save

.github/workflows/build.yml

@@ -155,7 +155,7 @@ jobs:
         uses: goreleaser/goreleaser-action@v6
         with:
           distribution: goreleaser-pro
-          version: '~> v2'
+          version: 2.5.1
           install-only: true
       - name: Extract signing key
         run: |-
@@ -551,7 +551,7 @@ jobs:
         uses: goreleaser/goreleaser-action@v6
         with:
           distribution: goreleaser-pro
-          version: '~> v2'
+          version: 2.5.1
           install-only: true
       - name: Cache ghr
         uses: actions/cache@v4

.github/workflows/linux.yml

@@ -28,7 +28,7 @@ jobs:
         uses: goreleaser/goreleaser-action@v6
         with:
           distribution: goreleaser-pro
-          version: '~> v2'
+          version: latest
           args: release -f .goreleaser.fury.yaml --clean
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.golangci.yml

@@ -27,6 +27,7 @@ run:
     - with_quic
     - with_dhcp
     - with_wireguard
+    - with_ech
     - with_utls
     - with_reality_server
     - with_acme

.goreleaser.fury.yaml

@@ -14,6 +14,7 @@ builds:
       - with_quic
       - with_dhcp
       - with_wireguard
+      - with_ech
       - with_utls
       - with_reality_server
       - with_acme

.goreleaser.yaml

@@ -16,6 +16,7 @@ builds:
       - with_quic
       - with_dhcp
       - with_wireguard
+      - with_ech
       - with_utls
       - with_reality_server
       - with_acme
@@ -23,7 +24,6 @@ builds:
       - with_tailscale
     env:
       - CGO_ENABLED=0
-      - GOTOOLCHAIN=local
     targets:
       - linux_386
       - linux_amd64_v1
@@ -62,7 +62,6 @@ builds:
     <<: *template
     env:
       - CGO_ENABLED=1
-      - GOTOOLCHAIN=local
     overrides:
       - goos: android
         goarch: arm
@@ -97,12 +96,10 @@ archives:
     builds:
       - main
       - android
-    formats:
-      - tar.gz
+    format: tar.gz
     format_overrides:
       - goos: windows
-        formats:
-          - zip
+        format: zip
     wrap_in_directory: true
     files:
       - LICENSE

Dockerfile

@@ -13,7 +13,7 @@ RUN set -ex \
     && export COMMIT=$(git rev-parse --short HEAD) \
     && export VERSION=$(go run ./cmd/internal/read_tag) \
     && go build -v -trimpath -tags \
-        "with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_reality_server,with_acme,with_clash_api" \
+        "with_gvisor,with_quic,with_dhcp,with_wireguard,with_ech,with_utls,with_reality_server,with_acme,with_clash_api" \
         -o /go/bin/sing-box \
         -ldflags "-X \"github.com/sagernet/sing-box/constant.Version=$VERSION\" -s -w -buildid=" \
         ./cmd/sing-box

Makefile

@@ -1,9 +1,10 @@
 NAME = sing-box
 COMMIT = $(shell git rev-parse --short HEAD)
 TAGS_GO120 = with_gvisor,with_dhcp,with_wireguard,with_reality_server,with_clash_api,with_quic,with_utls
+TAGS_GO121 = with_ech
 TAGS_GO123 = with_tailscale
-TAGS ?= $(TAGS_GO120),$(TAGS_GO123)
-TAGS_TEST ?= with_gvisor,with_quic,with_wireguard,with_grpc,with_utls,with_reality_server
+TAGS ?= $(TAGS_GO118),$(TAGS_GO120),$(TAGS_GO121),$(TAGS_GO123)
+TAGS_TEST ?= with_gvisor,with_quic,with_wireguard,with_grpc,with_ech,with_utls,with_reality_server
 
 GOHOSTOS = $(shell go env GOHOSTOS)
 GOHOSTARCH = $(shell go env GOHOSTARCH)
@@ -17,17 +18,14 @@ PREFIX ?= $(shell go env GOPATH)
 .PHONY: test release docs build
 
 build:
-	export GOTOOLCHAIN=local && \
 	go build $(MAIN_PARAMS) $(MAIN)
 
 ci_build_go120:
-	export GOTOOLCHAIN=local && \
-	go build $(PARAMS) $(MAIN) && \
+	go build $(PARAMS) $(MAIN)
 	go build $(PARAMS) -tags "$(TAGS_GO120)" $(MAIN)
 
 ci_build:
-	export GOTOOLCHAIN=local && \
-	go build $(PARAMS) $(MAIN) && \
+	go build $(PARAMS) $(MAIN)
 	go build $(MAIN_PARAMS) $(MAIN)
 
 generate_completions:

adapter/inbound.go

@@ -53,11 +53,10 @@ type InboundContext struct {
 
 	// sniffer
 
-	Protocol         string
-	Domain           string
-	Client           string
-	SniffContext     any
-	PacketSniffError error
+	Protocol     string
+	Domain       string
+	Client       string
+	SniffContext any
 
 	// cache
 

adapter/network.go

@@ -25,7 +25,6 @@ type NetworkManager interface {
 	PackageManager() tun.PackageManager
 	WIFIState() WIFIState
 	ResetNetwork()
-	UpdateWIFIState()
 }
 
 type NetworkOptions struct {

adapter/outbound.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing-tun"
 	N "github.com/sagernet/sing/common/network"
 )
 
@@ -18,6 +19,11 @@ type Outbound interface {
 	N.Dialer
 }
 
+type DirectRouteOutbound interface {
+	Outbound
+	NewDirectRouteConnection(metadata InboundContext, routeContext tun.DirectRouteContext) (tun.DirectRouteDestination, error)
+}
+
 type OutboundRegistry interface {
 	option.OutboundOptionsRegistry
 	CreateOutbound(ctx context.Context, router Router, logger log.ContextLogger, tag string, outboundType string, options any) (Outbound, error)

adapter/outbound/manager.go

@@ -246,6 +246,8 @@ func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.
 	if err != nil {
 		return err
 	}
+	m.access.Lock()
+	defer m.access.Unlock()
 	if m.started {
 		for _, stage := range adapter.ListStartStages {
 			err = adapter.LegacyStart(outbound, stage)
@@ -254,8 +256,6 @@ func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.
 			}
 		}
 	}
-	m.access.Lock()
-	defer m.access.Unlock()
 	if existsOutbound, loaded := m.outboundByTag[tag]; loaded {
 		if m.started {
 			err = common.Close(existsOutbound)

adapter/router.go

@@ -8,6 +8,7 @@ import (
 	"sync"
 
 	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-tun"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/common/ntp"
@@ -19,7 +20,7 @@ import (
 type Router interface {
 	Lifecycle
 	ConnectionRouter
-	PreMatch(metadata InboundContext) error
+	PreMatch(metadata InboundContext, context tun.DirectRouteContext) (tun.DirectRouteDestination, error)
 	ConnectionRouterEx
 	RuleSet(tag string) (RuleSet, bool)
 	NeedWIFIState() bool

box.go

@@ -216,15 +216,8 @@ func New(options Options) (*Box, error) {
 		} else {
 			tag = F.ToString(i)
 		}
-		endpointCtx := ctx
-		if tag != "" {
-			// TODO: remove this
-			endpointCtx = adapter.WithContext(endpointCtx, &adapter.InboundContext{
-				Outbound: tag,
-			})
-		}
 		err = endpointManager.Create(
-			endpointCtx,
+			ctx,
 			router,
 			logFactory.NewLogger(F.ToString("endpoint/", endpointOptions.Type, "[", tag, "]")),
 			tag,

cmd/internal/build_libbox/main.go

@@ -58,7 +58,7 @@ func init() {
 	sharedFlags = append(sharedFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -s -w -buildid=")
 	debugFlags = append(debugFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag)
 
-	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_utls", "with_clash_api", "with_tailscale")
+	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_ech", "with_utls", "with_clash_api", "with_tailscale")
 	iosTags = append(iosTags, "with_dhcp", "with_low_memory", "with_conntrack")
 	debugTags = append(debugTags, "debug")
 }

cmd/sing-box/cmd_generate_ech.go

@@ -9,6 +9,8 @@ import (
 	"github.com/spf13/cobra"
 )
 
+var pqSignatureSchemesEnabled bool
+
 var commandGenerateECHKeyPair = &cobra.Command{
 	Use:   "ech-keypair <plain_server_name>",
 	Short: "Generate TLS ECH key pair",
@@ -22,11 +24,12 @@ var commandGenerateECHKeyPair = &cobra.Command{
 }
 
 func init() {
+	commandGenerateECHKeyPair.Flags().BoolVar(&pqSignatureSchemesEnabled, "pq-signature-schemes-enabled", false, "Enable PQ signature schemes")
 	commandGenerate.AddCommand(commandGenerateECHKeyPair)
 }
 
 func generateECHKeyPair(serverName string) error {
-	configPem, keyPem, err := tls.ECHKeygenDefault(serverName)
+	configPem, keyPem, err := tls.ECHKeygenDefault(serverName, pqSignatureSchemesEnabled)
 	if err != nil {
 		return err
 	}

common/badtls/read_wait_ech.go

@@ -0,0 +1,31 @@
+//go:build go1.21 && !without_badtls && with_ech
+
+package badtls
+
+import (
+	"net"
+	_ "unsafe"
+
+	"github.com/sagernet/cloudflare-tls"
+	"github.com/sagernet/sing/common"
+)
+
+func init() {
+	tlsRegistry = append(tlsRegistry, func(conn net.Conn) (loaded bool, tlsReadRecord func() error, tlsHandlePostHandshakeMessage func() error) {
+		tlsConn, loaded := common.Cast[*tls.Conn](conn)
+		if !loaded {
+			return
+		}
+		return true, func() error {
+				return echReadRecord(tlsConn)
+			}, func() error {
+				return echHandlePostHandshakeMessage(tlsConn)
+			}
+	})
+}
+
+//go:linkname echReadRecord github.com/sagernet/cloudflare-tls.(*Conn).readRecord
+func echReadRecord(c *tls.Conn) error
+
+//go:linkname echHandlePostHandshakeMessage github.com/sagernet/cloudflare-tls.(*Conn).handlePostHandshakeMessage
+func echHandlePostHandshakeMessage(c *tls.Conn) error

common/certificate/store.go

@@ -34,13 +34,10 @@ func NewStore(ctx context.Context, logger logger.Logger, options option.Certific
 	switch options.Store {
 	case C.CertificateStoreSystem, "":
 		systemPool = x509.NewCertPool()
-		platformInterface := service.FromContext[platform.Interface](ctx)
 		var systemValid bool
-		if platformInterface != nil {
-			for _, cert := range platformInterface.SystemCertificates() {
-				if systemPool.AppendCertsFromPEM([]byte(cert)) {
-					systemValid = true
-				}
+		for _, cert := range service.FromContext[platform.Interface](ctx).SystemCertificates() {
+			if systemPool.AppendCertsFromPEM([]byte(cert)) {
+				systemValid = true
 			}
 		}
 		if !systemValid {

common/dialer/default.go

@@ -210,8 +210,6 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 func (d *DefaultDialer) DialContext(ctx context.Context, network string, address M.Socksaddr) (net.Conn, error) {
 	if !address.IsValid() {
 		return nil, E.New("invalid address")
-	} else if address.IsFqdn() {
-		return nil, E.New("domain not resolved")
 	}
 	if d.networkStrategy == nil {
 		switch N.NetworkName(network) {

common/dialer/default_parallel_interface.go

@@ -18,7 +18,6 @@ func (d *DefaultDialer) dialParallelInterface(ctx context.Context, dialer net.Di
 	if len(primaryInterfaces)+len(fallbackInterfaces) == 0 {
 		return nil, false, E.New("no available network interface")
 	}
-	defaultInterface := d.networkManager.InterfaceMonitor().DefaultInterface()
 	if fallbackDelay == 0 {
 		fallbackDelay = N.DefaultFallbackDelay
 	}
@@ -32,9 +31,7 @@ func (d *DefaultDialer) dialParallelInterface(ctx context.Context, dialer net.Di
 	results := make(chan dialResult) // unbuffered
 	startRacer := func(ctx context.Context, primary bool, iif adapter.NetworkInterface) {
 		perNetDialer := dialer
-		if defaultInterface == nil || iif.Index != defaultInterface.Index {
-			perNetDialer.Control = control.Append(perNetDialer.Control, control.BindToInterface(nil, iif.Name, iif.Index))
-		}
+		perNetDialer.Control = control.Append(perNetDialer.Control, control.BindToInterface(nil, iif.Name, iif.Index))
 		conn, err := perNetDialer.DialContext(ctx, network, addr)
 		if err != nil {
 			select {
@@ -92,7 +89,6 @@ func (d *DefaultDialer) dialParallelInterfaceFastFallback(ctx context.Context, d
 	if len(primaryInterfaces)+len(fallbackInterfaces) == 0 {
 		return nil, false, E.New("no available network interface")
 	}
-	defaultInterface := d.networkManager.InterfaceMonitor().DefaultInterface()
 	if fallbackDelay == 0 {
 		fallbackDelay = N.DefaultFallbackDelay
 	}
@@ -107,9 +103,7 @@ func (d *DefaultDialer) dialParallelInterfaceFastFallback(ctx context.Context, d
 	results := make(chan dialResult) // unbuffered
 	startRacer := func(ctx context.Context, primary bool, iif adapter.NetworkInterface) {
 		perNetDialer := dialer
-		if defaultInterface == nil || iif.Index != defaultInterface.Index {
-			perNetDialer.Control = control.Append(perNetDialer.Control, control.BindToInterface(nil, iif.Name, iif.Index))
-		}
+		perNetDialer.Control = control.Append(perNetDialer.Control, control.BindToInterface(nil, iif.Name, iif.Index))
 		conn, err := perNetDialer.DialContext(ctx, network, addr)
 		if err != nil {
 			select {
@@ -155,13 +149,10 @@ func (d *DefaultDialer) listenSerialInterfacePacket(ctx context.Context, listene
 	if len(primaryInterfaces)+len(fallbackInterfaces) == 0 {
 		return nil, E.New("no available network interface")
 	}
-	defaultInterface := d.networkManager.InterfaceMonitor().DefaultInterface()
 	var errors []error
 	for _, primaryInterface := range primaryInterfaces {
 		perNetListener := listener
-		if defaultInterface == nil || primaryInterface.Index != defaultInterface.Index {
-			perNetListener.Control = control.Append(perNetListener.Control, control.BindToInterface(nil, primaryInterface.Name, primaryInterface.Index))
-		}
+		perNetListener.Control = control.Append(perNetListener.Control, control.BindToInterface(nil, primaryInterface.Name, primaryInterface.Index))
 		conn, err := perNetListener.ListenPacket(ctx, network, addr)
 		if err == nil {
 			return conn, nil
@@ -170,9 +161,7 @@ func (d *DefaultDialer) listenSerialInterfacePacket(ctx context.Context, listene
 	}
 	for _, fallbackInterface := range fallbackInterfaces {
 		perNetListener := listener
-		if defaultInterface == nil || fallbackInterface.Index != defaultInterface.Index {
-			perNetListener.Control = control.Append(perNetListener.Control, control.BindToInterface(nil, fallbackInterface.Name, fallbackInterface.Index))
-		}
+		perNetListener.Control = control.Append(perNetListener.Control, control.BindToInterface(nil, fallbackInterface.Name, fallbackInterface.Index))
 		conn, err := perNetListener.ListenPacket(ctx, network, addr)
 		if err == nil {
 			return conn, nil

common/dialer/dialer.go

@@ -52,7 +52,7 @@ func NewWithOptions(options Options) (N.Dialer, error) {
 			return nil, err
 		}
 	}
-	if options.RemoteIsDomain && (dialOptions.Detour == "" || options.ResolverOnDetour || dialOptions.DomainResolver != nil && dialOptions.DomainResolver.Server != "") {
+	if options.RemoteIsDomain && (dialOptions.Detour == "" || options.ResolverOnDetour) {
 		networkManager := service.FromContext[adapter.NetworkManager](options.Context)
 		dnsTransport := service.FromContext[adapter.DNSTransportManager](options.Context)
 		var defaultOptions adapter.NetworkOptions
@@ -104,12 +104,7 @@ func NewWithOptions(options Options) (N.Dialer, error) {
 		} else if options.NewDialer {
 			return nil, E.New("missing domain resolver for domain server address")
 		} else {
-			transports := dnsTransport.Transports()
-			if len(transports) < 2 {
-				dnsQueryOptions.Transport = dnsTransport.Default()
-			} else {
-				deprecated.Report(options.Context, deprecated.OptionMissingDomainResolver)
-			}
+			deprecated.Report(options.Context, deprecated.OptionMissingDomainResolver)
 		}
 		dialer = NewResolveDialer(
 			options.Context,

common/dialer/resolve.go

@@ -44,20 +44,6 @@ type resolveDialer struct {
 }
 
 func NewResolveDialer(ctx context.Context, dialer N.Dialer, parallel bool, server string, queryOptions adapter.DNSQueryOptions, fallbackDelay time.Duration) ResolveDialer {
-	if parallelDialer, isParallel := dialer.(ParallelInterfaceDialer); isParallel {
-		return &resolveParallelNetworkDialer{
-			resolveDialer{
-				transport:     service.FromContext[adapter.DNSTransportManager](ctx),
-				router:        service.FromContext[adapter.DNSRouter](ctx),
-				dialer:        dialer,
-				parallel:      parallel,
-				server:        server,
-				queryOptions:  queryOptions,
-				fallbackDelay: fallbackDelay,
-			},
-			parallelDialer,
-		}
-	}
 	return &resolveDialer{
 		transport:     service.FromContext[adapter.DNSTransportManager](ctx),
 		router:        service.FromContext[adapter.DNSRouter](ctx),
@@ -74,6 +60,21 @@ type resolveParallelNetworkDialer struct {
 	dialer ParallelInterfaceDialer
 }
 
