Fix build check

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/renovate.json

@@ -0,0 +1,28 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "commitMessagePrefix": "[dependencies]",
+  "extends": [
+    "config:base",
+    ":disableRateLimiting"
+  ],
+  "baseBranches": [
+    "dev-next"
+  ],
+  "golang": {
+    "enabled": false
+  },
+  "packageRules": [
+    {
+      "matchManagers": [
+        "github-actions"
+      ],
+      "groupName": "github-actions"
+    },
+    {
+      "matchManagers": [
+        "dockerfile"
+      ],
+      "groupName": "Dockerfile"
+    }
+  ]
+}

.github/workflows/debug.yml

@@ -3,8 +3,7 @@ name: Debug build
 on:
   push:
     branches:
-      - main
+      - main-next
-      - dev
       - dev-next
     paths-ignore:
       - '**.md'
@@ -12,8 +11,7 @@ on:
       - '!.github/workflows/debug.yml'
   pull_request:
     branches:
-      - main
+      - main-next
-      - dev
       - dev-next
 
 jobs:
@@ -21,24 +19,20 @@ jobs:
     name: Debug build
     runs-on: ubuntu-latest
     steps:
-      - name: Cancel previous
-        uses: styfle/cancel-workflow-action@0.7.0
-        with:
-          access_token: ${{ github.token }}
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Get latest go version
         id: version
         run: |
-          echo ::set-output name=go_version::$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g')
+          echo go_version=$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g') >> $GITHUB_OUTPUT
       - name: Setup Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
           go-version: ${{ steps.version.outputs.go_version }}
       - name: Cache go module
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/go/pkg/mod
@@ -60,22 +54,21 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Setup Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
-          go-version: 1.18.7
+          go-version: 1.18.10
       - name: Cache go module
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/go/pkg/mod
           key: go118-${{ hashFiles('**/go.sum') }}
       - name: Run Test
-        run: |
+        run: make
-          go test -v ./...
   cross:
     strategy:
       matrix:
@@ -192,19 +185,19 @@ jobs:
       TAGS: with_clash_api,with_quic
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Get latest go version
         id: version
         run: |
-          echo ::set-output name=go_version::$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g')
+          echo go_version=$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g') >> $GITHUB_OUTPUT
       - name: Setup Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
           go-version: ${{ steps.version.outputs.go_version }}
       - name: Cache go module
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/go/pkg/mod
@@ -213,7 +206,7 @@ jobs:
         id: build
         run: make
       - name: Upload artifact
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: sing-box-${{ matrix.name }}
           path: sing-box*

.github/workflows/docker.yml

@@ -1,8 +1,5 @@
 name: Build Docker Images
 on:
-  push:
-    tags:
-      - v*
   workflow_dispatch:
     inputs:
       tag:
@@ -12,20 +9,20 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Setup Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
       - name: Setup QEMU for Docker Buildx
         uses: docker/setup-qemu-action@v2
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v1
+        uses: docker/login-action@v2
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Docker metadata
         id: metadata
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v4
         with:
           images: ghcr.io/sagernet/sing-box
       - name: Get tag to build
@@ -38,7 +35,7 @@ jobs:
             echo "versioned=ghcr.io/sagernet/sing-box:${{ github.event.inputs.tag }}" >> $GITHUB_OUTPUT
           fi
       - name: Build and release Docker images
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v4
         with:
           platforms: linux/386,linux/amd64,linux/arm64,linux/s390x
           target: dist

.github/workflows/lint.yml

@@ -3,45 +3,40 @@ name: Lint
 on:
   push:
     branches:
-      - dev
+      - main-next
+      - dev-next
     paths-ignore:
       - '**.md'
       - '.github/**'
-      - '!.github/workflows/debug.yml'
+      - '!.github/workflows/lint.yml'
   pull_request:
     branches:
-      - dev
+      - main-next
+      - dev-next
 
 jobs:
   build:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - name: Cancel previous
-        uses: styfle/cancel-workflow-action@0.7.0
-        with:
-          access_token: ${{ github.token }}
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Get latest go version
         id: version
         run: |
-          echo ::set-output name=go_version::$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g')
+          echo go_version=$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g') >> $GITHUB_OUTPUT
       - name: Setup Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
           go-version: ${{ steps.version.outputs.go_version }}
       - name: Cache go module
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/go/pkg/mod
           key: go-${{ hashFiles('**/go.sum') }}
-      - name: Get dependencies
-        run: |
-          go mod download -x
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:

.github/workflows/mkdocs.yml

@@ -10,9 +10,11 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v4
         with:
           python-version: 3.x
-      - run: pip install mkdocs-material mkdocs-static-i18n
+      - run: |
-      - run: mkdocs gh-deploy -m "{sha}" --force --ignore-version --no-history
+          pip install mkdocs-material=="9.*" mkdocs-static-i18n=="0.53"
+      - run: |
+          mkdocs gh-deploy -m "{sha}" --force --ignore-version --no-history

.github/workflows/stale.yml

@@ -8,7 +8,7 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v5
+      - uses: actions/stale@v7
         with:
           stale-issue-message: 'This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 5 days'
           days-before-stale: 60

.gitignore

@@ -5,4 +5,10 @@
 /site/
 /bin/
 /dist/
-/sing-box
+/sing-box
+/sing-box.exe
+/build/
+/*.jar
+/*.aar
+/*.xcframework/
+.DS_Store

.golangci.yml

@@ -3,19 +3,24 @@ linters:
   enable:
     - gofumpt
     - govet
-#    - gci
+    - gci
     - staticcheck
     - paralleltest
 
 run:
   skip-dirs:
+    - transport/simple-obfs
+    - transport/clashssr
     - transport/cloudflaretls
+    - transport/shadowtls/tls
+    - transport/shadowtls/tls_go119
 
 linters-settings:
-#  gci:
+  gci:
-#    sections:
+    custom-order: true
-#      - standard
+    sections:
-#      - prefix(github.com/sagernet/)
+      - standard
-#      - default
+      - prefix(github.com/sagernet/)
+      - default
   staticcheck:
-    go: '1.19'
+    go: '1.20'

.goreleaser.yaml

@@ -1,6 +1,7 @@
 project_name: sing-box
 builds:
-  - main: ./cmd/sing-box
+  - id: main
+    main: ./cmd/sing-box
     flags:
       - -v
       - -trimpath
@@ -19,9 +20,6 @@ builds:
     env:
       - CGO_ENABLED=0
     targets:
-      - android_arm64
-      - android_amd64
-      - android_amd64_v3
       - linux_amd64_v1
       - linux_amd64_v3
       - linux_arm64
@@ -35,6 +33,54 @@ builds:
       - darwin_amd64_v3
       - darwin_arm64
     mod_timestamp: '{{ .CommitTimestamp }}'
+  - id: android
+    main: ./cmd/sing-box
+    flags:
+      - -v
+      - -trimpath
+    asmflags:
+      - all=-trimpath={{.Env.GOPATH}}
+    gcflags:
+      - all=-trimpath={{.Env.GOPATH}}
+    ldflags:
+      - -s -w -buildid=
+    tags:
+      - with_gvisor
+      - with_quic
+      - with_wireguard
+      - with_utls
+      - with_clash_api
+    env:
+      - CGO_ENABLED=1
+    overrides:
+      - goos: android
+        goarch: arm
+        goarm: 7
+        env:
+          - CC=armv7a-linux-androideabi19-clang
+          - CXX=armv7a-linux-androideabi19-clang++
+      - goos: android
+        goarch: arm64
+        env:
+          - CC=aarch64-linux-android21-clang
+          - CXX=aarch64-linux-android21-clang++
+      - goos: android
+        goarch: 386
+        env:
+          - CC=i686-linux-android19-clang
+          - CXX=i686-linux-android19-clang++
+      - goos: android
+        goarch: amd64
+        goamd64: v1
+        env:
+          - CC=x86_64-linux-android21-clang
+          - CXX=x86_64-linux-android21-clang++
+    targets:
+      - android_arm_7
+      - android_arm64
+      - android_386
+      - android_amd64
+    mod_timestamp: '{{ .CommitTimestamp }}'
 snapshot:
   name_template: "{{ .Version }}.{{ .ShortCommit }}"
 archives:
@@ -70,6 +116,9 @@ nfpms:
         dst: /etc/systemd/system/sing-box@.service
       - src: LICENSE
         dst: /usr/share/licenses/sing-box/LICENSE
+    scripts:
+      postinstall: release/config/postinstall.sh
+      postremove: release/config/postremove.sh
 source:
   enabled: false
   name_template: '{{ .ProjectName }}-{{ .Version }}.source'

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.19-alpine AS builder
+FROM golang:1.20-alpine AS builder
 LABEL maintainer="nekohasekai <contact-git@sekai.icu>"
 COPY . /go/src/github.com/sagernet/sing-box
 WORKDIR /go/src/github.com/sagernet/sing-box

Makefile

@@ -1,7 +1,7 @@
 NAME = sing-box
 COMMIT = $(shell git rev-parse --short HEAD)
-TAGS ?= with_gvisor,with_quic,with_wireguard,with_utls,with_clash_api
+TAGS ?= with_gvisor,with_quic,with_wireguard,with_utls,with_reality_server,with_clash_api
-TAGS_TEST ?= with_gvisor,with_quic,with_wireguard,with_grpc,with_ech,with_utls,with_shadowsocksr
+TAGS_TEST ?= with_gvisor,with_quic,with_wireguard,with_grpc,with_ech,with_utls,with_reality_server,with_shadowsocksr
 PARAMS = -v -trimpath -tags "$(TAGS)" -ldflags "-s -w -buildid="
 MAIN = ./cmd/sing-box
 
@@ -16,11 +16,11 @@ install:
 fmt:
 	@gofumpt -l -w .
 	@gofmt -s -w .
-	@gci write -s "standard,prefix(github.com/sagernet/),default" .
+	@gci write --custom-order -s "standard,prefix(github.com/sagernet/),default" .
 
 fmt_install:
 	go install -v mvdan.cc/gofumpt@latest
-	go install -v github.com/daixiang0/gci@v0.4.0
+	go install -v github.com/daixiang0/gci@latest
 
 lint:
 	GOOS=linux golangci-lint run ./...
@@ -42,14 +42,14 @@ proto_install:
 	go install -v google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
 
 snapshot:
-	goreleaser release --rm-dist --snapshot
+	go run ./cmd/internal/build goreleaser release --rm-dist --snapshot || exit 1
 	mkdir dist/release
 	mv dist/*.tar.gz dist/*.zip dist/*.deb dist/*.rpm dist/release
 	ghr --delete --draft --prerelease -p 1 nightly dist/release
 	rm -r dist
 
 release:
-	goreleaser release --rm-dist --skip-publish
+	go run ./cmd/internal/build goreleaser release --rm-dist --skip-publish || exit 1
 	mkdir dist/release
 	mv dist/*.tar.gz dist/*.zip dist/*.deb dist/*.rpm dist/release
 	ghr --delete --draft --prerelease -p 3 $(shell git describe --tags) dist/release
@@ -71,6 +71,14 @@ test_stdio:
 	go mod tidy && \
 	go test -v -tags "$(TAGS_TEST),force_stdio" .
 
+lib:
+	go run ./cmd/internal/build_libbox
+
+lib_install:
+	go get -v -d
+	go install -v github.com/sagernet/gomobile/cmd/gomobile@v0.0.0-20221130124640-349ebaa752ca
+	go install -v github.com/sagernet/gomobile/cmd/gobind@v0.0.0-20221130124640-349ebaa752ca
+
 clean:
 	rm -rf bin dist sing-box
 	rm -f $(shell go env GOPATH)/sing-box

adapter/experimental.go

@@ -45,6 +45,6 @@ type V2RayServer interface {
 }
 
 type V2RayStatsService interface {
-	RoutedConnection(inbound string, outbound string, conn net.Conn) net.Conn
+	RoutedConnection(inbound string, outbound string, user string, conn net.Conn) net.Conn
-	RoutedPacketConnection(inbound string, outbound string, conn N.PacketConn) N.PacketConn
+	RoutedPacketConnection(inbound string, outbound string, user string, conn N.PacketConn) N.PacketConn
 }

adapter/inbound.go

@@ -46,6 +46,10 @@ type InboundContext struct {
 	SourceGeoIPCode      string
 	GeoIPCode            string
 	ProcessInfo          *process.Info
+
+	// dns cache
+
+	QueryType uint16
 }
 
 type inboundContextKey struct{}

adapter/router.go

@@ -34,12 +34,15 @@ type Router interface {
 	InterfaceFinder() control.InterfaceFinder
 	DefaultInterface() string
 	AutoDetectInterface() bool
+	AutoDetectInterfaceFunc() control.Func
 	DefaultMark() int
 	NetworkMonitor() tun.NetworkUpdateMonitor
 	InterfaceMonitor() tun.DefaultInterfaceMonitor
 	PackageManager() tun.PackageManager
 	Rules() []Rule
 
+	TimeService
+
 	ClashServer() ClashServer
 	SetClashServer(server ClashServer)
 
@@ -47,6 +50,20 @@ type Router interface {
 	SetV2RayServer(server V2RayServer)
 }
 
+type routerContextKey struct{}
+
+func ContextWithRouter(ctx context.Context, router Router) context.Context {
+	return context.WithValue(ctx, (*routerContextKey)(nil), router)
+}
+
+func RouterFromContext(ctx context.Context) Router {
+	metadata := ctx.Value((*routerContextKey)(nil))
+	if metadata == nil {
+		return nil
+	}
+	return metadata.(Router)
+}
+
 type Rule interface {
 	Service
 	Type() string

adapter/time.go

@@ -0,0 +1,8 @@
+package adapter
+
+import "time"
+
+type TimeService interface {
+	Service
+	TimeFunc() func() time.Time
+}

adapter/v2ray.go

@@ -3,6 +3,10 @@ package adapter
 import (
 	"context"
 	"net"
+
+	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
 )
 
 type V2RayServerTransport interface {
@@ -12,6 +16,12 @@ type V2RayServerTransport interface {
 	Close() error
 }
 
+type V2RayServerTransportHandler interface {
+	N.TCPConnectionHandler
+	E.Handler
+	FallbackConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error
+}
+
 type V2RayClientTransport interface {
 	DialContext(ctx context.Context) (net.Conn, error)
 }

box.go

@@ -9,7 +9,9 @@ import (
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
+	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/experimental"
+	"github.com/sagernet/sing-box/experimental/libbox/platform"
 	"github.com/sagernet/sing-box/inbound"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
@@ -35,7 +37,7 @@ type Box struct {
 	done        chan struct{}
 }
 
-func New(ctx context.Context, options option.Options) (*Box, error) {
+func New(ctx context.Context, options option.Options, platformInterface platform.Interface) (*Box, error) {
 	createdAt := time.Now()
 	logOptions := common.PtrValueOrDefault(options.Log)
 
@@ -53,19 +55,25 @@ func New(ctx context.Context, options option.Options) (*Box, error) {
 	var logFactory log.Factory
 	var observableLogFactory log.ObservableFactory
 	var logFile *os.File
+	var logWriter io.Writer
 	if logOptions.Disabled {
 		observableLogFactory = log.NewNOPFactory()
 		logFactory = observableLogFactory
 	} else {
-		var logWriter io.Writer
 		switch logOptions.Output {
-		case "", "stderr":
+		case "":
+			if platformInterface != nil {
+				logWriter = io.Discard
+			} else {
+				logWriter = os.Stdout
+			}
+		case "stderr":
 			logWriter = os.Stderr
 		case "stdout":
 			logWriter = os.Stdout
 		default:
 			var err error
-			logFile, err = os.OpenFile(logOptions.Output, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o644)
+			logFile, err = os.OpenFile(C.BasePath(logOptions.Output), os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o644)
 			if err != nil {
 				return nil, err
 			}
@@ -79,10 +87,10 @@ func New(ctx context.Context, options option.Options) (*Box, error) {
 			TimestampFormat:  "-0700 2006-01-02 15:04:05",
 		}
 		if needClashAPI {
-			observableLogFactory = log.NewObservableFactory(logFormatter, logWriter)
+			observableLogFactory = log.NewObservableFactory(logFormatter, logWriter, platformInterface)
 			logFactory = observableLogFactory
 		} else {
-			logFactory = log.NewFactory(logFormatter, logWriter)
+			logFactory = log.NewFactory(logFormatter, logWriter, platformInterface)
 		}
 		if logOptions.Level != "" {
 			logLevel, err := log.ParseLevel(logOptions.Level)
@@ -100,7 +108,9 @@ func New(ctx context.Context, options option.Options) (*Box, error) {
 		logFactory,
 		common.PtrValueOrDefault(options.Route),
 		common.PtrValueOrDefault(options.DNS),
+		common.PtrValueOrDefault(options.NTP),
 		options.Inbounds,
+		platformInterface,
 	)
 	if err != nil {
 		return nil, E.Cause(err, "parse route options")
@@ -120,6 +130,7 @@ func New(ctx context.Context, options option.Options) (*Box, error) {
 			router,
 			logFactory.NewLogger(F.ToString("inbound/", inboundOptions.Type, "[", tag, "]")),
 			inboundOptions,
+			platformInterface,
 		)
 		if err != nil {
 			return nil, E.Cause(err, "parse inbound[", i, "]")
@@ -202,6 +213,18 @@ func (s *Box) Start() error {
 }
 
