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LICENSE Normal file
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Mozilla Public License Version 2.0
==================================
1. Definitions
--------------
1.1. "Contributor"
means each individual or legal entity that creates, contributes to
the creation of, or owns Covered Software.
1.2. "Contributor Version"
means the combination of the Contributions of others (if any) used
by a Contributor and that particular Contributor's Contribution.
1.3. "Contribution"
means Covered Software of a particular Contributor.
1.4. "Covered Software"
means Source Code Form to which the initial Contributor has attached
the notice in Exhibit A, the Executable Form of such Source Code
Form, and Modifications of such Source Code Form, in each case
including portions thereof.
1.5. "Incompatible With Secondary Licenses"
means
(a) that the initial Contributor has attached the notice described
in Exhibit B to the Covered Software; or
(b) that the Covered Software was made available under the terms of
version 1.1 or earlier of the License, but not also under the
terms of a Secondary License.
1.6. "Executable Form"
means any form of the work other than Source Code Form.
1.7. "Larger Work"
means a work that combines Covered Software with other material, in
a separate file or files, that is not Covered Software.
1.8. "License"
means this document.
1.9. "Licensable"
means having the right to grant, to the maximum extent possible,
whether at the time of the initial grant or subsequently, any and
all of the rights conveyed by this License.
1.10. "Modifications"
means any of the following:
(a) any file in Source Code Form that results from an addition to,
deletion from, or modification of the contents of Covered
Software; or
(b) any new file in Source Code Form that contains any Covered
Software.
1.11. "Patent Claims" of a Contributor
means any patent claim(s), including without limitation, method,
process, and apparatus claims, in any patent Licensable by such
Contributor that would be infringed, but for the grant of the
License, by the making, using, selling, offering for sale, having
made, import, or transfer of either its Contributions or its
Contributor Version.
1.12. "Secondary License"
means either the GNU General Public License, Version 2.0, the GNU
Lesser General Public License, Version 2.1, the GNU Affero General
Public License, Version 3.0, or any later versions of those
licenses.
1.13. "Source Code Form"
means the form of the work preferred for making modifications.
1.14. "You" (or "Your")
means an individual or a legal entity exercising rights under this
License. For legal entities, "You" includes any entity that
controls, is controlled by, or is under common control with You. For
purposes of this definition, "control" means (a) the power, direct
or indirect, to cause the direction or management of such entity,
whether by contract or otherwise, or (b) ownership of more than
fifty percent (50%) of the outstanding shares or beneficial
ownership of such entity.
2. License Grants and Conditions
--------------------------------
2.1. Grants
Each Contributor hereby grants You a world-wide, royalty-free,
non-exclusive license:
(a) under intellectual property rights (other than patent or trademark)
Licensable by such Contributor to use, reproduce, make available,
modify, display, perform, distribute, and otherwise exploit its
Contributions, either on an unmodified basis, with Modifications, or
as part of a Larger Work; and
(b) under Patent Claims of such Contributor to make, use, sell, offer
for sale, have made, import, and otherwise transfer either its
Contributions or its Contributor Version.
2.2. Effective Date
The licenses granted in Section 2.1 with respect to any Contribution
become effective for each Contribution on the date the Contributor first
distributes such Contribution.
2.3. Limitations on Grant Scope
The licenses granted in this Section 2 are the only rights granted under
this License. No additional rights or licenses will be implied from the
distribution or licensing of Covered Software under this License.
Notwithstanding Section 2.1(b) above, no patent license is granted by a
Contributor:
(a) for any code that a Contributor has removed from Covered Software;
or
(b) for infringements caused by: (i) Your and any other third party's
modifications of Covered Software, or (ii) the combination of its
Contributions with other software (except as part of its Contributor
Version); or
(c) under Patent Claims infringed by Covered Software in the absence of
its Contributions.
This License does not grant any rights in the trademarks, service marks,
or logos of any Contributor (except as may be necessary to comply with
the notice requirements in Section 3.4).
2.4. Subsequent Licenses
No Contributor makes additional grants as a result of Your choice to
distribute the Covered Software under a subsequent version of this
License (see Section 10.2) or under the terms of a Secondary License (if
permitted under the terms of Section 3.3).
2.5. Representation
Each Contributor represents that the Contributor believes its
Contributions are its original creation(s) or it has sufficient rights
to grant the rights to its Contributions conveyed by this License.
2.6. Fair Use
This License is not intended to limit any rights You have under
applicable copyright doctrines of fair use, fair dealing, or other
equivalents.
2.7. Conditions
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted
in Section 2.1.
3. Responsibilities
-------------------
3.1. Distribution of Source Form
All distribution of Covered Software in Source Code Form, including any
Modifications that You create or to which You contribute, must be under
the terms of this License. You must inform recipients that the Source
Code Form of the Covered Software is governed by the terms of this
License, and how they can obtain a copy of this License. You may not
attempt to alter or restrict the recipients' rights in the Source Code
Form.
3.2. Distribution of Executable Form
If You distribute Covered Software in Executable Form then:
(a) such Covered Software must also be made available in Source Code
Form, as described in Section 3.1, and You must inform recipients of
the Executable Form how they can obtain a copy of such Source Code
Form by reasonable means in a timely manner, at a charge no more
than the cost of distribution to the recipient; and
(b) You may distribute such Executable Form under the terms of this
License, or sublicense it under different terms, provided that the
license for the Executable Form does not attempt to limit or alter
the recipients' rights in the Source Code Form under this License.
3.3. Distribution of a Larger Work
You may create and distribute a Larger Work under terms of Your choice,
provided that You also comply with the requirements of this License for
the Covered Software. If the Larger Work is a combination of Covered
Software with a work governed by one or more Secondary Licenses, and the
Covered Software is not Incompatible With Secondary Licenses, this
License permits You to additionally distribute such Covered Software
under the terms of such Secondary License(s), so that the recipient of
the Larger Work may, at their option, further distribute the Covered
Software under the terms of either this License or such Secondary
License(s).
3.4. Notices
You may not remove or alter the substance of any license notices
(including copyright notices, patent notices, disclaimers of warranty,
or limitations of liability) contained within the Source Code Form of
the Covered Software, except that You may alter any license notices to
the extent required to remedy known factual inaccuracies.
3.5. Application of Additional Terms
You may choose to offer, and to charge a fee for, warranty, support,
indemnity or liability obligations to one or more recipients of Covered
Software. However, You may do so only on Your own behalf, and not on
behalf of any Contributor. You must make it absolutely clear that any
such warranty, support, indemnity, or liability obligation is offered by
You alone, and You hereby agree to indemnify every Contributor for any
liability incurred by such Contributor as a result of warranty, support,
indemnity or liability terms You offer. You may include additional
disclaimers of warranty and limitations of liability specific to any
jurisdiction.
4. Inability to Comply Due to Statute or Regulation
---------------------------------------------------
If it is impossible for You to comply with any of the terms of this
License with respect to some or all of the Covered Software due to
statute, judicial order, or regulation then You must: (a) comply with
the terms of this License to the maximum extent possible; and (b)
describe the limitations and the code they affect. Such description must
be placed in a text file included with all distributions of the Covered
Software under this License. Except to the extent prohibited by statute
or regulation, such description must be sufficiently detailed for a
recipient of ordinary skill to be able to understand it.
5. Termination
--------------
5.1. The rights granted under this License will terminate automatically
if You fail to comply with any of its terms. However, if You become
compliant, then the rights granted under this License from a particular
Contributor are reinstated (a) provisionally, unless and until such
Contributor explicitly and finally terminates Your grants, and (b) on an
ongoing basis, if such Contributor fails to notify You of the
non-compliance by some reasonable means prior to 60 days after You have
come back into compliance. Moreover, Your grants from a particular
Contributor are reinstated on an ongoing basis if such Contributor
notifies You of the non-compliance by some reasonable means, this is the
first time You have received notice of non-compliance with this License
from such Contributor, and You become compliant prior to 30 days after
Your receipt of the notice.
5.2. If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions,
counter-claims, and cross-claims) alleging that a Contributor Version
directly or indirectly infringes any patent, then the rights granted to
You by any and all Contributors for the Covered Software under Section
2.1 of this License shall terminate.
5.3. In the event of termination under Sections 5.1 or 5.2 above, all
end user license agreements (excluding distributors and resellers) which
have been validly granted by You or Your distributors under this License
prior to termination shall survive termination.
************************************************************************
* *
* 6. Disclaimer of Warranty *
* ------------------------- *
* *
* Covered Software is provided under this License on an "as is" *
* basis, without warranty of any kind, either expressed, implied, or *
* statutory, including, without limitation, warranties that the *
* Covered Software is free of defects, merchantable, fit for a *
* particular purpose or non-infringing. The entire risk as to the *
* quality and performance of the Covered Software is with You. *
* Should any Covered Software prove defective in any respect, You *
* (not any Contributor) assume the cost of any necessary servicing, *
* repair, or correction. This disclaimer of warranty constitutes an *
* essential part of this License. No use of any Covered Software is *
* authorized under this License except under this disclaimer. *
* *
************************************************************************
************************************************************************
* *
* 7. Limitation of Liability *
* -------------------------- *
* *
* Under no circumstances and under no legal theory, whether tort *
* (including negligence), contract, or otherwise, shall any *
* Contributor, or anyone who distributes Covered Software as *
* permitted above, be liable to You for any direct, indirect, *
* special, incidental, or consequential damages of any character *
* including, without limitation, damages for lost profits, loss of *
* goodwill, work stoppage, computer failure or malfunction, or any *
* and all other commercial damages or losses, even if such party *
* shall have been informed of the possibility of such damages. This *
* limitation of liability shall not apply to liability for death or *
* personal injury resulting from such party's negligence to the *
* extent applicable law prohibits such limitation. Some *
* jurisdictions do not allow the exclusion or limitation of *
* incidental or consequential damages, so this exclusion and *
* limitation may not apply to You. *
* *
************************************************************************
8. Litigation
-------------
Any litigation relating to this License may be brought only in the
courts of a jurisdiction where the defendant maintains its principal
place of business and such litigation shall be governed by laws of that
jurisdiction, without reference to its conflict-of-law provisions.
Nothing in this Section shall prevent a party's ability to bring
cross-claims or counter-claims.
9. Miscellaneous
----------------
This License represents the complete agreement concerning the subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. Any law or regulation which provides
that the language of a contract shall be construed against the drafter
shall not be used to construe this License against a Contributor.
10. Versions of the License
---------------------------
10.1. New Versions
Mozilla Foundation is the license steward. Except as provided in Section
10.3, no one other than the license steward has the right to modify or
publish new versions of this License. Each version will be given a
distinguishing version number.
10.2. Effect of New Versions
You may distribute the Covered Software under the terms of the version
of the License under which You originally received the Covered Software,
or under the terms of any subsequent version published by the license
steward.
10.3. Modified Versions
If you create software not governed by this License, and you want to
create a new license for such software, you may create and use a
modified version of this License if you rename the license and remove
any references to the name of the license steward (except to note that
such modified license differs from this License).
10.4. Distributing Source Code Form that is Incompatible With Secondary
Licenses
If You choose to distribute Source Code Form that is Incompatible With
Secondary Licenses under the terms of this version of the License, the
notice described in Exhibit B of this License must be attached.
Exhibit A - Source Code Form License Notice
-------------------------------------------
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular
file, then You may include the notice in a location (such as a LICENSE
file in a relevant directory) where a recipient would be likely to look
for such a notice.
You may add additional accurate notices of copyright ownership.
Exhibit B - "Incompatible With Secondary Licenses" Notice
---------------------------------------------------------
This Source Code Form is "Incompatible With Secondary Licenses", as
defined by the Mozilla Public License, v. 2.0.

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README.md
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# X-ray
X-ray, Penetrate GFWs. The best v2ray-core, with XTLS support. Automatically patch and compile by GitHub Actions, fully compatible configuration.
# Project X
[Project X](https://github.com/XTLS) originates from XTLS protocol, provides a set of network tools such as [Xray-core](https://github.com/XTLS/Xray-core) and [Xray-flutter](https://github.com/XTLS/Xray-flutter).
## Installation
- Linux script
- [Xray-install](https://github.com/XTLS/Xray-install)
## Usage
[Xray-examples](https://github.com/XTLS/Xray-examples) / [VLESS-TCP-XTLS-WHATEVER](https://github.com/XTLS/Xray-examples/tree/main/VLESS-TCP-XTLS-WHATEVER)
## License
[Mozilla Public License Version 2.0](https://github.com/XTLS/Xray-core/main/LICENSE)
## Credits
This repo relies on the following third-party projects:
- Special thanks:
- [v2fly/v2ray-core](https://github.com/v2fly/v2ray-core)
- In production:
- [gorilla/websocket](https://github.com/gorilla/websocket)
- [lucas-clemente/quic-go](https://github.com/lucas-clemente/quic-go)
- [pires/go-proxyproto](https://github.com/pires/go-proxyproto)
- [seiflotfy/cuckoofilter](https://github.com/seiflotfy/cuckoofilter)
- [google/starlark-go](https://github.com/google/starlark-go)
- For testing only:
- [miekg/dns](https://github.com/miekg/dns)
- [h12w/socks](https://github.com/h12w/socks)
## Compilation
### Windows
```
go build -o xray.exe -trimpath -ldflags "-s -w -buildid=" ./main
```
### Linux / macOS
```
go build -o xray -trimpath -ldflags "-s -w -buildid=" ./main
```
## Telegram
[Project X](https://t.me/projectXray)
[Project X Channel](https://t.me/projectXtls)

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app/app.go Normal file
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// Package app contains feature implementations of Xray. The features may be enabled during runtime.
package app

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app/commander/commander.go Normal file
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// +build !confonly
package commander
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"context"
"net"
"sync"
"google.golang.org/grpc"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/signal/done"
core "github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/features/outbound"
)
// Commander is a Xray feature that provides gRPC methods to external clients.
type Commander struct {
sync.Mutex
server *grpc.Server
services []Service
ohm outbound.Manager
tag string
}
// NewCommander creates a new Commander based on the given config.
func NewCommander(ctx context.Context, config *Config) (*Commander, error) {
c := &Commander{
tag: config.Tag,
}
common.Must(core.RequireFeatures(ctx, func(om outbound.Manager) {
c.ohm = om
}))
for _, rawConfig := range config.Service {
config, err := rawConfig.GetInstance()
if err != nil {
return nil, err
}
rawService, err := common.CreateObject(ctx, config)
if err != nil {
return nil, err
}
service, ok := rawService.(Service)
if !ok {
return nil, newError("not a Service.")
}
c.services = append(c.services, service)
}
return c, nil
}
// Type implements common.HasType.
func (c *Commander) Type() interface{} {
return (*Commander)(nil)
}
// Start implements common.Runnable.
func (c *Commander) Start() error {
c.Lock()
c.server = grpc.NewServer()
for _, service := range c.services {
service.Register(c.server)
}
c.Unlock()
listener := &OutboundListener{
buffer: make(chan net.Conn, 4),
done: done.New(),
}
go func() {
if err := c.server.Serve(listener); err != nil {
newError("failed to start grpc server").Base(err).AtError().WriteToLog()
}
}()
if err := c.ohm.RemoveHandler(context.Background(), c.tag); err != nil {
newError("failed to remove existing handler").WriteToLog()
}
return c.ohm.AddHandler(context.Background(), &Outbound{
tag: c.tag,
listener: listener,
})
}
// Close implements common.Closable.
func (c *Commander) Close() error {
c.Lock()
defer c.Unlock()
if c.server != nil {
c.server.Stop()
c.server = nil
}
return nil
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, cfg interface{}) (interface{}, error) {
return NewCommander(ctx, cfg.(*Config))
}))
}

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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: app/commander/config.proto
package commander
import (
proto "github.com/golang/protobuf/proto"
serial "github.com/xtls/xray-core/v1/common/serial"
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
// Config is the settings for Commander.
type Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Tag of the outbound handler that handles grpc connections.
Tag string `protobuf:"bytes,1,opt,name=tag,proto3" json:"tag,omitempty"`
// Services that supported by this server. All services must implement Service
// interface.
Service []*serial.TypedMessage `protobuf:"bytes,2,rep,name=service,proto3" json:"service,omitempty"`
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_app_commander_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_app_commander_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_app_commander_config_proto_rawDescGZIP(), []int{0}
}
func (x *Config) GetTag() string {
if x != nil {
return x.Tag
}
return ""
}
func (x *Config) GetService() []*serial.TypedMessage {
if x != nil {
return x.Service
}
return nil
}
// ReflectionConfig is the placeholder config for ReflectionService.
type ReflectionConfig struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *ReflectionConfig) Reset() {
*x = ReflectionConfig{}
if protoimpl.UnsafeEnabled {
mi := &file_app_commander_config_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *ReflectionConfig) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ReflectionConfig) ProtoMessage() {}
func (x *ReflectionConfig) ProtoReflect() protoreflect.Message {
mi := &file_app_commander_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 ReflectionConfig.ProtoReflect.Descriptor instead.
func (*ReflectionConfig) Descriptor() ([]byte, []int) {
return file_app_commander_config_proto_rawDescGZIP(), []int{1}
}
var File_app_commander_config_proto protoreflect.FileDescriptor
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var (
file_app_commander_config_proto_rawDescOnce sync.Once
file_app_commander_config_proto_rawDescData = file_app_commander_config_proto_rawDesc
)
func file_app_commander_config_proto_rawDescGZIP() []byte {
file_app_commander_config_proto_rawDescOnce.Do(func() {
file_app_commander_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_app_commander_config_proto_rawDescData)
})
return file_app_commander_config_proto_rawDescData
}
var file_app_commander_config_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_app_commander_config_proto_goTypes = []interface{}{
(*Config)(nil), // 0: xray.app.commander.Config
(*ReflectionConfig)(nil), // 1: xray.app.commander.ReflectionConfig
(*serial.TypedMessage)(nil), // 2: xray.common.serial.TypedMessage
}
var file_app_commander_config_proto_depIdxs = []int32{
2, // 0: xray.app.commander.Config.service:type_name -> xray.common.serial.TypedMessage
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_app_commander_config_proto_init() }
func file_app_commander_config_proto_init() {
if File_app_commander_config_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_app_commander_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
}
}
file_app_commander_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*ReflectionConfig); 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_app_commander_config_proto_rawDesc,
NumEnums: 0,
NumMessages: 2,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_app_commander_config_proto_goTypes,
DependencyIndexes: file_app_commander_config_proto_depIdxs,
MessageInfos: file_app_commander_config_proto_msgTypes,
}.Build()
File_app_commander_config_proto = out.File
file_app_commander_config_proto_rawDesc = nil
file_app_commander_config_proto_goTypes = nil
file_app_commander_config_proto_depIdxs = nil
}

21
app/commander/config.proto Normal file
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@ -0,0 +1,21 @@
syntax = "proto3";
package xray.app.commander;
option csharp_namespace = "Xray.App.Commander";
option go_package = "github.com/xtls/xray-core/v1/app/commander";
option java_package = "com.xray.app.commander";
option java_multiple_files = true;
import "common/serial/typed_message.proto";
// Config is the settings for Commander.
message Config {
// Tag of the outbound handler that handles grpc connections.
string tag = 1;
// Services that supported by this server. All services must implement Service
// interface.
repeated xray.common.serial.TypedMessage service = 2;
}
// ReflectionConfig is the placeholder config for ReflectionService.
message ReflectionConfig {}

9
app/commander/errors.generated.go Normal file
View file

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

110
app/commander/outbound.go Normal file
View file

@ -0,0 +1,110 @@
// +build !confonly
package commander
import (
"context"
"sync"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/signal/done"
"github.com/xtls/xray-core/v1/transport"
)
// OutboundListener is a net.Listener for listening gRPC connections.
type OutboundListener struct {
buffer chan net.Conn
done *done.Instance
}
func (l *OutboundListener) add(conn net.Conn) {
select {
case l.buffer <- conn:
case <-l.done.Wait():
conn.Close()
default:
conn.Close()
}
}
// Accept implements net.Listener.
func (l *OutboundListener) Accept() (net.Conn, error) {
select {
case <-l.done.Wait():
return nil, newError("listen closed")
case c := <-l.buffer:
return c, nil
}
}
// Close implement net.Listener.
func (l *OutboundListener) Close() error {
common.Must(l.done.Close())
L:
for {
select {
case c := <-l.buffer:
c.Close()
default:
break L
}
}
return nil
}
// Addr implements net.Listener.
func (l *OutboundListener) Addr() net.Addr {
return &net.TCPAddr{
IP: net.IP{0, 0, 0, 0},
Port: 0,
}
}
// Outbound is a outbound.Handler that handles gRPC connections.
type Outbound struct {
tag string
listener *OutboundListener
access sync.RWMutex
closed bool
}
// Dispatch implements outbound.Handler.
func (co *Outbound) Dispatch(ctx context.Context, link *transport.Link) {
co.access.RLock()
if co.closed {
common.Interrupt(link.Reader)
common.Interrupt(link.Writer)
co.access.RUnlock()
return
}
closeSignal := done.New()
c := net.NewConnection(net.ConnectionInputMulti(link.Writer), net.ConnectionOutputMulti(link.Reader), net.ConnectionOnClose(closeSignal))
co.listener.add(c)
co.access.RUnlock()
<-closeSignal.Wait()
}
// Tag implements outbound.Handler.
func (co *Outbound) Tag() string {
return co.tag
}
// Start implements common.Runnable.
func (co *Outbound) Start() error {
co.access.Lock()
co.closed = false
co.access.Unlock()
return nil
}
// Close implements common.Closable.
func (co *Outbound) Close() error {
co.access.Lock()
defer co.access.Unlock()
co.closed = true
return co.listener.Close()
}

29
app/commander/service.go Normal file
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@ -0,0 +1,29 @@
// +build !confonly
package commander
import (
"context"
"github.com/xtls/xray-core/v1/common"
"google.golang.org/grpc"
"google.golang.org/grpc/reflection"
)
// Service is a Commander service.
type Service interface {
// Register registers the service itself to a gRPC server.
Register(*grpc.Server)
}
type reflectionService struct{}
func (r reflectionService) Register(s *grpc.Server) {
reflection.Register(s)
}
func init() {
common.Must(common.RegisterConfig((*ReflectionConfig)(nil), func(ctx context.Context, cfg interface{}) (interface{}, error) {
return reflectionService{}, nil
}))
}

209
app/dispatcher/config.pb.go Normal file
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@ -0,0 +1,209 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.14.0
// source: app/dispatcher/config.proto
package dispatcher
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 SessionConfig struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *SessionConfig) Reset() {
*x = SessionConfig{}
if protoimpl.UnsafeEnabled {
mi := &file_app_dispatcher_config_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *SessionConfig) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*SessionConfig) ProtoMessage() {}
func (x *SessionConfig) ProtoReflect() protoreflect.Message {
mi := &file_app_dispatcher_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 SessionConfig.ProtoReflect.Descriptor instead.
func (*SessionConfig) Descriptor() ([]byte, []int) {
return file_app_dispatcher_config_proto_rawDescGZIP(), []int{0}
}
type Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Settings *SessionConfig `protobuf:"bytes,1,opt,name=settings,proto3" json:"settings,omitempty"`
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_app_dispatcher_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_app_dispatcher_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_app_dispatcher_config_proto_rawDescGZIP(), []int{1}
}
func (x *Config) GetSettings() *SessionConfig {
if x != nil {
return x.Settings
}
return nil
}
var File_app_dispatcher_config_proto protoreflect.FileDescriptor
var file_app_dispatcher_config_proto_rawDesc = []byte{
0x0a, 0x1b, 0x61, 0x70, 0x70, 0x2f, 0x64, 0x69, 0x73, 0x70, 0x61, 0x74, 0x63, 0x68, 0x65, 0x72,
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0x5a, 0x2b, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c,
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0x70, 0x70, 0x2f, 0x64, 0x69, 0x73, 0x70, 0x61, 0x74, 0x63, 0x68, 0x65, 0x72, 0xaa, 0x02, 0x13,
0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x44, 0x69, 0x73, 0x70, 0x61, 0x74, 0x63,
0x68, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}
var (
file_app_dispatcher_config_proto_rawDescOnce sync.Once
file_app_dispatcher_config_proto_rawDescData = file_app_dispatcher_config_proto_rawDesc
)
func file_app_dispatcher_config_proto_rawDescGZIP() []byte {
file_app_dispatcher_config_proto_rawDescOnce.Do(func() {
file_app_dispatcher_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_app_dispatcher_config_proto_rawDescData)
})
return file_app_dispatcher_config_proto_rawDescData
}
var file_app_dispatcher_config_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_app_dispatcher_config_proto_goTypes = []interface{}{
(*SessionConfig)(nil), // 0: xray.app.dispatcher.SessionConfig
(*Config)(nil), // 1: xray.app.dispatcher.Config
}
var file_app_dispatcher_config_proto_depIdxs = []int32{
0, // 0: xray.app.dispatcher.Config.settings:type_name -> xray.app.dispatcher.SessionConfig
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_app_dispatcher_config_proto_init() }
func file_app_dispatcher_config_proto_init() {
if File_app_dispatcher_config_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_app_dispatcher_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*SessionConfig); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_dispatcher_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_app_dispatcher_config_proto_rawDesc,
NumEnums: 0,
NumMessages: 2,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_app_dispatcher_config_proto_goTypes,
DependencyIndexes: file_app_dispatcher_config_proto_depIdxs,
MessageInfos: file_app_dispatcher_config_proto_msgTypes,
}.Build()
File_app_dispatcher_config_proto = out.File
file_app_dispatcher_config_proto_rawDesc = nil
file_app_dispatcher_config_proto_goTypes = nil
file_app_dispatcher_config_proto_depIdxs = nil
}

15
app/dispatcher/config.proto Normal file
View file

@ -0,0 +1,15 @@
syntax = "proto3";
package xray.app.dispatcher;
option csharp_namespace = "Xray.App.Dispatcher";
option go_package = "github.com/xtls/xray-core/v1/app/dispatcher";
option java_package = "com.xray.app.dispatcher";
option java_multiple_files = true;
message SessionConfig {
reserved 1;
}
message Config {
SessionConfig settings = 1;
}

301
app/dispatcher/default.go Normal file
View file

@ -0,0 +1,301 @@
// +build !confonly
package dispatcher
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"context"
"strings"
"sync"
"time"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/buf"
"github.com/xtls/xray-core/v1/common/log"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/protocol"
"github.com/xtls/xray-core/v1/common/session"
"github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/features/outbound"
"github.com/xtls/xray-core/v1/features/policy"
"github.com/xtls/xray-core/v1/features/routing"
routing_session "github.com/xtls/xray-core/v1/features/routing/session"
"github.com/xtls/xray-core/v1/features/stats"
"github.com/xtls/xray-core/v1/transport"
"github.com/xtls/xray-core/v1/transport/pipe"
)
var (
errSniffingTimeout = newError("timeout on sniffing")
)
type cachedReader struct {
sync.Mutex
reader *pipe.Reader
cache buf.MultiBuffer
}
func (r *cachedReader) Cache(b *buf.Buffer) {
mb, _ := r.reader.ReadMultiBufferTimeout(time.Millisecond * 100)
r.Lock()
if !mb.IsEmpty() {
r.cache, _ = buf.MergeMulti(r.cache, mb)
}
b.Clear()
rawBytes := b.Extend(buf.Size)
n := r.cache.Copy(rawBytes)
b.Resize(0, int32(n))
r.Unlock()
}
func (r *cachedReader) readInternal() buf.MultiBuffer {
r.Lock()
defer r.Unlock()
if r.cache != nil && !r.cache.IsEmpty() {
mb := r.cache
r.cache = nil
return mb
}
return nil
}
func (r *cachedReader) ReadMultiBuffer() (buf.MultiBuffer, error) {
mb := r.readInternal()
if mb != nil {
return mb, nil
}
return r.reader.ReadMultiBuffer()
}
func (r *cachedReader) ReadMultiBufferTimeout(timeout time.Duration) (buf.MultiBuffer, error) {
mb := r.readInternal()
if mb != nil {
return mb, nil
}
return r.reader.ReadMultiBufferTimeout(timeout)
}
func (r *cachedReader) Interrupt() {
r.Lock()
if r.cache != nil {
r.cache = buf.ReleaseMulti(r.cache)
}
r.Unlock()
r.reader.Interrupt()
}
// DefaultDispatcher is a default implementation of Dispatcher.
type DefaultDispatcher struct {
ohm outbound.Manager
router routing.Router
policy policy.Manager
stats stats.Manager
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
d := new(DefaultDispatcher)
if err := core.RequireFeatures(ctx, func(om outbound.Manager, router routing.Router, pm policy.Manager, sm stats.Manager) error {
return d.Init(config.(*Config), om, router, pm, sm)
}); err != nil {
return nil, err
}
return d, nil
}))
}
// Init initializes DefaultDispatcher.
func (d *DefaultDispatcher) Init(config *Config, om outbound.Manager, router routing.Router, pm policy.Manager, sm stats.Manager) error {
d.ohm = om
d.router = router
d.policy = pm
d.stats = sm
return nil
}
// Type implements common.HasType.
func (*DefaultDispatcher) Type() interface{} {
return routing.DispatcherType()
}
// Start implements common.Runnable.
func (*DefaultDispatcher) Start() error {
return nil
}
// Close implements common.Closable.
func (*DefaultDispatcher) Close() error { return nil }
func (d *DefaultDispatcher) getLink(ctx context.Context) (*transport.Link, *transport.Link) {
opt := pipe.OptionsFromContext(ctx)
uplinkReader, uplinkWriter := pipe.New(opt...)
downlinkReader, downlinkWriter := pipe.New(opt...)
inboundLink := &transport.Link{
Reader: downlinkReader,
Writer: uplinkWriter,
}
outboundLink := &transport.Link{
Reader: uplinkReader,
Writer: downlinkWriter,
}
sessionInbound := session.InboundFromContext(ctx)
var user *protocol.MemoryUser
if sessionInbound != nil {
user = sessionInbound.User
}
if user != nil && len(user.Email) > 0 {
p := d.policy.ForLevel(user.Level)
if p.Stats.UserUplink {
name := "user>>>" + user.Email + ">>>traffic>>>uplink"
if c, _ := stats.GetOrRegisterCounter(d.stats, name); c != nil {
inboundLink.Writer = &SizeStatWriter{
Counter: c,
Writer: inboundLink.Writer,
}
}
}
if p.Stats.UserDownlink {
name := "user>>>" + user.Email + ">>>traffic>>>downlink"
if c, _ := stats.GetOrRegisterCounter(d.stats, name); c != nil {
outboundLink.Writer = &SizeStatWriter{
Counter: c,
Writer: outboundLink.Writer,
}
}
}
}
return inboundLink, outboundLink
}
func shouldOverride(result SniffResult, domainOverride []string) bool {
for _, p := range domainOverride {
if strings.HasPrefix(result.Protocol(), p) {
return true
}
}
return false
}
// Dispatch implements routing.Dispatcher.
func (d *DefaultDispatcher) Dispatch(ctx context.Context, destination net.Destination) (*transport.Link, error) {
if !destination.IsValid() {
panic("Dispatcher: Invalid destination.")
}
ob := &session.Outbound{
Target: destination,
}
ctx = session.ContextWithOutbound(ctx, ob)
inbound, outbound := d.getLink(ctx)
content := session.ContentFromContext(ctx)
if content == nil {
content = new(session.Content)
ctx = session.ContextWithContent(ctx, content)
}
sniffingRequest := content.SniffingRequest
if destination.Network != net.Network_TCP || !sniffingRequest.Enabled {
go d.routedDispatch(ctx, outbound, destination)
} else {
go func() {
cReader := &cachedReader{
reader: outbound.Reader.(*pipe.Reader),
}
outbound.Reader = cReader
result, err := sniffer(ctx, cReader)
if err == nil {
content.Protocol = result.Protocol()
}
if err == nil && shouldOverride(result, sniffingRequest.OverrideDestinationForProtocol) {
domain := result.Domain()
newError("sniffed domain: ", domain).WriteToLog(session.ExportIDToError(ctx))
destination.Address = net.ParseAddress(domain)
ob.Target = destination
}
d.routedDispatch(ctx, outbound, destination)
}()
}
return inbound, nil
}
func sniffer(ctx context.Context, cReader *cachedReader) (SniffResult, error) {
payload := buf.New()
defer payload.Release()
sniffer := NewSniffer()
totalAttempt := 0
for {
select {
case <-ctx.Done():
return nil, ctx.Err()
default:
totalAttempt++
if totalAttempt > 2 {
return nil, errSniffingTimeout
}
cReader.Cache(payload)
if !payload.IsEmpty() {
result, err := sniffer.Sniff(payload.Bytes())
if err != common.ErrNoClue {
return result, err
}
}
if payload.IsFull() {
return nil, errUnknownContent
}
}
}
}
func (d *DefaultDispatcher) routedDispatch(ctx context.Context, link *transport.Link, destination net.Destination) {
var handler outbound.Handler
skipRoutePick := false
if content := session.ContentFromContext(ctx); content != nil {
skipRoutePick = content.SkipRoutePick
}
if d.router != nil && !skipRoutePick {
if route, err := d.router.PickRoute(routing_session.AsRoutingContext(ctx)); err == nil {
tag := route.GetOutboundTag()
if h := d.ohm.GetHandler(tag); h != nil {
newError("taking detour [", tag, "] for [", destination, "]").WriteToLog(session.ExportIDToError(ctx))
handler = h
} else {
newError("non existing tag: ", tag).AtWarning().WriteToLog(session.ExportIDToError(ctx))
}
} else {
newError("default route for ", destination).WriteToLog(session.ExportIDToError(ctx))
}
}
if handler == nil {
handler = d.ohm.GetDefaultHandler()
}
if handler == nil {
newError("default outbound handler not exist").WriteToLog(session.ExportIDToError(ctx))
common.Close(link.Writer)
common.Interrupt(link.Reader)
return
}
if accessMessage := log.AccessMessageFromContext(ctx); accessMessage != nil {
if tag := handler.Tag(); tag != "" {
accessMessage.Detour = tag
}
log.Record(accessMessage)
}
handler.Dispatch(ctx, link)
}

5
app/dispatcher/dispatcher.go Normal file
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@ -0,0 +1,5 @@
// +build !confonly
package dispatcher
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen

9
app/dispatcher/errors.generated.go Normal file
View file

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

55
app/dispatcher/sniffer.go Normal file
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@ -0,0 +1,55 @@
// +build !confonly
package dispatcher
import (
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/protocol/bittorrent"
"github.com/xtls/xray-core/v1/common/protocol/http"
"github.com/xtls/xray-core/v1/common/protocol/tls"
)
type SniffResult interface {
Protocol() string
Domain() string
}
type protocolSniffer func([]byte) (SniffResult, error)
type Sniffer struct {
sniffer []protocolSniffer
}
func NewSniffer() *Sniffer {
return &Sniffer{
sniffer: []protocolSniffer{
func(b []byte) (SniffResult, error) { return http.SniffHTTP(b) },
func(b []byte) (SniffResult, error) { return tls.SniffTLS(b) },
func(b []byte) (SniffResult, error) { return bittorrent.SniffBittorrent(b) },
},
}
}
var errUnknownContent = newError("unknown content")
func (s *Sniffer) Sniff(payload []byte) (SniffResult, error) {
var pendingSniffer []protocolSniffer
for _, s := range s.sniffer {
result, err := s(payload)
if err == common.ErrNoClue {
pendingSniffer = append(pendingSniffer, s)
continue
}
if err == nil && result != nil {
return result, nil
}
}
if len(pendingSniffer) > 0 {
s.sniffer = pendingSniffer
return nil, common.ErrNoClue
}
return nil, errUnknownContent
}

27
app/dispatcher/stats.go Normal file
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@ -0,0 +1,27 @@
// +build !confonly
package dispatcher
import (
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/buf"
"github.com/xtls/xray-core/v1/features/stats"
)
type SizeStatWriter struct {
Counter stats.Counter
Writer buf.Writer
}
func (w *SizeStatWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
w.Counter.Add(int64(mb.Len()))
return w.Writer.WriteMultiBuffer(mb)
}
func (w *SizeStatWriter) Close() error {
return common.Close(w.Writer)
}
func (w *SizeStatWriter) Interrupt() {
common.Interrupt(w.Writer)
}

44
app/dispatcher/stats_test.go Normal file
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@ -0,0 +1,44 @@
package dispatcher_test
import (
"testing"
. "github.com/xtls/xray-core/v1/app/dispatcher"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/buf"
)
type TestCounter int64
func (c *TestCounter) Value() int64 {
return int64(*c)
}
func (c *TestCounter) Add(v int64) int64 {
x := int64(*c) + v
*c = TestCounter(x)
return x
}
func (c *TestCounter) Set(v int64) int64 {
*c = TestCounter(v)
return v
}
func TestStatsWriter(t *testing.T) {
var c TestCounter
writer := &SizeStatWriter{
Counter: &c,
Writer: buf.Discard,
}
mb := buf.MergeBytes(nil, []byte("abcd"))
common.Must(writer.WriteMultiBuffer(mb))
mb = buf.MergeBytes(nil, []byte("efg"))
common.Must(writer.WriteMultiBuffer(mb))
if c.Value() != 7 {
t.Fatal("unexpected counter value. want 7, but got ", c.Value())
}
}

654
app/dns/config.pb.go Normal file
View file

@ -0,0 +1,654 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.14.0
// source: app/dns/config.proto
package dns
import (
proto "github.com/golang/protobuf/proto"
router "github.com/xtls/xray-core/v1/app/router"
net "github.com/xtls/xray-core/v1/common/net"
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 DomainMatchingType int32
const (
DomainMatchingType_Full DomainMatchingType = 0
DomainMatchingType_Subdomain DomainMatchingType = 1
DomainMatchingType_Keyword DomainMatchingType = 2
DomainMatchingType_Regex DomainMatchingType = 3
)
// Enum value maps for DomainMatchingType.
var (
DomainMatchingType_name = map[int32]string{
0: "Full",
1: "Subdomain",
2: "Keyword",
3: "Regex",
}
DomainMatchingType_value = map[string]int32{
"Full": 0,
"Subdomain": 1,
"Keyword": 2,
"Regex": 3,
}
)
func (x DomainMatchingType) Enum() *DomainMatchingType {
p := new(DomainMatchingType)
*p = x
return p
}
func (x DomainMatchingType) String() string {
return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
}
func (DomainMatchingType) Descriptor() protoreflect.EnumDescriptor {
return file_app_dns_config_proto_enumTypes[0].Descriptor()
}
func (DomainMatchingType) Type() protoreflect.EnumType {
return &file_app_dns_config_proto_enumTypes[0]
}
func (x DomainMatchingType) Number() protoreflect.EnumNumber {
return protoreflect.EnumNumber(x)
}
// Deprecated: Use DomainMatchingType.Descriptor instead.
func (DomainMatchingType) EnumDescriptor() ([]byte, []int) {
return file_app_dns_config_proto_rawDescGZIP(), []int{0}
}
type NameServer struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Address *net.Endpoint `protobuf:"bytes,1,opt,name=address,proto3" json:"address,omitempty"`
PrioritizedDomain []*NameServer_PriorityDomain `protobuf:"bytes,2,rep,name=prioritized_domain,json=prioritizedDomain,proto3" json:"prioritized_domain,omitempty"`
Geoip []*router.GeoIP `protobuf:"bytes,3,rep,name=geoip,proto3" json:"geoip,omitempty"`
OriginalRules []*NameServer_OriginalRule `protobuf:"bytes,4,rep,name=original_rules,json=originalRules,proto3" json:"original_rules,omitempty"`
}
func (x *NameServer) Reset() {
*x = NameServer{}
if protoimpl.UnsafeEnabled {
mi := &file_app_dns_config_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *NameServer) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*NameServer) ProtoMessage() {}
func (x *NameServer) ProtoReflect() protoreflect.Message {
mi := &file_app_dns_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 NameServer.ProtoReflect.Descriptor instead.
func (*NameServer) Descriptor() ([]byte, []int) {
return file_app_dns_config_proto_rawDescGZIP(), []int{0}
}
func (x *NameServer) GetAddress() *net.Endpoint {
if x != nil {
return x.Address
}
return nil
}
func (x *NameServer) GetPrioritizedDomain() []*NameServer_PriorityDomain {
if x != nil {
return x.PrioritizedDomain
}
return nil
}
func (x *NameServer) GetGeoip() []*router.GeoIP {
if x != nil {
return x.Geoip
}
return nil
}
func (x *NameServer) GetOriginalRules() []*NameServer_OriginalRule {
if x != nil {
return x.OriginalRules
}
return nil
}
type Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Nameservers used by this DNS. Only traditional UDP servers are support at
// the moment. A special value 'localhost' as a domain address can be set to
// use DNS on local system.
//
// Deprecated: Do not use.
NameServers []*net.Endpoint `protobuf:"bytes,1,rep,name=NameServers,proto3" json:"NameServers,omitempty"`
// NameServer list used by this DNS client.
NameServer []*NameServer `protobuf:"bytes,5,rep,name=name_server,json=nameServer,proto3" json:"name_server,omitempty"`
// Static hosts. Domain to IP.
// Deprecated. Use static_hosts.
//
// Deprecated: Do not use.
Hosts map[string]*net.IPOrDomain `protobuf:"bytes,2,rep,name=Hosts,proto3" json:"Hosts,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
// Client IP for EDNS client subnet. Must be 4 bytes (IPv4) or 16 bytes
// (IPv6).
ClientIp []byte `protobuf:"bytes,3,opt,name=client_ip,json=clientIp,proto3" json:"client_ip,omitempty"`
StaticHosts []*Config_HostMapping `protobuf:"bytes,4,rep,name=static_hosts,json=staticHosts,proto3" json:"static_hosts,omitempty"`
// Tag is the inbound tag of DNS client.
Tag string `protobuf:"bytes,6,opt,name=tag,proto3" json:"tag,omitempty"`
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_app_dns_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_app_dns_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_app_dns_config_proto_rawDescGZIP(), []int{1}
}
// Deprecated: Do not use.
func (x *Config) GetNameServers() []*net.Endpoint {
if x != nil {
return x.NameServers
}
return nil
}
func (x *Config) GetNameServer() []*NameServer {
if x != nil {
return x.NameServer
}
return nil
}
// Deprecated: Do not use.
func (x *Config) GetHosts() map[string]*net.IPOrDomain {
if x != nil {
return x.Hosts
}
return nil
}
func (x *Config) GetClientIp() []byte {
if x != nil {
return x.ClientIp
}
return nil
}
func (x *Config) GetStaticHosts() []*Config_HostMapping {
if x != nil {
return x.StaticHosts
}
return nil
}
func (x *Config) GetTag() string {
if x != nil {
return x.Tag
}
return ""
}
type NameServer_PriorityDomain struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Type DomainMatchingType `protobuf:"varint,1,opt,name=type,proto3,enum=xray.app.dns.DomainMatchingType" json:"type,omitempty"`
Domain string `protobuf:"bytes,2,opt,name=domain,proto3" json:"domain,omitempty"`
}
func (x *NameServer_PriorityDomain) Reset() {
*x = NameServer_PriorityDomain{}
if protoimpl.UnsafeEnabled {
mi := &file_app_dns_config_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *NameServer_PriorityDomain) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*NameServer_PriorityDomain) ProtoMessage() {}
func (x *NameServer_PriorityDomain) ProtoReflect() protoreflect.Message {
mi := &file_app_dns_config_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use NameServer_PriorityDomain.ProtoReflect.Descriptor instead.
func (*NameServer_PriorityDomain) Descriptor() ([]byte, []int) {
return file_app_dns_config_proto_rawDescGZIP(), []int{0, 0}
}
func (x *NameServer_PriorityDomain) GetType() DomainMatchingType {
if x != nil {
return x.Type
}
return DomainMatchingType_Full
}
func (x *NameServer_PriorityDomain) GetDomain() string {
if x != nil {
return x.Domain
}
return ""
}
type NameServer_OriginalRule struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Rule string `protobuf:"bytes,1,opt,name=rule,proto3" json:"rule,omitempty"`
Size uint32 `protobuf:"varint,2,opt,name=size,proto3" json:"size,omitempty"`
}
func (x *NameServer_OriginalRule) Reset() {
*x = NameServer_OriginalRule{}
if protoimpl.UnsafeEnabled {
mi := &file_app_dns_config_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *NameServer_OriginalRule) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*NameServer_OriginalRule) ProtoMessage() {}
func (x *NameServer_OriginalRule) ProtoReflect() protoreflect.Message {
mi := &file_app_dns_config_proto_msgTypes[3]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use NameServer_OriginalRule.ProtoReflect.Descriptor instead.
func (*NameServer_OriginalRule) Descriptor() ([]byte, []int) {
return file_app_dns_config_proto_rawDescGZIP(), []int{0, 1}
}
func (x *NameServer_OriginalRule) GetRule() string {
if x != nil {
return x.Rule
}
return ""
}
func (x *NameServer_OriginalRule) GetSize() uint32 {
if x != nil {
return x.Size
}
return 0
}
type Config_HostMapping struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Type DomainMatchingType `protobuf:"varint,1,opt,name=type,proto3,enum=xray.app.dns.DomainMatchingType" json:"type,omitempty"`
Domain string `protobuf:"bytes,2,opt,name=domain,proto3" json:"domain,omitempty"`
Ip [][]byte `protobuf:"bytes,3,rep,name=ip,proto3" json:"ip,omitempty"`
// ProxiedDomain indicates the mapped domain has the same IP address on this
// domain. Xray will use this domain for IP queries. This field is only
// effective if ip is empty.
ProxiedDomain string `protobuf:"bytes,4,opt,name=proxied_domain,json=proxiedDomain,proto3" json:"proxied_domain,omitempty"`
}
func (x *Config_HostMapping) Reset() {
*x = Config_HostMapping{}
if protoimpl.UnsafeEnabled {
mi := &file_app_dns_config_proto_msgTypes[5]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Config_HostMapping) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Config_HostMapping) ProtoMessage() {}
func (x *Config_HostMapping) ProtoReflect() protoreflect.Message {
mi := &file_app_dns_config_proto_msgTypes[5]
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_HostMapping.ProtoReflect.Descriptor instead.
func (*Config_HostMapping) Descriptor() ([]byte, []int) {
return file_app_dns_config_proto_rawDescGZIP(), []int{1, 1}
}
func (x *Config_HostMapping) GetType() DomainMatchingType {
if x != nil {
return x.Type
}
return DomainMatchingType_Full
}
func (x *Config_HostMapping) GetDomain() string {
if x != nil {
return x.Domain
}
return ""
}
func (x *Config_HostMapping) GetIp() [][]byte {
if x != nil {
return x.Ip
}
return nil
}
func (x *Config_HostMapping) GetProxiedDomain() string {
if x != nil {
return x.ProxiedDomain
}
return ""
}
var File_app_dns_config_proto protoreflect.FileDescriptor
var file_app_dns_config_proto_rawDesc = []byte{
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0x33,
}
var (
file_app_dns_config_proto_rawDescOnce sync.Once
file_app_dns_config_proto_rawDescData = file_app_dns_config_proto_rawDesc
)
func file_app_dns_config_proto_rawDescGZIP() []byte {
file_app_dns_config_proto_rawDescOnce.Do(func() {
file_app_dns_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_app_dns_config_proto_rawDescData)
})
return file_app_dns_config_proto_rawDescData
}
var file_app_dns_config_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
var file_app_dns_config_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
var file_app_dns_config_proto_goTypes = []interface{}{
(DomainMatchingType)(0), // 0: xray.app.dns.DomainMatchingType
(*NameServer)(nil), // 1: xray.app.dns.NameServer
(*Config)(nil), // 2: xray.app.dns.Config
(*NameServer_PriorityDomain)(nil), // 3: xray.app.dns.NameServer.PriorityDomain
(*NameServer_OriginalRule)(nil), // 4: xray.app.dns.NameServer.OriginalRule
nil, // 5: xray.app.dns.Config.HostsEntry
(*Config_HostMapping)(nil), // 6: xray.app.dns.Config.HostMapping
(*net.Endpoint)(nil), // 7: xray.common.net.Endpoint
(*router.GeoIP)(nil), // 8: xray.app.router.GeoIP
(*net.IPOrDomain)(nil), // 9: xray.common.net.IPOrDomain
}
var file_app_dns_config_proto_depIdxs = []int32{
7, // 0: xray.app.dns.NameServer.address:type_name -> xray.common.net.Endpoint
3, // 1: xray.app.dns.NameServer.prioritized_domain:type_name -> xray.app.dns.NameServer.PriorityDomain
8, // 2: xray.app.dns.NameServer.geoip:type_name -> xray.app.router.GeoIP
4, // 3: xray.app.dns.NameServer.original_rules:type_name -> xray.app.dns.NameServer.OriginalRule
7, // 4: xray.app.dns.Config.NameServers:type_name -> xray.common.net.Endpoint
1, // 5: xray.app.dns.Config.name_server:type_name -> xray.app.dns.NameServer
5, // 6: xray.app.dns.Config.Hosts:type_name -> xray.app.dns.Config.HostsEntry
6, // 7: xray.app.dns.Config.static_hosts:type_name -> xray.app.dns.Config.HostMapping
0, // 8: xray.app.dns.NameServer.PriorityDomain.type:type_name -> xray.app.dns.DomainMatchingType
9, // 9: xray.app.dns.Config.HostsEntry.value:type_name -> xray.common.net.IPOrDomain
0, // 10: xray.app.dns.Config.HostMapping.type:type_name -> xray.app.dns.DomainMatchingType
11, // [11:11] is the sub-list for method output_type
11, // [11:11] is the sub-list for method input_type
11, // [11:11] is the sub-list for extension type_name
11, // [11:11] is the sub-list for extension extendee
0, // [0:11] is the sub-list for field type_name
}
func init() { file_app_dns_config_proto_init() }
func file_app_dns_config_proto_init() {
if File_app_dns_config_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_app_dns_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*NameServer); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_dns_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
}
}
file_app_dns_config_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*NameServer_PriorityDomain); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_dns_config_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*NameServer_OriginalRule); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_dns_config_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Config_HostMapping); 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_app_dns_config_proto_rawDesc,
NumEnums: 1,
NumMessages: 6,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_app_dns_config_proto_goTypes,
DependencyIndexes: file_app_dns_config_proto_depIdxs,
EnumInfos: file_app_dns_config_proto_enumTypes,
MessageInfos: file_app_dns_config_proto_msgTypes,
}.Build()
File_app_dns_config_proto = out.File
file_app_dns_config_proto_rawDesc = nil
file_app_dns_config_proto_goTypes = nil
file_app_dns_config_proto_depIdxs = nil
}

