Merge pull request #1019 from v2ray/domainsocket

Implemented Primitive Domain Socket Support described in https://github.com/v2ray/Planning/issues/25

app/commander/errors.generated.go

@@ -2,6 +2,4 @@ package commander
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("App", "Commander")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("App", "Commander") }

app/dispatcher/errors.generated.go

@@ -2,6 +2,4 @@ package dispatcher
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("App", "Dispatcher")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("App", "Dispatcher") }

app/proxyman/command/errors.generated.go

@@ -2,6 +2,4 @@ package command
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("App", "Proxyman", "Command")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("App", "Proxyman", "Command") }

app/proxyman/config.pb.go

@@ -6,6 +6,8 @@ import math "math"
 import v2ray_core_common_net "v2ray.com/core/common/net"
 import v2ray_core_common_net1 "v2ray.com/core/common/net"
 import v2ray_core_transport_internet "v2ray.com/core/transport/internet"
+import v2ray_core_internet_domainsocket "v2ray.com/core/transport/internet/domainsocket"
+import v2ray_core_common_serial "v2ray.com/core/common/serial"
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -210,13 +212,77 @@ func (m *ReceiverConfig) GetDomainOverride() []KnownProtocols {
 	return nil
 }
 
+type UnixReceiverConfig struct {
+	DomainSockSettings *v2ray_core_internet_domainsocket.DomainSocketSettings `protobuf:"bytes,2,opt,name=domainSockSettings" json:"domainSockSettings,omitempty"`
+	StreamSettings     *v2ray_core_transport_internet.StreamConfig            `protobuf:"bytes,4,opt,name=stream_settings,json=streamSettings" json:"stream_settings,omitempty"`
+	DomainOverride     []KnownProtocols                                       `protobuf:"varint,7,rep,packed,name=domain_override,json=domainOverride,enum=v2ray.core.app.proxyman.KnownProtocols" json:"domain_override,omitempty"`
+}
+
+func (m *UnixReceiverConfig) Reset()                    { *m = UnixReceiverConfig{} }
+func (m *UnixReceiverConfig) String() string            { return proto.CompactTextString(m) }
+func (*UnixReceiverConfig) ProtoMessage()               {}
+func (*UnixReceiverConfig) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} }
+
+func (m *UnixReceiverConfig) GetDomainSockSettings() *v2ray_core_internet_domainsocket.DomainSocketSettings {
+	if m != nil {
+		return m.DomainSockSettings
+	}
+	return nil
+}
+
+func (m *UnixReceiverConfig) GetStreamSettings() *v2ray_core_transport_internet.StreamConfig {
+	if m != nil {
+		return m.StreamSettings
+	}
+	return nil
+}
+
+func (m *UnixReceiverConfig) GetDomainOverride() []KnownProtocols {
+	if m != nil {
+		return m.DomainOverride
+	}
+	return nil
+}
+
+type InboundHandlerConfig struct {
+	Tag              string                                 `protobuf:"bytes,1,opt,name=tag" json:"tag,omitempty"`
+	ReceiverSettings *v2ray_core_common_serial.TypedMessage `protobuf:"bytes,2,opt,name=receiver_settings,json=receiverSettings" json:"receiver_settings,omitempty"`
+	ProxySettings    *v2ray_core_common_serial.TypedMessage `protobuf:"bytes,3,opt,name=proxy_settings,json=proxySettings" json:"proxy_settings,omitempty"`
+}
+
+func (m *InboundHandlerConfig) Reset()                    { *m = InboundHandlerConfig{} }
+func (m *InboundHandlerConfig) String() string            { return proto.CompactTextString(m) }
+func (*InboundHandlerConfig) ProtoMessage()               {}
+func (*InboundHandlerConfig) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{4} }
+
+func (m *InboundHandlerConfig) GetTag() string {
+	if m != nil {
+		return m.Tag
+	}
+	return ""
+}
+
+func (m *InboundHandlerConfig) GetReceiverSettings() *v2ray_core_common_serial.TypedMessage {
+	if m != nil {
+		return m.ReceiverSettings
+	}
+	return nil
+}
+
+func (m *InboundHandlerConfig) GetProxySettings() *v2ray_core_common_serial.TypedMessage {
+	if m != nil {
+		return m.ProxySettings
+	}
+	return nil
+}
+
 type OutboundConfig struct {
 }
 
 func (m *OutboundConfig) Reset()                    { *m = OutboundConfig{} }
 func (m *OutboundConfig) String() string            { return proto.CompactTextString(m) }
 func (*OutboundConfig) ProtoMessage()               {}
-func (*OutboundConfig) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} }
+func (*OutboundConfig) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{5} }
 
 type SenderConfig struct {
 	// Send traffic through the given IP. Only IP is allowed.
@@ -229,7 +295,7 @@ type SenderConfig struct {
 func (m *SenderConfig) Reset()                    { *m = SenderConfig{} }
 func (m *SenderConfig) String() string            { return proto.CompactTextString(m) }
 func (*SenderConfig) ProtoMessage()               {}
-func (*SenderConfig) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{4} }
+func (*SenderConfig) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{6} }
 
 func (m *SenderConfig) GetVia() *v2ray_core_common_net.IPOrDomain {
 	if m != nil {
@@ -259,6 +325,46 @@ func (m *SenderConfig) GetMultiplexSettings() *MultiplexingConfig {
 	return nil
 }
 
+type UnixSenderConfig struct {
+	DomainSockSettings *v2ray_core_internet_domainsocket.DomainSocketSettings `protobuf:"bytes,1,opt,name=domainSockSettings" json:"domainSockSettings,omitempty"`
+	StreamSettings     *v2ray_core_transport_internet.StreamConfig            `protobuf:"bytes,2,opt,name=stream_settings,json=streamSettings" json:"stream_settings,omitempty"`
+	ProxySettings      *v2ray_core_transport_internet.ProxyConfig             `protobuf:"bytes,3,opt,name=proxy_settings,json=proxySettings" json:"proxy_settings,omitempty"`
+	MultiplexSettings  *MultiplexingConfig                                    `protobuf:"bytes,4,opt,name=multiplex_settings,json=multiplexSettings" json:"multiplex_settings,omitempty"`
+}
+
+func (m *UnixSenderConfig) Reset()                    { *m = UnixSenderConfig{} }
+func (m *UnixSenderConfig) String() string            { return proto.CompactTextString(m) }
+func (*UnixSenderConfig) ProtoMessage()               {}
+func (*UnixSenderConfig) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{7} }
+
+func (m *UnixSenderConfig) GetDomainSockSettings() *v2ray_core_internet_domainsocket.DomainSocketSettings {
+	if m != nil {
+		return m.DomainSockSettings
+	}
+	return nil
+}
+
+func (m *UnixSenderConfig) GetStreamSettings() *v2ray_core_transport_internet.StreamConfig {
+	if m != nil {
+		return m.StreamSettings
+	}
+	return nil
+}
+
+func (m *UnixSenderConfig) GetProxySettings() *v2ray_core_transport_internet.ProxyConfig {
+	if m != nil {
+		return m.ProxySettings
+	}
+	return nil
+}
+
+func (m *UnixSenderConfig) GetMultiplexSettings() *MultiplexingConfig {
+	if m != nil {
+		return m.MultiplexSettings
+	}
+	return nil
+}
+
 type MultiplexingConfig struct {
 	// Whether or not Mux is enabled.
 	Enabled bool `protobuf:"varint,1,opt,name=enabled" json:"enabled,omitempty"`
@@ -269,7 +375,7 @@ type MultiplexingConfig struct {
 func (m *MultiplexingConfig) Reset()                    { *m = MultiplexingConfig{} }
 func (m *MultiplexingConfig) String() string            { return proto.CompactTextString(m) }
 func (*MultiplexingConfig) ProtoMessage()               {}
-func (*MultiplexingConfig) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{5} }
+func (*MultiplexingConfig) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{8} }
 
 func (m *MultiplexingConfig) GetEnabled() bool {
 	if m != nil {
@@ -291,8 +397,11 @@ func init() {
 	proto.RegisterType((*AllocationStrategy_AllocationStrategyConcurrency)(nil), "v2ray.core.app.proxyman.AllocationStrategy.AllocationStrategyConcurrency")
 	proto.RegisterType((*AllocationStrategy_AllocationStrategyRefresh)(nil), "v2ray.core.app.proxyman.AllocationStrategy.AllocationStrategyRefresh")
 	proto.RegisterType((*ReceiverConfig)(nil), "v2ray.core.app.proxyman.ReceiverConfig")
+	proto.RegisterType((*UnixReceiverConfig)(nil), "v2ray.core.app.proxyman.UnixReceiverConfig")
+	proto.RegisterType((*InboundHandlerConfig)(nil), "v2ray.core.app.proxyman.InboundHandlerConfig")
 	proto.RegisterType((*OutboundConfig)(nil), "v2ray.core.app.proxyman.OutboundConfig")
 	proto.RegisterType((*SenderConfig)(nil), "v2ray.core.app.proxyman.SenderConfig")
+	proto.RegisterType((*UnixSenderConfig)(nil), "v2ray.core.app.proxyman.UnixSenderConfig")
 	proto.RegisterType((*MultiplexingConfig)(nil), "v2ray.core.app.proxyman.MultiplexingConfig")
 	proto.RegisterEnum("v2ray.core.app.proxyman.KnownProtocols", KnownProtocols_name, KnownProtocols_value)
 	proto.RegisterEnum("v2ray.core.app.proxyman.AllocationStrategy_Type", AllocationStrategy_Type_name, AllocationStrategy_Type_value)
@@ -301,49 +410,60 @@ func init() {
 func init() { proto.RegisterFile("v2ray.com/core/app/proxyman/config.proto", fileDescriptor0) }
 
