Updated manual

README.md

@@ -271,7 +271,7 @@ file:
   [[RNS Testnet I2P Hub A]]
     type = I2PInterface
     enabled = yes
-    peers = mrwqlsioq4hoo2lmeeud7dkfscnm7yxak7dmiyvsrnpfag3z5tsq.b32.i2p
+    peers = pmlm3l5rpympihoy2o5ago43kluei2jjjzsalcuiuylbve3mwi2a.b32.i2p
 
 # Interface to I2P Hub B
   [[RNS Testnet I2P Hub B]]

RNS/Interfaces/I2PInterface.py

@@ -161,8 +161,6 @@ class I2PController:
                                 raise tn.status["exception"]
 
                             else:
-                                self.client_tunnels[i2p_destination] = True
-                                owner.awaiting_i2p_tunnel = False
                                 if owner.socket != None:
                                     if hasattr(owner.socket, "close"):
                                         if callable(owner.socket.close):
@@ -175,6 +173,8 @@ class I2PController:
                                                 owner.socket.close()
                                             except Exception as e:
                                                 RNS.log("Error while closing socket for "+str(owner)+": "+str(e))
+                                self.client_tunnels[i2p_destination] = True
+                                owner.awaiting_i2p_tunnel = False
 
                                 RNS.log(str(owner)+" tunnel setup complete", RNS.LOG_VERBOSE)
 
@@ -383,6 +383,11 @@ class I2PInterfacePeer(Interface):
     I2P_PROBE_AFTER = 10
     I2P_PROBE_INTERVAL = 9
     I2P_PROBES = 5
+    I2P_READ_TIMEOUT = (I2P_PROBE_INTERVAL * I2P_PROBES + I2P_PROBE_AFTER)*2
+
+    TUNNEL_STATE_INIT    = 0x00
+    TUNNEL_STATE_ACTIVE  = 0x01
+    TUNNEL_STATE_STALE   = 0x02
 
     def __init__(self, parent_interface, owner, name, target_i2p_dest=None, connected_socket=None, max_reconnect_tries=None):
         self.rxb = 0
@@ -409,6 +414,30 @@ class I2PInterfacePeer(Interface):
         self.i2p_tunnel_ready = False
         self.mode             = RNS.Interfaces.Interface.Interface.MODE_FULL
         self.bitrate          = I2PInterface.BITRATE_GUESS
+        self.last_read        = 0
+        self.last_write       = 0
+        self.wd_reset         = False
+        self.i2p_tunnel_state = I2PInterfacePeer.TUNNEL_STATE_INIT
+
+        self.ifac_size = self.parent_interface.ifac_size
+        self.ifac_netname = self.parent_interface.ifac_netname
+        self.ifac_netkey = self.parent_interface.ifac_netkey
+        if self.ifac_netname != None or self.ifac_netkey != None:
+            ifac_origin = b""
+            if self.ifac_netname != None:
+                ifac_origin += RNS.Identity.full_hash(self.ifac_netname.encode("utf-8"))
+            if self.ifac_netkey != None:
+                ifac_origin += RNS.Identity.full_hash(self.ifac_netkey.encode("utf-8"))
+
+            ifac_origin_hash = RNS.Identity.full_hash(ifac_origin)
+            self.ifac_key = RNS.Cryptography.hkdf(
+                length=64,
+                derive_from=ifac_origin_hash,
+                salt=RNS.Reticulum.IFAC_SALT,
+                context=None
+            )
+            self.ifac_identity = RNS.Identity.from_bytes(self.ifac_key)
+            self.ifac_signature = self.ifac_identity.sign(RNS.Identity.full_hash(self.ifac_key))
 
         self.announce_rate_target  = None
         self.announce_rate_grace   = None
@@ -454,7 +483,7 @@ class I2PInterfacePeer(Interface):
                         RNS.log("Error while while configuring "+str(self)+": "+str(e), RNS.LOG_ERROR)
                         RNS.log("Check that I2P is installed and running, and that SAM is enabled. Retrying tunnel setup later.", RNS.LOG_ERROR)
 