 func (s *Box) start() error {
+	if s.clashServer != nil {
+		err := s.clashServer.Start()
+		if err != nil {
+			return E.Cause(err, "start clash api server")
+		}
+	}
+	if s.v2rayServer != nil {
+		err := s.v2rayServer.Start()
+		if err != nil {
+			return E.Cause(err, "start v2ray api server")
+		}
+	}
 	for i, out := range s.outbounds {
 		if starter, isStarter := out.(common.Starter); isStarter {
 			err := starter.Start()
@@ -232,18 +255,7 @@ func (s *Box) start() error {
 			return E.Cause(err, "initialize inbound/", in.Type(), "[", tag, "]")
 		}
 	}
-	if s.clashServer != nil {
+
-		err = s.clashServer.Start()
-		if err != nil {
-			return E.Cause(err, "start clash api server")
-		}
-	}
-	if s.v2rayServer != nil {
-		err = s.v2rayServer.Start()
-		if err != nil {
-			return E.Cause(err, "start v2ray api server")
-		}
-	}
 	s.logger.Info("sing-box started (", F.Seconds(time.Since(s.createdAt).Seconds()), "s)")
 	return nil
 }
@@ -255,19 +267,43 @@ func (s *Box) Close() error {
 	default:
 		close(s.done)
 	}
-	for _, in := range s.inbounds {
+	var errors error
-		in.Close()
+	for i, in := range s.inbounds {
+		errors = E.Append(errors, in.Close(), func(err error) error {
+			return E.Cause(err, "close inbound/", in.Type(), "[", i, "]")
+		})
 	}
-	for _, out := range s.outbounds {
+	for i, out := range s.outbounds {
-		common.Close(out)
+		errors = E.Append(errors, common.Close(out), func(err error) error {
+			return E.Cause(err, "close inbound/", out.Type(), "[", i, "]")
+		})
 	}
-	return common.Close(
+	if err := common.Close(s.router); err != nil {
-		s.router,
+		errors = E.Append(errors, err, func(err error) error {
-		s.logFactory,
+			return E.Cause(err, "close router")
-		s.clashServer,
+		})
-		s.v2rayServer,
+	}
-		common.PtrOrNil(s.logFile),
+	if err := common.Close(s.logFactory); err != nil {
-	)
+		errors = E.Append(errors, err, func(err error) error {
+			return E.Cause(err, "close log factory")
+		})
+	}
+	if err := common.Close(s.clashServer); err != nil {
+		errors = E.Append(errors, err, func(err error) error {
+			return E.Cause(err, "close clash api server")
+		})
+	}
+	if err := common.Close(s.v2rayServer); err != nil {
+		errors = E.Append(errors, err, func(err error) error {
+			return E.Cause(err, "close v2ray api server")
+		})
+	}
+	if s.logFile != nil {
+		errors = E.Append(errors, s.logFile.Close(), func(err error) error {
+			return E.Cause(err, "close log file")
+		})
+	}
+	return errors
 }
 
 func (s *Box) Router() adapter.Router {

cmd/internal/build/main.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"os"
+	"os/exec"
+	"strings"
+
+	"github.com/sagernet/sing-box/cmd/internal/build_shared"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common"
+)
+
+func main() {
+	build_shared.FindSDK()
+
+	currentTag, err := common.Exec("git", "describe", "--tags", "--abbrev=0").Read()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	currentTag = strings.TrimSpace(currentTag)
+
+	if "v"+C.Version != currentTag {
+		log.Fatal("version mismatch, update constant.Version (", C.Version, ")", " to ", currentTag[1:])
+	}
+
+	command := exec.Command(os.Args[1], os.Args[2:]...)
+	command.Stdout = os.Stdout
+	command.Stderr = os.Stderr
+	err = command.Run()
+	if err != nil {
+		log.Fatal(err)
+	}
+}

cmd/internal/build_libbox/main.go

@@ -0,0 +1,113 @@
+package main
+
+import (
+	"flag"
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	_ "github.com/sagernet/gomobile/event/key"
+	"github.com/sagernet/sing-box/cmd/internal/build_shared"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common/rw"
+)
+
+var (
+	debugEnabled bool
+	target       string
+)
+
+func init() {
+	flag.BoolVar(&debugEnabled, "debug", false, "enable debug")
+	flag.StringVar(&target, "target", "android", "target platform")
+}
+
+func main() {
+	flag.Parse()
+
+	build_shared.FindMobile()
+
+	switch target {
+	case "android":
+		buildAndroid()
+	case "ios":
+		buildiOS()
+	}
+}
+
+func buildAndroid() {
+	build_shared.FindSDK()
+
+	args := []string{
+		"bind",
+		"-v",
+		"-androidapi", "21",
+		"-javapkg=io.nekohasekai",
+		"-libname=box",
+	}
+	if !debugEnabled {
+		args = append(args,
+			"-trimpath", "-ldflags=-s -w -buildid=",
+			"-tags", "with_gvisor,with_quic,with_wireguard,with_utls,with_clash_api",
+		)
+	} else {
+		args = append(args, "-tags", "with_gvisor,with_quic,with_wireguard,with_utls,with_clash_api,debug")
+	}
+
+	args = append(args, "./experimental/libbox")
+
+	command := exec.Command(build_shared.GoBinPath+"/gomobile", args...)
+	command.Stdout = os.Stdout
+	command.Stderr = os.Stderr
+	err := command.Run()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	const name = "libbox.aar"
+	copyPath := filepath.Join("..", "sing-box-for-android", "app", "libs")
+	if rw.FileExists(copyPath) {
+		copyPath, _ = filepath.Abs(copyPath)
+		err = rw.CopyFile(name, filepath.Join(copyPath, name))
+		if err != nil {
+			log.Fatal(err)
+		}
+		log.Info("copied to ", copyPath)
+	}
+}
+
+func buildiOS() {
+	args := []string{
+		"bind",
+		"-v",
+		"-target", "ios,iossimulator,macos",
+		"-libname=box",
+	}
+	if !debugEnabled {
+		args = append(
+			args, "-trimpath", "-ldflags=-s -w -buildid=",
+			"-tags", "with_gvisor,with_utls,with_clash_api,with_conntrack",
+		)
+	} else {
+		args = append(args, "-tags", "with_gvisor,with_utls,with_clash_api,with_conntrack,debug")
+	}
+
+	args = append(args, "./experimental/libbox")
+
+	command := exec.Command(build_shared.GoBinPath+"/gomobile", args...)
+	command.Stdout = os.Stdout
+	command.Stderr = os.Stderr
+	err := command.Run()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	copyPath := filepath.Join("..", "sing-box-for-ios")
+	if rw.FileExists(copyPath) {
+		targetDir := filepath.Join(copyPath, "Libbox.xcframework")
+		targetDir, _ = filepath.Abs(targetDir)
+		os.RemoveAll(targetDir)
+		os.Rename("Libbox.xcframework", targetDir)
+		log.Info("copied to ", targetDir)
+	}
+}

cmd/internal/build_shared/sdk.go

@@ -0,0 +1,92 @@
+package build_shared
+
+import (
+	"go/build"
+	"os"
+	"path/filepath"
+	"runtime"
+	"sort"
+	"strconv"
+	"strings"
+
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/rw"
+)
+
+var (
+	androidSDKPath string
+	androidNDKPath string
+)
+
+func FindSDK() {
+	searchPath := []string{
+		"$ANDROID_HOME",
+		"$HOME/Android/Sdk",
+		"$HOME/.local/lib/android/sdk",
+		"$HOME/Library/Android/sdk",
+	}
+	for _, path := range searchPath {
+		path = os.ExpandEnv(path)
+		if rw.FileExists(path + "/licenses/android-sdk-license") {
+			androidSDKPath = path
+			break
+		}
+	}
+	if androidSDKPath == "" {
+		log.Fatal("android SDK not found")
+	}
+	if !findNDK() {
+		log.Fatal("android NDK not found")
+	}
+
+	os.Setenv("ANDROID_HOME", androidSDKPath)
+	os.Setenv("ANDROID_SDK_HOME", androidSDKPath)
+	os.Setenv("ANDROID_NDK_HOME", androidNDKPath)
+	os.Setenv("NDK", androidNDKPath)
+	os.Setenv("PATH", os.Getenv("PATH")+":"+filepath.Join(androidNDKPath, "toolchains", "llvm", "prebuilt", runtime.GOOS+"-x86_64", "bin"))
+}
+
+func findNDK() bool {
+	if rw.FileExists(androidSDKPath + "/ndk/25.1.8937393") {
+		androidNDKPath = androidSDKPath + "/ndk/25.1.8937393"
+		return true
+	}
+	ndkVersions, err := os.ReadDir(androidSDKPath + "/ndk")
+	if err != nil {
+		return false
+	}
+	versionNames := common.Map(ndkVersions, os.DirEntry.Name)
+	if len(versionNames) == 0 {
+		return false
+	}
+	sort.Slice(versionNames, func(i, j int) bool {
+		iVersions := strings.Split(versionNames[i], ".")
+		jVersions := strings.Split(versionNames[j], ".")
+		for k := 0; k < len(iVersions) && k < len(jVersions); k++ {
+			iVersion, _ := strconv.Atoi(iVersions[k])
+			jVersion, _ := strconv.Atoi(jVersions[k])
+			if iVersion != jVersion {
+				return iVersion > jVersion
+			}
+		}
+		return true
+	})
+	for _, versionName := range versionNames {
+		if rw.FileExists(androidSDKPath + "/ndk/" + versionName) {
+			androidNDKPath = androidSDKPath + "/ndk/" + versionName
+			return true
+		}
+	}
+	return false
+}
+
+var GoBinPath string
+
+func FindMobile() {
+	goBin := filepath.Join(build.Default.GOPATH, "bin")
+	if !rw.FileExists(goBin + "/" + "gobind") {
+		log.Fatal("missing gomobile installation")
+	}
+	GoBinPath = goBin
+}

cmd/sing-box/cmd_check.go

@@ -31,7 +31,10 @@ func check() error {
 		return err
 	}
 	ctx, cancel := context.WithCancel(context.Background())
-	_, err = box.New(ctx, options)
+	instance, err := box.New(ctx, options, nil)
+	if err == nil {
+		instance.Close()
+	}
 	cancel()
 	return err
 }

cmd/sing-box/cmd_generate.go

@@ -0,0 +1,139 @@
+package main
+
+import (
+	"crypto/rand"
+	"encoding/base64"
+	"encoding/hex"
+	"os"
+	"strconv"
+
+	"github.com/sagernet/sing-box/log"
+
+	"github.com/gofrs/uuid"
+	"github.com/spf13/cobra"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+)
+
+var commandGenerate = &cobra.Command{
+	Use:   "generate",
+	Short: "Generate things",
+}
+
+func init() {
+	commandGenerate.AddCommand(commandGenerateUUID)
+	commandGenerate.AddCommand(commandGenerateRandom)
+	commandGenerate.AddCommand(commandGenerateWireGuardKeyPair)
+	commandGenerate.AddCommand(commandGenerateRealityKeyPair)
+	mainCommand.AddCommand(commandGenerate)
+}
+
+var (
+	outputBase64 bool
+	outputHex    bool
+)
+
+var commandGenerateRandom = &cobra.Command{
+	Use:   "rand <length>",
+	Short: "Generate random bytes",
+	Args:  cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		err := generateRandom(args)
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func init() {
+	commandGenerateRandom.Flags().BoolVar(&outputBase64, "base64", false, "Generate base64 string")
+	commandGenerateRandom.Flags().BoolVar(&outputHex, "hex", false, "Generate hex string")
+}
+
+func generateRandom(args []string) error {
+	length, err := strconv.Atoi(args[0])
+	if err != nil {
+		return err
+	}
+
+	randomBytes := make([]byte, length)
+	_, err = rand.Read(randomBytes)
+	if err != nil {
+		return err
+	}
+
+	if outputBase64 {
+		_, err = os.Stdout.WriteString(base64.StdEncoding.EncodeToString(randomBytes) + "\n")
+	} else if outputHex {
+		_, err = os.Stdout.WriteString(hex.EncodeToString(randomBytes) + "\n")
+	} else {
+		_, err = os.Stdout.Write(randomBytes)
+	}
+
+	return err
+}
+
+var commandGenerateUUID = &cobra.Command{
+	Use:   "uuid",
+	Short: "Generate UUID string",
+	Args:  cobra.NoArgs,
+	Run: func(cmd *cobra.Command, args []string) {
+		err := generateUUID()
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func generateUUID() error {
+	newUUID, err := uuid.NewV4()
+	if err != nil {
+		return err
+	}
+	_, err = os.Stdout.WriteString(newUUID.String() + "\n")
+	return err
+}
+
+var commandGenerateWireGuardKeyPair = &cobra.Command{
+	Use:   "wg-keypair",
+	Short: "Generate WireGuard key pair",
+	Args:  cobra.NoArgs,
+	Run: func(cmd *cobra.Command, args []string) {
+		err := generateWireGuardKey()
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func generateWireGuardKey() error {
+	privateKey, err := wgtypes.GeneratePrivateKey()
+	if err != nil {
+		return err
+	}
+	os.Stdout.WriteString("PrivateKey: " + privateKey.String() + "\n")
+	os.Stdout.WriteString("PublicKey: " + privateKey.PublicKey().String() + "\n")
+	return nil
+}
+
+var commandGenerateRealityKeyPair = &cobra.Command{
+	Use:   "reality-keypair",
+	Short: "Generate reality key pair",
+	Args:  cobra.NoArgs,
+	Run: func(cmd *cobra.Command, args []string) {
+		err := generateRealityKey()
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func generateRealityKey() error {
+	privateKey, err := wgtypes.GeneratePrivateKey()
+	if err != nil {
+		return err
+	}
+	publicKey := privateKey.PublicKey()
+	os.Stdout.WriteString("PrivateKey: " + base64.RawURLEncoding.EncodeToString(privateKey[:]) + "\n")
+	os.Stdout.WriteString("PublicKey: " + base64.RawURLEncoding.EncodeToString(publicKey[:]) + "\n")
+	return nil
+}

cmd/sing-box/cmd_run.go

@@ -64,7 +64,7 @@ func create() (*box.Box, context.CancelFunc, error) {
 		options.Log.DisableColor = true
 	}
 	ctx, cancel := context.WithCancel(context.Background())
-	instance, err := box.New(ctx, options)
+	instance, err := box.New(ctx, options, nil)
 	if err != nil {
 		cancel()
 		return nil, nil, E.Cause(err, "create service")

common/dialer/conntrack/conn.go

@@ -0,0 +1,51 @@
+package conntrack
+
+import (
+	"net"
+	"runtime/debug"
+
+	"github.com/sagernet/sing/common/x/list"
+)
+
+type Conn struct {
+	net.Conn
+	element *list.Element[*ConnEntry]
+}
+
+func NewConn(conn net.Conn) *Conn {
+	entry := &ConnEntry{
+		Conn:  conn,
+		Stack: debug.Stack(),
+	}
+	connAccess.Lock()
+	element := openConnection.PushBack(entry)
+	connAccess.Unlock()
+	return &Conn{
+		Conn:    conn,
+		element: element,
+	}
+}
+
+func (c *Conn) Close() error {
+	if c.element.Value != nil {
+		connAccess.Lock()
+		if c.element.Value != nil {
+			openConnection.Remove(c.element)
+			c.element.Value = nil
+		}
+		connAccess.Unlock()
+	}
+	return c.Conn.Close()
+}
+
+func (c *Conn) Upstream() any {
+	return c.Conn
+}
+
+func (c *Conn) ReaderReplaceable() bool {
+	return true
+}
+
+func (c *Conn) WriterReplaceable() bool {
+	return true
+}

common/dialer/conntrack/packet_conn.go

@@ -0,0 +1,51 @@
+package conntrack
+
+import (
+	"net"
+	"runtime/debug"
+
+	"github.com/sagernet/sing/common/x/list"
+)
+
+type PacketConn struct {
+	net.PacketConn
+	element *list.Element[*ConnEntry]
+}
+
+func NewPacketConn(conn net.PacketConn) *PacketConn {
+	entry := &ConnEntry{
+		Conn:  conn,
+		Stack: debug.Stack(),
+	}
+	connAccess.Lock()
+	element := openConnection.PushBack(entry)
+	connAccess.Unlock()
+	return &PacketConn{
+		PacketConn: conn,
+		element:    element,
+	}
+}
+
+func (c *PacketConn) Close() error {
+	if c.element.Value != nil {
+		connAccess.Lock()
+		if c.element.Value != nil {
+			openConnection.Remove(c.element)
+			c.element.Value = nil
+		}
+		connAccess.Unlock()
+	}
+	return c.PacketConn.Close()
+}
+
+func (c *PacketConn) Upstream() any {
+	return c.PacketConn
+}
+
+func (c *PacketConn) ReaderReplaceable() bool {
+	return true
+}
+
+func (c *PacketConn) WriterReplaceable() bool {
+	return true
+}

common/dialer/conntrack/track.go

@@ -0,0 +1,43 @@
+package conntrack
+
+import (
+	"io"
+	"sync"
+
+	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/x/list"
+)
+
+var (
+	connAccess     sync.RWMutex
+	openConnection list.List[*ConnEntry]
+)
+
+type ConnEntry struct {
+	Conn  io.Closer
+	Stack []byte
+}
+
+func Count() int {
+	return openConnection.Len()
+}
+
+func List() []*ConnEntry {
+	connAccess.RLock()
+	defer connAccess.RUnlock()
+	connList := make([]*ConnEntry, 0, openConnection.Len())
+	for element := openConnection.Front(); element != nil; element = element.Next() {
+		connList = append(connList, element.Value)
+	}
+	return connList
+}
+
+func Close() {
+	connAccess.Lock()
+	defer connAccess.Unlock()
+	for element := openConnection.Front(); element != nil; element = element.Next() {
+		common.Close(element.Value.Conn)
+		element.Value = nil
+	}
+	openConnection = list.List[*ConnEntry]{}
+}

common/dialer/conntrack/track_disable.go

@@ -0,0 +1,5 @@
+//go:build !with_conntrack
+
+package conntrack
+
+const Enabled = false

common/dialer/conntrack/track_enable.go

@@ -0,0 +1,5 @@
+//go:build with_conntrack
+
+package conntrack
+
+const Enabled = true

common/dialer/default.go

@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/dialer/conntrack"
 	"github.com/sagernet/sing-box/common/warning"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/option"
@@ -13,8 +14,7 @@ import (
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
-
+	"github.com/sagernet/tfo-go"
-	"github.com/database64128/tfo-go/v2"
 )
 
 var warnBindInterfaceOnUnsupportedPlatform = warning.New(
@@ -71,15 +71,7 @@ func NewDefault(router adapter.Router, options option.DialerOptions) *DefaultDia
 		dialer.Control = control.Append(dialer.Control, bindFunc)
 		listener.Control = control.Append(listener.Control, bindFunc)
 	} else if router.AutoDetectInterface() {
-		const useInterfaceName = C.IsLinux
+		bindFunc := router.AutoDetectInterfaceFunc()
-		bindFunc := control.BindToInterfaceFunc(router.InterfaceFinder(), func(network string, address string) (interfaceName string, interfaceIndex int) {
-			remoteAddr := M.ParseSocksaddr(address).Addr
-			if C.IsLinux {
-				return router.InterfaceMonitor().DefaultInterfaceName(remoteAddr), -1
-			} else {
-				return "", router.InterfaceMonitor().DefaultInterfaceIndex(remoteAddr)
-			}
-		})
 		dialer.Control = control.Append(dialer.Control, bindFunc)
 		listener.Control = control.Append(listener.Control, bindFunc)
 	} else if router.DefaultInterface() != "" {
@@ -168,16 +160,30 @@ func (d *DefaultDialer) DialContext(ctx context.Context, network string, address
 		}
 	}
 	if !address.IsIPv6() {
-		return DialSlowContext(&d.dialer4, ctx, network, address)
+		return trackConn(DialSlowContext(&d.dialer4, ctx, network, address))
 	} else {
-		return DialSlowContext(&d.dialer6, ctx, network, address)
+		return trackConn(DialSlowContext(&d.dialer6, ctx, network, address))
 	}
 }
 
 func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
 	if !destination.IsIPv6() {
-		return d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr4)
+		return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr4))
 	} else {
-		return d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr6)
+		return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr6))
 	}
 }
+
+func trackConn(conn net.Conn, err error) (net.Conn, error) {
+	if !conntrack.Enabled || err != nil {
+		return conn, err
+	}
+	return conntrack.NewConn(conn), nil
+}
+
+func trackPacketConn(conn net.PacketConn, err error) (net.PacketConn, error) {
+	if !conntrack.Enabled || err != nil {
+		return conn, err
+	}
+	return conntrack.NewPacketConn(conn), nil
+}

common/dialer/tfo.go

@@ -12,8 +12,7 @@ import (
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
-
+	"github.com/sagernet/tfo-go"
-	"github.com/database64128/tfo-go/v2"
 )
 
 type slowOpenConn struct {

common/geoip/reader.go

@@ -4,7 +4,6 @@ import (
 	"net/netip"
 
