Add with_reality_server to release build tags

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

.github/workflows/debug.yml

@@ -28,7 +28,7 @@ jobs:
         run: |
           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@v3
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ steps.version.outputs.go_version }}
       - name: Cache go module
@@ -58,7 +58,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Setup Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v4
         with:
           go-version: 1.18.10
       - name: Cache go module
@@ -193,7 +193,7 @@ jobs:
         run: |
           echo go_version=$(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@v3
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ steps.version.outputs.go_version }}
       - name: Cache go module

.github/workflows/lint.yml

@@ -28,7 +28,7 @@ jobs:
         run: |
           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@v3
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ steps.version.outputs.go_version }}
       - name: Cache go module

.gitignore

@@ -12,3 +12,4 @@
 /*.aar
 /*.xcframework/
 .DS_Store
+/config.d/

.goreleaser.yaml

@@ -10,12 +10,13 @@ builds:
     gcflags:
       - all=-trimpath={{.Env.GOPATH}}
     ldflags:
-      - -s -w -buildid=
+      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }} -s -w -buildid=
     tags:
       - with_gvisor
       - with_quic
       - with_wireguard
       - with_utls
+      - with_reality_server
       - with_clash_api
     env:
       - CGO_ENABLED=0
@@ -43,7 +44,7 @@ builds:
     gcflags:
       - all=-trimpath={{.Env.GOPATH}}
     ldflags:
-      - -s -w -buildid=
+      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }} -s -w -buildid=
     tags:
       - with_gvisor
       - with_quic

Dockerfile

@@ -8,9 +8,10 @@ ENV CGO_ENABLED=0
 RUN set -ex \
     && apk add git build-base \
     && export COMMIT=$(git rev-parse --short HEAD) \
-    && go build -v -trimpath -tags with_quic,with_wireguard,with_acme \
+    && export VERSION=$(go run ./cmd/internal/read_tag) \
+    && go build -v -trimpath -tags with_quic,with_wireguard,with_reality_server,with_acme \
         -o /go/bin/sing-box \
-        -ldflags "-s -w -buildid=" \
+        -ldflags "-X \"github.com/sagernet/sing-box/constant.Version=$VERSION\" -s -w -buildid=" \
         ./cmd/sing-box
 FROM alpine AS dist
 LABEL maintainer="nekohasekai <contact-git@sekai.icu>"

Makefile

@@ -2,8 +2,14 @@ NAME = sing-box
 COMMIT = $(shell git rev-parse --short HEAD)
 TAGS ?= with_gvisor,with_quic,with_wireguard,with_utls,with_reality_server,with_clash_api
 TAGS_TEST ?= with_gvisor,with_quic,with_wireguard,with_grpc,with_ech,with_utls,with_reality_server,with_shadowsocksr
-PARAMS = -v -trimpath -tags "$(TAGS)" -ldflags "-s -w -buildid="
+
+GOHOSTOS = $(shell go env GOHOSTOS)
+GOHOSTARCH = $(shell go env GOHOSTARCH)
+VERSION=$(shell CGO_ENABLED=0 GOOS=$(GOHOSTOS) GOARCH=$(GOHOSTARCH) go run ./cmd/internal/read_tag)
+
+PARAMS = -v -trimpath -tags "$(TAGS)" -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=$(VERSION)' -s -w -buildid="
 MAIN = ./cmd/sing-box
+PREFIX ?= $(shell go env GOPATH)
 
 .PHONY: test release
 
@@ -11,7 +17,7 @@ build:
 	go build $(PARAMS) $(MAIN)
 
 install:
-	go install $(PARAMS) $(MAIN)
+	go build -o $(PREFIX)/bin/$(NAME) $(PARAMS) $(MAIN)
 
 fmt:
 	@gofumpt -l -w .

README.md

@@ -2,6 +2,8 @@
 
 The universal proxy platform.
 
+[![Packaging status](https://repology.org/badge/vertical-allrepos/sing-box.svg)](https://repology.org/project/sing-box/versions)
+
 ## Documentation
 
 https://sing-box.sagernet.org

adapter/experimental.go

@@ -10,6 +10,7 @@ import (
 
 type ClashServer interface {
 	Service
+	PreStarter
 	Mode() string
 	StoreSelected() bool
 	CacheFile() ClashCacheFile

adapter/prestart.go

@@ -0,0 +1,15 @@
+package adapter
+
+type PreStarter interface {
+	PreStart() error
+}
+
+func PreStart(starter any) error {
+	if preService, ok := starter.(PreStarter); ok {
+		err := preService.PreStart()
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}

box.go

@@ -25,32 +25,34 @@ import (
 var _ adapter.Service = (*Box)(nil)
 
 type Box struct {
-	createdAt   time.Time
-	router      adapter.Router
-	inbounds    []adapter.Inbound
-	outbounds   []adapter.Outbound
-	logFactory  log.Factory
-	logger      log.ContextLogger
-	logFile     *os.File
-	clashServer adapter.ClashServer
-	v2rayServer adapter.V2RayServer
-	done        chan struct{}
+	createdAt    time.Time
+	router       adapter.Router
+	inbounds     []adapter.Inbound
+	outbounds    []adapter.Outbound
+	logFactory   log.Factory
+	logger       log.ContextLogger
+	logFile      *os.File
+	preServices  map[string]adapter.Service
+	postServices map[string]adapter.Service
+	done         chan struct{}
 }
 
 func New(ctx context.Context, options option.Options, platformInterface platform.Interface) (*Box, error) {
 	createdAt := time.Now()
-	logOptions := common.PtrValueOrDefault(options.Log)
+
+	experimentalOptions := common.PtrValueOrDefault(options.Experimental)
+	applyDebugOptions(common.PtrValueOrDefault(experimentalOptions.Debug))
 
 	var needClashAPI bool
 	var needV2RayAPI bool
-	if options.Experimental != nil {
-		if options.Experimental.ClashAPI != nil && options.Experimental.ClashAPI.ExternalController != "" {
-			needClashAPI = true
-		}
-		if options.Experimental.V2RayAPI != nil && options.Experimental.V2RayAPI.Listen != "" {
-			needV2RayAPI = true
-		}
+	if experimentalOptions.ClashAPI != nil && experimentalOptions.ClashAPI.ExternalController != "" {
+		needClashAPI = true
 	}
+	if experimentalOptions.V2RayAPI != nil && experimentalOptions.V2RayAPI.Listen != "" {
+		needV2RayAPI = true
+	}
+
+	logOptions := common.PtrValueOrDefault(options.Log)
 
 	var logFactory log.Factory
 	var observableLogFactory log.ObservableFactory
@@ -164,37 +166,57 @@ func New(ctx context.Context, options option.Options, platformInterface platform
 	if err != nil {
 		return nil, err
 	}
-
-	var clashServer adapter.ClashServer
-	var v2rayServer adapter.V2RayServer
+	preServices := make(map[string]adapter.Service)
+	postServices := make(map[string]adapter.Service)
 	if needClashAPI {
-		clashServer, err = experimental.NewClashServer(router, observableLogFactory, common.PtrValueOrDefault(options.Experimental.ClashAPI))
+		clashServer, err := experimental.NewClashServer(router, observableLogFactory, common.PtrValueOrDefault(options.Experimental.ClashAPI))
 		if err != nil {
 			return nil, E.Cause(err, "create clash api server")
 		}
 		router.SetClashServer(clashServer)
+		preServices["clash api"] = clashServer
 	}
 	if needV2RayAPI {
-		v2rayServer, err = experimental.NewV2RayServer(logFactory.NewLogger("v2ray-api"), common.PtrValueOrDefault(options.Experimental.V2RayAPI))
+		v2rayServer, err := experimental.NewV2RayServer(logFactory.NewLogger("v2ray-api"), common.PtrValueOrDefault(options.Experimental.V2RayAPI))
 		if err != nil {
 			return nil, E.Cause(err, "create v2ray api server")
 		}
 		router.SetV2RayServer(v2rayServer)
+		preServices["v2ray api"] = v2rayServer
 	}
 	return &Box{
-		router:      router,
-		inbounds:    inbounds,
-		outbounds:   outbounds,
-		createdAt:   createdAt,
-		logFactory:  logFactory,
-		logger:      logFactory.Logger(),
-		logFile:     logFile,
-		clashServer: clashServer,
-		v2rayServer: v2rayServer,
-		done:        make(chan struct{}),
+		router:       router,
+		inbounds:     inbounds,
+		outbounds:    outbounds,
+		createdAt:    createdAt,
+		logFactory:   logFactory,
+		logger:       logFactory.Logger(),
+		logFile:      logFile,
+		preServices:  preServices,
+		postServices: postServices,
+		done:         make(chan struct{}),
 	}, nil
 }
 
+func (s *Box) PreStart() error {
+	err := s.preStart()
+	if err != nil {
+		// TODO: remove catch error
+		defer func() {
+			v := recover()
+			if v != nil {
+				log.Error(E.Cause(err, "origin error"))
+				debug.PrintStack()
+				panic("panic on early close: " + fmt.Sprint(v))
+			}
+		}()
+		s.Close()
+		return err
+	}
+	s.logger.Info("sing-box pre-started (", F.Seconds(time.Since(s.createdAt).Seconds()), "s)")
+	return nil
+}
+
 func (s *Box) Start() error {
 	err := s.start()
 	if err != nil {
@@ -208,21 +230,17 @@ func (s *Box) Start() error {
 			}
 		}()
 		s.Close()
+		return err
 	}
-	return err
+	s.logger.Info("sing-box started (", F.Seconds(time.Since(s.createdAt).Seconds()), "s)")
+	return nil
 }
 
-func (s *Box) start() error {
-	if s.clashServer != nil {
-		err := s.clashServer.Start()
+func (s *Box) preStart() error {
+	for serviceName, service := range s.preServices {
+		err := adapter.PreStart(service)
 		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")
+			return E.Cause(err, "pre-start ", serviceName)
 		}
 	}
 	for i, out := range s.outbounds {
@@ -239,10 +257,20 @@ func (s *Box) start() error {
 			}
 		}
 	}
-	err := s.router.Start()
+	return s.router.Start()
+}
+
+func (s *Box) start() error {
+	err := s.preStart()
 	if err != nil {
 		return err
 	}
+	for serviceName, service := range s.preServices {
+		err = service.Start()
+		if err != nil {
+			return E.Cause(err, "start ", serviceName)
+		}
+	}
 	for i, in := range s.inbounds {
 		err = in.Start()
 		if err != nil {
@@ -255,8 +283,12 @@ func (s *Box) start() error {
 			return E.Cause(err, "initialize inbound/", in.Type(), "[", tag, "]")
 		}
 	}
-
-	s.logger.Info("sing-box started (", F.Seconds(time.Since(s.createdAt).Seconds()), "s)")
+	for serviceName, service := range s.postServices {
+		err = service.Start()
+		if err != nil {
+			return E.Cause(err, "start ", serviceName)
+		}
+	}
 	return nil
 }
 
@@ -268,6 +300,11 @@ func (s *Box) Close() error {
 		close(s.done)
 	}
 	var errors error
+	for serviceName, service := range s.postServices {
+		errors = E.Append(errors, service.Close(), func(err error) error {
+			return E.Cause(err, "close ", serviceName)
+		})
+	}
 	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, "]")
@@ -283,21 +320,16 @@ func (s *Box) Close() error {
 			return E.Cause(err, "close router")
 		})
 	}
+	for serviceName, service := range s.preServices {
+		errors = E.Append(errors, service.Close(), func(err error) error {
+			return E.Cause(err, "close ", serviceName)
+		})
+	}
 	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")

cmd/internal/build_libbox/main.go

@@ -35,6 +35,23 @@ func main() {
 	}
 }
 
+var (
+	sharedFlags []string
+	debugFlags  []string
+)
+
+func init() {
+	sharedFlags = append(sharedFlags, "-trimpath")
+	sharedFlags = append(sharedFlags, "-ldflags")
+
+	currentTag, err := build_shared.ReadTag()
+	if err != nil {
+		currentTag = "unknown"
+	}
+	sharedFlags = append(sharedFlags, "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -s -w -buildid=")
+	debugFlags = append(debugFlags, "-X github.com/sagernet/sing-box/constant.Version="+currentTag)
+}
+
 func buildAndroid() {
 	build_shared.FindSDK()
 
@@ -46,14 +63,17 @@ func buildAndroid() {
 		"-libname=box",
 	}
 	if !debugEnabled {
-		args = append(args,
-			"-trimpath", "-ldflags=-s -w -buildid=",
-			"-tags", "with_gvisor,with_quic,with_wireguard,with_utls,with_clash_api",
-		)
+		args = append(args, sharedFlags...)
 	} else {
-		args = append(args, "-tags", "with_gvisor,with_quic,with_wireguard,with_utls,with_clash_api,debug")
+		args = append(args, debugFlags...)
 	}
 
+	args = append(args, "-tags")
+	if !debugEnabled {
+		args = append(args, "with_gvisor,with_quic,with_wireguard,with_utls,with_clash_api")
+	} else {
+		args = append(args, "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...)
@@ -84,14 +104,17 @@ func buildiOS() {
 		"-libname=box",
 	}
 	if !debugEnabled {
-		args = append(
-			args, "-trimpath", "-ldflags=-s -w -buildid=",
-			"-tags", "with_gvisor,with_utls,with_clash_api,with_conntrack",
-		)
+		args = append(args, sharedFlags...)
 	} else {
-		args = append(args, "-tags", "with_gvisor,with_utls,with_clash_api,with_conntrack,debug")
+		args = append(args, debugFlags...)
 	}
 
+	args = append(args, "-tags")
+	if !debugEnabled {
+		args = append(args, "with_gvisor,with_quic,with_utls,with_clash_api,with_low_memory,with_conntrack")
+	} else {
+		args = append(args, "with_gvisor,with_quic,with_utls,with_clash_api,with_low_memory,with_conntrack,debug")
+	}
 	args = append(args, "./experimental/libbox")
 
 	command := exec.Command(build_shared.GoBinPath+"/gomobile", args...)

