update server
This commit is contained in:
clowwindy
parent
ef8b741182
commit
a8bf892154
1 changed files with 115 additions and 87 deletions
198
server.py
198
server.py
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@ -26,23 +26,14 @@ 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, 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 logging
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import getopt
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import socket
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def get_table(key):
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m = hashlib.md5()
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@ -54,108 +45,145 @@ def get_table(key):
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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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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 = sock.recv(4096)
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if len(data) <= 0:
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break
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result = send_all(remote, self.decrypt(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 = remote.recv(4096)
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if len(data) <= 0:
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break
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result = send_all(sock, self.encrypt(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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def encrypt(data):
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return data.translate(encrypt_table)
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def decrypt(self, data):
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def decrypt(data):
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return data.translate(decrypt_table)
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def handle(self):
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class RemoteHandler(object):
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def __init__(self, conn, local_handler):
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self.conn = conn
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self.local_handler = local_handler
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conn.on('connect', self.on_connect)
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conn.on('data', self.on_data)
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conn.on('close', self.on_close)
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conn.on('end', self.on_end)
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conn.connect(local_handler.remote_addr_pair)
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def on_connect(self, s):
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for piece in self.local_handler.cached_pieces:
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self.conn.write(decrypt(piece))
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# TODO write cached pieces
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self.local_handler.stage = 5
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def on_data(self, s, data):
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data = encrypt(data)
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self.local_handler.conn.write(data)
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def on_close(self, s):
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# self.local_handler.conn.end()
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pass
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def on_end(self, s):
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self.local_handler.conn.end()
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class LocalHandler(object):
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def on_data(self, s, data):
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if self.stage == 5:
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data = decrypt(data)
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self.remote_handler.conn.write(data)
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return
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if self.stage == 0:
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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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addrtype = ord(data[0])
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# TODO check cmd == 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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remote_addr = socket.inet_ntoa(data[1:5])
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remote_port = data[5:7]
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header_length = 7
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elif addrtype == 4:
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addr = socket.inet_ntop(socket.AF_INET6, self.decrypt(self.rfile.read(16)))
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remote_addr = socket.inet_ntop(data[1:17])
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remote_port = data[17:19]
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header_length = 19
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elif addrtype == 3:
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addr_len = ord(data[1])
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remote_addr = data[2:2 + addr_len]
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remote_port = data[2 + addr_len:2 + addr_len + 2]
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header_length = 2 + addr_len + 2
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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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# TODO check addrtype in (1, 3, 4)
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raise
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remote_port = struct.unpack('>H', remote_port)[0]
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self.remote_addr_pair = (remote_addr, remote_port)
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logging.info('connecting %s:%d' % self.remote_addr_pair)
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remote_conn = ssloop.Socket()
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self.remote_handler = RemoteHandler(remote_conn, self)
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if len(data) > header_length:
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self.cached_pieces.append(data[header_length:])
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# TODO save other bytes
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self.stage = 4
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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.create_connection((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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except:
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import traceback
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traceback.print_exc()
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if self.stage == 4:
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self.cached_pieces.append(data)
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def on_end(self, s):
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if self.remote_handler:
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self.remote_handler.conn.end()
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def on_close(self, s):
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pass
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# self.remote_handler.conn.end()
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def __init__(self, conn):
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self.stage = 0
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self.remote = None
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self.addr_len = 0
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self.addr_to_send = ''
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self.conn = conn
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self.cached_pieces = []
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conn.on('data', self.on_data)
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conn.on('end', self.on_end)
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conn.on('close', self.on_close)
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def on_connection(s, conn):
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LocalHandler(conn)
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if __name__ == '__main__':
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os.chdir(os.path.dirname(__file__) or '.')
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print 'shadowsocks v1.1'
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sys.path.append('./ssloop')
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import ssloop
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print 'shadowsocks v2.0'
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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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argv = sys.argv[1:]
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if '-6' in sys.argv[1:]:
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argv.remove('-6')
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optlist, args = getopt.getopt(argv, '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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logging.basicConfig(level=logging.INFO, 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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loop = ssloop.instance()
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s = ssloop.Server(('0.0.0.0', PORT))
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s.on('connection', on_connection)
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s.listen()
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loop.start()
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except KeyboardInterrupt:
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sys.exit(0)
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