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