#!/usr/bin/env python
"""
Author:     phillips321 contact at phillips321.co.uk
License:    CC BY-SA 3.0
Use:        Simple scapy arpscanner
Released:   www.phillips321.co.uk
Dependencies:
    scapy
ChangeLog:
    v0.2 - first release
"""
version = "0.2"
import sys, netifaces, thread
from scapy.all import *
if len(sys.argv) == 2 :
    interface = sys.argv[1]
else: #no values defined print help
    print "Usage: %s [interface] \n   eg: %s eth0" % (sys.argv[0],sys.argv[0])
    exit(1)

sourceipaddress = netifaces.ifaddresses(interface)[2][0]['addr']
netmask = netifaces.ifaddresses(interface)[2][0]['netmask']

starttime = time.time()
answered,unanswered=srp(Ether(dst="ff:ff:ff:ff:ff:ff")/ARP(pdst="192.168.0.0/24"), timeout=2, verbose=0)
endtime = time.time()

totaltime = endtime - starttime
print "Sent ARP requests in %f seconds..." % (totaltime)

for i in range(0,len(answered)):
    print "Response from " + answered[i][1].psrc + " using " + answered[i][1].hwsrc


completedtime = time.time()
totaltime = completedtime - starttime
print "Completed scan in %f seconds..." % (totaltime)