xref: /openbsd-src/regress/sys/netinet6/nd6/nd6_una.py (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c)
1#!/usr/local/bin/python2.7
2# send Unsolicited Neighbor Advertisement
3
4import os
5from addr import *
6from scapy.all import *
7
8# link-local solicited-node multicast address
9def nsma(a):
10	n = inet_pton(socket.AF_INET6, a)
11	return inet_ntop(socket.AF_INET6, in6_getnsma(n))
12
13# ethernet multicast address of multicast address
14def nsmac(a):
15	n = inet_pton(socket.AF_INET6, a)
16	return in6_getnsmac(n)
17
18# ethernet multicast address of solicited-node multicast address
19def nsmamac(a):
20	return nsmac(nsma(a))
21
22# link-local address
23def lla(m):
24	return "fe80::"+in6_mactoifaceid(m)
25
26ip=IPv6(src=lla(SRC_MAC), dst="ff02::1")/ICMPv6ND_NA(tgt=SRC_OUT6)
27eth=Ether(src=SRC_MAC, dst=nsmac("ff02::1"))/ip
28
29sendp(eth, iface=SRC_IF)
30time.sleep(1)
31
32exit(0)
33