#!/usr/bin/env ruby
#
# $Id: icmpv6-spew 152 2009-12-13 06:21:32Z jhart $
#
# Given a source and destination IP address
# and a data size, spew all 65536 possible ICMPv6 
require 'rubygems'
require 'racket'
include Racket
if (ARGV.size != 4) 
  puts "Usage #{$0} <interface> <src_ip> <dst_ip> <icmp data size>"
  exit!
end
def tick 
  @it += 1
  @it = 0 if @it >= @ticks.size
  print "\r#{@ticks[@it]}"
  STDOUT.flush
end
def rand_icmp6(n)
  n.l4 = L4::ICMPv6.new(Misc.randstring(40))
  n.l4.payload = Misc.randstring(ARGV[3].to_i)
  n.l4.fix!(n.l3.src_ip, n.l3.dst_ip)
  n.sendpacket
  tick
end
@it = 0
@ticks = %w( / - \\ | )
n = Racket::Racket.new
n.iface = ARGV[0] 
n.l2 = L2::Ethernet.new(Misc.randstring(14))
n.l2.ethertype = 0x86DD
n.l3 = L3::IPv6.new
n.l3.src_ip= L3::Misc.ipv62long(ARGV[1])
n.l3.dst_ip= L3::Misc.ipv62long(ARGV[2])
n.l3.nhead = 58
puts "Spewing..."
while (true)
  rand_icmp6(n)
end
# vim: set ts=2 et sw=2: