Merge tag 'v1.11.13' into HEAD

Signed-off-by: Sentsuki <52487960+Sentsuki@users.noreply.github.com>

.fpm_openwrt

@@ -0,0 +1,30 @@
+-s dir
+--name sing-box
+--category net
+--license GPL-3.0-or-later
+--description "The universal proxy platform."
+--url "https://sing-box.sagernet.org/"
+--maintainer "nekohasekai <contact-git@sekai.icu>"
+--no-deb-generate-changes
+
+--config-files /etc/config/sing-box
+--config-files /etc/sing-box/config.json
+
+--depends ca-bundle
+--depends kmod-inet-diag
+--depends kmod-tun
+--depends firewall4
+
+--before-remove release/config/openwrt.prerm
+
+release/config/config.json=/etc/sing-box/config.json
+
+release/config/openwrt.conf=/etc/config/sing-box
+release/config/openwrt.init=/etc/init.d/sing-box
+release/config/openwrt.keep=/lib/upgrade/keep.d/sing-box
+
+release/completions/sing-box.bash=/usr/share/bash-completion/completions/sing-box.bash
+release/completions/sing-box.fish=/usr/share/fish/vendor_completions.d/sing-box.fish
+release/completions/sing-box.zsh=/usr/share/zsh/site-functions/_sing-box
+
+LICENSE=/usr/share/licenses/sing-box/LICENSE

.fpm_systemd

@@ -0,0 +1,21 @@
+-s dir
+--name sing-box
+--category net
+--license GPL-3.0-or-later
+--description "The universal proxy platform."
+--url "https://sing-box.sagernet.org/"
+--maintainer "nekohasekai <contact-git@sekai.icu>"
+--deb-field "Bug: https://github.com/SagerNet/sing-box/issues"
+--no-deb-generate-changes
+--config-files /etc/sing-box/config.json
+
+release/config/config.json=/etc/sing-box/config.json
+
+release/config/sing-box.service=/usr/lib/systemd/system/sing-box.service
+release/config/sing-box@.service=/usr/lib/systemd/system/sing-box@.service
+
+release/completions/sing-box.bash=/usr/share/bash-completion/completions/sing-box.bash
+release/completions/sing-box.fish=/usr/share/fish/vendor_completions.d/sing-box.fish
+release/completions/sing-box.zsh=/usr/share/zsh/site-functions/_sing-box
+
+LICENSE=/usr/share/licenses/sing-box/LICENSE

.github/deb2ipk.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+# mod from https://gist.github.com/pldubouilh/c5703052986bfdd404005951dee54683
+
+set -e -o pipefail
+
+PROJECT=$(dirname "$0")/../..
+TMP_PATH=`mktemp -d`
+cp $2 $TMP_PATH
+pushd $TMP_PATH
+
+DEB_NAME=`ls *.deb`
+ar x $DEB_NAME
+
+mkdir control
+pushd control
+tar xf ../control.tar.gz
+rm md5sums
+sed "s/Architecture:\\ \w*/Architecture:\\ $1/g" ./control -i
+cat control
+tar czf ../control.tar.gz ./*
+popd
+
+DEB_NAME=${DEB_NAME%.deb}
+tar czf $DEB_NAME.ipk control.tar.gz data.tar.gz debian-binary
+popd
+
+cp $TMP_PATH/$DEB_NAME.ipk $3
+rm -r $TMP_PATH

.github/workflows/build.yml

@@ -0,0 +1,656 @@
+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: ${{ steps.outputs.outputs.version }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.24
+      - name: Check input version
+        if: github.event_name == 'workflow_dispatch'
+        run: |-
+          echo "version=${{ 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 --ci --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:
+          - { os: linux, arch: amd64, debian: amd64, rpm: x86_64, pacman: x86_64, openwrt: "x86_64" }
+          - { os: linux, arch: "386", go386: sse2, debian: i386, rpm: i386, openwrt: "i386_pentium4" }
+          - { os: linux, arch: "386", go386: softfloat, openwrt: "i386_pentium-mmx" }
+          - { os: linux, arch: arm64, debian: arm64, rpm: aarch64, pacman: aarch64, openwrt: "aarch64_cortex-a53 aarch64_cortex-a72 aarch64_cortex-a76 aarch64_generic" }
+          - { os: linux, arch: arm, goarm: "5", openwrt: "arm_arm926ej-s arm_cortex-a7 arm_cortex-a9 arm_fa526 arm_xscale" }
+          - { os: linux, arch: arm, goarm: "6", debian: armel, rpm: armv6hl, openwrt: "arm_arm1176jzf-s_vfp" }
+          - { os: linux, arch: arm, goarm: "7", debian: armhf, rpm: armv7hl, pacman: armv7hl, openwrt: "arm_cortex-a5_vfpv4 arm_cortex-a7_neon-vfpv4 arm_cortex-a7_vfpv4 arm_cortex-a8_vfpv3 arm_cortex-a9_neon arm_cortex-a9_vfpv3-d16 arm_cortex-a15_neon-vfpv4" }
+          - { os: linux, arch: mips, gomips: softfloat, openwrt: "mips_24kc mips_4kec mips_mips32" }
+          - { os: linux, arch: mipsle, gomips: hardfloat, debian: mipsel, rpm: mipsel, openwrt: "mipsel_24kc_24kf" }
+          - { os: linux, arch: mipsle, gomips: softfloat, openwrt: "mipsel_24kc mipsel_74kc mipsel_mips32" }
+          - { os: linux, arch: mips64, gomips: softfloat, openwrt: "mips64_mips64r2 mips64_octeonplus" }
+          - { os: linux, arch: mips64le, gomips: hardfloat, debian: mips64el, rpm: mips64el }
+          - { os: linux, arch: mips64le, gomips: softfloat, openwrt: "mips64el_mips64r2" }
+          - { os: linux, arch: s390x, debian: s390x, rpm: s390x }
+          - { os: linux, arch: ppc64le, debian: ppc64el, rpm: ppc64le }
+          - { os: linux, arch: riscv64, debian: riscv64, rpm: riscv64, openwrt: "riscv64_generic" }
+          - { os: linux, arch: loong64, debian: loongarch64, rpm: loongarch64, openwrt: "loongarch64_generic" }
+
+          - { os: windows, arch: amd64 }
+          - { os: windows, arch: amd64, legacy_go: true }
+          - { os: windows, arch: "386" }
+          - { os: windows, arch: "386", legacy_go: true }
+          - { os: windows, arch: arm64 }
+
+          - { os: darwin, arch: amd64 }
+          - { os: darwin, arch: amd64, legacy_go: true }
+          - { os: darwin, arch: arm64 }
+
+          - { os: android, arch: arm64, ndk: "aarch64-linux-android21" }
+          - { os: android, arch: arm, ndk: "armv7a-linux-androideabi21" }
+          - { os: android, arch: amd64, ndk: "x86_64-linux-android21" }
+          - { os: android, arch: "386", ndk: "i686-linux-android21" }
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+      - name: Setup Go
+        if: matrix.legacy_go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ~1.20
+      - name: Setup Go
+        if: ${{ ! matrix.legacy_go }}
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.24
+      - name: Setup Android NDK
+        if: matrix.os == 'android'
+        uses: nttld/setup-ndk@v1
+        with:
+          ndk-version: r28
+          local-cache: true
+      - name: Set tag
+        run: |-
+          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
+          git tag v${{ needs.calculate_version.outputs.version }} -f
+      - name: Set build tags
+        run: |
+          set -xeuo pipefail
+          TAGS='with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_reality_server,with_acme,with_clash_api'
+          if [ ! '${{ matrix.legacy_go }}' = 'true' ]; then
+            TAGS="${TAGS},with_ech"
+          fi
+          echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
+      - name: Build
+        if: matrix.os != 'android'
+        run: |
+          set -xeuo pipefail
+          mkdir -p dist
+          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
+          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' \
+          ./cmd/sing-box
+        env:
+          CGO_ENABLED: "0"
+          GOOS: ${{ matrix.os }}
+          GOARCH: ${{ matrix.arch }}
+          GO386: ${{ matrix.go386 }}
+          GOARM: ${{ matrix.goarm }}
+          GOMIPS: ${{ matrix.gomips }}
+          GOMIPS64: ${{ matrix.gomips }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build Android
+        if: matrix.os == 'android'
+        run: |
+          set -xeuo pipefail
+          go install -v ./cmd/internal/build
+          export CC='${{ matrix.ndk }}-clang'
+          export CXX="${CC}++"
+          mkdir -p dist
+          GOOS=$BUILD_GOOS GOARCH=$BUILD_GOARCH build go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
+          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' \
+          ./cmd/sing-box
+        env:
+          CGO_ENABLED: "1"
+          BUILD_GOOS: ${{ matrix.os }}
+          BUILD_GOARCH: ${{ matrix.arch }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Set name
+        run: |-
+          DIR_NAME="sing-box-${{ needs.calculate_version.outputs.version }}-${{ matrix.os }}-${{ matrix.arch }}"
+          if [[ -n "${{ matrix.goarm }}" ]]; then
+            DIR_NAME="${DIR_NAME}v${{ matrix.goarm }}"
+          elif [[ -n "${{ matrix.go386 }}" && "${{ matrix.go386 }}" != 'sse2' ]]; then
+            DIR_NAME="${DIR_NAME}-${{ matrix.go386 }}"
+          elif [[ -n "${{ matrix.gomips }}" && "${{ matrix.gomips }}" != 'hardfloat' ]]; then
+            DIR_NAME="${DIR_NAME}-${{ matrix.gomips }}"
+          elif [[ "${{ matrix.legacy_go }}" == 'true' ]]; then
+            DIR_NAME="${DIR_NAME}-legacy"
+          fi
+          echo "DIR_NAME=${DIR_NAME}" >> "${GITHUB_ENV}"
+          PKG_VERSION="${{ needs.calculate_version.outputs.version }}"
+          PKG_VERSION="${PKG_VERSION//-/\~}"
+          echo "PKG_VERSION=${PKG_VERSION}" >> "${GITHUB_ENV}"
+      - name: Package DEB
+        if: matrix.debian != ''
+        run: |
+          set -xeuo pipefail
+          sudo gem install fpm
+          sudo apt-get update
+          sudo apt-get install -y debsigs
+          cp .fpm_systemd .fpm
+          fpm -t deb \
+            -v "$PKG_VERSION" \
+            -p "dist/sing-box_${{ needs.calculate_version.outputs.version }}_${{ matrix.os }}_${{ matrix.debian }}.deb" \
+            --architecture ${{ matrix.debian }} \
+            dist/sing-box=/usr/bin/sing-box
+          curl -Lo '/tmp/debsigs.diff' 'https://gitlab.com/debsigs/debsigs/-/commit/160138f5de1ec110376d3c807b60a37388bc7c90.diff'
+          sudo patch /usr/bin/debsigs < '/tmp/debsigs.diff'
+          rm -rf $HOME/.gnupg
+          gpg --pinentry-mode loopback --passphrase "${{ secrets.GPG_PASSPHRASE }}" --import <<EOF
+          ${{ secrets.GPG_KEY }}
+          EOF
+          debsigs --sign=origin -k ${{ secrets.GPG_KEY_ID }} --gpgopts '--pinentry-mode loopback --passphrase "${{ secrets.GPG_PASSPHRASE }}"' dist/*.deb
+      - name: Package RPM
+        if: matrix.rpm != ''
+        run: |-
+          set -xeuo pipefail
+          sudo gem install fpm
+          cp .fpm_systemd .fpm
+          fpm -t rpm \
+            -v "$PKG_VERSION" \
+            -p "dist/sing-box_${{ needs.calculate_version.outputs.version }}_${{ matrix.os }}_${{ matrix.rpm }}.rpm" \
+            --architecture ${{ matrix.rpm }} \
+            dist/sing-box=/usr/bin/sing-box
+          cat > $HOME/.rpmmacros <<EOF
+          %_gpg_name ${{ secrets.GPG_KEY_ID }}
+          %_gpg_sign_cmd_extra_args --pinentry-mode loopback --passphrase ${{ secrets.GPG_PASSPHRASE }}
+          EOF
+          gpg --pinentry-mode loopback --passphrase "${{ secrets.GPG_PASSPHRASE }}" --import <<EOF
+          ${{ secrets.GPG_KEY }}
+          EOF
+          rpmsign --addsign dist/*.rpm
+      - name: Package Pacman
+        if: matrix.pacman != ''
+        run: |-
+          set -xeuo pipefail
+          sudo gem install fpm
+          sudo apt-get update
+          sudo apt-get install -y libarchive-tools
+          cp .fpm_systemd .fpm
+          fpm -t pacman \
+            -v "$PKG_VERSION" \
+            -p "dist/sing-box_${{ needs.calculate_version.outputs.version }}_${{ matrix.os }}_${{ matrix.pacman }}.pkg.tar.zst" \
+            --architecture ${{ matrix.pacman }} \
+            dist/sing-box=/usr/bin/sing-box
+      - name: Package OpenWrt
+        if: matrix.openwrt != ''
+        run: |-
+          set -xeuo pipefail
+          sudo gem install fpm
+          cp .fpm_openwrt .fpm
+          fpm -t deb \
+            -v "$PKG_VERSION" \
+            -p "dist/openwrt.deb" \
+            --architecture all \
+            dist/sing-box=/usr/bin/sing-box
+          for architecture in ${{ matrix.openwrt }}; do
+            .github/deb2ipk.sh "$architecture" "dist/openwrt.deb" "dist/sing-box_${{ needs.calculate_version.outputs.version }}_openwrt_${architecture}.ipk"
+          done
+          rm "dist/openwrt.deb"
+      - name: Archive
+        run: |
+          set -xeuo pipefail
+          cd dist
+          mkdir -p "${DIR_NAME}"
+          cp ../LICENSE "${DIR_NAME}"
+          if [ '${{ matrix.os }}' = 'windows' ]; then
+            cp sing-box "${DIR_NAME}/sing-box.exe"
+            zip -r "${DIR_NAME}.zip" "${DIR_NAME}"
+          else
+            cp sing-box "${DIR_NAME}"
+            tar -czvf "${DIR_NAME}.tar.gz" "${DIR_NAME}"
+          fi
+          rm -r "${DIR_NAME}"
+      - name: Cleanup
+        run: rm dist/sing-box
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: binary-${{ matrix.os }}_${{ matrix.arch }}${{ matrix.goarm && format('v{0}', matrix.goarm) }}${{ matrix.go386 && format('_{0}', matrix.go386) }}${{ matrix.gomips && format('_{0}', matrix.gomips) }}${{ matrix.legacy_go && '-legacy' || '' }}
+          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: ^1.24
+      - name: Setup Android NDK
+        id: setup-ndk
+        uses: nttld/setup-ndk@v1
+        with:
+          ndk-version: r28
+      - 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: Update version
+        if: github.event_name == 'workflow_dispatch'
+        run: |-
+          go run -v ./cmd/internal/update_android_version --ci
+      - name: Update nightly version
+        if: github.event_name != 'workflow_dispatch'
+        run: |-
+          go run -v ./cmd/internal/update_android_version --ci --nightly
+      - name: Build
+        run: |-
+          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: ${{ secrets.LOCAL_PROPERTIES }}
+      - name: Prepare upload
+        run: |-
+          mkdir -p dist
+          cp clients/android/app/build/outputs/apk/play/release/*.apk dist
+          cp clients/android/app/build/outputs/apk/other/release/*-universal.apk dist
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: binary-android-apks
+          path: 'dist'
+  publish_android:
+    name: Publish Android
+    if: github.event_name == 'workflow_dispatch' && inputs.build == 'publish-android'
+    runs-on: ubuntu-latest
+    needs:
+      - calculate_version
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+          submodules: 'recursive'
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.24
+      - name: Setup Android NDK
+        id: setup-ndk
+        uses: nttld/setup-ndk@v1
+        with:
+          ndk-version: r28
+      - name: Setup OpenJDK
+        run: |-
+          sudo apt update && sudo apt install -y openjdk-17-jdk-headless
+          /usr/lib/jvm/java-17-openjdk-amd64/bin/java --version
+      - name: Set tag
+        run: |-
+          git ls-remote --exit-code --tags origin v${{ 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: ${{ github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Apple' || inputs.build == 'macOS-standalone' }}
+            platform: macos
+            scheme: SFM.System
+            destination: 'generic/platform=macOS'
+            archive: build/SFM.System.xcarchive
+            export: SFM.System/Export.plist
+            export_path: build/SFM.System
+    steps:
+      - name: Checkout
+        if: matrix.if
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+          submodules: 'recursive'
+      - name: Setup Go
+        if: matrix.if
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.24
+      - name: Setup Xcode stable
+        if: matrix.if && github.ref == 'refs/heads/main-next'
+        run: |-
+          sudo xcode-select -s /Applications/Xcode_16.2.app
+      - name: Setup Xcode beta
+        if: matrix.if && github.ref == 'refs/heads/dev-next'
+        run: |-
+          sudo xcode-select -s /Applications/Xcode_16.2.app
+      - name: Set tag
+        if: matrix.if
+        run: |-
+          git ls-remote --exit-code --tags origin v${{ 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 "${{ matrix.archive }}"
+          zip -r SFM.dSYMs.zip dSYMs
+          popd
+
+          mkdir -p dist
+          cp clients/apple/SFM.dmg "dist/SFM-${VERSION}-universal.dmg"
+          cp "clients/apple/${{ matrix.archive }}/SFM.dSYMs.zip" "dist/SFM-${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: 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: Upload builds
+        if: ${{ env.PUBLISHED == 'false' }}
+        run: |-
+          export PATH="$PATH:$HOME/go/bin"
+          ghr --replace --draft --prerelease -p 5 "v${VERSION}" dist
+        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
+        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_gvisor,with_dhcp,with_wireguard,with_clash_api,with_quic,with_utls,with_ech
-    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/lint.yml

@@ -28,10 +28,11 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ^1.23
+          go-version: ^1.24
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v6
         with:
           version: latest
           args: --timeout=30m
-          install-mode: binary
+          install-mode: binary
+          verify: false

.github/workflows/linux.yml

@@ -1,13 +1,22 @@
-name: Release to Linux repository
+name: Build Linux Packages
 
 on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: "Version name"
+        required: true
+        type: string
   release:
     types:
       - published
 
 jobs:
-  build:
+  calculate_version:
+    name: Calculate version
     runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.outputs.outputs.version }}
     steps:
       - name: Checkout
         uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
@@ -16,24 +25,163 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ^1.23
-      - name: Extract signing key
+          go-version: ^1.24
+      - name: Check input version
+        if: github.event_name == 'workflow_dispatch'
         run: |-
-          mkdir -p $HOME/.gnupg
-          cat > $HOME/.gnupg/sagernet.key <<EOF
-          ${{ secrets.GPG_KEY }}
-          echo "HOME=$HOME" >> "$GITHUB_ENV"
-          EOF
-          echo "HOME=$HOME" >> "$GITHUB_ENV"
-      - name: Publish release
-        uses: goreleaser/goreleaser-action@v6
+          echo "version=${{ 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 --ci --nightly
+      - name: Set outputs
+        id: outputs
+        run: |-
+          echo "version=$version" >> "$GITHUB_OUTPUT"
+  build:
+    name: Build binary
+    runs-on: ubuntu-latest
+    needs:
+      - calculate_version
+    strategy:
+      matrix:
+        include:
+          - { os: linux, arch: amd64, debian: amd64, rpm: x86_64, pacman: x86_64 }
+          - { os: linux, arch: "386", debian: i386, rpm: i386 }
+          - { os: linux, arch: arm, goarm: "6", debian: armel, rpm: armv6hl }
+          - { os: linux, arch: arm, goarm: "7", debian: armhf, rpm: armv7hl, pacman: armv7hl }
+          - { os: linux, arch: arm64, debian: arm64, rpm: aarch64, pacman: aarch64 }
+          - { os: linux, arch: mips64le, debian: mips64el, rpm: mips64el }
+          - { os: linux, arch: mipsle, debian: mipsel, rpm: mipsel }
+          - { os: linux, arch: s390x, debian: s390x, rpm: s390x }
+          - { os: linux, arch: ppc64le, debian: ppc64el, rpm: ppc64le }
+          - { os: linux, arch: riscv64, debian: riscv64, rpm: riscv64 }
+          - { os: linux, arch: loong64, debian: loongarch64, rpm: loongarch64 }
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
-          distribution: goreleaser-pro
-          version: latest
-          args: release -f .goreleaser.fury.yaml --clean
+          fetch-depth: 0
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.24
+      - name: Setup Android NDK
+        if: matrix.os == 'android'
+        uses: nttld/setup-ndk@v1
+        with:
+          ndk-version: r28
+          local-cache: true
+      - 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${{ needs.calculate_version.outputs.version }} -f
+      - name: Set build tags
+        run: |
+          set -xeuo pipefail
+          TAGS='with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_reality_server,with_acme,with_clash_api'
+          if [ ! '${{ matrix.legacy_go }}' = 'true' ]; then
+            TAGS="${TAGS},with_ech"
+          fi
+          echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
+      - name: Build
+        run: |
+          set -xeuo pipefail
+          mkdir -p dist
+          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
+          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' \
+          ./cmd/sing-box
         env:
+          CGO_ENABLED: "0"
+          GOOS: ${{ matrix.os }}
+          GOARCH: ${{ matrix.arch }}
+          GOARM: ${{ matrix.goarm }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}
-          FURY_TOKEN: ${{ secrets.FURY_TOKEN }}
-          NFPM_KEY_PATH: ${{ env.HOME }}/.gnupg/sagernet.key
-          NFPM_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+      - name: Set mtime
+        run: |-
+          TZ=UTC touch -t '197001010000' dist/sing-box
+      - name: Set name
+        if: ${{ ! contains(needs.calculate_version.outputs.version, '-') }}
+        run: |-
+          echo "NAME=sing-box" >> "$GITHUB_ENV"
+      - name: Set beta name
+        if: contains(needs.calculate_version.outputs.version, '-')
+        run: |-
+          echo "NAME=sing-box-beta" >> "$GITHUB_ENV"
+      - name: Set version
+        run: |-
+          PKG_VERSION="${{ needs.calculate_version.outputs.version }}"
+          PKG_VERSION="${PKG_VERSION//-/\~}"
+          echo "PKG_VERSION=${PKG_VERSION}" >> "${GITHUB_ENV}"
+      - name: Package DEB
+        if: matrix.debian != ''
+        run: |
+          set -xeuo pipefail
+          sudo gem install fpm
+          sudo apt-get install -y debsigs
+          cp .fpm_systemd .fpm
+          fpm -t deb \
+            --name "${NAME}" \
+            -v "$PKG_VERSION" \
+            -p "dist/${NAME}_${{ needs.calculate_version.outputs.version }}_linux_${{ matrix.debian }}.deb" \
+            --architecture ${{ matrix.debian }} \
+            dist/sing-box=/usr/bin/sing-box
+          curl -Lo '/tmp/debsigs.diff' 'https://gitlab.com/debsigs/debsigs/-/commit/160138f5de1ec110376d3c807b60a37388bc7c90.diff'
+          sudo patch /usr/bin/debsigs < '/tmp/debsigs.diff'
+          rm -rf $HOME/.gnupg
+          gpg --pinentry-mode loopback --passphrase "${{ secrets.GPG_PASSPHRASE }}" --import <<EOF
+          ${{ secrets.GPG_KEY }}
+          EOF
+          debsigs --sign=origin -k ${{ secrets.GPG_KEY_ID }} --gpgopts '--pinentry-mode loopback --passphrase "${{ secrets.GPG_PASSPHRASE }}"' dist/*.deb
+      - name: Package RPM
+        if: matrix.rpm != ''
+        run: |-
+          set -xeuo pipefail
+          sudo gem install fpm
+          cp .fpm_systemd .fpm
+          fpm -t rpm \
+            --name "${NAME}" \
+            -v "$PKG_VERSION" \
+            -p "dist/${NAME}_${{ needs.calculate_version.outputs.version }}_linux_${{ matrix.rpm }}.rpm" \
+            --architecture ${{ matrix.rpm }} \
+            dist/sing-box=/usr/bin/sing-box
+          cat > $HOME/.rpmmacros <<EOF
+          %_gpg_name ${{ secrets.GPG_KEY_ID }}
+          %_gpg_sign_cmd_extra_args --pinentry-mode loopback --passphrase ${{ secrets.GPG_PASSPHRASE }}
+          EOF
+          gpg --pinentry-mode loopback --passphrase "${{ secrets.GPG_PASSPHRASE }}" --import <<EOF
+          ${{ secrets.GPG_KEY }}
+          EOF
+          rpmsign --addsign dist/*.rpm
+      - name: Cleanup
+        run: rm dist/sing-box
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: binary-${{ matrix.os }}_${{ matrix.arch }}${{ matrix.goarm && format('v{0}', matrix.goarm) }}${{ matrix.legacy_go && '-legacy' || '' }}
+          path: "dist"
+  upload:
+    name: Upload builds
+    runs-on: ubuntu-latest
+    needs:
+      - calculate_version
+      - build
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+      - name: Set tag
+        run: |-
+          git ls-remote --exit-code --tags origin v${{ 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: Publish packages
+        run: |-
+          ls dist | xargs -I {} curl -F "package=@dist/{}" https://${{ secrets.FURY_TOKEN }}@push.fury.io/sagernet/

