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exclude_badExits/support_onions.py
emdee 36e0102dcd add exclude_badExits.py
2022-11-16 21:00:16 +00:00

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# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
import os
import sys
import re
import traceback
import shutil
import socket
import select
import time
import getpass
if False:
import cepa as stem
from cepa.control import Controller
from cepa.connection import MissingPassword
from cepa.util.tor_tools import is_valid_fingerprint
else:
import stem
from stem.control import Controller
from stem.connection import MissingPassword
from stem.util.tor_tools import is_valid_fingerprint
global LOG
import logging
import warnings
warnings.filterwarnings('ignore')
LOG = logging.getLogger()
bHAVE_TORR = shutil.which('tor-resolve')
# we check these each time but we got them by sorting bad relays
# in the wild we'll keep a copy here so we can avoid restesting
yKNOWN_NODNS = """
---
- 0x0.is
- a9.wtf
- aklad5.com
- artikel5ev.de
- arvanode.net
- dodo.pm
- dra-family.github.io
- eraldonion.org
- erjan.net
- galtland.network
- ineapple.cx
- lonet.sh
- moneneis.de
- olonet.sh
- or-exit-2.aa78i2efsewr0neeknk.xyz
- or.wowplanet.de
- ormycloud.org
- plied-privacy.net
- rivacysvcs.net
- redacted.org
- rification-for-nusenu.net
- rofl.cat
- rsv.ch
- sv.ch
- thingtohide.nl
- tikel10.org
- tor.wowplanet.de
- tor-exit-2.aa78i2efsewr0neeknk.xyz
- tor-exit-3.aa78i2efsewr0neeknk.xyz
- torix-relays.org
- tse.com
- tuxli.org
- w.digidow.eu
- w.cccs.de
"""
oSTEM_CONTROLER = None
def oGetStemController(log_level=10, sock_or_pair='/run/tor/control'):
global oSTEM_CONTROLER
if oSTEM_CONTROLER: return oSTEM_CONTROLER
from stem.util.log import Runlevel
Runlevel = log_level
if os.path.exists(sock_or_pair):
LOG.info(f"controller from socket {sock_or_pair}")
controller = Controller.from_socket_file(path=sock_or_pair)
else:
if ':' in sock_or_pair:
port = sock_or_pair.split(':')[1]
else:
port = sock_or_pair
try:
port = int(port)
except: port = 9051
LOG.info(f"controller from port {port}")
controller = Controller.from_port(port=port)
try:
controller.authenticate()
except (Exception, MissingPassword):
sys.stdout.flush()
p = getpass.unix_getpass(prompt='Controller Password: ', stream=sys.stderr)
controller.authenticate(p)
oSTEM_CONTROLER = controller
LOG.debug(f"{controller}")
return oSTEM_CONTROLER
def bAreWeConnected():
# FixMe: Linux only
sFile = f"/proc/{os.getpid()}/net/route"
if not os.path.isfile(sFile): return None
i = 0
for elt in open(sFile, "r").readlines():
if elt.startswith('Iface'): continue
if elt.startswith('lo'): continue
i += 1
return i > 0
def sMapaddressResolv(target, iPort=9051, log_level=10):
if not stem:
LOG.warn('please install the stem Python package')
return ''
try:
controller = oGetStemController(log_level=log_level)
map_dict = {"0.0.0.0": target}
map_ret = controller.map_address(map_dict)
return map_ret
except Exception as e:
LOG.exception(e)
return ''
def vwait_for_controller(controller, wait_boot=10):
if bAreWeConnected() is False:
raise SystemExit("we are not connected")
percent = i = 0
# You can call this while boostrapping
while percent < 100 and i < wait_boot:
bootstrap_status = controller.get_info("status/bootstrap-phase")
progress_percent = re.match('.* PROGRESS=([0-9]+).*', bootstrap_status)
percent = int(progress_percent.group(1))
LOG.info(f"Bootstrapping {percent}%")
time.sleep(5)
i += 5
def bin_to_hex(raw_id, length=None):
if length is None: length = len(raw_id)
res = ''.join('{:02x}'.format(raw_id[i]) for i in range(length))
return res.upper()
def lIntroductionPoints(controller=None, lOnions=[], itimeout=120, log_level=10):
"""now working !!! stem 1.8.x timeout must be huge >120
'Provides the descriptor for a hidden service. The **address** is the
'.onion' address of the hidden service '
What about Services?
