Transport: Remove DomainSocket (#3757)

https://github.com/XTLS/Xray-core/pull/3755#issuecomment-2325533003

infra/conf/transport.go

@@ -12,7 +12,6 @@ type TransportConfig struct {
 	KCPConfig         *KCPConfig          `json:"kcpSettings"`
 	WSConfig          *WebSocketConfig    `json:"wsSettings"`
 	HTTPConfig        *HTTPConfig         `json:"httpSettings"`
-	DSConfig          *DomainSocketConfig `json:"dsSettings"`
 	GRPCConfig        *GRPCConfig         `json:"grpcSettings"`
 	GUNConfig         *GRPCConfig         `json:"gunSettings"`
 	HTTPUPGRADEConfig *HttpUpgradeConfig  `json:"httpupgradeSettings"`
@@ -67,17 +66,6 @@ func (c *TransportConfig) Build() (*global.Config, error) {
 		})
 	}
 
-	if c.DSConfig != nil {
-		ds, err := c.DSConfig.Build()
-		if err != nil {
-			return nil, errors.New("Failed to build DomainSocket config.").Base(err)
-		}
-		config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
-			ProtocolName: "domainsocket",
-			Settings:     serial.ToTypedMessage(ds),
-		})
-	}
-
 	if c.GRPCConfig == nil {
 		c.GRPCConfig = c.GUNConfig
 	}

infra/conf/transport_internet.go

@@ -16,7 +16,6 @@ import (
 	"github.com/xtls/xray-core/common/platform/filesystem"
 	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/transport/internet"
-	"github.com/xtls/xray-core/transport/internet/domainsocket"
 	httpheader "github.com/xtls/xray-core/transport/internet/headers/http"
 	"github.com/xtls/xray-core/transport/internet/http"
 	"github.com/xtls/xray-core/transport/internet/httpupgrade"
@@ -313,21 +312,6 @@ func (c *HTTPConfig) Build() (proto.Message, error) {
 	return config, nil
 }
 
-type DomainSocketConfig struct {
-	Path     string `json:"path"`
-	Abstract bool   `json:"abstract"`
-	Padding  bool   `json:"padding"`
-}
-
-// Build implements Buildable.
-func (c *DomainSocketConfig) Build() (proto.Message, error) {
-	return &domainsocket.Config{
-		Path:     c.Path,
-		Abstract: c.Abstract,
-		Padding:  c.Padding,
-	}, nil
-}
-
 func readFileOrString(f string, s []string) ([]byte, error) {
 	if len(f) > 0 {
 		return filesystem.ReadFile(f)
@@ -646,8 +630,6 @@ func (p TransportProtocol) Build() (string, error) {
 		return "websocket", nil
 	case "h2", "http":
 		return "http", nil
-	case "ds", "domainsocket":
-		return "domainsocket", nil
 	case "grpc", "gun":
 		return "grpc", nil
 	case "httpupgrade":
@@ -783,7 +765,6 @@ type StreamConfig struct {
 	KCPSettings         *KCPConfig          `json:"kcpSettings"`
 	WSSettings          *WebSocketConfig    `json:"wsSettings"`
 	HTTPSettings        *HTTPConfig         `json:"httpSettings"`
-	DSSettings          *DomainSocketConfig `json:"dsSettings"`
 	SocketSettings      *SocketConfig       `json:"sockopt"`
 	GRPCConfig          *GRPCConfig         `json:"grpcSettings"`
 	GUNConfig           *GRPCConfig         `json:"gunSettings"`
@@ -818,8 +799,8 @@ func (c *StreamConfig) Build() (*internet.StreamConfig, error) {
 		config.SecuritySettings = append(config.SecuritySettings, tm)
 		config.SecurityType = tm.Type
 	case "reality":
-		if config.ProtocolName != "tcp" && config.ProtocolName != "http" && config.ProtocolName != "grpc" && config.ProtocolName != "domainsocket" {
+		if config.ProtocolName != "tcp" && config.ProtocolName != "http" && config.ProtocolName != "grpc" {
-			return nil, errors.New("REALITY only supports TCP, H2, gRPC and DomainSocket for now.")
+			return nil, errors.New("REALITY only supports TCP, H2 and gRPC for now.")
 		}
 		if c.REALITYSettings == nil {
 			return nil, errors.New(`REALITY: Empty "realitySettings".`)
@@ -876,16 +857,6 @@ func (c *StreamConfig) Build() (*internet.StreamConfig, error) {
 			Settings:     serial.ToTypedMessage(ts),
 		})
 	}
-	if c.DSSettings != nil {
-		ds, err := c.DSSettings.Build()
-		if err != nil {
-			return nil, errors.New("Failed to build DomainSocket config.").Base(err)
-		}
-		config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
-			ProtocolName: "domainsocket",
-			Settings:     serial.ToTypedMessage(ds),
-		})
-	}
 	if c.GRPCConfig == nil {
 		c.GRPCConfig = c.GUNConfig
 	}