+func NewResolveParallelInterfaceDialer(ctx context.Context, dialer ParallelInterfaceDialer, parallel bool, server string, queryOptions adapter.DNSQueryOptions, fallbackDelay time.Duration) ParallelInterfaceResolveDialer {
+	return &resolveParallelNetworkDialer{
+		resolveDialer{
+			transport:     service.FromContext[adapter.DNSTransportManager](ctx),
+			router:        service.FromContext[adapter.DNSRouter](ctx),
+			dialer:        dialer,
+			parallel:      parallel,
+			server:        server,
+			queryOptions:  queryOptions,
+			fallbackDelay: fallbackDelay,
+		},
+		dialer,
+	}
+}
+
 func (d *resolveDialer) initialize() error {
 	d.initOnce.Do(d.initServer)
 	return d.initErr

common/sniff/ntp.go

@@ -1,58 +0,0 @@
-package sniff
-
-import (
-	"context"
-	"encoding/binary"
-	"os"
-
-	"github.com/sagernet/sing-box/adapter"
-	C "github.com/sagernet/sing-box/constant"
-)
-
-func NTP(ctx context.Context, metadata *adapter.InboundContext, packet []byte) error {
-	// NTP packets must be at least 48 bytes long (standard NTP header size).
-	pLen := len(packet)
-	if pLen < 48 {
-		return os.ErrInvalid
-	}
-	// Check the LI (Leap Indicator) and Version Number (VN) in the first byte.
-	// We'll primarily focus on ensuring the version is valid for NTP.
-	// Many NTP versions are used, but let's check for generally accepted ones (3 & 4 for IPv4, plus potential extensions/customizations)
-	firstByte := packet[0]
-	li := (firstByte >> 6) & 0x03 // Extract LI
-	vn := (firstByte >> 3) & 0x07 // Extract VN
-	mode := firstByte & 0x07      // Extract Mode
-
-	// Leap Indicator should be a valid value (0-3).
-	if li > 3 {
-		return os.ErrInvalid
-	}
-
-	// Version Check (common NTP versions are 3 and 4)
-	if vn != 3 && vn != 4 {
-		return os.ErrInvalid
-	}
-
-	// Check the Mode field for a client request (Mode 3).  This validates it *is* a request.
-	if mode != 3 {
-		return os.ErrInvalid
-	}
-
-	// Check Root Delay and Root Dispersion. While not strictly *required* for a request,
-	// we can check if they appear to be reasonable values (not excessively large).
-	rootDelay := binary.BigEndian.Uint32(packet[4:8])
-	rootDispersion := binary.BigEndian.Uint32(packet[8:12])
-
-	// Check for unreasonably large root delay and dispersion.  NTP RFC specifies max values of approximately 16 seconds.
-	// Convert to milliseconds for easy comparison.  Each unit is 1/2^16 seconds.
-	if float64(rootDelay)/65536.0 > 16.0 {
-		return os.ErrInvalid
-	}
-	if float64(rootDispersion)/65536.0 > 16.0 {
-		return os.ErrInvalid
-	}
-
-	metadata.Protocol = C.ProtocolNTP
-
-	return nil
-}

common/sniff/ntp_test.go

@@ -1,33 +0,0 @@
-package sniff_test
-
-import (
-	"context"
-	"encoding/hex"
-	"os"
-	"testing"
-
-	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/common/sniff"
-	C "github.com/sagernet/sing-box/constant"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestSniffNTP(t *testing.T) {
-	t.Parallel()
-	packet, err := hex.DecodeString("1b0006000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")
-	require.NoError(t, err)
-	var metadata adapter.InboundContext
-	err = sniff.NTP(context.Background(), &metadata, packet)
-	require.NoError(t, err)
-	require.Equal(t, metadata.Protocol, C.ProtocolNTP)
-}
-
-func TestSniffNTPFailed(t *testing.T) {
-	t.Parallel()
-	packet, err := hex.DecodeString("400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")
-	require.NoError(t, err)
-	var metadata adapter.InboundContext
-	err = sniff.NTP(context.Background(), &metadata, packet)
-	require.ErrorIs(t, err, os.ErrInvalid)
-}

common/sniff/quic_test.go

@@ -12,26 +12,6 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestSniffQUICChromeNew(t *testing.T) {
-	t.Parallel()
-	pkt, err := hex.DecodeString("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")
-	require.NoError(t, err)
-	var metadata adapter.InboundContext
-	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
-	require.Equal(t, metadata.Protocol, C.ProtocolQUIC)
-	require.Equal(t, metadata.Client, C.ClientChromium)
-	require.ErrorIs(t, err, sniff.ErrClientHelloFragmented)
-	pkt, err = hex.DecodeString("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")
-	require.NoError(t, err)
-	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
-	require.ErrorIs(t, err, sniff.ErrClientHelloFragmented)
-	pkt, err = hex.DecodeString("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")
-	require.NoError(t, err)
-	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
-	require.NoError(t, err)
-	require.Equal(t, "www.google.com", metadata.Domain)
-}
-
 func TestSniffQUICChromium(t *testing.T) {
 	t.Parallel()
 	pkt, err := hex.DecodeString("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")

common/sniff/sniff.go

@@ -9,7 +9,6 @@ import (
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/buf"
 	E "github.com/sagernet/sing/common/exceptions"
 )
@@ -35,7 +34,7 @@ func Skip(metadata *adapter.InboundContext) bool {
 	return false
 }
 
-func PeekStream(ctx context.Context, metadata *adapter.InboundContext, conn net.Conn, buffers []*buf.Buffer, buffer *buf.Buffer, timeout time.Duration, sniffers ...StreamSniffer) error {
+func PeekStream(ctx context.Context, metadata *adapter.InboundContext, conn net.Conn, buffer *buf.Buffer, timeout time.Duration, sniffers ...StreamSniffer) error {
 	if timeout == 0 {
 		timeout = C.ReadPayloadTimeout
 	}
@@ -56,10 +55,7 @@ func PeekStream(ctx context.Context, metadata *adapter.InboundContext, conn net.
 		}
 		errors = nil
 		for _, sniffer := range sniffers {
-			reader := io.MultiReader(common.Map(append(buffers, buffer), func(it *buf.Buffer) io.Reader {
-				return bytes.NewReader(it.Bytes())
-			})...)
-			err = sniffer(ctx, metadata, reader)
+			err = sniffer(ctx, metadata, bytes.NewReader(buffer.Bytes()))
 			if err == nil {
 				return nil
 			}

common/tls/client.go

@@ -29,12 +29,15 @@ func NewClient(ctx context.Context, serverAddress string, options option.Outboun
 	if !options.Enabled {
 		return nil, nil
 	}
-	if options.Reality != nil && options.Reality.Enabled {
+	if options.ECH != nil && options.ECH.Enabled {
+		return NewECHClient(ctx, serverAddress, options)
+	} else if options.Reality != nil && options.Reality.Enabled {
 		return NewRealityClient(ctx, serverAddress, options)
 	} else if options.UTLS != nil && options.UTLS.Enabled {
 		return NewUTLSClient(ctx, serverAddress, options)
+	} else {
+		return NewSTDClient(ctx, serverAddress, options)
 	}
-	return NewSTDClient(ctx, serverAddress, options)
 }
 
 func ClientHandshake(ctx context.Context, conn net.Conn, config Config) (Conn, error) {

common/tls/ech.go

@@ -1,174 +0,0 @@
-//go:build go1.24
-
-package tls
-
-import (
-	"context"
-	"crypto/tls"
-	"encoding/base64"
-	"encoding/pem"
-	"net"
-	"os"
-	"strings"
-
-	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/dns"
-	"github.com/sagernet/sing-box/experimental/deprecated"
-	"github.com/sagernet/sing-box/option"
-	E "github.com/sagernet/sing/common/exceptions"
-	aTLS "github.com/sagernet/sing/common/tls"
-	"github.com/sagernet/sing/service"
-
-	mDNS "github.com/miekg/dns"
-	"golang.org/x/crypto/cryptobyte"
-)
-
-func parseECHClientConfig(ctx context.Context, options option.OutboundTLSOptions, tlsConfig *tls.Config) (Config, error) {
-	var echConfig []byte
-	if len(options.ECH.Config) > 0 {
-		echConfig = []byte(strings.Join(options.ECH.Config, "\n"))
-	} else if options.ECH.ConfigPath != "" {
-		content, err := os.ReadFile(options.ECH.ConfigPath)
-		if err != nil {
-			return nil, E.Cause(err, "read ECH config")
-		}
-		echConfig = content
-	}
-	//nolint:staticcheck
-	if options.ECH.PQSignatureSchemesEnabled || options.ECH.DynamicRecordSizingDisabled {
-		deprecated.Report(ctx, deprecated.OptionLegacyECHOptions)
-	}
-	if len(echConfig) > 0 {
-		block, rest := pem.Decode(echConfig)
-		if block == nil || block.Type != "ECH CONFIGS" || len(rest) > 0 {
-			return nil, E.New("invalid ECH configs pem")
-		}
-		tlsConfig.EncryptedClientHelloConfigList = block.Bytes
-		return &STDClientConfig{tlsConfig}, nil
-	} else {
-		return &STDECHClientConfig{STDClientConfig{tlsConfig}, service.FromContext[adapter.DNSRouter](ctx)}, nil
-	}
-}
-
-func parseECHServerConfig(ctx context.Context, options option.InboundTLSOptions, tlsConfig *tls.Config, echKeyPath *string) error {
-	var echKey []byte
-	if len(options.ECH.Key) > 0 {
-		echKey = []byte(strings.Join(options.ECH.Key, "\n"))
-	} else if options.ECH.KeyPath != "" {
-		content, err := os.ReadFile(options.ECH.KeyPath)
-		if err != nil {
-			return E.Cause(err, "read ECH keys")
-		}
-		echKey = content
-		*echKeyPath = options.ECH.KeyPath
-	} else {
-		return E.New("missing ECH keys")
-	}
-	block, rest := pem.Decode(echKey)
-	if block == nil || block.Type != "ECH KEYS" || len(rest) > 0 {
-		return E.New("invalid ECH keys pem")
-	}
-	echKeys, err := UnmarshalECHKeys(block.Bytes)
-	if err != nil {
-		return E.Cause(err, "parse ECH keys")
-	}
-	tlsConfig.EncryptedClientHelloKeys = echKeys
-	//nolint:staticcheck
-	if options.ECH.PQSignatureSchemesEnabled || options.ECH.DynamicRecordSizingDisabled {
-		deprecated.Report(ctx, deprecated.OptionLegacyECHOptions)
-	}
-	return nil
-}
-
-func reloadECHKeys(echKeyPath string, tlsConfig *tls.Config) error {
-	echKey, err := os.ReadFile(echKeyPath)
-	if err != nil {
-		return E.Cause(err, "reload ECH keys from ", echKeyPath)
-	}
-	block, _ := pem.Decode(echKey)
-	if block == nil || block.Type != "ECH KEYS" {
-		return E.New("invalid ECH keys pem")
-	}
-	echKeys, err := UnmarshalECHKeys(block.Bytes)
-	if err != nil {
-		return E.Cause(err, "parse ECH keys")
-	}
-	tlsConfig.EncryptedClientHelloKeys = echKeys
-	return nil
-}
-
-type STDECHClientConfig struct {
-	STDClientConfig
-	dnsRouter adapter.DNSRouter
-}
-
-func (s *STDECHClientConfig) ClientHandshake(ctx context.Context, conn net.Conn) (aTLS.Conn, error) {
-	if len(s.config.EncryptedClientHelloConfigList) == 0 {
-		message := &mDNS.Msg{
-			MsgHdr: mDNS.MsgHdr{
-				RecursionDesired: true,
-			},
-			Question: []mDNS.Question{
-				{
-					Name:   mDNS.Fqdn(s.config.ServerName),
-					Qtype:  mDNS.TypeHTTPS,
-					Qclass: mDNS.ClassINET,
-				},
-			},
-		}
-		response, err := s.dnsRouter.Exchange(ctx, message, adapter.DNSQueryOptions{})
-		if err != nil {
-			return nil, E.Cause(err, "fetch ECH config list")
-		}
-		if response.Rcode != mDNS.RcodeSuccess {
-			return nil, E.Cause(dns.RcodeError(response.Rcode), "fetch ECH config list")
-		}
-		for _, rr := range response.Answer {
-			switch resource := rr.(type) {
-			case *mDNS.HTTPS:
-				for _, value := range resource.Value {
-					if value.Key().String() == "ech" {
-						echConfigList, err := base64.StdEncoding.DecodeString(value.String())
-						if err != nil {
-							return nil, E.Cause(err, "decode ECH config")
-						}
-						s.config.EncryptedClientHelloConfigList = echConfigList
-					}
-				}
-			}
-		}
-		return nil, E.New("no ECH config found in DNS records")
-	}
-	tlsConn, err := s.Client(conn)
-	if err != nil {
-		return nil, err
-	}
-	err = tlsConn.HandshakeContext(ctx)
-	if err != nil {
-		return nil, err
-	}
-	return tlsConn, nil
-}
-
-func (s *STDECHClientConfig) Clone() Config {
-	return &STDECHClientConfig{STDClientConfig{s.config.Clone()}, s.dnsRouter}
-}
-
-func UnmarshalECHKeys(raw []byte) ([]tls.EncryptedClientHelloKey, error) {
-	var keys []tls.EncryptedClientHelloKey
-	rawString := cryptobyte.String(raw)
-	for !rawString.Empty() {
-		var key tls.EncryptedClientHelloKey
-		if !rawString.ReadUint16LengthPrefixed((*cryptobyte.String)(&key.PrivateKey)) {
-			return nil, E.New("error parsing private key")
-		}
-		if !rawString.ReadUint16LengthPrefixed((*cryptobyte.String)(&key.Config)) {
-			return nil, E.New("error parsing config")
-		}
-		keys = append(keys, key)
-	}
-	if len(keys) == 0 {
-		return nil, E.New("empty ECH keys")
-	}
-	return keys, nil
-}