71
app/dns/config.proto Normal file
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syntax = "proto3";
package xray.app.dns;
option csharp_namespace = "Xray.App.Dns";
option go_package = "github.com/xtls/xray-core/v1/app/dns";
option java_package = "com.xray.app.dns";
option java_multiple_files = true;
import "common/net/address.proto";
import "common/net/destination.proto";
import "app/router/config.proto";
message NameServer {
xray.common.net.Endpoint address = 1;
message PriorityDomain {
DomainMatchingType type = 1;
string domain = 2;
}
message OriginalRule {
string rule = 1;
uint32 size = 2;
}
repeated PriorityDomain prioritized_domain = 2;
repeated xray.app.router.GeoIP geoip = 3;
repeated OriginalRule original_rules = 4;
}
enum DomainMatchingType {
Full = 0;
Subdomain = 1;
Keyword = 2;
Regex = 3;
}
message Config {
// Nameservers used by this DNS. Only traditional UDP servers are support at
// the moment. A special value 'localhost' as a domain address can be set to
// use DNS on local system.
repeated xray.common.net.Endpoint NameServers = 1 [deprecated = true];
// NameServer list used by this DNS client.
repeated NameServer name_server = 5;
// Static hosts. Domain to IP.
// Deprecated. Use static_hosts.
map<string, xray.common.net.IPOrDomain> Hosts = 2 [deprecated = true];
// Client IP for EDNS client subnet. Must be 4 bytes (IPv4) or 16 bytes
// (IPv6).
bytes client_ip = 3;
message HostMapping {
DomainMatchingType type = 1;
string domain = 2;
repeated bytes ip = 3;
// ProxiedDomain indicates the mapped domain has the same IP address on this
// domain. Xray will use this domain for IP queries. This field is only
// effective if ip is empty.
string proxied_domain = 4;
}
repeated HostMapping static_hosts = 4;
// Tag is the inbound tag of DNS client.
string tag = 6;
}

4
app/dns/dns.go Normal file
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// Package dns is an implementation of core.DNS feature.
package dns
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen

230
app/dns/dnscommon.go Normal file
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@ -0,0 +1,230 @@
// +build !confonly
package dns
import (
"encoding/binary"
"time"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/errors"
"github.com/xtls/xray-core/v1/common/net"
dns_feature "github.com/xtls/xray-core/v1/features/dns"
"golang.org/x/net/dns/dnsmessage"
)
// Fqdn normalize domain make sure it ends with '.'
func Fqdn(domain string) string {
if len(domain) > 0 && domain[len(domain)-1] == '.' {
return domain
}
return domain + "."
}
type record struct {
A *IPRecord
AAAA *IPRecord
}
// IPRecord is a cacheable item for a resolved domain
type IPRecord struct {
ReqID uint16
IP []net.Address
Expire time.Time
RCode dnsmessage.RCode
}
func (r *IPRecord) getIPs() ([]net.Address, error) {
if r == nil || r.Expire.Before(time.Now()) {
return nil, errRecordNotFound
}
if r.RCode != dnsmessage.RCodeSuccess {
return nil, dns_feature.RCodeError(r.RCode)
}
return r.IP, nil
}
func isNewer(baseRec *IPRecord, newRec *IPRecord) bool {
if newRec == nil {
return false
}
if baseRec == nil {
return true
}
return baseRec.Expire.Before(newRec.Expire)
}
var (
errRecordNotFound = errors.New("record not found")
)
type dnsRequest struct {
reqType dnsmessage.Type
domain string
start time.Time
expire time.Time
msg *dnsmessage.Message
}
func genEDNS0Options(clientIP net.IP) *dnsmessage.Resource {
if len(clientIP) == 0 {
return nil
}
var netmask int
var family uint16
if len(clientIP) == 4 {
family = 1
netmask = 24 // 24 for IPV4, 96 for IPv6
} else {
family = 2
netmask = 96
}
b := make([]byte, 4)
binary.BigEndian.PutUint16(b[0:], family)
b[2] = byte(netmask)
b[3] = 0
switch family {
case 1:
ip := clientIP.To4().Mask(net.CIDRMask(netmask, net.IPv4len*8))
needLength := (netmask + 8 - 1) / 8 // division rounding up
b = append(b, ip[:needLength]...)
case 2:
ip := clientIP.Mask(net.CIDRMask(netmask, net.IPv6len*8))
needLength := (netmask + 8 - 1) / 8 // division rounding up
b = append(b, ip[:needLength]...)
}
const EDNS0SUBNET = 0x08
opt := new(dnsmessage.Resource)
common.Must(opt.Header.SetEDNS0(1350, 0xfe00, true))
opt.Body = &dnsmessage.OPTResource{
Options: []dnsmessage.Option{
{
Code: EDNS0SUBNET,
Data: b,
},
},
}
return opt
}
func buildReqMsgs(domain string, option IPOption, reqIDGen func() uint16, reqOpts *dnsmessage.Resource) []*dnsRequest {
qA := dnsmessage.Question{
Name: dnsmessage.MustNewName(domain),
Type: dnsmessage.TypeA,
Class: dnsmessage.ClassINET,
}
qAAAA := dnsmessage.Question{
Name: dnsmessage.MustNewName(domain),
Type: dnsmessage.TypeAAAA,
Class: dnsmessage.ClassINET,
}
var reqs []*dnsRequest
now := time.Now()
if option.IPv4Enable {
msg := new(dnsmessage.Message)
msg.Header.ID = reqIDGen()
msg.Header.RecursionDesired = true
msg.Questions = []dnsmessage.Question{qA}
if reqOpts != nil {
msg.Additionals = append(msg.Additionals, *reqOpts)
}
reqs = append(reqs, &dnsRequest{
reqType: dnsmessage.TypeA,
domain: domain,
start: now,
msg: msg,
})
}
if option.IPv6Enable {
msg := new(dnsmessage.Message)
msg.Header.ID = reqIDGen()
msg.Header.RecursionDesired = true
msg.Questions = []dnsmessage.Question{qAAAA}
if reqOpts != nil {
msg.Additionals = append(msg.Additionals, *reqOpts)
}
reqs = append(reqs, &dnsRequest{
reqType: dnsmessage.TypeAAAA,
domain: domain,
start: now,
msg: msg,
})
}
return reqs
}
// parseResponse parse DNS answers from the returned payload
func parseResponse(payload []byte) (*IPRecord, error) {
var parser dnsmessage.Parser
h, err := parser.Start(payload)
if err != nil {
return nil, newError("failed to parse DNS response").Base(err).AtWarning()
}
if err := parser.SkipAllQuestions(); err != nil {
return nil, newError("failed to skip questions in DNS response").Base(err).AtWarning()
}
now := time.Now()
ipRecord := &IPRecord{
ReqID: h.ID,
RCode: h.RCode,
Expire: now.Add(time.Second * 600),
}
L:
for {
ah, err := parser.AnswerHeader()
if err != nil {
if err != dnsmessage.ErrSectionDone {
newError("failed to parse answer section for domain: ", ah.Name.String()).Base(err).WriteToLog()
}
break
}
ttl := ah.TTL
if ttl == 0 {
ttl = 600
}
expire := now.Add(time.Duration(ttl) * time.Second)
if ipRecord.Expire.After(expire) {
ipRecord.Expire = expire
}
switch ah.Type {
case dnsmessage.TypeA:
ans, err := parser.AResource()
if err != nil {
newError("failed to parse A record for domain: ", ah.Name).Base(err).WriteToLog()
break L
}
ipRecord.IP = append(ipRecord.IP, net.IPAddress(ans.A[:]))
case dnsmessage.TypeAAAA:
ans, err := parser.AAAAResource()
if err != nil {
newError("failed to parse A record for domain: ", ah.Name).Base(err).WriteToLog()
break L
}
ipRecord.IP = append(ipRecord.IP, net.IPAddress(ans.AAAA[:]))
default:
if err := parser.SkipAnswer(); err != nil {
newError("failed to skip answer").Base(err).WriteToLog()
break L
}
continue
}
}
return ipRecord, nil
}

160
app/dns/dnscommon_test.go Normal file
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@ -0,0 +1,160 @@
// +build !confonly
package dns
import (
"math/rand"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/miekg/dns"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/net"
"golang.org/x/net/dns/dnsmessage"
)
func Test_parseResponse(t *testing.T) {
var p [][]byte
ans := new(dns.Msg)
ans.Id = 0
p = append(p, common.Must2(ans.Pack()).([]byte))
p = append(p, []byte{})
ans = new(dns.Msg)
ans.Id = 1
ans.Answer = append(ans.Answer,
common.Must2(dns.NewRR("google.com. IN CNAME m.test.google.com")).(dns.RR),
common.Must2(dns.NewRR("google.com. IN CNAME fake.google.com")).(dns.RR),
common.Must2(dns.NewRR("google.com. IN A 8.8.8.8")).(dns.RR),
common.Must2(dns.NewRR("google.com. IN A 8.8.4.4")).(dns.RR),
)
p = append(p, common.Must2(ans.Pack()).([]byte))
ans = new(dns.Msg)
ans.Id = 2
ans.Answer = append(ans.Answer,
common.Must2(dns.NewRR("google.com. IN CNAME m.test.google.com")).(dns.RR),
common.Must2(dns.NewRR("google.com. IN CNAME fake.google.com")).(dns.RR),
common.Must2(dns.NewRR("google.com. IN CNAME m.test.google.com")).(dns.RR),
common.Must2(dns.NewRR("google.com. IN CNAME test.google.com")).(dns.RR),
common.Must2(dns.NewRR("google.com. IN AAAA 2001::123:8888")).(dns.RR),
common.Must2(dns.NewRR("google.com. IN AAAA 2001::123:8844")).(dns.RR),
)
p = append(p, common.Must2(ans.Pack()).([]byte))
tests := []struct {
name string
want *IPRecord
wantErr bool
}{
{"empty",
&IPRecord{0, []net.Address(nil), time.Time{}, dnsmessage.RCodeSuccess},
false,
},
{"error",
nil,
true,
},
{"a record",
&IPRecord{1, []net.Address{net.ParseAddress("8.8.8.8"), net.ParseAddress("8.8.4.4")},
time.Time{}, dnsmessage.RCodeSuccess},
false,
},
{"aaaa record",
&IPRecord{2, []net.Address{net.ParseAddress("2001::123:8888"), net.ParseAddress("2001::123:8844")}, time.Time{}, dnsmessage.RCodeSuccess},
false,
},
}
for i, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := parseResponse(p[i])
if (err != nil) != tt.wantErr {
t.Errorf("handleResponse() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != nil {
// reset the time
got.Expire = time.Time{}
}
if cmp.Diff(got, tt.want) != "" {
t.Errorf(cmp.Diff(got, tt.want))
// t.Errorf("handleResponse() = %#v, want %#v", got, tt.want)
}
})
}
}
func Test_buildReqMsgs(t *testing.T) {
stubID := func() uint16 {
return uint16(rand.Uint32())
}
type args struct {
domain string
option IPOption
reqOpts *dnsmessage.Resource
}
tests := []struct {
name string
args args
want int
}{
{"dual stack", args{"test.com", IPOption{true, true}, nil}, 2},
{"ipv4 only", args{"test.com", IPOption{true, false}, nil}, 1},
{"ipv6 only", args{"test.com", IPOption{false, true}, nil}, 1},
{"none/error", args{"test.com", IPOption{false, false}, nil}, 0},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := buildReqMsgs(tt.args.domain, tt.args.option, stubID, tt.args.reqOpts); !(len(got) == tt.want) {
t.Errorf("buildReqMsgs() = %v, want %v", got, tt.want)
}
})
}
}
func Test_genEDNS0Options(t *testing.T) {
type args struct {
clientIP net.IP
}
tests := []struct {
name string
args args
want *dnsmessage.Resource
}{
// TODO: Add test cases.
{"ipv4", args{net.ParseIP("4.3.2.1")}, nil},
{"ipv6", args{net.ParseIP("2001::4321")}, nil},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := genEDNS0Options(tt.args.clientIP); got == nil {
t.Errorf("genEDNS0Options() = %v, want %v", got, tt.want)
}
})
}
}
func TestFqdn(t *testing.T) {
type args struct {
domain string
}
tests := []struct {
name string
args args
want string
}{
{"with fqdn", args{"www.example.com."}, "www.example.com."},
{"without fqdn", args{"www.example.com"}, "www.example.com."},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := Fqdn(tt.args.domain); got != tt.want {
t.Errorf("Fqdn() = %v, want %v", got, tt.want)
}
})
}
}

383
app/dns/dohdns.go Normal file
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// +build !confonly
package dns
import (
"bytes"
"context"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"sync"
"sync/atomic"
"time"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/protocol/dns"
"github.com/xtls/xray-core/v1/common/session"
"github.com/xtls/xray-core/v1/common/signal/pubsub"
"github.com/xtls/xray-core/v1/common/task"
dns_feature "github.com/xtls/xray-core/v1/features/dns"
"github.com/xtls/xray-core/v1/features/routing"
"github.com/xtls/xray-core/v1/transport/internet"
"golang.org/x/net/dns/dnsmessage"
)
// DoHNameServer implemented DNS over HTTPS (RFC8484) Wire Format,
// which is compatible with traditional dns over udp(RFC1035),
// thus most of the DOH implementation is copied from udpns.go
type DoHNameServer struct {
sync.RWMutex
ips map[string]record
pub *pubsub.Service
cleanup *task.Periodic
reqID uint32
clientIP net.IP
httpClient *http.Client
dohURL string
name string
}
// NewDoHNameServer creates DOH client object for remote resolving
func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher, clientIP net.IP) (*DoHNameServer, error) {
newError("DNS: created Remote DOH client for ", url.String()).AtInfo().WriteToLog()
s := baseDOHNameServer(url, "DOH", clientIP)
// Dispatched connection will be closed (interrupted) after each request
// This makes DOH inefficient without a keep-alived connection
// See: core/app/proxyman/outbound/handler.go:113
// Using mux (https request wrapped in a stream layer) improves the situation.
// Recommend to use NewDoHLocalNameServer (DOHL:) if xray instance is running on
// a normal network eg. the server side of xray
tr := &http.Transport{
MaxIdleConns: 30,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 30 * time.Second,
ForceAttemptHTTP2: true,
DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
dest, err := net.ParseDestination(network + ":" + addr)
if err != nil {
return nil, err
}
link, err := dispatcher.Dispatch(ctx, dest)
if err != nil {
return nil, err
}
return net.NewConnection(
net.ConnectionInputMulti(link.Writer),
net.ConnectionOutputMulti(link.Reader),
), nil
},
}
dispatchedClient := &http.Client{
Transport: tr,
Timeout: 60 * time.Second,
}
s.httpClient = dispatchedClient
return s, nil
}
// NewDoHLocalNameServer creates DOH client object for local resolving
func NewDoHLocalNameServer(url *url.URL, clientIP net.IP) *DoHNameServer {
url.Scheme = "https"
s := baseDOHNameServer(url, "DOHL", clientIP)
tr := &http.Transport{
IdleConnTimeout: 90 * time.Second,
ForceAttemptHTTP2: true,
DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
dest, err := net.ParseDestination(network + ":" + addr)
if err != nil {
return nil, err
}
conn, err := internet.DialSystem(ctx, dest, nil)
if err != nil {
return nil, err
}
return conn, nil
},
}
s.httpClient = &http.Client{
Timeout: time.Second * 180,
Transport: tr,
}
newError("DNS: created Local DOH client for ", url.String()).AtInfo().WriteToLog()
return s
}
func baseDOHNameServer(url *url.URL, prefix string, clientIP net.IP) *DoHNameServer {
s := &DoHNameServer{
ips: make(map[string]record),
clientIP: clientIP,
pub: pubsub.NewService(),
name: prefix + "//" + url.Host,
dohURL: url.String(),
}
s.cleanup = &task.Periodic{
Interval: time.Minute,
Execute: s.Cleanup,
}
return s
}
// Name returns client name
func (s *DoHNameServer) Name() string {
return s.name
}
// Cleanup clears expired items from cache
func (s *DoHNameServer) Cleanup() error {
now := time.Now()
s.Lock()
defer s.Unlock()
if len(s.ips) == 0 {
return newError("nothing to do. stopping...")
}
for domain, record := range s.ips {
if record.A != nil && record.A.Expire.Before(now) {
record.A = nil
}
if record.AAAA != nil && record.AAAA.Expire.Before(now) {
record.AAAA = nil
}
if record.A == nil && record.AAAA == nil {
newError(s.name, " cleanup ", domain).AtDebug().WriteToLog()
delete(s.ips, domain)
} else {
s.ips[domain] = record
}
}
if len(s.ips) == 0 {
s.ips = make(map[string]record)
}
return nil
}
func (s *DoHNameServer) updateIP(req *dnsRequest, ipRec *IPRecord) {
elapsed := time.Since(req.start)
s.Lock()
rec := s.ips[req.domain]
updated := false
switch req.reqType {
case dnsmessage.TypeA:
if isNewer(rec.A, ipRec) {
rec.A = ipRec
updated = true
}
case dnsmessage.TypeAAAA:
addr := make([]net.Address, 0)
for _, ip := range ipRec.IP {
if len(ip.IP()) == net.IPv6len {
addr = append(addr, ip)
}
}
ipRec.IP = addr
if isNewer(rec.AAAA, ipRec) {
rec.AAAA = ipRec
updated = true
}
}
newError(s.name, " got answer: ", req.domain, " ", req.reqType, " -> ", ipRec.IP, " ", elapsed).AtInfo().WriteToLog()
if updated {
s.ips[req.domain] = rec
}
switch req.reqType {
case dnsmessage.TypeA:
s.pub.Publish(req.domain+"4", nil)
case dnsmessage.TypeAAAA:
s.pub.Publish(req.domain+"6", nil)
}
s.Unlock()
common.Must(s.cleanup.Start())
}
func (s *DoHNameServer) newReqID() uint16 {
return uint16(atomic.AddUint32(&s.reqID, 1))
}
func (s *DoHNameServer) sendQuery(ctx context.Context, domain string, option IPOption) {
newError(s.name, " querying: ", domain).AtInfo().WriteToLog(session.ExportIDToError(ctx))
reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(s.clientIP))
var deadline time.Time
if d, ok := ctx.Deadline(); ok {
deadline = d
} else {
deadline = time.Now().Add(time.Second * 5)
}
for _, req := range reqs {
go func(r *dnsRequest) {
// generate new context for each req, using same context
// may cause reqs all aborted if any one encounter an error
dnsCtx := context.Background()
// reserve internal dns server requested Inbound
if inbound := session.InboundFromContext(ctx); inbound != nil {
dnsCtx = session.ContextWithInbound(dnsCtx, inbound)
}
dnsCtx = session.ContextWithContent(dnsCtx, &session.Content{
Protocol: "https",
SkipRoutePick: true,
})
// forced to use mux for DOH
dnsCtx = session.ContextWithMuxPrefered(dnsCtx, true)
var cancel context.CancelFunc
dnsCtx, cancel = context.WithDeadline(dnsCtx, deadline)
defer cancel()
b, err := dns.PackMessage(r.msg)
if err != nil {
newError("failed to pack dns query").Base(err).AtError().WriteToLog()
return
}
resp, err := s.dohHTTPSContext(dnsCtx, b.Bytes())
if err != nil {
newError("failed to retrieve response").Base(err).AtError().WriteToLog()
return
}
rec, err := parseResponse(resp)
if err != nil {
newError("failed to handle DOH response").Base(err).AtError().WriteToLog()
return
}
s.updateIP(r, rec)
}(req)
}
}
func (s *DoHNameServer) dohHTTPSContext(ctx context.Context, b []byte) ([]byte, error) {
body := bytes.NewBuffer(b)
req, err := http.NewRequest("POST", s.dohURL, body)
if err != nil {
return nil, err
}
req.Header.Add("Accept", "application/dns-message")
req.Header.Add("Content-Type", "application/dns-message")
resp, err := s.httpClient.Do(req.WithContext(ctx))
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
io.Copy(ioutil.Discard, resp.Body) // flush resp.Body so that the conn is reusable
return nil, fmt.Errorf("DOH server returned code %d", resp.StatusCode)
}
return ioutil.ReadAll(resp.Body)
}
func (s *DoHNameServer) findIPsForDomain(domain string, option IPOption) ([]net.IP, error) {
s.RLock()
record, found := s.ips[domain]
s.RUnlock()
if !found {
return nil, errRecordNotFound
}
var ips []net.Address
var lastErr error
if option.IPv6Enable && record.AAAA != nil && record.AAAA.RCode == dnsmessage.RCodeSuccess {
aaaa, err := record.AAAA.getIPs()
if err != nil {
lastErr = err
}
ips = append(ips, aaaa...)
}
if option.IPv4Enable && record.A != nil && record.A.RCode == dnsmessage.RCodeSuccess {
a, err := record.A.getIPs()
if err != nil {
lastErr = err
}
ips = append(ips, a...)
}
if len(ips) > 0 {
return toNetIP(ips), nil
}
if lastErr != nil {
return nil, lastErr
}
if (option.IPv4Enable && record.A != nil) || (option.IPv6Enable && record.AAAA != nil) {
return nil, dns_feature.ErrEmptyResponse
}
return nil, errRecordNotFound
}
// QueryIP is called from dns.Server->queryIPTimeout
func (s *DoHNameServer) QueryIP(ctx context.Context, domain string, option IPOption) ([]net.IP, error) {
fqdn := Fqdn(domain)
ips, err := s.findIPsForDomain(fqdn, option)
if err != errRecordNotFound {
newError(s.name, " cache HIT ", domain, " -> ", ips).Base(err).AtDebug().WriteToLog()
return ips, err
}
// ipv4 and ipv6 belong to different subscription groups
var sub4, sub6 *pubsub.Subscriber
if option.IPv4Enable {
sub4 = s.pub.Subscribe(fqdn + "4")
defer sub4.Close()
}
if option.IPv6Enable {
sub6 = s.pub.Subscribe(fqdn + "6")
defer sub6.Close()
}
done := make(chan interface{})
go func() {
if sub4 != nil {
select {
case <-sub4.Wait():
case <-ctx.Done():
}
}
if sub6 != nil {
select {
case <-sub6.Wait():
case <-ctx.Done():
}
}
close(done)
}()
s.sendQuery(ctx, fqdn, option)
for {
ips, err := s.findIPsForDomain(fqdn, option)
if err != errRecordNotFound {
return ips, err
}
select {
case <-ctx.Done():
return nil, ctx.Err()
case <-done:
}
}
}

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

124
app/dns/hosts.go Normal file
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// +build !confonly
package dns
import (
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/strmatcher"
"github.com/xtls/xray-core/v1/features"
)
// StaticHosts represents static domain-ip mapping in DNS server.
type StaticHosts struct {
ips [][]net.Address
matchers *strmatcher.MatcherGroup
}
var typeMap = map[DomainMatchingType]strmatcher.Type{
DomainMatchingType_Full: strmatcher.Full,
DomainMatchingType_Subdomain: strmatcher.Domain,
DomainMatchingType_Keyword: strmatcher.Substr,
DomainMatchingType_Regex: strmatcher.Regex,
}
func toStrMatcher(t DomainMatchingType, domain string) (strmatcher.Matcher, error) {
strMType, f := typeMap[t]
if !f {
return nil, newError("unknown mapping type", t).AtWarning()
}
matcher, err := strMType.New(domain)
if err != nil {
return nil, newError("failed to create str matcher").Base(err)
}
return matcher, nil
}
// NewStaticHosts creates a new StaticHosts instance.
func NewStaticHosts(hosts []*Config_HostMapping, legacy map[string]*net.IPOrDomain) (*StaticHosts, error) {
g := new(strmatcher.MatcherGroup)
sh := &StaticHosts{
ips: make([][]net.Address, len(hosts)+len(legacy)+16),
matchers: g,
}
if legacy != nil {
features.PrintDeprecatedFeatureWarning("simple host mapping")
for domain, ip := range legacy {
matcher, err := strmatcher.Full.New(domain)
common.Must(err)
id := g.Add(matcher)
address := ip.AsAddress()
if address.Family().IsDomain() {
return nil, newError("invalid domain address in static hosts: ", address.Domain()).AtWarning()
}
sh.ips[id] = []net.Address{address}
}
}
for _, mapping := range hosts {
matcher, err := toStrMatcher(mapping.Type, mapping.Domain)
if err != nil {
return nil, newError("failed to create domain matcher").Base(err)
}
id := g.Add(matcher)
ips := make([]net.Address, 0, len(mapping.Ip)+1)
switch {
case len(mapping.Ip) > 0:
for _, ip := range mapping.Ip {
addr := net.IPAddress(ip)
if addr == nil {
return nil, newError("invalid IP address in static hosts: ", ip).AtWarning()
}
ips = append(ips, addr)
}
case len(mapping.ProxiedDomain) > 0:
ips = append(ips, net.DomainAddress(mapping.ProxiedDomain))
default:
return nil, newError("neither IP address nor proxied domain specified for domain: ", mapping.Domain).AtWarning()
}
// Special handling for localhost IPv6. This is a dirty workaround as JSON config supports only single IP mapping.
if len(ips) == 1 && ips[0] == net.LocalHostIP {
ips = append(ips, net.LocalHostIPv6)
}
sh.ips[id] = ips
}
return sh, nil
}
func filterIP(ips []net.Address, option IPOption) []net.Address {
filtered := make([]net.Address, 0, len(ips))
for _, ip := range ips {
if (ip.Family().IsIPv4() && option.IPv4Enable) || (ip.Family().IsIPv6() && option.IPv6Enable) {
filtered = append(filtered, ip)
}
}
if len(filtered) == 0 {
return nil
}
return filtered
}
// LookupIP returns IP address for the given domain, if exists in this StaticHosts.
func (h *StaticHosts) LookupIP(domain string, option IPOption) []net.Address {
indices := h.matchers.Match(domain)
if len(indices) == 0 {
return nil
}
ips := []net.Address{}
for _, id := range indices {
ips = append(ips, h.ips[id]...)
}
if len(ips) == 1 && ips[0].Family().IsDomain() {
return ips
}
return filterIP(ips, option)
}

79
app/dns/hosts_test.go Normal file
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package dns_test
import (
"testing"
"github.com/google/go-cmp/cmp"
. "github.com/xtls/xray-core/v1/app/dns"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/net"
)
func TestStaticHosts(t *testing.T) {
pb := []*Config_HostMapping{
{
Type: DomainMatchingType_Full,
Domain: "example.com",
Ip: [][]byte{
{1, 1, 1, 1},
},
},
{
Type: DomainMatchingType_Subdomain,
Domain: "example.cn",
Ip: [][]byte{
{2, 2, 2, 2},
},
},
{
Type: DomainMatchingType_Subdomain,
Domain: "baidu.com",
Ip: [][]byte{
{127, 0, 0, 1},
},
},
}
hosts, err := NewStaticHosts(pb, nil)
common.Must(err)
{
ips := hosts.LookupIP("example.com", IPOption{
IPv4Enable: true,
IPv6Enable: true,
})
if len(ips) != 1 {
t.Error("expect 1 IP, but got ", len(ips))
}
if diff := cmp.Diff([]byte(ips[0].IP()), []byte{1, 1, 1, 1}); diff != "" {
t.Error(diff)
}
}
{
ips := hosts.LookupIP("www.example.cn", IPOption{
IPv4Enable: true,
IPv6Enable: true,
})
if len(ips) != 1 {
t.Error("expect 1 IP, but got ", len(ips))
}
if diff := cmp.Diff([]byte(ips[0].IP()), []byte{2, 2, 2, 2}); diff != "" {
t.Error(diff)
}
}
{
ips := hosts.LookupIP("baidu.com", IPOption{
IPv4Enable: false,
IPv6Enable: true,
})
if len(ips) != 1 {
t.Error("expect 1 IP, but got ", len(ips))
}
if diff := cmp.Diff([]byte(ips[0].IP()), []byte(net.LocalHostIPv6.IP())); diff != "" {
t.Error(diff)
}
}
}

56
app/dns/nameserver.go Normal file
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// +build !confonly
package dns
import (
"context"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/features/dns/localdns"
)
// IPOption is an object for IP query options.
type IPOption struct {
IPv4Enable bool
IPv6Enable bool
}
// Client is the interface for DNS client.
type Client interface {
// Name of the Client.
Name() string
// QueryIP sends IP queries to its configured server.
QueryIP(ctx context.Context, domain string, option IPOption) ([]net.IP, error)
}
type LocalNameServer struct {
client *localdns.Client
}
func (s *LocalNameServer) QueryIP(ctx context.Context, domain string, option IPOption) ([]net.IP, error) {
if option.IPv4Enable && option.IPv6Enable {
return s.client.LookupIP(domain)
}
if option.IPv4Enable {
return s.client.LookupIPv4(domain)
}
if option.IPv6Enable {
return s.client.LookupIPv6(domain)
}
return nil, newError("neither IPv4 nor IPv6 is enabled")
}
func (s *LocalNameServer) Name() string {
return "localhost"
}
func NewLocalNameServer() *LocalNameServer {
newError("DNS: created localhost client").AtInfo().WriteToLog()
return &LocalNameServer{
client: localdns.New(),
}
}

24
app/dns/nameserver_test.go Normal file
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@ -0,0 +1,24 @@
package dns_test
import (
"context"
"testing"
"time"
. "github.com/xtls/xray-core/v1/app/dns"
"github.com/xtls/xray-core/v1/common"
)
func TestLocalNameServer(t *testing.T) {
s := NewLocalNameServer()
ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
ips, err := s.QueryIP(ctx, "google.com", IPOption{
IPv4Enable: true,
IPv6Enable: true,
})
cancel()
common.Must(err)
if len(ips) == 0 {
t.Error("expect some ips, but got 0")
}
}

449
app/dns/server.go Normal file
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// +build !confonly
package dns
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"context"
"fmt"
"log"
"net/url"
"strings"
"sync"
"time"
"github.com/xtls/xray-core/v1/app/router"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/errors"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/session"
"github.com/xtls/xray-core/v1/common/strmatcher"
"github.com/xtls/xray-core/v1/common/uuid"
core "github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/features"
"github.com/xtls/xray-core/v1/features/dns"
"github.com/xtls/xray-core/v1/features/routing"
)
// Server is a DNS rely server.
type Server struct {
sync.Mutex
hosts *StaticHosts
clientIP net.IP
clients []Client // clientIdx -> Client
ipIndexMap []*MultiGeoIPMatcher // clientIdx -> *MultiGeoIPMatcher
domainRules [][]string // clientIdx -> domainRuleIdx -> DomainRule
domainMatcher strmatcher.IndexMatcher
matcherInfos []DomainMatcherInfo // matcherIdx -> DomainMatcherInfo
tag string
}
// DomainMatcherInfo contains information attached to index returned by Server.domainMatcher
type DomainMatcherInfo struct {
clientIdx uint16
domainRuleIdx uint16
}
// MultiGeoIPMatcher for match
type MultiGeoIPMatcher struct {
matchers []*router.GeoIPMatcher
}
var errExpectedIPNonMatch = errors.New("expectIPs not match")
// Match check ip match
func (c *MultiGeoIPMatcher) Match(ip net.IP) bool {
for _, matcher := range c.matchers {
if matcher.Match(ip) {
return true
}
}
return false
}
// HasMatcher check has matcher
func (c *MultiGeoIPMatcher) HasMatcher() bool {
return len(c.matchers) > 0
}
func generateRandomTag() string {
id := uuid.New()
return "xray.system." + id.String()
}
// New creates a new DNS server with given configuration.
func New(ctx context.Context, config *Config) (*Server, error) {
server := &Server{
clients: make([]Client, 0, len(config.NameServers)+len(config.NameServer)),
tag: config.Tag,
}
if server.tag == "" {
server.tag = generateRandomTag()
}
if len(config.ClientIp) > 0 {
if len(config.ClientIp) != net.IPv4len && len(config.ClientIp) != net.IPv6len {
return nil, newError("unexpected IP length", len(config.ClientIp))
}
server.clientIP = net.IP(config.ClientIp)
}
hosts, err := NewStaticHosts(config.StaticHosts, config.Hosts)
if err != nil {
return nil, newError("failed to create hosts").Base(err)
}
server.hosts = hosts
addNameServer := func(ns *NameServer) int {
endpoint := ns.Address
address := endpoint.Address.AsAddress()
switch {
case address.Family().IsDomain() && address.Domain() == "localhost":
server.clients = append(server.clients, NewLocalNameServer())
// Priotize local domains with specific TLDs or without any dot to local DNS
// References:
// https://www.iana.org/assignments/special-use-domain-names/special-use-domain-names.xhtml
// https://unix.stackexchange.com/questions/92441/whats-the-difference-between-local-home-and-lan
localTLDsAndDotlessDomains := []*NameServer_PriorityDomain{
{Type: DomainMatchingType_Regex, Domain: "^[^.]+$"}, // This will only match domains without any dot
{Type: DomainMatchingType_Subdomain, Domain: "local"},
{Type: DomainMatchingType_Subdomain, Domain: "localdomain"},
{Type: DomainMatchingType_Subdomain, Domain: "localhost"},
{Type: DomainMatchingType_Subdomain, Domain: "lan"},
{Type: DomainMatchingType_Subdomain, Domain: "home.arpa"},
{Type: DomainMatchingType_Subdomain, Domain: "example"},
{Type: DomainMatchingType_Subdomain, Domain: "invalid"},
{Type: DomainMatchingType_Subdomain, Domain: "test"},
}
ns.PrioritizedDomain = append(ns.PrioritizedDomain, localTLDsAndDotlessDomains...)
case address.Family().IsDomain() && strings.HasPrefix(address.Domain(), "https+local://"):
// URI schemed string treated as domain
// DOH Local mode
u, err := url.Parse(address.Domain())
if err != nil {
log.Fatalln(newError("DNS config error").Base(err))
}
server.clients = append(server.clients, NewDoHLocalNameServer(u, server.clientIP))
case address.Family().IsDomain() && strings.HasPrefix(address.Domain(), "https://"):
// DOH Remote mode
u, err := url.Parse(address.Domain())
if err != nil {
log.Fatalln(newError("DNS config error").Base(err))
}
idx := len(server.clients)
server.clients = append(server.clients, nil)
// need the core dispatcher, register DOHClient at callback
common.Must(core.RequireFeatures(ctx, func(d routing.Dispatcher) {
c, err := NewDoHNameServer(u, d, server.clientIP)
if err != nil {
log.Fatalln(newError("DNS config error").Base(err))
}
server.clients[idx] = c
}))
default:
// UDP classic DNS mode
dest := endpoint.AsDestination()
if dest.Network == net.Network_Unknown {
dest.Network = net.Network_UDP
}
if dest.Network == net.Network_UDP {
idx := len(server.clients)
server.clients = append(server.clients, nil)
common.Must(core.RequireFeatures(ctx, func(d routing.Dispatcher) {
server.clients[idx] = NewClassicNameServer(dest, d, server.clientIP)
}))
}
}
server.ipIndexMap = append(server.ipIndexMap, nil)
return len(server.clients) - 1
}
if len(config.NameServers) > 0 {
features.PrintDeprecatedFeatureWarning("simple DNS server")
for _, destPB := range config.NameServers {
addNameServer(&NameServer{Address: destPB})
}
}
if len(config.NameServer) > 0 {
clientIndices := []int{}
domainRuleCount := 0
for _, ns := range config.NameServer {
idx := addNameServer(ns)
clientIndices = append(clientIndices, idx)
domainRuleCount += len(ns.PrioritizedDomain)
}
domainRules := make([][]string, len(server.clients))
domainMatcher := &strmatcher.MatcherGroup{}
matcherInfos := make([]DomainMatcherInfo, domainRuleCount+1) // matcher index starts from 1
var geoIPMatcherContainer router.GeoIPMatcherContainer
for nidx, ns := range config.NameServer {
idx := clientIndices[nidx]
// Establish domain rule matcher
rules := []string{}
ruleCurr := 0
ruleIter := 0
for _, domain := range ns.PrioritizedDomain {
matcher, err := toStrMatcher(domain.Type, domain.Domain)
if err != nil {
return nil, newError("failed to create prioritized domain").Base(err).AtWarning()
}
midx := domainMatcher.Add(matcher)
if midx >= uint32(len(matcherInfos)) { // This rarely happens according to current matcher's implementation
newError("expanding domain matcher info array to size ", midx, " when adding ", matcher).AtDebug().WriteToLog()
matcherInfos = append(matcherInfos, make([]DomainMatcherInfo, midx-uint32(len(matcherInfos))+1)...)
}
info := &matcherInfos[midx]
info.clientIdx = uint16(idx)
if ruleCurr < len(ns.OriginalRules) {
info.domainRuleIdx = uint16(ruleCurr)
rule := ns.OriginalRules[ruleCurr]
if ruleCurr >= len(rules) {
rules = append(rules, rule.Rule)
}
ruleIter++
if ruleIter >= int(rule.Size) {
ruleIter = 0
ruleCurr++
}
} else { // No original rule, generate one according to current domain matcher (majorly for compatibility with tests)
info.domainRuleIdx = uint16(len(rules))
rules = append(rules, matcher.String())
}
}
domainRules[idx] = rules
// only add to ipIndexMap if GeoIP is configured
if len(ns.Geoip) > 0 {
var matchers []*router.GeoIPMatcher
for _, geoip := range ns.Geoip {
matcher, err := geoIPMatcherContainer.Add(geoip)
if err != nil {
return nil, newError("failed to create ip matcher").Base(err).AtWarning()
}
matchers = append(matchers, matcher)
}
matcher := &MultiGeoIPMatcher{matchers: matchers}
server.ipIndexMap[idx] = matcher
}
}
server.domainRules = domainRules
server.domainMatcher = domainMatcher
server.matcherInfos = matcherInfos
}
if len(server.clients) == 0 {
server.clients = append(server.clients, NewLocalNameServer())
server.ipIndexMap = append(server.ipIndexMap, nil)
}
return server, nil
}
// Type implements common.HasType.
func (*Server) Type() interface{} {
return dns.ClientType()
}
// Start implements common.Runnable.
func (s *Server) Start() error {
return nil
}
// Close implements common.Closable.
func (s *Server) Close() error {
return nil
}
func (s *Server) IsOwnLink(ctx context.Context) bool {
inbound := session.InboundFromContext(ctx)
return inbound != nil && inbound.Tag == s.tag
}
// Match check dns ip match geoip
func (s *Server) Match(idx int, client Client, domain string, ips []net.IP) ([]net.IP, error) {
var matcher *MultiGeoIPMatcher
if idx < len(s.ipIndexMap) {
matcher = s.ipIndexMap[idx]
}
if matcher == nil {
return ips, nil
}
if !matcher.HasMatcher() {
newError("domain ", domain, " server has no valid matcher: ", client.Name(), " idx:", idx).AtDebug().WriteToLog()
return ips, nil
}
newIps := []net.IP{}
for _, ip := range ips {
if matcher.Match(ip) {
newIps = append(newIps, ip)
}
}
if len(newIps) == 0 {
return nil, errExpectedIPNonMatch
}
newError("domain ", domain, " expectIPs ", newIps, " matched at server ", client.Name(), " idx:", idx).AtDebug().WriteToLog()
return newIps, nil
}
func (s *Server) queryIPTimeout(idx int, client Client, domain string, option IPOption) ([]net.IP, error) {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*4)
if len(s.tag) > 0 {
ctx = session.ContextWithInbound(ctx, &session.Inbound{
Tag: s.tag,
})
}
ips, err := client.QueryIP(ctx, domain, option)
cancel()
if err != nil {
return ips, err
}
ips, err = s.Match(idx, client, domain, ips)
return ips, err
}
// LookupIP implements dns.Client.
func (s *Server) LookupIP(domain string) ([]net.IP, error) {
return s.lookupIPInternal(domain, IPOption{
IPv4Enable: true,
IPv6Enable: true,
})
}
// LookupIPv4 implements dns.IPv4Lookup.
func (s *Server) LookupIPv4(domain string) ([]net.IP, error) {
return s.lookupIPInternal(domain, IPOption{
IPv4Enable: true,
IPv6Enable: false,
})
}
// LookupIPv6 implements dns.IPv6Lookup.
func (s *Server) LookupIPv6(domain string) ([]net.IP, error) {
return s.lookupIPInternal(domain, IPOption{
IPv4Enable: false,
IPv6Enable: true,
})
}
func (s *Server) lookupStatic(domain string, option IPOption, depth int32) []net.Address {
ips := s.hosts.LookupIP(domain, option)
if ips == nil {
return nil
}
if ips[0].Family().IsDomain() && depth < 5 {
if newIPs := s.lookupStatic(ips[0].Domain(), option, depth+1); newIPs != nil {
return newIPs
}
}
return ips
}
func toNetIP(ips []net.Address) []net.IP {
if len(ips) == 0 {
return nil
}
netips := make([]net.IP, 0, len(ips))
for _, ip := range ips {
netips = append(netips, ip.IP())
}
return netips
}
func (s *Server) lookupIPInternal(domain string, option IPOption) ([]net.IP, error) {
if domain == "" {
return nil, newError("empty domain name")
}
// normalize the FQDN form query
if domain[len(domain)-1] == '.' {
domain = domain[:len(domain)-1]
}
ips := s.lookupStatic(domain, option, 0)
if ips != nil && ips[0].Family().IsIP() {
newError("returning ", len(ips), " IPs for domain ", domain).WriteToLog()
return toNetIP(ips), nil
}
if ips != nil && ips[0].Family().IsDomain() {
newdomain := ips[0].Domain()
newError("domain replaced: ", domain, " -> ", newdomain).WriteToLog()
domain = newdomain
}
var lastErr error
var matchedClient Client
if s.domainMatcher != nil {
indices := s.domainMatcher.Match(domain)
domainRules := []string{}
matchingDNS := []string{}
for _, idx := range indices {
info := s.matcherInfos[idx]
rule := s.domainRules[info.clientIdx][info.domainRuleIdx]
domainRules = append(domainRules, fmt.Sprintf("%s(DNS idx:%d)", rule, info.clientIdx))
matchingDNS = append(matchingDNS, s.clients[info.clientIdx].Name())
}
if len(domainRules) > 0 {
newError("domain ", domain, " matches following rules: ", domainRules).AtDebug().WriteToLog()
}
if len(matchingDNS) > 0 {
newError("domain ", domain, " uses following DNS first: ", matchingDNS).AtDebug().WriteToLog()
}
for _, idx := range indices {
clientIdx := int(s.matcherInfos[idx].clientIdx)
matchedClient = s.clients[clientIdx]
ips, err := s.queryIPTimeout(clientIdx, matchedClient, domain, option)
if len(ips) > 0 {
return ips, nil
}
if err == dns.ErrEmptyResponse {
return nil, err
}
if err != nil {
newError("failed to lookup ip for domain ", domain, " at server ", matchedClient.Name()).Base(err).WriteToLog()
lastErr = err
}
}
}
for idx, client := range s.clients {
if client == matchedClient {
newError("domain ", domain, " at server ", client.Name(), " idx:", idx, " already lookup failed, just ignore").AtDebug().WriteToLog()
continue
}
ips, err := s.queryIPTimeout(idx, client, domain, option)
if len(ips) > 0 {
return ips, nil
}
if err != nil {
newError("failed to lookup ip for domain ", domain, " at server ", client.Name()).Base(err).WriteToLog()
lastErr = err
}
if err != context.Canceled && err != context.DeadlineExceeded && err != errExpectedIPNonMatch {
return nil, err
}
}
return nil, newError("returning nil for domain ", domain).Base(lastErr)
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return New(ctx, config.(*Config))
}))
}