infra/conf/xray.go

@@ -553,9 +553,6 @@ func applyTransportConfig(s *StreamConfig, t *TransportConfig) {
 	if s.HTTPSettings == nil {
 		s.HTTPSettings = t.HTTPConfig
 	}
-	if s.DSSettings == nil {
-		s.DSSettings = t.DSConfig
-	}
 	if s.HTTPUPGRADESettings == nil {
 		s.HTTPUPGRADESettings = t.HTTPUPGRADEConfig
 	}

main/distro/all/all.go

@@ -50,7 +50,6 @@ import (
 	_ "github.com/xtls/xray-core/proxy/wireguard"
 
 	// Transports
-	_ "github.com/xtls/xray-core/transport/internet/domainsocket"
 	_ "github.com/xtls/xray-core/transport/internet/grpc"
 	_ "github.com/xtls/xray-core/transport/internet/http"
 	_ "github.com/xtls/xray-core/transport/internet/httpupgrade"

testing/scenarios/transport_test.go

@@ -1,8 +1,6 @@
 package scenarios
 
 import (
-	"os"
-	"runtime"
 	"testing"
 	"time"
 
@@ -20,7 +18,6 @@ import (
 	"github.com/xtls/xray-core/proxy/vmess/outbound"
 	"github.com/xtls/xray-core/testing/servers/tcp"
 	"github.com/xtls/xray-core/transport/internet"
-	"github.com/xtls/xray-core/transport/internet/domainsocket"
 	"github.com/xtls/xray-core/transport/internet/headers/http"
 	tcptransport "github.com/xtls/xray-core/transport/internet/tcp"
 )
@@ -128,117 +125,3 @@ func TestHTTPConnectionHeader(t *testing.T) {
 		t.Error(err)
 	}
 }
-
-func TestDomainSocket(t *testing.T) {
-	if runtime.GOOS == "windows" || runtime.GOOS == "android" {
-		t.Skip("Not supported on windows or android")
-		return
-	}
-	tcpServer := tcp.Server{
-		MsgProcessor: xor,
-	}
-	dest, err := tcpServer.Start()
-	common.Must(err)
-	defer tcpServer.Close()
-
-	const dsPath = "/tmp/ds_scenario"
-	os.Remove(dsPath)
-
-	userID := protocol.NewID(uuid.New())
-	serverPort := tcp.PickPort()
-	serverConfig := &core.Config{
-		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{
-						Protocol: internet.TransportProtocol_DomainSocket,
-						TransportSettings: []*internet.TransportConfig{
-							{
-								Protocol: internet.TransportProtocol_DomainSocket,
-								Settings: serial.ToTypedMessage(&domainsocket.Config{
-									Path: dsPath,
-								}),
-							},
-						},
-					},
-				}),
-				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{
-		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{
-			{
-				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(),
-									}),
-								},
-							},
-						},
-					},
-				}),
-				SenderSettings: serial.ToTypedMessage(&proxyman.SenderConfig{
-					StreamSettings: &internet.StreamConfig{
-						Protocol: internet.TransportProtocol_DomainSocket,
-						TransportSettings: []*internet.TransportConfig{
-							{
-								Protocol: internet.TransportProtocol_DomainSocket,
-								Settings: serial.ToTypedMessage(&domainsocket.Config{
-									Path: dsPath,
-								}),
-							},
-						},
-					},
-				}),
-			},
-		},
-	}
-
-	servers, err := InitializeServerConfigs(serverConfig, clientConfig)
-	common.Must(err)
-	defer CloseAllServers(servers)
-
-	if err := testTCPConn(clientPort, 1024, time.Second*2)(); err != nil {
-		t.Error(err)
-	}
-}
-