cmd/internal/build_shared/tag.go

@@ -0,0 +1,16 @@
+package build_shared
+
+import "github.com/sagernet/sing/common/shell"
+
+func ReadTag() (string, error) {
+	currentTag, err := shell.Exec("git", "describe", "--tags").ReadOutput()
+	if err != nil {
+		return currentTag, err
+	}
+	currentTagRev, _ := shell.Exec("git", "describe", "--tags", "--abbrev=0").ReadOutput()
+	if currentTagRev == currentTag {
+		return currentTag[1:], nil
+	}
+	shortCommit, _ := shell.Exec("git", "rev-parse", "--short", "HEAD").ReadOutput()
+	return currentTagRev[1:] + "-" + shortCommit, nil
+}

cmd/internal/read_tag/main.go

@@ -0,0 +1,21 @@
+package main
+
+import (
+	"os"
+
+	"github.com/sagernet/sing-box/cmd/internal/build_shared"
+	"github.com/sagernet/sing-box/log"
+)
+
+func main() {
+	currentTag, err := build_shared.ReadTag()
+	if err != nil {
+		log.Error(err)
+		_, err = os.Stdout.WriteString("unknown\n")
+	} else {
+		_, err = os.Stdout.WriteString(currentTag + "\n")
+	}
+	if err != nil {
+		log.Error(err)
+	}
+}

cmd/sing-box/cmd_check.go

@@ -26,7 +26,7 @@ func init() {
 }
 
 func check() error {
-	options, err := readConfig()
+	options, err := readConfigAndMerge()
 	if err != nil {
 		return err
 	}

cmd/sing-box/cmd_format.go

@@ -33,6 +33,44 @@ func init() {
 }
 
 func format() error {
+	optionsList, err := readConfig()
+	if err != nil {
+		return err
+	}
+	for _, optionsEntry := range optionsList {
+		buffer := new(bytes.Buffer)
+		encoder := json.NewEncoder(buffer)
+		encoder.SetIndent("", "  ")
+		err = encoder.Encode(optionsEntry.options)
+		if err != nil {
+			return E.Cause(err, "encode config")
+		}
+		outputPath, _ := filepath.Abs(optionsEntry.path)
+		if !commandFormatFlagWrite {
+			if len(optionsList) > 1 {
+				os.Stdout.WriteString(outputPath + "\n")
+			}
+			os.Stdout.WriteString(buffer.String() + "\n")
+			continue
+		}
+		if bytes.Equal(optionsEntry.content, buffer.Bytes()) {
+			continue
+		}
+		output, err := os.Create(optionsEntry.path)
+		if err != nil {
+			return E.Cause(err, "open output")
+		}
+		_, err = output.Write(buffer.Bytes())
+		output.Close()
+		if err != nil {
+			return E.Cause(err, "write output")
+		}
+		os.Stderr.WriteString(outputPath + "\n")
+	}
+	return nil
+}
+
+func formatOne(configPath string) error {
 	configContent, err := os.ReadFile(configPath)
 	if err != nil {
 		return E.Cause(err, "read config")

cmd/sing-box/cmd_run.go

@@ -5,10 +5,14 @@ import (
 	"io"
 	"os"
 	"os/signal"
+	"path/filepath"
 	runtimeDebug "runtime/debug"
+	"sort"
+	"strings"
 	"syscall"
 
 	"github.com/sagernet/sing-box"
+	"github.com/sagernet/sing-box/common/badjsonmerge"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
@@ -31,29 +35,88 @@ func init() {
 	mainCommand.AddCommand(commandRun)
 }
 
-func readConfig() (option.Options, error) {
+type OptionsEntry struct {
+	content []byte
+	path    string
+	options option.Options
+}
+
+func readConfigAt(path string) (*OptionsEntry, error) {
 	var (
 		configContent []byte
 		err           error
 	)
-	if configPath == "stdin" {
+	if path == "stdin" {
 		configContent, err = io.ReadAll(os.Stdin)
 	} else {
-		configContent, err = os.ReadFile(configPath)
+		configContent, err = os.ReadFile(path)
 	}
 	if err != nil {
-		return option.Options{}, E.Cause(err, "read config")
+		return nil, E.Cause(err, "read config at ", path)
 	}
 	var options option.Options
 	err = options.UnmarshalJSON(configContent)
 	if err != nil {
-		return option.Options{}, E.Cause(err, "decode config")
+		return nil, E.Cause(err, "decode config at ", path)
 	}
-	return options, nil
+	return &OptionsEntry{
+		content: configContent,
+		path:    path,
+		options: options,
+	}, nil
+}
+
+func readConfig() ([]*OptionsEntry, error) {
+	var optionsList []*OptionsEntry
+	for _, path := range configPaths {
+		optionsEntry, err := readConfigAt(path)
+		if err != nil {
+			return nil, err
+		}
+		optionsList = append(optionsList, optionsEntry)
+	}
+	for _, directory := range configDirectories {
+		entries, err := os.ReadDir(directory)
+		if err != nil {
+			return nil, E.Cause(err, "read config directory at ", directory)
+		}
+		for _, entry := range entries {
+			if !strings.HasSuffix(entry.Name(), ".json") || entry.IsDir() {
+				continue
+			}
+			optionsEntry, err := readConfigAt(filepath.Join(directory, entry.Name()))
+			if err != nil {
+				return nil, err
+			}
+			optionsList = append(optionsList, optionsEntry)
+		}
+	}
+	sort.Slice(optionsList, func(i, j int) bool {
+		return optionsList[i].path < optionsList[j].path
+	})
+	return optionsList, nil
+}
+
+func readConfigAndMerge() (option.Options, error) {
+	optionsList, err := readConfig()
+	if err != nil {
+		return option.Options{}, err
+	}
+	if len(optionsList) == 1 {
+		return optionsList[0].options, nil
+	}
+	var mergedOptions option.Options
+	for _, options := range optionsList {
+		mergedOptions, err = badjsonmerge.MergeOptions(options.options, mergedOptions)
+		if err != nil {
+			return option.Options{}, E.Cause(err, "merge config at ", options.path)
+		}
+	}
+	return mergedOptions, nil
 }
 
 func create() (*box.Box, context.CancelFunc, error) {
-	options, err := readConfig()
+	options, err := readConfigAndMerge()
 	if err != nil {
 		return nil, nil, err
 	}

cmd/sing-box/cmd_tools.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"context"
+
+	box "github.com/sagernet/sing-box"
+	E "github.com/sagernet/sing/common/exceptions"
+	N "github.com/sagernet/sing/common/network"
+
+	"github.com/spf13/cobra"
+)
+
+var commandToolsFlagOutbound string
+
+var commandTools = &cobra.Command{
+	Use:   "tools",
+	Short: "Experimental tools",
+}
+
+func init() {
+	commandTools.PersistentFlags().StringVarP(&commandToolsFlagOutbound, "outbound", "o", "", "Use specified tag instead of default outbound")
+	mainCommand.AddCommand(commandTools)
+}
+
+func createPreStartedClient() (*box.Box, error) {
+	options, err := readConfigAndMerge()
+	if err != nil {
+		return nil, err
+	}
+	instance, err := box.New(context.Background(), options, nil)
+	if err != nil {
+		return nil, E.Cause(err, "create service")
+	}
+	err = instance.PreStart()
+	if err != nil {
+		return nil, E.Cause(err, "start service")
+	}
+	return instance, nil
+}
+
+func createDialer(instance *box.Box, network string, outboundTag string) (N.Dialer, error) {
+	if outboundTag == "" {
+		outbound := instance.Router().DefaultOutbound(N.NetworkName(network))
+		if outbound == nil {
+			return nil, E.New("missing default outbound")
+		}
+		return outbound, nil
+	} else {
+		outbound, loaded := instance.Router().Outbound(outboundTag)
+		if !loaded {
+			return nil, E.New("outbound not found: ", outboundTag)
+		}
+		return outbound, nil
+	}
+}

cmd/sing-box/cmd_tools_connect.go

@@ -0,0 +1,73 @@
+package main
+
+import (
+	"context"
+	"os"
+
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/bufio"
+	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+	"github.com/sagernet/sing/common/task"
+
+	"github.com/spf13/cobra"
+)
+
+var commandConnectFlagNetwork string
+
+var commandConnect = &cobra.Command{
+	Use:   "connect [address]",
+	Short: "Connect to an address",
+	Args:  cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		err := connect(args[0])
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func init() {
+	commandConnect.Flags().StringVarP(&commandConnectFlagNetwork, "network", "n", "tcp", "network type")
+	commandTools.AddCommand(commandConnect)
+}
+
+func connect(address string) error {
+	switch N.NetworkName(commandConnectFlagNetwork) {
+	case N.NetworkTCP, N.NetworkUDP:
+	default:
+		return E.Cause(N.ErrUnknownNetwork, commandConnectFlagNetwork)
+	}
+	instance, err := createPreStartedClient()
+	if err != nil {
+		return err
+	}
+	defer instance.Close()
+	dialer, err := createDialer(instance, commandConnectFlagNetwork, commandToolsFlagOutbound)
+	if err != nil {
+		return err
+	}
+	conn, err := dialer.DialContext(context.Background(), commandConnectFlagNetwork, M.ParseSocksaddr(address))
+	if err != nil {
+		return E.Cause(err, "connect to server")
+	}
+	var group task.Group
+	group.Append("upload", func(ctx context.Context) error {
+		return common.Error(bufio.Copy(conn, os.Stdin))
+	})
+	group.Append("download", func(ctx context.Context) error {
+		return common.Error(bufio.Copy(os.Stdout, conn))
+	})
+	group.Cleanup(func() {
+		conn.Close()
+	})
+	err = group.Run(context.Background())
+	if E.IsClosed(err) {
+		log.Info(err)
+	} else {
+		log.Error(err)
+	}
+	return nil
+}

cmd/sing-box/cmd_tools_fetch.go

@@ -0,0 +1,91 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"io"
+	"net"
+	"net/http"
+	"net/url"
+	"os"
+
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common/bufio"
+	M "github.com/sagernet/sing/common/metadata"
+
+	"github.com/spf13/cobra"
+)
+
+var commandFetch = &cobra.Command{
+	Use:   "fetch",
+	Short: "Fetch an URL",
+	Args:  cobra.MinimumNArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		err := fetch(args)
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func init() {
+	commandTools.AddCommand(commandFetch)
+}
+
+var httpClient *http.Client
+
+func fetch(args []string) error {
+	instance, err := createPreStartedClient()
+	if err != nil {
+		return err
+	}
+	defer instance.Close()
+	httpClient = &http.Client{
+		Transport: &http.Transport{
+			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
+				dialer, err := createDialer(instance, network, commandToolsFlagOutbound)
+				if err != nil {
+					return nil, err
+				}
+				return dialer.DialContext(ctx, network, M.ParseSocksaddr(addr))
+			},
+			ForceAttemptHTTP2: true,
+		},
+	}
+	defer httpClient.CloseIdleConnections()
+	for _, urlString := range args {
+		parsedURL, err := url.Parse(urlString)
+		if err != nil {
+			return err
+		}
+		switch parsedURL.Scheme {
+		case "":
+			parsedURL.Scheme = "http"
+			fallthrough
+		case "http", "https":
+			err = fetchHTTP(parsedURL)
+			if err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func fetchHTTP(parsedURL *url.URL) error {
+	request, err := http.NewRequest("GET", parsedURL.String(), nil)
+	if err != nil {
+		return err
+	}
+	request.Header.Add("User-Agent", "curl/7.88.0")
+	response, err := httpClient.Do(request)
+	if err != nil {
+		return err
+	}
+	defer response.Body.Close()
+	_, err = bufio.Copy(os.Stdout, response.Body)
+	if errors.Is(err, io.EOF) {
+		return nil
+	}
+	return err
+}

cmd/sing-box/cmd_tools_synctime.go

@@ -0,0 +1,69 @@
+package main
+
+import (
+	"context"
+	"os"
+
+	"github.com/sagernet/sing-box/common/settings"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
+	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+	"github.com/sagernet/sing/common/ntp"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	commandSyncTimeFlagServer   string
+	commandSyncTimeOutputFormat string
+	commandSyncTimeWrite        bool
+)
+
+var commandSyncTime = &cobra.Command{
+	Use:   "synctime",
+	Short: "Sync time using the NTP protocol",
+	Args:  cobra.NoArgs,
+	Run: func(cmd *cobra.Command, args []string) {
+		err := syncTime()
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func init() {
+	commandSyncTime.Flags().StringVarP(&commandSyncTimeFlagServer, "server", "s", "time.apple.com", "Set NTP server")
+	commandSyncTime.Flags().StringVarP(&commandSyncTimeOutputFormat, "format", "f", C.TimeLayout, "Set output format")
+	commandSyncTime.Flags().BoolVarP(&commandSyncTimeWrite, "write", "w", false, "Write time to system")
+	commandTools.AddCommand(commandSyncTime)
+}
+
+func syncTime() error {
+	instance, err := createPreStartedClient()
+	if err != nil {
+		return err
+	}
+	dialer, err := createDialer(instance, N.NetworkUDP, commandToolsFlagOutbound)
+	if err != nil {
+		return err
+	}
+	defer instance.Close()
+	serverAddress := M.ParseSocksaddr(commandSyncTimeFlagServer)
+	if serverAddress.Port == 0 {
+		serverAddress.Port = 123
+	}
+	response, err := ntp.Exchange(context.Background(), dialer, serverAddress)
+	if err != nil {
+		return err
+	}
+	if commandSyncTimeWrite {
+		err = settings.SetSystemTime(response.Time)
+		if err != nil {
+			return E.Cause(err, "write time to system")
+		}
+	}
+	os.Stdout.WriteString(response.Time.Local().Format(commandSyncTimeOutputFormat))
+	return nil
+}

cmd/sing-box/debug.go

@@ -25,9 +25,9 @@ func init() {
 		runtime.ReadMemStats(&memStats)
 
 		var memObject badjson.JSONObject
-		memObject.Put("heap", humanize.Bytes(memStats.HeapInuse))
-		memObject.Put("stack", humanize.Bytes(memStats.StackInuse))
-		memObject.Put("idle", humanize.Bytes(memStats.HeapIdle-memStats.HeapReleased))
+		memObject.Put("heap", humanize.IBytes(memStats.HeapInuse))
+		memObject.Put("stack", humanize.IBytes(memStats.StackInuse))
+		memObject.Put("idle", humanize.IBytes(memStats.HeapIdle-memStats.HeapReleased))
 		memObject.Put("goroutines", runtime.NumGoroutine())
 		memObject.Put("rss", rusageMaxRSS())
 

cmd/sing-box/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"os"
+	"time"
 
