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# -*- coding: binary -*-
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module Msf
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###
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#
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# Network address option.
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#
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###
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class OptAddress < OptBase
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  def type
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    return 'address'
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  end
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  def valid?(value, check_empty: true, datastore: nil)
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    return false if check_empty && empty_required_value?(value)
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    return false unless value.kind_of?(String) or value.kind_of?(NilClass)
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    if (value != nil and value.empty? == false)
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      begin
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        getaddr_result = ::Rex::Socket.getaddress(value, true)
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        # Covers a wierdcase where an incomplete ipv4 address will have it's
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        # missing octets filled in  with 0's. (e.g 192.168 become 192.0.0.168)
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        # which does not feel like a legit behaviour
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        if value =~ /^\d{1,3}(\.\d{1,3}){1,3}$/
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          return false unless value =~ Rex::Socket::MATCH_IPV4
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        end
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      rescue
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        return false
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      end
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    end
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    return super
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  end
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end
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end
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