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Added rncp utility

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Mark Qvist 2022-05-22 23:44:32 +02:00
parent ac4606bcf7
commit a79f6e7efa
2 changed files with 383 additions and 0 deletions
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RNS/Transport.py
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@ -543,8 +543,10 @@ class Transport:
sleep(0.01)
Transport.jobs_locked = True
# TODO: This updateHash call might be redundant
packet.update_hash()
sent = False
outbound_time = time.time()

381
RNS/Utilities/rncp.py Normal file
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@ -0,0 +1,381 @@
#!/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 argparse
import time
import sys
import os
from RNS._version import __version__
APP_NAME = "rncp"
allow_all = False
allowed_identity_hashes = []
def receive(configdir, verbosity = 0, quietness = 0, allowed = [], display_identity = False, limit = None, disable_auth = None,disable_announce=False):
global allow_all, allowed_identity_hashes
identity = None
targetloglevel = 3+verbosity-quietness
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("No valid saved identity found, creating new...", RNS.LOG_INFO)
identity = RNS.Identity()
identity.to_file(identity_path)
destination = RNS.Destination(identity, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "receive")
if display_identity:
print("Identity : "+str(identity))
print("Receiving on : "+RNS.prettyhexrep(destination.hash))
exit(0)
if disable_auth:
allow_all = True
else:
if allowed != 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)
except Exception as e:
raise ValueError("Invalid destination entered. Check your input.")
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, rncp will not accept any files!")
destination.set_link_established_callback(receive_link_established)
print("rncp ready to receive on "+RNS.prettyhexrep(destination.hash))
if not disable_announce:
destination.announce()
while True:
time.sleep(1)
def receive_link_established(link):
RNS.log("Incoming link established", RNS.LOG_VERBOSE)
link.set_remote_identified_callback(receive_sender_identified)
link.set_resource_strategy(RNS.Link.ACCEPT_APP)
link.set_resource_callback(receive_resource_callback)
link.set_resource_started_callback(receive_resource_started)
link.set_resource_concluded_callback(receive_resource_concluded)
def receive_sender_identified(link, identity):
if identity.hash in allowed_identity_hashes:
RNS.log("Authenticated sender", RNS.LOG_VERBOSE)
else:
RNS.log("Sender not allowed, tearing down link", RNS.LOG_VERBOSE)
link.teardown()
def receive_resource_callback(resource):
sender_identity = resource.link.get_remote_identity()
if sender_identity != None:
if sender_identity.hash in allowed_identity_hashes:
print("Allowing sender")
return True
print("Rejecting sender")
return False
def receive_resource_started(resource):
if resource.link.get_remote_identity():
id_str = " from "+RNS.prettyhexrep(resource.link.get_remote_identity().hash)
else:
id_str = ""
print("Starting resource transfer "+RNS.prettyhexrep(resource.hash)+id_str)
def receive_resource_concluded(resource):
if resource.status == RNS.Resource.COMPLETE:
print(str(resource)+" completed")
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
saved_filename = filename
while os.path.isfile(saved_filename):
counter += 1
saved_filename = filename+"."+str(counter)
file = open(saved_filename, "wb")
file.write(resource.data.read())
file.close()
else:
print("Invalid data received, ignoring resource")
else:
print("Resource failed")
resource_done = False
current_resource = None
stats = []
speed = 0.0
def sender_progress(resource):
stats_max = 32
global current_resource, stats, speed, resource_done
current_resource = resource
now = time.time()
got = current_resource.get_progress()*current_resource.total_size
entry = [now, got]
stats.append(entry)
while len(stats) > stats_max:
stats.pop(0)
span = now - stats[0][0]
if span == 0:
speed = 0
else:
diff = got - stats[0][1]
speed = diff/span
if resource.status < RNS.Resource.COMPLETE:
resource_done = False
else:
resource_done = True
link = None
def send(configdir, verbosity = 0, quietness = 0, destination = None, file = None, timeout = RNS.Transport.PATH_REQUEST_TIMEOUT):
global current_resource, resource_done, link, speed
from tempfile import TemporaryFile
targetloglevel = 3+verbosity-quietness
try:
dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
if len(destination) != 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(destination)
except Exception as e:
raise ValueError("Invalid destination entered. Check your input.")