 	_ "github.com/sagernet/sing-box/include"
 	"github.com/sagernet/sing-box/log"
@@ -10,9 +11,10 @@ import (
 )
 
 var (
-	configPath   string
-	workingDir   string
-	disableColor bool
+	configPaths       []string
+	configDirectories []string
+	workingDir        string
+	disableColor      bool
 )
 
 var mainCommand = &cobra.Command{
@@ -21,7 +23,8 @@ var mainCommand = &cobra.Command{
 }
 
 func init() {
-	mainCommand.PersistentFlags().StringVarP(&configPath, "config", "c", "config.json", "set configuration file path")
+	mainCommand.PersistentFlags().StringArrayVarP(&configPaths, "config", "c", nil, "set configuration file path")
+	mainCommand.PersistentFlags().StringArrayVarP(&configDirectories, "config-directory", "C", nil, "set configuration directory path")
 	mainCommand.PersistentFlags().StringVarP(&workingDir, "directory", "D", "", "set working directory")
 	mainCommand.PersistentFlags().BoolVarP(&disableColor, "disable-color", "", false, "disable color output")
 }
@@ -33,9 +36,15 @@ func main() {
 }
 
 func preRun(cmd *cobra.Command, args []string) {
+	if disableColor {
+		log.SetStdLogger(log.NewFactory(log.Formatter{BaseTime: time.Now(), DisableColors: true}, os.Stderr, nil).Logger())
+	}
 	if workingDir != "" {
 		if err := os.Chdir(workingDir); err != nil {
 			log.Fatal(err)
 		}
 	}
+	if len(configPaths) == 0 && len(configDirectories) == 0 {
+		configPaths = append(configPaths, "config.json")
+	}
 }

common/badjsonmerge/merge.go

@@ -0,0 +1,80 @@
+package badjsonmerge
+
+import (
+	"encoding/json"
+	"reflect"
+
+	"github.com/sagernet/sing-box/common/badjson"
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+func MergeOptions(source option.Options, destination option.Options) (option.Options, error) {
+	rawSource, err := json.Marshal(source)
+	if err != nil {
+		return option.Options{}, E.Cause(err, "marshal source")
+	}
+	rawDestination, err := json.Marshal(destination)
+	if err != nil {
+		return option.Options{}, E.Cause(err, "marshal destination")
+	}
+	rawMerged, err := MergeJSON(rawSource, rawDestination)
+	if err != nil {
+		return option.Options{}, E.Cause(err, "merge options")
+	}
+	var merged option.Options
+	err = json.Unmarshal(rawMerged, &merged)
+	if err != nil {
+		return option.Options{}, E.Cause(err, "unmarshal merged options")
+	}
+	return merged, nil
+}
+
+func MergeJSON(rawSource json.RawMessage, rawDestination json.RawMessage) (json.RawMessage, error) {
+	source, err := badjson.Decode(rawSource)
+	if err != nil {
+		return nil, E.Cause(err, "decode source")
+	}
+	destination, err := badjson.Decode(rawDestination)
+	if err != nil {
+		return nil, E.Cause(err, "decode destination")
+	}
+	merged, err := mergeJSON(source, destination)
+	if err != nil {
+		return nil, err
+	}
+	return json.Marshal(merged)
+}
+
+func mergeJSON(anySource any, anyDestination any) (any, error) {
+	switch destination := anyDestination.(type) {
+	case badjson.JSONArray:
+		switch source := anySource.(type) {
+		case badjson.JSONArray:
+			destination = append(destination, source...)
+		default:
+			destination = append(destination, source)
+		}
+		return destination, nil
+	case *badjson.JSONObject:
+		switch source := anySource.(type) {
+		case *badjson.JSONObject:
+			for _, entry := range source.Entries() {
+				oldValue, loaded := destination.Get(entry.Key)
+				if loaded {
+					var err error
+					entry.Value, err = mergeJSON(entry.Value, oldValue)
+					if err != nil {
+						return nil, E.Cause(err, "merge object item ", entry.Key)
+					}
+				}
+				destination.Put(entry.Key, entry.Value)
+			}
+		default:
+			return nil, E.New("cannot merge json object into ", reflect.TypeOf(destination))
+		}
+		return destination, nil
+	default:
+		return destination, nil
+	}
+}

common/badjsonmerge/merge_test.go

@@ -0,0 +1,59 @@
+package badjsonmerge
+
+import (
+	"testing"
+
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/option"
+	N "github.com/sagernet/sing/common/network"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestMergeJSON(t *testing.T) {
+	t.Parallel()
+	options := option.Options{
+		Log: &option.LogOptions{
+			Level: "info",
+		},
+		Route: &option.RouteOptions{
+			Rules: []option.Rule{
+				{
+					Type: C.RuleTypeDefault,
+					DefaultOptions: option.DefaultRule{
+						Network:  N.NetworkTCP,
+						Outbound: "direct",
+					},
+				},
+			},
+		},
+	}
+	anotherOptions := option.Options{
+		Outbounds: []option.Outbound{
+			{
+				Type: C.TypeDirect,
+				Tag:  "direct",
+			},
+		},
+	}
+	thirdOptions := option.Options{
+		Route: &option.RouteOptions{
+			Rules: []option.Rule{
+				{
+					Type: C.RuleTypeDefault,
+					DefaultOptions: option.DefaultRule{
+						Network:  N.NetworkUDP,
+						Outbound: "direct",
+					},
+				},
+			},
+		},
+	}
+	mergeOptions, err := MergeOptions(options, anotherOptions)
+	require.NoError(t, err)
+	mergeOptions, err = MergeOptions(thirdOptions, mergeOptions)
+	require.NoError(t, err)
+	require.Equal(t, "info", mergeOptions.Log.Level)
+	require.Equal(t, 2, len(mergeOptions.Route.Rules))
+	require.Equal(t, C.TypeDirect, mergeOptions.Outbounds[0].Type)
+}

common/dialer/conntrack/conn.go

@@ -1,29 +1,32 @@
 package conntrack
 
 import (
+	"io"
 	"net"
-	"runtime/debug"
 
 	"github.com/sagernet/sing/common/x/list"
 )
 
 type Conn struct {
 	net.Conn
-	element *list.Element[*ConnEntry]
+	element *list.Element[io.Closer]
 }
 
-func NewConn(conn net.Conn) *Conn {
-	entry := &ConnEntry{
-		Conn:  conn,
-		Stack: debug.Stack(),
-	}
+func NewConn(conn net.Conn) (*Conn, error) {
 	connAccess.Lock()
-	element := openConnection.PushBack(entry)
+	element := openConnection.PushBack(conn)
 	connAccess.Unlock()
+	if KillerEnabled {
+		err := killerCheck()
+		if err != nil {
+			conn.Close()
+			return nil, err
+		}
+	}
 	return &Conn{
 		Conn:    conn,
 		element: element,
-	}
+	}, nil
 }
 
 func (c *Conn) Close() error {

common/dialer/conntrack/killer.go

@@ -0,0 +1,38 @@
+package conntrack
+
+import (
+	"runtime"
+	runtimeDebug "runtime/debug"
+	"time"
+
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+var (
+	KillerEnabled   bool
+	MemoryLimit     int64
+	killerLastCheck time.Time
+)
+
+func killerCheck() error {
+	if !KillerEnabled {
+		return nil
+	}
+	nowTime := time.Now()
+	if nowTime.Sub(killerLastCheck) < 3*time.Second {
+		return nil
+	}
+	killerLastCheck = nowTime
+	var memStats runtime.MemStats
+	runtime.ReadMemStats(&memStats)
+	inuseMemory := int64(memStats.StackInuse + memStats.HeapInuse + memStats.HeapIdle - memStats.HeapReleased)
+	if inuseMemory > MemoryLimit {
+		Close()
+		go func() {
+			time.Sleep(time.Second)
+			runtimeDebug.FreeOSMemory()
+		}()
+		return E.New("out of memory")
+	}
+	return nil
+}

common/dialer/conntrack/packet_conn.go

@@ -1,29 +1,32 @@
 package conntrack
 
 import (
+	"io"
 	"net"
-	"runtime/debug"
 
 	"github.com/sagernet/sing/common/x/list"
 )
 
 type PacketConn struct {
 	net.PacketConn
-	element *list.Element[*ConnEntry]
+	element *list.Element[io.Closer]
 }
 
-func NewPacketConn(conn net.PacketConn) *PacketConn {
-	entry := &ConnEntry{
-		Conn:  conn,
-		Stack: debug.Stack(),
-	}
+func NewPacketConn(conn net.PacketConn) (*PacketConn, error) {
 	connAccess.Lock()
-	element := openConnection.PushBack(entry)
+	element := openConnection.PushBack(conn)
 	connAccess.Unlock()
+	if KillerEnabled {
+		err := killerCheck()
+		if err != nil {
+			conn.Close()
+			return nil, err
+		}
+	}
 	return &PacketConn{
 		PacketConn: conn,
 		element:    element,
-	}
+	}, nil
 }
 
 func (c *PacketConn) Close() error {

common/dialer/conntrack/track.go

@@ -10,22 +10,17 @@ import (
 
 var (
 	connAccess     sync.RWMutex
-	openConnection list.List[*ConnEntry]
+	openConnection list.List[io.Closer]
 )
 
-type ConnEntry struct {
-	Conn  io.Closer
-	Stack []byte
-}
-
 func Count() int {
 	return openConnection.Len()
 }
 
-func List() []*ConnEntry {
+func List() []io.Closer {
 	connAccess.RLock()
 	defer connAccess.RUnlock()
-	connList := make([]*ConnEntry, 0, openConnection.Len())
+	connList := make([]io.Closer, 0, openConnection.Len())
 	for element := openConnection.Front(); element != nil; element = element.Next() {
 		connList = append(connList, element.Value)
 	}
@@ -36,8 +31,8 @@ func Close() {
 	connAccess.Lock()
 	defer connAccess.Unlock()
 	for element := openConnection.Front(); element != nil; element = element.Next() {
-		common.Close(element.Value.Conn)
+		common.Close(element.Value)
 		element.Value = nil
 	}
-	openConnection = list.List[*ConnEntry]{}
+	openConnection.Init()
 }

common/dialer/default.go

@@ -178,12 +178,12 @@ func trackConn(conn net.Conn, err error) (net.Conn, error) {
 	if !conntrack.Enabled || err != nil {
 		return conn, err
 	}
-	return conntrack.NewConn(conn), nil
+	return conntrack.NewConn(conn)
 }
 
 func trackPacketConn(conn net.PacketConn, err error) (net.PacketConn, error) {
 	if !conntrack.Enabled || err != nil {
 		return conn, err
 	}
-	return conntrack.NewPacketConn(conn), nil
+	return conntrack.NewPacketConn(conn)
 }

common/settings/proxy_android.go

@@ -6,8 +6,8 @@ import (
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing/common"
 	F "github.com/sagernet/sing/common/format"
+	"github.com/sagernet/sing/common/shell"
 )
 
 var (
@@ -26,9 +26,9 @@ func init() {
 
 func runAndroidShell(name string, args ...string) error {
 	if !useRish {
-		return common.Exec(name, args...).Attach().Run()
+		return shell.Exec(name, args...).Attach().Run()
 	} else {
-		return common.Exec("sh", rishPath, "-c", F.ToString(name, " ", strings.Join(args, " "))).Attach().Run()
+		return shell.Exec("sh", rishPath, "-c", F.ToString(name, " ", strings.Join(args, " "))).Attach().Run()
 	}
 }
 

common/settings/proxy_darwin.go

@@ -6,9 +6,9 @@ import (
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-tun"
-	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
 	F "github.com/sagernet/sing/common/format"
+	"github.com/sagernet/sing/common/shell"
 	"github.com/sagernet/sing/common/x/list"
 )
 
@@ -34,13 +34,13 @@ func (p *systemProxy) update(event int) error {
 		return err
 	}
 	if p.isMixed {
-		err = common.Exec("networksetup", "-setsocksfirewallproxy", interfaceDisplayName, "127.0.0.1", F.ToString(p.port)).Attach().Run()
+		err = shell.Exec("networksetup", "-setsocksfirewallproxy", interfaceDisplayName, "127.0.0.1", F.ToString(p.port)).Attach().Run()
 	}
 	if err == nil {
-		err = common.Exec("networksetup", "-setwebproxy", interfaceDisplayName, "127.0.0.1", F.ToString(p.port)).Attach().Run()
+		err = shell.Exec("networksetup", "-setwebproxy", interfaceDisplayName, "127.0.0.1", F.ToString(p.port)).Attach().Run()
 	}
 	if err == nil {
-		err = common.Exec("networksetup", "-setsecurewebproxy", interfaceDisplayName, "127.0.0.1", F.ToString(p.port)).Attach().Run()
+		err = shell.Exec("networksetup", "-setsecurewebproxy", interfaceDisplayName, "127.0.0.1", F.ToString(p.port)).Attach().Run()
 	}
 	return err
 }
@@ -51,19 +51,19 @@ func (p *systemProxy) unset() error {
 		return err
 	}
 	if p.isMixed {
-		err = common.Exec("networksetup", "-setsocksfirewallproxystate", interfaceDisplayName, "off").Attach().Run()
+		err = shell.Exec("networksetup", "-setsocksfirewallproxystate", interfaceDisplayName, "off").Attach().Run()
 	}
 	if err == nil {
-		err = common.Exec("networksetup", "-setwebproxystate", interfaceDisplayName, "off").Attach().Run()
+		err = shell.Exec("networksetup", "-setwebproxystate", interfaceDisplayName, "off").Attach().Run()
 	}
 	if err == nil {
-		err = common.Exec("networksetup", "-setsecurewebproxystate", interfaceDisplayName, "off").Attach().Run()
+		err = shell.Exec("networksetup", "-setsecurewebproxystate", interfaceDisplayName, "off").Attach().Run()
 	}
 	return err
 }
 
 func getInterfaceDisplayName(name string) (string, error) {
-	content, err := common.Exec("networksetup", "-listallhardwareports").Read()
+	content, err := shell.Exec("networksetup", "-listallhardwareports").ReadOutput()
 	if err != nil {
 		return "", err
 	}

common/settings/proxy_linux.go

@@ -11,6 +11,7 @@ import (
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
 	F "github.com/sagernet/sing/common/format"
+	"github.com/sagernet/sing/common/shell"
 )
 
 var (
@@ -27,9 +28,9 @@ func init() {
 
 func runAsUser(name string, args ...string) error {
 	if os.Getuid() != 0 {
-		return common.Exec(name, args...).Attach().Run()
+		return shell.Exec(name, args...).Attach().Run()
 	} else if sudoUser != "" {
-		return common.Exec("su", "-", sudoUser, "-c", F.ToString(name, " ", strings.Join(args, " "))).Attach().Run()
+		return shell.Exec("su", "-", sudoUser, "-c", F.ToString(name, " ", strings.Join(args, " "))).Attach().Run()
 	} else {
 		return E.New("set system proxy: unable to set as root")
 	}

