mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-04 12:09:19 +02:00
Add loopback outound
This commit is contained in:
parent
5c366db847
commit
707efd6d12
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@ -2,7 +2,6 @@ package conf
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import (
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"encoding/json"
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"github.com/golang/protobuf/proto"
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"github.com/xtls/xray-core/common/serial"
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@ -0,0 +1,15 @@
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package conf
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import (
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"github.com/golang/protobuf/proto"
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"github.com/xtls/xray-core/proxy/loopback"
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)
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type LoopbackConfig struct {
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InboundTag string `json:"inboundTag"`
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}
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func (l LoopbackConfig) Build() (proto.Message, error) {
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return &loopback.Config{InboundTag: l.InboundTag}, nil
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}
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@ -30,6 +30,7 @@ var (
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outboundConfigLoader = NewJSONConfigLoader(ConfigCreatorCache{
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"blackhole": func() interface{} { return new(BlackholeConfig) },
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"loopback": func() interface{} { return new(LoopbackConfig) },
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"freedom": func() interface{} { return new(FreedomConfig) },
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"http": func() interface{} { return new(HTTPClientConfig) },
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"shadowsocks": func() interface{} { return new(ShadowsocksClientConfig) },
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@ -32,6 +32,7 @@ import (
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_ "github.com/xtls/xray-core/proxy/dokodemo"
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_ "github.com/xtls/xray-core/proxy/freedom"
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_ "github.com/xtls/xray-core/proxy/http"
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_ "github.com/xtls/xray-core/proxy/loopback"
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_ "github.com/xtls/xray-core/proxy/mtproto"
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_ "github.com/xtls/xray-core/proxy/shadowsocks"
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_ "github.com/xtls/xray-core/proxy/socks"
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@ -0,0 +1,3 @@
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package loopback
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//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
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@ -0,0 +1,149 @@
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// Code generated by protoc-gen-go. DO NOT EDIT.
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// versions:
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// protoc-gen-go v1.27.1
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// protoc v3.18.0
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// source: proxy/loopback/config.proto
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package loopback
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import (
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protoreflect "google.golang.org/protobuf/reflect/protoreflect"
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protoimpl "google.golang.org/protobuf/runtime/protoimpl"
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reflect "reflect"
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sync "sync"
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)
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const (
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// Verify that this generated code is sufficiently up-to-date.
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_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
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// Verify that runtime/protoimpl is sufficiently up-to-date.
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_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
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)
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type Config struct {
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state protoimpl.MessageState
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sizeCache protoimpl.SizeCache
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unknownFields protoimpl.UnknownFields
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InboundTag string `protobuf:"bytes,1,opt,name=inbound_tag,json=inboundTag,proto3" json:"inbound_tag,omitempty"`
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}
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func (x *Config) Reset() {
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*x = Config{}
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if protoimpl.UnsafeEnabled {
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mi := &file_proxy_loopback_config_proto_msgTypes[0]
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ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
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ms.StoreMessageInfo(mi)
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}
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}
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func (x *Config) String() string {
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return protoimpl.X.MessageStringOf(x)
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}
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func (*Config) ProtoMessage() {}
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func (x *Config) ProtoReflect() protoreflect.Message {
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mi := &file_proxy_loopback_config_proto_msgTypes[0]
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if protoimpl.UnsafeEnabled && x != nil {
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ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
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if ms.LoadMessageInfo() == nil {
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ms.StoreMessageInfo(mi)
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}
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return ms
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}
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return mi.MessageOf(x)
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}
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// Deprecated: Use Config.ProtoReflect.Descriptor instead.