 	E "github.com/sagernet/sing/common/exceptions"
-	N "github.com/sagernet/sing/common/network"
 
 	"github.com/oschwald/maxminddb-golang"
 )
@@ -31,8 +30,5 @@ func (r *Reader) Lookup(addr netip.Addr) string {
 	if code != "" {
 		return code
 	}
-	if !N.IsPublicAddr(addr) {
-		return "private"
-	}
 	return "unknown"
 }

common/proxyproto/listener.go

@@ -24,13 +24,13 @@ func (l *Listener) Accept() (net.Conn, error) {
 	bufReader := std_bufio.NewReader(conn)
 	header, err := proxyproto.Read(bufReader)
 	if err != nil && !(l.AcceptNoHeader && err == proxyproto.ErrNoProxyProtocol) {
-		return nil, err
+		return nil, &Error{err}
 	}
 	if bufReader.Buffered() > 0 {
 		cache := buf.NewSize(bufReader.Buffered())
 		_, err = cache.ReadFullFrom(bufReader, cache.FreeLen())
 		if err != nil {
-			return nil, err
+			return nil, &Error{err}
 		}
 		conn = bufio.NewCachedConn(conn, cache)
 	}
@@ -42,3 +42,21 @@ func (l *Listener) Accept() (net.Conn, error) {
 	}
 	return conn, nil
 }
+
+var _ net.Error = (*Error)(nil)
+
+type Error struct {
+	error
+}
+
+func (e *Error) Unwrap() error {
+	return e.error
+}
+
+func (e *Error) Timeout() bool {
+	return false
+}
+
+func (e *Error) Temporary() bool {
+	return true
+}

common/redir/redir_linux.go

@@ -1,6 +1,7 @@
 package redir
 
 import (
+	"encoding/binary"
 	"net"
 	"net/netip"
 	"os"
@@ -29,7 +30,9 @@ func GetOriginalDestination(conn net.Conn) (destination netip.AddrPort, err erro
 			if err != nil {
 				return err
 			}
-			destination = netip.AddrPortFrom(M.AddrFromIP(raw.Addr.Addr[:]), raw.Addr.Port)
+			var port [2]byte
+			binary.BigEndian.PutUint16(port[:], raw.Addr.Port)
+			destination = netip.AddrPortFrom(M.AddrFromIP(raw.Addr.Addr[:]), binary.LittleEndian.Uint16(port[:]))
 		}
 		return nil
 	})

common/settings/proxy_windows.go

@@ -7,7 +7,7 @@ import (
 )
 
 func SetSystemProxy(router adapter.Router, port uint16, isMixed bool) (func() error, error) {
-	err := wininet.SetSystemProxy(F.ToString("http://127.0.0.1:", port), "<local>")
+	err := wininet.SetSystemProxy(F.ToString("http://127.0.0.1:", port), "")
 	if err != nil {
 		return nil, err
 	}

common/sniff/internal/qtls/qtls.go

@@ -13,13 +13,13 @@ import (
 const (
 	VersionDraft29 = 0xff00001d
 	Version1       = 0x1
-	Version2       = 0x709a50c4
+	Version2       = 0x6b3343cf
 )
 
 var (
 	SaltOld = []byte{0xaf, 0xbf, 0xec, 0x28, 0x99, 0x93, 0xd2, 0x4c, 0x9e, 0x97, 0x86, 0xf1, 0x9c, 0x61, 0x11, 0xe0, 0x43, 0x90, 0xa8, 0x99}
 	SaltV1  = []byte{0x38, 0x76, 0x2c, 0xf7, 0xf5, 0x59, 0x34, 0xb3, 0x4d, 0x17, 0x9a, 0xe6, 0xa4, 0xc8, 0x0c, 0xad, 0xcc, 0xbb, 0x7f, 0x0a}
-	SaltV2  = []byte{0xa7, 0x07, 0xc2, 0x03, 0xa5, 0x9b, 0x47, 0x18, 0x4a, 0x1d, 0x62, 0xca, 0x57, 0x04, 0x06, 0xea, 0x7a, 0xe3, 0xe5, 0xd3}
+	SaltV2  = []byte{0x0d, 0xed, 0xe3, 0xde, 0xf7, 0x00, 0xa6, 0xdb, 0x81, 0x93, 0x81, 0xbe, 0x6e, 0x26, 0x9d, 0xcb, 0xf9, 0xbd, 0x2e, 0xd9}
 )
 
 const (

common/tls/acme.go

@@ -5,6 +5,7 @@ package tls
 import (
 	"context"
 	"crypto/tls"
+	"os"
 	"strings"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -13,6 +14,8 @@ import (
 
 	"github.com/caddyserver/certmagic"
 	"github.com/mholt/acmez/acme"
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
 )
 
 type acmeWrapper struct {
@@ -54,6 +57,11 @@ func startACME(ctx context.Context, options option.InboundACMEOptions) (*tls.Con
 	config := &certmagic.Config{
 		DefaultServerName: options.DefaultServerName,
 		Storage:           storage,
+		Logger: zap.New(zapcore.NewCore(
+			zapcore.NewConsoleEncoder(zap.NewProductionEncoderConfig()),
+			os.Stderr,
+			zap.InfoLevel,
+		)),
 	}
 	acmeConfig := certmagic.ACMEIssuer{
 		CA:                      acmeServer,
@@ -63,8 +71,9 @@ func startACME(ctx context.Context, options option.InboundACMEOptions) (*tls.Con
 		DisableTLSALPNChallenge: options.DisableTLSALPNChallenge,
 		AltHTTPPort:             int(options.AlternativeHTTPPort),
 		AltTLSALPNPort:          int(options.AlternativeTLSPort),
+		Logger:                  config.Logger,
 	}
-	if options.ExternalAccount != nil {
+	if options.ExternalAccount != nil && options.ExternalAccount.KeyID != "" {
 		acmeConfig.ExternalAccount = (*acme.EAB)(options.ExternalAccount)
 	}
 	config.Issuers = []certmagic.Issuer{certmagic.NewACMEIssuer(config, acmeConfig)}

common/tls/client.go

@@ -2,16 +2,15 @@ package tls
 
 import (
 	"context"
-	"crypto/tls"
 	"net"
 	"os"
 
 	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/common/badtls"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/option"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
+	aTLS "github.com/sagernet/sing/common/tls"
 )
 
 func NewDialerFromOptions(router adapter.Router, dialer N.Dialer, serverAddress string, options option.OutboundTLSOptions) (N.Dialer, error) {
@@ -31,29 +30,19 @@ func NewClient(router adapter.Router, serverAddress string, options option.Outbo
 	}
 	if options.ECH != nil && options.ECH.Enabled {
 		return NewECHClient(router, serverAddress, options)
+	} else if options.Reality != nil && options.Reality.Enabled {
+		return NewRealityClient(router, serverAddress, options)
 	} else if options.UTLS != nil && options.UTLS.Enabled {
 		return NewUTLSClient(router, serverAddress, options)
 	} else {
-		return NewSTDClient(serverAddress, options)
+		return NewSTDClient(router, serverAddress, options)
 	}
 }
 
 func ClientHandshake(ctx context.Context, conn net.Conn, config Config) (Conn, error) {
-	tlsConn := config.Client(conn)
 	ctx, cancel := context.WithTimeout(ctx, C.TCPTimeout)
 	defer cancel()
-	err := tlsConn.HandshakeContext(ctx)
+	return aTLS.ClientHandshake(ctx, conn, config)
-	if err != nil {
-		return nil, err
-	}
-	if stdConn, isSTD := tlsConn.(*tls.Conn); isSTD {
-		var badConn badtls.TLSConn
-		badConn, err = badtls.Create(stdConn)
-		if err == nil {
-			return badConn, nil
-		}
-	}
-	return tlsConn, nil
 }
 
 type Dialer struct {

common/tls/config.go

@@ -1,41 +1,25 @@
 package tls
 
 import (
-	"context"
 	"crypto/tls"
-	"net"
 
-	"github.com/sagernet/sing-box/adapter"
 	E "github.com/sagernet/sing/common/exceptions"
+	aTLS "github.com/sagernet/sing/common/tls"
 )
 
 type (
-	STDConfig = tls.Config
+	Config                 = aTLS.Config
-	STDConn   = tls.Conn
+	ConfigCompat           = aTLS.ConfigCompat
+	ServerConfig           = aTLS.ServerConfig
+	ServerConfigCompat     = aTLS.ServerConfigCompat
+	WithSessionIDGenerator = aTLS.WithSessionIDGenerator
+	Conn                   = aTLS.Conn
+
+	STDConfig       = tls.Config
+	STDConn         = tls.Conn
+	ConnectionState = tls.ConnectionState
 )
 
-type Config interface {
-	ServerName() string
-	SetServerName(serverName string)
-	NextProtos() []string
-	SetNextProtos(nextProto []string)
-	Config() (*STDConfig, error)
-	Client(conn net.Conn) Conn
-	Clone() Config
-}
-
-type ServerConfig interface {
-	Config
-	adapter.Service
-	Server(conn net.Conn) Conn
-}
-
-type Conn interface {
-	net.Conn
-	HandshakeContext(ctx context.Context) error
-	ConnectionState() tls.ConnectionState
-}
-
 func ParseTLSVersion(version string) (uint16, error) {
 	switch version {
 	case "1.0":

common/tls/ech_client.go

@@ -44,8 +44,8 @@ func (e *ECHClientConfig) Config() (*STDConfig, error) {
 	return nil, E.New("unsupported usage for ECH")
 }
 
-func (e *ECHClientConfig) Client(conn net.Conn) Conn {
+func (e *ECHClientConfig) Client(conn net.Conn) (Conn, error) {
-	return &echConnWrapper{cftls.Client(conn, e.config)}
+	return &echConnWrapper{cftls.Client(conn, e.config)}, nil
 }
 
 func (e *ECHClientConfig) Clone() Config {
@@ -76,6 +76,10 @@ func (c *echConnWrapper) ConnectionState() tls.ConnectionState {
 	}
 }
 
+func (c *echConnWrapper) Upstream() any {
+	return c.Conn
+}
+
 func NewECHClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
 	var serverName string
 	if options.ServerName != "" {
@@ -90,6 +94,7 @@ func NewECHClient(router adapter.Router, serverAddress string, options option.Ou
 	}
 
 	var tlsConfig cftls.Config
+	tlsConfig.Time = router.TimeFunc()
 	if options.DisableSNI {
 		tlsConfig.ServerName = "127.0.0.1"
 	} else {

common/tls/mkcert.go

@@ -11,7 +11,10 @@ import (
 	"time"
 )
 
-func GenerateKeyPair(serverName string) (*tls.Certificate, error) {
+func GenerateKeyPair(timeFunc func() time.Time, serverName string) (*tls.Certificate, error) {
+	if timeFunc == nil {
+		timeFunc = time.Now
+	}
 	key, err := rsa.GenerateKey(rand.Reader, 2048)
 	if err != nil {
 		return nil, err
@@ -22,8 +25,8 @@ func GenerateKeyPair(serverName string) (*tls.Certificate, error) {
 	}
 	template := &x509.Certificate{
 		SerialNumber:          serialNumber,
-		NotBefore:             time.Now().Add(time.Hour * -1),
+		NotBefore:             timeFunc().Add(time.Hour * -1),
-		NotAfter:              time.Now().Add(time.Hour),
+		NotAfter:              timeFunc().Add(time.Hour),
 		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
 		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
 		BasicConstraintsValid: true,

common/tls/reality_client.go

@@ -0,0 +1,230 @@
+//go:build with_utls
+
+package tls
+
+import (
+	"bytes"
+	"context"
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/ed25519"
+	"crypto/hmac"
+	"crypto/sha256"
+	"crypto/sha512"
+	"crypto/tls"
+	"crypto/x509"
+	"encoding/base64"
+	"encoding/binary"
+	"encoding/hex"
+	"fmt"
+	"io"
+	mRand "math/rand"
+	"net"
+	"net/http"
+	"reflect"
+	"strings"
+	"time"
+	"unsafe"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing/common/debug"
+	E "github.com/sagernet/sing/common/exceptions"
+	aTLS "github.com/sagernet/sing/common/tls"
+	utls "github.com/sagernet/utls"
+
+	"golang.org/x/crypto/hkdf"
+	"golang.org/x/net/http2"
+)
+
+var _ ConfigCompat = (*RealityClientConfig)(nil)
+
+type RealityClientConfig struct {
+	uClient   *UTLSClientConfig
+	publicKey []byte
+	shortID   []byte
+}
+
+func NewRealityClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (*RealityClientConfig, error) {
+	if options.UTLS == nil || !options.UTLS.Enabled {
+		return nil, E.New("uTLS is required by reality client")
+	}
+
+	uClient, err := NewUTLSClient(router, serverAddress, options)
+	if err != nil {
+		return nil, err
+	}
+
+	publicKey, err := base64.RawURLEncoding.DecodeString(options.Reality.PublicKey)
+	if err != nil {
+		return nil, E.Cause(err, "decode public_key")
+	}
+	if len(publicKey) != 32 {
+		return nil, E.New("invalid public_key")
+	}
+	shortID, err := hex.DecodeString(options.Reality.ShortID)
+	if err != nil {
+		return nil, E.Cause(err, "decode short_id")
+	}
+	if len(shortID) != 8 {
+		return nil, E.New("invalid short_id")
+	}
+	return &RealityClientConfig{uClient, publicKey, shortID}, nil
+}
+
+func (e *RealityClientConfig) ServerName() string {
+	return e.uClient.ServerName()
+}
+
+func (e *RealityClientConfig) SetServerName(serverName string) {
+	e.uClient.SetServerName(serverName)
+}
+
+func (e *RealityClientConfig) NextProtos() []string {
+	return e.uClient.NextProtos()
+}
+
+func (e *RealityClientConfig) SetNextProtos(nextProto []string) {
+	e.uClient.SetNextProtos(nextProto)
+}
+
+func (e *RealityClientConfig) Config() (*STDConfig, error) {
+	return nil, E.New("unsupported usage for reality")
+}
+
+func (e *RealityClientConfig) Client(conn net.Conn) (Conn, error) {
+	return ClientHandshake(context.Background(), conn, e)
+}
+
+func (e *RealityClientConfig) ClientHandshake(ctx context.Context, conn net.Conn) (aTLS.Conn, error) {
+	verifier := &realityVerifier{
+		serverName: e.uClient.ServerName(),
+	}
+	uConfig := e.uClient.config.Clone()
+	uConfig.InsecureSkipVerify = true
+	uConfig.SessionTicketsDisabled = true
+	uConfig.VerifyPeerCertificate = verifier.VerifyPeerCertificate
+	uConn := utls.UClient(conn, uConfig, e.uClient.id)
+	verifier.UConn = uConn
+	err := uConn.BuildHandshakeState()
+	if err != nil {
+		return nil, err
+	}
+	hello := uConn.HandshakeState.Hello
+	hello.SessionId = make([]byte, 32)
+	copy(hello.Raw[39:], hello.SessionId)
+
+	var nowTime time.Time
+	if uConfig.Time != nil {
+		nowTime = uConfig.Time()
+	} else {
+		nowTime = time.Now()
+	}
+	binary.BigEndian.PutUint64(hello.SessionId, uint64(nowTime.Unix()))
+
+	hello.SessionId[0] = 1
+	hello.SessionId[1] = 7
+	hello.SessionId[2] = 5
+	copy(hello.SessionId[8:], e.shortID)
+
+	if debug.Enabled {
+		fmt.Printf("REALITY hello.sessionId[:16]: %v\n", hello.SessionId[:16])
+	}
+
+	authKey := uConn.HandshakeState.State13.EcdheParams.SharedKey(e.publicKey)
+	if authKey == nil {
+		return nil, E.New("nil auth_key")
+	}
+	verifier.authKey = authKey
+	_, err = hkdf.New(sha256.New, authKey, hello.Random[:20], []byte("REALITY")).Read(authKey)
+	if err != nil {
+		return nil, err
+	}
+	aesBlock, _ := aes.NewCipher(authKey)
+	aesGcmCipher, _ := cipher.NewGCM(aesBlock)
+	aesGcmCipher.Seal(hello.SessionId[:0], hello.Random[20:], hello.SessionId[:16], hello.Raw)
+	copy(hello.Raw[39:], hello.SessionId)
+	if debug.Enabled {
+		fmt.Printf("REALITY hello.sessionId: %v\n", hello.SessionId)
+		fmt.Printf("REALITY uConn.AuthKey: %v\n", authKey)
+	}
+
+	err = uConn.HandshakeContext(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	if debug.Enabled {
+		fmt.Printf("REALITY Conn.Verified: %v\n", verifier.verified)
+	}
+
+	if !verifier.verified {
+		go realityClientFallback(uConn, e.uClient.ServerName(), e.uClient.id)
+		return nil, E.New("reality verification failed")
+	}
+
+	return &utlsConnWrapper{uConn}, nil
+}
+
+func realityClientFallback(uConn net.Conn, serverName string, fingerprint utls.ClientHelloID) {
+	defer uConn.Close()
+	client := &http.Client{
+		Transport: &http2.Transport{
+			DialTLSContext: func(ctx context.Context, network, addr string, config *tls.Config) (net.Conn, error) {
+				return uConn, nil
+			},
+		},
+	}
+	request, _ := http.NewRequest("GET", "https://"+serverName, nil)
+	request.Header.Set("User-Agent", fingerprint.Client)
+	request.AddCookie(&http.Cookie{Name: "padding", Value: strings.Repeat("0", mRand.Intn(32)+30)})
+	response, err := client.Do(request)
+	if err != nil {
+		return
+	}
+	_, _ = io.Copy(io.Discard, response.Body)
+	response.Body.Close()
+}
+
+func (e *RealityClientConfig) SetSessionIDGenerator(generator func(clientHello []byte, sessionID []byte) error) {
+	e.uClient.config.SessionIDGenerator = generator
+}
+
+func (e *RealityClientConfig) Clone() Config {
+	return &RealityClientConfig{
+		e.uClient.Clone().(*UTLSClientConfig),
+		e.publicKey,
+		e.shortID,
+	}
+}
+
+type realityVerifier struct {
+	*utls.UConn
+	serverName string
+	authKey    []byte
+	verified   bool
+}
+
+func (c *realityVerifier) VerifyPeerCertificate(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
+	p, _ := reflect.TypeOf(c.Conn).Elem().FieldByName("peerCertificates")
+	certs := *(*([]*x509.Certificate))(unsafe.Pointer(uintptr(unsafe.Pointer(c.Conn)) + p.Offset))
+	if pub, ok := certs[0].PublicKey.(ed25519.PublicKey); ok {
+		h := hmac.New(sha512.New, c.authKey)
+		h.Write(pub)
+		if bytes.Equal(h.Sum(nil), certs[0].Signature) {
+			c.verified = true
+			return nil
+		}
+	}
+	opts := x509.VerifyOptions{
+		DNSName:       c.serverName,
+		Intermediates: x509.NewCertPool(),
+	}
+	for _, cert := range certs[1:] {
+		opts.Intermediates.AddCert(cert)
+	}
+	if _, err := certs[0].Verify(opts); err != nil {
+		return err
+	}
+	return nil
+}