-                    time.sleep(15)
+                    time.sleep(8)
 
             thread = threading.Thread(target=tunnel_job)
             thread.daemon = True
@@ -463,6 +492,7 @@ class I2PInterfacePeer(Interface):
             def wait_job():
                 while self.awaiting_i2p_tunnel:
                     time.sleep(0.25)
+                time.sleep(2)
                 
                 if not self.kiss_framing:
                     self.wants_tunnel = True
@@ -482,18 +512,11 @@ class I2PInterfacePeer(Interface):
 
 
     def set_timeouts_linux(self):
-        if not self.i2p_tunneled:
-            self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_USER_TIMEOUT, int(I2PInterfacePeer.TCP_USER_TIMEOUT * 1000))
-            self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
-            self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, int(I2PInterfacePeer.TCP_PROBE_AFTER))
-            self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, int(I2PInterfacePeer.TCP_PROBE_INTERVAL))
-            self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, int(I2PInterfacePeer.TCP_PROBES))
-        else:
-            self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_USER_TIMEOUT, int(I2PInterfacePeer.I2P_USER_TIMEOUT * 1000))
-            self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
-            self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, int(I2PInterfacePeer.I2P_PROBE_AFTER))
-            self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, int(I2PInterfacePeer.I2P_PROBE_INTERVAL))
-            self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, int(I2PInterfacePeer.I2P_PROBES))
+        self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_USER_TIMEOUT, int(I2PInterfacePeer.I2P_USER_TIMEOUT * 1000))
+        self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
+        self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, int(I2PInterfacePeer.I2P_PROBE_AFTER))
+        self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, int(I2PInterfacePeer.I2P_PROBE_INTERVAL))
+        self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, int(I2PInterfacePeer.I2P_PROBES))
 
     def set_timeouts_osx(self):
         if hasattr(socket, "TCP_KEEPALIVE"):
@@ -502,22 +525,19 @@ class I2PInterfacePeer(Interface):
             TCP_KEEPIDLE = 0x10
 
         self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
-        
-        if not self.i2p_tunneled:
-            self.socket.setsockopt(socket.IPPROTO_TCP, TCP_KEEPIDLE, int(I2PInterfacePeer.TCP_PROBE_AFTER))
-        else:
-            self.socket.setsockopt(socket.IPPROTO_TCP, TCP_KEEPIDLE, int(I2PInterfacePeer.I2P_PROBE_AFTER))
+        self.socket.setsockopt(socket.IPPROTO_TCP, TCP_KEEPIDLE, int(I2PInterfacePeer.I2P_PROBE_AFTER))
     
-    def shutdown_socket(self, socket):
-        if callable(socket.close):
-            
+    def shutdown_socket(self, target_socket):
+        if callable(target_socket.close):
             try:
-                socket.shutdown(socket.SHUT_RDWR)
+                if socket != None:
+                    target_socket.shutdown(socket.SHUT_RDWR)
             except Exception as e:
                 RNS.log("Error while shutting down socket for "+str(self)+": "+str(e))
 
             try:
-                socket.close()
+                if socket != None:
+                    target_socket.close()
             except Exception as e:
                 RNS.log("Error while closing socket for "+str(self)+": "+str(e))    
     
@@ -571,7 +591,6 @@ class I2PInterfacePeer(Interface):
 
         return True
 
-
     def reconnect(self):
         if self.initiator:
             if not self.reconnecting:
@@ -632,6 +651,7 @@ class I2PInterfacePeer(Interface):
                 self.socket.sendall(data)
                 self.writing = False
                 self.txb += len(data)
+                self.last_write = time.time()
                 
                 if hasattr(self, "parent_interface") and self.parent_interface != None and self.parent_count:
                     self.parent_interface.txb += len(data)
@@ -642,8 +662,59 @@ class I2PInterfacePeer(Interface):
                 self.teardown()
 