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func (*Config) Descriptor() ([]byte, []int) {
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return file_proxy_loopback_config_proto_rawDescGZIP(), []int{0}
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}
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func (x *Config) GetInboundTag() string {
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if x != nil {
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return x.InboundTag
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}
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return ""
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}
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var File_proxy_loopback_config_proto protoreflect.FileDescriptor
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var file_proxy_loopback_config_proto_rawDesc = []byte{
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0x0a, 0x1b, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x6c, 0x6f, 0x6f, 0x70, 0x62, 0x61, 0x63, 0x6b,
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0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x19, 0x76,
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0x32, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e,
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0x6c, 0x6f, 0x6f, 0x70, 0x62, 0x61, 0x63, 0x6b, 0x22, 0x29, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66,
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0x69, 0x67, 0x12, 0x1f, 0x0a, 0x0b, 0x69, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x5f, 0x74, 0x61,
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0x67, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x69, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64,
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0x54, 0x61, 0x67, 0x42, 0x5b, 0x0a, 0x17, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e,
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0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x6c, 0x6f, 0x6f, 0x70, 0x62, 0x61, 0x63, 0x6b, 0x50, 0x01,
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0x5a, 0x28, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c,
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0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x78,
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0x79, 0x2f, 0x6c, 0x6f, 0x6f, 0x70, 0x62, 0x61, 0x63, 0x6b, 0xaa, 0x02, 0x13, 0x58, 0x72, 0x61,
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0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x4c, 0x6f, 0x6f, 0x70, 0x62, 0x61, 0x63, 0x6b,
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0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
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}
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var (
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file_proxy_loopback_config_proto_rawDescOnce sync.Once
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file_proxy_loopback_config_proto_rawDescData = file_proxy_loopback_config_proto_rawDesc
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)
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func file_proxy_loopback_config_proto_rawDescGZIP() []byte {
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file_proxy_loopback_config_proto_rawDescOnce.Do(func() {
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file_proxy_loopback_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_proxy_loopback_config_proto_rawDescData)
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})
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return file_proxy_loopback_config_proto_rawDescData
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}
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var file_proxy_loopback_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
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var file_proxy_loopback_config_proto_goTypes = []interface{}{
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(*Config)(nil), // 0: v2ray.core.proxy.loopback.Config
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}
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var file_proxy_loopback_config_proto_depIdxs = []int32{
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0, // [0:0] is the sub-list for method output_type
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0, // [0:0] is the sub-list for method input_type
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0, // [0:0] is the sub-list for extension type_name
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0, // [0:0] is the sub-list for extension extendee
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0, // [0:0] is the sub-list for field type_name
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}
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func init() { file_proxy_loopback_config_proto_init() }
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func file_proxy_loopback_config_proto_init() {
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if File_proxy_loopback_config_proto != nil {
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return
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}
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if !protoimpl.UnsafeEnabled {
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file_proxy_loopback_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
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switch v := v.(*Config); i {
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case 0:
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return &v.state
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case 1:
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return &v.sizeCache
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case 2:
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return &v.unknownFields
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default:
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return nil
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}
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}
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}
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type x struct{}
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out := protoimpl.TypeBuilder{
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File: protoimpl.DescBuilder{
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GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
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RawDescriptor: file_proxy_loopback_config_proto_rawDesc,
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NumEnums: 0,
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NumMessages: 1,
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NumExtensions: 0,
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NumServices: 0,
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},
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GoTypes: file_proxy_loopback_config_proto_goTypes,
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DependencyIndexes: file_proxy_loopback_config_proto_depIdxs,
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MessageInfos: file_proxy_loopback_config_proto_msgTypes,
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}.Build()
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File_proxy_loopback_config_proto = out.File
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file_proxy_loopback_config_proto_rawDesc = nil
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file_proxy_loopback_config_proto_goTypes = nil
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file_proxy_loopback_config_proto_depIdxs = nil
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}
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@ -0,0 +1,11 @@
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syntax = "proto3";
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package v2ray.core.proxy.loopback;
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option csharp_namespace = "Xray.Proxy.Loopback";
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option go_package = "github.com/xtls/xray-core/proxy/loopback";
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option java_package = "com.xray.proxy.loopback";
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option java_multiple_files = true;
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message Config {
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string inbound_tag = 1;
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}
