documentation: Bump version

gobind executable name is not exactly `gobind` on windows it's `gobind.exe`

Signed-off-by: Devman <85770917+amir-devman@users.noreply.github.com>

.github/FUNDING.yml

@@ -0,0 +1 @@
+github: nekohasekai

.github/workflows/debug.yml

@@ -25,22 +25,10 @@ jobs:
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
         with:
           fetch-depth: 0
-      - name: Get latest go version
-        id: version
-        run: |
-          echo go_version=$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g') >> $GITHUB_OUTPUT
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ${{ steps.version.outputs.go_version }}
-      - name: Add cache to Go proxy
-        run: |
-          version=`git rev-parse HEAD`
-          mkdir build
-          pushd build
-          go mod init build
-          go get -v github.com/sagernet/sing-box@$version
-          popd
+          go-version: ^1.21
         continue-on-error: true
       - name: Run Test
         run: |
@@ -56,7 +44,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: 1.18.10
+          go-version: ~1.18
       - name: Cache go module
         uses: actions/cache@v3
         with:
@@ -76,13 +64,13 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: 1.20.7
+          go-version: ^1.20
       - name: Cache go module
         uses: actions/cache@v3
         with:
           path: |
             ~/go/pkg/mod
-          key: go118-${{ hashFiles('**/go.sum') }}
+          key: go120-${{ hashFiles('**/go.sum') }}
       - name: Run Test
         run: make ci_build
   cross:
@@ -188,8 +176,7 @@ jobs:
           - name: freebsd-arm64
             goos: freebsd
             goarch: arm64
-
-      fail-fast: false
+      fail-fast: true
     runs-on: ubuntu-latest
     env:
       GOOS: ${{ matrix.goos }}
@@ -204,19 +191,10 @@ jobs:
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
         with:
           fetch-depth: 0
-      - name: Get latest go version
-        id: version
-        run: |
-          echo go_version=$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g') >> $GITHUB_OUTPUT
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ${{ steps.version.outputs.go_version }}
+          go-version: ^1.21
       - name: Build
         id: build
-        run: make
-      - name: Upload artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: sing-box-${{ matrix.name }}
-          path: sing-box*
+        run: make

.github/workflows/docker.yml

@@ -1,9 +1,10 @@
 name: Build Docker Images
+
 on:
-  workflow_dispatch:
-    inputs:
-      tag:
-        description: "The tag version you want to build"
+  release:
+    types:
+      - published
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -25,15 +26,6 @@ jobs:
         uses: docker/metadata-action@v5
         with:
           images: ghcr.io/sagernet/sing-box
-      - name: Get tag to build
-        id: tag
-        run: |
-          echo "latest=ghcr.io/sagernet/sing-box:latest" >> $GITHUB_OUTPUT
-          if [[ -z "${{ github.event.inputs.tag }}" ]]; then
-            echo "versioned=ghcr.io/sagernet/sing-box:${{ github.ref_name }}" >> $GITHUB_OUTPUT
-          else
-            echo "versioned=ghcr.io/sagernet/sing-box:${{ github.event.inputs.tag }}" >> $GITHUB_OUTPUT
-          fi
       - name: Build and release Docker images
         uses: docker/build-push-action@v5
         with:
@@ -42,6 +34,6 @@ jobs:
           build-args: |
             BUILDKIT_CONTEXT_KEEP_GIT_DIR=1
           tags: |
-            ${{ steps.tag.outputs.latest }}
-            ${{ steps.tag.outputs.versioned }}
+            ghcr.io/sagernet/sing-box:latest
+            ghcr.io/sagernet/sing-box:${{ github.ref_name }}
           push: true

.github/workflows/lint.yml

@@ -25,10 +25,10 @@ jobs:
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
         with:
           fetch-depth: 0
-      - name: Get latest go version
-        id: version
-        run: |
-          echo go_version=$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g') >> $GITHUB_OUTPUT
+      - name: Setup Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: ^1.21
       - name: Setup Go
         uses: actions/setup-go@v5
         with:

cmd/internal/build_shared/sdk.go

@@ -85,8 +85,15 @@ var GoBinPath string
 
 func FindMobile() {
 	goBin := filepath.Join(build.Default.GOPATH, "bin")
-	if !rw.FileExists(goBin + "/" + "gobind") {
-		log.Fatal("missing gomobile installation")
+
+	if runtime.GOOS == "windows" {
+		if !rw.FileExists(goBin + "/" + "gobind.exe") {
+			log.Fatal("missing gomobile.exe installation")
+		}
+	} else {
+		if !rw.FileExists(goBin + "/" + "gobind") {
+			log.Fatal("missing gomobile installation")
+		}
 	}
 	GoBinPath = goBin
 }

common/badtls/read_wait.go

@@ -108,6 +108,10 @@ func (c *ReadWaitConn) WaitReadBuffer() (buffer *buf.Buffer, err error) {
 	return
 }
 
+func (c *ReadWaitConn) Upstream() any {
+	return c.STDConn
+}
+
 //go:linkname tlsReadRecord crypto/tls.(*Conn).readRecord
 func tlsReadRecord(c *tls.STDConn) error
 

common/dialer/tfo.go

@@ -80,6 +80,7 @@ func (c *slowOpenConn) Write(b []byte) (n int, err error) {
 		c.conn = nil
 		c.err = E.Cause(err, "dial tcp fast open")
 	}
+	n = len(b)
 	close(c.create)
 	return
 }

common/srs/binary.go

@@ -253,7 +253,7 @@ func writeDefaultRule(writer io.Writer, rule option.DefaultHeadlessRule) error {
 	if len(rule.SourceIPCIDR) > 0 {
 		err = writeRuleItemCIDR(writer, ruleItemSourceIPCIDR, rule.SourceIPCIDR)
 		if err != nil {
-			return E.Cause(err, "source_ipcidr")
+			return E.Cause(err, "source_ip_cidr")
 		}
 	}
 	if len(rule.IPCIDR) > 0 {

docs/changelog.md

@@ -2,6 +2,22 @@
 icon: material/alert-decagram
 ---
 
+#### 1.8.5
+
+* Fixes and improvements
+
+#### 1.8.4
+
+* Fixes and improvements
+
+#### 1.8.2
+
+* Fixes and improvements
+
+#### 1.8.1
+
+* Fixes and improvements
+
 #### 1.8.0
 
