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Code Issues Projects Releases Packages Wiki Activity

Transport: Remove QUIC (#3754)

Browse source 
https://github.com/XTLS/Xray-core/pull/3554#issuecomment-2236171077
This commit is contained in:
mmmray 2024-09-03 04:39:44 +02:00 committed by GitHub
parent ab3c00e96b
commit 9a953c070f
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GPG key ID: B5690EEEBB952194
15 changed files with 0 additions and 1348 deletions
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12
infra/conf/transport.go
View file

@ -13,7 +13,6 @@ type TransportConfig struct {
WSConfig *WebSocketConfig `json:"wsSettings"`
HTTPConfig *HTTPConfig `json:"httpSettings"`
DSConfig *DomainSocketConfig `json:"dsSettings"`
QUICConfig *QUICConfig `json:"quicSettings"`
GRPCConfig *GRPCConfig `json:"grpcSettings"`
GUNConfig *GRPCConfig `json:"gunSettings"`
HTTPUPGRADEConfig *HttpUpgradeConfig `json:"httpupgradeSettings"`
@ -79,17 +78,6 @@ func (c *TransportConfig) Build() (*global.Config, error) {
})
}
if c.QUICConfig != nil {
qs, err := c.QUICConfig.Build()
if err != nil {
return nil, errors.New("Failed to build QUIC config.").Base(err)
}
config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
ProtocolName: "quic",
Settings: serial.ToTypedMessage(qs),
})
}
if c.GRPCConfig == nil {
c.GRPCConfig = c.GUNConfig
}

56
infra/conf/transport_internet.go
View file

@ -14,7 +14,6 @@ import (
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/platform/filesystem"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/serial"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/domainsocket"
@ -22,7 +21,6 @@ import (
"github.com/xtls/xray-core/transport/internet/http"
"github.com/xtls/xray-core/transport/internet/httpupgrade"
"github.com/xtls/xray-core/transport/internet/kcp"
"github.com/xtls/xray-core/transport/internet/quic"
"github.com/xtls/xray-core/transport/internet/reality"
"github.com/xtls/xray-core/transport/internet/splithttp"
"github.com/xtls/xray-core/transport/internet/tcp"
@ -315,47 +313,6 @@ func (c *HTTPConfig) Build() (proto.Message, error) {
return config, nil
}
type QUICConfig struct {
Header json.RawMessage `json:"header"`
Security string `json:"security"`
Key string `json:"key"`
}
// Build implements Buildable.
func (c *QUICConfig) Build() (proto.Message, error) {
config := &quic.Config{
Key: c.Key,
}
if len(c.Header) > 0 {
headerConfig, _, err := kcpHeaderLoader.Load(c.Header)
if err != nil {
return nil, errors.New("invalid QUIC header config.").Base(err).AtError()
}
ts, err := headerConfig.(Buildable).Build()
if err != nil {
return nil, errors.New("invalid QUIC header config").Base(err).AtError()
}
config.Header = serial.ToTypedMessage(ts)
}
var st protocol.SecurityType
switch strings.ToLower(c.Security) {
case "aes-128-gcm":
st = protocol.SecurityType_AES128_GCM
case "chacha20-poly1305":
st = protocol.SecurityType_CHACHA20_POLY1305
default:
st = protocol.SecurityType_NONE
}
config.Security = &protocol.SecurityConfig{
Type: st,
}
return config, nil
}
type DomainSocketConfig struct {
Path string `json:"path"`
Abstract bool `json:"abstract"`
@ -691,8 +648,6 @@ func (p TransportProtocol) Build() (string, error) {
return "http", nil
case "ds", "domainsocket":
return "domainsocket", nil
case "quic":
return "quic", nil
case "grpc", "gun":
return "grpc", nil
case "httpupgrade":
@ -829,7 +784,6 @@ type StreamConfig struct {
WSSettings *WebSocketConfig `json:"wsSettings"`
HTTPSettings *HTTPConfig `json:"httpSettings"`
DSSettings *DomainSocketConfig `json:"dsSettings"`
QUICSettings *QUICConfig `json:"quicSettings"`
SocketSettings *SocketConfig `json:"sockopt"`
GRPCConfig *GRPCConfig `json:"grpcSettings"`
GUNConfig *GRPCConfig `json:"gunSettings"`
@ -932,16 +886,6 @@ func (c *StreamConfig) Build() (*internet.StreamConfig, error) {
Settings: serial.ToTypedMessage(ds),
})
}
if c.QUICSettings != nil {
qs, err := c.QUICSettings.Build()
if err != nil {
return nil, errors.New("Failed to build QUIC config").Base(err)
}
config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
ProtocolName: "quic",
Settings: serial.ToTypedMessage(qs),
})
}
if c.GRPCConfig == nil {
c.GRPCConfig = c.GUNConfig
}