common/settings/time_stub.go

@@ -0,0 +1,12 @@
+//go:build !(windows || linux || darwin)
+
+package settings
+
+import (
+	"os"
+	"time"
+)
+
+func SetSystemTime(nowTime time.Time) error {
+	return os.ErrInvalid
+}

common/settings/time_unix.go

@@ -0,0 +1,14 @@
+//go:build linux || darwin
+
+package settings
+
+import (
+	"time"
+
+	"golang.org/x/sys/unix"
+)
+
+func SetSystemTime(nowTime time.Time) error {
+	timeVal := unix.NsecToTimeval(nowTime.UnixNano())
+	return unix.Settimeofday(&timeVal)
+}

common/settings/time_windows.go

@@ -0,0 +1,32 @@
+package settings
+
+import (
+	"time"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+func SetSystemTime(nowTime time.Time) error {
+	var systemTime windows.Systemtime
+	systemTime.Year = uint16(nowTime.Year())
+	systemTime.Month = uint16(nowTime.Month())
+	systemTime.Day = uint16(nowTime.Day())
+	systemTime.Hour = uint16(nowTime.Hour())
+	systemTime.Minute = uint16(nowTime.Minute())
+	systemTime.Second = uint16(nowTime.Second())
+	systemTime.Milliseconds = uint16(nowTime.UnixMilli() - nowTime.Unix()*1000)
+
+	dllKernel32 := windows.NewLazySystemDLL("kernel32.dll")
+	proc := dllKernel32.NewProc("SetSystemTime")
+
+	_, _, err := proc.Call(
+		uintptr(unsafe.Pointer(&systemTime)),
+	)
+
+	if err != nil && err.Error() != "The operation completed successfully." {
+		return err
+	}
+
+	return nil
+}

common/tls/reality_client.go

@@ -42,7 +42,7 @@ var _ ConfigCompat = (*RealityClientConfig)(nil)
 type RealityClientConfig struct {
 	uClient   *UTLSClientConfig
 	publicKey []byte
-	shortID   []byte
+	shortID   [8]byte
 }
 
 func NewRealityClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (*RealityClientConfig, error) {
@@ -62,11 +62,12 @@ func NewRealityClient(router adapter.Router, serverAddress string, options optio
 	if len(publicKey) != 32 {
 		return nil, E.New("invalid public_key")
 	}
-	shortID, err := hex.DecodeString(options.Reality.ShortID)
+	var shortID [8]byte
+	decodedLen, err := hex.Decode(shortID[:], []byte(options.Reality.ShortID))
 	if err != nil {
 		return nil, E.Cause(err, "decode short_id")
 	}
-	if len(shortID) != 8 {
+	if decodedLen > 8 {
 		return nil, E.New("invalid short_id")
 	}
 	return &RealityClientConfig{uClient, publicKey, shortID}, nil
@@ -125,7 +126,7 @@ func (e *RealityClientConfig) ClientHandshake(ctx context.Context, conn net.Conn
 	hello.SessionId[0] = 1
 	hello.SessionId[1] = 7
 	hello.SessionId[2] = 5
-	copy(hello.SessionId[8:], e.shortID)
+	copy(hello.SessionId[8:], e.shortID[:])
 
 	if debug.Enabled {
 		fmt.Printf("REALITY hello.sessionId[:16]: %v\n", hello.SessionId[:16])

common/tls/reality_server.go

@@ -89,16 +89,16 @@ func NewRealityServer(ctx context.Context, router adapter.Router, logger log.Log
 	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))
+	for i, shortIDString := range options.Reality.ShortID {
+		var shortID [8]byte
+		decodedLen, err := hex.Decode(shortID[:], []byte(shortIDString))
 		if err != nil {
-			return nil, E.Cause(err, "decode short_id[", i, "]: ", shortID)
+			return nil, E.Cause(err, "decode short_id[", i, "]: ", shortIDString)
 		}
-		if decodedLen != 8 {
-			return nil, E.New("invalid short_id[", i, "]: ", shortID)
+		if decodedLen > 8 {
+			return nil, E.New("invalid short_id[", i, "]: ", shortIDString)
 		}
-		tlsConfig.ShortIds[shortIDBytesArray] = true
+		tlsConfig.ShortIds[shortID] = true
 	}
 
 	handshakeDialer := dialer.New(router, options.Reality.Handshake.DialerOptions)

constant/time.go

@@ -0,0 +1,3 @@
+package constant
+
+const TimeLayout = "2006-01-02 15:04:05 -0700"

constant/version.go

@@ -1,3 +1,3 @@
 package constant
 
-var Version = "1.2-beta5"
+var Version = "unknown"

debug.go

@@ -0,0 +1,35 @@
+//go:build go1.19
+
+package box
+
+import (
+	"runtime/debug"
+
+	"github.com/sagernet/sing-box/common/dialer/conntrack"
+	"github.com/sagernet/sing-box/option"
+)
+
+func applyDebugOptions(options option.DebugOptions) {
+	if options.GCPercent != nil {
+		debug.SetGCPercent(*options.GCPercent)
+	}
+	if options.MaxStack != nil {
+		debug.SetMaxStack(*options.MaxStack)
+	}
+	if options.MaxThreads != nil {
+		debug.SetMaxThreads(*options.MaxThreads)
+	}
+	if options.PanicOnFault != nil {
+		debug.SetPanicOnFault(*options.PanicOnFault)
+	}
+	if options.TraceBack != "" {
+		debug.SetTraceback(options.TraceBack)
+	}
+	if options.MemoryLimit != 0 {
+		debug.SetMemoryLimit(int64(options.MemoryLimit))
+		conntrack.MemoryLimit = int64(options.MemoryLimit)
+	}
+	if options.OOMKiller != nil {
+		conntrack.KillerEnabled = *options.OOMKiller
+	}
+}

debug_go118.go

@@ -0,0 +1,35 @@
+//go:build !go1.19
+
+package box
+
+import (
+	"runtime/debug"
+
+	"github.com/sagernet/sing-box/common/dialer/conntrack"
+	"github.com/sagernet/sing-box/option"
+)
+
+func applyDebugOptions(options option.DebugOptions) {
+	if options.GCPercent != nil {
+		debug.SetGCPercent(*options.GCPercent)
+	}
+	if options.MaxStack != nil {
+		debug.SetMaxStack(*options.MaxStack)
+	}
+	if options.MaxThreads != nil {
+		debug.SetMaxThreads(*options.MaxThreads)
+	}
+	if options.PanicOnFault != nil {
+		debug.SetPanicOnFault(*options.PanicOnFault)
+	}
+	if options.TraceBack != "" {
+		debug.SetTraceback(options.TraceBack)
+	}
+	if options.MemoryLimit != 0 {
+		// debug.SetMemoryLimit(int64(options.MemoryLimit))
+		conntrack.MemoryLimit = int64(options.MemoryLimit)
+	}
+	if options.OOMKiller != nil {
+		conntrack.KillerEnabled = *options.OOMKiller
+	}
+}

docs/changelog.md

@@ -1,3 +1,37 @@
+#### 1.2-beta10
+
+* Add multiple configuration support **1**
+* Fix bugs and update dependencies
+
+*1*:
+
+Now you can pass the parameter `--config` or `-c` multiple times, or use the new parameter `--config-directory` or `-C` to load all configuration files in a directory.
+
+Loaded configuration files are sorted by name. If you want to control the merge order, add a numeric prefix to the file name.
+
+#### 1.1.7
+
+* Improve the stability of the VMESS server
+* Fix `auto_detect_interface` incorrectly identifying the default interface on Windows
+* Fix bugs and update dependencies
+
+#### 1.2-beta9
+
+* Introducing the [UDP over TCP protocol version 2](/configuration/shared/udp-over-tcp)
+* Add health check support for http-based v2ray transports
+* Remove length limit on short_id for reality TLS config
+* Fix bugs and update dependencies
+
+#### 1.2-beta8
+
+* Update reality and uTLS libraries
+* Fix `auto_detect_interface` incorrectly identifying the default interface on Windows
+
+#### 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)
@@ -105,7 +139,7 @@ Important changes since 1.0:
 * Add VLESS outbound and XUDP
 * Skip wait for hysteria tcp handshake response
 * Add v2ray mux support for all inbound
-* Add XUDP support for VMess 
+* Add XUDP support for VMess
 * Improve websocket writer
 * Refine tproxy write back
 * Fix DNS leak caused by

docs/configuration/inbound/shadowtls.md

@@ -68,7 +68,7 @@ Only available in the ShadowTLS protocol 3.
 
 Handshake server address and [Dial options](/configuration/shared/dial).
 
-#### handshake
+#### handshake_for_server_name
 
 Handshake server address and [Dial options](/configuration/shared/dial) for specific server name.
 

docs/configuration/inbound/shadowtls.zh.md

@@ -67,7 +67,7 @@ ShadowTLS 用户。
 
 握手服务器地址和 [拨号参数](/zh/configuration/shared/dial/)。
 
-#### handshake
+#### handshake_for_server_name
 
 ==必填==
 

docs/configuration/outbound/shadowsocks.md

@@ -12,7 +12,7 @@
   "plugin": "",
   "plugin_opts": "",
   "network": "udp",
-  "udp_over_tcp": false,
+  "udp_over_tcp": false | {},
   "multiplex": {},
 
   ... // Dial Fields
@@ -87,7 +87,9 @@ Both is enabled by default.
 
 #### udp_over_tcp
 
-Enable the UDP over TCP protocol.
+UDP over TCP configuration.
+
+See [UDP Over TCP](/configuration/shared/udp-over-tcp) for details.
 
 Conflict with `multiplex`.
 

docs/configuration/outbound/shadowsocks.zh.md

@@ -12,7 +12,7 @@
   "plugin": "",
   "plugin_opts": "",
   "network": "udp",
-  "udp_over_tcp": false,
+  "udp_over_tcp": false | {},
   "multiplex": {},
 
   ... // 拨号字段
@@ -87,7 +87,9 @@ Shadowsocks SIP003 插件参数。
 
 #### udp_over_tcp
 
-启用 UDP over TCP 协议。
+UDP over TCP 配置。
+
+参阅 [UDP Over TCP](/zh/configuration/shared/udp-over-tcp)。
 
 与 `multiplex` 冲突。
 

docs/configuration/outbound/socks.md

@@ -13,7 +13,7 @@
   "username": "sekai",
   "password": "admin",
   "network": "udp",
-  "udp_over_tcp": false,
+  "udp_over_tcp": false | {},
 
   ... // Dial Fields
 }
@@ -57,7 +57,9 @@ Both is enabled by default.
 
 #### udp_over_tcp
 
-Enable the UDP over TCP protocol.
+UDP over TCP protocol settings.
+
+See [UDP Over TCP](/configuration/shared/udp-over-tcp) for details.
 
 ### Dial Fields
 

docs/configuration/outbound/socks.zh.md

@@ -13,7 +13,7 @@
   "username": "sekai",
   "password": "admin",
   "network": "udp",
-  "udp_over_tcp": false,
+  "udp_over_tcp": false | {},
 
   ... // 拨号字段
 }
@@ -57,7 +57,9 @@ SOCKS5 密码。
 
 #### udp_over_tcp
 
-启用 UDP over TCP 协议。
+UDP over TCP 配置。
+
+参阅 [UDP Over TCP](/zh/configuration/shared/udp-over-tcp)。
 
 ### 拨号字段
 

docs/configuration/shared/tls.md

@@ -333,7 +333,7 @@ Public key, generated by `sing-box generate reality-keypair`.
 
 ==Required==
 
-A 8-bit hex string.
+A hexadecimal string with zero to eight digits.
 
 #### max_time_difference
 

docs/configuration/shared/tls.zh.md

@@ -329,7 +329,7 @@ MAC 密钥。
 
 ==必填==
 
-一个八位十六进制的字符串。
+一个零到八位的十六进制字符串。
 
 #### max_time_difference
 

docs/configuration/shared/udp-over-tcp.md

@@ -0,0 +1,79 @@
+# UDP over TCP
+
+!!! warning ""
+
+    It's a proprietary protocol created by SagerNet, not part of shadowsocks.
+
+The UDP over TCP protocol is used to transmit UDP packets in TCP.
+
+### Structure
+
+```json
+{
+  "enabled": true,
+  "version": 2
+}
+```
+
+!!! info ""
+
+    The structure can be replaced with a boolean value when the version is not specified.
+
+### Fields
+
+#### enabled
+
+Enable the UDP over TCP protocol.
+
+#### version
+
+The protocol version, `1` or `2`.
+
+2 is used by default.
+
+### Application support
+
+| Project      | UoT v1               | UoT v2                                                                                                            |
+|--------------|----------------------|-------------------------------------------------------------------------------------------------------------------|
+| sing-box     | v0 (2022/08/11)      | v1.2-beta9                                                                                                        |
+| Xray-core    | v1.5.7 (2022/06/05)  | [f57ec13](https://github.com/XTLS/Xray-core/commit/f57ec1388084df041a2289bacab14e446bf1b357) (Not released)       |
+| Clash.Meta   | v1.12.0 (2022/07/02) | [8cb67b6](https://github.com/MetaCubeX/Clash.Meta/commit/8cb67b6480649edfa45dcc9ac89ce0789651e8b3) (Not released) |
+| Shadowrocket | v2.2.12 (2022/08/13) | /                                                                                                                 |
+
+### Protocol details
+
+#### Protocol version 1
+
+The client requests the magic address to the upper layer proxy protocol to indicate the request: `sp.udp-over-tcp.arpa`
+
+#### Stream format
+
+| ATYP | address  | port  | length | data     |
+|------|----------|-------|--------|----------|
+| u8   | variable | u16be | u16be  | variable |
+
+**ATYP / address / port**: Uses the SOCKS address format.
+
+#### Protocol version 2
+
+Protocol version 2 uses a new magic address: `sp.v2.udp-over-tcp.arpa`
+
+##### Request format
+
+| isConnect | ATYP | address  | port  |
+|-----------|------|----------|-------|
+| u8        | u8   | variable | u16be |
+
+**isConnect**: Set to 1 to indicates that the stream uses the connect format, 0 to disable.
+
+**ATYP / address / port**: Request destination, uses the SOCKS address format.
+
+##### Connect stream format
+
+| length | data     |
+|--------|----------|
+| u16be  | variable |
+
+##### Non-connect stream format
+
+As the same as the stream format in protocol version 1.

