You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
253 lines
8.1 KiB
253 lines
8.1 KiB
#!/usr/bin/env python
|
|
|
|
# Copyright (c) 2013 clowwindy
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files (the "Software"), to deal
|
|
# in the Software without restriction, including without limitation the rights
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
# copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in
|
|
# all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
# SOFTWARE.
|
|
|
|
from __future__ import with_statement
|
|
import sys
|
|
if sys.version_info < (2, 6):
|
|
import simplejson as json
|
|
else:
|
|
import json
|
|
|
|
try:
|
|
import gevent
|
|
import gevent.monkey
|
|
gevent.monkey.patch_all(dns=gevent.version_info[0] >= 1)
|
|
except ImportError:
|
|
gevent = None
|
|
print >>sys.stderr, 'warning: gevent not found, using threading instead'
|
|
|
|
import socket
|
|
import select
|
|
import SocketServer
|
|
import struct
|
|
import os
|
|
import random
|
|
import re
|
|
import logging
|
|
import getopt
|
|
import encrypt
|
|
import utils
|
|
|
|
|
|
def send_all(sock, data):
|
|
bytes_sent = 0
|
|
while True:
|
|
r = sock.send(data[bytes_sent:])
|
|
if r < 0:
|
|
return r
|
|
bytes_sent += r
|
|
if bytes_sent == len(data):
|
|
return bytes_sent
|
|
|
|
|
|
class ThreadingTCPServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
|
|
allow_reuse_address = True
|
|
|
|
|
|
class Socks5Server(SocketServer.StreamRequestHandler):
|
|
def getServer(self):
|
|
aPort = REMOTE_PORT
|
|
aServer = SERVER
|
|
if isinstance(REMOTE_PORT, list):
|
|
# support config like "server_port": [8081, 8082]
|
|
aPort = random.choice(REMOTE_PORT)
|
|
if isinstance(SERVER, list):
|
|
# support config like "server": ["123.123.123.1", "123.123.123.2"]
|
|
aServer = random.choice(SERVER)
|
|
|
|
r = re.match(r'^(.*)\:(\d+)$', aServer)
|
|
if r:
|
|
# support config like "server": "123.123.123.1:8381"
|
|
# or "server": ["123.123.123.1:8381", "123.123.123.2:8381", "123.123.123.2:8382"]
|
|
aServer = r.group(1)
|
|
aPort = int(r.group(2))
|
|
return (aServer, aPort)
|
|
|
|
def handle_tcp(self, sock, remote):
|
|
try:
|
|
fdset = [sock, remote]
|
|
while True:
|
|
r, w, e = select.select(fdset, [], [])
|
|
if sock in r:
|
|
data = self.encrypt(sock.recv(4096))
|
|
if len(data) <= 0:
|
|
break
|
|
result = send_all(remote, data)
|
|
if result < len(data):
|
|
raise Exception('failed to send all data')
|
|
|
|
if remote in r:
|
|
data = self.decrypt(remote.recv(4096))
|
|
if len(data) <= 0:
|
|
break
|
|
result = send_all(sock, data)
|
|
if result < len(data):
|
|
raise Exception('failed to send all data')
|
|
finally:
|
|
sock.close()
|
|
remote.close()
|
|
|
|
def encrypt(self, data):
|
|
return self.encryptor.encrypt(data)
|
|
|
|
def decrypt(self, data):
|
|
return self.encryptor.decrypt(data)
|
|
|
|
def send_encrypt(self, sock, data):
|
|
sock.send(self.encrypt(data))
|
|
|
|
def handle(self):
|
|
try:
|
|
self.encryptor = encrypt.Encryptor(KEY, METHOD)
|
|
sock = self.connection
|
|
sock.recv(262)
|
|
sock.send("\x05\x00")
|
|
data = self.rfile.read(4) or '\x00' * 4
|
|
mode = ord(data[1])
|
|
if mode != 1:
|
|
logging.warn('mode != 1')
|
|
return
|
|
addrtype = ord(data[3])
|
|
addr_to_send = data[3]
|
|
if addrtype == 1:
|
|
addr_ip = self.rfile.read(4)
