def main(args):
tun = Tun(args.device, args.ip, args.peer_ip)
tun.open()
if args.mode == 'server':
server_main(args, tun)
else:
client_main(args, tun)
def main(args):
tun = Tun(device=args.device, ip=args.ip, peer_ip=args.peer_ip)
tun.open()
netseg = '.'.join(args.ip.split('.')[:3] + ['0/24'])
call(['iptables', '-t', 'nat', '-D', 'POSTROUTING', '-s', netseg, '-j', 'MASQUERADE'])
check_call(['iptables', '-t', 'nat', '-A', 'POSTROUTING', '-s', netseg, '-j', 'MASQUERADE'])
logger.info("listen at port %d", args.port)
server = TCPServer(('0.0.0.0', args.port), MyHandlerFactory(tun))
server.serve_forever()
def main(args):
tun = Tun(device=args.device, ip=args.ip, peer_ip=args.peer_ip)
tun.open()
netseg = '.'.join(args.ip.split('.')[:3] + ['0/24'])
call([
'iptables', '-t', 'nat', '-D', 'POSTROUTING', '-s', netseg, '-j',
'MASQUERADE'
])
check_call([
'iptables', '-t', 'nat', '-A', 'POSTROUTING', '-s', netseg, '-j',
'MASQUERADE'
])
logger.info("listen at port %d", args.port)
server = TCPServer(('0.0.0.0', args.port), MyHandlerFactory(tun))
server.serve_forever()
def main(args):
tun = Tun(device=args.device, ip=args.ip, peer_ip=args.peer_ip)
tun.open()
sock = socket()
server_ip = gethostbyname(args.server)
logger.info("%s resolved to %s", args.server, server_ip)
try:
sock.connect((server_ip, args.port))
logger.info("connected to %s:%i" % (server_ip, args.port))
sock.send(MAGIC_WORD)
data = sock.recv(len(MAGIC_WORD))
if data != MAGIC_WORD:
logger.warning("Handshake failed")
sys.exit(2)
logger.info("Connection with %s:%i established" %
(server_ip, args.port))
gateway = get_default_gateway()
if args.down:
atexit.register(
on_down,
args.down,
server_ip=server_ip,
restore_gateway=gateway if args.default_gateway else None)
call(['route', 'delete', server_ip + '/32'])
check_call(['route', 'add', server_ip + '/32', gateway])
if args.default_gateway:
logger.info("set default gateway")
call(['route', 'delete', 'default'])
check_call(['route', 'add', 'default', args.peer_ip])
if args.up:
logger.info("Run up script")
check_call(args.up)
proxy(tun.fd, sock)
except KeyboardInterrupt:
logger.warning("Stopped by user")
def main(args):
tun = Tun(device=args.device, ip=args.ip, peer_ip=args.peer_ip)
tun.open()
sock = socket()
server_ip = gethostbyname(args.server)
logger.info("%s resolved to %s", args.server, server_ip)
try:
sock.connect((server_ip, args.port))
logger.info("connected to %s:%i" % (server_ip, args.port))
sock.send(MAGIC_WORD)
data = sock.recv(len(MAGIC_WORD))
if data != MAGIC_WORD:
logger.warning("Handshake failed")
sys.exit(2)
logger.info("Connection with %s:%i established" % (server_ip, args.port))
gateway = get_default_gateway()
if args.down:
atexit.register(on_down, args.down,
server_ip=server_ip,
restore_gateway=gateway if args.default_gateway else None)
call(['route', 'delete', server_ip+'/32'])
check_call(['route', 'add', server_ip+'/32', gateway])
if args.default_gateway:
logger.info("set default gateway")
call(['route', 'delete', 'default'])
check_call(['route', 'add', 'default', args.peer_ip])
if args.up:
logger.info("Run up script")
check_call(args.up)
proxy(tun.fd, sock)
except KeyboardInterrupt:
logger.warning("Stopped by user")