common/tls/ech_client.go

@@ -0,0 +1,244 @@
+//go:build with_ech
+
+package tls
+
+import (
+	"context"
+	"crypto/tls"
+	"crypto/x509"
+	"encoding/base64"
+	"encoding/pem"
+	"net"
+	"net/netip"
+	"os"
+	"strings"
+
+	cftls "github.com/sagernet/cloudflare-tls"
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/dns"
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/ntp"
+	"github.com/sagernet/sing/service"
+
+	mDNS "github.com/miekg/dns"
+)
+
+type echClientConfig struct {
+	config *cftls.Config
+}
+
+func (c *echClientConfig) ServerName() string {
+	return c.config.ServerName
+}
+
+func (c *echClientConfig) SetServerName(serverName string) {
+	c.config.ServerName = serverName
+}
+
+func (c *echClientConfig) NextProtos() []string {
+	return c.config.NextProtos
+}
+
+func (c *echClientConfig) SetNextProtos(nextProto []string) {
+	c.config.NextProtos = nextProto
+}
+
+func (c *echClientConfig) Config() (*STDConfig, error) {
+	return nil, E.New("unsupported usage for ECH")
+}
+
+func (c *echClientConfig) Client(conn net.Conn) (Conn, error) {
+	return &echConnWrapper{cftls.Client(conn, c.config)}, nil
+}
+
+func (c *echClientConfig) Clone() Config {
+	return &echClientConfig{
+		config: c.config.Clone(),
+	}
+}
+
+type echConnWrapper struct {
+	*cftls.Conn
+}
+
+func (c *echConnWrapper) ConnectionState() tls.ConnectionState {
+	state := c.Conn.ConnectionState()
+	//nolint:staticcheck
+	return tls.ConnectionState{
+		Version:                     state.Version,
+		HandshakeComplete:           state.HandshakeComplete,
+		DidResume:                   state.DidResume,
+		CipherSuite:                 state.CipherSuite,
+		NegotiatedProtocol:          state.NegotiatedProtocol,
+		NegotiatedProtocolIsMutual:  state.NegotiatedProtocolIsMutual,
+		ServerName:                  state.ServerName,
+		PeerCertificates:            state.PeerCertificates,
+		VerifiedChains:              state.VerifiedChains,
+		SignedCertificateTimestamps: state.SignedCertificateTimestamps,
+		OCSPResponse:                state.OCSPResponse,
+		TLSUnique:                   state.TLSUnique,
+	}
+}
+
+func (c *echConnWrapper) Upstream() any {
+	return c.Conn
+}
+
+func NewECHClient(ctx context.Context, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
+	var serverName string
+	if options.ServerName != "" {
+		serverName = options.ServerName
+	} else if serverAddress != "" {
+		if _, err := netip.ParseAddr(serverName); err != nil {
+			serverName = serverAddress
+		}
+	}
+	if serverName == "" && !options.Insecure {
+		return nil, E.New("missing server_name or insecure=true")
+	}
+
+	var tlsConfig cftls.Config
+	tlsConfig.Time = ntp.TimeFuncFromContext(ctx)
+	tlsConfig.RootCAs = adapter.RootPoolFromContext(ctx)
+	if options.DisableSNI {
+		tlsConfig.ServerName = "127.0.0.1"
+	} else {
+		tlsConfig.ServerName = serverName
+	}
+	if options.Insecure {
+		tlsConfig.InsecureSkipVerify = options.Insecure
+	} else if options.DisableSNI {
+		tlsConfig.InsecureSkipVerify = true
+		tlsConfig.VerifyConnection = func(state cftls.ConnectionState) error {
+			verifyOptions := x509.VerifyOptions{
+				DNSName:       serverName,
+				Intermediates: x509.NewCertPool(),
+			}
+			for _, cert := range state.PeerCertificates[1:] {
+				verifyOptions.Intermediates.AddCert(cert)
+			}
+			_, err := state.PeerCertificates[0].Verify(verifyOptions)
+			return err
+		}
+	}
+	if len(options.ALPN) > 0 {
+		tlsConfig.NextProtos = options.ALPN
+	}
+	if options.MinVersion != "" {
+		minVersion, err := ParseTLSVersion(options.MinVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse min_version")
+		}
+		tlsConfig.MinVersion = minVersion
+	}
+	if options.MaxVersion != "" {
+		maxVersion, err := ParseTLSVersion(options.MaxVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse max_version")
+		}
+		tlsConfig.MaxVersion = maxVersion
+	}
+	if options.CipherSuites != nil {
+	find:
+		for _, cipherSuite := range options.CipherSuites {
+			for _, tlsCipherSuite := range cftls.CipherSuites() {
+				if cipherSuite == tlsCipherSuite.Name {
+					tlsConfig.CipherSuites = append(tlsConfig.CipherSuites, tlsCipherSuite.ID)
+					continue find
+				}
+			}
+			return nil, E.New("unknown cipher_suite: ", cipherSuite)
+		}
+	}
+	var certificate []byte
+	if len(options.Certificate) > 0 {
+		certificate = []byte(strings.Join(options.Certificate, "\n"))
+	} else if options.CertificatePath != "" {
+		content, err := os.ReadFile(options.CertificatePath)
+		if err != nil {
+			return nil, E.Cause(err, "read certificate")
+		}
+		certificate = content
+	}
+	if len(certificate) > 0 {
+		certPool := x509.NewCertPool()
+		if !certPool.AppendCertsFromPEM(certificate) {
+			return nil, E.New("failed to parse certificate:\n\n", certificate)
+		}
+		tlsConfig.RootCAs = certPool
+	}
+
+	// ECH Config
+
+	tlsConfig.ECHEnabled = true
+	tlsConfig.PQSignatureSchemesEnabled = options.ECH.PQSignatureSchemesEnabled
+	tlsConfig.DynamicRecordSizingDisabled = options.ECH.DynamicRecordSizingDisabled
+
+	var echConfig []byte
+	if len(options.ECH.Config) > 0 {
+		echConfig = []byte(strings.Join(options.ECH.Config, "\n"))
+	} else if options.ECH.ConfigPath != "" {
+		content, err := os.ReadFile(options.ECH.ConfigPath)
+		if err != nil {
+			return nil, E.Cause(err, "read ECH config")
+		}
+		echConfig = content
+	}
+
+	if len(echConfig) > 0 {
+		block, rest := pem.Decode(echConfig)
+		if block == nil || block.Type != "ECH CONFIGS" || len(rest) > 0 {
+			return nil, E.New("invalid ECH configs pem")
+		}
+		echConfigs, err := cftls.UnmarshalECHConfigs(block.Bytes)
+		if err != nil {
+			return nil, E.Cause(err, "parse ECH configs")
+		}
+		tlsConfig.ClientECHConfigs = echConfigs
+	} else {
+		tlsConfig.GetClientECHConfigs = fetchECHClientConfig(ctx)
+	}
+	return &echClientConfig{&tlsConfig}, nil
+}
+
+func fetchECHClientConfig(ctx context.Context) func(_ context.Context, serverName string) ([]cftls.ECHConfig, error) {
+	return func(_ context.Context, serverName string) ([]cftls.ECHConfig, error) {
+		message := &mDNS.Msg{
+			MsgHdr: mDNS.MsgHdr{
+				RecursionDesired: true,
+			},
+			Question: []mDNS.Question{
+				{
+					Name:   serverName + ".",
+					Qtype:  mDNS.TypeHTTPS,
+					Qclass: mDNS.ClassINET,
+				},
+			},
+		}
+		response, err := service.FromContext[adapter.DNSRouter](ctx).Exchange(ctx, message, adapter.DNSQueryOptions{})
+		if err != nil {
+			return nil, err
+		}
+		if response.Rcode != mDNS.RcodeSuccess {
+			return nil, dns.RCodeError(response.Rcode)
+		}
+		for _, rr := range response.Answer {
+			switch resource := rr.(type) {
+			case *mDNS.HTTPS:
+				for _, value := range resource.Value {
+					if value.Key().String() == "ech" {
+						echConfig, err := base64.StdEncoding.DecodeString(value.String())
+						if err != nil {
+							return nil, E.Cause(err, "decode ECH config")
+						}
+						return cftls.UnmarshalECHConfigs(echConfig)
+					}
+				}
+			default:
+				return nil, E.New("unknown resource record type: ", resource.Header().Rrtype)
+			}
+		}
+		return nil, E.New("no ECH config found")
+	}
+}

common/tls/ech_keygen.go

@@ -1,3 +1,5 @@
+//go:build with_ech
+
 package tls
 
 import (
@@ -5,13 +7,14 @@ import (
 	"encoding/binary"
 	"encoding/pem"
 
+	cftls "github.com/sagernet/cloudflare-tls"
 	E "github.com/sagernet/sing/common/exceptions"
 
 	"github.com/cloudflare/circl/hpke"
 	"github.com/cloudflare/circl/kem"
 )
 
-func ECHKeygenDefault(serverName string) (configPem string, keyPem string, err error) {
+func ECHKeygenDefault(serverName string, pqSignatureSchemesEnabled bool) (configPem string, keyPem string, err error) {
 	cipherSuites := []echCipherSuite{
 		{
 			kdf:  hpke.KDF_HKDF_SHA256,
@@ -21,9 +24,13 @@ func ECHKeygenDefault(serverName string) (configPem string, keyPem string, err e
 			aead: hpke.AEAD_ChaCha20Poly1305,
 		},
 	}
+
 	keyConfig := []myECHKeyConfig{
 		{id: 0, kem: hpke.KEM_X25519_HKDF_SHA256},
 	}
+	if pqSignatureSchemesEnabled {
+		keyConfig = append(keyConfig, myECHKeyConfig{id: 1, kem: hpke.KEM_X25519_KYBER768_DRAFT00})
+	}
 
 	keyPairs, err := echKeygen(0xfe0d, serverName, keyConfig, cipherSuites)
 	if err != nil {
@@ -52,6 +59,7 @@ func ECHKeygenDefault(serverName string) (configPem string, keyPem string, err e
 
 type echKeyConfigPair struct {
 	id      uint8
+	key     cftls.EXP_ECHKey
 	rawKey  []byte
 	conf    myECHKeyConfig
 	rawConf []byte
@@ -147,6 +155,15 @@ func echKeygen(version uint16, serverName string, conf []myECHKeyConfig, suite [
 		sk = append(sk, secBuf...)
 		sk = be.AppendUint16(sk, uint16(len(b)))
 		sk = append(sk, b...)
+
+		cfECHKeys, err := cftls.EXP_UnmarshalECHKeys(sk)
+		if err != nil {
+			return nil, E.Cause(err, "bug: can't parse generated ECH server key")
+		}
+		if len(cfECHKeys) != 1 {
+			return nil, E.New("bug: unexpected server key count")
+		}
+		pair.key = cfECHKeys[0]
 		pair.rawKey = sk
 
 		pairs = append(pairs, pair)

common/tls/ech_quic.go

@@ -0,0 +1,55 @@
+//go:build with_quic && with_ech
+
+package tls
+
+import (
+	"context"
+	"net"
+	"net/http"
+
+	"github.com/sagernet/cloudflare-tls"
+	"github.com/sagernet/quic-go/ech"
+	"github.com/sagernet/quic-go/http3_ech"
+	"github.com/sagernet/sing-quic"
+	M "github.com/sagernet/sing/common/metadata"
+)
+
+var (
+	_ qtls.Config       = (*echClientConfig)(nil)
+	_ qtls.ServerConfig = (*echServerConfig)(nil)
+)
+
+func (c *echClientConfig) Dial(ctx context.Context, conn net.PacketConn, addr net.Addr, config *quic.Config) (quic.Connection, error) {
+	return quic.Dial(ctx, conn, addr, c.config, config)
+}
+
+func (c *echClientConfig) DialEarly(ctx context.Context, conn net.PacketConn, addr net.Addr, config *quic.Config) (quic.EarlyConnection, error) {
+	return quic.DialEarly(ctx, conn, addr, c.config, config)
+}
+
+func (c *echClientConfig) CreateTransport(conn net.PacketConn, quicConnPtr *quic.EarlyConnection, serverAddr M.Socksaddr, quicConfig *quic.Config) http.RoundTripper {
+	return &http3.Transport{
+		TLSClientConfig: c.config,
+		QUICConfig:      quicConfig,
+		Dial: func(ctx context.Context, addr string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
+			quicConn, err := quic.DialEarly(ctx, conn, serverAddr.UDPAddr(), tlsCfg, cfg)
+			if err != nil {
+				return nil, err
+			}
+			*quicConnPtr = quicConn
+			return quicConn, nil
+		},
+	}
+}
+
+func (c *echServerConfig) Listen(conn net.PacketConn, config *quic.Config) (qtls.Listener, error) {
+	return quic.Listen(conn, c.config, config)
+}
+
+func (c *echServerConfig) ListenEarly(conn net.PacketConn, config *quic.Config) (qtls.EarlyListener, error) {
+	return quic.ListenEarly(conn, c.config, config)
+}
+
+func (c *echServerConfig) ConfigureHTTP3() {
+	http3.ConfigureTLSConfig(c.config)
+}

common/tls/ech_server.go

@@ -0,0 +1,278 @@
+//go:build with_ech
+
+package tls
+
+import (
+	"context"
+	"crypto/tls"
+	"encoding/pem"
+	"net"
+	"os"
+	"strings"
+
+	cftls "github.com/sagernet/cloudflare-tls"
+	"github.com/sagernet/fswatch"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/ntp"
+)
+
+type echServerConfig struct {
+	config          *cftls.Config
+	logger          log.Logger
+	certificate     []byte
+	key             []byte
+	certificatePath string
+	keyPath         string
+	echKeyPath      string
+	watcher         *fswatch.Watcher
+}
+
+func (c *echServerConfig) ServerName() string {
+	return c.config.ServerName
+}
+
+func (c *echServerConfig) SetServerName(serverName string) {
+	c.config.ServerName = serverName
+}
+
+func (c *echServerConfig) NextProtos() []string {
+	return c.config.NextProtos
+}
+
+func (c *echServerConfig) SetNextProtos(nextProto []string) {
+	c.config.NextProtos = nextProto
+}
+
+func (c *echServerConfig) Config() (*STDConfig, error) {
+	return nil, E.New("unsupported usage for ECH")
+}
+
+func (c *echServerConfig) Client(conn net.Conn) (Conn, error) {
+	return &echConnWrapper{cftls.Client(conn, c.config)}, nil
+}
+
+func (c *echServerConfig) Server(conn net.Conn) (Conn, error) {
+	return &echConnWrapper{cftls.Server(conn, c.config)}, nil
+}
+
+func (c *echServerConfig) Clone() Config {
+	return &echServerConfig{
+		config: c.config.Clone(),
+	}
+}
+
+func (c *echServerConfig) Start() error {
+	err := c.startWatcher()
+	if err != nil {
+		c.logger.Warn("create credentials watcher: ", err)
+	}
+	return nil
+}
+
+func (c *echServerConfig) startWatcher() error {
+	var watchPath []string
+	if c.certificatePath != "" {
+		watchPath = append(watchPath, c.certificatePath)
+	}
+	if c.keyPath != "" {
+		watchPath = append(watchPath, c.keyPath)
+	}
+	if c.echKeyPath != "" {
+		watchPath = append(watchPath, c.echKeyPath)
+	}
+	if len(watchPath) == 0 {
+		return nil
+	}
+	watcher, err := fswatch.NewWatcher(fswatch.Options{
+		Path: watchPath,
+		Callback: func(path string) {
+			err := c.credentialsUpdated(path)
+			if err != nil {
+				c.logger.Error(E.Cause(err, "reload credentials"))
+			}
+		},
+	})
+	if err != nil {
+		return err
+	}
+	err = watcher.Start()
+	if err != nil {
+		return err
+	}
+	c.watcher = watcher
+	return nil
+}
+
+func (c *echServerConfig) credentialsUpdated(path string) error {
+	if path == c.certificatePath || path == c.keyPath {
+		if path == c.certificatePath {
+			certificate, err := os.ReadFile(c.certificatePath)
+			if err != nil {
+				return err
+			}
+			c.certificate = certificate
+		} else {
+			key, err := os.ReadFile(c.keyPath)
+			if err != nil {
+				return err
+			}
+			c.key = key
+		}
+		keyPair, err := cftls.X509KeyPair(c.certificate, c.key)
+		if err != nil {
+			return E.Cause(err, "parse key pair")
+		}
+		c.config.Certificates = []cftls.Certificate{keyPair}
+		c.logger.Info("reloaded TLS certificate")
+	} else {
+		echKeyContent, err := os.ReadFile(c.echKeyPath)
+		if err != nil {
+			return err
+		}
+		block, rest := pem.Decode(echKeyContent)
+		if block == nil || block.Type != "ECH KEYS" || len(rest) > 0 {
+			return E.New("invalid ECH keys pem")
+		}
+		echKeys, err := cftls.EXP_UnmarshalECHKeys(block.Bytes)
+		if err != nil {
+			return E.Cause(err, "parse ECH keys")
+		}
+		echKeySet, err := cftls.EXP_NewECHKeySet(echKeys)
+		if err != nil {
+			return E.Cause(err, "create ECH key set")
+		}
+		c.config.ServerECHProvider = echKeySet
+		c.logger.Info("reloaded ECH keys")
+	}
+	return nil
+}
+
+func (c *echServerConfig) Close() error {
+	var err error
+	if c.watcher != nil {
+		err = E.Append(err, c.watcher.Close(), func(err error) error {
+			return E.Cause(err, "close credentials watcher")
+		})
+	}
+	return err
+}
+
+func NewECHServer(ctx context.Context, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
+	if !options.Enabled {
+		return nil, nil
+	}
+	var tlsConfig cftls.Config
+	if options.ACME != nil && len(options.ACME.Domain) > 0 {
+		return nil, E.New("acme is unavailable in ech")
+	}
+	tlsConfig.Time = ntp.TimeFuncFromContext(ctx)
+	if options.ServerName != "" {
+		tlsConfig.ServerName = options.ServerName
+	}
+	if len(options.ALPN) > 0 {
+		tlsConfig.NextProtos = append(options.ALPN, tlsConfig.NextProtos...)
+	}
+	if options.MinVersion != "" {
+		minVersion, err := ParseTLSVersion(options.MinVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse min_version")
+		}
+		tlsConfig.MinVersion = minVersion
+	}
+	if options.MaxVersion != "" {
+		maxVersion, err := ParseTLSVersion(options.MaxVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse max_version")
+		}
+		tlsConfig.MaxVersion = maxVersion
+	}
+	if options.CipherSuites != nil {
+	find:
+		for _, cipherSuite := range options.CipherSuites {
+			for _, tlsCipherSuite := range tls.CipherSuites() {
+				if cipherSuite == tlsCipherSuite.Name {
+					tlsConfig.CipherSuites = append(tlsConfig.CipherSuites, tlsCipherSuite.ID)
+					continue find
+				}
+			}
+			return nil, E.New("unknown cipher_suite: ", cipherSuite)
+		}
+	}
+	var certificate []byte
+	var key []byte
+	if len(options.Certificate) > 0 {
+		certificate = []byte(strings.Join(options.Certificate, "\n"))
+	} else if options.CertificatePath != "" {
+		content, err := os.ReadFile(options.CertificatePath)
+		if err != nil {
+			return nil, E.Cause(err, "read certificate")
+		}
+		certificate = content
+	}
+	if len(options.Key) > 0 {
+		key = []byte(strings.Join(options.Key, "\n"))
+	} else if options.KeyPath != "" {
+		content, err := os.ReadFile(options.KeyPath)
+		if err != nil {
+			return nil, E.Cause(err, "read key")
+		}
+		key = content
+	}
+
+	if certificate == nil {
+		return nil, E.New("missing certificate")
+	} else if key == nil {
+		return nil, E.New("missing key")
+	}
+
+	keyPair, err := cftls.X509KeyPair(certificate, key)
+	if err != nil {
+		return nil, E.Cause(err, "parse x509 key pair")
+	}
+	tlsConfig.Certificates = []cftls.Certificate{keyPair}
+
+	var echKey []byte
+	if len(options.ECH.Key) > 0 {
+		echKey = []byte(strings.Join(options.ECH.Key, "\n"))
+	} else if options.ECH.KeyPath != "" {
+		content, err := os.ReadFile(options.ECH.KeyPath)
+		if err != nil {
+			return nil, E.Cause(err, "read ECH key")
+		}
+		echKey = content
+	} else {
+		return nil, E.New("missing ECH key")
+	}
+
+	block, rest := pem.Decode(echKey)
+	if block == nil || block.Type != "ECH KEYS" || len(rest) > 0 {
+		return nil, E.New("invalid ECH keys pem")
+	}
+
+	echKeys, err := cftls.EXP_UnmarshalECHKeys(block.Bytes)
+	if err != nil {
+		return nil, E.Cause(err, "parse ECH keys")
+	}
+
+	echKeySet, err := cftls.EXP_NewECHKeySet(echKeys)
+	if err != nil {
+		return nil, E.Cause(err, "create ECH key set")
+	}
+
+	tlsConfig.ECHEnabled = true
+	tlsConfig.PQSignatureSchemesEnabled = options.ECH.PQSignatureSchemesEnabled
+	tlsConfig.DynamicRecordSizingDisabled = options.ECH.DynamicRecordSizingDisabled
+	tlsConfig.ServerECHProvider = echKeySet
+
+	return &echServerConfig{
+		config:          &tlsConfig,
+		logger:          logger,
+		certificate:     certificate,
+		key:             key,
+		certificatePath: options.CertificatePath,
+		keyPath:         options.KeyPath,
+		echKeyPath:      options.ECH.KeyPath,
+	}, nil
+}

common/tls/ech_stub.go

@@ -1,23 +1,25 @@
-//go:build !go1.24
+//go:build !with_ech
 
 package tls
 
 import (
 	"context"
-	"crypto/tls"
 
+	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
 )
 