 * Fixes and improvements

docs/manual/proxy/client.md

@@ -322,17 +322,7 @@ flowchart TB
             "server": "google"
           },
           {
-            "type": "logical",
-            "mode": "and",
-            "rules": [
-              {
-                "geosite": "geolocation-!cn",
-                "invert": true
-              },
-              {
-                "geosite": "cn",
-              }
-            ],
+            "geosite": "geolocation-cn",
             "server": "local"
           }
         ]
@@ -374,17 +364,7 @@ flowchart TB
             "server": "google"
           },
           {
-            "type": "logical",
-            "mode": "and",
-            "rules": [
-              {
-                "rule_set": "geosite-geolocation-!cn",
-                "invert": true
-              },
-              {
-                "rule_set": "geosite-cn",
-              }
-            ],
+            "rule_set": "geosite-geolocation-cn",
             "server": "local"
           }
         ]
@@ -393,15 +373,9 @@ flowchart TB
         "rule_set": [
           {
             "type": "remote",
-            "tag": "geosite-cn",
+            "tag": "geosite-geolocation-cn",
             "format": "binary",
-            "url": "https://raw.githubusercontent.com/SagerNet/sing-geosite/rule-set/geosite-cn.srs"
-          },
-          {
-            "type": "remote",
-            "tag": "geosite-geolocation-!cn",
-            "format": "binary",
-            "url": "https://raw.githubusercontent.com/SagerNet/sing-geosite/rule-set/geosite-geolocation-!cn.srs"
+            "url": "https://raw.githubusercontent.com/SagerNet/sing-geosite/rule-set/geosite-geolocation-cn.srs"
           }
         ]
       }
@@ -467,18 +441,7 @@ flowchart TB
             "outbound": "block"
           },
           {
-            "type": "logical",
-            "mode": "and",
-            "rules": [
-              {
-                "geosite": "geolocation-!cn",
-                "invert": true
-              },
-              {
-                "geosite": "cn",
-                "geoip": "cn"
-              }
-            ],
+            "geosite": "geolocation-cn",
             "outbound": "direct"
           }
         ]
@@ -545,19 +508,9 @@ flowchart TB
             "outbound": "block"
           },
           {
-            "type": "logical",
-            "mode": "and",
-            "rules": [
-              {
-                "rule_set": "geosite-geolocation-!cn",
-                "invert": true
-              },
-              {
-                "rule_set": [
-                  "geoip-cn",
-                  "geosite-cn"
-                ]
-              }
+            "rule_set": [
+              "geoip-cn",
+              "geosite-geolocation-cn"
             ],
             "outbound": "direct"
           }
@@ -571,15 +524,9 @@ flowchart TB
           },
           {
             "type": "remote",
-            "tag": "geosite-cn",
+            "tag": "geosite-geolocation-cn",
             "format": "binary",
-            "url": "https://raw.githubusercontent.com/SagerNet/sing-geosite/rule-set/geosite-cn.srs"
-          },
-          {
-            "type": "remote",
-            "tag": "geosite-geolocation-!cn",
-            "format": "binary",
-            "url": "https://raw.githubusercontent.com/SagerNet/sing-geosite/rule-set/geosite-geolocation-!cn.srs"
+            "url": "https://raw.githubusercontent.com/SagerNet/sing-geosite/rule-set/geosite-geolocation-cn.srs"
           }
         ]
       }

experimental/libbox/command_server.go

@@ -93,13 +93,11 @@ func (s *CommandServer) listenUNIX() error {
 	if err != nil {
 		return E.Cause(err, "listen ", sockPath)
 	}
-	if sUserID > 0 {
-		err = os.Chown(sockPath, sUserID, sGroupID)
-		if err != nil {
-			listener.Close()
-			os.Remove(sockPath)
-			return E.Cause(err, "chown")
-		}
+	err = os.Chown(sockPath, sUserID, sGroupID)
+	if err != nil {
+		listener.Close()
+		os.Remove(sockPath)
+		return E.Cause(err, "chown")
 	}
 	s.listener = listener
 	go s.loopConnection(listener)

experimental/libbox/log.go

@@ -20,13 +20,11 @@ func RedirectStderr(path string) error {
 		return err
 	}
 	if runtime.GOOS != "android" {
-		if sUserID > 0 {
-			err = outputFile.Chown(sUserID, sGroupID)
-			if err != nil {
-				outputFile.Close()
-				os.Remove(outputFile.Name())
-				return err
-			}
+		err = outputFile.Chown(sUserID, sGroupID)
+		if err != nil {
+			outputFile.Close()
+			os.Remove(outputFile.Name())
+			return err
 		}
 	}
 	err = unix.Dup2(int(outputFile.Fd()), int(os.Stderr.Fd()))

experimental/libbox/monitor.go

@@ -97,6 +97,17 @@ func (m *platformDefaultInterfaceMonitor) UnregisterCallback(element *list.Eleme
 }
 
 func (m *platformDefaultInterfaceMonitor) UpdateDefaultInterface(interfaceName string, interfaceIndex32 int32) {
+	if interfaceName == "" || interfaceIndex32 == -1 {
+		m.defaultInterfaceName = ""
+		m.defaultInterfaceIndex = -1
+		m.access.Lock()
+		callbacks := m.callbacks.Array()
+		m.access.Unlock()
+		for _, callback := range callbacks {
+			callback(tun.EventNoRoute)
+		}
+		return
+	}
 	var err error
 	if m.iif.UsePlatformInterfaceGetter() {
 		err = m.updateInterfacesPlatform()
@@ -110,28 +121,6 @@ func (m *platformDefaultInterfaceMonitor) UpdateDefaultInterface(interfaceName s
 		m.logger.Error(E.Cause(err, "update interfaces"))
 	}
 	interfaceIndex := int(interfaceIndex32)
-	if interfaceName == "" {
-		for _, netIf := range m.networkAddresses {
-			if netIf.interfaceIndex == interfaceIndex {
-				interfaceName = netIf.interfaceName
-				break
-			}
-		}
-	} else if interfaceIndex == -1 {
-		for _, netIf := range m.networkAddresses {
-			if netIf.interfaceName == interfaceName {
-				interfaceIndex = netIf.interfaceIndex
-				break
-			}
-		}
-	}
-	if interfaceName == "" {
-		m.logger.Error(E.New("invalid interface name for ", interfaceIndex))
-		return
-	} else if interfaceIndex == -1 {
-		m.logger.Error(E.New("invalid interface index for ", interfaceName))
-		return
-	}
 	if m.defaultInterfaceName == interfaceName && m.defaultInterfaceIndex == interfaceIndex {
 		return
 	}