19
infra/conf/transport_test.go
View file

@ -4,7 +4,6 @@ import (
"encoding/json"
"testing"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/serial"
. "github.com/xtls/xray-core/infra/conf"
"github.com/xtls/xray-core/transport/global"
@ -12,9 +11,7 @@ import (
"github.com/xtls/xray-core/transport/internet/grpc"
"github.com/xtls/xray-core/transport/internet/headers/http"
"github.com/xtls/xray-core/transport/internet/headers/noop"
"github.com/xtls/xray-core/transport/internet/headers/tls"
"github.com/xtls/xray-core/transport/internet/kcp"
"github.com/xtls/xray-core/transport/internet/quic"
"github.com/xtls/xray-core/transport/internet/tcp"
"github.com/xtls/xray-core/transport/internet/websocket"
"google.golang.org/protobuf/proto"
@ -203,12 +200,6 @@ func TestTransportConfig(t *testing.T) {
"wsSettings": {
"path": "/t"
},
"quicSettings": {
"key": "abcd",
"header": {
"type": "dtls"
}
},
"grpcSettings": {
"serviceName": "name",
"multiMode": true
@ -272,16 +263,6 @@ func TestTransportConfig(t *testing.T) {
Path: "/t",
}),
},
{
ProtocolName: "quic",
Settings: serial.ToTypedMessage(&quic.Config{
Key: "abcd",
Security: &protocol.SecurityConfig{
Type: protocol.SecurityType_NONE,
},
Header: serial.ToTypedMessage(&tls.PacketConfig{}),
}),
},
{
ProtocolName: "grpc",
Settings: serial.ToTypedMessage(&grpc.Config{

1
main/distro/all/all.go
View file

@ -55,7 +55,6 @@ import (
_ "github.com/xtls/xray-core/transport/internet/http"
_ "github.com/xtls/xray-core/transport/internet/httpupgrade"
_ "github.com/xtls/xray-core/transport/internet/kcp"
_ "github.com/xtls/xray-core/transport/internet/quic"
_ "github.com/xtls/xray-core/transport/internet/reality"
_ "github.com/xtls/xray-core/transport/internet/splithttp"
_ "github.com/xtls/xray-core/transport/internet/tcp"

139
testing/scenarios/transport_test.go
View file

@ -6,10 +6,8 @@ import (
"testing"
"time"
"github.com/xtls/xray-core/app/log"
"github.com/xtls/xray-core/app/proxyman"
"github.com/xtls/xray-core/common"
clog "github.com/xtls/xray-core/common/log"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/serial"
@ -21,14 +19,10 @@ import (
"github.com/xtls/xray-core/proxy/vmess/inbound"
"github.com/xtls/xray-core/proxy/vmess/outbound"
"github.com/xtls/xray-core/testing/servers/tcp"
"github.com/xtls/xray-core/testing/servers/udp"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/domainsocket"
"github.com/xtls/xray-core/transport/internet/headers/http"
"github.com/xtls/xray-core/transport/internet/headers/wechat"
"github.com/xtls/xray-core/transport/internet/quic"
tcptransport "github.com/xtls/xray-core/transport/internet/tcp"
"golang.org/x/sync/errgroup"
)
func TestHTTPConnectionHeader(t *testing.T) {
@ -248,136 +242,3 @@ func TestDomainSocket(t *testing.T) {
}
}
func TestVMessQuic(t *testing.T) {
tcpServer := tcp.Server{
MsgProcessor: xor,
}
dest, err := tcpServer.Start()
