documentation: Bump version

.github/workflows/debug.yml

@@ -3,7 +3,6 @@ name: Debug build
 on:
   push:
     branches:
-      - stable-next
       - main-next
       - dev-next
     paths-ignore:
@@ -12,7 +11,6 @@ on:
       - '!.github/workflows/debug.yml'
   pull_request:
     branches:
-      - stable-next
       - main-next
       - dev-next
 

.github/workflows/lint.yml

@@ -3,7 +3,6 @@ name: Lint
 on:
   push:
     branches:
-      - stable-next
       - main-next
       - dev-next
     paths-ignore:
@@ -12,7 +11,6 @@ on:
       - '!.github/workflows/lint.yml'
   pull_request:
     branches:
-      - stable-next
       - main-next
       - dev-next
 
@@ -36,6 +34,4 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:
-          version: latest
-          args: --timeout=30m
-          install-mode: binary
+          version: latest

.goreleaser.yaml

@@ -36,35 +36,6 @@ builds:
       - darwin_amd64_v3
       - darwin_arm64
     mod_timestamp: '{{ .CommitTimestamp }}'
-  - id: legacy
-    main: ./cmd/sing-box
-    flags:
-      - -v
-      - -trimpath
-    asmflags:
-      - all=-trimpath={{.Env.GOPATH}}
-    gcflags:
-      - all=-trimpath={{.Env.GOPATH}}
-    ldflags:
-      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }} -s -w -buildid=
-    tags:
-      - with_gvisor
-      - with_quic
-      - with_dhcp
-      - with_wireguard
-      - with_ech
-      - with_utls
-      - with_reality_server
-      - with_clash_api
-    env:
-      - CGO_ENABLED=0
-      - GOROOT=/nix/store/5h8gjl89zx8qxgc572wa3k81zplv8v4z-go-1.20.10/share/go
-    gobinary: /nix/store/5h8gjl89zx8qxgc572wa3k81zplv8v4z-go-1.20.10/bin/go
-    targets:
-      - windows_amd64_v1
-      - windows_386
-      - darwin_amd64_v1
-    mod_timestamp: '{{ .CommitTimestamp }}'
   - id: android
     main: ./cmd/sing-box
     flags:
@@ -119,9 +90,6 @@ snapshot:
   name_template: "{{ .Version }}.{{ .ShortCommit }}"
 archives:
   - id: archive
-    builds:
-      - main
-      - android
     format: tar.gz
     format_overrides:
       - goos: windows
@@ -130,17 +98,6 @@ archives:
     files:
       - LICENSE
     name_template: '{{ .ProjectName }}-{{ .Version }}-{{ .Os }}-{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ with .Mips }}_{{ . }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
-  - id: archive-legacy
-    builds:
-      - legacy
-    format: tar.gz
-    format_overrides:
-      - goos: windows
-        format: zip
-    wrap_in_directory: true
-    files:
-      - LICENSE
-    name_template: '{{ .ProjectName }}-{{ .Version }}-{{ .Os }}-{{ .Arch }}-legacy'
 nfpms:
   - id: package
     package_name: sing-box

Makefile

@@ -63,7 +63,7 @@ release:
 	mkdir dist/release
 	mv dist/*.tar.gz dist/*.zip dist/*.deb dist/*.rpm dist/release
 	ghr --replace --draft --prerelease -p 3 "v${VERSION}" dist/release
-	rm -r dist/release
+	rm -r dist
 
 release_install:
 	go install -v github.com/goreleaser/goreleaser@latest
@@ -93,7 +93,7 @@ build_ios:
 
 upload_ios_app_store:
 	cd ../sing-box-for-apple && \
-	xcodebuild -exportArchive -archivePath build/SFI.xcarchive -exportOptionsPlist SFI/Upload.plist -allowProvisioningUpdates
+	xcodebuild -exportArchive -archivePath build/SFI.xcarchive -exportOptionsPlist SFI/Upload.plist
 
 release_ios: build_ios upload_ios_app_store
 
@@ -104,7 +104,7 @@ build_macos:
 
 upload_macos_app_store:
 	cd ../sing-box-for-apple && \
-	xcodebuild -exportArchive -archivePath build/SFM.xcarchive -exportOptionsPlist SFI/Upload.plist  -allowProvisioningUpdates
+	xcodebuild -exportArchive -archivePath build/SFM.xcarchive -exportOptionsPlist SFI/Upload.plist
 
 release_macos: build_macos upload_macos_app_store
 
@@ -115,7 +115,7 @@ build_macos_independent:
 
 notarize_macos_independent:
 	cd ../sing-box-for-apple && \
-	xcodebuild -exportArchive -archivePath "build/SFM.System.xcarchive" -exportOptionsPlist SFM.System/Upload.plist  -allowProvisioningUpdates
+	xcodebuild -exportArchive -archivePath "build/SFM.System.xcarchive" -exportOptionsPlist SFM.System/Upload.plist
 
 wait_notarize_macos_independent:
 	sleep 60
@@ -141,7 +141,7 @@ build_tvos:
 
 upload_tvos_app_store:
 	cd ../sing-box-for-apple && \
-	xcodebuild -exportArchive -archivePath "build/SFT.xcarchive" -exportOptionsPlist SFI/Upload.plist  -allowProvisioningUpdates
+	xcodebuild -exportArchive -archivePath "build/SFT.xcarchive" -exportOptionsPlist SFI/Upload.plist
 
 release_tvos: build_tvos upload_tvos_app_store
 

adapter/inbound.go

@@ -75,11 +75,3 @@ func AppendContext(ctx context.Context) (context.Context, *InboundContext) {
 	metadata = new(InboundContext)
 	return WithContext(ctx, metadata), metadata
 }
-
-func ExtendContext(ctx context.Context) (context.Context, *InboundContext) {
-	var newMetadata InboundContext
-	if metadata := ContextFrom(ctx); metadata != nil {
-		newMetadata = *metadata
-	}
-	return WithContext(ctx, &newMetadata), &newMetadata
-}

adapter/v2ray.go

@@ -5,6 +5,7 @@ import (
 	"net"
 
 	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 )
 
@@ -18,6 +19,7 @@ type V2RayServerTransport interface {
 type V2RayServerTransportHandler interface {
 	N.TCPConnectionHandler
 	E.Handler
+	FallbackConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error
 }
 
 type V2RayClientTransport interface {

box_outbound.go

@@ -69,7 +69,7 @@ func (s *Box) startOutbounds() error {
 			}
 			problemOutbound := outbounds[problemOutboundTag]
 			if problemOutbound == nil {
-				return E.New("dependency[", problemOutboundTag, "] not found for outbound[", outboundTags[oCurrent], "]")
+				return E.New("dependency[", problemOutbound, "] not found for outbound[", outboundTags[oCurrent], "]")
 			}
 			return lintOutbound(append(oTree, problemOutboundTag), problemOutbound)
 		}

cmd/internal/update_apple_version/main.go

@@ -30,16 +30,9 @@ func main() {
 	newContent, updated1 := findAndReplace(objectsMap, newContent, []string{"io.nekohasekai.sfa.independent", "io.nekohasekai.sfa.system"}, newVersion.String())
 	if updated0 || updated1 {
 		log.Info("updated version to ", newVersion.VersionString(), " (", newVersion.String(), ")")
-	}
-	var updated2 bool
-	if macProjectVersion := os.Getenv("MACOS_PROJECT_VERSION"); macProjectVersion != "" {
-		newContent, updated2 = findAndReplaceProjectVersion(objectsMap, newContent, []string{"SFM"}, macProjectVersion)
-		if updated2 {
-			log.Info("updated macos project version to ", macProjectVersion)
-		}
-	}
-	if updated0 || updated1 || updated2 {
 		common.Must(os.WriteFile("sing-box.xcodeproj/project.pbxproj", []byte(newContent), 0o644))
+	} else {
+		log.Info("version not changed")
 	}
 }
 
@@ -67,30 +60,6 @@ func findAndReplace(objectsMap map[string]any, projectContent string, bundleIDLi
 	return projectContent, updated
 }
 
-func findAndReplaceProjectVersion(objectsMap map[string]any, projectContent string, directoryList []string, newVersion string) (string, bool) {
-	objectKeyList := findObjectKeyByDirectory(objectsMap, directoryList)
-	var updated bool
-	for _, objectKey := range objectKeyList {
-		matchRegexp := common.Must1(regexp.Compile(objectKey + ".*= \\{"))
-		indexes := matchRegexp.FindStringIndex(projectContent)
-		if len(indexes) < 2 {
-			println(projectContent)
-			log.Fatal("failed to find object key ", objectKey, ": ", strings.Index(projectContent, objectKey))
-		}
-		indexStart := indexes[1]
-		indexEnd := indexStart + strings.Index(projectContent[indexStart:], "}")
-		versionStart := indexStart + strings.Index(projectContent[indexStart:indexEnd], "CURRENT_PROJECT_VERSION = ") + 26
-		versionEnd := versionStart + strings.Index(projectContent[versionStart:indexEnd], ";")
-		version := projectContent[versionStart:versionEnd]
-		if version == newVersion {
-			continue
-		}
-		updated = true
-		projectContent = projectContent[:versionStart] + newVersion + projectContent[versionEnd:]
-	}
-	return projectContent, updated
-}
-
 func findObjectKey(objectsMap map[string]any, bundleIDList []string) []string {
 	var objectKeyList []string
 	for objectKey, object := range objectsMap {
@@ -108,24 +77,3 @@ func findObjectKey(objectsMap map[string]any, bundleIDList []string) []string {
 	}
 	return objectKeyList
 }
-
-func findObjectKeyByDirectory(objectsMap map[string]any, directoryList []string) []string {
-	var objectKeyList []string
-	for objectKey, object := range objectsMap {
-		buildSettings := object.(map[string]any)["buildSettings"]
-		if buildSettings == nil {
-			continue
-		}
-		infoPListFile := buildSettings.(map[string]any)["INFOPLIST_FILE"]
-		if infoPListFile == nil {
-			continue
-		}
-		for _, searchDirectory := range directoryList {
-			if strings.HasPrefix(infoPListFile.(string), searchDirectory+"/") {
-				objectKeyList = append(objectKeyList, objectKey)
-			}
-		}
-
-	}
-	return objectKeyList
-}

cmd/sing-box/cmd_generate.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/gofrs/uuid/v5"
 	"github.com/spf13/cobra"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
 
 var commandGenerate = &cobra.Command{
@@ -21,7 +22,8 @@ var commandGenerate = &cobra.Command{
 func init() {
 	commandGenerate.AddCommand(commandGenerateUUID)
 	commandGenerate.AddCommand(commandGenerateRandom)
-
+	commandGenerate.AddCommand(commandGenerateWireGuardKeyPair)
+	commandGenerate.AddCommand(commandGenerateRealityKeyPair)
 	mainCommand.AddCommand(commandGenerate)
 }
 
@@ -90,3 +92,48 @@ func generateUUID() error {
 	_, err = os.Stdout.WriteString(newUUID.String() + "\n")
 	return err
 }
+
+var commandGenerateWireGuardKeyPair = &cobra.Command{
+	Use:   "wg-keypair",
+	Short: "Generate WireGuard key pair",
+	Args:  cobra.NoArgs,
+	Run: func(cmd *cobra.Command, args []string) {
+		err := generateWireGuardKey()
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func generateWireGuardKey() error {
+	privateKey, err := wgtypes.GeneratePrivateKey()
+	if err != nil {
+		return err
+	}
+	os.Stdout.WriteString("PrivateKey: " + privateKey.String() + "\n")
+	os.Stdout.WriteString("PublicKey: " + privateKey.PublicKey().String() + "\n")
+	return nil
+}
+
+var commandGenerateRealityKeyPair = &cobra.Command{
+	Use:   "reality-keypair",
+	Short: "Generate reality key pair",
+	Args:  cobra.NoArgs,
+	Run: func(cmd *cobra.Command, args []string) {
+		err := generateRealityKey()
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func generateRealityKey() error {
+	privateKey, err := wgtypes.GeneratePrivateKey()
+	if err != nil {
+		return err
+	}
+	publicKey := privateKey.PublicKey()
+	os.Stdout.WriteString("PrivateKey: " + base64.RawURLEncoding.EncodeToString(privateKey[:]) + "\n")
+	os.Stdout.WriteString("PublicKey: " + base64.RawURLEncoding.EncodeToString(publicKey[:]) + "\n")
+	return nil
+}

cmd/sing-box/cmd_generate_tls.go

@@ -1,40 +0,0 @@
-package main
-
-import (
-	"os"
-	"time"
-
-	"github.com/sagernet/sing-box/common/tls"
-	"github.com/sagernet/sing-box/log"
-
-	"github.com/spf13/cobra"
-)
-
-var flagGenerateTLSKeyPairMonths int
-
-var commandGenerateTLSKeyPair = &cobra.Command{
-	Use:   "tls-keypair <server_name>",
-	Short: "Generate TLS self sign key pair",
-	Args:  cobra.ExactArgs(1),
-	Run: func(cmd *cobra.Command, args []string) {
-		err := generateTLSKeyPair(args[0])
-		if err != nil {
-			log.Fatal(err)
-		}
-	},
-}
-
-func init() {
-	commandGenerateTLSKeyPair.Flags().IntVarP(&flagGenerateTLSKeyPairMonths, "months", "m", 1, "Valid months")
-	commandGenerate.AddCommand(commandGenerateTLSKeyPair)
-}
-
-func generateTLSKeyPair(serverName string) error {
-	privateKeyPem, publicKeyPem, err := tls.GenerateKeyPair(time.Now, serverName, time.Now().AddDate(0, flagGenerateTLSKeyPairMonths, 0))
-	if err != nil {
-		return err
-	}
-	os.Stdout.WriteString(string(privateKeyPem) + "\n")
-	os.Stdout.WriteString(string(publicKeyPem) + "\n")
-	return nil
-}

cmd/sing-box/cmd_generate_vapid.go

@@ -1,40 +0,0 @@
-//go:build go1.20
-
-package main
-
-import (
-	"crypto/ecdh"
-	"crypto/rand"
-	"encoding/base64"
-	"os"
-
-	"github.com/sagernet/sing-box/log"
-
-	"github.com/spf13/cobra"
-)
-
-var commandGenerateVAPIDKeyPair = &cobra.Command{
-	Use:   "vapid-keypair",
-	Short: "Generate VAPID key pair",
-	Run: func(cmd *cobra.Command, args []string) {
-		err := generateVAPIDKeyPair()
-		if err != nil {
-			log.Fatal(err)
-		}
-	},
-}
-
-func init() {
-	commandGenerate.AddCommand(commandGenerateVAPIDKeyPair)
-}
-
-func generateVAPIDKeyPair() error {
-	privateKey, err := ecdh.P256().GenerateKey(rand.Reader)
-	if err != nil {
-		return err
-	}
-	publicKey := privateKey.PublicKey()
-	os.Stdout.WriteString("PrivateKey: " + base64.RawURLEncoding.EncodeToString(privateKey.Bytes()) + "\n")
-	os.Stdout.WriteString("PublicKey: " + base64.RawURLEncoding.EncodeToString(publicKey.Bytes()) + "\n")
-	return nil
-}

cmd/sing-box/cmd_generate_wireguard.go

@@ -1,61 +0,0 @@
-package main
-
-import (
-	"encoding/base64"
-	"os"
-
-	"github.com/sagernet/sing-box/log"
-
-	"github.com/spf13/cobra"
-	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
-)
-
-func init() {
-	commandGenerate.AddCommand(commandGenerateWireGuardKeyPair)
-	commandGenerate.AddCommand(commandGenerateRealityKeyPair)
-}
-
-var commandGenerateWireGuardKeyPair = &cobra.Command{
-	Use:   "wg-keypair",
-	Short: "Generate WireGuard key pair",
-	Args:  cobra.NoArgs,
-	Run: func(cmd *cobra.Command, args []string) {
-		err := generateWireGuardKey()
-		if err != nil {
-			log.Fatal(err)
-		}
-	},
-}
-
-func generateWireGuardKey() error {
-	privateKey, err := wgtypes.GeneratePrivateKey()
-	if err != nil {
-		return err
-	}
-	os.Stdout.WriteString("PrivateKey: " + privateKey.String() + "\n")
-	os.Stdout.WriteString("PublicKey: " + privateKey.PublicKey().String() + "\n")
-	return nil
-}
-
-var commandGenerateRealityKeyPair = &cobra.Command{
-	Use:   "reality-keypair",
-	Short: "Generate reality key pair",
-	Args:  cobra.NoArgs,
-	Run: func(cmd *cobra.Command, args []string) {
-		err := generateRealityKey()
-		if err != nil {
-			log.Fatal(err)
-		}
-	},
-}
-
-func generateRealityKey() error {
-	privateKey, err := wgtypes.GeneratePrivateKey()
-	if err != nil {
-		return err
-	}
-	publicKey := privateKey.PublicKey()
-	os.Stdout.WriteString("PrivateKey: " + base64.RawURLEncoding.EncodeToString(privateKey[:]) + "\n")
-	os.Stdout.WriteString("PublicKey: " + base64.RawURLEncoding.EncodeToString(publicKey[:]) + "\n")
-	return nil
-}

cmd/sing-box/main.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"github.com/getsentry/sentry-go"
 	"os"
 	"time"
 
@@ -16,7 +15,6 @@ var (
 	configDirectories []string
 	workingDir        string
 	disableColor      bool
-	enableDebug       bool
 )
 
 var mainCommand = &cobra.Command{
@@ -29,25 +27,12 @@ func init() {
 	mainCommand.PersistentFlags().StringArrayVarP(&configDirectories, "config-directory", "C", nil, "set configuration directory path")
 	mainCommand.PersistentFlags().StringVarP(&workingDir, "directory", "D", "", "set working directory")
 	mainCommand.PersistentFlags().BoolVarP(&disableColor, "disable-color", "", false, "disable color output")
-	mainCommand.PersistentFlags().BoolVarP(&enableDebug, "debug", "", false, "enable sentry debug mode")
 }
 
 func main() {
 	if err := mainCommand.Execute(); err != nil {
 		log.Fatal(err)
 	}
-
-	if enableDebug {
-		err := sentry.Init(sentry.ClientOptions{
-			Dsn: "",
-		})
-
-		if err != nil {
-			log.Fatal("sentry.Init: %s", err)
-		}
-
-		defer sentry.Flush(2 * time.Second)
-	}
 }
 
 func preRun(cmd *cobra.Command, args []string) {

common/dialer/default.go

@@ -137,12 +137,10 @@ func (d *DefaultDialer) DialContext(ctx context.Context, network string, address
 }
 
 func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	if destination.IsIPv6() {
-		return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr6))
-	} else if destination.IsIPv4() && !destination.Addr.IsUnspecified() {
-		return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP+"4", d.udpAddr4))
-	} else {
+	if !destination.IsIPv6() {
 		return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr4))
+	} else {
+		return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr6))
 	}
 }
 

common/dialer/dialer.go

@@ -29,12 +29,7 @@ func New(router adapter.Router, options option.DialerOptions) (N.Dialer, error)
 	}
 	domainStrategy := dns.DomainStrategy(options.DomainStrategy)
 	if domainStrategy != dns.DomainStrategyAsIS || options.Detour == "" {
-		dialer = NewResolveDialer(
-			router,
-			dialer,
-			options.Detour == "" && !options.TCPFastOpen,
-			domainStrategy,
-			time.Duration(options.FallbackDelay))
+		dialer = NewResolveDialer(router, dialer, domainStrategy, time.Duration(options.FallbackDelay))
 	}
 	return dialer, nil
 }

common/dialer/resolve.go

@@ -16,16 +16,14 @@ import (
 
 type ResolveDialer struct {
 	dialer        N.Dialer
-	parallel      bool
 	router        adapter.Router
 	strategy      dns.DomainStrategy
 	fallbackDelay time.Duration
 }
 
-func NewResolveDialer(router adapter.Router, dialer N.Dialer, parallel bool, strategy dns.DomainStrategy, fallbackDelay time.Duration) *ResolveDialer {
+func NewResolveDialer(router adapter.Router, dialer N.Dialer, strategy dns.DomainStrategy, fallbackDelay time.Duration) *ResolveDialer {
 	return &ResolveDialer{
 		dialer,
-		parallel,
 		router,
 		strategy,
 		fallbackDelay,
@@ -36,7 +34,7 @@ func (d *ResolveDialer) DialContext(ctx context.Context, network string, destina
 	if !destination.IsFqdn() {
 		return d.dialer.DialContext(ctx, network, destination)
 	}
-	ctx, metadata := adapter.ExtendContext(ctx)
+	ctx, metadata := adapter.AppendContext(ctx)
 	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
 	metadata.Destination = destination
 	metadata.Domain = ""
@@ -50,18 +48,14 @@ func (d *ResolveDialer) DialContext(ctx context.Context, network string, destina
 	if err != nil {
 		return nil, err
 	}
-	if d.parallel {
-		return N.DialParallel(ctx, d.dialer, network, destination, addresses, d.strategy == dns.DomainStrategyPreferIPv6, d.fallbackDelay)
-	} else {
-		return N.DialSerial(ctx, d.dialer, network, destination, addresses)
-	}
+	return N.DialParallel(ctx, d.dialer, network, destination, addresses, d.strategy == dns.DomainStrategyPreferIPv6, d.fallbackDelay)
 }
 
 func (d *ResolveDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
 	if !destination.IsFqdn() {
 		return d.dialer.ListenPacket(ctx, destination)
 	}
-	ctx, metadata := adapter.ExtendContext(ctx)
+	ctx, metadata := adapter.AppendContext(ctx)
 	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
 	metadata.Destination = destination
 	metadata.Domain = ""

common/proxyproto/dialer.go

@@ -0,0 +1,50 @@
+package proxyproto
+
+import (
+	"context"
+	"net"
+	"net/netip"
+
+	"github.com/sagernet/sing-box/adapter"
+	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+
+	"github.com/pires/go-proxyproto"
+)
+
+var _ N.Dialer = (*Dialer)(nil)
+
+type Dialer struct {
+	N.Dialer
+}
+
+func (d *Dialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+	switch N.NetworkName(network) {
+	case N.NetworkTCP:
+		conn, err := d.Dialer.DialContext(ctx, network, destination)
+		if err != nil {
+			return nil, err
+		}
+		var source M.Socksaddr
+		metadata := adapter.ContextFrom(ctx)
+		if metadata != nil {
+			source = metadata.Source
+		}
+		if !source.IsValid() {
+			source = M.SocksaddrFromNet(conn.LocalAddr())
+		}
+		if destination.Addr.Is6() {
+			source = M.SocksaddrFrom(netip.AddrFrom16(source.Addr.As16()), source.Port)
+		}
+		h := proxyproto.HeaderProxyFromAddrs(1, source.TCPAddr(), destination.TCPAddr())
+		_, err = h.WriteTo(conn)
+		if err != nil {
+			conn.Close()
+			return nil, E.Cause(err, "write proxy protocol header")
+		}
+		return conn, nil
+	default:
+		return d.Dialer.DialContext(ctx, network, destination)
+	}
+}

common/proxyproto/listener.go

@@ -0,0 +1,62 @@
+package proxyproto
+
+import (
+	std_bufio "bufio"
+	"net"
+
+	"github.com/sagernet/sing/common/buf"
+	"github.com/sagernet/sing/common/bufio"
+	M "github.com/sagernet/sing/common/metadata"
+
+	"github.com/pires/go-proxyproto"
+)
+
+type Listener struct {
+	net.Listener
+	AcceptNoHeader bool
+}
+
+func (l *Listener) Accept() (net.Conn, error) {
+	conn, err := l.Listener.Accept()
+	if err != nil {
+		return nil, err
+	}
+	bufReader := std_bufio.NewReader(conn)
+	header, err := proxyproto.Read(bufReader)
+	if err != nil && !(l.AcceptNoHeader && err == proxyproto.ErrNoProxyProtocol) {
+		return nil, &Error{err}
+	}
+	if bufReader.Buffered() > 0 {
+		cache := buf.NewSize(bufReader.Buffered())
+		_, err = cache.ReadFullFrom(bufReader, cache.FreeLen())
+		if err != nil {
+			return nil, &Error{err}
+		}
+		conn = bufio.NewCachedConn(conn, cache)
+	}
+	if header != nil {
+		return &bufio.AddrConn{Conn: conn, Metadata: M.Metadata{
+			Source:      M.SocksaddrFromNet(header.SourceAddr).Unwrap(),
+			Destination: M.SocksaddrFromNet(header.DestinationAddr).Unwrap(),
+		}}, nil
+	}
+	return conn, nil
+}
+
+var _ net.Error = (*Error)(nil)
+
+type Error struct {
+	error
+}
+
+func (e *Error) Unwrap() error {
+	return e.error
+}
+
+func (e *Error) Timeout() bool {
+	return false
+}
+
+func (e *Error) Temporary() bool {
+	return true
+}

common/settings/proxy_linux.go

@@ -71,7 +71,7 @@ func (p *LinuxSystemProxy) Enable() error {
 		}
 	}
 	if p.hasKWriteConfig5 {
-		err := p.runAsUser("kwriteconfig5", "--file", "kioslaverc", "--group", "Proxy Settings", "--key", "ProxyType", "1")
+		err := p.runAsUser("kwriteconfig5", "--file", "kioslaverc", "--group", "'Proxy Settings'", "--key", "ProxyType", "1")
 		if err != nil {
 			return err
 		}
@@ -83,7 +83,7 @@ func (p *LinuxSystemProxy) Enable() error {
 		if err != nil {
 			return err
 		}
-		err = p.runAsUser("kwriteconfig5", "--file", "kioslaverc", "--group", "Proxy Settings", "--key", "Authmode", "0")
+		err = p.runAsUser("kwriteconfig5", "--file", "kioslaverc", "--group", "'Proxy Settings'", "--key", "Authmode", "0")
 		if err != nil {
 			return err
 		}
@@ -104,7 +104,7 @@ func (p *LinuxSystemProxy) Disable() error {
 		}
 	}
 	if p.hasKWriteConfig5 {
-		err := p.runAsUser("kwriteconfig5", "--file", "kioslaverc", "--group", "Proxy Settings", "--key", "ProxyType", "0")
+		err := p.runAsUser("kwriteconfig5", "--file", "kioslaverc", "--group", "'Proxy Settings'", "--key", "ProxyType", "0")
 		if err != nil {
 			return err
 		}

common/tls/mkcert.go

@@ -11,34 +11,22 @@ import (
 	"time"
 )
 
-func GenerateCertificate(timeFunc func() time.Time, serverName string) (*tls.Certificate, error) {
-	privateKeyPem, publicKeyPem, err := GenerateKeyPair(timeFunc, serverName, timeFunc().Add(time.Hour))
-	if err != nil {
-		return nil, err
-	}
-	certificate, err := tls.X509KeyPair(publicKeyPem, privateKeyPem)
-	if err != nil {
-		return nil, err
-	}
-	return &certificate, err
-}
-
-func GenerateKeyPair(timeFunc func() time.Time, serverName string, expire time.Time) (privateKeyPem []byte, publicKeyPem []byte, err error) {
+func GenerateKeyPair(timeFunc func() time.Time, serverName string) (*tls.Certificate, error) {
 	if timeFunc == nil {
 		timeFunc = time.Now
 	}
 	key, err := rsa.GenerateKey(rand.Reader, 2048)
 	if err != nil {
-		return
+		return nil, err
 	}
 	serialNumber, err := rand.Int(rand.Reader, new(big.Int).Lsh(big.NewInt(1), 128))
 	if err != nil {
-		return
+		return nil, err
 	}
 	template := &x509.Certificate{
 		SerialNumber:          serialNumber,
 		NotBefore:             timeFunc().Add(time.Hour * -1),
-		NotAfter:              expire,
+		NotAfter:              timeFunc().Add(time.Hour),
 		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
 		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
 		BasicConstraintsValid: true,
@@ -49,13 +37,17 @@ func GenerateKeyPair(timeFunc func() time.Time, serverName string, expire time.T
 	}
 	publicDer, err := x509.CreateCertificate(rand.Reader, template, template, key.Public(), key)
 	if err != nil {
-		return
+		return nil, err
 	}
 	privateDer, err := x509.MarshalPKCS8PrivateKey(key)
 	if err != nil {
-		return
+		return nil, err
 	}
-	publicKeyPem = pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: publicDer})
-	privateKeyPem = pem.EncodeToMemory(&pem.Block{Type: "PRIVATE KEY", Bytes: privateDer})
-	return
+	publicPem := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: publicDer})
+	privPem := pem.EncodeToMemory(&pem.Block{Type: "PRIVATE KEY", Bytes: privateDer})
+	keyPair, err := tls.X509KeyPair(publicPem, privPem)
+	if err != nil {
+		return nil, err
+	}
+	return &keyPair, err
 }

common/tls/std_server.go

@@ -233,7 +233,7 @@ func NewSTDServer(ctx context.Context, logger log.Logger, options option.Inbound
 		}
 		if certificate == nil && key == nil && options.Insecure {
 			tlsConfig.GetCertificate = func(info *tls.ClientHelloInfo) (*tls.Certificate, error) {
-				return GenerateCertificate(ntp.TimeFuncFromContext(ctx), info.ServerName)
+				return GenerateKeyPair(ntp.TimeFuncFromContext(ctx), info.ServerName)
 			}
 		} else {
 			if certificate == nil {

docs/changelog.md

@@ -1,226 +1,30 @@
-#### 1.6.0
-
-* Fixes and improvements
-
-Important changes since 1.5:
-
-* Our [Apple tvOS client](/installation/clients/sft) is now available in the App Store 🍎
-* Update BBR congestion control for TUIC and Hysteria2 **1**
-* Update brutal congestion control for Hysteria2
-* Add `brutal_debug` option for Hysteria2
-* Update legacy Hysteria protocol **2**
-* Add TLS self sign key pair generate command
-* Remove [Deprecated Features](/deprecated) by agreement
-
-**1**:
-
-None of the existing Golang BBR congestion control implementations have been reviewed or unit tested.
-This update is intended to address the multi-send defects of the old implementation and may introduce new issues.
-
-**2**
-
-Based on discussions with the original author, the brutal CC and QUIC protocol parameters of
-the old protocol (Hysteria 1) have been updated to be consistent with Hysteria 2
-
-
-#### 1.5.5
-
-* Fix IPv6 `auto_route` for Linux **1**
-* Add legacy builds for old Windows and macOS systems **2**
-* Fixes and improvements
-
-**1**:
-
-When `auto_route` is enabled and `strict_route` is disabled, the device can now be reached from external IPv6 addresses.
-
-**2**:
-
-Built using Go 1.20, the last version that will run on Windows 7, 8, Server 2008, Server 2012 and macOS 10.13 High Sierra, 10.14 Mojave.
-
-
-#### 1.6.0-rc.4
-
-* Fixes and improvements
-
-#### 1.6.0-rc.1
-
-* Add legacy builds for old Windows and macOS systems **1**
-* Fixes and improvements
-
-**1**:
-
-Built using Go 1.20, the last version that will run on Windows 7, 8, Server 2008, Server 2012 and macOS 10.13 High Sierra, 10.14 Mojave.
-
-#### 1.6.0-beta.4
-
-* Fix IPv6 `auto_route` for Linux **1**
-* Fixes and improvements
-
-**1**:
-
-When `auto_route` is enabled and `strict_route` is disabled, the device can now be reached from external IPv6 addresses.
-
-#### 1.5.4
-
-* Fix Clash cache crash on arm32 devices
-* Fixes and improvements
-
-#### 1.6.0-beta.3
-
-* Update the legacy Hysteria protocol **1**
-* Fixes and improvements
-
-**1**
-
-Based on discussions with the original author, the brutal CC and QUIC protocol parameters of
-the old protocol (Hysteria 1) have been updated to be consistent with Hysteria 2
-
-#### 1.6.0-beta.2
-
-* Add TLS self sign key pair generate command
-* Update brutal congestion control for Hysteria2
-* Fix Clash cache crash on arm32 devices
-* Update golang.org/x/net to v0.17.0
-* Fixes and improvements
-
-#### 1.5.3
-
-* Fix compatibility with Android 14
-* Fixes and improvements
-
-#### 1.6.0-beta.1
-
-* Fixes and improvements
-
-#### 1.6.0-alpha.5
-
-* Fix compatibility with Android 14
-* Update BBR congestion control for TUIC and Hysteria2 **1**
-* Fixes and improvements
-
-**1**:
-
-None of the existing Golang BBR congestion control implementations have been reviewed or unit tested.
-This update is intended to fix a memory leak flaw in the new implementation introduced in 1.6.0-alpha.1 and may
-introduce new issues.
-
-#### 1.6.0-alpha.4
-
-* Add `brutal_debug` option for Hysteria2
-* Fixes and improvements
-
-#### 1.5.2
-
-* Our [Apple tvOS client](/installation/clients/sft) is now available in the App Store 🍎
-* Fixes and improvements
-
-#### 1.6.0-alpha.3
-
-* Fixes and improvements
-
-#### 1.6.0-alpha.2
-
-* Fixes and improvements
-
-#### 1.5.1
-
-* Fixes and improvements
-
-#### 1.6.0-alpha.1
-
-* Update BBR congestion control for TUIC and Hysteria2 **1**
-* Update quic-go to v0.39.0
-* Update gVisor to 20230814.0
-* Remove [Deprecated Features](/deprecated) by agreement
-* Fixes and improvements
-
-**1**:
-
-None of the existing Golang BBR congestion control implementations have been reviewed or unit tested.
-This update is intended to address the multi-send defects of the old implementation and may introduce new issues.
-
-#### 1.5.0
-
-* Fixes and improvements
-
-Important changes since 1.4:
-
-* Add TLS [ECH server](/configuration/shared/tls) support
-* Improve TLS TCH client configuration
-* Add TLS ECH key pair generator **1**
-* Add TLS ECH support for QUIC based protocols **2**
-* Add KDE support for the `set_system_proxy` option in HTTP inbound
-* Add Hysteria2 protocol support **3**
-* Add `interrupt_exist_connections` option for `Selector` and `URLTest` outbounds **4**
-* Add DNS01 challenge support for ACME TLS certificate issuer **5**
-* Add `merge` command **6**
-* Mark [Deprecated Features](/deprecated)
-
-**1**:
-
-Command: `sing-box generate ech-keypair <plain_server_name> [--pq-signature-schemes-enabled]`
-
-**2**:
-
-All inbounds and outbounds are supported, including `Naiveproxy`, `Hysteria[/2]`, `TUIC` and `V2ray QUIC transport`.
-
-**3**:
-
-See [Hysteria2 inbound](/configuration/inbound/hysteria2) and [Hysteria2 outbound](/configuration/outbound/hysteria2)
-
-For protocol description, please refer to [https://v2.hysteria.network](https://v2.hysteria.network)
-
-**4**:
-
-Interrupt existing connections when the selected outbound has changed.
-
-Only inbound connections are affected by this setting, internal connections will always be interrupted.
-
-**5**:
-
-Only `Alibaba Cloud DNS` and `Cloudflare` are supported, see [ACME Fields](/configuration/shared/tls#acme-fields)
-and [DNS01 Challenge Fields](/configuration/shared/dns01_challenge).
-
-**6**:
-
-This command also parses path resources that appear in the configuration file and replaces them with embedded
-configuration, such as TLS certificates or SSH private keys.
-
-#### 1.5.0-rc.6
-
-* Fixes and improvements
-
-#### 1.4.6
-
-* Fixes and improvements
-
-#### 1.5.0-rc.5
+#### 1.5.0-rc.4
 
 * Fixed an improper authentication vulnerability in the SOCKS5 inbound
 * Fixes and improvements
 
 **Security Advisory**
 
-This update fixes an improper authentication vulnerability in the sing-box SOCKS inbound. This vulnerability allows an
-attacker to craft special requests to bypass user authentication. All users exposing SOCKS servers with user
+This update fixes an improper authentication vulnerability in the sing-box SOCKS5 inbound. This vulnerability allows an
+attacker to craft special requests to bypass user authentication. All users exposing SOCKS5 servers with user
 authentication in an insecure environment are advised to update immediately.
 
-此更新修复了 sing-box SOCKS 入站中的一个不正确身份验证漏洞。 该漏洞允许攻击者制作特殊请求来绕过用户身份验证。建议所有将使用用户认证的
-SOCKS 服务器暴露在不安全环境下的用户立更新。
+此更新修复了 sing-box SOCKS5 入站中的一个不正确身份验证漏洞。 该漏洞允许攻击者制作特殊请求来绕过用户身份验证。建议所有将使用用户认证的
+SOCKS5 服务器暴露在不安全环境下的用户立更新。
 
-#### 1.4.5
+#### 1.4.4
 
 * Fixed an improper authentication vulnerability in the SOCKS5 inbound
 * Fixes and improvements
 
 **Security Advisory**
 
-This update fixes an improper authentication vulnerability in the sing-box SOCKS inbound. This vulnerability allows an
-attacker to craft special requests to bypass user authentication. All users exposing SOCKS servers with user
+This update fixes an improper authentication vulnerability in the sing-box SOCKS5 inbound. This vulnerability allows an
+attacker to craft special requests to bypass user authentication. All users exposing SOCKS5 servers with user
 authentication in an insecure environment are advised to update immediately.
 
-此更新修复了 sing-box SOCKS 入站中的一个不正确身份验证漏洞。 该漏洞允许攻击者制作特殊请求来绕过用户身份验证。建议所有将使用用户认证的
-SOCKS 服务器暴露在不安全环境下的用户立更新。
+此更新修复了 sing-box SOCKS5 入站中的一个不正确身份验证漏洞。 该漏洞允许攻击者制作特殊请求来绕过用户身份验证。建议所有将使用用户认证的
+SOCKS5 服务器暴露在不安全环境下的用户立更新。
 
 #### 1.5.0-rc.3
 
@@ -323,7 +127,7 @@ For protocol description, please refer to [https://v2.hysteria.network](https://
 
 **1**:
 
-Command: `sing-box generate ech-keypair <plain_server_name> [--pq-signature-schemes-enabled]`
+Command: `sing-box generate ech-keypair <plain_server_name> [-pq-signature-schemes-enabled]`
 
 **2**:
 

docs/configuration/inbound/hysteria2.md

@@ -20,9 +20,8 @@
     }
   ],
   "ignore_client_bandwidth": false,
-  "tls": {},
   "masquerade": "",
-  "brutal_debug": false
+  "tls": {}
 }
 ```
 
@@ -68,12 +67,6 @@ Commands the client to use the BBR flow control algorithm instead of Hysteria CC
 
 Conflict with `up_mbps` and `down_mbps`.
 
-#### tls
-
-==Required==
-
-TLS configuration, see [TLS](/configuration/shared/tls/#inbound).
-
 #### masquerade
 
 HTTP3 server behavior when authentication fails.
@@ -85,6 +78,8 @@ HTTP3 server behavior when authentication fails.
 
 A 404 page will be returned if empty.
 
-#### brutal_debug
+#### tls
 
-Enable debug information logging for Hysteria Brutal CC.
+==Required==
+
+TLS configuration, see [TLS](/configuration/shared/tls/#inbound).

docs/configuration/inbound/hysteria2.zh.md

@@ -20,9 +20,8 @@
     }
   ],
   "ignore_client_bandwidth": false,
-  "tls": {},
   "masquerade": "",
-  "brutal_debug": false
+  "tls": {}
 }
 ```
 
@@ -66,12 +65,6 @@ Hysteria 用户
 
 与 `up_mbps` 和 `down_mbps` 冲突。
 
-#### tls
-
-==必填==
-
-TLS 配置, 参阅 [TLS](/zh/configuration/shared/tls/#inbound)。
-
 #### masquerade
 
 HTTP3 服务器认证失败时的行为。
@@ -83,6 +76,8 @@ HTTP3 服务器认证失败时的行为。
 
 如果为空，则返回 404 页。
 
-#### brutal_debug
+#### tls
 
-启用 Hysteria Brutal CC 的调试信息日志记录。
+==必填==
+
+TLS 配置, 参阅 [TLS](/zh/configuration/shared/tls/#inbound)。

docs/configuration/inbound/shadowsocks.md

@@ -82,3 +82,49 @@ Both if empty.
 | none          | /                                              |
 | 2022 methods  | `sing-box generate rand --base64 <Key Length>` |
 | other methods | any string                                     |
+
+### Listen Fields
+
+#### listen
+
+==Required==
+
+Listen address.
+
+#### listen_port
+
+==Required==
+
+Listen port.
+
+#### tcp_fast_open
+
+Enable tcp fast open for listener.
+
+#### sniff
+
+Enable sniffing.
+
+See [Protocol Sniff](/configuration/route/sniff/) for details.
+
+#### sniff_override_destination
+
+Override the connection destination address with the sniffed domain.
+
+If the domain name is invalid (like tor), this will not work.
+
+#### domain_strategy
+
+One of `prefer_ipv4` `prefer_ipv6` `ipv4_only` `ipv6_only`.
+
+If set, the requested domain name will be resolved to IP before routing.
+
+If `sniff_override_destination` is in effect, its value will be taken as a fallback.
+
+#### udp_timeout
+
+UDP NAT expiration time in seconds, default is 300 (5 minutes).
+
+#### proxy_protocol
+
+Parse [Proxy Protocol](https://www.haproxy.org/download/1.8/doc/proxy-protocol.txt) in the connection header.

docs/configuration/outbound/hysteria2.md

@@ -16,7 +16,6 @@
   "password": "goofy_ahh_password",
   "network": "tcp",
   "tls": {},
-  "brutal_debug": false,
   
   ... // Dial Fields
 }
@@ -74,10 +73,6 @@ Both is enabled by default.
 
 TLS configuration, see [TLS](/configuration/shared/tls/#outbound).
 
-#### brutal_debug
-
-Enable debug information logging for Hysteria Brutal CC.
-
 ### Dial Fields
 
 See [Dial Fields](/configuration/shared/dial) for details.

docs/configuration/outbound/hysteria2.zh.md

@@ -16,7 +16,6 @@
   "password": "goofy_ahh_password",
   "network": "tcp",
   "tls": {},
-  "brutal_debug": false,
   
   ... // 拨号字段
 }
@@ -74,9 +73,6 @@ QUIC 流量混淆器密码.
 
 TLS 配置, 参阅 [TLS](/zh/configuration/shared/tls/#outbound)。
 
-#### brutal_debug
-
-启用 Hysteria Brutal CC 的调试信息日志记录。
 
 ### 拨号字段
 

docs/configuration/shared/tls.md

@@ -233,7 +233,7 @@ Chrome fingerprint will be used if empty.
 ECH (Encrypted Client Hello) is a TLS extension that allows a client to encrypt the first part of its ClientHello
 message.
 
-The ECH key and configuration can be generated by `sing-box generate ech-keypair [--pq-signature-schemes-enabled]`.
+The ECH key and configuration can be generated by `sing-box generate ech-keypair [-pq-signature-schemes-enabled]`.
 
 #### pq_signature_schemes_enabled
 

docs/configuration/shared/tls.zh.md

@@ -228,7 +228,7 @@ ECH (Encrypted Client Hello) 是一个 TLS 扩展，它允许客户端加密其
 信息。
 
 
-ECH 配置和密钥可以通过 `sing-box generate ech-keypair [--pq-signature-schemes-enabled]` 生成。
+ECH 配置和密钥可以通过 `sing-box generate ech-keypair [-pq-signature-schemes-enabled]` 生成。
 
 #### pq_signature_schemes_enabled
 

docs/installation/clients/sfi.zh.md

@@ -15,7 +15,7 @@
 #### 注意事项
 
 * 远程配置文件请求中的 User Agent 为 `SFI/$version ($version_code; sing-box $sing_box_version)`
-* 崩溃日志位于 `Settings` -> `View Service Log`
+* 崩溃日志位于 `设置` -> `查看服务日志`
 
 #### 隐私政策
 

docs/installation/clients/sfm.zh.md

@@ -21,7 +21,7 @@
 #### 注意事项
 
 * 远程配置文件请求中的 User Agent 为 `SFM/$version ($version_code; sing-box $sing_box_version)`
-* 崩溃日志位于 `Settings` -> `View Service Log`
+* 崩溃日志位于 `设置` -> `查看服务日志`
 
 #### 隐私政策
 

docs/installation/clients/sft.md

@@ -8,7 +8,6 @@ Experimental Apple tvOS client for sing-box.
 
 #### Download
 
-* [AppStore](https://apps.apple.com/us/app/sing-box/id6451272673)
 * [TestFlight](https://testflight.apple.com/join/AcqO44FH)
 
 #### Features
@@ -16,7 +15,7 @@ Experimental Apple tvOS client for sing-box.
 Full functionality, except for:
 
 * Only remote configuration files can be created manually
-* You need to update SFI to the latest version to import profiles from iPhone/iPad
+* You need to update SFI to the latest beta version to import profiles from iPhone/iPad
 * No iCloud profile support
 
 #### Note

docs/installation/clients/sft.zh.md

@@ -1,31 +0,0 @@
-# SFI
-
-实验性的 Apple tvOS sing-box 客户端。
-
-#### 要求
-
-* tvOS 17.0+
-* 一个非中国大陆地区的 Apple 账号
-
-#### 下载
-
-* [AppStore](https://apps.apple.com/us/app/sing-box/id6451272673)
-* [TestFlight](https://testflight.apple.com/join/AcqO44FH)
-
-#### 特性
-
-完整的功能，除了：
-
-* 只能手动创建远程配置文件
-* 您需要将 SFI 更新到最新版本才能从 iPhone/iPad 导入配置文件
-* 没有 iCloud 配置文件支持
-
-#### 注意事项
-
-* 远程配置文件请求中的 User Agent 为 `SFT/$version ($version_code; sing-box $sing_box_version)`
-* 崩溃日志位于 `Settings` -> `View Service Log`
-
-#### 隐私政策
-
-* SFT 不收集或共享个人数据。
-* 软件生成的数据始终在您的设备上。

experimental/clashapi/cachefile/cache.go

@@ -1,18 +1,16 @@
 package cachefile
 
 import (
-	"errors"
 	"net/netip"
 	"os"
 	"strings"
 	"sync"
 	"time"
 
-	"github.com/sagernet/bbolt"
-	bboltErrors "github.com/sagernet/bbolt/errors"
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing/common"
-	E "github.com/sagernet/sing/common/exceptions"
+
+	"go.etcd.io/bbolt"
 )
 
 var (
@@ -44,25 +42,13 @@ type CacheFile struct {
 func Open(path string, cacheID string) (*CacheFile, error) {
 	const fileMode = 0o666
 	options := bbolt.Options{Timeout: time.Second}
-	var (
-		db  *bbolt.DB
-		err error
-	)
-	for i := 0; i < 10; i++ {
-		db, err = bbolt.Open(path, fileMode, &options)
-		if err == nil {
+	db, err := bbolt.Open(path, fileMode, &options)
+	switch err {
+	case bbolt.ErrInvalid, bbolt.ErrChecksum, bbolt.ErrVersionMismatch:
+		if err = os.Remove(path); err != nil {
 			break
 		}
-		if errors.Is(err, bboltErrors.ErrTimeout) {
-			continue
-		}
-		if E.IsMulti(err, bboltErrors.ErrInvalid, bboltErrors.ErrChecksum, bboltErrors.ErrVersionMismatch) {
-			rmErr := os.Remove(path)
-			if rmErr != nil {
-				return nil, err
-			}
-		}
-		time.Sleep(100 * time.Millisecond)
+		db, err = bbolt.Open(path, 0o666, &options)
 	}
 	if err != nil {
 		return nil, err

experimental/clashapi/cachefile/fakeip.go

@@ -5,10 +5,11 @@ import (
 	"os"
 	"time"
 
-	"github.com/sagernet/bbolt"
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing/common/logger"
 	M "github.com/sagernet/sing/common/metadata"
+
+	"go.etcd.io/bbolt"
 )
 
 const fakeipBucketPrefix = "fakeip_"

experimental/libbox/build_info.go

@@ -1,234 +0,0 @@
-//go:build android
-
-package libbox
-
-import (
-	"archive/zip"
-	"bytes"
-	"debug/buildinfo"
-	"io"
-	"runtime/debug"
-	"strings"
-
-	"github.com/sagernet/sing/common"
-)
-
-const (
-	androidVPNCoreTypeOpenVPN     = "OpenVPN"
-	androidVPNCoreTypeShadowsocks = "Shadowsocks"
-	androidVPNCoreTypeClash       = "Clash"
-	androidVPNCoreTypeV2Ray       = "V2Ray"
-	androidVPNCoreTypeWireGuard   = "WireGuard"
-	androidVPNCoreTypeSingBox     = "sing-box"
-	androidVPNCoreTypeUnknown     = "Unknown"
-)
-
-type AndroidVPNType struct {
-	CoreType  string
-	CorePath  string
-	GoVersion string
-}
-
-func ReadAndroidVPNType(publicSourceDirList StringIterator) (*AndroidVPNType, error) {
-	apkPathList := iteratorToArray[string](publicSourceDirList)
-	var lastError error
-	for _, apkPath := range apkPathList {
-		androidVPNType, err := readAndroidVPNType(apkPath)
-		if androidVPNType == nil {
-			if err != nil {
-				lastError = err
-			}
-			continue
-		}
-		return androidVPNType, nil
-	}
-	return nil, lastError
-}
-
-func readAndroidVPNType(publicSourceDir string) (*AndroidVPNType, error) {
-	reader, err := zip.OpenReader(publicSourceDir)
-	if err != nil {
-		return nil, err
-	}
-	defer reader.Close()
-	var lastError error
-	for _, file := range reader.File {
-		if !strings.HasPrefix(file.Name, "lib/") {
-			continue
-		}
-		vpnType, err := readAndroidVPNTypeEntry(file)
-		if err != nil {
-			lastError = err
-			continue
-		}
-		return vpnType, nil
-	}
-	for _, file := range reader.File {
-		if !strings.HasPrefix(file.Name, "lib/") {
-			continue
-		}
-		if strings.Contains(file.Name, androidVPNCoreTypeOpenVPN) || strings.Contains(file.Name, "ovpn") {
-			return &AndroidVPNType{CoreType: androidVPNCoreTypeOpenVPN}, nil
-		}
-		if strings.Contains(file.Name, androidVPNCoreTypeShadowsocks) {
-			return &AndroidVPNType{CoreType: androidVPNCoreTypeShadowsocks}, nil
-		}
-	}
-	return nil, lastError
-}
-
-func readAndroidVPNTypeEntry(zipFile *zip.File) (*AndroidVPNType, error) {
-	readCloser, err := zipFile.Open()
-	if err != nil {
-		return nil, err
-	}
-	libContent := make([]byte, zipFile.UncompressedSize64)
-	_, err = io.ReadFull(readCloser, libContent)
-	readCloser.Close()
-	if err != nil {
-		return nil, err
-	}
-	buildInfo, err := buildinfo.Read(bytes.NewReader(libContent))
-	if err != nil {
-		return nil, err
-	}
-	var vpnType AndroidVPNType
-	vpnType.GoVersion = buildInfo.GoVersion
-	if !strings.HasPrefix(vpnType.GoVersion, "go") {
-		vpnType.GoVersion = "obfuscated"
-	} else {
-		vpnType.GoVersion = vpnType.GoVersion[2:]
-	}
-	vpnType.CoreType = androidVPNCoreTypeUnknown
-	if len(buildInfo.Deps) == 0 {
-		vpnType.CoreType = "obfuscated"
-		return &vpnType, nil
-	}
-
-	dependencies := make(map[string]bool)
-	dependencies[buildInfo.Path] = true
-	for _, module := range buildInfo.Deps {
-		dependencies[module.Path] = true
-		if module.Replace != nil {
-			dependencies[module.Replace.Path] = true
-		}
-	}
-	for dependency := range dependencies {
-		pkgType, loaded := determinePkgType(dependency)
-		if loaded {
-			vpnType.CoreType = pkgType
-		}
-	}
-	if vpnType.CoreType == androidVPNCoreTypeUnknown {
-		for dependency := range dependencies {
-			pkgType, loaded := determinePkgTypeSecondary(dependency)
-			if loaded {
-				vpnType.CoreType = pkgType
-				return &vpnType, nil
-			}
-		}
-	}
-	if vpnType.CoreType != androidVPNCoreTypeUnknown {
-		vpnType.CorePath, _ = determineCorePath(buildInfo, vpnType.CoreType)
-		return &vpnType, nil
-	}
-	if dependencies["github.com/golang/protobuf"] && dependencies["github.com/v2fly/ss-bloomring"] {
-		vpnType.CoreType = androidVPNCoreTypeV2Ray
-		return &vpnType, nil
-	}
-	return &vpnType, nil
-}
-
-func determinePkgType(pkgName string) (string, bool) {
-	pkgNameLower := strings.ToLower(pkgName)
-	if strings.Contains(pkgNameLower, "clash") {
-		return androidVPNCoreTypeClash, true
-	}
-	if strings.Contains(pkgNameLower, "v2ray") || strings.Contains(pkgNameLower, "xray") {
-		return androidVPNCoreTypeV2Ray, true
-	}
-
-	if strings.Contains(pkgNameLower, "sing-box") {
-		return androidVPNCoreTypeSingBox, true
-	}
-	return "", false
-}
-
-func determinePkgTypeSecondary(pkgName string) (string, bool) {
-	pkgNameLower := strings.ToLower(pkgName)
-	if strings.Contains(pkgNameLower, "wireguard") {
-		return androidVPNCoreTypeWireGuard, true
-	}
-	return "", false
-}
-
-func determineCorePath(pkgInfo *buildinfo.BuildInfo, pkgType string) (string, bool) {
-	switch pkgType {
-	case androidVPNCoreTypeClash:
-		return determineCorePathForPkgs(pkgInfo, []string{"github.com/Dreamacro/clash"}, []string{"clash"})
-	case androidVPNCoreTypeV2Ray:
-		if v2rayVersion, loaded := determineCorePathForPkgs(pkgInfo, []string{
-			"github.com/v2fly/v2ray-core",
-			"github.com/v2fly/v2ray-core/v4",
-			"github.com/v2fly/v2ray-core/v5",
-		}, []string{
-			"v2ray",
-		}); loaded {
-			return v2rayVersion, true
-		}
-		if xrayVersion, loaded := determineCorePathForPkgs(pkgInfo, []string{
-			"github.com/xtls/xray-core",
-		}, []string{
-			"xray",
-		}); loaded {
-			return xrayVersion, true
-		}
-		return "", false
-	case androidVPNCoreTypeSingBox:
-		return determineCorePathForPkgs(pkgInfo, []string{"github.com/sagernet/sing-box"}, []string{"sing-box"})
-	case androidVPNCoreTypeWireGuard:
-		return determineCorePathForPkgs(pkgInfo, []string{"golang.zx2c4.com/wireguard"}, []string{"wireguard"})
-	default:
-		return "", false
-	}
-}
-
-func determineCorePathForPkgs(pkgInfo *buildinfo.BuildInfo, pkgs []string, names []string) (string, bool) {
-	for _, pkg := range pkgs {
-		if pkgInfo.Path == pkg {
-			return pkg, true
-		}
-		strictDependency := common.Find(pkgInfo.Deps, func(module *debug.Module) bool {
-			return module.Path == pkg
-		})
-		if strictDependency != nil {
-			if isValidVersion(strictDependency.Version) {
-				return strictDependency.Path + " " + strictDependency.Version, true
-			} else {
-				return strictDependency.Path, true
-			}
-		}
-	}
-	for _, name := range names {
-		if strings.Contains(pkgInfo.Path, name) {
-			return pkgInfo.Path, true
-		}
-		looseDependency := common.Find(pkgInfo.Deps, func(module *debug.Module) bool {
-			return strings.Contains(module.Path, name) || (module.Replace != nil && strings.Contains(module.Replace.Path, name))
-		})
-		if looseDependency != nil {
-			return looseDependency.Path, true
-		}
-	}
-	return "", false
-}
-
-func isValidVersion(version string) bool {
-	if version == "(devel)" {
-		return false
-	}
-	if strings.Contains(version, "v0.0.0") {
-		return false
-	}
-	return true
-}

experimental/libbox/command_client.go

@@ -25,7 +25,6 @@ type CommandClientOptions struct {
 type CommandClientHandler interface {
 	Connected()
 	Disconnected(message string)
-	ClearLog()
 	WriteLog(message string)
 	WriteStatus(message *StatusMessage)
 	WriteGroups(message OutboundGroupIterator)

experimental/libbox/command_log.go

@@ -23,9 +23,6 @@ func readLog(reader io.Reader) ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	if messageLength == 0 {
-		return nil, nil
-	}
 	data := make([]byte, messageLength)
 	_, err = io.ReadFull(reader, data)
 	if err != nil {
@@ -35,24 +32,14 @@ func readLog(reader io.Reader) ([]byte, error) {
 }
 
 func writeLog(writer io.Writer, message []byte) error {
-	err := binary.Write(writer, binary.BigEndian, uint8(0))
+	err := binary.Write(writer, binary.BigEndian, uint16(len(message)))
 	if err != nil {
 		return err
 	}
-	err = binary.Write(writer, binary.BigEndian, uint16(len(message)))
-	if err != nil {
-		return err
-	}
-	if len(message) > 0 {
-		_, err = writer.Write(message)
-	}
+	_, err = writer.Write(message)
 	return err
 }
 
-func writeClearLog(writer io.Writer) error {
-	return binary.Write(writer, binary.BigEndian, uint8(1))
-}
-
 func (s *CommandServer) handleLogConn(conn net.Conn) error {
 	var savedLines []string
 	s.access.Lock()
@@ -82,11 +69,6 @@ func (s *CommandServer) handleLogConn(conn net.Conn) error {
 			if err != nil {
 				return err
 			}
-		case <-s.logReset:
-			err = writeClearLog(conn)
-			if err != nil {
-				return err
-			}
 		case <-done:
 			return nil
 		}
@@ -95,24 +77,12 @@ func (s *CommandServer) handleLogConn(conn net.Conn) error {
 
 func (c *CommandClient) handleLogConn(conn net.Conn) {
 	for {
-		var messageType uint8
-		err := binary.Read(conn, binary.BigEndian, &messageType)
+		message, err := readLog(conn)
 		if err != nil {
 			c.handler.Disconnected(err.Error())
 			return
 		}
-		var message []byte
-		switch messageType {
-		case 0:
-			message, err = readLog(conn)
-			if err != nil {
-				c.handler.Disconnected(err.Error())
-				return
-			}
-			c.handler.WriteLog(string(message))
-		case 1:
-			c.handler.ClearLog()
-		}
+		c.handler.WriteLog(string(message))
 	}
 }
 

experimental/libbox/command_server.go

@@ -23,16 +23,14 @@ type CommandServer struct {
 	handler  CommandServerHandler
 
 	access     sync.Mutex
-	savedLines list.List[string]
+	savedLines *list.List[string]
 	maxLines   int
 	subscriber *observable.Subscriber[string]
 	observer   *observable.Observer[string]
 	service    *BoxService
 
-	// These channels only work with a single client. if multi-client support is needed, replace with Subscriber/Observer
 	urlTestUpdate chan struct{}
 	modeUpdate    chan struct{}
-	logReset      chan struct{}
 }
 
 type CommandServerHandler interface {
@@ -44,11 +42,11 @@ type CommandServerHandler interface {
 func NewCommandServer(handler CommandServerHandler, maxLines int32) *CommandServer {
 	server := &CommandServer{
 		handler:       handler,
+		savedLines:    new(list.List[string]),
 		maxLines:      int(maxLines),
 		subscriber:    observable.NewSubscriber[string](128),
 		urlTestUpdate: make(chan struct{}, 1),
 		modeUpdate:    make(chan struct{}, 1),
-		logReset:      make(chan struct{}, 1),
 	}
 	server.observer = observable.NewObserver[string](server.subscriber, 64)
 	return server
@@ -58,11 +56,6 @@ func (s *CommandServer) SetService(newService *BoxService) {
 	if newService != nil {
 		service.PtrFromContext[urltest.HistoryStorage](newService.ctx).SetHook(s.urlTestUpdate)
 		newService.instance.Router().ClashServer().(*clashapi.Server).SetModeUpdateHook(s.modeUpdate)
-		s.savedLines.Init()
-		select {
-		case s.logReset <- struct{}{}:
-		default:
-		}
 	}
 	s.service = newService
 	s.notifyURLTestUpdate()

experimental/libbox/monitor.go

@@ -65,17 +65,6 @@ func (m *platformDefaultInterfaceMonitor) DefaultInterfaceIndex(destination neti
 	return m.defaultInterfaceIndex
 }
 