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@ -0,0 +1,9 @@
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package loopback
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import "github.com/xtls/xray-core/common/errors"
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type errPathObjHolder struct{}
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func newError(values ...interface{}) *errors.Error {
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return errors.New(values...).WithPathObj(errPathObjHolder{})
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}
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@ -0,0 +1,121 @@
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package loopback
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import (
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"context"
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"github.com/xtls/xray-core/common/net/cnc"
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"github.com/xtls/xray-core/common"
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"github.com/xtls/xray-core/common/buf"
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"github.com/xtls/xray-core/common/net"
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"github.com/xtls/xray-core/common/retry"
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"github.com/xtls/xray-core/common/session"
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"github.com/xtls/xray-core/common/task"
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"github.com/xtls/xray-core/core"
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"github.com/xtls/xray-core/features/routing"
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"github.com/xtls/xray-core/transport"
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"github.com/xtls/xray-core/transport/internet"
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)
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type Loopback struct {
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config *Config
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dispatcherInstance routing.Dispatcher
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}
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func (l *Loopback) Process(ctx context.Context, link *transport.Link, _ internet.Dialer) error {
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outbound := session.OutboundFromContext(ctx)
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if outbound == nil || !outbound.Target.IsValid() {
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return newError("target not specified.")
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}
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destination := outbound.Target
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newError("opening connection to ", destination).WriteToLog(session.ExportIDToError(ctx))
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input := link.Reader
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output := link.Writer
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var conn net.Conn
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err := retry.ExponentialBackoff(2, 100).On(func() error {
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dialDest := destination
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content := new(session.Content)
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content.SkipDNSResolve = true
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ctx = session.ContextWithContent(ctx, content)
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inbound := session.InboundFromContext(ctx)
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inbound.Tag = l.config.InboundTag
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ctx = session.ContextWithInbound(ctx, inbound)
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rawConn, err := l.dispatcherInstance.Dispatch(ctx, dialDest)
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if err != nil {
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return err
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}
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var readerOpt cnc.ConnectionOption
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if dialDest.Network == net.Network_TCP {
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readerOpt = cnc.ConnectionOutputMulti(rawConn.Reader)
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} else {
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readerOpt = cnc.ConnectionOutputMultiUDP(rawConn.Reader)
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}
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conn = cnc.NewConnection(cnc.ConnectionInputMulti(rawConn.Writer), readerOpt)
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return nil
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})
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if err != nil {
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return newError("failed to open connection to ", destination).Base(err)
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}
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defer conn.Close()
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requestDone := func() error {
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var writer buf.Writer
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if destination.Network == net.Network_TCP {
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writer = buf.NewWriter(conn)
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} else {
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writer = &buf.SequentialWriter{Writer: conn}
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}
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if err := buf.Copy(input, writer); err != nil {
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return newError("failed to process request").Base(err)
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}
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return nil
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}
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responseDone := func() error {
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var reader buf.Reader
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if destination.Network == net.Network_TCP {
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reader = buf.NewReader(conn)
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} else {
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reader = buf.NewPacketReader(conn)
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}
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if err := buf.Copy(reader, output); err != nil {
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return newError("failed to process response").Base(err)
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}
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return nil
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}
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if err := task.Run(ctx, requestDone, task.OnSuccess(responseDone, task.Close(output))); err != nil {
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return newError("connection ends").Base(err)
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}
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return nil
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}
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func (l *Loopback) init(config *Config, dispatcherInstance routing.Dispatcher) error {
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l.dispatcherInstance = dispatcherInstance
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l.config = config
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return nil
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}
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func init() {
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common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
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l := new(Loopback)
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err := core.RequireFeatures(ctx, func(dispatcherInstance routing.Dispatcher) error {
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return l.init(config.(*Config), dispatcherInstance)
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})
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return l, err
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}))
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}
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