documentation: Bump version

Co-authored-by: anytls <anytls>

.github/workflows/build.yml

@@ -189,13 +189,14 @@ jobs:
           fi
           echo "DIR_NAME=${DIR_NAME}" >> "${GITHUB_ENV}"
           PKG_VERSION="${{ needs.calculate_version.outputs.version }}"
-          PKG_VERSION="${PKG_VERSION//-/\~}-1"
+          PKG_VERSION="${PKG_VERSION//-/\~}"
           echo "PKG_VERSION=${PKG_VERSION}" >> "${GITHUB_ENV}"
       - name: Package DEB
         if: matrix.debian != ''
         run: |
           set -xeuo pipefail
           sudo gem install fpm
+          sudo apt-get update
           sudo apt-get install -y debsigs
           cp .fpm_systemd .fpm
           fpm -t deb \
@@ -234,6 +235,7 @@ jobs:
         run: |-
           set -xeuo pipefail
           sudo gem install fpm
+          sudo apt-get update
           sudo apt-get install -y libarchive-tools
           cp .fpm_systemd .fpm
           fpm -t pacman \

.github/workflows/linux.yml

@@ -120,6 +120,7 @@ jobs:
           set -xeuo pipefail
           sudo gem install fpm
           sudo apt-get install -y debsigs
+          cp .fpm_systemd .fpm
           fpm -t deb \
             --name "${NAME}" \
             -v "$PKG_VERSION" \
@@ -138,6 +139,7 @@ jobs:
         run: |-
           set -xeuo pipefail
           sudo gem install fpm
+          cp .fpm_systemd .fpm
           fpm -t rpm \
             --name "${NAME}" \
             -v "$PKG_VERSION" \

common/sniff/bittorrent.go

@@ -31,13 +31,18 @@ func BitTorrent(_ context.Context, metadata *adapter.InboundContext, reader io.R
 		return os.ErrInvalid
 	}
 
+	const header = "BitTorrent protocol"
 	var protocol [19]byte
-	_, err = reader.Read(protocol[:])
+	var n int
+	n, err = reader.Read(protocol[:])
+	if string(protocol[:n]) != header[:n] {
+		return os.ErrInvalid
+	}
 	if err != nil {
 		return E.Cause1(ErrNeedMoreData, err)
 	}
-	if string(protocol[:]) != "BitTorrent protocol" {
-		return os.ErrInvalid
+	if n < 19 {
+		return ErrNeedMoreData
 	}
 
 	metadata.Protocol = C.ProtocolBitTorrent

common/sniff/bittorrent_test.go

@@ -32,6 +32,27 @@ func TestSniffBittorrent(t *testing.T) {
 	}
 }
 
+func TestSniffIncompleteBittorrent(t *testing.T) {
+	t.Parallel()
+
+	pkt, err := hex.DecodeString("13426974546f7272656e74")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.BitTorrent(context.TODO(), &metadata, bytes.NewReader(pkt))
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
+}
+
+func TestSniffNotBittorrent(t *testing.T) {
+	t.Parallel()
+
+	pkt, err := hex.DecodeString("13426974546f7272656e75")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.BitTorrent(context.TODO(), &metadata, bytes.NewReader(pkt))
+	require.NotEmpty(t, err)
+	require.NotErrorIs(t, err, sniff.ErrNeedMoreData)
+}
+
 func TestSniffUTP(t *testing.T) {
 	t.Parallel()
 

common/sniff/dns.go

@@ -20,22 +20,36 @@ func StreamDomainNameQuery(readCtx context.Context, metadata *adapter.InboundCon
 	if err != nil {
 		return E.Cause1(ErrNeedMoreData, err)
 	}
-	if length == 0 {
+	if length < 12 {
 		return os.ErrInvalid
 	}
 	buffer := buf.NewSize(int(length))
 	defer buffer.Release()
-	_, err = buffer.ReadFullFrom(reader, buffer.FreeLen())
+	var n int
+	n, err = buffer.ReadFullFrom(reader, buffer.FreeLen())
+	packet := buffer.Bytes()
+	if n > 2 && packet[2]&0x80 != 0 { // QR
+		return os.ErrInvalid
+	}
+	if n > 5 && packet[4] == 0 && packet[5] == 0 { // QDCOUNT
+		return os.ErrInvalid
+	}
+	for i := 6; i < 10; i++ {
+		// ANCOUNT, NSCOUNT
+		if n > i && packet[i] != 0 {
+			return os.ErrInvalid
+		}
+	}
 	if err != nil {
 		return E.Cause1(ErrNeedMoreData, err)
 	}
-	return DomainNameQuery(readCtx, metadata, buffer.Bytes())
+	return DomainNameQuery(readCtx, metadata, packet)
 }
 
 func DomainNameQuery(ctx context.Context, metadata *adapter.InboundContext, packet []byte) error {
 	var msg mDNS.Msg
 	err := msg.Unpack(packet)
-	if err != nil {
+	if err != nil || msg.Response || len(msg.Question) == 0 || len(msg.Answer) > 0 || len(msg.Ns) > 0 {
 		return err
 	}
 	metadata.Protocol = C.ProtocolDNS

