def release():
-                            RNS.Transport.inbound(selected_announce_packet.raw, selected_announce_packet.receiving_interface)
+                        def release(): RNS.Transport.inbound(selected_announce_packet.raw, selected_announce_packet.receiving_interface)
                         threading.Thread(target=release, daemon=True).start()
         
         except Exception as e:
@@ -197,39 +266,59 @@ class Interface:
         if hasattr(self, "parent_interface") and self.parent_interface != None:
             self.parent_interface.sent_announce(from_spawned=True)
 
-    def incoming_announce_frequency(self):
-        if not len(self.ia_freq_deque) > 1:
-            return 0
-        else:
-            dq_len = len(self.ia_freq_deque)
-            delta_sum = 0
-            for i in range(1,dq_len):
-                delta_sum += self.ia_freq_deque[i]-self.ia_freq_deque[i-1]
-            delta_sum += time.time() - self.ia_freq_deque[dq_len-1]
-            
-            if delta_sum == 0:
-                avg = 0
-            else:
-                avg = 1/(delta_sum/(dq_len))
+    def received_path_request(self, from_spawned=False):
+        self.ip_freq_deque.append(time.time())
+        if hasattr(self, "parent_interface") and self.parent_interface != None:
+            self.parent_interface.received_path_request(from_spawned=True)
 
-            return avg
+    def sent_path_request(self, from_spawned=False):
+        self.op_freq_deque.append(time.time())
+        if hasattr(self, "parent_interface") and self.parent_interface != None:
+            self.parent_interface.sent_path_request(from_spawned=True)
+
+    def incoming_announce_frequency(self):
+        n = len(self.ia_freq_deque)
+        if not n > self.IC_DEQUE_MIN_SAMPLE: return 0
+        else:
+            oldest = self.ia_freq_deque[0]
+            span = time.time() - oldest
+            if span > self.AR_FREQ_DECAY: self.ia_freq_deque.popleft()
+            if span <= 0: return 0
+            hz = n / span
+            return hz
 
     def outgoing_announce_frequency(self):
-        if not len(self.oa_freq_deque) > 1:
-            return 0
+        n = len(self.oa_freq_deque)
+        if not len(self.oa_freq_deque) > 1: return 0
         else:
-            dq_len = len(self.oa_freq_deque)
-            delta_sum = 0
-            for i in range(1,dq_len):
-                delta_sum += self.oa_freq_deque[i]-self.oa_freq_deque[i-1]
-            delta_sum += time.time() - self.oa_freq_deque[dq_len-1]
-            
-            if delta_sum == 0:
-                avg = 0
-            else:
-                avg = 1/(delta_sum/(dq_len))
+            oldest = self.oa_freq_deque[0]
+            span   = time.time() - oldest
+            if span > self.AR_FREQ_DECAY: self.oa_freq_deque.popleft()
+            if span <= 0: return 0
+            hz = n / span
+            return hz
 
-            return avg
+    def incoming_pr_frequency(self):
+        n = len(self.ip_freq_deque)
+        if not n > self.IC_DEQUE_MIN_SAMPLE: return 0
+        else:
+            oldest = self.ip_freq_deque[0]
+            span = time.time() - oldest
+            if span > self.PR_FREQ_DECAY: self.ip_freq_deque.popleft()
+            if span <= 0: return 0
+            hz = n / span
+            return hz
+
+    def outgoing_pr_frequency(self):
+        n = len(self.op_freq_deque)
+        if not len(self.op_freq_deque) > 1: return 0
+        else:
+            oldest = self.op_freq_deque[0]
+            span   = time.time() - oldest
+            if span > self.PR_FREQ_DECAY: self.op_freq_deque.popleft()
+            if span <= 0: return 0
+            hz = n / span
+            return hz
 
     def process_announce_queue(self):
         if not hasattr(self, "announce_cap"):

RNS/Interfaces/KISSInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/LocalInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -54,6 +62,7 @@ class ThreadingTCPServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
 class LocalClientInterface(Interface):
     RECONNECT_WAIT = 8
     AUTOCONFIGURE_MTU = True
+    CLIENT_SLEEP_PAUSE_TIMEOUT = 12
 
     def __init__(self, owner, name, target_port = None, connected_socket=None, socket_path=None):
         super().__init__()
@@ -62,7 +71,7 @@ class LocalClientInterface(Interface):
         self.HW_MTU           = 262144
         self.online           = False
         
-        if socket_path != None and RNS.vendor.platformutils.use_af_unix(): self.socket_path = f"\0rns/{socket_path}"
+        if socket_path != None and RNS.Reticulum.get_instance().use_af_unix: self.socket_path = f"\0rns/{socket_path}"
         else: self.socket_path = None
         
         self.IN               = True
@@ -77,8 +86,9 @@ class LocalClientInterface(Interface):
         self.frame_buffer     = b""
         self.transmit_buffer  = b""
 
-        if RNS.vendor.platformutils.use_epoll():
-            self.epoll_backend = True
+        if RNS.vendor.platformutils.use_epoll(): self.epoll_backend = True
+
+        self.pause_on_client_sleep = False
 
         if connected_socket != None:
             self.receives    = True
@@ -91,6 +101,10 @@ class LocalClientInterface(Interface):
 
             self.is_connected_to_shared_instance = False
 
+            if RNS.vendor.platformutils.is_android():
+                self.pause_on_client_sleep = True
+                self.pause_timeout = time.time() + self.CLIENT_SLEEP_PAUSE_TIMEOUT
+
         elif self.socket_path != None:
             self.receives    = True
             self.target_ip   = None
@@ -137,6 +151,7 @@ class LocalClientInterface(Interface):
         self.is_connected_to_shared_instance = True
         self.never_connected = False
 
+        if RNS.vendor.platformutils.is_android(): self.phy_keepalive = True
         if self.epoll_backend: BackboneInterface.add_client_socket(self.socket, self)
 
         return True
@@ -177,17 +192,36 @@ class LocalClientInterface(Interface):
             raise IOError("Attempt to reconnect on a non-initiator local interface")
 
 
+    def send_keepalive(self):
+        if self.online:
+            RNS.log(f"Sending keepalive on {self}", RNS.LOG_DEBUG) # TODO: Remove
+            try:
+                if self.epoll_backend:
+                    self.transmit_buffer += bytes([HDLC.FLAG])+bytes([HDLC.FLAG])
+                    BackboneInterface.tx_ready(self)
+
+                else:
+                    self.writing = True
+                    data = bytes([HDLC.FLAG])+HDLC.escape(data)+bytes([HDLC.FLAG])
+                    self.socket.sendall(data)
+                    self.writing = False
+
+            except Exception as e: RNS.log(f"Exception occurred while sending keepalive on {self}: {e}", RNS.LOG_ERROR)
+
     def process_incoming(self, data):
         self.rxb += len(data)
         if self.parent_interface != None: self.parent_interface.rxb += len(data)
         
-        try:
-            self.owner.inbound(data, self)
+        try: self.owner.inbound(data, self)
         except Exception as e:
-            RNS.log(f"An error in the processing of an incoming frame for {self}: {e}", RNS.LOG_ERROR)
+            RNS.log(f"An error occurred in the processing of an incoming frame for {self}: {e}", RNS.LOG_ERROR)
             RNS.trace_exception(e)
 
     def process_outgoing(self, data):
+        if self.pause_on_client_sleep and time.time() > self.pause_timeout:
+            RNS.log(f"TX paused for LocalInterface client, dropping outbound packet", RNS.LOG_DEBUG) # TODO: Remove
+            return
+
         if self.online:
             try:
                 if self.epoll_backend:
@@ -230,13 +264,12 @@ class LocalClientInterface(Interface):
                     frame = self.frame_buffer[frame_start+1:frame_end]
                     frame = frame.replace(bytes([HDLC.ESC, HDLC.FLAG ^ HDLC.ESC_MASK]), bytes([HDLC.FLAG]))
                     frame = frame.replace(bytes([HDLC.ESC, HDLC.ESC  ^ HDLC.ESC_MASK]), bytes([HDLC.ESC]))
-                    if len(frame) > RNS.Reticulum.HEADER_MINSIZE:
-                        self.process_incoming(frame)
+                    if len(frame) > RNS.Reticulum.HEADER_MINSIZE: self.process_incoming(frame)
                     self.frame_buffer = self.frame_buffer[frame_end:]
-                else:
-                    flags_remaining = False
-            else:
-                flags_remaining = False
+                
+                else: flags_remaining = False
+            
+            else: flags_remaining = False
 
     def receive(self, data_in):
         try:
@@ -246,6 +279,9 @@ class LocalClientInterface(Interface):
                 if self.is_connected_to_shared_instance and not self.detached:
                     RNS.log("Socket for "+str(self)+" was closed, attempting to reconnect...", RNS.LOG_WARNING)
                     RNS.Transport.shared_connection_disappeared()
+                    # TODO: Potentially run this in a thread, but since if we get here,
+                    # there's no other connectivity left to block anyway, it might be
+                    # unnecessary.
                     self.reconnect()
                 else:
                     self.teardown(nowarning=True)
@@ -256,6 +292,8 @@ class LocalClientInterface(Interface):
             RNS.log("Tearing down "+str(self), RNS.LOG_ERROR)
             self.teardown()
 
+        if self.pause_on_client_sleep: self.pause_timeout = time.time() + self.CLIENT_SLEEP_PAUSE_TIMEOUT
+
     def read_loop(self):
         try:
             self.frame_buffer = b""
@@ -268,6 +306,9 @@ class LocalClientInterface(Interface):
                     if self.is_connected_to_shared_instance and not self.detached:
                         RNS.log("Socket for "+str(self)+" was closed, attempting to reconnect...", RNS.LOG_WARNING)
                         RNS.Transport.shared_connection_disappeared()
+                        # TODO: Potentially run this in a thread, but since if we get here,
+                        # there's no other connectivity left to block anyway, it might be
+                        # unnecessary.
                         self.reconnect()
                     else:
                         self.teardown(nowarning=True)
@@ -306,15 +347,15 @@ class LocalClientInterface(Interface):
         self.OUT = False
         self.IN = False
 
-        if self in RNS.Transport.interfaces:
-            RNS.Transport.interfaces.remove(self)
+        RNS.Transport.remove_interface(self)
 
         if self in RNS.Transport.local_client_interfaces:
             RNS.Transport.local_client_interfaces.remove(self)
             if hasattr(self, "parent_interface") and self.parent_interface != None:
                 self.parent_interface.clients -= 1
                 if hasattr(RNS.Transport, "owner") and RNS.Transport.owner != None:
-                    RNS.Transport.owner._should_persist_data()
+                    background = not self.detached
+                    RNS.Transport.owner._should_persist_data(background=background)
 
         if nowarning == False:
             RNS.log("The interface "+str(self)+" experienced an unrecoverable error and is being torn down. Restart Reticulum to attempt to open this interface again.", RNS.LOG_ERROR)
@@ -329,8 +370,8 @@ class LocalClientInterface(Interface):
 
 
     def __str__(self):
-        if self.socket_path: return "Shared Instance["+str(self.socket_path.replace("\0", ""))+"]"
-        else: return "Shared Instance["+str(self.target_port)+"]"
+        if self.socket_path: return "LocalInterface["+str(self.socket_path.replace("\0", ""))+"]"
+        else: return "LocalInterface["+str(self.target_port)+"]"
 
 
 class LocalServerInterface(Interface):
@@ -342,7 +383,7 @@ class LocalServerInterface(Interface):
         self.online = False
         self.clients = 0
         
-        if socket_path != None and RNS.vendor.platformutils.use_af_unix(): self.socket_path = f"\0rns/{socket_path}"
+        if socket_path != None and RNS.Reticulum.get_instance().use_af_unix: self.socket_path = f"\0rns/{socket_path}"
         else: self.socket_path = None
         
         self.IN  = True
@@ -416,7 +457,7 @@ class LocalServerInterface(Interface):
                 spawned_interface.socket_path = self.socket_path
 
             if hasattr(self, "_force_bitrate"): spawned_interface._force_bitrate = self._force_bitrate
-            RNS.Transport.interfaces.append(spawned_interface)
+            RNS.Transport.add_interface(spawned_interface)
             RNS.Transport.local_client_interfaces.append(spawned_interface)
             BackboneInterface.add_client_socket(client_socket, spawned_interface)
             self.clients += 1
@@ -432,7 +473,7 @@ class LocalServerInterface(Interface):
             spawned_interface.parent_interface = self
             spawned_interface.bitrate = self.bitrate
             if hasattr(self, "_force_bitrate"): spawned_interface._force_bitrate = self._force_bitrate
-            RNS.Transport.interfaces.append(spawned_interface)
+            RNS.Transport.add_interface(spawned_interface)
             RNS.Transport.local_client_interfaces.append(spawned_interface)
             self.clients += 1
             spawned_interface.read_loop()
@@ -446,6 +487,12 @@ class LocalServerInterface(Interface):
     def sent_announce(self, from_spawned=False):
         if from_spawned: self.oa_freq_deque.append(time.time())
 
+    def received_path_request(self, from_spawned=False):
+        if from_spawned: self.ip_freq_deque.append(time.time())
+
+    def sent_path_request(self, from_spawned=False):
+        if from_spawned: self.op_freq_deque.append(time.time())
+
     def __str__(self):
         if self.socket_path: return "Shared Instance["+str(self.socket_path.replace("\0", ""))+"]"
         else: return "Shared Instance["+str(self.bind_port)+"]"

RNS/Interfaces/PipeInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/RNodeInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -24,6 +32,7 @@ from RNS.Interfaces.Interface import Interface
 from time import sleep
 import sys
 import threading
+import socket
 import time
 import math
 import RNS
@@ -56,6 +65,7 @@ class KISS():
     CMD_STAT_PHYPRM = 0x26
     CMD_STAT_BAT    = 0x27
     CMD_STAT_CSMA   = 0x28
+    CMD_STAT_TEMP   = 0x29
     CMD_BLINK       = 0x30
     CMD_RANDOM      = 0x40
     CMD_FB_EXT      = 0x41
@@ -150,8 +160,11 @@ class RNodeInterface(Interface):
         lt_alock     = float(c["airtime_limit_long"]) if "airtime_limit_long" in c else None
 
         force_ble = False
-        ble_name = None
-        ble_addr = None
+        ble_name  = None
+        ble_addr  = None
+
+        force_tcp = False
+        tcp_host  = None
 
         port = c["port"] if "port" in c else None
 
@@ -159,6 +172,7 @@ class RNodeInterface(Interface):
             raise ValueError("No port specified for RNode interface")
 
         if port != None:
+            tcp_uri_scheme = "tcp://"
             ble_uri_scheme = "ble://"
             if port.lower().startswith(ble_uri_scheme):
                 force_ble = True
@@ -171,6 +185,13 @@ class RNodeInterface(Interface):
                 else:
                     ble_name = ble_string
 
+            elif port.lower().startswith(tcp_uri_scheme):
+                force_tcp = True
+                tcp_string = port[len(tcp_uri_scheme):]
+                port = None
+                if len(tcp_string) == 0: pass
+                else: tcp_host = tcp_string
+
         self.HW_MTU = 508
         
         self.pyserial    = serial
@@ -187,6 +208,14 @@ class RNodeInterface(Interface):
         self.reconnecting= False
         self.hw_errors   = []
 
+        self.use_tcp     = False
+        self.tcp         = None
+        self.tcp_host    = tcp_host
+        self.tcp_rx_queue= b""
+        self.tcp_tx_queue= b""
+        self.tcp_rx_lock = threading.Lock()
+        self.tcp_tx_lock = threading.Lock()
+
         self.use_ble     = False
         self.ble_name    = ble_name
         self.ble_addr    = ble_addr
@@ -205,6 +234,7 @@ class RNodeInterface(Interface):
         self.bitrate     = 0
         self.st_alock    = st_alock
         self.lt_alock    = lt_alock
+        self.cpu_temp    = None
         self.platform    = None
         self.display     = None
         self.mcu         = None
@@ -246,9 +276,12 @@ class RNodeInterface(Interface):
         self.r_csma_cw_max        = None
         self.r_current_rssi       = None
         self.r_noise_floor        = None
+        self.r_interference       = None
+        self.r_interference_l     = None
 
         self.r_battery_state = RNodeInterface.BATTERY_STATE_UNKNOWN
         self.r_battery_percent = 0
+        self.r_temperature = None
         self.r_framebuffer = b""
         self.r_framebuffer_readtime = 0
         self.r_framebuffer_latency = 0
@@ -263,16 +296,17 @@ class RNodeInterface(Interface):
         self.flow_control    = flow_control
         self.interface_ready = False
         self.announce_rate_target = None
+        self.supports_discovery = True
 
-        if force_ble or self.ble_addr != None or self.ble_name != None:
-            self.use_ble = True
+        if force_ble or self.ble_addr != None or self.ble_name != None: self.use_ble = True
+        if force_tcp or self.tcp_host != None:                          self.use_tcp = True
 
         self.validcfg  = True
         if (self.frequency < RNodeInterface.FREQ_MIN or self.frequency > RNodeInterface.FREQ_MAX):
             RNS.log("Invalid frequency configured for "+str(self), RNS.LOG_ERROR)
             self.validcfg = False
 
-        if (self.txpower < 0 or self.txpower > 22):
+        if (self.txpower < 0 or self.txpower > 37):
             RNS.log("Invalid TX power configured for "+str(self), RNS.LOG_ERROR)
             self.validcfg = False
 
@@ -314,10 +348,8 @@ class RNodeInterface(Interface):
         try:
             self.open_port()
 
-            if self.serial.is_open:
-                self.configure_device()
-            else:
-                raise IOError("Could not open serial port")
+            if self.serial.is_open: self.configure_device()
+            else: raise IOError("Could not open serial port")
 
         except Exception as e:
             RNS.log("Could not open serial port for interface "+str(self), RNS.LOG_ERROR)
@@ -330,8 +362,8 @@ class RNodeInterface(Interface):
 
 
     def open_port(self):
-        if not self.use_ble:
-            RNS.log("Opening serial port "+self.port+"...")
+        if not self.use_ble and not self.use_tcp:
+            RNS.log(f"Opening serial port {self.port}...")
             self.serial = self.pyserial.Serial(
                 port = self.port,
                 baudrate = self.speed,
@@ -347,19 +379,37 @@ class RNodeInterface(Interface):
             )
         
         else:
-            RNS.log(f"Opening BLE connection for {self}...")
-            if self.ble != None and self.ble.running == False:
-                self.ble.close()
-                self.ble.cleanup()
-                self.ble = None
+            if self.use_ble:
+                RNS.log(f"Opening BLE connection for {self}...")
+                self.timeout = 1250
+                if self.ble != None and self.ble.running == False:
+                    self.ble.close()
+                    self.ble.cleanup()
+                    self.ble = None
 
-            if self.ble == None:
-                self.ble = BLEConnection(owner=self, target_name=self.ble_name, target_bt_addr=self.ble_addr)
-                self.serial = self.ble
+                if self.ble == None:
+                    self.ble = BLEConnection(owner=self, target_name=self.ble_name, target_bt_addr=self.ble_addr)
+                    self.serial = self.ble
 
-            open_time = time.time()
-            while not self.ble.connected and time.time() < open_time + self.ble.CONNECT_TIMEOUT:
-                time.sleep(1)
+                open_time = time.time()
+                while not self.ble.connected and time.time() < open_time + self.ble.CONNECT_TIMEOUT:
+                    time.sleep(1)
+
+            if self.use_tcp:
+                self.timeout = 1500
+                RNS.log(f"Opening TCP connection for {self}...")
+                if self.tcp != None and self.tcp.running == False:
+                    self.tcp.close()
+                    self.tcp.cleanup()
+                    self.tcp = None
+
+                if self.tcp == None:
+                    self.tcp = TCPConnection(owner=self, target_host=self.tcp_host)
+                    self.serial = self.tcp
+
+                open_time = time.time()
+                while not self.tcp.connected and time.time() < open_time + self.tcp.CONNECT_TIMEOUT:
+                    time.sleep(1)
 
     def reset_radio_state(self):
         self.r_frequency = None
@@ -380,38 +430,41 @@ class RNodeInterface(Interface):
         thread.start()
 
         self.detect()
-        if not self.use_ble:
-            sleep(0.2)
-        else:
-            ble_detect_timeout = 5
+        if self.use_tcp:
+            tcp_detect_timeout = 5.0
             detect_time = time.time()
-            while not self.detected and time.time() < detect_time + ble_detect_timeout:
-                time.sleep(0.1)
-            if self.detected:
-                detect_time = RNS.prettytime(time.time()-detect_time)
-            else:
-                RNS.log(f"RNode detect timed out over {self.port}", RNS.LOG_ERROR)
+            while not self.detected and time.time() < detect_time + tcp_detect_timeout: time.sleep(0.1)
+            if not self.detected: RNS.log(f"RNode detect timed out over TCP", RNS.LOG_ERROR)
+        elif self.use_ble:
+            ble_detect_timeout = 5.0
+            detect_time = time.time()
+            while not self.detected and time.time() < detect_time + ble_detect_timeout: time.sleep(0.1)
+            if not self.detected: RNS.log(f"RNode detect timed out over BLE", RNS.LOG_ERROR)
+        else:
+            sleep(0.2)
         
         if not self.detected:
-            RNS.log("Could not detect device for "+str(self), RNS.LOG_ERROR)
+            RNS.log(f"Could not detect device for {self}", RNS.LOG_ERROR)
             self.serial.close()
+            
         else:
-            if self.platform == KISS.PLATFORM_ESP32 or self.platform == KISS.PLATFORM_NRF52:
-                self.display = True
+            if self.platform == KISS.PLATFORM_ESP32 or self.platform == KISS.PLATFORM_NRF52: self.display = True
 
-        RNS.log("Serial port "+self.port+" is now open")
-        RNS.log("Configuring RNode interface...", RNS.LOG_VERBOSE)
-        self.initRadio()
-        if (self.validateRadioState()):
-            self.interface_ready = True
-            RNS.log(str(self)+" is configured and powered up")
-            sleep(0.3)
-            self.online = True
-        else:
-            RNS.log("After configuring "+str(self)+", the reported radio parameters did not match your configuration.", RNS.LOG_ERROR)
-            RNS.log("Make sure that your hardware actually supports the parameters specified in the configuration", RNS.LOG_ERROR)
-            RNS.log("Aborting RNode startup", RNS.LOG_ERROR)
-            self.serial.close()
+            if   self.use_tcp: RNS.log(f"TCP connection to {self.tcp_host} is now open", RNS.LOG_VERBOSE)
+            elif self.use_ble: RNS.log(f"BLE connection to {self} is now open", RNS.LOG_VERBOSE)
+            else:              RNS.log(f"Serial port {self.port} is now open", RNS.LOG_VERBOSE)
+            RNS.log("Configuring RNode interface...", RNS.LOG_VERBOSE)
+            self.initRadio()
+            if (self.validateRadioState()):
+                self.interface_ready = True
+                RNS.log(str(self)+" is configured and powered up")
+                sleep(0.3)
+                self.online = True
+            else:
+                RNS.log("After configuring "+str(self)+", the reported radio parameters did not match your configuration.", RNS.LOG_ERROR)
+                RNS.log("Make sure that your hardware actually supports the parameters specified in the configuration", RNS.LOG_ERROR)
+                RNS.log("Aborting RNode startup", RNS.LOG_ERROR)
+                self.serial.close()
             
 
     def initRadio(self):
@@ -606,10 +659,9 @@ class RNodeInterface(Interface):
 
     def validateRadioState(self):
         RNS.log("Waiting for radio configuration validation for "+str(self)+"...", RNS.LOG_VERBOSE)
-        if self.use_ble:
-            sleep(1.00)
-        else:
-            sleep(0.25)
+        if self.use_ble: sleep(1.00)
+        elif self.use_tcp: sleep(1.5)
+        else: sleep(0.25)
 
         if self.use_ble and self.ble != None and self.ble.device_disappeared:
             RNS.log(f"Device disappeared during radio state validation for {self}", RNS.LOG_ERROR)
@@ -894,16 +946,35 @@ class RNodeInterface(Interface):
                                     self.r_channel_load_long  = cul/100.0
                                     self.r_current_rssi       = crs-RNodeInterface.RSSI_OFFSET
                                     self.r_noise_floor        = nfl-RNodeInterface.RSSI_OFFSET
+
+                                    # TODO: Remove debug
+                                    # interference_log_threshold = 10
+                                    # if ntf == 0xFF:
+                                    #     self.r_interference   = None
+                                    #     if self.r_noise_floor != None:
+                                    #         # Filter potential false interference events due to LNA recalibration
+                                    #         if self.r_interference_l != None:
+                                    #             if self.r_interference_l[1] < self.r_noise_floor+interference_log_threshold:
+                                    #                 self.r_interference_l = None
+                                    # else:
+                                    #     if self.r_noise_floor != None:
+                                    #         interference   = ntf-RNodeInterface.RSSI_OFFSET
+                                    #         # Filter potential false interference events due to LNA recalibration
+                                    #         if interference > self.r_noise_floor+interference_log_threshold:
+                                    #             self.r_interference   = ntf-RNodeInterface.RSSI_OFFSET
+                                    #             self.r_interference_l = [time.time(), self.r_interference]
+
                                     if ntf == 0xFF:
                                         self.r_interference   = None
                                     else:
                                         self.r_interference   = ntf-RNodeInterface.RSSI_OFFSET
+                                        self.r_interference_l = [time.time(), self.r_interference]
                                     
                                     if self.r_interference != None:
                                         RNS.log(f"{self} Radio detected interference at {self.r_interference} dBm", RNS.LOG_DEBUG)
 
                                     # TODO: Remove debug
-                                    # RNS.log(f"RSSI: {self.r_current_rssi}, Noise floor: {self.r_noise_floor}, Interference: {self.r_interference}", RNS.LOG_EXTREME)
+                                    # RNS.log(f"RSSI: {self.r_current_rssi}, Noise floor: {self.r_noise_floor}, Interference: {self.r_interference}", RNS.LOG_DEBUG)
                         elif (command == KISS.CMD_STAT_PHYPRM):
                             if (byte == KISS.FESC):
                                 escape = True
@@ -977,6 +1048,22 @@ class RNodeInterface(Interface):
                                         bat_percent = 0
                                     self.r_battery_state   = command_buffer[0]
                                     self.r_battery_percent = bat_percent
+                        elif (command == KISS.CMD_STAT_TEMP):
+                            if (byte == KISS.FESC):
+                                escape = True
+                            else:
+                                if (escape):
+                                    if (byte == KISS.TFEND):
+                                        byte = KISS.FEND
+                                    if (byte == KISS.TFESC):
+                                        byte = KISS.FESC
+                                    escape = False
+                                command_buffer = command_buffer+bytes([byte])
+                                if (len(command_buffer) == 1):
+                                    temp = command_buffer[0]-120
+                                    if temp >= -30 and temp <= 90: self.r_temperature = temp
+                                    else:                          self.r_temperature = None
+                                    self.cpu_temp = self.r_temperature
                         elif (command == KISS.CMD_RANDOM):
                             self.r_random = byte
                         elif (command == KISS.CMD_PLATFORM):
@@ -1046,7 +1133,7 @@ class RNodeInterface(Interface):
                 else:
                     time_since_last = int(time.time()*1000) - last_read_ms
                     if len(data_buffer) > 0 and time_since_last > self.timeout:
-                        RNS.log(str(self)+" serial read timeout in command "+str(command), RNS.LOG_WARNING)
+                        RNS.log(f"{self} device read timeout in command {command} after {RNS.prettytime(self.timeout/1000.0)}", RNS.LOG_WARNING)
                         data_buffer = b""
                         in_frame = False
                         command = KISS.CMD_UNKNOWN
@@ -1058,6 +1145,11 @@ class RNodeInterface(Interface):
                                 RNS.log("Interface "+str(self)+" is transmitting beacon data: "+str(self.id_callsign.decode("utf-8")), RNS.LOG_DEBUG)
                                 self.process_outgoing(self.id_callsign)
 
+                    if self.use_tcp:
+                        if self.tcp and self.tcp.connected:
+                            if time.time() > self.tcp.last_write + self.tcp.ACTIVITY_KEEPALIVE:
+                                self.detect()
+
                     sleep(0.08)
 
         except Exception as e:
@@ -1086,23 +1178,28 @@ class RNodeInterface(Interface):
                 time.sleep(5)
                 RNS.log("Attempting to reconnect serial port "+str(self.port)+" for "+str(self)+"...", RNS.LOG_VERBOSE)
                 self.open_port()
-                if self.serial.is_open:
-                    self.configure_device()
+                if self.serial.is_open: self.configure_device()
+            
             except Exception as e:
                 RNS.log("Error while reconnecting port, the contained exception was: "+str(e), RNS.LOG_ERROR)
 
         self.reconnecting = False
-        if self.online:
-            RNS.log("Reconnected serial port for "+str(self))
+        if self.online: RNS.log(f"Reconnected port for {self}")
 
     def detach(self):
         self.detached = True
-        self.disable_external_framebuffer()
-        self.setRadioState(KISS.RADIO_STATE_OFF)
-        self.leave()
+        try:
+            self.disable_external_framebuffer()
+            self.setRadioState(KISS.RADIO_STATE_OFF)
+            self.leave()
+
+        except Exception as e:
+            RNS.log(f"An error occurred while detaching {self}: {e}", RNS.LOG_ERROR)
         
-        if self.use_ble:
-            self.ble.close()
+        if self.use_ble: self.ble.close()
+        if self.use_tcp:
+            time.sleep(0.5)
+            self.tcp.close()
 
     def should_ingress_limit(self):
         return False
@@ -1123,6 +1220,17 @@ class RNodeInterface(Interface):
     def get_battery_percent(self):
         return self.r_battery_percent
 
+    def tcp_receive(self, data):
+        with self.tcp_rx_lock: self.tcp_rx_queue += data
+
+    def tcp_waiting(self): return len(self.tcp_tx_queue) > 0
+
+    def get_tcp_waiting(self, n):
+        with self.tcp_tx_lock:
+            data = self.tcp_tx_queue[:n]
+            self.tcp_tx_queue = self.tcp_tx_queue[n:]
+            return data
+
     def ble_receive(self, data):
         with self.ble_rx_lock:
             self.ble_rx_queue += data
@@ -1137,7 +1245,7 @@ class RNodeInterface(Interface):
             return data
 
     def __str__(self):
-        return "RNodeInterface["+str(self.name)+"]"
+        return f"RNodeInterface[{self.name}]"
 
 class BLEConnection():
     UART_SERVICE_UUID = "6E400001-B5A3-F393-E0A9-E50E24DCCA9E"
@@ -1316,3 +1424,136 @@ class BLEConnection():
             RNS.log(f"Error while determining device bond status for {device}, the contained exception was: {e}", RNS.LOG_ERROR)
 
         return False
+
+class TCPConnection():
+    TARGET_PORT = 7633
+    CONNECT_TIMEOUT = 5.0
+    INITIAL_CONNECT_TIMEOUT = 5.0
+    RECONNECT_WAIT = 4.0
+    ACTIVITY_TIMEOUT = 6.0
+    ACTIVITY_KEEPALIVE = ACTIVITY_TIMEOUT-2.5
+
+    TCP_USER_TIMEOUT = 24
+    TCP_PROBE_AFTER = 5
+    TCP_PROBE_INTERVAL = 2
+    TCP_PROBES = 12
+
+    @property
+    def is_open(self):
+        return self.connected
+
+    @property
+    def in_waiting(self):
+        buflen = len(self.owner.tcp_rx_queue)
+        return buflen > 0
+
+    def write(self, data_bytes):
+        if self.connected and self.socket:
+            with self.owner.tcp_tx_lock:
+                if len(self.owner.tcp_tx_queue) > 0:
+                    self.socket.sendall(self.owner.tcp_tx_queue)
+                    self.owner.tcp_tx_queue = b""
+
+            self.socket.sendall(data_bytes)
+            self.last_write = time.time()
+
+        else:
+            with self.owner.tcp_tx_lock: self.owner.tcp_tx_queue += data_bytes
+
+        return len(data_bytes)
+
+    def read(self, n):
+        with self.owner.tcp_rx_lock:
+            data = self.owner.tcp_rx_queue[:n]
+            self.owner.tcp_rx_queue = self.owner.tcp_rx_queue[n:]
+            return data
+
+    def close(self):
+        if self.connected:
+            RNS.log(f"Disconnecting TCP socket for {self.owner}", RNS.LOG_DEBUG)
+            self.must_disconnect = True
+            if self.socket: self.socket.close()
+
+    def __init__(self, owner=None, target_host=None):
+        self.owner = owner
+        self.target_host = target_host
+        self.connected = False
+        self.reconnecting = False
+        self.running = False
+        self.should_run = False
+        self.must_disconnect = False
+        self.connect_job_running = False
+        self.last_write = time.time()
+
+        self.should_run = True
+        self.connection_thread = threading.Thread(target=self.initial_connect, daemon=True).start()
+
+    def set_timeouts_linux(self):
+        self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_USER_TIMEOUT, int(self.TCP_USER_TIMEOUT * 1000))
+        self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
+        self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, int(self.TCP_PROBE_AFTER))
+        self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, int(self.TCP_PROBE_INTERVAL))
+        self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, int(self.TCP_PROBES))
+
+    def set_timeouts_osx(self):
+        if hasattr(socket, "TCP_KEEPALIVE"): TCP_KEEPIDLE = socket.TCP_KEEPALIVE
+        else: TCP_KEEPIDLE = 0x10
+        self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
+        self.socket.setsockopt(socket.IPPROTO_TCP, TCP_KEEPIDLE, int(self.TCP_PROBE_AFTER))
+
+    def cleanup(self):
+        try:
+            if self.socket: self.socket.close()
+        except Exception as e: RNS.log(f"Error while disconnecting TCP socket on cleanup for {self.owner}", RNS.LOG_ERROR)
+        self.should_run = False
+
+    def initial_connect(self):
+        if self.connect(initial=True): threading.Thread(target=self.read_loop, daemon=True).start()
+
+    def connect(self, initial=False):
+        try:
+            if initial:
+                RNS.log(f"Establishing TCP connection to device for {self.owner}...", RNS.LOG_DEBUG)
+
+            address_info = socket.getaddrinfo(self.target_host, self.TARGET_PORT, proto=socket.IPPROTO_TCP)[0]
+            address_family = address_info[0]
+            target_address = address_info[4]
+
+            self.socket = socket.socket(address_family, socket.SOCK_STREAM)
+            self.socket.settimeout(self.INITIAL_CONNECT_TIMEOUT)
+            self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
+            self.socket.connect(target_address)
+            self.socket.settimeout(None)
+            self.connected  = True
+            self.last_write = time.time()
+
+            RNS.log(f"TCP connection to device for {self.owner} established", RNS.LOG_DEBUG)
+
+            if RNS.vendor.platformutils.is_linux():    self.set_timeouts_linux()
+            elif RNS.vendor.platformutils.is_darwin(): self.set_timeouts_osx()
+
+            return True
+        
+        except Exception as e:
+            if initial:
+                RNS.log(f"TCP connection to device for {self.owner} could not be established: {e}", RNS.LOG_ERROR)
+                return False
+            
+            else: raise e
+
+    def read_loop(self):
+        try:
+            data_in = b""
+            while not self.must_disconnect:
+                if self.socket: data_in = self.socket.recv(4096)
+                else: data_in = b""
+
+                if len(data_in) > 0: self.owner.tcp_receive(data_in)
+                else:
+                    self.connected = False
+                    RNS.log(f"The TCP socket for {self} was closed", RNS.LOG_WARNING)
+                    break
+
+        except Exception as e:
+            self.connected = False
+            RNS.log(f"A TCP read error occurred for {self}, the contained exception was: {e}", RNS.LOG_WARNING)

RNS/Interfaces/RNodeMultiInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2024 Jacob Eva. Adapted from the RNodeInterface by Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -66,7 +74,7 @@ class KISS():
     CMD_FW_VERSION  = 0x50
     CMD_ROM_READ    = 0x51
     CMD_RESET       = 0x55
-    CMD_INTERFACES  = 0x64
+    CMD_INTERFACES  = 0x71
 
     CMD_INT0_DATA   = 0x00
     CMD_INT1_DATA   = 0x10
@@ -367,7 +375,7 @@ class RNodeMultiInterface(Interface):
                 interface.mode = self.mode
                 interface.HW_MTU = self.HW_MTU
                 interface.detected = True
-                RNS.Transport.interfaces.append(interface)
+                RNS.Transport.add_interface(interface)
                 RNS.log("Spawned new RNode subinterface: "+str(interface), RNS.LOG_VERBOSE)
 
                 self.clients += 1
@@ -541,6 +549,12 @@ class RNodeMultiInterface(Interface):
     def sent_announce(self, from_spawned=False):
         if from_spawned: self.oa_freq_deque.append(time.time())
 
+    def received_path_request(self, from_spawned=False):
+        if from_spawned: self.ip_freq_deque.append(time.time())
+
+    def sent_path_request(self, from_spawned=False):
+        if from_spawned: self.op_freq_deque.append(time.time())
+
     def readLoop(self):
         try:
             in_frame = False
@@ -895,8 +909,7 @@ class RNodeMultiInterface(Interface):
     def teardown_subinterfaces(self):
         for interface in self.subinterfaces:
             if interface != 0:
-                if interface in RNS.Transport.interfaces:
-                    RNS.Transport.interfaces.remove(interface)
+                RNS.Transport.remove_interface(interface)
                 self.subinterfaces[interface.index] = 0
 
     def should_ingress_limit(self):
@@ -985,7 +998,6 @@ class RNodeSubInterface(Interface):
         self.announce_rate_target = None
 
         self.mode = None
-        self.announce_cap = None
         self.bitrate = None
         self.ifac_size = None
 
@@ -1005,7 +1017,7 @@ class RNodeSubInterface(Interface):
             RNS.log("Invalid interface type configured for "+str(self), RNS.LOG_ERROR)
             self.validcfg = False
 
-        if (self.txpower < -9 or self.txpower > 27):
+        if (self.txpower < -9 or self.txpower > 37):
             RNS.log("Invalid TX power configured for "+str(self), RNS.LOG_ERROR)
             self.validcfg = False
 

RNS/Interfaces/SerialInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/TCPInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -99,8 +107,13 @@ class TCPClientInterface(Interface):
         i2p_tunneled = c.as_bool("i2p_tunneled") if "i2p_tunneled" in c else False
         connect_timeout = c.as_int("connect_timeout") if "connect_timeout" in c else None
         max_reconnect_tries = c.as_int("max_reconnect_tries") if "max_reconnect_tries" in c else None
+        fixed_mtu = c.as_int("fixed_mtu") if "fixed_mtu" in c else None
+        if fixed_mtu:
+            if fixed_mtu < RNS.Reticulum.MTU: raise ValueError(f"Configured MTU of {fixed_mtu} bytes is too small")
+            self.AUTOCONFIGURE_MTU = False
+            self.FIXED_MTU = True
         
-        self.HW_MTU           = TCPInterface.HW_MTU
+        self.HW_MTU           = TCPInterface.HW_MTU if not fixed_mtu else fixed_mtu
         self.IN               = True
         self.OUT              = False
         self.socket           = None
@@ -118,10 +131,9 @@ class TCPClientInterface(Interface):
         self.mode             = RNS.Interfaces.Interface.Interface.MODE_FULL
         self.bitrate          = TCPClientInterface.BITRATE_GUESS
         
-        if max_reconnect_tries == None:
-            self.max_reconnect_tries = TCPClientInterface.RECONNECT_MAX_TRIES
-        else:
-            self.max_reconnect_tries = max_reconnect_tries
+        self.supports_discovery = True
+        if max_reconnect_tries == None: self.max_reconnect_tries = TCPClientInterface.RECONNECT_MAX_TRIES
+        else: self.max_reconnect_tries = max_reconnect_tries
 
         if connected_socket != None:
             self.receives    = True
@@ -391,7 +403,7 @@ class TCPClientInterface(Interface):
                         RNS.log("The socket for "+str(self)+" was closed, attempting to reconnect...", RNS.LOG_WARNING)
                         self.reconnect()
                     else:
-                        RNS.log("The socket for remote client "+str(self)+" was closed.", RNS.LOG_VERBOSE)
+                        RNS.log("The socket for remote client "+str(self)+" was closed.", RNS.LOG_DEBUG)
                         self.teardown()
 
                     break
@@ -424,9 +436,8 @@ class TCPClientInterface(Interface):
             while self in self.parent_interface.spawned_interfaces:
                 self.parent_interface.spawned_interfaces.remove(self)
 
-        if self in RNS.Transport.interfaces:
-            if not self.initiator:
-                RNS.Transport.interfaces.remove(self)
+        if not self.initiator:
+            RNS.Transport.remove_interface(self)
 
 
     def __str__(self):
@@ -500,6 +511,7 @@ class TCPServerInterface(Interface):
         if port != None:
             bindport = port
 
+        self.supports_discovery = True
         self.HW_MTU = TCPInterface.HW_MTU
 
         self.online = False
@@ -566,6 +578,21 @@ class TCPServerInterface(Interface):
         spawned_interface = TCPClientInterface(self.owner, spawned_configuration, connected_socket=handler.request)
         spawned_interface.OUT = self.OUT
         spawned_interface.IN  = self.IN
+        
+        spawned_interface.ingress_control = self.ingress_control
+        spawned_interface.ic_max_held_announces = self.ic_max_held_announces
+        spawned_interface.ic_burst_hold = self.ic_burst_hold
+        spawned_interface.ic_burst_freq = self.ic_burst_freq
+        spawned_interface.ic_burst_freq_new = self.ic_burst_freq_new
+        spawned_interface.ic_new_time = self.ic_new_time
+        spawned_interface.ic_burst_penalty = self.ic_burst_penalty
+        spawned_interface.ic_held_release_interval = self.ic_held_release_interval
+
+        spawned_interface.egress_control = self.egress_control
+        spawned_interface.ec_pr_freq = self.ec_pr_freq
+        spawned_interface.ic_pr_burst_freq_new = self.ic_pr_burst_freq_new
+        spawned_interface.ic_pr_burst_freq = self.ic_pr_burst_freq
+
         spawned_interface.target_ip = handler.client_address[0]
         spawned_interface.target_port = str(handler.client_address[1])
         spawned_interface.parent_interface = self
@@ -599,7 +626,7 @@ class TCPServerInterface(Interface):
         spawned_interface.HW_MTU = self.HW_MTU
         spawned_interface.online = True
         RNS.log("Spawned new TCPClient Interface: "+str(spawned_interface), RNS.LOG_VERBOSE)
-        RNS.Transport.interfaces.append(spawned_interface)
+        RNS.Transport.add_interface(spawned_interface)
         while spawned_interface in self.spawned_interfaces:
             self.spawned_interfaces.remove(spawned_interface)
         self.spawned_interfaces.append(spawned_interface)
@@ -611,6 +638,12 @@ class TCPServerInterface(Interface):
     def sent_announce(self, from_spawned=False):
         if from_spawned: self.oa_freq_deque.append(time.time())
 
+    def received_path_request(self, from_spawned=False):
+        if from_spawned: self.ip_freq_deque.append(time.time())
+
+    def sent_path_request(self, from_spawned=False):
+        if from_spawned: self.op_freq_deque.append(time.time())
+
     def process_outgoing(self, data):
         pass
 

RNS/Interfaces/UDPInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/__init__.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/util/netinfo.py

@@ -1,7 +1,7 @@
 # MIT License
 #
-# Copyright (c) 2025 Mark Qvist
 # Copyright (c) 2014 Stefan C. Mueller
+# Copyright (c) 2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal

RNS/Link.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -32,6 +40,7 @@ import struct
 import math
 import time
 import RNS
+import io
 
 class LinkCallbacks:
     def __init__(self):
@@ -71,19 +80,23 @@ class Link:
     LINK_MTU_SIZE            = 3
     TRAFFIC_TIMEOUT_MIN_MS   = 5
     TRAFFIC_TIMEOUT_FACTOR   = 6
+    KEEPALIVE_MAX_RTT        = 1.75
     KEEPALIVE_TIMEOUT_FACTOR = 4
     """
     RTT timeout factor used in link timeout calculation.
     """
-    STALE_GRACE = 2
+    STALE_GRACE = 5
     """
     Grace period in seconds used in link timeout calculation.
     """
-    KEEPALIVE = 360
+    KEEPALIVE_MAX = 360
+    KEEPALIVE_MIN = 5
+    KEEPALIVE     = KEEPALIVE_MAX
     """
-    Interval for sending keep-alive packets on established links in seconds.
+    Default interval for sending keep-alive packets on established links in seconds.
     """
-    STALE_TIME = 2*KEEPALIVE
+    STALE_FACTOR = 2
+    STALE_TIME = STALE_FACTOR*KEEPALIVE
     """
     If no traffic or keep-alive packets are received within this period, the
     link will be marked as stale, and a final keep-alive packet will be sent.
@@ -92,39 +105,82 @@ class Link:
     and will be torn down.
     """
 
-    PENDING   = 0x00
-    HANDSHAKE = 0x01
-    ACTIVE    = 0x02
-    STALE     = 0x03
-    CLOSED    = 0x04
+    WATCHDOG_MAX_SLEEP  = 5
 
-    TIMEOUT            = 0x01
-    INITIATOR_CLOSED   = 0x02
-    DESTINATION_CLOSED = 0x03
+    PENDING             = 0x00
+    HANDSHAKE           = 0x01
+    ACTIVE              = 0x02
+    STALE               = 0x03
+    CLOSED              = 0x04
 
-    ACCEPT_NONE = 0x00
-    ACCEPT_APP  = 0x01
-    ACCEPT_ALL  = 0x02
+    TIMEOUT             = 0x01
+    INITIATOR_CLOSED    = 0x02
+    DESTINATION_CLOSED  = 0x03
+
+    ACCEPT_NONE         = 0x00
+    ACCEPT_APP          = 0x01
+    ACCEPT_ALL          = 0x02
     resource_strategies = [ACCEPT_NONE, ACCEPT_APP, ACCEPT_ALL]
 
+    MODE_AES128_CBC     = 0x00
+    MODE_AES256_CBC     = 0x01
+    MODE_AES256_GCM     = 0x02
+    MODE_OTP_RESERVED   = 0x03
+    MODE_PQ_RESERVED_1  = 0x04
+    MODE_PQ_RESERVED_2  = 0x05
+    MODE_PQ_RESERVED_3  = 0x06
+    MODE_PQ_RESERVED_4  = 0x07
+    ENABLED_MODES       = [MODE_AES256_CBC]
+    MODE_DEFAULT        =  MODE_AES256_CBC
+    MODE_DESCRIPTIONS   = {MODE_AES128_CBC: "AES_128_CBC",
+                           MODE_AES256_CBC: "AES_256_CBC",
+                           MODE_AES256_GCM: "MODE_AES256_GCM",
+                           MODE_OTP_RESERVED: "MODE_OTP_RESERVED",
+                           MODE_PQ_RESERVED_1: "MODE_PQ_RESERVED_1",
+                           MODE_PQ_RESERVED_2: "MODE_PQ_RESERVED_2",
+                           MODE_PQ_RESERVED_3: "MODE_PQ_RESERVED_3",
+                           MODE_PQ_RESERVED_4: "MODE_PQ_RESERVED_4"}
+
+    MTU_BYTEMASK        = 0x1FFFFF
+    MODE_BYTEMASK       = 0xE0
+
     @staticmethod
-    def mtu_bytes(mtu):
-        return struct.pack(">I", mtu & 0xFFFFFF)[1:]
+    def signalling_bytes(mtu, mode):
+        if not mode in Link.ENABLED_MODES: raise TypeError(f"Requested link mode {Link.MODE_DESCRIPTIONS[mode]} not enabled")
+        signalling_value = (mtu & Link.MTU_BYTEMASK)+(((mode<<5) & Link.MODE_BYTEMASK)<<16)
+        return struct.pack(">I", signalling_value)[1:]
 
     @staticmethod
     def mtu_from_lr_packet(packet):
         if len(packet.data) == Link.ECPUBSIZE+Link.LINK_MTU_SIZE:
-            return (packet.data[Link.ECPUBSIZE] << 16) + (packet.data[Link.ECPUBSIZE+1] << 8) + (packet.data[Link.ECPUBSIZE+2])
-        else:
-            return None
+            return (packet.data[Link.ECPUBSIZE] << 16) + (packet.data[Link.ECPUBSIZE+1] << 8) + (packet.data[Link.ECPUBSIZE+2]) & Link.MTU_BYTEMASK
+        else: return None
 
     @staticmethod
     def mtu_from_lp_packet(packet):
         if len(packet.data) == RNS.Identity.SIGLENGTH//8+Link.ECPUBSIZE//2+Link.LINK_MTU_SIZE:
             mtu_bytes = packet.data[RNS.Identity.SIGLENGTH//8+Link.ECPUBSIZE//2:RNS.Identity.SIGLENGTH//8+Link.ECPUBSIZE//2+Link.LINK_MTU_SIZE]
-            return (mtu_bytes[0] << 16) + (mtu_bytes[1] << 8) + (mtu_bytes[2])
-        else:
-            return None
+            return (mtu_bytes[0] << 16) + (mtu_bytes[1] << 8) + (mtu_bytes[2]) & Link.MTU_BYTEMASK
+        else: return None
+
+    @staticmethod
+    def mode_byte(mode):
+        if mode in Link.ENABLED_MODES: return (mode << 5) & Link.MODE_BYTEMASK
+        else: raise TypeError(f"Requested link mode {mode} not enabled")
+
+    @staticmethod
+    def mode_from_lr_packet(packet):
+        if len(packet.data) > Link.ECPUBSIZE:
+            mode = (packet.data[Link.ECPUBSIZE] & Link.MODE_BYTEMASK) >> 5
+            return mode
+        else: return Link.MODE_DEFAULT
+
+    @staticmethod
+    def mode_from_lp_packet(packet):
+        if len(packet.data) > RNS.Identity.SIGLENGTH//8+Link.ECPUBSIZE//2:
+            mode = packet.data[RNS.Identity.SIGLENGTH//8+Link.ECPUBSIZE//2] >> 5
+            return mode
+        else: return Link.MODE_DEFAULT
 
     @staticmethod
     def validate_request(owner, data, packet):
@@ -141,6 +197,11 @@ class Link:
                         RNS.trace_exception(e)
                         link.mtu = RNS.Reticulum.MTU
 
+                link.mode = Link.mode_from_lr_packet(packet)
+                
+                # TODO: Remove debug
+                RNS.log(f"Incoming link request with mode {Link.MODE_DESCRIPTIONS[link.mode]}", RNS.LOG_DEBUG)
+
                 link.update_mdu()
                 link.destination = packet.destination
                 link.establishment_timeout = Link.ESTABLISHMENT_TIMEOUT_PER_HOP * max(1, packet.hops) + Link.KEEPALIVE
@@ -169,9 +230,9 @@ class Link:
             return None
 
 
-    def __init__(self, destination=None, established_callback = None, closed_callback = None, owner=None, peer_pub_bytes = None, peer_sig_pub_bytes = None):
-        if destination != None and destination.type != RNS.Destination.SINGLE:
-            raise TypeError("Links can only be established to the \"single\" destination type")
+    def __init__(self, destination=None, established_callback=None, closed_callback=None, owner=None, peer_pub_bytes=None, peer_sig_pub_bytes=None, mode=MODE_DEFAULT):
+        if destination != None and destination.type != RNS.Destination.SINGLE: raise TypeError("Links can only be established to the \"single\" destination type")
+        self.mode = mode
         self.rtt = None
         self.mtu = RNS.Reticulum.MTU
         self.establishment_cost = 0
@@ -186,6 +247,7 @@ class Link:
         self.pending_requests   = []
         self.last_inbound = 0
         self.last_outbound = 0
+        self.last_keepalive = 0
         self.last_proof = 0
         self.last_data = 0
         self.tx = 0
@@ -244,12 +306,14 @@ class Link:
             self.set_link_closed_callback(closed_callback)
 
         if self.initiator:
-            link_mtu = b""
+            signalling_bytes = b""
             nh_hw_mtu = RNS.Transport.next_hop_interface_hw_mtu(destination.hash)
             if RNS.Reticulum.link_mtu_discovery() and nh_hw_mtu:
-                link_mtu = Link.mtu_bytes(nh_hw_mtu)
+                signalling_bytes = Link.signalling_bytes(nh_hw_mtu, self.mode)
                 RNS.log(f"Signalling link MTU of {RNS.prettysize(nh_hw_mtu)} for link", RNS.LOG_DEBUG) # TODO: Remove debug
-            self.request_data = self.pub_bytes+self.sig_pub_bytes+link_mtu
+            else: signalling_bytes = Link.signalling_bytes(RNS.Reticulum.MTU, self.mode)
+            RNS.log(f"Establishing link with mode {Link.MODE_DESCRIPTIONS[self.mode]}", RNS.LOG_DEBUG) # TODO: Remove debug
+            self.request_data = self.pub_bytes+self.sig_pub_bytes+signalling_bytes
             self.packet = RNS.Packet(destination, self.request_data, packet_type=RNS.Packet.LINKREQUEST)
             self.packet.pack()
             self.establishment_cost += len(self.packet.raw)
@@ -291,25 +355,25 @@ class Link:
             self.status = Link.HANDSHAKE
             self.shared_key = self.prv.exchange(self.peer_pub)
 
+            if   self.mode == Link.MODE_AES128_CBC: derived_key_length = 32
+            elif self.mode == Link.MODE_AES256_CBC: derived_key_length = 64
+            else: raise TypeError(f"Invalid link mode {self.mode} on {self}")
+
             self.derived_key = RNS.Cryptography.hkdf(
-                length=32,
+                length=derived_key_length,
                 derive_from=self.shared_key,
                 salt=self.get_salt(),
-                context=self.get_context(),
-            )
-        else:
-            RNS.log("Handshake attempt on "+str(self)+" with invalid state "+str(self.status), RNS.LOG_ERROR)
+                context=self.get_context())
+
+        else: RNS.log("Handshake attempt on "+str(self)+" with invalid state "+str(self.status), RNS.LOG_ERROR)
 
 
     def prove(self):
-        mtu_bytes = b""
-        if self.mtu != RNS.Reticulum.MTU:
-            mtu_bytes = Link.mtu_bytes(self.mtu)
-
-        signed_data = self.link_id+self.pub_bytes+self.sig_pub_bytes+mtu_bytes
+        signalling_bytes = Link.signalling_bytes(self.mtu, self.mode)
+        signed_data = self.link_id+self.pub_bytes+self.sig_pub_bytes+signalling_bytes
         signature = self.owner.identity.sign(signed_data)
 
-        proof_data = signature+self.pub_bytes+mtu_bytes
+        proof_data = signature+self.pub_bytes+signalling_bytes
         proof = RNS.Packet(self, proof_data, packet_type=RNS.Packet.PROOF, context=RNS.Packet.LRPROOF)
         proof.send()
         self.establishment_cost += len(proof.raw)
@@ -332,11 +396,14 @@ class Link:
     def validate_proof(self, packet):
         try:
             if self.status == Link.PENDING:
-                mtu_bytes = b""
+                signalling_bytes = b""
                 confirmed_mtu = None
+                mode = Link.mode_from_lp_packet(packet)
+                RNS.log(f"Validating link request proof with mode {Link.MODE_DESCRIPTIONS[mode]}", RNS.LOG_DEBUG) # TODO: Remove debug
+                if mode != self.mode: raise TypeError(f"Invalid link mode {mode} in link request proof")
                 if len(packet.data) == RNS.Identity.SIGLENGTH//8+Link.ECPUBSIZE//2+Link.LINK_MTU_SIZE:
                     confirmed_mtu = Link.mtu_from_lp_packet(packet)
-                    mtu_bytes = Link.mtu_bytes(confirmed_mtu)
+                    signalling_bytes = Link.signalling_bytes(confirmed_mtu, mode)
                     packet.data = packet.data[:RNS.Identity.SIGLENGTH//8+Link.ECPUBSIZE//2]
                     RNS.log(f"Destination confirmed link MTU of {RNS.prettysize(confirmed_mtu)}", RNS.LOG_DEBUG) # TODO: Remove debug
 
@@ -347,7 +414,7 @@ class Link:
                     self.handshake()
 
                     self.establishment_cost += len(packet.raw)
-                    signed_data = self.link_id+self.peer_pub_bytes+self.peer_sig_pub_bytes+mtu_bytes
+                    signed_data = self.link_id+self.peer_pub_bytes+self.peer_sig_pub_bytes+signalling_bytes
                     signature = packet.data[:RNS.Identity.SIGLENGTH//8]
                     
                     if self.destination.identity.validate(signature, signed_data):
@@ -363,11 +430,13 @@ class Link:
                         self.activated_at = time.time()
                         self.last_proof = self.activated_at
                         RNS.Transport.activate_link(self)
-                        RNS.log("Link "+str(self)+" established with "+str(self.destination)+", RTT is "+str(round(self.rtt, 3))+"s", RNS.LOG_DEBUG)
+                        RNS.log("Link "+str(self)+" established with "+str(self.destination)+", RTT is "+RNS.prettyshorttime(self.rtt), RNS.LOG_DEBUG)
                         
                         if self.rtt != None and self.establishment_cost != None and self.rtt > 0 and self.establishment_cost > 0:
                             self.establishment_rate = self.establishment_cost/self.rtt
 
+                        self.__update_keepalive()
+
                         rtt_data = umsgpack.packb(self.rtt)
                         rtt_packet = RNS.Packet(self, rtt_data, context=RNS.Packet.LRRTT)
                         rtt_packet.send()
@@ -475,6 +544,8 @@ class Link:
                 if self.rtt != None and self.establishment_cost != None and self.rtt > 0 and self.establishment_cost > 0:
                     self.establishment_rate = self.establishment_cost/self.rtt
 
+                self.__update_keepalive()
+
                 try:
                     if self.owner.callbacks.link_established != None:
                             self.owner.callbacks.link_established(self)
@@ -562,6 +633,12 @@ class Link:
         else:
             return None
 
+    def get_mode(self):
+        """
+        :returns: The mode of an established link.
+        """
+        return self.mode
+
     def get_salt(self):
         return self.link_id
 