-func (m *platformDefaultInterfaceMonitor) DefaultInterface(destination netip.Addr) (string, int) {
-	for _, address := range m.networkAddresses {
-		for _, prefix := range address.addresses {
-			if prefix.Contains(destination) {
-				return address.interfaceName, address.interfaceIndex
-			}
-		}
-	}
-	return m.defaultInterfaceName, m.defaultInterfaceIndex
-}
-
 func (m *platformDefaultInterfaceMonitor) OverrideAndroidVPN() bool {
 	return false
 }

experimental/libbox/service.go

@@ -80,7 +80,6 @@ func (s *BoxService) Sleep() {
 
 func (s *BoxService) Wake() {
 	s.pauseManager.DeviceWake()
-	_ = s.instance.Router().ResetNetwork()
 }
 
 var _ platform.Interface = (*platformInterfaceWrapper)(nil)

go.mod

@@ -4,15 +4,16 @@ go 1.20
 
 require (
 	berty.tech/go-libtor v1.0.385
+	github.com/Dreamacro/clash v1.17.0
 	github.com/caddyserver/certmagic v0.19.2
-	github.com/cloudflare/circl v1.3.5
+	github.com/cloudflare/circl v1.3.3
 	github.com/cretz/bine v0.2.0
-	github.com/fsnotify/fsnotify v1.7.0
+	github.com/fsnotify/fsnotify v1.6.0
 	github.com/go-chi/chi/v5 v5.0.10
 	github.com/go-chi/cors v1.2.1
 	github.com/go-chi/render v1.0.3
 	github.com/gofrs/uuid/v5 v5.0.0
-	github.com/insomniacslk/dhcp v0.0.0-20231016090811-6a2c8fbdcc1c
+	github.com/insomniacslk/dhcp v0.0.0-20230908212754-65c27093e38a
 	github.com/libdns/alidns v1.0.3
 	github.com/libdns/cloudflare v0.1.0
 	github.com/logrusorgru/aurora v2.0.3+incompatible
@@ -20,20 +21,20 @@ require (
 	github.com/miekg/dns v1.1.56
 	github.com/ooni/go-libtor v1.1.8
 	github.com/oschwald/maxminddb-golang v1.12.0
-	github.com/sagernet/bbolt v0.0.0-20231014093535-ea5cb2fe9f0a
+	github.com/pires/go-proxyproto v0.7.0
 	github.com/sagernet/cloudflare-tls v0.0.0-20230829051644-4a68352d0c4a
 	github.com/sagernet/gomobile v0.0.0-20230915142329-c6740b6d2950
-	github.com/sagernet/gvisor v0.0.0-20230930141345-5fef6f2e17ab
-	github.com/sagernet/quic-go v0.0.0-20231008035953-32727fef9460
+	github.com/sagernet/gvisor v0.0.0-20230627031050-1ab0276e0dd2
+	github.com/sagernet/quic-go v0.0.0-20230919101909-0cc6c5dcecee
 	github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691
-	github.com/sagernet/sing v0.2.16-0.20231021090846-8002db54c028
-	github.com/sagernet/sing-dns v0.1.10
+	github.com/sagernet/sing v0.2.12-0.20230925092853-5b05b5c147d9
+	github.com/sagernet/sing-dns v0.1.10-0.20230921024525-fc3e4c051ccd
 	github.com/sagernet/sing-mux v0.1.3
-	github.com/sagernet/sing-quic v0.1.3-0.20231026034240-fa3d997246b6
+	github.com/sagernet/sing-quic v0.1.1-0.20230922040527-541e66a4a16d
 	github.com/sagernet/sing-shadowsocks v0.2.5
 	github.com/sagernet/sing-shadowsocks2 v0.1.4
 	github.com/sagernet/sing-shadowtls v0.1.4
-	github.com/sagernet/sing-tun v0.1.17-0.20231026060825-efd9884154a6
+	github.com/sagernet/sing-tun v0.1.13-0.20230925091515-8adce0ea02a9
 	github.com/sagernet/sing-vmess v0.1.8
 	github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37
 	github.com/sagernet/tfo-go v0.0.0-20230816093905-5a5c285d44a6
@@ -42,24 +43,25 @@ require (
 	github.com/sagernet/wireguard-go v0.0.0-20230807125731-5d4a7ef2dc5f
 	github.com/spf13/cobra v1.7.0
 	github.com/stretchr/testify v1.8.4
+	go.etcd.io/bbolt v1.3.7
 	go.uber.org/zap v1.26.0
 	go4.org/netipx v0.0.0-20230824141953-6213f710f925
-	golang.org/x/crypto v0.14.0
-	golang.org/x/net v0.17.0
-	golang.org/x/sys v0.13.0
+	golang.org/x/crypto v0.13.0
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9
+	golang.org/x/net v0.15.0
+	golang.org/x/sys v0.12.0
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6
-	google.golang.org/grpc v1.59.0
+	google.golang.org/grpc v1.58.1
 	google.golang.org/protobuf v1.31.0
 	howett.net/plist v1.0.0
 )
 
 //replace github.com/sagernet/sing => ../sing
-
 require (
+	github.com/Dreamacro/protobytes v0.0.0-20230617041236-6500a9f4f158 // indirect
 	github.com/ajg/form v1.5.1 // indirect
 	github.com/andybalholm/brotli v1.0.5 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/getsentry/sentry-go v0.25.0 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
 	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
@@ -68,7 +70,7 @@ require (
 	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 v1.16.0 // indirect
+	github.com/klauspost/compress v1.15.15 // 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
@@ -85,12 +87,11 @@ require (
 	github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 // indirect
 	github.com/zeebo/blake3 v0.2.3 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
-	golang.org/x/mod v0.13.0 // indirect
+	golang.org/x/mod v0.12.0 // indirect
 	golang.org/x/text v0.13.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
-	golang.org/x/tools v0.14.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d // indirect
+	golang.org/x/tools v0.13.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	lukechampine.com/blake3 v1.2.1 // indirect

go.sum

@@ -1,5 +1,9 @@
 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 v1.17.0 h1:LWtp6KcnrCiujY58ufI8pylI+hbCBgSCsLI90EWhpi4=
+github.com/Dreamacro/clash v1.17.0/go.mod h1:PtcAft7sdsK325BD6uwm8wvhOkMV3TCeED6dfZ/lnfE=
+github.com/Dreamacro/protobytes v0.0.0-20230617041236-6500a9f4f158 h1:JFnwKplz9hj8ubqYjm8HkgZS1Rvz9yW+u/XCNNTxr0k=
+github.com/Dreamacro/protobytes v0.0.0-20230617041236-6500a9f4f158/go.mod h1:QvmEZ/h6KXszPOr2wUFl7Zn3hfFNYdfbXwPVDTyZs6k=
 github.com/ajg/form v1.5.1 h1:t9c7v8JUKu/XxOGBU0yjNpaMloxGEJhUkqFRq0ibGeU=
 github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
 github.com/andybalholm/brotli v1.0.5 h1:8uQZIdzKmjc/iuPu7O2ioW48L81FgatrcpfFmiq/cCs=
@@ -9,8 +13,8 @@ github.com/caddyserver/certmagic v0.19.2/go.mod h1:fsL01NomQ6N+kE2j37ZCnig2MFosG
 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=
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@@ -18,10 +22,8 @@ github.com/cretz/bine v0.2.0/go.mod h1:WU4o9QR9wWp8AVKtTM1XD5vUHkEqnf2vVSo6dBqbe
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@@ -49,15 +51,14 @@ github.com/hashicorp/yamux v0.1.1/go.mod h1:CtWFDAQgb7dxtzFs4tWbplKIe2jSi3+5vKbg
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@@ -88,6 +89,8 @@ github.com/oschwald/maxminddb-golang v1.12.0 h1:9FnTOD0YOhP7DGxGsq4glzpGy5+w7pq5
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@@ -95,40 +98,38 @@ github.com/quic-go/qpack v0.4.0/go.mod h1:UZVnYIfi5GRk+zI9UMaCPsmZ2xKJP7XBUvVyT1
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@@ -163,6 +164,8 @@ github.com/zeebo/blake3 v0.2.3 h1:TFoLXsjeXqRNFxSbk35Dk4YtszE/MQQGK10BH4ptoTg=
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@@ -172,17 +175,17 @@ go4.org/netipx v0.0.0-20230824141953-6213f710f925 h1:eeQDDVKFkx0g4Hyy8pHgmZaK0Eq
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+golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
+golang.org/x/mod v0.12.0 h1:rmsUpXtvNzj340zd98LZ4KntptpfRHwpFOHG188oHXc=
+golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
-golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
-golang.org/x/sync v0.4.0 h1:zxkM55ReGkDlKSM+Fu41A+zmbZuaPVbGMzvvdUPznYQ=
+golang.org/x/net v0.15.0 h1:ugBLEUaxABaB5AJqW9enI0ACdci2RUd4eP51NTBvuJ8=
+golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
+golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
 golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200217220822-9197077df867/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -190,12 +193,13 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20220622161953-175b2fd9d664/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220731174439-a90be440212d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
-golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
+golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/term v0.13.0 h1:bb+I9cTfFazGW51MZqBVmZy7+JEJMouUHTUSKVQLBek=
+golang.org/x/term v0.12.0 h1:/ZfYdc3zq+q02Rv9vGqTeSItdzZTSNDmfTi0mBAuidU=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
@@ -203,15 +207,15 @@ golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/time v0.3.0 h1:rg5rLMjNzMS1RkNLzCG38eapWhnYLFYXDXj2gOlr8j4=
 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 v0.14.0 h1:jvNa2pY0M4r62jkRQ6RwEZZyPcymeL9XZMLBbV7U2nc=
-golang.org/x/tools v0.14.0/go.mod h1:uYBEerGOWcJyEORxN+Ek8+TT266gXkNlHdJBwexUsBg=
+golang.org/x/tools v0.13.0 h1:Iey4qkscZuv0VvIt8E0neZjtPVQFSc870HQ448QgEmQ=
+golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/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/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d h1:uvYuEyMHKNt+lT4K3bN6fGswmK8qSvcreM3BwjDh+y4=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d/go.mod h1:+Bk1OCOj40wS2hwAMA+aCW9ypzm63QTBBHp6lQ3p+9M=
-google.golang.org/grpc v1.59.0 h1:Z5Iec2pjwb+LEOqzpB2MR12/eKFhDPhuqW91O+4bwUk=
-google.golang.org/grpc v1.59.0/go.mod h1:aUPDwccQo6OTjy7Hct4AfBPD1GptF4fyUjIkQ9YtF98=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 h1:bVf09lpb+OJbByTj913DRJioFFAjf/ZGxEz7MajTp2U=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98/go.mod h1:TUfxEVdsvPg18p6AslUXFoLdpED4oBnGwyqk3dV1XzM=
+google.golang.org/grpc v1.58.1 h1:OL+Vz23DTtrrldqHK49FUOPHyY75rvFqJfXC84NYW58=
+google.golang.org/grpc v1.58.1/go.mod h1:tgX3ZQDlNJGU96V6yHh1T/JeoBQ2TXdr43YbYSsCJk0=
 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 v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=

inbound/default_tcp.go

@@ -5,6 +5,7 @@ import (
 	"net"
 
 	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/proxyproto"
 	"github.com/sagernet/sing-box/log"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
@@ -33,8 +34,9 @@ func (a *myInboundAdapter) ListenTCP() (net.Listener, error) {
 	if err == nil {
 		a.logger.Info("tcp server started at ", tcpListener.Addr())
 	}
-	if a.listenOptions.ProxyProtocol || a.listenOptions.ProxyProtocolAcceptNoHeader {
-		return nil, E.New("Proxy Protocol is deprecated and removed in sing-box 1.6.0")
+	if a.listenOptions.ProxyProtocol {
+		a.logger.Warn("Proxy Protocol is deprecated, see https://sing-box.sagernet.org/deprecated")
+		tcpListener = &proxyproto.Listener{Listener: tcpListener, AcceptNoHeader: a.listenOptions.ProxyProtocolAcceptNoHeader}
 	}
 	a.tcpListener = tcpListener
 	return tcpListener, err

inbound/hysteria.go

@@ -4,38 +4,104 @@ package inbound
 
 import (
 	"context"
-	"net"
+	"sync"
 
+	"github.com/sagernet/quic-go"
 	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/common/humanize"
 	"github.com/sagernet/sing-box/common/tls"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-quic/hysteria"
+	"github.com/sagernet/sing-box/transport/hysteria"
+	"github.com/sagernet/sing-quic"
+	hyCC "github.com/sagernet/sing-quic/hysteria2/congestion"
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/auth"
 	E "github.com/sagernet/sing/common/exceptions"
+	F "github.com/sagernet/sing/common/format"
+	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
+
+	"golang.org/x/exp/slices"
 )
 
 var _ adapter.Inbound = (*Hysteria)(nil)
 
 type Hysteria struct {
 	myInboundAdapter
+	quicConfig   *quic.Config
 	tlsConfig    tls.ServerConfig
-	service      *hysteria.Service[int]
-	userNameList []string
+	authKey      []string
+	authUser     []string
+	xplusKey     []byte
+	sendBPS      uint64
+	recvBPS      uint64
+	listener     qtls.Listener
+	udpAccess    sync.RWMutex
+	udpSessionId uint32
+	udpSessions  map[uint32]chan *hysteria.UDPMessage
+	udpDefragger hysteria.Defragger
 }
 
 func NewHysteria(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.HysteriaInboundOptions) (*Hysteria, error) {
 	options.UDPFragmentDefault = true
-	if options.TLS == nil || !options.TLS.Enabled {
-		return nil, C.ErrTLSRequired
+	quicConfig := &quic.Config{
+		InitialStreamReceiveWindow:     options.ReceiveWindowConn,
+		MaxStreamReceiveWindow:         options.ReceiveWindowConn,
+		InitialConnectionReceiveWindow: options.ReceiveWindowClient,
+		MaxConnectionReceiveWindow:     options.ReceiveWindowClient,
+		MaxIncomingStreams:             int64(options.MaxConnClient),
+		KeepAlivePeriod:                hysteria.KeepAlivePeriod,
+		DisablePathMTUDiscovery:        options.DisableMTUDiscovery || !(C.IsLinux || C.IsWindows),
+		EnableDatagrams:                true,
 	}
-	tlsConfig, err := tls.NewServer(ctx, logger, common.PtrValueOrDefault(options.TLS))
-	if err != nil {
-		return nil, err
+	if options.ReceiveWindowConn == 0 {
+		quicConfig.InitialStreamReceiveWindow = hysteria.DefaultStreamReceiveWindow
+		quicConfig.MaxStreamReceiveWindow = hysteria.DefaultStreamReceiveWindow
+	}
+	if options.ReceiveWindowClient == 0 {
+		quicConfig.InitialConnectionReceiveWindow = hysteria.DefaultConnectionReceiveWindow
+		quicConfig.MaxConnectionReceiveWindow = hysteria.DefaultConnectionReceiveWindow
+	}
+	if quicConfig.MaxIncomingStreams == 0 {
+		quicConfig.MaxIncomingStreams = hysteria.DefaultMaxIncomingStreams
+	}
+	authKey := common.Map(options.Users, func(it option.HysteriaUser) string {
+		if len(it.Auth) > 0 {
+			return string(it.Auth)
+		} else {
+			return it.AuthString
+		}
+	})
+	authUser := common.Map(options.Users, func(it option.HysteriaUser) string {
+		return it.Name
+	})
+	var xplus []byte
+	if options.Obfs != "" {
+		xplus = []byte(options.Obfs)
+	}
+	var up, down uint64
+	if len(options.Up) > 0 {
+		up = hysteria.StringToBps(options.Up)
+		if up == 0 {
+			return nil, E.New("invalid up speed format: ", options.Up)
+		}
+	} else {
+		up = uint64(options.UpMbps) * hysteria.MbpsToBps
+	}
+	if len(options.Down) > 0 {
+		down = hysteria.StringToBps(options.Down)
+		if down == 0 {
+			return nil, E.New("invalid down speed format: ", options.Down)
+		}
+	} else {
+		down = uint64(options.DownMbps) * hysteria.MbpsToBps
+	}
+	if up < hysteria.MinSpeedBPS {
+		return nil, E.New("invalid up speed")
+	}
+	if down < hysteria.MinSpeedBPS {
+		return nil, E.New("invalid down speed")
 	}
 	inbound := &Hysteria{
 		myInboundAdapter: myInboundAdapter{
@@ -47,108 +113,224 @@ func NewHysteria(ctx context.Context, router adapter.Router, logger log.ContextL
 			tag:           tag,
 			listenOptions: options.ListenOptions,
 		},
-		tlsConfig: tlsConfig,
+		quicConfig:  quicConfig,
+		authKey:     authKey,
+		authUser:    authUser,
+		xplusKey:    xplus,
+		sendBPS:     up,
+		recvBPS:     down,
+		udpSessions: make(map[uint32]chan *hysteria.UDPMessage),
 	}
-	var sendBps, receiveBps uint64
-	if len(options.Up) > 0 {
-		sendBps, err = humanize.ParseBytes(options.Up)
-		if err != nil {
-			return nil, E.Cause(err, "invalid up speed format: ", options.Up)
-		}
-	} else {
-		sendBps = uint64(options.UpMbps) * hysteria.MbpsToBps
+	if options.TLS == nil || !options.TLS.Enabled {
+		return nil, C.ErrTLSRequired
 	}
-	if len(options.Down) > 0 {
-		receiveBps, err = humanize.ParseBytes(options.Down)
-		if receiveBps == 0 {
-			return nil, E.New("invalid down speed format: ", options.Down)
-		}
-	} else {
-		receiveBps = uint64(options.DownMbps) * hysteria.MbpsToBps
+	if len(options.TLS.ALPN) == 0 {
+		options.TLS.ALPN = []string{hysteria.DefaultALPN}
 	}
-	service, err := hysteria.NewService[int](hysteria.ServiceOptions{
-		Context:       ctx,
-		Logger:        logger,
-		SendBPS:       sendBps,
-		ReceiveBPS:    receiveBps,
-		XPlusPassword: options.Obfs,
-		TLSConfig:     tlsConfig,
-		Handler:       adapter.NewUpstreamHandler(adapter.InboundContext{}, inbound.newConnection, inbound.newPacketConnection, nil),
-
-		// Legacy options
-
-		ConnReceiveWindow:   options.ReceiveWindowConn,
-		StreamReceiveWindow: options.ReceiveWindowClient,
-		MaxIncomingStreams:  int64(options.MaxConnClient),
-		DisableMTUDiscovery: options.DisableMTUDiscovery,
-	})
+	tlsConfig, err := tls.NewServer(ctx, logger, common.PtrValueOrDefault(options.TLS))
 	if err != nil {
 		return nil, err
 	}
-	userList := make([]int, 0, len(options.Users))
-	userNameList := make([]string, 0, len(options.Users))
-	userPasswordList := make([]string, 0, len(options.Users))
-	for index, user := range options.Users {
-		userList = append(userList, index)
-		userNameList = append(userNameList, user.Name)
-		var password string
-		if user.AuthString != "" {
-			password = user.AuthString
-		} else {
-			password = string(user.Auth)
-		}
-		userPasswordList = append(userPasswordList, password)
-	}
-	service.UpdateUsers(userList, userPasswordList)
-	inbound.service = service
-	inbound.userNameList = userNameList
+	inbound.tlsConfig = tlsConfig
 	return inbound, nil
 }
 
-func (h *Hysteria) newConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
-	ctx = log.ContextWithNewID(ctx)
-	metadata = h.createMetadata(conn, metadata)
-	userID, _ := auth.UserFromContext[int](ctx)
-	if userName := h.userNameList[userID]; userName != "" {
-		metadata.User = userName
-		h.logger.InfoContext(ctx, "[", userName, "] inbound connection to ", metadata.Destination)
-	} else {
-		h.logger.InfoContext(ctx, "inbound connection to ", metadata.Destination)
-	}
-	return h.router.RouteConnection(ctx, conn, metadata)
-}
-
-func (h *Hysteria) newPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
-	ctx = log.ContextWithNewID(ctx)
-	metadata = h.createPacketMetadata(conn, metadata)
-	userID, _ := auth.UserFromContext[int](ctx)
-	if userName := h.userNameList[userID]; userName != "" {
-		metadata.User = userName
-		h.logger.InfoContext(ctx, "[", userName, "] inbound packet connection to ", metadata.Destination)
-	} else {
-		h.logger.InfoContext(ctx, "inbound packet connection to ", metadata.Destination)
-	}
-	return h.router.RoutePacketConnection(ctx, conn, metadata)
-}
-
 func (h *Hysteria) Start() error {
-	if h.tlsConfig != nil {
-		err := h.tlsConfig.Start()
-		if err != nil {
-			return err
-		}
-	}
 	packetConn, err := h.myInboundAdapter.ListenUDP()
 	if err != nil {
 		return err
 	}
-	return h.service.Start(packetConn)
+	if len(h.xplusKey) > 0 {
+		packetConn = hysteria.NewXPlusPacketConn(packetConn, h.xplusKey)
+		packetConn = &hysteria.PacketConnWrapper{PacketConn: packetConn}
+	}
+	err = h.tlsConfig.Start()
+	if err != nil {
+		return err
+	}
+	listener, err := qtls.Listen(packetConn, h.tlsConfig, h.quicConfig)
+	if err != nil {
+		return err
+	}
+	h.listener = listener
+	h.logger.Info("udp server started at ", listener.Addr())
+	go h.acceptLoop()
+	return nil
+}
+
+func (h *Hysteria) acceptLoop() {
+	for {
+		ctx := log.ContextWithNewID(h.ctx)
+		conn, err := h.listener.Accept(ctx)
+		if err != nil {
+			return
+		}
+		go func() {
+			hErr := h.accept(ctx, conn)
+			if hErr != nil {
+				conn.CloseWithError(0, "")
+				NewError(h.logger, ctx, E.Cause(hErr, "process connection from ", conn.RemoteAddr()))
+			}
+		}()
+	}
+}
+
+func (h *Hysteria) accept(ctx context.Context, conn quic.Connection) error {
+	controlStream, err := conn.AcceptStream(ctx)
+	if err != nil {
+		return err
+	}
+	clientHello, err := hysteria.ReadClientHello(controlStream)
+	if err != nil {
+		return err
+	}
+	if len(h.authKey) > 0 {
+		userIndex := slices.Index(h.authKey, string(clientHello.Auth))
+		if userIndex == -1 {
+			err = hysteria.WriteServerHello(controlStream, hysteria.ServerHello{
+				Message: "wrong password",
+			})
+			return E.Errors(E.New("wrong password: ", string(clientHello.Auth)), err)
+		}
+		user := h.authUser[userIndex]
+		if user == "" {
+			user = F.ToString(userIndex)
+		} else {
+			ctx = auth.ContextWithUser(ctx, user)
+		}
+		h.logger.InfoContext(ctx, "[", user, "] inbound connection from ", conn.RemoteAddr())
+	} else {
+		h.logger.InfoContext(ctx, "inbound connection from ", conn.RemoteAddr())
+	}
+	h.logger.DebugContext(ctx, "peer send speed: ", clientHello.SendBPS/1024/1024, " MBps, peer recv speed: ", clientHello.RecvBPS/1024/1024, " MBps")
+	if clientHello.SendBPS == 0 || clientHello.RecvBPS == 0 {
+		return E.New("invalid rate from client")
+	}
+	serverSendBPS, serverRecvBPS := clientHello.RecvBPS, clientHello.SendBPS
+	if h.sendBPS > 0 && serverSendBPS > h.sendBPS {
+		serverSendBPS = h.sendBPS
+	}
+	if h.recvBPS > 0 && serverRecvBPS > h.recvBPS {
+		serverRecvBPS = h.recvBPS
+	}
+	err = hysteria.WriteServerHello(controlStream, hysteria.ServerHello{
+		OK:      true,
+		SendBPS: serverSendBPS,
+		RecvBPS: serverRecvBPS,
+	})
+	if err != nil {
+		return err
+	}
+	conn.SetCongestionControl(hyCC.NewBrutalSender(serverSendBPS))
+	go h.udpRecvLoop(conn)
+	for {
+		var stream quic.Stream
+		stream, err = conn.AcceptStream(ctx)
+		if err != nil {
+			return err
+		}
+		go func() {
+			hErr := h.acceptStream(ctx, conn /*&hysteria.StreamWrapper{Stream: stream}*/, stream)
+			if hErr != nil {
+				stream.Close()
+				NewError(h.logger, ctx, E.Cause(hErr, "process stream from ", conn.RemoteAddr()))
+			}
+		}()
+	}
+}
+
+func (h *Hysteria) udpRecvLoop(conn quic.Connection) {
+	for {
+		packet, err := conn.ReceiveMessage(h.ctx)
+		if err != nil {
+			return
+		}
+		message, err := hysteria.ParseUDPMessage(packet)
+		if err != nil {
+			h.logger.Error("parse udp message: ", err)
+			continue
+		}
+		dfMsg := h.udpDefragger.Feed(message)
+		if dfMsg == nil {
+			continue
+		}
+		h.udpAccess.RLock()
+		ch, ok := h.udpSessions[dfMsg.SessionID]
+		if ok {
+			select {
+			case ch <- dfMsg:
+				// OK
+			default:
+				// Silently drop the message when the channel is full
+			}
+		}
+		h.udpAccess.RUnlock()
+	}
+}
+
+func (h *Hysteria) acceptStream(ctx context.Context, conn quic.Connection, stream quic.Stream) error {
+	request, err := hysteria.ReadClientRequest(stream)
+	if err != nil {
+		return err
+	}
+	var metadata adapter.InboundContext
+	metadata.Inbound = h.tag
+	metadata.InboundType = C.TypeHysteria
+	metadata.InboundOptions = h.listenOptions.InboundOptions
+	metadata.Source = M.SocksaddrFromNet(conn.RemoteAddr()).Unwrap()
+	metadata.OriginDestination = M.SocksaddrFromNet(conn.LocalAddr()).Unwrap()
+	metadata.Destination = M.ParseSocksaddrHostPort(request.Host, request.Port).Unwrap()
+	metadata.User, _ = auth.UserFromContext[string](ctx)
+
+	if !request.UDP {
+		err = hysteria.WriteServerResponse(stream, hysteria.ServerResponse{
+			OK: true,
+		})
+		if err != nil {
+			return err
+		}
+		h.logger.InfoContext(ctx, "inbound connection to ", metadata.Destination)
+		return h.router.RouteConnection(ctx, hysteria.NewConn(stream, metadata.Destination, false), metadata)
+	} else {
+		h.logger.InfoContext(ctx, "inbound packet connection to ", metadata.Destination)
+		var id uint32
+		h.udpAccess.Lock()
+		id = h.udpSessionId
+		nCh := make(chan *hysteria.UDPMessage, 1024)
+		h.udpSessions[id] = nCh
+		h.udpSessionId += 1
+		h.udpAccess.Unlock()
+		err = hysteria.WriteServerResponse(stream, hysteria.ServerResponse{
+			OK:           true,
+			UDPSessionID: id,
+		})
+		if err != nil {
+			return err
+		}
+		packetConn := hysteria.NewPacketConn(conn, stream, id, metadata.Destination, nCh, common.Closer(func() error {
+			h.udpAccess.Lock()
+			if ch, ok := h.udpSessions[id]; ok {
+				close(ch)
+				delete(h.udpSessions, id)
+			}
+			h.udpAccess.Unlock()
+			return nil
+		}))
+		go packetConn.Hold()
+		return h.router.RoutePacketConnection(ctx, packetConn, metadata)
+	}
 }
 
 func (h *Hysteria) Close() error {
+	h.udpAccess.Lock()
+	for _, session := range h.udpSessions {
+		close(session)
+	}
+	h.udpSessions = make(map[uint32]chan *hysteria.UDPMessage)
+	h.udpAccess.Unlock()
 	return common.Close(
 		&h.myInboundAdapter,
+		h.listener,
 		h.tlsConfig,
-		common.PtrOrNil(h.service),
 	)
 }

inbound/hysteria2.go

@@ -14,7 +14,7 @@ import (
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-quic/hysteria"
+	"github.com/sagernet/sing-box/transport/hysteria"
 	"github.com/sagernet/sing-quic/hysteria2"
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/auth"
@@ -32,7 +32,6 @@ type Hysteria2 struct {
 }
 
 func NewHysteria2(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.Hysteria2InboundOptions) (*Hysteria2, error) {
-	options.UDPFragmentDefault = true
 	if options.TLS == nil || !options.TLS.Enabled {
 		return nil, C.ErrTLSRequired
 	}
@@ -90,7 +89,6 @@ func NewHysteria2(ctx context.Context, router adapter.Router, logger log.Context
 	service, err := hysteria2.NewService[int](hysteria2.ServiceOptions{
 		Context:               ctx,
 		Logger:                logger,
-		BrutalDebug:           options.BrutalDebug,
 		SendBPS:               uint64(options.UpMbps * hysteria.MbpsToBps),
 		ReceiveBPS:            uint64(options.DownMbps * hysteria.MbpsToBps),
 		SalamanderPassword:    salamanderPassword,

inbound/naive.go

@@ -2,6 +2,7 @@ package inbound
 
 import (
 	"context"
+	"encoding/base64"
 	"encoding/binary"
 	"io"
 	"math/rand"
@@ -138,9 +139,14 @@ func (n *Naive) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
 		n.badRequest(ctx, request, E.New("missing naive padding"))
 		return
 	}
-	userName, password, authOk := sHttp.ParseBasicAuth(request.Header.Get("Proxy-Authorization"))
-	if authOk {
-		authOk = n.authenticator.Verify(userName, password)
+	var authOk bool
+	var userName string
+	authorization := request.Header.Get("Proxy-Authorization")
+	if strings.HasPrefix(authorization, "BASIC ") || strings.HasPrefix(authorization, "Basic ") {
+		userPassword, _ := base64.URLEncoding.DecodeString(authorization[6:])
+		userPswdArr := strings.SplitN(string(userPassword), ":", 2)
+		userName = userPswdArr[0]
+		authOk = n.authenticator.Verify(userPswdArr[0], userPswdArr[1])
 	}
 	if !authOk {
 		rejectHTTP(writer, http.StatusProxyAuthRequired)

inbound/trojan.go

@@ -227,3 +227,10 @@ func (t *trojanTransportHandler) NewConnection(ctx context.Context, conn net.Con
 		Destination: metadata.Destination,
 	})
 }
+
+func (t *trojanTransportHandler) FallbackConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
+	return (*Trojan)(t).fallbackConnection(ctx, conn, adapter.InboundContext{
+		Source:      metadata.Source,
+		Destination: metadata.Destination,
+	})
+}

inbound/tuic.go

@@ -49,7 +49,6 @@ func NewTUIC(ctx context.Context, router adapter.Router, logger log.ContextLogge
 			tag:           tag,
 			listenOptions: options.ListenOptions,
 		},
-		tlsConfig: tlsConfig,
 	}
 	service, err := tuic.NewService[int](tuic.ServiceOptions{
 		Context:           ctx,

inbound/tun.go

@@ -73,14 +73,14 @@ func NewTun(ctx context.Context, router adapter.Router, logger log.ContextLogger
 		tunOptions: tun.Options{
 			Name:               options.InterfaceName,
 			MTU:                tunMTU,
-			Inet4Address:       options.Inet4Address,
-			Inet6Address:       options.Inet6Address,
+			Inet4Address:       common.Map(options.Inet4Address, option.ListenPrefix.Build),
+			Inet6Address:       common.Map(options.Inet6Address, option.ListenPrefix.Build),
 			AutoRoute:          options.AutoRoute,
 			StrictRoute:        options.StrictRoute,
 			IncludeInterface:   options.IncludeInterface,
 			ExcludeInterface:   options.ExcludeInterface,
-			Inet4RouteAddress:  options.Inet4RouteAddress,
-			Inet6RouteAddress:  options.Inet6RouteAddress,
+			Inet4RouteAddress:  common.Map(options.Inet4RouteAddress, option.ListenPrefix.Build),
+			Inet6RouteAddress:  common.Map(options.Inet6RouteAddress, option.ListenPrefix.Build),
 			IncludeUID:         includeUID,
 			ExcludeUID:         excludeUID,
 			IncludeAndroidUser: options.IncludeAndroidUser,

