almost done
This commit is contained in:
clowwindy
parent
bacf9cb443
commit
47fd479d6e
5 changed files with 122 additions and 528 deletions
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@ -21,353 +21,40 @@
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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 eventloop
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import errno
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import select
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import SocketServer
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import struct
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import os
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import random
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import re
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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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import tcprelay
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import udprelay
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MSG_FASTOPEN = 0x20000000
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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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def get_request(self):
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connection = self.socket.accept()
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connection[0].settimeout(config_timeout)
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return connection
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class Socks5Server(SocketServer.StreamRequestHandler):
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@staticmethod
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def get_server():
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a_port = config_server_port
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a_server = config_server
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if isinstance(config_server_port, list):
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# support config like "server_port": [8081, 8082]
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a_port = random.choice(config_server_port)
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if isinstance(config_server, list):
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# support config like "server": ["123.123.123.1", "123.123.123.2"]
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a_server = random.choice(config_server)
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r = re.match(r'^(.*):(\d+)$', a_server)
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if r:
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# support config like "server": "123.123.123.1:8381"
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# or "server": ["123.123.123.1:8381", "123.123.123.2:8381"]
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a_server = r.group(1)
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a_port = int(r.group(2))
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return a_server, a_port
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@staticmethod
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def handle_tcp(sock, remote, encryptor, pending_data=None,
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server=None, port=None):
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connected = False
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try:
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if config_fast_open:
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fdset = [sock]
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else:
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fdset = [sock, remote]
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while True:
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should_break = False
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r, w, e = select.select(fdset, [], [], config_timeout)
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if not r:
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logging.warn('read time out')
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break
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if sock in r:
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if not connected and config_fast_open:
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data = sock.recv(4096)
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data = encryptor.encrypt(pending_data + data)
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pending_data = None
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logging.info('fast open %s:%d' % (server, port))
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try:
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remote.sendto(data, MSG_FASTOPEN, (server, port))
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except (OSError, IOError) as e:
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if eventloop.errno_from_exception(e) == errno.EINPROGRESS:
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pass
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else:
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raise e
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connected = True
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fdset = [sock, remote]
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else:
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data = sock.recv(4096)
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if pending_data:
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data = pending_data + data
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pending_data = None
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data = encryptor.encrypt(data)
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if len(data) <= 0:
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should_break = True
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else:
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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 = encryptor.decrypt(remote.recv(4096))
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if len(data) <= 0:
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should_break = True
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else:
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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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if should_break:
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# make sure all data are read before we close the sockets
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# TODO: we haven't read ALL the data, actually
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# http://cs.ecs.baylor.edu/~donahoo/practical/CSockets/TCPRST.pdf
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break
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finally:
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sock.close()
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remote.close()
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def handle(self):
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try:
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encryptor = encrypt.Encryptor(config_password, config_method)
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sock = self.connection
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sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
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data = sock.recv(262)
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if not data:
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sock.close()
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return
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if len(data) < 3:
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return
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method = ord(data[2])
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if method == 2:
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logging.warn('client tries to use username/password auth, prete'
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'nding the password is OK')
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sock.send('\x05\x02')
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try:
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ver_ulen = sock.recv(2)
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ulen = ord(ver_ulen[1])
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if ulen:
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username = sock.recv(ulen)
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assert(ulen == len(username))
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plen = ord(sock.recv(1))
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if plen:
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_password = sock.recv(plen)
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assert(plen == len(_password))
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sock.send('\x01\x00')
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except Exception as e:
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logging.error(e)
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return
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elif method == 0:
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sock.send("\x05\x00")
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else:
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logging.error('unsupported method %d' % method)
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return
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data = self.rfile.read(4) or '\x00' * 4
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mode = ord(data[1])
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if mode == 1:
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pass
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elif mode == 3:
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# UDP
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logging.debug('UDP assc request')
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if sock.family == socket.AF_INET6:
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header = '\x05\x00\x00\x04'
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else:
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header = '\x05\x00\x00\x01'
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addr, port = sock.getsockname()
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addr_to_send = socket.inet_pton(sock.family, addr)
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port_to_send = struct.pack('>H', port)
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sock.send(header + addr_to_send + port_to_send)
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while True:
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data = sock.recv(4096)
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if not data:
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break
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return
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else:
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logging.warn('unknown mode %d' % mode)
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return
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addrtype = ord(data[3])
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addr_to_send = data[3]
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if addrtype == 1:
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addr_ip = self.rfile.read(4)
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addr = socket.inet_ntoa(addr_ip)
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addr_to_send += addr_ip
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elif addrtype == 3:
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addr_len = self.rfile.read(1)
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addr = self.rfile.read(ord(addr_len))
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addr_to_send += addr_len + addr
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elif addrtype == 4:
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addr_ip = self.rfile.read(16)
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addr = socket.inet_ntop(socket.AF_INET6, addr_ip)
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addr_to_send += addr_ip
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else:
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logging.warn('addr_type not supported')
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# not supported
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return
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addr_port = self.rfile.read(2)
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addr_to_send += addr_port
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port = struct.unpack('>H', addr_port)
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try:
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reply = "\x05\x00\x00\x01"
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reply += socket.inet_aton('0.0.0.0') + struct.pack(">H", 2222)
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self.wfile.write(reply)
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# reply immediately
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a_server, a_port = Socks5Server.get_server()
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addrs = socket.getaddrinfo(a_server, a_port)
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if addrs:
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af, socktype, proto, canonname, sa = addrs[0]
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if config_fast_open:
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remote = socket.socket(af, socktype, proto)
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remote.setsockopt(socket.IPPROTO_TCP,
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socket.TCP_NODELAY, 1)
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Socks5Server.handle_tcp(sock, remote, encryptor,
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addr_to_send, a_server, a_port)
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else:
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logging.info('connecting %s:%d' % (addr, port[0]))
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remote = socket.create_connection((a_server, a_port),
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timeout=config_timeout)
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remote.settimeout(config_timeout)
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remote.setsockopt(socket.IPPROTO_TCP,
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socket.TCP_NODELAY, 1)
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Socks5Server.handle_tcp(sock, remote, encryptor,
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addr_to_send)
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except (OSError, IOError) as e:
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logging.warn(e)
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return
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except (OSError, IOError) as e:
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raise e
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logging.warn(e)
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def main():
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global config_server, config_server_port, config_password, config_method,\