-func parseECHClientConfig(ctx context.Context, options option.OutboundTLSOptions, tlsConfig *tls.Config) (Config, error) {
-	return nil, E.New("ECH requires go1.24, please recompile your binary.")
+var errECHNotIncluded = E.New(`ECH is not included in this build, rebuild with -tags with_ech`)
+
+func NewECHServer(ctx context.Context, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
+	return nil, errECHNotIncluded
 }
 
-func parseECHServerConfig(ctx context.Context, options option.InboundTLSOptions, tlsConfig *tls.Config, echKeyPath *string) error {
-	return E.New("ECH requires go1.24, please recompile your binary.")
+func NewECHClient(ctx context.Context, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
+	return nil, errECHNotIncluded
 }
 
-func reloadECHKeys(echKeyPath string, tlsConfig *tls.Config) error {
-	return E.New("ECH requires go1.24, please recompile your binary.")
+func ECHKeygenDefault(host string, pqSignatureSchemesEnabled bool) (configPem string, keyPem string, err error) {
+	return "", "", errECHNotIncluded
 }

common/tls/mkcert.go

@@ -12,9 +12,6 @@ import (
 )
 
 func GenerateKeyPair(parent *x509.Certificate, parentKey any, timeFunc func() time.Time, serverName string) (*tls.Certificate, error) {
-	if timeFunc == nil {
-		timeFunc = time.Now
-	}
 	privateKeyPem, publicKeyPem, err := GenerateCertificate(parent, parentKey, timeFunc, serverName, timeFunc().Add(time.Hour))
 	if err != nil {
 		return nil, err
@@ -27,6 +24,9 @@ func GenerateKeyPair(parent *x509.Certificate, parentKey any, timeFunc func() ti
 }
 
 func GenerateCertificate(parent *x509.Certificate, parentKey any, timeFunc func() time.Time, serverName string, expire time.Time) (privateKeyPem []byte, publicKeyPem []byte, err error) {
+	if timeFunc == nil {
+		timeFunc = time.Now
+	}
 	key, err := rsa.GenerateKey(rand.Reader, 2048)
 	if err != nil {
 		return

common/tls/server.go

@@ -16,10 +16,13 @@ func NewServer(ctx context.Context, logger log.Logger, options option.InboundTLS
 	if !options.Enabled {
 		return nil, nil
 	}
-	if options.Reality != nil && options.Reality.Enabled {
+	if options.ECH != nil && options.ECH.Enabled {
+		return NewECHServer(ctx, logger, options)
+	} else if options.Reality != nil && options.Reality.Enabled {
 		return NewRealityServer(ctx, logger, options)
+	} else {
+		return NewSTDServer(ctx, logger, options)
 	}
-	return NewSTDServer(ctx, logger, options)
 }
 
 func ServerHandshake(ctx context.Context, conn net.Conn, config ServerConfig) (Conn, error) {

common/tls/std_client.go

@@ -127,8 +127,5 @@ func NewSTDClient(ctx context.Context, serverAddress string, options option.Outb
 		}
 		tlsConfig.RootCAs = certPool
 	}
-	if options.ECH != nil && options.ECH.Enabled {
-		return parseECHClientConfig(ctx, options, &tlsConfig)
-	}
 	return &STDClientConfig{&tlsConfig}, nil
 }

common/tls/std_server.go

@@ -26,7 +26,6 @@ type STDServerConfig struct {
 	key             []byte
 	certificatePath string
 	keyPath         string
-	echKeyPath      string
 	watcher         *fswatch.Watcher
 }
 
@@ -95,9 +94,6 @@ func (c *STDServerConfig) startWatcher() error {
 	if c.keyPath != "" {
 		watchPath = append(watchPath, c.keyPath)
 	}
-	if c.echKeyPath != "" {
-		watchPath = append(watchPath, c.echKeyPath)
-	}
 	watcher, err := fswatch.NewWatcher(fswatch.Options{
 		Path: watchPath,
 		Callback: func(path string) {
@@ -119,33 +115,25 @@ func (c *STDServerConfig) startWatcher() error {
 }
 
 func (c *STDServerConfig) certificateUpdated(path string) error {
-	if path == c.certificatePath || path == c.keyPath {
-		if path == c.certificatePath {
-			certificate, err := os.ReadFile(c.certificatePath)
-			if err != nil {
-				return E.Cause(err, "reload certificate from ", c.certificatePath)
-			}
-			c.certificate = certificate
-		} else if path == c.keyPath {
-			key, err := os.ReadFile(c.keyPath)
-			if err != nil {
-				return E.Cause(err, "reload key from ", c.keyPath)
-			}
-			c.key = key
-		}
-		keyPair, err := tls.X509KeyPair(c.certificate, c.key)
+	if path == c.certificatePath {
+		certificate, err := os.ReadFile(c.certificatePath)
 		if err != nil {
-			return E.Cause(err, "reload key pair")
+			return E.Cause(err, "reload certificate from ", c.certificatePath)
 		}
-		c.config.Certificates = []tls.Certificate{keyPair}
-		c.logger.Info("reloaded TLS certificate")
-	} else if path == c.echKeyPath {
-		err := reloadECHKeys(c.echKeyPath, c.config)
+		c.certificate = certificate
+	} else if path == c.keyPath {
+		key, err := os.ReadFile(c.keyPath)
 		if err != nil {
-			return err
+			return E.Cause(err, "reload key from ", c.keyPath)
 		}
-		c.logger.Info("reloaded ECH keys")
+		c.key = key
 	}
+	keyPair, err := tls.X509KeyPair(c.certificate, c.key)
+	if err != nil {
+		return E.Cause(err, "reload key pair")
+	}
+	c.config.Certificates = []tls.Certificate{keyPair}
+	c.logger.Info("reloaded TLS certificate")
 	return nil
 }
 
@@ -250,13 +238,6 @@ func NewSTDServer(ctx context.Context, logger log.Logger, options option.Inbound
 			tlsConfig.Certificates = []tls.Certificate{keyPair}
 		}
 	}
-	var echKeyPath string
-	if options.ECH != nil && options.ECH.Enabled {
-		err = parseECHServerConfig(ctx, options, tlsConfig, &echKeyPath)
-		if err != nil {
-			return nil, err
-		}
-	}
 	return &STDServerConfig{
 		config:          tlsConfig,
 		logger:          logger,
@@ -265,6 +246,5 @@ func NewSTDServer(ctx context.Context, logger log.Logger, options option.Inbound
 		key:             key,
 		certificatePath: options.CertificatePath,
 		keyPath:         options.KeyPath,
-		echKeyPath:      echKeyPath,
 	}, nil
 }

constant/dns.go

@@ -15,19 +15,19 @@ const (
 )
 
 const (
-	DNSTypeLegacy      = "legacy"
-	DNSTypeLegacyRcode = "legacy_rcode"
-	DNSTypeUDP         = "udp"
-	DNSTypeTCP         = "tcp"
-	DNSTypeTLS         = "tls"
-	DNSTypeHTTPS       = "https"
-	DNSTypeQUIC        = "quic"
-	DNSTypeHTTP3       = "h3"
-	DNSTypeLocal       = "local"
-	DNSTypeHosts       = "hosts"
-	DNSTypeFakeIP      = "fakeip"
-	DNSTypeDHCP        = "dhcp"
-	DNSTypeTailscale   = "tailscale"
+	DNSTypeLegacy     = "legacy"
+	DNSTypeUDP        = "udp"
+	DNSTypeTCP        = "tcp"
+	DNSTypeTLS        = "tls"
+	DNSTypeHTTPS      = "https"
+	DNSTypeQUIC       = "quic"
+	DNSTypeHTTP3      = "h3"
+	DNSTypeHosts      = "hosts"
+	DNSTypeLocal      = "local"
+	DNSTypePreDefined = "predefined"
+	DNSTypeFakeIP     = "fakeip"
+	DNSTypeDHCP       = "dhcp"
+	DNSTypeTailscale  = "tailscale"
 )
 
 const (

constant/proxy.go

@@ -19,7 +19,6 @@ const (
 	TypeTor          = "tor"
 	TypeSSH          = "ssh"
 	TypeShadowTLS    = "shadowtls"
-	TypeAnyTLS       = "anytls"
 	TypeShadowsocksR = "shadowsocksr"
 	TypeVLESS        = "vless"
 	TypeTUIC         = "tuic"
@@ -78,8 +77,6 @@ func ProxyDisplayName(proxyType string) string {
 		return "TUIC"
 	case TypeHysteria2:
 		return "Hysteria2"
-	case TypeAnyTLS:
-		return "AnyTLS"
 	case TypeSelector:
 		return "Selector"
 	case TypeURLTest:

constant/rule.go

@@ -33,7 +33,6 @@ const (
 	RuleActionTypeHijackDNS    = "hijack-dns"
 	RuleActionTypeSniff        = "sniff"
 	RuleActionTypeResolve      = "resolve"
-	RuleActionTypePredefined   = "predefined"
 )
 
 const (

dns/client.go

@@ -17,7 +17,7 @@ import (
 	"github.com/sagernet/sing/contrab/freelru"
 	"github.com/sagernet/sing/contrab/maphash"
 
-	dns "github.com/miekg/dns"
+	"github.com/miekg/dns"
 )
 
 var (
@@ -484,7 +484,7 @@ func (c *Client) loadResponse(question dns.Question, transport adapter.DNSTransp
 
 func MessageToAddresses(response *dns.Msg) ([]netip.Addr, error) {
 	if response.Rcode != dns.RcodeSuccess && response.Rcode != dns.RcodeNameError {
-		return nil, RcodeError(response.Rcode)
+		return nil, RCodeError(response.Rcode)
 	}
 	addresses := make([]netip.Addr, 0, len(response.Answer))
 	for _, rawAnswer := range response.Answer {
@@ -508,10 +508,10 @@ func wrapError(err error) error {
 	switch dnsErr := err.(type) {
 	case *net.DNSError:
 		if dnsErr.IsNotFound {
-			return RcodeNameError
+			return RCodeNameError
 		}
 	case *net.AddrError:
-		return RcodeNameError
+		return RCodeNameError
 	}
 	return err
 }
@@ -537,7 +537,7 @@ func FixedResponse(id uint16, question dns.Question, addresses []netip.Addr, tim
 		Question: []dns.Question{question},
 	}
 	for _, address := range addresses {
-		if address.Is4() && question.Qtype == dns.TypeA {
+		if address.Is4() {
 			response.Answer = append(response.Answer, &dns.A{
 				Hdr: dns.RR_Header{
 					Name:   question.Name,
@@ -547,7 +547,7 @@ func FixedResponse(id uint16, question dns.Question, addresses []netip.Addr, tim
 				},
 				A: address.AsSlice(),
 			})
-		} else if address.Is6() && question.Qtype == dns.TypeAAAA {
+		} else {
 			response.Answer = append(response.Answer, &dns.AAAA{
 				Hdr: dns.RR_Header{
 					Name:   question.Name,
@@ -561,73 +561,3 @@ func FixedResponse(id uint16, question dns.Question, addresses []netip.Addr, tim
 	}
 	return &response
 }
-
-func FixedResponseCNAME(id uint16, question dns.Question, record string, timeToLive uint32) *dns.Msg {
-	response := dns.Msg{
-		MsgHdr: dns.MsgHdr{
-			Id:       id,
-			Rcode:    dns.RcodeSuccess,
-			Response: true,
-		},
-		Question: []dns.Question{question},
-		Answer: []dns.RR{
-			&dns.CNAME{
-				Hdr: dns.RR_Header{
-					Name:   question.Name,
-					Rrtype: dns.TypeCNAME,
-					Class:  dns.ClassINET,
-					Ttl:    timeToLive,
-				},
-				Target: record,
-			},
-		},
-	}
-	return &response
-}
-
-func FixedResponseTXT(id uint16, question dns.Question, records []string, timeToLive uint32) *dns.Msg {
-	response := dns.Msg{
-		MsgHdr: dns.MsgHdr{
-			Id:       id,
-			Rcode:    dns.RcodeSuccess,
-			Response: true,
-		},
-		Question: []dns.Question{question},
-		Answer: []dns.RR{
-			&dns.TXT{
-				Hdr: dns.RR_Header{
-					Name:   question.Name,
-					Rrtype: dns.TypeA,
-					Class:  dns.ClassINET,
-					Ttl:    timeToLive,
-				},
-				Txt: records,
-			},
-		},
-	}
-	return &response
-}
-
-func FixedResponseMX(id uint16, question dns.Question, records []*net.MX, timeToLive uint32) *dns.Msg {
-	response := dns.Msg{
-		MsgHdr: dns.MsgHdr{
-			Id:       id,
-			Rcode:    dns.RcodeSuccess,
-			Response: true,
-		},
-		Question: []dns.Question{question},
-	}
-	for _, record := range records {
-		response.Answer = append(response.Answer, &dns.MX{
-			Hdr: dns.RR_Header{
-				Name:   question.Name,
-				Rrtype: dns.TypeA,
-				Class:  dns.ClassINET,
-				Ttl:    timeToLive,
-			},
-			Preference: record.Pref,
-			Mx:         record.Host,
-		})
-	}
-	return &response
-}

dns/rcode.go

@@ -1,17 +1,33 @@
 package dns
 
-import (
-	mDNS "github.com/miekg/dns"
-)
+import F "github.com/sagernet/sing/common/format"
 
 const (
-	RcodeFormatError RcodeError = mDNS.RcodeFormatError
-	RcodeNameError   RcodeError = mDNS.RcodeNameError
-	RcodeRefused     RcodeError = mDNS.RcodeRefused
+	RCodeSuccess        RCodeError = 0 // NoError
+	RCodeFormatError    RCodeError = 1 // FormErr
+	RCodeServerFailure  RCodeError = 2 // ServFail
+	RCodeNameError      RCodeError = 3 // NXDomain
+	RCodeNotImplemented RCodeError = 4 // NotImp
+	RCodeRefused        RCodeError = 5 // Refused
 )
 
-type RcodeError int
+type RCodeError uint16
 
-func (e RcodeError) Error() string {
-	return mDNS.RcodeToString[int(e)]
+func (e RCodeError) Error() string {
+	switch e {
+	case RCodeSuccess:
+		return "success"
+	case RCodeFormatError:
+		return "format error"
+	case RCodeServerFailure:
+		return "server failure"
+	case RCodeNameError:
+		return "name error"
+	case RCodeNotImplemented:
+		return "not implemented"
+	case RCodeRefused:
+		return "refused"
+	default:
+		return F.ToString("unknown error: ", uint16(e))
+	}
 }

dns/router.go

@@ -190,8 +190,6 @@ func (r *Router) matchDNS(ctx context.Context, allowFakeIP bool, ruleIndex int,
 				}
 			case *R.RuleActionReject:
 				return nil, currentRule, currentRuleIndex
-			case *R.RuleActionPredefined:
-				return nil, currentRule, currentRuleIndex
 			}
 		}
 	}
@@ -262,21 +260,6 @@ func (r *Router) Exchange(ctx context.Context, message *mDNS.Msg, options adapte
 						case C.RuleActionRejectMethodDrop:
 							return nil, tun.ErrDrop
 						}
-					case *R.RuleActionPredefined:
-						return &mDNS.Msg{
-							MsgHdr: mDNS.MsgHdr{
-								Id:                 message.Id,
-								Response:           true,
-								Authoritative:      true,
-								RecursionDesired:   true,
-								RecursionAvailable: true,
-								Rcode:              action.Rcode,
-							},
-							Question: message.Question,
-							Answer:   action.Answer,
-							Ns:       action.Ns,
-							Extra:    action.Extra,
-						}, nil
 					}
 				}
 				var responseCheck func(responseAddrs []netip.Addr) bool
@@ -346,13 +329,13 @@ func (r *Router) Lookup(ctx context.Context, domain string, options adapter.DNSQ
 			}
 		} else if len(responseAddrs) == 0 {
 			r.logger.ErrorContext(ctx, "lookup failed for ", domain, ": empty result")
-			err = RcodeNameError
+			err = RCodeNameError
 		}
 	}
 	responseAddrs, cached = r.client.LookupCache(domain, options.Strategy)
 	if cached {
 		if len(responseAddrs) == 0 {
-			return nil, RcodeNameError
+			return nil, RCodeNameError
 		}
 		return responseAddrs, nil
 	}
@@ -383,8 +366,7 @@ func (r *Router) Lookup(ctx context.Context, domain string, options adapter.DNSQ
 		ruleIndex = -1
 		for {
 			dnsCtx := adapter.OverrideContext(ctx)
-			dnsOptions := options
-			transport, rule, ruleIndex = r.matchDNS(ctx, false, ruleIndex, true, &dnsOptions)
+			transport, rule, ruleIndex = r.matchDNS(ctx, false, ruleIndex, true, &options)
 			if rule != nil {
 				switch action := rule.Action().(type) {
 				case *R.RuleActionReject:
@@ -394,20 +376,6 @@ func (r *Router) Lookup(ctx context.Context, domain string, options adapter.DNSQ
 					case C.RuleActionRejectMethodDrop:
 						return nil, tun.ErrDrop
 					}
-				case *R.RuleActionPredefined:
-					if action.Rcode != mDNS.RcodeSuccess {
-						err = RcodeError(action.Rcode)
-					} else {
-						for _, answer := range action.Answer {
-							switch record := answer.(type) {
-							case *mDNS.A:
-								responseAddrs = append(responseAddrs, M.AddrFromIP(record.A))
-							case *mDNS.AAAA:
-								responseAddrs = append(responseAddrs, M.AddrFromIP(record.AAAA))
-							}
-						}
-					}
-					goto response
 				}
 			}
 			var responseCheck func(responseAddrs []netip.Addr) bool
@@ -417,17 +385,16 @@ func (r *Router) Lookup(ctx context.Context, domain string, options adapter.DNSQ
 					return rule.MatchAddressLimit(metadata)
 				}
 			}
-			if dnsOptions.Strategy == C.DomainStrategyAsIS {
-				dnsOptions.Strategy = r.defaultDomainStrategy
+			if options.Strategy == C.DomainStrategyAsIS {
+				options.Strategy = r.defaultDomainStrategy
 			}
-			responseAddrs, err = r.client.Lookup(dnsCtx, transport, domain, dnsOptions, responseCheck)
+			responseAddrs, err = r.client.Lookup(dnsCtx, transport, domain, options, responseCheck)
 			if responseCheck == nil || err == nil {
 				break
 			}
 			printResult()
 		}
 	}
-response:
 	printResult()
 	if len(responseAddrs) > 0 {
 		r.logger.InfoContext(ctx, "lookup succeed for ", domain, ": ", strings.Join(F.MapToString(responseAddrs), " "))

dns/transport/fakeip/fakeip.go

@@ -55,7 +55,7 @@ func (t *Transport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg,
 	if question.Qtype != mDNS.TypeA && question.Qtype != mDNS.TypeAAAA {
 		return nil, E.New("only IP queries are supported by fakeip")
 	}
-	address, err := t.store.Create(dns.FqdnToDomain(question.Name), question.Qtype == mDNS.TypeAAAA)
+	address, err := t.store.Create(question.Name, question.Qtype == mDNS.TypeAAAA)
 	if err != nil {
 		return nil, err
 	}

dns/transport/hosts/hosts.go

@@ -2,15 +2,12 @@ package hosts
 
 import (
 	"context"
-	"net/netip"
-	"os"
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/dns"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing/service/filemanager"
 
 	mDNS "github.com/miekg/dns"
 )
@@ -23,31 +20,21 @@ var _ adapter.DNSTransport = (*Transport)(nil)
 
 type Transport struct {
 	dns.TransportAdapter
-	files      []*File
-	predefined map[string][]netip.Addr
+	files []*File
 }
 
 func NewTransport(ctx context.Context, logger log.ContextLogger, tag string, options option.HostsDNSServerOptions) (adapter.DNSTransport, error) {
-	var (
-		files      []*File
-		predefined = make(map[string][]netip.Addr)
-	)
+	var files []*File
 	if len(options.Path) == 0 {
 		files = append(files, NewFile(DefaultPath))
 	} else {
 		for _, path := range options.Path {
-			files = append(files, NewFile(filemanager.BasePath(ctx, os.ExpandEnv(path))))
-		}
-	}
-	if options.Predefined != nil {
-		for _, entry := range options.Predefined.Entries() {
-			predefined[mDNS.CanonicalName(entry.Key)] = entry.Value
+			files = append(files, NewFile(path))
 		}
 	}
 	return &Transport{
 		TransportAdapter: dns.NewTransportAdapter(C.DNSTypeHosts, tag, nil),
 		files:            files,
-		predefined:       predefined,
 	}, nil
 }
 
