Add Tailscale

This reverts commit 718cffea9a.

.github/workflows/build.yml

@@ -0,0 +1,599 @@
+name: Build
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: "Version name"
+        required: true
+        type: string
+      build:
+        description: "Build type"
+        required: true
+        type: choice
+        default: "All"
+        options:
+          - All
+          - Binary
+          - Android
+          - Apple
+          - app-store
+          - iOS
+          - macOS
+          - tvOS
+          - macOS-standalone
+          - publish-android
+  push:
+    branches:
+      - main-next
+      - dev-next
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}-${{ inputs.build }}
+  cancel-in-progress: true
+
+jobs:
+  calculate_version:
+    name: Calculate version
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.outputs.outputs.version }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.23
+      - name: Check input version
+        if: github.event_name == 'workflow_dispatch'
+        run: |-
+          echo "version=${{ inputs.version }}" 
+          echo "version=${{ inputs.version }}" >> "$GITHUB_ENV"
+      - name: Calculate version
+        if: github.event_name != 'workflow_dispatch'
+        run: |-
+          go run -v ./cmd/internal/read_tag --nightly
+      - name: Set outputs
+        id: outputs
+        run: |-
+          echo "version=$version" >> "$GITHUB_OUTPUT"
+  build:
+    name: Build binary
+    if: github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Binary'
+    runs-on: ubuntu-latest
+    needs:
+      - calculate_version
+    strategy:
+      matrix:
+        include:
+          - name: linux_386
+            goos: linux
+            goarch: 386
+          - name: linux_amd64
+            goos: linux
+            goarch: amd64
+          - name: linux_arm64
+            goos: linux
+            goarch: arm64
+          - name: linux_arm
+            goos: linux
+            goarch: arm
+            goarm: 6
+          - name: linux_arm_v7
+            goos: linux
+            goarch: arm
+            goarm: 7
+          - name: linux_s390x
+            goos: linux
+            goarch: s390x
+          - name: linux_riscv64
+            goos: linux
+            goarch: riscv64
+          - name: linux_mips64le
+            goos: linux
+            goarch: mips64le
+          - name: windows_amd64
+            goos: windows
+            goarch: amd64
+            require_legacy_go: true
+          - name: windows_386
+            goos: windows
+            goarch: 386
+            require_legacy_go: true
+          - name: windows_arm64
+            goos: windows
+            goarch: arm64
+          - name: darwin_arm64
+            goos: darwin
+            goarch: arm64
+          - name: darwin_amd64
+            goos: darwin
+            goarch: amd64
+            require_legacy_go: true
+          - name: android_arm64
+            goos: android
+            goarch: arm64
+          - name: android_arm
+            goos: android
+            goarch: arm
+            goarm: 7
+          - name: android_amd64
+            goos: android
+            goarch: amd64
+          - name: android_386
+            goos: android
+            goarch: 386
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.23
+      - name: Cache legacy Go
+        if: matrix.require_legacy_go
+        id: cache-legacy-go
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/go/go1.20.14
+          key: go120
+      - name: Setup legacy Go
+        if: matrix.require_legacy_go == 'true' && steps.cache-legacy-go.outputs.cache-hit != 'true'
+        run: |-
+          wget https://dl.google.com/go/go1.20.14.linux-amd64.tar.gz
+          tar -xzf go1.20.14.linux-amd64.tar.gz
+          mv go $HOME/go/go1.20.14
+      - name: Setup Android NDK
+        if: matrix.goos == 'android'
+        uses: nttld/setup-ndk@v1
+        with:
+          ndk-version: r28-beta2
+          local-cache: true
+      - name: Setup Goreleaser
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          distribution: goreleaser-pro
+          version: latest
+          install-only: true
+      - name: Extract signing key
+        run: |-
+          mkdir -p $HOME/.gnupg
+          cat > $HOME/.gnupg/sagernet.key <<EOF
+          ${{ secrets.GPG_KEY }}
+          EOF
+          echo "HOME=$HOME" >> "$GITHUB_ENV"
+      - name: Set tag
+        run: |-
+          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
+          git tag v${{ needs.calculate_version.outputs.version }} -f
+      - name: Build
+        if: matrix.goos != 'android'
+        run: |-
+          goreleaser release --clean --split
+        env:
+          GOOS: ${{ matrix.goos }}
+          GOARCH: ${{ matrix.goarch }}
+          GOPATH: ${{ env.HOME }}/go
+          GOARM: ${{ matrix.goarm }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}
+          NFPM_KEY_PATH: ${{ env.HOME }}/.gnupg/sagernet.key
+          NFPM_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+      - name: Build Android
+        if: matrix.goos == 'android'
+        run: |-
+          go install -v ./cmd/internal/build
+          GOOS=$BUILD_GOOS GOARCH=$BUILD_GOARCH build goreleaser release --clean --split
+        env:
+          BUILD_GOOS: ${{ matrix.goos }}
+          BUILD_GOARCH: ${{ matrix.goarch }}
+          GOARM: ${{ matrix.goarm }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}
+          NFPM_KEY_PATH: ${{ env.HOME }}/.gnupg/sagernet.key
+          NFPM_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+      - name: Upload artifact
+        if: github.event_name == 'workflow_dispatch'
+        uses: actions/upload-artifact@v4
+        with:
+          name: binary-${{ matrix.name }}
+          path: 'dist'
+  build_android:
+    name: Build Android
+    if: github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Android'
+    runs-on: ubuntu-latest
+    needs:
+      - calculate_version
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+          submodules: 'recursive'
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.23
+      - name: Setup Android NDK
+        id: setup-ndk
+        uses: nttld/setup-ndk@v1
+        with:
+          ndk-version: r28-beta2
+      - name: Setup OpenJDK
+        run: |-
+          sudo apt update && sudo apt install -y openjdk-17-jdk-headless
+          /usr/lib/jvm/java-17-openjdk-amd64/bin/java --version
+      - name: Set tag
+        run: |-
+          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
+          git tag v${{ needs.calculate_version.outputs.version }} -f
+      - name: Build library
+        run: |-
+          make lib_install
+          export PATH="$PATH:$(go env GOPATH)/bin"
+          make lib_android
+        env:
+          JAVA_HOME: /usr/lib/jvm/java-17-openjdk-amd64
+          ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
+      - name: Checkout main branch
+        if: github.ref == 'refs/heads/main-next' && github.event_name != 'workflow_dispatch'
+        run: |-
+          cd clients/android
+          git checkout main
+      - name: Checkout dev branch
+        if: github.ref == 'refs/heads/dev-next'
+        run: |-
+          cd clients/android
+          git checkout dev
+      - name: Gradle cache
+        uses: actions/cache@v4
+        with:
+          path: ~/.gradle
+          key: gradle-${{ hashFiles('**/*.gradle') }}
+      - name: Build
+        run: |-
+          go run -v ./cmd/internal/update_android_version --ci
+          mkdir clients/android/app/libs
+          cp libbox.aar clients/android/app/libs
+          cd clients/android
+          ./gradlew :app:assemblePlayRelease :app:assembleOtherRelease
+        env:
+          JAVA_HOME: /usr/lib/jvm/java-17-openjdk-amd64
+          ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
+          LOCAL_PROPERTIES: ${{ secrets.LOCAL_PROPERTIES }}
+      - name: Prepare upload
+        if: github.event_name == 'workflow_dispatch'
+        run: |-
+          mkdir -p dist/release
+          cp clients/android/app/build/outputs/apk/play/release/*.apk dist/release
+          cp clients/android/app/build/outputs/apk/other/release/*-universal.apk dist/release
+      - name: Upload artifact
+        if: github.event_name == 'workflow_dispatch'
+        uses: actions/upload-artifact@v4
+        with:
+          name: binary-android-apks
+          path: 'dist'
+  publish_android:
+    name: Publish Android
+    if: github.event_name == 'workflow_dispatch' && inputs.build == 'publish-android'
+    runs-on: ubuntu-latest
+    needs:
+      - calculate_version
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+          submodules: 'recursive'
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.23
+      - name: Setup Android NDK
+        id: setup-ndk
+        uses: nttld/setup-ndk@v1
+        with:
+          ndk-version: r28-beta2
+      - name: Setup OpenJDK
+        run: |-
+          sudo apt update && sudo apt install -y openjdk-17-jdk-headless
+          /usr/lib/jvm/java-17-openjdk-amd64/bin/java --version
+      - name: Set tag
+        run: |-
+          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
+          git tag v${{ needs.calculate_version.outputs.version }} -f
+      - name: Build library
+        run: |-
+          make lib_install
+          export PATH="$PATH:$(go env GOPATH)/bin"
+          make lib_android
+        env:
+          JAVA_HOME: /usr/lib/jvm/java-17-openjdk-amd64
+          ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
+      - name: Checkout main branch
+        if: github.ref == 'refs/heads/main-next' && github.event_name != 'workflow_dispatch'
+        run: |-
+          cd clients/android
+          git checkout main
+      - name: Checkout dev branch
+        if: github.ref == 'refs/heads/dev-next'
+        run: |-
+          cd clients/android
+          git checkout dev
+      - name: Gradle cache
+        uses: actions/cache@v4
+        with:
+          path: ~/.gradle
+          key: gradle-${{ hashFiles('**/*.gradle') }}
+      - name: Build
+        run: |-
+          go run -v ./cmd/internal/update_android_version --ci
+          mkdir clients/android/app/libs
+          cp libbox.aar clients/android/app/libs
+          cd clients/android
+          echo -n "$SERVICE_ACCOUNT_CREDENTIALS" | base64 --decode > service-account-credentials.json
+          ./gradlew :app:publishPlayReleaseBundle
+        env:
+          JAVA_HOME: /usr/lib/jvm/java-17-openjdk-amd64
+          ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
+          LOCAL_PROPERTIES: ${{ secrets.LOCAL_PROPERTIES }}
+          SERVICE_ACCOUNT_CREDENTIALS: ${{ secrets.SERVICE_ACCOUNT_CREDENTIALS }}
+  build_apple:
+    name: Build Apple clients
+    runs-on: macos-15
+    needs:
+      - calculate_version
+    strategy:
+      matrix:
+        include:
+          - name: iOS
+            if: ${{ github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Apple' || inputs.build == 'app-store'|| inputs.build == 'iOS' }}
+            platform: ios
+            scheme: SFI
+            destination: 'generic/platform=iOS'
+            archive: build/SFI.xcarchive
+            upload: SFI/Upload.plist
+          - name: macOS
+            if: ${{ github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Apple' || inputs.build == 'app-store'|| inputs.build == 'macOS' }}
+            platform: macos
+            scheme: SFM
+            destination: 'generic/platform=macOS'
+            archive: build/SFM.xcarchive
+            upload: SFI/Upload.plist
+          - name: tvOS
+            if: ${{ github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Apple' || inputs.build == 'app-store'|| inputs.build == 'tvOS' }}
+            platform: tvos
+            scheme: SFT
+            destination: 'generic/platform=tvOS'
+            archive: build/SFT.xcarchive
+            upload: SFI/Upload.plist
+          - name: macOS-standalone
+            if: ${{ github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Apple' || inputs.build == 'macOS-standalone' }}
+            platform: macos
+            scheme: SFM.System
+            destination: 'generic/platform=macOS'
+            archive: build/SFM.System.xcarchive
+            export: SFM.System/Export.plist
+            export_path: build/SFM.System
+    steps:
+      - name: Checkout
+        if: matrix.if
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+          submodules: 'recursive'
+      - name: Setup Go
+        if: matrix.if
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.23
+      - name: Setup Xcode stable
+        if: matrix.if && github.ref == 'refs/heads/main-next'
+        run: |-
+          sudo xcode-select -s /Applications/Xcode_16.2.app
+      - name: Setup Xcode beta
+        if: matrix.if && github.ref == 'refs/heads/dev-next'
+        run: |-
+          sudo xcode-select -s /Applications/Xcode_16.2.app
+      - name: Set tag
+        if: matrix.if
+        run: |-
+          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
+          git tag v${{ needs.calculate_version.outputs.version }} -f
+          echo "VERSION=${{ needs.calculate_version.outputs.version }}" >> "$GITHUB_ENV"
+      - name: Checkout main branch
+        if: matrix.if && github.ref == 'refs/heads/main-next' && github.event_name != 'workflow_dispatch'
+        run: |-
+          cd clients/apple
+          git checkout main
+      - name: Checkout dev branch
+        if: matrix.if && github.ref == 'refs/heads/dev-next'
+        run: |-
+          cd clients/apple
+          git checkout dev
+      - name: Setup certificates
+        if: matrix.if
+        run: |-
+          CERTIFICATE_PATH=$RUNNER_TEMP/Certificates.p12
+          KEYCHAIN_PATH=$RUNNER_TEMP/certificates.keychain-db
+          echo -n "$CERTIFICATES_P12" | base64 --decode -o $CERTIFICATE_PATH
+          security create-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security set-keychain-settings -lut 21600 $KEYCHAIN_PATH
+          security unlock-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security import $CERTIFICATE_PATH -P "$P12_PASSWORD" -A -t cert -f pkcs12 -k $KEYCHAIN_PATH
+          security set-key-partition-list -S apple-tool:,apple: -k "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security list-keychain -d user -s $KEYCHAIN_PATH
+
+          PROFILES_ZIP_PATH=$RUNNER_TEMP/Profiles.zip
+          echo -n "$PROVISIONING_PROFILES" | base64 --decode -o $PROFILES_ZIP_PATH
+          
+          PROFILES_PATH="$HOME/Library/MobileDevice/Provisioning Profiles"
+          mkdir -p "$PROFILES_PATH"
+          unzip $PROFILES_ZIP_PATH -d "$PROFILES_PATH"
+          
+          ASC_KEY_PATH=$RUNNER_TEMP/Key.p12
+          echo -n "$ASC_KEY" | base64 --decode -o $ASC_KEY_PATH
+          
+          xcrun notarytool store-credentials "notarytool-password" \
+            --key $ASC_KEY_PATH \
+            --key-id $ASC_KEY_ID \
+            --issuer $ASC_KEY_ISSUER_ID
+          
+          echo "ASC_KEY_PATH=$ASC_KEY_PATH" >> "$GITHUB_ENV"
+          echo "ASC_KEY_ID=$ASC_KEY_ID" >> "$GITHUB_ENV"
+          echo "ASC_KEY_ISSUER_ID=$ASC_KEY_ISSUER_ID" >> "$GITHUB_ENV"
+        env:
+          CERTIFICATES_P12: ${{ secrets.CERTIFICATES_P12 }}
+          P12_PASSWORD: ${{ secrets.P12_PASSWORD }}
+          KEYCHAIN_PASSWORD: ${{ secrets.P12_PASSWORD }}
+          PROVISIONING_PROFILES: ${{ secrets.PROVISIONING_PROFILES }}
+          ASC_KEY: ${{ secrets.ASC_KEY }}
+          ASC_KEY_ID: ${{ secrets.ASC_KEY_ID }}
+          ASC_KEY_ISSUER_ID: ${{ secrets.ASC_KEY_ISSUER_ID }}
+      - name: Build library
+        if: matrix.if
+        run: |-
+          make lib_install
+          export PATH="$PATH:$(go env GOPATH)/bin"
+          go run ./cmd/internal/build_libbox -target apple -platform ${{ matrix.platform }}
+          mv Libbox.xcframework clients/apple
+      - name: Update macOS version
+        if: matrix.if && matrix.name == 'macOS' && github.event_name == 'workflow_dispatch'
+        run: |-
+          MACOS_PROJECT_VERSION=$(go run -v ./cmd/internal/app_store_connect next_macos_project_version)
+          echo "MACOS_PROJECT_VERSION=$MACOS_PROJECT_VERSION"
+          echo "MACOS_PROJECT_VERSION=$MACOS_PROJECT_VERSION" >> "$GITHUB_ENV"
+      - name: Build
+        if: matrix.if
+        run: |-
+          go run -v ./cmd/internal/update_apple_version --ci
+          cd clients/apple
+          xcodebuild archive \
+            -scheme "${{ matrix.scheme }}" \
+            -configuration Release \
+            -destination "${{ matrix.destination }}" \
+            -archivePath "${{ matrix.archive }}" \
+            -allowProvisioningUpdates \
+            -authenticationKeyPath $ASC_KEY_PATH \
+            -authenticationKeyID $ASC_KEY_ID \
+            -authenticationKeyIssuerID $ASC_KEY_ISSUER_ID
+      - name: Upload to App Store Connect
+        if: matrix.if && matrix.name != 'macOS-standalone' && github.event_name == 'workflow_dispatch'
+        run: |-
+          go run -v ./cmd/internal/app_store_connect cancel_app_store ${{ matrix.platform }}
+          cd clients/apple
+          xcodebuild -exportArchive \
+            -archivePath "${{ matrix.archive }}" \
+            -exportOptionsPlist ${{ matrix.upload }} \
+            -allowProvisioningUpdates \
+            -authenticationKeyPath $ASC_KEY_PATH \
+            -authenticationKeyID $ASC_KEY_ID \
+            -authenticationKeyIssuerID $ASC_KEY_ISSUER_ID
+      - name: Publish to TestFlight
+        if: matrix.if && matrix.name != 'macOS-standalone' && github.event_name == 'workflow_dispatch' && github.ref =='refs/heads/dev-next'
+        run: |-
+          go run -v ./cmd/internal/app_store_connect publish_testflight ${{ matrix.platform }}
+      - name: Build image
+        if: matrix.if && matrix.name == 'macOS-standalone' && github.event_name == 'workflow_dispatch'
+        run: |-
+          pushd clients/apple
+          xcodebuild -exportArchive \
+          	-archivePath "${{ matrix.archive }}" \
+          	-exportOptionsPlist ${{ matrix.export }} \
+          	-exportPath "${{ matrix.export_path }}"
+          brew install create-dmg
+          create-dmg \
+          	--volname "sing-box" \
+          	--volicon "${{ matrix.export_path }}/SFM.app/Contents/Resources/AppIcon.icns" \
+          	--icon "SFM.app" 0 0 \
+          		--hide-extension "SFM.app" \
+          		--app-drop-link 0 0 \
+          		--skip-jenkins \
+          	SFM.dmg "${{ matrix.export_path }}/SFM.app"
+          xcrun notarytool submit "SFM.dmg" --wait --keychain-profile "notarytool-password"          
+          cd "${{ matrix.archive }}"
+          zip -r SFM.dSYMs.zip dSYMs
+          popd
+          
+          mkdir -p dist/release
+          cp clients/apple/SFM.dmg "dist/release/SFM-${VERSION}-universal.dmg"
+          cp "clients/apple/${{ matrix.archive }}/SFM.dSYMs.zip" "dist/release/SFM-${VERSION}-universal.dSYMs.zip"
+      - name: Upload image
+        if: matrix.if && matrix.name == 'macOS-standalone' && github.event_name == 'workflow_dispatch'
+        uses: actions/upload-artifact@v4
+        with:
+          name: binary-macos-dmg
+          path: 'dist'
+  upload:
+    name: Upload builds
+    if: always() && github.event_name == 'workflow_dispatch' && (inputs.build == 'All' || inputs.build == 'Binary' || inputs.build == 'Android' || inputs.build == 'Apple' || inputs.build == 'macOS-standalone')
+    runs-on: ubuntu-latest
+    needs:
+      - calculate_version
+      - build
+      - build_android
+      - build_apple
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+      - name: Setup Goreleaser
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          distribution: goreleaser-pro
+          version: latest
+          install-only: true
+      - name: Cache ghr
+        uses: actions/cache@v4
+        id: cache-ghr
+        with:
+          path: |
+            ~/go/bin/ghr
+          key: ghr
+      - name: Setup ghr
+        if: steps.cache-ghr.outputs.cache-hit != 'true'
+        run: |-
+          cd $HOME
+          git clone https://github.com/nekohasekai/ghr ghr
+          cd ghr
+          go install -v .
+      - name: Set tag
+        run: |-
+          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
+          git tag v${{ needs.calculate_version.outputs.version }} -f
+          echo "VERSION=${{ needs.calculate_version.outputs.version }}" >> "$GITHUB_ENV"
+      - name: Download builds
+        uses: actions/download-artifact@v4
+        with:
+          path: dist
+          merge-multiple: true
+      - name: Merge builds
+        if: github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Binary'
+        run: |-
+          goreleaser continue --merge --skip publish
+          mkdir -p dist/release
+          mv dist/*/sing-box*{tar.gz,zip,deb,rpm,_amd64.pkg.tar.zst,_arm64.pkg.tar.zst} dist/release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}
+      - name: Upload builds
+        if: ${{ env.PUBLISHED == 'false' }}
+        run: |-
+          export PATH="$PATH:$HOME/go/bin"
+          ghr --replace --draft --prerelease -p 5 "v${VERSION}" dist/release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Replace builds
+        if: ${{ env.PUBLISHED != 'false' }}
+        run: |-
+          export PATH="$PATH:$HOME/go/bin"
+          ghr --replace -p 5 "v${VERSION}" dist/release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/debug.yml

@@ -1,219 +0,0 @@
-name: Debug build
-
-on:
-  push:
-    branches:
-      - stable-next
-      - main-next
-      - dev-next
-    paths-ignore:
-      - '**.md'
-      - '.github/**'
-      - '!.github/workflows/debug.yml'
-  pull_request:
-    branches:
-      - stable-next
-      - main-next
-      - dev-next
-
-jobs:
-  build:
-    name: Debug build
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
-        with:
-          fetch-depth: 0
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: ^1.23
-      - name: Run Test
-        run: |
-          go test -v ./...
-  build_go120:
-    name: Debug build (Go 1.20)
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
-        with:
-          fetch-depth: 0
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: ~1.20
-      - name: Cache go module
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/go/pkg/mod
-          key: go120-${{ hashFiles('**/go.sum') }}
-      - name: Run Test
-        run: make ci_build_go120
-  build_go121:
-    name: Debug build (Go 1.21)
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
-        with:
-          fetch-depth: 0
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: ~1.21
-      - name: Cache go module
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/go/pkg/mod
-          key: go121-${{ hashFiles('**/go.sum') }}
-      - name: Run Test
-        run: make ci_build
-  build_go122:
-    name: Debug build (Go 1.22)
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
-        with:
-          fetch-depth: 0
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: ~1.22
-      - name: Cache go module
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/go/pkg/mod
-          key: go122-${{ hashFiles('**/go.sum') }}
-      - name: Run Test
-        run: make ci_build
-  cross:
-    strategy:
-      matrix:
-        include:
-          # windows
-          - name: windows-amd64
-            goos: windows
-            goarch: amd64
-            goamd64: v1
-          - name: windows-amd64-v3
-            goos: windows
-            goarch: amd64
-            goamd64: v3
-          - name: windows-386
-            goos: windows
-            goarch: 386
-          - name: windows-arm64
-            goos: windows
-            goarch: arm64
-          - name: windows-arm32v7
-            goos: windows
-            goarch: arm
-            goarm: 7
-          
-          # linux
-          - name: linux-amd64
-            goos: linux
-            goarch: amd64
-            goamd64: v1
-          - name: linux-amd64-v3
-            goos: linux
-            goarch: amd64
-            goamd64: v3
-          - name: linux-386
-            goos: linux
-            goarch: 386
-          - name: linux-arm64
-            goos: linux
-            goarch: arm64
-          - name: linux-armv5
-            goos: linux
-            goarch: arm
-            goarm: 5
-          - name: linux-armv6
-            goos: linux
-            goarch: arm
-            goarm: 6
-          - name: linux-armv7
-            goos: linux
-            goarch: arm
-            goarm: 7
-          - name: linux-mips-softfloat
-            goos: linux
-            goarch: mips
-            gomips: softfloat
-          - name: linux-mips-hardfloat
-            goos: linux
-            goarch: mips
-            gomips: hardfloat
-          - name: linux-mipsel-softfloat
-            goos: linux
-            goarch: mipsle
-            gomips: softfloat
-          - name: linux-mipsel-hardfloat
-            goos: linux
-            goarch: mipsle
-            gomips: hardfloat
-          - name: linux-mips64
-            goos: linux
-            goarch: mips64
-          - name: linux-mips64el
-            goos: linux
-            goarch: mips64le
-          - name: linux-s390x
-            goos: linux
-            goarch: s390x
-          # darwin
-          - name: darwin-amd64
-            goos: darwin
-            goarch: amd64
-            goamd64: v1
-          - name: darwin-amd64-v3
-            goos: darwin
-            goarch: amd64
-            goamd64: v3
-          - name: darwin-arm64
-            goos: darwin
-            goarch: arm64
-          # freebsd
-          - name: freebsd-amd64
-            goos: freebsd
-            goarch: amd64
-            goamd64: v1
-          - name: freebsd-amd64-v3
-            goos: freebsd
-            goarch: amd64
-            goamd64: v3
-          - name: freebsd-386
-            goos: freebsd
-            goarch: 386
-          - name: freebsd-arm64
-            goos: freebsd
-            goarch: arm64
-      fail-fast: true
-    runs-on: ubuntu-latest
-    env:
-      GOOS: ${{ matrix.goos }}
-      GOARCH: ${{ matrix.goarch }}
-      GOAMD64: ${{ matrix.goamd64 }}
-      GOARM: ${{ matrix.goarm }}
-      GOMIPS: ${{ matrix.gomips }}
-      CGO_ENABLED: 0
-      TAGS: with_clash_api,with_quic
-    steps:
-      - name: Checkout
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
-        with:
-          fetch-depth: 0
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: ^1.21
-      - name: Build
-        id: build
-        run: make

.github/workflows/linux.yml

@@ -22,7 +22,6 @@ jobs:
           mkdir -p $HOME/.gnupg
           cat > $HOME/.gnupg/sagernet.key <<EOF
           ${{ secrets.GPG_KEY }}
-          echo "HOME=$HOME" >> "$GITHUB_ENV"
           EOF
           echo "HOME=$HOME" >> "$GITHUB_ENV"
       - name: Publish release

.golangci.yml

@@ -22,6 +22,17 @@ linters-settings:
 
 run:
   go: "1.23"
+  build-tags:
+    - with_gvisor
+    - with_quic
+    - with_dhcp
+    - with_wireguard
+    - with_ech
+    - with_utls
+    - with_reality_server
+    - with_acme
+    - with_clash_api
+    - badlinkname
 
 issues:
   exclude-dirs:

.goreleaser.fury.yaml

@@ -6,7 +6,10 @@ builds:
       - -v
       - -trimpath
     ldflags:
-      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }} -s -w -buildid=
+      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }}
+      - -s
+      - -buildid=
+      - -checklinkname=0
     tags:
       - with_gvisor
       - with_quic

.goreleaser.yaml

@@ -11,6 +11,7 @@ builds:
       - -X github.com/sagernet/sing-box/constant.Version={{ .Version }}
       - -s
       - -buildid=
+      - -checklinkname=0
     tags:
       - with_gvisor
       - with_quic
@@ -201,3 +202,5 @@ release:
     - archive
     - package
   skip_upload: true
+partial:
+  by: target

Dockerfile

@@ -15,7 +15,7 @@ RUN set -ex \
     && go build -v -trimpath -tags \
         "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=$VERSION\" -s -w -buildid=" \
+        -ldflags "-X \"github.com/sagernet/sing-box/constant.Version=$VERSION\" -s -w -buildid= -checklinkname=0" \
         ./cmd/sing-box
 FROM --platform=$TARGETPLATFORM alpine AS dist
 LABEL maintainer="nekohasekai <contact-git@sekai.icu>"

Makefile

@@ -2,14 +2,15 @@ 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 ?= $(TAGS_GO118),$(TAGS_GO120),$(TAGS_GO121)
+TAGS_GO123 = with_tailscale,badlinkname
+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 = $(shell go env GOHOSTARCH)
 VERSION=$(shell CGO_ENABLED=0 GOOS=$(GOHOSTOS) GOARCH=$(GOHOSTARCH) go run ./cmd/internal/read_tag)
 
-PARAMS = -v -trimpath -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=$(VERSION)' -s -w -buildid="
+PARAMS = -v -trimpath -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=$(VERSION)' -s -w -buildid= -checklinkname=0"
 MAIN_PARAMS = $(PARAMS) -tags $(TAGS)
 MAIN = ./cmd/sing-box
 PREFIX ?= $(shell go env GOPATH)
@@ -28,7 +29,7 @@ ci_build:
 	go build $(MAIN_PARAMS) $(MAIN)
 
 generate_completions:
-	go run -v --tags generate,generate_completions $(MAIN)
+	go run -v --tags $(TAGS),generate,generate_completions $(MAIN)
 
 install:
 	go build -o $(PREFIX)/bin/$(NAME) $(MAIN_PARAMS) $(MAIN)
@@ -71,7 +72,7 @@ release:
 		dist/*_amd64.pkg.tar.zst \
 		dist/*_arm64.pkg.tar.zst \
 		dist/release
-	ghr --replace --draft --prerelease -p 3 "v${VERSION}" dist/release
+	ghr --replace --draft --prerelease -p 5 "v${VERSION}" dist/release
 	rm -r dist/release
 
 release_repo:
@@ -90,22 +91,20 @@ upload_android:
 	mkdir -p dist/release_android
 	cp ../sing-box-for-android/app/build/outputs/apk/play/release/*.apk dist/release_android
 	cp ../sing-box-for-android/app/build/outputs/apk/other/release/*-universal.apk dist/release_android
-	ghr --replace --draft --prerelease -p 3 "v${VERSION}" dist/release_android
+	ghr --replace --draft --prerelease -p 5 "v${VERSION}" dist/release_android
 	rm -rf dist/release_android
 
 release_android: lib_android update_android_version build_android upload_android
 
 publish_android:
-	cd ../sing-box-for-android && ./gradlew :app:publishPlayReleaseBundle
+	cd ../sing-box-for-android && ./gradlew :app:publishPlayReleaseBundle && ./gradlew --stop
-
-publish_android_appcenter:
-	cd ../sing-box-for-android && ./gradlew :app:appCenterAssembleAndUploadPlayRelease
-
 
 # TODO: find why and remove `-destination 'generic/platform=iOS'`
+# TODO: remove xcode clean when fix control widget fixed
 build_ios:
 	cd ../sing-box-for-apple && \
 	rm -rf build/SFI.xcarchive && \
+	xcodebuild clean -scheme SFI && \
 	xcodebuild archive -scheme SFI -configuration Release -destination 'generic/platform=iOS' -archivePath build/SFI.xcarchive -allowProvisioningUpdates
 
 upload_ios_app_store:
@@ -147,9 +146,13 @@ build_macos_dmg:
  		--hide-extension "SFM.app" \
  		--app-drop-link 0 0 \
  		--skip-jenkins \
-		--notarize "notarytool-password" \
 		"../sing-box/dist/SFM/SFM.dmg" "build/SFM.System/SFM.app"
 
+notarize_macos_dmg:
+	xcrun notarytool submit "dist/SFM/SFM.dmg" --wait \
+	  --keychain-profile "notarytool-password" \
+  	  --no-s3-acceleration
+
 upload_macos_dmg:
 	cd dist/SFM && \
 	cp SFM.dmg "SFM-${VERSION}-universal.dmg" && \
@@ -164,7 +167,7 @@ upload_macos_dsyms:
 	cp SFM.dSYMs.zip "SFM-${VERSION}-universal.dSYMs.zip" && \
 	ghr --replace --draft --prerelease "v${VERSION}" "SFM-${VERSION}-universal.dSYMs.zip"
 
-release_macos_standalone: build_macos_standalone build_macos_dmg upload_macos_dmg upload_macos_dsyms
+release_macos_standalone: build_macos_standalone build_macos_dmg notarize_macos_dmg upload_macos_dmg upload_macos_dsyms
 
 build_tvos:
 	cd ../sing-box-for-apple && \
@@ -180,10 +183,22 @@ release_tvos: build_tvos upload_tvos_app_store
 update_apple_version:
 	go run ./cmd/internal/update_apple_version
 
+update_macos_version:
+	MACOS_PROJECT_VERSION=$(shell go run -v ./cmd/internal/app_store_connect next_macos_project_version) go run ./cmd/internal/update_apple_version
+
 release_apple: lib_ios update_apple_version release_ios release_macos release_tvos release_macos_standalone
 
 release_apple_beta: update_apple_version release_ios release_macos release_tvos
 
+publish_testflight:
+	go run -v ./cmd/internal/app_store_connect publish_testflight
+
+prepare_app_store:
+	go run -v ./cmd/internal/app_store_connect prepare_app_store
+
+publish_app_store:
+	go run -v ./cmd/internal/app_store_connect publish_app_store
+
 test:
 	@go test -v ./... && \
 	cd test && \
@@ -199,8 +214,14 @@ test_stdio:
 lib_android:
 	go run ./cmd/internal/build_libbox -target android
 
+lib_android_debug:
+	go run ./cmd/internal/build_libbox -target android -debug
+
+lib_apple:
+	go run ./cmd/internal/build_libbox -target apple
+
 lib_ios:
-	go run ./cmd/internal/build_libbox -target ios
+	go run ./cmd/internal/build_libbox -target apple -platform ios -debug
 
 lib:
 	go run ./cmd/internal/build_libbox -target android

adapter/connections.go

@@ -0,0 +1,14 @@
+package adapter
+
+import (
+	"context"
+	"net"
+
+	N "github.com/sagernet/sing/common/network"
+)
+
+type ConnectionManager interface {
+	Lifecycle
+	NewConnection(ctx context.Context, this N.Dialer, conn net.Conn, metadata InboundContext, onClose N.CloseHandlerFunc)
+	NewPacketConnection(ctx context.Context, this N.Dialer, conn N.PacketConn, metadata InboundContext, onClose N.CloseHandlerFunc)
+}

adapter/dns.go

@@ -0,0 +1,73 @@
+package adapter
+
+import (
+	"context"
+	"net/netip"
+
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing/common/logger"
+
+	"github.com/miekg/dns"
+)
+
+type DNSRouter interface {
+	Lifecycle
+	Exchange(ctx context.Context, message *dns.Msg, options DNSQueryOptions) (*dns.Msg, error)
+	Lookup(ctx context.Context, domain string, options DNSQueryOptions) ([]netip.Addr, error)
+	ClearCache()
+	LookupReverseMapping(ip netip.Addr) (string, bool)
+	ResetNetwork()
+}
+
+type DNSClient interface {
+	Start()
+	Exchange(ctx context.Context, transport DNSTransport, message *dns.Msg, options DNSQueryOptions, responseChecker func(responseAddrs []netip.Addr) bool) (*dns.Msg, error)
+	Lookup(ctx context.Context, transport DNSTransport, domain string, options DNSQueryOptions, responseChecker func(responseAddrs []netip.Addr) bool) ([]netip.Addr, error)
+	LookupCache(domain string, strategy C.DomainStrategy) ([]netip.Addr, bool)
+	ExchangeCache(ctx context.Context, message *dns.Msg) (*dns.Msg, bool)
+	ClearCache()
+}
+
+type DNSQueryOptions struct {
+	Transport    DNSTransport
+	Strategy     C.DomainStrategy
+	DisableCache bool
+	RewriteTTL   *uint32
+	ClientSubnet netip.Prefix
+}
+
+type RDRCStore interface {
+	LoadRDRC(transportName string, qName string, qType uint16) (rejected bool)
+	SaveRDRC(transportName string, qName string, qType uint16) error
+	SaveRDRCAsync(transportName string, qName string, qType uint16, logger logger.Logger)
+}
+
+type DNSTransport interface {
+	Type() string
+	Tag() string
+	Dependencies() []string
+	Reset()
+	Exchange(ctx context.Context, message *dns.Msg) (*dns.Msg, error)
+}
+
+type LegacyDNSTransport interface {
+	LegacyStrategy() C.DomainStrategy
+	LegacyClientSubnet() netip.Prefix
+}
+
+type DNSTransportRegistry interface {
+	option.DNSTransportOptionsRegistry
+	CreateDNSTransport(ctx context.Context, logger log.ContextLogger, tag string, transportType string, options any) (DNSTransport, error)
+}
+
+type DNSTransportManager interface {
+	Lifecycle
+	Transports() []DNSTransport
+	Transport(tag string) (DNSTransport, bool)
+	Default() DNSTransport
+	FakeIP() FakeIPTransport
+	Remove(tag string) error
+	Create(ctx context.Context, logger log.ContextLogger, tag string, outboundType string, options any) error
+}

adapter/endpoint.go

@@ -0,0 +1,28 @@
+package adapter
+
+import (
+	"context"
+
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+)
+
+type Endpoint interface {
+	Lifecycle
+	Type() string
+	Tag() string
+	Outbound
+}
+
+type EndpointRegistry interface {
+	option.EndpointOptionsRegistry
+	Create(ctx context.Context, router Router, logger log.ContextLogger, tag string, endpointType string, options any) (Endpoint, error)
+}
+
+type EndpointManager interface {
+	Lifecycle
+	Endpoints() []Endpoint
+	Get(tag string) (Endpoint, bool)
+	Remove(tag string) error
+	Create(ctx context.Context, router Router, logger log.ContextLogger, tag string, endpointType string, options any) error
+}

adapter/endpoint/adapter.go

@@ -0,0 +1,43 @@
+package endpoint
+
+import "github.com/sagernet/sing-box/option"
+
+type Adapter struct {
+	endpointType string
+	endpointTag  string
+	network      []string
+	dependencies []string
+}
+
+func NewAdapter(endpointType string, endpointTag string, network []string, dependencies []string) Adapter {
+	return Adapter{
+		endpointType: endpointType,
+		endpointTag:  endpointTag,
+		network:      network,
+		dependencies: dependencies,
+	}
+}
+
+func NewAdapterWithDialerOptions(endpointType string, endpointTag string, network []string, dialOptions option.DialerOptions) Adapter {
+	var dependencies []string
+	if dialOptions.Detour != "" {
+		dependencies = []string{dialOptions.Detour}
+	}
+	return NewAdapter(endpointType, endpointTag, network, dependencies)
+}
+
+func (a *Adapter) Type() string {
+	return a.endpointType
+}
+
+func (a *Adapter) Tag() string {
+	return a.endpointTag
+}
+
+func (a *Adapter) Network() []string {
+	return a.network
+}
+
+func (a *Adapter) Dependencies() []string {
+	return a.dependencies
+}

adapter/endpoint/manager.go

@@ -0,0 +1,147 @@
+package endpoint
+
+import (
+	"context"
+	"os"
+	"sync"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/taskmonitor"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+var _ adapter.EndpointManager = (*Manager)(nil)
+
+type Manager struct {
+	logger        log.ContextLogger
+	registry      adapter.EndpointRegistry
+	access        sync.Mutex
+	started       bool
+	stage         adapter.StartStage
+	endpoints     []adapter.Endpoint
+	endpointByTag map[string]adapter.Endpoint
+}
+
+func NewManager(logger log.ContextLogger, registry adapter.EndpointRegistry) *Manager {
+	return &Manager{
+		logger:        logger,
+		registry:      registry,
+		endpointByTag: make(map[string]adapter.Endpoint),
+	}
+}
+
+func (m *Manager) Start(stage adapter.StartStage) error {
+	m.access.Lock()
+	defer m.access.Unlock()
+	if m.started && m.stage >= stage {
+		panic("already started")
+	}
+	m.started = true
+	m.stage = stage
+	if stage == adapter.StartStateStart {
+		// started with outbound manager
+		return nil
+	}
+	for _, endpoint := range m.endpoints {
+		err := adapter.LegacyStart(endpoint, stage)
+		if err != nil {
+			return E.Cause(err, stage, " endpoint/", endpoint.Type(), "[", endpoint.Tag(), "]")
+		}
+	}
+	return nil
+}
+
+func (m *Manager) Close() error {
+	m.access.Lock()
+	defer m.access.Unlock()
+	if !m.started {
+		return nil
+	}
+	m.started = false
+	endpoints := m.endpoints
+	m.endpoints = nil
+	monitor := taskmonitor.New(m.logger, C.StopTimeout)
+	var err error
+	for _, endpoint := range endpoints {
+		monitor.Start("close endpoint/", endpoint.Type(), "[", endpoint.Tag(), "]")
+		err = E.Append(err, endpoint.Close(), func(err error) error {
+			return E.Cause(err, "close endpoint/", endpoint.Type(), "[", endpoint.Tag(), "]")
+		})
+		monitor.Finish()
+	}
+	return nil
+}
+
+func (m *Manager) Endpoints() []adapter.Endpoint {
+	m.access.Lock()
+	defer m.access.Unlock()
+	return m.endpoints
+}
+
+func (m *Manager) Get(tag string) (adapter.Endpoint, bool) {
+	m.access.Lock()
+	defer m.access.Unlock()
+	endpoint, found := m.endpointByTag[tag]
+	return endpoint, found
+}
+
+func (m *Manager) Remove(tag string) error {
+	m.access.Lock()
+	endpoint, found := m.endpointByTag[tag]
+	if !found {
+		m.access.Unlock()
+		return os.ErrInvalid
+	}
+	delete(m.endpointByTag, tag)
+	index := common.Index(m.endpoints, func(it adapter.Endpoint) bool {
+		return it == endpoint
+	})
+	if index == -1 {
+		panic("invalid endpoint index")
+	}
+	m.endpoints = append(m.endpoints[:index], m.endpoints[index+1:]...)
+	started := m.started
+	m.access.Unlock()
+	if started {
+		return endpoint.Close()
+	}
+	return nil
+}
+
+func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, outboundType string, options any) error {
+	endpoint, err := m.registry.Create(ctx, router, logger, tag, outboundType, options)
+	if err != nil {
+		return err
+	}
+	m.access.Lock()
+	defer m.access.Unlock()
+	if m.started {
+		for _, stage := range adapter.ListStartStages {
+			err = adapter.LegacyStart(endpoint, stage)
+			if err != nil {
+				return E.Cause(err, stage, " endpoint/", endpoint.Type(), "[", endpoint.Tag(), "]")
+			}
+		}
+	}
+	if existsEndpoint, loaded := m.endpointByTag[tag]; loaded {
+		if m.started {
+			err = existsEndpoint.Close()
+			if err != nil {
+				return E.Cause(err, "close endpoint/", existsEndpoint.Type(), "[", existsEndpoint.Tag(), "]")
+			}
+		}
+		existsIndex := common.Index(m.endpoints, func(it adapter.Endpoint) bool {
+			return it == existsEndpoint
+		})
+		if existsIndex == -1 {
+			panic("invalid endpoint index")
+		}
+		m.endpoints = append(m.endpoints[:existsIndex], m.endpoints[existsIndex+1:]...)
+	}
+	m.endpoints = append(m.endpoints, endpoint)
+	m.endpointByTag[tag] = endpoint
+	return nil
+}

adapter/endpoint/registry.go

@@ -0,0 +1,72 @@
+package endpoint
+
+import (
+	"context"
+	"sync"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+type ConstructorFunc[T any] func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options T) (adapter.Endpoint, error)
+
+func Register[Options any](registry *Registry, outboundType string, constructor ConstructorFunc[Options]) {
+	registry.register(outboundType, func() any {
+		return new(Options)
+	}, func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, rawOptions any) (adapter.Endpoint, error) {
+		var options *Options
+		if rawOptions != nil {
+			options = rawOptions.(*Options)
+		}
+		return constructor(ctx, router, logger, tag, common.PtrValueOrDefault(options))
+	})
+}
+
+var _ adapter.EndpointRegistry = (*Registry)(nil)
+
+type (
+	optionsConstructorFunc func() any
+	constructorFunc        func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options any) (adapter.Endpoint, error)
+)
+
+type Registry struct {
+	access      sync.Mutex
+	optionsType map[string]optionsConstructorFunc
+	constructor map[string]constructorFunc
+}
+
+func NewRegistry() *Registry {
+	return &Registry{
+		optionsType: make(map[string]optionsConstructorFunc),
+		constructor: make(map[string]constructorFunc),
+	}
+}
+
+func (m *Registry) CreateOptions(outboundType string) (any, bool) {
+	m.access.Lock()
+	defer m.access.Unlock()
+	optionsConstructor, loaded := m.optionsType[outboundType]
+	if !loaded {
+		return nil, false
+	}
+	return optionsConstructor(), true
+}
+
+func (m *Registry) Create(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, outboundType string, options any) (adapter.Endpoint, error) {
+	m.access.Lock()
+	defer m.access.Unlock()
+	constructor, loaded := m.constructor[outboundType]
+	if !loaded {
+		return nil, E.New("outbound type not found: " + outboundType)
+	}
+	return constructor(ctx, router, logger, tag, options)
+}
+
+func (m *Registry) register(outboundType string, optionsConstructor optionsConstructorFunc, constructor constructorFunc) {
+	m.access.Lock()
+	defer m.access.Unlock()
+	m.optionsType[outboundType] = optionsConstructor
+	m.constructor[outboundType] = constructor
+}

adapter/experimental.go

@@ -4,34 +4,33 @@ import (
 	"bytes"
 	"context"
 	"encoding/binary"
-	"net"
 	"time"
 
 	"github.com/sagernet/sing-box/common/urltest"
-	"github.com/sagernet/sing-dns"
-	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/common/varbin"
 )
 
 type ClashServer interface {
-	Service
+	LifecycleService
-	PreStarter
+	ConnectionTracker
 	Mode() string
 	ModeList() []string
 	HistoryStorage() *urltest.HistoryStorage
-	RoutedConnection(ctx context.Context, conn net.Conn, metadata InboundContext, matchedRule Rule) (net.Conn, Tracker)
+}
-	RoutedPacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext, matchedRule Rule) (N.PacketConn, Tracker)
+
+type V2RayServer interface {
+	LifecycleService
+	StatsService() ConnectionTracker
 }
 
 type CacheFile interface {
-	Service
+	LifecycleService
-	PreStarter
 
 	StoreFakeIP() bool
 	FakeIPStorage
 
 	StoreRDRC() bool
-	dns.RDRCStore
+	RDRCStore
 
 	LoadMode() string
 	StoreMode(mode string) error
@@ -94,10 +93,6 @@ func (s *SavedRuleSet) UnmarshalBinary(data []byte) error {
 	return nil
 }
 
-type Tracker interface {
-	Leave()
-}
-
 type OutboundGroup interface {
 	Outbound
 	Now() string
@@ -115,13 +110,3 @@ func OutboundTag(detour Outbound) string {
 	}
 	return detour.Tag()
 }
-
-type V2RayServer interface {
-	Service
-	StatsService() V2RayStatsService
-}
-
-type V2RayStatsService interface {
-	RoutedConnection(inbound string, outbound string, user string, conn net.Conn) net.Conn
-	RoutedPacketConnection(inbound string, outbound string, user string, conn N.PacketConn) N.PacketConn
-}

adapter/fakeip.go

@@ -3,7 +3,6 @@ package adapter
 import (
 	"net/netip"
 
-	"github.com/sagernet/sing-dns"
 	"github.com/sagernet/sing/common/logger"
 )
 
@@ -27,6 +26,6 @@ type FakeIPStorage interface {
 }
 
 type FakeIPTransport interface {
-	dns.Transport
+	DNSTransport
 	Store() FakeIPStore
 }

adapter/handler.go

@@ -46,6 +46,9 @@ type PacketConnectionHandlerEx interface {
 	NewPacketConnectionEx(ctx context.Context, conn N.PacketConn, metadata InboundContext, onClose N.CloseHandlerFunc)
 }
 
+// Deprecated: use TCPConnectionHandlerEx instead
+//
+//nolint:staticcheck
 type UpstreamHandlerAdapter interface {
 	N.TCPConnectionHandler
 	N.UDPConnectionHandler

adapter/inbound.go

@@ -3,15 +3,17 @@ package adapter
 import (
 	"context"
 	"net/netip"
+	"time"
 
 	"github.com/sagernet/sing-box/common/process"
+	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	M "github.com/sagernet/sing/common/metadata"
 )
 
 type Inbound interface {
-	Service
+	Lifecycle
 	Type() string
 	Tag() string
 }
@@ -28,7 +30,15 @@ type UDPInjectableInbound interface {
 
 type InboundRegistry interface {
 	option.InboundOptionsRegistry
-	CreateInbound(ctx context.Context, router Router, logger log.ContextLogger, tag string, outboundType string, options any) (Inbound, error)
+	Create(ctx context.Context, router Router, logger log.ContextLogger, tag string, inboundType string, options any) (Inbound, error)
+}
+
+type InboundManager interface {
+	Lifecycle
+	Inbounds() []Inbound
+	Get(tag string) (Inbound, bool)
+	Remove(tag string) error
+	Create(ctx context.Context, router Router, logger log.ContextLogger, tag string, inboundType string, options any) error
 }
 
 type InboundContext struct {
@@ -54,10 +64,18 @@ type InboundContext struct {
 	InboundDetour            string
 	LastInbound              string
 	OriginDestination        M.Socksaddr
-	// Deprecated
+	RouteOriginalDestination M.Socksaddr
+	// Deprecated: to be removed
+	//nolint:staticcheck
 	InboundOptions            option.InboundOptions
 	UDPDisableDomainUnmapping bool
-	DNSServer                 string
+	UDPConnect                bool
+	UDPTimeout                time.Duration
+
+	NetworkStrategy     *C.NetworkStrategy
+	NetworkType         []C.InterfaceType
+	FallbackNetworkType []C.InterfaceType
+	FallbackDelay       time.Duration
 
 	DestinationAddresses []netip.Addr
 	SourceGeoIPCode      string

adapter/inbound/manager.go

@@ -0,0 +1,148 @@
+package inbound
+
+import (
+	"context"
+	"os"
+	"sync"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/taskmonitor"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+var _ adapter.InboundManager = (*Manager)(nil)
+
+type Manager struct {
+	logger       log.ContextLogger
+	registry     adapter.InboundRegistry
+	endpoint     adapter.EndpointManager
+	access       sync.Mutex
+	started      bool
+	stage        adapter.StartStage
+	inbounds     []adapter.Inbound
+	inboundByTag map[string]adapter.Inbound
+}
+
+func NewManager(logger log.ContextLogger, registry adapter.InboundRegistry, endpoint adapter.EndpointManager) *Manager {
+	return &Manager{
+		logger:       logger,
+		registry:     registry,
+		endpoint:     endpoint,
+		inboundByTag: make(map[string]adapter.Inbound),
+	}
+}
+
+func (m *Manager) Start(stage adapter.StartStage) error {
+	m.access.Lock()
+	defer m.access.Unlock()
+	if m.started && m.stage >= stage {
+		panic("already started")
+	}
+	m.started = true
+	m.stage = stage
+	for _, inbound := range m.inbounds {
+		err := adapter.LegacyStart(inbound, stage)
+		if err != nil {
+			return E.Cause(err, stage, " inbound/", inbound.Type(), "[", inbound.Tag(), "]")
+		}
+	}
+	return nil
+}
+
+func (m *Manager) Close() error {
+	m.access.Lock()
+	defer m.access.Unlock()
+	if !m.started {
+		return nil
+	}
+	m.started = false
+	inbounds := m.inbounds
+	m.inbounds = nil
+	monitor := taskmonitor.New(m.logger, C.StopTimeout)
+	var err error
+	for _, inbound := range inbounds {
+		monitor.Start("close inbound/", inbound.Type(), "[", inbound.Tag(), "]")
+		err = E.Append(err, inbound.Close(), func(err error) error {
+			return E.Cause(err, "close inbound/", inbound.Type(), "[", inbound.Tag(), "]")
+		})
+		monitor.Finish()
+	}
+	return nil
+}
+
+func (m *Manager) Inbounds() []adapter.Inbound {
+	m.access.Lock()
+	defer m.access.Unlock()
+	return m.inbounds
+}
+
+func (m *Manager) Get(tag string) (adapter.Inbound, bool) {
+	m.access.Lock()
+	inbound, found := m.inboundByTag[tag]
+	m.access.Unlock()
+	if found {
+		return inbound, true
+	}
+	return m.endpoint.Get(tag)
+}
+
+func (m *Manager) Remove(tag string) error {
+	m.access.Lock()
+	inbound, found := m.inboundByTag[tag]
+	if !found {
+		m.access.Unlock()
+		return os.ErrInvalid
+	}
+	delete(m.inboundByTag, tag)
+	index := common.Index(m.inbounds, func(it adapter.Inbound) bool {
+		return it == inbound
+	})
+	if index == -1 {
+		panic("invalid inbound index")
+	}
+	m.inbounds = append(m.inbounds[:index], m.inbounds[index+1:]...)
+	started := m.started
+	m.access.Unlock()
+	if started {
+		return inbound.Close()
+	}
+	return nil
+}
+
+func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, outboundType string, options any) error {
+	inbound, err := m.registry.Create(ctx, router, logger, tag, outboundType, options)
+	if err != nil {
+		return err
+	}
+	m.access.Lock()
+	defer m.access.Unlock()
+	if m.started {
+		for _, stage := range adapter.ListStartStages {
+			err = adapter.LegacyStart(inbound, stage)
+			if err != nil {
+				return E.Cause(err, stage, " inbound/", inbound.Type(), "[", inbound.Tag(), "]")
+			}
+		}
+	}
+	if existsInbound, loaded := m.inboundByTag[tag]; loaded {
+		if m.started {
+			err = existsInbound.Close()
+			if err != nil {
+				return E.Cause(err, "close inbound/", existsInbound.Type(), "[", existsInbound.Tag(), "]")
+			}
+		}
+		existsIndex := common.Index(m.inbounds, func(it adapter.Inbound) bool {
+			return it == existsInbound
+		})
+		if existsIndex == -1 {
+			panic("invalid inbound index")
+		}
+		m.inbounds = append(m.inbounds[:existsIndex], m.inbounds[existsIndex+1:]...)
+	}
+	m.inbounds = append(m.inbounds, inbound)
+	m.inboundByTag[tag] = inbound
+	return nil
+}

adapter/inbound/registry.go

@@ -15,8 +15,12 @@ type ConstructorFunc[T any] func(ctx context.Context, router adapter.Router, log
 func Register[Options any](registry *Registry, outboundType string, constructor ConstructorFunc[Options]) {
 	registry.register(outboundType, func() any {
 		return new(Options)
-	}, func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options any) (adapter.Inbound, error) {
+	}, func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, rawOptions any) (adapter.Inbound, error) {
-		return constructor(ctx, router, logger, tag, common.PtrValueOrDefault(options.(*Options)))
+		var options *Options
+		if rawOptions != nil {
+			options = rawOptions.(*Options)
+		}
+		return constructor(ctx, router, logger, tag, common.PtrValueOrDefault(options))
 	})
 }
 
@@ -30,39 +34,39 @@ type (
 type Registry struct {
 	access      sync.Mutex
 	optionsType map[string]optionsConstructorFunc
-	constructors map[string]constructorFunc
+	constructor map[string]constructorFunc
 }
 
 func NewRegistry() *Registry {
 	return &Registry{
 		optionsType: make(map[string]optionsConstructorFunc),
-		constructors: make(map[string]constructorFunc),
+		constructor: make(map[string]constructorFunc),
 	}
 }
 
-func (r *Registry) CreateOptions(outboundType string) (any, bool) {
+func (m *Registry) CreateOptions(outboundType string) (any, bool) {
-	r.access.Lock()
+	m.access.Lock()
-	defer r.access.Unlock()
+	defer m.access.Unlock()
-	optionsConstructor, loaded := r.optionsType[outboundType]
+	optionsConstructor, loaded := m.optionsType[outboundType]
 	if !loaded {
 		return nil, false
 	}
 	return optionsConstructor(), true
 }
 
-func (r *Registry) CreateInbound(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, outboundType string, options any) (adapter.Inbound, error) {
+func (m *Registry) Create(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, outboundType string, options any) (adapter.Inbound, error) {
-	r.access.Lock()
+	m.access.Lock()
-	defer r.access.Unlock()
+	defer m.access.Unlock()
-	constructor, loaded := r.constructors[outboundType]
+	constructor, loaded := m.constructor[outboundType]
 	if !loaded {
 		return nil, E.New("outbound type not found: " + outboundType)
 	}
 	return constructor(ctx, router, logger, tag, options)
 }
 
-func (r *Registry) register(outboundType string, optionsConstructor optionsConstructorFunc, constructor constructorFunc) {
+func (m *Registry) register(outboundType string, optionsConstructor optionsConstructorFunc, constructor constructorFunc) {
-	r.access.Lock()
+	m.access.Lock()
-	defer r.access.Unlock()
+	defer m.access.Unlock()
-	r.optionsType[outboundType] = optionsConstructor
+	m.optionsType[outboundType] = optionsConstructor
-	r.constructors[outboundType] = constructor
+	m.constructor[outboundType] = constructor
 }

adapter/lifecycle.go

@@ -0,0 +1,64 @@
+package adapter
+
+import E "github.com/sagernet/sing/common/exceptions"
+
+type StartStage uint8
+
+const (
+	StartStateInitialize StartStage = iota
+	StartStateStart
+	StartStatePostStart
+	StartStateStarted
+)
+
+var ListStartStages = []StartStage{
+	StartStateInitialize,
+	StartStateStart,
+	StartStatePostStart,
+	StartStateStarted,
+}
+
+func (s StartStage) String() string {
+	switch s {
+	case StartStateInitialize:
+		return "initialize"
+	case StartStateStart:
+		return "start"
+	case StartStatePostStart:
+		return "post-start"
+	case StartStateStarted:
+		return "finish-start"
+	default:
+		panic("unknown stage")
+	}
+}
+
+type Lifecycle interface {
+	Start(stage StartStage) error
+	Close() error
+}
+
+type LifecycleService interface {
+	Name() string
+	Lifecycle
+}
+
+func Start(stage StartStage, services ...Lifecycle) error {
+	for _, service := range services {
+		err := service.Start(stage)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func StartNamed(stage StartStage, services []LifecycleService) error {
+	for _, service := range services {
+		err := service.Start(stage)
+		if err != nil {
+			return E.Cause(err, stage.String(), " ", service.Name())
+		}
+	}
+	return nil
+}

adapter/lifecycle_legacy.go

@@ -0,0 +1,52 @@
+package adapter
+
+func LegacyStart(starter any, stage StartStage) error {
+	if lifecycle, isLifecycle := starter.(Lifecycle); isLifecycle {
+		return lifecycle.Start(stage)
+	}
+	switch stage {
+	case StartStateInitialize:
+		if preStarter, isPreStarter := starter.(interface {
+			PreStart() error
+		}); isPreStarter {
+			return preStarter.PreStart()
+		}
+	case StartStateStart:
+		if starter, isStarter := starter.(interface {
+			Start() error
+		}); isStarter {
+			return starter.Start()
+		}
+	case StartStateStarted:
+		if postStarter, isPostStarter := starter.(interface {
+			PostStart() error
+		}); isPostStarter {
+			return postStarter.PostStart()
+		}
+	}
+	return nil
+}
+
+type lifecycleServiceWrapper struct {
+	Service
+	name string
+}
+
+func NewLifecycleService(service Service, name string) LifecycleService {
+	return &lifecycleServiceWrapper{
+		Service: service,
+		name:    name,
+	}
+}
+
+func (l *lifecycleServiceWrapper) Name() string {
+	return l.name
+}
+
+func (l *lifecycleServiceWrapper) Start(stage StartStage) error {
+	return LegacyStart(l.Service, stage)
+}
+
+func (l *lifecycleServiceWrapper) Close() error {
+	return l.Service.Close()
+}

adapter/network.go

@@ -0,0 +1,54 @@
+package adapter
+
+import (
+	"time"
+
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-tun"
+	"github.com/sagernet/sing/common/control"
+)
+
+type NetworkManager interface {
+	Lifecycle
+	InterfaceFinder() control.InterfaceFinder
+	UpdateInterfaces() error
+	DefaultNetworkInterface() *NetworkInterface
+	NetworkInterfaces() []NetworkInterface
+	AutoDetectInterface() bool
+	AutoDetectInterfaceFunc() control.Func
+	ProtectFunc() control.Func
+	DefaultOptions() NetworkOptions
+	RegisterAutoRedirectOutputMark(mark uint32) error
+	AutoRedirectOutputMark() uint32
+	NetworkMonitor() tun.NetworkUpdateMonitor
+	InterfaceMonitor() tun.DefaultInterfaceMonitor
+	PackageManager() tun.PackageManager
+	WIFIState() WIFIState
+	ResetNetwork()
+}
+
+type NetworkOptions struct {
+	NetworkStrategy     *C.NetworkStrategy
+	NetworkType         []C.InterfaceType
+	FallbackNetworkType []C.InterfaceType
+	FallbackDelay       time.Duration
+	BindInterface       string
+	RoutingMark         uint32
+}
+
+type InterfaceUpdateListener interface {
+	InterfaceUpdated()
+}
+
+type WIFIState struct {
+	SSID  string
+	BSSID string
+}
+
+type NetworkInterface struct {
+	control.Interface
+	Type        C.InterfaceType
+	DNSServers  []string
+	Expensive   bool
+	Constrained bool
+}

adapter/outbound.go

@@ -22,3 +22,12 @@ type OutboundRegistry interface {
 	option.OutboundOptionsRegistry
 	CreateOutbound(ctx context.Context, router Router, logger log.ContextLogger, tag string, outboundType string, options any) (Outbound, error)
 }
+
+type OutboundManager interface {
+	Lifecycle
+	Outbounds() []Outbound
+	Outbound(tag string) (Outbound, bool)
+	Default() Outbound
+	Remove(tag string) error
+	Create(ctx context.Context, router Router, logger log.ContextLogger, tag string, outboundType string, options any) error
+}

adapter/outbound/adapter.go

@@ -5,35 +5,35 @@ import (
 )
 
 type Adapter struct {
-	protocol     string
+	outboundType string
+	outboundTag  string
 	network      []string
-	tag          string
 	dependencies []string
 }
 
-func NewAdapter(protocol string, network []string, tag string, dependencies []string) Adapter {
+func NewAdapter(outboundType string, outboundTag string, network []string, dependencies []string) Adapter {
 	return Adapter{
-		protocol:     protocol,
+		outboundType: outboundType,
+		outboundTag:  outboundTag,
 		network:      network,
-		tag:          tag,
 		dependencies: dependencies,
 	}
 }
 