.golangci.yml

@@ -22,6 +22,16 @@ 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
 
 issues:
   exclude-dirs:

.goreleaser.fury.yaml

@@ -48,7 +48,7 @@ nfpms:
     contents:
       - src: release/config/config.json
         dst: /etc/sing-box/config.json
-        type: config
+        type: "config|noreplace"
 
       - src: release/config/sing-box.service
         dst: /usr/lib/systemd/system/sing-box.service

.goreleaser.yaml

@@ -52,7 +52,7 @@ builds:
     env:
       - CGO_ENABLED=0
       - GOROOT={{ .Env.GOPATH }}/go1.20.14
-    gobinary: "{{ .Env.GOPATH }}/go1.20.14/bin/go"
+    tool: "{{ .Env.GOPATH }}/go1.20.14/bin/go"
     targets:
       - windows_amd64_v1
       - windows_386
@@ -95,10 +95,12 @@ archives:
     builds:
       - main
       - android
-    format: tar.gz
+    formats:
+      - tar.gz
     format_overrides:
       - goos: windows
-        format: zip
+        formats:
+          - zip
     wrap_in_directory: true
     files:
       - LICENSE
@@ -128,7 +130,7 @@ nfpms:
     contents:
       - src: release/config/config.json
         dst: /etc/sing-box/config.json
-        type: config
+        type: "config|noreplace"
 
       - src: release/config/sing-box.service
         dst: /usr/lib/systemd/system/sing-box.service
@@ -200,4 +202,6 @@ release:
   ids:
     - archive
     - package
-  skip_upload: true
+  skip_upload: true
+partial:
+  by: target

Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.23-alpine AS builder
+FROM --platform=$BUILDPLATFORM golang:1.24-alpine AS builder
 LABEL maintainer="nekohasekai <contact-git@sekai.icu>"
 COPY . /go/src/github.com/sagernet/sing-box
 WORKDIR /go/src/github.com/sagernet/sing-box

Makefile

@@ -10,7 +10,7 @@ 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="
-MAIN_PARAMS = $(PARAMS) -tags $(TAGS)
+MAIN_PARAMS = $(PARAMS) -tags "$(TAGS)"
 MAIN = ./cmd/sing-box
 PREFIX ?= $(shell go env GOPATH)
 
@@ -28,7 +28,7 @@ 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) $(MAIN)
@@ -71,7 +71,7 @@ release:
 		dist/*_amd64.pkg.tar.zst \
 		dist/*_arm64.pkg.tar.zst \
 		dist/release
-	ghr --replace --draft --prerelease -p 3 "v${VERSION}" dist/release
+	ghr --replace --draft --prerelease -p 5 "v${VERSION}" dist/release
 	rm -r dist/release
 
 release_repo:
@@ -90,7 +90,7 @@ 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
@@ -99,9 +99,11 @@ publish_android:
 	cd ../sing-box-for-android && ./gradlew :app:publishPlayReleaseBundle && ./gradlew --stop
 
 # 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:
@@ -180,10 +182,22 @@ 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 +213,14 @@ 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
@@ -227,4 +247,4 @@ clean:
 update:
 	git fetch
 	git reset FETCH_HEAD --hard
-	git clean -fdx
+	git clean -fdx

adapter/connections.go

@@ -8,8 +8,7 @@ import (
 )
 
 type ConnectionManager interface {
-	Start() error
-	Close() error
+	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/endpoint/manager.go

@@ -35,7 +35,6 @@ func NewManager(logger log.ContextLogger, registry adapter.EndpointRegistry) *Ma
 
 func (m *Manager) Start(stage adapter.StartStage) error {
 	m.access.Lock()
-	defer m.access.Unlock()
 	if m.started && m.stage >= stage {
 		panic("already started")
 	}
@@ -43,9 +42,12 @@ func (m *Manager) Start(stage adapter.StartStage) error {
 	m.stage = stage
 	if stage == adapter.StartStateStart {
 		// started with outbound manager
+		m.access.Unlock()
 		return nil
 	}
-	for _, endpoint := range m.endpoints {
+	endpoints := m.endpoints
+	m.access.Unlock()
+	for _, endpoint := range endpoints {
 		err := adapter.LegacyStart(endpoint, stage)
 		if err != nil {
 			return E.Cause(err, stage, " endpoint/", endpoint.Type(), "[", endpoint.Tag(), "]")

adapter/experimental.go

@@ -33,23 +33,27 @@ type CacheFile interface {
 	StoreRDRC() bool
 	dns.RDRCStore
 
+	StoreWARPConfig() bool
+
 	LoadMode() string
 	StoreMode(mode string) error
 	LoadSelected(group string) string
 	StoreSelected(group string, selected string) error
 	LoadGroupExpand(group string) (isExpand bool, loaded bool)
 	StoreGroupExpand(group string, expand bool) error
-	LoadRuleSet(tag string) *SavedRuleSet
-	SaveRuleSet(tag string, set *SavedRuleSet) error
+	LoadRuleSet(tag string) *SavedBinary
+	SaveRuleSet(tag string, set *SavedBinary) error
+	LoadWARPConfig(tag string) *SavedBinary
+	SaveWARPConfig(tag string, set *SavedBinary) error
 }
 
-type SavedRuleSet struct {
+type SavedBinary struct {
 	Content     []byte
 	LastUpdated time.Time
 	LastEtag    string
 }
 
-func (s *SavedRuleSet) MarshalBinary() ([]byte, error) {
+func (s *SavedBinary) MarshalBinary() ([]byte, error) {
 	var buffer bytes.Buffer
 	err := binary.Write(&buffer, binary.BigEndian, uint8(1))
 	if err != nil {
@@ -70,7 +74,7 @@ func (s *SavedRuleSet) MarshalBinary() ([]byte, error) {
 	return buffer.Bytes(), nil
 }
 
-func (s *SavedRuleSet) UnmarshalBinary(data []byte) error {
+func (s *SavedBinary) UnmarshalBinary(data []byte) error {
 	reader := bytes.NewReader(data)
 	var version uint8
 	err := binary.Read(reader, binary.BigEndian, &version)

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

@@ -53,10 +53,11 @@ type InboundContext struct {
 
 	// sniffer
 
-	Protocol     string
-	Domain       string
-	Client       string
-	SniffContext any
+	Protocol         string
+	Domain           string
+	Client           string
+	SniffContext     any
+	PacketSniffError error
 
 	// cache
 
@@ -65,14 +66,17 @@ type InboundContext struct {
 	LastInbound              string
 	OriginDestination        M.Socksaddr
 	RouteOriginalDestination M.Socksaddr
-	// Deprecated
+	// Deprecated: to be removed
+	//nolint:staticcheck
 	InboundOptions            option.InboundOptions
 	UDPDisableDomainUnmapping bool
 	UDPConnect                bool
-	NetworkStrategy           C.NetworkStrategy
-	NetworkType               []C.InterfaceType
-	FallbackNetworkType       []C.InterfaceType
-	FallbackDelay             time.Duration
+	UDPTimeout                time.Duration
+
+	NetworkStrategy     *C.NetworkStrategy
+	NetworkType         []C.InterfaceType
+	FallbackNetworkType []C.InterfaceType
+	FallbackDelay       time.Duration
 
 	DNSServer string
 

adapter/network.go

@@ -25,10 +25,11 @@ type NetworkManager interface {
 	PackageManager() tun.PackageManager
 	WIFIState() WIFIState
 	ResetNetwork()
+	UpdateWIFIState()
 }
 
 type NetworkOptions struct {
-	NetworkStrategy     C.NetworkStrategy
+	NetworkStrategy     *C.NetworkStrategy
 	NetworkType         []C.InterfaceType
 	FallbackNetworkType []C.InterfaceType
 	FallbackDelay       time.Duration

adapter/outbound/default.go

@@ -1,157 +0,0 @@
-package outbound
-
-import (
-	"context"
-	"net"
-	"net/netip"
-	"os"
-	"time"
-
-	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/common/dialer"
-	C "github.com/sagernet/sing-box/constant"
-	"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 {
-	defer conn.Close()
-	ctx = adapter.WithContext(ctx, &metadata)
-	var outConn net.Conn
-	var err error
-	if len(metadata.DestinationAddresses) > 0 {
-		outConn, err = dialer.DialSerialNetwork(ctx, this, N.NetworkTCP, metadata.Destination, metadata.DestinationAddresses, metadata.NetworkStrategy, metadata.NetworkType, metadata.FallbackNetworkType, metadata.FallbackDelay)
-	} 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 {
-	defer conn.Close()
-	ctx = adapter.WithContext(ctx, &metadata)
-	var (
-		outPacketConn      net.PacketConn
-		outConn            net.Conn
-		destinationAddress netip.Addr
-		err                error
-	)
-	if metadata.UDPConnect {
-		if len(metadata.DestinationAddresses) > 0 {
-			if parallelDialer, isParallelDialer := this.(dialer.ParallelInterfaceDialer); isParallelDialer {
-				outConn, err = dialer.DialSerialNetwork(ctx, parallelDialer, N.NetworkUDP, metadata.Destination, metadata.DestinationAddresses, metadata.NetworkStrategy, metadata.NetworkType, metadata.FallbackNetworkType, metadata.FallbackDelay)
-			} else {
-				outConn, err = N.DialSerial(ctx, this, N.NetworkUDP, metadata.Destination, metadata.DestinationAddresses)
-			}
-		} else {
-			outConn, err = this.DialContext(ctx, N.NetworkUDP, metadata.Destination)
-		}
-		if err != nil {
-			return N.ReportHandshakeFailure(conn, err)
-		}
-		outPacketConn = bufio.NewUnbindPacketConn(outConn)
-		connRemoteAddr := M.AddrFromNet(outConn.RemoteAddr())
-		if connRemoteAddr != metadata.Destination.Addr {
-			destinationAddress = connRemoteAddr
-		}
-	} else {
-		if len(metadata.DestinationAddresses) > 0 {
-			outPacketConn, destinationAddress, err = dialer.ListenSerialNetworkPacket(ctx, this, metadata.Destination, metadata.DestinationAddresses, metadata.NetworkStrategy, metadata.NetworkType, metadata.FallbackNetworkType, metadata.FallbackDelay)
-		} else {
-			outPacketConn, err = this.ListenPacket(ctx, metadata.Destination)
-		}
-		if err != nil {
-			return N.ReportHandshakeFailure(conn, err)
-		}
-	}
-	err = N.ReportPacketConnHandshakeSuccess(conn, outPacketConn)
-	if err != nil {
-		outPacketConn.Close()
-		return err
-	}
-	if destinationAddress.IsValid() {
-		var originDestination M.Socksaddr
-		if metadata.RouteOriginalDestination.IsValid() {
-			originDestination = metadata.RouteOriginalDestination
-		} else {
-			originDestination = metadata.Destination
-		}
-		if metadata.Destination != M.SocksaddrFrom(destinationAddress, metadata.Destination.Port) {
-			if metadata.UDPDisableDomainUnmapping {
-				outPacketConn = bufio.NewUnidirectionalNATPacketConn(bufio.NewPacketConn(outPacketConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), originDestination)
-			} else {
-				outPacketConn = bufio.NewNATPacketConn(bufio.NewPacketConn(outPacketConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), originDestination)
-			}
-		}
-		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(outPacketConn))
-}
-
-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/router.go

@@ -38,7 +38,7 @@ type Router interface {
 	ClearDNSCache()
 	Rules() []Rule
 
-	SetTracker(tracker ConnectionTracker)
+	AppendTracker(tracker ConnectionTracker)
 
 	ResetNetwork()
 }

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

@@ -14,6 +14,7 @@ import (
 	"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/experimental"
 	"github.com/sagernet/sing-box/experimental/cachefile"
@@ -149,6 +150,14 @@ func New(options Options) (*Box, error) {
 	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, endpointOptions := range options.Endpoints {
 		var tag string
 		if endpointOptions.Tag != "" {
@@ -156,7 +165,15 @@ func New(options Options) (*Box, error) {
 		} else {
 			tag = F.ToString(i)
 		}
-		err = endpointManager.Create(ctx,
+		endpointCtx := ctx
+		if tag != "" {
+			// TODO: remove this
+			endpointCtx = adapter.WithContext(endpointCtx, &adapter.InboundContext{
+				Outbound: tag,
+			})
+		}
+		err = endpointManager.Create(
+			endpointCtx,
 			router,
 			logFactory.NewLogger(F.ToString("endpoint/", endpointOptions.Type, "[", tag, "]")),
 			tag,
@@ -174,7 +191,8 @@ func New(options Options) (*Box, error) {
 		} else {
 			tag = F.ToString(i)
 		}
-		err = inboundManager.Create(ctx,
+		err = inboundManager.Create(
+			ctx,
 			router,
 			logFactory.NewLogger(F.ToString("inbound/", inboundOptions.Type, "[", tag, "]")),
 			tag,
@@ -239,7 +257,7 @@ func New(options Options) (*Box, error) {
 		if err != nil {
 			return nil, E.Cause(err, "create clash-server")
 		}
-		router.SetTracker(clashServer)
+		router.AppendTracker(clashServer)
 		service.MustRegister[adapter.ClashServer](ctx, clashServer)
 		services = append(services, clashServer)
 	}
@@ -249,18 +267,17 @@ func New(options Options) (*Box, error) {
 			return nil, E.Cause(err, "create v2ray-server")
 		}
 		if v2rayServer.StatsService() != nil {
-			router.SetTracker(v2rayServer.StatsService())
+			router.AppendTracker(v2rayServer.StatsService())
 			services = append(services, v2rayServer)
 			service.MustRegister[adapter.V2RayServer](ctx, v2rayServer)
 		}
 	}
-	ntpOptions := common.PtrValueOrDefault(options.NTP)
 	if ntpOptions.Enabled {
 		ntpDialer, err := dialer.New(ctx, ntpOptions.DialerOptions)
 		if err != nil {
 			return nil, E.Cause(err, "create NTP service")
 		}
-		timeService := ntp.NewService(ntp.Options{
+		ntpService := ntp.NewService(ntp.Options{
 			Context:       ctx,
 			Dialer:        ntpDialer,
 			Logger:        logFactory.NewLogger("ntp"),
@@ -268,8 +285,8 @@ func New(options Options) (*Box, error) {
 			Interval:      time.Duration(ntpOptions.Interval),
 			WriteToSystem: ntpOptions.WriteToSystem,
 		})
-		service.MustRegister[ntp.TimeService](ctx, timeService)
-		services = append(services, adapter.NewLifecycleService(timeService, "ntp service"))
+		timeService.TimeService = ntpService
+		services = append(services, adapter.NewLifecycleService(ntpService, "ntp service"))
 	}
 	return &Box{
 		network:    networkManager,
@@ -336,11 +353,11 @@ func (s *Box) preStart() error {
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(adapter.StartStateInitialize, s.network, s.router, s.outbound, s.inbound, s.endpoint)
+	err = adapter.Start(adapter.StartStateInitialize, s.network, s.connection, s.router, s.outbound, s.inbound, s.endpoint)
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(adapter.StartStateStart, s.outbound, s.network, s.router)
+	err = adapter.Start(adapter.StartStateStart, s.outbound, s.network, s.connection, s.router)
 	if err != nil {
 		return err
 	}
@@ -364,7 +381,7 @@ func (s *Box) start() error {
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(adapter.StartStatePostStart, s.outbound, s.network, s.router, s.inbound, s.endpoint)
+	err = adapter.Start(adapter.StartStatePostStart, s.outbound, s.network, s.connection, s.router, s.inbound, s.endpoint)
 	if err != nil {
 		return err
 	}
@@ -372,7 +389,7 @@ func (s *Box) start() error {
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(adapter.StartStateStarted, s.network, s.router, s.outbound, s.inbound, s.endpoint)
+	err = adapter.Start(adapter.StartStateStarted, s.network, s.connection, s.router, s.outbound, s.inbound, s.endpoint)
 	if err != nil {
 		return err
 	}
@@ -391,7 +408,7 @@ func (s *Box) Close() error {
 		close(s.done)
 	}
 	err := common.Close(
-		s.inbound, s.outbound, s.router, s.network,
+		s.inbound, s.outbound, s.endpoint, s.router, s.connection, s.network,
 	)
 	for _, lifecycleService := range s.services {
 		err = E.Append(err, lifecycleService.Close(), func(err error) error {

cmd/internal/app_store_connect/main.go

@@ -0,0 +1,450 @@
+package main
+
+import (
+	"context"
+	"net/http"
+	"os"
+	"strconv"
+	"strings"
+	"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 {
+					if strings.Contains(err.Error(), "ANOTHER_BUILD_IN_REVIEW") {
+						log.Error(err)
+						break
+					}
+					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":
-		buildiOS()
+	case "apple":
+		buildApple()
 	}
 }
 
@@ -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 = "26.2.11394342"
+	const fixedVersion = "28.0.13004108"
 	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 +1,71 @@
 package main
 
 import (
+	"flag"
 	"os"
 
 	"github.com/sagernet/sing-box/cmd/internal/build_shared"
+	"github.com/sagernet/sing-box/common/badversion"
 	"github.com/sagernet/sing-box/log"
 )
 
+var (
+	flagRunInCI    bool
+	flagRunNightly bool
+)
+
+func init() {
+	flag.BoolVar(&flagRunInCI, "ci", false, "Run in CI")
+	flag.BoolVar(&flagRunNightly, "nightly", false, "Run nightly")
+}
+
 func main() {
-	currentTag, err := build_shared.ReadTag()
-	if err != nil {
-		log.Error(err)
-		_, err = os.Stdout.WriteString("unknown\n")
+	flag.Parse()
+	var (
+		versionStr string
+		err        error
+	)
+	if flagRunNightly {
+		var version badversion.Version
+		version, err = build_shared.ReadTagVersion()
+		if err == nil {
+			versionStr = version.String()
+		}
 	} else {
-		_, err = os.Stdout.WriteString(currentTag + "\n")
+		versionStr, err = build_shared.ReadTag()
 	}
-	if err != nil {
-		log.Error(err)
+	if flagRunInCI {
+		if err != nil {
+			log.Fatal(err)
+		}
+		err = setGitHubEnv("version", versionStr)
+		if err != nil {
+			log.Fatal(err)
+		}
+	} else {
+		if err != nil {
+			log.Error(err)
+			os.Stdout.WriteString("unknown\n")
+		} else {
+			os.Stdout.WriteString(versionStr + "\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 +13,26 @@ import (
 	"github.com/sagernet/sing/common"
 )
 
