265 lines
8.8 KiB
Python
Executable file
265 lines
8.8 KiB
Python
Executable file
#!/usr/bin/env python
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# Copyright (c) 2013 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 with_statement
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import sys
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if sys.version_info < (2, 6):
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import simplejson as json
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else:
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import json
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try:
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import gevent
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import gevent.monkey
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gevent.monkey.patch_all(dns=gevent.version_info[0] >= 1)
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except ImportError:
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gevent = None
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print >>sys.stderr, 'warning: gevent not found, using threading instead'
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import socket
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import select
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import threading
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import SocketServer
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import struct
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import os
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import logging
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import getopt
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import encrypt
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import utils
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logger = logging.getLogger('server')
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def send_all(sock, data):
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bytes_sent = 0
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while True:
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r = sock.send(data[bytes_sent:])
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if r < 0:
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return r
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bytes_sent += r
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if bytes_sent == len(data):
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return bytes_sent
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class ThreadingTCPServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
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allow_reuse_address = True
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class Socks5Server(SocketServer.StreamRequestHandler):
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def handle_tcp(self, sock, remote):
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try:
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fdset = [sock, remote]
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while True:
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r, w, e = select.select(fdset, [], [])
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if sock in r:
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data = self.decrypt(sock.recv(4096))
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if len(data) <= 0:
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break
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result = send_all(remote, data)
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if result < len(data):
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raise Exception('failed to send all data')
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if remote in r:
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data = self.encrypt(remote.recv(4096))
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if len(data) <= 0:
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break
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result = send_all(sock, data)
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if result < len(data):
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raise Exception('failed to send all data')
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finally:
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sock.close()
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remote.close()
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def encrypt(self, data):
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return self.encryptor.encrypt(data)
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def decrypt(self, data):
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return self.encryptor.decrypt(data)
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def handle(self):
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try:
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self.encryptor = encrypt.Encryptor(
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self.server.key, self.server.method)
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sock = self.connection
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iv_len = self.encryptor.iv_len()
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if iv_len:
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self.decrypt(sock.recv(iv_len))
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addrtype = ord(self.decrypt(sock.recv(1)))
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if addrtype == 1:
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addr = socket.inet_ntoa(self.decrypt(self.rfile.read(4)))
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elif addrtype == 3:
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addr = self.decrypt(
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self.rfile.read(ord(self.decrypt(sock.recv(1)))))
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elif addrtype == 4:
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addr = socket.inet_ntop(socket.AF_INET6,
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self.decrypt(self.rfile.read(16)))
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else:
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# not supported
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logger.warn('addr_type not supported, maybe wrong password')
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return
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port = struct.unpack('>H', self.decrypt(self.rfile.read(2)))
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try:
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logger.info('connecting %s:%d' % (addr, port[0]))
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remote = socket.create_connection((addr, port[0]))
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except socket.error, e:
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# Connection refused
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logger.warn(e)
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return
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self.handle_tcp(sock, remote)
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except socket.error, e:
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logger.warn(e)
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class ShadowSocksServer(object):
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def __init__(self):
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self.options = self.default_options()
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def default_options(self):
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return {
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"server":"localhost",
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"server_port":8388,
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"local_port":1080,
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"password":"barfoo!",
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"timeout":600,
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"method":"table",
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"IPv6": False
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}
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def serve_forever(self):
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self.set_logging()
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self.run_info()
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self.set_options()
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self.check_config()
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SERVER = self.options['server']
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PORT = self.options['server_port']
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KEY = self.options['password']
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METHOD = self.options.get('method', None)
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PORTPASSWORD = self.options.get('port_password', None)
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TIMEOUT = self.options.get('timeout', 600)
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if PORTPASSWORD:
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if PORT or KEY:
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logger.warn(
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'warning: port_password should not be used with server_port and password. server_port and password will be ignored')
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else:
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PORTPASSWORD = {}
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PORTPASSWORD[str(PORT)] = KEY
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encrypt.init_table(KEY, METHOD)
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if self.options['IPv6']:
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ThreadingTCPServer.address_family = socket.AF_INET6
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for port, key in PORTPASSWORD.items():
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server = ThreadingTCPServer((SERVER, int(port)), Socks5Server)
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server.key, server.method, server.timeout = key, METHOD, int(
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TIMEOUT)
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logger.info("starting server at %s:%d" %
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tuple(server.server_address[:2]))
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threading.Thread(target=server.serve_forever).start()
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def check_config(self):
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utils.check_config(self.options)
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def set_logging(self):
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logfmt = '[%%(levelname)s] %s%%(message)s' % '%(name)s - '
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config = lambda x: logging.basicConfig(level=x,
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format='[%(asctime)s] ' + logfmt, datefmt='%Y%m%d %H:%M:%S')
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if self.options.get('debug'):
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config(logging.DEBUG)
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else:
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config(logging.INFO)
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# logging.basicConfig(level=logging.DEBUG,
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# format='%(asctime)s %(levelname)-8s %(message)s',
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# datefmt='%Y-%m-%d %H:%M:%S', filemode='a+')
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def set_options(self):
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config_path = self._find_options()
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config = self._parse_file_options(config_path)
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config = self._parse_cmd_options(config)
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self.options.update(config)
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def _parse_file_options(self, config_path):
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if config_path:
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logger.info('loading config from %s' % config_path)
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with open(config_path, 'rb') as f:
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try:
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config = json.load(f)
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except ValueError as e:
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logger.error(
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'found an error in config.json: %s', e.message)
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sys.exit(1)
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else:
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config = {}
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return config
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def _find_options(self):
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config_path = utils.find_config()
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print config_path
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optlist, args = getopt.getopt(sys.argv[1:], 's:b:p:k:l:m:c:6')
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for key, value in optlist:
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if key == '-c':
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config_path = value
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return config_path
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def _parse_cmd_options(self, config):
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optlist, args = getopt.getopt(sys.argv[1:], 's:b:p:k:l:m:c:6')
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for key, value in optlist:
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if key == '-p':
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config['server_port'] = int(value)
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elif key == '-k':
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self.options['password'] = value
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elif key == '-l':
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config['local_port'] = int(value)
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elif key == '-s':
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config['server'] = value
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elif key == '-m':
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config['method'] = value
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elif key == '-b':
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config['local'] = value
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elif key == '-6':
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config['IPv6'] = True
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return config
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def run_info(self):
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if hasattr(sys, "frozen") and sys.frozen in \
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("windows_exe", "console_exe"):
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p = os.path.dirname(os.path.abspath(sys.executable))
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os.chdir(p)
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version = ''
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try:
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import pkg_resources
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version = pkg_resources.get_distribution('shadowsocks').version
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except:
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pass
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logger.info('shadowsocks %s' % version)
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if __name__ == '__main__':
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try:
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ShadowSocksServer().serve_forever()
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except socket.error, e:
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logger.error(e)
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