-func NewAdapterWithDialerOptions(protocol string, network []string, tag string, dialOptions option.DialerOptions) Adapter {
+func NewAdapterWithDialerOptions(outboundType string, outboundTag string, network []string, dialOptions option.DialerOptions) Adapter {
 	var dependencies []string
 	if dialOptions.Detour != "" {
 		dependencies = []string{dialOptions.Detour}
 	}
-	return NewAdapter(protocol, network, tag, dependencies)
+	return NewAdapter(outboundType, outboundTag, network, dependencies)
 }
 
 func (a *Adapter) Type() string {
-	return a.protocol
+	return a.outboundType
 }
 
 func (a *Adapter) Tag() string {
-	return a.tag
+	return a.outboundTag
 }
 
 func (a *Adapter) Network() []string {

adapter/outbound/default.go

@@ -1,197 +0,0 @@
-package outbound
-
-import (
-	"context"
-	"net"
-	"net/netip"
-	"os"
-	"time"
-
-	"github.com/sagernet/sing-box/adapter"
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-dns"
-	"github.com/sagernet/sing/common"
-	"github.com/sagernet/sing/common/buf"
-	"github.com/sagernet/sing/common/bufio"
-	"github.com/sagernet/sing/common/canceler"
-	E "github.com/sagernet/sing/common/exceptions"
-	M "github.com/sagernet/sing/common/metadata"
-	N "github.com/sagernet/sing/common/network"
-)
-
-func NewConnection(ctx context.Context, this N.Dialer, conn net.Conn, metadata adapter.InboundContext) error {
-	ctx = adapter.WithContext(ctx, &metadata)
-	var outConn net.Conn
-	var err error
-	if len(metadata.DestinationAddresses) > 0 {
-		outConn, err = N.DialSerial(ctx, this, N.NetworkTCP, metadata.Destination, metadata.DestinationAddresses)
-	} else {
-		outConn, err = this.DialContext(ctx, N.NetworkTCP, metadata.Destination)
-	}
-	if err != nil {
-		return N.ReportHandshakeFailure(conn, err)
-	}
-	err = N.ReportConnHandshakeSuccess(conn, outConn)
-	if err != nil {
-		outConn.Close()
-		return err
-	}
-	return CopyEarlyConn(ctx, conn, outConn)
-}
-
-func NewDirectConnection(ctx context.Context, router adapter.Router, this N.Dialer, conn net.Conn, metadata adapter.InboundContext, domainStrategy dns.DomainStrategy) error {
-	ctx = adapter.WithContext(ctx, &metadata)
-	var outConn net.Conn
-	var err error
-	if len(metadata.DestinationAddresses) > 0 {
-		outConn, err = N.DialSerial(ctx, this, N.NetworkTCP, metadata.Destination, metadata.DestinationAddresses)
-	} else if metadata.Destination.IsFqdn() {
-		var destinationAddresses []netip.Addr
-		destinationAddresses, err = router.Lookup(ctx, metadata.Destination.Fqdn, domainStrategy)
-		if err != nil {
-			return N.ReportHandshakeFailure(conn, err)
-		}
-		outConn, err = N.DialSerial(ctx, this, N.NetworkTCP, metadata.Destination, destinationAddresses)
-	} else {
-		outConn, err = this.DialContext(ctx, N.NetworkTCP, metadata.Destination)
-	}
-	if err != nil {
-		return N.ReportHandshakeFailure(conn, err)
-	}
-	err = N.ReportConnHandshakeSuccess(conn, outConn)
-	if err != nil {
-		outConn.Close()
-		return err
-	}
-	return CopyEarlyConn(ctx, conn, outConn)
-}
-
-func NewPacketConnection(ctx context.Context, this N.Dialer, conn N.PacketConn, metadata adapter.InboundContext) error {
-	ctx = adapter.WithContext(ctx, &metadata)
-	var outConn net.PacketConn
-	var destinationAddress netip.Addr
-	var err error
-	if len(metadata.DestinationAddresses) > 0 {
-		outConn, destinationAddress, err = N.ListenSerial(ctx, this, metadata.Destination, metadata.DestinationAddresses)
-	} else {
-		outConn, err = this.ListenPacket(ctx, metadata.Destination)
-	}
-	if err != nil {
-		return N.ReportHandshakeFailure(conn, err)
-	}
-	err = N.ReportPacketConnHandshakeSuccess(conn, outConn)
-	if err != nil {
-		outConn.Close()
-		return err
-	}
-	if destinationAddress.IsValid() {
-		if metadata.Destination.IsFqdn() {
-			if metadata.UDPDisableDomainUnmapping {
-				outConn = bufio.NewUnidirectionalNATPacketConn(bufio.NewPacketConn(outConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), metadata.Destination)
-			} else {
-				outConn = bufio.NewNATPacketConn(bufio.NewPacketConn(outConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), metadata.Destination)
-			}
-		}
-		if natConn, loaded := common.Cast[bufio.NATPacketConn](conn); loaded {
-			natConn.UpdateDestination(destinationAddress)
-		}
-	}
-	switch metadata.Protocol {
-	case C.ProtocolSTUN:
-		ctx, conn = canceler.NewPacketConn(ctx, conn, C.STUNTimeout)
-	case C.ProtocolQUIC:
-		ctx, conn = canceler.NewPacketConn(ctx, conn, C.QUICTimeout)
-	case C.ProtocolDNS:
-		ctx, conn = canceler.NewPacketConn(ctx, conn, C.DNSTimeout)
-	}
-	return bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(outConn))
-}
-
-func NewDirectPacketConnection(ctx context.Context, router adapter.Router, this N.Dialer, conn N.PacketConn, metadata adapter.InboundContext, domainStrategy dns.DomainStrategy) error {
-	ctx = adapter.WithContext(ctx, &metadata)
-	var outConn net.PacketConn
-	var destinationAddress netip.Addr
-	var err error
-	if len(metadata.DestinationAddresses) > 0 {
-		outConn, destinationAddress, err = N.ListenSerial(ctx, this, metadata.Destination, metadata.DestinationAddresses)
-	} else if metadata.Destination.IsFqdn() {
-		var destinationAddresses []netip.Addr
-		destinationAddresses, err = router.Lookup(ctx, metadata.Destination.Fqdn, domainStrategy)
-		if err != nil {
-			return N.ReportHandshakeFailure(conn, err)
-		}
-		outConn, destinationAddress, err = N.ListenSerial(ctx, this, metadata.Destination, destinationAddresses)
-	} else {
-		outConn, err = this.ListenPacket(ctx, metadata.Destination)
-	}
-	if err != nil {
-		return N.ReportHandshakeFailure(conn, err)
-	}
-	err = N.ReportPacketConnHandshakeSuccess(conn, outConn)
-	if err != nil {
-		outConn.Close()
-		return err
-	}
-	if destinationAddress.IsValid() {
-		if metadata.Destination.IsFqdn() {
-			outConn = bufio.NewNATPacketConn(bufio.NewPacketConn(outConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), metadata.Destination)
-		}
-		if natConn, loaded := common.Cast[bufio.NATPacketConn](conn); loaded {
-			natConn.UpdateDestination(destinationAddress)
-		}
-	}
-	switch metadata.Protocol {
-	case C.ProtocolSTUN:
-		ctx, conn = canceler.NewPacketConn(ctx, conn, C.STUNTimeout)
-	case C.ProtocolQUIC:
-		ctx, conn = canceler.NewPacketConn(ctx, conn, C.QUICTimeout)
-	case C.ProtocolDNS:
-		ctx, conn = canceler.NewPacketConn(ctx, conn, C.DNSTimeout)
-	}
-	return bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(outConn))
-}
-
-func CopyEarlyConn(ctx context.Context, conn net.Conn, serverConn net.Conn) error {
-	if cachedReader, isCached := conn.(N.CachedReader); isCached {
-		payload := cachedReader.ReadCached()
-		if payload != nil && !payload.IsEmpty() {
-			_, err := serverConn.Write(payload.Bytes())
-			payload.Release()
-			if err != nil {
-				serverConn.Close()
-				return err
-			}
-			return bufio.CopyConn(ctx, conn, serverConn)
-		}
-	}
-	if earlyConn, isEarlyConn := common.Cast[N.EarlyConn](serverConn); isEarlyConn && earlyConn.NeedHandshake() {
-		payload := buf.NewPacket()
-		err := conn.SetReadDeadline(time.Now().Add(C.ReadPayloadTimeout))
-		if err != os.ErrInvalid {
-			if err != nil {
-				payload.Release()
-				serverConn.Close()
-				return err
-			}
-			_, err = payload.ReadOnceFrom(conn)
-			if err != nil && !E.IsTimeout(err) {
-				payload.Release()
-				serverConn.Close()
-				return E.Cause(err, "read payload")
-			}
-			err = conn.SetReadDeadline(time.Time{})
-			if err != nil {
-				payload.Release()
-				serverConn.Close()
-				return err
-			}
-		}
-		_, err = serverConn.Write(payload.Bytes())
-		payload.Release()
-		if err != nil {
-			serverConn.Close()
-			return N.ReportHandshakeFailure(conn, err)
-		}
-	}
-	return bufio.CopyConn(ctx, conn, serverConn)
-}

adapter/outbound/manager.go

@@ -0,0 +1,287 @@
+package outbound
+
+import (
+	"context"
+	"io"
+	"os"
+	"strings"
+	"sync"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/taskmonitor"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/logger"
+)
+
+var _ adapter.OutboundManager = (*Manager)(nil)
+
+type Manager struct {
+	logger                  log.ContextLogger
+	registry                adapter.OutboundRegistry
+	endpoint                adapter.EndpointManager
+	defaultTag              string
+	access                  sync.RWMutex
+	started                 bool
+	stage                   adapter.StartStage
+	outbounds               []adapter.Outbound
+	outboundByTag           map[string]adapter.Outbound
+	dependByTag             map[string][]string
+	defaultOutbound         adapter.Outbound
+	defaultOutboundFallback adapter.Outbound
+}
+
+func NewManager(logger logger.ContextLogger, registry adapter.OutboundRegistry, endpoint adapter.EndpointManager, defaultTag string) *Manager {
+	return &Manager{
+		logger:        logger,
+		registry:      registry,
+		endpoint:      endpoint,
+		defaultTag:    defaultTag,
+		outboundByTag: make(map[string]adapter.Outbound),
+		dependByTag:   make(map[string][]string),
+	}
+}
+
+func (m *Manager) Initialize(defaultOutboundFallback adapter.Outbound) {
+	m.defaultOutboundFallback = defaultOutboundFallback
+}
+
+func (m *Manager) Start(stage adapter.StartStage) error {
+	m.access.Lock()
+	if m.started && m.stage >= stage {
+		panic("already started")
+	}
+	m.started = true
+	m.stage = stage
+	outbounds := m.outbounds
+	m.access.Unlock()
+	if stage == adapter.StartStateStart {
+		if m.defaultTag != "" && m.defaultOutbound == nil {
+			defaultEndpoint, loaded := m.endpoint.Get(m.defaultTag)
+			if !loaded {
+				return E.New("default outbound not found: ", m.defaultTag)
+			}
+			m.defaultOutbound = defaultEndpoint
+		}
+		return m.startOutbounds(append(outbounds, common.Map(m.endpoint.Endpoints(), func(it adapter.Endpoint) adapter.Outbound { return it })...))
+	} else {
+		for _, outbound := range outbounds {
+			err := adapter.LegacyStart(outbound, stage)
+			if err != nil {
+				return E.Cause(err, stage, " outbound/", outbound.Type(), "[", outbound.Tag(), "]")
+			}
+		}
+	}
+	return nil
+}
+
+func (m *Manager) startOutbounds(outbounds []adapter.Outbound) error {
+	monitor := taskmonitor.New(m.logger, C.StartTimeout)
+	started := make(map[string]bool)
+	for {
+		canContinue := false
+	startOne:
+		for _, outboundToStart := range outbounds {
+			outboundTag := outboundToStart.Tag()
+			if started[outboundTag] {
+				continue
+			}
+			dependencies := outboundToStart.Dependencies()
+			for _, dependency := range dependencies {
+				if !started[dependency] {
+					continue startOne
+				}
+			}
+			started[outboundTag] = true
+			canContinue = true
+			if starter, isStarter := outboundToStart.(adapter.Lifecycle); isStarter {
+				monitor.Start("start outbound/", outboundToStart.Type(), "[", outboundTag, "]")
+				err := starter.Start(adapter.StartStateStart)
+				monitor.Finish()
+				if err != nil {
+					return E.Cause(err, "start outbound/", outboundToStart.Type(), "[", outboundTag, "]")
+				}
+			} else if starter, isStarter := outboundToStart.(interface {
+				Start() error
+			}); isStarter {
+				monitor.Start("start outbound/", outboundToStart.Type(), "[", outboundTag, "]")
+				err := starter.Start()
+				monitor.Finish()
+				if err != nil {
+					return E.Cause(err, "start outbound/", outboundToStart.Type(), "[", outboundTag, "]")
+				}
+			}
+		}
+		if len(started) == len(outbounds) {
+			break
+		}
+		if canContinue {
+			continue
+		}
+		currentOutbound := common.Find(outbounds, func(it adapter.Outbound) bool {
+			return !started[it.Tag()]
+		})
+		var lintOutbound func(oTree []string, oCurrent adapter.Outbound) error
+		lintOutbound = func(oTree []string, oCurrent adapter.Outbound) error {
+			problemOutboundTag := common.Find(oCurrent.Dependencies(), func(it string) bool {
+				return !started[it]
+			})
+			if common.Contains(oTree, problemOutboundTag) {
+				return E.New("circular outbound dependency: ", strings.Join(oTree, " -> "), " -> ", problemOutboundTag)
+			}
+			m.access.Lock()
+			problemOutbound := m.outboundByTag[problemOutboundTag]
+			m.access.Unlock()
+			if problemOutbound == nil {
+				return E.New("dependency[", problemOutboundTag, "] not found for outbound[", oCurrent.Tag(), "]")
+			}
+			return lintOutbound(append(oTree, problemOutboundTag), problemOutbound)
+		}
+		return lintOutbound([]string{currentOutbound.Tag()}, currentOutbound)
+	}
+	return nil
+}
+
+func (m *Manager) Close() error {
+	monitor := taskmonitor.New(m.logger, C.StopTimeout)
+	m.access.Lock()
+	if !m.started {
+		m.access.Unlock()
+		return nil
+	}
+	m.started = false
+	outbounds := m.outbounds
+	m.outbounds = nil
+	m.access.Unlock()
+	var err error
+	for _, outbound := range outbounds {
+		if closer, isCloser := outbound.(io.Closer); isCloser {
+			monitor.Start("close outbound/", outbound.Type(), "[", outbound.Tag(), "]")
+			err = E.Append(err, closer.Close(), func(err error) error {
+				return E.Cause(err, "close outbound/", outbound.Type(), "[", outbound.Tag(), "]")
+			})
+			monitor.Finish()
+		}
+	}
+	return nil
+}
+
+func (m *Manager) Outbounds() []adapter.Outbound {
+	m.access.RLock()
+	defer m.access.RUnlock()
+	return m.outbounds
+}
+
+func (m *Manager) Outbound(tag string) (adapter.Outbound, bool) {
+	m.access.RLock()
+	outbound, found := m.outboundByTag[tag]
+	m.access.RUnlock()
+	if found {
+		return outbound, true
+	}
+	return m.endpoint.Get(tag)
+}
+
+func (m *Manager) Default() adapter.Outbound {
+	m.access.RLock()
+	defer m.access.RUnlock()
+	if m.defaultOutbound != nil {
+		return m.defaultOutbound
+	} else {
+		return m.defaultOutboundFallback
+	}
+}
+
+func (m *Manager) Remove(tag string) error {
+	m.access.Lock()
+	defer m.access.Unlock()
+	outbound, found := m.outboundByTag[tag]
+	if !found {
+		return os.ErrInvalid
+	}
+	delete(m.outboundByTag, tag)
+	index := common.Index(m.outbounds, func(it adapter.Outbound) bool {
+		return it == outbound
+	})
+	if index == -1 {
+		panic("invalid inbound index")
+	}
+	m.outbounds = append(m.outbounds[:index], m.outbounds[index+1:]...)
+	started := m.started
+	if m.defaultOutbound == outbound {
+		if len(m.outbounds) > 0 {
+			m.defaultOutbound = m.outbounds[0]
+			m.logger.Info("updated default outbound to ", m.defaultOutbound.Tag())
+		} else {
+			m.defaultOutbound = nil
+		}
+	}
+	dependBy := m.dependByTag[tag]
+	if len(dependBy) > 0 {
+		return E.New("outbound[", tag, "] is depended by ", strings.Join(dependBy, ", "))
+	}
+	dependencies := outbound.Dependencies()
+	for _, dependency := range dependencies {
+		if len(m.dependByTag[dependency]) == 1 {
+			delete(m.dependByTag, dependency)
+		} else {
+			m.dependByTag[dependency] = common.Filter(m.dependByTag[dependency], func(it string) bool {
+				return it != tag
+			})
+		}
+	}
+	if started {
+		return common.Close(outbound)
+	}
+	return nil
+}
+
+func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, inboundType string, options any) error {
+	if tag == "" {
+		return os.ErrInvalid
+	}
+	outbound, err := m.registry.CreateOutbound(ctx, router, logger, tag, inboundType, options)
+	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)
+			if err != nil {
+				return E.Cause(err, stage, " outbound/", outbound.Type(), "[", outbound.Tag(), "]")
+			}
+		}
+	}
+	if existsOutbound, loaded := m.outboundByTag[tag]; loaded {
+		if m.started {
+			err = common.Close(existsOutbound)
+			if err != nil {
+				return E.Cause(err, "close outbound/", existsOutbound.Type(), "[", existsOutbound.Tag(), "]")
+			}
+		}
+		existsIndex := common.Index(m.outbounds, func(it adapter.Outbound) bool {
+			return it == existsOutbound
+		})
+		if existsIndex == -1 {
+			panic("invalid inbound index")
+		}
+		m.outbounds = append(m.outbounds[:existsIndex], m.outbounds[existsIndex+1:]...)
+	}
+	m.outbounds = append(m.outbounds, outbound)
+	m.outboundByTag[tag] = outbound
+	dependencies := outbound.Dependencies()
+	for _, dependency := range dependencies {
+		m.dependByTag[dependency] = append(m.dependByTag[dependency], tag)
+	}
+	if tag == m.defaultTag || (m.defaultTag == "" && m.defaultOutbound == nil) {
+		m.defaultOutbound = outbound
+		if m.started {
+			m.logger.Info("updated default outbound to ", outbound.Tag())
+		}
+	}
+	return nil
+}

adapter/outbound/registry.go

@@ -15,8 +15,12 @@ type ConstructorFunc[T any] func(ctx context.Context, router adapter.Router, log
 func Register[Options any](registry *Registry, outboundType string, constructor ConstructorFunc[Options]) {
 	registry.register(outboundType, func() any {
 		return new(Options)
-	}, func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options any) (adapter.Outbound, error) {
+	}, func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, rawOptions any) (adapter.Outbound, error) {
-		return constructor(ctx, router, logger, tag, common.PtrValueOrDefault(options.(*Options)))
+		var options *Options
+		if rawOptions != nil {
+			options = rawOptions.(*Options)
+		}
+		return constructor(ctx, router, logger, tag, common.PtrValueOrDefault(options))
 	})
 }
 

adapter/prestart.go

@@ -1,9 +1 @@
 package adapter
-
-type PreStarter interface {
-	PreStart() error
-}
-
-type PostStarter interface {
-	PostStart() error
-}

adapter/router.go

@@ -4,72 +4,31 @@ import (
 	"context"
 	"net"
 	"net/http"
-	"net/netip"
 	"sync"
 
-	"github.com/sagernet/sing-box/common/geoip"
 	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-dns"
-	"github.com/sagernet/sing-tun"
-	"github.com/sagernet/sing/common/control"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/common/x/list"
-	"github.com/sagernet/sing/service"
 
-	mdns "github.com/miekg/dns"
 	"go4.org/netipx"
 )
 
 type Router interface {
-	Service
+	Lifecycle
-	PreStarter
-	PostStarter
-	Cleanup() error
-
-	Outbounds() []Outbound
-	Outbound(tag string) (Outbound, bool)
-	DefaultOutbound(network string) (Outbound, error)
-
-	FakeIPStore() FakeIPStore
-
 	ConnectionRouter
 	PreMatch(metadata InboundContext) error
 	ConnectionRouterEx
-
-	GeoIPReader() *geoip.Reader
-	LoadGeosite(code string) (Rule, error)
-
 	RuleSet(tag string) (RuleSet, bool)
-
 	NeedWIFIState() bool
-
-	Exchange(ctx context.Context, message *mdns.Msg) (*mdns.Msg, error)
-	Lookup(ctx context.Context, domain string, strategy dns.DomainStrategy) ([]netip.Addr, error)
-	LookupDefault(ctx context.Context, domain string) ([]netip.Addr, error)
-	ClearDNSCache()
-
-	InterfaceFinder() control.InterfaceFinder
-	UpdateInterfaces() error
-	DefaultInterface() string
-	AutoDetectInterface() bool
-	AutoDetectInterfaceFunc() control.Func
-	DefaultMark() uint32
-	RegisterAutoRedirectOutputMark(mark uint32) error
-	AutoRedirectOutputMark() uint32
-	NetworkMonitor() tun.NetworkUpdateMonitor
-	InterfaceMonitor() tun.DefaultInterfaceMonitor
-	PackageManager() tun.PackageManager
-	WIFIState() WIFIState
 	Rules() []Rule
+	SetTracker(tracker ConnectionTracker)
+	ResetNetwork()
+}
 
-	ClashServer() ClashServer
+type ConnectionTracker interface {
-	SetClashServer(server ClashServer)
+	RoutedConnection(ctx context.Context, conn net.Conn, metadata InboundContext, matchedRule Rule, matchOutbound Outbound) net.Conn
-
+	RoutedPacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext, matchedRule Rule, matchOutbound Outbound) N.PacketConn
-	V2RayServer() V2RayServer
-	SetV2RayServer(server V2RayServer)
-
-	ResetNetwork() error
 }
 
 // Deprecated: Use ConnectionRouterEx instead.
@@ -84,14 +43,6 @@ type ConnectionRouterEx interface {
 	RoutePacketConnectionEx(ctx context.Context, conn N.PacketConn, metadata InboundContext, onClose N.CloseHandlerFunc)
 }
 
-func ContextWithRouter(ctx context.Context, router Router) context.Context {
-	return service.ContextWith(ctx, router)
-}
-
-func RouterFromContext(ctx context.Context) Router {
-	return service.FromContext[Router](ctx)
-}
-
 type RuleSet interface {
 	Name() string
 	StartContext(ctx context.Context, startContext *HTTPStartContext) error
@@ -151,12 +102,3 @@ func (c *HTTPStartContext) Close() {
 		client.CloseIdleConnections()
 	}
 }
-
-type InterfaceUpdateListener interface {
-	InterfaceUpdated()
-}
-
-type WIFIState struct {
-	SSID  string
-	BSSID string
-}

adapter/rule.go

@@ -13,7 +13,6 @@ type Rule interface {
 	HeadlessRule
 	Service
 	Type() string
-	UpdateGeosite() error
 	Action() RuleAction
 }
 

adapter/upstream_legacy.go

@@ -18,6 +18,8 @@ type (
 )
 
 // Deprecated
+//
+//nolint:staticcheck
 func NewUpstreamHandler(
 	metadata InboundContext,
 	connectionHandler ConnectionHandlerFunc,
@@ -34,7 +36,9 @@ func NewUpstreamHandler(
 
 var _ UpstreamHandlerAdapter = (*myUpstreamHandlerWrapper)(nil)
 
-// Deprecated
+// Deprecated: use myUpstreamHandlerWrapperEx instead.
+//
+//nolint:staticcheck
 type myUpstreamHandlerWrapper struct {
 	metadata          InboundContext
 	connectionHandler ConnectionHandlerFunc
@@ -42,6 +46,7 @@ type myUpstreamHandlerWrapper struct {
 	errorHandler      E.Handler
 }
 
+// Deprecated: use myUpstreamHandlerWrapperEx instead.
 func (w *myUpstreamHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
 	myMetadata := w.metadata
 	if metadata.Source.IsValid() {
@@ -53,6 +58,7 @@ func (w *myUpstreamHandlerWrapper) NewConnection(ctx context.Context, conn net.C
 	return w.connectionHandler(ctx, conn, myMetadata)
 }
 
+// Deprecated: use myUpstreamHandlerWrapperEx instead.
 func (w *myUpstreamHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
 	myMetadata := w.metadata
 	if metadata.Source.IsValid() {
@@ -64,11 +70,12 @@ func (w *myUpstreamHandlerWrapper) NewPacketConnection(ctx context.Context, conn
 	return w.packetHandler(ctx, conn, myMetadata)
 }
 
+// Deprecated: use myUpstreamHandlerWrapperEx instead.
 func (w *myUpstreamHandlerWrapper) NewError(ctx context.Context, err error) {
 	w.errorHandler.NewError(ctx, err)
 }
 
-// Deprecated
+// Deprecated: removed
 func UpstreamMetadata(metadata InboundContext) M.Metadata {
 	return M.Metadata{
 		Source:      metadata.Source,
@@ -76,14 +83,14 @@ func UpstreamMetadata(metadata InboundContext) M.Metadata {
 	}
 }
 
-// Deprecated
+// Deprecated: Use NewUpstreamContextHandlerEx instead.
 type myUpstreamContextHandlerWrapper struct {
 	connectionHandler ConnectionHandlerFunc
 	packetHandler     PacketConnectionHandlerFunc
 	errorHandler      E.Handler
 }
 
-// Deprecated
+// Deprecated: Use NewUpstreamContextHandlerEx instead.
 func NewUpstreamContextHandler(
 	connectionHandler ConnectionHandlerFunc,
 	packetHandler PacketConnectionHandlerFunc,
@@ -96,6 +103,7 @@ func NewUpstreamContextHandler(
 	}
 }
 
+// Deprecated: Use NewUpstreamContextHandlerEx instead.
 func (w *myUpstreamContextHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
 	myMetadata := ContextFrom(ctx)
 	if metadata.Source.IsValid() {
@@ -107,6 +115,7 @@ func (w *myUpstreamContextHandlerWrapper) NewConnection(ctx context.Context, con
 	return w.connectionHandler(ctx, conn, *myMetadata)
 }
 
+// Deprecated: Use NewUpstreamContextHandlerEx instead.
 func (w *myUpstreamContextHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
 	myMetadata := ContextFrom(ctx)
 	if metadata.Source.IsValid() {
@@ -118,6 +127,7 @@ func (w *myUpstreamContextHandlerWrapper) NewPacketConnection(ctx context.Contex
 	return w.packetHandler(ctx, conn, *myMetadata)
 }
 
+// Deprecated: Use NewUpstreamContextHandlerEx instead.
 func (w *myUpstreamContextHandlerWrapper) NewError(ctx context.Context, err error) {
 	w.errorHandler.NewError(ctx, err)
 }
@@ -149,12 +159,15 @@ func NewRouteContextHandler(
 var _ UpstreamHandlerAdapter = (*routeHandlerWrapper)(nil)
 
 // Deprecated: Use ConnectionRouterEx instead.
+//
+//nolint:staticcheck
 type routeHandlerWrapper struct {
 	metadata InboundContext
 	router   ConnectionRouter
 	logger   logger.ContextLogger
 }
 
+// Deprecated: Use ConnectionRouterEx instead.
 func (w *routeHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
 	myMetadata := w.metadata
 	if metadata.Source.IsValid() {
@@ -166,6 +179,7 @@ func (w *routeHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn,
 	return w.router.RouteConnection(ctx, conn, myMetadata)
 }
 
+// Deprecated: Use ConnectionRouterEx instead.
 func (w *routeHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
 	myMetadata := w.metadata
 	if metadata.Source.IsValid() {
@@ -177,6 +191,7 @@ func (w *routeHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.Pa
 	return w.router.RoutePacketConnection(ctx, conn, myMetadata)
 }
 
+// Deprecated: Use ConnectionRouterEx instead.
 func (w *routeHandlerWrapper) NewError(ctx context.Context, err error) {
 	w.logger.ErrorContext(ctx, err)
 }
@@ -189,6 +204,7 @@ type routeContextHandlerWrapper struct {
 	logger logger.ContextLogger
 }
 
+// Deprecated: Use ConnectionRouterEx instead.
 func (w *routeContextHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
 	myMetadata := ContextFrom(ctx)
 	if metadata.Source.IsValid() {
@@ -200,6 +216,7 @@ func (w *routeContextHandlerWrapper) NewConnection(ctx context.Context, conn net
 	return w.router.RouteConnection(ctx, conn, *myMetadata)
 }
 
+// Deprecated: Use ConnectionRouterEx instead.
 func (w *routeContextHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
 	myMetadata := ContextFrom(ctx)
 	if metadata.Source.IsValid() {
@@ -211,6 +228,7 @@ func (w *routeContextHandlerWrapper) NewPacketConnection(ctx context.Context, co
 	return w.router.RoutePacketConnection(ctx, conn, *myMetadata)
 }
 
+// Deprecated: Use ConnectionRouterEx instead.
 func (w *routeContextHandlerWrapper) NewError(ctx context.Context, err error) {
 	w.logger.ErrorContext(ctx, err)
 }

box.go

@@ -9,8 +9,15 @@ import (
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/adapter/endpoint"
+	"github.com/sagernet/sing-box/adapter/inbound"
+	"github.com/sagernet/sing-box/adapter/outbound"
+	"github.com/sagernet/sing-box/common/dialer"
 	"github.com/sagernet/sing-box/common/taskmonitor"
+	"github.com/sagernet/sing-box/common/tls"
 	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/dns"
+	"github.com/sagernet/sing-box/dns/transport/local"
 	"github.com/sagernet/sing-box/experimental"
 	"github.com/sagernet/sing-box/experimental/cachefile"
 	"github.com/sagernet/sing-box/experimental/libbox/platform"
@@ -21,6 +28,7 @@ import (
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
 	F "github.com/sagernet/sing/common/format"
+	"github.com/sagernet/sing/common/ntp"
 	"github.com/sagernet/sing/service"
 	"github.com/sagernet/sing/service/pause"
 )
@@ -29,14 +37,17 @@ var _ adapter.Service = (*Box)(nil)
 
 type Box struct {
 	createdAt    time.Time
-	router       adapter.Router
-	inbounds     []adapter.Inbound
-	outbounds    []adapter.Outbound
 	logFactory   log.Factory
 	logger       log.ContextLogger
-	preServices1 map[string]adapter.Service
+	network      *route.NetworkManager
-	preServices2 map[string]adapter.Service
+	endpoint     *endpoint.Manager
-	postServices map[string]adapter.Service
+	inbound      *inbound.Manager
+	outbound     *outbound.Manager
+	dnsTransport *dns.TransportManager
+	dnsRouter    *dns.Router
+	connection   *route.ConnectionManager
+	router       *route.Router
+	services     []adapter.LifecycleService
 	done         chan struct{}
 }
 
@@ -46,7 +57,13 @@ type Options struct {
 	PlatformLogWriter log.PlatformWriter
 }
 
-func Context(ctx context.Context, inboundRegistry adapter.InboundRegistry, outboundRegistry adapter.OutboundRegistry) context.Context {
+func Context(
+	ctx context.Context,
+	inboundRegistry adapter.InboundRegistry,
+	outboundRegistry adapter.OutboundRegistry,
+	endpointRegistry adapter.EndpointRegistry,
+	dnsTransportRegistry adapter.DNSTransportRegistry,
+) context.Context {
 	if service.FromContext[option.InboundOptionsRegistry](ctx) == nil ||
 		service.FromContext[adapter.InboundRegistry](ctx) == nil {
 		ctx = service.ContextWith[option.InboundOptionsRegistry](ctx, inboundRegistry)
@@ -57,6 +74,15 @@ func Context(ctx context.Context, inboundRegistry adapter.InboundRegistry, outbo
 		ctx = service.ContextWith[option.OutboundOptionsRegistry](ctx, outboundRegistry)
 		ctx = service.ContextWith[adapter.OutboundRegistry](ctx, outboundRegistry)
 	}
+	if service.FromContext[option.EndpointOptionsRegistry](ctx) == nil ||
+		service.FromContext[adapter.EndpointRegistry](ctx) == nil {
+		ctx = service.ContextWith[option.EndpointOptionsRegistry](ctx, endpointRegistry)
+		ctx = service.ContextWith[adapter.EndpointRegistry](ctx, endpointRegistry)
+	}
+	if service.FromContext[adapter.DNSTransportRegistry](ctx) == nil {
+		ctx = service.ContextWith[option.DNSTransportOptionsRegistry](ctx, dnsTransportRegistry)
+		ctx = service.ContextWith[adapter.DNSTransportRegistry](ctx, dnsTransportRegistry)
+	}
 	return ctx
 }
 
