diff --git a/proxy/addons.pb.go b/proxy/addons.pb.go new file mode 100644 index 00000000..e55bba6a --- /dev/null +++ b/proxy/addons.pb.go @@ -0,0 +1,512 @@ +// Code generated by protoc-gen-go. DO NOT EDIT. +// versions: +// protoc-gen-go v1.33.0 +// protoc v4.23.1 +// source: proxy/addons.proto + +package proxy + +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 SeedMode int32 + +const ( + SeedMode_Unknown SeedMode = 0 + SeedMode_PaddingOnly SeedMode = 1 + SeedMode_PaddingPlusDelay SeedMode = 2 + SeedMode_IndependentScheduler SeedMode = 3 +) + +// Enum value maps for SeedMode. +var ( + SeedMode_name = map[int32]string{ + 0: "Unknown", + 1: "PaddingOnly", + 2: "PaddingPlusDelay", + 3: "IndependentScheduler", + } + SeedMode_value = map[string]int32{ + "Unknown": 0, + "PaddingOnly": 1, + "PaddingPlusDelay": 2, + "IndependentScheduler": 3, + } +) + +func (x SeedMode) Enum() *SeedMode { + p := new(SeedMode) + *p = x + return p +} + +func (x SeedMode) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (SeedMode) Descriptor() protoreflect.EnumDescriptor { + return file_proxy_addons_proto_enumTypes[0].Descriptor() +} + +func (SeedMode) Type() protoreflect.EnumType { + return &file_proxy_addons_proto_enumTypes[0] +} + +func (x SeedMode) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use SeedMode.Descriptor instead. +func (SeedMode) EnumDescriptor() ([]byte, []int) { + return file_proxy_addons_proto_rawDescGZIP(), []int{0} +} + +type Addons struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Flow string `protobuf:"bytes,1,opt,name=Flow,proto3" json:"Flow,omitempty"` + Seed []byte `protobuf:"bytes,2,opt,name=Seed,proto3" json:"Seed,omitempty"` + Mode SeedMode `protobuf:"varint,3,opt,name=Mode,proto3,enum=xray.proxy.SeedMode" json:"Mode,omitempty"` + Duration string `protobuf:"bytes,4,opt,name=Duration,proto3" json:"Duration,omitempty"` // "0-8" means apply to number of packets, "1000b-" means start applying once both side exchange 1kb data, counting two-ways + Padding *PaddingConfig `protobuf:"bytes,5,opt,name=Padding,proto3" json:"Padding,omitempty"` + Delay *DelayConfig `protobuf:"bytes,6,opt,name=Delay,proto3" json:"Delay,omitempty"` + Scheduler *SchedulerConfig `protobuf:"bytes,7,opt,name=Scheduler,proto3" json:"Scheduler,omitempty"` +} + +func (x *Addons) Reset() { + *x = Addons{} + if protoimpl.UnsafeEnabled { + mi := &file_proxy_addons_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *Addons) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*Addons) ProtoMessage() {} + +func (x *Addons) ProtoReflect() protoreflect.Message { + mi := &file_proxy_addons_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 Addons.ProtoReflect.Descriptor instead. +func (*Addons) Descriptor() ([]byte, []int) { + return file_proxy_addons_proto_rawDescGZIP(), []int{0} +} + +func (x *Addons) GetFlow() string { + if x != nil { + return x.Flow + } + return "" +} + +func (x *Addons) GetSeed() []byte { + if x != nil { + return x.Seed + } + return nil +} + +func (x *Addons) GetMode() SeedMode { + if x != nil { + return x.Mode + } + return SeedMode_Unknown +} + +func (x *Addons) GetDuration() string { + if x != nil { + return x.Duration + } + return "" +} + +func (x *Addons) GetPadding() *PaddingConfig { + if x != nil { + return x.Padding + } + return nil +} + +func (x *Addons) GetDelay() *DelayConfig { + if x != nil { + return x.Delay + } + return nil +} + +func (x *Addons) GetScheduler() *SchedulerConfig { + if x != nil { + return x.Scheduler + } + return nil +} + +type PaddingConfig struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + RegularMin uint32 `protobuf:"varint,1,opt,name=RegularMin,proto3" json:"RegularMin,omitempty"` + RegularMax uint32 `protobuf:"varint,2,opt,name=RegularMax,proto3" json:"RegularMax,omitempty"` + LongMin uint32 `protobuf:"varint,3,opt,name=LongMin,proto3" json:"LongMin,omitempty"` + LongMax uint32 `protobuf:"varint,4,opt,name=LongMax,proto3" json:"LongMax,omitempty"` +} + +func (x *PaddingConfig) Reset() { + *x = PaddingConfig{} + if protoimpl.UnsafeEnabled { + mi := &file_proxy_addons_proto_msgTypes[1] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *PaddingConfig) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*PaddingConfig) ProtoMessage() {} + +func (x *PaddingConfig) ProtoReflect() protoreflect.Message { + mi := &file_proxy_addons_proto_msgTypes[1] + 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 PaddingConfig.ProtoReflect.Descriptor instead. +func (*PaddingConfig) Descriptor() ([]byte, []int) { + return file_proxy_addons_proto_rawDescGZIP(), []int{1} +} + +func (x *PaddingConfig) GetRegularMin() uint32 { + if x != nil { + return x.RegularMin + } + return 0 +} + +func (x *PaddingConfig) GetRegularMax() uint32 { + if x != nil { + return x.RegularMax + } + return 0 +} + +func (x *PaddingConfig) GetLongMin() uint32 { + if x != nil { + return x.LongMin + } + return 0 +} + +func (x *PaddingConfig) GetLongMax() uint32 { + if x != nil { + return x.LongMax + } + return 0 +} + +type DelayConfig struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + IsRandom bool `protobuf:"varint,1,opt,name=IsRandom,proto3" json:"IsRandom,omitempty"` + MinMillis uint32 `protobuf:"varint,2,opt,name=MinMillis,proto3" json:"MinMillis,omitempty"` + MaxMillis uint32 `protobuf:"varint,3,opt,name=MaxMillis,proto3" json:"MaxMillis,omitempty"` +} + +func (x *DelayConfig) Reset() { + *x = DelayConfig{} + if protoimpl.UnsafeEnabled { + mi := &file_proxy_addons_proto_msgTypes[2] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *DelayConfig) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*DelayConfig) ProtoMessage() {} + +func (x *DelayConfig) ProtoReflect() protoreflect.Message { + mi := &file_proxy_addons_proto_msgTypes[2] + 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 DelayConfig.ProtoReflect.Descriptor instead. +func (*DelayConfig) Descriptor() ([]byte, []int) { + return file_proxy_addons_proto_rawDescGZIP(), []int{2} +} + +func (x *DelayConfig) GetIsRandom() bool { + if x != nil { + return x.IsRandom + } + return false +} + +func (x *DelayConfig) GetMinMillis() uint32 { + if x != nil { + return x.MinMillis + } + return 0 +} + +func (x *DelayConfig) GetMaxMillis() uint32 { + if x != nil { + return x.MaxMillis + } + return 0 +} + +type SchedulerConfig struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + TimeoutMillis uint32 `protobuf:"varint,1,opt,name=TimeoutMillis,proto3" json:"TimeoutMillis,omitempty"` // original traffic will not be sent right away but when scheduler want to send or pending buffer times out +} + +func (x *SchedulerConfig) Reset() { + *x = SchedulerConfig{} + if protoimpl.UnsafeEnabled { + mi := &file_proxy_addons_proto_msgTypes[3] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *SchedulerConfig) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*SchedulerConfig) ProtoMessage() {} + +func (x *SchedulerConfig) ProtoReflect() protoreflect.Message { + mi := &file_proxy_addons_proto_msgTypes[3] + 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 SchedulerConfig.ProtoReflect.Descriptor instead. +func (*SchedulerConfig) Descriptor() ([]byte, []int) { + return