#! /usr/bin/env python

# Remote python server.

# Execute Python commands remotely and send output back.

# WARNING: This version has a gaping security hole -- it accepts requests

# from any host on the Internet!

import sys

from socket import *

import StringIO

import traceback

PORT = 4127

BUFSIZE = 1024

def main():

    if len(sys.argv) > 1:

        port = int(eval(sys.argv[1]))

    else:

        port = PORT

    s = socket(AF_INET, SOCK_STREAM)

    s.bind(('', port))

    s.listen(1)

    while 1:

        conn, (remotehost, remoteport) = s.accept()

        print 'connected by', remotehost, remoteport

        request = ''

        while 1:

            data = conn.recv(BUFSIZE)

            if not data:

                break

            request = request + data

        reply = execute(request)

        conn.send(reply)

        conn.close()

def execute(request):

    stdout = sys.stdout

    stderr = sys.stderr

    sys.stdout = sys.stderr = fakefile = StringIO.StringIO()

    try:

        try:

            exec request in {}, {}

        except:

            print

            traceback.print_exc(100)

    finally:

        sys.stderr = stderr

        sys.stdout = stdout

    return fakefile.getvalue()

main()