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+	0xa9, 0x71, 0x86, 0xc3, 0x77, 0x93, 0xe2, 0x88, 0xbe, 0x82, 0x5a, 0xc4, 0x94, 0xa6, 0xdc, 0x16,
+	0xed, 0xc3, 0x2d, 0xe4, 0xe3, 0xe1, 0x99, 0x3c, 0xca, 0xfb, 0x13, 0x5b, 0x02, 0xfa, 0x05, 0xde,
+	0x21, 0x65, 0xbe, 0x13, 0x65, 0x13, 0xb6, 0x35, 0xf9, 0xf4, 0x06, 0x35, 0xc1, 0x88, 0xac, 0x37,
+	0xe6, 0x18, 0xf6, 0x95, 0x96, 0x94, 0xc4, 0x13, 0x45, 0xb5, 0x66, 0x7c, 0xaa, 0x5a, 0xd5, 0x75,
+	0xe5, 0x72, 0x8a, 0xfc, 0x62, 0x8a, 0xfc, 0x51, 0xce, 0x32, 0xfe, 0xe0, 0xa6, 0xd1, 0x18, 0x59,
+	0x09, 0xf4, 0x2d, 0xbc, 0x2f, 0x8d, 0x83, 0x13, 0x21, 0xd9, 0x94, 0x71, 0x12, 0x4d, 0x42, 0xaa,
+	0x34, 0xe3, 0xf9, 0xed, 0xad, 0x9d, 0x8e, 0xd3, 0x6b, 0xe0, 0xb6, 0xc5, 0x9c, 0x59, 0xc8, 0xd1,
+	0x35, 0x02, 0x0d, 0x61, 0xdf, 0xcc, 0xe9, 0x44, 0xcc, 0xa9, 0x94, 0x2c, 0xa4, 0xad, 0x7a, 0xc7,
+	0xed, 0x35, 0x07, 0x8f, 0xb6, 0x66, 0xfc, 0x3d, 0x17, 0x2f, 0xf9, 0x30, 0x1b, 0xcb, 0x40, 0x44,
+	0x0a, 0x37, 0x0d, 0xff, 0xcc, 0xd2, 0x4f, 0xaa, 0x8d, 0x9a, 0x57, 0xef, 0xfe, 0x5e, 0x01, 0xf4,
+	0x13, 0x67, 0x57, 0x2b, 0x05, 0xbe, 0x00, 0x64, 0xe0, 0x23, 0x11, 0x5c, 0x16, 0x69, 0xd8, 0x5a,
+	0x7d, 0xb9, 0x78, 0x63, 0x99, 0xff, 0xe2, 0x16, 0xf1, 0x8f, 0x4a, 0x2e, 0xd5, 0x05, 0x1b, 0x6f,
+	0x50, 0xbc, 0x25, 0xbb, 0x6f, 0xc3, 0x2c, 0xc7, 0xab, 0x9c, 0x54, 0x1b, 0xae, 0x57, 0x3d, 0xa9,
+	0x36, 0x76, 0xbc, 0x9a, 0xb5, 0xef, 0x2f, 0x07, 0x1e, 0xd8, 0x85, 0xf7, 0x9c, 0xf0, 0x30, 0x2a,
+	0x0d, 0xf4, 0xc0, 0xd5, 0x64, 0x9a, 0x8f, 0xc6, 0x5d, 0x9c, 0x1d, 0xd1, 0x08, 0xee, 0xdb, 0xfa,
+	0xca, 0xeb, 0x64, 0x8d, 0xa3, 0x9f, 0x6c, 0xe8, 0x7e, 0xb3, 0x64, 0xf3, 0x6d, 0x17, 0x9e, 0x9a,
+	0x1d, 0x8b, 0xbd, 0x42, 0xa0, 0xcc, 0xf4, 0x14, 0x9a, 0x79, 0x0a, 0xd7, 0x8a, 0xee, 0x8d, 0x14,
+	0xf7, 0x72, 0x76, 0x21, 0xd7, 0xf5, 0xa0, 0x79, 0x36, 0xd3, 0x8b, 0xfb, 0xfb, 0xcf, 0x0a, 0xdc,
+	0x1b, 0x51, 0x1e, 0x96, 0x89, 0x3d, 0x05, 0x77, 0xce, 0x88, 0x9d, 0xf9, 0xff, 0x30, 0xb6, 0x19,
+	0x7a, 0x53, 0x99, 0x2b, 0x6f, 0x5e, 0xe6, 0x1f, 0xb7, 0x24, 0xff, 0xf8, 0x35, 0xa2, 0xc3, 0x8c,
+	0x64, 0x35, 0x97, 0x0d, 0x40, 0x2f, 0x00, 0xc5, 0xb3, 0x48, 0xb3, 0x24, 0xa2, 0x57, 0xaf, 0x6c,
+	0xc9, 0xa5, 0xe6, 0x39, 0x2d, 0x28, 0x8c, 0x4f, 0xad, 0xee, 0xfd, 0x52, 0xa6, 0x34, 0xf7, 0x9f,
+	0x0a, 0x78, 0xd9, 0xa8, 0x2d, 0xd9, 0xb9, 0x79, 0xd0, 0x9c, 0xff, 0x63, 0xd0, 0xde, 0xbe, 0x0a,
+	0x0c, 0x01, 0xad, 0x03, 0x51, 0x0b, 0xea, 0x94, 0x93, 0xf3, 0x88, 0x86, 0xb9, 0xef, 0x0d, 0x5c,
+	0x7c, 0xa2, 0xce, 0xfa, 0xfb, 0x62, 0x6f, 0xe9, 0x51, 0xf0, 0xf8, 0x23, 0x68, 0x2e, 0x6f, 0x0e,
+	0xd4, 0x80, 0xea, 0xf3, 0xf1, 0x78, 0xe8, 0xdd, 0x41, 0x75, 0x70, 0xc7, 0x3f, 0x8c, 0x3c, 0xe7,
+	0xbb, 0x43, 0x78, 0x2f, 0x10, 0xf1, 0xb6, 0xd8, 0x87, 0xce, 0x8b, 0x46, 0x71, 0xfe, 0xad, 0xf2,
+	0xf0, 0xe7, 0x01, 0x26, 0xa9, 0x7f, 0x98, 0xa1, 0x0e, 0x92, 0xc4, 0x38, 0x15, 0x13, 0x7e, 0x5e,
+	0xcb, 0x1f, 0x58, 0x4f, 0xff, 0x0d, 0x00, 0x00, 0xff, 0xff, 0x97, 0xb5, 0xcf, 0xbd, 0x93, 0x0a,
+	0x00, 0x00,
 }

app/proxyman/config.proto

@@ -9,6 +9,8 @@ option java_multiple_files = true;
 import "v2ray.com/core/common/net/address.proto";
 import "v2ray.com/core/common/net/port.proto";
 import "v2ray.com/core/transport/internet/config.proto";
+import "v2ray.com/core/transport/internet/domainsocket/config.proto";
+import "v2ray.com/core/common/serial/typed_message.proto";
 
 message InboundConfig {
 }
@@ -60,8 +62,23 @@ message ReceiverConfig {
   repeated KnownProtocols domain_override = 7;
 }
 
+message UnixReceiverConfig {
+  reserved 1;
+  v2ray.core.internet.domainsocket.DomainSocketSettings domainSockSettings = 2;
+  reserved 3;
+  v2ray.core.transport.internet.StreamConfig stream_settings = 4;
+  reserved 5,6;
+  repeated KnownProtocols domain_override = 7;
+}
+
+message InboundHandlerConfig {
+  string tag = 1;
+  v2ray.core.common.serial.TypedMessage receiver_settings = 2;
+  v2ray.core.common.serial.TypedMessage proxy_settings = 3;
+}
+
 message OutboundConfig {
-  
+
 }
 
 message SenderConfig {
@@ -72,6 +89,14 @@ message SenderConfig {
   MultiplexingConfig multiplex_settings = 4;
 }
 