 
+    def read_watchdog(self):
+        while self.wd_reset:
+            time.sleep(0.25)
+
+        should_run = True
+        try:
+            while should_run and not self.wd_reset:
+                time.sleep(1)
+
+                if (time.time()-self.last_read > I2PInterfacePeer.I2P_PROBE_AFTER*2):
+                    if self.i2p_tunnel_state != I2PInterfacePeer.TUNNEL_STATE_STALE:
+                        RNS.log("I2P tunnel became unresponsive", RNS.LOG_DEBUG)
+
+                    self.i2p_tunnel_state = I2PInterfacePeer.TUNNEL_STATE_STALE
+                else:
+                    self.i2p_tunnel_state = I2PInterfacePeer.TUNNEL_STATE_ACTIVE
+
+                if (time.time()-self.last_write > I2PInterfacePeer.I2P_PROBE_AFTER*1):
+                    try:
+                        if self.socket != None:
+                            self.socket.sendall(bytes([HDLC.FLAG, HDLC.FLAG]))
+                    except Exception as e:
+                        RNS.log("An error ocurred while sending I2P keepalive. The contained exception was: "+str(e), RNS.LOG_ERROR)
+                        self.shutdown_socket(self.socket)
+                        should_run = False
+                
+                if (time.time()-self.last_read > I2PInterfacePeer.I2P_READ_TIMEOUT):
+                    RNS.log("I2P socket is unresponsive, restarting...", RNS.LOG_WARNING)
+                    if self.socket != None:
+                        try:
+                            self.socket.shutdown(socket.SHUT_RDWR)
+                        except Exception as e:
+                            RNS.log("Error while shutting down socket for "+str(self)+": "+str(e))
+
+                        try:
+                            self.socket.close()
+                        except Exception as e:
+                            RNS.log("Error while closing socket for "+str(self)+": "+str(e))
+
+                    should_run = False
+
+                self.wd_reset = False
+
+        finally:
+            self.wd_reset = False
+
     def read_loop(self):
         try:
+            self.last_read  = time.time()
+            self.last_write = time.time()
+
+            wd_thread = threading.Thread(target=self.read_watchdog, daemon=True).start()
+
             in_frame = False
             escape = False
             data_buffer = b""
@@ -653,6 +724,7 @@ class I2PInterfacePeer(Interface):
                 data_in = self.socket.recv(4096)
                 if len(data_in) > 0:
                     pointer = 0
+                    self.last_read = time.time()
                     while pointer < len(data_in):
                         byte = data_in[pointer]
                         pointer += 1
@@ -705,6 +777,11 @@ class I2PInterfacePeer(Interface):
                                     data_buffer = data_buffer+bytes([byte])
                 else:
                     self.online = False
+
+                    self.wd_reset = True
+                    time.sleep(2)
+                    self.wd_reset = False
+
                     if self.initiator and not self.detached:
                         RNS.log("Socket for "+str(self)+" was closed, attempting to reconnect...", RNS.LOG_WARNING)
                         self.reconnect()
@@ -754,7 +831,7 @@ class I2PInterfacePeer(Interface):
 class I2PInterface(Interface):
     BITRATE_GUESS      = 256*1000
 
-    def __init__(self, owner, name, rns_storagepath, peers, connectable = False):
+    def __init__(self, owner, name, rns_storagepath, peers, connectable = False, ifac_size = 16, ifac_netname = None, ifac_netkey = None):
         self.rxb = 0
         self.txb = 0
         
@@ -780,6 +857,9 @@ class I2PInterface(Interface):
         self.bind_port   = self.i2p.get_free_port()
         self.address = (self.bind_ip, self.bind_port)
         self.bitrate = I2PInterface.BITRATE_GUESS
+        self.ifac_size = ifac_size
+        self.ifac_netname = ifac_netname
+        self.ifac_netkey = ifac_netkey
 
         self.online = False
 
@@ -850,9 +930,27 @@ class I2PInterface(Interface):
         spawned_interface.parent_interface = self
         spawned_interface.online = True
         spawned_interface.bitrate = self.bitrate
+
         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

RNS/Interfaces/TCPInterface.py

@@ -483,9 +483,27 @@ class TCPServerInterface(Interface):
         spawned_interface.target_port = str(handler.client_address[1])
         spawned_interface.parent_interface = self
         spawned_interface.bitrate = self.bitrate
+        
         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

RNS/Reticulum.py

@@ -631,12 +631,18 @@ class Reticulum:
                                     i2p_peers = c.as_list("peers") if "peers" in c else None
                                     connectable = c.as_bool("connectable") if "connectable" in c else False
 
+                                    if ifac_size == None:
+                                        ifac_size = 16
+
                                     interface = I2PInterface.I2PInterface(
                                         RNS.Transport,
                                         name,
                                         Reticulum.storagepath,
                                         i2p_peers,
                                         connectable = connectable,
+                                        ifac_size = ifac_size,
+                                        ifac_netname = ifac_netname,
+                                        ifac_netkey = ifac_netkey,
                                     )
 
