コード例 #1
1
ファイル: socks.go プロジェクト: kennshi/v2ray-core
func (server *SocksServer) handleSocks4(reader io.Reader, writer io.Writer, auth protocol.Socks4AuthenticationRequest) error {
	result := protocol.Socks4RequestGranted
	if auth.Command == protocol.CmdBind {
		result = protocol.Socks4RequestRejected
	}
	socks4Response := protocol.NewSocks4AuthenticationResponse(result, auth.Port, auth.IP[:])

	responseBuffer := alloc.NewSmallBuffer().Clear()
	socks4Response.Write(responseBuffer)
	writer.Write(responseBuffer.Value)
	responseBuffer.Release()

	if result == protocol.Socks4RequestRejected {
		log.Warning("Unsupported socks 4 command %d", auth.Command)
		return UnsupportedSocksCommand
	}

	dest := v2net.NewTCPDestination(v2net.IPAddress(auth.IP[:], auth.Port))
	data, err := v2net.ReadFrom(reader, nil)
	if err != nil {
		return err
	}

	packet := v2net.NewPacket(dest, data, true)
	server.transport(reader, writer, packet)
	return nil
}
コード例 #2
0
ファイル: dokodemo.go プロジェクト: zhaojunmo/v2ray-core
func (this *DokodemoDoor) handleUDPPackets() {
	for this.accepting {
		buffer := alloc.NewBuffer()
		this.udpMutex.RLock()
		if !this.accepting {
			this.udpMutex.RUnlock()
			return
		}
		nBytes, addr, err := this.udpConn.ReadFromUDP(buffer.Value)
		this.udpMutex.RUnlock()
		buffer.Slice(0, nBytes)
		if err != nil {
			buffer.Release()
			log.Error("Dokodemo failed to read from UDP: ", err)
			return
		}

		packet := v2net.NewPacket(v2net.UDPDestination(this.address, this.port), buffer, false)
		ray := this.space.PacketDispatcher().DispatchToOutbound(packet)
		close(ray.InboundInput())

		for payload := range ray.InboundOutput() {
			this.udpMutex.RLock()
			if !this.accepting {
				this.udpMutex.RUnlock()
				return
			}
			this.udpConn.WriteToUDP(payload.Value, addr)
			this.udpMutex.RUnlock()
		}
	}
}
コード例 #3
0
ファイル: freedom_test.go プロジェクト: jim1568cas/v2ray-core
func TestSinglePacket(t *testing.T) {
	v2testing.Current(t)
	port := v2nettesting.PickPort()

	tcpServer := &tcp.Server{
		Port: port,
		MsgProcessor: func(data []byte) []byte {
			buffer := make([]byte, 0, 2048)
			buffer = append(buffer, []byte("Processed: ")...)
			buffer = append(buffer, data...)
			return buffer
		},
	}
	_, err := tcpServer.Start()
	assert.Error(err).IsNil()

	freedom := &FreedomConnection{}
	traffic := ray.NewRay()
	data2Send := "Data to be sent to remote"
	payload := alloc.NewSmallBuffer().Clear().Append([]byte(data2Send))
	packet := v2net.NewPacket(v2net.TCPDestination(v2net.IPAddress([]byte{127, 0, 0, 1}), port), payload, false)

	err = freedom.Dispatch(packet, traffic)
	assert.Error(err).IsNil()
	close(traffic.InboundInput())

	respPayload := <-traffic.InboundOutput()
	defer respPayload.Release()
	assert.Bytes(respPayload.Value).Equals([]byte("Processed: Data to be sent to remote"))

	_, open := <-traffic.InboundOutput()
	assert.Bool(open).IsFalse()

	tcpServer.Close()
}
コード例 #4
0
ファイル: vmessin_udp.go プロジェクト: kkndyu/v2ray-core
func (handler *VMessInboundHandler) AcceptPackets(conn *net.UDPConn) {
	for {
		buffer := make([]byte, bufferSize)
		nBytes, addr, err := conn.ReadFromUDP(buffer)
		if err != nil {
			log.Error("VMessIn failed to read UDP packets: %v", err)
			continue
		}

		reader := bytes.NewReader(buffer[:nBytes])
		requestReader := protocol.NewVMessRequestReader(handler.clients)

		request, err := requestReader.Read(reader)
		if err != nil {
			log.Warning("VMessIn: Invalid request from (%s): %v", addr.String(), err)
			continue
		}

		cryptReader, err := v2io.NewAesDecryptReader(request.RequestKey, request.RequestIV, reader)
		if err != nil {
			log.Error("VMessIn: Failed to create decrypt reader: %v", err)
			continue
		}