@@ -611,23 +688,23 @@ class Link:
 
     def had_outbound(self, is_keepalive=False):
         self.last_outbound = time.time()
-        if not is_keepalive:
-            self.last_data = self.last_outbound
+        if not is_keepalive: self.last_data = self.last_outbound
+        else:                self.last_keepalive = self.last_outbound
+
+    def __teardown_packet(self):
+        teardown_packet = RNS.Packet(self, self.link_id, context=RNS.Packet.LINKCLOSE)
+        teardown_packet.send()
+        self.had_outbound()
 
     def teardown(self):
         """
         Closes the link and purges encryption keys. New keys will
         be used if a new link to the same destination is established.
         """
-        if self.status != Link.PENDING and self.status != Link.CLOSED:
-            teardown_packet = RNS.Packet(self, self.link_id, context=RNS.Packet.LINKCLOSE)
-            teardown_packet.send()
-            self.had_outbound()
+        if self.status != Link.PENDING and self.status != Link.CLOSED: self.__teardown_packet()
         self.status = Link.CLOSED
-        if self.initiator:
-            self.teardown_reason = Link.INITIATOR_CLOSED
-        else:
-            self.teardown_reason = Link.DESTINATION_CLOSED
+        if self.initiator: self.teardown_reason = Link.INITIATOR_CLOSED
+        else: self.teardown_reason = Link.DESTINATION_CLOSED
         self.link_closed()
 
     def teardown_packet(self, packet):
@@ -645,12 +722,9 @@ class Link:
             pass
 
     def link_closed(self):
-        for resource in self.incoming_resources:
-            resource.cancel()
-        for resource in self.outgoing_resources:
-            resource.cancel()
-        if self._channel:
-            self._channel._shutdown()
+        for resource in self.incoming_resources: resource.cancel()
+        for resource in self.outgoing_resources: resource.cancel()
+        if self._channel: self._channel._shutdown()
             
         self.prv = None
         self.pub = None
@@ -664,8 +738,7 @@ class Link:
                     self.destination.links.remove(self)
 
         if self.callbacks.link_closed != None:
-            try:
-                self.callbacks.link_closed(self)
+            try: self.callbacks.link_closed(self)
             except Exception as e:
                 RNS.log("Error while executing link closed callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
 
@@ -714,9 +787,10 @@ class Link:
                 elif self.status == Link.ACTIVE:
                     activated_at = self.activated_at if self.activated_at != None else 0
                     last_inbound = max(max(self.last_inbound, self.last_proof), activated_at)
+                    now = time.time()
 
-                    if time.time() >= last_inbound + self.keepalive:
-                        if self.initiator:
+                    if now >= last_inbound + self.keepalive:
+                        if self.initiator and now >= self.last_keepalive + self.keepalive:
                             self.send_keepalive()
 
                         if time.time() >= last_inbound + self.stale_time:
@@ -730,6 +804,7 @@ class Link:
 
                 elif self.status == Link.STALE:
                     sleep_time = 0.001
+                    self.__teardown_packet()
                     self.status = Link.CLOSED
                     self.teardown_reason = Link.TIMEOUT
                     self.link_closed()
@@ -742,6 +817,7 @@ class Link:
                     self.teardown()
                     sleep_time = 0.1
 
+                sleep_time = min(sleep_time, Link.WATCHDOG_MAX_SLEEP)
                 sleep(sleep_time)
 
                 if not self.__track_phy_stats:
@@ -764,6 +840,10 @@ class Link:
                 self.snr = packet.snr
             if packet.q != None:
                 self.q = packet.q
+
+    def __update_keepalive(self):
+        self.keepalive = max(min(self.rtt*(Link.KEEPALIVE_MAX/Link.KEEPALIVE_MAX_RTT), Link.KEEPALIVE_MAX), Link.KEEPALIVE_MIN)
+        self.stale_time = self.keepalive * Link.STALE_FACTOR
     
     def send_keepalive(self):
         keepalive_packet = RNS.Packet(self, bytes([0xFF]), context=RNS.Packet.KEEPALIVE)
@@ -782,6 +862,7 @@ class Link:
                 response_generator = request_handler[1]
                 allow              = request_handler[2]
                 allowed_list       = request_handler[3]
+                auto_compress      = request_handler[4]
 
                 allowed = False
                 if not allow == RNS.Destination.ALLOW_NONE:
@@ -800,18 +881,29 @@ class Link:
                     else:
                         raise TypeError("Invalid signature for response generator callback")
 
-                    if response != None:
-                        packed_response = umsgpack.packb([request_id, response])
+                    file_response = False
+                    file_handle   = None
+                    if type(response) == list or type(response) == tuple:
+                        metadata = None
+                        if len(response) > 0 and type(response[0]) == io.BufferedReader:
+                            if len(response) > 1: metadata = response[1]
+                            file_handle = response[0]
+                            file_response = True
 
-                        if len(packed_response) <= self.mdu:
-                            RNS.Packet(self, packed_response, RNS.Packet.DATA, context = RNS.Packet.RESPONSE).send()
+                    if response != None:
+                        if file_response:
+                            response_resource = RNS.Resource(file_handle, self, metadata=metadata, request_id = request_id, is_response = True, auto_compress=auto_compress)
                         else:
-                            response_resource = RNS.Resource(packed_response, self, request_id = request_id, is_response = True)
+                            packed_response = umsgpack.packb([request_id, response])
+                            if len(packed_response) <= self.mdu:
+                                RNS.Packet(self, packed_response, RNS.Packet.DATA, context = RNS.Packet.RESPONSE).send()
+                            else:
+                                response_resource = RNS.Resource(packed_response, self, request_id = request_id, is_response = True, auto_compress=auto_compress)
                 else:
                     identity_string = str(self.get_remote_identity()) if self.get_remote_identity() != None else "<Unknown>"
                     RNS.log("Request "+RNS.prettyhexrep(request_id)+" from "+identity_string+" not allowed for: "+str(path), RNS.LOG_DEBUG)
 
-    def handle_response(self, request_id, response_data, response_size, response_transfer_size):
+    def handle_response(self, request_id, response_data, response_size, response_transfer_size, metadata=None):
         if self.status == Link.ACTIVE:
             remove = None
             for pending_request in self.pending_requests:
@@ -822,7 +914,7 @@ class Link:
                         if pending_request.response_transfer_size == None:
                             pending_request.response_transfer_size = 0
                         pending_request.response_transfer_size += response_transfer_size
-                        pending_request.response_received(response_data)
+                        pending_request.response_received(response_data, metadata)
                     except Exception as e:
                         RNS.log("Error occurred while handling response. The contained exception was: "+str(e), RNS.LOG_ERROR)
 
@@ -839,18 +931,28 @@ class Link:
             request_id        = RNS.Identity.truncated_hash(packed_request)
             request_data      = unpacked_request
 
-            self.handle_request(request_id, request_data)
+            def job(): self.handle_request(request_id, request_data)
+            threading.Thread(target=job, daemon=True).start()
         else:
             RNS.log("Incoming request resource failed with status: "+RNS.hexrep([resource.status]), RNS.LOG_DEBUG)
 
     def response_resource_concluded(self, resource):
         if resource.status == RNS.Resource.COMPLETE:
-            packed_response   = resource.data.read()
-            unpacked_response = umsgpack.unpackb(packed_response)
-            request_id        = unpacked_response[0]
-            response_data     = unpacked_response[1]
+            # If the response resource has metadata, this
+            # is a file response, and we'll pass the open
+            # file handle directly.
+            if resource.has_metadata:
+                self.handle_response(resource.request_id, resource.data, resource.total_size, resource.size, metadata=resource.metadata)
+
+            # If not, we'll unpack the response data and
+            # pass the unpacked structure to the handler
+            else:
+                packed_response   = resource.data.read()
+                unpacked_response = umsgpack.unpackb(packed_response)
+                request_id        = unpacked_response[0]
+                response_data     = unpacked_response[1]
+                self.handle_response(request_id, response_data, resource.total_size, resource.size)
 
-            self.handle_response(request_id, response_data, resource.total_size, resource.size)
         else:
             RNS.log("Incoming response resource failed with status: "+RNS.hexrep([resource.status]), RNS.LOG_DEBUG)
             for pending_request in self.pending_requests:
@@ -931,7 +1033,8 @@ class Link:
                             packed_request = self.decrypt(packet.data)
                             if packed_request != None:
                                 unpacked_request = umsgpack.unpackb(packed_request)
-                                self.handle_request(request_id, unpacked_request)
+                                def job(): self.handle_request(request_id, unpacked_request)
+                                threading.Thread(target=job, daemon=True).start()
                                 self.__update_phy_stats(packet, query_shared=True)
                         except Exception as e:
                             RNS.log("Error occurred while handling request. The contained exception was: "+str(e), RNS.LOG_ERROR)
@@ -944,7 +1047,8 @@ class Link:
                                 request_id = unpacked_response[0]
                                 response_data = unpacked_response[1]
                                 transfer_size = len(umsgpack.packb(response_data))-2
-                                self.handle_response(request_id, response_data, transfer_size, transfer_size)
+                                def job(): self.handle_response(request_id, response_data, transfer_size, transfer_size)
+                                threading.Thread(target=job, daemon=True).start()
                                 self.__update_phy_stats(packet, query_shared=True)
                         except Exception as e:
                             RNS.log("Error occurred while handling response. The contained exception was: "+str(e), RNS.LOG_ERROR)
@@ -980,17 +1084,14 @@ class Link:
                                                 pending_request.started_at = time.time()
                                             pending_request.response_resource_progress(response_resource)
 
-                            elif self.resource_strategy == Link.ACCEPT_NONE:
-                                pass
+                            elif self.resource_strategy == Link.ACCEPT_NONE: pass
                             elif self.resource_strategy == Link.ACCEPT_APP:
                                 if self.callbacks.resource != None:
                                     try:
                                         resource_advertisement = RNS.ResourceAdvertisement.unpack(packet.plaintext)
                                         resource_advertisement.link = self
-                                        if self.callbacks.resource(resource_advertisement):
-                                            RNS.Resource.accept(packet, self.callbacks.resource_concluded)
-                                        else:
-                                            RNS.Resource.reject(packet)
+                                        if self.callbacks.resource(resource_advertisement): RNS.Resource.accept(packet, self.callbacks.resource_concluded)
+                                        else:                                               RNS.Resource.reject(packet)
                                     except Exception as e:
                                         RNS.log("Error while executing resource accept callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
                             elif self.resource_strategy == Link.ACCEPT_ALL:
@@ -1076,7 +1177,8 @@ class Link:
                         resource_hash = packet.data[0:RNS.Identity.HASHLENGTH//8]
                         for resource in self.outgoing_resources:
                             if resource_hash == resource.hash:
-                                resource.validate_proof(packet.data)
+                                def job(resource=resource): resource.validate_proof(packet.data)
+                                threading.Thread(target=job, daemon=True).start()
                                 self.__update_phy_stats(packet, query_shared=True)
 
         self.watchdog_lock = False
@@ -1085,8 +1187,7 @@ class Link:
     def encrypt(self, plaintext):
         try:
             if not self.token:
-                try:
-                    self.token = Token(self.derived_key)
+                try: self.token = Token(self.derived_key)
                 except Exception as e:
                     RNS.log("Could not instantiate token while performing encryption on link "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
                     raise e
@@ -1100,9 +1201,7 @@ class Link:
 
     def decrypt(self, ciphertext):
         try:
-            if not self.token:
-                self.token = Token(self.derived_key)
-                
+            if not self.token: self.token = Token(self.derived_key)
             return self.token.decrypt(ciphertext)
 
         except Exception as e:
@@ -1197,10 +1296,8 @@ class Link:
         :param resource_strategy: One of ``RNS.Link.ACCEPT_NONE``, ``RNS.Link.ACCEPT_ALL`` or ``RNS.Link.ACCEPT_APP``. If ``RNS.Link.ACCEPT_APP`` is set, the `resource_callback` will be called to determine whether the resource should be accepted or not.
         :raises: *TypeError* if the resource strategy is unsupported.
         """
-        if not resource_strategy in Link.resource_strategies:
-            raise TypeError("Unsupported resource strategy")
-        else:
-            self.resource_strategy = resource_strategy
+        if not resource_strategy in Link.resource_strategies: raise TypeError("Unsupported resource strategy")
+        else: self.resource_strategy = resource_strategy
 
     def register_outgoing_resource(self, resource):
         self.outgoing_resources.append(resource)
@@ -1210,8 +1307,7 @@ class Link:
 
     def has_incoming_resource(self, resource):
         for incoming_resource in self.incoming_resources:
-            if incoming_resource.hash == resource.hash:
-                return True
+            if incoming_resource.hash == resource.hash: return True
 
         return False
 
@@ -1222,25 +1318,18 @@ class Link:
         return self.last_resource_eifr
 
     def cancel_outgoing_resource(self, resource):
-        if resource in self.outgoing_resources:
-            self.outgoing_resources.remove(resource)
-        else:
-            RNS.log("Attempt to cancel a non-existing outgoing resource", RNS.LOG_ERROR)
+        if resource in self.outgoing_resources: self.outgoing_resources.remove(resource)
+        else: RNS.log("Attempt to cancel a non-existing outgoing resource", RNS.LOG_WARNING)
 
     def cancel_incoming_resource(self, resource):
-        if resource in self.incoming_resources:
-            self.incoming_resources.remove(resource)
-        else:
-            RNS.log("Attempt to cancel a non-existing incoming resource", RNS.LOG_ERROR)
+        if resource in self.incoming_resources: self.incoming_resources.remove(resource)
+        else: RNS.log("Attempt to cancel a non-existing incoming resource", RNS.LOG_WARNING)
 
     def ready_for_new_resource(self):
-        if len(self.outgoing_resources) > 0:
-            return False
-        else:
-            return True
+        if len(self.outgoing_resources) > 0: return False
+        else:                                return True
 
-    def __str__(self):
-        return RNS.prettyhexrep(self.link_id)
+    def __str__(self): return RNS.prettyhexrep(self.link_id)
 
 
 class RequestReceipt():
@@ -1277,6 +1366,7 @@ class RequestReceipt():
         self.response               = None
         self.response_transfer_size = None
         self.response_size          = None
+        self.metadata               = None
         self.status                 = RequestReceipt.SENT
         self.sent_at                = time.time()
         self.progress               = 0
@@ -1324,20 +1414,21 @@ class RequestReceipt():
             now = time.time()
             if now > self.__resource_response_timeout:
                 self.request_timed_out(None)
+                break
 
             time.sleep(0.1)
 
 
     def request_timed_out(self, packet_receipt):
-        self.status = RequestReceipt.FAILED
-        self.concluded_at = time.time()
-        self.link.pending_requests.remove(self)
+        if self in self.link.pending_requests and self.status == RequestReceipt.DELIVERED:
+            self.status = RequestReceipt.FAILED
+            self.concluded_at = time.time()
+            self.link.pending_requests.remove(self)
 
-        if self.callbacks.failed != None:
-            try:
-                self.callbacks.failed(self)
-            except Exception as e:
-                RNS.log("Error while executing request timed out callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
+            if self.callbacks.failed != None:
+                try: self.callbacks.failed(self)
+                except Exception as e:
+                    RNS.log("Error while executing request timed out callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
 
 
     def response_resource_progress(self, resource):
@@ -1363,10 +1454,11 @@ class RequestReceipt():
                 resource.cancel()
 
     
-    def response_received(self, response):
+    def response_received(self, response, metadata=None):
         if not self.status == RequestReceipt.FAILED:
             self.progress = 1.0
             self.response = response
+            self.metadata = metadata
             self.status = RequestReceipt.READY
             self.response_concluded_at = time.time()
 
@@ -1378,14 +1470,12 @@ class RequestReceipt():
                     self.packet_receipt.callbacks.delivery(self.packet_receipt)
 
             if self.callbacks.progress != None:
-                try:
-                    self.callbacks.progress(self)
+                try: self.callbacks.progress(self)
                 except Exception as e:
                     RNS.log("Error while executing response progress callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
 
             if self.callbacks.response != None:
-                try:
-                    self.callbacks.response(self)
+                try: self.callbacks.response(self)
                 except Exception as e:
                     RNS.log("Error while executing response received callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
 

RNS/Packet.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -35,10 +43,10 @@ class Packet:
 
     For ``RNS.Destination.GROUP`` destinations, Reticulum will use the
     pre-shared key configured for the destination. All packets to group
-    destinations are encrypted with the same AES-128 key.
+    destinations are encrypted with the same AES-256 key.
 
     For ``RNS.Destination.SINGLE`` destinations, Reticulum will use a newly
-    derived ephemeral AES-128 key for every packet.
+    derived ephemeral AES-256 key for every packet.
 
     For :ref:`RNS.Link<api-link>` destinations, Reticulum will use per-link
     ephemeral keys, and offers **Forward Secrecy**.
@@ -109,7 +117,7 @@ class Packet:
     __slots__  = "hops", "header", "header_type", "packet_type", "transport_type", "context", "context_flag", "destination"
     __slots__ += "transport_id", "data", "flags", "raw", "packed", "sent", "create_receipt", "receipt", "fromPacked", "MTU"
     __slots__ += "sent_at", "packet_hash", "ratchet_id", "attached_interface", "receiving_interface", "rssi", "snr", "q"
-    __slots__ += "ciphertext", "plaintext", "destination_hash", "destination_type", "link", "map_hash"
+    __slots__ += "ciphertext", "plaintext", "destination_hash", "destination_type", "link", "map_hash", "is_outbound_pr"
 
     def __init__(self, destination, data, packet_type = DATA, context = NONE, transport_type = RNS.Transport.BROADCAST,
                  header_type = HEADER_1, transport_id = None, attached_interface = None, create_receipt = True, context_flag=FLAG_UNSET):
@@ -153,6 +161,7 @@ class Packet:
 
         self.attached_interface = attached_interface
         self.receiving_interface = None
+        self.is_outbound_pr = False
         self.rssi = None
         self.snr = None
         self.q = None
@@ -259,7 +268,7 @@ class Packet:
             return True
 
         except Exception as e:
-            RNS.log("Received malformed packet, dropping it. The contained exception was: "+str(e), RNS.LOG_EXTREME)
+            RNS.log("Received malformed packet, dropping it. The contained exception was: "+str(e), RNS.LOG_EXTREME) if RNS.sl(RNS.LOG_EXTREME) else None
             return False
 
     def send(self):
@@ -271,7 +280,7 @@ class Packet:
         if not self.sent:
             if self.destination.type == RNS.Destination.LINK:
                 if self.destination.status == RNS.Link.CLOSED:
-                    RNS.log("Attempt to transmit over a closed link, dropping packet", RNS.LOG_DEBUG)
+                    RNS.log("Attempt to transmit over a closed link, dropping packet", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                     self.sent = False
                     self.receipt = None
                     return False
@@ -281,13 +290,11 @@ class Packet:
                     self.destination.tx += 1
                     self.destination.txbytes += len(self.data)
 
-            if not self.packed:
-                self.pack()
+            if not self.packed: self.pack()
 
-            if RNS.Transport.outbound(self):
-                return self.receipt
+            if RNS.Transport.outbound(self): return self.receipt
             else:
-                RNS.log("No interfaces could process the outbound packet", RNS.LOG_ERROR)
+                RNS.log("No interfaces could process the outbound packet", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                 self.sent = False
                 self.receipt = None
                 return False
@@ -309,7 +316,7 @@ class Packet:
             if RNS.Transport.outbound(self):
                 return self.receipt
             else:
-                RNS.log("No interfaces could process the outbound packet", RNS.LOG_ERROR)
+                RNS.log("Re-send failed. No interfaces could process the outbound packet", RNS.LOG_WARNING)
                 self.sent = False
                 self.receipt = None
                 return False

RNS/Resolver.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Resource.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -25,6 +33,7 @@ import os
 import bz2
 import math
 import time
+import struct
 import tempfile
 import threading
 from threading import Lock
@@ -99,26 +108,25 @@ class Resource:
     # it is to be handled within reasonable
     # time constraint, even on small systems.
     #
-    # A small system in this regard is
-    # defined as a Raspberry Pi, which should
-    # be able to compress, encrypt and hash-map
-    # the resource in about 10 seconds.
-    #
     # This constant will be used when determining
     # how to sequence the sending of large resources.
     #
     # Capped at 16777215 (0xFFFFFF) per segment to
     # fit in 3 bytes in resource advertisements.
-    MAX_EFFICIENT_SIZE      = 16 * 1024 * 1024 - 1
+    MAX_EFFICIENT_SIZE      = 1 * 1024 * 1024 - 1
     RESPONSE_MAX_GRACE_TIME = 10
+
+    # Max metadata size is 16777215 (0xFFFFFF) bytes
+    METADATA_MAX_SIZE       = 16 * 1024 * 1024 - 1
     
     # The maximum size to auto-compress with
     # bz2 before sending.
-    AUTO_COMPRESS_MAX_SIZE = MAX_EFFICIENT_SIZE
+    AUTO_COMPRESS_MAX_SIZE = 64 * 1024 * 1024
 
     PART_TIMEOUT_FACTOR           = 4
     PART_TIMEOUT_FACTOR_AFTER_RTT = 2
     PROOF_TIMEOUT_FACTOR          = 3
+    HMU_WAIT_FACTOR               = 3.5
     MAX_RETRIES                   = 16
     MAX_ADV_RETRIES               = 4
     SENDER_GRACE_TIME             = 10.0
@@ -186,14 +194,18 @@ class Resource:
             resource.window_flexibility   = Resource.WINDOW_FLEXIBILITY
             resource.last_activity        = time.time()
             resource.started_transferring = resource.last_activity
+            resource.advertisement_packet = advertisement_packet
 
             resource.storagepath          = RNS.Reticulum.resourcepath+"/"+resource.original_hash.hex()
+            resource.meta_storagepath     = resource.storagepath+".meta"
             resource.segment_index        = adv.i
             resource.total_segments       = adv.l
-            if adv.l > 1:
-                resource.split = True
-            else:
-                resource.split = False
+            
+            if adv.l > 1: resource.split = True
+            else: resource.split = False
+
+            if adv.x: resource.has_metadata = True
+            else:     resource.has_metadata = False
 
             resource.hashmap = [None] * resource.total_parts
             resource.hashmap_height = 0
@@ -211,7 +223,7 @@ class Resource:
             if not resource.link.has_incoming_resource(resource):
                 resource.link.register_incoming_resource(resource)
 
-                RNS.log(f"Accepting resource advertisement for {RNS.prettyhexrep(resource.hash)}. Transfer size is {RNS.prettysize(resource.size)} in {resource.total_parts} parts.", RNS.LOG_DEBUG)
+                RNS.log(f"Accepting resource advertisement for {RNS.prettyhexrep(resource.hash)}. Transfer size is {RNS.prettysize(resource.size)} in {resource.total_parts} parts.", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                 if resource.link.callbacks.resource_started != None:
                     try:
                         resource.link.callbacks.resource_started(resource)
@@ -219,31 +231,47 @@ class Resource:
                         RNS.log("Error while executing resource started callback from "+str(resource)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
 
                 resource.hashmap_update(0, resource.hashmap_raw)
-
                 resource.watchdog_job()
-
                 return resource
 
             else:
-                RNS.log("Ignoring resource advertisement for "+RNS.prettyhexrep(resource.hash)+", resource already transferring", RNS.LOG_DEBUG)
+                RNS.log("Ignoring resource advertisement for "+RNS.prettyhexrep(resource.hash)+", resource already transferring", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                 return None
 
         except Exception as e:
-            RNS.log("Could not decode resource advertisement, dropping resource", RNS.LOG_DEBUG)
+            RNS.log("Could not decode resource advertisement, dropping resource", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
             return None
 
     # Create a resource for transmission to a remote destination
     # The data passed can be either a bytes-array or a file opened
     # in binary read mode.
-    def __init__(self, data, link, advertise=True, auto_compress=True, callback=None, progress_callback=None, timeout = None, segment_index = 1, original_hash = None, request_id = None, is_response = False):
+    def __init__(self, data, link, metadata=None, advertise=True, auto_compress=True, callback=None, progress_callback=None,
+                 timeout = None, segment_index = 1, original_hash = None, request_id = None, is_response = False, sent_metadata_size=0):
+        
         data_size = None
         resource_data = None
         self.assembly_lock = False
         self.preparing_next_segment = False
         self.next_segment = None
+        self.metadata = None
+        self.has_metadata = False
+        self.metadata_size = sent_metadata_size
+
+        if metadata != None:
+            packed_metadata = umsgpack.packb(metadata)
+            metadata_size   = len(packed_metadata)
+            if metadata_size > Resource.METADATA_MAX_SIZE:
+                raise SystemError("Resource metadata size exceeded")
+            else:
+                self.metadata = struct.pack(">I", metadata_size)[1:] + packed_metadata
+                self.metadata_size = len(self.metadata)
+                self.has_metadata = True
+        else:
+            self.metadata = b""
+            if sent_metadata_size > 0: self.has_metadata = True
 
         if data != None:
-            if not hasattr(data, "read") and len(data) > Resource.MAX_EFFICIENT_SIZE:
+            if not hasattr(data, "read") and self.metadata_size + len(data) > Resource.MAX_EFFICIENT_SIZE:
                 original_data = data
                 data_size = len(original_data)
                 data = tempfile.TemporaryFile()
@@ -251,31 +279,43 @@ class Resource:
                 del original_data
 
         if hasattr(data, "read"):
-            if data_size == None:
-                data_size = os.stat(data.name).st_size
+            if data_size == None: data_size = os.stat(data.name).st_size
+            self.total_size = data_size + self.metadata_size
 
-            self.total_size = data_size
-
-            if data_size <= Resource.MAX_EFFICIENT_SIZE:
+            if self.total_size <= Resource.MAX_EFFICIENT_SIZE:
                 self.total_segments = 1
                 self.segment_index  = 1
                 self.split          = False
                 resource_data = data.read()
                 data.close()
+
             else:
-                self.total_segments = ((data_size-1)//Resource.MAX_EFFICIENT_SIZE)+1
+                # self.total_segments = ((data_size-1)//Resource.MAX_EFFICIENT_SIZE)+1
+                # self.segment_index  = segment_index
+                # self.split          = True
+                # seek_index          = segment_index-1
+                # seek_position       = seek_index*Resource.MAX_EFFICIENT_SIZE
+
+                self.total_segments = ((self.total_size-1)//Resource.MAX_EFFICIENT_SIZE)+1
                 self.segment_index  = segment_index
                 self.split          = True
                 seek_index          = segment_index-1
-                seek_position       = seek_index*Resource.MAX_EFFICIENT_SIZE
+                first_read_size     = Resource.MAX_EFFICIENT_SIZE - self.metadata_size
+
+                if segment_index == 1:
+                    seek_position     = 0
+                    segment_read_size = first_read_size
+                else:
+                    seek_position     = first_read_size + ((seek_index-1)*Resource.MAX_EFFICIENT_SIZE)
+                    segment_read_size = Resource.MAX_EFFICIENT_SIZE
 
                 data.seek(seek_position)
-                resource_data = data.read(Resource.MAX_EFFICIENT_SIZE)
+                resource_data = data.read(segment_read_size)
                 self.input_file = data
 
         elif isinstance(data, bytes):
             data_size = len(data)
-            self.total_size  = data_size
+            self.total_size = data_size + self.metadata_size
             
             resource_data = data
             self.total_segments = 1
@@ -288,7 +328,9 @@ class Resource:
         else:
             raise TypeError("Invalid data instance type passed to resource initialisation")
 
-        data = resource_data
+        if resource_data:
+            if self.has_metadata: data = self.metadata + resource_data
+            else:                 data = resource_data
 
         self.status = Resource.NONE
         self.link = link
@@ -319,7 +361,17 @@ class Resource:
         self.request_id = request_id
         self.started_transferring = None
         self.is_response = is_response
-        self.auto_compress = auto_compress
+        self.max_decompressed_size = Resource.AUTO_COMPRESS_MAX_SIZE
+        self.auto_compress_limit = Resource.AUTO_COMPRESS_MAX_SIZE
+        self.auto_compress_option = auto_compress
+
+        if type(auto_compress) == bool:
+            self.auto_compress = auto_compress
+        elif type(auto_compress) == int:
+            self.auto_compress = True
+            self.auto_compress_limit = auto_compress
+        else:
+            raise TypeError(f"Invalid type {type(auto_compress)} for auto_compress option")
 
         self.req_hashlist = []
         self.receiver_min_consecutive_height = 0
@@ -335,10 +387,10 @@ class Resource:
             self.uncompressed_data = data
 
             compression_began = time.time()
-            if (auto_compress and len(self.uncompressed_data) <= Resource.AUTO_COMPRESS_MAX_SIZE):
-                RNS.log("Compressing resource data...", RNS.LOG_EXTREME)
+            if self.auto_compress and data_size <= self.auto_compress_limit:
+                RNS.log("Compressing resource data...", RNS.LOG_EXTREME) if RNS.sl(RNS.LOG_EXTREME) else None
                 self.compressed_data   = bz2.compress(self.uncompressed_data)
-                RNS.log("Compression completed in "+str(round(time.time()-compression_began, 3))+" seconds", RNS.LOG_EXTREME)
+                RNS.log("Compression completed in "+str(round(time.time()-compression_began, 3))+" seconds", RNS.LOG_EXTREME) if RNS.sl(RNS.LOG_EXTREME) else None
             else:
                 self.compressed_data   = self.uncompressed_data
 
@@ -347,25 +399,26 @@ class Resource:
 
             if (self.compressed_size < self.uncompressed_size and auto_compress):
                 saved_bytes = len(self.uncompressed_data) - len(self.compressed_data)
-                RNS.log("Compression saved "+str(saved_bytes)+" bytes, sending compressed", RNS.LOG_EXTREME)
+                RNS.log("Compression saved "+str(saved_bytes)+" bytes, sending compressed", RNS.LOG_EXTREME) if RNS.sl(RNS.LOG_EXTREME) else None
 
                 self.data  = b""
                 self.data += RNS.Identity.get_random_hash()[:Resource.RANDOM_HASH_SIZE]
                 self.data += self.compressed_data
                 
                 self.compressed = True
-                self.uncompressed_data = None
 
             else:
                 self.data  = b""
                 self.data += RNS.Identity.get_random_hash()[:Resource.RANDOM_HASH_SIZE]
                 self.data += self.uncompressed_data
-                self.uncompressed_data = self.data
 
                 self.compressed = False
                 self.compressed_data = None
-                if auto_compress:
-                    RNS.log("Compression did not decrease size, sending uncompressed", RNS.LOG_EXTREME)
+                if self.auto_compress and data_size <= self.auto_compress_limit:
+                    RNS.log("Compression did not decrease size, sending uncompressed", RNS.LOG_EXTREME) if RNS.sl(RNS.LOG_EXTREME) else None
+
+            self.compressed_data = None
+            self.uncompressed_data = None
 
             # Resources handle encryption directly to
             # make optimal use of packet MTU on an entire
@@ -382,7 +435,7 @@ class Resource:
             hashmap_ok = False
             while not hashmap_ok:
                 hashmap_computation_began = time.time()
-                RNS.log("Starting resource hashmap computation with "+str(hashmap_entries)+" entries...", RNS.LOG_EXTREME)
+                RNS.log("Starting resource hashmap computation with "+str(hashmap_entries)+" entries...", RNS.LOG_EXTREME) if RNS.sl(RNS.LOG_EXTREME) else None
 
                 self.random_hash       = RNS.Identity.get_random_hash()[:Resource.RANDOM_HASH_SIZE]
                 self.hash = RNS.Identity.full_hash(data+self.random_hash)
@@ -402,7 +455,7 @@ class Resource:
                     map_hash = self.get_map_hash(data)
 
                     if map_hash in collision_guard_list:
-                        RNS.log("Found hash collision in resource map, remapping...", RNS.LOG_DEBUG)
+                        RNS.log("Found hash collision in resource map, remapping...", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                         hashmap_ok = False
                         break
                     else:
@@ -418,8 +471,9 @@ class Resource:
                         self.hashmap += part.map_hash
                         self.parts.append(part)
 
-                RNS.log("Hashmap computation concluded in "+str(round(time.time()-hashmap_computation_began, 3))+" seconds", RNS.LOG_EXTREME)
-                
+                RNS.log("Hashmap computation concluded in "+str(round(time.time()-hashmap_computation_began, 3))+" seconds", RNS.LOG_EXTREME) if RNS.sl(RNS.LOG_EXTREME) else None
+
+            self.data = None
             if advertise:
                 self.advertise()
         else:
@@ -478,7 +532,7 @@ class Resource:
             self.status = Resource.ADVERTISED
             self.retries_left = self.max_adv_retries
             self.link.register_outgoing_resource(self)
-            RNS.log("Sent resource advertisement for "+RNS.prettyhexrep(self.hash), RNS.LOG_EXTREME)
+            RNS.log("Sent resource advertisement for "+RNS.prettyhexrep(self.hash), RNS.LOG_EXTREME) if RNS.sl(RNS.LOG_EXTREME) else None
         except Exception as e:
             RNS.log("Could not advertise resource, the contained exception was: "+str(e), RNS.LOG_ERROR)
             self.cancel()
@@ -504,8 +558,7 @@ class Resource:
         if self.link: self.link.expected_rate = self.eifr
 
     def watchdog_job(self):
-        thread = threading.Thread(target=self.__watchdog_job)
-        thread.daemon = True
+        thread = threading.Thread(target=self.__watchdog_job, daemon=True)
         thread.start()
 
     def __watchdog_job(self):
@@ -521,12 +574,12 @@ class Resource:
                 sleep_time = (self.adv_sent+self.timeout+Resource.PROCESSING_GRACE)-time.time()
                 if sleep_time < 0:
                     if self.retries_left <= 0:
-                        RNS.log("Resource transfer timeout after sending advertisement", RNS.LOG_DEBUG)
+                        RNS.log("Resource transfer timeout after sending advertisement", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                         self.cancel()
                         sleep_time = 0.001
                     else:
                         try:
-                            RNS.log("No part requests received, retrying resource advertisement...", RNS.LOG_DEBUG)
+                            RNS.log("No part requests received, retrying resource advertisement...", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                             self.retries_left -= 1
                             self.advertisement_packet = RNS.Packet(self.link, ResourceAdvertisement(self).pack(), context=RNS.Packet.RESOURCE_ADV)
                             self.advertisement_packet.send()
@@ -534,7 +587,7 @@ class Resource:
                             self.adv_sent = self.last_activity
                             sleep_time = 0.001
                         except Exception as e:
-                            RNS.log("Could not resend advertisement packet, cancelling resource. The contained exception was: "+str(e), RNS.LOG_VERBOSE)
+                            RNS.log("Could not resend advertisement packet, cancelling resource. The contained exception was: "+str(e), RNS.LOG_VERBOSE) if RNS.sl(RNS.LOG_VERBOSE) else None
                             self.cancel()
                     
 
@@ -544,20 +597,22 @@ class Resource:
                     extra_wait = retries_used * Resource.PER_RETRY_DELAY
 
                     self.update_eifr()
+                    expected_hmu_wait_remaining = (self.sdu*8*self.HMU_WAIT_FACTOR)/self.eifr if self.waiting_for_hmu or self.outstanding_parts == 0 else 0
                     expected_tof_remaining = (self.outstanding_parts*self.sdu*8)/self.eifr
 
                     if self.req_resp_rtt_rate != 0:
-                        sleep_time = self.last_activity + self.part_timeout_factor*expected_tof_remaining + Resource.RETRY_GRACE_TIME + extra_wait - time.time()
+                        sleep_time = self.last_activity + self.part_timeout_factor*expected_tof_remaining + expected_hmu_wait_remaining + Resource.RETRY_GRACE_TIME + extra_wait - time.time()
                     else:
                         sleep_time = self.last_activity + self.part_timeout_factor*((3*self.sdu)/self.eifr) + Resource.RETRY_GRACE_TIME + extra_wait - time.time()
                     
-                    # RNS.log(f"EIFR {RNS.prettyspeed(self.eifr)}, ETOF {RNS.prettyshorttime(expected_tof_remaining)} ", RNS.LOG_DEBUG, pt=True)
+                    # TODO: Remove debug at some point
+                    # RNS.log(f"EIFR {RNS.prettyspeed(self.eifr)}, ETOF {RNS.prettyshorttime(expected_tof_remaining)}, EHWR {RNS.prettyshorttime(expected_hmu_wait_remaining)}", RNS.LOG_DEBUG, pt=True)
                     # RNS.log(f"Resource ST {RNS.prettyshorttime(sleep_time)}, RTT {RNS.prettyshorttime(self.rtt or self.link.rtt)}, {self.outstanding_parts} left", RNS.LOG_DEBUG, pt=True)
                     
                     if sleep_time < 0:
                         if self.retries_left > 0:
                             ms = "" if self.outstanding_parts == 1 else "s"
-                            RNS.log("Timed out waiting for "+str(self.outstanding_parts)+" part"+ms+", requesting retry", RNS.LOG_DEBUG)
+                            RNS.log(f"Timed out waiting for {self.outstanding_parts} part{ms}, requesting retry on {self}", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                             if self.window > self.window_min:
                                 self.window -= 1
                                 if self.window_max > self.window_min:
@@ -577,7 +632,7 @@ class Resource:
                     max_wait = self.rtt * self.timeout_factor * self.max_retries + self.sender_grace_time + max_extra_wait
                     sleep_time = self.last_activity + max_wait - time.time()
                     if sleep_time < 0:
-                        RNS.log("Resource timed out waiting for part requests", RNS.LOG_DEBUG)
+                        RNS.log("Resource timed out waiting for part requests", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                         self.cancel()
                         sleep_time = 0.001
 
@@ -589,11 +644,11 @@ class Resource:
                 sleep_time = self.last_part_sent + (self.rtt*self.timeout_factor+self.sender_grace_time) - time.time()
                 if sleep_time < 0:
                     if self.retries_left <= 0:
-                        RNS.log("Resource timed out waiting for proof", RNS.LOG_DEBUG)
+                        RNS.log("Resource timed out waiting for proof", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                         self.cancel()
                         sleep_time = 0.001
                     else:
-                        RNS.log("All parts sent, but no resource proof received, querying network cache...", RNS.LOG_DEBUG)
+                        RNS.log("All parts sent, but no resource proof received, querying network cache...", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                         self.retries_left -= 1
                         expected_data = self.hash + self.expected_proof
                         expected_proof_packet = RNS.Packet(self.link, expected_data, packet_type=RNS.Packet.PROOF, context=RNS.Packet.RESOURCE_PRF)
@@ -606,7 +661,7 @@ class Resource:
                 sleep_time = 0.001
 
             if sleep_time == 0:
-                RNS.log("Warning! Link watchdog sleep time of 0!", RNS.LOG_DEBUG)
+                RNS.log("Warning! Link watchdog sleep time of 0!", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
             if sleep_time == None or sleep_time < 0:
                 RNS.log("Timing error, cancelling resource transfer.", RNS.LOG_ERROR)
                 self.cancel()
@@ -620,29 +675,44 @@ class Resource:
                 self.status = Resource.ASSEMBLING
                 stream = b"".join(self.parts)
 
-                if self.encrypted:
-                    data = self.link.decrypt(stream)
-                else:
-                    data = stream
+                if self.encrypted: data = self.link.decrypt(stream)
+                else: data = stream
 
                 # Strip off random hash
                 data = data[Resource.RANDOM_HASH_SIZE:]
 
-                if self.compressed:
-                    self.data = bz2.decompress(data)
+                if not self.compressed: self.data = data
                 else:
-                    self.data = data
+                    decompressor = bz2.BZ2Decompressor()
+                    self.data = decompressor.decompress(data, max_length=self.max_decompressed_size)
+                    if not decompressor.eof:
+                        self.status = Resource.CORRUPT
+                        self.cancel()
+                        RNS.log(f"Decompressed resource exceeded maximum decompressed size. The resource was rejected.", RNS.LOG_ERROR)
+                        return
 
                 calculated_hash = RNS.Identity.full_hash(self.data+self.random_hash)
-
                 if calculated_hash == self.hash:
+                    if self.has_metadata and self.segment_index == 1:
+                        # TODO: Add early metadata_ready callback
+                        metadata_size = self.data[0] << 16 | self.data[1] << 8 | self.data[2]
+                        packed_metadata = self.data[3:3+metadata_size]
+                        metadata_file = open(self.meta_storagepath, "wb")
+                        metadata_file.write(packed_metadata)
+                        metadata_file.close()
+                        del packed_metadata
+                        data = self.data[3+metadata_size:]
+                    else:
+                        data = self.data
+
                     self.file = open(self.storagepath, "ab")
-                    self.file.write(self.data)
+                    self.file.write(data)
                     self.file.close()
                     self.status = Resource.COMPLETE
+                    del data
                     self.prove()
-                else:
-                    self.status = Resource.CORRUPT
+                
+                else: self.status = Resource.CORRUPT
 
 
             except Exception as e:
@@ -654,23 +724,29 @@ class Resource:
 
             if self.segment_index == self.total_segments:
                 if self.callback != None:
+                    if not os.path.isfile(self.meta_storagepath):
+                        self.metadata = None
+                    else:
+                        metadata_file = open(self.meta_storagepath, "rb")
+                        self.metadata = umsgpack.unpackb(metadata_file.read())
+                        metadata_file.close()
+                        try: os.unlink(self.meta_storagepath)
+                        except Exception as e:
+                            RNS.log(f"Error while cleaning up resource metadata file, the contained exception was: {e}", RNS.LOG_ERROR)
+
                     self.data = open(self.storagepath, "rb")
-                    try:
-                        self.callback(self)
+                    try: self.callback(self)
                     except Exception as e:
                         RNS.log("Error while executing resource assembled callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
 
                 try:
-                    if hasattr(self.data, "close") and callable(self.data.close):
-                        self.data.close()
-
-                    os.unlink(self.storagepath)
+                    if hasattr(self.data, "close") and callable(self.data.close): self.data.close()
+                    if os.path.isfile(self.storagepath): os.unlink(self.storagepath)
 
                 except Exception as e:
-                    RNS.log("Error while cleaning up resource files, the contained exception was:", RNS.LOG_ERROR)
-                    RNS.log(str(e))
+                    RNS.log(f"Error while cleaning up resource files, the contained exception was: {e}", RNS.LOG_ERROR)
             else:
-                RNS.log("Resource segment "+str(self.segment_index)+" of "+str(self.total_segments)+" received, waiting for next segment to be announced", RNS.LOG_DEBUG)
+                RNS.log("Resource segment "+str(self.segment_index)+" of "+str(self.total_segments)+" received, waiting for next segment to be announced", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
 
 
     def prove(self):
@@ -682,25 +758,26 @@ class Resource:
                 proof_packet.send()
                 RNS.Transport.cache(proof_packet, force_cache=True)
             except Exception as e:
-                RNS.log("Could not send proof packet, cancelling resource", RNS.LOG_DEBUG)
-                RNS.log("The contained exception was: "+str(e), RNS.LOG_DEBUG)
+                RNS.log("Could not send proof packet, cancelling resource", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
+                RNS.log("The contained exception was: "+str(e), RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                 self.cancel()
 
     def __prepare_next_segment(self):
         # Prepare the next segment for advertisement
-        RNS.log(f"Preparing segment {self.segment_index+1} of {self.total_segments} for resource {self}", RNS.LOG_DEBUG)
+        RNS.log(f"Preparing segment {self.segment_index+1} of {self.total_segments} for resource {self}", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
         self.preparing_next_segment = True
-        self.next_segment = Resource(
-            self.input_file, self.link,
-            callback = self.callback,
-            segment_index = self.segment_index+1,
-            original_hash=self.original_hash,
-            progress_callback = self.__progress_callback,
-            request_id = self.request_id,
-            is_response = self.is_response,
-            advertise = False,
-            auto_compress = self.auto_compress,
-        )
+        self.next_segment = Resource(self.input_file, self.link,
+                                     callback = self.callback,
+                                     segment_index = self.segment_index+1,
+                                     original_hash=self.original_hash,
+                                     progress_callback = self.__progress_callback,
+                                     request_id = self.request_id,
+                                     is_response = self.is_response,
+                                     advertise = False,
+                                     auto_compress = self.auto_compress_option,
+                                     sent_metadata_size = self.metadata_size)
+        if self.__progress_callback:
+            self.next_segment.progress_callback(self.__progress_callback)
 
     def validate_proof(self, proof_data):
         if not self.status == Resource.FAILED:
@@ -712,18 +789,18 @@ class Resource:
                         # If all segments were processed, we'll
                         # signal that the resource sending concluded
                         if self.callback != None:
-                            try:
-                                self.callback(self)
-                            except Exception as e:
-                                RNS.log("Error while executing resource concluded callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
+                            try: self.callback(self)
+                            except Exception as e: RNS.log("Error while executing resource concluded callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
                             finally:
                                 try:
                                     if hasattr(self, "input_file"):
-                                        if hasattr(self.input_file, "close") and callable(self.input_file.close):
-                                            self.input_file.close()
-
-                                except Exception as e:
-                                    RNS.log("Error while closing resource input file: "+str(e), RNS.LOG_ERROR)
+                                        if hasattr(self.input_file, "close") and callable(self.input_file.close): self.input_file.close()
+                                except Exception as e: RNS.log("Error while closing resource input file: "+str(e), RNS.LOG_ERROR)
+                        else:
+                            try:
+                                if hasattr(self, "input_file"):
+                                    if hasattr(self.input_file, "close") and callable(self.input_file.close): self.input_file.close()
+                            except Exception as e: RNS.log("Error while closing resource input file: "+str(e), RNS.LOG_ERROR)
                     else:
                         # Otherwise we'll recursively create the
                         # next segment of the resource
@@ -731,8 +808,16 @@ class Resource:
                             RNS.log(f"Next segment preparation for resource {self} was not started yet, manually preparing now. This will cause transfer slowdown.", RNS.LOG_WARNING)
                             self.__prepare_next_segment()
 
-                        while self.next_segment == None:
-                            time.sleep(0.05)
+                        while self.next_segment == None: time.sleep(0.05)
+
+                        self.data = None
+                        self.metadata = None
+                        self.parts = None
+                        self.input_file = None
+                        self.link = None
+                        self.req_hashlist = None
+                        self.hashmap = None
+
                         self.next_segment.advertise()
                 else:
                     pass
@@ -808,7 +893,7 @@ class Resource:
 
                 if self.received_count == self.total_parts and not self.assembly_lock:
                     self.assembly_lock = True
-                    self.assemble()
+                    threading.Thread(target=self.assemble, daemon=True).start()
                 elif self.outstanding_parts == 0:
                     # TODO: Figure out if there is a mathematically
                     # optimal way to adjust windows
@@ -885,11 +970,12 @@ class Resource:
                     self.last_activity = time.time()
                     self.req_sent = self.last_activity
                     self.req_sent_bytes = len(request_packet.raw)
+                    self.rtt_rxd_bytes_at_part_req = self.rtt_rxd_bytes
                     self.req_resp = None
 
                 except Exception as e:
-                    RNS.log("Could not send resource request packet, cancelling resource", RNS.LOG_DEBUG)
-                    RNS.log("The contained exception was: "+str(e), RNS.LOG_DEBUG)
+                    RNS.log("Could not send resource request packet, cancelling resource", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
+                    RNS.log("The contained exception was: "+str(e), RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                     self.cancel()
 
     # Called on outgoing resource to make it send more data
@@ -934,8 +1020,8 @@ class Resource:
                     self.last_part_sent = self.last_activity
 
                 except Exception as e:
-                    RNS.log("Resource could not send parts, cancelling transfer!", RNS.LOG_DEBUG)
-                    RNS.log("The contained exception was: "+str(e), RNS.LOG_DEBUG)
+                    RNS.log("Resource could not send parts, cancelling transfer!", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
+                    RNS.log("The contained exception was: "+str(e), RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                     self.cancel()
             
             if wants_more_hashmap:
@@ -973,8 +1059,8 @@ class Resource:
                     hmu_packet.send()
                     self.last_activity = time.time()
                 except Exception as e:
-                    RNS.log("Could not send resource HMU packet, cancelling resource", RNS.LOG_DEBUG)
-                    RNS.log("The contained exception was: "+str(e), RNS.LOG_DEBUG)
+                    RNS.log("Could not send resource HMU packet, cancelling resource", RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
+                    RNS.log("The contained exception was: "+str(e), RNS.LOG_DEBUG) if RNS.sl(RNS.LOG_DEBUG) else None
                     self.cancel()
 
             if self.sent_parts == len(self.parts):
@@ -982,8 +1068,7 @@ class Resource:
                 self.retries_left = 3
 
             if self.__progress_callback != None:
-                try:
-                    self.__progress_callback(self)
+                try: self.__progress_callback(self)
                 except Exception as e:
                     RNS.log("Error while executing progress callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
 
@@ -991,7 +1076,14 @@ class Resource:
         """
         Cancels transferring the resource.
         """
-        if self.status < Resource.COMPLETE:
+        if self.next_segment: self.next_segment.cancel()
+
+        if self.status == Resource.CORRUPT:
+            self.link.cancel_incoming_resource(self)
+            self.reject(self.advertisement_packet)
+            self.link.teardown()
+
+        elif self.status < Resource.COMPLETE:
             self.status = Resource.FAILED
             if self.initiator:
                 if self.link.status == RNS.Link.ACTIVE:
@@ -1019,7 +1111,8 @@ class Resource:
                 if self.callback != None:
                     try:
                         self.link.resource_concluded(self)
-                        self.callback(self)
+                        def job(): self.callback(self)
+                        threading.Thread(target=job, daemon=True).start()
                     except Exception as e:
                         RNS.log("Error while executing callbacks on resource reject from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
 
@@ -1028,6 +1121,7 @@ class Resource:
 
     def progress_callback(self, callback):
         self.__progress_callback = callback
+        if self.next_segment: self.next_segment.progress_callback(callback)
 
     def get_progress(self):
         """
@@ -1194,6 +1288,7 @@ class ResourceAdvertisement:
             self.c = resource.compressed        # Compression flag
             self.e = resource.encrypted         # Encryption flag
             self.s = resource.split             # Split flag
+            self.x = resource.has_metadata      # Metadata flag
             self.i = resource.segment_index     # Segment index
             self.l = resource.total_segments    # Total segments
             self.q = resource.request_id        # ID of associated request
@@ -1209,7 +1304,7 @@ class ResourceAdvertisement:
                     self.p = True
 
             # Flags
-            self.f = 0x00 | self.p << 4 | self.u << 3 | self.s << 2 | self.c << 1 | self.e
+            self.f = 0x00 | self.x << 5 | self.p << 4 | self.u << 3 | self.s << 2 | self.c << 1 | self.e
 
     def get_transfer_size(self):
         return self.t
@@ -1229,6 +1324,9 @@ class ResourceAdvertisement:
     def is_compressed(self):
         return self.c
 
+    def has_metadata(self):
+        return self.x
+
     def get_link(self):
         return self.link
 
@@ -1278,5 +1376,6 @@ class ResourceAdvertisement:
         adv.s = True if ((adv.f >> 2) & 0x01) == 0x01 else False
         adv.u = True if ((adv.f >> 3) & 0x01) == 0x01 else False
         adv.p = True if ((adv.f >> 4) & 0x01) == 0x01 else False
+        adv.x = True if ((adv.f >> 5) & 0x01) == 0x01 else False
 
         return adv

RNS/Utilities/__init__.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2022 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Utilities/rncp.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -25,6 +33,7 @@
 import RNS
 import argparse
 import threading
+import shutil
 import time
 import sys
 import os
@@ -34,26 +43,45 @@ from RNS._version import __version__
 APP_NAME = "rncp"
 allow_all = False
 allow_fetch = False
+allow_overwrite_on_receive = False
 fetch_auto_compress = True
 fetch_jail = None
 save_path = None
 show_phy_rates = False
 allowed_identity_hashes = []
+identity = None
+
+def prepare_identity(identity_path):
+    global identity
+    if identity_path == None:
+        identity_path = RNS.Reticulum.identitypath+"/"+APP_NAME
+
+    if os.path.isfile(identity_path):
+        identity = RNS.Identity.from_file(identity_path)
+        if identity == None:
+            RNS.log(f"Could not load identity for rncp. The identity file at \"{identity_path}\" may be corrupt or unreadable.", RNS.LOG_ERROR)
+            RNS.exit(2)
+
+    if identity == None:
+        RNS.log("No valid saved identity found, creating new...", RNS.LOG_INFO)
+        identity = RNS.Identity()
+        identity.to_file(identity_path)
 
 REQ_FETCH_NOT_ALLOWED = 0xF0
 
 es = " "
 erase_str = "\33[2K\r"
 
-def listen(configdir, verbosity = 0, quietness = 0, allowed = [], display_identity = False,
+def listen(configdir, identitypath = None, verbosity = 0, quietness = 0, allowed = [], display_identity = False,
            limit = None, disable_auth = None, fetch_allowed = False, no_compress=False,
-           jail = None, save = None, announce = False):
+           jail = None, save = None, announce = False, allow_overwrite=False):
 
-    global allow_all, allow_fetch, allowed_identity_hashes, fetch_jail, save_path, fetch_auto_compress
-    from tempfile import TemporaryFile
+    global allow_all, allow_fetch, allowed_identity_hashes, fetch_jail, save_path, identity
+    global fetch_auto_compress, allow_overwrite_on_receive
 
     allow_fetch = fetch_allowed
     fetch_auto_compress = not no_compress
+    allow_overwrite_on_receive = allow_overwrite
     identity = None
     if announce < 0:
         announce = False
@@ -79,14 +107,7 @@ def listen(configdir, verbosity = 0, quietness = 0, allowed = [], display_identi
 
         RNS.log("Saving received files in \""+save_path+"\"", RNS.LOG_VERBOSE)
 
-    identity_path = RNS.Reticulum.identitypath+"/"+APP_NAME
-    if os.path.isfile(identity_path):
-        identity = RNS.Identity.from_file(identity_path)                
-
-    if identity == None:
-        RNS.log("No valid saved identity found, creating new...", RNS.LOG_INFO)
-        identity = RNS.Identity()
-        identity.to_file(identity_path)
+    prepare_identity(identitypath)
 
     destination = RNS.Destination(identity, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "receive")
 
@@ -142,11 +163,11 @@ def listen(configdir, verbosity = 0, quietness = 0, allowed = [], display_identi
                     except Exception as e:
                         raise ValueError("Invalid destination entered. Check your input.")
                 except Exception as e:
-                    print(str(e))
+                    RNS.log(f"Could not apply allowed identity: {e}", RNS.LOG_ERROR)
                     RNS.exit(1)
 
     if len(allowed_identity_hashes) < 1 and not disable_auth:
-        print("Warning: No allowed identities configured, rncp will not accept any files!")
+        RNS.log("No allowed identities configured, rncp will not accept any files!", RNS.LOG_WARNING)
 
     def fetch_request(path, data, request_id, link_id, remote_identity, requested_at):
         global allow_fetch, fetch_jail, fetch_auto_compress
@@ -175,22 +196,15 @@ def listen(configdir, verbosity = 0, quietness = 0, allowed = [], display_identi
             if target_link != None:
                 RNS.log("Sending file "+str(file_path)+" to client", RNS.LOG_VERBOSE)
 
-                temp_file = TemporaryFile()
-                real_file = open(file_path, "rb")
-                filename_bytes = os.path.basename(file_path).encode("utf-8")
-                filename_len = len(filename_bytes)
+                try:
+                    metadata = {"name": os.path.basename(file_path).encode("utf-8") }
+                    fetch_resource = RNS.Resource(open(file_path, "rb"), target_link, metadata=metadata, auto_compress=fetch_auto_compress)
+                    return True
 
-                if filename_len > 0xFFFF:
-                    print("Filename exceeds max size, cannot send")
-                    RNS.exit(1)
+                except Exception as e:
+                    RNS.log(f"Could not send file to client. The contained exception was: {e}", RNS.LOG_ERROR)
+                    return False
 
-                temp_file.write(filename_len.to_bytes(2, "big"))
-                temp_file.write(filename_bytes)
-                temp_file.write(real_file.read())
-                temp_file.seek(0)
-
-                fetch_resource = RNS.Resource(temp_file, target_link, auto_compress=fetch_auto_compress)
-                return True
             else:
                 return None
 
@@ -203,7 +217,7 @@ def listen(configdir, verbosity = 0, quietness = 0, allowed = [], display_identi
         else:
             destination.register_request_handler("fetch_file", response_generator=fetch_request, allow=RNS.Destination.ALLOW_LIST, allowed_list=allowed_identity_hashes)
 
-    print("rncp listening on "+RNS.prettyhexrep(destination.hash))
+    RNS.log("rncp listening on "+RNS.prettyhexrep(destination.hash), RNS.LOG_INFO)
 
     if announce >= 0:
         def job():
@@ -215,8 +229,7 @@ def listen(configdir, verbosity = 0, quietness = 0, allowed = [], display_identi
 
         threading.Thread(target=job, daemon=True).start()
     
-    while True:
-        time.sleep(1)
+    while True: time.sleep(1)
 
 def client_link_established(link):
     RNS.log("Incoming link established", RNS.LOG_VERBOSE)
@@ -258,40 +271,49 @@ def receive_resource_started(resource):
     else:
         id_str = ""
 
-    print("Starting resource transfer "+RNS.prettyhexrep(resource.hash)+id_str)
+    RNS.log("Starting resource transfer "+RNS.prettyhexrep(resource.hash)+id_str, RNS.LOG_INFO)
 
 def receive_resource_concluded(resource):
-    global save_path
+    global save_path, allow_overwrite_on_receive
     if resource.status == RNS.Resource.COMPLETE:
-        print(str(resource)+" completed")
+        RNS.log(f"Incoming resource {resource} completed", RNS.LOG_INFO)
 
