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This commit is contained in:
RPRX 2020-11-25 19:01:53 +08:00
parent 47d23e9972
commit c7f7c08ead
711 changed files with 82154 additions and 2 deletions
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40
proxy/vless/account.go Normal file
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@ -0,0 +1,40 @@
// +build !confonly
package vless
import (
"github.com/xtls/xray-core/v1/common/protocol"
"github.com/xtls/xray-core/v1/common/uuid"
)
// AsAccount implements protocol.Account.AsAccount().
func (a *Account) AsAccount() (protocol.Account, error) {
id, err := uuid.ParseString(a.Id)
if err != nil {
return nil, newError("failed to parse ID").Base(err).AtError()
}
return &MemoryAccount{
ID: protocol.NewID(id),
Flow: a.Flow, // needs parser here?
Encryption: a.Encryption, // needs parser here?
}, nil
}
// MemoryAccount is an in-memory form of VLess account.
type MemoryAccount struct {
// ID of the account.
ID *protocol.ID
// Flow of the account. May be "xtls-rprx-direct".
Flow string
// Encryption of the account. Used for client connections, and only accepts "none" for now.
Encryption string
}
// Equals implements protocol.Account.Equals().
func (a *MemoryAccount) Equals(account protocol.Account) bool {
vlessAccount, ok := account.(*MemoryAccount)
if !ok {
return false
}
return a.ID.Equals(vlessAccount.ID)
}

174
proxy/vless/account.pb.go Normal file
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// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.14.0
// source: proxy/vless/account.proto
package vless
import (
proto "github.com/golang/protobuf/proto"
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)
)
// This is a compile-time assertion that a sufficiently up-to-date version
// of the legacy proto package is being used.
const _ = proto.ProtoPackageIsVersion4
type Account struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// ID of the account, in the form of a UUID, e.g., "66ad4540-b58c-4ad2-9926-ea63445a9b57".
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
// Flow settings. May be "xtls-rprx-direct".
Flow string `protobuf:"bytes,2,opt,name=flow,proto3" json:"flow,omitempty"`
// Encryption settings. Only applies to client side, and only accepts "none" for now.
Encryption string `protobuf:"bytes,3,opt,name=encryption,proto3" json:"encryption,omitempty"`
}
func (x *Account) Reset() {
*x = Account{}
if protoimpl.UnsafeEnabled {
mi := &file_proxy_vless_account_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Account) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Account) ProtoMessage() {}
func (x *Account) ProtoReflect() protoreflect.Message {
mi := &file_proxy_vless_account_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 Account.ProtoReflect.Descriptor instead.
func (*Account) Descriptor() ([]byte, []int) {
return file_proxy_vless_account_proto_rawDescGZIP(), []int{0}
}
func (x *Account) GetId() string {
if x != nil {
return x.Id
}
return ""
}
func (x *Account) GetFlow() string {
if x != nil {
return x.Flow
}
return ""
}
func (x *Account) GetEncryption() string {
if x != nil {
return x.Encryption
}
return ""
}
var File_proxy_vless_account_proto protoreflect.FileDescriptor
var file_proxy_vless_account_proto_rawDesc = []byte{
0x0a, 0x19, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x76, 0x6c, 0x65, 0x73, 0x73, 0x2f, 0x61, 0x63,
0x63, 0x6f, 0x75, 0x6e, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x10, 0x78, 0x72, 0x61,
0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x76, 0x6c, 0x65, 0x73, 0x73, 0x22, 0x4d, 0x0a,
0x07, 0x41, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01,
0x20, 0x01, 0x28, 0x09, 0x52, 0x02, 0x69, 0x64, 0x12, 0x12, 0x0a, 0x04, 0x66, 0x6c, 0x6f, 0x77,
0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x66, 0x6c, 0x6f, 0x77, 0x12, 0x1e, 0x0a, 0x0a,
0x65, 0x6e, 0x63, 0x72, 0x79, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09,
0x52, 0x0a, 0x65, 0x6e, 0x63, 0x72, 0x79, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x42, 0x55, 0x0a, 0x14,
0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x76,
0x6c, 0x65, 0x73, 0x73, 0x50, 0x01, 0x5a, 0x28, 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, 0x76, 0x31, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x76, 0x6c, 0x65, 0x73, 0x73,
0xaa, 0x02, 0x10, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x56, 0x6c,
0x65, 0x73, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}
var (
file_proxy_vless_account_proto_rawDescOnce sync.Once
file_proxy_vless_account_proto_rawDescData = file_proxy_vless_account_proto_rawDesc
)
func file_proxy_vless_account_proto_rawDescGZIP() []byte {
file_proxy_vless_account_proto_rawDescOnce.Do(func() {
file_proxy_vless_account_proto_rawDescData = protoimpl.X.CompressGZIP(file_proxy_vless_account_proto_rawDescData)
})
return file_proxy_vless_account_proto_rawDescData
}
var file_proxy_vless_account_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
var file_proxy_vless_account_proto_goTypes = []interface{}{
(*Account)(nil), // 0: xray.proxy.vless.Account
}
var file_proxy_vless_account_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_proxy_vless_account_proto_init() }
func file_proxy_vless_account_proto_init() {
if File_proxy_vless_account_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_proxy_vless_account_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Account); 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_vless_account_proto_rawDesc,
NumEnums: 0,
NumMessages: 1,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_proxy_vless_account_proto_goTypes,
DependencyIndexes: file_proxy_vless_account_proto_depIdxs,
MessageInfos: file_proxy_vless_account_proto_msgTypes,
}.Build()
File_proxy_vless_account_proto = out.File
file_proxy_vless_account_proto_rawDesc = nil
file_proxy_vless_account_proto_goTypes = nil
file_proxy_vless_account_proto_depIdxs = nil
}

16
proxy/vless/account.proto Normal file
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@ -0,0 +1,16 @@
syntax = "proto3";
package xray.proxy.vless;
option csharp_namespace = "Xray.Proxy.Vless";
option go_package = "github.com/xtls/xray-core/v1/proxy/vless";
option java_package = "com.xray.proxy.vless";
option java_multiple_files = true;
message Account {
// ID of the account, in the form of a UUID, e.g., "66ad4540-b58c-4ad2-9926-ea63445a9b57".
string id = 1;
// Flow settings. May be "xtls-rprx-direct".
string flow = 2;
// Encryption settings. Only applies to client side, and only accepts "none" for now.
string encryption = 3;
}