                                     if "outgoing" in c and c.as_bool("outgoing") == False:
@@ -653,10 +659,6 @@ class Reticulum:
                                     interface.announce_cap = announce_cap
                                     if configured_bitrate:
                                         interface.bitrate = configured_bitrate
-                                    if ifac_size != None:
-                                        interface.ifac_size = ifac_size
-                                    else:
-                                        interface.ifac_size = 16
 
                                 if c["type"] == "SerialInterface":
                                     port = c["port"] if "port" in c else None
@@ -1071,6 +1073,19 @@ class Reticulum:
                     else:
                         ifstats["i2p_b32"] = None
 
+                if hasattr(interface, "i2p_tunnel_state"):
+                    if interface.i2p_tunnel_state != None:
+                        state_description = "Unknown State"
+                        if interface.i2p_tunnel_state == I2PInterface.I2PInterfacePeer.TUNNEL_STATE_ACTIVE:
+                            state_description = "Tunnel Active"
+                        elif interface.i2p_tunnel_state == I2PInterface.I2PInterfacePeer.TUNNEL_STATE_INIT:
+                            state_description = "Creating Tunnel"
+                        elif interface.i2p_tunnel_state == I2PInterface.I2PInterfacePeer.TUNNEL_STATE_STALE:
+                            state_description = "Tunnel Unresponsive"
+                        ifstats["tunnelstate"] = state_description
+                    else:
+                        ifstats["tunnelstate"] = None
+
                 if hasattr(interface, "bitrate"):
                     if interface.bitrate != None:
                         ifstats["bitrate"] = interface.bitrate

RNS/Transport.py

@@ -833,7 +833,7 @@ class Transport:
     def inbound(raw, interface=None):
         # If interface access codes are enabled,
         # we must authenticate each packet.
-        if len(raw) > 1:
+        if len(raw) > 2:
             if interface != None and hasattr(interface, "ifac_identity") and interface.ifac_identity != None:
                 # Check that IFAC flag is set
                 if raw[0] & 0x80 == 0x80:
@@ -871,6 +871,9 @@ class Transport:
                     # If the flag is set, drop the packet
                     return
 
+        else:
+            return
+
         while (Transport.jobs_running):
             sleep(0.0005)
 

RNS/Utilities/rnstatus.py

@@ -135,6 +135,9 @@ def program_setup(configdir, dispall=False, verbosity=0, name_filter=None):
                         if "peers" in ifstat and ifstat["peers"] != None:
                             print("    Peers   : {np} reachable".format(np=ifstat["peers"]))
 
+                        if "tunnelstate" in ifstat and ifstat["tunnelstate"] != None:
+                            print("    I2P     : {ts}".format(ts=ifstat["tunnelstate"]))
+
                         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))

RNS/_version.py

@@ -1 +1 @@
-__version__ = "0.4.0"
+__version__ = "0.4.1"

docs/manual/.buildinfo

@@ -1,4 +1,4 @@
 # Sphinx build info version 1
 # This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
-config: 8cba159fb1f90a14d69c2399fad83a44
+config: 4a5018049873c4ba66a74fe3fb07d116
 tags: 645f666f9bcd5a90fca523b33c5a78b7

docs/manual/_static/documentation_options.js

@@ -1,6 +1,6 @@
 var DOCUMENTATION_OPTIONS = {
     URL_ROOT: document.getElementById("documentation_options").getAttribute('data-url_root'),
-    VERSION: '0.4.0 beta',
+    VERSION: '0.4.1 beta',
     LANGUAGE: 'en',
     COLLAPSE_INDEX: false,
     BUILDER: 'html',

docs/manual/examples.html

@@ -6,7 +6,7 @@
 <link rel="index" title="Index" href="genindex.html" /><link rel="search" title="Search" href="search.html" /><link rel="next" title="Support Reticulum" href="support.html" /><link rel="prev" title="Building Networks" href="networks.html" />
 