"""
try:
from cryptography.utils import int_from_bytes
except ImportError:
# guessing - not in the current cryptography but stem expects it
def int_from_bytes(**args): return int.to_bytes(*args)
cryptography.utils.int_from_bytes = int_from_bytes
# this will fai if the trick above didnt work
from stem.prereq import is_crypto_available
is_crypto_available(ed25519 = True)
from stem.descriptor.hidden_service import HiddenServiceDescriptorV3
from stem.client.datatype import LinkByFingerprint
from stem import Timeout
from queue import Empty
if type(lOnions) not in [set, tuple, list]:
lOnions = list(lOnions)
if controller is None:
controller = oGetStemController(log_level=log_level)
l = []
for elt in lOnions:
LOG.info(f"controller.get_hidden_service_descriptor {elt}")
try:
desc = controller.get_hidden_service_descriptor(elt,
await_result=True,
timeout=itimeout)
# LOG.log(40, f"{dir(desc)} get_hidden_service_descriptor")
# timeouts 20 sec
# mistakenly a HSv2 descriptor
hs_address = HiddenServiceDescriptorV3.from_str(str(desc)) # reparse as HSv3
oInnerLayer = hs_address.decrypt(elt)
# LOG.log(40, f"{dir(oInnerLayer)}")
# IntroductionPointV3
n = oInnerLayer.introduction_points
if not n:
LOG.warn(f"NO introduction points for {elt}")
continue
LOG.info(f"{elt} {len(n)} introduction points")
lp = []
for introduction_point in n:
for linkspecifier in introduction_point.link_specifiers:
if isinstance(linkspecifier, LinkByFingerprint):
# LOG.log(40, f"Getting fingerprint for {linkspecifier}")
if hasattr(linkspecifier, 'fingerprint'):
assert len(linkspecifier.value) == 20
lp += [bin_to_hex(linkspecifier.value)]
LOG.info(f"{len(lp)} introduction points for {elt}")
l += lp
except (Empty, Timeout, ) as e:
LOG.warn(f"Timed out getting introduction points for {elt}")
continue
except Exception as e:
LOG.exception(e)
return l
def zResolveDomain(domain):
try:
ip = sTorResolve(domain)
except Exception as e:
ip = ''
if ip == '':
try:
lpair = getaddrinfo(domain, 443)
except Exception as e:
LOG.warn("{e}")
lpair = None
if lpair is None:
LOG.warn(f"TorResolv and getaddrinfo failed for {domain}")
return ''
ip = lpair[0]
return ip
def sTorResolve(target,
verbose=False,
sHost='127.0.0.1',
iPort=9050,
SOCK_TIMEOUT_SECONDS=10.0,
SOCK_TIMEOUT_TRIES=3,
):
MAX_INFO_RESPONSE_PACKET_LENGTH = 8
if '@' in target:
LOG.warn(f"sTorResolve failed invalid hostname {target}" )
return ''
target = target.strip('/')
seb = b"\o004\o360\o000\o000\o000\o000\o000\o001\o000"
seb = b"\x04\xf0\x00\x00\x00\x00\x00\x01\x00"
seb += bytes(target, 'US-ASCII') + b"\x00"
assert len(seb) == 10+len(target), str(len(seb))+repr(seb)
# LOG.debug(f"0 Sending {len(seb)} to The TOR proxy {seb}")
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((sHost, iPort))
sock.settimeout(SOCK_TIMEOUT_SECONDS)
oRet = sock.sendall(seb)
i = 0
data = ''
while i < SOCK_TIMEOUT_TRIES:
i += 1
time.sleep(3)
lReady = select.select([sock.fileno()], [], [],
SOCK_TIMEOUT_SECONDS)
if not lReady[0]: continue
try:
flags=socket.MSG_WAITALL
data = sock.recv(MAX_INFO_RESPONSE_PACKET_LENGTH, flags)
except socket.timeout:
LOG.warn("4 The TOR proxy " \
+repr((sHost, iPort)) \
+" didnt reply in " + str(SOCK_TIMEOUT_SECONDS) + " sec."