189
proxy/vless/encoding/addons.go Normal file
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@ -0,0 +1,189 @@
// +build !confonly
package encoding
import (
"io"
"github.com/golang/protobuf/proto"
"github.com/xtls/xray-core/v1/common/buf"
"github.com/xtls/xray-core/v1/common/protocol"
"github.com/xtls/xray-core/v1/proxy/vless"
)
func EncodeHeaderAddons(buffer *buf.Buffer, addons *Addons) error {
switch addons.Flow {
case vless.XRO, vless.XRD:
bytes, err := proto.Marshal(addons)
if err != nil {
return newError("failed to marshal addons protobuf value").Base(err)
}
if err := buffer.WriteByte(byte(len(bytes))); err != nil {
return newError("failed to write addons protobuf length").Base(err)
}
if _, err := buffer.Write(bytes); err != nil {
return newError("failed to write addons protobuf value").Base(err)
}
default:
if err := buffer.WriteByte(0); err != nil {
return newError("failed to write addons protobuf length").Base(err)
}
}
return nil
}
func DecodeHeaderAddons(buffer *buf.Buffer, reader io.Reader) (*Addons, error) {
addons := new(Addons)
buffer.Clear()
if _, err := buffer.ReadFullFrom(reader, 1); err != nil {
return nil, newError("failed to read addons protobuf length").Base(err)
}
if length := int32(buffer.Byte(0)); length != 0 {
buffer.Clear()
if _, err := buffer.ReadFullFrom(reader, length); err != nil {
return nil, newError("failed to read addons protobuf value").Base(err)
}
if err := proto.Unmarshal(buffer.Bytes(), addons); err != nil {
return nil, newError("failed to unmarshal addons protobuf value").Base(err)
}
// Verification.
switch addons.Flow {
default:
}
}
return addons, nil
}
// EncodeBodyAddons returns a Writer that auto-encrypt content written by caller.
func EncodeBodyAddons(writer io.Writer, request *protocol.RequestHeader, addons *Addons) buf.Writer {
switch addons.Flow {
default:
if request.Command == protocol.RequestCommandUDP {
return NewMultiLengthPacketWriter(writer.(buf.Writer))
}
}
return buf.NewWriter(writer)
}
// DecodeBodyAddons returns a Reader from which caller can fetch decrypted body.
func DecodeBodyAddons(reader io.Reader, request *protocol.RequestHeader, addons *Addons) buf.Reader {
switch addons.Flow {
default:
if request.Command == protocol.RequestCommandUDP {
return NewLengthPacketReader(reader)
}
}
return buf.NewReader(reader)
}
func NewMultiLengthPacketWriter(writer buf.Writer) *MultiLengthPacketWriter {
return &MultiLengthPacketWriter{
Writer: writer,
}
}
type MultiLengthPacketWriter struct {
buf.Writer
}
func (w *MultiLengthPacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
defer buf.ReleaseMulti(mb)
mb2Write := make(buf.MultiBuffer, 0, len(mb)+1)
for _, b := range mb {
length := b.Len()
if length == 0 || length+2 > buf.Size {
continue
}
eb := buf.New()
if err := eb.WriteByte(byte(length >> 8)); err != nil {
eb.Release()
continue
}
if err := eb.WriteByte(byte(length)); err != nil {
eb.Release()
continue
}
if _, err := eb.Write(b.Bytes()); err != nil {
eb.Release()
continue
}
mb2Write = append(mb2Write, eb)
}
if mb2Write.IsEmpty() {
return nil
}
return w.Writer.WriteMultiBuffer(mb2Write)
}
func NewLengthPacketWriter(writer io.Writer) *LengthPacketWriter {
return &LengthPacketWriter{
Writer: writer,
cache: make([]byte, 0, 65536),
}
}
type LengthPacketWriter struct {
io.Writer
cache []byte
}
func (w *LengthPacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
length := mb.Len() // none of mb is nil
// fmt.Println("Write", length)
if length == 0 {
return nil
}
defer func() {
w.cache = w.cache[:0]
}()
w.cache = append(w.cache, byte(length>>8), byte(length))
for i, b := range mb {
w.cache = append(w.cache, b.Bytes()...)
b.Release()
mb[i] = nil
}
if _, err := w.Write(w.cache); err != nil {
return newError("failed to write a packet").Base(err)
}
return nil
}
func NewLengthPacketReader(reader io.Reader) *LengthPacketReader {
return &LengthPacketReader{
Reader: reader,
cache: make([]byte, 2),
}
}
type LengthPacketReader struct {
io.Reader
cache []byte
}
func (r *LengthPacketReader) ReadMultiBuffer() (buf.MultiBuffer, error) {
if _, err := io.ReadFull(r.Reader, r.cache); err != nil { // maybe EOF
return nil, newError("failed to read packet length").Base(err)
}
length := int32(r.cache[0])<<8 | int32(r.cache[1])
// fmt.Println("Read", length)
mb := make(buf.MultiBuffer, 0, length/buf.Size+1)
for length > 0 {
size := length
if size > buf.Size {
size = buf.Size
}
length -= size
b := buf.New()
if _, err := b.ReadFullFrom(r.Reader, size); err != nil {
return nil, newError("failed to read packet payload").Base(err)
}
mb = append(mb, b)
}
return mb, nil
}

384
proxy/vless/encoding/addons.pb.go Normal file
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@ -0,0 +1,384 @@
// Code generated by protoc-gen-gogo. DO NOT EDIT.
// source: proxy/vless/encoding/addons.proto
package encoding
import (
fmt "fmt"
proto "github.com/golang/protobuf/proto"
io "io"
math "math"
math_bits "math/bits"
)
// 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.ProtoPackageIsVersion3 // please upgrade the proto package
type Addons struct {
Flow string `protobuf:"bytes,1,opt,name=Flow,proto3" json:"Flow,omitempty"`
Seed []byte `protobuf:"bytes,2,opt,name=Seed,proto3" json:"Seed,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Addons) Reset() { *m = Addons{} }
func (m *Addons) String() string { return proto.CompactTextString(m) }
func (*Addons) ProtoMessage() {}
func (*Addons) Descriptor() ([]byte, []int) {
return fileDescriptor_75ab671b0ca8b1cc, []int{0}
}
func (m *Addons) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
}
func (m *Addons) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
if deterministic {
return xxx_messageInfo_Addons.Marshal(b, m, deterministic)
} else {
b = b[:cap(b)]
n, err := m.MarshalToSizedBuffer(b)
if err != nil {
return nil, err
}
return b[:n], nil
}
}
func (m *Addons) XXX_Merge(src proto.Message) {
xxx_messageInfo_Addons.Merge(m, src)
}
func (m *Addons) XXX_Size() int {
return m.Size()
}
func (m *Addons) XXX_DiscardUnknown() {
xxx_messageInfo_Addons.DiscardUnknown(m)
}
var xxx_messageInfo_Addons proto.InternalMessageInfo
func (m *Addons) GetFlow() string {
if m != nil {
return m.Flow
}
return ""
}
func (m *Addons) GetSeed() []byte {
if m != nil {
return m.Seed
}
return nil
}
func init() {
proto.RegisterType((*Addons)(nil), "xray.proxy.vless.encoding.Addons")
}
func init() { proto.RegisterFile("proxy/vless/encoding/addons.proto", fileDescriptor_75ab671b0ca8b1cc) }
var fileDescriptor_75ab671b0ca8b1cc = []byte{
// 195 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x52, 0x2c, 0x28, 0xca, 0xaf,
0xa8, 0xd4, 0x2f, 0xcb, 0x49, 0x2d, 0x2e, 0xd6, 0x4f, 0xcd, 0x4b, 0xce, 0x4f, 0xc9, 0xcc, 0x4b,
0xd7, 0x4f, 0x4c, 0x49, 0xc9, 0xcf, 0x2b, 0xd6, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0x92, 0xac,
0x28, 0x4a, 0xac, 0xd4, 0x03, 0xab, 0xd3, 0x03, 0xab, 0xd3, 0x83, 0xa9, 0x53, 0x32, 0xe0, 0x62,
0x73, 0x04, 0x2b, 0x15, 0x12, 0xe2, 0x62, 0x71, 0xcb, 0xc9, 0x2f, 0x97, 0x60, 0x54, 0x60, 0xd4,
0xe0, 0x0c, 0x02, 0xb3, 0x41, 0x62, 0xc1, 0xa9, 0xa9, 0x29, 0x12, 0x4c, 0x0a, 0x8c, 0x1a, 0x3c,
0x41, 0x60, 0xb6, 0x53, 0x03, 0xe3, 0x89, 0x47, 0x72, 0x8c, 0x17, 0x1e, 0xc9, 0x31, 0x3e, 0x78,
0x24, 0xc7, 0x38, 0xe3, 0xb1, 0x1c, 0x03, 0x97, 0x6c, 0x72, 0x7e, 0xae, 0x1e, 0x4e, 0x3b, 0x02,
0x18, 0xa3, 0x0c, 0xd3, 0x33, 0x4b, 0x32, 0x4a, 0x93, 0xf4, 0x92, 0xf3, 0x73, 0xf5, 0x2b, 0x4a,
0x72, 0x8a, 0xf5, 0x41, 0x8a, 0x75, 0x93, 0xf3, 0x8b, 0x52, 0xf5, 0xcb, 0x0c, 0xf5, 0xb1, 0x79,
0x60, 0x15, 0x93, 0x64, 0x04, 0xc8, 0xc0, 0x00, 0xb0, 0x81, 0x61, 0x60, 0x03, 0x5d, 0xa1, 0x72,
0x49, 0x6c, 0x60, 0x6f, 0x19, 0x03, 0x02, 0x00, 0x00, 0xff, 0xff, 0xda, 0x20, 0x32, 0x3e, 0xfb,
0x00, 0x00, 0x00,
}
func (m *Addons) Marshal() (dAtA []byte, err error) {
size := m.Size()
dAtA = make([]byte, size)
n, err := m.MarshalToSizedBuffer(dAtA[:size])
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *Addons) MarshalTo(dAtA []byte) (int, error) {
size := m.Size()
return m.MarshalToSizedBuffer(dAtA[:size])
}
func (m *Addons) MarshalToSizedBuffer(dAtA []byte) (int, error) {
i := len(dAtA)
_ = i
var l int
_ = l
if m.XXX_unrecognized != nil {
i -= len(m.XXX_unrecognized)
copy(dAtA[i:], m.XXX_unrecognized)
}
if len(m.Seed) > 0 {
i -= len(m.Seed)
copy(dAtA[i:], m.Seed)
i = encodeVarintAddons(dAtA, i, uint64(len(m.Seed)))
i--
dAtA[i] = 0x12
}
if len(m.Flow) > 0 {
i -= len(m.Flow)
copy(dAtA[i:], m.Flow)
i = encodeVarintAddons(dAtA, i, uint64(len(m.Flow)))
i--
dAtA[i] = 0xa
}
return len(dAtA) - i, nil
}
func encodeVarintAddons(dAtA []byte, offset int, v uint64) int {
offset -= sovAddons(v)
base := offset
for v >= 1<<7 {
dAtA[offset] = uint8(v&0x7f | 0x80)
v >>= 7
offset++
}
dAtA[offset] = uint8(v)
return base
}
func (m *Addons) Size() (n int) {
if m == nil {
return 0
}
var l int
_ = l
l = len(m.Flow)
if l > 0 {
n += 1 + l + sovAddons(uint64(l))
}
l = len(m.Seed)
if l > 0 {
n += 1 + l + sovAddons(uint64(l))
}
if m.XXX_unrecognized != nil {
n += len(m.XXX_unrecognized)
}
return n
}
func sovAddons(x uint64) (n int) {
return (math_bits.Len64(x|1) + 6) / 7
}
func sozAddons(x uint64) (n int) {
return sovAddons(uint64((x << 1) ^ uint64((int64(x) >> 63))))
}
func (m *Addons) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowAddons
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: Addons: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: Addons: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Flow", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowAddons
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthAddons
}
postIndex := iNdEx + intStringLen
if postIndex < 0 {
return ErrInvalidLengthAddons
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Flow = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Seed", wireType)
}
var byteLen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowAddons
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
byteLen |= int(b&0x7F) << shift
if b < 0x80 {
break
}
}
if byteLen < 0 {
return ErrInvalidLengthAddons
}
postIndex := iNdEx + byteLen
if postIndex < 0 {
return ErrInvalidLengthAddons
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Seed = append(m.Seed[:0], dAtA[iNdEx:postIndex]...)
if m.Seed == nil {
m.Seed = []byte{}
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipAddons(dAtA[iNdEx:])
if err != nil {
return err
}
if skippy < 0 {
return ErrInvalidLengthAddons
}
if (iNdEx + skippy) < 0 {
return ErrInvalidLengthAddons
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func skipAddons(dAtA []byte) (n int, err error) {
l := len(dAtA)
iNdEx := 0
depth := 0
for iNdEx < l {
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflowAddons
}
if iNdEx >= l {
return 0, io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
wireType := int(wire & 0x7)
switch wireType {
case 0:
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflowAddons
}
if iNdEx >= l {
return 0, io.ErrUnexpectedEOF
}
iNdEx++
if dAtA[iNdEx-1] < 0x80 {
break
}
}
case 1:
iNdEx += 8
case 2:
var length int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflowAddons
}
if iNdEx >= l {
return 0, io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
length |= (int(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
if length < 0 {
return 0, ErrInvalidLengthAddons
}
iNdEx += length
case 3:
depth++
case 4:
if depth == 0 {
return 0, ErrUnexpectedEndOfGroupAddons
}
depth--
case 5:
iNdEx += 4
default:
return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
}
if iNdEx < 0 {
return 0, ErrInvalidLengthAddons
}
if depth == 0 {
return iNdEx, nil
}
}
return 0, io.ErrUnexpectedEOF
}
var (
ErrInvalidLengthAddons = fmt.Errorf("proto: negative length found during unmarshaling")
ErrIntOverflowAddons = fmt.Errorf("proto: integer overflow")
ErrUnexpectedEndOfGroupAddons = fmt.Errorf("proto: unexpected end of group")
)