     <meta name="generator" content="sphinx-5.2.2, furo 2022.09.29"/>
-        <title>Code Examples - Reticulum Network Stack 0.4.0 beta documentation</title>
+        <title>Code Examples - Reticulum Network Stack 0.4.1 beta documentation</title>
       <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
     <link rel="stylesheet" type="text/css" href="_static/styles/furo.css?digest=d81277517bee4d6b0349d71bb2661d4890b5617c" />
     <link rel="stylesheet" type="text/css" href="_static/copybutton.css" />
@@ -141,7 +141,7 @@
       </label>
     </div>
     <div class="header-center">
-      <a href="index.html"><div class="brand">Reticulum Network Stack 0.4.0 beta documentation</div></a>
+      <a href="index.html"><div class="brand">Reticulum Network Stack 0.4.1 beta documentation</div></a>
     </div>
     <div class="header-right">
       <div class="theme-toggle-container theme-toggle-header">
@@ -167,7 +167,7 @@
     <img class="sidebar-logo" src="_static/rns_logo_512.png" alt="Logo"/>
   </div>
   
-  <span class="sidebar-brand-text">Reticulum Network Stack 0.4.0 beta documentation</span>
+  <span class="sidebar-brand-text">Reticulum Network Stack 0.4.1 beta documentation</span>
   
 </a><form class="sidebar-search-container" method="get" action="search.html" role="search">
   <input class="sidebar-search" placeholder=Search name="q" aria-label="Search">

docs/manual/genindex.html

@@ -4,7 +4,7 @@
     <meta name="viewport" content="width=device-width,initial-scale=1"/>
     <meta name="color-scheme" content="light dark"><link rel="index" title="Index" href="#" /><link rel="search" title="Search" href="search.html" />
 
-    <meta name="generator" content="sphinx-5.2.2, furo 2022.09.29"/><title>Index - Reticulum Network Stack 0.4.0 beta documentation</title>
+    <meta name="generator" content="sphinx-5.2.2, furo 2022.09.29"/><title>Index - Reticulum Network Stack 0.4.1 beta documentation</title>
 <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
     <link rel="stylesheet" type="text/css" href="_static/styles/furo.css?digest=d81277517bee4d6b0349d71bb2661d4890b5617c" />
     <link rel="stylesheet" type="text/css" href="_static/copybutton.css" />
@@ -139,7 +139,7 @@
       </label>
     </div>
     <div class="header-center">
-      <a href="index.html"><div class="brand">Reticulum Network Stack 0.4.0 beta documentation</div></a>
+      <a href="index.html"><div class="brand">Reticulum Network Stack 0.4.1 beta documentation</div></a>
     </div>
     <div class="header-right">
       <div class="theme-toggle-container theme-toggle-header">
@@ -165,7 +165,7 @@
     <img class="sidebar-logo" src="_static/rns_logo_512.png" alt="Logo"/>
   </div>
   
-  <span class="sidebar-brand-text">Reticulum Network Stack 0.4.0 beta documentation</span>
+  <span class="sidebar-brand-text">Reticulum Network Stack 0.4.1 beta documentation</span>
   
 </a><form class="sidebar-search-container" method="get" action="search.html" role="search">
   <input class="sidebar-search" placeholder=Search name="q" aria-label="Search">

docs/manual/gettingstartedfast.html

@@ -6,7 +6,7 @@
 <link rel="index" title="Index" href="genindex.html" /><link rel="search" title="Search" href="search.html" /><link rel="next" title="Using Reticulum on Your System" href="using.html" /><link rel="prev" title="What is Reticulum?" href="whatis.html" />
 
     <meta name="generator" content="sphinx-5.2.2, furo 2022.09.29"/>
-        <title>Getting Started Fast - Reticulum Network Stack 0.4.0 beta documentation</title>
+        <title>Getting Started Fast - Reticulum Network Stack 0.4.1 beta documentation</title>
       <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
     <link rel="stylesheet" type="text/css" href="_static/styles/furo.css?digest=d81277517bee4d6b0349d71bb2661d4890b5617c" />
     <link rel="stylesheet" type="text/css" href="_static/copybutton.css" />
@@ -141,7 +141,7 @@
       </label>
     </div>
     <div class="header-center">
-      <a href="index.html"><div class="brand">Reticulum Network Stack 0.4.0 beta documentation</div></a>
+      <a href="index.html"><div class="brand">Reticulum Network Stack 0.4.1 beta documentation</div></a>
     </div>
     <div class="header-right">
       <div class="theme-toggle-container theme-toggle-header">
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docs/manual/hardware.html

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docs/manual/interfaces.html

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docs/manual/networks.html

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docs/manual/reference.html

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docs/manual/understanding.html

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docs/manual/using.html

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docs/manual/whatis.html

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