972
app/dns/server_test.go Normal file
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@ -0,0 +1,972 @@
package dns_test
import (
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/miekg/dns"
"github.com/xtls/xray-core/v1/app/dispatcher"
. "github.com/xtls/xray-core/v1/app/dns"
"github.com/xtls/xray-core/v1/app/policy"
"github.com/xtls/xray-core/v1/app/proxyman"
_ "github.com/xtls/xray-core/v1/app/proxyman/outbound"
"github.com/xtls/xray-core/v1/app/router"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/serial"
"github.com/xtls/xray-core/v1/core"
feature_dns "github.com/xtls/xray-core/v1/features/dns"
"github.com/xtls/xray-core/v1/proxy/freedom"
"github.com/xtls/xray-core/v1/testing/servers/udp"
)
type staticHandler struct {
}
func (*staticHandler) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
ans := new(dns.Msg)
ans.Id = r.Id
var clientIP net.IP
opt := r.IsEdns0()
if opt != nil {
for _, o := range opt.Option {
if o.Option() == dns.EDNS0SUBNET {
subnet := o.(*dns.EDNS0_SUBNET)
clientIP = subnet.Address
}
}
}
for _, q := range r.Question {
switch {
case q.Name == "google.com." && q.Qtype == dns.TypeA:
if clientIP == nil {
rr, _ := dns.NewRR("google.com. IN A 8.8.8.8")
ans.Answer = append(ans.Answer, rr)
} else {
rr, _ := dns.NewRR("google.com. IN A 8.8.4.4")
ans.Answer = append(ans.Answer, rr)
}
case q.Name == "api.google.com." && q.Qtype == dns.TypeA:
rr, _ := dns.NewRR("api.google.com. IN A 8.8.7.7")
ans.Answer = append(ans.Answer, rr)
case q.Name == "v2.api.google.com." && q.Qtype == dns.TypeA:
rr, _ := dns.NewRR("v2.api.google.com. IN A 8.8.7.8")
ans.Answer = append(ans.Answer, rr)
case q.Name == "facebook.com." && q.Qtype == dns.TypeA:
rr, _ := dns.NewRR("facebook.com. IN A 9.9.9.9")
ans.Answer = append(ans.Answer, rr)
case q.Name == "ipv6.google.com." && q.Qtype == dns.TypeA:
rr, err := dns.NewRR("ipv6.google.com. IN A 8.8.8.7")
common.Must(err)
ans.Answer = append(ans.Answer, rr)
case q.Name == "ipv6.google.com." && q.Qtype == dns.TypeAAAA:
rr, err := dns.NewRR("ipv6.google.com. IN AAAA 2001:4860:4860::8888")
common.Must(err)
ans.Answer = append(ans.Answer, rr)
case q.Name == "notexist.google.com." && q.Qtype == dns.TypeAAAA:
ans.MsgHdr.Rcode = dns.RcodeNameError
case q.Name == "hostname." && q.Qtype == dns.TypeA:
rr, _ := dns.NewRR("hostname. IN A 127.0.0.1")
ans.Answer = append(ans.Answer, rr)
case q.Name == "hostname.local." && q.Qtype == dns.TypeA:
rr, _ := dns.NewRR("hostname.local. IN A 127.0.0.1")
ans.Answer = append(ans.Answer, rr)
case q.Name == "hostname.localdomain." && q.Qtype == dns.TypeA:
rr, _ := dns.NewRR("hostname.localdomain. IN A 127.0.0.1")
ans.Answer = append(ans.Answer, rr)
case q.Name == "localhost." && q.Qtype == dns.TypeA:
rr, _ := dns.NewRR("localhost. IN A 127.0.0.2")
ans.Answer = append(ans.Answer, rr)
case q.Name == "localhost-a." && q.Qtype == dns.TypeA:
rr, _ := dns.NewRR("localhost-a. IN A 127.0.0.3")
ans.Answer = append(ans.Answer, rr)
case q.Name == "localhost-b." && q.Qtype == dns.TypeA:
rr, _ := dns.NewRR("localhost-b. IN A 127.0.0.4")
ans.Answer = append(ans.Answer, rr)
case q.Name == "Mijia\\ Cloud." && q.Qtype == dns.TypeA:
rr, _ := dns.NewRR("Mijia\\ Cloud. IN A 127.0.0.1")
ans.Answer = append(ans.Answer, rr)
}
}
w.WriteMsg(ans)
}
func TestUDPServerSubnet(t *testing.T) {
port := udp.PickPort()
dnsServer := dns.Server{
Addr: "127.0.0.1:" + port.String(),
Net: "udp",
Handler: &staticHandler{},
UDPSize: 1200,
}
go dnsServer.ListenAndServe()
time.Sleep(time.Second)
config := &core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&Config{
NameServers: []*net.Endpoint{
{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: uint32(port),
},
},
ClientIp: []byte{7, 8, 9, 10},
}),
serial.ToTypedMessage(&dispatcher.Config{}),
serial.ToTypedMessage(&proxyman.OutboundConfig{}),
serial.ToTypedMessage(&policy.Config{}),
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
},
},
}
v, err := core.New(config)
common.Must(err)
client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
ips, err := client.LookupIP("google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{8, 8, 4, 4}}); r != "" {
t.Fatal(r)
}
}
func TestUDPServer(t *testing.T) {
port := udp.PickPort()
dnsServer := dns.Server{
Addr: "127.0.0.1:" + port.String(),
Net: "udp",
Handler: &staticHandler{},
UDPSize: 1200,
}
go dnsServer.ListenAndServe()
time.Sleep(time.Second)
config := &core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&Config{
NameServers: []*net.Endpoint{
{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: uint32(port),
},
},
}),
serial.ToTypedMessage(&dispatcher.Config{}),
serial.ToTypedMessage(&proxyman.OutboundConfig{}),
serial.ToTypedMessage(&policy.Config{}),
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
},
},
}
v, err := core.New(config)
common.Must(err)
client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
{
ips, err := client.LookupIP("google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{8, 8, 8, 8}}); r != "" {
t.Fatal(r)
}
}
{
ips, err := client.LookupIP("facebook.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{9, 9, 9, 9}}); r != "" {
t.Fatal(r)
}
}
{
_, err := client.LookupIP("notexist.google.com")
if err == nil {
t.Fatal("nil error")
}
if r := feature_dns.RCodeFromError(err); r != uint16(dns.RcodeNameError) {
t.Fatal("expected NameError, but got ", r)
}
}
{
clientv6 := client.(feature_dns.IPv6Lookup)
ips, err := clientv6.LookupIPv6("ipv4only.google.com")
if err != feature_dns.ErrEmptyResponse {
t.Fatal("error: ", err)
}
if len(ips) != 0 {
t.Fatal("ips: ", ips)
}
}
dnsServer.Shutdown()
{
ips, err := client.LookupIP("google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{8, 8, 8, 8}}); r != "" {
t.Fatal(r)
}
}
}
func TestPrioritizedDomain(t *testing.T) {
port := udp.PickPort()
dnsServer := dns.Server{
Addr: "127.0.0.1:" + port.String(),
Net: "udp",
Handler: &staticHandler{},
UDPSize: 1200,
}
go dnsServer.ListenAndServe()
time.Sleep(time.Second)
config := &core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&Config{
NameServers: []*net.Endpoint{
{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: 9999, /* unreachable */
},
},
NameServer: []*NameServer{
{
Address: &net.Endpoint{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: uint32(port),
},
PrioritizedDomain: []*NameServer_PriorityDomain{
{
Type: DomainMatchingType_Full,
Domain: "google.com",
},
},
},
},
}),
serial.ToTypedMessage(&dispatcher.Config{}),
serial.ToTypedMessage(&proxyman.OutboundConfig{}),
serial.ToTypedMessage(&policy.Config{}),
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
},
},
}
v, err := core.New(config)
common.Must(err)
client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
startTime := time.Now()
{
ips, err := client.LookupIP("google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{8, 8, 8, 8}}); r != "" {
t.Fatal(r)
}
}
endTime := time.Now()
if startTime.After(endTime.Add(time.Second * 2)) {
t.Error("DNS query doesn't finish in 2 seconds.")
}
}
func TestUDPServerIPv6(t *testing.T) {
port := udp.PickPort()
dnsServer := dns.Server{
Addr: "127.0.0.1:" + port.String(),
Net: "udp",
Handler: &staticHandler{},
UDPSize: 1200,
}
go dnsServer.ListenAndServe()
time.Sleep(time.Second)
config := &core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&Config{
NameServers: []*net.Endpoint{
{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: uint32(port),
},
},
}),
serial.ToTypedMessage(&dispatcher.Config{}),
serial.ToTypedMessage(&proxyman.OutboundConfig{}),
serial.ToTypedMessage(&policy.Config{}),
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
},
},
}
v, err := core.New(config)
common.Must(err)
client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
client6 := client.(feature_dns.IPv6Lookup)
{
ips, err := client6.LookupIPv6("ipv6.google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{32, 1, 72, 96, 72, 96, 0, 0, 0, 0, 0, 0, 0, 0, 136, 136}}); r != "" {
t.Fatal(r)
}
}
}
func TestStaticHostDomain(t *testing.T) {
port := udp.PickPort()
dnsServer := dns.Server{
Addr: "127.0.0.1:" + port.String(),
Net: "udp",
Handler: &staticHandler{},
UDPSize: 1200,
}
go dnsServer.ListenAndServe()
time.Sleep(time.Second)
config := &core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&Config{
NameServers: []*net.Endpoint{
{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: uint32(port),
},
},
StaticHosts: []*Config_HostMapping{
{
Type: DomainMatchingType_Full,
Domain: "example.com",
ProxiedDomain: "google.com",
},
},
}),
serial.ToTypedMessage(&dispatcher.Config{}),
serial.ToTypedMessage(&proxyman.OutboundConfig{}),
serial.ToTypedMessage(&policy.Config{}),
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
},
},
}
v, err := core.New(config)
common.Must(err)
client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
{
ips, err := client.LookupIP("example.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{8, 8, 8, 8}}); r != "" {
t.Fatal(r)
}
}
dnsServer.Shutdown()
}
func TestIPMatch(t *testing.T) {
port := udp.PickPort()
dnsServer := dns.Server{
Addr: "127.0.0.1:" + port.String(),
Net: "udp",
Handler: &staticHandler{},
UDPSize: 1200,
}
go dnsServer.ListenAndServe()
time.Sleep(time.Second)
config := &core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&Config{
NameServer: []*NameServer{
// private dns, not match
{
Address: &net.Endpoint{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: uint32(port),
},
Geoip: []*router.GeoIP{
{
CountryCode: "local",
Cidr: []*router.CIDR{
{
// inner ip, will not match
Ip: []byte{192, 168, 11, 1},
Prefix: 32,
},
},
},
},
},
// second dns, match ip
{
Address: &net.Endpoint{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: uint32(port),
},
Geoip: []*router.GeoIP{
{
CountryCode: "test",
Cidr: []*router.CIDR{
{
Ip: []byte{8, 8, 8, 8},
Prefix: 32,
},
},
},
{
CountryCode: "test",
Cidr: []*router.CIDR{
{
Ip: []byte{8, 8, 8, 4},
Prefix: 32,
},
},
},
},
},
},
}),
serial.ToTypedMessage(&dispatcher.Config{}),
serial.ToTypedMessage(&proxyman.OutboundConfig{}),
serial.ToTypedMessage(&policy.Config{}),
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
},
},
}
v, err := core.New(config)
common.Must(err)
client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
startTime := time.Now()
{
ips, err := client.LookupIP("google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{8, 8, 8, 8}}); r != "" {
t.Fatal(r)
}
}
endTime := time.Now()
if startTime.After(endTime.Add(time.Second * 2)) {
t.Error("DNS query doesn't finish in 2 seconds.")
}
}
func TestLocalDomain(t *testing.T) {
port := udp.PickPort()
dnsServer := dns.Server{
Addr: "127.0.0.1:" + port.String(),
Net: "udp",
Handler: &staticHandler{},
UDPSize: 1200,
}
go dnsServer.ListenAndServe()
time.Sleep(time.Second)
config := &core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&Config{
NameServers: []*net.Endpoint{
{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: 9999, /* unreachable */
},
},
NameServer: []*NameServer{
{
Address: &net.Endpoint{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: uint32(port),
},
PrioritizedDomain: []*NameServer_PriorityDomain{
// Equivalent of dotless:localhost
{Type: DomainMatchingType_Regex, Domain: "^[^.]*localhost[^.]*$"},
},
Geoip: []*router.GeoIP{
{ // Will match localhost, localhost-a and localhost-b,
CountryCode: "local",
Cidr: []*router.CIDR{
{Ip: []byte{127, 0, 0, 2}, Prefix: 32},
{Ip: []byte{127, 0, 0, 3}, Prefix: 32},
{Ip: []byte{127, 0, 0, 4}, Prefix: 32},
},
},
},
},
{
Address: &net.Endpoint{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: uint32(port),
},
PrioritizedDomain: []*NameServer_PriorityDomain{
// Equivalent of dotless: and domain:local
{Type: DomainMatchingType_Regex, Domain: "^[^.]*$"},
{Type: DomainMatchingType_Subdomain, Domain: "local"},
{Type: DomainMatchingType_Subdomain, Domain: "localdomain"},
},
},
},
StaticHosts: []*Config_HostMapping{
{
Type: DomainMatchingType_Full,
Domain: "hostnamestatic",
Ip: [][]byte{{127, 0, 0, 53}},
},
{
Type: DomainMatchingType_Full,
Domain: "hostnamealias",
ProxiedDomain: "hostname.localdomain",
},
},
}),
serial.ToTypedMessage(&dispatcher.Config{}),
serial.ToTypedMessage(&proxyman.OutboundConfig{}),
serial.ToTypedMessage(&policy.Config{}),
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
},
},
}
v, err := core.New(config)
common.Must(err)
client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
startTime := time.Now()
{ // Will match dotless:
ips, err := client.LookupIP("hostname")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{127, 0, 0, 1}}); r != "" {
t.Fatal(r)
}
}
{ // Will match domain:local
ips, err := client.LookupIP("hostname.local")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{127, 0, 0, 1}}); r != "" {
t.Fatal(r)
}
}
{ // Will match static ip
ips, err := client.LookupIP("hostnamestatic")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{127, 0, 0, 53}}); r != "" {
t.Fatal(r)
}
}
{ // Will match domain replacing
ips, err := client.LookupIP("hostnamealias")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{127, 0, 0, 1}}); r != "" {
t.Fatal(r)
}
}
{ // Will match dotless:localhost, but not expectIPs: 127.0.0.2, 127.0.0.3, then matches at dotless:
ips, err := client.LookupIP("localhost")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{127, 0, 0, 2}}); r != "" {
t.Fatal(r)
}
}
{ // Will match dotless:localhost, and expectIPs: 127.0.0.2, 127.0.0.3
ips, err := client.LookupIP("localhost-a")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{127, 0, 0, 3}}); r != "" {
t.Fatal(r)
}
}
{ // Will match dotless:localhost, and expectIPs: 127.0.0.2, 127.0.0.3
ips, err := client.LookupIP("localhost-b")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{127, 0, 0, 4}}); r != "" {
t.Fatal(r)
}
}
{ // Will match dotless:
ips, err := client.LookupIP("Mijia Cloud")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{127, 0, 0, 1}}); r != "" {
t.Fatal(r)
}
}
endTime := time.Now()
if startTime.After(endTime.Add(time.Second * 2)) {
t.Error("DNS query doesn't finish in 2 seconds.")
}
}
func TestMultiMatchPrioritizedDomain(t *testing.T) {
port := udp.PickPort()
dnsServer := dns.Server{
Addr: "127.0.0.1:" + port.String(),
Net: "udp",
Handler: &staticHandler{},
UDPSize: 1200,
}
go dnsServer.ListenAndServe()
time.Sleep(time.Second)
config := &core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&Config{
NameServers: []*net.Endpoint{
{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: 9999, /* unreachable */
},
},
NameServer: []*NameServer{
{
Address: &net.Endpoint{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: uint32(port),
},
PrioritizedDomain: []*NameServer_PriorityDomain{
{
Type: DomainMatchingType_Subdomain,
Domain: "google.com",
},
},
Geoip: []*router.GeoIP{
{ // Will only match 8.8.8.8 and 8.8.4.4
Cidr: []*router.CIDR{
{Ip: []byte{8, 8, 8, 8}, Prefix: 32},
{Ip: []byte{8, 8, 4, 4}, Prefix: 32},
},
},
},
},
{
Address: &net.Endpoint{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: uint32(port),
},
PrioritizedDomain: []*NameServer_PriorityDomain{
{
Type: DomainMatchingType_Subdomain,
Domain: "google.com",
},
},
Geoip: []*router.GeoIP{
{ // Will match 8.8.8.8 and 8.8.8.7, etc
Cidr: []*router.CIDR{
{Ip: []byte{8, 8, 8, 7}, Prefix: 24},
},
},
},
},
{
Address: &net.Endpoint{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: uint32(port),
},
PrioritizedDomain: []*NameServer_PriorityDomain{
{
Type: DomainMatchingType_Subdomain,
Domain: "api.google.com",
},
},
Geoip: []*router.GeoIP{
{ // Will only match 8.8.7.7 (api.google.com)
Cidr: []*router.CIDR{
{Ip: []byte{8, 8, 7, 7}, Prefix: 32},
},
},
},
},
{
Address: &net.Endpoint{
Network: net.Network_UDP,
Address: &net.IPOrDomain{
Address: &net.IPOrDomain_Ip{
Ip: []byte{127, 0, 0, 1},
},
},
Port: uint32(port),
},
PrioritizedDomain: []*NameServer_PriorityDomain{
{
Type: DomainMatchingType_Full,
Domain: "v2.api.google.com",
},
},
Geoip: []*router.GeoIP{
{ // Will only match 8.8.7.8 (v2.api.google.com)
Cidr: []*router.CIDR{
{Ip: []byte{8, 8, 7, 8}, Prefix: 32},
},
},
},
},
},
}),
serial.ToTypedMessage(&dispatcher.Config{}),
serial.ToTypedMessage(&proxyman.OutboundConfig{}),
serial.ToTypedMessage(&policy.Config{}),
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
},
},
}
v, err := core.New(config)
common.Must(err)
client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
startTime := time.Now()
{ // Will match server 1,2 and server 1 returns expected ip
ips, err := client.LookupIP("google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{8, 8, 8, 8}}); r != "" {
t.Fatal(r)
}
}
{ // Will match server 1,2 and server 1 returns unexpected ip, then server 2 returns expected one
clientv4 := client.(feature_dns.IPv4Lookup)
ips, err := clientv4.LookupIPv4("ipv6.google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{8, 8, 8, 7}}); r != "" {
t.Fatal(r)
}
}
{ // Will match server 3,1,2 and server 3 returns expected one
ips, err := client.LookupIP("api.google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{8, 8, 7, 7}}); r != "" {
t.Fatal(r)
}
}
{ // Will match server 4,3,1,2 and server 4 returns expected one
ips, err := client.LookupIP("v2.api.google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
if r := cmp.Diff(ips, []net.IP{{8, 8, 7, 8}}); r != "" {
t.Fatal(r)
}
}
endTime := time.Now()
if startTime.After(endTime.Add(time.Second * 2)) {
t.Error("DNS query doesn't finish in 2 seconds.")
}
}

289
app/dns/udpns.go Normal file
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// +build !confonly
package dns
import (
"context"
"strings"
"sync"
"sync/atomic"
"time"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/protocol/dns"
udp_proto "github.com/xtls/xray-core/v1/common/protocol/udp"
"github.com/xtls/xray-core/v1/common/session"
"github.com/xtls/xray-core/v1/common/signal/pubsub"
"github.com/xtls/xray-core/v1/common/task"
dns_feature "github.com/xtls/xray-core/v1/features/dns"
"github.com/xtls/xray-core/v1/features/routing"
"github.com/xtls/xray-core/v1/transport/internet/udp"
"golang.org/x/net/dns/dnsmessage"
)
type ClassicNameServer struct {
sync.RWMutex
name string
address net.Destination
ips map[string]record
requests map[uint16]dnsRequest
pub *pubsub.Service
udpServer *udp.Dispatcher
cleanup *task.Periodic
reqID uint32
clientIP net.IP
}
func NewClassicNameServer(address net.Destination, dispatcher routing.Dispatcher, clientIP net.IP) *ClassicNameServer {
// default to 53 if unspecific
if address.Port == 0 {
address.Port = net.Port(53)
}
s := &ClassicNameServer{
address: address,
ips: make(map[string]record),
requests: make(map[uint16]dnsRequest),
clientIP: clientIP,
pub: pubsub.NewService(),
name: strings.ToUpper(address.String()),
}
s.cleanup = &task.Periodic{
Interval: time.Minute,
Execute: s.Cleanup,
}
s.udpServer = udp.NewDispatcher(dispatcher, s.HandleResponse)
newError("DNS: created udp client inited for ", address.NetAddr()).AtInfo().WriteToLog()
return s
}
func (s *ClassicNameServer) Name() string {
return s.name
}
func (s *ClassicNameServer) Cleanup() error {
now := time.Now()
s.Lock()
defer s.Unlock()
if len(s.ips) == 0 && len(s.requests) == 0 {
return newError(s.name, " nothing to do. stopping...")
}
for domain, record := range s.ips {
if record.A != nil && record.A.Expire.Before(now) {
record.A = nil
}
if record.AAAA != nil && record.AAAA.Expire.Before(now) {
record.AAAA = nil
}
if record.A == nil && record.AAAA == nil {
delete(s.ips, domain)
} else {
s.ips[domain] = record
}
}
if len(s.ips) == 0 {
s.ips = make(map[string]record)
}
for id, req := range s.requests {
if req.expire.Before(now) {
delete(s.requests, id)
}
}
if len(s.requests) == 0 {
s.requests = make(map[uint16]dnsRequest)
}
return nil
}
func (s *ClassicNameServer) HandleResponse(ctx context.Context, packet *udp_proto.Packet) {
ipRec, err := parseResponse(packet.Payload.Bytes())
if err != nil {
newError(s.name, " fail to parse responded DNS udp").AtError().WriteToLog()
return
}
s.Lock()
id := ipRec.ReqID
req, ok := s.requests[id]
if ok {
// remove the pending request
delete(s.requests, id)
}
s.Unlock()
if !ok {
newError(s.name, " cannot find the pending request").AtError().WriteToLog()
return
}
var rec record
switch req.reqType {
case dnsmessage.TypeA:
rec.A = ipRec
case dnsmessage.TypeAAAA:
rec.AAAA = ipRec
}
elapsed := time.Since(req.start)
newError(s.name, " got answer: ", req.domain, " ", req.reqType, " -> ", ipRec.IP, " ", elapsed).AtInfo().WriteToLog()
if len(req.domain) > 0 && (rec.A != nil || rec.AAAA != nil) {
s.updateIP(req.domain, rec)
}
}
func (s *ClassicNameServer) updateIP(domain string, newRec record) {
s.Lock()
newError(s.name, " updating IP records for domain:", domain).AtDebug().WriteToLog()
rec := s.ips[domain]
updated := false
if isNewer(rec.A, newRec.A) {
rec.A = newRec.A
updated = true
}
if isNewer(rec.AAAA, newRec.AAAA) {
rec.AAAA = newRec.AAAA
updated = true
}
if updated {
s.ips[domain] = rec
}
if newRec.A != nil {
s.pub.Publish(domain+"4", nil)
}
if newRec.AAAA != nil {
s.pub.Publish(domain+"6", nil)
}
s.Unlock()
common.Must(s.cleanup.Start())
}
func (s *ClassicNameServer) newReqID() uint16 {
return uint16(atomic.AddUint32(&s.reqID, 1))
}
func (s *ClassicNameServer) addPendingRequest(req *dnsRequest) {
s.Lock()
defer s.Unlock()
id := req.msg.ID
req.expire = time.Now().Add(time.Second * 8)
s.requests[id] = *req
}
func (s *ClassicNameServer) sendQuery(ctx context.Context, domain string, option IPOption) {
newError(s.name, " querying DNS for: ", domain).AtDebug().WriteToLog(session.ExportIDToError(ctx))
reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(s.clientIP))
for _, req := range reqs {
s.addPendingRequest(req)
b, _ := dns.PackMessage(req.msg)
udpCtx := context.Background()
if inbound := session.InboundFromContext(ctx); inbound != nil {
udpCtx = session.ContextWithInbound(udpCtx, inbound)
}
udpCtx = session.ContextWithContent(udpCtx, &session.Content{
Protocol: "dns",
})
s.udpServer.Dispatch(udpCtx, s.address, b)
}
}
func (s *ClassicNameServer) findIPsForDomain(domain string, option IPOption) ([]net.IP, error) {
s.RLock()
record, found := s.ips[domain]
s.RUnlock()
if !found {
return nil, errRecordNotFound
}
var ips []net.Address
var lastErr error
if option.IPv4Enable {
a, err := record.A.getIPs()
if err != nil {
lastErr = err
}
ips = append(ips, a...)
}
if option.IPv6Enable {
aaaa, err := record.AAAA.getIPs()
if err != nil {
lastErr = err
}
ips = append(ips, aaaa...)
}
if len(ips) > 0 {
return toNetIP(ips), nil
}
if lastErr != nil {
return nil, lastErr
}
return nil, dns_feature.ErrEmptyResponse
}
func (s *ClassicNameServer) QueryIP(ctx context.Context, domain string, option IPOption) ([]net.IP, error) {
fqdn := Fqdn(domain)
ips, err := s.findIPsForDomain(fqdn, option)
if err != errRecordNotFound {
newError(s.name, " cache HIT ", domain, " -> ", ips).Base(err).AtDebug().WriteToLog()
return ips, err
}
// ipv4 and ipv6 belong to different subscription groups
var sub4, sub6 *pubsub.Subscriber
if option.IPv4Enable {
sub4 = s.pub.Subscribe(fqdn + "4")
defer sub4.Close()
}
if option.IPv6Enable {
sub6 = s.pub.Subscribe(fqdn + "6")
defer sub6.Close()
}
done := make(chan interface{})
go func() {
if sub4 != nil {
select {
case <-sub4.Wait():
case <-ctx.Done():
}
}
if sub6 != nil {
select {
case <-sub6.Wait():
case <-ctx.Done():
}
}
close(done)
}()
s.sendQuery(ctx, fqdn, option)
for {
ips, err := s.findIPsForDomain(fqdn, option)
if err != errRecordNotFound {
return ips, err
}
select {
case <-ctx.Done():
return nil, ctx.Err()
case <-done:
}
}
}

53
app/log/command/command.go Normal file
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@ -0,0 +1,53 @@
// +build !confonly
package command
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"context"
grpc "google.golang.org/grpc"
"github.com/xtls/xray-core/v1/app/log"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/core"
)
type LoggerServer struct {
V *core.Instance
}
// RestartLogger implements LoggerService.
func (s *LoggerServer) RestartLogger(ctx context.Context, request *RestartLoggerRequest) (*RestartLoggerResponse, error) {
logger := s.V.GetFeature((*log.Instance)(nil))
if logger == nil {
return nil, newError("unable to get logger instance")
}
if err := logger.Close(); err != nil {
return nil, newError("failed to close logger").Base(err)
}
if err := logger.Start(); err != nil {
return nil, newError("failed to start logger").Base(err)
}
return &RestartLoggerResponse{}, nil
}
func (s *LoggerServer) mustEmbedUnimplementedLoggerServiceServer() {}
type service struct {
v *core.Instance
}
func (s *service) Register(server *grpc.Server) {
RegisterLoggerServiceServer(server, &LoggerServer{
V: s.v,
})
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, cfg interface{}) (interface{}, error) {
s := core.MustFromContext(ctx)
return &service{v: s}, nil
}))
}

34
app/log/command/command_test.go Normal file
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@ -0,0 +1,34 @@
package command_test
import (
"context"
"testing"
"github.com/xtls/xray-core/v1/app/dispatcher"
"github.com/xtls/xray-core/v1/app/log"
. "github.com/xtls/xray-core/v1/app/log/command"
"github.com/xtls/xray-core/v1/app/proxyman"
_ "github.com/xtls/xray-core/v1/app/proxyman/inbound"
_ "github.com/xtls/xray-core/v1/app/proxyman/outbound"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/serial"
"github.com/xtls/xray-core/v1/core"
)
func TestLoggerRestart(t *testing.T) {
v, err := core.New(&core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&log.Config{}),
serial.ToTypedMessage(&dispatcher.Config{}),
serial.ToTypedMessage(&proxyman.InboundConfig{}),
serial.ToTypedMessage(&proxyman.OutboundConfig{}),
},
})
common.Must(err)
common.Must(v.Start())
server := &LoggerServer{
V: v,
}
common.Must2(server.RestartLogger(context.Background(), &RestartLoggerRequest{}))
}

258
app/log/command/config.pb.go Normal file
View file

@ -0,0 +1,258 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.14.0
// source: app/log/command/config.proto
package command
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 Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_app_log_command_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_app_log_command_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_app_log_command_config_proto_rawDescGZIP(), []int{0}
}
type RestartLoggerRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *RestartLoggerRequest) Reset() {
*x = RestartLoggerRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_app_log_command_config_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *RestartLoggerRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*RestartLoggerRequest) ProtoMessage() {}
func (x *RestartLoggerRequest) ProtoReflect() protoreflect.Message {
mi := &file_app_log_command_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 RestartLoggerRequest.ProtoReflect.Descriptor instead.
func (*RestartLoggerRequest) Descriptor() ([]byte, []int) {
return file_app_log_command_config_proto_rawDescGZIP(), []int{1}
}
type RestartLoggerResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *RestartLoggerResponse) Reset() {
*x = RestartLoggerResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_app_log_command_config_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *RestartLoggerResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*RestartLoggerResponse) ProtoMessage() {}
func (x *RestartLoggerResponse) ProtoReflect() protoreflect.Message {
mi := &file_app_log_command_config_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use RestartLoggerResponse.ProtoReflect.Descriptor instead.
func (*RestartLoggerResponse) Descriptor() ([]byte, []int) {
return file_app_log_command_config_proto_rawDescGZIP(), []int{2}
}
var File_app_log_command_config_proto protoreflect.FileDescriptor
var file_app_log_command_config_proto_rawDesc = []byte{
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}
var (
file_app_log_command_config_proto_rawDescOnce sync.Once
file_app_log_command_config_proto_rawDescData = file_app_log_command_config_proto_rawDesc
)
func file_app_log_command_config_proto_rawDescGZIP() []byte {
file_app_log_command_config_proto_rawDescOnce.Do(func() {
file_app_log_command_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_app_log_command_config_proto_rawDescData)
})
return file_app_log_command_config_proto_rawDescData
}
var file_app_log_command_config_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
var file_app_log_command_config_proto_goTypes = []interface{}{
(*Config)(nil), // 0: xray.app.log.command.Config
(*RestartLoggerRequest)(nil), // 1: xray.app.log.command.RestartLoggerRequest
(*RestartLoggerResponse)(nil), // 2: xray.app.log.command.RestartLoggerResponse
}
var file_app_log_command_config_proto_depIdxs = []int32{
1, // 0: xray.app.log.command.LoggerService.RestartLogger:input_type -> xray.app.log.command.RestartLoggerRequest
2, // 1: xray.app.log.command.LoggerService.RestartLogger:output_type -> xray.app.log.command.RestartLoggerResponse
1, // [1:2] is the sub-list for method output_type
0, // [0:1] 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_app_log_command_config_proto_init() }
func file_app_log_command_config_proto_init() {
if File_app_log_command_config_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_app_log_command_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
}
}
file_app_log_command_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*RestartLoggerRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_log_command_config_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*RestartLoggerResponse); 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_app_log_command_config_proto_rawDesc,
NumEnums: 0,
NumMessages: 3,
NumExtensions: 0,
NumServices: 1,
},
GoTypes: file_app_log_command_config_proto_goTypes,
DependencyIndexes: file_app_log_command_config_proto_depIdxs,
MessageInfos: file_app_log_command_config_proto_msgTypes,
}.Build()
File_app_log_command_config_proto = out.File
file_app_log_command_config_proto_rawDesc = nil
file_app_log_command_config_proto_goTypes = nil
file_app_log_command_config_proto_depIdxs = nil
}

17
app/log/command/config.proto Normal file
View file

@ -0,0 +1,17 @@
syntax = "proto3";
package xray.app.log.command;
option csharp_namespace = "Xray.App.Log.Command";
option go_package = "github.com/xtls/xray-core/v1/app/log/command";
option java_package = "com.xray.app.log.command";
option java_multiple_files = true;
message Config {}
message RestartLoggerRequest {}
message RestartLoggerResponse {}
service LoggerService {
rpc RestartLogger(RestartLoggerRequest) returns (RestartLoggerResponse) {}
}

97
app/log/command/config_grpc.pb.go Normal file
View file

@ -0,0 +1,97 @@
// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
package command
import (
context "context"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
)
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion7
// LoggerServiceClient is the client API for LoggerService service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
type LoggerServiceClient interface {
RestartLogger(ctx context.Context, in *RestartLoggerRequest, opts ...grpc.CallOption) (*RestartLoggerResponse, error)
}
type loggerServiceClient struct {
cc grpc.ClientConnInterface
}
func NewLoggerServiceClient(cc grpc.ClientConnInterface) LoggerServiceClient {
return &loggerServiceClient{cc}
}
func (c *loggerServiceClient) RestartLogger(ctx context.Context, in *RestartLoggerRequest, opts ...grpc.CallOption) (*RestartLoggerResponse, error) {
out := new(RestartLoggerResponse)
err := c.cc.Invoke(ctx, "/xray.app.log.command.LoggerService/RestartLogger", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// LoggerServiceServer is the server API for LoggerService service.
// All implementations must embed UnimplementedLoggerServiceServer
// for forward compatibility
type LoggerServiceServer interface {
RestartLogger(context.Context, *RestartLoggerRequest) (*RestartLoggerResponse, error)
mustEmbedUnimplementedLoggerServiceServer()
}
// UnimplementedLoggerServiceServer must be embedded to have forward compatible implementations.
type UnimplementedLoggerServiceServer struct {
}
func (UnimplementedLoggerServiceServer) RestartLogger(context.Context, *RestartLoggerRequest) (*RestartLoggerResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method RestartLogger not implemented")
}
func (UnimplementedLoggerServiceServer) mustEmbedUnimplementedLoggerServiceServer() {}
// UnsafeLoggerServiceServer may be embedded to opt out of forward compatibility for this service.
// Use of this interface is not recommended, as added methods to LoggerServiceServer will
// result in compilation errors.
type UnsafeLoggerServiceServer interface {
mustEmbedUnimplementedLoggerServiceServer()
}
func RegisterLoggerServiceServer(s grpc.ServiceRegistrar, srv LoggerServiceServer) {
s.RegisterService(&_LoggerService_serviceDesc, srv)
}
func _LoggerService_RestartLogger_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(RestartLoggerRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(LoggerServiceServer).RestartLogger(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/xray.app.log.command.LoggerService/RestartLogger",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(LoggerServiceServer).RestartLogger(ctx, req.(*RestartLoggerRequest))
}
return interceptor(ctx, in, info, handler)
}
var _LoggerService_serviceDesc = grpc.ServiceDesc{
ServiceName: "xray.app.log.command.LoggerService",
HandlerType: (*LoggerServiceServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "RestartLogger",
Handler: _LoggerService_RestartLogger_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "app/log/command/config.proto",
}

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

263
app/log/config.pb.go Normal file
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@ -0,0 +1,263 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.14.0
// source: app/log/config.proto
package log
import (
proto "github.com/golang/protobuf/proto"
log "github.com/xtls/xray-core/v1/common/log"
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 LogType int32
const (
LogType_None LogType = 0
LogType_Console LogType = 1
LogType_File LogType = 2
LogType_Event LogType = 3
)
// Enum value maps for LogType.
var (
LogType_name = map[int32]string{
0: "None",
1: "Console",
2: "File",
3: "Event",
}
LogType_value = map[string]int32{
"None": 0,
"Console": 1,
"File": 2,
"Event": 3,
}
)
func (x LogType) Enum() *LogType {
p := new(LogType)
*p = x
return p
}
func (x LogType) String() string {
return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
}
func (LogType) Descriptor() protoreflect.EnumDescriptor {
return file_app_log_config_proto_enumTypes[0].Descriptor()
}
func (LogType) Type() protoreflect.EnumType {
return &file_app_log_config_proto_enumTypes[0]
}
func (x LogType) Number() protoreflect.EnumNumber {
return protoreflect.EnumNumber(x)
}
// Deprecated: Use LogType.Descriptor instead.
func (LogType) EnumDescriptor() ([]byte, []int) {
return file_app_log_config_proto_rawDescGZIP(), []int{0}
}
type Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
ErrorLogType LogType `protobuf:"varint,1,opt,name=error_log_type,json=errorLogType,proto3,enum=xray.app.log.LogType" json:"error_log_type,omitempty"`
ErrorLogLevel log.Severity `protobuf:"varint,2,opt,name=error_log_level,json=errorLogLevel,proto3,enum=xray.common.log.Severity" json:"error_log_level,omitempty"`
ErrorLogPath string `protobuf:"bytes,3,opt,name=error_log_path,json=errorLogPath,proto3" json:"error_log_path,omitempty"`
AccessLogType LogType `protobuf:"varint,4,opt,name=access_log_type,json=accessLogType,proto3,enum=xray.app.log.LogType" json:"access_log_type,omitempty"`
AccessLogPath string `protobuf:"bytes,5,opt,name=access_log_path,json=accessLogPath,proto3" json:"access_log_path,omitempty"`
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_app_log_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_app_log_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_app_log_config_proto_rawDescGZIP(), []int{0}
}
func (x *Config) GetErrorLogType() LogType {
if x != nil {
return x.ErrorLogType
}
return LogType_None
}
func (x *Config) GetErrorLogLevel() log.Severity {
if x != nil {
return x.ErrorLogLevel
}
return log.Severity_Unknown
}
func (x *Config) GetErrorLogPath() string {
if x != nil {
return x.ErrorLogPath
}
return ""
}
func (x *Config) GetAccessLogType() LogType {
if x != nil {
return x.AccessLogType
}
return LogType_None
}
func (x *Config) GetAccessLogPath() string {
if x != nil {
return x.AccessLogPath
}
return ""
}
var File_app_log_config_proto protoreflect.FileDescriptor
var file_app_log_config_proto_rawDesc = []byte{
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}
var (
file_app_log_config_proto_rawDescOnce sync.Once
file_app_log_config_proto_rawDescData = file_app_log_config_proto_rawDesc
)
func file_app_log_config_proto_rawDescGZIP() []byte {
file_app_log_config_proto_rawDescOnce.Do(func() {
file_app_log_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_app_log_config_proto_rawDescData)
})
return file_app_log_config_proto_rawDescData
}
var file_app_log_config_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
var file_app_log_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
var file_app_log_config_proto_goTypes = []interface{}{
(LogType)(0), // 0: xray.app.log.LogType
(*Config)(nil), // 1: xray.app.log.Config
(log.Severity)(0), // 2: xray.common.log.Severity
}
var file_app_log_config_proto_depIdxs = []int32{
0, // 0: xray.app.log.Config.error_log_type:type_name -> xray.app.log.LogType
2, // 1: xray.app.log.Config.error_log_level:type_name -> xray.common.log.Severity
0, // 2: xray.app.log.Config.access_log_type:type_name -> xray.app.log.LogType
3, // [3:3] is the sub-list for method output_type
3, // [3:3] is the sub-list for method input_type
3, // [3:3] is the sub-list for extension type_name
3, // [3:3] is the sub-list for extension extendee
0, // [0:3] is the sub-list for field type_name
}
func init() { file_app_log_config_proto_init() }
func file_app_log_config_proto_init() {
if File_app_log_config_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_app_log_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_app_log_config_proto_rawDesc,
NumEnums: 1,
NumMessages: 1,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_app_log_config_proto_goTypes,
DependencyIndexes: file_app_log_config_proto_depIdxs,
EnumInfos: file_app_log_config_proto_enumTypes,
MessageInfos: file_app_log_config_proto_msgTypes,
}.Build()
File_app_log_config_proto = out.File
file_app_log_config_proto_rawDesc = nil
file_app_log_config_proto_goTypes = nil
file_app_log_config_proto_depIdxs = nil
}