+
+message UnixSenderConfig {
+  v2ray.core.internet.domainsocket.DomainSocketSettings domainSockSettings = 1;
+  v2ray.core.transport.internet.StreamConfig stream_settings = 2;
+  v2ray.core.transport.internet.ProxyConfig proxy_settings = 3;
+  MultiplexingConfig multiplex_settings = 4;
+}
+
 message MultiplexingConfig {
   // Whether or not Mux is enabled.
   bool enabled = 1;

app/proxyman/errors.generated.go

@@ -2,6 +2,4 @@ package proxyman
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("App", "Proxyman")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("App", "Proxyman") }

app/proxyman/inbound/errors.generated.go

@@ -2,6 +2,4 @@ package inbound
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("App", "Proxyman", "Inbound")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("App", "Proxyman", "Inbound") }

app/proxyman/inbound/inbound.go

@@ -126,15 +126,21 @@ func NewHandler(ctx context.Context, config *core.InboundHandlerConfig) (core.In
 	if err != nil {
 		return nil, err
 	}
-	receiverSettings, ok := rawReceiverSettings.(*proxyman.ReceiverConfig)
-	if !ok {
-		return nil, newError("not a ReceiverConfig").AtError()
-	}
 	proxySettings, err := config.ProxySettings.GetInstance()
 	if err != nil {
 		return nil, err
 	}
 	tag := config.Tag
+
+	receiverSettings, ok := rawReceiverSettings.(*proxyman.ReceiverConfig)
+	if !ok {
+		receiverSettings, ok := rawReceiverSettings.(*proxyman.UnixReceiverConfig)
+		if ok {
+			return NewUnixInboundHandler(ctx, tag, receiverSettings, proxySettings)
+		}
+		return nil, newError("not a ReceiverConfig").AtError()
+	}
+
 	allocStrategy := receiverSettings.AllocationStrategy
 	if allocStrategy == nil || allocStrategy.Type == proxyman.AllocationStrategy_Always {
 		return NewAlwaysOnInboundHandler(ctx, tag, receiverSettings, proxySettings)

app/proxyman/inbound/unix.go

@@ -0,0 +1,100 @@
+package inbound
+
+import (
+	"context"
+
+	"v2ray.com/core/app/proxyman"
+	"v2ray.com/core/app/proxyman/mux"
+	"v2ray.com/core/common"
+	"v2ray.com/core/common/net"
+	"v2ray.com/core/proxy"
+	"v2ray.com/core/transport/internet/domainsocket"
+)
+
+type UnixInboundHandler struct {
+	tag            string
+	listenerHolder *domainsocket.Listener
+	ctx            context.Context
+	path           string
+	proxy          proxy.Inbound
+	mux            *mux.Server
+	additional     *proxyman.UnixReceiverConfig
+}
+
+func (uih *UnixInboundHandler) Start() error {
+	var err error
+	uih.listenerHolder, err = domainsocket.ListenDS(uih.ctx, uih.path)
+	if err != nil {
+		return newError(err).AtError()
+	}
+	err = uih.listenerHolder.LowerUP()
+	if err != nil {
+		return newError(err).AtError()
+	}
+	nchan := make(chan net.Conn, 2)
+	err = uih.listenerHolder.UP(nchan, false)
+	if err != nil {
+		return newError(err).AtError()
+	}
+	go uih.progressTraffic(nchan)
+	return nil
+}
+func (uih *UnixInboundHandler) progressTraffic(rece <-chan net.Conn) {
+
+	for {
+		conn, notclosed := <-rece
+		if !notclosed {
+			return
+		}
+		go func(conn net.Conn) {
+			ctx, cancel := context.WithCancel(uih.ctx)
+			if len(uih.tag) > 0 {
+				ctx = proxy.ContextWithInboundTag(ctx, uih.tag)
+			}
+			if err := uih.proxy.Process(ctx, net.Network_TCP, conn, uih.mux); err != nil {
+				newError("connection ends").Base(err).WriteToLog()
+			}
+			cancel()
+			conn.Close()
+		}(conn)
+	}
+}
+func (uih *UnixInboundHandler) Close() error {
+	if uih.listenerHolder != nil {
+		uih.listenerHolder.Down()
+		return nil
+	}
+	return newError("Called UnixInboundHandler.Close while listenerHolder is nil")
+
+}
+func (uih *UnixInboundHandler) Tag() string {
+	return uih.tag
+}
+
+func (uih *UnixInboundHandler) GetRandomInboundProxy() (interface{}, net.Port, int) {
+	//It makes bo sense to support it
+	return nil, 0, 0
+}
+
+func NewUnixInboundHandler(ctx context.Context, tag string, receiverConfig *proxyman.UnixReceiverConfig, proxyConfig interface{}) (*UnixInboundHandler, error) {
+	rawProxy, err := common.CreateObject(ctx, proxyConfig)
+	if err != nil {
+		return nil, err
+	}
+	p, ok := rawProxy.(proxy.Inbound)
+	if !ok {
+		return nil, newError("not an inbound proxy.")
+	}
+
+	h := &UnixInboundHandler{
+		proxy:      p,
+		mux:        mux.NewServer(ctx),
+		tag:        tag,
+		ctx:        ctx,
+		path:       receiverConfig.DomainSockSettings.GetPath(),
+		additional: receiverConfig,
+	}
+
+	return h, nil
+
+}

app/proxyman/mux/errors.generated.go

@@ -2,6 +2,4 @@ package mux
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("App", "Proxyman", "Mux")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("App", "Proxyman", "Mux") }

app/proxyman/outbound/errors.generated.go

@@ -2,6 +2,4 @@ package outbound
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("App", "Proxyman", "Outbound")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("App", "Proxyman", "Outbound") }

app/proxyman/outbound/handler.go

@@ -21,7 +21,7 @@ type Handler struct {
 	mux             *mux.ClientManager
 }
 
-func NewHandler(ctx context.Context, config *core.OutboundHandlerConfig) (*Handler, error) {
+func NewHandler(ctx context.Context, config *core.OutboundHandlerConfig) (core.OutboundHandler, error) {
 	v := core.MustFromContext(ctx)
 	h := &Handler{
 		config:          config,
@@ -36,6 +36,8 @@ func NewHandler(ctx context.Context, config *core.OutboundHandlerConfig) (*Handl
 		switch s := senderSettings.(type) {
 		case *proxyman.SenderConfig:
 			h.senderSettings = s
+		case *proxyman.UnixSenderConfig:
+			return NewUnixHandler(ctx, config)
 		default:
 			return nil, newError("settings is not SenderConfig")
 		}

