Added basic rnid utility
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Mark Qvist
parent
b6928b7d83
commit
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#!/usr/bin/env python3
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# MIT License
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#
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# Copyright (c) 2023 Mark Qvist / unsigned.io
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import RNS
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import argparse
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import time
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import sys
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import os
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from RNS._version import __version__
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APP_NAME = "rnid"
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SIG_EXT = "rsg"
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ENCRYPT_EXT = "rfe"
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CHUNK_SIZE = 16*1024*1024
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def spin(until=None, msg=None, timeout=None):
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i = 0
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syms = "⢄⢂⢁⡁⡈⡐⡠"
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if timeout != None:
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timeout = time.time()+timeout
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print(msg+" ", end=" ")
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while (timeout == None or time.time()<timeout) and not until():
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time.sleep(0.1)
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print(("\b\b"+syms[i]+" "), end="")
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sys.stdout.flush()
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i = (i+1)%len(syms)
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print("\r"+" "*len(msg)+" \r", end="")
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if timeout != None and time.time() > timeout:
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return False
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else:
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return True
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def main():
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try:
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parser = argparse.ArgumentParser(description="Reticulum Identity & Encryption Utility")
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# parser.add_argument("file", nargs="?", default=None, help="input file path", type=str)
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parser.add_argument("--config", metavar="path", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
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parser.add_argument("-i", metavar="identity", action="store", default=None, help="hexadecimal Reticulum Destination hash or path to Identity file", type=str)
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parser.add_argument("-v", "--verbose", action="count", default=0, help="increase verbosity")
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parser.add_argument("-q", "--quiet", action="count", default=0, help="decrease verbosity")
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parser.add_argument("-e", "--encrypt", action="store_true", default=False, help="encrypt data")
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parser.add_argument("-d", "--decrypt", action="store_true", default=None, help="decrypt data")
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parser.add_argument("-s", "--sign", action="store_true", default=None, help="sign data")
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parser.add_argument("-V", "--verify", action="store_true", default=None, help="verify signature")
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parser.add_argument("-r", "--read", metavar="path", action="store", default=None, help="input file path", type=str)
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parser.add_argument("-w", "--write", metavar="path", action="store", default=None, help="output file path", type=str)
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parser.add_argument("-f", "--force", action="store_true", default=None, help="write output even if it overwrites existing files")
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parser.add_argument("-I", "--stdin", action="store_true", default=False, help=argparse.SUPPRESS) # "read input from STDIN instead of file"
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parser.add_argument("-O", "--stdout", action="store_true", default=False, help=argparse.SUPPRESS) # help="write output to STDOUT instead of file",
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parser.add_argument("-R", "--request", action="store_true", default=False, help="request unknown Identities from the network")
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parser.add_argument("-t", action="store", metavar="seconds", type=float, help="identity request timeout before giving up", default=RNS.Transport.PATH_REQUEST_TIMEOUT)
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parser.add_argument("-p", "--print-identity", action="store_true", default=False, help="print identity info and exit")
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parser.add_argument("-P", "--print-private", action="store_true", default=False, help="allow displaying private keys")
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parser.add_argument("-b", "--base64", action="store_true", default=False, help="Use base64-encoded input and output")
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parser.add_argument("--version", action="version", version="rncp {version}".format(version=__version__))
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args = parser.parse_args()
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ops = 0;
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for t in [args.encrypt, args.decrypt, args.verify, args.sign]:
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if t:
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ops += 1
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if ops > 1:
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RNS.log("This utility currently only supports one of the encrypt, decrypt, sign or verify operations per invocation", RNS.LOG_ERROR)
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exit(1)
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identity_str = args.i
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if not identity_str:
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print("\nNo identity provided, cannot continue\n")
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parser.print_help()
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print("")
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sys.exit(1)
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else:
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targetloglevel = 4
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verbosity = args.verbose
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quietness = args.quiet
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if verbosity != 0 or quietness != 0:
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targetloglevel = targetloglevel+verbosity-quietness
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# Start Reticulum
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reticulum = RNS.Reticulum(configdir=args.config, loglevel=targetloglevel)
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RNS.compact_log_fmt = True
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if args.stdout:
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RNS.loglevel = -1
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identity = None
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if len(identity_str) == RNS.Reticulum.TRUNCATED_HASHLENGTH//8*2 and not os.path.isfile(identity_str):
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# Try recalling Identity from hex-encoded hash
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try:
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destination_hash = bytes.fromhex(identity_str)
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identity = RNS.Identity.recall(destination_hash)
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if identity == None:
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if not args.request:
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RNS.log("Could not recall Identity for "+RNS.prettyhexrep(destination_hash)+".", RNS.LOG_ERROR)
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RNS.log("You can query the network for unknown Identities with the -R option.", RNS.LOG_ERROR)
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exit(2)
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else:
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RNS.Transport.request_path(destination_hash)
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def spincheck():
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return RNS.Identity.recall(destination_hash) != None
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spin(spincheck, "Requesting unknown Identity for "+RNS.prettyhexrep(destination_hash), args.t)
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if not spincheck():
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RNS.log("Identity request timed out", RNS.LOG_ERROR)
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exit(3)
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else:
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RNS.log("Received Identity "+str(identity)+" for destination "+RNS.prettyhexrep(destination_hash)+" from the network")
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identity = RNS.Identity.recall(destination_hash)
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else:
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RNS.log("Recalled Identity "+str(identity)+" for destination "+RNS.prettyhexrep(destination_hash))
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except Exception as e:
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RNS.log("Invalid hexadecimal hash provided", RNS.LOG_ERROR)
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exit(4)
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else:
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# Try loading Identity from file
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if not os.path.isfile(identity_str):
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RNS.log("Specified Identity file not found")
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exit(5)
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else:
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try:
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identity = RNS.Identity.from_file(identity_str)
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RNS.log("Loaded Identity "+str(identity)+" from "+str(identity_str))
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except Exception as e:
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RNS.log("Could not decode Identity from specified file")
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exit(6)