common/tls/reality_server.go

@@ -0,0 +1,192 @@
+//go:build with_reality_server
+
+package tls
+
+import (
+	"context"
+	"crypto/tls"
+	"encoding/base64"
+	"encoding/hex"
+	"net"
+	"time"
+
+	"github.com/sagernet/reality"
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/dialer"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing/common/debug"
+	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+)
+
+var _ ServerConfigCompat = (*RealityServerConfig)(nil)
+
+type RealityServerConfig struct {
+	config *reality.Config
+}
+
+func NewRealityServer(ctx context.Context, router adapter.Router, logger log.Logger, options option.InboundTLSOptions) (*RealityServerConfig, error) {
+	var tlsConfig reality.Config
+
+	if options.ACME != nil && len(options.ACME.Domain) > 0 {
+		return nil, E.New("acme is unavailable in reality")
+	}
+	tlsConfig.Time = router.TimeFunc()
+	if options.ServerName != "" {
+		tlsConfig.ServerName = options.ServerName
+	}
+	if len(options.ALPN) > 0 {
+		tlsConfig.NextProtos = append(tlsConfig.NextProtos, options.ALPN...)
+	}
+	if options.MinVersion != "" {
+		minVersion, err := ParseTLSVersion(options.MinVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse min_version")
+		}
+		tlsConfig.MinVersion = minVersion
+	}
+	if options.MaxVersion != "" {
+		maxVersion, err := ParseTLSVersion(options.MaxVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse max_version")
+		}
+		tlsConfig.MaxVersion = maxVersion
+	}
+	if options.CipherSuites != nil {
+	find:
+		for _, cipherSuite := range options.CipherSuites {
+			for _, tlsCipherSuite := range tls.CipherSuites() {
+				if cipherSuite == tlsCipherSuite.Name {
+					tlsConfig.CipherSuites = append(tlsConfig.CipherSuites, tlsCipherSuite.ID)
+					continue find
+				}
+			}
+			return nil, E.New("unknown cipher_suite: ", cipherSuite)
+		}
+	}
+	if options.Certificate != "" || options.CertificatePath != "" {
+		return nil, E.New("certificate is unavailable in reality")
+	}
+	if options.Key != "" || options.KeyPath != "" {
+		return nil, E.New("key is unavailable in reality")
+	}
+
+	tlsConfig.SessionTicketsDisabled = true
+	tlsConfig.Type = N.NetworkTCP
+	tlsConfig.Dest = options.Reality.Handshake.ServerOptions.Build().String()
+
+	tlsConfig.ServerNames = map[string]bool{options.ServerName: true}
+	privateKey, err := base64.RawURLEncoding.DecodeString(options.Reality.PrivateKey)
+	if err != nil {
+		return nil, E.Cause(err, "decode private key")
+	}
+	if len(privateKey) != 32 {
+		return nil, E.New("invalid private key")
+	}
+	tlsConfig.PrivateKey = privateKey
+	tlsConfig.MaxTimeDiff = time.Duration(options.Reality.MaxTimeDifference)
+
+	tlsConfig.ShortIds = make(map[[8]byte]bool)
+	for i, shortID := range options.Reality.ShortID {
+		var shortIDBytesArray [8]byte
+		decodedLen, err := hex.Decode(shortIDBytesArray[:], []byte(shortID))
+		if err != nil {
+			return nil, E.Cause(err, "decode short_id[", i, "]: ", shortID)
+		}
+		if decodedLen != 8 {
+			return nil, E.New("invalid short_id[", i, "]: ", shortID)
+		}
+		tlsConfig.ShortIds[shortIDBytesArray] = true
+	}
+
+	handshakeDialer := dialer.New(router, options.Reality.Handshake.DialerOptions)
+	tlsConfig.DialContext = func(ctx context.Context, network, addr string) (net.Conn, error) {
+		return handshakeDialer.DialContext(ctx, network, M.ParseSocksaddr(addr))
+	}
+
+	if debug.Enabled {
+		tlsConfig.Show = true
+	}
+
+	return &RealityServerConfig{&tlsConfig}, nil
+}
+
+func (c *RealityServerConfig) ServerName() string {
+	return c.config.ServerName
+}
+
+func (c *RealityServerConfig) SetServerName(serverName string) {
+	c.config.ServerName = serverName
+}
+
+func (c *RealityServerConfig) NextProtos() []string {
+	return c.config.NextProtos
+}
+
+func (c *RealityServerConfig) SetNextProtos(nextProto []string) {
+	c.config.NextProtos = nextProto
+}
+
+func (c *RealityServerConfig) Config() (*tls.Config, error) {
+	return nil, E.New("unsupported usage for reality")
+}
+
+func (c *RealityServerConfig) Client(conn net.Conn) (Conn, error) {
+	return ClientHandshake(context.Background(), conn, c)
+}
+
+func (c *RealityServerConfig) Start() error {
+	return nil
+}
+
+func (c *RealityServerConfig) Close() error {
+	return nil
+}
+
+func (c *RealityServerConfig) Server(conn net.Conn) (Conn, error) {
+	return ServerHandshake(context.Background(), conn, c)
+}
+
+func (c *RealityServerConfig) ServerHandshake(ctx context.Context, conn net.Conn) (Conn, error) {
+	tlsConn, err := reality.Server(ctx, conn, c.config)
+	if err != nil {
+		return nil, err
+	}
+	return &realityConnWrapper{Conn: tlsConn}, nil
+}
+
+func (c *RealityServerConfig) Clone() Config {
+	return &RealityServerConfig{
+		config: c.config.Clone(),
+	}
+}
+
+var _ Conn = (*realityConnWrapper)(nil)
+
+type realityConnWrapper struct {
+	*reality.Conn
+}
+
+func (c *realityConnWrapper) ConnectionState() ConnectionState {
+	state := c.Conn.ConnectionState()
+	return tls.ConnectionState{
+		Version:                     state.Version,
+		HandshakeComplete:           state.HandshakeComplete,
+		DidResume:                   state.DidResume,
+		CipherSuite:                 state.CipherSuite,
+		NegotiatedProtocol:          state.NegotiatedProtocol,
+		NegotiatedProtocolIsMutual:  state.NegotiatedProtocolIsMutual,
+		ServerName:                  state.ServerName,
+		PeerCertificates:            state.PeerCertificates,
+		VerifiedChains:              state.VerifiedChains,
+		SignedCertificateTimestamps: state.SignedCertificateTimestamps,
+		OCSPResponse:                state.OCSPResponse,
+		TLSUnique:                   state.TLSUnique,
+	}
+}
+
+func (c *realityConnWrapper) Upstream() any {
+	return c.Conn
+}

common/tls/reality_stub.go

@@ -0,0 +1,16 @@
+//go:build !with_reality_server
+
+package tls
+
+import (
+	"context"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+func NewRealityServer(ctx context.Context, router adapter.Router, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
+	return nil, E.New(`reality server is not included in this build, rebuild with -tags with_reality_server`)
+}

common/tls/server.go

@@ -2,36 +2,28 @@ package tls
 
 import (
 	"context"
-	"crypto/tls"
 	"net"
 
-	"github.com/sagernet/sing-box/common/badtls"
+	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
+	aTLS "github.com/sagernet/sing/common/tls"
 )
 
-func NewServer(ctx context.Context, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
+func NewServer(ctx context.Context, router adapter.Router, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
 	if !options.Enabled {
 		return nil, nil
 	}
-	return NewSTDServer(ctx, logger, options)
+	if options.Reality != nil && options.Reality.Enabled {
+		return NewRealityServer(ctx, router, logger, options)
+	} else {
+		return NewSTDServer(ctx, router, logger, options)
+	}
 }
 
 func ServerHandshake(ctx context.Context, conn net.Conn, config ServerConfig) (Conn, error) {
-	tlsConn := config.Server(conn)
 	ctx, cancel := context.WithTimeout(ctx, C.TCPTimeout)
 	defer cancel()
-	err := tlsConn.HandshakeContext(ctx)
+	return aTLS.ServerHandshake(ctx, conn, config)
-	if err != nil {
-		return nil, err
-	}
-	if stdConn, isSTD := tlsConn.(*tls.Conn); isSTD {
-		var badConn badtls.TLSConn
-		badConn, err = badtls.Create(stdConn)
-		if err == nil {
-			return badConn, nil
-		}
-	}
-	return tlsConn, nil
 }

common/tls/std_client.go

@@ -7,6 +7,7 @@ import (
 	"net/netip"
 	"os"
 
+	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
 )
@@ -35,15 +36,15 @@ func (s *STDClientConfig) Config() (*STDConfig, error) {
 	return s.config, nil
 }
 
-func (s *STDClientConfig) Client(conn net.Conn) Conn {
+func (s *STDClientConfig) Client(conn net.Conn) (Conn, error) {
-	return tls.Client(conn, s.config)
+	return tls.Client(conn, s.config), nil
 }
 
 func (s *STDClientConfig) Clone() Config {
 	return &STDClientConfig{s.config.Clone()}
 }
 
-func NewSTDClient(serverAddress string, options option.OutboundTLSOptions) (Config, error) {
+func NewSTDClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
 	var serverName string
 	if options.ServerName != "" {
 		serverName = options.ServerName
@@ -57,6 +58,7 @@ func NewSTDClient(serverAddress string, options option.OutboundTLSOptions) (Conf
 	}
 
 	var tlsConfig tls.Config
+	tlsConfig.Time = router.TimeFunc()
 	if options.DisableSNI {
 		tlsConfig.ServerName = "127.0.0.1"
 	} else {

common/tls/std_server.go

@@ -48,12 +48,12 @@ func (c *STDServerConfig) Config() (*STDConfig, error) {
 	return c.config, nil
 }
 
-func (c *STDServerConfig) Client(conn net.Conn) Conn {
+func (c *STDServerConfig) Client(conn net.Conn) (Conn, error) {
-	return tls.Client(conn, c.config)
+	return tls.Client(conn, c.config), nil
 }
 
-func (c *STDServerConfig) Server(conn net.Conn) Conn {
+func (c *STDServerConfig) Server(conn net.Conn) (Conn, error) {
-	return tls.Server(conn, c.config)
+	return tls.Server(conn, c.config), nil
 }
 
 func (c *STDServerConfig) Clone() Config {
@@ -156,7 +156,7 @@ func (c *STDServerConfig) Close() error {
 	return nil
 }
 
-func NewSTDServer(ctx context.Context, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
+func NewSTDServer(ctx context.Context, router adapter.Router, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
 	if !options.Enabled {
 		return nil, nil
 	}
@@ -175,6 +175,7 @@ func NewSTDServer(ctx context.Context, logger log.Logger, options option.Inbound
 	} else {
 		tlsConfig = &tls.Config{}
 	}
+	tlsConfig.Time = router.TimeFunc()
 	if options.ServerName != "" {
 		tlsConfig.ServerName = options.ServerName
 	}
@@ -230,7 +231,7 @@ func NewSTDServer(ctx context.Context, logger log.Logger, options option.Inbound
 		}
 		if certificate == nil && key == nil && options.Insecure {
 			tlsConfig.GetCertificate = func(info *tls.ClientHelloInfo) (*tls.Certificate, error) {
-				return GenerateKeyPair(info.ServerName)
+				return GenerateKeyPair(router.TimeFunc(), info.ServerName)
 			}
 		} else {
 			if certificate == nil {

common/tls/utls_client.go

@@ -5,6 +5,7 @@ package tls
 import (
 	"crypto/tls"
 	"crypto/x509"
+	"math/rand"
 	"net"
 	"net/netip"
 	"os"
@@ -12,8 +13,9 @@ import (
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
+	utls "github.com/sagernet/utls"
 
-	utls "github.com/refraction-networking/utls"
+	"golang.org/x/net/http2"
 )
 
 type UTLSClientConfig struct {
@@ -34,6 +36,9 @@ func (e *UTLSClientConfig) NextProtos() []string {
 }
 
 func (e *UTLSClientConfig) SetNextProtos(nextProto []string) {
+	if len(nextProto) == 1 && nextProto[0] == http2.NextProtoTLS {
+		nextProto = append(nextProto, "http/1.1")
+	}
 	e.config.NextProtos = nextProto
 }
 
@@ -41,8 +46,19 @@ func (e *UTLSClientConfig) Config() (*STDConfig, error) {
 	return nil, E.New("unsupported usage for uTLS")
 }
 
-func (e *UTLSClientConfig) Client(conn net.Conn) Conn {
+func (e *UTLSClientConfig) Client(conn net.Conn) (Conn, error) {
-	return &utlsConnWrapper{utls.UClient(conn, e.config.Clone(), e.id)}
+	return &utlsConnWrapper{utls.UClient(conn, e.config.Clone(), e.id)}, nil
+}
+
+func (e *UTLSClientConfig) SetSessionIDGenerator(generator func(clientHello []byte, sessionID []byte) error) {
+	e.config.SessionIDGenerator = generator
+}
+
+func (e *UTLSClientConfig) Clone() Config {
+	return &UTLSClientConfig{
+		config: e.config.Clone(),
+		id:     e.id,
+	}
 }
 
 type utlsConnWrapper struct {
@@ -67,14 +83,11 @@ func (c *utlsConnWrapper) ConnectionState() tls.ConnectionState {
 	}
 }
 
-func (e *UTLSClientConfig) Clone() Config {
+func (c *utlsConnWrapper) Upstream() any {
-	return &UTLSClientConfig{
+	return c.UConn
-		config: e.config.Clone(),
-		id:     e.id,
-	}
 }
 
-func NewUTLSClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
+func NewUTLSClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (*UTLSClientConfig, error) {
 	var serverName string
 	if options.ServerName != "" {
 		serverName = options.ServerName
@@ -88,6 +101,7 @@ func NewUTLSClient(router adapter.Router, serverAddress string, options option.O
 	}
 
 	var tlsConfig utls.Config
+	tlsConfig.Time = router.TimeFunc()
 	if options.DisableSNI {
 		tlsConfig.ServerName = "127.0.0.1"
 	} else {
@@ -144,28 +158,59 @@ func NewUTLSClient(router adapter.Router, serverAddress string, options option.O
 		}
 		tlsConfig.RootCAs = certPool
 	}
-	var id utls.ClientHelloID
+	id, err := uTLSClientHelloID(options.UTLS.Fingerprint)
-	switch options.UTLS.Fingerprint {
+	if err != nil {
-	case "chrome", "":
+		return nil, err
-		id = utls.HelloChrome_Auto
-	case "firefox":
-		id = utls.HelloFirefox_Auto
-	case "edge":
-		id = utls.HelloEdge_Auto
-	case "safari":
-		id = utls.HelloSafari_Auto
-	case "360":
-		id = utls.Hello360_Auto
-	case "qq":
-		id = utls.HelloQQ_Auto
-	case "ios":
-		id = utls.HelloIOS_Auto
-	case "android":
-		id = utls.HelloAndroid_11_OkHttp
-	case "random":
-		id = utls.HelloRandomized
-	default:
-		return nil, E.New("unknown uTLS fingerprint: ", options.UTLS.Fingerprint)
 	}
 	return &UTLSClientConfig{&tlsConfig, id}, nil
 }
+
+var (
+	randomFingerprint     utls.ClientHelloID
+	randomizedFingerprint utls.ClientHelloID
+)
+
+func init() {
+	modernFingerprints := []utls.ClientHelloID{
+		utls.HelloChrome_Auto,
+		utls.HelloFirefox_Auto,
+		utls.HelloEdge_Auto,
+		utls.HelloSafari_Auto,
+		utls.HelloIOS_Auto,
+	}
+	randomFingerprint = modernFingerprints[rand.Intn(len(modernFingerprints))]
+
+	weights := utls.DefaultWeights
+	weights.TLSVersMax_Set_VersionTLS13 = 1
+	weights.FirstKeyShare_Set_CurveP256 = 0
+	randomizedFingerprint = utls.HelloRandomized
+	randomizedFingerprint.Seed, _ = utls.NewPRNGSeed()
+	randomizedFingerprint.Weights = &weights
+}
+
+func uTLSClientHelloID(name string) (utls.ClientHelloID, error) {
+	switch name {
+	case "chrome", "":
+		return utls.HelloChrome_Auto, nil
+	case "firefox":
+		return utls.HelloFirefox_Auto, nil
+	case "edge":
+		return utls.HelloEdge_Auto, nil
+	case "safari":
+		return utls.HelloSafari_Auto, nil
+	case "360":
+		return utls.Hello360_Auto, nil
+	case "qq":
+		return utls.HelloQQ_Auto, nil
+	case "ios":
+		return utls.HelloIOS_Auto, nil
+	case "android":
+		return utls.HelloAndroid_11_OkHttp, nil
+	case "random":
+		return randomFingerprint, nil
+	case "randomized":
+		return randomizedFingerprint, nil
+	default:
+		return utls.ClientHelloID{}, E.New("unknown uTLS fingerprint: ", name)
+	}
+}

common/tls/utls_stub.go

@@ -11,3 +11,7 @@ import (
 func NewUTLSClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
 	return nil, E.New(`uTLS is not included in this build, rebuild with -tags with_utls`)
 }
+
+func NewRealityClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
+	return nil, E.New(`uTLS, which is required by reality client is not included in this build, rebuild with -tags with_utls`)
+}

constant/dhcp.go

@@ -0,0 +1,8 @@
+package constant
+
+import "time"
+
+const (
+	DHCPTTL     = time.Hour
+	DHCPTimeout = time.Minute
+)

constant/path.go

@@ -3,13 +3,28 @@ package constant
 import (
 	"os"
 	"path/filepath"
+	"strings"
 