docs/configuration/shared/v2ray-transport.md

@@ -34,7 +34,9 @@ Available transports:
   "host": [],
   "path": "",
   "method": "",
-  "headers": {}
+  "headers": {},
+  "idle_timeout": "15s",
+  "ping_timeout": "15s"
 }
 ```
 
@@ -66,6 +68,24 @@ Extra headers of HTTP request.
 
 The server will write in response if not empty.
 
+#### idle_timeout
+
+In HTTP2 server:
+
+Specifies the time until idle clients should be closed with a GOAWAY frame. PING frames are not considered as activity.
+
+In HTTP2 client:
+
+Specifies the period of time after which a health check will be performed using a ping frame if no frames have been received on the connection. Please note that a ping response is considered a received frame, so if there is no other traffic on the connection, the health check will be executed every interval. If the value is zero, no health check will be performed.
+
+Zero is used by default.
+
+#### ping_timeout
+
+In HTTP2 client:
+
+Specifies the timeout duration after sending a PING frame, within which a response must be received. If a response to the PING frame is not received within the specified timeout duration, the connection will be closed. The default timeout duration is 15 seconds.
+
 ### WebSocket
 
 ```json
@@ -126,10 +146,41 @@ It needs to be consistent with the server.
 ```json
 {
   "type": "grpc",
-  "service_name": "TunService"
+  "service_name": "TunService",
+  "idle_timeout": "15s",
+  "ping_timeout": "15s",
+  "permit_without_stream": false
 }
 ```
 
 #### service_name
 
-Service name of gRPC.
+Service name of gRPC.
+
+#### idle_timeout
+
+In standard gRPC server/client:
+
+If the transport doesn't see any activity after a duration of this time, it pings the client to check if the connection is still active.
+
+In default gRPC server/client:
+
+It has the same behavior as the corresponding setting in HTTP transport.
+
+#### ping_timeout
+
+In standard gRPC server/client:
+
+The timeout that after performing a keepalive check, the client will wait for activity. If no activity is detected, the connection will be closed.
+
+In default gRPC server/client:
+
+It has the same behavior as the corresponding setting in HTTP transport.
+
+#### permit_without_stream
+
+In standard gRPC client:
+
+If enabled, the client transport sends keepalive pings even with no active connections. If disabled, when there are no active connections, `idle_timeout` and `ping_timeout` will be ignored and no keepalive pings will be sent.
+
+Disabled by default.

docs/configuration/shared/v2ray-transport.zh.md

@@ -33,7 +33,9 @@ V2Ray Transport 是 v2ray 发明的一组私有协议，并污染了其他协议
   "host": [],
   "path": "",
   "method": "",
-  "headers": {}
+  "headers": {},
+  "idle_timeout": "15s",
+  "ping_timeout": "15s"
 }
 ```
 
@@ -65,6 +67,24 @@ HTTP 请求的额外标头
 
 默认服务器将写入响应。
 
+#### idle_timeout
+
+在 HTTP2 服务器中：
+
+指定闲置客户端应在多长时间内使用 GOAWAY 帧关闭。PING 帧不被视为活动。
+
+在 HTTP2 客户端中：
+
+如果连接上没有收到任何帧，指定一段时间后将使用 PING 帧执行健康检查。需要注意的是，PING 响应被视为已接收的帧，因此如果连接上没有其他流量，则健康检查将在每个间隔执行一次。如果值为零，则不会执行健康检查。
+
+默认使用零。
+
+#### ping_timeout
+
+在 HTTP2 客户端中：
+
+指定发送 PING 帧后，在指定的超时时间内必须接收到响应。如果在指定的超时时间内没有收到 PING 帧的响应，则连接将关闭。默认超时持续时间为 15 秒。
+
 ### WebSocket
 
 ```json
@@ -125,10 +145,41 @@ HTTP 请求的额外标头。
 ```json
 {
   "type": "grpc",
-  "service_name": "TunService"
+  "service_name": "TunService",
+  "idle_timeout": "15s",
+  "ping_timeout": "15s",
+  "permit_without_stream": false
 }
 ```
 
 #### service_name
 
-gRPC 服务名称。
+gRPC 服务名称。
+
+#### idle_timeout
+
+在标准 gRPC 服务器/客户端：
+
+如果传输在此时间段后没有看到任何活动，它会向客户端发送 ping 请求以检查连接是否仍然活动。
+
+在默认 gRPC 服务器/客户端：
+
+它的行为与 HTTP 传输层中的相应设置相同。
+
+#### ping_timeout
+
+在标准 gRPC 服务器/客户端：
+
+经过一段时间之后，客户端将执行 keepalive 检查并等待活动。如果没有检测到任何活动，则会关闭连接。
+
+在默认 gRPC 服务器/客户端：
+
+它的行为与 HTTP 传输层中的相应设置相同。
+
+#### permit_without_stream
+
+在标准 gRPC 客户端：
+
+如果启用，客户端传输即使没有活动连接也会发送 keepalive ping。如果禁用，则在没有活动连接时，将忽略 `idle_timeout` 和 `ping_timeout`，并且不会发送 keepalive ping。
+
+默认禁用。

docs/examples/shadowsocks.md

@@ -1,5 +1,9 @@
 # Shadowsocks
 
+!!! warning ""
+
+    For censorship bypass usage in China, we recommend using UDP over TCP and disabling UDP on the server.
+
 ## Single User
 
 #### Server
@@ -11,6 +15,7 @@
       "type": "shadowsocks",
       "listen": "::",
       "listen_port": 8080,
+      "network": "tcp",
       "method": "2022-blake3-aes-128-gcm",
       "password": "8JCsPssfgS8tiRwiMlhARg=="
     }
@@ -35,7 +40,8 @@
       "server": "127.0.0.1",
       "server_port": 8080,
       "method": "2022-blake3-aes-128-gcm",
-      "password": "8JCsPssfgS8tiRwiMlhARg=="
+      "password": "8JCsPssfgS8tiRwiMlhARg==",
+      "udp_over_tcp": true
     }
   ]
 }

docs/examples/shadowtls.md

@@ -24,6 +24,7 @@
       "type": "shadowsocks",
       "tag": "shadowsocks-in",
       "listen": "127.0.0.1",
+      "network": "tcp",
       "method": "2022-blake3-aes-128-gcm",
       "password": "8JCsPssfgS8tiRwiMlhARg=="
     }
@@ -46,6 +47,7 @@
         "max_connections": 4,
         "min_streams": 4
       }
+      // or "udp_over_tcp": true
     },
     {
       "type": "shadowtls",

docs/installation/from-source.md

@@ -12,22 +12,22 @@ Install with options:
 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).                                                                                                                                                                                                                                        |
+| 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
 
