Python写的Socks5协议代理服务器

 #!/usr/bin/python # Filename s5.py # Python Dynamic Socks5 Proxy # Usage: python s5.py 1080 # Background Run: nohup python s5.py 1080 & 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] 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)) H', self.rfile.read(2)) reply = "\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])) pass # print 'To', addr, port[0] nothing do to. else: reply = "\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: pass #print 'error' nothing to do . except IndexError: pass def main(): filename = sys.argv[0]; if len(sys.argv)<2: print 'usage: ' + filename port' sys.exit() socks_port server=ThreadingTCPServer(('', socks_port), socks5server) 'bind port: %d' % ok!' server.serve_forever() if __name__== '__main__': main()