rh0_empty.py revision 1.2 
1#!/usr/local/bin/python2.7
2# send a ping6 packet with routing header type 0
3# the address list is empty
4# we expect a parameter problem from header scanning
5
6import os
7from addr import *
8from scapy.all import *
9
10pid=os.getpid()
11payload="ABCDEFGHIJKLMNOP"
12packet=IPv6(src=SRC_OUT6, dst=DST_IN6)/\
13    IPv6ExtHdrRouting(addresses=[])/\
14    ICMPv6EchoRequest(id=pid, data=payload)
15eth=Ether(src=SRC_MAC, dst=DST_MAC)/packet
16
17if os.fork() == 0:
18	time.sleep(1)
19	sendp(eth, iface=SRC_IF)
20	os._exit(0)
21
22ans=sniff(iface=SRC_IF, timeout=3, filter=
23    "ip6 and dst "+SRC_OUT6+" and icmp6")
24for a in ans:
25	if a and a.type == scapy.layers.dot11.ETHER_TYPES.IPv6 and \
26	    ipv6nh[a.payload.nh] == 'ICMPv6' and \
27	    icmp6types[a.payload.payload.type] == 'Parameter problem':
28		pprob=a.payload.payload
29		code=pprob.code
30		print "code=%#d" % (code)
31		if code != 0:
32			print "WRONG PARAMETER PROBLEM CODE"
33			exit(2)
34		ptr=pprob.ptr
35		print "ptr=%#d" % (ptr)
36		if ptr != 42:
37			print "WRONG PARAMETER PROBLEM POINTER"
38			exit(2)
39		exit(0)
40print "NO ICMP6 PARAMETER PROBLEM"
41exit(1)
42