documentation: Update changelog

Cannot use errno as method and variable due to conflict with objc

.goreleaser.yaml

@@ -14,6 +14,7 @@ builds:
     tags:
       - with_gvisor
       - with_quic
+      - with_dhcp
       - with_wireguard
       - with_utls
       - with_reality_server
@@ -48,6 +49,7 @@ builds:
     tags:
       - with_gvisor
       - with_quic
+      - with_dhcp
       - with_wireguard
       - with_utls
       - with_clash_api

Dockerfile

@@ -9,7 +9,7 @@ RUN set -ex \
     && apk add git build-base \
     && export COMMIT=$(git rev-parse --short HEAD) \
     && export VERSION=$(go run ./cmd/internal/read_tag) \
-    && go build -v -trimpath -tags with_gvisor,with_quic,with_wireguard,with_utls,with_reality_server,with_clash_api,with_acme \
+    && go build -v -trimpath -tags with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_reality_server,with_clash_api,with_acme \
         -o /go/bin/sing-box \
         -ldflags "-X \"github.com/sagernet/sing-box/constant.Version=$VERSION\" -s -w -buildid=" \
         ./cmd/sing-box

Makefile

@@ -1,6 +1,6 @@
 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 ?= with_gvisor,with_quic,with_dhcp,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
 
 GOHOSTOS = $(shell go env GOHOSTOS)
@@ -48,14 +48,14 @@ proto_install:
 	go install -v google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
 
 snapshot:
-	go run ./cmd/internal/build goreleaser release --rm-dist --snapshot || exit 1
+	go run ./cmd/internal/build goreleaser release --clean --snapshot || exit 1
 	mkdir dist/release
 	mv dist/*.tar.gz dist/*.zip dist/*.deb dist/*.rpm dist/release
 	ghr --delete --draft --prerelease -p 1 nightly dist/release
 	rm -r dist
 
 release:
-	go run ./cmd/internal/build goreleaser release --rm-dist --skip-publish || exit 1
+	go run ./cmd/internal/build goreleaser release --clean --skip-publish || exit 1
 	mkdir dist/release
 	mv dist/*.tar.gz dist/*.zip dist/*.deb dist/*.rpm dist/release
 	ghr --delete --draft --prerelease -p 3 $(shell git describe --tags) dist/release

adapter/experimental.go

@@ -13,6 +13,7 @@ type ClashServer interface {
 	PreStarter
 	Mode() string
 	StoreSelected() bool
+	StoreFakeIP() bool
 	CacheFile() ClashCacheFile
 	HistoryStorage() *urltest.HistoryStorage
 	RoutedConnection(ctx context.Context, conn net.Conn, metadata InboundContext, matchedRule Rule) (net.Conn, Tracker)
@@ -22,6 +23,7 @@ type ClashServer interface {
 type ClashCacheFile interface {
 	LoadSelected(group string) string
 	StoreSelected(group string, selected string) error
+	FakeIPStorage
 }
 
 type Tracker interface {
@@ -33,6 +35,11 @@ type OutboundGroup interface {
 	All() []string
 }
 
+type URLTestGroup interface {
+	OutboundGroup
+	URLTest(ctx context.Context, url string) (map[string]uint16, error)
+}
+
 func OutboundTag(detour Outbound) string {
 	if group, isGroup := detour.(OutboundGroup); isGroup {
 		return group.Now()

adapter/fakeip.go

@@ -0,0 +1,28 @@
+package adapter
+
+import (
+	"net/netip"
+
+	"github.com/sagernet/sing-dns"
+)
+
+type FakeIPStore interface {
+	Service
+	Contains(address netip.Addr) bool
+	Create(domain string, strategy dns.DomainStrategy) (netip.Addr, error)
+	Lookup(address netip.Addr) (string, bool)
+	Reset() error
+}
+
+type FakeIPStorage interface {
+	FakeIPMetadata() *FakeIPMetadata
+	FakeIPSaveMetadata(metadata *FakeIPMetadata) error
+	FakeIPStore(address netip.Addr, domain string) error
+	FakeIPLoad(address netip.Addr) (string, bool)
+	FakeIPReset() error
+}
+
+type FakeIPTransport interface {
+	dns.Transport
+	Store() FakeIPStore
+}

adapter/fakeip_metadata.go

@@ -0,0 +1,50 @@
+package adapter
+
+import (
+	"bytes"
+	"encoding"
+	"encoding/binary"
+	"io"
+	"net/netip"
+
+	"github.com/sagernet/sing/common"
+)
+
+type FakeIPMetadata struct {
+	Inet4Range   netip.Prefix
+	Inet6Range   netip.Prefix
+	Inet4Current netip.Addr
+	Inet6Current netip.Addr
+}
+
+func (m *FakeIPMetadata) MarshalBinary() (data []byte, err error) {
+	var buffer bytes.Buffer
+	for _, marshaler := range []encoding.BinaryMarshaler{m.Inet4Range, m.Inet6Range, m.Inet4Current, m.Inet6Current} {
+		data, err = marshaler.MarshalBinary()
+		if err != nil {
+			return
+		}
+		common.Must(binary.Write(&buffer, binary.BigEndian, uint16(len(data))))
+		buffer.Write(data)
+	}
+	data = buffer.Bytes()
+	return
+}
+
+func (m *FakeIPMetadata) UnmarshalBinary(data []byte) error {
+	reader := bytes.NewReader(data)
+	for _, unmarshaler := range []encoding.BinaryUnmarshaler{&m.Inet4Range, &m.Inet6Range, &m.Inet4Current, &m.Inet6Current} {
+		var length uint16
+		common.Must(binary.Read(reader, binary.BigEndian, &length))
+		element := make([]byte, length)
+		_, err := io.ReadFull(reader, element)
+		if err != nil {
+			return err
+		}
+		err = unmarshaler.UnmarshalBinary(element)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}

adapter/inbound.go

@@ -27,7 +27,7 @@ type InjectableInbound interface {
 type InboundContext struct {
 	Inbound     string
 	InboundType string
-	IPVersion   int
+	IPVersion   uint8
 	Network     string
 	Source      M.Socksaddr
 	Destination M.Socksaddr
@@ -46,6 +46,7 @@ type InboundContext struct {
 	SourceGeoIPCode      string
 	GeoIPCode            string
 	ProcessInfo          *process.Info
+	FakeIP               bool
 
 	// dns cache
 

adapter/outbound.go

@@ -13,6 +13,7 @@ type Outbound interface {
 	Type() string
 	Tag() string
 	Network() []string
+	Dependencies() []string
 	N.Dialer
 	NewConnection(ctx context.Context, conn net.Conn, metadata InboundContext) error
 	NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext) error

adapter/router.go

@@ -21,6 +21,8 @@ type Router interface {
 	Outbound(tag string) (Outbound, bool)
 	DefaultOutbound(network string) Outbound
 
+	FakeIPStore() FakeIPStore
+
 	RouteConnection(ctx context.Context, conn net.Conn, metadata InboundContext) error
 	RoutePacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext) error
 
@@ -49,6 +51,8 @@ type Router interface {
 
 	V2RayServer() V2RayServer
 	SetV2RayServer(server V2RayServer)
+
+	ResetNetwork() error
 }
 
 type routerContextKey struct{}
@@ -77,6 +81,7 @@ type Rule interface {
 type DNSRule interface {
 	Rule
 	DisableCache() bool
+	RewriteTTL() *uint32
 }
 
 type InterfaceUpdateListener interface {

box.go

@@ -62,6 +62,7 @@ func New(options Options) (*Box, error) {
 		defaultLogWriter = io.Discard
 	}
 	logFactory, err := log.New(log.Options{
+		Context:        ctx,
 		Options:        common.PtrValueOrDefault(options.Log),
 		Observable:     needClashAPI,
 		DefaultWriter:  defaultLogWriter,
@@ -142,7 +143,7 @@ func New(options Options) (*Box, error) {
 	preServices := make(map[string]adapter.Service)
 	postServices := make(map[string]adapter.Service)
 	if needClashAPI {
-		clashServer, err := experimental.NewClashServer(router, logFactory.(log.ObservableFactory), common.PtrValueOrDefault(options.Experimental.ClashAPI))
+		clashServer, err := experimental.NewClashServer(ctx, router, logFactory.(log.ObservableFactory), common.PtrValueOrDefault(options.Experimental.ClashAPI))
 		if err != nil {
 			return nil, E.Cause(err, "create clash api server")
 		}
@@ -216,20 +217,9 @@ func (s *Box) preStart() error {
 			return E.Cause(err, "pre-starting ", serviceName)
 		}
 	}
-	for i, out := range s.outbounds {
+	err := s.startOutbounds()
-		var tag string
+	if err != nil {
-		if out.Tag() == "" {
+		return err
-			tag = F.ToString(i)
-		} else {
-			tag = out.Tag()
-		}
-		if starter, isStarter := out.(common.Starter); isStarter {
-			s.logger.Trace("initializing outbound/", out.Type(), "[", tag, "]")
-			err := starter.Start()
-			if err != nil {
-				return E.Cause(err, "initialize outbound/", out.Type(), "[", tag, "]")
-			}
-		}
 	}
 	return s.router.Start()
 }

box_outbound.go

@@ -0,0 +1,79 @@
+package box
+
+import (
+	"strings"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+	F "github.com/sagernet/sing/common/format"
+)
+
+func (s *Box) startOutbounds() error {
+	outboundTags := make(map[adapter.Outbound]string)
+	outbounds := make(map[string]adapter.Outbound)
+	for i, outboundToStart := range s.outbounds {
+		var outboundTag string
+		if outboundToStart.Tag() == "" {
+			outboundTag = F.ToString(i)
+		} else {
+			outboundTag = outboundToStart.Tag()
+		}
+		if _, exists := outbounds[outboundTag]; exists {
+			return E.New("outbound tag ", outboundTag, " duplicated")
+		}
+		outboundTags[outboundToStart] = outboundTag
+		outbounds[outboundTag] = outboundToStart
+	}
+	started := make(map[string]bool)
+	for {
+		canContinue := false
+	startOne:
+		for _, outboundToStart := range s.outbounds {
+			outboundTag := outboundTags[outboundToStart]
+			if started[outboundTag] {
+				continue
+			}
+			dependencies := outboundToStart.Dependencies()
+			for _, dependency := range dependencies {
+				if !started[dependency] {
+					continue startOne
+				}
+			}
+			started[outboundTag] = true
+			canContinue = true
+			if starter, isStarter := outboundToStart.(common.Starter); isStarter {
+				s.logger.Trace("initializing outbound/", outboundToStart.Type(), "[", outboundTag, "]")
+				err := starter.Start()
+				if err != nil {
+					return E.Cause(err, "initialize outbound/", outboundToStart.Type(), "[", outboundTag, "]")
+				}
+			}
+		}
+		if len(started) == len(s.outbounds) {
+			break
+		}
+		if canContinue {
+			continue
+		}
+		currentOutbound := common.Find(s.outbounds, func(it adapter.Outbound) bool {
+			return !started[outboundTags[it]]
+		})
+		var lintOutbound func(oTree []string, oCurrent adapter.Outbound) error
+		lintOutbound = func(oTree []string, oCurrent adapter.Outbound) error {
+			problemOutboundTag := common.Find(oCurrent.Dependencies(), func(it string) bool {
+				return !started[it]
+			})
+			if common.Contains(oTree, problemOutboundTag) {
+				return E.New("circular outbound dependency: ", strings.Join(oTree, " -> "), " -> ", problemOutboundTag)
+			}
+			problemOutbound := outbounds[problemOutboundTag]
+			if problemOutbound == nil {
+				return E.New("dependency[", problemOutbound, "] not found for outbound[", outboundTags[oCurrent], "]")
+			}
+			return lintOutbound(append(oTree, problemOutboundTag), problemOutbound)
+		}
+		return lintOutbound([]string{outboundTags[currentOutbound]}, currentOutbound)
+	}
+	return nil
+}

cmd/internal/build/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"go/build"
 	"os"
 	"os/exec"
 
@@ -11,6 +12,10 @@ import (
 func main() {
 	build_shared.FindSDK()
 
+	if os.Getenv("build.Default.GOPATH") == "" {
+		os.Setenv("GOPATH", build.Default.GOPATH)
+	}
+
 	command := exec.Command(os.Args[1], os.Args[2:]...)
 	command.Stdout = os.Stdout
 	command.Stderr = os.Stderr

cmd/internal/build_libbox/main.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"strings"
 
 	_ "github.com/sagernet/gomobile/event/key"
 	"github.com/sagernet/sing-box/cmd/internal/build_shared"
@@ -38,18 +39,24 @@ func main() {
 var (
 	sharedFlags []string
 	debugFlags  []string
+	sharedTags  []string
+	iosTags     []string
+	debugTags   []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)
+
+	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_utls", "with_clash_api")
+	iosTags = append(iosTags, "with_dhcp", "with_low_memory", "with_conntrack")
+	debugTags = append(debugTags, "debug")
 }
 
 func buildAndroid() {
@@ -70,9 +77,9 @@ func buildAndroid() {
 
 	args = append(args, "-tags")
 	if !debugEnabled {
-		args = append(args, "with_gvisor,with_quic,with_wireguard,with_utls,with_clash_api")
+		args = append(args, strings.Join(sharedTags, ","))
 	} else {
-		args = append(args, "with_gvisor,with_quic,with_wireguard,with_utls,with_clash_api,debug")
+		args = append(args, strings.Join(append(sharedTags, debugTags...), ","))
 	}
 	args = append(args, "./experimental/libbox")
 
@@ -109,11 +116,12 @@ func buildiOS() {
 		args = append(args, debugFlags...)
 	}
 
+	tags := append(sharedTags, iosTags...)
 	args = append(args, "-tags")
 	if !debugEnabled {
-		args = append(args, "with_gvisor,with_quic,with_utls,with_clash_api,with_low_memory,with_conntrack")
+		args = append(args, strings.Join(tags, ","))
 	} else {
-		args = append(args, "with_gvisor,with_quic,with_utls,with_clash_api,with_low_memory,with_conntrack,debug")
+		args = append(args, strings.Join(append(tags, debugTags...), ","))
 	}
 	args = append(args, "./experimental/libbox")
 

cmd/sing-box/debug.go

@@ -1,44 +0,0 @@
-//go:build debug
-
-package main
-
-import (
-	"encoding/json"
-	"net/http"
-	_ "net/http/pprof"
-	"runtime"
-	"runtime/debug"
-
-	"github.com/sagernet/sing-box/common/badjson"
-	"github.com/sagernet/sing-box/log"
-
-	"github.com/dustin/go-humanize"
-)
-
-func init() {
-	http.HandleFunc("/debug/gc", func(writer http.ResponseWriter, request *http.Request) {
-		writer.WriteHeader(http.StatusNoContent)
-		go debug.FreeOSMemory()
-	})
-	http.HandleFunc("/debug/memory", func(writer http.ResponseWriter, request *http.Request) {
-		var memStats runtime.MemStats
-		runtime.ReadMemStats(&memStats)
-
-		var memObject badjson.JSONObject
-		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())
-
-		encoder := json.NewEncoder(writer)
-		encoder.SetIndent("", "  ")
-		encoder.Encode(memObject)
-	})
-	go func() {
-		err := http.ListenAndServe("0.0.0.0:8964", nil)
-		if err != nil {
-			log.Debug(err)
-		}
-	}()
-}

common/badjsonmerge/merge_test.go

@@ -21,7 +21,7 @@ func TestMergeJSON(t *testing.T) {
 				{
 					Type: C.RuleTypeDefault,
 					DefaultOptions: option.DefaultRule{
-						Network:  N.NetworkTCP,
+						Network:  []string{N.NetworkTCP},
 						Outbound: "direct",
 					},
 				},
@@ -42,7 +42,7 @@ func TestMergeJSON(t *testing.T) {
 				{
 					Type: C.RuleTypeDefault,
 					DefaultOptions: option.DefaultRule{
-						Network:  N.NetworkUDP,
+						Network:  []string{N.NetworkUDP},
 						Outbound: "direct",
 					},
 				},

common/badversion/version.go

@@ -0,0 +1,114 @@
+package badversion
+
+import (
+	"strconv"
+	"strings"
+
+	F "github.com/sagernet/sing/common/format"
+)
+
+type Version struct {
+	Major                int
+	Minor                int
+	Patch                int
+	PreReleaseIdentifier string
+	PreReleaseVersion    int
+}
+
+func (v Version) After(anotherVersion Version) bool {
+	if v.Major > anotherVersion.Major {
+		return true
+	} else if v.Major < anotherVersion.Major {
+		return false
+	}
+	if v.Minor > anotherVersion.Minor {
+		return true
+	} else if v.Minor < anotherVersion.Minor {
+		return false
+	}
+	if v.Patch > anotherVersion.Patch {
+		return true
+	} else if v.Patch < anotherVersion.Patch {
+		return false
+	}
+	if v.PreReleaseIdentifier == "" && anotherVersion.PreReleaseIdentifier != "" {
+		return true
+	} else if v.PreReleaseIdentifier != "" && anotherVersion.PreReleaseIdentifier == "" {
+		return false
+	}
+	if v.PreReleaseIdentifier != "" && anotherVersion.PreReleaseIdentifier != "" {
+		if v.PreReleaseIdentifier == "beta" && anotherVersion.PreReleaseIdentifier == "alpha" {
+			return true
+		} else if v.PreReleaseIdentifier == "alpha" && anotherVersion.PreReleaseIdentifier == "beta" {
+			return false
+		}
+		if v.PreReleaseVersion > anotherVersion.PreReleaseVersion {
+			return true
+		} else if v.PreReleaseVersion < anotherVersion.PreReleaseVersion {
+			return false
+		}
+	}
+	return false
+}
+
+func (v Version) String() string {
+	version := F.ToString(v.Major, ".", v.Minor, ".", v.Patch)
+	if v.PreReleaseIdentifier != "" {
+		version = F.ToString(version, "-", v.PreReleaseIdentifier, ".", v.PreReleaseVersion)
+	}
+	return version
+}
+
+func (v Version) BadString() string {
+	version := F.ToString(v.Major, ".", v.Minor)
+	if v.Patch > 0 {
+		version = F.ToString(version, ".", v.Patch)
+	}
+	if v.PreReleaseIdentifier != "" {
+		version = F.ToString(version, "-", v.PreReleaseIdentifier)
+		if v.PreReleaseVersion > 0 {
+			version = F.ToString(version, v.PreReleaseVersion)
+		}
+	}
+	return version
+}
+
+func Parse(versionName string) (version Version) {
+	if strings.HasPrefix(versionName, "v") {
+		versionName = versionName[1:]
+	}
+	if strings.Contains(versionName, "-") {
+		parts := strings.Split(versionName, "-")
+		versionName = parts[0]
+		identifier := parts[1]
+		if strings.Contains(identifier, ".") {
+			identifierParts := strings.Split(identifier, ".")
+			version.PreReleaseIdentifier = identifierParts[0]
+			if len(identifierParts) >= 2 {
+				version.PreReleaseVersion, _ = strconv.Atoi(identifierParts[1])
+			}
+		} else {
+			if strings.HasPrefix(identifier, "alpha") {
+				version.PreReleaseIdentifier = "alpha"
+				version.PreReleaseVersion, _ = strconv.Atoi(identifier[5:])
+			} else if strings.HasPrefix(identifier, "beta") {
+				version.PreReleaseIdentifier = "beta"
+				version.PreReleaseVersion, _ = strconv.Atoi(identifier[4:])
+			} else {
+				version.PreReleaseIdentifier = identifier
+			}
+		}
+	}
+	versionElements := strings.Split(versionName, ".")
+	versionLen := len(versionElements)
+	if versionLen >= 1 {
+		version.Major, _ = strconv.Atoi(versionElements[0])
+	}
+	if versionLen >= 2 {
+		version.Minor, _ = strconv.Atoi(versionElements[1])
+	}
+	if versionLen >= 3 {
+		version.Patch, _ = strconv.Atoi(versionElements[2])
+	}
+	return
+}

common/badversion/version_json.go

@@ -0,0 +1,17 @@
+package badversion
+
+import "github.com/sagernet/sing-box/common/json"
+
+func (v Version) MarshalJSON() ([]byte, error) {
+	return json.Marshal(v.String())
+}
+
+func (v *Version) UnmarshalJSON(data []byte) error {
+	var version string
+	err := json.Unmarshal(data, &version)
+	if err != nil {
+		return err
+	}
+	*v = Parse(version)
+	return nil
+}

common/badversion/version_test.go

@@ -0,0 +1,18 @@
+package badversion
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestCompareVersion(t *testing.T) {
+	t.Parallel()
+	require.Equal(t, "1.3.0-beta.1", Parse("v1.3.0-beta1").String())
+	require.Equal(t, "1.3-beta1", Parse("v1.3.0-beta.1").BadString())
+	require.True(t, Parse("1.3.0").After(Parse("1.3-beta1")))
+	require.True(t, Parse("1.3.0").After(Parse("1.3.0-beta1")))
+	require.True(t, Parse("1.3.0-beta1").After(Parse("1.3.0-alpha1")))
+	require.True(t, Parse("1.3.1").After(Parse("1.3.0")))
+	require.True(t, Parse("1.4").After(Parse("1.3")))
+}

common/dialer/conntrack/packet_conn.go

@@ -4,6 +4,7 @@ import (
 	"io"
 	"net"
 
+	"github.com/sagernet/sing/common/bufio"
 	"github.com/sagernet/sing/common/x/list"
 )
 
@@ -42,7 +43,7 @@ func (c *PacketConn) Close() error {
 }
 
 func (c *PacketConn) Upstream() any {
-	return c.PacketConn
+	return bufio.NewPacketConn(c.PacketConn)
 }
 
 func (c *PacketConn) ReaderReplaceable() bool {

common/dialer/tfo.go

@@ -27,7 +27,12 @@ type slowOpenConn struct {
 
 func DialSlowContext(dialer *tfo.Dialer, ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
 	if dialer.DisableTFO || N.NetworkName(network) != N.NetworkTCP {
-		return dialer.DialContext(ctx, network, destination.String(), nil)
+		switch N.NetworkName(network) {
+		case N.NetworkTCP, N.NetworkUDP:
+			return dialer.Dialer.DialContext(ctx, network, destination.String())
+		default:
+			return dialer.Dialer.DialContext(ctx, network, destination.AddrString())
+		}
 	}
 	return &slowOpenConn{
 		dialer:      dialer,

common/mux/client.go

@@ -1,535 +1,21 @@
 package mux
 
 import (
-	"context"
-	"encoding/binary"
-	"io"
-	"net"
-	"sync"
-
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing-mux"
-	"github.com/sagernet/sing/common/buf"
-	"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/x/list"
 )
 