inbound/vless.go

@@ -189,3 +189,7 @@ func (t *vlessTransportHandler) NewConnection(ctx context.Context, conn net.Conn
 		Destination: metadata.Destination,
 	})
 }
+
+func (t *vlessTransportHandler) FallbackConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
+	return os.ErrInvalid
+}

inbound/vmess.go

@@ -198,3 +198,7 @@ func (t *vmessTransportHandler) NewConnection(ctx context.Context, conn net.Conn
 		Destination: metadata.Destination,
 	})
 }
+
+func (t *vmessTransportHandler) FallbackConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
+	return os.ErrInvalid
+}

option/dns.go

@@ -1,7 +1,5 @@
 package option
 
-import "net/netip"
-
 type DNSOptions struct {
 	Servers        []DNSServerOptions `json:"servers,omitempty"`
 	Rules          []DNSRule          `json:"rules,omitempty"`
@@ -30,6 +28,6 @@ type DNSClientOptions struct {
 
 type DNSFakeIPOptions struct {
 	Enabled    bool          `json:"enabled,omitempty"`
-	Inet4Range *netip.Prefix `json:"inet4_range,omitempty"`
-	Inet6Range *netip.Prefix `json:"inet6_range,omitempty"`
+	Inet4Range *ListenPrefix `json:"inet4_range,omitempty"`
+	Inet6Range *ListenPrefix `json:"inet6_range,omitempty"`
 }

option/hysteria2.go

@@ -9,7 +9,6 @@ type Hysteria2InboundOptions struct {
 	IgnoreClientBandwidth bool               `json:"ignore_client_bandwidth,omitempty"`
 	TLS                   *InboundTLSOptions `json:"tls,omitempty"`
 	Masquerade            string             `json:"masquerade,omitempty"`
-	BrutalDebug           bool               `json:"brutal_debug,omitempty"`
 }
 
 type Hysteria2Obfs struct {
@@ -25,11 +24,10 @@ type Hysteria2User struct {
 type Hysteria2OutboundOptions struct {
 	DialerOptions
 	ServerOptions
-	UpMbps      int                 `json:"up_mbps,omitempty"`
-	DownMbps    int                 `json:"down_mbps,omitempty"`
-	Obfs        *Hysteria2Obfs      `json:"obfs,omitempty"`
-	Password    string              `json:"password,omitempty"`
-	Network     NetworkList         `json:"network,omitempty"`
-	TLS         *OutboundTLSOptions `json:"tls,omitempty"`
-	BrutalDebug bool                `json:"brutal_debug,omitempty"`
+	UpMbps   int                 `json:"up_mbps,omitempty"`
+	DownMbps int                 `json:"down_mbps,omitempty"`
+	Obfs     *Hysteria2Obfs      `json:"obfs,omitempty"`
+	Password string              `json:"password,omitempty"`
+	Network  NetworkList         `json:"network,omitempty"`
+	TLS      *OutboundTLSOptions `json:"tls,omitempty"`
 }

option/simple.go

@@ -27,9 +27,9 @@ type SocksOutboundOptions struct {
 type HTTPOutboundOptions struct {
 	DialerOptions
 	ServerOptions
-	Username string              `json:"username,omitempty"`
-	Password string              `json:"password,omitempty"`
-	TLS      *OutboundTLSOptions `json:"tls,omitempty"`
-	Path     string              `json:"path,omitempty"`
-	Headers  HTTPHeader          `json:"headers,omitempty"`
+	Username string                      `json:"username,omitempty"`
+	Password string                      `json:"password,omitempty"`
+	TLS      *OutboundTLSOptions         `json:"tls,omitempty"`
+	Path     string                      `json:"path,omitempty"`
+	Headers  map[string]Listable[string] `json:"headers,omitempty"`
 }

option/tun.go

@@ -1,16 +1,14 @@
 package option
 
-import "net/netip"
-
 type TunInboundOptions struct {
 	InterfaceName          string                 `json:"interface_name,omitempty"`
 	MTU                    uint32                 `json:"mtu,omitempty"`
-	Inet4Address           Listable[netip.Prefix] `json:"inet4_address,omitempty"`
-	Inet6Address           Listable[netip.Prefix] `json:"inet6_address,omitempty"`
+	Inet4Address           Listable[ListenPrefix] `json:"inet4_address,omitempty"`
+	Inet6Address           Listable[ListenPrefix] `json:"inet6_address,omitempty"`
 	AutoRoute              bool                   `json:"auto_route,omitempty"`
 	StrictRoute            bool                   `json:"strict_route,omitempty"`
-	Inet4RouteAddress      Listable[netip.Prefix] `json:"inet4_route_address,omitempty"`
-	Inet6RouteAddress      Listable[netip.Prefix] `json:"inet6_route_address,omitempty"`
+	Inet4RouteAddress      Listable[ListenPrefix] `json:"inet4_route_address,omitempty"`
+	Inet6RouteAddress      Listable[ListenPrefix] `json:"inet6_route_address,omitempty"`
 	IncludeInterface       Listable[string]       `json:"include_interface,omitempty"`
 	ExcludeInterface       Listable[string]       `json:"exclude_interface,omitempty"`
 	IncludeUID             Listable[uint32]       `json:"include_uid,omitempty"`

option/types.go

@@ -1,7 +1,6 @@
 package option
 
 import (
-	"net/http"
 	"net/netip"
 	"strings"
 	"time"
@@ -172,6 +171,34 @@ func (d *Duration) UnmarshalJSON(bytes []byte) error {
 	return nil
 }
 
+type ListenPrefix netip.Prefix
+
+func (p ListenPrefix) MarshalJSON() ([]byte, error) {
+	prefix := netip.Prefix(p)
+	if !prefix.IsValid() {
+		return json.Marshal(nil)
+	}
+	return json.Marshal(prefix.String())
+}
+
+func (p *ListenPrefix) UnmarshalJSON(bytes []byte) error {
+	var value string
+	err := json.Unmarshal(bytes, &value)
+	if err != nil {
+		return err
+	}
+	prefix, err := netip.ParsePrefix(value)
+	if err != nil {
+		return err
+	}
+	*p = ListenPrefix(prefix)
+	return nil
+}
+
+func (p ListenPrefix) Build() netip.Prefix {
+	return netip.Prefix(p)
+}
+
 type DNSQueryType uint16
 
 func (t DNSQueryType) MarshalJSON() ([]byte, error) {
@@ -208,15 +235,3 @@ func DNSQueryTypeToString(queryType uint16) string {
 	}
 	return F.ToString(queryType)
 }
-
-type HTTPHeader map[string]Listable[string]
-
-func (h HTTPHeader) Build() http.Header {
-	header := make(http.Header)
-	for name, values := range h {
-		for _, value := range values {
-			header.Add(name, value)
-		}
-	}
-	return header
-}

option/v2ray_transport.go

@@ -61,19 +61,19 @@ func (o *V2RayTransportOptions) UnmarshalJSON(bytes []byte) error {
 }
 
 type V2RayHTTPOptions struct {
-	Host        Listable[string] `json:"host,omitempty"`
-	Path        string           `json:"path,omitempty"`
-	Method      string           `json:"method,omitempty"`
-	Headers     HTTPHeader       `json:"headers,omitempty"`
-	IdleTimeout Duration         `json:"idle_timeout,omitempty"`
-	PingTimeout Duration         `json:"ping_timeout,omitempty"`
+	Host        Listable[string]            `json:"host,omitempty"`
+	Path        string                      `json:"path,omitempty"`
+	Method      string                      `json:"method,omitempty"`
+	Headers     map[string]Listable[string] `json:"headers,omitempty"`
+	IdleTimeout Duration                    `json:"idle_timeout,omitempty"`
+	PingTimeout Duration                    `json:"ping_timeout,omitempty"`
 }
 
 type V2RayWebsocketOptions struct {
-	Path                string     `json:"path,omitempty"`
-	Headers             HTTPHeader `json:"headers,omitempty"`
-	MaxEarlyData        uint32     `json:"max_early_data,omitempty"`
-	EarlyDataHeaderName string     `json:"early_data_header_name,omitempty"`
+	Path                string                      `json:"path,omitempty"`
+	Headers             map[string]Listable[string] `json:"headers,omitempty"`
+	MaxEarlyData        uint32                      `json:"max_early_data,omitempty"`
+	EarlyDataHeaderName string                      `json:"early_data_header_name,omitempty"`
 }
 
 type V2RayQUICOptions struct{}

option/wireguard.go

@@ -1,12 +1,10 @@
 package option
 
-import "net/netip"
-
 type WireGuardOutboundOptions struct {
 	DialerOptions
 	SystemInterface bool                   `json:"system_interface,omitempty"`
 	InterfaceName   string                 `json:"interface_name,omitempty"`
-	LocalAddress    Listable[netip.Prefix] `json:"local_address"`
+	LocalAddress    Listable[ListenPrefix] `json:"local_address"`
 	PrivateKey      string                 `json:"private_key"`
 	Peers           []WireGuardPeer        `json:"peers,omitempty"`
 	ServerOptions

outbound/default.go

@@ -11,13 +11,11 @@ import (
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-dns"
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/buf"
 	"github.com/sagernet/sing/common/bufio"
 	"github.com/sagernet/sing/common/canceler"
 	E "github.com/sagernet/sing/common/exceptions"
-	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 )
 
@@ -76,7 +74,7 @@ func NewConnection(ctx context.Context, this N.Dialer, conn net.Conn, metadata a
 	return CopyEarlyConn(ctx, conn, outConn)
 }
 
-func NewDirectConnection(ctx context.Context, router adapter.Router, this N.Dialer, conn net.Conn, metadata adapter.InboundContext, domainStrategy dns.DomainStrategy) error {
+func NewDirectConnection(ctx context.Context, router adapter.Router, this N.Dialer, conn net.Conn, metadata adapter.InboundContext) error {
 	ctx = adapter.WithContext(ctx, &metadata)
 	var outConn net.Conn
 	var err error
@@ -84,7 +82,7 @@ func NewDirectConnection(ctx context.Context, router adapter.Router, this N.Dial
 		outConn, err = N.DialSerial(ctx, this, N.NetworkTCP, metadata.Destination, metadata.DestinationAddresses)
 	} else if metadata.Destination.IsFqdn() {
 		var destinationAddresses []netip.Addr
-		destinationAddresses, err = router.Lookup(ctx, metadata.Destination.Fqdn, domainStrategy)
+		destinationAddresses, err = router.LookupDefault(ctx, metadata.Destination.Fqdn)
 		if err != nil {
 			return N.ReportHandshakeFailure(conn, err)
 		}
@@ -120,10 +118,7 @@ func NewPacketConnection(ctx context.Context, this N.Dialer, conn N.PacketConn,
 		return err
 	}
 	if destinationAddress.IsValid() {
-		if metadata.Destination.IsFqdn() {
-			outConn = bufio.NewNATPacketConn(bufio.NewPacketConn(outConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), metadata.Destination)
-		}
-		if natConn, loaded := common.Cast[*bufio.NATPacketConn](conn); loaded {
+		if natConn, loaded := common.Cast[bufio.NATPacketConn](conn); loaded {
 			natConn.UpdateDestination(destinationAddress)
 		}
 	}
@@ -138,7 +133,7 @@ func NewPacketConnection(ctx context.Context, this N.Dialer, conn N.PacketConn,
 	return bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(outConn))
 }
 
-func NewDirectPacketConnection(ctx context.Context, router adapter.Router, this N.Dialer, conn N.PacketConn, metadata adapter.InboundContext, domainStrategy dns.DomainStrategy) error {
+func NewDirectPacketConnection(ctx context.Context, router adapter.Router, this N.Dialer, conn N.PacketConn, metadata adapter.InboundContext) error {
 	ctx = adapter.WithContext(ctx, &metadata)
 	var outConn net.PacketConn
 	var destinationAddress netip.Addr
@@ -147,7 +142,7 @@ func NewDirectPacketConnection(ctx context.Context, router adapter.Router, this
 		outConn, destinationAddress, err = N.ListenSerial(ctx, this, metadata.Destination, metadata.DestinationAddresses)
 	} else if metadata.Destination.IsFqdn() {
 		var destinationAddresses []netip.Addr
-		destinationAddresses, err = router.Lookup(ctx, metadata.Destination.Fqdn, domainStrategy)
+		destinationAddresses, err = router.LookupDefault(ctx, metadata.Destination.Fqdn)
 		if err != nil {
 			return N.ReportHandshakeFailure(conn, err)
 		}
@@ -163,10 +158,7 @@ func NewDirectPacketConnection(ctx context.Context, router adapter.Router, this
 		return err
 	}
 	if destinationAddress.IsValid() {
-		if metadata.Destination.IsFqdn() {
-			outConn = bufio.NewNATPacketConn(bufio.NewPacketConn(outConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), metadata.Destination)
-		}
-		if natConn, loaded := common.Cast[*bufio.NATPacketConn](conn); loaded {
+		if natConn, loaded := common.Cast[bufio.NATPacketConn](conn); loaded {
 			natConn.UpdateDestination(destinationAddress)
 		}
 	}

outbound/direct.go

@@ -17,6 +17,8 @@ import (
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
+
+	"github.com/pires/go-proxyproto"
 )
 
 var (
@@ -31,6 +33,7 @@ type Direct struct {
 	fallbackDelay       time.Duration
 	overrideOption      int
 	overrideDestination M.Socksaddr
+	proxyProto          uint8
 }
 
 func NewDirect(router adapter.Router, logger log.ContextLogger, tag string, options option.DirectOutboundOptions) (*Direct, error) {
@@ -51,9 +54,10 @@ func NewDirect(router adapter.Router, logger log.ContextLogger, tag string, opti
 		domainStrategy: dns.DomainStrategy(options.DomainStrategy),
 		fallbackDelay:  time.Duration(options.FallbackDelay),
 		dialer:         outboundDialer,
+		proxyProto:     options.ProxyProtocol,
 	}
-	if options.ProxyProtocol != 0 {
-		return nil, E.New("Proxy Protocol is deprecated and removed in sing-box 1.6.0")
+	if options.ProxyProtocol > 2 {
+		return nil, E.New("invalid proxy protocol option: ", options.ProxyProtocol)
 	}
 	if options.OverrideAddress != "" && options.OverridePort != 0 {
 		outbound.overrideOption = 1
@@ -70,6 +74,7 @@ func NewDirect(router adapter.Router, logger log.ContextLogger, tag string, opti
 
 func (h *Direct) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
 	ctx, metadata := adapter.AppendContext(ctx)
+	originDestination := metadata.Destination
 	metadata.Outbound = h.tag
 	metadata.Destination = destination
 	switch h.overrideOption {
@@ -89,11 +94,31 @@ func (h *Direct) DialContext(ctx context.Context, network string, destination M.
 	case N.NetworkUDP:
 		h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
 	}
-	return h.dialer.DialContext(ctx, network, destination)
+	conn, err := h.dialer.DialContext(ctx, network, destination)
+	if err != nil {
+		return nil, err
+	}
+	if h.proxyProto > 0 {
+		source := metadata.Source
+		if !source.IsValid() {
+			source = M.SocksaddrFromNet(conn.LocalAddr())
+		}
+		if originDestination.Addr.Is6() {
+			source = M.SocksaddrFrom(netip.AddrFrom16(source.Addr.As16()), source.Port)
+		}
+		header := proxyproto.HeaderProxyFromAddrs(h.proxyProto, source.TCPAddr(), originDestination.TCPAddr())
+		_, err = header.WriteTo(conn)
+		if err != nil {
+			conn.Close()
+			return nil, E.Cause(err, "write proxy protocol header")
+		}
+	}
+	return conn, nil
 }
 
 func (h *Direct) DialParallel(ctx context.Context, network string, destination M.Socksaddr, destinationAddresses []netip.Addr) (net.Conn, error) {
 	ctx, metadata := adapter.AppendContext(ctx)
+	originDestination := metadata.Destination
 	metadata.Outbound = h.tag
 	metadata.Destination = destination
 	switch h.overrideOption {
@@ -116,11 +141,30 @@ func (h *Direct) DialParallel(ctx context.Context, network string, destination M
 	} else {
 		domainStrategy = dns.DomainStrategy(metadata.InboundOptions.DomainStrategy)
 	}
-	return N.DialParallel(ctx, h.dialer, network, destination, destinationAddresses, domainStrategy == dns.DomainStrategyPreferIPv6, h.fallbackDelay)
+	conn, err := N.DialParallel(ctx, h.dialer, network, destination, destinationAddresses, domainStrategy == dns.DomainStrategyPreferIPv6, h.fallbackDelay)
+	if err != nil {
+		return nil, err
+	}
+	if h.proxyProto > 0 {
+		source := metadata.Source
+		if !source.IsValid() {
+			source = M.SocksaddrFromNet(conn.LocalAddr())
+		}
+		if originDestination.Addr.Is6() {
+			source = M.SocksaddrFrom(netip.AddrFrom16(source.Addr.As16()), source.Port)
+		}
+		header := proxyproto.HeaderProxyFromAddrs(h.proxyProto, source.TCPAddr(), originDestination.TCPAddr())
+		_, err = header.WriteTo(conn)
+		if err != nil {
+			conn.Close()
+			return nil, E.Cause(err, "write proxy protocol header")
+		}
+	}
+	return conn, nil
 }
 
 func (h *Direct) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	ctx, metadata := adapter.ExtendContext(ctx)
+	ctx, metadata := adapter.AppendContext(ctx)
 	metadata.Outbound = h.tag
 	metadata.Destination = destination
 	switch h.overrideOption {

outbound/http.go

@@ -3,6 +3,7 @@ package outbound
 import (
 	"context"
 	"net"
+	"net/http"
 	"os"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -33,6 +34,13 @@ func NewHTTP(ctx context.Context, router adapter.Router, logger log.ContextLogge
 	if err != nil {
 		return nil, err
 	}
+	var headers http.Header
+	if options.Headers != nil {
+		headers = make(http.Header)
+		for key, values := range options.Headers {
+			headers[key] = values
+		}
+	}
 	return &HTTP{
 		myOutboundAdapter{
 			protocol:     C.TypeHTTP,
@@ -48,7 +56,7 @@ func NewHTTP(ctx context.Context, router adapter.Router, logger log.ContextLogge
 			Username: options.Username,
 			Password: options.Password,
 			Path:     options.Path,
-			Headers:  options.Headers.Build(),
+			Headers:  headers,
 		}),
 	}, nil
 }

outbound/hysteria.go

@@ -5,16 +5,18 @@ package outbound
 import (
 	"context"
 	"net"
-	"os"
+	"sync"
 
+	"github.com/sagernet/quic-go"
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/dialer"
-	"github.com/sagernet/sing-box/common/humanize"
 	"github.com/sagernet/sing-box/common/tls"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-quic/hysteria"
+	"github.com/sagernet/sing-box/transport/hysteria"
+	"github.com/sagernet/sing-quic"
+	hyCC "github.com/sagernet/sing-quic/hysteria2/congestion"
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/bufio"
 	E "github.com/sagernet/sing/common/exceptions"
@@ -23,13 +25,27 @@ import (
 )
 
 var (
-	_ adapter.Outbound                = (*TUIC)(nil)
-	_ adapter.InterfaceUpdateListener = (*TUIC)(nil)
+	_ adapter.Outbound                = (*Hysteria)(nil)
+	_ adapter.InterfaceUpdateListener = (*Hysteria)(nil)
 )
 
 type Hysteria struct {
 	myOutboundAdapter
-	client *hysteria.Client
+	ctx          context.Context
+	dialer       N.Dialer
+	serverAddr   M.Socksaddr
+	tlsConfig    tls.Config
+	quicConfig   *quic.Config
+	authKey      []byte
+	xplusKey     []byte
+	sendBPS      uint64
+	recvBPS      uint64
+	connAccess   sync.Mutex
+	conn         quic.Connection
+	rawConn      net.Conn
+	udpAccess    sync.RWMutex
+	udpSessions  map[uint32]chan *hysteria.UDPMessage
+	udpDefragger hysteria.Defragger
 }
 
 func NewHysteria(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.HysteriaOutboundOptions) (*Hysteria, error) {
@@ -41,77 +57,252 @@ func NewHysteria(ctx context.Context, router adapter.Router, logger log.ContextL
 	if err != nil {
 		return nil, err
 	}
-	outboundDialer, err := dialer.New(router, options.DialerOptions)
-	if err != nil {
-		return nil, err
+	if len(tlsConfig.NextProtos()) == 0 {
+		tlsConfig.SetNextProtos([]string{hysteria.DefaultALPN})
 	}
-	networkList := options.Network.Build()
-	var password string
-	if options.AuthString != "" {
-		password = options.AuthString
+	quicConfig := &quic.Config{
+		InitialStreamReceiveWindow:     options.ReceiveWindowConn,
+		MaxStreamReceiveWindow:         options.ReceiveWindowConn,
+		InitialConnectionReceiveWindow: options.ReceiveWindow,
+		MaxConnectionReceiveWindow:     options.ReceiveWindow,
+		KeepAlivePeriod:                hysteria.KeepAlivePeriod,
+		DisablePathMTUDiscovery:        options.DisableMTUDiscovery,
+		EnableDatagrams:                true,
+	}
+	if options.ReceiveWindowConn == 0 {
+		quicConfig.InitialStreamReceiveWindow = hysteria.DefaultStreamReceiveWindow
+		quicConfig.MaxStreamReceiveWindow = hysteria.DefaultStreamReceiveWindow
+	}
+	if options.ReceiveWindow == 0 {
+		quicConfig.InitialConnectionReceiveWindow = hysteria.DefaultConnectionReceiveWindow
+		quicConfig.MaxConnectionReceiveWindow = hysteria.DefaultConnectionReceiveWindow
+	}
+	if quicConfig.MaxIncomingStreams == 0 {
+		quicConfig.MaxIncomingStreams = hysteria.DefaultMaxIncomingStreams
+	}
+	var auth []byte
+	if len(options.Auth) > 0 {
+		auth = options.Auth
 	} else {
-		password = string(options.Auth)
+		auth = []byte(options.AuthString)
 	}
-	var sendBps, receiveBps uint64
+	var xplus []byte
+	if options.Obfs != "" {
+		xplus = []byte(options.Obfs)
+	}
+	var up, down uint64
 	if len(options.Up) > 0 {
-		sendBps, err = humanize.ParseBytes(options.Up)
-		if err != nil {
-			return nil, E.Cause(err, "invalid up speed format: ", options.Up)
+		up = hysteria.StringToBps(options.Up)
+		if up == 0 {
+			return nil, E.New("invalid up speed format: ", options.Up)
 		}
 	} else {
-		sendBps = uint64(options.UpMbps) * hysteria.MbpsToBps
+		up = uint64(options.UpMbps) * hysteria.MbpsToBps
 	}
 	if len(options.Down) > 0 {
-		receiveBps, err = humanize.ParseBytes(options.Down)
-		if receiveBps == 0 {
+		down = hysteria.StringToBps(options.Down)
+		if down == 0 {
 			return nil, E.New("invalid down speed format: ", options.Down)
 		}
 	} else {
-		receiveBps = uint64(options.DownMbps) * hysteria.MbpsToBps
+		down = uint64(options.DownMbps) * hysteria.MbpsToBps
 	}
-	client, err := hysteria.NewClient(hysteria.ClientOptions{
-		Context:       ctx,
-		Dialer:        outboundDialer,
-		Logger:        logger,
-		ServerAddress: options.ServerOptions.Build(),
-		SendBPS:       sendBps,
-		ReceiveBPS:    receiveBps,
-		XPlusPassword: options.Obfs,
-		Password:      password,
-		TLSConfig:     tlsConfig,
-		UDPDisabled:   !common.Contains(networkList, N.NetworkUDP),
-
-		ConnReceiveWindow:   options.ReceiveWindowConn,
-		StreamReceiveWindow: options.ReceiveWindow,
-		DisableMTUDiscovery: options.DisableMTUDiscovery,
-	})
+	if up < hysteria.MinSpeedBPS {
+		return nil, E.New("invalid up speed")
+	}
+	if down < hysteria.MinSpeedBPS {
+		return nil, E.New("invalid down speed")
+	}
+	outboundDialer, err := dialer.New(router, options.DialerOptions)
 	if err != nil {
 		return nil, err
 	}
 	return &Hysteria{
 		myOutboundAdapter: myOutboundAdapter{
 			protocol:     C.TypeHysteria,
-			network:      networkList,
+			network:      options.Network.Build(),
 			router:       router,
 			logger:       logger,
 			tag:          tag,
 			dependencies: withDialerDependency(options.DialerOptions),
 		},
-		client: client,
+		ctx:        ctx,
+		dialer:     outboundDialer,
+		serverAddr: options.ServerOptions.Build(),
+		tlsConfig:  tlsConfig,
+		quicConfig: quicConfig,
+		authKey:    auth,
+		xplusKey:   xplus,
+		sendBPS:    up,
+		recvBPS:    down,
 	}, nil
 }
 
+func (h *Hysteria) offer(ctx context.Context) (quic.Connection, error) {
+	conn := h.conn
+	if conn != nil && !common.Done(conn.Context()) {
+		return conn, nil
+	}
+	h.connAccess.Lock()
+	defer h.connAccess.Unlock()
+	h.udpAccess.Lock()
+	defer h.udpAccess.Unlock()
+	conn = h.conn
+	if conn != nil && !common.Done(conn.Context()) {
+		return conn, nil
+	}
+	common.Close(h.rawConn)
+	conn, err := h.offerNew(ctx)
+	if err != nil {
+		return nil, err
+	}
+	if common.Contains(h.network, N.NetworkUDP) {
+		for _, session := range h.udpSessions {
+			close(session)
+		}
+		h.udpSessions = make(map[uint32]chan *hysteria.UDPMessage)
+		h.udpDefragger = hysteria.Defragger{}
+		go h.udpRecvLoop(conn)
+	}
+	return conn, nil
+}
+
+func (h *Hysteria) offerNew(ctx context.Context) (quic.Connection, error) {
+	udpConn, err := h.dialer.DialContext(h.ctx, "udp", h.serverAddr)
+	if err != nil {
+		return nil, err
+	}
+	var packetConn net.PacketConn
+	packetConn = bufio.NewUnbindPacketConn(udpConn)
+	if h.xplusKey != nil {
+		packetConn = hysteria.NewXPlusPacketConn(packetConn, h.xplusKey)
+	}
+	packetConn = &hysteria.PacketConnWrapper{PacketConn: packetConn}
+	quicConn, err := qtls.Dial(h.ctx, packetConn, udpConn.RemoteAddr(), h.tlsConfig, h.quicConfig)
+	if err != nil {
+		packetConn.Close()
+		return nil, err
+	}
+	controlStream, err := quicConn.OpenStreamSync(ctx)
+	if err != nil {
+		packetConn.Close()
+		return nil, err
+	}
+	err = hysteria.WriteClientHello(controlStream, hysteria.ClientHello{
+		SendBPS: h.sendBPS,
+		RecvBPS: h.recvBPS,
+		Auth:    h.authKey,
+	})
+	if err != nil {
+		packetConn.Close()
+		return nil, err
+	}
+	serverHello, err := hysteria.ReadServerHello(controlStream)
+	if err != nil {
+		packetConn.Close()
+		return nil, err
+	}
+	if !serverHello.OK {
+		packetConn.Close()
+		return nil, E.New("remote error: ", serverHello.Message)
+	}
+	quicConn.SetCongestionControl(hyCC.NewBrutalSender(serverHello.RecvBPS))
+	h.conn = quicConn
+	h.rawConn = udpConn
+	return quicConn, nil
+}
+
+func (h *Hysteria) udpRecvLoop(conn quic.Connection) {
+	for {
+		packet, err := conn.ReceiveMessage(h.ctx)
+		if err != nil {
+			return
+		}
+		message, err := hysteria.ParseUDPMessage(packet)
+		if err != nil {
+			h.logger.Error("parse udp message: ", err)
+			continue
+		}
+		dfMsg := h.udpDefragger.Feed(message)
+		if dfMsg == nil {
+			continue
+		}
+		h.udpAccess.RLock()
+		ch, ok := h.udpSessions[dfMsg.SessionID]
+		if ok {
+			select {
+			case ch <- dfMsg:
+				// OK
+			default:
+				// Silently drop the message when the channel is full
+			}
+		}
+		h.udpAccess.RUnlock()
+	}
+}
+
+func (h *Hysteria) InterfaceUpdated() {
+	h.Close()
+	return
+}
+
+func (h *Hysteria) Close() error {
+	h.connAccess.Lock()
+	defer h.connAccess.Unlock()
+	h.udpAccess.Lock()
+	defer h.udpAccess.Unlock()
+	if h.conn != nil {
+		h.conn.CloseWithError(0, "")
+		h.rawConn.Close()
+	}
+	for _, session := range h.udpSessions {
+		close(session)
+	}
+	h.udpSessions = make(map[uint32]chan *hysteria.UDPMessage)
+	return nil
+}
+
+func (h *Hysteria) open(ctx context.Context, reconnect bool) (quic.Connection, quic.Stream, error) {
+	conn, err := h.offer(ctx)
+	if err != nil {
+		if nErr, ok := err.(net.Error); ok && !nErr.Temporary() && reconnect {
+			return h.open(ctx, false)
+		}
+		return nil, nil, err
+	}
+	stream, err := conn.OpenStream()
+	if err != nil {
+		if nErr, ok := err.(net.Error); ok && !nErr.Temporary() && reconnect {
+			return h.open(ctx, false)
+		}
+		return nil, nil, err
+	}
+	return conn, &hysteria.StreamWrapper{Stream: stream}, nil
+}
+
 func (h *Hysteria) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
 	switch N.NetworkName(network) {
 	case N.NetworkTCP:
 		h.logger.InfoContext(ctx, "outbound connection to ", destination)
-		return h.client.DialConn(ctx, destination)
+		_, stream, err := h.open(ctx, true)
+		if err != nil {
+			return nil, err
+		}
+		err = hysteria.WriteClientRequest(stream, hysteria.ClientRequest{
+			Host: destination.AddrString(),
+			Port: destination.Port,
+		})
+		if err != nil {
+			stream.Close()
+			return nil, err
+		}
+		return hysteria.NewConn(stream, destination, true), nil
 	case N.NetworkUDP:
 		conn, err := h.ListenPacket(ctx, destination)
 		if err != nil {
 			return nil, err
 		}
-		return bufio.NewBindPacketConn(conn, destination), nil
+		return conn.(*hysteria.PacketConn), nil
 	default:
 		return nil, E.New("unsupported network: ", network)
 	}
@@ -119,7 +310,44 @@ func (h *Hysteria) DialContext(ctx context.Context, network string, destination
 
 func (h *Hysteria) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
 	h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
-	return h.client.ListenPacket(ctx, destination)
+	conn, stream, err := h.open(ctx, true)
+	if err != nil {
+		return nil, err
+	}
+	err = hysteria.WriteClientRequest(stream, hysteria.ClientRequest{
+		UDP:  true,
+		Host: destination.AddrString(),
+		Port: destination.Port,
+	})
+	if err != nil {
+		stream.Close()
+		return nil, err
+	}
+	var response *hysteria.ServerResponse
+	response, err = hysteria.ReadServerResponse(stream)
+	if err != nil {
+		stream.Close()
+		return nil, err
+	}
+	if !response.OK {
+		stream.Close()
+		return nil, E.New("remote error: ", response.Message)
+	}
+	h.udpAccess.Lock()
+	nCh := make(chan *hysteria.UDPMessage, 1024)
+	h.udpSessions[response.UDPSessionID] = nCh
+	h.udpAccess.Unlock()
+	packetConn := hysteria.NewPacketConn(conn, stream, response.UDPSessionID, destination, nCh, common.Closer(func() error {
+		h.udpAccess.Lock()
+		if ch, ok := h.udpSessions[response.UDPSessionID]; ok {
+			close(ch)
+			delete(h.udpSessions, response.UDPSessionID)
+		}
+		h.udpAccess.Unlock()
+		return nil
+	}))
+	go packetConn.Hold()
+	return packetConn, nil
 }
 
 func (h *Hysteria) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
@@ -129,11 +357,3 @@ func (h *Hysteria) NewConnection(ctx context.Context, conn net.Conn, metadata ad
 func (h *Hysteria) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
 	return NewPacketConnection(ctx, h, conn, metadata)
 }
-
-func (h *Hysteria) InterfaceUpdated() error {
-	return h.client.CloseWithError(E.New("network changed"))
-}
-
-func (h *Hysteria) Close() error {
-	return h.client.CloseWithError(os.ErrClosed)
-}

outbound/hysteria2.go

@@ -13,7 +13,7 @@ import (
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-quic/hysteria"
+	"github.com/sagernet/sing-box/transport/hysteria"
 	"github.com/sagernet/sing-quic/hysteria2"
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/bufio"
@@ -61,8 +61,6 @@ func NewHysteria2(ctx context.Context, router adapter.Router, logger log.Context
 	client, err := hysteria2.NewClient(hysteria2.ClientOptions{
 		Context:            ctx,
 		Dialer:             outboundDialer,
-		Logger:             logger,
-		BrutalDebug:        options.BrutalDebug,
 		ServerAddress:      options.ServerOptions.Build(),
 		SendBPS:            uint64(options.UpMbps * hysteria.MbpsToBps),
 		ReceiveBPS:         uint64(options.DownMbps * hysteria.MbpsToBps),

outbound/shadowsocksr.go

@@ -4,15 +4,192 @@ package outbound
 
 import (
 	"context"
-	"os"
+	"errors"
+	"fmt"
+	"net"
 