app/proxyman/outbound/unix.go

@@ -0,0 +1,132 @@
+package outbound
+
+import (
+	"context"
+	"io"
+
+	"v2ray.com/core"
+	"v2ray.com/core/app/proxyman"
+	"v2ray.com/core/app/proxyman/mux"
+	"v2ray.com/core/common"
+	"v2ray.com/core/common/errors"
+	"v2ray.com/core/common/net"
+	"v2ray.com/core/proxy"
+	"v2ray.com/core/transport/internet"
+	"v2ray.com/core/transport/internet/domainsocket"
+	"v2ray.com/core/transport/ray"
+)
+
+type UnixHandler struct {
+	config          *core.OutboundHandlerConfig
+	senderSettings  *proxyman.UnixSenderConfig
+	proxy           proxy.Outbound
+	outboundManager core.OutboundHandlerManager
+	mux             *mux.ClientManager
+}
+
+func NewUnixHandler(ctx context.Context, config *core.OutboundHandlerConfig) (core.OutboundHandler, error) {
+	v := core.FromContext(ctx)
+	if v == nil {
+		return nil, newError("V is not in context")
+	}
+	h := &UnixHandler{
+		config:          config,
+		outboundManager: v.OutboundHandlerManager(),
+	}
+
+	if config.SenderSettings != nil {
+		senderSettings, err := config.SenderSettings.GetInstance()
+		if err != nil {
+			return nil, err
+		}
+		switch s := senderSettings.(type) {
+		case *proxyman.UnixSenderConfig:
+			h.senderSettings = s
+		default:
+			return nil, newError("settings is not UnixSenderConfig")
+		}
+	}
+
+	proxyConfig, err := config.ProxySettings.GetInstance()
+	if err != nil {
+		return nil, err
+	}
+
+	rawProxyHandler, err := common.CreateObject(ctx, proxyConfig)
+	if err != nil {
+		return nil, err
+	}
+
+	proxyHandler, ok := rawProxyHandler.(proxy.Outbound)
+	if !ok {
+		return nil, newError("not an outbound handler")
+	}
+
+	if h.senderSettings != nil && h.senderSettings.MultiplexSettings != nil && h.senderSettings.MultiplexSettings.Enabled {
+		config := h.senderSettings.MultiplexSettings
+		if config.Concurrency < 1 || config.Concurrency > 1024 {
+			return nil, newError("invalid mux concurrency: ", config.Concurrency).AtWarning()
+		}
+		h.mux = mux.NewClientManager(proxyHandler, h, config)
+	}
+
+	h.proxy = proxyHandler
+	return h, nil
+}
+
+// Tag implements core.OutboundHandler.
+func (h *UnixHandler) Tag() string {
+	return h.config.Tag
+}
+
+// Dispatch implements proxy.Outbound.Dispatch.
+func (h *UnixHandler) Dispatch(ctx context.Context, outboundRay ray.OutboundRay) {
+	if h.mux != nil {
+		err := h.mux.Dispatch(ctx, outboundRay)
+		if err != nil {
+			newError("failed to process outbound traffic").Base(err).WriteToLog()
+			outboundRay.OutboundOutput().CloseError()
+		}
+	} else {
+		err := h.proxy.Process(ctx, outboundRay, h)
+		// Ensure outbound ray is properly closed.
+		if err != nil && errors.Cause(err) != io.EOF {
+			newError("failed to process outbound traffic").Base(err).WriteToLog()
+			outboundRay.OutboundOutput().CloseError()
+		} else {
+			outboundRay.OutboundOutput().Close()
+		}
+		outboundRay.OutboundInput().CloseError()
+	}
+}
+
+// Dial implements proxy.Dialer.Dial().
+func (h *UnixHandler) Dial(ctx context.Context, dest net.Destination) (internet.Connection, error) {
+	if h.senderSettings != nil {
+		if h.senderSettings.ProxySettings.HasTag() {
+			newError("Unix domain socket does not support redirect").AtWarning().WriteToLog()
+		}
+
+		if h.senderSettings.StreamSettings != nil {
+			newError("Unix domain socket does not support stream setting").AtWarning().WriteToLog()
+		}
+	}
+
+	return domainsocket.DialDS(ctx, h.senderSettings.GetDomainSockSettings().GetPath())
+}
+
+// GetOutbound implements proxy.GetOutbound.
+func (h *UnixHandler) GetOutbound() proxy.Outbound {
+	return h.proxy
+}
+
+// Start implements common.Runnable.
+func (h *UnixHandler) Start() error {
+	return nil
+}
+
+// Close implements common.Runnable.
+func (h *UnixHandler) Close() error {
+	common.Close(h.mux)
+	return nil
+}

common/crypto/internal/chacha_core.generated.go

@@ -2,122 +2,124 @@ package internal
 
 import "encoding/binary"
 
-func ChaCha20Block(s *[16]uint32, out []byte, rounds int) {
-	var x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15 = s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7], s[8], s[9], s[10], s[11], s[12], s[13], s[14], s[15]
-	for i := 0; i < rounds; i += 2 {
-		var x uint32
 
-		x0 += x4
-		x = x12 ^ x0
-		x12 = (x << 16) | (x >> (32 - 16))
-		x8 += x12
-		x = x4 ^ x8
-		x4 = (x << 12) | (x >> (32 - 12))
-		x0 += x4
-		x = x12 ^ x0
-		x12 = (x << 8) | (x >> (32 - 8))
-		x8 += x12
-		x = x4 ^ x8
-		x4 = (x << 7) | (x >> (32 - 7))
-		x1 += x5
-		x = x13 ^ x1
-		x13 = (x << 16) | (x >> (32 - 16))
-		x9 += x13
-		x = x5 ^ x9
-		x5 = (x << 12) | (x >> (32 - 12))
-		x1 += x5
-		x = x13 ^ x1
-		x13 = (x << 8) | (x >> (32 - 8))
-		x9 += x13
-		x = x5 ^ x9
-		x5 = (x << 7) | (x >> (32 - 7))
-		x2 += x6
-		x = x14 ^ x2
-		x14 = (x << 16) | (x >> (32 - 16))
-		x10 += x14
-		x = x6 ^ x10
-		x6 = (x << 12) | (x >> (32 - 12))
-		x2 += x6
-		x = x14 ^ x2
-		x14 = (x << 8) | (x >> (32 - 8))
-		x10 += x14
-		x = x6 ^ x10
-		x6 = (x << 7) | (x >> (32 - 7))
-		x3 += x7
-		x = x15 ^ x3
-		x15 = (x << 16) | (x >> (32 - 16))
-		x11 += x15
-		x = x7 ^ x11
-		x7 = (x << 12) | (x >> (32 - 12))
-		x3 += x7
-		x = x15 ^ x3
-		x15 = (x << 8) | (x >> (32 - 8))
-		x11 += x15
-		x = x7 ^ x11
-		x7 = (x << 7) | (x >> (32 - 7))
-		x0 += x5
-		x = x15 ^ x0
-		x15 = (x << 16) | (x >> (32 - 16))
-		x10 += x15
-		x = x5 ^ x10
-		x5 = (x << 12) | (x >> (32 - 12))
-		x0 += x5
-		x = x15 ^ x0
-		x15 = (x << 8) | (x >> (32 - 8))
-		x10 += x15
-		x = x5 ^ x10
-		x5 = (x << 7) | (x >> (32 - 7))
-		x1 += x6
-		x = x12 ^ x1
-		x12 = (x << 16) | (x >> (32 - 16))
-		x11 += x12
-		x = x6 ^ x11
-		x6 = (x << 12) | (x >> (32 - 12))
-		x1 += x6
-		x = x12 ^ x1
-		x12 = (x << 8) | (x >> (32 - 8))
-		x11 += x12
-		x = x6 ^ x11
-		x6 = (x << 7) | (x >> (32 - 7))
-		x2 += x7
-		x = x13 ^ x2
-		x13 = (x << 16) | (x >> (32 - 16))
-		x8 += x13
-		x = x7 ^ x8
-		x7 = (x << 12) | (x >> (32 - 12))
-		x2 += x7
-		x = x13 ^ x2
-		x13 = (x << 8) | (x >> (32 - 8))
-		x8 += x13
-		x = x7 ^ x8
-		x7 = (x << 7) | (x >> (32 - 7))
-		x3 += x4
-		x = x14 ^ x3
-		x14 = (x << 16) | (x >> (32 - 16))
-		x9 += x14
-		x = x4 ^ x9
-		x4 = (x << 12) | (x >> (32 - 12))
-		x3 += x4
-		x = x14 ^ x3
-		x14 = (x << 8) | (x >> (32 - 8))
-		x9 += x14
-		x = x4 ^ x9
-		x4 = (x << 7) | (x >> (32 - 7))
-	}
-	binary.LittleEndian.PutUint32(out[0:4], s[0]+x0)
-	binary.LittleEndian.PutUint32(out[4:8], s[1]+x1)
-	binary.LittleEndian.PutUint32(out[8:12], s[2]+x2)
-	binary.LittleEndian.PutUint32(out[12:16], s[3]+x3)
-	binary.LittleEndian.PutUint32(out[16:20], s[4]+x4)
-	binary.LittleEndian.PutUint32(out[20:24], s[5]+x5)
-	binary.LittleEndian.PutUint32(out[24:28], s[6]+x6)
-	binary.LittleEndian.PutUint32(out[28:32], s[7]+x7)
-	binary.LittleEndian.PutUint32(out[32:36], s[8]+x8)
-	binary.LittleEndian.PutUint32(out[36:40], s[9]+x9)
-	binary.LittleEndian.PutUint32(out[40:44], s[10]+x10)
-	binary.LittleEndian.PutUint32(out[44:48], s[11]+x11)
-	binary.LittleEndian.PutUint32(out[48:52], s[12]+x12)
-	binary.LittleEndian.PutUint32(out[52:56], s[13]+x13)
-	binary.LittleEndian.PutUint32(out[56:60], s[14]+x14)
-	binary.LittleEndian.PutUint32(out[60:64], s[15]+x15)
+func ChaCha20Block(s *[16]uint32, out []byte, rounds int) {
+  var x0,x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,x11,x12,x13,x14,x15 = s[0],s[1],s[2],s[3],s[4],s[5],s[6],s[7],s[8],s[9],s[10],s[11],s[12],s[13],s[14],s[15]
+	for i := 0; i < rounds; i+=2 {
+    var x uint32
+    
+x0+=x4
+x=x12^x0
+x12=(x << 16) | (x >> (32 - 16))
+x8+=x12
+x=x4^x8
+x4=(x << 12) | (x >> (32 - 12))
+x0+=x4
+x=x12^x0
+x12=(x << 8) | (x >> (32 - 8))
+x8+=x12
+x=x4^x8
+x4=(x << 7) | (x >> (32 - 7))
+x1+=x5
+x=x13^x1
+x13=(x << 16) | (x >> (32 - 16))
+x9+=x13
+x=x5^x9
+x5=(x << 12) | (x >> (32 - 12))
+x1+=x5
+x=x13^x1
+x13=(x << 8) | (x >> (32 - 8))
+x9+=x13
+x=x5^x9
+x5=(x << 7) | (x >> (32 - 7))
+x2+=x6
+x=x14^x2
+x14=(x << 16) | (x >> (32 - 16))
+x10+=x14
+x=x6^x10
+x6=(x << 12) | (x >> (32 - 12))
+x2+=x6
+x=x14^x2
+x14=(x << 8) | (x >> (32 - 8))
+x10+=x14
+x=x6^x10
+x6=(x << 7) | (x >> (32 - 7))
+x3+=x7
+x=x15^x3
+x15=(x << 16) | (x >> (32 - 16))
+x11+=x15
+x=x7^x11
+x7=(x << 12) | (x >> (32 - 12))
+x3+=x7
+x=x15^x3
+x15=(x << 8) | (x >> (32 - 8))
+x11+=x15
+x=x7^x11
+x7=(x << 7) | (x >> (32 - 7))
+x0+=x5
+x=x15^x0
+x15=(x << 16) | (x >> (32 - 16))
+x10+=x15
+x=x5^x10
+x5=(x << 12) | (x >> (32 - 12))
+x0+=x5
+x=x15^x0
+x15=(x << 8) | (x >> (32 - 8))
+x10+=x15
+x=x5^x10
+x5=(x << 7) | (x >> (32 - 7))
+x1+=x6
+x=x12^x1
+x12=(x << 16) | (x >> (32 - 16))
+x11+=x12
+x=x6^x11
+x6=(x << 12) | (x >> (32 - 12))
+x1+=x6
+x=x12^x1
+x12=(x << 8) | (x >> (32 - 8))
+x11+=x12
+x=x6^x11
+x6=(x << 7) | (x >> (32 - 7))
+x2+=x7
+x=x13^x2
+x13=(x << 16) | (x >> (32 - 16))
+x8+=x13
+x=x7^x8
+x7=(x << 12) | (x >> (32 - 12))
+x2+=x7
+x=x13^x2
+x13=(x << 8) | (x >> (32 - 8))
+x8+=x13
+x=x7^x8
+x7=(x << 7) | (x >> (32 - 7))
+x3+=x4
+x=x14^x3
+x14=(x << 16) | (x >> (32 - 16))
+x9+=x14
+x=x4^x9
+x4=(x << 12) | (x >> (32 - 12))
+x3+=x4
+x=x14^x3
+x14=(x << 8) | (x >> (32 - 8))
+x9+=x14
+x=x4^x9
+x4=(x << 7) | (x >> (32 - 7))
 }
+binary.LittleEndian.PutUint32(out[0:4], s[0]+x0)
+binary.LittleEndian.PutUint32(out[4:8], s[1]+x1)
+binary.LittleEndian.PutUint32(out[8:12], s[2]+x2)
+binary.LittleEndian.PutUint32(out[12:16], s[3]+x3)
+binary.LittleEndian.PutUint32(out[16:20], s[4]+x4)
+binary.LittleEndian.PutUint32(out[20:24], s[5]+x5)
+binary.LittleEndian.PutUint32(out[24:28], s[6]+x6)
+binary.LittleEndian.PutUint32(out[28:32], s[7]+x7)
+binary.LittleEndian.PutUint32(out[32:36], s[8]+x8)
+binary.LittleEndian.PutUint32(out[36:40], s[9]+x9)
+binary.LittleEndian.PutUint32(out[40:44], s[10]+x10)
+binary.LittleEndian.PutUint32(out[44:48], s[11]+x11)
+binary.LittleEndian.PutUint32(out[48:52], s[12]+x12)
+binary.LittleEndian.PutUint32(out[52:56], s[13]+x13)
+binary.LittleEndian.PutUint32(out[56:60], s[14]+x14)
+binary.LittleEndian.PutUint32(out[60:64], s[15]+x15)
+}
+