 	"github.com/sagernet/sing/common/rw"
 )
 
 const dirName = "sing-box"
 
-var resourcePaths []string
+var (
+	basePath      string
+	resourcePaths []string
+)
+
+func BasePath(name string) string {
+	if basePath == "" || strings.HasPrefix(name, "/") {
+		return name
+	}
+	return filepath.Join(basePath, name)
+}
+
+func SetBasePath(path string) {
+	basePath = path
+}
 
 func FindPath(name string) (string, bool) {
 	name = os.ExpandEnv(name)

constant/version.go

@@ -1,3 +1,3 @@
 package constant
 
-var Version = "1.1"
+var Version = "1.2-beta7"

docs/assets/icon.svg

@@ -0,0 +1,37 @@
+<svg width="1027" height="1109" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" overflow="hidden">
+  <defs>
+    <filter id="fx0" x="-10%" y="-10%" width="120%" height="120%" filterUnits="userSpaceOnUse" primitiveUnits="userSpaceOnUse">
+      <feComponentTransfer color-interpolation-filters="sRGB">
+        <feFuncR type="discrete" tableValues="0 0" />
+          <feFuncG type="discrete" tableValues="0 0" />
+          <feFuncB type="discrete" tableValues="0 0" />
+          <feFuncA type="linear" slope="0.4" intercept="0" />
+      </feComponentTransfer>
+        <feGaussianBlur stdDeviation="4.58333 4.58333" />
+    </filter>
+      <clipPath id="clip1">
+      <rect x="692" y="855" width="1027" height="1109" />
+    </clipPath>
+      <clipPath id="clip2">
+      <rect x="-2" y="-2" width="541" height="786" />
+    </clipPath>
+      <clipPath id="clip3">
+      <rect x="0" y="0" width="535" height="782" />
+    </clipPath>
+  </defs>
+    <g clip-path="url(#clip1)" transform="translate(-692 -855)">
+    <path d="M692 1191 692 1575.69C692 1640.41 731.499 1651.19 731.499 1651.19L1148.03 1931.62C1212.66 1974.77 1194.71 1881.29 1194.71 1881.29L1194.71 1528.96 692 1191Z" fill="#37474F" fill-rule="evenodd" />
+        <g clip-path="url(#clip2)" filter="url(#fx0)" transform="translate(1184 1182)">
+      <g clip-path="url(#clip3)">
+        <path d="M520.482 15.4819 520.482 400.176C520.482 464.89 480.983 475.676 480.983 475.676 480.983 475.676 129.086 712.963 64.4523 756.106-0.181814 799.25 17.7721 705.773 17.7721 705.773L17.7721 353.437 520.482 15.4819Z" fill="#455A64" fill-rule="evenodd" />
+      </g>
+    </g>
+        <path d="M1698 1191 1698 1575.69C1698 1640.41 1658.5 1651.19 1658.5 1651.19 1658.5 1651.19 1306.6 1888.48 1241.97 1931.62 1177.34 1974.77 1195.29 1881.29 1195.29 1881.29L1195.29 1528.96 1698 1191Z" fill="#455A64" fill-rule="evenodd" />
+        <path d="M1241.71 868.473C1212.96 850.509 1169.85 850.509 1144.7 868.473L713.557 1163.07C684.814 1181.04 684.814 1213.37 713.557 1231.33L1144.7 1529.53C1173.44 1547.49 1216.56 1547.49 1241.71 1529.53L1676.44 1227.74C1705.19 1209.78 1705.19 1177.44 1676.44 1159.48L1241.71 868.473Z" fill="#546E7A" fill-rule="evenodd" />
+        <path d="M1195 1949C1173.4 1949 1159 1935.19 1159 1917.92L1159 1531.08C1159 1513.82 1173.4 1500 1195 1500 1216.6 1500 1231 1513.82 1231 1531.08L1231 1914.46C1231 1935.19 1216.6 1949 1195 1949Z" fill="#546E7A" fill-rule="evenodd" />
+        <path d="M1553.92 1435.92C1553.92 1471.89 1557.5 1486.27 1518.03 1511.45L1428.32 1568.99C1388.85 1594.17 1374.5 1572.59 1374.5 1540.22L1374.5 1446.71C1374.5 1439.52 1374.5 1435.92 1363.73 1428.73 1270.43 1363.99 911.591 1115.84 847 1069.09L1012.07 954C1058.72 982.772 1399.61 1209.35 1539.56 1306.45 1546.74 1310.05 1550.33 1317.24 1550.33 1320.84L1550.33 1435.92Z" fill="#99AAB5" fill-rule="evenodd" />
+        <path d="M1543.41 1310.21C1399.82 1213.17 1058.79 986.752 1015.72 958L951.103 997.534 847 1069.41C911.615 1116.14 1270.59 1360.53 1363.92 1425.22 1371.1 1428.81 1371.1 1432.41 1371.1 1436L1547 1313.8C1547 1313.8 1547 1310.21 1543.41 1310.21Z" fill="#CCD6DD" fill-rule="evenodd" />
+        <path d="M1554.9 1435.48 1554.9 1324.19C1554.9 1317.01 1551.3 1313.42 1544.11 1309.83 1400.28 1212.89 1058.67 986.721 1015.51 958L940 1008.26C1062.26 1090.83 1389.49 1306.24 1475.79 1367.27 1486.58 1374.45 1486.58 1381.63 1486.58 1385.22L1486.58 1536 1522.54 1510.87C1558.5 1485.74 1554.9 1467.79 1554.9 1435.48Z" fill="#CCD6DD" fill-rule="evenodd" />
+        <path d="M1543.23 1309.95C1399.6 1212.98 1058.49 986.731 1015.4 958L940 1008.28C1062.08 1090.88 1388.83 1306.36 1475.01 1367.41 1475.01 1367.41 1478.6 1371 1478.6 1371L1554 1317.13C1546.82 1313.54 1546.82 1309.95 1543.23 1309.95Z" fill="#E1E8ED" fill-rule="evenodd" />
+  </g>
+</svg>

docs/changelog.md

@@ -1,3 +1,97 @@
+#### 1.2-beta7
+
+* Fix the compatibility issue between VLESS's vision sub-protocol and the Xray-core client
+* Improve the stability of the VMESS server
+
+#### 1.2-beta6
+
+* Introducing our [new iOS client application](/installation/clients/sfi)
+* Add [platform options](/configuration/inbound/tun#platform) for tun inbound
+* Add custom TLS server support for http based v2ray transports
+* Add generate commands
+* Enable XUDP by default in VLESS
+* Update reality server
+* Update vision protocol
+* Fixed [user flow in vless server](/configuration/inbound/vless#usersflow)
+* Bug fixes
+* Update dependencies
+
+#### 1.2-beta5
+
+* Add [VLESS server](/configuration/inbound/vless) and [vision](/configuration/outbound/vless#flow) support
+* Add [reality TLS](/configuration/shared/tls) support
+* Fix match private address
+
+#### 1.1.6
+
+* Improve vmess request
+* Fix ipv6 redirect on Linux
+* Fix match geoip private
+* Fix parse hysteria UDP message
+* Fix socks connect response
+* Disable vmess header protection if transport enabled
+* Update QUIC v2 version number and initial salt
+
+#### 1.2-beta4
+
+* Add [NTP service](/configuration/ntp)
+* Add Add multiple server names and multi-user support for shadowtls
+* Add strict mode support for shadowtls v3
+* Add uTLS support for shadowtls v3
+
+#### 1.2-beta3
+
+* Update QUIC v2 version number and initial salt
+* Fix shadowtls v3 implementation
+
+#### 1.2-beta2
+
+* Add [ShadowTLS protocol v3](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-v3-en.md)
+* Add fallback support for v2ray transport
+* Fix parse hysteria UDP message
+* Fix socks connect response
+* Disable vmess header protection if transport enabled
+
+#### 1.2-beta1
+
+* Add [DHCP DNS server](/configuration/dns/server) support
+* Add SSH [host key validation](/configuration/outbound/ssh) support
+* Add [query_type](/configuration/dns/rule) DNS rule item
+* Add v2ray [user stats](/configuration/experimental#statsusers) api
+* Add new clash DNS query api
+* Improve vmess request
+* Fix ipv6 redirect on Linux
+* Fix match geoip private
+
+#### 1.1.5
+
+* Add Go 1.20 support
+* Fix inbound default DF value
+* Fix auth_user route for naive inbound
+* Fix gRPC lite header
+* Ignore domain case in route rules
+
+#### 1.1.4
+
+* Fix DNS log
+* Fix write to h2 conn after closed
+* Fix create UDP DNS transport from plain IPv6 address
+
+#### 1.1.2
+
+* Fix http proxy auth
+* Fix user from stream packet conn
+* Fix DNS response TTL
+* Fix override packet conn
+* Skip override system proxy bypass list
+* Improve DNS log
+
+#### 1.1.1
+
+* Fix acme config
+* Fix vmess packet conn
+* Suppress quic-go set DF error
+
 #### 1.1
 
 * Fix close clash cache

docs/configuration/dns/rule.md

@@ -9,6 +9,11 @@
           "mixed-in"
         ],
         "ip_version": 6,
+        "query_type": [
+          "A",
+          "HTTPS",
+          32768
+        ],
         "network": "tcp",
         "auth_user": [
           "usera",
@@ -119,6 +124,10 @@ Tags of [Inbound](/configuration/inbound).
 
 Not limited if empty.
 
+#### query_type
+
+DNS query type. Values can be integers or type name strings.
+
 #### network
 
 `tcp` or `udp`.

docs/configuration/dns/rule.zh.md

@@ -9,6 +9,11 @@
           "mixed-in"
         ],
         "ip_version": 6,
+        "query_type": [
+          "A",
+          "HTTPS",
+          32768
+        ],
         "network": "tcp",
         "auth_user": [
           "usera",
@@ -118,6 +123,10 @@
 
 默认不限制。
 
+#### query_type
+
+DNS 查询类型。值可以为整数或者类型名称字符串。
+
 #### network
 
 `tcp` 或 `udp`。

docs/configuration/dns/server.md

@@ -30,16 +30,17 @@ The tag of the dns server.
 
 The address of the dns server.
 
-| Protocol | Format                      |
+| Protocol | Format                        |
-|----------|-----------------------------|
+|----------|-------------------------------|
-| `System` | `local`                     |
+| `System` | `local`                       |
-| `TCP`    | `tcp://1.0.0.1`             |
+| `TCP`    | `tcp://1.0.0.1`               |
-| `UDP`    | `8.8.8.8` `udp://8.8.4.4`   |
+| `UDP`    | `8.8.8.8` `udp://8.8.4.4`     |
-| `TLS`    | `tls://dns.google`          |
+| `TLS`    | `tls://dns.google`            |
-| `HTTPS`  | `https://1.1.1.1/dns-query` |
+| `HTTPS`  | `https://1.1.1.1/dns-query`   |
-| `QUIC`   | `quic://dns.adguard.com`    |
+| `QUIC`   | `quic://dns.adguard.com`      |
-| `HTTP3`  | `h3://8.8.8.8/dns-query`    |
+| `HTTP3`  | `h3://8.8.8.8/dns-query`      |
-| `RCode`  | `rcode://refused`           |
+| `RCode`  | `rcode://refused`             |
+| `DHCP`   | `dhcp://auto` or `dhcp://en0` |
 
 !!! warning ""
 
@@ -53,6 +54,10 @@ The address of the dns server.
 
     the RCode transport is often used to block queries. Use with rules and the `disable_cache` rule option.
 
+!!! warning ""
+
+    DHCP transport is not included by default, see [Installation](/#installation).
+
 | RCode             | Description           | 
 |-------------------|-----------------------|
 | `success`         | `No error`            |

docs/configuration/dns/server.zh.md

@@ -30,16 +30,17 @@ DNS 服务器的标签。
 
 DNS 服务器的地址。
 
-| 协议       | 格式                          |
+| 协议       | 格式                           |
-|----------|-----------------------------|
+|----------|------------------------------|
-| `System` | `local`                     |
+| `System` | `local`                      |
-| `TCP`    | `tcp://1.0.0.1`             |
+| `TCP`    | `tcp://1.0.0.1`              |
-| `UDP`    | `8.8.8.8` `udp://8.8.4.4`   |
+| `UDP`    | `8.8.8.8` `udp://8.8.4.4`    |
-| `TLS`    | `tls://dns.google`          |
+| `TLS`    | `tls://dns.google`           |
-| `HTTPS`  | `https://1.1.1.1/dns-query` |
+| `HTTPS`  | `https://1.1.1.1/dns-query`  |
-| `QUIC`   | `quic://dns.adguard.com`    |
+| `QUIC`   | `quic://dns.adguard.com`     |
-| `HTTP3`  | `h3://8.8.8.8/dns-query`    |
+| `HTTP3`  | `h3://8.8.8.8/dns-query`     |
-| `RCode`  | `rcode://refused`           |
+| `RCode`  | `rcode://refused`            |
+| `DHCP`   | `dhcp://auto` 或 `dhcp://en0` |
 
 !!! warning ""
 
@@ -53,6 +54,10 @@ DNS 服务器的地址。
 
     RCode 传输层传输层常用于屏蔽请求. 与 DNS 规则和 `disable_cache` 规则选项一起使用。
 
+!!! warning ""
+
+    默认安装不包含 DHCP 传输层，请参阅 [安装](/zh/#_2)。
+
 | RCode             | 描述       | 
 |-------------------|----------|
 | `success`         | `无错误`    |

docs/configuration/experimental/index.md

@@ -9,7 +9,6 @@
       "external_controller": "127.0.0.1:9090",
       "external_ui": "folder",
       "secret": "",
-      "direct_io": false,
       "default_mode": "rule",
       "store_selected": false,
       "cache_file": "cache.db"
@@ -18,13 +17,15 @@
       "listen": "127.0.0.1:8080",
       "stats": {
         "enabled": true,
-        "direct_io": false,
         "inbounds": [
           "socks-in"
         ],
         "outbounds": [
           "proxy",
           "direct"
+        ],
+        "users": [
+          "sekai"
         ]
       }
     }
@@ -58,10 +59,6 @@ Secret for the RESTful API (optional)
 Authenticate by spedifying HTTP header `Authorization: Bearer ${secret}`
 ALWAYS set a secret if RESTful API is listening on 0.0.0.0
 
-#### direct_io
-
-Allows lossless relays like splice without real-time traffic reporting.
-
 #### default_mode
 
 Default mode in clash, `rule` will be used if empty.
@@ -98,10 +95,6 @@ Traffic statistics service settings.
 
 Enable statistics service.
 
-#### stats.direct_io
-
-Allows lossless relays like splice without real-time traffic reporting.
-
 #### stats.inbounds
 
 Inbound list to count traffic.
@@ -109,3 +102,7 @@ Inbound list to count traffic.
 #### stats.outbounds
 
 Outbound list to count traffic.
+
+#### stats.users
+
+User list to count traffic.

docs/configuration/experimental/index.zh.md

@@ -9,7 +9,6 @@
       "external_controller": "127.0.0.1:9090",
       "external_ui": "folder",
       "secret": "",
-      "direct_io": false,
       "default_mode": "rule",
       "store_selected": false,
       "cache_file": "cache.db"
@@ -18,13 +17,15 @@
       "listen": "127.0.0.1:8080",
       "stats": {
         "enabled": true,
-        "direct_io": false,
         "inbounds": [
           "socks-in"
         ],
         "outbounds": [
           "proxy",
           "direct"
+        ],
+        "users": [
+          "sekai"
         ]
       }
     }
@@ -56,10 +57,6 @@ RESTful API 的密钥（可选）
 通过指定 HTTP 标头 `Authorization: Bearer ${secret}` 进行身份验证
 如果 RESTful API 正在监听 0.0.0.0，请始终设置一个密钥。
 
-#### direct_io
-
-允许像 splice 这样的没有实时流量报告的无损中继。
-
 #### default_mode
 
 Clash 中的默认模式，默认使用 `rule`。
@@ -96,10 +93,6 @@ gRPC API 监听地址。如果为空，则禁用 V2Ray API。
 
 启用统计服务。
 
-#### stats.direct_io
-
-允许像 splice 这样的没有实时流量报告的无损中继。
-
 #### stats.inbounds
 
 统计流量的入站列表。
@@ -107,3 +100,7 @@ gRPC API 监听地址。如果为空，则禁用 V2Ray API。
 #### stats.outbounds
 
 统计流量的出站列表。
+
+#### stats.users
+
+统计流量的用户列表。

docs/configuration/inbound/index.md

@@ -26,6 +26,8 @@
 | `trojan`      | [Trojan](./trojan)           | TCP        |
 | `naive`       | [Naive](./naive)             | X          |
 | `hysteria`    | [Hysteria](./hysteria)       | X          |
+| `shadowtls`   | [ShadowTLS](./shadowtls)     | TCP        |
+| `vless`       | [VLESS](./vless)             | TCP        |
 | `tun`         | [Tun](./tun)                 | X          |
 | `redirect`    | [Redirect](./redirect)       | X          |
 | `tproxy`      | [TProxy](./tproxy)           | X          |

docs/configuration/inbound/shadowsocks.md

@@ -77,11 +77,11 @@ Both if empty.
 