@@ -66,15 +92,23 @@ func New(options Options) (*Box, error) {
 	if ctx == nil {
 		ctx = context.Background()
 	}
+	ctx = service.ContextWithDefaultRegistry(ctx)
+
+	endpointRegistry := service.FromContext[adapter.EndpointRegistry](ctx)
 	inboundRegistry := service.FromContext[adapter.InboundRegistry](ctx)
+	outboundRegistry := service.FromContext[adapter.OutboundRegistry](ctx)
+	dnsTransportRegistry := service.FromContext[adapter.DNSTransportRegistry](ctx)
+
+	if endpointRegistry == nil {
+		return nil, E.New("missing endpoint registry in context")
+	}
 	if inboundRegistry == nil {
 		return nil, E.New("missing inbound registry in context")
 	}
-	outboundRegistry := service.FromContext[adapter.OutboundRegistry](ctx)
 	if outboundRegistry == nil {
 		return nil, E.New("missing outbound registry in context")
 	}
-	ctx = service.ContextWithDefaultRegistry(ctx)
+
 	ctx = pause.WithDefaultManager(ctx)
 	experimentalOptions := common.PtrValueOrDefault(options.Experimental)
 	applyDebugOptions(common.PtrValueOrDefault(experimentalOptions.Debug))
@@ -106,48 +140,87 @@ func New(options Options) (*Box, error) {
 	if err != nil {
 		return nil, E.Cause(err, "create log factory")
 	}
-	router, err := route.NewRouter(
+
+	routeOptions := common.PtrValueOrDefault(options.Route)
+	dnsOptions := common.PtrValueOrDefault(options.DNS)
+	endpointManager := endpoint.NewManager(logFactory.NewLogger("endpoint"), endpointRegistry)
+	inboundManager := inbound.NewManager(logFactory.NewLogger("inbound"), inboundRegistry, endpointManager)
+	outboundManager := outbound.NewManager(logFactory.NewLogger("outbound"), outboundRegistry, endpointManager, routeOptions.Final)
+	dnsTransportManager := dns.NewTransportManager(logFactory.NewLogger("dns/transport"), dnsTransportRegistry, outboundManager, dnsOptions.Final)
+	service.MustRegister[adapter.EndpointManager](ctx, endpointManager)
+	service.MustRegister[adapter.InboundManager](ctx, inboundManager)
+	service.MustRegister[adapter.OutboundManager](ctx, outboundManager)
+	service.MustRegister[adapter.DNSTransportManager](ctx, dnsTransportManager)
+	dnsRouter := dns.NewRouter(ctx, logFactory, dnsOptions)
+	service.MustRegister[adapter.DNSRouter](ctx, dnsRouter)
+	networkManager, err := route.NewNetworkManager(ctx, logFactory.NewLogger("network"), routeOptions)
+	if err != nil {
+		return nil, E.Cause(err, "initialize network manager")
+	}
+	service.MustRegister[adapter.NetworkManager](ctx, networkManager)
+	connectionManager := route.NewConnectionManager(logFactory.NewLogger("connection"))
+	service.MustRegister[adapter.ConnectionManager](ctx, connectionManager)
+	router := route.NewRouter(ctx, logFactory, routeOptions, dnsOptions)
+	service.MustRegister[adapter.Router](ctx, router)
+	err = router.Initialize(routeOptions.Rules, routeOptions.RuleSet)
+	if err != nil {
+		return nil, E.Cause(err, "initialize router")
+	}
+	ntpOptions := common.PtrValueOrDefault(options.NTP)
+	var timeService *tls.TimeServiceWrapper
+	if ntpOptions.Enabled {
+		timeService = new(tls.TimeServiceWrapper)
+		service.MustRegister[ntp.TimeService](ctx, timeService)
+	}
+	for i, transportOptions := range dnsOptions.Servers {
+		var tag string
+		if transportOptions.Tag != "" {
+			tag = transportOptions.Tag
+		} else {
+			tag = F.ToString(i)
+		}
+		err = dnsTransportManager.Create(
 			ctx,
-		logFactory,
+			logFactory.NewLogger(F.ToString("dns/", transportOptions.Type, "[", tag, "]")),
-		common.PtrValueOrDefault(options.Route),
+			tag,
-		common.PtrValueOrDefault(options.DNS),
+			transportOptions.Type,
-		common.PtrValueOrDefault(options.NTP),
+			transportOptions.Options,
-		options.Inbounds,
 		)
 		if err != nil {
-		return nil, E.Cause(err, "parse route options")
+			return nil, E.Cause(err, "initialize inbound[", i, "]")
-	}
-	//nolint:staticcheck
-	if len(options.LegacyInbounds) > 0 {
-		for _, legacyInbound := range options.LegacyInbounds {
-			options.Inbounds = append(options.Inbounds, option.Inbound{
-				Type:    legacyInbound.Type,
-				Tag:     legacyInbound.Tag,
-				Options: common.Must1(legacyInbound.RawOptions()),
-			})
 		}
 	}
-	inbounds := make([]adapter.Inbound, 0, len(options.Inbounds))
+	err = dnsRouter.Initialize(dnsOptions.Rules)
-	//nolint:staticcheck
+	if err != nil {
-	if len(options.LegacyOutbounds) > 0 {
+		return nil, E.Cause(err, "initialize dns router")
-		for _, legacyOutbound := range options.LegacyOutbounds {
+	}
-			options.Outbounds = append(options.Outbounds, option.Outbound{
+	for i, endpointOptions := range options.Endpoints {
-				Type:    legacyOutbound.Type,
+		var tag string
-				Tag:     legacyOutbound.Tag,
+		if endpointOptions.Tag != "" {
-				Options: common.Must1(legacyOutbound.RawOptions()),
+			tag = endpointOptions.Tag
-			})
+		} else {
+			tag = F.ToString(i)
+		}
+		err = endpointManager.Create(
+			ctx,
+			router,
+			logFactory.NewLogger(F.ToString("endpoint/", endpointOptions.Type, "[", tag, "]")),
+			tag,
+			endpointOptions.Type,
+			endpointOptions.Options,
+		)
+		if err != nil {
+			return nil, E.Cause(err, "initialize inbound[", i, "]")
 		}
 	}
-	outbounds := make([]adapter.Outbound, 0, len(options.Outbounds))
 	for i, inboundOptions := range options.Inbounds {
-		var currentInbound adapter.Inbound
 		var tag string
 		if inboundOptions.Tag != "" {
 			tag = inboundOptions.Tag
 		} else {
 			tag = F.ToString(i)
 		}
-		currentInbound, err = inboundRegistry.CreateInbound(
+		err = inboundManager.Create(
 			ctx,
 			router,
 			logFactory.NewLogger(F.ToString("inbound/", inboundOptions.Type, "[", tag, "]")),
@@ -156,12 +229,10 @@ func New(options Options) (*Box, error) {
 			inboundOptions.Options,
 		)
 		if err != nil {
-			return nil, E.Cause(err, "parse inbound[", i, "]")
+			return nil, E.Cause(err, "initialize inbound[", i, "]")
 		}
-		inbounds = append(inbounds, currentInbound)
 	}
 	for i, outboundOptions := range options.Outbounds {
-		var currentOutbound adapter.Outbound
 		var tag string
 		if outboundOptions.Tag != "" {
 			tag = outboundOptions.Tag
@@ -175,7 +246,7 @@ func New(options Options) (*Box, error) {
 				Outbound: tag,
 			})
 		}
-		currentOutbound, err = outboundRegistry.CreateOutbound(
+		err = outboundManager.Create(
 			outboundCtx,
 			router,
 			logFactory.NewLogger(F.ToString("outbound/", outboundOptions.Type, "[", tag, "]")),
@@ -184,64 +255,88 @@ func New(options Options) (*Box, error) {
 			outboundOptions.Options,
 		)
 		if err != nil {
-			return nil, E.Cause(err, "parse outbound[", i, "]")
+			return nil, E.Cause(err, "initialize outbound[", i, "]")
 		}
-		outbounds = append(outbounds, currentOutbound)
-	}
-	err = router.Initialize(inbounds, outbounds, func() adapter.Outbound {
-		defaultOutbound, cErr := direct.NewOutbound(ctx, router, logFactory.NewLogger("outbound/direct"), "direct", option.DirectOutboundOptions{})
-		common.Must(cErr)
-		outbounds = append(outbounds, defaultOutbound)
-		return defaultOutbound
-	})
-	if err != nil {
-		return nil, err
 	}
+	outboundManager.Initialize(common.Must1(
+		direct.NewOutbound(
+			ctx,
+			router,
+			logFactory.NewLogger("outbound/direct"),
+			"direct",
+			option.DirectOutboundOptions{},
+		),
+	))
+	dnsTransportManager.Initialize(common.Must1(
+		local.NewTransport(
+			ctx,
+			logFactory.NewLogger("dns/local"),
+			"local",
+			option.LocalDNSServerOptions{},
+		)))
 	if platformInterface != nil {
-		err = platformInterface.Initialize(ctx, router)
+		err = platformInterface.Initialize(networkManager)
 		if err != nil {
 			return nil, E.Cause(err, "initialize platform interface")
 		}
 	}
-	preServices1 := make(map[string]adapter.Service)
+	var services []adapter.LifecycleService
-	preServices2 := make(map[string]adapter.Service)
-	postServices := make(map[string]adapter.Service)
 	if needCacheFile {
-		cacheFile := service.FromContext[adapter.CacheFile](ctx)
+		cacheFile := cachefile.New(ctx, common.PtrValueOrDefault(experimentalOptions.CacheFile))
-		if cacheFile == nil {
-			cacheFile = cachefile.New(ctx, common.PtrValueOrDefault(experimentalOptions.CacheFile))
 		service.MustRegister[adapter.CacheFile](ctx, cacheFile)
-		}
+		services = append(services, cacheFile)
-		preServices1["cache file"] = cacheFile
 	}
 	if needClashAPI {
 		clashAPIOptions := common.PtrValueOrDefault(experimentalOptions.ClashAPI)
 		clashAPIOptions.ModeList = experimental.CalculateClashModeList(options.Options)
-		clashServer, err := experimental.NewClashServer(ctx, router, logFactory.(log.ObservableFactory), clashAPIOptions)
+		clashServer, err := experimental.NewClashServer(ctx, logFactory.(log.ObservableFactory), clashAPIOptions)
 		if err != nil {
-			return nil, E.Cause(err, "create clash api server")
+			return nil, E.Cause(err, "create clash-server")
 		}
-		router.SetClashServer(clashServer)
+		router.SetTracker(clashServer)
-		preServices2["clash api"] = clashServer
+		service.MustRegister[adapter.ClashServer](ctx, clashServer)
+		services = append(services, clashServer)
 	}
 	if needV2RayAPI {
 		v2rayServer, err := experimental.NewV2RayServer(logFactory.NewLogger("v2ray-api"), common.PtrValueOrDefault(experimentalOptions.V2RayAPI))
 		if err != nil {
-			return nil, E.Cause(err, "create v2ray api server")
+			return nil, E.Cause(err, "create v2ray-server")
 		}
-		router.SetV2RayServer(v2rayServer)
+		if v2rayServer.StatsService() != nil {
-		preServices2["v2ray api"] = v2rayServer
+			router.SetTracker(v2rayServer.StatsService())
+			services = append(services, v2rayServer)
+			service.MustRegister[adapter.V2RayServer](ctx, v2rayServer)
+		}
+	}
+	if ntpOptions.Enabled {
+		ntpDialer, err := dialer.New(ctx, ntpOptions.DialerOptions, ntpOptions.ServerIsDomain())
+		if err != nil {
+			return nil, E.Cause(err, "create NTP service")
+		}
+		ntpService := ntp.NewService(ntp.Options{
+			Context:       ctx,
+			Dialer:        ntpDialer,
+			Logger:        logFactory.NewLogger("ntp"),
+			Server:        ntpOptions.ServerOptions.Build(),
+			Interval:      time.Duration(ntpOptions.Interval),
+			WriteToSystem: ntpOptions.WriteToSystem,
+		})
+		timeService.TimeService = ntpService
+		services = append(services, adapter.NewLifecycleService(ntpService, "ntp service"))
 	}
 	return &Box{
+		network:      networkManager,
+		endpoint:     endpointManager,
+		inbound:      inboundManager,
+		outbound:     outboundManager,
+		dnsTransport: dnsTransportManager,
+		dnsRouter:    dnsRouter,
+		connection:   connectionManager,
 		router:       router,
-		inbounds:     inbounds,
-		outbounds:    outbounds,
 		createdAt:    createdAt,
 		logFactory:   logFactory,
 		logger:       logFactory.Logger(),
-		preServices1: preServices1,
+		services:     services,
-		preServices2: preServices2,
-		postServices: postServices,
 		done:         make(chan struct{}),
 	}, nil
 }
@@ -292,35 +387,19 @@ func (s *Box) preStart() error {
 	if err != nil {
 		return E.Cause(err, "start logger")
 	}
-	for serviceName, service := range s.preServices1 {
+	err = adapter.StartNamed(adapter.StartStateInitialize, s.services) // cache-file clash-api v2ray-api
-		if preService, isPreService := service.(adapter.PreStarter); isPreService {
-			monitor.Start("pre-start ", serviceName)
-			err := preService.PreStart()
-			monitor.Finish()
-			if err != nil {
-				return E.Cause(err, "pre-start ", serviceName)
-			}
-		}
-	}
-	for serviceName, service := range s.preServices2 {
-		if preService, isPreService := service.(adapter.PreStarter); isPreService {
-			monitor.Start("pre-start ", serviceName)
-			err := preService.PreStart()
-			monitor.Finish()
-			if err != nil {
-				return E.Cause(err, "pre-start ", serviceName)
-			}
-		}
-	}
-	err = s.router.PreStart()
-	if err != nil {
-		return E.Cause(err, "pre-start router")
-	}
-	err = s.startOutbounds()
 	if err != nil {
 		return err
 	}
-	return s.router.Start()
+	err = adapter.Start(adapter.StartStateInitialize, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.outbound, s.inbound, s.endpoint)
+	if err != nil {
+		return err
+	}
+	err = adapter.Start(adapter.StartStateStart, s.outbound, s.dnsTransport, s.dnsRouter, s.network, s.connection, s.router)
+	if err != nil {
+		return err
+	}
+	return nil
 }
 
 func (s *Box) start() error {
@@ -328,64 +407,33 @@ func (s *Box) start() error {
 	if err != nil {
 		return err
 	}
-	for serviceName, service := range s.preServices1 {
+	err = adapter.StartNamed(adapter.StartStateStart, s.services)
-		err = service.Start()
-		if err != nil {
-			return E.Cause(err, "start ", serviceName)
-		}
-	}
-	for serviceName, service := range s.preServices2 {
-		err = service.Start()
-		if err != nil {
-			return E.Cause(err, "start ", serviceName)
-		}
-	}
-	for i, in := range s.inbounds {
-		var tag string
-		if in.Tag() == "" {
-			tag = F.ToString(i)
-		} else {
-			tag = in.Tag()
-		}
-		err = in.Start()
-		if err != nil {
-			return E.Cause(err, "initialize inbound/", in.Type(), "[", tag, "]")
-		}
-	}
-	err = s.postStart()
 	if err != nil {
 		return err
 	}
-	return s.router.Cleanup()
+	err = s.inbound.Start(adapter.StartStateStart)
-}
-
-func (s *Box) postStart() error {
-	for serviceName, service := range s.postServices {
-		err := service.Start()
-		if err != nil {
-			return E.Cause(err, "start ", serviceName)
-		}
-	}
-	// TODO: reorganize ALL start order
-	for _, out := range s.outbounds {
-		if lateOutbound, isLateOutbound := out.(adapter.PostStarter); isLateOutbound {
-			err := lateOutbound.PostStart()
-			if err != nil {
-				return E.Cause(err, "post-start outbound/", out.Tag())
-			}
-		}
-	}
-	err := s.router.PostStart()
 	if err != nil {
 		return err
 	}
-	for _, in := range s.inbounds {
+	err = adapter.Start(adapter.StartStateStart, s.endpoint)
-		if lateInbound, isLateInbound := in.(adapter.PostStarter); isLateInbound {
-			err = lateInbound.PostStart()
 	if err != nil {
-				return E.Cause(err, "post-start inbound/", in.Tag())
+		return err
 	}
+	err = adapter.Start(adapter.StartStatePostStart, s.outbound, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.inbound, s.endpoint)
+	if err != nil {
+		return err
 	}
+	err = adapter.StartNamed(adapter.StartStatePostStart, s.services)
+	if err != nil {
+		return err
+	}
+	err = adapter.Start(adapter.StartStateStarted, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.outbound, s.inbound, s.endpoint)
+	if err != nil {
+		return err
+	}
+	err = adapter.StartNamed(adapter.StartStateStarted, s.services)
+	if err != nil {
+		return err
 	}
 	return nil
 }
@@ -397,58 +445,32 @@ func (s *Box) Close() error {
 	default:
 		close(s.done)
 	}
-	monitor := taskmonitor.New(s.logger, C.StopTimeout)
+	err := common.Close(
-	var errors error
+		s.inbound, s.outbound, s.router, s.connection, s.dnsRouter, s.dnsTransport, s.network,
-	for serviceName, service := range s.postServices {
+	)
-		monitor.Start("close ", serviceName)
+	for _, lifecycleService := range s.services {
-		errors = E.Append(errors, service.Close(), func(err error) error {
+		err = E.Append(err, lifecycleService.Close(), func(err error) error {
-			return E.Cause(err, "close ", serviceName)
+			return E.Cause(err, "close ", lifecycleService.Name())
-		})
-		monitor.Finish()
-	}
-	for i, in := range s.inbounds {
-		monitor.Start("close inbound/", in.Type(), "[", i, "]")
-		errors = E.Append(errors, in.Close(), func(err error) error {
-			return E.Cause(err, "close inbound/", in.Type(), "[", i, "]")
-		})
-		monitor.Finish()
-	}
-	for i, out := range s.outbounds {
-		monitor.Start("close outbound/", out.Type(), "[", i, "]")
-		errors = E.Append(errors, common.Close(out), func(err error) error {
-			return E.Cause(err, "close outbound/", out.Type(), "[", i, "]")
-		})
-		monitor.Finish()
-	}
-	monitor.Start("close router")
-	if err := common.Close(s.router); err != nil {
-		errors = E.Append(errors, err, func(err error) error {
-			return E.Cause(err, "close router")
 		})
 	}
-	monitor.Finish()
+	err = E.Append(err, s.logFactory.Close(), func(err error) error {
-	for serviceName, service := range s.preServices1 {
-		monitor.Start("close ", serviceName)
-		errors = E.Append(errors, service.Close(), func(err error) error {
-			return E.Cause(err, "close ", serviceName)
-		})
-		monitor.Finish()
-	}
-	for serviceName, service := range s.preServices2 {
-		monitor.Start("close ", serviceName)
-		errors = E.Append(errors, service.Close(), func(err error) error {
-			return E.Cause(err, "close ", serviceName)
-		})
-		monitor.Finish()
-	}
-	if err := common.Close(s.logFactory); err != nil {
-		errors = E.Append(errors, err, func(err error) error {
 		return E.Cause(err, "close logger")
 	})
-	}
+	return err
-	return errors
+}
+
+func (s *Box) Network() adapter.NetworkManager {
+	return s.network
 }
 
 func (s *Box) Router() adapter.Router {
 	return s.router
 }
+
+func (s *Box) Inbound() adapter.InboundManager {
+	return s.inbound
+}
+
+func (s *Box) Outbound() adapter.OutboundManager {
+	return s.outbound
+}

box_outbound.go

@@ -1,85 +0,0 @@
-package box
-
-import (
-	"strings"
-
-	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/common/taskmonitor"
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing/common"
-	E "github.com/sagernet/sing/common/exceptions"
-	F "github.com/sagernet/sing/common/format"
-)
-
-func (s *Box) startOutbounds() error {
-	monitor := taskmonitor.New(s.logger, C.StartTimeout)
-	outboundTags := make(map[adapter.Outbound]string)
-	outbounds := make(map[string]adapter.Outbound)
-	for i, outboundToStart := range s.outbounds {
-		var outboundTag string
-		if outboundToStart.Tag() == "" {
-			outboundTag = F.ToString(i)
-		} else {
-			outboundTag = outboundToStart.Tag()
-		}
-		if _, exists := outbounds[outboundTag]; exists {
-			return E.New("outbound tag ", outboundTag, " duplicated")
-		}
-		outboundTags[outboundToStart] = outboundTag
-		outbounds[outboundTag] = outboundToStart
-	}
-	started := make(map[string]bool)
-	for {
-		canContinue := false
-	startOne:
-		for _, outboundToStart := range s.outbounds {
-			outboundTag := outboundTags[outboundToStart]
-			if started[outboundTag] {
-				continue
-			}
-			dependencies := outboundToStart.Dependencies()
-			for _, dependency := range dependencies {
-				if !started[dependency] {
-					continue startOne
-				}
-			}
-			started[outboundTag] = true
-			canContinue = true
-			if starter, isStarter := outboundToStart.(interface {
-				Start() error
-			}); isStarter {
-				monitor.Start("initialize outbound/", outboundToStart.Type(), "[", outboundTag, "]")
-				err := starter.Start()
-				monitor.Finish()
-				if err != nil {
-					return E.Cause(err, "initialize outbound/", outboundToStart.Type(), "[", outboundTag, "]")
-				}
-			}
-		}
-		if len(started) == len(s.outbounds) {
-			break
-		}
-		if canContinue {
-			continue
-		}
-		currentOutbound := common.Find(s.outbounds, func(it adapter.Outbound) bool {
-			return !started[outboundTags[it]]
-		})
-		var lintOutbound func(oTree []string, oCurrent adapter.Outbound) error
-		lintOutbound = func(oTree []string, oCurrent adapter.Outbound) error {
-			problemOutboundTag := common.Find(oCurrent.Dependencies(), func(it string) bool {
-				return !started[it]
-			})
-			if common.Contains(oTree, problemOutboundTag) {
-				return E.New("circular outbound dependency: ", strings.Join(oTree, " -> "), " -> ", problemOutboundTag)
-			}
-			problemOutbound := outbounds[problemOutboundTag]
-			if problemOutbound == nil {
-				return E.New("dependency[", problemOutboundTag, "] not found for outbound[", outboundTags[oCurrent], "]")
-			}
-			return lintOutbound(append(oTree, problemOutboundTag), problemOutbound)
-		}
-		return lintOutbound([]string{outboundTags[currentOutbound]}, currentOutbound)
-	}
-	return nil
-}

cmd/internal/app_store_connect/main.go

@@ -0,0 +1,445 @@
+package main
+
+import (
+	"context"
+	"net/http"
+	"os"
+	"strconv"
+	"time"
+
+	"github.com/sagernet/asc-go/asc"
+	"github.com/sagernet/sing-box/cmd/internal/build_shared"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+	F "github.com/sagernet/sing/common/format"
+)
+
+func main() {
+	ctx := context.Background()
+	switch os.Args[1] {
+	case "next_macos_project_version":
+		err := fetchMacOSVersion(ctx)
+		if err != nil {
+			log.Fatal(err)
+		}
+	case "publish_testflight":
+		err := publishTestflight(ctx)
+		if err != nil {
+			log.Fatal(err)
+		}
+	case "cancel_app_store":
+		err := cancelAppStore(ctx, os.Args[2])
+		if err != nil {
+			log.Fatal(err)
+		}
+	case "prepare_app_store":
+		err := prepareAppStore(ctx)
+		if err != nil {
+			log.Fatal(err)
+		}
+	case "publish_app_store":
+		err := publishAppStore(ctx)
+		if err != nil {
+			log.Fatal(err)
+		}
+	default:
+		log.Fatal("unknown action: ", os.Args[1])
+	}
+}
+
+const (
+	appID   = "6673731168"
+	groupID = "5c5f3b78-b7a0-40c0-bcad-e6ef87bbefda"
+)
+
+func createClient(expireDuration time.Duration) *asc.Client {
+	privateKey, err := os.ReadFile(os.Getenv("ASC_KEY_PATH"))
+	if err != nil {
+		log.Fatal(err)
+	}
+	tokenConfig, err := asc.NewTokenConfig(os.Getenv("ASC_KEY_ID"), os.Getenv("ASC_KEY_ISSUER_ID"), expireDuration, privateKey)
+	if err != nil {
+		log.Fatal(err)
+	}
+	return asc.NewClient(tokenConfig.Client())
+}
+
+func fetchMacOSVersion(ctx context.Context) error {
+	client := createClient(time.Minute)
+	versions, _, err := client.Apps.ListAppStoreVersionsForApp(ctx, appID, &asc.ListAppStoreVersionsQuery{
+		FilterPlatform: []string{"MAC_OS"},
+	})
+	if err != nil {
+		return err
+	}
+	var versionID string
+findVersion:
+	for _, version := range versions.Data {
+		switch *version.Attributes.AppStoreState {
+		case asc.AppStoreVersionStateReadyForSale,
+			asc.AppStoreVersionStatePendingDeveloperRelease:
+			versionID = version.ID
+			break findVersion
+		}
+	}
+	if versionID == "" {
+		return E.New("no version found")
+	}
+	latestBuild, _, err := client.Builds.GetBuildForAppStoreVersion(ctx, versionID, &asc.GetBuildForAppStoreVersionQuery{})
+	if err != nil {
+		return err
+	}
+	versionInt, err := strconv.Atoi(*latestBuild.Data.Attributes.Version)
+	if err != nil {
+		return E.Cause(err, "parse version code")
+	}
+	os.Stdout.WriteString(F.ToString(versionInt+1, "\n"))
+	return nil
+}
+
+func publishTestflight(ctx context.Context) error {
+	tagVersion, err := build_shared.ReadTagVersion()
+	if err != nil {
+		return err
+	}
+	tag := tagVersion.VersionString()
+	client := createClient(10 * time.Minute)
+
+	log.Info(tag, " list build IDs")
+	buildIDsResponse, _, err := client.TestFlight.ListBuildIDsForBetaGroup(ctx, groupID, nil)
+	if err != nil {
+		return err
+	}
+	buildIDs := common.Map(buildIDsResponse.Data, func(it asc.RelationshipData) string {
+		return it.ID
+	})
+	var platforms []asc.Platform
+	if len(os.Args) == 3 {
+		switch os.Args[2] {
+		case "ios":
+			platforms = []asc.Platform{asc.PlatformIOS}
+		case "macos":
+			platforms = []asc.Platform{asc.PlatformMACOS}
+		case "tvos":
+			platforms = []asc.Platform{asc.PlatformTVOS}
+		default:
+			return E.New("unknown platform: ", os.Args[2])
+		}
+	} else {
+		platforms = []asc.Platform{
+			asc.PlatformIOS,
+			asc.PlatformMACOS,
+			asc.PlatformTVOS,
+		}
+	}
+	for _, platform := range platforms {
+		log.Info(string(platform), " list builds")
+		for {
+			builds, _, err := client.Builds.ListBuilds(ctx, &asc.ListBuildsQuery{
+				FilterApp:                       []string{appID},
+				FilterPreReleaseVersionPlatform: []string{string(platform)},
+			})
+			if err != nil {
+				return err
+			}
+			build := builds.Data[0]
+			if common.Contains(buildIDs, build.ID) || time.Since(build.Attributes.UploadedDate.Time) > 5*time.Minute {
+				log.Info(string(platform), " ", tag, " waiting for process")
+				time.Sleep(15 * time.Second)
+				continue
+			}
+			if *build.Attributes.ProcessingState != "VALID" {
+				log.Info(string(platform), " ", tag, " waiting for process: ", *build.Attributes.ProcessingState)
+				time.Sleep(15 * time.Second)
+				continue
+			}
+			log.Info(string(platform), " ", tag, " list localizations")
+			localizations, _, err := client.TestFlight.ListBetaBuildLocalizationsForBuild(ctx, build.ID, nil)
+			if err != nil {
+				return err
+			}
+			localization := common.Find(localizations.Data, func(it asc.BetaBuildLocalization) bool {
+				return *it.Attributes.Locale == "en-US"
+			})
+			if localization.ID == "" {
+				log.Fatal(string(platform), " ", tag, " no en-US localization found")
+			}
+			if localization.Attributes == nil || localization.Attributes.WhatsNew == nil || *localization.Attributes.WhatsNew == "" {
+				log.Info(string(platform), " ", tag, " update localization")
+				_, _, err = client.TestFlight.UpdateBetaBuildLocalization(ctx, localization.ID, common.Ptr(
+					F.ToString("sing-box ", tagVersion.String()),
+				))
+				if err != nil {
+					return err
+				}
+			}
+			log.Info(string(platform), " ", tag, " publish")
+			response, err := client.TestFlight.AddBuildsToBetaGroup(ctx, groupID, []string{build.ID})
+			if response != nil && response.StatusCode == http.StatusUnprocessableEntity {
+				log.Info("waiting for process")
+				time.Sleep(15 * time.Second)
+				continue
+			} else if err != nil {
+				return err
+			}
+			log.Info(string(platform), " ", tag, " list submissions")
+			betaSubmissions, _, err := client.TestFlight.ListBetaAppReviewSubmissions(ctx, &asc.ListBetaAppReviewSubmissionsQuery{
+				FilterBuild: []string{build.ID},
+			})
+			if err != nil {
+				return err
+			}
+			if len(betaSubmissions.Data) == 0 {
+				log.Info(string(platform), " ", tag, " create submission")
+				_, _, err = client.TestFlight.CreateBetaAppReviewSubmission(ctx, build.ID)
+				if err != nil {
+					return err
+				}
+			}
+			break
+		}
+	}
+	return nil
+}
+
+func cancelAppStore(ctx context.Context, platform string) error {
+	switch platform {
+	case "ios":
+		platform = string(asc.PlatformIOS)
+	case "macos":
+		platform = string(asc.PlatformMACOS)
+	case "tvos":
+		platform = string(asc.PlatformTVOS)
+	}
+	tag, err := build_shared.ReadTag()
+	if err != nil {
+		return err
+	}
+	client := createClient(time.Minute)
+	for {
+		log.Info(platform, " list versions")
+		versions, response, err := client.Apps.ListAppStoreVersionsForApp(ctx, appID, &asc.ListAppStoreVersionsQuery{
+			FilterPlatform: []string{string(platform)},
+		})
+		if isRetryable(response) {
+			continue
+		} else if err != nil {
+			return err
+		}
+		version := common.Find(versions.Data, func(it asc.AppStoreVersion) bool {
+			return *it.Attributes.VersionString == tag
+		})
+		if version.ID == "" {
+			return nil
+		}
+		log.Info(platform, " ", tag, " get submission")
+		submission, response, err := client.Submission.GetAppStoreVersionSubmissionForAppStoreVersion(ctx, version.ID, nil)
+		if response != nil && response.StatusCode == http.StatusNotFound {
+			return nil
+		}
+		if isRetryable(response) {
+			continue
+		} else if err != nil {
+			return err
+		}
+		log.Info(platform, " ", tag, " delete submission")
+		_, err = client.Submission.DeleteSubmission(ctx, submission.Data.ID)
+		if err != nil {
+			return err
+		}
+		return nil
+	}
+}
+
+func prepareAppStore(ctx context.Context) error {
+	tag, err := build_shared.ReadTag()
+	if err != nil {
+		return err
+	}
+	client := createClient(time.Minute)
+	for _, platform := range []asc.Platform{
+		asc.PlatformIOS,
+		asc.PlatformMACOS,
+		asc.PlatformTVOS,
+	} {
+		log.Info(string(platform), " list versions")
+		versions, _, err := client.Apps.ListAppStoreVersionsForApp(ctx, appID, &asc.ListAppStoreVersionsQuery{
+			FilterPlatform: []string{string(platform)},
+		})
+		if err != nil {
+			return err
+		}
+		version := common.Find(versions.Data, func(it asc.AppStoreVersion) bool {
+			return *it.Attributes.VersionString == tag
+		})
+		log.Info(string(platform), " ", tag, " list builds")
+		builds, _, err := client.Builds.ListBuilds(ctx, &asc.ListBuildsQuery{
+			FilterApp:                       []string{appID},
+			FilterPreReleaseVersionPlatform: []string{string(platform)},
+		})
+		if err != nil {
+			return err
+		}
+		if len(builds.Data) == 0 {
+			log.Fatal(platform, " ", tag, " no build found")
+		}
+		buildID := common.Ptr(builds.Data[0].ID)
+		if version.ID == "" {
+			log.Info(string(platform), " ", tag, " create version")
+			newVersion, _, err := client.Apps.CreateAppStoreVersion(ctx, asc.AppStoreVersionCreateRequestAttributes{
+				Platform:      platform,
+				VersionString: tag,
+			}, appID, buildID)
+			if err != nil {
+				return err
+			}
+			version = newVersion.Data
+
+		} else {
+			log.Info(string(platform), " ", tag, " check build")
+			currentBuild, response, err := client.Apps.GetBuildIDForAppStoreVersion(ctx, version.ID)
+			if err != nil {
+				return err
+			}
+			if response.StatusCode != http.StatusOK || currentBuild.Data.ID != *buildID {
+				switch *version.Attributes.AppStoreState {
+				case asc.AppStoreVersionStatePrepareForSubmission,
+					asc.AppStoreVersionStateRejected,
+					asc.AppStoreVersionStateDeveloperRejected:
+				case asc.AppStoreVersionStateWaitingForReview,
+					asc.AppStoreVersionStateInReview,
+					asc.AppStoreVersionStatePendingDeveloperRelease:
+					submission, _, err := client.Submission.GetAppStoreVersionSubmissionForAppStoreVersion(ctx, version.ID, nil)
+					if err != nil {
+						return err
+					}
+					if submission != nil {
+						log.Info(string(platform), " ", tag, " delete submission")
+						_, err = client.Submission.DeleteSubmission(ctx, submission.Data.ID)
+						if err != nil {
+							return err
+						}
+						time.Sleep(5 * time.Second)
+					}
+				default:
+					log.Fatal(string(platform), " ", tag, " unknown state ", string(*version.Attributes.AppStoreState))
+				}
+				log.Info(string(platform), " ", tag, " update build")
+				response, err = client.Apps.UpdateBuildForAppStoreVersion(ctx, version.ID, buildID)
+				if err != nil {
+					return err
+				}
+				if response.StatusCode != http.StatusNoContent {
+					response.Write(os.Stderr)
+					log.Fatal(string(platform), " ", tag, " unexpected response: ", response.Status)
+				}
+			} else {
+				switch *version.Attributes.AppStoreState {
+				case asc.AppStoreVersionStatePrepareForSubmission,
+					asc.AppStoreVersionStateRejected,
+					asc.AppStoreVersionStateDeveloperRejected:
+				case asc.AppStoreVersionStateWaitingForReview,
+					asc.AppStoreVersionStateInReview,
+					asc.AppStoreVersionStatePendingDeveloperRelease:
+					continue
+				default:
+					log.Fatal(string(platform), " ", tag, " unknown state ", string(*version.Attributes.AppStoreState))
+				}
+			}
+		}
+		log.Info(string(platform), " ", tag, " list localization")
+		localizations, _, err := client.Apps.ListLocalizationsForAppStoreVersion(ctx, version.ID, nil)
+		if err != nil {
+			return err
+		}
+		localization := common.Find(localizations.Data, func(it asc.AppStoreVersionLocalization) bool {
+			return *it.Attributes.Locale == "en-US"
+		})
+		if localization.ID == "" {
+			log.Info(string(platform), " ", tag, " no en-US localization found")
+		}
+		if localization.Attributes == nil || localization.Attributes.WhatsNew == nil || *localization.Attributes.WhatsNew == "" {
+			log.Info(string(platform), " ", tag, " update localization")
+			_, _, err = client.Apps.UpdateAppStoreVersionLocalization(ctx, localization.ID, &asc.AppStoreVersionLocalizationUpdateRequestAttributes{
+				PromotionalText: common.Ptr("Yet another distribution for sing-box, the universal proxy platform."),
+				WhatsNew:        common.Ptr(F.ToString("sing-box ", tag, ": Fixes and improvements.")),
+			})
+			if err != nil {
+				return err
+			}
+		}
+		log.Info(string(platform), " ", tag, " create submission")
+	fixSubmit:
+		for {
+			_, response, err := client.Submission.CreateSubmission(ctx, version.ID)
+			if err != nil {
+				switch response.StatusCode {
+				case http.StatusInternalServerError:
+					continue
+				default:
+					return err
+				}
+			}
+			switch response.StatusCode {
+			case http.StatusCreated:
+				break fixSubmit
+			default:
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func publishAppStore(ctx context.Context) error {
+	tag, err := build_shared.ReadTag()
+	if err != nil {
+		return err
+	}
+	client := createClient(time.Minute)
+	for _, platform := range []asc.Platform{
+		asc.PlatformIOS,
+		asc.PlatformMACOS,
+		asc.PlatformTVOS,
+	} {
+		log.Info(string(platform), " list versions")
+		versions, _, err := client.Apps.ListAppStoreVersionsForApp(ctx, appID, &asc.ListAppStoreVersionsQuery{
+			FilterPlatform: []string{string(platform)},
+		})
+		if err != nil {
+			return err
+		}
+		version := common.Find(versions.Data, func(it asc.AppStoreVersion) bool {
+			return *it.Attributes.VersionString == tag
+		})
+		switch *version.Attributes.AppStoreState {
+		case asc.AppStoreVersionStatePrepareForSubmission, asc.AppStoreVersionStateDeveloperRejected:
+			log.Fatal(string(platform), " ", tag, " not submitted")
+		case asc.AppStoreVersionStateWaitingForReview,
+			asc.AppStoreVersionStateInReview:
+			log.Warn(string(platform), " ", tag, " waiting for review")
+			continue
+		case asc.AppStoreVersionStatePendingDeveloperRelease:
+		default:
+			log.Fatal(string(platform), " ", tag, " unknown state ", string(*version.Attributes.AppStoreState))
+		}
+		_, _, err = client.Publishing.CreatePhasedRelease(ctx, common.Ptr(asc.PhasedReleaseStateComplete), version.ID)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func isRetryable(response *asc.Response) bool {
+	if response == nil {
+		return false
+	}
+	switch response.StatusCode {
+	case http.StatusInternalServerError, http.StatusUnprocessableEntity:
+		return true
+	default:
+		return false
+	}
+}