file_proxy_addons_proto_rawDescGZIP(), []int{3} +} + +func (x *SchedulerConfig) GetTimeoutMillis() uint32 { + if x != nil { + return x.TimeoutMillis + } + return 0 +} + +var File_proxy_addons_proto protoreflect.FileDescriptor + +var 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file_proxy_addons_proto_rawDescOnce.Do(func() { + file_proxy_addons_proto_rawDescData = protoimpl.X.CompressGZIP(file_proxy_addons_proto_rawDescData) + }) + return file_proxy_addons_proto_rawDescData +} + +var file_proxy_addons_proto_enumTypes = make([]protoimpl.EnumInfo, 1) +var file_proxy_addons_proto_msgTypes = make([]protoimpl.MessageInfo, 4) +var file_proxy_addons_proto_goTypes = []interface{}{ + (SeedMode)(0), // 0: xray.proxy.SeedMode + (*Addons)(nil), // 1: xray.proxy.Addons + (*PaddingConfig)(nil), // 2: xray.proxy.PaddingConfig + (*DelayConfig)(nil), // 3: xray.proxy.DelayConfig + (*SchedulerConfig)(nil), // 4: xray.proxy.SchedulerConfig +} +var file_proxy_addons_proto_depIdxs = []int32{ + 0, // 0: xray.proxy.Addons.Mode:type_name -> xray.proxy.SeedMode + 2, // 1: xray.proxy.Addons.Padding:type_name -> xray.proxy.PaddingConfig + 3, // 2: xray.proxy.Addons.Delay:type_name -> xray.proxy.DelayConfig + 4, // 3: xray.proxy.Addons.Scheduler:type_name -> xray.proxy.SchedulerConfig + 4, // [4:4] is the sub-list for method output_type + 4, // [4:4] is the sub-list for method input_type + 4, // [4:4] is the sub-list for extension type_name + 4, // [4:4] is the sub-list for extension extendee + 0, // [0:4] is the sub-list for field type_name +} + +func init() { file_proxy_addons_proto_init() } +func file_proxy_addons_proto_init() { + if File_proxy_addons_proto != nil { + return + } + if !protoimpl.UnsafeEnabled { + file_proxy_addons_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*Addons); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_proxy_addons_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*PaddingConfig); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_proxy_addons_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*DelayConfig); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_proxy_addons_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*SchedulerConfig); 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_proxy_addons_proto_rawDesc, + NumEnums: 1, + NumMessages: 4, + NumExtensions: 0, + NumServices: 0, + }, + GoTypes: file_proxy_addons_proto_goTypes, + DependencyIndexes: file_proxy_addons_proto_depIdxs, + EnumInfos: file_proxy_addons_proto_enumTypes, + MessageInfos: file_proxy_addons_proto_msgTypes, + }.Build() + File_proxy_addons_proto = out.File + file_proxy_addons_proto_rawDesc = nil + file_proxy_addons_proto_goTypes = nil + file_proxy_addons_proto_depIdxs = nil +} diff --git a/proxy/vless/encoding/addons.proto b/proxy/addons.proto similarity index 72% rename from proxy/vless/encoding/addons.proto rename to proxy/addons.proto index 4820ef50..1542299e 100644 --- a/proxy/vless/encoding/addons.proto +++ b/proxy/addons.proto @@ -1,16 +1,16 @@ syntax = "proto3"; -package xray.proxy.vless.encoding; -option csharp_namespace = "Xray.Proxy.Vless.Encoding"; -option go_package = "github.com/xtls/xray-core/proxy/vless/encoding"; -option java_package = "com.xray.proxy.vless.encoding"; +package xray.proxy; +option csharp_namespace = "Xray.Proxy"; +option go_package = "github.com/xtls/xray-core/proxy"; +option java_package = "com.xray.proxy"; option java_multiple_files = true; message Addons { string Flow = 1; bytes Seed = 2; SeedMode Mode = 3; - string Duration = 4; // "0-8" means apply to number of packets, "1kb-" means start applying once both side exchange 1kb data, counting two-ways + string Duration = 4; // "0-8" means apply to number of packets, "1000b-" means start applying once both side exchange 1kb data, counting two-ways PaddingConfig Padding = 5; DelayConfig Delay = 6; SchedulerConfig Scheduler = 7; diff --git a/proxy/proxy.go b/proxy/proxy.go index 64f241b3..0b1a5824 100644 --- a/proxy/proxy.go +++ b/proxy/proxy.go @@ -13,6 +13,7 @@ import ( "math/big" "runtime" "strconv" + "strings" "time" "github.com/pires/go-proxyproto" @@ -146,9 +147,9 @@ func NewTrafficState(userUUID []byte, flow string) *TrafficState { RemainingPadding: -1, CurrentCommand: 0, WriterSwitchToDirectCopy: false, + IsPadding: true, }; if len(flow) > 0 { - state.IsPadding = true; state.WithinPaddingBuffers = true; } return &state @@ -158,13 +159,15 @@ func NewTrafficState(userUUID []byte, flow string) *TrafficState { // Note Vision probably only make sense as the inner most layer of reader, since it need assess traffic state from origin proxy traffic type VisionReader struct { buf.Reader + addons *Addons trafficState *TrafficState ctx context.Context } -func NewVisionReader(reader buf.Reader, state *TrafficState, context context.Context) *VisionReader { +func NewVisionReader(reader buf.Reader, addon *Addons, state *TrafficState, context context.Context) *VisionReader { return &VisionReader{ Reader: reader, + addons: addon, trafficState: state, ctx: context, } @@ -177,7 +180,7 @@ func (w *VisionReader) ReadMultiBuffer() (buf.MultiBuffer, error) { w.trafficState.StartTime = time.Now() } w.trafficState.ByteReceived += int64(buffer.Len()) - if w.trafficState.WithinPaddingBuffers || w.trafficState.NumberOfPacketToFilter > 0 { + if w.trafficState.WithinPaddingBuffers || !ShouldStopSeed(w.addons, w.trafficState) { mb2 := make(buf.MultiBuffer, 0, len(buffer)) for _, b := range buffer { newbuffer := XtlsUnpadding(b, w.trafficState, w.ctx) @@ -209,16 +212,18 @@ func (w *VisionReader) ReadMultiBuffer() (buf.MultiBuffer, error) { // Note Vision probably only make sense as the inner most layer of writer, since it need assess traffic state from origin proxy traffic type VisionWriter struct { buf.Writer + addons *Addons trafficState *TrafficState ctx context.Context writeOnceUserUUID []byte } -func NewVisionWriter(writer buf.Writer, state *TrafficState, context context.Context) *VisionWriter { +func NewVisionWriter(writer buf.Writer, addon *Addons, state *TrafficState, context context.Context) *VisionWriter { w := make([]byte, len(state.UserUUID)) copy(w, state.UserUUID) return &VisionWriter{ Writer: writer, + addons: addon, trafficState: state, ctx: context, writeOnceUserUUID: w, @@ -230,9 +235,9 @@ func (w *VisionWriter) WriteMultiBuffer(mb buf.MultiBuffer) error { if w.trafficState.NumberOfPacketToFilter > 0 { XtlsFilterTls(mb, w.trafficState, w.ctx) } - if w.trafficState.IsPadding { + if w.trafficState.IsPadding && ShouldStartSeed(w.addons, w.trafficState){ if len(mb) == 1 && mb[0] == nil { - mb[0] = XtlsPadding(nil, CommandPaddingContinue, &w.writeOnceUserUUID, true, w.ctx) // we do a long padding to hide vless header + mb[0] = XtlsPadding(nil, CommandPaddingContinue, &w.writeOnceUserUUID, true, w.addons, w.ctx) // we do a long padding to hide vless header } else { mb = ReshapeMultiBuffer(w.ctx, mb) longPadding := w.trafficState.IsTLS @@ -243,18 +248,20 @@ func (w *VisionWriter) WriteMultiBuffer(mb buf.MultiBuffer) error { } var command byte = CommandPaddingContinue if i == len(mb) - 1 { - command = CommandPaddingEnd if w.trafficState.EnableXtls { command = CommandPaddingDirect + w.trafficState.IsPadding = false + } else if ShouldStopSeed(w.addons, w.trafficState) { + command = CommandPaddingEnd + w.trafficState.IsPadding = false } } - mb[i] = XtlsPadding(b, command, &w.writeOnceUserUUID, true, w.ctx) - w.trafficState.IsPadding = false // padding going to end + mb[i] = XtlsPadding(b, command, &w.writeOnceUserUUID, true, w.addons, w.ctx) longPadding = false continue - } else if !w.trafficState.IsTLS12orAbove && w.trafficState.NumberOfPacketToFilter <= 1 { // For compatibility with earlier vision receiver, we finish padding 1 packet early + } else if !w.trafficState.IsTLS12orAbove && ShouldStopSeed(w.addons, w.trafficState) { w.trafficState.IsPadding = false - mb[i] = XtlsPadding(b, CommandPaddingEnd, &w.writeOnceUserUUID, longPadding, w.ctx) + mb[i] = XtlsPadding(b, CommandPaddingEnd, &w.writeOnceUserUUID, longPadding, w.addons, w.ctx) break } var command byte = CommandPaddingContinue @@ -264,7 +271,7 @@ func (w *VisionWriter) WriteMultiBuffer(mb buf.MultiBuffer) error { command = CommandPaddingDirect } } - mb[i] = XtlsPadding(b, command, &w.writeOnceUserUUID, longPadding, w.ctx) + mb[i] = XtlsPadding(b, command, &w.writeOnceUserUUID, longPadding, w.addons, w.ctx) } } } @@ -311,24 +318,24 @@ func ReshapeMultiBuffer(ctx context.Context, buffer buf.MultiBuffer) buf.MultiBu } // XtlsPadding add padding to eliminate length signature during tls handshake -func XtlsPadding(b *buf.Buffer, command byte, userUUID *[]byte, longPadding bool, ctx context.Context) *buf.Buffer { +func XtlsPadding(b *buf.Buffer, command byte, userUUID *[]byte, longPadding bool, addons *Addons, ctx context.Context) *buf.Buffer { var contentLen int32 = 0 var paddingLen int32 = 0 if b != nil { contentLen = b.Len() } - if contentLen < 900 && longPadding { - l, err := rand.Int(rand.Reader, big.NewInt(500)) + if contentLen < int32(addons.Padding.LongMin) && longPadding { + l, err := rand.Int(rand.Reader, big.NewInt(int64(addons.Padding.LongMax - addons.Padding.LongMin))) if err != nil { errors.LogDebugInner(ctx, err, "failed to generate padding") } - paddingLen = int32(l.Int64()) + 900 - contentLen + paddingLen = int32(l.Int64()) + int32(addons.Padding.LongMin) - contentLen } else { - l, err := rand.Int(rand.Reader, big.NewInt(256)) + l, err := rand.Int(rand.Reader, big.NewInt(int64(addons.Padding.RegularMax - addons.Padding.RegularMin))) if err != nil { errors.LogDebugInner(ctx, err, "failed to generate padding") } - paddingLen = int32(l.Int64()) + paddingLen = int32(l.Int64()) + int32(addons.Padding.RegularMin) } if paddingLen > buf.Size-21-contentLen { paddingLen = buf.Size - 21 - contentLen @@ -583,3 +590,50 @@ func readV(ctx context.Context, reader buf.Reader, writer buf.Writer, timer sign } return nil } + +func ShouldStartSeed(addons *Addons, trafficState *TrafficState) bool { + if len(addons.Duration) == 0 || len(strings.Split(addons.Duration, "-")) < 2 { + return false + } + start := strings.ToLower(strings.Split(addons.Duration, "-")[0]) + if len(start) == 0 { + return true + } + if strings.Contains(start, "b") { + start = strings.TrimRight(start, "b") + i, err := strconv.Atoi(start) + if err == nil && i <= int(trafficState.ByteSent + trafficState.ByteSent) { + return true + } + } else { + i, err := strconv.Atoi(start) + if err == nil && i <= trafficState.NumberOfPacketSent + trafficState.NumberOfPacketReceived { + return true + } + } + return false +} + +func ShouldStopSeed(addons *Addons, trafficState *TrafficState) bool { + if len(addons.Duration) == 0 || len(strings.Split(addons.Duration, "-")) < 2 { + return true + } + start := strings.ToLower(strings.Split(addons.Duration, "-")[1]) + if len(start) == 0 { // infinite + return false + } + if strings.Contains(start, "b") { + start = strings.TrimRight(start, "b") + i, err := strconv.Atoi(start) + if err == nil && i > int(trafficState.ByteSent + trafficState.ByteSent) { + return false + } + } else { + i, err := strconv.Atoi(start) + if err == nil && i > trafficState.NumberOfPacketSent + trafficState.NumberOfPacketReceived { + return false + } + } + return true +} + diff --git a/proxy/vless/encoding/addons.go b/proxy/vless/encoding/addons.go index 526b9995..403ffe29 100644 --- a/proxy/vless/encoding/addons.go +++ b/proxy/vless/encoding/addons.go @@ -13,7 +13,7 @@ import ( "google.golang.org/protobuf/proto" ) -func EncodeHeaderAddons(buffer *buf.Buffer, addons *Addons) error { +func EncodeHeaderAddons(buffer *buf.Buffer, addons *proxy.Addons) error { if addons.Flow == vless.XRV || len(addons.Seed) > 0 { bytes, err := proto.Marshal(addons) if err != nil { @@ -33,8 +33,8 @@ func EncodeHeaderAddons(buffer *buf.Buffer, addons *Addons) error { return nil } -func DecodeHeaderAddons(buffer *buf.Buffer, reader io.Reader) (*Addons, error) { - addons := new(Addons) +func DecodeHeaderAddons(buffer *buf.Buffer, reader io.Reader) (*proxy.Addons, error) { + addons := new(proxy.Addons) buffer.Clear() if _, err := buffer.ReadFullFrom(reader, 1); err != nil { return nil, errors.New("failed to read addons protobuf length").Base(err) @@ -55,8 +55,8 @@ func DecodeHeaderAddons(buffer *buf.Buffer, reader io.Reader) (*Addons, error) { } // EncodeBodyAddons returns a Writer that auto-encrypt content written by caller. -func EncodeBodyAddons(writer buf.Writer, request *protocol.RequestHeader, requestAddons *Addons, state *proxy.TrafficState, context context.Context) buf.Writer { - w := proxy.NewVisionWriter(writer, state, context) +func EncodeBodyAddons(writer buf.Writer, request *protocol.RequestHeader, addons *proxy.Addons, state *proxy.TrafficState, context context.Context) buf.Writer { + w := proxy.NewVisionWriter(writer, addons, state, context) if request.Command == protocol.RequestCommandUDP { return NewMultiLengthPacketWriter(w) } @@ -64,8 +64,8 @@ func EncodeBodyAddons(writer buf.Writer, request *protocol.RequestHeader, reques } // DecodeBodyAddons returns a Reader from which caller can fetch decrypted body. -func DecodeBodyAddons(reader io.Reader, request *protocol.RequestHeader, addons *Addons, state *proxy.TrafficState, context context.Context) buf.Reader { - r := proxy.NewVisionReader(buf.NewReader(reader), state, context) +func DecodeBodyAddons(reader io.Reader, request *protocol.RequestHeader, addons *proxy.Addons, state *proxy.TrafficState, context context.Context) buf.Reader { + r := proxy.NewVisionReader(buf.NewReader(reader), addons, state, context) if request.Command == protocol.RequestCommandUDP { return NewLengthPacketReader(&buf.BufferedReader{Reader: r}) } @@ -178,32 +178,46 @@ func (r *LengthPacketReader) ReadMultiBuffer() (buf.MultiBuffer, error) { return mb, nil } -func PopulateSeed(seed string, addons *Addons) { +func PopulateSeed(seed string, addons *proxy.Addons) { if len(seed) > 0 { addons.Seed = []byte {1} // only turn on, more TBD - addons.Mode = SeedMode_PaddingPlusDelay + addons.Mode = proxy.SeedMode_PaddingPlusDelay addons.Duration = "0-8" - addons.Padding = &PaddingConfig{ + addons.Padding = &proxy.PaddingConfig{ RegularMin: 0, RegularMax: 