|
|
addr = socket.inet_ntoa(addr_ip)
|
|
addr_to_send += addr_ip
|
|
elif addrtype == 3:
|
|
addr_len = self.rfile.read(1)
|
|
addr = self.rfile.read(ord(addr_len))
|
|
addr_to_send += addr_len + addr
|
|
elif addrtype == 4:
|
|
addr_ip = self.rfile.read(16)
|
|
addr = socket.inet_ntop(socket.AF_INET6, addr_ip)
|
|
addr_to_send += addr_ip
|
|
else:
|
|
logging.warn('addr_type not supported')
|
|
# not supported
|
|
return
|
|
addr_port = self.rfile.read(2)
|
|
addr_to_send += addr_port
|
|
port = struct.unpack('>H', addr_port)
|
|
try:
|
|
reply = "\x05\x00\x00\x01"
|
|
reply += socket.inet_aton('0.0.0.0') + struct.pack(">H", 2222)
|
|
self.wfile.write(reply)
|
|
# reply immediately
|
|
aServer, aPort = self.getServer()
|
|
remote = socket.create_connection((aServer, aPort))
|
|
self.send_encrypt(remote, addr_to_send)
|
|
logging.info('connecting %s:%d' % (addr, port[0]))
|
|
except socket.error, e:
|
|
logging.warn(e)
|
|
return
|
|
self.handle_tcp(sock, remote)
|
|
except socket.error, e:
|
|
logging.warn(e)
|
|
|
|
|
|
def main():
|
|
global SERVER, REMOTE_PORT, KEY, METHOD
|
|
|
|
logging.basicConfig(level=logging.DEBUG,
|
|
format='%(asctime)s %(levelname)-8s %(message)s',
|
|
datefmt='%Y-%m-%d %H:%M:%S', filemode='a+')
|
|
|
|
# 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)
|
|
version = ''
|
|
try:
|
|
import pkg_resources
|
|
version = pkg_resources.get_distribution('shadowsocks').version
|
|
except:
|
|
pass
|
|
print 'shadowsocks %s' % version
|
|
|
|
KEY = None
|
|
METHOD = None
|
|
LOCAL = ''
|
|
IPv6 = False
|
|
|
|
config_path = utils.find_config()
|
|
optlist, args = getopt.getopt(sys.argv[1:], 's:b:p:k:l:m:c:6')
|
|
for key, value in optlist:
|
|
if key == '-c':
|
|
config_path = value
|
|
|
|
if config_path:
|
|
logging.info('loading config from %s' % config_path)
|
|
with open(config_path, 'rb') as f:
|
|
try:
|
|
config = json.load(f)
|
|
except ValueError as e:
|
|
logging.error('found an error in config.json: %s', e.message)
|
|
sys.exit(1)
|
|
else:
|
|
config = {}
|
|
|
|
optlist, args = getopt.getopt(sys.argv[1:], 's:b:p:k:l:m:c:6')
|
|
for key, value in optlist:
|
|
if key == '-p':
|
|
config['server_port'] = int(value)
|
|
elif key == '-k':
|
|
config['password'] = value
|
|
elif key == '-l':
|
|
config['local_port'] = int(value)
|
|
elif key == '-s':
|
|
config['server'] = value
|
|
elif key == '-m':
|
|
config['method'] = value
|
|
elif key == '-b':
|
|
config['local'] = value
|
|
elif key == '-6':
|
|
IPv6 = True
|
|
|
|
SERVER = config['server']
|
|
REMOTE_PORT = config['server_port']
|
|
PORT = config['local_port']
|
|
KEY = config['password']
|
|
METHOD = config.get('method', None)
|
|
LOCAL = config.get('local', '')
|
|
|
|
if not KEY and not config_path:
|
|
sys.exit('config not specified, please read https://github.com/clowwindy/shadowsocks')
|
|
|
|
utils.check_config(config)
|
|
|
|
encrypt.init_table(KEY, METHOD)
|
|
|
|
try:
|
|
if IPv6:
|
|
ThreadingTCPServer.address_family = socket.AF_INET6
|
|
server = ThreadingTCPServer((LOCAL, PORT), Socks5Server)
|
|
logging.info("starting local at %s:%d" % tuple(server.server_address[:2]))
|
|
server.serve_forever()
|
|
except socket.error, e:
|
|
logging.error(e)
|
|
except KeyboardInterrupt:
|
|
server.shutdown()
|
|
sys.exit(0)
|
|
|
|
if __name__ == '__main__':
|
|
main()
|
|
|