		data := make([]byte, bufferSize)
		nBytes, err = cryptReader.Read(data)
		if err != nil {
			log.Warning("VMessIn: Unable to decrypt data: %v", err)
			continue
		}

		packet := v2net.NewPacket(request.Destination(), data[:nBytes], false)
		go handler.handlePacket(conn, request, packet, addr)
	}
}
コード例 #5
0
ファイル: udp.go プロジェクト: NinjaOSX/v2ray-core
func (server *SocksServer) AcceptPackets(conn *net.UDPConn) error {
	for {
		buffer := alloc.NewBuffer()
		nBytes, addr, err := conn.ReadFromUDP(buffer.Value)
		if err != nil {
			log.Error("Socks failed to read UDP packets: %v", err)
			buffer.Release()
			continue
		}
		log.Info("Client UDP connection from %v", addr)
		request, err := protocol.ReadUDPRequest(buffer.Value[:nBytes])
		buffer.Release()
		if err != nil {
			log.Error("Socks failed to parse UDP request: %v", err)
			request.Data.Release()
			continue
		}
		if request.Fragment != 0 {
			log.Warning("Dropping fragmented UDP packets.")
			// TODO handle fragments
			request.Data.Release()
			continue
		}

		udpPacket := v2net.NewPacket(request.Destination(), request.Data, false)
		log.Info("Send packet to %s with %d bytes", udpPacket.Destination().String(), request.Data.Len())
		go server.handlePacket(conn, udpPacket, addr, request.Address)
	}
}
コード例 #6
0
func (this *UDPServer) handleConnection(destString string, inboundRay ray.InboundRay, source v2net.Destination, callback UDPResponseCallback) {
	for buffer := range inboundRay.InboundOutput() {
		callback(v2net.NewPacket(source, buffer, false))
	}
	this.Lock()
	delete(this.conns, destString)
	this.Unlock()
}
コード例 #7
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 #8
0
ファイル: freedom_test.go プロジェクト: airmao/v2ray-core
func TestUDPSend(t *testing.T) {
	v2testing.Current(t)

	data2Send := "Data to be sent to remote"

	udpServer := &udp.Server{
		Port: 0,
		MsgProcessor: func(data []byte) []byte {
			buffer := make([]byte, 0, 2048)
			buffer = append(buffer, []byte("Processed: ")...)
			buffer = append(buffer, data...)
			return buffer
		},
	}

	udpServerAddr, err := udpServer.Start()
	assert.Error(err).IsNil()

	connOutput := bytes.NewBuffer(make([]byte, 0, 1024))
	ich := &proxymocks.InboundConnectionHandler{
		ConnInput:  bytes.NewReader([]byte("Not Used")),
		ConnOutput: connOutput,
	}

	protocol, err := proxytesting.RegisterInboundConnectionHandlerCreator("mock_ich",
		func(space app.Space, config interface{}) (v2proxy.InboundHandler, error) {
			ich.Space = space
			return ich, nil
		})
	assert.Error(err).IsNil()

	pointPort := v2nettesting.PickPort()
	config := &point.Config{
		Port: pointPort,
		InboundConfig: &point.ConnectionConfig{
			Protocol: protocol,
			Settings: nil,
		},
		OutboundConfig: &point.ConnectionConfig{
			Protocol: "freedom",
			Settings: nil,
		},
	}

	point, err := point.NewPoint(config)
	assert.Error(err).IsNil()

	err = point.Start()
	assert.Error(err).IsNil()

	data2SendBuffer := alloc.NewBuffer().Clear()
	data2SendBuffer.Append([]byte(data2Send))
	ich.Communicate(v2net.NewPacket(udpServerAddr, data2SendBuffer, false))
	assert.Bytes(connOutput.Bytes()).Equals([]byte("Processed: Data to be sent to remote"))
}
コード例 #9
0
ファイル: vmessin.go プロジェクト: amazted/v2ray-core
func (handler *VMessInboundHandler) HandleConnection(connection *net.TCPConn) error {
	defer connection.Close()

	connReader := v2net.NewTimeOutReader(16, connection)
	requestReader := protocol.NewVMessRequestReader(handler.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 := handler.dispatcher.DispatchToOutbound(v2net.NewPacket(request.Destination(), nil, true))
	input := ray.InboundInput()
	output := ray.InboundOutput()
	var readFinish, writeFinish sync.Mutex
	readFinish.Lock()
	writeFinish.Lock()

	connReader.SetTimeOut(120)
	go handleInput(request, connReader, input, &readFinish)

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

	responseWriter, err := v2io.NewAesEncryptWriter(responseKey[:], responseIV[:], connection)
	if err != nil {
		log.Error("VMessIn: Failed to create encrypt writer: %v", err)
		return err
	}