25
app/log/config.proto Normal file
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@ -0,0 +1,25 @@
syntax = "proto3";
package xray.app.log;
option csharp_namespace = "Xray.App.Log";
option go_package = "github.com/xtls/xray-core/v1/app/log";
option java_package = "com.xray.app.log";
option java_multiple_files = true;
import "common/log/log.proto";
enum LogType {
None = 0;
Console = 1;
File = 2;
Event = 3;
}
message Config {
LogType error_log_type = 1;
xray.common.log.Severity error_log_level = 2;
string error_log_path = 3;
LogType access_log_type = 4;
string access_log_path = 5;
}

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

143
app/log/log.go Normal file
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@ -0,0 +1,143 @@
// +build !confonly
package log
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"context"
"sync"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/log"
)
// Instance is a log.Handler that handles logs.
type Instance struct {
sync.RWMutex
config *Config
accessLogger log.Handler
errorLogger log.Handler
active bool
}
// New creates a new log.Instance based on the given config.
func New(ctx context.Context, config *Config) (*Instance, error) {
g := &Instance{
config: config,
active: false,
}
log.RegisterHandler(g)
// start logger instantly on inited
// other modules would log during init
if err := g.startInternal(); err != nil {
return nil, err
}
newError("Logger started").AtDebug().WriteToLog()
return g, nil
}
func (g *Instance) initAccessLogger() error {
handler, err := createHandler(g.config.AccessLogType, HandlerCreatorOptions{
Path: g.config.AccessLogPath,
})
if err != nil {
return err
}
g.accessLogger = handler
return nil
}
func (g *Instance) initErrorLogger() error {
handler, err := createHandler(g.config.ErrorLogType, HandlerCreatorOptions{
Path: g.config.ErrorLogPath,
})
if err != nil {
return err
}
g.errorLogger = handler
return nil
}
// Type implements common.HasType.
func (*Instance) Type() interface{} {
return (*Instance)(nil)
}
func (g *Instance) startInternal() error {
g.Lock()
defer g.Unlock()
if g.active {
return nil
}
g.active = true
if err := g.initAccessLogger(); err != nil {
return newError("failed to initialize access logger").Base(err).AtWarning()
}
if err := g.initErrorLogger(); err != nil {
return newError("failed to initialize error logger").Base(err).AtWarning()
}
return nil
}
// Start implements common.Runnable.Start().
func (g *Instance) Start() error {
return g.startInternal()
}
// Handle implements log.Handler.
func (g *Instance) Handle(msg log.Message) {
g.RLock()
defer g.RUnlock()
if !g.active {
return
}
switch msg := msg.(type) {
case *log.AccessMessage:
if g.accessLogger != nil {
g.accessLogger.Handle(msg)
}
case *log.GeneralMessage:
if g.errorLogger != nil && msg.Severity <= g.config.ErrorLogLevel {
g.errorLogger.Handle(msg)
}
default:
// Swallow
}
}
// Close implements common.Closable.Close().
func (g *Instance) Close() error {
newError("Logger closing").AtDebug().WriteToLog()
g.Lock()
defer g.Unlock()
if !g.active {
return nil
}
g.active = false
common.Close(g.accessLogger)
g.accessLogger = nil
common.Close(g.errorLogger)
g.errorLogger = nil
return nil
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return New(ctx, config.(*Config))
}))
}

53
app/log/log_creator.go Normal file
View file

@ -0,0 +1,53 @@
// +build !confonly
package log
import (
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/log"
)
type HandlerCreatorOptions struct {
Path string
}
type HandlerCreator func(LogType, HandlerCreatorOptions) (log.Handler, error)
var (
handlerCreatorMap = make(map[LogType]HandlerCreator)
)
func RegisterHandlerCreator(logType LogType, f HandlerCreator) error {
if f == nil {
return newError("nil HandlerCreator")
}
handlerCreatorMap[logType] = f
return nil
}
func createHandler(logType LogType, options HandlerCreatorOptions) (log.Handler, error) {
creator, found := handlerCreatorMap[logType]
if !found {
return nil, newError("unable to create log handler for ", logType)
}
return creator(logType, options)
}
func init() {
common.Must(RegisterHandlerCreator(LogType_Console, func(lt LogType, options HandlerCreatorOptions) (log.Handler, error) {
return log.NewLogger(log.CreateStdoutLogWriter()), nil
}))
common.Must(RegisterHandlerCreator(LogType_File, func(lt LogType, options HandlerCreatorOptions) (log.Handler, error) {
creator, err := log.CreateFileLogWriter(options.Path)
if err != nil {
return nil, err
}
return log.NewLogger(creator), nil
}))
common.Must(RegisterHandlerCreator(LogType_None, func(lt LogType, options HandlerCreatorOptions) (log.Handler, error) {
return nil, nil
}))
}

52
app/log/log_test.go Normal file
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@ -0,0 +1,52 @@
package log_test
import (
"context"
"testing"
"github.com/golang/mock/gomock"
"github.com/xtls/xray-core/v1/app/log"
"github.com/xtls/xray-core/v1/common"
clog "github.com/xtls/xray-core/v1/common/log"
"github.com/xtls/xray-core/v1/testing/mocks"
)
func TestCustomLogHandler(t *testing.T) {
mockCtl := gomock.NewController(t)
defer mockCtl.Finish()
var loggedValue []string
mockHandler := mocks.NewLogHandler(mockCtl)
mockHandler.EXPECT().Handle(gomock.Any()).AnyTimes().DoAndReturn(func(msg clog.Message) {
loggedValue = append(loggedValue, msg.String())
})
log.RegisterHandlerCreator(log.LogType_Console, func(lt log.LogType, options log.HandlerCreatorOptions) (clog.Handler, error) {
return mockHandler, nil
})
logger, err := log.New(context.Background(), &log.Config{
ErrorLogLevel: clog.Severity_Debug,
ErrorLogType: log.LogType_Console,
AccessLogType: log.LogType_None,
})
common.Must(err)
common.Must(logger.Start())
clog.Record(&clog.GeneralMessage{
Severity: clog.Severity_Debug,
Content: "test",
})
if len(loggedValue) < 2 {
t.Fatal("expected 2 log messages, but actually ", loggedValue)
}
if loggedValue[1] != "[Debug] test" {
t.Fatal("expected '[Debug] test', but actually ", loggedValue[1])
}
common.Must(logger.Close())
}

93
app/policy/config.go Normal file
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@ -0,0 +1,93 @@
package policy
import (
"time"
"github.com/xtls/xray-core/v1/features/policy"
)
// Duration converts Second to time.Duration.
func (s *Second) Duration() time.Duration {
if s == nil {
return 0
}
return time.Second * time.Duration(s.Value)
}
func defaultPolicy() *Policy {
p := policy.SessionDefault()
return &Policy{
Timeout: &Policy_Timeout{
Handshake: &Second{Value: uint32(p.Timeouts.Handshake / time.Second)},
ConnectionIdle: &Second{Value: uint32(p.Timeouts.ConnectionIdle / time.Second)},
UplinkOnly: &Second{Value: uint32(p.Timeouts.UplinkOnly / time.Second)},
DownlinkOnly: &Second{Value: uint32(p.Timeouts.DownlinkOnly / time.Second)},
},
Buffer: &Policy_Buffer{
Connection: p.Buffer.PerConnection,
},
}
}
func (p *Policy_Timeout) overrideWith(another *Policy_Timeout) {
if another.Handshake != nil {
p.Handshake = &Second{Value: another.Handshake.Value}
}
if another.ConnectionIdle != nil {
p.ConnectionIdle = &Second{Value: another.ConnectionIdle.Value}
}
if another.UplinkOnly != nil {
p.UplinkOnly = &Second{Value: another.UplinkOnly.Value}
}
if another.DownlinkOnly != nil {
p.DownlinkOnly = &Second{Value: another.DownlinkOnly.Value}
}
}
func (p *Policy) overrideWith(another *Policy) {
if another.Timeout != nil {
p.Timeout.overrideWith(another.Timeout)
}
if another.Stats != nil && p.Stats == nil {
p.Stats = &Policy_Stats{}
p.Stats = another.Stats
}
if another.Buffer != nil {
p.Buffer = &Policy_Buffer{
Connection: another.Buffer.Connection,
}
}
}
// ToCorePolicy converts this Policy to policy.Session.
func (p *Policy) ToCorePolicy() policy.Session {
cp := policy.SessionDefault()
if p.Timeout != nil {
cp.Timeouts.ConnectionIdle = p.Timeout.ConnectionIdle.Duration()
cp.Timeouts.Handshake = p.Timeout.Handshake.Duration()
cp.Timeouts.DownlinkOnly = p.Timeout.DownlinkOnly.Duration()
cp.Timeouts.UplinkOnly = p.Timeout.UplinkOnly.Duration()
}
if p.Stats != nil {
cp.Stats.UserUplink = p.Stats.UserUplink
cp.Stats.UserDownlink = p.Stats.UserDownlink
}
if p.Buffer != nil {
cp.Buffer.PerConnection = p.Buffer.Connection
}
return cp
}
// ToCorePolicy converts this SystemPolicy to policy.System.
func (p *SystemPolicy) ToCorePolicy() policy.System {
return policy.System{
Stats: policy.SystemStats{
InboundUplink: p.Stats.InboundUplink,
InboundDownlink: p.Stats.InboundDownlink,
OutboundUplink: p.Stats.OutboundUplink,
OutboundDownlink: p.Stats.OutboundDownlink,
},
}
}

729
app/policy/config.pb.go Normal file
View file

@ -0,0 +1,729 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.14.0
// source: app/policy/config.proto
package policy
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 Second struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Value uint32 `protobuf:"varint,1,opt,name=value,proto3" json:"value,omitempty"`
}
func (x *Second) Reset() {
*x = Second{}
if protoimpl.UnsafeEnabled {
mi := &file_app_policy_config_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Second) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Second) ProtoMessage() {}
func (x *Second) ProtoReflect() protoreflect.Message {
mi := &file_app_policy_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 Second.ProtoReflect.Descriptor instead.
func (*Second) Descriptor() ([]byte, []int) {
return file_app_policy_config_proto_rawDescGZIP(), []int{0}
}
func (x *Second) GetValue() uint32 {
if x != nil {
return x.Value
}
return 0
}
type Policy struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Timeout *Policy_Timeout `protobuf:"bytes,1,opt,name=timeout,proto3" json:"timeout,omitempty"`
Stats *Policy_Stats `protobuf:"bytes,2,opt,name=stats,proto3" json:"stats,omitempty"`
Buffer *Policy_Buffer `protobuf:"bytes,3,opt,name=buffer,proto3" json:"buffer,omitempty"`
}
func (x *Policy) Reset() {
*x = Policy{}
if protoimpl.UnsafeEnabled {
mi := &file_app_policy_config_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Policy) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Policy) ProtoMessage() {}
func (x *Policy) ProtoReflect() protoreflect.Message {
mi := &file_app_policy_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 Policy.ProtoReflect.Descriptor instead.
func (*Policy) Descriptor() ([]byte, []int) {
return file_app_policy_config_proto_rawDescGZIP(), []int{1}
}
func (x *Policy) GetTimeout() *Policy_Timeout {
if x != nil {
return x.Timeout
}
return nil
}
func (x *Policy) GetStats() *Policy_Stats {
if x != nil {
return x.Stats
}
return nil
}
func (x *Policy) GetBuffer() *Policy_Buffer {
if x != nil {
return x.Buffer
}
return nil
}
type SystemPolicy struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Stats *SystemPolicy_Stats `protobuf:"bytes,1,opt,name=stats,proto3" json:"stats,omitempty"`
}
func (x *SystemPolicy) Reset() {
*x = SystemPolicy{}
if protoimpl.UnsafeEnabled {
mi := &file_app_policy_config_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *SystemPolicy) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*SystemPolicy) ProtoMessage() {}
func (x *SystemPolicy) ProtoReflect() protoreflect.Message {
mi := &file_app_policy_config_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use SystemPolicy.ProtoReflect.Descriptor instead.
func (*SystemPolicy) Descriptor() ([]byte, []int) {
return file_app_policy_config_proto_rawDescGZIP(), []int{2}
}
func (x *SystemPolicy) GetStats() *SystemPolicy_Stats {
if x != nil {
return x.Stats
}
return nil
}
type Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Level map[uint32]*Policy `protobuf:"bytes,1,rep,name=level,proto3" json:"level,omitempty" protobuf_key:"varint,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
System *SystemPolicy `protobuf:"bytes,2,opt,name=system,proto3" json:"system,omitempty"`
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_app_policy_config_proto_msgTypes[3]
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_app_policy_config_proto_msgTypes[3]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Config.ProtoReflect.Descriptor instead.
func (*Config) Descriptor() ([]byte, []int) {
return file_app_policy_config_proto_rawDescGZIP(), []int{3}
}
func (x *Config) GetLevel() map[uint32]*Policy {
if x != nil {
return x.Level
}
return nil
}
func (x *Config) GetSystem() *SystemPolicy {
if x != nil {
return x.System
}
return nil
}
// Timeout is a message for timeout settings in various stages, in seconds.
type Policy_Timeout struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Handshake *Second `protobuf:"bytes,1,opt,name=handshake,proto3" json:"handshake,omitempty"`
ConnectionIdle *Second `protobuf:"bytes,2,opt,name=connection_idle,json=connectionIdle,proto3" json:"connection_idle,omitempty"`
UplinkOnly *Second `protobuf:"bytes,3,opt,name=uplink_only,json=uplinkOnly,proto3" json:"uplink_only,omitempty"`
DownlinkOnly *Second `protobuf:"bytes,4,opt,name=downlink_only,json=downlinkOnly,proto3" json:"downlink_only,omitempty"`
}
func (x *Policy_Timeout) Reset() {
*x = Policy_Timeout{}
if protoimpl.UnsafeEnabled {
mi := &file_app_policy_config_proto_msgTypes[4]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Policy_Timeout) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Policy_Timeout) ProtoMessage() {}
func (x *Policy_Timeout) ProtoReflect() protoreflect.Message {
mi := &file_app_policy_config_proto_msgTypes[4]
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 Policy_Timeout.ProtoReflect.Descriptor instead.
func (*Policy_Timeout) Descriptor() ([]byte, []int) {
return file_app_policy_config_proto_rawDescGZIP(), []int{1, 0}
}
func (x *Policy_Timeout) GetHandshake() *Second {
if x != nil {
return x.Handshake
}
return nil
}
func (x *Policy_Timeout) GetConnectionIdle() *Second {
if x != nil {
return x.ConnectionIdle
}
return nil
}
func (x *Policy_Timeout) GetUplinkOnly() *Second {
if x != nil {
return x.UplinkOnly
}
return nil
}
func (x *Policy_Timeout) GetDownlinkOnly() *Second {
if x != nil {
return x.DownlinkOnly
}
return nil
}
type Policy_Stats struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
UserUplink bool `protobuf:"varint,1,opt,name=user_uplink,json=userUplink,proto3" json:"user_uplink,omitempty"`
UserDownlink bool `protobuf:"varint,2,opt,name=user_downlink,json=userDownlink,proto3" json:"user_downlink,omitempty"`
}
func (x *Policy_Stats) Reset() {
*x = Policy_Stats{}
if protoimpl.UnsafeEnabled {
mi := &file_app_policy_config_proto_msgTypes[5]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Policy_Stats) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Policy_Stats) ProtoMessage() {}
func (x *Policy_Stats) ProtoReflect() protoreflect.Message {
mi := &file_app_policy_config_proto_msgTypes[5]
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 Policy_Stats.ProtoReflect.Descriptor instead.
func (*Policy_Stats) Descriptor() ([]byte, []int) {
return file_app_policy_config_proto_rawDescGZIP(), []int{1, 1}
}
func (x *Policy_Stats) GetUserUplink() bool {
if x != nil {
return x.UserUplink
}
return false
}
func (x *Policy_Stats) GetUserDownlink() bool {
if x != nil {
return x.UserDownlink
}
return false
}
type Policy_Buffer struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Buffer size per connection, in bytes. -1 for unlimited buffer.
Connection int32 `protobuf:"varint,1,opt,name=connection,proto3" json:"connection,omitempty"`
}
func (x *Policy_Buffer) Reset() {
*x = Policy_Buffer{}
if protoimpl.UnsafeEnabled {
mi := &file_app_policy_config_proto_msgTypes[6]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Policy_Buffer) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Policy_Buffer) ProtoMessage() {}
func (x *Policy_Buffer) ProtoReflect() protoreflect.Message {
mi := &file_app_policy_config_proto_msgTypes[6]
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 Policy_Buffer.ProtoReflect.Descriptor instead.
func (*Policy_Buffer) Descriptor() ([]byte, []int) {
return file_app_policy_config_proto_rawDescGZIP(), []int{1, 2}
}
func (x *Policy_Buffer) GetConnection() int32 {
if x != nil {
return x.Connection
}
return 0
}
type SystemPolicy_Stats struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
InboundUplink bool `protobuf:"varint,1,opt,name=inbound_uplink,json=inboundUplink,proto3" json:"inbound_uplink,omitempty"`
InboundDownlink bool `protobuf:"varint,2,opt,name=inbound_downlink,json=inboundDownlink,proto3" json:"inbound_downlink,omitempty"`
OutboundUplink bool `protobuf:"varint,3,opt,name=outbound_uplink,json=outboundUplink,proto3" json:"outbound_uplink,omitempty"`
OutboundDownlink bool `protobuf:"varint,4,opt,name=outbound_downlink,json=outboundDownlink,proto3" json:"outbound_downlink,omitempty"`
}
func (x *SystemPolicy_Stats) Reset() {
*x = SystemPolicy_Stats{}
if protoimpl.UnsafeEnabled {
mi := &file_app_policy_config_proto_msgTypes[7]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *SystemPolicy_Stats) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*SystemPolicy_Stats) ProtoMessage() {}
func (x *SystemPolicy_Stats) ProtoReflect() protoreflect.Message {
mi := &file_app_policy_config_proto_msgTypes[7]
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 SystemPolicy_Stats.ProtoReflect.Descriptor instead.
func (*SystemPolicy_Stats) Descriptor() ([]byte, []int) {
return file_app_policy_config_proto_rawDescGZIP(), []int{2, 0}
}
func (x *SystemPolicy_Stats) GetInboundUplink() bool {
if x != nil {
return x.InboundUplink
}
return false
}
func (x *SystemPolicy_Stats) GetInboundDownlink() bool {
if x != nil {
return x.InboundDownlink
}
return false
}
func (x *SystemPolicy_Stats) GetOutboundUplink() bool {
if x != nil {
return x.OutboundUplink
}
return false
}
func (x *SystemPolicy_Stats) GetOutboundDownlink() bool {
if x != nil {
return x.OutboundDownlink
}
return false
}
var File_app_policy_config_proto protoreflect.FileDescriptor
var file_app_policy_config_proto_rawDesc = []byte{
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}
var (
file_app_policy_config_proto_rawDescOnce sync.Once
file_app_policy_config_proto_rawDescData = file_app_policy_config_proto_rawDesc
)
func file_app_policy_config_proto_rawDescGZIP() []byte {
file_app_policy_config_proto_rawDescOnce.Do(func() {
file_app_policy_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_app_policy_config_proto_rawDescData)
})
return file_app_policy_config_proto_rawDescData
}
var file_app_policy_config_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
var file_app_policy_config_proto_goTypes = []interface{}{
(*Second)(nil), // 0: xray.app.policy.Second
(*Policy)(nil), // 1: xray.app.policy.Policy
(*SystemPolicy)(nil), // 2: xray.app.policy.SystemPolicy
(*Config)(nil), // 3: xray.app.policy.Config
(*Policy_Timeout)(nil), // 4: xray.app.policy.Policy.Timeout
(*Policy_Stats)(nil), // 5: xray.app.policy.Policy.Stats
(*Policy_Buffer)(nil), // 6: xray.app.policy.Policy.Buffer
(*SystemPolicy_Stats)(nil), // 7: xray.app.policy.SystemPolicy.Stats
nil, // 8: xray.app.policy.Config.LevelEntry
}
var file_app_policy_config_proto_depIdxs = []int32{
4, // 0: xray.app.policy.Policy.timeout:type_name -> xray.app.policy.Policy.Timeout
5, // 1: xray.app.policy.Policy.stats:type_name -> xray.app.policy.Policy.Stats
6, // 2: xray.app.policy.Policy.buffer:type_name -> xray.app.policy.Policy.Buffer
7, // 3: xray.app.policy.SystemPolicy.stats:type_name -> xray.app.policy.SystemPolicy.Stats
8, // 4: xray.app.policy.Config.level:type_name -> xray.app.policy.Config.LevelEntry
2, // 5: xray.app.policy.Config.system:type_name -> xray.app.policy.SystemPolicy
0, // 6: xray.app.policy.Policy.Timeout.handshake:type_name -> xray.app.policy.Second
0, // 7: xray.app.policy.Policy.Timeout.connection_idle:type_name -> xray.app.policy.Second
0, // 8: xray.app.policy.Policy.Timeout.uplink_only:type_name -> xray.app.policy.Second
0, // 9: xray.app.policy.Policy.Timeout.downlink_only:type_name -> xray.app.policy.Second
1, // 10: xray.app.policy.Config.LevelEntry.value:type_name -> xray.app.policy.Policy
11, // [11:11] is the sub-list for method output_type
11, // [11:11] is the sub-list for method input_type
11, // [11:11] is the sub-list for extension type_name
11, // [11:11] is the sub-list for extension extendee
0, // [0:11] is the sub-list for field type_name
}
func init() { file_app_policy_config_proto_init() }
func file_app_policy_config_proto_init() {
if File_app_policy_config_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_app_policy_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Second); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_policy_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Policy); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_policy_config_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*SystemPolicy); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_policy_config_proto_msgTypes[3].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
}
}
file_app_policy_config_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Policy_Timeout); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_policy_config_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Policy_Stats); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_policy_config_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Policy_Buffer); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_policy_config_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*SystemPolicy_Stats); 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_app_policy_config_proto_rawDesc,
NumEnums: 0,
NumMessages: 9,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_app_policy_config_proto_goTypes,
DependencyIndexes: file_app_policy_config_proto_depIdxs,
MessageInfos: file_app_policy_config_proto_msgTypes,
}.Build()
File_app_policy_config_proto = out.File
file_app_policy_config_proto_rawDesc = nil
file_app_policy_config_proto_goTypes = nil
file_app_policy_config_proto_depIdxs = nil
}

51
app/policy/config.proto Normal file
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syntax = "proto3";
package xray.app.policy;
option csharp_namespace = "Xray.App.Policy";
option go_package = "github.com/xtls/xray-core/v1/app/policy";
option java_package = "com.xray.app.policy";
option java_multiple_files = true;
message Second {
uint32 value = 1;
}
message Policy {
// Timeout is a message for timeout settings in various stages, in seconds.
message Timeout {
Second handshake = 1;
Second connection_idle = 2;
Second uplink_only = 3;
Second downlink_only = 4;
}
message Stats {
bool user_uplink = 1;
bool user_downlink = 2;
}
message Buffer {
// Buffer size per connection, in bytes. -1 for unlimited buffer.
int32 connection = 1;
}
Timeout timeout = 1;
Stats stats = 2;
Buffer buffer = 3;
}
message SystemPolicy {
message Stats {
bool inbound_uplink = 1;
bool inbound_downlink = 2;
bool outbound_uplink = 3;
bool outbound_downlink = 4;
}
Stats stats = 1;
}
message Config {
map<uint32, Policy> level = 1;
SystemPolicy system = 2;
}

9
app/policy/errors.generated.go Normal file
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package policy
import "github.com/xtls/xray-core/v1/common/errors"
type errPathObjHolder struct{}
func newError(values ...interface{}) *errors.Error {
return errors.New(values...).WithPathObj(errPathObjHolder{})
}

68
app/policy/manager.go Normal file
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package policy
import (
"context"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/features/policy"
)
// Instance is an instance of Policy manager.
type Instance struct {
levels map[uint32]*Policy
system *SystemPolicy
}
// New creates new Policy manager instance.
func New(ctx context.Context, config *Config) (*Instance, error) {
m := &Instance{
levels: make(map[uint32]*Policy),
system: config.System,
}
if len(config.Level) > 0 {
for lv, p := range config.Level {
pp := defaultPolicy()
pp.overrideWith(p)
m.levels[lv] = pp
}
}
return m, nil
}
// Type implements common.HasType.
func (*Instance) Type() interface{} {
return policy.ManagerType()
}
// ForLevel implements policy.Manager.
func (m *Instance) ForLevel(level uint32) policy.Session {
if p, ok := m.levels[level]; ok {
return p.ToCorePolicy()
}
return policy.SessionDefault()
}
// ForSystem implements policy.Manager.
func (m *Instance) ForSystem() policy.System {
if m.system == nil {
return policy.System{}
}
return m.system.ToCorePolicy()
}
// Start implements common.Runnable.Start().
func (m *Instance) Start() error {
return nil
}
// Close implements common.Closable.Close().
func (m *Instance) Close() error {
return nil
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return New(ctx, config.(*Config))
}))
}

45
app/policy/manager_test.go Normal file
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@ -0,0 +1,45 @@
package policy_test
import (
"context"
"testing"
"time"
. "github.com/xtls/xray-core/v1/app/policy"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/features/policy"
)
func TestPolicy(t *testing.T) {
manager, err := New(context.Background(), &Config{
Level: map[uint32]*Policy{
0: {
Timeout: &Policy_Timeout{
Handshake: &Second{
Value: 2,
},
},
},
},
})
common.Must(err)
pDefault := policy.SessionDefault()
{
p := manager.ForLevel(0)
if p.Timeouts.Handshake != 2*time.Second {
t.Error("expect 2 sec timeout, but got ", p.Timeouts.Handshake)
}
if p.Timeouts.ConnectionIdle != pDefault.Timeouts.ConnectionIdle {
t.Error("expect ", pDefault.Timeouts.ConnectionIdle, " sec timeout, but got ", p.Timeouts.ConnectionIdle)
}
}
{
p := manager.ForLevel(1)
if p.Timeouts.Handshake != pDefault.Timeouts.Handshake {
t.Error("expect ", pDefault.Timeouts.Handshake, " sec timeout, but got ", p.Timeouts.Handshake)
}
}
}

4
app/policy/policy.go Normal file
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// Package policy is an implementation of policy.Manager feature.
package policy
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen

150
app/proxyman/command/command.go Normal file
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// +build !confonly
package command
import (
"context"
grpc "google.golang.org/grpc"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/features/inbound"
"github.com/xtls/xray-core/v1/features/outbound"
"github.com/xtls/xray-core/v1/proxy"
)
// InboundOperation is the interface for operations that applies to inbound handlers.
type InboundOperation interface {
// ApplyInbound applies this operation to the given inbound handler.
ApplyInbound(context.Context, inbound.Handler) error
}
// OutboundOperation is the interface for operations that applies to outbound handlers.
type OutboundOperation interface {
// ApplyOutbound applies this operation to the given outbound handler.
ApplyOutbound(context.Context, outbound.Handler) error
}
func getInbound(handler inbound.Handler) (proxy.Inbound, error) {
gi, ok := handler.(proxy.GetInbound)
if !ok {
return nil, newError("can't get inbound proxy from handler.")
}
return gi.GetInbound(), nil
}
// ApplyInbound implements InboundOperation.
func (op *AddUserOperation) ApplyInbound(ctx context.Context, handler inbound.Handler) error {
p, err := getInbound(handler)
if err != nil {
return err
}
um, ok := p.(proxy.UserManager)
if !ok {
return newError("proxy is not a UserManager")
}
mUser, err := op.User.ToMemoryUser()
if err != nil {
return newError("failed to parse user").Base(err)
}
return um.AddUser(ctx, mUser)
}
// ApplyInbound implements InboundOperation.
func (op *RemoveUserOperation) ApplyInbound(ctx context.Context, handler inbound.Handler) error {
p, err := getInbound(handler)
if err != nil {
return err
}
um, ok := p.(proxy.UserManager)
if !ok {
return newError("proxy is not a UserManager")
}
return um.RemoveUser(ctx, op.Email)
}
type handlerServer struct {
s *core.Instance
ihm inbound.Manager
ohm outbound.Manager
}
func (s *handlerServer) AddInbound(ctx context.Context, request *AddInboundRequest) (*AddInboundResponse, error) {
if err := core.AddInboundHandler(s.s, request.Inbound); err != nil {
return nil, err
}
return &AddInboundResponse{}, nil
}
func (s *handlerServer) RemoveInbound(ctx context.Context, request *RemoveInboundRequest) (*RemoveInboundResponse, error) {
return &RemoveInboundResponse{}, s.ihm.RemoveHandler(ctx, request.Tag)
}
func (s *handlerServer) AlterInbound(ctx context.Context, request *AlterInboundRequest) (*AlterInboundResponse, error) {
rawOperation, err := request.Operation.GetInstance()
if err != nil {
return nil, newError("unknown operation").Base(err)
}
operation, ok := rawOperation.(InboundOperation)
if !ok {
return nil, newError("not an inbound operation")
}
handler, err := s.ihm.GetHandler(ctx, request.Tag)
if err != nil {
return nil, newError("failed to get handler: ", request.Tag).Base(err)
}
return &AlterInboundResponse{}, operation.ApplyInbound(ctx, handler)
}
func (s *handlerServer) AddOutbound(ctx context.Context, request *AddOutboundRequest) (*AddOutboundResponse, error) {
if err := core.AddOutboundHandler(s.s, request.Outbound); err != nil {
return nil, err
}
return &AddOutboundResponse{}, nil
}
func (s *handlerServer) RemoveOutbound(ctx context.Context, request *RemoveOutboundRequest) (*RemoveOutboundResponse, error) {
return &RemoveOutboundResponse{}, s.ohm.RemoveHandler(ctx, request.Tag)
}
func (s *handlerServer) AlterOutbound(ctx context.Context, request *AlterOutboundRequest) (*AlterOutboundResponse, error) {
rawOperation, err := request.Operation.GetInstance()
if err != nil {
return nil, newError("unknown operation").Base(err)
}
operation, ok := rawOperation.(OutboundOperation)
if !ok {
return nil, newError("not an outbound operation")
}
handler := s.ohm.GetHandler(request.Tag)
return &AlterOutboundResponse{}, operation.ApplyOutbound(ctx, handler)
}
func (s *handlerServer) mustEmbedUnimplementedHandlerServiceServer() {}
type service struct {
v *core.Instance
}
func (s *service) Register(server *grpc.Server) {
hs := &handlerServer{
s: s.v,
}
common.Must(s.v.RequireFeatures(func(im inbound.Manager, om outbound.Manager) {
hs.ihm = im
hs.ohm = om
}))
RegisterHandlerServiceServer(server, hs)
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, cfg interface{}) (interface{}, error) {
s := core.MustFromContext(ctx)
return &service{v: s}, nil
}))
}

1065
app/proxyman/command/command.pb.go Normal file
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73
app/proxyman/command/command.proto Normal file
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@ -0,0 +1,73 @@
syntax = "proto3";
package xray.app.proxyman.command;
option csharp_namespace = "Xray.App.Proxyman.Command";
option go_package = "github.com/xtls/xray-core/v1/app/proxyman/command";
option java_package = "com.xray.app.proxyman.command";
option java_multiple_files = true;
import "common/protocol/user.proto";
import "common/serial/typed_message.proto";
import "core/config.proto";
message AddUserOperation {
xray.common.protocol.User user = 1;
}
message RemoveUserOperation {
string email = 1;
}
message AddInboundRequest {
core.InboundHandlerConfig inbound = 1;
}
message AddInboundResponse {}
message RemoveInboundRequest {
string tag = 1;
}
message RemoveInboundResponse {}
message AlterInboundRequest {
string tag = 1;
xray.common.serial.TypedMessage operation = 2;
}
message AlterInboundResponse {}
message AddOutboundRequest {
core.OutboundHandlerConfig outbound = 1;
}
message AddOutboundResponse {}
message RemoveOutboundRequest {
string tag = 1;
}
message RemoveOutboundResponse {}
message AlterOutboundRequest {
string tag = 1;
xray.common.serial.TypedMessage operation = 2;
}
message AlterOutboundResponse {}
service HandlerService {
rpc AddInbound(AddInboundRequest) returns (AddInboundResponse) {}
rpc RemoveInbound(RemoveInboundRequest) returns (RemoveInboundResponse) {}
rpc AlterInbound(AlterInboundRequest) returns (AlterInboundResponse) {}
rpc AddOutbound(AddOutboundRequest) returns (AddOutboundResponse) {}
rpc RemoveOutbound(RemoveOutboundRequest) returns (RemoveOutboundResponse) {}
rpc AlterOutbound(AlterOutboundRequest) returns (AlterOutboundResponse) {}
}
message Config {}

277
app/proxyman/command/command_grpc.pb.go Normal file
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@ -0,0 +1,277 @@
// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
package command
import (
context "context"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
)
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion7
// HandlerServiceClient is the client API for HandlerService service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
type HandlerServiceClient interface {
AddInbound(ctx context.Context, in *AddInboundRequest, opts ...grpc.CallOption) (*AddInboundResponse, error)
RemoveInbound(ctx context.Context, in *RemoveInboundRequest, opts ...grpc.CallOption) (*RemoveInboundResponse, error)
AlterInbound(ctx context.Context, in *AlterInboundRequest, opts ...grpc.CallOption) (*AlterInboundResponse, error)
AddOutbound(ctx context.Context, in *AddOutboundRequest, opts ...grpc.CallOption) (*AddOutboundResponse, error)
RemoveOutbound(ctx context.Context, in *RemoveOutboundRequest, opts ...grpc.CallOption) (*RemoveOutboundResponse, error)
AlterOutbound(ctx context.Context, in *AlterOutboundRequest, opts ...grpc.CallOption) (*AlterOutboundResponse, error)
}
type handlerServiceClient struct {
cc grpc.ClientConnInterface
}
func NewHandlerServiceClient(cc grpc.ClientConnInterface) HandlerServiceClient {
return &handlerServiceClient{cc}
}
func (c *handlerServiceClient) AddInbound(ctx context.Context, in *AddInboundRequest, opts ...grpc.CallOption) (*AddInboundResponse, error) {
out := new(AddInboundResponse)
err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/AddInbound", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *handlerServiceClient) RemoveInbound(ctx context.Context, in *RemoveInboundRequest, opts ...grpc.CallOption) (*RemoveInboundResponse, error) {
out := new(RemoveInboundResponse)
err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/RemoveInbound", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *handlerServiceClient) AlterInbound(ctx context.Context, in *AlterInboundRequest, opts ...grpc.CallOption) (*AlterInboundResponse, error) {
out := new(AlterInboundResponse)
err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/AlterInbound", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *handlerServiceClient) AddOutbound(ctx context.Context, in *AddOutboundRequest, opts ...grpc.CallOption) (*AddOutboundResponse, error) {
out := new(AddOutboundResponse)
err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/AddOutbound", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *handlerServiceClient) RemoveOutbound(ctx context.Context, in *RemoveOutboundRequest, opts ...grpc.CallOption) (*RemoveOutboundResponse, error) {
out := new(RemoveOutboundResponse)
err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/RemoveOutbound", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *handlerServiceClient) AlterOutbound(ctx context.Context, in *AlterOutboundRequest, opts ...grpc.CallOption) (*AlterOutboundResponse, error) {
out := new(AlterOutboundResponse)
err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/AlterOutbound", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// HandlerServiceServer is the server API for HandlerService service.
// All implementations must embed UnimplementedHandlerServiceServer
// for forward compatibility
type HandlerServiceServer interface {
AddInbound(context.Context, *AddInboundRequest) (*AddInboundResponse, error)
RemoveInbound(context.Context, *RemoveInboundRequest) (*RemoveInboundResponse, error)
AlterInbound(context.Context, *AlterInboundRequest) (*AlterInboundResponse, error)
AddOutbound(context.Context, *AddOutboundRequest) (*AddOutboundResponse, error)
RemoveOutbound(context.Context, *RemoveOutboundRequest) (*RemoveOutboundResponse, error)
AlterOutbound(context.Context, *AlterOutboundRequest) (*AlterOutboundResponse, error)
mustEmbedUnimplementedHandlerServiceServer()
}
// UnimplementedHandlerServiceServer must be embedded to have forward compatible implementations.
type UnimplementedHandlerServiceServer struct {
}
func (UnimplementedHandlerServiceServer) AddInbound(context.Context, *AddInboundRequest) (*AddInboundResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method AddInbound not implemented")
}
func (UnimplementedHandlerServiceServer) RemoveInbound(context.Context, *RemoveInboundRequest) (*RemoveInboundResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method RemoveInbound not implemented")
}
func (UnimplementedHandlerServiceServer) AlterInbound(context.Context, *AlterInboundRequest) (*AlterInboundResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method AlterInbound not implemented")
}
func (UnimplementedHandlerServiceServer) AddOutbound(context.Context, *AddOutboundRequest) (*AddOutboundResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method AddOutbound not implemented")
}
func (UnimplementedHandlerServiceServer) RemoveOutbound(context.Context, *RemoveOutboundRequest) (*RemoveOutboundResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method RemoveOutbound not implemented")
}
func (UnimplementedHandlerServiceServer) AlterOutbound(context.Context, *AlterOutboundRequest) (*AlterOutboundResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method AlterOutbound not implemented")
}
func (UnimplementedHandlerServiceServer) mustEmbedUnimplementedHandlerServiceServer() {}
// UnsafeHandlerServiceServer may be embedded to opt out of forward compatibility for this service.
// Use of this interface is not recommended, as added methods to HandlerServiceServer will
// result in compilation errors.
type UnsafeHandlerServiceServer interface {
mustEmbedUnimplementedHandlerServiceServer()
}
func RegisterHandlerServiceServer(s grpc.ServiceRegistrar, srv HandlerServiceServer) {
s.RegisterService(&_HandlerService_serviceDesc, srv)
}
func _HandlerService_AddInbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(AddInboundRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(HandlerServiceServer).AddInbound(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/xray.app.proxyman.command.HandlerService/AddInbound",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(HandlerServiceServer).AddInbound(ctx, req.(*AddInboundRequest))
}
return interceptor(ctx, in, info, handler)
}
func _HandlerService_RemoveInbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(RemoveInboundRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(HandlerServiceServer).RemoveInbound(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/xray.app.proxyman.command.HandlerService/RemoveInbound",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(HandlerServiceServer).RemoveInbound(ctx, req.(*RemoveInboundRequest))
}
return interceptor(ctx, in, info, handler)
}
func _HandlerService_AlterInbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(AlterInboundRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(HandlerServiceServer).AlterInbound(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/xray.app.proxyman.command.HandlerService/AlterInbound",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(HandlerServiceServer).AlterInbound(ctx, req.(*AlterInboundRequest))
}
return interceptor(ctx, in, info, handler)
}
func _HandlerService_AddOutbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(AddOutboundRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(HandlerServiceServer).AddOutbound(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/xray.app.proxyman.command.HandlerService/AddOutbound",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(HandlerServiceServer).AddOutbound(ctx, req.(*AddOutboundRequest))
}
return interceptor(ctx, in, info, handler)
}
func _HandlerService_RemoveOutbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(RemoveOutboundRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(HandlerServiceServer).RemoveOutbound(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/xray.app.proxyman.command.HandlerService/RemoveOutbound",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(HandlerServiceServer).RemoveOutbound(ctx, req.(*RemoveOutboundRequest))
}
return interceptor(ctx, in, info, handler)
}
func _HandlerService_AlterOutbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(AlterOutboundRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(HandlerServiceServer).AlterOutbound(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/xray.app.proxyman.command.HandlerService/AlterOutbound",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(HandlerServiceServer).AlterOutbound(ctx, req.(*AlterOutboundRequest))
}
return interceptor(ctx, in, info, handler)
}
var _HandlerService_serviceDesc = grpc.ServiceDesc{
ServiceName: "xray.app.proxyman.command.HandlerService",
HandlerType: (*HandlerServiceServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "AddInbound",
Handler: _HandlerService_AddInbound_Handler,
},
{
MethodName: "RemoveInbound",
Handler: _HandlerService_RemoveInbound_Handler,
},
{
MethodName: "AlterInbound",
Handler: _HandlerService_AlterInbound_Handler,
},
{
MethodName: "AddOutbound",
Handler: _HandlerService_AddOutbound_Handler,
},
{
MethodName: "RemoveOutbound",
Handler: _HandlerService_RemoveOutbound_Handler,
},
{
MethodName: "AlterOutbound",
Handler: _HandlerService_AlterOutbound_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "app/proxyman/command/command.proto",
}

3
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package command
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen

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package command
import "github.com/xtls/xray-core/v1/common/errors"
type errPathObjHolder struct{}
func newError(values ...interface{}) *errors.Error {
return errors.New(values...).WithPathObj(errPathObjHolder{})
}

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package proxyman
func (s *AllocationStrategy) GetConcurrencyValue() uint32 {
if s == nil || s.Concurrency == nil {
return 3
}
return s.Concurrency.Value
}
func (s *AllocationStrategy) GetRefreshValue() uint32 {
if s == nil || s.Refresh == nil {
return 5
}
return s.Refresh.Value
}
func (c *ReceiverConfig) GetEffectiveSniffingSettings() *SniffingConfig {
if c.SniffingSettings != nil {
return c.SniffingSettings
}
if len(c.DomainOverride) > 0 {
var p []string
for _, kd := range c.DomainOverride {
switch kd {
case KnownProtocols_HTTP:
p = append(p, "http")
case KnownProtocols_TLS:
p = append(p, "tls")
}
}
return &SniffingConfig{
Enabled: true,
DestinationOverride: p,
}
}
return nil
}

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syntax = "proto3";
package xray.app.proxyman;
option csharp_namespace = "Xray.App.Proxyman";
option go_package = "github.com/xtls/xray-core/v1/app/proxyman";
option java_package = "com.xray.app.proxyman";
option java_multiple_files = true;
import "common/net/address.proto";
import "common/net/port.proto";
import "transport/internet/config.proto";
import "common/serial/typed_message.proto";
message InboundConfig {}
message AllocationStrategy {
enum Type {
// Always allocate all connection handlers.
Always = 0;
// Randomly allocate specific range of handlers.
Random = 1;
// External. Not supported yet.
External = 2;
}
Type type = 1;
message AllocationStrategyConcurrency {
uint32 value = 1;
}
// Number of handlers (ports) running in parallel.
// Default value is 3 if unset.
AllocationStrategyConcurrency concurrency = 2;
message AllocationStrategyRefresh {
uint32 value = 1;
}
// Number of minutes before a handler is regenerated.
// Default value is 5 if unset.
AllocationStrategyRefresh refresh = 3;
}
enum KnownProtocols {
HTTP = 0;
TLS = 1;
}
message SniffingConfig {
// Whether or not to enable content sniffing on an inbound connection.
bool enabled = 1;
// Override target destination if sniff'ed protocol is in the given list.
// Supported values are "http", "tls".
repeated string destination_override = 2;
}
message ReceiverConfig {
// PortRange specifies the ports which the Receiver should listen on.
xray.common.net.PortRange port_range = 1;
// Listen specifies the IP address that the Receiver should listen on.
xray.common.net.IPOrDomain listen = 2;
AllocationStrategy allocation_strategy = 3;
xray.transport.internet.StreamConfig stream_settings = 4;
bool receive_original_destination = 5;
reserved 6;
// Override domains for the given protocol.
// Deprecated. Use sniffing_settings.
repeated KnownProtocols domain_override = 7 [deprecated = true];
SniffingConfig sniffing_settings = 8;
}
message InboundHandlerConfig {
string tag = 1;
xray.common.serial.TypedMessage receiver_settings = 2;
xray.common.serial.TypedMessage proxy_settings = 3;
}
message OutboundConfig {}
message SenderConfig {
// Send traffic through the given IP. Only IP is allowed.
xray.common.net.IPOrDomain via = 1;
xray.transport.internet.StreamConfig stream_settings = 2;
xray.transport.internet.ProxyConfig proxy_settings = 3;
MultiplexingConfig multiplex_settings = 4;
}
message MultiplexingConfig {
// Whether or not Mux is enabled.
bool enabled = 1;
// Max number of concurrent connections that one Mux connection can handle.
uint32 concurrency = 2;
}