+var (
+	flagRunInCI    bool
+	flagRunNightly bool
+)
+
+func init() {
+	flag.BoolVar(&flagRunInCI, "ci", false, "Run in CI")
+	flag.BoolVar(&flagRunNightly, "nightly", false, "Run nightly")
+}
+
 func main() {
-	newVersion := common.Must1(build_shared.ReadTagVersion())
-	androidPath, err := filepath.Abs("../sing-box-for-android")
+	flag.Parse()
+	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)
 	}
@@ -31,22 +49,24 @@ func main() {
 	for _, propPair := range propsList {
 		switch propPair[0] {
 		case "VERSION_NAME":
-			if propPair[1] != newVersion.String() {
+			if propPair[1] != newVersion {
+				log.Info("updated version from ", propPair[1], " to ", newVersion)
 				versionUpdated = true
-				propPair[1] = newVersion.String()
-				log.Info("updated version to ", newVersion.String())
+				propPair[1] = newVersion
 			}
 		case "GO_VERSION":
 			if propPair[1] != runtime.Version() {
+				log.Info("updated Go version from ", propPair[1], " to ", runtime.Version())
 				goVersionUpdated = true
 				propPair[1] = runtime.Version()
-				log.Info("updated Go version to ", runtime.Version())
 			}
 		}
 	}
 	if !(versionUpdated || goVersionUpdated) {
 		log.Info("version not changed")
 		return
+	} else if flagRunInCI && !flagRunNightly {
+		log.Fatal("version changed, commit changes first.")
 	}
 	for _, propPair := range propsList {
 		switch propPair[0] {

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_generate_tls.go

@@ -30,7 +30,7 @@ func init() {
 }
 
 func generateTLSKeyPair(serverName string) error {
-	privateKeyPem, publicKeyPem, err := tls.GenerateKeyPair(time.Now, serverName, time.Now().AddDate(0, flagGenerateTLSKeyPairMonths, 0))
+	privateKeyPem, publicKeyPem, err := tls.GenerateCertificate(nil, nil, time.Now, serverName, time.Now().AddDate(0, flagGenerateTLSKeyPairMonths, 0))
 	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_match.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"io"
 	"os"
+	"path/filepath"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/srs"
@@ -56,6 +57,14 @@ func ruleSetMatch(sourcePath string, domain string) error {
 	if err != nil {
 		return E.Cause(err, "read rule-set")
 	}
+	if flagRuleSetMatchFormat == "" {
+		switch filepath.Ext(sourcePath) {
+		case ".json":
+			flagRuleSetMatchFormat = C.RuleSetFormatSource
+		case ".srs":
+			flagRuleSetMatchFormat = C.RuleSetFormatBinary
+		}
+	}
 	var ruleSet option.PlainRuleSetCompat
 	switch flagRuleSetMatchFormat {
 	case C.RuleSetFormatSource:

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_rule_set_upgrade.go

@@ -61,14 +61,15 @@ func upgradeRuleSet(sourcePath string) error {
 		log.Info("already up-to-date")
 		return nil
 	}
-	plainRuleSet, err := plainRuleSetCompat.Upgrade()
+	plainRuleSetCompat.Options, err = plainRuleSetCompat.Upgrade()
 	if err != nil {
 		return err
 	}
+	plainRuleSetCompat.Version = C.RuleSetVersionCurrent
 	buffer := new(bytes.Buffer)
 	encoder := json.NewEncoder(buffer)
 	encoder.SetIndent("", "  ")
-	err = encoder.Encode(plainRuleSet)
+	err = encoder.Encode(plainRuleSetCompat)
 	if err != nil {
 		return E.Cause(err, "encode config")
 	}

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")
 	}

cmd/sing-box/cmd_tools_fetch_http3.go

@@ -21,7 +21,7 @@ func initializeHTTP3Client(instance *box.Box) error {
 		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

@@ -4,7 +4,6 @@ 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"
@@ -58,7 +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")
 		}

common/cloudflare/api.go

@@ -0,0 +1,74 @@
+package cloudflare
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/tidwall/gjson"
+)
+
+type CloudflareApi struct {
+	client http.Client
+}
+
+func NewCloudflareApi(opts ...CloudflareApiOption) *CloudflareApi {
+	api := &CloudflareApi{http.Client{Timeout: 30 * time.Second}}
+	for _, opt := range opts {
+		opt(api)
+	}
+	return api
+}
+
+func (api *CloudflareApi) CreateProfile(ctx context.Context, publicKey string) (*CloudflareProfile, error) {
+	request, err := http.NewRequest("POST", "https://api.cloudflareclient.com/v0i1909051800/reg", strings.NewReader(
+		fmt.Sprintf(
+			"{\"install_id\":\"\",\"tos\":\"%s\",\"key\":\"%s\",\"fcm_token\":\"\",\"type\":\"ios\",\"locale\":\"en_US\"}",
+			time.Now().Format("2006-01-02T15:04:05.000Z"),
+			publicKey,
+		),
+	))
+	if err != nil {
+		return nil, err
+	}
+	response, err := api.client.Do(request.WithContext(ctx))
+	if err != nil {
+		return nil, err
+	}
+	defer response.Body.Close()
+	if response.StatusCode != 200 {
+		return nil, fmt.Errorf("status code is not 200")
+	}
+	content, err := io.ReadAll(response.Body)
+	if err != nil {
+		return nil, err
+	}
+	profile := new(CloudflareProfile)
+	return profile, json.NewDecoder(strings.NewReader(gjson.Get(string(content), "result").Raw)).Decode(profile)
+}
+
+func (api *CloudflareApi) GetProfile(ctx context.Context, authToken string, id string) (*CloudflareProfile, error) {
+	request, err := http.NewRequest("GET", "https://api.cloudflareclient.com/v0i1909051800/reg/"+id, nil)
+	if err != nil {
+		return nil, err
+	}
+	request.Header.Set("Authorization", "Bearer "+authToken)
+	response, err := api.client.Do(request.WithContext(ctx))
+	if err != nil {
+		return nil, err
+	}
+	defer response.Body.Close()
+	if response.StatusCode != 200 {
+		return nil, fmt.Errorf("status code is not 200")
+	}
+	content, err := io.ReadAll(response.Body)
+	if err != nil {
+		return nil, err
+	}
+	profile := new(CloudflareProfile)
+	return profile, json.NewDecoder(strings.NewReader(gjson.Get(string(content), "result").Raw)).Decode(profile)
+}

common/cloudflare/option.go

@@ -0,0 +1,17 @@
+package cloudflare
+
+import (
+	"context"
+	"net"
+	"net/http"
+)
+
+type CloudflareApiOption func(api *CloudflareApi)
+
+func WithDialContext(dialContext func(ctx context.Context, network, addr string) (net.Conn, error)) CloudflareApiOption {
+	return func(api *CloudflareApi) {
+		api.client.Transport = &http.Transport{
+			DialContext: dialContext,
+		}
+	}
+}

common/cloudflare/profile.go

@@ -0,0 +1,64 @@
+package cloudflare
+
+import "time"
+
+type CloudflareProfile struct {
+	ID      string `json:"id"`
+	Type    string `json:"type"`
+	Name    string `json:"name"`
+	Key     string `json:"key"`
+	Account struct {
+		ID                       string    `json:"id"`
+		AccountType              string    `json:"account_type"`
+		Created                  time.Time `json:"created"`
+		Updated                  time.Time `json:"updated"`
+		PremiumData              int       `json:"premium_data"`
+		Quota                    int       `json:"quota"`
+		Usage                    int       `json:"usage"`
+		WARPPlus                 bool      `json:"warp_plus"`
+		ReferralCount            int       `json:"referral_count"`
+		ReferralRenewalCountdown int       `json:"referral_renewal_countdown"`
+		Role                     string    `json:"role"`
+		License                  string    `json:"license"`
+		TTL                      time.Time `json:"ttl"`
+	} `json:"account"`
+	Config struct {
+		ClientID  string `json:"client_id"`
+		Interface struct {
+			Addresses struct {
+				V4 string `json:"v4"`
+				V6 string `json:"v6"`
+			} `json:"addresses"`
+		} `json:"interface"`
+		Peers []struct {
+			PublicKey string `json:"public_key"`
+			Endpoint  struct {
+				V4    string `json:"v4"`
+				V6    string `json:"v6"`
+				Host  string `json:"host"`
+				Ports []int  `json:"ports"`
+			} `json:"endpoint"`
+		} `json:"peers"`
+		Services struct {
+			HTTPProxy string `json:"http_proxy"`
+		} `json:"services"`
+		Metrics struct {
+			Ping   int `json:"ping"`
+			Report int `json:"report"`
+		} `json:"metrics"`
+	} `json:"config"`
+	Token           string    `json:"token"`
+	WARPEnabled     bool      `json:"warp_enabled"`
+	WaitlistEnabled bool      `json:"waitlist_enabled"`
+	Created         time.Time `json:"created"`
+	Updated         time.Time `json:"updated"`
+	Tos             time.Time `json:"tos"`
+	Place           int       `json:"place"`
+	Locale          string    `json:"locale"`
+	Enabled         bool      `json:"enabled"`
+	InstallID       string    `json:"install_id"`
+	FcmToken        string    `json:"fcm_token"`
+	Policy          struct {
+		TunnelProtocol string `json:"tunnel_protocol"`
+	} `json:"policy"`
+}

common/dialer/default.go

@@ -2,13 +2,16 @@ 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"
@@ -16,6 +19,7 @@ import (
 	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 (
@@ -24,31 +28,36 @@ var (
 )
 
 type DefaultDialer struct {
-	dialer4              tcpDialer
-	dialer6              tcpDialer
-	udpDialer4           net.Dialer
-	udpDialer6           net.Dialer
-	udpListener          net.ListenConfig
-	udpAddr4             string
-	udpAddr6             string
-	isWireGuardListener  bool
-	networkManager       adapter.NetworkManager
-	networkStrategy      C.NetworkStrategy
-	networkType          []C.InterfaceType
-	fallbackNetworkType  []C.InterfaceType
-	networkFallbackDelay time.Duration
-	networkLastFallback  atomic.TypedValue[time.Time]
+	dialer4                tcpDialer
+	dialer6                tcpDialer
+	udpDialer4             net.Dialer
+	udpDialer6             net.Dialer
+	udpListener            net.ListenConfig
+	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(networkManager adapter.NetworkManager, options option.DialerOptions) (*DefaultDialer, error) {
+func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDialer, error) {
+	networkManager := service.FromContext[adapter.NetworkManager](ctx)
+	platformInterface := service.FromContext[platform.Interface](ctx)
+
 	var (
-		dialer               net.Dialer
-		listener             net.ListenConfig
-		interfaceFinder      control.InterfaceFinder
-		networkStrategy      C.NetworkStrategy
-		networkType          []C.InterfaceType
-		fallbackNetworkType  []C.InterfaceType
-		networkFallbackDelay time.Duration
+		dialer                 net.Dialer
+		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()
@@ -74,39 +83,52 @@ func NewDefault(networkManager adapter.NetworkManager, options option.DialerOpti
 			listener.Control = control.Append(listener.Control, control.RoutingMark(autoRedirectOutputMark))
 		}
 	}
-	if C.NetworkStrategy(options.NetworkStrategy) != C.NetworkStrategyDefault {
-		if options.BindInterface != "" || options.Inet4BindAddress != nil || options.Inet6BindAddress != nil {
-			return nil, E.New("`network_strategy` is conflict with `bind_interface`, `inet4_bind_address` and `inet6_bind_address`")
-		}
-		networkStrategy = C.NetworkStrategy(options.NetworkStrategy)
-		networkType = common.Map(options.NetworkType, option.InterfaceType.Build)
-		fallbackNetworkType = common.Map(options.FallbackNetworkType, option.InterfaceType.Build)
-		networkFallbackDelay = time.Duration(options.NetworkFallbackDelay)
-		if networkManager == nil || !networkManager.AutoDetectInterface() {
-			return nil, E.New("`route.auto_detect_interface` is require by `network_strategy`")
+	disableDefaultBind := options.BindInterface != "" || options.Inet4BindAddress != nil || options.Inet6BindAddress != nil
+	if disableDefaultBind || options.TCPFastOpen {
+		if options.NetworkStrategy != nil || len(options.NetworkType) > 0 && options.FallbackNetworkType == nil && options.FallbackDelay == 0 {
+			return nil, E.New("`network_strategy` is conflict with `bind_interface`, `inet4_bind_address`, `inet6_bind_address` and `tcp_fast_open`")
 		}
 	}
-	if networkManager != nil && options.BindInterface == "" && options.Inet4BindAddress == nil && options.Inet6BindAddress == nil {
+
+	if networkManager != nil {
 		defaultOptions := networkManager.DefaultOptions()
-		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 defaultOptions.NetworkStrategy != C.NetworkStrategyDefault && C.NetworkStrategy(options.NetworkStrategy) == C.NetworkStrategyDefault {
-				networkStrategy = defaultOptions.NetworkStrategy
-				networkType = defaultOptions.NetworkType
-				fallbackNetworkType = defaultOptions.FallbackNetworkType
-				networkFallbackDelay = defaultOptions.FallbackDelay
-				bindFunc := networkManager.ProtectFunc()
-				dialer.Control = control.Append(dialer.Control, bindFunc)
-				listener.Control = control.Append(listener.Control, bindFunc)
-			} else {
-				bindFunc := networkManager.AutoDetectInterfaceFunc()
+		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 {
 		listener.Control = control.Append(listener.Control, control.ReuseAddr())
@@ -166,9 +188,6 @@ func NewDefault(networkManager adapter.NetworkManager, options option.DialerOpti
 			listener.Control = control.Append(listener.Control, controlFn)
 		}
 	}
-	if networkStrategy != C.NetworkStrategyDefault && options.TCPFastOpen {
-		return nil, E.New("`tcp_fast_open` is conflict with `network_strategy` or `route.default_network_strategy`")
-	}
 	tcpDialer4, err := newTCPDialer(dialer4, options.TCPFastOpen)
 	if err != nil {
 		return nil, err
@@ -178,19 +197,20 @@ func NewDefault(networkManager adapter.NetworkManager, options option.DialerOpti
 		return nil, err
 	}
 	return &DefaultDialer{
-		dialer4:              tcpDialer4,
-		dialer6:              tcpDialer6,
-		udpDialer4:           udpDialer4,
-		udpDialer6:           udpDialer6,
-		udpListener:          listener,
-		udpAddr4:             udpAddr4,
-		udpAddr6:             udpAddr6,
-		isWireGuardListener:  options.IsWireGuardListener,
-		networkManager:       networkManager,
-		networkStrategy:      networkStrategy,
-		networkType:          networkType,
-		fallbackNetworkType:  fallbackNetworkType,
-		networkFallbackDelay: networkFallbackDelay,
+		dialer4:                tcpDialer4,
+		dialer6:                tcpDialer6,
+		udpDialer4:             udpDialer4,
+		udpDialer6:             udpDialer6,
+		udpListener:            listener,
+		udpAddr4:               udpAddr4,
+		udpAddr6:               udpAddr6,
+		isWireGuardListener:    options.IsWireGuardListener,
+		networkManager:         networkManager,
+		networkStrategy:        networkStrategy,
+		defaultNetworkStrategy: defaultNetworkStrategy,
+		networkType:            networkType,
+		fallbackNetworkType:    fallbackNetworkType,
+		networkFallbackDelay:   networkFallbackDelay,
 	}, nil
 }
 
@@ -198,7 +218,7 @@ func (d *DefaultDialer) DialContext(ctx context.Context, network string, address
 	if !address.IsValid() {
 		return nil, E.New("invalid address")
 	}
-	if d.networkStrategy == C.NetworkStrategyDefault {
+	if d.networkStrategy == nil {
 		switch N.NetworkName(network) {
 		case N.NetworkUDP:
 			if !address.IsIPv6() {
@@ -217,12 +237,21 @@ func (d *DefaultDialer) DialContext(ctx context.Context, network string, address
 	}
 }
 
-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 == C.NetworkStrategyDefault {
+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 !d.networkManager.AutoDetectInterface() {
-		return nil, E.New("`route.auto_detect_interface` is require by `network_strategy`")
+	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 {
@@ -237,12 +266,18 @@ func (d *DefaultDialer) DialParallelInterface(ctx context.Context, network strin
 		err       error
 	)
 	if !fastFallback {
-		conn, isPrimary, err = d.dialParallelInterface(ctx, dialer, network, address.String(), strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+		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)
+		conn, isPrimary, err = d.dialParallelInterfaceFastFallback(ctx, dialer, network, address.String(), *strategy, interfaceType, fallbackInterfaceType, fallbackDelay, d.networkLastFallback.Store)
 	}
 	if err != nil {
-		return nil, err
+		// 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())
@@ -251,7 +286,7 @@ func (d *DefaultDialer) DialParallelInterface(ctx context.Context, network strin
 }
 
 func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	if d.networkStrategy == C.NetworkStrategyDefault {
+	if d.networkStrategy == nil {
 		if destination.IsIPv6() {
 			return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr6))
 		} else if destination.IsIPv4() && !destination.Addr.IsUnspecified() {
@@ -264,22 +299,51 @@ func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksadd
 	}
 }
 
-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 == C.NetworkStrategyDefault {
+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 !d.networkManager.AutoDetectInterface() {
-		return nil, E.New("`route.auto_detect_interface` is require by `network_strategy`")
+	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"
 	}
-	return trackPacketConn(d.listenSerialInterfacePacket(ctx, d.udpListener, network, "", strategy, interfaceType, fallbackInterfaceType, fallbackDelay))
+	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))
+	udpListener := d.udpListener
+	udpListener.Control = control.Append(udpListener.Control, func(network, address string, conn syscall.RawConn) error {
+		for _, wgControlFn := range WgControlFns {
+			err := wgControlFn(network, address, conn)
+			if err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+	return udpListener.ListenPacket(context.Background(), network, address)
 }
 
 func trackConn(conn net.Conn, err error) (net.Conn, error) {

common/dialer/default_parallel_interface.go

@@ -18,6 +18,7 @@ func (d *DefaultDialer) dialParallelInterface(ctx context.Context, dialer net.Di
 	if len(primaryInterfaces)+len(fallbackInterfaces) == 0 {
 		return nil, false, E.New("no available network interface")
 	}
+	defaultInterface := d.networkManager.InterfaceMonitor().DefaultInterface()
 	if fallbackDelay == 0 {
 		fallbackDelay = N.DefaultFallbackDelay
 	}
@@ -31,16 +32,18 @@ func (d *DefaultDialer) dialParallelInterface(ctx context.Context, dialer net.Di
 	results := make(chan dialResult) // unbuffered
 	startRacer := func(ctx context.Context, primary bool, iif adapter.NetworkInterface) {
 		perNetDialer := dialer
-		perNetDialer.Control = control.Append(perNetDialer.Control, control.BindToInterface(nil, iif.Name, iif.Index))
+		if defaultInterface == nil || iif.Index != defaultInterface.Index {
+			perNetDialer.Control = control.Append(perNetDialer.Control, control.BindToInterface(nil, iif.Name, iif.Index))
+		}
 		conn, err := perNetDialer.DialContext(ctx, network, addr)
 		if err != nil {
 			select {
-			case results <- dialResult{error: E.Cause(err, "dial ", iif.Name, " (", iif.Name, ")"), primary: primary}:
+			case results <- dialResult{error: E.Cause(err, "dial ", iif.Name, " (", iif.Index, ")"), primary: primary}:
 			case <-returned:
 			}
 		} else {
 			select {
-			case results <- dialResult{Conn: conn}:
+			case results <- dialResult{Conn: conn, primary: primary}:
 			case <-returned:
 				conn.Close()
 			}
@@ -89,6 +92,7 @@ func (d *DefaultDialer) dialParallelInterfaceFastFallback(ctx context.Context, d
 	if len(primaryInterfaces)+len(fallbackInterfaces) == 0 {
 		return nil, false, E.New("no available network interface")
 	}
+	defaultInterface := d.networkManager.InterfaceMonitor().DefaultInterface()
 	if fallbackDelay == 0 {
 		fallbackDelay = N.DefaultFallbackDelay
 	}
@@ -103,16 +107,18 @@ func (d *DefaultDialer) dialParallelInterfaceFastFallback(ctx context.Context, d
 	results := make(chan dialResult) // unbuffered
 	startRacer := func(ctx context.Context, primary bool, iif adapter.NetworkInterface) {
 		perNetDialer := dialer
-		perNetDialer.Control = control.Append(perNetDialer.Control, control.BindToInterface(nil, iif.Name, iif.Index))
+		if defaultInterface == nil || iif.Index != defaultInterface.Index {
+			perNetDialer.Control = control.Append(perNetDialer.Control, control.BindToInterface(nil, iif.Name, iif.Index))
+		}
 		conn, err := perNetDialer.DialContext(ctx, network, addr)
 		if err != nil {
 			select {
-			case results <- dialResult{error: E.Cause(err, "dial ", iif.Name, " (", iif.Name, ")"), primary: primary}:
+			case results <- dialResult{error: E.Cause(err, "dial ", iif.Name, " (", iif.Index, ")"), primary: primary}:
 			case <-returned:
 			}
 		} else {
 			select {
-			case results <- dialResult{Conn: conn}:
+			case results <- dialResult{Conn: conn, primary: primary}:
 			case <-returned:
 				if primary && time.Since(startAt) <= fallbackDelay {
 					resetFastFallback(time.Time{})
@@ -149,27 +155,29 @@ func (d *DefaultDialer) listenSerialInterfacePacket(ctx context.Context, listene
 	if len(primaryInterfaces)+len(fallbackInterfaces) == 0 {
 		return nil, E.New("no available network interface")
 	}
-	if fallbackDelay == 0 {
-		fallbackDelay = N.DefaultFallbackDelay
-	}
+	defaultInterface := d.networkManager.InterfaceMonitor().DefaultInterface()
 	var errors []error
 	for _, primaryInterface := range primaryInterfaces {
 		perNetListener := listener
-		perNetListener.Control = control.Append(perNetListener.Control, control.BindToInterface(nil, primaryInterface.Name, primaryInterface.Index))
+		if defaultInterface == nil || primaryInterface.Index != defaultInterface.Index {
+			perNetListener.Control = control.Append(perNetListener.Control, control.BindToInterface(nil, primaryInterface.Name, primaryInterface.Index))
+		}
 		conn, err := perNetListener.ListenPacket(ctx, network, addr)
 		if err == nil {
 			return conn, nil
 		}
-		errors = append(errors, E.Cause(err, "listen ", primaryInterface.Name, " (", primaryInterface.Name, ")"))
+		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))
+		if defaultInterface == nil || fallbackInterface.Index != defaultInterface.Index {
+			perNetListener.Control = control.Append(perNetListener.Control, control.BindToInterface(nil, fallbackInterface.Name, fallbackInterface.Index))
+		}
 		conn, err := perNetListener.ListenPacket(ctx, network, addr)
 		if err == nil {
 			return conn, nil
 		}
-		errors = append(errors, E.Cause(err, "listen ", fallbackInterface.Name, " (", fallbackInterface.Name, ")"))
+		errors = append(errors, E.Cause(err, "listen ", fallbackInterface.Name, " (", fallbackInterface.Index, ")"))
 	}
 	return nil, E.Errors(errors...)
 }
@@ -180,44 +188,57 @@ func selectInterfaces(networkManager adapter.NetworkManager, strategy C.NetworkS
 	case C.NetworkStrategyDefault:
 		if len(interfaceType) == 0 {
 			defaultIf := networkManager.InterfaceMonitor().DefaultInterface()
-			for _, iif := range interfaces {
-				if iif.Index == defaultIf.Index {
-					primaryInterfaces = append(primaryInterfaces, iif)
-				} else {
-					fallbackInterfaces = append(fallbackInterfaces, iif)
+			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(iif adapter.NetworkInterface) bool {
-				return common.Contains(interfaceType, iif.Type)
+			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(iif adapter.NetworkInterface) bool {
-				return common.Contains(interfaceType, iif.Type)
+			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()
-			for _, iif := range interfaces {
-				if iif.Index == defaultIf.Index {
-					primaryInterfaces = append(primaryInterfaces, iif)
-				} else {
-					fallbackInterfaces = append(fallbackInterfaces, iif)
+			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(iif adapter.NetworkInterface) bool {
-				return common.Contains(interfaceType, iif.Type)
+			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)
 			})
 		}
-		fallbackInterfaces = common.Filter(interfaces, func(iif adapter.NetworkInterface) bool {
-			return common.Contains(fallbackInterfaceType, iif.Type)
-		})
 	}
 	return primaryInterfaces, fallbackInterfaces
 }