experimental/libbox/service_error.go

@@ -0,0 +1,32 @@
+package libbox
+
+import (
+	"os"
+	"path/filepath"
+)
+
+func serviceErrorPath() string {
+	return filepath.Join(sWorkingPath, "network_extension_error")
+}
+
+func ClearServiceError() {
+	os.Remove(serviceErrorPath())
+}
+
+func ReadServiceError() (string, error) {
+	data, err := os.ReadFile(serviceErrorPath())
+	if err == nil {
+		os.Remove(serviceErrorPath())
+	}
+	return string(data), err
+}
+
+func WriteServiceError(message string) error {
+	errorFile, err := os.Create(serviceErrorPath())
+	if err != nil {
+		return err
+	}
+	errorFile.WriteString(message)
+	errorFile.Chown(sUserID, sGroupID)
+	return errorFile.Close()
+}

experimental/libbox/setup.go

@@ -25,6 +25,8 @@ func Setup(basePath string, workingPath string, tempPath string, isTVOS bool) {
 	sUserID = os.Getuid()
 	sGroupID = os.Getgid()
 	sTVOS = isTVOS
+	os.MkdirAll(sWorkingPath, 0o777)
+	os.MkdirAll(sTempPath, 0o777)
 }
 
 func SetupWithUsername(basePath string, workingPath string, tempPath string, username string) error {
@@ -37,6 +39,10 @@ func SetupWithUsername(basePath string, workingPath string, tempPath string, use
 	}
 	sUserID, _ = strconv.Atoi(sUser.Uid)
 	sGroupID, _ = strconv.Atoi(sUser.Gid)
+	os.MkdirAll(sWorkingPath, 0o777)
+	os.MkdirAll(sTempPath, 0o777)
+	os.Chown(sWorkingPath, sUserID, sGroupID)
+	os.Chown(sTempPath, sUserID, sGroupID)
 	return nil
 }
 