-        if resource.total_size > 4:
-            filename_len = int.from_bytes(resource.data.read(2), "big")
-            filename = resource.data.read(filename_len).decode("utf-8")
-
-            counter = 0
-            if save_path:
-                saved_filename = os.path.abspath(os.path.expanduser(save_path+"/"+filename))
-                if not saved_filename.startswith(save_path+"/"):
-                    RNS.log(f"Invalid save path {saved_filename}, ignoring", RNS.LOG_ERROR)
-                    return
-            else:
-                saved_filename = filename
-
-            full_save_path = saved_filename
-            while os.path.isfile(full_save_path):
-                counter += 1
-                full_save_path = saved_filename+"."+str(counter)
-            
-            file = open(full_save_path, "wb")
-            file.write(resource.data.read())
-            file.close()
+        if resource.metadata == None:
+            RNS.log("Invalid data received, ignoring resource", RNS.LOG_WARNING)
+            return
 
         else:
-            print("Invalid data received, ignoring resource")
+            try:
+                filename = os.path.basename(resource.metadata["name"].decode("utf-8"))
+                counter = 0
+                if save_path:
+                    saved_filename = os.path.abspath(os.path.expanduser(save_path+"/"+filename))
+                    if not saved_filename.startswith(save_path+"/"):
+                        RNS.log(f"Invalid save path {saved_filename}, ignoring", RNS.LOG_ERROR)
+                        return
+                else:
+                    saved_filename = filename
+
+                full_save_path = saved_filename
+                if allow_overwrite_on_receive:
+                    if os.path.isfile(full_save_path):
+                        try: os.unlink(full_save_path)
+                        except Exception as e:
+                            RNS.log(f"Could not overwrite existing file {full_save_path}, renaming instead", RNS.LOG_ERROR)
+
+                while os.path.isfile(full_save_path):
+                    counter += 1
+                    full_save_path = saved_filename+"."+str(counter)
+
+                shutil.move(resource.data.name, full_save_path)
+                RNS.log("Saved received file to "+full_save_path, RNS.LOG_NOTICE)
+
+            except Exception as e:
+                RNS.log(f"An error occurred while saving received resource: {e}", RNS.LOG_ERROR)
+                return
 
     else:
-        print("Resource failed")
+        RNS.log("Resource failed", RNS.LOG_INFO)
 
 resource_done = False
 current_resource = None
@@ -334,10 +356,11 @@ def sender_progress(resource):
         resource_done = True
 
 link = None
-def fetch(configdir, verbosity = 0, quietness = 0, destination = None, file = None, timeout = RNS.Transport.PATH_REQUEST_TIMEOUT, silent=False, phy_rates=False, save=None):
-    global current_resource, resource_done, link, speed, show_phy_rates, save_path
+def fetch(configdir, identitypath = None, verbosity = 0, quietness = 0, destination = None, file = None, timeout = RNS.Transport.PATH_REQUEST_TIMEOUT, silent=False, phy_rates=False, save=None, allow_overwrite=False):
+    global current_resource, resource_done, link, speed, show_phy_rates, save_path, allow_overwrite_on_receive, identity
     targetloglevel = 3+verbosity-quietness
     show_phy_rates = phy_rates
+    allow_overwrite_on_receive = allow_overwrite
 
     if save:
         sp = os.path.abspath(os.path.expanduser(save))
@@ -365,19 +388,8 @@ def fetch(configdir, verbosity = 0, quietness = 0, destination = None, file = No
 
     reticulum = RNS.Reticulum(configdir=configdir, loglevel=targetloglevel)
 
-    identity_path = RNS.Reticulum.identitypath+"/"+APP_NAME
-    if os.path.isfile(identity_path):
-        identity = RNS.Identity.from_file(identity_path)
-        if identity == None:
-            RNS.log("Could not load identity for rncp. The identity file at \""+str(identity_path)+"\" may be corrupt or unreadable.", RNS.LOG_ERROR)
-            RNS.exit(2)
-    else:
-        identity = None
-
     if identity == None:
-        RNS.log("No valid saved identity found, creating new...", RNS.LOG_INFO)
-        identity = RNS.Identity()
-        identity.to_file(identity_path)
+        prepare_identity(identitypath)
 
     if not RNS.Transport.has_path(destination_hash):
         RNS.Transport.request_path(destination_hash)
@@ -473,32 +485,40 @@ def fetch(configdir, verbosity = 0, quietness = 0, destination = None, file = No
 
     def fetch_resource_concluded(resource):
         nonlocal resource_resolved, resource_status
-        global save_path
+        global save_path, allow_overwrite_on_receive
         if resource.status == RNS.Resource.COMPLETE:
-            if resource.total_size > 4:
-                filename_len = int.from_bytes(resource.data.read(2), "big")
-                filename = resource.data.read(filename_len).decode("utf-8")
-
-                counter = 0
-                if save_path:
-                    saved_filename = os.path.abspath(os.path.expanduser(save_path+"/"+filename))
-
-                else:
-                    saved_filename = filename
-
-                full_save_path = saved_filename
-                while os.path.isfile(full_save_path):
-                    counter += 1
-                    full_save_path = saved_filename+"."+str(counter)
- 
-                file = open(full_save_path, "wb")
-                file.write(resource.data.read())
-                file.close()
-                resource_status = "completed"
+            if resource.metadata == None:
+                print("Invalid data received, ignoring resource")
+                return
 
             else:
-                print("Invalid data received, ignoring resource")
-                resource_status = "invalid_data"
+                try:
+                    filename = os.path.basename(resource.metadata["name"].decode("utf-8"))
+                    counter = 0
+                    if save_path:
+                        saved_filename = os.path.abspath(os.path.expanduser(save_path+"/"+filename))
+                        if not saved_filename.startswith(save_path+"/"):
+                            print(f"Invalid save path {saved_filename}, ignoring")
+                            return
+                    else:
+                        saved_filename = filename
+
+                    full_save_path = saved_filename
+                    if allow_overwrite_on_receive:
+                        if os.path.isfile(full_save_path):
+                            try: os.unlink(full_save_path)
+                            except Exception as e:
+                                print(f"Could not overwrite existing file {full_save_path}, renaming instead")
+
+                    while os.path.isfile(full_save_path):
+                        counter += 1
+                        full_save_path = saved_filename+"."+str(counter)
+
+                    shutil.move(resource.data.name, full_save_path)
+
+                except Exception as e:
+                    print(f"An error occurred while saving received resource: {e}")
+                    return
 
         else:
             print("Resource failed")
@@ -594,9 +614,8 @@ def fetch(configdir, verbosity = 0, quietness = 0, destination = None, file = No
     RNS.exit(0)
 
 
-def send(configdir, verbosity = 0, quietness = 0, destination = None, file = None, timeout = RNS.Transport.PATH_REQUEST_TIMEOUT, silent=False, phy_rates=False, no_compress=False):
-    global current_resource, resource_done, link, speed, show_phy_rates, phy_got_total, phy_speed
-    from tempfile import TemporaryFile
+def send(configdir, identitypath = None, verbosity = 0, quietness = 0, destination = None, file = None, timeout = RNS.Transport.PATH_REQUEST_TIMEOUT, silent=False, phy_rates=False, no_compress=False):
+    global current_resource, resource_done, link, speed, show_phy_rates, phy_got_total, phy_speed, identity
     targetloglevel = 3+verbosity-quietness
     show_phy_rates = phy_rates
 
@@ -618,39 +637,14 @@ def send(configdir, verbosity = 0, quietness = 0, destination = None, file = Non
         print("File not found")
         sys.exit(1)
 
-    temp_file = TemporaryFile()
-    real_file = open(file_path, "rb")
-    filename_bytes = os.path.basename(file_path).encode("utf-8")
-    filename_len = len(filename_bytes)
-
-    if filename_len > 0xFFFF:
-        print("Filename exceeds max size, cannot send")
-        RNS.exit(1)
-    else:
-        print("Preparing file...", end=es)
-
-    temp_file.write(filename_len.to_bytes(2, "big"))
-    temp_file.write(filename_bytes)
-    temp_file.write(real_file.read())
-    temp_file.seek(0)
+    metadata = {"name": os.path.basename(file_path).encode("utf-8") }
 
     print(f"{erase_str}", end="")
 
     reticulum = RNS.Reticulum(configdir=configdir, loglevel=targetloglevel)
 
-    identity_path = RNS.Reticulum.identitypath+"/"+APP_NAME
-    if os.path.isfile(identity_path):
-        identity = RNS.Identity.from_file(identity_path)
-        if identity == None:
-            RNS.log("Could not load identity for rncp. The identity file at \""+str(identity_path)+"\" may be corrupt or unreadable.", RNS.LOG_ERROR)
-            RNS.exit(2)
-    else:
-        identity = None
-
     if identity == None:
-        RNS.log("No valid saved identity found, creating new...", RNS.LOG_INFO)
-        identity = RNS.Identity()
-        identity.to_file(identity_path)
+        prepare_identity(identitypath)
 
     if not RNS.Transport.has_path(destination_hash):
         RNS.Transport.request_path(destination_hash)
@@ -719,9 +713,12 @@ def send(configdir, verbosity = 0, quietness = 0, destination = None, file = Non
 
     link.identify(identity)
     auto_compress = True
-    if no_compress:
-        auto_compress = False
-    resource = RNS.Resource(temp_file, link, callback = sender_progress, progress_callback = sender_progress, auto_compress = auto_compress)
+    if no_compress: auto_compress = False
+    try: resource = RNS.Resource(open(file_path, "rb"), link, metadata=metadata, callback = sender_progress, progress_callback = sender_progress, auto_compress = auto_compress)
+    except Exception as e:
+        print(f"Could not start transfer: {e}")
+        RNS.exit(1)
+
     current_resource = resource
 
     while resource.status < RNS.Resource.TRANSFERRING:
@@ -792,8 +789,6 @@ def send(configdir, verbosity = 0, quietness = 0, destination = None, file = Non
             print("\n"+str(file_path)+" copied to "+RNS.prettyhexrep(destination_hash))
         link.teardown()
         time.sleep(0.25)
-        real_file.close()
-        temp_file.close()
         RNS.exit(0)
 
 def main():
@@ -811,10 +806,12 @@ def main():
         parser.add_argument("-f", '--fetch', action='store_true', default=False, help="fetch file from remote listener instead of sending")
         parser.add_argument("-j", "--jail", metavar="path", action="store", default=None, help="restrict fetch requests to specified path", type=str)
         parser.add_argument("-s", "--save", metavar="path", action="store", default=None, help="save received files in specified path", type=str)
+        parser.add_argument('-O', '--overwrite', action='store_true', default=False, help="Allow overwriting received files, instead of adding postfix")
         parser.add_argument("-b", action='store', metavar="seconds", default=-1, help="announce interval, 0 to only announce at startup", type=int)
         parser.add_argument('-a', metavar="allowed_hash", dest="allowed", action='append', help="allow this identity (or add in ~/.rncp/allowed_identities)", type=str)
         parser.add_argument('-n', '--no-auth', action='store_true', default=False, help="accept requests from anyone")
         parser.add_argument('-p', '--print-identity', action='store_true', default=False, help="print identity and destination info and exit")
+        parser.add_argument('-i', metavar="identity", action='store', dest="identity", default=None, help="path to identity to use", type=str)
         parser.add_argument("-w", action="store", metavar="seconds", type=float, help="sender timeout before giving up", default=RNS.Transport.PATH_REQUEST_TIMEOUT)
         parser.add_argument('-P', '--phy-rates', action='store_true', default=False, help="display physical layer transfer rates")
         # parser.add_argument("--limit", action="store", metavar="files", type=float, help="maximum number of files to accept", default=None)
@@ -825,6 +822,7 @@ def main():
         if args.listen or args.print_identity:
             listen(
                 configdir = args.config,
+                identitypath = args.identity,
                 verbosity=args.verbose,
                 quietness=args.quiet,
                 allowed = args.allowed,
@@ -836,12 +834,14 @@ def main():
                 # limit=args.limit,
                 disable_auth=args.no_auth,
                 announce=args.b,
+                allow_overwrite=args.overwrite,
             )
 
         elif args.fetch:
             if args.destination != None and args.file != None:
                 fetch(
                     configdir = args.config,
+                    identitypath = args.identity,
                     verbosity = args.verbose,
                     quietness = args.quiet,
                     destination = args.destination,
@@ -850,6 +850,7 @@ def main():
                     silent = args.silent,
                     phy_rates = args.phy_rates,
                     save = args.save,
+                    allow_overwrite=args.overwrite,
                 )
             else:
                 print("")
@@ -859,6 +860,7 @@ def main():
         elif args.destination != None and args.file != None:
             send(
                 configdir = args.config,
+                identitypath = args.identity,
                 verbosity = args.verbose,
                 quietness = args.quiet,
                 destination = args.destination,

RNS/Utilities/rngit/__init__.py

@@ -0,0 +1,39 @@
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+APP_NAME = "git"
+
+import os
+import glob
+
+py_modules  = glob.glob(os.path.dirname(__file__)+"/*.py")
+pyc_modules = glob.glob(os.path.dirname(__file__)+"/*.pyc")
+modules     = py_modules+pyc_modules
+__all__ = list(set([os.path.basename(f).replace(".pyc", "").replace(".py", "") for f in modules if not (f.endswith("__init__.py") or f.endswith("__init__.pyc"))]))

RNS/Utilities/rngit/client.py

@@ -0,0 +1,715 @@
+#!/usr/bin/env python3
+
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import RNS
+import os
+import sys
+import time
+import shutil
+import threading
+import subprocess
+
+from RNS._version import __version__
+from RNS.Utilities.rngit import APP_NAME
+
+from RNS.vendor.configobj import ConfigObj
+from tempfile import TemporaryDirectory
+
+def program_setup(configdir, rnsconfigdir, destination_hexhash, group_name, repo_name):
+    git_client = ReticulumGitClient(configdir=configdir, rnsconfigdir=rnsconfigdir, destination_hexhash=destination_hexhash,
+                                    group_name=group_name, repo_name=repo_name)
+
+    if not git_client.ready: sys.exit(1)
+    else:                    git_client.run()
+
+def main():
+    if len(sys.argv) < 3:
+        print("Usage: git-remote-rns <remote-name> <url>", file=sys.stderr)
+        sys.exit(1)
+    
+    url = sys.argv[2]
+    if not url.startswith("rns://"):
+        print("Invalid URL scheme. Must be rns://", file=sys.stderr)
+        sys.exit(1)
+
+    try:
+        parts = url[6:].split("/", 2)
+        destination_hexhash = parts[0]
+        group_name = parts[1]
+        repo_name = parts[2]
+    
+    except IndexError: print("Invalid URL format. Use rns://<hash>/<group>/<repo>", file=sys.stderr); sys.exit(1)
+
+    configdir    = os.environ.get("RNGIT_CONFIG", None)
+    rnsconfigdir = os.environ.get("RNS_CONFIG", None)
+
+    program_setup(configdir, rnsconfigdir, destination_hexhash, group_name, repo_name)
+    exit(0)
+
+
+class ReticulumGitClient():
+    PATH_LIST       = "/git/list"
+    PATH_FETCH      = "/git/fetch"
+    PATH_PUSH       = "/git/push"
+    PATH_DELETE     = "/git/delete"
+
+    RES_DISALLOWED  = 0x01
+    RES_INVALID_REQ = 0x02
+    RES_NOT_FOUND   = 0x03
+    RES_REMOTE_FAIL = 0xFF
+
+    IDX_REPOSITORY  = 0x00
+    IDX_RESULT_CODE = 0x01
+
+    REF_BATCH_SIZE  = 25
+    PATH_TIMEOUT    = 15
+    LINK_TIMEOUT    = 15
+
+    def __init__(self, configdir, rnsconfigdir, destination_hexhash, group_name, repo_name):
+        # Client state and configuration
+        self.identity            = None
+        self.userdir             = os.path.expanduser("~")
+        self.config              = None
+        self.ready               = False
+        
+        self.destination_aliases = {}
+        self.remote_identity     = None
+        self.destination         = None
+        self.link                = None
+        self.link_ready          = False
+        self.link_failed         = False
+        self.link_timeout        = self.LINK_TIMEOUT
+        self.path_timeout        = self.PATH_TIMEOUT
+
+        self.destination_hexhash = destination_hexhash
+        self.group_name          = group_name
+        self.repo_name           = repo_name
+        self.repo_path           = f"{group_name}/{repo_name}"
+
+        self.tmp_dir             = TemporaryDirectory()
+        self.request_event       = threading.Event()
+        self.request_response    = None
+        self.response_metadata   = None
+
+        self.ref_batch_size      = self.REF_BATCH_SIZE
+        self.remote_refs         = {}
+
+        self.response_progress      = 0
+        self.previous_progress      = 0
+        self.response_size          = None
+        self.response_transfer_size = None
+        self.progress_updated_at    = None
+        self.progress_enabled       = False
+
+        if configdir != None: self.configdir = configdir
+        else:
+            if os.path.isdir(self.userdir+"/.config/rngit") and os.path.isfile(self.userdir+"/.config/rngit/config"): self.configdir = self.userdir+"/.rngit/reticulum"
+            else: self.configdir = self.userdir+"/.rngit"
+        
+        self.logfile = self.configdir+"/client_log"
+        self.configpath = self.configdir+"/client_config"
+        self.identitypath = self.configdir+"/client_identity"
+
+        if os.path.isfile(self.configpath):
+            try: self.config = ConfigObj(self.configpath)
+            except Exception as e:
+                RNS.log("Could not parse the configuration at "+self.configpath, RNS.LOG_ERROR)
+                return
+        
+        else: self.__create_default_config()
+
+        RNS.logfile = self.logfile
+        try: self.reticulum = RNS.Reticulum(configdir=rnsconfigdir, logdest=RNS.LOG_FILE)
+        except Exception as e:
+            print(f"Failed to initialize Reticulum: {e}", file=sys.stderr)
+            return
+
+        self.__apply_config()
+        self.ready = True
+
+    def __create_default_config(self):
+        self.config = ConfigObj(__default_rngit_config__)
+        self.config.filename = self.configpath
+        if not os.path.isdir(self.configdir): os.makedirs(self.configdir)
+        self.config.write()
+
+    def __apply_config(self):
+        if "logging" in self.config:
+            section = self.config["logging"]
+            if "loglevel" in section: RNS.loglevel = max(RNS.LOG_NONE, min(RNS.LOG_EXTREME, section.as_int("loglevel")))
+        
+        if "client" in self.config:
+            section = self.config["client"]
+            if "ref_batch_size" in section: self.ref_batch_size = max(0, min(1024, section.as_int("ref_batch_size")))
+
+        if "aliases" in self.config:
+            section = self.config["aliases"]
+            for alias in section:
+                alias_hexhash = section[alias]
+                len_ok = len(alias_hexhash) == RNS.Identity.TRUNCATED_HASHLENGTH//8*2
+                try: alias_hash = bytes.fromhex(alias_hexhash)
+                except: alias_hash = None
+                alias_exists = alias in self.destination_aliases
+                if not len_ok or not alias_hash: continue
+                if alias_exists: continue
+                self.destination_aliases[alias] = RNS.hexrep(alias_hash, delimit=False)
+
+        if not os.path.isfile(self.identitypath):
+            identity = RNS.Identity()
+            identity.to_file(self.identitypath)
+            RNS.log(f"Client identity generated and persisted to {self.identitypath}", RNS.LOG_VERBOSE)
+        
+        else:
+            identity = RNS.Identity.from_file(self.identitypath)
+            RNS.log(f"Client identity loaded from {self.identitypath}", RNS.LOG_VERBOSE)
+
+        if not identity:
+            RNS.log("Could not initialize client identity.", RNS.LOG_ERROR)
+            self.ready = False
+        
+        else: self.identity = identity
+
+        self.destination_hexhash = self.__resolve_destination_alias(self.destination_hexhash)
+
+    def __resolve_destination_alias(self, alias):
+        def resolve(alias):
+            len_match = len(alias) == RNS.Identity.TRUNCATED_HASHLENGTH//8*2
+            try: hash_bytes = bytes.fromhex(alias)
+            except: hash_bytes = None
+            if len_match and hash_bytes: return alias
+            else: return self.destination_aliases[alias] if alias in self.destination_aliases else alias
+
+        resolved = resolve(alias)
+        return resolved
+
+    def abort(self, reason=None, code=255):
+        if not reason: reason = "Unknown reason"
+        print(f"git-remote-rns failed: {reason}", file=sys.stderr)
+        if self.link: self.link.teardown()
+        sys.exit(code)
+
+    def connect_server(self):
+        try: destination_hash = bytes.fromhex(self.destination_hexhash)
+        except Exception as e: self.abort(f"Invalid destination hash: {e}")
+
+        RNS.log(f"Requesting path to {RNS.prettyhexrep(destination_hash)}", RNS.LOG_DEBUG)
+        sys.stderr.write(f"Requesting path..."); sys.stderr.flush()
+        if not RNS.Transport.await_path(destination_hash, timeout=self.path_timeout):
+            sys.stderr.write(f"\n"); sys.stderr.flush()
+            self.abort(f"Could not resolve path to {RNS.prettyhexrep(destination_hash)}")
+        
+        else:
+            RNS.log(f"Path to {RNS.prettyhexrep(destination_hash)} resolved", RNS.LOG_DEBUG);
+            sys.stderr.write(f"\rPath resolved     "); sys.stderr.flush()
+
+        self.remote_identity = RNS.Identity.recall(destination_hash)
+        if not self.remote_identity: self.abort("Could not recall remote identity. Is the server announcing?")
+
+        sys.stderr.write(f"\rEstablishing link..."); sys.stderr.flush()
+        self.destination = RNS.Destination(self.remote_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, APP_NAME, "repositories")
+        self.link = RNS.Link(self.destination)
+        self.link.set_link_established_callback(self.link_established)
+        self.link.set_link_closed_callback(self.link_closed)
+
+    def link_established(self, link):
+        RNS.log(f"Link established, identifying...", RNS.LOG_DEBUG)
+        sys.stderr.write(f"\rLink established with remote\n"); sys.stderr.flush()
+        link.identify(self.identity)
+        self.link_ready = True
+
+    def link_closed(self, link):
+        RNS.log(f"Link was closed", RNS.LOG_DEBUG)
+        if not self.link_ready: self.link_failed = True
+
+    def _on_progress(self, transfer_instance):
+        if hasattr(transfer_instance, "progress"):
+            self.response_progress      = transfer_instance.progress
+            self.response_size          = transfer_instance.response_size
+            self.response_transfer_size = transfer_instance.response_transfer_size
+        
+        elif hasattr(transfer_instance, "get_progress") and callable(transfer_instance.get_progress):
+            self.response_progress      = transfer_instance.get_progress()
+            self.response_size          = transfer_instance.total_size
+            self.response_transfer_size = transfer_instance.size
+        
+        now = time.time()
+        if self.progress_updated_at == None: self.progress_updated_at = now
+
+        if now > self.progress_updated_at+1:
+            td = now - self.progress_updated_at
+            pd = self.response_progress - self.previous_progress
+            bd = pd*self.response_size if self.response_size else 0
+            self.response_speed = (bd/td)*8 if td > 0 else 0
+            self.previous_progress = self.response_progress
+            self.progress_updated_at = now
+            
+            # Report progress to git via stderr
+            if self.progress_enabled and self.response_size:
+                percent = round(self.response_progress * 100, 1)
+                size = self.response_size
+                rxd = size*self.response_progress
+                speed_kbps = (self.response_speed / 1000) if hasattr(self, 'response_speed') else 0
+                sys.stderr.write(f"Transferring: {percent}% ({RNS.prettysize(rxd)}/{RNS.prettysize(size)}) {RNS.prettyspeed(self.response_speed)}          \r")
+                sys.stderr.flush()
+
+    ################################
+    # Synchronous Request Wrappers #
+    ################################
+
+    def _response_ready(self, request_receipt):
+        self.request_response = request_receipt.response
+        self.response_metadata = request_receipt.metadata
+
+        if hasattr(self.request_response, "read") and callable(self.request_response.read):
+            response_path = self.request_response.name
+            base_name = os.path.basename(response_path)
+            retained_path = os.path.join(self.tmp_dir.name, base_name)
+            shutil.move(response_path, retained_path)
+            self.request_response = open(retained_path, "rb")
+
+        self.request_event.set()
+
+    def _response_failed(self, request_receipt=None):
+        self.request_response = None
+        self.request_event.set()
+
+    def send_request(self, path, data, timeout=7200):
+        if not self.link_ready: self.abort("Link not ready for request")
+        
+        self.request_event.clear()
+        self.request_response  = None
+        self.response_metadata = None
+        self.previous_progress = 0
+        self.progress_updated_at = None
+        
+        RNS.log(f"Sending request: {path}", RNS.LOG_DEBUG)
+        request_receipt = self.link.request(path, data, progress_callback=self._on_progress, response_callback=self._response_ready, failed_callback=self._response_failed, timeout=timeout)
+        if request_receipt.resource: request_receipt.resource.progress_callback(self._on_progress)
+        self.request_event.wait(timeout=timeout)
+        
+        if self.request_response is None: self.abort("Request failed or timed out")
+        RNS.log(f"Got response for: {path}", RNS.LOG_DEBUG)
+        
+        return self.request_response, self.response_metadata
+
+    #############################
+    # Git Helper Protocol Logic #
+    #############################
+
+    def _detach_stdout(self):
+        sys.stdout = open(os.devnull, "w")
+        sys.stderr = open(os.devnull, "w")
+
+    def run(self):
+        try: self.connect_server()
+        except Exception as e: self.abort(str(e))
+
+        timeout = self.link_timeout
+        while not self.link_ready and not self.link_failed and timeout > 0:
+            time.sleep(0.5)
+            timeout -= 1
+
+        if not self.link_ready: self.abort("Failed to establish link")
+
+        self.progress_enabled = False
+
+        git_stdin  = sys.stdin
+        git_stdout = sys.stdout
+        git_stderr = sys.stderr
+
+        fetch_queue = []
+        push_queue  = []
+
+        while True:
+            line = git_stdin.readline()
+            if not line: break
+
+            line = line.strip()
+            if line == "capabilities":
+                git_stdout.write("list\n")
+                git_stdout.write("fetch\n")
+                git_stdout.write("push\n")
+                git_stdout.write("option\n")
+                git_stdout.write("\n")
+                git_stdout.flush()
+
+            elif line == "list": self.handle_git_list(git_stdout)
+
+            elif line.startswith("list "): self.handle_git_list(git_stdout, for_push=True) # List for push
+
+            elif line.startswith("option"):
+                # Line format: option <name> <value>
+                parts = line.split(maxsplit=2)
+                opt_name = parts[1] if len(parts) > 1 else ""
+                opt_value = parts[2] if len(parts) > 2 else ""
+                
+                if opt_name == "progress": self.progress_enabled = opt_value.lower() in ("true", "1", "yes"); git_stdout.write("ok\n")
+                else: git_stdout.write("unsupported\n")
+                
+                git_stdout.flush()
+
+            elif line.startswith("fetch"):
+                # Line format: fetch <sha> <ref>
+                parts = line.split()
+                sha = parts[1]
+                ref = parts[2]
+                # Avoid duplicates in the same batch - TODO: Re-evaluate this
+                if (sha, ref) not in fetch_queue: fetch_queue.append((sha, ref))
+                push_queue = []
+
+            elif line.startswith("push"):
+                # Line format: push <local_ref>:<remote_ref>
+                parts = line.split()
+                refspec = parts[1]
+                local_ref, remote_ref = refspec.split(":", 1)
+                push_queue.append((local_ref, remote_ref))
+                fetch_queue = []
+
+            elif line == "": # End of batch
+                try:
+                    self.process_fetch_queue(fetch_queue, git_stdout, self.progress_enabled, self.ref_batch_size)
+                    self.process_push_queue(push_queue, git_stdout, git_stderr, self.progress_enabled)
+                    fetch_queue = []
+                    push_queue = []
+                    git_stdout.write("\n")
+                    git_stdout.flush()
+                
+                except BrokenPipeError:
+                    self._detach_stdout()
+                    RNS.log("Git closed connection, exiting", RNS.LOG_DEBUG)
+                    break
+
+            else: self.abort(f"Unknown Git command: {line}")
+
+        try: sys.stdout.flush()
+        except BrokenPipeError: pass
+
+        if self.link: self.link.teardown()
+
+    def handle_git_list(self, git_stdout, for_push=False):
+        RNS.log("Handle git list" + (" for-push" if for_push else ""), RNS.LOG_DEBUG)
+        request_data = {self.IDX_REPOSITORY: self.repo_path, "for_push": for_push}
+        response, metadata = self.send_request(self.PATH_LIST, request_data)
+
+        if not response or not isinstance(response, bytes): self.abort("Invalid list response from server")
+
+        status_byte = response[0]
+        payload = response[1:]
+
+        if status_byte != 0: self.abort(f"Server refused list: {payload.decode('utf-8', errors='ignore')}")
+
+        response_text = payload.decode("utf-8")
+
+        self.remote_refs = {}
+        for line in response_text.split("\n"):
+            line = line.strip()
+            if not line: continue
+            parts = line.split(" ", 1)
+            if len(parts) == 2:
+                sha, ref_name = parts
+                if ref_name == "HEAD": continue
+                self.remote_refs[ref_name] = sha
+
+        git_stdout.write(response_text)
+        git_stdout.write("\n") # Required to terminate list
+        git_stdout.flush()
+
+    def escape_for_stdout(self, value):
+        if isinstance(value, bytes): value = value.decode('utf-8', errors='replace')
+
+        escaped = '"'
+        for char in value:
+            if   char == '\\': escaped += '\\\\'
+            elif char == '"': escaped += '\\"'
+            elif char == '\n': escaped += '\\n'
+            elif char == '\t': escaped += '\\t'
+            elif char == '\r': escaped += '\\r'
+            elif ord(char) < 32 or ord(char) > 126: escaped += f'\\x{ord(char):02x}'
+            else: escaped += char
+        
+        return escaped + '"'
+
+    def process_fetch_queue(self, fetch_queue, git_stdout, progress_enabled=False, ref_batch_size=REF_BATCH_SIZE):
+        import tempfile
+        import subprocess
+
+        if not fetch_queue: return
+
+        # Build a global have list from all remote refs that the client already has objects for
+        have_shas = []
+        for sha in self.remote_refs.values():
+            try:
+                result = subprocess.run(["git", "cat-file", "-t", sha], capture_output=True, check=False)
+                if result.returncode == 0: have_shas.append(sha)
+            
+            except Exception as e: RNS.log(f"Could not verify remote SHA {sha} locally: {e}", RNS.LOG_WARNING)
+
+        while fetch_queue:
+            batch = fetch_queue[:ref_batch_size]
+            fetch_queue = fetch_queue[ref_batch_size:]
+
+            refs_list = []
+            for sha, ref in batch:
+                ref_entry = {"sha": sha, "ref": ref}
+                try:
+                    # Attempt to get local ref SHA for incremental bundle generation on remote
+                    result = subprocess.run(["git", "rev-parse", ref], capture_output=True, text=True, check=False)
+                    if result.returncode == 0:
+                        local_sha = result.stdout.strip()
+                        if local_sha != sha: ref_entry["have"] = local_sha
+
+                except Exception as e:
+                    RNS.log(f"Could not resolve local SHA for {ref} during fetch enumeration, getting full history for this ref: {e}", RNS.LOG_WARNING)
+
+                refs_list.append(ref_entry)
+
+            ref_names = [ref for _, ref in batch]
+            RNS.log(f"Fetching batch of {len(refs_list)} refs: {ref_names} (have {len(have_shas)} common objects)", RNS.LOG_DEBUG)
+
+            request_data = { self.IDX_REPOSITORY: self.repo_path, "refs": refs_list }
+            if have_shas: request_data["have"] = have_shas
+
+            response, metadata = self.send_request(self.PATH_FETCH, request_data)
+
+            if not response: self.abort(f"No data in fetch response for batch")
+            if not metadata:
+                if not isinstance(response, bytes): self.abort(f"Invalid fetch response for batch")
+                status_byte = response[0]
+
+                if status_byte == 0:
+                    RNS.log(f"Server returned empty bundle, all objects already exist locally", RNS.LOG_DEBUG)
+                    continue
+
+                else:
+                    error_msg = response[1:].decode('utf-8', errors='ignore')
+                    self.abort(f"Fetch failed for batch: {error_msg}")
+
+            else:
+                if not self.IDX_RESULT_CODE in metadata: self.abort(f"No result metadata on bundle response")
+                status_byte = metadata[self.IDX_RESULT_CODE]
+                if status_byte == 0: bundle_path = response.name
+                else: self.abort(f"Unknown remote state for batch ref fetch")
+
+                if progress_enabled:
+                    size = os.stat(bundle_path).st_size
+                    sys.stderr.write(f"Transferring: 100% ({RNS.prettysize(size)}).                       \n")
+                    sys.stderr.flush()
+
+                stderr_arg = sys.stderr if progress_enabled else subprocess.DEVNULL
+
+                verify_cmd = ["git", "bundle", "verify", "-q", bundle_path]
+                verify_result = subprocess.run(verify_cmd, stderr=subprocess.DEVNULL, stdout=subprocess.DEVNULL)
+
+                if verify_result.returncode != 0: self.abort(f"Bundle verification failed for batch")
+
+                unbundle_cmd = ["git", "bundle", "unbundle"]
+                if progress_enabled: unbundle_cmd.append("--progress")
+                unbundle_cmd.append(bundle_path)
+
+                unbundle_result = subprocess.run(unbundle_cmd, stderr=stderr_arg, stdout=subprocess.DEVNULL)
+
+                if unbundle_result.returncode != 0: self.abort(f"Bundle unbundle failed for batch: Non-zero return code")
+
+    def process_push_queue(self, push_queue, git_stdout, git_stderr, progress_enabled=False):
+        import tempfile
+        import subprocess
+
+        for local_ref, remote_ref in push_queue:
+            RNS.log(f"Pushing {local_ref} to {remote_ref}", RNS.LOG_DEBUG)
+
+            # Handle potential deletions
+            if not local_ref or local_ref == "":
+                request_data = { self.IDX_REPOSITORY: self.repo_path, "ref": remote_ref }
+                response, metadata = self.send_request(self.PATH_DELETE, request_data)
+
+                if not response or not isinstance(response, bytes):
+                    git_stdout.write(f"error {remote_ref} {self.escape_for_stdout('No response from server')}\n")
+                    git_stdout.flush()
+                    continue
+
+                status_byte = response[0]
+                if status_byte != 0:
+                    error_msg = response[1:].decode("utf-8", errors="ignore")
+                    git_stdout.write(f"error {remote_ref} {self.escape_for_stdout(error_msg)}\n")
+                    git_stdout.flush()
+                    continue
+
+                git_stdout.write(f"ok {remote_ref}\n")
+                git_stdout.flush()
+                continue
+
+            force = local_ref.startswith("+")
+            if force: local_ref = local_ref[1:]
+
+            stderr_arg = sys.stderr if progress_enabled else subprocess.DEVNULL
+
+            # Resolve the SHA that local_ref points to
+            sha_result = subprocess.run(["git", "rev-parse", local_ref], capture_output=True, text=True, check=False)
+            if sha_result.returncode != 0:
+                error_msg = f"Could not resolve local ref {local_ref}"
+                git_stdout.write(f"error {remote_ref} {self.escape_for_stdout(error_msg)}\n")
+                git_stdout.flush()
+                continue
+
+            local_sha = sha_result.stdout.strip()
+
+            bundle_empty = False
+            with tempfile.TemporaryDirectory() as tmpdir:
+                bundle_path = tmpdir + "/push.bundle"
+
+                create_cmd = ["git", "bundle", "create", bundle_path, local_ref]
+
+                # Exclude all remote ref SHAs that exist locally, so the
+                # bundle only contains objects the remote doesn't already have
+                exclude_count = 0
+                for sha in self.remote_refs.values():
+                    try:
+                        # We need to verify each SHA actually exists locally, since git
+                        # bundle create will fail if a ^<sha> argument references an object
+                        # not present in the local repository.
+                        result = subprocess.run(["git", "cat-file", "-t", sha], capture_output=True, check=False)
+                        if result.returncode == 0:
+                            create_cmd.append(f"^{sha}")
+                            exclude_count += 1
+                    
+                    except Exception as e: RNS.log(f"Could not verify remote SHA {sha} locally: {e}", RNS.LOG_WARNING)
+
+                RNS.log(f"Excluding {exclude_count}/{len(self.remote_refs)} remote refs for {local_ref}", RNS.LOG_DEBUG)
+
+                if progress_enabled: create_cmd.insert(3, "--progress")
+
+                create_result = subprocess.run(create_cmd, capture_output=True, text=True, check=False)
+
+                if create_result.returncode == 0:
+                    if create_result.stderr:
+                        # git_stderr.write(create_result.stderr)
+                        pass
+                else:
+                    if "empty bundle" in create_result.stderr.lower():
+                        # All objects reachable from local_ref already exist on
+                        # the remote. In this case, no bundle is needed and we can
+                        # update the ref directly via the operations path instead.
+                        bundle_empty = True
+                        RNS.log(f"Empty bundle for {local_ref}, all objects already on remote", RNS.LOG_DEBUG)
+
+                    else:
+                        if progress_enabled and create_result.stderr: git_stderr.write(create_result.stderr)
+                        error_msg = "Bundle creation failed"
+                        git_stdout.write(f"error {remote_ref} {self.escape_for_stdout(error_msg)}\n")
+                        git_stdout.flush()
+                        continue
+
+                if not bundle_empty:
+                    with open(bundle_path, "rb") as f: bundle_data = f.read()
+
+                    request_data = { self.IDX_REPOSITORY: self.repo_path, "local_ref": local_ref, "remote_ref": remote_ref,
+                                     "force": force, "bundle": bundle_data }
+                    
+                    response, metadata = self.send_request(self.PATH_PUSH, request_data)
+
+                    if not response or not isinstance(response, bytes):
+                        git_stdout.write(f"error {remote_ref} {self.escape_for_stdout('No response from server')}\n")
+                        git_stdout.flush()
+                        continue
+
+                    status_byte = response[0]
+                    if status_byte != 0:
+                        error_msg = response[1:].decode('utf-8', errors='ignore')
+                        git_stdout.write(f"error {remote_ref} {self.escape_for_stdout(error_msg)}\n")
+                        git_stdout.flush()
+                        continue
+
+            # When all reachable objects already exist on the remote, send a
+            # direct ref update operation instead of a bundle.
+            if bundle_empty:
+                operation    = {"action": "update_ref", "ref": remote_ref, "sha": local_sha, "force": force}
+                request_data = { self.IDX_REPOSITORY: self.repo_path,
+                                 "operations": [operation] }
+
+                response, metadata = self.send_request(self.PATH_PUSH, request_data)
+
+                if not response or not isinstance(response, bytes):
+                    git_stdout.write(f"error {remote_ref} {self.escape_for_stdout('No response from server')}\n")
+                    git_stdout.flush()
+                    continue
+
+                status_byte = response[0]
+                if status_byte != 0:
+                    error_msg = response[1:].decode('utf-8', errors='ignore')
+                    git_stdout.write(f"error {remote_ref} {self.escape_for_stdout(error_msg)}\n")
+                    git_stdout.flush()
+                    continue
+
+            git_stdout.write(f"ok {remote_ref}\n")
+            git_stdout.flush()
+
+
+__default_rngit_config__ = '''# This is the default rngit client config file.
+
+[client]
+
+# You can control the batch size of ref transfers
+# using the ref_batch_size directive:
+
+ref_batch_size = 25
+
+
+[aliases]
+
+# You can define aliases for commonly used destination
+# hashes in this section. Each line must be in the format
+# aliased_name = DESTINATION_HASH
+#
+# These hashes are used for resolving remote destinations.
+# For rngit node permissions and identity resolution,
+# aliases must be defined in ~/.rngit/config.
+
+# my_node = 063d38912bffc850af4a1b8a270a9d85
+# bobs_node = 714981d03e41deda0e4468cb274414cc
+
+
+[logging]
+# Valid log levels are 0 through 7:
+#   0: Log only critical information
+#   1: Log errors and lower log levels
+#   2: Log warnings and lower log levels
+#   3: Log notices and lower log levels
+#   4: Log info and lower (this is the default)
+#   5: Verbose logging
+#   6: Debug logging
+#   7: Extreme logging
+
+loglevel = 4
+
+'''.splitlines()
+
+if __name__ == "__main__": main()

RNS/Utilities/rngit/highlight.py

@@ -0,0 +1,412 @@
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import os
+import io
+import RNS
+
+class SyntaxHighlighter:
+    
+    def __init__(self, theme=None):
+        self.pygments_available = False
+        self.pygments = None
+        self._lexer_cache = {}
+        self._check_pygments()
+        self.theme = theme or self._get_default_theme()
+    
+    def _get_default_theme(self):
+        return {
+            # Control flow - warm coral-red
+            "keyword": "ff7b72",
+            "keyword_constant": "ff7b72",
+            "keyword_control": "ff7b72",
+            "keyword_declaration": "ff7b72",
+            
+            # Function definitions - bright sky blue
+            "function_def": "79c0ff",
+            "function_magic": "ff7b72",
+            
+            # Function calls - soft lavender
+            "function_call": "d2a8ff",
+            "function_builtin": "ffa657",    # amber
+            
+            # Class definitions - fresh mint green
+            "class_def": "7ee787",
+            "class_ref": "56d364",           # muted when referenced
+            
+            # Instance context - soft pink
+            "self": "ff9bce",
+            "cls": "ff9bce",
+            
+            # Data literals - cool, calm ice blue
+            "string": "a5d6ff",
+            "string_quoted": "a5d6ff",
+            "string_doc": "8b949e",          # docstrings - like comments
+            "string_interpol": "ffd700",     # f-string braces - gold
+            "string_escape": "ffea00",       # escape sequences - bright yellow
+            
+            # Numbers - same as function def
+            "number": "79c0ff",
+            "number_float": "79c0ff",
+            "number_integer": "79c0ff",
+            "number_hex": "79c0ff",
+            
+            # Comments - muted gray
+            "comment": "8b949e",
+            "comment_doc": "8b949e",
+            "comment_preproc": "ff7b72",     # preprocessor directives
+            
+            # Operators - distinct pink/red for visibility
+            "operator": "ff7b72",            # General operators - coral
+            "operator_arithmetic": "ff7b72", # +, -, *, /, etc.
+            "operator_comparison": "ff7b72", # ==, !=, <, >, etc.
+            "operator_assignment": "ff7b72", # =, +=, -=, etc.
+            "operator_word": "ff7b72",       # and, or, not, in, is
+            "operator_dot": "c9d1d9",        # . - subtle for attribute access
+            
+            # Punctuation - neutral
+            "punctuation": "b4b4b4",
+            "punctuation_brace": "b4b4b4",   # [, ], {, }
+            "punctuation_paren": "b4b4b4",   # (, )
+            "punctuation_colon": "b4b4b4",   # :, ;
+            "punctuation_comma": "8b949e",   # , - slightly dimmed
+            
+            # Decorators - burnt orange
+            "decorator": "f0883e",
+            
+            # Constants - same as keywords
+            "constant": "ff7b72",
+            "constant_builtin": "ff7b72",    # True, False, None
+            
+            # Type hints and annotations - amber
+            "type_hint": "ffa657",
+            "type_builtin": "ffa657",
+            
+            # Exception handling - alert red
+            "exception": "f85149",
+            "exception_builtin": "f85149",
+            
+            # Names and attributes - near-white for readability
+            "name": "e6edf3",
+            "attribute": "e6edf3",
+            "attribute_call": "d2a8ff",       # Function/method calls after dot - lavender
+            "variable": "e6edf3",
+            "parameter": "e6edf3",
+            
+            # Namespaces and modules
+            "namespace": "7ee787",
+            "module": "a5d6ff",
+            
+            # Generic tokens
+            "generic_heading": "c9d1d9",
+            "generic_subheading": "c9d1d9",
+            "generic_prompt": "8b949e",
+            "generic_error": "f85149",
+            "generic_deleted": "f85149",
+            "generic_inserted": "7ee787",
+            "generic_output": "e6edf3",
+            
+            # Text and whitespace - no color (None means no color tag)
+            "text": None,
+            "whitespace": None,
+        }
+    
+    def _check_pygments(self):
+        try:
+            import pygments
+            from pygments.lexers import get_lexer_for_filename, guess_lexer, get_lexer_by_name
+            from pygments.formatter import Formatter
+            from pygments.token import Token
+            
+            self.pygments = pygments
+            self.pygments_available = True
+            RNS.log("Pygments syntax highlighting available", RNS.LOG_DEBUG)
+            
+        except ImportError:
+            self.pygments_available = False
+            RNS.log("Pygments not available, using plain text rendering", RNS.LOG_DEBUG)
+    
+    def highlight(self, content, filename=None, language=None):
+        if not content: return self._plain_text(content)
+        
+        if self.pygments_available:
+            try:
+                highlighted = self._highlight_pygments(content, filename, language)
+                # Fix pygments insisting on trailing newlines
+                if highlighted.endswith("\n") and not content.endswith("\n"): highlighted = highlighted[:-1]
+                return highlighted
+            
+            except Exception as e:
+                RNS.log(f"Pygments highlighting failed, falling back: {e}", RNS.LOG_WARNING)
+                return self._plain_text(content).replace("\\", "\\\\")
+        
+        # TODO: Implement Python tokenize fallback for .py files.
+        # For now, route to plain text
+        if filename and filename.endswith(".py"):
+            return self._plain_text(content).replace("\\", "\\\\")
+        
+        # Universal fallback
+        return self._plain_text(content).replace("\\", "\\\\")
+    
+    def _highlight_pygments(self, content, filename=None, language=None):
+        from pygments.lexers import get_lexer_for_filename, guess_lexer, get_lexer_by_name
+        from pygments.util import ClassNotFound
+        
+        lexer = None        
+        if language:
+            if language == "env":         language = "bash"
+            if language == "environment": language = "bash"
+            try: lexer = get_lexer_by_name(language)
+            except ClassNotFound: pass
+        
+        if lexer is None and filename:
+            try: lexer = get_lexer_for_filename(filename)
+            except ClassNotFound: pass
+        
+        if lexer is None:
+            try:
+                if len(content) > 20: lexer = guess_lexer(content)
+            except ClassNotFound: pass
+        
+        if lexer is None: return self._plain_text(content)
+
+        formatter = MicronFormatter(theme=self.theme)
+        result = self.pygments.highlight(content, lexer, formatter)
+        return result
+    
+    def _plain_text(self, content):
+        escaped = self._escape_micron(content)
+        return f"`=\n{escaped}\n`="
+    
+    @staticmethod
+    def _escape_micron(text): return text.replace("`", "\\`")
+
+
+class MicronFormatter:
+    def __init__(self, theme, **options):
+        self.theme = theme
+        self.options = options
+    
+    def format(self, tokensource, outfile):
+        output_parts = []
+        prev_was_dot = False
+        
+        last_ended_with_break = True
+        for ttype, value in tokensource:
+            is_dot = (str(ttype) == "Token.Operator" and value == ".")
+            ends_with_break = value.endswith("\n")
+            
+            # If previous token was a dot and this is a Name, treat as attribute/function call
+            # TODO: Improve this if we can check next token as parantheses or something.
+            if prev_was_dot and str(ttype).startswith("Token.Name") and value:
+                color = self._get_color_from_key("attribute_call")
+                if color:
+                    escaped = self._escape_value(value)
+                    output_parts.append(f"`FT{color}{escaped}`f")
+                else:
+                    output_parts.append(self._escape_value(value))
+            
+            else:
+                color_key = self._get_color_key_for_token(ttype)
+                color = self._get_color_from_key(color_key)
+                
+                if color and value:
+                    escaped = self._escape_value(value)
+                    if escaped.startswith("\n"): ilb = "\n"; escaped = escaped[1:]
+                    else:                        ilb = ""
+                    if escaped.endswith("\n"):   tlb = "\n"; escaped = escaped[:-1]
+                    else:                        tlb = ""
+
+                    if len(escaped): output = f"{ilb}`FT{color}{escaped}`f{tlb}"
+                    else:            output = f"{ilb}{tlb}"
+
+                    output_parts.append(output)
+                
+                else:
+                    escaped = self._escape_value(value)
+                    if "\n" in escaped:
+                        parts = []
+                        splitl = escaped.splitlines()
+                        if len(splitl) > 1:
+                            for line in splitl:
+                                if   line.startswith("-"): l = f"\\{line}"
+                                elif line.startswith(">"): l = f"\\{line}"
+                                elif line.startswith("<"): l = f"\\{line}"
+                                else:                      l = line
+                                parts.append(l)
+                            trmpart = "\n" if escaped.endswith("\n") else ""
+                            escaped = "\n".join(parts)+trmpart
+
+                    elif last_ended_with_break:
+                        if   escaped.startswith("-"): escaped = f"\\{escaped}"
+                        elif escaped.startswith(">"): escaped = f"\\{escaped}"
+                        elif escaped.startswith("<"): escaped = f"\\{escaped}"
+                    
+                    output_parts.append(escaped)
+            
+            prev_was_dot = is_dot
+            last_ended_with_break = ends_with_break
+        
+        output = "".join(output_parts)
+        outfile.write(output)
+    
+    def _get_color_key_for_token(self, ttype):
+        token_parts = []
+        current = ttype
+        while current:
+            token_parts.insert(0, current[0] if isinstance(current, tuple) else str(current).split(".")[-1])
+            current = current.parent if hasattr(current, "parent") else None
+        
+        token_str = ".".join(["Token"] + token_parts[1:] if len(token_parts) > 1 else token_parts)
+
+        current_type = ttype
+        while current_type:
+            token_key = str(current_type)
+            if token_key in granular_token_map: return granular_token_map[token_key]
+            
+            # Move to parent
+            current_type = current_type.parent if hasattr(current_type, "parent") else None
+        
+        return None
+    
+    def _get_color_from_key(self, color_key):
+        if color_key and color_key in self.theme: return self.theme[color_key]
+        return None
+    
+    @staticmethod
+    def _escape_value(value):
+        return value.replace("\\", "\\\\").replace("`", "\\`")
+    
+    # Required by Pygments formatter API, returns None for Micron
+    def get_style_defs(self, arg=None): return None
+
+
+# Convenience function for direct use
+def highlight_code(content: str, filename: str = None, language: str = None, theme=None) -> str:
+    highlighter = SyntaxHighlighter(theme=theme)
+    return highlighter.highlight(content, filename, language)
+
+granular_token_map = {
+    # Keywords with semantic distinction
+    "Token.Keyword": "keyword",
+    "Token.Keyword.Constant": "keyword_constant",
+    "Token.Keyword.Declaration": "keyword_declaration",
+    "Token.Keyword.Namespace": "keyword_control",
+    "Token.Keyword.Pseudo": "keyword_control",
+    "Token.Keyword.Reserved": "keyword_control",
+    "Token.Keyword.Type": "type_builtin",
+    
+    # Names - functions with definition vs call distinction
+    "Token.Name.Function": "function_call",
+    "Token.Name.Function.Magic": "function_magic",
+    "Token.Name.Class": "class_ref",
+    "Token.Name.Builtin": "function_builtin",
+    "Token.Name.Builtin.Pseudo": "constant_builtin",
+    "Token.Name.Exception": "exception_builtin",
+    "Token.Name.Decorator": "decorator",
+    "Token.Name.Namespace": "namespace",
+    "Token.Name.Attribute": "attribute",
+    "Token.Name.Variable": "variable",
+    "Token.Name.Variable.Magic": "function_magic",
+    "Token.Name.Other": "name",
+    "Token.Name": "name",
+    "Token.Name.Tag": "keyword",  # HTML/XML tags
+    "Token.Name.Constant": "constant",
+    "Token.Name.Label": "name",
+    "Token.Name.Entity": "name",
+    
+    # Literals - strings with detailed handling
+    "Token.Literal.String": "string",
+    "Token.Literal.String.Affix": "string",  # f, r, b prefixes
+    "Token.Literal.String.Backtick": "string",
+    "Token.Literal.String.Char": "string",
+    "Token.Literal.String.Delimiter": "string",
+    "Token.Literal.String.Doc": "string_doc",
+    "Token.Literal.String.Double": "string_quoted",
+    "Token.Literal.String.Escape": "string_escape",
+    "Token.Literal.String.Heredoc": "string",
+    "Token.Literal.String.Interpol": "string_interpol",
+    "Token.Literal.String.Other": "string",
+    "Token.Literal.String.Regex": "string",
+    "Token.Literal.String.Single": "string_quoted",
+    "Token.Literal.String.Symbol": "string",
+    
+    # Numbers
+    "Token.Literal.Number": "number",
+    "Token.Literal.Number.Bin": "number",
+    "Token.Literal.Number.Float": "number_float",
+    "Token.Literal.Number.Hex": "number_hex",
+    "Token.Literal.Number.Integer": "number_integer",
+    "Token.Literal.Number.Integer.Long": "number_integer",
+    "Token.Literal.Number.Oct": "number",
+    "Token.Literal": "string",
+    "Token.Literal.Date": "string",
+    
+    # Operators - all operators get distinct coloring
+    "Token.Operator": "operator",
+    "Token.Operator.Word": "operator_word",
+    "Token.Operator.Comparison": "operator_comparison",
+    "Token.Operator.Assignment": "operator_assignment",
+    "Token.Operator.Arithmetic": "operator_arithmetic",
+    
+    # Punctuation - braces, parens, colons, commas
+    "Token.Punctuation": "punctuation",
+    "Token.Punctuation.Marker": "punctuation",
+    "Token.Punctuation.Brace": "punctuation_brace",
+    "Token.Punctuation.Bracket": "punctuation_brace",
+    "Token.Punctuation.Parenthesis": "punctuation_paren",
+    "Token.Punctuation.Colon": "punctuation_colon",
+    "Token.Punctuation.Comma": "punctuation_comma",
+    
+    # Comments
+    "Token.Comment": "comment",
+    "Token.Comment.Hashbang": "comment",
+    "Token.Comment.Multiline": "comment_doc",
+    "Token.Comment.Preproc": "comment_preproc",
+    "Token.Comment.Single": "comment",
+    "Token.Comment.Special": "comment",
+    
+    # Generic tokens
+    "Token.Generic.Deleted": "generic_deleted",
+    "Token.Generic.Emph": "text",
+    "Token.Generic.Error": "generic_error",
+    "Token.Generic.Heading": "generic_heading",
+    "Token.Generic.Inserted": "generic_inserted",
+    "Token.Generic.Output": "generic_output",
+    "Token.Generic.Prompt": "generic_prompt",
+    "Token.Generic.Strong": "text",
+    "Token.Generic.Subheading": "generic_subheading",
+    "Token.Generic.Traceback": "generic_error",
+    "Token.Generic": "text",
+    
+    # Text and whitespace
+    "Token.Text": "text",
+    "Token.Text.Whitespace": "whitespace",
+}

RNS/Utilities/rngit/main.py

@@ -0,0 +1,40 @@
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import sys
+from RNS.Utilities.rngit import client, server
+
+if __name__ == "__main__":
+    cmd = sys.argv[0]
+    if   cmd == "rngit":          ec = server.main()
+    elif cmd == "git-remote-rns": ec = client.main()
+    else: raise NotImplementedError(f"The {cmd} executable entrypoint is not yet implemented in rngit")
+
+    sys.exit(ec)