	// Optimize for small response packet
	buffer := alloc.NewLargeBuffer().Clear()
	buffer.Append(request.ResponseHeader)

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

	connection.CloseWrite()
	readFinish.Lock()

	return nil
}
コード例 #10
0
ファイル: http.go プロジェクト: adoot/v2ray-core
func (this *HttpProxyServer) handlePlainHTTP(request *http.Request, dest v2net.Destination, reader *bufio.Reader, writer io.Writer) {
	if len(request.URL.Host) <= 0 {
		hdr := http.Header(make(map[string][]string))
		hdr.Set("Connection", "close")
		response := &http.Response{
			Status:        "400 Bad Request",
			StatusCode:    400,
			Proto:         "HTTP/1.1",
			ProtoMajor:    1,
			ProtoMinor:    1,
			Header:        hdr,
			Body:          nil,
			ContentLength: 0,
			Close:         false,
		}

		buffer := alloc.NewSmallBuffer().Clear()
		response.Write(buffer)
		writer.Write(buffer.Value)
		buffer.Release()
		return
	}

	request.Host = request.URL.Host
	stripHopByHopHeaders(request)

	requestBuffer := alloc.NewBuffer().Clear()
	request.Write(requestBuffer)
	log.Info("Request to remote:\n%s", string(requestBuffer.Value))

	packet := v2net.NewPacket(dest, requestBuffer, true)
	ray := this.space.PacketDispatcher().DispatchToOutbound(packet)
	defer close(ray.InboundInput())

	var wg sync.WaitGroup
	wg.Add(1)
	go func() {
		defer wg.Done()
		responseReader := bufio.NewReader(NewChanReader(ray.InboundOutput()))
		responseBuffer := alloc.NewBuffer()
		defer responseBuffer.Release()
		response, err := http.ReadResponse(responseReader, request)
		if err != nil {
			return
		}
		responseBuffer.Clear()
		response.Write(responseBuffer)
		writer.Write(responseBuffer.Value)
		response.Body.Close()
	}()
	wg.Wait()
}
コード例 #11
0
ファイル: dokodemo.go プロジェクト: earthGavinLee/v2ray-core
func (this *DokodemoDoor) handleUDPPackets(payload *alloc.Buffer, dest v2net.Destination) {
	packet := v2net.NewPacket(v2net.UDPDestination(this.address, this.port), payload, false)
	this.udpServer.Dispatch(dest, packet, func(packet v2net.Packet) {
		defer packet.Chunk().Release()
		this.udpMutex.RLock()
		if !this.accepting {
			this.udpMutex.RUnlock()
			return
		}
		this.udpHub.WriteTo(packet.Chunk().Value, packet.Destination())
		this.udpMutex.RUnlock()
	})
}
コード例 #12
0
ファイル: freedom_test.go プロジェクト: road0001/v2ray-core
func TestUDPSend(t *testing.T) {
	assert := unit.Assert(t)

	data2Send := "Data to be sent to remote"

	udpServer := &udp.Server{
		Port: 0,
		MsgProcessor: func(data []byte) []byte {
			buffer := make([]byte, 0, 2048)
			buffer = append(buffer, []byte("Processed: ")...)
			buffer = append(buffer, data...)
			return buffer
		},
	}

	udpServerAddr, err := udpServer.Start()
	assert.Error(err).IsNil()

	connOutput := bytes.NewBuffer(make([]byte, 0, 1024))
	ich := &proxymocks.InboundConnectionHandler{
		ConnInput:  bytes.NewReader([]byte("Not Used")),
		ConnOutput: connOutput,
	}

	connhandler.RegisterInboundConnectionHandlerFactory("mock_ich", ich)

	pointPort := v2nettesting.PickPort()
	config := mocks.Config{
		PortValue: pointPort,
		InboundConfigValue: &mocks.ConnectionConfig{
			ProtocolValue: "mock_ich",
			SettingsValue: nil,
		},
		OutboundConfigValue: &mocks.ConnectionConfig{
			ProtocolValue: "freedom",
			SettingsValue: nil,
		},
	}

	point, err := point.NewPoint(&config)
	assert.Error(err).IsNil()

	err = point.Start()
	assert.Error(err).IsNil()

	data2SendBuffer := alloc.NewBuffer().Clear()
	data2SendBuffer.Append([]byte(data2Send))
	dest := v2net.NewUDPDestination(udpServerAddr)
	ich.Communicate(v2net.NewPacket(dest, data2SendBuffer, false))
	assert.Bytes(connOutput.Bytes()).Equals([]byte("Processed: Data to be sent to remote"))
}
コード例 #13
0
ファイル: vmessin.go プロジェクト: nenew/v2ray-core
func (handler *VMessInboundHandler) HandleConnection(connection net.Conn) error {
	defer connection.Close()

	connReader := v2net.NewTimeOutReader(4, connection)
	requestReader := protocol.NewVMessRequestReader(handler.clients)

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

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

	go handleInput(request, connReader, input, &readFinish)

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

	response := protocol.NewVMessResponse(request)
	responseWriter, err := v2io.NewAesEncryptWriter(responseKey[:], responseIV[:], connection)
	if err != nil {
		return log.Error("VMessIn: Failed to create encrypt writer: %v", err)
	}

	// Optimize for small response packet
	buffer := make([]byte, 0, 2*1024)
	buffer = append(buffer, response[:]...)