go.mod

@@ -5,7 +5,7 @@ go 1.20
 require (
 	berty.tech/go-libtor v1.0.385
 	github.com/caddyserver/certmagic v0.20.0
-	github.com/cloudflare/circl v1.3.6
+	github.com/cloudflare/circl v1.3.7
 	github.com/cretz/bine v0.2.0
 	github.com/fsnotify/fsnotify v1.7.0
 	github.com/go-chi/chi/v5 v5.0.11
@@ -17,23 +17,23 @@ require (
 	github.com/libdns/cloudflare v0.1.0
 	github.com/logrusorgru/aurora v2.0.3+incompatible
 	github.com/mholt/acmez v1.2.0
-	github.com/miekg/dns v1.1.57
+	github.com/miekg/dns v1.1.58
 	github.com/ooni/go-libtor v1.1.8
 	github.com/oschwald/maxminddb-golang v1.12.0
 	github.com/sagernet/bbolt v0.0.0-20231014093535-ea5cb2fe9f0a
 	github.com/sagernet/cloudflare-tls v0.0.0-20231208171750-a4483c1b7cd1
 	github.com/sagernet/gomobile v0.1.1
 	github.com/sagernet/gvisor v0.0.0-20231209105102-8d27a30e436e
-	github.com/sagernet/quic-go v0.40.1-beta.2
+	github.com/sagernet/quic-go v0.40.1
 	github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691
-	github.com/sagernet/sing v0.3.0-rc.7
+	github.com/sagernet/sing v0.3.0
 	github.com/sagernet/sing-dns v0.1.12
-	github.com/sagernet/sing-mux v0.1.8-rc.1
-	github.com/sagernet/sing-quic v0.1.7-rc.2
+	github.com/sagernet/sing-mux v0.2.0
+	github.com/sagernet/sing-quic v0.1.8
 	github.com/sagernet/sing-shadowsocks v0.2.6
-	github.com/sagernet/sing-shadowsocks2 v0.1.6-rc.1
+	github.com/sagernet/sing-shadowsocks2 v0.2.0
 	github.com/sagernet/sing-shadowtls v0.1.4
-	github.com/sagernet/sing-tun v0.2.0-rc.1
+	github.com/sagernet/sing-tun v0.2.1
 	github.com/sagernet/sing-vmess v0.1.8
 	github.com/sagernet/smux v0.0.0-20231208180855-7041f6ea79e7
 	github.com/sagernet/tfo-go v0.0.0-20231209031829-7b5343ac1dc6
@@ -44,9 +44,9 @@ require (
 	github.com/stretchr/testify v1.8.4
 	go.uber.org/zap v1.26.0
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
-	golang.org/x/crypto v0.17.0
-	golang.org/x/net v0.19.0
-	golang.org/x/sys v0.15.0
+	golang.org/x/crypto v0.18.0
+	golang.org/x/net v0.20.0
+	golang.org/x/sys v0.16.0
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6
 	google.golang.org/grpc v1.60.1
 	google.golang.org/protobuf v1.32.0
@@ -86,11 +86,11 @@ require (
 	github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 // indirect
 	github.com/zeebo/blake3 v0.2.3 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/exp v0.0.0-20231226003508-02704c960a9b // indirect
+	golang.org/x/exp v0.0.0-20240119083558-1b970713d09a // indirect
 	golang.org/x/mod v0.14.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
-	golang.org/x/tools v0.16.0 // indirect
+	golang.org/x/tools v0.17.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20231002182017-d307bd883b97 // indirect
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -6,8 +6,8 @@ github.com/andybalholm/brotli v1.0.6 h1:Yf9fFpf49Zrxb9NlQaluyE92/+X7UVHlhMNJN2sx
 github.com/andybalholm/brotli v1.0.6/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
 github.com/caddyserver/certmagic v0.20.0 h1:bTw7LcEZAh9ucYCRXyCpIrSAGplplI0vGYJ4BpCQ/Fc=
 github.com/caddyserver/certmagic v0.20.0/go.mod h1:N4sXgpICQUskEWpj7zVzvWD41p3NYacrNoZYiRM2jTg=
-github.com/cloudflare/circl v1.3.6 h1:/xbKIqSHbZXHwkhbrhrt2YOHIwYJlXH94E3tI/gDlUg=
-github.com/cloudflare/circl v1.3.6/go.mod h1:5XYMA4rFBvNIrhs50XuiBJ15vF2pZn4nnUKZrLbUZFA=
+github.com/cloudflare/circl v1.3.7 h1:qlCDlTPz2n9fu58M0Nh1J/JzcFpfgkFHHX3O35r5vcU=
+github.com/cloudflare/circl v1.3.7/go.mod h1:sRTcRWXGLrKw6yIGJ+l7amYJFfAXbZG0kBSc8r4zxgA=
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/cretz/bine v0.1.0/go.mod h1:6PF6fWAvYtwjRGkAuDEJeWNOv3a2hUouSP/yRYXmvHw=
 github.com/cretz/bine v0.2.0 h1:8GiDRGlTgz+o8H9DSnsl+5MeBK4HsExxgl6WgzOCuZo=
@@ -74,8 +74,8 @@ github.com/logrusorgru/aurora v2.0.3+incompatible h1:tOpm7WcpBTn4fjmVfgpQq0EfczG
 github.com/logrusorgru/aurora v2.0.3+incompatible/go.mod h1:7rIyQOR62GCctdiQpZ/zOJlFyk6y+94wXzv6RNZgaR4=
 github.com/mholt/acmez v1.2.0 h1:1hhLxSgY5FvH5HCnGUuwbKY2VQVo8IU7rxXKSnZ7F30=
 github.com/mholt/acmez v1.2.0/go.mod h1:VT9YwH1xgNX1kmYY89gY8xPJC84BFAisjo8Egigt4kE=
-github.com/miekg/dns v1.1.57 h1:Jzi7ApEIzwEPLHWRcafCN9LZSBbqQpxjt/wpgvg7wcM=
-github.com/miekg/dns v1.1.57/go.mod h1:uqRjCRUuEAA6qsOiJvDd+CFo/vW+y5WR6SNmHE55hZk=
+github.com/miekg/dns v1.1.58 h1:ca2Hdkz+cDg/7eNF6V56jjzuZ4aCAE+DbVkILdQWG/4=
+github.com/miekg/dns v1.1.58/go.mod h1:Ypv+3b/KadlvW9vJfXOTf300O4UqaHFzFCuHz+rPkBY=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/onsi/ginkgo/v2 v2.9.7 h1:06xGQy5www2oN160RtEZoTvnP2sPhEfePYmCDc2szss=
@@ -104,27 +104,27 @@ github.com/sagernet/gvisor v0.0.0-20231209105102-8d27a30e436e h1:DOkjByVeAR56dks
 github.com/sagernet/gvisor v0.0.0-20231209105102-8d27a30e436e/go.mod h1:fLxq/gtp0qzkaEwywlRRiGmjOK5ES/xUzyIKIFP2Asw=
 github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97 h1:iL5gZI3uFp0X6EslacyapiRz7LLSJyr4RajF/BhMVyE=
 github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97/go.mod h1:xLnfdiJbSp8rNqYEdIW/6eDO4mVoogml14Bh2hSiFpM=
-github.com/sagernet/quic-go v0.40.1-beta.2 h1:USRwm36XuAFdcrmv4vDRD+YUOO08DfvLNruXThrVHZU=
-github.com/sagernet/quic-go v0.40.1-beta.2/go.mod h1:CcKTpzTAISxrM4PA5M20/wYuz9Tj6Tx4DwGbNl9UQrU=
+github.com/sagernet/quic-go v0.40.1 h1:qLeTIJR0d0JWRmDWo346nLsVN6EWihd1kalJYPEd0TM=
+github.com/sagernet/quic-go v0.40.1/go.mod h1:CcKTpzTAISxrM4PA5M20/wYuz9Tj6Tx4DwGbNl9UQrU=
 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 v0.3.0-rc.7 h1:FmnzFRYC6usVgWf112cUxiexwvL+iAurKmCL4Axa9+A=