RNS/Utilities/rngit/util.py

@@ -0,0 +1,816 @@
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import re
+import RNS
+
+# Validate ref names according to https://git-scm.com/docs/git-check-ref-format
+# This may be a bit overkill, since git validates names as well, but why not.
+def san_ref(ref):
+    if ref.startswith("-"):                return None
+    if ref.startswith("/"):                return None
+    if ref.endswith("/"):                  return None
+    if ref.endswith("."):                  return None
+
+    if " "     in ref:                     return None
+    if not "/" in ref:                     return None
+    if ".."    in ref:                     return None
+    if "/."    in ref:                     return None
+    if "//"    in ref:                     return None
+    if "\\"    in ref:                     return None
+
+    for comp in ref.split("/"):
+        if comp.endswith(".lock"):         return None
+
+    if not all(ord(c) >= 40 for c in ref): return None # Any control character
+    if "\x7f" in ref:                      return None # ASCII DEL (177)
+    if "~"    in ref:                      return None
+    if "^"    in ref:                      return None
+    if ":"    in ref:                      return None
+    if "?"    in ref:                      return None
+    if "*"    in ref:                      return None
+    if "["    in ref:                      return None
+    if "@{"   in ref:                      return None
+    if "@"    == ref:                      return None
+
+    return ref
+
+def san_refs(refs):
+    if not type(refs) == list: return None
+    for ref in refs:
+        if not san_ref(ref): return None
+
+    return refs
+
+# Git SHA format validation
+def san_sha(sha):
+    if len(sha) < 40: return None
+    try: bytes.fromhex(sha)
+    except: return None
+    return sha
+
+class MarkdownToMicron:    
+    BOLD = "`!"
+    BOLD_END = "`!"
+    ITALIC = "`*"
+    ITALIC_END = "`*"
+    UNDERLINE = "`_"
+    UNDERLINE_END = "`_"
+    
+    CODE_BG = "`BT282828"
+    CODE_BG_INLINE = "`BT383838"
+    CODE_FG = "`Fddd"
+    CODE_RESET = "`f`b"
+    
+    LITERAL_START = "`="
+    LITERAL_END = "`="
+    
+    BULLET = "•"
+    
+    # Regex patterns for markdown elements
+    HEADER_RE = re.compile(r'^(#{1,6})\s+(.+)$')
+    CODE_FENCE_RE = re.compile(r'^(\s*)```(.*)$')
+    HORIZONTAL_RULE_RE = re.compile(r'^(\s*)(---+|===+|\*\*\*+|___+)\s*$')
+    UNORDERED_LIST_RE = re.compile(r'^(\s*)([-*+])\s+(.+)$')
+    
+    # Table patterns
+    TABLE_ROW_RE = re.compile(r'^\s*\|?(.+?)\|?\s*$')
+    TABLE_SEP_RE = re.compile(r'^\s*\|?(?:\s*:?-+:?\s*\|)+\s*$')
+    
+    # Quote pattern
+    QUOTE_RE = re.compile(r'^>\s?(.*)$')
+    
+    # Inline patterns (processed in order of specificity)
+    LINK_RE = re.compile(r'\[([^\]]+)\]\(([^)]+)\)')
+    INLINE_CODE_RE = re.compile(r'`([^`]+)`')
+    BOLD_RE = re.compile(r'\*\*(.+?)\*\*|__(.+?)__')
+    ITALIC_RE = re.compile(r'\*(.+?)\*|_(.+?)_')
+
+    TABLE_H = "─"
+    TABLE_V = "│"
+    TABLE_TL = "┌"
+    TABLE_TR = "┐"
+    TABLE_BL = "└"
+    TABLE_BR = "┘"
+    TABLE_ML = "├"
+    TABLE_MR = "┤"
+    TABLE_TM = "┬"
+    TABLE_BM = "┴"
+    TABLE_MM = "┼"
+    
+    TABLE_MIN_COL_WIDTH = 3
+
+    def __init__(self, max_width=100, syntax_highlighter=None, url_scope=None):
+        self.max_width = max_width
+        self.local_url_scope = url_scope or ":/page/"
+        self.__local_url_scope = self.local_url_scope
+        self.syntax_highlighter = syntax_highlighter
+        self.wcwidth = None
+
+        self.bold_links = True
+        self.underline_links = True
+        self.link_color = None
+        
+        try:
+            import wcwidth
+            self.wcwidth = wcwidth
+
+        except: RNS.log(f"The wcwidth module is unavailable, display width calculations for some glyphs will be incorrect", RNS.LOG_WARNING)
+
+    def set_url_scope(self, url_scope): self.local_url_scope = url_scope
+    def restore_url_scope(self, url_scope): self.local_url_scope = self.__local_url_scope
+
+    def display_width(self, text):
+        if not self.wcwidth: return len(text)
+        else:
+            # wcswidth returns -1 for non-printable strings,
+            # fallback to len in this case
+            w = self.wcwidth.wcswidth(text)
+            return w if w is not None and w >= 0 else len(text)
+    
+    def format_block(self, text, url_scope=None):
+        # text = text.replace("\\", "\\\\") # Now handled in format_line instead
+        lines = text.split('\n')
+        result_lines = []
+        in_code_block = False
+        code_block_lang = None
+        code_buffer = []
+        in_table = False
+        table_buffer = []
+        in_quote = False
+        quote_buffer = []
+        
+        def flush_quote_buffer():
+            nonlocal result_lines, quote_buffer, in_quote
+            if not quote_buffer:
+                in_quote = False
+                return
+            
+            para = " ".join(quote_buffer)
+            formatted = self._format_inline(para)
+            
+            effective_width = self.max_width - 3
+            if effective_width < 1: effective_width = 1
+            wrapped_lines = self._wrap_text(formatted, effective_width)
+            for wrapped_line in wrapped_lines: result_lines.append(f" │ {wrapped_line}")
+            
+            quote_buffer = []
+            in_quote = False
+        
+        def flush_table_buffer():
+            nonlocal result_lines, table_buffer, in_table
+            if not table_buffer:
+                in_table = False
+                return
+            
+            if len(table_buffer) >= 2 and self._is_table_separator(table_buffer[1]):
+                formatted_lines = self.format_table(table_buffer)
+                result_lines.extend(formatted_lines)
+            
+            else:
+                for line in table_buffer: result_lines.append(self.format_line(line))
+            
+            table_buffer = []
+            in_table = False
+        
+        def flush_code_block():
+            nonlocal result_lines, code_buffer, code_block_lang
+            if not code_buffer:
+                return
+            
+            code_content = '\n'.join(code_buffer)
+            
+            if self.syntax_highlighter and code_block_lang:
+                if code_block_lang.lower() == "rawmu": result_lines.append(code_content)
+                else:
+                    try:
+                        highlighted = self.syntax_highlighter.highlight(code_content, language=code_block_lang)
+                        result_lines.append(f"{self.CODE_BG}{self.CODE_FG}")
+                        result_lines.append(highlighted)
+                        result_lines.append(self.CODE_RESET)
+
+                    except Exception:
+                        # Fallback to plain literal block on any error
+                        result_lines.append(f"{self.CODE_BG}{self.CODE_FG}")
+                        result_lines.append(self.LITERAL_START)
+                        result_lines.append(self._escape_literals(code_content))
+                        result_lines.append(self.LITERAL_END)
+                        result_lines.append(self.CODE_RESET)
+            else:
+                result_lines.append(f"{self.CODE_BG}{self.CODE_FG}")
+                result_lines.append(self.LITERAL_START)
+                result_lines.append(self._escape_literals(code_content))
+                result_lines.append(self.LITERAL_END)
+                result_lines.append(self.CODE_RESET)
+            
+            code_buffer = []
+        
+        for line in lines:
+            is_fence, lang_hint = self._detect_code_fence(line)
+
+            if is_fence:
+                # Flush any pending structures before code fence
+                flush_quote_buffer()
+                flush_table_buffer()
+                
+                if not in_code_block:
+                    # Opening fence, start buffering
+                    in_code_block = True
+                    code_block_lang = lang_hint.strip() if lang_hint else None
+                    code_buffer = []
+                
+                else:
+                    # Closing fence, flush highlighted code
+                    flush_code_block()
+                    in_code_block = False
+                    code_block_lang = None
+            
+            else:
+                # Buffer code lines for later highlighting
+                if in_code_block: code_buffer.append(line)
+                else:
+                    quote_match = self.QUOTE_RE.match(line)
+                    if quote_match:
+                        if not in_quote:
+                            flush_table_buffer()
+                            in_quote = True
+                            quote_buffer = []
+                        
+                        quote_buffer.append(quote_match.group(1))
+                    
+                    else:
+                        if in_quote:
+                            flush_quote_buffer()
+                            if line.strip() != "":
+                                if self._is_table_row(line):
+                                    in_table = True
+                                    table_buffer = [line]
+                                
+                                else:
+                                    formatted = self.format_line(line)
+                                    result_lines.append(formatted)
+                            
+                            # Pass through blank line as separator
+                            else: result_lines.append("")
+                        
+                        else:
+                            if self._is_table_row(line):
+                                if not in_table:
+                                    in_table = True
+                                    table_buffer = [line]
+                                
+                                else: table_buffer.append(line)
+                            
+                            else:
+                                # Line breaks table, flush buffer
+                                if in_table: flush_table_buffer()
+                                formatted = self.format_line(line)
+                                result_lines.append(formatted)
+        
+        # Handle unclosed structures
+        if in_quote: flush_quote_buffer()
+        if in_table: flush_table_buffer()
+        if in_code_block: flush_code_block()
+        
+        return '\n'.join(result_lines)
+    
+    def format_line(self, line, mode="normal"):
+        if mode == "codeblock": return self._escape_literals(line)
+        line = line.replace("\\", "\\\\")
+
+        if line.startswith("-") and not line.startswith("---") and not line.startswith("- "): line = f"\\{line}"
+        if line.startswith("<"): line = f"\\{line}"
+        # if line.startswith(">"): line = f"\\{line}" # Now handled by blockquotes
+        
+        if self.HORIZONTAL_RULE_RE.match(line): return self._format_horizontal_rule()
+        
+        header_match = self.HEADER_RE.match(line)
+        if header_match: return self._format_header(header_match)
+        
+        list_match = self.UNORDERED_LIST_RE.match(line)
+        if list_match: return self._format_list_item(list_match)
+        
+        line = self._format_inline(line)
+        
+        return line
+    
+    def _format_inline(self, text):
+        code_blocks = []
+        def extract_code(match):
+            code_blocks.append(match.group(1))
+            return f"\x00CODE{len(code_blocks)-1}\x00"
+
+        links = []
+        def extract_link(match):
+            links.append((match.group(1), match.group(2)))
+            return f"\x00LINK{len(links)-1}\x00"
+        
+        text = self.LINK_RE.sub(extract_link, text)
+        text = self.INLINE_CODE_RE.sub(extract_code, text)
+        text = self.BOLD_RE.sub(self._bold_sub, text)
+        text = self.ITALIC_RE.sub(self._italic_sub, text)
+        
+        def restore_link(match):
+            idx = int(match.group(1))
+            text, url = links[idx]
+            
+            anchor_components = url.split("#")
+            url = anchor_components[0]
+            anchor = anchor_components[1] if len(anchor_components) > 1 else ""
+
+            if not ":/" in url:
+                url = f"{self.local_url_scope}{url}"
+                if anchor: url = f"{url}|anchor={anchor}"
+
+            undl = "`_" if self.underline_links else ""
+            bold = "`!" if self.bold_links else ""
+            text = text.replace('`', '')
+            link = f"{undl}{bold}`[{text}`{url}]{bold}{undl}"
+
+            if self.link_color and len(self.link_color) == 3: link = f"`F{self.link_color}{link}`f"
+            if self.link_color and len(self.link_color) == 6: link = f"`FT{self.link_color}{link}`f"
+
+            return link
+        
+        text = re.sub(r'\x00LINK(\d+)\x00', restore_link, text)
+        
+        def restore_code(match):
+            idx = int(match.group(1))
+            content = code_blocks[idx]
+            content = content.replace('`', '\\`')
+            return f"{self.CODE_BG_INLINE}{self.CODE_FG}{content}{self.CODE_RESET}"
+        
+        text = re.sub(r'\x00CODE(\d+)\x00', restore_code, text)
+        return text
+    
+    def _highlight_inline_code(self, content):
+        if not self.syntax_highlighter: return None
+        return self.syntax_highlighter.highlight(content, language=None)
+    
+    def _bold_sub(self, match):
+        content = match.group(1) or match.group(2)
+        return f"{self.BOLD}{content}{self.BOLD_END}"
+    
+    def _italic_sub(self, match):
+        content = match.group(1) or match.group(2)
+        return f"{self.ITALIC}{content}{self.ITALIC_END}"
+    
+    def _format_header(self, match):
+        hashes = match.group(1)
+        content = match.group(2)
+        level = len(hashes)
+        prefix = ">" * min(level, 6)
+        return f"{prefix}{self._format_inline(content)}"
+    
+    def _format_list_item(self, match):
+        indent = match.group(1)
+        content = match.group(3)
+        content = self._format_inline(content)
+        return f"{indent} {self.BULLET} {content}"
+    
+    def _format_horizontal_rule(self):
+        return "-"
+    
+    def _detect_code_fence(self, line):
+        match = self.CODE_FENCE_RE.match(line)
+        if match:
+            # match.group(2) contains everything after the backticks (language hint)
+            return True, match.group(2)
+        return False, ""
+    
+    def _is_table_row(self, line):
+        if '|' not in line: return False
+        match = self.TABLE_ROW_RE.match(line)
+        if match is None: return False
+        content = match.group(1)
+        return '|' in content or line.strip().startswith('|')
+    
+    def _is_table_separator(self, line):
+        if '|' not in line: return False
+        match = self.TABLE_SEP_RE.match(line)
+        return match is not None
+    
+    def _escape_literals(self, text):
+        return text.replace('`', '\\`')
+
+    def format_table(self, rows, align="c"):
+        if len(rows) < 2: return rows
+        
+        # Parse header and separator
+        header_cells = self._parse_table_row(rows[0])
+        alignments = self._parse_table_alignments(rows[1])
+        
+        # Ensure alignment count matches header cells
+        while len(alignments) < len(header_cells): alignments.append('left')
+        alignments = alignments[:len(header_cells)]
+        
+        # Parse data rows
+        data_rows = []
+        for i in range(2, len(rows)):
+            cells = self._parse_table_row(rows[i])
+            while len(cells) < len(header_cells): cells.append("")
+            cells = cells[:len(header_cells)]
+            data_rows.append(cells)
+        
+        # Calculate column widths based on content
+        num_cols = len(header_cells)
+        col_widths = [0] * num_cols
+        
+        all_rows = [header_cells] + data_rows
+        for row in all_rows:
+            for i, cell in enumerate(row):
+                formatted = self._format_inline(cell)
+                width = self._visible_width(formatted)
+                col_widths[i] = max(col_widths[i], width)
+        
+        # Apply minimum width and calculate total
+        col_widths = [max(w, self.TABLE_MIN_COL_WIDTH) for w in col_widths]
+        
+        # Check max_width constraint
+        # Total = sum of columns + 3 chars per column (space + 2 borders) + 1 for final border
+        total_width = sum(col_widths) + (num_cols * 3) + 1
+        
+        if total_width > self.max_width:
+            # Reduce widest columns proportionally
+            excess = total_width - self.max_width
+            indexed_widths = [(i, w) for i, w in enumerate(col_widths)]
+            indexed_widths.sort(key=lambda x: -x[1])
+            
+            for i, w in indexed_widths:
+                if excess <= 0: break
+                reduction = min(excess, w - self.TABLE_MIN_COL_WIDTH)
+                col_widths[i] -= reduction
+                excess -= reduction
+        
+        # Build formatted table
+        result = []
+        
+        # Alignment start
+        if align: result.append(f"`{align}")
+        
+        # Top border
+        border = self.TABLE_TL
+        for i, w in enumerate(col_widths):
+            border += self.TABLE_H * (w + 2)
+            if i < len(col_widths) - 1: border += self.TABLE_TM
+            else:                       border += self.TABLE_TR
+        
+        result.append(self._escape_literals(border))
+        
+        # Header row
+        header_line = self.TABLE_V
+        for i, cell in enumerate(header_cells):
+            formatted = self._format_inline(cell)
+            padded = self._pad_cell(formatted, col_widths[i], 'left')
+            header_line += f" {padded} {self.TABLE_V}"
+        result.append(self._escape_literals(header_line))
+        
+        # Separator row
+        sep_line = self.TABLE_ML
+        for i, w in enumerate(col_widths):
+            cell_width = w + 2
+            sep_line += self.TABLE_H * cell_width
+            
+            if i < len(col_widths) - 1: sep_line += self.TABLE_MM
+            else:                       sep_line += self.TABLE_MR
+
+        result.append(self._escape_literals(sep_line))
+        
+        # Data rows
+        for row in data_rows:
+            row_line = self.TABLE_V
+            for i, cell in enumerate(row):
+                formatted = self._format_inline(cell)
+                padded = self._pad_cell(formatted, col_widths[i], alignments[i])
+                row_line += f" {padded} {self.TABLE_V}"
+            
+            result.append(row_line)
+        
+        # Bottom border
+        border = self.TABLE_BL
+        for i, w in enumerate(col_widths):
+            border += self.TABLE_H * (w + 2)
+            if i < len(col_widths) - 1: border += self.TABLE_BM
+            else:                       border += self.TABLE_BR
+        
+        result.append(self._escape_literals(border))
+        
+        # End alignment
+        if align: result.append("`a")
+        
+        return result
+
+    def format_table_raw(self, rows, align="c"):
+        if len(rows) < 2: return rows
+        
+        # Parse header and separator
+        header_cells = self._parse_table_row(rows[0])
+        alignments = self._parse_table_alignments(rows[1])
+        
+        # Ensure alignment count matches header cells
+        while len(alignments) < len(header_cells): alignments.append('left')
+        alignments = alignments[:len(header_cells)]
+        
+        # Parse data rows
+        data_rows = []
+        for i in range(2, len(rows)):
+            cells = self._parse_table_row(rows[i])
+            while len(cells) < len(header_cells): cells.append("")
+            cells = cells[:len(header_cells)]
+            data_rows.append(cells)
+        
+        # Calculate column widths based on raw content
+        num_cols = len(header_cells)
+        col_widths = [0] * num_cols
+        
+        all_rows = [header_cells] + data_rows
+        for row in all_rows:
+            for i, cell in enumerate(row):
+                width = self._visible_width(cell)
+                col_widths[i] = max(col_widths[i], width)
+        
+        # Apply minimum width and calculate total
+        col_widths = [max(w, self.TABLE_MIN_COL_WIDTH) for w in col_widths]
+        
+        # Check max_width constraint
+        total_width = sum(col_widths) + (num_cols * 3) + 1
+        
+        if total_width > self.max_width:
+            # Reduce widest columns proportionally
+            excess = total_width - self.max_width
+            indexed_widths = [(i, w) for i, w in enumerate(col_widths)]
+            indexed_widths.sort(key=lambda x: -x[1])
+            
+            for i, w in indexed_widths:
+                if excess <= 0: break
+                reduction = min(excess, w - self.TABLE_MIN_COL_WIDTH)
+                col_widths[i] -= reduction
+                excess -= reduction
+        
+        # Build formatted table
+        result = []
+        
+        # Alignment start
+        if align: result.append(f"`{align}")
+        
+        # Top border
+        border = self.TABLE_TL
+        for i, w in enumerate(col_widths):
+            border += self.TABLE_H * (w + 2)
+            if i < len(col_widths) - 1: border += self.TABLE_TM
+            else:                       border += self.TABLE_TR
+        
+        result.append(self._escape_literals(border))
+        
+        # Header row
+        header_line = self.TABLE_V
+        for i, cell in enumerate(header_cells):
+            padded = self._pad_cell(cell, col_widths[i], 'left')
+            header_line += f" {padded} {self.TABLE_V}"
+        result.append(header_line)
+        
+        # Separator row - clean horizontal lines without alignment markers
+        sep_line = self.TABLE_ML
+        for i, w in enumerate(col_widths):
+            cell_width = w + 2
+            sep_line += self.TABLE_H * cell_width
+            
+            if i < len(col_widths) - 1: sep_line += self.TABLE_MM
+            else:                       sep_line += self.TABLE_MR
+        
+        result.append(self._escape_literals(sep_line))
+        
+        # Data rows (with alignment)
+        for row in data_rows:
+            row_line = self.TABLE_V
+            for i, cell in enumerate(row):
+                padded = self._pad_cell(cell, col_widths[i], alignments[i])
+                row_line += f" {padded} {self.TABLE_V}"
+            
+            result.append(row_line)
+        
+        # Bottom border
+        border = self.TABLE_BL
+        for i, w in enumerate(col_widths):
+            border += self.TABLE_H * (w + 2)
+            if i < len(col_widths) - 1: border += self.TABLE_BM
+            else:                       border += self.TABLE_BR
+        
+        result.append(self._escape_literals(border))
+        
+        # End alignment
+        if align: result.append("`a")
+        
+        return result
+    
+    def _parse_table_row(self, line):
+        line = line.strip()
+        if line.startswith('|'): line = line[1:]
+        if line.endswith('|'):   line = line[:-1]
+        
+        cells = []
+        current = ""
+        escaped = False
+        for char in line:
+            if escaped:
+                current += char
+                escaped = False
+            elif char == '\\':
+                escaped = True
+            elif char == '|':
+                cells.append(current.strip())
+                current = ""
+            else:
+                current += char
+        
+        cells.append(current.strip())
+        return cells
+    
+    def _parse_table_alignments(self, line):
+        cells = self._parse_table_row(line)
+        alignments = []
+        for cell in cells:
+            cell = cell.strip()
+            if cell.startswith(':') and cell.endswith(':'): alignments.append('center')
+            elif cell.endswith(':'):                        alignments.append('right')
+            else:                                           alignments.append('left')
+        
+        return alignments
+    
+    def _visible_width(self, text):
+        text = re.sub(r'`[FB][0-9a-fA-F]{3}', '', text)
+        text = re.sub(r'`[FB]T[0-9a-fA-F]{6}', '', text)
+        text = re.sub(r'`[!*_=]', '', text)
+        text = re.sub(r'`f`b', '', text)
+        text = re.sub(r'`f', '', text)
+        text = re.sub(r'`b', '', text)
+        return self.display_width(text)
+    
+    def _pad_cell(self, text, width, align):
+        text = self._truncate_cell(text, width)
+        text_width = self._visible_width(text)
+        padding = width - text_width
+        
+        if align == 'right':
+            return " " * padding + text
+        elif align == 'center':
+            left = padding // 2
+            right = padding - left
+            return " " * left + text + " " * right
+        else:
+            return text + " " * padding
+
+    def _truncate_cell(self, text, width):
+        if self._visible_width(text) <= width: return text
+
+        truncation_point = len(text)
+        while truncation_point > 0 and self._visible_width(text[0:truncation_point]) >= width:
+            truncation_point -= 1
+
+        truncated = text[:truncation_point]
+
+        # Yes, this is convoluted, but if someone else has
+        # a better idea on how to handle unclosed micron
+        # tags in the truncated cells, I'm all ears.
+        active_tags = set()
+        fg_active = False
+        bg_active = False
+
+        i = 0
+        while i < len(truncated):
+            if truncated[i] == '`':
+                if i + 1 < len(truncated):
+                    tag_char = truncated[i + 1]
+
+                    if tag_char in '!*_=':
+                        if tag_char in active_tags: active_tags.remove(tag_char)
+                        else:                       active_tags.add(tag_char)
+                        i += 2
+                        continue
+
+                    elif tag_char == 'f':
+                        fg_active = False
+                        i += 2
+                        continue
+
+                    elif tag_char == 'b':
+                        bg_active = False
+                        i += 2
+                        continue
+
+                    elif tag_char == 'F':
+                        fg_active = True
+                        if i + 2 < len(truncated) and truncated[i + 2] == 'T': i += 8
+                        else:                                                  i += 5
+                        continue
+
+                    elif tag_char == 'B':
+                        bg_active = True
+                        if i + 2 < len(truncated) and truncated[i + 2] == 'T': i += 8
+                        else:                                                  i += 5
+                        continue
+            i += 1
+
+        closers = []
+        if fg_active: closers.append('`f')
+        if bg_active: closers.append('`b')
+        for fmt in active_tags: closers.append(f'`{fmt}')
+
+        return truncated + ''.join(closers) + "…"
+    
+    def _wrap_text(self, text, width):
+        if not text: return [""]
+        
+        words = text.split(' ')
+        lines = []
+        current_line = ""
+        current_width = 0
+        
+        for word in words:
+            if not word: continue
+            
+            word_width = self._visible_width(word)
+            
+            # Check if word alone exceeds width to force break it
+            if word_width > width:
+                if current_line:
+                    lines.append(current_line)
+                    current_line = ""
+                    current_width = 0
+                
+                # Force break the long word character by character
+                remaining = word
+                while remaining:
+                    # Binary search for how many characters fit
+                    low, high = 1, len(remaining)
+                    fit_chars = 0
+                    
+                    while low <= high:
+                        mid = (low + high) // 2
+                        test_substr = remaining[:mid]
+                        test_width = self._visible_width(test_substr)
+                        
+                        if test_width <= width:
+                            fit_chars = mid
+                            low = mid + 1
+                        else:
+                            high = mid - 1
+                    
+                    if fit_chars == 0: fit_chars = 1 # Need to force progress
+                    
+                    lines.append(remaining[:fit_chars])
+                    remaining = remaining[fit_chars:]
+                
+                continue
+            
+            # Check if word fits on current line
+            space_width = 1 if current_line else 0
+            if current_width + space_width + word_width <= width:
+                if current_line:
+                    current_line += " " + word
+                    current_width += space_width + word_width
+                else:
+                    current_line = word
+                    current_width = word_width
+            else:
+                # Flush current line and start new one
+                lines.append(current_line)
+                current_line = word
+                current_width = word_width
+        
+        # Don't forget the last line
+        if current_line: lines.append(current_line)
+        
+        return lines if lines else [""]
+
+
+def convert_markdown_to_micron(text):
+    converter = MarkdownToMicron()
+    return converter.format_block(text)

RNS/Utilities/rnir.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2023-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -48,7 +56,7 @@ def main():
         parser.add_argument('-v', '--verbose', action='count', default=0)
         parser.add_argument('-q', '--quiet', action='count', default=0)
         parser.add_argument("--exampleconfig", action='store_true', default=False, help="print verbose configuration example to stdout and exit")
-        parser.add_argument("--version", action="version", version="ir {version}".format(version=__version__))
+        parser.add_argument("--version", action="version", version="rnir {version}".format(version=__version__))
         
         args = parser.parse_args()
 
@@ -67,8 +75,5 @@ def main():
         print("")
         exit()
 
-__example_rns_config__ = '''# This is an example Identity Resolver file.
-'''
-
 if __name__ == "__main__":
     main()

RNS/Utilities/rnodeconf.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2018-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -41,9 +49,9 @@ import RNS
 RNS.logtimefmt      = "%H:%M:%S"
 RNS.compact_log_fmt = True
 
-program_version = "2.4.0"
-eth_addr = "0xFDabC71AC4c0C78C95aDDDe3B4FA19d6273c5E73"
-btc_addr = "35G9uWVzrpJJibzUwpNUQGQNFzLirhrYAH"
+program_version = "2.5.0"
+eth_addr = "0x91C421DdfB8a30a49A71d63447ddb54cEBe3465E"
+btc_addr = "bc1pgqgu8h8xvj4jtafslq396v7ju7hkgymyrzyqft4llfslz5vp99psqfk3a6"
 xmr_addr = "87HcDx6jRSkMQ9nPRd5K9hGGpZLn2s7vWETjMaVM5KfV4TD36NcYa8J8WSxhTSvBzzFpqDwp2fg5GX2moZ7VAP9QMZCZGET"
 
 rnode = None
@@ -89,10 +97,17 @@ class KISS():
     CMD_BT_CTRL     = 0x46
     CMD_BT_PIN      = 0x62
     CMD_DIS_IA      = 0x69
+    CMD_WIFI_MODE   = 0x6A
+    CMD_WIFI_SSID   = 0x6B
+    CMD_WIFI_PSK    = 0x6C
+    CMD_WIFI_CHN    = 0x6E
+    CMD_WIFI_IP     = 0x84
+    CMD_WIFI_NM     = 0x85
     CMD_BOARD       = 0x47
     CMD_PLATFORM    = 0x48
     CMD_MCU         = 0x49
     CMD_FW_VERSION  = 0x50
+    CMD_CFG_READ    = 0x6D
     CMD_ROM_READ    = 0x51
     CMD_ROM_WRITE   = 0x52
     CMD_ROM_WIPE    = 0x59
@@ -159,6 +174,7 @@ class ROM():
     MODEL_B9            = 0xB9
     MODEL_B4_TCXO       = 0x04 # The TCXO model codes are only used here to select the correct firmware,
     MODEL_B9_TCXO       = 0x09 # actual model codes in firmware is still 0xB4 and 0xB9.
+    
     PRODUCT_H32_V2      = 0xC0
     MODEL_C4            = 0xC4
     MODEL_C9            = 0xC9
@@ -167,6 +183,9 @@ class ROM():
     MODEL_C5            = 0xC5
     MODEL_CA            = 0xCA
 
+    PRODUCT_H32_V4      = 0xC3
+    MODEL_C8            = 0xC8 # 868/915/923 MHz with PA
+
     PRODUCT_TBEAM       = 0xE0
     MODEL_E4            = 0xE4
     MODEL_E9            = 0xE9
@@ -233,6 +252,12 @@ class ROM():
     ADDR_CONF_PINT = 0xB6
     ADDR_CONF_BSET = 0xB7
     ADDR_CONF_DIA  = 0xB9
+    ADDR_CONF_WIFI = 0xBA
+    ADDR_CONF_WCHN = 0xBB
+    ADDR_CONF_SSID = 0x00
+    ADDR_CONF_PSK  = 0x21
+    ADDR_CONF_IP   = 0x42
+    ADDR_CONF_NM   = 0x46
 
     INFO_LOCK_BYTE = 0x73
     CONF_OK_BYTE   = 0x73
@@ -262,6 +287,7 @@ products = {
     ROM.PRODUCT_T32_21: "LilyGO LoRa32 v2.1",
     ROM.PRODUCT_H32_V2: "Heltec LoRa32 v2",
     ROM.PRODUCT_H32_V3: "Heltec LoRa32 v3",
+    ROM.PRODUCT_H32_V4: "Heltec LoRa32 v4",
     ROM.PRODUCT_TECHO:  "LilyGO T-Echo",
     ROM.PRODUCT_RAK4631: "RAK4631",
     ROM.PRODUCT_OPENCOM_XL: "openCom XL",
@@ -306,6 +332,7 @@ models = {
     0xC9: [850000000, 950000000, 17, "850 - 950 MHz", "rnode_firmware_heltec32v2.zip", "SX1276"],
     0xC5: [420000000, 520000000, 22, "420 - 520 MHz", "rnode_firmware_heltec32v3.zip", "SX1268"],
     0xCA: [850000000, 950000000, 22, "850 - 950 MHz", "rnode_firmware_heltec32v3.zip", "SX1262"],
+    0xC8: [860000000, 930000000, 28, "850 - 950 MHz", "rnode_firmware_heltec32v4pa.zip", "SX1262"],
     0xC6: [420000000, 520000000, 22, "420 - 520 MHz", "rnode_firmware_heltec_t114.zip", "SX1268"],
     0xC7: [850000000, 950000000, 22, "850 - 950 MHz", "rnode_firmware_heltec_t114.zip", "SX1262"],
     0xE4: [420000000, 520000000, 17, "420 - 520 MHz", "rnode_firmware_tbeam.zip", "SX1278"],
@@ -388,6 +415,7 @@ class RNode():
         self.platform = None
         self.mcu = None
         self.eeprom = None
+        self.cfg_sector = None
         self.major_version = None
         self.minor_version = None
         self.version = None
@@ -447,12 +475,17 @@ class RNode():
                         in_frame = False
                         data_buffer = b""
                         command_buffer = b""
+                    elif (in_frame and byte == KISS.FEND and command == KISS.CMD_CFG_READ):
+                        self.cfg_sector = data_buffer
+                        in_frame = False
+                        data_buffer = b""
+                        command_buffer = b""
                     elif (byte == KISS.FEND):
                         in_frame = True
                         command = KISS.CMD_UNKNOWN
                         data_buffer = b""
                         command_buffer = b""
-                    elif (in_frame and len(data_buffer) < 512):
+                    elif (in_frame and len(data_buffer) < 1024):
                         if (len(data_buffer) == 0 and command == KISS.CMD_UNKNOWN):
                             command = byte
                         elif (command == KISS.CMD_ROM_READ):
@@ -466,6 +499,17 @@ class RNode():
                                         byte = KISS.FESC
                                     escape = False
                                 data_buffer = data_buffer+bytes([byte])
+                        elif (command == KISS.CMD_CFG_READ):
+                            if (byte == KISS.FESC):
+                                escape = True
+                            else:
+                                if (escape):
+                                    if (byte == KISS.TFEND):
+                                        byte = KISS.FEND
+                                    if (byte == KISS.TFESC):
+                                        byte = KISS.FESC
+                                    escape = False
+                                data_buffer = data_buffer+bytes([byte])
                         elif (command == KISS.CMD_DATA):
                             if (byte == KISS.FESC):
                                 escape = True
@@ -774,6 +818,92 @@ class RNode():
         if written != len(kiss_command):
             raise IOError("An IO error occurred while sending firmware update command to device")
 
+    def set_wifi_mode(self, mode):
+        kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_WIFI_MODE, mode])+bytes([KISS.FEND])
+        written = self.serial.write(kiss_command)
+        if written != len(kiss_command):
+            raise IOError("An IO error occurred while sending wifi mode command to device")
+
+    def set_wifi_channel(self, channel):
+        try: ch = int(channel)
+        except: raise ValueError("Invalid WiFi channel")
+        if ch < 1 or ch > 14: raise ValueError("Invalid WiFi channel")
+        ch_data = bytes([ch])
+        data = KISS.escape(ch_data)
+        kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_WIFI_CHN])+data+bytes([KISS.FEND])
+
+        written = self.serial.write(kiss_command)
+        if written != len(kiss_command):
+            raise IOError("An IO error occurred while sending wifi channel to device")
+
+    def set_wifi_ip(self, ip):
+        if ip == None: ip_data = bytes([0x00, 0x00, 0x00, 0x00])
+        else:
+            ip_data = b""
+            if not type(ip) == str: raise TypeError("Invalid IP address")
+            octets = ip.split(".")
+            if not len(octets) == 4: raise ValueError("Invalid IP address length")
+            try:
+                for i in range(0, 4):
+                    octet = int(octets[i])
+                    if octet < 0 or octet > 255: raise ValueError("Invalid IP octet value")
+                    else: ip_data += bytes([octet])
+            except Exception as e:
+                raise ValueError(f"Could not decode IP address octet: {e}")
+        
+        data = KISS.escape(ip_data)
+        kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_WIFI_IP])+data+bytes([KISS.FEND])
+
+        written = self.serial.write(kiss_command)
+        if written != len(kiss_command): raise IOError("An IO error occurred while sending wifi IP address to device")
+
+    def set_wifi_nm(self, nm):
+        if nm == None: nm_data = bytes([0x00, 0x00, 0x00, 0x00])
+        else:
+            nm_data = b""
+            if not type(nm) == str: raise TypeError("Invalid IP address")
+            octets = nm.split(".")
+            if not len(octets) == 4: raise ValueError("Invalid IP address length")
+            try:
+                for i in range(0, 4):
+                    octet = int(octets[i])
+                    if octet < 0 or octet > 255: raise ValueError("Invalid IP octet value")
+                    else: nm_data += bytes([octet])
+            except Exception as e:
+                raise ValueError(f"Could not decode IP address octet: {e}")
+        
+        data = KISS.escape(nm_data)
+        kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_WIFI_NM])+data+bytes([KISS.FEND])
+
+        written = self.serial.write(kiss_command)
+        if written != len(kiss_command): raise IOError("An IO error occurred while sending wifi netmask to device")
+
+    def set_wifi_ssid(self, ssid):
+        if ssid == None: data = bytes([0x00])
+        else:
+            ssid_data = ssid.encode("utf-8")+bytes([0x00])
+            if len(ssid_data) < 0 or len(ssid_data) > 33: raise ValueError("Invalid SSID length")
+            data = KISS.escape(ssid_data)
+
+        kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_WIFI_SSID])+data+bytes([KISS.FEND])
+
+        written = self.serial.write(kiss_command)
+        if written != len(kiss_command):
+            raise IOError("An IO error occurred while sending wifi SSID to device")
+
+    def set_wifi_psk(self, psk):
+        if psk == None: data = bytes([0x00])
+        else:
+            psk_data = psk.encode("utf-8")+bytes([0x00])
+            if len(psk_data) < 8 or len(psk_data) > 33: raise ValueError("Invalid psk length")
+            data = KISS.escape(psk_data)
+        
+        kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_WIFI_PSK])+data+bytes([KISS.FEND])
+
+        written = self.serial.write(kiss_command)
+        if written != len(kiss_command):
+            raise IOError("An IO error occurred while sending wifi SSID to device")
+
     def initRadio(self):
         self.setFrequency()
         self.setBandwidth()
@@ -880,7 +1010,7 @@ class RNode():
         kiss_command = bytes([KISS.FEND, KISS.CMD_ROM_READ, 0x00, KISS.FEND])
         written = self.serial.write(kiss_command)
         if written != len(kiss_command):
-            raise IOError("An IO error occurred while configuring radio state")
+            raise IOError("An IO error occurred while downloading EEPROM")
 
         sleep(0.6)
         if self.eeprom == None:
@@ -889,6 +1019,15 @@ class RNode():
         else:
             self.parse_eeprom()
 
+    def download_cfg_sector(self):
+        self.cfg_sector = None
+        kiss_command = bytes([KISS.FEND, KISS.CMD_CFG_READ, 0x00, KISS.FEND])
+        written = self.serial.write(kiss_command)
+        if written != len(kiss_command):
+            raise IOError("An IO error occurred while downloading config sector")
+
+        sleep(0.6)
+
     def parse_eeprom(self):
         global squashvw;
         try:
@@ -1046,8 +1185,8 @@ class RNode():
                             print("     Always use a firmware downloaded as binaries or compiled from source")
                             print("     from one of the following locations:")
                             print("     ")
-                            print("        https://unsigned.io/rnode")
                             print("        https://github.com/markqvist/rnode_firmware")
+                            print("        https://github.com/liberatedsystems/RNode_Firmware_CE")
                             print("     ")
                             print("     You can reflash and bootstrap this device to a verifiable state")
                             print("     by using this utility. It is recommended to do so NOW!")
@@ -1089,7 +1228,7 @@ class RNode():
 
 selected_version = None
 selected_hash = None
-firmware_version_url = "https://unsigned.io/firmware/latest/?v="+program_version+"&variant="
+firmware_version_url          = "https://github.com/markqvist/rnode_firmware/releases/latest/download/release.json"
 fallback_firmware_version_url = "https://github.com/markqvist/rnode_firmware/releases/latest/download/release.json"
 def ensure_firmware_file(fw_filename):
     global selected_version, selected_hash, upd_nocheck
@@ -1130,9 +1269,15 @@ def ensure_firmware_file(fw_filename):
                 try:
                     # if custom firmware url, download latest release
                     if selected_version == None and fw_url == None:
-                        version_url = firmware_version_url+fw_filename
-                        RNS.log("Retrieving latest version info from "+version_url)
-                        urlretrieve(firmware_version_url+fw_filename, UPD_DIR+"/"+fw_filename+".version.latest")
+                        urlretrieve(firmware_version_url, UPD_DIR+"/release_info.json")
+                        import json
+                        with open(UPD_DIR+"/release_info.json", "rb") as rif:
+                            rdat = json.loads(rif.read())
+                            variant = rdat[fw_filename]
+                            with open(UPD_DIR+"/"+fw_filename+".version.latest", "wb") as verf:
+                                inf_str = str(variant["version"])+" "+str(variant["hash"])
+                                verf.write(inf_str.encode("utf-8"))
+
                     else:
                         if fw_url != None:
                             if selected_version == None:
@@ -1351,6 +1496,14 @@ def main():
         parser.add_argument("-B", "--bluetooth-off", action="store_true", help="Turn device bluetooth off")
         parser.add_argument("-p", "--bluetooth-pair", action="store_true", help="Put device into bluetooth pairing mode")
 
+        parser.add_argument("-w", "--wifi", action="store", metavar="mode", default=None, help="Set WiFi mode (OFF, AP or STATION)")
+        parser.add_argument("--channel", action="store", metavar="channel", default=None, help="Set WiFi channel")
+        parser.add_argument("--ssid", action="store", metavar="ssid", default=None, help="Set WiFi SSID (NONE to delete)")
+        parser.add_argument("--psk", action="store", metavar="psk", default=None, help="Set WiFi PSK (NONE to delete)")
+        parser.add_argument("--show-psk", action="store_true", default=False, help="Display stored WiFi PSK")
+        parser.add_argument("--ip", action="store", metavar="ip", default=None, help="Set static WiFi IP address (NONE for DHCP)")
+        parser.add_argument("--nm", action="store", metavar="nm", default=None, help="Set static WiFi network mask (NONE for DHCP)")
+
         parser.add_argument("-D", "--display", action="store", metavar="i", type=int, default=None, help="Set display intensity (0-255)")
         parser.add_argument("-t", "--timeout", action="store", metavar="s", type=int, default=None, help="Set display timeout in seconds, 0 to disable")
         parser.add_argument("-R", "--rotation", action="store", metavar="rotation", type=int, default=None, help="Set display rotation, valid values are 0 through 3")
@@ -1395,13 +1548,14 @@ def main():
         args = parser.parse_args()
 
         def print_donation_block():
-            print("  Ethereum : "+eth_addr)
-            print("  Bitcoin  : "+btc_addr)
-            print("  Monero   : "+xmr_addr)
-            print("  Ko-Fi    : https://ko-fi.com/markqvist")
+            print("  Ethereum  : "+eth_addr)
+            print("  Bitcoin   : "+btc_addr)
+            print("  Monero    : "+xmr_addr)
+            print("  Ko-Fi     : https://ko-fi.com/markqvist")
+            print("  LiberaPay : https://liberapay.com/reticulum")
             print("")
-            print("  Info     : https://unsigned.io/")
-            print("  Code     : https://github.com/markqvist")
+            print("  Info      : https://reticulum.network")
+            print("  Code      : https://github.com/markqvist")
 
         if args.version:
             print("rnodeconf "+program_version)
@@ -1708,7 +1862,7 @@ def main():
             print("       '")
             print("[1]  A specific kind of RNode")
             print("")
-            print("       |   Select this option if you have put toghether an RNode")
+            print("       |   Select this option if you have put together an RNode")
             print("      \\ /  of your own design, or if you are prototyping one.")
             print("       '")
             print("[2]  Homebrew RNode")
@@ -1722,13 +1876,14 @@ def main():
             print("[6]  LilyGO T-Beam")
             print("[7]  Heltec LoRa32 v2")
             print("[8]  Heltec LoRa32 v3")
-            print("[9]  LilyGO LoRa T3S3")
-            print("[10] RAK4631")
-            print("[11] LilyGo T-Echo")
-            print("[12] LilyGO T-Beam Supreme")
-            print("[13] LilyGO T-Deck")
-            print("[14] Heltec T114")
-            print("[15] Seeed XIAO ESP32S3 Wio-SX1262")
+            print("[9]  Heltec LoRa32 v4")
+            print("[10] LilyGO LoRa T3S3")
+            print("[11] RAK4631")
+            print("[12] LilyGo T-Echo")
+            print("[13] LilyGO T-Beam Supreme")
+            print("[14] LilyGO T-Deck")
+            print("[15] Heltec T114")
+            print("[16] Seeed XIAO ESP32S3 Wio-SX1262")
             print("")
             print("---------------------------------------------------------------------------")
             print("\nEnter the number that matches your device type:\n? ", end="")
@@ -1737,7 +1892,7 @@ def main():
             try:
                 c_dev = int(input())
                 c_mod = False
-                if c_dev < 1 or c_dev > 15:
+                if c_dev < 1 or c_dev > 16:
                     raise ValueError()
                 elif c_dev == 1:
                     selected_product = ROM.PRODUCT_RNODE
@@ -1754,7 +1909,7 @@ def main():
                     print("")
                     print("Important! Using RNode firmware on homebrew devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it. Hit enter to continue.")
                     print("---------------------------------------------------------------------------")
                     input()
@@ -1770,11 +1925,11 @@ def main():
                     print("")
                     print("Important! Using RNode firmware on T-Beam devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it. Hit enter to continue.")
                     print("---------------------------------------------------------------------------")
                     input()
-                elif c_dev == 12:
+                elif c_dev == 13:
                     selected_product = ROM.PRODUCT_TBEAM_S_V1
                     clear()
                     print("")
@@ -1786,11 +1941,11 @@ def main():
                     print("")
                     print("Important! Using RNode firmware on T-Beam devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it. Hit enter to continue.")
                     print("---------------------------------------------------------------------------")
                     input()
-                elif c_dev == 13:
+                elif c_dev == 14:
                     selected_product = ROM.PRODUCT_TDECK
                     clear()
                     print("")
@@ -1802,7 +1957,7 @@ def main():
                     print("")
                     print("Important! Using RNode firmware on T-Beam devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it. Hit enter to continue.")
                     print("---------------------------------------------------------------------------")
                     input()
@@ -1815,7 +1970,7 @@ def main():
                     print("")
                     print("Important! Using RNode firmware on LoRa32 devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it. Hit enter to continue.")
                     print("---------------------------------------------------------------------------")
                     input()
@@ -1828,7 +1983,7 @@ def main():
                     print("")
                     print("Important! Using RNode firmware on LoRa32 devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it.")
                     print("")
                     print("Please Note! This device is known to have a faulty battery charging circuit,")
@@ -1847,7 +2002,7 @@ def main():
                     print("")
                     print("Important! Using RNode firmware on LoRa32 devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it. Hit enter to continue.")
                     print("---------------------------------------------------------------------------")
                     input()
@@ -1861,11 +2016,11 @@ def main():
                     print("Important! Using RNode firmware on Heltec devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
                     print("")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it. Hit enter to continue.")
                     print("---------------------------------------------------------------------------")
                     input()
-                elif c_dev == 9:
+                elif c_dev == 10:
                     selected_product = ROM.PRODUCT_RNODE
                     c_mod = True
                     clear()
@@ -1876,7 +2031,7 @@ def main():
                     print("Important! Using RNode firmware on T3S3 devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
                     print("")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it. Hit enter to continue.")
                     print("---------------------------------------------------------------------------")
                     input()
@@ -1890,11 +2045,25 @@ def main():
                     print("Important! Using RNode firmware on Heltec devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
                     print("")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it. Hit enter to continue.")
                     print("---------------------------------------------------------------------------")
                     input()
-                elif c_dev == 10:
+                elif c_dev == 9:
+                    selected_product = ROM.PRODUCT_H32_V4
+                    clear()
+                    print("")
+                    print("---------------------------------------------------------------------------")
+                    print("                      Heltec LoRa32 v4 RNode Installer")
+                    print("")
+                    print("Important! Using RNode firmware on Heltec devices should currently be")
+                    print("considered experimental. It is not intended for production or critical use.")
+                    print("")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
+                    print("who would like to experiment with it. Hit enter to continue.")
+                    print("---------------------------------------------------------------------------")
+                    input()
+                elif c_dev == 11:
                     selected_product = ROM.PRODUCT_RAK4631
                     clear()
                     print("")
@@ -1903,11 +2072,11 @@ def main():
                     print("")
                     print("Important! Using RNode firmware on RAKwireless devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it. Hit enter to continue.")
                     print("---------------------------------------------------------------------------")
                     input()
-                elif c_dev == 11:
+                elif c_dev == 12:
                     selected_product = ROM.PRODUCT_TECHO
                     clear()
                     print("")
@@ -1916,11 +2085,11 @@ def main():
                     print("")
                     print("Important! Using RNode firmware on LilyGo T-Echo devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it. Hit enter to continue.")
                     print("---------------------------------------------------------------------------")
                     input()
-                elif c_dev == 14:
+                elif c_dev == 15:
                     selected_product = ROM.PRODUCT_HELTEC_T114
                     clear()
                     print("")
@@ -1929,11 +2098,11 @@ def main():
                     print("")
                     print("Important! Using RNode firmware on Heltec T114 devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it. Hit enter to continue.")
                     print("---------------------------------------------------------------------------")
                     input()
-                elif c_dev == 15:
+                elif c_dev == 16:
                     selected_product = ROM.PRODUCT_XIAO_S3
                     clear()
                     print("")
@@ -1942,7 +2111,7 @@ def main():
                     print("")
                     print("Important! Using RNode firmware on SeeedStudio XIAO/wio devices should currently be")
                     print("considered experimental. It is not intended for production or critical use.")
-                    print("The currently supplied firmware is provided AS-IS as a courtesey to those")
+                    print("The currently supplied firmware is provided AS-IS as a courtesy to those")
                     print("who would like to experiment with it. Hit enter to continue.")
                     print("---------------------------------------------------------------------------")
                     input()
@@ -2256,6 +2425,7 @@ def main():
                 print("[2] 868 MHz")
                 print("[3] 915 MHz")
                 print("[4] 923 MHz")
+                print("\n? ", end="")
                 try:
                     c_model = int(input())
                     if c_model < 1 or c_model > 4:
@@ -2270,6 +2440,24 @@ def main():
                     print("That band does not exist, exiting now.")
                     exit()
             
+            elif selected_product == ROM.PRODUCT_H32_V4:
+                selected_mcu = ROM.MCU_ESP32
+                print("\nWhat band is this Heltec LoRa32 V4 for?\n")
+                print("[1] 868 MHz (28 dBm output)")
+                print("[2] 915 MHz (28 dBm output)")
+                print("[3] 923 MHz (28 dBm output)")
+                print("\n? ", end="")
+                try:
+                    c_model = int(input())
+                    if c_model < 1 or c_model > 3:
+                        raise ValueError()
+                    else:
+                        selected_model = ROM.MODEL_C8
+                        selected_platform = ROM.PLATFORM_ESP32
+                except Exception as e:
+                    print("That band does not exist, exiting now.")
+                    exit()
+            
             elif selected_product == ROM.PRODUCT_HELTEC_T114:
                 selected_mcu = ROM.MCU_NRF52
                 print("\nWhat band is this Heltec T114 for?\n")
@@ -2277,6 +2465,7 @@ def main():
                 print("[2] 868 MHz")
                 print("[3] 915 MHz")
                 print("[4] 923 MHz")
+                print("\n? ", end="")
                 try:
                     c_model = int(input())
                     if c_model < 1 or c_model > 4:
@@ -2296,6 +2485,7 @@ def main():
                 print("\nWhat band is this XIAO esp32s3 wio module for?\n")
                 print("[1] 433 MHz")
                 print("[2] 868 MHz")
+                print("\n? ", end="")
                 try:
                     c_model = int(input())
                     if c_model < 1 or c_model > 2:
@@ -2867,6 +3057,24 @@ def main():
                             "0x210000",UPD_DIR+"/"+selected_version+"/console_image.bin",
                             "0x8000",  UPD_DIR+"/"+selected_version+"/rnode_firmware_heltec32v3.partitions",
                         ]
+                    elif fw_filename == "rnode_firmware_heltec32v4pa.zip":
+                        return [
+                            sys.executable, flasher,
+                            "--chip", "esp32-s3",
+                            "--port", args.port,
+                            "--baud", args.baud_flash,
+                            "--before", "default_reset",
+                            "--after", "hard_reset",
+                            "write_flash", "-z",
+                            "--flash_mode", "dio",
+                            "--flash_freq", "80m",
+                            "--flash_size", "16MB",
+                            "0xe000",  UPD_DIR+"/"+selected_version+"/rnode_firmware_heltec32v4pa.boot_app0",
+                            "0x0",     UPD_DIR+"/"+selected_version+"/rnode_firmware_heltec32v4pa.bootloader",
+                            "0x10000", UPD_DIR+"/"+selected_version+"/rnode_firmware_heltec32v4pa.bin",
+                            "0x210000",UPD_DIR+"/"+selected_version+"/console_image.bin",
+                            "0x8000",  UPD_DIR+"/"+selected_version+"/rnode_firmware_heltec32v4pa.partitions",
+                        ]
                     elif fw_filename == "rnode_firmware_featheresp32.zip":
                         if numeric_version >= 1.55:
                             return [
@@ -3490,17 +3698,14 @@ def main():
                     graceful_exit()
 
             if args.config:
+                rnode.download_cfg_sector()
                 eeprom_reserved = 200
-                if rnode.platform == ROM.PLATFORM_ESP32:
-                    eeprom_size = 296
-                elif rnode.platform == ROM.PLATFORM_NRF52:
-                    eeprom_size = 296
-                else:
-                    eeprom_size = 4096
+                if rnode.platform == ROM.PLATFORM_ESP32: eeprom_size = 296
+                elif rnode.platform == ROM.PLATFORM_NRF52: eeprom_size = 296
+                else: eeprom_size = 4096
 
                 eeprom_offset = eeprom_size-eeprom_reserved
-                def ea(a):
-                    return a+eeprom_offset
+                def ea(a): return a+eeprom_offset
                 ec_bt   = rnode.eeprom[ROM.ADDR_CONF_BT]
                 ec_dint = rnode.eeprom[ROM.ADDR_CONF_DINT]
                 ec_dadr = rnode.eeprom[ROM.ADDR_CONF_DADR]
@@ -3510,40 +3715,89 @@ def main():
                 ec_pint = rnode.eeprom[ROM.ADDR_CONF_PINT]
                 ec_bset = rnode.eeprom[ROM.ADDR_CONF_BSET]
                 ec_dia  = rnode.eeprom[ROM.ADDR_CONF_DIA]
+                ec_wifi = rnode.eeprom[ROM.ADDR_CONF_WIFI]
+                ec_wchn = rnode.eeprom[ROM.ADDR_CONF_WCHN]
+                ec_ssid = None
+                ec_psk  = None
+                ec_ip   = None
+                ec_nm   = None
+
+                if ec_wchn < 1 or ec_wchn > 14: ec_wchn = 1
+                if rnode.cfg_sector:
+                    ssid_bytes = b""
+                    for i in range(0, 32):
+                        byte = rnode.cfg_sector[ROM.ADDR_CONF_SSID+i]
+                        if byte == 0xFF: byte = 0x00
+                        if byte == 0x00: break
+                        else: ssid_bytes += bytes([byte])
+
+                    try: ec_ssid = ssid_bytes.decode("utf-8")
+                    except Exception as e: print(f"Error: Could not decode WiFi SSID read from device")
+
+                    psk_bytes = b""
+                    for i in range(0, 32):
+                        byte = rnode.cfg_sector[ROM.ADDR_CONF_PSK+i]
+                        if byte == 0xFF: byte = 0x00
+                        if byte == 0x00: break
+                        else: psk_bytes += bytes([byte])
+
+                    ip_bytes = b""
+                    for i in range(0, 4):
+                        byte = rnode.cfg_sector[ROM.ADDR_CONF_IP+i]
+                        ip_bytes += bytes([byte])
+                    if len(ip_bytes) == 4: ec_ip = f"{int(ip_bytes[0])}.{int(ip_bytes[1])}.{int(ip_bytes[2])}.{int(ip_bytes[3])}"
+                    if ec_ip == "255.255.255.255" or ec_ip == "0.0.0.0": ec_ip = None
+
+                    nm_bytes = b""
+                    for i in range(0, 4):
+                        byte = rnode.cfg_sector[ROM.ADDR_CONF_NM+i]
+                        nm_bytes += bytes([byte])
+                    if len(nm_bytes) == 4: ec_nm = f"{int(nm_bytes[0])}.{int(nm_bytes[1])}.{int(nm_bytes[2])}.{int(nm_bytes[3])}"
+                    if ec_nm == "255.255.255.255" or ec_nm == "0.0.0.0": ec_nm = None
+
+                    if ec_wifi == 0x02:
+                        ec_ip = "10.0.0.1"
+                        ec_nm = "255.255.255.0"
+
+                    try: ec_psk = psk_bytes.decode("utf-8")
+                    except Exception as e: print(f"Error: Could not decode WiFi PSK read from device")
+                    if not args.show_psk and ec_psk: ec_psk = "*"*len(ec_psk)
+
                 print("\nDevice configuration:")
-                if ec_bt == 0x73:
-                    print(f"  Bluetooth              : Enabled")
-                else:
-                    print(f"  Bluetooth              : Disabled")
-                if ec_dia == 0x00:
-                    print(f"  Interference avoidance : Enabled")
-                else:
-                    print(f"  Interference avoidance : Disabled")
+                if ec_bt == 0x73:       print(f"  Bluetooth              : Enabled")
+                else:                   print(f"  Bluetooth              : Disabled")
+                if ec_wifi == 0x01:     print(f"  WiFi                   : Enabled (Station)")
+                if ec_wifi == 0x02:     print(f"  WiFi                   : Enabled (AP)")
+                else:                   print(f"  WiFi                   : Disabled")
+                if ec_wifi == 0x01 or ec_wifi == 0x02:
+                    if not ec_wchn:     print(f"    Channel              : Unknown")
+                    else:               print(f"    Channel              : {ec_wchn}")
+                    if not ec_ssid:     print(f"    SSID                 : Not set")
+                    else:               print(f"    SSID                 : {ec_ssid}")
+                    if not ec_psk:      print(f"    PSK                  : Not set")
+                    else:               print(f"    PSK                  : {ec_psk}")
+                    if not ec_ip:       print(f"    IP Address           : DHCP")
+                    else:               print(f"    IP Address           : {ec_ip}")
+                    if ec_ip and ec_nm: print(f"    Network Mask         : {ec_nm}")
+                if ec_dia == 0x00:      print(f"  Interference avoidance : Enabled")
+                else:                   print(f"  Interference avoidance : Disabled")
                 print(    f"  Display brightness     : {ec_dint}")
-                if ec_dadr == 0xFF:
-                    print(f"  Display address        : Default")
-                else:
-                    print(f"  Display address        : {RNS.hexrep(ec_dadr, delimit=False)}")
-                if ec_bset == 0x73 and ec_dblk != 0x00:
-                    print(f"  Display blanking       : {ec_dblk}s")
-                else:
-                    print(f"  Display blanking       : Disabled")
+                if ec_dadr == 0xFF:     print(f"  Display address        : Default")
+                else:                   print(f"  Display address        : {RNS.hexrep(ec_dadr, delimit=False)}")
+                if ec_bset == 0x73 and ec_dblk != 0x00: print(f"  Display blanking       : {ec_dblk}s")
+                else:                                   print(f"  Display blanking       : Disabled")
                 if ec_drot != 0xFF:
-                    if ec_drot == 0x00:
-                        rstr = "Landscape"
-                    if ec_drot == 0x01:
-                        rstr = "Portrait"
-                    if ec_drot == 0x02:
-                        rstr = "Landscape 180"
-                    if ec_drot == 0x03:
-                        rstr = "Portrait 180"
+                    if ec_drot == 0x00: rstr = "Landscape"
+                    if ec_drot == 0x01: rstr = "Portrait"
+                    if ec_drot == 0x02: rstr = "Landscape 180"
+                    if ec_drot == 0x03: rstr = "Portrait 180"
                     print(f"  Display rotation       : {rstr}")
                 else:
                     print(f"  Display rotation       : Default")
-                if ec_pset == 0x73:
-                    print(f"  Neopixel Intensity     : {ec_pint}")
+                if ec_pset == 0x73: print(f"  Neopixel Intensity     : {ec_pint}")
                 print("")
 
+                rnode.leave()
                 graceful_exit()
 
             if args.eeprom_dump:
@@ -3654,6 +3908,77 @@ def main():
                 input()
                 rnode.leave()
 
+            if args.channel:
+                try:
+                    RNS.log(f"Setting WiFi channel to {args.channel}")
+                    rnode.set_wifi_channel(args.channel)
+                except Exception as e:
+                    print(f"Could not set WiFi channel: {e}")
+                    graceful_exit()
+
+            if args.ssid:
+                try:
+                    if args.ssid.lower() == "none":
+                        ssid_str = None
+                        RNS.log(f"Deleting WiFi SSID")
+                    else:
+                        ssid_str = str(args.ssid)
+                        RNS.log(f"Setting WiFi SSID to: {ssid_str}")
+                    rnode.set_wifi_ssid(ssid_str)
+                except Exception as e:
+                    print(f"Could not set WiFi SSID: {e}")
+                    graceful_exit()
+
+            if args.psk:
+                try:
+                    if args.psk.lower() == "none":
+                        psk_str = None
+                        RNS.log(f"Deleting WiFi PSK")
+                    else:
+                        psk_str = str(args.psk)
+                        RNS.log(f"Setting WiFi PSK")
+                    rnode.set_wifi_psk(psk_str)
+                except Exception as e:
+                    print(f"Could not set WiFi PSK: {e}")
+                    graceful_exit()
+
+            if args.ip:
+                try:
+                    if args.ip.lower() == "none":
+                        RNS.log(f"Setting WiFi IP to DHCP...")
+                        rnode.set_wifi_ip(None)
+                    else:
+                        RNS.log(f"Setting WiFi static IP to: {args.ip}")
+                        rnode.set_wifi_ip(args.ip)
+                except Exception as e:
+                    print(f"Could not set WiFi IP: {e}")
+                    graceful_exit()
+
+            if args.nm:
+                try:
+                    if args.nm.lower() == "none":
+                        RNS.log(f"Deleting WiFi static netmask configuration...")
+                        rnode.set_wifi_nm(None)
+                    else:
+                        RNS.log(f"Setting WiFi static netmask to: {args.nm}")
+                        rnode.set_wifi_nm(args.nm)
+                except Exception as e:
+                    print(f"Could not set WiFi netmask: {e}")
+                    graceful_exit()
+
+            if args.wifi:
+                try:
+                    mode = 0x00
+                    if   str(args.wifi).lower().startswith("sta"): mode = 0x01
+                    elif str(args.wifi).lower().startswith("ap"):  mode = 0x02
+                    if mode == 0x00: RNS.log(f"Disabling WiFi...")
+                    elif mode == 0x01: RNS.log(f"Setting WiFi to station mode")
+                    elif mode == 0x02: RNS.log(f"Setting WiFi to AP mode")
+                    rnode.set_wifi_mode(mode)
+                except Exception as e:
+                    print(f"Could not set WiFi mode: {e}")
+                    graceful_exit()
+
             if args.info:
                 if rnode.provisioned:
                     timestamp = struct.unpack(">I", rnode.made)[0]
@@ -4028,8 +4353,8 @@ def main():
                                     print("cases, and copies of the source code for both the RNode Firmware,")
                                     print("Reticulum and other utilities.")
                                     print("")
-                                    print("To activate the RNode Bootstrap Console, power up your RNode and press")
-                                    print("the reset button twice with a one second interval. The RNode will now")
+                                    print("To activate the RNode Bootstrap Console, power up your RNode and hold")
+                                    print("down the user button for 10+ seconds, then release. The RNode will now")
                                     print("reboot into console mode, and activate a WiFi access point for you to")
                                     print("connect to. The console is then reachable at: http://10.0.0.1")
                                     print("")