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

	if tcpConn, ok := connection.(*net.TCPConn); ok {
		tcpConn.CloseWrite()
	}
	readFinish.Lock()

	return nil
}
コード例 #14
0
ファイル: freedom_test.go プロジェクト: jim1568cas/v2ray-core
func TestUnreachableDestination(t *testing.T) {
	v2testing.Current(t)

	freedom := &FreedomConnection{}
	traffic := ray.NewRay()
	data2Send := "Data to be sent to remote"
	payload := alloc.NewSmallBuffer().Clear().Append([]byte(data2Send))
	packet := v2net.NewPacket(v2net.TCPDestination(v2net.IPAddress([]byte{127, 0, 0, 1}), 128), payload, false)

	err := freedom.Dispatch(packet, traffic)
	assert.Error(err).IsNotNil()

	_, open := <-traffic.InboundOutput()
	assert.Bool(open).IsFalse()
}
コード例 #15
0
func (this *UDPServer) Dispatch(source v2net.Destination, packet v2net.Packet, callback UDPResponseCallback) {
	destString := source.String() + "-" + packet.Destination().String()
	if this.locateExistingAndDispatch(destString, packet) {
		return
	}

	this.Lock()
	inboundRay := this.packetDispatcher.DispatchToOutbound(v2net.NewPacket(packet.Destination(), packet.Chunk(), true))
	this.conns[destString] = &connEntry{
		inboundRay: inboundRay,
		callback:   callback,
	}
	this.Unlock()
	go this.handleConnection(destString, inboundRay, source, callback)
}
コード例 #16
0
ファイル: freedom_test.go プロジェクト: nenew/v2ray-core
func TestUDPSend(t *testing.T) {
	assert := unit.Assert(t)

	data2Send := "Data to be sent to remote"

	udpServer := &udp.Server{
		Port: 0,
		MsgProcessor: func(data []byte) []byte {
			buffer := make([]byte, 0, 2048)
			buffer = append(buffer, []byte("Processed: ")...)
			buffer = append(buffer, data...)
			return buffer
		},
	}

	udpServerAddr, err := udpServer.Start()
	assert.Error(err).IsNil()

	ich := &mocks.InboundConnectionHandler{
		Data2Send:    []byte("Not Used"),
		DataReturned: bytes.NewBuffer(make([]byte, 0, 1024)),
	}

	core.RegisterInboundConnectionHandlerFactory("mock_ich", ich)

	pointPort := uint16(38724)
	config := mocks.Config{
		PortValue: pointPort,
		InboundConfigValue: &mocks.ConnectionConfig{
			ProtocolValue: "mock_ich",
			ContentValue:  nil,
		},
		OutboundConfigValue: &mocks.ConnectionConfig{
			ProtocolValue: "freedom",
			ContentValue:  nil,
		},
	}

	point, err := core.NewPoint(&config)
	assert.Error(err).IsNil()

	err = point.Start()
	assert.Error(err).IsNil()

	dest := v2net.NewUDPDestination(udpServerAddr)
	ich.Communicate(v2net.NewPacket(dest, []byte(data2Send), false))
	assert.Bytes(ich.DataReturned.Bytes()).Equals([]byte("Processed: Data to be sent to remote"))
}
コード例 #17
0
ファイル: udp.go プロジェクト: yorkzhy/v2ray-core
func (this *SocksServer) handleUDPPayload(payload *alloc.Buffer, source v2net.Destination) {
	log.Info("Socks: Client UDP connection from ", source)
	request, err := protocol.ReadUDPRequest(payload.Value)
	payload.Release()

	if err != nil {
		log.Error("Socks: Failed to parse UDP request: ", err)
		return
	}
	if request.Data.Len() == 0 {
		request.Data.Release()
		return
	}
	if request.Fragment != 0 {
		log.Warning("Socks: Dropping fragmented UDP packets.")
		// TODO handle fragments
		request.Data.Release()
		return
	}