 ==Required==
 
-| Method        | Password Format                     |
+| Method        | Password Format                                |
-|---------------|-------------------------------------|
+|---------------|------------------------------------------------|
-| none          | /                                   |
+| none          | /                                              |
-| 2022 methods  | `openssl rand -base64 <Key Length>` |
+| 2022 methods  | `sing-box generate rand --base64 <Key Length>` |
-| other methods | any string                          |
+| other methods | any string                                     |
 
 ### Listen Fields
 

docs/configuration/inbound/shadowsocks.zh.md

@@ -77,8 +77,8 @@ See [Listen Fields](/configuration/shared/listen) for details.
 
 ==必填==
 
-| 方法            | 密码格式                          |
+| 方法            | 密码格式                                     |
-|---------------|-------------------------------|
+|---------------|------------------------------------------|
-| none          | /                             |
+| none          | /                                        |
-| 2022 methods  | `openssl rand -base64 <密钥长度>` |
+| 2022 methods  | `sing-box generate rand --base64 <密钥长度>` |
-| other methods | 任意字符串                         |
+| other methods | 任意字符串                                    |

docs/configuration/inbound/shadowtls.md

@@ -7,14 +7,29 @@
 
   ... // Listen Fields
 
-  "version": 2,
+  "version": 3,
   "password": "fuck me till the daylight",
+  "users": [
+    {
+      "name": "sekai",
+      "password": "8JCsPssfgS8tiRwiMlhARg=="
+    }
+  ],
   "handshake": {
     "server": "google.com",
     "server_port": 443,
     
     ... // Dial Fields
-  }
+  },
+  "handshake_for_server_name": {
+    "example.com": {
+      "server": "example.com",
+      "server_port": 443,
+
+      ... // Dial Fields
+    }
+  },
+  "strict_mode": false
 }
 ```
 
@@ -32,15 +47,35 @@ ShadowTLS protocol version.
 |---------------|-----------------------------------------------------------------------------------------|
 | `1` (default) | [ShadowTLS v1](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-en.md#v1) |
 | `2`           | [ShadowTLS v2](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-en.md#v2) |
+| `3`           | [ShadowTLS v3](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-v3-en.md) |
 
 #### password
 
-Set password.
+ShadowTLS password.
 
-Only available in the ShadowTLS v2 protocol.
+Only available in the ShadowTLS protocol 2.
+
+
+#### users
+
+ShadowTLS users.
+
+Only available in the ShadowTLS protocol 3.
 
 #### handshake
 
 ==Required==
 
-Handshake server address and [Dial options](/configuration/shared/dial).
+Handshake server address and [Dial options](/configuration/shared/dial).
+
+#### handshake_for_server_name
+
+Handshake server address and [Dial options](/configuration/shared/dial) for specific server name.
+
+Only available in the ShadowTLS protocol 2/3.
+
+#### strict_mode
+
+ShadowTLS strict mode.
+
+Only available in the ShadowTLS protocol 3.

docs/configuration/inbound/shadowtls.zh.md

@@ -7,14 +7,29 @@
 
   ... // 监听字段
 
-  "version": 2,
+  "version": 3,
   "password": "fuck me till the daylight",
+  "users": [
+    {
+      "name": "sekai",
+      "password": "8JCsPssfgS8tiRwiMlhARg=="
+    }
+  ],
   "handshake": {
     "server": "google.com",
     "server_port": 443,
 
     ... // 拨号字段
-  }
+  },
+  "handshake_for_server_name": {
+    "example.com": {
+      "server": "example.com",
+      "server_port": 443,
+      
+      ... // 拨号字段
+    }
+  },
+  "strict_mode": false
 }
 ```
 
@@ -32,15 +47,36 @@ ShadowTLS 协议版本。
 |---------------|-----------------------------------------------------------------------------------------|
 | `1` (default) | [ShadowTLS v1](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-en.md#v1) |
 | `2`           | [ShadowTLS v2](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-en.md#v2) |
+| `3`           | [ShadowTLS v3](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-v3-en.md) |
 
 #### password
 
-设置密码。
+ShadowTLS 密码。
 
-仅在 ShadowTLS v2 协议中可用。
+仅在 ShadowTLS 协议版本 2 中可用。
+
+#### users
+
+ShadowTLS 用户。
+
+仅在 ShadowTLS 协议版本 3 中可用。
 
 #### handshake
 
 ==必填==
 
 握手服务器地址和 [拨号参数](/zh/configuration/shared/dial/)。
+
+#### handshake_for_server_name
+
+==必填==
+
+对于特定服务器名称的握手服务器地址和 [拨号参数](/zh/configuration/shared/dial/)。
+
+仅在 ShadowTLS 协议版本 2/3 中可用。
+
+#### strict_mode
+
+ShadowTLS 严格模式。
+
+仅在 ShadowTLS 协议版本 3 中可用。

docs/configuration/inbound/tun.md

@@ -46,8 +46,15 @@
   "exclude_package": [
     "com.android.captiveportallogin"
   ],
-  ...
+  "platform": {
-  // Listen Fields
+    "http_proxy": {
+      "enabled": false,
+      "server": "127.0.0.1",
+      "server_port": 8080
+    }
+  },
+  
+  ... // Listen Fields
 }
 ```
 
@@ -187,6 +194,14 @@ Limit android packages in route.
 
 Exclude android packages in route.
 
+#### platform
+
+Platform-specific settings, provided by client applications.
+
+#### platform.http_proxy
+
+System HTTP proxy settings.
+
 ### Listen Fields
 
 See [Listen Fields](/configuration/shared/listen) for details.

docs/configuration/inbound/tun.zh.md

@@ -46,8 +46,15 @@
   "exclude_package": [
     "com.android.captiveportallogin"
   ],
-  ...
+  "platform": {
-  // 监听字段
+    "http_proxy": {
+      "enabled": false,
+      "server": "127.0.0.1",
+      "server_port": 8080
+    }
+  },
+  
+  ... // 监听字段
 }
 ```
 
@@ -148,19 +155,19 @@ TCP/IP 栈。
 
     UID 规则仅在 Linux 下被支持，并且需要 `auto_route`。
 
-限制被路由的的用户。默认不限制。
+限制被路由的用户。默认不限制。
 
 #### include_uid_range
 
-限制被路由的的用户范围。
+限制被路由的用户范围。
 
 #### exclude_uid
 
-排除路由的的用户。
+排除路由的用户。
 
 #### exclude_uid_range
 
-排除路由的的用户范围。
+排除路由的用户范围。
 
 #### include_android_user
 
@@ -183,6 +190,14 @@ TCP/IP 栈。
 
 排除路由的 Android 应用包名。
 
+#### platform
+
+平台特定的设置，由客户端应用提供。
+
+#### platform.http_proxy
+
+系统 HTTP 代理设置。
+
 ### 监听字段
 
 参阅 [监听字段](/zh/configuration/shared/listen/)。

docs/configuration/inbound/vless.md

@@ -0,0 +1,54 @@
+### Structure
+
+```json
+{
+  "type": "vless",
+  "tag": "vless-in",
+
+  ... // Listen Fields
+
+  "users": [
+    {
+      "name": "sekai",
+      "uuid": "bf000d23-0752-40b4-affe-68f7707a9661",
+      "flow": ""
+    }
+  ],
+  "tls": {},
+  "transport": {}
+}
+```
+
+### Listen Fields
+
+See [Listen Fields](/configuration/shared/listen) for details.
+
+### Fields
+
+#### users
+
+==Required==
+
+VLESS users.
+
+#### users.uuid
+
+==Required==
+
+VLESS user id.
+
+#### users.flow
+
+VLESS Sub-protocol.
+
+Available values:
+
+* `xtls-rprx-vision`
+
+#### tls
+
+TLS configuration, see [TLS](/configuration/shared/tls/#inbound).
+
+#### transport
+
+V2Ray Transport configuration, see [V2Ray Transport](/configuration/shared/v2ray-transport).

docs/configuration/inbound/vless.zh.md

@@ -0,0 +1,54 @@
+### 结构
+
+```json
+{
+  "type": "vless",
+  "tag": "vless-in",
+
+  ... // 监听字段
+
+  "users": [
+    {
+      "name": "sekai",
+      "uuid": "bf000d23-0752-40b4-affe-68f7707a9661",
+      "flow": ""
+    }
+  ],
+  "tls": {},
+  "transport": {}
+}
+```
+
+### 监听字段
+
+参阅 [监听字段](/zh/configuration/shared/listen/)。
+
+### 字段
+
+#### users
+
+==必填==
+
+VLESS 用户。
+
+#### users.uuid
+
+==必填==
+
+VLESS 用户 ID。
+
+#### users.flow
+
+VLESS 子协议。
+
+可用值：
+
+* `xtls-rprx-vision`
+
+#### tls
+
+TLS 配置, 参阅 [TLS](/zh/configuration/shared/tls/#inbound)。
+
+#### transport
+
+V2Ray 传输配置，参阅 [V2Ray 传输层](/zh/configuration/shared/v2ray-transport)。

docs/configuration/index.md

@@ -8,6 +8,7 @@ sing-box uses JSON for configuration files.
 {
   "log": {},
   "dns": {},
+  "ntp": {},
   "inbounds": [],
   "outbounds": [],
   "route": {},
@@ -21,6 +22,7 @@ sing-box uses JSON for configuration files.
 |----------------|--------------------------------|
 | `log`          | [Log](./log)                   |
 | `dns`          | [DNS](./dns)                   |
+| `ntp`          | [NTP](./ntp)                   |
 | `inbounds`     | [Inbound](./inbound)           |
 | `outbounds`    | [Outbound](./outbound)         |
 | `route`        | [Route](./route)               |

docs/configuration/ntp/index.md

@@ -0,0 +1,50 @@
+# NTP
+
+Built-in NTP client service.
+
+If enabled, it will provide time for protocols like TLS/Shadowsocks/VMess, which is useful for environments where time
+synchronization is not possible.
+
+### Structure
+
+```json
+{
+  "ntp": {
+    "enabled": false,
+    "server": "time.apple.com",
+    "server_port": 123,
+    "interval": "30m",
+    
+    ... // Dial Fields
+  }
+}
+
+```
+
+### Fields
+
+#### enabled
+
+Enable NTP service.
+
+#### server
+
+==Required==
+
+NTP server address.
+
+#### server_port
+
+NTP server port.
+
+123 is used by default.
+
+#### interval
+
+Time synchronization interval.
+
+30 minutes is used by default.
+
+### Dial Fields
+
+See [Dial Fields](/configuration/shared/dial) for details.

docs/configuration/ntp/index.zh.md

@@ -0,0 +1,49 @@
+# NTP
+
+内建的 NTP 客户端服务。
+
+如果启用，它将为像 TLS/Shadowsocks/VMess 这样的协议提供时间，这对于无法进行时间同步的环境很有用。
+
+### 结构
+
+```json
+{
+  "ntp": {
+    "enabled": false,
+    "server": "time.apple.com",
+    "server_port": 123,
+    "interval": "30m",
+    
+    ... // 拨号字段
+  }
+}
+
+```
+
+### 字段
+
+#### enabled
+
+启用 NTP 服务。
+
+#### server
+
+==必填==
+
+NTP 服务器地址。
+
+#### server_port
+
+NTP 服务器端口。
+
+默认使用 123。
+
+#### interval
+
+时间同步间隔。
+
+默认使用 30 分钟。
+
+### 拨号字段
+
+参阅 [拨号字段](/zh/configuration/shared/dial/)。

docs/configuration/outbound/index.md

@@ -28,6 +28,7 @@
 | `hysteria`     | [Hysteria](./hysteria)         |
 | `shadowsocksr` | [ShadowsocksR](./shadowsocksr) |
 | `vless`        | [VLESS](./vless)               |
+| `shadowtls`    | [ShadowTLS](./shadowtls)       |
 | `tor`          | [Tor](./tor)                   |
 | `ssh`          | [SSH](./ssh)                   |
 | `dns`          | [DNS](./dns)                   |

docs/configuration/outbound/shadowtls.md

@@ -7,7 +7,7 @@
   
   "server": "127.0.0.1",
   "server_port": 1080,
-  "version": 2,
+  "version": 3,
   "password": "fuck me till the daylight",
   "tls": {},
 
@@ -37,12 +37,13 @@ ShadowTLS protocol version.
 |---------------|-----------------------------------------------------------------------------------------|
 | `1` (default) | [ShadowTLS v1](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-en.md#v1) |
 | `2`           | [ShadowTLS v2](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-en.md#v2) |
+| `3`           | [ShadowTLS v3](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-v3-en.md) |
 
 #### password
 
 Set password.
 
-Only available in the ShadowTLS v2 protocol.
+Only available in the ShadowTLS v2/v3 protocol.
 
 #### tls
 

docs/configuration/outbound/shadowtls.zh.md

@@ -7,7 +7,7 @@
   
   "server": "127.0.0.1",
   "server_port": 1080,
-  "version": 2,
+  "version": 3,
   "password": "fuck me till the daylight",
   "tls": {},
 
@@ -37,12 +37,13 @@ ShadowTLS 协议版本。
 |---------------|-----------------------------------------------------------------------------------------|
 | `1` (default) | [ShadowTLS v1](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-en.md#v1) |
 | `2`           | [ShadowTLS v2](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-en.md#v2) |
+| `3`           | [ShadowTLS v3](https://github.com/ihciah/shadow-tls/blob/master/docs/protocol-v3-en.md) |
 
 #### password
 
 设置密码。
 
-仅在 ShadowTLS v2 协议中可用。
+仅在 ShadowTLS v2/v3 协议中可用。
 
 #### tls
 

docs/configuration/outbound/ssh.md

@@ -12,6 +12,9 @@
   "private_key": "",
   "private_key_path": "$HOME/.ssh/id_rsa",
   "private_key_passphrase": "",
+  "host_key": [
+    "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdH..."
+  ],
   "host_key_algorithms": [],
   "client_version": "SSH-2.0-OpenSSH_7.4p1",
 
@@ -51,6 +54,10 @@ Private key path.
 
 Private key passphrase.
 
+#### host_key
+
+Host key. Accept any if empty.
+
 #### host_key_algorithms
 
 Host key algorithms.

docs/configuration/outbound/ssh.zh.md

@@ -12,6 +12,9 @@
   "private_key": "",
   "private_key_path": "$HOME/.ssh/id_rsa",
   "private_key_passphrase": "",
+  "host_key": [
+    "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdH..."
+  ],
   "host_key_algorithms": [],
   "client_version": "SSH-2.0-OpenSSH_7.4p1",
 
@@ -51,6 +54,10 @@ SSH 用户, 默认使用 root。
 
 密钥密码。
 
+#### host_key
+
+主机密钥，留空接受所有。
+
 #### host_key_algorithms
 
 主机密钥算法。

docs/configuration/outbound/vless.md

@@ -8,6 +8,7 @@
   "server": "127.0.0.1",
   "server_port": 1080,
   "uuid": "bf000d23-0752-40b4-affe-68f7707a9661",
+  "flow": "xtls-rprx-vision",
   "network": "tcp",
   "tls": {},
   "packet_encoding": "",
@@ -17,10 +18,6 @@
 }
 ```
 
-!!! warning ""
-
-    The VLESS protocol is architecturally coupled to v2ray and is unmaintained. This outbound is provided for compatibility purposes only.
-
 ### Fields
 
 #### server
@@ -39,7 +36,15 @@ The server port.
 
 ==Required==
 
-The VLESS user id.
+VLESS user id.
+
+#### flow
+
+VLESS Sub-protocol.
+
+Available values:
+
+* `xtls-rprx-vision`
 
 #### network
 
@@ -55,6 +60,8 @@ TLS configuration, see [TLS](/configuration/shared/tls/#outbound).
 
 #### packet_encoding
 
+UDP packet encoding, xudp is used by default.
+
 | Encoding   | Description           |
 |------------|-----------------------|
 | (none)     | Disabled              |

docs/configuration/outbound/vless.zh.md

@@ -8,6 +8,7 @@
   "server": "127.0.0.1",
   "server_port": 1080,
   "uuid": "bf000d23-0752-40b4-affe-68f7707a9661",
+  "flow": "xtls-rprx-vision",
   "network": "tcp",
   "tls": {},
   "packet_encoding": "",
@@ -17,10 +18,6 @@
 }
 ```
 
-!!! warning ""
-
-    VLESS 协议与 v2ray 架构耦合且无人维护。 提供此出站仅出于兼容性目的。
-
 ### 字段
 
 #### server
@@ -41,6 +38,14 @@
 
 VLESS 用户 ID。
 
+#### flow
+
+VLESS 子协议。
+
+可用值：
+
+* `xtls-rprx-vision`
+
 #### network
 
 启用的网络协议。
@@ -55,6 +60,8 @@ TLS 配置, 参阅 [TLS](/zh/configuration/shared/tls/#outbound)。
 
 #### packet_encoding
 
+UDP 包编码，默认使用 xudp。
+
 | 编码         | 描述            |
 |------------|---------------|
 | (空)        | 禁用            |

docs/configuration/outbound/vmess.md

@@ -50,7 +50,7 @@ Encryption methods:
 * `none`
 * `zero`
 * `aes-128-gcm`
-* `chancha20-poly1305`
+* `chacha20-poly1305`
 
 Legacy encryption methods:
 
@@ -86,6 +86,8 @@ TLS configuration, see [TLS](/configuration/shared/tls/#outbound).
 
 #### packet_encoding
 
+UDP packet encoding.
+
 | Encoding   | Description           |
 |------------|-----------------------|
 | (none)     | Disabled              |

docs/configuration/outbound/vmess.zh.md

@@ -50,7 +50,7 @@ VMess 用户 ID。
 * `none`
 * `zero`
 * `aes-128-gcm`
-* `chancha20-poly1305`
+* `chacha20-poly1305`
 
 旧加密方法：
 
@@ -86,6 +86,8 @@ TLS 配置, 参阅 [TLS](/zh/configuration/shared/tls/#outbound)。
 
 #### packet_encoding
 
+UDP 包编码。
+
 | 编码         | 描述            |
 |------------|---------------|
 | (空)        | 禁用            |

docs/configuration/shared/tls.md

@@ -26,6 +26,20 @@
       "key_id": "",
       "mac_key": ""
     }
+  },
+  "reality": {
+    "enabled": false,
+    "handshake": {
+      "server": "google.com",
+      "server_port": 443,
+
+      ... // Dial Fields
+    },
+    "private_key": "UuMBgl7MXTPx9inmQp2UC7Jcnwc6XYbwDNebonM-FCc",
+    "short_id": [
+      "0123456789abcdef"
+    ],
+    "max_time_difference": "1m"
   }
 }
 ```
@@ -53,6 +67,11 @@
   "utls": {
     "enabled": false,
     "fingerprint": ""
+  },
+  "reality": {
+    "enabled": false,
+    "public_key": "jNXHt1yRo0vDuchQlIP6Z0ZvjT3KtzVI-T4E7RoLJS0",
+    "short_id": "0123456789abcdef"
   }
 }
 ```
@@ -199,6 +218,7 @@ Available fingerprint values:
 * ios
 * android
 * random
+* randomized
 
 Chrome fingerprint will be used if empty.
 