proxy/blackhole/errors.generated.go

@@ -2,6 +2,4 @@ package blackhole
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Proxy", "Blackhole")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Proxy", "Blackhole") }

proxy/dokodemo/errors.generated.go

@@ -2,6 +2,4 @@ package dokodemo
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Proxy", "Dokodemo")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Proxy", "Dokodemo") }

proxy/freedom/errors.generated.go

@@ -2,6 +2,4 @@ package freedom
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Proxy", "Freedom")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Proxy", "Freedom") }

proxy/shadowsocks/errors.generated.go

@@ -2,6 +2,4 @@ package shadowsocks
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Proxy", "Shadowsocks")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Proxy", "Shadowsocks") }

proxy/socks/errors.generated.go

@@ -2,6 +2,4 @@ package socks
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Proxy", "Socks")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Proxy", "Socks") }

proxy/vmess/encoding/errors.generated.go

@@ -2,6 +2,4 @@ package encoding
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Proxy", "VMess", "Encoding")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Proxy", "VMess", "Encoding") }

proxy/vmess/errors.generated.go

@@ -2,6 +2,4 @@ package vmess
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Proxy", "VMess")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Proxy", "VMess") }

proxy/vmess/inbound/errors.generated.go

@@ -2,6 +2,4 @@ package inbound
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Proxy", "VMess", "Inbound")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Proxy", "VMess", "Inbound") }

proxy/vmess/outbound/errors.generated.go

@@ -2,6 +2,4 @@ package outbound
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Proxy", "VMess", "Outbound")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Proxy", "VMess", "Outbound") }

testing/scenarios/unixtest/unix.go

@@ -0,0 +1 @@
+package unixtest

testing/scenarios/unixtest/unix_test.go

@@ -0,0 +1,129 @@
+package unixtest
+
+import (
+	"testing"
+
+	"v2ray.com/core"
+	"v2ray.com/core/app/log"
+	"v2ray.com/core/app/proxyman"
+	"v2ray.com/core/common"
+	clog "v2ray.com/core/common/log"
+	"v2ray.com/core/common/net"
+	"v2ray.com/core/common/serial"
+	"v2ray.com/core/proxy/dokodemo"
+	"v2ray.com/core/proxy/freedom"
+	. "v2ray.com/ext/assert"
+
+	"v2ray.com/core/testing/servers/tcp"
+
+	"v2ray.com/core/testing/scenarios"
+
+	"v2ray.com/core/transport/internet/domainsocket"
+)
+
+func xor(b []byte) []byte {
+	r := make([]byte, len(b))
+	for i, v := range b {
+		r[i] = v ^ 'c'
+	}
+	return r
+}
+
+func pickPort() net.Port {
+	listener, err := net.Listen("tcp4", "127.0.0.1:0")
+	common.Must(err)
+	defer listener.Close()
+
+	addr := listener.Addr().(*net.TCPAddr)
+	return net.Port(addr.Port)
+}
+
+func TestUnix2tcpS(t *testing.T) {
+	assert := With(t)
+	tcpServer := tcp.Server{
+		MsgProcessor: xor,
+	}
+	dest, err := tcpServer.Start()
+	assert(err, IsNil)
+	defer tcpServer.Close()
+
+	Server := &core.Config{
+		App: []*serial.TypedMessage{
+			serial.ToTypedMessage(&log.Config{
+				ErrorLogLevel: clog.Severity_Debug,
+				ErrorLogType:  log.LogType_Console,
+			}),
+		},
+		Inbound: []*core.InboundHandlerConfig{
+			{
+				ReceiverSettings: serial.ToTypedMessage(&proxyman.UnixReceiverConfig{
+					DomainSockSettings: &domainsocket.DomainSocketSettings{Path: "\x00v2raytest"},
+				}),
+				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(&freedom.Config{})},
+		},
+	}
+	serverPort := pickPort()
+	Client := &core.Config{
+		App: []*serial.TypedMessage{
+			serial.ToTypedMessage(&log.Config{
+				ErrorLogLevel: clog.Severity_Debug,
+				ErrorLogType:  log.LogType_Console,
+			}),
+		},
+		Outbound: []*core.OutboundHandlerConfig{
+			{
+				SenderSettings: serial.ToTypedMessage(&proxyman.UnixSenderConfig{
+					DomainSockSettings: &domainsocket.DomainSocketSettings{Path: "\x00v2raytest"},
+				}),
+				ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
+			},
+		},
+		Inbound: []*core.InboundHandlerConfig{
+			{ProxySettings: serial.ToTypedMessage(&dokodemo.Config{
+				Address: net.NewIPOrDomain(dest.Address),
+				Port:    uint32(dest.Port),
+				NetworkList: &net.NetworkList{
+					Network: []net.Network{net.Network_TCP},
+				},
+			}),
+				ReceiverSettings: serial.ToTypedMessage(&proxyman.ReceiverConfig{
+					PortRange: net.SinglePortRange(serverPort),
+					Listen:    net.NewIPOrDomain(net.LocalHostIP),
+				}),
+			},
+		},
+	}
+
+	servers, err := scenarios.InitializeServerConfigs(Server, Client)
+
+	port := serverPort
+
+	conn, err := net.DialTCP("tcp", nil, &net.TCPAddr{
+		IP:   []byte{127, 0, 0, 1},
+		Port: int(port),
+	})
+	assert(err, IsNil)
+
+	payload := "dokodemo request."
+	nBytes, err := conn.Write([]byte(payload))
+	assert(err, IsNil)
+	assert(nBytes, Equals, len(payload))
+
+	response := make([]byte, 1024)
+	nBytes, err = conn.Read(response)
+	assert(err, IsNil)
+	assert(response[:nBytes], Equals, xor([]byte(payload)))
+	assert(conn.Close(), IsNil)
+
+	scenarios.CloseAllServers(servers)
+}