transport/internet/config.go

@@ -42,8 +42,6 @@ func transportProtocolToString(protocol TransportProtocol) string {
 		return "mkcp"
 	case TransportProtocol_WebSocket:
 		return "websocket"
-	case TransportProtocol_DomainSocket:
-		return "domainsocket"
 	case TransportProtocol_HTTPUpgrade:
 		return "httpupgrade"
 	default:

transport/internet/config.pb.go

@@ -24,14 +24,13 @@ const (
 type TransportProtocol int32
 
 const (
-	TransportProtocol_TCP          TransportProtocol = 0
+	TransportProtocol_TCP         TransportProtocol = 0
-	TransportProtocol_UDP          TransportProtocol = 1
+	TransportProtocol_UDP         TransportProtocol = 1
-	TransportProtocol_MKCP         TransportProtocol = 2
+	TransportProtocol_MKCP        TransportProtocol = 2
-	TransportProtocol_WebSocket    TransportProtocol = 3
+	TransportProtocol_WebSocket   TransportProtocol = 3
-	TransportProtocol_HTTP         TransportProtocol = 4
+	TransportProtocol_HTTP        TransportProtocol = 4
-	TransportProtocol_DomainSocket TransportProtocol = 5
+	TransportProtocol_HTTPUpgrade TransportProtocol = 6
-	TransportProtocol_HTTPUpgrade  TransportProtocol = 6
+	TransportProtocol_SplitHTTP   TransportProtocol = 7
-	TransportProtocol_SplitHTTP    TransportProtocol = 7
 )
 
 // Enum value maps for TransportProtocol.
@@ -42,19 +41,17 @@ var (
 		2: "MKCP",
 		3: "WebSocket",
 		4: "HTTP",
-		5: "DomainSocket",
 		6: "HTTPUpgrade",
 		7: "SplitHTTP",
 	}
 	TransportProtocol_value = map[string]int32{
-		"TCP":          0,
+		"TCP":         0,
-		"UDP":          1,
+		"UDP":         1,
-		"MKCP":         2,
+		"MKCP":        2,
-		"WebSocket":    3,
+		"WebSocket":   3,
-		"HTTP":         4,
+		"HTTP":        4,
-		"DomainSocket": 5,
+		"HTTPUpgrade": 6,
-		"HTTPUpgrade":  6,
+		"SplitHTTP":   7,
-		"SplitHTTP":    7,
 	}
 )
 
@@ -821,32 +818,31 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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 }
 
 var (

transport/internet/config.proto

@@ -14,7 +14,6 @@ enum TransportProtocol {
   MKCP = 2;
   WebSocket = 3;
   HTTP = 4;
-  DomainSocket = 5;
   HTTPUpgrade = 6;
   SplitHTTP = 7;
 }