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package inbound
import (
"context"
"github.com/xtls/xray-core/v1/app/proxyman"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/dice"
"github.com/xtls/xray-core/v1/common/errors"
"github.com/xtls/xray-core/v1/common/mux"
"github.com/xtls/xray-core/v1/common/net"
"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"
"github.com/xtls/xray-core/v1/transport/internet"
)
func getStatCounter(v *core.Instance, tag string) (stats.Counter, stats.Counter) {
var uplinkCounter stats.Counter
var downlinkCounter stats.Counter
policy := v.GetFeature(policy.ManagerType()).(policy.Manager)
if len(tag) > 0 && policy.ForSystem().Stats.InboundUplink {
statsManager := v.GetFeature(stats.ManagerType()).(stats.Manager)
name := "inbound>>>" + tag + ">>>traffic>>>uplink"
c, _ := stats.GetOrRegisterCounter(statsManager, name)
if c != nil {
uplinkCounter = c
}
}
if len(tag) > 0 && policy.ForSystem().Stats.InboundDownlink {
statsManager := v.GetFeature(stats.ManagerType()).(stats.Manager)
name := "inbound>>>" + tag + ">>>traffic>>>downlink"
c, _ := stats.GetOrRegisterCounter(statsManager, name)
if c != nil {
downlinkCounter = c
}
}
return uplinkCounter, downlinkCounter
}
type AlwaysOnInboundHandler struct {
proxy proxy.Inbound
workers []worker
mux *mux.Server
tag string
}
func NewAlwaysOnInboundHandler(ctx context.Context, tag string, receiverConfig *proxyman.ReceiverConfig, proxyConfig interface{}) (*AlwaysOnInboundHandler, error) {
rawProxy, err := common.CreateObject(ctx, proxyConfig)
if err != nil {
return nil, err
}
p, ok := rawProxy.(proxy.Inbound)
if !ok {
return nil, newError("not an inbound proxy.")
}
h := &AlwaysOnInboundHandler{
proxy: p,
mux: mux.NewServer(ctx),
tag: tag,
}
uplinkCounter, downlinkCounter := getStatCounter(core.MustFromContext(ctx), tag)
nl := p.Network()
pr := receiverConfig.PortRange
address := receiverConfig.Listen.AsAddress()
if address == nil {
address = net.AnyIP
}
mss, err := internet.ToMemoryStreamConfig(receiverConfig.StreamSettings)
if err != nil {
return nil, newError("failed to parse stream config").Base(err).AtWarning()
}
if receiverConfig.ReceiveOriginalDestination {
if mss.SocketSettings == nil {
mss.SocketSettings = &internet.SocketConfig{}
}
if mss.SocketSettings.Tproxy == internet.SocketConfig_Off {
mss.SocketSettings.Tproxy = internet.SocketConfig_Redirect
}
mss.SocketSettings.ReceiveOriginalDestAddress = true
}
if pr == nil {
if net.HasNetwork(nl, net.Network_UNIX) {
newError("creating unix domain socket worker on ", address).AtDebug().WriteToLog()
worker := &dsWorker{
address: address,
proxy: p,
stream: mss,
tag: tag,
dispatcher: h.mux,
sniffingConfig: receiverConfig.GetEffectiveSniffingSettings(),
uplinkCounter: uplinkCounter,
downlinkCounter: downlinkCounter,
ctx: ctx,
}
h.workers = append(h.workers, worker)
}
}
if pr != nil {
for port := pr.From; port <= pr.To; port++ {
if net.HasNetwork(nl, net.Network_TCP) {
newError("creating stream worker on ", address, ":", port).AtDebug().WriteToLog()
worker := &tcpWorker{
address: address,
port: net.Port(port),
proxy: p,
stream: mss,
recvOrigDest: receiverConfig.ReceiveOriginalDestination,
tag: tag,
dispatcher: h.mux,
sniffingConfig: receiverConfig.GetEffectiveSniffingSettings(),
uplinkCounter: uplinkCounter,
downlinkCounter: downlinkCounter,
ctx: ctx,
}
h.workers = append(h.workers, worker)
}
if net.HasNetwork(nl, net.Network_UDP) {
worker := &udpWorker{
tag: tag,
proxy: p,
address: address,
port: net.Port(port),
dispatcher: h.mux,
uplinkCounter: uplinkCounter,
downlinkCounter: downlinkCounter,
stream: mss,
}
h.workers = append(h.workers, worker)
}
}
}
return h, nil
}
// Start implements common.Runnable.
func (h *AlwaysOnInboundHandler) Start() error {
for _, worker := range h.workers {
if err := worker.Start(); err != nil {
return err
}
}
return nil
}
// Close implements common.Closable.
func (h *AlwaysOnInboundHandler) Close() error {
var errs []error
for _, worker := range h.workers {
errs = append(errs, worker.Close())
}
errs = append(errs, h.mux.Close())
if err := errors.Combine(errs...); err != nil {
return newError("failed to close all resources").Base(err)
}
return nil
}
func (h *AlwaysOnInboundHandler) GetRandomInboundProxy() (interface{}, net.Port, int) {
if len(h.workers) == 0 {
return nil, 0, 0
}
w := h.workers[dice.Roll(len(h.workers))]
return w.Proxy(), w.Port(), 9999
}
func (h *AlwaysOnInboundHandler) Tag() string {
return h.tag
}
func (h *AlwaysOnInboundHandler) GetInbound() proxy.Inbound {
return h.proxy
}

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package inbound
import (
"context"
"sync"
"time"
"github.com/xtls/xray-core/v1/app/proxyman"
"github.com/xtls/xray-core/v1/common/dice"
"github.com/xtls/xray-core/v1/common/mux"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/task"
"github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/proxy"
"github.com/xtls/xray-core/v1/transport/internet"
)
type DynamicInboundHandler struct {
tag string
v *core.Instance
proxyConfig interface{}
receiverConfig *proxyman.ReceiverConfig
streamSettings *internet.MemoryStreamConfig
portMutex sync.Mutex
portsInUse map[net.Port]bool
workerMutex sync.RWMutex
worker []worker
lastRefresh time.Time
mux *mux.Server
task *task.Periodic
ctx context.Context
}
func NewDynamicInboundHandler(ctx context.Context, tag string, receiverConfig *proxyman.ReceiverConfig, proxyConfig interface{}) (*DynamicInboundHandler, error) {
v := core.MustFromContext(ctx)
h := &DynamicInboundHandler{
tag: tag,
proxyConfig: proxyConfig,
receiverConfig: receiverConfig,
portsInUse: make(map[net.Port]bool),
mux: mux.NewServer(ctx),
v: v,
ctx: ctx,
}
mss, err := internet.ToMemoryStreamConfig(receiverConfig.StreamSettings)
if err != nil {
return nil, newError("failed to parse stream settings").Base(err).AtWarning()
}
if receiverConfig.ReceiveOriginalDestination {
if mss.SocketSettings == nil {
mss.SocketSettings = &internet.SocketConfig{}
}
if mss.SocketSettings.Tproxy == internet.SocketConfig_Off {
mss.SocketSettings.Tproxy = internet.SocketConfig_Redirect
}
mss.SocketSettings.ReceiveOriginalDestAddress = true
}
h.streamSettings = mss
h.task = &task.Periodic{
Interval: time.Minute * time.Duration(h.receiverConfig.AllocationStrategy.GetRefreshValue()),
Execute: h.refresh,
}
return h, nil
}
func (h *DynamicInboundHandler) allocatePort() net.Port {
from := int(h.receiverConfig.PortRange.From)
delta := int(h.receiverConfig.PortRange.To) - from + 1
h.portMutex.Lock()
defer h.portMutex.Unlock()
for {
r := dice.Roll(delta)
port := net.Port(from + r)
_, used := h.portsInUse[port]
if !used {
h.portsInUse[port] = true
return port
}
}
}
func (h *DynamicInboundHandler) closeWorkers(workers []worker) {
ports2Del := make([]net.Port, len(workers))
for idx, worker := range workers {
ports2Del[idx] = worker.Port()
if err := worker.Close(); err != nil {
newError("failed to close worker").Base(err).WriteToLog()
}
}
h.portMutex.Lock()
for _, port := range ports2Del {
delete(h.portsInUse, port)
}
h.portMutex.Unlock()
}
func (h *DynamicInboundHandler) refresh() error {
h.lastRefresh = time.Now()
timeout := time.Minute * time.Duration(h.receiverConfig.AllocationStrategy.GetRefreshValue()) * 2
concurrency := h.receiverConfig.AllocationStrategy.GetConcurrencyValue()
workers := make([]worker, 0, concurrency)
address := h.receiverConfig.Listen.AsAddress()
if address == nil {
address = net.AnyIP
}
uplinkCounter, downlinkCounter := getStatCounter(h.v, h.tag)
for i := uint32(0); i < concurrency; i++ {
port := h.allocatePort()
rawProxy, err := core.CreateObject(h.v, h.proxyConfig)
if err != nil {
newError("failed to create proxy instance").Base(err).AtWarning().WriteToLog()
continue
}
p := rawProxy.(proxy.Inbound)
nl := p.Network()
if net.HasNetwork(nl, net.Network_TCP) {
worker := &tcpWorker{
tag: h.tag,
address: address,
port: port,
proxy: p,
stream: h.streamSettings,
recvOrigDest: h.receiverConfig.ReceiveOriginalDestination,
dispatcher: h.mux,
sniffingConfig: h.receiverConfig.GetEffectiveSniffingSettings(),
uplinkCounter: uplinkCounter,
downlinkCounter: downlinkCounter,
ctx: h.ctx,
}
if err := worker.Start(); err != nil {
newError("failed to create TCP worker").Base(err).AtWarning().WriteToLog()
continue
}
workers = append(workers, worker)
}
if net.HasNetwork(nl, net.Network_UDP) {
worker := &udpWorker{
tag: h.tag,
proxy: p,
address: address,
port: port,
dispatcher: h.mux,
uplinkCounter: uplinkCounter,
downlinkCounter: downlinkCounter,
stream: h.streamSettings,
}
if err := worker.Start(); err != nil {
newError("failed to create UDP worker").Base(err).AtWarning().WriteToLog()
continue
}
workers = append(workers, worker)
}
}
h.workerMutex.Lock()
h.worker = workers
h.workerMutex.Unlock()
time.AfterFunc(timeout, func() {
h.closeWorkers(workers)
})
return nil
}
func (h *DynamicInboundHandler) Start() error {
return h.task.Start()
}
func (h *DynamicInboundHandler) Close() error {
return h.task.Close()
}
func (h *DynamicInboundHandler) GetRandomInboundProxy() (interface{}, net.Port, int) {
h.workerMutex.RLock()
defer h.workerMutex.RUnlock()
if len(h.worker) == 0 {
return nil, 0, 0
}
w := h.worker[dice.Roll(len(h.worker))]
expire := h.receiverConfig.AllocationStrategy.GetRefreshValue() - uint32(time.Since(h.lastRefresh)/time.Minute)
return w.Proxy(), w.Port(), int(expire)
}
func (h *DynamicInboundHandler) Tag() string {
return h.tag
}

9
app/proxyman/inbound/errors.generated.go Normal file
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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{})
}

178
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package inbound
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"context"
"sync"
"github.com/xtls/xray-core/v1/app/proxyman"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/serial"
"github.com/xtls/xray-core/v1/common/session"
"github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/features/inbound"
)
// Manager is to manage all inbound handlers.
type Manager struct {
access sync.RWMutex
untaggedHandler []inbound.Handler
taggedHandlers map[string]inbound.Handler
running bool
}
// New returns a new Manager for inbound handlers.
func New(ctx context.Context, config *proxyman.InboundConfig) (*Manager, error) {
m := &Manager{
taggedHandlers: make(map[string]inbound.Handler),
}
return m, nil
}
// Type implements common.HasType.
func (*Manager) Type() interface{} {
return inbound.ManagerType()
}
// AddHandler implements inbound.Manager.
func (m *Manager) AddHandler(ctx context.Context, handler inbound.Handler) error {
m.access.Lock()
defer m.access.Unlock()
tag := handler.Tag()
if len(tag) > 0 {
m.taggedHandlers[tag] = handler
} else {
m.untaggedHandler = append(m.untaggedHandler, handler)
}
if m.running {
return handler.Start()
}
return nil
}
// GetHandler implements inbound.Manager.
func (m *Manager) GetHandler(ctx context.Context, tag string) (inbound.Handler, error) {
m.access.RLock()
defer m.access.RUnlock()
handler, found := m.taggedHandlers[tag]
if !found {
return nil, newError("handler not found: ", tag)
}
return handler, nil
}
// RemoveHandler implements inbound.Manager.
func (m *Manager) RemoveHandler(ctx context.Context, tag string) error {
if tag == "" {
return common.ErrNoClue
}
m.access.Lock()
defer m.access.Unlock()
if handler, found := m.taggedHandlers[tag]; found {
if err := handler.Close(); err != nil {
newError("failed to close handler ", tag).Base(err).AtWarning().WriteToLog(session.ExportIDToError(ctx))
}
delete(m.taggedHandlers, tag)
return nil
}
return common.ErrNoClue
}
// Start implements common.Runnable.
func (m *Manager) Start() error {
m.access.Lock()
defer m.access.Unlock()
m.running = true
for _, handler := range m.taggedHandlers {
if err := handler.Start(); err != nil {
return err
}
}
for _, handler := range m.untaggedHandler {
if err := handler.Start(); err != nil {
return err
}
}
return nil
}
// Close implements common.Closable.
func (m *Manager) Close() error {
m.access.Lock()
defer m.access.Unlock()
m.running = false
var errors []interface{}
for _, handler := range m.taggedHandlers {
if err := handler.Close(); err != nil {
errors = append(errors, err)
}
}
for _, handler := range m.untaggedHandler {
if err := handler.Close(); err != nil {
errors = append(errors, err)
}
}
if len(errors) > 0 {
return newError("failed to close all handlers").Base(newError(serial.Concat(errors...)))
}
return nil
}
// NewHandler creates a new inbound.Handler based on the given config.
func NewHandler(ctx context.Context, config *core.InboundHandlerConfig) (inbound.Handler, error) {
rawReceiverSettings, err := config.ReceiverSettings.GetInstance()
if err != nil {
return nil, err
}
proxySettings, err := config.ProxySettings.GetInstance()
if err != nil {
return nil, err
}
tag := config.Tag
receiverSettings, ok := rawReceiverSettings.(*proxyman.ReceiverConfig)
if !ok {
return nil, newError("not a ReceiverConfig").AtError()
}
streamSettings := receiverSettings.StreamSettings
if streamSettings != nil && streamSettings.SocketSettings != nil {
ctx = session.ContextWithSockopt(ctx, &session.Sockopt{
Mark: streamSettings.SocketSettings.Mark,
})
}
allocStrategy := receiverSettings.AllocationStrategy
if allocStrategy == nil || allocStrategy.Type == proxyman.AllocationStrategy_Always {
return NewAlwaysOnInboundHandler(ctx, tag, receiverSettings, proxySettings)
}
if allocStrategy.Type == proxyman.AllocationStrategy_Random {
return NewDynamicInboundHandler(ctx, tag, receiverSettings, proxySettings)
}
return nil, newError("unknown allocation strategy: ", receiverSettings.AllocationStrategy.Type).AtError()
}
func init() {
common.Must(common.RegisterConfig((*proxyman.InboundConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return New(ctx, config.(*proxyman.InboundConfig))
}))
common.Must(common.RegisterConfig((*core.InboundHandlerConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return NewHandler(ctx, config.(*core.InboundHandlerConfig))
}))
}

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package inbound
import (
"context"
"sync"
"sync/atomic"
"time"
"github.com/xtls/xray-core/v1/app/proxyman"
"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/serial"
"github.com/xtls/xray-core/v1/common/session"
"github.com/xtls/xray-core/v1/common/signal/done"
"github.com/xtls/xray-core/v1/common/task"
"github.com/xtls/xray-core/v1/features/routing"
"github.com/xtls/xray-core/v1/features/stats"
"github.com/xtls/xray-core/v1/proxy"
"github.com/xtls/xray-core/v1/transport/internet"
"github.com/xtls/xray-core/v1/transport/internet/tcp"
"github.com/xtls/xray-core/v1/transport/internet/udp"
"github.com/xtls/xray-core/v1/transport/pipe"
)
type worker interface {
Start() error
Close() error
Port() net.Port
Proxy() proxy.Inbound
}
type tcpWorker struct {
address net.Address
port net.Port
proxy proxy.Inbound
stream *internet.MemoryStreamConfig
recvOrigDest bool
tag string
dispatcher routing.Dispatcher
sniffingConfig *proxyman.SniffingConfig
uplinkCounter stats.Counter
downlinkCounter stats.Counter
hub internet.Listener
ctx context.Context
}
func getTProxyType(s *internet.MemoryStreamConfig) internet.SocketConfig_TProxyMode {
if s == nil || s.SocketSettings == nil {
return internet.SocketConfig_Off
}
return s.SocketSettings.Tproxy
}
func (w *tcpWorker) callback(conn internet.Connection) {
ctx, cancel := context.WithCancel(w.ctx)
sid := session.NewID()
ctx = session.ContextWithID(ctx, sid)
if w.recvOrigDest {
var dest net.Destination
switch getTProxyType(w.stream) {
case internet.SocketConfig_Redirect:
d, err := tcp.GetOriginalDestination(conn)
if err != nil {
newError("failed to get original destination").Base(err).WriteToLog(session.ExportIDToError(ctx))
} else {
dest = d
}
case internet.SocketConfig_TProxy:
dest = net.DestinationFromAddr(conn.LocalAddr())
}
if dest.IsValid() {
ctx = session.ContextWithOutbound(ctx, &session.Outbound{
Target: dest,
})
}
}
ctx = session.ContextWithInbound(ctx, &session.Inbound{
Source: net.DestinationFromAddr(conn.RemoteAddr()),
Gateway: net.TCPDestination(w.address, w.port),
Tag: w.tag,
})
content := new(session.Content)
if w.sniffingConfig != nil {
content.SniffingRequest.Enabled = w.sniffingConfig.Enabled
content.SniffingRequest.OverrideDestinationForProtocol = w.sniffingConfig.DestinationOverride
}
ctx = session.ContextWithContent(ctx, content)
if w.uplinkCounter != nil || w.downlinkCounter != nil {
conn = &internet.StatCouterConnection{
Connection: conn,
ReadCounter: w.uplinkCounter,
WriteCounter: w.downlinkCounter,
}
}
if err := w.proxy.Process(ctx, net.Network_TCP, conn, w.dispatcher); err != nil {
newError("connection ends").Base(err).WriteToLog(session.ExportIDToError(ctx))
}
cancel()
if err := conn.Close(); err != nil {
newError("failed to close connection").Base(err).WriteToLog(session.ExportIDToError(ctx))
}
}
func (w *tcpWorker) Proxy() proxy.Inbound {
return w.proxy
}
func (w *tcpWorker) Start() error {
ctx := context.Background()
hub, err := internet.ListenTCP(ctx, w.address, w.port, w.stream, func(conn internet.Connection) {
go w.callback(conn)
})
if err != nil {
return newError("failed to listen TCP on ", w.port).AtWarning().Base(err)
}
w.hub = hub
return nil
}
func (w *tcpWorker) Close() error {
var errors []interface{}
if w.hub != nil {
if err := common.Close(w.hub); err != nil {
errors = append(errors, err)
}
if err := common.Close(w.proxy); err != nil {
errors = append(errors, err)
}
}
if len(errors) > 0 {
return newError("failed to close all resources").Base(newError(serial.Concat(errors...)))
}
return nil
}
func (w *tcpWorker) Port() net.Port {
return w.port
}
type udpConn struct {
lastActivityTime int64 // in seconds
reader buf.Reader
writer buf.Writer
output func([]byte) (int, error)
remote net.Addr
local net.Addr
done *done.Instance
uplink stats.Counter
downlink stats.Counter
}
func (c *udpConn) updateActivity() {
atomic.StoreInt64(&c.lastActivityTime, time.Now().Unix())
}
// ReadMultiBuffer implements buf.Reader
func (c *udpConn) ReadMultiBuffer() (buf.MultiBuffer, error) {
mb, err := c.reader.ReadMultiBuffer()
if err != nil {
return nil, err
}
c.updateActivity()
if c.uplink != nil {
c.uplink.Add(int64(mb.Len()))
}
return mb, nil
}
func (c *udpConn) Read(buf []byte) (int, error) {
panic("not implemented")
}
// Write implements io.Writer.
func (c *udpConn) Write(buf []byte) (int, error) {
n, err := c.output(buf)
if c.downlink != nil {
c.downlink.Add(int64(n))
}
if err == nil {
c.updateActivity()
}
return n, err
}
func (c *udpConn) Close() error {
common.Must(c.done.Close())
common.Must(common.Close(c.writer))
return nil
}
func (c *udpConn) RemoteAddr() net.Addr {
return c.remote
}
func (c *udpConn) LocalAddr() net.Addr {
return c.local
}
func (*udpConn) SetDeadline(time.Time) error {
return nil
}
func (*udpConn) SetReadDeadline(time.Time) error {
return nil
}
func (*udpConn) SetWriteDeadline(time.Time) error {
return nil
}
type connID struct {
src net.Destination
dest net.Destination
}
type udpWorker struct {
sync.RWMutex
proxy proxy.Inbound
hub *udp.Hub
address net.Address
port net.Port
tag string
stream *internet.MemoryStreamConfig
dispatcher routing.Dispatcher
uplinkCounter stats.Counter
downlinkCounter stats.Counter
checker *task.Periodic
activeConn map[connID]*udpConn
}
func (w *udpWorker) getConnection(id connID) (*udpConn, bool) {
w.Lock()
defer w.Unlock()
if conn, found := w.activeConn[id]; found && !conn.done.Done() {
return conn, true
}
pReader, pWriter := pipe.New(pipe.DiscardOverflow(), pipe.WithSizeLimit(16*1024))
conn := &udpConn{
reader: pReader,
writer: pWriter,
output: func(b []byte) (int, error) {
return w.hub.WriteTo(b, id.src)
},
remote: &net.UDPAddr{
IP: id.src.Address.IP(),
Port: int(id.src.Port),
},
local: &net.UDPAddr{
IP: w.address.IP(),
Port: int(w.port),
},
done: done.New(),
uplink: w.uplinkCounter,
downlink: w.downlinkCounter,
}
w.activeConn[id] = conn
conn.updateActivity()
return conn, false
}
func (w *udpWorker) callback(b *buf.Buffer, source net.Destination, originalDest net.Destination) {
id := connID{
src: source,
}
if originalDest.IsValid() {
id.dest = originalDest
}
conn, existing := w.getConnection(id)
// payload will be discarded in pipe is full.
conn.writer.WriteMultiBuffer(buf.MultiBuffer{b})
if !existing {
common.Must(w.checker.Start())
go func() {
ctx := context.Background()
sid := session.NewID()
ctx = session.ContextWithID(ctx, sid)
if originalDest.IsValid() {
ctx = session.ContextWithOutbound(ctx, &session.Outbound{
Target: originalDest,
})
}
ctx = session.ContextWithInbound(ctx, &session.Inbound{
Source: source,
Gateway: net.UDPDestination(w.address, w.port),
Tag: w.tag,
})
if err := w.proxy.Process(ctx, net.Network_UDP, conn, w.dispatcher); err != nil {
newError("connection ends").Base(err).WriteToLog(session.ExportIDToError(ctx))
}
conn.Close()
w.removeConn(id)
}()
}
}
func (w *udpWorker) removeConn(id connID) {
w.Lock()
delete(w.activeConn, id)
w.Unlock()
}
func (w *udpWorker) handlePackets() {
receive := w.hub.Receive()
for payload := range receive {
w.callback(payload.Payload, payload.Source, payload.Target)
}
}
func (w *udpWorker) clean() error {
nowSec := time.Now().Unix()
w.Lock()
defer w.Unlock()
if len(w.activeConn) == 0 {
return newError("no more connections. stopping...")
}
for addr, conn := range w.activeConn {
if nowSec-atomic.LoadInt64(&conn.lastActivityTime) > 8 { // TODO Timeout too small
delete(w.activeConn, addr)
conn.Close()
}
}
if len(w.activeConn) == 0 {
w.activeConn = make(map[connID]*udpConn, 16)
}
return nil
}
func (w *udpWorker) Start() error {
w.activeConn = make(map[connID]*udpConn, 16)
ctx := context.Background()
h, err := udp.ListenUDP(ctx, w.address, w.port, w.stream, udp.HubCapacity(256))
if err != nil {
return err
}
w.checker = &task.Periodic{
Interval: time.Second * 16,
Execute: w.clean,
}
w.hub = h
go w.handlePackets()
return nil
}
func (w *udpWorker) Close() error {
w.Lock()
defer w.Unlock()
var errors []interface{}
if w.hub != nil {
if err := w.hub.Close(); err != nil {
errors = append(errors, err)
}
}
if w.checker != nil {
if err := w.checker.Close(); err != nil {
errors = append(errors, err)
}
}
if err := common.Close(w.proxy); err != nil {
errors = append(errors, err)
}
if len(errors) > 0 {
return newError("failed to close all resources").Base(newError(serial.Concat(errors...)))
}
return nil
}
func (w *udpWorker) Port() net.Port {
return w.port
}
func (w *udpWorker) Proxy() proxy.Inbound {
return w.proxy
}
type dsWorker struct {
address net.Address
proxy proxy.Inbound
stream *internet.MemoryStreamConfig
tag string
dispatcher routing.Dispatcher
sniffingConfig *proxyman.SniffingConfig
uplinkCounter stats.Counter
downlinkCounter stats.Counter
hub internet.Listener
ctx context.Context
}
func (w *dsWorker) callback(conn internet.Connection) {
ctx, cancel := context.WithCancel(w.ctx)
sid := session.NewID()
ctx = session.ContextWithID(ctx, sid)
ctx = session.ContextWithInbound(ctx, &session.Inbound{
Source: net.DestinationFromAddr(conn.RemoteAddr()),
Gateway: net.UnixDestination(w.address),
Tag: w.tag,
})
content := new(session.Content)
if w.sniffingConfig != nil {
content.SniffingRequest.Enabled = w.sniffingConfig.Enabled
content.SniffingRequest.OverrideDestinationForProtocol = w.sniffingConfig.DestinationOverride
}
ctx = session.ContextWithContent(ctx, content)
if w.uplinkCounter != nil || w.downlinkCounter != nil {
conn = &internet.StatCouterConnection{
Connection: conn,
ReadCounter: w.uplinkCounter,
WriteCounter: w.downlinkCounter,
}
}
if err := w.proxy.Process(ctx, net.Network_UNIX, conn, w.dispatcher); err != nil {
newError("connection ends").Base(err).WriteToLog(session.ExportIDToError(ctx))
}
cancel()
if err := conn.Close(); err != nil {
newError("failed to close connection").Base(err).WriteToLog(session.ExportIDToError(ctx))
}
}
func (w *dsWorker) Proxy() proxy.Inbound {
return w.proxy
}
func (w *dsWorker) Port() net.Port {
return net.Port(0)
}
func (w *dsWorker) Start() error {
ctx := context.Background()
hub, err := internet.ListenUnix(ctx, w.address, w.stream, func(conn internet.Connection) {
go w.callback(conn)
})
if err != nil {
return newError("failed to listen Unix Domain Socket on ", w.address).AtWarning().Base(err)
}
w.hub = hub
return nil
}
func (w *dsWorker) Close() error {
var errors []interface{}
if w.hub != nil {
if err := common.Close(w.hub); err != nil {
errors = append(errors, err)
}
if err := common.Close(w.proxy); err != nil {
errors = append(errors, err)
}
}
if len(errors) > 0 {
return newError("failed to close all resources").Base(newError(serial.Concat(errors...)))
}
return nil
}

9
app/proxyman/outbound/errors.generated.go Normal file
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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{})
}

228
app/proxyman/outbound/handler.go Normal file
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package outbound
import (
"context"
"github.com/xtls/xray-core/v1/app/proxyman"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/mux"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/session"
"github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/features/outbound"
"github.com/xtls/xray-core/v1/features/policy"
"github.com/xtls/xray-core/v1/features/stats"
"github.com/xtls/xray-core/v1/proxy"
"github.com/xtls/xray-core/v1/transport"
"github.com/xtls/xray-core/v1/transport/internet"
"github.com/xtls/xray-core/v1/transport/internet/tls"
"github.com/xtls/xray-core/v1/transport/pipe"
)
func getStatCounter(v *core.Instance, tag string) (stats.Counter, stats.Counter) {
var uplinkCounter stats.Counter
var downlinkCounter stats.Counter
policy := v.GetFeature(policy.ManagerType()).(policy.Manager)
if len(tag) > 0 && policy.ForSystem().Stats.OutboundUplink {
statsManager := v.GetFeature(stats.ManagerType()).(stats.Manager)
name := "outbound>>>" + tag + ">>>traffic>>>uplink"
c, _ := stats.GetOrRegisterCounter(statsManager, name)
if c != nil {
uplinkCounter = c
}
}
if len(tag) > 0 && policy.ForSystem().Stats.OutboundDownlink {
statsManager := v.GetFeature(stats.ManagerType()).(stats.Manager)
name := "outbound>>>" + tag + ">>>traffic>>>downlink"
c, _ := stats.GetOrRegisterCounter(statsManager, name)
if c != nil {
downlinkCounter = c
}
}
return uplinkCounter, downlinkCounter
}
// Handler is an implements of outbound.Handler.
type Handler struct {
tag string
senderSettings *proxyman.SenderConfig
streamSettings *internet.MemoryStreamConfig
proxy proxy.Outbound
outboundManager outbound.Manager
mux *mux.ClientManager
uplinkCounter stats.Counter
downlinkCounter stats.Counter
}
// NewHandler create a new Handler based on the given configuration.
func NewHandler(ctx context.Context, config *core.OutboundHandlerConfig) (outbound.Handler, error) {
v := core.MustFromContext(ctx)
uplinkCounter, downlinkCounter := getStatCounter(v, config.Tag)
h := &Handler{
tag: config.Tag,
outboundManager: v.GetFeature(outbound.ManagerType()).(outbound.Manager),
uplinkCounter: uplinkCounter,
downlinkCounter: downlinkCounter,
}
if config.SenderSettings != nil {
senderSettings, err := config.SenderSettings.GetInstance()
if err != nil {
return nil, err
}
switch s := senderSettings.(type) {
case *proxyman.SenderConfig:
h.senderSettings = s
mss, err := internet.ToMemoryStreamConfig(s.StreamSettings)
if err != nil {
return nil, newError("failed to parse stream settings").Base(err).AtWarning()
}
h.streamSettings = mss
default:
return nil, newError("settings is not SenderConfig")
}
}
proxyConfig, err := config.ProxySettings.GetInstance()
if err != nil {
return nil, err
}
rawProxyHandler, err := common.CreateObject(ctx, proxyConfig)
if err != nil {
return nil, err
}
proxyHandler, ok := rawProxyHandler.(proxy.Outbound)
if !ok {
return nil, newError("not an outbound handler")
}
if h.senderSettings != nil && h.senderSettings.MultiplexSettings != nil {
config := h.senderSettings.MultiplexSettings
if config.Concurrency < 1 || config.Concurrency > 1024 {
return nil, newError("invalid mux concurrency: ", config.Concurrency).AtWarning()
}
h.mux = &mux.ClientManager{
Enabled: h.senderSettings.MultiplexSettings.Enabled,
Picker: &mux.IncrementalWorkerPicker{
Factory: &mux.DialingWorkerFactory{
Proxy: proxyHandler,
Dialer: h,
Strategy: mux.ClientStrategy{
MaxConcurrency: config.Concurrency,
MaxConnection: 128,
},
},
},
}
}
h.proxy = proxyHandler
return h, nil
}
// Tag implements outbound.Handler.
func (h *Handler) Tag() string {
return h.tag
}
// Dispatch implements proxy.Outbound.Dispatch.
func (h *Handler) Dispatch(ctx context.Context, link *transport.Link) {
if h.mux != nil && (h.mux.Enabled || session.MuxPreferedFromContext(ctx)) {
if err := h.mux.Dispatch(ctx, link); err != nil {
newError("failed to process mux outbound traffic").Base(err).WriteToLog(session.ExportIDToError(ctx))
common.Interrupt(link.Writer)
}
} else {
if err := h.proxy.Process(ctx, link, h); err != nil {
// Ensure outbound ray is properly closed.
newError("failed to process outbound traffic").Base(err).WriteToLog(session.ExportIDToError(ctx))
common.Interrupt(link.Writer)
} else {
common.Must(common.Close(link.Writer))
}
common.Interrupt(link.Reader)
}
}
// Address implements internet.Dialer.
func (h *Handler) Address() net.Address {
if h.senderSettings == nil || h.senderSettings.Via == nil {
return nil
}
return h.senderSettings.Via.AsAddress()
}
// Dial implements internet.Dialer.
func (h *Handler) Dial(ctx context.Context, dest net.Destination) (internet.Connection, error) {
if h.senderSettings != nil {
if h.senderSettings.ProxySettings.HasTag() {
tag := h.senderSettings.ProxySettings.Tag
handler := h.outboundManager.GetHandler(tag)
if handler != nil {
newError("proxying to ", tag, " for dest ", dest).AtDebug().WriteToLog(session.ExportIDToError(ctx))
ctx = session.ContextWithOutbound(ctx, &session.Outbound{
Target: dest,
})
opts := pipe.OptionsFromContext(ctx)
uplinkReader, uplinkWriter := pipe.New(opts...)
downlinkReader, downlinkWriter := pipe.New(opts...)
go handler.Dispatch(ctx, &transport.Link{Reader: uplinkReader, Writer: downlinkWriter})
conn := net.NewConnection(net.ConnectionInputMulti(uplinkWriter), net.ConnectionOutputMulti(downlinkReader))
if config := tls.ConfigFromStreamSettings(h.streamSettings); config != nil {
tlsConfig := config.GetTLSConfig(tls.WithDestination(dest))
conn = tls.Client(conn, tlsConfig)
}
return h.getStatCouterConnection(conn), nil
}
newError("failed to get outbound handler with tag: ", tag).AtWarning().WriteToLog(session.ExportIDToError(ctx))
}
if h.senderSettings.Via != nil {
outbound := session.OutboundFromContext(ctx)
if outbound == nil {
outbound = new(session.Outbound)
ctx = session.ContextWithOutbound(ctx, outbound)
}
outbound.Gateway = h.senderSettings.Via.AsAddress()
}
}
conn, err := internet.Dial(ctx, dest, h.streamSettings)
return h.getStatCouterConnection(conn), err
}
func (h *Handler) getStatCouterConnection(conn internet.Connection) internet.Connection {
if h.uplinkCounter != nil || h.downlinkCounter != nil {
return &internet.StatCouterConnection{
Connection: conn,
ReadCounter: h.downlinkCounter,
WriteCounter: h.uplinkCounter,
}
}
return conn
}
// GetOutbound implements proxy.GetOutbound.
func (h *Handler) GetOutbound() proxy.Outbound {
return h.proxy
}
// Start implements common.Runnable.
func (h *Handler) Start() error {
return nil
}
// Close implements common.Closable.
func (h *Handler) Close() error {
common.Close(h.mux)
return nil
}

80
app/proxyman/outbound/handler_test.go Normal file
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package outbound_test
import (
"context"
"testing"
"github.com/xtls/xray-core/v1/app/policy"
. "github.com/xtls/xray-core/v1/app/proxyman/outbound"
"github.com/xtls/xray-core/v1/app/stats"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/serial"
core "github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/features/outbound"
"github.com/xtls/xray-core/v1/proxy/freedom"
"github.com/xtls/xray-core/v1/transport/internet"
)
func TestInterfaces(t *testing.T) {
_ = (outbound.Handler)(new(Handler))
_ = (outbound.Manager)(new(Manager))
}
const xrayKey core.XrayKey = 1
func TestOutboundWithoutStatCounter(t *testing.T) {
config := &core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&stats.Config{}),
serial.ToTypedMessage(&policy.Config{
System: &policy.SystemPolicy{
Stats: &policy.SystemPolicy_Stats{
InboundUplink: true,
},
},
}),
},
}
v, _ := core.New(config)
v.AddFeature((outbound.Manager)(new(Manager)))
ctx := context.WithValue(context.Background(), xrayKey, v)
h, _ := NewHandler(ctx, &core.OutboundHandlerConfig{
Tag: "tag",
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
})
conn, _ := h.(*Handler).Dial(ctx, net.TCPDestination(net.DomainAddress("localhost"), 13146))
_, ok := conn.(*internet.StatCouterConnection)
if ok {
t.Errorf("Expected conn to not be StatCouterConnection")
}
}
func TestOutboundWithStatCounter(t *testing.T) {
config := &core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&stats.Config{}),
serial.ToTypedMessage(&policy.Config{
System: &policy.SystemPolicy{
Stats: &policy.SystemPolicy_Stats{
OutboundUplink: true,
OutboundDownlink: true,
},
},
}),
},
}
v, _ := core.New(config)
v.AddFeature((outbound.Manager)(new(Manager)))
ctx := context.WithValue(context.Background(), xrayKey, v)
h, _ := NewHandler(ctx, &core.OutboundHandlerConfig{
Tag: "tag",
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
})
conn, _ := h.(*Handler).Dial(ctx, net.TCPDestination(net.DomainAddress("localhost"), 13146))
_, ok := conn.(*internet.StatCouterConnection)
if !ok {
t.Errorf("Expected conn to be StatCouterConnection")
}
}

170
app/proxyman/outbound/outbound.go Normal file
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package outbound
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"context"
"strings"
"sync"
"github.com/xtls/xray-core/v1/app/proxyman"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/errors"
"github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/features/outbound"
)
// Manager is to manage all outbound handlers.
type Manager struct {
access sync.RWMutex
defaultHandler outbound.Handler
taggedHandler map[string]outbound.Handler
untaggedHandlers []outbound.Handler
running bool
}
// New creates a new Manager.
func New(ctx context.Context, config *proxyman.OutboundConfig) (*Manager, error) {
m := &Manager{
taggedHandler: make(map[string]outbound.Handler),
}
return m, nil
}
// Type implements common.HasType.
func (m *Manager) Type() interface{} {
return outbound.ManagerType()
}
// Start implements core.Feature
func (m *Manager) Start() error {
m.access.Lock()
defer m.access.Unlock()
m.running = true
for _, h := range m.taggedHandler {
if err := h.Start(); err != nil {
return err
}
}
for _, h := range m.untaggedHandlers {
if err := h.Start(); err != nil {
return err
}
}
return nil
}
// Close implements core.Feature
func (m *Manager) Close() error {
m.access.Lock()
defer m.access.Unlock()
m.running = false
var errs []error
for _, h := range m.taggedHandler {
errs = append(errs, h.Close())
}
for _, h := range m.untaggedHandlers {
errs = append(errs, h.Close())
}
return errors.Combine(errs...)
}
// GetDefaultHandler implements outbound.Manager.
func (m *Manager) GetDefaultHandler() outbound.Handler {
m.access.RLock()
defer m.access.RUnlock()
if m.defaultHandler == nil {
return nil
}
return m.defaultHandler
}
// GetHandler implements outbound.Manager.
func (m *Manager) GetHandler(tag string) outbound.Handler {
m.access.RLock()
defer m.access.RUnlock()
if handler, found := m.taggedHandler[tag]; found {
return handler
}
return nil
}
// AddHandler implements outbound.Manager.
func (m *Manager) AddHandler(ctx context.Context, handler outbound.Handler) error {
m.access.Lock()
defer m.access.Unlock()
if m.defaultHandler == nil {
m.defaultHandler = handler
}
tag := handler.Tag()
if len(tag) > 0 {
m.taggedHandler[tag] = handler
} else {
m.untaggedHandlers = append(m.untaggedHandlers, handler)
}
if m.running {
return handler.Start()
}
return nil
}
// RemoveHandler implements outbound.Manager.
func (m *Manager) RemoveHandler(ctx context.Context, tag string) error {
if tag == "" {
return common.ErrNoClue
}
m.access.Lock()
defer m.access.Unlock()
delete(m.taggedHandler, tag)
if m.defaultHandler != nil && m.defaultHandler.Tag() == tag {
m.defaultHandler = nil
}
return nil
}
// Select implements outbound.HandlerSelector.
func (m *Manager) Select(selectors []string) []string {
m.access.RLock()
defer m.access.RUnlock()
tags := make([]string, 0, len(selectors))
for tag := range m.taggedHandler {
match := false
for _, selector := range selectors {
if strings.HasPrefix(tag, selector) {
match = true
break
}
}
if match {
tags = append(tags, tag)
}
}
return tags
}
func init() {
common.Must(common.RegisterConfig((*proxyman.OutboundConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return New(ctx, config.(*proxyman.OutboundConfig))
}))
common.Must(common.RegisterConfig((*core.OutboundHandlerConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return NewHandler(ctx, config.(*core.OutboundHandlerConfig))
}))
}

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app/reverse/bridge.go Normal file
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// +build !confonly
package reverse
import (
"context"
"time"
"github.com/golang/protobuf/proto"
"github.com/xtls/xray-core/v1/common/mux"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/session"
"github.com/xtls/xray-core/v1/common/task"
"github.com/xtls/xray-core/v1/features/routing"
"github.com/xtls/xray-core/v1/transport"
"github.com/xtls/xray-core/v1/transport/pipe"
)
// Bridge is a component in reverse proxy, that relays connections from Portal to local address.
type Bridge struct {
dispatcher routing.Dispatcher
tag string
domain string
workers []*BridgeWorker
monitorTask *task.Periodic
}
// NewBridge creates a new Bridge instance.
func NewBridge(config *BridgeConfig, dispatcher routing.Dispatcher) (*Bridge, error) {
if config.Tag == "" {
return nil, newError("bridge tag is empty")
}
if config.Domain == "" {
return nil, newError("bridge domain is empty")
}
b := &Bridge{
dispatcher: dispatcher,
tag: config.Tag,
domain: config.Domain,
}
b.monitorTask = &task.Periodic{
Execute: b.monitor,
Interval: time.Second * 2,
}
return b, nil
}
func (b *Bridge) cleanup() {
var activeWorkers []*BridgeWorker
for _, w := range b.workers {
if w.IsActive() {
activeWorkers = append(activeWorkers, w)
}
}
if len(activeWorkers) != len(b.workers) {
b.workers = activeWorkers
}
}
func (b *Bridge) monitor() error {
b.cleanup()
var numConnections uint32
var numWorker uint32
for _, w := range b.workers {
if w.IsActive() {
numConnections += w.Connections()
numWorker++
}
}
if numWorker == 0 || numConnections/numWorker > 16 {
worker, err := NewBridgeWorker(b.domain, b.tag, b.dispatcher)
if err != nil {
newError("failed to create bridge worker").Base(err).AtWarning().WriteToLog()
return nil
}
b.workers = append(b.workers, worker)
}
return nil
}
func (b *Bridge) Start() error {
return b.monitorTask.Start()
}
func (b *Bridge) Close() error {
return b.monitorTask.Close()
}
type BridgeWorker struct {
tag string
worker *mux.ServerWorker
dispatcher routing.Dispatcher
state Control_State
}
func NewBridgeWorker(domain string, tag string, d routing.Dispatcher) (*BridgeWorker, error) {
ctx := context.Background()
ctx = session.ContextWithInbound(ctx, &session.Inbound{
Tag: tag,
})
link, err := d.Dispatch(ctx, net.Destination{
Network: net.Network_TCP,
Address: net.DomainAddress(domain),
Port: 0,
})
if err != nil {
return nil, err
}
w := &BridgeWorker{
dispatcher: d,
tag: tag,
}
worker, err := mux.NewServerWorker(context.Background(), w, link)
if err != nil {
return nil, err
}
w.worker = worker
return w, nil
}
func (w *BridgeWorker) Type() interface{} {
return routing.DispatcherType()
}
func (w *BridgeWorker) Start() error {
return nil
}
func (w *BridgeWorker) Close() error {
return nil
}
func (w *BridgeWorker) IsActive() bool {
return w.state == Control_ACTIVE && !w.worker.Closed()
}
func (w *BridgeWorker) Connections() uint32 {
return w.worker.ActiveConnections()
}
func (w *BridgeWorker) handleInternalConn(link transport.Link) {
go func() {
reader := link.Reader
for {
mb, err := reader.ReadMultiBuffer()
if err != nil {
break
}
for _, b := range mb {
var ctl Control
if err := proto.Unmarshal(b.Bytes(), &ctl); err != nil {
newError("failed to parse proto message").Base(err).WriteToLog()
break
}
if ctl.State != w.state {
w.state = ctl.State
}
}
}
}()
}
func (w *BridgeWorker) Dispatch(ctx context.Context, dest net.Destination) (*transport.Link, error) {
if !isInternalDomain(dest) {
ctx = session.ContextWithInbound(ctx, &session.Inbound{
Tag: w.tag,
})
return w.dispatcher.Dispatch(ctx, dest)
}
opt := []pipe.Option{pipe.WithSizeLimit(16 * 1024)}
uplinkReader, uplinkWriter := pipe.New(opt...)
downlinkReader, downlinkWriter := pipe.New(opt...)
w.handleInternalConn(transport.Link{
Reader: downlinkReader,
Writer: uplinkWriter,
})
return &transport.Link{
Reader: uplinkReader,
Writer: downlinkWriter,
}, nil
}

