Reticulum/RNS/Utilities/rnpath.py
2022-04-20 11:22:52 +02:00

174 lines
6.0 KiB
Python

#!/usr/bin/env python3
# MIT License
#
# Copyright (c) 2016-2022 Mark Qvist / unsigned.io
#
# 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.
import RNS
import sys
import time
import argparse
from RNS._version import __version__
def program_setup(configdir, table, drop, destination_hexhash, verbosity):
if table:
reticulum = RNS.Reticulum(configdir = configdir, loglevel = 3+verbosity)
table = sorted(reticulum.get_path_table(), key=lambda e: (e["interface"], e["hops"]) )
for path in table:
exp_str = RNS.timestamp_str(path["expires"])
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"]))
elif drop:
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.")
except Exception as e:
print(str(e))
exit()
reticulum = RNS.Reticulum(configdir = configdir, loglevel = 3+verbosity)
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?")
else:
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.")
except Exception as e:
print(str(e))
exit()
reticulum = RNS.Reticulum(configdir = configdir, loglevel = 3+verbosity)
if not RNS.Transport.has_path(destination_hash):
RNS.Transport.request_path(destination_hash)
print("Path to "+RNS.prettyhexrep(destination_hash)+" requested ", end=" ")
sys.stdout.flush()
i = 0
syms = "⢄⢂⢁⡁⡈⡐⡠"
while not RNS.Transport.has_path(destination_hash):
time.sleep(0.1)
print(("\b\b"+syms[i]+" "), end="")
sys.stdout.flush()
i = (i+1)%len(syms)
hops = RNS.Transport.hops_to(destination_hash)
next_hop = RNS.prettyhexrep(reticulum.get_next_hop(destination_hash))
next_hop_interface = reticulum.get_next_hop_if_name(destination_hash)
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)
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(
"-d",
"--drop",
action="store_true",
help="remove the path to a destination",
default=False
)
parser.add_argument(
"destination",
nargs="?",
default=None,
help="hexadecimal hash of the destination",
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 not args.table and not args.destination:
print("")
parser.print_help()
print("")
else:
program_setup(
configdir = configarg,
table = args.table,
drop = args.drop,
destination_hexhash = args.destination,
verbosity = args.verbose
)
except KeyboardInterrupt:
print("")
exit()
if __name__ == "__main__":
main()