cmd/internal/build_libbox/main.go

@@ -10,17 +10,21 @@ import (
 	_ "github.com/sagernet/gomobile"
 	"github.com/sagernet/sing-box/cmd/internal/build_shared"
 	"github.com/sagernet/sing-box/log"
+	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/rw"
+	"github.com/sagernet/sing/common/shell"
 )
 
 var (
 	debugEnabled bool
 	target       string
+	platform     string
 )
 
 func init() {
 	flag.BoolVar(&debugEnabled, "debug", false, "enable debug")
 	flag.StringVar(&target, "target", "android", "target platform")
+	flag.StringVar(&platform, "platform", "", "specify platform")
 }
 
 func main() {
@@ -31,8 +35,8 @@ func main() {
 	switch target {
 	case "android":
 		buildAndroid()
-	case "ios":
+	case "apple":
-		buildiOS()
+		buildApple()
 	}
 }
 
@@ -51,10 +55,10 @@ func init() {
 	if err != nil {
 		currentTag = "unknown"
 	}
-	sharedFlags = append(sharedFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -s -w -buildid=")
+	sharedFlags = append(sharedFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -s -w -buildid= -checklinkname=0")
 	debugFlags = append(debugFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag)
 
-	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_ech", "with_utls", "with_clash_api")
+	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")
 }
@@ -62,9 +66,35 @@ func init() {
 func buildAndroid() {
 	build_shared.FindSDK()
 
+	var javaPath string
+	javaHome := os.Getenv("JAVA_HOME")
+	if javaHome == "" {
+		javaPath = "java"
+	} else {
+		javaPath = filepath.Join(javaHome, "bin", "java")
+	}
+
+	javaVersion, err := shell.Exec(javaPath, "--version").ReadOutput()
+	if err != nil {
+		log.Fatal(E.Cause(err, "check java version"))
+	}
+	if !strings.Contains(javaVersion, "openjdk 17") {
+		log.Fatal("java version should be openjdk 17")
+	}
+
+	var bindTarget string
+	if platform != "" {
+		bindTarget = platform
+	} else if debugEnabled {
+		bindTarget = "android/arm64"
+	} else {
+		bindTarget = "android"
+	}
+
 	args := []string{
 		"bind",
 		"-v",
+		"-target", bindTarget,
 		"-androidapi", "21",
 		"-javapkg=io.nekohasekai",
 		"-libname=box",
@@ -86,7 +116,7 @@ func buildAndroid() {
 	command := exec.Command(build_shared.GoBinPath+"/gomobile", args...)
 	command.Stdout = os.Stdout
 	command.Stderr = os.Stderr
-	err := command.Run()
+	err = command.Run()
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -103,11 +133,20 @@ func buildAndroid() {
 	}
 }
 
-func buildiOS() {
+func buildApple() {
+	var bindTarget string
+	if platform != "" {
+		bindTarget = platform
+	} else if debugEnabled {
+		bindTarget = "ios"
+	} else {
+		bindTarget = "ios,tvos,macos"
+	}
+
 	args := []string{
 		"bind",
 		"-v",
-		"-target", "ios,iossimulator,tvos,tvossimulator,macos",
+		"-target", bindTarget,
 		"-libname=box",
 	}
 	if !debugEnabled {

cmd/internal/build_shared/sdk.go

@@ -11,9 +11,7 @@ import (
 
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing/common"
-	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/rw"
-	"github.com/sagernet/sing/common/shell"
 )
 
 var (
@@ -42,14 +40,6 @@ func FindSDK() {
 		log.Fatal("android NDK not found")
 	}
 
-	javaVersion, err := shell.Exec("java", "--version").ReadOutput()
-	if err != nil {
-		log.Fatal(E.Cause(err, "check java version"))
-	}
-	if !strings.Contains(javaVersion, "openjdk 17") {
-		log.Fatal("java version should be openjdk 17")
-	}
-
 	os.Setenv("ANDROID_HOME", androidSDKPath)
 	os.Setenv("ANDROID_SDK_HOME", androidSDKPath)
 	os.Setenv("ANDROID_NDK_HOME", androidNDKPath)
@@ -58,12 +48,16 @@ func FindSDK() {
 }
 
 func findNDK() bool {
-	const fixedVersion = "27.2.12479018"
+	const fixedVersion = "28.0.12674087"
 	const versionFile = "source.properties"
 	if fixedPath := filepath.Join(androidSDKPath, "ndk", fixedVersion); rw.IsFile(filepath.Join(fixedPath, versionFile)) {
 		androidNDKPath = fixedPath
 		return true
 	}
+	if ndkHomeEnv := os.Getenv("ANDROID_NDK_HOME"); rw.IsFile(filepath.Join(ndkHomeEnv, versionFile)) {
+		androidNDKPath = ndkHomeEnv
+		return true
+	}
 	ndkVersions, err := os.ReadDir(filepath.Join(androidSDKPath, "ndk"))
 	if err != nil {
 		return false

cmd/internal/build_shared/tag.go

@@ -20,6 +20,11 @@ func ReadTag() (string, error) {
 	return version.String() + "-" + shortCommit, nil
 }
 
+func ReadTagVersionRev() (badversion.Version, error) {
+	currentTagRev := common.Must1(shell.Exec("git", "describe", "--tags", "--abbrev=0").ReadOutput())
+	return badversion.Parse(currentTagRev[1:]), nil
+}
+
 func ReadTagVersion() (badversion.Version, error) {
 	currentTag := common.Must1(shell.Exec("git", "describe", "--tags").ReadOutput())
 	currentTagRev := common.Must1(shell.Exec("git", "describe", "--tags", "--abbrev=0").ReadOutput())

cmd/internal/read_tag/main.go

@@ -1,21 +1,62 @@
 package main
 
 import (
+	"flag"
 	"os"
 
 	"github.com/sagernet/sing-box/cmd/internal/build_shared"
 	"github.com/sagernet/sing-box/log"
 )
 
+var nightly bool
+
+func init() {
+	flag.BoolVar(&nightly, "nightly", false, "Print nightly tag")
+}
+
 func main() {
-	currentTag, err := build_shared.ReadTag()
+	flag.Parse()
+	if nightly {
+		version, err := build_shared.ReadTagVersionRev()
 		if err != nil {
-		log.Error(err)
+			log.Fatal(err)
-		_, err = os.Stdout.WriteString("unknown\n")
-	} else {
-		_, err = os.Stdout.WriteString(currentTag + "\n")
 		}
+		var versionStr string
+		if version.PreReleaseIdentifier != "" {
+			versionStr = version.VersionString() + "-nightly"
+		} else {
+			version.Patch++
+			versionStr = version.VersionString() + "-nightly"
+		}
+		err = setGitHubEnv("version", versionStr)
+		if err != nil {
+			log.Fatal(err)
+		}
+	} else {
+		tag, err := build_shared.ReadTag()
 		if err != nil {
 			log.Error(err)
+			os.Stdout.WriteString("unknown\n")
+		} else {
+			os.Stdout.WriteString(tag + "\n")
+		}
 	}
 }
+
+func setGitHubEnv(name string, value string) error {
+	outputFile, err := os.OpenFile(os.Getenv("GITHUB_ENV"), os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o644)
+	if err != nil {
+		return err
+	}
+	_, err = outputFile.WriteString(name + "=" + value + "\n")
+	if err != nil {
+		outputFile.Close()
+		return err
+	}
+	err = outputFile.Close()
+	if err != nil {
+		return err
+	}
+	os.Stderr.WriteString(name + "=" + value + "\n")
+	return nil
+}

cmd/internal/update_android_version/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"flag"
 	"os"
 	"path/filepath"
 	"runtime"
@@ -12,9 +13,22 @@ import (
 	"github.com/sagernet/sing/common"
 )
 
+var flagRunInCI bool
+
+func init() {
+	flag.BoolVar(&flagRunInCI, "ci", false, "Run in CI")
+}
+
 func main() {
-	newVersion := common.Must1(build_shared.ReadTagVersion())
+	flag.Parse()
-	androidPath, err := filepath.Abs("../sing-box-for-android")
+	newVersion := common.Must1(build_shared.ReadTag())
+	var androidPath string
+	if flagRunInCI {
+		androidPath = "clients/android"
+	} else {
+		androidPath = "../sing-box-for-android"
+	}
+	androidPath, err := filepath.Abs(androidPath)
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -31,10 +45,10 @@ func main() {
 	for _, propPair := range propsList {
 		switch propPair[0] {
 		case "VERSION_NAME":
-			if propPair[1] != newVersion.String() {
+			if propPair[1] != newVersion {
 				versionUpdated = true
-				propPair[1] = newVersion.String()
+				propPair[1] = newVersion
-				log.Info("updated version to ", newVersion.String())
+				log.Info("updated version to ", newVersion)
 			}
 		case "GO_VERSION":
 			if propPair[1] != runtime.Version() {

cmd/internal/update_apple_version/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"flag"
 	"os"
 	"path/filepath"
 	"regexp"
@@ -13,9 +14,22 @@ import (
 	"howett.net/plist"
 )
 
+var flagRunInCI bool
+
+func init() {
+	flag.BoolVar(&flagRunInCI, "ci", false, "Run in CI")
+}
+
 func main() {
+	flag.Parse()
 	newVersion := common.Must1(build_shared.ReadTagVersion())
-	applePath, err := filepath.Abs("../sing-box-for-apple")
+	var applePath string
+	if flagRunInCI {
+		applePath = "clients/apple"
+	} else {
+		applePath = "../sing-box-for-apple"
+	}
+	applePath, err := filepath.Abs(applePath)
 	if err != nil {
 		log.Fatal(err)
 	}

cmd/sing-box/cmd.go

@@ -68,6 +68,6 @@ func preRun(cmd *cobra.Command, args []string) {
 	if len(configPaths) == 0 && len(configDirectories) == 0 {
 		configPaths = append(configPaths, "config.json")
 	}
-	globalCtx = service.ContextWith(globalCtx, deprecated.NewEnvManager(log.StdLogger()))
+	globalCtx = service.ContextWith(globalCtx, deprecated.NewStderrManager(log.StdLogger()))
-	globalCtx = box.Context(globalCtx, include.InboundRegistry(), include.OutboundRegistry())
+	globalCtx = box.Context(globalCtx, include.InboundRegistry(), include.OutboundRegistry(), include.EndpointRegistry(), include.DNSTransportRegistry())
 }

cmd/sing-box/cmd_check.go

@@ -30,7 +30,7 @@ func check() error {
 	if err != nil {
 		return err
 	}
-	ctx, cancel := context.WithCancel(context.Background())
+	ctx, cancel := context.WithCancel(globalCtx)
 	instance, err := box.New(box.Options{
 		Context: ctx,
 		Options: options,

cmd/sing-box/cmd_format.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"bytes"
-	"context"
 	"os"
 	"path/filepath"
 
@@ -39,7 +38,7 @@ func format() error {
 		return err
 	}
 	for _, optionsEntry := range optionsList {
-		optionsEntry.options, err = badjson.Omitempty(context.TODO(), optionsEntry.options)
+		optionsEntry.options, err = badjson.Omitempty(globalCtx, optionsEntry.options)
 		if err != nil {
 			return err
 		}

cmd/sing-box/cmd_merge.go

@@ -18,7 +18,7 @@ import (
 )
 
 var commandMerge = &cobra.Command{
-	Use:   "merge <output>",
+	Use:   "merge <output-path>",
 	Short: "Merge configurations",
 	Run: func(cmd *cobra.Command, args []string) {
 		err := merge(args[0])

cmd/sing-box/cmd_rule_set_compile.go

@@ -6,7 +6,6 @@ import (
 	"strings"
 
 	"github.com/sagernet/sing-box/common/srs"
-	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing/common/json"
@@ -56,10 +55,6 @@ func compileRuleSet(sourcePath string) error {
 	if err != nil {
 		return err
 	}
-	ruleSet, err := plainRuleSet.Upgrade()
-	if err != nil {
-		return err
-	}
 	var outputPath string
 	if flagRuleSetCompileOutput == flagRuleSetCompileDefaultOutput {
 		if strings.HasSuffix(sourcePath, ".json") {
@@ -74,7 +69,7 @@ func compileRuleSet(sourcePath string) error {
 	if err != nil {
 		return err
 	}
-	err = srs.Write(outputFile, ruleSet, plainRuleSet.Version == C.RuleSetVersion2)
+	err = srs.Write(outputFile, plainRuleSet.Options, plainRuleSet.Version)
 	if err != nil {
 		outputFile.Close()
 		os.Remove(outputPath)

cmd/sing-box/cmd_rule_set_convert.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/sagernet/sing-box/cmd/sing-box/internal/convertor/adguard"
 	"github.com/sagernet/sing-box/common/srs"
+	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
@@ -77,7 +78,7 @@ func convertRuleSet(sourcePath string) error {
 		return err
 	}
 	defer outputFile.Close()
-	err = srs.Write(outputFile, option.PlainRuleSet{Rules: rules}, true)
+	err = srs.Write(outputFile, option.PlainRuleSet{Rules: rules}, C.RuleSetVersion2)
 	if err != nil {
 		outputFile.Close()
 		os.Remove(outputPath)

cmd/sing-box/cmd_rule_set_decompile.go

@@ -6,9 +6,7 @@ import (
 	"strings"
 
 	"github.com/sagernet/sing-box/common/srs"
-	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing/common/json"
 
 	"github.com/spf13/cobra"
@@ -48,14 +46,10 @@ func decompileRuleSet(sourcePath string) error {
 			return err
 		}
 	}
-	plainRuleSet, err := srs.Read(reader, true)
+	ruleSet, err := srs.Read(reader, true)
 	if err != nil {
 		return err
 	}
-	ruleSet := option.PlainRuleSetCompat{
-		Version: C.RuleSetVersion1,
-		Options: plainRuleSet,
-	}
 	var outputPath string
 	if flagRuleSetDecompileOutput == flagRuleSetDecompileDefaultOutput {
 		if strings.HasSuffix(sourcePath, ".srs") {

cmd/sing-box/cmd_rule_set_match.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"bytes"
+	"context"
 	"io"
 	"os"
 
@@ -55,26 +56,25 @@ func ruleSetMatch(sourcePath string, domain string) error {
 	if err != nil {
 		return E.Cause(err, "read rule-set")
 	}
-	var plainRuleSet option.PlainRuleSet
+	var ruleSet option.PlainRuleSetCompat
 	switch flagRuleSetMatchFormat {
 	case C.RuleSetFormatSource:
-		var compat option.PlainRuleSetCompat
+		ruleSet, err = json.UnmarshalExtended[option.PlainRuleSetCompat](content)
-		compat, err = json.UnmarshalExtended[option.PlainRuleSetCompat](content)
-		if err != nil {
-			return err
-		}
-		plainRuleSet, err = compat.Upgrade()
 		if err != nil {
 			return err
 		}
 	case C.RuleSetFormatBinary:
-		plainRuleSet, err = srs.Read(bytes.NewReader(content), false)
+		ruleSet, err = srs.Read(bytes.NewReader(content), false)
 		if err != nil {
 			return err
 		}
 	default:
 		return E.New("unknown rule-set format: ", flagRuleSetMatchFormat)
 	}
+	plainRuleSet, err := ruleSet.Upgrade()
+	if err != nil {
+		return err
+	}
 	ipAddress := M.ParseAddr(domain)
 	var metadata adapter.InboundContext
 	if ipAddress.IsValid() {
@@ -84,7 +84,7 @@ func ruleSetMatch(sourcePath string, domain string) error {
 	}
 	for i, ruleOptions := range plainRuleSet.Rules {
 		var currentRule adapter.HeadlessRule
-		currentRule, err = rule.NewHeadlessRule(nil, ruleOptions)
+		currentRule, err = rule.NewHeadlessRule(context.Background(), ruleOptions)
 		if err != nil {
 			return E.Cause(err, "parse rule_set.rules.[", i, "]")
 		}

cmd/sing-box/cmd_rule_set_merge.go

@@ -0,0 +1,162 @@
+package main
+
+import (
+	"bytes"
+	"io"
+	"os"
+	"path/filepath"
+	"sort"
+	"strings"
+
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/json"
+	"github.com/sagernet/sing/common/json/badjson"
+	"github.com/sagernet/sing/common/rw"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	ruleSetPaths       []string
+	ruleSetDirectories []string
+)
+
+var commandRuleSetMerge = &cobra.Command{
+	Use:   "merge <output-path>",
+	Short: "Merge rule-set source files",
+	Run: func(cmd *cobra.Command, args []string) {
+		err := mergeRuleSet(args[0])
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+	Args: cobra.ExactArgs(1),
+}
+
+func init() {
+	commandRuleSetMerge.Flags().StringArrayVarP(&ruleSetPaths, "config", "c", nil, "set input rule-set file path")
+	commandRuleSetMerge.Flags().StringArrayVarP(&ruleSetDirectories, "config-directory", "C", nil, "set input rule-set directory path")
+	commandRuleSet.AddCommand(commandRuleSetMerge)
+}
+
+type RuleSetEntry struct {
+	content []byte
+	path    string
+	options option.PlainRuleSetCompat
+}
+
+func readRuleSetAt(path string) (*RuleSetEntry, error) {
+	var (
+		configContent []byte
+		err           error
+	)
+	if path == "stdin" {
+		configContent, err = io.ReadAll(os.Stdin)
+	} else {
+		configContent, err = os.ReadFile(path)
+	}
+	if err != nil {
+		return nil, E.Cause(err, "read config at ", path)
+	}
+	options, err := json.UnmarshalExtendedContext[option.PlainRuleSetCompat](globalCtx, configContent)
+	if err != nil {
+		return nil, E.Cause(err, "decode config at ", path)
+	}
+	return &RuleSetEntry{
+		content: configContent,
+		path:    path,
+		options: options,
+	}, nil
+}
+
+func readRuleSet() ([]*RuleSetEntry, error) {
+	var optionsList []*RuleSetEntry
+	for _, path := range ruleSetPaths {
+		optionsEntry, err := readRuleSetAt(path)
+		if err != nil {
+			return nil, err
+		}
+		optionsList = append(optionsList, optionsEntry)
+	}
+	for _, directory := range ruleSetDirectories {
+		entries, err := os.ReadDir(directory)
+		if err != nil {
+			return nil, E.Cause(err, "read rule-set directory at ", directory)
+		}
+		for _, entry := range entries {
+			if !strings.HasSuffix(entry.Name(), ".json") || entry.IsDir() {
+				continue
+			}
+			optionsEntry, err := readRuleSetAt(filepath.Join(directory, entry.Name()))
+			if err != nil {
+				return nil, err
+			}
+			optionsList = append(optionsList, optionsEntry)
+		}
+	}
+	sort.Slice(optionsList, func(i, j int) bool {
+		return optionsList[i].path < optionsList[j].path
+	})
+	return optionsList, nil
+}
+
+func readRuleSetAndMerge() (option.PlainRuleSetCompat, error) {
+	optionsList, err := readRuleSet()
+	if err != nil {
+		return option.PlainRuleSetCompat{}, err
+	}
+	if len(optionsList) == 1 {
+		return optionsList[0].options, nil
+	}
+	var optionVersion uint8
+	for _, options := range optionsList {
+		if optionVersion < options.options.Version {
+			optionVersion = options.options.Version
+		}
+	}
+	var mergedMessage json.RawMessage
+	for _, options := range optionsList {
+		mergedMessage, err = badjson.MergeJSON(globalCtx, options.options.RawMessage, mergedMessage, false)
+		if err != nil {
+			return option.PlainRuleSetCompat{}, E.Cause(err, "merge config at ", options.path)
+		}
+	}
+	mergedOptions, err := json.UnmarshalExtendedContext[option.PlainRuleSetCompat](globalCtx, mergedMessage)
+	if err != nil {
+		return option.PlainRuleSetCompat{}, E.Cause(err, "unmarshal merged config")
+	}
+	mergedOptions.Version = optionVersion
+	return mergedOptions, nil
+}
+
+func mergeRuleSet(outputPath string) error {
+	mergedOptions, err := readRuleSetAndMerge()
+	if err != nil {
+		return err
+	}
+	buffer := new(bytes.Buffer)
+	encoder := json.NewEncoder(buffer)
+	encoder.SetIndent("", "  ")
+	err = encoder.Encode(mergedOptions)
+	if err != nil {
+		return E.Cause(err, "encode config")
+	}
+	if existsContent, err := os.ReadFile(outputPath); err != nil {
+		if string(existsContent) == buffer.String() {
+			return nil
+		}
+	}
+	err = rw.MkdirParent(outputPath)
+	if err != nil {
+		return err
+	}
+	err = os.WriteFile(outputPath, buffer.Bytes(), 0o644)
+	if err != nil {
+		return err
+	}
+	outputPath, _ = filepath.Abs(outputPath)
+	os.Stderr.WriteString(outputPath + "\n")
+	return nil
+}

cmd/sing-box/cmd_tools.go

@@ -30,7 +30,7 @@ func createPreStartedClient() (*box.Box, error) {
 			return nil, err
 		}
 	}
-	instance, err := box.New(box.Options{Options: options})
+	instance, err := box.New(box.Options{Context: globalCtx, Options: options})
 	if err != nil {
 		return nil, E.Cause(err, "create service")
 	}
@@ -41,11 +41,11 @@ func createPreStartedClient() (*box.Box, error) {
 	return instance, nil
 }
 
-func createDialer(instance *box.Box, network string, outboundTag string) (N.Dialer, error) {
+func createDialer(instance *box.Box, outboundTag string) (N.Dialer, error) {
 	if outboundTag == "" {
-		return instance.Router().DefaultOutbound(N.NetworkName(network))
+		return instance.Outbound().Default(), nil
 	} else {
-		outbound, loaded := instance.Router().Outbound(outboundTag)
+		outbound, loaded := instance.Outbound().Outbound(outboundTag)
 		if !loaded {
 			return nil, E.New("outbound not found: ", outboundTag)
 		}

cmd/sing-box/cmd_tools_connect.go

@@ -45,7 +45,7 @@ func connect(address string) error {
 		return err
 	}
 	defer instance.Close()
-	dialer, err := createDialer(instance, commandConnectFlagNetwork, commandToolsFlagOutbound)
+	dialer, err := createDialer(instance, commandToolsFlagOutbound)
 	if err != nil {
 		return err
 	}

cmd/sing-box/cmd_tools_fetch.go

@@ -48,7 +48,7 @@ func fetch(args []string) error {
 	httpClient = &http.Client{
 		Transport: &http.Transport{
 			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
-				dialer, err := createDialer(instance, network, commandToolsFlagOutbound)
+				dialer, err := createDialer(instance, commandToolsFlagOutbound)
 				if err != nil {
 					return nil, err
 				}

cmd/sing-box/cmd_tools_fetch_http3.go

@@ -16,12 +16,12 @@ import (
 )
 
 func initializeHTTP3Client(instance *box.Box) error {
-	dialer, err := createDialer(instance, N.NetworkUDP, commandToolsFlagOutbound)
+	dialer, err := createDialer(instance, commandToolsFlagOutbound)
 	if err != nil {
 		return err
 	}
 	http3Client = &http.Client{
-		Transport: &http3.RoundTripper{
+		Transport: &http3.Transport{
 			Dial: func(ctx context.Context, addr string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
 				destination := M.ParseSocksaddr(addr)
 				udpConn, dErr := dialer.DialContext(ctx, N.NetworkUDP, destination)

cmd/sing-box/cmd_tools_synctime.go

@@ -4,12 +4,10 @@ import (
 	"context"
 	"os"
 
-	"github.com/sagernet/sing-box/common/settings"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
-	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/common/ntp"
 
 	"github.com/spf13/cobra"
@@ -45,7 +43,7 @@ func syncTime() error {
 	if err != nil {
 		return err
 	}
-	dialer, err := createDialer(instance, N.NetworkUDP, commandToolsFlagOutbound)
+	dialer, err := createDialer(instance, commandToolsFlagOutbound)
 	if err != nil {
 		return err
 	}
@@ -59,7 +57,7 @@ func syncTime() error {
 		return err
 	}
 	if commandSyncTimeWrite {
-		err = settings.SetSystemTime(response.Time)
+		err = ntp.SetSystemTime(response.Time)
 		if err != nil {
 			return E.Cause(err, "write time to system")
 		}

cmd/sing-box/internal/convertor/adguard/convertor_test.go

@@ -1,6 +1,7 @@
 package adguard
 
 import (
+	"context"
 	"strings"
 	"testing"
 
@@ -26,7 +27,7 @@ example.arpa
 `))
 	require.NoError(t, err)
 	require.Len(t, rules, 1)
-	rule, err := rule.NewHeadlessRule(nil, rules[0])
+	rule, err := rule.NewHeadlessRule(context.Background(), rules[0])
 	require.NoError(t, err)
 	matchDomain := []string{
 		"example.org",
@@ -85,7 +86,7 @@ func TestHosts(t *testing.T) {
 `))
 	require.NoError(t, err)
 	require.Len(t, rules, 1)
-	rule, err := rule.NewHeadlessRule(nil, rules[0])
+	rule, err := rule.NewHeadlessRule(context.Background(), rules[0])
 	require.NoError(t, err)
 	matchDomain := []string{
 		"google.com",
@@ -115,7 +116,7 @@ www.example.org
 `))
 	require.NoError(t, err)
 	require.Len(t, rules, 1)
-	rule, err := rule.NewHeadlessRule(nil, rules[0])
+	rule, err := rule.NewHeadlessRule(context.Background(), rules[0])
 	require.NoError(t, err)
 	matchDomain := []string{
 		"example.com",

common/dialer/default.go

@@ -2,20 +2,30 @@ package dialer
 
 import (
 	"context"
+	"errors"
 	"net"
+	"net/netip"
+	"syscall"
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/conntrack"
 	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/experimental/libbox/platform"
 	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/atomic"
 	"github.com/sagernet/sing/common/control"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
+	"github.com/sagernet/sing/service"
 )
 
-var _ WireGuardListener = (*DefaultDialer)(nil)
+var (
+	_ ParallelInterfaceDialer = (*DefaultDialer)(nil)
+	_ WireGuardListener       = (*DefaultDialer)(nil)
+)
 
 type DefaultDialer struct {
 	dialer4                tcpDialer
@@ -26,49 +36,98 @@ type DefaultDialer struct {
 	udpAddr4               string
 	udpAddr6               string
 	isWireGuardListener    bool
+	networkManager         adapter.NetworkManager
+	networkStrategy        *C.NetworkStrategy
+	defaultNetworkStrategy bool
+	networkType            []C.InterfaceType
+	fallbackNetworkType    []C.InterfaceType
+	networkFallbackDelay   time.Duration
+	networkLastFallback    atomic.TypedValue[time.Time]
 }
 
