#!/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()