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config_fast_open, config_timeout
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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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utils.check_python()
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# fix py2exe
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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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utils.print_shadowsocks()
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config = utils.get_config(True)
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encrypt.init_table(config['password'], config['method'])
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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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print 'shadowsocks %s' % version
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config_password = None
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config_method = None
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config_path = utils.find_config()
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try:
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optlist, args = getopt.getopt(sys.argv[1:], 's:b:p:k:l:m:c:t:',
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['fast-open'])
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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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if config_path:
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logging.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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logging.error('found an error in config.json: %s',
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e.message)
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sys.exit(1)
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else:
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config = {}
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optlist, args = getopt.getopt(sys.argv[1:], 's:b:p:k:l:m:c:t:',
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['fast-open'])
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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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config['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_address'] = value
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elif key == '--fast-open':
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config['fast_open'] = True
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except getopt.GetoptError as e:
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logging.error(e)
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utils.print_local_help()
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sys.exit(2)
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config_server = config['server']
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config_server_port = config['server_port']
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config_local_port = config['local_port']
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config_password = config['password']
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config_method = config.get('method', None)
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config_local_address = config.get('local_address', '127.0.0.1')
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config_timeout = int(config.get('timeout', 300))
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config_fast_open = config.get('fast_open', False)
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if not config_password and not config_path:
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sys.exit('config not specified, please read '
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'https://github.com/clowwindy/shadowsocks')
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utils.check_config(config)
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encrypt.init_table(config_password, config_method)
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addrs = socket.getaddrinfo(config_local_address, config_local_port)
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if not addrs:
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logging.error('cant resolve listen address')
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sys.exit(1)
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ThreadingTCPServer.address_family = addrs[0][0]
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try:
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udprelay.UDPRelay(config_local_address, int(config_local_port),
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config_server, config_server_port, config_password,
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config_method, int(config_timeout), True).start()
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server = ThreadingTCPServer((config_local_address, config_local_port),
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Socks5Server)
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server.timeout = int(config_timeout)
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logging.info("starting local at %s:%d" %
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tuple(server.server_address[:2]))
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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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(config['local_address'], config['local_port']))
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udprelay.UDPRelay(config, True).start()
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tcprelay.TCPRelay(config, True).start()
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while sys.stdin.read():
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pass
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except KeyboardInterrupt:
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server.shutdown()
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sys.exit(0)
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if __name__ == '__main__':
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@ -21,21 +21,9 @@
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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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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 logging
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import getopt
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import encrypt
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import os
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import utils
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@ -43,188 +31,12 @@ import tcprelay
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import udprelay
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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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def server_activate(self):
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if config_fast_open:
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try:
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self.socket.setsockopt(socket.SOL_TCP, 23, 5)
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except socket.error:
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logging.error('warning: fast open is not available')
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self.socket.listen(self.request_queue_size)
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def get_request(self):
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connection = self.socket.accept()
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connection[0].settimeout(config_timeout)