12
proxy/vless/encoding/addons.proto Normal file
View file

@ -0,0 +1,12 @@
syntax = "proto3";
package xray.proxy.vless.encoding;
option csharp_namespace = "Xray.Proxy.Vless.Encoding";
option go_package = "github.com/xtls/xray-core/v1/proxy/vless/encoding";
option java_package = "com.xray.proxy.vless.encoding";
option java_multiple_files = true;
message Addons {
string Flow = 1;
bytes Seed = 2;
}

208
proxy/vless/encoding/encoding.go Normal file
View file

@ -0,0 +1,208 @@
// +build !confonly
package encoding
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"fmt"
"io"
"syscall"
"github.com/xtls/xray-core/v1/common/buf"
"github.com/xtls/xray-core/v1/common/errors"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/protocol"
"github.com/xtls/xray-core/v1/common/signal"
"github.com/xtls/xray-core/v1/features/stats"
"github.com/xtls/xray-core/v1/proxy/vless"
"github.com/xtls/xray-core/v1/transport/internet/xtls"
)
const (
Version = byte(0)
)
var addrParser = protocol.NewAddressParser(
protocol.AddressFamilyByte(byte(protocol.AddressTypeIPv4), net.AddressFamilyIPv4),
protocol.AddressFamilyByte(byte(protocol.AddressTypeDomain), net.AddressFamilyDomain),
protocol.AddressFamilyByte(byte(protocol.AddressTypeIPv6), net.AddressFamilyIPv6),
protocol.PortThenAddress(),
)
// EncodeRequestHeader writes encoded request header into the given writer.
func EncodeRequestHeader(writer io.Writer, request *protocol.RequestHeader, requestAddons *Addons) error {
buffer := buf.StackNew()
defer buffer.Release()
if err := buffer.WriteByte(request.Version); err != nil {
return newError("failed to write request version").Base(err)
}
if _, err := buffer.Write(request.User.Account.(*vless.MemoryAccount).ID.Bytes()); err != nil {
return newError("failed to write request user id").Base(err)
}
if err := EncodeHeaderAddons(&buffer, requestAddons); err != nil {
return newError("failed to encode request header addons").Base(err)
}
if err := buffer.WriteByte(byte(request.Command)); err != nil {
return newError("failed to write request command").Base(err)
}
if request.Command != protocol.RequestCommandMux {
if err := addrParser.WriteAddressPort(&buffer, request.Address, request.Port); err != nil {
return newError("failed to write request address and port").Base(err)
}
}
if _, err := writer.Write(buffer.Bytes()); err != nil {
return newError("failed to write request header").Base(err)
}
return nil
}
// 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) {
buffer := buf.StackNew()
defer buffer.Release()
request := new(protocol.RequestHeader)
if isfb {
request.Version = first.Byte(0)
} else {
if _, err := buffer.ReadFullFrom(reader, 1); err != nil {
return nil, nil, false, newError("failed to read request version").Base(err)
}
request.Version = buffer.Byte(0)
}
switch request.Version {
case 0:
var id [16]byte
if isfb {
copy(id[:], first.BytesRange(1, 17))
} else {
buffer.Clear()
if _, err := buffer.ReadFullFrom(reader, 16); err != nil {
return nil, nil, false, newError("failed to read request user id").Base(err)
}
copy(id[:], buffer.Bytes())
}
if request.User = validator.Get(id); request.User == nil {
return nil, nil, isfb, newError("invalid request user id")
}
if isfb {
first.Advance(17)
}
requestAddons, err := DecodeHeaderAddons(&buffer, reader)
if err != nil {
return nil, nil, false, newError("failed to decode request header addons").Base(err)
}
buffer.Clear()
if _, err := buffer.ReadFullFrom(reader, 1); err != nil {
return nil, nil, false, newError("failed to read request command").Base(err)
}
request.Command = protocol.RequestCommand(buffer.Byte(0))
switch request.Command {
case protocol.RequestCommandMux:
request.Address = net.DomainAddress("v1.mux.cool")
request.Port = 0
case protocol.RequestCommandTCP, protocol.RequestCommandUDP:
if addr, port, err := addrParser.ReadAddressPort(&buffer, reader); err == nil {
request.Address = addr
request.Port = port
}
}
if request.Address == nil {
return nil, nil, false, newError("invalid request address")
}
return request, requestAddons, false, nil
default:
return nil, nil, isfb, newError("invalid request version")
}
}
// EncodeResponseHeader writes encoded response header into the given writer.
func EncodeResponseHeader(writer io.Writer, request *protocol.RequestHeader, responseAddons *Addons) error {
buffer := buf.StackNew()
defer buffer.Release()
if err := buffer.WriteByte(request.Version); err != nil {
return newError("failed to write response version").Base(err)
}
if err := EncodeHeaderAddons(&buffer, responseAddons); err != nil {
return newError("failed to encode response header addons").Base(err)
}
if _, err := writer.Write(buffer.Bytes()); err != nil {
return newError("failed to write response header").Base(err)
}
return nil
}
// DecodeResponseHeader decodes and returns (if successful) a ResponseHeader from an input stream.
func DecodeResponseHeader(reader io.Reader, request *protocol.RequestHeader) (*Addons, error) {
buffer := buf.StackNew()
defer buffer.Release()
if _, err := buffer.ReadFullFrom(reader, 1); err != nil {
return nil, newError("failed to read response version").Base(err)
}
if buffer.Byte(0) != request.Version {
return nil, newError("unexpected response version. Expecting ", int(request.Version), " but actually ", int(buffer.Byte(0)))
}
responseAddons, err := DecodeHeaderAddons(&buffer, reader)
if err != nil {
return nil, newError("failed to decode response header addons").Base(err)
}
return responseAddons, nil
}
func ReadV(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater, conn *xtls.Conn, rawConn syscall.RawConn, counter stats.Counter) error {
err := func() error {
var ct stats.Counter
for {
if conn.DirectIn {
conn.DirectIn = false
reader = buf.NewReadVReader(conn.Connection, rawConn)
ct = counter
if conn.SHOW {
fmt.Println(conn.MARK, "ReadV")
}
}
buffer, err := reader.ReadMultiBuffer()
if !buffer.IsEmpty() {
if ct != nil {
ct.Add(int64(buffer.Len()))
}
timer.Update()
if werr := writer.WriteMultiBuffer(buffer); werr != nil {
return werr
}
}
if err != nil {
return err
}
}
}()
if err != nil && errors.Cause(err) != io.EOF {
return err
}
return nil
}