transport/internet/domainsocket/config.pb.go

@@ -0,0 +1,155 @@
+package domainsocket
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+// Flag Array
+type DomainSocketSecurityMode int32
+
+const (
+	DomainSocketSecurityMode_Danger DomainSocketSecurityMode = 0
+	// Verfify is Dialer have a pid or ppid match pid file
+	DomainSocketSecurityMode_VerifyPid DomainSocketSecurityMode = 1
+	// Do not tolerance ppid match
+	DomainSocketSecurityMode_DisqualifyPPIDMatch DomainSocketSecurityMode = 2
+	// Enforce Uid Verify On euid
+	DomainSocketSecurityMode_VerifyEUID DomainSocketSecurityMode = 4
+	// Enforce Uid Verify On ruid
+	DomainSocketSecurityMode_VerifyRUID DomainSocketSecurityMode = 8
+	// Does not allow same user exception
+	DomainSocketSecurityMode_DisqualifySameUser DomainSocketSecurityMode = 16
+	// Does not allow root user exception
+	DomainSocketSecurityMode_DisqualifyRootUser DomainSocketSecurityMode = 32
+)
+
+var DomainSocketSecurityMode_name = map[int32]string{
+	0:  "Danger",
+	1:  "VerifyPid",
+	2:  "DisqualifyPPIDMatch",
+	4:  "VerifyEUID",
+	8:  "VerifyRUID",
+	16: "DisqualifySameUser",
+	32: "DisqualifyRootUser",
+}
+var DomainSocketSecurityMode_value = map[string]int32{
+	"Danger":              0,
+	"VerifyPid":           1,
+	"DisqualifyPPIDMatch": 2,
+	"VerifyEUID":          4,
+	"VerifyRUID":          8,
+	"DisqualifySameUser":  16,
+	"DisqualifyRootUser":  32,
+}
+
+func (x DomainSocketSecurityMode) String() string {
+	return proto.EnumName(DomainSocketSecurityMode_name, int32(x))
+}
+func (DomainSocketSecurityMode) EnumDescriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+
+type DomainSocketSecurity struct {
+	// Flag Array Type, User can set an integer to define various configure
+	Mode DomainSocketSecurityMode `protobuf:"varint,1,opt,name=Mode,enum=v2ray.core.internet.domainsocket.DomainSocketSecurityMode" json:"Mode,omitempty"`
+	// Set pid files to be allowed
+	AllowedPid []string `protobuf:"bytes,2,rep,name=AllowedPid" json:"AllowedPid,omitempty"`
+	// Set uids to be allowed, either euid or ruid should match one of following
+	// uids AllowedUid, or user that v2ray is running or root.
+	AllowedUid []uint64 `protobuf:"varint,3,rep,packed,name=AllowedUid" json:"AllowedUid,omitempty"`
+}
+
+func (m *DomainSocketSecurity) Reset()                    { *m = DomainSocketSecurity{} }
+func (m *DomainSocketSecurity) String() string            { return proto.CompactTextString(m) }
+func (*DomainSocketSecurity) ProtoMessage()               {}
+func (*DomainSocketSecurity) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+
+func (m *DomainSocketSecurity) GetMode() DomainSocketSecurityMode {
+	if m != nil {
+		return m.Mode
+	}
+	return DomainSocketSecurityMode_Danger
+}
+
+func (m *DomainSocketSecurity) GetAllowedPid() []string {
+	if m != nil {
+		return m.AllowedPid
+	}
+	return nil
+}
+
+func (m *DomainSocketSecurity) GetAllowedUid() []uint64 {
+	if m != nil {
+		return m.AllowedUid
+	}
+	return nil
+}
+
+type DomainSocketSettings struct {
+	// Path we should listen/dial
+	Path     string                `protobuf:"bytes,1,opt,name=Path" json:"Path,omitempty"`
+	Security *DomainSocketSecurity `protobuf:"bytes,2,opt,name=Security" json:"Security,omitempty"`
+}
+
+func (m *DomainSocketSettings) Reset()                    { *m = DomainSocketSettings{} }
+func (m *DomainSocketSettings) String() string            { return proto.CompactTextString(m) }
+func (*DomainSocketSettings) ProtoMessage()               {}
+func (*DomainSocketSettings) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} }
+
+func (m *DomainSocketSettings) GetPath() string {
+	if m != nil {
+		return m.Path
+	}
+	return ""
+}
+
+func (m *DomainSocketSettings) GetSecurity() *DomainSocketSecurity {
+	if m != nil {
+		return m.Security
+	}
+	return nil
+}
+
+func init() {
+	proto.RegisterType((*DomainSocketSecurity)(nil), "v2ray.core.internet.domainsocket.DomainSocketSecurity")
+	proto.RegisterType((*DomainSocketSettings)(nil), "v2ray.core.internet.domainsocket.DomainSocketSettings")
+	proto.RegisterEnum("v2ray.core.internet.domainsocket.DomainSocketSecurityMode", DomainSocketSecurityMode_name, DomainSocketSecurityMode_value)
+}
+
+func init() {
+	proto.RegisterFile("v2ray.com/core/transport/internet/domainsocket/config.proto", fileDescriptor0)
+}
+
+var fileDescriptor0 = []byte{
+	// 323 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x92, 0x41, 0x4b, 0xf3, 0x40,
+	0x10, 0x86, 0xbf, 0xb4, 0xa1, 0xb4, 0xf3, 0x69, 0x09, 0xab, 0x68, 0x4e, 0x12, 0x7a, 0x0a, 0x1e,
+	0x12, 0xa8, 0xe0, 0x41, 0x4f, 0x4a, 0x3c, 0xf4, 0x50, 0x09, 0x5b, 0xea, 0xc1, 0xdb, 0x9a, 0xdd,
+	0xb6, 0x8b, 0xed, 0x4e, 0xdd, 0x4c, 0x95, 0x5e, 0xfc, 0x29, 0x1e, 0xfd, 0x9d, 0xd2, 0x95, 0xd8,
+	0x28, 0x8a, 0xe0, 0x2d, 0xf3, 0xe4, 0x9d, 0x87, 0x77, 0x60, 0xe1, 0xfc, 0xb1, 0x6f, 0xc5, 0x3a,
+	0x29, 0x70, 0x91, 0x16, 0x68, 0x55, 0x4a, 0x56, 0x98, 0x72, 0x89, 0x96, 0x52, 0x6d, 0x48, 0x59,
+	0xa3, 0x28, 0x95, 0xb8, 0x10, 0xda, 0x94, 0x58, 0xdc, 0x2b, 0x4a, 0x0b, 0x34, 0x13, 0x3d, 0x4d,
+	0x96, 0x16, 0x09, 0x59, 0x54, 0x2d, 0x5b, 0x95, 0x54, 0xf1, 0xa4, 0x1e, 0xef, 0xbd, 0x7a, 0xb0,
+	0x9f, 0x39, 0x30, 0x72, 0x60, 0xa4, 0x8a, 0x95, 0xd5, 0xb4, 0x66, 0xd7, 0xe0, 0x0f, 0x51, 0xaa,
+	0xd0, 0x8b, 0xbc, 0xb8, 0xdb, 0x3f, 0x4b, 0x7e, 0x33, 0x25, 0xdf, 0x59, 0x36, 0x06, 0xee, 0x3c,
+	0xec, 0x08, 0xe0, 0x62, 0x3e, 0xc7, 0x27, 0x25, 0x73, 0x2d, 0xc3, 0x46, 0xd4, 0x8c, 0x3b, 0xbc,
+	0x46, 0x6a, 0xff, 0xc7, 0x5a, 0x86, 0xcd, 0xa8, 0x19, 0xfb, 0xbc, 0x46, 0x7a, 0xcf, 0x5f, 0x7b,
+	0x12, 0x69, 0x33, 0x2d, 0x19, 0x03, 0x3f, 0x17, 0x34, 0x73, 0x3d, 0x3b, 0xdc, 0x7d, 0x33, 0x0e,
+	0xed, 0xaa, 0x41, 0xd8, 0x88, 0xbc, 0xf8, 0x7f, 0xff, 0xf4, 0x6f, 0xfd, 0xf9, 0x87, 0xe7, 0xf8,
+	0xc5, 0x83, 0xf0, 0xa7, 0x13, 0x19, 0x40, 0x2b, 0x13, 0x66, 0xaa, 0x6c, 0xf0, 0x8f, 0xed, 0x42,
+	0xe7, 0x46, 0x59, 0x3d, 0x59, 0xe7, 0x5a, 0x06, 0x1e, 0x3b, 0x84, 0xbd, 0x4c, 0x97, 0x0f, 0x2b,
+	0x31, 0xdf, 0xa0, 0x7c, 0x90, 0x0d, 0x05, 0x15, 0xb3, 0xa0, 0xc1, 0xba, 0x00, 0xef, 0xb9, 0xab,
+	0xf1, 0x20, 0x0b, 0xfc, 0xed, 0xcc, 0x37, 0x73, 0x9b, 0x1d, 0x00, 0xdb, 0x2e, 0x8e, 0xc4, 0x42,
+	0x8d, 0x4b, 0x65, 0x83, 0xe0, 0x33, 0xe7, 0x88, 0xe4, 0x78, 0x74, 0xd9, 0xbd, 0xdd, 0xa9, 0xdf,
+	0x73, 0xd7, 0x72, 0x4f, 0xe0, 0xe4, 0x2d, 0x00, 0x00, 0xff, 0xff, 0x30, 0xd5, 0x61, 0x90, 0x41,
+	0x02, 0x00, 0x00,
+}