common/sniff/dns_test.go

@@ -1,6 +1,7 @@
 package sniff_test
 
 import (
+	"bytes"
 	"context"
 	"encoding/hex"
 	"testing"
@@ -21,3 +22,32 @@ func TestSniffDNS(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, C.ProtocolDNS, metadata.Protocol)
 }
+
+func TestSniffStreamDNS(t *testing.T) {
+	t.Parallel()
+	query, err := hex.DecodeString("001e740701000001000000000000012a06676f6f676c6503636f6d0000010001")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.StreamDomainNameQuery(context.TODO(), &metadata, bytes.NewReader(query))
+	require.NoError(t, err)
+	require.Equal(t, C.ProtocolDNS, metadata.Protocol)
+}
+
+func TestSniffIncompleteStreamDNS(t *testing.T) {
+	t.Parallel()
+	query, err := hex.DecodeString("001e740701000001000000000000")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.StreamDomainNameQuery(context.TODO(), &metadata, bytes.NewReader(query))
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
+}
+
+func TestSniffNotStreamDNS(t *testing.T) {
+	t.Parallel()
+	query, err := hex.DecodeString("001e740701000000000000000000")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.StreamDomainNameQuery(context.TODO(), &metadata, bytes.NewReader(query))
+	require.NotEmpty(t, err)
+	require.NotErrorIs(t, err, sniff.ErrNeedMoreData)
+}

common/sniff/sniff.go

@@ -68,7 +68,7 @@ func PeekStream(ctx context.Context, metadata *adapter.InboundContext, conn net.
 			}
 			sniffError = E.Errors(sniffError, err)
 		}
-		if !errors.Is(err, ErrNeedMoreData) {
+		if !errors.Is(sniffError, ErrNeedMoreData) {
 			break
 		}
 	}

common/sniff/ssh.go

@@ -15,10 +15,11 @@ func SSH(_ context.Context, metadata *adapter.InboundContext, reader io.Reader)
 	const sshPrefix = "SSH-2.0-"
 	bReader := bufio.NewReader(reader)
 	prefix, err := bReader.Peek(len(sshPrefix))
+	if string(prefix[:]) != sshPrefix[:len(prefix)] {
+		return os.ErrInvalid
+	}
 	if err != nil {
 		return E.Cause1(ErrNeedMoreData, err)
-	} else if string(prefix) != sshPrefix {
-		return os.ErrInvalid
 	}
 	fistLine, _, err := bReader.ReadLine()
 	if err != nil {

common/sniff/ssh_test.go

@@ -24,3 +24,24 @@ func TestSniffSSH(t *testing.T) {
 	require.Equal(t, C.ProtocolSSH, metadata.Protocol)
 	require.Equal(t, "dropbear", metadata.Client)
 }
+
+func TestSniffIncompleteSSH(t *testing.T) {
+	t.Parallel()
+
+	pkt, err := hex.DecodeString("5353482d322e30")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.SSH(context.TODO(), &metadata, bytes.NewReader(pkt))
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
+}
+
+func TestSniffNotSSH(t *testing.T) {
+	t.Parallel()
+
+	pkt, err := hex.DecodeString("5353482d322e31")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.SSH(context.TODO(), &metadata, bytes.NewReader(pkt))
+	require.NotEmpty(t, err)
+	require.NotErrorIs(t, err, sniff.ErrNeedMoreData)
+}

common/tls/ech.go

@@ -10,6 +10,8 @@ import (
 	"net"
 	"os"
 	"strings"
+	"sync"
+	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/dns"
@@ -46,7 +48,10 @@ func parseECHClientConfig(ctx context.Context, options option.OutboundTLSOptions
 		tlsConfig.EncryptedClientHelloConfigList = block.Bytes
 		return &STDClientConfig{tlsConfig}, nil
 	} else {
-		return &STDECHClientConfig{STDClientConfig{tlsConfig}, service.FromContext[adapter.DNSRouter](ctx)}, nil
+		return &STDECHClientConfig{
+			STDClientConfig: STDClientConfig{tlsConfig},
+			dnsRouter:       service.FromContext[adapter.DNSRouter](ctx),
+		}, nil
 	}
 }
 
@@ -99,11 +104,28 @@ func reloadECHKeys(echKeyPath string, tlsConfig *tls.Config) error {
 
 type STDECHClientConfig struct {
 	STDClientConfig
+	access     sync.Mutex
 	dnsRouter  adapter.DNSRouter
+	lastTTL    time.Duration
+	lastUpdate time.Time
 }
 
