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#!/usr/local/bin/python2.7
# send a ping6 packet with routing header type 0
# try to source route
# we expect an ICMP6 error, as we do not support source routing
import os
from addr import *
from scapy.all import *
eid=os.getpid() & 0xffff
payload="ABCDEFGHIJKLMNOP"
packet=IPv6(src=SRC_OUT6, dst=DST_IN6)/\
IPv6ExtHdrRouting(addresses=[SRT_IN6, SRT_OUT6], segleft=2)/\
ICMPv6EchoRequest(id=eid, data=payload)
eth=Ether(src=SRC_MAC, dst=DST_MAC)/packet
if os.fork() == 0:
time.sleep(1)
sendp(eth, iface=SRC_IF)
os._exit(0)
ans=sniff(iface=SRC_IF, timeout=3, filter=
"ip6 and dst "+SRC_OUT6+" and icmp6")
for a in ans:
if a and a.type == ETH_P_IPV6 and \
ipv6nh[a.payload.nh] == 'ICMPv6' and \
icmp6types[a.payload.payload.type] == 'Parameter problem':
pprob=a.payload.payload
code=pprob.code
print "code=%#d" % (code)
if code != 0:
print "WRONG PARAMETER PROBLEM CODE"
exit(2)
ptr=pprob.ptr
print "ptr=%#d" % (ptr)
if ptr != 42:
print "WRONG PARAMETER PROBLEM POINTER"
exit(2)
exit(0)
print "NO ICMP6 PARAMETER PROBLEM"
exit(1)
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