@@ -36,4 +36,4 @@ sing-box version
 ```
 
 It is also recommended to use systemd to manage sing-box service,
-see [Linux server installation example](./examples/linux-server-installation).
+see [Linux server installation example](/examples/linux-server-installation).

docs/installation/from-source.zh.md

@@ -12,22 +12,22 @@ go install -v github.com/sagernet/sing-box/cmd/sing-box@latest
 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)。                                                                                                                                                                                                              |
+| 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。
 
@@ -36,4 +36,4 @@ 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)。
+参阅 [Linux 服务器安装示例](/examples/linux-server-installation)。

experimental/clashapi/server.go

@@ -114,7 +114,7 @@ func NewServer(router adapter.Router, logFactory log.ObservableFactory, options
 	return server, nil
 }
 
-func (s *Server) Start() error {
+func (s *Server) PreStart() error {
 	if s.cacheFilePath != "" {
 		cacheFile, err := cachefile.Open(s.cacheFilePath)
 		if err != nil {
@@ -122,6 +122,10 @@ func (s *Server) Start() error {
 		}
 		s.cacheFile = cacheFile
 	}
+	return nil
+}
+
+func (s *Server) Start() error {
 	listener, err := net.Listen("tcp", s.httpServer.Addr)
 	if err != nil {
 		return E.Cause(err, "external controller listen error")

experimental/libbox/config.go

@@ -1,3 +1,5 @@
+//go:build linux || darwin
+
 package libbox
 
 import (

experimental/libbox/iterator.go

@@ -1,3 +1,5 @@
+//go:build linux || darwin
+
 package libbox
 
 import "github.com/sagernet/sing/common"

experimental/libbox/log.go

@@ -1,54 +0,0 @@
-package libbox
-
-import (
-	"bufio"
-	"log"
-	"os"
-)
-
-type StandardOutput interface {
-	WriteOutput(message string)
-	WriteErrorOutput(message string)
-}
-
-func SetOutput(output StandardOutput) {
-	log.SetOutput(logWriter{output})
-	pipeIn, pipeOut, err := os.Pipe()
-	if err != nil {
-		panic(err)
-	}
-	os.Stdout = os.NewFile(pipeOut.Fd(), "stdout")
-	go lineLog(pipeIn, output.WriteOutput)
-
-	pipeIn, pipeOut, err = os.Pipe()
-	if err != nil {
-		panic(err)
-	}
-	os.Stderr = os.NewFile(pipeOut.Fd(), "srderr")
-	go lineLog(pipeIn, output.WriteErrorOutput)
-}
-
-type logWriter struct {
-	output StandardOutput
-}
-
-func (w logWriter) Write(p []byte) (n int, err error) {
-	w.output.WriteOutput(string(p))
-	return len(p), nil
-}
-
-func lineLog(f *os.File, output func(string)) {
-	const logSize = 1024 // matches android/log.h.
-	r := bufio.NewReaderSize(f, logSize)
-	for {
-		line, _, err := r.ReadLine()
-		str := string(line)
-		if err != nil {
-			str += " " + err.Error()
-		}
-		output(str)
-		if err != nil {
-			break
-		}
-	}
-}

experimental/libbox/memory.go

@@ -1,8 +1,18 @@
+//go:build darwin
+
 package libbox
 
-import "runtime/debug"
+import (
+	runtimeDebug "runtime/debug"
+
+	"github.com/sagernet/sing-box/common/dialer/conntrack"
+)
+
+const memoryLimit = 30 * 1024 * 1024
 
 func SetMemoryLimit() {
-	debug.SetGCPercent(10)
-	debug.SetMemoryLimit(30 * 1024 * 1024)
+	runtimeDebug.SetGCPercent(10)
+	runtimeDebug.SetMemoryLimit(memoryLimit)
+	conntrack.KillerEnabled = true
+	conntrack.MemoryLimit = memoryLimit
 }

experimental/libbox/platform.go

@@ -1,3 +1,5 @@
+//go:build linux || darwin
+
 package libbox
 
 import "github.com/sagernet/sing-box/option"

experimental/libbox/pprof.go

@@ -1,4 +1,4 @@
-//go:build debug
+//go:build linux || darwin
 
 package libbox
 

experimental/libbox/pprof_stub.go

@@ -1,21 +0,0 @@
-//go:build !debug
-
-package libbox
-
-import (
-	"os"
-)
-
-type PProfServer struct{}
-
-func NewPProfServer(port int) *PProfServer {
-	return &PProfServer{}
-}
-
-func (s *PProfServer) Start() error {
-	return os.ErrInvalid
-}
-
-func (s *PProfServer) Close() error {
-	return os.ErrInvalid
-}

experimental/libbox/service.go

@@ -1,3 +1,5 @@
+//go:build linux || darwin
+
 package libbox
 
 import (
@@ -75,7 +77,11 @@ func (w *platformInterfaceWrapper) OpenTun(options tun.Options, platformOptions
 	if err != nil {
 		return nil, err
 	}
-	options.FileDescriptor = int(tunFd)
+	dupFd, err := syscall.Dup(int(tunFd))
+	if err != nil {
+		return nil, E.Cause(err, "dup tun file descriptor")
+	}
+	options.FileDescriptor = dupFd
 	return tun.New(options)
 }
 

experimental/libbox/setup.go

@@ -1,3 +1,5 @@
+//go:build linux || darwin
+
 package libbox
 
 import (
@@ -15,5 +17,5 @@ func Version() string {
 }
 
 func FormatBytes(length int64) string {
-	return humanize.Bytes(uint64(length))
+	return humanize.IBytes(uint64(length))
 }

experimental/libbox/tun.go

@@ -1,3 +1,5 @@
+//go:build linux || darwin
+
 package libbox
 
 import (

go.mod

@@ -4,7 +4,7 @@ go 1.18
 
 require (
 	berty.tech/go-libtor v1.0.385
-	github.com/Dreamacro/clash v1.13.0
+	github.com/Dreamacro/clash v1.14.0
 	github.com/caddyserver/certmagic v0.17.2
 	github.com/cretz/bine v0.2.0
 	github.com/dustin/go-humanize v1.0.1
@@ -14,27 +14,26 @@ require (
 	github.com/go-chi/render v1.0.2
 	github.com/gofrs/uuid v4.4.0+incompatible
 	github.com/hashicorp/yamux v0.1.1
-	github.com/insomniacslk/dhcp v0.0.0-20230301142404-3e45eea5edd7
+	github.com/insomniacslk/dhcp v0.0.0-20230307103557-e252950ab961
 	github.com/logrusorgru/aurora v2.0.3+incompatible
 	github.com/mholt/acmez v1.1.0
-	github.com/miekg/dns v1.1.51
+	github.com/miekg/dns v1.1.52
+	github.com/ooni/go-libtor v1.1.7
 	github.com/oschwald/maxminddb-golang v1.10.0
-	github.com/pires/go-proxyproto v0.6.2
-	github.com/sagernet/badhttp v0.0.0-20230228035330-e77eb9a689fd
-	github.com/sagernet/badhttp2 v0.0.0-20230228040529-408b0b8e774d
+	github.com/pires/go-proxyproto v0.7.0
 	github.com/sagernet/cloudflare-tls v0.0.0-20221031050923-d70792f4c3a0
 	github.com/sagernet/gomobile v0.0.0-20221130124640-349ebaa752ca
 	github.com/sagernet/quic-go v0.0.0-20230202071646-a8c8afb18b32
-	github.com/sagernet/reality v0.0.0-20230228045158-d3e085a8e5d1
-	github.com/sagernet/sing v0.1.8-0.20230305055148-e16845727f76
+	github.com/sagernet/reality v0.0.0-20230312150606-35ea9af0e0b8
+	github.com/sagernet/sing v0.2.1-0.20230318094614-4bbf5f2c3046
 	github.com/sagernet/sing-dns v0.1.4
-	github.com/sagernet/sing-shadowsocks v0.1.2-0.20230221080503-769c01d6bba9
+	github.com/sagernet/sing-shadowsocks v0.2.0
 	github.com/sagernet/sing-shadowtls v0.1.0
-	github.com/sagernet/sing-tun v0.1.2-0.20230226091124-0cdb0eed74d9
-	github.com/sagernet/sing-vmess v0.1.3-0.20230303082804-627cc46ae68b
-	github.com/sagernet/smux v0.0.0-20220831015742-e0f1988e3195
+	github.com/sagernet/sing-tun v0.1.3-0.20230315134716-fe89bbded22d
+	github.com/sagernet/sing-vmess v0.1.3
+	github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37
 	github.com/sagernet/tfo-go v0.0.0-20230303015439-ffcfd8c41cf9
-	github.com/sagernet/utls v0.0.0-20230225061716-536a007c8b01
+	github.com/sagernet/utls v0.0.0-20230309024959-6732c2ab36f2
 	github.com/sagernet/websocket v0.0.0-20220913015213-615516348b4e
 	github.com/sagernet/wireguard-go v0.0.0-20221116151939-c99467f53f2c
 	github.com/spf13/cobra v1.6.1
@@ -44,16 +43,16 @@ require (
 	go.uber.org/zap v1.24.0
 	go4.org/netipx v0.0.0-20230303233057-f1b76eb4bb35
 	golang.org/x/crypto v0.7.0
-	golang.org/x/exp v0.0.0-20230304125523-9ff063c70017
+	golang.org/x/exp v0.0.0-20230315142452-642cacee5cc0
 	golang.org/x/net v0.8.0
 	golang.org/x/sys v0.6.0
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230215201556-9c5414ab4bde
 	google.golang.org/grpc v1.53.0
-	google.golang.org/protobuf v1.28.1
+	google.golang.org/protobuf v1.30.0
 	gvisor.dev/gvisor v0.0.0-20220901235040-6ca97ef2ce1c
 )
 
-//replace github.com/sagernet/sing-tun => ../sing-tun
+//replace github.com/sagernet/sing => ../sing
 
 require (
 	github.com/ajg/form v1.5.1 // indirect

go.sum

@@ -1,7 +1,7 @@
 berty.tech/go-libtor v1.0.385 h1:RWK94C3hZj6Z2GdvePpHJLnWYobFr3bY/OdUJ5aoEXw=
 berty.tech/go-libtor v1.0.385/go.mod h1:9swOOQVb+kmvuAlsgWUK/4c52pm69AdbJsxLzk+fJEw=
-github.com/Dreamacro/clash v1.13.0 h1:gF0E0TluE1LCmuhhg0/bjqABYDmSnXkUjXjRhZxyrm8=
-github.com/Dreamacro/clash v1.13.0/go.mod h1:hf0RkWPsQ0e8oS8WVJBIRocY/1ILYzQQg9zeMwd8LsM=
+github.com/Dreamacro/clash v1.14.0 h1:ehJ/C/1m9LEjmME72WSE/Y2YqbR3Q54AbjqiRCvtyW4=
+github.com/Dreamacro/clash v1.14.0/go.mod h1:ia2CU7V713H1QdCqMwOLK9U9V5Ay8X0voj3yQr2tk+I=
 github.com/ajg/form v1.5.1 h1:t9c7v8JUKu/XxOGBU0yjNpaMloxGEJhUkqFRq0ibGeU=
 github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
 github.com/andybalholm/brotli v1.0.5 h1:8uQZIdzKmjc/iuPu7O2ioW48L81FgatrcpfFmiq/cCs=
@@ -51,8 +51,8 @@ github.com/hashicorp/yamux v0.1.1/go.mod h1:CtWFDAQgb7dxtzFs4tWbplKIe2jSi3+5vKbg
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/inconshreveable/mousetrap v1.0.1 h1:U3uMjPSQEBMNp1lFxmllqCPM6P5u/Xq7Pgzkat/bFNc=
 github.com/inconshreveable/mousetrap v1.0.1/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/insomniacslk/dhcp v0.0.0-20230301142404-3e45eea5edd7 h1:Fg8rHYs8luh8kCSAHDUIQCNMkn74Gvr1o5YPZdNRgY0=
-github.com/insomniacslk/dhcp v0.0.0-20230301142404-3e45eea5edd7/go.mod h1:I9wtoXVkcRwQJ+U9nhxzZytbnT1xjn2DzUjxQ8Qegpc=
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@@ -70,19 +70,21 @@ github.com/logrusorgru/aurora v2.0.3+incompatible h1:tOpm7WcpBTn4fjmVfgpQq0EfczG
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@@ -95,10 +97,6 @@ github.com/quic-go/qtls-go1-19 v0.2.0/go.mod h1:ySOI96ew8lnoKPtSqx2BlI5wCpUVPT05
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@@ -109,28 +107,28 @@ github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97 h1:iL5gZI3uFp0X6E
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@@ -154,7 +152,6 @@ github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923/go.mod h1:eLL9Nub3yfAho
 github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 h1:gga7acRE695APm9hlsSMoOoE65U4/TcqNj90mc69Rlg=
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@@ -171,14 +168,11 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20190404164418-38d8ce5564a5/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
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 golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
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-golang.org/x/exp v0.0.0-20230304125523-9ff063c70017 h1:3Ea9SZLCB0aRIhSEjM+iaGIlzzeDJdpi579El/YIhEE=
-golang.org/x/exp v0.0.0-20230304125523-9ff063c70017/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
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-golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
-golang.org/x/mod v0.7.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
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@@ -186,15 +180,11 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
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-golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
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 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
-golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -204,25 +194,18 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220622161953-175b2fd9d664/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220731174439-a90be440212d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
 golang.org/x/term v0.6.0 h1:clScbb1cHjoCkyRbWwBEUZ5H/tIFu5TAXIqaZD0Gcjw=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
 golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0 h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs=
@@ -230,8 +213,6 @@ golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.3.0/go.mod h1:/rWhSS2+zyEVwoJf8YAX6L2f0ntZ7Kn/mGgAWcipA5k=
 golang.org/x/tools v0.6.0 h1:BOw41kyTf3PuCW1pVQf8+Cyg8pMlkYB1oo9iJ6D/lKM=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -246,8 +227,8 @@ google.golang.org/grpc v1.53.0 h1:LAv2ds7cmFV/XTS3XG1NneeENYrXGmorPxsBbptIjNc=
 google.golang.org/grpc v1.53.0/go.mod h1:OnIrk0ipVdj4N5d9IUoFUx72/VlD7+jUsHwZgwSMQpw=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
-google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
+google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

inbound/default_tcp.go

@@ -3,7 +3,6 @@ package inbound
 import (
 	"context"
 	"net"
-	"net/netip"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/proxyproto"
@@ -16,7 +15,7 @@ import (
 
 func (a *myInboundAdapter) ListenTCP() (net.Listener, error) {
 	var err error
-	bindAddr := M.SocksaddrFrom(netip.Addr(a.listenOptions.Listen), a.listenOptions.ListenPort)
+	bindAddr := M.SocksaddrFrom(a.listenOptions.Listen.Build(), a.listenOptions.ListenPort)
 	var tcpListener net.Listener
 	if !a.listenOptions.TCPFastOpen {
 		tcpListener, err = net.ListenTCP(M.NetworkFromNetAddr(N.NetworkTCP, bindAddr.Addr), bindAddr.TCPAddr())

inbound/default_udp.go

@@ -2,7 +2,6 @@ package inbound
 
 import (
 	"net"
-	"net/netip"
 	"os"
 	"time"
 
@@ -16,7 +15,7 @@ import (
 )
 
 func (a *myInboundAdapter) ListenUDP() (net.PacketConn, error) {
-	bindAddr := M.SocksaddrFrom(netip.Addr(a.listenOptions.Listen), a.listenOptions.ListenPort)
+	bindAddr := M.SocksaddrFrom(a.listenOptions.Listen.Build(), a.listenOptions.ListenPort)
 	var lc net.ListenConfig
 	var udpFragment bool
 	if a.listenOptions.UDPFragment != nil {

inbound/shadowtls.go

@@ -32,6 +32,10 @@ func NewShadowTLS(ctx context.Context, router adapter.Router, logger log.Context
 		},
 	}
 
+	if options.Version == 0 {
+		options.Version = 1
+	}
+
 	var handshakeForServerName map[string]shadowtls.HandshakeConfig
 	if options.Version > 1 {
 		handshakeForServerName = make(map[string]shadowtls.HandshakeConfig)

inbound/tun.go

@@ -169,6 +169,7 @@ func (t *Tun) Start() error {
 		UDPTimeout:             t.udpTimeout,
 		Handler:                t,
 		Logger:                 t.logger,
+		UnderPlatform:          t.platformInterface != nil,
 	})
 	if err != nil {
 		return err

log/export.go

@@ -16,6 +16,10 @@ func StdLogger() ContextLogger {
 	return std
 }
 
+func SetStdLogger(logger ContextLogger) {
+	std = logger
+}
+
 func Trace(args ...any) {
 	std.Trace(args...)
 }

log/factory.go

@@ -1,11 +1,15 @@
 package log
 
 import (
-	"context"
-
+	"github.com/sagernet/sing/common/logger"
 	"github.com/sagernet/sing/common/observable"
 )
 
+type (
+	Logger        logger.Logger
+	ContextLogger logger.ContextLogger
+)
+
 type Factory interface {
 	Level() Level
 	SetLevel(level Level)
@@ -22,24 +26,3 @@ type Entry struct {
 	Level   Level
 	Message string
 }
-
-type Logger interface {
-	Trace(args ...any)
-	Debug(args ...any)
-	Info(args ...any)
-	Warn(args ...any)
-	Error(args ...any)
-	Fatal(args ...any)
-	Panic(args ...any)
-}
-
-type ContextLogger interface {
-	Logger
-	TraceContext(ctx context.Context, args ...any)