 func (s *STDECHClientConfig) ClientHandshake(ctx context.Context, conn net.Conn) (aTLS.Conn, error) {
-	if len(s.config.EncryptedClientHelloConfigList) == 0 {
+	tlsConn, err := s.fetchAndHandshake(ctx, conn)
+	if err != nil {
+		return nil, err
+	}
+	err = tlsConn.HandshakeContext(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return tlsConn, nil
+}
+
+func (s *STDECHClientConfig) fetchAndHandshake(ctx context.Context, conn net.Conn) (aTLS.Conn, error) {
+	s.access.Lock()
+	defer s.access.Unlock()
+	if len(s.config.EncryptedClientHelloConfigList) == 0 || s.lastTTL == 0 || time.Now().Sub(s.lastUpdate) > s.lastTTL {
 		message := &mDNS.Msg{
 			MsgHdr: mDNS.MsgHdr{
 				RecursionDesired: true,
@@ -133,6 +155,8 @@ func (s *STDECHClientConfig) ClientHandshake(ctx context.Context, conn net.Conn)
 						if err != nil {
 							return nil, E.Cause(err, "decode ECH config")
 						}
+						s.lastTTL = time.Duration(rr.Header().Ttl) * time.Second
+						s.lastUpdate = time.Now()
 						s.config.EncryptedClientHelloConfigList = echConfigList
 						break match
 					}
@@ -143,19 +167,11 @@ func (s *STDECHClientConfig) ClientHandshake(ctx context.Context, conn net.Conn)
 			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
+	return s.Client(conn)
 }
 
 func (s *STDECHClientConfig) Clone() Config {
-	return &STDECHClientConfig{STDClientConfig{s.config.Clone()}, s.dnsRouter}
+	return &STDECHClientConfig{STDClientConfig: STDClientConfig{s.config.Clone()}, dnsRouter: s.dnsRouter, lastUpdate: s.lastUpdate}
 }
 
 func UnmarshalECHKeys(raw []byte) ([]tls.EncryptedClientHelloKey, error) {

dns/client.go

@@ -268,10 +268,13 @@ func (c *Client) Lookup(ctx context.Context, transport adapter.DNSTransport, dom
 		return nil
 	})
 	err := group.Run(ctx)
-	if len(response4) == 0 && len(response6) == 0 {
-		return nil, err
-	}
+	if len(response4) > 0 || len(response6) > 0 {
 		return sortAddresses(response4, response6, options.Strategy), nil
+	} else if err != nil {
+		return nil, err
+	} else {
+		return nil, RcodeError(dns.RcodeNameError)
+	}
 }
 
 func (c *Client) ClearCache() {
@@ -483,7 +486,7 @@ 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 {
+	if response.Rcode != dns.RcodeSuccess {
 		return nil, RcodeError(response.Rcode)
 	}
 	addresses := make([]netip.Addr, 0, len(response.Answer))

dns/router.go

@@ -332,8 +332,7 @@ func (r *Router) Lookup(ctx context.Context, domain string, options adapter.DNSQ
 				r.logger.ErrorContext(ctx, E.Cause(err, "lookup failed for ", domain))
 			}
 		} else if len(responseAddrs) == 0 {
-			r.logger.ErrorContext(ctx, "lookup failed for ", domain, ": empty result")
-			err = RcodeNameError
+			panic("unexpected empty result")
 		}
 	}
 	responseAddrs, cached = r.client.LookupCache(domain, options.Strategy)

docs/changelog.md

@@ -2,7 +2,7 @@
 icon: material/alert-decagram
 ---
 
-#### 1.12.0-beta.4
+#### 1.12.0-beta.5
 
 * Fixes and improvements
 

docs/installation/package-manager.md

@@ -41,23 +41,24 @@ icon: material/package
 
 ## :material-download-box: Manual Installation
 
-   The script download and install the latest package from GitHub releases for deb or rpm based Linux distributions, ArchLinux and OpenWrt.
+The script download and install the latest package from GitHub releases
+for deb or rpm based Linux distributions, ArchLinux and OpenWrt.
 
-   ```shell
-   curl -fsSL https://sing-box.app/install.sh | sh
-   ```
+```shell
+curl -fsSL https://sing-box.app/install.sh | sh
+```
 
-   or latest beta:
+or latest beta:
 
-   ```shell
-   curl -fsSL https://sing-box.app/install.sh | sh -s -- --beta
-   ```
+```shell
+curl -fsSL https://sing-box.app/install.sh | sh -s -- --beta
+```
 
-   or specific version:
+or specific version:
 
-   ```shell
-   curl -fsSL https://sing-box.app/install.sh | sh -s -- --version <version>
-   ```
+```shell
+curl -fsSL https://sing-box.app/install.sh | sh -s -- --version <version>
+```
 
 ## :material-book-lock-open: Managed Installation
 

docs/installation/package-manager.zh.md

@@ -41,24 +41,23 @@ icon: material/package
 
 ## :material-download-box: 手动安装
 
-=== ":material-debian: Debian / DEB"
+该脚本从 GitHub 发布中下载并安装最新的软件包，适用于基于 deb 或 rpm 的 Linux 发行版、ArchLinux 和 OpenWrt。
 
-    ```bash
-    bash <(curl -fsSL https://sing-box.app/deb-install.sh)
-    ```
+```shell
+curl -fsSL https://sing-box.app/install.sh | sh
+```
 