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return connection
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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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should_break = False
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r, w, e = select.select(fdset, [], [], config_timeout)
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if not r:
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logging.warn('read time out')
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break
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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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should_break = True
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else:
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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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should_break = True
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else:
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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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if should_break:
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# make sure all data are read before we close the sockets
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# TODO: we haven't read ALL the data, actually
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# http://cs.ecs.baylor.edu/~donahoo/practical/CSockets/TCPRST.pdf
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break
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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(self.server.key,
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self.server.method)
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sock = self.connection
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sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
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iv_len = self.encryptor.iv_len()
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data = sock.recv(iv_len)
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if iv_len > 0 and not data:
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sock.close()
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return
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if iv_len:
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self.decrypt(data)
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data = sock.recv(1)
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if not data:
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sock.close()
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return
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addrtype = ord(self.decrypt(data))
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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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logging.warn('addr_type not supported, maybe wrong password')
|
||||
return
|
||||
port = struct.unpack('>H', self.decrypt(self.rfile.read(2)))
|
||||
try:
|
||||
logging.info('connecting %s:%d' % (addr, port[0]))
|
||||
remote = socket.create_connection((addr, port[0]),
|
||||
timeout=config_timeout)
|
||||
remote.settimeout(config_timeout)
|
||||
remote.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
|
||||
except socket.error, e:
|
||||
# Connection refused
|
||||
logging.warn(e)
|
||||
return
|
||||
self.handle_tcp(sock, remote)
|
||||
except socket.error, e:
|
||||
logging.warn(e)
|
||||
|
||||
|
||||
def main():
|
||||
global config_server, config_server_port, config_method, config_fast_open, \
|
||||
config_timeout
|
||||
utils.check_python()
|
||||
|
||||
logging.basicConfig(level=logging.DEBUG,
|
||||
format='%(asctime)s %(levelname)-8s %(message)s',
|
||||
datefmt='%Y-%m-%d %H:%M:%S', filemode='a+')
|
||||
utils.print_shadowsocks()
|
||||
|
||||
|
||||
version = ''
|
||||
try:
|
||||
import pkg_resources
|
||||
version = pkg_resources.get_distribution('shadowsocks').version
|
||||
except:
|
||||
pass
|
||||
print 'shadowsocks %s' % version
|
||||
|
||||
config_path = utils.find_config()
|
||||
try:
|
||||
optlist, args = getopt.getopt(sys.argv[1:], 's:p:k:m:c:t:',
|
||||
['fast-open', 'workers:'])
|
||||
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:p:k:m:c:t:',
|
||||
['fast-open', 'workers='])
|
||||
for key, value in optlist:
|
||||
if key == '-p':
|
||||
config['server_port'] = int(value)
|
||||
elif key == '-k':
|
||||
config['password'] = value
|
||||
elif key == '-s':
|
||||
config['server'] = value
|
||||
elif key == '-m':
|
||||
config['method'] = value
|
||||
elif key == '-t':
|
||||
config['timeout'] = value
|
||||
elif key == '--fast-open':
|
||||
config['fast_open'] = True
|
||||
elif key == '--workers':
|
||||
config['workers'] = value
|
||||
except getopt.GetoptError:
|
||||
utils.print_server_help()
|
||||
sys.exit(2)
|
||||
|
||||
config['password'] = config.get('password', None)
|
||||
config['method'] = config.get('method', None)
|
||||
config['port_password'] = config.get('port_password', None)
|
||||
config['timeout'] = int(config.get('timeout', 300))
|
||||
config['fast_open'] = config.get('fast_open', False)
|
||||
config['workers'] = config.get('workers', 1)
|
||||
|
||||
utils.check_config(config)
|
||||
config = utils.get_config(True)
|
||||
|
||||
if config['port_password']:
|
||||
if config['server_port'] or config['password']:
|
||||
|
|
@ -236,11 +48,6 @@ def main():
|
|||
config['port_password'][str(config['server_port'])] = config['password']
|
||||
|
||||
encrypt.init_table(config['password'], config['method'])
|
||||
addrs = socket.getaddrinfo(config['server'], int(8387))
|
||||
if not addrs:
|
||||
logging.error('cant resolve listen address')
|
||||
sys.exit(1)
|
||||
ThreadingTCPServer.address_family = addrs[0][0]
|
||||
tcp_servers = []
|
||||
udp_servers = []
|
||||
for port, password in config['port_password'].items():
|
||||
|
|
|
|||
|
|
@ -76,7 +76,7 @@ class TCPRelayHandler(object):
|
|||
self._downstream_status = STATUS_WAIT_READING
|
||||
fd_to_handlers[local_sock.fileno()] = self
|
||||
local_sock.setblocking(False)
|
||||
loop.add(local_sock, eventloop.POLL_IN)
|
||||
loop.add(local_sock, eventloop.POLL_IN | eventloop.POLL_ERR)
|
||||
|
||||
def update_stream(self, stream, status):
|
||||
dirty = False
|
||||
|
|
@ -186,7 +186,8 @@ class TCPRelayHandler(object):
|
|||
self._remote_sock.setblocking(False)
|
||||
# TODO support TCP fast open
|
||||
self._remote_sock.connect(sa)
|
||||
self._loop.add(self._remote_sock, eventloop.POLL_OUT)
|
||||
self._loop.add(self._remote_sock,
|
||||
eventloop.POLL_ERR | eventloop.POLL_OUT)
|
||||
|
||||
if len(data) > header_length:
|
||||
self._data_to_write_to_remote.append(data[header_length:])
|
||||
|
|
@ -301,7 +302,8 @@ class TCPRelay(object):
|
|||
def _run(self):
|
||||
server_socket = self._server_socket
|
||||
self._eventloop = eventloop.EventLoop()
|
||||
self._eventloop.add(server_socket, eventloop.POLL_IN)
|
||||
self._eventloop.add(server_socket,
|
||||
eventloop.POLL_IN | eventloop.POLL_ERR)
|
||||
last_time = time.time()
|
||||
while not self._closed:
|
||||
try:
|
||||
|
|
@ -315,6 +317,9 @@ class TCPRelay(object):
|
|||
continue
|
||||
for sock, event in events:
|
||||
if sock == self._server_socket:
|
||||
if event & eventloop.POLL_ERR:
|
||||
# TODO
|
||||
raise Exception('server_socket error')
|
||||
try:
|
||||
conn = self._server_socket.accept()
|
||||
TCPRelayHandler(self._fd_to_handlers, self._eventloop,
|
||||
|
|
|
|||
|
|
@ -86,7 +86,7 @@ def client_key(a, b, c, d):
|
|||
|
||||
|
||||
class UDPRelay(object):
|
||||
def __init__(self, config, is_local=True):
|
||||
def __init__(self, config, is_local):
|
||||
if is_local:
|
||||
self._listen_addr = config['local_address']
|
||||
self._listen_port = config['local_port']