126
proxy/vless/encoding/encoding_test.go Normal file
View file

@ -0,0 +1,126 @@
package encoding_test
import (
"testing"
"github.com/google/go-cmp/cmp"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/buf"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/protocol"
"github.com/xtls/xray-core/v1/common/uuid"
"github.com/xtls/xray-core/v1/proxy/vless"
. "github.com/xtls/xray-core/v1/proxy/vless/encoding"
)
func toAccount(a *vless.Account) protocol.Account {
account, err := a.AsAccount()
common.Must(err)
return account
}
func TestRequestSerialization(t *testing.T) {
user := &protocol.MemoryUser{
Level: 0,
Email: "test@example.com",
}
id := uuid.New()
account := &vless.Account{
Id: id.String(),
}
user.Account = toAccount(account)
expectedRequest := &protocol.RequestHeader{
Version: Version,
User: user,
Command: protocol.RequestCommandTCP,
Address: net.DomainAddress("www.example.com"),
Port: net.Port(443),
}
expectedAddons := &Addons{}
buffer := buf.StackNew()
common.Must(EncodeRequestHeader(&buffer, expectedRequest, expectedAddons))
Validator := new(vless.Validator)
Validator.Add(user)
actualRequest, actualAddons, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
common.Must(err)
if r := cmp.Diff(actualRequest, expectedRequest, cmp.AllowUnexported(protocol.ID{})); r != "" {
t.Error(r)
}
if r := cmp.Diff(actualAddons, expectedAddons); r != "" {
t.Error(r)
}
}
func TestInvalidRequest(t *testing.T) {
user := &protocol.MemoryUser{
Level: 0,
Email: "test@example.com",
}
id := uuid.New()
account := &vless.Account{
Id: id.String(),
}
user.Account = toAccount(account)
expectedRequest := &protocol.RequestHeader{
Version: Version,
User: user,
Command: protocol.RequestCommand(100),
Address: net.DomainAddress("www.example.com"),
Port: net.Port(443),
}
expectedAddons := &Addons{}
buffer := buf.StackNew()
common.Must(EncodeRequestHeader(&buffer, expectedRequest, expectedAddons))
Validator := new(vless.Validator)
Validator.Add(user)
_, _, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
if err == nil {
t.Error("nil error")
}
}
func TestMuxRequest(t *testing.T) {
user := &protocol.MemoryUser{
Level: 0,
Email: "test@example.com",
}
id := uuid.New()
account := &vless.Account{
Id: id.String(),
}
user.Account = toAccount(account)
expectedRequest := &protocol.RequestHeader{
Version: Version,
User: user,
Command: protocol.RequestCommandMux,
Address: net.DomainAddress("v1.mux.cool"),
}
expectedAddons := &Addons{}
buffer := buf.StackNew()
common.Must(EncodeRequestHeader(&buffer, expectedRequest, expectedAddons))
Validator := new(vless.Validator)
Validator.Add(user)
actualRequest, actualAddons, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
common.Must(err)
if r := cmp.Diff(actualRequest, expectedRequest, cmp.AllowUnexported(protocol.ID{})); r != "" {
t.Error(r)
}
if r := cmp.Diff(actualAddons, expectedAddons); r != "" {
t.Error(r)
}
}

9
proxy/vless/encoding/errors.generated.go Normal file
View file

@ -0,0 +1,9 @@
package encoding
import "github.com/xtls/xray-core/v1/common/errors"
type errPathObjHolder struct{}
func newError(values ...interface{}) *errors.Error {
return errors.New(values...).WithPathObj(errPathObjHolder{})
}

9
proxy/vless/errors.generated.go Normal file
View file

@ -0,0 +1,9 @@
package vless
import "github.com/xtls/xray-core/v1/common/errors"
type errPathObjHolder struct{}
func newError(values ...interface{}) *errors.Error {
return errors.New(values...).WithPathObj(errPathObjHolder{})
}

3
proxy/vless/inbound/config.go Normal file
View file

@ -0,0 +1,3 @@
// +build !confonly
package inbound

286
proxy/vless/inbound/config.pb.go Normal file
View file

@ -0,0 +1,286 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.14.0
// source: proxy/vless/inbound/config.proto
package inbound
import (
proto "github.com/golang/protobuf/proto"
protocol "github.com/xtls/xray-core/v1/common/protocol"
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)
)
// This is a compile-time assertion that a sufficiently up-to-date version
// of the legacy proto package is being used.
const _ = proto.ProtoPackageIsVersion4
type Fallback struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Alpn string `protobuf:"bytes,1,opt,name=alpn,proto3" json:"alpn,omitempty"`
Path string `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
Type string `protobuf:"bytes,3,opt,name=type,proto3" json:"type,omitempty"`
Dest string `protobuf:"bytes,4,opt,name=dest,proto3" json:"dest,omitempty"`
Xver uint64 `protobuf:"varint,5,opt,name=xver,proto3" json:"xver,omitempty"`
}
func (x *Fallback) Reset() {
*x = Fallback{}
if protoimpl.UnsafeEnabled {
mi := &file_proxy_vless_inbound_config_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Fallback) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Fallback) ProtoMessage() {}
func (x *Fallback) ProtoReflect() protoreflect.Message {
mi := &file_proxy_vless_inbound_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 Fallback.ProtoReflect.Descriptor instead.
func (*Fallback) Descriptor() ([]byte, []int) {
return file_proxy_vless_inbound_config_proto_rawDescGZIP(), []int{0}
}
func (x *Fallback) GetAlpn() string {
if x != nil {
return x.Alpn
}
return ""
}
func (x *Fallback) GetPath() string {
if x != nil {
return x.Path
}
return ""
}
func (x *Fallback) GetType() string {
if x != nil {
return x.Type
}
return ""
}
func (x *Fallback) GetDest() string {
if x != nil {
return x.Dest
}
return ""
}
func (x *Fallback) GetXver() uint64 {
if x != nil {
return x.Xver
}
return 0
}
type Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Clients []*protocol.User `protobuf:"bytes,1,rep,name=clients,proto3" json:"clients,omitempty"`
// Decryption settings. Only applies to server side, and only accepts "none"
// for now.
Decryption string `protobuf:"bytes,2,opt,name=decryption,proto3" json:"decryption,omitempty"`
Fallbacks []*Fallback `protobuf:"bytes,3,rep,name=fallbacks,proto3" json:"fallbacks,omitempty"`
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_proxy_vless_inbound_config_proto_msgTypes[1]
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_proxy_vless_inbound_config_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 Config.ProtoReflect.Descriptor instead.
func (*Config) Descriptor() ([]byte, []int) {
return file_proxy_vless_inbound_config_proto_rawDescGZIP(), []int{1}
}
func (x *Config) GetClients() []*protocol.User {
if x != nil {
return x.Clients
}
return nil
}
func (x *Config) GetDecryption() string {
if x != nil {
return x.Decryption
}
return ""
}
func (x *Config) GetFallbacks() []*Fallback {
if x != nil {
return x.Fallbacks
}
return nil
}
var File_proxy_vless_inbound_config_proto protoreflect.FileDescriptor
var file_proxy_vless_inbound_config_proto_rawDesc = []byte{
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0x79, 0x2f, 0x76, 0x6c, 0x65, 0x73, 0x73, 0x2f, 0x69, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0xaa,
0x02, 0x18, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x56, 0x6c, 0x65,
0x73, 0x73, 0x2e, 0x49, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
0x6f, 0x33,
}
var (
file_proxy_vless_inbound_config_proto_rawDescOnce sync.Once
file_proxy_vless_inbound_config_proto_rawDescData = file_proxy_vless_inbound_config_proto_rawDesc
)
func file_proxy_vless_inbound_config_proto_rawDescGZIP() []byte {
file_proxy_vless_inbound_config_proto_rawDescOnce.Do(func() {
file_proxy_vless_inbound_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_proxy_vless_inbound_config_proto_rawDescData)
})
return file_proxy_vless_inbound_config_proto_rawDescData
}
var file_proxy_vless_inbound_config_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_proxy_vless_inbound_config_proto_goTypes = []interface{}{
(*Fallback)(nil), // 0: xray.proxy.vless.inbound.Fallback
(*Config)(nil), // 1: xray.proxy.vless.inbound.Config
(*protocol.User)(nil), // 2: xray.common.protocol.User
}
var file_proxy_vless_inbound_config_proto_depIdxs = []int32{
2, // 0: xray.proxy.vless.inbound.Config.clients:type_name -> xray.common.protocol.User
0, // 1: xray.proxy.vless.inbound.Config.fallbacks:type_name -> xray.proxy.vless.inbound.Fallback
2, // [2:2] is the sub-list for method output_type
2, // [2:2] is the sub-list for method input_type
2, // [2:2] is the sub-list for extension type_name
2, // [2:2] is the sub-list for extension extendee
0, // [0:2] is the sub-list for field type_name
}
func init() { file_proxy_vless_inbound_config_proto_init() }
func file_proxy_vless_inbound_config_proto_init() {
if File_proxy_vless_inbound_config_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_proxy_vless_inbound_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Fallback); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_proxy_vless_inbound_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
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_proxy_vless_inbound_config_proto_rawDesc,
NumEnums: 0,
NumMessages: 2,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_proxy_vless_inbound_config_proto_goTypes,
DependencyIndexes: file_proxy_vless_inbound_config_proto_depIdxs,
MessageInfos: file_proxy_vless_inbound_config_proto_msgTypes,
}.Build()
File_proxy_vless_inbound_config_proto = out.File
file_proxy_vless_inbound_config_proto_rawDesc = nil
file_proxy_vless_inbound_config_proto_goTypes = nil
file_proxy_vless_inbound_config_proto_depIdxs = nil
}