256, LongMin: 900, LongMax: 1400, } - addons.Delay = &DelayConfig{ + addons.Delay = &proxy.DelayConfig{ IsRandom: true, MinMillis: 100, MaxMillis: 500, } - addons.Scheduler = &SchedulerConfig{ + addons.Scheduler = &proxy.SchedulerConfig{ TimeoutMillis: 600, } + } else if addons.Flow == vless.XRV { + addons.Seed = []byte {1} // only turn on, more TBD + addons.Mode = proxy.SeedMode_PaddingOnly + addons.Duration = "0-8" + addons.Padding = &proxy.PaddingConfig{ + RegularMin: 0, + RegularMax: 256, + LongMin: 900, + LongMax: 1400, + } } } -func CheckSeed(requestAddons *Addons, responseAddons *Addons) error { +func CheckSeed(requestAddons *proxy.Addons, responseAddons *proxy.Addons) error { if !bytes.Equal(requestAddons.Seed, responseAddons.Seed) { return errors.New("Seed bytes not match", requestAddons.Seed, responseAddons.Seed) } + if responseAddons.Flow == vless.XRV && len(responseAddons.Seed) == 0 && requestAddons.Mode == proxy.SeedMode_Unknown { + // old vision server config allow empty seed from clients for backwards compatibility + return nil + } if requestAddons.Mode != responseAddons.Mode { return errors.New("Mode not match", requestAddons.Mode, responseAddons.Mode) } diff --git a/proxy/vless/encoding/encoding.go b/proxy/vless/encoding/encoding.go index 8b067a96..3e4d8009 100644 --- a/proxy/vless/encoding/encoding.go +++ b/proxy/vless/encoding/encoding.go @@ -28,7 +28,7 @@ var addrParser = protocol.NewAddressParser( ) // EncodeRequestHeader writes encoded request header into the given writer. -func EncodeRequestHeader(writer io.Writer, request *protocol.RequestHeader, requestAddons *Addons) error { +func EncodeRequestHeader(writer io.Writer, request *protocol.RequestHeader, requestAddons *proxy.Addons) error { buffer := buf.StackNew() defer buffer.Release() @@ -62,7 +62,7 @@ func EncodeRequestHeader(writer io.Writer, request *protocol.RequestHeader, requ } // DecodeRequestHeader decodes and returns (if successful) a RequestHeader from an input stream. -func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validator vless.Validator) (*protocol.RequestHeader, *Addons, bool, error) { +func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validator vless.Validator) (*protocol.RequestHeader, *proxy.Addons, bool, error) { buffer := buf.StackNew() defer buffer.Release() @@ -131,7 +131,7 @@ func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validat } // EncodeResponseHeader writes encoded response header into the given writer. -func EncodeResponseHeader(writer io.Writer, request *protocol.RequestHeader, responseAddons *Addons) error { +func EncodeResponseHeader(writer io.Writer, request *protocol.RequestHeader, responseAddons *proxy.Addons) error { buffer := buf.StackNew() defer buffer.Release() @@ -151,7 +151,7 @@ func EncodeResponseHeader(writer io.Writer, request *protocol.RequestHeader, res } // DecodeResponseHeader decodes and returns (if successful) a ResponseHeader from an input stream. -func DecodeResponseHeader(reader io.Reader, request *protocol.RequestHeader) (*Addons, error) { +func DecodeResponseHeader(reader io.Reader, request *protocol.RequestHeader) (*proxy.Addons, error) { buffer := buf.StackNew() defer buffer.Release() diff --git a/proxy/vless/encoding/encoding_test.go b/proxy/vless/encoding/encoding_test.go index 9180154a..f832ec8e 100644 --- a/proxy/vless/encoding/encoding_test.go +++ b/proxy/vless/encoding/encoding_test.go @@ -9,6 +9,7 @@ import ( "github.com/xtls/xray-core/common/net" "github.com/xtls/xray-core/common/protocol" "github.com/xtls/xray-core/common/uuid" + "github.com/xtls/xray-core/proxy" "github.com/xtls/xray-core/proxy/vless" . "github.com/xtls/xray-core/proxy/vless/encoding" ) @@ -37,7 +38,7 @@ func TestRequestSerialization(t *testing.T) { Address: net.DomainAddress("www.example.com"), Port: net.Port(443), } - expectedAddons := &Addons{} + expectedAddons := &proxy.Addons{} buffer := buf.StackNew() common.Must(EncodeRequestHeader(&buffer, expectedRequest, expectedAddons)) @@ -52,7 +53,7 @@ func TestRequestSerialization(t *testing.T) { t.Error(r) } - addonsComparer := func(x, y *Addons) bool { + addonsComparer := func(x, y *proxy.Addons) bool { return (x.Flow == y.Flow) && (cmp.Equal(x.Seed, y.Seed)) } if r := cmp.Diff(actualAddons, expectedAddons, cmp.Comparer(addonsComparer)); r != "" { @@ -78,7 +79,7 @@ func TestInvalidRequest(t *testing.T) { Address: net.DomainAddress("www.example.com"), Port: net.Port(443), } - expectedAddons := &Addons{} + expectedAddons := &proxy.Addons{} buffer := buf.StackNew() common.Must(EncodeRequestHeader(&buffer, expectedRequest, expectedAddons)) @@ -109,7 +110,7 @@ func TestMuxRequest(t *testing.T) { Command: protocol.RequestCommandMux, Address: net.DomainAddress("v1.mux.cool"), } - expectedAddons := &Addons{} + expectedAddons := &proxy.Addons{} buffer := buf.StackNew() common.Must(EncodeRequestHeader(&buffer, expectedRequest, expectedAddons)) @@ -124,7 +125,7 @@ func TestMuxRequest(t *testing.T) { t.Error(r) } - addonsComparer := func(x, y *Addons) bool { + addonsComparer := func(x, y *proxy.Addons) bool { return (x.Flow == y.Flow) && (cmp.Equal(x.Seed, y.Seed)) } if r := cmp.Diff(actualAddons, expectedAddons, cmp.Comparer(addonsComparer)); r != "" { diff --git a/proxy/vless/inbound/inbound.go b/proxy/vless/inbound/inbound.go index 9e2f7677..27e0ccef 100644 --- a/proxy/vless/inbound/inbound.go +++ b/proxy/vless/inbound/inbound.go @@ -215,7 +215,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s } var request *protocol.RequestHeader - var requestAddons *encoding.Addons + var requestAddons *proxy.Addons var err error napfb := h.fallbacks @@ -455,7 +455,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s account := request.User.Account.(*vless.MemoryAccount) - responseAddons := &encoding.Addons{ + responseAddons := &proxy.Addons{ // Flow: requestAddons.Flow, } encoding.PopulateSeed(account.Seed, responseAddons) @@ -536,7 +536,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s defer timer.SetTimeout(sessionPolicy.Timeouts.DownlinkOnly) // default: clientReader := reader - clientReader := encoding.DecodeBodyAddons(reader, request, requestAddons, trafficState, ctx) + clientReader := encoding.DecodeBodyAddons(reader, request, responseAddons, trafficState, ctx) var err error @@ -564,7 +564,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s } // default: clientWriter := bufferWriter - clientWriter := encoding.EncodeBodyAddons(bufferWriter, request, requestAddons, trafficState, ctx) + clientWriter := encoding.EncodeBodyAddons(bufferWriter, request, responseAddons, trafficState, ctx) multiBuffer, err1 := serverReader.ReadMultiBuffer() if err1 != nil { return err1 // ... diff --git a/proxy/vless/outbound/outbound.go b/proxy/vless/outbound/outbound.go index 11f7d622..ff188836 100644 --- a/proxy/vless/outbound/outbound.go +++ b/proxy/vless/outbound/outbound.go @@ -116,7 +116,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte account := request.User.Account.(*vless.MemoryAccount) - requestAddons := &encoding.Addons{ + requestAddons := &proxy.Addons{ Flow: account.Flow, } encoding.PopulateSeed(account.Seed, requestAddons)