	udpPacket := v2net.NewPacket(request.Destination(), request.Data, false)
	log.Info("Socks: Send packet to ", udpPacket.Destination(), " with ", request.Data.Len(), " bytes")
	this.udpServer.Dispatch(source, udpPacket, func(packet v2net.Packet) {
		response := &protocol.Socks5UDPRequest{
			Fragment: 0,
			Address:  udpPacket.Destination().Address(),
			Port:     udpPacket.Destination().Port(),
			Data:     packet.Chunk(),
		}
		log.Info("Socks: Writing back UDP response with ", response.Data.Len(), " bytes to ", packet.Destination())

		udpMessage := alloc.NewSmallBuffer().Clear()
		response.Write(udpMessage)

		this.udpMutex.RLock()
		if !this.accepting {
			this.udpMutex.RUnlock()
			return
		}
		nBytes, err := this.udpHub.WriteTo(udpMessage.Value, packet.Destination())
		this.udpMutex.RUnlock()
		udpMessage.Release()
		response.Data.Release()
		if err != nil {
			log.Error("Socks: failed to write UDP message (", nBytes, " bytes) to ", packet.Destination(), ": ", err)
		}
	})
}
コード例 #18
0
ファイル: dokodemo.go プロジェクト: earthGavinLee/v2ray-core
func (this *DokodemoDoor) HandleTCPConnection(conn *hub.TCPConn) {
	defer conn.Close()

	packet := v2net.NewPacket(v2net.TCPDestination(this.address, this.port), nil, true)
	ray := this.packetDispatcher.DispatchToOutbound(packet)

	var inputFinish, outputFinish sync.Mutex
	inputFinish.Lock()
	outputFinish.Lock()

	reader := v2net.NewTimeOutReader(this.config.Timeout, conn)
	go dumpInput(reader, ray.InboundInput(), &inputFinish)
	go dumpOutput(conn, ray.InboundOutput(), &outputFinish)

	outputFinish.Lock()
}
コード例 #19
0
ファイル: dokodemo.go プロジェクト: ben0x007/v2ray-core
func (this *DokodemoDoor) handleUDPPackets(payload *alloc.Buffer, dest v2net.Destination) {
	packet := v2net.NewPacket(v2net.UDPDestination(this.address, this.port), payload, false)
	ray := this.packetDispatcher.DispatchToOutbound(packet)
	close(ray.InboundInput())

	for resp := range ray.InboundOutput() {
		this.udpMutex.RLock()
		if !this.accepting {
			this.udpMutex.RUnlock()
			resp.Release()
			return
		}
		this.udpHub.WriteTo(resp.Value, dest)
		this.udpMutex.RUnlock()
		resp.Release()
	}
}
コード例 #20
0
ファイル: vmessin_udp.go プロジェクト: kennshi/v2ray-core
func (handler *VMessInboundHandler) AcceptPackets(conn *net.UDPConn) {
	for {
		buffer := alloc.NewBuffer()
		nBytes, addr, err := conn.ReadFromUDP(buffer.Value)
		if err != nil {
			log.Error("VMessIn failed to read UDP packets: %v", err)
			buffer.Release()
			continue
		}

		reader := bytes.NewReader(buffer.Value[:nBytes])
		requestReader := protocol.NewVMessRequestReader(handler.clients)

		request, err := requestReader.Read(reader)
		if err != nil {
			log.Access(addr.String(), "", log.AccessRejected, err.Error())
			log.Warning("VMessIn: Invalid request from (%s): %v", addr.String(), err)
			buffer.Release()
			continue
		}
		log.Access(addr.String(), request.Address.String(), log.AccessAccepted, "")

		cryptReader, err := v2io.NewAesDecryptReader(request.RequestKey, request.RequestIV, reader)
		if err != nil {
			log.Error("VMessIn: Failed to create decrypt reader: %v", err)
			buffer.Release()
			continue
		}

		data := alloc.NewBuffer()
		nBytes, err = cryptReader.Read(data.Value)
		buffer.Release()
		if err != nil {
			log.Warning("VMessIn: Unable to decrypt data: %v", err)
			data.Release()
			continue
		}
		data.Slice(0, nBytes)

		packet := v2net.NewPacket(request.Destination(), data, false)
		go handler.handlePacket(conn, request, packet, addr)
	}
}
コード例 #21
0
ファイル: point.go プロジェクト: JohnTsaiAndroid/v2ray-core
func (this *Point) FilterPacketAndDispatch(packet v2net.Packet, link ray.OutboundRay, dispatcher proxy.OutboundConnectionHandler) {
	// Filter empty packets
	chunk := packet.Chunk()
	moreChunks := packet.MoreChunks()
	changed := false
	for chunk == nil && moreChunks {
		changed = true
		chunk, moreChunks = <-link.OutboundInput()
	}
	if chunk == nil && !moreChunks {
		close(link.OutboundOutput())
		return
	}