25
proxy/vless/inbound/config.proto Normal file
View file

@ -0,0 +1,25 @@
syntax = "proto3";
package xray.proxy.vless.inbound;
option csharp_namespace = "Xray.Proxy.Vless.Inbound";
option go_package = "github.com/xtls/xray-core/v1/proxy/vless/inbound";
option java_package = "com.xray.proxy.vless.inbound";
option java_multiple_files = true;
import "common/protocol/user.proto";
message Fallback {
string alpn = 1;
string path = 2;
string type = 3;
string dest = 4;
uint64 xver = 5;
}
message Config {
repeated xray.common.protocol.User clients = 1;
// Decryption settings. Only applies to server side, and only accepts "none"
// for now.
string decryption = 2;
repeated Fallback fallbacks = 3;
}

9
proxy/vless/inbound/errors.generated.go Normal file
View file

@ -0,0 +1,9 @@
package inbound
import "github.com/xtls/xray-core/v1/common/errors"
type errPathObjHolder struct{}
func newError(values ...interface{}) *errors.Error {
return errors.New(values...).WithPathObj(errPathObjHolder{})
}

506
proxy/vless/inbound/inbound.go Normal file
View file

@ -0,0 +1,506 @@
// +build !confonly
package inbound
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"context"
"io"
"strconv"
"syscall"
"time"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/buf"
"github.com/xtls/xray-core/v1/common/errors"
"github.com/xtls/xray-core/v1/common/log"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/platform"
"github.com/xtls/xray-core/v1/common/protocol"
"github.com/xtls/xray-core/v1/common/retry"
"github.com/xtls/xray-core/v1/common/session"
"github.com/xtls/xray-core/v1/common/signal"
"github.com/xtls/xray-core/v1/common/task"
core "github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/features/dns"
feature_inbound "github.com/xtls/xray-core/v1/features/inbound"
"github.com/xtls/xray-core/v1/features/policy"
"github.com/xtls/xray-core/v1/features/routing"
"github.com/xtls/xray-core/v1/features/stats"
"github.com/xtls/xray-core/v1/proxy/vless"
"github.com/xtls/xray-core/v1/proxy/vless/encoding"
"github.com/xtls/xray-core/v1/transport/internet"
"github.com/xtls/xray-core/v1/transport/internet/tls"
"github.com/xtls/xray-core/v1/transport/internet/xtls"
)
var (
xtls_show = false
)
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
var dc dns.Client
if err := core.RequireFeatures(ctx, func(d dns.Client) error {
dc = d
return nil
}); err != nil {
return nil, err
}
return New(ctx, config.(*Config), dc)
}))
const defaultFlagValue = "NOT_DEFINED_AT_ALL"
xtlsShow := platform.NewEnvFlag("xray.vless.xtls.show").GetValue(func() string { return defaultFlagValue })
if xtlsShow == "true" {
xtls_show = true
}
}
// Handler is an inbound connection handler that handles messages in VLess protocol.
type Handler struct {
inboundHandlerManager feature_inbound.Manager
policyManager policy.Manager
validator *vless.Validator
dns dns.Client
fallbacks map[string]map[string]*Fallback // or nil
// regexps map[string]*regexp.Regexp // or nil
}
// New creates a new VLess inbound handler.
func New(ctx context.Context, config *Config, dc dns.Client) (*Handler, error) {
v := core.MustFromContext(ctx)
handler := &Handler{
inboundHandlerManager: v.GetFeature(feature_inbound.ManagerType()).(feature_inbound.Manager),
policyManager: v.GetFeature(policy.ManagerType()).(policy.Manager),
validator: new(vless.Validator),
dns: dc,
}
for _, user := range config.Clients {
u, err := user.ToMemoryUser()
if err != nil {
return nil, newError("failed to get VLESS user").Base(err).AtError()
}
if err := handler.AddUser(ctx, u); err != nil {
return nil, newError("failed to initiate user").Base(err).AtError()
}
}
if config.Fallbacks != nil {
handler.fallbacks = make(map[string]map[string]*Fallback)
// handler.regexps = make(map[string]*regexp.Regexp)
for _, fb := range config.Fallbacks {
if handler.fallbacks[fb.Alpn] == nil {
handler.fallbacks[fb.Alpn] = make(map[string]*Fallback)
}
handler.fallbacks[fb.Alpn][fb.Path] = fb
/*
if fb.Path != "" {
if r, err := regexp.Compile(fb.Path); err != nil {
return nil, newError("invalid path regexp").Base(err).AtError()
} else {
handler.regexps[fb.Path] = r
}
}
*/
}
if handler.fallbacks[""] != nil {
for alpn, pfb := range handler.fallbacks {
if alpn != "" { // && alpn != "h2" {
for path, fb := range handler.fallbacks[""] {
if pfb[path] == nil {
pfb[path] = fb
}
}
}
}
}
}
return handler, nil
}
// Close implements common.Closable.Close().
func (h *Handler) Close() error {
return errors.Combine(common.Close(h.validator))
}
// AddUser implements proxy.UserManager.AddUser().
func (h *Handler) AddUser(ctx context.Context, u *protocol.MemoryUser) error {
return h.validator.Add(u)
}
// RemoveUser implements proxy.UserManager.RemoveUser().
func (h *Handler) RemoveUser(ctx context.Context, e string) error {
return h.validator.Del(e)
}
// Network implements proxy.Inbound.Network().
func (*Handler) Network() []net.Network {
return []net.Network{net.Network_TCP, net.Network_UNIX}
}
// Process implements proxy.Inbound.Process().
func (h *Handler) Process(ctx context.Context, network net.Network, connection internet.Connection, dispatcher routing.Dispatcher) error {
sid := session.ExportIDToError(ctx)
iConn := connection
statConn, ok := iConn.(*internet.StatCouterConnection)
if ok {
iConn = statConn.Connection
}
sessionPolicy := h.policyManager.ForLevel(0)
if err := connection.SetReadDeadline(time.Now().Add(sessionPolicy.Timeouts.Handshake)); err != nil {
return newError("unable to set read deadline").Base(err).AtWarning()
}
first := buf.New()
defer first.Release()
firstLen, _ := first.ReadFrom(connection)
newError("firstLen = ", firstLen).AtInfo().WriteToLog(sid)
reader := &buf.BufferedReader{
Reader: buf.NewReader(connection),
Buffer: buf.MultiBuffer{first},
}
var request *protocol.RequestHeader
var requestAddons *encoding.Addons
var err error
apfb := h.fallbacks
isfb := apfb != nil
if isfb && firstLen < 18 {
err = newError("fallback directly")
} else {
request, requestAddons, isfb, err = encoding.DecodeRequestHeader(isfb, first, reader, h.validator)
}
if err != nil {
if isfb {
if err := connection.SetReadDeadline(time.Time{}); err != nil {
newError("unable to set back read deadline").Base(err).AtWarning().WriteToLog(sid)
}
newError("fallback starts").Base(err).AtInfo().WriteToLog(sid)
alpn := ""
if len(apfb) > 1 || apfb[""] == nil {
if tlsConn, ok := iConn.(*tls.Conn); ok {
alpn = tlsConn.ConnectionState().NegotiatedProtocol
newError("realAlpn = " + alpn).AtInfo().WriteToLog(sid)
} else if xtlsConn, ok := iConn.(*xtls.Conn); ok {
alpn = xtlsConn.ConnectionState().NegotiatedProtocol
newError("realAlpn = " + alpn).AtInfo().WriteToLog(sid)
}
if apfb[alpn] == nil {
alpn = ""
}
}
pfb := apfb[alpn]
if pfb == nil {
return newError(`failed to find the default "alpn" config`).AtWarning()
}
path := ""
if len(pfb) > 1 || pfb[""] == nil {
/*
if lines := bytes.Split(firstBytes, []byte{'\r', '\n'}); len(lines) > 1 {
if s := bytes.Split(lines[0], []byte{' '}); len(s) == 3 {
if len(s[0]) < 8 && len(s[1]) > 0 && len(s[2]) == 8 {
newError("realPath = " + string(s[1])).AtInfo().WriteToLog(sid)
for _, fb := range pfb {
if fb.Path != "" && h.regexps[fb.Path].Match(s[1]) {
path = fb.Path
break
}
}
}
}
}
*/
if firstLen >= 18 && first.Byte(4) != '*' { // not h2c
firstBytes := first.Bytes()
for i := 4; i <= 8; i++ { // 5 -> 9
if firstBytes[i] == '/' && firstBytes[i-1] == ' ' {
search := len(firstBytes)
if search > 64 {
search = 64 // up to about 60
}
for j := i + 1; j < search; j++ {
k := firstBytes[j]
if k == '\r' || k == '\n' { // avoid logging \r or \n
break
}
if k == ' ' {