 	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/dialer"
+	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing-box/transport/clashssr/obfs"
+	"github.com/sagernet/sing-box/transport/clashssr/protocol"
+	"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/Dreamacro/clash/transport/shadowsocks/core"
+	"github.com/Dreamacro/clash/transport/shadowsocks/shadowstream"
+	"github.com/Dreamacro/clash/transport/socks5"
 )
 
-var _ int = "ShadowsocksR is deprecated and removed in sing-box 1.6.0"
+var _ adapter.Outbound = (*ShadowsocksR)(nil)
 
-func NewShadowsocksR(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.ShadowsocksROutboundOptions) (adapter.Outbound, error) {
-	return nil, os.ErrInvalid
+type ShadowsocksR struct {
+	myOutboundAdapter
+	dialer     N.Dialer
+	serverAddr M.Socksaddr
+	cipher     core.Cipher
+	obfs       obfs.Obfs
+	protocol   protocol.Protocol
+}
+
+func NewShadowsocksR(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.ShadowsocksROutboundOptions) (*ShadowsocksR, error) {
+	logger.Warn("ShadowsocksR is deprecated, see https://sing-box.sagernet.org/deprecated")
+	outboundDialer, err := dialer.New(router, options.DialerOptions)
+	if err != nil {
+		return nil, err
+	}
+	outbound := &ShadowsocksR{
+		myOutboundAdapter: myOutboundAdapter{
+			protocol:     C.TypeShadowsocksR,
+			network:      options.Network.Build(),
+			router:       router,
+			logger:       logger,
+			tag:          tag,
+			dependencies: withDialerDependency(options.DialerOptions),
+		},
+		dialer:     outboundDialer,
+		serverAddr: options.ServerOptions.Build(),
+	}
+	var cipher string
+	switch options.Method {
+	case "none":
+		cipher = "dummy"
+	default:
+		cipher = options.Method
+	}
+	outbound.cipher, err = core.PickCipher(cipher, nil, options.Password)
+	if err != nil {
+		return nil, err
+	}
+	var (
+		ivSize int
+		key    []byte
+	)
+	if cipher == "dummy" {
+		ivSize = 0
+		key = core.Kdf(options.Password, 16)
+	} else {
+		streamCipher, ok := outbound.cipher.(*core.StreamCipher)
+		if !ok {
+			return nil, fmt.Errorf("%s is not none or a supported stream cipher in ssr", cipher)
+		}
+		ivSize = streamCipher.IVSize()
+		key = streamCipher.Key
+	}
+	obfs, obfsOverhead, err := obfs.PickObfs(options.Obfs, &obfs.Base{
+		Host:   options.Server,
+		Port:   int(options.ServerPort),
+		Key:    key,
+		IVSize: ivSize,
+		Param:  options.ObfsParam,
+	})
+	if err != nil {
+		return nil, E.Cause(err, "initialize obfs")
+	}
+	protocol, err := protocol.PickProtocol(options.Protocol, &protocol.Base{
+		Key:      key,
+		Overhead: obfsOverhead,
+		Param:    options.ProtocolParam,
+	})
+	if err != nil {
+		return nil, E.Cause(err, "initialize protocol")
+	}
+	outbound.obfs = obfs
+	outbound.protocol = protocol
+	return outbound, nil
+}
+
+func (h *ShadowsocksR) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+	ctx, metadata := adapter.AppendContext(ctx)
+	metadata.Outbound = h.tag
+	metadata.Destination = destination
+	switch network {
+	case N.NetworkTCP:
+		h.logger.InfoContext(ctx, "outbound connection to ", destination)
+		conn, err := h.dialer.DialContext(ctx, network, h.serverAddr)
+		if err != nil {
+			return nil, err
+		}
+		conn = h.cipher.StreamConn(h.obfs.StreamConn(conn))
+		writeIv, err := conn.(*shadowstream.Conn).ObtainWriteIV()
+		if err != nil {
+			conn.Close()
+			return nil, err
+		}
+		conn = h.protocol.StreamConn(conn, writeIv)
+		err = M.SocksaddrSerializer.WriteAddrPort(conn, destination)
+		if err != nil {
+			conn.Close()
+			return nil, E.Cause(err, "write request")
+		}
+		return conn, nil
+	case N.NetworkUDP:
+		conn, err := h.ListenPacket(ctx, destination)
+		if err != nil {
+			return nil, err
+		}
+		return bufio.NewBindPacketConn(conn, destination), nil
+	default:
+		return nil, E.Extend(N.ErrUnknownNetwork, network)
+	}
+}
+
+func (h *ShadowsocksR) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+	ctx, metadata := adapter.AppendContext(ctx)
+	metadata.Outbound = h.tag
+	metadata.Destination = destination
+	h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
+	outConn, err := h.dialer.DialContext(ctx, N.NetworkUDP, h.serverAddr)
+	if err != nil {
+		return nil, err
+	}
+	packetConn := h.cipher.PacketConn(bufio.NewUnbindPacketConn(outConn))
+	packetConn = h.protocol.PacketConn(packetConn)
+	packetConn = &ssPacketConn{packetConn, outConn.RemoteAddr()}
+	return packetConn, nil
+}
+
+func (h *ShadowsocksR) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
+	return NewConnection(ctx, h, conn, metadata)
+}
+
+func (h *ShadowsocksR) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
+	return NewPacketConnection(ctx, h, conn, metadata)
+}
+
+type ssPacketConn struct {
+	net.PacketConn
+	rAddr net.Addr
+}
+
+func (spc *ssPacketConn) WriteTo(b []byte, addr net.Addr) (n int, err error) {
+	packet, err := socks5.EncodeUDPPacket(socks5.ParseAddrToSocksAddr(addr), b)
+	if err != nil {
+		return
+	}
+	return spc.PacketConn.WriteTo(packet[3:], spc.rAddr)
+}
+
+func (spc *ssPacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
+	n, _, e := spc.PacketConn.ReadFrom(b)
+	if e != nil {
+		return 0, nil, e
+	}
+
+	addr := socks5.SplitAddr(b[:n])
+	if addr == nil {
+		return 0, nil, errors.New("parse addr error")
+	}
+
+	udpAddr := addr.UDPAddr()
+	if udpAddr == nil {
+		return 0, nil, errors.New("parse addr error")
+	}
+
+	copy(b, b[len(addr):])
+	return n - len(addr), udpAddr, e
 }

outbound/shadowsocksr_stub.go

@@ -12,5 +12,5 @@ import (
 )
 
 func NewShadowsocksR(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.ShadowsocksROutboundOptions) (adapter.Outbound, error) {
-	return nil, E.New("ShadowsocksR is deprecated and removed in sing-box 1.6.0")
+	return nil, E.New(`ShadowsocksR is not included in this build, rebuild with -tags with_shadowsocksr`)
 }

outbound/socks.go

@@ -9,7 +9,6 @@ import (
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-dns"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
@@ -115,7 +114,7 @@ func (h *Socks) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.
 
 func (h *Socks) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
 	if h.resolve {
-		return NewDirectConnection(ctx, h.router, h, conn, metadata, dns.DomainStrategyUseIPv4)
+		return NewDirectConnection(ctx, h.router, h, conn, metadata)
 	} else {
 		return NewConnection(ctx, h, conn, metadata)
 	}
@@ -123,7 +122,7 @@ func (h *Socks) NewConnection(ctx context.Context, conn net.Conn, metadata adapt
 
 func (h *Socks) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
 	if h.resolve {
-		return NewDirectPacketConnection(ctx, h.router, h, conn, metadata, dns.DomainStrategyUseIPv4)
+		return NewDirectPacketConnection(ctx, h.router, h, conn, metadata)
 	} else {
 		return NewPacketConnection(ctx, h, conn, metadata)
 	}

outbound/wireguard.go

@@ -16,8 +16,8 @@ import (
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing-box/transport/wireguard"
-	"github.com/sagernet/sing-dns"
 	"github.com/sagernet/sing-tun"
+	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/debug"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
@@ -70,7 +70,8 @@ func NewWireGuard(ctx context.Context, router adapter.Router, logger log.Context
 		return nil, err
 	}
 	outbound.bind = wireguard.NewClientBind(ctx, outbound, outboundDialer, isConnect, connectAddr, reserved)
-	if len(options.LocalAddress) == 0 {
+	localPrefixes := common.Map(options.LocalAddress, option.ListenPrefix.Build)
+	if len(localPrefixes) == 0 {
 		return nil, E.New("missing local address")
 	}
 	var privateKey string
@@ -141,7 +142,7 @@ func NewWireGuard(ctx context.Context, router adapter.Router, logger log.Context
 			ipcConf += "\npreshared_key=" + preSharedKey
 		}
 		var has4, has6 bool
-		for _, address := range options.LocalAddress {
+		for _, address := range localPrefixes {
 			if address.Addr().Is4() {
 				has4 = true
 			} else {
@@ -161,9 +162,9 @@ func NewWireGuard(ctx context.Context, router adapter.Router, logger log.Context
 	}
 	var wireTunDevice wireguard.Device
 	if !options.SystemInterface && tun.WithGVisor {
-		wireTunDevice, err = wireguard.NewStackDevice(options.LocalAddress, mtu)
+		wireTunDevice, err = wireguard.NewStackDevice(localPrefixes, mtu)
 	} else {
-		wireTunDevice, err = wireguard.NewSystemDevice(router, options.InterfaceName, options.LocalAddress, mtu)
+		wireTunDevice, err = wireguard.NewSystemDevice(router, options.InterfaceName, localPrefixes, mtu)
 	}
 	if err != nil {
 		return nil, E.Cause(err, "create WireGuard device")
@@ -227,11 +228,11 @@ func (w *WireGuard) ListenPacket(ctx context.Context, destination M.Socksaddr) (
 }
 
 func (w *WireGuard) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
-	return NewDirectConnection(ctx, w.router, w, conn, metadata, dns.DomainStrategyAsIS)
+	return NewDirectConnection(ctx, w.router, w, conn, metadata)
 }
 
 func (w *WireGuard) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
-	return NewDirectPacketConnection(ctx, w.router, w, conn, metadata, dns.DomainStrategyAsIS)
+	return NewDirectPacketConnection(ctx, w.router, w, conn, metadata)
 }
 
 func (w *WireGuard) Start() error {

route/router.go

@@ -253,10 +253,10 @@ func NewRouter(
 		var inet4Range netip.Prefix
 		var inet6Range netip.Prefix
 		if fakeIPOptions.Inet4Range != nil {
-			inet4Range = *fakeIPOptions.Inet4Range
+			inet4Range = fakeIPOptions.Inet4Range.Build()
 		}
 		if fakeIPOptions.Inet6Range != nil {
-			inet6Range = *fakeIPOptions.Inet6Range
+			inet6Range = fakeIPOptions.Inet6Range.Build()
 		}
 		router.fakeIPStore = fakeip.NewStore(router, router.logger, inet4Range, inet6Range)
 	}
@@ -694,11 +694,6 @@ func (r *Router) RouteConnection(ctx context.Context, conn net.Conn, metadata ad
 		metadata.DestinationAddresses = addresses
 		r.dnsLogger.DebugContext(ctx, "resolved [", strings.Join(F.MapToString(metadata.DestinationAddresses), " "), "]")
 	}
-	if metadata.Destination.IsIPv4() {
-		metadata.IPVersion = 4
-	} else if metadata.Destination.IsIPv6() {
-		metadata.IPVersion = 6
-	}
 	ctx, matchedRule, detour, err := r.match(ctx, &metadata, r.defaultOutboundForConnection)
 	if err != nil {
 		return err
@@ -812,11 +807,6 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
 		metadata.DestinationAddresses = addresses
 		r.dnsLogger.DebugContext(ctx, "resolved [", strings.Join(F.MapToString(metadata.DestinationAddresses), " "), "]")
 	}
-	if metadata.Destination.IsIPv4() {
-		metadata.IPVersion = 4
-	} else if metadata.Destination.IsIPv6() {
-		metadata.IPVersion = 6
-	}
 	ctx, matchedRule, detour, err := r.match(ctx, &metadata, r.defaultOutboundForPacketConnection)
 	if err != nil {
 		return err
@@ -835,7 +825,7 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
 		}
 	}
 	if metadata.FakeIP {
-		conn = bufio.NewNATPacketConn(bufio.NewNetPacketConn(conn), metadata.OriginDestination, metadata.Destination)
+		conn = fakeip.NewNATPacketConn(conn, metadata.OriginDestination, metadata.Destination)
 	}
 	return detour.NewPacketConnection(ctx, conn, metadata)
 }
@@ -930,8 +920,9 @@ func (r *Router) AutoDetectInterfaceFunc() control.Func {
 		return control.BindToInterfaceFunc(r.InterfaceFinder(), func(network string, address string) (interfaceName string, interfaceIndex int, err error) {
 			remoteAddr := M.ParseSocksaddr(address).Addr
 			if C.IsLinux {
-				interfaceName, interfaceIndex = r.InterfaceMonitor().DefaultInterface(remoteAddr)
-				if interfaceIndex == -1 {
+				interfaceName = r.InterfaceMonitor().DefaultInterfaceName(remoteAddr)
+				interfaceIndex = -1
+				if interfaceName == "" {
 					err = tun.ErrNoRoute
 				}
 			} else {

test/box_test.go

@@ -2,15 +2,10 @@ package main
 
 import (
 	"context"
-	"crypto/tls"
-	"io"
 	"net"
-	"net/http"
 	"testing"
 	"time"
 
-	"github.com/sagernet/quic-go"
-	"github.com/sagernet/quic-go/http3"
 	"github.com/sagernet/sing-box"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/option"
@@ -79,28 +74,6 @@ func testSuit(t *testing.T, clientPort uint16, testPort uint16) {
 	// require.NoError(t, testPacketConnTimeout(t, dialUDP))
 }
 
-func testQUIC(t *testing.T, clientPort uint16) {
-	dialer := socks.NewClient(N.SystemDialer, M.ParseSocksaddrHostPort("127.0.0.1", clientPort), socks.Version5, "", "")
-	client := &http.Client{
-		Transport: &http3.RoundTripper{
-			Dial: func(ctx context.Context, addr string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
-				destination := M.ParseSocksaddr(addr)
-				udpConn, err := dialer.DialContext(ctx, N.NetworkUDP, destination)
-				if err != nil {
-					return nil, err
-				}
-				return quic.DialEarly(ctx, udpConn.(net.PacketConn), destination, tlsCfg, cfg)
-			},
-		},
-	}
-	response, err := client.Get("https://cloudflare.com/cdn-cgi/trace")
-	require.NoError(t, err)
-	require.Equal(t, http.StatusOK, response.StatusCode)
-	content, err := io.ReadAll(response.Body)
-	require.NoError(t, err)
-	println(string(content))
-}
-
 func testSuitLargeUDP(t *testing.T, clientPort uint16, testPort uint16) {
 	dialer := socks.NewClient(N.SystemDialer, M.ParseSocksaddrHostPort("127.0.0.1", clientPort), socks.Version5, "", "")
 	dialTCP := func() (net.Conn, error) {

test/clash_test.go

@@ -36,6 +36,7 @@ const (
 	ImageHysteria2             = "tobyxdd/hysteria:v2"
 	ImageNginx                 = "nginx:stable"
 	ImageShadowTLS             = "ghcr.io/ihciah/shadow-tls:latest"
+	ImageShadowsocksR          = "teddysun/shadowsocks-r:latest"
 	ImageXRayCore              = "teddysun/xray:latest"
 	ImageShadowsocksLegacy     = "mritd/shadowsocks:latest"
 	ImageTUICServer            = "kilvn/tuic-server:latest"
@@ -53,6 +54,7 @@ var allImages = []string{
 	ImageHysteria2,
 	ImageNginx,
 	ImageShadowTLS,
+	ImageShadowsocksR,
 	ImageXRayCore,
 	ImageShadowsocksLegacy,
 	ImageTUICServer,

test/domain_inbound_test.go

@@ -1,83 +0,0 @@
-package main
-
-import (
-	"net/netip"
-	"testing"
-
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/option"
-	dns "github.com/sagernet/sing-dns"
-
-	"github.com/gofrs/uuid/v5"
-)
-
-func TestTUICDomainUDP(t *testing.T) {
-	_, certPem, keyPem := createSelfSignedCertificate(t, "example.org")
-	startInstance(t, option.Options{
-		Inbounds: []option.Inbound{
-			{
-				Type: C.TypeMixed,
-				Tag:  "mixed-in",
-				MixedOptions: option.HTTPMixedInboundOptions{
-					ListenOptions: option.ListenOptions{
-						Listen:     option.NewListenAddress(netip.IPv4Unspecified()),
-						ListenPort: clientPort,
-					},
-				},
-			},
-			{
-				Type: C.TypeTUIC,
-				TUICOptions: option.TUICInboundOptions{
-					ListenOptions: option.ListenOptions{
-						Listen:     option.NewListenAddress(netip.IPv4Unspecified()),
-						ListenPort: serverPort,
-						InboundOptions: option.InboundOptions{
-							DomainStrategy: option.DomainStrategy(dns.DomainStrategyUseIPv6),
-						},
-					},
-					Users: []option.TUICUser{{
-						UUID: uuid.Nil.String(),
-					}},
-					TLS: &option.InboundTLSOptions{
-						Enabled:         true,
-						ServerName:      "example.org",
-						CertificatePath: certPem,
-						KeyPath:         keyPem,
-					},
-				},
-			},
-		},
-		Outbounds: []option.Outbound{
-			{
-				Type: C.TypeDirect,
-			},
-			{
-				Type: C.TypeTUIC,
-				Tag:  "tuic-out",
-				TUICOptions: option.TUICOutboundOptions{
-					ServerOptions: option.ServerOptions{
-						Server:     "127.0.0.1",
-						ServerPort: serverPort,
-					},
-					UUID: uuid.Nil.String(),
-					TLS: &option.OutboundTLSOptions{
-						Enabled:         true,
-						ServerName:      "example.org",
-						CertificatePath: certPem,
-					},
-				},
-			},
-		},
-		Route: &option.RouteOptions{
-			Rules: []option.Rule{
-				{
-					DefaultOptions: option.DefaultRule{
-						Inbound:  []string{"mixed-in"},
-						Outbound: "tuic-out",
-					},
-				},
-			},
-		},
-	})
-	testQUIC(t, clientPort)
-}

test/go.mod

@@ -6,35 +6,36 @@ require github.com/sagernet/sing-box v0.0.0
 
 replace github.com/sagernet/sing-box => ../
 
+replace github.com/sagernet/sing-quic => ../../sing-quic
+
 require (
 	github.com/docker/docker v24.0.6+incompatible
 	github.com/docker/go-connections v0.4.0
 	github.com/gofrs/uuid/v5 v5.0.0
-	github.com/sagernet/quic-go v0.0.0-20231008035953-32727fef9460
-	github.com/sagernet/sing v0.2.16-0.20231021090846-8002db54c028
-	github.com/sagernet/sing-dns v0.1.10
-	github.com/sagernet/sing-quic v0.1.3-0.20231026034240-fa3d997246b6
+	github.com/sagernet/sing v0.2.12-0.20230925092853-5b05b5c147d9
+	github.com/sagernet/sing-quic v0.1.1-0.20230922040527-541e66a4a16d
 	github.com/sagernet/sing-shadowsocks v0.2.5
 	github.com/sagernet/sing-shadowsocks2 v0.1.4
 	github.com/spyzhov/ajson v0.9.0
 	github.com/stretchr/testify v1.8.4
-	go.uber.org/goleak v1.3.0
-	golang.org/x/net v0.17.0
+	go.uber.org/goleak v1.2.1
+	golang.org/x/net v0.15.0
 )
 
 require (
 	berty.tech/go-libtor v1.0.385 // indirect
-	github.com/Microsoft/go-winio v0.6.1 // indirect
+	github.com/Dreamacro/clash v1.17.0 // indirect
+	github.com/Dreamacro/protobytes v0.0.0-20230617041236-6500a9f4f158 // indirect
+	github.com/Microsoft/go-winio v0.6.0 // indirect
 	github.com/ajg/form v1.5.1 // indirect
 	github.com/andybalholm/brotli v1.0.5 // indirect
 	github.com/caddyserver/certmagic v0.19.2 // indirect
-	github.com/cloudflare/circl v1.3.5 // indirect
+	github.com/cloudflare/circl v1.3.3 // indirect
 	github.com/cretz/bine v0.2.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/distribution/reference v0.5.0 // indirect
-	github.com/docker/distribution v2.8.3+incompatible // indirect
-	github.com/docker/go-units v0.5.0 // indirect
-	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/docker/distribution v2.8.1+incompatible // indirect
+	github.com/docker/go-units v0.4.0 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/go-chi/chi/v5 v5.0.10 // indirect
 	github.com/go-chi/cors v1.2.1 // indirect
 	github.com/go-chi/render v1.0.3 // indirect
@@ -45,9 +46,9 @@ require (
 	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/insomniacslk/dhcp v0.0.0-20231016090811-6a2c8fbdcc1c // indirect
+	github.com/insomniacslk/dhcp v0.0.0-20230908212754-65c27093e38a // indirect
 	github.com/josharian/native v1.1.0 // indirect
-	github.com/klauspost/compress v1.16.0 // indirect
+	github.com/klauspost/compress v1.15.15 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.5 // indirect
 	github.com/libdns/alidns v1.0.3 // indirect
 	github.com/libdns/cloudflare v0.1.0 // indirect
@@ -55,7 +56,7 @@ require (
 	github.com/logrusorgru/aurora v2.0.3+incompatible // indirect
 	github.com/mholt/acmez v1.2.0 // indirect
 	github.com/miekg/dns v1.1.56 // indirect
-	github.com/moby/term v0.5.0 // indirect
+	github.com/moby/term v0.0.0-20221205130635-1aeaba878587 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/onsi/ginkgo/v2 v2.9.5 // indirect
 	github.com/ooni/go-libtor v1.1.8 // indirect
@@ -63,19 +64,21 @@ require (
 	github.com/opencontainers/image-spec v1.0.2 // indirect
 	github.com/oschwald/maxminddb-golang v1.12.0 // indirect
 	github.com/pierrec/lz4/v4 v4.1.14 // indirect
+	github.com/pires/go-proxyproto v0.7.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/quic-go/qpack v0.4.0 // indirect
 	github.com/quic-go/qtls-go1-20 v0.3.4 // indirect
-	github.com/sagernet/bbolt v0.0.0-20231014093535-ea5cb2fe9f0a // indirect
 	github.com/sagernet/cloudflare-tls v0.0.0-20230829051644-4a68352d0c4a // indirect
 	github.com/sagernet/go-tun2socks v1.16.12-0.20220818015926-16cb67876a61 // indirect
-	github.com/sagernet/gvisor v0.0.0-20230930141345-5fef6f2e17ab // indirect
+	github.com/sagernet/gvisor v0.0.0-20230627031050-1ab0276e0dd2 // indirect
 	github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97 // indirect
+	github.com/sagernet/quic-go v0.0.0-20230919101909-0cc6c5dcecee // indirect
 	github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691 // indirect
+	github.com/sagernet/sing-dns v0.1.10-0.20230921024525-fc3e4c051ccd // indirect
 	github.com/sagernet/sing-mux v0.1.3 // indirect
 	github.com/sagernet/sing-shadowtls v0.1.4 // indirect
-	github.com/sagernet/sing-tun v0.1.17-0.20231026060825-efd9884154a6 // indirect
+	github.com/sagernet/sing-tun v0.1.13-0.20230925091515-8adce0ea02a9 // indirect
 	github.com/sagernet/sing-vmess v0.1.8 // indirect
 	github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37 // indirect
 	github.com/sagernet/tfo-go v0.0.0-20230816093905-5a5c285d44a6 // indirect
@@ -86,20 +89,21 @@ require (
 	github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923 // indirect
 	github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 // indirect
 	github.com/zeebo/blake3 v0.2.3 // indirect
+	go.etcd.io/bbolt v1.3.7 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.26.0 // indirect
 	go4.org/netipx v0.0.0-20230824141953-6213f710f925 // indirect
-	golang.org/x/crypto v0.14.0 // indirect
-	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
-	golang.org/x/mod v0.13.0 // indirect
-	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/crypto v0.13.0 // indirect
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
+	golang.org/x/mod v0.12.0 // indirect
+	golang.org/x/sys v0.12.0 // indirect
 	golang.org/x/text v0.13.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
-	golang.org/x/tools v0.14.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d // indirect
-	google.golang.org/grpc v1.59.0 // indirect
+	golang.org/x/tools v0.13.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/grpc v1.58.1 // indirect
 	google.golang.org/protobuf v1.31.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	gotest.tools/v3 v3.5.1 // indirect
+	gotest.tools/v3 v3.4.0 // indirect
 	lukechampine.com/blake3 v1.2.1 // indirect
 )