@@ -56,11 +43,8 @@ func (t *Transport) Reset() {
 
 func (t *Transport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg, error) {
 	question := message.Question[0]
-	domain := mDNS.CanonicalName(question.Name)
+	domain := dns.FqdnToDomain(question.Name)
 	if question.Qtype == mDNS.TypeA || question.Qtype == mDNS.TypeAAAA {
-		if addresses, ok := t.predefined[domain]; ok {
-			return dns.FixedResponse(message.Id, question, addresses, C.DefaultDNSTTL), nil
-		}
 		for _, file := range t.files {
 			addresses := file.Lookup(domain)
 			if len(addresses) > 0 {

dns/transport/hosts/hosts_file.go

@@ -34,7 +34,7 @@ func (f *File) Lookup(name string) []netip.Addr {
 	f.access.Lock()
 	defer f.access.Unlock()
 	f.update()
-	return f.byName[dns.CanonicalName(name)]
+	return f.byName[name]
 }
 
 func (f *File) update() {

dns/transport/hosts/hosts_test.go

@@ -11,6 +11,6 @@ import (
 
 func TestHosts(t *testing.T) {
 	t.Parallel()
-	require.Equal(t, []netip.Addr{netip.AddrFrom4([4]byte{127, 0, 0, 1}), netip.IPv6Loopback()}, hosts.NewFile("testdata/hosts").Lookup("localhost"))
-	require.NotEmpty(t, hosts.NewFile(hosts.DefaultPath).Lookup("localhost"))
+	require.Equal(t, []netip.Addr{netip.AddrFrom4([4]byte{127, 0, 0, 1}), netip.IPv6Loopback()}, hosts.NewFile("testdata/hosts").Lookup("localhost."))
+	require.NotEmpty(t, hosts.NewFile(hosts.DefaultPath).Lookup("localhost."))
 }

dns/transport/https.go

@@ -91,7 +91,7 @@ func NewHTTPS(ctx context.Context, logger log.ContextLogger, tag string, options
 	if err != nil {
 		return nil, err
 	}
-	serverAddr := options.DNSServerAddressOptions.Build()
+	serverAddr := options.ServerOptions.Build()
 	if serverAddr.Port == 0 {
 		serverAddr.Port = 443
 	}

dns/transport/local/local.go

@@ -19,11 +19,14 @@ import (
 	mDNS "github.com/miekg/dns"
 )
 
+func RegisterTransport(registry *dns.TransportRegistry) {
+	dns.RegisterTransport[option.LocalDNSServerOptions](registry, C.DNSTypeLocal, NewTransport)
+}
+
 var _ adapter.DNSTransport = (*Transport)(nil)
 
 type Transport struct {
 	dns.TransportAdapter
-	ctx    context.Context
 	hosts  *hosts.File
 	dialer N.Dialer
 }
@@ -139,9 +142,6 @@ func (t *Transport) tryOneName(ctx context.Context, config *dnsConfig, fqdn stri
 }
 
 func (t *Transport) exchangeOne(ctx context.Context, server M.Socksaddr, question mDNS.Question, timeout time.Duration, useTCP, ad bool) (*mDNS.Msg, error) {
-	if server.Port == 0 {
-		server.Port = 53
-	}
 	var networks []string
 	if useTCP {
 		networks = []string{N.NetworkTCP}

dns/transport/local/local_fallback.go

@@ -1,205 +0,0 @@
-package local
-
-import (
-	"context"
-	"errors"
-	"net"
-
-	"github.com/sagernet/sing-box/adapter"
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/dns"
-	"github.com/sagernet/sing-box/experimental/libbox/platform"
-	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-box/option"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/service"
-
-	mDNS "github.com/miekg/dns"
-)
-
-func RegisterTransport(registry *dns.TransportRegistry) {
-	dns.RegisterTransport[option.LocalDNSServerOptions](registry, C.DNSTypeLocal, NewFallbackTransport)
-}
-
-type FallbackTransport struct {
-	adapter.DNSTransport
-	ctx      context.Context
-	fallback bool
-	resolver net.Resolver
-}
-
-func NewFallbackTransport(ctx context.Context, logger log.ContextLogger, tag string, options option.LocalDNSServerOptions) (adapter.DNSTransport, error) {
-	transport, err := NewTransport(ctx, logger, tag, options)
-	if err != nil {
-		return nil, err
-	}
-	return &FallbackTransport{
-		DNSTransport: transport,
-		ctx:          ctx,
-	}, nil
-}
-
-func (f *FallbackTransport) Start(stage adapter.StartStage) error {
-	if stage != adapter.StartStateStart {
-		return nil
-	}
-	platformInterface := service.FromContext[platform.Interface](f.ctx)
-	if platformInterface == nil {
-		return nil
-	}
-	inboundManager := service.FromContext[adapter.InboundManager](f.ctx)
-	for _, inbound := range inboundManager.Inbounds() {
-		if inbound.Type() == C.TypeTun {
-			// platform tun hijacks DNS, so we can only use cgo resolver here
-			f.fallback = true
-			break
-		}
-	}
-	return nil
-}
-
-func (f *FallbackTransport) Close() error {
-	return nil
-}
-
-func (f *FallbackTransport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg, error) {
-	if !f.fallback {
-		return f.DNSTransport.Exchange(ctx, message)
-	}
-	question := message.Question[0]
-	domain := dns.FqdnToDomain(question.Name)
-	if question.Qtype == mDNS.TypeA || question.Qtype == mDNS.TypeAAAA {
-		var network string
-		if question.Qtype == mDNS.TypeA {
-			network = "ip4"
-		} else {
-			network = "ip6"
-		}
-		addresses, err := f.resolver.LookupNetIP(ctx, network, domain)
-		if err != nil {
-			var dnsError *net.DNSError
-			if errors.As(err, &dnsError) && dnsError.IsNotFound {
-				return nil, dns.RcodeRefused
-			}
-			return nil, err
-		}
-		return dns.FixedResponse(message.Id, question, addresses, C.DefaultDNSTTL), nil
-	} else if question.Qtype == mDNS.TypeNS {
-		records, err := f.resolver.LookupNS(ctx, domain)
-		if err != nil {
-			var dnsError *net.DNSError
-			if errors.As(err, &dnsError) && dnsError.IsNotFound {
-				return nil, dns.RcodeRefused
-			}
-			return nil, err
-		}
-		response := &mDNS.Msg{
-			MsgHdr: mDNS.MsgHdr{
-				Id:       message.Id,
-				Rcode:    mDNS.RcodeSuccess,
-				Response: true,
-			},
-			Question: []mDNS.Question{question},
-		}
-		for _, record := range records {
-			response.Answer = append(response.Answer, &mDNS.NS{
-				Hdr: mDNS.RR_Header{
-					Name:   question.Name,
-					Rrtype: mDNS.TypeNS,
-					Class:  mDNS.ClassINET,
-					Ttl:    C.DefaultDNSTTL,
-				},
-				Ns: record.Host,
-			})
-		}
-		return response, nil
-	} else if question.Qtype == mDNS.TypeCNAME {
-		cname, err := f.resolver.LookupCNAME(ctx, domain)
-		if err != nil {
-			var dnsError *net.DNSError
-			if errors.As(err, &dnsError) && dnsError.IsNotFound {
-				return nil, dns.RcodeRefused
-			}
-			return nil, err
-		}
-		return &mDNS.Msg{
-			MsgHdr: mDNS.MsgHdr{
-				Id:       message.Id,
-				Rcode:    mDNS.RcodeSuccess,
-				Response: true,
-			},
-			Question: []mDNS.Question{question},
-			Answer: []mDNS.RR{
-				&mDNS.CNAME{
-					Hdr: mDNS.RR_Header{
-						Name:   question.Name,
-						Rrtype: mDNS.TypeCNAME,
-						Class:  mDNS.ClassINET,
-						Ttl:    C.DefaultDNSTTL,
-					},
-					Target: cname,
-				},
-			},
-		}, nil
-	} else if question.Qtype == mDNS.TypeTXT {
-		records, err := f.resolver.LookupTXT(ctx, domain)
-		if err != nil {
-			var dnsError *net.DNSError
-			if errors.As(err, &dnsError) && dnsError.IsNotFound {
-				return nil, dns.RcodeRefused
-			}
-			return nil, err
-		}
-		return &mDNS.Msg{
-			MsgHdr: mDNS.MsgHdr{
-				Id:       message.Id,
-				Rcode:    mDNS.RcodeSuccess,
-				Response: true,
-			},
-			Question: []mDNS.Question{question},
-			Answer: []mDNS.RR{
-				&mDNS.TXT{
-					Hdr: mDNS.RR_Header{
-						Name:   question.Name,
-						Rrtype: mDNS.TypeCNAME,
-						Class:  mDNS.ClassINET,
-						Ttl:    C.DefaultDNSTTL,
-					},
-					Txt: records,
-				},
-			},
-		}, nil
-	} else if question.Qtype == mDNS.TypeMX {
-		records, err := f.resolver.LookupMX(ctx, domain)
-		if err != nil {
-			var dnsError *net.DNSError
-			if errors.As(err, &dnsError) && dnsError.IsNotFound {
-				return nil, dns.RcodeRefused
-			}
-			return nil, err
-		}
-		response := &mDNS.Msg{
-			MsgHdr: mDNS.MsgHdr{
-				Id:       message.Id,
-				Rcode:    mDNS.RcodeSuccess,
-				Response: true,
-			},
-			Question: []mDNS.Question{question},
-		}
-		for _, record := range records {
-			response.Answer = append(response.Answer, &mDNS.MX{
-				Hdr: mDNS.RR_Header{
-					Name:   question.Name,
-					Rrtype: mDNS.TypeA,
-					Class:  mDNS.ClassINET,
-					Ttl:    C.DefaultDNSTTL,
-				},
-				Preference: record.Pref,
-				Mx:         record.Host,
-			})
-		}
-		return response, nil
-	} else {
-		return nil, E.New("only A, AAAA, NS, CNAME, TXT, MX queries are supported on current platform when using TUN, please switch to a fixed DNS server.")
-	}
-}

dns/transport/local/resolv_darwin_cgo.go

@@ -1,53 +0,0 @@
-//go:build darwin && cgo
-
-package local
-
-/*
-#include <stdlib.h>
-#include <stdio.h>
-#include <resolv.h>
-#include <arpa/inet.h>
-*/
-import "C"
-
-import (
-	"time"
-
-	E "github.com/sagernet/sing/common/exceptions"
-
-	"github.com/miekg/dns"
-)
-
-func dnsReadConfig(_ string) *dnsConfig {
-	if C.res_init() != 0 {
-		return &dnsConfig{
-			servers:  defaultNS,
-			search:   dnsDefaultSearch(),
-			ndots:    1,
-			timeout:  5 * time.Second,
-			attempts: 2,
-			err:      E.New("libresolv initialization failed"),
-		}
-	}
-	conf := &dnsConfig{
-		ndots:    1,
-		timeout:  5 * time.Second,
-		attempts: int(C._res.retry),
-	}
-	for i := 0; i < int(C._res.nscount); i++ {
-		ns := C._res.nsaddr_list[i]
-		addr := C.inet_ntoa(ns.sin_addr)
-		if addr == nil {
-			continue
-		}
-		conf.servers = append(conf.servers, C.GoString(addr))
-	}
-	for i := 0; ; i++ {
-		search := C._res.dnsrch[i]
-		if search == nil {
-			break
-		}
-		conf.search = append(conf.search, dns.Fqdn(C.GoString(search)))
-	}
-	return conf
-}

dns/transport/local/resolv_default.go

@@ -1,23 +0,0 @@
-package local
-
-import (
-	"os"
-	"strings"
-	_ "unsafe"
-
-	"github.com/miekg/dns"
-)
-
-//go:linkname defaultNS net.defaultNS
-var defaultNS []string
-
-func dnsDefaultSearch() []string {
-	hn, err := os.Hostname()
-	if err != nil {
-		return nil
-	}
-	if i := strings.IndexRune(hn, '.'); i >= 0 && i < len(hn)-1 {
-		return []string{dns.Fqdn(hn[i+1:])}
-	}
-	return nil
-}

dns/transport/local/resolv_unix.go

@@ -1,4 +1,4 @@
-//go:build !windows && !(darwin && cgo)
+//go:build !windows
 
 package local
 
@@ -9,8 +9,7 @@ import (
 	"os"
 	"strings"
 	"time"
-
-	"github.com/miekg/dns"
+	_ "unsafe"
 )
 
 func dnsReadConfig(name string) *dnsConfig {
@@ -70,13 +69,13 @@ func dnsReadConfig(name string) *dnsConfig {
 			}
 		case "domain":
 			if len(f) > 1 {
-				conf.search = []string{dns.Fqdn(f[1])}
+				conf.search = []string{ensureRooted(f[1])}
 			}
 
 		case "search":
 			conf.search = make([]string, 0, len(f)-1)
 			for i := 1; i < len(f); i++ {
-				name := dns.Fqdn(f[i])
+				name := ensureRooted(f[i])
 				if name == "." {
 					continue
 				}
@@ -138,6 +137,27 @@ func dnsReadConfig(name string) *dnsConfig {
 	return conf
 }
 
+//go:linkname defaultNS net.defaultNS
+var defaultNS []string
+
+func dnsDefaultSearch() []string {
+	hn, err := os.Hostname()
+	if err != nil {
+		return nil
+	}
+	if i := strings.IndexRune(hn, '.'); i >= 0 && i < len(hn)-1 {
+		return []string{ensureRooted(hn[i+1:])}
+	}
+	return nil
+}
+
+func ensureRooted(s string) string {
+	if len(s) > 0 && s[len(s)-1] == '.' {
+		return s
+	}
+	return s + "."
+}
+
 const big = 0xFFFFFF
 
 func dtoi(s string) (n int, i int, ok bool) {

dns/transport/local/resolv_windows.go

@@ -69,6 +69,9 @@ func dnsReadConfig(_ string) *dnsConfig {
 	return conf
 }
 
+//go:linkname defaultNS net.defaultNS
+var defaultNS []string
+
 func adapterAddresses() ([]*windows.IpAdapterAddresses, error) {
 	var b []byte
 	l := uint32(15000) // recommended initial size

dns/transport/predefined.go

@@ -0,0 +1,82 @@
+package transport
+
+import (
+	"context"
+
+	"github.com/sagernet/sing-box/adapter"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/dns"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+
+	mDNS "github.com/miekg/dns"
+)
+
+var _ adapter.DNSTransport = (*PredefinedTransport)(nil)
+
+func RegisterPredefined(registry *dns.TransportRegistry) {
+	dns.RegisterTransport[option.PredefinedDNSServerOptions](registry, C.DNSTypePreDefined, NewPredefined)
+}
+
+type PredefinedTransport struct {
+	dns.TransportAdapter
+	responses []*predefinedResponse
+}
+
+type predefinedResponse struct {
+	questions []mDNS.Question
+	answer    *mDNS.Msg
+}
+
+func NewPredefined(ctx context.Context, logger log.ContextLogger, tag string, options option.PredefinedDNSServerOptions) (adapter.DNSTransport, error) {
+	var responses []*predefinedResponse
+	for _, response := range options.Responses {
+		questions, msg, err := response.Build()
+		if err != nil {
+			return nil, err
+		}
+		responses = append(responses, &predefinedResponse{
+			questions: questions,
+			answer:    msg,
+		})
+	}
+	if len(responses) == 0 {
+		return nil, E.New("empty predefined responses")
+	}
+	return &PredefinedTransport{
+		TransportAdapter: dns.NewTransportAdapter(C.DNSTypePreDefined, tag, nil),
+		responses:        responses,
+	}, nil
+}
+
+func (t *PredefinedTransport) Reset() {
+}
+
+func (t *PredefinedTransport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg, error) {
+	for _, response := range t.responses {
+		for _, question := range response.questions {
+			if func() bool {
+				if question.Name == "" && question.Qtype == mDNS.TypeNone {
+					return true
+				} else if question.Name == "" {
+					return common.Any(message.Question, func(it mDNS.Question) bool {
+						return it.Qtype == question.Qtype
+					})
+				} else if question.Qtype == mDNS.TypeNone {
+					return common.Any(message.Question, func(it mDNS.Question) bool {
+						return it.Name == question.Name
+					})
+				} else {
+					return common.Contains(message.Question, question)
+				}
+			}() {
+				copyAnswer := *response.answer
+				copyAnswer.Id = message.Id
+				return &copyAnswer, nil
+			}
+		}
+	}
+	return nil, dns.RCodeNameError
+}

dns/transport/quic/http3.go

@@ -23,6 +23,7 @@ import (
 	"github.com/sagernet/sing/common/bufio"
 	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/logger"
+	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 	sHTTP "github.com/sagernet/sing/protocol/http"
 