RNS/Utilities/rnpath.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -31,7 +39,8 @@ import argparse
 from RNS._version import __version__
 
 remote_link = None
-def connect_remote(destination_hash, auth_identity, timeout, no_output = False):
+output_rst_str = "\r                                                          \r"
+def connect_remote(destination_hash, auth_identity, timeout, no_output = False, purpose="management"):
     global remote_link, reticulum
     if not RNS.Transport.has_path(destination_hash):
         if not no_output:
@@ -43,107 +52,220 @@ def connect_remote(destination_hash, auth_identity, timeout, no_output = False):
             time.sleep(0.1)
             if time.time() - pr_time > timeout:
                 if not no_output:
-                    print("\r                                                          \r", end="")
+                    print(output_rst_str, end="")
                     print("Path request timed out")
                     exit(12)
 
     remote_identity = RNS.Identity.recall(destination_hash)
 
     def remote_link_closed(link):
-        if link.teardown_reason == RNS.Link.TIMEOUT:
+        if link.teardown_reason == RNS.Link.INITIATOR_CLOSED: return
+        elif link.teardown_reason == RNS.Link.TIMEOUT:
             if not no_output:
-                print("\r                                                          \r", end="")
+                print(output_rst_str, end="")
                 print("The link timed out, exiting now")
         elif link.teardown_reason == RNS.Link.DESTINATION_CLOSED:
             if not no_output:
-                print("\r                                                          \r", end="")
+                print(output_rst_str, end="")
                 print("The link was closed by the server, exiting now")
         else:
             if not no_output:
-                print("\r                                                          \r", end="")
+                print(output_rst_str, end="")
                 print("Link closed unexpectedly, exiting now")
         exit(10)
 
     def remote_link_established(link):
         global remote_link
-        link.identify(auth_identity)
+        if purpose == "management": link.identify(auth_identity)
         remote_link = link
 
     if not no_output:
-        print("\r                                                          \r", end="")
+        print(output_rst_str, end="")
         print("Establishing link with remote transport instance...", end=" ")
         sys.stdout.flush()
 
-    remote_destination = RNS.Destination(remote_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, "rnstransport", "remote", "management")
+    if purpose == "management": remote_destination = RNS.Destination(remote_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, "rnstransport", "remote", "management")
+    elif purpose == "blackhole": remote_destination = RNS.Destination(remote_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, "rnstransport", "info", "blackhole")
     link = RNS.Link(remote_destination)
     link.set_link_established_callback(remote_link_established)
     link.set_link_closed_callback(remote_link_closed)
 
+def parse_hash(input_str):
+    dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
+    if len(input_str) != dest_len: raise ValueError("Hash length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
+    try:
+        hash_bytes = bytes.fromhex(input_str)
+        return hash_bytes
+    except Exception as e: raise ValueError("Invalid hash entered. Check your input.")
+
 def program_setup(configdir, table, rates, drop, destination_hexhash, verbosity, timeout, drop_queues,
                   drop_via, max_hops, remote=None, management_identity=None, remote_timeout=RNS.Transport.PATH_REQUEST_TIMEOUT,
-                  no_output=False, json=False):
+                  blackholed=False, blackhole=False, unblackhole=False, blackhole_duration=None, blackhole_reason=None,
+                  remote_blackhole_list=False, remote_blackhole_list_filter=None, no_output=False, json=False):
+
     global remote_link, reticulum
     reticulum = RNS.Reticulum(configdir = configdir, loglevel = 3+verbosity)
     if remote:
         try:
             dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
-            if len(remote) != dest_len:
-                raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
+            if len(remote) != dest_len: raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
             try:
                 identity_hash = bytes.fromhex(remote)
                 remote_hash = RNS.Destination.hash_from_name_and_identity("rnstransport.remote.management", identity_hash)
-            except Exception as e:
-                raise ValueError("Invalid destination entered. Check your input.")
+            except Exception as e: raise ValueError("Invalid destination entered. Check your input.")
 
             identity = RNS.Identity.from_file(os.path.expanduser(management_identity))
-            if identity == None:
-                raise ValueError("Could not load management identity from "+str(management_identity))
+            if identity == None: raise ValueError("Could not load management identity from "+str(management_identity))
 
-            try:
-                connect_remote(remote_hash, identity, remote_timeout, no_output)
-            except Exception as e:
-                raise e
+            try: connect_remote(remote_hash, identity, remote_timeout, no_output)
+            except Exception as e: raise e
 
         except Exception as e:
             print(str(e))
             exit(20)
 
-        while remote_link == None:
-            time.sleep(0.1)
+        while remote_link == None: time.sleep(0.1)
 
+    if blackholed or remote_blackhole_list:
+        blackholed_list = None
+        if blackholed:
+            if remote_link:
+                if not no_output:
+                    print(output_rst_str, end="")
+                    print("Listing blackholed identities on remote instances not yet implemented")
+                exit(255)
 
-    if table:
+            try: blackholed_list = reticulum.get_blackholed_identities()
+            except Exception as e:
+                print(f"Could not get blackholed identities from RNS instance: {e}")
+                exit(20)
+
+        elif remote_blackhole_list:
+            try: identity_hash = parse_hash(destination_hexhash)
+            except Exception as e:
+                print(f"{e}")
+                exit(20)
+
+            remote_hash = RNS.Destination.hash_from_name_and_identity("rnstransport.info.blackhole", identity_hash)
+            connect_remote(remote_hash, None, remote_timeout, no_output, purpose="blackhole")
+            while remote_link == None: time.sleep(0.1)
+
+            if not no_output:
+                print(output_rst_str, end="")
+                print("Sending request...", end=" ")
+                sys.stdout.flush()
+            receipt = remote_link.request("/list")
+            while not receipt.concluded(): time.sleep(0.1)
+            response = receipt.get_response()
+            if type(response) == dict:
+                blackholed_list = response
+                print(output_rst_str, end="")
+            else:
+                if not no_output:
+                    print(output_rst_str, end="")
+                    print("The remote request failed.")
+                exit(10)
+
+        else:
+            print(f"Nowhere to fetch blackhole list from")
+            exit(255)
+
+        if not blackholed_list:
+            print("No blackholed identity data available")
+            exit(20)
+
+        else:
+            rmlen = 64
+            def trunc(input_str):
+                if len(input_str) <= rmlen: return input_str
+                else: return f"{input_str[:rmlen-1]}…"
+
+            try:
+                now = time.time()
+                for identity_hash in blackholed_list:
+                    until      = blackholed_list[identity_hash]["until"]
+                    reason     = blackholed_list[identity_hash]["reason"]
+                    source     = blackholed_list[identity_hash]["source"]
+                    until_str  = f"for {RNS.prettytime(max(0, until-now))}" if until else "indefinitely"
+                    reason_str = f" ({trunc(reason)})" if reason else ""
+                    by_str     = f" by {RNS.prettyhexrep(source)}" if source != RNS.Transport.identity.hash else ""
+                    filter_str = f"{RNS.prettyhexrep(identity_hash)} {until_str} {reason_str} {by_str}"
+
+                    if not remote_blackhole_list:
+                        if destination_hexhash and not destination_hexhash in filter_str: continue
+                    else:
+                        if remote_blackhole_list_filter and not remote_blackhole_list_filter in filter_str: continue
+
+                    print(f"{RNS.prettyhexrep(identity_hash)} blackholed {until_str}{reason_str}{by_str}")
+
+            except Exception as e:
+                print(f"Error while displaying collected blackhole data: {e}")
+                exit(20)
+
+    elif blackhole:
+        if remote_link:
+            if not no_output:
+                print(output_rst_str, end="")
+                print("Blackholing identity on remote instances not yet implemented")
+            exit(255)
+
+        try:
+            identity_hash = parse_hash(destination_hexhash)
+            until = time.time()+blackhole_duration*60*60 if blackhole_duration else None
+            result = reticulum.blackhole_identity(identity_hash, until=until, reason=blackhole_reason)
+            if result == True: print(f"Blackholed identity {destination_hexhash}")
+            elif result == None: print(f"Identity {destination_hexhash} already blackholed")
+            else: print(f"Could not blackhole identity {destination_hexhash}")
+        
+        except Exception as e:
+            print(f"Could not blackhole identity: {e}")
+            exit(20)
+    
+    elif unblackhole:
+        if remote_link:
+            if not no_output:
+                print(output_rst_str, end="")
+                print("Blackholing identity on remote instances not yet implemented")
+            exit(255)
+
+        try:
+            identity_hash = parse_hash(destination_hexhash)
+            result = reticulum.unblackhole_identity(identity_hash)
+            if result == True: print(f"Lifted blackhole for identity {destination_hexhash}")
+            elif result == None: print(f"Identity {destination_hexhash} not blackholed")
+            else: print(f"Could not unblackhole identity {destination_hexhash}")
+        
+        except Exception as e:
+            print(f"Could not unblackhole identity: {e}")
+            exit(20)
+    
+    elif table:
         destination_hash = None
         if destination_hexhash != None:
             try:
                 dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
-                if len(destination_hexhash) != dest_len:
-                    raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
-                try:
-                    destination_hash = bytes.fromhex(destination_hexhash)
-                except Exception as e:
-                    raise ValueError("Invalid destination entered. Check your input.")
+                if len(destination_hexhash) != dest_len: raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
+                try: destination_hash = bytes.fromhex(destination_hexhash)
+                except Exception as e: raise ValueError("Invalid destination entered. Check your input.")
             except Exception as e:
                 print(str(e))
                 sys.exit(1)
 
-        if not remote_link:
-            table = sorted(reticulum.get_path_table(max_hops=max_hops), key=lambda e: (e["interface"], e["hops"]) )
+        if not remote_link: table = sorted(reticulum.get_path_table(max_hops=max_hops), key=lambda e: (e["interface"], e["hops"]) )
         else:
             if not no_output:
-                print("\r                                                          \r", end="")
+                print(output_rst_str, end="")
                 print("Sending request...", end=" ")
                 sys.stdout.flush()
             receipt = remote_link.request("/path", data = ["table", destination_hash, max_hops])
-            while not receipt.concluded():
-                time.sleep(0.1)
+            while not receipt.concluded(): time.sleep(0.1)
             response = receipt.get_response()
             if response:
                 table = response
-                print("\r                                                          \r", end="")
+                print(output_rst_str, end="")
             else:
                 if not no_output:
-                    print("\r                                                          \r", end="")
+                    print(output_rst_str, end="")
                     print("The remote request failed. Likely authentication failure.")
                 exit(10)
 
@@ -152,20 +274,18 @@ def program_setup(configdir, table, rates, drop, destination_hexhash, verbosity,
             import json
             for p in table:
                 for k in p:
-                    if isinstance(p[k], bytes):
-                        p[k] = RNS.hexrep(p[k], delimit=False)
+                    if isinstance(p[k], bytes): p[k] = RNS.hexrep(p[k], delimit=False)
 
             print(json.dumps(table))
             exit()
+        
         else:
             for path in table:
                 if destination_hash == None or destination_hash == path["hash"]:
                     displayed += 1
                     exp_str = RNS.timestamp_str(path["expires"])
-                    if path["hops"] == 1:
-                        m_str = " "
-                    else:
-                        m_str = "s"
+                    if path["hops"] == 1: m_str = " "
+                    else: m_str = "s"
                     print(RNS.prettyhexrep(path["hash"])+" is "+str(path["hops"])+" hop"+m_str+" away via "+RNS.prettyhexrep(path["via"])+" on "+path["interface"]+" expires "+RNS.timestamp_str(path["expires"]))
 
             if destination_hash != None and displayed == 0:
@@ -177,21 +297,17 @@ def program_setup(configdir, table, rates, drop, destination_hexhash, verbosity,
         if destination_hexhash != None:
             try:
                 dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
-                if len(destination_hexhash) != dest_len:
-                    raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
-                try:
-                    destination_hash = bytes.fromhex(destination_hexhash)
-                except Exception as e:
-                    raise ValueError("Invalid destination entered. Check your input.")
+                if len(destination_hexhash) != dest_len: raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
+                try: destination_hash = bytes.fromhex(destination_hexhash)
+                except Exception as e: raise ValueError("Invalid destination entered. Check your input.")
             except Exception as e:
                 print(str(e))
                 sys.exit(1)
 
-        if not remote_link:
-            table = reticulum.get_rate_table()
+        if not remote_link: table = reticulum.get_rate_table()
         else:
             if not no_output:
-                print("\r                                                          \r", end="")
+                print(output_rst_str, end="")
                 print("Sending request...", end=" ")
                 sys.stdout.flush()
             receipt = remote_link.request("/path", data = ["rates", destination_hash])
@@ -200,10 +316,10 @@ def program_setup(configdir, table, rates, drop, destination_hexhash, verbosity,
             response = receipt.get_response()
             if response:
                 table = response
-                print("\r                                                          \r", end="")
+                print(output_rst_str, end="")
             else:
                 if not no_output:
-                    print("\r                                                          \r", end="")
+                    print(output_rst_str, end="")
                     print("The remote request failed. Likely authentication failure.")
                 exit(10)
 
@@ -212,15 +328,12 @@ def program_setup(configdir, table, rates, drop, destination_hexhash, verbosity,
             import json
             for p in table:
                 for k in p:
-                    if isinstance(p[k], bytes):
-                        p[k] = RNS.hexrep(p[k], delimit=False)
+                    if isinstance(p[k], bytes): p[k] = RNS.hexrep(p[k], delimit=False)
 
             print(json.dumps(table))
             exit()
         else:
-            if len(table) == 0:
-                print("No information available")
-
+            if len(table) == 0: print("No information available")
             else:
                 displayed = 0
                 for entry in table:
@@ -266,7 +379,7 @@ def program_setup(configdir, table, rates, drop, destination_hexhash, verbosity,
     elif drop_queues:
         if remote_link:
             if not no_output:
-                print("\r                                                          \r", end="")
+                print(output_rst_str, end="")
                 print("Dropping announce queues on remote instances not yet implemented")
             exit(255)
 
@@ -276,24 +389,20 @@ def program_setup(configdir, table, rates, drop, destination_hexhash, verbosity,
     elif drop:
         if remote_link:
             if not no_output:
-                print("\r                                                          \r", end="")
+                print(output_rst_str, end="")
                 print("Dropping path on remote instances not yet implemented")
             exit(255)
 
         try:
             dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
-            if len(destination_hexhash) != dest_len:
-                raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
-            try:
-                destination_hash = bytes.fromhex(destination_hexhash)
-            except Exception as e:
-                raise ValueError("Invalid destination entered. Check your input.")
+            if len(destination_hexhash) != dest_len: raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
+            try: destination_hash = bytes.fromhex(destination_hexhash)
+            except Exception as e: raise ValueError("Invalid destination entered. Check your input.")
         except Exception as e:
             print(str(e))
             sys.exit(1)
 
-        if reticulum.drop_path(destination_hash):
-            print("Dropped path to "+RNS.prettyhexrep(destination_hash))
+        if reticulum.drop_path(destination_hash): print("Dropped path to "+RNS.prettyhexrep(destination_hash))
         else:
             print("Unable to drop path to "+RNS.prettyhexrep(destination_hash)+". Does it exist?")
             sys.exit(1)
@@ -301,24 +410,20 @@ def program_setup(configdir, table, rates, drop, destination_hexhash, verbosity,
     elif drop_via:
         if remote_link:
             if not no_output:
-                print("\r                                                          \r", end="")
+                print(output_rst_str, end="")
                 print("Dropping all paths via specific transport instance on remote instances yet not implemented")
             exit(255)
 
         try:
             dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
-            if len(destination_hexhash) != dest_len:
-                raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
-            try:
-                destination_hash = bytes.fromhex(destination_hexhash)
-            except Exception as e:
-                raise ValueError("Invalid destination entered. Check your input.")
+            if len(destination_hexhash) != dest_len: raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
+            try: destination_hash = bytes.fromhex(destination_hexhash)
+            except Exception as e: raise ValueError("Invalid destination entered. Check your input.")
         except Exception as e:
             print(str(e))
             sys.exit(1)
 
-        if reticulum.drop_all_via(destination_hash):
-            print("Dropped all paths via "+RNS.prettyhexrep(destination_hash))
+        if reticulum.drop_all_via(destination_hash): print("Dropped all paths via "+RNS.prettyhexrep(destination_hash))
         else:
             print("Unable to drop paths via "+RNS.prettyhexrep(destination_hash)+". Does the transport instance exist?")
             sys.exit(1)
@@ -326,18 +431,15 @@ def program_setup(configdir, table, rates, drop, destination_hexhash, verbosity,
     else:
         if remote_link:
             if not no_output:
-                print("\r                                                          \r", end="")
+                print(output_rst_str, end="")
                 print("Requesting paths on remote instances not implemented")
             exit(255)
 
         try:
             dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
-            if len(destination_hexhash) != dest_len:
-                raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
-            try:
-                destination_hash = bytes.fromhex(destination_hexhash)
-            except Exception as e:
-                raise ValueError("Invalid destination entered. Check your input.")
+            if len(destination_hexhash) != dest_len: raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
+            try: destination_hash = bytes.fromhex(destination_hexhash)
+            except Exception as e: raise ValueError("Invalid destination entered. Check your input.")
         except Exception as e:
             print(str(e))
             sys.exit(1)
@@ -366,166 +468,57 @@ def program_setup(configdir, table, rates, drop, destination_hexhash, verbosity,
                 next_hop = RNS.prettyhexrep(next_hop_bytes)
                 next_hop_interface = reticulum.get_next_hop_if_name(destination_hash)
 
-                if hops != 1:
-                    ms = "s"
-                else:
-                    ms = ""
+                if hops != 1: ms = "s"
+                else: ms = ""
 
                 print("\rPath found, destination "+RNS.prettyhexrep(destination_hash)+" is "+str(hops)+" hop"+ms+" away via "+next_hop+" on "+next_hop_interface)
         else:
             print("\r                                                       \rPath not found")
             sys.exit(1)
 
-    
 
 def main():
     try:
-        parser = argparse.ArgumentParser(description="Reticulum Path Discovery Utility")
-
-        parser.add_argument("--config",
-            action="store",
-            default=None,
-            help="path to alternative Reticulum config directory",
-            type=str
-        )
-
-        parser.add_argument(
-            "--version",
-            action="version",
-            version="rnpath {version}".format(version=__version__)
-        )
-
-        parser.add_argument(
-            "-t",
-            "--table",
-            action="store_true",
-            help="show all known paths",
-            default=False
-        )
-
-        parser.add_argument(
-            "-m",
-            "--max",
-            action="store",
-            metavar="hops",
-            type=int,
-            help="maximum hops to filter path table by",
-            default=None
-        )
-
-        parser.add_argument(
-            "-r",
-            "--rates",
-            action="store_true",
-            help="show announce rate info",
-            default=False
-        )
-
-        parser.add_argument(
-            "-d",
-            "--drop",
-            action="store_true",
-            help="remove the path to a destination",
-            default=False
-        )
-
-        parser.add_argument(
-            "-D",
-            "--drop-announces",
-            action="store_true",
-            help="drop all queued announces",
-            default=False
-        )
-
-        parser.add_argument(
-            "-x", "--drop-via",
-            action="store_true",
-            help="drop all paths via specified transport instance",
-            default=False
-        )
-
-        parser.add_argument(
-            "-w",
-            action="store",
-            metavar="seconds",
-            type=float,
-            help="timeout before giving up",
-            default=RNS.Transport.PATH_REQUEST_TIMEOUT
-        )
-
-        parser.add_argument(
-            "-R",
-            action="store",
-            metavar="hash",
-            help="transport identity hash of remote instance to manage",
-            default=None,
-            type=str
-        )
-
-        parser.add_argument(
-            "-i",
-            action="store",
-            metavar="path",
-            help="path to identity used for remote management",
-            default=None,
-            type=str
-        )
-
-        parser.add_argument(
-            "-W",
-            action="store",
-            metavar="seconds",
-            type=float,
-            help="timeout before giving up on remote queries",
-            default=RNS.Transport.PATH_REQUEST_TIMEOUT
-        )
-        
-        parser.add_argument(
-            "-j",
-            "--json",
-            action="store_true",
-            help="output in JSON format",
-            default=False
-        )
-
-        parser.add_argument(
-            "destination",
-            nargs="?",
-            default=None,
-            help="hexadecimal hash of the destination",
-            type=str
-        )
-
+        parser = argparse.ArgumentParser(description="Reticulum Path Management Utility")
+        parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
+        parser.add_argument("--version", action="version", version="rnpath {version}".format(version=__version__))
+        parser.add_argument("-t", "--table", action="store_true", help="show all known paths", default=False)
+        parser.add_argument("-m", "--max", action="store", metavar="hops", type=int, help="maximum hops to filter path table by", default=None)
+        parser.add_argument("-r", "--rates", action="store_true", help="show announce rate info", default=False)
+        parser.add_argument("-d", "--drop", action="store_true", help="remove the path to a destination", default=False)
+        parser.add_argument("-D", "--drop-announces", action="store_true", help="drop all queued announces", default=False)
+        parser.add_argument("-x", "--drop-via", action="store_true", help="drop all paths via specified transport instance", default=False)
+        parser.add_argument("-w", action="store", metavar="seconds", type=float, help="timeout before giving up", default=RNS.Transport.PATH_REQUEST_TIMEOUT)
+        parser.add_argument("-R", action="store", metavar="hash", help="transport identity hash of remote instance to manage", default=None, type=str)
+        parser.add_argument("-i", action="store", metavar="path", help="path to identity used for remote management", default=None, type=str)
+        parser.add_argument("-W", action="store", metavar="seconds", type=float, help="timeout before giving up on remote queries", default=RNS.Transport.PATH_REQUEST_TIMEOUT)
+        parser.add_argument("-b", "--blackholed", action="store_true", help="list blackholed identities", default=False)
+        parser.add_argument("-B", "--blackhole", action="store_true", help="blackhole identity", default=False)
+        parser.add_argument("-U", "--unblackhole", action="store_true", help="unblackhole identity", default=False)
+        parser.add_argument(      "--duration", action="store", type=float, help="duration of blackhole enforcement in hours", default=None)
+        parser.add_argument(      "--reason", action="store", type=str, help="reason for blackholing identity", default=None)
+        parser.add_argument("-p", "--blackholed-list", action="store_true", help="view published blackhole list for remote transport instance", default=False)
+        parser.add_argument("-j", "--json", action="store_true", help="output in JSON format", default=False)
+        parser.add_argument("destination", nargs="?", default=None, help="hexadecimal hash of the destination", type=str)
+        parser.add_argument("list_filter", nargs="?", default=None, help="filter for remote blackhole list view", type=str)
         parser.add_argument('-v', '--verbose', action='count', default=0)
         
         args = parser.parse_args()
 
-        if args.config:
-            configarg = args.config
-        else:
-            configarg = None
+        if args.config: configarg = args.config
+        else: configarg = None
 
-        if not args.drop_announces and not args.table and not args.rates and not args.destination and not args.drop_via:
+        if not args.drop_announces and not args.table and not args.rates and not args.destination and not args.drop_via and not args.blackholed:
             print("")
             parser.print_help()
             print("")
         else:
-            program_setup(
-                configdir = configarg,
-                table = args.table,
-                rates = args.rates,
-                drop = args.drop,
-                destination_hexhash = args.destination,
-                verbosity = args.verbose,
-                timeout = args.w,
-                drop_queues = args.drop_announces,
-                drop_via = args.drop_via,
-                max_hops = args.max,
-                remote=args.R,
-                management_identity=args.i,
-                remote_timeout=args.W,
-                json=args.json,
-            )
+            program_setup(configdir = configarg, table = args.table, rates = args.rates, drop = args.drop, destination_hexhash = args.destination,
+                          verbosity = args.verbose, timeout = args.w, drop_queues = args.drop_announces, drop_via = args.drop_via, max_hops = args.max,
+                          remote=args.R, management_identity=args.i, remote_timeout=args.W, blackholed=args.blackholed, blackhole=args.blackhole,
+                          unblackhole=args.unblackhole, blackhole_duration=args.duration, blackhole_reason=args.reason, remote_blackhole_list=args.blackholed_list,
+                          remote_blackhole_list_filter=args.list_filter, json=args.json)
+
             sys.exit(0)
 
     except KeyboardInterrupt:
@@ -535,38 +528,22 @@ def main():
 def pretty_date(time=False):
     from datetime import datetime
     now = datetime.now()
-    if type(time) is int:
-        diff = now - datetime.fromtimestamp(time)
-    elif isinstance(time,datetime):
-        diff = now - time
-    elif not time:
-        diff = now - now
+    if type(time) is int: diff = now - datetime.fromtimestamp(time)
+    elif isinstance(time,datetime): diff = now - time
+    elif not time: diff = now - now
     second_diff = diff.seconds
     day_diff = diff.days
-    if day_diff < 0:
-        return ''
+    if day_diff < 0: return ''
     if day_diff == 0:
-        if second_diff < 10:
-            return str(second_diff) + " seconds"
-        if second_diff < 60:
-            return str(second_diff) + " seconds"
-        if second_diff < 120:
-            return "1 minute"
-        if second_diff < 3600:
-            return str(int(second_diff / 60)) + " minutes"
-        if second_diff < 7200:
-            return "an hour"
-        if second_diff < 86400:
-            return str(int(second_diff / 3600)) + " hours"
-    if day_diff == 1:
-        return "1 day"
-    if day_diff < 7:
-        return str(day_diff) + " days"
-    if day_diff < 31:
-        return str(int(day_diff / 7)) + " weeks"
-    if day_diff < 365:
-        return str(int(day_diff / 30)) + " months"
+        if second_diff < 10: return str(second_diff) + " seconds"
+        if second_diff < 60: return str(second_diff) + " seconds"
+        if second_diff < 70: return "1 minute"
+        if second_diff < 7200: return str(int(second_diff / 60)) + " minutes"
+        if second_diff < 86400: return str(int(second_diff / 3600)) + " hours"
+    if day_diff == 1: return "1 day"
+    if day_diff < 7: return str(day_diff) + " days"
+    if day_diff < 31: return str(int(day_diff / 7)) + " weeks"
+    if day_diff < 365: return str(int(day_diff / 30)) + " months"
     return str(int(day_diff / 365)) + " years"
 
-if __name__ == "__main__":
-    main()
+if __name__ == "__main__": main()

RNS/Utilities/rnpkg.py

@@ -0,0 +1,78 @@
+#!/usr/bin/env python3
+
+# Reticulum License
+#
+# Copyright (c) 2016-2025 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import RNS
+import argparse
+import time
+
+from RNS._version import __version__
+
+def program_setup(configdir, verbosity = 0, quietness = 0, service = False):
+    targetverbosity = verbosity-quietness
+
+    if service:
+        targetlogdest  = RNS.LOG_FILE
+        targetverbosity = None
+    else:
+        targetlogdest  = RNS.LOG_STDOUT
+
+    reticulum = RNS.Reticulum(configdir=configdir, verbosity=targetverbosity, logdest=targetlogdest)
+    exit(0)
+
+def main():
+    try:
+        parser = argparse.ArgumentParser(description="Reticulum Meta Package Manager")
+        parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
+        parser.add_argument('-v', '--verbose', action='count', default=0)
+        parser.add_argument('-q', '--quiet', action='count', default=0)
+        parser.add_argument("--exampleconfig", action='store_true', default=False, help="print verbose configuration example to stdout and exit")
+        parser.add_argument("--version", action="version", version="rnpkg {version}".format(version=__version__))
+        
+        args = parser.parse_args()
+
+        if args.exampleconfig:
+            print(__example_rnpkg_config__)
+            exit()
+
+        if args.config: configarg = args.config
+        else: configarg = None
+
+        program_setup(configdir = configarg, verbosity=args.verbose, quietness=args.quiet)
+
+    except KeyboardInterrupt:
+        print("")
+        exit()
+
+__example_rnpkg_config__ = '''# This is an example package manager configuration file.
+'''
+
+if __name__ == "__main__": main()

RNS/Utilities/rnprobe.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Utilities/rnsd.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -109,12 +117,24 @@ share_instance = Yes
 
 # If you want to run multiple *different* shared instances
 # on the same system, you will need to specify different
-# shared instance ports for each. The defaults are given
-# below, and again, these options can be left out if you
-# don't need them.
+# instance names for each. On platforms supporting domain
+# sockets, this can be done with the instance_name option:
 
-shared_instance_port = 37428
-instance_control_port = 37429
+instance_name = default
+
+# Some platforms don't support domain sockets, and if that
+# is the case, you can isolate different instances by
+# specifying a unique set of ports for each:
+
+# shared_instance_port = 37428
+# instance_control_port = 37429
+
+
+# If you want to explicitly use TCP for shared instance
+# communication, instead of domain sockets, this is also
+# possible, by using the following option:
+
+# shared_instance_type = tcp
 
 
 # On systems where running instances may not have access
@@ -140,13 +160,62 @@ instance_control_port = 37429
 # remote_management_allowed = 9fb6d773498fb3feda407ed8ef2c3229, 2d882c5586e548d79b5af27bca1776dc
 
 
+# For easier management, discovery and configuration of
+# networks with many individual transport instances,
+# you can specify a network identity to be used across
+# a set of instances. If sending interface discovery
+# announces, these will all be signed by the specified
+# network identity, and other nodes discovering your
+# interfaces will be able to identify that they belong
+# to the same network, even though they exist on different
+# transport nodes.
+
+# network_identity = ~/.reticulum/storage/identity/network
+
+
+# You can configure whether Reticulum should discover
+# available interfaces from other Transport Instances over
+# the network. If this option is enabled, Reticulum will
+# collect interface information discovered from the network.
+
+# discover_interfaces = No
+
+
+# If you only want to discover interfaces from specific
+# networks, you can provide a list of network identities
+# from which to discover interfaces. If this option is not
+# provided, interfaces will be discovered from all transport
+# instances on all connected networks.
+
+# interface_discovery_sources = 78616ff7c4b8d3886d67d494b440f333, cb127015e13aa6ea1e0a606cdc9123d0
+
+
+# It is possible to automatically bring up and connect new
+# interfaces discovered over the network. This option is
+# disabled by default, but allows you to specify a maximum
+# number of discovered interfaces to automatically connect.
+# Additionally, if this option is enabled, Reticulum will
+# also try to autoconnect available auto-discovered inter-
+# faces on startup, up to the maximum number specified.
+
+# autoconnect_discovered_interfaces = 0
+
+
+# To prevent interface discovery spamming, a valid crypto-
+# graphic stamp is required per announced interface. You
+# can configure the minimum required value to accept as
+# valid for discovered interfaces.
+
+# required_discovery_value = 14
+
+
 # You can configure Reticulum to panic and forcibly close
 # if an unrecoverable interface error occurs, such as the
 # hardware device for an interface disappearing. This is
 # an optional directive, and can be left out for brevity.
 # This behaviour is disabled by default.
 
-panic_on_interface_error = No
+# panic_on_interface_error = No
 
 
 # When Transport is enabled, it is possible to allow the
@@ -157,7 +226,27 @@ panic_on_interface_error = No
 # Transport Instance, and printed to the log at startup.
 # Optional, and disabled by default.
 
-respond_to_probes = No
+# respond_to_probes = No
+
+
+# You can publish your local list of blackholed identities
+# for other transport instances to use for automatic,
+# network-wide blackhole management.
+
+# publish_blackhole = No
+
+# List of remote transport identities from which to auto-
+# matically source lists of blackholed identities.
+#
+# If you're connecting to a large external network, you
+# can use one or more external blackhole list to block
+# spammy and excessive announces onto your network. This
+# funtionality is especially useful if you're hosting public
+# entrypoints or gateways. The list source below provides a
+# functional example, but better, more timely maintained
+# lists probably exist in the community.
+
+# blackhole_sources = 521c87a83afb8f29e4455e77930b973b
 
 
 [logging]

RNS/Utilities/rnsh/__init__.py

@@ -0,0 +1,41 @@
+#         Based on the original rnsh program by Aaron Heise (@acehoss)
+# https://github.com/acehoss/rnsh - MIT License - Copyright (c) 2023 Aaron Heise
+#     This version of rnsh is included in RNS under the Reticulum License
+#
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+from ._version import __version__
+
+import os
+module_abs_filename = os.path.abspath(__file__)
+module_dir = os.path.dirname(module_abs_filename)
+
+def _get_version(): return __version__

RNS/Utilities/rnsh/_version.py

@@ -0,0 +1 @@
+__version__ = "0.2.0"

RNS/Utilities/rnsh/args.py

@@ -0,0 +1,93 @@
+#         Based on the original rnsh program by Aaron Heise (@acehoss)
+# https://github.com/acehoss/rnsh - MIT License - Copyright (c) 2023 Aaron Heise
+#     This version of rnsh is included in RNS under the Reticulum License
+#
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import argparse
+import sys
+
+from RNS.Utilities.rnsh._version import __version__ as __rnsh_version__
+from RNS._version import __version__
+
+DEFAULT_SERVICE_NAME = "default"
+
+def setup_argument_parser():
+    parser = argparse.ArgumentParser(description="Reticulum Remote Shell Utility", epilog="When specifying a command to execute, separate rnsh\noptions from the command and its arguments with --\n\nFor example:\n  rnsh -l -- /bin/bash --login\n  rnsh <destination> -- ls -la /tmp", formatter_class=argparse.RawDescriptionHelpFormatter)
+
+    # Common options
+    parser.add_argument("--config", "-c", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
+    parser.add_argument("--identity", "-i", action="store", default=None, help="path to identity file to use", type=str)
+    parser.add_argument("-v", "--verbose", action="count", default=0, help="increase verbosity")
+    parser.add_argument("-q", "--quiet", action="count", default=0, help="decrease verbosity")
+    parser.add_argument("-p", "--print-identity", action="store_true", default=False, help="print identity and destination info and exit")
+    parser.add_argument("--version", action="version", version="rnsh {rv} (protocol {pv})".format(rv=__version__, pv=__rnsh_version__))
+
+    # Listener options
+    parser.add_argument("-l", "--listen", action="store_true", default=False, help="listen (server) mode; any command specified after -- will be used as the default command when the initiator does not provide one or when remote command execution is disabled; if no command is specified, the default shell of the user running rnsh will be used")
+    parser.add_argument("-s", "--service", action="store", default=None, help="service name for identity file if not the default", type=str)
+    parser.add_argument("-b", "--announce",action="store", default=None,help="announce on startup and every PERIOD seconds; specify 0 to announce on startup only",metavar="PERIOD", type=int)
+    parser.add_argument("-a", "--allowed", action="append", default=None, metavar="HASH", type=str, help="allow this identity to connect (may be specified multiple times); allowed identities can also be specified in ~/.rnsh/allowed_identities or ~/.config/rnsh/allowed_identities, one hash per line")
+    parser.add_argument("-n", "--no-auth", action="store_true", default=False, help="disable authentication (allow any identity to connect)")
+    parser.add_argument("-A", "--remote-command-as-args", action="store_true", default=False, help="concatenate remote command to the argument list of the default program or shell")
+    parser.add_argument("-C", "--no-remote-command", action="store_true", default=False, help="disable executing command lines received from the remote initiator")
+
+    # Initiator options
+    parser.add_argument("-N", "--no-id", action="store_true", default=False, help="disable identity announcement on connect")
+    parser.add_argument("-m", "--mirror", action="store_true", default=False, help="return with the exit code of the remote process")
+    parser.add_argument("-w", "--timeout", action="store", default=None, help="connect and request timeout in seconds", metavar="SECONDS", type=float)
+
+    parser.add_argument("destination", nargs="?", default=None, help="hexadecimal hash of the destination to connect to", type=str)
+
+    return parser
+
+
+def parse_arguments(argv=None):
+    if argv is None: argv = sys.argv[1:]
+
+    # Split at -- to separate rnsh options from the command to execute.
+    # Everything before -- (or the entire argv if no --) goes to argparse.
+    # Everything after -- becomes the command list.
+    try:
+        split_idx = argv.index("--")
+        rnsh_argv = argv[:split_idx]
+        command = argv[split_idx + 1:]
+    except ValueError:
+        rnsh_argv = argv
+        command = []
+
+    parser = setup_argument_parser()
+    args = parser.parse_args(rnsh_argv)
+    args.command = command
+
+    if args.listen and not args.service: args.service = DEFAULT_SERVICE_NAME
+
+    return args, parser

RNS/Utilities/rnsh/exception.py

@@ -0,0 +1,60 @@
+#         Based on the original rnsh program by Aaron Heise (@acehoss)
+# https://github.com/acehoss/rnsh - MIT License - Copyright (c) 2023 Aaron Heise
+#     This version of rnsh is included in RNS under the Reticulum License
+#
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import contextlib
+from contextlib import AbstractContextManager
+import logging
+import sys
+
+
+class permit(AbstractContextManager):
+    """Context manager to allow specified exceptions
+
+    The specified exceptions will be allowed to bubble up. Other
+    exceptions are suppressed.
+
+    After a non-matching exception is suppressed, execution proceeds
+    with the next statement following the with statement.
+
+         with allow(KeyboardInterrupt):
+             time.sleep(300)
+         # Execution still resumes here if no KeyboardInterrupt
+    """
+
+    def __init__(self, *exceptions): self._exceptions = exceptions
+
+    def __enter__(self): pass
+
+    def __exit__(self, exctype, excinst, exctb):
+        return exctype is not None and not issubclass(exctype, self._exceptions)

RNS/Utilities/rnsh/helpers.py

@@ -0,0 +1,59 @@
+#         Based on the original rnsh program by Aaron Heise (@acehoss)
+# https://github.com/acehoss/rnsh - MIT License - Copyright (c) 2023 Aaron Heise
+#     This version of rnsh is included in RNS under the Reticulum License
+#
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import asyncio
+import time
+
+def bitwise_or_if(value: int, condition: bool, orval: int):
+    if not condition: return value
+    return value | orval
+
+def check_and(value: int, andval: int) -> bool:
+    return (value & andval) > 0
+
+class SleepRate:
+    def __init__(self, target_period: float):
+        self.target_period = target_period
+        self.last_wake = time.time()
+
+    def next_sleep_time(self) -> float:
+        old_last_wake = self.last_wake
+        self.last_wake = time.time()
+        next_wake = max(old_last_wake + 0.01, self.last_wake)
+        sleep_for = next_wake - self.last_wake
+        return sleep_for if sleep_for > 0 else 0
+
+    async def sleep_async(self): await asyncio.sleep(self.next_sleep_time())
+
+    def sleep_block(self): time.sleep(self.next_sleep_time())

RNS/Utilities/rnsh/initiator.py

@@ -0,0 +1,486 @@
+#         Based on the original rnsh program by Aaron Heise (@acehoss)
+# https://github.com/acehoss/rnsh - MIT License - Copyright (c) 2023 Aaron Heise
+#     This version of rnsh is included in RNS under the Reticulum License
+#
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+from __future__ import annotations
+
+import asyncio
+import base64
+import enum
+import functools
+import os
+import queue
+import shlex
+import signal
+import sys
+import termios
+import threading
+import time
+import tty
+from typing import Callable, TypeVar
+import RNS
+import RNS.Utilities.rnsh.exception as exception
+import RNS.Utilities.rnsh.process as process
+import RNS.Utilities.rnsh.retry as retry
+import RNS.Utilities.rnsh.session as session
+import re
+import contextlib
+
+import pwd
+import bz2
+import RNS.Utilities.rnsh.protocol as protocol
+import RNS.Utilities.rnsh.helpers as helpers
+import RNS.Utilities.rnsh.rnsh as rnsh
+
+_identity = None
+_reticulum = None
+_cmd: [str] | None = None
+DATA_AVAIL_MSG = "data available"
+_finished: asyncio.Event = None
+_retry_timer: retry.RetryThread | None = None
+_destination: RNS.Destination | None = None
+_loop: asyncio.AbstractEventLoop | None = None
+
+
+async def _check_finished(timeout: float = 0):
+    return _finished is not None and await process.event_wait(_finished, timeout=timeout)
+
+def _sigint_handler(sig, loop):
+    global _finished
+    RNS.log(f"{signal.Signals(sig).name}", RNS.LOG_DEBUG)
+    if _finished is not None: _finished.set()
+    else: raise KeyboardInterrupt()
+
+async def _spin_tty(until=None, msg=None, timeout=None):
+    i = 0
+    syms = "⢄⢂⢁⡁⡈⡐⡠"
+    if timeout != None: timeout = time.time()+timeout
+
+    print(msg+"  ", end=" ")
+    while (timeout == None or time.time()<timeout) and not until():
+        await asyncio.sleep(0.1)
+        print(("\b\b"+syms[i]+" "), end="")
+        sys.stdout.flush()
+        i = (i+1)%len(syms)
+
+    print("\r"+" "*len(msg)+"  \r", end="")
+
+    if timeout != None and time.time() > timeout: return False
+    else:                                         return True
+
+
+async def _spin_pipe(until: callable = None, msg=None, timeout: float | None = None) -> bool:
+    if timeout is not None: timeout += time.time()
+
+    while (timeout is None or time.time() < timeout) and not until():
+        if await _check_finished(0.1): raise asyncio.CancelledError()
+    
+    if timeout is not None and time.time() > timeout: return False
+    else: return True
+
+async def _spin(until: callable = None, msg=None, timeout: float | None = None, quiet: bool = False) -> bool:
+    if not quiet and os.isatty(1): return await _spin_tty(until, msg, timeout)
+    else:                          return await _spin_pipe(until, msg, timeout)
+
+_link: RNS.Link | None = None
+_remote_exec_grace = 2.0
+_pq = queue.Queue()
+
+
+class InitiatorState(enum.IntEnum):
+    IS_INITIAL      = 0
+    IS_LINKED     = 1
+    IS_WAIT_VERS  = 2
+    IS_RUNNING    = 3
+    IS_TERMINATE  = 4
+    IS_TEARDOWN   = 5
+
+def _client_link_closed(link):
+    if _finished: _finished.set()
+
+def _client_message_handler(message: RNS.MessageBase): _pq.put(message)
+
+def compute_target_rns_loglevel(verbosity: int, quietness: int, base_level: int = RNS.LOG_INFO) -> int:
+    try:
+        target = int(base_level) + int(verbosity) - int(quietness)
+        if target < RNS.LOG_CRITICAL: target = RNS.LOG_CRITICAL
+        if target > RNS.LOG_DEBUG:    target = RNS.LOG_DEBUG
+        return target
+    
+    except Exception: return base_level
+
+
+class RemoteExecutionError(Exception):
+    def __init__(self, msg): self.msg = msg
+
+
+async def _initiate_link(configdir, rnsconfigdir, identitypath=None, verbosity=0, quietness=0, noid=False, destination=None,
+                         timeout=RNS.Transport.PATH_REQUEST_TIMEOUT):
+    global _identity, _reticulum, _link, _destination, _remote_exec_grace
+
+    dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH // 8) * 2
+    if len(destination) != dest_len:
+        raise RemoteExecutionError(
+            "Allowed destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(
+                hex=dest_len, byte=dest_len // 2))
+    try:
+        destination_hash = bytes.fromhex(destination)
+    except Exception as e:
+        raise RemoteExecutionError("Invalid destination entered. Check your input.")
+
+    if _reticulum is None:
+        targetloglevel = compute_target_rns_loglevel(verbosity, quietness, RNS.LOG_ERROR)
+        RNS.logfile = os.path.join(configdir, "logfile")
+        _reticulum = RNS.Reticulum(configdir=rnsconfigdir, loglevel=targetloglevel, logdest=RNS.LOG_FILE)
+
+    if _identity is None:
+        _identity = rnsh.prepare_identity(identitypath)
+
+    if not RNS.Transport.has_path(destination_hash):
+        RNS.Transport.request_path(destination_hash)
+        RNS.log(f"Requesting path...", RNS.LOG_INFO)
+        if not await _spin(until=lambda: RNS.Transport.has_path(destination_hash), msg="Requesting path...",
+                           timeout=timeout, quiet=quietness > 0):
+            raise RemoteExecutionError("Path not found")
+
+    if _destination is None:
+        listener_identity = RNS.Identity.recall(destination_hash)
+        _destination = RNS.Destination(
+            listener_identity,
+            RNS.Destination.OUT,
+            RNS.Destination.SINGLE,
+            rnsh.APP_NAME
+        )
+
+    if _link is None or _link.status == RNS.Link.PENDING:
+        RNS.log("No link", RNS.LOG_DEBUG)
+        _link = RNS.Link(_destination)
+        _link.did_identify = False
+
+        _link.set_link_closed_callback(_client_link_closed)
+
+    RNS.log(f"Establishing link...", RNS.LOG_VERBOSE)
+    if not await _spin(until=lambda: _link.status == RNS.Link.ACTIVE, msg="Establishing link...",
+                       timeout=timeout, quiet=quietness > 0):
+        raise RemoteExecutionError("Could not establish link with " + RNS.prettyhexrep(destination_hash))
+
+    RNS.log("Have link", RNS.LOG_DEBUG)
+    if not noid and not _link.did_identify:
+        # Delay a tiny bit to allow listener to fully enter WAIT_IDENT state
+        await asyncio.sleep(min(1, _link.rtt * 1.1 + 0.05))
+        _link.identify(_identity)
+        _link.did_identify = True
+
+
+async def _handle_error(errmsg: RNS.MessageBase):
+    if isinstance(errmsg, protocol.ErrorMessage):
+        with contextlib.suppress(Exception):
+            if _link and _link.status == RNS.Link.ACTIVE:
+                _link.teardown()
+        await asyncio.sleep(0.1)
+        raise RemoteExecutionError(f"Remote error: {errmsg.msg}")
+
+
+async def initiate(configdir: str, rnsconfigdir:str, identitypath: str, verbosity: int, quietness: int, noid: bool, destination: str,
+                   timeout: float, command: [str] | None = None):
+    global _finished, _link
+    if timeout is None:
+        timeout = RNS.Transport.PATH_REQUEST_TIMEOUT
+    with process.TTYRestorer(sys.stdin.fileno()) as ttyRestorer:
+        loop = asyncio.get_running_loop()
+        state = InitiatorState.IS_INITIAL
+        data_buffer = bytearray(sys.stdin.buffer.read()) if not os.isatty(sys.stdin.fileno()) else bytearray()
+        line_buffer = bytearray()
+
+        await _initiate_link(configdir=configdir,
+                             rnsconfigdir=rnsconfigdir,
+                             identitypath=identitypath,
+                             verbosity=verbosity,
+                             quietness=quietness,
+                             noid=noid,
+                             destination=destination,
+                             timeout=timeout)
+
+        if not _link or _link.status not in [RNS.Link.ACTIVE, RNS.Link.PENDING]:
+            return 255
+
+        state = InitiatorState.IS_LINKED
+        outlet = session.RNSOutlet(_link)
+        channel = _link.get_channel()
+        protocol.register_message_types(channel)
+        channel.add_message_handler(_client_message_handler)
+
+        # Next step after linking and identifying: send version
+        # if not await _spin(lambda: messenger.is_outlet_ready(outlet), timeout=5, quiet=quietness > 0):
+        #     print("Error bringing up link")
+        #     return 253
+
+        channel.send(protocol.VersionInfoMessage())
+        try:
+            vm = _pq.get(timeout=max(outlet.rtt * 20, 5))
+            await _handle_error(vm)
+            if not isinstance(vm, protocol.VersionInfoMessage):
+                raise Exception("Invalid message received")
+            RNS.log(f"Server version info: sw {vm.sw_version} prot {vm.protocol_version}", RNS.LOG_DEBUG)
+            state = InitiatorState.IS_RUNNING
+        except queue.Empty:
+            print("Protocol error")
+            return 254
+
+        winch = False
+        def sigwinch_handler():
+            nonlocal winch
+            winch = True
+
+        esc = False
+        pre_esc = True
+        line_mode = False
+        line_flush = False
+        blind_write_count = 0
+        flush_chars = ["\x01", "\x03", "\x04", "\x05", "\x0c", "\x11", "\x13", "\x15", "\x19", "\t", "\x1A", "\x1B"]
+        def handle_escape(b):
+            nonlocal line_mode
+            if b == "?":
+                os.write(1, "\n\r\n\rSupported rnsh escape sequences:".encode("utf-8"))
+                os.write(1, "\n\r  ~~  Send the escape character by typing it twice".encode("utf-8"))
+                os.write(1, "\n\r  ~.  Terminate session and exit immediately".encode("utf-8"))
+                os.write(1, "\n\r  ~L  Toggle line-interactive mode".encode("utf-8"))
+                os.write(1, "\n\r  ~?  Display this quick reference\n\r".encode("utf-8"))
+                os.write(1, "\n\r(Escape sequences are only recognized immediately after newline)\n\r".encode("utf-8"))
+                return None
+            elif b == ".":
+                _link.teardown()
+                return None
+            elif b == "L":
+                line_mode = not line_mode
+                if line_mode:
+                    os.write(1, "\n\rLine-interactive mode enabled\n\r".encode("utf-8"))
+                else:
+                    os.write(1, "\n\rLine-interactive mode disabled\n\r".encode("utf-8"))
+                return None
+
+            return b
+
+        stdin_eof = False
+        def stdin():
+            nonlocal stdin_eof, pre_esc, esc, line_mode
+            nonlocal line_flush, blind_write_count
+            try:
+                in_data = process.tty_read(sys.stdin.fileno())
+                if in_data is not None:
+                    data = bytearray()
+                    for b in bytes(in_data):
+                        c = chr(b)
+                        if c == "\r":
+                            pre_esc = True
+                            line_flush = True
+                            data.append(b)
+                        elif line_mode and c in flush_chars:
+                            pre_esc = False
+                            line_flush = True
+                            data.append(b)
+                        elif line_mode and (c == "\b" or c == "\x7f"):
+                            pre_esc = False
+                            if len(line_buffer)>0:
+                                line_buffer.pop(-1)
+                                blind_write_count -= 1
+                                os.write(1, "\b \b".encode("utf-8"))
+                        elif pre_esc == True and c == "~":
+                            pre_esc = False
+                            esc = True
+                        elif esc == True:
+                            ret = handle_escape(c)
+                            if ret != None:
+                                if ret != "~":
+                                    data.append(ord("~"))
+                                data.append(ord(ret))
+                            esc = False
+                        else:
+                            pre_esc = False
+                            data.append(b)
+
+                    if not line_mode:
+                        data_buffer.extend(data)
+                    else:
+                        line_buffer.extend(data)
+                        if line_flush:
+                            data_buffer.extend(line_buffer)
+                            line_buffer.clear()
+                            os.write(1, ("\b \b"*blind_write_count).encode("utf-8"))
+                            line_flush = False
+                            blind_write_count = 0
+                        else:
+                            os.write(1, data)
+                            blind_write_count += len(data)
+
+            except EOFError:
+                if os.isatty(0):
+                    data_buffer.extend(process.CTRL_D)
+                stdin_eof = True
+                process.tty_unset_reader_callbacks(sys.stdin.fileno())
+
+        process.tty_add_reader_callback(sys.stdin.fileno(), stdin)
+
+        tcattr = None
+        rows, cols, hpix, vpix = (None, None, None, None)
+        try:
+            tcattr = termios.tcgetattr(0)
+            rows, cols, hpix, vpix = process.tty_get_winsize(0)
+        except:
+            try:
+                tcattr = termios.tcgetattr(1)
+                rows, cols, hpix, vpix = process.tty_get_winsize(1)
+            except:
+                try:
+                    tcattr = termios.tcgetattr(2)
+                    rows, cols, hpix, vpix = process.tty_get_winsize(2)
+                except:
+                    pass
+
+        await _spin(lambda: channel.is_ready_to_send(), "Waiting for channel...", 1, quietness > 0)
+        channel.send(protocol.ExecuteCommandMesssage(cmdline=command,
+                                                     pipe_stdin=not os.isatty(0),
+                                                     pipe_stdout=not os.isatty(1),
+                                                     pipe_stderr=not os.isatty(2),
+                                                     tcflags=tcattr,
+                                                     term=os.environ.get("TERM", None),
+                                                     rows=rows,
+                                                     cols=cols,
+                                                     hpix=hpix,
+                                                     vpix=vpix))
+
+        loop.add_signal_handler(signal.SIGWINCH, sigwinch_handler)
+        _finished = asyncio.Event()
+        loop.add_signal_handler(signal.SIGINT, functools.partial(_sigint_handler, signal.SIGINT, loop))
+        loop.add_signal_handler(signal.SIGTERM, functools.partial(_sigint_handler, signal.SIGTERM, loop))
+        mdu = _link.MDU - 16
+        sent_eof = False
+        last_winch = time.time()
+        sleeper = helpers.SleepRate(0.01)
+        processed = False
+        while not await _check_finished() and state in [InitiatorState.IS_RUNNING]:
+            try:
+                try:
+                    message = _pq.get(timeout=sleeper.next_sleep_time() if not processed else 0.0005)
+                    await _handle_error(message)
+                    processed = True
+                    if isinstance(message, protocol.StreamDataMessage):
+                        if message.stream_id == protocol.StreamDataMessage.STREAM_ID_STDOUT:
+                            if message.data and len(message.data) > 0:
+                                ttyRestorer.raw()
+                                RNS.log(f"stdout: {message.data}", RNS.LOG_DEBUG)
+                                os.write(1, message.data)
+                                sys.stdout.flush()
+                            if message.eof:
+                                os.close(1)
+                        if message.stream_id == protocol.StreamDataMessage.STREAM_ID_STDERR:
+                            if message.data and len(message.data) > 0:
+                                ttyRestorer.raw()
+                                RNS.log(f"stdout: {message.data}", RNS.LOG_DEBUG)
+                                os.write(2, message.data)
+                                sys.stderr.flush()
+                            if message.eof:
+                                os.close(2)
+                    elif isinstance(message, protocol.CommandExitedMessage):
+                        RNS.log(f"received return code {message.return_code}, exiting", RNS.LOG_DEBUG)
+                        return message.return_code
+                    elif isinstance(message, protocol.ErrorMessage):
+                        RNS.log(f"Remote error: {message.data}", RNS.LOG_ERROR)
+                        if message.fatal:
+                            _link.teardown()
+                            return 200
+
+                except queue.Empty:
+                    processed = False
+
+                if channel.is_ready_to_send():
+                    def compress_adaptive(buf: bytes):
+                        comp_tries = RNS.RawChannelWriter.COMPRESSION_TRIES
+                        comp_try = 1
+                        comp_success = False
+                        
+                        chunk_len = len(buf)
+                        if chunk_len > RNS.RawChannelWriter.MAX_CHUNK_LEN:
+                            chunk_len = RNS.RawChannelWriter.MAX_CHUNK_LEN
+                        chunk_segment = None
+
+                        chunk_segment = None
+                        max_data_len = channel.mdu - protocol.StreamDataMessage.OVERHEAD
+                        while chunk_len > 32 and comp_try < comp_tries:
+                            chunk_segment_length = int(chunk_len/comp_try)
+                            compressed_chunk = bz2.compress(buf[:chunk_segment_length])
+                            compressed_length = len(compressed_chunk)
+                            if compressed_length < max_data_len and compressed_length < chunk_segment_length:
+                                comp_success = True
+                                break
+                            else:
+                                comp_try += 1
+
+                        if comp_success:
+                            diff = max_data_len - len(compressed_chunk)
+                            chunk = compressed_chunk
+                            processed_length = chunk_segment_length
+                        else:
+                            chunk = bytes(buf[:max_data_len])
+                            processed_length = len(chunk)
+
+                        return comp_success, processed_length, chunk
+
+                    comp_success, processed_length, chunk = compress_adaptive(data_buffer)
+                    stdin = chunk
+                    data_buffer = data_buffer[processed_length:]
+                    eof = not sent_eof and stdin_eof and len(stdin) == 0
+                    if len(stdin) > 0 or eof:
+                        channel.send(protocol.StreamDataMessage(protocol.StreamDataMessage.STREAM_ID_STDIN, stdin, eof, comp_success))
+                        sent_eof = eof
+                        processed = True
+
+                # send window change, but rate limited
+                if winch and time.time() - last_winch > _link.rtt * 25:
+                    last_winch = time.time()
+                    winch = False
+                    with contextlib.suppress(Exception):
+                        r, c, h, v = process.tty_get_winsize(0)
+                        channel.send(protocol.WindowSizeMessage(r, c, h, v))
+                        processed = True
+            except RemoteExecutionError as e:
+                print(e.msg)
+                return 255
+            except Exception as ex:
+                print(f"Client exception: {ex}")
+                if _link and _link.status != RNS.Link.CLOSED:
+                    _link.teardown()
+                    return 127
+
+        RNS.log("Main loop done", RNS.LOG_DEBUG)
+        return 0

