larrylv

class Listener
  def initialize(conn, config, dst_ip)
    @conn = conn
    @cap = PacketFu::Capture.new(
      iface: config[:iface],
      start: true,
      filter: "tcp and dst #{config[:ip_saddr]} and src #{dst_ip}"
    )
  end

larrylv

require 'packetfu'

config = PacketFu::Utils.whoami?

synpkt = PacketFu::TCPPacket.new(config: config, flavor: "Linux")
synpkt.ip_daddr      = "216.58.221.142" # ip of google.com
synpkt.tcp_dst       = 80               # port of google.com
synpkt.tcp_flags.syn = 1                # SYN
synpkt.recalc

larrylv

require 'packetfu'

cap = PacketFu::Capture.new(
 iface: config[:iface],
 start: true,
 filter: "tcp and src 216.58.221.142"
)

cap.stream.each do |pkt|
 # parse pkt and decide what to do next

larrylv

require "minitest/autorun"
require "builder"

class Converter
  XML_DECLARATION = %q(<?xml version="1.0" encoding="UTF-8"?>)

  def self.to_xml(h)
    raise unless h.kind_of? Hash

    h.inject("") { |s, (k, v)| s += node_with(k, v) }