@@ -275,6 +295,54 @@ The key identifier.
 
 The MAC key.
 
+### Reality Fields
+
+!!! warning ""
+
+    reality server is not included by default, see [Installation](/#installation).
+
+!!! warning ""
+
+    uTLS, which is required by reality client is not included by default, see [Installation](/#installation).
+
+#### handshake
+
+==Server only==
+
+==Required==
+
+Handshake server address and [Dial options](/configuration/shared/dial).
+
+#### private_key
+
+==Server only==
+
+==Required==
+
+Private key, generated by `sing-box generate reality-keypair`.
+
+#### public_key
+
+==Client only==
+
+==Required==
+
+Public key, generated by `sing-box generate reality-keypair`.
+
+#### short_id
+
+==Required==
+
+A 8-bit hex string.
+
+#### max_time_difference
+
+==Server only==
+
+The maximum time difference between the server and the client.
+
+Check disabled if empty.
+
 ### Reload
 
 For server configuration, certificate and key will be automatically reloaded if modified.

docs/configuration/shared/tls.zh.md

@@ -26,6 +26,20 @@
       "key_id": "",
       "mac_key": ""
     }
+  },
+  "reality": {
+    "enabled": false,
+    "handshake": {
+      "server": "google.com",
+      "server_port": 443,
+
+      ... // 拨号字段
+    },
+    "private_key": "UuMBgl7MXTPx9inmQp2UC7Jcnwc6XYbwDNebonM-FCc",
+    "short_id": [
+      "0123456789abcdef"
+    ],
+    "max_time_difference": "1m"
   }
 }
 ```
@@ -53,6 +67,11 @@
   "utls": {
     "enabled": false,
     "fingerprint": ""
+  },
+  "reality": {
+    "enabled": false,
+    "public_key": "jNXHt1yRo0vDuchQlIP6Z0ZvjT3KtzVI-T4E7RoLJS0",
+    "short_id": "0123456789abcdef"
   }
 }
 ```
@@ -199,6 +218,7 @@ uTLS 是 "crypto/tls" 的一个分支，它提供了 ClientHello 指纹识别阻
 * ios
 * android
 * random
+* randomized
 
 默认使用 chrome 指纹。
 
@@ -271,6 +291,52 @@ EAB（外部帐户绑定）包含将 ACME 帐户绑定或映射到其他已知
 
 MAC 密钥。
 
+### Reality 字段
+
+!!! warning ""
+
+    默认安装不包含 reality 服务器，参阅 [安装](/zh/#_2)。
+
+!!! warning ""
+
+    默认安装不包含被 reality 客户端需要的 uTLS, 参阅 [安装](/zh/#_2)。
+
+#### handshake
+
+==仅服务器==
+
+==必填==
+
+握手服务器地址和 [拨号参数](/zh/configuration/shared/dial/)。
+
+#### private_key
+
+==仅服务器==
+
+==必填==
+
+私钥，由 `sing-box generate reality-keypair` 生成。
+
+#### public_key
+
+==仅客户端==
+
+==必填==
+
+公钥，由 `sing-box generate reality-keypair` 生成。
+
+#### short_id
+
+==必填==
+
+一个八位十六进制的字符串。
+
+#### max_time_difference
+
+服务器与和客户端之间允许的最大时间差。
+
+默认禁用检查。
+
 ### 重载
 
 对于服务器配置，如果修改，证书和密钥将自动重新加载。

docs/examples/shadowtls.md

@@ -7,8 +7,13 @@
       "type": "shadowtls",
       "listen": "::",
       "listen_port": 4443,
-      "version": 2,
+      "version": 3,
-      "password": "fuck me till the daylight",
+      "users": [
+        {
+          "name": "sekai",
+          "password": "8JCsPssfgS8tiRwiMlhARg=="
+        }
+      ],
       "handshake": {
         "server": "google.com",
         "server_port": 443
@@ -47,11 +52,15 @@
       "tag": "shadowtls-out",
       "server": "127.0.0.1",
       "server_port": 4443,
-      "version": 2,
+      "version": 3,
-      "password": "fuck me till the daylight",
+      "password": "8JCsPssfgS8tiRwiMlhARg==",
       "tls": {
         "enabled": true,
-        "server_name": "google.com"
+        "server_name": "google.com",
+        "utls": {
+          "enabled": true,
+          "fingerprint": "chrome"
+        }
       }
     }
   ]

docs/index.md

@@ -8,44 +8,6 @@ Welcome to the wiki page for the sing-box project.
 
 The universal proxy platform.
 
-## Installation
-
-sing-box requires Golang **1.18.5** or a higher version.
-
-```bash
-go install -v github.com/sagernet/sing-box/cmd/sing-box@latest
-```
-
-Install with options:
-
-```bash
-go install -v -tags with_clash_api github.com/sagernet/sing-box/cmd/sing-box@latest
-```
-
-| Build Tag                          | Description                                                                                                                                                                                                                                                                                                                     |
-|------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| `with_quic`                        | Build with QUIC support, see [QUIC and HTTP3 dns transports](./configuration/dns/server), [Naive inbound](./configuration/inbound/naive), [Hysteria Inbound](./configuration/inbound/hysteria), [Hysteria Outbound](./configuration/outbound/hysteria) and [V2Ray Transport#QUIC](./configuration/shared/v2ray-transport#quic). |
-| `with_grpc`                        | Build with standard gRPC support, see [V2Ray Transport#gRPC](./configuration/shared/v2ray-transport#grpc).                                                                                                                                                                                                                      |
-| `with_wireguard`                   | Build with WireGuard support, see [WireGuard outbound](./configuration/outbound/wireguard).                                                                                                                                                                                                                                     |
-| `with_shadowsocksr`                | Build with ShadowsocksR support, see [ShadowsocksR outbound](./configuration/outbound/shadowsocksr).                                                                                                                                                                                                                            |
-| `with_ech`                         | Build with TLS ECH extension support for TLS outbound, see [TLS](./configuration/shared/tls#ech).                                                                                                                                                                                                                               |
-| `with_utls`                        | Build with [uTLS](https://github.com/refraction-networking/utls) support for TLS outbound, see [TLS](./configuration/shared/tls#utls).                                                                                                                                                                                          |
-| `with_acme`                        | Build with ACME TLS certificate issuer support, see [TLS](./configuration/shared/tls).                                                                                                                                                                                                                                          |
-| `with_clash_api`                   | Build with Clash API support, see [Experimental](./configuration/experimental#clash-api-fields).                                                                                                                                                                                                                                |
-| `with_v2ray_api`                   | Build with V2Ray API support, see [Experimental](./configuration/experimental#v2ray-api-fields).                                                                                                                                                                                                                                |
-| `with_gvisor`                      | Build with gVisor support, see [Tun inbound](./configuration/inbound/tun#stack) and [WireGuard outbound](./configuration/outbound/wireguard#system_interface).                                                                                                                                                                  |
-| `with_embedded_tor` (CGO required) | Build with embedded Tor support, see [Tor outbound](./configuration/outbound/tor).                                                                                                                                                                                                                                              |
-| `with_lwip` (CGO required)         | Build with LWIP Tun stack support, see [Tun inbound](./configuration/inbound/tun#stack).                                                                                                                                                                                                                                        |
-
-The binary is built under $GOPATH/bin
-
-```bash
-sing-box version
-```
-
-It is also recommended to use systemd to manage sing-box service,
-see [Linux server installation example](./examples/linux-server-installation).
-
 ## License
 
 ```

docs/index.zh.md

@@ -8,44 +8,6 @@ description: 欢迎来到该 sing-box 项目的文档页。
 
 通用代理平台。
 
-## 安装
-
-sing-box 需要 Golang **1.18.5** 或更高版本。
-
-```bash
-go install -v github.com/sagernet/sing-box/cmd/sing-box@latest
-```
-
-自定义安装：
-
-```bash
-go install -v -tags with_clash_api github.com/sagernet/sing-box/cmd/sing-box@latest
-```
-
-| 构建标志                         | 描述                                                                                                                                                                                                                                                                           |
-|------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| `with_quic`                  | 启用 QUIC 支持，参阅 [QUIC 和 HTTP3 DNS 传输层](./configuration/dns/server)，[Naive 入站](./configuration/inbound/naive)，[Hysteria 入站](./configuration/inbound/hysteria)，[Hysteria 出站](./configuration/outbound/hysteria) 和 [V2Ray 传输层#QUIC](./configuration/shared/v2ray-transport#quic)。 |
-| `with_grpc`                  | 启用标准 gRPC 支持，参阅 [V2Ray 传输层#gRPC](./configuration/shared/v2ray-transport#grpc)。                                                                                                                                                                                               |
-| `with_wireguard`             | 启用 WireGuard 支持，参阅 [WireGuard 出站](./configuration/outbound/wireguard)。                                                                                                                                                                                                       |
-| `with_shadowsocksr`          | 启用 ShadowsocksR 支持，参阅 [ShadowsocksR 出站](./configuration/outbound/shadowsocksr)。                                                                                                                                                                                              |
-| `with_ech`                   | 启用 TLS ECH 扩展支持，参阅 [TLS](./configuration/shared/tls#ech)。                                                                                                                                                                                                                    |
-| `with_utls`                  | 启用 uTLS 支持，参阅 [实验性](./configuration/experimental#clash-api-fields)。                                                                                                                                                                                                          |
-| `with_acme`                  | 启用 ACME TLS 证书签发支持，参阅 [TLS](./configuration/shared/tls)。                                                                                                                                                                                                                     |
-| `with_clash_api`             | 启用 Clash API 支持，参阅 [实验性](./configuration/experimental#clash-api-fields)。                                                                                                                                                                                                     |
-| `with_v2ray_api`             | 启用 V2Rat API 支持，参阅 [实验性](./configuration/experimental#v2ray-api-fields)。                                                                                                                                                                                                     |
-| `with_gvisor`                | 启用 gVisor 支持，参阅 [Tun 入站](./configuration/inbound/tun#stack) 和 [WireGuard 出站](./configuration/outbound/wireguard#system_interface)。                                                                                                                                           |
-| `with_embedded_tor` (需要 CGO) | 启用 嵌入式 Tor 支持，参阅 [Tor 出站](./configuration/outbound/tor)。                                                                                                                                                                                                                     |
-| `with_lwip` (需要 CGO)         | 启用 LWIP Tun 栈支持，参阅 [Tun 入站](./configuration/inbound/tun#stack)。                                                                                                                                                                                                              |
-
-二进制文件将被构建在 `$GOPATH/bin` 下。
-
-```bash
-sing-box version
-```
-
-同时推荐使用 systemd 来管理 sing-box 服务器实例。
-参阅 [Linux 服务器安装示例](./examples/linux-server-installation)。
-
 ## 授权
 
 ```

docs/installation/clients/sfi/index.md

@@ -0,0 +1,21 @@
+# SFI
+
+Experimental official iOS client for sing-box.
+
+#### Requirements
+
+* iOS 15.0+
+* macOS 12.0+ with Apple Silicon
+
+#### Download
+
+* [TestFlight](https://testflight.apple.com/join/c6ylui2j)
+
+#### Limit
+
+* `system` tun stack not working
+
+#### Privacy policy
+
+* SFI did not collect or share personal data.
+* The data generated by the software is always on your device.

docs/installation/clients/sfi/index.zh.md

@@ -0,0 +1,21 @@
+# SFI
+
+实验性的官方 iOS sing-box 客户端。
+
+#### 要求
+
+* iOS 15.0+
+* macOS 12.0+ with Apple Silicon
+
+#### 下载
+
+* [TestFlight](https://testflight.apple.com/join/c6ylui2j)
+
+#### 限制
+
+* `system` tun stack 不工作
+
+#### 隐私政策
+
+* SFI 不收集或共享个人数据。
+* 软件生成的数据始终在您的设备上。

docs/installation/from-source.md

@@ -0,0 +1,39 @@
+# Install from source
+
+sing-box requires Golang **1.18.5** or a higher version.
+
+```bash
+go install -v github.com/sagernet/sing-box/cmd/sing-box@latest
+```
+
+Install with options:
+
+```bash
+go install -v -tags with_clash_api github.com/sagernet/sing-box/cmd/sing-box@latest
+```
+
+| Build Tag                          | Description                                                                                                                                                                                                                                                                                                                     |
+|------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| `with_quic`                        | Build with QUIC support, see [QUIC and HTTP3 DNS transports](./configuration/dns/server), [Naive inbound](./configuration/inbound/naive), [Hysteria Inbound](./configuration/inbound/hysteria), [Hysteria Outbound](./configuration/outbound/hysteria) and [V2Ray Transport#QUIC](./configuration/shared/v2ray-transport#quic). |
+| `with_grpc`                        | Build with standard gRPC support, see [V2Ray Transport#gRPC](./configuration/shared/v2ray-transport#grpc).                                                                                                                                                                                                                      |
+| `with_dhcp`                        | Build with DHCP support, see [DHCP DNS transport](./configuration/dns/server).                                                                                                                                                                                                                                                  |
+| `with_wireguard`                   | Build with WireGuard support, see [WireGuard outbound](./configuration/outbound/wireguard).                                                                                                                                                                                                                                     |
+| `with_shadowsocksr`                | Build with ShadowsocksR support, see [ShadowsocksR outbound](./configuration/outbound/shadowsocksr).                                                                                                                                                                                                                            |
+| `with_ech`                         | Build with TLS ECH extension support for TLS outbound, see [TLS](./configuration/shared/tls#ech).                                                                                                                                                                                                                               |
+| `with_utls`                        | Build with [uTLS](https://github.com/refraction-networking/utls) support for TLS outbound, see [TLS](./configuration/shared/tls#utls).                                                                                                                                                                                          |
+| `with_reality_server`              | Build with reality TLS server support,  see [TLS](./configuration/shared/tls).                                                                                                                                                                                                                                                  |
+| `with_acme`                        | Build with ACME TLS certificate issuer support, see [TLS](./configuration/shared/tls).                                                                                                                                                                                                                                          |
+| `with_clash_api`                   | Build with Clash API support, see [Experimental](./configuration/experimental#clash-api-fields).                                                                                                                                                                                                                                |
+| `with_v2ray_api`                   | Build with V2Ray API support, see [Experimental](./configuration/experimental#v2ray-api-fields).                                                                                                                                                                                                                                |
+| `with_gvisor`                      | Build with gVisor support, see [Tun inbound](./configuration/inbound/tun#stack) and [WireGuard outbound](./configuration/outbound/wireguard#system_interface).                                                                                                                                                                  |
+| `with_embedded_tor` (CGO required) | Build with embedded Tor support, see [Tor outbound](./configuration/outbound/tor).                                                                                                                                                                                                                                              |
+| `with_lwip` (CGO required)         | Build with LWIP Tun stack support, see [Tun inbound](./configuration/inbound/tun#stack).                                                                                                                                                                                                                                        |
+
+The binary is built under $GOPATH/bin
+
+```bash
+sing-box version
+```
+
+It is also recommended to use systemd to manage sing-box service,
+see [Linux server installation example](./examples/linux-server-installation).

docs/installation/from-source.zh.md

@@ -0,0 +1,39 @@
+# 从源代码安装
+
+sing-box 需要 Golang **1.18.5** 或更高版本。
+
+```bash
+go install -v github.com/sagernet/sing-box/cmd/sing-box@latest
+```
+
+自定义安装：
+
+```bash
+go install -v -tags with_clash_api github.com/sagernet/sing-box/cmd/sing-box@latest
+```
+
+| 构建标志                         | 描述                                                                                                                                                                                                                                                                           |
+|------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| `with_quic`                  | 启用 QUIC 支持，参阅 [QUIC 和 HTTP3 DNS 传输层](./configuration/dns/server)，[Naive 入站](./configuration/inbound/naive)，[Hysteria 入站](./configuration/inbound/hysteria)，[Hysteria 出站](./configuration/outbound/hysteria) 和 [V2Ray 传输层#QUIC](./configuration/shared/v2ray-transport#quic)。 |
+| `with_grpc`                  | 启用标准 gRPC 支持，参阅 [V2Ray 传输层#gRPC](./configuration/shared/v2ray-transport#grpc)。                                                                                                                                                                                               |
+| `with_dhcp`                  | 启用 DHCP 支持，参阅 [DHCP DNS 传输层](./configuration/dns/server)。                                                                                                                                                                                                                    |
+| `with_wireguard`             | 启用 WireGuard 支持，参阅 [WireGuard 出站](./configuration/outbound/wireguard)。                                                                                                                                                                                                       |
+| `with_shadowsocksr`          | 启用 ShadowsocksR 支持，参阅 [ShadowsocksR 出站](./configuration/outbound/shadowsocksr)。                                                                                                                                                                                              |
+| `with_ech`                   | 启用 TLS ECH 扩展支持，参阅 [TLS](./configuration/shared/tls#ech)。                                                                                                                                                                                                                    |
+| `with_utls`                  | 启用 [uTLS](https://github.com/refraction-networking/utls) 支持，参阅 [TLS](./configuration/shared/tls#utls)。                                                                                                                                                                       |
+| `with_reality_server`        | 启用 reality TLS 服务器支持，参阅 [TLS](./configuration/shared/tls)。                                                                                                                                                                                                                   |
+| `with_acme`                  | 启用 ACME TLS 证书签发支持，参阅 [TLS](./configuration/shared/tls)。                                                                                                                                                                                                                     |
+| `with_clash_api`             | 启用 Clash API 支持，参阅 [实验性](./configuration/experimental#clash-api-fields)。                                                                                                                                                                                                     |
+| `with_v2ray_api`             | 启用 V2Ray API 支持，参阅 [实验性](./configuration/experimental#v2ray-api-fields)。                                                                                                                                                                                                     |
+| `with_gvisor`                | 启用 gVisor 支持，参阅 [Tun 入站](./configuration/inbound/tun#stack) 和 [WireGuard 出站](./configuration/outbound/wireguard#system_interface)。                                                                                                                                           |
+| `with_embedded_tor` (需要 CGO) | 启用 嵌入式 Tor 支持，参阅 [Tor 出站](./configuration/outbound/tor)。                                                                                                                                                                                                                     |
+| `with_lwip` (需要 CGO)         | 启用 LWIP Tun 栈支持，参阅 [Tun 入站](./configuration/inbound/tun#stack)。                                                                                                                                                                                                              |
+
+二进制文件将被构建在 `$GOPATH/bin` 下。
+
+```bash
+sing-box version
+```
+
+同时推荐使用 systemd 来管理 sing-box 服务器实例。
+参阅 [Linux 服务器安装示例](./examples/linux-server-installation)。