-	DebugContext(ctx context.Context, args ...any)
-	InfoContext(ctx context.Context, args ...any)
-	WarnContext(ctx context.Context, args ...any)
-	ErrorContext(ctx context.Context, args ...any)
-	FatalContext(ctx context.Context, args ...any)
-	PanicContext(ctx context.Context, args ...any)
-}

mkdocs.yml

@@ -64,6 +64,7 @@ nav:
           - TLS: configuration/shared/tls.md
           - Multiplex: configuration/shared/multiplex.md
           - V2Ray Transport: configuration/shared/v2ray-transport.md
+          - UDP over TCP: configuration/shared/udp-over-tcp.md
       - Inbound:
           - configuration/inbound/index.md
           - Direct: configuration/inbound/direct.md

ntp/service.go

@@ -6,6 +6,8 @@ import (
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/dialer"
+	"github.com/sagernet/sing-box/common/settings"
+	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/logger"
@@ -14,19 +16,17 @@ import (
 	"github.com/sagernet/sing/common/ntp"
 )
 
-const timeLayout = "2006-01-02 15:04:05 -0700"
-
 var _ adapter.TimeService = (*Service)(nil)
 
 type Service struct {
-	ctx    context.Context
-	cancel context.CancelFunc
-	server M.Socksaddr
-	dialer N.Dialer
-	logger logger.Logger
-
-	ticker      *time.Ticker
-	clockOffset time.Duration
+	ctx           context.Context
+	cancel        context.CancelFunc
+	server        M.Socksaddr
+	writeToSystem bool
+	dialer        N.Dialer
+	logger        logger.Logger
+	ticker        *time.Ticker
+	clockOffset   time.Duration
 }
 
 func NewService(ctx context.Context, router adapter.Router, logger logger.Logger, options option.NTPOptions) *Service {
@@ -42,12 +42,13 @@ func NewService(ctx context.Context, router adapter.Router, logger logger.Logger
 		interval = 30 * time.Minute
 	}
 	return &Service{
-		ctx:    ctx,
-		cancel: cancel,
-		server: server,
-		dialer: dialer.New(router, options.DialerOptions),
-		logger: logger,
-		ticker: time.NewTicker(interval),
+		ctx:           ctx,
+		cancel:        cancel,
+		server:        server,
+		writeToSystem: options.WriteToSystem,
+		dialer:        dialer.New(router, options.DialerOptions),
+		logger:        logger,
+		ticker:        time.NewTicker(interval),
 	}
 }
 
@@ -56,7 +57,7 @@ func (s *Service) Start() error {
 	if err != nil {
 		return E.Cause(err, "initialize time")
 	}
-	s.logger.Info("updated time: ", s.TimeFunc()().Local().Format(timeLayout))
+	s.logger.Info("updated time: ", s.TimeFunc()().Local().Format(C.TimeLayout))
 	go s.loopUpdate()
 	return nil
 }
@@ -82,7 +83,7 @@ func (s *Service) loopUpdate() {
 		}
 		err := s.update()
 		if err == nil {
-			s.logger.Debug("updated time: ", s.TimeFunc()().Local().Format(timeLayout))
+			s.logger.Debug("updated time: ", s.TimeFunc()().Local().Format(C.TimeLayout))
 		} else {
 			s.logger.Warn("update time: ", err)
 		}
@@ -95,5 +96,11 @@ func (s *Service) update() error {
 		return err
 	}
 	s.clockOffset = response.ClockOffset
+	if s.writeToSystem {
+		writeErr := settings.SetSystemTime(s.TimeFunc()())
+		if writeErr != nil {
+			s.logger.Warn("write time to system: ", writeErr)
+		}
+	}
 	return nil
 }

option/config.go

@@ -9,6 +9,7 @@ import (
 )
 
 type _Options struct {
+	Schema       string               `json:"$schema,omitempty"`
 	Log          *LogOptions          `json:"log,omitempty"`
 	DNS          *DNSOptions          `json:"dns,omitempty"`
 	NTP          *NTPOptions          `json:"ntp,omitempty"`

option/debug.go

@@ -0,0 +1,43 @@
+package option
+
+import (
+	"encoding/json"
+
+	"github.com/dustin/go-humanize"
+)
+
+type DebugOptions struct {
+	GCPercent    *int        `json:"gc_percent,omitempty"`
+	MaxStack     *int        `json:"max_stack,omitempty"`
+	MaxThreads   *int        `json:"max_threads,omitempty"`
+	PanicOnFault *bool       `json:"panic_on_fault,omitempty"`
+	TraceBack    string      `json:"trace_back,omitempty"`
+	MemoryLimit  BytesLength `json:"memory_limit,omitempty"`
+	OOMKiller    *bool       `json:"oom_killer,omitempty"`
+}
+
+type BytesLength int64
+
+func (l BytesLength) MarshalJSON() ([]byte, error) {
+	return json.Marshal(humanize.IBytes(uint64(l)))
+}
+
+func (l *BytesLength) UnmarshalJSON(bytes []byte) error {
+	var valueInteger int64
+	err := json.Unmarshal(bytes, &valueInteger)
+	if err == nil {
+		*l = BytesLength(valueInteger)
+		return nil
+	}
+	var valueString string
+	err = json.Unmarshal(bytes, &valueString)
+	if err != nil {
+		return err
+	}
+	parsedValue, err := humanize.ParseBytes(valueString)
+	if err != nil {
+		return err
+	}
+	*l = BytesLength(parsedValue)
+	return nil
+}

option/experimental.go

@@ -3,4 +3,5 @@ package option
 type ExperimentalOptions struct {
 	ClashAPI *ClashAPIOptions `json:"clash_api,omitempty"`
 	V2RayAPI *V2RayAPIOptions `json:"v2ray_api,omitempty"`
+	Debug    *DebugOptions    `json:"debug,omitempty"`
 }

option/inbound.go

@@ -117,14 +117,14 @@ type InboundOptions struct {
 }
 
 type ListenOptions struct {
-	Listen                      ListenAddress `json:"listen"`
-	ListenPort                  uint16        `json:"listen_port,omitempty"`
-	TCPFastOpen                 bool          `json:"tcp_fast_open,omitempty"`
-	UDPFragment                 *bool         `json:"udp_fragment,omitempty"`
-	UDPFragmentDefault          bool          `json:"-"`
-	UDPTimeout                  int64         `json:"udp_timeout,omitempty"`
-	ProxyProtocol               bool          `json:"proxy_protocol,omitempty"`
-	ProxyProtocolAcceptNoHeader bool          `json:"proxy_protocol_accept_no_header,omitempty"`
-	Detour                      string        `json:"detour,omitempty"`
+	Listen                      *ListenAddress `json:"listen,omitempty"`
+	ListenPort                  uint16         `json:"listen_port,omitempty"`
+	TCPFastOpen                 bool           `json:"tcp_fast_open,omitempty"`
+	UDPFragment                 *bool          `json:"udp_fragment,omitempty"`
+	UDPFragmentDefault          bool           `json:"-"`
+	UDPTimeout                  int64          `json:"udp_timeout,omitempty"`
+	ProxyProtocol               bool           `json:"proxy_protocol,omitempty"`
+	ProxyProtocolAcceptNoHeader bool           `json:"proxy_protocol_accept_no_header,omitempty"`
+	Detour                      string         `json:"detour,omitempty"`
 	InboundOptions
 }

option/ntp.go

@@ -1,8 +1,9 @@
 package option
 
 type NTPOptions struct {
-	Enabled  bool     `json:"enabled"`
-	Interval Duration `json:"interval,omitempty"`
+	Enabled       bool     `json:"enabled"`
+	Interval      Duration `json:"interval,omitempty"`
+	WriteToSystem bool     `json:"write_to_system,omitempty"`
 	ServerOptions
 	DialerOptions
 }

option/shadowsocks.go

@@ -23,11 +23,11 @@ type ShadowsocksDestination struct {
 type ShadowsocksOutboundOptions struct {
 	DialerOptions
 	ServerOptions
-	Method           string            `json:"method"`
-	Password         string            `json:"password"`
-	Plugin           string            `json:"plugin,omitempty"`
-	PluginOptions    string            `json:"plugin_opts,omitempty"`
-	Network          NetworkList       `json:"network,omitempty"`
-	UoT              bool              `json:"udp_over_tcp,omitempty"`
-	MultiplexOptions *MultiplexOptions `json:"multiplex,omitempty"`
+	Method            string             `json:"method"`
+	Password          string             `json:"password"`
+	Plugin            string             `json:"plugin,omitempty"`
+	PluginOptions     string             `json:"plugin_opts,omitempty"`
+	Network           NetworkList        `json:"network,omitempty"`
+	UDPOverTCPOptions *UDPOverTCPOptions `json:"udp_over_tcp,omitempty"`
+	MultiplexOptions  *MultiplexOptions  `json:"multiplex,omitempty"`
 }

option/simple.go

@@ -17,11 +17,11 @@ type HTTPMixedInboundOptions struct {
 type SocksOutboundOptions struct {
 	DialerOptions
 	ServerOptions
-	Version  string      `json:"version,omitempty"`
-	Username string      `json:"username,omitempty"`
-	Password string      `json:"password,omitempty"`
-	Network  NetworkList `json:"network,omitempty"`
-	UoT      bool        `json:"udp_over_tcp,omitempty"`
+	Version           string             `json:"version,omitempty"`
+	Username          string             `json:"username,omitempty"`
+	Password          string             `json:"password,omitempty"`
+	Network           NetworkList        `json:"network,omitempty"`
+	UDPOverTCPOptions *UDPOverTCPOptions `json:"udp_over_tcp,omitempty"`
 }
 
 type HTTPOutboundOptions struct {

option/types.go

@@ -16,6 +16,11 @@ import (
 
 type ListenAddress netip.Addr
 
+func NewListenAddress(addr netip.Addr) *ListenAddress {
+	address := ListenAddress(addr)
+	return &address
+}
+
 func (a ListenAddress) MarshalJSON() ([]byte, error) {
 	addr := netip.Addr(a)
 	if !addr.IsValid() {
@@ -38,8 +43,11 @@ func (a *ListenAddress) UnmarshalJSON(content []byte) error {
 	return nil
 }
 
-func (a ListenAddress) Build() netip.Addr {
-	return (netip.Addr)(a)
+func (a *ListenAddress) Build() netip.Addr {
+	if a == nil {
+		return netip.AddrFrom4([4]byte{127, 0, 0, 1})
+	}
+	return (netip.Addr)(*a)
 }
 
 type NetworkList string

option/udp_over_tcp.go

@@ -0,0 +1,30 @@
+package option
+
+import (
+	"github.com/sagernet/sing-box/common/json"
+	"github.com/sagernet/sing/common/uot"
+)
+
+type _UDPOverTCPOptions struct {
+	Enabled bool  `json:"enabled,omitempty"`
+	Version uint8 `json:"version,omitempty"`
+}
+
+type UDPOverTCPOptions _UDPOverTCPOptions
+
+func (o UDPOverTCPOptions) MarshalJSON() ([]byte, error) {
+	switch o.Version {
+	case 0, uot.Version:
+		return json.Marshal(o.Enabled)
+	default:
+		return json.Marshal(_UDPOverTCPOptions(o))
+	}
+}
+
+func (o *UDPOverTCPOptions) UnmarshalJSON(bytes []byte) error {
+	err := json.Unmarshal(bytes, &o.Enabled)
+	if err == nil {
+		return nil
+	}
+	return json.Unmarshal(bytes, (*_UDPOverTCPOptions)(o))
+}

option/v2ray_transport.go

@@ -61,10 +61,12 @@ func (o *V2RayTransportOptions) UnmarshalJSON(bytes []byte) error {
 }
 
 type V2RayHTTPOptions struct {
-	Host    Listable[string]  `json:"host,omitempty"`
-	Path    string            `json:"path,omitempty"`
-	Method  string            `json:"method,omitempty"`
-	Headers map[string]string `json:"headers,omitempty"`
+	Host        Listable[string]  `json:"host,omitempty"`
+	Path        string            `json:"path,omitempty"`
+	Method      string            `json:"method,omitempty"`
+	Headers     map[string]string `json:"headers,omitempty"`
+	IdleTimeout Duration          `json:"idle_timeout,omitempty"`
+	PingTimeout Duration          `json:"ping_timeout,omitempty"`
 }
 
 type V2RayWebsocketOptions struct {
@@ -77,6 +79,9 @@ type V2RayWebsocketOptions struct {
 type V2RayQUICOptions struct{}
 
 type V2RayGRPCOptions struct {
-	ServiceName string `json:"service_name,omitempty"`
-	ForceLite   bool   `json:"-"` // for test
+	ServiceName         string   `json:"service_name,omitempty"`
+	IdleTimeout         Duration `json:"idle_timeout,omitempty"`
+	PingTimeout         Duration `json:"ping_timeout,omitempty"`
+	PermitWithoutStream bool     `json:"permit_without_stream,omitempty"`
+	ForceLite           bool     `json:"-"` // for test
 }

outbound/shadowsocks.go

@@ -29,7 +29,7 @@ type Shadowsocks struct {
 	method          shadowsocks.Method
 	serverAddr      M.Socksaddr
 	plugin          sip003.Plugin
-	uot             bool
+	uotClient       *uot.Client
 	multiplexDialer N.Dialer
 }
 
@@ -49,7 +49,6 @@ func NewShadowsocks(ctx context.Context, router adapter.Router, logger log.Conte
 		dialer:     dialer.New(router, options.DialerOptions),
 		method:     method,
 		serverAddr: options.ServerOptions.Build(),
-		uot:        options.UoT,
 	}
 	if options.Plugin != "" {
 		outbound.plugin, err = sip003.CreatePlugin(options.Plugin, options.PluginOptions, router, outbound.dialer, outbound.serverAddr)
@@ -57,12 +56,19 @@ func NewShadowsocks(ctx context.Context, router adapter.Router, logger log.Conte
 			return nil, err
 		}
 	}
-	if !options.UoT {
+	uotOptions := common.PtrValueOrDefault(options.UDPOverTCPOptions)
+	if !uotOptions.Enabled {
 		outbound.multiplexDialer, err = mux.NewClientWithOptions(ctx, (*shadowsocksDialer)(outbound), common.PtrValueOrDefault(options.MultiplexOptions))
 		if err != nil {
 			return nil, err
 		}
 	}
+	if uotOptions.Enabled {
+		outbound.uotClient = &uot.Client{
+			Dialer:  (*shadowsocksDialer)(outbound),
+			Version: uotOptions.Version,
+		}
+	}
 	return outbound, nil
 }
 
@@ -75,18 +81,12 @@ func (h *Shadowsocks) DialContext(ctx context.Context, network string, destinati
 		case N.NetworkTCP:
 			h.logger.InfoContext(ctx, "outbound connection to ", destination)
 		case N.NetworkUDP:
-			if h.uot {
-				h.logger.InfoContext(ctx, "outbound UoT packet connection to ", destination)
-				tcpConn, err := (*shadowsocksDialer)(h).DialContext(ctx, N.NetworkTCP, M.Socksaddr{
-					Fqdn: uot.UOTMagicAddress,
-					Port: destination.Port,
-				})
-				if err != nil {
-					return nil, err
-				}
-				return uot.NewClientConn(tcpConn), nil
+			if h.uotClient != nil {
+				h.logger.InfoContext(ctx, "outbound UoT connect packet connection to ", destination)
+				return h.uotClient.DialContext(ctx, network, destination)
+			} else {
+				h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
 			}
-			h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
 		}
 		return (*shadowsocksDialer)(h).DialContext(ctx, network, destination)
 	} else {
@@ -105,16 +105,11 @@ func (h *Shadowsocks) ListenPacket(ctx context.Context, destination M.Socksaddr)
 	metadata.Outbound = h.tag
 	metadata.Destination = destination
 	if h.multiplexDialer == nil {
-		if h.uot {
+		if h.uotClient != nil {
 			h.logger.InfoContext(ctx, "outbound UoT packet connection to ", destination)
-			tcpConn, err := (*shadowsocksDialer)(h).DialContext(ctx, N.NetworkTCP, M.Socksaddr{
-				Fqdn: uot.UOTMagicAddress,
-				Port: destination.Port,
-			})
-			if err != nil {
-				return nil, err
-			}
-			return uot.NewClientConn(tcpConn), nil
+			return h.uotClient.ListenPacket(ctx, destination)
+		} else {
+			h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
 		}
 		h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
 		return (*shadowsocksDialer)(h).ListenPacket(ctx, destination)

outbound/shadowtls.go

@@ -37,6 +37,11 @@ func NewShadowTLS(ctx context.Context, router adapter.Router, logger log.Context
 	if options.TLS == nil || !options.TLS.Enabled {
 		return nil, C.ErrTLSRequired
 	}
+
+	if options.Version == 0 {
+		options.Version = 1
+	}
+
 	if options.Version == 1 {
 		options.TLS.MinVersion = "1.2"
 		options.TLS.MaxVersion = "1.2"

outbound/socks.go

@@ -9,6 +9,7 @@ import (
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
