blob: 62fb4473ee46299eaf370e2d2faae94e7608503f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
#!/usr/local/bin/python2.7
print "ping6 fragment without payload with other proto after first fragment"
# |---------|
# ||
# |----|
import os
from addr import *
from scapy.all import *
pid=os.getpid()
eid=pid & 0xffff
payload="ABCDEFGHIJKLMNOP"
packet=IPv6(src=SRC_OUT6, dst=DST_IN6)/ICMPv6EchoRequest(id=eid, data=payload)
frag=[]
fid=pid & 0xffffffff
frag.append(IPv6ExtHdrFragment(nh=58, id=fid, m=1)/str(packet)[40:56])
frag.append(IPv6ExtHdrFragment(nh=59, id=fid, m=1))
frag.append(IPv6ExtHdrFragment(nh=58, id=fid, offset=2)/str(packet)[56:64])
eth=[]
for f in frag:
pkt=IPv6(src=SRC_OUT6, dst=DST_IN6)/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 == ETH_P_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 != eid:
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(2)
print "NO ECHO REPLY"
exit(1)
|
