146 lines
5.3 KiB
Python
Executable File
146 lines
5.3 KiB
Python
Executable File
#! /usr/bin/env python2
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# Written by Rupe version 2
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#
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"""
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Tor Iptables script is an anonymizer
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that sets up iptables and tor to route all services
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and traffic including DNS through the tor network.
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"""
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from __future__ import print_function
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from commands import getoutput
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from subprocess import call, check_call, CalledProcessError
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from os.path import isfile, basename
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from os import devnull
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from sys import stdout, stderr
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from atexit import register
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from argparse import ArgumentParser
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from json import load
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from urllib2 import urlopen, URLError
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from time import sleep
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class TorIptables(object):
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def __init__(self):
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self.local_dnsport = "53" # DNSPort
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self.virtual_net = "10.0.0.0/10" # VirtualAddrNetwork
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self.local_loopback = "127.0.0.1" # Local loopback
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self.non_tor_net = ["192.168.0.0/16", "172.16.0.0/12"]
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self.non_tor = ["127.0.0.0/9", "127.128.0.0/10", "127.0.0.0/8"]
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self.tor_uid = getoutput("id -ur tor") # Tor user uid
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self.trans_port = "9040" # Tor port
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self.tor_config_file = '/etc/tor/torrc'
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self.torrc = r'''
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## Inserted by %s for tor iptables rules set
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## Transparently route all traffic thru tor on port %s
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VirtualAddrNetwork %s
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AutomapHostsOnResolve 1
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TransPort %s
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DNSPort %s
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''' % (basename(__file__), self.trans_port, self.virtual_net,
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self.trans_port, self.local_dnsport)
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def flush_iptables_rules(self):
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call(["iptables", "-F"])
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call(["iptables", "-t", "nat", "-F"])
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def load_iptables_rules(self):
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self.flush_iptables_rules()
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self.non_tor.extend(self.non_tor_net)
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@register
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def restart_tor():
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fnull = open(devnull, 'w')
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try:
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tor_restart = check_call(
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["/etc/rc.d/rc.tor", "restart"],
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stdout=fnull, stderr=fnull)
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if tor_restart is 0:
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print(" {0}".format(
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"[\033[92m+\033[0m] Anonymizer status \033[92m[ON]\033[0m"))
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print(" {0}".format(
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"[\033[92m*\033[0m] Getting public IP, please wait..."))
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retries = 0
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my_public_ip = None
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while retries < 12 and not my_public_ip:
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retries += 1
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try:
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my_public_ip = load(urlopen('http://ip.thisco.de/json'))['ip']
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except URLError:
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sleep(5)
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print(" [\033[93m?\033[0m] Still waiting for IP address...")
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print
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if not my_public_ip:
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my_public_ip = getoutput('wget -qO - v4.ifconfig.co')
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if not my_public_ip:
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exit(" \033[91m[!]\033[0m Can't get public ip address!")
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print(" {0}".format("[\033[92m+\033[0m] Your IP is \033[92m%s\033[0m" % my_public_ip))
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except CalledProcessError as err:
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print("\033[91m[!] Command failed: %s\033[0m" % ' '.join(err.cmd))
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# See https://trac.torproject.org/projects/tor/wiki/doc/TransparentProxy#WARNING
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# See https://lists.torproject.org/pipermail/tor-talk/2014-March/032503.html
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call(["iptables", "-I", "OUTPUT", "!", "-o", "lo", "!", "-d",
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self.local_loopback, "!", "-s", self.local_loopback, "-p", "tcp",
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"-m", "tcp", "--tcp-flags", "ACK,FIN", "ACK,FIN", "-j", "DROP"])
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call(["iptables", "-I", "OUTPUT", "!", "-o", "lo", "!", "-d",
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self.local_loopback, "!", "-s", self.local_loopback, "-p", "tcp",
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"-m", "tcp", "--tcp-flags", "ACK,RST", "ACK,RST", "-j", "DROP"])
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call(["iptables", "-t", "nat", "-A", "OUTPUT", "-m", "owner", "--uid-owner",
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"%s" % self.tor_uid, "-j", "RETURN"])
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call(["iptables", "-t", "nat", "-A", "OUTPUT", "-p", "udp", "--dport",
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self.local_dnsport, "-j", "REDIRECT", "--to-ports", self.local_dnsport])
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for net in self.non_tor:
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call(["iptables", "-t", "nat", "-A", "OUTPUT", "-d", "%s" % net, "-j",
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"RETURN"])
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call(["iptables", "-t", "nat", "-A", "OUTPUT", "-p", "tcp", "--syn", "-j",
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"REDIRECT", "--to-ports", "%s" % self.trans_port])
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call(["iptables", "-A", "OUTPUT", "-m", "state", "--state",
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"ESTABLISHED,RELATED", "-j", "ACCEPT"])
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for net in self.non_tor:
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call(["iptables", "-A", "OUTPUT", "-d", "%s" % net, "-j", "ACCEPT"])
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call(["iptables", "-A", "OUTPUT", "-m", "owner", "--uid-owner", "%s" %
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self.tor_uid, "-j", "ACCEPT"])
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call(["iptables", "-A", "OUTPUT", "-j", "REJECT"])
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if __name__ == '__main__':
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parser = ArgumentParser(
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description=
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'Tor Iptables script for loading and unloading iptables rules')
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parser.add_argument('-l',
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'--load',
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action='store_true',
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help='This option will load tor iptables rules')
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parser.add_argument('-f',
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'--flush',
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action='store_true',
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help='This option flushes the iptables rules to default')
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args = parser.parse_args()
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try:
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load_tables = TorIptables()
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if isfile(load_tables.tor_config_file):
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if not 'VirtualAddrNetwork' in open(load_tables.tor_config_file).read():
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with open(load_tables.tor_config_file, 'a+') as torrconf:
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torrconf.write(load_tables.torrc)
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if args.load:
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load_tables.load_iptables_rules()
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elif args.flush:
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load_tables.flush_iptables_rules()
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print(" {0}".format(
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"[\033[93m!\033[0m] Anonymizer status \033[91m[OFF]\033[0m"))
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else:
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parser.print_help()
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except Exception as err:
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print("[!] Run as super user: %s" % err[1])
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