common/dialer/default_parallel_network.go

@@ -13,7 +13,13 @@ import (
 	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) {
+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)
 	}
@@ -38,7 +44,14 @@ func DialSerialNetwork(ctx context.Context, dialer N.Dialer, network string, des
 	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) {
+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
 	}
@@ -116,7 +129,13 @@ func DialParallelNetwork(ctx context.Context, dialer ParallelInterfaceDialer, ne
 	}
 }
 
-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) {
+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)
 	}

common/dialer/dialer.go

@@ -17,16 +17,15 @@ import (
 )
 
 func New(ctx context.Context, options option.DialerOptions) (N.Dialer, error) {
-	networkManager := service.FromContext[adapter.NetworkManager](ctx)
 	if options.IsWireGuardListener {
-		return NewDefault(networkManager, options)
+		return NewDefault(ctx, options)
 	}
 	var (
 		dialer N.Dialer
 		err    error
 	)
 	if options.Detour == "" {
-		dialer, err = NewDefault(networkManager, options)
+		dialer, err = NewDefault(ctx, options)
 		if err != nil {
 			return nil, err
 		}
@@ -37,9 +36,6 @@ func New(ctx context.Context, options option.DialerOptions) (N.Dialer, error) {
 		}
 		dialer = NewDetour(outboundManager, options.Detour)
 	}
-	if networkManager == nil {
-		return NewDefault(networkManager, options)
-	}
 	if options.Detour == "" {
 		router := service.FromContext[adapter.Router](ctx)
 		if router != nil {
@@ -58,11 +54,10 @@ func NewDirect(ctx context.Context, options option.DialerOptions) (ParallelInter
 	if options.Detour != "" {
 		return nil, E.New("`detour` is not supported in direct context")
 	}
-	networkManager := service.FromContext[adapter.NetworkManager](ctx)
 	if options.IsWireGuardListener {
-		return NewDefault(networkManager, options)
+		return NewDefault(ctx, options)
 	}
-	dialer, err := NewDefault(networkManager, options)
+	dialer, err := NewDefault(ctx, options)
 	if err != nil {
 		return nil, err
 	}
@@ -77,11 +72,11 @@ func NewDirect(ctx context.Context, options option.DialerOptions) (ParallelInter
 
 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)
+	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)
+	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

@@ -106,7 +106,7 @@ 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 *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) {
+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)
 	}
@@ -134,7 +134,7 @@ func (d *resolveParallelNetworkDialer) DialParallelInterface(ctx context.Context
 	}
 }
 
-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) {
+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)
 	}

common/humanize/bytes.go

@@ -1,158 +0,0 @@
-package humanize
-
-import (
-	"fmt"
-	"math"
-	"strconv"
-	"strings"
-	"unicode"
-)
-
-// IEC Sizes.
-// kibis of bits
-const (
-	Byte = 1 << (iota * 10)
-	KiByte
-	MiByte
-	GiByte
-	TiByte
-	PiByte
-	EiByte
-)
-
-// SI Sizes.
-const (
-	IByte = 1
-	KByte = IByte * 1000
-	MByte = KByte * 1000
-	GByte = MByte * 1000
-	TByte = GByte * 1000
-	PByte = TByte * 1000
-	EByte = PByte * 1000
-)
-
-var defaultSizeTable = map[string]uint64{
-	"b":   Byte,
-	"kib": KiByte,
-	"kb":  KByte,
-	"mib": MiByte,
-	"mb":  MByte,
-	"gib": GiByte,
-	"gb":  GByte,
-	"tib": TiByte,
-	"tb":  TByte,
-	"pib": PiByte,
-	"pb":  PByte,
-	"eib": EiByte,
-	"eb":  EByte,
-	// Without suffix
-	"":   Byte,
-	"ki": KiByte,
-	"k":  KByte,
-	"mi": MiByte,
-	"m":  MByte,
-	"gi": GiByte,
-	"g":  GByte,
-	"ti": TiByte,
-	"t":  TByte,
-	"pi": PiByte,
-	"p":  PByte,
-	"ei": EiByte,
-	"e":  EByte,
-}
-
-var memorysSizeTable = map[string]uint64{
-	"b":  Byte,
-	"kb": KiByte,
-	"mb": MiByte,
-	"gb": GiByte,
-	"tb": TiByte,
-	"pb": PiByte,
-	"eb": EiByte,
-	"":   Byte,
-	"k":  KiByte,
-	"m":  MiByte,
-	"g":  GiByte,
-	"t":  TiByte,
-	"p":  PiByte,
-	"e":  EiByte,
-}
-
-var (
-	defaultSizes = []string{"B", "kB", "MB", "GB", "TB", "PB", "EB"}
-	iSizes       = []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB"}
-)
-
-func Bytes(s uint64) string {
-	return humanateBytes(s, 1000, defaultSizes)
-}
-
-func MemoryBytes(s uint64) string {
-	return humanateBytes(s, 1024, defaultSizes)
-}
-
-func IBytes(s uint64) string {
-	return humanateBytes(s, 1024, iSizes)
-}
-
-func logn(n, b float64) float64 {
-	return math.Log(n) / math.Log(b)
-}
-
-func humanateBytes(s uint64, base float64, sizes []string) string {
-	if s < 10 {
-		return fmt.Sprintf("%d B", s)
-	}
-	e := math.Floor(logn(float64(s), base))
-	suffix := sizes[int(e)]
-	val := math.Floor(float64(s)/math.Pow(base, e)*10+0.5) / 10
-	f := "%.0f %s"
-	if val < 10 {
-		f = "%.1f %s"
-	}
-
-	return fmt.Sprintf(f, val, suffix)
-}
-
-func ParseBytes(s string) (uint64, error) {
-	return parseBytes0(s, defaultSizeTable)
-}
-
-func ParseMemoryBytes(s string) (uint64, error) {
-	return parseBytes0(s, memorysSizeTable)
-}
-
-func parseBytes0(s string, sizeTable map[string]uint64) (uint64, error) {
-	lastDigit := 0
-	hasComma := false
-	for _, r := range s {
-		if !(unicode.IsDigit(r) || r == '.' || r == ',') {
-			break
-		}
-		if r == ',' {
-			hasComma = true
-		}
-		lastDigit++
-	}
-
-	num := s[:lastDigit]
-	if hasComma {
-		num = strings.Replace(num, ",", "", -1)
-	}
-
-	f, err := strconv.ParseFloat(num, 64)
-	if err != nil {
-		return 0, err
-	}
-
-	extra := strings.ToLower(strings.TrimSpace(s[lastDigit:]))
-	if m, ok := sizeTable[extra]; ok {
-		f *= float64(m)
-		if f >= math.MaxUint64 {
-			return 0, fmt.Errorf("too large: %v", s)
-		}
-		return uint64(f), nil
-	}
-
-	return 0, fmt.Errorf("unhandled size name: %v", extra)
-}

common/mux/router.go

@@ -41,10 +41,10 @@ func NewRouterWithOptions(router adapter.ConnectionRouterEx, logger logger.Conte
 		NewStreamContext: func(ctx context.Context, conn net.Conn) context.Context {
 			return log.ContextWithNewID(ctx)
 		},
-		Logger:  logger,
-		Handler: adapter.NewRouteContextHandler(router, logger),
-		Padding: options.Padding,
-		Brutal:  brutalOptions,
+		Logger:    logger,
+		HandlerEx: adapter.NewRouteContextHandlerEx(router),
+		Padding:   options.Padding,
+		Brutal:    brutalOptions,
 	})
 	if err != nil {
 		return nil, err
@@ -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/process/searcher_windows.go

@@ -124,14 +124,6 @@ func (s *searcher) Search(b []byte, ip netip.Addr, port uint16) (uint32, error)
 	for i := 0; i < n; i++ {
 		row := b[4+itemSize*i : 4+itemSize*(i+1)]
 
-		if s.tcpState >= 0 {
-			tcpState := readNativeUint32(row[s.tcpState : s.tcpState+4])
-			// MIB_TCP_STATE_ESTAB, only check established connections for TCP
-			if tcpState != 5 {
-				continue
-			}
-		}
-
 		// according to MSDN, only the lower 16 bits of dwLocalPort are used and the port number is in network endian.
 		// this field can be illustrated as follows depends on different machine endianess:
 		//     little endian: [ MSB LSB  0   0  ]   interpret as native uint32 is ((LSB<<8)|MSB)
@@ -144,7 +136,7 @@ func (s *searcher) Search(b []byte, ip netip.Addr, port uint16) (uint32, error)
 
 		srcIP, _ := netip.AddrFromSlice(row[s.ip : s.ip+s.ipSize])
 		// windows binds an unbound udp socket to 0.0.0.0/[::] while first sendto
-		if ip != srcIP && (!srcIP.IsUnspecified() || s.tcpState != -1) {
+		if ip != srcIP && (!srcIP.IsUnspecified()) {
 			continue
 		}
 

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/sniff/bittorrent.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
+	E "github.com/sagernet/sing/common/exceptions"
 )
 
 const (
@@ -23,21 +24,26 @@ func BitTorrent(_ context.Context, metadata *adapter.InboundContext, reader io.R
 	var first byte
 	err := binary.Read(reader, binary.BigEndian, &first)
 	if err != nil {
-		return err
+		return E.Cause1(ErrNeedMoreData, err)
 	}
 
 	if first != 19 {
 		return os.ErrInvalid
 	}
 
+	const header = "BitTorrent protocol"
 	var protocol [19]byte
-	_, err = reader.Read(protocol[:])
-	if err != nil {
-		return err
-	}
-	if string(protocol[:]) != "BitTorrent protocol" {
+	var n int
+	n, err = reader.Read(protocol[:])
+	if string(protocol[:n]) != header[:n] {
 		return os.ErrInvalid
 	}
+	if err != nil {
+		return E.Cause1(ErrNeedMoreData, err)
+	}
+	if n < 19 {
+		return ErrNeedMoreData
+	}
 
 	metadata.Protocol = C.ProtocolBitTorrent
 	return nil
@@ -67,7 +73,9 @@ func UTP(_ context.Context, metadata *adapter.InboundContext, packet []byte) err
 		if err != nil {
 			return err
 		}
-
+		if extension > 0x04 {
+			return os.ErrInvalid
+		}
 		var length byte
 		err = binary.Read(reader, binary.BigEndian, &length)
 		if err != nil {

common/sniff/bittorrent_test.go

@@ -32,6 +32,27 @@ func TestSniffBittorrent(t *testing.T) {
 	}
 }
 
+func TestSniffIncompleteBittorrent(t *testing.T) {
+	t.Parallel()
+
+	pkt, err := hex.DecodeString("13426974546f7272656e74")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.BitTorrent(context.TODO(), &metadata, bytes.NewReader(pkt))
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
+}
+
+func TestSniffNotBittorrent(t *testing.T) {
+	t.Parallel()
+
+	pkt, err := hex.DecodeString("13426974546f7272656e75")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.BitTorrent(context.TODO(), &metadata, bytes.NewReader(pkt))
+	require.NotEmpty(t, err)
+	require.NotErrorIs(t, err, sniff.ErrNeedMoreData)
+}
+
 func TestSniffUTP(t *testing.T) {
 	t.Parallel()
 
@@ -71,3 +92,19 @@ func TestSniffUDPTracker(t *testing.T) {
 		require.Equal(t, C.ProtocolBitTorrent, metadata.Protocol)
 	}
 }
+
+func TestSniffNotUTP(t *testing.T) {
+	t.Parallel()
+
+	packets := []string{
+		"0102736470696e674958d580121500000000000079aaed6717a39c27b07c0c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+	}
+	for _, pkt := range packets {
+		pkt, err := hex.DecodeString(pkt)
+		require.NoError(t, err)
+
+		var metadata adapter.InboundContext
+		err = sniff.UTP(context.TODO(), &metadata, pkt)
+		require.Error(t, err)
+	}
+}

common/sniff/dns.go

@@ -5,14 +5,11 @@ import (
 	"encoding/binary"
 	"io"
 	"os"
-	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/buf"
-	M "github.com/sagernet/sing/common/metadata"
-	"github.com/sagernet/sing/common/task"
+	E "github.com/sagernet/sing/common/exceptions"
 
 	mDNS "github.com/miekg/dns"
 )
@@ -21,35 +18,40 @@ func StreamDomainNameQuery(readCtx context.Context, metadata *adapter.InboundCon
 	var length uint16
 	err := binary.Read(reader, binary.BigEndian, &length)
 	if err != nil {
-		return os.ErrInvalid
+		return E.Cause1(ErrNeedMoreData, err)
 	}
-	if length == 0 {
+	if length < 12 {
 		return os.ErrInvalid
 	}
 	buffer := buf.NewSize(int(length))
 	defer buffer.Release()
-	readCtx, cancel := context.WithTimeout(readCtx, time.Millisecond*100)
-	var readTask task.Group
-	readTask.Append0(func(ctx context.Context) error {
-		return common.Error(buffer.ReadFullFrom(reader, buffer.FreeLen()))
-	})
-	err = readTask.Run(readCtx)
-	cancel()
-	if err != nil {
-		return err
+	var n int
+	n, err = buffer.ReadFullFrom(reader, buffer.FreeLen())
+	packet := buffer.Bytes()
+	if n > 2 && packet[2]&0x80 != 0 { // QR
+		return os.ErrInvalid
 	}
-	return DomainNameQuery(readCtx, metadata, buffer.Bytes())
+	if n > 5 && packet[4] == 0 && packet[5] == 0 { // QDCOUNT
+		return os.ErrInvalid
+	}
+	for i := 6; i < 10; i++ {
+		// ANCOUNT, NSCOUNT
+		if n > i && packet[i] != 0 {
+			return os.ErrInvalid
+		}
+	}
+	if err != nil {
+		return E.Cause1(ErrNeedMoreData, err)
+	}
+	return DomainNameQuery(readCtx, metadata, packet)
 }
 
 func DomainNameQuery(ctx context.Context, metadata *adapter.InboundContext, packet []byte) error {
 	var msg mDNS.Msg
 	err := msg.Unpack(packet)
-	if err != nil {
+	if err != nil || msg.Response || len(msg.Question) == 0 || len(msg.Answer) > 0 || len(msg.Ns) > 0 {
 		return err
 	}
-	if len(msg.Question) == 0 || msg.Question[0].Qclass != mDNS.ClassINET || !M.IsDomainName(msg.Question[0].Name) {
-		return os.ErrInvalid
-	}
 	metadata.Protocol = C.ProtocolDNS
 	return nil
 }

common/sniff/dns_test.go

@@ -0,0 +1,53 @@
+package sniff_test
+
+import (
+	"bytes"
+	"context"
+	"encoding/hex"
+	"testing"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/sniff"
+	C "github.com/sagernet/sing-box/constant"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestSniffDNS(t *testing.T) {
+	t.Parallel()
+	query, err := hex.DecodeString("740701000001000000000000012a06676f6f676c6503636f6d0000010001")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.DomainNameQuery(context.TODO(), &metadata, query)
+	require.NoError(t, err)
+	require.Equal(t, C.ProtocolDNS, metadata.Protocol)
+}
+
+func TestSniffStreamDNS(t *testing.T) {
+	t.Parallel()
+	query, err := hex.DecodeString("001e740701000001000000000000012a06676f6f676c6503636f6d0000010001")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.StreamDomainNameQuery(context.TODO(), &metadata, bytes.NewReader(query))
+	require.NoError(t, err)
+	require.Equal(t, C.ProtocolDNS, metadata.Protocol)
+}
+
+func TestSniffIncompleteStreamDNS(t *testing.T) {
+	t.Parallel()
+	query, err := hex.DecodeString("001e740701000001000000000000")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.StreamDomainNameQuery(context.TODO(), &metadata, bytes.NewReader(query))
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
+}
+
+func TestSniffNotStreamDNS(t *testing.T) {
+	t.Parallel()
+	query, err := hex.DecodeString("001e740701000000000000000000")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.StreamDomainNameQuery(context.TODO(), &metadata, bytes.NewReader(query))
+	require.NotEmpty(t, err)
+	require.NotErrorIs(t, err, sniff.ErrNeedMoreData)
+}

common/sniff/http.go

@@ -3,10 +3,12 @@ package sniff
 import (
 	std_bufio "bufio"
 	"context"
+	"errors"
 	"io"
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
+	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	"github.com/sagernet/sing/protocol/http"
 )
@@ -14,7 +16,11 @@ import (
 func HTTPHost(_ context.Context, metadata *adapter.InboundContext, reader io.Reader) error {
 	request, err := http.ReadRequest(std_bufio.NewReader(reader))
 	if err != nil {
-		return err
+		if errors.Is(err, io.ErrUnexpectedEOF) {
+			return E.Cause1(ErrNeedMoreData, err)
+		} else {
+			return err
+		}
 	}
 	metadata.Protocol = C.ProtocolHTTP
 	metadata.Domain = M.ParseSocksaddr(request.Host).AddrString()

common/sniff/quic.go

@@ -20,8 +20,6 @@ import (
 	"golang.org/x/crypto/hkdf"
 )
 