-=== ":material-redhat: Redhat / RPM"
+或最新测试版：
 
-    ```bash
-    bash <(curl -fsSL https://sing-box.app/rpm-install.sh)
-    ```
-    （这适用于任何使用 `rpm` 和 `systemd` 的发行版。由于 `rpm` 定义依赖关系的方式，如果安装成功，就多半能用。）
+```shell
+curl -fsSL https://sing-box.app/install.sh | sh -s -- --beta
+```
 
-=== ":simple-archlinux: Archlinux / PKG"
+或指定版本：
 
-    ```bash
-    bash <(curl -fsSL https://sing-box.app/arch-install.sh)
-    ```
+```shell
+curl -fsSL https://sing-box.app/install.sh | sh -s -- --version <version>
+```
 
 ## :material-book-lock-open: 托管安装
 

docs/installation/tools/install.sh

@@ -3,76 +3,92 @@
 download_beta=false
 download_version=""
 
-for arg in "$@"; do
-  if [[ "$arg" == "--beta" ]]; then
+while [ $# -gt 0 ]; do
+  case "$1" in
+    --beta)
       download_beta=true
-  elif [[ "$arg" == "--version" ]]; then
-    download_version=true
-  elif [[ "$download_version" == 'true' ]]; then
-    download_version="$arg"
-  else
-    echo "Unknown argument: $arg"
+      shift
+      ;;
+    --version)
+      shift
+      if [ $# -eq 0 ]; then
+        echo "Missing argument for --version"
         echo "Usage: $0 [--beta] [--version <version>]"
         exit 1
       fi
+      download_version="$1"
+      shift
+      ;;
+    *)
+      echo "Unknown argument: $1"
+      echo "Usage: $0 [--beta] [--version <version>]"
+      exit 1
+      ;;
+  esac
 done
 
-if [[ $(command -v dpkg) ]]; then
-  os="linux"
-  arch=$(dpkg --print-architecture)
-  package_suffix=".deb"
-  package_install="dpkg -i"
-elif [[ $(command -v dnf) ]]; then
-  os="linux"
-  arch=$(uname -m)
-  package_suffix=".rpm"
-  package_install="dnf install -y"
-elif [[ $(command -v rpm) ]]; then
-  os="linux"
-  arch=$(uname -m)
-  package_suffix=".rpm"
-  package_install="rpm -i"
-elif [[ $(command -v pacman) ]]; then
+if command -v pacman >/dev/null 2>&1; then
   os="linux"
   arch=$(uname -m)
   package_suffix=".pkg.tar.zst"
   package_install="pacman -U --noconfirm"
-elif [[ $(command -v opkg) ]]; then
+elif command -v dpkg >/dev/null 2>&1; then
+  os="linux"
+  arch=$(dpkg --print-architecture)
+  package_suffix=".deb"
+  package_install="dpkg -i"
+elif command -v dnf >/dev/null 2>&1; then
+  os="linux"
+  arch=$(uname -m)
+  package_suffix=".rpm"
+  package_install="dnf install -y"
+elif command -v rpm >/dev/null 2>&1; then
+  os="linux"
+  arch=$(uname -m)
+  package_suffix=".rpm"
+  package_install="rpm -i"
+elif command -v opkg >/dev/null 2>&1; then
   os="openwrt"
-  source /etc/os-release
+  . /etc/os-release
   arch="$OPENWRT_ARCH"
   package_suffix=".ipk"
-  package_install="opkg update && opkg install -y"
+  package_install="opkg update && opkg install"
 else
   echo "Missing supported package manager."
   exit 1
 fi
 
-if [[ -z "$download_version" ]]; then
-  if [[ "$download_beta" != 'true' ]]; then
-    if [[ -n "$GITHUB_TOKEN" ]]; then
-      latest_release=$(curl -s --fail-with-body -H "Authorization: token ${GITHUB_TOKEN}" https://api.github.com/repos/SagerNet/sing-box/releases/latest)
+if [ -z "$download_version" ]; then
+  if [ "$download_beta" != "true" ]; then
+    if [ -n "$GITHUB_TOKEN" ]; then
+      latest_release=$(curl -s -H "Authorization: token ${GITHUB_TOKEN}" https://api.github.com/repos/SagerNet/sing-box/releases/latest)
     else
-      latest_release=$(curl -s --fail-with-body https://api.github.com/repos/SagerNet/sing-box/releases/latest)
+      latest_release=$(curl -s https://api.github.com/repos/SagerNet/sing-box/releases/latest)
     fi
     curl_exit_status=$?
-    if [[ $curl_exit_status -ne 0 ]]; then
-      echo "$latest_release"
-      exit $?
+    if [ $curl_exit_status -ne 0 ]; then
+      exit $curl_exit_status
     fi
-    download_version=$(echo "$latest_release" | grep tag_name | cut -d ":" -f2 | sed 's/\"//g;s/\,//g;s/\ //g;s/v//')
+    if [ "$(echo "$latest_release" | grep tag_name | wc -l)" -eq 0 ]; then
+      echo "$latest_release"
+      exit 1
+    fi
+    download_version=$(echo "$latest_release" | grep tag_name | head -n 1 | awk -F: '{print $2}' | sed 's/[", v]//g')
   else
-    if [[ -n "$GITHUB_TOKEN" ]]; then
-      latest_release=$(curl -s --fail-with-body -H "Authorization: token ${GITHUB_TOKEN}" https://api.github.com/repos/SagerNet/sing-box/releases)
+    if [ -n "$GITHUB_TOKEN" ]; then
+      latest_release=$(curl -s -H "Authorization: token ${GITHUB_TOKEN}" https://api.github.com/repos/SagerNet/sing-box/releases)
     else
-      latest_release=$(curl -s --fail-with-body https://api.github.com/repos/SagerNet/sing-box/releases)
+      latest_release=$(curl -s https://api.github.com/repos/SagerNet/sing-box/releases)
     fi
     curl_exit_status=$?
-    if [[ $? -ne 0 ]]; then
-      echo "$latest_release"
-      exit $?
+    if [ $curl_exit_status -ne 0 ]; then
+      exit $curl_exit_status
     fi
-    download_version=$(echo "$latest_release" | grep tag_name | head -n 1 | cut -d ":" -f2 | sed 's/\"//g;s/\,//g;s/\ //g;s/v//')
+    if [ "$(echo "$latest_release" | grep tag_name | wc -l)" -eq 0 ]; then
+      echo "$latest_release"
+      exit 1
+    fi
+    download_version=$(echo "$latest_release" | grep tag_name | head -n 1 | awk -F: '{print $2}' | sed 's/[", v]//g')
   fi
 fi
 