16
app/reverse/config.go Normal file
View file

@ -0,0 +1,16 @@
// +build !confonly
package reverse
import (
"crypto/rand"
"io"
"github.com/xtls/xray-core/v1/common/dice"
)
func (c *Control) FillInRandom() {
randomLength := dice.Roll(64)
c.Random = make([]byte, randomLength)
io.ReadFull(rand.Reader, c.Random)
}

439
app/reverse/config.pb.go Normal file
View file

@ -0,0 +1,439 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.14.0
// source: app/reverse/config.proto
package reverse
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 Control_State int32
const (
Control_ACTIVE Control_State = 0
Control_DRAIN Control_State = 1
)
// Enum value maps for Control_State.
var (
Control_State_name = map[int32]string{
0: "ACTIVE",
1: "DRAIN",
}
Control_State_value = map[string]int32{
"ACTIVE": 0,
"DRAIN": 1,
}
)
func (x Control_State) Enum() *Control_State {
p := new(Control_State)
*p = x
return p
}
func (x Control_State) String() string {
return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
}
func (Control_State) Descriptor() protoreflect.EnumDescriptor {
return file_app_reverse_config_proto_enumTypes[0].Descriptor()
}
func (Control_State) Type() protoreflect.EnumType {
return &file_app_reverse_config_proto_enumTypes[0]
}
func (x Control_State) Number() protoreflect.EnumNumber {
return protoreflect.EnumNumber(x)
}
// Deprecated: Use Control_State.Descriptor instead.
func (Control_State) EnumDescriptor() ([]byte, []int) {
return file_app_reverse_config_proto_rawDescGZIP(), []int{0, 0}
}
type Control struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
State Control_State `protobuf:"varint,1,opt,name=state,proto3,enum=xray.app.reverse.Control_State" json:"state,omitempty"`
Random []byte `protobuf:"bytes,99,opt,name=random,proto3" json:"random,omitempty"`
}
func (x *Control) Reset() {
*x = Control{}
if protoimpl.UnsafeEnabled {
mi := &file_app_reverse_config_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Control) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Control) ProtoMessage() {}
func (x *Control) ProtoReflect() protoreflect.Message {
mi := &file_app_reverse_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 Control.ProtoReflect.Descriptor instead.
func (*Control) Descriptor() ([]byte, []int) {
return file_app_reverse_config_proto_rawDescGZIP(), []int{0}
}
func (x *Control) GetState() Control_State {
if x != nil {
return x.State
}
return Control_ACTIVE
}
func (x *Control) GetRandom() []byte {
if x != nil {
return x.Random
}
return nil
}
type BridgeConfig struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Tag string `protobuf:"bytes,1,opt,name=tag,proto3" json:"tag,omitempty"`
Domain string `protobuf:"bytes,2,opt,name=domain,proto3" json:"domain,omitempty"`
}
func (x *BridgeConfig) Reset() {
*x = BridgeConfig{}
if protoimpl.UnsafeEnabled {
mi := &file_app_reverse_config_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *BridgeConfig) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*BridgeConfig) ProtoMessage() {}
func (x *BridgeConfig) ProtoReflect() protoreflect.Message {
mi := &file_app_reverse_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 BridgeConfig.ProtoReflect.Descriptor instead.
func (*BridgeConfig) Descriptor() ([]byte, []int) {
return file_app_reverse_config_proto_rawDescGZIP(), []int{1}
}
func (x *BridgeConfig) GetTag() string {
if x != nil {
return x.Tag
}
return ""
}
func (x *BridgeConfig) GetDomain() string {
if x != nil {
return x.Domain
}
return ""
}
type PortalConfig struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Tag string `protobuf:"bytes,1,opt,name=tag,proto3" json:"tag,omitempty"`
Domain string `protobuf:"bytes,2,opt,name=domain,proto3" json:"domain,omitempty"`
}
func (x *PortalConfig) Reset() {
*x = PortalConfig{}
if protoimpl.UnsafeEnabled {
mi := &file_app_reverse_config_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *PortalConfig) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*PortalConfig) ProtoMessage() {}
func (x *PortalConfig) ProtoReflect() protoreflect.Message {
mi := &file_app_reverse_config_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use PortalConfig.ProtoReflect.Descriptor instead.
func (*PortalConfig) Descriptor() ([]byte, []int) {
return file_app_reverse_config_proto_rawDescGZIP(), []int{2}
}
func (x *PortalConfig) GetTag() string {
if x != nil {
return x.Tag
}
return ""
}
func (x *PortalConfig) GetDomain() string {
if x != nil {
return x.Domain
}
return ""
}
type Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
BridgeConfig []*BridgeConfig `protobuf:"bytes,1,rep,name=bridge_config,json=bridgeConfig,proto3" json:"bridge_config,omitempty"`
PortalConfig []*PortalConfig `protobuf:"bytes,2,rep,name=portal_config,json=portalConfig,proto3" json:"portal_config,omitempty"`
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_app_reverse_config_proto_msgTypes[3]
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_app_reverse_config_proto_msgTypes[3]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Config.ProtoReflect.Descriptor instead.
func (*Config) Descriptor() ([]byte, []int) {
return file_app_reverse_config_proto_rawDescGZIP(), []int{3}
}
func (x *Config) GetBridgeConfig() []*BridgeConfig {
if x != nil {
return x.BridgeConfig
}
return nil
}
func (x *Config) GetPortalConfig() []*PortalConfig {
if x != nil {
return x.PortalConfig
}
return nil
}
var File_app_reverse_config_proto protoreflect.FileDescriptor
var file_app_reverse_config_proto_rawDesc = []byte{
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}
var (
file_app_reverse_config_proto_rawDescOnce sync.Once
file_app_reverse_config_proto_rawDescData = file_app_reverse_config_proto_rawDesc
)
func file_app_reverse_config_proto_rawDescGZIP() []byte {
file_app_reverse_config_proto_rawDescOnce.Do(func() {
file_app_reverse_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_app_reverse_config_proto_rawDescData)
})
return file_app_reverse_config_proto_rawDescData
}
var file_app_reverse_config_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
var file_app_reverse_config_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
var file_app_reverse_config_proto_goTypes = []interface{}{
(Control_State)(0), // 0: xray.app.reverse.Control.State
(*Control)(nil), // 1: xray.app.reverse.Control
(*BridgeConfig)(nil), // 2: xray.app.reverse.BridgeConfig
(*PortalConfig)(nil), // 3: xray.app.reverse.PortalConfig
(*Config)(nil), // 4: xray.app.reverse.Config
}
var file_app_reverse_config_proto_depIdxs = []int32{
0, // 0: xray.app.reverse.Control.state:type_name -> xray.app.reverse.Control.State
2, // 1: xray.app.reverse.Config.bridge_config:type_name -> xray.app.reverse.BridgeConfig
3, // 2: xray.app.reverse.Config.portal_config:type_name -> xray.app.reverse.PortalConfig
3, // [3:3] is the sub-list for method output_type
3, // [3:3] is the sub-list for method input_type
3, // [3:3] is the sub-list for extension type_name
3, // [3:3] is the sub-list for extension extendee
0, // [0:3] is the sub-list for field type_name
}
func init() { file_app_reverse_config_proto_init() }
func file_app_reverse_config_proto_init() {
if File_app_reverse_config_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_app_reverse_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Control); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_reverse_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*BridgeConfig); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_reverse_config_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*PortalConfig); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_reverse_config_proto_msgTypes[3].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_app_reverse_config_proto_rawDesc,
NumEnums: 1,
NumMessages: 4,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_app_reverse_config_proto_goTypes,
DependencyIndexes: file_app_reverse_config_proto_depIdxs,
EnumInfos: file_app_reverse_config_proto_enumTypes,
MessageInfos: file_app_reverse_config_proto_msgTypes,
}.Build()
File_app_reverse_config_proto = out.File
file_app_reverse_config_proto_rawDesc = nil
file_app_reverse_config_proto_goTypes = nil
file_app_reverse_config_proto_depIdxs = nil
}

32
app/reverse/config.proto Normal file
View file

@ -0,0 +1,32 @@
syntax = "proto3";
package xray.app.reverse;
option csharp_namespace = "Xray.Proxy.Reverse";
option go_package = "github.com/xtls/xray-core/v1/app/reverse";
option java_package = "com.xray.proxy.reverse";
option java_multiple_files = true;
message Control {
enum State {
ACTIVE = 0;
DRAIN = 1;
}
State state = 1;
bytes random = 99;
}
message BridgeConfig {
string tag = 1;
string domain = 2;
}
message PortalConfig {
string tag = 1;
string domain = 2;
}
message Config {
repeated BridgeConfig bridge_config = 1;
repeated PortalConfig portal_config = 2;
}

9
app/reverse/errors.generated.go Normal file
View file

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

266
app/reverse/portal.go Normal file
View file

@ -0,0 +1,266 @@
// +build !confonly
package reverse
import (
"context"
"sync"
"time"
"github.com/golang/protobuf/proto"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/buf"
"github.com/xtls/xray-core/v1/common/mux"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/session"
"github.com/xtls/xray-core/v1/common/task"
"github.com/xtls/xray-core/v1/features/outbound"
"github.com/xtls/xray-core/v1/transport"
"github.com/xtls/xray-core/v1/transport/pipe"
)
type Portal struct {
ohm outbound.Manager
tag string
domain string
picker *StaticMuxPicker
client *mux.ClientManager
}
func NewPortal(config *PortalConfig, ohm outbound.Manager) (*Portal, error) {
if config.Tag == "" {
return nil, newError("portal tag is empty")
}
if config.Domain == "" {
return nil, newError("portal domain is empty")
}
picker, err := NewStaticMuxPicker()
if err != nil {
return nil, err
}
return &Portal{
ohm: ohm,
tag: config.Tag,
domain: config.Domain,
picker: picker,
client: &mux.ClientManager{
Picker: picker,
},
}, nil
}
func (p *Portal) Start() error {
return p.ohm.AddHandler(context.Background(), &Outbound{
portal: p,
tag: p.tag,
})
}
func (p *Portal) Close() error {
return p.ohm.RemoveHandler(context.Background(), p.tag)
}
func (p *Portal) HandleConnection(ctx context.Context, link *transport.Link) error {
outboundMeta := session.OutboundFromContext(ctx)
if outboundMeta == nil {
return newError("outbound metadata not found").AtError()
}
if isDomain(outboundMeta.Target, p.domain) {
muxClient, err := mux.NewClientWorker(*link, mux.ClientStrategy{})
if err != nil {
return newError("failed to create mux client worker").Base(err).AtWarning()
}
worker, err := NewPortalWorker(muxClient)
if err != nil {
return newError("failed to create portal worker").Base(err)
}
p.picker.AddWorker(worker)
return nil
}
return p.client.Dispatch(ctx, link)
}
type Outbound struct {
portal *Portal
tag string
}
func (o *Outbound) Tag() string {
return o.tag
}
func (o *Outbound) Dispatch(ctx context.Context, link *transport.Link) {
if err := o.portal.HandleConnection(ctx, link); err != nil {
newError("failed to process reverse connection").Base(err).WriteToLog(session.ExportIDToError(ctx))
common.Interrupt(link.Writer)
}
}
func (o *Outbound) Start() error {
return nil
}
func (o *Outbound) Close() error {
return nil
}
type StaticMuxPicker struct {
access sync.Mutex
workers []*PortalWorker
cTask *task.Periodic
}
func NewStaticMuxPicker() (*StaticMuxPicker, error) {
p := &StaticMuxPicker{}
p.cTask = &task.Periodic{
Execute: p.cleanup,
Interval: time.Second * 30,
}
p.cTask.Start()
return p, nil
}
func (p *StaticMuxPicker) cleanup() error {
p.access.Lock()
defer p.access.Unlock()
var activeWorkers []*PortalWorker
for _, w := range p.workers {
if !w.Closed() {
activeWorkers = append(activeWorkers, w)
}
}
if len(activeWorkers) != len(p.workers) {
p.workers = activeWorkers
}
return nil
}
func (p *StaticMuxPicker) PickAvailable() (*mux.ClientWorker, error) {
p.access.Lock()
defer p.access.Unlock()
if len(p.workers) == 0 {
return nil, newError("empty worker list")
}
var minIdx int = -1
var minConn uint32 = 9999
for i, w := range p.workers {
if w.draining {
continue
}
if w.client.ActiveConnections() < minConn {
minConn = w.client.ActiveConnections()
minIdx = i
}
}
if minIdx == -1 {
for i, w := range p.workers {
if w.IsFull() {
continue
}
if w.client.ActiveConnections() < minConn {
minConn = w.client.ActiveConnections()
minIdx = i
}
}
}
if minIdx != -1 {
return p.workers[minIdx].client, nil
}
return nil, newError("no mux client worker available")
}
func (p *StaticMuxPicker) AddWorker(worker *PortalWorker) {
p.access.Lock()
defer p.access.Unlock()
p.workers = append(p.workers, worker)
}
type PortalWorker struct {
client *mux.ClientWorker
control *task.Periodic
writer buf.Writer
reader buf.Reader
draining bool
}
func NewPortalWorker(client *mux.ClientWorker) (*PortalWorker, error) {
opt := []pipe.Option{pipe.WithSizeLimit(16 * 1024)}
uplinkReader, uplinkWriter := pipe.New(opt...)
downlinkReader, downlinkWriter := pipe.New(opt...)
ctx := context.Background()
ctx = session.ContextWithOutbound(ctx, &session.Outbound{
Target: net.UDPDestination(net.DomainAddress(internalDomain), 0),
})
f := client.Dispatch(ctx, &transport.Link{
Reader: uplinkReader,
Writer: downlinkWriter,
})
if !f {
return nil, newError("unable to dispatch control connection")
}
w := &PortalWorker{
client: client,
reader: downlinkReader,
writer: uplinkWriter,
}
w.control = &task.Periodic{
Execute: w.heartbeat,
Interval: time.Second * 2,
}
w.control.Start()
return w, nil
}
func (w *PortalWorker) heartbeat() error {
if w.client.Closed() {
return newError("client worker stopped")
}
if w.draining || w.writer == nil {
return newError("already disposed")
}
msg := &Control{}
msg.FillInRandom()
if w.client.TotalConnections() > 256 {
w.draining = true
msg.State = Control_DRAIN
defer func() {
common.Close(w.writer)
common.Interrupt(w.reader)
w.writer = nil
}()
}
b, err := proto.Marshal(msg)
common.Must(err)
mb := buf.MergeBytes(nil, b)
return w.writer.WriteMultiBuffer(mb)
}
func (w *PortalWorker) IsFull() bool {
return w.client.IsFull()
}
func (w *PortalWorker) Closed() bool {
return w.client.Closed()
}

20
app/reverse/portal_test.go Normal file
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package reverse_test
import (
"testing"
"github.com/xtls/xray-core/v1/app/reverse"
"github.com/xtls/xray-core/v1/common"
)
func TestStaticPickerEmpty(t *testing.T) {
picker, err := reverse.NewStaticMuxPicker()
common.Must(err)
worker, err := picker.PickAvailable()
if err == nil {
t.Error("expected error, but nil")
}
if worker != nil {
t.Error("expected nil worker, but not nil")
}
}

98
app/reverse/reverse.go Normal file
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// +build !confonly
package reverse
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"context"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/errors"
"github.com/xtls/xray-core/v1/common/net"
core "github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/features/outbound"
"github.com/xtls/xray-core/v1/features/routing"
)
const (
internalDomain = "reverse.internal.example.com"
)
func isDomain(dest net.Destination, domain string) bool {
return dest.Address.Family().IsDomain() && dest.Address.Domain() == domain
}
func isInternalDomain(dest net.Destination) bool {
return isDomain(dest, internalDomain)
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
r := new(Reverse)
if err := core.RequireFeatures(ctx, func(d routing.Dispatcher, om outbound.Manager) error {
return r.Init(config.(*Config), d, om)
}); err != nil {
return nil, err
}
return r, nil
}))
}
type Reverse struct {
bridges []*Bridge
portals []*Portal
}
func (r *Reverse) Init(config *Config, d routing.Dispatcher, ohm outbound.Manager) error {
for _, bConfig := range config.BridgeConfig {
b, err := NewBridge(bConfig, d)
if err != nil {
return err
}
r.bridges = append(r.bridges, b)
}
for _, pConfig := range config.PortalConfig {
p, err := NewPortal(pConfig, ohm)
if err != nil {
return err
}
r.portals = append(r.portals, p)
}
return nil
}
func (r *Reverse) Type() interface{} {
return (*Reverse)(nil)
}
func (r *Reverse) Start() error {
for _, b := range r.bridges {
if err := b.Start(); err != nil {
return err
}
}
for _, p := range r.portals {
if err := p.Start(); err != nil {
return err
}
}
return nil
}
func (r *Reverse) Close() error {
var errs []error
for _, b := range r.bridges {
errs = append(errs, b.Close())
}
for _, p := range r.portals {
errs = append(errs, p.Close())
}
return errors.Combine(errs...)
}

46
app/router/balancing.go Normal file
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@ -0,0 +1,46 @@
// +build !confonly
package router
import (
"github.com/xtls/xray-core/v1/common/dice"
"github.com/xtls/xray-core/v1/features/outbound"
)
type BalancingStrategy interface {
PickOutbound([]string) string
}
type RandomStrategy struct {
}
func (s *RandomStrategy) PickOutbound(tags []string) string {
n := len(tags)
if n == 0 {
panic("0 tags")
}
return tags[dice.Roll(n)]
}
type Balancer struct {
selectors []string
strategy BalancingStrategy
ohm outbound.Manager
}
func (b *Balancer) PickOutbound() (string, error) {
hs, ok := b.ohm.(outbound.HandlerSelector)
if !ok {
return "", newError("outbound.Manager is not a HandlerSelector")
}
tags := hs.Select(b.selectors)
if len(tags) == 0 {
return "", newError("no available outbounds selected")
}
tag := b.strategy.PickOutbound(tags)
if tag == "" {
return "", newError("balancing strategy returns empty tag")
}
return tag, nil
}

95
app/router/command/command.go Normal file
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@ -0,0 +1,95 @@
// +build !confonly
package command
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"context"
"time"
"google.golang.org/grpc"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/features/routing"
"github.com/xtls/xray-core/v1/features/stats"
)
// routingServer is an implementation of RoutingService.
type routingServer struct {
router routing.Router
routingStats stats.Channel
}
// NewRoutingServer creates a statistics service with statistics manager.
func NewRoutingServer(router routing.Router, routingStats stats.Channel) RoutingServiceServer {
return &routingServer{
router: router,
routingStats: routingStats,
}
}
func (s *routingServer) TestRoute(ctx context.Context, request *TestRouteRequest) (*RoutingContext, error) {
if request.RoutingContext == nil {
return nil, newError("Invalid routing request.")
}
route, err := s.router.PickRoute(AsRoutingContext(request.RoutingContext))
if err != nil {
return nil, err
}
if request.PublishResult && s.routingStats != nil {
ctx, _ := context.WithTimeout(context.Background(), 4*time.Second)
s.routingStats.Publish(ctx, route)
}
return AsProtobufMessage(request.FieldSelectors)(route), nil
}
func (s *routingServer) SubscribeRoutingStats(request *SubscribeRoutingStatsRequest, stream RoutingService_SubscribeRoutingStatsServer) error {
if s.routingStats == nil {
return newError("Routing statistics not enabled.")
}
genMessage := AsProtobufMessage(request.FieldSelectors)
subscriber, err := stats.SubscribeRunnableChannel(s.routingStats)
if err != nil {
return err
}
defer stats.UnsubscribeClosableChannel(s.routingStats, subscriber)
for {
select {
case value, ok := <-subscriber:
if !ok {
return newError("Upstream closed the subscriber channel.")
}
route, ok := value.(routing.Route)
if !ok {
return newError("Upstream sent malformed statistics.")
}
err := stream.Send(genMessage(route))
if err != nil {
return err
}
case <-stream.Context().Done():
return stream.Context().Err()
}
}
}
func (s *routingServer) mustEmbedUnimplementedRoutingServiceServer() {}
type service struct {
v *core.Instance
}
func (s *service) Register(server *grpc.Server) {
common.Must(s.v.RequireFeatures(func(router routing.Router, stats stats.Manager) {
RegisterRoutingServiceServer(server, NewRoutingServer(router, nil))
}))
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, cfg interface{}) (interface{}, error) {
s := core.MustFromContext(ctx)
return &service{v: s}, nil
}))
}

532
app/router/command/command.pb.go Normal file
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@ -0,0 +1,532 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.14.0
// source: app/router/command/command.proto
package command
import (
proto "github.com/golang/protobuf/proto"
net "github.com/xtls/xray-core/v1/common/net"
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
// RoutingContext is the context with information relative to routing process.
// It conforms to the structure of xray.features.routing.Context and
// xray.features.routing.Route.
type RoutingContext struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
InboundTag string `protobuf:"bytes,1,opt,name=InboundTag,proto3" json:"InboundTag,omitempty"`
Network net.Network `protobuf:"varint,2,opt,name=Network,proto3,enum=xray.common.net.Network" json:"Network,omitempty"`
SourceIPs [][]byte `protobuf:"bytes,3,rep,name=SourceIPs,proto3" json:"SourceIPs,omitempty"`
TargetIPs [][]byte `protobuf:"bytes,4,rep,name=TargetIPs,proto3" json:"TargetIPs,omitempty"`
SourcePort uint32 `protobuf:"varint,5,opt,name=SourcePort,proto3" json:"SourcePort,omitempty"`
TargetPort uint32 `protobuf:"varint,6,opt,name=TargetPort,proto3" json:"TargetPort,omitempty"`
TargetDomain string `protobuf:"bytes,7,opt,name=TargetDomain,proto3" json:"TargetDomain,omitempty"`
Protocol string `protobuf:"bytes,8,opt,name=Protocol,proto3" json:"Protocol,omitempty"`
User string `protobuf:"bytes,9,opt,name=User,proto3" json:"User,omitempty"`
Attributes map[string]string `protobuf:"bytes,10,rep,name=Attributes,proto3" json:"Attributes,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
OutboundGroupTags []string `protobuf:"bytes,11,rep,name=OutboundGroupTags,proto3" json:"OutboundGroupTags,omitempty"`
OutboundTag string `protobuf:"bytes,12,opt,name=OutboundTag,proto3" json:"OutboundTag,omitempty"`
}
func (x *RoutingContext) Reset() {
*x = RoutingContext{}
if protoimpl.UnsafeEnabled {
mi := &file_app_router_command_command_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *RoutingContext) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*RoutingContext) ProtoMessage() {}
func (x *RoutingContext) ProtoReflect() protoreflect.Message {
mi := &file_app_router_command_command_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 RoutingContext.ProtoReflect.Descriptor instead.
func (*RoutingContext) Descriptor() ([]byte, []int) {
return file_app_router_command_command_proto_rawDescGZIP(), []int{0}
}
func (x *RoutingContext) GetInboundTag() string {
if x != nil {
return x.InboundTag
}
return ""
}
func (x *RoutingContext) GetNetwork() net.Network {
if x != nil {
return x.Network
}
return net.Network_Unknown
}
func (x *RoutingContext) GetSourceIPs() [][]byte {
if x != nil {
return x.SourceIPs
}
return nil
}
func (x *RoutingContext) GetTargetIPs() [][]byte {
if x != nil {
return x.TargetIPs
}
return nil
}
func (x *RoutingContext) GetSourcePort() uint32 {
if x != nil {
return x.SourcePort
}
return 0
}
func (x *RoutingContext) GetTargetPort() uint32 {
if x != nil {
return x.TargetPort
}
return 0
}
func (x *RoutingContext) GetTargetDomain() string {
if x != nil {
return x.TargetDomain
}
return ""
}
func (x *RoutingContext) GetProtocol() string {
if x != nil {
return x.Protocol
}
return ""
}
func (x *RoutingContext) GetUser() string {
if x != nil {
return x.User
}
return ""
}
func (x *RoutingContext) GetAttributes() map[string]string {
if x != nil {
return x.Attributes
}
return nil
}
func (x *RoutingContext) GetOutboundGroupTags() []string {
if x != nil {
return x.OutboundGroupTags
}
return nil
}
func (x *RoutingContext) GetOutboundTag() string {
if x != nil {
return x.OutboundTag
}
return ""
}
// SubscribeRoutingStatsRequest subscribes to routing statistics channel if
// opened by xray-core.
// * FieldSelectors selects a subset of fields in routing statistics to return.
// Valid selectors:
// - inbound: Selects connection's inbound tag.
// - network: Selects connection's network.
// - ip: Equivalent as "ip_source" and "ip_target", selects both source and
// target IP.
// - port: Equivalent as "port_source" and "port_target", selects both source
// and target port.
// - domain: Selects target domain.
// - protocol: Select connection's protocol.
// - user: Select connection's inbound user email.
// - attributes: Select connection's additional attributes.
// - outbound: Equivalent as "outbound" and "outbound_group", select both
// outbound tag and outbound group tags.
// * If FieldSelectors is left empty, all fields will be returned.
type SubscribeRoutingStatsRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
FieldSelectors []string `protobuf:"bytes,1,rep,name=FieldSelectors,proto3" json:"FieldSelectors,omitempty"`
}
func (x *SubscribeRoutingStatsRequest) Reset() {
*x = SubscribeRoutingStatsRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_app_router_command_command_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *SubscribeRoutingStatsRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*SubscribeRoutingStatsRequest) ProtoMessage() {}
func (x *SubscribeRoutingStatsRequest) ProtoReflect() protoreflect.Message {
mi := &file_app_router_command_command_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 SubscribeRoutingStatsRequest.ProtoReflect.Descriptor instead.
func (*SubscribeRoutingStatsRequest) Descriptor() ([]byte, []int) {
return file_app_router_command_command_proto_rawDescGZIP(), []int{1}
}
func (x *SubscribeRoutingStatsRequest) GetFieldSelectors() []string {
if x != nil {
return x.FieldSelectors
}
return nil
}
// TestRouteRequest manually tests a routing result according to the routing
// context message.
// * RoutingContext is the routing message without outbound information.
// * FieldSelectors selects the fields to return in the routing result. All
// fields are returned if left empty.
// * PublishResult broadcasts the routing result to routing statistics channel
// if set true.
type TestRouteRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
RoutingContext *RoutingContext `protobuf:"bytes,1,opt,name=RoutingContext,proto3" json:"RoutingContext,omitempty"`
FieldSelectors []string `protobuf:"bytes,2,rep,name=FieldSelectors,proto3" json:"FieldSelectors,omitempty"`
PublishResult bool `protobuf:"varint,3,opt,name=PublishResult,proto3" json:"PublishResult,omitempty"`
}
func (x *TestRouteRequest) Reset() {
*x = TestRouteRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_app_router_command_command_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *TestRouteRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*TestRouteRequest) ProtoMessage() {}
func (x *TestRouteRequest) ProtoReflect() protoreflect.Message {
mi := &file_app_router_command_command_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use TestRouteRequest.ProtoReflect.Descriptor instead.
func (*TestRouteRequest) Descriptor() ([]byte, []int) {
return file_app_router_command_command_proto_rawDescGZIP(), []int{2}
}
func (x *TestRouteRequest) GetRoutingContext() *RoutingContext {
if x != nil {
return x.RoutingContext
}
return nil
}
func (x *TestRouteRequest) GetFieldSelectors() []string {
if x != nil {
return x.FieldSelectors
}
return nil
}
func (x *TestRouteRequest) GetPublishResult() bool {
if x != nil {
return x.PublishResult
}
return false
}
type Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_app_router_command_command_proto_msgTypes[3]
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_app_router_command_command_proto_msgTypes[3]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Config.ProtoReflect.Descriptor instead.
func (*Config) Descriptor() ([]byte, []int) {
return file_app_router_command_command_proto_rawDescGZIP(), []int{3}
}
var File_app_router_command_command_proto protoreflect.FileDescriptor
var file_app_router_command_command_proto_rawDesc = []byte{
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0x33,
}
var (
file_app_router_command_command_proto_rawDescOnce sync.Once
file_app_router_command_command_proto_rawDescData = file_app_router_command_command_proto_rawDesc
)
func file_app_router_command_command_proto_rawDescGZIP() []byte {
file_app_router_command_command_proto_rawDescOnce.Do(func() {
file_app_router_command_command_proto_rawDescData = protoimpl.X.CompressGZIP(file_app_router_command_command_proto_rawDescData)
})
return file_app_router_command_command_proto_rawDescData
}
var file_app_router_command_command_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
var file_app_router_command_command_proto_goTypes = []interface{}{
(*RoutingContext)(nil), // 0: xray.app.router.command.RoutingContext
(*SubscribeRoutingStatsRequest)(nil), // 1: xray.app.router.command.SubscribeRoutingStatsRequest
(*TestRouteRequest)(nil), // 2: xray.app.router.command.TestRouteRequest
(*Config)(nil), // 3: xray.app.router.command.Config
nil, // 4: xray.app.router.command.RoutingContext.AttributesEntry
(net.Network)(0), // 5: xray.common.net.Network
}
var file_app_router_command_command_proto_depIdxs = []int32{
5, // 0: xray.app.router.command.RoutingContext.Network:type_name -> xray.common.net.Network
4, // 1: xray.app.router.command.RoutingContext.Attributes:type_name -> xray.app.router.command.RoutingContext.AttributesEntry
0, // 2: xray.app.router.command.TestRouteRequest.RoutingContext:type_name -> xray.app.router.command.RoutingContext
1, // 3: xray.app.router.command.RoutingService.SubscribeRoutingStats:input_type -> xray.app.router.command.SubscribeRoutingStatsRequest
2, // 4: xray.app.router.command.RoutingService.TestRoute:input_type -> xray.app.router.command.TestRouteRequest
0, // 5: xray.app.router.command.RoutingService.SubscribeRoutingStats:output_type -> xray.app.router.command.RoutingContext
0, // 6: xray.app.router.command.RoutingService.TestRoute:output_type -> xray.app.router.command.RoutingContext
5, // [5:7] is the sub-list for method output_type
3, // [3:5] is the sub-list for method input_type
3, // [3:3] is the sub-list for extension type_name
3, // [3:3] is the sub-list for extension extendee
0, // [0:3] is the sub-list for field type_name
}
func init() { file_app_router_command_command_proto_init() }
func file_app_router_command_command_proto_init() {
if File_app_router_command_command_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_app_router_command_command_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*RoutingContext); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_router_command_command_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*SubscribeRoutingStatsRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_router_command_command_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*TestRouteRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_router_command_command_proto_msgTypes[3].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_app_router_command_command_proto_rawDesc,
NumEnums: 0,
NumMessages: 5,
NumExtensions: 0,
NumServices: 1,
},
GoTypes: file_app_router_command_command_proto_goTypes,
DependencyIndexes: file_app_router_command_command_proto_depIdxs,
MessageInfos: file_app_router_command_command_proto_msgTypes,
}.Build()
File_app_router_command_command_proto = out.File
file_app_router_command_command_proto_rawDesc = nil
file_app_router_command_command_proto_goTypes = nil
file_app_router_command_command_proto_depIdxs = nil
}

69
app/router/command/command.proto Normal file
View file

@ -0,0 +1,69 @@
syntax = "proto3";
package xray.app.router.command;
option csharp_namespace = "Xray.App.Router.Command";
option go_package = "github.com/xtls/xray-core/v1/app/router/command";
option java_package = "com.xray.app.router.command";
option java_multiple_files = true;
import "common/net/network.proto";
// RoutingContext is the context with information relative to routing process.
// It conforms to the structure of xray.features.routing.Context and
// xray.features.routing.Route.
message RoutingContext {
string InboundTag = 1;
xray.common.net.Network Network = 2;
repeated bytes SourceIPs = 3;
repeated bytes TargetIPs = 4;
uint32 SourcePort = 5;
uint32 TargetPort = 6;
string TargetDomain = 7;
string Protocol = 8;
string User = 9;
map<string, string> Attributes = 10;
repeated string OutboundGroupTags = 11;
string OutboundTag = 12;
}
// SubscribeRoutingStatsRequest subscribes to routing statistics channel if
// opened by xray-core.
// * FieldSelectors selects a subset of fields in routing statistics to return.
// Valid selectors:
// - inbound: Selects connection's inbound tag.
// - network: Selects connection's network.
// - ip: Equivalent as "ip_source" and "ip_target", selects both source and
// target IP.
// - port: Equivalent as "port_source" and "port_target", selects both source
// and target port.
// - domain: Selects target domain.
// - protocol: Select connection's protocol.
// - user: Select connection's inbound user email.
// - attributes: Select connection's additional attributes.
// - outbound: Equivalent as "outbound" and "outbound_group", select both
// outbound tag and outbound group tags.
// * If FieldSelectors is left empty, all fields will be returned.
message SubscribeRoutingStatsRequest {
repeated string FieldSelectors = 1;
}
// TestRouteRequest manually tests a routing result according to the routing
// context message.
// * RoutingContext is the routing message without outbound information.
// * FieldSelectors selects the fields to return in the routing result. All
// fields are returned if left empty.
// * PublishResult broadcasts the routing result to routing statistics channel
// if set true.
message TestRouteRequest {
RoutingContext RoutingContext = 1;
repeated string FieldSelectors = 2;
bool PublishResult = 3;
}
service RoutingService {
rpc SubscribeRoutingStats(SubscribeRoutingStatsRequest)
returns (stream RoutingContext) {}
rpc TestRoute(TestRouteRequest) returns (RoutingContext) {}
}
message Config {}

161
app/router/command/command_grpc.pb.go Normal file
View file

@ -0,0 +1,161 @@
// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
package command
import (
context "context"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
)
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion7
// RoutingServiceClient is the client API for RoutingService service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
type RoutingServiceClient interface {
SubscribeRoutingStats(ctx context.Context, in *SubscribeRoutingStatsRequest, opts ...grpc.CallOption) (RoutingService_SubscribeRoutingStatsClient, error)
TestRoute(ctx context.Context, in *TestRouteRequest, opts ...grpc.CallOption) (*RoutingContext, error)
}
type routingServiceClient struct {
cc grpc.ClientConnInterface
}
func NewRoutingServiceClient(cc grpc.ClientConnInterface) RoutingServiceClient {
return &routingServiceClient{cc}
}
func (c *routingServiceClient) SubscribeRoutingStats(ctx context.Context, in *SubscribeRoutingStatsRequest, opts ...grpc.CallOption) (RoutingService_SubscribeRoutingStatsClient, error) {
stream, err := c.cc.NewStream(ctx, &_RoutingService_serviceDesc.Streams[0], "/xray.app.router.command.RoutingService/SubscribeRoutingStats", opts...)
if err != nil {
return nil, err
}
x := &routingServiceSubscribeRoutingStatsClient{stream}
if err := x.ClientStream.SendMsg(in); err != nil {
return nil, err
}
if err := x.ClientStream.CloseSend(); err != nil {
return nil, err
}
return x, nil
}
type RoutingService_SubscribeRoutingStatsClient interface {
Recv() (*RoutingContext, error)
grpc.ClientStream
}
type routingServiceSubscribeRoutingStatsClient struct {
grpc.ClientStream
}
func (x *routingServiceSubscribeRoutingStatsClient) Recv() (*RoutingContext, error) {
m := new(RoutingContext)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
func (c *routingServiceClient) TestRoute(ctx context.Context, in *TestRouteRequest, opts ...grpc.CallOption) (*RoutingContext, error) {
out := new(RoutingContext)
err := c.cc.Invoke(ctx, "/xray.app.router.command.RoutingService/TestRoute", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// RoutingServiceServer is the server API for RoutingService service.
// All implementations must embed UnimplementedRoutingServiceServer
// for forward compatibility
type RoutingServiceServer interface {
SubscribeRoutingStats(*SubscribeRoutingStatsRequest, RoutingService_SubscribeRoutingStatsServer) error
TestRoute(context.Context, *TestRouteRequest) (*RoutingContext, error)
mustEmbedUnimplementedRoutingServiceServer()
}
// UnimplementedRoutingServiceServer must be embedded to have forward compatible implementations.
type UnimplementedRoutingServiceServer struct {
}
func (UnimplementedRoutingServiceServer) SubscribeRoutingStats(*SubscribeRoutingStatsRequest, RoutingService_SubscribeRoutingStatsServer) error {
return status.Errorf(codes.Unimplemented, "method SubscribeRoutingStats not implemented")
}
func (UnimplementedRoutingServiceServer) TestRoute(context.Context, *TestRouteRequest) (*RoutingContext, error) {
return nil, status.Errorf(codes.Unimplemented, "method TestRoute not implemented")
}
func (UnimplementedRoutingServiceServer) mustEmbedUnimplementedRoutingServiceServer() {}
// UnsafeRoutingServiceServer may be embedded to opt out of forward compatibility for this service.
// Use of this interface is not recommended, as added methods to RoutingServiceServer will
// result in compilation errors.
type UnsafeRoutingServiceServer interface {
mustEmbedUnimplementedRoutingServiceServer()
}
func RegisterRoutingServiceServer(s grpc.ServiceRegistrar, srv RoutingServiceServer) {
s.RegisterService(&_RoutingService_serviceDesc, srv)
}
func _RoutingService_SubscribeRoutingStats_Handler(srv interface{}, stream grpc.ServerStream) error {
m := new(SubscribeRoutingStatsRequest)
if err := stream.RecvMsg(m); err != nil {
return err
}
return srv.(RoutingServiceServer).SubscribeRoutingStats(m, &routingServiceSubscribeRoutingStatsServer{stream})
}
type RoutingService_SubscribeRoutingStatsServer interface {
Send(*RoutingContext) error
grpc.ServerStream
}
type routingServiceSubscribeRoutingStatsServer struct {
grpc.ServerStream
}
func (x *routingServiceSubscribeRoutingStatsServer) Send(m *RoutingContext) error {
return x.ServerStream.SendMsg(m)
}
func _RoutingService_TestRoute_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(TestRouteRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(RoutingServiceServer).TestRoute(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/xray.app.router.command.RoutingService/TestRoute",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(RoutingServiceServer).TestRoute(ctx, req.(*TestRouteRequest))
}
return interceptor(ctx, in, info, handler)
}
var _RoutingService_serviceDesc = grpc.ServiceDesc{
ServiceName: "xray.app.router.command.RoutingService",
HandlerType: (*RoutingServiceServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "TestRoute",
Handler: _RoutingService_TestRoute_Handler,
},
},
Streams: []grpc.StreamDesc{
{
StreamName: "SubscribeRoutingStats",
Handler: _RoutingService_SubscribeRoutingStats_Handler,
ServerStreams: true,
},
},
Metadata: "app/router/command/command.proto",
}