test/go.sum

@@ -1,8 +1,12 @@
 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/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOElx5B5HZ4hJQsoJ/PvUvKRhJHDQXO8P8=
-github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
-github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=
+github.com/Dreamacro/clash v1.17.0 h1:LWtp6KcnrCiujY58ufI8pylI+hbCBgSCsLI90EWhpi4=
+github.com/Dreamacro/clash v1.17.0/go.mod h1:PtcAft7sdsK325BD6uwm8wvhOkMV3TCeED6dfZ/lnfE=
+github.com/Dreamacro/protobytes v0.0.0-20230617041236-6500a9f4f158 h1:JFnwKplz9hj8ubqYjm8HkgZS1Rvz9yW+u/XCNNTxr0k=
+github.com/Dreamacro/protobytes v0.0.0-20230617041236-6500a9f4f158/go.mod h1:QvmEZ/h6KXszPOr2wUFl7Zn3hfFNYdfbXwPVDTyZs6k=
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@@ -12,26 +16,24 @@ github.com/caddyserver/certmagic v0.19.2/go.mod h1:fsL01NomQ6N+kE2j37ZCnig2MFosG
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@@ -59,8 +61,8 @@ github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38/go.mod h1:kpwsk12EmLe
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@@ -68,7 +70,6 @@ github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI
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@@ -86,8 +87,8 @@ github.com/mholt/acmez v1.2.0 h1:1hhLxSgY5FvH5HCnGUuwbKY2VQVo8IU7rxXKSnZ7F30=
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@@ -104,6 +105,8 @@ github.com/oschwald/maxminddb-golang v1.12.0 h1:9FnTOD0YOhP7DGxGsq4glzpGy5+w7pq5
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+github.com/sagernet/sing-tun v0.1.13-0.20230925091515-8adce0ea02a9/go.mod h1:7IGpNWXuP0TnxkUiGJRJjewFLquTOhLw1RtfNgxzjJI=
 github.com/sagernet/sing-vmess v0.1.8 h1:XVWad1RpTy9b5tPxdm5MCU8cGfrTGdR8qCq6HV2aCNc=
 github.com/sagernet/sing-vmess v0.1.8/go.mod h1:vhx32UNzTDUkNwOyIjcZQohre1CaytquC5mPplId8uA=
 github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37 h1:HuE6xSwco/Xed8ajZ+coeYLmioq0Qp1/Z2zczFaV8as=
@@ -178,8 +179,10 @@ github.com/zeebo/blake3 v0.2.3 h1:TFoLXsjeXqRNFxSbk35Dk4YtszE/MQQGK10BH4ptoTg=
 github.com/zeebo/blake3 v0.2.3/go.mod h1:mjJjZpnsyIVtVgTOSpJ9vmRE4wgDeyt2HU3qXvvKCaQ=
 github.com/zeebo/pcg v1.0.1 h1:lyqfGeWiv4ahac6ttHs+I5hwtH/+1mrhlCtVNQM2kHo=
 github.com/zeebo/pcg v1.0.1/go.mod h1:09F0S9iiKrwn9rlI5yjLkmrug154/YRW6KnnXVDM/l4=
-go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
-go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
+go.etcd.io/bbolt v1.3.7 h1:j+zJOnnEjF/kyHlDDgGnVL/AIqIJPq8UoB2GSNfkUfQ=
+go.etcd.io/bbolt v1.3.7/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
+go.uber.org/goleak v1.2.1 h1:NBol2c7O1ZokfZ0LEU9K6Whx/KnwvepVetCUhtKja4A=
+go.uber.org/goleak v1.2.1/go.mod h1:qlT2yGI9QafXHhZZLxlSuNsMw3FFLxBr+tBRlmO1xH4=
 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 go.uber.org/zap v1.26.0 h1:sI7k6L95XOKS281NhVKOFCUNIvv9e0w4BF8N3u+tCRo=
@@ -191,26 +194,26 @@ golang.org/x/crypto v0.0.0-20190404164418-38d8ce5564a5/go.mod h1:WFFai1msRO1wXaE
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
-golang.org/x/crypto v0.14.0 h1:wBqGXzWJW6m1XrIKlAH0Hs1JJ7+9KBwnIO8v66Q9cHc=
-golang.org/x/crypto v0.14.0/go.mod h1:MVFd36DqK4CsrnJYDkBA3VC4m2GkXAM0PvzMCn4JQf4=
-golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
-golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
+golang.org/x/crypto v0.13.0 h1:mvySKfSWJ+UKUii46M40LOvyWfN0s2U+46/jDd0e6Ck=
+golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
+golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
+golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.13.0 h1:I/DsJXRlw/8l/0c24sM9yb0T4z9liZTduXvdAWYiysY=
-golang.org/x/mod v0.13.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/mod v0.12.0 h1:rmsUpXtvNzj340zd98LZ4KntptpfRHwpFOHG188oHXc=
+golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
-golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
+golang.org/x/net v0.15.0 h1:ugBLEUaxABaB5AJqW9enI0ACdci2RUd4eP51NTBvuJ8=
+golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.4.0 h1:zxkM55ReGkDlKSM+Fu41A+zmbZuaPVbGMzvvdUPznYQ=
+golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -218,15 +221,17 @@ golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200217220822-9197077df867/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20220622161953-175b2fd9d664/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220731174439-a90be440212d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
-golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
+golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/term v0.13.0 h1:bb+I9cTfFazGW51MZqBVmZy7+JEJMouUHTUSKVQLBek=
+golang.org/x/term v0.12.0 h1:/ZfYdc3zq+q02Rv9vGqTeSItdzZTSNDmfTi0mBAuidU=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@@ -238,16 +243,17 @@ golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGm
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/tools v0.14.0 h1:jvNa2pY0M4r62jkRQ6RwEZZyPcymeL9XZMLBbV7U2nc=
-golang.org/x/tools v0.14.0/go.mod h1:uYBEerGOWcJyEORxN+Ek8+TT266gXkNlHdJBwexUsBg=
+golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
+golang.org/x/tools v0.13.0 h1:Iey4qkscZuv0VvIt8E0neZjtPVQFSc870HQ448QgEmQ=
+golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
 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=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d h1:uvYuEyMHKNt+lT4K3bN6fGswmK8qSvcreM3BwjDh+y4=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d/go.mod h1:+Bk1OCOj40wS2hwAMA+aCW9ypzm63QTBBHp6lQ3p+9M=
-google.golang.org/grpc v1.59.0 h1:Z5Iec2pjwb+LEOqzpB2MR12/eKFhDPhuqW91O+4bwUk=
-google.golang.org/grpc v1.59.0/go.mod h1:aUPDwccQo6OTjy7Hct4AfBPD1GptF4fyUjIkQ9YtF98=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 h1:bVf09lpb+OJbByTj913DRJioFFAjf/ZGxEz7MajTp2U=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98/go.mod h1:TUfxEVdsvPg18p6AslUXFoLdpED4oBnGwyqk3dV1XzM=
+google.golang.org/grpc v1.58.1 h1:OL+Vz23DTtrrldqHK49FUOPHyY75rvFqJfXC84NYW58=
+google.golang.org/grpc v1.58.1/go.mod h1:tgX3ZQDlNJGU96V6yHh1T/JeoBQ2TXdr43YbYSsCJk0=
 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 v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
@@ -257,7 +263,7 @@ gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8X
 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=
-gotest.tools/v3 v3.5.1 h1:EENdUnS3pdur5nybKYIh2Vfgc8IUNBjxDPSjtiJcOzU=
-gotest.tools/v3 v3.5.1/go.mod h1:isy3WKz7GK6uNw/sbHzfKBLvlvXwUyV06n6brMxxopU=
+gotest.tools/v3 v3.4.0 h1:ZazjZUfuVeZGLAmlKKuyv3IKP5orXcwtOwDQH6YVr6o=
+gotest.tools/v3 v3.4.0/go.mod h1:CtbdzLSsqVhDgMtKsx03ird5YTGB3ar27v0u/yKBW5g=
 lukechampine.com/blake3 v1.2.1 h1:YuqqRuaqsGV71BV/nm9xlI0MKUv4QC54jQnBChWbGnI=
 lukechampine.com/blake3 v1.2.1/go.mod h1:0OFRp7fBtAylGVCO40o87sbupkyIGgbpv1+M1k1LM6k=

test/hysteria2_test.go

@@ -97,7 +97,7 @@ func testHysteria2Self(t *testing.T, salamanderPassword string) {
 			},
 		},
 	})
-	testSuitLargeUDP(t, clientPort, testPort)
+	testSuit(t, clientPort, testPort)
 }
 
 func TestHysteria2Inbound(t *testing.T) {

test/hysteria_test.go

@@ -79,7 +79,7 @@ func TestHysteriaSelf(t *testing.T) {
 			},
 		},
 	})
-	testSuit(t, clientPort, testPort)
+	testSuitSimple1(t, clientPort, testPort)
 }
 
 func TestHysteriaInbound(t *testing.T) {
@@ -118,7 +118,7 @@ func TestHysteriaInbound(t *testing.T) {
 			caPem:                  "/etc/hysteria/ca.pem",
 		},
 	})
-	testSuit(t, clientPort, testPort)
+	testSuitSimple1(t, clientPort, testPort)
 }
 
 func TestHysteriaOutbound(t *testing.T) {

test/shadowsocksr_test.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"net/netip"
+	"testing"
+
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/option"
+)
+
+func TestShadowsocksR(t *testing.T) {
+	startDockerContainer(t, DockerOptions{
+		Image: ImageShadowsocksR,
+		Ports: []uint16{serverPort, testPort},
+		Bind: map[string]string{
+			"shadowsocksr.json": "/etc/shadowsocks-r/config.json",
+		},
+	})
+	startInstance(t, option.Options{
+		Inbounds: []option.Inbound{
+			{
+				Type: C.TypeMixed,
+				MixedOptions: option.HTTPMixedInboundOptions{
+					ListenOptions: option.ListenOptions{
+						Listen:     option.NewListenAddress(netip.IPv4Unspecified()),
+						ListenPort: clientPort,
+					},
+				},
+			},
+		},
+		Outbounds: []option.Outbound{
+			{
+				Type: C.TypeShadowsocksR,
+				ShadowsocksROptions: option.ShadowsocksROutboundOptions{
+					ServerOptions: option.ServerOptions{
+						Server:     "127.0.0.1",
+						ServerPort: serverPort,
+					},
+					Method:   "aes-256-cfb",
+					Password: "password0",
+					Obfs:     "plain",
+					Protocol: "origin",
+				},
+			},
+		},
+	})
+	testSuit(t, clientPort, testPort)
+}

test/wireguard_test.go

@@ -40,7 +40,7 @@ func _TestWireGuard(t *testing.T) {
 						Server:     "127.0.0.1",
 						ServerPort: serverPort,
 					},
-					LocalAddress:  []netip.Prefix{netip.MustParsePrefix("10.0.0.2/32")},
+					LocalAddress:  []option.ListenPrefix{option.ListenPrefix(netip.MustParsePrefix("10.0.0.2/32"))},
 					PrivateKey:    "qGnwlkZljMxeECW8fbwAWdvgntnbK7B8UmMFl3zM0mk=",
 					PeerPublicKey: "QsdcBm+oJw2oNv0cIFXLIq1E850lgTBonup4qnKEQBg=",
 				},

transport/clashssr/obfs/base.go

@@ -0,0 +1,9 @@
+package obfs
+
+type Base struct {
+	Host   string
+	Port   int
+	Key    []byte
+	IVSize int
+	Param  string
+}

transport/clashssr/obfs/http_post.go

@@ -0,0 +1,9 @@
+package obfs
+
+func init() {
+	register("http_post", newHTTPPost, 0)
+}
+
+func newHTTPPost(b *Base) Obfs {
+	return &httpObfs{Base: b, post: true}
+}

transport/clashssr/obfs/http_simple.go

@@ -0,0 +1,405 @@
+package obfs
+
+import (
+	"bytes"
+	"encoding/hex"
+	"io"
+	"math/rand"
+	"net"
+	"strconv"
+	"strings"
+
+	"github.com/Dreamacro/clash/common/pool"
+)
+
+func init() {
+	register("http_simple", newHTTPSimple, 0)
+}
+
+type httpObfs struct {
+	*Base
+	post bool
+}
+
+func newHTTPSimple(b *Base) Obfs {
+	return &httpObfs{Base: b}
+}
+
+type httpConn struct {
+	net.Conn
+	*httpObfs
+	hasSentHeader bool
+	hasRecvHeader bool
+	buf           []byte
+}
+
+func (h *httpObfs) StreamConn(c net.Conn) net.Conn {
+	return &httpConn{Conn: c, httpObfs: h}
+}
+
+func (c *httpConn) Read(b []byte) (int, error) {
+	if c.buf != nil {
+		n := copy(b, c.buf)
+		if n == len(c.buf) {
+			c.buf = nil
+		} else {
+			c.buf = c.buf[n:]
+		}
+		return n, nil
+	}
+
+	if c.hasRecvHeader {
+		return c.Conn.Read(b)
+	}
+
+	buf := pool.Get(pool.RelayBufferSize)
+	defer pool.Put(buf)
+	n, err := c.Conn.Read(buf)
+	if err != nil {
+		return 0, err
+	}
+	pos := bytes.Index(buf[:n], []byte("\r\n\r\n"))
+	if pos == -1 {
+		return 0, io.EOF
+	}
+	c.hasRecvHeader = true
+	dataLength := n - pos - 4
+	n = copy(b, buf[4+pos:n])
+	if dataLength > n {
+		c.buf = append(c.buf, buf[4+pos+n:4+pos+dataLength]...)
+	}
+	return n, nil
+}
+
+func (c *httpConn) Write(b []byte) (int, error) {
+	if c.hasSentHeader {
+		return c.Conn.Write(b)
+	}
+	// 30: head length
+	headLength := c.IVSize + 30
+
+	bLength := len(b)
+	headDataLength := bLength
+	if bLength-headLength > 64 {
+		headDataLength = headLength + rand.Intn(65)
+	}
+	headData := b[:headDataLength]
+	b = b[headDataLength:]
+
+	var body string
+	host := c.Host
+	if len(c.Param) > 0 {
+		pos := strings.Index(c.Param, "#")
+		if pos != -1 {
+			body = strings.ReplaceAll(c.Param[pos+1:], "\n", "\r\n")
+			body = strings.ReplaceAll(body, "\\n", "\r\n")
+			host = c.Param[:pos]
+		} else {
+			host = c.Param
+		}
+	}
+	hosts := strings.Split(host, ",")
+	host = hosts[rand.Intn(len(hosts))]
+
+	buf := pool.GetBuffer()
+	defer pool.PutBuffer(buf)
+	if c.post {
+		buf.WriteString("POST /")
+	} else {
+		buf.WriteString("GET /")
+	}
+	packURLEncodedHeadData(buf, headData)
+	buf.WriteString(" HTTP/1.1\r\nHost: " + host)
+	if c.Port != 80 {
+		buf.WriteString(":" + strconv.Itoa(c.Port))
+	}
+	buf.WriteString("\r\n")
+	if len(body) > 0 {
+		buf.WriteString(body + "\r\n\r\n")
+	} else {
+		buf.WriteString("User-Agent: ")
+		buf.WriteString(userAgent[rand.Intn(len(userAgent))])
+		buf.WriteString("\r\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\nAccept-Language: en-US,en;q=0.8\r\nAccept-Encoding: gzip, deflate\r\n")
+		if c.post {
+			packBoundary(buf)
+		}
+		buf.WriteString("DNT: 1\r\nConnection: keep-alive\r\n\r\n")
+	}
+	buf.Write(b)
+	_, err := c.Conn.Write(buf.Bytes())
+	if err != nil {
+		return 0, nil
+	}
+	c.hasSentHeader = true
+	return bLength, nil
+}
+
+func packURLEncodedHeadData(buf *bytes.Buffer, data []byte) {
+	dataLength := len(data)
+	for i := 0; i < dataLength; i++ {
+		buf.WriteRune('%')
+		buf.WriteString(hex.EncodeToString(data[i : i+1]))
+	}
+}
+
+func packBoundary(buf *bytes.Buffer) {
+	buf.WriteString("Content-Type: multipart/form-data; boundary=")
+	set := "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
+	for i := 0; i < 32; i++ {
+		buf.WriteByte(set[rand.Intn(62)])
+	}
+	buf.WriteString("\r\n")
+}
+
+var userAgent = []string{
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.162 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; Moto C Build/NRD90M.059) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1.1; SM-J120M Build/LMY47X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; Moto G (5) Build/NPPS25.137-93-14) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; SM-G570M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0; CAM-L03 Build/HUAWEICAM-L03) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.3 (KHTML, like Gecko) Chrome/6.0.472.63 Safari/534.3",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.7 (KHTML, like Gecko) Chrome/7.0.517.44 Safari/534.7",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.3 (KHTML, like Gecko) Chrome/6.0.472.63 Safari/534.3",
+	"Mozilla/5.0 (Linux; Android 8.0.0; FIG-LX3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.115 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.10 (KHTML, like Gecko) Chrome/8.0.552.237 Safari/534.10",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/5.0.342.1 Safari/533.2",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.110 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.81 Safari/537.36",
+	"Mozilla/5.0 (X11; Datanyze; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1.1; SM-J111M Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36",
+	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.107 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-J700M Build/MMB29K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.63 Safari/537.36",
+	"Mozilla/5.0 (X11; Linux i686) AppleWebKit/534.30 (KHTML, like Gecko) Slackware/Chrome/12.0.742.100 Safari/534.30",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.167 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.116 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36",
+	"Mozilla/5.0 (X11; Linux i686) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.100 Safari/534.30",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 8.0.0; WAS-LX3 Build/HUAWEIWAS-LX3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.101 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.1805 Safari/537.36 MVisionPlayer/1.0.0.0",
+	"Mozilla/5.0 (Linux; Android 7.0; TRT-LX3 Build/HUAWEITRT-LX3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.89 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0; vivo 1610 Build/MMB29M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.124 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.111 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 4.4.2; de-de; SAMSUNG GT-I9195 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/1.5 Chrome/28.0.1500.94 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36",
+	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.110 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 8.0.0; ANE-LX3 Build/HUAWEIANE-LX3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36",
+	"Mozilla/5.0 (X11; U; Linux i586; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/5.0.342.1 Safari/533.2",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.65 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; SM-G610M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-J500M Build/MMB29M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.7 (KHTML, like Gecko) Chrome/7.0.517.44 Safari/534.7",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.104 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0; vivo 1606 Build/MMB29M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.124 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; SM-G610M Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.1; vivo 1716 Build/N2G47H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.98 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.93 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; SM-G570M Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0; MYA-L22 Build/HUAWEIMYA-L22) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.84 Mobile Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1; A1601 Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.98 Mobile Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36",
+	"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/534.24 (KHTML, like Gecko) Chrome/11.0.696.3 Safari/534.24",
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+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 4.4.2; SM-G7102 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.84 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.109 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1; HUAWEI CUN-L22 Build/HUAWEICUN-L22; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1.1; A37fw Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.84 Mobile Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; SM-J730GM Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.111 Mobile Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.1.2; Redmi Note 5A Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36",
+	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; Redmi Note 4 Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.111 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36",
+	"Mozilla/5.0 (Unknown; Linux) AppleWebKit/538.1 (KHTML, like Gecko) Chrome/v1.0.0 Safari/538.1",
+	"Mozilla/5.0 (Linux; Android 7.0; BLL-L22 Build/HUAWEIBLL-L22) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.91 Mobile Safari/537.36",
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+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.91 Mobile Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.1.1; CPH1723 Build/N6F26Q) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.98 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.118 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.79 Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 8.0.0; FIG-LX3 Build/HUAWEIFIG-LX3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 6.1; de-DE) AppleWebKit/534.17 (KHTML, like Gecko) Chrome/10.0.649.0 Safari/534.17",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.63 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
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+	"Mozilla/5.0 (Linux; Android 7.1; Mi A1 Build/N2G47H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.83 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.99 Safari/533.4",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.111 Safari/537.36 MVisionPlayer/1.0.0.0",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1; A37f Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.93 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36",
+	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; Redmi 4A Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/60.0.3112.116 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532G Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.83 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.109 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.131 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0; vivo 1713 Build/MRA58K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.124 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+}

transport/clashssr/obfs/obfs.go

@@ -0,0 +1,42 @@
+package obfs
+
+import (
+	"errors"
+	"fmt"
+	"net"
+)
+
+var (
+	errTLS12TicketAuthIncorrectMagicNumber = errors.New("tls1.2_ticket_auth incorrect magic number")
+	errTLS12TicketAuthTooShortData         = errors.New("tls1.2_ticket_auth too short data")
+	errTLS12TicketAuthHMACError            = errors.New("tls1.2_ticket_auth hmac verifying failed")
+)
+
+type authData struct {
+	clientID [32]byte
+}
+
+type Obfs interface {
+	StreamConn(net.Conn) net.Conn
+}
+
+type obfsCreator func(b *Base) Obfs
+
+var obfsList = make(map[string]struct {
+	overhead int
+	new      obfsCreator
+})
+
+func register(name string, c obfsCreator, o int) {
+	obfsList[name] = struct {
+		overhead int
+		new      obfsCreator
+	}{overhead: o, new: c}
+}
+
+func PickObfs(name string, b *Base) (Obfs, int, error) {
+	if choice, ok := obfsList[name]; ok {
+		return choice.new(b), choice.overhead, nil
+	}
+	return nil, 0, fmt.Errorf("Obfs %s not supported", name)
+}

transport/clashssr/obfs/plain.go

@@ -0,0 +1,15 @@
+package obfs
+
+import "net"
+
+type plain struct{}
+
+func init() {
+	register("plain", newPlain, 0)
+}
+
+func newPlain(b *Base) Obfs {
+	return &plain{}
+}
+
+func (p *plain) StreamConn(c net.Conn) net.Conn { return c }

transport/clashssr/obfs/random_head.go

@@ -0,0 +1,71 @@
+package obfs
+
+import (
+	"encoding/binary"
+	"hash/crc32"
+	"math/rand"
+	"net"
+
+	"github.com/Dreamacro/clash/common/pool"
+)
+
+func init() {
+	register("random_head", newRandomHead, 0)
+}
+
+type randomHead struct {
+	*Base
+}
+
+func newRandomHead(b *Base) Obfs {
+	return &randomHead{Base: b}
+}
+
+type randomHeadConn struct {
+	net.Conn
+	*randomHead
+	hasSentHeader bool
+	rawTransSent  bool
+	rawTransRecv  bool
+	buf           []byte
+}
+
+func (r *randomHead) StreamConn(c net.Conn) net.Conn {
+	return &randomHeadConn{Conn: c, randomHead: r}
+}
+
+func (c *randomHeadConn) Read(b []byte) (int, error) {
+	if c.rawTransRecv {
+		return c.Conn.Read(b)
+	}
+	buf := pool.Get(pool.RelayBufferSize)
+	defer pool.Put(buf)
+	c.Conn.Read(buf)
+	c.rawTransRecv = true
+	c.Write(nil)
+	return 0, nil
+}
+
+func (c *randomHeadConn) Write(b []byte) (int, error) {
+	if c.rawTransSent {
+		return c.Conn.Write(b)
+	}
+	c.buf = append(c.buf, b...)
+	if !c.hasSentHeader {
+		c.hasSentHeader = true
+		dataLength := rand.Intn(96) + 4
+		buf := pool.Get(dataLength + 4)
+		defer pool.Put(buf)
+		rand.Read(buf[:dataLength])
+		binary.LittleEndian.PutUint32(buf[dataLength:], 0xffffffff-crc32.ChecksumIEEE(buf[:dataLength]))
+		_, err := c.Conn.Write(buf)
+		return len(b), err
+	}
+	if c.rawTransRecv {
+		_, err := c.Conn.Write(c.buf)
+		c.buf = nil
+		c.rawTransSent = true
+		return len(b), err
+	}
+	return len(b), nil
+}

transport/clashssr/obfs/tls1.2_ticket_auth.go

@@ -0,0 +1,226 @@
+package obfs
+
+import (
+	"bytes"
+	"crypto/hmac"
+	"encoding/binary"
+	"math/rand"
+	"net"
+	"strings"
+	"time"
+
+	"github.com/Dreamacro/clash/common/pool"
+	"github.com/Dreamacro/clash/transport/ssr/tools"
+)
+
+func init() {
+	register("tls1.2_ticket_auth", newTLS12Ticket, 5)
+	register("tls1.2_ticket_fastauth", newTLS12Ticket, 5)
+}
+
+type tls12Ticket struct {
+	*Base
+	*authData
+}
+
+func newTLS12Ticket(b *Base) Obfs {
+	r := &tls12Ticket{Base: b, authData: &authData{}}
+	rand.Read(r.clientID[:])
+	return r
+}
+
+type tls12TicketConn struct {
+	net.Conn
+	*tls12Ticket
+	handshakeStatus int
+	decoded         bytes.Buffer
+	underDecoded    bytes.Buffer
+	sendBuf         bytes.Buffer
+}
+
+func (t *tls12Ticket) StreamConn(c net.Conn) net.Conn {
+	return &tls12TicketConn{Conn: c, tls12Ticket: t}
+}
+
+func (c *tls12TicketConn) Read(b []byte) (int, error) {
+	if c.decoded.Len() > 0 {
+		return c.decoded.Read(b)
+	}
+
+	buf := pool.Get(pool.RelayBufferSize)
+	defer pool.Put(buf)
+	n, err := c.Conn.Read(buf)
+	if err != nil {
+		return 0, err
+	}
+
+	if c.handshakeStatus == 8 {
+		c.underDecoded.Write(buf[:n])
+		for c.underDecoded.Len() > 5 {
+			if !bytes.Equal(c.underDecoded.Bytes()[:3], []byte{0x17, 3, 3}) {
+				c.underDecoded.Reset()
+				return 0, errTLS12TicketAuthIncorrectMagicNumber
+			}
+			size := int(binary.BigEndian.Uint16(c.underDecoded.Bytes()[3:5]))
+			if c.underDecoded.Len() < 5+size {
+				break
+			}
+			c.underDecoded.Next(5)
+			c.decoded.Write(c.underDecoded.Next(size))
+		}
+		n, _ = c.decoded.Read(b)
+		return n, nil
+	}
+
+	if n < 11+32+1+32 {
+		return 0, errTLS12TicketAuthTooShortData
+	}
+
+	if !hmac.Equal(buf[33:43], c.hmacSHA1(buf[11:33])[:10]) || !hmac.Equal(buf[n-10:n], c.hmacSHA1(buf[:n-10])[:10]) {
+		return 0, errTLS12TicketAuthHMACError
+	}
+
+	c.Write(nil)
+	return 0, nil
+}
+
+func (c *tls12TicketConn) Write(b []byte) (int, error) {
+	length := len(b)
+	if c.handshakeStatus == 8 {
+		buf := pool.GetBuffer()
+		defer pool.PutBuffer(buf)
+		for len(b) > 2048 {
+			size := rand.Intn(4096) + 100
+			if len(b) < size {
+				size = len(b)
+			}
+			packData(buf, b[:size])
+			b = b[size:]
+		}
+		if len(b) > 0 {
+			packData(buf, b)
+		}
+		_, err := c.Conn.Write(buf.Bytes())
+		if err != nil {
+			return 0, err
+		}
+		return length, nil
+	}
+
+	if len(b) > 0 {
+		packData(&c.sendBuf, b)
+	}
+
+	if c.handshakeStatus == 0 {
+		c.handshakeStatus = 1
+
+		data := pool.GetBuffer()
+		defer pool.PutBuffer(data)
+
+		data.Write([]byte{3, 3})
+		c.packAuthData(data)
+		data.WriteByte(0x20)
+		data.Write(c.clientID[:])
+		data.Write([]byte{0x00, 0x1c, 0xc0, 0x2b, 0xc0, 0x2f, 0xcc, 0xa9, 0xcc, 0xa8, 0xcc, 0x14, 0xcc, 0x13, 0xc0, 0x0a, 0xc0, 0x14, 0xc0, 0x09, 0xc0, 0x13, 0x00, 0x9c, 0x00, 0x35, 0x00, 0x2f, 0x00, 0x0a})
+		data.Write([]byte{0x1, 0x0})
+
+		ext := pool.GetBuffer()
+		defer pool.PutBuffer(ext)
+
+		host := c.getHost()
+		ext.Write([]byte{0xff, 0x01, 0x00, 0x01, 0x00})
+		packSNIData(ext, host)
+		ext.Write([]byte{0, 0x17, 0, 0})
+		c.packTicketBuf(ext, host)
+		ext.Write([]byte{0x00, 0x0d, 0x00, 0x16, 0x00, 0x14, 0x06, 0x01, 0x06, 0x03, 0x05, 0x01, 0x05, 0x03, 0x04, 0x01, 0x04, 0x03, 0x03, 0x01, 0x03, 0x03, 0x02, 0x01, 0x02, 0x03})
+		ext.Write([]byte{0x00, 0x05, 0x00, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00})
+		ext.Write([]byte{0x00, 0x12, 0x00, 0x00})
+		ext.Write([]byte{0x75, 0x50, 0x00, 0x00})
+		ext.Write([]byte{0x00, 0x0b, 0x00, 0x02, 0x01, 0x00})
+		ext.Write([]byte{0x00, 0x0a, 0x00, 0x06, 0x00, 0x04, 0x00, 0x17, 0x00, 0x18})
+
+		binary.Write(data, binary.BigEndian, uint16(ext.Len()))
+		data.ReadFrom(ext)
+
+		ret := pool.GetBuffer()
+		defer pool.PutBuffer(ret)
+
+		ret.Write([]byte{0x16, 3, 1})
+		binary.Write(ret, binary.BigEndian, uint16(data.Len()+4))
+		ret.Write([]byte{1, 0})
+		binary.Write(ret, binary.BigEndian, uint16(data.Len()))
+		ret.ReadFrom(data)
+
+		_, err := c.Conn.Write(ret.Bytes())
+		if err != nil {
+			return 0, err
+		}
+		return length, nil
+	} else if c.handshakeStatus == 1 && len(b) == 0 {
+		buf := pool.GetBuffer()
+		defer pool.PutBuffer(buf)
+
+		buf.Write([]byte{0x14, 3, 3, 0, 1, 1, 0x16, 3, 3, 0, 0x20})
+		tools.AppendRandBytes(buf, 22)
+		buf.Write(c.hmacSHA1(buf.Bytes())[:10])
+		buf.ReadFrom(&c.sendBuf)
+
+		c.handshakeStatus = 8
+
+		_, err := c.Conn.Write(buf.Bytes())
+		return 0, err
+	}
+	return length, nil
+}
+
+func packData(buf *bytes.Buffer, data []byte) {
+	buf.Write([]byte{0x17, 3, 3})
+	binary.Write(buf, binary.BigEndian, uint16(len(data)))
+	buf.Write(data)
+}
+
+func (t *tls12Ticket) packAuthData(buf *bytes.Buffer) {
+	binary.Write(buf, binary.BigEndian, uint32(time.Now().Unix()))
+	tools.AppendRandBytes(buf, 18)
+	buf.Write(t.hmacSHA1(buf.Bytes()[buf.Len()-22:])[:10])
+}
+
+func packSNIData(buf *bytes.Buffer, u string) {
+	len := uint16(len(u))
+	buf.Write([]byte{0, 0})
+	binary.Write(buf, binary.BigEndian, len+5)
+	binary.Write(buf, binary.BigEndian, len+3)
+	buf.WriteByte(0)
+	binary.Write(buf, binary.BigEndian, len)
+	buf.WriteString(u)
+}
+
+func (c *tls12TicketConn) packTicketBuf(buf *bytes.Buffer, u string) {
+	length := 16 * (rand.Intn(17) + 8)
+	buf.Write([]byte{0, 0x23})
+	binary.Write(buf, binary.BigEndian, uint16(length))
+	tools.AppendRandBytes(buf, length)
+}
+
+func (t *tls12Ticket) hmacSHA1(data []byte) []byte {
+	key := pool.Get(len(t.Key) + 32)
+	defer pool.Put(key)
+	copy(key, t.Key)
+	copy(key[len(t.Key):], t.clientID[:])
+
+	sha1Data := tools.HmacSHA1(key, data)
+	return sha1Data[:10]
+}
+
+func (t *tls12Ticket) getHost() string {
+	host := t.Param
+	if len(host) == 0 {
+		host = t.Host
+	}
+	if len(host) > 0 && host[len(host)-1] >= '0' && host[len(host)-1] <= '9' {
+		host = ""
+	}
+	hosts := strings.Split(host, ",")
+	host = hosts[rand.Intn(len(hosts))]
+	return host
+}

transport/clashssr/protocol/auth_aes128_md5.go

@@ -0,0 +1,18 @@
+package protocol
+
+import "github.com/Dreamacro/clash/transport/ssr/tools"
+
+func init() {
+	register("auth_aes128_md5", newAuthAES128MD5, 9)
+}
+
+func newAuthAES128MD5(b *Base) Protocol {
+	a := &authAES128{
+		Base:               b,
+		authData:           &authData{},
+		authAES128Function: &authAES128Function{salt: "auth_aes128_md5", hmac: tools.HmacMD5, hashDigest: tools.MD5Sum},
+		userData:           &userData{},
+	}
+	a.initUserData()
+	return a
+}

