# frozen_string_literal: true

##
# This file is part of WhatWeb and may be subject to
# redistribution and commercial restrictions. Please see the WhatWeb
# web site for more information on licensing and terms of use.
# http://www.morningstarsecurity.com/research/whatweb
##
WhatWeb::Plugin.define "Procon-Electronics-Mod-Mux" do
  @author = "Brendan Coles <bcoles@gmail.com>" # 2011-07-27
  @version = "0.1"
  @description = "Procon Electronics Mod-Mux (Serial/Ethernet Converter & Modbus Gateway) is a MODBUS TCP Converter. This converter is used to connect an Ethernet network to a RS485/232 network, and converts the Modbus TCP protocol to the standard Modbus RTU serial protocol on RS485/232."
  @website = "http://www.proconel.com/"

  # ShodanHQ results as at 2011-07-27 #
  # 39 for Procon Electronics

  # Passive #
  def passive(target)
    m = []

    # HTTP Server Header
    if /^Procon Electronics Mod-Mux$/.match?(target.headers["server"])

      m << { name: "HTTP Server Header" }

      # Model Detection # Page Title
      m << { model: target.body.scan(/<title>MODBUS TCP \/ ([^\s]+) Converter<\/title>/)[0][0] } if target.body =~ /<title>MODBUS TCP \/ ([^\s]+) Converter<\/title>/

    end

    # Return passive matches
    m
  end
end