	if changed {
		packet = v2net.NewPacket(packet.Destination(), chunk, moreChunks)
	}

	dispatcher.Dispatch(packet, link)
}
コード例 #22
0
ファイル: dokodemo.go プロジェクト: hackiechain/v2ray-core
func (this *DokodemoDoor) handleUDPPackets(udpConn *net.UDPConn) {
	defer udpConn.Close()
	for this.accepting {
		buffer := alloc.NewBuffer()
		nBytes, addr, err := udpConn.ReadFromUDP(buffer.Value)
		buffer.Slice(0, nBytes)
		if err != nil {
			buffer.Release()
			log.Error("Dokodemo failed to read from UDP: %v", err)
			return
		}

		packet := v2net.NewPacket(v2net.NewUDPDestination(this.address), buffer, false)
		ray := this.dispatcher.DispatchToOutbound(packet)
		close(ray.InboundInput())

		for payload := range ray.InboundOutput() {
			udpConn.WriteToUDP(payload.Value, addr)
		}
	}
}
コード例 #23
0
ファイル: http.go プロジェクト: ben0x007/v2ray-core
func (this *HttpProxyServer) handleConnect(request *http.Request, destination v2net.Destination, reader io.Reader, writer io.Writer) {
	response := &http.Response{
		Status:        "200 OK",
		StatusCode:    200,
		Proto:         "HTTP/1.1",
		ProtoMajor:    1,
		ProtoMinor:    1,
		Header:        http.Header(make(map[string][]string)),
		Body:          nil,
		ContentLength: 0,
		Close:         false,
	}

	buffer := alloc.NewSmallBuffer().Clear()
	response.Write(buffer)
	writer.Write(buffer.Value)
	buffer.Release()

	packet := v2net.NewPacket(destination, nil, true)
	ray := this.packetDispatcher.DispatchToOutbound(packet)
	this.transport(reader, writer, ray)
}
コード例 #24
0
ファイル: udp.go プロジェクト: nenew/v2ray-core
func (server *SocksServer) AcceptPackets(conn *net.UDPConn) error {
	for {
		buffer := make([]byte, bufferSize)
		nBytes, addr, err := conn.ReadFromUDP(buffer)
		if err != nil {
			log.Error("Socks failed to read UDP packets: %v", err)
			return err
		}
		request, err := protocol.ReadUDPRequest(buffer[:nBytes])
		if err != nil {
			log.Error("Socks failed to parse UDP request: %v", err)
			return err
		}
		if request.Fragment != 0 {
			// TODO handle fragments
			continue
		}

		udpPacket := v2net.NewPacket(request.Destination(), request.Data, false)
		go server.handlePacket(conn, udpPacket, addr)
	}
}
コード例 #25
0
ファイル: socks.go プロジェクト: ben0x007/v2ray-core
func (this *SocksServer) handleSocks4(reader io.Reader, writer io.Writer, auth protocol.Socks4AuthenticationRequest) error {
	result := protocol.Socks4RequestGranted
	if auth.Command == protocol.CmdBind {
		result = protocol.Socks4RequestRejected
	}
	socks4Response := protocol.NewSocks4AuthenticationResponse(result, auth.Port, auth.IP[:])

	responseBuffer := alloc.NewSmallBuffer().Clear()
	socks4Response.Write(responseBuffer)
	writer.Write(responseBuffer.Value)
	responseBuffer.Release()

	if result == protocol.Socks4RequestRejected {
		log.Warning("Socks: Unsupported socks 4 command ", auth.Command)
		return ErrorUnsupportedSocksCommand
	}

	dest := v2net.TCPDestination(v2net.IPAddress(auth.IP[:]), auth.Port)
	packet := v2net.NewPacket(dest, nil, true)
	this.transport(reader, writer, packet)
	return nil
}
コード例 #26
0
ファイル: socks.go プロジェクト: iusky/v2ray-core
func (server *SocksServer) handleSocks4(reader io.Reader, writer io.Writer, auth protocol.Socks4AuthenticationRequest) error {
	result := protocol.Socks4RequestGranted
	if auth.Command == protocol.CmdBind {
		result = protocol.Socks4RequestRejected
	}
	socks4Response := protocol.NewSocks4AuthenticationResponse(result, auth.Port, auth.IP[:])
	writer.Write(socks4Response.ToBytes(nil))

	if result == protocol.Socks4RequestRejected {
		return errors.NewInvalidOperationError("Socks4 command " + strconv.Itoa(int(auth.Command)))
	}

