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# Usage:
# rvmsudo ruby examples/ping.rb 8.8.8.8
# Path setting slight of hand:
$: << File.expand_path("../../lib", __FILE__)
require 'packetfu'
ip = ARGV[0].chomp
config = PacketFu::Utils.whoami?()
icmp_packet = PacketFu::ICMPPacket.new(:config => config)
icmp_packet.ip_daddr = ip
icmp_packet.payload = "I'm sending ICMP packets using PacketFu!!!"
icmp_packet.icmp_type = 8
icmp_packet.recalc
capture_thread = Thread.new do
begin
Timeout::timeout(3) {
cap = PacketFu::Capture.new(:iface => config[:iface], :start => true)
cap.stream.each do |p|
pkt = PacketFu::Packet.parse p
next unless pkt.is_icmp?
if pkt.ip_saddr == ip and pkt.icmp_type == 0
puts "Got ICMP echo reply from #{ip}"
break
end
end
}
rescue Timeout::Error
puts "ICMP echo request timed out"
end
end
puts "Sending ICMP echo request to #{ip}"
icmp_packet.to_w
capture_thread.join
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