documentation: Bump version

.fpm_openwrt

@@ -1,30 +0,0 @@
--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

@@ -1,25 +0,0 @@
--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
---after-install release/config/sing-box.postinst
-
-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/config/sing-box.sysusers=/usr/lib/sysusers.d/sing-box.conf
-release/config/sing-box.rules=usr/share/polkit-1/rules.d/sing-box.rules
-release/config/sing-box-split-dns.xml=/usr/share/dbus-1/system.d/sing-box-split-dns.conf
-
-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

@@ -1,28 +0,0 @@
-#!/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/setup_legacy_go.sh

@@ -1,25 +0,0 @@
-#!/usr/bin/env bash
-
-VERSION="1.23.12"
-
-mkdir -p $HOME/go
-cd $HOME/go
-wget "https://dl.google.com/go/go${VERSION}.linux-amd64.tar.gz"
-tar -xzf "go${VERSION}.linux-amd64.tar.gz"
-mv go go_legacy
-cd go_legacy
-
-# modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
-# this patch file only works on golang1.23.x
-# that means after golang1.24 release it must be changed
-# see: https://github.com/MetaCubeX/go/commits/release-branch.go1.23/
-# revert:
-# 693def151adff1af707d82d28f55dba81ceb08e1: "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
-# 7c1157f9544922e96945196b47b95664b1e39108: "net: remove sysSocket fallback for Windows 7"
-# 48042aa09c2f878c4faa576948b07fe625c4707a: "syscall: remove Windows 7 console handle workaround"
-# a17d959debdb04cd550016a3501dd09d50cd62e7: "runtime: always use LoadLibraryEx to load system libraries"
-
-curl https://github.com/MetaCubeX/go/commit/9ac42137ef6730e8b7daca016ece831297a1d75b.diff | patch --verbose -p 1
-curl https://github.com/MetaCubeX/go/commit/21290de8a4c91408de7c2b5b68757b1e90af49dd.diff | patch --verbose -p 1
-curl https://github.com/MetaCubeX/go/commit/6a31d3fa8e47ddabc10bd97bff10d9a85f4cfb76.diff | patch --verbose -p 1
-curl https://github.com/MetaCubeX/go/commit/69e2eed6dd0f6d815ebf15797761c13f31213dd6.diff | patch --verbose -p 1

.github/workflows/build.yml

@@ -40,13 +40,13 @@ jobs:
       version: ${{ steps.outputs.outputs.version }}
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ^1.25.0
+          go-version: ^1.23
       - name: Check input version
         if: github.event_name == 'workflow_dispatch'
         run: |-
@@ -55,7 +55,7 @@ jobs:
       - name: Calculate version
         if: github.event_name != 'workflow_dispatch'
         run: |-
-          go run -v ./cmd/internal/read_tag --ci --nightly
+          go run -v ./cmd/internal/read_tag --nightly
       - name: Set outputs
         id: outputs
         run: |-
@@ -69,222 +69,140 @@ jobs:
     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_go123: true, legacy_name: "windows-7" }
-          - { os: windows, arch: "386" }
-          - { os: windows, arch: "386", legacy_go123: true, legacy_name: "windows-7" }
-          - { os: windows, arch: arm64 }
-
-          - { os: darwin, arch: amd64 }
-          - { os: darwin, arch: arm64 }
-          - { os: darwin, arch: amd64, legacy_go124: true, legacy_name: "macos-11" }
-
-          - { 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" }
+          - name: linux_386
+            goos: linux
+            goarch: 386
+          - name: linux_amd64
+            goos: linux
+            goarch: amd64
+          - name: linux_arm64
+            goos: linux
+            goarch: arm64
+          - name: linux_arm
+            goos: linux
+            goarch: arm
+            goarm: 6
+          - name: linux_arm_v7
+            goos: linux
+            goarch: arm
+            goarm: 7
+          - name: linux_s390x
+            goos: linux
+            goarch: s390x
+          - name: linux_riscv64
+            goos: linux
+            goarch: riscv64
+          - name: linux_mips64le
+            goos: linux
+            goarch: mips64le
+          - name: windows_amd64
+            goos: windows
+            goarch: amd64
+            require_legacy_go: true
+          - name: windows_386
+            goos: windows
+            goarch: 386
+            require_legacy_go: true
+          - name: windows_arm64
+            goos: windows
+            goarch: arm64
+          - name: darwin_arm64
+            goos: darwin
+            goarch: arm64
+          - name: darwin_amd64
+            goos: darwin
+            goarch: amd64
+            require_legacy_go: true
+          - name: android_arm64
+            goos: android
+            goarch: arm64
+          - name: android_arm
+            goos: android
+            goarch: arm
+            goarm: 7
+          - name: android_amd64
+            goos: android
+            goarch: amd64
+          - name: android_386
+            goos: android
+            goarch: 386
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Setup Go
-        if: ${{ ! (matrix.legacy_go123 || matrix.legacy_go124) }}
         uses: actions/setup-go@v5
         with:
-          go-version: ^1.25.0
-      - name: Setup Go 1.24
-        if: matrix.legacy_go124
-        uses: actions/setup-go@v5
-        with:
-          go-version: ~1.24.6
-      - name: Cache Go 1.23
-        if: matrix.legacy_go123
+          go-version: ^1.23
+      - name: Cache legacy Go
+        if: matrix.require_legacy_go
         id: cache-legacy-go
         uses: actions/cache@v4
         with:
           path: |
-            ~/go/go_legacy
-          key: go_legacy_12312
-      - name: Setup Go 1.23
-        if: matrix.legacy_go123 && steps.cache-legacy-go.outputs.cache-hit != 'true'
+            ~/go/go1.20.14
+          key: go120
+      - name: Setup legacy Go
+        if: matrix.require_legacy_go == 'true' && steps.cache-legacy-go.outputs.cache-hit != 'true'
         run: |-
-          .github/setup_legacy_go.sh
-      - name: Setup Go 1.23
-        if: matrix.legacy_go123
-        run: |-
-          echo "PATH=$HOME/go/go_legacy/bin:$PATH" >> $GITHUB_ENV
-          echo "GOROOT=$HOME/go/go_legacy" >> $GITHUB_ENV
+          wget https://dl.google.com/go/go1.20.14.linux-amd64.tar.gz
+          tar -xzf go1.20.14.linux-amd64.tar.gz
+          mv go $HOME/go/go1.20.14
       - name: Setup Android NDK
-        if: matrix.os == 'android'
+        if: matrix.goos == 'android'
         uses: nttld/setup-ndk@v1
         with:
-          ndk-version: r28
+          ndk-version: r28-beta2
           local-cache: true
+      - name: Setup Goreleaser
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          distribution: goreleaser-pro
+          version: latest
+          install-only: true
+      - name: Extract signing key
+        run: |-
+          mkdir -p $HOME/.gnupg
+          cat > $HOME/.gnupg/sagernet.key <<EOF
+          ${{ secrets.GPG_KEY }}
+          EOF
+          echo "HOME=$HOME" >> "$GITHUB_ENV"
       - name: Set tag
         run: |-
-          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
-          git tag v${{ needs.calculate_version.outputs.version }} -f
-      - name: Set build tags
-        run: |
-          set -xeuo pipefail
-          TAGS='with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale'
-          echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
+          git tag v${{ needs.calculate_version.outputs.version }}
       - name: Build
-        if: matrix.os != 'android'
-        run: |
-          set -xeuo pipefail
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }} -checklinkname=0' \
-          ./cmd/sing-box
+        if: matrix.goos != 'android'
+        run: |-
+          goreleaser release --clean --split
         env:
-          CGO_ENABLED: "0"
-          GOOS: ${{ matrix.os }}
-          GOARCH: ${{ matrix.arch }}
-          GO386: ${{ matrix.go386 }}
+          GOOS: ${{ matrix.goos }}
+          GOARCH: ${{ matrix.goarch }}
+          GOPATH: ${{ env.HOME }}/go
           GOARM: ${{ matrix.goarm }}
-          GOMIPS: ${{ matrix.gomips }}
-          GOMIPS64: ${{ matrix.gomips }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}
+          NFPM_KEY_PATH: ${{ env.HOME }}/.gnupg/sagernet.key
+          NFPM_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
       - name: Build Android
-        if: matrix.os == 'android'
-        run: |
-          set -xeuo pipefail
+        if: matrix.goos == 'android'
+        run: |-
           go install -v ./cmd/internal/build
-          export CC='${{ 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=${{ needs.calculate_version.outputs.version }} -checklinkname=0' \
-          ./cmd/sing-box
+          GOOS=$BUILD_GOOS GOARCH=$BUILD_GOARCH build goreleaser release --clean --split
         env:
-          CGO_ENABLED: "1"
-          BUILD_GOOS: ${{ matrix.os }}
-          BUILD_GOARCH: ${{ matrix.arch }}
+          BUILD_GOOS: ${{ matrix.goos }}
+          BUILD_GOARCH: ${{ matrix.goarch }}
+          GOARM: ${{ matrix.goarm }}
           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}-${{ matrix.gomips }}"
-          elif [[ -n "${{ matrix.legacy_name }}" ]]; then
-            DIR_NAME="${DIR_NAME}-legacy-${{ matrix.legacy_name }}"
-          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
+          GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}
+          NFPM_KEY_PATH: ${{ env.HOME }}/.gnupg/sagernet.key
+          NFPM_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
       - name: Upload artifact
+        if: github.event_name == 'workflow_dispatch'
         uses: actions/upload-artifact@v4
         with:
-          name: binary-${{ matrix.os }}_${{ matrix.arch }}${{ matrix.goarm && format('v{0}', matrix.goarm) }}${{ matrix.go386 && format('_{0}', matrix.go386) }}${{ matrix.gomips && format('_{0}', matrix.gomips) }}${{ matrix.legacy_name && format('-legacy-{0}', matrix.legacy_name) }}
-          path: "dist"
+          name: binary-${{ matrix.name }}
+          path: 'dist'
   build_android:
     name: Build Android
     if: github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Android'
@@ -293,27 +211,26 @@ jobs:
       - calculate_version
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
           submodules: 'recursive'
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ^1.25.0
+          go-version: ^1.23
       - name: Setup Android NDK
         id: setup-ndk
         uses: nttld/setup-ndk@v1
         with:
-          ndk-version: r28
+          ndk-version: r28-beta2
       - name: Setup OpenJDK
         run: |-
           sudo apt update && sudo apt install -y openjdk-17-jdk-headless
           /usr/lib/jvm/java-17-openjdk-amd64/bin/java --version
       - name: Set tag
         run: |-
-          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
-          git tag v${{ needs.calculate_version.outputs.version }} -f
+          git tag v${{ needs.calculate_version.outputs.version }}
       - name: Build library
         run: |-
           make lib_install
@@ -337,16 +254,9 @@ jobs:
         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: |-
+          go run -v ./cmd/internal/update_android_version --ci
           mkdir clients/android/app/libs
           cp libbox.aar clients/android/app/libs
           cd clients/android
@@ -356,11 +266,13 @@ jobs:
           ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
           LOCAL_PROPERTIES: ${{ secrets.LOCAL_PROPERTIES }}
       - name: Prepare upload
+        if: github.event_name == 'workflow_dispatch'
         run: |-
-          mkdir -p dist
-          cp clients/android/app/build/outputs/apk/play/release/*.apk dist
-          cp clients/android/app/build/outputs/apk/other/release/*-universal.apk dist
+          mkdir -p dist/release
+          cp clients/android/app/build/outputs/apk/play/release/*.apk dist/release
+          cp clients/android/app/build/outputs/apk/other/release/*-universal.apk dist/release
       - name: Upload artifact
+        if: github.event_name == 'workflow_dispatch'
         uses: actions/upload-artifact@v4
         with:
           name: binary-android-apks
@@ -373,27 +285,26 @@ jobs:
       - calculate_version
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
           submodules: 'recursive'
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ^1.25.0
+          go-version: ^1.23
       - name: Setup Android NDK
         id: setup-ndk
         uses: nttld/setup-ndk@v1
         with:
-          ndk-version: r28
+          ndk-version: r28-beta2
       - name: Setup OpenJDK
         run: |-
           sudo apt update && sudo apt install -y openjdk-17-jdk-headless
           /usr/lib/jvm/java-17-openjdk-amd64/bin/java --version
       - name: Set tag
         run: |-
-          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
-          git tag v${{ needs.calculate_version.outputs.version }} -f
+          git tag v${{ needs.calculate_version.outputs.version }}
       - name: Build library
         run: |-
           make lib_install
@@ -470,7 +381,7 @@ jobs:
     steps:
       - name: Checkout
         if: matrix.if
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
           submodules: 'recursive'
@@ -478,20 +389,20 @@ jobs:
         if: matrix.if
         uses: actions/setup-go@v5
         with:
-          go-version: ^1.25.0
+          go-version: ^1.23
       - name: Setup Xcode stable
         if: matrix.if && github.ref == 'refs/heads/main-next'
         run: |-
-          sudo xcode-select -s /Applications/Xcode_16.4.app
+          sudo xcode-select -s /Applications/Xcode_16.1.app
       - name: Setup Xcode beta
         if: matrix.if && github.ref == 'refs/heads/dev-next'
         run: |-
-          sudo xcode-select -s /Applications/Xcode_16.4.app
+          sudo xcode-select -s /Applications/Xcode_16.2_Release_Candidate.app || \
+            sudo xcode-select -s /Applications/Xcode_16.1.app # TODO: remove after hosted runners update
       - name: Set tag
         if: matrix.if
         run: |-
-          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
-          git tag v${{ needs.calculate_version.outputs.version }} -f
+          git tag v${{ needs.calculate_version.outputs.version }}
           echo "VERSION=${{ needs.calculate_version.outputs.version }}" >> "$GITHUB_ENV"
       - name: Checkout main branch
         if: matrix.if && github.ref == 'refs/heads/main-next' && github.event_name != 'workflow_dispatch'
@@ -555,13 +466,10 @@ jobs:
           MACOS_PROJECT_VERSION=$(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" >> "$GITHUB_ENV"
-      - name: Update version
-        if: matrix.if && matrix.name != 'iOS'
-        run: |-
-          go run -v ./cmd/internal/update_apple_version --ci
       - name: Build
         if: matrix.if
         run: |-
+          go run -v ./cmd/internal/update_apple_version --ci
           cd clients/apple
           xcodebuild archive \
             -scheme "${{ matrix.scheme }}" \
@@ -584,10 +492,6 @@ jobs:
             -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: |-
@@ -610,9 +514,9 @@ jobs:
           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-${VERSION}-universal.dSYMs.zip"
+          mkdir -p dist/release
+          cp clients/apple/SFM.dmg "dist/release/SFM-${VERSION}-universal.dmg"
+          cp "clients/apple/${{ matrix.archive }}/SFM.dSYMs.zip" "dist/release/SFM-${VERSION}-universal.dSYMs.zip"
       - name: Upload image
         if: matrix.if && matrix.name == 'macOS-standalone' && github.event_name == 'workflow_dispatch'
         uses: actions/upload-artifact@v4
@@ -621,7 +525,7 @@ jobs:
           path: 'dist'
   upload:
     name: Upload builds
-    if: "!failure() && github.event_name == 'workflow_dispatch' && (inputs.build == 'All' || inputs.build == 'Binary' || inputs.build == 'Android' || inputs.build == 'Apple' || inputs.build == 'macOS-standalone')"
+    if: always() && github.event_name == 'workflow_dispatch' && inputs.build != 'publish-android'
     runs-on: ubuntu-latest
     needs:
       - calculate_version
@@ -630,9 +534,15 @@ jobs:
       - build_apple
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
+      - name: Setup Goreleaser
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          distribution: goreleaser-pro
+          version: latest
+          install-only: true
       - name: Cache ghr
         uses: actions/cache@v4
         id: cache-ghr
@@ -649,25 +559,25 @@ jobs:
           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${{ needs.calculate_version.outputs.version }} -f
+          git tag v${{ needs.calculate_version.outputs.version }}
           echo "VERSION=${{ needs.calculate_version.outputs.version }}" >> "$GITHUB_ENV"
       - name: Download builds
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
         with:
           path: dist
           merge-multiple: true
+      - name: Merge builds
+        if: github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Binary'
+        run: |-
+          goreleaser continue --merge --skip publish
+          mkdir -p dist/release
+          mv dist/*/sing-box*{tar.gz,zip,deb,rpm,_amd64.pkg.tar.zst,_arm64.pkg.tar.zst} dist/release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}
       - name: Upload builds
-        if: ${{ env.PUBLISHED == 'false' }}
         run: |-
           export PATH="$PATH:$HOME/go/bin"
-          ghr --replace --draft --prerelease -p 5 "v${VERSION}" dist
-        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
+          ghr --replace --draft --prerelease -p 5 "v${VERSION}" dist/release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/docker.yml

@@ -39,7 +39,7 @@ jobs:
           echo "ref=$ref"
           echo "ref=$ref" >> $GITHUB_OUTPUT
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           ref: ${{ steps.ref.outputs.ref }}
           fetch-depth: 0
@@ -107,7 +107,7 @@ jobs:
           echo "latest=$latest"
           echo "latest=$latest" >> $GITHUB_OUTPUT
       - name: Download digests
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
         with:
           path: /tmp/digests
           pattern: digests-*

.github/workflows/lint.yml

@@ -22,17 +22,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ~1.24.6
+          go-version: ^1.23
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@v6
         with:
           version: latest
           args: --timeout=30m
           install-mode: binary
-          verify: false

.github/workflows/linux.yml

@@ -1,189 +1,38 @@
-name: Build Linux Packages
+name: Release to Linux repository
 
 on:
-  workflow_dispatch:
-    inputs:
-      version:
-        description: "Version name"
-        required: true
-        type: string
-      forceBeta:
-        description: "Force beta"
-        required: false
-        type: boolean
-        default: false
   release:
     types:
       - published
 
 jobs:
-  calculate_version:
-    name: Calculate version
-    runs-on: ubuntu-latest
-    outputs:
-      version: ${{ steps.outputs.outputs.version }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
-        with:
-          fetch-depth: 0
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: ^1.25.0
-      - name: Check input version
-        if: github.event_name == 'workflow_dispatch'
-        run: |-
-          echo "version=${{ 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
     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@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ^1.25.0
-      - name: Setup Android NDK
-        if: matrix.os == 'android'
-        uses: nttld/setup-ndk@v1
-        with:
-          ndk-version: r28
-          local-cache: true
-      - name: Set tag
+          go-version: ^1.23
+      - name: Extract signing key
         run: |-
-          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
-          git tag v${{ needs.calculate_version.outputs.version }} -f
-      - name: Set build tags
-        run: |
-          set -xeuo pipefail
-          TAGS='with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale'
-          echo "BUILD_TAGS=${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
+          mkdir -p $HOME/.gnupg
+          cat > $HOME/.gnupg/sagernet.key <<EOF
+          ${{ secrets.GPG_KEY }}
+          EOF
+          echo "HOME=$HOME" >> "$GITHUB_ENV"
+      - name: Publish release
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          distribution: goreleaser-pro
+          version: latest
+          args: release -f .goreleaser.fury.yaml --clean
         env:
-          CGO_ENABLED: "0"
-          GOOS: ${{ matrix.os }}
-          GOARCH: ${{ matrix.arch }}
-          GOARM: ${{ matrix.goarm }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Set mtime
-        run: |-
-          TZ=UTC touch -t '197001010000' dist/sing-box
-      - name: Set name
-        if: (! contains(needs.calculate_version.outputs.version, '-')) && !inputs.forceBeta
-        run: |-
-          echo "NAME=sing-box" >> "$GITHUB_ENV"
-      - name: Set beta name
-        if: contains(needs.calculate_version.outputs.version, '-') || inputs.forceBeta
-        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) }}${{ matrix.legacy_go && '-legacy' || '' }}
-          path: "dist"
-  upload:
-    name: Upload builds
-    runs-on: ubuntu-latest
-    needs:
-      - calculate_version
-      - build
-    steps:
-      - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
-        with:
-          fetch-depth: 0
-      - name: Set tag
-        run: |-
-          git ls-remote --exit-code --tags origin v${{ 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@v5
-        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/
+          GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}
+          FURY_TOKEN: ${{ secrets.FURY_TOKEN }}
+          NFPM_KEY_PATH: ${{ env.HOME }}/.gnupg/sagernet.key
+          NFPM_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}

.golangci.yml

@@ -1,59 +1,28 @@
-version: "2"
-run:
-  go: "1.24"
-  build-tags:
-    - with_gvisor
-    - with_quic
-    - with_dhcp
-    - with_wireguard
-    - with_utls
-    - with_acme
-    - with_clash_api
 linters:
-  default: none
+  disable-all: true
   enable:
-    - govet
-    - ineffassign
-    - paralleltest
-    - staticcheck
-  settings:
-    staticcheck:
-      checks:
-        - all
-        - -S1000
-        - -S1008
-        - -S1017
-        - -ST1003
-        - -QF1001
-        - -QF1003
-        - -QF1008
-  exclusions:
-    generated: lax
-    presets:
-      - comments
-      - common-false-positives
-      - legacy
-      - std-error-handling
-    paths:
-      - transport/simple-obfs
-      - third_party$
-      - builtin$
-      - examples$
-formatters:
-  enable:
-    - gci
     - gofumpt
-  settings:
+    - govet
+    - gci
+    - staticcheck
+    - paralleltest
+    - ineffassign
+
+linters-settings:
   gci:
+    custom-order: true
     sections:
       - standard
       - prefix(github.com/sagernet/)
       - default
-      custom-order: true
-  exclusions:
-    generated: lax
-    paths:
+  staticcheck:
+    checks:
+      - all
+      - -SA1003
+
+run:
+  go: "1.23"
+
+issues:
+  exclude-dirs:
     - transport/simple-obfs
-      - third_party$
-      - builtin$
-      - examples$

.goreleaser.fury.yaml

@@ -6,18 +6,17 @@ builds:
       - -v
       - -trimpath
     ldflags:
-      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }}
-      - -s
-      - -buildid=
+      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }} -s -w -buildid=
     tags:
       - with_gvisor
       - with_quic
       - with_dhcp
       - with_wireguard
+      - with_ech
       - with_utls
+      - with_reality_server
       - with_acme
       - with_clash_api
-      - with_tailscale
     env:
       - CGO_ENABLED=0
     targets:
@@ -49,18 +48,12 @@ nfpms:
     contents:
       - src: release/config/config.json
         dst: /etc/sing-box/config.json
-        type: "config|noreplace"
+        type: config
 
       - src: release/config/sing-box.service
         dst: /usr/lib/systemd/system/sing-box.service
       - src: release/config/sing-box@.service
         dst: /usr/lib/systemd/system/sing-box@.service
-      - src: release/config/sing-box.sysusers
-        dst: /usr/lib/sysusers.d/sing-box.conf
-      - src: release/config/sing-box.rules
-        dst: /usr/share/polkit-1/rules.d/sing-box.rules
-      - src: release/config/sing-box-split-dns.xml
-        dst: /usr/share/dbus-1/system.d/sing-box-split-dns.conf
 
       - src: release/completions/sing-box.bash
         dst: /usr/share/bash-completion/completions/sing-box.bash

.goreleaser.yaml

@@ -16,13 +16,13 @@ builds:
       - with_quic
       - with_dhcp
       - with_wireguard
+      - with_ech
       - with_utls
+      - with_reality_server
       - with_acme
       - with_clash_api
-      - with_tailscale
     env:
       - CGO_ENABLED=0
-      - GOTOOLCHAIN=local
     targets:
       - linux_386
       - linux_amd64_v1
@@ -46,21 +46,21 @@ builds:
       - with_dhcp
       - with_wireguard
       - with_utls
+      - with_reality_server
       - with_acme
       - with_clash_api
-      - with_tailscale
     env:
       - CGO_ENABLED=0
-      - GOROOT={{ .Env.GOPATH }}/go_legacy
-    tool: "{{ .Env.GOPATH }}/go_legacy/bin/go"
+      - GOROOT={{ .Env.GOPATH }}/go1.20.14
+    gobinary: "{{ .Env.GOPATH }}/go1.20.14/bin/go"
     targets:
       - windows_amd64_v1
       - windows_386
+      - darwin_amd64_v1
   - id: android
     <<: *template
     env:
       - CGO_ENABLED=1
-      - GOTOOLCHAIN=local
     overrides:
       - goos: android
         goarch: arm
@@ -95,12 +95,10 @@ archives:
     builds:
       - main
       - android
-    formats:
-      - tar.gz
+    format: tar.gz
     format_overrides:
       - goos: windows
-        formats:
-          - zip
+        format: zip
     wrap_in_directory: true
     files:
       - LICENSE
@@ -130,18 +128,12 @@ nfpms:
     contents:
       - src: release/config/config.json
         dst: /etc/sing-box/config.json
-        type: "config|noreplace"
+        type: config
 
       - src: release/config/sing-box.service
         dst: /usr/lib/systemd/system/sing-box.service
       - src: release/config/sing-box@.service
         dst: /usr/lib/systemd/system/sing-box@.service
-      - src: release/config/sing-box.sysusers
-        dst: /usr/lib/sysusers.d/sing-box.conf
-      - src: release/config/sing-box.rules
-        dst: /usr/share/polkit-1/rules.d/sing-box.rules
-      - src: release/config/sing-box-split-dns.xml
-        dst: /usr/share/dbus-1/system.d/sing-box-split-dns.conf
 
       - src: release/completions/sing-box.bash
         dst: /usr/share/bash-completion/completions/sing-box.bash

Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.25-alpine AS builder
+FROM --platform=$BUILDPLATFORM golang:1.23-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
@@ -13,9 +13,9 @@ RUN set -ex \
     && export COMMIT=$(git rev-parse --short HEAD) \
     && export VERSION=$(go run ./cmd/internal/read_tag) \
     && go build -v -trimpath -tags \
-        "with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale" \
+        "with_gvisor,with_quic,with_dhcp,with_wireguard,with_ech,with_utls,with_reality_server,with_acme,with_clash_api" \
         -o /go/bin/sing-box \
-        -ldflags "-X \"github.com/sagernet/sing-box/constant.Version=$VERSION\" -s -w -buildid= -checklinkname=0" \
+        -ldflags "-X \"github.com/sagernet/sing-box/constant.Version=$VERSION\" -s -w -buildid=" \
         ./cmd/sing-box
 FROM --platform=$TARGETPLATFORM alpine AS dist
 LABEL maintainer="nekohasekai <contact-git@sekai.icu>"

Makefile

@@ -1,29 +1,34 @@
 NAME = sing-box
 COMMIT = $(shell git rev-parse --short HEAD)
-TAGS ?= with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale
+TAGS_GO120 = with_gvisor,with_dhcp,with_wireguard,with_reality_server,with_clash_api,with_quic,with_utls
+TAGS_GO121 = with_ech
+TAGS ?= $(TAGS_GO118),$(TAGS_GO120),$(TAGS_GO121)
+TAGS_TEST ?= with_gvisor,with_quic,with_wireguard,with_grpc,with_ech,with_utls,with_reality_server
 
 GOHOSTOS = $(shell go env GOHOSTOS)
 GOHOSTARCH = $(shell go env GOHOSTARCH)
-VERSION=$(shell CGO_ENABLED=0 GOOS=$(GOHOSTOS) GOARCH=$(GOHOSTARCH) go run github.com/sagernet/sing-box/cmd/internal/read_tag@latest)
+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= -checklinkname=0"
-MAIN_PARAMS = $(PARAMS) -tags "$(TAGS)"
+PARAMS = -v -trimpath -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=$(VERSION)' -s -w -buildid="
+MAIN_PARAMS = $(PARAMS) -tags $(TAGS)
 MAIN = ./cmd/sing-box
 PREFIX ?= $(shell go env GOPATH)
 
 .PHONY: test release docs build
 
 build:
-	export GOTOOLCHAIN=local && \
 	go build $(MAIN_PARAMS) $(MAIN)
 
+ci_build_go120:
+	go build $(PARAMS) $(MAIN)
+	go build $(PARAMS) -tags "$(TAGS_GO120)" $(MAIN)
+
 ci_build:
-	export GOTOOLCHAIN=local && \
-	go build $(PARAMS) $(MAIN) && \
+	go build $(PARAMS) $(MAIN)
 	go build $(MAIN_PARAMS) $(MAIN)
 
 generate_completions:
-	go run -v --tags "$(TAGS),generate,generate_completions" $(MAIN)
+	go run -v --tags generate,generate_completions $(MAIN)
 
 install:
 	go build -o $(PREFIX)/bin/$(NAME) $(MAIN_PARAMS) $(MAIN)
@@ -45,7 +50,7 @@ lint:
 	GOOS=freebsd golangci-lint run ./...
 
 lint_install:
-	go install -v github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
+	go install -v github.com/golangci/golangci-lint/cmd/golangci-lint@latest
 
 proto:
 	@go run ./cmd/internal/protogen
@@ -56,9 +61,6 @@ proto_install:
 	go install -v google.golang.org/protobuf/cmd/protoc-gen-go@latest
 	go install -v google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
 
-update_certificates:
-	go run ./cmd/internal/update_certificates
-
 release:
 	go run ./cmd/internal/build goreleaser release --clean --skip publish
 	mkdir dist/release
@@ -108,16 +110,6 @@ upload_ios_app_store:
 	cd ../sing-box-for-apple && \
 	xcodebuild -exportArchive -archivePath build/SFI.xcarchive -exportOptionsPlist SFI/Upload.plist -allowProvisioningUpdates
 
-export_ios_ipa:
-	cd ../sing-box-for-apple && \
-	xcodebuild -exportArchive -archivePath build/SFI.xcarchive -exportOptionsPlist SFI/Export.plist -allowProvisioningUpdates -exportPath build/SFI && \
-	cp build/SFI/sing-box.ipa dist/SFI.ipa
-
-upload_ios_ipa:
-	cd dist && \
-	cp SFI.ipa "SFI-${VERSION}.ipa" && \
-	ghr --replace --draft --prerelease "v${VERSION}" "SFI-${VERSION}.ipa"
-
 release_ios: build_ios upload_ios_app_store
 
 build_macos:
@@ -185,16 +177,6 @@ upload_tvos_app_store:
 	cd ../sing-box-for-apple && \
 	xcodebuild -exportArchive -archivePath "build/SFT.xcarchive" -exportOptionsPlist SFI/Upload.plist -allowProvisioningUpdates
 
-export_tvos_ipa:
-	cd ../sing-box-for-apple && \
-	xcodebuild -exportArchive -archivePath "build/SFT.xcarchive" -exportOptionsPlist SFI/Export.plist -allowProvisioningUpdates -exportPath build/SFT && \
-	cp build/SFT/sing-box.ipa dist/SFT.ipa
-
-upload_tvos_ipa:
-	cd dist && \
-	cp SFT.ipa "SFT-${VERSION}.ipa" && \
-	ghr --replace --draft --prerelease "v${VERSION}" "SFT-${VERSION}.ipa"
-
 release_tvos: build_tvos upload_tvos_app_store
 
 update_apple_version:
@@ -245,8 +227,8 @@ lib:
 	go run ./cmd/internal/build_libbox -target ios
 
 lib_install:
-	go install -v github.com/sagernet/gomobile/cmd/gomobile@v0.1.8
-	go install -v github.com/sagernet/gomobile/cmd/gobind@v0.1.8
+	go install -v github.com/sagernet/gomobile/cmd/gomobile@v0.1.4
+	go install -v github.com/sagernet/gomobile/cmd/gobind@v0.1.4
 
 docs:
 	venv/bin/mkdocs serve

adapter/certificate.go

@@ -1,21 +0,0 @@
-package adapter
-
-import (
-	"context"
-	"crypto/x509"
-
-	"github.com/sagernet/sing/service"
-)
-
-type CertificateStore interface {
-	LifecycleService
-	Pool() *x509.CertPool
-}
-
-func RootPoolFromContext(ctx context.Context) *x509.CertPool {
-	store := service.FromContext[CertificateStore](ctx)
-	if store == nil {
-		return nil
-	}
-	return store.Pool()
-}

adapter/dns.go

@@ -1,94 +0,0 @@
-package adapter
-
-import (
-	"context"
-	"net/netip"
-
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-box/option"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/logger"
-	"github.com/sagernet/sing/service"
-
-	"github.com/miekg/dns"
-)
-
-type DNSRouter interface {
-	Lifecycle
-	Exchange(ctx context.Context, message *dns.Msg, options DNSQueryOptions) (*dns.Msg, error)
-	Lookup(ctx context.Context, domain string, options DNSQueryOptions) ([]netip.Addr, error)
-	ClearCache()
-	LookupReverseMapping(ip netip.Addr) (string, bool)
-	ResetNetwork()
-}
-
-type DNSClient interface {
-	Start()
-	Exchange(ctx context.Context, transport DNSTransport, message *dns.Msg, options DNSQueryOptions, responseChecker func(responseAddrs []netip.Addr) bool) (*dns.Msg, error)
-	Lookup(ctx context.Context, transport DNSTransport, domain string, options DNSQueryOptions, responseChecker func(responseAddrs []netip.Addr) bool) ([]netip.Addr, error)
-	LookupCache(domain string, strategy C.DomainStrategy) ([]netip.Addr, bool)
-	ExchangeCache(ctx context.Context, message *dns.Msg) (*dns.Msg, bool)
-	ClearCache()
-}
-
-type DNSQueryOptions struct {
-	Transport      DNSTransport
-	Strategy       C.DomainStrategy
-	LookupStrategy C.DomainStrategy
-	DisableCache   bool
-	RewriteTTL     *uint32
-	ClientSubnet   netip.Prefix
-}
-
-func DNSQueryOptionsFrom(ctx context.Context, options *option.DomainResolveOptions) (*DNSQueryOptions, error) {
-	if options == nil {
-		return &DNSQueryOptions{}, nil
-	}
-	transportManager := service.FromContext[DNSTransportManager](ctx)
-	transport, loaded := transportManager.Transport(options.Server)
-	if !loaded {
-		return nil, E.New("domain resolver not found: " + options.Server)
-	}
-	return &DNSQueryOptions{
-		Transport:    transport,
-		Strategy:     C.DomainStrategy(options.Strategy),
-		DisableCache: options.DisableCache,
-		RewriteTTL:   options.RewriteTTL,
-		ClientSubnet: options.ClientSubnet.Build(netip.Prefix{}),
-	}, nil
-}
-
-type RDRCStore interface {
-	LoadRDRC(transportName string, qName string, qType uint16) (rejected bool)
-	SaveRDRC(transportName string, qName string, qType uint16) error
-	SaveRDRCAsync(transportName string, qName string, qType uint16, logger logger.Logger)
-}
-
-type DNSTransport interface {
-	Lifecycle
-	Type() string
-	Tag() string
-	Dependencies() []string
-	Exchange(ctx context.Context, message *dns.Msg) (*dns.Msg, error)
-}
-
-type LegacyDNSTransport interface {
-	LegacyStrategy() C.DomainStrategy
-	LegacyClientSubnet() netip.Prefix
-}
-
-type DNSTransportRegistry interface {
-	option.DNSTransportOptionsRegistry
-	CreateDNSTransport(ctx context.Context, logger log.ContextLogger, tag string, transportType string, options any) (DNSTransport, error)
-}
-
-type DNSTransportManager interface {
-	Lifecycle
-	Transports() []DNSTransport
-	Transport(tag string) (DNSTransport, bool)
-	Default() DNSTransport
-	FakeIP() FakeIPTransport
-	Remove(tag string) error
-	Create(ctx context.Context, logger log.ContextLogger, tag string, outboundType string, options any) error
-}

adapter/experimental.go

@@ -6,6 +6,8 @@ import (
 	"encoding/binary"
 	"time"
 
+	"github.com/sagernet/sing-box/common/urltest"
+	"github.com/sagernet/sing-dns"
 	"github.com/sagernet/sing/common/varbin"
 )
 
@@ -14,20 +16,7 @@ type ClashServer interface {
 	ConnectionTracker
 	Mode() string
 	ModeList() []string
-	HistoryStorage() URLTestHistoryStorage
-}
-
-type URLTestHistory struct {
-	Time  time.Time `json:"time"`
-	Delay uint16    `json:"delay"`
-}
-
-type URLTestHistoryStorage interface {
-	SetHook(hook chan<- struct{})
-	LoadURLTestHistory(tag string) *URLTestHistory
-	DeleteURLTestHistory(tag string)
-	StoreURLTestHistory(tag string, history *URLTestHistory)
-	Close() error
+	HistoryStorage() *urltest.HistoryStorage
 }
 
 type V2RayServer interface {
@@ -42,7 +31,7 @@ type CacheFile interface {
 	FakeIPStorage
 
 	StoreRDRC() bool
-	RDRCStore
+	dns.RDRCStore
 
 	LoadMode() string
 	StoreMode(mode string) error
@@ -50,17 +39,17 @@ type CacheFile interface {
 	StoreSelected(group string, selected string) error
 	LoadGroupExpand(group string) (isExpand bool, loaded bool)
 	StoreGroupExpand(group string, expand bool) error
-	LoadRuleSet(tag string) *SavedBinary
-	SaveRuleSet(tag string, set *SavedBinary) error
+	LoadRuleSet(tag string) *SavedRuleSet
+	SaveRuleSet(tag string, set *SavedRuleSet) error
 }
 
-type SavedBinary struct {
+type SavedRuleSet struct {
 	Content     []byte
 	LastUpdated time.Time
 	LastEtag    string
 }
 
-func (s *SavedBinary) MarshalBinary() ([]byte, error) {
+func (s *SavedRuleSet) MarshalBinary() ([]byte, error) {
 	var buffer bytes.Buffer
 	err := binary.Write(&buffer, binary.BigEndian, uint8(1))
 	if err != nil {
@@ -81,7 +70,7 @@ func (s *SavedBinary) MarshalBinary() ([]byte, error) {
 	return buffer.Bytes(), nil
 }
 
-func (s *SavedBinary) UnmarshalBinary(data []byte) error {
+func (s *SavedRuleSet) UnmarshalBinary(data []byte) error {
 	reader := bytes.NewReader(data)
 	var version uint8
 	err := binary.Read(reader, binary.BigEndian, &version)

adapter/fakeip.go

@@ -3,11 +3,12 @@ package adapter
 import (
 	"net/netip"
 
+	"github.com/sagernet/sing-dns"
 	"github.com/sagernet/sing/common/logger"
 )
 
 type FakeIPStore interface {
-	SimpleLifecycle
+	Service
 	Contains(address netip.Addr) bool
 	Create(domain string, isIPv6 bool) (netip.Addr, error)
 	Lookup(address netip.Addr) (string, bool)
@@ -26,6 +27,6 @@ type FakeIPStorage interface {
 }
 
 type FakeIPTransport interface {
-	DNSTransport
+	dns.Transport
 	Store() FakeIPStore
 }

adapter/inbound.go

@@ -57,8 +57,6 @@ type InboundContext struct {
 	Domain       string
 	Client       string
 	SniffContext any
-	SnifferNames []string
-	SniffError   error
 
 	// cache
 
@@ -73,15 +71,14 @@ type InboundContext struct {
 	UDPDisableDomainUnmapping bool
 	UDPConnect                bool
 	UDPTimeout                time.Duration
-	TLSFragment               bool
-	TLSFragmentFallbackDelay  time.Duration
-	TLSRecordFragment         bool
 
-	NetworkStrategy     *C.NetworkStrategy
+	NetworkStrategy     C.NetworkStrategy
 	NetworkType         []C.InterfaceType
 	FallbackNetworkType []C.InterfaceType
 	FallbackDelay       time.Duration
 
+	DNSServer string
+
 	DestinationAddresses []netip.Addr
 	SourceGeoIPCode      string
 	GeoIPCode            string
@@ -136,7 +133,8 @@ func ExtendContext(ctx context.Context) (context.Context, *InboundContext) {
 
 func OverrideContext(ctx context.Context) context.Context {
 	if metadata := ContextFrom(ctx); metadata != nil {
-		newMetadata := *metadata
+		var newMetadata InboundContext
+		newMetadata = *metadata
 		return WithContext(ctx, &newMetadata)
 	}
 	return ctx

adapter/inbound/manager.go

@@ -37,14 +37,13 @@ func NewManager(logger log.ContextLogger, registry adapter.InboundRegistry, endp
 
 func (m *Manager) Start(stage adapter.StartStage) error {
 	m.access.Lock()
+	defer m.access.Unlock()
 	if m.started && m.stage >= stage {
 		panic("already started")
 	}
 	m.started = true
 	m.stage = stage
-	inbounds := m.inbounds
-	m.access.Unlock()
-	for _, inbound := range inbounds {
+	for _, inbound := range m.inbounds {
 		err := adapter.LegacyStart(inbound, stage)
 		if err != nil {
 			return E.Cause(err, stage, " inbound/", inbound.Type(), "[", inbound.Tag(), "]")

adapter/lifecycle.go

@@ -2,11 +2,6 @@ package adapter
 
 import E "github.com/sagernet/sing/common/exceptions"
 
-type SimpleLifecycle interface {
-	Start() error
-	Close() error
-}
-
 type StartStage uint8
 
 const (

adapter/lifecycle_legacy.go

@@ -28,13 +28,13 @@ func LegacyStart(starter any, stage StartStage) error {
 }
 
 type lifecycleServiceWrapper struct {
-	SimpleLifecycle
+	Service
 	name string
 }
 
-func NewLifecycleService(service SimpleLifecycle, name string) LifecycleService {
+func NewLifecycleService(service Service, name string) LifecycleService {
 	return &lifecycleServiceWrapper{
-		SimpleLifecycle: service,
+		Service: service,
 		name:    name,
 	}
 }
@@ -44,9 +44,9 @@ func (l *lifecycleServiceWrapper) Name() string {
 }
 
 func (l *lifecycleServiceWrapper) Start(stage StartStage) error {
-	return LegacyStart(l.SimpleLifecycle, stage)
+	return LegacyStart(l.Service, stage)
 }
 
 func (l *lifecycleServiceWrapper) Close() error {
-	return l.SimpleLifecycle.Close()
+	return l.Service.Close()
 }

adapter/network.go

@@ -20,24 +20,20 @@ type NetworkManager interface {
 	DefaultOptions() NetworkOptions
 	RegisterAutoRedirectOutputMark(mark uint32) error
 	AutoRedirectOutputMark() uint32
-	AutoRedirectOutputMarkFunc() control.Func
 	NetworkMonitor() tun.NetworkUpdateMonitor
 	InterfaceMonitor() tun.DefaultInterfaceMonitor
 	PackageManager() tun.PackageManager
 	WIFIState() WIFIState
 	ResetNetwork()
-	UpdateWIFIState()
 }
 
 type NetworkOptions struct {
-	BindInterface        string
-	RoutingMark          uint32
-	DomainResolver       string
-	DomainResolveOptions DNSQueryOptions
-	NetworkStrategy      *C.NetworkStrategy
+	NetworkStrategy     C.NetworkStrategy
 	NetworkType         []C.InterfaceType
 	FallbackNetworkType []C.InterfaceType
 	FallbackDelay       time.Duration
+	BindInterface       string
+	RoutingMark         uint32
 }
 
 type InterfaceUpdateListener interface {

adapter/outbound.go

@@ -2,12 +2,9 @@ package adapter
 
 import (
 	"context"
-	"net/netip"
-	"time"
 
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-tun"
 	N "github.com/sagernet/sing/common/network"
 )
 
@@ -21,17 +18,6 @@ type Outbound interface {
 	N.Dialer
 }
 
-type OutboundWithPreferredRoutes interface {
-	Outbound
-	PreferredDomain(domain string) bool
-	PreferredAddress(address netip.Addr) bool
-}
-
-type DirectRouteOutbound interface {
-	Outbound
-	NewDirectRouteConnection(metadata InboundContext, routeContext tun.DirectRouteContext, timeout time.Duration) (tun.DirectRouteDestination, error)
-}
-
 type OutboundRegistry interface {
 	option.OutboundOptionsRegistry
 	CreateOutbound(ctx context.Context, router Router, logger log.ContextLogger, tag string, outboundType string, options any) (Outbound, error)

adapter/outbound/manager.go

@@ -23,14 +23,14 @@ type Manager struct {
 	registry                adapter.OutboundRegistry
 	endpoint                adapter.EndpointManager
 	defaultTag              string
-	access                  sync.RWMutex
+	access                  sync.Mutex
 	started                 bool
 	stage                   adapter.StartStage
 	outbounds               []adapter.Outbound
 	outboundByTag           map[string]adapter.Outbound
 	dependByTag             map[string][]string
 	defaultOutbound         adapter.Outbound
-	defaultOutboundFallback func() (adapter.Outbound, error)
+	defaultOutboundFallback adapter.Outbound
 }
 
 func NewManager(logger logger.ContextLogger, registry adapter.OutboundRegistry, endpoint adapter.EndpointManager, defaultTag string) *Manager {
@@ -44,7 +44,7 @@ func NewManager(logger logger.ContextLogger, registry adapter.OutboundRegistry,
 	}
 }
 
-func (m *Manager) Initialize(defaultOutboundFallback func() (adapter.Outbound, error)) {
+func (m *Manager) Initialize(defaultOutboundFallback adapter.Outbound) {
 	m.defaultOutboundFallback = defaultOutboundFallback
 }
 
@@ -55,31 +55,18 @@ func (m *Manager) Start(stage adapter.StartStage) error {
 	}
 	m.started = true
 	m.stage = stage
+	outbounds := m.outbounds
+	m.access.Unlock()
 	if stage == adapter.StartStateStart {
 		if m.defaultTag != "" && m.defaultOutbound == nil {
 			defaultEndpoint, loaded := m.endpoint.Get(m.defaultTag)
 			if !loaded {
-				m.access.Unlock()
 				return E.New("default outbound not found: ", m.defaultTag)
 			}
 			m.defaultOutbound = defaultEndpoint
 		}
-		if m.defaultOutbound == nil {
-			directOutbound, err := m.defaultOutboundFallback()
-			if err != nil {
-				m.access.Unlock()
-				return E.Cause(err, "create direct outbound for fallback")
-			}
-			m.outbounds = append(m.outbounds, directOutbound)
-			m.outboundByTag[directOutbound.Tag()] = directOutbound
-			m.defaultOutbound = directOutbound
-		}
-		outbounds := m.outbounds
-		m.access.Unlock()
 		return m.startOutbounds(append(outbounds, common.Map(m.endpoint.Endpoints(), func(it adapter.Endpoint) adapter.Outbound { return it })...))
 	} else {
-		outbounds := m.outbounds
-		m.access.Unlock()
 		for _, outbound := range outbounds {
 			err := adapter.LegacyStart(outbound, stage)
 			if err != nil {
@@ -182,15 +169,15 @@ func (m *Manager) Close() error {
 }
 
 func (m *Manager) Outbounds() []adapter.Outbound {
-	m.access.RLock()
-	defer m.access.RUnlock()
+	m.access.Lock()
+	defer m.access.Unlock()
 	return m.outbounds
 }
 
 func (m *Manager) Outbound(tag string) (adapter.Outbound, bool) {
-	m.access.RLock()
+	m.access.Lock()
 	outbound, found := m.outboundByTag[tag]
-	m.access.RUnlock()
+	m.access.Unlock()
 	if found {
 		return outbound, true
 	}
@@ -198,16 +185,20 @@ func (m *Manager) Outbound(tag string) (adapter.Outbound, bool) {
 }
 
 func (m *Manager) Default() adapter.Outbound {
-	m.access.RLock()
-	defer m.access.RUnlock()
+	m.access.Lock()
+	defer m.access.Unlock()
+	if m.defaultOutbound != nil {
 		return m.defaultOutbound
+	} else {
+		return m.defaultOutboundFallback
+	}
 }
 
 func (m *Manager) Remove(tag string) error {
 	m.access.Lock()
-	defer m.access.Unlock()
 	outbound, found := m.outboundByTag[tag]
 	if !found {
+		m.access.Unlock()
 		return os.ErrInvalid
 	}
 	delete(m.outboundByTag, tag)
@@ -241,6 +232,7 @@ func (m *Manager) Remove(tag string) error {
 			})
 		}
 	}
+	m.access.Unlock()
 	if started {
 		return common.Close(outbound)
 	}
@@ -255,6 +247,8 @@ func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.
 	if err != nil {
 		return err
 	}
+	m.access.Lock()
+	defer m.access.Unlock()
 	if m.started {
 		for _, stage := range adapter.ListStartStages {
 			err = adapter.LegacyStart(outbound, stage)
@@ -263,8 +257,6 @@ func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.
 			}
 		}
 	}
-	m.access.Lock()
-	defer m.access.Unlock()
 	if existsOutbound, loaded := m.outboundByTag[tag]; loaded {
 		if m.started {
 			err = common.Close(existsOutbound)

adapter/router.go

@@ -2,31 +2,44 @@ package adapter
 
 import (
 	"context"
-	"crypto/tls"
 	"net"
 	"net/http"
+	"net/netip"
 	"sync"
-	"time"
 
+	"github.com/sagernet/sing-box/common/geoip"
 	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-tun"
+	"github.com/sagernet/sing-dns"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
-	"github.com/sagernet/sing/common/ntp"
 	"github.com/sagernet/sing/common/x/list"
 
+	mdns "github.com/miekg/dns"
 	"go4.org/netipx"
 )
 
 type Router interface {
 	Lifecycle
+
+	FakeIPStore() FakeIPStore
+
 	ConnectionRouter
-	PreMatch(metadata InboundContext, context tun.DirectRouteContext, timeout time.Duration) (tun.DirectRouteDestination, error)
+	PreMatch(metadata InboundContext) error
 	ConnectionRouterEx
+
+	GeoIPReader() *geoip.Reader
+	LoadGeosite(code string) (Rule, error)
 	RuleSet(tag string) (RuleSet, bool)
 	NeedWIFIState() bool
+
+	Exchange(ctx context.Context, message *mdns.Msg) (*mdns.Msg, error)
+	Lookup(ctx context.Context, domain string, strategy dns.DomainStrategy) ([]netip.Addr, error)
+	LookupDefault(ctx context.Context, domain string) ([]netip.Addr, error)
+	ClearDNSCache()
 	Rules() []Rule
-	AppendTracker(tracker ConnectionTracker)
+
+	SetTracker(tracker ConnectionTracker)
+
 	ResetNetwork()
 }
 
@@ -70,14 +83,12 @@ type RuleSetMetadata struct {
 	ContainsIPCIDRRule  bool
 }
 type HTTPStartContext struct {
-	ctx             context.Context
 	access          sync.Mutex
 	httpClientCache map[string]*http.Client
 }
 
-func NewHTTPStartContext(ctx context.Context) *HTTPStartContext {
+func NewHTTPStartContext() *HTTPStartContext {
 	return &HTTPStartContext{
-		ctx:             ctx,
 		httpClientCache: make(map[string]*http.Client),
 	}
 }
@@ -95,10 +106,6 @@ func (c *HTTPStartContext) HTTPClient(detour string, dialer N.Dialer) *http.Clie
 			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
 				return dialer.DialContext(ctx, network, M.ParseSocksaddr(addr))
 			},
-			TLSClientConfig: &tls.Config{
-				Time:    ntp.TimeFuncFromContext(c.ctx),
-				RootCAs: RootPoolFromContext(c.ctx),
-			},
 		},
 	}
 	c.httpClientCache[detour] = httpClient

adapter/rule.go

@@ -11,8 +11,9 @@ type HeadlessRule interface {
 
 type Rule interface {
 	HeadlessRule
-	SimpleLifecycle
+	Service
 	Type() string
+	UpdateGeosite() error
 	Action() RuleAction
 }
 

adapter/service.go

@@ -1,27 +1,6 @@
 package adapter
 
-import (
-	"context"
-
-	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-box/option"
-)
-
 type Service interface {
-	Lifecycle
-	Type() string
-	Tag() string
-}
-
-type ServiceRegistry interface {
-	option.ServiceOptionsRegistry
-	Create(ctx context.Context, logger log.ContextLogger, tag string, serviceType string, options any) (Service, error)
-}
-
-type ServiceManager interface {
-	Lifecycle
-	Services() []Service
-	Get(tag string) (Service, bool)
-	Remove(tag string) error
-	Create(ctx context.Context, logger log.ContextLogger, tag string, serviceType string, options any) error
+	Start() error
+	Close() error
 }

adapter/service/adapter.go

@@ -1,21 +0,0 @@
-package service
-
-type Adapter struct {
-	serviceType string
-	serviceTag  string
-}
-
-func NewAdapter(serviceType string, serviceTag string) Adapter {
-	return Adapter{
-		serviceType: serviceType,
-		serviceTag:  serviceTag,
-	}
-}
-
-func (a *Adapter) Type() string {
-	return a.serviceType
-}
-
-func (a *Adapter) Tag() string {
-	return a.serviceTag
-}

adapter/service/manager.go

@@ -1,144 +0,0 @@
-package service
-
-import (
-	"context"
-	"os"
-	"sync"
-
-	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/common/taskmonitor"
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing/common"
-	E "github.com/sagernet/sing/common/exceptions"
-)
-
-var _ adapter.ServiceManager = (*Manager)(nil)
-
-type Manager struct {
-	logger       log.ContextLogger
-	registry     adapter.ServiceRegistry
-	access       sync.Mutex
-	started      bool
-	stage        adapter.StartStage
-	services     []adapter.Service
-	serviceByTag map[string]adapter.Service
-}
-
-func NewManager(logger log.ContextLogger, registry adapter.ServiceRegistry) *Manager {
-	return &Manager{
-		logger:       logger,
-		registry:     registry,
-		serviceByTag: make(map[string]adapter.Service),
-	}
-}
-
-func (m *Manager) Start(stage adapter.StartStage) error {
-	m.access.Lock()
-	if m.started && m.stage >= stage {
-		panic("already started")
-	}
-	m.started = true
-	m.stage = stage
-	services := m.services
-	m.access.Unlock()
-	for _, service := range services {
-		err := adapter.LegacyStart(service, stage)
-		if err != nil {
-			return E.Cause(err, stage, " service/", service.Type(), "[", service.Tag(), "]")
-		}
-	}
-	return nil
-}
-
-func (m *Manager) Close() error {
-	m.access.Lock()
-	defer m.access.Unlock()
-	if !m.started {
-		return nil
-	}
-	m.started = false
-	services := m.services
-	m.services = nil
-	monitor := taskmonitor.New(m.logger, C.StopTimeout)
-	var err error
-	for _, service := range services {
-		monitor.Start("close service/", service.Type(), "[", service.Tag(), "]")
-		err = E.Append(err, service.Close(), func(err error) error {
-			return E.Cause(err, "close service/", service.Type(), "[", service.Tag(), "]")
-		})
-		monitor.Finish()
-	}
-	return nil
-}
-
-func (m *Manager) Services() []adapter.Service {
-	m.access.Lock()
-	defer m.access.Unlock()
-	return m.services
-}
-
-func (m *Manager) Get(tag string) (adapter.Service, bool) {
-	m.access.Lock()
-	service, found := m.serviceByTag[tag]
-	m.access.Unlock()
-	return service, found
-}
-
-func (m *Manager) Remove(tag string) error {
-	m.access.Lock()
-	service, found := m.serviceByTag[tag]
-	if !found {
-		m.access.Unlock()
-		return os.ErrInvalid
-	}
-	delete(m.serviceByTag, tag)
-	index := common.Index(m.services, func(it adapter.Service) bool {
-		return it == service
-	})
-	if index == -1 {
-		panic("invalid service index")
-	}
-	m.services = append(m.services[:index], m.services[index+1:]...)
-	started := m.started
-	m.access.Unlock()
-	if started {
-		return service.Close()
-	}
-	return nil
-}
-
-func (m *Manager) Create(ctx context.Context, logger log.ContextLogger, tag string, serviceType string, options any) error {
-	service, err := m.registry.Create(ctx, logger, tag, serviceType, options)
-	if err != nil {
-		return err
-	}
-	m.access.Lock()
-	defer m.access.Unlock()
-	if m.started {
-		for _, stage := range adapter.ListStartStages {
-			err = adapter.LegacyStart(service, stage)
-			if err != nil {
-				return E.Cause(err, stage, " service/", service.Type(), "[", service.Tag(), "]")
-			}
-		}
-	}
-	if existsService, loaded := m.serviceByTag[tag]; loaded {
-		if m.started {
-			err = existsService.Close()
-			if err != nil {
-				return E.Cause(err, "close service/", existsService.Type(), "[", existsService.Tag(), "]")
-			}
-		}
-		existsIndex := common.Index(m.services, func(it adapter.Service) bool {
-			return it == existsService
-		})
-		if existsIndex == -1 {
-			panic("invalid service index")
-		}
-		m.services = append(m.services[:existsIndex], m.services[existsIndex+1:]...)
-	}
-	m.services = append(m.services, service)
-	m.serviceByTag[tag] = service
-	return nil
-}

adapter/service/registry.go

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

adapter/ssm.go

@@ -1,18 +0,0 @@
-package adapter
-
-import (
-	"net"
-
-	N "github.com/sagernet/sing/common/network"
-)
-
-type ManagedSSMServer interface {
-	Inbound
-	SetTracker(tracker SSMTracker)
-	UpdateUsers(users []string, uPSKs []string) error
-}
-
-type SSMTracker interface {
-	TrackConnection(conn net.Conn, metadata InboundContext) net.Conn
-	TrackPacketConnection(conn N.PacketConn, metadata InboundContext) N.PacketConn
-}

adapter/time.go

@@ -3,6 +3,6 @@ package adapter
 import "time"
 
 type TimeService interface {
-	SimpleLifecycle
+	Service
 	TimeFunc() func() time.Time
 }

adapter/upstream_legacy.go

@@ -78,8 +78,8 @@ func (w *myUpstreamHandlerWrapper) NewError(ctx context.Context, err error) {
 // Deprecated: removed
 func UpstreamMetadata(metadata InboundContext) M.Metadata {
 	return M.Metadata{
-		Source:      metadata.Source.Unwrap(),
-		Destination: metadata.Destination.Unwrap(),
+		Source:      metadata.Source,
+		Destination: metadata.Destination,
 	}
 }
 

box.go

@@ -12,14 +12,9 @@ import (
 	"github.com/sagernet/sing-box/adapter/endpoint"
 	"github.com/sagernet/sing-box/adapter/inbound"
 	"github.com/sagernet/sing-box/adapter/outbound"
-	boxService "github.com/sagernet/sing-box/adapter/service"
-	"github.com/sagernet/sing-box/common/certificate"
 	"github.com/sagernet/sing-box/common/dialer"
 	"github.com/sagernet/sing-box/common/taskmonitor"
-	"github.com/sagernet/sing-box/common/tls"
 	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/dns"
-	"github.com/sagernet/sing-box/dns/transport/local"
 	"github.com/sagernet/sing-box/experimental"
 	"github.com/sagernet/sing-box/experimental/cachefile"
 	"github.com/sagernet/sing-box/experimental/libbox/platform"
@@ -35,7 +30,7 @@ import (
 	"github.com/sagernet/sing/service/pause"
 )
 
-var _ adapter.SimpleLifecycle = (*Box)(nil)
+var _ adapter.Service = (*Box)(nil)
 
 type Box struct {
 	createdAt  time.Time
@@ -45,12 +40,9 @@ type Box struct {
 	endpoint   *endpoint.Manager
 	inbound    *inbound.Manager
 	outbound   *outbound.Manager
-	service         *boxService.Manager
-	dnsTransport    *dns.TransportManager
-	dnsRouter       *dns.Router
 	connection *route.ConnectionManager
 	router     *route.Router
-	internalService []adapter.LifecycleService
+	services   []adapter.LifecycleService
 	done       chan struct{}
 }
 
@@ -65,8 +57,6 @@ func Context(
 	inboundRegistry adapter.InboundRegistry,
 	outboundRegistry adapter.OutboundRegistry,
 	endpointRegistry adapter.EndpointRegistry,
-	dnsTransportRegistry adapter.DNSTransportRegistry,
-	serviceRegistry adapter.ServiceRegistry,
 ) context.Context {
 	if service.FromContext[option.InboundOptionsRegistry](ctx) == nil ||
 		service.FromContext[adapter.InboundRegistry](ctx) == nil {
@@ -83,14 +73,6 @@ func Context(
 		ctx = service.ContextWith[option.EndpointOptionsRegistry](ctx, endpointRegistry)
 		ctx = service.ContextWith[adapter.EndpointRegistry](ctx, endpointRegistry)
 	}
-	if service.FromContext[adapter.DNSTransportRegistry](ctx) == nil {
-		ctx = service.ContextWith[option.DNSTransportOptionsRegistry](ctx, dnsTransportRegistry)
-		ctx = service.ContextWith[adapter.DNSTransportRegistry](ctx, dnsTransportRegistry)
-	}
-	if service.FromContext[adapter.ServiceRegistry](ctx) == nil {
-		ctx = service.ContextWith[option.ServiceOptionsRegistry](ctx, serviceRegistry)
-		ctx = service.ContextWith[adapter.ServiceRegistry](ctx, serviceRegistry)
-	}
 	return ctx
 }
 
@@ -105,8 +87,6 @@ func New(options Options) (*Box, error) {
 	endpointRegistry := service.FromContext[adapter.EndpointRegistry](ctx)
 	inboundRegistry := service.FromContext[adapter.InboundRegistry](ctx)
 	outboundRegistry := service.FromContext[adapter.OutboundRegistry](ctx)
-	dnsTransportRegistry := service.FromContext[adapter.DNSTransportRegistry](ctx)
-	serviceRegistry := service.FromContext[adapter.ServiceRegistry](ctx)
 
 	if endpointRegistry == nil {
 		return nil, E.New("missing endpoint registry in context")
@@ -117,12 +97,6 @@ func New(options Options) (*Box, error) {
 	if outboundRegistry == nil {
 		return nil, E.New("missing outbound registry in context")
 	}
-	if dnsTransportRegistry == nil {
-		return nil, E.New("missing DNS transport registry in context")
-	}
-	if serviceRegistry == nil {
-		return nil, E.New("missing service registry in context")
-	}
 
 	ctx = pause.WithDefaultManager(ctx)
 	experimentalOptions := common.PtrValueOrDefault(options.Experimental)
@@ -156,34 +130,14 @@ func New(options Options) (*Box, error) {
 		return nil, E.Cause(err, "create log factory")
 	}
 
-	var internalServices []adapter.LifecycleService
-	certificateOptions := common.PtrValueOrDefault(options.Certificate)
-	if C.IsAndroid || certificateOptions.Store != "" && certificateOptions.Store != C.CertificateStoreSystem ||
-		len(certificateOptions.Certificate) > 0 ||
-		len(certificateOptions.CertificatePath) > 0 ||
-		len(certificateOptions.CertificateDirectoryPath) > 0 {
-		certificateStore, err := certificate.NewStore(ctx, logFactory.NewLogger("certificate"), certificateOptions)
-		if err != nil {
-			return nil, err
-		}
-		service.MustRegister[adapter.CertificateStore](ctx, certificateStore)
-		internalServices = append(internalServices, certificateStore)
-	}
-
 	routeOptions := common.PtrValueOrDefault(options.Route)
-	dnsOptions := common.PtrValueOrDefault(options.DNS)
 	endpointManager := endpoint.NewManager(logFactory.NewLogger("endpoint"), endpointRegistry)
 	inboundManager := inbound.NewManager(logFactory.NewLogger("inbound"), inboundRegistry, endpointManager)
 	outboundManager := outbound.NewManager(logFactory.NewLogger("outbound"), outboundRegistry, endpointManager, routeOptions.Final)
-	dnsTransportManager := dns.NewTransportManager(logFactory.NewLogger("dns/transport"), dnsTransportRegistry, outboundManager, dnsOptions.Final)
-	serviceManager := boxService.NewManager(logFactory.NewLogger("service"), serviceRegistry)
 	service.MustRegister[adapter.EndpointManager](ctx, endpointManager)
 	service.MustRegister[adapter.InboundManager](ctx, inboundManager)
 	service.MustRegister[adapter.OutboundManager](ctx, outboundManager)
-	service.MustRegister[adapter.DNSTransportManager](ctx, dnsTransportManager)
-	service.MustRegister[adapter.ServiceManager](ctx, serviceManager)
-	dnsRouter := dns.NewRouter(ctx, logFactory, dnsOptions)
-	service.MustRegister[adapter.DNSRouter](ctx, dnsRouter)
+
 	networkManager, err := route.NewNetworkManager(ctx, logFactory.NewLogger("network"), routeOptions)
 	if err != nil {
 		return nil, E.Cause(err, "initialize network manager")
@@ -191,40 +145,10 @@ func New(options Options) (*Box, error) {
 	service.MustRegister[adapter.NetworkManager](ctx, networkManager)
 	connectionManager := route.NewConnectionManager(logFactory.NewLogger("connection"))
 	service.MustRegister[adapter.ConnectionManager](ctx, connectionManager)
-	router := route.NewRouter(ctx, logFactory, routeOptions, dnsOptions)
-	service.MustRegister[adapter.Router](ctx, router)
-	err = router.Initialize(routeOptions.Rules, routeOptions.RuleSet)
+	router, err := route.NewRouter(ctx, logFactory, routeOptions, common.PtrValueOrDefault(options.DNS))
 	if err != nil {
 		return nil, E.Cause(err, "initialize router")
 	}
-	ntpOptions := common.PtrValueOrDefault(options.NTP)
-	var timeService *tls.TimeServiceWrapper
-	if ntpOptions.Enabled {
-		timeService = new(tls.TimeServiceWrapper)
-		service.MustRegister[ntp.TimeService](ctx, timeService)
-	}
-	for i, transportOptions := range dnsOptions.Servers {
-		var tag string
-		if transportOptions.Tag != "" {
-			tag = transportOptions.Tag
-		} else {
-			tag = F.ToString(i)
-		}
-		err = dnsTransportManager.Create(
-			ctx,
-			logFactory.NewLogger(F.ToString("dns/", transportOptions.Type, "[", tag, "]")),
-			tag,
-			transportOptions.Type,
-			transportOptions.Options,
-		)
-		if err != nil {
-			return nil, E.Cause(err, "initialize DNS server[", i, "]")
-		}
-	}
-	err = dnsRouter.Initialize(dnsOptions.Rules)
-	if err != nil {
-		return nil, E.Cause(err, "initialize dns router")
-	}
 	for i, endpointOptions := range options.Endpoints {
 		var tag string
 		if endpointOptions.Tag != "" {
@@ -232,15 +156,7 @@ func New(options Options) (*Box, error) {
 		} else {
 			tag = F.ToString(i)
 		}
-		endpointCtx := ctx
-		if tag != "" {
-			// TODO: remove this
-			endpointCtx = adapter.WithContext(endpointCtx, &adapter.InboundContext{
-				Outbound: tag,
-			})
-		}
-		err = endpointManager.Create(
-			endpointCtx,
+		err = endpointManager.Create(ctx,
 			router,
 			logFactory.NewLogger(F.ToString("endpoint/", endpointOptions.Type, "[", tag, "]")),
 			tag,
@@ -248,7 +164,7 @@ func New(options Options) (*Box, error) {
 			endpointOptions.Options,
 		)
 		if err != nil {
-			return nil, E.Cause(err, "initialize endpoint[", i, "]")
+			return nil, E.Cause(err, "initialize inbound[", i, "]")
 		}
 	}
 	for i, inboundOptions := range options.Inbounds {
@@ -258,8 +174,7 @@ 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,
@@ -296,51 +211,26 @@ func New(options Options) (*Box, error) {
 			return nil, E.Cause(err, "initialize outbound[", i, "]")
 		}
 	}
-	for i, serviceOptions := range options.Services {
-		var tag string
-		if serviceOptions.Tag != "" {
-			tag = serviceOptions.Tag
-		} else {
-			tag = F.ToString(i)
-		}
-		err = serviceManager.Create(
-			ctx,
-			logFactory.NewLogger(F.ToString("service/", serviceOptions.Type, "[", tag, "]")),
-			tag,
-			serviceOptions.Type,
-			serviceOptions.Options,
-		)
-		if err != nil {
-			return nil, E.Cause(err, "initialize service[", i, "]")
-		}
-	}
-	outboundManager.Initialize(func() (adapter.Outbound, error) {
-		return direct.NewOutbound(
+	outboundManager.Initialize(common.Must1(
+		direct.NewOutbound(
 			ctx,
 			router,
 			logFactory.NewLogger("outbound/direct"),
 			"direct",
 			option.DirectOutboundOptions{},
-		)
-	})
-	dnsTransportManager.Initialize(func() (adapter.DNSTransport, error) {
-		return local.NewTransport(
-			ctx,
-			logFactory.NewLogger("dns/local"),
-			"local",
-			option.LocalDNSServerOptions{},
-		)
-	})
+		),
+	))
 	if platformInterface != nil {
 		err = platformInterface.Initialize(networkManager)
 		if err != nil {
 			return nil, E.Cause(err, "initialize platform interface")
 		}
 	}
+	var services []adapter.LifecycleService
 	if needCacheFile {
 		cacheFile := cachefile.New(ctx, common.PtrValueOrDefault(experimentalOptions.CacheFile))
 		service.MustRegister[adapter.CacheFile](ctx, cacheFile)
-		internalServices = append(internalServices, cacheFile)
+		services = append(services, cacheFile)
 	}
 	if needClashAPI {
 		clashAPIOptions := common.PtrValueOrDefault(experimentalOptions.ClashAPI)
@@ -349,9 +239,9 @@ func New(options Options) (*Box, error) {
 		if err != nil {
 			return nil, E.Cause(err, "create clash-server")
 		}
-		router.AppendTracker(clashServer)
+		router.SetTracker(clashServer)
 		service.MustRegister[adapter.ClashServer](ctx, clashServer)
-		internalServices = append(internalServices, clashServer)
+		services = append(services, clashServer)
 	}
 	if needV2RayAPI {
 		v2rayServer, err := experimental.NewV2RayServer(logFactory.NewLogger("v2ray-api"), common.PtrValueOrDefault(experimentalOptions.V2RayAPI))
@@ -359,17 +249,18 @@ func New(options Options) (*Box, error) {
 			return nil, E.Cause(err, "create v2ray-server")
 		}
 		if v2rayServer.StatsService() != nil {
-			router.AppendTracker(v2rayServer.StatsService())
-			internalServices = append(internalServices, v2rayServer)
+			router.SetTracker(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, ntpOptions.ServerIsDomain())
+		ntpDialer, err := dialer.New(ctx, ntpOptions.DialerOptions)
 		if err != nil {
 			return nil, E.Cause(err, "create NTP service")
 		}
-		ntpService := ntp.NewService(ntp.Options{
+		timeService := ntp.NewService(ntp.Options{
 			Context:       ctx,
 			Dialer:        ntpDialer,
 			Logger:        logFactory.NewLogger("ntp"),
@@ -377,23 +268,20 @@ func New(options Options) (*Box, error) {
 			Interval:      time.Duration(ntpOptions.Interval),
 			WriteToSystem: ntpOptions.WriteToSystem,
 		})
-		timeService.TimeService = ntpService
-		internalServices = append(internalServices, adapter.NewLifecycleService(ntpService, "ntp service"))
+		service.MustRegister[ntp.TimeService](ctx, timeService)
+		services = append(services, adapter.NewLifecycleService(timeService, "ntp service"))
 	}
 	return &Box{
 		network:    networkManager,
 		endpoint:   endpointManager,
 		inbound:    inboundManager,
 		outbound:   outboundManager,
-		dnsTransport:    dnsTransportManager,
-		service:         serviceManager,
-		dnsRouter:       dnsRouter,
 		connection: connectionManager,
 		router:     router,
 		createdAt:  createdAt,
 		logFactory: logFactory,
 		logger:     logFactory.Logger(),
-		internalService: internalServices,
+		services:   services,
 		done:       make(chan struct{}),
 	}, nil
 }
@@ -444,15 +332,15 @@ func (s *Box) preStart() error {
 	if err != nil {
 		return E.Cause(err, "start logger")
 	}
-	err = adapter.StartNamed(adapter.StartStateInitialize, s.internalService) // cache-file clash-api v2ray-api
+	err = adapter.StartNamed(adapter.StartStateInitialize, s.services) // cache-file clash-api v2ray-api
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(adapter.StartStateInitialize, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.outbound, s.inbound, s.endpoint, s.service)
+	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.dnsTransport, s.dnsRouter, s.network, s.connection, s.router)
+	err = adapter.Start(adapter.StartStateStart, s.outbound, s.network, s.connection, s.router)
 	if err != nil {
 		return err
 	}
@@ -464,27 +352,31 @@ func (s *Box) start() error {
 	if err != nil {
 		return err
 	}
-	err = adapter.StartNamed(adapter.StartStateStart, s.internalService)
+	err = adapter.StartNamed(adapter.StartStateStart, s.services)
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(adapter.StartStateStart, s.inbound, s.endpoint, s.service)
+	err = s.inbound.Start(adapter.StartStateStart)
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(adapter.StartStatePostStart, s.outbound, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.inbound, s.endpoint, s.service)
+	err = adapter.Start(adapter.StartStateStart, s.endpoint)
 	if err != nil {
 		return err
 	}
-	err = adapter.StartNamed(adapter.StartStatePostStart, s.internalService)
+	err = adapter.Start(adapter.StartStatePostStart, s.outbound, s.network, s.connection, s.router, s.inbound, s.endpoint)
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(adapter.StartStateStarted, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.outbound, s.inbound, s.endpoint, s.service)
+	err = adapter.StartNamed(adapter.StartStatePostStart, s.services)
 	if err != nil {
 		return err
 	}
-	err = adapter.StartNamed(adapter.StartStateStarted, s.internalService)
+	err = adapter.Start(adapter.StartStateStarted, s.network, s.connection, s.router, s.outbound, s.inbound, s.endpoint)
+	if err != nil {
+		return err
+	}
+	err = adapter.StartNamed(adapter.StartStateStarted, s.services)
 	if err != nil {
 		return err
 	}
@@ -499,9 +391,9 @@ func (s *Box) Close() error {
 		close(s.done)
 	}
 	err := common.Close(
-		s.service, s.endpoint, s.inbound, s.outbound, s.router, s.connection, s.dnsRouter, s.dnsTransport, s.network,
+		s.inbound, s.outbound, s.router, s.connection, s.network,
 	)
-	for _, lifecycleService := range s.internalService {
+	for _, lifecycleService := range s.services {
 		err = E.Append(err, lifecycleService.Close(), func(err error) error {
 			return E.Cause(err, "close ", lifecycleService.Name())
 		})

clients/android

@@ -1 +1 @@
-Subproject commit 9d71ede01a1a51bb459847bb5d4444b2846c77de
+Subproject commit ef74b4b21174f2f6e0ecb1ea0b3daebbe8b9b766

clients/apple

@@ -1 +1 @@
-Subproject commit c5734677bdfcba5d2d4faf10c4f10475077a82ab
+Subproject commit c6fd250c535642551fa8570818cfd9177a279ccd

cmd/internal/app_store_connect/client.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	_ "unsafe"
+
+	"github.com/cidertool/asc-go/asc"
+)
+
+type Client struct {
+	*asc.Client
+}
+
+func (c *Client) UpdateBuildForAppStoreVersion(ctx context.Context, id string, buildID *string) (*asc.Response, error) {
+	linkage := newRelationshipDeclaration(buildID, "builds")
+	url := fmt.Sprintf("appStoreVersions/%s/relationships/build", id)
+	return c.patch(ctx, url, newRequestBody(linkage), nil)
+}
+
+func newRelationshipDeclaration(id *string, relationshipType string) *asc.RelationshipData {
+	if id == nil {
+		return nil
+	}
+
+	return &asc.RelationshipData{
+		ID:   *id,
+		Type: relationshipType,
+	}
+}

cmd/internal/app_store_connect/client_linkname.go

@@ -0,0 +1,140 @@
+package main
+
+import (
+	"context"
+	"net/http"
+	"net/url"
+	"reflect"
+	_ "unsafe"
+
+	"github.com/cidertool/asc-go/asc"
+	"github.com/google/go-querystring/query"
+)
+
+func (c *Client) newRequest(ctx context.Context, method string, path string, body *requestBody, options ...requestOption) (*http.Request, error) {
+	return clientNewRequest(c.Client, ctx, method, path, body, options...)
+}
+
+//go:linkname clientNewRequest github.com/cidertool/asc-go/asc.(*Client).newRequest
+func clientNewRequest(c *asc.Client, ctx context.Context, method string, path string, body *requestBody, options ...requestOption) (*http.Request, error)
+
+func (c *Client) do(ctx context.Context, req *http.Request, v interface{}) (*asc.Response, error) {
+	return clientDo(c.Client, ctx, req, v)
+}
+
+//go:linkname clientDo github.com/cidertool/asc-go/asc.(*Client).do
+func clientDo(c *asc.Client, ctx context.Context, req *http.Request, v interface{}) (*asc.Response, error)
+
+// get sends a GET request to the API as configured.
+func (c *Client) get(ctx context.Context, url string, query interface{}, v interface{}, options ...requestOption) (*asc.Response, error) {
+	var err error
+	if query != nil {
+		url, err = appendingQueryOptions(url, query)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	req, err := c.newRequest(ctx, "GET", url, nil, options...)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := c.do(ctx, req, v)
+	if err != nil {
+		return resp, err
+	}
+
+	return resp, err
+}
+
+// post sends a POST request to the API as configured.
+func (c *Client) post(ctx context.Context, url string, body *requestBody, v interface{}) (*asc.Response, error) {
+	req, err := c.newRequest(ctx, "POST", url, body, withContentType("application/json"))
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := c.do(ctx, req, v)
+	if err != nil {
+		return resp, err
+	}
+
+	return resp, err
+}
+
+// patch sends a PATCH request to the API as configured.
+func (c *Client) patch(ctx context.Context, url string, body *requestBody, v interface{}) (*asc.Response, error) {
+	req, err := c.newRequest(ctx, "PATCH", url, body, withContentType("application/json"))
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := c.do(ctx, req, v)
+	if err != nil {
+		return resp, err
+	}
+
+	return resp, err
+}
+
+// delete sends a DELETE request to the API as configured.
+func (c *Client) delete(ctx context.Context, url string, body *requestBody) (*asc.Response, error) {
+	req, err := c.newRequest(ctx, "DELETE", url, body, withContentType("application/json"))
+	if err != nil {
+		return nil, err
+	}
+
+	return c.do(ctx, req, nil)
+}
+
+// request is a common structure for a request body sent to the API.
+type requestBody struct {
+	Data     interface{} `json:"data"`
+	Included interface{} `json:"included,omitempty"`
+}
+
+func newRequestBody(data interface{}) *requestBody {
+	return newRequestBodyWithIncluded(data, nil)
+}
+
+func newRequestBodyWithIncluded(data interface{}, included interface{}) *requestBody {
+	return &requestBody{Data: data, Included: included}
+}
+
+type requestOption func(*http.Request)
+
+func withAccept(typ string) requestOption {
+	return func(req *http.Request) {
+		req.Header.Set("Accept", typ)
+	}
+}
+
+func withContentType(typ string) requestOption {
+	return func(req *http.Request) {
+		req.Header.Set("Content-Type", typ)
+	}
+}
+
+// AddOptions adds the parameters in opt as URL query parameters to s.  opt
+// must be a struct whose fields may contain "url" tags.
+func appendingQueryOptions(s string, opt interface{}) (string, error) {
+	v := reflect.ValueOf(opt)
+	if v.Kind() == reflect.Ptr && v.IsNil() {
+		return s, nil
+	}
+
+	u, err := url.Parse(s)
+	if err != nil {
+		return s, err
+	}
+
+	qs, err := query.Values(opt)
+	if err != nil {
+		return s, err
+	}
+
+	u.RawQuery = qs.Encode()
+
+	return u.String(), nil
+}

cmd/internal/app_store_connect/main.go

@@ -5,15 +5,15 @@ import (
 	"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"
+
+	"github.com/cidertool/asc-go/asc"
 )
 
 func main() {
@@ -54,20 +54,20 @@ const (
 	groupID = "5c5f3b78-b7a0-40c0-bcad-e6ef87bbefda"
 )
 
-func createClient(expireDuration time.Duration) *asc.Client {
+func createClient() *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)
+	tokenConfig, err := asc.NewTokenConfig(os.Getenv("ASC_KEY_ID"), os.Getenv("ASC_KEY_ISSUER_ID"), time.Minute, privateKey)
 	if err != nil {
 		log.Fatal(err)
 	}
-	return asc.NewClient(tokenConfig.Client())
+	return &Client{asc.NewClient(tokenConfig.Client())}
 }
 
 func fetchMacOSVersion(ctx context.Context) error {
-	client := createClient(time.Minute)
+	client := createClient()
 	versions, _, err := client.Apps.ListAppStoreVersionsForApp(ctx, appID, &asc.ListAppStoreVersionsQuery{
 		FilterPlatform: []string{"MAC_OS"},
 	})
@@ -100,111 +100,28 @@ findVersion:
 }
 
 func publishTestflight(ctx context.Context) error {
-	tagVersion, err := build_shared.ReadTagVersion()
-	if err != nil {
-		return err
-	}
-	tag := tagVersion.VersionString()
-	client := createClient(20 * 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 {
+	client := createClient()
+	var buildsToPublish []asc.Build
+	for _, platform := range []string{
+		"IOS",
+		"MAC_OS",
+		"TV_OS",
+	} {
 		builds, _, err := client.Builds.ListBuilds(ctx, &asc.ListBuildsQuery{
 			FilterApp:                       []string{appID},
-				FilterPreReleaseVersionPlatform: []string{string(platform)},
+			FilterPreReleaseVersionPlatform: []string{platform},
 		})
 		if err != nil {
 			return err
 		}
-			build := builds.Data[0]
-			if common.Contains(buildIDs, build.ID) || time.Since(build.Attributes.UploadedDate.Time) > 30*time.Minute {
-				log.Info(string(platform), " ", tag, " waiting for process")
-				time.Sleep(15 * time.Second)
-				continue
+		buildsToPublish = append(buildsToPublish, builds.Data[0])
 	}
-			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)
+	_, err := client.TestFlight.AddBuildsToBetaGroup(ctx, groupID, common.Map(buildsToPublish, func(it asc.Build) string {
+		return it.ID
+	}))
 	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 || response.StatusCode == http.StatusNotFound) {
-				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
 }
 
@@ -221,15 +138,12 @@ func cancelAppStore(ctx context.Context, platform string) error {
 	if err != nil {
 		return err
 	}
-	client := createClient(time.Minute)
-	for {
+	client := createClient()
 	log.Info(platform, " list versions")
-		versions, response, err := client.Apps.ListAppStoreVersionsForApp(ctx, appID, &asc.ListAppStoreVersionsQuery{
+	versions, _, err := client.Apps.ListAppStoreVersionsForApp(ctx, appID, &asc.ListAppStoreVersionsQuery{
 		FilterPlatform: []string{string(platform)},
 	})
-		if isRetryable(response) {
-			continue
-		} else if err != nil {
+	if err != nil {
 		return err
 	}
 	version := common.Find(versions.Data, func(it asc.AppStoreVersion) bool {
@@ -238,14 +152,12 @@ func cancelAppStore(ctx context.Context, platform string) error {
 	if version.ID == "" {
 		return nil
 	}
-		log.Info(platform, " ", tag, " get submission")
+	log.Info(string(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 {
+	if err != nil {
 		return err
 	}
 	log.Info(platform, " ", tag, " delete submission")
@@ -254,7 +166,6 @@ func cancelAppStore(ctx context.Context, platform string) error {
 		return err
 	}
 	return nil
-	}
 }
 
 func prepareAppStore(ctx context.Context) error {
@@ -262,7 +173,7 @@ func prepareAppStore(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
-	client := createClient(time.Minute)
+	client := createClient()
 	for _, platform := range []asc.Platform{
 		asc.PlatformIOS,
 		asc.PlatformMACOS,
@@ -331,7 +242,7 @@ func prepareAppStore(ctx context.Context) error {
 					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)
+				response, err = client.UpdateBuildForAppStoreVersion(ctx, version.ID, buildID)
 				if err != nil {
 					return err
 				}
@@ -364,7 +275,7 @@ func prepareAppStore(ctx context.Context) error {
 		if localization.ID == "" {
 			log.Info(string(platform), " ", tag, " no en-US localization found")
 		}
-		if localization.Attributes == nil || localization.Attributes.WhatsNew == nil || *localization.Attributes.WhatsNew == "" {
+		if 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."),
@@ -383,14 +294,16 @@ func prepareAppStore(ctx context.Context) error {
 				case http.StatusInternalServerError:
 					continue
 				default:
-					return err
+					response.Write(os.Stderr)
+					log.Info(string(platform), " ", tag, " unexpected response: ", response.Status)
 				}
 			}
 			switch response.StatusCode {
 			case http.StatusCreated:
 				break fixSubmit
 			default:
-				return err
+				response.Write(os.Stderr)
+				log.Info(string(platform), " ", tag, " unexpected response: ", response.Status)
 			}
 		}
 	}
@@ -402,7 +315,7 @@ func publishAppStore(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
-	client := createClient(time.Minute)
+	client := createClient()
 	for _, platform := range []asc.Platform{
 		asc.PlatformIOS,
 		asc.PlatformMACOS,
@@ -436,15 +349,3 @@ func publishAppStore(ctx context.Context) error {
 	}
 	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

@@ -19,14 +19,12 @@ var (
 	debugEnabled bool
 	target       string
 	platform     string
-	withTailscale bool
 )
 
 func init() {
 	flag.BoolVar(&debugEnabled, "debug", false, "enable debug")
 	flag.StringVar(&target, "target", "android", "target platform")
 	flag.StringVar(&platform, "platform", "", "specify platform")
-	flag.BoolVar(&withTailscale, "with-tailscale", false, "build tailscale for iOS and tvOS")
 }
 
 func main() {
@@ -46,9 +44,7 @@ var (
 	sharedFlags []string
 	debugFlags  []string
 	sharedTags  []string
-	macOSTags   []string
-	memcTags    []string
-	notMemcTags []string
+	iosTags     []string
 	debugTags   []string
 )
 