-github.com/sagernet/sing v0.3.0-rc.7/go.mod h1:9pfuAH6mZfgnz/YjP6xu5sxx882rfyjpcrTdUpd6w3g=
+github.com/sagernet/sing v0.3.0 h1:PIDVFZHnQAAYRL1UYqNM+0k5s8f/tb1lUW6UDcQiOc8=
+github.com/sagernet/sing v0.3.0/go.mod h1:9pfuAH6mZfgnz/YjP6xu5sxx882rfyjpcrTdUpd6w3g=
 github.com/sagernet/sing-dns v0.1.12 h1:1HqZ+ln+Rezx/aJMStaS0d7oPeX2EobSV1NT537kyj4=
 github.com/sagernet/sing-dns v0.1.12/go.mod h1:rx/DTOisneQpCgNQ4jbFU/JNEtnz0lYcHXenlVzpjEU=
-github.com/sagernet/sing-mux v0.1.8-rc.1 h1:5dsZgWmNr9W6JzQj4fb3xX2pMP0OyJH6kVtlqc2kFKA=
-github.com/sagernet/sing-mux v0.1.8-rc.1/go.mod h1:KK5zCbNujj5kn36G+wLFROOXyJhaaXLyaZWY2w7kBNQ=
-github.com/sagernet/sing-quic v0.1.7-rc.2 h1:rCWhtvzQwgkWbX4sVHYdNwzyPweoUPEgBCBatywHjMs=
-github.com/sagernet/sing-quic v0.1.7-rc.2/go.mod h1:IbKCPWXP13zd3cdu0rirtYjkMlquc5zWtc3avfSUGAw=
+github.com/sagernet/sing-mux v0.2.0 h1:4C+vd8HztJCWNYfufvgL49xaOoOHXty2+EAjnzN3IYo=
+github.com/sagernet/sing-mux v0.2.0/go.mod h1:khzr9AOPocLa+g53dBplwNDz4gdsyx/YM3swtAhlkHQ=
+github.com/sagernet/sing-quic v0.1.8 h1:G4iBXAKIII+uTzd55oZ/9cAQswGjlvHh/0yKMQioDS0=
+github.com/sagernet/sing-quic v0.1.8/go.mod h1:2w7DZXtf4MPjIGpovA3+vpI6bvOf1n1f9cQ1E2qQJSg=
 github.com/sagernet/sing-shadowsocks v0.2.6 h1:xr7ylAS/q1cQYS8oxKKajhuQcchd5VJJ4K4UZrrpp0s=
 github.com/sagernet/sing-shadowsocks v0.2.6/go.mod h1:j2YZBIpWIuElPFL/5sJAj470bcn/3QQ5lxZUNKLDNAM=
-github.com/sagernet/sing-shadowsocks2 v0.1.6-rc.1 h1:E+8OyyVg0YfFNUmxMx9jYBEhjLYMQSAMzJrUmE934bo=
-github.com/sagernet/sing-shadowsocks2 v0.1.6-rc.1/go.mod h1:wFkU7sKxyZADS/idtJqBhtc+QBf5iwX9nZO7ymcn6MM=
+github.com/sagernet/sing-shadowsocks2 v0.2.0 h1:wpZNs6wKnR7mh1wV9OHwOyUr21VkS3wKFHi+8XwgADg=
+github.com/sagernet/sing-shadowsocks2 v0.2.0/go.mod h1:RnXS0lExcDAovvDeniJ4IKa2IuChrdipolPYWBv9hWQ=
 github.com/sagernet/sing-shadowtls v0.1.4 h1:aTgBSJEgnumzFenPvc+kbD9/W0PywzWevnVpEx6Tw3k=
 github.com/sagernet/sing-shadowtls v0.1.4/go.mod h1:F8NBgsY5YN2beQavdgdm1DPlhaKQlaL6lpDdcBglGK4=
-github.com/sagernet/sing-tun v0.2.0-rc.1 h1:CnlxRgrJKAMKYNuJOcKie6TjRz8wremEq1wndLup7cA=
-github.com/sagernet/sing-tun v0.2.0-rc.1/go.mod h1:hpbL9jNAbYT9G2EHCpCXVIgSrM/2Wgnrm/Hped+8zdY=
+github.com/sagernet/sing-tun v0.2.1 h1:xZ/MkQbAX4yuOXq/s1pfhWa0lK1Ld7t4gOpSUbRl1Rs=
+github.com/sagernet/sing-tun v0.2.1/go.mod h1:w1HTPPEL575m+Ob3GOIWaTs3ZrTdgLIwoldce/p3WPU=
 github.com/sagernet/sing-vmess v0.1.8 h1:XVWad1RpTy9b5tPxdm5MCU8cGfrTGdR8qCq6HV2aCNc=
 github.com/sagernet/sing-vmess v0.1.8/go.mod h1:vhx32UNzTDUkNwOyIjcZQohre1CaytquC5mPplId8uA=
 github.com/sagernet/smux v0.0.0-20231208180855-7041f6ea79e7 h1:DImB4lELfQhplLTxeq2z31Fpv8CQqqrUwTbrIRumZqQ=
@@ -168,17 +168,17 @@ go4.org/netipx v0.0.0-20231129151722-fdeea329fbba h1:0b9z3AuHCjxk0x/opv64kcgZLBs
 go4.org/netipx v0.0.0-20231129151722-fdeea329fbba/go.mod h1:PLyyIXexvUFg3Owu6p/WfdlivPbZJsZdgWZlrGope/Y=
 golang.org/x/crypto v0.0.0-20190404164418-38d8ce5564a5/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
 golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
-golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
-golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
-golang.org/x/exp v0.0.0-20231226003508-02704c960a9b h1:kLiC65FbiHWFAOu+lxwNPujcsl8VYyTYYEZnsOO1WK4=
-golang.org/x/exp v0.0.0-20231226003508-02704c960a9b/go.mod h1:iRJReGqOEeBhDZGkGbynYwcHlctCvnjTYIamk7uXpHI=
+golang.org/x/crypto v0.18.0 h1:PGVlW0xEltQnzFZ55hkuX5+KLyrMYhHld1YHO4AKcdc=
+golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1mg=
+golang.org/x/exp v0.0.0-20240119083558-1b970713d09a h1:Q8/wZp0KX97QFTc2ywcOE0YRjZPVIx+MXInMzdvQqcA=
+golang.org/x/exp v0.0.0-20240119083558-1b970713d09a/go.mod h1:idGWGoKP1toJGkd5/ig9ZLuPcZBC3ewk7SzmH0uou08=
 golang.org/x/mod v0.14.0 h1:dGoOF9QVLYng8IHTm7BAyWqCqSheQ5pYWGhzW00YJr0=
 golang.org/x/mod v0.14.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
-golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
-golang.org/x/sync v0.5.0 h1:60k92dhOjHxJkrqnwsfl8KuaHbn/5dl0lUPUklKo3qE=
+golang.org/x/net v0.20.0 h1:aCL9BSgETF1k+blQaYUBx9hJ9LOGP3gAVemcZlf1Kpo=
+golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY=
+golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
 golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200217220822-9197077df867/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -188,10 +188,10 @@ golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
-golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
+golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/term v0.15.0 h1:y/Oo/a/q3IXu26lQgl04j/gjuBDOBlx7X6Om1j2CPW4=
+golang.org/x/term v0.16.0 h1:m+B6fahuftsE9qjo0VWp2FW0mB3MTJvR0BaMQrq0pmE=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
@@ -199,8 +199,8 @@ golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
 golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.16.0 h1:GO788SKMRunPIBCXiQyo2AaexLstOrVhuAL5YwsckQM=
-golang.org/x/tools v0.16.0/go.mod h1:kYVVN6I1mBNoB1OX+noeBjbRk4IUEPa7JJ+TJMEooJ0=
+golang.org/x/tools v0.17.0 h1:FvmRgNOcs3kOa+T20R1uhfP9F6HgG2mfxDv1vrx1Htc=
+golang.org/x/tools v0.17.0/go.mod h1:xsh6VxdV005rRVaS6SSAf9oiAqljS7UZUacMZ8Bnsps=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6 h1:CawjfCvYQH2OU3/TnxLx97WDSUDRABfT18pCOYwc2GE=
 golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6/go.mod h1:3rxYc4HtVcSG9gVaTs2GEBdehh+sYPOwKtyUWEOTb80=