-var _ N.Dialer = (*Client)(nil)
+func NewClientWithOptions(dialer N.Dialer, options option.MultiplexOptions) (*Client, error) {
-
-type Client struct {
-	access         sync.Mutex
-	connections    list.List[abstractSession]
-	ctx            context.Context
-	dialer         N.Dialer
-	protocol       Protocol
-	maxConnections int
-	minStreams     int
-	maxStreams     int
-}
-
-func NewClient(ctx context.Context, dialer N.Dialer, protocol Protocol, maxConnections int, minStreams int, maxStreams int) *Client {
-	return &Client{
-		ctx:            ctx,
-		dialer:         dialer,
-		protocol:       protocol,
-		maxConnections: maxConnections,
-		minStreams:     minStreams,
-		maxStreams:     maxStreams,
-	}
-}
-
-func NewClientWithOptions(ctx context.Context, dialer N.Dialer, options option.MultiplexOptions) (N.Dialer, error) {
 	if !options.Enabled {
 		return nil, nil
 	}
-	if options.MaxConnections == 0 && options.MaxStreams == 0 {
+	return mux.NewClient(mux.Options{
-		options.MinStreams = 8
+		Dialer:         dialer,
-	}
+		Protocol:       options.Protocol,
-	protocol, err := ParseProtocol(options.Protocol)
+		MaxConnections: options.MaxConnections,
-	if err != nil {
+		MinStreams:     options.MinStreams,
-		return nil, err
+		MaxStreams:     options.MaxStreams,
-	}
+		Padding:        options.Padding,
-	return NewClient(ctx, dialer, protocol, options.MaxConnections, options.MinStreams, options.MaxStreams), nil
+	})
-}
-
-func (c *Client) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
-	switch N.NetworkName(network) {
-	case N.NetworkTCP:
-		stream, err := c.openStream()
-		if err != nil {
-			return nil, err
-		}
-		return &ClientConn{Conn: stream, destination: destination}, nil
-	case N.NetworkUDP:
-		stream, err := c.openStream()
-		if err != nil {
-			return nil, err
-		}
-		return bufio.NewUnbindPacketConn(&ClientPacketConn{ExtendedConn: bufio.NewExtendedConn(stream), destination: destination}), nil
-	default:
-		return nil, E.Extend(N.ErrUnknownNetwork, network)
-	}
-}
-
-func (c *Client) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	stream, err := c.openStream()
-	if err != nil {
-		return nil, err
-	}
-	return &ClientPacketAddrConn{ExtendedConn: bufio.NewExtendedConn(stream), destination: destination}, nil
-}
-
-func (c *Client) openStream() (net.Conn, error) {
-	var (
-		session abstractSession
-		stream  net.Conn
-		err     error
-	)
-	for attempts := 0; attempts < 2; attempts++ {
-		session, err = c.offer()
-		if err != nil {
-			continue
-		}
-		stream, err = session.Open()
-		if err != nil {
-			continue
-		}
-		break
-	}
-	if err != nil {
-		return nil, err
-	}
-	return &wrapStream{stream}, nil
-}
-
-func (c *Client) offer() (abstractSession, error) {
-	c.access.Lock()
-	defer c.access.Unlock()
-
-	sessions := make([]abstractSession, 0, c.maxConnections)
-	for element := c.connections.Front(); element != nil; {
-		if element.Value.IsClosed() {
-			nextElement := element.Next()
-			c.connections.Remove(element)
-			element = nextElement
-			continue
-		}
-		sessions = append(sessions, element.Value)
-		element = element.Next()
-	}
-	sLen := len(sessions)
-	if sLen == 0 {
-		return c.offerNew()
-	}
-	session := common.MinBy(sessions, abstractSession.NumStreams)
-	numStreams := session.NumStreams()
-	if numStreams == 0 {
-		return session, nil
-	}
-	if c.maxConnections > 0 {
-		if sLen >= c.maxConnections || numStreams < c.minStreams {
-			return session, nil
-		}
-	} else {
-		if c.maxStreams > 0 && numStreams < c.maxStreams {
-			return session, nil
-		}
-	}
-	return c.offerNew()
-}
-
-func (c *Client) offerNew() (abstractSession, error) {
-	conn, err := c.dialer.DialContext(c.ctx, N.NetworkTCP, Destination)
-	if err != nil {
-		return nil, err
-	}
-	if vectorisedWriter, isVectorised := bufio.CreateVectorisedWriter(conn); isVectorised {
-		conn = &vectorisedProtocolConn{protocolConn{Conn: conn, protocol: c.protocol}, vectorisedWriter}
-	} else {
-		conn = &protocolConn{Conn: conn, protocol: c.protocol}
-	}
-	session, err := c.protocol.newClient(conn)
-	if err != nil {
-		return nil, err
-	}
-	c.connections.PushBack(session)
-	return session, nil
-}
-
-func (c *Client) Close() error {
-	c.access.Lock()
-	defer c.access.Unlock()
-	for _, session := range c.connections.Array() {
-		session.Close()
-	}
-	return nil
-}
-
-type ClientConn struct {
-	net.Conn
-	destination  M.Socksaddr
-	requestWrite bool
-	responseRead bool
-}
-
-func (c *ClientConn) readResponse() error {
-	response, err := ReadStreamResponse(c.Conn)
-	if err != nil {
-		return err
-	}
-	if response.Status == statusError {
-		return E.New("remote error: ", response.Message)
-	}
-	return nil
-}
-
-func (c *ClientConn) Read(b []byte) (n int, err error) {
-	if !c.responseRead {
-		err = c.readResponse()
-		if err != nil {
-			return
-		}
-		c.responseRead = true
-	}
-	return c.Conn.Read(b)
-}
-
-func (c *ClientConn) Write(b []byte) (n int, err error) {
-	if c.requestWrite {
-		return c.Conn.Write(b)
-	}
-	request := StreamRequest{
-		Network:     N.NetworkTCP,
-		Destination: c.destination,
-	}
-	_buffer := buf.StackNewSize(requestLen(request) + len(b))
-	defer common.KeepAlive(_buffer)
-	buffer := common.Dup(_buffer)
-	defer buffer.Release()
-	EncodeStreamRequest(request, buffer)
-	buffer.Write(b)
-	_, err = c.Conn.Write(buffer.Bytes())
-	if err != nil {
-		return
-	}
-	c.requestWrite = true
-	return len(b), nil
-}
-
-func (c *ClientConn) ReadFrom(r io.Reader) (n int64, err error) {
-	if !c.requestWrite {
-		return bufio.ReadFrom0(c, r)
-	}
-	return bufio.Copy(c.Conn, r)
-}
-
-func (c *ClientConn) WriteTo(w io.Writer) (n int64, err error) {
-	if !c.responseRead {
-		return bufio.WriteTo0(c, w)
-	}
-	return bufio.Copy(w, c.Conn)
-}
-
-func (c *ClientConn) LocalAddr() net.Addr {
-	return c.Conn.LocalAddr()
-}
-
-func (c *ClientConn) RemoteAddr() net.Addr {
-	return c.destination.TCPAddr()
-}
-
-func (c *ClientConn) ReaderReplaceable() bool {
-	return c.responseRead
-}
-
-func (c *ClientConn) WriterReplaceable() bool {
-	return c.requestWrite
-}
-
-func (c *ClientConn) NeedAdditionalReadDeadline() bool {
-	return true
-}
-
-func (c *ClientConn) Upstream() any {
-	return c.Conn
-}
-
-type ClientPacketConn struct {
-	N.ExtendedConn
-	destination  M.Socksaddr
-	requestWrite bool
-	responseRead bool
-}
-
-func (c *ClientPacketConn) readResponse() error {
-	response, err := ReadStreamResponse(c.ExtendedConn)
-	if err != nil {
-		return err
-	}
-	if response.Status == statusError {
-		return E.New("remote error: ", response.Message)
-	}
-	return nil
-}
-
-func (c *ClientPacketConn) Read(b []byte) (n int, err error) {
-	if !c.responseRead {
-		err = c.readResponse()
-		if err != nil {
-			return
-		}
-		c.responseRead = true
-	}
-	var length uint16
-	err = binary.Read(c.ExtendedConn, binary.BigEndian, &length)
-	if err != nil {
-		return
-	}
-	if cap(b) < int(length) {
-		return 0, io.ErrShortBuffer
-	}
-	return io.ReadFull(c.ExtendedConn, b[:length])
-}
-
-func (c *ClientPacketConn) writeRequest(payload []byte) (n int, err error) {
-	request := StreamRequest{
-		Network:     N.NetworkUDP,
-		Destination: c.destination,
-	}
-	rLen := requestLen(request)
-	if len(payload) > 0 {
-		rLen += 2 + len(payload)
-	}
-	_buffer := buf.StackNewSize(rLen)
-	defer common.KeepAlive(_buffer)
-	buffer := common.Dup(_buffer)
-	defer buffer.Release()
-	EncodeStreamRequest(request, buffer)
-	if len(payload) > 0 {
-		common.Must(
-			binary.Write(buffer, binary.BigEndian, uint16(len(payload))),
-			common.Error(buffer.Write(payload)),
-		)
-	}
-	_, err = c.ExtendedConn.Write(buffer.Bytes())
-	if err != nil {
-		return
-	}
-	c.requestWrite = true
-	return len(payload), nil
-}
-
-func (c *ClientPacketConn) Write(b []byte) (n int, err error) {
-	if !c.requestWrite {
-		return c.writeRequest(b)
-	}
-	err = binary.Write(c.ExtendedConn, binary.BigEndian, uint16(len(b)))
-	if err != nil {
-		return
-	}
-	return c.ExtendedConn.Write(b)
-}
-
-func (c *ClientPacketConn) ReadBuffer(buffer *buf.Buffer) (err error) {
-	if !c.responseRead {
-		err = c.readResponse()
-		if err != nil {
-			return
-		}
-		c.responseRead = true
-	}
-	var length uint16
-	err = binary.Read(c.ExtendedConn, binary.BigEndian, &length)
-	if err != nil {
-		return
-	}
-	_, err = buffer.ReadFullFrom(c.ExtendedConn, int(length))
-	return
-}
-
-func (c *ClientPacketConn) WriteBuffer(buffer *buf.Buffer) error {
-	if !c.requestWrite {
-		defer buffer.Release()
-		return common.Error(c.writeRequest(buffer.Bytes()))
-	}
-	bLen := buffer.Len()
-	binary.BigEndian.PutUint16(buffer.ExtendHeader(2), uint16(bLen))
-	return c.ExtendedConn.WriteBuffer(buffer)
-}
-
-func (c *ClientPacketConn) FrontHeadroom() int {
-	return 2
-}
-
-func (c *ClientPacketConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, err error) {
-	err = c.ReadBuffer(buffer)
-	return
-}
-
-func (c *ClientPacketConn) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
-	return c.WriteBuffer(buffer)
-}
-
-func (c *ClientPacketConn) LocalAddr() net.Addr {
-	return c.ExtendedConn.LocalAddr()
-}
-
-func (c *ClientPacketConn) RemoteAddr() net.Addr {
-	return c.destination.UDPAddr()
-}
-
-func (c *ClientPacketConn) NeedAdditionalReadDeadline() bool {
-	return true
-}
-
-func (c *ClientPacketConn) Upstream() any {
-	return c.ExtendedConn
-}
-
-var _ N.NetPacketConn = (*ClientPacketAddrConn)(nil)
-
-type ClientPacketAddrConn struct {
-	N.ExtendedConn
-	destination  M.Socksaddr
-	requestWrite bool
-	responseRead bool
-}
-
-func (c *ClientPacketAddrConn) readResponse() error {
-	response, err := ReadStreamResponse(c.ExtendedConn)
-	if err != nil {
-		return err
-	}
-	if response.Status == statusError {
-		return E.New("remote error: ", response.Message)
-	}
-	return nil
-}
-
-func (c *ClientPacketAddrConn) ReadFrom(p []byte) (n int, addr net.Addr, err error) {
-	if !c.responseRead {
-		err = c.readResponse()
-		if err != nil {
-			return
-		}
-		c.responseRead = true
-	}
-	destination, err := M.SocksaddrSerializer.ReadAddrPort(c.ExtendedConn)
-	if err != nil {
-		return
-	}
-	if destination.IsFqdn() {
-		addr = destination
-	} else {
-		addr = destination.UDPAddr()
-	}
-	var length uint16
-	err = binary.Read(c.ExtendedConn, binary.BigEndian, &length)
-	if err != nil {
-		return
-	}
-	if cap(p) < int(length) {
-		return 0, nil, io.ErrShortBuffer
-	}
-	n, err = io.ReadFull(c.ExtendedConn, p[:length])
-	return
-}
-
-func (c *ClientPacketAddrConn) writeRequest(payload []byte, destination M.Socksaddr) (n int, err error) {
-	request := StreamRequest{
-		Network:     N.NetworkUDP,
-		Destination: c.destination,
-		PacketAddr:  true,
-	}
-	rLen := requestLen(request)
-	if len(payload) > 0 {
-		rLen += M.SocksaddrSerializer.AddrPortLen(destination) + 2 + len(payload)
-	}
-	_buffer := buf.StackNewSize(rLen)
-	defer common.KeepAlive(_buffer)
-	buffer := common.Dup(_buffer)
-	defer buffer.Release()
-	EncodeStreamRequest(request, buffer)
-	if len(payload) > 0 {
-		common.Must(
-			M.SocksaddrSerializer.WriteAddrPort(buffer, destination),
-			binary.Write(buffer, binary.BigEndian, uint16(len(payload))),
-			common.Error(buffer.Write(payload)),
-		)
-	}
-	_, err = c.ExtendedConn.Write(buffer.Bytes())
-	if err != nil {
-		return
-	}
-	c.requestWrite = true
-	return len(payload), nil
-}
-
-func (c *ClientPacketAddrConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
-	if !c.requestWrite {
-		return c.writeRequest(p, M.SocksaddrFromNet(addr))
-	}
-	err = M.SocksaddrSerializer.WriteAddrPort(c.ExtendedConn, M.SocksaddrFromNet(addr))
-	if err != nil {
-		return
-	}
-	err = binary.Write(c.ExtendedConn, binary.BigEndian, uint16(len(p)))
-	if err != nil {
-		return
-	}
-	return c.ExtendedConn.Write(p)
-}
-
-func (c *ClientPacketAddrConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, err error) {
-	if !c.responseRead {
-		err = c.readResponse()
-		if err != nil {
-			return
-		}
-		c.responseRead = true
-	}
-	destination, err = M.SocksaddrSerializer.ReadAddrPort(c.ExtendedConn)
-	if err != nil {
-		return
-	}
-	var length uint16
-	err = binary.Read(c.ExtendedConn, binary.BigEndian, &length)
-	if err != nil {
-		return
-	}
-	_, err = buffer.ReadFullFrom(c.ExtendedConn, int(length))
-	return
-}
-
-func (c *ClientPacketAddrConn) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
-	if !c.requestWrite {
-		defer buffer.Release()
-		return common.Error(c.writeRequest(buffer.Bytes(), destination))
-	}
-	bLen := buffer.Len()
-	header := buf.With(buffer.ExtendHeader(M.SocksaddrSerializer.AddrPortLen(destination) + 2))
-	common.Must(
-		M.SocksaddrSerializer.WriteAddrPort(header, destination),
-		binary.Write(header, binary.BigEndian, uint16(bLen)),
-	)
-	return c.ExtendedConn.WriteBuffer(buffer)
-}
-
-func (c *ClientPacketAddrConn) LocalAddr() net.Addr {
-	return c.ExtendedConn.LocalAddr()
-}
-
-func (c *ClientPacketAddrConn) FrontHeadroom() int {
-	return 2 + M.MaxSocksaddrLength
-}
-
-func (c *ClientPacketAddrConn) NeedAdditionalReadDeadline() bool {
-	return true
-}
-
-func (c *ClientPacketAddrConn) Upstream() any {
-	return c.ExtendedConn
 }

common/mux/protocol.go

@@ -1,240 +1,14 @@
 package mux
 
 import (
-	"encoding/binary"
+	"github.com/sagernet/sing-mux"
-	"io"
-	"net"
-
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing/common"
-	"github.com/sagernet/sing/common/buf"
-	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/rw"
-	"github.com/sagernet/smux"
-
-	"github.com/hashicorp/yamux"
 )
 
-var Destination = M.Socksaddr{
+type (
-	Fqdn: "sp.mux.sing-box.arpa",
+	Client = mux.Client
-	Port: 444,
-}
-
-const (
-	ProtocolSMux Protocol = iota
-	ProtocolYAMux
 )
 
-type Protocol byte
+var (
-
+	Destination      = mux.Destination
-func ParseProtocol(name string) (Protocol, error) {
+	HandleConnection = mux.HandleConnection
-	switch name {
-	case "", "smux":
-		return ProtocolSMux, nil
-	case "yamux":
-		return ProtocolYAMux, nil
-	default:
-		return ProtocolYAMux, E.New("unknown multiplex protocol: ", name)
-	}
-}
-
-func (p Protocol) newServer(conn net.Conn) (abstractSession, error) {
-	switch p {
-	case ProtocolSMux:
-		session, err := smux.Server(conn, smuxConfig())
-		if err != nil {
-			return nil, err
-		}
-		return &smuxSession{session}, nil
-	case ProtocolYAMux:
-		return yamux.Server(conn, yaMuxConfig())
-	default:
-		panic("unknown protocol")
-	}
-}
-
-func (p Protocol) newClient(conn net.Conn) (abstractSession, error) {
-	switch p {
-	case ProtocolSMux:
-		session, err := smux.Client(conn, smuxConfig())
-		if err != nil {
-			return nil, err
-		}
-		return &smuxSession{session}, nil
-	case ProtocolYAMux:
-		return yamux.Client(conn, yaMuxConfig())
-	default:
-		panic("unknown protocol")
-	}
-}
-
-func smuxConfig() *smux.Config {
-	config := smux.DefaultConfig()
-	config.KeepAliveDisabled = true
-	return config
-}
-
-func yaMuxConfig() *yamux.Config {
-	config := yamux.DefaultConfig()
-	config.LogOutput = io.Discard
-	config.StreamCloseTimeout = C.TCPTimeout
-	config.StreamOpenTimeout = C.TCPTimeout
-	return config
-}
-
-func (p Protocol) String() string {
-	switch p {
-	case ProtocolSMux:
-		return "smux"
-	case ProtocolYAMux:
-		return "yamux"
-	default:
-		return "unknown"
-	}
-}
-
-const (
-	version0 = 0
 )
-
-type Request struct {
-	Protocol Protocol
-}
-
-func ReadRequest(reader io.Reader) (*Request, error) {
-	version, err := rw.ReadByte(reader)
-	if err != nil {
-		return nil, err
-	}
-	if version != version0 {
-		return nil, E.New("unsupported version: ", version)
-	}
-	protocol, err := rw.ReadByte(reader)
-	if err != nil {
-		return nil, err
-	}
-	if protocol > byte(ProtocolYAMux) {
-		return nil, E.New("unsupported protocol: ", protocol)
-	}
-	return &Request{Protocol: Protocol(protocol)}, nil
-}
-
-func EncodeRequest(buffer *buf.Buffer, request Request) {
-	buffer.WriteByte(version0)
-	buffer.WriteByte(byte(request.Protocol))
-}
-
-const (
-	flagUDP       = 1
-	flagAddr      = 2
-	statusSuccess = 0
-	statusError   = 1
-)
-
-type StreamRequest struct {
-	Network     string
-	Destination M.Socksaddr
-	PacketAddr  bool
-}
-
-func ReadStreamRequest(reader io.Reader) (*StreamRequest, error) {
-	var flags uint16
-	err := binary.Read(reader, binary.BigEndian, &flags)
-	if err != nil {
-		return nil, err
-	}
-	destination, err := M.SocksaddrSerializer.ReadAddrPort(reader)
-	if err != nil {
-		return nil, err
-	}
-	var network string
-	var udpAddr bool
-	if flags&flagUDP == 0 {
-		network = N.NetworkTCP
-	} else {
-		network = N.NetworkUDP
-		udpAddr = flags&flagAddr != 0
-	}
-	return &StreamRequest{network, destination, udpAddr}, nil
-}
-
-func requestLen(request StreamRequest) int {
-	var rLen int
-	rLen += 1 // version
-	rLen += 2 // flags
-	rLen += M.SocksaddrSerializer.AddrPortLen(request.Destination)
-	return rLen
-}
-
-func EncodeStreamRequest(request StreamRequest, buffer *buf.Buffer) {
-	destination := request.Destination
-	var flags uint16
-	if request.Network == N.NetworkUDP {
-		flags |= flagUDP
-	}
-	if request.PacketAddr {
-		flags |= flagAddr
-		if !destination.IsValid() {
-			destination = Destination
-		}
-	}
-	common.Must(
-		binary.Write(buffer, binary.BigEndian, flags),
-		M.SocksaddrSerializer.WriteAddrPort(buffer, destination),
-	)
-}
-
-type StreamResponse struct {
-	Status  uint8
-	Message string
-}
-
-func ReadStreamResponse(reader io.Reader) (*StreamResponse, error) {
-	var response StreamResponse
-	status, err := rw.ReadByte(reader)
-	if err != nil {
-		return nil, err
-	}
-	response.Status = status
-	if status == statusError {
-		response.Message, err = rw.ReadVString(reader)
-		if err != nil {
-			return nil, err
-		}
-	}
-	return &response, nil
-}
-
-type wrapStream struct {
-	net.Conn
-}
-
-func (w *wrapStream) Read(p []byte) (n int, err error) {
-	n, err = w.Conn.Read(p)
-	err = wrapError(err)
-	return
-}
-
-func (w *wrapStream) Write(p []byte) (n int, err error) {
-	n, err = w.Conn.Write(p)
-	err = wrapError(err)
-	return
-}
-
-func (w *wrapStream) WriteIsThreadUnsafe() {
-}
-
-func (w *wrapStream) Upstream() any {
-	return w.Conn
-}
-
-func wrapError(err error) error {
-	switch err {
-	case yamux.ErrStreamClosed:
-		return io.EOF
-	default:
-		return err
-	}
-}

