def run_server():
def child_handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
list(
map(lambda s: s.close(next_tick=True),
tcp_servers + udp_servers))
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM),
child_handler)
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
try:
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
list(map(lambda s: s.add_to_loop(loop), tcp_servers + udp_servers))
daemon.set_user(config.get('user', None))
loop.run()
except Exception as e:
shell.print_exception(e)
sys.exit(1)
def test():
dns_resolver = DNSResolver()
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
global counter
counter = 0
def make_callback():
global counter
def callback(result, error):
global counter
# TODO: what can we assert?
print(result, error)
counter += 1
if counter == 9:
dns_resolver.close()
loop.stop()
a_callback = callback
return a_callback
assert (make_callback() != make_callback())
dns_resolver.resolve(b'google.com', make_callback())
dns_resolver.resolve('google.com', make_callback())
dns_resolver.resolve('example.com', make_callback())
dns_resolver.resolve('ipv6.google.com', make_callback())
dns_resolver.resolve('www.facebook.com', make_callback())
dns_resolver.resolve('ns2.google.com', make_callback())
dns_resolver.resolve('invalid.@!#$%^&[email protected]', make_callback())
dns_resolver.resolve(
'toooooooooooooooooooooooooooooooooooooooooooooooooo'
'ooooooooooooooooooooooooooooooooooooooooooooooooooo'
'long.hostname', make_callback())
dns_resolver.resolve(
'toooooooooooooooooooooooooooooooooooooooooooooooooo'
'ooooooooooooooooooooooooooooooooooooooooooooooooooo'
'ooooooooooooooooooooooooooooooooooooooooooooooooooo'
'ooooooooooooooooooooooooooooooooooooooooooooooooooo'
'ooooooooooooooooooooooooooooooooooooooooooooooooooo'
'ooooooooooooooooooooooooooooooooooooooooooooooooooo'
'long.hostname', make_callback())
loop.run()
def main():
shell.check_python()
# fix py2exe
if hasattr(sys, "frozen") and sys.frozen in \
("windows_exe", "console_exe"):
p = os.path.dirname(os.path.abspath(sys.executable))
os.chdir(p)
config = shell.get_config(True)
daemon.daemon_exec(config)
dns_resolver = asyncdns.DNSResolver()
loop = eventloop.EventLoop()
dns_resolver.add_to_loop(loop)
_config = config.copy()
_config["local_port"] = _config["tunnel_port"]
logging.info("starting tcp tunnel at %s:%d forward to %s:%d" %
(_config['local_address'], _config['local_port'],
_config['tunnel_remote'], _config['tunnel_remote_port']))
tunnel_tcp_server = tcprelay.TCPRelay(_config, dns_resolver, True)
tunnel_tcp_server._is_tunnel = True
tunnel_tcp_server.add_to_loop(loop)
logging.info("starting udp tunnel at %s:%d forward to %s:%d" %
(_config['local_address'], _config['local_port'],
_config['tunnel_remote'], _config['tunnel_remote_port']))
tunnel_udp_server = udprelay.UDPRelay(_config, dns_resolver, True)
tunnel_udp_server._is_tunnel = True
tunnel_udp_server.add_to_loop(loop)
def handler(signum, _):
logging.warn('received SIGQUIT, doing graceful shutting down..')
tunnel_tcp_server.close(next_tick=True)
tunnel_udp_server.close(next_tick=True)
signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM), handler)
def int_handler(signum, _):
sys.exit(1)
signal.signal(signal.SIGINT, int_handler)
daemon.set_user(config.get('user', None))
loop.run()
def __init__(self, config):
self._config = config
self._relays = {} # (tcprelay, udprelay)
self._loop = eventloop.EventLoop()
self._dns_resolver = asyncdns.DNSResolver()
self._dns_resolver.add_to_loop(self._loop)
self._statistics = collections.defaultdict(int)
self._control_client_addr = None
try:
manager_address = config['manager_address']
if ':' in manager_address:
addr = manager_address.rsplit(':', 1)
addr = addr[0], int(addr[1])
addrs = socket.getaddrinfo(addr[0], addr[1])
if addrs:
family = addrs[0][0]
else:
logging.error('invalid address: %s', manager_address)
exit(1)
else:
addr = manager_address
family = socket.AF_UNIX
self._control_socket = socket.socket(family, socket.SOCK_DGRAM)
self._control_socket.bind(addr)
self._control_socket.setblocking(False)
except (OSError, IOError) as e:
logging.error(e)
logging.error('can not bind to manager address')
exit(1)
self._loop.add(self._control_socket, eventloop.POLL_IN, self)
self._loop.add_periodic(self.handle_periodic)
port_password = config['port_password']
del config['port_password']
config['crypto_path'] = config.get('crypto_path', dict())
for port, password in port_password.items():
a_config = config.copy()
a_config['server_port'] = int(port)
a_config['password'] = password
self.add_port(a_config)