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# -*- coding:binary -*-
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RSpec.describe Rex::Proto::Proxy::Socks5::Packet do
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  Socks5 = Rex::Proto::Proxy::Socks5
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  describe "#address" do
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    it "should parse an IPv4 address" do
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      packet = Socks5::Packet.read("\x05\x02\x00\x01\x7f\x00\x00\x01\x00\x00")
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      expect(packet.address_type).to eq(Socks5::Address::ADDRESS_TYPE_IPV4)
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      expect(packet.address).to eq('127.0.0.1')
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    end
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    it "should parse an IPv6 address" do
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      packet = Socks5::Packet.read("\x05\x02\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00")
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      expect(packet.address_type).to eq(Socks5::Address::ADDRESS_TYPE_IPV6)
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      expect(packet.address).to eq('::1')
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    end
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    it "should parse a domain name" do
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      packet = Socks5::Packet.read("\x05\x02\x00\x03\x12www.metasploit.com\x00\x00")
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      expect(packet.address_type).to eq(Socks5::Address::ADDRESS_TYPE_DOMAINNAME)
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      expect(packet.address).to eq('www.metasploit.com')
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    end
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  end
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  describe "#address=" do
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    it "should set an IPv4 address" do
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      packet = Socks5::Packet.new
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      packet.address = '127.0.0.1'
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      expect(packet.address_type).to eq(Socks5::Address::ADDRESS_TYPE_IPV4)
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      expect(packet.address_array).to eq([0x7f, 0x00, 0x00, 0x01])
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    end
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    it "should set an IPv6 address" do
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      packet = Socks5::Packet.new
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      packet.address = '::1'
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      expect(packet.address_type).to eq(Socks5::Address::ADDRESS_TYPE_IPV6)
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      expect(packet.address_array).to eq([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01])
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    end
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    it "should set a domain name" do
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      packet = Socks5::Packet.new
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      packet.address = 'www.metasploit.com'
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      expect(packet.address_type).to eq(Socks5::Address::ADDRESS_TYPE_DOMAINNAME)
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      expect(packet.address_array).to eq([0x77, 0x77, 0x77, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x73, 0x70, 0x6c, 0x6f, 0x69, 0x74, 0x2e, 0x63, 0x6f, 0x6d])
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    end
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  end
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  describe "#command" do
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    it "should parse a connect command" do
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      packet = Socks5::Packet.read("\x05\x01\x00\x01\x7f\x00\x00\x01\x00\x00")
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      expect(packet.command).to eq(Socks5::ServerClient::COMMAND_CONNECT)
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    end
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    it "should parse a bind command" do
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      packet = Socks5::Packet.read("\x05\x02\x00\x01\x7f\x00\x00\x01\x00\x00")
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      expect(packet.command).to eq(Socks5::ServerClient::COMMAND_BIND)
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    end
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    it "should parse a UDP associate command" do
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      packet = Socks5::Packet.read("\x05\x03\x00\x01\x7f\x00\x00\x01\x00\x00")
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      expect(packet.command).to eq(Socks5::ServerClient::COMMAND_UDP_ASSOCIATE)
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    end
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  end
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  describe "#read" do
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    it "should parse all fields" do
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      packet = Socks5::Packet.read("\x05\x01\x00\x01\x7f\x00\x00\x01\x00\x50")
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      expect(packet.version).to eq(Socks5::SOCKS_VERSION)
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      expect(packet.command).to eq(Socks5::ServerClient::COMMAND_CONNECT)
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      expect(packet.address_type).to eq(Socks5::Address::ADDRESS_TYPE_IPV4)
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      expect(packet.address).to eq('127.0.0.1')
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      expect(packet.port).to eq(80)
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    end
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  end
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  describe "#to_binary_s" do
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    it "should pack the data to a binary string" do
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      packet = Socks5::Packet.new
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      expect(packet.to_binary_s).to eq("\x05\x00\x00\x00\x00\x00")
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    end
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  end
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  describe "#version" do
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    it "should have the SOCKS5 version set by default" do
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      packet = Socks5::Packet.new
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      packet.version = Socks5::SOCKS_VERSION
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    end
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  end
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end
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