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# -*- coding: binary -*-
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require 'spec_helper'
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RSpec.describe Rex::Proto::NATPMP do
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  subject do
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    mod = Module.new
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    mod.extend described_class
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    mod
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  end
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  describe '#parse_external_address_response' do
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    it 'should properly parse non-error responses' do
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      data = "\x00\x80\x00\x00\x00\x33\x50\x53\xc0\xa8\x01\x02"
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      subject.parse_external_address_response(data)
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      ver, opcode, result, epoch, addr = subject.parse_external_address_response(data)
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      expect(ver).to eq(0)
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      expect(opcode).to eq(128)
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      expect(result).to eq(0)
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      expect(epoch).to eq(3362899)
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      expect(addr).to eq('192.168.1.2')
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    end
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    it 'should properly parse error responses' do
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      data = "\x00\x80\x00\x03\x00\x00\x70\x90\x00\x00\x00\x00"
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      subject.parse_external_address_response(data)
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      ver, opcode, result, epoch, addr = subject.parse_external_address_response(data)
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      expect(ver).to eq(0)
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      expect(opcode).to eq(128)
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      expect(result).to eq(3)
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      expect(epoch).to eq(28816)
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      expect(addr).to eq('0.0.0.0')
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    end
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  end
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  describe '#parse_map_port_response' do
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    it 'should properly parse responses' do
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      data = "\x00\x82\x00\x00\x00\x33\x6f\xd8\x11\x5c\x15\xb3\x00\x36\xee\x80"
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      ver, opcode, result, epoch, internal, external, lifetime = subject.parse_map_port_response(data)
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      expect(ver).to eq(0)
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      expect(opcode).to eq(130)
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      expect(result).to eq(0)
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      expect(epoch).to eq(3370968)
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      expect(internal).to eq(4444)
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      expect(external).to eq(5555)
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      expect(lifetime).to eq(3600000)
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    end
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  end
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end
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