transport/clashssr/protocol/auth_aes128_sha1.go

@@ -0,0 +1,277 @@
+package protocol
+
+import (
+	"bytes"
+	"encoding/binary"
+	"math"
+	"math/rand"
+	"net"
+	"strconv"
+	"strings"
+
+	"github.com/Dreamacro/clash/common/pool"
+	"github.com/Dreamacro/clash/transport/ssr/tools"
+)
+
+type (
+	hmacMethod       func(key, data []byte) []byte
+	hashDigestMethod func([]byte) []byte
+)
+
+func init() {
+	register("auth_aes128_sha1", newAuthAES128SHA1, 9)
+}
+
+type authAES128Function struct {
+	salt       string
+	hmac       hmacMethod
+	hashDigest hashDigestMethod
+}
+
+type authAES128 struct {
+	*Base
+	*authData
+	*authAES128Function
+	*userData
+	iv            []byte
+	hasSentHeader bool
+	rawTrans      bool
+	packID        uint32
+	recvID        uint32
+}
+
+func newAuthAES128SHA1(b *Base) Protocol {
+	a := &authAES128{
+		Base:               b,
+		authData:           &authData{},
+		authAES128Function: &authAES128Function{salt: "auth_aes128_sha1", hmac: tools.HmacSHA1, hashDigest: tools.SHA1Sum},
+		userData:           &userData{},
+	}
+	a.initUserData()
+	return a
+}
+
+func (a *authAES128) initUserData() {
+	params := strings.Split(a.Param, ":")
+	if len(params) > 1 {
+		if userID, err := strconv.ParseUint(params[0], 10, 32); err == nil {
+			binary.LittleEndian.PutUint32(a.userID[:], uint32(userID))
+			a.userKey = a.hashDigest([]byte(params[1]))
+		}
+	}
+	if len(a.userKey) == 0 {
+		a.userKey = a.Key
+		rand.Read(a.userID[:])
+	}
+}
+
+func (a *authAES128) StreamConn(c net.Conn, iv []byte) net.Conn {
+	p := &authAES128{
+		Base:               a.Base,
+		authData:           a.next(),
+		authAES128Function: a.authAES128Function,
+		userData:           a.userData,
+		packID:             1,
+		recvID:             1,
+	}
+	p.iv = iv
+	return &Conn{Conn: c, Protocol: p}
+}
+
+func (a *authAES128) PacketConn(c net.PacketConn) net.PacketConn {
+	p := &authAES128{
+		Base:               a.Base,
+		authAES128Function: a.authAES128Function,
+		userData:           a.userData,
+	}
+	return &PacketConn{PacketConn: c, Protocol: p}
+}
+
+func (a *authAES128) Decode(dst, src *bytes.Buffer) error {
+	if a.rawTrans {
+		dst.ReadFrom(src)
+		return nil
+	}
+	for src.Len() > 4 {
+		macKey := pool.Get(len(a.userKey) + 4)
+		defer pool.Put(macKey)
+		copy(macKey, a.userKey)
+		binary.LittleEndian.PutUint32(macKey[len(a.userKey):], a.recvID)
+		if !bytes.Equal(a.hmac(macKey, src.Bytes()[:2])[:2], src.Bytes()[2:4]) {
+			src.Reset()
+			return errAuthAES128MACError
+		}
+
+		length := int(binary.LittleEndian.Uint16(src.Bytes()[:2]))
+		if length >= 8192 || length < 7 {
+			a.rawTrans = true
+			src.Reset()
+			return errAuthAES128LengthError
+		}
+		if length > src.Len() {
+			break
+		}
+
+		if !bytes.Equal(a.hmac(macKey, src.Bytes()[:length-4])[:4], src.Bytes()[length-4:length]) {
+			a.rawTrans = true
+			src.Reset()
+			return errAuthAES128ChksumError
+		}
+
+		a.recvID++
+
+		pos := int(src.Bytes()[4])
+		if pos < 255 {
+			pos += 4
+		} else {
+			pos = int(binary.LittleEndian.Uint16(src.Bytes()[5:7])) + 4
+		}
+		dst.Write(src.Bytes()[pos : length-4])
+		src.Next(length)
+	}
+	return nil
+}
+
+func (a *authAES128) Encode(buf *bytes.Buffer, b []byte) error {
+	fullDataLength := len(b)
+	if !a.hasSentHeader {
+		dataLength := getDataLength(b)
+		a.packAuthData(buf, b[:dataLength])
+		b = b[dataLength:]
+		a.hasSentHeader = true
+	}
+	for len(b) > 8100 {
+		a.packData(buf, b[:8100], fullDataLength)
+		b = b[8100:]
+	}
+	if len(b) > 0 {
+		a.packData(buf, b, fullDataLength)
+	}
+	return nil
+}
+
+func (a *authAES128) DecodePacket(b []byte) ([]byte, error) {
+	if len(b) < 4 {
+		return nil, errAuthAES128LengthError
+	}
+	if !bytes.Equal(a.hmac(a.Key, b[:len(b)-4])[:4], b[len(b)-4:]) {
+		return nil, errAuthAES128ChksumError
+	}
+	return b[:len(b)-4], nil
+}
+
+func (a *authAES128) EncodePacket(buf *bytes.Buffer, b []byte) error {
+	buf.Write(b)
+	buf.Write(a.userID[:])
+	buf.Write(a.hmac(a.userKey, buf.Bytes())[:4])
+	return nil
+}
+
+func (a *authAES128) packData(poolBuf *bytes.Buffer, data []byte, fullDataLength int) {
+	dataLength := len(data)
+	randDataLength := a.getRandDataLengthForPackData(dataLength, fullDataLength)
+	/*
+		2:	uint16 LittleEndian packedDataLength
+		2:	hmac of packedDataLength
+		3:	maxRandDataLengthPrefix (min:1)
+		4:	hmac of packedData except the last 4 bytes
+	*/
+	packedDataLength := 2 + 2 + 3 + randDataLength + dataLength + 4
+	if randDataLength < 128 {
+		packedDataLength -= 2
+	}
+
+	macKey := pool.Get(len(a.userKey) + 4)
+	defer pool.Put(macKey)
+	copy(macKey, a.userKey)
+	binary.LittleEndian.PutUint32(macKey[len(a.userKey):], a.packID)
+	a.packID++
+
+	binary.Write(poolBuf, binary.LittleEndian, uint16(packedDataLength))
+	poolBuf.Write(a.hmac(macKey, poolBuf.Bytes()[poolBuf.Len()-2:])[:2])
+	a.packRandData(poolBuf, randDataLength)
+	poolBuf.Write(data)
+	poolBuf.Write(a.hmac(macKey, poolBuf.Bytes()[poolBuf.Len()-packedDataLength+4:])[:4])
+}
+
+func trapezoidRandom(max int, d float64) int {
+	base := rand.Float64()
+	if d-0 > 1e-6 {
+		a := 1 - d
+		base = (math.Sqrt(a*a+4*d*base) - a) / (2 * d)
+	}
+	return int(base * float64(max))
+}
+
+func (a *authAES128) getRandDataLengthForPackData(dataLength, fullDataLength int) int {
+	if fullDataLength >= 32*1024-a.Overhead {
+		return 0
+	}
+	// 1460: tcp_mss
+	revLength := 1460 - dataLength - 9
+	if revLength == 0 {
+		return 0
+	}
+	if revLength < 0 {
+		if revLength > -1460 {
+			return trapezoidRandom(revLength+1460, -0.3)
+		}
+		return rand.Intn(32)
+	}
+	if dataLength > 900 {
+		return rand.Intn(revLength)
+	}
+	return trapezoidRandom(revLength, -0.3)
+}
+
+func (a *authAES128) packAuthData(poolBuf *bytes.Buffer, data []byte) {
+	if len(data) == 0 {
+		return
+	}
+	dataLength := len(data)
+	randDataLength := a.getRandDataLengthForPackAuthData(dataLength)
+	/*
+		7:	checkHead(1) and hmac of checkHead(6)
+		4:	userID
+		16:	encrypted data of authdata(12), uint16 BigEndian packedDataLength(2) and uint16 BigEndian randDataLength(2)
+		4:	hmac of userID and encrypted data
+		4:	hmac of packedAuthData except the last 4 bytes
+	*/
+	packedAuthDataLength := 7 + 4 + 16 + 4 + randDataLength + dataLength + 4
+
+	macKey := pool.Get(len(a.iv) + len(a.Key))
+	defer pool.Put(macKey)
+	copy(macKey, a.iv)
+	copy(macKey[len(a.iv):], a.Key)
+
+	poolBuf.WriteByte(byte(rand.Intn(256)))
+	poolBuf.Write(a.hmac(macKey, poolBuf.Bytes())[:6])
+	poolBuf.Write(a.userID[:])
+	err := a.authData.putEncryptedData(poolBuf, a.userKey, [2]int{packedAuthDataLength, randDataLength}, a.salt)
+	if err != nil {
+		poolBuf.Reset()
+		return
+	}
+	poolBuf.Write(a.hmac(macKey, poolBuf.Bytes()[7:])[:4])
+	tools.AppendRandBytes(poolBuf, randDataLength)
+	poolBuf.Write(data)
+	poolBuf.Write(a.hmac(a.userKey, poolBuf.Bytes())[:4])
+}
+
+func (a *authAES128) getRandDataLengthForPackAuthData(size int) int {
+	if size > 400 {
+		return rand.Intn(512)
+	}
+	return rand.Intn(1024)
+}
+
+func (a *authAES128) packRandData(poolBuf *bytes.Buffer, size int) {
+	if size < 128 {
+		poolBuf.WriteByte(byte(size + 1))
+		tools.AppendRandBytes(poolBuf, size)
+		return
+	}
+	poolBuf.WriteByte(255)
+	binary.Write(poolBuf, binary.LittleEndian, uint16(size+3))
+	tools.AppendRandBytes(poolBuf, size)
+}

transport/clashssr/protocol/auth_chain_a.go

@@ -0,0 +1,306 @@
+package protocol
+
+import (
+	"bytes"
+	"crypto/cipher"
+	"crypto/rand"
+	"crypto/rc4"
+	"encoding/base64"
+	"encoding/binary"
+	"net"
+	"strconv"
+	"strings"
+
+	"github.com/Dreamacro/clash/common/pool"
+	"github.com/Dreamacro/clash/transport/shadowsocks/core"
+	"github.com/Dreamacro/clash/transport/ssr/tools"
+)
+
+func init() {
+	register("auth_chain_a", newAuthChainA, 4)
+}
+
+type randDataLengthMethod func(int, []byte, *tools.XorShift128Plus) int
+
+type authChainA struct {
+	*Base
+	*authData
+	*userData
+	iv             []byte
+	salt           string
+	hasSentHeader  bool
+	rawTrans       bool
+	lastClientHash []byte
+	lastServerHash []byte
+	encrypter      cipher.Stream
+	decrypter      cipher.Stream
+	randomClient   tools.XorShift128Plus
+	randomServer   tools.XorShift128Plus
+	randDataLength randDataLengthMethod
+	packID         uint32
+	recvID         uint32
+}
+
+func newAuthChainA(b *Base) Protocol {
+	a := &authChainA{
+		Base:     b,
+		authData: &authData{},
+		userData: &userData{},
+		salt:     "auth_chain_a",
+	}
+	a.initUserData()
+	return a
+}
+
+func (a *authChainA) initUserData() {
+	params := strings.Split(a.Param, ":")
+	if len(params) > 1 {
+		if userID, err := strconv.ParseUint(params[0], 10, 32); err == nil {
+			binary.LittleEndian.PutUint32(a.userID[:], uint32(userID))
+			a.userKey = []byte(params[1])
+		}
+	}
+	if len(a.userKey) == 0 {
+		a.userKey = a.Key
+		rand.Read(a.userID[:])
+	}
+}
+
+func (a *authChainA) StreamConn(c net.Conn, iv []byte) net.Conn {
+	p := &authChainA{
+		Base:     a.Base,
+		authData: a.next(),
+		userData: a.userData,
+		salt:     a.salt,
+		packID:   1,
+		recvID:   1,
+	}
+	p.iv = iv
+	p.randDataLength = p.getRandLength
+	return &Conn{Conn: c, Protocol: p}
+}
+
+func (a *authChainA) PacketConn(c net.PacketConn) net.PacketConn {
+	p := &authChainA{
+		Base:     a.Base,
+		salt:     a.salt,
+		userData: a.userData,
+	}
+	return &PacketConn{PacketConn: c, Protocol: p}
+}
+
+func (a *authChainA) Decode(dst, src *bytes.Buffer) error {
+	if a.rawTrans {
+		dst.ReadFrom(src)
+		return nil
+	}
+	for src.Len() > 4 {
+		macKey := pool.Get(len(a.userKey) + 4)
+		defer pool.Put(macKey)
+		copy(macKey, a.userKey)
+		binary.LittleEndian.PutUint32(macKey[len(a.userKey):], a.recvID)
+
+		dataLength := int(binary.LittleEndian.Uint16(src.Bytes()[:2]) ^ binary.LittleEndian.Uint16(a.lastServerHash[14:16]))
+		randDataLength := a.randDataLength(dataLength, a.lastServerHash, &a.randomServer)
+		length := dataLength + randDataLength
+
+		if length >= 4096 {
+			a.rawTrans = true
+			src.Reset()
+			return errAuthChainLengthError
+		}
+
+		if 4+length > src.Len() {
+			break
+		}
+
+		serverHash := tools.HmacMD5(macKey, src.Bytes()[:length+2])
+		if !bytes.Equal(serverHash[:2], src.Bytes()[length+2:length+4]) {
+			a.rawTrans = true
+			src.Reset()
+			return errAuthChainChksumError
+		}
+		a.lastServerHash = serverHash
+
+		pos := 2
+		if dataLength > 0 && randDataLength > 0 {
+			pos += getRandStartPos(randDataLength, &a.randomServer)
+		}
+		wantedData := src.Bytes()[pos : pos+dataLength]
+		a.decrypter.XORKeyStream(wantedData, wantedData)
+		if a.recvID == 1 {
+			dst.Write(wantedData[2:])
+		} else {
+			dst.Write(wantedData)
+		}
+		a.recvID++
+		src.Next(length + 4)
+	}
+	return nil
+}
+
+func (a *authChainA) Encode(buf *bytes.Buffer, b []byte) error {
+	if !a.hasSentHeader {
+		dataLength := getDataLength(b)
+		a.packAuthData(buf, b[:dataLength])
+		b = b[dataLength:]
+		a.hasSentHeader = true
+	}
+	for len(b) > 2800 {
+		a.packData(buf, b[:2800])
+		b = b[2800:]
+	}
+	if len(b) > 0 {
+		a.packData(buf, b)
+	}
+	return nil
+}
+
+func (a *authChainA) DecodePacket(b []byte) ([]byte, error) {
+	if len(b) < 9 {
+		return nil, errAuthChainLengthError
+	}
+	if !bytes.Equal(tools.HmacMD5(a.userKey, b[:len(b)-1])[:1], b[len(b)-1:]) {
+		return nil, errAuthChainChksumError
+	}
+	md5Data := tools.HmacMD5(a.Key, b[len(b)-8:len(b)-1])
+
+	randDataLength := udpGetRandLength(md5Data, &a.randomServer)
+
+	key := core.Kdf(base64.StdEncoding.EncodeToString(a.userKey)+base64.StdEncoding.EncodeToString(md5Data), 16)
+	rc4Cipher, err := rc4.NewCipher(key)
+	if err != nil {
+		return nil, err
+	}
+	wantedData := b[:len(b)-8-randDataLength]
+	rc4Cipher.XORKeyStream(wantedData, wantedData)
+	return wantedData, nil
+}
+
+func (a *authChainA) EncodePacket(buf *bytes.Buffer, b []byte) error {
+	authData := pool.Get(3)
+	defer pool.Put(authData)
+	rand.Read(authData)
+
+	md5Data := tools.HmacMD5(a.Key, authData)
+
+	randDataLength := udpGetRandLength(md5Data, &a.randomClient)
+
+	key := core.Kdf(base64.StdEncoding.EncodeToString(a.userKey)+base64.StdEncoding.EncodeToString(md5Data), 16)
+	rc4Cipher, err := rc4.NewCipher(key)
+	if err != nil {
+		return err
+	}
+	rc4Cipher.XORKeyStream(b, b)
+
+	buf.Write(b)
+	tools.AppendRandBytes(buf, randDataLength)
+	buf.Write(authData)
+	binary.Write(buf, binary.LittleEndian, binary.LittleEndian.Uint32(a.userID[:])^binary.LittleEndian.Uint32(md5Data[:4]))
+	buf.Write(tools.HmacMD5(a.userKey, buf.Bytes())[:1])
+	return nil
+}
+
+func (a *authChainA) packAuthData(poolBuf *bytes.Buffer, data []byte) {
+	/*
+		dataLength := len(data)
+		12:	checkHead(4) and hmac of checkHead(8)
+		4:	uint32 LittleEndian uid (uid = userID ^ last client hash)
+		16:	encrypted data of authdata(12), uint16 LittleEndian overhead(2) and uint16 LittleEndian number zero(2)
+		4:	last server hash(4)
+		packedAuthDataLength := 12 + 4 + 16 + 4 + dataLength
+	*/
+
+	macKey := pool.Get(len(a.iv) + len(a.Key))
+	defer pool.Put(macKey)
+	copy(macKey, a.iv)
+	copy(macKey[len(a.iv):], a.Key)
+
+	// check head
+	tools.AppendRandBytes(poolBuf, 4)
+	a.lastClientHash = tools.HmacMD5(macKey, poolBuf.Bytes())
+	a.initRC4Cipher()
+	poolBuf.Write(a.lastClientHash[:8])
+	// uid
+	binary.Write(poolBuf, binary.LittleEndian, binary.LittleEndian.Uint32(a.userID[:])^binary.LittleEndian.Uint32(a.lastClientHash[8:12]))
+	// encrypted data
+	err := a.putEncryptedData(poolBuf, a.userKey, [2]int{a.Overhead, 0}, a.salt)
+	if err != nil {
+		poolBuf.Reset()
+		return
+	}
+	// last server hash
+	a.lastServerHash = tools.HmacMD5(a.userKey, poolBuf.Bytes()[12:])
+	poolBuf.Write(a.lastServerHash[:4])
+	// packed data
+	a.packData(poolBuf, data)
+}
+
+func (a *authChainA) packData(poolBuf *bytes.Buffer, data []byte) {
+	a.encrypter.XORKeyStream(data, data)
+
+	macKey := pool.Get(len(a.userKey) + 4)
+	defer pool.Put(macKey)
+	copy(macKey, a.userKey)
+	binary.LittleEndian.PutUint32(macKey[len(a.userKey):], a.packID)
+	a.packID++
+
+	length := uint16(len(data)) ^ binary.LittleEndian.Uint16(a.lastClientHash[14:16])
+
+	originalLength := poolBuf.Len()
+	binary.Write(poolBuf, binary.LittleEndian, length)
+	a.putMixedRandDataAndData(poolBuf, data)
+	a.lastClientHash = tools.HmacMD5(macKey, poolBuf.Bytes()[originalLength:])
+	poolBuf.Write(a.lastClientHash[:2])
+}
+
+func (a *authChainA) putMixedRandDataAndData(poolBuf *bytes.Buffer, data []byte) {
+	randDataLength := a.randDataLength(len(data), a.lastClientHash, &a.randomClient)
+	if len(data) == 0 {
+		tools.AppendRandBytes(poolBuf, randDataLength)
+		return
+	}
+	if randDataLength > 0 {
+		startPos := getRandStartPos(randDataLength, &a.randomClient)
+		tools.AppendRandBytes(poolBuf, startPos)
+		poolBuf.Write(data)
+		tools.AppendRandBytes(poolBuf, randDataLength-startPos)
+		return
+	}
+	poolBuf.Write(data)
+}
+
+func getRandStartPos(length int, random *tools.XorShift128Plus) int {
+	if length == 0 {
+		return 0
+	}
+	return int(int64(random.Next()%8589934609) % int64(length))
+}
+
+func (a *authChainA) getRandLength(length int, lastHash []byte, random *tools.XorShift128Plus) int {
+	if length > 1440 {
+		return 0
+	}
+	random.InitFromBinAndLength(lastHash, length)
+	if length > 1300 {
+		return int(random.Next() % 31)
+	}
+	if length > 900 {
+		return int(random.Next() % 127)
+	}
+	if length > 400 {
+		return int(random.Next() % 521)
+	}
+	return int(random.Next() % 1021)
+}
+
+func (a *authChainA) initRC4Cipher() {
+	key := core.Kdf(base64.StdEncoding.EncodeToString(a.userKey)+base64.StdEncoding.EncodeToString(a.lastClientHash), 16)
+	a.encrypter, _ = rc4.NewCipher(key)
+	a.decrypter, _ = rc4.NewCipher(key)
+}
+
+func udpGetRandLength(lastHash []byte, random *tools.XorShift128Plus) int {
+	random.InitFromBin(lastHash)
+	return int(random.Next() % 127)
+}

transport/clashssr/protocol/auth_chain_b.go

@@ -0,0 +1,97 @@
+package protocol
+
+import (
+	"net"
+	"sort"
+
+	"github.com/Dreamacro/clash/transport/ssr/tools"
+)
+
+func init() {
+	register("auth_chain_b", newAuthChainB, 4)
+}
+
+type authChainB struct {
+	*authChainA
+	dataSizeList  []int
+	dataSizeList2 []int
+}
+
+func newAuthChainB(b *Base) Protocol {
+	a := &authChainB{
+		authChainA: &authChainA{
+			Base:     b,
+			authData: &authData{},
+			userData: &userData{},
+			salt:     "auth_chain_b",
+		},
+	}
+	a.initUserData()
+	return a
+}
+
+func (a *authChainB) StreamConn(c net.Conn, iv []byte) net.Conn {
+	p := &authChainB{
+		authChainA: &authChainA{
+			Base:     a.Base,
+			authData: a.next(),
+			userData: a.userData,
+			salt:     a.salt,
+			packID:   1,
+			recvID:   1,
+		},
+	}
+	p.iv = iv
+	p.randDataLength = p.getRandLength
+	p.initDataSize()
+	return &Conn{Conn: c, Protocol: p}
+}
+
+func (a *authChainB) initDataSize() {
+	a.dataSizeList = a.dataSizeList[:0]
+	a.dataSizeList2 = a.dataSizeList2[:0]
+
+	a.randomServer.InitFromBin(a.Key)
+	length := a.randomServer.Next()%8 + 4
+	for ; length > 0; length-- {
+		a.dataSizeList = append(a.dataSizeList, int(a.randomServer.Next()%2340%2040%1440))
+	}
+	sort.Ints(a.dataSizeList)
+
+	length = a.randomServer.Next()%16 + 8
+	for ; length > 0; length-- {
+		a.dataSizeList2 = append(a.dataSizeList2, int(a.randomServer.Next()%2340%2040%1440))
+	}
+	sort.Ints(a.dataSizeList2)
+}
+
+func (a *authChainB) getRandLength(length int, lashHash []byte, random *tools.XorShift128Plus) int {
+	if length >= 1440 {
+		return 0
+	}
+	random.InitFromBinAndLength(lashHash, length)
+	pos := sort.Search(len(a.dataSizeList), func(i int) bool { return a.dataSizeList[i] >= length+a.Overhead })
+	finalPos := pos + int(random.Next()%uint64(len(a.dataSizeList)))
+	if finalPos < len(a.dataSizeList) {
+		return a.dataSizeList[finalPos] - length - a.Overhead
+	}
+
+	pos = sort.Search(len(a.dataSizeList2), func(i int) bool { return a.dataSizeList2[i] >= length+a.Overhead })
+	finalPos = pos + int(random.Next()%uint64(len(a.dataSizeList2)))
+	if finalPos < len(a.dataSizeList2) {
+		return a.dataSizeList2[finalPos] - length - a.Overhead
+	}
+	if finalPos < pos+len(a.dataSizeList2)-1 {
+		return 0
+	}
+	if length > 1300 {
+		return int(random.Next() % 31)
+	}
+	if length > 900 {
+		return int(random.Next() % 127)
+	}
+	if length > 400 {
+		return int(random.Next() % 521)
+	}
+	return int(random.Next() % 1021)
+}

transport/clashssr/protocol/auth_sha1_v4.go

@@ -0,0 +1,182 @@
+package protocol
+
+import (
+	"bytes"
+	"encoding/binary"
+	"hash/adler32"
+	"hash/crc32"
+	"math/rand"
+	"net"
+
+	"github.com/Dreamacro/clash/common/pool"
+	"github.com/Dreamacro/clash/transport/ssr/tools"
+)
+
+func init() {
+	register("auth_sha1_v4", newAuthSHA1V4, 7)
+}
+
+type authSHA1V4 struct {
+	*Base
+	*authData
+	iv            []byte
+	hasSentHeader bool
+	rawTrans      bool
+}
+
+func newAuthSHA1V4(b *Base) Protocol {
+	return &authSHA1V4{Base: b, authData: &authData{}}
+}
+
+func (a *authSHA1V4) StreamConn(c net.Conn, iv []byte) net.Conn {
+	p := &authSHA1V4{Base: a.Base, authData: a.next()}
+	p.iv = iv
+	return &Conn{Conn: c, Protocol: p}
+}
+
+func (a *authSHA1V4) PacketConn(c net.PacketConn) net.PacketConn {
+	return c
+}
+
+func (a *authSHA1V4) Decode(dst, src *bytes.Buffer) error {
+	if a.rawTrans {
+		dst.ReadFrom(src)
+		return nil
+	}
+	for src.Len() > 4 {
+		if uint16(crc32.ChecksumIEEE(src.Bytes()[:2])&0xffff) != binary.LittleEndian.Uint16(src.Bytes()[2:4]) {
+			src.Reset()
+			return errAuthSHA1V4CRC32Error
+		}
+
+		length := int(binary.BigEndian.Uint16(src.Bytes()[:2]))
+		if length >= 8192 || length < 7 {
+			a.rawTrans = true
+			src.Reset()
+			return errAuthSHA1V4LengthError
+		}
+		if length > src.Len() {
+			break
+		}
+
+		if adler32.Checksum(src.Bytes()[:length-4]) != binary.LittleEndian.Uint32(src.Bytes()[length-4:length]) {
+			a.rawTrans = true
+			src.Reset()
+			return errAuthSHA1V4Adler32Error
+		}
+
+		pos := int(src.Bytes()[4])
+		if pos < 255 {
+			pos += 4
+		} else {
+			pos = int(binary.BigEndian.Uint16(src.Bytes()[5:7])) + 4
+		}
+		dst.Write(src.Bytes()[pos : length-4])
+		src.Next(length)
+	}
+	return nil
+}
+
+func (a *authSHA1V4) Encode(buf *bytes.Buffer, b []byte) error {
+	if !a.hasSentHeader {
+		dataLength := getDataLength(b)
+
+		a.packAuthData(buf, b[:dataLength])
+		b = b[dataLength:]
+
+		a.hasSentHeader = true
+	}
+	for len(b) > 8100 {
+		a.packData(buf, b[:8100])
+		b = b[8100:]
+	}
+	if len(b) > 0 {
+		a.packData(buf, b)
+	}
+
+	return nil
+}
+
+func (a *authSHA1V4) DecodePacket(b []byte) ([]byte, error) { return b, nil }
+
+func (a *authSHA1V4) EncodePacket(buf *bytes.Buffer, b []byte) error {
+	buf.Write(b)
+	return nil
+}
+
+func (a *authSHA1V4) packData(poolBuf *bytes.Buffer, data []byte) {
+	dataLength := len(data)
+	randDataLength := a.getRandDataLength(dataLength)
+	/*
+		2:	uint16 BigEndian packedDataLength
+		2:	uint16 LittleEndian crc32Data & 0xffff
+		3:	maxRandDataLengthPrefix (min:1)
+		4:	adler32Data
+	*/
+	packedDataLength := 2 + 2 + 3 + randDataLength + dataLength + 4
+	if randDataLength < 128 {
+		packedDataLength -= 2
+	}
+
+	binary.Write(poolBuf, binary.BigEndian, uint16(packedDataLength))
+	binary.Write(poolBuf, binary.LittleEndian, uint16(crc32.ChecksumIEEE(poolBuf.Bytes()[poolBuf.Len()-2:])&0xffff))
+	a.packRandData(poolBuf, randDataLength)
+	poolBuf.Write(data)
+	binary.Write(poolBuf, binary.LittleEndian, adler32.Checksum(poolBuf.Bytes()[poolBuf.Len()-packedDataLength+4:]))
+}
+
+func (a *authSHA1V4) packAuthData(poolBuf *bytes.Buffer, data []byte) {
+	dataLength := len(data)
+	randDataLength := a.getRandDataLength(12 + dataLength)
+	/*
+		2:	uint16 BigEndian packedAuthDataLength
+		4:	uint32 LittleEndian crc32Data
+		3:	maxRandDataLengthPrefix (min: 1)
+		12:	authDataLength
+		10:	hmacSHA1DataLength
+	*/
+	packedAuthDataLength := 2 + 4 + 3 + randDataLength + 12 + dataLength + 10
+	if randDataLength < 128 {
+		packedAuthDataLength -= 2
+	}
+
+	salt := []byte("auth_sha1_v4")
+	crcData := pool.Get(len(salt) + len(a.Key) + 2)
+	defer pool.Put(crcData)
+	binary.BigEndian.PutUint16(crcData, uint16(packedAuthDataLength))
+	copy(crcData[2:], salt)
+	copy(crcData[2+len(salt):], a.Key)
+
+	key := pool.Get(len(a.iv) + len(a.Key))
+	defer pool.Put(key)
+	copy(key, a.iv)
+	copy(key[len(a.iv):], a.Key)
+
+	poolBuf.Write(crcData[:2])
+	binary.Write(poolBuf, binary.LittleEndian, crc32.ChecksumIEEE(crcData))
+	a.packRandData(poolBuf, randDataLength)
+	a.putAuthData(poolBuf)
+	poolBuf.Write(data)
+	poolBuf.Write(tools.HmacSHA1(key, poolBuf.Bytes()[poolBuf.Len()-packedAuthDataLength+10:])[:10])
+}
+
+func (a *authSHA1V4) packRandData(poolBuf *bytes.Buffer, size int) {
+	if size < 128 {
+		poolBuf.WriteByte(byte(size + 1))
+		tools.AppendRandBytes(poolBuf, size)
+		return
+	}
+	poolBuf.WriteByte(255)
+	binary.Write(poolBuf, binary.BigEndian, uint16(size+3))
+	tools.AppendRandBytes(poolBuf, size)
+}
+
+func (a *authSHA1V4) getRandDataLength(size int) int {
+	if size > 1200 {
+		return 0
+	}
+	if size > 400 {
+		return rand.Intn(256)
+	}
+	return rand.Intn(512)
+}