experimental/clashapi/dns.go

@@ -0,0 +1,82 @@
+package clashapi
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/sagernet/sing-box/adapter"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing/common"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/render"
+	"github.com/miekg/dns"
+)
+
+func dnsRouter(router adapter.Router) http.Handler {
+	r := chi.NewRouter()
+	r.Get("/query", queryDNS(router))
+	return r
+}
+
+func queryDNS(router adapter.Router) func(w http.ResponseWriter, r *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		name := r.URL.Query().Get("name")
+		qTypeStr := r.URL.Query().Get("type")
+		if qTypeStr == "" {
+			qTypeStr = "A"
+		}
+
+		qType, exist := dns.StringToType[qTypeStr]
+		if !exist {
+			render.Status(r, http.StatusBadRequest)
+			render.JSON(w, r, newError("invalid query type"))
+			return
+		}
+
+		ctx, cancel := context.WithTimeout(context.Background(), C.DNSTimeout)
+		defer cancel()
+
+		msg := dns.Msg{}
+		msg.SetQuestion(dns.Fqdn(name), qType)
+		resp, err := router.Exchange(ctx, &msg)
+		if err != nil {
+			render.Status(r, http.StatusInternalServerError)
+			render.JSON(w, r, newError(err.Error()))
+			return
+		}
+
+		responseData := render.M{
+			"Status":   resp.Rcode,
+			"Question": resp.Question,
+			"Server":   "internal",
+			"TC":       resp.Truncated,
+			"RD":       resp.RecursionDesired,
+			"RA":       resp.RecursionAvailable,
+			"AD":       resp.AuthenticatedData,
+			"CD":       resp.CheckingDisabled,
+		}
+
+		rr2Json := func(rr dns.RR) render.M {
+			header := rr.Header()
+			return render.M{
+				"name": header.Name,
+				"type": header.Rrtype,
+				"TTL":  header.Ttl,
+				"data": rr.String()[len(header.String()):],
+			}
+		}
+
+		if len(resp.Answer) > 0 {
+			responseData["Answer"] = common.Map(resp.Answer, rr2Json)
+		}
+		if len(resp.Ns) > 0 {
+			responseData["Authority"] = common.Map(resp.Ns, rr2Json)
+		}
+		if len(resp.Extra) > 0 {
+			responseData["Additional"] = common.Map(resp.Extra, rr2Json)
+		}
+
+		render.JSON(w, r, responseData)
+	}
+}

experimental/clashapi/server.go

@@ -42,9 +42,9 @@ type Server struct {
 	httpServer     *http.Server
 	trafficManager *trafficontrol.Manager
 	urlTestHistory *urltest.HistoryStorage
-	tcpListener    net.Listener
 	mode           string
 	storeSelected  bool
+	cacheFilePath  string
 	cacheFile      adapter.ClashCacheFile
 }
 
@@ -71,11 +71,12 @@ func NewServer(router adapter.Router, logFactory log.ObservableFactory, options
 		if cachePath == "" {
 			cachePath = "cache.db"
 		}
-		cacheFile, err := cachefile.Open(cachePath)
+		if foundPath, loaded := C.FindPath(cachePath); loaded {
-		if err != nil {
+			cachePath = foundPath
-			return nil, E.Cause(err, "open cache file")
+		} else {
+			cachePath = C.BasePath(cachePath)
 		}
-		server.cacheFile = cacheFile
+		server.cacheFilePath = cachePath
 	}
 	cors := cors.New(cors.Options{
 		AllowedOrigins: []string{"*"},
@@ -99,10 +100,11 @@ func NewServer(router adapter.Router, logFactory log.ObservableFactory, options
 		r.Mount("/script", scriptRouter())
 		r.Mount("/profile", profileRouter())
 		r.Mount("/cache", cacheRouter())
+		r.Mount("/dns", dnsRouter(router))
 	})
 	if options.ExternalUI != "" {
 		chiRouter.Group(func(r chi.Router) {
-			fs := http.StripPrefix("/ui", http.FileServer(http.Dir(os.ExpandEnv(options.ExternalUI))))
+			fs := http.StripPrefix("/ui", http.FileServer(http.Dir(C.BasePath(os.ExpandEnv(options.ExternalUI)))))
 			r.Get("/ui", http.RedirectHandler("/ui/", http.StatusTemporaryRedirect).ServeHTTP)
 			r.Get("/ui/*", func(w http.ResponseWriter, r *http.Request) {
 				fs.ServeHTTP(w, r)
@@ -113,12 +115,18 @@ func NewServer(router adapter.Router, logFactory log.ObservableFactory, options
 }
 
 func (s *Server) Start() error {
+	if s.cacheFilePath != "" {
+		cacheFile, err := cachefile.Open(s.cacheFilePath)
+		if err != nil {
+			return E.Cause(err, "open cache file")
+		}
+		s.cacheFile = cacheFile
+	}
 	listener, err := net.Listen("tcp", s.httpServer.Addr)
 	if err != nil {
 		return E.Cause(err, "external controller listen error")
 	}
 	s.logger.Info("restful api listening at ", listener.Addr())
-	s.tcpListener = listener
 	go func() {
 		err = s.httpServer.Serve(listener)
 		if err != nil && !errors.Is(err, http.ErrServerClosed) {
@@ -131,7 +139,6 @@ func (s *Server) Start() error {
 func (s *Server) Close() error {
 	return common.Close(
 		common.PtrOrNil(s.httpServer),
-		s.tcpListener,
 		s.trafficManager,
 		s.cacheFile,
 	)

experimental/libbox/command.go

@@ -0,0 +1,11 @@
+//go:build darwin
+
+package libbox
+
+const (
+	CommandLog int32 = iota
+	CommandStatus
+	CommandServiceStop
+	CommandServiceReload
+	CommandCloseConnections
+)

experimental/libbox/command_client.go

@@ -0,0 +1,75 @@
+//go:build darwin
+
+package libbox
+
+import (
+	"encoding/binary"
+	"net"
+	"path/filepath"
+
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+type CommandClient struct {
+	sharedDirectory string
+	handler         CommandClientHandler
+	conn            net.Conn
+	options         CommandClientOptions
+}
+
+type CommandClientOptions struct {
+	Command        int32
+	StatusInterval int64
+}
+
+type CommandClientHandler interface {
+	Connected()
+	Disconnected(message string)
+	WriteLog(message string)
+	WriteStatus(message *StatusMessage)
+}
+
+func NewCommandClient(sharedDirectory string, handler CommandClientHandler, options *CommandClientOptions) *CommandClient {
+	return &CommandClient{
+		sharedDirectory: sharedDirectory,
+		handler:         handler,
+		options:         common.PtrValueOrDefault(options),
+	}
+}
+
+func clientConnect(sharedDirectory string) (net.Conn, error) {
+	return net.DialUnix("unix", nil, &net.UnixAddr{
+		Name: filepath.Join(sharedDirectory, "command.sock"),
+		Net:  "unix",
+	})
+}
+
+func (c *CommandClient) Connect() error {
+	conn, err := clientConnect(c.sharedDirectory)
+	if err != nil {
+		return err
+	}
+	c.conn = conn
+	err = binary.Write(conn, binary.BigEndian, uint8(c.options.Command))
+	if err != nil {
+		return err
+	}
+	switch c.options.Command {
+	case CommandLog:
+		c.handler.Connected()
+		go c.handleLogConn(conn)
+	case CommandStatus:
+		err = binary.Write(conn, binary.BigEndian, c.options.StatusInterval)
+		if err != nil {
+			return E.Cause(err, "write interval")
+		}
+		c.handler.Connected()
+		go c.handleStatusConn(conn)
+	}
+	return nil
+}
+
+func (c *CommandClient) Disconnect() error {
+	return common.Close(c.conn)
+}

experimental/libbox/command_conntrack.go

@@ -0,0 +1,30 @@
+//go:build darwin
+
+package libbox
+
+import (
+	"encoding/binary"
+	"net"
+	runtimeDebug "runtime/debug"
+	"time"
+
+	"github.com/sagernet/sing-box/common/dialer/conntrack"
+)
+
+func ClientCloseConnections(sharedDirectory string) error {
+	conn, err := clientConnect(sharedDirectory)
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+	return binary.Write(conn, binary.BigEndian, uint8(CommandCloseConnections))
+}
+
+func (s *CommandServer) handleCloseConnections(conn net.Conn) error {
+	conntrack.Close()
+	go func() {
+		time.Sleep(time.Second)
+		runtimeDebug.FreeOSMemory()
+	}()
+	return nil
+}

experimental/libbox/command_log.go

@@ -0,0 +1,103 @@
+//go:build darwin
+
+package libbox
+
+import (
+	"context"
+	"encoding/binary"
+	"io"
+	"net"
+)
+
+func (s *CommandServer) WriteMessage(message string) {
+	s.subscriber.Emit(message)
+	s.access.Lock()
+	s.savedLines.PushBack(message)
+	if s.savedLines.Len() > 100 {
+		s.savedLines.Remove(s.savedLines.Front())
+	}
+	s.access.Unlock()
+}
+
+func readLog(reader io.Reader) ([]byte, error) {
+	var messageLength uint16
+	err := binary.Read(reader, binary.BigEndian, &messageLength)
+	if err != nil {
+		return nil, err
+	}
+	data := make([]byte, messageLength)
+	_, err = io.ReadFull(reader, data)
+	if err != nil {
+		return nil, err
+	}
+	return data, nil
+}
+
+func writeLog(writer io.Writer, message []byte) error {
+	err := binary.Write(writer, binary.BigEndian, uint16(len(message)))
+	if err != nil {
+		return err
+	}
+	_, err = writer.Write(message)
+	return err
+}
+
+func (s *CommandServer) handleLogConn(conn net.Conn) error {
+	var savedLines []string
+	s.access.Lock()
+	savedLines = make([]string, 0, s.savedLines.Len())
+	for element := s.savedLines.Front(); element != nil; element = element.Next() {
+		savedLines = append(savedLines, element.Value)
+	}
+	s.access.Unlock()
+	subscription, done, err := s.observer.Subscribe()
+	if err != nil {
+		return err
+	}
+	defer s.observer.UnSubscribe(subscription)
+	for _, line := range savedLines {
+		err = writeLog(conn, []byte(line))
+		if err != nil {
+			return err
+		}
+	}
+	ctx := connKeepAlive(conn)
+	for {
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		case message := <-subscription:
+			err = writeLog(conn, []byte(message))
+			if err != nil {
+				return err
+			}
+		case <-done:
+			return nil
+		}
+	}
+}
+
+func (c *CommandClient) handleLogConn(conn net.Conn) {
+	for {
+		message, err := readLog(conn)
+		if err != nil {
+			c.handler.Disconnected(err.Error())
+			return
+		}
+		c.handler.WriteLog(string(message))
+	}
+}
+
+func connKeepAlive(reader io.Reader) context.Context {
+	ctx, cancel := context.WithCancelCause(context.Background())
+	go func() {
+		for {
+			_, err := readLog(reader)
+			if err != nil {
+				cancel(err)
+				return
+			}
+		}
+	}()
+	return ctx
+}

experimental/libbox/command_reload.go

@@ -0,0 +1,48 @@
+//go:build darwin
+
+package libbox
+
+import (
+	"encoding/binary"
+	"net"
+
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/rw"
+)
+
+func ClientServiceReload(sharedDirectory string) error {
+	conn, err := clientConnect(sharedDirectory)
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+	err = binary.Write(conn, binary.BigEndian, uint8(CommandServiceReload))
+	if err != nil {
+		return err
+	}
+	var hasError bool
+	err = binary.Read(conn, binary.BigEndian, &hasError)
+	if err != nil {
+		return err
+	}
+	if hasError {
+		errorMessage, err := rw.ReadVString(conn)
+		if err != nil {
+			return err
+		}
+		return E.New(errorMessage)
+	}
+	return nil
+}
+
+func (s *CommandServer) handleServiceReload(conn net.Conn) error {
+	rErr := s.handler.ServiceReload()
+	err := binary.Write(conn, binary.BigEndian, rErr != nil)
+	if err != nil {
+		return err
+	}
+	if rErr != nil {
+		return rw.WriteVString(conn, rErr.Error())
+	}
+	return nil
+}

experimental/libbox/command_server.go

@@ -0,0 +1,99 @@
+//go:build darwin
+
+package libbox
+
+import (
+	"encoding/binary"
+	"net"
+	"os"
+	"path/filepath"
+	"sync"
+
+	"github.com/sagernet/sing-box/log"
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/observable"
+	"github.com/sagernet/sing/common/x/list"
+)
+
+type CommandServer struct {
+	sockPath string
+	listener net.Listener
+	handler  CommandServerHandler
+
+	access     sync.Mutex
+	savedLines *list.List[string]
+	subscriber *observable.Subscriber[string]
+	observer   *observable.Observer[string]
+}
+
+type CommandServerHandler interface {
+	ServiceStop() error
+	ServiceReload() error
+}
+
+func NewCommandServer(sharedDirectory string, handler CommandServerHandler) *CommandServer {
+	server := &CommandServer{
+		sockPath:   filepath.Join(sharedDirectory, "command.sock"),
+		handler:    handler,
+		savedLines: new(list.List[string]),
+		subscriber: observable.NewSubscriber[string](128),
+	}
+	server.observer = observable.NewObserver[string](server.subscriber, 64)
+	return server
+}
+
+func (s *CommandServer) Start() error {
+	os.Remove(s.sockPath)
+	listener, err := net.ListenUnix("unix", &net.UnixAddr{
+		Name: s.sockPath,
+		Net:  "unix",
+	})
+	if err != nil {
+		return err
+	}
+	s.listener = listener
+	go s.loopConnection(listener)
+	return nil
+}
+
+func (s *CommandServer) Close() error {
+	return s.listener.Close()
+}
+
+func (s *CommandServer) loopConnection(listener net.Listener) {
+	for {
+		conn, err := listener.Accept()
+		if err != nil {
+			return
+		}
+		go func() {
+			hErr := s.handleConnection(conn)
+			if hErr != nil && !E.IsClosed(err) {
+				log.Warn("log-server: process connection: ", hErr)
+			}
+		}()
+	}
+}
+
+func (s *CommandServer) handleConnection(conn net.Conn) error {
+	defer conn.Close()
+	var command uint8
+	err := binary.Read(conn, binary.BigEndian, &command)
+	if err != nil {
+		return E.Cause(err, "read command")
+	}
+	switch int32(command) {
+	case CommandLog:
+		return s.handleLogConn(conn)
+	case CommandStatus:
+		return s.handleStatusConn(conn)
+	case CommandServiceStop:
+		return s.handleServiceStop(conn)
+	case CommandServiceReload:
+		return s.handleServiceReload(conn)
+	case CommandCloseConnections:
+		return s.handleCloseConnections(conn)
+	default:
+		return E.New("unknown command: ", command)
+	}
+}

experimental/libbox/command_status.go

@@ -0,0 +1,63 @@
+//go:build darwin
+
+package libbox
+
+import (
+	"encoding/binary"
+	"net"
+	"runtime"
+	"time"
+
+	"github.com/sagernet/sing-box/common/dialer/conntrack"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+type StatusMessage struct {
+	Memory      int64
+	Goroutines  int32
+	Connections int32
+}
+
+func readStatus() StatusMessage {
+	var memStats runtime.MemStats
+	runtime.ReadMemStats(&memStats)
+	var message StatusMessage
+	message.Memory = int64(memStats.StackInuse + memStats.HeapInuse + memStats.HeapIdle - memStats.HeapReleased)
+	message.Goroutines = int32(runtime.NumGoroutine())
+	message.Connections = int32(conntrack.Count())
+	return message
+}
+
+func (s *CommandServer) handleStatusConn(conn net.Conn) error {
+	var interval int64
+	err := binary.Read(conn, binary.BigEndian, &interval)
+	if err != nil {
+		return E.Cause(err, "read interval")
+	}
+	ticker := time.NewTicker(time.Duration(interval))
+	defer ticker.Stop()
+	ctx := connKeepAlive(conn)
+	for {
+		err = binary.Write(conn, binary.BigEndian, readStatus())
+		if err != nil {
+			return err
+		}
+		select {
+		case <-ctx.Done():
+			return nil
+		case <-ticker.C:
+		}
+	}
+}
+
+func (c *CommandClient) handleStatusConn(conn net.Conn) {
+	for {
+		var message StatusMessage
+		err := binary.Read(conn, binary.BigEndian, &message)
+		if err != nil {
+			c.handler.Disconnected(err.Error())
+			return
+		}
+		c.handler.WriteStatus(&message)
+	}
+}

experimental/libbox/command_stop.go

@@ -0,0 +1,50 @@
+//go:build darwin
+
+package libbox
+
+import (
+	"encoding/binary"
+	"net"
+	"runtime/debug"
+
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/rw"
+)
+
+func ClientServiceStop(sharedDirectory string) error {
+	conn, err := clientConnect(sharedDirectory)
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+	err = binary.Write(conn, binary.BigEndian, uint8(CommandServiceStop))
+	if err != nil {
+		return err
+	}
+	var hasError bool
+	err = binary.Read(conn, binary.BigEndian, &hasError)
+	if err != nil {
+		return err
+	}
+	if hasError {
+		errorMessage, err := rw.ReadVString(conn)
+		if err != nil {
+			return err
+		}
+		return E.New(errorMessage)
+	}
+	return nil
+}
+
+func (s *CommandServer) handleServiceStop(conn net.Conn) error {
+	rErr := s.handler.ServiceStop()
+	err := binary.Write(conn, binary.BigEndian, rErr != nil)
+	if err != nil {
+		return err
+	}
+	if rErr != nil {
+		return rw.WriteVString(conn, rErr.Error())
+	}
+	debug.FreeOSMemory()
+	return nil
+}

experimental/libbox/config.go

@@ -0,0 +1,15 @@
+package libbox
+
+import (
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+func parseConfig(configContent string) (option.Options, error) {
+	var options option.Options
+	err := options.UnmarshalJSON([]byte(configContent))
+	if err != nil {
+		return option.Options{}, E.Cause(err, "decode config")
+	}
+	return options, nil
+}