Systemsicherheit/Assignment 4 - Protokollsicherheit (Praxis)/proxy/proxymodules/http_post.py

42 lines
1.5 KiB
Python
Raw Permalink Normal View History

2024-05-25 10:25:40 +02:00
#!/usr/bin/env python3
import os.path as path
class Module:
def __init__(self, incoming=False, verbose=False, options=None):
# extract the file name from __file__. __file__ is proxymodules/name.py
self.name = path.splitext(path.basename(__file__))[0]
self.description = 'Prepend HTTP header'
self.incoming = incoming # incoming means module is on -im chain
self.targethost = None
self.targetport = None
if options is not None:
if 'host' in options.keys():
self.targethost = bytes(options['host'], 'ascii')
if 'port' in options.keys():
self.targetport = bytes(options['port'], 'ascii')
# destination will be set by the proxy thread later on
self.destination = None
def execute(self, data):
if self.targethost is None:
self.targethost = bytes(self.destination[0], 'ascii')
if self.targetport is None:
self.targetport = bytes(str(self.destination[1]), 'ascii')
http = b"POST /to/%s/%s HTTP/1.1\r\n" % (self.targethost, self.targetport)
http += b"Host: %s\r\n" % self.targethost
http += b"Connection: keep-alive\r\n"
http += b"Content-Length: %d\r\n" % len(data)
return http + b"\r\n" + str(data)
def help(self):
h = '\thost: remote target, used in request URL and Host header\n'
h += '\tport: remote target port, used in request URL\n'
return h
if __name__ == '__main__':
print('This module is not supposed to be executed alone!')