common/mux/service.go

@@ -1,269 +0,0 @@
-package mux
-
-import (
-	"context"
-	"encoding/binary"
-	"net"
-
-	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing/common"
-	"github.com/sagernet/sing/common/buf"
-	"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/rw"
-	"github.com/sagernet/sing/common/task"
-)
-
-func NewConnection(ctx context.Context, router adapter.Router, errorHandler E.Handler, logger log.ContextLogger, conn net.Conn, metadata adapter.InboundContext) error {
-	request, err := ReadRequest(conn)
-	if err != nil {
-		return err
-	}
-	session, err := request.Protocol.newServer(conn)
-	if err != nil {
-		return err
-	}
-	var group task.Group
-	group.Append0(func(ctx context.Context) error {
-		var stream net.Conn
-		for {
-			stream, err = session.Accept()
-			if err != nil {
-				return err
-			}
-			go newConnection(ctx, router, errorHandler, logger, stream, metadata)
-		}
-	})
-	group.Cleanup(func() {
-		session.Close()
-	})
-	return group.Run(ctx)
-}
-
-func newConnection(ctx context.Context, router adapter.Router, errorHandler E.Handler, logger log.ContextLogger, stream net.Conn, metadata adapter.InboundContext) {
-	stream = &wrapStream{stream}
-	request, err := ReadStreamRequest(stream)
-	if err != nil {
-		logger.ErrorContext(ctx, err)
-		return
-	}
-	metadata.Destination = request.Destination
-	if request.Network == N.NetworkTCP {
-		logger.InfoContext(ctx, "inbound multiplex connection to ", metadata.Destination)
-		hErr := router.RouteConnection(ctx, &ServerConn{ExtendedConn: bufio.NewExtendedConn(stream)}, metadata)
-		stream.Close()
-		if hErr != nil {
-			errorHandler.NewError(ctx, hErr)
-		}
-	} else {
-		var packetConn N.PacketConn
-		if !request.PacketAddr {
-			logger.InfoContext(ctx, "inbound multiplex packet connection to ", metadata.Destination)
-			packetConn = &ServerPacketConn{ExtendedConn: bufio.NewExtendedConn(stream), destination: request.Destination}
-		} else {
-			logger.InfoContext(ctx, "inbound multiplex packet connection")
-			packetConn = &ServerPacketAddrConn{ExtendedConn: bufio.NewExtendedConn(stream)}
-		}
-		hErr := router.RoutePacketConnection(ctx, packetConn, metadata)
-		stream.Close()
-		if hErr != nil {
-			errorHandler.NewError(ctx, hErr)
-		}
-	}
-}
-
-var _ N.HandshakeConn = (*ServerConn)(nil)
-
-type ServerConn struct {
-	N.ExtendedConn
-	responseWrite bool
-}
-
-func (c *ServerConn) HandshakeFailure(err error) error {
-	errMessage := err.Error()
-	_buffer := buf.StackNewSize(1 + rw.UVariantLen(uint64(len(errMessage))) + len(errMessage))
-	defer common.KeepAlive(_buffer)
-	buffer := common.Dup(_buffer)
-	defer buffer.Release()
-	common.Must(
-		buffer.WriteByte(statusError),
-		rw.WriteVString(_buffer, errMessage),
-	)
-	return c.ExtendedConn.WriteBuffer(buffer)
-}
-
-func (c *ServerConn) Write(b []byte) (n int, err error) {
-	if c.responseWrite {
-		return c.ExtendedConn.Write(b)
-	}
-	_buffer := buf.StackNewSize(1 + len(b))
-	defer common.KeepAlive(_buffer)
-	buffer := common.Dup(_buffer)
-	defer buffer.Release()
-	common.Must(
-		buffer.WriteByte(statusSuccess),
-		common.Error(buffer.Write(b)),
-	)
-	_, err = c.ExtendedConn.Write(buffer.Bytes())
-	if err != nil {
-		return
-	}
-	c.responseWrite = true
-	return len(b), nil
-}
-
-func (c *ServerConn) WriteBuffer(buffer *buf.Buffer) error {
-	if c.responseWrite {
-		return c.ExtendedConn.WriteBuffer(buffer)
-	}
-	buffer.ExtendHeader(1)[0] = statusSuccess
-	c.responseWrite = true
-	return c.ExtendedConn.WriteBuffer(buffer)
-}
-
-func (c *ServerConn) FrontHeadroom() int {
-	if !c.responseWrite {
-		return 1
-	}
-	return 0
-}
-
-func (c *ServerConn) NeedAdditionalReadDeadline() bool {
-	return true
-}
-
-func (c *ServerConn) Upstream() any {
-	return c.ExtendedConn
-}
-
-var (
-	_ N.HandshakeConn = (*ServerPacketConn)(nil)
-	_ N.PacketConn    = (*ServerPacketConn)(nil)
-)
-
-type ServerPacketConn struct {
-	N.ExtendedConn
-	destination   M.Socksaddr
-	responseWrite bool
-}
-
-func (c *ServerPacketConn) HandshakeFailure(err error) error {
-	errMessage := err.Error()
-	_buffer := buf.StackNewSize(1 + rw.UVariantLen(uint64(len(errMessage))) + len(errMessage))
-	defer common.KeepAlive(_buffer)
-	buffer := common.Dup(_buffer)
-	defer buffer.Release()
-	common.Must(
-		buffer.WriteByte(statusError),
-		rw.WriteVString(_buffer, errMessage),
-	)
-	return c.ExtendedConn.WriteBuffer(buffer)
-}
-
-func (c *ServerPacketConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, err error) {
-	var length uint16
-	err = binary.Read(c.ExtendedConn, binary.BigEndian, &length)
-	if err != nil {
-		return
-	}
-	_, err = buffer.ReadFullFrom(c.ExtendedConn, int(length))
-	if err != nil {
-		return
-	}
-	destination = c.destination
-	return
-}
-
-func (c *ServerPacketConn) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
-	pLen := buffer.Len()
-	common.Must(binary.Write(buf.With(buffer.ExtendHeader(2)), binary.BigEndian, uint16(pLen)))
-	if !c.responseWrite {
-		buffer.ExtendHeader(1)[0] = statusSuccess
-		c.responseWrite = true
-	}
-	return c.ExtendedConn.WriteBuffer(buffer)
-}
-
-func (c *ServerPacketConn) NeedAdditionalReadDeadline() bool {
-	return true
-}
-
-func (c *ServerPacketConn) Upstream() any {
-	return c.ExtendedConn
-}
-
-func (c *ServerPacketConn) FrontHeadroom() int {
-	if !c.responseWrite {
-		return 3
-	}
-	return 2
-}
-
-var (
-	_ N.HandshakeConn = (*ServerPacketAddrConn)(nil)
-	_ N.PacketConn    = (*ServerPacketAddrConn)(nil)
-)
-
-type ServerPacketAddrConn struct {
-	N.ExtendedConn
-	responseWrite bool
-}
-
-func (c *ServerPacketAddrConn) HandshakeFailure(err error) error {
-	errMessage := err.Error()
-	_buffer := buf.StackNewSize(1 + rw.UVariantLen(uint64(len(errMessage))) + len(errMessage))
-	defer common.KeepAlive(_buffer)
-	buffer := common.Dup(_buffer)
-	defer buffer.Release()
-	common.Must(
-		buffer.WriteByte(statusError),
-		rw.WriteVString(_buffer, errMessage),
-	)
-	return c.ExtendedConn.WriteBuffer(buffer)
-}
-
-func (c *ServerPacketAddrConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, err error) {
-	destination, err = M.SocksaddrSerializer.ReadAddrPort(c.ExtendedConn)
-	if err != nil {
-		return
-	}
-	var length uint16
-	err = binary.Read(c.ExtendedConn, binary.BigEndian, &length)
-	if err != nil {
-		return
-	}
-	_, err = buffer.ReadFullFrom(c.ExtendedConn, int(length))
-	if err != nil {
-		return
-	}
-	return
-}
-
-func (c *ServerPacketAddrConn) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
-	pLen := buffer.Len()
-	common.Must(binary.Write(buf.With(buffer.ExtendHeader(2)), binary.BigEndian, uint16(pLen)))
-	common.Must(M.SocksaddrSerializer.WriteAddrPort(buf.With(buffer.ExtendHeader(M.SocksaddrSerializer.AddrPortLen(destination))), destination))
-	if !c.responseWrite {
-		buffer.ExtendHeader(1)[0] = statusSuccess
-		c.responseWrite = true
-	}
-	return c.ExtendedConn.WriteBuffer(buffer)
-}
-
-func (c *ServerPacketAddrConn) NeedAdditionalReadDeadline() bool {
-	return true
-}
-
-func (c *ServerPacketAddrConn) Upstream() any {
-	return c.ExtendedConn
-}
-
-func (c *ServerPacketAddrConn) FrontHeadroom() int {
-	if !c.responseWrite {
-		return 3 + M.MaxSocksaddrLength
-	}
-	return 2 + M.MaxSocksaddrLength
-}

common/mux/session.go

@@ -1,91 +0,0 @@
-package mux
-
-import (
-	"io"
-	"net"
-
-	"github.com/sagernet/sing/common"
-	"github.com/sagernet/sing/common/buf"
-	"github.com/sagernet/sing/common/bufio"
-	N "github.com/sagernet/sing/common/network"
-	"github.com/sagernet/smux"
-)
-
-type abstractSession interface {
-	Open() (net.Conn, error)
-	Accept() (net.Conn, error)
-	NumStreams() int
-	Close() error
-	IsClosed() bool
-}
-
-var _ abstractSession = (*smuxSession)(nil)
-
-type smuxSession struct {
-	*smux.Session
-}
-
-func (s *smuxSession) Open() (net.Conn, error) {
-	return s.OpenStream()
-}
-
-func (s *smuxSession) Accept() (net.Conn, error) {
-	return s.AcceptStream()
-}
-
-type protocolConn struct {
-	net.Conn
-	protocol        Protocol
-	protocolWritten bool
-}
-
-func (c *protocolConn) Write(p []byte) (n int, err error) {
-	if c.protocolWritten {
-		return c.Conn.Write(p)
-	}
-	_buffer := buf.StackNewSize(2 + len(p))
-	defer common.KeepAlive(_buffer)
-	buffer := common.Dup(_buffer)
-	defer buffer.Release()
-	EncodeRequest(buffer, Request{
-		Protocol: c.protocol,
-	})
-	common.Must(common.Error(buffer.Write(p)))
-	n, err = c.Conn.Write(buffer.Bytes())
-	if err == nil {
-		n--
-	}
-	c.protocolWritten = true
-	return n, err
-}
-
-func (c *protocolConn) ReadFrom(r io.Reader) (n int64, err error) {
-	if !c.protocolWritten {
-		return bufio.ReadFrom0(c, r)
-	}
-	return bufio.Copy(c.Conn, r)
-}
-
-func (c *protocolConn) Upstream() any {
-	return c.Conn
-}
-
-type vectorisedProtocolConn struct {
-	protocolConn
-	N.VectorisedWriter
-}
-
-func (c *vectorisedProtocolConn) WriteVectorised(buffers []*buf.Buffer) error {
-	if c.protocolWritten {
-		return c.VectorisedWriter.WriteVectorised(buffers)
-	}
-	c.protocolWritten = true
-	_buffer := buf.StackNewSize(2)
-	defer common.KeepAlive(_buffer)
-	buffer := common.Dup(_buffer)
-	defer buffer.Release()
-	EncodeRequest(buffer, Request{
-		Protocol: c.protocol,
-	})
-	return c.VectorisedWriter.WriteVectorised(append([]*buf.Buffer{buffer}, buffers...))
-}

common/tls/reality_client.go

@@ -135,7 +135,7 @@ func (e *RealityClientConfig) ClientHandshake(ctx context.Context, conn net.Conn
 
 	hello.SessionId[0] = 1
 	hello.SessionId[1] = 8
-	hello.SessionId[2] = 0
+	hello.SessionId[2] = 1
 	binary.BigEndian.PutUint32(hello.SessionId[4:], uint32(time.Now().Unix()))
 	copy(hello.SessionId[8:], e.shortID[:])
 

common/urltest/urltest.go

@@ -50,6 +50,9 @@ func (s *HistoryStorage) StoreURLTestHistory(tag string, history *History) {
 }
 
 func URLTest(ctx context.Context, link string, detour N.Dialer) (t uint16, err error) {
+	if link == "" {
+		link = "https://www.gstatic.com/generate_204"
+	}
 	linkURL, err := url.Parse(link)
 	if err != nil {
 		return

constant/path.go

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

debug_go118.go

@@ -10,6 +10,7 @@ import (
 )
 
 func applyDebugOptions(options option.DebugOptions) {
+	applyDebugListenOption(options)
 	if options.GCPercent != nil {
 		debug.SetGCPercent(*options.GCPercent)
 	}

debug_go119.go

@@ -10,6 +10,7 @@ import (
 )
 
 func applyDebugOptions(options option.DebugOptions) {
+	applyDebugListenOption(options)
 	if options.GCPercent != nil {
 		debug.SetGCPercent(*options.GCPercent)
 	}

debug_http.go

@@ -0,0 +1,67 @@
+package box
+
+import (
+	"net/http"
+	"net/http/pprof"
+	"runtime"
+	"runtime/debug"
+
+	"github.com/sagernet/sing-box/common/badjson"
+	"github.com/sagernet/sing-box/common/json"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+
+	"github.com/dustin/go-humanize"
+	"github.com/go-chi/chi/v5"
+)
+
+var debugHTTPServer *http.Server
+
+func applyDebugListenOption(options option.DebugOptions) {
+	if debugHTTPServer != nil {
+		debugHTTPServer.Close()
+		debugHTTPServer = nil
+	}
+	if options.Listen == "" {
+		return
+	}
+	r := chi.NewMux()
+	r.Route("/debug", func(r chi.Router) {
+		r.Get("/gc", func(writer http.ResponseWriter, request *http.Request) {
+			writer.WriteHeader(http.StatusNoContent)
+			go debug.FreeOSMemory()
+		})
+		r.Get("/memory", func(writer http.ResponseWriter, request *http.Request) {
+			var memStats runtime.MemStats
+			runtime.ReadMemStats(&memStats)
+
+			var memObject badjson.JSONObject
+			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())
+
+			encoder := json.NewEncoder(writer)
+			encoder.SetIndent("", "  ")
+			encoder.Encode(memObject)
+		})
+		r.HandleFunc("/pprof", pprof.Index)
+		r.HandleFunc("/pprof/*", pprof.Index)
+		r.HandleFunc("/pprof/cmdline", pprof.Cmdline)
+		r.HandleFunc("/pprof/profile", pprof.Profile)
+		r.HandleFunc("/pprof/symbol", pprof.Symbol)
+		r.HandleFunc("/pprof/trace", pprof.Trace)
+	})
+	debugHTTPServer = &http.Server{
+		Addr:    options.Listen,
+		Handler: r,
+	}
+	go func() {
+		err := debugHTTPServer.ListenAndServe()
+		if err != nil && !E.IsClosed(err) {
+			log.Error(E.Cause(err, "serve debug HTTP server"))
+		}
+	}()
+}

debug_linux.go

@@ -1,6 +1,4 @@
-//go:build debug
+package box
-
-package main
 
 import (
 	"runtime"

debug_stub.go

@@ -1,6 +1,6 @@
-//go:build debug && !linux
+//go:build !linux
 
-package main
+package box
 
 func rusageMaxRSS() float64 {
 	return -1

docs/changelog.md

@@ -1,11 +1,170 @@
-#### 1.2.7
+#### 1.3.0
 
 * Fix bugs and update dependencies
 
+Important changes since 1.2:
+
+* Add [FakeIP](/configuration/dns/fakeip) support **1**
+* Improve multiplex **2**
+* Add [DNS reverse mapping](/configuration/dns#reverse_mapping) support
+* Add `rewrite_ttl` DNS rule action
+* Add `store_fakeip` Clash API option
+* Add multi-peer support for [WireGuard](/configuration/outbound/wireguard#peers) outbound
+* Add loopback detect
+* Add Clash.Meta API compatibility for Clash API
+* Download Yacd-meta by default if the specified Clash `external_ui` directory is empty
+* Add path and headers option for HTTP outbound
+* Perform URLTest recheck after network changes
+* Fix `system` tun stack for ios
+* Fix network monitor for android/ios
+* Update VLESS and XUDP protocol
+* Make splice work with traffic statistics systems like Clash API
+* Significantly reduces memory usage of idle connections
+* Improve DNS caching
+* Add `independent_cache` [option](/configuration/dns#independent_cache) for DNS
+* Reimplemented shadowsocks client
+* Add multiplex support for VLESS outbound
+* Automatically add Windows firewall rules in order for the system tun stack to work
+* Fix TLS 1.2 support for shadow-tls client
+* Add `cache_id` [option](/configuration/experimental#cache_id) for Clash cache file
+* Fix `local` DNS transport for Android
+
+*1*:
+
+See [FAQ](/faq/fakeip) for more information.
+
+*2*:
+
+Added new `h2mux` multiplex protocol and `padding` multiplex option, see [Multiplex](/configuration/shared/multiplex).
+
+#### 1.3-rc2
+
+* Fix `local` DNS transport for Android
+* Fix bugs and update dependencies
+
+#### 1.3-rc1
+
+* Fix bugs and update dependencies
+
+#### 1.3-beta14
+
+* Fixes and improvements
+
+#### 1.3-beta13
+
+* Fix resolving fakeip domains  **1**
+* Deprecate L3 routing
+* Fix bugs and update dependencies
+
+**1**:
+
+If the destination address of the connection is obtained from fakeip, dns rules with server type fakeip will be skipped.
+
+#### 1.3-beta12
+
+* Automatically add Windows firewall rules in order for the system tun stack to work
+* Fix TLS 1.2 support for shadow-tls client
+* Add `cache_id` [option](/configuration/experimental#cache_id) for Clash cache file
+* Fixes and improvements
+
+#### 1.3-beta11
+
+* Fix bugs and update dependencies
+
+#### 1.3-beta10
+
+* Improve direct copy **1**
+* Improve DNS caching
+* Add `independent_cache` [option](/configuration/dns#independent_cache) for DNS
+* Reimplemented shadowsocks client **2**
+* Add multiplex support for VLESS outbound
+* Set TCP keepalive for WireGuard gVisor TCP connections
+* Fixes and improvements
+
+**1**:
+
+* Make splice work with traffic statistics systems like Clash API
+* Significantly reduces memory usage of idle connections
+
+**2**:
+
+Improved performance and reduced memory usage.
+
+#### 1.3-beta9
+
+* Improve multiplex **1**
+* Fixes and improvements
+
+*1*:
+
+Added new `h2mux` multiplex protocol and `padding` multiplex option, see [Multiplex](/configuration/shared/multiplex).
+
 #### 1.2.6
 
 * Fix bugs and update dependencies
 
+#### 1.3-beta8
+
+* Fix `system` tun stack for ios
+* Fix network monitor for android/ios
+* Update VLESS and XUDP protocol **1**
+* Fixes and improvements
+
+*1:
+
+This is an incompatible update for XUDP in VLESS if vision flow is enabled.
+
+#### 1.3-beta7
+
+* Add `path` and `headers` options for HTTP outbound
+* Add multi-user support for Shadowsocks legacy AEAD inbound
+* Fixes and improvements
+
+#### 1.2.4
+
+* Fixes and improvements
+
+#### 1.3-beta6
+
+* Fix WireGuard reconnect
+* Perform URLTest recheck after network changes
+* Fix bugs and update dependencies
+
+#### 1.3-beta5
+
+* Add Clash.Meta API compatibility for Clash API
+* Download Yacd-meta by default if the specified Clash `external_ui` directory is empty
+* Add path and headers option for HTTP outbound
+* Fixes and improvements
+
+#### 1.3-beta4
+
+* Fix bugs
+
+#### 1.3-beta2
+
+* Download clash-dashboard if the specified Clash `external_ui` directory is empty
+* Fix bugs and update dependencies
+
+#### 1.3-beta1
+
+* Add [DNS reverse mapping](/configuration/dns#reverse_mapping) support
+* Add [L3 routing](/configuration/route/ip-rule) support **1**
+* Add `rewrite_ttl` DNS rule action
+* Add [FakeIP](/configuration/dns/fakeip) support **2**
+* Add `store_fakeip` Clash API option
+* Add multi-peer support for [WireGuard](/configuration/outbound/wireguard#peers) outbound
+* Add loopback detect
+
+*1*:
+
+It can currently be used to [route connections directly to WireGuard](/examples/wireguard-direct) or block connections
+at the IP layer.
+
+*2*:
+
+See [FAQ](/faq/fakeip) for more information.
+
 #### 1.2.3
 
 * Introducing our [new Android client application](/installation/clients/sfa)

docs/configuration/dns/fakeip.md

@@ -0,0 +1,25 @@
+# FakeIP
+
+### Structure
+
+```json
+{
+  "enabled": true,
+  "inet4_range": "198.18.0.0/15",
+  "inet6_range": "fc00::/18"
+}
+```
+
+### Fields
+
+#### enabled
+
+Enable FakeIP service.
+
+#### inet4_range
+
+IPv4 address range for FakeIP.
+
+#### inet6_address
+
+IPv6 address range for FakeIP.

docs/configuration/dns/fakeip.zh.md

@@ -0,0 +1,25 @@
+# FakeIP
+
+### 结构
+
+```json
+{
+  "enabled": true,
+  "inet4_range": "198.18.0.0/15",
+  "inet6_range": "fc00::/18"
+}
+```
+
+### 字段
+
+#### enabled
+
+启用 FakeIP 服务。
+
+#### inet4_range
+
+用于 FakeIP 的 IPv4 地址范围。
+
+#### inet6_range
+
+用于 FakeIP 的 IPv6 地址范围。

docs/configuration/dns/index.md

@@ -10,7 +10,10 @@
     "final": "",
     "strategy": "",
     "disable_cache": false,
-    "disable_expire": false
+    "disable_expire": false,
+    "independent_cache": false,
+    "reverse_mapping": false,
+    "fakeip": {}
   }
 }
 
@@ -22,6 +25,7 @@
 |----------|--------------------------------|
 | `server` | List of [DNS Server](./server) |
 | `rules`  | List of [DNS Rule](./rule)     |
+| `fakeip` | [FakeIP](./fakeip)             |
 
 #### final
 
@@ -43,4 +47,19 @@ Disable dns cache.
 
