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# -*- coding: binary -*-
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require 'ipaddr'
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module Rex
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module Post
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module Meterpreter
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module Extensions
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module Stdapi
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module Net
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###
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#
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# This class represents an arp entry
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# on the remote machine.
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#
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###
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class Arp
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  ##
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  #
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  # Constructor
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  #
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  ##
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  #
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  # Returns an arp entry and initializes it to the supplied
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  # parameters.
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  #
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  def initialize(opts={})
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    self.ip_addr   = IPAddr.new_ntoh(opts[:ip_addr]).to_s
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    self.mac_addr  = mac_to_string(opts[:mac_addr])
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    self.interface = opts[:interface]
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  end
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  def mac_to_string(mac_addr)
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    macocts = []
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    mac_addr.each_byte { |o| macocts << o }
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    macocts += [0] * (6 - macocts.size) if macocts.size < 6
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    return sprintf("%02x:%02x:%02x:%02x:%02x:%02x",
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      macocts[0], macocts[1], macocts[2],
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      macocts[3], macocts[4], macocts[5])
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  end
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  #
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  # The ip address corresponding to the arp address.
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  #
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  attr_accessor :ip_addr
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  #
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  # The physical (MAC) address of the ARP entry
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  #
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  attr_accessor :mac_addr
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  #
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  # The name of the interface.
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  #
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  attr_accessor :interface
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end
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end; end; end; end; end; end
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