@@ -80,18 +96,21 @@ package_name="sing-box_${download_version}_${os}_${arch}${package_suffix}"
 package_url="https://github.com/SagerNet/sing-box/releases/download/v${download_version}/${package_name}"
 
 echo "Downloading $package_url"
-if [[ -n "$GITHUB_TOKEN" ]]; then
-  curl --fail-with-body -Lo "$package_name" -H "Authorization: token ${GITHUB_TOKEN}" "$package_url"
+if [ -n "$GITHUB_TOKEN" ]; then
+  curl --fail -Lo "$package_name" -H "Authorization: token ${GITHUB_TOKEN}" "$package_url"
 else
-  curl --fail-with-body -Lo "$package_name" "$package_url"
+  curl --fail -Lo "$package_name" "$package_url"
 fi
 
-if [[ $? -ne 0 ]]; then
-  exit $?
+curl_exit_status=$?
+if [ $curl_exit_status -ne 0 ]; then
+  exit $curl_exit_status
 fi
 
-if [[ $(command -v sudo) ]]; then
+if command -v sudo >/dev/null 2>&1; then
   package_install="sudo $package_install"
 fi
 
-echo "$package_install $package_name" && $package_install "$package_name" && rm "$package_name"
+echo "$package_install $package_name"
+sh -c "$package_install \"$package_name\""
+rm -f "$package_name"

experimental/clashapi/api_meta.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"net"
 	"net/http"
+	"runtime/debug"
 	"time"
 
 	"github.com/sagernet/sing-box/experimental/clashapi/trafficontrol"
@@ -12,14 +13,23 @@ import (
 	"github.com/sagernet/ws/wsutil"
 
 	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
 	"github.com/go-chi/render"
 )
 
 // API created by Clash.Meta
 
 func (s *Server) setupMetaAPI(r chi.Router) {
+	if s.logDebug {
+		r := chi.NewRouter()
+		r.Put("/gc", func(w http.ResponseWriter, r *http.Request) {
+			debug.FreeOSMemory()
+		})
+		r.Mount("/", middleware.Profiler())
+	}
 	r.Get("/memory", memory(s.trafficManager))
 	r.Mount("/group", groupRouter(s))
+	r.Mount("/upgrade", upgradeRouter(s))
 }
 
 type Memory struct {

experimental/clashapi/api_meta_upgrade.go

@@ -0,0 +1,36 @@
+package clashapi
+
+import (
+	"net/http"
+
+	E "github.com/sagernet/sing/common/exceptions"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/render"
+)
+
+func upgradeRouter(server *Server) http.Handler {
+	r := chi.NewRouter()
+	r.Post("/ui", updateExternalUI(server))
+	return r
+}
+
+func updateExternalUI(server *Server) func(w http.ResponseWriter, r *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if server.externalUI == "" {
+			render.Status(r, http.StatusNotFound)
+			render.JSON(w, r, newError("external UI not enabled"))
+			return
+		}
+		server.logger.Info("upgrading external UI")
+		err := server.downloadExternalUI()
+		if err != nil {
+			server.logger.Error(E.Cause(err, "upgrade external ui"))
+			render.Status(r, http.StatusInternalServerError)
+			render.JSON(w, r, newError(err.Error()))
+			return
+		}
+		server.logger.Info("updated external UI")
+		render.JSON(w, r, render.M{"status": "ok"})
+	}
+}

