#!/usr/bin/env python

import random, traceback, logging, socket, struct
logging.getLogger("scapy.runtime").setLevel(logging.ERROR)

import scapy.all
import binascii

def fuzz(packet):
    rand_chr = chr(random.choice(range(256)))
    replacement = random.choice(range(len(packet)))
    packet = packet[:replacement] + str(rand_chr) + packet[replacement+1:]
    return packet

def packet_generate():
    layers = []
    for name in dir(scapy.all):
        #Skip the base packet and a genergic packet which can describe anything
        if name in ['Packet', 'ASN1_Packet', 'ISAKMP_payload_ID']:
            continue
        item = getattr(scapy.all, name)
        try:
            if issubclass(item, scapy.all.Packet):
                layers.append(item)
        except TypeError:
            pass

    while True:
        layer = random.choice(layers)
        packet = scapy.all.fuzz(scapy.all.IP(dst='127.0.0.1')/layer())
        yield packet

if __name__ == "__main__":
    for x in packet_generate():
        try:
            x = str(x)
            while random.random() > 0.50:
                x = fuzz(x)
            print x
            print
        except KeyboardInterrupt:
            break
        except (ValueError, TypeError, AttributeError, socket.error, struct.error, IndexError):
            pass
        except Exception, e:
            print type(e)
            traceback.print_exc()