 #### disable_expire
 
-Disable dns cache expire.
+Disable dns cache expire.
+
+#### independent_cache
+
+Make each DNS server's cache independent for special purposes. If enabled, will slightly degrade performance.
+
+#### reverse_mapping
+
+Stores a reverse mapping of IP addresses after responding to a DNS query in order to provide domain names when routing.
+
+Since this process relies on the act of resolving domain names by an application before making a request, it can be
+problematic in environments such as macOS, where DNS is proxied and cached by the system.
+
+#### fakeip
+
+[FakeIP](./fakeip) settings.

docs/configuration/dns/index.zh.md

@@ -10,7 +10,10 @@
     "final": "",
     "strategy": "",
     "disable_cache": false,
-    "disable_expire": false
+    "disable_expire": false,
+    "independent_cache": false,
+    "reverse_mapping": false,
+    "fakeip": {}
   }
 }
 
@@ -43,4 +46,18 @@
 
 #### disable_expire
 
-禁用 DNS 缓存过期。
+禁用 DNS 缓存过期。
+
+#### independent_cache
+
+使每个 DNS 服务器的缓存独立，以满足特殊目的。如果启用，将轻微降低性能。
+
+#### reverse_mapping
+
+在响应 DNS 查询后存储 IP 地址的反向映射以为路由目的提供域名。
+
+由于此过程依赖于应用程序在发出请求之前解析域名的行为，因此在 macOS 等 DNS 由系统代理和缓存的环境中可能会出现问题。
+
+#### fakeip
+
+[FakeIP](./fakeip) 设置。

docs/configuration/dns/rule.md

@@ -84,14 +84,16 @@
           "direct"
         ],
         "server": "local",
-        "disable_cache": false
+        "disable_cache": false,
+        "rewrite_ttl": 100
       },
       {
         "type": "logical",
         "mode": "and",
         "rules": [],
         "server": "local",
-        "disable_cache": false
+        "disable_cache": false,
+        "rewrite_ttl": 100
       }
     ]
   }
@@ -244,6 +246,10 @@ Tag of the target dns server.
 
 Disable cache and save cache in this query.
 
+#### rewrite_ttl
+
+Rewrite TTL in DNS responses.
+
 ### Logical Fields
 
 #### type

docs/configuration/dns/rule.zh.md

@@ -243,6 +243,10 @@ DNS 查询类型。值可以为整数或者类型名称字符串。
 
 在此查询中禁用缓存。
 
+#### rewrite_ttl
+
+重写 DNS 回应中的 TTL。
+
 ### 逻辑字段
 
 #### type

docs/configuration/dns/server.md

@@ -30,17 +30,18 @@ The tag of the dns server.
 
 The address of the dns server.
 
-| Protocol | Format                        |
+| Protocol                            | Format                        |
-|----------|-------------------------------|
+|-------------------------------------|-------------------------------|
-| `System` | `local`                       |
+| `System`                            | `local`                       |
-| `TCP`    | `tcp://1.0.0.1`               |
+| `TCP`                               | `tcp://1.0.0.1`               |
-| `UDP`    | `8.8.8.8` `udp://8.8.4.4`     |
+| `UDP`                               | `8.8.8.8` `udp://8.8.4.4`     |
-| `TLS`    | `tls://dns.google`            |
+| `TLS`                               | `tls://dns.google`            |
-| `HTTPS`  | `https://1.1.1.1/dns-query`   |
+| `HTTPS`                             | `https://1.1.1.1/dns-query`   |
-| `QUIC`   | `quic://dns.adguard.com`      |
+| `QUIC`                              | `quic://dns.adguard.com`      |
-| `HTTP3`  | `h3://8.8.8.8/dns-query`      |
+| `HTTP3`                             | `h3://8.8.8.8/dns-query`      |
-| `RCode`  | `rcode://refused`             |
+| `RCode`                             | `rcode://refused`             |
-| `DHCP`   | `dhcp://auto` or `dhcp://en0` |
+| `DHCP`                              | `dhcp://auto` or `dhcp://en0` |
+| [FakeIP](/configuration/dns/fakeip) | `fakeip`                      |
 
 !!! warning ""
 
@@ -93,4 +94,4 @@ Take no effect if override by other settings.
 
 Tag of an outbound for connecting to the dns server.
 
-Default outbound will be used if empty.
+Default outbound will be used if empty.

docs/configuration/dns/server.zh.md

@@ -30,17 +30,18 @@ DNS 服务器的标签。
 
 DNS 服务器的地址。
 
-| 协议       | 格式                           |
+| 协议                                  | 格式                           |
-|----------|------------------------------|
+|-------------------------------------|------------------------------|
-| `System` | `local`                      |
+| `System`                            | `local`                      |
-| `TCP`    | `tcp://1.0.0.1`              |
+| `TCP`                               | `tcp://1.0.0.1`              |
-| `UDP`    | `8.8.8.8` `udp://8.8.4.4`    |
+| `UDP`                               | `8.8.8.8` `udp://8.8.4.4`    |
-| `TLS`    | `tls://dns.google`           |
+| `TLS`                               | `tls://dns.google`           |
-| `HTTPS`  | `https://1.1.1.1/dns-query`  |
+| `HTTPS`                             | `https://1.1.1.1/dns-query`  |
-| `QUIC`   | `quic://dns.adguard.com`     |
+| `QUIC`                              | `quic://dns.adguard.com`     |
-| `HTTP3`  | `h3://8.8.8.8/dns-query`     |
+| `HTTP3`                             | `h3://8.8.8.8/dns-query`     |
-| `RCode`  | `rcode://refused`            |
+| `RCode`                             | `rcode://refused`            |
-| `DHCP`   | `dhcp://auto` 或 `dhcp://en0` |
+| `DHCP`                              | `dhcp://auto` 或 `dhcp://en0` |
+| [FakeIP](/configuration/dns/fakeip) | `fakeip`                     |
 
 !!! warning ""
 

docs/configuration/experimental/index.md

@@ -7,11 +7,14 @@
   "experimental": {
     "clash_api": {
       "external_controller": "127.0.0.1:9090",
-      "external_ui": "folder",
+      "external_ui": "",
+      "external_ui_download_url": "",
+      "external_ui_download_detour": "",
       "secret": "",
-      "default_mode": "rule",
+      "default_mode": "",
       "store_selected": false,
-      "cache_file": "cache.db"
+      "cache_file": "",
+      "cache_id": ""
     },
     "v2ray_api": {
       "listen": "127.0.0.1:8080",
@@ -53,6 +56,18 @@ A relative path to the configuration directory or an absolute path to a
 directory in which you put some static web resource. sing-box will then
 serve it at `http://{{external-controller}}/ui`.
 
+#### external_ui_download_url
+
+ZIP download URL for the external UI, will be used if the specified `external_ui` directory is empty.
+
+`https://github.com/MetaCubeX/Yacd-meta/archive/gh-pages.zip` will be used if empty.
+
+#### external_ui_download_detour
+
+The tag of the outbound to download the external UI.
+
+Default outbound will be used if empty.
+
 #### secret
 
 Secret for the RESTful API (optional)
@@ -77,6 +92,12 @@ Store selected outbound for the `Selector` outbound in cache file.
 
 Cache file path, `cache.db` will be used if empty.
 
+#### cache_id
+
+Cache ID.
+
+If not empty, `store_selected` will use a separate store keyed by it.
+
 ### V2Ray API Fields
 
 !!! error ""

docs/configuration/experimental/index.zh.md

@@ -7,11 +7,14 @@
   "experimental": {
     "clash_api": {
       "external_controller": "127.0.0.1:9090",
-      "external_ui": "folder",
+      "external_ui": "",
+      "external_ui_download_url": "",
+      "external_ui_download_detour": "",
       "secret": "",
-      "default_mode": "rule",
+      "default_mode": "",
       "store_selected": false,
-      "cache_file": "cache.db"
+      "cache_file": "",
+      "cache_id": ""
     },
     "v2ray_api": {
       "listen": "127.0.0.1:8080",
@@ -51,6 +54,18 @@ RESTful web API 监听地址。如果为空，则禁用 Clash API。
 
 到静态网页资源目录的相对路径或绝对路径。sing-box 会在 `http://{{external-controller}}/ui` 下提供它。
 
+#### external_ui_download_url
+
+静态网页资源的 ZIP 下载 URL，如果指定的 `external_ui` 目录为空，将使用。
+
+默认使用 `https://github.com/MetaCubeX/Yacd-meta/archive/gh-pages.zip`。
+
+#### external_ui_download_detour
+
+用于下载静态网页资源的出站的标签。
+
+如果为空，将使用默认出站。
+
 #### secret
 
 RESTful API 的密钥（可选）
@@ -75,6 +90,12 @@ Clash 中的默认模式，默认使用 `rule`。
 
 缓存文件路径，默认使用`cache.db`。
 
+#### cache_id
+
+缓存 ID。
+
+如果不为空，`store_selected` 将会使用以此为键的独立存储。
+
 ### V2Ray API 字段
 
 !!! error ""

docs/configuration/outbound/http.md

@@ -11,6 +11,8 @@
   "server_port": 1080,
   "username": "sekai",
   "password": "admin",
+  "path": "",
+  "headers": {},
   "tls": {},
   
   ... // Dial Fields
@@ -39,6 +41,14 @@ Basic authorization username.
 
 Basic authorization password.
 
+#### path
+
+Path of HTTP request.
+
+#### headers
+
+Extra headers of HTTP request.
+
 #### tls
 
 TLS configuration, see [TLS](/configuration/shared/tls/#outbound).

docs/configuration/outbound/http.zh.md

@@ -11,6 +11,8 @@
   "server_port": 1080,
   "username": "sekai",
   "password": "admin",
+  "path": "",
+  "headers": {},
   "tls": {},
 
   ... // 拨号字段
@@ -39,6 +41,14 @@ Basic 认证用户名。
 
 Basic 认证密码。
 
+#### path
+
+HTTP 请求路径。
+
+#### headers
+
+HTTP 请求的额外标头。
+
 #### tls
 
 TLS 配置, 参阅 [TLS](/zh/configuration/shared/tls/#outbound)。

docs/configuration/outbound/index.md

@@ -37,4 +37,10 @@
 
 #### tag
 
-The tag of the outbound.
+The tag of the outbound.
+
+### Features
+
+#### Outbounds that support IP connection
+
+* `WireGuard`

docs/configuration/outbound/index.zh.md

@@ -36,4 +36,10 @@
 
 #### tag
 
-出站的标签。
+出站的标签。
+
+### 特性
+
+#### 支持 IP 连接的出站
+
+* `WireGuard`

docs/configuration/outbound/urltest.md

@@ -10,7 +10,7 @@
     "proxy-b",
     "proxy-c"
   ],
-  "url": "http://www.gstatic.com/generate_204",
+  "url": "https://www.gstatic.com/generate_204",
   "interval": "1m",
   "tolerance": 50
 }
@@ -26,7 +26,7 @@ List of outbound tags to test.
 
 #### url
 
-The URL to test. `http://www.gstatic.com/generate_204` will be used if empty.
+The URL to test. `https://www.gstatic.com/generate_204` will be used if empty.
 
 #### interval
 

docs/configuration/outbound/urltest.zh.md

@@ -10,7 +10,7 @@
     "proxy-b",
     "proxy-c"
   ],
-  "url": "http://www.gstatic.com/generate_204",
+  "url": "https://www.gstatic.com/generate_204",
   "interval": "1m",
   "tolerance": 50
 }
@@ -26,7 +26,7 @@
 
 #### url
 
-用于测试的链接。默认使用 `http://www.gstatic.com/generate_204`。
+用于测试的链接。默认使用 `https://www.gstatic.com/generate_204`。
 
 #### interval
 

docs/configuration/outbound/wireguard.md

@@ -13,6 +13,18 @@
     "10.0.0.2/32"
   ],
   "private_key": "YNXtAzepDqRv9H52osJVDQnznT5AM11eCK3ESpwSt04=",
+  "peers": [
+    {
+      "server": "127.0.0.1",
+      "server_port": 1080,
+      "public_key": "Z1XXLsKYkYxuiYjJIkRvtIKFepCYHTgON+GwPq7SOV4=",
+      "pre_shared_key": "31aIhAPwktDGpH4JDhA8GNvjFXEf/a6+UaQRyOAiyfM=",
+      "allowed_ips": [
+        "0.0.0.0/0"
+      ],
+      "reserved": [0, 0, 0]
+    }
+  ],
   "peer_public_key": "Z1XXLsKYkYxuiYjJIkRvtIKFepCYHTgON+GwPq7SOV4=",
   "pre_shared_key": "31aIhAPwktDGpH4JDhA8GNvjFXEf/a6+UaQRyOAiyfM=",
   "reserved": [0, 0, 0],
@@ -36,13 +48,13 @@
 
 #### server
 
-==Required==
+==Required if multi-peer disabled==
 
 The server address.
 
 #### server_port
 
-==Required==
+==Required if multi-peer disabled==
 
 The server port.
 
@@ -75,9 +87,25 @@ wg genkey
 echo "private key" || wg pubkey
 ```
 
+#### peers
+
+Multi-peer support. 
+
+If enabled, `server, server_port, peer_public_key, pre_shared_key` will be ignored.
+
+#### peers.allowed_ips
+
+WireGuard allowed IPs.
+
+#### peers.reserved
+
+WireGuard reserved field bytes.
+
+`$outbound.reserved` will be used if empty.
+
 #### peer_public_key
 
-==Required==
+==Required if multi-peer disabled==
 
 WireGuard peer public key.
 

docs/configuration/route/index.md

@@ -19,11 +19,11 @@
 
 ### Fields
 
-| Key       | Format                       |
+| Key        | Format                             |
-|-----------|------------------------------|
+|------------|------------------------------------|
-| `geoip`   | [GeoIP](./geoip)             |
+| `geoip`    | [GeoIP](./geoip)                   |
-| `geosite` | [Geosite](./geosite)         |
+| `geosite`  | [Geosite](./geosite)               |
-| `rules`   | List of [Route Rule](./rule) |
+| `rules`    | List of [Route Rule](./rule)       |
 
 #### final
 

docs/configuration/route/index.zh.md

@@ -7,6 +7,7 @@
   "route": {
     "geoip": {},
     "geosite": {},
+    "ip_rules": [],
     "rules": [],
     "final": "",
     "auto_detect_interface": false,
@@ -19,11 +20,12 @@
 
 ### 字段
 
-| 键         | 格式                   |
+| 键          | 格式                      |
-|-----------|----------------------|
+|------------|-------------------------|
-| `geoip`   | [GeoIP](./geoip)     |
+| `geoip`    | [GeoIP](./geoip)        |
-| `geosite` | [GeoSite](./geosite) |
+| `geosite`  | [GeoSite](./geosite)    |
-| `rules`   | 一组 [路由规则](./rule)    |
+| `ip_rules` | 一组 [IP 路由规则](./ip-rule) |
+| `rules`    | 一组 [路由规则](./rule)       |
 
 #### final
 
@@ -65,4 +67,4 @@
 
 默认为出站连接设置路由标记。
 
-如果设置了 `outbound.routing_mark` 设置，则不生效。
+如果设置了 `outbound.routing_mark` 设置，则不生效。

docs/configuration/route/ip-rule.md

@@ -0,0 +1,205 @@
+### Structure
+
+```json
+{
+  "route": {
+    "ip_rules": [
+      {
+        "inbound": [
+          "mixed-in"
+        ],
+        "ip_version": 6,
+        "network": [
+          "tcp"
+        ],
+        "domain": [
+          "test.com"
+        ],
+        "domain_suffix": [
+          ".cn"
+        ],
+        "domain_keyword": [
+          "test"
+        ],
+        "domain_regex": [
+          "^stun\\..+"
+        ],
+        "geosite": [
+          "cn"
+        ],
+        "source_geoip": [
+          "private"
+        ],
+        "geoip": [
+          "cn"
+        ],
+        "source_ip_cidr": [
+          "10.0.0.0/24",
+          "192.168.0.1"
+        ],
+        "ip_cidr": [
+          "10.0.0.0/24",
+          "192.168.0.1"
+        ],
+        "source_port": [
+          12345
+        ],
+        "source_port_range": [
+          "1000:2000",
+          ":3000",
+          "4000:"
+        ],
+        "port": [
+          80,
+          443
+        ],
+        "port_range": [
+          "1000:2000",
+          ":3000",
+          "4000:"
+        ],
+        "invert": false,
+        "action": "direct",
+        "outbound": "wireguard"
+      },
+      {
+        "type": "logical",
+        "mode": "and",
+        "rules": [],
+        "invert": false,
+        "action": "direct",
+        "outbound": "wireguard"
+      }
+    ]
+  }
+}
+
+```
+
+!!! note ""
+
+    You can ignore the JSON Array [] tag when the content is only one item
+
+### Default Fields
+
+!!! note ""
+
+    The default rule uses the following matching logic:  
+    (`domain` || `domain_suffix` || `domain_keyword` || `domain_regex` || `geosite` || `geoip` || `ip_cidr`) &&  
+    (`port` || `port_range`) &&  
+    (`source_geoip` || `source_ip_cidr`) &&  
+    (`source_port` || `source_port_range`) &&  
+    `other fields`
+
+#### inbound
+
+Tags of [Inbound](/configuration/inbound).
+
+#### ip_version
+
+4 or 6.
+
+Not limited if empty.
+
+#### network
+
+Match network protocol.
+
+Available values:
+
+* `tcp`
+* `udp`
+* `icmpv4`
+* `icmpv6`
+
+#### domain
+
+Match full domain.
+
+#### domain_suffix
+
+Match domain suffix.
+
+#### domain_keyword
+
+Match domain using keyword.
+
+#### domain_regex
+
+Match domain using regular expression.
+
+#### geosite
+
+Match geosite.
+
+#### source_geoip
+
+Match source geoip.
+
+#### geoip
+
+Match geoip.
+
+#### source_ip_cidr
+
+Match source ip cidr.
+
+#### ip_cidr
+
+Match ip cidr.
+
+#### source_port
+
+Match source port.
+
+#### source_port_range
+
+Match source port range.
+
+#### port
+
+Match port.
+
+#### port_range
+
+Match port range.
+
+#### invert
+
+Invert match result.
+
+#### action
+
+==Required==
+
+| Action | Description                                                        |
+|--------|--------------------------------------------------------------------|
+| return | Stop IP routing and assemble the connection to the transport layer |
+| block  | Block the connection                                               |
+| direct | Directly forward the connection                                    |
+
+#### outbound
+
+==Required if action is direct==
+
+Tag of the target outbound.
+
+Only outbound which supports IP connection can be used, see [Outbounds that support IP connection](/configuration/outbound/#outbounds-that-support-ip-connection).
+
+### Logical Fields
+
+#### type
+
+`logical`
+
+#### mode
+
+==Required==
+
+`and` or `or`
+
+#### rules
+
+==Required==
+
+Included default rules.

docs/configuration/route/ip-rule.zh.md

@@ -0,0 +1,204 @@
+### 结构
+
+```json
+{
+  "route": {
+    "ip_rules": [
+      {
+        "inbound": [
+          "mixed-in"
+        ],
+        "ip_version": 6,
+        "network": [
+          "tcp"
+        ],
+        "domain": [
+          "test.com"
+        ],
+        "domain_suffix": [
+          ".cn"
+        ],
+        "domain_keyword": [
+          "test"
+        ],
+        "domain_regex": [
+          "^stun\\..+"
+        ],
+        "geosite": [
+          "cn"
+        ],
+        "source_geoip": [
+          "private"
+        ],
+        "geoip": [
+          "cn"
+        ],
+        "source_ip_cidr": [
+          "10.0.0.0/24",
+          "192.168.0.1"
+        ],
+        "ip_cidr": [
+          "10.0.0.0/24",
+          "192.168.0.1"
+        ],
+        "source_port": [
+          12345
+        ],
+        "source_port_range": [
+          "1000:2000",
+          ":3000",
+          "4000:"
+        ],
+        "port": [
+          80,
+          443
+        ],
+        "port_range": [
+          "1000:2000",
+          ":3000",
+          "4000:"
+        ],
+        "invert": false,
+        "action": "direct",
+        "outbound": "wireguard"
+      },
+      {
+        "type": "logical",
+        "mode": "and",
+        "rules": [],
+        "invert": false,
+        "action": "direct",
+        "outbound": "wireguard"
+      }
+    ]
+  }
+}
+
+```
+
+!!! note ""
+
+    当内容只有一项时，可以忽略 JSON 数组 [] 标签。
+
+### Default Fields
+
+!!! note ""
+
+    默认规则使用以下匹配逻辑:  
+    (`domain` || `domain_suffix` || `domain_keyword` || `domain_regex` || `geosite` || `geoip` || `ip_cidr`) &&  
+    (`port` || `port_range`) &&  
+    (`source_geoip` || `source_ip_cidr`) &&  
+    (`source_port` || `source_port_range`) &&  
+    `other fields`
+
+#### inbound
+
+[入站](/zh/configuration/inbound) 标签。
+
+#### ip_version
+
+4 或 6。
+
+默认不限制。
+
+#### network
+
+匹配网络协议。
+
+可用值：
+
+* `tcp`
+* `udp`
+* `icmpv4`
+* `icmpv6`
+
+#### domain
+
+匹配完整域名。
+
+#### domain_suffix
+
+匹配域名后缀。
+
+#### domain_keyword
+
+匹配域名关键字。
+
+#### domain_regex
+
+匹配域名正则表达式。
+
+#### geosite
+
+匹配 GeoSite。
+
+#### source_geoip
+
+匹配源 GeoIP。
+
+#### geoip
+
+匹配 GeoIP。
+
+#### source_ip_cidr
+
+匹配源 IP CIDR。
+
+#### ip_cidr
+
+匹配 IP CIDR。
+
+#### source_port
+
+匹配源端口。
+
+#### source_port_range
+
+匹配源端口范围。
+
+#### port
+
+匹配端口。
+
+#### port_range
+
+匹配端口范围。
+
+#### invert
+
+反选匹配结果。
+
+#### action
+
+==必填==
+
+| Action | 描述                  |
+|--------|---------------------|
+| return | 停止 IP 路由并将该连接组装到传输层 |
+| block  | 屏蔽该连接               |
+| direct | 直接转发该连接             |
+
+
+#### outbound
+
+==action 为 direct 则必填==
+
+目标出站的标签。
+
+### 逻辑字段
+
+#### type
+
+`logical`
+
+#### mode
+
+==必填==
+
+`and` 或 `or`
+
+#### rules
+
+==必填==
+
+包括的默认规则。

docs/configuration/route/rule.md

@@ -9,7 +9,9 @@
           "mixed-in"
         ],
         "ip_version": 6,
-        "network": "tcp",
+        "network": [
+          "tcp"
+        ],
         "auth_user": [
           "usera",
           "userb"
@@ -244,18 +246,12 @@ Tag of the target outbound.
 
 #### mode
 
+==Required==
+
 `and` or `or`
 
 #### rules
 
-Included default rules.
-
-#### invert
-
-Invert match result.
-
-#### outbound
-
 ==Required==
 
-Tag of the target outbound.
+Included default rules.

docs/configuration/route/rule.zh.md

@@ -9,7 +9,9 @@
           "mixed-in"
         ],
         "ip_version": 6,
-        "network": "tcp",
+        "network": [
+          "tcp"
+        ],
         "auth_user": [
           "usera",
           "userb"
@@ -242,18 +244,12 @@
 
 #### mode
 
+==必填==
+
 `and` 或 `or`
 
 #### rules
 
-包括的默认规则。
-
-#### invert
-
-反选匹配结果。
-
-#### outbound
-
 ==必填==
 
-目标出站的标签。
+包括的默认规则。

docs/configuration/shared/multiplex.md

@@ -10,7 +10,8 @@
   "protocol": "smux",
   "max_connections": 4,
   "min_streams": 4,
-  "max_streams": 0
+  "max_streams": 0,
+  "padding": false
 }
 ```
 
@@ -28,8 +29,9 @@ Multiplex protocol.
 |----------|------------------------------------|
 | smux     | https://github.com/xtaci/smux      |
 | yamux    | https://github.com/hashicorp/yamux |
+| h2mux    | https://golang.org/x/net/http2     |
 
-SMux is used by default.
+h2mux is used by default.
 