@@ -20,13 +21,12 @@ var _ adapter.Outbound = (*Socks)(nil)
 
 type Socks struct {
 	myOutboundAdapter
-	client  *socks.Client
-	resolve bool
-	uot     bool
+	client    *socks.Client
+	resolve   bool
+	uotClient *uot.Client
 }
 
 func NewSocks(router adapter.Router, logger log.ContextLogger, tag string, options option.SocksOutboundOptions) (*Socks, error) {
-	detour := dialer.New(router, options.DialerOptions)
 	var version socks.Version
 	var err error
 	if options.Version != "" {
@@ -37,18 +37,25 @@ func NewSocks(router adapter.Router, logger log.ContextLogger, tag string, optio
 	if err != nil {
 		return nil, err
 	}
-	return &Socks{
-		myOutboundAdapter{
+	outbound := &Socks{
+		myOutboundAdapter: myOutboundAdapter{
 			protocol: C.TypeSocks,
 			network:  options.Network.Build(),
 			router:   router,
 			logger:   logger,
 			tag:      tag,
 		},
-		socks.NewClient(detour, options.ServerOptions.Build(), version, options.Username, options.Password),
-		version == socks.Version4,
-		options.UoT,
-	}, nil
+		client:  socks.NewClient(dialer.New(router, options.DialerOptions), options.ServerOptions.Build(), version, options.Username, options.Password),
+		resolve: version == socks.Version4,
+	}
+	uotOptions := common.PtrValueOrDefault(options.UDPOverTCPOptions)
+	if uotOptions.Enabled {
+		outbound.uotClient = &uot.Client{
+			Dialer:  outbound.client,
+			Version: uotOptions.Version,
+		}
+	}
+	return outbound, nil
 }
 
 func (h *Socks) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
@@ -59,16 +66,9 @@ func (h *Socks) DialContext(ctx context.Context, network string, destination M.S
 	case N.NetworkTCP:
 		h.logger.InfoContext(ctx, "outbound connection to ", destination)
 	case N.NetworkUDP:
-		if h.uot {
-			h.logger.InfoContext(ctx, "outbound UoT packet connection to ", destination)
-			tcpConn, err := h.client.DialContext(ctx, N.NetworkTCP, M.Socksaddr{
-				Fqdn: uot.UOTMagicAddress,
-				Port: destination.Port,
-			})
-			if err != nil {
-				return nil, err
-			}
-			return uot.NewClientConn(tcpConn), nil
+		if h.uotClient != nil {
+			h.logger.InfoContext(ctx, "outbound UoT connect packet connection to ", destination)
+			return h.uotClient.DialContext(ctx, network, destination)
 		}
 		h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
 	default:
@@ -88,16 +88,9 @@ func (h *Socks) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.
 	ctx, metadata := adapter.AppendContext(ctx)
 	metadata.Outbound = h.tag
 	metadata.Destination = destination
-	if h.uot {
+	if h.uotClient != nil {
 		h.logger.InfoContext(ctx, "outbound UoT packet connection to ", destination)
-		tcpConn, err := h.client.DialContext(ctx, N.NetworkTCP, M.Socksaddr{
-			Fqdn: uot.UOTMagicAddress,
-			Port: destination.Port,
-		})
-		if err != nil {
-			return nil, err
-		}
-		return uot.NewClientConn(tcpConn), nil
+		return h.uotClient.ListenPacket(ctx, destination)
 	}
 	h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
 	return h.client.ListenPacket(ctx, destination)

outbound/tor_embed.go

@@ -1,4 +1,4 @@
-//go:build with_embedded_tor
+//go:build with_embedded_tor && !(android || ios)
 
 package outbound
 

outbound/tor_embed_mobile.go

@@ -0,0 +1,15 @@
+//go:build with_embedded_tor && (android || ios)
+
+package outbound
+
+import (
+	"github.com/cretz/bine/tor"
+	"github.com/ooni/go-libtor"
+)
+
+func newConfig() tor.StartConf {
+	return tor.StartConf{
+		ProcessCreator:         libtor.Creator,
+		UseEmbeddedControlConn: true,
+	}
+}

release/config/sing-box.service

@@ -8,6 +8,7 @@ WorkingDirectory=/var/lib/sing-box
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 AmbientCapabilities=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 ExecStart=/usr/bin/sing-box run -c /etc/sing-box/config.json
+ExecReload=/bin/kill -HUP $MAINPID
 Restart=on-failure
 RestartSec=10s
 LimitNOFILE=infinity

release/config/sing-box@.service

@@ -8,6 +8,7 @@ WorkingDirectory=/var/lib/sing-box-%i
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 AmbientCapabilities=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 ExecStart=/usr/bin/sing-box run -c /etc/sing-box/%i.json
+ExecReload=/bin/kill -HUP $MAINPID
 Restart=on-failure
 RestartSec=10s
 LimitNOFILE=infinity

release/local/sing-box.service

@@ -8,6 +8,7 @@ WorkingDirectory=/var/lib/sing-box
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 AmbientCapabilities=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 ExecStart=/usr/local/bin/sing-box run -c /usr/local/etc/sing-box/config.json
+ExecReload=/bin/kill -HUP $MAINPID
 Restart=on-failure
 RestartSec=10s
 LimitNOFILE=infinity

route/router.go

@@ -169,6 +169,9 @@ func NewRouter(
 		} else {
 			tag = F.ToString(i)
 		}
+		if transportTagMap[tag] {
+			return nil, E.New("duplicate dns server tag: ", tag)
+		}
 		transportTags[i] = tag
 		transportTagMap[tag] = true
 	}
@@ -241,6 +244,9 @@ func NewRouter(
 		}), func(index int, server option.DNSServerOptions) string {
 			return transportTags[index]
 		})
+		if len(unresolvedTags) == 0 {
+			panic(F.ToString("unexpected unresolved dns servers: ", len(transports), " ", len(dummyTransportMap), " ", len(transportMap)))
+		}
 		return nil, E.New("found circular reference in dns servers: ", strings.Join(unresolvedTags, " "))
 	}
 	var defaultTransport dns.Transport
@@ -577,10 +583,24 @@ func (r *Router) RouteConnection(ctx context.Context, conn net.Conn, metadata ad
 	case vmess.MuxDestination.Fqdn:
 		r.logger.InfoContext(ctx, "inbound legacy multiplex connection")
 		return vmess.HandleMuxConnection(ctx, conn, adapter.NewUpstreamHandler(metadata, r.RouteConnection, r.RoutePacketConnection, r))
-	case uot.UOTMagicAddress:
-		r.logger.InfoContext(ctx, "inbound UoT connection")
+	case uot.MagicAddress:
+		request, err := uot.ReadRequest(conn)
+		if err != nil {
+			return E.Cause(err, "read UoT request")
+		}
+		if request.IsConnect {
+			r.logger.InfoContext(ctx, "inbound UoT connect connection to ", request.Destination)
+		} else {
+			r.logger.InfoContext(ctx, "inbound UoT connection to ", request.Destination)
+		}
+		metadata.Domain = metadata.Destination.Fqdn
+		metadata.Destination = request.Destination
+		return r.RoutePacketConnection(ctx, uot.NewConn(conn, *request), metadata)
+	case uot.LegacyMagicAddress:
+		r.logger.InfoContext(ctx, "inbound legacy UoT connection")
+		metadata.Domain = metadata.Destination.Fqdn
 		metadata.Destination = M.Socksaddr{Addr: netip.IPv4Unspecified()}
-		return r.RoutePacketConnection(ctx, uot.NewClientConn(conn), metadata)
+		return r.RoutePacketConnection(ctx, uot.NewConn(conn, uot.Request{}), metadata)
 	}
 	if metadata.InboundOptions.SniffEnabled {
 		buffer := buf.NewPacket()
@@ -685,7 +705,7 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
 		}
 		conn = bufio.NewCachedPacketConn(conn, buffer, destination)
 	}
-	if metadata.Destination.IsFqdn() && metadata.Destination.Fqdn != uot.UOTMagicAddress && dns.DomainStrategy(metadata.InboundOptions.DomainStrategy) != dns.DomainStrategyAsIS {
+	if metadata.Destination.IsFqdn() && dns.DomainStrategy(metadata.InboundOptions.DomainStrategy) != dns.DomainStrategyAsIS {
 		addresses, err := r.Lookup(adapter.WithContext(ctx, &metadata), metadata.Destination.Fqdn, dns.DomainStrategy(metadata.InboundOptions.DomainStrategy))
 		if err != nil {
 			return err

test/direct_test.go

@@ -16,7 +16,7 @@ func TestProxyProtocol(t *testing.T) {
 				Tag:  "mixed-in",
 				MixedOptions: option.HTTPMixedInboundOptions{
 					ListenOptions: option.ListenOptions{
-						Listen:     option.ListenAddress(netip.IPv4Unspecified()),
+						Listen:     option.NewListenAddress(netip.IPv4Unspecified()),
 						ListenPort: clientPort,
 					},
 				},
@@ -25,7 +25,7 @@ func TestProxyProtocol(t *testing.T) {
 				Type: C.TypeDirect,
 				DirectOptions: option.DirectInboundOptions{
 					ListenOptions: option.ListenOptions{
-						Listen:        option.ListenAddress(netip.IPv4Unspecified()),
+						Listen:        option.NewListenAddress(netip.IPv4Unspecified()),
 						ListenPort:    serverPort,
 						ProxyProtocol: true,
 					},

test/go.mod

@@ -10,12 +10,12 @@ require (
 	github.com/docker/docker v20.10.18+incompatible
 	github.com/docker/go-connections v0.4.0
 	github.com/gofrs/uuid v4.4.0+incompatible
-	github.com/sagernet/sing v0.1.8-0.20230305055148-e16845727f76
+	github.com/sagernet/sing v0.2.1-0.20230318094614-4bbf5f2c3046
 	github.com/sagernet/sing-shadowsocks v0.1.2-0.20230221080503-769c01d6bba9
 	github.com/spyzhov/ajson v0.7.1
-	github.com/stretchr/testify v1.8.1
+	github.com/stretchr/testify v1.8.2
 	go.uber.org/goleak v1.2.0
-	golang.org/x/net v0.7.0
+	golang.org/x/net v0.8.0
 )
 
 require (
@@ -30,6 +30,7 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/docker/distribution v2.8.1+incompatible // indirect
 	github.com/docker/go-units v0.4.0 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/go-chi/chi/v5 v5.0.8 // indirect
 	github.com/go-chi/cors v1.2.1 // indirect
@@ -41,62 +42,61 @@ require (
 	github.com/google/btree v1.0.1 // indirect
 	github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect
 	github.com/hashicorp/yamux v0.1.1 // indirect
-	github.com/insomniacslk/dhcp v0.0.0-20230220010740-598984875576 // indirect
+	github.com/insomniacslk/dhcp v0.0.0-20230307103557-e252950ab961 // indirect
 	github.com/josharian/native v1.1.0 // indirect
 	github.com/klauspost/compress v1.15.15 // indirect
 	github.com/klauspost/cpuid/v2 v2.1.1 // indirect
 	github.com/libdns/libdns v0.2.1 // indirect
 	github.com/logrusorgru/aurora v2.0.3+incompatible // indirect
 	github.com/mholt/acmez v1.1.0 // indirect
-	github.com/miekg/dns v1.1.50 // indirect
+	github.com/miekg/dns v1.1.52 // indirect
 	github.com/moby/term v0.0.0-20221105221325-4eb28fa6025c // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/onsi/ginkgo/v2 v2.2.0 // indirect
+	github.com/ooni/go-libtor v1.1.7 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.0.2 // indirect
 	github.com/oschwald/maxminddb-golang v1.10.0 // indirect
 	github.com/pierrec/lz4/v4 v4.1.14 // indirect
-	github.com/pires/go-proxyproto v0.6.2 // indirect
+	github.com/pires/go-proxyproto v0.7.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/quic-go/qpack v0.4.0 // indirect
 	github.com/quic-go/qtls-go1-18 v0.2.0 // indirect
 	github.com/quic-go/qtls-go1-19 v0.2.0 // indirect
 	github.com/quic-go/qtls-go1-20 v0.1.0 // indirect
-	github.com/sagernet/badhttp v0.0.0-20230228035330-e77eb9a689fd // indirect
-	github.com/sagernet/badhttp2 v0.0.0-20230228040529-408b0b8e774d // indirect
 	github.com/sagernet/cloudflare-tls v0.0.0-20221031050923-d70792f4c3a0 // indirect
 	github.com/sagernet/go-tun2socks v1.16.12-0.20220818015926-16cb67876a61 // indirect
 	github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97 // indirect
 	github.com/sagernet/quic-go v0.0.0-20230202071646-a8c8afb18b32 // indirect
-	github.com/sagernet/reality v0.0.0-20230228045158-d3e085a8e5d1 // indirect
+	github.com/sagernet/reality v0.0.0-20230312150606-35ea9af0e0b8 // indirect
 	github.com/sagernet/sing-dns v0.1.4 // indirect
 	github.com/sagernet/sing-shadowtls v0.1.0 // indirect
-	github.com/sagernet/sing-tun v0.1.2-0.20230226091124-0cdb0eed74d9 // indirect
-	github.com/sagernet/sing-vmess v0.1.3-0.20230303082804-627cc46ae68b // indirect
-	github.com/sagernet/smux v0.0.0-20220831015742-e0f1988e3195 // indirect
+	github.com/sagernet/sing-tun v0.1.3-0.20230315134716-fe89bbded22d // indirect
+	github.com/sagernet/sing-vmess v0.1.3 // indirect
+	github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37 // indirect
 	github.com/sagernet/tfo-go v0.0.0-20230303015439-ffcfd8c41cf9 // indirect
-	github.com/sagernet/utls v0.0.0-20230225061716-536a007c8b01 // indirect
+	github.com/sagernet/utls v0.0.0-20230309024959-6732c2ab36f2 // indirect
 	github.com/sagernet/websocket v0.0.0-20220913015213-615516348b4e // indirect
 	github.com/sagernet/wireguard-go v0.0.0-20221116151939-c99467f53f2c // indirect
 	github.com/sirupsen/logrus v1.9.0 // indirect
-	github.com/u-root/uio v0.0.0-20230215032506-9aa6f7e2d72c // indirect
+	github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923 // indirect
 	github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 // indirect
 	go.etcd.io/bbolt v1.3.7 // indirect
 	go.uber.org/atomic v1.10.0 // indirect
 	go.uber.org/multierr v1.6.0 // indirect
 	go.uber.org/zap v1.24.0 // indirect
-	go4.org/netipx v0.0.0-20230125063823-8449b0a6169f // indirect
-	golang.org/x/crypto v0.6.0 // indirect
-	golang.org/x/exp v0.0.0-20230213192124-5e25df0256eb // indirect
-	golang.org/x/mod v0.6.0 // indirect
-	golang.org/x/sys v0.5.0 // indirect
-	golang.org/x/text v0.7.0 // indirect
+	go4.org/netipx v0.0.0-20230303233057-f1b76eb4bb35 // indirect
+	golang.org/x/crypto v0.7.0 // indirect
+	golang.org/x/exp v0.0.0-20230315142452-642cacee5cc0 // indirect
+	golang.org/x/mod v0.8.0 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
 	golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect
-	golang.org/x/tools v0.2.0 // indirect
+	golang.org/x/tools v0.6.0 // indirect
 	google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f // indirect
 	google.golang.org/grpc v1.53.0 // indirect
-	google.golang.org/protobuf v1.28.1 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	gotest.tools/v3 v3.4.0 // indirect
 	gvisor.dev/gvisor v0.0.0-20220901235040-6ca97ef2ce1c // indirect

test/go.sum

@@ -31,7 +31,8 @@ github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKoh
 github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
 github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw=
 github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
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@@ -53,30 +54,18 @@ github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw
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@@ -89,17 +78,10 @@ github.com/libdns/libdns v0.2.1 h1:Wu59T7wSHRgtA0cfxC+n1c/e+O3upJGWytknkmFEDis=
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@@ -116,8 +100,8 @@ github.com/oschwald/maxminddb-golang v1.10.0 h1:Xp1u0ZhqkSuopaKmk1WwHtjF0H9Hd918
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@@ -171,8 +151,6 @@ github.com/sagernet/wireguard-go v0.0.0-20221116151939-c99467f53f2c/go.mod h1:eu
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@@ -181,14 +159,13 @@ github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpE
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@@ -205,95 +182,75 @@ go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
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@@ -304,8 +261,8 @@ google.golang.org/grpc v1.53.0 h1:LAv2ds7cmFV/XTS3XG1NneeENYrXGmorPxsBbptIjNc=
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