enable-routing.py

enable-routing.py

import subprocess
import os

if __name__ != "__main__":
    exit(0) 

#local socks proxy address
_SOCKS_SERVER = "127.0.0.1:###"
#remote server address
_SERVER = "106.###.###.###"
#local gateway
_GATEWAY = "########"
#local dns
_DNS = "114.114.114.114"
#router addr
_ROUTER = "10.0.0.2"
#router netmask
_NETMASK = "255.255.255.0"
#tun2socks location
_tun2socks = "pathto/tun2socks/badvpn-tun2socks"
_call = subprocess.call

print """\
#################
setup router
#################
""" 
import getpass
_user = getpass.getuser()
_call("ip tuntap add dev tun0 mode tun user %s" % (_user), shell=True)
_call("ifconfig tun0 %s netmask %s" % (_ROUTER, _NETMASK), shell = True)
print """\
##################
enable tun2socks
##################
"""
status = os.fork()
if status == 0:
    os.execvp(_tun2socks, ["tun2socks",
                          "--tundev", "tun0",
                          "--netif-ipaddr", _ROUTER,
                          "--netif-netmask", _NETMASK,
                          "--socks-server-addr", _SOCKS_SERVER
                          ])
    exit(0)
print """\
####################
set routing table
####################
""" 
_call("route add %s gw %s metric 5" % (_SERVER, _GATEWAY), shell=True)
_call("route add %s gw %s metric 5" % (_DNS, _GATEWAY), shell=True)
_call("route del default", shell=True)
_call("route add default gw %s metric 6" % (_ROUTER), shell=True)
_call("route add default gw %s metric 7" % (_GATEWAY), shell=True)