1#!/usr/local/bin/python3 2# send a ping6 packet without routing header type 0 3# we expect an echo reply, as there is no routing header 4 5print("send ping6 packet without routing header type 0") 6 7import os 8from addr import * 9from scapy.all import * 10 11eid=os.getpid() & 0xffff 12payload=b"ABCDEFGHIJKLMNOP" 13packet=IPv6(src=LOCAL_ADDR6, dst=REMOTE_ADDR6)/\ 14 ICMPv6EchoRequest(id=eid, data=payload) 15eth=Ether(src=LOCAL_MAC, dst=REMOTE_MAC)/packet 16 17if os.fork() == 0: 18 time.sleep(1) 19 sendp(eth, iface=LOCAL_IF) 20 os._exit(0) 21 22ans=sniff(iface=LOCAL_IF, timeout=3, filter= 23 "ip6 and dst "+LOCAL_ADDR6+" and icmp6") 24for a in ans: 25 if a and a.type == ETH_P_IPV6 and \ 26 ipv6nh[a.payload.nh] == 'ICMPv6' and \ 27 icmp6types[a.payload.payload.type] == 'Echo Reply': 28 reply=a.payload.payload 29 id=reply.id 30 print("id=%#x" % (id)) 31 if id != eid: 32 print("WRONG ECHO REPLY ID") 33 exit(2) 34 data=reply.data 35 print("payload=%s" % (data)) 36 if data != payload: 37 print("WRONG PAYLOAD") 38 exit(2) 39 exit(0) 40print("NO ICMP6 ECHO REPLY") 41exit(1) 42