@@ -71,7 +72,7 @@ func NewHTTP3(ctx context.Context, logger log.ContextLogger, tag string, options
 		}
 	}
 	destinationURL := url.URL{
-		Scheme: "https",
+		Scheme: "HTTP3",
 		Host:   host,
 	}
 	if destinationURL.Host == "" {
@@ -88,7 +89,7 @@ func NewHTTP3(ctx context.Context, logger log.ContextLogger, tag string, options
 	if err != nil {
 		return nil, err
 	}
-	serverAddr := options.DNSServerAddressOptions.Build()
+	serverAddr := options.ServerOptions.Build()
 	if serverAddr.Port == 0 {
 		serverAddr.Port = 443
 	}
@@ -100,7 +101,8 @@ func NewHTTP3(ctx context.Context, logger log.ContextLogger, tag string, options
 		headers:          headers,
 		transport: &http3.Transport{
 			Dial: func(ctx context.Context, addr string, tlsCfg *tls.STDConfig, cfg *quic.Config) (quic.EarlyConnection, error) {
-				conn, dialErr := transportDialer.DialContext(ctx, N.NetworkUDP, serverAddr)
+				destinationAddr := M.ParseSocksaddr(addr)
+				conn, dialErr := transportDialer.DialContext(ctx, N.NetworkUDP, destinationAddr)
 				if dialErr != nil {
 					return nil, dialErr
 				}

dns/transport/quic/quic.go

@@ -54,7 +54,7 @@ func NewQUIC(ctx context.Context, logger log.ContextLogger, tag string, options
 	if len(tlsConfig.NextProtos()) == 0 {
 		tlsConfig.SetNextProtos([]string{"doq"})
 	}
-	serverAddr := options.DNSServerAddressOptions.Build()
+	serverAddr := options.ServerOptions.Build()
 	if serverAddr.Port == 0 {
 		serverAddr.Port = 853
 	}

dns/transport/tcp.go

@@ -35,7 +35,7 @@ func NewTCP(ctx context.Context, logger log.ContextLogger, tag string, options o
 	if err != nil {
 		return nil, err
 	}
-	serverAddr := options.DNSServerAddressOptions.Build()
+	serverAddr := options.ServerOptions.Build()
 	if serverAddr.Port == 0 {
 		serverAddr.Port = 53
 	}

dns/transport/tls.go

@@ -52,7 +52,7 @@ func NewTLS(ctx context.Context, logger log.ContextLogger, tag string, options o
 	if err != nil {
 		return nil, err
 	}
-	serverAddr := options.DNSServerAddressOptions.Build()
+	serverAddr := options.ServerOptions.Build()
 	if serverAddr.Port == 0 {
 		serverAddr.Port = 853
 	}

dns/transport/udp.go

@@ -42,7 +42,7 @@ func NewUDP(ctx context.Context, logger log.ContextLogger, tag string, options o
 	if err != nil {
 		return nil, err
 	}
-	serverAddr := options.DNSServerAddressOptions.Build()
+	serverAddr := options.ServerOptions.Build()
 	if serverAddr.Port == 0 {
 		serverAddr.Port = 53
 	}
@@ -110,6 +110,13 @@ func (t *UDPTransport) exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.M
 		conn.access.Lock()
 		delete(conn.callbacks, messageId)
 		conn.access.Unlock()
+		callback.access.Lock()
+		select {
+		case <-callback.done:
+		default:
+			close(callback.done)
+		}
+		callback.access.Unlock()
 	}()
 	rawMessage, err := exMessage.PackBuffer(buffer.FreeBytes())
 	if err != nil {

dns/transport_manager.go

@@ -56,12 +56,12 @@ func (m *TransportManager) Start(stage adapter.StartStage) error {
 	}
 	m.started = true
 	m.stage = stage
-	transports := m.transports
+	outbounds := m.transports
 	m.access.Unlock()
 	if stage == adapter.StartStateStart {
 		return m.startTransports(m.transports)
 	} else {
-		for _, outbound := range transports {
+		for _, outbound := range outbounds {
 			err := adapter.LegacyStart(outbound, stage)
 			if err != nil {
 				return E.Cause(err, stage, " dns/", outbound.Type(), "[", outbound.Tag(), "]")

docs/changelog.md

@@ -2,81 +2,10 @@
 icon: material/alert-decagram
 ---
 
-#### 1.12.0-alpha.18
-
-* Add wildcard SNI support for ShadowTLS inbound **1**
-* Fixes and improvements
-
-**1**:
-
-See [ShadowTLS](/configuration/inbound/shadowtls/#wildcard_sni).
-
-#### 1.12.0-alpha.17
-
-* Add NTP sniffer **1**
-* Fixes and improvements
-
-**1**:
-
-See [Protocol Sniff](/configuration/route/sniff/).
-
-#### 1.12.0-alpha.16
-
-* Update `domain_resolver` behavior **1**
-* Fixes and improvements
-
-**1**:
-
-`route.default_domain_resolver` or `outbound.domain_resolver` is now optional when only one DNS server is configured.
-
-See [Dial Fields](/configuration/shared/dial/#domain_resolver).
-
-### 1.11.5
+#### 1.12.0-alpha.8
 
 * Fixes and improvements
 
-_We are temporarily unable to update sing-box apps on the App Store because the reviewer mistakenly found that we violated the rules (TestFlight users are not affected)._
-
-#### 1.12.0-alpha.13
-
-* Move `predefined` DNS server to DNS rule action **1**
-* Fixes and improvements
-
-**1**:
-
-See [DNS Rule Action](/configuration/dns/rule_action/#predefined).
-
-### 1.11.4
-
-* Fixes and improvements
-
-#### 1.12.0-alpha.11
-
-* Fixes and improvements
-
-#### 1.12.0-alpha.10
-
-* Add AnyTLS protocol **1**
-* Improve `resolve` route action **2**
-* Migrate to stdlib ECH implementation **3**
-* Fixes and improvements
-
-**1**:
-
-The new AnyTLS protocol claims to mitigate TLS proxy traffic characteristics and comes with a new multiplexing scheme.
-
-See [AnyTLS Inbound](/configuration/inbound/anytls/) and [AnyTLS Outbound](/configuration/outbound/anytls/).
-
-**2**:
-
-`resolve` route action now accepts `disable_cache` and other options like in DNS route actions, see [Route Action](/configuration/route/rule_action).
-
-**3**:
-
-See [TLS](/configuration/shared/tls).
-
-The build tag `with_ech` is no longer needed and has been removed.
-
 #### 1.12.0-alpha.7
 
 * Add Tailscale DNS server **1**

docs/clients/apple/index.md

@@ -7,10 +7,6 @@ icon: material/apple
 SFI/SFM/SFT allows users to manage and run local or remote sing-box configuration files, and provides
 platform-specific function implementation, such as TUN transparent proxy implementation.
 
-!!! failure ""
-
-    We are temporarily unable to update sing-box apps on the App Store because the reviewer mistakenly found that we violated the rules (TestFlight users are not affected).
-
 ## :material-graph: Requirements
 
 * iOS 15.0+ / macOS 13.0+ / Apple tvOS 17.0+

docs/configuration/dns/rule.md

@@ -4,7 +4,6 @@ icon: material/alert-decagram
 
 !!! quote "Changes in sing-box 1.12.0"
 
-    :material-plus: [ip_accept_any](#ip_accept_any)  
     :material-delete-clock: [outbound](#outbound)
 
 !!! quote "Changes in sing-box 1.11.0"
@@ -78,6 +77,15 @@ icon: material/alert-decagram
         "domain_regex": [
           "^stun\\..+"
         ],
+        "geosite": [
+          "cn"
+        ],
+        "source_geoip": [
+          "private"
+        ],
+        "geoip": [
+          "cn"
+        ],
         "source_ip_cidr": [
           "10.0.0.0/24",
           "192.168.0.1"
@@ -88,7 +96,6 @@ icon: material/alert-decagram
           "192.168.0.1"
         ],
         "ip_is_private": false,
-        "ip_accept_any": false,
         "source_port": [
           12345
         ],
@@ -140,6 +147,8 @@ icon: material/alert-decagram
           "geoip-cn",
           "geosite-cn"
         ],
+        // deprecated
+        "rule_set_ipcidr_match_source": false,
         "rule_set_ip_cidr_match_source": false,
         "rule_set_ip_cidr_accept_empty": false,
         "invert": false,
@@ -147,20 +156,7 @@ icon: material/alert-decagram
           "direct"
         ],
         "action": "route",
-        "server": "local",
-
-        // Deprecated
-        
-        "rule_set_ipcidr_match_source": false,
-        "geosite": [
-          "cn"
-        ],
-        "source_geoip": [
-          "private"
-        ],
-        "geoip": [
-          "cn"
-        ]
+        "server": "local"
       },
       {
         "type": "logical",
@@ -455,9 +451,7 @@ Only takes effect for address requests (A/AAAA/HTTPS). When the query results do
 
 #### geoip
 
-!!! failure "Removed in sing-box 1.12.0"
-
-    GeoIP is deprecated in sing-box 1.8.0 and removed in sing-box 1.12.0, check [Migration](/migration/#migrate-geoip-to-rule-sets).
+!!! question "Since sing-box 1.9.0"
 
 Match GeoIP with query response.
 
@@ -479,12 +473,6 @@ Match private IP with query response.
 
 Make `ip_cidr` rules in rule-sets accept empty query response.
 
-#### ip_accept_any
-
-!!! question "Since sing-box 1.12.0"
-
-Match any IP with query response.
-
 ### Logical Fields
 
 #### type

docs/configuration/dns/rule.zh.md

@@ -4,7 +4,6 @@ icon: material/alert-decagram
 
 !!! quote "sing-box 1.12.0 中的更改"
 
-    :material-plus: [ip_accept_any](#ip_accept_any)  
     :material-delete-clock: [outbound](#outbound)
 
 !!! quote "sing-box 1.11.0 中的更改"
@@ -78,6 +77,15 @@ icon: material/alert-decagram
         "domain_regex": [
           "^stun\\..+"
         ],
+        "geosite": [
+          "cn"
+        ],
+        "source_geoip": [
+          "private"
+        ],
+        "geoip": [
+          "cn"
+        ],
         "source_ip_cidr": [
           "10.0.0.0/24",
           "192.168.0.1"
@@ -88,7 +96,6 @@ icon: material/alert-decagram
           "192.168.0.1"
         ],
         "ip_is_private": false,
-        "ip_accept_any": false,
         "source_port": [
           12345
         ],
@@ -140,6 +147,8 @@ icon: material/alert-decagram
           "geoip-cn",
           "geosite-cn"
         ],
+        // 已弃用
+        "rule_set_ipcidr_match_source": false,
         "rule_set_ip_cidr_match_source": false,
         "rule_set_ip_cidr_accept_empty": false,
         "invert": false,
@@ -147,19 +156,7 @@ icon: material/alert-decagram
           "direct"
         ],
         "action": "route",
-        "server": "local",
-
-        // 已弃用
-        "rule_set_ipcidr_match_source": false,
-        "geosite": [
-          "cn"
-        ],
-        "source_geoip": [
-          "private"
-        ],
-        "geoip": [
-          "cn"
-        ]
+        "server": "local"
       },
       {
         "type": "logical",
@@ -235,17 +232,17 @@ DNS 查询类型。值可以为整数或者类型名称字符串。
 
 #### geosite
 
-!!! failure "已在 sing-box 1.12.0 中被移除"
+!!! failure "已在 sing-box 1.8.0 废弃"
 
-    GeoSite 已在 sing-box 1.8.0 废弃且在 sing-box 1.12.0 中被移除，参阅 [迁移指南](/zh/migration/#geosite)。
+    Geosite 已废弃且可能在不久的将来移除，参阅 [迁移指南](/zh/migration/#geosite)。
 
 匹配 Geosite。
 
 #### source_geoip
 
-!!! failure "已在 sing-box 1.12.0 中被移除"
+!!! failure "已在 sing-box 1.8.0 废弃"
 
-    GeoIP 已在 sing-box 1.8.0 废弃且在 sing-box 1.12.0 中被移除，参阅 [迁移指南](/zh/migration/#geoip)。
+    GeoIP 已废弃且可能在不久的将来移除，参阅 [迁移指南](/zh/migration/#geoip)。
 
 匹配源 GeoIP。
 
@@ -454,10 +451,7 @@ Available values: `wifi`, `cellular`, `ethernet` and `other`.
 
 #### geoip
 
-!!! failure "已在 sing-box 1.12.0 中被移除"
-
-    GeoIP 已在 sing-box 1.8.0 废弃且在 sing-box 1.12.0 中被移除，参阅 [迁移指南](/zh/migration/#geoip)。
-
+!!! question "自 sing-box 1.9.0 起"
 
 与查询响应匹配 GeoIP。
 
@@ -473,12 +467,6 @@ Available values: `wifi`, `cellular`, `ethernet` and `other`.
 
 与查询响应匹配非公开 IP。
 
-#### ip_accept_any
-
-!!! question "自 sing-box 1.12.0 起"
-
-匹配任意 IP。
-
 #### rule_set_ip_cidr_accept_empty
 
 !!! question "自 sing-box 1.10.0 起"

docs/configuration/dns/rule_action.md

@@ -4,8 +4,7 @@ icon: material/new-box
 
 !!! quote "Changes in sing-box 1.12.0"
 
-    :material-plus: [strategy](#strategy)  
-    :material-plus: [predefined](#predefined)
+    :material-plus: [strategy](#strategy)
 
 !!! question "Since sing-box 1.11.0"
 
@@ -17,7 +16,7 @@ icon: material/new-box
   "server": "",
   "strategy": "",
   "disable_cache": false,
-  "rewrite_ttl": null,
+  "rewrite_ttl": 0,
   "client_subnet": null
 }
 ```
@@ -32,8 +31,6 @@ Tag of target server.
 
 #### strategy
 
-!!! question "Since sing-box 1.12.0"
-
 Set domain strategy for this query.
 
 One of `prefer_ipv4` `prefer_ipv6` `ipv4_only` `ipv6_only`.
@@ -52,7 +49,7 @@ Append a `edns0-subnet` OPT extra record with the specified IP prefix to every q
 
 If value is an IP address instead of prefix, `/32` or `/128` will be appended automatically.
 
-Will overrides `dns.client_subnet`.
+Will overrides `dns.client_subnet` and `servers.[].client_subnet`.
 
 ### route-options
 
@@ -72,7 +69,7 @@ Will overrides `dns.client_subnet`.
 ```json
 {
   "action": "reject",
-  "method": "",
+  "method": "default", // default
   "no_drop": false
 }
 ```
@@ -84,61 +81,8 @@ Will overrides `dns.client_subnet`.
 - `default`: Reply with NXDOMAIN.
 - `drop`: Drop the request.
 
-`default` will be used by default.
-
 #### no_drop
 
 If not enabled, `method` will be temporarily overwritten to `drop` after 50 triggers in 30s.
 
 Not available when `method` is set to drop.
-
-### predefined
-
-!!! question "Since sing-box 1.12.0"
-
-```json
-{
-  "action": "predefined",
-  "rcode": "",
-  "answer": [],
-  "ns": [],
-  "extra": []
-}
-```
-
-`predefined` responds with predefined DNS records.
-
-#### rcode
-
-The response code.
-
-| Value      | Value in the legacy rcode server | Description     |
-|------------|----------------------------------|-----------------|
-| `NOERROR`  | `success`                        | Ok              |
-| `FORMERR`  | `format_error`                   | Bad request     |
-| `SERVFAIL` | `server_failure`                 | Server failure  |
-| `NXDOMAIN` | `name_error`                     | Not found       |
-| `NOTIMP`   | `not_implemented`                | Not implemented |
-| `REFUSED`  | `refused`                        | Refused         |
-
-`NOERROR` will be used by default.
-
-#### answer
-
-List of text DNS record to respond as answers.
-
-Examples:
-
-| Record Type | Example                       |
-|-------------|-------------------------------|
-| `A`         | `localhost. IN A 127.0.0.1`   |
-| `AAAA`      | `localhost. IN AAAA ::1`      |
-| `TXT`       | `localhost. IN TXT \"Hello\"` |
-
-#### ns
-
-List of text DNS record to respond as name servers.
-
-#### extra
-
-List of text DNS record to respond as extra records.

docs/configuration/dns/rule_action.zh.md

@@ -4,8 +4,7 @@ icon: material/new-box
 
 !!! quote "sing-box 1.12.0 中的更改"
 
-    :material-plus: [strategy](#strategy)  
-    :material-plus: [predefined](#predefined)
+    :material-plus: [strategy](#strategy)
 
 !!! question "自 sing-box 1.11.0 起"
 
@@ -13,11 +12,12 @@ icon: material/new-box
 