	dest := v2net.NewTCPDestination(v2net.IPAddress(auth.IP[:], auth.Port))
	data, err := v2net.ReadFrom(reader)
	if err != nil {
		return err
	}

	packet := v2net.NewPacket(dest, data, true)
	server.transport(reader, writer, packet)
	return nil
}
コード例 #27
0
ファイル: socks.go プロジェクト: wangyou/v2ray-core
func (this *SocksServer) handleSocks4(reader *v2io.BufferedReader, writer *v2io.BufferedWriter, auth protocol.Socks4AuthenticationRequest) error {
	result := protocol.Socks4RequestGranted
	if auth.Command == protocol.CmdBind {
		result = protocol.Socks4RequestRejected
	}
	socks4Response := protocol.NewSocks4AuthenticationResponse(result, auth.Port, auth.IP[:])

	socks4Response.Write(writer)

	if result == protocol.Socks4RequestRejected {
		log.Warning("Socks: Unsupported socks 4 command ", auth.Command)
		return ErrorUnsupportedSocksCommand
	}

	reader.SetCached(false)
	writer.SetCached(false)

	dest := v2net.TCPDestination(v2net.IPAddress(auth.IP[:]), auth.Port)
	packet := v2net.NewPacket(dest, nil, true)
	this.transport(reader, writer, packet)
	return nil
}
コード例 #28
0
ファイル: udp.go プロジェクト: ibmendoza/v2ray-core
func (this *SocksServer) AcceptPackets() error {
	for this.accepting {
		buffer := alloc.NewBuffer()
		this.udpMutex.RLock()
		if !this.accepting {
			this.udpMutex.RUnlock()
			return nil
		}
		nBytes, addr, err := this.udpConn.ReadFromUDP(buffer.Value)
		this.udpMutex.RUnlock()
		if err != nil {
			log.Error("Socks: failed to read UDP packets: ", err)
			buffer.Release()
			continue
		}
		log.Info("Socks: Client UDP connection from ", addr)
		request, err := protocol.ReadUDPRequest(buffer.Value[:nBytes])
		buffer.Release()
		if err != nil {
			log.Error("Socks: failed to parse UDP request: ", err)
			continue
		}
		if request.Data == nil || request.Data.Len() == 0 {
			continue
		}
		if request.Fragment != 0 {
			log.Warning("Socks: Dropping fragmented UDP packets.")
			// TODO handle fragments
			request.Data.Release()
			continue
		}

		udpPacket := v2net.NewPacket(request.Destination(), request.Data, false)
		log.Info("Socks: Send packet to ", udpPacket.Destination(), " with ", request.Data.Len(), " bytes")
		go this.handlePacket(udpPacket, addr, request.Address, request.Port)
	}
	return nil
}
コード例 #29
0
ファイル: socks.go プロジェクト: kennshi/v2ray-core
func (server *SocksServer) handleSocks5(reader *v2net.TimeOutReader, writer io.Writer, auth protocol.Socks5AuthenticationRequest) error {
	expectedAuthMethod := protocol.AuthNotRequired
	if server.config.IsPassword() {
		expectedAuthMethod = protocol.AuthUserPass
	}

	if !auth.HasAuthMethod(expectedAuthMethod) {
		authResponse := protocol.NewAuthenticationResponse(protocol.AuthNoMatchingMethod)
		err := protocol.WriteAuthentication(writer, authResponse)
		if err != nil {
			log.Error("Socks failed to write authentication: %v", err)
			return err
		}
		log.Warning("Socks client doesn't support allowed any auth methods.")
		return UnsupportedAuthMethod
	}

	authResponse := protocol.NewAuthenticationResponse(expectedAuthMethod)
	err := protocol.WriteAuthentication(writer, authResponse)
	if err != nil {
		log.Error("Socks failed to write authentication: %v", err)
		return err
	}
	if server.config.IsPassword() {
		upRequest, err := protocol.ReadUserPassRequest(reader)
		if err != nil {
			log.Error("Socks failed to read username and password: %v", err)
			return err
		}
		status := byte(0)
		if !server.config.HasAccount(upRequest.Username(), upRequest.Password()) {
			status = byte(0xFF)
		}
		upResponse := protocol.NewSocks5UserPassResponse(status)
		err = protocol.WriteUserPassResponse(writer, upResponse)
		if err != nil {
			log.Error("Socks failed to write user pass response: %v", err)
			return err
		}
		if status != byte(0) {
			log.Warning("Invalid user account: %s", upRequest.AuthDetail())
			return proxyerrors.InvalidAuthentication
		}
	}

	request, err := protocol.ReadRequest(reader)
	if err != nil {
		log.Error("Socks failed to read request: %v", err)
		return err
	}