-var ErrClientHelloFragmented = E.New("need more packet for chromium QUIC connection")
-
 func QUICClientHello(ctx context.Context, metadata *adapter.InboundContext, packet []byte) error {
 	reader := bytes.NewReader(packet)
 	typeByte, err := reader.ReadByte()
@@ -308,7 +306,7 @@ find:
 		metadata.Protocol = C.ProtocolQUIC
 		metadata.Client = C.ClientChromium
 		metadata.SniffContext = fragments
-		return ErrClientHelloFragmented
+		return E.Cause1(ErrNeedMoreData, err)
 	}
 	metadata.Domain = fingerprint.ServerName
 	for metadata.Client == "" {

common/sniff/quic_test.go

@@ -12,6 +12,26 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+func TestSniffQUICChromeNew(t *testing.T) {
+	t.Parallel()
+	pkt, err := hex.DecodeString("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")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
+	require.Equal(t, metadata.Protocol, C.ProtocolQUIC)
+	require.Equal(t, metadata.Client, C.ClientChromium)
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
+	pkt, err = hex.DecodeString("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")
+	require.NoError(t, err)
+	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
+	pkt, err = hex.DecodeString("c20000000108e241a0c601413b4f004046006d8f15dae9999edf39d58df6762822b9a2ab996d7f6a10044338af3b51b1814bc4ac0fa5a87c34c6ae604af8cabc5957c5240174deefc8e378719ffdab2ae4e15bf4514bea4489e2ff30c43a5f63beb2e4501ce7754085bcbe838003a0b4bccb53863c0766df7eac073c2bdc170772b157997945acdc2ab2e84750cc9aa0ffa0fdc023da7fc565a14f87f7c563dbc9183dd226aab79957d263f66e64b85a1b15a24516bd2c7c04eea4fa0a34ef9849c21585db2e4adb7c05e265c4f38d8ffe4cbed0f3b0e68f3693bf1f726c3fb135b8e32a5d22931d7c55fc2ff4b9a354933ab14544df3cdaf3e3217dfb8d7feb3465dc34df6320ea486f12e5b2d609aaa5f4515c20c86fc440f8087be0ee3d339835746ae2573c2afdee6bb6ef7e9eb541feae9209391b2902cfb0bdaccd9da8d290714638b7da588d4a656ca6eabba78b7363922d6037cf060b161a42019d4feb4156459103cffdeefd0e63114af2b0e0c39e70ebc7fecb8dd1ebb8d60b2137f509bb7dcef5f1d3e06ab1d391466652d57440a410fb4f58a6ce1fb62feb453241f64e110709f59a3d9ebdac94f811337d0e4a80fd6b56b2a70cd6eebbf98e1661291da6bf5beb8b8afc376dfd20eb76afe709e8e8f28e0ef82105954e346546ad25973df43f4acddbec0ffd9b215f62abebebf71305b5ea993560316f69430bf5afe50420340622f802b5830f3bcebffff04980c75a59d28902879e5d51a4fb21062a4ae13c42297075b21d54ee04303879c1157e7470c1451673c98a2f3921f2f3e8f6acfe85b01caaca66b59e5ebffbfe68e5e9ab17e9a1b857eb409df91cb76767fc1814fd3c522a9b117edd0b02526e469cb4afb291a4dcc74c79b47ec6e7ce558c597129366f83ec306b11d2598c705fd4ee9ee99df6b7039bef13b08fc6f26853ad213829d24f895747d45a47414f931c583fb6c3e4f6c27d0c2b81a5f3cee390ec6314e1fec637e8d28b675e97caafdfbf8c25d34a635083a7553d219dd80dbb39087d74c6ad6192ca6f48a3ff8d47db41b2a492c63fcd780012780931dae0a325f9dcbd772d09a700f132c4bc1d9809b25b9751b694eb72a8ba4db7208d2b1bab63e1845208e4f841ea30218a559db98751589716b6d059ca673378f5fe7c7d8a1c82e14a561c47313bbcc278412ba86ffb2b87ec308eab9df696f5b4b54f8e361731bf232820a02a35fda7e5d4bf01b8f005ad299a055116e7b23c181f15a66442cf6032ca477bccc55b79d424eb4f245847bd81a581dc369dd20b1a4892733bde3c38e492c0039f69f2b947a4dc251a49ee7ccc0f36b3b75a555fa1d126db75f94dab60f52f6b15a877a0c380b59f82d35c570bc5f8051e9ef87db51f52383d47b50829b7f9e947ccc67aa280566aa48b4a85c1c7eca6f542789d8abcc050f1aa3cc221b6859656a21454aa21c7bfb9d12115f61c3ed46263ade68a8d3679fa62a659a5da7817406bd16618fccf33ed208ada1b03584e8b485d3cb6ed80a0774e60b6cd55aff64169ea998cf8235997049515abac58e0169ca07fb1c8c4c8b2803ba9d27b44c045d0a1cac86e5e188195c68001f53eb44851b6d821fc01ccbb41e27f38e6ddd66540c2d62ed6e0d551e22c0f26b60078c74a6302a1ed3d9e8fc0861257a63f6ac4e759fd54bff088becd28e30944a6c15db4fc8ae6244346869add946d9d92c430d737e042fa18b28a8ed64d1e8987ad9061cdc1335f")
+	require.NoError(t, err)
+	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
+	require.NoError(t, err)
+	require.Equal(t, "www.google.com", metadata.Domain)
+}
+
 func TestSniffQUICChromium(t *testing.T) {
 	t.Parallel()
 	pkt, err := hex.DecodeString("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")
@@ -20,7 +40,7 @@ func TestSniffQUICChromium(t *testing.T) {
 	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
 	require.Equal(t, metadata.Protocol, C.ProtocolQUIC)
 	require.Equal(t, metadata.Client, C.ClientChromium)
-	require.ErrorIs(t, err, sniff.ErrClientHelloFragmented)
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
 	pkt, err = hex.DecodeString("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")
 	require.NoError(t, err)
 	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)

common/sniff/rdp.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
+	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/rw"
 )
 
@@ -15,7 +16,7 @@ func RDP(_ context.Context, metadata *adapter.InboundContext, reader io.Reader)
 	var tpktVersion uint8
 	err := binary.Read(reader, binary.BigEndian, &tpktVersion)
 	if err != nil {
-		return err
+		return E.Cause1(ErrNeedMoreData, err)
 	}
 	if tpktVersion != 0x03 {
 		return os.ErrInvalid
@@ -24,7 +25,7 @@ func RDP(_ context.Context, metadata *adapter.InboundContext, reader io.Reader)
 	var tpktReserved uint8
 	err = binary.Read(reader, binary.BigEndian, &tpktReserved)
 	if err != nil {
-		return err
+		return E.Cause1(ErrNeedMoreData, err)
 	}
 	if tpktReserved != 0x00 {
 		return os.ErrInvalid
@@ -33,7 +34,7 @@ func RDP(_ context.Context, metadata *adapter.InboundContext, reader io.Reader)
 	var tpktLength uint16
 	err = binary.Read(reader, binary.BigEndian, &tpktLength)
 	if err != nil {
-		return err
+		return E.Cause1(ErrNeedMoreData, err)
 	}
 
 	if tpktLength != 19 {
@@ -43,7 +44,7 @@ func RDP(_ context.Context, metadata *adapter.InboundContext, reader io.Reader)
 	var cotpLength uint8
 	err = binary.Read(reader, binary.BigEndian, &cotpLength)
 	if err != nil {
-		return err
+		return E.Cause1(ErrNeedMoreData, err)
 	}
 
 	if cotpLength != 14 {
@@ -53,7 +54,7 @@ func RDP(_ context.Context, metadata *adapter.InboundContext, reader io.Reader)
 	var cotpTpduType uint8
 	err = binary.Read(reader, binary.BigEndian, &cotpTpduType)
 	if err != nil {
-		return err
+		return E.Cause1(ErrNeedMoreData, err)
 	}
 	if cotpTpduType != 0xE0 {
 		return os.ErrInvalid
@@ -61,13 +62,13 @@ func RDP(_ context.Context, metadata *adapter.InboundContext, reader io.Reader)
 
 	err = rw.SkipN(reader, 5)
 	if err != nil {
-		return err
+		return E.Cause1(ErrNeedMoreData, err)
 	}
 
 	var rdpType uint8
 	err = binary.Read(reader, binary.BigEndian, &rdpType)
 	if err != nil {
-		return err
+		return E.Cause1(ErrNeedMoreData, err)
 	}
 	if rdpType != 0x01 {
 		return os.ErrInvalid
@@ -75,12 +76,12 @@ func RDP(_ context.Context, metadata *adapter.InboundContext, reader io.Reader)
 	var rdpFlags uint8
 	err = binary.Read(reader, binary.BigEndian, &rdpFlags)
 	if err != nil {
-		return err
+		return E.Cause1(ErrNeedMoreData, err)
 	}
 	var rdpLength uint8
 	err = binary.Read(reader, binary.BigEndian, &rdpLength)
 	if err != nil {
-		return err
+		return E.Cause1(ErrNeedMoreData, err)
 	}
 	if rdpLength != 8 {
 		return os.ErrInvalid

common/sniff/sniff.go

@@ -3,12 +3,14 @@ package sniff
 import (
 	"bytes"
 	"context"
+	"errors"
 	"io"
 	"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/buf"
 	E "github.com/sagernet/sing/common/exceptions"
 )
@@ -18,6 +20,8 @@ type (
 	PacketSniffer = func(ctx context.Context, metadata *adapter.InboundContext, packet []byte) error
 )
 
+var ErrNeedMoreData = E.New("need more data")
+
 func Skip(metadata *adapter.InboundContext) bool {
 	// skip server first protocols
 	switch metadata.Destination.Port {
@@ -34,12 +38,12 @@ func Skip(metadata *adapter.InboundContext) bool {
 	return false
 }
 
-func PeekStream(ctx context.Context, metadata *adapter.InboundContext, conn net.Conn, buffer *buf.Buffer, timeout time.Duration, sniffers ...StreamSniffer) error {
+func PeekStream(ctx context.Context, metadata *adapter.InboundContext, conn net.Conn, buffers []*buf.Buffer, buffer *buf.Buffer, timeout time.Duration, sniffers ...StreamSniffer) error {
 	if timeout == 0 {
 		timeout = C.ReadPayloadTimeout
 	}
 	deadline := time.Now().Add(timeout)
-	var errors []error
+	var sniffError error
 	for i := 0; ; i++ {
 		err := conn.SetReadDeadline(deadline)
 		if err != nil {
@@ -53,26 +57,32 @@ func PeekStream(ctx context.Context, metadata *adapter.InboundContext, conn net.
 			}
 			return E.Cause(err, "read payload")
 		}
-		errors = nil
+		sniffError = nil
 		for _, sniffer := range sniffers {
-			err = sniffer(ctx, metadata, bytes.NewReader(buffer.Bytes()))
+			reader := io.MultiReader(common.Map(append(buffers, buffer), func(it *buf.Buffer) io.Reader {
+				return bytes.NewReader(it.Bytes())
+			})...)
+			err = sniffer(ctx, metadata, reader)
 			if err == nil {
 				return nil
 			}
-			errors = append(errors, err)
+			sniffError = E.Errors(sniffError, err)
+		}
+		if !errors.Is(sniffError, ErrNeedMoreData) {
+			break
 		}
 	}
-	return E.Errors(errors...)
+	return sniffError
 }
 
 func PeekPacket(ctx context.Context, metadata *adapter.InboundContext, packet []byte, sniffers ...PacketSniffer) error {
-	var errors []error
+	var sniffError []error
 	for _, sniffer := range sniffers {
 		err := sniffer(ctx, metadata, packet)
 		if err == nil {
 			return nil
 		}
-		errors = append(errors, err)
+		sniffError = append(sniffError, err)
 	}
-	return E.Errors(errors...)
+	return E.Errors(sniffError...)
 }

common/sniff/ssh.go

@@ -5,22 +5,27 @@ import (
 	"context"
 	"io"
 	"os"
-	"strings"
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
+	E "github.com/sagernet/sing/common/exceptions"
 )
 
 func SSH(_ context.Context, metadata *adapter.InboundContext, reader io.Reader) error {
-	scanner := bufio.NewScanner(reader)
-	if !scanner.Scan() {
+	const sshPrefix = "SSH-2.0-"
+	bReader := bufio.NewReader(reader)
+	prefix, err := bReader.Peek(len(sshPrefix))
+	if string(prefix[:]) != sshPrefix[:len(prefix)] {
 		return os.ErrInvalid
 	}
-	fistLine := scanner.Text()
-	if !strings.HasPrefix(fistLine, "SSH-2.0-") {
-		return os.ErrInvalid
+	if err != nil {
+		return E.Cause1(ErrNeedMoreData, err)
+	}
+	fistLine, _, err := bReader.ReadLine()
+	if err != nil {
+		return err
 	}
 	metadata.Protocol = C.ProtocolSSH
-	metadata.Client = fistLine[8:]
+	metadata.Client = string(fistLine)[8:]
 	return nil
 }

common/sniff/ssh_test.go

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

common/sniff/tls.go

@@ -3,11 +3,13 @@ package sniff
 import (
 	"context"
 	"crypto/tls"
+	"errors"
 	"io"
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing/common/bufio"
+	E "github.com/sagernet/sing/common/exceptions"
 )
 
 func TLSClientHello(ctx context.Context, metadata *adapter.InboundContext, reader io.Reader) error {
@@ -23,5 +25,9 @@ func TLSClientHello(ctx context.Context, metadata *adapter.InboundContext, reade
 		metadata.Domain = clientHello.ServerName
 		return nil
 	}
-	return err
+	if errors.Is(err, io.ErrUnexpectedEOF) {
+		return E.Cause1(ErrNeedMoreData, err)
+	} else {
+		return err
+	}
 }

common/tls/ech_client.go

@@ -64,6 +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,

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/mkcert.go

@@ -11,8 +11,8 @@ import (
 	"time"
 )
 
-func GenerateCertificate(timeFunc func() time.Time, serverName string) (*tls.Certificate, error) {
-	privateKeyPem, publicKeyPem, err := GenerateKeyPair(timeFunc, serverName, timeFunc().Add(time.Hour))
+func GenerateKeyPair(parent *x509.Certificate, parentKey any, timeFunc func() time.Time, serverName string) (*tls.Certificate, error) {
+	privateKeyPem, publicKeyPem, err := GenerateCertificate(parent, parentKey, timeFunc, serverName, timeFunc().Add(time.Hour))
 	if err != nil {
 		return nil, err
 	}
@@ -23,7 +23,7 @@ func GenerateCertificate(timeFunc func() time.Time, serverName string) (*tls.Cer
 	return &certificate, err
 }
 
-func GenerateKeyPair(timeFunc func() time.Time, serverName string, expire time.Time) (privateKeyPem []byte, publicKeyPem []byte, err error) {
+func GenerateCertificate(parent *x509.Certificate, parentKey any, timeFunc func() time.Time, serverName string, expire time.Time) (privateKeyPem []byte, publicKeyPem []byte, err error) {
 	if timeFunc == nil {
 		timeFunc = time.Now
 	}
@@ -47,7 +47,11 @@ func GenerateKeyPair(timeFunc func() time.Time, serverName string, expire time.T
 		},
 		DNSNames: []string{serverName},
 	}
-	publicDer, err := x509.CreateCertificate(rand.Reader, template, template, key.Public(), key)
+	if parent == nil {
+		parent = template
+		parentKey = key
+	}
+	publicDer, err := x509.CreateCertificate(rand.Reader, template, parent, key.Public(), parentKey)
 	if err != nil {
 		return
 	}

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

@@ -89,16 +89,20 @@ func NewRealityServer(ctx context.Context, logger log.Logger, options option.Inb
 	tlsConfig.MaxTimeDiff = time.Duration(options.Reality.MaxTimeDifference)
 
 	tlsConfig.ShortIds = make(map[[8]byte]bool)
-	for i, shortIDString := range options.Reality.ShortID {
-		var shortID [8]byte
-		decodedLen, err := hex.Decode(shortID[:], []byte(shortIDString))
-		if err != nil {
-			return nil, E.Cause(err, "decode short_id[", i, "]: ", shortIDString)
+	if len(options.Reality.ShortID) == 0 {
+		tlsConfig.ShortIds[[8]byte{0}] = true
+	} else {
+		for i, shortIDString := range options.Reality.ShortID {
+			var shortID [8]byte
+			decodedLen, err := hex.Decode(shortID[:], []byte(shortIDString))
+			if err != nil {
+				return nil, E.Cause(err, "decode short_id[", i, "]: ", shortIDString)
+			}
+			if decodedLen > 8 {
+				return nil, E.New("invalid short_id[", i, "]: ", shortIDString)
+			}
+			tlsConfig.ShortIds[shortID] = true
 		}
-		if decodedLen > 8 {
-			return nil, E.New("invalid short_id[", i, "]: ", shortIDString)
-		}
-		tlsConfig.ShortIds[shortID] = true
 	}
 
 	handshakeDialer, err := dialer.New(ctx, options.Reality.Handshake.DialerOptions)
@@ -174,6 +178,7 @@ type realityConnWrapper struct {
 
 func (c *realityConnWrapper) ConnectionState() ConnectionState {
 	state := c.Conn.ConnectionState()
+	//nolint:staticcheck
 	return tls.ConnectionState{
 		Version:                     state.Version,
 		HandshakeComplete:           state.HandshakeComplete,
@@ -193,3 +198,9 @@ 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_server.go

@@ -6,6 +6,7 @@ import (
 	"net"
 	"os"
 	"strings"
+	"time"
 
 	"github.com/sagernet/fswatch"
 	"github.com/sagernet/sing-box/adapter"
@@ -221,8 +222,12 @@ func NewSTDServer(ctx context.Context, logger log.Logger, options option.Inbound
 			key = content
 		}
 		if certificate == nil && key == nil && options.Insecure {
+			timeFunc := ntp.TimeFuncFromContext(ctx)
+			if timeFunc == nil {
+				timeFunc = time.Now
+			}
 			tlsConfig.GetCertificate = func(info *tls.ClientHelloInfo) (*tls.Certificate, error) {
-				return GenerateCertificate(ntp.TimeFuncFromContext(ctx), info.ServerName)
+				return GenerateKeyPair(nil, nil, timeFunc, info.ServerName)
 			}
 		} else {
 			if certificate == 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,

common/xray/buf/buffer.go

@@ -0,0 +1,337 @@
+package buf
+
+import (
+	"io"
+
+	"github.com/sagernet/sing-box/common/xray/bytespool"
+	"github.com/sagernet/sing-box/common/xray/net"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+const (
+	// Size of a regular buffer.
+	Size = 8192
+)
+
+var zero = [Size * 10]byte{0}
+
+var pool = bytespool.GetPool(Size)
+
+// ownership represents the data owner of the buffer.
+type ownership uint8
+
+const (
+	managed ownership = iota
+	unmanaged
+	bytespools
+)
+
+// Buffer is a recyclable allocation of a byte array. Buffer.Release() recycles
+// the buffer into an internal buffer pool, in order to recreate a buffer more
+// quickly.
+type Buffer struct {
+	v         []byte
+	start     int32
+	end       int32
+	ownership ownership
+	UDP       *net.Destination
+}
+
+// New creates a Buffer with 0 length and 8K capacity, managed.
+func New() *Buffer {
+	buf := pool.Get().([]byte)
+	if cap(buf) >= Size {
+		buf = buf[:Size]
+	} else {
+		buf = make([]byte, Size)
+	}
+
+	return &Buffer{
+		v: buf,
+	}
+}
+
+// NewExisted creates a standard size Buffer with an existed bytearray, managed.
+func NewExisted(b []byte) *Buffer {
+	if cap(b) < Size {
+		panic("Invalid buffer")
+	}
+
+	oLen := len(b)
+	if oLen < Size {
+		b = b[:Size]
+	}
+
+	return &Buffer{
+		v:   b,
+		end: int32(oLen),
+	}
+}
+
+// FromBytes creates a Buffer with an existed bytearray, unmanaged.
+func FromBytes(b []byte) *Buffer {
+	return &Buffer{
+		v:         b,
+		end:       int32(len(b)),
+		ownership: unmanaged,
+	}
+}
+
+// StackNew creates a new Buffer object on stack, managed.
+// This method is for buffers that is released in the same function.
+func StackNew() Buffer {
+	buf := pool.Get().([]byte)
+	if cap(buf) >= Size {
+		buf = buf[:Size]
+	} else {
+		buf = make([]byte, Size)
+	}
+
+	return Buffer{
+		v: buf,
+	}
+}
+
+// NewWithSize creates a Buffer with 0 length and capacity with at least the given size, bytespool's.
+func NewWithSize(size int32) *Buffer {
+	return &Buffer{
+		v:         bytespool.Alloc(size),
+		ownership: bytespools,
+	}
+}
+
+// Release recycles the buffer into an internal buffer pool.
+func (b *Buffer) Release() {
+	if b == nil || b.v == nil || b.ownership == unmanaged {
+		return
+	}
+
+	p := b.v
+	b.v = nil
+	b.Clear()
+
+	switch b.ownership {
+	case managed:
+		if cap(p) == Size {
+			pool.Put(p)
+		}
+	case bytespools:
+		bytespool.Free(p)
+	}
+	b.UDP = nil
+}
+
+// Clear clears the content of the buffer, results an empty buffer with
+// Len() = 0.
+func (b *Buffer) Clear() {
+	b.start = 0
+	b.end = 0
+}
+
+// Byte returns the bytes at index.
+func (b *Buffer) Byte(index int32) byte {
+	return b.v[b.start+index]
+}
+
+// SetByte sets the byte value at index.
+func (b *Buffer) SetByte(index int32, value byte) {
+	b.v[b.start+index] = value
+}
+
+// Bytes returns the content bytes of this Buffer.
+func (b *Buffer) Bytes() []byte {
+	return b.v[b.start:b.end]
+}
+
+// Extend increases the buffer size by n bytes, and returns the extended part.
+// It panics if result size is larger than buf.Size.
+func (b *Buffer) Extend(n int32) []byte {
+	end := b.end + n
+	if end > int32(len(b.v)) {
+		panic("extending out of bound")
+	}
+	ext := b.v[b.end:end]
+	b.end = end
+	copy(ext, zero[:])
+	return ext
+}
+
+// BytesRange returns a slice of this buffer with given from and to boundary.
+func (b *Buffer) BytesRange(from, to int32) []byte {
+	if from < 0 {
+		from += b.Len()
+	}
+	if to < 0 {
+		to += b.Len()
+	}
+	return b.v[b.start+from : b.start+to]
+}
+
+// BytesFrom returns a slice of this Buffer starting from the given position.
+func (b *Buffer) BytesFrom(from int32) []byte {
+	if from < 0 {
+		from += b.Len()
+	}
+	return b.v[b.start+from : b.end]
+}
+
+// BytesTo returns a slice of this Buffer from start to the given position.
+func (b *Buffer) BytesTo(to int32) []byte {
+	if to < 0 {
+		to += b.Len()
+	}
+	if to < 0 {
+		to = 0
+	}
+	return b.v[b.start : b.start+to]
+}
+
+// Check makes sure that 0 <= b.start <= b.end.
+func (b *Buffer) Check() {
+	if b.start < 0 {
+		b.start = 0
+	}
+	if b.end < 0 {
+		b.end = 0
+	}
+	if b.start > b.end {
+		b.start = b.end
+	}
+}
+
+// Resize cuts the buffer at the given position.
+func (b *Buffer) Resize(from, to int32) {
+	oldEnd := b.end
+	if from < 0 {
+		from += b.Len()
+	}
+	if to < 0 {
+		to += b.Len()
+	}
+	if to < from {
+		panic("Invalid slice")
+	}
+	b.end = b.start + to
+	b.start += from
+	b.Check()
+	if b.end > oldEnd {
+		copy(b.v[oldEnd:b.end], zero[:])
+	}
+}
+
+// Advance cuts the buffer at the given position.
+func (b *Buffer) Advance(from int32) {
+	if from < 0 {
+		from += b.Len()
+	}
+	b.start += from
+	b.Check()
+}
+
+// Len returns the length of the buffer content.
+func (b *Buffer) Len() int32 {
+	if b == nil {
+		return 0
+	}
+	return b.end - b.start
+}
+
+// Cap returns the capacity of the buffer content.
+func (b *Buffer) Cap() int32 {
+	if b == nil {
+		return 0
+	}
+	return int32(len(b.v))
+}
+
+// IsEmpty returns true if the buffer is empty.
+func (b *Buffer) IsEmpty() bool {
+	return b.Len() == 0
+}
+
+// IsFull returns true if the buffer has no more room to grow.
+func (b *Buffer) IsFull() bool {
+	return b != nil && b.end == int32(len(b.v))
+}
+
+// Write implements Write method in io.Writer.
+func (b *Buffer) Write(data []byte) (int, error) {
+	nBytes := copy(b.v[b.end:], data)
+	b.end += int32(nBytes)
+	return nBytes, nil
+}
+
+// WriteByte writes a single byte into the buffer.
+func (b *Buffer) WriteByte(v byte) error {
+	if b.IsFull() {
+		return E.New("buffer full")
+	}
+	b.v[b.end] = v
+	b.end++
+	return nil
+}
+
+// WriteString implements io.StringWriter.
+func (b *Buffer) WriteString(s string) (int, error) {
+	return b.Write([]byte(s))
+}
+
+// ReadByte implements io.ByteReader
+func (b *Buffer) ReadByte() (byte, error) {
+	if b.start == b.end {
+		return 0, io.EOF
+	}
+
+	nb := b.v[b.start]
+	b.start++
+	return nb, nil
+}
+
+// ReadBytes implements bufio.Reader.ReadBytes
+func (b *Buffer) ReadBytes(length int32) ([]byte, error) {
+	if b.end-b.start < length {
+		return nil, io.EOF
+	}
+
+	nb := b.v[b.start : b.start+length]
+	b.start += length
+	return nb, nil
+}
+
+// Read implements io.Reader.Read().
+func (b *Buffer) Read(data []byte) (int, error) {
+	if b.Len() == 0 {
+		return 0, io.EOF
+	}
+	nBytes := copy(data, b.v[b.start:b.end])
+	if int32(nBytes) == b.Len() {
+		b.Clear()
+	} else {
+		b.start += int32(nBytes)
+	}
+	return nBytes, nil
+}
+
+// ReadFrom implements io.ReaderFrom.
+func (b *Buffer) ReadFrom(reader io.Reader) (int64, error) {
+	n, err := reader.Read(b.v[b.end:])
+	b.end += int32(n)
+	return int64(n), err
+}
+
+// ReadFullFrom reads exact size of bytes from given reader, or until error occurs.
+func (b *Buffer) ReadFullFrom(reader io.Reader, size int32) (int64, error) {
+	end := b.end + size
+	if end > int32(len(b.v)) {
+		v := end
+		return 0, E.New("out of bound: ", v)
+	}
+	n, err := io.ReadFull(reader, b.v[b.end:end])
+	b.end += int32(n)
+	return int64(n), err
+}
+
+// String returns the string form of this Buffer.
+func (b *Buffer) String() string {
+	return string(b.Bytes())
+}