|
||||
|
|
|
|||
|
|
@ -22,9 +22,29 @@
|
|||
# SOFTWARE.
|
||||
|
||||
import os
|
||||
import json
|
||||
import sys
|
||||
import getopt
|
||||
import logging
|
||||
|
||||
|
||||
def check_python():
|
||||
info = sys.version_info
|
||||
if not (info.major == 2 and info.minor >= 6):
|
||||
print 'Python 2.6 or 2.7 required'
|
||||
sys.exit(1)
|
||||
|
||||
|
||||
def print_shadowsocks():
|
||||
version = ''
|
||||
try:
|
||||
import pkg_resources
|
||||
version = pkg_resources.get_distribution('shadowsocks').version
|
||||
except Exception:
|
||||
pass
|
||||
print 'shadowsocks %s' % version
|
||||
|
||||
|
||||
def find_config():
|
||||
config_path = 'config.json'
|
||||
if os.path.exists(config_path):
|
||||
|
|
@ -36,6 +56,12 @@ def find_config():
|
|||
|
||||
|
||||
def check_config(config):
|
||||
config['password'] = config.get('password', None)
|
||||
config['method'] = config.get('method', None)
|
||||
config['port_password'] = config.get('port_password', None)
|
||||
config['timeout'] = int(config.get('timeout', 300))
|
||||
config['fast_open'] = config.get('fast_open', False)
|
||||
config['workers'] = config.get('workers', 1)
|
||||
if config.get('local_address', '') in ['0.0.0.0']:
|
||||
logging.warn('warning: local set to listen 0.0.0.0, which is not safe')
|
||||
if config.get('server', '') in ['127.0.0.1', 'localhost']:
|
||||
|
|
@ -52,6 +78,75 @@ def check_config(config):
|
|||
int(config.get('timeout')))
|
||||
|
||||
|
||||
def get_config(is_local):
|
||||
if is_local:
|
||||
shortopts = 's:b:p:k:l:m:c:t:v'
|
||||
longopts = ['fast-open']
|
||||
else:
|
||||
shortopts = 's:p:k:m:c:t:'
|
||||
longopts = ['fast-open', 'workers:']
|
||||
try:
|
||||
config_path = find_config()
|
||||
optlist, args = getopt.getopt(sys.argv[1:], shortopts, longopts)
|
||||
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:], shortopts, longopts)
|
||||
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_address'] = value
|
||||
elif key == '-v':
|
||||
config['verbose'] = True
|
||||
elif key == '--fast-open':
|
||||
config['fast_open'] = True
|
||||
elif key == '--workers':
|
||||
config['workers'] = value
|
||||
except getopt.GetoptError as e:
|
||||
logging.error(e)
|
||||
if is_local:
|
||||
print_local_help()
|
||||
else:
|
||||
print_server_help()
|
||||
sys.exit(2)
|
||||
|
||||
if not config['password'] and not config_path:
|
||||
sys.exit('config not specified, please read '
|
||||
'https://github.com/clowwindy/shadowsocks')
|
||||
|
||||
check_config(config)
|
||||
|
||||
if config['verbose']:
|
||||
level = logging.DEBUG
|
||||
else:
|
||||
level = logging.WARNING
|
||||
logging.basicConfig(level=level,
|
||||
format='%(asctime)s %(levelname)-8s %(message)s',
|
||||
datefmt='%Y-%m-%d %H:%M:%S', filemode='a+')
|
||||
|
||||
|
||||
def print_local_help():
|
||||
print '''usage: sslocal [-h] -s SERVER_ADDR -p SERVER_PORT [-b LOCAL_ADDR]
|
||||
-l LOCAL_PORT -k PASSWORD -m METHOD [-t TIMEOUT] [-c CONFIG]
|
||||
|
|
|
|||
Loading…
Reference in a new issue