 ```json
 {
-  "action": "route", // 默认
+  "action": "route",  // 默认
   "server": "",
+
   "strategy": "",
   "disable_cache": false,
-  "rewrite_ttl": null,
+  "rewrite_ttl": 0,
   "client_subnet": null
 }
 ```
@@ -32,8 +32,6 @@ icon: material/new-box
 
 #### strategy
 
-!!! question "自 sing-box 1.12.0 起"
-
 为此查询设置域名策略。
 
 可选项：`prefer_ipv4` `prefer_ipv6` `ipv4_only` `ipv6_only`。
@@ -52,7 +50,7 @@ icon: material/new-box
 
 如果值是 IP 地址而不是前缀，则会自动附加 `/32` 或 `/128`。
 
-将覆盖 `dns.client_subnet`.
+将覆盖 `dns.client_subnet` 与 `servers.[].client_subnet`。
 
 ### route-options
 
@@ -72,7 +70,7 @@ icon: material/new-box
 ```json
 {
   "action": "reject",
-  "method": "",
+  "method": "default", // default
   "no_drop": false
 }
 ```
@@ -84,61 +82,8 @@ icon: material/new-box
 - `default`: 返回 NXDOMAIN。
 - `drop`: 丢弃请求。
 
-默认使用 `defualt`。
-
 #### no_drop
 
 如果未启用，则 30 秒内触发 50 次后，`method` 将被暂时覆盖为 `drop`。
 
 当 `method` 设为 `drop` 时不可用。
-
-### predefined
-
-!!! question "自 sing-box 1.12.0 起"
-
-```json
-{
-  "action": "predefined",
-  "rcode": "",
-  "answer": [],
-  "ns": [],
-  "extra": []
-}
-```
-
-`predefined` 以预定义的 DNS 记录响应。
-
-#### rcode
-
-响应码。
-
-| 值          | 旧 rcode DNS 服务器中的值 | 描述              |
-|------------|--------------------|-----------------|
-| `NOERROR`  | `success`          | Ok              |
-| `FORMERR`  | `format_error`     | Bad request     |
-| `SERVFAIL` | `server_failure`   | Server failure  |
-| `NXDOMAIN` | `name_error`       | Not found       |
-| `NOTIMP`   | `not_implemented`  | Not implemented |
-| `REFUSED`  | `refused`          | Refused         |
-
-默认使用 `NOERROR`。
-
-#### answer
-
-用于作为回答响应的文本 DNS 记录列表。
-
-例子:
-
-| 记录类型   | 例子                            |
-|--------|-------------------------------|
-| `A`    | `localhost. IN A 127.0.0.1`   |
-| `AAAA` | `localhost. IN AAAA ::1`      |
-| `TXT`  | `localhost. IN TXT \"Hello\"` |
-
-#### ns
-
-用于作为名称服务器响应的文本 DNS 记录列表。
-
-#### extra
-
-用于作为额外记录响应的文本 DNS 记录列表。

docs/configuration/dns/server/hosts.md

@@ -1,96 +0,0 @@
----
-icon: material/new-box
----
-
-!!! question "Since sing-box 1.12.0"
-
-# Hosts
-
-### Structure
-
-```json
-{
-  "dns": {
-    "servers": [
-      {
-        "type": "hosts",
-        "tag": "",
-
-        "path": [],
-        "predefined": {}
-      }
-    ]
-  }
-}
-```
-
-!!! note ""
-
-    You can ignore the JSON Array [] tag when the content is only one item
-
-### Fields
-
-#### path
-
-List of paths to hosts files.
-
-`/etc/hosts` is used by default.
-
-`C:\Windows\System32\Drivers\etc\hosts` is used by default on Windows.
-
-Example:
-
-```json
-{
-  // "path": "/etc/hosts"
-  
-  "path": [
-    "/etc/hosts",
-    "$HOME/.hosts"
-  ]
-}
-```
-
-#### predefined
-
-Predefined hosts.
-
-Example:
-
-```json
-{
-  "predefined": {
-    "www.google.com": "127.0.0.1",
-    "localhost": [
-      "127.0.0.1",
-      "::1"
-    ]
-  }
-}
-```
-
-### Examples
-
-=== "Use hosts if available"
-
-    ```json
-    {
-      "dns": {
-        "servers": [
-          {
-            ...
-          },
-          {
-            "type": "hosts",
-            "tag": "hosts"
-          }
-        ],
-        "rules": [
-          {
-            "ip_accept_any": true,
-            "server": "hosts"
-          }
-        ]
-      }
-    }
-    ```

docs/configuration/dns/server/http3.md

@@ -50,7 +50,7 @@ If domain name is used, `domain_resolver` must also be set to resolve IP address
 
 The port of the DNS server.
 
-`443` will be used by default.
+`853` will be used by default.
 
 #### path
 

docs/configuration/dns/server/https.md

@@ -50,7 +50,7 @@ If domain name is used, `domain_resolver` must also be set to resolve IP address
 
 The port of the DNS server.
 
-`443` will be used by default.
+`853` will be used by default.
 
 #### path
 

docs/configuration/dns/server/index.md

@@ -27,19 +27,19 @@ icon: material/alert-decagram
 
 The type of the DNS server.
 
-| Type            | Format                      |
-|-----------------|-----------------------------|
-| empty (default) | [Legacy](./legacy/)         |
-| `tcp`           | [TCP](./tcp/)               |
-| `udp`           | [UDP](./udp/)               |
-| `tls`           | [TLS](./tls/)               |
-| `https`         | [HTTPS](./https/)           |
-| `quic`          | [QUIC](./quic/)             |
-| `h3`            | [HTTP/3](./http3/)          |
-| `predefined`    | [Predefined](./predefined/) |
-| `dhcp`          | [DHCP](./dhcp/)             |
-| `fakeip`        | [Fake IP](./fakeip/)        |
-| `tailscale`     | [Tailscale](./tailscale/)   |
+| Type            | Format                                              |
+|-----------------|-----------------------------------------------------|
+| empty (default) | [Legacy](/configuration/dns/server/legacy/)         |
+| `tcp`           | [TCP](/configuration/dns/server/tcp/)               |
+| `udp`           | [UDP](/configuration/dns/server/udp/)               |
+| `tls`           | [TLS](/configuration/dns/server/tls/)               |
+| `https`         | [HTTPS](/configuration/dns/server/https/)           |
+| `quic`          | [QUIC](/configuration/dns/server/quic/)             |
+| `h3`            | [HTTP/3](/configuration/dns/server/http3/)          |
+| `predefined`    | [Predefined](/configuration/dns/server/predefined/) |
+| `dhcp`          | [DHCP](/configuration/dns/server/dhcp/)             |
+| `fakeip`        | [Fake IP](/configuration/dns/server/fakeip/)        |
+
 
 #### tag
 

docs/configuration/dns/server/index.zh.md

@@ -1,46 +0,0 @@
----
-icon: material/alert-decagram
----
-
-!!! quote "sing-box 1.12.0 中的更改"
-
-    :material-plus: [type](#type)
-
-# DNS Server
-
-### 结构
-
-```json
-{
-  "dns": {
-    "servers": [
-      {
-        "type": "",
-        "tag": ""
-      }
-    ]
-  }
-}
-```
-
-#### type
-
-DNS 服务器的类型。
-
-| 类型              | 格式                          |
-|-----------------|-----------------------------|
-| empty (default) | [Legacy](./legacy/)         |
-| `tcp`           | [TCP](./tcp/)               |
-| `udp`           | [UDP](./udp/)               |
-| `tls`           | [TLS](./tls/)               |
-| `https`         | [HTTPS](./https/)           |
-| `quic`          | [QUIC](./quic/)             |
-| `h3`            | [HTTP/3](./http3/)          |
-| `predefined`    | [Predefined](./predefined/) |
-| `dhcp`          | [DHCP](./dhcp/)             |
-| `fakeip`        | [Fake IP](./fakeip/)        |
-| `tailscale`     | [Tailscale](./tailscale/)   |
-
-#### tag
-
-DNS 服务器的标签。

docs/configuration/dns/server/predefined.md

@@ -0,0 +1,93 @@
+---
+icon: material/new-box
+---
+
+!!! question "Since sing-box 1.12.0"
+
+# Predefined
+
+### Structure
+
+```json
+{
+  "dns": {
+    "servers": [
+      {
+        "type": "predefined",
+        "tag": "",
+        "responses": []
+      }
+    ]
+  }
+}
+```
+
+### Fields
+
+#### responses
+
+==Required==
+
+List of [Response](#response-structure).
+
+### Response Structure
+
+```json
+{
+  "query": [],
+  "query_type": [],
+  "rcode": "",
+  "answer": [],
+  "ns": [],
+  "extra": []
+}
+```
+
+!!! note ""
+
+    You can ignore the JSON Array [] tag when the content is only one item
+
+### Response Fields
+
+#### query
+
+List of domain name to match.
+
+#### query_type
+
+List of query type to match.
+
+#### rcode
+
+The response code.
+
+| Value      | Value in the legacy rcode server | Description     |
+|------------|----------------------------------|-----------------|
+| `NOERROR`  | `success`                        | Ok              |
+| `FORMERR`  | `format_error`                   | Bad request     |
+| `SERVFAIL` | `server_failure`                 | Server failure  |
+| `NXDOMAIN` | `name_error`                     | Not found       |
+| `NOTIMP`   | `not_implemented`                | Not implemented |
+| `REFUSED`  | `refused`                        | Refused         |
+
+`NOERROR` will be used by default.
+
+#### answer
+
+List of text DNS record to respond as answers.
+
+Examples:
+
+| Record Type | Example                       |
+|-------------|-------------------------------|
+| `A`         | `localhost. IN A 127.0.0.1`   |
+| `AAAA`      | `localhost. IN AAAA ::1`      |
+| `TXT`       | `localhost. IN TXT \"Hello\"` |
+
+#### ns
+
+List of text DNS record to respond as name servers.
+
+#### extra
+
+List of text DNS record to respond as extra records.

docs/configuration/dns/server/udp.md

@@ -4,7 +4,7 @@ icon: material/new-box
 
 !!! question "Since sing-box 1.12.0"
 
-# UDP
+# TCP
 
 ### Structure
 

docs/configuration/endpoint/index.md

@@ -26,7 +26,6 @@ Endpoint is protocols that has both inbound and outbound behavior.
 | Type        | Format                    |
 |-------------|---------------------------|
 | `wireguard` | [WireGuard](./wireguard/) |
-| `tailscale` | [Tailscale](./tailscale/) |
 
 #### tag
 

docs/configuration/endpoint/index.zh.md

@@ -23,10 +23,9 @@ icon: material/new-box
 
 ### 字段
 
-| 类型          | 格式                        |
+| 类型          | 格式                        | 
 |-------------|---------------------------|
-| `wireguard` | [WireGuard](./wiregaurd/) |
-| `tailscale` | [Tailscale](./tailscale/) |
+| `wireguard` | [WireGuard](./wiregaurd/) | 
 
 #### tag
 

docs/configuration/endpoint/wireguard.zh.md

@@ -41,7 +41,7 @@ icon: material/new-box
 
 ### 字段
 
-#### system
+#### system_interface
 
 使用系统设备。
 

docs/configuration/inbound/anytls.md

@@ -1,59 +0,0 @@
----
-icon: material/new-box
----
-
-!!! question "Since sing-box 1.12.0"
-
-### Structure
-
-```json
-{
-  "type": "anytls",
-  "tag": "anytls-in",
-
-  ... // Listen Fields
-
-  "users": [
-    {
-      "name": "sekai",
-      "password": "8JCsPssfgS8tiRwiMlhARg=="
-    }
-  ],
-  "padding_scheme": [],
-  "tls": {}
-}
-```
-
-### Listen Fields
-
-See [Listen Fields](/configuration/shared/listen/) for details.
-
-### Fields
-
-#### users
-
-==Required==
-
-AnyTLS users.
-
-#### padding_scheme
-
-AnyTLS padding scheme line array.
-
-Default padding scheme:
-
-```
-stop=8
-0=34-120
-1=100-400
-2=400-500,c,500-1000,c,400-500,c,500-1000,c,500-1000,c,400-500
-3=500-1000
-4=500-1000
-5=500-1000
-6=500-1000
-7=500-1000
-```
-
-#### tls
-
-TLS configuration, see [TLS](/configuration/shared/tls/#inbound).

docs/configuration/inbound/anytls.zh.md

@@ -1,59 +0,0 @@
----
-icon: material/new-box
----
-
-!!! question "自 sing-box 1.12.0 起"
-
-### 结构
-
-```json
-{
-  "type": "anytls",
-  "tag": "anytls-in",
-
-  ... // 监听字段
-
-  "users": [
-    {
-      "name": "sekai",
-      "password": "8JCsPssfgS8tiRwiMlhARg=="
-    }
-  ],
-  "padding_scheme": [],
-  "tls": {}
-}
-```
-
-### 监听字段
-
-参阅 [监听字段](/zh/configuration/shared/listen/)。
-
-### 字段
-
-#### users
-
-==必填==
-
-AnyTLS 用户。
-
-#### padding_scheme
-
-AnyTLS 填充方案行数组。
-
-默认填充方案:
-
-```
-stop=8
-0=34-120
-1=100-400
-2=400-500,c,500-1000,c,400-500,c,500-1000,c,500-1000,c,400-500
-3=500-1000
-4=500-1000
-5=500-1000
-6=500-1000
-7=500-1000
-```
-
-#### tls
-
-TLS 配置, 参阅 [TLS](/zh/configuration/shared/tls/#inbound)。

docs/configuration/inbound/index.md

@@ -30,7 +30,6 @@
 | `tuic`        | [TUIC](./tuic/)               | :material-close: |
 | `hysteria2`   | [Hysteria2](./hysteria2/)     | :material-close: |
 | `vless`       | [VLESS](./vless/)             | TCP              |
-| `anytls`      | [AnyTLS](./anytls/)           | TCP              |
 | `tun`         | [Tun](./tun/)                 | :material-close: |
 | `redirect`    | [Redirect](./redirect/)       | :material-close: |
 | `tproxy`      | [TProxy](./tproxy/)           | :material-close: |

docs/configuration/inbound/index.zh.md

@@ -30,7 +30,6 @@
 | `tuic`        | [TUIC](./tuic/)               | :material-close: |
 | `hysteria2`   | [Hysteria2](./hysteria2/)     | :material-close: |
 | `vless`       | [VLESS](./vless/)             | TCP              |
-| `anytls`      | [AnyTLS](./anytls/)           | TCP              |
 | `tun`         | [Tun](./tun/)                 | :material-close: |
 | `redirect`    | [Redirect](./redirect/)       | :material-close: |
 | `tproxy`      | [TProxy](./tproxy/)           | :material-close: |

docs/configuration/inbound/shadowtls.md

@@ -1,11 +1,3 @@
----
-icon: material/new-box
----
-
-!!! quote "Changes in sing-box 1.12.0"
-
-    :material-plus: [wildcard_sni](#wildcard_sni)
-
 ### Structure
 
 ```json
@@ -37,8 +29,7 @@ icon: material/new-box
       ... // Dial Fields
     }
   },
-  "strict_mode": false,
-  "wildcard_sni": ""
+  "strict_mode": false
 }
 ```
 
@@ -64,6 +55,7 @@ ShadowTLS password.
 
 Only available in the ShadowTLS protocol 2.
 
+
 #### users
 
 ShadowTLS users.
@@ -74,8 +66,6 @@ Only available in the ShadowTLS protocol 3.
 
 ==Required==
 
-When `wildcard_sni` is configured to `all`, the server address is optional.
-
 Handshake server address and [Dial Fields](/configuration/shared/dial/).
 
 #### handshake_for_server_name
@@ -89,19 +79,3 @@ Only available in the ShadowTLS protocol 2/3.
 ShadowTLS strict mode.
 
 Only available in the ShadowTLS protocol 3.
-
-#### wildcard_sni
-
-!!! question "Since sing-box 1.12.0"
-
-ShadowTLS wildcard SNI mode.
-
-Available values are:
-
-* `off`: (default) Disabled.
-* `authed`: Authenticated connections will have their destination overwritten to `(servername):443`
-* `all`: All connections will have their destination overwritten to `(servername):443`
-
-Additionally, connections matching `handshake_for_server_name` are not affected.
-
-Only available in the ShadowTLS protocol 3.

docs/configuration/inbound/shadowtls.zh.md

@@ -1,11 +1,3 @@
----
-icon: material/new-box
----
-
-!!! quote "sing-box 1.12.0 中的更改"
-
-    :material-plus: [wildcard_sni](#wildcard_sni)
-
 ### 结构
 