transport/internet/domainsocket/config.proto

@@ -0,0 +1,42 @@
+syntax = "proto3";
+
+package v2ray.core.internet.domainsocket;
+
+option go_package = "domainsocket";
+
+//Flag Array
+enum DomainSocketSecurityMode {
+  Danger = 0;
+  //Verfify is Dialer have a pid or ppid match pid file
+  VerifyPid = 1;
+  //Do not tolerance ppid match
+  DisqualifyPPIDMatch = 2;
+
+  //Enforce Uid Verify On euid
+  VerifyEUID = 4;
+
+  //Enforce Uid Verify On ruid
+  VerifyRUID = 8;
+
+  //Does not allow same user exception
+  DisqualifySameUser = 16;
+
+  //Does not allow root user exception
+  DisqualifyRootUser = 32;
+}
+
+message DomainSocketSecurity{
+ //Flag Array Type, User can set an integer to define various configure
+ DomainSocketSecurityMode Mode = 1;
+ //Set pid files to be allowed
+ repeated string AllowedPid = 2;
+ //Set uids to be allowed, either euid or ruid should match one of following
+ //uids AllowedUid, or user that v2ray is running or root.
+ repeated uint64 AllowedUid = 3;
+}
+
+message DomainSocketSettings{
+ //Path we should listen/dial
+ string Path = 1;
+ DomainSocketSecurity Security = 2;
+}

transport/internet/domainsocket/dial.go

@@ -0,0 +1,18 @@
+package domainsocket
+
+import (
+	"context"
+	"net"
+)
+
+func DialDS(ctx context.Context, path string) (*net.UnixConn, error) {
+	resolvedAddress, err := net.ResolveUnixAddr("unix", path)
+	if err != nil {
+		return nil, err
+	}
+	dialedUnix, err := net.DialUnix("unix", nil, resolvedAddress)
+	if err != nil {
+		return nil, err
+	}
+	return dialedUnix, nil
+}

transport/internet/domainsocket/errgen.go

@@ -0,0 +1,3 @@
+package domainsocket
+
+//go:generate go run $GOPATH/src/v2ray.com/core/common/errors/errorgen/main.go -pkg domainsocket -path Transport,Internet,DomainSocket

transport/internet/domainsocket/errors.generated.go

@@ -0,0 +1,5 @@
+package domainsocket
+
+import "v2ray.com/core/common/errors"
+
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Transport", "Internet", "DomainSocket") }

transport/internet/domainsocket/listener.go

@@ -0,0 +1,217 @@
+package domainsocket
+
+import (
+	"context"
+	"net"
+	"os"
+	"syscall"
+	"time"
+
+	"v2ray.com/core/common/bitmask"
+)
+
+type Listener struct {
+	ln           net.Listener
+	listenerChan chan<- net.Conn
+	ctx          context.Context
+	path         string
+	lockfile     *os.File
+	state        bitmask.Byte
+	cancal       func()
+}
+
+const (
+	STATE_UNDEFINED   = 0
+	STATE_INITIALIZED = 1 << iota
+	STATE_LOWERUP     = 1 << iota
+	STATE_UP          = 1 << iota
+	STATE_TAINT       = 1 << iota
+)
+
+func ListenDS(ctx context.Context, path string) (*Listener, error) {
+
+	vln := &Listener{path: path, state: STATE_INITIALIZED, ctx: ctx}
+	return vln, nil
+}
+
+func (ls *Listener) Down() error {
+	var err error
+	if !ls.state.Has(STATE_LOWERUP | STATE_UP) {
+		err = newError(ls.state).Base(newError("Invalid State:Down"))
+		if ___DEBUG_PANIC_WHEN_ENCOUNTED_IMPOSSIBLE_ERROR {
+			panic(err)
+		}
+		return err
+	}
+
+	ls.cancal()
+	closeerr := ls.ln.Close()
+	var lockerr error
+	if isUnixDomainSocketFileSystemBased(ls.path) {
+		lockerr = giveupLock(ls.lockfile)
+	}
+	if closeerr != nil && lockerr != nil {
+		if ___DEBUG_PANIC_WHEN_ERROR_UNPROPAGATEABLE {
+			panic(closeerr.Error() + lockerr.Error())
+		}
+	}
+
+	if closeerr != nil {
+		return newError("Cannot Close Unix domain socket listener").Base(closeerr)
+	}
+	if lockerr != nil {
+		return newError("Cannot release lock for Unix domain socket listener").Base(lockerr)
+	}
+	ls.state.Clear(STATE_LOWERUP | STATE_UP)
+	return nil
+}
+
+//LowerUP Setup systen level Listener
+func (ls *Listener) LowerUP() error {
+	var err error
+
+	if !ls.state.Has(STATE_INITIALIZED) || ls.state.Has(STATE_LOWERUP) {
+		err = newError(ls.state).Base(newError("Invalid State:LowerUP"))
+		if ___DEBUG_PANIC_WHEN_ENCOUNTED_IMPOSSIBLE_ERROR {
+			panic(err)
+		}
+		return err
+	}
+	
+	//If the unix domain socket is filesystem based, an file lock must be used to claim the right for listening on respective file.
+	//https://gavv.github.io/blog/unix-socket-reuse/
+	if isUnixDomainSocketFileSystemBased(ls.path) && !___DEBUG_IGNORE_FLOCK {
+		ls.lockfile, err = acquireLock(ls.path + ".lock")
+		if err != nil {
+			newError(err).AtDebug().WriteToLog()
+			return newError("Unable to acquire lock for filesystem based unix domain socket").Base(err)
+		}
+
+		err = cleansePath(ls.path)
+		if err != nil {
+			return newError("Unable to cleanse path for the creation of unix domain socket").Base(err)
+		}
+	}
+
+	addr := new(net.UnixAddr)
+	addr.Name = ls.path
+	addr.Net = "unix"
+	li, err := net.ListenUnix("unix", addr)
+	ls.ln = li
+	if err != nil {
+		return newError("Unable to listen unix domain socket").Base(err)
+	}
+
+	ls.state.Set(STATE_LOWERUP)
+
+	return nil
+}
+
+func (ls *Listener) UP(listener chan<- net.Conn, allowkick bool) error {
+	var err error
+	if !ls.state.Has(STATE_INITIALIZED|STATE_LOWERUP) || (ls.state.Has(STATE_UP) && !allowkick) {
+		err = newError(ls.state).Base(newError("Invalid State:UP"))
+		if ___DEBUG_PANIC_WHEN_ENCOUNTED_IMPOSSIBLE_ERROR {
+			panic(err)
+		}
+		return err
+	}
+	ls.listenerChan = listener
+	if !ls.state.Has(STATE_UP) {
+		cctx, cancel := context.WithCancel(ls.ctx)
+		ls.cancal = cancel
+		go ls.uploop(cctx)
+	}
+	ls.state.Set(STATE_UP)
+	return nil
+}
+
+func (ls *Listener) uploop(cctx context.Context) {
+	var lasterror error
+	errortolerance := 5
+	for {
+		if cctx.Err() != nil {
+			close(ls.listenerChan)
+			return
+		}
+		conn, err := ls.ln.Accept()
+
+		if err != nil {
+			newError("Cannot Accept socket from listener").Base(err).AtDebug().WriteToLog()
+			//Guard against too many open file error
+			if err == lasterror {
+				errortolerance--
+				if errortolerance == 0 {
+					newError("unix domain socket melt down as the error is repeating").Base(err).AtError().WriteToLog()
+					ls.cancal()
+				}
+				newError("unix domain socket listener is throttling accept as the error is repeating").Base(err).AtError().WriteToLog()
+				time.Sleep(time.Second * 5)
+			}
+			lasterror = err
+		}
+
+		ls.listenerChan <- conn
+	}
+}
+
+func isUnixDomainSocketFileSystemBased(path string) bool {
+	//No Branching
+	return path[0] != 0
+}
+
+func acquireLock(lockfilepath string) (*os.File, error) {
+	f, err := os.Create(lockfilepath)
+	if err != nil {
+		newError(err).AtDebug().WriteToLog()
+		return f, err
+	}
+	err = syscall.Flock(int(f.Fd()), syscall.LOCK_EX)
+	if err != nil {
+		newError(err).AtDebug().WriteToLog()
+		err = f.Close()
+		if err != nil {
+			if ___DEBUG_PANIC_WHEN_ENCOUNTED_IMPOSSIBLE_ERROR {
+				panic(err)
+			}
+			newError(err).AtDebug().WriteToLog()
+		}
+		return nil, err
+	}
+	return nil, err
+}
+
+func giveupLock(locker *os.File) error {
+	err := syscall.Flock(int(locker.Fd()), syscall.LOCK_UN)
+	if err != nil {
+		closeerr := locker.Close()
+		if err != nil {
+			if ___DEBUG_PANIC_WHEN_ERROR_UNPROPAGATEABLE {
+				panic(closeerr)
+			}
+			newError(closeerr).AtDebug().WriteToLog()
+		}
+		newError(err).AtDebug().WriteToLog()
+		return err
+	}
+	closeerr := locker.Close()
+	if closeerr != nil {
+		newError(closeerr).AtDebug().WriteToLog()
+		return closeerr
+	}
+	return closeerr
+}
+
+func cleansePath(path string) error {
+	_, err := os.Stat(path)
+	if err != nil {
+		return nil
+	}
+	err = os.Remove(path)
+	return err
+}
+
+//DEBUG CONSTS
+const ___DEBUG_IGNORE_FLOCK = false
+const ___DEBUG_PANIC_WHEN_ERROR_UNPROPAGATEABLE = false
+const ___DEBUG_PANIC_WHEN_ENCOUNTED_IMPOSSIBLE_ERROR = false