	if request.Command == protocol.CmdUdpAssociate && server.config.UDPEnabled {
		return server.handleUDP(reader, writer)
	}

	if request.Command == protocol.CmdBind || request.Command == protocol.CmdUdpAssociate {
		response := protocol.NewSocks5Response()
		response.Error = protocol.ErrorCommandNotSupported

		responseBuffer := alloc.NewSmallBuffer().Clear()
		response.Write(responseBuffer)
		_, err = writer.Write(responseBuffer.Value)
		responseBuffer.Release()
		if err != nil {
			log.Error("Socks failed to write response: %v", err)
			return err
		}
		log.Warning("Unsupported socks command %d", request.Command)
		return UnsupportedSocksCommand
	}

	response := protocol.NewSocks5Response()
	response.Error = protocol.ErrorSuccess

	// Some SOCKS software requires a value other than dest. Let's fake one:
	response.Port = uint16(1717)
	response.AddrType = protocol.AddrTypeIPv4
	response.IPv4[0] = 0
	response.IPv4[1] = 0
	response.IPv4[2] = 0
	response.IPv4[3] = 0

	responseBuffer := alloc.NewSmallBuffer().Clear()
	response.Write(responseBuffer)
	_, err = writer.Write(responseBuffer.Value)
	responseBuffer.Release()
	if err != nil {
		log.Error("Socks failed to write response: %v", err)
		return err
	}

	dest := request.Destination()
	data, err := v2net.ReadFrom(reader, nil)
	if err != nil {
		return err
	}

	packet := v2net.NewPacket(dest, data, true)
	server.transport(reader, writer, packet)
	return nil
}
コード例 #30
0
ファイル: vmess_test.go プロジェクト: airmao/v2ray-core
func TestVMessInAndOut(t *testing.T) {
	v2testing.Current(t)

	id, err := uuid.ParseString("ad937d9d-6e23-4a5a-ba23-bce5092a7c51")
	assert.Error(err).IsNil()

	testAccount := vmess.NewID(id)

	portA := v2nettesting.PickPort()
	portB := v2nettesting.PickPort()

	ichConnInput := []byte("The data to be send to outbound server.")
	ichConnOutput := bytes.NewBuffer(make([]byte, 0, 1024))
	ich := &proxymocks.InboundConnectionHandler{
		ConnInput:  bytes.NewReader(ichConnInput),
		ConnOutput: ichConnOutput,
	}

	protocol, err := proxytesting.RegisterInboundConnectionHandlerCreator("mock_och", func(space app.Space, config interface{}) (proxy.InboundHandler, error) {
		ich.Space = space
		return ich, nil
	})
	assert.Error(err).IsNil()

	configA := &point.Config{
		Port: portA,
		InboundConfig: &point.ConnectionConfig{
			Protocol: protocol,
			Settings: nil,
		},
		OutboundConfig: &point.ConnectionConfig{
			Protocol: "vmess",
			Settings: []byte(`{
        "vnext": [
          {
            "address": "127.0.0.1",
            "port": ` + portB.String() + `,
            "users": [
              {"id": "` + testAccount.String() + `"}
            ]
          }
        ]
      }`),
		},
	}

	pointA, err := point.NewPoint(configA)
	assert.Error(err).IsNil()

	err = pointA.Start()
	assert.Error(err).IsNil()

	ochConnInput := []byte("The data to be returned to inbound server.")
	ochConnOutput := bytes.NewBuffer(make([]byte, 0, 1024))
	och := &proxymocks.OutboundConnectionHandler{
		ConnInput:  bytes.NewReader(ochConnInput),
		ConnOutput: ochConnOutput,
	}

	protocol, err = proxytesting.RegisterOutboundConnectionHandlerCreator("mock_och", func(space app.Space, config interface{}) (proxy.OutboundHandler, error) {
		return och, nil
	})
	assert.Error(err).IsNil()

	configB := &point.Config{
		Port: portB,
		InboundConfig: &point.ConnectionConfig{
			Protocol: "vmess",
			Settings: []byte(`{
        "clients": [
          {"id": "` + testAccount.String() + `"}
        ]
      }`),
		},
		OutboundConfig: &point.ConnectionConfig{
			Protocol: protocol,
			Settings: nil,
		},
	}

	pointB, err := point.NewPoint(configB)
	assert.Error(err).IsNil()

	err = pointB.Start()
	assert.Error(err).IsNil()

	dest := v2net.TCPDestination(v2net.IPAddress([]byte{1, 2, 3, 4}), 80)
	ich.Communicate(v2net.NewPacket(dest, nil, true))
	assert.Bytes(ichConnInput).Equals(ochConnOutput.Bytes())
	assert.Bytes(ichConnOutput.Bytes()).Equals(ochConnInput)
}