-func NewDefault(router adapter.Router, options option.DialerOptions) (*DefaultDialer, error) {
+func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDialer, error) {
-	var dialer net.Dialer
+	networkManager := service.FromContext[adapter.NetworkManager](ctx)
-	var listener net.ListenConfig
+	platformInterface := service.FromContext[platform.Interface](ctx)
-	if options.BindInterface != "" {
+
-		var interfaceFinder control.InterfaceFinder
+	var (
-		if router != nil {
+		dialer                 net.Dialer
-			interfaceFinder = router.InterfaceFinder()
+		listener               net.ListenConfig
+		interfaceFinder        control.InterfaceFinder
+		networkStrategy        *C.NetworkStrategy
+		defaultNetworkStrategy bool
+		networkType            []C.InterfaceType
+		fallbackNetworkType    []C.InterfaceType
+		networkFallbackDelay   time.Duration
+	)
+	if networkManager != nil {
+		interfaceFinder = networkManager.InterfaceFinder()
 	} else {
 		interfaceFinder = control.NewDefaultInterfaceFinder()
 	}
+	if options.BindInterface != "" {
 		bindFunc := control.BindToInterface(interfaceFinder, options.BindInterface, -1)
 		dialer.Control = control.Append(dialer.Control, bindFunc)
 		listener.Control = control.Append(listener.Control, bindFunc)
-	} else if router != nil && router.AutoDetectInterface() {
-		bindFunc := router.AutoDetectInterfaceFunc()
-		dialer.Control = control.Append(dialer.Control, bindFunc)
-		listener.Control = control.Append(listener.Control, bindFunc)
-	} else if router != nil && router.DefaultInterface() != "" {
-		bindFunc := control.BindToInterface(router.InterfaceFinder(), router.DefaultInterface(), -1)
-		dialer.Control = control.Append(dialer.Control, bindFunc)
-		listener.Control = control.Append(listener.Control, bindFunc)
 	}
-	var autoRedirectOutputMark uint32
+	if options.RoutingMark > 0 {
-	if router != nil {
+		dialer.Control = control.Append(dialer.Control, control.RoutingMark(uint32(options.RoutingMark)))
-		autoRedirectOutputMark = router.AutoRedirectOutputMark()
+		listener.Control = control.Append(listener.Control, control.RoutingMark(uint32(options.RoutingMark)))
 	}
+	if networkManager != nil {
+		autoRedirectOutputMark := networkManager.AutoRedirectOutputMark()
 		if autoRedirectOutputMark > 0 {
+			if options.RoutingMark > 0 {
+				return nil, E.New("`routing_mark` is conflict with `tun.auto_redirect` with `tun.route_[_exclude]_address_set")
+			}
 			dialer.Control = control.Append(dialer.Control, control.RoutingMark(autoRedirectOutputMark))
 			listener.Control = control.Append(listener.Control, control.RoutingMark(autoRedirectOutputMark))
 		}
-	if options.RoutingMark > 0 {
-		dialer.Control = control.Append(dialer.Control, control.RoutingMark(options.RoutingMark))
-		listener.Control = control.Append(listener.Control, control.RoutingMark(options.RoutingMark))
-		if autoRedirectOutputMark > 0 {
-			return nil, E.New("`auto_redirect` with `route_[_exclude]_address_set is conflict with `routing_mark`")
 	}
-	} else if router != nil && router.DefaultMark() > 0 {
+	disableDefaultBind := options.BindInterface != "" || options.Inet4BindAddress != nil || options.Inet6BindAddress != nil
-		dialer.Control = control.Append(dialer.Control, control.RoutingMark(router.DefaultMark()))
+	if disableDefaultBind || options.TCPFastOpen {
-		listener.Control = control.Append(listener.Control, control.RoutingMark(router.DefaultMark()))
+		if options.NetworkStrategy != nil || len(options.NetworkType) > 0 && options.FallbackNetworkType == nil && options.FallbackDelay == 0 {
-		if autoRedirectOutputMark > 0 {
+			return nil, E.New("`network_strategy` is conflict with `bind_interface`, `inet4_bind_address`, `inet6_bind_address` and `tcp_fast_open`")
-			return nil, E.New("`auto_redirect` with `route_[_exclude]_address_set is conflict with `default_mark`")
+		}
+	}
+
+	if networkManager != nil {
+		defaultOptions := networkManager.DefaultOptions()
+		if !disableDefaultBind {
+			if defaultOptions.BindInterface != "" {
+				bindFunc := control.BindToInterface(networkManager.InterfaceFinder(), defaultOptions.BindInterface, -1)
+				dialer.Control = control.Append(dialer.Control, bindFunc)
+				listener.Control = control.Append(listener.Control, bindFunc)
+			} else if networkManager.AutoDetectInterface() {
+				if platformInterface != nil {
+					networkStrategy = (*C.NetworkStrategy)(options.NetworkStrategy)
+					if networkStrategy == nil {
+						networkStrategy = common.Ptr(C.NetworkStrategyDefault)
+						defaultNetworkStrategy = true
+					}
+					networkType = common.Map(options.NetworkType, option.InterfaceType.Build)
+					fallbackNetworkType = common.Map(options.FallbackNetworkType, option.InterfaceType.Build)
+					if networkStrategy == nil && len(networkType) == 0 && len(fallbackNetworkType) == 0 {
+						networkStrategy = defaultOptions.NetworkStrategy
+						networkType = defaultOptions.NetworkType
+						fallbackNetworkType = defaultOptions.FallbackNetworkType
+					}
+					networkFallbackDelay = time.Duration(options.FallbackDelay)
+					if networkFallbackDelay == 0 && defaultOptions.FallbackDelay != 0 {
+						networkFallbackDelay = defaultOptions.FallbackDelay
+					}
+					bindFunc := networkManager.ProtectFunc()
+					dialer.Control = control.Append(dialer.Control, bindFunc)
+					listener.Control = control.Append(listener.Control, bindFunc)
+				} else {
+					bindFunc := networkManager.AutoDetectInterfaceFunc()
+					dialer.Control = control.Append(dialer.Control, bindFunc)
+					listener.Control = control.Append(listener.Control, bindFunc)
+				}
+			}
+		}
+		if options.RoutingMark == 0 && defaultOptions.RoutingMark != 0 {
+			dialer.Control = control.Append(dialer.Control, control.RoutingMark(defaultOptions.RoutingMark))
+			listener.Control = control.Append(listener.Control, control.RoutingMark(defaultOptions.RoutingMark))
 		}
 	}
 	if options.ReuseAddr {
@@ -102,7 +161,7 @@ func NewDefault(router adapter.Router, options option.DialerOptions) (*DefaultDi
 		udpAddr4   string
 	)
 	if options.Inet4BindAddress != nil {
-		bindAddr := options.Inet4BindAddress.Build()
+		bindAddr := options.Inet4BindAddress.Build(netip.IPv4Unspecified())
 		dialer4.LocalAddr = &net.TCPAddr{IP: bindAddr.AsSlice()}
 		udpDialer4.LocalAddr = &net.UDPAddr{IP: bindAddr.AsSlice()}
 		udpAddr4 = M.SocksaddrFrom(bindAddr, 0).String()
@@ -113,7 +172,7 @@ func NewDefault(router adapter.Router, options option.DialerOptions) (*DefaultDi
 		udpAddr6   string
 	)
 	if options.Inet6BindAddress != nil {
-		bindAddr := options.Inet6BindAddress.Build()
+		bindAddr := options.Inet6BindAddress.Build(netip.IPv6Unspecified())
 		dialer6.LocalAddr = &net.TCPAddr{IP: bindAddr.AsSlice()}
 		udpDialer6.LocalAddr = &net.UDPAddr{IP: bindAddr.AsSlice()}
 		udpAddr6 = M.SocksaddrFrom(bindAddr, 0).String()
@@ -138,14 +197,20 @@ func NewDefault(router adapter.Router, options option.DialerOptions) (*DefaultDi
 		return nil, err
 	}
 	return &DefaultDialer{
-		tcpDialer4,
+		dialer4:                tcpDialer4,
-		tcpDialer6,
+		dialer6:                tcpDialer6,
-		udpDialer4,
+		udpDialer4:             udpDialer4,
-		udpDialer6,
+		udpDialer6:             udpDialer6,
-		listener,
+		udpListener:            listener,
-		udpAddr4,
+		udpAddr4:               udpAddr4,
-		udpAddr6,
+		udpAddr6:               udpAddr6,
-		options.IsWireGuardListener,
+		isWireGuardListener:    options.IsWireGuardListener,
+		networkManager:         networkManager,
+		networkStrategy:        networkStrategy,
+		defaultNetworkStrategy: defaultNetworkStrategy,
+		networkType:            networkType,
+		fallbackNetworkType:    fallbackNetworkType,
+		networkFallbackDelay:   networkFallbackDelay,
 	}, nil
 }
 
@@ -153,6 +218,7 @@ func (d *DefaultDialer) DialContext(ctx context.Context, network string, address
 	if !address.IsValid() {
 		return nil, E.New("invalid address")
 	}
+	if d.networkStrategy == nil {
 		switch N.NetworkName(network) {
 		case N.NetworkUDP:
 			if !address.IsIPv6() {
@@ -166,9 +232,61 @@ func (d *DefaultDialer) DialContext(ctx context.Context, network string, address
 		} else {
 			return trackConn(DialSlowContext(&d.dialer6, ctx, network, address))
 		}
+	} else {
+		return d.DialParallelInterface(ctx, network, address, d.networkStrategy, d.networkType, d.fallbackNetworkType, d.networkFallbackDelay)
+	}
+}
+
+func (d *DefaultDialer) DialParallelInterface(ctx context.Context, network string, address M.Socksaddr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.Conn, error) {
+	if strategy == nil {
+		strategy = d.networkStrategy
+	}
+	if strategy == nil {
+		return d.DialContext(ctx, network, address)
+	}
+	if len(interfaceType) == 0 {
+		interfaceType = d.networkType
+	}
+	if len(fallbackInterfaceType) == 0 {
+		fallbackInterfaceType = d.fallbackNetworkType
+	}
+	if fallbackDelay == 0 {
+		fallbackDelay = d.networkFallbackDelay
+	}
+	var dialer net.Dialer
+	if N.NetworkName(network) == N.NetworkTCP {
+		dialer = dialerFromTCPDialer(d.dialer4)
+	} else {
+		dialer = d.udpDialer4
+	}
+	fastFallback := time.Now().Sub(d.networkLastFallback.Load()) < C.TCPTimeout
+	var (
+		conn      net.Conn
+		isPrimary bool
+		err       error
+	)
+	if !fastFallback {
+		conn, isPrimary, err = d.dialParallelInterface(ctx, dialer, network, address.String(), *strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+	} else {
+		conn, isPrimary, err = d.dialParallelInterfaceFastFallback(ctx, dialer, network, address.String(), *strategy, interfaceType, fallbackInterfaceType, fallbackDelay, d.networkLastFallback.Store)
+	}
+	if err != nil {
+		// bind interface failed on legacy xiaomi systems
+		if d.defaultNetworkStrategy && errors.Is(err, syscall.EPERM) {
+			d.networkStrategy = nil
+			return d.DialContext(ctx, network, address)
+		} else {
+			return nil, err
+		}
+	}
+	if !fastFallback && !isPrimary {
+		d.networkLastFallback.Store(time.Now())
+	}
+	return trackConn(conn, nil)
 }
 
 func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+	if d.networkStrategy == nil {
 		if destination.IsIPv6() {
 			return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr6))
 		} else if destination.IsIPv4() && !destination.Addr.IsUnspecified() {
@@ -176,10 +294,46 @@ func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksadd
 		} else {
 			return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr4))
 		}
+	} else {
+		return d.ListenSerialInterfacePacket(ctx, destination, d.networkStrategy, d.networkType, d.fallbackNetworkType, d.networkFallbackDelay)
+	}
+}
+
+func (d *DefaultDialer) ListenSerialInterfacePacket(ctx context.Context, destination M.Socksaddr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.PacketConn, error) {
+	if strategy == nil {
+		strategy = d.networkStrategy
+	}
+	if strategy == nil {
+		return d.ListenPacket(ctx, destination)
+	}
+	if len(interfaceType) == 0 {
+		interfaceType = d.networkType
+	}
+	if len(fallbackInterfaceType) == 0 {
+		fallbackInterfaceType = d.fallbackNetworkType
+	}
+	if fallbackDelay == 0 {
+		fallbackDelay = d.networkFallbackDelay
+	}
+	network := N.NetworkUDP
+	if destination.IsIPv4() && !destination.Addr.IsUnspecified() {
+		network += "4"
+	}
+	packetConn, err := d.listenSerialInterfacePacket(ctx, d.udpListener, network, "", *strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+	if err != nil {
+		// bind interface failed on legacy xiaomi systems
+		if d.defaultNetworkStrategy && errors.Is(err, syscall.EPERM) {
+			d.networkStrategy = nil
+			return d.ListenPacket(ctx, destination)
+		} else {
+			return nil, err
+		}
+	}
+	return trackPacketConn(packetConn, nil)
 }
 
 func (d *DefaultDialer) ListenPacketCompat(network, address string) (net.PacketConn, error) {
-	return trackPacketConn(d.udpListener.ListenPacket(context.Background(), network, address))
+	return d.udpListener.ListenPacket(context.Background(), network, address)
 }
 
 func trackConn(conn net.Conn, err error) (net.Conn, error) {

common/dialer/default_go1.20.go

@@ -13,3 +13,7 @@ type tcpDialer = tfo.Dialer
 func newTCPDialer(dialer net.Dialer, tfoEnabled bool) (tcpDialer, error) {
 	return tfo.Dialer{Dialer: dialer, DisableTFO: !tfoEnabled}, nil
 }
+
+func dialerFromTCPDialer(dialer tcpDialer) net.Dialer {
+	return dialer.Dialer
+}

common/dialer/default_nongo1.20.go

@@ -16,3 +16,7 @@ func newTCPDialer(dialer net.Dialer, tfoEnabled bool) (tcpDialer, error) {
 	}
 	return dialer, nil
 }
+
+func dialerFromTCPDialer(dialer tcpDialer) net.Dialer {
+	return dialer
+}

common/dialer/default_parallel_interface.go

@@ -0,0 +1,233 @@
+package dialer
+
+import (
+	"context"
+	"net"
+	"time"
+
+	"github.com/sagernet/sing-box/adapter"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/control"
+	E "github.com/sagernet/sing/common/exceptions"
+	N "github.com/sagernet/sing/common/network"
+)
+
+func (d *DefaultDialer) dialParallelInterface(ctx context.Context, dialer net.Dialer, network string, addr string, strategy C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.Conn, bool, error) {
+	primaryInterfaces, fallbackInterfaces := selectInterfaces(d.networkManager, strategy, interfaceType, fallbackInterfaceType)
+	if len(primaryInterfaces)+len(fallbackInterfaces) == 0 {
+		return nil, false, E.New("no available network interface")
+	}
+	if fallbackDelay == 0 {
+		fallbackDelay = N.DefaultFallbackDelay
+	}
+	returned := make(chan struct{})
+	defer close(returned)
+	type dialResult struct {
+		net.Conn
+		error
+		primary bool
+	}
+	results := make(chan dialResult) // unbuffered
+	startRacer := func(ctx context.Context, primary bool, iif adapter.NetworkInterface) {
+		perNetDialer := dialer
+		perNetDialer.Control = control.Append(perNetDialer.Control, control.BindToInterface(nil, iif.Name, iif.Index))
+		conn, err := perNetDialer.DialContext(ctx, network, addr)
+		if err != nil {
+			select {
+			case results <- dialResult{error: E.Cause(err, "dial ", iif.Name, " (", iif.Index, ")"), primary: primary}:
+			case <-returned:
+			}
+		} else {
+			select {
+			case results <- dialResult{Conn: conn, primary: primary}:
+			case <-returned:
+				conn.Close()
+			}
+		}
+	}
+	primaryCtx, primaryCancel := context.WithCancel(ctx)
+	defer primaryCancel()
+	for _, iif := range primaryInterfaces {
+		go startRacer(primaryCtx, true, iif)
+	}
+	var (
+		fallbackTimer *time.Timer
+		fallbackChan  <-chan time.Time
+	)
+	if len(fallbackInterfaces) > 0 {
+		fallbackTimer = time.NewTimer(fallbackDelay)
+		defer fallbackTimer.Stop()
+		fallbackChan = fallbackTimer.C
+	}
+	var errors []error
+	for {
+		select {
+		case <-fallbackChan:
+			fallbackCtx, fallbackCancel := context.WithCancel(ctx)
+			defer fallbackCancel()
+			for _, iif := range fallbackInterfaces {
+				go startRacer(fallbackCtx, false, iif)
+			}
+		case res := <-results:
+			if res.error == nil {
+				return res.Conn, res.primary, nil
+			}
+			errors = append(errors, res.error)
+			if len(errors) == len(primaryInterfaces)+len(fallbackInterfaces) {
+				return nil, false, E.Errors(errors...)
+			}
+			if res.primary && fallbackTimer != nil && fallbackTimer.Stop() {
+				fallbackTimer.Reset(0)
+			}
+		}
+	}
+}
+
+func (d *DefaultDialer) dialParallelInterfaceFastFallback(ctx context.Context, dialer net.Dialer, network string, addr string, strategy C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration, resetFastFallback func(time.Time)) (net.Conn, bool, error) {
+	primaryInterfaces, fallbackInterfaces := selectInterfaces(d.networkManager, strategy, interfaceType, fallbackInterfaceType)
+	if len(primaryInterfaces)+len(fallbackInterfaces) == 0 {
+		return nil, false, E.New("no available network interface")
+	}
+	if fallbackDelay == 0 {
+		fallbackDelay = N.DefaultFallbackDelay
+	}
+	returned := make(chan struct{})
+	defer close(returned)
+	type dialResult struct {
+		net.Conn
+		error
+		primary bool
+	}
+	startAt := time.Now()
+	results := make(chan dialResult) // unbuffered
+	startRacer := func(ctx context.Context, primary bool, iif adapter.NetworkInterface) {
+		perNetDialer := dialer
+		perNetDialer.Control = control.Append(perNetDialer.Control, control.BindToInterface(nil, iif.Name, iif.Index))
+		conn, err := perNetDialer.DialContext(ctx, network, addr)
+		if err != nil {
+			select {
+			case results <- dialResult{error: E.Cause(err, "dial ", iif.Name, " (", iif.Index, ")"), primary: primary}:
+			case <-returned:
+			}
+		} else {
+			select {
+			case results <- dialResult{Conn: conn, primary: primary}:
+			case <-returned:
+				if primary && time.Since(startAt) <= fallbackDelay {
+					resetFastFallback(time.Time{})
+				}
+				conn.Close()
+			}
+		}
+	}
+	for _, iif := range primaryInterfaces {
+		go startRacer(ctx, true, iif)
+	}
+	fallbackCtx, fallbackCancel := context.WithCancel(ctx)
+	defer fallbackCancel()
+	for _, iif := range fallbackInterfaces {
+		go startRacer(fallbackCtx, false, iif)
+	}
+	var errors []error
+	for {
+		select {
+		case res := <-results:
+			if res.error == nil {
+				return res.Conn, res.primary, nil
+			}
+			errors = append(errors, res.error)
+			if len(errors) == len(primaryInterfaces)+len(fallbackInterfaces) {
+				return nil, false, E.Errors(errors...)
+			}
+		}
+	}
+}
+
+func (d *DefaultDialer) listenSerialInterfacePacket(ctx context.Context, listener net.ListenConfig, network string, addr string, strategy C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.PacketConn, error) {
+	primaryInterfaces, fallbackInterfaces := selectInterfaces(d.networkManager, strategy, interfaceType, fallbackInterfaceType)
+	if len(primaryInterfaces)+len(fallbackInterfaces) == 0 {
+		return nil, E.New("no available network interface")
+	}
+	var errors []error
+	for _, primaryInterface := range primaryInterfaces {
+		perNetListener := listener
+		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
+		}
+		errors = append(errors, E.Cause(err, "listen ", primaryInterface.Name, " (", primaryInterface.Index, ")"))
+	}
+	for _, fallbackInterface := range fallbackInterfaces {
+		perNetListener := listener
+		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
+		}
+		errors = append(errors, E.Cause(err, "listen ", fallbackInterface.Name, " (", fallbackInterface.Index, ")"))
+	}
+	return nil, E.Errors(errors...)
+}
+
+func selectInterfaces(networkManager adapter.NetworkManager, strategy C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType) (primaryInterfaces []adapter.NetworkInterface, fallbackInterfaces []adapter.NetworkInterface) {
+	interfaces := networkManager.NetworkInterfaces()
+	switch strategy {
+	case C.NetworkStrategyDefault:
+		if len(interfaceType) == 0 {
+			defaultIf := networkManager.InterfaceMonitor().DefaultInterface()
+			if defaultIf != nil {
+				for _, iif := range interfaces {
+					if iif.Index == defaultIf.Index {
+						primaryInterfaces = append(primaryInterfaces, iif)
+					}
+				}
+			} else {
+				primaryInterfaces = interfaces
+			}
+		} else {
+			primaryInterfaces = common.Filter(interfaces, func(it adapter.NetworkInterface) bool {
+				return common.Contains(interfaceType, it.Type)
+			})
+		}
+	case C.NetworkStrategyHybrid:
+		if len(interfaceType) == 0 {
+			primaryInterfaces = interfaces
+		} else {
+			primaryInterfaces = common.Filter(interfaces, func(it adapter.NetworkInterface) bool {
+				return common.Contains(interfaceType, it.Type)
+			})
+		}
+	case C.NetworkStrategyFallback:
+		if len(interfaceType) == 0 {
+			defaultIf := networkManager.InterfaceMonitor().DefaultInterface()
+			if defaultIf != nil {
+				for _, iif := range interfaces {
+					if iif.Index == defaultIf.Index {
+						primaryInterfaces = append(primaryInterfaces, iif)
+						break
+					}
+				}
+			} else {
+				primaryInterfaces = interfaces
+			}
+		} else {
+			primaryInterfaces = common.Filter(interfaces, func(it adapter.NetworkInterface) bool {
+				return common.Contains(interfaceType, it.Type)
+			})
+		}
+		if len(fallbackInterfaceType) == 0 {
+			fallbackInterfaces = common.Filter(interfaces, func(it adapter.NetworkInterface) bool {
+				return !common.Any(primaryInterfaces, func(iif adapter.NetworkInterface) bool {
+					return it.Index == iif.Index
+				})
+			})
+		} else {
+			fallbackInterfaces = common.Filter(interfaces, func(iif adapter.NetworkInterface) bool {
+				return common.Contains(fallbackInterfaceType, iif.Type)
+			})
+		}
+	}
+	return primaryInterfaces, fallbackInterfaces
+}

common/dialer/default_parallel_network.go

@@ -0,0 +1,161 @@
+package dialer
+
+import (
+	"context"
+	"net"
+	"net/netip"
+	"time"
+
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+)
+
+func DialSerialNetwork(ctx context.Context, dialer N.Dialer, network string, destination M.Socksaddr, destinationAddresses []netip.Addr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.Conn, error) {
+	if len(destinationAddresses) == 0 {
+		if !destination.IsIP() {
+			panic("invalid usage")
+		}
+		destinationAddresses = []netip.Addr{destination.Addr}
+	}
+	if parallelDialer, isParallel := dialer.(ParallelNetworkDialer); isParallel {
+		return parallelDialer.DialParallelNetwork(ctx, network, destination, destinationAddresses, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+	}
+	var errors []error
+	if parallelDialer, isParallel := dialer.(ParallelInterfaceDialer); isParallel {
+		for _, address := range destinationAddresses {
+			conn, err := parallelDialer.DialParallelInterface(ctx, network, M.SocksaddrFrom(address, destination.Port), strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+			if err == nil {
+				return conn, nil
+			}
+			errors = append(errors, err)
+		}
+	} else {
+		for _, address := range destinationAddresses {
+			conn, err := dialer.DialContext(ctx, network, M.SocksaddrFrom(address, destination.Port))
+			if err == nil {
+				return conn, nil
+			}
+			errors = append(errors, err)
+		}
+	}
+	return nil, E.Errors(errors...)
+}
+
+func DialParallelNetwork(ctx context.Context, dialer ParallelInterfaceDialer, network string, destination M.Socksaddr, destinationAddresses []netip.Addr, preferIPv6 bool, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.Conn, error) {
+	if len(destinationAddresses) == 0 {
+		if !destination.IsIP() {
+			panic("invalid usage")
+		}
+		destinationAddresses = []netip.Addr{destination.Addr}
+	}
+
+	if fallbackDelay == 0 {
+		fallbackDelay = N.DefaultFallbackDelay
+	}
+
+	returned := make(chan struct{})
+	defer close(returned)
+
+	addresses4 := common.Filter(destinationAddresses, func(address netip.Addr) bool {
+		return address.Is4() || address.Is4In6()
+	})
+	addresses6 := common.Filter(destinationAddresses, func(address netip.Addr) bool {
+		return address.Is6() && !address.Is4In6()
+	})
+	if len(addresses4) == 0 || len(addresses6) == 0 {
+		return DialSerialNetwork(ctx, dialer, network, destination, destinationAddresses, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+	}
+	var primaries, fallbacks []netip.Addr
+	if preferIPv6 {
+		primaries = addresses6
+		fallbacks = addresses4
+	} else {
+		primaries = addresses4
+		fallbacks = addresses6
+	}
+	type dialResult struct {
+		net.Conn
+		error
+		primary bool
+		done    bool
+	}
+	results := make(chan dialResult) // unbuffered
+	startRacer := func(ctx context.Context, primary bool) {
+		ras := primaries
+		if !primary {
+			ras = fallbacks
+		}
+		c, err := DialSerialNetwork(ctx, dialer, network, destination, ras, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+		select {
+		case results <- dialResult{Conn: c, error: err, primary: primary, done: true}:
+		case <-returned:
+			if c != nil {
+				c.Close()
+			}
+		}
+	}
+	var primary, fallback dialResult
+	primaryCtx, primaryCancel := context.WithCancel(ctx)
+	defer primaryCancel()
+	go startRacer(primaryCtx, true)
+	fallbackTimer := time.NewTimer(fallbackDelay)
+	defer fallbackTimer.Stop()
+	for {
+		select {
+		case <-fallbackTimer.C:
+			fallbackCtx, fallbackCancel := context.WithCancel(ctx)
+			defer fallbackCancel()
+			go startRacer(fallbackCtx, false)
+
+		case res := <-results:
+			if res.error == nil {
+				return res.Conn, nil
+			}
+			if res.primary {
+				primary = res
+			} else {
+				fallback = res
+			}
+			if primary.done && fallback.done {
+				return nil, primary.error
+			}
+			if res.primary && fallbackTimer.Stop() {
+				fallbackTimer.Reset(0)
+			}
+		}
+	}
+}
+
+func ListenSerialNetworkPacket(ctx context.Context, dialer N.Dialer, destination M.Socksaddr, destinationAddresses []netip.Addr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.PacketConn, netip.Addr, error) {
+	if len(destinationAddresses) == 0 {
+		if !destination.IsIP() {
+			panic("invalid usage")
+		}
+		destinationAddresses = []netip.Addr{destination.Addr}
+	}
+	if parallelDialer, isParallel := dialer.(ParallelNetworkDialer); isParallel {
+		return parallelDialer.ListenSerialNetworkPacket(ctx, destination, destinationAddresses, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+	}
+	var errors []error
+	if parallelDialer, isParallel := dialer.(ParallelInterfaceDialer); isParallel {
+		for _, address := range destinationAddresses {
+			conn, err := parallelDialer.ListenSerialInterfacePacket(ctx, M.SocksaddrFrom(address, destination.Port), strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+			if err == nil {
+				return conn, address, nil
+			}
+			errors = append(errors, err)
+		}
+	} else {
+		for _, address := range destinationAddresses {
+			conn, err := dialer.ListenPacket(ctx, M.SocksaddrFrom(address, destination.Port))
+			if err == nil {
+				return conn, address, nil
+			}
+			errors = append(errors, err)
+		}
+	}
+	return nil, netip.Addr{}, E.Errors(errors...)
+}

common/dialer/detour.go

@@ -12,15 +12,15 @@ import (
 )
 
 type DetourDialer struct {
-	router   adapter.Router
+	outboundManager adapter.OutboundManager
 	detour          string
 	dialer          N.Dialer
 	initOnce        sync.Once
 	initErr         error
 }
 
-func NewDetour(router adapter.Router, detour string) N.Dialer {
+func NewDetour(outboundManager adapter.OutboundManager, detour string) N.Dialer {
-	return &DetourDialer{router: router, detour: detour}
+	return &DetourDialer{outboundManager: outboundManager, detour: detour}
 }
 
 func (d *DetourDialer) Start() error {
@@ -31,7 +31,7 @@ func (d *DetourDialer) Start() error {
 func (d *DetourDialer) Dialer() (N.Dialer, error) {
 	d.initOnce.Do(func() {
 		var loaded bool
-		d.dialer, loaded = d.router.Outbound(d.detour)
+		d.dialer, loaded = d.outboundManager.Outbound(d.detour)
 		if !loaded {
 			d.initErr = E.New("outbound detour not found: ", d.detour)
 		}

common/dialer/dialer.go

@@ -1,40 +1,103 @@
 package dialer
 
 import (
+	"context"
+	"net"
+	"net/netip"
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/experimental/deprecated"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-dns"
+	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
+	"github.com/sagernet/sing/service"
 )
 
-func New(router adapter.Router, options option.DialerOptions) (N.Dialer, error) {
+func New(ctx context.Context, options option.DialerOptions, remoteIsDomain bool) (N.Dialer, error) {
 	if options.IsWireGuardListener {
-		return NewDefault(router, options)
+		return NewDefault(ctx, options)
-	}
-	if router == nil {
-		return NewDefault(nil, options)
 	}
 	var (
 		dialer N.Dialer
 		err    error
 	)
 	if options.Detour == "" {
-		dialer, err = NewDefault(router, options)
+		dialer, err = NewDefault(ctx, options)
 		if err != nil {
 			return nil, err
 		}
 	} else {
-		dialer = NewDetour(router, options.Detour)
+		outboundManager := service.FromContext[adapter.OutboundManager](ctx)
+		if outboundManager == nil {
+			return nil, E.New("missing outbound manager")
+		}
+		dialer = NewDetour(outboundManager, options.Detour)
+	}
+	if remoteIsDomain && options.Detour == "" && options.DomainResolver == "" {
+		deprecated.Report(ctx, deprecated.OptionMissingDomainResolverInDialOptions)
+	}
+	if (options.Detour == "" && remoteIsDomain) || options.DomainResolver != "" {
+		router := service.FromContext[adapter.DNSRouter](ctx)
+		if router != nil {
+			var resolveTransport adapter.DNSTransport
+			if options.DomainResolver != "" {
+				transport, loaded := service.FromContext[adapter.DNSTransportManager](ctx).Transport(options.DomainResolver)
+				if !loaded {
+					return nil, E.New("DNS server not found: " + options.DomainResolver)
+				}
+				resolveTransport = transport
 			}
-	if options.Detour == "" {
 			dialer = NewResolveDialer(
 				router,
 				dialer,
 				options.Detour == "" && !options.TCPFastOpen,
-			dns.DomainStrategy(options.DomainStrategy),
+				resolveTransport,
+				C.DomainStrategy(options.DomainStrategy),
 				time.Duration(options.FallbackDelay))
 		}
+	}
 	return dialer, nil
 }
+
+func NewDirect(ctx context.Context, options option.DialerOptions) (ParallelInterfaceDialer, error) {
+	if options.Detour != "" {
+		return nil, E.New("`detour` is not supported in direct context")
+	}
+	if options.IsWireGuardListener {
+		return NewDefault(ctx, options)
+	}
+	dialer, err := NewDefault(ctx, options)
+	if err != nil {
+		return nil, err
+	}
+	var resolveTransport adapter.DNSTransport
+	if options.DomainResolver != "" {
+		transport, loaded := service.FromContext[adapter.DNSTransportManager](ctx).Transport(options.DomainResolver)
+		if !loaded {
+			return nil, E.New("DNS server not found: " + options.DomainResolver)
+		}
+		resolveTransport = transport
+	}
+	return NewResolveParallelInterfaceDialer(
+		service.FromContext[adapter.DNSRouter](ctx),
+		dialer,
+		true,
+		resolveTransport,
+		C.DomainStrategy(options.DomainStrategy),
+		time.Duration(options.FallbackDelay),
+	), nil
+}
+
+type ParallelInterfaceDialer interface {
+	N.Dialer
+	DialParallelInterface(ctx context.Context, network string, destination M.Socksaddr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.Conn, error)
+	ListenSerialInterfacePacket(ctx context.Context, destination M.Socksaddr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.PacketConn, error)
+}
+
+type ParallelNetworkDialer interface {
+	DialParallelNetwork(ctx context.Context, network string, destination M.Socksaddr, destinationAddresses []netip.Addr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.Conn, error)
+	ListenSerialNetworkPacket(ctx context.Context, destination M.Socksaddr, destinationAddresses []netip.Addr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.PacketConn, netip.Addr, error)
+}

common/dialer/resolve.go

@@ -3,75 +3,82 @@ package dialer
 import (
 	"context"
 	"net"
-	"net/netip"
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
+	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-dns"
 	"github.com/sagernet/sing/common/bufio"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 )
 