RNS/Utilities/rnsh/listener.py

@@ -0,0 +1,229 @@
+#         Based on the original rnsh program by Aaron Heise (@acehoss)
+# https://github.com/acehoss/rnsh - MIT License - Copyright (c) 2023 Aaron Heise
+#     This version of rnsh is included in RNS under the Reticulum License
+#
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+from __future__ import annotations
+
+import asyncio
+import os
+import queue
+import shlex
+import signal
+import sys
+import termios
+import threading
+import time
+import tty
+from typing import Callable, TypeVar
+import RNS
+import RNS.Utilities.rnsh.exception as exception
+import RNS.Utilities.rnsh.process as process
+import RNS.Utilities.rnsh.retry as retry
+import RNS.Utilities.rnsh.session as session
+import re
+import contextlib
+
+import pwd
+import RNS.Utilities.rnsh.protocol as protocol
+import RNS.Utilities.rnsh.helpers as helpers
+import RNS.Utilities.rnsh.rnsh as rnsh
+
+
+_identity = None
+_reticulum = None
+_allow_all = False
+_allowed_file = None
+_allowed_identity_hashes = []
+_allowed_file_identity_hashes = []
+_cmd: [str] | None = None
+DATA_AVAIL_MSG = "data available"
+_finished: asyncio.Event = None
+_retry_timer: retry.RetryThread | None = None
+_destination: RNS.Destination | None = None
+_loop: asyncio.AbstractEventLoop | None = None
+_no_remote_command = True
+_remote_cmd_as_args = False
+
+
+async def _check_finished(timeout: float = 0):
+    return await process.event_wait(_finished, timeout=timeout)
+
+
+def _sigint_handler(sig, loop):
+    global _finished
+    RNS.log(f"Signal: {signal.Signals(sig).name}", RNS.LOG_DEBUG)
+    if _finished is not None: _finished.set()
+    else: raise KeyboardInterrupt()
+
+def _reload_allowed_file():
+    global _allowed_file, _allowed_file_identity_hashes
+    if _allowed_file != None:
+        try:
+            with open(_allowed_file, "r") as file:
+                dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH // 8) * 2
+                added = 0
+                line = 0
+                _allowed_file_identity_hashes = []
+                for allow in file.read().replace("\r", "").split("\n"):
+                    line += 1
+                    if len(allow) == dest_len:
+                        try:
+                            destination_hash = bytes.fromhex(allow)
+                            _allowed_file_identity_hashes.append(destination_hash)
+                            added += 1
+                        except Exception:
+                            RNS.log(f"Discarded invalid Identity hash in {_allowed_file} at line {line}", RNS.LOG_DEBUG)
+
+                ms = "y" if added == 1 else "ies"
+                RNS.log(f"Loaded {added} allowed identit{ms} from "+str(_allowed_file), RNS.LOG_DEBUG)
+        
+        except Exception as e: RNS.log(f"Error while reloading allowed indetities file: {e}", RNS.LOG_ERROR)
+
+def compute_target_rns_loglevel(verbosity: int, quietness: int, base_level: int = RNS.LOG_INFO) -> int:
+    try:
+        target = int(base_level) + int(verbosity) - int(quietness)
+        if target < RNS.LOG_CRITICAL: target = RNS.LOG_CRITICAL
+        if target > RNS.LOG_DEBUG:    target = RNS.LOG_DEBUG
+        return target
+    
+    except Exception: return base_level
+
+async def listen(configdir, rnsconfigdir, command, identitypath=None, service_name=None, verbosity=0, quietness=0, allowed=None,
+                 allowed_file=None, disable_auth=None, announce_period=900, no_remote_command=True, remote_cmd_as_args=False,
+                 loop: asyncio.AbstractEventLoop = None):
+    global _identity, _allow_all, _allowed_identity_hashes, _allowed_file, _allowed_file_identity_hashes
+    global _reticulum, _cmd, _destination, _no_remote_command, _remote_cmd_as_args, _finished
+
+    if not loop: loop = asyncio.get_running_loop()
+    if service_name is None or len(service_name) == 0:
+        service_name = "default"
+
+    RNS.log(f"Using service name {service_name}", RNS.LOG_INFO)
+
+    # More -v should increase verbosity (higher RNS.loglevel); -q should decrease it
+    targetloglevel = compute_target_rns_loglevel(verbosity, quietness, RNS.LOG_INFO)
+    _reticulum = RNS.Reticulum(configdir=rnsconfigdir, loglevel=targetloglevel)
+    _identity = rnsh.prepare_identity(identitypath, service_name)
+    _destination = RNS.Destination(_identity, RNS.Destination.IN, RNS.Destination.SINGLE, rnsh.APP_NAME)
+    
+    RNS.log(f"rnsh listening for commands on {RNS.prettyhexrep(_destination.hash)}", RNS.LOG_NOTICE)
+    
+    _cmd = command
+    if _cmd is None or len(_cmd) == 0:
+        shell = None
+        try: shell = pwd.getpwuid(os.getuid()).pw_shell
+        except Exception as e: RNS.log(f"Error looking up shell: {e}", RNS.LOG_ERROR)
+        RNS.log(f"Using {shell} for default command.", RNS.LOG_INFO)
+
+        # Ensure a sane shell default. Fall back to /bin/sh if lookup fails.
+        if not shell or len(shell) == 0: shell = "/bin/sh"
+        _cmd = [shell]
+    
+    else: RNS.log(f"Using command {shlex.join(_cmd)}", RNS.LOG_INFO)
+
+    _no_remote_command = no_remote_command
+    session.ListenerSession.allow_remote_command = not no_remote_command
+    _remote_cmd_as_args = remote_cmd_as_args
+    if (_cmd is None or len(_cmd) == 0 or _cmd[0] is None or len(_cmd[0]) == 0) \
+            and (_no_remote_command or _remote_cmd_as_args):
+        raise Exception(f"Unable to look up shell for {os.getlogin}, cannot proceed with -A or -C and no <program>.")
+
+    session.ListenerSession.default_command = _cmd
+    session.ListenerSession.remote_cmd_as_args = _remote_cmd_as_args
+
+    if disable_auth:
+        _allow_all = True
+        session.ListenerSession.allow_all = True
+    else:
+        if allowed_file is not None:
+            _allowed_file = allowed_file
+            _reload_allowed_file()
+
+        if allowed is not None:
+            for a in allowed:
+                try:
+                    dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH // 8) * 2
+                    if len(a) != dest_len:
+                        raise ValueError(
+                            "Allowed destination length is invalid, must be {hex} hexadecimal " +
+                            "characters ({byte} bytes).".format(
+                                hex=dest_len, byte=dest_len // 2))
+                    try:
+                        destination_hash = bytes.fromhex(a)
+                        _allowed_identity_hashes.append(destination_hash)
+                        session.ListenerSession.allowed_identity_hashes.append(destination_hash)
+                    except Exception:
+                        raise ValueError("Invalid destination entered. Check your input.")
+                
+                except Exception as e:
+                    RNS.log(f"Unhandled error: {e}", RNS.LOG_ERROR)
+                    RNS.trace_exception(e)
+                    exit(1)
+
+    if (len(_allowed_identity_hashes) < 1 and len(_allowed_file_identity_hashes) < 1) and not disable_auth:
+        RNS.log("Warning: No allowed identities configured, rnsh will not accept any connections!", RNS.LOG_WARNING)
+
+    def link_established(lnk: RNS.Link):
+        _reload_allowed_file()
+        session.ListenerSession.allowed_file_identity_hashes = _allowed_file_identity_hashes
+        session.ListenerSession(session.RNSOutlet.get_outlet(lnk), lnk.get_channel(), loop)
+    _destination.set_link_established_callback(link_established)
+
+    _finished = asyncio.Event()
+    signal.signal(signal.SIGINT, _sigint_handler)
+
+    if announce_period is not None: _destination.announce()
+
+    last_announce = time.time()
+    sleeper = helpers.SleepRate(0.01)
+
+    try:
+        while not await _check_finished():
+            if announce_period and 0 < announce_period < time.time() - last_announce:
+                last_announce = time.time()
+                _destination.announce()
+            if len(session.ListenerSession.sessions) > 0:
+                # no sleep if there's work to do
+                if not await session.ListenerSession.pump_all():
+                    await sleeper.sleep_async()
+            else:
+                await asyncio.sleep(0.25)
+    finally:
+        RNS.log("Shutting down", RNS.LOG_NOTICE)
+        await session.ListenerSession.terminate_all("Shutting down")
+        await asyncio.sleep(1)
+        links_still_active = list(filter(lambda l: l.status != RNS.Link.CLOSED, _destination.links))
+        for link in links_still_active:
+            if link.status not in [RNS.Link.CLOSED]:
+                link.teardown()
+                await asyncio.sleep(0.01)

RNS/Utilities/rnsh/loop.py

@@ -0,0 +1,46 @@
+#         Based on the original rnsh program by Aaron Heise (@acehoss)
+# https://github.com/acehoss/rnsh - MIT License - Copyright (c) 2023 Aaron Heise
+#     This version of rnsh is included in RNS under the Reticulum License
+#
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import asyncio
+import functools
+from typing import Callable
+
+def sig_handler_sys_to_loop(handler: Callable[[int, any], None]) -> Callable[[int, asyncio.AbstractEventLoop], None]:
+    def wrapped(cb: Callable[[int, any], None], signal: int, loop: asyncio.AbstractEventLoop): cb(signal, None)
+    return functools.partial(wrapped, handler)
+
+def loop_set_signal(sig, handler: Callable[[int, asyncio.AbstractEventLoop], None], loop: asyncio.AbstractEventLoop = None):
+    if loop is None: loop = asyncio.get_running_loop()
+    loop.remove_signal_handler(sig)
+    loop.add_signal_handler(sig, functools.partial(handler, sig, loop))

RNS/Utilities/rnsh/process.py

@@ -0,0 +1,785 @@
+#         Based on the original rnsh program by Aaron Heise (@acehoss)
+# https://github.com/acehoss/rnsh - MIT License - Copyright (c) 2023 Aaron Heise
+#     This version of rnsh is included in RNS under the Reticulum License
+#
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+from __future__ import annotations
+import asyncio
+import contextlib
+import copy
+import errno
+import fcntl
+import functools
+import os
+import pty
+import select
+import signal
+import struct
+import sys
+import termios
+import threading
+import tty
+import types
+import typing
+import RNS
+
+import RNS.Utilities.rnsh.exception as exception
+
+CTRL_C = "\x03".encode("utf-8")
+CTRL_D = "\x04".encode("utf-8")
+
+def tty_add_reader_callback(fd: int, callback: callable, loop: asyncio.AbstractEventLoop = None):
+    """
+    Add an async reader callback for a tty file descriptor.
+
+    Example usage:
+
+        def reader():
+            data = tty_read(fd)
+            # do something with data
+
+        tty_add_reader_callback(self._child_fd, reader, self._loop)
+
+    :param fd: file descriptor
+    :param callback: callback function
+    :param loop: asyncio event loop to which the reader should be added. If None, use the currently-running loop.
+    """
+    if loop is None:
+        loop = asyncio.get_running_loop()
+    loop.add_reader(fd, callback)
+
+
+def tty_read(fd: int) -> bytes:
+    """
+    Read available bytes from a tty file descriptor. When used in a callback added to a file descriptor using
+    tty_add_reader_callback(...), this function creates a solution for non-blocking reads from ttys.
+    :param fd: tty file descriptor
+    :return: bytes read
+    """
+    if fd_is_closed(fd):
+        raise EOFError
+
+    try:
+        run = True
+        result = bytearray()
+        while not fd_is_closed(fd):
+            ready, _, _ = select.select([fd], [], [], 0)
+            if len(ready) == 0:
+                break
+            for f in ready:
+                try:
+                    data = os.read(f, 4096)
+                except OSError as e:
+                    if e.errno != errno.EIO and e.errno != errno.EWOULDBLOCK:
+                        raise
+                else:
+                    if not data:  # EOF
+                        if data is not None and len(data) > 0:
+                            result.extend(data)
+                            return result
+                        elif len(result) > 0:
+                            return result
+                        else:
+                            raise EOFError
+                    if data is not None and len(data) > 0:
+                        result.extend(data)
+        return result
+    
+    except EOFError: raise
+    except Exception as e: RNS.log(f"TTY read error: {e}", RNS.LOG_ERROR)
+
+
+def tty_read_poll(fd: int) -> bytes:
+    """
+    Read available bytes from a tty file descriptor. When used in a callback added to a file descriptor using
+    tty_add_reader_callback(...), this function creates a solution for non-blocking reads from ttys.
+    :param fd: tty file descriptor
+    :return: bytes read
+    """
+    if fd_is_closed(fd):
+        raise EOFError
+
+    result = bytearray()
+    try:
+        flags = fcntl.fcntl(fd, fcntl.F_GETFL)
+        fcntl.fcntl(fd, fcntl.F_SETFL, flags | os.O_NONBLOCK)
+        while True:
+            try:
+                data = os.read(fd, 4096)
+                if not data:
+                    # EOF
+                    if len(result) > 0:
+                        return result
+                    raise EOFError
+                result.extend(data)
+                # continue loop to drain
+            except OSError as e:
+                if e.errno in (errno.EWOULDBLOCK, errno.EAGAIN):
+                    break
+                if e.errno == errno.EIO:
+                    if len(result) > 0:
+                        return result
+                    raise EOFError
+                raise
+    except EOFError: raise
+    except Exception as e: RNS.log(f"TTY read error: {e}", RNS.LOG_ERROR)
+    
+    return result
+
+
+def fd_is_closed(fd: int) -> bool:
+    """
+    Check if file descriptor is closed
+    :param fd: file descriptor
+    :return: True if file descriptor is closed
+    """
+    try:
+        fcntl.fcntl(fd, fcntl.F_GETFL) < 0
+    except OSError as ose:
+        return ose.errno == errno.EBADF
+
+
+def tty_unset_reader_callbacks(fd: int, loop: asyncio.AbstractEventLoop = None):
+    """
+    Remove async reader callbacks for file descriptor.
+    :param fd: file descriptor
+    :param loop: asyncio event loop from which to remove callbacks
+    """
+    with exception.permit(SystemExit):
+        if loop is None:
+            loop = asyncio.get_running_loop()
+        loop.remove_reader(fd)
+
+
+def tty_get_winsize(fd: int) -> [int, int, int, int]:
+    """
+    Ge the window size of a tty.
+    :param fd: file descriptor of tty
+    :return: (rows, cols, h_pixels, v_pixels)
+    """
+    packed = fcntl.ioctl(fd, termios.TIOCGWINSZ, struct.pack('HHHH', 0, 0, 0, 0))
+    rows, cols, h_pixels, v_pixels = struct.unpack('HHHH', packed)
+    return rows, cols, h_pixels, v_pixels
+
+
+def tty_set_winsize(fd: int, rows: int, cols: int, h_pixels: int, v_pixels: int):
+    """
+    Set the window size on a tty.
+    :param fd: file descriptor of tty
+    :param rows: number of visible rows
+    :param cols: number of visible columns
+    :param h_pixels: number of visible horizontal pixels
+    :param v_pixels: number of visible vertical pixels
+    """
+    if fd < 0:
+        return
+    packed = struct.pack('HHHH', rows, cols, h_pixels, v_pixels)
+    fcntl.ioctl(fd, termios.TIOCSWINSZ, packed)
+
+
+def process_exists(pid) -> bool:
+    """
+    Check For the existence of a unix pid.
+    :param pid: process id to check
+    :return: True if process exists
+    """
+    try:
+        os.kill(pid, 0)
+    except OSError:
+        return False
+    else:
+        return True
+
+
+class TTYRestorer(contextlib.AbstractContextManager):
+    # Indexes of flags within the attrs array
+    ATTR_IDX_IFLAG = 0
+    ATTR_IDX_OFLAG = 1
+    ATTR_IDX_CFLAG = 2
+    ATTR_IDX_LFLAG = 4
+    ATTR_IDX_CC    = 5
+
+    def __init__(self, fd: int, suppress_logs=False):
+        """
+        Saves termios attributes for a tty for later restoration.
+
+        The attributes are an array of values with the following meanings.
+
+            tcflag_t c_iflag;      /* input modes */
+            tcflag_t c_oflag;      /* output modes */
+            tcflag_t c_cflag;      /* control modes */
+            tcflag_t c_lflag;      /* local modes */
+            cc_t     c_cc[NCCS];   /* special characters */
+
+        :param fd: file descriptor of tty
+        """
+        self._fd = fd
+        self._tattr = None
+        self._suppress_logs = suppress_logs
+        self._tattr = self.current_attr()
+        if not self._tattr and not self._suppress_logs: RNS.log(f"Could not get attrs for fd {fd}", RNS.LOG_DEBUG)
+
+    def raw(self):
+        """
+        Set raw mode on tty
+        """
+        if self._fd is None:
+            return
+        with contextlib.suppress(termios.error):
+            tty.setraw(self._fd, termios.TCSANOW)
+
+    def original_attr(self) -> [any]:
+        return copy.deepcopy(self._tattr)
+
+    def current_attr(self) -> [any]:
+        """
+        Get the current termios attributes for the wrapped fd.
+        :return: attribute array
+        """
+        if self._fd is None:
+            return None
+
+        with contextlib.suppress(termios.error):
+            return copy.deepcopy(termios.tcgetattr(self._fd))
+        return None
+
+    def set_attr(self, attr: [any], when: int = termios.TCSADRAIN):
+        """
+        Set termios attributes
+        :param attr: attribute list to set
+        :param when: when attributes should be applied (termios.TCSANOW, termios.TCSADRAIN, termios.TCSAFLUSH)
+        """
+        if not attr or self._fd is None:
+            return
+
+        with contextlib.suppress(termios.error):
+            termios.tcsetattr(self._fd, when, attr)
+
+    def isatty(self):
+        return os.isatty(self._fd) if self._fd is not None else None
+
+    def restore(self):
+        """
+        Restore termios settings to state captured in constructor.
+        """
+        self.set_attr(self._tattr, termios.TCSADRAIN)
+
+    def __exit__(self, __exc_type: typing.Type[BaseException], __exc_value: BaseException,
+                 __traceback: types.TracebackType) -> bool:
+        self.restore()
+        return False  #__exc_type is not None and issubclass(__exc_type, termios.error)
+
+
+def _task_from_event(evt: asyncio.Event, loop: asyncio.AbstractEventLoop = None):
+    if not loop:
+        loop = asyncio.get_running_loop()
+
+    #TODO: this is hacky
+    async def wait():
+        while not evt.is_set():
+            await asyncio.sleep(0.1)
+        return True
+
+    return loop.create_task(wait())
+
+
+class AggregateException(Exception):
+    def __init__(self, inner_exceptions: [Exception]):
+        super().__init__()
+        self.inner_exceptions = inner_exceptions
+
+    def __str__(self):
+        return "Multiple exceptions encountered: \n\n" + "\n\n".join(map(lambda e: str(e), self.inner_exceptions))
+
+
+async def event_wait_any(evts: [asyncio.Event], timeout: float  = None) -> (any, any):
+    tasks = list(map(lambda evt: (evt, _task_from_event(evt)), evts))
+    try:
+        finished, unfinished = await asyncio.wait(map(lambda t: t[1], tasks),
+                                                  timeout=timeout,
+                                                  return_when=asyncio.FIRST_COMPLETED)
+
+        if len(unfinished) > 0:
+            for task in unfinished:
+                task.cancel()
+            await asyncio.wait(unfinished)
+
+        exceptions = []
+
+        for f in finished:
+            ex = f.exception()
+            if ex and not isinstance(ex, asyncio.CancelledError) and not isinstance(ex, TimeoutError):
+                exceptions.append(ex)
+
+        if len(exceptions) > 0:
+            raise AggregateException(exceptions)
+
+        return next(map(lambda t: next(map(lambda tt: tt[0], tasks)), finished), None)
+    finally:
+        unfinished = []
+        for task in map(lambda t: t[1], tasks):
+            if task.done():
+                if not task.cancelled():
+                    task.exception()
+            else:
+                task.cancel()
+                unfinished.append(task)
+        if len(unfinished) > 0:
+            await asyncio.wait(unfinished)
+
+
+async def event_wait(evt: asyncio.Event, timeout: float) -> bool:
+    """
+    Wait for event to be set, or timeout to expire.
+    :param evt: asyncio.Event to wait on
+    :param timeout: maximum number of seconds to wait.
+    :return: True if event was set, False if timeout expired
+    """
+    await event_wait_any([evt], timeout=timeout)
+    return evt.is_set()
+
+
+def _launch_child(cmd_line: list[str], env: dict[str, str], stdin_is_pipe: bool, stdout_is_pipe: bool,
+                  stderr_is_pipe: bool) -> tuple[int, int, int, int]:
+    # Set up PTY and/or pipes
+    child_fd = parent_fd = None
+    if not (stdin_is_pipe and stdout_is_pipe and stderr_is_pipe):
+        parent_fd, child_fd = pty.openpty()
+    child_stdin, parent_stdin = (os.pipe() if stdin_is_pipe else (child_fd, parent_fd))
+    parent_stdout, child_stdout = (os.pipe() if stdout_is_pipe else (parent_fd, child_fd))
+    parent_stderr, child_stderr = (os.pipe() if stderr_is_pipe else (parent_fd, child_fd))
+
+    # Fork
+    pid = os.fork()
+
+    if pid == 0:
+        try:
+            # We are in the child process, so close all open sockets and pipes except for the PTY and/or pipes
+            max_fd = os.sysconf("SC_OPEN_MAX")
+            for fd in range(3, max_fd):
+                if fd not in (child_stdin, child_stdout, child_stderr):
+                    try:
+                        os.close(fd)
+                    except OSError:
+                        pass
+
+            # Set up PTY and/or pipes
+            os.dup2(child_stdin, 0)
+            os.dup2(child_stdout, 1)
+            os.dup2(child_stderr, 2)
+            # Make PTY controlling if necessary so that CTRL_C/CTRL_D behave as expected
+            if child_fd is not None:
+                os.setsid()
+                try:
+                    tty_fd = 0 if not stdin_is_pipe else (1 if not stdout_is_pipe else 2)
+                    # Set controlling TTY for this session
+                    fcntl.ioctl(tty_fd, termios.TIOCSCTTY, 0)
+                except Exception:
+                    pass
+                # Ensure the child is the foreground process group for the TTY
+                try:
+                    os.setpgid(0, 0)
+                    pgid = os.getpgrp()
+                    import struct as _struct
+                    fcntl.ioctl(tty_fd, termios.TIOCSPGRP, _struct.pack('i', pgid))
+                except Exception:
+                    pass
+                # Ensure canonical input with signals and local echo enabled
+                try:
+                    tty_fd = 0 if not stdin_is_pipe else (1 if not stdout_is_pipe else 2)
+                    attrs = termios.tcgetattr(tty_fd)
+                    lflag = attrs[3]
+                    lflag |= termios.ICANON | termios.ISIG | termios.ECHO
+                    attrs[3] = lflag
+                    termios.tcsetattr(tty_fd, termios.TCSANOW, attrs)
+                except Exception:
+                    pass
+
+            # Execute the command
+            os.execvpe(cmd_line[0], cmd_line, env)
+        except Exception as err:
+            exc_type, exc_obj, exc_tb = sys.exc_info()
+            fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
+            print(f"Unable to start {cmd_line[0]}: {err} ({fname}:{exc_tb.tb_lineno})")
+            sys.stdout.flush()
+        # don't let any other modules get in our way, do an immediate silent exit.
+        os._exit(255)
+
+    else:
+        # We are in the parent process, so close the child-side of the PTY and/or pipes
+        if child_fd is not None:
+            os.close(child_fd)
+        if child_stdin != child_fd:
+            os.close(child_stdin)
+        if child_stdout != child_fd:
+            os.close(child_stdout)
+        if child_stderr != child_fd:
+            os.close(child_stderr)
+        # # Close the write end of the pipe if a pipe is used for standard input
+        # if not stdin_is_pipe:
+        #     os.close(parent_stdin)
+        # Return the child PID and the file descriptors for the PTY and/or pipes
+        return pid, parent_stdin, parent_stdout, parent_stderr
+
+
+class CallbackSubprocess:
+    # time between checks of child process
+    PROCESS_POLL_TIME: float = 0.1
+    # Close pipes soon after process exit to avoid scheduling on closed event loops
+    PROCESS_PIPE_TIME: int = 1
+
+    def __init__(self, argv: [str], env: dict, loop: asyncio.AbstractEventLoop, stdout_callback: callable,
+                 stderr_callback: callable, terminated_callback: callable, stdin_is_pipe: bool, stdout_is_pipe: bool,
+                 stderr_is_pipe: bool):
+        """
+        Fork a child process and generate callbacks with output from the process.
+        :param argv: the command line, tokenized. The first element must be the absolute path to an executable file.
+        :param env: environment variables to override
+        :param loop: the asyncio event loop to use
+        :param stdout_callback: callback for data, e.g. def callback(data:bytes) -> None
+        :param terminated_callback: callback for termination/return code, e.g. def callback(return_code:int) -> None
+        """
+        assert loop is not None, "loop should not be None"
+        assert stdout_callback is not None, "stdout_callback should not be None"
+        assert terminated_callback is not None, "terminated_callback should not be None"
+
+        self._command: [str] = argv
+        self._env = env or {}
+        self._loop = loop
+        self._stdout_cb = stdout_callback
+        self._stderr_cb = stderr_callback
+        self._terminated_cb = terminated_callback
+        self._pid: int = None
+        self._child_stdin: int = None
+        self._child_stdout: int = None
+        self._child_stderr: int = None
+        self._return_code: int = None
+        self._stdout_eof: bool = False
+        self._stderr_eof: bool = False
+        self._stdin_is_pipe = stdin_is_pipe
+        self._stdout_is_pipe = stdout_is_pipe
+        self._stderr_is_pipe = stderr_is_pipe
+        self._at_line_start: bool = True
+        self._tty_line_buffer: bytearray = bytearray()
+
+    def _ensure_pipes_closed(self):
+        stdin = self._child_stdin
+        stdout = self._child_stdout
+        stderr = self._child_stderr
+        fds = set(filter(lambda x: x is not None, list({stdin, stdout, stderr})))
+        RNS.log(f"Queuing close of pipes for ended process (fds: {fds})", RNS.LOG_DEBUG)
+
+        def ensure_pipes_closed_inner():
+            RNS.log(f"Ensuring pipes are closed (fds: {fds})", RNS.LOG_DEBUG)
+            for fd in fds:
+                RNS.log(f"Closing fd {fd}", RNS.LOG_DEBUG)
+                with contextlib.suppress(OSError): tty_unset_reader_callbacks(fd)
+                with contextlib.suppress(OSError): os.close(fd)
+
+            self._child_stdin = None
+            self._child_stdout = None
+            self._child_stderr = None
+
+        # Avoid scheduling on a closed loop
+        if self._loop.is_closed(): ensure_pipes_closed_inner()
+        else:                      self._loop.call_later(CallbackSubprocess.PROCESS_PIPE_TIME, ensure_pipes_closed_inner)
+
+    def terminate(self, kill_delay: float = 1.0):
+        """
+        Terminate child process if running
+        :param kill_delay: if after kill_delay seconds the child process has not exited, escalate to SIGHUP and SIGKILL
+        """
+
+        RNS.log("terminate()", RNS.LOG_EXTREME)
+        if not self.running: return
+
+        with exception.permit(SystemExit): os.kill(self._pid, signal.SIGTERM)
+
+        def kill():
+            if process_exists(self._pid):
+                RNS.log("kill()", RNS.LOG_EXTREME)
+                with exception.permit(SystemExit):
+                    os.kill(self._pid, signal.SIGHUP)
+                    os.kill(self._pid, signal.SIGKILL)
+
+        self._loop.call_later(kill_delay, kill)
+
+        def wait():
+            RNS.log("wait()", RNS.LOG_EXTREME)
+            with contextlib.suppress(OSError): os.waitpid(self._pid, 0)
+            self._ensure_pipes_closed()
+            RNS.log("wait() finish", RNS.LOG_EXTREME)
+
+        threading.Thread(target=wait, daemon=True).start()
+
+    def close_stdin(self):
+        with contextlib.suppress(Exception):
+            os.close(self._child_stdin)
+        # Encourage prompt shutdown if child lingers after stdin close
+        def _ensure_terminate():
+            if self.running:
+                self.terminate(kill_delay=0.2)
+        if not self._loop.is_closed():
+            self._loop.call_later(0.05, _ensure_terminate)
+
+    @property
+    def started(self) -> bool:
+        """
+        :return: True if child process has been started
+        """
+        return self._pid is not None
+
+    @property
+    def running(self) -> bool:
+        """
+        :return: True if child process is still running
+        """
+        return self._pid is not None and process_exists(self._pid)
+
+    def write(self, data: bytes):
+        """
+        Write bytes to the stdin of the child process.
+        :param data: bytes to write
+        """
+
+        os.write(self._child_stdin, data)
+
+        # TODO: Check what this is actually supposed to solve.
+        #
+        # For pipe-in + TTY-out, echo should be visible immediately
+        if self._stdin_is_pipe and not self._stdout_is_pipe and self._stdout_cb is not None and data not in (CTRL_C, CTRL_D):
+            try: self._stdout_cb(data)
+            except Exception: pass
+
+    def set_winsize(self, r: int, c: int, h: int, v: int):
+        """
+        Set the window size on the tty of the child process.
+        :param r: rows visible
+        :param c: columns visible
+        :param h: horizontal pixels visible
+        :param v: vertical pixels visible
+        :return:
+        """
+        RNS.log(f"set_winsize({r},{c},{h},{v}", RNS.LOG_DEBUG)
+        tty_set_winsize(self._child_stdout, r, c, h, v)
+
+    def copy_winsize(self, fromfd: int):
+        """
+        Copy window size from one tty to another.
+        :param fromfd: source tty file descriptor
+        """
+        r, c, h, v = tty_get_winsize(fromfd)
+        self.set_winsize(r, c, h, v)
+
+    def tcsetattr(self, when: int, attr: list[any]):  # actual type is list[int | list[int | bytes]]
+        """
+        Set tty attributes.
+        :param when: when to apply change: termios.TCSANOW or termios.TCSADRAIN or termios.TCSAFLUSH
+        :param attr: attributes to set
+        """
+        termios.tcsetattr(self._child_stdin, when, attr)
+
+    def tcgetattr(self) -> list[any]:  # actual type is list[int | list[int | bytes]]
+        """
+        Get tty attributes.
+        :return: tty attributes value
+        """
+        return termios.tcgetattr(self._child_stdout)
+
+    def ttysetraw(self):
+        tty.setraw(self._child_stdout, termios.TCSADRAIN)
+
+    def start(self):
+        """
+        Start the child process.
+        """
+        RNS.log("start()", RNS.LOG_EXTREME)
+
+        # # Using the parent environment seems to do some weird stuff, at least on macOS
+        # parentenv = os.environ.copy()
+        # env = {"HOME": parentenv["HOME"],
+        #        "PATH": parentenv["PATH"],
+        #        "TERM": self._term if self._term is not None else parentenv.get("TERM", "xterm"),
+        #        "LANG": parentenv.get("LANG"),
+        #        "SHELL": self._command[0]}
+
+        env = os.environ.copy()
+        for key in self._env:
+            env[key] = self._env[key]
+
+        program = self._command[0]
+        assert isinstance(program, str)
+
+        # match = re.search("^/bin/(.*sh)$", program)
+        # if match:
+        #     self._command[0] = "-" + match.group(1)
+        #     env["SHELL"] = program
+        #     self._log.debug(f"set login shell {self._command}")
+
+        self._pid, \
+            self._child_stdin, \
+            self._child_stdout, \
+            self._child_stderr = _launch_child(self._command, env, self._stdin_is_pipe, self._stdout_is_pipe,
+                                               self._stderr_is_pipe)
+        RNS.log(f"Started pid {self.pid}, fds: {self._child_stdin}, {self._child_stdout}, {self._child_stderr}", RNS.LOG_DEBUG)
+
+        def poll():
+            try:
+                pid, self._return_code = os.waitpid(self._pid, os.WNOHANG)
+                if self._return_code is not None:
+                    self._return_code = self._return_code & 0xff
+                if self._return_code is not None and not process_exists(self._pid):
+                    RNS.log(f"polled return code {self._return_code}", RNS.LOG_DEBUG)
+                    self._terminated_cb(self._return_code)
+                if self.running:
+                    self._loop.call_later(CallbackSubprocess.PROCESS_POLL_TIME, poll)
+                else:
+                    self._ensure_pipes_closed()
+            except Exception as e:
+                if not hasattr(e, "errno") or e.errno != errno.ECHILD:
+                    RNS.log(f"Error in process poll: {e}", RNS.LOG_DEBUG)
+
+        self._loop.call_later(CallbackSubprocess.PROCESS_POLL_TIME, poll)
+
+        def stdout():
+            try:
+                with exception.permit(SystemExit):
+                    data = tty_read_poll(self._child_stdout)
+                    if data is not None and len(data) > 0:
+                        self._stdout_cb(data)
+                        # Opportunistically drain shortly after to coalesce immediate follow-up output
+                        if not self._loop.is_closed():
+                            self._loop.call_later(0.01, stdout)
+            except EOFError:
+                self._stdout_eof = True
+                tty_unset_reader_callbacks(self._child_stdout)
+                self._stdout_cb(bytearray())
+
+        def stderr():
+            try:
+                with exception.permit(SystemExit):
+                    data = tty_read_poll(self._child_stderr)
+                    if data is not None and len(data) > 0:
+                        self._stderr_cb(data)
+                        if not self._loop.is_closed():
+                            self._loop.call_later(0.01, stderr)
+            except EOFError:
+                self._stderr_eof = True
+                tty_unset_reader_callbacks(self._child_stderr)
+                self._stderr_cb(bytearray())
+
+        tty_add_reader_callback(self._child_stdout, stdout, self._loop)
+        if self._child_stderr != self._child_stdout:
+            tty_add_reader_callback(self._child_stderr, stderr, self._loop)
+
+    @property
+    def stdout_eof(self):
+        return self._stdout_eof or not self.running
+
+    @property
+    def stderr_eof(self):
+        return self._stderr_eof or not self.running
+
+
+    @property
+    def return_code(self) -> int:
+        return self._return_code
+
+    @property
+    def pid(self) -> int:
+        return self._pid
+
+
+async def main():
+    """
+    A test driver for the CallbackProcess class.
+    python ./process.py /bin/zsh --login
+    """
+
+    if len(sys.argv) <= 1:
+        print(f"Usage: {sys.argv} <absolute_path_to_child_executable> [child_arg ...]")
+        exit(1)
+
+    loop = asyncio.get_event_loop()
+    # asyncio.set_event_loop(loop)
+    retcode = loop.create_future()
+
+    def stdout(data: bytes): os.write(sys.stdout.fileno(), data)
+
+    def terminated(rc: int): retcode.set_result(rc)
+
+    process = CallbackSubprocess(argv=sys.argv[1:],
+                                 env={"TERM": os.environ.get("TERM", "xterm")},
+                                 loop=loop,
+                                 stdout_callback=stdout,
+                                 terminated_callback=terminated)
+
+    def sigint_handler(sig, frame):
+        if process is None or process.started and not process.running:
+            raise KeyboardInterrupt
+        elif process.running:
+            process.write("\x03".encode("utf-8"))
+
+    def sigwinch_handler(sig, frame):
+        process.copy_winsize(sys.stdin.fileno())
+
+    signal.signal(signal.SIGINT, sigint_handler)
+    signal.signal(signal.SIGWINCH, sigwinch_handler)
+
+    def stdin():
+        try:
+            data = tty_read(sys.stdin.fileno())
+            if data is not None:
+                process.write(data)
+
+        except EOFError:
+            tty_unset_reader_callbacks(sys.stdin.fileno())
+            process.write(CTRL_D)
+
+    tty_add_reader_callback(sys.stdin.fileno(), stdin)
+    process.start()
+    # call_soon called it too soon, not sure why.
+    loop.call_later(0.001, functools.partial(process.copy_winsize, sys.stdin.fileno()))
+
+    val = await retcode
+    RNS.log(f"Got return code {val}", RNS.LOG_DEBUG)
+    return val
+
+
+if __name__ == "__main__":
+    tr = TTYRestorer(sys.stdin.fileno())
+    try:
+        tr.raw()
+        asyncio.run(main())
+    finally:
+        tty_unset_reader_callbacks(sys.stdin.fileno())
+        tr.restore()

RNS/Utilities/rnsh/protocol.py

@@ -0,0 +1,149 @@
+#         Based on the original rnsh program by Aaron Heise (@acehoss)
+# https://github.com/acehoss/rnsh - MIT License - Copyright (c) 2023 Aaron Heise
+#     This version of rnsh is included in RNS under the Reticulum License
+#
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+from __future__ import annotations
+
+import RNS
+from RNS.vendor import umsgpack
+from RNS.Buffer import StreamDataMessage as RNSStreamDataMessage
+import RNS.Utilities.rnsh.retry
+import abc
+import contextlib
+import struct
+from abc import ABC, abstractmethod
+
+MSG_MAGIC = 0xac
+PROTOCOL_VERSION = 1
+
+def _make_MSGTYPE(val: int):
+    return ((MSG_MAGIC << 8) & 0xff00) | (val & 0x00ff)
+
+
+class NoopMessage(RNS.MessageBase):
+    MSGTYPE = _make_MSGTYPE(0)
+    def pack(self) -> bytes: return bytes()
+    def unpack(self, raw): pass
+
+
+class WindowSizeMessage(RNS.MessageBase):
+    MSGTYPE = _make_MSGTYPE(2)
+
+    def __init__(self, rows: int = None, cols: int = None, hpix: int = None, vpix: int = None):
+        super().__init__()
+        self.rows = rows
+        self.cols = cols
+        self.hpix = hpix
+        self.vpix = vpix
+
+    def pack(self) -> bytes: return umsgpack.packb((self.rows, self.cols, self.hpix, self.vpix))
+    def unpack(self, raw): self.rows, self.cols, self.hpix, self.vpix = umsgpack.unpackb(raw)
+
+
+class ExecuteCommandMesssage(RNS.MessageBase):
+    MSGTYPE = _make_MSGTYPE(3)
+
+    def __init__(self, cmdline: [str] = None, pipe_stdin: bool = False, pipe_stdout: bool = False,
+                 pipe_stderr: bool = False, tcflags: [any] = None, term: str | None = None, rows: int = None,
+                 cols: int = None, hpix: int = None, vpix: int = None):
+        
+        super().__init__()
+        self.cmdline = cmdline
+        self.pipe_stdin = pipe_stdin
+        self.pipe_stdout = pipe_stdout
+        self.pipe_stderr = pipe_stderr
+        self.tcflags = tcflags
+        self.term = term
+        self.rows = rows
+        self.cols = cols
+        self.hpix = hpix
+        self.vpix = vpix
+
+    def pack(self) -> bytes:
+        return umsgpack.packb((self.cmdline, self.pipe_stdin, self.pipe_stdout, self.pipe_stderr,
+                               self.tcflags, self.term, self.rows, self.cols, self.hpix, self.vpix))
+
+    def unpack(self, raw):
+        self.cmdline, self.pipe_stdin, self.pipe_stdout, self.pipe_stderr, self.tcflags, self.term, self.rows, \
+            self.cols, self.hpix, self.vpix = umsgpack.unpackb(raw)
+
+
+# Create a version of RNS.Buffer.StreamDataMessage that we control
+class StreamDataMessage(RNSStreamDataMessage):
+    MSGTYPE = _make_MSGTYPE(4)
+    STREAM_ID_STDIN  = 0
+    STREAM_ID_STDOUT = 1
+    STREAM_ID_STDERR = 2
+
+
+class VersionInfoMessage(RNS.MessageBase):
+    MSGTYPE = _make_MSGTYPE(5)
+
+    def __init__(self, sw_version: str = None):
+        super().__init__()
+        self.sw_version = sw_version or RNS.Utilities.rnsh.__version__
+        self.protocol_version = PROTOCOL_VERSION
+
+    def pack(self) -> bytes: return umsgpack.packb((self.sw_version, self.protocol_version))
+    def unpack(self, raw): self.sw_version, self.protocol_version = umsgpack.unpackb(raw)
+
+
+class ErrorMessage(RNS.MessageBase):
+    MSGTYPE = _make_MSGTYPE(6)
+
+    def __init__(self, msg: str = None, fatal: bool = False, data: dict = None):
+        super().__init__()
+        self.msg = msg
+        self.fatal = fatal
+        self.data = data
+
+    def pack(self) -> bytes: return umsgpack.packb((self.msg, self.fatal, self.data))
+    def unpack(self, raw: bytes): self.msg, self.fatal, self.data = umsgpack.unpackb(raw)
+
+
+class CommandExitedMessage(RNS.MessageBase):
+    MSGTYPE = _make_MSGTYPE(7)
+
+    def __init__(self, return_code: int = None):
+        super().__init__()
+        self.return_code = return_code
+
+    def pack(self) -> bytes: return umsgpack.packb(self.return_code)
+    def unpack(self, raw: bytes): self.return_code = umsgpack.unpackb(raw)
+
+
+message_types = [NoopMessage, VersionInfoMessage, WindowSizeMessage, ExecuteCommandMesssage, StreamDataMessage,
+                 CommandExitedMessage, ErrorMessage]
+
+def register_message_types(channel: RNS.Channel.Channel):
+    for message_type in message_types: channel.register_message_type(message_type)

RNS/Utilities/rnsh/retry.py

@@ -0,0 +1,201 @@
+#         Based on the original rnsh program by Aaron Heise (@acehoss)
+# https://github.com/acehoss/rnsh - MIT License - Copyright (c) 2023 Aaron Heise
+#     This version of rnsh is included in RNS under the Reticulum License
+#
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import asyncio
+import threading
+import time
+import RNS.Utilities.rnsh.exception as exception
+from typing import Callable
+from contextlib import AbstractContextManager
+import types
+import typing
+
+
+class RetryStatus:
+    def __init__(self, tag: any, try_limit: int, wait_delay: float, retry_callback: Callable[[any, int], any],
+                 timeout_callback: Callable[[any, int], None], tries: int = 1):
+        
+        self.tag = tag
+        self.try_limit = try_limit
+        self.tries = tries
+        self.wait_delay = wait_delay
+        self.retry_callback = retry_callback
+        self.timeout_callback = timeout_callback
+        self.try_time = time.time()
+        self.completed = False
+
+    @property
+    def ready(self):
+        ready = time.time() > self.try_time + self.wait_delay
+        RNS.log(f"ready check {self.tag} try_time {self.try_time} wait_delay {self.wait_delay} " +
+                        f"next_try {self.try_time + self.wait_delay} now {time.time()} " +
+                        f"exceeded {time.time() - self.try_time - self.wait_delay} ready {ready}", RNS.LOG_DEBUG)
+        return ready
+
+    @property
+    def timed_out(self):
+        return self.ready and self.tries >= self.try_limit
+
+    def timeout(self):
+        self.completed = True
+        self.timeout_callback(self.tag, self.tries)
+
+    def retry(self) -> any:
+        self.tries = self.tries + 1
+        self.try_time = time.time()
+        return self.retry_callback(self.tag, self.tries)
+
+
+class RetryThread(AbstractContextManager):
+    def __init__(self, loop_period: float = 0.25, name: str = "retry thread"):
+        self._loop_period = loop_period
+        self._statuses: list[RetryStatus] = []
+        self._tag_counter = 0
+        self._lock = threading.RLock()
+        self._run = True
+        self._finished: asyncio.Future = None
+        self._thread = threading.Thread(name=name, target=self._thread_run, daemon=True)
+        self._thread.start()
+
+    def is_alive(self):
+        return self._thread.is_alive()
+
+    def close(self, loop: asyncio.AbstractEventLoop = None) -> asyncio.Future:
+        RNS.log("Stopping timer thread", RNS.LOG_DEBUG)
+        if loop is None:
+            self._run = False
+            self._thread.join()
+            return None
+        else:
+            self._finished = loop.create_future()
+            return self._finished
+
+    def wait(self, timeout: float = None):
+        if timeout:
+            timeout = timeout + time.time()
+
+        while timeout is None or time.time() < timeout:
+            with self._lock:
+                task_count = len(self._statuses)
+            if task_count == 0:
+                return
+            time.sleep(0.1)
+
+
+    def _thread_run(self):
+        while self._run and self._finished is None:
+            time.sleep(self._loop_period)
+            ready: list[RetryStatus] = []
+            prune: list[RetryStatus] = []
+            with self._lock: ready.extend(list(filter(lambda s: s.ready, self._statuses)))
+            
+            for retry in ready:
+                try:
+                    if not retry.completed:
+                        if retry.timed_out:
+                            RNS.log(f"Timed out {retry.tag} after {retry.try_limit} tries", RNS.LOG_DEBUG)
+                            retry.timeout()
+                            prune.append(retry)
+                        elif retry.ready:
+                            RNS.log(f"Retrying {retry.tag}, try {retry.tries + 1}/{retry.try_limit}", RNS.LOG_DEBUG)
+                            should_continue = retry.retry()
+                            if not should_continue: self.complete(retry.tag)
+                
+                except Exception as e:
+                    RNS.log(f"Error processing retry id {retry.tag}: {e}", RNS.LOG_ERROR)
+                    prune.append(retry)
+
+            with self._lock:
+                for retry in prune:
+                    RNS.log(f"pruned retry {retry.tag}, retry count {retry.tries}/{retry.try_limit}", RNS.LOG_DEBUG)
+                    with exception.permit(SystemExit): self._statuses.remove(retry)
+
+        if self._finished is not None: self._finished.set_result(None)
+
+    def _get_next_tag(self):
+        self._tag_counter += 1
+        return self._tag_counter
+
+    def has_tag(self, tag: any) -> bool:
+        with self._lock: return next(filter(lambda s: s.tag == tag, self._statuses), None) is not None
+
+    def begin(self, try_limit: int, wait_delay: float, try_callback: Callable[[any, int], any],
+              timeout_callback: Callable[[any, int], None]) -> any:
+        
+        RNS.log(f"Running first try", RNS.LOG_DEBUG)
+        tag = try_callback(None, 1)
+        RNS.log(f"First try got id {tag}", RNS.LOG_DEBUG)
+        
+        if not tag:
+            RNS.log(f"Callback returned None/False/0, considering complete.", RNS.LOG_DEBUG)
+            return None
+        
+        with self._lock:
+            if tag is None: tag = self._get_next_tag()
+            self.complete(tag)
+
+            self._statuses.append(RetryStatus(tag=tag,
+                                              tries=1,
+                                              try_limit=try_limit,
+                                              wait_delay=wait_delay,
+                                              retry_callback=try_callback,
+                                              timeout_callback=timeout_callback))
+        
+        RNS.log(f"Added retry timer for {tag}", RNS.LOG_DEBUG)
+        return tag
+
+    def complete(self, tag: any):
+        assert tag is not None
+        with self._lock:
+            status = next(filter(lambda l: l.tag == tag, self._statuses), None)
+            if status is not None:
+                status.completed = True
+                self._statuses.remove(status)
+                RNS.log(f"completed {tag}", RNS.LOG_DEBUG)
+                return
+
+        RNS.log(f"status not found to complete {tag}", RNS.LOG_DEBUG)
+
+    def complete_all(self):
+        with self._lock:
+            for status in self._statuses:
+                status.completed = True
+                RNS.log(f"completed {status.tag}", RNS.LOG_DEBUG)
+            
+            self._statuses.clear()
+
+    def __exit__(self, __exc_type: typing.Type[BaseException], __exc_value: BaseException,
+                 __traceback: types.TracebackType) -> bool:
+        self.close()
+        return False

RNS/Utilities/rnsh/rnsh.py

@@ -0,0 +1,174 @@
+#!/usr/bin/env python3
+#
+#         Based on the original rnsh program by Aaron Heise (@acehoss)
+# https://github.com/acehoss/rnsh - MIT License - Copyright (c) 2023 Aaron Heise
+#     This version of rnsh is included in RNS under the Reticulum License
+#
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+from __future__ import annotations
+
+import asyncio
+import base64
+
+import re
+import os
+import sys
+
+import RNS
+import RNS.Utilities.rnsh.process as process
+import RNS.Utilities.rnsh.session as session
+import RNS.Utilities.rnsh.args
+import RNS.Utilities.rnsh.loop
+import RNS.Utilities.rnsh.listener as listener
+import RNS.Utilities.rnsh.initiator as initiator
+from RNS.Utilities.rnsh.args import parse_arguments
+
+APP_NAME = "rnsh"
+loop: asyncio.AbstractEventLoop | None = None
+
+def _sanitize_service_name(service_name:str) -> str: return re.sub(r'\W+', '', service_name)
+
+def prepare_identity(identity_path, service_name: str = None) -> tuple[RNS.Identity]:
+    service_name = _sanitize_service_name(service_name or "")
+    if identity_path is None:
+        identity_path = RNS.Reticulum.identitypath + "/" + APP_NAME + \
+                        (f".{service_name}" if service_name and len(service_name) > 0 else "")
+
+    identity = None
+    if os.path.isfile(identity_path):
+        identity = RNS.Identity.from_file(identity_path)
+
+    if identity is None:
+        RNS.log("No valid saved identity found, creating new...", RNS.LOG_INFO)
+        identity = RNS.Identity()
+        identity.to_file(identity_path)
+    
+    return identity
+
+
+def print_identity(configdir, identitypath, service_name, include_destination: bool):
+    reticulum = RNS.Reticulum(configdir=configdir, loglevel=RNS.LOG_INFO)
+    if service_name and len(service_name) > 0:
+        print(f"Using service name \"{service_name}\"")
+    identity = prepare_identity(identitypath, service_name)
+    destination = RNS.Destination(identity, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME)
+    print("Identity     : " + str(identity))
+    if include_destination:
+        print("Listening on : " + RNS.prettyhexrep(destination.hash))
+
+    exit(0)
+
+verbose_set = False
+
+def ensure_config_directory():
+    if os.path.isdir(os.path.expanduser("~/.config/rnsh")): return os.path.expanduser("~/.config/rnsh")
+    elif os.path.isdir(os.path.expanduser("~/.rnsh")): return os.path.expanduser("~/.rnsh")
+    else:
+        try:
+            os.makedirs(os.path.expanduser("~/.rnsh"))
+            return os.path.expanduser("~/.rnsh")
+
+        except Exception as e:
+            RNS.log(f"Could not get or create rnsh configuration directory, aborting", RNS.LOG_CRITICAL)
+            os._exit(1)
+
+
+async def _rnsh_cli_main():
+    global verbose_set
+    args, parser = parse_arguments()
+    verbose_set = args.verbose > 0
+
+    configdir = ensure_config_directory()
+
+    if args.print_identity:
+        print_identity(args.config, args.identity, args.service, args.listen)
+        return 0
+
+    if args.listen:
+        allowed_file = None
+        dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
+        if os.path.isfile(os.path.expanduser("~/.config/rnsh/allowed_identities")):
+            allowed_file = os.path.expanduser("~/.config/rnsh/allowed_identities")
+        elif os.path.isfile(os.path.expanduser("~/.rnsh/allowed_identities")):
+            allowed_file = os.path.expanduser("~/.rnsh/allowed_identities")
+
+        await listener.listen(configdir=configdir,
+                              rnsconfigdir=args.config,
+                              command=args.command,
+                              identitypath=args.identity,
+                              service_name=args.service,
+                              verbosity=args.verbose,
+                              quietness=args.quiet,
+                              allowed=args.allowed or [],
+                              allowed_file=allowed_file,
+                              disable_auth=args.no_auth,
+                              announce_period=args.announce,
+                              no_remote_command=args.no_remote_command,
+                              remote_cmd_as_args=args.remote_command_as_args)
+        return 0
+
+    if args.destination is not None:
+        return_code = await initiator.initiate(configdir=configdir,
+                                               rnsconfigdir=args.config,
+                                               identitypath=args.identity,
+                                               verbosity=args.verbose,
+                                               quietness=args.quiet,
+                                               noid=args.no_id,
+                                               destination=args.destination,
+                                               timeout=args.timeout,
+                                               command=args.command
+        )
+        return return_code if args.mirror else 0
+    else:
+        print("")
+        parser.print_help()
+        print("")
+        return 1
+
+
+def main():
+    global verbose_set
+    return_code = 1
+    exc = None
+    try: return_code = asyncio.run(_rnsh_cli_main())
+    except SystemExit: pass
+    except KeyboardInterrupt: pass
+    except Exception as e:
+        print(f"{e}")
+        exc = e
+    
+    process.tty_unset_reader_callbacks(0)
+    if verbose_set and exc: raise exc
+    sys.exit(return_code if return_code is not None else 255)
+
+
+if __name__ == "__main__": main()

RNS/Utilities/rnsh/session.py

@@ -0,0 +1,441 @@
+#         Based on the original rnsh program by Aaron Heise (@acehoss)
+# https://github.com/acehoss/rnsh - MIT License - Copyright (c) 2023 Aaron Heise
+#     This version of rnsh is included in RNS under the Reticulum License
+#
+# Reticulum License
+#
+# Copyright (c) 2016-2026 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+from __future__ import annotations
+import contextlib
+import functools
+import asyncio
+import RNS.Utilities.rnsh.exception as exception
+import RNS.Utilities.rnsh.process as process
+import RNS.Utilities.rnsh.helpers as helpers
+import RNS.Utilities.rnsh.protocol as protocol
+import enum
+from typing import TypeVar, Generic, Callable, List
+from abc import abstractmethod, ABC
+from multiprocessing import Manager
+import os
+import bz2
+import RNS
+
+_TLink = TypeVar("_TLink")
+_TIdentity = TypeVar("_TIdentity")
+
+class SEType(enum.IntEnum):
+    SE_LINK_CLOSED = 0
+
+class SessionException(Exception):
+    def __init__(self, setype: SEType, msg: str, *args):
+        super().__init__(msg, args)
+        self.type = setype
+
+class LSState(enum.IntEnum):
+    LSSTATE_WAIT_IDENT = 1
+    LSSTATE_WAIT_VERS  = 2
+    LSSTATE_WAIT_CMD   = 3
+    LSSTATE_RUNNING    = 4
+    LSSTATE_ERROR      = 5
+    LSSTATE_TEARDOWN   = 6
+
+
+class LSOutletBase(ABC):
+    @abstractmethod
+    def set_initiator_identified_callback(self, cb: Callable[[LSOutletBase, _TIdentity], None]): raise NotImplemented()
+
+    @abstractmethod
+    def set_link_closed_callback(self, cb: Callable[[LSOutletBase], None]): raise NotImplemented()
+
+    @abstractmethod
+    def unset_link_closed_callback(self): raise NotImplemented()
+
+    @property
+    @abstractmethod
+    def rtt(self): raise NotImplemented()
+
+    @abstractmethod
+    def teardown(self): raise NotImplemented()
+
+
+class ListenerSession:
+    sessions: List[ListenerSession] = []
+    allowed_identity_hashes: [any] = []
+    allowed_file_identity_hashes: [any] = []
+    allow_all: bool = False
+    allow_remote_command: bool = False
+    default_command: [str] = []
+    remote_cmd_as_args = False
+
+    def __init__(self, outlet: LSOutletBase, channel: RNS.Channel.Channel, loop: asyncio.AbstractEventLoop):
+        RNS.log(f"Session started for {outlet}", RNS.LOG_INFO)
+        self.outlet = outlet
+        self.channel = channel
+        self.outlet.set_initiator_identified_callback(self._initiator_identified)
+        self.outlet.set_link_closed_callback(self._link_closed)
+        self.loop = loop
+        self.state: LSState = None
+        self.remote_identity = None
+        self.term: str | None = None
+        self.stdin_is_pipe: bool = False
+        self.stdout_is_pipe: bool = False
+        self.stderr_is_pipe: bool = False
+        self.tcflags: [any] = None
+        self.cmdline: [str] = None
+        self.rows: int = 0
+        self.cols: int = 0
+        self.hpix: int = 0
+        self.vpix: int = 0
+        self.stdout_buf = bytearray()
+        self.stdout_eof_sent = False
+        self.stderr_buf = bytearray()
+        self.stderr_eof_sent = False
+        self.return_code: int | None = None
+        self.return_code_sent = False
+        self.process: process.CallbackSubprocess | None = None
+
+        if self.allow_all: self._set_state(LSState.LSSTATE_WAIT_VERS)
+        else: self._set_state(LSState.LSSTATE_WAIT_IDENT)
+
+        self.sessions.append(self)
+        protocol.register_message_types(self.channel)
+        self.channel.add_message_handler(self._handle_message)
+
+    def _terminated(self, return_code: int):
+        self.return_code = return_code
+
+    def _set_state(self, state: LSState, timeout_factor: float = 10.0):
+        timeout = max(self.outlet.rtt * timeout_factor, max(self.outlet.rtt * 2, 10)) if timeout_factor is not None else None
+        RNS.log(f"Set state: {state.name}, timeout {timeout}", RNS.LOG_DEBUG)
+        orig_state = self.state
+        self.state = state
+        if timeout_factor is not None:
+            self._call(functools.partial(self._check_protocol_timeout, lambda: self.state == orig_state, state.name), timeout)
+
+    def _call(self, func: callable, delay: float = 0):
+        def call_inner():
+            if delay == 0: func()
+            else: self.loop.call_later(delay, func)
+        
+        self.loop.call_soon_threadsafe(call_inner)
+
+    def send(self, message: RNS.MessageBase):
+        self.channel.send(message)
+
+    def _protocol_error(self, name: str):
+        self.terminate(f"Protocol error ({name})")
+
+    def _protocol_timeout_error(self, name: str):
+        self.terminate(f"Protocol timeout error: {name}")
+
+    def terminate(self, error: str = None):
+        with contextlib.suppress(Exception):
+            RNS.log("Terminating session" + (f": {error}" if error else ""), RNS.LOG_DEBUG)
+            if error and self.state != LSState.LSSTATE_TEARDOWN:
+                with contextlib.suppress(Exception):
+                    self.send(protocol.ErrorMessage(error, True))
+
+            self.state = LSState.LSSTATE_ERROR
+            self._terminate_process()
+            self._call(self._prune, max(self.outlet.rtt * 3, process.CallbackSubprocess.PROCESS_PIPE_TIME+5))
+
+    def _prune(self):
+        self.state = LSState.LSSTATE_TEARDOWN
+        RNS.log("Pruning session", RNS.LOG_DEBUG)
+        with contextlib.suppress(ValueError):
+            self.sessions.remove(self)
+        with contextlib.suppress(Exception):
+            self.outlet.teardown()
+
+    def _check_protocol_timeout(self, fail_condition: Callable[[], bool], name: str):
+        timeout = True
+        try: timeout = self.state != LSState.LSSTATE_TEARDOWN and fail_condition()
+        except Exception as e: RNS.log(f"Error in protocol timeout: {e}", RNS.LOG_ERROR)
+        if timeout: self._protocol_timeout_error(name)
+
+    def _link_closed(self, outlet: LSOutletBase):
+        outlet.unset_link_closed_callback()
+
+        if outlet != self.outlet:
+            RNS.log("Link closed received from incorrect outlet", RNS.LOG_DEBUG)
+            return
+
+        RNS.log(f"link_closed {outlet}", RNS.LOG_DEBUG)
+        self.terminate()
+
+    def _initiator_identified(self, outlet, identity):
+        if outlet != self.outlet:
+            RNS.log("Identity received from incorrect outlet", RNS.LOG_DEBUG)
+            return
+
+        RNS.log(f"initiator_identified {identity} on link {outlet}", RNS.LOG_INFO)
+        if self.state not in [LSState.LSSTATE_WAIT_IDENT, LSState.LSSTATE_WAIT_VERS]:
+            self._protocol_error(LSState.LSSTATE_WAIT_IDENT.name)
+
+        if not self.allow_all and identity.hash not in self.allowed_identity_hashes and identity.hash not in self.allowed_file_identity_hashes:
+            self.terminate("Identity is not allowed.")
+
+        self.remote_identity = identity
+        self._set_state(LSState.LSSTATE_WAIT_VERS)
+
+    @classmethod
+    async def pump_all(cls) -> True:
+        processed_any = False
+        for session in cls.sessions:
+            processed = session.pump()
+            processed_any = processed_any or processed
+            await asyncio.sleep(0)
+
+
+    @classmethod
+    async def terminate_all(cls, reason: str):
+        for session in cls.sessions:
+            session.terminate(reason)
+            await asyncio.sleep(0)
+
+    def pump(self) -> bool:
+        def compress_adaptive(buf: bytes):
+            comp_tries = RNS.RawChannelWriter.COMPRESSION_TRIES
+            comp_try = 1
+            comp_success = False
+            
+            chunk_len = len(buf)
+            if chunk_len > RNS.RawChannelWriter.MAX_CHUNK_LEN:
+                chunk_len = RNS.RawChannelWriter.MAX_CHUNK_LEN
+            chunk_segment = None
+
+            chunk_segment = None
+            max_data_len = self.channel.mdu - protocol.StreamDataMessage.OVERHEAD
+            while chunk_len > 32 and comp_try < comp_tries:
+                chunk_segment_length = int(chunk_len/comp_try)
+                compressed_chunk = bz2.compress(buf[:chunk_segment_length])
+                compressed_length = len(compressed_chunk)
+                if compressed_length < max_data_len and compressed_length < chunk_segment_length:
+                    comp_success = True
+                    break
+                else:
+                    comp_try += 1
+
+            if comp_success:
+                diff = max_data_len - len(compressed_chunk)
+                chunk = compressed_chunk
+                processed_length = chunk_segment_length
+            else:
+                chunk = bytes(buf[:max_data_len])
+                processed_length = len(chunk)
+
+            return comp_success, processed_length, chunk
+
+        try:
+            if self.state != LSState.LSSTATE_RUNNING:
+                return False
+            elif not self.channel.is_ready_to_send():
+                return False
+            elif len(self.stderr_buf) > 0:
+                comp_success, processed_length, data = compress_adaptive(self.stderr_buf)
+                self.stderr_buf = self.stderr_buf[processed_length:]
+                send_eof = self.process.stderr_eof and len(data) == 0 and not self.stderr_eof_sent
+                self.stderr_eof_sent = self.stderr_eof_sent or send_eof
+                msg = protocol.StreamDataMessage(protocol.StreamDataMessage.STREAM_ID_STDERR,
+                                                 data, send_eof, comp_success)
+                self.send(msg)
+                if send_eof:
+                    self.stderr_eof_sent = True
+                return True
+            elif len(self.stdout_buf) > 0:
+                comp_success, processed_length, data = compress_adaptive(self.stdout_buf)
+                self.stdout_buf = self.stdout_buf[processed_length:]
+                send_eof = self.process.stdout_eof and len(data) == 0 and not self.stdout_eof_sent
+                self.stdout_eof_sent = self.stdout_eof_sent or send_eof
+                msg = protocol.StreamDataMessage(protocol.StreamDataMessage.STREAM_ID_STDOUT,
+                                                 data, send_eof, comp_success)
+                self.send(msg)
+                if send_eof:
+                    self.stdout_eof_sent = True
+                return True
+            elif self.return_code is not None and not self.return_code_sent:
+                msg = protocol.CommandExitedMessage(self.return_code)
+                self.send(msg)
+                self.return_code_sent = True
+                self._call(functools.partial(self._check_protocol_timeout,
+                                             lambda: self.state == LSState.LSSTATE_RUNNING, "CommandExitedMessage"),
+                           max(self.outlet.rtt * 5, 10))
+                return False
+        
+        except Exception as e: RNS.log(f"Error during pump: {e}", RNS.LOG_ERROR)
+        return False
+
+    def _terminate_process(self):
+        with contextlib.suppress(Exception):
+            if self.process and self.process.running:
+                self.process.terminate()
+
+    def _start_cmd(self, cmdline: [str], pipe_stdin: bool, pipe_stdout: bool, pipe_stderr: bool, tcflags: [any],
+                   term: str | None, rows: int, cols: int, hpix: int, vpix: int):
+
+        self.cmdline = self.default_command
+        if not self.allow_remote_command and cmdline and len(cmdline) > 0:
+            self.terminate("Remote command line not allowed by listener")
+            return
+
+        if self.remote_cmd_as_args and cmdline and len(cmdline) > 0:
+            self.cmdline.extend(cmdline)
+        elif cmdline and len(cmdline) > 0:
+            self.cmdline = cmdline
+
+
+        self.stdin_is_pipe = pipe_stdin
+        self.stdout_is_pipe = pipe_stdout
+        self.stderr_is_pipe = pipe_stderr
+        self.tcflags = tcflags
+        self.term = term
+
+        def stdout(data: bytes):
+            self.stdout_buf.extend(data)
+
+        def stderr(data: bytes):
+            self.stderr_buf.extend(data)
+
+        try:
+            self.process = process.CallbackSubprocess(argv=self.cmdline,
+                                                      env={"TERM": self.term or os.environ.get("TERM") or "xterm",
+                                                            "RNS_REMOTE_IDENTITY": (RNS.prettyhexrep(self.remote_identity.hash)
+                                                                if self.remote_identity and self.remote_identity.hash else "")},
+                                                      loop=self.loop,
+                                                      stdout_callback=stdout,
+                                                      stderr_callback=stderr,
+                                                      terminated_callback=self._terminated,
+                                                      stdin_is_pipe=self.stdin_is_pipe,
+                                                      stdout_is_pipe=self.stdout_is_pipe,
+                                                      stderr_is_pipe=self.stderr_is_pipe)
+            self.process.start()
+            self._set_window_size(rows, cols, hpix, vpix)
+        except Exception as e:
+            RNS.log(f"Unable to start process for link {self.outlet}: {e}", RNS.LOG_ERROR)
+            self.terminate("Unable to start process")
+
+    def _set_window_size(self, rows: int, cols: int, hpix: int, vpix: int):
+        self.rows = rows
+        self.cols = cols
+        self.hpix = hpix
+        self.vpix = vpix
+        with contextlib.suppress(Exception):
+            self.process.set_winsize(rows, cols, hpix, vpix)
+
+    def _received_stdin(self, data: bytes, eof: bool):
+        if data and len(data) > 0:
+            self.process.write(data)
+        if eof:
+            self.process.close_stdin()
+
+    def _handle_message(self, message: RNS.MessageBase):
+        if self.state == LSState.LSSTATE_WAIT_IDENT:
+            # Ignore any messages until the initiator has identified to avoid race conditions
+            # between identity announcement and early protocol messages.
+            RNS.log("Ignoring message while waiting for identification", RNS.LOG_DEBUG)
+            return
+        if self.state == LSState.LSSTATE_WAIT_VERS:
+            if not isinstance(message, protocol.VersionInfoMessage):
+                self._protocol_error(self.state.name)
+                return
+            RNS.log(f"Version {message.sw_version}, protocol {message.protocol_version} on link {self.outlet}", RNS.LOG_VERBOSE)
+            if message.protocol_version != protocol.PROTOCOL_VERSION:
+                self.terminate("Incompatible protocol")
+                return
+            self.send(protocol.VersionInfoMessage())
+            self._set_state(LSState.LSSTATE_WAIT_CMD)
+            return
+        elif self.state == LSState.LSSTATE_WAIT_CMD:
+            if not isinstance(message, protocol.ExecuteCommandMesssage):
+                return self._protocol_error(self.state.name)
+            RNS.log(f"Execute command message on link {self.outlet}: {message.cmdline}", RNS.LOG_VERBOSE)
+            self._set_state(LSState.LSSTATE_RUNNING)
+            self._start_cmd(message.cmdline, message.pipe_stdin, message.pipe_stdout, message.pipe_stderr,
+                            message.tcflags, message.term, message.rows, message.cols, message.hpix, message.vpix)
+            return
+        elif self.state == LSState.LSSTATE_RUNNING:
+            if isinstance(message, protocol.WindowSizeMessage):
+                self._set_window_size(message.rows, message.cols, message.hpix, message.vpix)
+            elif isinstance(message, protocol.StreamDataMessage):
+                if message.stream_id != protocol.StreamDataMessage.STREAM_ID_STDIN:
+                    RNS.log(f"Received stream data for invalid stream {message.stream_id} on link {self.outlet}", RNS.LOG_ERROR)
+                    return self._protocol_error(self.state.name)
+                self._received_stdin(message.data, message.eof)
+                return
+            elif isinstance(message, protocol.NoopMessage):
+                # echo noop only on listener--used for keepalive/connectivity check
+                self.send(message)
+                return
+        elif self.state in [LSState.LSSTATE_ERROR, LSState.LSSTATE_TEARDOWN]:
+            RNS.log(f"Received packet, but in state {self.state.name}", RNS.LOG_ERROR)
+            return
+        else:
+            self._protocol_error("unexpected message")
+            return
+
+
+class RNSOutlet(LSOutletBase):
+
+    def set_initiator_identified_callback(self, cb: Callable[[LSOutletBase, _TIdentity], None]):
+        def inner_cb(link, identity: _TIdentity):
+            cb(self, identity)
+
+        self.link.set_remote_identified_callback(inner_cb)
+
+    def set_link_closed_callback(self, cb: Callable[[LSOutletBase], None]):
+        def inner_cb(link):
+            cb(self)
+
+        self.link.set_link_closed_callback(inner_cb)
+
+    def unset_link_closed_callback(self):
+        self.link.set_link_closed_callback(None)
+
+    def teardown(self):
+        self.link.teardown()
+
+    @property
+    def rtt(self) -> float:
+        return self.link.rtt
+
+    def __str__(self):
+        return f"Outlet RNS Link {self.link}"
+
+    def __init__(self, link: RNS.Link):
+        self.link = link
+        link.lsoutlet = self
+
+    @staticmethod
+    def get_outlet(link: RNS.Link):
+        if hasattr(link, "lsoutlet"):
+            return link.lsoutlet
+
+        return RNSOutlet(link)