common.Must(err)
defer tcpServer.Close()
userID := protocol.NewID(uuid.New())
serverPort := udp.PickPort()
serverConfig := &core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&log.Config{
ErrorLogLevel: clog.Severity_Debug,
ErrorLogType: log.LogType_Console,
}),
},
Inbound: []*core.InboundHandlerConfig{
{
ReceiverSettings: serial.ToTypedMessage(&proxyman.ReceiverConfig{
PortList: &net.PortList{Range: []*net.PortRange{net.SinglePortRange(serverPort)}},
Listen: net.NewIPOrDomain(net.LocalHostIP),
StreamSettings: &internet.StreamConfig{
ProtocolName: "quic",
TransportSettings: []*internet.TransportConfig{
{
ProtocolName: "quic",
Settings: serial.ToTypedMessage(&quic.Config{
Header: serial.ToTypedMessage(&wechat.VideoConfig{}),
Security: &protocol.SecurityConfig{
Type: protocol.SecurityType_NONE,
},
}),
},
},
},
}),
ProxySettings: serial.ToTypedMessage(&inbound.Config{
User: []*protocol.User{
{
Account: serial.ToTypedMessage(&vmess.Account{
Id: userID.String(),
}),
},
},
}),
},
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
},
},
}
clientPort := tcp.PickPort()
clientConfig := &core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&log.Config{
ErrorLogLevel: clog.Severity_Debug,
ErrorLogType: log.LogType_Console,
}),
},
Inbound: []*core.InboundHandlerConfig{
{
ReceiverSettings: serial.ToTypedMessage(&proxyman.ReceiverConfig{
PortList: &net.PortList{Range: []*net.PortRange{net.SinglePortRange(clientPort)}},
Listen: net.NewIPOrDomain(net.LocalHostIP),
}),
ProxySettings: serial.ToTypedMessage(&dokodemo.Config{
Address: net.NewIPOrDomain(dest.Address),
Port: uint32(dest.Port),
NetworkList: &net.NetworkList{
Network: []net.Network{net.Network_TCP},
},
}),
},
},
Outbound: []*core.OutboundHandlerConfig{
{
SenderSettings: serial.ToTypedMessage(&proxyman.SenderConfig{
StreamSettings: &internet.StreamConfig{
ProtocolName: "quic",
TransportSettings: []*internet.TransportConfig{
{
ProtocolName: "quic",
Settings: serial.ToTypedMessage(&quic.Config{
Header: serial.ToTypedMessage(&wechat.VideoConfig{}),
Security: &protocol.SecurityConfig{
Type: protocol.SecurityType_NONE,
},
}),
},
},
},
}),
ProxySettings: serial.ToTypedMessage(&outbound.Config{
Receiver: []*protocol.ServerEndpoint{
{
Address: net.NewIPOrDomain(net.LocalHostIP),
Port: uint32(serverPort),
User: []*protocol.User{
{
Account: serial.ToTypedMessage(&vmess.Account{
Id: userID.String(),
SecuritySettings: &protocol.SecurityConfig{
Type: protocol.SecurityType_AES128_GCM,
},
}),
},
},
},
},
}),
},
},
}
servers, err := InitializeServerConfigs(serverConfig, clientConfig)
if err != nil {
t.Fatal("Failed to initialize all servers: ", err.Error())
}
defer CloseAllServers(servers)
var errg errgroup.Group
for i := 0; i < 10; i++ {
errg.Go(testTCPConn(clientPort, 10240*1024, time.Second*40))
}
if err := errg.Wait(); err != nil {
t.Error(err)
}
}