 ```json
@@ -37,8 +29,7 @@ icon: material/new-box
       ... // 拨号字段
     }
   },
-  "strict_mode": false,
-  "wildcard_sni": ""
+  "strict_mode": false
 }
 ```
 
@@ -89,19 +80,3 @@ ShadowTLS 用户。
 ShadowTLS 严格模式。
 
 仅在 ShadowTLS 协议版本 3 中可用。
-
-#### wildcard_sni
-
-!!! question "自 sing-box 1.12.0 起"
-
-ShadowTLS 通配符 SNI 模式。
-
-可用值：
-
-* `off`：（默认）禁用。
-* `authed`：已认证的连接的目标将被重写为 `(servername):443`。
-* `all`：所有连接的目标将被重写为 `(servername):443`。
-
-此外，匹配 `handshake_for_server_name` 的连接不受影响。
-
-仅在 ShadowTLS 协议 3 中可用。

docs/configuration/index.md

@@ -9,7 +9,6 @@ sing-box uses JSON for configuration files.
   "log": {},
   "dns": {},
   "ntp": {},
-  "certificate": {},
   "endpoints": [],
   "inbounds": [],
   "outbounds": [],
@@ -25,7 +24,6 @@ sing-box uses JSON for configuration files.
 | `log`          | [Log](./log/)                   |
 | `dns`          | [DNS](./dns/)                   |
 | `ntp`          | [NTP](./ntp/)                   |
-| `certificate`  | [Certificate](./certificate/)   |
 | `endpoints`    | [Endpoint](./endpoint/)         |
 | `inbounds`     | [Inbound](./inbound/)           |
 | `outbounds`    | [Outbound](./outbound/)         |

docs/configuration/index.zh.md

@@ -9,7 +9,6 @@ sing-box 使用 JSON 作为配置文件格式。
   "log": {},
   "dns": {},
   "ntp": {},
-  "certificate": {},
   "endpoints": [],
   "inbounds": [],
   "outbounds": [],
@@ -25,7 +24,6 @@ sing-box 使用 JSON 作为配置文件格式。
 | `log`          | [日志](./log/)           |
 | `dns`          | [DNS](./dns/)          |
 | `ntp`          | [NTP](./ntp/)          |
-| `certificate`  | [证书](./certificate/)   |
 | `endpoints`    | [端点](./endpoint/)      |
 | `inbounds`     | [入站](./inbound/)       |
 | `outbounds`    | [出站](./outbound/)      |

docs/configuration/outbound/anytls.md

@@ -1,66 +0,0 @@
----
-icon: material/new-box
----
-
-!!! question "Since sing-box 1.12.0"
-
-### Structure
-
-```json
-{
-  "type": "anytls",
-  "tag": "anytls-out",
-
-  "server": "127.0.0.1",
-  "server_port": 1080,
-  "password": "8JCsPssfgS8tiRwiMlhARg==",
-  "idle_session_check_interval": "30s",
-  "idle_session_timeout": "30s",
-  "min_idle_session": 5,
-  "tls": {},
-
-  ... // Dial Fields
-}
-```
-
-### Fields
-
-#### server
-
-==Required==
-
-The server address.
-
-#### server_port
-
-==Required==
-
-The server port.
-
-#### password
-
-==Required==
-
-The AnyTLS password.
-
-#### idle_session_check_interval
-
-Interval checking for idle sessions. Default: 30s.
-
-#### idle_session_timeout
-
-In the check, close sessions that have been idle for longer than this. Default: 30s.
-
-#### min_idle_session
-
-In the check, at least the first `n` idle sessions are kept open. Default value: `n`=0
-
-#### tls
-
-==Required==
-
-TLS configuration, see [TLS](/configuration/shared/tls/#outbound).
-
-### Dial Fields
-
-See [Dial Fields](/configuration/shared/dial/) for details.

docs/configuration/outbound/anytls.zh.md

@@ -1,66 +0,0 @@
----
-icon: material/new-box
----
-
-!!! question "自 sing-box 1.12.0 起"
-
-### 结构
-
-```json
-{
-  "type": "anytls",
-  "tag": "anytls-out",
-
-  "server": "127.0.0.1",
-  "server_port": 1080,
-  "password": "8JCsPssfgS8tiRwiMlhARg==",
-  "idle_session_check_interval": "30s",
-  "idle_session_timeout": "30s",
-  "min_idle_session": 5,
-  "tls": {},
-
-  ... // 拨号字段
-}
-```
-
-### 字段
-
-#### server
-
-==必填==
-
-服务器地址。
-
-#### server_port
-
-==必填==
-
-服务器端口。
-
-#### password
-
-==必填==
-
-AnyTLS 密码。
-
-#### idle_session_check_interval
-
-检查空闲会话的时间间隔。默认值：30秒。
-
-#### idle_session_timeout
-
-在检查中，关闭闲置时间超过此值的会话。默认值：30秒。
-
-#### min_idle_session
-
-在检查中，至少前 `n` 个空闲会话保持打开状态。默认值：`n`=0
-
-#### tls
-
-==必填==
-
-TLS 配置, 参阅 [TLS](/zh/configuration/shared/tls/#outbound)。
-
-### 拨号字段
-
-参阅 [拨号字段](/zh/configuration/shared/dial/)。

docs/configuration/outbound/index.md

@@ -30,7 +30,6 @@
 | `shadowtls`    | [ShadowTLS](./shadowtls/)       |
 | `tuic`         | [TUIC](./tuic/)                 |
 | `hysteria2`    | [Hysteria2](./hysteria2/)       |
-| `anytls`       | [AnyTLS](./anytls/)             |
 | `tor`          | [Tor](./tor/)                   |
 | `ssh`          | [SSH](./ssh/)                   |
 | `dns`          | [DNS](./dns/)                   |

docs/configuration/outbound/index.zh.md

@@ -30,7 +30,6 @@
 | `shadowtls`    | [ShadowTLS](./shadowtls/)       |
 | `tuic`         | [TUIC](./tuic/)                 |
 | `hysteria2`    | [Hysteria2](./hysteria2/)       |
-| `anytls`       | [AnyTLS](./anytls/)             |
 | `tor`          | [Tor](./tor/)                   |
 | `ssh`          | [SSH](./ssh/)                   |
 | `dns`          | [DNS](./dns/)                   |

docs/configuration/route/rule_action.md

@@ -5,10 +5,7 @@ icon: material/new-box
 !!! quote "Changes in sing-box 1.12.0"
 
     :material-plus: [tls_fragment](#tls_fragment)  
-    :material-plus: [tls_fragment_fallback_delay](#tls_fragment_fallback_delay)  
-    :material-plus: [resolve.disable_cache](#disable_cache)  
-    :material-plus: [resolve.rewrite_ttl](#rewrite_ttl)  
-    :material-plus: [resolve.client_subnet](#client_subnet)
+    :material-plus: [tls_fragment_fallback_delay](#tls_fragment_fallback_delay)
 
 ## Final actions
 
@@ -213,44 +210,19 @@ Timeout for sniffing.
 ```json
 {
   "action": "resolve",
-  "server": "",
   "strategy": "",
-  "disable_cache": false,
-  "rewrite_ttl": null,
-  "client_subnet": null
+  "server": ""
 }
 ```
 
 `resolve` resolve request destination from domain to IP addresses.
 
-#### server
-
-Specifies DNS server tag to use instead of selecting through DNS routing.
-
 #### strategy
 
 DNS resolution strategy, available values are: `prefer_ipv4`, `prefer_ipv6`, `ipv4_only`, `ipv6_only`.
 
 `dns.strategy` will be used by default.
 
-#### disable_cache
+#### server
 
-!!! question "Since sing-box 1.12.0"
-
-Disable cache and save cache in this query.
-
-#### rewrite_ttl
-
-!!! question "Since sing-box 1.12.0"
-
-Rewrite TTL in DNS responses.
-
-#### client_subnet
-
-!!! question "Since sing-box 1.12.0"
-
-Append a `edns0-subnet` OPT extra record with the specified IP prefix to every query by default.
-
-If value is an IP address instead of prefix, `/32` or `/128` will be appended automatically.
-
-Will overrides `dns.client_subnet`.
+Specifies DNS server tag to use instead of selecting through DNS routing.

docs/configuration/route/rule_action.zh.md

@@ -206,44 +206,19 @@ UDP 连接超时时间。
 ```json
 {
   "action": "resolve",
-  "server": "",
   "strategy": "",
-  "disable_cache": false,
-  "rewrite_ttl": null,
-  "client_subnet": null
+  "server": ""
 }
 ```
 
 `resolve` 将请求的目标从域名解析为 IP 地址。
 
-#### server
-
-指定要使用的 DNS 服务器的标签，而不是通过 DNS 路由进行选择。
-
 #### strategy
 
 DNS 解析策略，可用值有：`prefer_ipv4`、`prefer_ipv6`、`ipv4_only`、`ipv6_only`。
 
 默认使用 `dns.strategy`。
 
-#### disable_cache
+#### server
 
-!!! question "自 sing-box 1.12.0 起"
-
-在此查询中禁用缓存。
-
-#### rewrite_ttl
-
-!!! question "自 sing-box 1.12.0 起"
-
-重写 DNS 回应中的 TTL。
-
-#### client_subnet
-
-!!! question "自 sing-box 1.12.0 起"
-
-默认情况下，将带有指定 IP 前缀的 `edns0-subnet` OPT 附加记录附加到每个查询。
-
-如果值是 IP 地址而不是前缀，则会自动附加 `/32` 或 `/128`。
-
-将覆盖 `dns.client_subnet`.
+指定要使用的 DNS 服务器的标签，而不是通过 DNS 路由进行选择。

docs/configuration/route/sniff.md

@@ -22,7 +22,6 @@ If enabled in the inbound, the protocol and domain name (if present) of by the c
 |   UDP   |    `dtls`    |      /      |        /         |
 |   TCP   |    `ssh`     |      /      | SSH Client Name  |
 |   TCP   |    `rdp`     |      /      |        /         |
-|   UDP   |    `ntp`     |      /      |        /         |
 
 |       QUIC Client        |    Type    |
 |:------------------------:|:----------:|

docs/configuration/route/sniff.zh.md

@@ -22,7 +22,6 @@
 |   UDP   |    `dtls`    |      /      |     /      |
 |   TCP   |    `ssh`     |      /      | SSH 客户端名称  |
 |   TCP   |    `rdp`     |      /      |     /      |
-|   UDP   |    `ntp`     |      /      |     /      |
 
 |         QUIC 客户端         |     类型     |
 |:------------------------:|:----------:|

docs/configuration/shared/dial.md

@@ -106,10 +106,6 @@ Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h".
 
     `outbound` DNS rule items are deprecated and will be removed in sing-box 1.14.0, so this item will be required for outbound/endpoints using domain name in server address since sing-box 1.14.0.
 
-!!! info ""
-
-    `domain_resolver` or `route.default_domain_resolver` is optional when only one DNS server is configured.
-
 Set domain resolver to use for resolving domain names.
 
 This option uses the same format as the [route DNS rule action](/configuration/dns/rule_action/#route) without the `action` field.

docs/configuration/shared/dial.zh.md

@@ -105,10 +105,6 @@ icon: material/new-box
 
     `outbound` DNS 规则项已弃用，且将在 sing-box 1.14.0 中被移除。因此，从 sing-box 1.14.0 版本开始，所有在服务器地址中使用域名的出站/端点均需配置此项。
 
-!!! info ""
-
-    当只有一个 DNS 服务器已配置时，`domain_resolver` 或 `route.default_domain_resolver` 是可选的。 
-
 用于设置解析域名的域名解析器。
 
 此选项的格式与 [路由 DNS 规则动作](/configuration/dns/rule_action/#route) 相同，但不包含 `action` 字段。  

docs/configuration/shared/tls.md

@@ -1,12 +1,3 @@
----
-icon: material/alert-decagram
----
-
-!!! quote "Changes in sing-box 1.12.0"
-
-    :material-delete-clock: [ech.pq_signature_schemes_enabled](#pq_signature_schemes_enabled)  
-    :material-delete-clock: [ech.dynamic_record_sizing_disabled](#dynamic_record_sizing_disabled)
-
 !!! quote "Changes in sing-box 1.10.0"
 
     :material-alert-decagram: [utls](#utls)  
@@ -43,13 +34,10 @@ icon: material/alert-decagram
   },
   "ech": {
     "enabled": false,
-    "key": [],
-    "key_path": "",
-
-    // Deprecated
-    
     "pq_signature_schemes_enabled": false,
-    "dynamic_record_sizing_disabled": false
+    "dynamic_record_sizing_disabled": false,
+    "key": [],
+    "key_path": ""
   },
   "reality": {
     "enabled": false,
@@ -84,12 +72,10 @@ icon: material/alert-decagram
   "certificate_path": "",
   "ech": {
     "enabled": false,
-    "config": [],
-    "config_path": "",
-
-    // Deprecated
     "pq_signature_schemes_enabled": false,
-    "dynamic_record_sizing_disabled": false
+    "dynamic_record_sizing_disabled": false,
+    "config": [],
+    "config_path": ""
   },
   "utls": {
     "enabled": false,
@@ -260,22 +246,16 @@ 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`.
+The ECH key and configuration can be generated by `sing-box generate ech-keypair [--pq-signature-schemes-enabled]`.
 
 #### pq_signature_schemes_enabled
 
-!!! failure "Deprecated in sing-box 1.12.0"
-
-    ECH support has been migrated to use stdlib in sing-box 1.12.0, which does not come with support for PQ signature schemes, so `pq_signature_schemes_enabled` has been deprecated and no longer works.
-
 Enable support for post-quantum peer certificate signature schemes.
 
+It is recommended to match the parameters of `sing-box generate ech-keypair`.
+
 #### dynamic_record_sizing_disabled
 
-!!! failure "Deprecated in sing-box 1.12.0"
-
-    `dynamic_record_sizing_disabled` has nothing to do with ECH, was added by mistake, has been deprecated and no longer works.
-
 Disables adaptive sizing of TLS records.
 
 When true, the largest possible TLS record size is always used.  

docs/configuration/shared/tls.zh.md

@@ -1,12 +1,3 @@
----
-icon: material/alert-decagram
----
-
-!!! quote "sing-box 1.12.0 中的更改"
-
-    :material-delete-clock: [ech.pq_signature_schemes_enabled](#pq_signature_schemes_enabled)  
-    :material-delete-clock: [ech.dynamic_record_sizing_disabled](#dynamic_record_sizing_disabled)
-
 !!! quote "sing-box 1.10.0 中的更改"
 
     :material-alert-decagram: [utls](#utls)  
@@ -43,21 +34,18 @@ icon: material/alert-decagram
   },
   "ech": {
     "enabled": false,
-    "key": [],
-    "key_path": "",
-
-    // 废弃的
-    
     "pq_signature_schemes_enabled": false,
-    "dynamic_record_sizing_disabled": false
+    "dynamic_record_sizing_disabled": false,
+    "key": [],
+    "key_path": ""
   },
   "reality": {
     "enabled": false,
     "handshake": {
       "server": "google.com",
       "server_port": 443,
-      
-      ... // 拨号字段
+      ...
+      // 拨号字段
     },
     "private_key": "UuMBgl7MXTPx9inmQp2UC7Jcnwc6XYbwDNebonM-FCc",
     "short_id": [
@@ -252,6 +240,19 @@ ECH (Encrypted Client Hello) 是一个 TLS 扩展，它允许客户端加密其
 
 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
+
+启用对后量子对等证书签名方案的支持。
+
+建议匹配 `sing-box generate ech-keypair` 的参数。
+
+#### dynamic_record_sizing_disabled
+
+禁用 TLS 记录的自适应大小调整。
+
+如果为 true，则始终使用最大可能的 TLS 记录大小。
+如果为 false，则可能会调整 TLS 记录的大小以尝试改善延迟。
+
 #### key
 
 ==仅服务器==
@@ -284,27 +285,6 @@ ECH PEM 配置路径
 
 如果为空，将尝试从 DNS 加载。
 
-#### pq_signature_schemes_enabled
-
-!!! failure "已在 sing-box 1.12.0 废弃"
-
-    ECH 支持已在 sing-box 1.12.0 迁移至使用标准库，但标准库不支持后量子对等证书签名方案，因此 `pq_signature_schemes_enabled` 已被弃用且不再工作。
-
-启用对后量子对等证书签名方案的支持。
-
-建议匹配 `sing-box generate ech-keypair` 的参数。
-
-#### dynamic_record_sizing_disabled
-
-!!! failure "已在 sing-box 1.12.0 废弃"
-
-    `dynamic_record_sizing_disabled` 与 ECH 无关，是错误添加的，现已弃用且不再工作。
-
-禁用 TLS 记录的自适应大小调整。
-
-如果为 true，则始终使用最大可能的 TLS 记录大小。
-如果为 false，则可能会调整 TLS 记录的大小以尝试改善延迟。
-
 ### ACME 字段
 
 #### domain

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

@@ -31,11 +31,12 @@ The protocol version, `1` or `2`.
 
 ### Application support
 
-| Project      | UoT v1               | UoT v2               |
-|--------------|----------------------|----------------------|
-| sing-box     | v0 (2022/08/11)      | v1.2-beta9           |
-| Clash.Meta   | v1.12.0 (2022/07/02) | v1.14.3 (2023/03/31) |
-| Shadowrocket | v2.2.12 (2022/08/13) | /                    |
+| Project      | UoT v1               | UoT v2                                                                                                            |
+|--------------|----------------------|-------------------------------------------------------------------------------------------------------------------|
+| sing-box     | v0 (2022/08/11)      | v1.2-beta9                                                                                                        |
+| Xray-core    | v1.5.7 (2022/06/05)  | [f57ec13](https://github.com/XTLS/Xray-core/commit/f57ec1388084df041a2289bacab14e446bf1b357) (Not released)       |
+| Clash.Meta   | v1.12.0 (2022/07/02) | [8cb67b6](https://github.com/MetaCubeX/Clash.Meta/commit/8cb67b6480649edfa45dcc9ac89ce0789651e8b3) (Not released) |
+| Shadowrocket | v2.2.12 (2022/08/13) | /                                                                                                                 |
 
 ### Protocol details
 
@@ -49,13 +50,7 @@ The client requests the magic address to the upper layer proxy protocol to indic
 |------|----------|-------|--------|----------|
 | u8   | variable | u16be | u16be  | variable |
 
-**ATYP / address / port**: Uses the SOCKS address format, but with different address types:
-
-| ATYP   | Address type |
-|--------|--------------|
-| `0x00` | IPv4 Address |
-| `0x01` | IPv6 Address |
-| `0x02` | Domain Name  |
+**ATYP / address / port**: Uses the SOCKS address format.
 
 #### Protocol version 2
 

docs/deprecated.md

@@ -19,17 +19,6 @@ Legacy `outbound` DNS rules are deprecated
 and can be replaced by dial fields,
 check [Migration](../migration/#migrate-outbound-dns-rule-items-to-domain-resolver).
 
-#### Legacy ECH fields
-
-ECH support has been migrated to use stdlib in sing-box 1.12.0,
-which does not come with support for PQ signature schemes,
-so `pq_signature_schemes_enabled` has been deprecated and no longer works.
-
-Also, `dynamic_record_sizing_disabled` has nothing to do with ECH,
-was added by mistake, has been deprecated and no longer works.
-
-These fields will be removed in sing-box 1.13.0.
-
 ## 1.11.0
 
 #### Legacy special outbounds