transport/internet/domainsocket/config.go

@@ -1,39 +0,0 @@
-package domainsocket
-
-import (
-	"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/transport/internet"
-)
-
-const (
-	protocolName  = "domainsocket"
-	sizeofSunPath = 108
-)
-
-func (c *Config) GetUnixAddr() (*net.UnixAddr, error) {
-	path := c.Path
-	if path == "" {
-		return nil, errors.New("empty domain socket path")
-	}
-	if c.Abstract && path[0] != '@' {
-		path = "@" + path
-	}
-	if c.Abstract && c.Padding {
-		raw := []byte(path)
-		addr := make([]byte, sizeofSunPath)
-		copy(addr, raw)
-		path = string(addr)
-	}
-	return &net.UnixAddr{
-		Name: path,
-		Net:  "unix",
-	}, nil
-}
-
-func init() {
-	common.Must(internet.RegisterProtocolConfigCreator(protocolName, func() interface{} {
-		return new(Config)
-	}))
-}

transport/internet/domainsocket/config.pb.go

@@ -1,180 +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/domainsocket/config.proto
-
-package domainsocket
-
-import (
-	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
-
-	// Path of the domain socket. This overrides the IP/Port parameter from
-	// upstream caller.
-	Path string `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
-	// Abstract specifies whether to use abstract namespace or not.
-	// Traditionally Unix domain socket is file system based. Abstract domain
-	// socket can be used without acquiring file lock.
-	Abstract bool `protobuf:"varint,2,opt,name=abstract,proto3" json:"abstract,omitempty"`
-	// Some apps, eg. haproxy, use the full length of sockaddr_un.sun_path to
-	// connect(2) or bind(2) when using abstract UDS.
-	Padding bool `protobuf:"varint,3,opt,name=padding,proto3" json:"padding,omitempty"`
-}
-
-func (x *Config) Reset() {
-	*x = Config{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_transport_internet_domainsocket_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_domainsocket_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_domainsocket_config_proto_rawDescGZIP(), []int{0}
-}
-
-func (x *Config) GetPath() string {
-	if x != nil {
-		return x.Path
-	}
-	return ""
-}
-
-func (x *Config) GetAbstract() bool {
-	if x != nil {
-		return x.Abstract
-	}
-	return false
-}
-
-func (x *Config) GetPadding() bool {
-	if x != nil {
-		return x.Padding
-	}
-	return false
-}
-
-var File_transport_internet_domainsocket_config_proto protoreflect.FileDescriptor
-
-var file_transport_internet_domainsocket_config_proto_rawDesc = []byte{
-	0x0a, 0x2c, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65,
-	0x72, 0x6e, 0x65, 0x74, 0x2f, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x73, 0x6f, 0x63, 0x6b, 0x65,
-	0x74, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x24,
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-	0x63, 0x6b, 0x65, 0x74, 0x22, 0x52, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x12,
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-	0x74, 0x68, 0x12, 0x1a, 0x0a, 0x08, 0x61, 0x62, 0x73, 0x74, 0x72, 0x61, 0x63, 0x74, 0x18, 0x02,
-	0x20, 0x01, 0x28, 0x08, 0x52, 0x08, 0x61, 0x62, 0x73, 0x74, 0x72, 0x61, 0x63, 0x74, 0x12, 0x18,
-	0x0a, 0x07, 0x70, 0x61, 0x64, 0x64, 0x69, 0x6e, 0x67, 0x18, 0x03, 0x20, 0x01, 0x28, 0x08, 0x52,
-	0x07, 0x70, 0x61, 0x64, 0x64, 0x69, 0x6e, 0x67, 0x42, 0x8e, 0x01, 0x0a, 0x28, 0x63, 0x6f, 0x6d,
-	0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e,
-	0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x73,
-	0x6f, 0x63, 0x6b, 0x65, 0x74, 0x50, 0x01, 0x5a, 0x39, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e,
-	0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f,
-	0x72, 0x65, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74,
-	0x65, 0x72, 0x6e, 0x65, 0x74, 0x2f, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x73, 0x6f, 0x63, 0x6b,
-	0x65, 0x74, 0xaa, 0x02, 0x24, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70,
-	0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x44, 0x6f, 0x6d,
-	0x61, 0x69, 0x6e, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
-	0x33,
-}
-
-var (
-	file_transport_internet_domainsocket_config_proto_rawDescOnce sync.Once
-	file_transport_internet_domainsocket_config_proto_rawDescData = file_transport_internet_domainsocket_config_proto_rawDesc
-)
-
-func file_transport_internet_domainsocket_config_proto_rawDescGZIP() []byte {
-	file_transport_internet_domainsocket_config_proto_rawDescOnce.Do(func() {
-		file_transport_internet_domainsocket_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_transport_internet_domainsocket_config_proto_rawDescData)
-	})
-	return file_transport_internet_domainsocket_config_proto_rawDescData
-}
-
-var file_transport_internet_domainsocket_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
-var file_transport_internet_domainsocket_config_proto_goTypes = []any{
-	(*Config)(nil), // 0: xray.transport.internet.domainsocket.Config
-}
-var file_transport_internet_domainsocket_config_proto_depIdxs = []int32{
-	0, // [0:0] is the sub-list for method output_type
-	0, // [0:0] is the sub-list for method input_type
-	0, // [0:0] is the sub-list for extension type_name
-	0, // [0:0] is the sub-list for extension extendee
-	0, // [0:0] is the sub-list for field type_name
-}
-
-func init() { file_transport_internet_domainsocket_config_proto_init() }
-func file_transport_internet_domainsocket_config_proto_init() {
-	if File_transport_internet_domainsocket_config_proto != nil {
-		return
-	}
-	if !protoimpl.UnsafeEnabled {
-		file_transport_internet_domainsocket_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_domainsocket_config_proto_rawDesc,
-			NumEnums:      0,
-			NumMessages:   1,
-			NumExtensions: 0,
-			NumServices:   0,
-		},
-		GoTypes:           file_transport_internet_domainsocket_config_proto_goTypes,
-		DependencyIndexes: file_transport_internet_domainsocket_config_proto_depIdxs,
-		MessageInfos:      file_transport_internet_domainsocket_config_proto_msgTypes,
-	}.Build()
-	File_transport_internet_domainsocket_config_proto = out.File
-	file_transport_internet_domainsocket_config_proto_rawDesc = nil
-	file_transport_internet_domainsocket_config_proto_goTypes = nil
-	file_transport_internet_domainsocket_config_proto_depIdxs = nil
-}