48
transport/internet/quic/config.go
View file

@ -1,48 +0,0 @@
package quic
import (
"crypto/aes"
"crypto/cipher"
"crypto/sha256"
"errors"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/transport/internet"
"golang.org/x/crypto/chacha20poly1305"
)
func getAuth(config *Config) (cipher.AEAD, error) {
security := config.Security.GetSecurityType()
if security == protocol.SecurityType_NONE {
return nil, nil
}
salted := []byte(config.Key + "xray-quic-salt")
key := sha256.Sum256(salted)
if security == protocol.SecurityType_AES128_GCM {
block, err := aes.NewCipher(key[:16])
common.Must(err)
return cipher.NewGCM(block)
}
if security == protocol.SecurityType_CHACHA20_POLY1305 {
return chacha20poly1305.New(key[:])
}
return nil, errors.New("unsupported security type")
}
func getHeader(config *Config) (internet.PacketHeader, error) {
if config.Header == nil {
return nil, nil
}
msg, err := config.Header.GetInstance()
if err != nil {
return nil, err
}
return internet.CreatePacketHeader(msg)
}

184
transport/internet/quic/config.pb.go
View file

@ -1,184 +0,0 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.34.2
// protoc v5.27.0
// source: transport/internet/quic/config.proto
package quic
import (
protocol "github.com/xtls/xray-core/common/protocol"
serial "github.com/xtls/xray-core/common/serial"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
type Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
Security *protocol.SecurityConfig `protobuf:"bytes,2,opt,name=security,proto3" json:"security,omitempty"`
Header *serial.TypedMessage `protobuf:"bytes,3,opt,name=header,proto3" json:"header,omitempty"`
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_transport_internet_quic_config_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Config) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Config) ProtoMessage() {}
func (x *Config) ProtoReflect() protoreflect.Message {
mi := &file_transport_internet_quic_config_proto_msgTypes[0]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Config.ProtoReflect.Descriptor instead.
func (*Config) Descriptor() ([]byte, []int) {
return file_transport_internet_quic_config_proto_rawDescGZIP(), []int{0}
}
func (x *Config) GetKey() string {
if x != nil {
return x.Key
}
return ""
}
func (x *Config) GetSecurity() *protocol.SecurityConfig {
if x != nil {
return x.Security
}
return nil
}
func (x *Config) GetHeader() *serial.TypedMessage {
if x != nil {
return x.Header
}
return nil
}
var File_transport_internet_quic_config_proto protoreflect.FileDescriptor
var file_transport_internet_quic_config_proto_rawDesc = []byte{
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}
var (
file_transport_internet_quic_config_proto_rawDescOnce sync.Once
file_transport_internet_quic_config_proto_rawDescData = file_transport_internet_quic_config_proto_rawDesc
)
func file_transport_internet_quic_config_proto_rawDescGZIP() []byte {
file_transport_internet_quic_config_proto_rawDescOnce.Do(func() {
file_transport_internet_quic_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_transport_internet_quic_config_proto_rawDescData)
})
return file_transport_internet_quic_config_proto_rawDescData
}
var file_transport_internet_quic_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
var file_transport_internet_quic_config_proto_goTypes = []any{
(*Config)(nil), // 0: xray.transport.internet.quic.Config
(*protocol.SecurityConfig)(nil), // 1: xray.common.protocol.SecurityConfig
(*serial.TypedMessage)(nil), // 2: xray.common.serial.TypedMessage
}
var file_transport_internet_quic_config_proto_depIdxs = []int32{
1, // 0: xray.transport.internet.quic.Config.security:type_name -> xray.common.protocol.SecurityConfig
2, // 1: xray.transport.internet.quic.Config.header:type_name -> xray.common.serial.TypedMessage
2, // [2:2] is the sub-list for method output_type
2, // [2:2] is the sub-list for method input_type
2, // [2:2] is the sub-list for extension type_name
2, // [2:2] is the sub-list for extension extendee
0, // [0:2] is the sub-list for field type_name
}
func init() { file_transport_internet_quic_config_proto_init() }
func file_transport_internet_quic_config_proto_init() {
if File_transport_internet_quic_config_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_transport_internet_quic_config_proto_msgTypes[0].Exporter = func(v any, i int) any {
switch v := v.(*Config); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_transport_internet_quic_config_proto_rawDesc,
NumEnums: 0,
NumMessages: 1,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_transport_internet_quic_config_proto_goTypes,
DependencyIndexes: file_transport_internet_quic_config_proto_depIdxs,
MessageInfos: file_transport_internet_quic_config_proto_msgTypes,
}.Build()
File_transport_internet_quic_config_proto = out.File
file_transport_internet_quic_config_proto_rawDesc = nil
file_transport_internet_quic_config_proto_goTypes = nil
file_transport_internet_quic_config_proto_depIdxs = nil
}

16
transport/internet/quic/config.proto
View file

@ -1,16 +0,0 @@
syntax = "proto3";
package xray.transport.internet.quic;
option csharp_namespace = "Xray.Transport.Internet.Quic";
option go_package = "github.com/xtls/xray-core/transport/internet/quic";
option java_package = "com.xray.transport.internet.quic";
option java_multiple_files = true;
import "common/serial/typed_message.proto";
import "common/protocol/headers.proto";
message Config {
string key = 1;
xray.common.protocol.SecurityConfig security = 2;
xray.common.serial.TypedMessage header = 3;
}

