1*ac29c8e0Sbluhm#!/usr/local/bin/python3 2a13597faSbluhm# send Address Resolution Protocol Request for Proxy ARP 3a13597faSbluhm# expect Address Resolution Protocol fake response and check all fields 4a13597faSbluhm 5a13597faSbluhmimport os 6a13597faSbluhmfrom addr import * 7a13597faSbluhmfrom scapy.all import * 8a13597faSbluhm 9a13597faSbluhmarp=ARP(op='who-has', hwsrc=LOCAL_MAC, psrc=LOCAL_ADDR, 10a13597faSbluhm hwdst="ff:ff:ff:ff:ff:ff", pdst=FAKE_ADDR) 11a13597faSbluhmeth=Ether(src=LOCAL_MAC, dst="ff:ff:ff:ff:ff:ff")/arp 12a13597faSbluhm 13a13597faSbluhme=srp1(eth, iface=LOCAL_IF, timeout=2) 14a13597faSbluhm 15a13597faSbluhmif e and e.type == ETH_P_ARP: 16a13597faSbluhm a=e.payload 17a13597faSbluhm if a.hwtype != ARPHDR_ETHER: 18*ac29c8e0Sbluhm print("HWTYPE=%#0.4x != ARPHDR_ETHER" % (a.hwtype)) 19a13597faSbluhm exit(1) 20a13597faSbluhm if a.ptype != ETH_P_IP: 21*ac29c8e0Sbluhm print("PTYPE=%#0.4x != ETH_P_IP" % (a.ptype)) 22a13597faSbluhm exit(1) 23a13597faSbluhm if a.hwlen != 6: 24*ac29c8e0Sbluhm print("HWLEN=%d != 6" % (a.hwlen)) 25a13597faSbluhm exit(1) 26a13597faSbluhm if a.plen != 4: 27*ac29c8e0Sbluhm print("PLEN=%d != 4" % (a.plen)) 28a13597faSbluhm exit(1) 29a13597faSbluhm if a.op != 2: 30*ac29c8e0Sbluhm print("OP=%s != is-at" % (a.op)) 31a13597faSbluhm exit(1) 32a13597faSbluhm if a.hwsrc != FAKE_MAC: 33*ac29c8e0Sbluhm print("HWLOCAL=%s != FAKE_MAC" % (a.hwsrc)) 34a13597faSbluhm exit(1) 35a13597faSbluhm if a.psrc != FAKE_ADDR: 36*ac29c8e0Sbluhm print("PLOCAL=%s != FAKE_ADDR" % (a.psrc)) 37a13597faSbluhm exit(1) 38a13597faSbluhm if a.hwdst != LOCAL_MAC: 39*ac29c8e0Sbluhm print("HWREMOTE=%s != LOCAL_MAC" % (a.hwdst)) 40a13597faSbluhm exit(1) 41a13597faSbluhm if a.pdst != LOCAL_ADDR: 42*ac29c8e0Sbluhm print("PREMOTE=%s != LOCAL_ADDR" % (a.pdst)) 43a13597faSbluhm exit(1) 44*ac29c8e0Sbluhm print("arp reply") 45a13597faSbluhm exit(0) 46a13597faSbluhm 47*ac29c8e0Sbluhmprint("NO ARP REPLY") 48a13597faSbluhmexit(2) 49