-type ResolveDialer struct {
+var (
+	_ N.Dialer                = (*resolveDialer)(nil)
+	_ ParallelInterfaceDialer = (*resolveParallelNetworkDialer)(nil)
+)
+
+type resolveDialer struct {
 	dialer        N.Dialer
 	parallel      bool
-	router        adapter.Router
+	router        adapter.DNSRouter
-	strategy      dns.DomainStrategy
+	transport     adapter.DNSTransport
+	strategy      C.DomainStrategy
 	fallbackDelay time.Duration
 }
 
-func NewResolveDialer(router adapter.Router, dialer N.Dialer, parallel bool, strategy dns.DomainStrategy, fallbackDelay time.Duration) *ResolveDialer {
+func NewResolveDialer(router adapter.DNSRouter, dialer N.Dialer, parallel bool, transport adapter.DNSTransport, strategy C.DomainStrategy, fallbackDelay time.Duration) N.Dialer {
-	return &ResolveDialer{
+	return &resolveDialer{
 		dialer,
 		parallel,
 		router,
+		transport,
 		strategy,
 		fallbackDelay,
 	}
 }
 
-func (d *ResolveDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+type resolveParallelNetworkDialer struct {
+	resolveDialer
+	dialer ParallelInterfaceDialer
+}
+
+func NewResolveParallelInterfaceDialer(router adapter.DNSRouter, dialer ParallelInterfaceDialer, parallel bool, transport adapter.DNSTransport, strategy C.DomainStrategy, fallbackDelay time.Duration) ParallelInterfaceDialer {
+	return &resolveParallelNetworkDialer{
+		resolveDialer{
+			dialer,
+			parallel,
+			router,
+			transport,
+			strategy,
+			fallbackDelay,
+		},
+		dialer,
+	}
+}
+
+func (d *resolveDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
 	if !destination.IsFqdn() {
 		return d.dialer.DialContext(ctx, network, destination)
 	}
-	ctx, metadata := adapter.ExtendContext(ctx)
 	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
-	metadata.Destination = destination
+	addresses, err := d.router.Lookup(ctx, destination.Fqdn, adapter.DNSQueryOptions{Transport: d.transport, Strategy: d.strategy})
-	metadata.Domain = ""
-	var addresses []netip.Addr
-	var err error
-	if d.strategy == dns.DomainStrategyAsIS {
-		addresses, err = d.router.LookupDefault(ctx, destination.Fqdn)
-	} else {
-		addresses, err = d.router.Lookup(ctx, destination.Fqdn, d.strategy)
-	}
 	if err != nil {
 		return nil, err
 	}
 	if d.parallel {
-		return N.DialParallel(ctx, d.dialer, network, destination, addresses, d.strategy == dns.DomainStrategyPreferIPv6, d.fallbackDelay)
+		return N.DialParallel(ctx, d.dialer, network, destination, addresses, d.strategy == C.DomainStrategyPreferIPv6, d.fallbackDelay)
 	} else {
 		return N.DialSerial(ctx, d.dialer, network, destination, addresses)
 	}
 }
 
-func (d *ResolveDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+func (d *resolveDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
 	if !destination.IsFqdn() {
 		return d.dialer.ListenPacket(ctx, destination)
 	}
-	ctx, metadata := adapter.ExtendContext(ctx)
 	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
-	metadata.Destination = destination
+	addresses, err := d.router.Lookup(ctx, destination.Fqdn, adapter.DNSQueryOptions{Transport: d.transport, Strategy: d.strategy})
-	metadata.Domain = ""
-	var addresses []netip.Addr
-	var err error
-	if d.strategy == dns.DomainStrategyAsIS {
-		addresses, err = d.router.LookupDefault(ctx, destination.Fqdn)
-	} else {
-		addresses, err = d.router.Lookup(ctx, destination.Fqdn, d.strategy)
-	}
 	if err != nil {
 		return nil, err
 	}
@@ -82,6 +89,41 @@ func (d *ResolveDialer) ListenPacket(ctx context.Context, destination M.Socksadd
 	return bufio.NewNATPacketConn(bufio.NewPacketConn(conn), M.SocksaddrFrom(destinationAddress, destination.Port), destination), nil
 }
 
-func (d *ResolveDialer) Upstream() any {
+func (d *resolveParallelNetworkDialer) DialParallelInterface(ctx context.Context, network string, destination M.Socksaddr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.Conn, error) {
+	if !destination.IsFqdn() {
+		return d.dialer.DialContext(ctx, network, destination)
+	}
+	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
+	addresses, err := d.router.Lookup(ctx, destination.Fqdn, adapter.DNSQueryOptions{Transport: d.transport, Strategy: d.strategy})
+	if err != nil {
+		return nil, err
+	}
+	if fallbackDelay == 0 {
+		fallbackDelay = d.fallbackDelay
+	}
+	if d.parallel {
+		return DialParallelNetwork(ctx, d.dialer, network, destination, addresses, d.strategy == C.DomainStrategyPreferIPv6, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+	} else {
+		return DialSerialNetwork(ctx, d.dialer, network, destination, addresses, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+	}
+}
+
+func (d *resolveParallelNetworkDialer) ListenSerialInterfacePacket(ctx context.Context, destination M.Socksaddr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.PacketConn, error) {
+	if !destination.IsFqdn() {
+		return d.dialer.ListenPacket(ctx, destination)
+	}
+	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
+	addresses, err := d.router.Lookup(ctx, destination.Fqdn, adapter.DNSQueryOptions{Transport: d.transport, Strategy: d.strategy})
+	if err != nil {
+		return nil, err
+	}
+	conn, destinationAddress, err := ListenSerialNetworkPacket(ctx, d.dialer, destination, addresses, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+	if err != nil {
+		return nil, err
+	}
+	return bufio.NewNATPacketConn(bufio.NewPacketConn(conn), M.SocksaddrFrom(destinationAddress, destination.Port), destination), nil
+}
+
+func (d *resolveDialer) Upstream() any {
 	return d.dialer
 }

common/dialer/router.go

@@ -7,32 +7,27 @@ import (
 	"github.com/sagernet/sing-box/adapter"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
+	"github.com/sagernet/sing/service"
 )
 
-type RouterDialer struct {
+type DefaultOutboundDialer struct {
-	router adapter.Router
+	outbound adapter.OutboundManager
 }
 
-func NewRouter(router adapter.Router) N.Dialer {
+func NewDefaultOutbound(ctx context.Context) N.Dialer {
-	return &RouterDialer{router: router}
+	return &DefaultOutboundDialer{
-}
+		outbound: service.FromContext[adapter.OutboundManager](ctx),
-
-func (d *RouterDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
-	dialer, err := d.router.DefaultOutbound(network)
-	if err != nil {
-		return nil, err
 	}
-	return dialer.DialContext(ctx, network, destination)
 }
 
-func (d *RouterDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+func (d *DefaultOutboundDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
-	dialer, err := d.router.DefaultOutbound(N.NetworkUDP)
+	return d.outbound.Default().DialContext(ctx, network, destination)
-	if err != nil {
-		return nil, err
-	}
-	return dialer.ListenPacket(ctx, destination)
 }
 
-func (d *RouterDialer) Upstream() any {
+func (d *DefaultOutboundDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	return d.router
+	return d.outbound.Default().ListenPacket(ctx, destination)
+}
+
+func (d *DefaultOutboundDialer) Upstream() any {
+	return d.outbound.Default()
 }

common/listener/listener.go

@@ -3,6 +3,7 @@ package listener
 import (
 	"context"
 	"net"
+	"net/netip"
 	"sync/atomic"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -92,7 +93,7 @@ func (l *Listener) Start() error {
 	if l.setSystemProxy {
 		listenPort := M.SocksaddrFromNet(l.tcpListener.Addr()).Port
 		var listenAddrString string
-		listenAddr := l.listenOptions.Listen.Build()
+		listenAddr := l.listenOptions.Listen.Build(netip.IPv4Unspecified())
 		if listenAddr.IsUnspecified() {
 			listenAddrString = "127.0.0.1"
 		} else {

common/listener/listener_tcp.go

@@ -2,6 +2,7 @@ package listener
 
 import (
 	"net"
+	"net/netip"
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -16,7 +17,7 @@ import (
 
 func (l *Listener) ListenTCP() (net.Listener, error) {
 	var err error
-	bindAddr := M.SocksaddrFrom(l.listenOptions.Listen.Build(), l.listenOptions.ListenPort)
+	bindAddr := M.SocksaddrFrom(l.listenOptions.Listen.Build(netip.AddrFrom4([4]byte{127, 0, 0, 1})), l.listenOptions.ListenPort)
 	var tcpListener net.Listener
 	var listenConfig net.ListenConfig
 	if l.listenOptions.TCPKeepAlive >= 0 {

common/listener/listener_udp.go

@@ -2,8 +2,8 @@ package listener
 
 import (
 	"net"
+	"net/netip"
 	"os"
-	"time"
 
 	"github.com/sagernet/sing/common/buf"
 	"github.com/sagernet/sing/common/control"
@@ -13,7 +13,7 @@ import (
 )
 
 func (l *Listener) ListenUDP() (net.PacketConn, error) {
-	bindAddr := M.SocksaddrFrom(l.listenOptions.Listen.Build(), l.listenOptions.ListenPort)
+	bindAddr := M.SocksaddrFrom(l.listenOptions.Listen.Build(netip.AddrFrom4([4]byte{127, 0, 0, 1})), l.listenOptions.ListenPort)
 	var lc net.ListenConfig
 	var udpFragment bool
 	if l.listenOptions.UDPFragment != nil {
@@ -48,9 +48,9 @@ func (l *Listener) loopUDPIn() {
 	if !l.threadUnsafePacketWriter {
 		buffer = buf.NewPacket()
 		defer buffer.Release()
-	}
 		buffer.IncRef()
 		defer buffer.DecRef()
+	}
 	if l.oobPacketHandler != nil {
 		oob := make([]byte, 1024)
 		for {
@@ -123,7 +123,7 @@ func (l *Listener) loopUDPOut() {
 			case packet := <-l.packetOutbound:
 				packet.Buffer.Release()
 				N.PutPacketBuffer(packet)
-			case <-time.After(time.Second):
+			default:
 				return
 			}
 		}

common/mux/router.go

@@ -42,7 +42,7 @@ func NewRouterWithOptions(router adapter.ConnectionRouterEx, logger logger.Conte
 			return log.ContextWithNewID(ctx)
 		},
 		Logger:    logger,
-		Handler: adapter.NewRouteContextHandler(router, logger),
+		HandlerEx: adapter.NewRouteContextHandlerEx(router),
 		Padding:   options.Padding,
 		Brutal:    brutalOptions,
 	})
@@ -52,6 +52,7 @@ func NewRouterWithOptions(router adapter.ConnectionRouterEx, logger logger.Conte
 	return &Router{router, service}, nil
 }
 
+// Deprecated: Use RouteConnectionEx instead.
 func (r *Router) RouteConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
 	if metadata.Destination == mux.Destination {
 		// TODO: check if WithContext is necessary
@@ -61,6 +62,7 @@ func (r *Router) RouteConnection(ctx context.Context, conn net.Conn, metadata ad
 	}
 }
 
+// Deprecated: Use RoutePacketConnectionEx instead.
 func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
 	return r.router.RoutePacketConnection(ctx, conn, metadata)
 }

common/settings/proxy_darwin.go

@@ -2,16 +2,17 @@ package settings
 
 import (
 	"context"
-	"net/netip"
 	"strconv"
 	"strings"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-tun"
+	"github.com/sagernet/sing/common/control"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	"github.com/sagernet/sing/common/shell"
 	"github.com/sagernet/sing/common/x/list"
+	"github.com/sagernet/sing/service"
 )
 
 type DarwinSystemProxy struct {
@@ -24,7 +25,7 @@ type DarwinSystemProxy struct {
 }
 
 func NewSystemProxy(ctx context.Context, serverAddr M.Socksaddr, supportSOCKS bool) (*DarwinSystemProxy, error) {
-	interfaceMonitor := adapter.RouterFromContext(ctx).InterfaceMonitor()
+	interfaceMonitor := service.FromContext[adapter.NetworkManager](ctx).InterfaceMonitor()
 	if interfaceMonitor == nil {
 		return nil, E.New("missing interface monitor")
 	}
@@ -33,7 +34,7 @@ func NewSystemProxy(ctx context.Context, serverAddr M.Socksaddr, supportSOCKS bo
 		serverAddr:   serverAddr,
 		supportSOCKS: supportSOCKS,
 	}
-	proxy.element = interfaceMonitor.RegisterCallback(proxy.update)
+	proxy.element = interfaceMonitor.RegisterCallback(proxy.routeUpdate)
 	return proxy, nil
 }
 
@@ -65,25 +66,22 @@ func (p *DarwinSystemProxy) Disable() error {
 	return err
 }
 
-func (p *DarwinSystemProxy) update(event int) {
+func (p *DarwinSystemProxy) routeUpdate(defaultInterface *control.Interface, flags int) {
-	if event&tun.EventInterfaceUpdate == 0 {
+	if !p.isEnabled || defaultInterface == nil {
-		return
-	}
-	if !p.isEnabled {
 		return
 	}
 	_ = p.update0()
 }
 
 func (p *DarwinSystemProxy) update0() error {
-	newInterfaceName := p.monitor.DefaultInterfaceName(netip.IPv4Unspecified())
+	newInterface := p.monitor.DefaultInterface()
-	if p.interfaceName == newInterfaceName {
+	if p.interfaceName == newInterface.Name {
 		return nil
 	}
 	if p.interfaceName != "" {
 		_ = p.Disable()
 	}
-	p.interfaceName = newInterfaceName
+	p.interfaceName = newInterface.Name
 	interfaceDisplayName, err := getInterfaceDisplayName(p.interfaceName)
 	if err != nil {
 		return err

common/settings/time_stub.go

@@ -1,12 +0,0 @@
-//go:build !(windows || linux || darwin)
-
-package settings
-
-import (
-	"os"
-	"time"
-)
-
-func SetSystemTime(nowTime time.Time) error {
-	return os.ErrInvalid
-}

common/settings/time_unix.go

@@ -1,14 +0,0 @@
-//go:build linux || darwin
-
-package settings
-
-import (
-	"time"
-
-	"golang.org/x/sys/unix"
-)
-
-func SetSystemTime(nowTime time.Time) error {
-	timeVal := unix.NsecToTimeval(nowTime.UnixNano())
-	return unix.Settimeofday(&timeVal)
-}

common/settings/time_windows.go

@@ -1,32 +0,0 @@
-package settings
-
-import (
-	"time"
-	"unsafe"
-
-	"golang.org/x/sys/windows"
-)
-
-func SetSystemTime(nowTime time.Time) error {
-	var systemTime windows.Systemtime
-	systemTime.Year = uint16(nowTime.Year())
-	systemTime.Month = uint16(nowTime.Month())
-	systemTime.Day = uint16(nowTime.Day())
-	systemTime.Hour = uint16(nowTime.Hour())
-	systemTime.Minute = uint16(nowTime.Minute())
-	systemTime.Second = uint16(nowTime.Second())
-	systemTime.Milliseconds = uint16(nowTime.UnixMilli() - nowTime.Unix()*1000)
-
-	dllKernel32 := windows.NewLazySystemDLL("kernel32.dll")
-	proc := dllKernel32.NewProc("SetSystemTime")
-
-	_, _, err := proc.Call(
-		uintptr(unsafe.Pointer(&systemTime)),
-	)
-
-	if err != nil && err.Error() != "The operation completed successfully." {
-		return err
-	}
-
-	return nil
-}

common/srs/binary.go

@@ -38,10 +38,13 @@ const (
 	ruleItemWIFIBSSID
 	ruleItemAdGuardDomain
 	ruleItemProcessPathRegex
+	ruleItemNetworkType
+	ruleItemNetworkIsExpensive
+	ruleItemNetworkIsConstrained
 	ruleItemFinal uint8 = 0xFF
 )
 
-func Read(reader io.Reader, recover bool) (ruleSet option.PlainRuleSet, err error) {
+func Read(reader io.Reader, recover bool) (ruleSetCompat option.PlainRuleSetCompat, err error) {
 	var magicBytes [3]byte
 	_, err = io.ReadFull(reader, magicBytes[:])
 	if err != nil {
@@ -54,10 +57,10 @@ func Read(reader io.Reader, recover bool) (ruleSet option.PlainRuleSet, err erro
 	var version uint8
 	err = binary.Read(reader, binary.BigEndian, &version)
 	if err != nil {
-		return ruleSet, err
+		return ruleSetCompat, err
 	}
-	if version > C.RuleSetVersion2 {
+	if version > C.RuleSetVersionCurrent {
-		return ruleSet, E.New("unsupported version: ", version)
+		return ruleSetCompat, E.New("unsupported version: ", version)
 	}
 	compressReader, err := zlib.NewReader(reader)
 	if err != nil {
@@ -68,9 +71,10 @@ func Read(reader io.Reader, recover bool) (ruleSet option.PlainRuleSet, err erro
 	if err != nil {
 		return
 	}
-	ruleSet.Rules = make([]option.HeadlessRule, length)
+	ruleSetCompat.Version = version
+	ruleSetCompat.Options.Rules = make([]option.HeadlessRule, length)
 	for i := uint64(0); i < length; i++ {
-		ruleSet.Rules[i], err = readRule(bReader, recover)
+		ruleSetCompat.Options.Rules[i], err = readRule(bReader, recover)
 		if err != nil {
 			err = E.Cause(err, "read rule[", i, "]")
 			return
@@ -79,18 +83,12 @@ func Read(reader io.Reader, recover bool) (ruleSet option.PlainRuleSet, err erro
 	return
 }
 
-func Write(writer io.Writer, ruleSet option.PlainRuleSet, generateUnstable bool) error {
+func Write(writer io.Writer, ruleSet option.PlainRuleSet, generateVersion uint8) error {
 	_, err := writer.Write(MagicBytes[:])
 	if err != nil {
 		return err
 	}
-	var version uint8
+	err = binary.Write(writer, binary.BigEndian, generateVersion)
-	if generateUnstable {
-		version = C.RuleSetVersion2
-	} else {
-		version = C.RuleSetVersion1
-	}
-	err = binary.Write(writer, binary.BigEndian, version)
 	if err != nil {
 		return err
 	}
@@ -104,7 +102,7 @@ func Write(writer io.Writer, ruleSet option.PlainRuleSet, generateUnstable bool)
 		return err
 	}
 	for _, rule := range ruleSet.Rules {
-		err = writeRule(bWriter, rule, generateUnstable)
+		err = writeRule(bWriter, rule, generateVersion)
 		if err != nil {
 			return err
 		}
@@ -135,12 +133,12 @@ func readRule(reader varbin.Reader, recover bool) (rule option.HeadlessRule, err
 	return
 }
 
-func writeRule(writer varbin.Writer, rule option.HeadlessRule, generateUnstable bool) error {
+func writeRule(writer varbin.Writer, rule option.HeadlessRule, generateVersion uint8) error {
 	switch rule.Type {
 	case C.RuleTypeDefault:
-		return writeDefaultRule(writer, rule.DefaultOptions, generateUnstable)
+		return writeDefaultRule(writer, rule.DefaultOptions, generateVersion)
 	case C.RuleTypeLogical:
-		return writeLogicalRule(writer, rule.LogicalOptions, generateUnstable)
+		return writeLogicalRule(writer, rule.LogicalOptions, generateVersion)
 	default:
 		panic("unknown rule type: " + rule.Type)
 	}
@@ -227,6 +225,12 @@ func readDefaultRule(reader varbin.Reader, recover bool) (rule option.DefaultHea
 				return
 			}
 			rule.AdGuardDomainMatcher = matcher
+		case ruleItemNetworkType:
+			rule.NetworkType, err = readRuleItemUint8[option.InterfaceType](reader)
+		case ruleItemNetworkIsExpensive:
+			rule.NetworkIsExpensive = true
+		case ruleItemNetworkIsConstrained:
+			rule.NetworkIsConstrained = true
 		case ruleItemFinal:
 			err = binary.Read(reader, binary.BigEndian, &rule.Invert)
 			return
@@ -240,7 +244,7 @@ func readDefaultRule(reader varbin.Reader, recover bool) (rule option.DefaultHea
 	}
 }
 
-func writeDefaultRule(writer varbin.Writer, rule option.DefaultHeadlessRule, generateUnstable bool) error {
+func writeDefaultRule(writer varbin.Writer, rule option.DefaultHeadlessRule, generateVersion uint8) error {
 	err := binary.Write(writer, binary.BigEndian, uint8(0))
 	if err != nil {
 		return err
@@ -264,7 +268,7 @@ func writeDefaultRule(writer varbin.Writer, rule option.DefaultHeadlessRule, gen
 		if err != nil {
 			return err
 		}
-		err = domain.NewMatcher(rule.Domain, rule.DomainSuffix, !generateUnstable).Write(writer)
+		err = domain.NewMatcher(rule.Domain, rule.DomainSuffix, generateVersion == C.RuleSetVersion1).Write(writer)
 		if err != nil {
 			return err
 		}
@@ -341,6 +345,27 @@ func writeDefaultRule(writer varbin.Writer, rule option.DefaultHeadlessRule, gen
 			return err
 		}
 	}
+	if len(rule.NetworkType) > 0 {
+		if generateVersion < C.RuleSetVersion3 {
+			return E.New("network_type rule item is only supported in version 3 or later")
+		}
+		err = writeRuleItemUint8(writer, ruleItemNetworkType, rule.NetworkType)
+		if err != nil {
+			return err
+		}
+	}
+	if rule.NetworkIsExpensive {
+		err = binary.Write(writer, binary.BigEndian, ruleItemNetworkIsExpensive)
+		if err != nil {
+			return err
+		}
+	}
+	if rule.NetworkIsConstrained {
+		err = binary.Write(writer, binary.BigEndian, ruleItemNetworkIsConstrained)
+		if err != nil {
+			return err
+		}
+	}
 	if len(rule.WIFISSID) > 0 {
 		err = writeRuleItemString(writer, ruleItemWIFISSID, rule.WIFISSID)
 		if err != nil {
@@ -354,6 +379,9 @@ func writeDefaultRule(writer varbin.Writer, rule option.DefaultHeadlessRule, gen
 		}
 	}
 	if len(rule.AdGuardDomain) > 0 {
+		if generateVersion < C.RuleSetVersion2 {
+			return E.New("AdGuard rule items is only supported in version 2 or later")
+		}
 		err = binary.Write(writer, binary.BigEndian, ruleItemAdGuardDomain)
 		if err != nil {
 			return err
@@ -386,6 +414,18 @@ func writeRuleItemString(writer varbin.Writer, itemType uint8, value []string) e
 	return varbin.Write(writer, binary.BigEndian, value)
 }
 
+func readRuleItemUint8[E ~uint8](reader varbin.Reader) ([]E, error) {
+	return varbin.ReadValue[[]E](reader, binary.BigEndian)
+}
+
+func writeRuleItemUint8[E ~uint8](writer varbin.Writer, itemType uint8, value []E) error {
+	err := writer.WriteByte(itemType)
+	if err != nil {
+		return err
+	}
+	return varbin.Write(writer, binary.BigEndian, value)
+}
+
 func readRuleItemUint16(reader varbin.Reader) ([]uint16, error) {
 	return varbin.ReadValue[[]uint16](reader, binary.BigEndian)
 }
@@ -457,7 +497,7 @@ func readLogicalRule(reader varbin.Reader, recovery bool) (logicalRule option.Lo
 	return
 }
 
-func writeLogicalRule(writer varbin.Writer, logicalRule option.LogicalHeadlessRule, generateUnstable bool) error {
+func writeLogicalRule(writer varbin.Writer, logicalRule option.LogicalHeadlessRule, generateVersion uint8) error {
 	err := binary.Write(writer, binary.BigEndian, uint8(1))
 	if err != nil {
 		return err
@@ -478,7 +518,7 @@ func writeLogicalRule(writer varbin.Writer, logicalRule option.LogicalHeadlessRu
 		return err
 	}
 	for _, rule := range logicalRule.Rules {
-		err = writeRule(writer, rule, generateUnstable)
+		err = writeRule(writer, rule, generateVersion)
 		if err != nil {
 			return err
 		}

common/tls/ech_client.go

@@ -15,10 +15,11 @@ import (
 
 	cftls "github.com/sagernet/cloudflare-tls"
 	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/dns"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-dns"
 	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/ntp"
+	"github.com/sagernet/sing/service"
 
 	mDNS "github.com/miekg/dns"
 )
@@ -63,6 +64,7 @@ type echConnWrapper struct {
 
 func (c *echConnWrapper) ConnectionState() tls.ConnectionState {
 	state := c.Conn.ConnectionState()
+	//nolint:staticcheck
 	return tls.ConnectionState{
 		Version:                     state.Version,
 		HandshakeComplete:           state.HandshakeComplete,
@@ -213,7 +215,7 @@ func fetchECHClientConfig(ctx context.Context) func(_ context.Context, serverNam
 				},
 			},
 		}
-		response, err := adapter.RouterFromContext(ctx).Exchange(ctx, message)
+		response, err := service.FromContext[adapter.DNSRouter](ctx).Exchange(ctx, message, adapter.DNSQueryOptions{})
 		if err != nil {
 			return nil, err
 		}

common/tls/ech_keygen.go

@@ -147,6 +147,9 @@ func echKeygen(version uint16, serverName string, conf []myECHKeyConfig, suite [
 		pair.rawConf = b
 
 		secBuf, err := sec.MarshalBinary()
+		if err != nil {
+			return nil, E.Cause(err, "serialize ECH private key")
+		}
 		sk := []byte{}
 		sk = be.AppendUint16(sk, uint16(len(secBuf)))
 		sk = append(sk, secBuf...)

common/tls/ech_quic.go

@@ -28,7 +28,7 @@ func (c *echClientConfig) DialEarly(ctx context.Context, conn net.PacketConn, ad
 }
 
 func (c *echClientConfig) CreateTransport(conn net.PacketConn, quicConnPtr *quic.EarlyConnection, serverAddr M.Socksaddr, quicConfig *quic.Config) http.RoundTripper {
-	return &http3.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) {

common/tls/ech_server.go

@@ -97,6 +97,10 @@ func (c *echServerConfig) startWatcher() error {
 	if err != nil {
 		return err
 	}
+	err = watcher.Start()
+	if err != nil {
+		return err
+	}
 	c.watcher = watcher
 	return nil
 }
@@ -232,7 +236,7 @@ func NewECHServer(ctx context.Context, logger log.Logger, options option.Inbound
 	var echKey []byte
 	if len(options.ECH.Key) > 0 {
 		echKey = []byte(strings.Join(options.ECH.Key, "\n"))
-	} else if options.KeyPath != "" {
+	} else if options.ECH.KeyPath != "" {
 		content, err := os.ReadFile(options.ECH.KeyPath)
 		if err != nil {
 			return nil, E.Cause(err, "read ECH key")

common/tls/reality_client.go

@@ -184,7 +184,7 @@ func (e *RealityClientConfig) ClientHandshake(ctx context.Context, conn net.Conn
 		return nil, E.New("reality verification failed")
 	}
 
-	return &utlsConnWrapper{uConn}, nil
+	return &realityClientConnWrapper{uConn}, nil
 }
 
 func realityClientFallback(uConn net.Conn, serverName string, fingerprint utls.ClientHelloID) {
@@ -249,3 +249,36 @@ func (c *realityVerifier) VerifyPeerCertificate(rawCerts [][]byte, verifiedChain
 	}
 	return nil
 }
+
+type realityClientConnWrapper struct {
+	*utls.UConn
+}
+
+func (c *realityClientConnWrapper) 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 *realityClientConnWrapper) Upstream() any {
+	return c.UConn
+}
+
+// Due to low implementation quality, the reality server intercepted half close and caused memory leaks.
+// We fixed it by calling Close() directly.
+func (c *realityClientConnWrapper) CloseWrite() error {
+	return c.Close()
+}

common/tls/reality_server.go

@@ -11,7 +11,6 @@ import (
 	"time"
 
 	"github.com/sagernet/reality"
-	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/dialer"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
@@ -102,7 +101,7 @@ func NewRealityServer(ctx context.Context, logger log.Logger, options option.Inb
 		tlsConfig.ShortIds[shortID] = true
 	}
 
-	handshakeDialer, err := dialer.New(adapter.RouterFromContext(ctx), options.Reality.Handshake.DialerOptions)
+	handshakeDialer, err := dialer.New(ctx, options.Reality.Handshake.DialerOptions, options.Reality.Handshake.ServerIsDomain())
 	if err != nil {
 		return nil, err
 	}
@@ -175,6 +174,7 @@ type realityConnWrapper struct {
 
 func (c *realityConnWrapper) ConnectionState() ConnectionState {
 	state := c.Conn.ConnectionState()
+	//nolint:staticcheck
 	return tls.ConnectionState{
 		Version:                     state.Version,
 		HandshakeComplete:           state.HandshakeComplete,
@@ -194,3 +194,9 @@ func (c *realityConnWrapper) ConnectionState() ConnectionState {
 func (c *realityConnWrapper) Upstream() any {
 	return c.Conn
 }
+
+// Due to low implementation quality, the reality server intercepted half close and caused memory leaks.
+// We fixed it by calling Close() directly.
+func (c *realityConnWrapper) CloseWrite() error {
+	return c.Close()
+}

common/tls/std_client.go

@@ -5,7 +5,6 @@ import (
 	"crypto/tls"
 	"crypto/x509"
 	"net"
-	"net/netip"
 	"os"
 	"strings"
 