198
transport/internet/quic/conn.go
View file

@ -1,198 +0,0 @@
package quic
import (
"crypto/cipher"
"crypto/rand"
"errors"
"syscall"
"time"
"github.com/quic-go/quic-go"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/transport/internet"
)
type sysConn struct {
conn *net.UDPConn
header internet.PacketHeader
auth cipher.AEAD
}
func wrapSysConn(rawConn *net.UDPConn, config *Config) (*sysConn, error) {
header, err := getHeader(config)
if err != nil {
return nil, err
}
auth, err := getAuth(config)
if err != nil {
return nil, err
}
return &sysConn{
conn: rawConn,
header: header,
auth: auth,
}, nil
}
var errInvalidPacket = errors.New("invalid packet")
func (c *sysConn) readFromInternal(p []byte) (int, net.Addr, error) {
buffer := getBuffer()
defer putBuffer(buffer)
nBytes, addr, err := c.conn.ReadFrom(buffer)
if err != nil {
return 0, nil, err
}
payload := buffer[:nBytes]
if c.header != nil {
if len(payload) <= int(c.header.Size()) {
return 0, nil, errInvalidPacket
}
payload = payload[c.header.Size():]
}
if c.auth == nil {
n := copy(p, payload)
return n, addr, nil
}
if len(payload) <= c.auth.NonceSize() {
return 0, nil, errInvalidPacket
}
nonce := payload[:c.auth.NonceSize()]
payload = payload[c.auth.NonceSize():]
p, err = c.auth.Open(p[:0], nonce, payload, nil)
if err != nil {
return 0, nil, errInvalidPacket
}
return len(p), addr, nil
}
func (c *sysConn) ReadFrom(p []byte) (int, net.Addr, error) {
if c.header == nil && c.auth == nil {
return c.conn.ReadFrom(p)
}
for {
n, addr, err := c.readFromInternal(p)
if err != nil && err != errInvalidPacket {
return 0, nil, err
}
if err == nil {
return n, addr, nil
}
}
}
func (c *sysConn) WriteTo(p []byte, addr net.Addr) (int, error) {
if c.header == nil && c.auth == nil {
return c.conn.WriteTo(p, addr)
}
buffer := getBuffer()
defer putBuffer(buffer)
payload := buffer
n := 0
if c.header != nil {
c.header.Serialize(payload)
n = int(c.header.Size())
}
if c.auth == nil {
nBytes := copy(payload[n:], p)
n += nBytes
} else {
nounce := payload[n : n+c.auth.NonceSize()]
common.Must2(rand.Read(nounce))
n += c.auth.NonceSize()
pp := c.auth.Seal(payload[:n], nounce, p, nil)
n = len(pp)
}
return c.conn.WriteTo(payload[:n], addr)
}
func (c *sysConn) Close() error {
return c.conn.Close()
}
func (c *sysConn) LocalAddr() net.Addr {
return c.conn.LocalAddr()
}
func (c *sysConn) SetReadBuffer(bytes int) error {
return c.conn.SetReadBuffer(bytes)
}
func (c *sysConn) SetWriteBuffer(bytes int) error {
return c.conn.SetWriteBuffer(bytes)
}
func (c *sysConn) SetDeadline(t time.Time) error {
return c.conn.SetDeadline(t)
}
func (c *sysConn) SetReadDeadline(t time.Time) error {
return c.conn.SetReadDeadline(t)
}
func (c *sysConn) SetWriteDeadline(t time.Time) error {
return c.conn.SetWriteDeadline(t)
}
func (c *sysConn) SyscallConn() (syscall.RawConn, error) {
return c.conn.SyscallConn()
}
type interConn struct {
stream quic.Stream
local net.Addr
remote net.Addr
}
func (c *interConn) Read(b []byte) (int, error) {
return c.stream.Read(b)
}
func (c *interConn) WriteMultiBuffer(mb buf.MultiBuffer) error {
mb = buf.Compact(mb)
mb, err := buf.WriteMultiBuffer(c, mb)
buf.ReleaseMulti(mb)
return err
}
func (c *interConn) Write(b []byte) (int, error) {
return c.stream.Write(b)
}
func (c *interConn) Close() error {
return c.stream.Close()
}
func (c *interConn) LocalAddr() net.Addr {
return c.local
}
func (c *interConn) RemoteAddr() net.Addr {
return c.remote
}
func (c *interConn) SetDeadline(t time.Time) error {
return c.stream.SetDeadline(t)
}
func (c *interConn) SetReadDeadline(t time.Time) error {
return c.stream.SetReadDeadline(t)
}
func (c *interConn) SetWriteDeadline(t time.Time) error {
return c.stream.SetWriteDeadline(t)
}