RNS/Utilities/rnstatus.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -27,6 +35,7 @@ import os
 import sys
 import time
 import argparse
+import io
 
 from RNS._version import __version__
 
@@ -51,8 +60,11 @@ def size_str(num, suffix='B'):
 
 request_result = None
 request_concluded = False
+first_remote_req = True
+remote_destination = None
+remote_link = None
 def get_remote_status(destination_hash, include_lstats, identity, no_output=False, timeout=RNS.Transport.PATH_REQUEST_TIMEOUT):
-    global request_result, request_concluded
+    global request_result, request_concluded, first_remote_req, remote_destination, remote_link
     link_count = None
 
     if not RNS.Transport.has_path(destination_hash):
@@ -72,7 +84,8 @@ def get_remote_status(destination_hash, include_lstats, identity, no_output=Fals
     remote_identity = RNS.Identity.recall(destination_hash)
 
     def remote_link_closed(link):
-        if link.teardown_reason == RNS.Link.TIMEOUT:
+        if link.teardown_reason == RNS.Link.INITIATOR_CLOSED: return
+        elif link.teardown_reason == RNS.Link.TIMEOUT:
             if not no_output:
                 print("\r                                                          \r", end="")
                 print("The link timed out, exiting now")
@@ -98,49 +111,53 @@ def get_remote_status(destination_hash, include_lstats, identity, no_output=Fals
         response = request_receipt.response
         if isinstance(response, list):
             status = response[0]
-            if len(response) > 1:
-                link_count = response[1]
-            else:
-                link_count = None
+            if len(response) > 1: link_count = response[1]
+            else:                 link_count = None
 
             request_result = (status, link_count)
 
         request_concluded = True
 
     def remote_link_established(link):
-        if not no_output:
+        global first_remote_req
+        if not no_output and first_remote_req:
             print("\r                                                          \r", end="")
             print("Sending request...", end=" ")
             sys.stdout.flush()
         link.identify(identity)
         link.request("/status", data = [include_lstats], response_callback = got_response, failed_callback = request_failed)
+        first_remote_req = False
 
-    if not no_output:
+    if not remote_link and not no_output:
         print("\r                                                          \r", end="")
         print("Establishing link with remote transport instance...", end=" ")
         sys.stdout.flush()
 
-    remote_destination = RNS.Destination(remote_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, "rnstransport", "remote", "management")
-    link = RNS.Link(remote_destination)
-    link.set_link_established_callback(remote_link_established)
-    link.set_link_closed_callback(remote_link_closed)
+    if not remote_destination:
+        remote_destination = RNS.Destination(remote_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, "rnstransport", "remote", "management")
+    
+    if remote_link and remote_link.status == RNS.Link.ACTIVE:
+        request_concluded = False
+        remote_link.request("/status", data = [include_lstats], response_callback = got_response, failed_callback = request_failed)
 
-    while not request_concluded:
-        time.sleep(0.1)
+    else:
+        remote_link = RNS.Link(remote_destination)
+        remote_link.set_link_established_callback(remote_link_established)
+        remote_link.set_link_closed_callback(remote_link_closed)
+
+    while not request_concluded: time.sleep(0.1)
 
     if request_result != None:
         print("\r                                                          \r", end="")
 
     return request_result
 
-def program_setup(configdir, dispall=False, verbosity=0, name_filter=None, json=False, astats=False,
-                  lstats=False, sorting=None, sort_reverse=False, remote=None, management_identity=None,
-                  remote_timeout=RNS.Transport.PATH_REQUEST_TIMEOUT, must_exit=True, rns_instance=None, traffic_totals=False):
-    
-    if remote:
-        require_shared = False
-    else:
-        require_shared = True
+def program_setup(configdir, dispall=False, verbosity=0, name_filter=None, json=False, astats=False, pstats=False, lstats=False, sorting=None,
+                  sort_reverse=False, remote=None, management_identity=None, remote_timeout=RNS.Transport.PATH_REQUEST_TIMEOUT, must_exit=True,
+                  rns_instance=None, traffic_totals=False, discovered_interfaces=False, config_entries=False, burst_filter=False):
+  
+    if remote: require_shared = False
+    else: require_shared = True
 
     try:
         if rns_instance:
@@ -151,53 +168,177 @@ def program_setup(configdir, dispall=False, verbosity=0, name_filter=None, json=
 
     except Exception as e:
         print("No shared RNS instance available to get status from")
-        if must_exit:
-            exit(1)
-        else:
-            return
+        if must_exit: exit(1)
+        else: return
 
     link_count = None
     stats = None
+
+    details = False
+    if config_entries:
+        discovered_interfaces = True
+        details = True
+
+    if discovered_interfaces:
+        if_discovery = RNS.Discovery.InterfaceDiscovery(discover_interfaces=False)
+        ifs = if_discovery.list_discovered_interfaces()
+        print("")
+
+        if json:
+            import json
+            for i in ifs:
+                for e in i:
+                    if isinstance(i[e], bytes): i[e] = RNS.hexrep(i[e], delimit=False)
+          
+            print(json.dumps(ifs))
+
+        else:
+            filtered_ifs = []
+            for i in ifs:
+                name = i["name"]
+                if not name_filter or name_filter.lower() in name.lower(): filtered_ifs.append(i)
+          
+            if details:
+                for idx, i in enumerate(filtered_ifs):
+                    try:
+                        name = i["name"]
+                        if_type = i["type"]
+                        status = i["status"]
+
+                        if status == "available": status_display = "Available"
+                        elif status == "unknown": status_display = "Unknown"
+                        elif status == "stale":   status_display = "Stale"
+                        else:                     status_display = status
+
+                        now  = time.time()
+                        dago = now-i["discovered"]
+                        hago = now-i["last_heard"]
+                        discovered_display = f"{RNS.prettytime(dago, compact=True)} ago"
+                        last_heard_display = f"{RNS.prettytime(hago, compact=True)} ago"
+                        transport_str = "Enabled" if i["transport"] else "Disabled"
+
+                        if i["latitude"] is not None and i["longitude"] is not None:
+                            lat = round(i["latitude"], 4)
+                            lon = round(i["longitude"], 4)
+                            if i["height"] != None: height = ", "+str(i["height"])+"m h"
+                            else: height = ""
+                            location = f"{lat}, {lon}{height}"
+                        else: location = "Unknown"
+
+                        transport_id = None
+                        network = None
+                        if "transport_id" in i: transport_id = i["transport_id"]
+                        if "transport_id" in i and "network_id" in i and i["transport_id"] != i["network_id"]:
+                            network = i["network_id"]
+
+                        if idx > 0:      print("\n"+"="*32+"\n")
+                        if network:      print(f"Network   ID : {network}")
+                        if transport_id: print(f"Transport ID : {transport_id}")
+
+                        print(f"Name         : {name}")
+                        print(f"Type         : {if_type}")
+                        print(f"Status       : {status_display}")
+                        print(f"Transport    : {transport_str}")
+                        print(f"Distance     : {i['hops']} hop{'' if i['hops'] == 1 else 's'}")
+                        print(f"Discovered   : {discovered_display}")
+                        print(f"Last Heard   : {last_heard_display}")
+                        print(f"Location     : {location}")
+
+                        if "frequency" in i:    print(f"Frequency    : {i['frequency']:,} Hz")
+                        if "bandwidth" in i:    print(f"Bandwidth    : {i['bandwidth']:,} Hz")
+                        if "sf" in i:           print(f"Sprd. Factor : {i['sf']}")
+                        if "cr" in i:           print(f"Coding Rate  : {i['cr']}")
+                        if "modulation" in i:   print(f"Modulation   : {i['modulation']}")
+                        if "reachable_on" in i: print(f"Address      : {i['reachable_on']}")
+                        if "port" in i:         print(f"Port         : {i['port']}")
+
+                        print(f"Stamp Value  : {i['value']}")
+
+                        print(f"\nConfiguration Entry:")
+                        config_lines = i["config_entry"].split('\n')
+                        for line in config_lines: print(f"  {line}")
+
+                    except Exception as e:
+                        pass
+              
+            else:
+                print(f"{'Name':<25} {'Type':<12} {'Status':<12} {'Last Heard':<12} {'Value':<8} {'Location':<15}")
+                print("-" * 89)
+                
+                for i in filtered_ifs:
+                    try:
+                        name = i["name"][:24] + "…" if len(i["name"]) > 24 else i["name"]
+                        
+                        if_type = i["type"].replace("Interface", "")
+                        
+                        status = i["status"]
+                        if status == "available": status_display = "✓ Available"
+                        elif status == "unknown": status_display = "? Unknown"
+                        elif status == "stale":   status_display = "× Stale"
+                        else:                     status_display = status
+                        
+                        now = time.time()
+                        last_heard = i["last_heard"]
+                        diff = now - last_heard
+                        
+                        if diff < 60: last_heard_display = "Just now"
+                        elif diff < 3600:
+                            mins = int(diff / 60)
+                            last_heard_display = f"{mins}m ago"
+                        elif diff < 86400:
+                            hours = int(diff / 3600)
+                            last_heard_display = f"{hours}h ago"
+                        else:
+                            days = int(diff / 86400)
+                            last_heard_display = f"{days}d ago"
+                        
+                        value = str(i["value"])
+                        
+                        if i["latitude"] is not None and i["longitude"] is not None:
+                            lat = round(i["latitude"], 4)
+                            lon = round(i["longitude"], 4)
+                            location = f"{lat}, {lon}"
+                        else: location = "N/A"
+                        
+                        print(f"{name:<25} {if_type:<12} {status_display:<12} {last_heard_display:<12} {value:<8} {location:<15}")
+
+                    except Exception as e:
+                        pass
+
+        if must_exit: exit(0)
+        else: return
+
     if remote:
         try:
+            if management_identity is None: raise ValueError("Remote management requires an identity file. Use -i to specify the path to a management identity.")
+
             dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
-            if len(remote) != dest_len:
-                raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
+            if len(remote) != dest_len: raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
             try:
                 identity_hash = bytes.fromhex(remote)
                 destination_hash = RNS.Destination.hash_from_name_and_identity("rnstransport.remote.management", identity_hash)
-            except Exception as e:
-                raise ValueError("Invalid destination entered. Check your input.")
+            except Exception as e: raise ValueError("Invalid destination entered. Check your input.")
 
             identity = RNS.Identity.from_file(os.path.expanduser(management_identity))
-            if identity == None:
-                raise ValueError("Could not load management identity from "+str(management_identity))
+            if identity == None: raise ValueError("Could not load management identity from "+str(management_identity))
 
             try:
                 remote_status = get_remote_status(destination_hash, lstats, identity, no_output=json, timeout=remote_timeout)
-                if remote_status != None:
-                    stats, link_count = remote_status
-            except Exception as e:
-                raise e
-                    
+                if remote_status != None: stats, link_count = remote_status
+            except Exception as e: raise e
+                  
         except Exception as e:
             print(str(e))
-            if must_exit:
-                exit(20)
-            else:
-                return
+            if must_exit: exit(20)
+            else: return
 
     else:
         if lstats:
-            try:
-                link_count = reticulum.get_link_count()
-            except Exception as e:
-                pass
+            try: link_count = reticulum.get_link_count()
+            except Exception as e: pass
 
-        try:
-            stats = reticulum.get_interface_stats()
-        except Exception as e:
-            pass
+        try: stats = reticulum.get_interface_stats()
+        except Exception as e: pass
 
     if stats != None:
         if json:
@@ -214,10 +355,8 @@ def program_setup(configdir, dispall=False, verbosity=0, name_filter=None, json=
                                     i[k] = RNS.hexrep(i[k], delimit=False)
 
             print(json.dumps(stats))
-            if must_exit:
-                exit()
-            else:
-                return
+            if must_exit: exit()
+            else: return
 
         interfaces = stats["interfaces"]
         if sorting != None and isinstance(sorting, str):
@@ -240,10 +379,14 @@ def program_setup(configdir, dispall=False, verbosity=0, name_filter=None, json=
                 interfaces.sort(key=lambda i: i["incoming_announce_frequency"], reverse=not sort_reverse)
             if sorting == "atx":
                 interfaces.sort(key=lambda i: i["outgoing_announce_frequency"], reverse=not sort_reverse)
+            if sorting == "prx":
+                interfaces.sort(key=lambda i: i["incoming_pr_frequency"], reverse=not sort_reverse)
+            if sorting == "ptx":
+                interfaces.sort(key=lambda i: i["outgoing_pr_frequency"], reverse=not sort_reverse)
             if sorting == "held":
                 interfaces.sort(key=lambda i: i["held_announces"], reverse=not sort_reverse)
 
-            
+          
         for ifstat in interfaces:
             name = ifstat["name"]
 
@@ -252,31 +395,35 @@ def program_setup(configdir, dispall=False, verbosity=0, name_filter=None, json=
                 name.startswith("TCPInterface[Client") or
                 name.startswith("BackboneInterface[Client on") or
                 name.startswith("AutoInterfacePeer[") or
+                name.startswith("WeaveInterfacePeer[") or
                 name.startswith("I2PInterfacePeer[Connected peer") or
                 (name.startswith("I2PInterface[") and ("i2p_connectable" in ifstat and ifstat["i2p_connectable"] == False))
                 ):
 
                 if not (name.startswith("I2PInterface[") and ("i2p_connectable" in ifstat and ifstat["i2p_connectable"] == False)):
-                    if name_filter == None or name_filter.lower() in name.lower():
+                    if name_filter == None and burst_filter == None: show_if = True
+                    elif not burst_filter:
+                        if not name_filter or name_filter.lower() in name.lower(): show_if = True
+                        else:                                                      show_if = False
+                    elif burst_filter:
+                        burst_act = True if ("burst_active" in ifstat and "pr_burst_active" in ifstat) and (ifstat["burst_active"] or ifstat["pr_burst_active"]) else False
+                        nfilt = name_filter.lower() in name.lower() if name_filter else False
+                        if burst_act or nfilt: show_if = True
+                        else: show_if = False
+                    else: show_if = True
+
+                    if show_if:
                         print("")
 
-                        if ifstat["status"]:
-                            ss = "Up"
-                        else:
-                            ss = "Down"
+                        if ifstat["status"]: ss = "Up"
+                        else: ss = "Down"
 
-                        if ifstat["mode"] == RNS.Interfaces.Interface.Interface.MODE_ACCESS_POINT:
-                            modestr = "Access Point"
-                        elif ifstat["mode"] == RNS.Interfaces.Interface.Interface.MODE_POINT_TO_POINT:
-                            modestr = "Point-to-Point"
-                        elif ifstat["mode"] == RNS.Interfaces.Interface.Interface.MODE_ROAMING:
-                            modestr = "Roaming"
-                        elif ifstat["mode"] == RNS.Interfaces.Interface.Interface.MODE_BOUNDARY:
-                            modestr = "Boundary"
-                        elif ifstat["mode"] == RNS.Interfaces.Interface.Interface.MODE_GATEWAY:
-                            modestr = "Gateway"
-                        else:
-                            modestr = "Full"
+                        if ifstat["mode"] == RNS.Interfaces.Interface.Interface.MODE_ACCESS_POINT: modestr = "Access Point"
+                        elif ifstat["mode"] == RNS.Interfaces.Interface.Interface.MODE_POINT_TO_POINT: modestr = "Point-to-Point"
+                        elif ifstat["mode"] == RNS.Interfaces.Interface.Interface.MODE_ROAMING: modestr = "Roaming"
+                        elif ifstat["mode"] == RNS.Interfaces.Interface.Interface.MODE_BOUNDARY: modestr = "Boundary"
+                        elif ifstat["mode"] == RNS.Interfaces.Interface.Interface.MODE_GATEWAY: modestr = "Gateway"
+                        else: modestr = "Full"
 
 
                         if ifstat["clients"] != None:
@@ -308,6 +455,9 @@ def program_setup(configdir, dispall=False, verbosity=0, name_filter=None, json=
 
                         print(" {n}".format(n=ifstat["name"]))
 
+                        if "autoconnect_source" in ifstat and ifstat["autoconnect_source"] != None:
+                            print("    Source    : Auto-connect via <{ns}>".format(ns=ifstat["autoconnect_source"]))
+
                         if "ifac_netname" in ifstat and ifstat["ifac_netname"] != None:
                             print("    Network   : {nn}".format(nn=ifstat["ifac_netname"]))
 
@@ -323,10 +473,32 @@ def program_setup(configdir, dispall=False, verbosity=0, name_filter=None, json=
                             print("    Rate      : {ss}".format(ss=speed_str(ifstat["bitrate"])))
 
                         if "noise_floor" in ifstat:
-                            if ifstat["noise_floor"] != None:
-                                print("    Noise Fl. : {nfl} dBm".format(nfl=str(ifstat["noise_floor"])))
+                            if not "interference" in ifstat: nstr = ""
                             else:
-                                print("    Noise Fl. : Unknown")
+                                nf = ifstat["interference"]
+                                lstr = ", no interference"
+                                if "interference_last_ts" in ifstat and "interference_last_dbm" in ifstat:
+                                    lago = time.time()-ifstat["interference_last_ts"]
+                                    ldbm = ifstat["interference_last_dbm"]
+                                    lstr = f"\n    Intrfrnc. : {ldbm} dBm {RNS.prettytime(lago, compact=True)} ago"
+
+
+                                nstr = f"\n    Intrfrnc. : {nf} dBm" if nf else lstr
+
+                            if ifstat["noise_floor"] != None: print("    Noise Fl. : {nfl} dBm{ntr}".format(nfl=str(ifstat["noise_floor"]), ntr=nstr))
+                            else: print("    Noise Fl. : Unknown")
+
+                        if "cpu_load" in ifstat:
+                            if ifstat["cpu_load"] != None: print("    CPU load  : {v} %".format(v=str(ifstat["cpu_load"])))
+                            else:                          print("    CPU load  : Unknown")
+
+                        if "cpu_temp" in ifstat:
+                            if ifstat["cpu_temp"] != None: print("    CPU temp  : {v}°C".format(v=str(ifstat["cpu_temp"])))
+                            else:                          print("    CPU load  : Unknown")
+
+                        if "mem_load" in ifstat:
+                            if ifstat["cpu_load"] != None: print("    Mem usage : {v} %".format(v=str(ifstat["mem_load"])))
+                            else:                          print("    Mem usage : Unknown")
 
                         if "battery_percent" in ifstat and ifstat["battery_percent"] != None:
                             try:
@@ -338,10 +510,22 @@ def program_setup(configdir, dispall=False, verbosity=0, name_filter=None, json=
 
                         if "airtime_short" in ifstat and "airtime_long" in ifstat:
                             print("    Airtime   : {ats}% (15s), {atl}% (1h)".format(ats=str(ifstat["airtime_short"]),atl=str(ifstat["airtime_long"])))
-                        
+                      
                         if "channel_load_short" in ifstat and "channel_load_long" in ifstat:
                             print("    Ch. Load  : {ats}% (15s), {atl}% (1h)".format(ats=str(ifstat["channel_load_short"]),atl=str(ifstat["channel_load_long"])))
 
+                        if "switch_id" in ifstat:
+                            if ifstat["switch_id"] != None: print("    Switch ID : {v}".format(v=str(ifstat["switch_id"])))
+                            else:                           print("    Switch ID : Unknown")
+
+                        if "endpoint_id" in ifstat:
+                            if ifstat["endpoint_id"] != None: print("    Endpoint  : {v}".format(v=str(ifstat["endpoint_id"])))
+                            else:                             print("    Endpoint  : Unknown")
+
+                        if "via_switch_id" in ifstat:
+                            if ifstat["via_switch_id"] != None: print("    Via       : {v}".format(v=str(ifstat["via_switch_id"])))
+                            else:                               print("    Via       : Unknown")
+
                         if "peers" in ifstat and ifstat["peers"] != None:
                             print("    Peers     : {np} reachable".format(np=ifstat["peers"]))
 
@@ -351,7 +535,7 @@ def program_setup(configdir, dispall=False, verbosity=0, name_filter=None, json=
                         if "ifac_signature" in ifstat and ifstat["ifac_signature"] != None:
                             sigstr = "<…"+RNS.hexrep(ifstat["ifac_signature"][-5:], delimit=False)+">"
                             print("    Access    : {nb}-bit IFAC by {sig}".format(nb=ifstat["ifac_size"]*8, sig=sigstr))
-                        
+                      
                         if "i2p_b32" in ifstat and ifstat["i2p_b32"] != None:
                             print("    I2P B32   : {ep}".format(ep=str(ifstat["i2p_b32"])))
 
@@ -361,32 +545,94 @@ def program_setup(configdir, dispall=False, verbosity=0, name_filter=None, json=
                                 print("    Queued    : {np} announce".format(np=aqn))
                             else:
                                 print("    Queued    : {np} announces".format(np=aqn))
-                        
+                      
                         if astats and "held_announces" in ifstat and ifstat["held_announces"] != None and ifstat["held_announces"] > 0:
                             aqn = ifstat["held_announces"]
                             if aqn == 1:
                                 print("    Held      : {np} announce".format(np=aqn))
                             else:
                                 print("    Held      : {np} announces".format(np=aqn))
-                        
-                        if astats and "incoming_announce_frequency" in ifstat and ifstat["incoming_announce_frequency"] != None:
-                            print("    Announces : {iaf}↑".format(iaf=RNS.prettyfrequency(ifstat["outgoing_announce_frequency"])))
-                            print("                {iaf}↓".format(iaf=RNS.prettyfrequency(ifstat["incoming_announce_frequency"])))
 
+                        art = None; arp = None; arg = None
+                        if astats and "announce_rate_target" in ifstat: art = ifstat["announce_rate_target"]
+                        if astats and "announce_rate_penalty" in ifstat: arp = ifstat["announce_rate_penalty"]
+                        if astats and "announce_rate_grace" in ifstat: arg = ifstat["announce_rate_grace"]
+                        if art and arp != None and arg: art_str = f"(t:{RNS.prettytime(art)}/p:{RNS.prettytime(arp)}/g:{arg})"
+                        elif art and arp != None:       art_str = f"(t:{RNS.prettytime(art)}/p:{RNS.prettytime(arp)})"
+                        elif art:                       art_str = f"(t:{RNS.prettytime(art)})"
+                        else:                           art_str = ""
+
+                        burst_str = ""
+                        if "burst_active" in ifstat and ifstat["burst_active"]:
+                            for_str = RNS.prettytime(time.time()-ifstat["burst_activated"])
+                            burst_str = f" burst for {for_str}"
+                      
+                        pburst_str = ""
+                        if "pr_burst_active" in ifstat and ifstat["pr_burst_active"]:
+                            for_str = RNS.prettytime(time.time()-ifstat["pr_burst_activated"])
+                            pburst_str = f"burst for {for_str}"
+                      
                         rxb_str = "↓"+RNS.prettysize(ifstat["rxb"])
                         txb_str = "↑"+RNS.prettysize(ifstat["txb"])
-                        strdiff = len(rxb_str)-len(txb_str)
-                        if strdiff > 0:
-                            txb_str += " "*strdiff
-                        elif strdiff < 0:
-                            rxb_str += " "*-strdiff
+                        
+                        asr = False
+                        if astats and "incoming_announce_frequency" in ifstat and ifstat["incoming_announce_frequency"] != None:
+                            oan = ifstat["outgoing_announce_frequency"]
+                            ian = ifstat["incoming_announce_frequency"]
+                            if name.startswith("Shared Instance[") and clients and clients > 0: oan = oan-(oan/clients) # Sub rnstatus own part
+                            oaf = RNS.prettyfrequency(oan, d=1, lpf=True)
+                            iaf = RNS.prettyfrequency(ian, d=1, lpf=True)
+
+                            cspec = "c"
+                            if clients == None and "peers" in ifstat and ifstat["peers"]: clients = ifstat["peers"]; cspec = "p"
+                            if clients != None and clients > 0: pc_str = f"{RNS.prettyfrequency(ifstat['outgoing_announce_frequency']/clients, d=1, lpf=True)}/{cspec}"
+                            else:                               pc_str = ""
+                            asr = True
+
+                        psr = False
+                        if pstats and "incoming_pr_frequency" in ifstat and ifstat["incoming_pr_frequency"] != None:
+                            opn = ifstat["outgoing_pr_frequency"]
+                            ipn = ifstat["incoming_pr_frequency"]
+                            if name.startswith("Shared Instance[") and clients and clients > 0: opn = opn-(opn/clients) # Sub rnstatus own part
+                            if astats:
+                                opf = "↑"+RNS.prettyfrequency(opn, d=1, lpf=True)
+                                ipf = "↓"+RNS.prettyfrequency(ipn, d=1, lpf=True)
+                            else:
+                                opf = RNS.prettyfrequency(opn,d=1, lpf=True)+"↑"
+                                ipf = RNS.prettyfrequency(ipn,d=1, lpf=True)+"↓"
+                            cspec = "c"
+                            if clients == None and "peers" in ifstat and ifstat["peers"]: clients = ifstat["peers"]; cspec = "p"
+                            if clients != None and clients > 0: rpc_str = f"{RNS.prettyfrequency(ifstat['outgoing_pr_frequency']/clients, d=1, lpf=True)}/{cspec}"
+                            else:                               rpc_str = ""
+                            psr = True
+
+                        if not asr: iaf = ""; oaf = ""
+                        if not psr: ipf = ""; opf = ""
+                        amlen    = max(len(iaf), len(oaf))
+                        iaf     += (amlen-len(iaf))*" "+"↓"
+                        oaf     += (amlen-len(oaf))*" "+"↑"
+                        mlen     = max(max(len(iaf), len(oaf), len(rxb_str), len(txb_str), len(ipf), len(opf)), 10)
+                        iaf     += (mlen-len(iaf))*" "
+                        oaf     += (mlen-len(oaf))*" "
+                        ipf     += (mlen-len(ipf))*" "
+                        opf     += (mlen-len(opf))*" "
+                        rxb_str += (mlen-len(rxb_str))*" "
+                        txb_str += (mlen-len(txb_str))*" "
+
+                        if psr:
+                            print(f"    Path Rqs. : {opf}  {rpc_str}")
+                            print(f"                {ipf}  {pburst_str}")
+
+                        if asr:
+                            print(f"    Announces : {oaf}  {pc_str}")
+                            print(f"                {iaf} {art_str}{burst_str}")
 
                         rxstat = rxb_str
                         txstat = txb_str
                         if "rxs" in ifstat and "txs" in ifstat:
                             rxstat += "  "+RNS.prettyspeed(ifstat["rxs"])
                             txstat += "  "+RNS.prettyspeed(ifstat["txs"])
-                        
+                      
                         print(f"    Traffic   : {txstat}\n                {rxstat}")
 
         lstr = ""
@@ -412,6 +658,8 @@ def program_setup(configdir, dispall=False, verbosity=0, name_filter=None, json=
 
         if "transport_id" in stats and stats["transport_id"] != None:
             print("\n Transport Instance "+RNS.prettyhexrep(stats["transport_id"])+" running")
+            if "network_id" in stats and stats["network_id"] != None:
+                print(" Network Identity   "+RNS.prettyhexrep(stats["network_id"]))
             if "probe_responder" in stats and stats["probe_responder"] != None:
                 print(" Probe responder at "+RNS.prettyhexrep(stats["probe_responder"])+ " active")
             if "transport_uptime" in stats and stats["transport_uptime"] != None:
@@ -421,7 +669,7 @@ def program_setup(configdir, dispall=False, verbosity=0, name_filter=None, json=
                 print(f"\n{lstr}")
 
         print("")
-                
+              
     else:
         if not remote:
             print("Could not get RNS status")
@@ -438,125 +686,72 @@ def main(must_exit=True, rns_instance=None):
         parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
         parser.add_argument("--version", action="version", version="rnstatus {version}".format(version=__version__))
 
-        parser.add_argument(
-            "-a",
-            "--all",
-            action="store_true",
-            help="show all interfaces",
-            default=False
-        )
-        
-        parser.add_argument(
-            "-A",
-            "--announce-stats",
-            action="store_true",
-            help="show announce stats",
-            default=False
-        )
-        
-        parser.add_argument(
-            "-l",
-            "--link-stats",
-            action="store_true",
-            help="show link stats",
-            default=False,
-        )
-        
-        parser.add_argument(
-            "-t",
-            "--totals",
-            action="store_true",
-            help="display traffic totals",
-            default=False,
-        )
-        
-        parser.add_argument(
-            "-s",
-            "--sort",
-            action="store",
-            help="sort interfaces by [rate, traffic, rx, tx, rxs, txs, announces, arx, atx, held]",
-            default=None,
-            type=str
-        )
-        
-        parser.add_argument(
-            "-r",
-            "--reverse",
-            action="store_true",
-            help="reverse sorting",
-            default=False,
-        )
-        
-        parser.add_argument(
-            "-j",
-            "--json",
-            action="store_true",
-            help="output in JSON format",
-            default=False
-        )
-
-        parser.add_argument(
-            "-R",
-            action="store",
-            metavar="hash",
-            help="transport identity hash of remote instance to get status from",
-            default=None,
-            type=str
-        )
-
-        parser.add_argument(
-            "-i",
-            action="store",
-            metavar="path",
-            help="path to identity used for remote management",
-            default=None,
-            type=str
-        )
-
-        parser.add_argument(
-            "-w",
-            action="store",
-            metavar="seconds",
-            type=float,
-            help="timeout before giving up on remote queries",
-            default=RNS.Transport.PATH_REQUEST_TIMEOUT
-        )
-
+        parser.add_argument("-a", "--all", action="store_true", help="show all interfaces", default=False)
+        parser.add_argument("-A", "--announce-stats", action="store_true", help="show announce stats", default=False)
+        parser.add_argument("-P", "--pr-stats", action="store_true", help="show path request stats", default=False)
+        parser.add_argument("-l", "--link-stats", action="store_true", help="show link stats", default=False)
+        parser.add_argument("-B", "--burst", action="store_true", help="only show interfaces with active bursts", default=False)
+        parser.add_argument("-t", "--totals", action="store_true", help="display traffic totals", default=False)
+        parser.add_argument("-s", "--sort", action="store", help="sort interfaces by [rate, traffic, rx, tx, rxs, txs, announces, arx, atx, prx, ptx, held]", default=None, type=str)
+        parser.add_argument("-r", "--reverse", action="store_true", help="reverse sorting", default=False)
+        parser.add_argument("-j", "--json", action="store_true", help="output in JSON format", default=False)
+        parser.add_argument("-R", action="store", metavar="hash", help="transport identity hash of remote instance to get status from", default=None, type=str)
+        parser.add_argument("-i", action="store", metavar="path", help="path to identity used for remote management", default=None, type=str)
+        parser.add_argument("-w", action="store", metavar="seconds", type=float, help="timeout before giving up on remote queries", default=RNS.Transport.PATH_REQUEST_TIMEOUT)
+        parser.add_argument("-d", "--discovered", action="store_true", help="list discovered interfaces", default=False)
+        parser.add_argument("-D",                 action="store_true", help="show details and config entries for discovered interfaces", default=False)
+        parser.add_argument("-m", "--monitor", action="store_true", help="continuously monitor status", default=False)
+        parser.add_argument("-I", "--monitor-interval", action="store", metavar="seconds", type=float, help="refresh interval for monitor mode (default: 1)", default=1.0)
         parser.add_argument('-v', '--verbose', action='count', default=0)
-
         parser.add_argument("filter", nargs="?", default=None, help="only display interfaces with names including filter", type=str)
-        
+      
         args = parser.parse_args()
 
-        if args.config:
-            configarg = args.config
-        else:
-            configarg = None
+        if args.config: configarg = args.config
+        else:           configarg = None
 
-        program_setup(
-            configdir = configarg,
-            dispall = args.all,
-            verbosity=args.verbose,
-            name_filter=args.filter,
-            json=args.json,
-            astats=args.announce_stats,
-            lstats=args.link_stats,
-            sorting=args.sort,
-            sort_reverse=args.reverse,
-            remote=args.R,
-            management_identity=args.i,
-            remote_timeout=args.w,
-            must_exit=must_exit,
-            rns_instance=rns_instance,
-            traffic_totals=args.totals,
-        )
+        if args.monitor:
+            if args.R: require_shared = False
+            else:      require_shared = True
+          
+            try: reticulum = RNS.Reticulum(configdir=configarg, loglevel=3+args.verbose, require_shared_instance=require_shared)
+            except Exception as e:
+                print("No shared RNS instance available to get status from")
+                exit(1)
+
+            while True:
+                st = time.time()
+                buffer = io.StringIO()
+                old_stdout = sys.stdout
+                sys.stdout = buffer
+              
+                try:
+                    program_setup(configdir = configarg, dispall = args.all, verbosity=args.verbose, name_filter=args.filter, json=args.json,
+                                  astats=args.announce_stats, pstats=args.pr_stats, lstats=args.link_stats, sorting=args.sort, sort_reverse=args.reverse,
+                                  remote=args.R, management_identity=args.i, remote_timeout=args.w, must_exit=False, rns_instance=reticulum,
+                                  traffic_totals=args.totals, discovered_interfaces=args.discovered, config_entries=args.D, burst_filter=args.burst)
+              
+                finally:
+                    sys.stdout = old_stdout
+              
+                output = buffer.getvalue()
+                print("\033[H\033[2J", end="")
+                print(output, end="", flush=True)
+
+                td = time.time()-st
+                sleeptime = max(args.monitor_interval-td, 0.2)
+                time.sleep(sleeptime)
+
+        else:
+            program_setup(configdir = configarg, dispall = args.all, verbosity=args.verbose, name_filter=args.filter, json=args.json,
+                          astats=args.announce_stats, pstats=args.pr_stats, lstats=args.link_stats, sorting=args.sort, sort_reverse=args.reverse,
+                          remote=args.R, management_identity=args.i, remote_timeout=args.w, must_exit=must_exit, rns_instance=rns_instance,
+                          traffic_totals=args.totals, discovered_interfaces=args.discovered, config_entries=args.D, burst_filter=args.burst)
 
     except KeyboardInterrupt:
         print("")
-        if must_exit:
-            exit()
-        else:
-            return
+        if must_exit: exit()
+        else: return
 
 def speed_str(num, suffix='bps'):
     units = ['','k','M','G','T','P','E','Z']

RNS/Utilities/rnx.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -83,7 +91,25 @@ def listen(configdir, identitypath = None, verbosity = 0, quietness = 0, allowed
                 except Exception as e:
                     print(str(e))
                     exit(1)
-
+        try:
+            allowed_file_name = "allowed_identities"
+            allowed_file = None
+            if os.path.isfile(os.path.expanduser("/etc/rnx/"+allowed_file_name)):
+                allowed_file = os.path.expanduser("/etc/rnx/"+allowed_file_name)
+            elif os.path.isfile(os.path.expanduser("~/.config/rnx/"+allowed_file_name)):
+                allowed_file = os.path.expanduser("~/.config/rnx/"+allowed_file_name)
+            elif os.path.isfile(os.path.expanduser("~/.rnx/"+allowed_file_name)):
+                allowed_file = os.path.expanduser("~/.rnx/"+allowed_file_name)
+            if allowed_file != None:
+                with open(allowed_file, "r") as af_handle:
+                    allowed_by_file = af_handle.read().replace("\r", "").split("\n")
+                    for allowed_ID in allowed_by_file:
+                        if len(allowed_ID) == (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2:
+                            allowed_identity_hashes.append(bytes.fromhex(allowed_ID))      
+        except Exception as e:
+            print(str(e))
+            exit(1)
+                    
     if len(allowed_identity_hashes) < 1 and not disable_auth:
         print("Warning: No allowed identities configured, rncx will not accept any commands!")
 

RNS/__init__.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -36,6 +44,7 @@ from .Link import Link, RequestReceipt
 from .Channel import MessageBase
 from .Buffer import Buffer, RawChannelReader, RawChannelWriter
 from .Transport import Transport
+from .Discovery import InterfaceAnnouncer
 from .Destination import Destination
 from .Packet import Packet
 from .Packet import PacketReceipt
@@ -85,22 +94,14 @@ _always_override_destination = False
 logging_lock = threading.Lock()
 
 def loglevelname(level):
-    if (level == LOG_CRITICAL):
-        return "[Critical]"
-    if (level == LOG_ERROR):
-        return "[Error]   "
-    if (level == LOG_WARNING):
-        return "[Warning] "
-    if (level == LOG_NOTICE):
-        return "[Notice]  "
-    if (level == LOG_INFO):
-        return "[Info]    "
-    if (level == LOG_VERBOSE):
-        return "[Verbose] "
-    if (level == LOG_DEBUG):
-        return "[Debug]   "
-    if (level == LOG_EXTREME):
-        return "[Extra]   "
+    if (level == LOG_CRITICAL): return "[Critical]"
+    if (level == LOG_ERROR):    return "[Error]   "
+    if (level == LOG_WARNING):  return "[Warning] "
+    if (level == LOG_NOTICE):   return "[Notice]  "
+    if (level == LOG_INFO):     return "[Info]    "
+    if (level == LOG_VERBOSE):  return "[Verbose] "
+    if (level == LOG_DEBUG):    return "[Debug]   "
+    if (level == LOG_EXTREME):  return "[Extra]   "
     
     return "Unknown"
 
@@ -118,34 +119,30 @@ def timestamp_str(time_s):
 def precise_timestamp_str(time_s):
     return datetime.datetime.now().strftime(logtimefmt_p)[:-3]
 
+def sl(level=3): return loglevel >= level
 def log(msg, level=3, _override_destination = False, pt=False):
     if loglevel == LOG_NONE: return
     global _always_override_destination, compact_log_fmt
     msg = str(msg)
     if loglevel >= level:
-        if pt:
-            logstring = "["+precise_timestamp_str(time.time())+"] "+loglevelname(level)+" "+msg
+        if pt: logstring = "["+precise_timestamp_str(time.time())+"] "+loglevelname(level)+" "+msg
         else:
-            if not compact_log_fmt:
-                logstring = "["+timestamp_str(time.time())+"] "+loglevelname(level)+" "+msg
-            else:
-                logstring = "["+timestamp_str(time.time())+"] "+msg
+            if not compact_log_fmt: logstring = "["+timestamp_str(time.time())+"] "+loglevelname(level)+" "+msg
+            else:                   logstring = "["+timestamp_str(time.time())+"] "+msg
 
         with logging_lock:
             if (logdest == LOG_STDOUT or _always_override_destination or _override_destination):
                 if not threading.main_thread().is_alive(): return
-                else: print(logstring)
+                else:
+                    try: print(logstring)
+                    except: pass
 
             elif (logdest == LOG_FILE and logfile != None):
                 try:
-                    file = open(logfile, "a")
-                    file.write(logstring+"\n")
-                    file.close()
-                    
+                    with open(logfile, "a") as file: file.write(logstring+"\n")
                     if os.path.getsize(logfile) > LOG_MAXSIZE:
                         prevfile = logfile+".1"
-                        if os.path.isfile(prevfile):
-                            os.unlink(prevfile)
+                        if os.path.isfile(prevfile): os.unlink(prevfile)
                         os.rename(logfile, prevfile)
 
                 except Exception as e:
@@ -155,8 +152,7 @@ def log(msg, level=3, _override_destination = False, pt=False):
                     log(msg, level)
 
             elif logdest == LOG_CALLBACK:
-                try:
-                    logcall(logstring)
+                try: logcall(logstring)
                 except Exception as e:
                     _always_override_destination = True
                     log("Exception occurred while calling external log handler: "+str(e), LOG_CRITICAL)
@@ -175,14 +171,11 @@ def trace_exception(e):
     log(exception_info, LOG_ERROR)
 
 def hexrep(data, delimit=True):
-    try:
-        iter(data)
-    except TypeError:
-        data = [data]
+    try: iter(data)
+    except TypeError: data = [data]
         
     delimiter = ":"
-    if not delimit:
-        delimiter = ""
+    if not delimit: delimiter = ""
     hexrep = delimiter.join("{:02x}".format(c) for c in data)
     return hexrep
 
@@ -205,22 +198,24 @@ def prettysize(num, suffix='B'):
 
     for unit in units:
         if abs(num) < 1000.0:
-            if unit == "":
-                return "%.0f %s%s" % (num, unit, suffix)
-            else:
-                return "%.2f %s%s" % (num, unit, suffix)
+            if unit == "": return "%.0f %s%s" % (num, unit, suffix)
+            else:          return "%.2f %s%s" % (num, unit, suffix)
         num /= 1000.0
 
     return "%.2f%s%s" % (num, last_unit, suffix)
 
-def prettyfrequency(hz, suffix="Hz"):
-    num = hz*1e6
-    units = ["µ", "m", "", "K","M","G","T","P","E","Z"]
+def prettyfrequency(hz, suffix="Hz", d=2, lpf=False):
+    if hz == 0: return "0 Hz"
+    if not lpf: num = hz*1e6
+    else:       num = hz
+    if not lpf: units = ["µ", "m", "", "K","M","G","T","P","E","Z"]
+    else:       units = ["", "K","M","G","T","P","E","Z"]
     last_unit = "Y"
 
     for unit in units:
         if abs(num) < 1000.0:
-            return "%.2f %s%s" % (num, unit, suffix)
+            if d == 2: return "%.2f %s%s" % (num, unit, suffix)
+            else:      return "%s %s%s" % (str(round(num,d)), unit, suffix)
         num /= 1000.0
 
     return "%.2f%s%s" % (num, last_unit, suffix)
@@ -235,8 +230,7 @@ def prettydistance(m, suffix="m"):
         if unit == "m": divisor = 10
         if unit == "c": divisor = 100
 
-        if abs(num) < divisor:
-            return "%.2f %s%s" % (num, unit, suffix)
+        if abs(num) < divisor: return "%.2f %s%s" % (num, unit, suffix)
         num /= divisor
 
     return "%.2f %s%s" % (num, last_unit, suffix)
@@ -253,10 +247,8 @@ def prettytime(time, verbose=False, compact=False):
     time %= 3600
     minutes = int(time // 60)
     time %= 60
-    if compact:
-        seconds = int(time)
-    else:
-        seconds = round(time, 2)
+    if compact: seconds = int(time)
+    else:       seconds = round(time, 2)
     
     ss = "" if seconds == 1 else "s"
     sm = "" if minutes == 1 else "s"
@@ -285,22 +277,16 @@ def prettytime(time, verbose=False, compact=False):
     tstr = ""
     for c in components:
         i += 1
-        if i == 1:
-            pass
-        elif i < len(components):
-            tstr += ", "
-        elif i == len(components):
-            tstr += " and "
+        if   i == 1: pass
+        elif i <  len(components): tstr += ", "
+        elif i == len(components): tstr += " and "
 
         tstr += c
 
-    if tstr == "":
-        return "0s"
+    if tstr == "": return "0s"
     else:
-        if not neg:
-            return tstr
-        else:
-            return f"-{tstr}"
+        if not neg: return tstr
+        else: return f"-{tstr}"
 
 def prettyshorttime(time, verbose=False, compact=False):
     neg = False
@@ -312,10 +298,8 @@ def prettyshorttime(time, verbose=False, compact=False):
     seconds = int(time // 1e6); time %= 1e6
     milliseconds = int(time // 1e3); time %= 1e3
 
-    if compact:
-        microseconds = int(time)
-    else:
-        microseconds = round(time, 2)
+    if compact: microseconds = int(time)
+    else:       microseconds = round(time, 2)
     
     ss = "" if seconds == 1 else "s"
     sms = "" if milliseconds == 1 else "s"
@@ -339,22 +323,16 @@ def prettyshorttime(time, verbose=False, compact=False):
     tstr = ""
     for c in components:
         i += 1
-        if i == 1:
-            pass
-        elif i < len(components):
-            tstr += ", "
-        elif i == len(components):
-            tstr += " and "
+        if   i == 1: pass
+        elif i <  len(components): tstr += ", "
+        elif i == len(components): tstr += " and "
 
         tstr += c
 
-    if tstr == "":
-        return "0us"
+    if tstr == "": return "0us"
     else:
-        if not neg:
-            return tstr
-        else:
-            return f"-{tstr}"
+        if not neg: return tstr
+        else:       return f"-{tstr}"
 
 def phyparams():
     print("Required Physical Layer MTU : "+str(Reticulum.MTU)+" bytes")
@@ -365,8 +343,7 @@ def phyparams():
     print("Link Public Key Size        : "+str(Link.ECPUBSIZE*8)+" bits")
     print("Link Private Key Size       : "+str(Link.KEYSIZE*8)+" bits")
 
-def panic():
-    os._exit(255)
+def panic(): os._exit(255)
 
 exit_called = False
 def exit(code=0):
@@ -376,6 +353,10 @@ def exit(code=0):
         Reticulum.exit_handler()
         os._exit(code)
 
+def _detach_stdout():
+    sys.stdout = open(os.devnull, "w")
+    sys.stderr = open(os.devnull, "w")
+
 class Profiler:
     _ran = False
     profilers = {}
@@ -383,8 +364,7 @@ class Profiler:
 
     @staticmethod
     def get_profiler(tag=None, super_tag=None):
-        if tag in Profiler.profilers:
-            return Profiler.profilers[tag]
+        if tag in Profiler.profilers: return Profiler.profilers[tag]
         else:
             profiler = Profiler(tag, super_tag)
             Profiler.profilers[tag] = profiler
@@ -396,13 +376,14 @@ class Profiler:
         self.pause_started = None
         self.tag = tag
         self.super_tag = super_tag
+
         if self.super_tag in Profiler.profilers:
             self.super_profiler = Profiler.profilers[self.super_tag]
             self.pause_super = self.super_profiler.pause
             self.resume_super = self.super_profiler.resume
+
         else:
-            def noop(self=None):
-                pass
+            def noop(self=None): pass
             self.super_profiler = None
             self.pause_super = noop
             self.resume_super = noop
@@ -412,8 +393,7 @@ class Profiler:
         tag = self.tag
         super_tag = self.super_tag
         thread_ident = threading.get_ident()
-        if not tag in Profiler.tags:
-            Profiler.tags[tag] = {"threads": {}, "super": super_tag}
+        if not tag in Profiler.tags: Profiler.tags[tag] = {"threads": {}, "super": super_tag}
         if not thread_ident in Profiler.tags[tag]["threads"]:
             Profiler.tags[tag]["threads"][thread_ident] = {"current_start": None, "captures": []}
 
@@ -449,8 +429,7 @@ class Profiler:
             self.resume_super()
 
     @staticmethod
-    def ran():
-        return Profiler._ran
+    def ran(): return Profiler._ran
 
     @staticmethod
     def results():
@@ -467,41 +446,35 @@ class Profiler:
                 sample_count = len(thread_captures)
                 
                 if sample_count > 1:
-                    thread_results = {
-                        "count": sample_count,
-                        "mean": mean(thread_captures),
-                        "median": median(thread_captures),
-                        "stdev": stdev(thread_captures)
-                    }
+                    thread_results = { "count": sample_count,
+                                       "mean": mean(thread_captures),
+                                       "median": median(thread_captures),
+                                       "stdev": stdev(thread_captures) }
+                
                 elif sample_count == 1:
-                    thread_results = {
-                        "count": sample_count,
-                        "mean": mean(thread_captures),
-                        "median": median(thread_captures),
-                        "stdev": None
-                    }
+                    thread_results = { "count": sample_count,
+                                       "mean": mean(thread_captures),
+                                       "median": median(thread_captures),
+                                       "stdev": None }
 
                 tag_captures.extend(thread_captures)
 
             sample_count = len(tag_captures)
             if sample_count > 1:
-                tag_results = {
-                    "name": tag,
-                    "super": tag_entry["super"],
-                    "count": len(tag_captures),
-                    "mean": mean(tag_captures),
-                    "median": median(tag_captures),
-                    "stdev": stdev(tag_captures)
-                }
+                tag_results = { "name": tag,
+                                "super": tag_entry["super"],
+                                "count": len(tag_captures),
+                                "mean": mean(tag_captures),
+                                "median": median(tag_captures),
+                                "stdev": stdev(tag_captures) }
+            
             elif sample_count == 1:
-                tag_results = {
-                    "name": tag,
-                    "super": tag_entry["super"],
-                    "count": len(tag_captures),
-                    "mean": mean(tag_captures),
-                    "median": median(tag_captures),
-                    "stdev": None
-                }
+                tag_results = { "name": tag,
+                                "super": tag_entry["super"],
+                                "count": len(tag_captures),
+                                "mean": mean(tag_captures),
+                                "median": median(tag_captures),
+                                "stdev": None }
 
             results[tag] = tag_results
 
@@ -533,4 +506,51 @@ class Profiler:
             if tag["super"] == None:
                 print_results_recursive(tag, results)
 
