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#!/usr/local/bin/python3
# send Address Resolution Protocol Request for Proxy ARP
# expect Address Resolution Protocol fake response and check all fields
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=FAKE_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 != FAKE_MAC:
print("HWLOCAL=%s != FAKE_MAC" % (a.hwsrc))
exit(1)
if a.psrc != FAKE_ADDR:
print("PLOCAL=%s != FAKE_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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