transport/internet/domainsocket/config.proto

@@ -1,20 +0,0 @@
-syntax = "proto3";
-
-package xray.transport.internet.domainsocket;
-option csharp_namespace = "Xray.Transport.Internet.DomainSocket";
-option go_package = "github.com/xtls/xray-core/transport/internet/domainsocket";
-option java_package = "com.xray.transport.internet.domainsocket";
-option java_multiple_files = true;
-
-message Config {
-  // Path of the domain socket. This overrides the IP/Port parameter from
-  // upstream caller.
-  string path = 1;
-  // Abstract specifies whether to use abstract namespace or not.
-  // Traditionally Unix domain socket is file system based. Abstract domain
-  // socket can be used without acquiring file lock.
-  bool abstract = 2;
-  // Some apps, eg. haproxy, use the full length of sockaddr_un.sun_path to
-  // connect(2) or bind(2) when using abstract UDS.
-  bool padding = 3;
-}

transport/internet/domainsocket/dial.go

@@ -1,41 +0,0 @@
-//go:build !windows && !wasm
-// +build !windows,!wasm
-
-package domainsocket
-
-import (
-	"context"
-
-	"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/transport/internet"
-	"github.com/xtls/xray-core/transport/internet/reality"
-	"github.com/xtls/xray-core/transport/internet/stat"
-	"github.com/xtls/xray-core/transport/internet/tls"
-)
-
-func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (stat.Connection, error) {
-	settings := streamSettings.ProtocolSettings.(*Config)
-	addr, err := settings.GetUnixAddr()
-	if err != nil {
-		return nil, err
-	}
-
-	conn, err := net.DialUnix("unix", nil, addr)
-	if err != nil {
-		return nil, errors.New("failed to dial unix: ", settings.Path).Base(err).AtWarning()
-	}
-
-	if config := tls.ConfigFromStreamSettings(streamSettings); config != nil {
-		return tls.Client(conn, config.GetTLSConfig(tls.WithDestination(dest))), nil
-	} else if config := reality.ConfigFromStreamSettings(streamSettings); config != nil {
-		return reality.UClient(conn, config, ctx, dest)
-	}
-
-	return conn, nil
-}
-
-func init() {
-	common.Must(internet.RegisterTransportDialer(protocolName, Dial))
-}