except Exception as e:
print(str(e))
exit(1)
file_path = os.path.expanduser(file)
if not os.path.isfile(file_path):
print("File not found")
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")
exit(1)
else:
print("Preparing file...", end=" ")
temp_file.write(filename_len.to_bytes(2, "big"))
temp_file.write(filename_bytes)
temp_file.write(real_file.read())
temp_file.seek(0)
print("\r \r", 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("No valid saved identity found, creating new...", RNS.LOG_INFO)
identity = RNS.Identity()
identity.to_file(identity_path)
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 = "⢄⢂⢁⡁⡈⡐⡠"
estab_timeout = time.time()+timeout
while not RNS.Transport.has_path(destination_hash) and time.time() < estab_timeout:
time.sleep(0.1)
print(("\b\b"+syms[i]+" "), end="")
sys.stdout.flush()
i = (i+1)%len(syms)
if not RNS.Transport.has_path(destination_hash):
print("\r \rPath not found")
exit(1)
else:
print("\r \rEstablishing link with "+RNS.prettyhexrep(destination_hash)+" ", end=" ")
receiver_identity = RNS.Identity.recall(destination_hash)
receiver_destination = RNS.Destination(
receiver_identity,
RNS.Destination.OUT,
RNS.Destination.SINGLE,
APP_NAME,
"receive"
)
link = RNS.Link(receiver_destination)
while link.status != RNS.Link.ACTIVE and time.time() < estab_timeout:
time.sleep(0.1)
print(("\b\b"+syms[i]+" "), end="")
sys.stdout.flush()
i = (i+1)%len(syms)
if not RNS.Transport.has_path(destination_hash):
print("\r \rCould not establish link with "+RNS.prettyhexrep(destination_hash))
exit(1)
else:
print("\r \rAdvertising file resource ", end=" ")
link.identify(identity)
resource = RNS.Resource(temp_file, link, callback = sender_progress, progress_callback = sender_progress)
current_resource = resource
while resource.status < RNS.Resource.TRANSFERRING:
time.sleep(0.1)
print(("\b\b"+syms[i]+" "), end="")
sys.stdout.flush()
i = (i+1)%len(syms)
if resource.status > RNS.Resource.COMPLETE:
print("\r \rFile was not accepted by "+RNS.prettyhexrep(destination_hash))
exit(1)
else:
print("\r \rTransferring file ", end=" ")
while not resource_done:
time.sleep(0.1)
prg = current_resource.get_progress()
percent = round(prg * 100.0, 1)
stat_str = str(percent)+"% - " + size_str(int(prg*current_resource.total_size)) + " of " + size_str(current_resource.total_size) + " - " +size_str(speed, "b")+"ps"
print("\r \rTransferring file "+syms[i]+" "+stat_str, end=" ")
sys.stdout.flush()
i = (i+1)%len(syms)
if current_resource.status != RNS.Resource.COMPLETE:
print("\r \rThe transfer failed")
exit(1)
else:
print("\r \r"+str(file_path)+" copied to "+RNS.prettyhexrep(destination_hash))
link.teardown()
time.sleep(0.25)
real_file.close()
temp_file.close()
exit(0)
def main():
try:
parser = argparse.ArgumentParser(description="Reticulum File Transfer Utility")
parser.add_argument("file", nargs="?", default=None, help="file to be transferred", type=str)
parser.add_argument("destination", nargs="?", default=None, help="hexadecimal hash of the receiver", type=str)
parser.add_argument("--config", metavar="path", action="store", default=None, help="path to alternative Reticulum config directory", 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('-i', '--identity', action='store_true', default=False, help="print identity and destination info and exit")
parser.add_argument("-r", '--receive', action='store_true', default=False, help="wait for incoming files")
parser.add_argument("-b", '--no-announce', action='store_true', default=False, help="don't announce at program start")
parser.add_argument('-a', '--allow', action='append', help="accept from this identity", type=str)
parser.add_argument('-n', '--no-auth', action='store_true', default=False, help="accept files from anyone")
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("--limit", action="store", metavar="files", type=float, help="maximum number of files to accept", default=None)
parser.add_argument("--version", action="version", version="rncp {version}".format(version=__version__))
args = parser.parse_args()
if args.receive or args.identity:
receive(
configdir = args.config,
verbosity=args.verbose,
quietness=args.quiet,
allowed = args.allow,
display_identity=args.identity,
# limit=args.limit,
disable_auth=args.no_auth,
disable_announce=args.no_announce,
)
elif args.destination != None and args.file != None:
send(
configdir = args.config,
verbosity = args.verbose,
quietness = args.quiet,
destination = args.destination,
file = args.file,
timeout = args.w,
)
else:
print("")
parser.print_help()
print("")
except KeyboardInterrupt:
print("")
if resource != None:
resource.cancel()
if link != None:
link.teardown()
exit()
def size_str(num, suffix='B'):
units = ['','K','M','G','T','P','E','Z']
last_unit = 'Y'
if suffix == 'b':
num *= 8
units = ['','K','M','G','T','P','E','Z']
last_unit = 'Y'
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)
num /= 1000.0
return "%.2f%s%s" % (num, last_unit, suffix)
if __name__ == "__main__":
main()