236
transport/internet/quic/dialer.go
View file

@ -1,236 +0,0 @@
package quic
import (
"context"
"sync"
"time"
"github.com/quic-go/quic-go"
"github.com/quic-go/quic-go/logging"
"github.com/quic-go/quic-go/qlog"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/task"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/stat"
"github.com/xtls/xray-core/transport/internet/tls"
)
type connectionContext struct {
rawConn *sysConn
conn quic.Connection
}
var errConnectionClosed = errors.New("connection closed")
func (c *connectionContext) openStream(destAddr net.Addr) (*interConn, error) {
if !isActive(c.conn) {
return nil, errConnectionClosed
}
stream, err := c.conn.OpenStream()
if err != nil {
return nil, err
}
conn := &interConn{
stream: stream,
local: c.conn.LocalAddr(),
remote: destAddr,
}
return conn, nil
}
type clientConnections struct {
access sync.Mutex
conns map[net.Destination][]*connectionContext
cleanup *task.Periodic
}
func isActive(s quic.Connection) bool {
select {
case <-s.Context().Done():
return false
default:
return true
}
}
func removeInactiveConnections(conns []*connectionContext) []*connectionContext {
activeConnections := make([]*connectionContext, 0, len(conns))
for i, s := range conns {
if isActive(s.conn) {
activeConnections = append(activeConnections, s)
continue
}
errors.LogInfo(context.Background(), "closing quic connection at index: ", i)
if err := s.conn.CloseWithError(0, ""); err != nil {
errors.LogInfoInner(context.Background(), err, "failed to close connection")
}
if err := s.rawConn.Close(); err != nil {
errors.LogInfoInner(context.Background(), err, "failed to close raw connection")
}
}
if len(activeConnections) < len(conns) {
errors.LogInfo(context.Background(), "active quic connection reduced from ", len(conns), " to ", len(activeConnections))
return activeConnections
}
return conns
}
func (s *clientConnections) cleanConnections() error {
s.access.Lock()
defer s.access.Unlock()
if len(s.conns) == 0 {
return nil
}
newConnMap := make(map[net.Destination][]*connectionContext)
for dest, conns := range s.conns {
conns = removeInactiveConnections(conns)
if len(conns) > 0 {
newConnMap[dest] = conns
}
}
s.conns = newConnMap
return nil
}
func (s *clientConnections) openConnection(ctx context.Context, destAddr net.Addr, config *Config, tlsConfig *tls.Config, sockopt *internet.SocketConfig) (stat.Connection, error) {
s.access.Lock()
defer s.access.Unlock()
if s.conns == nil {
s.conns = make(map[net.Destination][]*connectionContext)
}
dest := net.DestinationFromAddr(destAddr)
var conns []*connectionContext
if s, found := s.conns[dest]; found {
conns = s
}
if len(conns) > 0 {
s := conns[len(conns)-1]
if isActive(s.conn) {
conn, err := s.openStream(destAddr)
if err == nil {
return conn, nil
}
errors.LogInfoInner(ctx, err, "failed to openStream: ")
} else {
errors.LogInfo(ctx, "current quic connection is not active!")
}
}
conns = removeInactiveConnections(conns)
errors.LogInfo(ctx, "dialing quic to ", dest)
rawConn, err := internet.DialSystem(ctx, dest, sockopt)
if err != nil {
return nil, errors.New("failed to dial to dest: ", err).AtWarning().Base(err)
}
quicConfig := &quic.Config{
KeepAlivePeriod: 0,
HandshakeIdleTimeout: time.Second * 8,
MaxIdleTimeout: time.Second * 300,
Tracer: func(ctx context.Context, p logging.Perspective, ci quic.ConnectionID) *logging.ConnectionTracer {
return qlog.NewConnectionTracer(&QlogWriter{connID: ci}, p, ci)
},
}
var udpConn *net.UDPConn
switch conn := rawConn.(type) {
case *net.UDPConn:
udpConn = conn
case *internet.PacketConnWrapper:
udpConn = conn.Conn.(*net.UDPConn)
default:
// TODO: Support sockopt for QUIC
rawConn.Close()
return nil, errors.New("QUIC with sockopt is unsupported").AtWarning()
}
sysConn, err := wrapSysConn(udpConn, config)
if err != nil {
rawConn.Close()
return nil, err
}
tr := quic.Transport{
ConnectionIDLength: 12,
Conn: sysConn,
}
conn, err := tr.Dial(context.Background(), destAddr, tlsConfig.GetTLSConfig(tls.WithDestination(dest)), quicConfig)
if err != nil {
sysConn.Close()
return nil, err
}
context := &connectionContext{
conn: conn,
rawConn: sysConn,
}
s.conns[dest] = append(conns, context)
return context.openStream(destAddr)
}
var client clientConnections
func init() {
client.conns = make(map[net.Destination][]*connectionContext)
client.cleanup = &task.Periodic{
Interval: time.Minute,
Execute: client.cleanConnections,
}
common.Must(client.cleanup.Start())
}
func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (stat.Connection, error) {
tlsConfig := tls.ConfigFromStreamSettings(streamSettings)
if tlsConfig == nil {
tlsConfig = &tls.Config{
ServerName: internalDomain,
AllowInsecure: true,
}
}
var destAddr *net.UDPAddr
if dest.Address.Family().IsIP() {
destAddr = &net.UDPAddr{
IP: dest.Address.IP(),
Port: int(dest.Port),
}
} else {
dialerIp := internet.DestIpAddress()
if dialerIp != nil {
destAddr = &net.UDPAddr{
IP: dialerIp,
Port: int(dest.Port),
}
errors.LogInfo(ctx, "quic Dial use dialer dest addr: ", destAddr)
} else {
addr, err := net.ResolveUDPAddr("udp", dest.NetAddr())
if err != nil {
return nil, err
}
destAddr = addr
}
}
config := streamSettings.ProtocolSettings.(*Config)
return client.openConnection(ctx, destAddr, config, tlsConfig, streamSettings.SocketSettings)
}
func init() {
common.Must(internet.RegisterTransportDialer(protocolName, Dial))
}