common/xray/buf/copy.go

@@ -0,0 +1,124 @@
+package buf
+
+import (
+	"io"
+	"time"
+
+	"github.com/sagernet/sing-box/common/xray/errors"
+	"github.com/sagernet/sing-box/common/xray/signal"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+type dataHandler func(MultiBuffer)
+
+type copyHandler struct {
+	onData []dataHandler
+}
+
+// SizeCounter is for counting bytes copied by Copy().
+type SizeCounter struct {
+	Size int64
+}
+
+// CopyOption is an option for copying data.
+type CopyOption func(*copyHandler)
+
+// UpdateActivity is a CopyOption to update activity on each data copy operation.
+func UpdateActivity(timer signal.ActivityUpdater) CopyOption {
+	return func(handler *copyHandler) {
+		handler.onData = append(handler.onData, func(MultiBuffer) {
+			timer.Update()
+		})
+	}
+}
+
+// CountSize is a CopyOption that sums the total size of data copied into the given SizeCounter.
+func CountSize(sc *SizeCounter) CopyOption {
+	return func(handler *copyHandler) {
+		handler.onData = append(handler.onData, func(b MultiBuffer) {
+			sc.Size += int64(b.Len())
+		})
+	}
+}
+
+type readError struct {
+	error
+}
+
+func (e readError) Error() string {
+	return e.error.Error()
+}
+
+func (e readError) Unwrap() error {
+	return e.error
+}
+
+// IsReadError returns true if the error in Copy() comes from reading.
+func IsReadError(err error) bool {
+	_, ok := err.(readError)
+	return ok
+}
+
+type writeError struct {
+	error
+}
+
+func (e writeError) Error() string {
+	return e.error.Error()
+}
+
+func (e writeError) Unwrap() error {
+	return e.error
+}
+
+// IsWriteError returns true if the error in Copy() comes from writing.
+func IsWriteError(err error) bool {
+	_, ok := err.(writeError)
+	return ok
+}
+
+func copyInternal(reader Reader, writer Writer, handler *copyHandler) error {
+	for {
+		buffer, err := reader.ReadMultiBuffer()
+		if !buffer.IsEmpty() {
+			for _, handler := range handler.onData {
+				handler(buffer)
+			}
+
+			if werr := writer.WriteMultiBuffer(buffer); werr != nil {
+				return writeError{werr}
+			}
+		}
+
+		if err != nil {
+			return readError{err}
+		}
+	}
+}
+
+// Copy dumps all payload from reader to writer or stops when an error occurs. It returns nil when EOF.
+func Copy(reader Reader, writer Writer, options ...CopyOption) error {
+	var handler copyHandler
+	for _, option := range options {
+		option(&handler)
+	}
+	err := copyInternal(reader, writer, &handler)
+	if err != nil && errors.Cause(err) != io.EOF {
+		return err
+	}
+	return nil
+}
+
+var ErrNotTimeoutReader = E.New("not a TimeoutReader")
+
+func CopyOnceTimeout(reader Reader, writer Writer, timeout time.Duration) error {
+	timeoutReader, ok := reader.(TimeoutReader)
+	if !ok {
+		return ErrNotTimeoutReader
+	}
+	mb, err := timeoutReader.ReadMultiBufferTimeout(timeout)
+	if err != nil {
+		return err
+	}
+	return writer.WriteMultiBuffer(mb)
+}

common/xray/buf/io.go

@@ -0,0 +1,126 @@
+package buf
+
+import (
+	"io"
+	"net"
+	"syscall"
+	"time"
+
+	"github.com/sagernet/sing-box/common/xray/stat"
+	"github.com/sagernet/sing-box/common/xray/stats"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+// Reader extends io.Reader with MultiBuffer.
+type Reader interface {
+	// ReadMultiBuffer reads content from underlying reader, and put it into a MultiBuffer.
+	ReadMultiBuffer() (MultiBuffer, error)
+}
+
+// ErrReadTimeout is an error that happens with IO timeout.
+var ErrReadTimeout = E.New("IO timeout")
+
+// TimeoutReader is a reader that returns error if Read() operation takes longer than the given timeout.
+type TimeoutReader interface {
+	ReadMultiBufferTimeout(time.Duration) (MultiBuffer, error)
+}
+
+// Writer extends io.Writer with MultiBuffer.
+type Writer interface {
+	// WriteMultiBuffer writes a MultiBuffer into underlying writer.
+	WriteMultiBuffer(MultiBuffer) error
+}
+
+// WriteAllBytes ensures all bytes are written into the given writer.
+func WriteAllBytes(writer io.Writer, payload []byte, c stats.Counter) error {
+	wc := 0
+	defer func() {
+		if c != nil {
+			c.Add(int64(wc))
+		}
+	}()
+
+	for len(payload) > 0 {
+		n, err := writer.Write(payload)
+		wc += n
+		if err != nil {
+			return err
+		}
+		payload = payload[n:]
+	}
+	return nil
+}
+
+func isPacketReader(reader io.Reader) bool {
+	_, ok := reader.(net.PacketConn)
+	return ok
+}
+
+// NewReader creates a new Reader.
+// The Reader instance doesn't take the ownership of reader.
+func NewReader(reader io.Reader) Reader {
+	if mr, ok := reader.(Reader); ok {
+		return mr
+	}
+
+	if isPacketReader(reader) {
+		return &PacketReader{
+			Reader: reader,
+		}
+	}
+
+	return &SingleReader{
+		Reader: reader,
+	}
+}
+
+// NewPacketReader creates a new PacketReader based on the given reader.
+func NewPacketReader(reader io.Reader) Reader {
+	if mr, ok := reader.(Reader); ok {
+		return mr
+	}
+
+	return &PacketReader{
+		Reader: reader,
+	}
+}
+
+func isPacketWriter(writer io.Writer) bool {
+	if _, ok := writer.(net.PacketConn); ok {
+		return true
+	}
+
+	// If the writer doesn't implement syscall.Conn, it is probably not a TCP connection.
+	if _, ok := writer.(syscall.Conn); !ok {
+		return true
+	}
+	return false
+}
+
+// NewWriter creates a new Writer.
+func NewWriter(writer io.Writer) Writer {
+	if mw, ok := writer.(Writer); ok {
+		return mw
+	}
+
+	iConn := writer
+	if statConn, ok := writer.(*stat.CounterConnection); ok {
+		iConn = statConn.Connection
+	}
+
+	if isPacketWriter(iConn) {
+		return &SequentialWriter{
+			Writer: writer,
+		}
+	}
+
+	var counter stats.Counter
+
+	if statConn, ok := writer.(*stat.CounterConnection); ok {
+		counter = statConn.WriteCounter
+	}
+	return &BufferToBytesWriter{
+		Writer:  iConn,
+		counter: counter,
+	}
+}

common/xray/buf/multi_buffer.go

@@ -0,0 +1,310 @@
+package buf
+
+import (
+	"io"
+
+	"github.com/sagernet/sing-box/common/xray"
+	"github.com/sagernet/sing-box/common/xray/errors"
+	"github.com/sagernet/sing-box/common/xray/serial"
+)
+
+// ReadAllToBytes reads all content from the reader into a byte array, until EOF.
+func ReadAllToBytes(reader io.Reader) ([]byte, error) {
+	mb, err := ReadFrom(reader)
+	if err != nil {
+		return nil, err
+	}
+	if mb.Len() == 0 {
+		return nil, nil
+	}
+	b := make([]byte, mb.Len())
+	mb, _ = SplitBytes(mb, b)
+	ReleaseMulti(mb)
+	return b, nil
+}
+
+// MultiBuffer is a list of Buffers. The order of Buffer matters.
+type MultiBuffer []*Buffer
+
+// MergeMulti merges content from src to dest, and returns the new address of dest and src
+func MergeMulti(dest MultiBuffer, src MultiBuffer) (MultiBuffer, MultiBuffer) {
+	dest = append(dest, src...)
+	for idx := range src {
+		src[idx] = nil
+	}
+	return dest, src[:0]
+}
+
+// MergeBytes merges the given bytes into MultiBuffer and return the new address of the merged MultiBuffer.
+func MergeBytes(dest MultiBuffer, src []byte) MultiBuffer {
+	n := len(dest)
+	if n > 0 && !(dest)[n-1].IsFull() {
+		nBytes, _ := (dest)[n-1].Write(src)
+		src = src[nBytes:]
+	}
+
+	for len(src) > 0 {
+		b := New()
+		nBytes, _ := b.Write(src)
+		src = src[nBytes:]
+		dest = append(dest, b)
+	}
+
+	return dest
+}
+
+// ReleaseMulti releases all content of the MultiBuffer, and returns an empty MultiBuffer.
+func ReleaseMulti(mb MultiBuffer) MultiBuffer {
+	for i := range mb {
+		mb[i].Release()
+		mb[i] = nil
+	}
+	return mb[:0]
+}
+
+// Copy copied the beginning part of the MultiBuffer into the given byte array.
+func (mb MultiBuffer) Copy(b []byte) int {
+	total := 0
+	for _, bb := range mb {
+		nBytes := copy(b[total:], bb.Bytes())
+		total += nBytes
+		if int32(nBytes) < bb.Len() {
+			break
+		}
+	}
+	return total
+}
+
+// ReadFrom reads all content from reader until EOF.
+func ReadFrom(reader io.Reader) (MultiBuffer, error) {
+	mb := make(MultiBuffer, 0, 16)
+	for {
+		b := New()
+		_, err := b.ReadFullFrom(reader, Size)
+		if b.IsEmpty() {
+			b.Release()
+		} else {
+			mb = append(mb, b)
+		}
+		if err != nil {
+			if errors.Cause(err) == io.EOF || errors.Cause(err) == io.ErrUnexpectedEOF {
+				return mb, nil
+			}
+			return mb, err
+		}
+	}
+}
+
+// SplitBytes splits the given amount of bytes from the beginning of the MultiBuffer.
+// It returns the new address of MultiBuffer leftover, and number of bytes written into the input byte slice.
+func SplitBytes(mb MultiBuffer, b []byte) (MultiBuffer, int) {
+	totalBytes := 0
+	endIndex := -1
+	for i := range mb {
+		pBuffer := mb[i]
+		nBytes, _ := pBuffer.Read(b)
+		totalBytes += nBytes
+		b = b[nBytes:]
+		if !pBuffer.IsEmpty() {
+			endIndex = i
+			break
+		}
+		pBuffer.Release()
+		mb[i] = nil
+	}
+
+	if endIndex == -1 {
+		mb = mb[:0]
+	} else {
+		mb = mb[endIndex:]
+	}
+
+	return mb, totalBytes
+}
+
+// SplitFirstBytes splits the first buffer from MultiBuffer, and then copy its content into the given slice.
+func SplitFirstBytes(mb MultiBuffer, p []byte) (MultiBuffer, int) {
+	mb, b := SplitFirst(mb)
+	if b == nil {
+		return mb, 0
+	}
+	n := copy(p, b.Bytes())
+	b.Release()
+	return mb, n
+}
+
+// Compact returns another MultiBuffer by merging all content of the given one together.
+func Compact(mb MultiBuffer) MultiBuffer {
+	if len(mb) == 0 {
+		return mb
+	}
+
+	mb2 := make(MultiBuffer, 0, len(mb))
+	last := mb[0]
+
+	for i := 1; i < len(mb); i++ {
+		curr := mb[i]
+		if last.Len()+curr.Len() > Size {
+			mb2 = append(mb2, last)
+			last = curr
+		} else {
+			common.Must2(last.ReadFrom(curr))
+			curr.Release()
+		}
+	}
+
+	mb2 = append(mb2, last)
+	return mb2
+}
+
+// SplitFirst splits the first Buffer from the beginning of the MultiBuffer.
+func SplitFirst(mb MultiBuffer) (MultiBuffer, *Buffer) {
+	if len(mb) == 0 {
+		return mb, nil
+	}
+
+	b := mb[0]
+	mb[0] = nil
+	mb = mb[1:]
+	return mb, b
+}
+
+// SplitSize splits the beginning of the MultiBuffer into another one, for at most size bytes.
+func SplitSize(mb MultiBuffer, size int32) (MultiBuffer, MultiBuffer) {
+	if len(mb) == 0 {
+		return mb, nil
+	}
+
+	if mb[0].Len() > size {
+		b := New()
+		copy(b.Extend(size), mb[0].BytesTo(size))
+		mb[0].Advance(size)
+		return mb, MultiBuffer{b}
+	}
+
+	totalBytes := int32(0)
+	var r MultiBuffer
+	endIndex := -1
+	for i := range mb {
+		if totalBytes+mb[i].Len() > size {
+			endIndex = i
+			break
+		}
+		totalBytes += mb[i].Len()
+		r = append(r, mb[i])
+		mb[i] = nil
+	}
+	if endIndex == -1 {
+		// To reuse mb array
+		mb = mb[:0]
+	} else {
+		mb = mb[endIndex:]
+	}
+	return mb, r
+}
+
+// SplitMulti splits the beginning of the MultiBuffer into first one, the index i and after into second one
+func SplitMulti(mb MultiBuffer, i int) (MultiBuffer, MultiBuffer) {
+	mb2 := make(MultiBuffer, 0, len(mb))
+	if i < len(mb) && i >= 0 {
+		mb2 = append(mb2, mb[i:]...)
+		for j := i; j < len(mb); j++ {
+			mb[j] = nil
+		}
+		mb = mb[:i]
+	}
+	return mb, mb2
+}
+
+// WriteMultiBuffer writes all buffers from the MultiBuffer to the Writer one by one, and return error if any, with leftover MultiBuffer.
+func WriteMultiBuffer(writer io.Writer, mb MultiBuffer) (MultiBuffer, error) {
+	for {
+		mb2, b := SplitFirst(mb)
+		mb = mb2
+		if b == nil {
+			break
+		}
+
+		_, err := writer.Write(b.Bytes())
+		b.Release()
+		if err != nil {
+			return mb, err
+		}
+	}
+
+	return nil, nil
+}
+
+// Len returns the total number of bytes in the MultiBuffer.
+func (mb MultiBuffer) Len() int32 {
+	if mb == nil {
+		return 0
+	}
+
+	size := int32(0)
+	for _, b := range mb {
+		size += b.Len()
+	}
+	return size
+}
+
+// IsEmpty returns true if the MultiBuffer has no content.
+func (mb MultiBuffer) IsEmpty() bool {
+	for _, b := range mb {
+		if !b.IsEmpty() {
+			return false
+		}
+	}
+	return true
+}
+
+// String returns the content of the MultiBuffer in string.
+func (mb MultiBuffer) String() string {
+	v := make([]interface{}, len(mb))
+	for i, b := range mb {
+		v[i] = b
+	}
+	return serial.Concat(v...)
+}
+
+// MultiBufferContainer is a ReadWriteCloser wrapper over MultiBuffer.
+type MultiBufferContainer struct {
+	MultiBuffer
+}
+
+// Read implements io.Reader.
+func (c *MultiBufferContainer) Read(b []byte) (int, error) {
+	if c.MultiBuffer.IsEmpty() {
+		return 0, io.EOF
+	}
+
+	mb, nBytes := SplitBytes(c.MultiBuffer, b)
+	c.MultiBuffer = mb
+	return nBytes, nil
+}
+
+// ReadMultiBuffer implements Reader.
+func (c *MultiBufferContainer) ReadMultiBuffer() (MultiBuffer, error) {
+	mb := c.MultiBuffer
+	c.MultiBuffer = nil
+	return mb, nil
+}
+
+// Write implements io.Writer.
+func (c *MultiBufferContainer) Write(b []byte) (int, error) {
+	c.MultiBuffer = MergeBytes(c.MultiBuffer, b)
+	return len(b), nil
+}
+
+// WriteMultiBuffer implements Writer.
+func (c *MultiBufferContainer) WriteMultiBuffer(b MultiBuffer) error {
+	mb, _ := MergeMulti(c.MultiBuffer, b)
+	c.MultiBuffer = mb
+	return nil
+}
+
+// Close implements io.Closer.
+func (c *MultiBufferContainer) Close() error {
+	c.MultiBuffer = ReleaseMulti(c.MultiBuffer)
+	return nil
+}

common/xray/buf/override.go

@@ -0,0 +1,38 @@
+package buf
+
+import (
+	"github.com/sagernet/sing-box/common/xray/net"
+)
+
+type EndpointOverrideReader struct {
+	Reader
+	Dest         net.Address
+	OriginalDest net.Address
+}
+
+func (r *EndpointOverrideReader) ReadMultiBuffer() (MultiBuffer, error) {
+	mb, err := r.Reader.ReadMultiBuffer()
+	if err == nil {
+		for _, b := range mb {
+			if b.UDP != nil && b.UDP.Address == r.OriginalDest {
+				b.UDP.Address = r.Dest
+			}
+		}
+	}
+	return mb, err
+}
+
+type EndpointOverrideWriter struct {
+	Writer
+	Dest         net.Address
+	OriginalDest net.Address
+}
+
+func (w *EndpointOverrideWriter) WriteMultiBuffer(mb MultiBuffer) error {
+	for _, b := range mb {
+		if b.UDP != nil && b.UDP.Address == w.Dest {
+			b.UDP.Address = w.OriginalDest
+		}
+	}
+	return w.Writer.WriteMultiBuffer(mb)
+}

