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#!/usr/local/bin/python3
print("send icmp6 multicast listener discovery with router alert")
import os
import sys
from struct import pack
from addr import *
from scapy.all import *
if len(sys.argv) != 2:
print("usage: icmp6_mld_ra.py Nn")
exit(2)
N=sys.argv[1]
IF=eval("IF_"+N);
ADDR6=eval("ADDR6_"+N);
pid=os.getpid()
eid=pid & 0xffff
packet=IPv6(src=ADDR6, dst=ADDR6)/ \
IPv6ExtHdrHopByHop(options=RouterAlert())/ \
ICMPv6MLQuery()
# send does not work for some reason, add the bpf loopback layer manually
#send(packet)
bpf=pack('!I', 24) + bytes(packet)
sendp(bpf, iface=IF)
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