transport/internet/domainsocket/listener_test.go

@@ -0,0 +1,132 @@
+package domainsocket_test
+
+import (
+	"context"
+	"net"
+	"testing"
+	"time"
+
+	"v2ray.com/core/transport/internet/domainsocket"
+	"v2ray.com/ext/assert"
+)
+
+func TestListenAbstract(t *testing.T) {
+	listener, err := domainsocket.ListenDS(context.Background(), "\x00V2RayDimension/TestListenAbstract")
+	asrt := assert.With(t)
+	asrt(err, assert.IsNil)
+	asrt(listener, assert.IsNotNil)
+}
+
+func TestListen(t *testing.T) {
+	listener, err := domainsocket.ListenDS(context.Background(), "/tmp/ts3")
+	asrt := assert.With(t)
+	asrt(err, assert.IsNil)
+	asrt(listener, assert.IsNotNil)
+	errolu := listener.LowerUP()
+	asrt(errolu, assert.IsNil)
+	ctx, fin := context.WithCancel(context.Background())
+	chi := make(chan net.Conn, 2)
+	go func() {
+		for {
+			select {
+			case conn := <-chi:
+				test := make([]byte, 256)
+				nc, errc := conn.Read(test)
+				asrt(errc, assert.IsNil)
+				conn.Write(test[:nc])
+				time.Sleep(time.Second)
+				conn.Close()
+			case <-ctx.Done():
+				return
+			}
+		}
+	}()
+	listener.UP(chi, false)
+	con, erro := net.Dial("unix", "/tmp/ts3")
+	asrt(erro, assert.IsNil)
+	b := []byte("ABC")
+	c := []byte("XXX")
+	_, erron := con.Write(b)
+	asrt(erron, assert.IsNil)
+	con.Read(c)
+	con.Close()
+	asrt(b[0]-c[0] == 0, assert.IsTrue)
+	fin()
+	listener.Down()
+}
+
+func TestListenA(t *testing.T) {
+	listener, err := domainsocket.ListenDS(context.Background(), "\x00/tmp/ts2")
+	asrt := assert.With(t)
+	asrt(err, assert.IsNil)
+	asrt(listener, assert.IsNotNil)
+	errolu := listener.LowerUP()
+	asrt(errolu, assert.IsNil)
+	ctx, fin := context.WithCancel(context.Background())
+	chi := make(chan net.Conn, 2)
+	go func() {
+		for {
+			select {
+			case conn := <-chi:
+				test := make([]byte, 256)
+				nc, errc := conn.Read(test)
+				asrt(errc, assert.IsNil)
+				conn.Write(test[:nc])
+				time.Sleep(time.Second)
+				conn.Close()
+			case <-ctx.Done():
+				return
+			}
+		}
+	}()
+	listener.UP(chi, false)
+	con, erro := net.Dial("unix", "\x00/tmp/ts2")
+	asrt(erro, assert.IsNil)
+	b := []byte("ABC")
+	c := []byte("XXX")
+	_, erron := con.Write(b)
+	asrt(erron, assert.IsNil)
+	con.Read(c)
+	con.Close()
+	asrt(b[0]-c[0] == 0, assert.IsTrue)
+	fin()
+	listener.Down()
+}
+
+func TestListenDial(t *testing.T) {
+	listener, err := domainsocket.ListenDS(context.Background(), "\x00/tmp/ts")
+	asrt := assert.With(t)
+	asrt(err, assert.IsNil)
+	asrt(listener, assert.IsNotNil)
+	errolu := listener.LowerUP()
+	asrt(errolu, assert.IsNil)
+	ctx, fin := context.WithCancel(context.Background())
+	chi := make(chan net.Conn, 2)
+	go func() {
+		for {
+			select {
+			case conn := <-chi:
+				test := make([]byte, 256)
+				nc, errc := conn.Read(test)
+				asrt(errc, assert.IsNil)
+				conn.Write(test[:nc])
+				time.Sleep(time.Second)
+				conn.Close()
+			case <-ctx.Done():
+				return
+			}
+		}
+	}()
+	listener.UP(chi, false)
+	con, erro := domainsocket.DialDS(context.Background(), "\x00/tmp/ts")
+	asrt(erro, assert.IsNil)
+	b := []byte("ABC")
+	c := []byte("XXX")
+	_, erron := con.Write(b)
+	asrt(erron, assert.IsNil)
+	con.Read(c)
+	con.Close()
+	asrt(b[0]-c[0] == 0, assert.IsTrue)
+	fin()
+	listener.Down()
+}

transport/internet/errors.generated.go

@@ -2,6 +2,4 @@ package internet
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Transport", "Internet")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Transport", "Internet") }

transport/internet/headers/http/errors.generated.go

@@ -2,6 +2,4 @@ package http
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Transport", "Internet", "Headers", "HTTP")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Transport", "Internet", "Headers", "HTTP") }

transport/internet/kcp/errors.generated.go

@@ -2,6 +2,4 @@ package kcp
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Transport", "Internet", "mKCP")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Transport", "Internet", "mKCP") }

transport/internet/tcp/errors.generated.go

@@ -2,6 +2,4 @@ package tcp
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Transport", "Internet", "TCP")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Transport", "Internet", "TCP") }

transport/internet/tls/errors.generated.go

@@ -2,6 +2,4 @@ package tls
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Transport", "Internet", "TLS")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Transport", "Internet", "TLS") }

transport/internet/udp/errors.generated.go

@@ -2,6 +2,4 @@ package udp
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Transport", "Internet", "UDP")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Transport", "Internet", "UDP") }

transport/internet/websocket/errors.generated.go

@@ -2,6 +2,4 @@ package websocket
 
 import "v2ray.com/core/common/errors"
 
-func newError(values ...interface{}) *errors.Error {
-	return errors.New(values...).Path("Transport", "Internet", "WebSocket")
-}
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Transport", "Internet", "WebSocket") }