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140 lines
5.0 KiB
140 lines
5.0 KiB
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright (c) 2014 clowwindy
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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from __future__ import absolute_import, division, print_function, \
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with_statement
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import sys
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import os
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import logging
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import signal
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), '../'))
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from shadowsocks import utils, daemon, eventloop, tcprelay, udprelay, asyncdns
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def main():
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utils.check_python()
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config = utils.get_config(False)
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daemon.daemon_exec(config)
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utils.print_shadowsocks()
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if config['port_password']:
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if config['password']:
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logging.warn('warning: port_password should not be used with '
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'server_port and password. server_port and password '
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'will be ignored')
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else:
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config['port_password'] = {}
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server_port = config['server_port']
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if type(server_port) == list:
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for a_server_port in server_port:
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config['port_password'][a_server_port] = config['password']
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else:
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config['port_password'][str(server_port)] = config['password']
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tcp_servers = []
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udp_servers = []
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dns_resolver = asyncdns.DNSResolver()
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for port, password in config['port_password'].items():
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a_config = config.copy()
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a_config['server_port'] = int(port)
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a_config['password'] = password
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logging.info("starting server at %s:%d" %
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(a_config['server'], int(port)))
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tcp_servers.append(tcprelay.TCPRelay(a_config, dns_resolver, False))
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udp_servers.append(udprelay.UDPRelay(a_config, dns_resolver, False))
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def run_server():
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def child_handler(signum, _):
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logging.warn('received SIGQUIT, doing graceful shutting down..')
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list(map(lambda s: s.close(next_tick=True),
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tcp_servers + udp_servers))
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signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM),
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child_handler)
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def int_handler(signum, _):
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sys.exit(1)
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signal.signal(signal.SIGINT, int_handler)
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try:
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loop = eventloop.EventLoop()
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dns_resolver.add_to_loop(loop)
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list(map(lambda s: s.add_to_loop(loop), tcp_servers + udp_servers))
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daemon.set_user(config.get('user', None))
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loop.run()
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except (KeyboardInterrupt, IOError, OSError) as e:
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logging.error(e)
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if config['verbose']:
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import traceback
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traceback.print_exc()
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os._exit(1)
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if int(config['workers']) > 1:
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if os.name == 'posix':
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children = []
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is_child = False
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for i in range(0, int(config['workers'])):
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r = os.fork()
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if r == 0:
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logging.info('worker started')
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is_child = True
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run_server()
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break
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else:
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children.append(r)
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if not is_child:
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def handler(signum, _):
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for pid in children:
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try:
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os.kill(pid, signum)
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os.waitpid(pid, 0)
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except OSError: # child may already exited
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pass
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sys.exit()
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signal.signal(signal.SIGTERM, handler)
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signal.signal(signal.SIGQUIT, handler)
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signal.signal(signal.SIGINT, handler)
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# master
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for a_tcp_server in tcp_servers:
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a_tcp_server.close()
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for a_udp_server in udp_servers:
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a_udp_server.close()
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dns_resolver.close()
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for child in children:
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os.waitpid(child, 0)
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else:
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logging.warn('worker is only available on Unix/Linux')
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run_server()
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else:
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run_server()
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if __name__ == '__main__':
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main()
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