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#!/usr/bin/python
# need root privileges
import struct
import sys
import time
from socket import AF_INET, AF_INET6, inet_ntoa
sys.path.append('python')
sys.path.append('build/python')
import nfqueue
outputfile = None
outputfilename = "dump.pcap"
from scapy import Packet, PcapWriter, hexdump
writer = None
def cb(i,payload):
data = payload.get_data()
# Add padding before packet
# src mac + dst mac + 0x0800 (type: IP)
pad = "\0" * 12 + "\x08\0" + data
pkt = Packet(_pkt=pad)
writer.write(pkt)
return 1
q = nfqueue.queue()
q.open()
q.unbind(AF_INET)
if q.bind(AF_INET) != 0:
q.close()
raise RuntimeError("Could not bind to nfqueue")
writer = PcapWriter(outputfilename)
q.set_callback(cb)
q.create_queue(0)
try:
q.try_run()
except KeyboardInterrupt, e:
pass
q.unbind(AF_INET)
q.close()
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