 #### max_connections
 
@@ -48,3 +50,12 @@ Conflict with `max_streams`.
 Maximum multiplexed streams in a connection before opening a new connection.
 
 Conflict with `max_connections` and `min_streams`.
+
+#### padding
+
+!!! info
+
+    Requires sing-box server version 1.3-beta9 or later.
+
+Enable padding.
+

docs/configuration/shared/multiplex.zh.md

@@ -28,8 +28,9 @@
 |-------|------------------------------------|
 | smux  | https://github.com/xtaci/smux      |
 | yamux | https://github.com/hashicorp/yamux |
+| h2mux | https://golang.org/x/net/http2     |
 
-默认使用 SMux。
+默认使用 h2mux。
 
 #### max_connections
 
@@ -47,4 +48,13 @@
 
 在打开新连接之前，连接中的最大多路复用流数量。
 
-与 `max_connections` 和 `min_streams` 冲突。
+与 `max_connections` 和 `min_streams` 冲突。
+
+#### padding
+
+!!! info
+
+    需要 sing-box 服务器版本 1.3-beta9 或更高。
+
+启用填充。
+

docs/examples/fakeip.md

@@ -0,0 +1,106 @@
+```json
+{
+  "dns": {
+    "servers": [
+      {
+        "tag": "google",
+        "address": "tls://8.8.8.8"
+      },
+      {
+        "tag": "local",
+        "address": "223.5.5.5",
+        "detour": "direct"
+      },
+      {
+        "tag": "remote",
+        "address": "fakeip"
+      },
+      {
+        "tag": "block",
+        "address": "rcode://success"
+      }
+    ],
+    "rules": [
+      {
+        "geosite": "category-ads-all",
+        "server": "block",
+        "disable_cache": true
+      },
+      {
+        "outbound": "any",
+        "server": "local"
+      },
+      {
+        "geosite": "cn",
+        "server": "local"
+      },
+      {
+        "query_type": [
+          "A",
+          "AAAA"
+        ],
+        "server": "remote"
+      }
+    ],
+    "fakeip": {
+      "enabled": true,
+      "inet4_range": "198.18.0.0/15",
+      "inet6_range": "fc00::/18"
+    },
+    "independent_cache": true,
+    "strategy": "ipv4_only"
+  },
+  "inbounds": [
+    {
+      "type": "tun",
+      "inet4_address": "172.19.0.1/30",
+      "auto_route": true,
+      "sniff": true,
+      "domain_strategy": "ipv4_only" // remove this line if you want to resolve the domain remotely (if the server is not sing-box, UDP may not work due to wrong behavior).
+    }
+  ],
+  "outbounds": [
+    {
+      "type": "shadowsocks",
+      "tag": "proxy",
+      "server": "mydomain.com",
+      "server_port": 8080,
+      "method": "2022-blake3-aes-128-gcm",
+      "password": "8JCsPssfgS8tiRwiMlhARg=="
+    },
+    {
+      "type": "direct",
+      "tag": "direct"
+    },
+    {
+      "type": "block",
+      "tag": "block"
+    },
+    {
+      "type": "dns",
+      "tag": "dns-out"
+    }
+  ],
+  "route": {
+    "rules": [
+      {
+        "protocol": "dns",
+        "outbound": "dns-out"
+      },
+      {
+        "geosite": "cn",
+        "geoip": [
+          "private",
+          "cn"
+        ],
+        "outbound": "direct"
+      },
+      {
+        "geosite": "category-ads-all",
+        "outbound": "block"
+      }
+    ],
+    "auto_detect_interface": true
+  }
+}
+```

docs/examples/fakeip.zh.md

@@ -0,0 +1,106 @@
+```json
+{
+  "dns": {
+    "servers": [
+      {
+        "tag": "google",
+        "address": "tls://8.8.8.8"
+      },
+      {
+        "tag": "local",
+        "address": "223.5.5.5",
+        "detour": "direct"
+      },
+      {
+        "tag": "remote",
+        "address": "fakeip"
+      },
+      {
+        "tag": "block",
+        "address": "rcode://success"
+      }
+    ],
+    "rules": [
+      {
+        "geosite": "category-ads-all",
+        "server": "block",
+        "disable_cache": true
+      },
+      {
+        "outbound": "any",
+        "server": "local"
+      },
+      {
+        "geosite": "cn",
+        "server": "local"
+      },
+      {
+        "query_type": [
+          "A",
+          "AAAA"
+        ],
+        "server": "remote"
+      }
+    ],
+    "fakeip": {
+      "enabled": true,
+      "inet4_range": "198.18.0.0/15",
+      "inet6_range": "fc00::/18"
+    },
+    "independent_cache": true,
+    "strategy": "ipv4_only"
+  },
+  "inbounds": [
+    {
+      "type": "tun",
+      "inet4_address": "172.19.0.1/30",
+      "auto_route": true,
+      "sniff": true,
+      "domain_strategy": "ipv4_only" // 如果您想在远程解析域，删除此行 (如果服务器程序不为 sing-box，可能由于错误的行为导致 UDP 无法使用)。
+    }
+  ],
+  "outbounds": [
+    {
+      "type": "shadowsocks",
+      "tag": "proxy",
+      "server": "mydomain.com",
+      "server_port": 8080,
+      "method": "2022-blake3-aes-128-gcm",
+      "password": "8JCsPssfgS8tiRwiMlhARg=="
+    },
+    {
+      "type": "direct",
+      "tag": "direct"
+    },
+    {
+      "type": "block",
+      "tag": "block"
+    },
+    {
+      "type": "dns",
+      "tag": "dns-out"
+    }
+  ],
+  "route": {
+    "rules": [
+      {
+        "protocol": "dns",
+        "outbound": "dns-out"
+      },
+      {
+        "geosite": "cn",
+        "geoip": [
+          "private",
+          "cn"
+        ],
+        "outbound": "direct"
+      },
+      {
+        "geosite": "category-ads-all",
+        "outbound": "block"
+      }
+    ],
+    "auto_detect_interface": true
+  }
+}
+```

docs/examples/index.md

@@ -8,3 +8,5 @@ Configuration examples for sing-box.
 * [Shadowsocks](./shadowsocks)
 * [ShadowTLS](./shadowtls)
 * [Clash API](./clash-api)
+* [WireGuard Direct](./wireguard-direct)
+* [FakeIP](./fakeip)

docs/examples/index.zh.md

@@ -8,3 +8,5 @@ sing-box 的配置示例。
 * [Shadowsocks](./shadowsocks)
 * [ShadowTLS](./shadowtls)
 * [Clash API](./clash-api)
+* [WireGuard Direct](./wireguard-direct)
+* [FakeIP](./fakeip)

docs/examples/wireguard-direct.md

@@ -0,0 +1,90 @@
+# WireGuard Direct
+
+```json
+{
+  "dns": {
+    "servers": [
+      {
+        "tag": "google",
+        "address": "tls://8.8.8.8"
+      },
+      {
+        "tag": "local",
+        "address": "223.5.5.5",
+        "detour": "direct"
+      }
+    ],
+    "rules": [
+      {
+        "geoip": "cn",
+        "server": "direct"
+      }
+    ],
+    "reverse_mapping": true
+  },
+  "inbounds": [
+    {
+      "type": "tun",
+      "tag": "tun",
+      "inet4_address": "172.19.0.1/30",
+      "auto_route": true,
+      "sniff": true,
+      "stack": "system"
+    }
+  ],
+  "outbounds": [
+    {
+      "type": "wireguard",
+      "tag": "wg",
+      "server": "127.0.0.1",
+      "server_port": 2345,
+      "local_address": [
+        "172.19.0.1/128"
+      ],
+      "private_key": "KLTnpPY03pig/WC3zR8U7VWmpANHPFh2/4pwICGJ5Fk=",
+      "peer_public_key": "uvNabcamf6Rs0vzmcw99jsjTJbxo6eWGOykSY66zsUk="
+    },
+    {
+      "type": "dns",
+      "tag": "dns"
+    },
+    {
+      "type": "direct",
+      "tag": "direct"
+    },
+    {
+      "type": "block",
+      "tag": "block"
+    }
+  ],
+  "route": {
+    "ip_rules": [
+      {
+        "port": 53,
+        "action": "return"
+      },
+      {
+        "geoip": "cn",
+        "geosite": "cn",
+        "action": "return"
+      },
+      {
+        "action": "direct",
+        "outbound": "wg"
+      }
+    ],
+    "rules": [
+      {
+        "protocol": "dns",
+        "outbound": "dns"
+      },
+      {
+        "geoip": "cn",
+        "geosite": "cn",
+        "outbound": "direct"
+      }
+    ],
+    "auto_detect_interface": true
+  }
+}
+```

docs/faq/fakeip.md

@@ -0,0 +1,19 @@
+# FakeIP
+
+FakeIP refers to a type of behavior in a program that simultaneously hijacks both DNS and connection requests. It
+responds to DNS requests with virtual results and restores mapping when accepting connections.
+
+#### Advantage
+
+*
+
+#### Limitation
+
+* Its mechanism breaks applications that depend on returning correct remote addresses.
+* Only A and AAAA (IP) requests are supported, which may break applications that rely on other requests.
+
+#### Recommendation
+
+* Enable `dns.independent_cache` unless you always resolve FakeIP domains remotely.
+* If using tun, make sure FakeIP ranges is included in the tun's routes.
+* Enable `experimental.clash_api.store_fakeip` to persist FakeIP records, or use `dns.rules.rewrite_ttl` to avoid losing records after program restart in DNS cached environments.

docs/faq/fakeip.zh.md

@@ -0,0 +1,18 @@
+# FakeIP
+
+FakeIP 是指同时劫持 DNS 和连接请求的程序中的一种行为。它通过虚拟结果响应 DNS 请求，在接受连接时恢复映射。
+
+#### 优点
+
+*
+
+#### 限制
+
+* 它的机制会破坏依赖于返回正确远程地址的应用程序。
+* 仅支持 A 和 AAAA（IP）请求，这可能会破坏依赖于其他请求的应用程序。
+
+#### 建议
+
+* 启用 `dns.independent_cache` 除非您始终远程解析 FakeIP 域。
+* 如果使用 tun，请确保 tun 路由中包含 FakeIP 地址范围。
+* 启用 `experimental.clash_api.store_fakeip` 以持久化 FakeIP 记录，或者使用 `dns.rules.rewrite_ttl` 避免程序重启后在 DNS 被缓存的环境中丢失记录。

docs/faq/index.md

@@ -11,12 +11,6 @@ it doesn't fit, because it compromises performance or design clarity, or because
 If it bothers you that sing-box is missing feature X, please forgive us and investigate the features that sing-box does
 have. You might find that they compensate in interesting ways for the lack of X.
 
-#### Fake IP
-
-Fake IP (also called Fake DNS) is an invasive and imperfect DNS solution that breaks expected behavior, causes DNS leaks
-and makes many software unusable. It is recommended by some software that lacks DNS processing and caching, but sing-box
-does not need this.
-
 #### Naive outbound
 
 NaïveProxy's main function is chromium's network stack, and it makes no sense to implement only its transport protocol.

docs/faq/index.zh.md

@@ -9,11 +9,6 @@
 
 如果 sing-box 缺少功能 X 让您感到困扰，请原谅我们并调查 sing-box 确实有的功能。 您可能会发现它们以有趣的方式弥补了 X 的缺失。
 
-#### Fake IP
-
-Fake IP（也称 Fake DNS）是一种侵入性和不完善的 DNS 解决方案，它打破了预期的行为，导致 DNS 泄漏并使许多软件无法使用。
-一些缺乏 DNS 处理和缓存的软件推荐使用它，但 sing-box 不需要。
-
 #### Naive 出站
 
 NaïveProxy 的主要功能是 chromium 的网络栈，仅实现它的传输协议是舍本逐末的。

experimental/clashapi.go

@@ -1,6 +1,7 @@
 package experimental
 
 import (
+	"context"
 	"os"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -8,7 +9,7 @@ import (
 	"github.com/sagernet/sing-box/option"
 )
 
-type ClashServerConstructor = func(router adapter.Router, logFactory log.ObservableFactory, options option.ClashAPIOptions) (adapter.ClashServer, error)
+type ClashServerConstructor = func(ctx context.Context, router adapter.Router, logFactory log.ObservableFactory, options option.ClashAPIOptions) (adapter.ClashServer, error)
 
 var clashServerConstructor ClashServerConstructor
 
@@ -16,9 +17,9 @@ func RegisterClashServerConstructor(constructor ClashServerConstructor) {
 	clashServerConstructor = constructor
 }
 
-func NewClashServer(router adapter.Router, logFactory log.ObservableFactory, options option.ClashAPIOptions) (adapter.ClashServer, error) {
+func NewClashServer(ctx context.Context, router adapter.Router, logFactory log.ObservableFactory, options option.ClashAPIOptions) (adapter.ClashServer, error) {
 	if clashServerConstructor == nil {
 		return nil, os.ErrInvalid
 	}
-	return clashServerConstructor(router, logFactory, options)
+	return clashServerConstructor(ctx, router, logFactory, options)
 }

experimental/clashapi/api_meta.go

@@ -0,0 +1,78 @@
+package clashapi
+
+import (
+	"bytes"
+	"net/http"
+	"time"
+
+	"github.com/sagernet/sing-box/common/json"
+	"github.com/sagernet/sing-box/experimental/clashapi/trafficontrol"
+	"github.com/sagernet/websocket"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/render"
+)
+
+// API created by Clash.Meta
+
+func (s *Server) setupMetaAPI(r chi.Router) {
+	r.Get("/memory", memory(s.trafficManager))
+	r.Mount("/group", groupRouter(s))
+}
+
+type Memory struct {
+	Inuse   uint64 `json:"inuse"`
+	OSLimit uint64 `json:"oslimit"` // maybe we need it in the future
+}
+
+func memory(trafficManager *trafficontrol.Manager) func(w http.ResponseWriter, r *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var wsConn *websocket.Conn
+		if websocket.IsWebSocketUpgrade(r) {
+			var err error
+			wsConn, err = upgrader.Upgrade(w, r, nil)
+			if err != nil {
+				return
+			}
+		}
+
+		if wsConn == nil {
+			w.Header().Set("Content-Type", "application/json")
+			render.Status(r, http.StatusOK)
+		}
+
+		tick := time.NewTicker(time.Second)
+		defer tick.Stop()
+		buf := &bytes.Buffer{}
+		var err error
+		first := true
+		for range tick.C {
+			buf.Reset()
+
+			inuse := trafficManager.Snapshot().Memory
+
+			// make chat.js begin with zero
+			// this is shit var,but we need output 0 for first time
+			if first {
+				first = false
+				inuse = 0
+			}
+			if err := json.NewEncoder(buf).Encode(Memory{
+				Inuse:   inuse,
+				OSLimit: 0,
+			}); err != nil {
+				break
+			}
+			if wsConn == nil {
+				_, err = w.Write(buf.Bytes())
+				w.(http.Flusher).Flush()
+			} else {
+				err = wsConn.WriteMessage(websocket.TextMessage, buf.Bytes())
+			}
+
+			if err != nil {
+				break
+			}
+		}
+	}
+}

experimental/clashapi/api_meta_group.go

@@ -0,0 +1,136 @@
+package clashapi
+
+import (
+	"context"
+	"net/http"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/badjson"
+	"github.com/sagernet/sing-box/common/urltest"
+	"github.com/sagernet/sing-box/outbound"
+	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/batch"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/render"
+)
+
+func groupRouter(server *Server) http.Handler {
+	r := chi.NewRouter()
+	r.Get("/", getGroups(server))
+	r.Route("/{name}", func(r chi.Router) {
+		r.Use(parseProxyName, findProxyByName(server.router))
+		r.Get("/", getGroup(server))
+		r.Get("/delay", getGroupDelay(server))
+	})
+	return r
+}
+
+func getGroups(server *Server) func(w http.ResponseWriter, r *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		groups := common.Map(common.Filter(server.router.Outbounds(), func(it adapter.Outbound) bool {
+			_, isGroup := it.(adapter.OutboundGroup)
+			return isGroup
+		}), func(it adapter.Outbound) *badjson.JSONObject {
+			return proxyInfo(server, it)
+		})
+		render.JSON(w, r, render.M{
+			"proxies": groups,
+		})
+	}
+}
+
+func getGroup(server *Server) func(w http.ResponseWriter, r *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		proxy := r.Context().Value(CtxKeyProxy).(adapter.Outbound)
+		if _, ok := proxy.(adapter.OutboundGroup); ok {
+			render.JSON(w, r, proxyInfo(server, proxy))
+			return
+		}
+		render.Status(r, http.StatusNotFound)
+		render.JSON(w, r, ErrNotFound)
+	}
+}
+
+func getGroupDelay(server *Server) func(w http.ResponseWriter, r *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		proxy := r.Context().Value(CtxKeyProxy).(adapter.Outbound)
+		group, ok := proxy.(adapter.OutboundGroup)
+		if !ok {
+			render.Status(r, http.StatusNotFound)
+			render.JSON(w, r, ErrNotFound)
+			return
+		}
+
+		query := r.URL.Query()
+		url := query.Get("url")
+		if strings.HasPrefix(url, "http://") {
+			url = ""
+		}
+		timeout, err := strconv.ParseInt(query.Get("timeout"), 10, 32)
+		if err != nil {
+			render.Status(r, http.StatusBadRequest)
+			render.JSON(w, r, ErrBadRequest)
+			return
+		}
+
+		ctx, cancel := context.WithTimeout(r.Context(), time.Millisecond*time.Duration(timeout))
+		defer cancel()
+
+		var result map[string]uint16
+		if urlTestGroup, isURLTestGroup := group.(adapter.URLTestGroup); isURLTestGroup {
+			result, err = urlTestGroup.URLTest(ctx, url)
+		} else {
+			outbounds := common.FilterNotNil(common.Map(group.All(), func(it string) adapter.Outbound {
+				itOutbound, _ := server.router.Outbound(it)
+				return itOutbound
+			}))
+			b, _ := batch.New(ctx, batch.WithConcurrencyNum[any](10))
+			checked := make(map[string]bool)
+			result = make(map[string]uint16)
+			var resultAccess sync.Mutex
+			for _, detour := range outbounds {
+				tag := detour.Tag()
+				realTag := outbound.RealTag(detour)
+				if checked[realTag] {
+					continue
+				}
+				checked[realTag] = true
+				p, loaded := server.router.Outbound(realTag)
+				if !loaded {
+					continue
+				}
+				b.Go(realTag, func() (any, error) {
+					t, err := urltest.URLTest(ctx, url, p)
+					if err != nil {
+						server.logger.Debug("outbound ", tag, " unavailable: ", err)
+						server.urlTestHistory.DeleteURLTestHistory(realTag)
+					} else {
+						server.logger.Debug("outbound ", tag, " available: ", t, "ms")
+						server.urlTestHistory.StoreURLTestHistory(realTag, &urltest.History{
+							Time:  time.Now(),
+							Delay: t,
+						})
+						resultAccess.Lock()
+						result[tag] = t
+						resultAccess.Unlock()
+					}
+					return nil, nil
+				})
+			}
+			b.Wait()
+		}
+
+		if err != nil {
+			render.Status(r, http.StatusGatewayTimeout)
+			render.JSON(w, r, newError(err.Error()))
+			return
+		}
+
+		render.JSON(w, r, result)
+	}
+}

experimental/clashapi/cache.go

@@ -3,21 +3,28 @@ package clashapi
 import (
 	"net/http"
 
+	"github.com/sagernet/sing-box/adapter"
+
 	"github.com/go-chi/chi/v5"
 	"github.com/go-chi/render"
 )
 
-func cacheRouter() http.Handler {
+func cacheRouter(router adapter.Router) http.Handler {
 	r := chi.NewRouter()
-	r.Post("/fakeip/flush", flushFakeip)
+	r.Post("/fakeip/flush", flushFakeip(router))
 	return r
 }
 