146
transport/internet/quic/hub.go
View file

@ -1,146 +0,0 @@
package quic
import (
"context"
"time"
"github.com/quic-go/quic-go"
"github.com/quic-go/quic-go/logging"
"github.com/quic-go/quic-go/qlog"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/protocol/tls/cert"
"github.com/xtls/xray-core/common/signal/done"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/tls"
)
// Listener is an internet.Listener that listens for TCP connections.
type Listener struct {
rawConn *sysConn
listener *quic.Listener
done *done.Instance
addConn internet.ConnHandler
}
func (l *Listener) acceptStreams(conn quic.Connection) {
for {
stream, err := conn.AcceptStream(context.Background())
if err != nil {
errors.LogInfoInner(context.Background(), err, "failed to accept stream")
select {
case <-conn.Context().Done():
return
case <-l.done.Wait():
if err := conn.CloseWithError(0, ""); err != nil {
errors.LogInfoInner(context.Background(), err, "failed to close connection")
}
return
default:
time.Sleep(time.Second)
continue
}
}
conn := &interConn{
stream: stream,
local: conn.LocalAddr(),
remote: conn.RemoteAddr(),
}
l.addConn(conn)
}
}
func (l *Listener) keepAccepting() {
for {
conn, err := l.listener.Accept(context.Background())
if err != nil {
errors.LogInfoInner(context.Background(), err, "failed to accept QUIC connection")
if l.done.Done() {
break
}
time.Sleep(time.Second)
continue
}
go l.acceptStreams(conn)
}
}
// Addr implements internet.Listener.Addr.
func (l *Listener) Addr() net.Addr {
return l.listener.Addr()
}
// Close implements internet.Listener.Close.
func (l *Listener) Close() error {
l.done.Close()
l.listener.Close()
l.rawConn.Close()
return nil
}
// Listen creates a new Listener based on configurations.
func Listen(ctx context.Context, address net.Address, port net.Port, streamSettings *internet.MemoryStreamConfig, handler internet.ConnHandler) (internet.Listener, error) {
if address.Family().IsDomain() {
return nil, errors.New("domain address is not allows for listening quic")
}
tlsConfig := tls.ConfigFromStreamSettings(streamSettings)
if tlsConfig == nil {
tlsConfig = &tls.Config{
Certificate: []*tls.Certificate{tls.ParseCertificate(cert.MustGenerate(nil, cert.DNSNames(internalDomain), cert.CommonName(internalDomain)))},
}
}
config := streamSettings.ProtocolSettings.(*Config)
rawConn, err := internet.ListenSystemPacket(context.Background(), &net.UDPAddr{
IP: address.IP(),
Port: int(port),
}, streamSettings.SocketSettings)
if err != nil {
return nil, err
}
quicConfig := &quic.Config{
KeepAlivePeriod: 0,
HandshakeIdleTimeout: time.Second * 8,
MaxIdleTimeout: time.Second * 300,
MaxIncomingStreams: 32,
MaxIncomingUniStreams: -1,
Tracer: func(ctx context.Context, p logging.Perspective, ci quic.ConnectionID) *logging.ConnectionTracer {
return qlog.NewConnectionTracer(&QlogWriter{connID: ci}, p, ci)
},
}
conn, err := wrapSysConn(rawConn.(*net.UDPConn), config)
if err != nil {
conn.Close()
return nil, err
}
tr := quic.Transport{
ConnectionIDLength: 12,
Conn: conn,
}
qListener, err := tr.Listen(tlsConfig.GetTLSConfig(), quicConfig)
if err != nil {
conn.Close()
return nil, err
}
listener := &Listener{
done: done.New(),
rawConn: conn,
listener: qListener,
addConn: handler,
}
go listener.keepAccepting()
return listener, nil
}
func init() {
common.Must(internet.RegisterTransportListener(protocolName, Listen))
}

21
transport/internet/quic/pool.go
View file

@ -1,21 +0,0 @@
package quic
import (
"sync"
"github.com/xtls/xray-core/common/bytespool"
)
var pool *sync.Pool
func init() {
pool = bytespool.GetPool(2048)
}
func getBuffer() []byte {
return pool.Get().([]byte)
}
func putBuffer(p []byte) {
pool.Put(p)
}

24
transport/internet/quic/qlogWriter.go
View file

@ -1,24 +0,0 @@
package quic
import "github.com/quic-go/quic-go"
type QlogWriter struct {
connID quic.ConnectionID
}
func (w *QlogWriter) Write(b []byte) (int, error) {
// to much log, only turn on when debug Quic
// if len(b) > 1 { // skip line separator "0a" in qlog
// log.Record(&log.GeneralMessage{
// Severity: log.Severity_Debug,
// Content: fmt.Sprintf("[%x] %s", w.connID, b),
// })
// }
return len(b), nil
}
func (w *QlogWriter) Close() error {
// Noop
return nil
}

25
transport/internet/quic/quic.go
View file

@ -1,25 +0,0 @@
package quic
import (
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/transport/internet"
)
//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
// Here is some modification needs to be done before update quic vendor.
// * use bytespool in buffer_pool.go
// * set MaxReceivePacketSize to 1452 - 32 (16 bytes auth, 16 bytes head)
//
//
const (
protocolName = "quic"
internalDomain = "quic.internal.example.com"
)
func init() {
common.Must(internet.RegisterProtocolConfigCreator(protocolName, func() interface{} {
return new(Config)
}))
}

