blob: b7a7c1a9cf06437b8702789d4204250c530fb348 (
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
|
#!/usr/local/bin/python2.7
# send Neighbor Unreachability Detection neighbor solicitation
# expect an neighbor advertisement answer and check it
import os
from addr import *
from scapy.all import *
# link-local solicited-node multicast address
def nsma(a):
n = inet_pton(socket.AF_INET6, a)
return inet_ntop(socket.AF_INET6, in6_getnsma(n))
# ethernet multicast address of multicast address
def nsmac(a):
n = inet_pton(socket.AF_INET6, a)
return in6_getnsmac(n)
# ethernet multicast address of solicited-node multicast address
def nsmamac(a):
return nsmac(nsma(a))
# link-local address
def lla(m):
return "fe80::"+in6_mactoifaceid(m)
ip=IPv6(src=SRC_OUT6, dst=DST_IN6)/ICMPv6ND_NS(tgt=DST_IN6)
eth=Ether(src=SRC_MAC, dst=DST_MAC)/ip
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] == 'Neighbor Advertisement':
tgt=a.payload.payload.tgt
print "target=%s" % (tgt)
if tgt == DST_IN6:
exit(0)
print "TARGET!=%s" % (DST_IN6)
exit(1)
print "NO NEIGHBOR ADVERTISEMENT"
exit(2)
|