-func flushFakeip(w http.ResponseWriter, r *http.Request) {
+func flushFakeip(router adapter.Router) func(w http.ResponseWriter, r *http.Request) {
-	/*if err := cachefile.Cache().FlushFakeip(); err != nil {
+	return func(w http.ResponseWriter, r *http.Request) {
-		render.Status(r, http.StatusInternalServerError)
+		if cacheFile := router.ClashServer().CacheFile(); cacheFile != nil {
-		render.JSON(w, r, newError(err.Error()))
+			err := cacheFile.FakeIPReset()
-		return
+			if err != nil {
-	}*/
+				render.Status(r, http.StatusInternalServerError)
-	render.NoContent(w, r)
+				render.JSON(w, r, newError(err.Error()))
+				return
+			}
+		}
+		render.NoContent(w, r)
+	}
 }

experimental/clashapi/cachefile/cache.go

@@ -14,10 +14,11 @@ var bucketSelected = []byte("selected")
 var _ adapter.ClashCacheFile = (*CacheFile)(nil)
 
 type CacheFile struct {
-	DB *bbolt.DB
+	DB      *bbolt.DB
+	cacheID []byte
 }
 
-func Open(path string) (*CacheFile, error) {
+func Open(path string, cacheID string) (*CacheFile, error) {
 	const fileMode = 0o666
 	options := bbolt.Options{Timeout: time.Second}
 	db, err := bbolt.Open(path, fileMode, &options)
@@ -31,13 +32,39 @@ func Open(path string) (*CacheFile, error) {
 	if err != nil {
 		return nil, err
 	}
-	return &CacheFile{db}, nil
+	var cacheIDBytes []byte
+	if cacheID != "" {
+		cacheIDBytes = append([]byte{0}, []byte(cacheID)...)
+	}
+	return &CacheFile{db, cacheIDBytes}, nil
+}
+
+func (c *CacheFile) bucket(t *bbolt.Tx, key []byte) *bbolt.Bucket {
+	if c.cacheID == nil {
+		return t.Bucket(key)
+	}
+	bucket := t.Bucket(c.cacheID)
+	if bucket == nil {
+		return nil
+	}
+	return bucket.Bucket(key)
+}
+
+func (c *CacheFile) createBucket(t *bbolt.Tx, key []byte) (*bbolt.Bucket, error) {
+	if c.cacheID == nil {
+		return t.CreateBucketIfNotExists(key)
+	}
+	bucket, err := t.CreateBucketIfNotExists(c.cacheID)
+	if bucket == nil {
+		return nil, err
+	}
+	return bucket.CreateBucketIfNotExists(key)
 }
 
 func (c *CacheFile) LoadSelected(group string) string {
 	var selected string
 	c.DB.View(func(t *bbolt.Tx) error {
-		bucket := t.Bucket(bucketSelected)
+		bucket := c.bucket(t, bucketSelected)
 		if bucket == nil {
 			return nil
 		}
@@ -52,7 +79,7 @@ func (c *CacheFile) LoadSelected(group string) string {
 
 func (c *CacheFile) StoreSelected(group, selected string) error {
 	return c.DB.Batch(func(t *bbolt.Tx) error {
-		bucket, err := t.CreateBucketIfNotExists(bucketSelected)
+		bucket, err := c.createBucket(t, bucketSelected)
 		if err != nil {
 			return err
 		}

experimental/clashapi/cachefile/fakeip.go

@@ -0,0 +1,77 @@
+package cachefile
+
+import (
+	"net/netip"
+	"os"
+
+	"github.com/sagernet/sing-box/adapter"
+
+	"go.etcd.io/bbolt"
+)
+
+var (
+	bucketFakeIP = []byte("fakeip")
+	keyMetadata  = []byte("metadata")
+)
+
+func (c *CacheFile) FakeIPMetadata() *adapter.FakeIPMetadata {
+	var metadata adapter.FakeIPMetadata
+	err := c.DB.View(func(tx *bbolt.Tx) error {
+		bucket := tx.Bucket(bucketFakeIP)
+		if bucket == nil {
+			return nil
+		}
+		metadataBinary := bucket.Get(keyMetadata)
+		if len(metadataBinary) == 0 {
+			return os.ErrInvalid
+		}
+		return metadata.UnmarshalBinary(metadataBinary)
+	})
+	if err != nil {
+		return nil
+	}
+	return &metadata
+}
+
+func (c *CacheFile) FakeIPSaveMetadata(metadata *adapter.FakeIPMetadata) error {
+	return c.DB.Batch(func(tx *bbolt.Tx) error {
+		bucket, err := tx.CreateBucketIfNotExists(bucketFakeIP)
+		if err != nil {
+			return err
+		}
+		metadataBinary, err := metadata.MarshalBinary()
+		if err != nil {
+			return err
+		}
+		return bucket.Put(keyMetadata, metadataBinary)
+	})
+}
+
+func (c *CacheFile) FakeIPStore(address netip.Addr, domain string) error {
+	return c.DB.Batch(func(tx *bbolt.Tx) error {
+		bucket, err := tx.CreateBucketIfNotExists(bucketFakeIP)
+		if err != nil {
+			return err
+		}
+		return bucket.Put(address.AsSlice(), []byte(domain))
+	})
+}
+
+func (c *CacheFile) FakeIPLoad(address netip.Addr) (string, bool) {
+	var domain string
+	_ = c.DB.View(func(tx *bbolt.Tx) error {
+		bucket := tx.Bucket(bucketFakeIP)
+		if bucket == nil {
+			return nil
+		}
+		domain = string(bucket.Get(address.AsSlice()))
+		return nil
+	})
+	return domain, domain != ""
+}
+
+func (c *CacheFile) FakeIPReset() error {
+	return c.DB.Batch(func(tx *bbolt.Tx) error {
+		return tx.DeleteBucket(bucketFakeIP)
+	})
+}

experimental/clashapi/connections.go

@@ -6,6 +6,7 @@ import (
 	"strconv"
 	"time"
 
+	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/json"
 	"github.com/sagernet/sing-box/experimental/clashapi/trafficontrol"
 	"github.com/sagernet/websocket"
@@ -14,10 +15,10 @@ import (
 	"github.com/go-chi/render"
 )
 
-func connectionRouter(trafficManager *trafficontrol.Manager) http.Handler {
+func connectionRouter(router adapter.Router, trafficManager *trafficontrol.Manager) http.Handler {
 	r := chi.NewRouter()
 	r.Get("/", getConnections(trafficManager))
-	r.Delete("/", closeAllConnections(trafficManager))
+	r.Delete("/", closeAllConnections(router, trafficManager))
 	r.Delete("/{id}", closeConnection(trafficManager))
 	return r
 }
@@ -86,12 +87,13 @@ func closeConnection(trafficManager *trafficontrol.Manager) func(w http.Response
 	}
 }
 
-func closeAllConnections(trafficManager *trafficontrol.Manager) func(w http.ResponseWriter, r *http.Request) {
+func closeAllConnections(router adapter.Router, trafficManager *trafficontrol.Manager) func(w http.ResponseWriter, r *http.Request) {
 	return func(w http.ResponseWriter, r *http.Request) {
 		snapshot := trafficManager.Snapshot()
 		for _, c := range snapshot.Connections {
 			c.Close()
 		}
+		router.ResetNetwork()
 		render.NoContent(w, r)
 	}
 }

experimental/clashapi/proxies.go

@@ -6,6 +6,7 @@ import (
 	"net/http"
 	"sort"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -214,6 +215,9 @@ func getProxyDelay(server *Server) func(w http.ResponseWriter, r *http.Request)
 	return func(w http.ResponseWriter, r *http.Request) {
 		query := r.URL.Query()
 		url := query.Get("url")
+		if strings.HasPrefix(url, "http://") {
+			url = ""
+		}
 		timeout, err := strconv.ParseInt(query.Get("timeout"), 10, 16)
 		if err != nil {
 			render.Status(r, http.StatusBadRequest)

experimental/clashapi/server.go

@@ -23,6 +23,7 @@ import (
 	E "github.com/sagernet/sing/common/exceptions"
 	F "github.com/sagernet/sing/common/format"
 	N "github.com/sagernet/sing/common/network"
+	"github.com/sagernet/sing/service/filemanager"
 	"github.com/sagernet/websocket"
 
 	"github.com/go-chi/chi/v5"
@@ -37,6 +38,7 @@ func init() {
 var _ adapter.ClashServer = (*Server)(nil)
 
 type Server struct {
+	ctx            context.Context
 	router         adapter.Router
 	logger         log.Logger
 	httpServer     *http.Server
@@ -44,29 +46,39 @@ type Server struct {
 	urlTestHistory *urltest.HistoryStorage
 	mode           string
 	storeSelected  bool
+	storeFakeIP    bool
 	cacheFilePath  string
+	cacheID        string
 	cacheFile      adapter.ClashCacheFile
+
+	externalUI               string
+	externalUIDownloadURL    string
+	externalUIDownloadDetour string
 }
 
-func NewServer(router adapter.Router, logFactory log.ObservableFactory, options option.ClashAPIOptions) (adapter.ClashServer, error) {
+func NewServer(ctx context.Context, router adapter.Router, logFactory log.ObservableFactory, options option.ClashAPIOptions) (adapter.ClashServer, error) {
 	trafficManager := trafficontrol.NewManager()
 	chiRouter := chi.NewRouter()
 	server := &Server{
+		ctx:    ctx,
 		router: router,
 		logger: logFactory.NewLogger("clash-api"),
 		httpServer: &http.Server{
 			Addr:    options.ExternalController,
 			Handler: chiRouter,
 		},
-		trafficManager: trafficManager,
+		trafficManager:           trafficManager,
-		urlTestHistory: urltest.NewHistoryStorage(),
+		urlTestHistory:           urltest.NewHistoryStorage(),
-		mode:           strings.ToLower(options.DefaultMode),
+		mode:                     strings.ToLower(options.DefaultMode),
+		storeSelected:            options.StoreSelected,
+		storeFakeIP:              options.StoreFakeIP,
+		externalUIDownloadURL:    options.ExternalUIDownloadURL,
+		externalUIDownloadDetour: options.ExternalUIDownloadDetour,
 	}
 	if server.mode == "" {
 		server.mode = "rule"
 	}
-	if options.StoreSelected {
+	if options.StoreSelected || options.StoreFakeIP {
-		server.storeSelected = true
 		cachePath := os.ExpandEnv(options.CacheFile)
 		if cachePath == "" {
 			cachePath = "cache.db"
@@ -74,9 +86,10 @@ func NewServer(router adapter.Router, logFactory log.ObservableFactory, options
 		if foundPath, loaded := C.FindPath(cachePath); loaded {
 			cachePath = foundPath
 		} else {
-			cachePath = C.BasePath(cachePath)
+			cachePath = filemanager.BasePath(ctx, cachePath)
 		}
 		server.cacheFilePath = cachePath
+		server.cacheID = options.CacheID
 	}
 	cors := cors.New(cors.Options{
 		AllowedOrigins: []string{"*"},
@@ -94,17 +107,20 @@ func NewServer(router adapter.Router, logFactory log.ObservableFactory, options
 		r.Mount("/configs", configRouter(server, logFactory, server.logger))
 		r.Mount("/proxies", proxyRouter(server, router))
 		r.Mount("/rules", ruleRouter(router))
-		r.Mount("/connections", connectionRouter(trafficManager))
+		r.Mount("/connections", connectionRouter(router, trafficManager))
 		r.Mount("/providers/proxies", proxyProviderRouter())
 		r.Mount("/providers/rules", ruleProviderRouter())
 		r.Mount("/script", scriptRouter())
 		r.Mount("/profile", profileRouter())
-		r.Mount("/cache", cacheRouter())
+		r.Mount("/cache", cacheRouter(router))
 		r.Mount("/dns", dnsRouter(router))
+
+		server.setupMetaAPI(r)
 	})
 	if options.ExternalUI != "" {
+		server.externalUI = filemanager.BasePath(ctx, os.ExpandEnv(options.ExternalUI))
 		chiRouter.Group(func(r chi.Router) {
-			fs := http.StripPrefix("/ui", http.FileServer(http.Dir(C.BasePath(os.ExpandEnv(options.ExternalUI)))))
+			fs := http.StripPrefix("/ui", http.FileServer(http.Dir(server.externalUI)))
 			r.Get("/ui", http.RedirectHandler("/ui/", http.StatusTemporaryRedirect).ServeHTTP)
 			r.Get("/ui/*", func(w http.ResponseWriter, r *http.Request) {
 				fs.ServeHTTP(w, r)
@@ -116,7 +132,7 @@ func NewServer(router adapter.Router, logFactory log.ObservableFactory, options
 
 func (s *Server) PreStart() error {
 	if s.cacheFilePath != "" {
-		cacheFile, err := cachefile.Open(s.cacheFilePath)
+		cacheFile, err := cachefile.Open(s.cacheFilePath, s.cacheID)
 		if err != nil {
 			return E.Cause(err, "open cache file")
 		}
@@ -126,6 +142,7 @@ func (s *Server) PreStart() error {
 }
 
 func (s *Server) Start() error {
+	s.checkAndDownloadExternalUI()
 	listener, err := net.Listen("tcp", s.httpServer.Addr)
 	if err != nil {
 		return E.Cause(err, "external controller listen error")
@@ -156,6 +173,10 @@ func (s *Server) StoreSelected() bool {
 	return s.storeSelected
 }
 
+func (s *Server) StoreFakeIP() bool {
+	return s.storeFakeIP
+}
+
 func (s *Server) CacheFile() adapter.ClashCacheFile {
 	return s.cacheFile
 }
@@ -392,5 +413,5 @@ func getLogs(logFactory log.ObservableFactory) func(w http.ResponseWriter, r *ht
 }
 
 func version(w http.ResponseWriter, r *http.Request) {
-	render.JSON(w, r, render.M{"version": "sing-box " + C.Version, "premium": true})
+	render.JSON(w, r, render.M{"version": "sing-box " + C.Version, "premium": true, "meta": true})
 }

experimental/clashapi/server_resources.go

@@ -0,0 +1,164 @@
+package clashapi
+
+import (
+	"archive/zip"
+	"context"
+	"io"
+	"net"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"github.com/sagernet/sing-box/adapter"
+	"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"
+	"github.com/sagernet/sing/service/filemanager"
+)
+
+func (s *Server) checkAndDownloadExternalUI() {
+	if s.externalUI == "" {
+		return
+	}
+	entries, err := os.ReadDir(s.externalUI)
+	if err != nil {
+		os.MkdirAll(s.externalUI, 0o755)
+	}
+	if len(entries) == 0 {
+		err = s.downloadExternalUI()
+		if err != nil {
+			s.logger.Error("download external ui error: ", err)
+		}
+	}
+}
+
+func (s *Server) downloadExternalUI() error {
+	var downloadURL string
+	if s.externalUIDownloadURL != "" {
+		downloadURL = s.externalUIDownloadURL
+	} else {
+		downloadURL = "https://github.com/MetaCubeX/Yacd-meta/archive/gh-pages.zip"
+	}
+	s.logger.Info("downloading external ui")
+	var detour adapter.Outbound
+	if s.externalUIDownloadDetour != "" {
+		outbound, loaded := s.router.Outbound(s.externalUIDownloadDetour)
+		if !loaded {
+			return E.New("detour outbound not found: ", s.externalUIDownloadDetour)
+		}
+		detour = outbound
+	} else {
+		detour = s.router.DefaultOutbound(N.NetworkTCP)
+	}
+	httpClient := &http.Client{
+		Transport: &http.Transport{
+			ForceAttemptHTTP2:   true,
+			TLSHandshakeTimeout: 5 * time.Second,
+			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
+				return detour.DialContext(ctx, network, M.ParseSocksaddr(addr))
+			},
+		},
+	}
+	defer httpClient.CloseIdleConnections()
+	response, err := httpClient.Get(downloadURL)
+	if err != nil {
+		return err
+	}
+	defer response.Body.Close()
+	if response.StatusCode != http.StatusOK {
+		return E.New("download external ui failed: ", response.Status)
+	}
+	err = s.downloadZIP(filepath.Base(downloadURL), response.Body, s.externalUI)
+	if err != nil {
+		removeAllInDirectory(s.externalUI)
+	}
+	return err
+}
+
+func (s *Server) downloadZIP(name string, body io.Reader, output string) error {
+	tempFile, err := filemanager.CreateTemp(s.ctx, name)
+	if err != nil {
+		return err
+	}
+	defer os.Remove(tempFile.Name())
+	_, err = io.Copy(tempFile, body)
+	tempFile.Close()
+	if err != nil {
+		return err
+	}
+	reader, err := zip.OpenReader(tempFile.Name())
+	if err != nil {
+		return err
+	}
+	defer reader.Close()
+	trimDir := zipIsInSingleDirectory(reader.File)
+	for _, file := range reader.File {
+		if file.FileInfo().IsDir() {
+			continue
+		}
+		pathElements := strings.Split(file.Name, "/")
+		if trimDir {
+			pathElements = pathElements[1:]
+		}
+		saveDirectory := output
+		if len(pathElements) > 1 {
+			saveDirectory = filepath.Join(saveDirectory, filepath.Join(pathElements[:len(pathElements)-1]...))
+		}
+		err = os.MkdirAll(saveDirectory, 0o755)
+		if err != nil {
+			return err
+		}
+		savePath := filepath.Join(saveDirectory, pathElements[len(pathElements)-1])
+		err = downloadZIPEntry(s.ctx, file, savePath)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func downloadZIPEntry(ctx context.Context, zipFile *zip.File, savePath string) error {
+	saveFile, err := filemanager.Create(ctx, savePath)
+	if err != nil {
+		return err
+	}
+	defer saveFile.Close()
+	reader, err := zipFile.Open()
+	if err != nil {
+		return err
+	}
+	defer reader.Close()
+	return common.Error(io.Copy(saveFile, reader))
+}
+
+func removeAllInDirectory(directory string) {
+	dirEntries, err := os.ReadDir(directory)
+	if err != nil {
+		return
+	}
+	for _, dirEntry := range dirEntries {
+		os.RemoveAll(filepath.Join(directory, dirEntry.Name()))
+	}
+}
+
+func zipIsInSingleDirectory(files []*zip.File) bool {
+	var singleDirectory string
+	for _, file := range files {
+		if file.FileInfo().IsDir() {
+			continue
+		}
+		pathElements := strings.Split(file.Name, "/")
+		if len(pathElements) == 0 {
+			return false
+		}
+		if singleDirectory == "" {
+			singleDirectory = pathElements[0]
+		} else if singleDirectory != pathElements[0] {
+			return false
+		}
+	}
+	return true
+}

experimental/clashapi/trafficontrol/manager.go

@@ -1,6 +1,7 @@
 package trafficontrol
 
 import (
+	"runtime"
 	"time"
 
 	"github.com/sagernet/sing-box/experimental/clashapi/compatible"
@@ -18,12 +19,15 @@ type Manager struct {
 	connections compatible.Map[string, tracker]
 	ticker      *time.Ticker
 	done        chan struct{}
+	// process     *process.Process
+	memory uint64
 }
 
 func NewManager() *Manager {
 	manager := &Manager{
 		ticker: time.NewTicker(time.Second),
 		done:   make(chan struct{}),
+		// process: &process.Process{Pid: int32(os.Getpid())},
 	}
 	go manager.handle()
 	return manager
@@ -58,10 +62,18 @@ func (m *Manager) Snapshot() *Snapshot {
 		return true
 	})
 
+	//if memoryInfo, err := m.process.MemoryInfo(); err == nil {
+	//	m.memory = memoryInfo.RSS
+	//} else {
+	var memStats runtime.MemStats
+	runtime.ReadMemStats(&memStats)
+	m.memory = memStats.StackInuse + memStats.HeapInuse + memStats.HeapIdle - memStats.HeapReleased
+
 	return &Snapshot{
 		UploadTotal:   m.uploadTotal.Load(),
 		DownloadTotal: m.downloadTotal.Load(),
 		Connections:   connections,
+		Memory:        m.memory,
 	}
 }
 
@@ -100,4 +112,5 @@ type Snapshot struct {
 	DownloadTotal int64     `json:"downloadTotal"`
 	UploadTotal   int64     `json:"uploadTotal"`
 	Connections   []tracker `json:"connections"`
+	Memory        uint64    `json:"memory"`
 }

experimental/clashapi/trafficontrol/tracker.go

@@ -7,9 +7,9 @@ import (
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/experimental/trackerconn"
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/atomic"
+	"github.com/sagernet/sing/common/bufio"
 	N "github.com/sagernet/sing/common/network"
 
 	"github.com/gofrs/uuid/v5"
@@ -115,13 +115,13 @@ func NewTCPTracker(conn net.Conn, manager *Manager, metadata Metadata, router ad
 	download := new(atomic.Int64)
 
 	t := &tcpTracker{
-		ExtendedConn: trackerconn.NewHook(conn, func(n int64) {
+		ExtendedConn: bufio.NewCounterConn(conn, []N.CountFunc{func(n int64) {
 			upload.Add(n)
 			manager.PushUploaded(n)
-		}, func(n int64) {
+		}}, []N.CountFunc{func(n int64) {
 			download.Add(n)
 			manager.PushDownloaded(n)
-		}),
+		}}),
 		manager: manager,
 		trackerInfo: &trackerInfo{
 			UUID:          uuid,
@@ -202,13 +202,13 @@ func NewUDPTracker(conn N.PacketConn, manager *Manager, metadata Metadata, route
 	download := new(atomic.Int64)
 
 	ut := &udpTracker{
-		PacketConn: trackerconn.NewHookPacket(conn, func(n int64) {
+		PacketConn: bufio.NewCounterPacketConn(conn, []N.CountFunc{func(n int64) {
 			upload.Add(n)
 			manager.PushUploaded(n)
-		}, func(n int64) {
+		}}, []N.CountFunc{func(n int64) {
 			download.Add(n)
 			manager.PushDownloaded(n)
-		}),
+		}}),
 		manager: manager,
 		trackerInfo: &trackerInfo{
 			UUID:          uuid,