experimental/clashapi/server.go

@@ -49,6 +49,8 @@ type Server struct {
 	httpServer     *http.Server
 	trafficManager *trafficontrol.Manager
 	urlTestHistory adapter.URLTestHistoryStorage
+	logDebug       bool
+
 	mode           string
 	modeList       []string
 	modeUpdateHook chan<- struct{}
@@ -74,6 +76,7 @@ func NewServer(ctx context.Context, logFactory log.ObservableFactory, options op
 			Handler: chiRouter,
 		},
 		trafficManager:           trafficManager,
+		logDebug:                 logFactory.Level() >= log.LevelDebug,
 		modeList:                 options.ModeList,
 		externalController:       options.ExternalController != "",
 		externalUIDownloadURL:    options.ExternalUIDownloadURL,

go.mod

@@ -26,18 +26,18 @@ require (
 	github.com/sagernet/gvisor v0.0.0-20250325023245-7a9c0f5725fb
 	github.com/sagernet/quic-go v0.49.0-beta.1
 	github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691
-	github.com/sagernet/sing v0.6.7-0.20250409030945-77e2a1bb577c
+	github.com/sagernet/sing v0.6.8-0.20250425035333-84184da91a3a
 	github.com/sagernet/sing-mux v0.3.1
-	github.com/sagernet/sing-quic v0.4.1
+	github.com/sagernet/sing-quic v0.4.1-0.20250423030647-0eb05f373a76
 	github.com/sagernet/sing-shadowsocks v0.2.7
 	github.com/sagernet/sing-shadowsocks2 v0.2.0
 	github.com/sagernet/sing-shadowtls v0.2.1-0.20250316154757-6f9e732e5056
 	github.com/sagernet/sing-tun v0.6.5-0.20250412112220-15069fc1c20a
-	github.com/sagernet/sing-vmess v0.2.0
+	github.com/sagernet/sing-vmess v0.2.1
 	github.com/sagernet/smux v0.0.0-20231208180855-7041f6ea79e7
-	github.com/sagernet/tailscale v1.80.3-mod.2
+	github.com/sagernet/tailscale v1.80.3-mod.4
 	github.com/sagernet/utls v1.6.7
-	github.com/sagernet/wireguard-go v0.0.1-beta.5
+	github.com/sagernet/wireguard-go v0.0.1-beta.7
 	github.com/sagernet/ws v0.0.0-20231204124109-acfe8907c854
 	github.com/spf13/cobra v1.8.1
 	github.com/stretchr/testify v1.10.0

