用Python寫socks5伺服器端

用python寫socks5伺服器端 « xiaoxia[pg]

參考自rfc1928:

直接執行這個程式就給本機建立了乙個socks5的**伺服器。

**如下：

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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]  

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():  

server = threadingtcpserver(('', 1080), socks5server)  

server.serve_forever()  

if __name__ == '__main__':  

main()  

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)) <= 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():
server = threadingtcpserver(('', 1080), socks5server)
server.serve_forever()
if __name__ == '__main__':
main()

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