experimental/libbox/dns.go

@@ -0,0 +1,162 @@
+package libbox
+
+import (
+	"context"
+	"net/netip"
+	"strings"
+	"syscall"
+
+	"github.com/sagernet/sing-dns"
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/logger"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+	"github.com/sagernet/sing/common/task"
+
+	mDNS "github.com/miekg/dns"
+)
+
+type LocalDNSTransport interface {
+	Raw() bool
+	Lookup(ctx *ExchangeContext, network string, domain string) error
+	Exchange(ctx *ExchangeContext, message []byte) error
+}
+
+func RegisterLocalDNSTransport(transport LocalDNSTransport) {
+	if transport == nil {
+		dns.RegisterTransport([]string{"local"}, dns.CreateLocalTransport)
+	} else {
+		dns.RegisterTransport([]string{"local"}, func(name string, ctx context.Context, logger logger.ContextLogger, dialer N.Dialer, link string) (dns.Transport, error) {
+			return &platformLocalDNSTransport{
+				iif: transport,
+			}, nil
+		})
+	}
+}
+
+var _ dns.Transport = (*platformLocalDNSTransport)(nil)
+
+type platformLocalDNSTransport struct {
+	iif LocalDNSTransport
+}
+
+func (p *platformLocalDNSTransport) Name() string {
+	return "local"
+}
+
+func (p *platformLocalDNSTransport) Start() error {
+	return nil
+}
+
+func (p *platformLocalDNSTransport) Close() error {
+	return nil
+}
+
+func (p *platformLocalDNSTransport) Raw() bool {
+	return p.iif.Raw()
+}
+
+func (p *platformLocalDNSTransport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg, error) {
+	messageBytes, err := message.Pack()
+	if err != nil {
+		return nil, err
+	}
+	response := &ExchangeContext{
+		context: ctx,
+	}
+	var responseMessage *mDNS.Msg
+	return responseMessage, task.Run(ctx, func() error {
+		err = p.iif.Exchange(response, messageBytes)
+		if err != nil {
+			return err
+		}
+		if response.error != nil {
+			return response.error
+		}
+		responseMessage = &response.message
+		return nil
+	})
+}
+
+func (p *platformLocalDNSTransport) Lookup(ctx context.Context, domain string, strategy dns.DomainStrategy) ([]netip.Addr, error) {
+	var network string
+	switch strategy {
+	case dns.DomainStrategyUseIPv4:
+		network = "ip4"
+	case dns.DomainStrategyPreferIPv6:
+		network = "ip6"
+	default:
+		network = "ip"
+	}
+	response := &ExchangeContext{
+		context: ctx,
+	}
+	var responseAddr []netip.Addr
+	return responseAddr, task.Run(ctx, func() error {
+		err := p.iif.Lookup(response, network, domain)
+		if err != nil {
+			return err
+		}
+		if response.error != nil {
+			return response.error
+		}
+		switch strategy {
+		case dns.DomainStrategyUseIPv4:
+			responseAddr = common.Filter(response.addresses, func(it netip.Addr) bool {
+				return it.Is4()
+			})
+		case dns.DomainStrategyPreferIPv6:
+			responseAddr = common.Filter(response.addresses, func(it netip.Addr) bool {
+				return it.Is6()
+			})
+		default:
+			responseAddr = response.addresses
+		}
+		/*if len(responseAddr) == 0 {
+			response.error = dns.RCodeSuccess
+		}*/
+		return nil
+	})
+}
+
+type Func interface {
+	Invoke() error
+}
+
+type ExchangeContext struct {
+	context   context.Context
+	message   mDNS.Msg
+	addresses []netip.Addr
+	error     error
+}
+
+func (c *ExchangeContext) OnCancel(callback Func) {
+	go func() {
+		<-c.context.Done()
+		callback.Invoke()
+	}()
+}
+
+func (c *ExchangeContext) Success(result string) {
+	c.addresses = common.Map(common.Filter(strings.Split(result, "\n"), func(it string) bool {
+		return !common.IsEmpty(it)
+	}), func(it string) netip.Addr {
+		return M.ParseSocksaddrHostPort(it, 0).Unwrap().Addr
+	})
+}
+
+func (c *ExchangeContext) RawSuccess(result []byte) {
+	err := c.message.Unpack(result)
+	if err != nil {
+		c.error = E.Cause(err, "parse response")
+	}
+}
+
+func (c *ExchangeContext) ErrorCode(code int32) {
+	c.error = dns.RCodeError(code)
+}
+
+func (c *ExchangeContext) ErrnoCode(code int32) {
+	c.error = syscall.Errno(code)
+}

experimental/libbox/log.go

@@ -27,3 +27,27 @@ func RedirectStderr(path string) error {
 	stderrFile = outputFile
 	return nil
 }
+
+func RedirectStderrAsUser(path string, uid, gid int) error {
+	if stats, err := os.Stat(path); err == nil && stats.Size() > 0 {
+		_ = os.Rename(path, path+".old")
+	}
+	outputFile, err := os.Create(path)
+	if err != nil {
+		return err
+	}
+	err = outputFile.Chown(uid, gid)
+	if err != nil {
+		outputFile.Close()
+		os.Remove(outputFile.Name())
+		return err
+	}
+	err = unix.Dup2(int(outputFile.Fd()), int(os.Stderr.Fd()))
+	if err != nil {
+		outputFile.Close()
+		os.Remove(outputFile.Name())
+		return err
+	}
+	stderrFile = outputFile
+	return nil
+}

experimental/libbox/platform.go

@@ -18,6 +18,7 @@ type PlatformInterface interface {
 	CloseDefaultInterfaceMonitor(listener InterfaceUpdateListener) error
 	UsePlatformInterfaceGetter() bool
 	GetInterfaces() (NetworkInterfaceIterator, error)
+	UnderNetworkExtension() bool
 }
 
 type TunInterface interface {

experimental/libbox/platform/interface.go

@@ -22,6 +22,7 @@ type Interface interface {
 	CreateDefaultInterfaceMonitor(errorHandler E.Handler) tun.DefaultInterfaceMonitor
 	UsePlatformInterfaceGetter() bool
 	Interfaces() ([]NetworkInterface, error)
+	UnderNetworkExtension() bool
 	process.Searcher
 	io.Writer
 }

experimental/libbox/service.go

@@ -16,6 +16,7 @@ import (
 	"github.com/sagernet/sing/common/control"
 	E "github.com/sagernet/sing/common/exceptions"
 	N "github.com/sagernet/sing/common/network"
+	"github.com/sagernet/sing/service/filemanager"
 )
 
 type BoxService struct {
@@ -30,6 +31,7 @@ func NewService(configContent string, platformInterface PlatformInterface) (*Box
 		return nil, err
 	}
 	ctx, cancel := context.WithCancel(context.Background())
+	ctx = filemanager.WithDefault(ctx, sBasePath, sTempPath, sUserID, sGroupID)
 	instance, err := box.New(box.Options{
 		Context:           ctx,
 		Options:           options,
@@ -167,3 +169,7 @@ func (w *platformInterfaceWrapper) Interfaces() ([]platform.NetworkInterface, er
 	}
 	return interfaces, nil
 }
+
+func (w *platformInterfaceWrapper) UnderNetworkExtension() bool {
+	return w.iif.UnderNetworkExtension()
+}

experimental/libbox/setup.go

@@ -1,13 +1,31 @@
 package libbox
 
 import (
+	"os"
+
 	C "github.com/sagernet/sing-box/constant"
 
 	"github.com/dustin/go-humanize"
 )
 
-func SetBasePath(path string) {
+var (
-	C.SetBasePath(path)
+	sBasePath string
+	sTempPath string
+	sUserID   int
+	sGroupID  int
+)
+
+func Setup(basePath string, tempPath string, userID int, groupID int) {
+	sBasePath = basePath
+	sTempPath = tempPath
+	sUserID = userID
+	sGroupID = groupID
+	if sUserID == -1 {
+		sUserID = os.Getuid()
+	}
+	if sGroupID == -1 {
+		sGroupID = os.Getgid()
+	}
 }
 
 func Version() string {

experimental/trackerconn/conn.go

@@ -1,108 +0,0 @@
-package trackerconn
-
-import (
-	"net"
-
-	"github.com/sagernet/sing/common/atomic"
-	"github.com/sagernet/sing/common/buf"
-	"github.com/sagernet/sing/common/bufio"
-	N "github.com/sagernet/sing/common/network"
-)
-
-func New(conn net.Conn, readCounter []*atomic.Int64, writeCounter []*atomic.Int64) *Conn {
-	return &Conn{bufio.NewExtendedConn(conn), readCounter, writeCounter}
-}
-
-func NewHook(conn net.Conn, readCounter func(n int64), writeCounter func(n int64)) *HookConn {
-	return &HookConn{bufio.NewExtendedConn(conn), readCounter, writeCounter}
-}
-
-type Conn struct {
-	N.ExtendedConn
-	readCounter  []*atomic.Int64
-	writeCounter []*atomic.Int64
-}
-
-func (c *Conn) Read(p []byte) (n int, err error) {
-	n, err = c.ExtendedConn.Read(p)
-	for _, counter := range c.readCounter {
-		counter.Add(int64(n))
-	}
-	return n, err
-}
-
-func (c *Conn) ReadBuffer(buffer *buf.Buffer) error {
-	err := c.ExtendedConn.ReadBuffer(buffer)
-	if err != nil {
-		return err
-	}
-	for _, counter := range c.readCounter {
-		counter.Add(int64(buffer.Len()))
-	}
-	return nil
-}
-
-func (c *Conn) Write(p []byte) (n int, err error) {
-	n, err = c.ExtendedConn.Write(p)
-	for _, counter := range c.writeCounter {
-		counter.Add(int64(n))
-	}
-	return n, err
-}
-
-func (c *Conn) WriteBuffer(buffer *buf.Buffer) error {
-	dataLen := int64(buffer.Len())
-	err := c.ExtendedConn.WriteBuffer(buffer)
-	if err != nil {
-		return err
-	}
-	for _, counter := range c.writeCounter {
-		counter.Add(dataLen)
-	}
-	return nil
-}
-
-func (c *Conn) Upstream() any {
-	return c.ExtendedConn
-}
-
-type HookConn struct {
-	N.ExtendedConn
-	readCounter  func(n int64)
-	writeCounter func(n int64)
-}
-
-func (c *HookConn) Read(p []byte) (n int, err error) {
-	n, err = c.ExtendedConn.Read(p)
-	c.readCounter(int64(n))
-	return n, err
-}
-
-func (c *HookConn) ReadBuffer(buffer *buf.Buffer) error {
-	err := c.ExtendedConn.ReadBuffer(buffer)
-	if err != nil {
-		return err
-	}
-	c.readCounter(int64(buffer.Len()))
-	return nil
-}
-
-func (c *HookConn) Write(p []byte) (n int, err error) {
-	n, err = c.ExtendedConn.Write(p)
-	c.writeCounter(int64(n))
-	return n, err
-}
-
-func (c *HookConn) WriteBuffer(buffer *buf.Buffer) error {
-	dataLen := int64(buffer.Len())
-	err := c.ExtendedConn.WriteBuffer(buffer)
-	if err != nil {
-		return err
-	}
-	c.writeCounter(dataLen)
-	return nil
-}
-
-func (c *HookConn) Upstream() any {
-	return c.ExtendedConn
-}

experimental/trackerconn/packet_conn.go

@@ -1,76 +0,0 @@
-package trackerconn
-
-import (
-	"github.com/sagernet/sing/common/atomic"
-	"github.com/sagernet/sing/common/buf"
-	M "github.com/sagernet/sing/common/metadata"
-	N "github.com/sagernet/sing/common/network"
-)
-
-func NewPacket(conn N.PacketConn, readCounter []*atomic.Int64, writeCounter []*atomic.Int64) *PacketConn {
-	return &PacketConn{conn, readCounter, writeCounter}
-}
-
-func NewHookPacket(conn N.PacketConn, readCounter func(n int64), writeCounter func(n int64)) *HookPacketConn {
-	return &HookPacketConn{conn, readCounter, writeCounter}
-}
-
-type PacketConn struct {
-	N.PacketConn
-	readCounter  []*atomic.Int64
-	writeCounter []*atomic.Int64
-}
-
-func (c *PacketConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, err error) {
-	destination, err = c.PacketConn.ReadPacket(buffer)
-	if err == nil {
-		for _, counter := range c.readCounter {
-			counter.Add(int64(buffer.Len()))
-		}
-	}
-	return
-}
-
-func (c *PacketConn) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
-	dataLen := int64(buffer.Len())
-	err := c.PacketConn.WritePacket(buffer, destination)
-	if err != nil {
-		return err
-	}
-	for _, counter := range c.writeCounter {
-		counter.Add(dataLen)
-	}
-	return nil
-}
-
-func (c *PacketConn) Upstream() any {
-	return c.PacketConn
-}
-
-type HookPacketConn struct {
-	N.PacketConn
-	readCounter  func(n int64)
-	writeCounter func(n int64)
-}
-
-func (c *HookPacketConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, err error) {
-	destination, err = c.PacketConn.ReadPacket(buffer)
-	if err == nil {
-		c.readCounter(int64(buffer.Len()))
-	}
-	return
-}
-
-func (c *HookPacketConn) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
-	dataLen := int64(buffer.Len())
-	err := c.PacketConn.WritePacket(buffer, destination)
-	if err != nil {
-		return err
-	}
-	c.writeCounter(dataLen)
-	return nil
-}
-
-func (c *HookPacketConn) Upstream() any {
-	return c.PacketConn
-}

experimental/v2rayapi/stats.go

@@ -10,9 +10,9 @@ import (
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/experimental/trackerconn"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing/common/atomic"
+	"github.com/sagernet/sing/common/bufio"
 	E "github.com/sagernet/sing/common/exceptions"
 	N "github.com/sagernet/sing/common/network"
 )
@@ -83,7 +83,7 @@ func (s *StatsService) RoutedConnection(inbound string, outbound string, user st
 		writeCounter = append(writeCounter, s.loadOrCreateCounter("user>>>"+user+">>>traffic>>>downlink"))
 	}
 	s.access.Unlock()
-	return trackerconn.New(conn, readCounter, writeCounter)
+	return bufio.NewInt64CounterConn(conn, readCounter, writeCounter)
 }
 
 func (s *StatsService) RoutedPacketConnection(inbound string, outbound string, user string, conn N.PacketConn) N.PacketConn {
@@ -109,7 +109,7 @@ func (s *StatsService) RoutedPacketConnection(inbound string, outbound string, u
 		writeCounter = append(writeCounter, s.loadOrCreateCounter("user>>>"+user+">>>traffic>>>downlink"))
 	}
 	s.access.Unlock()
-	return trackerconn.NewPacket(conn, readCounter, writeCounter)
+	return bufio.NewInt64CounterPacketConn(conn, readCounter, writeCounter)
 }
 
 func (s *StatsService) GetStats(ctx context.Context, request *GetStatsRequest) (*GetStatsResponse, error) {

go.mod

@@ -4,8 +4,8 @@ go 1.18
 
 require (
 	berty.tech/go-libtor v1.0.385
-	github.com/Dreamacro/clash v1.15.1
+	github.com/Dreamacro/clash v1.16.0
-	github.com/caddyserver/certmagic v0.17.2
+	github.com/caddyserver/certmagic v0.18.2
 	github.com/cretz/bine v0.2.0
 	github.com/dustin/go-humanize v1.0.1
 	github.com/fsnotify/fsnotify v1.6.0
@@ -13,82 +13,87 @@ require (
 	github.com/go-chi/cors v1.2.1
 	github.com/go-chi/render v1.0.2
 	github.com/gofrs/uuid/v5 v5.0.0
-	github.com/hashicorp/yamux v0.1.1
+	github.com/insomniacslk/dhcp v0.0.0-20230612134759-b20c9ba983df
-	github.com/insomniacslk/dhcp v0.0.0-20230516061539-49801966e6cb
 	github.com/logrusorgru/aurora v2.0.3+incompatible
-	github.com/mholt/acmez v1.1.1
+	github.com/mholt/acmez v1.2.0
-	github.com/miekg/dns v1.1.54
+	github.com/miekg/dns v1.1.55
-	github.com/ooni/go-libtor v1.1.7
+	github.com/ooni/go-libtor v1.1.8
-	github.com/oschwald/maxminddb-golang v1.10.0
+	github.com/oschwald/maxminddb-golang v1.11.0
 	github.com/pires/go-proxyproto v0.7.0
 	github.com/sagernet/cloudflare-tls v0.0.0-20221031050923-d70792f4c3a0
 	github.com/sagernet/gomobile v0.0.0-20230413023804-244d7ff07035
-	github.com/sagernet/quic-go v0.0.0-20230202071646-a8c8afb18b32
+	github.com/sagernet/gvisor v0.0.0-20230627031050-1ab0276e0dd2
+	github.com/sagernet/quic-go v0.0.0-20230615020047-10f05c797c02
 	github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691
-	github.com/sagernet/sing v0.2.4
+	github.com/sagernet/sing v0.2.7
-	github.com/sagernet/sing-dns v0.1.5-0.20230415085626-111ecf799dfc
+	github.com/sagernet/sing-dns v0.1.6
-	github.com/sagernet/sing-shadowsocks v0.2.2-0.20230417102954-f77257340507
+	github.com/sagernet/sing-mux v0.1.0
-	github.com/sagernet/sing-shadowtls v0.1.2-0.20230417103049-4f682e05f19b
+	github.com/sagernet/sing-shadowsocks v0.2.2
-	github.com/sagernet/sing-tun v0.1.4
+	github.com/sagernet/sing-shadowsocks2 v0.1.1
-	github.com/sagernet/sing-vmess v0.1.5-0.20230417103030-8c3070ae3fb3
+	github.com/sagernet/sing-shadowtls v0.1.2
+	github.com/sagernet/sing-tun v0.1.8
+	github.com/sagernet/sing-vmess v0.1.6
 	github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37
 	github.com/sagernet/tfo-go v0.0.0-20230303015439-ffcfd8c41cf9
 	github.com/sagernet/utls v0.0.0-20230309024959-6732c2ab36f2
 	github.com/sagernet/websocket v0.0.0-20220913015213-615516348b4e
-	github.com/sagernet/wireguard-go v0.0.0-20221116151939-c99467f53f2c
+	github.com/sagernet/wireguard-go v0.0.0-20230420044414-a7bac1754e77
 	github.com/spf13/cobra v1.7.0
-	github.com/stretchr/testify v1.8.3
+	github.com/stretchr/testify v1.8.4
 	go.etcd.io/bbolt v1.3.7
 	go.uber.org/zap v1.24.0
 	go4.org/netipx v0.0.0-20230303233057-f1b76eb4bb35
-	golang.org/x/crypto v0.9.0
+	golang.org/x/crypto v0.10.0
-	golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc
+	golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1
-	golang.org/x/net v0.10.0
+	golang.org/x/net v0.11.0
-	golang.org/x/sys v0.8.0
+	golang.org/x/sys v0.9.0
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6
-	google.golang.org/grpc v1.55.0
+	google.golang.org/grpc v1.56.1
 	google.golang.org/protobuf v1.30.0
-	gvisor.dev/gvisor v0.0.0-20220901235040-6ca97ef2ce1c
 )
 
 //replace github.com/sagernet/sing => ../sing
 
 require (
+	github.com/Dreamacro/protobytes v0.0.0-20230324064118-87bc784139cd // indirect
 	github.com/ajg/form v1.5.1 // indirect
 	github.com/andybalholm/brotli v1.0.5 // indirect
 	github.com/cloudflare/circl v1.2.1-0.20221019164342-6ab4dfed8f3c // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
-	github.com/golang/mock v1.6.0 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/btree v1.0.1 // indirect
+	github.com/google/btree v1.1.2 // indirect
 	github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect
+	github.com/hashicorp/yamux v0.1.1 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // 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/klauspost/cpuid/v2 v2.2.5 // indirect
 	github.com/libdns/libdns v0.2.1 // indirect
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/onsi/ginkgo/v2 v2.2.0 // indirect
 	github.com/pierrec/lz4/v4 v4.1.14 // 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-go1-19 v0.3.2 // indirect
-	github.com/quic-go/qtls-go1-20 v0.1.0 // indirect
+	github.com/quic-go/qtls-go1-20 v0.2.2 // 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/scjalliance/comshim v0.0.0-20230315213746-5e51f40bd3b9 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923 // indirect
 	github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 // indirect
-	go.uber.org/atomic v1.10.0 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
-	go.uber.org/multierr v1.10.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/mod v0.8.0 // indirect
+	golang.org/x/mod v0.11.0 // indirect
-	golang.org/x/text v0.9.0 // indirect
+	golang.org/x/text v0.10.0 // indirect
-	golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect
+	golang.org/x/time v0.3.0 // indirect
-	golang.org/x/tools v0.6.0 // indirect
+	golang.org/x/tools v0.10.0 // indirect
-	google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 // indirect
+	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 // indirect
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	lukechampine.com/blake3 v1.1.7 // indirect
+	lukechampine.com/blake3 v1.2.1 // indirect
 )

