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#!/usr/local/bin/python2.7
# send 2 ping6 fragments with hop-by-hop extension header
import os
from addr import *
from scapy.all import *
pid=os.getpid()
payload="ABCDEFGHIJKLOMNO"
packet=IPv6(src=SRC_OUT6, dst=DST_IN6)/ICMPv6EchoRequest(id=pid, data=payload)
frag=[]
frag.append(IPv6ExtHdrFragment(nh=58, id=pid, m=1)/str(packet)[40:56])
frag.append(IPv6ExtHdrFragment(nh=58, id=pid, offset=2)/str(packet)[56:64])
eth=[]
for f in frag:
pkt=IPv6(src=SRC_OUT6, dst=DST_IN6)/IPv6ExtHdrHopByHop()/f
eth.append(Ether(src=SRC_MAC, dst=DST_MAC)/pkt)
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 src "+DST_IN6+" and dst "+SRC_OUT6+" and icmp6")
for a in ans:
if a and a.type == scapy.layers.dot11.ETHER_TYPES.IPv6 and \
ipv6nh[a.payload.nh] == 'ICMPv6' and \
icmp6types[a.payload.payload.type] == 'Echo Reply':
id=a.payload.payload.id
print "id=%#x" % (id)
if id != pid:
print "WRONG ECHO REPLY ID"
exit(2)
data=a.payload.payload.data
print "payload=%s" % (data)
if data == payload:
exit(0)
print "PAYLOAD!=%s" % (payload)
exit(1)
print "NO ECHO REPLY"
exit(2)
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