path = string(firstBytes[i:j])
newError("realPath = " + path).AtInfo().WriteToLog(sid)
if pfb[path] == nil {
path = ""
}
break
}
}
break
}
}
}
}
fb := pfb[path]
if fb == nil {
return newError(`failed to find the default "path" config`).AtWarning()
}
ctx, cancel := context.WithCancel(ctx)
timer := signal.CancelAfterInactivity(ctx, cancel, sessionPolicy.Timeouts.ConnectionIdle)
ctx = policy.ContextWithBufferPolicy(ctx, sessionPolicy.Buffer)
var conn net.Conn
if err := retry.ExponentialBackoff(5, 100).On(func() error {
var dialer net.Dialer
conn, err = dialer.DialContext(ctx, fb.Type, fb.Dest)
if err != nil {
return err
}
return nil
}); err != nil {
return newError("failed to dial to " + fb.Dest).Base(err).AtWarning()
}
defer conn.Close()
serverReader := buf.NewReader(conn)
serverWriter := buf.NewWriter(conn)
postRequest := func() error {
defer timer.SetTimeout(sessionPolicy.Timeouts.DownlinkOnly)
if fb.Xver != 0 {
remoteAddr, remotePort, err := net.SplitHostPort(connection.RemoteAddr().String())
if err != nil {
return err
}
localAddr, localPort, err := net.SplitHostPort(connection.LocalAddr().String())
if err != nil {
return err
}
ipv4 := true
for i := 0; i < len(remoteAddr); i++ {
if remoteAddr[i] == ':' {
ipv4 = false
break
}
}
pro := buf.New()
defer pro.Release()
switch fb.Xver {
case 1:
if ipv4 {
pro.Write([]byte("PROXY TCP4 " + remoteAddr + " " + localAddr + " " + remotePort + " " + localPort + "\r\n"))
} else {
pro.Write([]byte("PROXY TCP6 " + remoteAddr + " " + localAddr + " " + remotePort + " " + localPort + "\r\n"))
}
case 2:
pro.Write([]byte("\x0D\x0A\x0D\x0A\x00\x0D\x0A\x51\x55\x49\x54\x0A\x21")) // signature + v2 + PROXY
if ipv4 {
pro.Write([]byte("\x11\x00\x0C")) // AF_INET + STREAM + 12 bytes
pro.Write(net.ParseIP(remoteAddr).To4())
pro.Write(net.ParseIP(localAddr).To4())
} else {
pro.Write([]byte("\x21\x00\x24")) // AF_INET6 + STREAM + 36 bytes
pro.Write(net.ParseIP(remoteAddr).To16())
pro.Write(net.ParseIP(localAddr).To16())
}
p1, _ := strconv.ParseUint(remotePort, 10, 16)
p2, _ := strconv.ParseUint(localPort, 10, 16)
pro.Write([]byte{byte(p1 >> 8), byte(p1), byte(p2 >> 8), byte(p2)})
}
if err := serverWriter.WriteMultiBuffer(buf.MultiBuffer{pro}); err != nil {
return newError("failed to set PROXY protocol v", fb.Xver).Base(err).AtWarning()
}
}
if err := buf.Copy(reader, serverWriter, buf.UpdateActivity(timer)); err != nil {
return newError("failed to fallback request payload").Base(err).AtInfo()
}
return nil
}
writer := buf.NewWriter(connection)
getResponse := func() error {
defer timer.SetTimeout(sessionPolicy.Timeouts.UplinkOnly)
if err := buf.Copy(serverReader, writer, buf.UpdateActivity(timer)); err != nil {
return newError("failed to deliver response payload").Base(err).AtInfo()
}
return nil
}
if err := task.Run(ctx, task.OnSuccess(postRequest, task.Close(serverWriter)), task.OnSuccess(getResponse, task.Close(writer))); err != nil {
common.Interrupt(serverReader)
common.Interrupt(serverWriter)
return newError("fallback ends").Base(err).AtInfo()
}
return nil
}
if errors.Cause(err) != io.EOF {
log.Record(&log.AccessMessage{
From: connection.RemoteAddr(),
To: "",
Status: log.AccessRejected,
Reason: err,
})
err = newError("invalid request from ", connection.RemoteAddr()).Base(err).AtInfo()
}
return err
}
if err := connection.SetReadDeadline(time.Time{}); err != nil {
newError("unable to set back read deadline").Base(err).AtWarning().WriteToLog(sid)
}
newError("received request for ", request.Destination()).AtInfo().WriteToLog(sid)
inbound := session.InboundFromContext(ctx)
if inbound == nil {
panic("no inbound metadata")
}
inbound.User = request.User
account := request.User.Account.(*vless.MemoryAccount)
responseAddons := &encoding.Addons{
// Flow: requestAddons.Flow,
}
var rawConn syscall.RawConn
switch requestAddons.Flow {
case vless.XRO, vless.XRD:
if account.Flow == requestAddons.Flow {
switch request.Command {
case protocol.RequestCommandMux:
return newError(requestAddons.Flow + " doesn't support Mux").AtWarning()
case protocol.RequestCommandUDP:
return newError(requestAddons.Flow + " doesn't support UDP").AtWarning()
case protocol.RequestCommandTCP:
if xtlsConn, ok := iConn.(*xtls.Conn); ok {
xtlsConn.RPRX = true
xtlsConn.SHOW = xtls_show
xtlsConn.MARK = "XTLS"
if requestAddons.Flow == vless.XRD {
xtlsConn.DirectMode = true
if sc, ok := xtlsConn.Connection.(syscall.Conn); ok {
rawConn, _ = sc.SyscallConn()
}
}
} else {
return newError(`failed to use ` + requestAddons.Flow + `, maybe "security" is not "xtls"`).AtWarning()
}
}
} else {
return newError(account.ID.String() + " is not able to use " + requestAddons.Flow).AtWarning()
}
case "":
default:
return newError("unknown request flow " + requestAddons.Flow).AtWarning()
}
if request.Command != protocol.RequestCommandMux {
ctx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{
From: connection.RemoteAddr(),
To: request.Destination(),
Status: log.AccessAccepted,
Reason: "",
Email: request.User.Email,
})
}
sessionPolicy = h.policyManager.ForLevel(request.User.Level)
ctx, cancel := context.WithCancel(ctx)
timer := signal.CancelAfterInactivity(ctx, cancel, sessionPolicy.Timeouts.ConnectionIdle)
ctx = policy.ContextWithBufferPolicy(ctx, sessionPolicy.Buffer)
link, err := dispatcher.Dispatch(ctx, request.Destination())
if err != nil {
return newError("failed to dispatch request to ", request.Destination()).Base(err).AtWarning()
}
serverReader := link.Reader // .(*pipe.Reader)
serverWriter := link.Writer // .(*pipe.Writer)
postRequest := func() error {
defer timer.SetTimeout(sessionPolicy.Timeouts.DownlinkOnly)
// default: clientReader := reader
clientReader := encoding.DecodeBodyAddons(reader, request, requestAddons)
var err error
if rawConn != nil {
var counter stats.Counter
if statConn != nil {
counter = statConn.ReadCounter
}
err = encoding.ReadV(clientReader, serverWriter, timer, iConn.(*xtls.Conn), rawConn, counter)
} else {
// from clientReader.ReadMultiBuffer to serverWriter.WriteMultiBufer
err = buf.Copy(clientReader, serverWriter, buf.UpdateActivity(timer))
}
if err != nil {
return newError("failed to transfer request payload").Base(err).AtInfo()
}
return nil
}
getResponse := func() error {
defer timer.SetTimeout(sessionPolicy.Timeouts.UplinkOnly)
bufferWriter := buf.NewBufferedWriter(buf.NewWriter(connection))
if err := encoding.EncodeResponseHeader(bufferWriter, request, responseAddons); err != nil {
return newError("failed to encode response header").Base(err).AtWarning()
}
// default: clientWriter := bufferWriter
clientWriter := encoding.EncodeBodyAddons(bufferWriter, request, responseAddons)
{
multiBuffer, err := serverReader.ReadMultiBuffer()
if err != nil {
return err // ...
}
if err := clientWriter.WriteMultiBuffer(multiBuffer); err != nil {
return err // ...
}
}
// Flush; bufferWriter.WriteMultiBufer now is bufferWriter.writer.WriteMultiBuffer
if err := bufferWriter.SetBuffered(false); err != nil {
return newError("failed to write A response payload").Base(err).AtWarning()
}
// from serverReader.ReadMultiBuffer to clientWriter.WriteMultiBufer
if err := buf.Copy(serverReader, clientWriter, buf.UpdateActivity(timer)); err != nil {
return newError("failed to transfer response payload").Base(err).AtInfo()
}
// Indicates the end of response payload.
switch responseAddons.Flow {
default:
}
return nil
}
if err := task.Run(ctx, task.OnSuccess(postRequest, task.Close(serverWriter)), getResponse); err != nil {
common.Interrupt(serverReader)
common.Interrupt(serverWriter)
return newError("connection ends").Base(err).AtInfo()
}
return nil
}