go.sum

@@ -178,12 +178,12 @@ github.com/sagernet/quic-go v0.49.0-beta.1/go.mod h1:uesWD1Ihrldq1M3XtjuEvIUqi8W
 github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691 h1:5Th31OC6yj8byLGkEnIYp6grlXfo1QYUfiYFGjewIdc=
 github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691/go.mod h1:B8lp4WkQ1PwNnrVMM6KyuFR20pU8jYBD+A4EhJovEXU=
 github.com/sagernet/sing v0.2.18/go.mod h1:OL6k2F0vHmEzXz2KW19qQzu172FDgSbUSODylighuVo=
-github.com/sagernet/sing v0.6.7-0.20250409030945-77e2a1bb577c h1:Zi+WR7f9SQ96yNHmyxj42BtaVb3kTouQ8bQLBHReTSI=
-github.com/sagernet/sing v0.6.7-0.20250409030945-77e2a1bb577c/go.mod h1:ARkL0gM13/Iv5VCZmci/NuoOlePoIsW0m7BWfln/Hak=
+github.com/sagernet/sing v0.6.8-0.20250425035333-84184da91a3a h1:oE67hmp5rzLlE6clE7FpK4Hg6yLXsa1Zu3A01vcazb0=
+github.com/sagernet/sing v0.6.8-0.20250425035333-84184da91a3a/go.mod h1:ARkL0gM13/Iv5VCZmci/NuoOlePoIsW0m7BWfln/Hak=
 github.com/sagernet/sing-mux v0.3.1 h1:kvCc8HyGAskDHDQ0yQvoTi/7J4cZPB/VJMsAM3MmdQI=
 github.com/sagernet/sing-mux v0.3.1/go.mod h1:Mkdz8LnDstthz0HWuA/5foncnDIdcNN5KZ6AdJX+x78=
-github.com/sagernet/sing-quic v0.4.1 h1:pxlMa4efZu/M07RgGagNNDDyl6ZUwpmNUjRTpgHOWK4=
-github.com/sagernet/sing-quic v0.4.1/go.mod h1:tqPa0/Wqa19MkkSlKVZZX5sHxtiDR9BROcn4ufcbVdY=
+github.com/sagernet/sing-quic v0.4.1-0.20250423030647-0eb05f373a76 h1:iwpCX6H3nZEOGUGwx0q5azcgYOA9f6v9YssihXoRKHk=
+github.com/sagernet/sing-quic v0.4.1-0.20250423030647-0eb05f373a76/go.mod h1:tqPa0/Wqa19MkkSlKVZZX5sHxtiDR9BROcn4ufcbVdY=
 github.com/sagernet/sing-shadowsocks v0.2.7 h1:zaopR1tbHEw5Nk6FAkM05wCslV6ahVegEZaKMv9ipx8=
 github.com/sagernet/sing-shadowsocks v0.2.7/go.mod h1:0rIKJZBR65Qi0zwdKezt4s57y/Tl1ofkaq6NlkzVuyE=
 github.com/sagernet/sing-shadowsocks2 v0.2.0 h1:wpZNs6wKnR7mh1wV9OHwOyUr21VkS3wKFHi+8XwgADg=
@@ -192,16 +192,16 @@ github.com/sagernet/sing-shadowtls v0.2.1-0.20250316154757-6f9e732e5056 h1:GFNJQ
 github.com/sagernet/sing-shadowtls v0.2.1-0.20250316154757-6f9e732e5056/go.mod h1:HyacBPIFiKihJQR8LQp56FM4hBtd/7MZXnRxxQIOPsc=
 github.com/sagernet/sing-tun v0.6.5-0.20250412112220-15069fc1c20a h1:2aLxZFD2HPCLrnFGpH+KBuPqMOk0cuaDE2dgEvANuMk=
 github.com/sagernet/sing-tun v0.6.5-0.20250412112220-15069fc1c20a/go.mod h1:fisFCbC4Vfb6HqQNcwPJi2CDK2bf0Xapyz3j3t4cnHE=
-github.com/sagernet/sing-vmess v0.2.0 h1:pCMGUXN2k7RpikQV65/rtXtDHzb190foTfF9IGTMZrI=
-github.com/sagernet/sing-vmess v0.2.0/go.mod h1:jDAZ0A0St1zVRkyvhAPRySOFfhC+4SQtO5VYyeFotgA=
+github.com/sagernet/sing-vmess v0.2.1 h1:6izHC2+B68aQCxTagki6eZZc+g5eh4dYwxOV5a2Lhug=
+github.com/sagernet/sing-vmess v0.2.1/go.mod h1:jDAZ0A0St1zVRkyvhAPRySOFfhC+4SQtO5VYyeFotgA=
 github.com/sagernet/smux v0.0.0-20231208180855-7041f6ea79e7 h1:DImB4lELfQhplLTxeq2z31Fpv8CQqqrUwTbrIRumZqQ=
 github.com/sagernet/smux v0.0.0-20231208180855-7041f6ea79e7/go.mod h1:FP9X2xjT/Az1EsG/orYYoC+5MojWnuI7hrffz8fGwwo=
-github.com/sagernet/tailscale v1.80.3-mod.2 h1:hT0CI74q727EuCcgQ+T4pvon8V0aoi4vTAxah7GsNMQ=
-github.com/sagernet/tailscale v1.80.3-mod.2/go.mod h1:EBxXsWu4OH2ELbQLq32WoBeIubG8KgDrg4/Oaxjs6lI=
+github.com/sagernet/tailscale v1.80.3-mod.4 h1:9UgYq8m9mwX5dbTbueVxbRh+bq7AayxemJGM2PkJQnE=
+github.com/sagernet/tailscale v1.80.3-mod.4/go.mod h1:EBxXsWu4OH2ELbQLq32WoBeIubG8KgDrg4/Oaxjs6lI=
 github.com/sagernet/utls v1.6.7 h1:Ep3+aJ8FUGGta+II2IEVNUc3EDhaRCZINWkj/LloIA8=
 github.com/sagernet/utls v1.6.7/go.mod h1:Uua1TKO/FFuAhLr9rkaVnnrTmmiItzDjv1BUb2+ERwM=
-github.com/sagernet/wireguard-go v0.0.1-beta.5 h1:aBEsxJUMEONwOZqKPIkuAcv4zJV5p6XlzEN04CF0FXc=
-github.com/sagernet/wireguard-go v0.0.1-beta.5/go.mod h1:jGXij2Gn2wbrWuYNUmmNhf1dwcZtvyAvQoe8Xd8MbUo=
+github.com/sagernet/wireguard-go v0.0.1-beta.7 h1:ltgBwYHfr+9Wz1eG59NiWnHrYEkDKHG7otNZvu85DXI=
+github.com/sagernet/wireguard-go v0.0.1-beta.7/go.mod h1:jGXij2Gn2wbrWuYNUmmNhf1dwcZtvyAvQoe8Xd8MbUo=
 github.com/sagernet/ws v0.0.0-20231204124109-acfe8907c854 h1:6uUiZcDRnZSAegryaUGwPC/Fj13JSHwiTftrXhMmYOc=
 github.com/sagernet/ws v0.0.0-20231204124109-acfe8907c854/go.mod h1:LtfoSK3+NG57tvnVEHgcuBW9ujgE8enPSgzgwStwCAA=
 github.com/spf13/cobra v1.8.1 h1:e5/vxKd/rZsfSJMUX1agtjeTDf+qv1/JdBF8gg5k9ZM=

