142 lines
4.6 KiB
Python
Executable file
142 lines
4.6 KiB
Python
Executable file
#!/usr/bin/env python
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# Copyright (c) 2012 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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import sys
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try:
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import gevent, 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 SocketServer
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import struct
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import string
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import hashlib
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import os
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import json
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import logging
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import getopt
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def get_table(key):
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m = hashlib.md5()
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m.update(key)
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s = m.digest()
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(a, b) = struct.unpack('<QQ', s)
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table = [c for c in string.maketrans('', '')]
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for i in xrange(1, 1024):
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table.sort(lambda x, y: int(a % (ord(x) + i) - a % (ord(y) + i)))
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return table
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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 = sock.recv(4096)
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if data <= 0:
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break
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remote.sendall(self.decrypt(data))
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if remote in r:
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data = remote.recv(4096)
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if data <= 0:
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break
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sock.send(self.encrypt(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 data.translate(encrypt_table)
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def decrypt(self, data):
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return data.translate(decrypt_table)
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def handle(self):
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try:
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sock = self.connection
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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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else:
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# not support
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logging.warn('addr_type not support')
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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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logging.info('connecting %s:%d' % (addr, port[0]))
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remote = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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remote.connect((addr, port[0]))
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except socket.error, e:
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# Connection refused
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logging.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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logging.warn(e)
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if __name__ == '__main__':
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os.chdir(os.path.dirname(__file__) or '.')
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print 'shadowsocks v0.9'
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with open('config.json', 'rb') as f:
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config = json.load(f)
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SERVER = config['server']
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PORT = config['server_port']
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KEY = config['password']
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optlist, args = getopt.getopt(sys.argv[1:], 'p:k:')
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for key, value in optlist:
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if key == '-p':
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PORT = int(value)
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elif key == '-k':
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KEY = value
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logging.basicConfig(level=logging.DEBUG, format='%(asctime)s %(levelname)-8s %(message)s',
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datefmt='%Y-%m-%d %H:%M:%S', filemode='a+')
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encrypt_table = ''.join(get_table(KEY))
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decrypt_table = string.maketrans(encrypt_table, string.maketrans('', ''))
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if '-6' in sys.argv[1:]:
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ThreadingTCPServer.address_family = socket.AF_INET6
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try:
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server = ThreadingTCPServer(('', PORT), Socks5Server)
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logging.info("starting server at port %d ..." % PORT)
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server.serve_forever()
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except socket.error, e:
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logging.error(e)
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