mkdocs.yml

@@ -11,12 +11,14 @@ theme:
   logo: assets/icon.svg
   favicon: assets/icon.svg
   palette:
-    - scheme: default
+    - media: "(prefers-color-scheme: light)"
+      scheme: default
       primary: white
       toggle:
         icon: material/brightness-7
         name: Switch to dark mode
-    - scheme: slate
+    - media: "(prefers-color-scheme: dark)"
+      scheme: slate
       primary: black
       toggle:
         icon: material/brightness-4

outbound/direct.go

@@ -30,6 +30,7 @@ type Direct struct {
 	fallbackDelay       time.Duration
 	overrideOption      int
 	overrideDestination M.Socksaddr
+	loopBack            *loopBackDetector
 }
 
 func NewDirect(router adapter.Router, logger log.ContextLogger, tag string, options option.DirectOutboundOptions) (*Direct, error) {
@@ -50,6 +51,7 @@ func NewDirect(router adapter.Router, logger log.ContextLogger, tag string, opti
 		domainStrategy: dns.DomainStrategy(options.DomainStrategy),
 		fallbackDelay:  time.Duration(options.FallbackDelay),
 		dialer:         outboundDialer,
+		loopBack:       newLoopBackDetector(),
 	}
 	if options.ProxyProtocol != 0 {
 		return nil, E.New("Proxy Protocol is deprecated and removed in sing-box 1.6.0")
@@ -88,7 +90,11 @@ func (h *Direct) DialContext(ctx context.Context, network string, destination M.
 	case N.NetworkUDP:
 		h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
 	}
-	return h.dialer.DialContext(ctx, network, destination)
+	conn, err := h.dialer.DialContext(ctx, network, destination)
+	if err != nil {
+		return nil, err
+	}
+	return h.loopBack.NewConn(conn), nil
 }
 
 func (h *Direct) DialParallel(ctx context.Context, network string, destination M.Socksaddr, destinationAddresses []netip.Addr) (net.Conn, error) {
@@ -142,6 +148,7 @@ func (h *Direct) ListenPacket(ctx context.Context, destination M.Socksaddr) (net
 	if err != nil {
 		return nil, err
 	}
+	conn = h.loopBack.NewPacketConn(bufio.NewPacketConn(conn))
 	if originDestination != destination {
 		conn = bufio.NewNATPacketConn(bufio.NewPacketConn(conn), destination, originDestination)
 	}
@@ -149,9 +156,15 @@ func (h *Direct) ListenPacket(ctx context.Context, destination M.Socksaddr) (net
 }
 
 func (h *Direct) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
+	if h.loopBack.CheckConn(metadata.Source.AddrPort()) {
+		return E.New("reject loopback connection to ", metadata.Destination)
+	}
 	return NewConnection(ctx, h, conn, metadata)
 }
 
 func (h *Direct) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
+	if h.loopBack.CheckPacketConn(metadata.Source.AddrPort()) {
+		return E.New("reject loopback packet connection to ", metadata.Destination)
+	}
 	return NewPacketConnection(ctx, h, conn, metadata)
 }

outbound/direct_loopback_detect.go

@@ -0,0 +1,154 @@
+package outbound
+
+import (
+	"net"
+	"net/netip"
+	"sync"
+
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+)
+
+type loopBackDetector struct {
+	connAccess       sync.RWMutex
+	packetConnAccess sync.RWMutex
+	connMap          map[netip.AddrPort]bool
+	packetConnMap    map[netip.AddrPort]bool
+}
+
+func newLoopBackDetector() *loopBackDetector {
+	return &loopBackDetector{
+		connMap:       make(map[netip.AddrPort]bool),
+		packetConnMap: make(map[netip.AddrPort]bool),
+	}
+}
+
+func (l *loopBackDetector) NewConn(conn net.Conn) net.Conn {
+	connAddr := M.AddrPortFromNet(conn.LocalAddr())
+	if !connAddr.IsValid() {
+		return conn
+	}
+	if udpConn, isUDPConn := conn.(abstractUDPConn); isUDPConn {
+		l.packetConnAccess.Lock()
+		l.packetConnMap[connAddr] = true
+		l.packetConnAccess.Unlock()
+		return &loopBackDetectUDPWrapper{abstractUDPConn: udpConn, detector: l, connAddr: connAddr}
+	} else {
+		l.connAccess.Lock()
+		l.connMap[connAddr] = true
+		l.connAccess.Unlock()
+		return &loopBackDetectWrapper{Conn: conn, detector: l, connAddr: connAddr}
+	}
+}
+
+func (l *loopBackDetector) NewPacketConn(conn N.NetPacketConn) N.NetPacketConn {
+	connAddr := M.AddrPortFromNet(conn.LocalAddr())
+	if !connAddr.IsValid() {
+		return conn
+	}
+	l.packetConnAccess.Lock()
+	l.packetConnMap[connAddr] = true
+	l.packetConnAccess.Unlock()
+	return &loopBackDetectPacketWrapper{NetPacketConn: conn, detector: l, connAddr: connAddr}
+}
+
+func (l *loopBackDetector) CheckConn(connAddr netip.AddrPort) bool {
+	l.connAccess.RLock()
+	defer l.connAccess.RUnlock()
+	return l.connMap[connAddr]
+}
+
+func (l *loopBackDetector) CheckPacketConn(connAddr netip.AddrPort) bool {
+	l.packetConnAccess.RLock()
+	defer l.packetConnAccess.RUnlock()
+	return l.packetConnMap[connAddr]
+}
+
+type loopBackDetectWrapper struct {
+	net.Conn
+	detector  *loopBackDetector
+	connAddr  netip.AddrPort
+	closeOnce sync.Once
+}
+
+func (w *loopBackDetectWrapper) Close() error {
+	w.closeOnce.Do(func() {
+		w.detector.connAccess.Lock()
+		delete(w.detector.connMap, w.connAddr)
+		w.detector.connAccess.Unlock()
+	})
+	return w.Conn.Close()
+}
+
+func (w *loopBackDetectWrapper) ReaderReplaceable() bool {
+	return true
+}
+
+func (w *loopBackDetectWrapper) WriterReplaceable() bool {
+	return true
+}
+
+func (w *loopBackDetectWrapper) Upstream() any {
+	return w.Conn
+}
+
+type loopBackDetectPacketWrapper struct {
+	N.NetPacketConn
+	detector  *loopBackDetector
+	connAddr  netip.AddrPort
+	closeOnce sync.Once
+}
+
+func (w *loopBackDetectPacketWrapper) Close() error {
+	w.closeOnce.Do(func() {
+		w.detector.packetConnAccess.Lock()
+		delete(w.detector.packetConnMap, w.connAddr)
+		w.detector.packetConnAccess.Unlock()
+	})
+	return w.NetPacketConn.Close()
+}
+
+func (w *loopBackDetectPacketWrapper) ReaderReplaceable() bool {
+	return true
+}
+
+func (w *loopBackDetectPacketWrapper) WriterReplaceable() bool {
+	return true
+}
+
+func (w *loopBackDetectPacketWrapper) Upstream() any {
+	return w.NetPacketConn
+}
+
+type abstractUDPConn interface {
+	net.Conn
+	net.PacketConn
+}
+
+type loopBackDetectUDPWrapper struct {
+	abstractUDPConn
+	detector  *loopBackDetector
+	connAddr  netip.AddrPort
+	closeOnce sync.Once
+}
+
+func (w *loopBackDetectUDPWrapper) Close() error {
+	w.closeOnce.Do(func() {
+		w.detector.packetConnAccess.Lock()
+		delete(w.detector.packetConnMap, w.connAddr)
+		w.detector.packetConnAccess.Unlock()
+	})
+	return w.abstractUDPConn.Close()
+}
+
+func (w *loopBackDetectUDPWrapper) ReaderReplaceable() bool {
+	return true
+}
+
+func (w *loopBackDetectUDPWrapper) WriterReplaceable() bool {
+	return true
+}
+
+func (w *loopBackDetectUDPWrapper) Upstream() any {
+	return w.abstractUDPConn
+}