transport/internet/domainsocket/errgen.go

@@ -1,3 +0,0 @@
-package domainsocket
-
-//go:generate go run github.com/xtls/xray-core/common/errors/errorgen

transport/internet/domainsocket/listener.go

@@ -1,141 +0,0 @@
-//go:build !windows && !wasm
-// +build !windows,!wasm
-
-package domainsocket
-
-import (
-	"context"
-	gotls "crypto/tls"
-	"os"
-	"strings"
-
-	goreality "github.com/xtls/reality"
-	"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/transport/internet"
-	"github.com/xtls/xray-core/transport/internet/reality"
-	"github.com/xtls/xray-core/transport/internet/stat"
-	"github.com/xtls/xray-core/transport/internet/tls"
-	"golang.org/x/sys/unix"
-)
-
-type Listener struct {
-	addr          *net.UnixAddr
-	ln            net.Listener
-	tlsConfig     *gotls.Config
-	realityConfig *goreality.Config
-	config        *Config
-	addConn       internet.ConnHandler
-	locker        *fileLocker
-}
-
-func Listen(ctx context.Context, address net.Address, port net.Port, streamSettings *internet.MemoryStreamConfig, handler internet.ConnHandler) (internet.Listener, error) {
-	settings := streamSettings.ProtocolSettings.(*Config)
-	addr, err := settings.GetUnixAddr()
-	if err != nil {
-		return nil, err
-	}
-
-	unixListener, err := net.ListenUnix("unix", addr)
-	if err != nil {
-		return nil, errors.New("failed to listen domain socket").Base(err).AtWarning()
-	}
-
-	ln := &Listener{
-		addr:    addr,
-		ln:      unixListener,
-		config:  settings,
-		addConn: handler,
-	}
-
-	if !settings.Abstract {
-		ln.locker = &fileLocker{
-			path: settings.Path + ".lock",
-		}
-		if err := ln.locker.Acquire(); err != nil {
-			unixListener.Close()
-			return nil, err
-		}
-	}
-
-	if config := tls.ConfigFromStreamSettings(streamSettings); config != nil {
-		ln.tlsConfig = config.GetTLSConfig()
-	}
-	if config := reality.ConfigFromStreamSettings(streamSettings); config != nil {
-		ln.realityConfig = config.GetREALITYConfig()
-	}
-
-	go ln.run()
-
-	return ln, nil
-}
-
-func (ln *Listener) Addr() net.Addr {
-	return ln.addr
-}
-
-func (ln *Listener) Close() error {
-	if ln.locker != nil {
-		ln.locker.Release()
-	}
-	return ln.ln.Close()
-}
-
-func (ln *Listener) run() {
-	for {
-		conn, err := ln.ln.Accept()
-		if err != nil {
-			if strings.Contains(err.Error(), "closed") {
-				break
-			}
-			errors.LogWarningInner(context.Background(), err, "failed to accepted raw connections")
-			continue
-		}
-		go func() {
-			if ln.tlsConfig != nil {
-				conn = tls.Server(conn, ln.tlsConfig)
-			} else if ln.realityConfig != nil {
-				if conn, err = reality.Server(conn, ln.realityConfig); err != nil {
-					errors.LogInfo(context.Background(), err.Error())
-					return
-				}
-			}
-			ln.addConn(stat.Connection(conn))
-		}()
-	}
-}
-
-type fileLocker struct {
-	path string
-	file *os.File
-}
-
-func (fl *fileLocker) Acquire() error {
-	f, err := os.Create(fl.path)
-	if err != nil {
-		return err
-	}
-	if err := unix.Flock(int(f.Fd()), unix.LOCK_EX); err != nil {
-		f.Close()
-		return errors.New("failed to lock file: ", fl.path).Base(err)
-	}
-	fl.file = f
-	return nil
-}
-
-func (fl *fileLocker) Release() {
-	if err := unix.Flock(int(fl.file.Fd()), unix.LOCK_UN); err != nil {
-		errors.LogInfoInner(context.Background(), err, "failed to unlock file: ", fl.path)
-	}
-	if err := fl.file.Close(); err != nil {
-		errors.LogInfoInner(context.Background(), err, "failed to close file: ", fl.path)
-	}
-	if err := os.Remove(fl.path); err != nil {
-		errors.LogInfoInner(context.Background(), err, "failed to remove file: ", fl.path)
-	}
-}
-
-func init() {
-	common.Must(internet.RegisterTransportListener(protocolName, Listen))
-}