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app/router/command/command_test.go Normal file
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package command_test
import (
"context"
"testing"
"time"
"github.com/golang/mock/gomock"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"github.com/xtls/xray-core/v1/app/router"
. "github.com/xtls/xray-core/v1/app/router/command"
"github.com/xtls/xray-core/v1/app/stats"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/features/routing"
"github.com/xtls/xray-core/v1/testing/mocks"
"google.golang.org/grpc"
"google.golang.org/grpc/test/bufconn"
)
func TestServiceSubscribeRoutingStats(t *testing.T) {
c := stats.NewChannel(&stats.ChannelConfig{
SubscriberLimit: 1,
BufferSize: 0,
Blocking: true,
})
common.Must(c.Start())
defer c.Close()
lis := bufconn.Listen(1024 * 1024)
bufDialer := func(context.Context, string) (net.Conn, error) {
return lis.Dial()
}
testCases := []*RoutingContext{
{InboundTag: "in", OutboundTag: "out"},
{TargetIPs: [][]byte{{1, 2, 3, 4}}, TargetPort: 8080, OutboundTag: "out"},
{TargetDomain: "example.com", TargetPort: 443, OutboundTag: "out"},
{SourcePort: 9999, TargetPort: 9999, OutboundTag: "out"},
{Network: net.Network_UDP, OutboundGroupTags: []string{"outergroup", "innergroup"}, OutboundTag: "out"},
{Protocol: "bittorrent", OutboundTag: "blocked"},
{User: "example@example.com", OutboundTag: "out"},
{SourceIPs: [][]byte{{127, 0, 0, 1}}, Attributes: map[string]string{"attr": "value"}, OutboundTag: "out"},
}
errCh := make(chan error)
nextPub := make(chan struct{})
// Server goroutine
go func() {
server := grpc.NewServer()
RegisterRoutingServiceServer(server, NewRoutingServer(nil, c))
errCh <- server.Serve(lis)
}()
// Publisher goroutine
go func() {
publishTestCases := func() error {
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
for { // Wait until there's one subscriber in routing stats channel
if len(c.Subscribers()) > 0 {
break
}
if ctx.Err() != nil {
return ctx.Err()
}
}
for _, tc := range testCases {
c.Publish(context.Background(), AsRoutingRoute(tc))
time.Sleep(time.Millisecond)
}
return nil
}
if err := publishTestCases(); err != nil {
errCh <- err
}
// Wait for next round of publishing
<-nextPub
if err := publishTestCases(); err != nil {
errCh <- err
}
}()
// Client goroutine
go func() {
defer lis.Close()
conn, err := grpc.DialContext(context.Background(), "bufnet", grpc.WithContextDialer(bufDialer), grpc.WithInsecure())
if err != nil {
errCh <- err
return
}
defer conn.Close()
client := NewRoutingServiceClient(conn)
// Test retrieving all fields
testRetrievingAllFields := func() error {
streamCtx, streamClose := context.WithCancel(context.Background())
// Test the unsubscription of stream works well
defer func() {
streamClose()
timeOutCtx, timeout := context.WithTimeout(context.Background(), time.Second)
defer timeout()
for { // Wait until there's no subscriber in routing stats channel
if len(c.Subscribers()) == 0 {
break
}
if timeOutCtx.Err() != nil {
t.Error("unexpected subscribers not decreased in channel", timeOutCtx.Err())
}
}
}()
stream, err := client.SubscribeRoutingStats(streamCtx, &SubscribeRoutingStatsRequest{})
if err != nil {
return err
}
for _, tc := range testCases {
msg, err := stream.Recv()
if err != nil {
return err
}
if r := cmp.Diff(msg, tc, cmpopts.IgnoreUnexported(RoutingContext{})); r != "" {
t.Error(r)
}
}
// Test that double subscription will fail
errStream, err := client.SubscribeRoutingStats(context.Background(), &SubscribeRoutingStatsRequest{
FieldSelectors: []string{"ip", "port", "domain", "outbound"},
})
if err != nil {
return err
}
if _, err := errStream.Recv(); err == nil {
t.Error("unexpected successful subscription")
}
return nil
}
// Test retrieving only a subset of fields
testRetrievingSubsetOfFields := func() error {
streamCtx, streamClose := context.WithCancel(context.Background())
defer streamClose()
stream, err := client.SubscribeRoutingStats(streamCtx, &SubscribeRoutingStatsRequest{
FieldSelectors: []string{"ip", "port", "domain", "outbound"},
})
if err != nil {
return err
}
// Send nextPub signal to start next round of publishing
close(nextPub)
for _, tc := range testCases {
msg, err := stream.Recv()
if err != nil {
return err
}
stat := &RoutingContext{ // Only a subset of stats is retrieved
SourceIPs: tc.SourceIPs,
TargetIPs: tc.TargetIPs,
SourcePort: tc.SourcePort,
TargetPort: tc.TargetPort,
TargetDomain: tc.TargetDomain,
OutboundGroupTags: tc.OutboundGroupTags,
OutboundTag: tc.OutboundTag,
}
if r := cmp.Diff(msg, stat, cmpopts.IgnoreUnexported(RoutingContext{})); r != "" {
t.Error(r)
}
}
return nil
}
if err := testRetrievingAllFields(); err != nil {
errCh <- err
}
if err := testRetrievingSubsetOfFields(); err != nil {
errCh <- err
}
errCh <- nil // Client passed all tests successfully
}()
// Wait for goroutines to complete
select {
case <-time.After(2 * time.Second):
t.Fatal("Test timeout after 2s")
case err := <-errCh:
if err != nil {
t.Fatal(err)
}
}
}
func TestSerivceTestRoute(t *testing.T) {
c := stats.NewChannel(&stats.ChannelConfig{
SubscriberLimit: 1,
BufferSize: 16,
Blocking: true,
})
common.Must(c.Start())
defer c.Close()
r := new(router.Router)
mockCtl := gomock.NewController(t)
defer mockCtl.Finish()
common.Must(r.Init(&router.Config{
Rule: []*router.RoutingRule{
{
InboundTag: []string{"in"},
TargetTag: &router.RoutingRule_Tag{Tag: "out"},
},
{
Protocol: []string{"bittorrent"},
TargetTag: &router.RoutingRule_Tag{Tag: "blocked"},
},
{
PortList: &net.PortList{Range: []*net.PortRange{{From: 8080, To: 8080}}},
TargetTag: &router.RoutingRule_Tag{Tag: "out"},
},
{
SourcePortList: &net.PortList{Range: []*net.PortRange{{From: 9999, To: 9999}}},
TargetTag: &router.RoutingRule_Tag{Tag: "out"},
},
{
Domain: []*router.Domain{{Type: router.Domain_Domain, Value: "com"}},
TargetTag: &router.RoutingRule_Tag{Tag: "out"},
},
{
SourceGeoip: []*router.GeoIP{{CountryCode: "private", Cidr: []*router.CIDR{{Ip: []byte{127, 0, 0, 0}, Prefix: 8}}}},
TargetTag: &router.RoutingRule_Tag{Tag: "out"},
},
{
UserEmail: []string{"example@example.com"},
TargetTag: &router.RoutingRule_Tag{Tag: "out"},
},
{
Networks: []net.Network{net.Network_UDP, net.Network_TCP},
TargetTag: &router.RoutingRule_Tag{Tag: "out"},
},
},
}, mocks.NewDNSClient(mockCtl), mocks.NewOutboundManager(mockCtl)))
lis := bufconn.Listen(1024 * 1024)
bufDialer := func(context.Context, string) (net.Conn, error) {
return lis.Dial()
}
errCh := make(chan error)
// Server goroutine
go func() {
server := grpc.NewServer()
RegisterRoutingServiceServer(server, NewRoutingServer(r, c))
errCh <- server.Serve(lis)
}()
// Client goroutine
go func() {
defer lis.Close()
conn, err := grpc.DialContext(context.Background(), "bufnet", grpc.WithContextDialer(bufDialer), grpc.WithInsecure())
if err != nil {
errCh <- err
}
defer conn.Close()
client := NewRoutingServiceClient(conn)
testCases := []*RoutingContext{
{InboundTag: "in", OutboundTag: "out"},
{TargetIPs: [][]byte{{1, 2, 3, 4}}, TargetPort: 8080, OutboundTag: "out"},
{TargetDomain: "example.com", TargetPort: 443, OutboundTag: "out"},
{SourcePort: 9999, TargetPort: 9999, OutboundTag: "out"},
{Network: net.Network_UDP, Protocol: "bittorrent", OutboundTag: "blocked"},
{User: "example@example.com", OutboundTag: "out"},
{SourceIPs: [][]byte{{127, 0, 0, 1}}, Attributes: map[string]string{"attr": "value"}, OutboundTag: "out"},
}
// Test simple TestRoute
testSimple := func() error {
for _, tc := range testCases {
route, err := client.TestRoute(context.Background(), &TestRouteRequest{RoutingContext: tc})
if err != nil {
return err
}
if r := cmp.Diff(route, tc, cmpopts.IgnoreUnexported(RoutingContext{})); r != "" {
t.Error(r)
}
}
return nil
}
// Test TestRoute with special options
testOptions := func() error {
sub, err := c.Subscribe()
if err != nil {
return err
}
for _, tc := range testCases {
route, err := client.TestRoute(context.Background(), &TestRouteRequest{
RoutingContext: tc,
FieldSelectors: []string{"ip", "port", "domain", "outbound"},
PublishResult: true,
})
if err != nil {
return err
}
stat := &RoutingContext{ // Only a subset of stats is retrieved
SourceIPs: tc.SourceIPs,
TargetIPs: tc.TargetIPs,
SourcePort: tc.SourcePort,
TargetPort: tc.TargetPort,
TargetDomain: tc.TargetDomain,
OutboundGroupTags: tc.OutboundGroupTags,
OutboundTag: tc.OutboundTag,
}
if r := cmp.Diff(route, stat, cmpopts.IgnoreUnexported(RoutingContext{})); r != "" {
t.Error(r)
}
select { // Check that routing result has been published to statistics channel
case msg, received := <-sub:
if route, ok := msg.(routing.Route); received && ok {
if r := cmp.Diff(AsProtobufMessage(nil)(route), tc, cmpopts.IgnoreUnexported(RoutingContext{})); r != "" {
t.Error(r)
}
} else {
t.Error("unexpected failure in receiving published routing result for testcase", tc)
}
case <-time.After(100 * time.Millisecond):
t.Error("unexpected failure in receiving published routing result", tc)
}
}
return nil
}
if err := testSimple(); err != nil {
errCh <- err
}
if err := testOptions(); err != nil {
errCh <- err
}
errCh <- nil // Client passed all tests successfully
}()
// Wait for goroutines to complete
select {
case <-time.After(2 * time.Second):
t.Fatal("Test timeout after 2s")
case err := <-errCh:
if err != nil {
t.Fatal(err)
}
}
}

94
app/router/command/config.go Normal file
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package command
import (
"strings"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/features/routing"
)
// routingContext is an wrapper of protobuf RoutingContext as implementation of routing.Context and routing.Route.
type routingContext struct {
*RoutingContext
}
func (c routingContext) GetSourceIPs() []net.IP {
return mapBytesToIPs(c.RoutingContext.GetSourceIPs())
}
func (c routingContext) GetSourcePort() net.Port {
return net.Port(c.RoutingContext.GetSourcePort())
}
func (c routingContext) GetTargetIPs() []net.IP {
return mapBytesToIPs(c.RoutingContext.GetTargetIPs())
}
func (c routingContext) GetTargetPort() net.Port {
return net.Port(c.RoutingContext.GetTargetPort())
}
// AsRoutingContext converts a protobuf RoutingContext into an implementation of routing.Context.
func AsRoutingContext(r *RoutingContext) routing.Context {
return routingContext{r}
}
// AsRoutingRoute converts a protobuf RoutingContext into an implementation of routing.Route.
func AsRoutingRoute(r *RoutingContext) routing.Route {
return routingContext{r}
}
var fieldMap = map[string]func(*RoutingContext, routing.Route){
"inbound": func(s *RoutingContext, r routing.Route) { s.InboundTag = r.GetInboundTag() },
"network": func(s *RoutingContext, r routing.Route) { s.Network = r.GetNetwork() },
"ip_source": func(s *RoutingContext, r routing.Route) { s.SourceIPs = mapIPsToBytes(r.GetSourceIPs()) },
"ip_target": func(s *RoutingContext, r routing.Route) { s.TargetIPs = mapIPsToBytes(r.GetTargetIPs()) },
"port_source": func(s *RoutingContext, r routing.Route) { s.SourcePort = uint32(r.GetSourcePort()) },
"port_target": func(s *RoutingContext, r routing.Route) { s.TargetPort = uint32(r.GetTargetPort()) },
"domain": func(s *RoutingContext, r routing.Route) { s.TargetDomain = r.GetTargetDomain() },
"protocol": func(s *RoutingContext, r routing.Route) { s.Protocol = r.GetProtocol() },
"user": func(s *RoutingContext, r routing.Route) { s.User = r.GetUser() },
"attributes": func(s *RoutingContext, r routing.Route) { s.Attributes = r.GetAttributes() },
"outbound_group": func(s *RoutingContext, r routing.Route) { s.OutboundGroupTags = r.GetOutboundGroupTags() },
"outbound": func(s *RoutingContext, r routing.Route) { s.OutboundTag = r.GetOutboundTag() },
}
// AsProtobufMessage takes selectors of fields and returns a function to convert routing.Route to protobuf RoutingContext.
func AsProtobufMessage(fieldSelectors []string) func(routing.Route) *RoutingContext {
initializers := []func(*RoutingContext, routing.Route){}
for field, init := range fieldMap {
if len(fieldSelectors) == 0 { // If selectors not set, retrieve all fields
initializers = append(initializers, init)
continue
}
for _, selector := range fieldSelectors {
if strings.HasPrefix(field, selector) {
initializers = append(initializers, init)
break
}
}
}
return func(ctx routing.Route) *RoutingContext {
message := new(RoutingContext)
for _, init := range initializers {
init(message, ctx)
}
return message
}
}
func mapBytesToIPs(bytes [][]byte) []net.IP {
var ips []net.IP
for _, rawIP := range bytes {
ips = append(ips, net.IP(rawIP))
}
return ips
}
func mapIPsToBytes(ips []net.IP) [][]byte {
var bytes [][]byte
for _, ip := range ips {
bytes = append(bytes, []byte(ip))
}
return bytes
}

9
app/router/command/errors.generated.go Normal file
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package command
import "github.com/xtls/xray-core/v1/common/errors"
type errPathObjHolder struct{}
func newError(values ...interface{}) *errors.Error {
return errors.New(values...).WithPathObj(errPathObjHolder{})
}

319
app/router/condition.go Normal file
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// +build !confonly
package router
import (
"strings"
"go.starlark.net/starlark"
"go.starlark.net/syntax"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/strmatcher"
"github.com/xtls/xray-core/v1/features/routing"
)
type Condition interface {
Apply(ctx routing.Context) bool
}
type ConditionChan []Condition
func NewConditionChan() *ConditionChan {
var condChan ConditionChan = make([]Condition, 0, 8)
return &condChan
}
func (v *ConditionChan) Add(cond Condition) *ConditionChan {
*v = append(*v, cond)
return v
}
// Apply applies all conditions registered in this chan.
func (v *ConditionChan) Apply(ctx routing.Context) bool {
for _, cond := range *v {
if !cond.Apply(ctx) {
return false
}
}
return true
}
func (v *ConditionChan) Len() int {
return len(*v)
}
var matcherTypeMap = map[Domain_Type]strmatcher.Type{
Domain_Plain: strmatcher.Substr,
Domain_Regex: strmatcher.Regex,
Domain_Domain: strmatcher.Domain,
Domain_Full: strmatcher.Full,
}
func domainToMatcher(domain *Domain) (strmatcher.Matcher, error) {
matcherType, f := matcherTypeMap[domain.Type]
if !f {
return nil, newError("unsupported domain type", domain.Type)
}
matcher, err := matcherType.New(domain.Value)
if err != nil {
return nil, newError("failed to create domain matcher").Base(err)
}
return matcher, nil
}
type DomainMatcher struct {
matchers strmatcher.IndexMatcher
}
func NewDomainMatcher(domains []*Domain) (*DomainMatcher, error) {
g := new(strmatcher.MatcherGroup)
for _, d := range domains {
m, err := domainToMatcher(d)
if err != nil {
return nil, err
}
g.Add(m)
}
return &DomainMatcher{
matchers: g,
}, nil
}
func (m *DomainMatcher) ApplyDomain(domain string) bool {
return len(m.matchers.Match(domain)) > 0
}
// Apply implements Condition.
func (m *DomainMatcher) Apply(ctx routing.Context) bool {
domain := ctx.GetTargetDomain()
if len(domain) == 0 {
return false
}
return m.ApplyDomain(domain)
}
type MultiGeoIPMatcher struct {
matchers []*GeoIPMatcher
onSource bool
}
func NewMultiGeoIPMatcher(geoips []*GeoIP, onSource bool) (*MultiGeoIPMatcher, error) {
var matchers []*GeoIPMatcher
for _, geoip := range geoips {
matcher, err := globalGeoIPContainer.Add(geoip)
if err != nil {
return nil, err
}
matchers = append(matchers, matcher)
}
matcher := &MultiGeoIPMatcher{
matchers: matchers,
onSource: onSource,
}
return matcher, nil
}
// Apply implements Condition.
func (m *MultiGeoIPMatcher) Apply(ctx routing.Context) bool {
var ips []net.IP
if m.onSource {
ips = ctx.GetSourceIPs()
} else {
ips = ctx.GetTargetIPs()
}
for _, ip := range ips {
for _, matcher := range m.matchers {
if matcher.Match(ip) {
return true
}
}
}
return false
}
type PortMatcher struct {
port net.MemoryPortList
onSource bool
}
// NewPortMatcher create a new port matcher that can match source or destination port
func NewPortMatcher(list *net.PortList, onSource bool) *PortMatcher {
return &PortMatcher{
port: net.PortListFromProto(list),
onSource: onSource,
}
}
// Apply implements Condition.
func (v *PortMatcher) Apply(ctx routing.Context) bool {
if v.onSource {
return v.port.Contains(ctx.GetSourcePort())
} else {
return v.port.Contains(ctx.GetTargetPort())
}
}
type NetworkMatcher struct {
list [8]bool
}
func NewNetworkMatcher(network []net.Network) NetworkMatcher {
var matcher NetworkMatcher
for _, n := range network {
matcher.list[int(n)] = true
}
return matcher
}
// Apply implements Condition.
func (v NetworkMatcher) Apply(ctx routing.Context) bool {
return v.list[int(ctx.GetNetwork())]
}
type UserMatcher struct {
user []string
}
func NewUserMatcher(users []string) *UserMatcher {
usersCopy := make([]string, 0, len(users))
for _, user := range users {
if len(user) > 0 {
usersCopy = append(usersCopy, user)
}
}
return &UserMatcher{
user: usersCopy,
}
}
// Apply implements Condition.
func (v *UserMatcher) Apply(ctx routing.Context) bool {
user := ctx.GetUser()
if len(user) == 0 {
return false
}
for _, u := range v.user {
if u == user {
return true
}
}
return false
}
type InboundTagMatcher struct {
tags []string
}
func NewInboundTagMatcher(tags []string) *InboundTagMatcher {
tagsCopy := make([]string, 0, len(tags))
for _, tag := range tags {
if len(tag) > 0 {
tagsCopy = append(tagsCopy, tag)
}
}
return &InboundTagMatcher{
tags: tagsCopy,
}
}
// Apply implements Condition.
func (v *InboundTagMatcher) Apply(ctx routing.Context) bool {
tag := ctx.GetInboundTag()
if len(tag) == 0 {
return false
}
for _, t := range v.tags {
if t == tag {
return true
}
}
return false
}
type ProtocolMatcher struct {
protocols []string
}
func NewProtocolMatcher(protocols []string) *ProtocolMatcher {
pCopy := make([]string, 0, len(protocols))
for _, p := range protocols {
if len(p) > 0 {
pCopy = append(pCopy, p)
}
}
return &ProtocolMatcher{
protocols: pCopy,
}
}
// Apply implements Condition.
func (m *ProtocolMatcher) Apply(ctx routing.Context) bool {
protocol := ctx.GetProtocol()
if len(protocol) == 0 {
return false
}
for _, p := range m.protocols {
if strings.HasPrefix(protocol, p) {
return true
}
}
return false
}
type AttributeMatcher struct {
program *starlark.Program
}
func NewAttributeMatcher(code string) (*AttributeMatcher, error) {
starFile, err := syntax.Parse("attr.star", "satisfied=("+code+")", 0)
if err != nil {
return nil, newError("attr rule").Base(err)
}
p, err := starlark.FileProgram(starFile, func(name string) bool {
return name == "attrs"
})
if err != nil {
return nil, err
}
return &AttributeMatcher{
program: p,
}, nil
}
// Match implements attributes matching.
func (m *AttributeMatcher) Match(attrs map[string]string) bool {
attrsDict := new(starlark.Dict)
for key, value := range attrs {
attrsDict.SetKey(starlark.String(key), starlark.String(value))
}
predefined := make(starlark.StringDict)
predefined["attrs"] = attrsDict
thread := &starlark.Thread{
Name: "matcher",
}
results, err := m.program.Init(thread, predefined)
if err != nil {
newError("attr matcher").Base(err).WriteToLog()
}
satisfied := results["satisfied"]
return satisfied != nil && bool(satisfied.Truth())
}
// Apply implements Condition.
func (m *AttributeMatcher) Apply(ctx routing.Context) bool {
attributes := ctx.GetAttributes()
if attributes == nil {
return false
}
return m.Match(attributes)
}

193
app/router/condition_geoip.go Normal file
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// +build !confonly
package router
import (
"encoding/binary"
"sort"
"github.com/xtls/xray-core/v1/common/net"
)
type ipv6 struct {
a uint64
b uint64
}
type GeoIPMatcher struct {
countryCode string
ip4 []uint32
prefix4 []uint8
ip6 []ipv6
prefix6 []uint8
}
func normalize4(ip uint32, prefix uint8) uint32 {
return (ip >> (32 - prefix)) << (32 - prefix)
}
func normalize6(ip ipv6, prefix uint8) ipv6 {
if prefix <= 64 {
ip.a = (ip.a >> (64 - prefix)) << (64 - prefix)
ip.b = 0
} else {
ip.b = (ip.b >> (128 - prefix)) << (128 - prefix)
}
return ip
}
func (m *GeoIPMatcher) Init(cidrs []*CIDR) error {
ip4Count := 0
ip6Count := 0
for _, cidr := range cidrs {
ip := cidr.Ip
switch len(ip) {
case 4:
ip4Count++
case 16:
ip6Count++
default:
return newError("unexpect ip length: ", len(ip))
}
}
cidrList := CIDRList(cidrs)
sort.Sort(&cidrList)
m.ip4 = make([]uint32, 0, ip4Count)
m.prefix4 = make([]uint8, 0, ip4Count)
m.ip6 = make([]ipv6, 0, ip6Count)
m.prefix6 = make([]uint8, 0, ip6Count)
for _, cidr := range cidrs {
ip := cidr.Ip
prefix := uint8(cidr.Prefix)
switch len(ip) {
case 4:
m.ip4 = append(m.ip4, normalize4(binary.BigEndian.Uint32(ip), prefix))
m.prefix4 = append(m.prefix4, prefix)
case 16:
ip6 := ipv6{
a: binary.BigEndian.Uint64(ip[0:8]),
b: binary.BigEndian.Uint64(ip[8:16]),
}
ip6 = normalize6(ip6, prefix)
m.ip6 = append(m.ip6, ip6)
m.prefix6 = append(m.prefix6, prefix)
}
}
return nil
}
func (m *GeoIPMatcher) match4(ip uint32) bool {
if len(m.ip4) == 0 {
return false
}
if ip < m.ip4[0] {
return false
}
size := uint32(len(m.ip4))
l := uint32(0)
r := size
for l < r {
x := ((l + r) >> 1)
if ip < m.ip4[x] {
r = x
continue
}
nip := normalize4(ip, m.prefix4[x])
if nip == m.ip4[x] {
return true
}
l = x + 1
}
return l > 0 && normalize4(ip, m.prefix4[l-1]) == m.ip4[l-1]
}
func less6(a ipv6, b ipv6) bool {
return a.a < b.a || (a.a == b.a && a.b < b.b)
}
func (m *GeoIPMatcher) match6(ip ipv6) bool {
if len(m.ip6) == 0 {
return false
}
if less6(ip, m.ip6[0]) {
return false
}
size := uint32(len(m.ip6))
l := uint32(0)
r := size
for l < r {
x := (l + r) / 2
if less6(ip, m.ip6[x]) {
r = x
continue
}
if normalize6(ip, m.prefix6[x]) == m.ip6[x] {
return true
}
l = x + 1
}
return l > 0 && normalize6(ip, m.prefix6[l-1]) == m.ip6[l-1]
}
// Match returns true if the given ip is included by the GeoIP.
func (m *GeoIPMatcher) Match(ip net.IP) bool {
switch len(ip) {
case 4:
return m.match4(binary.BigEndian.Uint32(ip))
case 16:
return m.match6(ipv6{
a: binary.BigEndian.Uint64(ip[0:8]),
b: binary.BigEndian.Uint64(ip[8:16]),
})
default:
return false
}
}
// GeoIPMatcherContainer is a container for GeoIPMatchers. It keeps unique copies of GeoIPMatcher by country code.
type GeoIPMatcherContainer struct {
matchers []*GeoIPMatcher
}
// Add adds a new GeoIP set into the container.
// If the country code of GeoIP is not empty, GeoIPMatcherContainer will try to find an existing one, instead of adding a new one.
func (c *GeoIPMatcherContainer) Add(geoip *GeoIP) (*GeoIPMatcher, error) {
if len(geoip.CountryCode) > 0 {
for _, m := range c.matchers {
if m.countryCode == geoip.CountryCode {
return m, nil
}
}
}
m := &GeoIPMatcher{
countryCode: geoip.CountryCode,
}
if err := m.Init(geoip.Cidr); err != nil {
return nil, err
}
if len(geoip.CountryCode) > 0 {
c.matchers = append(c.matchers, m)
}
return m, nil
}
var (
globalGeoIPContainer GeoIPMatcherContainer
)

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package router_test
import (
"os"
"path/filepath"
"testing"
"github.com/golang/protobuf/proto"
"github.com/xtls/xray-core/v1/app/router"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/platform"
"github.com/xtls/xray-core/v1/common/platform/filesystem"
)
func init() {
wd, err := os.Getwd()
common.Must(err)
if _, err := os.Stat(platform.GetAssetLocation("geoip.dat")); err != nil && os.IsNotExist(err) {
common.Must(filesystem.CopyFile(platform.GetAssetLocation("geoip.dat"), filepath.Join(wd, "..", "..", "release", "config", "geoip.dat")))
}
if _, err := os.Stat(platform.GetAssetLocation("geosite.dat")); err != nil && os.IsNotExist(err) {
common.Must(filesystem.CopyFile(platform.GetAssetLocation("geosite.dat"), filepath.Join(wd, "..", "..", "release", "config", "geosite.dat")))
}
}
func TestGeoIPMatcherContainer(t *testing.T) {
container := &router.GeoIPMatcherContainer{}
m1, err := container.Add(&router.GeoIP{
CountryCode: "CN",
})
common.Must(err)
m2, err := container.Add(&router.GeoIP{
CountryCode: "US",
})
common.Must(err)
m3, err := container.Add(&router.GeoIP{
CountryCode: "CN",
})
common.Must(err)
if m1 != m3 {
t.Error("expect same matcher for same geoip, but not")
}
if m1 == m2 {
t.Error("expect different matcher for different geoip, but actually same")
}
}
func TestGeoIPMatcher(t *testing.T) {
cidrList := router.CIDRList{
{Ip: []byte{0, 0, 0, 0}, Prefix: 8},
{Ip: []byte{10, 0, 0, 0}, Prefix: 8},
{Ip: []byte{100, 64, 0, 0}, Prefix: 10},
{Ip: []byte{127, 0, 0, 0}, Prefix: 8},
{Ip: []byte{169, 254, 0, 0}, Prefix: 16},
{Ip: []byte{172, 16, 0, 0}, Prefix: 12},
{Ip: []byte{192, 0, 0, 0}, Prefix: 24},
{Ip: []byte{192, 0, 2, 0}, Prefix: 24},
{Ip: []byte{192, 168, 0, 0}, Prefix: 16},
{Ip: []byte{192, 18, 0, 0}, Prefix: 15},
{Ip: []byte{198, 51, 100, 0}, Prefix: 24},
{Ip: []byte{203, 0, 113, 0}, Prefix: 24},
{Ip: []byte{8, 8, 8, 8}, Prefix: 32},
{Ip: []byte{91, 108, 4, 0}, Prefix: 16},
}
matcher := &router.GeoIPMatcher{}
common.Must(matcher.Init(cidrList))
testCases := []struct {
Input string
Output bool
}{
{
Input: "192.168.1.1",
Output: true,
},
{
Input: "192.0.0.0",
Output: true,
},
{
Input: "192.0.1.0",
Output: false,
}, {
Input: "0.1.0.0",
Output: true,
},
{
Input: "1.0.0.1",
Output: false,
},
{
Input: "8.8.8.7",
Output: false,
},
{
Input: "8.8.8.8",
Output: true,
},
{
Input: "2001:cdba::3257:9652",
Output: false,
},
{
Input: "91.108.255.254",
Output: true,
},
}
for _, testCase := range testCases {
ip := net.ParseAddress(testCase.Input).IP()
actual := matcher.Match(ip)
if actual != testCase.Output {
t.Error("expect input", testCase.Input, "to be", testCase.Output, ", but actually", actual)
}
}
}
func TestGeoIPMatcher4CN(t *testing.T) {
ips, err := loadGeoIP("CN")
common.Must(err)
matcher := &router.GeoIPMatcher{}
common.Must(matcher.Init(ips))
if matcher.Match([]byte{8, 8, 8, 8}) {
t.Error("expect CN geoip doesn't contain 8.8.8.8, but actually does")
}
}
func TestGeoIPMatcher6US(t *testing.T) {
ips, err := loadGeoIP("US")
common.Must(err)
matcher := &router.GeoIPMatcher{}
common.Must(matcher.Init(ips))
if !matcher.Match(net.ParseAddress("2001:4860:4860::8888").IP()) {
t.Error("expect US geoip contain 2001:4860:4860::8888, but actually not")
}
}
func loadGeoIP(country string) ([]*router.CIDR, error) {
geoipBytes, err := filesystem.ReadAsset("geoip.dat")
if err != nil {
return nil, err
}
var geoipList router.GeoIPList
if err := proto.Unmarshal(geoipBytes, &geoipList); err != nil {
return nil, err
}
for _, geoip := range geoipList.Entry {
if geoip.CountryCode == country {
return geoip.Cidr, nil
}
}
panic("country not found: " + country)
}
func BenchmarkGeoIPMatcher4CN(b *testing.B) {
ips, err := loadGeoIP("CN")
common.Must(err)
matcher := &router.GeoIPMatcher{}
common.Must(matcher.Init(ips))
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = matcher.Match([]byte{8, 8, 8, 8})
}
}
func BenchmarkGeoIPMatcher6US(b *testing.B) {
ips, err := loadGeoIP("US")
common.Must(err)
matcher := &router.GeoIPMatcher{}
common.Must(matcher.Init(ips))
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = matcher.Match(net.ParseAddress("2001:4860:4860::8888").IP())
}
}

446
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package router_test
import (
"os"
"path/filepath"
"strconv"
"testing"
"github.com/golang/protobuf/proto"
. "github.com/xtls/xray-core/v1/app/router"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/errors"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/platform"
"github.com/xtls/xray-core/v1/common/platform/filesystem"
"github.com/xtls/xray-core/v1/common/protocol"
"github.com/xtls/xray-core/v1/common/protocol/http"
"github.com/xtls/xray-core/v1/common/session"
"github.com/xtls/xray-core/v1/features/routing"
routing_session "github.com/xtls/xray-core/v1/features/routing/session"
)
func init() {
wd, err := os.Getwd()
common.Must(err)
if _, err := os.Stat(platform.GetAssetLocation("geoip.dat")); err != nil && os.IsNotExist(err) {
common.Must(filesystem.CopyFile(platform.GetAssetLocation("geoip.dat"), filepath.Join(wd, "..", "..", "release", "config", "geoip.dat")))
}
if _, err := os.Stat(platform.GetAssetLocation("geosite.dat")); err != nil && os.IsNotExist(err) {
common.Must(filesystem.CopyFile(platform.GetAssetLocation("geosite.dat"), filepath.Join(wd, "..", "..", "release", "config", "geosite.dat")))
}
}
func withBackground() routing.Context {
return &routing_session.Context{}
}
func withOutbound(outbound *session.Outbound) routing.Context {
return &routing_session.Context{Outbound: outbound}
}
func withInbound(inbound *session.Inbound) routing.Context {
return &routing_session.Context{Inbound: inbound}
}
func withContent(content *session.Content) routing.Context {
return &routing_session.Context{Content: content}
}
func TestRoutingRule(t *testing.T) {
type ruleTest struct {
input routing.Context
output bool
}
cases := []struct {
rule *RoutingRule
test []ruleTest
}{
{
rule: &RoutingRule{
Domain: []*Domain{
{
Value: "example.com",
Type: Domain_Plain,
},
{
Value: "google.com",
Type: Domain_Domain,
},
{
Value: "^facebook\\.com$",
Type: Domain_Regex,
},
},
},
test: []ruleTest{
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.DomainAddress("example.com"), 80)}),
output: true,
},
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.DomainAddress("www.example.com.www"), 80)}),
output: true,
},
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.DomainAddress("example.co"), 80)}),
output: false,
},
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.DomainAddress("www.google.com"), 80)}),
output: true,
},
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.DomainAddress("facebook.com"), 80)}),
output: true,
},
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.DomainAddress("www.facebook.com"), 80)}),
output: false,
},
{
input: withBackground(),
output: false,
},
},
},
{
rule: &RoutingRule{
Cidr: []*CIDR{
{
Ip: []byte{8, 8, 8, 8},
Prefix: 32,
},
{
Ip: []byte{8, 8, 8, 8},
Prefix: 32,
},
{
Ip: net.ParseAddress("2001:0db8:85a3:0000:0000:8a2e:0370:7334").IP(),
Prefix: 128,
},
},
},
test: []ruleTest{
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.ParseAddress("8.8.8.8"), 80)}),
output: true,
},
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.ParseAddress("8.8.4.4"), 80)}),
output: false,
},
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.ParseAddress("2001:0db8:85a3:0000:0000:8a2e:0370:7334"), 80)}),
output: true,
},
{
input: withBackground(),
output: false,
},
},
},
{
rule: &RoutingRule{
Geoip: []*GeoIP{
{
Cidr: []*CIDR{
{
Ip: []byte{8, 8, 8, 8},
Prefix: 32,
},
{
Ip: []byte{8, 8, 8, 8},
Prefix: 32,
},
{
Ip: net.ParseAddress("2001:0db8:85a3:0000:0000:8a2e:0370:7334").IP(),
Prefix: 128,
},
},
},
},
},
test: []ruleTest{
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.ParseAddress("8.8.8.8"), 80)}),
output: true,
},
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.ParseAddress("8.8.4.4"), 80)}),
output: false,
},
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.ParseAddress("2001:0db8:85a3:0000:0000:8a2e:0370:7334"), 80)}),
output: true,
},
{
input: withBackground(),
output: false,
},
},
},
{
rule: &RoutingRule{
SourceCidr: []*CIDR{
{
Ip: []byte{192, 168, 0, 0},
Prefix: 16,
},
},
},
test: []ruleTest{
{
input: withInbound(&session.Inbound{Source: net.TCPDestination(net.ParseAddress("192.168.0.1"), 80)}),
output: true,
},
{
input: withInbound(&session.Inbound{Source: net.TCPDestination(net.ParseAddress("10.0.0.1"), 80)}),
output: false,
},
},
},
{
rule: &RoutingRule{
UserEmail: []string{
"admin@example.com",
},
},
test: []ruleTest{
{
input: withInbound(&session.Inbound{User: &protocol.MemoryUser{Email: "admin@example.com"}}),
output: true,
},
{
input: withInbound(&session.Inbound{User: &protocol.MemoryUser{Email: "love@example.com"}}),
output: false,
},
{
input: withBackground(),
output: false,
},
},
},
{
rule: &RoutingRule{
Protocol: []string{"http"},
},
test: []ruleTest{
{
input: withContent(&session.Content{Protocol: (&http.SniffHeader{}).Protocol()}),
output: true,
},
},
},
{
rule: &RoutingRule{
InboundTag: []string{"test", "test1"},
},
test: []ruleTest{
{
input: withInbound(&session.Inbound{Tag: "test"}),
output: true,
},
{
input: withInbound(&session.Inbound{Tag: "test2"}),
output: false,
},
},
},
{
rule: &RoutingRule{
PortList: &net.PortList{
Range: []*net.PortRange{
{From: 443, To: 443},
{From: 1000, To: 1100},
},
},
},
test: []ruleTest{
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.LocalHostIP, 443)}),
output: true,
},
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.LocalHostIP, 1100)}),
output: true,
},
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.LocalHostIP, 1005)}),
output: true,
},
{
input: withOutbound(&session.Outbound{Target: net.TCPDestination(net.LocalHostIP, 53)}),
output: false,
},
},
},
{
rule: &RoutingRule{
SourcePortList: &net.PortList{
Range: []*net.PortRange{
{From: 123, To: 123},
{From: 9993, To: 9999},
},
},
},
test: []ruleTest{
{
input: withInbound(&session.Inbound{Source: net.UDPDestination(net.LocalHostIP, 123)}),
output: true,
},
{
input: withInbound(&session.Inbound{Source: net.UDPDestination(net.LocalHostIP, 9999)}),
output: true,
},
{
input: withInbound(&session.Inbound{Source: net.UDPDestination(net.LocalHostIP, 9994)}),
output: true,
},
{
input: withInbound(&session.Inbound{Source: net.UDPDestination(net.LocalHostIP, 53)}),
output: false,
},
},
},
{
rule: &RoutingRule{
Protocol: []string{"http"},
Attributes: "attrs[':path'].startswith('/test')",
},
test: []ruleTest{
{
input: withContent(&session.Content{Protocol: "http/1.1", Attributes: map[string]string{":path": "/test/1"}}),
output: true,
},
},
},
}
for _, test := range cases {
cond, err := test.rule.BuildCondition()
common.Must(err)
for _, subtest := range test.test {
actual := cond.Apply(subtest.input)
if actual != subtest.output {
t.Error("test case failed: ", subtest.input, " expected ", subtest.output, " but got ", actual)
}
}
}
}
func loadGeoSite(country string) ([]*Domain, error) {
geositeBytes, err := filesystem.ReadAsset("geosite.dat")
if err != nil {
return nil, err
}
var geositeList GeoSiteList
if err := proto.Unmarshal(geositeBytes, &geositeList); err != nil {
return nil, err
}
for _, site := range geositeList.Entry {
if site.CountryCode == country {
return site.Domain, nil
}
}
return nil, errors.New("country not found: " + country)
}
func TestChinaSites(t *testing.T) {
domains, err := loadGeoSite("CN")
common.Must(err)
matcher, err := NewDomainMatcher(domains)
common.Must(err)
type TestCase struct {
Domain string
Output bool
}
testCases := []TestCase{
{
Domain: "163.com",
Output: true,
},
{
Domain: "163.com",
Output: true,
},
{
Domain: "164.com",
Output: false,
},
{
Domain: "164.com",
Output: false,
},
}
for i := 0; i < 1024; i++ {
testCases = append(testCases, TestCase{Domain: strconv.Itoa(i) + ".not-exists.com", Output: false})
}
for _, testCase := range testCases {
r := matcher.ApplyDomain(testCase.Domain)
if r != testCase.Output {
t.Error("expected output ", testCase.Output, " for domain ", testCase.Domain, " but got ", r)
}
}
}
func BenchmarkMultiGeoIPMatcher(b *testing.B) {
var geoips []*GeoIP
{
ips, err := loadGeoIP("CN")
common.Must(err)
geoips = append(geoips, &GeoIP{
CountryCode: "CN",
Cidr: ips,
})
}
{
ips, err := loadGeoIP("JP")
common.Must(err)
geoips = append(geoips, &GeoIP{
CountryCode: "JP",
Cidr: ips,
})
}
{
ips, err := loadGeoIP("CA")
common.Must(err)
geoips = append(geoips, &GeoIP{
CountryCode: "CA",
Cidr: ips,
})
}
{
ips, err := loadGeoIP("US")
common.Must(err)
geoips = append(geoips, &GeoIP{
CountryCode: "US",
Cidr: ips,
})
}
matcher, err := NewMultiGeoIPMatcher(geoips, false)
common.Must(err)
ctx := withOutbound(&session.Outbound{Target: net.TCPDestination(net.ParseAddress("8.8.8.8"), 80)})
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = matcher.Apply(ctx)
}
}

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// +build !confonly
package router
import (
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/features/outbound"
"github.com/xtls/xray-core/v1/features/routing"
)
// CIDRList is an alias of []*CIDR to provide sort.Interface.
type CIDRList []*CIDR
// Len implements sort.Interface.
func (l *CIDRList) Len() int {
return len(*l)
}
// Less implements sort.Interface.
func (l *CIDRList) Less(i int, j int) bool {
ci := (*l)[i]
cj := (*l)[j]
if len(ci.Ip) < len(cj.Ip) {
return true
}
if len(ci.Ip) > len(cj.Ip) {
return false
}
for k := 0; k < len(ci.Ip); k++ {
if ci.Ip[k] < cj.Ip[k] {
return true
}
if ci.Ip[k] > cj.Ip[k] {
return false
}
}
return ci.Prefix < cj.Prefix
}
// Swap implements sort.Interface.
func (l *CIDRList) Swap(i int, j int) {
(*l)[i], (*l)[j] = (*l)[j], (*l)[i]
}
type Rule struct {
Tag string
Balancer *Balancer
Condition Condition
}
func (r *Rule) GetTag() (string, error) {
if r.Balancer != nil {
return r.Balancer.PickOutbound()
}
return r.Tag, nil
}
// Apply checks rule matching of current routing context.
func (r *Rule) Apply(ctx routing.Context) bool {
return r.Condition.Apply(ctx)
}
func (rr *RoutingRule) BuildCondition() (Condition, error) {
conds := NewConditionChan()
if len(rr.Domain) > 0 {
matcher, err := NewDomainMatcher(rr.Domain)
if err != nil {
return nil, newError("failed to build domain condition").Base(err)
}
conds.Add(matcher)
}
if len(rr.UserEmail) > 0 {
conds.Add(NewUserMatcher(rr.UserEmail))
}
if len(rr.InboundTag) > 0 {
conds.Add(NewInboundTagMatcher(rr.InboundTag))
}
if rr.PortList != nil {
conds.Add(NewPortMatcher(rr.PortList, false))
} else if rr.PortRange != nil {
conds.Add(NewPortMatcher(&net.PortList{Range: []*net.PortRange{rr.PortRange}}, false))
}
if rr.SourcePortList != nil {
conds.Add(NewPortMatcher(rr.SourcePortList, true))
}
if len(rr.Networks) > 0 {
conds.Add(NewNetworkMatcher(rr.Networks))
} else if rr.NetworkList != nil {
conds.Add(NewNetworkMatcher(rr.NetworkList.Network))
}
if len(rr.Geoip) > 0 {
cond, err := NewMultiGeoIPMatcher(rr.Geoip, false)
if err != nil {
return nil, err
}
conds.Add(cond)
} else if len(rr.Cidr) > 0 {
cond, err := NewMultiGeoIPMatcher([]*GeoIP{{Cidr: rr.Cidr}}, false)
if err != nil {
return nil, err
}
conds.Add(cond)
}
if len(rr.SourceGeoip) > 0 {
cond, err := NewMultiGeoIPMatcher(rr.SourceGeoip, true)
if err != nil {
return nil, err
}
conds.Add(cond)
} else if len(rr.SourceCidr) > 0 {
cond, err := NewMultiGeoIPMatcher([]*GeoIP{{Cidr: rr.SourceCidr}}, true)
if err != nil {
return nil, err
}
conds.Add(cond)
}
if len(rr.Protocol) > 0 {
conds.Add(NewProtocolMatcher(rr.Protocol))
}
if len(rr.Attributes) > 0 {
cond, err := NewAttributeMatcher(rr.Attributes)
if err != nil {
return nil, err
}
conds.Add(cond)
}
if conds.Len() == 0 {
return nil, newError("this rule has no effective fields").AtWarning()
}
return conds, nil
}
func (br *BalancingRule) Build(ohm outbound.Manager) (*Balancer, error) {
return &Balancer{
selectors: br.OutboundSelector,
strategy: &RandomStrategy{},
ohm: ohm,
}, nil
}

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syntax = "proto3";
package xray.app.router;
option csharp_namespace = "Xray.App.Router";
option go_package = "github.com/xtls/xray-core/v1/app/router";
option java_package = "com.xray.app.router";
option java_multiple_files = true;
import "common/net/port.proto";
import "common/net/network.proto";
// Domain for routing decision.
message Domain {
// Type of domain value.
enum Type {
// The value is used as is.
Plain = 0;
// The value is used as a regular expression.
Regex = 1;
// The value is a root domain.
Domain = 2;
// The value is a domain.
Full = 3;
}
// Domain matching type.
Type type = 1;
// Domain value.
string value = 2;
message Attribute {
string key = 1;
oneof typed_value {
bool bool_value = 2;
int64 int_value = 3;
}
}
// Attributes of this domain. May be used for filtering.
repeated Attribute attribute = 3;
}
// IP for routing decision, in CIDR form.
message CIDR {
// IP address, should be either 4 or 16 bytes.
bytes ip = 1;
// Number of leading ones in the network mask.
uint32 prefix = 2;
}
message GeoIP {
string country_code = 1;
repeated CIDR cidr = 2;
}
message GeoIPList {
repeated GeoIP entry = 1;
}
message GeoSite {
string country_code = 1;
repeated Domain domain = 2;
}
message GeoSiteList {
repeated GeoSite entry = 1;
}
message RoutingRule {
oneof target_tag {
// Tag of outbound that this rule is pointing to.
string tag = 1;
// Tag of routing balancer.
string balancing_tag = 12;
}
// List of domains for target domain matching.
repeated Domain domain = 2;
// List of CIDRs for target IP address matching.
// Deprecated. Use geoip below.
repeated CIDR cidr = 3 [deprecated = true];
// List of GeoIPs for target IP address matching. If this entry exists, the
// cidr above will have no effect. GeoIP fields with the same country code are
// supposed to contain exactly same content. They will be merged during
// runtime. For customized GeoIPs, please leave country code empty.
repeated GeoIP geoip = 10;
// A range of port [from, to]. If the destination port is in this range, this
// rule takes effect. Deprecated. Use port_list.
xray.common.net.PortRange port_range = 4 [deprecated = true];
// List of ports.
xray.common.net.PortList port_list = 14;
// List of networks. Deprecated. Use networks.
xray.common.net.NetworkList network_list = 5 [deprecated = true];
// List of networks for matching.
repeated xray.common.net.Network networks = 13;
// List of CIDRs for source IP address matching.
repeated CIDR source_cidr = 6 [deprecated = true];
// List of GeoIPs for source IP address matching. If this entry exists, the
// source_cidr above will have no effect.
repeated GeoIP source_geoip = 11;
// List of ports for source port matching.
xray.common.net.PortList source_port_list = 16;
repeated string user_email = 7;
repeated string inbound_tag = 8;
repeated string protocol = 9;
string attributes = 15;
}
message BalancingRule {
string tag = 1;
repeated string outbound_selector = 2;
}
message Config {
enum DomainStrategy {
// Use domain as is.
AsIs = 0;
// Always resolve IP for domains.
UseIp = 1;
// Resolve to IP if the domain doesn't match any rules.
IpIfNonMatch = 2;
// Resolve to IP if any rule requires IP matching.
IpOnDemand = 3;
}
DomainStrategy domain_strategy = 1;
repeated RoutingRule rule = 2;
repeated BalancingRule balancing_rule = 3;
}

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package router
import "github.com/xtls/xray-core/v1/common/errors"
type errPathObjHolder struct{}
func newError(values ...interface{}) *errors.Error {
return errors.New(values...).WithPathObj(errPathObjHolder{})
}