+" #" +str(i))
except Exception as e:
LOG.error("4 The TOR proxy " \
+repr((sHost, iPort)) \
+" errored with " + str(e)
+" #" +str(i))
sock.close()
raise SystemExit(4)
else:
if len(data) > 0: break
if len(data) == 0:
if i > SOCK_TIMEOUT_TRIES:
sLabel = "5 No reply #"
else:
sLabel = "5 No data #"
LOG.info(sLabel +f"{i} on {sHost}:{iPort}" )
sock.close()
raise SystemExit(5)
assert len(data) >= 8
packet_sf = data[1]
if packet_sf == 90:
# , "%d" % packet_sf
assert f"{packet_sf}" == "90", f"packet_sf = {packet_sf}"
return f"{data[4]}.{data[5]}.{data[6]}.{data[7]}"
else:
# 91
LOG.warn(f"tor-resolve failed for {target} on {sHost}:{iPort}" )
os.system(f"tor-resolve -4 {target} > /tmp/e 2>/dev/null")
# os.system("strace tor-resolve -4 "+target+" 2>&1|grep '^sen\|^rec'")
return ''
def getaddrinfo(sHost, sPort):
# do this the explicit way = Ive seen the compact connect fail
# >>> sHost, sPort = 'l27.0.0.1', 33446
# >>> sock.connect((sHost, sPort))
# socket.gaierror: [Errno -2] Name or service not known
try:
lElts = socket.getaddrinfo(sHost, int(sPort), socket.AF_INET)
lElts = list(filter(lambda elt: elt[1] == socket.SOCK_DGRAM, lElts))
assert len(lElts) == 1, repr(lElts)
lPair = lElts[0][-1]
assert len(lPair) == 2, repr(lPair)
assert type(lPair[1]) == int, repr(lPair)
except (socket.gaierror, OSError, BaseException) as e:
LOG.error(e)
return None
return lPair
def icheck_torrc(sFile, oArgs):
l = open(sFile, 'rt').readlines()
a = {}
for elt in l:
elt = elt.strip()
if not elt or not ' ' in elt: continue
k,v = elt.split(' ', 1)
a[k] = v
keys = a
if 'HashedControlPassword' not in keys:
LOG.info('Add HashedControlPassword for security')
print('run: tor --hashcontrolpassword <TopSecretWord>')
if 'ExcludeExitNodes' in keys:
elt = 'BadNodes.ExcludeExitNodes.BadExit'
LOG.warn(f"Remove ExcludeNodes and move then to {oArgs.bad_nodes}")
print(f"move to the {elt} section as a list")
if 'GuardNodes' in keys:
elt = 'GoodNodes.GuardNodes'
LOG.warn(f"Remove GuardNodes and move then to {oArgs.good_nodes}")
print(f"move to the {elt} section as a list")
if 'ExcludeNodes' in keys:
elt = 'BadNodes.ExcludeNodes.BadExit'
LOG.warn(f"Remove ExcludeNodes and move then to {oArgs.bad_nodes}")
print(f"move to the {elt} section as a list")
if 'ControlSocket' not in keys and os.path.exists('/run/tor/control'):
LOG.info('Add ControlSocket /run/tor/control for us')
print('ControlSocket /run/tor/control GroupWritable RelaxDirModeCheck')
if 'UseMicrodescriptors' not in keys or keys['UseMicrodescriptors'] != '1':
LOG.info('Add UseMicrodescriptors 0 for us')
print('UseMicrodescriptors 0')
if 'AutomapHostsSuffixes' not in keys:
LOG.info('Add AutomapHostsSuffixes for onions')
print('AutomapHostsSuffixes .exit,.onion')
if 'AutoMapHostsOnResolve' not in keys:
LOG.info('Add AutoMapHostsOnResolve for onions')
print('AutoMapHostsOnResolve 1')
if 'VirtualAddrNetworkIPv4' not in keys:
LOG.info('Add VirtualAddrNetworkIPv4 for onions')
print('VirtualAddrNetworkIPv4 172.16.0.0/12')
return 0
def lExitExcluder(oArgs, iPort=9051, log_level=10):
"""
https://raw.githubusercontent.com/nusenu/noContactInfo_Exit_Excluder/main/exclude_noContactInfo_Exits.py
"""
if not stem:
LOG.warn('please install the stem Python package')
return ''
LOG.debug('lExcludeExitNodes')
try:
controller = oGetStemController(log_level=log_level)
# generator
relays = controller.get_server_descriptors()
except Exception as e:
LOG.error(f'Failed to get relay descriptors {e}')
return None
if controller.is_set('ExcludeExitNodes'):
LOG.info('ExcludeExitNodes is in use already.')
return None
exit_excludelist=[]
LOG.debug("Excluded exit relays:")
for relay in relays:
if relay.exit_policy.is_exiting_allowed() and not relay.contact:
if is_valid_fingerprint(relay.fingerprint):
exit_excludelist.append(relay.fingerprint)
LOG.debug("https://metrics.torproject.org/rs.html#details/%s" % relay.fingerprint)
else:
LOG.warn('Invalid Fingerprint: %s' % relay.fingerprint)
try:
controller.set_conf('ExcludeExitNodes', exit_excludelist)
LOG.info('Excluded a total of %s exit relays without ContactInfo from the exit position.' % len(exit_excludelist))
except Exception as e:
LOG.exception('ExcludeExitNodes ' +str(e))
return exit_excludelist
if __name__ == '__main__':
target = 'duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad'
controller = oGetStemController(log_level=10)
lIntroductionPoints(controller, [target], itimeout=120)
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