transport/internet/domainsocket/listener_test.go

@@ -1,94 +0,0 @@
-//go:build !windows && !android
-// +build !windows,!android
-
-package domainsocket_test
-
-import (
-	"context"
-	"runtime"
-	"testing"
-
-	"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"
-	. "github.com/xtls/xray-core/transport/internet/domainsocket"
-	"github.com/xtls/xray-core/transport/internet/stat"
-)
-
-func TestListen(t *testing.T) {
-	ctx := context.Background()
-	streamSettings := &internet.MemoryStreamConfig{
-		ProtocolName: "domainsocket",
-		ProtocolSettings: &Config{
-			Path: "/tmp/ts3",
-		},
-	}
-	listener, err := Listen(ctx, nil, net.Port(0), streamSettings, func(conn stat.Connection) {
-		defer conn.Close()
-
-		b := buf.New()
-		defer b.Release()
-		common.Must2(b.ReadFrom(conn))
-		b.WriteString("Response")
-
-		common.Must2(conn.Write(b.Bytes()))
-	})
-	common.Must(err)
-	defer listener.Close()
-
-	conn, err := Dial(ctx, net.Destination{}, streamSettings)
-	common.Must(err)
-	defer conn.Close()
-
-	common.Must2(conn.Write([]byte("Request")))
-
-	b := buf.New()
-	defer b.Release()
-	common.Must2(b.ReadFrom(conn))
-
-	if b.String() != "RequestResponse" {
-		t.Error("expected response as 'RequestResponse' but got ", b.String())
-	}
-}
-
-func TestListenAbstract(t *testing.T) {
-	if runtime.GOOS != "linux" {
-		return
-	}
-
-	ctx := context.Background()
-	streamSettings := &internet.MemoryStreamConfig{
-		ProtocolName: "domainsocket",
-		ProtocolSettings: &Config{
-			Path:     "/tmp/ts3",
-			Abstract: true,
-		},
-	}
-	listener, err := Listen(ctx, nil, net.Port(0), streamSettings, func(conn stat.Connection) {
-		defer conn.Close()
-
-		b := buf.New()
-		defer b.Release()
-		common.Must2(b.ReadFrom(conn))
-		b.WriteString("Response")
-
-		common.Must2(conn.Write(b.Bytes()))
-	})
-	common.Must(err)
-	defer listener.Close()
-
-	conn, err := Dial(ctx, net.Destination{}, streamSettings)
-	common.Must(err)
-	defer conn.Close()
-
-	common.Must2(conn.Write([]byte("Request")))
-
-	b := buf.New()
-	defer b.Release()
-	common.Must2(b.ReadFrom(conn))
-
-	if b.String() != "RequestResponse" {
-		t.Error("expected response as 'RequestResponse' but got ", b.String())
-	}
-}