outbound/dns.go

@@ -241,7 +241,8 @@ func (d *DNS) newPacketConnection(ctx context.Context, conn N.PacketConn, readWa
 					return err
 				}
 				timeout.Update()
-				responseBuffer := buf.NewPacket()
+				response = truncateDNSMessage(response, 512) // TODO: add an option to custom UDP buffer size
+				responseBuffer := buf.NewSize(dns.FixedPacketSize)
 				responseBuffer.Resize(1024, 0)
 				n, err := response.PackBuffer(responseBuffer.FreeBytes())
 				if err != nil {
@@ -263,3 +264,21 @@ func (d *DNS) newPacketConnection(ctx context.Context, conn N.PacketConn, readWa
 	})
 	return group.Run(fastClose)
 }
+
+func truncateDNSMessage(response *mDNS.Msg, maxLen int) *mDNS.Msg {
+	responseLen := response.Len()
+	if responseLen <= maxLen {
+		return response
+	}
+	response = response.Copy()
+	for len(response.Answer) > 0 && responseLen > maxLen {
+		response.Answer = response.Answer[:len(response.Answer)-1]
+		response.Truncated = true
+		responseLen = response.Len()
+	}
+	if responseLen > maxLen {
+		response.Ns = nil
+		response.Extra = nil
+	}
+	return response
+}

outbound/urltest.go

@@ -125,7 +125,18 @@ func (s *URLTest) CheckOutbounds() {
 
 func (s *URLTest) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
 	s.group.Touch()
-	outbound := s.group.Select(network)
+	var outbound adapter.Outbound
+	switch N.NetworkName(network) {
+	case N.NetworkTCP:
+		outbound = s.group.selectedOutboundTCP
+	case N.NetworkUDP:
+		outbound = s.group.selectedOutboundUDP
+	default:
+		return nil, E.Extend(N.ErrUnknownNetwork, network)
+	}
+	if outbound == nil {
+		outbound, _ = s.group.Select(network)
+	}
 	if outbound == nil {
 		return nil, E.New("missing supported outbound")
 	}
@@ -140,7 +151,10 @@ func (s *URLTest) DialContext(ctx context.Context, network string, destination M
 
 func (s *URLTest) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
 	s.group.Touch()
-	outbound := s.group.Select(N.NetworkUDP)
+	outbound := s.group.selectedOutboundUDP
+	if outbound == nil {
+		outbound, _ = s.group.Select(N.NetworkUDP)
+	}
 	if outbound == nil {
 		return nil, E.New("missing supported outbound")
 	}
@@ -271,7 +285,7 @@ func (g *URLTestGroup) Close() error {
 	return nil
 }
 
-func (g *URLTestGroup) Select(network string) adapter.Outbound {
+func (g *URLTestGroup) Select(network string) (adapter.Outbound, bool) {
 	var minDelay uint16
 	var minTime time.Time
 	var minOutbound adapter.Outbound
@@ -294,11 +308,11 @@ func (g *URLTestGroup) Select(network string) adapter.Outbound {
 			if !common.Contains(detour.Network(), network) {
 				continue
 			}
-			minOutbound = detour
-			break
+			return detour, false
 		}
+		return nil, false
 	}
-	return minOutbound
+	return minOutbound, true
 }
 
 func (g *URLTestGroup) loopCheck() {
@@ -382,14 +396,12 @@ func (g *URLTestGroup) urlTest(ctx context.Context, force bool) (map[string]uint
 }
 
 func (g *URLTestGroup) performUpdateCheck() {
-	outbound := g.Select(N.NetworkTCP)
 	var updated bool
-	if outbound != nil && outbound != g.selectedOutboundTCP {
+	if outbound, exists := g.Select(N.NetworkTCP); outbound != nil && (g.selectedOutboundTCP == nil || (exists && outbound != g.selectedOutboundTCP)) {
 		g.selectedOutboundTCP = outbound
 		updated = true
 	}
-	outbound = g.Select(N.NetworkUDP)
-	if outbound != nil && outbound != g.selectedOutboundUDP {
+	if outbound, exists := g.Select(N.NetworkUDP); outbound != nil && (g.selectedOutboundUDP == nil || (exists && outbound != g.selectedOutboundUDP)) {
 		g.selectedOutboundUDP = outbound
 		updated = true
 	}

release/config/sing-box.service

@@ -1,7 +1,7 @@
 [Unit]
 Description=sing-box service
 Documentation=https://sing-box.sagernet.org
-After=network.target nss-lookup.target
+After=network.target nss-lookup.target network-online.target
 
