コード例 #1
0
ファイル: inbound.go プロジェクト: ducktsmt/v2ray-core
func (this *VMessInboundHandler) HandleConnection(connection *net.TCPConn) error {
	defer connection.Close()

	connReader := v2net.NewTimeOutReader(16, connection)
	requestReader := protocol.NewVMessRequestReader(this.clients)

	request, err := requestReader.Read(connReader)
	if err != nil {
		log.Access(connection.RemoteAddr().String(), "", log.AccessRejected, err.Error())
		log.Warning("VMessIn: Invalid request from (%s): %v", connection.RemoteAddr().String(), err)
		return err
	}
	log.Access(connection.RemoteAddr().String(), request.Address.String(), log.AccessAccepted, "")
	log.Debug("VMessIn: Received request for %s", request.Address.String())

	ray := this.space.PacketDispatcher().DispatchToOutbound(v2net.NewPacket(request.Destination(), nil, true))
	input := ray.InboundInput()
	output := ray.InboundOutput()
	var readFinish, writeFinish sync.Mutex
	readFinish.Lock()
	writeFinish.Lock()

	userSettings := vmess.GetUserSettings(request.User.Level)
	connReader.SetTimeOut(userSettings.PayloadReadTimeout)
	go handleInput(request, connReader, input, &readFinish)

	responseKey := md5.Sum(request.RequestKey)
	responseIV := md5.Sum(request.RequestIV)

	aesStream, err := v2crypto.NewAesEncryptionStream(responseKey[:], responseIV[:])
	if err != nil {
		log.Error("VMessIn: Failed to create AES decryption stream: %v", err)
		close(input)
		return err
	}

	responseWriter := v2crypto.NewCryptionWriter(aesStream, connection)

	// Optimize for small response packet
	buffer := alloc.NewLargeBuffer().Clear()
	defer buffer.Release()
	buffer.AppendBytes(request.ResponseHeader[0] ^ request.ResponseHeader[1])
	buffer.AppendBytes(request.ResponseHeader[2] ^ request.ResponseHeader[3])
	buffer.AppendBytes(byte(0), byte(0))

	if data, open := <-output; open {
		buffer.Append(data.Value)
		data.Release()
		responseWriter.Write(buffer.Value)
		go handleOutput(request, responseWriter, output, &writeFinish)
		writeFinish.Lock()
	}

	connection.CloseWrite()
	readFinish.Lock()

	return nil
}
コード例 #2
0
ファイル: inbound.go プロジェクト: earthGavinLee/v2ray-core
func (this *VMessInboundHandler) HandleConnection(connection *hub.TCPConn) {
	defer connection.Close()

	connReader := v2net.NewTimeOutReader(16, connection)
	requestReader := protocol.NewVMessRequestReader(this.clients)

	request, err := requestReader.Read(connReader)
	if err != nil {
		log.Access(connection.RemoteAddr(), serial.StringLiteral(""), log.AccessRejected, serial.StringLiteral(err.Error()))
		log.Warning("VMessIn: Invalid request from ", connection.RemoteAddr(), ": ", err)
		return
	}
	log.Access(connection.RemoteAddr(), request.Address, log.AccessAccepted, serial.StringLiteral(""))
	log.Debug("VMessIn: Received request for ", request.Address)

	ray := this.packetDispatcher.DispatchToOutbound(v2net.NewPacket(request.Destination(), nil, true))
	input := ray.InboundInput()
	output := ray.InboundOutput()
	var readFinish, writeFinish sync.Mutex
	readFinish.Lock()
	writeFinish.Lock()

	userSettings := vmess.GetUserSettings(request.User.Level)
	connReader.SetTimeOut(userSettings.PayloadReadTimeout)
	go handleInput(request, connReader, input, &readFinish)

	responseKey := md5.Sum(request.RequestKey)
	responseIV := md5.Sum(request.RequestIV)

	aesStream, err := v2crypto.NewAesEncryptionStream(responseKey[:], responseIV[:])
	if err != nil {
		log.Error("VMessIn: Failed to create AES decryption stream: ", err)
		close(input)
		return
	}

	responseWriter := v2crypto.NewCryptionWriter(aesStream, connection)

	// Optimize for small response packet
	buffer := alloc.NewLargeBuffer().Clear()
	defer buffer.Release()
	buffer.AppendBytes(request.ResponseHeader, byte(0))
	this.generateCommand(buffer)

	if data, open := <-output; open {
		if request.IsChunkStream() {
			vmessio.Authenticate(data)
		}
		buffer.Append(data.Value)
		data.Release()
		responseWriter.Write(buffer.Value)
		go func(finish *sync.Mutex) {
			var writer v2io.Writer
			writer = v2io.NewAdaptiveWriter(responseWriter)
			if request.IsChunkStream() {
				writer = vmessio.NewAuthChunkWriter(writer)
			}
			v2io.ChanToWriter(writer, output)
			finish.Unlock()
		}(&writeFinish)
		writeFinish.Lock()
	}

	connection.CloseWrite()
	readFinish.Lock()
}