3
proxy/vless/outbound/config.go Normal file
View file

@ -0,0 +1,3 @@
// +build !confonly
package outbound

163
proxy/vless/outbound/config.pb.go Normal file
View file

@ -0,0 +1,163 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.14.0
// source: proxy/vless/outbound/config.proto
package outbound
import (
proto "github.com/golang/protobuf/proto"
protocol "github.com/xtls/xray-core/v1/common/protocol"
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)
)
// This is a compile-time assertion that a sufficiently up-to-date version
// of the legacy proto package is being used.
const _ = proto.ProtoPackageIsVersion4
type Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Vnext []*protocol.ServerEndpoint `protobuf:"bytes,1,rep,name=vnext,proto3" json:"vnext,omitempty"`
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_proxy_vless_outbound_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_proxy_vless_outbound_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_proxy_vless_outbound_config_proto_rawDescGZIP(), []int{0}
}
func (x *Config) GetVnext() []*protocol.ServerEndpoint {
if x != nil {
return x.Vnext
}
return nil
}
var File_proxy_vless_outbound_config_proto protoreflect.FileDescriptor
var file_proxy_vless_outbound_config_proto_rawDesc = []byte{
0x0a, 0x21, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x76, 0x6c, 0x65, 0x73, 0x73, 0x2f, 0x6f, 0x75,
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0x33,
}
var (
file_proxy_vless_outbound_config_proto_rawDescOnce sync.Once
file_proxy_vless_outbound_config_proto_rawDescData = file_proxy_vless_outbound_config_proto_rawDesc
)
func file_proxy_vless_outbound_config_proto_rawDescGZIP() []byte {
file_proxy_vless_outbound_config_proto_rawDescOnce.Do(func() {
file_proxy_vless_outbound_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_proxy_vless_outbound_config_proto_rawDescData)
})
return file_proxy_vless_outbound_config_proto_rawDescData
}
var file_proxy_vless_outbound_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
var file_proxy_vless_outbound_config_proto_goTypes = []interface{}{
(*Config)(nil), // 0: xray.proxy.vless.outbound.Config
(*protocol.ServerEndpoint)(nil), // 1: xray.common.protocol.ServerEndpoint
}
var file_proxy_vless_outbound_config_proto_depIdxs = []int32{
1, // 0: xray.proxy.vless.outbound.Config.vnext:type_name -> xray.common.protocol.ServerEndpoint
1, // [1:1] is the sub-list for method output_type
1, // [1:1] is the sub-list for method input_type
1, // [1:1] is the sub-list for extension type_name
1, // [1:1] is the sub-list for extension extendee
0, // [0:1] is the sub-list for field type_name
}
func init() { file_proxy_vless_outbound_config_proto_init() }
func file_proxy_vless_outbound_config_proto_init() {
if File_proxy_vless_outbound_config_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_proxy_vless_outbound_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
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_proxy_vless_outbound_config_proto_rawDesc,
NumEnums: 0,
NumMessages: 1,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_proxy_vless_outbound_config_proto_goTypes,
DependencyIndexes: file_proxy_vless_outbound_config_proto_depIdxs,
MessageInfos: file_proxy_vless_outbound_config_proto_msgTypes,
}.Build()
File_proxy_vless_outbound_config_proto = out.File
file_proxy_vless_outbound_config_proto_rawDesc = nil
file_proxy_vless_outbound_config_proto_goTypes = nil
file_proxy_vless_outbound_config_proto_depIdxs = nil
}

13
proxy/vless/outbound/config.proto Normal file
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@ -0,0 +1,13 @@
syntax = "proto3";
package xray.proxy.vless.outbound;
option csharp_namespace = "Xray.Proxy.Vless.Outbound";
option go_package = "github.com/xtls/xray-core/v1/proxy/vless/outbound";
option java_package = "com.xray.proxy.vless.outbound";
option java_multiple_files = true;
import "common/protocol/server_spec.proto";
message Config {
repeated xray.common.protocol.ServerEndpoint vnext = 1;
}

9
proxy/vless/outbound/errors.generated.go Normal file
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@ -0,0 +1,9 @@
package outbound
import "github.com/xtls/xray-core/v1/common/errors"
type errPathObjHolder struct{}
func newError(values ...interface{}) *errors.Error {
return errors.New(values...).WithPathObj(errPathObjHolder{})
}