@@ -51,10 +50,8 @@ func NewSTDClient(ctx context.Context, serverAddress string, options option.Outb
 	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")
 	}

common/tls/std_server.go

@@ -106,6 +106,10 @@ func (c *STDServerConfig) startWatcher() error {
 	if err != nil {
 		return err
 	}
+	err = watcher.Start()
+	if err != nil {
+		return err
+	}
 	c.watcher = watcher
 	return nil
 }

common/tls/time_wrapper.go

@@ -0,0 +1,22 @@
+package tls
+
+import (
+	"time"
+
+	"github.com/sagernet/sing/common/ntp"
+)
+
+type TimeServiceWrapper struct {
+	ntp.TimeService
+}
+
+func (w *TimeServiceWrapper) TimeFunc() func() time.Time {
+	if w.TimeService == nil {
+		return nil
+	}
+	return w.TimeService.TimeFunc()
+}
+
+func (w *TimeServiceWrapper) Upstream() any {
+	return w.TimeService
+}

common/tls/utls_client.go

@@ -69,6 +69,7 @@ type utlsConnWrapper struct {
 
 func (c *utlsConnWrapper) ConnectionState() tls.ConnectionState {
 	state := c.Conn.ConnectionState()
+	//nolint:staticcheck
 	return tls.ConnectionState{
 		Version:                     state.Version,
 		HandshakeComplete:           state.HandshakeComplete,

constant/dns.go

@@ -1,5 +1,34 @@
 package constant
 
+const (
+	DefaultDNSTTL = 600
+)
+
+type DomainStrategy = uint8
+
+const (
+	DomainStrategyAsIS DomainStrategy = iota
+	DomainStrategyPreferIPv4
+	DomainStrategyPreferIPv6
+	DomainStrategyIPv4Only
+	DomainStrategyIPv6Only
+)
+
+const (
+	DNSTypeLegacy     = "legacy"
+	DNSTypeUDP        = "udp"
+	DNSTypeTCP        = "tcp"
+	DNSTypeTLS        = "tls"
+	DNSTypeHTTPS      = "https"
+	DNSTypeQUIC       = "quic"
+	DNSTypeHTTP3      = "h3"
+	DNSTypeLocal      = "local"
+	DNSTypePreDefined = "predefined"
+	DNSTypeFakeIP     = "fakeip"
+	DNSTypeDHCP       = "dhcp"
+	DNSTypeTailscale  = "tailscale"
+)
+
 const (
 	DNSProviderAliDNS     = "alidns"
 	DNSProviderCloudflare = "cloudflare"

constant/hysteria2.go

@@ -0,0 +1,7 @@
+package constant
+
+const (
+	Hysterai2MasqueradeTypeFile   = "file"
+	Hysterai2MasqueradeTypeProxy  = "proxy"
+	Hysterai2MasqueradeTypeString = "string"
+)

constant/network.go

@@ -0,0 +1,58 @@
+package constant
+
+import (
+	"github.com/sagernet/sing/common"
+	F "github.com/sagernet/sing/common/format"
+)
+
+type InterfaceType uint8
+
+const (
+	InterfaceTypeWIFI InterfaceType = iota
+	InterfaceTypeCellular
+	InterfaceTypeEthernet
+	InterfaceTypeOther
+)
+
+var (
+	interfaceTypeToString = map[InterfaceType]string{
+		InterfaceTypeWIFI:     "wifi",
+		InterfaceTypeCellular: "cellular",
+		InterfaceTypeEthernet: "ethernet",
+		InterfaceTypeOther:    "other",
+	}
+	StringToInterfaceType = common.ReverseMap(interfaceTypeToString)
+)
+
+func (t InterfaceType) String() string {
+	name, loaded := interfaceTypeToString[t]
+	if !loaded {
+		return F.ToString(int(t))
+	}
+	return name
+}
+
+type NetworkStrategy uint8
+
+const (
+	NetworkStrategyDefault NetworkStrategy = iota
+	NetworkStrategyFallback
+	NetworkStrategyHybrid
+)
+
+var (
+	networkStrategyToString = map[NetworkStrategy]string{
+		NetworkStrategyDefault:  "default",
+		NetworkStrategyFallback: "fallback",
+		NetworkStrategyHybrid:   "hybrid",
+	}
+	StringToNetworkStrategy = common.ReverseMap(networkStrategyToString)
+)
+
+func (s NetworkStrategy) String() string {
+	name, loaded := networkStrategyToString[s]
+	if !loaded {
+		return F.ToString(int(s))
+	}
+	return name
+}

constant/os.go

@@ -6,7 +6,7 @@ import (
 
 const IsAndroid = goos.IsAndroid == 1
 
-const IsDarwin = goos.IsDarwin == 1
+const IsDarwin = goos.IsDarwin == 1 || goos.IsIos == 1
 
 const IsDragonfly = goos.IsDragonfly == 1
 

constant/protocol.go

@@ -10,6 +10,7 @@ const (
 	ProtocolDTLS       = "dtls"
 	ProtocolSSH        = "ssh"
 	ProtocolRDP        = "rdp"
+	ProtocolNTP        = "ntp"
 )
 
 const (

constant/proxy.go

@@ -23,6 +23,7 @@ const (
 	TypeVLESS        = "vless"
 	TypeTUIC         = "tuic"
 	TypeHysteria2    = "hysteria2"
+	TypeTailscale    = "tailscale"
 )
 
 const (

constant/rule.go

@@ -21,11 +21,14 @@ const (
 const (
 	RuleSetVersion1 = 1 + iota
 	RuleSetVersion2
+	RuleSetVersion3
+	RuleSetVersionCurrent = RuleSetVersion3
 )
 
 const (
 	RuleActionTypeRoute        = "route"
-	RuleActionTypeReturn    = "return"
+	RuleActionTypeRouteOptions = "route-options"
+	RuleActionTypeDirect       = "direct"
 	RuleActionTypeReject       = "reject"
 	RuleActionTypeHijackDNS    = "hijack-dns"
 	RuleActionTypeSniff        = "sniff"
@@ -34,9 +37,5 @@ const (
 
 const (
 	RuleActionRejectMethodDefault = "default"
-	RuleActionRejectMethodReset              = "reset"
-	RuleActionRejectMethodNetworkUnreachable = "network-unreachable"
-	RuleActionRejectMethodHostUnreachable    = "host-unreachable"
-	RuleActionRejectMethodPortUnreachable    = "port-unreachable"
 	RuleActionRejectMethodDrop    = "drop"
 )

constant/timeout.go

@@ -9,8 +9,6 @@ const (
 	TCPTimeout                 = 15 * time.Second
 	ReadPayloadTimeout         = 300 * time.Millisecond
 	DNSTimeout                 = 10 * time.Second
-	QUICTimeout                = 30 * time.Second
-	STUNTimeout                = 15 * time.Second
 	UDPTimeout                 = 5 * time.Minute
 	DefaultURLTestInterval     = 3 * time.Minute
 	DefaultURLTestIdleTimeout  = 30 * time.Minute
@@ -19,3 +17,18 @@ const (
 	FatalStopTimeout           = 10 * time.Second
 	FakeIPMetadataSaveInterval = 10 * time.Second
 )
+
+var PortProtocols = map[uint16]string{
+	53:   ProtocolDNS,
+	123:  ProtocolNTP,
+	3478: ProtocolSTUN,
+	443:  ProtocolQUIC,
+}
+
+var ProtocolTimeouts = map[string]time.Duration{
+	ProtocolDNS:  10 * time.Second,
+	ProtocolNTP:  10 * time.Second,
+	ProtocolSTUN: 10 * time.Second,
+	ProtocolQUIC: 30 * time.Second,
+	ProtocolDTLS: 30 * time.Second,
+}

debug_http.go

@@ -46,7 +46,7 @@ func applyDebugListenOption(options option.DebugOptions) {
 
 			encoder := json.NewEncoder(writer)
 			encoder.SetIndent("", "  ")
-			encoder.Encode(memObject)
+			encoder.Encode(&memObject)
 		})
 		r.Route("/pprof", func(r chi.Router) {
 			r.HandleFunc("/", func(writer http.ResponseWriter, request *http.Request) {

dns/client.go

@@ -0,0 +1,563 @@
+package dns
+
+import (
+	"context"
+	"net"
+	"net/netip"
+	"strings"
+	"time"
+
+	"github.com/sagernet/sing-box/adapter"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/logger"
+	M "github.com/sagernet/sing/common/metadata"
+	"github.com/sagernet/sing/common/task"
+	"github.com/sagernet/sing/contrab/freelru"
+	"github.com/sagernet/sing/contrab/maphash"
+
+	"github.com/miekg/dns"
+)
+
+var (
+	ErrNoRawSupport           = E.New("no raw query support by current transport")
+	ErrNotCached              = E.New("not cached")
+	ErrResponseRejected       = E.New("response rejected")
+	ErrResponseRejectedCached = E.Extend(ErrResponseRejected, "cached")
+)
+
+var _ adapter.DNSClient = (*Client)(nil)
+
+type Client struct {
+	timeout          time.Duration
+	disableCache     bool
+	disableExpire    bool
+	independentCache bool
+	rdrc             adapter.RDRCStore
+	initRDRCFunc     func() adapter.RDRCStore
+	logger           logger.ContextLogger
+	cache            freelru.Cache[dns.Question, *dns.Msg]
+	transportCache   freelru.Cache[transportCacheKey, *dns.Msg]
+}
+
+type ClientOptions struct {
+	Timeout          time.Duration
+	DisableCache     bool
+	DisableExpire    bool
+	IndependentCache bool
+	CacheCapacity    uint32
+	RDRC             func() adapter.RDRCStore
+	Logger           logger.ContextLogger
+}
+
+func NewClient(options ClientOptions) *Client {
+	client := &Client{
+		timeout:          options.Timeout,
+		disableCache:     options.DisableCache,
+		disableExpire:    options.DisableExpire,
+		independentCache: options.IndependentCache,
+		initRDRCFunc:     options.RDRC,
+		logger:           options.Logger,
+	}
+	if client.timeout == 0 {
+		client.timeout = C.DNSTimeout
+	}
+	cacheCapacity := options.CacheCapacity
+	if cacheCapacity < 1024 {
+		cacheCapacity = 1024
+	}
+	if !client.disableCache {
+		if !client.independentCache {
+			client.cache = common.Must1(freelru.NewSharded[dns.Question, *dns.Msg](cacheCapacity, maphash.NewHasher[dns.Question]().Hash32))
+		} else {
+			client.transportCache = common.Must1(freelru.NewSharded[transportCacheKey, *dns.Msg](cacheCapacity, maphash.NewHasher[transportCacheKey]().Hash32))
+		}
+	}
+	return client
+}
+
+type transportCacheKey struct {
+	dns.Question
+	transportTag string
+}
+
+func (c *Client) Start() {
+	if c.initRDRCFunc != nil {
+		c.rdrc = c.initRDRCFunc()
+	}
+}
+
+func (c *Client) Exchange(ctx context.Context, transport adapter.DNSTransport, message *dns.Msg, options adapter.DNSQueryOptions, responseChecker func(responseAddrs []netip.Addr) bool) (*dns.Msg, error) {
+	if len(message.Question) == 0 {
+		if c.logger != nil {
+			c.logger.WarnContext(ctx, "bad question size: ", len(message.Question))
+		}
+		responseMessage := dns.Msg{
+			MsgHdr: dns.MsgHdr{
+				Id:       message.Id,
+				Response: true,
+				Rcode:    dns.RcodeFormatError,
+			},
+			Question: message.Question,
+		}
+		return &responseMessage, nil
+	}
+	question := message.Question[0]
+	if options.ClientSubnet.IsValid() {
+		message = SetClientSubnet(message, options.ClientSubnet, true)
+	}
+	isSimpleRequest := len(message.Question) == 1 &&
+		len(message.Ns) == 0 &&
+		len(message.Extra) == 0 &&
+		!options.ClientSubnet.IsValid()
+	disableCache := !isSimpleRequest || c.disableCache || options.DisableCache
+	if !disableCache {
+		response, ttl := c.loadResponse(question, transport)
+		if response != nil {
+			logCachedResponse(c.logger, ctx, response, ttl)
+			response.Id = message.Id
+			return response, nil
+		}
+	}
+	if question.Qtype == dns.TypeA && options.Strategy == C.DomainStrategyIPv6Only || question.Qtype == dns.TypeAAAA && options.Strategy == C.DomainStrategyIPv4Only {
+		responseMessage := dns.Msg{
+			MsgHdr: dns.MsgHdr{
+				Id:       message.Id,
+				Response: true,
+				Rcode:    dns.RcodeSuccess,
+			},
+			Question: []dns.Question{question},
+		}
+		if c.logger != nil {
+			c.logger.DebugContext(ctx, "strategy rejected")
+		}
+		return &responseMessage, nil
+	}
+	messageId := message.Id
+	contextTransport, clientSubnetLoaded := transportTagFromContext(ctx)
+	if clientSubnetLoaded && transport.Tag() == contextTransport {
+		return nil, E.New("DNS query loopback in transport[", contextTransport, "]")
+	}
+	ctx = contextWithTransportTag(ctx, transport.Tag())
+	if responseChecker != nil && c.rdrc != nil {
+		rejected := c.rdrc.LoadRDRC(transport.Tag(), question.Name, question.Qtype)
+		if rejected {
+			return nil, ErrResponseRejectedCached
+		}
+	}
+	ctx, cancel := context.WithTimeout(ctx, c.timeout)
+	response, err := transport.Exchange(ctx, message)
+	cancel()
+	if err != nil {
+		return nil, err
+	}
+	/*if question.Qtype == dns.TypeA || question.Qtype == dns.TypeAAAA {
+		validResponse := response
+	loop:
+		for {
+			var (
+				addresses  int
+				queryCNAME string
+			)
+			for _, rawRR := range validResponse.Answer {
+				switch rr := rawRR.(type) {
+				case *dns.A:
+					break loop
+				case *dns.AAAA:
+					break loop
+				case *dns.CNAME:
+					queryCNAME = rr.Target
+				}
+			}
+			if queryCNAME == "" {
+				break
+			}
+			exMessage := *message
+			exMessage.Question = []dns.Question{{
+				Name:  queryCNAME,
+				Qtype: question.Qtype,
+			}}
+			validResponse, err = c.Exchange(ctx, transport, &exMessage, options, responseChecker)
+			if err != nil {
+				return nil, err
+			}
+		}
+		if validResponse != response {
+			response.Answer = append(response.Answer, validResponse.Answer...)
+		}
+	}*/
+	if responseChecker != nil {
+		addr, addrErr := MessageToAddresses(response)
+		if addrErr != nil || !responseChecker(addr) {
+			if c.rdrc != nil {
+				c.rdrc.SaveRDRCAsync(transport.Tag(), question.Name, question.Qtype, c.logger)
+			}
+			logRejectedResponse(c.logger, ctx, response)
+			return response, ErrResponseRejected
+		}
+	}
+	if question.Qtype == dns.TypeHTTPS {
+		if options.Strategy == C.DomainStrategyIPv4Only || options.Strategy == C.DomainStrategyIPv6Only {
+			for _, rr := range response.Answer {
+				https, isHTTPS := rr.(*dns.HTTPS)
+				if !isHTTPS {
+					continue
+				}
+				content := https.SVCB
+				content.Value = common.Filter(content.Value, func(it dns.SVCBKeyValue) bool {
+					if options.Strategy == C.DomainStrategyIPv4Only {
+						return it.Key() != dns.SVCB_IPV6HINT
+					} else {
+						return it.Key() != dns.SVCB_IPV4HINT
+					}
+				})
+				https.SVCB = content
+			}
+		}
+	}
+	var timeToLive uint32
+	for _, recordList := range [][]dns.RR{response.Answer, response.Ns, response.Extra} {
+		for _, record := range recordList {
+			if timeToLive == 0 || record.Header().Ttl > 0 && record.Header().Ttl < timeToLive {
+				timeToLive = record.Header().Ttl
+			}
+		}
+	}
+	if options.RewriteTTL != nil {
+		timeToLive = *options.RewriteTTL
+	}
+	for _, recordList := range [][]dns.RR{response.Answer, response.Ns, response.Extra} {
+		for _, record := range recordList {
+			record.Header().Ttl = timeToLive
+		}
+	}
+	response.Id = messageId
+	if !disableCache {
+		c.storeCache(transport, question, response, timeToLive)
+	}
+	logExchangedResponse(c.logger, ctx, response, timeToLive)
+	return response, err
+}
+
+func (c *Client) Lookup(ctx context.Context, transport adapter.DNSTransport, domain string, options adapter.DNSQueryOptions, responseChecker func(responseAddrs []netip.Addr) bool) ([]netip.Addr, error) {
+	domain = FqdnToDomain(domain)
+	dnsName := dns.Fqdn(domain)
+	if options.Strategy == C.DomainStrategyIPv4Only {
+		return c.lookupToExchange(ctx, transport, dnsName, dns.TypeA, options, responseChecker)
+	} else if options.Strategy == C.DomainStrategyIPv6Only {
+		return c.lookupToExchange(ctx, transport, dnsName, dns.TypeAAAA, options, responseChecker)
+	}
+	var response4 []netip.Addr
+	var response6 []netip.Addr
+	var group task.Group
+	group.Append("exchange4", func(ctx context.Context) error {
+		response, err := c.lookupToExchange(ctx, transport, dnsName, dns.TypeA, options, responseChecker)
+		if err != nil {
+			return err
+		}
+		response4 = response
+		return nil
+	})
+	group.Append("exchange6", func(ctx context.Context) error {
+		response, err := c.lookupToExchange(ctx, transport, dnsName, dns.TypeAAAA, options, responseChecker)
+		if err != nil {
+			return err
+		}
+		response6 = response
+		return nil
+	})
+	err := group.Run(ctx)
+	if len(response4) == 0 && len(response6) == 0 {
+		return nil, err
+	}
+	return sortAddresses(response4, response6, options.Strategy), nil
+}
+
+func (c *Client) ClearCache() {
+	if c.cache != nil {
+		c.cache.Purge()
+	}
+	if c.transportCache != nil {
+		c.transportCache.Purge()
+	}
+}
+
+func (c *Client) LookupCache(domain string, strategy C.DomainStrategy) ([]netip.Addr, bool) {
+	if c.disableCache || c.independentCache {
+		return nil, false
+	}
+	if dns.IsFqdn(domain) {
+		domain = domain[:len(domain)-1]
+	}
+	dnsName := dns.Fqdn(domain)
+	if strategy == C.DomainStrategyIPv4Only {
+		response, err := c.questionCache(dns.Question{
+			Name:   dnsName,
+			Qtype:  dns.TypeA,
+			Qclass: dns.ClassINET,
+		}, nil)
+		if err != ErrNotCached {
+			return response, true
+		}
+	} else if strategy == C.DomainStrategyIPv6Only {
+		response, err := c.questionCache(dns.Question{
+			Name:   dnsName,
+			Qtype:  dns.TypeAAAA,
+			Qclass: dns.ClassINET,
+		}, nil)
+		if err != ErrNotCached {
+			return response, true
+		}
+	} else {
+		response4, _ := c.questionCache(dns.Question{
+			Name:   dnsName,
+			Qtype:  dns.TypeA,
+			Qclass: dns.ClassINET,
+		}, nil)
+		response6, _ := c.questionCache(dns.Question{
+			Name:   dnsName,
+			Qtype:  dns.TypeAAAA,
+			Qclass: dns.ClassINET,
+		}, nil)
+		if len(response4) > 0 || len(response6) > 0 {
+			return sortAddresses(response4, response6, strategy), true
+		}
+	}
+	return nil, false
+}
+
+func (c *Client) ExchangeCache(ctx context.Context, message *dns.Msg) (*dns.Msg, bool) {
+	if c.disableCache || c.independentCache || len(message.Question) != 1 {
+		return nil, false
+	}
+	question := message.Question[0]
+	response, ttl := c.loadResponse(question, nil)
+	if response == nil {
+		return nil, false
+	}
+	logCachedResponse(c.logger, ctx, response, ttl)
+	response.Id = message.Id
+	return response, true
+}
+
+func sortAddresses(response4 []netip.Addr, response6 []netip.Addr, strategy C.DomainStrategy) []netip.Addr {
+	if strategy == C.DomainStrategyPreferIPv6 {
+		return append(response6, response4...)
+	} else {
+		return append(response4, response6...)
+	}
+}
+
+func (c *Client) storeCache(transport adapter.DNSTransport, question dns.Question, message *dns.Msg, timeToLive uint32) {
+	if timeToLive == 0 {
+		return
+	}
+	if c.disableExpire {
+		if !c.independentCache {
+			c.cache.Add(question, message)
+		} else {
+			c.transportCache.Add(transportCacheKey{
+				Question:     question,
+				transportTag: transport.Tag(),
+			}, message)
+		}
+		return
+	}
+	if !c.independentCache {
+		c.cache.AddWithLifetime(question, message, time.Second*time.Duration(timeToLive))
+	} else {
+		c.transportCache.AddWithLifetime(transportCacheKey{
+			Question:     question,
+			transportTag: transport.Tag(),
+		}, message, time.Second*time.Duration(timeToLive))
+	}
+}
+
+func (c *Client) lookupToExchange(ctx context.Context, transport adapter.DNSTransport, name string, qType uint16, options adapter.DNSQueryOptions, responseChecker func(responseAddrs []netip.Addr) bool) ([]netip.Addr, error) {
+	question := dns.Question{
+		Name:   name,
+		Qtype:  qType,
+		Qclass: dns.ClassINET,
+	}
+	disableCache := c.disableCache || options.DisableCache
+	if !disableCache {
+		cachedAddresses, err := c.questionCache(question, transport)
+		if err != ErrNotCached {
+			return cachedAddresses, err
+		}
+	}
+	message := dns.Msg{
+		MsgHdr: dns.MsgHdr{
+			RecursionDesired: true,
+		},
+		Question: []dns.Question{question},
+	}
+	response, err := c.Exchange(ctx, transport, &message, options, responseChecker)
+	if err != nil {
+		return nil, err
+	}
+	return MessageToAddresses(response)
+}
+
+func (c *Client) questionCache(question dns.Question, transport adapter.DNSTransport) ([]netip.Addr, error) {
+	response, _ := c.loadResponse(question, transport)
+	if response == nil {
+		return nil, ErrNotCached
+	}
+	return MessageToAddresses(response)
+}
+
+func (c *Client) loadResponse(question dns.Question, transport adapter.DNSTransport) (*dns.Msg, int) {
+	var (
+		response *dns.Msg
+		loaded   bool
+	)
+	if c.disableExpire {
+		if !c.independentCache {
+			response, loaded = c.cache.Get(question)
+		} else {
+			response, loaded = c.transportCache.Get(transportCacheKey{
+				Question:     question,
+				transportTag: transport.Tag(),
+			})
+		}
+		if !loaded {
+			return nil, 0
+		}
+		return response.Copy(), 0
+	} else {
+		var expireAt time.Time
+		if !c.independentCache {
+			response, expireAt, loaded = c.cache.GetWithLifetime(question)
+		} else {
+			response, expireAt, loaded = c.transportCache.GetWithLifetime(transportCacheKey{
+				Question:     question,
+				transportTag: transport.Tag(),
+			})
+		}
+		if !loaded {
+			return nil, 0
+		}
+		timeNow := time.Now()
+		if timeNow.After(expireAt) {
+			if !c.independentCache {
+				c.cache.Remove(question)
+			} else {
+				c.transportCache.Remove(transportCacheKey{
+					Question:     question,
+					transportTag: transport.Tag(),
+				})
+			}
+			return nil, 0
+		}
+		var originTTL int
+		for _, recordList := range [][]dns.RR{response.Answer, response.Ns, response.Extra} {
+			for _, record := range recordList {
+				if originTTL == 0 || record.Header().Ttl > 0 && int(record.Header().Ttl) < originTTL {
+					originTTL = int(record.Header().Ttl)
+				}
+			}
+		}
+		nowTTL := int(expireAt.Sub(timeNow).Seconds())
+		if nowTTL < 0 {
+			nowTTL = 0
+		}
+		response = response.Copy()
+		if originTTL > 0 {
+			duration := uint32(originTTL - nowTTL)
+			for _, recordList := range [][]dns.RR{response.Answer, response.Ns, response.Extra} {
+				for _, record := range recordList {
+					record.Header().Ttl = record.Header().Ttl - duration
+				}
+			}
+		} else {
+			for _, recordList := range [][]dns.RR{response.Answer, response.Ns, response.Extra} {
+				for _, record := range recordList {
+					record.Header().Ttl = uint32(nowTTL)
+				}
+			}
+		}
+		return response, nowTTL
+	}
+}
+
+func MessageToAddresses(response *dns.Msg) ([]netip.Addr, error) {
+	if response.Rcode != dns.RcodeSuccess && response.Rcode != dns.RcodeNameError {
+		return nil, RCodeError(response.Rcode)
+	}
+	addresses := make([]netip.Addr, 0, len(response.Answer))
+	for _, rawAnswer := range response.Answer {
+		switch answer := rawAnswer.(type) {
+		case *dns.A:
+			addresses = append(addresses, M.AddrFromIP(answer.A))
+		case *dns.AAAA:
+			addresses = append(addresses, M.AddrFromIP(answer.AAAA))
+		case *dns.HTTPS:
+			for _, value := range answer.SVCB.Value {
+				if value.Key() == dns.SVCB_IPV4HINT || value.Key() == dns.SVCB_IPV6HINT {
+					addresses = append(addresses, common.Map(strings.Split(value.String(), ","), M.ParseAddr)...)
+				}
+			}
+		}
+	}
+	return addresses, nil
+}
+
+func wrapError(err error) error {
+	switch dnsErr := err.(type) {
+	case *net.DNSError:
+		if dnsErr.IsNotFound {
+			return RCodeNameError
+		}
+	case *net.AddrError:
+		return RCodeNameError
+	}
+	return err
+}
+
+type transportKey struct{}
+
+func contextWithTransportTag(ctx context.Context, transportTag string) context.Context {
+	return context.WithValue(ctx, transportKey{}, transportTag)
+}
+
+func transportTagFromContext(ctx context.Context) (string, bool) {
+	value, loaded := ctx.Value(transportKey{}).(string)
+	return value, loaded
+}
+
+func FixedResponse(id uint16, question dns.Question, addresses []netip.Addr, timeToLive uint32) *dns.Msg {
+	response := dns.Msg{
+		MsgHdr: dns.MsgHdr{
+			Id:       id,
+			Rcode:    dns.RcodeSuccess,
+			Response: true,
+		},
+		Question: []dns.Question{question},
+	}
+	for _, address := range addresses {
+		if address.Is4() {
+			response.Answer = append(response.Answer, &dns.A{
+				Hdr: dns.RR_Header{
+					Name:   question.Name,
+					Rrtype: dns.TypeA,
+					Class:  dns.ClassINET,
+					Ttl:    timeToLive,
+				},
+				A: address.AsSlice(),
+			})
+		} else {
+			response.Answer = append(response.Answer, &dns.AAAA{
+				Hdr: dns.RR_Header{
+					Name:   question.Name,
+					Rrtype: dns.TypeAAAA,
+					Class:  dns.ClassINET,
+					Ttl:    timeToLive,
+				},
+				AAAA: address.AsSlice(),
+			})
+		}
+	}
+	return &response
+}

dns/client_log.go

@@ -0,0 +1,69 @@
+package dns
+
+import (
+	"context"
+	"strings"
+
+	"github.com/sagernet/sing/common/logger"
+
+	"github.com/miekg/dns"
+)
+
+func logCachedResponse(logger logger.ContextLogger, ctx context.Context, response *dns.Msg, ttl int) {
+	if logger == nil || len(response.Question) == 0 {
+		return
+	}
+	domain := FqdnToDomain(response.Question[0].Name)
+	logger.DebugContext(ctx, "cached ", domain, " ", dns.RcodeToString[response.Rcode], " ", ttl)
+	for _, recordList := range [][]dns.RR{response.Answer, response.Ns, response.Extra} {
+		for _, record := range recordList {
+			logger.InfoContext(ctx, "cached ", dns.Type(record.Header().Rrtype).String(), " ", FormatQuestion(record.String()))
+		}
+	}
+}
+
+func logExchangedResponse(logger logger.ContextLogger, ctx context.Context, response *dns.Msg, ttl uint32) {
+	if logger == nil || len(response.Question) == 0 {
+		return
+	}
+	domain := FqdnToDomain(response.Question[0].Name)
+	logger.DebugContext(ctx, "exchanged ", domain, " ", dns.RcodeToString[response.Rcode], " ", ttl)
+	for _, recordList := range [][]dns.RR{response.Answer, response.Ns, response.Extra} {
+		for _, record := range recordList {
+			logger.InfoContext(ctx, "exchanged ", dns.Type(record.Header().Rrtype).String(), " ", FormatQuestion(record.String()))
+		}
+	}
+}
+
+func logRejectedResponse(logger logger.ContextLogger, ctx context.Context, response *dns.Msg) {
+	if logger == nil || len(response.Question) == 0 {
+		return
+	}
+	for _, recordList := range [][]dns.RR{response.Answer, response.Ns, response.Extra} {
+		for _, record := range recordList {
+			logger.InfoContext(ctx, "rejected ", dns.Type(record.Header().Rrtype).String(), " ", FormatQuestion(record.String()))
+		}
+	}
+}
+
+func FqdnToDomain(fqdn string) string {
+	if dns.IsFqdn(fqdn) {
+		return fqdn[:len(fqdn)-1]
+	}
+	return fqdn
+}
+
+func FormatQuestion(string string) string {
+	for strings.HasPrefix(string, ";") {
+		string = string[1:]
+	}
+	string = strings.ReplaceAll(string, "\t", " ")
+	string = strings.ReplaceAll(string, "\n", " ")
+	string = strings.ReplaceAll(string, ";; ", " ")
+	string = strings.ReplaceAll(string, "; ", " ")
+
+	for strings.Contains(string, "  ") {
+		string = strings.ReplaceAll(string, "  ", " ")
+	}
+	return strings.TrimSpace(string)
+}

dns/client_truncate.go

@@ -0,0 +1,29 @@
+package dns
+
+import (
+	"github.com/sagernet/sing/common/buf"
+
+	"github.com/miekg/dns"
+)
+
+func TruncateDNSMessage(request *dns.Msg, response *dns.Msg, headroom int) (*buf.Buffer, error) {
+	maxLen := 512
+	if edns0Option := request.IsEdns0(); edns0Option != nil {
+		if udpSize := int(edns0Option.UDPSize()); udpSize > 512 {
+			maxLen = udpSize
+		}
+	}
+	responseLen := response.Len()
+	if responseLen > maxLen {
+		response.Truncate(maxLen)
+	}
+	buffer := buf.NewSize(headroom*2 + 1 + responseLen)
+	buffer.Resize(headroom, 0)
+	rawMessage, err := response.PackBuffer(buffer.FreeBytes())
+	if err != nil {
+		buffer.Release()
+		return nil, err
+	}
+	buffer.Truncate(len(rawMessage))
+	return buffer, nil
+}

dns/extension_edns0_subnet.go

@@ -0,0 +1,56 @@
+package dns
+
+import (
+	"net/netip"
+
+	"github.com/miekg/dns"
+)
+
+func SetClientSubnet(message *dns.Msg, clientSubnet netip.Prefix, override bool) *dns.Msg {
+	var (
+		optRecord    *dns.OPT
+		subnetOption *dns.EDNS0_SUBNET
+	)
+findExists:
+	for _, record := range message.Extra {
+		var isOPTRecord bool
+		if optRecord, isOPTRecord = record.(*dns.OPT); isOPTRecord {
+			for _, option := range optRecord.Option {
+				var isEDNS0Subnet bool
+				subnetOption, isEDNS0Subnet = option.(*dns.EDNS0_SUBNET)
+				if isEDNS0Subnet {
+					if !override {
+						return message
+					}
+					break findExists
+				}
+			}
+		}
+	}
+	if optRecord == nil {
+		exMessage := *message
+		message = &exMessage
+		optRecord = &dns.OPT{
+			Hdr: dns.RR_Header{
+				Name:   ".",
+				Rrtype: dns.TypeOPT,
+			},
+		}
+		message.Extra = append(message.Extra, optRecord)
+	} else {
+		message = message.Copy()
+	}
+	if subnetOption == nil {
+		subnetOption = new(dns.EDNS0_SUBNET)
+		optRecord.Option = append(optRecord.Option, subnetOption)
+	}
+	subnetOption.Code = dns.EDNS0SUBNET
+	if clientSubnet.Addr().Is4() {
+		subnetOption.Family = 1
+	} else {
+		subnetOption.Family = 2
+	}
+	subnetOption.SourceNetmask = uint8(clientSubnet.Bits())
+	subnetOption.Address = clientSubnet.Addr().AsSlice()
+	return message
+}

dns/rcode.go

@@ -0,0 +1,33 @@
+package dns
+
+import F "github.com/sagernet/sing/common/format"
+
+const (
+	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 uint16
+
+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))
+	}
+}