protocol/ssh/outbound.go

@@ -10,6 +10,7 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/adapter/outbound"
@@ -191,9 +192,29 @@ func (s *Outbound) DialContext(ctx context.Context, network string, destination
 	if err != nil {
 		return nil, err
 	}
-	return client.Dial(network, destination.String())
+	conn, err := client.Dial(network, destination.String())
+	if err != nil {
+		return nil, err
+	}
+	return &chanConnWrapper{Conn: conn}, nil
 }
 
 func (s *Outbound) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
 	return nil, os.ErrInvalid
 }
+
+type chanConnWrapper struct {
+	net.Conn
+}
+
+func (c *chanConnWrapper) SetDeadline(t time.Time) error {
+	return os.ErrInvalid
+}
+
+func (c *chanConnWrapper) SetReadDeadline(t time.Time) error {
+	return os.ErrInvalid
+}
+
+func (c *chanConnWrapper) SetWriteDeadline(t time.Time) error {
+	return os.ErrInvalid
+}

route/route.go

@@ -418,6 +418,7 @@ match:
 					Port: metadata.Destination.Port,
 					Fqdn: routeOptions.OverrideAddress.Fqdn,
 				}
+				metadata.DestinationAddresses = nil
 			}
 			if routeOptions.OverridePort > 0 {
 				metadata.Destination = M.Socksaddr{

route/rule/rule_default.go

@@ -102,7 +102,10 @@ func NewDefaultRule(ctx context.Context, logger log.ContextLogger, options optio
 		rule.allItems = append(rule.allItems, item)
 	}
 	if len(options.Domain) > 0 || len(options.DomainSuffix) > 0 {
-		item := NewDomainItem(options.Domain, options.DomainSuffix)
+		item, err := NewDomainItem(options.Domain, options.DomainSuffix)
+		if err != nil {
+			return nil, err
+		}
 		rule.destinationAddressItems = append(rule.destinationAddressItems, item)
 		rule.allItems = append(rule.allItems, item)
 	}

route/rule/rule_dns.go

@@ -93,7 +93,10 @@ func NewDefaultDNSRule(ctx context.Context, logger log.ContextLogger, options op
 		rule.allItems = append(rule.allItems, item)
 	}
 	if len(options.Domain) > 0 || len(options.DomainSuffix) > 0 {
-		item := NewDomainItem(options.Domain, options.DomainSuffix)
+		item, err := NewDomainItem(options.Domain, options.DomainSuffix)
+		if err != nil {
+			return nil, err
+		}
 		rule.destinationAddressItems = append(rule.destinationAddressItems, item)
 		rule.allItems = append(rule.allItems, item)
 	}

route/rule/rule_headless.go

@@ -47,7 +47,10 @@ func NewDefaultHeadlessRule(ctx context.Context, options option.DefaultHeadlessR
 		rule.allItems = append(rule.allItems, item)
 	}
 	if len(options.Domain) > 0 || len(options.DomainSuffix) > 0 {
-		item := NewDomainItem(options.Domain, options.DomainSuffix)
+		item, err := NewDomainItem(options.Domain, options.DomainSuffix)
+		if err != nil {
+			return nil, err
+		}
 		rule.destinationAddressItems = append(rule.destinationAddressItems, item)
 		rule.allItems = append(rule.allItems, item)
 	} else if options.DomainMatcher != nil {

route/rule/rule_item_domain.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing/common/domain"
+	E "github.com/sagernet/sing/common/exceptions"
 )
 
 var _ RuleItem = (*DomainItem)(nil)
@@ -14,7 +15,17 @@ type DomainItem struct {
 	description string
 }
 
-func NewDomainItem(domains []string, domainSuffixes []string) *DomainItem {
+func NewDomainItem(domains []string, domainSuffixes []string) (*DomainItem, error) {
+	for _, domainItem := range domains {
+		if domainItem == "" {
+			return nil, E.New("domain: empty item is not allowed")
+		}
+	}
+	for _, domainSuffixItem := range domainSuffixes {
+		if domainSuffixItem == "" {
+			return nil, E.New("domain_suffix: empty item is not allowed")
+		}
+	}
 	var description string
 	if dLen := len(domains); dLen > 0 {
 		if dLen == 1 {
@@ -40,7 +51,7 @@ func NewDomainItem(domains []string, domainSuffixes []string) *DomainItem {
 	return &DomainItem{
 		domain.NewMatcher(domains, domainSuffixes, false),
 		description,
-	}
+	}, nil
 }
 
 func NewRawDomainItem(matcher *domain.Matcher) *DomainItem {

transport/v2raywebsocket/client.go

@@ -91,10 +91,7 @@ func (c *Client) dialContext(ctx context.Context, requestURL *url.URL, headers h
 	} else {
 		deadlineConn = conn
 	}
-	err = deadlineConn.SetDeadline(time.Now().Add(C.TCPTimeout))
-	if err != nil {
-		return nil, E.Cause(err, "set read deadline")
-	}
+	deadlineConn.SetDeadline(time.Now().Add(C.TCPTimeout))
 	var protocols []string
 	if protocolHeader := headers.Get("Sec-WebSocket-Protocol"); protocolHeader != "" {
 		protocols = []string{protocolHeader}