common/xray/buf/reader.go

@@ -0,0 +1,175 @@
+package buf
+
+import (
+	"io"
+
+	"github.com/sagernet/sing-box/common/xray"
+	"github.com/sagernet/sing-box/common/xray/errors"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+func readOneUDP(r io.Reader) (*Buffer, error) {
+	b := New()
+	for i := 0; i < 64; i++ {
+		_, err := b.ReadFrom(r)
+		if !b.IsEmpty() {
+			return b, nil
+		}
+		if err != nil {
+			b.Release()
+			return nil, err
+		}
+	}
+
+	b.Release()
+	return nil, E.New("Reader returns too many empty payloads.")
+}
+
+// ReadBuffer reads a Buffer from the given reader.
+func ReadBuffer(r io.Reader) (*Buffer, error) {
+	b := New()
+	n, err := b.ReadFrom(r)
+	if n > 0 {
+		return b, err
+	}
+	b.Release()
+	return nil, err
+}
+
+// BufferedReader is a Reader that keeps its internal buffer.
+type BufferedReader struct {
+	// Reader is the underlying reader to be read from
+	Reader Reader
+	// Buffer is the internal buffer to be read from first
+	Buffer MultiBuffer
+	// Splitter is a function to read bytes from MultiBuffer
+	Splitter func(MultiBuffer, []byte) (MultiBuffer, int)
+}
+
+// BufferedBytes returns the number of bytes that is cached in this reader.
+func (r *BufferedReader) BufferedBytes() int32 {
+	return r.Buffer.Len()
+}
+
+// ReadByte implements io.ByteReader.
+func (r *BufferedReader) ReadByte() (byte, error) {
+	var b [1]byte
+	_, err := r.Read(b[:])
+	return b[0], err
+}
+
+// Read implements io.Reader. It reads from internal buffer first (if available) and then reads from the underlying reader.
+func (r *BufferedReader) Read(b []byte) (int, error) {
+	spliter := r.Splitter
+	if spliter == nil {
+		spliter = SplitBytes
+	}
+
+	if !r.Buffer.IsEmpty() {
+		buffer, nBytes := spliter(r.Buffer, b)
+		r.Buffer = buffer
+		if r.Buffer.IsEmpty() {
+			r.Buffer = nil
+		}
+		return nBytes, nil
+	}
+
+	mb, err := r.Reader.ReadMultiBuffer()
+	if err != nil {
+		return 0, err
+	}
+
+	mb, nBytes := spliter(mb, b)
+	if !mb.IsEmpty() {
+		r.Buffer = mb
+	}
+	return nBytes, nil
+}
+
+// ReadMultiBuffer implements Reader.
+func (r *BufferedReader) ReadMultiBuffer() (MultiBuffer, error) {
+	if !r.Buffer.IsEmpty() {
+		mb := r.Buffer
+		r.Buffer = nil
+		return mb, nil
+	}
+
+	return r.Reader.ReadMultiBuffer()
+}
+
+// ReadAtMost returns a MultiBuffer with at most size.
+func (r *BufferedReader) ReadAtMost(size int32) (MultiBuffer, error) {
+	if r.Buffer.IsEmpty() {
+		mb, err := r.Reader.ReadMultiBuffer()
+		if mb.IsEmpty() && err != nil {
+			return nil, err
+		}
+		r.Buffer = mb
+	}
+
+	rb, mb := SplitSize(r.Buffer, size)
+	r.Buffer = rb
+	if r.Buffer.IsEmpty() {
+		r.Buffer = nil
+	}
+	return mb, nil
+}
+
+func (r *BufferedReader) writeToInternal(writer io.Writer) (int64, error) {
+	mbWriter := NewWriter(writer)
+	var sc SizeCounter
+	if r.Buffer != nil {
+		sc.Size = int64(r.Buffer.Len())
+		if err := mbWriter.WriteMultiBuffer(r.Buffer); err != nil {
+			return 0, err
+		}
+		r.Buffer = nil
+	}
+
+	err := Copy(r.Reader, mbWriter, CountSize(&sc))
+	return sc.Size, err
+}
+
+// WriteTo implements io.WriterTo.
+func (r *BufferedReader) WriteTo(writer io.Writer) (int64, error) {
+	nBytes, err := r.writeToInternal(writer)
+	if errors.Cause(err) == io.EOF {
+		return nBytes, nil
+	}
+	return nBytes, err
+}
+
+// Interrupt implements common.Interruptible.
+func (r *BufferedReader) Interrupt() {
+	common.Interrupt(r.Reader)
+}
+
+// Close implements io.Closer.
+func (r *BufferedReader) Close() error {
+	return common.Close(r.Reader)
+}
+
+// SingleReader is a Reader that read one Buffer every time.
+type SingleReader struct {
+	io.Reader
+}
+
+// ReadMultiBuffer implements Reader.
+func (r *SingleReader) ReadMultiBuffer() (MultiBuffer, error) {
+	b, err := ReadBuffer(r.Reader)
+	return MultiBuffer{b}, err
+}
+
+// PacketReader is a Reader that read one Buffer every time.
+type PacketReader struct {
+	io.Reader
+}
+
+// ReadMultiBuffer implements Reader.
+func (r *PacketReader) ReadMultiBuffer() (MultiBuffer, error) {
+	b, err := readOneUDP(r.Reader)
+	if err != nil {
+		return nil, err
+	}
+	return MultiBuffer{b}, nil
+}

common/xray/buf/writer.go

@@ -0,0 +1,270 @@
+package buf
+
+import (
+	"io"
+	"net"
+	"sync"
+
+	"github.com/sagernet/sing-box/common/xray"
+	"github.com/sagernet/sing-box/common/xray/errors"
+	"github.com/sagernet/sing-box/common/xray/stats"
+)
+
+// BufferToBytesWriter is a Writer that writes alloc.Buffer into underlying writer.
+type BufferToBytesWriter struct {
+	io.Writer
+
+	counter stats.Counter
+	cache   [][]byte
+}
+
+// WriteMultiBuffer implements Writer. This method takes ownership of the given buffer.
+func (w *BufferToBytesWriter) WriteMultiBuffer(mb MultiBuffer) error {
+	defer ReleaseMulti(mb)
+
+	size := mb.Len()
+	if size == 0 {
+		return nil
+	}
+
+	if len(mb) == 1 {
+		return WriteAllBytes(w.Writer, mb[0].Bytes(), w.counter)
+	}
+
+	if cap(w.cache) < len(mb) {
+		w.cache = make([][]byte, 0, len(mb))
+	}
+
+	bs := w.cache
+	for _, b := range mb {
+		bs = append(bs, b.Bytes())
+	}
+
+	defer func() {
+		for idx := range bs {
+			bs[idx] = nil
+		}
+	}()
+
+	nb := net.Buffers(bs)
+	wc := int64(0)
+	defer func() {
+		if w.counter != nil {
+			w.counter.Add(wc)
+		}
+	}()
+	for size > 0 {
+		n, err := nb.WriteTo(w.Writer)
+		wc += n
+		if err != nil {
+			return err
+		}
+		size -= int32(n)
+	}
+
+	return nil
+}
+
+// ReadFrom implements io.ReaderFrom.
+func (w *BufferToBytesWriter) ReadFrom(reader io.Reader) (int64, error) {
+	var sc SizeCounter
+	err := Copy(NewReader(reader), w, CountSize(&sc))
+	return sc.Size, err
+}
+
+// BufferedWriter is a Writer with internal buffer.
+type BufferedWriter struct {
+	sync.Mutex
+	writer   Writer
+	buffer   *Buffer
+	buffered bool
+}
+
+// NewBufferedWriter creates a new BufferedWriter.
+func NewBufferedWriter(writer Writer) *BufferedWriter {
+	return &BufferedWriter{
+		writer:   writer,
+		buffer:   New(),
+		buffered: true,
+	}
+}
+
+// WriteByte implements io.ByteWriter.
+func (w *BufferedWriter) WriteByte(c byte) error {
+	return common.Error2(w.Write([]byte{c}))
+}
+
+// Write implements io.Writer.
+func (w *BufferedWriter) Write(b []byte) (int, error) {
+	if len(b) == 0 {
+		return 0, nil
+	}
+
+	w.Lock()
+	defer w.Unlock()
+
+	if !w.buffered {
+		if writer, ok := w.writer.(io.Writer); ok {
+			return writer.Write(b)
+		}
+	}
+
+	totalBytes := 0
+	for len(b) > 0 {
+		if w.buffer == nil {
+			w.buffer = New()
+		}
+
+		nBytes, err := w.buffer.Write(b)
+		totalBytes += nBytes
+		if err != nil {
+			return totalBytes, err
+		}
+		if !w.buffered || w.buffer.IsFull() {
+			if err := w.flushInternal(); err != nil {
+				return totalBytes, err
+			}
+		}
+		b = b[nBytes:]
+	}
+
+	return totalBytes, nil
+}
+
+// WriteMultiBuffer implements Writer. It takes ownership of the given MultiBuffer.
+func (w *BufferedWriter) WriteMultiBuffer(b MultiBuffer) error {
+	if b.IsEmpty() {
+		return nil
+	}
+
+	w.Lock()
+	defer w.Unlock()
+
+	if !w.buffered {
+		return w.writer.WriteMultiBuffer(b)
+	}
+
+	reader := MultiBufferContainer{
+		MultiBuffer: b,
+	}
+	defer reader.Close()
+
+	for !reader.MultiBuffer.IsEmpty() {
+		if w.buffer == nil {
+			w.buffer = New()
+		}
+		common.Must2(w.buffer.ReadFrom(&reader))
+		if w.buffer.IsFull() {
+			if err := w.flushInternal(); err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}
+
+// Flush flushes buffered content into underlying writer.
+func (w *BufferedWriter) Flush() error {
+	w.Lock()
+	defer w.Unlock()
+
+	return w.flushInternal()
+}
+
+func (w *BufferedWriter) flushInternal() error {
+	if w.buffer.IsEmpty() {
+		return nil
+	}
+
+	b := w.buffer
+	w.buffer = nil
+
+	if writer, ok := w.writer.(io.Writer); ok {
+		err := WriteAllBytes(writer, b.Bytes(), nil)
+		b.Release()
+		return err
+	}
+
+	return w.writer.WriteMultiBuffer(MultiBuffer{b})
+}
+
+// SetBuffered sets whether the internal buffer is used. If set to false, Flush() will be called to clear the buffer.
+func (w *BufferedWriter) SetBuffered(f bool) error {
+	w.Lock()
+	defer w.Unlock()
+
+	w.buffered = f
+	if !f {
+		return w.flushInternal()
+	}
+	return nil
+}
+
+// ReadFrom implements io.ReaderFrom.
+func (w *BufferedWriter) ReadFrom(reader io.Reader) (int64, error) {
+	if err := w.SetBuffered(false); err != nil {
+		return 0, err
+	}
+
+	var sc SizeCounter
+	err := Copy(NewReader(reader), w, CountSize(&sc))
+	return sc.Size, err
+}
+
+// Close implements io.Closable.
+func (w *BufferedWriter) Close() error {
+	if err := w.Flush(); err != nil {
+		return err
+	}
+	return common.Close(w.writer)
+}
+
+// SequentialWriter is a Writer that writes MultiBuffer sequentially into the underlying io.Writer.
+type SequentialWriter struct {
+	io.Writer
+}
+
+// WriteMultiBuffer implements Writer.
+func (w *SequentialWriter) WriteMultiBuffer(mb MultiBuffer) error {
+	mb, err := WriteMultiBuffer(w.Writer, mb)
+	ReleaseMulti(mb)
+	return err
+}
+
+type noOpWriter byte
+
+func (noOpWriter) WriteMultiBuffer(b MultiBuffer) error {
+	ReleaseMulti(b)
+	return nil
+}
+
+func (noOpWriter) Write(b []byte) (int, error) {
+	return len(b), nil
+}
+
+func (noOpWriter) ReadFrom(reader io.Reader) (int64, error) {
+	b := New()
+	defer b.Release()
+
+	totalBytes := int64(0)
+	for {
+		b.Clear()
+		_, err := b.ReadFrom(reader)
+		totalBytes += int64(b.Len())
+		if err != nil {
+			if errors.Cause(err) == io.EOF {
+				return totalBytes, nil
+			}
+			return totalBytes, err
+		}
+	}
+}
+
+var (
+	// Discard is a Writer that swallows all contents written in.
+	Discard Writer = noOpWriter(0)
+
+	// DiscardBytes is an io.Writer that swallows all contents written in.
+	DiscardBytes io.Writer = noOpWriter(0)
+)

common/xray/bytespool/pool.go

@@ -0,0 +1,72 @@
+package bytespool
+
+import "sync"
+
+func createAllocFunc(size int32) func() interface{} {
+	return func() interface{} {
+		return make([]byte, size)
+	}
+}
+
+// The following parameters controls the size of buffer pools.
+// There are numPools pools. Starting from 2k size, the size of each pool is sizeMulti of the previous one.
+// Package buf is guaranteed to not use buffers larger than the largest pool.
+// Other packets may use larger buffers.
+const (
+	numPools  = 4
+	sizeMulti = 4
+)
+
+var (
+	pool     [numPools]sync.Pool
+	poolSize [numPools]int32
+)
+
+func init() {
+	size := int32(2048)
+	for i := 0; i < numPools; i++ {
+		pool[i] = sync.Pool{
+			New: createAllocFunc(size),
+		}
+		poolSize[i] = size
+		size *= sizeMulti
+	}
+}
+
+// GetPool returns a sync.Pool that generates bytes array with at least the given size.
+// It may return nil if no such pool exists.
+//
+// xray:api:stable
+func GetPool(size int32) *sync.Pool {
+	for idx, ps := range poolSize {
+		if size <= ps {
+			return &pool[idx]
+		}
+	}
+	return nil
+}
+
+// Alloc returns a byte slice with at least the given size. Minimum size of returned slice is 2048.
+//
+// xray:api:stable
+func Alloc(size int32) []byte {
+	pool := GetPool(size)
+	if pool != nil {
+		return pool.Get().([]byte)
+	}
+	return make([]byte, size)
+}
+
+// Free puts a byte slice into the internal pool.
+//
+// xray:api:stable
+func Free(b []byte) {
+	size := int32(cap(b))
+	b = b[0:cap(b)]
+	for i := numPools - 1; i >= 0; i-- {
+		if size >= poolSize[i] {
+			pool[i].Put(b)
+			return
+		}
+	}
+}

common/xray/common.go

@@ -0,0 +1,19 @@
+package common
+
+// Must panics if err is not nil.
+func Must(err error) {
+	if err != nil {
+		panic(err)
+	}
+}
+
+// Must2 panics if the second parameter is not nil, otherwise returns the first parameter.
+func Must2(v interface{}, err error) interface{} {
+	Must(err)
+	return v
+}
+
+// Error2 returns the err from the 2nd parameter.
+func Error2(v interface{}, err error) error {
+	return err
+}

common/xray/crypto/crypto.go

@@ -0,0 +1,14 @@
+package crypto
+
+import (
+	"crypto/rand"
+	"math/big"
+)
+
+func RandBetween(from int64, to int64) int64 {
+	if from == to {
+		return from
+	}
+	bigInt, _ := rand.Int(rand.Reader, big.NewInt(to-from))
+	return from + bigInt.Int64()
+}

common/xray/errors/errors.go

@@ -0,0 +1,25 @@
+package errors
+
+type hasInnerError interface {
+	// Unwrap returns the underlying error of this one.
+	Unwrap() error
+}
+
+func Cause(err error) error {
+	if err == nil {
+		return nil
+	}
+L:
+	for {
+		switch inner := err.(type) {
+		case hasInnerError:
+			if inner.Unwrap() == nil {
+				break L
+			}
+			err = inner.Unwrap()
+		default:
+			break L
+		}
+	}
+	return err
+}

common/xray/interfaces.go

@@ -0,0 +1,52 @@
+package common
+
+// Closable is the interface for objects that can release its resources.
+//
+// xray:api:beta
+type Closable interface {
+	// Close release all resources used by this object, including goroutines.
+	Close() error
+}
+
+// Interruptible is an interface for objects that can be stopped before its completion.
+//
+// xray:api:beta
+type Interruptible interface {
+	Interrupt()
+}
+
+// Close closes the obj if it is a Closable.
+//
+// xray:api:beta
+func Close(obj interface{}) error {
+	if c, ok := obj.(Closable); ok {
+		return c.Close()
+	}
+	return nil
+}
+
+// Interrupt calls Interrupt() if object implements Interruptible interface, or Close() if the object implements Closable interface.
+//
+// xray:api:beta
+func Interrupt(obj interface{}) error {
+	if c, ok := obj.(Interruptible); ok {
+		c.Interrupt()
+		return nil
+	}
+	return Close(obj)
+}
+
+// Runnable is the interface for objects that can start to work and stop on demand.
+type Runnable interface {
+	// Start starts the runnable object. Upon the method returning nil, the object begins to function properly.
+	Start() error
+
+	Closable
+}
+
+// HasType is the interface for objects that knows its type.
+type HasType interface {
+	// Type returns the type of the object.
+	// Usually it returns (*Type)(nil) of the object.
+	Type() interface{}
+}

common/xray/json/badoption/range.go

@@ -0,0 +1,53 @@
+package badoption
+
+import (
+	"encoding/json"
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/sagernet/sing-box/common/xray/crypto"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+type Range struct {
+	From int32 `json:"from"`
+	To   int32 `json:"to"`
+}
+
+func (c *Range) Build() *Range {
+	return (*Range)(c)
+}
+
+func (c *Range) MarshalJSON() ([]byte, error) {
+	return json.Marshal(fmt.Sprintf("%d-%d", c.From, c.To))
+}
+
+func (c *Range) UnmarshalJSON(content []byte) error {
+	var stringValue string
+	err := json.Unmarshal(content, &stringValue)
+	if err != nil {
+		return err
+	}
+	parts := strings.Split(stringValue, "-")
+	if len(parts) != 2 {
+		return E.New("invalid length of range parts")
+	}
+	from, err := strconv.ParseInt(parts[0], 10, 32)
+	if err != nil {
+		return err
+	}
+	to, err := strconv.ParseInt(parts[1], 10, 32)
+	if err != nil {
+		return err
+	}
+	if from > to {
+		return E.New("invalid range")
+	}
+	*c = Range{int32(from), int32(to)}
+	return nil
+}
+
+func (c Range) Rand() int32 {
+	return int32(crypto.RandBetween(int64(c.From), int64(c.To)))
+}

common/xray/net/address.go

@@ -0,0 +1,181 @@
+package net
+
+import (
+	"bytes"
+	"net"
+	"strings"
+)
+
+var (
+	// LocalHostIP is a constant value for localhost IP in IPv4.
+	LocalHostIP = IPAddress([]byte{127, 0, 0, 1})
+
+	// AnyIP is a constant value for any IP in IPv4.
+	AnyIP = IPAddress([]byte{0, 0, 0, 0})
+
+	// LocalHostDomain is a constant value for localhost domain.
+	LocalHostDomain = DomainAddress("localhost")
+
+	// LocalHostIPv6 is a constant value for localhost IP in IPv6.
+	LocalHostIPv6 = IPAddress([]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1})
+
+	// AnyIPv6 is a constant value for any IP in IPv6.
+	AnyIPv6 = IPAddress([]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0})
+)
+
+// AddressFamily is the type of address.
+type AddressFamily byte
+
+const (
+	// AddressFamilyIPv4 represents address as IPv4
+	AddressFamilyIPv4 = AddressFamily(0)
+
+	// AddressFamilyIPv6 represents address as IPv6
+	AddressFamilyIPv6 = AddressFamily(1)
+
+	// AddressFamilyDomain represents address as Domain
+	AddressFamilyDomain = AddressFamily(2)
+)
+
+// IsIPv4 returns true if current AddressFamily is IPv4.
+func (af AddressFamily) IsIPv4() bool {
+	return af == AddressFamilyIPv4
+}
+
+// IsIPv6 returns true if current AddressFamily is IPv6.
+func (af AddressFamily) IsIPv6() bool {
+	return af == AddressFamilyIPv6
+}
+
+// IsIP returns true if current AddressFamily is IPv6 or IPv4.
+func (af AddressFamily) IsIP() bool {
+	return af == AddressFamilyIPv4 || af == AddressFamilyIPv6
+}
+
+// IsDomain returns true if current AddressFamily is Domain.
+func (af AddressFamily) IsDomain() bool {
+	return af == AddressFamilyDomain
+}
+
+// Address represents a network address to be communicated with. It may be an IP address or domain
+// address, not both. This interface doesn't resolve IP address for a given domain.
+type Address interface {
+	IP() net.IP     // IP of this Address
+	Domain() string // Domain of this Address
+	Family() AddressFamily
+
+	String() string // String representation of this Address
+}
+
+func isAlphaNum(c byte) bool {
+	return (c >= '0' && c <= '9') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')
+}
+
+// ParseAddress parses a string into an Address. The return value will be an IPAddress when
+// the string is in the form of IPv4 or IPv6 address, or a DomainAddress otherwise.
+func ParseAddress(addr string) Address {
+	// Handle IPv6 address in form as "[2001:4860:0:2001::68]"
+	lenAddr := len(addr)
+	if lenAddr > 0 && addr[0] == '[' && addr[lenAddr-1] == ']' {
+		addr = addr[1 : lenAddr-1]
+		lenAddr -= 2
+	}
+
+	if lenAddr > 0 && (!isAlphaNum(addr[0]) || !isAlphaNum(addr[len(addr)-1])) {
+		addr = strings.TrimSpace(addr)
+	}
+
+	ip := net.ParseIP(addr)
+	if ip != nil {
+		return IPAddress(ip)
+	}
+	return DomainAddress(addr)
+}
+
+var bytes0 = []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+
+// IPAddress creates an Address with given IP.
+func IPAddress(ip []byte) Address {
+	switch len(ip) {
+	case net.IPv4len:
+		var addr ipv4Address = [4]byte{ip[0], ip[1], ip[2], ip[3]}
+		return addr
+	case net.IPv6len:
+		if bytes.Equal(ip[:10], bytes0) && ip[10] == 0xff && ip[11] == 0xff {
+			return IPAddress(ip[12:16])
+		}
+		var addr ipv6Address = [16]byte{
+			ip[0], ip[1], ip[2], ip[3],
+			ip[4], ip[5], ip[6], ip[7],
+			ip[8], ip[9], ip[10], ip[11],
+			ip[12], ip[13], ip[14], ip[15],
+		}
+		return addr
+	default:
+		return nil
+	}
+}
+
+// DomainAddress creates an Address with given domain.
+// This is an internal function that forcibly converts a string to domain.
+// It's mainly used in test files and mux.
+// Unless you have a specific reason, use net.ParseAddress instead,
+// as this function does not check whether the input is an IP address.
+// Otherwise, you will get strange results like domain: 1.1.1.1
+func DomainAddress(domain string) Address {
+	return domainAddress(domain)
+}
+
+type ipv4Address [4]byte
+
+func (a ipv4Address) IP() net.IP {
+	return net.IP(a[:])
+}
+
+func (ipv4Address) Domain() string {
+	panic("Calling Domain() on an IPv4Address.")
+}
+
+func (ipv4Address) Family() AddressFamily {
+	return AddressFamilyIPv4
+}
+
+func (a ipv4Address) String() string {
+	return a.IP().String()
+}
+
+type ipv6Address [16]byte
+
+func (a ipv6Address) IP() net.IP {
+	return net.IP(a[:])
+}
+
+func (ipv6Address) Domain() string {
+	panic("Calling Domain() on an IPv6Address.")
+}
+
+func (ipv6Address) Family() AddressFamily {
+	return AddressFamilyIPv6
+}
+
+func (a ipv6Address) String() string {
+	return "[" + a.IP().String() + "]"
+}
+
+type domainAddress string
+
+func (domainAddress) IP() net.IP {
+	panic("Calling IP() on a DomainAddress.")
+}
+
+func (a domainAddress) Domain() string {
+	return string(a)
+}
+
+func (domainAddress) Family() AddressFamily {
+	return AddressFamilyDomain
+}
+
+func (a domainAddress) String() string {
+	return a.Domain()
+}

