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#!/usr/local/bin/python2.7
# send Address Resolution Protocol Request
# expect Address Resolution Protocol response and check all fields
# RFC 826 An Ethernet Address Resolution Protocol
# Packet Generation
import os
from addr import *
from scapy.all import *
arp=ARP(op='who-has', hwsrc=LOCAL_MAC, psrc=LOCAL_ADDR,
hwdst="ff:ff:ff:ff:ff:ff", pdst=REMOTE_ADDR)
eth=Ether(src=LOCAL_MAC, dst="ff:ff:ff:ff:ff:ff")/arp
e=srp1(eth, iface=LOCAL_IF, timeout=2)
if e and e.type == ETH_P_ARP:
a=e.payload
if a.hwtype != ARPHDR_ETHER:
print "HWTYPE=%#0.4x != ARPHDR_ETHER" % (a.hwtype)
exit(1)
if a.ptype != ETH_P_IP:
print "PTYPE=%#0.4x != ETH_P_IP" % (a.ptype)
exit(1)
if a.hwlen != 6:
print "HWLEN=%d != 6" % (a.hwlen)
exit(1)
if a.plen != 4:
print "PLEN=%d != 4" % (a.plen)
exit(1)
if a.op != 2:
print "OP=%s != is-at" % (a.op)
exit(1)
if a.hwsrc != REMOTE_MAC:
print "HWLOCAL=%s != REMOTE_MAC" % (a.hwsrc)
exit(1)
if a.psrc != REMOTE_ADDR:
print "PLOCAL=%s != REMOTE_ADDR" % (a.psrc)
exit(1)
if a.hwdst != LOCAL_MAC:
print "HWREMOTE=%s != LOCAL_MAC" % (a.hwdst)
exit(1)
if a.pdst != LOCAL_ADDR:
print "PREMOTE=%s != LOCAL_ADDR" % (a.pdst)
exit(1)
print "arp reply"
exit(0)
print "NO ARP REPLY"
exit(2)
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