-profile = Profiler.get_profiler
+profile = Profiler.get_profiler
+
+# The base-256 table is likely to change. Currently, it is just
+# experimental, so don't count on it too much just yet.
+b256 = [
+# 0   1   2   3   4   5   6   7   8   9   A   B   C   D   F   F
+ "a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p",  # 0x0 Latin & numerals
+ "q","r","s","t","u","v","x","y","z","æ","ø","0","1","2","3","4",  # 0x1 Latin & numerals
+ "A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P",  # 0x2 Latin & numerals
+ "Q","R","S","T","U","W","X","Y","Z","Æ","Ø","5","6","7","8","9",  # 0x3 Latin & numerals
+ "α","β","γ","δ","ε","ζ","η","θ","ι","κ","λ","μ","ν","ξ","π","ρ",  # 0x4 Greek
+ "σ","τ","φ","χ","ψ","ω","Γ","Δ","Θ","Λ","Ξ","Π","Σ","Φ","Ψ","Ω",  # 0x5 Greek
+ "Б","Д","Ж","З","И","Л","П","Ц","Ч","Ш","Щ","Ъ","Ы","Э","Ю","Я",  # 0x6 Cyrillic
+ "б","д","ж","з","и","л","п","ц","ч","ш","щ","ъ","ы","э","ю","я",  # 0x7 Cyrillic
+ "Ա","Բ","Գ","Դ","Ե","Զ","Է","Ը","Թ","Ժ","Ի","Խ","Ծ","Կ","Հ","Ձ",  # 0x8 Armenian Capitals
+ "Ղ","Ճ","Մ","Յ","Ն","Շ","Ո","Չ","Պ","Ջ","Վ","Ր","Ց","Ւ","Ք","Ֆ",  # 0x9 Armenian Captials
+ "ᚠ","ᚢ","ᚦ","ᚱ","ᚹ","ᚺ","ᚾ","ᛈ","ᛇ","ᛉ","ᛊ","ᛏ","ᛒ","ᛖ","ᛗ","ᛟ",   # 0xA Elder Futhark
+ "ｲ","ｳ","ｵ","ｶ","ｷ","ｹ","ｻ","ｼ","ｽ","ｾ","ﾀ","ﾁ","ﾃ","ﾄ","ﾅ","ﾇ",     # 0xB Katakana
+ "ﾈ","ﾋ","ﾌ","ﾍ","ﾎ","ﾏ","ﾐ","ﾑ","ﾒ","ﾓ","ﾔ","ﾗ","ﾘ","ﾙ","ﾚ","ﾜ",     # 0xC Katakana
+ "𐑐","𐑑","𐑒","𐑔","𐑕","𐑗","𐑙","𐑳","𐑶","𐑸","𐑹","𐑺","𐑻","𐑽","𐑾","𐑿",    # 0xD Shavian
+ "᱑","᱕","᱘","᱙","ᱚ","ᱝ","ᱟ","ᱣ","ᱦ","ᱨ","ᱬ","ᱭ","ᱰ","ᱳ","ᱶ","ᱷ", # 0xE Ol Chiki
+ "𐌳","𐌸","𐌾","𐐀","𐐁","𐐂","𐐆","𐐇","𐐈","𐐉","𐐊","𐐋","𐐌","𐐍","𐐎","𐐏", # 0xF Gothic & Deseret
+]
+
+def b256rep(data):       return "".join(bytes_to_b256(data))
+def prettyb256rep(data): return f"<{b256rep(data)}>"
+
+def b256_to_byte(point):
+    if not type(point) == str or not len(point) == 1: raise TypeError("Invalid input data for base256 byte decode")
+    try: return b256.index(point)
+    except Exception as e: raise ValueError(f"Could not decode base256 byte: {e}")
+
+def b256_to_bytes(b256rep):
+    if not type(b256rep) == str: raise TypeError("Invalid input data for base256 decode")
+    try: return bytes([b256.index(c) for c in b256rep])
+    except Exception as e: raise ValueError(f"Could not decode base256: {e}")
+
+def byte_to_b256(input_byte):
+    if type(input_byte) == bytes and not len(input_byte) == 1: TypeError("Invalid input data for base256 byte encode")
+    if type(input_byte) == bytes and len(input_byte) == 1: input_byte = ord(input_byte)
+    if not type(input_byte) == int: raise TypeError("Invalid input data for base256 byte encode")
+    try: return b256[int(input_byte)]
+    except Exception as e: raise TypeError(f"Could not encode byte to base256: {e}")
+
+def bytes_to_b256(data):
+    if not type(data) == bytes: raise TypeError("Invalid input data for base256 encode")
+    try: return [byte_to_b256(c) for c in data]
+    except Exception as e: raise TypeError(f"Could not encode to base256: {e}")

RNS/_version.py

@@ -1 +1 @@
-__version__ = "0.9.4"
+__version__ = "1.3.0"

RNS/vendor/platformutils.py

@@ -1,3 +1,33 @@
+# Reticulum License
+#
+# Copyright (c) 2016-2025 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
 def get_platform():
     from os import environ
     if "ANDROID_ARGUMENT" in environ: return "android"

RNS/vendor/validate.py

@@ -0,0 +1,537 @@
+# validate.py
+# -*- coding: utf-8 -*-
+# pylint: disable=
+#
+# A Validator object.
+#
+# Copyright (C) 2005-2014:
+# (name) : (email)
+# Michael Foord: fuzzyman AT voidspace DOT org DOT uk
+# Mark Andrews: mark AT la-la DOT com
+# Nicola Larosa: nico AT tekNico DOT net
+# Rob Dennis: rdennis AT gmail DOT com
+# Eli Courtwright: eli AT courtwright DOT org
+
+# This software is licensed under the terms of the BSD license.
+# http://opensource.org/licenses/BSD-3-Clause
+
+# ConfigObj 5 - main repository for documentation and issue tracking:
+# https://github.com/DiffSK/configobj
+
+import re
+import sys
+from pprint import pprint
+
+__version__ = '1.0.1'
+
+__all__ = (
+    'dottedQuadToNum',
+    'numToDottedQuad',
+    'ValidateError',
+    'VdtUnknownCheckError',
+    'VdtParamError',
+    'VdtTypeError',
+    'VdtValueError',
+    'VdtValueTooSmallError',
+    'VdtValueTooBigError',
+    'VdtValueTooShortError',
+    'VdtValueTooLongError',
+    'VdtMissingValue',
+    'Validator',
+    'is_integer',
+    'is_float',
+    'is_boolean',
+    'is_list',
+    'is_tuple',
+    'is_ip_addr',
+    'is_string',
+    'is_int_list',
+    'is_bool_list',
+    'is_float_list',
+    'is_string_list',
+    'is_ip_addr_list',
+    'is_mixed_list',
+    'is_option',
+)
+
+_list_arg = re.compile(r'''
+    (?:
+        ([a-zA-Z_][a-zA-Z0-9_]*)\s*=\s*list\(
+            (
+                (?:
+                    \s*
+                    (?:
+                        (?:".*?")|              # double quotes
+                        (?:'.*?')|              # single quotes
+                        (?:[^'",\s\)][^,\)]*?)  # unquoted
+                    )
+                    \s*,\s*
+                )*
+                (?:
+                    (?:".*?")|              # double quotes
+                    (?:'.*?')|              # single quotes
+                    (?:[^'",\s\)][^,\)]*?)  # unquoted
+                )?                          # last one
+            )
+        \)
+    )
+''', re.VERBOSE | re.DOTALL)    # two groups
+
+_list_members = re.compile(r'''
+    (
+        (?:".*?")|              # double quotes
+        (?:'.*?')|              # single quotes
+        (?:[^'",\s=][^,=]*?)       # unquoted
+    )
+    (?:
+    (?:\s*,\s*)|(?:\s*$)            # comma
+    )
+''', re.VERBOSE | re.DOTALL)    # one group
+
+_paramstring = r'''
+    (?:
+        (
+            (?:
+                [a-zA-Z_][a-zA-Z0-9_]*\s*=\s*list\(
+                    (?:
+                        \s*
+                        (?:
+                            (?:".*?")|              # double quotes
+                            (?:'.*?')|              # single quotes
+                            (?:[^'",\s\)][^,\)]*?)       # unquoted
+                        )
+                        \s*,\s*
+                    )*
+                    (?:
+                        (?:".*?")|              # double quotes
+                        (?:'.*?')|              # single quotes
+                        (?:[^'",\s\)][^,\)]*?)       # unquoted
+                    )?                              # last one
+                \)
+            )|
+            (?:
+                (?:".*?")|              # double quotes
+                (?:'.*?')|              # single quotes
+                (?:[^'",\s=][^,=]*?)|       # unquoted
+                (?:                         # keyword argument
+                    [a-zA-Z_][a-zA-Z0-9_]*\s*=\s*
+                    (?:
+                        (?:".*?")|              # double quotes
+                        (?:'.*?')|              # single quotes
+                        (?:[^'",\s=][^,=]*?)       # unquoted
+                    )
+                )
+            )
+        )
+        (?:
+            (?:\s*,\s*)|(?:\s*$)            # comma
+        )
+    )
+    '''
+
+_matchstring = '^%s*' % _paramstring
+
+def dottedQuadToNum(ip):
+    # import here to avoid it when ip_addr values are not used
+    import socket, struct
+
+    try:
+        return struct.unpack('!L',
+            socket.inet_aton(ip.strip()))[0]
+    except socket.error:
+        raise ValueError('Not a good dotted-quad IP: %s' % ip)
+    return
+
+def numToDottedQuad(num):
+    # import here to avoid it when ip_addr values are not used
+    import socket, struct
+
+    # no need to intercept here, 4294967295L is fine
+    if num > int(4294967295) or num < 0:
+        raise ValueError('Not a good numeric IP: %s' % num)
+    try:
+        return socket.inet_ntoa(
+            struct.pack('!L', int(num)))
+    except (socket.error, struct.error, OverflowError):
+        raise ValueError('Not a good numeric IP: %s' % num)
+
+class ValidateError(Exception):
+    """
+    This error indicates that the check failed.
+    It can be the base class for more specific errors.
+    """
+
+class VdtMissingValue(ValidateError):
+    """No value was supplied to a check that needed one."""
+
+class VdtUnknownCheckError(ValidateError):
+    def __init__(self, value):
+        ValidateError.__init__(self, 'the check "{}" is unknown.'.format(value))
+
+
+class VdtParamError(SyntaxError):
+    NOT_GIVEN = object()
+
+    def __init__(self, name_or_msg, value=NOT_GIVEN):
+        if value is self.NOT_GIVEN:
+            SyntaxError.__init__(self, name_or_msg)
+        else:
+            SyntaxError.__init__(self, 'passed an incorrect value "{}" for parameter "{}".'.format(value, name_or_msg))
+
+
+class VdtTypeError(ValidateError):
+    def __init__(self, value):
+        ValidateError.__init__(self, 'the value "{}" is of the wrong type.'.format(value))
+
+
+class VdtValueError(ValidateError):
+    def __init__(self, value):
+        ValidateError.__init__(self, 'the value "{}" is unacceptable.'.format(value))
+
+
+class VdtValueTooSmallError(VdtValueError):
+    def __init__(self, value):
+        ValidateError.__init__(self, 'the value "{}" is too small.'.format(value))
+
+
+class VdtValueTooBigError(VdtValueError):
+    def __init__(self, value):
+        ValidateError.__init__(self, 'the value "{}" is too big.'.format(value))
+
+
+class VdtValueTooShortError(VdtValueError):
+    def __init__(self, value):
+        ValidateError.__init__(
+            self,
+            'the value "{}" is too short.'.format(value))
+
+class VdtValueTooLongError(VdtValueError):
+    def __init__(self, value):
+        ValidateError.__init__(self, 'the value "{}" is too long.'.format(value))
+
+class Validator(object):
+    # this regex does the initial parsing of the checks
+    _func_re = re.compile(r'([^\(\)]+?)\((.*)\)', re.DOTALL)
+
+    # this regex takes apart keyword arguments
+    _key_arg = re.compile(r'^([a-zA-Z_][a-zA-Z0-9_]*)\s*=\s*(.*)$',  re.DOTALL)
+
+
+    # this regex finds keyword=list(....) type values
+    _list_arg = _list_arg
+
+    # this regex takes individual values out of lists - in one pass
+    _list_members = _list_members
+
+    # These regexes check a set of arguments for validity
+    # and then pull the members out
+    _paramfinder = re.compile(_paramstring, re.VERBOSE | re.DOTALL)
+    _matchfinder = re.compile(_matchstring, re.VERBOSE | re.DOTALL)
+
+    def __init__(self, functions=None):
+        self.functions = {
+            '': self._pass,
+            'integer': is_integer,
+            'float': is_float,
+            'boolean': is_boolean,
+            'ip_addr': is_ip_addr,
+            'string': is_string,
+            'list': is_list,
+            'tuple': is_tuple,
+            'int_list': is_int_list,
+            'float_list': is_float_list,
+            'bool_list': is_bool_list,
+            'ip_addr_list': is_ip_addr_list,
+            'string_list': is_string_list,
+            'mixed_list': is_mixed_list,
+            'pass': self._pass,
+            'option': is_option,
+            'force_list': force_list,
+        }
+        if functions is not None:
+            self.functions.update(functions)
+        # tekNico: for use by ConfigObj
+        self.baseErrorClass = ValidateError
+        self._cache = {}
+
+    def check(self, check, value, missing=False):
+        fun_name, fun_args, fun_kwargs, default = self._parse_with_caching(check)
+
+        if missing:
+            if default is None:
+                # no information needed here - to be handled by caller
+                raise VdtMissingValue()
+            value = self._handle_none(default)
+
+        if value is None:
+            return None
+
+        return self._check_value(value, fun_name, fun_args, fun_kwargs)
+
+    def _handle_none(self, value):
+        if value == 'None':
+            return None
+        elif value in ("'None'", '"None"'):
+            # Special case a quoted None
+            value = self._unquote(value)
+        return value
+
+    def _parse_with_caching(self, check):
+        if check in self._cache:
+            fun_name, fun_args, fun_kwargs, default = self._cache[check]
+            # We call list and dict below to work with *copies* of the data
+            # rather than the original (which are mutable of course)
+            fun_args = list(fun_args)
+            fun_kwargs = dict(fun_kwargs)
+        else:
+            fun_name, fun_args, fun_kwargs, default = self._parse_check(check)
+            fun_kwargs = {str(key): value for (key, value) in list(fun_kwargs.items())}
+            self._cache[check] = fun_name, list(fun_args), dict(fun_kwargs), default
+        return fun_name, fun_args, fun_kwargs, default
+
+    def _check_value(self, value, fun_name, fun_args, fun_kwargs):
+        try:
+            fun = self.functions[fun_name]
+        except KeyError:
+            raise VdtUnknownCheckError(fun_name)
+        else:
+            return fun(value, *fun_args, **fun_kwargs)
+
+    def _parse_check(self, check):
+        fun_match = self._func_re.match(check)
+        if fun_match:
+            fun_name = fun_match.group(1)
+            arg_string = fun_match.group(2)
+            arg_match = self._matchfinder.match(arg_string)
+            if arg_match is None:
+                # Bad syntax
+                raise VdtParamError('Bad syntax in check "%s".' % check)
+            fun_args = []
+            fun_kwargs = {}
+            # pull out args of group 2
+            for arg in self._paramfinder.findall(arg_string):
+                # args may need whitespace removing (before removing quotes)
+                arg = arg.strip()
+                listmatch = self._list_arg.match(arg)
+                if listmatch:
+                    key, val = self._list_handle(listmatch)
+                    fun_kwargs[key] = val
+                    continue
+                keymatch = self._key_arg.match(arg)
+                if keymatch:
+                    val = keymatch.group(2)
+                    if not val in ("'None'", '"None"'):
+                        # Special case a quoted None
+                        val = self._unquote(val)
+                    fun_kwargs[keymatch.group(1)] = val
+                    continue
+
+                fun_args.append(self._unquote(arg))
+        else:
+            # allows for function names without (args)
+            return check, (), {}, None
+
+        # Default must be deleted if the value is specified too,
+        # otherwise the check function will get a spurious "default" keyword arg
+        default = fun_kwargs.pop('default', None)
+        return fun_name, fun_args, fun_kwargs, default
+
+    def _unquote(self, val):
+        if (len(val) >= 2) and (val[0] in ("'", '"')) and (val[0] == val[-1]):
+            val = val[1:-1]
+        return val
+
+    def _list_handle(self, listmatch):
+        out = []
+        name = listmatch.group(1)
+        args = listmatch.group(2)
+        for arg in self._list_members.findall(args):
+            out.append(self._unquote(arg))
+        return name, out
+
+    def _pass(self, value):
+        return value
+
+    def get_default_value(self, check):
+        fun_name, fun_args, fun_kwargs, default = self._parse_with_caching(check)
+        if default is None:
+            raise KeyError('Check "%s" has no default value.' % check)
+        value = self._handle_none(default)
+        if value is None:
+            return value
+        return self._check_value(value, fun_name, fun_args, fun_kwargs)
+
+def _is_num_param(names, values, to_float=False):
+    fun = to_float and float or int
+    out_params = []
+    for (name, val) in zip(names, values):
+        if val is None:
+            out_params.append(val)
+        elif isinstance(val, (int, float, str)):
+            try:
+                out_params.append(fun(val))
+            except ValueError:
+                raise VdtParamError(name, val)
+        else:
+            raise VdtParamError(name, val)
+    return out_params
+
+# built in checks
+# you can override these by setting the appropriate name
+# in Validator.functions
+# note: if the params are specified wrongly in your input string,
+#       you will also raise errors.
+def is_integer(value, min=None, max=None):
+    (min_val, max_val) = _is_num_param(  # pylint: disable=unbalanced-tuple-unpacking
+        ('min', 'max'), (min, max))
+    if not isinstance(value, (int, str)):
+        raise VdtTypeError(value)
+    if isinstance(value, str):
+        # if it's a string - does it represent an integer ?
+        try:
+            value = int(value)
+        except ValueError:
+            raise VdtTypeError(value)
+    if (min_val is not None) and (value < min_val):
+        raise VdtValueTooSmallError(value)
+    if (max_val is not None) and (value > max_val):
+        raise VdtValueTooBigError(value)
+    return value
+
+
+def is_float(value, min=None, max=None):
+    (min_val, max_val) = _is_num_param(
+        ('min', 'max'), (min, max), to_float=True)
+    if not isinstance(value, (int, float, str)):
+        raise VdtTypeError(value)
+    if not isinstance(value, float):
+        # if it's a string - does it represent a float ?
+        try:
+            value = float(value)
+        except ValueError:
+            raise VdtTypeError(value)
+    if (min_val is not None) and (value < min_val):
+        raise VdtValueTooSmallError(value)
+    if (max_val is not None) and (value > max_val):
+        raise VdtValueTooBigError(value)
+    return value
+
+bool_dict = {
+    True: True, 'on': True, '1': True, 'true': True, 'yes': True,
+    False: False, 'off': False, '0': False, 'false': False, 'no': False,
+}
+
+def is_boolean(value):
+    if isinstance(value, str):
+        try:
+            return bool_dict[value.lower()]
+        except KeyError:
+            raise VdtTypeError(value)
+    # we do an equality test rather than an identity test
+    # this ensures Python 2.2 compatibility
+    # and allows 0 and 1 to represent True and False
+    if value == False:
+        return False
+    elif value == True:
+        return True
+    else:
+        raise VdtTypeError(value)
+
+
+def is_ip_addr(value):
+    if not isinstance(value, str):
+        raise VdtTypeError(value)
+    value = value.strip()
+    try:
+        dottedQuadToNum(value)
+    except ValueError:
+        raise VdtValueError(value)
+    return value
+
+
+def is_list(value, min=None, max=None):
+    (min_len, max_len) = _is_num_param(  # pylint: disable=unbalanced-tuple-unpacking
+        ('min', 'max'), (min, max))
+    if isinstance(value, str):
+        raise VdtTypeError(value)
+    try:
+        num_members = len(value)
+    except TypeError:
+        raise VdtTypeError(value)
+    if min_len is not None and num_members < min_len:
+        raise VdtValueTooShortError(value)
+    if max_len is not None and num_members > max_len:
+        raise VdtValueTooLongError(value)
+    return list(value)
+
+
+def is_tuple(value, min=None, max=None):
+    return tuple(is_list(value, min, max))
+
+def is_string(value, min=None, max=None):
+    if not isinstance(value, str):
+        raise VdtTypeError(value)
+    (min_len, max_len) = _is_num_param(
+        ('min', 'max'), (min, max))
+    try:
+        num_members = len(value)
+    except TypeError:
+        raise VdtTypeError(value)
+    if min_len is not None and num_members < min_len:
+        raise VdtValueTooShortError(value)
+    if max_len is not None and num_members > max_len:
+        raise VdtValueTooLongError(value)
+    return value
+
+
+def is_int_list(value, min=None, max=None):
+    return [is_integer(mem) for mem in is_list(value, min, max)]
+
+def is_bool_list(value, min=None, max=None):
+    return [is_boolean(mem) for mem in is_list(value, min, max)]
+
+def is_float_list(value, min=None, max=None):
+    return [is_float(mem) for mem in is_list(value, min, max)]
+
+def is_string_list(value, min=None, max=None):
+    if isinstance(value, str):
+        raise VdtTypeError(value)
+    return [is_string(mem) for mem in is_list(value, min, max)]
+
+def is_ip_addr_list(value, min=None, max=None):
+    return [is_ip_addr(mem) for mem in is_list(value, min, max)]
+
+def force_list(value, min=None, max=None):
+    if not isinstance(value, (list, tuple)):
+        value = [value]
+    return is_list(value, min, max)
+
+fun_dict = {
+    int: is_integer,
+    'int': is_integer,
+    'integer': is_integer,
+    float: is_float,
+    'float': is_float,
+    'ip_addr': is_ip_addr,
+    str: is_string,
+    'str': is_string,
+    'string': is_string,
+    bool: is_boolean,
+    'bool': is_boolean,
+    'boolean': is_boolean,
+}
+
+def is_mixed_list(value, *args):
+    try: length = len(value)
+    except TypeError: raise VdtTypeError(value)
+    if length < len(args): raise VdtValueTooShortError(value)
+    elif length > len(args): raise VdtValueTooLongError(value)
+    try: return [fun_dict[arg](val) for arg, val in zip(args, value)]
+    except KeyError as cause: raise VdtParamError('mixed_list', cause)
+
+
+def is_option(value, *options):
+    if not isinstance(value, str): raise VdtTypeError(value)
+    if not value in options: raise VdtValueError(value)
+    return value
+

Roadmap.md

@@ -14,18 +14,6 @@ This document outlines the currently established development roadmap for Reticul
 ## Currently Active Work Areas
 For each release cycle of Reticulum, improvements and additions from the five [Primary Efforts](#primary-efforts) are selected as active work areas, and can be expected to be included in the upcoming releases within that cycle. While not entirely set in stone for each release cycle, they serve as a pointer of what to expect in the near future.
 
-- The current `0.8.x` release cycle aims at completing
-  - [ ] Hot-pluggable interface system
-  - [ ] External interface plugins
-  - [ ] Network-wide path balancing and multi-pathing
-  - [ ] Expanded hardware support
-  - [ ] Overhauling and updating the documentation
-  - [ ] Distributed Destination Naming System
-  - [ ] A standalone RNS Daemon app for Android
-  - [ ] Addding automatic retries to all use cases of the `Request` API
-  - [ ] Performance and memory optimisations of the Python reference implementation
-  - [ ] Fixing bugs discovered while operating Reticulum systems and applications
-
 ## Primary Efforts
 The development path for Reticulum is currently laid out in five distinct areas: *Comprehensibility*, *Universality*, *Functionality*, *Usability & Utility* and *Interfaceability*. Conceptualising the development of Reticulum into these areas serves to advance the implementation and work towards the Foundational Goals & Values of Reticulum.
 
@@ -50,17 +38,14 @@ These efforts are aimed at improving the ease of which Reticulum is understood,
 ### Universality
 These efforts seek to broaden the universality of the Reticulum software and hardware ecosystem by continously diversifying platform support, and by improving the overall availability and ease of deployment of the Reticulum stack.
 
-- OpenWRT support
 - Create a standalone RNS Daemon app for Android
 - A lightweight and portable C implementation for microcontrollers, µRNS
 - A portable, high-performance Reticulum implementation in C/C++, see [#21](https://github.com/markqvist/Reticulum/discussions/21)
-- Performance and memory optimisations of the Python implementation
 - Bindings for other programming languages
 
 ### Functionality
 These efforts aim to expand and improve the core functionality and reliability of Reticulum.
 
-- Add support for user-supplied external interface drivers
 - Add interface hot-plug and live up/down control to running instances
 - Add automatic retries to all use cases of the `Request` API
 - Network-wide path balancing
@@ -70,11 +55,11 @@ These efforts aim to expand and improve the core functionality and reliability o
 - [Metric-based path selection and multiple paths](https://github.com/markqvist/Reticulum/discussions/86)
 
 ### Usability & Utility
-These effors seek to make Reticulum easier to use and operate, and to expand the utility of the stack on deployed systems.
+These efforts seek to make Reticulum easier to use and operate, and to expand the utility of the stack on deployed systems.
 
 - Easy way to share interface configurations, see [#19](https://github.com/markqvist/Reticulum/discussions/19)
-- Transit traffic display in rnstatus
-- rnsconfig utility
+- Transit traffic display in `rnstatus`
+- `rnsconfig` utility
 
 ### Interfaceability
 These efforts aim to expand the types of physical and virtual interfaces that Reticulum can natively use to transport data.

This Is Not a Teahouse.md

@@ -0,0 +1,68 @@
+Recently, and mostly from people who I've never seen before, the opinions about how this project should be run has started flooding in again. In a recent forum thread of such opinions, specifically about:
+
+- The decision to no longer mirror release notes on GitHub.
+- Some people feeling there were too many "barriers to entry" to joining RNS development.
+- The project not really being "open source" because random strangers couldn't just "contribute".
+
+Joakim posted some very relevant observations about how Reticulum operates, along with the following quote:
+
+> The modern industrial system has a built-in tendency to grow; it cannot really work unless it is growing. The word “stability” has been struck from its dictionary and replaced by “stagnation”. Its continuous growth pursues no particular aims or objectives: it is growth for the sake of growing. No one even enquires after its final shape. There is none; there is no “saturation point”.
+
+That E. F. Schumacher quote perfectly illustrates the ontological schism that makes it so tiresome to deal with stuff like this.
+
+There is, in this day and age, between different people, widely different base conceptual integrations of what "open source" means. For many people, "open source" has become synonymous **not** with skilled people working together in a coordinated and careful way on complex engineering challenges, but a sort of growth- and attention-focused "free-for-all" *behavioral* codex that must be followed above all else; a *social* modus operandi of fake inclusivity where everyone "should have their voice heard", and adherence to that specific process is weighed much higher than the final results.
+
+I do not subscribe to, and consequently do not operate the Reticulum project under *any* versions of that idea.
+
+**Here's the statistical, boring reality:**
+
+- Around 90% of pull requests and "recommendations" I received when people could just submit stuff via GitHub would
+   have *severely* broken things, introduced bugs or security issues, created roadblocks for future work, or otherwise
+   damaged the software. Usually just for the sake of satisfying a random newcomers "idea" or personal preference.
+
+- Similarly, around 90% "bug reports" were actually people asking for help, because of having failed to read even the
+   most basic parts of the documentation.
+
+- The people with the least amount of understanding, skill and effort invested tend to be loudest and most vocal. When
+   all you have is "opinions", those are iterated upon ad infinitum, apparently.
+
+Can you imagine how much time that wasted? Can you imagine what we could have accomplished with that time instead?
+
+The only thing that this creates is *noise* and confusion. Clogging up the mental and physical workspaces, of people who are actually investing time and effort on the project with stuff like that is objectively just taking time that could have been used on development, and replacing it with *nothing*.
+
+I was receiving *actual* bug reports, pull requests, proper technical investigations and patches via methods outside GitHub and "public" internet-based channels *way* before GitHub interaction and similar was closed down. That was were almost *all* of the real contributions were coming from, anyway. Apparently, and not unsurprisingly, the people who has invested the time and effort to understand Reticulum also prefer to collaborate in this way. Since leaving the GitHub madhouse behind, the signal-to-noise ratio has **significantly** increased.
+
+Managing a public "issue" tracker with global read/write access is a futile and useless endeavor. Consider this:
+
+- User A reports a "bug" that is really just a failure of understanding.
+- User B sees this and seconds is, proposing a "fix" that in continued failure of understanding would actually break functionality X.
+- User C joins the bandwagon and asks why this hasn't already been implemented like that? It's obvious!
+
+The sensible response here from the developer is closing the issue with "No. Go RTFM". Today, though, this usually results in hurt feelings, animosity towards the developer and in some cases (as experienced and documented in the case of RNS), months of perfidious personal vendetta against the developer for being so brazen as to suggest the user was wrong and wasting people's time.
+
+When this pattern repeats, over and over, the only sensible, measured and constructive course of action is to shrug your shoulders and say:
+
+*"This system is fundamentally broken. It ain't working. I can give up here, or I can go build something better that has a chance of working."*
+
+So, now it's your turn. Go look at the diffs for the last six months. What does it look like I have been doing?
+
+But I will be damned straight with you all, and say that part of that solution is **absolutely** to erect barriers to entry. You can fucking bet your arse on that. I don't want opinionated man-babies running around in my living-room at 3am. I don't want to clean up the floor after a wannabe "dev-ops stars" with LLMs and a peripheral case of influencitis has puked all over the office.
+
+- If you want to join the fun of changing core networking code that thousands of people rely on for communication
+   daily, you better know what the fuck you're doing.
+
+- I'm not here to provide validation and hugs to random strangers. I'm here to make sure the reference implementation
+   of Reticulum works.
+
+- If you cannot figure out how to submit a patch or valid bug investigation over RNS, you cannot expect I will take
+   you seriously. At all.
+
+If someone can't handle that, they should find their entertainment elsewhere.
+
+I've said it before: I've provided the information and code required to make Reticulum *work*, and build networked systems, protocols and applications on top of it. That information is deep, complex, and requires you to read hundreds of pages, and put in weeks of efforts to get the *full* picture. A lot less is required to get started, but it *will* still be a steep learning experience.
+
+This is a full networking stack, based on some pretty complex principles, for crying out loud. It's **not** a `hello_world` designed to make you feel good about yourself. It turns almost everything you know about networked systems on its head. That's **challenging** for *anyone*. Climb the mountain, and it will be satisfying in the end. Refuse to climb... Well, what do you think will happen?
+
+As for barriers to entry of *using* RNS and related programs, utilities and clients, it's not my task to teach every single user how to do X, Y and Z. The information *is* out there. If it wasn't organized optimally for your way of learning, you can choose to "raise your concerns" about it, discuss "the fact of it" on a forum or chatroom, or: *You can choose to remedy that, and help others along*.
+
+I sure know what *I* would have done.

Zen of Reticulum.md

@@ -0,0 +1,415 @@
+# Zen of Reticulum
+
+## I: The Illusion Of The Center
+
+For the better part of a generation, we have been taught to visualize the digital world through the lens of hierarchy. The mental maps we carry are dominated by a single, misleading image: **The Cloud**.
+
+We imagine the network as a vast, ethereal space "up there" or "out there". A centralized repository of services and data to which we, the lowly clients, must connect. We build our software with this assumption hardcoded into our logic: *There is a server. The server has the authority. The server knows the way. I must find the server to function*.
+
+This is the Client-Server mental model, and it is the primary obstacle to understanding Reticulum.
+
+### Fallacy Of The Cloud
+
+The first step in the Zen of Reticulum is to realize that *there is no cloud*. There is only other people's computers. When you build for the cloud, you are building *for* a landlord. You are accepting that your application's existence is conditional on the permission, uptime, and continued goodwill of a central authority.
+
+In Reticulum, you must shift your thinking from "connecting to" to "being among". Reticulum is not a service you subscribe to - *it is a fabric you inhabit*. There is no "up there". There is only *here* and *there*, and the space between them is peer-to-peer.
+
+### Decentralization Or Uncentralizability?
+
+It is common to hear the word "decentralized" thrown around in modern tech circles. But often, this is merely a marketing term for "slightly distributed centralization". A blockchain with a few dominant miners, or a federated protocol with a few giant servers. *In practice*, it's still centralized. It simply has a few centers instead of one.
+
+Reticulum goes further. It wants **Uncentralizability**.
+
+This is not a wishful political stance, but a foundational mathematical characteristic of the protocol, onto which everything else has been built. Reticulum assumes that every peer on the network is potentially hostile, and every link is potentially compromised. It is designed with no "privileged" nodes. While some nodes may act as Transport Instances - forwarding traffic for others - they do so *blindly*, and they only know about their immediate surroundings, and nothing more. They route based on cryptographic proofs, not on administrative privilege. They cannot see who is talking to whom, nor can they selectively manipulate traffic without breaking their own ability to route entirely.
+
+The system is designed to make hierarchy structurally impossible. You cannot hijack an address, because there is no central registry to hijack. You cannot block a user, because there is no central switch to flip. You can offer paths through the network, but you can't force anyone to use them.
+
+### Death To The Address
+
+To break free of the center, you must also let go of the concept of the "Address".
+
+In the IP world, an address is a location. It is a coordinate in a *deeply hierarchical* and static grid. If you move your computer to a different house, your address changes. If your router reboots, your address might change. Your *identity* is bound to your *location*, and therefore, it is fragile, and easily controlled.
+
+Reticulum abolishes this link between *Identity* and *Location*.
+
+In Reticulum, an address is not a place; it is a **Hash of an Identity**. It is a cryptographic representation of *who* you are, not *where* you are. Because of this, your address is portable. You can take a laptop from a WiFi cafe in Berlin, to a LoRa mesh in the mountains, to a packet radio link on a boat, and your "address" - your *Destination Hash* - never changes.
+
+The network does not route to a place; it routes to a *person* (or a machine). When you send a packet, you are not targeting a coordinate in a grid; you are encrypting a message for a specific entity. The network dynamically discovers where that entity currently resides, and it does so in a way where no one really knows where that entity is actually located physically.
+
+**Consider:**
+
+- **The Old Way:** *"I am at `192.168.1.5`. Come find me"*.
+- **The Zen Way:** *"I am `<327c1b2f87c9353e01769b01090b18f2>`. Wherever I am, my peers can reach me"*.
+
+Once you stop thinking about servers and start thinking about portable identities, where everyone can always reach everyone else directly, the illusion of the center fades away. You realize there *is* no center holding the network together. No coordinators or bureaucrats required. The network is simply the sum of its peers, communicating directly, sovereignly, and without a master.
+
+
+## II: Physics Of Trust
+*Paranoia Is A Great Design Principle*
+
+If we accept that there is no center - that the network is a chaotic, peer-to-peer mesh - we are forced to confront a terrifying reality: **There is no one guarding the door**.
+
+In the traditional networking mindset, we rely on the concept of the "trusted core". We assume our local coffee shop WiFi is safe, or that the backbone providers are neutral custodians. We build our security like a castle: strong walls on the outside, soft and trusting on the inside. We use encryption only when we step out into the "wild" internet.
+
+### Hostile Environments
+
+The Zen of Reticulum requires you to invert this. You must assume that *every* environment is hostile. This isn't cynicism, just uncaring physics.
+
+When you transmit information over radio waves, you are shouting into a crowded room. Anyone can listen. When you traverse the internet, your packets pass through routers controlled by strangers, corporations, and state actors. Assuming privacy in this environment without cryptographic protection is not optimism but gross negligence.
+
+Reticulum is built on the premise that every link is tapped, and every peer is a potential adversary. If your system cannot survive an adversary owning the physical layer, it cannot survive at all.
+
+But this is the paradox: By assuming the network is hostile, you make it safe. When you accept the dangers for what they are, they become manageable. When you stop trusting the infrastructure and start trusting the math, you eliminate the single point of failure: Human integrity.
+
+### Encryption Is Not A Feature
+
+In the world of TCP/IP, encryption is an afterthought. It is a layer we slap on top of the protocol (HTTPS, TLS) to patch the security holes of the original design. It is a "feature" you sometimes *enable* for "sensitive data". This is fundamentally flawed, since all data is sensitive.
+
+In Reticulum, encryption is **gravity**.
+
+It is not optional. It is not a plugin. It is the *fundamental force that allows the network to exist*. If you were to strip the encryption from Reticulum, the routing would break. The Transport system uses cryptographic signatures and entropy to verify paths and pass information. If packets were plaintext, intermediate nodes could not prove that a route was valid, nor could endpoints prevent spoofing or tampering.
+
+In Reticulum, the entropy of the encrypted packet *is* the routing logic.
+
+To ask for a version of Reticulum without encryption is like asking for a version of the ocean without liquid. You are not asking for a feature change; you're asking for a different physical universe. We design for a universe where information has mass, structure, and integrity.
+
+### Zero-Trust Architectures
+
+We must unlearn our reliance on **Institutional Trust**.
+
+For decades, we have been trained to trust authorities. We trust a website because a chain of Certificate Authorities (companies we don't know) vouches for it. We trust an app because it is in an app store (run by a corporation we don't control). We trust a message because it comes from a phone number assigned by a telecom. Yet, everything in our digital information sphere today is more untrustworthy and risky than a medieval second-hand underwear market.
+
+Reticulum replaces institutional trust with **Cryptographic Proof**.
+
+In Reticulum, you do not trust a node because it has a nice hostname or because it is listed in a directory. You trust it because it holds the private key corresponding to the Destination Hash you are communicating with. This trust is binary, mathematical, and **absolute**. Either the signature matches, or it does not. There is no "maybe".
+
+This shift moves the power from the institution to the individual. You become the ultimate arbiter of your own trust relationships. You decide which keys to accept, which paths to follow, and which identities to recognize.
+
+**Consider:**
+
+- **The Old Way:** *"I trust this site because the browser says the lock icon is green"*.
+- **The Zen Way:** *"I trust this destination because I have verified its hash fingerprint out-of-band, and the math confirms the signature"*.
+
+When you internalize the Physics of Trust, you stop looking for protection from firewalls, VPNs, and Terms of Service agreements. You realize that true security comes from the design of the protocol itself. You can stop trusting the cloud, and you start trusting the code - because you can verify it yourself.
+
+
+## III: Merits Of Scarcity
+*Every Bit Counts*
+
+We have grown addicted to abundance. In the modern digital ecosystem, bandwidth is treated as an endless, flat ocean. We stream high-definition video without a thought, we ship entire libraries of code just to render a single button, and we measure performance in gigabits per second. This abundance has hollowed out our craft. When constraints vanish, efficiency dies, and with it, a certain kind of Clarity and Quality.
+
+Reticulum asks you to step out of the ocean and onto the tightrope.
+
+### The Bandwidth Fallacy
+
+The Zen of Reticulum requires the realization that **5 bits per second is a valid speed**.
+
+To a modern developer, this sounds like paralysis. But there is a profound freedom in limits: When you have a gigabit connection, you can be incredibly sloppy. You can be wasteful. You can push your problems onto the infrastructure. *"It’s slow? Get a faster router"*.
+
+But on a high-latency, low-bandwidth link (be it a noisy HF radio channel or a tenuous LoRa hop) you cannot push problems anywhere. You must solve them. The network does not negotiate with waste.
+
+This forces a shift from consumption to interaction. You are no longer, then, consuming a service provided by a fat pipe; you are engaging in a careful negotiation with the physical medium. The medium becomes a partner in the conversation, not just a dumb conduit. You suddenly need to *understand the world to be in it*.
+
+### Cost Of A Byte
+
+In a scarce economy, a byte is not just data, but energy, time, and space.
+
+Every byte you transmit consumes battery life on a solar-powered node. It occupies valuable airtime that could have been used by another peer. It represents a measurable slice of the electromagnetic spectrum.
+
+When you internalize this, you begin to write code differently. You stop asking, "How much data can I send?" and start asking, "What is the *minimum* amount of information required to convey this intent? How can I best utilize my informational entropy?"
+
+This is where the elegance of Reticulum shines. The protocol is designed to strip away the non-essential. A link establishment takes three very small packets. A destination hash fits in 16 bytes. The overhead is vanishingly small, leaving almost the entire channel for the message itself.
+
+**Consider:**
+
+- **The Old Way:** *"I need to send a status update. I'll send a JSON object with metadata, timestamps, and user profile info (15KB)."*
+- **The Zen Way:** *"I need to send a status update. I'll send a single byte representing the state code. The context is already known."*
+
+This is of course optimization, but more importantly, *it is a form of respect*. Efficiency in a shared medium is an act of stewardship. By taking only what you need from the network, you leave room for others. The network listens to those who speak with purpose.
+
+### Flow & Time
+
+Scarcity also teaches us about time. We have become addicted to the *synchronous* now - the instant ping, the real-time stream. But Reticulum embraces *asynchronous* time.
+
+When links are intermittent and latency is measured in minutes or hours, "real-time" is an illusion. Reticulum doesn't encourage **Store and Forward** as a mere fallback, but as a primary mode of existence. You write a message, it propagates when it can, and it arrives when it arrives.
+
+This changes the psychological texture of communication. It removes the anxiety of the immediate response. It allows for contemplation. You are not demanding the recipient's attention *right now*; you are placing a gift in their path, to be found when they are ready.
+
+By designing for delay, you design for resilience. You are no longer building a house of cards that collapses when a single packet drops. You are building a stone arch that distributes the load *over time*.
+
+### Liberation From Limits
+
+There is a strange optimism in scarcity. When you are forced to work within strict constraints, you are forced to prioritize. *You* must decide what truly matters. *That* is the real core of agency.
+
+In the infinite fantasy world of The Cloud, everything is urgent, so nothing is. In the economy of Reticulum, the cost of transmission forces you to weigh the value of your message. Do you really need to send that heart beat? Is that photo essential?
+
+When you strip away the noise, what remains is *signal*.
+
+This discipline creates a different kind of developer. It creates a craftsman who understands that the best code is the code you don't have to write. It creates a user who understands that the most powerful message is the one that is *understood*, not the one that is loudest. In the world of Reticulum, you are not a mere consumer of bandwidth; you are an architect of intent.
+
+
+## IV: Sovereignty Through Infrastructure
+**Be Your Own Network**
+
+We live in an era of digital tenancy. We lease our connectivity from ISPs. We rent our storage from cloud providers. We even borrow our identity from social media platforms. We are tenants in a house we did not build, governed by rules we did not write, subject to eviction at the whim of a landlord who has never met us.
+
+The Zen of Reticulum is the realization that you *can* own the house.
+
+### A Carrier-Grade Fallacy
+
+For decades, we have been gaslit into believing that networking is really not just hard, but impossible. It is presented as a dark art reserved for telcos and billionaires, requiring millions of dollars of fiber optics, climate-controlled data centers, and armies of engineers. We are told that building reliable infrastructure is "too complex" for the individual or small organization.
+
+This is a big, fat lie.
+
+Physics is simple. A radio wave needs a transmitter and a receiver. A packet needs a path. The "complexity" of the modern internet is largely bureaucratic - a mountain of billing systems, regulatory capture, and legacy cruft designed to keep the gatekeepers in power.
+
+Reticulum strips away the bureaucracy. It runs on hardware that costs the price of a dinner. It runs on spectrum that is free to use. It demonstrates that a robust, planetary-scale network does not require a Fortune 500 company. It requires only the will to deploy, and the distributed, uncoordinated efforts of many individuals.
+
+### Personal Infrastructure
+
+This is where the rubber meets the road. You can read about Reticulum, you can understand the theory, but the insights only arrive when you plug in a radio and run a Transport Node. Suddenly, you are no longer a consumer. You're an operator.
+
+This shift is subtle but profound. When you run your own infrastructure, the network ceases to be a service that is provided *to* you. It becomes a space that you *inhabit*. You become responsible for the flow of information. You gain an intimate understanding of the medium - the way the weather affects the radio waves, the way the topology changes, the way the packets dance through the ether.
+
+There is a quiet competence that comes from this. You stop asking "Is the internet down?" and start asking "Is *my* links up?" You stop waiting for a technician and start checking the logs. This is a form of strength. To understand the system that carries your words is to be free from the mystery that keeps you dependent.
+
+### The Ability To Disconnect
+
+Why go to the trouble? Why buy the radio, write the config, and leave the Pi running in the corner?
+
+Because the old, centralized network is fragile. And because most of us doesn't even really want to be there anymore.
+
+The internet we rely on today is a chain of single points of failure. Cut the undersea cable, and a continent goes dark. Shut down the power grid, and the cloud evaporates. Deprioritize the "wrong" traffic, and the flow of information is strangled.
+
+Sovereignty is the ability to survive the cut, whether or not that cut was an accident or on purpose.
+
+When you build your own infrastructure, you build a lifeline. Reticulum is designed to function over media that the traditional internet cannot touch - bare wires, battery-powered radios, ad-hoc WiFi meshes. When the grid fails, or the censors arrive, or the bill goes unpaid, your Reticulum network continues to hum.
+
+This is not about "dropping out" of society. It is about building a substrate on which an actual *Society* can function.
+
+**Consider:**
+
+- **The Old Way:** "My connection is slow. I should call my ISP and complain."
+- **The Zen Way:** "The path is noisy. I will adjust the antenna or find a better route."
+
+By taking ownership of the infrastructure, you take ownership of your voice. You stop shouting into someone else's megaphone and start building your own. The network is no longer something that happens to you; it is something you make happen.
+
+
+# V: Identity and Nomadism
+**A Fluid Self**
+
+In the old world, you are defined by your coordinates. If you are at `34.109.71.5`, you're *here*. If you unplug the cable and walk down the street, you vanish. Your digital self evaporates because it was tethered to the wall. You are a ghost in the endless machinations of gears, levers and transistors, bound to the hardware, and those that own it.
+
+This creates a subtle, constant anxiety. We are terrified of disconnecting because, in the architecture of the old web, disconnecting is a kind of death.
+
+The Zen of Reticulum offers a different way to be.
+
+### Portable Existence
+
+In Reticulum, your identity is not a location, or a username granted by a service. It is a cryptographic key - a complex, unique mathematical signature that exists independently of the physical world. You can carry it only in your mind, if you want to.
+
+Think of it less like a street address and more like a name. *A true name*.
+
+If you travel from Berlin to Tokyo, you do not change your name. You are still you. The people who know you can still recognize you. Reticulum applies this principle to the network layer. Your Destination Hash is **invariant**. It travels with you, stored securely on your device, *immutable as a stone*.
+
+This changes the relationship between you and the machine. You are not "logged into" the network via a specific gateway. You *are* the endpoint. The network does not connect to a place; *it converges on you*.
+
+### Roaming Nodes
+
+This freedom introduces a new concept of time and space: **Nomadism**.
+
+Because your identity is portable, your connectivity can be fluid. You can be sitting at a desk connected to a fiber backbone one moment, and walking through a field connected only to a long-range LoRa mesh the next. To the rest of the network, nothing has changed. Your friends do not need to update your contact info. The messages they send do not bounce back. The network senses the shift in the medium and reroutes the flow of data automatically.
+
+You are no longer a stationary node in a fixed grid. You are a wanderer in a fluid medium.
+
+The interfaces - whether it is WiFi, Ethernet, Packet Radio, or a physical wire - is merely the clothing your node wears. You change it to suit the environment. Underneath, you remain the same. This is the liberation of the protocol. It treats the physical medium as a transient circumstance, not a definition of self.
+
+**Consider:**
+
+- **The Old Way:** *"I lost connection. I have to reconnect to the VPN to tell them where I am now."*
+- **The Zen Way:** *"I moved. The network subtly bends to accomodate this new reality."*
+
+### Announcing Presence
+
+How does the network find a wanderer? It listens.
+
+In the IP world, we query directories. We ask a server, "Where is Mark?" The server checks its database and gives us a coordinate. This means that someone, somewhere, is keeping track of you. It assumes and *requires* surveillance.
+
+Reticulum replaces surveillance with **Announces**.
+
+Instead of asking a central authority where you are, you simply state your presence. You broadcast a cryptographic proof: "I am here, and I am who I say I am". This ripples out through the mesh. Your neighbors hear it, update their path tables, and pass it on.
+
+This is a quiet, organic process. It is the digital equivalent of lighting lanterns in the dark. You do not need to chase the light; you let the light find you. It respects your autonomy. You choose when to announce, how often to speak, and to whom. You also choose when to disappear - for but a moment or perpetually.
+
+### Anchor In The Flow
+
+There is a deep peace in this nomadism. It teaches you that stability does not come from standing still. Stability comes from *internal coherence*.
+
+By holding your own private key, you hold your own center of gravity. The world around you; the infrastructure, the topography and the availability of links can all shift chaotically. Storms can knock out towers. Cables can be cut. The internet can go down.
+
+But as long as you possess your key, you possess your identity. The entire infrastructure can be destroyed and rebuilt, and you are still you. Nothing lasts, yet nothing is lost.
+
+You become a sovereign entity moving through the noise, connected not by the rigidity of cables, but by the fluidity of recognition. The network becomes a place you inhabit, rather than a utility you subscribe to: You are at home in the ether.
+
+
+## VI: Ethics Of The Tool
+**Technology With Conscience**
+
+You have unlearned the center. You have accepted the physics of trust. You have embraced the economy of scarcity and the freedom of unbound nomadism. You are standing in a new space. Now, look at the tool in your hand.
+
+In the old world, we were taught that technology is neutral. We are told that "guns don't kill people, people do", or that a component is just a component, indifferent to what its combinatorial potential is. This is a convenient lie. It serves only to allow the builders to wash their hands of responsibility.
+
+But we know better now. We know that **architecture is politics**, and *politics is control*. The way you build a system determines how it will be used. If you build a system optimized for mass surveillance, you *will* get a panopticon. If you build a system optimized for centralized control, you *will* get a dictatorship. If you build a system optimized for extraction, you *will* get a parasite.
+
+The Zen of Reticulum asserts that a tool is never neutral.
+
+On the very contrary: A tool is intent, **crystallized**.
+
+### The Harm Principle
+
+Why does the Reticulum License forbid the software from being used in systems designed to harm humans? Is it not just a restriction on freedom?
+
+It is a restriction on *license*, yes, but it is an expansion of *freedom*.
+
+Building powerful tools without a moral compass is in no way virtuous or commendable, it is plain and simple irresponsibility.
+
+A tool that can easily be used to oppress is a real danger to the user. If you build a network that can be turned against you by a tyrant, you are not free. You are merely waiting for the leash to tighten. By encoding the "Harm Principle" into the legal DNA of the reference implementation, we are building a safeguard. We are stating, clearly and immutably, that *this tool* is for **life**, not for death.
+
+This aligns the software with the interests of humanity. It cements that the network cannot be conscripted into a kill-system, a weaponized drone controller, or a torture device without breaking the license and the law. It is a line drawn in the sand - not by a government or external authority, but by the creators of the tool itself.
+
+**Consider:**
+
+- **The Old Way:** *"It's just software. How people use it is not my problem."*
+- **The Zen Way:** *"This software is a habitat. I will not allow it to be used to build a cage."*
+
+It is *your* choice whether to align with this - we are not forcing this stance on anyone. If you choose to align with life over death, with creativity over destruction, we grant you an immensely powerful tool, to own and build with as you please. If you do not, we deny it.
+
+If you do not like this, we most assuredly do not need you here, and you are on your own.
+
+### Public Domain Protocol
+
+This leads to a vital distinction: The difference between the *idea* and the *implementation*.
+
+The protocol - the mathematical rules of how Reticulum works - is dedicated to the Public Domain. It belongs to humanity. **No one can own it**. Anyone can implement it, improve it, or adapt it. This is the core idea of free communication, which itself must be forever free.
+
+But the functional, deployed *reference implementation* - the Python code, the maintenance, the years of labor - has a conscience. This distinction is the engine of sustainability. It allows the protocol to be universal, while ensuring that the specific labor of the builders is not hijacked to undermine the foundational intent of the project itself. From this document, it should be very clear what this intent is.
+
+If you want to build a system with Reticulum that manipulates and damages users for profits or targets missiles, you can use the public domain protocol, and start from scratch. But you cannot take our work. You must do your own. This serves as a pillar of accountability. If you want to build a weapon, *you* go and forge the steel yourself, while the world observes. And when the blood is drawn - it is on **your** hands.
+
+### Preserving Human Agency
+
+We live in an era of predatory extraction. The open-source commons is being scraped, ingested, and regurgitated by machine learning algorithms, whose corporate owners seek to replace the very humans who built those commons. Our code, our words, and our creativity is being used to train systems that are specifically designed to make us obsolete, without offering anything else in return than serfdom and leashes.
+
+Reticulum stands against this.
+
+The license protects the software from being used to feed the beast. It draws a hard line: This tool is for *people*. It is for human-to-human connection. It is not a dataset to be strip-mined for the purpose of building a synthetic overlord, puppeteered by a miniscule conglomerate of controllers.
+
+This is a radical act of preservation. By protecting the code from AI appropriation, we are protecting space for human agency. We are ensuring that there remains a digital realm where the actors are flesh, blood and soul, where decisions are made by minds, not overlords hiding behind models.
+
+When you use Reticulum, you are using a tool that respects you. It does not see you as a product to be tracked. It does not see your data as fuel for an algorithm. It sees you as a sovereign, equal peer.
+
+This changes the foundational premise of using the technology. It restores dignity to the interaction. You are not the user of a service; you are a participant in a mutual covenant. The tool aligns with your autonomy, rather than eroding it.
+
+In this way, ethics is not a restriction, but a foundation. It is the foundation that helps ensure the network will still belong to you tomorrow.
+
+
+## VII: Design Patterns For Post-IP Systems
+**Practical Philosophy for Developers**
+
+The philosophy is useless if it cannot be hammered into code. The metaphors we have explored - nomadism, scarcity, trust - are not just poetry, but real-world engineering constraints. When you sit down to write software for Reticulum, these concepts must shape the very structure of your application.
+
+We are now moving from the *why* to the *how*. This is where the abstract becomes concrete, and where you will see the true depth of the patterns we have been weaving.
+
+### Store & Forward
+
+The web has trained us to be impatient. We write synchronous code. We fire a request and we wait, blocking the UI, holding our breath. If the response doesn't come in 250 milliseconds, we show a spinner. If it doesn't come in five seconds, we show an error. We treat network connectivity as a binary state: either we are "online" or we are "broken".
+
+This is brittle. It is a rejection of reality.
+
+In Reticulum, connectivity is a spectrum, and presence is asynchronous. If at all applicable to your intent, you must design your applications to embrace **Store & Forward**.
+
+Instead of demanding an immediate answer, your application should act as a patient participant. You create a message for someone or something in the mesh. The network holds it. It carries it from node to node, perhaps over hours or days, waiting for the recipient to appear. When they finally surface, the message is delivered. This requires a shift from "request/response" to "event/handler". How exactly you do this is a challenge for you to solve intelligently within your problem domain, but Reticulum-based systems already exist that does this extremely well, and you can use them for inspiration.
+
+**Consider:**
+
+- **The Old Way:** `Connect() -> Send() -> Wait() -> Crash if timeout.`
+- **The Zen Way:** `Send() -> Continue living. -> Receive() when it arrives.`
+
+This changes the user experience profoundly. It removes the anxiety of the loading bar. It creates a sense of continuity. The user is not "waiting for the network"; they are interacting with a persistent log of communication that lives in the network itself.
+
+### Naming Is Power
+
+In the IP world, we are slaves to the Domain Name System. We rely on a hierarchy of registrars to map human-readable names to machine-readable addresses. This hierarchy is a choke point. If the registrar revokes your domain, or if the DNS server goes down, you vanish.
+
+Reticulum dissolves this hierarchy with **Hash-based Identity**.
+
+In this design pattern, a name is not a string you look up; it is a cryptographic destination you verify. When you design for Reticulum, you stop asking the user for a URL and start asking for a Destination or Identity Hash.
+
+This feels strange at first. A hash like `<83b7328926fed0d2e6a10a7671f9e237>` looks alien compared to `myfriend.com`. But that alienness is the armor. It **cannot** be spoofed. It **cannot** be censored by a registrar. It is **absolute**.
+
+Designing for this means shifting your UI metaphors. You are no longer browsing a web of pages; you are managing a ledger of keys. You are building an "Address Book" that is actually a keyring. The names are given by the user, and the power stays with them. That hashes look complex is directly analogous to the strengths of the bonds formed by their use. It forces the user to engage in a moment of verification, an out-of-band handshake, which restores the human element of trust that SSL certificates stripped away.
+
+### The Interface Is The Medium
+
+One of the most liberating patterns in Reticulum is **Transport Agnosticism**.
+
+In traditional networking, your code is often littered with transport logic. "Am I on WiFi? Check bandwidth. Am I on Cellular? Check data plan. Am I on Ethernet?". You are constantly micromanaging the pipe.
+
+In Reticulum, you write to the API, and the API writes to the medium. You send a packet to a Destination. You do not care if that packet travels over a TCP tunnel, a LoRa radio wave, or a serial wire interface. That is the stack's concern.
+
+This allows you to write **Universal Applications**.
+Imagine a messaging app. You write it once. It works on a laptop connected to fiber. It works on a phone in the city using WiFi. And, without a single line of code changed, it works on a device in the wilderness, talking only to other devices via radio.
+
+The pattern is simple: **Never code to the hardware. Code to the intent.**
+
+**Consider:**
+
+- **The Old Way:** `socket.connect(ip, port)`
+- **The Zen Way:** `RNS.Packet(destination, data).send()`
+
+By abstracting the medium, you make your software immortal to changes in infrastructure. The user might switch from a 4G hotspot to a HF modem tomorrow. Your software doesn't need to know. It simply continues the conversation.
+
+### Emergent Patterns
+
+When you combine these patterns - *Store & Forward*, *Hash-based Identity*, and *Transport Agnosticism* - you create software that feels fundamentally different.
+
+It feels *grounded*. It doesn't flicker when the signal drops. It doesn't panic when the server is down. It has weight. It has persistence. It has *relevance*.
+
+You are no longer building a "client" that begs a "server" for attention. You are building an autonomous agent that exists within the mesh. It speaks when it needs to, listens when it can, and carries its identity with it wherever it goes.
+
+This is the culmination of the Zen. The code is not just a set of instructions: It is a behavioral envelope. It is a way of *being* in the network.
+
+
+## VIII: Fabric Of The Independent
+
+We have stripped away the illusions. We have seen that the center is empty, that trust *must* be hard, that resources are finite, and that we must own our infrastructure. We have seen that tools have ethics and that our identity can move fluidly.
+
+This is a reclaiming of the commons. For too long, we have allowed the most vital substrate of human society - *our ability to speak to one another* - to be colonized by entities that do not share our interests. We have allowed the architecture of our communication to be designed by accountants rather than architects.
+
+We are taking it back. Not by petitioning the masters, but by building the new world within, over, under and around the shell of the old.
+
+### The Work Is Finished
+
+The heavy lifting is done.
+
+The protocol is in the public domain, a gift to humanity that can never be taken away. The software is written, tested, and running on devices scattered across the globe. The manual lies open before you. The source code for the reference implementation is now distributed on hundreds of thousands of devices across the planet. No one can delete or destroy it. The hardware is accessible and abundant.
+
+It was a hard road to get here, but we got here. Now, there is no roadmap committee waiting for approval. There is no venture capital dictating the user experience. There is no CEO to sign off on the next feature release.
+
+There is only you.
+
+The barrier to entry is no longer complexity: It is the mere habit of dependency. You were conditioned to wait. Wait for the app update. Wait for the ISP to fix the line. Wait for the platform to allow the post. Wait for the government to change the policies. Wait for the likes. Wait for the revolution to be televised.
+
+The revolution never was televised.
+
+It is packetized.
+
+### Open Sky
+
+The future of this technology is a construction project.
+
+It looks like a single node on a windowsill, listening to the static. It looks like a message sent to a neighbor, bypassing the noise of the commercial web. It looks like a community mesh that grows, link by link, hop by hop, carried by hands that care more about connection than profit.
+
+You have the blueprints. You have the tools. You have the philosophy. The noise of the old world has fallen away, leaving you with the quiet clarity of the open spectrum.
+
+*Mark, early 2026*

docs/Makefile

@@ -35,3 +35,10 @@ help:
 		cp -r build/epub/ReticulumNetworkStack.epub ./Reticulum\ Manual.epub; \
 		echo "EPUB Manual Generated"; \
 	fi
+
+	@if [ $@ = "markdown" ]; then \
+		rm -rf markdown; \
+		cp -r build/markdown ./; \
+		./clean_md.py ./markdown \
+		echo "Markdown Manual Generated"; \
+	fi