common/xray/net/destination.go

@@ -0,0 +1,146 @@
+package net
+
+import (
+	"net"
+	"strings"
+)
+
+// Destination represents a network destination including address and protocol (tcp / udp).
+type Destination struct {
+	Address Address
+	Port    Port
+	Network Network
+}
+
+// DestinationFromAddr generates a Destination from a net address.
+func DestinationFromAddr(addr net.Addr) Destination {
+	switch addr := addr.(type) {
+	case *net.TCPAddr:
+		return TCPDestination(IPAddress(addr.IP), Port(addr.Port))
+	case *net.UDPAddr:
+		return UDPDestination(IPAddress(addr.IP), Port(addr.Port))
+	case *net.UnixAddr:
+		return UnixDestination(DomainAddress(addr.Name))
+	default:
+		panic("Net: Unknown address type.")
+	}
+}
+
+// ParseDestination converts a destination from its string presentation.
+func ParseDestination(dest string) (Destination, error) {
+	d := Destination{
+		Address: AnyIP,
+		Port:    Port(0),
+	}
+	if strings.HasPrefix(dest, "tcp:") {
+		d.Network = Network_TCP
+		dest = dest[4:]
+	} else if strings.HasPrefix(dest, "udp:") {
+		d.Network = Network_UDP
+		dest = dest[4:]
+	} else if strings.HasPrefix(dest, "unix:") {
+		d = UnixDestination(DomainAddress(dest[5:]))
+		return d, nil
+	}
+
+	hstr, pstr, err := SplitHostPort(dest)
+	if err != nil {
+		return d, err
+	}
+	if len(hstr) > 0 {
+		d.Address = ParseAddress(hstr)
+	}
+	if len(pstr) > 0 {
+		port, err := PortFromString(pstr)
+		if err != nil {
+			return d, err
+		}
+		d.Port = port
+	}
+	return d, nil
+}
+
+// TCPDestination creates a TCP destination with given address
+func TCPDestination(address Address, port Port) Destination {
+	return Destination{
+		Network: Network_TCP,
+		Address: address,
+		Port:    port,
+	}
+}
+
+// UDPDestination creates a UDP destination with given address
+func UDPDestination(address Address, port Port) Destination {
+	return Destination{
+		Network: Network_UDP,
+		Address: address,
+		Port:    port,
+	}
+}
+
+// UnixDestination creates a Unix destination with given address
+func UnixDestination(address Address) Destination {
+	return Destination{
+		Network: Network_UNIX,
+		Address: address,
+	}
+}
+
+// NetAddr returns the network address in this Destination in string form.
+func (d Destination) NetAddr() string {
+	addr := ""
+	if d.Network == Network_TCP || d.Network == Network_UDP {
+		addr = d.Address.String() + ":" + d.Port.String()
+	} else if d.Network == Network_UNIX {
+		addr = d.Address.String()
+	}
+	return addr
+}
+
+// RawNetAddr converts a net.Addr from its Destination presentation.
+func (d Destination) RawNetAddr() net.Addr {
+	var addr net.Addr
+	switch d.Network {
+	case Network_TCP:
+		if d.Address.Family().IsIP() {
+			addr = &net.TCPAddr{
+				IP:   d.Address.IP(),
+				Port: int(d.Port),
+			}
+		}
+	case Network_UDP:
+		if d.Address.Family().IsIP() {
+			addr = &net.UDPAddr{
+				IP:   d.Address.IP(),
+				Port: int(d.Port),
+			}
+		}
+	case Network_UNIX:
+		if d.Address.Family().IsDomain() {
+			addr = &net.UnixAddr{
+				Name: d.Address.String(),
+				Net:  d.Network.SystemString(),
+			}
+		}
+	}
+	return addr
+}
+
+// String returns the strings form of this Destination.
+func (d Destination) String() string {
+	prefix := "unknown:"
+	switch d.Network {
+	case Network_TCP:
+		prefix = "tcp:"
+	case Network_UDP:
+		prefix = "udp:"
+	case Network_UNIX:
+		prefix = "unix:"
+	}
+	return prefix + d.NetAddr()
+}
+
+// IsValid returns true if this Destination is valid.
+func (d Destination) IsValid() bool {
+	return d.Network != Network_Unknown
+}

common/xray/net/net.go

@@ -0,0 +1,13 @@
+package net
+
+import "time"
+
+// defines the maximum time an idle TCP session can survive in the tunnel, so
+// it should be consistent across HTTP versions and with other transports.
+const ConnIdleTimeout = 300 * time.Second
+
+// consistent with quic-go
+const QuicgoH3KeepAlivePeriod = 10 * time.Second
+
+// consistent with chrome
+const ChromeH2KeepAlivePeriod = 45 * time.Second

common/xray/net/network.go

@@ -0,0 +1,33 @@
+package net
+
+type Network int32
+
+const (
+	Network_Unknown Network = 0
+	Network_TCP     Network = 2
+	Network_UDP     Network = 3
+	Network_UNIX    Network = 4
+)
+
+func (n Network) SystemString() string {
+	switch n {
+	case Network_TCP:
+		return "tcp"
+	case Network_UDP:
+		return "udp"
+	case Network_UNIX:
+		return "unix"
+	default:
+		return "unknown"
+	}
+}
+
+// HasNetwork returns true if the network list has a certain network.
+func HasNetwork(list []Network, network Network) bool {
+	for _, value := range list {
+		if value == network {
+			return true
+		}
+	}
+	return false
+}

common/xray/net/port.go

@@ -0,0 +1,55 @@
+package net
+
+import (
+	"encoding/binary"
+	"strconv"
+
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+// Port represents a network port in TCP and UDP protocol.
+type Port uint16
+
+// PortFromBytes converts a byte array to a Port, assuming bytes are in big endian order.
+// @unsafe Caller must ensure that the byte array has at least 2 elements.
+func PortFromBytes(port []byte) Port {
+	return Port(binary.BigEndian.Uint16(port))
+}
+
+// PortFromInt converts an integer to a Port.
+// @error when the integer is not positive or larger then 65535
+func PortFromInt(val uint32) (Port, error) {
+	if val > 65535 {
+		return Port(0), E.New("invalid port range: ", val)
+	}
+	return Port(val), nil
+}
+
+// PortFromString converts a string to a Port.
+// @error when the string is not an integer or the integral value is a not a valid Port.
+func PortFromString(s string) (Port, error) {
+	val, err := strconv.ParseUint(s, 10, 32)
+	if err != nil {
+		return Port(0), E.New("invalid port range: ", s)
+	}
+	return PortFromInt(uint32(val))
+}
+
+// Value return the corresponding uint16 value of a Port.
+func (p Port) Value() uint16 {
+	return uint16(p)
+}
+
+// String returns the string presentation of a Port.
+func (p Port) String() string {
+	return strconv.Itoa(int(p))
+}
+
+type MemoryPortRange struct {
+	From Port
+	To   Port
+}
+
+func (r MemoryPortRange) Contains(port Port) bool {
+	return r.From <= port && port <= r.To
+}

common/xray/net/system.go

@@ -0,0 +1,84 @@
+package net
+
+import "net"
+
+// DialTCP is an alias of net.DialTCP.
+var (
+	DialTCP  = net.DialTCP
+	DialUDP  = net.DialUDP
+	DialUnix = net.DialUnix
+	Dial     = net.Dial
+)
+
+type ListenConfig = net.ListenConfig
+
+var (
+	Listen     = net.Listen
+	ListenTCP  = net.ListenTCP
+	ListenUDP  = net.ListenUDP
+	ListenUnix = net.ListenUnix
+)
+
+var LookupIP = net.LookupIP
+
+var FileConn = net.FileConn
+
+// ParseIP is an alias of net.ParseIP
+var ParseIP = net.ParseIP
+
+var SplitHostPort = net.SplitHostPort
+
+var CIDRMask = net.CIDRMask
+
+type (
+	Addr       = net.Addr
+	Conn       = net.Conn
+	PacketConn = net.PacketConn
+)
+
+type (
+	TCPAddr = net.TCPAddr
+	TCPConn = net.TCPConn
+)
+
+type (
+	UDPAddr = net.UDPAddr
+	UDPConn = net.UDPConn
+)
+
+type (
+	UnixAddr = net.UnixAddr
+	UnixConn = net.UnixConn
+)
+
+// IP is an alias for net.IP.
+type (
+	IP     = net.IP
+	IPMask = net.IPMask
+	IPNet  = net.IPNet
+)
+
+const (
+	IPv4len = net.IPv4len
+	IPv6len = net.IPv6len
+)
+
+type (
+	Error     = net.Error
+	AddrError = net.AddrError
+)
+
+type (
+	Dialer       = net.Dialer
+	Listener     = net.Listener
+	TCPListener  = net.TCPListener
+	UnixListener = net.UnixListener
+)
+
+var (
+	ResolveTCPAddr  = net.ResolveTCPAddr
+	ResolveUDPAddr  = net.ResolveUDPAddr
+	ResolveUnixAddr = net.ResolveUnixAddr
+)
+
+type Resolver = net.Resolver

common/xray/pipe/impl.go

@@ -0,0 +1,215 @@
+package pipe
+
+import (
+	"errors"
+	"io"
+	"runtime"
+	"sync"
+	"time"
+
+	"github.com/sagernet/sing-box/common/xray"
+	"github.com/sagernet/sing-box/common/xray/buf"
+	"github.com/sagernet/sing-box/common/xray/signal"
+	"github.com/sagernet/sing-box/common/xray/signal/done"
+)
+
+type state byte
+
+const (
+	open state = iota
+	closed
+	errord
+)
+
+type pipeOption struct {
+	limit           int32 // maximum buffer size in bytes
+	discardOverflow bool
+}
+
+func (o *pipeOption) isFull(curSize int32) bool {
+	return o.limit >= 0 && curSize > o.limit
+}
+
+type pipe struct {
+	sync.Mutex
+	data        buf.MultiBuffer
+	readSignal  *signal.Notifier
+	writeSignal *signal.Notifier
+	done        *done.Instance
+	errChan     chan error
+	option      pipeOption
+	state       state
+}
+
+var (
+	errBufferFull = errors.New("buffer full")
+	errSlowDown   = errors.New("slow down")
+)
+
+func (p *pipe) Len() int32 {
+	data := p.data
+	if data == nil {
+		return 0
+	}
+	return data.Len()
+}
+
+func (p *pipe) getState(forRead bool) error {
+	switch p.state {
+	case open:
+		if !forRead && p.option.isFull(p.data.Len()) {
+			return errBufferFull
+		}
+		return nil
+	case closed:
+		if !forRead {
+			return io.ErrClosedPipe
+		}
+		if !p.data.IsEmpty() {
+			return nil
+		}
+		return io.EOF
+	case errord:
+		return io.ErrClosedPipe
+	default:
+		panic("impossible case")
+	}
+}
+
+func (p *pipe) readMultiBufferInternal() (buf.MultiBuffer, error) {
+	p.Lock()
+	defer p.Unlock()
+
+	if err := p.getState(true); err != nil {
+		return nil, err
+	}
+
+	data := p.data
+	p.data = nil
+	return data, nil
+}
+
+func (p *pipe) ReadMultiBuffer() (buf.MultiBuffer, error) {
+	for {
+		data, err := p.readMultiBufferInternal()
+		if data != nil || err != nil {
+			p.writeSignal.Signal()
+			return data, err
+		}
+
+		select {
+		case <-p.readSignal.Wait():
+		case <-p.done.Wait():
+		case err = <-p.errChan:
+			return nil, err
+		}
+	}
+}
+
+func (p *pipe) ReadMultiBufferTimeout(d time.Duration) (buf.MultiBuffer, error) {
+	timer := time.NewTimer(d)
+	defer timer.Stop()
+
+	for {
+		data, err := p.readMultiBufferInternal()
+		if data != nil || err != nil {
+			p.writeSignal.Signal()
+			return data, err
+		}
+
+		select {
+		case <-p.readSignal.Wait():
+		case <-p.done.Wait():
+		case <-timer.C:
+			return nil, buf.ErrReadTimeout
+		}
+	}
+}
+
+func (p *pipe) writeMultiBufferInternal(mb buf.MultiBuffer) error {
+	p.Lock()
+	defer p.Unlock()
+
+	if err := p.getState(false); err != nil {
+		return err
+	}
+
+	if p.data == nil {
+		p.data = mb
+		return nil
+	}
+
+	p.data, _ = buf.MergeMulti(p.data, mb)
+	return errSlowDown
+}
+
+func (p *pipe) WriteMultiBuffer(mb buf.MultiBuffer) error {
+	if mb.IsEmpty() {
+		return nil
+	}
+
+	for {
+		err := p.writeMultiBufferInternal(mb)
+		if err == nil {
+			p.readSignal.Signal()
+			return nil
+		}
+
+		if err == errSlowDown {
+			p.readSignal.Signal()
+
+			// Yield current goroutine. Hopefully the reading counterpart can pick up the payload.
+			runtime.Gosched()
+			return nil
+		}
+
+		if err == errBufferFull && p.option.discardOverflow {
+			buf.ReleaseMulti(mb)
+			return nil
+		}
+
+		if err != errBufferFull {
+			buf.ReleaseMulti(mb)
+			p.readSignal.Signal()
+			return err
+		}
+
+		select {
+		case <-p.writeSignal.Wait():
+		case <-p.done.Wait():
+			return io.ErrClosedPipe
+		}
+	}
+}
+
+func (p *pipe) Close() error {
+	p.Lock()
+	defer p.Unlock()
+
+	if p.state == closed || p.state == errord {
+		return nil
+	}
+
+	p.state = closed
+	common.Must(p.done.Close())
+	return nil
+}
+
+// Interrupt implements common.Interruptible.
+func (p *pipe) Interrupt() {
+	p.Lock()
+	defer p.Unlock()
+
+	if p.state == closed || p.state == errord {
+		return
+	}
+
+	p.state = errord
+
+	if !p.data.IsEmpty() {
+		buf.ReleaseMulti(p.data)
+		p.data = nil
+	}
+
+	common.Must(p.done.Close())
+}

common/xray/pipe/pipe.go

@@ -0,0 +1,53 @@
+package pipe
+
+import (
+	"github.com/sagernet/sing-box/common/xray/signal"
+	"github.com/sagernet/sing-box/common/xray/signal/done"
+)
+
+// Option for creating new Pipes.
+type Option func(*pipeOption)
+
+// WithoutSizeLimit returns an Option for Pipe to have no size limit.
+func WithoutSizeLimit() Option {
+	return func(opt *pipeOption) {
+		opt.limit = -1
+	}
+}
+
+// WithSizeLimit returns an Option for Pipe to have the given size limit.
+func WithSizeLimit(limit int32) Option {
+	return func(opt *pipeOption) {
+		opt.limit = limit
+	}
+}
+
+// DiscardOverflow returns an Option for Pipe to discard writes if full.
+func DiscardOverflow() Option {
+	return func(opt *pipeOption) {
+		opt.discardOverflow = true
+	}
+}
+
+// New creates a new Reader and Writer that connects to each other.
+func New(opts ...Option) (*Reader, *Writer) {
+	p := &pipe{
+		readSignal:  signal.NewNotifier(),
+		writeSignal: signal.NewNotifier(),
+		done:        done.New(),
+		errChan:     make(chan error, 1),
+		option: pipeOption{
+			limit: -1,
+		},
+	}
+
+	for _, opt := range opts {
+		opt(&(p.option))
+	}
+
+	return &Reader{
+			pipe: p,
+		}, &Writer{
+			pipe: p,
+		}
+}

common/xray/pipe/reader.go

@@ -0,0 +1,41 @@
+package pipe
+
+import (
+	"time"
+
+	"github.com/sagernet/sing-box/common/xray/buf"
+)
+
+// Reader is a buf.Reader that reads content from a pipe.
+type Reader struct {
+	pipe *pipe
+}
+
+// ReadMultiBuffer implements buf.Reader.
+func (r *Reader) ReadMultiBuffer() (buf.MultiBuffer, error) {
+	return r.pipe.ReadMultiBuffer()
+}
+
+// ReadMultiBufferTimeout reads content from a pipe within the given duration, or returns buf.ErrTimeout otherwise.
+func (r *Reader) ReadMultiBufferTimeout(d time.Duration) (buf.MultiBuffer, error) {
+	return r.pipe.ReadMultiBufferTimeout(d)
+}
+
+// Interrupt implements common.Interruptible.
+func (r *Reader) Interrupt() {
+	r.pipe.Interrupt()
+}
+
+// ReturnAnError makes ReadMultiBuffer return an error, only once.
+func (r *Reader) ReturnAnError(err error) {
+	r.pipe.errChan <- err
+}
+
+// Recover catches an error set by ReturnAnError, if exists.
+func (r *Reader) Recover() (err error) {
+	select {
+	case err = <-r.pipe.errChan:
+	default:
+	}
+	return
+}

common/xray/pipe/writer.go

@@ -0,0 +1,29 @@
+package pipe
+
+import (
+	"github.com/sagernet/sing-box/common/xray/buf"
+)
+
+// Writer is a buf.Writer that writes data into a pipe.
+type Writer struct {
+	pipe *pipe
+}
+
+// WriteMultiBuffer implements buf.Writer.
+func (w *Writer) WriteMultiBuffer(mb buf.MultiBuffer) error {
+	return w.pipe.WriteMultiBuffer(mb)
+}
+
+// Close implements io.Closer. After the pipe is closed, writing to the pipe will return io.ErrClosedPipe, while reading will return io.EOF.
+func (w *Writer) Close() error {
+	return w.pipe.Close()
+}
+
+func (w *Writer) Len() int32 {
+	return w.pipe.Len()
+}
+
+// Interrupt implements common.Interruptible.
+func (w *Writer) Interrupt() {
+	w.pipe.Interrupt()
+}

common/xray/serial/serial.go

@@ -0,0 +1,29 @@
+package serial
+
+import (
+	"encoding/binary"
+	"io"
+)
+
+// ReadUint16 reads first two bytes from the reader, and then converts them to an uint16 value.
+func ReadUint16(reader io.Reader) (uint16, error) {
+	var b [2]byte
+	if _, err := io.ReadFull(reader, b[:]); err != nil {
+		return 0, err
+	}
+	return binary.BigEndian.Uint16(b[:]), nil
+}
+
+// WriteUint16 writes an uint16 value into writer.
+func WriteUint16(writer io.Writer, value uint16) (int, error) {
+	var b [2]byte
+	binary.BigEndian.PutUint16(b[:], value)
+	return writer.Write(b[:])
+}
+
+// WriteUint64 writes an uint64 value into writer.
+func WriteUint64(writer io.Writer, value uint64) (int, error) {
+	var b [8]byte
+	binary.BigEndian.PutUint64(b[:], value)
+	return writer.Write(b[:])
+}

common/xray/serial/string.go

@@ -0,0 +1,35 @@
+package serial
+
+import (
+	"fmt"
+	"strings"
+)
+
+// ToString serializes an arbitrary value into string.
+func ToString(v interface{}) string {
+	if v == nil {
+		return ""
+	}
+
+	switch value := v.(type) {
+	case string:
+		return value
+	case *string:
+		return *value
+	case fmt.Stringer:
+		return value.String()
+	case error:
+		return value.Error()
+	default:
+		return fmt.Sprintf("%+v", value)
+	}
+}
+
+// Concat concatenates all input into a single string.
+func Concat(v ...interface{}) string {
+	builder := strings.Builder{}
+	for _, value := range v {
+		builder.WriteString(ToString(value))
+	}
+	return builder.String()
+}

common/xray/signal/done/done.go

@@ -0,0 +1,49 @@
+package done
+
+import (
+	"sync"
+)
+
+// Instance is a utility for notifications of something being done.
+type Instance struct {
+	access sync.Mutex
+	c      chan struct{}
+	closed bool
+}
+
+// New returns a new Done.
+func New() *Instance {
+	return &Instance{
+		c: make(chan struct{}),
+	}
+}
+
+// Done returns true if Close() is called.
+func (d *Instance) Done() bool {
+	select {
+	case <-d.Wait():
+		return true
+	default:
+		return false
+	}
+}
+
+// Wait returns a channel for waiting for done.
+func (d *Instance) Wait() <-chan struct{} {
+	return d.c
+}
+
+// Close marks this Done 'done'. This method may be called multiple times. All calls after first call will have no effect on its status.
+func (d *Instance) Close() error {
+	d.access.Lock()
+	defer d.access.Unlock()
+
+	if d.closed {
+		return nil
+	}
+
+	d.closed = true
+	close(d.c)
+
+	return nil
+}