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