go.sum

@@ -1,14 +1,16 @@
 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 v1.15.1 h1:AwwtrVYbeXg9ZCxpPxAurGXwaR3FxDdHv3rB/vAGXj4=
+github.com/Dreamacro/clash v1.16.0 h1:Ve+8mvtsCv7ySa6f53/GOW6Tho0AFp5RNFsgQZFKcZs=
-github.com/Dreamacro/clash v1.15.1/go.mod h1:WNH69bN11LiAdgdSr4hpkEuXVMfBbWyhEKMCTx9BtNE=
+github.com/Dreamacro/clash v1.16.0/go.mod h1:ZM3UI2gqqUN7UL7L/F9aTHODTByya6sbC/WivQpaoJk=
+github.com/Dreamacro/protobytes v0.0.0-20230324064118-87bc784139cd h1:ygk7IF14j4ep4H2ZyeDe3IEoMZF8JdbX851RVVa/4D8=
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 github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
 github.com/andybalholm/brotli v1.0.5 h1:8uQZIdzKmjc/iuPu7O2ioW48L81FgatrcpfFmiq/cCs=
 github.com/andybalholm/brotli v1.0.5/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
-github.com/caddyserver/certmagic v0.17.2 h1:o30seC1T/dBqBCNNGNHWwj2i5/I/FMjBbTAhjADP3nE=
+github.com/caddyserver/certmagic v0.18.2 h1:Nj2+M+A2Ho9IF6n1wUSbra4mX1X6ALzWpul9HooprHA=
-github.com/caddyserver/certmagic v0.17.2/go.mod h1:ouWUuC490GOLJzkyN35eXfV8bSbwMwSf4bdhkIxtdQE=
+github.com/caddyserver/certmagic v0.18.2/go.mod h1:cLsgYXecH1iVUPjDXw15/1SKjZk/TK+aFfQk5FnugGQ=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -31,17 +33,18 @@ github.com/go-chi/cors v1.2.1 h1:xEC8UT3Rlp2QuWNEr4Fs/c2EAGVKBwy/1vHx3bppil4=
 github.com/go-chi/cors v1.2.1/go.mod h1:sSbTewc+6wYHBBCW7ytsFSn836hqM7JxpglAy2Vzc58=
 github.com/go-chi/render v1.0.2 h1:4ER/udB0+fMWB2Jlf15RV3F4A2FDuYi/9f+lFttR/Lg=
 github.com/go-chi/render v1.0.2/go.mod h1:/gr3hVkmYR0YlEy3LxCuVRFzEu9Ruok+gFqbIofjao0=
+github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
+github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 h1:p104kn46Q8WdvHunIJ9dAyjPVtrBPhSr3KT2yUst43I=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/gofrs/uuid/v5 v5.0.0 h1:p544++a97kEL+svbcFbCQVM9KFu0Yo25UoISXGNNH9M=
 github.com/gofrs/uuid/v5 v5.0.0/go.mod h1:CDOjlDMVAtN56jqyRUZh58JT31Tiw7/oQyEXZV+9bD8=
 github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
-github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
 github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
-github.com/google/btree v1.0.1 h1:gK4Kx5IaGY9CD5sPJ36FHiBJ6ZXl0kilRiiCj+jdYp4=
+github.com/google/btree v1.1.2 h1:xf4v41cLI2Z6FxbKm+8Bu+m8ifhj15JuZ9sa0jZCMUU=
-github.com/google/btree v1.0.1/go.mod h1:xXMiIv4Fb/0kKde4SpL7qlzvu5cMJDRkFDxJfI9uaxA=
+github.com/google/btree v1.1.2/go.mod h1:qOPhT0dTNdNzV6Z/lhRX0YXUafgPLFUh+gZMl761Gm4=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 h1:yAJXTCF9TqKcTiHJAE8dj7HMvPfh66eeA2JYW7eFpSE=
@@ -51,16 +54,15 @@ 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 v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/insomniacslk/dhcp v0.0.0-20230516061539-49801966e6cb h1:6fDKEAXwe3rsfS4khW3EZ8kEqmSiV9szhMPcDrD+Y7Q=
+github.com/insomniacslk/dhcp v0.0.0-20230612134759-b20c9ba983df h1:pF1MMIzEJzJ/MyI4bXYXVYyN8CJgoQ2PPKT2z3O/Cl4=
-github.com/insomniacslk/dhcp v0.0.0-20230516061539-49801966e6cb/go.mod h1:7474bZ1YNCvarT6WFKie4kEET6J0KYRDC4XJqqXzQW4=
+github.com/insomniacslk/dhcp v0.0.0-20230612134759-b20c9ba983df/go.mod h1:7474bZ1YNCvarT6WFKie4kEET6J0KYRDC4XJqqXzQW4=
 github.com/josharian/native v1.0.1-0.20221213033349-c1e37c09b531/go.mod h1:7X/raswPFr05uY3HiLlYeyQntB6OO7E/d2Cu7qoaN2w=
 github.com/josharian/native v1.1.0 h1:uuaP0hAbW7Y4l0ZRQ6C9zfb7Mg1mbFKry/xzDAfmtLA=
 github.com/josharian/native v1.1.0/go.mod h1:7X/raswPFr05uY3HiLlYeyQntB6OO7E/d2Cu7qoaN2w=
 github.com/klauspost/compress v1.15.15 h1:EF27CXIuDsYJ6mmvtBRlEuB2UVOqHG1tAXgZ7yIO+lw=
 github.com/klauspost/compress v1.15.15/go.mod h1:ZcK2JAFqKOpnBlxcLsJzYfrS9X1akm9fHZNnD9+Vo/4=
-github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
+github.com/klauspost/cpuid/v2 v2.2.5 h1:0E5MSMDEoAulmXNFquVs//DdoomxaoTY1kUhbc/qbZg=
-github.com/klauspost/cpuid/v2 v2.1.1 h1:t0wUqjowdm8ezddV5k0tLWVklVuvLJpoHeb4WBdydm0=
+github.com/klauspost/cpuid/v2 v2.2.5/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
-github.com/klauspost/cpuid/v2 v2.1.1/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@@ -68,34 +70,35 @@ github.com/libdns/libdns v0.2.1 h1:Wu59T7wSHRgtA0cfxC+n1c/e+O3upJGWytknkmFEDis=
 github.com/libdns/libdns v0.2.1/go.mod h1:yQCXzk1lEZmmCPa857bnk4TsOiqYasqpyOEeSObbb40=
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-github.com/mholt/acmez v1.1.1 h1:sYeeYd/EHVm9cSmLdWey5oW/fXFVAq5pNLjSczN2ZUg=
+github.com/mholt/acmez v1.2.0 h1:1hhLxSgY5FvH5HCnGUuwbKY2VQVo8IU7rxXKSnZ7F30=
-github.com/mholt/acmez v1.1.1/go.mod h1:VT9YwH1xgNX1kmYY89gY8xPJC84BFAisjo8Egigt4kE=
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-github.com/miekg/dns v1.1.54 h1:5jon9mWcb0sFJGpnI99tOMhCPyJ+RPVz5b63MQG0VWI=
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-github.com/miekg/dns v1.1.54/go.mod h1:uInx36IzPl7FYnDcMeVWxj9byh7DutNykX4G9Sj60FY=
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 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
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-github.com/ooni/go-libtor v1.1.7 h1:ooVcdEPBqDox5OfeXAfXIeQFCbqMLJVfIpO+Irr7N9A=
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 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/sagernet/cloudflare-tls v0.0.0-20221031050923-d70792f4c3a0 h1:KyhtFFt1Jtp5vW2ohNvstvQffTOQ/s5vENuGXzdA+TM=
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@@ -103,26 +106,32 @@ github.com/sagernet/go-tun2socks v1.16.12-0.20220818015926-16cb67876a61 h1:5+m7c
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-golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
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-golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.10.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
-golang.org/x/time v0.0.0-20191024005414-555d28b269f0 h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs=
+golang.org/x/time v0.3.0 h1:rg5rLMjNzMS1RkNLzCG38eapWhnYLFYXDXj2gOlr8j4=
-golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.3.0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 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 v0.10.0 h1:tvDr/iQoUqNdohiYm0LmmKcBk+q86lb9EprIUFhHHGg=
-golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
+golang.org/x/tools v0.10.0/go.mod h1:UJwyiVBsOA2uwvK/e5OY3GTpDUJriEd+/YlqAwLPmyM=
-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=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6 h1:CawjfCvYQH2OU3/TnxLx97WDSUDRABfT18pCOYwc2GE=
 golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6/go.mod h1:3rxYc4HtVcSG9gVaTs2GEBdehh+sYPOwKtyUWEOTb80=
-google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 h1:DdoeryqhaXp1LtT/emMP1BRJPHHKFi5akj/nbx/zNTA=
+google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 h1:KpwkzHKEF7B9Zxg18WzOa7djJ+Ha5DzthMyZYQfEn2A=
-google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4/go.mod h1:NWraEVixdDnqcqQ30jipen1STv2r/n24Wb7twVTGR4s=
+google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1/go.mod h1:nKE/iIaLqn2bQwXBg8f1g2Ylh6r5MN5CmZvuzZCgsCU=
-google.golang.org/grpc v1.55.0 h1:3Oj82/tFSCeUrRTg/5E/7d/W5A1tj6Ky1ABAuZuv5ag=
+google.golang.org/grpc v1.56.1 h1:z0dNfjIl0VpaZ9iSVjA6daGatAYwPGstTjt5vkRMFkQ=
-google.golang.org/grpc v1.55.0/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8=
+google.golang.org/grpc v1.56.1/go.mod h1:I9bI3vqKfayGqPUAwGdOSu7kt6oIJLixfffKrpXqQ9s=
 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 v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
@@ -231,7 +223,5 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gvisor.dev/gvisor v0.0.0-20220901235040-6ca97ef2ce1c h1:m5lcgWnL3OElQNVyp3qcncItJ2c0sQlSGjYK2+nJTA4=
+lukechampine.com/blake3 v1.2.1 h1:YuqqRuaqsGV71BV/nm9xlI0MKUv4QC54jQnBChWbGnI=
-gvisor.dev/gvisor v0.0.0-20220901235040-6ca97ef2ce1c/go.mod h1:TIvkJD0sxe8pIob3p6T8IzxXunlp6yfgktvTNp+DGNM=
+lukechampine.com/blake3 v1.2.1/go.mod h1:0OFRp7fBtAylGVCO40o87sbupkyIGgbpv1+M1k1LM6k=
-lukechampine.com/blake3 v1.1.7 h1:GgRMhmdsuK8+ii6UZFDL8Nb+VyMwadAgcJyfYHxG6n0=
-lukechampine.com/blake3 v1.1.7/go.mod h1:tkKEOtDkNtklkXtLNEOGNq5tcV90tJiA1vAA12R78LA=

inbound/hysteria.go

@@ -35,7 +35,7 @@ type Hysteria struct {
 	xplusKey     []byte
 	sendBPS      uint64
 	recvBPS      uint64
-	listener     quic.Listener
+	listener     *quic.Listener
 	udpAccess    sync.RWMutex
 	udpSessionId uint32
 	udpSessions  map[uint32]chan *hysteria.UDPMessage

inbound/shadowsocks_multi.go

@@ -9,6 +9,8 @@ import (
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing-shadowsocks"
+	"github.com/sagernet/sing-shadowsocks/shadowaead"
 	"github.com/sagernet/sing-shadowsocks/shadowaead_2022"
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/auth"
@@ -25,7 +27,7 @@ var (
 
 type ShadowsocksMulti struct {
 	myInboundAdapter
-	service *shadowaead_2022.MultiService[int]
+	service shadowsocks.MultiService[int]
 	users   []option.ShadowsocksUser
 }
 
@@ -49,16 +51,26 @@ func newShadowsocksMulti(ctx context.Context, router adapter.Router, logger log.
 	} else {
 		udpTimeout = int64(C.UDPTimeout.Seconds())
 	}
-	if !common.Contains(shadowaead_2022.List, options.Method) {
+	var (
+		service shadowsocks.MultiService[int]
+		err     error
+	)
+	if common.Contains(shadowaead_2022.List, options.Method) {
+		service, err = shadowaead_2022.NewMultiServiceWithPassword[int](
+			options.Method,
+			options.Password,
+			udpTimeout,
+			adapter.NewUpstreamContextHandler(inbound.newConnection, inbound.newPacketConnection, inbound),
+			router.TimeFunc(),
+		)
+	} else if common.Contains(shadowaead.List, options.Method) {
+		service, err = shadowaead.NewMultiService[int](
+			options.Method,
+			udpTimeout,
+			adapter.NewUpstreamContextHandler(inbound.newConnection, inbound.newPacketConnection, inbound))
+	} else {
 		return nil, E.New("unsupported method: " + options.Method)
 	}
-	service, err := shadowaead_2022.NewMultiServiceWithPassword[int](
-		options.Method,
-		options.Password,
-		udpTimeout,
-		adapter.NewUpstreamContextHandler(inbound.newConnection, inbound.newPacketConnection, inbound),
-		router.TimeFunc(),
-	)
 	if err != nil {
 		return nil, err
 	}

inbound/tun.go

@@ -38,10 +38,6 @@ type Tun struct {
 }
 
 func NewTun(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.TunInboundOptions, platformInterface platform.Interface) (*Tun, error) {
-	tunName := options.InterfaceName
-	if tunName == "" {
-		tunName = tun.CalculateInterfaceName("")
-	}
 	tunMTU := options.MTU
 	if tunMTU == 0 {
 		tunMTU = 9000
@@ -75,7 +71,7 @@ func NewTun(ctx context.Context, router adapter.Router, logger log.ContextLogger
 		logger:         logger,
 		inboundOptions: options.InboundOptions,
 		tunOptions: tun.Options{
-			Name:               tunName,
+			Name:               options.InterfaceName,
 			MTU:                tunMTU,
 			Inet4Address:       common.Map(options.Inet4Address, option.ListenPrefix.Build),
 			Inet6Address:       common.Map(options.Inet6Address, option.ListenPrefix.Build),
@@ -141,12 +137,17 @@ func (t *Tun) Tag() string {
 
 func (t *Tun) Start() error {
 	if C.IsAndroid && t.platformInterface == nil {
+		t.logger.Trace("building android rules")
 		t.tunOptions.BuildAndroidRules(t.router.PackageManager(), t)
 	}
+	if t.tunOptions.Name == "" {
+		t.tunOptions.Name = tun.CalculateInterfaceName("")
+	}
 	var (
 		tunInterface tun.Tun
 		err          error
 	)
+	t.logger.Trace("opening interface")
 	if t.platformInterface != nil {
 		tunInterface, err = t.platformInterface.OpenTun(&t.tunOptions, t.platformOptions)
 	} else {
@@ -155,6 +156,7 @@ func (t *Tun) Start() error {
 	if err != nil {
 		return E.Cause(err, "configure tun interface")
 	}
+	t.logger.Trace("creating stack")
 	t.tunIf = tunInterface
 	t.tunStack, err = tun.NewStack(t.stack, tun.StackOptions{
 		Context:                t.ctx,
@@ -168,10 +170,12 @@ func (t *Tun) Start() error {
 		Handler:                t,
 		Logger:                 t.logger,
 		ForwarderBindInterface: t.platformInterface != nil,
+		InterfaceFinder:        t.router.InterfaceFinder(),
 	})
 	if err != nil {
 		return err
 	}
+	t.logger.Trace("starting stack")
 	err = t.tunStack.Start()
 	if err != nil {
 		return err

include/clashapi_stub.go

@@ -3,6 +3,8 @@
 package include
 
 import (
+	"context"
+
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/experimental"
 	"github.com/sagernet/sing-box/log"
@@ -11,7 +13,7 @@ import (
 )
 
 func init() {
-	experimental.RegisterClashServerConstructor(func(router adapter.Router, logFactory log.ObservableFactory, options option.ClashAPIOptions) (adapter.ClashServer, error) {
+	experimental.RegisterClashServerConstructor(func(ctx context.Context, router adapter.Router, logFactory log.ObservableFactory, options option.ClashAPIOptions) (adapter.ClashServer, error) {
 		return nil, E.New(`clash api is not included in this build, rebuild with -tags with_clash_api`)
 	})
 }

log/log.go

@@ -1,14 +1,15 @@
 package log
 
 import (
+	"context"
 	"io"
 	"os"
 	"time"
 
-	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/service/filemanager"
 )
 
 type factoryWithFile struct {
@@ -36,6 +37,7 @@ func (f *observableFactoryWithFile) Close() error {
 }
 
 type Options struct {
+	Context        context.Context
 	Options        option.LogOptions
 	Observable     bool
 	DefaultWriter  io.Writer
@@ -65,7 +67,7 @@ func New(options Options) (Factory, error) {
 		logWriter = os.Stdout
 	default:
 		var err error
-		logFile, err = os.OpenFile(C.BasePath(logOptions.Output), os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o644)
+		logFile, err = filemanager.OpenFile(options.Context, logOptions.Output, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o644)
 		if err != nil {
 			return nil, err
 		}

mkdocs.yml

@@ -48,6 +48,7 @@ nav:
           - configuration/dns/index.md
           - DNS Server: configuration/dns/server.md
           - DNS Rule: configuration/dns/rule.md
+          - FakeIP: configuration/dns/fakeip.md
       - NTP:
           - configuration/ntp/index.md
       - Route:
@@ -102,6 +103,7 @@ nav:
           - URLTest: configuration/outbound/urltest.md
   - FAQ:
       - faq/index.md
+      - FakeIP: faq/fakeip.md
       - Known Issues: faq/known-issues.md
   - Examples:
       - examples/index.md
@@ -111,6 +113,8 @@ nav:
       - Shadowsocks: examples/shadowsocks.md
       - ShadowTLS: examples/shadowtls.md
       - Clash API: examples/clash-api.md
+      - WireGuard Direct: examples/wireguard-direct.md
+      - FakeIP: examples/fakeip.md
   - Contributing:
       - contributing/index.md
       - Developing:

option/clash.go

@@ -1,12 +1,16 @@
 package option
 
 type ClashAPIOptions struct {
-	ExternalController string `json:"external_controller,omitempty"`
+	ExternalController       string `json:"external_controller,omitempty"`
-	ExternalUI         string `json:"external_ui,omitempty"`
+	ExternalUI               string `json:"external_ui,omitempty"`
-	Secret             string `json:"secret,omitempty"`
+	ExternalUIDownloadURL    string `json:"external_ui_download_url,omitempty"`
-	DefaultMode        string `json:"default_mode,omitempty"`
+	ExternalUIDownloadDetour string `json:"external_ui_download_detour,omitempty"`
-	StoreSelected      bool   `json:"store_selected,omitempty"`
+	Secret                   string `json:"secret,omitempty"`
-	CacheFile          string `json:"cache_file,omitempty"`
+	DefaultMode              string `json:"default_mode,omitempty"`
+	StoreSelected            bool   `json:"store_selected,omitempty"`
+	StoreFakeIP              bool   `json:"store_fakeip,omitempty"`
+	CacheFile                string `json:"cache_file,omitempty"`
+	CacheID                  string `json:"cache_id,omitempty"`
 }
 
 type SelectorOutboundOptions struct {

option/debug.go

@@ -7,6 +7,7 @@ import (
 )
 
 type DebugOptions struct {
+	Listen       string      `json:"listen,omitempty"`
 	GCPercent    *int        `json:"gc_percent,omitempty"`
 	MaxStack     *int        `json:"max_stack,omitempty"`
 	MaxThreads   *int        `json:"max_threads,omitempty"`

option/dns.go

@@ -1,27 +1,14 @@
 package option
 
-import (
-	"reflect"
-
-	"github.com/sagernet/sing-box/common/json"
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing/common"
-	E "github.com/sagernet/sing/common/exceptions"
-)
-
 type DNSOptions struct {
-	Servers []DNSServerOptions `json:"servers,omitempty"`
+	Servers        []DNSServerOptions `json:"servers,omitempty"`
-	Rules   []DNSRule          `json:"rules,omitempty"`
+	Rules          []DNSRule          `json:"rules,omitempty"`
-	Final   string             `json:"final,omitempty"`
+	Final          string             `json:"final,omitempty"`
+	ReverseMapping bool               `json:"reverse_mapping,omitempty"`
+	FakeIP         *DNSFakeIPOptions  `json:"fakeip,omitempty"`
 	DNSClientOptions
 }
 
-type DNSClientOptions struct {
-	Strategy      DomainStrategy `json:"strategy,omitempty"`
-	DisableCache  bool           `json:"disable_cache,omitempty"`
-	DisableExpire bool           `json:"disable_expire,omitempty"`
-}
-
 type DNSServerOptions struct {
 	Tag                  string         `json:"tag,omitempty"`
 	Address              string         `json:"address"`
@@ -32,96 +19,15 @@ type DNSServerOptions struct {
 	Detour               string         `json:"detour,omitempty"`
 }
 
-type _DNSRule struct {
+type DNSClientOptions struct {
-	Type           string         `json:"type,omitempty"`
+	Strategy         DomainStrategy `json:"strategy,omitempty"`
-	DefaultOptions DefaultDNSRule `json:"-"`
+	DisableCache     bool           `json:"disable_cache,omitempty"`
-	LogicalOptions LogicalDNSRule `json:"-"`
+	DisableExpire    bool           `json:"disable_expire,omitempty"`
+	IndependentCache bool           `json:"independent_cache,omitempty"`
 }
 
-type DNSRule _DNSRule
+type DNSFakeIPOptions struct {
-
+	Enabled    bool          `json:"enabled,omitempty"`
-func (r DNSRule) MarshalJSON() ([]byte, error) {
+	Inet4Range *ListenPrefix `json:"inet4_range,omitempty"`
-	var v any
+	Inet6Range *ListenPrefix `json:"inet6_range,omitempty"`
-	switch r.Type {
-	case C.RuleTypeDefault:
-		r.Type = ""
-		v = r.DefaultOptions
-	case C.RuleTypeLogical:
-		v = r.LogicalOptions
-	default:
-		return nil, E.New("unknown rule type: " + r.Type)
-	}
-	return MarshallObjects((_DNSRule)(r), v)
-}
-
-func (r *DNSRule) UnmarshalJSON(bytes []byte) error {
-	err := json.Unmarshal(bytes, (*_DNSRule)(r))
-	if err != nil {
-		return err
-	}
-	var v any
-	switch r.Type {
-	case "", C.RuleTypeDefault:
-		r.Type = C.RuleTypeDefault
-		v = &r.DefaultOptions
-	case C.RuleTypeLogical:
-		v = &r.LogicalOptions
-	default:
-		return E.New("unknown rule type: " + r.Type)
-	}
-	err = UnmarshallExcluded(bytes, (*_DNSRule)(r), v)
-	if err != nil {
-		return E.Cause(err, "dns route rule")
-	}
-	return nil
-}
-
-type DefaultDNSRule struct {
-	Inbound         Listable[string]       `json:"inbound,omitempty"`
-	IPVersion       int                    `json:"ip_version,omitempty"`
-	QueryType       Listable[DNSQueryType] `json:"query_type,omitempty"`
-	Network         string                 `json:"network,omitempty"`
-	AuthUser        Listable[string]       `json:"auth_user,omitempty"`
-	Protocol        Listable[string]       `json:"protocol,omitempty"`
-	Domain          Listable[string]       `json:"domain,omitempty"`
-	DomainSuffix    Listable[string]       `json:"domain_suffix,omitempty"`
-	DomainKeyword   Listable[string]       `json:"domain_keyword,omitempty"`
-	DomainRegex     Listable[string]       `json:"domain_regex,omitempty"`
-	Geosite         Listable[string]       `json:"geosite,omitempty"`
-	SourceGeoIP     Listable[string]       `json:"source_geoip,omitempty"`
-	SourceIPCIDR    Listable[string]       `json:"source_ip_cidr,omitempty"`
-	SourcePort      Listable[uint16]       `json:"source_port,omitempty"`
-	SourcePortRange Listable[string]       `json:"source_port_range,omitempty"`
-	Port            Listable[uint16]       `json:"port,omitempty"`
-	PortRange       Listable[string]       `json:"port_range,omitempty"`
-	ProcessName     Listable[string]       `json:"process_name,omitempty"`
-	ProcessPath     Listable[string]       `json:"process_path,omitempty"`
-	PackageName     Listable[string]       `json:"package_name,omitempty"`
-	User            Listable[string]       `json:"user,omitempty"`
-	UserID          Listable[int32]        `json:"user_id,omitempty"`
-	Outbound        Listable[string]       `json:"outbound,omitempty"`
-	ClashMode       string                 `json:"clash_mode,omitempty"`
-	Invert          bool                   `json:"invert,omitempty"`
-	Server          string                 `json:"server,omitempty"`
-	DisableCache    bool                   `json:"disable_cache,omitempty"`
-}
-
-func (r DefaultDNSRule) IsValid() bool {
-	var defaultValue DefaultDNSRule
-	defaultValue.Invert = r.Invert
-	defaultValue.Server = r.Server
-	defaultValue.DisableCache = r.DisableCache
-	return !reflect.DeepEqual(r, defaultValue)
-}
-
-type LogicalDNSRule struct {
-	Mode         string           `json:"mode"`
-	Rules        []DefaultDNSRule `json:"rules,omitempty"`
-	Invert       bool             `json:"invert,omitempty"`
-	Server       string           `json:"server,omitempty"`
-	DisableCache bool             `json:"disable_cache,omitempty"`
-}
-
-func (r LogicalDNSRule) IsValid() bool {
-	return len(r.Rules) > 0 && common.All(r.Rules, DefaultDNSRule.IsValid)
 }

option/outbound.go

@@ -150,4 +150,5 @@ type MultiplexOptions struct {
 	MaxConnections int    `json:"max_connections,omitempty"`
 	MinStreams     int    `json:"min_streams,omitempty"`
 	MaxStreams     int    `json:"max_streams,omitempty"`
+	Padding        bool   `json:"padding,omitempty"`
 }