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// +build !confonly
package router
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"context"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/core"
"github.com/xtls/xray-core/v1/features/dns"
"github.com/xtls/xray-core/v1/features/outbound"
"github.com/xtls/xray-core/v1/features/routing"
routing_dns "github.com/xtls/xray-core/v1/features/routing/dns"
)
// Router is an implementation of routing.Router.
type Router struct {
domainStrategy Config_DomainStrategy
rules []*Rule
balancers map[string]*Balancer
dns dns.Client
}
// Route is an implementation of routing.Route.
type Route struct {
routing.Context
outboundGroupTags []string
outboundTag string
}
// Init initializes the Router.
func (r *Router) Init(config *Config, d dns.Client, ohm outbound.Manager) error {
r.domainStrategy = config.DomainStrategy
r.dns = d
r.balancers = make(map[string]*Balancer, len(config.BalancingRule))
for _, rule := range config.BalancingRule {
balancer, err := rule.Build(ohm)
if err != nil {
return err
}
r.balancers[rule.Tag] = balancer
}
r.rules = make([]*Rule, 0, len(config.Rule))
for _, rule := range config.Rule {
cond, err := rule.BuildCondition()
if err != nil {
return err
}
rr := &Rule{
Condition: cond,
Tag: rule.GetTag(),
}
btag := rule.GetBalancingTag()
if len(btag) > 0 {
brule, found := r.balancers[btag]
if !found {
return newError("balancer ", btag, " not found")
}
rr.Balancer = brule
}
r.rules = append(r.rules, rr)
}
return nil
}
// PickRoute implements routing.Router.
func (r *Router) PickRoute(ctx routing.Context) (routing.Route, error) {
rule, ctx, err := r.pickRouteInternal(ctx)
if err != nil {
return nil, err
}
tag, err := rule.GetTag()
if err != nil {
return nil, err
}
return &Route{Context: ctx, outboundTag: tag}, nil
}
func (r *Router) pickRouteInternal(ctx routing.Context) (*Rule, routing.Context, error) {
if r.domainStrategy == Config_IpOnDemand {
ctx = routing_dns.ContextWithDNSClient(ctx, r.dns)
}
for _, rule := range r.rules {
if rule.Apply(ctx) {
return rule, ctx, nil
}
}
if r.domainStrategy != Config_IpIfNonMatch || len(ctx.GetTargetDomain()) == 0 {
return nil, ctx, common.ErrNoClue
}
ctx = routing_dns.ContextWithDNSClient(ctx, r.dns)
// Try applying rules again if we have IPs.
for _, rule := range r.rules {
if rule.Apply(ctx) {
return rule, ctx, nil
}
}
return nil, ctx, common.ErrNoClue
}
// Start implements common.Runnable.
func (*Router) Start() error {
return nil
}
// Close implements common.Closable.
func (*Router) Close() error {
return nil
}
// Type implement common.HasType.
func (*Router) Type() interface{} {
return routing.RouterType()
}
// GetOutboundGroupTags implements routing.Route.
func (r *Route) GetOutboundGroupTags() []string {
return r.outboundGroupTags
}
// GetOutboundTag implements routing.Route.
func (r *Route) GetOutboundTag() string {
return r.outboundTag
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
r := new(Router)
if err := core.RequireFeatures(ctx, func(d dns.Client, ohm outbound.Manager) error {
return r.Init(config.(*Config), d, ohm)
}); err != nil {
return nil, err
}
return r, nil
}))
}

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app/router/router_test.go Normal file
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package router_test
import (
"context"
"testing"
"github.com/golang/mock/gomock"
. "github.com/xtls/xray-core/v1/app/router"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/net"
"github.com/xtls/xray-core/v1/common/session"
"github.com/xtls/xray-core/v1/features/outbound"
routing_session "github.com/xtls/xray-core/v1/features/routing/session"
"github.com/xtls/xray-core/v1/testing/mocks"
)
type mockOutboundManager struct {
outbound.Manager
outbound.HandlerSelector
}
func TestSimpleRouter(t *testing.T) {
config := &Config{
Rule: []*RoutingRule{
{
TargetTag: &RoutingRule_Tag{
Tag: "test",
},
Networks: []net.Network{net.Network_TCP},
},
},
}
mockCtl := gomock.NewController(t)
defer mockCtl.Finish()
mockDNS := mocks.NewDNSClient(mockCtl)
mockOhm := mocks.NewOutboundManager(mockCtl)
mockHs := mocks.NewOutboundHandlerSelector(mockCtl)
r := new(Router)
common.Must(r.Init(config, mockDNS, &mockOutboundManager{
Manager: mockOhm,
HandlerSelector: mockHs,
}))
ctx := session.ContextWithOutbound(context.Background(), &session.Outbound{Target: net.TCPDestination(net.DomainAddress("example.com"), 80)})
route, err := r.PickRoute(routing_session.AsRoutingContext(ctx))
common.Must(err)
if tag := route.GetOutboundTag(); tag != "test" {
t.Error("expect tag 'test', bug actually ", tag)
}
}
func TestSimpleBalancer(t *testing.T) {
config := &Config{
Rule: []*RoutingRule{
{
TargetTag: &RoutingRule_BalancingTag{
BalancingTag: "balance",
},
Networks: []net.Network{net.Network_TCP},
},
},
BalancingRule: []*BalancingRule{
{
Tag: "balance",
OutboundSelector: []string{"test-"},
},
},
}
mockCtl := gomock.NewController(t)
defer mockCtl.Finish()
mockDNS := mocks.NewDNSClient(mockCtl)
mockOhm := mocks.NewOutboundManager(mockCtl)
mockHs := mocks.NewOutboundHandlerSelector(mockCtl)
mockHs.EXPECT().Select(gomock.Eq([]string{"test-"})).Return([]string{"test"})
r := new(Router)
common.Must(r.Init(config, mockDNS, &mockOutboundManager{
Manager: mockOhm,
HandlerSelector: mockHs,
}))
ctx := session.ContextWithOutbound(context.Background(), &session.Outbound{Target: net.TCPDestination(net.DomainAddress("example.com"), 80)})
route, err := r.PickRoute(routing_session.AsRoutingContext(ctx))
common.Must(err)
if tag := route.GetOutboundTag(); tag != "test" {
t.Error("expect tag 'test', bug actually ", tag)
}
}
func TestIPOnDemand(t *testing.T) {
config := &Config{
DomainStrategy: Config_IpOnDemand,
Rule: []*RoutingRule{
{
TargetTag: &RoutingRule_Tag{
Tag: "test",
},
Cidr: []*CIDR{
{
Ip: []byte{192, 168, 0, 0},
Prefix: 16,
},
},
},
},
}
mockCtl := gomock.NewController(t)
defer mockCtl.Finish()
mockDNS := mocks.NewDNSClient(mockCtl)
mockDNS.EXPECT().LookupIP(gomock.Eq("example.com")).Return([]net.IP{{192, 168, 0, 1}}, nil).AnyTimes()
r := new(Router)
common.Must(r.Init(config, mockDNS, nil))
ctx := session.ContextWithOutbound(context.Background(), &session.Outbound{Target: net.TCPDestination(net.DomainAddress("example.com"), 80)})
route, err := r.PickRoute(routing_session.AsRoutingContext(ctx))
common.Must(err)
if tag := route.GetOutboundTag(); tag != "test" {
t.Error("expect tag 'test', bug actually ", tag)
}
}
func TestIPIfNonMatchDomain(t *testing.T) {
config := &Config{
DomainStrategy: Config_IpIfNonMatch,
Rule: []*RoutingRule{
{
TargetTag: &RoutingRule_Tag{
Tag: "test",
},
Cidr: []*CIDR{
{
Ip: []byte{192, 168, 0, 0},
Prefix: 16,
},
},
},
},
}
mockCtl := gomock.NewController(t)
defer mockCtl.Finish()
mockDNS := mocks.NewDNSClient(mockCtl)
mockDNS.EXPECT().LookupIP(gomock.Eq("example.com")).Return([]net.IP{{192, 168, 0, 1}}, nil).AnyTimes()
r := new(Router)
common.Must(r.Init(config, mockDNS, nil))
ctx := session.ContextWithOutbound(context.Background(), &session.Outbound{Target: net.TCPDestination(net.DomainAddress("example.com"), 80)})
route, err := r.PickRoute(routing_session.AsRoutingContext(ctx))
common.Must(err)
if tag := route.GetOutboundTag(); tag != "test" {
t.Error("expect tag 'test', bug actually ", tag)
}
}
func TestIPIfNonMatchIP(t *testing.T) {
config := &Config{
DomainStrategy: Config_IpIfNonMatch,
Rule: []*RoutingRule{
{
TargetTag: &RoutingRule_Tag{
Tag: "test",
},
Cidr: []*CIDR{
{
Ip: []byte{127, 0, 0, 0},
Prefix: 8,
},
},
},
},
}
mockCtl := gomock.NewController(t)
defer mockCtl.Finish()
mockDNS := mocks.NewDNSClient(mockCtl)
r := new(Router)
common.Must(r.Init(config, mockDNS, nil))
ctx := session.ContextWithOutbound(context.Background(), &session.Outbound{Target: net.TCPDestination(net.LocalHostIP, 80)})
route, err := r.PickRoute(routing_session.AsRoutingContext(ctx))
common.Must(err)
if tag := route.GetOutboundTag(); tag != "test" {
t.Error("expect tag 'test', bug actually ", tag)
}
}

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// +build !confonly
package stats
import (
"context"
"sync"
"github.com/xtls/xray-core/v1/common"
)
// Channel is an implementation of stats.Channel.
type Channel struct {
channel chan channelMessage
subscribers []chan interface{}
// Synchronization components
access sync.RWMutex
closed chan struct{}
// Channel options
blocking bool // Set blocking state if channel buffer reaches limit
bufferSize int // Set to 0 as no buffering
subsLimit int // Set to 0 as no subscriber limit
}
// NewChannel creates an instance of Statistics Channel.
func NewChannel(config *ChannelConfig) *Channel {
return &Channel{
channel: make(chan channelMessage, config.BufferSize),
subsLimit: int(config.SubscriberLimit),
bufferSize: int(config.BufferSize),
blocking: config.Blocking,
}
}
// Subscribers implements stats.Channel.
func (c *Channel) Subscribers() []chan interface{} {
c.access.RLock()
defer c.access.RUnlock()
return c.subscribers
}
// Subscribe implements stats.Channel.
func (c *Channel) Subscribe() (chan interface{}, error) {
c.access.Lock()
defer c.access.Unlock()
if c.subsLimit > 0 && len(c.subscribers) >= c.subsLimit {
return nil, newError("Number of subscribers has reached limit")
}
subscriber := make(chan interface{}, c.bufferSize)
c.subscribers = append(c.subscribers, subscriber)
return subscriber, nil
}
// Unsubscribe implements stats.Channel.
func (c *Channel) Unsubscribe(subscriber chan interface{}) error {
c.access.Lock()
defer c.access.Unlock()
for i, s := range c.subscribers {
if s == subscriber {
// Copy to new memory block to prevent modifying original data
subscribers := make([]chan interface{}, len(c.subscribers)-1)
copy(subscribers[:i], c.subscribers[:i])
copy(subscribers[i:], c.subscribers[i+1:])
c.subscribers = subscribers
}
}
return nil
}
// Publish implements stats.Channel.
func (c *Channel) Publish(ctx context.Context, msg interface{}) {
select { // Early exit if channel closed
case <-c.closed:
return
default:
pub := channelMessage{context: ctx, message: msg}
if c.blocking {
pub.publish(c.channel)
} else {
pub.publishNonBlocking(c.channel)
}
}
}
// Running returns whether the channel is running.
func (c *Channel) Running() bool {
select {
case <-c.closed: // Channel closed
default: // Channel running or not initialized
if c.closed != nil { // Channel initialized
return true
}
}
return false
}
// Start implements common.Runnable.
func (c *Channel) Start() error {
c.access.Lock()
defer c.access.Unlock()
if !c.Running() {
c.closed = make(chan struct{}) // Reset close signal
go func() {
for {
select {
case pub := <-c.channel: // Published message received
for _, sub := range c.Subscribers() { // Concurrency-safe subscribers retrievement
if c.blocking {
pub.broadcast(sub)
} else {
pub.broadcastNonBlocking(sub)
}
}
case <-c.closed: // Channel closed
for _, sub := range c.Subscribers() { // Remove all subscribers
common.Must(c.Unsubscribe(sub))
close(sub)
}
return
}
}
}()
}
return nil
}
// Close implements common.Closable.
func (c *Channel) Close() error {
c.access.Lock()
defer c.access.Unlock()
if c.Running() {
close(c.closed) // Send closed signal
}
return nil
}
// channelMessage is the published message with guaranteed delivery.
// message is discarded only when the context is early cancelled.
type channelMessage struct {
context context.Context
message interface{}
}
func (c channelMessage) publish(publisher chan channelMessage) {
select {
case publisher <- c:
case <-c.context.Done():
}
}
func (c channelMessage) publishNonBlocking(publisher chan channelMessage) {
select {
case publisher <- c:
default: // Create another goroutine to keep sending message
go c.publish(publisher)
}
}
func (c channelMessage) broadcast(subscriber chan interface{}) {
select {
case subscriber <- c.message:
case <-c.context.Done():
}
}
func (c channelMessage) broadcastNonBlocking(subscriber chan interface{}) {
select {
case subscriber <- c.message:
default: // Create another goroutine to keep sending message
go c.broadcast(subscriber)
}
}

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package stats_test
import (
"context"
"fmt"
"testing"
"time"
. "github.com/xtls/xray-core/v1/app/stats"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/features/stats"
)
func TestStatsChannel(t *testing.T) {
// At most 2 subscribers could be registered
c := NewChannel(&ChannelConfig{SubscriberLimit: 2, Blocking: true})
a, err := stats.SubscribeRunnableChannel(c)
common.Must(err)
if !c.Running() {
t.Fatal("unexpected failure in running channel after first subscription")
}
b, err := c.Subscribe()
common.Must(err)
// Test that third subscriber is forbidden
_, err = c.Subscribe()
if err == nil {
t.Fatal("unexpected successful subscription")
}
t.Log("expected error: ", err)
stopCh := make(chan struct{})
errCh := make(chan string)
go func() {
c.Publish(context.Background(), 1)
c.Publish(context.Background(), 2)
c.Publish(context.Background(), "3")
c.Publish(context.Background(), []int{4})
stopCh <- struct{}{}
}()
go func() {
if v, ok := (<-a).(int); !ok || v != 1 {
errCh <- fmt.Sprint("unexpected receiving: ", v, ", wanted ", 1)
}
if v, ok := (<-a).(int); !ok || v != 2 {
errCh <- fmt.Sprint("unexpected receiving: ", v, ", wanted ", 2)
}
if v, ok := (<-a).(string); !ok || v != "3" {
errCh <- fmt.Sprint("unexpected receiving: ", v, ", wanted ", "3")
}
if v, ok := (<-a).([]int); !ok || v[0] != 4 {
errCh <- fmt.Sprint("unexpected receiving: ", v, ", wanted ", []int{4})
}
stopCh <- struct{}{}
}()
go func() {
if v, ok := (<-b).(int); !ok || v != 1 {
errCh <- fmt.Sprint("unexpected receiving: ", v, ", wanted ", 1)
}
if v, ok := (<-b).(int); !ok || v != 2 {
errCh <- fmt.Sprint("unexpected receiving: ", v, ", wanted ", 2)
}
if v, ok := (<-b).(string); !ok || v != "3" {
errCh <- fmt.Sprint("unexpected receiving: ", v, ", wanted ", "3")
}
if v, ok := (<-b).([]int); !ok || v[0] != 4 {
errCh <- fmt.Sprint("unexpected receiving: ", v, ", wanted ", []int{4})
}
stopCh <- struct{}{}
}()
timeout := time.After(2 * time.Second)
for i := 0; i < 3; i++ {
select {
case <-timeout:
t.Fatal("Test timeout after 2s")
case e := <-errCh:
t.Fatal(e)
case <-stopCh:
}
}
// Test the unsubscription of channel
common.Must(c.Unsubscribe(b))
// Test the last subscriber will close channel with `UnsubscribeClosableChannel`
common.Must(stats.UnsubscribeClosableChannel(c, a))
if c.Running() {
t.Fatal("unexpected running channel after unsubscribing the last subscriber")
}
}
func TestStatsChannelUnsubcribe(t *testing.T) {
c := NewChannel(&ChannelConfig{Blocking: true})
common.Must(c.Start())
defer c.Close()
a, err := c.Subscribe()
common.Must(err)
defer c.Unsubscribe(a)
b, err := c.Subscribe()
common.Must(err)
pauseCh := make(chan struct{})
stopCh := make(chan struct{})
errCh := make(chan string)
{
var aSet, bSet bool
for _, s := range c.Subscribers() {
if s == a {
aSet = true
}
if s == b {
bSet = true
}
}
if !(aSet && bSet) {
t.Fatal("unexpected subscribers: ", c.Subscribers())
}
}
go func() { // Blocking publish
c.Publish(context.Background(), 1)
<-pauseCh // Wait for `b` goroutine to resume sending message
c.Publish(context.Background(), 2)
}()
go func() {
if v, ok := (<-a).(int); !ok || v != 1 {
errCh <- fmt.Sprint("unexpected receiving: ", v, ", wanted ", 1)
}
if v, ok := (<-a).(int); !ok || v != 2 {
errCh <- fmt.Sprint("unexpected receiving: ", v, ", wanted ", 2)
}
}()
go func() {
if v, ok := (<-b).(int); !ok || v != 1 {
errCh <- fmt.Sprint("unexpected receiving: ", v, ", wanted ", 1)
}
// Unsubscribe `b` while publishing is paused
c.Unsubscribe(b)
{ // Test `b` is not in subscribers
var aSet, bSet bool
for _, s := range c.Subscribers() {
if s == a {
aSet = true
}
if s == b {
bSet = true
}
}
if !(aSet && !bSet) {
errCh <- fmt.Sprint("unexpected subscribers: ", c.Subscribers())
}
}
// Resume publishing progress
close(pauseCh)
// Test `b` is neither closed nor able to receive any data
select {
case v, ok := <-b:
if ok {
errCh <- fmt.Sprint("unexpected data received: ", v)
} else {
errCh <- fmt.Sprint("unexpected closed channel: ", b)
}
default:
}
close(stopCh)
}()
select {
case <-time.After(2 * time.Second):
t.Fatal("Test timeout after 2s")
case e := <-errCh:
t.Fatal(e)
case <-stopCh:
}
}
func TestStatsChannelBlocking(t *testing.T) {
// Do not use buffer so as to create blocking scenario
c := NewChannel(&ChannelConfig{BufferSize: 0, Blocking: true})
common.Must(c.Start())
defer c.Close()
a, err := c.Subscribe()
common.Must(err)
defer c.Unsubscribe(a)
pauseCh := make(chan struct{})
stopCh := make(chan struct{})
errCh := make(chan string)
ctx, cancel := context.WithCancel(context.Background())
// Test blocking channel publishing
go func() {
// Dummy messsage with no subscriber receiving, will block broadcasting goroutine
c.Publish(context.Background(), nil)
<-pauseCh
// Publishing should be blocked here, for last message was not cleared and buffer was full
c.Publish(context.Background(), nil)
pauseCh <- struct{}{}
// Publishing should still be blocked here
c.Publish(ctx, nil)
// Check publishing is done because context is canceled
select {
case <-ctx.Done():
if ctx.Err() != context.Canceled {
errCh <- fmt.Sprint("unexpected error: ", ctx.Err())
}
default:
errCh <- "unexpected non-blocked publishing"
}
close(stopCh)
}()
go func() {
pauseCh <- struct{}{}
select {
case <-pauseCh:
errCh <- "unexpected non-blocked publishing"
case <-time.After(100 * time.Millisecond):
}
// Receive first published message
<-a
select {
case <-pauseCh:
case <-time.After(100 * time.Millisecond):
errCh <- "unexpected blocking publishing"
}
// Manually cancel the context to end publishing
cancel()
}()
select {
case <-time.After(2 * time.Second):
t.Fatal("Test timeout after 2s")
case e := <-errCh:
t.Fatal(e)
case <-stopCh:
}
}
func TestStatsChannelNonBlocking(t *testing.T) {
// Do not use buffer so as to create blocking scenario
c := NewChannel(&ChannelConfig{BufferSize: 0, Blocking: false})
common.Must(c.Start())
defer c.Close()
a, err := c.Subscribe()
common.Must(err)
defer c.Unsubscribe(a)
pauseCh := make(chan struct{})
stopCh := make(chan struct{})
errCh := make(chan string)
ctx, cancel := context.WithCancel(context.Background())
// Test blocking channel publishing
go func() {
c.Publish(context.Background(), nil)
c.Publish(context.Background(), nil)
pauseCh <- struct{}{}
<-pauseCh
c.Publish(ctx, nil)
c.Publish(ctx, nil)
// Check publishing is done because context is canceled
select {
case <-ctx.Done():
if ctx.Err() != context.Canceled {
errCh <- fmt.Sprint("unexpected error: ", ctx.Err())
}
case <-time.After(100 * time.Millisecond):
errCh <- "unexpected non-cancelled publishing"
}
}()
go func() {
// Check publishing won't block even if there is no subscriber receiving message
select {
case <-pauseCh:
case <-time.After(100 * time.Millisecond):
errCh <- "unexpected blocking publishing"
}
// Receive first and second published message
<-a
<-a
pauseCh <- struct{}{}
// Manually cancel the context to end publishing
cancel()
// Check third and forth published message is cancelled and cannot receive
<-time.After(100 * time.Millisecond)
select {
case <-a:
errCh <- "unexpected non-cancelled publishing"
default:
}
select {
case <-a:
errCh <- "unexpected non-cancelled publishing"
default:
}
close(stopCh)
}()
select {
case <-time.After(2 * time.Second):
t.Fatal("Test timeout after 2s")
case e := <-errCh:
t.Fatal(e)
case <-stopCh:
}
}
func TestStatsChannelConcurrency(t *testing.T) {
// Do not use buffer so as to create blocking scenario
c := NewChannel(&ChannelConfig{BufferSize: 0, Blocking: true})
common.Must(c.Start())
defer c.Close()
a, err := c.Subscribe()
common.Must(err)
defer c.Unsubscribe(a)
b, err := c.Subscribe()
common.Must(err)
defer c.Unsubscribe(b)
stopCh := make(chan struct{})
errCh := make(chan string)
go func() { // Blocking publish
c.Publish(context.Background(), 1)
c.Publish(context.Background(), 2)
}()
go func() {
if v, ok := (<-a).(int); !ok || v != 1 {
errCh <- fmt.Sprint("unexpected receiving: ", v, ", wanted ", 1)
}
if v, ok := (<-a).(int); !ok || v != 2 {
errCh <- fmt.Sprint("unexpected receiving: ", v, ", wanted ", 2)
}
}()
go func() {
// Block `b` for a time so as to ensure source channel is trying to send message to `b`.
<-time.After(25 * time.Millisecond)
// This causes concurrency scenario: unsubscribe `b` while trying to send message to it
c.Unsubscribe(b)
// Test `b` is not closed and can still receive data 1:
// Because unsubscribe won't affect the ongoing process of sending message.
select {
case v, ok := <-b:
if v1, ok1 := v.(int); !(ok && ok1 && v1 == 1) {
errCh <- fmt.Sprint("unexpected failure in receiving data: ", 1)
}
default:
errCh <- fmt.Sprint("unexpected block from receiving data: ", 1)
}
// Test `b` is not closed but cannot receive data 2:
// Because in a new round of messaging, `b` has been unsubscribed.
select {
case v, ok := <-b:
if ok {
errCh <- fmt.Sprint("unexpected receiving: ", v)
} else {
errCh <- "unexpected closing of channel"
}
default:
}
close(stopCh)
}()
select {
case <-time.After(2 * time.Second):
t.Fatal("Test timeout after 2s")
case e := <-errCh:
t.Fatal(e)
case <-stopCh:
}
}

127
app/stats/command/command.go Normal file
View file

@ -0,0 +1,127 @@
// +build !confonly
package command
//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
import (
"context"
"runtime"
"time"
grpc "google.golang.org/grpc"
"github.com/xtls/xray-core/v1/app/stats"
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/common/strmatcher"
"github.com/xtls/xray-core/v1/core"
feature_stats "github.com/xtls/xray-core/v1/features/stats"
)
// statsServer is an implementation of StatsService.
type statsServer struct {
stats feature_stats.Manager
startTime time.Time
}
func NewStatsServer(manager feature_stats.Manager) StatsServiceServer {
return &statsServer{
stats: manager,
startTime: time.Now(),
}
}
func (s *statsServer) GetStats(ctx context.Context, request *GetStatsRequest) (*GetStatsResponse, error) {
c := s.stats.GetCounter(request.Name)
if c == nil {
return nil, newError(request.Name, " not found.")
}
var value int64
if request.Reset_ {
value = c.Set(0)
} else {
value = c.Value()
}
return &GetStatsResponse{
Stat: &Stat{
Name: request.Name,
Value: value,
},
}, nil
}
func (s *statsServer) QueryStats(ctx context.Context, request *QueryStatsRequest) (*QueryStatsResponse, error) {
matcher, err := strmatcher.Substr.New(request.Pattern)
if err != nil {
return nil, err
}
response := &QueryStatsResponse{}
manager, ok := s.stats.(*stats.Manager)
if !ok {
return nil, newError("QueryStats only works its own stats.Manager.")
}
manager.VisitCounters(func(name string, c feature_stats.Counter) bool {
if matcher.Match(name) {
var value int64
if request.Reset_ {
value = c.Set(0)
} else {
value = c.Value()
}
response.Stat = append(response.Stat, &Stat{
Name: name,
Value: value,
})
}
return true
})
return response, nil
}
func (s *statsServer) GetSysStats(ctx context.Context, request *SysStatsRequest) (*SysStatsResponse, error) {
var rtm runtime.MemStats
runtime.ReadMemStats(&rtm)
uptime := time.Since(s.startTime)
response := &SysStatsResponse{
Uptime: uint32(uptime.Seconds()),
NumGoroutine: uint32(runtime.NumGoroutine()),
Alloc: rtm.Alloc,
TotalAlloc: rtm.TotalAlloc,
Sys: rtm.Sys,
Mallocs: rtm.Mallocs,
Frees: rtm.Frees,
LiveObjects: rtm.Mallocs - rtm.Frees,
NumGC: rtm.NumGC,
PauseTotalNs: rtm.PauseTotalNs,
}
return response, nil
}
func (s *statsServer) mustEmbedUnimplementedStatsServiceServer() {}
type service struct {
statsManager feature_stats.Manager
}
func (s *service) Register(server *grpc.Server) {
RegisterStatsServiceServer(server, NewStatsServer(s.statsManager))
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, cfg interface{}) (interface{}, error) {
s := new(service)
core.RequireFeatures(ctx, func(sm feature_stats.Manager) {
s.statsManager = sm
})
return s, nil
}))
}

720
app/stats/command/command.pb.go Normal file
View file

@ -0,0 +1,720 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.14.0
// source: app/stats/command/command.proto
package command
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 GetStatsRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Name of the stat counter.
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
// Whether or not to reset the counter to fetching its value.
Reset_ bool `protobuf:"varint,2,opt,name=reset,proto3" json:"reset,omitempty"`
}
func (x *GetStatsRequest) Reset() {
*x = GetStatsRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_app_stats_command_command_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetStatsRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetStatsRequest) ProtoMessage() {}
func (x *GetStatsRequest) ProtoReflect() protoreflect.Message {
mi := &file_app_stats_command_command_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 GetStatsRequest.ProtoReflect.Descriptor instead.
func (*GetStatsRequest) Descriptor() ([]byte, []int) {
return file_app_stats_command_command_proto_rawDescGZIP(), []int{0}
}
func (x *GetStatsRequest) GetName() string {
if x != nil {
return x.Name
}
return ""
}
func (x *GetStatsRequest) GetReset_() bool {
if x != nil {
return x.Reset_
}
return false
}
type Stat struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
Value int64 `protobuf:"varint,2,opt,name=value,proto3" json:"value,omitempty"`
}
func (x *Stat) Reset() {
*x = Stat{}
if protoimpl.UnsafeEnabled {
mi := &file_app_stats_command_command_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Stat) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Stat) ProtoMessage() {}
func (x *Stat) ProtoReflect() protoreflect.Message {
mi := &file_app_stats_command_command_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 Stat.ProtoReflect.Descriptor instead.
func (*Stat) Descriptor() ([]byte, []int) {
return file_app_stats_command_command_proto_rawDescGZIP(), []int{1}
}
func (x *Stat) GetName() string {
if x != nil {
return x.Name
}
return ""
}
func (x *Stat) GetValue() int64 {
if x != nil {
return x.Value
}
return 0
}
type GetStatsResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Stat *Stat `protobuf:"bytes,1,opt,name=stat,proto3" json:"stat,omitempty"`
}
func (x *GetStatsResponse) Reset() {
*x = GetStatsResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_app_stats_command_command_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetStatsResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetStatsResponse) ProtoMessage() {}
func (x *GetStatsResponse) ProtoReflect() protoreflect.Message {
mi := &file_app_stats_command_command_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use GetStatsResponse.ProtoReflect.Descriptor instead.
func (*GetStatsResponse) Descriptor() ([]byte, []int) {
return file_app_stats_command_command_proto_rawDescGZIP(), []int{2}
}
func (x *GetStatsResponse) GetStat() *Stat {
if x != nil {
return x.Stat
}
return nil
}
type QueryStatsRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Pattern string `protobuf:"bytes,1,opt,name=pattern,proto3" json:"pattern,omitempty"`
Reset_ bool `protobuf:"varint,2,opt,name=reset,proto3" json:"reset,omitempty"`
}
func (x *QueryStatsRequest) Reset() {
*x = QueryStatsRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_app_stats_command_command_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *QueryStatsRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*QueryStatsRequest) ProtoMessage() {}
func (x *QueryStatsRequest) ProtoReflect() protoreflect.Message {
mi := &file_app_stats_command_command_proto_msgTypes[3]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use QueryStatsRequest.ProtoReflect.Descriptor instead.
func (*QueryStatsRequest) Descriptor() ([]byte, []int) {
return file_app_stats_command_command_proto_rawDescGZIP(), []int{3}
}
func (x *QueryStatsRequest) GetPattern() string {
if x != nil {
return x.Pattern
}
return ""
}
func (x *QueryStatsRequest) GetReset_() bool {
if x != nil {
return x.Reset_
}
return false
}
type QueryStatsResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Stat []*Stat `protobuf:"bytes,1,rep,name=stat,proto3" json:"stat,omitempty"`
}
func (x *QueryStatsResponse) Reset() {
*x = QueryStatsResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_app_stats_command_command_proto_msgTypes[4]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *QueryStatsResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*QueryStatsResponse) ProtoMessage() {}
func (x *QueryStatsResponse) ProtoReflect() protoreflect.Message {
mi := &file_app_stats_command_command_proto_msgTypes[4]
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 QueryStatsResponse.ProtoReflect.Descriptor instead.
func (*QueryStatsResponse) Descriptor() ([]byte, []int) {
return file_app_stats_command_command_proto_rawDescGZIP(), []int{4}
}
func (x *QueryStatsResponse) GetStat() []*Stat {
if x != nil {
return x.Stat
}
return nil
}
type SysStatsRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *SysStatsRequest) Reset() {
*x = SysStatsRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_app_stats_command_command_proto_msgTypes[5]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *SysStatsRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*SysStatsRequest) ProtoMessage() {}
func (x *SysStatsRequest) ProtoReflect() protoreflect.Message {
mi := &file_app_stats_command_command_proto_msgTypes[5]
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 SysStatsRequest.ProtoReflect.Descriptor instead.
func (*SysStatsRequest) Descriptor() ([]byte, []int) {
return file_app_stats_command_command_proto_rawDescGZIP(), []int{5}
}
type SysStatsResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
NumGoroutine uint32 `protobuf:"varint,1,opt,name=NumGoroutine,proto3" json:"NumGoroutine,omitempty"`
NumGC uint32 `protobuf:"varint,2,opt,name=NumGC,proto3" json:"NumGC,omitempty"`
Alloc uint64 `protobuf:"varint,3,opt,name=Alloc,proto3" json:"Alloc,omitempty"`
TotalAlloc uint64 `protobuf:"varint,4,opt,name=TotalAlloc,proto3" json:"TotalAlloc,omitempty"`
Sys uint64 `protobuf:"varint,5,opt,name=Sys,proto3" json:"Sys,omitempty"`
Mallocs uint64 `protobuf:"varint,6,opt,name=Mallocs,proto3" json:"Mallocs,omitempty"`
Frees uint64 `protobuf:"varint,7,opt,name=Frees,proto3" json:"Frees,omitempty"`
LiveObjects uint64 `protobuf:"varint,8,opt,name=LiveObjects,proto3" json:"LiveObjects,omitempty"`
PauseTotalNs uint64 `protobuf:"varint,9,opt,name=PauseTotalNs,proto3" json:"PauseTotalNs,omitempty"`
Uptime uint32 `protobuf:"varint,10,opt,name=Uptime,proto3" json:"Uptime,omitempty"`
}
func (x *SysStatsResponse) Reset() {
*x = SysStatsResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_app_stats_command_command_proto_msgTypes[6]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *SysStatsResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*SysStatsResponse) ProtoMessage() {}
func (x *SysStatsResponse) ProtoReflect() protoreflect.Message {
mi := &file_app_stats_command_command_proto_msgTypes[6]
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 SysStatsResponse.ProtoReflect.Descriptor instead.
func (*SysStatsResponse) Descriptor() ([]byte, []int) {
return file_app_stats_command_command_proto_rawDescGZIP(), []int{6}
}
func (x *SysStatsResponse) GetNumGoroutine() uint32 {
if x != nil {
return x.NumGoroutine
}
return 0
}
func (x *SysStatsResponse) GetNumGC() uint32 {
if x != nil {
return x.NumGC
}
return 0
}
func (x *SysStatsResponse) GetAlloc() uint64 {
if x != nil {
return x.Alloc
}
return 0
}
func (x *SysStatsResponse) GetTotalAlloc() uint64 {
if x != nil {
return x.TotalAlloc
}
return 0
}
func (x *SysStatsResponse) GetSys() uint64 {
if x != nil {
return x.Sys
}
return 0
}
func (x *SysStatsResponse) GetMallocs() uint64 {
if x != nil {
return x.Mallocs
}
return 0
}
func (x *SysStatsResponse) GetFrees() uint64 {
if x != nil {
return x.Frees
}
return 0
}
func (x *SysStatsResponse) GetLiveObjects() uint64 {
if x != nil {
return x.LiveObjects
}
return 0
}
func (x *SysStatsResponse) GetPauseTotalNs() uint64 {
if x != nil {
return x.PauseTotalNs
}
return 0
}
func (x *SysStatsResponse) GetUptime() uint32 {
if x != nil {
return x.Uptime
}
return 0
}
type Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_app_stats_command_command_proto_msgTypes[7]
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_app_stats_command_command_proto_msgTypes[7]
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_app_stats_command_command_proto_rawDescGZIP(), []int{7}
}
var File_app_stats_command_command_proto protoreflect.FileDescriptor
var file_app_stats_command_command_proto_rawDesc = []byte{
0x0a, 0x1f, 0x61, 0x70, 0x70, 0x2f, 0x73, 0x74, 0x61, 0x74, 0x73, 0x2f, 0x63, 0x6f, 0x6d, 0x6d,
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}
var (
file_app_stats_command_command_proto_rawDescOnce sync.Once
file_app_stats_command_command_proto_rawDescData = file_app_stats_command_command_proto_rawDesc
)
func file_app_stats_command_command_proto_rawDescGZIP() []byte {
file_app_stats_command_command_proto_rawDescOnce.Do(func() {
file_app_stats_command_command_proto_rawDescData = protoimpl.X.CompressGZIP(file_app_stats_command_command_proto_rawDescData)
})
return file_app_stats_command_command_proto_rawDescData
}
var file_app_stats_command_command_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
var file_app_stats_command_command_proto_goTypes = []interface{}{
(*GetStatsRequest)(nil), // 0: xray.app.stats.command.GetStatsRequest
(*Stat)(nil), // 1: xray.app.stats.command.Stat
(*GetStatsResponse)(nil), // 2: xray.app.stats.command.GetStatsResponse
(*QueryStatsRequest)(nil), // 3: xray.app.stats.command.QueryStatsRequest
(*QueryStatsResponse)(nil), // 4: xray.app.stats.command.QueryStatsResponse
(*SysStatsRequest)(nil), // 5: xray.app.stats.command.SysStatsRequest
(*SysStatsResponse)(nil), // 6: xray.app.stats.command.SysStatsResponse
(*Config)(nil), // 7: xray.app.stats.command.Config
}
var file_app_stats_command_command_proto_depIdxs = []int32{
1, // 0: xray.app.stats.command.GetStatsResponse.stat:type_name -> xray.app.stats.command.Stat
1, // 1: xray.app.stats.command.QueryStatsResponse.stat:type_name -> xray.app.stats.command.Stat
0, // 2: xray.app.stats.command.StatsService.GetStats:input_type -> xray.app.stats.command.GetStatsRequest
3, // 3: xray.app.stats.command.StatsService.QueryStats:input_type -> xray.app.stats.command.QueryStatsRequest
5, // 4: xray.app.stats.command.StatsService.GetSysStats:input_type -> xray.app.stats.command.SysStatsRequest
2, // 5: xray.app.stats.command.StatsService.GetStats:output_type -> xray.app.stats.command.GetStatsResponse
4, // 6: xray.app.stats.command.StatsService.QueryStats:output_type -> xray.app.stats.command.QueryStatsResponse
6, // 7: xray.app.stats.command.StatsService.GetSysStats:output_type -> xray.app.stats.command.SysStatsResponse
5, // [5:8] is the sub-list for method output_type
2, // [2:5] 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_app_stats_command_command_proto_init() }
func file_app_stats_command_command_proto_init() {
if File_app_stats_command_command_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_app_stats_command_command_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetStatsRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_stats_command_command_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Stat); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_stats_command_command_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetStatsResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_stats_command_command_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*QueryStatsRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_stats_command_command_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*QueryStatsResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_stats_command_command_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*SysStatsRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_stats_command_command_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*SysStatsResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_stats_command_command_proto_msgTypes[7].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_app_stats_command_command_proto_rawDesc,
NumEnums: 0,
NumMessages: 8,
NumExtensions: 0,
NumServices: 1,
},
GoTypes: file_app_stats_command_command_proto_goTypes,
DependencyIndexes: file_app_stats_command_command_proto_depIdxs,
MessageInfos: file_app_stats_command_command_proto_msgTypes,
}.Build()
File_app_stats_command_command_proto = out.File
file_app_stats_command_command_proto_rawDesc = nil
file_app_stats_command_command_proto_goTypes = nil
file_app_stats_command_command_proto_depIdxs = nil
}

55
app/stats/command/command.proto Normal file
View file

@ -0,0 +1,55 @@
syntax = "proto3";
package xray.app.stats.command;
option csharp_namespace = "Xray.App.Stats.Command";
option go_package = "github.com/xtls/xray-core/v1/app/stats/command";
option java_package = "com.xray.app.stats.command";
option java_multiple_files = true;
message GetStatsRequest {
// Name of the stat counter.
string name = 1;
// Whether or not to reset the counter to fetching its value.
bool reset = 2;
}
message Stat {
string name = 1;
int64 value = 2;
}
message GetStatsResponse {
Stat stat = 1;
}
message QueryStatsRequest {
string pattern = 1;
bool reset = 2;
}
message QueryStatsResponse {
repeated Stat stat = 1;
}
message SysStatsRequest {}
message SysStatsResponse {
uint32 NumGoroutine = 1;
uint32 NumGC = 2;
uint64 Alloc = 3;
uint64 TotalAlloc = 4;
uint64 Sys = 5;
uint64 Mallocs = 6;
uint64 Frees = 7;
uint64 LiveObjects = 8;
uint64 PauseTotalNs = 9;
uint32 Uptime = 10;
}
service StatsService {
rpc GetStats(GetStatsRequest) returns (GetStatsResponse) {}
rpc QueryStats(QueryStatsRequest) returns (QueryStatsResponse) {}
rpc GetSysStats(SysStatsRequest) returns (SysStatsResponse) {}
}
message Config {}

169
app/stats/command/command_grpc.pb.go Normal file
View file

@ -0,0 +1,169 @@
// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
package command
import (
context "context"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
)
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion7
// StatsServiceClient is the client API for StatsService service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
type StatsServiceClient interface {
GetStats(ctx context.Context, in *GetStatsRequest, opts ...grpc.CallOption) (*GetStatsResponse, error)
QueryStats(ctx context.Context, in *QueryStatsRequest, opts ...grpc.CallOption) (*QueryStatsResponse, error)
GetSysStats(ctx context.Context, in *SysStatsRequest, opts ...grpc.CallOption) (*SysStatsResponse, error)
}
type statsServiceClient struct {
cc grpc.ClientConnInterface
}
func NewStatsServiceClient(cc grpc.ClientConnInterface) StatsServiceClient {
return &statsServiceClient{cc}
}
func (c *statsServiceClient) GetStats(ctx context.Context, in *GetStatsRequest, opts ...grpc.CallOption) (*GetStatsResponse, error) {
out := new(GetStatsResponse)
err := c.cc.Invoke(ctx, "/xray.app.stats.command.StatsService/GetStats", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *statsServiceClient) QueryStats(ctx context.Context, in *QueryStatsRequest, opts ...grpc.CallOption) (*QueryStatsResponse, error) {
out := new(QueryStatsResponse)
err := c.cc.Invoke(ctx, "/xray.app.stats.command.StatsService/QueryStats", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *statsServiceClient) GetSysStats(ctx context.Context, in *SysStatsRequest, opts ...grpc.CallOption) (*SysStatsResponse, error) {
out := new(SysStatsResponse)
err := c.cc.Invoke(ctx, "/xray.app.stats.command.StatsService/GetSysStats", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// StatsServiceServer is the server API for StatsService service.
// All implementations must embed UnimplementedStatsServiceServer
// for forward compatibility
type StatsServiceServer interface {
GetStats(context.Context, *GetStatsRequest) (*GetStatsResponse, error)
QueryStats(context.Context, *QueryStatsRequest) (*QueryStatsResponse, error)
GetSysStats(context.Context, *SysStatsRequest) (*SysStatsResponse, error)
mustEmbedUnimplementedStatsServiceServer()
}
// UnimplementedStatsServiceServer must be embedded to have forward compatible implementations.
type UnimplementedStatsServiceServer struct {
}
func (UnimplementedStatsServiceServer) GetStats(context.Context, *GetStatsRequest) (*GetStatsResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method GetStats not implemented")
}
func (UnimplementedStatsServiceServer) QueryStats(context.Context, *QueryStatsRequest) (*QueryStatsResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method QueryStats not implemented")
}
func (UnimplementedStatsServiceServer) GetSysStats(context.Context, *SysStatsRequest) (*SysStatsResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method GetSysStats not implemented")
}
func (UnimplementedStatsServiceServer) mustEmbedUnimplementedStatsServiceServer() {}
// UnsafeStatsServiceServer may be embedded to opt out of forward compatibility for this service.
// Use of this interface is not recommended, as added methods to StatsServiceServer will
// result in compilation errors.
type UnsafeStatsServiceServer interface {
mustEmbedUnimplementedStatsServiceServer()
}
func RegisterStatsServiceServer(s grpc.ServiceRegistrar, srv StatsServiceServer) {
s.RegisterService(&_StatsService_serviceDesc, srv)
}
func _StatsService_GetStats_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(GetStatsRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(StatsServiceServer).GetStats(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/xray.app.stats.command.StatsService/GetStats",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(StatsServiceServer).GetStats(ctx, req.(*GetStatsRequest))
}
return interceptor(ctx, in, info, handler)
}
func _StatsService_QueryStats_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(QueryStatsRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(StatsServiceServer).QueryStats(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/xray.app.stats.command.StatsService/QueryStats",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(StatsServiceServer).QueryStats(ctx, req.(*QueryStatsRequest))
}
return interceptor(ctx, in, info, handler)
}
func _StatsService_GetSysStats_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(SysStatsRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(StatsServiceServer).GetSysStats(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/xray.app.stats.command.StatsService/GetSysStats",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(StatsServiceServer).GetSysStats(ctx, req.(*SysStatsRequest))
}
return interceptor(ctx, in, info, handler)
}
var _StatsService_serviceDesc = grpc.ServiceDesc{
ServiceName: "xray.app.stats.command.StatsService",
HandlerType: (*StatsServiceServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "GetStats",
Handler: _StatsService_GetStats_Handler,
},
{
MethodName: "QueryStats",
Handler: _StatsService_QueryStats_Handler,
},
{
MethodName: "GetSysStats",
Handler: _StatsService_GetSysStats_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "app/stats/command/command.proto",
}

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