 [Service]
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH

release/config/sing-box@.service

@@ -1,7 +1,7 @@
 [Unit]
 Description=sing-box service
 Documentation=https://sing-box.sagernet.org
-After=network.target nss-lookup.target
+After=network.target nss-lookup.target network-online.target
 
 [Service]
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH

release/local/sing-box.service

@@ -1,7 +1,7 @@
 [Unit]
 Description=sing-box service
 Documentation=https://sing-box.sagernet.org
-After=network.target nss-lookup.target
+After=network.target nss-lookup.target network-online.target
 
 [Service]
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH

route/rule_abstract.go

@@ -72,7 +72,7 @@ func (r *abstractDefaultRule) Match(metadata *adapter.InboundContext) bool {
 		}
 	}
 
-	if len(r.sourcePortItems) > 0 && !metadata.SourceAddressMatch {
+	if len(r.sourcePortItems) > 0 && !metadata.SourcePortMatch {
 		for _, item := range r.sourcePortItems {
 			if item.Match(metadata) {
 				metadata.SourcePortMatch = true
@@ -81,7 +81,7 @@ func (r *abstractDefaultRule) Match(metadata *adapter.InboundContext) bool {
 		}
 	}
 
-	if len(r.destinationAddressItems) > 0 && !metadata.SourceAddressMatch {
+	if len(r.destinationAddressItems) > 0 && !metadata.DestinationAddressMatch {
 		for _, item := range r.destinationAddressItems {
 			if item.Match(metadata) {
 				metadata.DestinationAddressMatch = true
@@ -90,7 +90,7 @@ func (r *abstractDefaultRule) Match(metadata *adapter.InboundContext) bool {
 		}
 	}
 
-	if len(r.destinationPortItems) > 0 && !metadata.SourceAddressMatch {
+	if len(r.destinationPortItems) > 0 && !metadata.DestinationPortMatch {
 		for _, item := range r.destinationPortItems {
 			if item.Match(metadata) {
 				metadata.DestinationPortMatch = true

route/rule_default.go

@@ -115,7 +115,7 @@ func NewDefaultRule(router adapter.Router, logger log.ContextLogger, options opt
 	if len(options.SourceIPCIDR) > 0 {
 		item, err := NewIPCIDRItem(true, options.SourceIPCIDR)
 		if err != nil {
-			return nil, E.Cause(err, "source_ipcidr")
+			return nil, E.Cause(err, "source_ip_cidr")
 		}
 		rule.sourceAddressItems = append(rule.sourceAddressItems, item)
 		rule.allItems = append(rule.allItems, item)

route/rule_dns.go

@@ -114,7 +114,7 @@ func NewDefaultDNSRule(router adapter.Router, logger log.ContextLogger, options
 	if len(options.SourceIPCIDR) > 0 {
 		item, err := NewIPCIDRItem(true, options.SourceIPCIDR)
 		if err != nil {
-			return nil, E.Cause(err, "source_ipcidr")
+			return nil, E.Cause(err, "source_ip_cidr")
 		}
 		rule.sourceAddressItems = append(rule.sourceAddressItems, item)
 		rule.allItems = append(rule.allItems, item)

route/rule_headless.go

@@ -66,7 +66,7 @@ func NewDefaultHeadlessRule(router adapter.Router, options option.DefaultHeadles
 	if len(options.SourceIPCIDR) > 0 {
 		item, err := NewIPCIDRItem(true, options.SourceIPCIDR)
 		if err != nil {
-			return nil, E.Cause(err, "source_ipcidr")
+			return nil, E.Cause(err, "source_ip_cidr")
 		}
 		rule.sourceAddressItems = append(rule.sourceAddressItems, item)
 		rule.allItems = append(rule.allItems, item)

route/rule_item_cidr.go

@@ -35,9 +35,9 @@ func NewIPCIDRItem(isSource bool, prefixStrings []string) (*IPCIDRItem, error) {
 	}
 	var description string
 	if isSource {
-		description = "source_ipcidr="
+		description = "source_ip_cidr="
 	} else {
-		description = "ipcidr="
+		description = "ip_cidr="
 	}
 	if dLen := len(prefixStrings); dLen == 1 {
 		description += prefixStrings[0]
@@ -60,9 +60,9 @@ func NewIPCIDRItem(isSource bool, prefixStrings []string) (*IPCIDRItem, error) {
 func NewRawIPCIDRItem(isSource bool, ipSet *netipx.IPSet) *IPCIDRItem {
 	var description string
 	if isSource {
-		description = "source_ipcidr="
+		description = "source_ip_cidr="
 	} else {
-		description = "ipcidr="
+		description = "ip_cidr="
 	}
 	description += "<binary>"
 	return &IPCIDRItem{

route/rule_item_domain.go

@@ -30,11 +30,11 @@ func NewDomainItem(domains []string, domainSuffixes []string) *DomainItem {
 			description += " "
 		}
 		if dsLen == 1 {
-			description += "domainSuffix=" + domainSuffixes[0]
+			description += "domain_suffix=" + domainSuffixes[0]
 		} else if dsLen > 3 {
-			description += "domainSuffix=[" + strings.Join(domainSuffixes[:3], " ") + "...]"
+			description += "domain_suffix=[" + strings.Join(domainSuffixes[:3], " ") + "...]"
 		} else {
-			description += "domainSuffix=[" + strings.Join(domainSuffixes, " ") + "]"
+			description += "domain_suffix=[" + strings.Join(domainSuffixes, " ") + "]"
 		}
 	}
 	return &DomainItem{

transport/vless/vision.go

@@ -24,7 +24,7 @@ var tlsRegistry []func(conn net.Conn) (loaded bool, netConn net.Conn, reflectTyp
 
 func init() {
 	tlsRegistry = append(tlsRegistry, func(conn net.Conn) (loaded bool, netConn net.Conn, reflectType reflect.Type, reflectPointer uintptr) {
-		tlsConn, loaded := conn.(*tls.Conn)
+		tlsConn, loaded := common.Cast[*tls.Conn](conn)
 		if !loaded {
 			return
 		}