# encoding: utf-8
# copyright: 2015, Vulcano Security GmbH
# author: Christoph Hartmann
# author: Dominik Richter
# license: All rights reserved

require 'utils/simpleconfig'

module Inspec::Resources
  class InetdConf < Inspec.resource(1)
    name 'inetd_conf'
    desc 'Use the inetd_conf InSpec audit resource to test if a service is enabled in the inetd.conf file on Linux and UNIX platforms. inetd---the Internet service daemon---listens on dedicated ports, and then loads the appropriate program based on a request. The inetd.conf file is typically located at /etc/inetd.conf and contains a list of Internet services associated to the ports on which that service will listen. Only enabled services may handle a request; only services that are required by the system should be enabled.'
    example "
      describe inetd_conf do
        its('shell') { should eq nil }
        its('login') { should eq nil }
        its('exec') { should eq nil }
      end
    "

    def initialize(path = nil)
      @conf_path = path || '/etc/inetd.conf'
    end

    # overwrite exec to ensure it works with its
    # TODO: this needs to be fixed in RSpec
    def exec
      read_params['exec']
    end

    def method_missing(name)
      read_params[name.to_s]
    end

    def read_params
      return @params if defined?(@params)

      # read the file
      file = inspec.file(@conf_path)
      if !file.file?
        skip_resource "Can't find file \"#{@conf_path}\""
        return @params = {}
      end

      content = file.content
      if content.empty? && file.size > 0
        skip_resource "Can't read file \"#{@conf_path}\""
        return @params = {}
      end
      # parse the file
      conf = SimpleConfig.new(
        content,
        assignment_re: /^\s*(\S+?)\s+(.*?)\s+(.*?)\s+(.*?)\s+(.*?)\s+(.*?)\s+(.*?)\s*$/,
        key_vals: 6,
        multiple_values: false,
      )
      @params = conf.params
    end

    def to_s
      'inetd.conf'
    end
  end
end