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