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if identity != None:
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if args.print_identity:
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RNS.log("Public Key : "+RNS.hexrep(identity.pub_bytes, delimit=False))
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if identity.prv:
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if args.print_private:
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RNS.log("Private Key : "+RNS.hexrep(identity.prv_bytes, delimit=False))
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else:
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RNS.log("Private Key : Hidden")
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exit(0)
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data_input = None
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if args.read:
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if not os.path.isfile(args.read):
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RNS.log("Input file "+str(args.read)+" not found", RNS.LOG_ERROR)
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exit(7)
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else:
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try:
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data_input = open(args.read, "rb")
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except Exception as e:
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RNS.log("Could not open input file for reading", RNS.LOG_ERROR)
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RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
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exit(8)
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# TODO: Actually expand this to a good solution
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# probably need to create a wrapper that takes
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# into account not closing stdin when done
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# elif args.stdin:
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# data_input = sys.stdin
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data_output = None
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if args.encrypt and not args.write and not args.stdout and args.read:
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args.write = str(args.read)+"."+ENCRYPT_EXT
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if args.decrypt and not args.write and not args.stdout and args.read and args.read.lower().endswith("."+ENCRYPT_EXT):
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args.write = str(args.read).replace("."+ENCRYPT_EXT, "")
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if args.write:
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if not args.force and os.path.isfile(args.write):
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RNS.log("Output file "+str(args.write)+" already exists. Not overwriting.", RNS.LOG_ERROR)
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exit(9)
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else:
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try:
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data_output = open(args.write, "wb")
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except Exception as e:
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RNS.log("Could not open output file for writing", RNS.LOG_ERROR)
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RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
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exit(9)
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# TODO: Actually expand this to a good solution
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# probably need to create a wrapper that takes
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# into account not closing stdout when done
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# elif args.stdout:
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# data_output = sys.stdout
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if args.encrypt:
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if not data_input:
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if not args.stdout:
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RNS.log("Encryption requested, but no input data specified", RNS.LOG_ERROR)
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exit(10)
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else:
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if not data_output:
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if not args.stdout:
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RNS.log("Encryption requested, but no output specified", RNS.LOG_ERROR)
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exit(11)
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if not args.stdout:
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RNS.log("Encrypting "+str(args.read))
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try:
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more_data = True
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while more_data:
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chunk = data_input.read(CHUNK_SIZE)
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if chunk:
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data_output.write(identity.encrypt(chunk))
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else:
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more_data = False
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data_output.close()
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data_input.close()
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if not args.stdout:
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if args.read:
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RNS.log("File "+str(args.read)+" encrypted for "+str(identity)+" to "+str(args.write))
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exit(0)
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except Exception as e:
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if not args.stdout:
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RNS.log("An error ocurred while encrypting data.", RNS.LOG_ERROR)
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RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
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try:
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data_output.close()
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except:
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pass
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try:
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data_input.close()
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except:
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pass
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exit(12)
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if args.decrypt:
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if identity.prv == None:
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RNS.log("Specified Identity does not hold a private key. Cannot decrypt.", RNS.LOG_ERROR)
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exit(13)
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if not data_input:
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if not args.stdout:
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RNS.log("Decryption requested, but no input data specified", RNS.LOG_ERROR)
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exit(10)
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else:
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if not data_output:
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if not args.stdout:
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RNS.log("Decryption requested, but no output specified", RNS.LOG_ERROR)
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exit(11)
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if not args.stdout:
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RNS.log("Decrypting "+str(args.read)+"...")
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try:
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more_data = True
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while more_data:
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chunk = data_input.read(CHUNK_SIZE)
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if chunk:
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plaintext = identity.decrypt(chunk)
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if plaintext == None:
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if not args.stdout:
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RNS.log("Data could not be decrypted with the specified Identity")
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exit(14)
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else:
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data_output.write(plaintext)
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else:
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more_data = False
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data_output.close()
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data_input.close()
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if not args.stdout:
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if args.read:
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RNS.log("File "+str(args.read)+" decrypted with "+str(identity)+" to "+str(args.write))
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exit(0)
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except Exception as e:
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if not args.stdout:
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RNS.log("An error ocurred while decrypting data.", RNS.LOG_ERROR)
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RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
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try:
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data_output.close()
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except:
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pass
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try:
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data_input.close()
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except:
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pass
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exit(12)
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if True:
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pass
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elif False:
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pass
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else:
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print("")
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parser.print_help()
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print("")
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except KeyboardInterrupt:
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print("")
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exit()
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if __name__ == "__main__":
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main()
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