Created
August 14, 2014 13:51
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import socket, sys, select, SocketServer, struct, time | |
class ThreadingTCPServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer): pass | |
class Socks5Server(SocketServer.StreamRequestHandler): | |
def handle_tcp(self, sock, remote): | |
fdset = [sock, remote] | |
#raw_size = 1024 | |
while True: | |
r, w, e = select.select(fdset, [], []) | |
if sock in r: | |
if remote.send(sock.recv(4096)) <= 0: break | |
if remote in r: | |
if sock.send(remote.recv(4096)) <= 0: break | |
def handle(self): | |
try: | |
print 'socks connection from ', self.client_address | |
sock = self.connection | |
# 1. Version | |
sock.recv(262) | |
sock.send(b"\x05\x00"); | |
# 2. Request | |
data = self.rfile.read(4) | |
mode = ord(data[1]) | |
addrtype = ord(data[3]) | |
if addrtype == 1: # IPv4 | |
addr = socket.inet_ntoa(self.rfile.read(4)) | |
elif addrtype == 3: # Domain name | |
addr = self.rfile.read(ord(sock.recv(1)[0])) | |
port = struct.unpack('>H', self.rfile.read(2)) | |
reply = b"\x05\x00\x00\x01" | |
try: | |
if mode == 1: # 1. Tcp connect | |
remote = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
remote.connect((addr, port[0])) | |
print 'Tcp connect to', addr, port[0] | |
else: | |
reply = b"\x05\x07\x00\x01" # Command not supported | |
local = remote.getsockname() | |
reply += socket.inet_aton(local[0]) + struct.pack(">H", local[1]) | |
except socket.error: | |
#Connection refused | |
reply = '\x05\x05\x00\x01\x00\x00\x00\x00\x00\x00' | |
sock.send(reply) | |
# 3. Transfering | |
if reply[1] == '\x00': # Success | |
if mode == 1: # 1. Tcp connect | |
self.handle_tcp(sock, remote) | |
except socket.error: | |
print 'socket error' | |
def main(myport): | |
server = ThreadingTCPServer(('', myport), Socks5Server) | |
server.serve_forever() | |
if __name__ == '__main__': | |
print 'server is running' | |
myport = 10000 | |
main(myport) |
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