223
transport/internet/quic/quic_test.go
View file

@ -1,223 +0,0 @@
package quic_test
import (
"context"
"crypto/rand"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/protocol/tls/cert"
"github.com/xtls/xray-core/common/serial"
"github.com/xtls/xray-core/testing/servers/udp"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/headers/wireguard"
"github.com/xtls/xray-core/transport/internet/quic"
"github.com/xtls/xray-core/transport/internet/stat"
"github.com/xtls/xray-core/transport/internet/tls"
)
func TestQuicConnection(t *testing.T) {
port := udp.PickPort()
listener, err := quic.Listen(context.Background(), net.LocalHostIP, port, &internet.MemoryStreamConfig{
ProtocolName: "quic",
ProtocolSettings: &quic.Config{},
SecurityType: "tls",
SecuritySettings: &tls.Config{
Certificate: []*tls.Certificate{
tls.ParseCertificate(
cert.MustGenerate(nil,
cert.DNSNames("www.example.com"),
),
),
},
},
}, func(conn stat.Connection) {
go func() {
defer conn.Close()
b := buf.New()
defer b.Release()
for {
b.Clear()
if _, err := b.ReadFrom(conn); err != nil {
return
}
common.Must2(conn.Write(b.Bytes()))
}
}()
})
common.Must(err)
defer listener.Close()
time.Sleep(time.Second)
dctx := context.Background()
conn, err := quic.Dial(dctx, net.TCPDestination(net.LocalHostIP, port), &internet.MemoryStreamConfig{
ProtocolName: "quic",
ProtocolSettings: &quic.Config{},
SecurityType: "tls",
SecuritySettings: &tls.Config{
ServerName: "www.example.com",
AllowInsecure: true,
},
})
common.Must(err)
defer conn.Close()
const N = 1024
b1 := make([]byte, N)
common.Must2(rand.Read(b1))
b2 := buf.New()
common.Must2(conn.Write(b1))
b2.Clear()
common.Must2(b2.ReadFullFrom(conn, N))
if r := cmp.Diff(b2.Bytes(), b1); r != "" {
t.Error(r)
}
common.Must2(conn.Write(b1))
b2.Clear()
common.Must2(b2.ReadFullFrom(conn, N))
if r := cmp.Diff(b2.Bytes(), b1); r != "" {
t.Error(r)
}
}
func TestQuicConnectionWithoutTLS(t *testing.T) {
port := udp.PickPort()
listener, err := quic.Listen(context.Background(), net.LocalHostIP, port, &internet.MemoryStreamConfig{
ProtocolName: "quic",
ProtocolSettings: &quic.Config{},
}, func(conn stat.Connection) {
go func() {
defer conn.Close()
b := buf.New()
defer b.Release()
for {
b.Clear()
if _, err := b.ReadFrom(conn); err != nil {
return
}
common.Must2(conn.Write(b.Bytes()))
}
}()
})
common.Must(err)
defer listener.Close()
time.Sleep(time.Second)
dctx := context.Background()
conn, err := quic.Dial(dctx, net.TCPDestination(net.LocalHostIP, port), &internet.MemoryStreamConfig{
ProtocolName: "quic",
ProtocolSettings: &quic.Config{},
})
common.Must(err)
defer conn.Close()
const N = 1024
b1 := make([]byte, N)
common.Must2(rand.Read(b1))
b2 := buf.New()
common.Must2(conn.Write(b1))
b2.Clear()
common.Must2(b2.ReadFullFrom(conn, N))
if r := cmp.Diff(b2.Bytes(), b1); r != "" {
t.Error(r)
}
common.Must2(conn.Write(b1))
b2.Clear()
common.Must2(b2.ReadFullFrom(conn, N))
if r := cmp.Diff(b2.Bytes(), b1); r != "" {
t.Error(r)
}
}
func TestQuicConnectionAuthHeader(t *testing.T) {
port := udp.PickPort()
listener, err := quic.Listen(context.Background(), net.LocalHostIP, port, &internet.MemoryStreamConfig{
ProtocolName: "quic",
ProtocolSettings: &quic.Config{
Header: serial.ToTypedMessage(&wireguard.WireguardConfig{}),
Key: "abcd",
Security: &protocol.SecurityConfig{
Type: protocol.SecurityType_AES128_GCM,
},
},
}, func(conn stat.Connection) {
go func() {
defer conn.Close()
b := buf.New()
defer b.Release()
for {
b.Clear()
if _, err := b.ReadFrom(conn); err != nil {
return
}
common.Must2(conn.Write(b.Bytes()))
}
}()
})
common.Must(err)
defer listener.Close()
time.Sleep(time.Second)
dctx := context.Background()
conn, err := quic.Dial(dctx, net.TCPDestination(net.LocalHostIP, port), &internet.MemoryStreamConfig{
ProtocolName: "quic",
ProtocolSettings: &quic.Config{
Header: serial.ToTypedMessage(&wireguard.WireguardConfig{}),
Key: "abcd",
Security: &protocol.SecurityConfig{
Type: protocol.SecurityType_AES128_GCM,
},
},
})
common.Must(err)
defer conn.Close()
const N = 1024
b1 := make([]byte, N)
common.Must2(rand.Read(b1))
b2 := buf.New()
common.Must2(conn.Write(b1))
b2.Clear()
common.Must2(b2.ReadFullFrom(conn, N))
if r := cmp.Diff(b2.Bytes(), b1); r != "" {
t.Error(r)
}
common.Must2(conn.Write(b1))
b2.Clear()
common.Must2(b2.ReadFullFrom(conn, N))
if r := cmp.Diff(b2.Bytes(), b1); r != "" {
t.Error(r)
}
}