240
proxy/vless/outbound/outbound.go Normal file
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@ -0,0 +1,240 @@
// +build !confonly
package outbound
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"context"
"syscall"
"time"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/buf"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/platform"
"github.com/xtls/xray-core/v1/common/protocol"
"github.com/xtls/xray-core/v1/common/retry"
"github.com/xtls/xray-core/v1/common/session"
"github.com/xtls/xray-core/v1/common/signal"
"github.com/xtls/xray-core/v1/common/task"
core "github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/features/policy"
"github.com/xtls/xray-core/v1/features/stats"
"github.com/xtls/xray-core/v1/proxy/vless"
"github.com/xtls/xray-core/v1/proxy/vless/encoding"
"github.com/xtls/xray-core/v1/transport"
"github.com/xtls/xray-core/v1/transport/internet"
"github.com/xtls/xray-core/v1/transport/internet/xtls"
)
var (
xtls_show = false
)
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return New(ctx, config.(*Config))
}))
const defaultFlagValue = "NOT_DEFINED_AT_ALL"
xtlsShow := platform.NewEnvFlag("xray.vless.xtls.show").GetValue(func() string { return defaultFlagValue })
if xtlsShow == "true" {
xtls_show = true
}
}
// Handler is an outbound connection handler for VLess protocol.
type Handler struct {
serverList *protocol.ServerList
serverPicker protocol.ServerPicker
policyManager policy.Manager
}
// New creates a new VLess outbound handler.
func New(ctx context.Context, config *Config) (*Handler, error) {
serverList := protocol.NewServerList()
for _, rec := range config.Vnext {
s, err := protocol.NewServerSpecFromPB(rec)
if err != nil {
return nil, newError("failed to parse server spec").Base(err).AtError()
}
serverList.AddServer(s)
}
v := core.MustFromContext(ctx)
handler := &Handler{
serverList: serverList,
serverPicker: protocol.NewRoundRobinServerPicker(serverList),
policyManager: v.GetFeature(policy.ManagerType()).(policy.Manager),
}
return handler, nil
}
// Process implements proxy.Outbound.Process().
func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer internet.Dialer) error {
var rec *protocol.ServerSpec
var conn internet.Connection
if err := retry.ExponentialBackoff(5, 200).On(func() error {
rec = h.serverPicker.PickServer()
var err error
conn, err = dialer.Dial(ctx, rec.Destination())
if err != nil {
return err
}
return nil
}); err != nil {
return newError("failed to find an available destination").Base(err).AtWarning()
}
defer conn.Close()
iConn := conn
statConn, ok := iConn.(*internet.StatCouterConnection)
if ok {
iConn = statConn.Connection
}
outbound := session.OutboundFromContext(ctx)
if outbound == nil || !outbound.Target.IsValid() {
return newError("target not specified").AtError()
}
target := outbound.Target
newError("tunneling request to ", target, " via ", rec.Destination()).AtInfo().WriteToLog(session.ExportIDToError(ctx))
command := protocol.RequestCommandTCP
if target.Network == net.Network_UDP {
command = protocol.RequestCommandUDP
}
if target.Address.Family().IsDomain() && target.Address.Domain() == "v1.mux.cool" {
command = protocol.RequestCommandMux
}
request := &protocol.RequestHeader{
Version: encoding.Version,
User: rec.PickUser(),
Command: command,
Address: target.Address,
Port: target.Port,
}
account := request.User.Account.(*vless.MemoryAccount)
requestAddons := &encoding.Addons{
Flow: account.Flow,
}
var rawConn syscall.RawConn
allowUDP443 := false
switch requestAddons.Flow {
case vless.XRO + "-udp443", vless.XRD + "-udp443":
allowUDP443 = true
requestAddons.Flow = requestAddons.Flow[:16]
fallthrough
case vless.XRO, vless.XRD:
switch request.Command {
case protocol.RequestCommandMux:
return newError(requestAddons.Flow + " doesn't support Mux").AtWarning()
case protocol.RequestCommandUDP:
if !allowUDP443 && request.Port == 443 {
return newError(requestAddons.Flow + " stopped UDP/443").AtInfo()
}
requestAddons.Flow = ""
case protocol.RequestCommandTCP:
if xtlsConn, ok := iConn.(*xtls.Conn); ok {
xtlsConn.RPRX = true
xtlsConn.SHOW = xtls_show
xtlsConn.MARK = "XTLS"
if requestAddons.Flow == vless.XRD {
xtlsConn.DirectMode = true
if sc, ok := xtlsConn.Connection.(syscall.Conn); ok {
rawConn, _ = sc.SyscallConn()
}
}
} else {
return newError(`failed to use ` + requestAddons.Flow + `, maybe "security" is not "xtls"`).AtWarning()
}
}
default:
if _, ok := iConn.(*xtls.Conn); ok {
panic(`To avoid misunderstanding, you must fill in VLESS "flow" when using XTLS.`)
}
}
sessionPolicy := h.policyManager.ForLevel(request.User.Level)
ctx, cancel := context.WithCancel(ctx)
timer := signal.CancelAfterInactivity(ctx, cancel, sessionPolicy.Timeouts.ConnectionIdle)
clientReader := link.Reader // .(*pipe.Reader)
clientWriter := link.Writer // .(*pipe.Writer)
postRequest := func() error {
defer timer.SetTimeout(sessionPolicy.Timeouts.DownlinkOnly)
bufferWriter := buf.NewBufferedWriter(buf.NewWriter(conn))
if err := encoding.EncodeRequestHeader(bufferWriter, request, requestAddons); err != nil {
return newError("failed to encode request header").Base(err).AtWarning()
}
// default: serverWriter := bufferWriter
serverWriter := encoding.EncodeBodyAddons(bufferWriter, request, requestAddons)
if err := buf.CopyOnceTimeout(clientReader, serverWriter, time.Millisecond*100); err != nil && err != buf.ErrNotTimeoutReader && err != buf.ErrReadTimeout {
return err // ...
}
// Flush; bufferWriter.WriteMultiBufer now is bufferWriter.writer.WriteMultiBuffer
if err := bufferWriter.SetBuffered(false); err != nil {
return newError("failed to write A request payload").Base(err).AtWarning()
}
// from clientReader.ReadMultiBuffer to serverWriter.WriteMultiBufer
if err := buf.Copy(clientReader, serverWriter, buf.UpdateActivity(timer)); err != nil {
return newError("failed to transfer request payload").Base(err).AtInfo()
}
// Indicates the end of request payload.
switch requestAddons.Flow {
default:
}
return nil
}
getResponse := func() error {
defer timer.SetTimeout(sessionPolicy.Timeouts.UplinkOnly)
responseAddons, err := encoding.DecodeResponseHeader(conn, request)
if err != nil {
return newError("failed to decode response header").Base(err).AtInfo()
}
// default: serverReader := buf.NewReader(conn)
serverReader := encoding.DecodeBodyAddons(conn, request, responseAddons)
if rawConn != nil {
var counter stats.Counter
if statConn != nil {
counter = statConn.ReadCounter
}
err = encoding.ReadV(serverReader, clientWriter, timer, iConn.(*xtls.Conn), rawConn, counter)
} else {
// from serverReader.ReadMultiBuffer to clientWriter.WriteMultiBufer
err = buf.Copy(serverReader, clientWriter, buf.UpdateActivity(timer))
}
if err != nil {
return newError("failed to transfer response payload").Base(err).AtInfo()
}
return nil
}
if err := task.Run(ctx, postRequest, task.OnSuccess(getResponse, task.Close(clientWriter))); err != nil {
return newError("connection ends").Base(err).AtInfo()
}
return nil
}

54
proxy/vless/validator.go Normal file
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@ -0,0 +1,54 @@
// +build !confonly
package vless
import (
"strings"
"sync"
"github.com/xtls/xray-core/v1/common/protocol"
"github.com/xtls/xray-core/v1/common/uuid"
)
// Validator stores valid VLESS users.
type Validator struct {
// Considering email's usage here, map + sync.Mutex/RWMutex may have better performance.
email sync.Map
users sync.Map
}
// Add a VLESS user, Email must be empty or unique.
func (v *Validator) Add(u *protocol.MemoryUser) error {
if u.Email != "" {
_, loaded := v.email.LoadOrStore(strings.ToLower(u.Email), u)
if loaded {
return newError("User ", u.Email, " already exists.")
}
}
v.users.Store(u.Account.(*MemoryAccount).ID.UUID(), u)
return nil
}
// Del a VLESS user with a non-empty Email.
func (v *Validator) Del(e string) error {
if e == "" {
return newError("Email must not be empty.")
}
le := strings.ToLower(e)
u, _ := v.email.Load(le)
if u == nil {
return newError("User ", e, " not found.")
}
v.email.Delete(le)
v.users.Delete(u.(*protocol.MemoryUser).Account.(*MemoryAccount).ID.UUID())
return nil
}
// Get a VLESS user with UUID, nil if user doesn't exist.
func (v *Validator) Get(id uuid.UUID) *protocol.MemoryUser {
u, _ := v.users.Load(id)
if u != nil {
return u.(*protocol.MemoryUser)
}
return nil
}

13
proxy/vless/vless.go Normal file
View file

@ -0,0 +1,13 @@
// Package vless contains the implementation of VLess protocol and transportation.
//
// VLess contains both inbound and outbound connections. VLess inbound is usually used on servers
// together with 'freedom' to talk to final destination, while VLess outbound is usually used on
// clients with 'socks' for proxying.
package vless
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
const (
XRO = "xtls-rprx-origin"
XRD = "xtls-rprx-direct"
)