transport/clashssr/protocol/base.go

@@ -0,0 +1,75 @@
+package protocol
+
+import (
+	"bytes"
+	"crypto/aes"
+	"crypto/cipher"
+	"encoding/base64"
+	"encoding/binary"
+	"math/rand"
+	"sync"
+	"time"
+
+	"github.com/Dreamacro/clash/common/pool"
+	"github.com/Dreamacro/clash/transport/shadowsocks/core"
+)
+
+type Base struct {
+	Key      []byte
+	Overhead int
+	Param    string
+}
+
+type userData struct {
+	userKey []byte
+	userID  [4]byte
+}
+
+type authData struct {
+	clientID     [4]byte
+	connectionID uint32
+	mutex        sync.Mutex
+}
+
+func (a *authData) next() *authData {
+	r := &authData{}
+	a.mutex.Lock()
+	defer a.mutex.Unlock()
+	if a.connectionID > 0xff000000 || a.connectionID == 0 {
+		rand.Read(a.clientID[:])
+		a.connectionID = rand.Uint32() & 0xffffff
+	}
+	a.connectionID++
+	copy(r.clientID[:], a.clientID[:])
+	r.connectionID = a.connectionID
+	return r
+}
+
+func (a *authData) putAuthData(buf *bytes.Buffer) {
+	binary.Write(buf, binary.LittleEndian, uint32(time.Now().Unix()))
+	buf.Write(a.clientID[:])
+	binary.Write(buf, binary.LittleEndian, a.connectionID)
+}
+
+func (a *authData) putEncryptedData(b *bytes.Buffer, userKey []byte, paddings [2]int, salt string) error {
+	encrypt := pool.Get(16)
+	defer pool.Put(encrypt)
+	binary.LittleEndian.PutUint32(encrypt, uint32(time.Now().Unix()))
+	copy(encrypt[4:], a.clientID[:])
+	binary.LittleEndian.PutUint32(encrypt[8:], a.connectionID)
+	binary.LittleEndian.PutUint16(encrypt[12:], uint16(paddings[0]))
+	binary.LittleEndian.PutUint16(encrypt[14:], uint16(paddings[1]))
+
+	cipherKey := core.Kdf(base64.StdEncoding.EncodeToString(userKey)+salt, 16)
+	block, err := aes.NewCipher(cipherKey)
+	if err != nil {
+		return err
+	}
+	iv := bytes.Repeat([]byte{0}, 16)
+	cbcCipher := cipher.NewCBCEncrypter(block, iv)
+
+	cbcCipher.CryptBlocks(encrypt, encrypt)
+
+	b.Write(encrypt)
+	return nil
+}

transport/clashssr/protocol/origin.go

@@ -0,0 +1,33 @@
+package protocol
+
+import (
+	"bytes"
+	"net"
+)
+
+type origin struct{}
+
+func init() { register("origin", newOrigin, 0) }
+
+func newOrigin(b *Base) Protocol { return &origin{} }
+
+func (o *origin) StreamConn(c net.Conn, iv []byte) net.Conn { return c }
+
+func (o *origin) PacketConn(c net.PacketConn) net.PacketConn { return c }
+
+func (o *origin) Decode(dst, src *bytes.Buffer) error {
+	dst.ReadFrom(src)
+	return nil
+}
+
+func (o *origin) Encode(buf *bytes.Buffer, b []byte) error {
+	buf.Write(b)
+	return nil
+}
+
+func (o *origin) DecodePacket(b []byte) ([]byte, error) { return b, nil }
+
+func (o *origin) EncodePacket(buf *bytes.Buffer, b []byte) error {
+	buf.Write(b)
+	return nil
+}

transport/clashssr/protocol/packet.go

@@ -0,0 +1,36 @@
+package protocol
+
+import (
+	"net"
+
+	"github.com/Dreamacro/clash/common/pool"
+)
+
+type PacketConn struct {
+	net.PacketConn
+	Protocol
+}
+
+func (c *PacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
+	buf := pool.GetBuffer()
+	defer pool.PutBuffer(buf)
+	err := c.EncodePacket(buf, b)
+	if err != nil {
+		return 0, err
+	}
+	_, err = c.PacketConn.WriteTo(buf.Bytes(), addr)
+	return len(b), err
+}
+
+func (c *PacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
+	n, addr, err := c.PacketConn.ReadFrom(b)
+	if err != nil {
+		return n, addr, err
+	}
+	decoded, err := c.DecodePacket(b[:n])
+	if err != nil {
+		return n, addr, err
+	}
+	copy(b, decoded)
+	return len(decoded), addr, nil
+}

transport/clashssr/protocol/protocol.go

@@ -0,0 +1,76 @@
+package protocol
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"math/rand"
+	"net"
+)
+
+var (
+	errAuthSHA1V4CRC32Error   = errors.New("auth_sha1_v4 decode data wrong crc32")
+	errAuthSHA1V4LengthError  = errors.New("auth_sha1_v4 decode data wrong length")
+	errAuthSHA1V4Adler32Error = errors.New("auth_sha1_v4 decode data wrong adler32")
+	errAuthAES128MACError     = errors.New("auth_aes128 decode data wrong mac")
+	errAuthAES128LengthError  = errors.New("auth_aes128 decode data wrong length")
+	errAuthAES128ChksumError  = errors.New("auth_aes128 decode data wrong checksum")
+	errAuthChainLengthError   = errors.New("auth_chain decode data wrong length")
+	errAuthChainChksumError   = errors.New("auth_chain decode data wrong checksum")
+)
+
+type Protocol interface {
+	StreamConn(net.Conn, []byte) net.Conn
+	PacketConn(net.PacketConn) net.PacketConn
+	Decode(dst, src *bytes.Buffer) error
+	Encode(buf *bytes.Buffer, b []byte) error
+	DecodePacket([]byte) ([]byte, error)
+	EncodePacket(buf *bytes.Buffer, b []byte) error
+}
+
+type protocolCreator func(b *Base) Protocol
+
+var protocolList = make(map[string]struct {
+	overhead int
+	new      protocolCreator
+})
+
+func register(name string, c protocolCreator, o int) {
+	protocolList[name] = struct {
+		overhead int
+		new      protocolCreator
+	}{overhead: o, new: c}
+}
+
+func PickProtocol(name string, b *Base) (Protocol, error) {
+	if choice, ok := protocolList[name]; ok {
+		b.Overhead += choice.overhead
+		return choice.new(b), nil
+	}
+	return nil, fmt.Errorf("protocol %s not supported", name)
+}
+
+func getHeadSize(b []byte, defaultValue int) int {
+	if len(b) < 2 {
+		return defaultValue
+	}
+	headType := b[0] & 7
+	switch headType {
+	case 1:
+		return 7
+	case 4:
+		return 19
+	case 3:
+		return 4 + int(b[1])
+	}
+	return defaultValue
+}
+
+func getDataLength(b []byte) int {
+	bLength := len(b)
+	dataLength := getHeadSize(b, 30) + rand.Intn(32)
+	if bLength < dataLength {
+		return bLength
+	}
+	return dataLength
+}

transport/clashssr/protocol/stream.go

@@ -0,0 +1,50 @@
+package protocol
+
+import (
+	"bytes"
+	"net"
+
+	"github.com/Dreamacro/clash/common/pool"
+)
+
+type Conn struct {
+	net.Conn
+	Protocol
+	decoded      bytes.Buffer
+	underDecoded bytes.Buffer
+}
+
+func (c *Conn) Read(b []byte) (int, error) {
+	if c.decoded.Len() > 0 {
+		return c.decoded.Read(b)
+	}
+
+	buf := pool.Get(pool.RelayBufferSize)
+	defer pool.Put(buf)
+	n, err := c.Conn.Read(buf)
+	if err != nil {
+		return 0, err
+	}
+	c.underDecoded.Write(buf[:n])
+	err = c.Decode(&c.decoded, &c.underDecoded)
+	if err != nil {
+		return 0, err
+	}
+	n, _ = c.decoded.Read(b)
+	return n, nil
+}
+
+func (c *Conn) Write(b []byte) (int, error) {
+	bLength := len(b)
+	buf := pool.GetBuffer()
+	defer pool.PutBuffer(buf)
+	err := c.Encode(buf, b)
+	if err != nil {
+		return 0, err
+	}
+	_, err = c.Conn.Write(buf.Bytes())
+	if err != nil {
+		return 0, err
+	}
+	return bLength, nil
+}

transport/dhcp/server.go

@@ -6,7 +6,6 @@ import (
 	"net/netip"
 	"net/url"
 	"os"
-	"runtime"
 	"strings"
 	"sync"
 	"time"
@@ -177,11 +176,7 @@ func (t *Transport) fetchServers0(ctx context.Context, iface *net.Interface) err
 	var listener net.ListenConfig
 	listener.Control = control.Append(listener.Control, control.BindToInterface(t.router.InterfaceFinder(), iface.Name, iface.Index))
 	listener.Control = control.Append(listener.Control, control.ReuseAddr())
-	listenAddr := "0.0.0.0:68"
-	if runtime.GOOS == "linux" || runtime.GOOS == "android" {
-		listenAddr = "255.255.255.255:68"
-	}
-	packetConn, err := listener.ListenPacket(t.ctx, "udp4", listenAddr)
+	packetConn, err := listener.ListenPacket(t.ctx, "udp4", "0.0.0.0:68")
 	if err != nil {
 		return err
 	}

transport/hysteria/frag.go

@@ -0,0 +1,65 @@
+package hysteria
+
+func FragUDPMessage(m UDPMessage, maxSize int) []UDPMessage {
+	if m.Size() <= maxSize {
+		return []UDPMessage{m}
+	}
+	fullPayload := m.Data
+	maxPayloadSize := maxSize - m.HeaderSize()
+	off := 0
+	fragID := uint8(0)
+	fragCount := uint8((len(fullPayload) + maxPayloadSize - 1) / maxPayloadSize) // round up
+	var frags []UDPMessage
+	for off < len(fullPayload) {
+		payloadSize := len(fullPayload) - off
+		if payloadSize > maxPayloadSize {
+			payloadSize = maxPayloadSize
+		}
+		frag := m
+		frag.FragID = fragID
+		frag.FragCount = fragCount
+		frag.Data = fullPayload[off : off+payloadSize]
+		frags = append(frags, frag)
+		off += payloadSize
+		fragID++
+	}
+	return frags
+}
+
+type Defragger struct {
+	msgID uint16
+	frags []*UDPMessage
+	count uint8
+}
+
+func (d *Defragger) Feed(m UDPMessage) *UDPMessage {
+	if m.FragCount <= 1 {
+		return &m
+	}
+	if m.FragID >= m.FragCount {
+		// wtf is this?
+		return nil
+	}
+	if m.MsgID != d.msgID {
+		// new message, clear previous state
+		d.msgID = m.MsgID
+		d.frags = make([]*UDPMessage, m.FragCount)
+		d.count = 1
+		d.frags[m.FragID] = &m
+	} else if d.frags[m.FragID] == nil {
+		d.frags[m.FragID] = &m
+		d.count++
+		if int(d.count) == len(d.frags) {
+			// all fragments received, assemble
+			var data []byte
+			for _, frag := range d.frags {
+				data = append(data, frag.Data...)
+			}
+			m.Data = data
+			m.FragID = 0
+			m.FragCount = 1
+			return &m
+		}
+	}
+	return nil
+}

transport/hysteria/protocol.go

@@ -0,0 +1,539 @@
+package hysteria
+
+import (
+	"bytes"
+	"encoding/binary"
+	"io"
+	"math/rand"
+	"net"
+	"os"
+	"time"
+
+	"github.com/sagernet/quic-go"
+	"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"
+)
+
+const (
+	MbpsToBps                      = 125000
+	MinSpeedBPS                    = 16384
+	DefaultStreamReceiveWindow     = 15728640 // 15 MB/s
+	DefaultConnectionReceiveWindow = 67108864 // 64 MB/s
+	DefaultMaxIncomingStreams      = 1024
+	DefaultALPN                    = "hysteria"
+	KeepAlivePeriod                = 10 * time.Second
+)
+
+const Version = 3
+
+type ClientHello struct {
+	SendBPS uint64
+	RecvBPS uint64
+	Auth    []byte
+}
+
+func WriteClientHello(stream io.Writer, hello ClientHello) error {
+	var requestLen int
+	requestLen += 1 // version
+	requestLen += 8 // sendBPS
+	requestLen += 8 // recvBPS
+	requestLen += 2 // auth len
+	requestLen += len(hello.Auth)
+	request := buf.NewSize(requestLen)
+	defer request.Release()
+	common.Must(
+		request.WriteByte(Version),
+		binary.Write(request, binary.BigEndian, hello.SendBPS),
+		binary.Write(request, binary.BigEndian, hello.RecvBPS),
+		binary.Write(request, binary.BigEndian, uint16(len(hello.Auth))),
+		common.Error(request.Write(hello.Auth)),
+	)
+	return common.Error(stream.Write(request.Bytes()))
+}
+
+func ReadClientHello(reader io.Reader) (*ClientHello, error) {
+	var version uint8
+	err := binary.Read(reader, binary.BigEndian, &version)
+	if err != nil {
+		return nil, err
+	}
+	if version != Version {
+		return nil, E.New("unsupported client version: ", version)
+	}
+	var clientHello ClientHello
+	err = binary.Read(reader, binary.BigEndian, &clientHello.SendBPS)
+	if err != nil {
+		return nil, err
+	}
+	err = binary.Read(reader, binary.BigEndian, &clientHello.RecvBPS)
+	if err != nil {
+		return nil, err
+	}
+	var authLen uint16
+	err = binary.Read(reader, binary.BigEndian, &authLen)
+	if err != nil {
+		return nil, err
+	}
+	clientHello.Auth = make([]byte, authLen)
+	_, err = io.ReadFull(reader, clientHello.Auth)
+	if err != nil {
+		return nil, err
+	}
+	return &clientHello, nil
+}
+
+type ServerHello struct {
+	OK      bool
+	SendBPS uint64
+	RecvBPS uint64
+	Message string
+}
+
+func ReadServerHello(stream io.Reader) (*ServerHello, error) {
+	var responseLen int
+	responseLen += 1 // ok
+	responseLen += 8 // sendBPS
+	responseLen += 8 // recvBPS
+	responseLen += 2 // message len
+	response := buf.NewSize(responseLen)
+	defer response.Release()
+	_, err := response.ReadFullFrom(stream, responseLen)
+	if err != nil {
+		return nil, err
+	}
+	var serverHello ServerHello
+	serverHello.OK = response.Byte(0) == 1
+	serverHello.SendBPS = binary.BigEndian.Uint64(response.Range(1, 9))
+	serverHello.RecvBPS = binary.BigEndian.Uint64(response.Range(9, 17))
+	messageLen := binary.BigEndian.Uint16(response.Range(17, 19))
+	if messageLen == 0 {
+		return &serverHello, nil
+	}
+	message := make([]byte, messageLen)
+	_, err = io.ReadFull(stream, message)
+	if err != nil {
+		return nil, err
+	}
+	serverHello.Message = string(message)
+	return &serverHello, nil
+}
+
+func WriteServerHello(stream io.Writer, hello ServerHello) error {
+	var responseLen int
+	responseLen += 1 // ok
+	responseLen += 8 // sendBPS
+	responseLen += 8 // recvBPS
+	responseLen += 2 // message len
+	responseLen += len(hello.Message)
+	response := buf.NewSize(responseLen)
+	defer response.Release()
+	if hello.OK {
+		common.Must(response.WriteByte(1))
+	} else {
+		common.Must(response.WriteByte(0))
+	}
+	common.Must(
+		binary.Write(response, binary.BigEndian, hello.SendBPS),
+		binary.Write(response, binary.BigEndian, hello.RecvBPS),
+		binary.Write(response, binary.BigEndian, uint16(len(hello.Message))),
+		common.Error(response.WriteString(hello.Message)),
+	)
+	return common.Error(stream.Write(response.Bytes()))
+}
+
+type ClientRequest struct {
+	UDP  bool
+	Host string
+	Port uint16
+}
+
+func ReadClientRequest(stream io.Reader) (*ClientRequest, error) {
+	var clientRequest ClientRequest
+	err := binary.Read(stream, binary.BigEndian, &clientRequest.UDP)
+	if err != nil {
+		return nil, err
+	}
+	var hostLen uint16
+	err = binary.Read(stream, binary.BigEndian, &hostLen)
+	if err != nil {
+		return nil, err
+	}
+	host := make([]byte, hostLen)
+	_, err = io.ReadFull(stream, host)
+	if err != nil {
+		return nil, err
+	}
+	clientRequest.Host = string(host)
+	err = binary.Read(stream, binary.BigEndian, &clientRequest.Port)
+	if err != nil {
+		return nil, err
+	}
+	return &clientRequest, nil
+}
+
+func WriteClientRequest(stream io.Writer, request ClientRequest) error {
+	var requestLen int
+	requestLen += 1 // udp
+	requestLen += 2 // host len
+	requestLen += len(request.Host)
+	requestLen += 2 // port
+	buffer := buf.NewSize(requestLen)
+	defer buffer.Release()
+	if request.UDP {
+		common.Must(buffer.WriteByte(1))
+	} else {
+		common.Must(buffer.WriteByte(0))
+	}
+	common.Must(
+		binary.Write(buffer, binary.BigEndian, uint16(len(request.Host))),
+		common.Error(buffer.WriteString(request.Host)),
+		binary.Write(buffer, binary.BigEndian, request.Port),
+	)
+	return common.Error(stream.Write(buffer.Bytes()))
+}
+
+type ServerResponse struct {
+	OK           bool
+	UDPSessionID uint32
+	Message      string
+}
+
+func ReadServerResponse(stream io.Reader) (*ServerResponse, error) {
+	var responseLen int
+	responseLen += 1 // ok
+	responseLen += 4 // udp session id
+	responseLen += 2 // message len
+	response := buf.NewSize(responseLen)
+	defer response.Release()
+	_, err := response.ReadFullFrom(stream, responseLen)
+	if err != nil {
+		return nil, err
+	}
+	var serverResponse ServerResponse
+	serverResponse.OK = response.Byte(0) == 1
+	serverResponse.UDPSessionID = binary.BigEndian.Uint32(response.Range(1, 5))
+	messageLen := binary.BigEndian.Uint16(response.Range(5, 7))
+	if messageLen == 0 {
+		return &serverResponse, nil
+	}
+	message := make([]byte, messageLen)
+	_, err = io.ReadFull(stream, message)
+	if err != nil {
+		return nil, err
+	}
+	serverResponse.Message = string(message)
+	return &serverResponse, nil
+}
+
+func WriteServerResponse(stream io.Writer, response ServerResponse) error {
+	var responseLen int
+	responseLen += 1 // ok
+	responseLen += 4 // udp session id
+	responseLen += 2 // message len
+	responseLen += len(response.Message)
+	buffer := buf.NewSize(responseLen)
+	defer buffer.Release()
+	if response.OK {
+		common.Must(buffer.WriteByte(1))
+	} else {
+		common.Must(buffer.WriteByte(0))
+	}
+	common.Must(
+		binary.Write(buffer, binary.BigEndian, response.UDPSessionID),
+		binary.Write(buffer, binary.BigEndian, uint16(len(response.Message))),
+		common.Error(buffer.WriteString(response.Message)),
+	)
+	return common.Error(stream.Write(buffer.Bytes()))
+}
+
+type UDPMessage struct {
+	SessionID uint32
+	Host      string
+	Port      uint16
+	MsgID     uint16 // doesn't matter when not fragmented, but must not be 0 when fragmented
+	FragID    uint8  // doesn't matter when not fragmented, starts at 0 when fragmented
+	FragCount uint8  // must be 1 when not fragmented
+	Data      []byte
+}
+
+func (m UDPMessage) HeaderSize() int {
+	return 4 + 2 + len(m.Host) + 2 + 2 + 1 + 1 + 2
+}
+
+func (m UDPMessage) Size() int {
+	return m.HeaderSize() + len(m.Data)
+}
+
+func ParseUDPMessage(packet []byte) (message UDPMessage, err error) {
+	reader := bytes.NewReader(packet)
+	err = binary.Read(reader, binary.BigEndian, &message.SessionID)
+	if err != nil {
+		return
+	}
+	var hostLen uint16
+	err = binary.Read(reader, binary.BigEndian, &hostLen)
+	if err != nil {
+		return
+	}
+	_, err = reader.Seek(int64(hostLen), io.SeekCurrent)
+	if err != nil {
+		return
+	}
+	if 6+int(hostLen) > len(packet) {
+		err = E.New("invalid host length")
+		return
+	}
+	message.Host = string(packet[6 : 6+hostLen])
+	err = binary.Read(reader, binary.BigEndian, &message.Port)
+	if err != nil {
+		return
+	}
+	err = binary.Read(reader, binary.BigEndian, &message.MsgID)
+	if err != nil {
+		return
+	}
+	err = binary.Read(reader, binary.BigEndian, &message.FragID)
+	if err != nil {
+		return
+	}
+	err = binary.Read(reader, binary.BigEndian, &message.FragCount)
+	if err != nil {
+		return
+	}
+	var dataLen uint16
+	err = binary.Read(reader, binary.BigEndian, &dataLen)
+	if err != nil {
+		return
+	}
+	if reader.Len() != int(dataLen) {
+		err = E.New("invalid data length")
+	}
+	dataOffset := int(reader.Size()) - reader.Len()
+	message.Data = packet[dataOffset:]
+	return
+}
+
+func WriteUDPMessage(conn quic.Connection, message UDPMessage) error {
+	var messageLen int
+	messageLen += 4 // session id
+	messageLen += 2 // host len
+	messageLen += len(message.Host)
+	messageLen += 2 // port
+	messageLen += 2 // msg id
+	messageLen += 1 // frag id
+	messageLen += 1 // frag count
+	messageLen += 2 // data len
+	messageLen += len(message.Data)
+	buffer := buf.NewSize(messageLen)
+	defer buffer.Release()
+	err := writeUDPMessage(conn, message, buffer)
+	if errSize, ok := err.(quic.ErrMessageTooLarge); ok {
+		// need to frag
+		message.MsgID = uint16(rand.Intn(0xFFFF)) + 1 // msgID must be > 0 when fragCount > 1
+		fragMsgs := FragUDPMessage(message, int(errSize))
+		for _, fragMsg := range fragMsgs {
+			buffer.FullReset()
+			err = writeUDPMessage(conn, fragMsg, buffer)
+			if err != nil {
+				return err
+			}
+		}
+		return nil
+	}
+	return err
+}
+
+func writeUDPMessage(conn quic.Connection, message UDPMessage, buffer *buf.Buffer) error {
+	common.Must(
+		binary.Write(buffer, binary.BigEndian, message.SessionID),
+		binary.Write(buffer, binary.BigEndian, uint16(len(message.Host))),
+		common.Error(buffer.WriteString(message.Host)),
+		binary.Write(buffer, binary.BigEndian, message.Port),
+		binary.Write(buffer, binary.BigEndian, message.MsgID),
+		binary.Write(buffer, binary.BigEndian, message.FragID),
+		binary.Write(buffer, binary.BigEndian, message.FragCount),
+		binary.Write(buffer, binary.BigEndian, uint16(len(message.Data))),
+		common.Error(buffer.Write(message.Data)),
+	)
+	return conn.SendMessage(buffer.Bytes())
+}
+
+var _ net.Conn = (*Conn)(nil)
+
+type Conn struct {
+	quic.Stream
+	destination      M.Socksaddr
+	needReadResponse bool
+}
+
+func NewConn(stream quic.Stream, destination M.Socksaddr, isClient bool) *Conn {
+	return &Conn{
+		Stream:           stream,
+		destination:      destination,
+		needReadResponse: isClient,
+	}
+}
+
+func (c *Conn) Read(p []byte) (n int, err error) {
+	if c.needReadResponse {
+		var response *ServerResponse
+		response, err = ReadServerResponse(c.Stream)
+		if err != nil {
+			c.Close()
+			return
+		}
+		if !response.OK {
+			c.Close()
+			return 0, E.New("remote error: ", response.Message)
+		}
+		c.needReadResponse = false
+	}
+	return c.Stream.Read(p)
+}
+
+func (c *Conn) LocalAddr() net.Addr {
+	return M.Socksaddr{}
+}
+
+func (c *Conn) RemoteAddr() net.Addr {
+	return c.destination.TCPAddr()
+}
+
+func (c *Conn) ReaderReplaceable() bool {
+	return !c.needReadResponse
+}
+
+func (c *Conn) WriterReplaceable() bool {
+	return true
+}
+
+func (c *Conn) Upstream() any {
+	return c.Stream
+}
+
+type PacketConn struct {
+	session     quic.Connection
+	stream      quic.Stream
+	sessionId   uint32
+	destination M.Socksaddr
+	msgCh       <-chan *UDPMessage
+	closer      io.Closer
+}
+
+func NewPacketConn(session quic.Connection, stream quic.Stream, sessionId uint32, destination M.Socksaddr, msgCh <-chan *UDPMessage, closer io.Closer) *PacketConn {
+	return &PacketConn{
+		session:     session,
+		stream:      stream,
+		sessionId:   sessionId,
+		destination: destination,
+		msgCh:       msgCh,
+		closer:      closer,
+	}
+}
+
+func (c *PacketConn) Hold() {
+	// Hold the stream until it's closed
+	buf := make([]byte, 1024)
+	for {
+		_, err := c.stream.Read(buf)
+		if err != nil {
+			break
+		}
+	}
+	_ = c.Close()
+}
+
+func (c *PacketConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, err error) {
+	msg := <-c.msgCh
+	if msg == nil {
+		err = net.ErrClosed
+		return
+	}
+	err = common.Error(buffer.Write(msg.Data))
+	destination = M.ParseSocksaddrHostPort(msg.Host, msg.Port).Unwrap()
+	return
+}
+
+func (c *PacketConn) ReadPacketThreadSafe() (buffer *buf.Buffer, destination M.Socksaddr, err error) {
+	msg := <-c.msgCh
+	if msg == nil {
+		err = net.ErrClosed
+		return
+	}
+	buffer = buf.As(msg.Data)
+	destination = M.ParseSocksaddrHostPort(msg.Host, msg.Port).Unwrap()
+	return
+}
+
+func (c *PacketConn) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
+	return WriteUDPMessage(c.session, UDPMessage{
+		SessionID: c.sessionId,
+		Host:      destination.AddrString(),
+		Port:      destination.Port,
+		FragCount: 1,
+		Data:      buffer.Bytes(),
+	})
+}
+
+func (c *PacketConn) ReadFrom(p []byte) (n int, addr net.Addr, err error) {
+	msg := <-c.msgCh
+	if msg == nil {
+		err = net.ErrClosed
+		return
+	}
+	n = copy(p, msg.Data)
+	destination := M.ParseSocksaddrHostPort(msg.Host, msg.Port)
+	if destination.IsFqdn() {
+		addr = destination
+	} else {
+		addr = destination.UDPAddr()
+	}
+	return
+}
+
+func (c *PacketConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
+	err = c.WritePacket(buf.As(p), M.SocksaddrFromNet(addr))
+	if err == nil {
+		n = len(p)
+	}
+	return
+}
+
+func (c *PacketConn) LocalAddr() net.Addr {
+	return M.Socksaddr{}
+}
+
+func (c *PacketConn) RemoteAddr() net.Addr {
+	return c.destination.UDPAddr()
+}
+
+func (c *PacketConn) SetDeadline(t time.Time) error {
+	return os.ErrInvalid
+}
+
+func (c *PacketConn) SetReadDeadline(t time.Time) error {
+	return os.ErrInvalid
+}
+
+func (c *PacketConn) SetWriteDeadline(t time.Time) error {
+	return os.ErrInvalid
+}
+
+func (c *PacketConn) NeedAdditionalReadDeadline() bool {
+	return true
+}
+
+func (c *PacketConn) Read(b []byte) (n int, err error) {
+	n, _, err = c.ReadFrom(b)
+	return
+}
+
+func (c *PacketConn) Write(b []byte) (n int, err error) {
+	return c.WriteTo(b, c.destination)
+}
+
+func (c *PacketConn) Close() error {
+	return common.Close(c.stream, c.closer)
+}

transport/hysteria/speed.go

@@ -0,0 +1,36 @@
+package hysteria
+
+import (
+	"regexp"
+	"strconv"
+)
+
+func StringToBps(s string) uint64 {
+	if s == "" {
+		return 0
+	}
+	m := regexp.MustCompile(`^(\d+)\s*([KMGT]?)([Bb])ps$`).FindStringSubmatch(s)
+	if m == nil {
+		return 0
+	}
+	var n uint64
+	switch m[2] {
+	case "K":
+		n = 1 << 10
+	case "M":
+		n = 1 << 20
+	case "G":
+		n = 1 << 30
+	case "T":
+		n = 1 << 40
+	default:
+		n = 1
+	}
+	v, _ := strconv.ParseUint(m[1], 10, 64)
+	n = v * n
+	if m[3] == "b" {
+		// Bits, need to convert to bytes
+		n = n >> 3
+	}
+	return n
+}

transport/hysteria/wrap.go

@@ -0,0 +1,68 @@
+package hysteria
+
+import (
+	"net"
+	"os"
+	"syscall"
+
+	"github.com/sagernet/quic-go"
+	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/baderror"
+)
+
+type PacketConnWrapper struct {
+	net.PacketConn
+}
+
+func (c *PacketConnWrapper) SetReadBuffer(bytes int) error {
+	return common.MustCast[*net.UDPConn](c.PacketConn).SetReadBuffer(bytes)
+}
+
+func (c *PacketConnWrapper) SetWriteBuffer(bytes int) error {
+	return common.MustCast[*net.UDPConn](c.PacketConn).SetWriteBuffer(bytes)
+}
+
+func (c *PacketConnWrapper) SyscallConn() (syscall.RawConn, error) {
+	return common.MustCast[*net.UDPConn](c.PacketConn).SyscallConn()
+}
+
+func (c *PacketConnWrapper) File() (f *os.File, err error) {
+	return common.MustCast[*net.UDPConn](c.PacketConn).File()
+}
+
+func (c *PacketConnWrapper) Upstream() any {
+	return c.PacketConn
+}
+
+type StreamWrapper struct {
+	Conn quic.Connection
+	quic.Stream
+}
+
+func (s *StreamWrapper) Read(p []byte) (n int, err error) {
+	n, err = s.Stream.Read(p)
+	return n, baderror.WrapQUIC(err)
+}
+
+func (s *StreamWrapper) Write(p []byte) (n int, err error) {
+	n, err = s.Stream.Write(p)
+	return n, baderror.WrapQUIC(err)
+}
+
+func (s *StreamWrapper) LocalAddr() net.Addr {
+	return s.Conn.LocalAddr()
+}
+
+func (s *StreamWrapper) RemoteAddr() net.Addr {
+	return s.Conn.RemoteAddr()
+}
+
+func (s *StreamWrapper) Upstream() any {
+	return s.Stream
+}
+
+func (s *StreamWrapper) Close() error {
+	s.CancelRead(0)
+	s.Stream.Close()
+	return nil
+}