@@ -59,13 +55,11 @@ func init() {
 	if err != nil {
 		currentTag = "unknown"
 	}
-	sharedFlags = append(sharedFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -s -w -buildid=  -checklinkname=0")
-	debugFlags = append(debugFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -checklinkname=0")
+	sharedFlags = append(sharedFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -s -w -buildid=")
+	debugFlags = append(debugFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag)
 
-	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_utls", "with_clash_api", "with_conntrack")
-	macOSTags = append(macOSTags, "with_dhcp")
-	memcTags = append(memcTags, "with_tailscale")
-	notMemcTags = append(notMemcTags, "with_low_memory")
+	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_ech", "with_utls", "with_clash_api")
+	iosTags = append(iosTags, "with_dhcp", "with_low_memory", "with_conntrack")
 	debugTags = append(debugTags, "debug")
 }
 
@@ -105,21 +99,18 @@ func buildAndroid() {
 		"-javapkg=io.nekohasekai",
 		"-libname=box",
 	}
-
 	if !debugEnabled {
-		// sharedFlags[3] = sharedFlags[3] + " -checklinkname=0"
 		args = append(args, sharedFlags...)
 	} else {
-		// debugFlags[1] = debugFlags[1] + " -checklinkname=0"
 		args = append(args, debugFlags...)
 	}
 
-	tags := append(sharedTags, memcTags...)
-	if debugEnabled {
-		tags = append(tags, debugTags...)
+	args = append(args, "-tags")
+	if !debugEnabled {
+		args = append(args, strings.Join(sharedTags, ","))
+	} else {
+		args = append(args, strings.Join(append(sharedTags, debugTags...), ","))
 	}
-
-	args = append(args, "-tags", strings.Join(tags, ","))
 	args = append(args, "./experimental/libbox")
 
 	command := exec.Command(build_shared.GoBinPath+"/gomobile", args...)
@@ -157,29 +148,20 @@ func buildApple() {
 		"-v",
 		"-target", bindTarget,
 		"-libname=box",
-		"-tags-not-macos=with_low_memory",
 	}
-	if !withTailscale {
-		args = append(args, "-tags-macos="+strings.Join(append(macOSTags, memcTags...), ","))
-	} else {
-		args = append(args, "-tags-macos="+strings.Join(macOSTags, ","))
-	}
-
 	if !debugEnabled {
 		args = append(args, sharedFlags...)
 	} else {
 		args = append(args, debugFlags...)
 	}
 
-	tags := sharedTags
-	if withTailscale {
-		tags = append(tags, memcTags...)
+	tags := append(sharedTags, iosTags...)
+	args = append(args, "-tags")
+	if !debugEnabled {
+		args = append(args, strings.Join(tags, ","))
+	} else {
+		args = append(args, strings.Join(append(tags, debugTags...), ","))
 	}
-	if debugEnabled {
-		tags = append(tags, debugTags...)
-	}
-
-	args = append(args, "-tags", strings.Join(tags, ","))
 	args = append(args, "./experimental/libbox")
 
 	command := exec.Command(build_shared.GoBinPath+"/gomobile", args...)

cmd/internal/build_shared/sdk.go

@@ -48,7 +48,7 @@ func FindSDK() {
 }
 
 func findNDK() bool {
-	const fixedVersion = "28.0.13004108"
+	const fixedVersion = "28.0.12674087"
 	const versionFile = "source.properties"
 	if fixedPath := filepath.Join(androidSDKPath, "ndk", fixedVersion); rw.IsFile(filepath.Join(fixedPath, versionFile)) {
 		androidNDKPath = fixedPath

cmd/internal/read_tag/main.go

@@ -5,49 +5,40 @@ import (
 	"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
-)
+var nightly bool
 
 func init() {
-	flag.BoolVar(&flagRunInCI, "ci", false, "Run in CI")
-	flag.BoolVar(&flagRunNightly, "nightly", false, "Run nightly")
+	flag.BoolVar(&nightly, "nightly", false, "Print nightly tag")
 }
 
 func main() {
 	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 {
-		versionStr, err = build_shared.ReadTag()
-	}
-	if flagRunInCI {
+	if nightly {
+		version, err := build_shared.ReadTagVersionRev()
 		if err != nil {
 			log.Fatal(err)
 		}
+		var versionStr string
+		if version.PreReleaseIdentifier != "" {
+			versionStr = version.VersionString() + "-nightly"
+		} else {
+			version.Patch++
+			versionStr = version.VersionString() + "-nightly"
+		}
 		err = setGitHubEnv("version", versionStr)
 		if err != nil {
 			log.Fatal(err)
 		}
 	} else {
+		tag, err := build_shared.ReadTag()
 		if err != nil {
 			log.Error(err)
 			os.Stdout.WriteString("unknown\n")
 		} else {
-			os.Stdout.WriteString(versionStr + "\n")
+			os.Stdout.WriteString(tag + "\n")
 		}
 	}
 }

cmd/internal/tun_bench/main.go

@@ -1,284 +0,0 @@
-package main
-
-import (
-	"context"
-	"fmt"
-	"io"
-	"net/netip"
-	"os"
-	"os/exec"
-	"strings"
-	"syscall"
-	"time"
-
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/include"
-	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing/common"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/json"
-	"github.com/sagernet/sing/common/shell"
-)
-
-var iperf3Path string
-
-func main() {
-	err := main0()
-	if err != nil {
-		log.Fatal(err)
-	}
-}
-
-func main0() error {
-	err := shell.Exec("sudo", "ls").Run()
-	if err != nil {
-		return err
-	}
-	results, err := runTests()
-	if err != nil {
-		return err
-	}
-	encoder := json.NewEncoder(os.Stdout)
-	encoder.SetIndent("", "  ")
-	return encoder.Encode(results)
-}
-
-func runTests() ([]TestResult, error) {
-	boxPaths := []string{
-		os.ExpandEnv("$HOME/Downloads/sing-box-1.11.15-darwin-arm64/sing-box"),
-		//"/Users/sekai/Downloads/sing-box-1.11.15-linux-arm64/sing-box",
-		"./sing-box",
-	}
-	stacks := []string{
-		"gvisor",
-		"system",
-	}
-	mtus := []int{
-		1500,
-		4064,
-		// 16384,
-		// 32768,
-		// 49152,
-		65535,
-	}
-	flagList := [][]string{
-		{},
-	}
-	var results []TestResult
-	for _, boxPath := range boxPaths {
-		for _, stack := range stacks {
-			for _, mtu := range mtus {
-				if strings.HasPrefix(boxPath, ".") {
-					for _, flags := range flagList {
-						result, err := testOnce(boxPath, stack, mtu, false, flags)
-						if err != nil {
-							return nil, err
-						}
-						results = append(results, *result)
-					}
-				} else {
-					result, err := testOnce(boxPath, stack, mtu, false, nil)
-					if err != nil {
-						return nil, err
-					}
-					results = append(results, *result)
-				}
-			}
-		}
-	}
-	return results, nil
-}
-
-type TestResult struct {
-	BoxPath       string   `json:"box_path"`
-	Stack         string   `json:"stack"`
-	MTU           int      `json:"mtu"`
-	Flags         []string `json:"flags"`
-	MultiThread   bool     `json:"multi_thread"`
-	UploadSpeed   string   `json:"upload_speed"`
-	DownloadSpeed string   `json:"download_speed"`
-}
-
-func testOnce(boxPath string, stackName string, mtu int, multiThread bool, flags []string) (result *TestResult, err error) {
-	testAddress := netip.MustParseAddr("1.1.1.1")
-	testConfig := option.Options{
-		Inbounds: []option.Inbound{
-			{
-				Type: C.TypeTun,
-				Options: &option.TunInboundOptions{
-					Address:      []netip.Prefix{netip.MustParsePrefix("172.18.0.1/30")},
-					AutoRoute:    true,
-					MTU:          uint32(mtu),
-					Stack:        stackName,
-					RouteAddress: []netip.Prefix{netip.PrefixFrom(testAddress, testAddress.BitLen())},
-				},
-			},
-		},
-		Route: &option.RouteOptions{
-			Rules: []option.Rule{
-				{
-					Type: C.RuleTypeDefault,
-					DefaultOptions: option.DefaultRule{
-						RawDefaultRule: option.RawDefaultRule{
-							IPCIDR: []string{testAddress.String()},
-						},
-						RuleAction: option.RuleAction{
-							Action: C.RuleActionTypeRouteOptions,
-							RouteOptionsOptions: option.RouteOptionsActionOptions{
-								OverrideAddress: "127.0.0.1",
-							},
-						},
-					},
-				},
-			},
-			AutoDetectInterface: true,
-		},
-	}
-	ctx := include.Context(context.Background())
-	tempConfig, err := os.CreateTemp("", "tun-bench-*.json")
-	if err != nil {
-		return
-	}
-	defer os.Remove(tempConfig.Name())
-	encoder := json.NewEncoderContext(ctx, tempConfig)
-	encoder.SetIndent("", "  ")
-	err = encoder.Encode(testConfig)
-	if err != nil {
-		return nil, E.Cause(err, "encode test config")
-	}
-	tempConfig.Close()
-	var sudoArgs []string
-	if len(flags) > 0 {
-		sudoArgs = append(sudoArgs, "env")
-		sudoArgs = append(sudoArgs, flags...)
-	}
-	sudoArgs = append(sudoArgs, boxPath, "run", "-c", tempConfig.Name())
-	boxProcess := shell.Exec("sudo", sudoArgs...)
-	boxProcess.Stdout = &stderrWriter{}
-	boxProcess.Stderr = io.Discard
-	err = boxProcess.Start()
-	if err != nil {
-		return
-	}
-
-	if C.IsDarwin {
-		iperf3Path, err = exec.LookPath("iperf3-darwin")
-	} else {
-		iperf3Path, err = exec.LookPath("iperf3")
-	}
-	if err != nil {
-		return
-	}
-	serverProcess := shell.Exec(iperf3Path, "-s")
-	serverProcess.Stdout = io.Discard
-	serverProcess.Stderr = io.Discard
-	err = serverProcess.Start()
-	if err != nil {
-		return nil, E.Cause(err, "start iperf3 server")
-	}
-
-	time.Sleep(time.Second)
-
-	args := []string{"-c", testAddress.String()}
-	if multiThread {
-		args = append(args, "-P", "10")
-	}
-
-	uploadProcess := shell.Exec(iperf3Path, args...)
-	output, err := uploadProcess.Read()
-	if err != nil {
-		boxProcess.Process.Signal(syscall.SIGKILL)
-		serverProcess.Process.Signal(syscall.SIGKILL)
-		println(output)
-		return
-	}
-
-	uploadResult := common.SubstringBeforeLast(output, "iperf Done.")
-	uploadResult = common.SubstringBeforeLast(uploadResult, "sender")
-	uploadResult = common.SubstringBeforeLast(uploadResult, "bits/sec")
-	uploadResult = common.SubstringAfterLast(uploadResult, "Bytes")
-	uploadResult = strings.ReplaceAll(uploadResult, " ", "")
-
-	result = &TestResult{
-		BoxPath:     boxPath,
-		Stack:       stackName,
-		MTU:         mtu,
-		Flags:       flags,
-		MultiThread: multiThread,
-		UploadSpeed: uploadResult,
-	}
-
-	downloadProcess := shell.Exec(iperf3Path, append(args, "-R")...)
-	output, err = downloadProcess.Read()
-	if err != nil {
-		boxProcess.Process.Signal(syscall.SIGKILL)
-		serverProcess.Process.Signal(syscall.SIGKILL)
-		println(output)
-		return
-	}
-
-	downloadResult := common.SubstringBeforeLast(output, "iperf Done.")
-	downloadResult = common.SubstringBeforeLast(downloadResult, "receiver")
-	downloadResult = common.SubstringBeforeLast(downloadResult, "bits/sec")
-	downloadResult = common.SubstringAfterLast(downloadResult, "Bytes")
-	downloadResult = strings.ReplaceAll(downloadResult, " ", "")
-
-	result.DownloadSpeed = downloadResult
-
-	printArgs := []any{boxPath, stackName, mtu, "upload", uploadResult, "download", downloadResult}
-	if len(flags) > 0 {
-		printArgs = append(printArgs, "flags", strings.Join(flags, " "))
-	}
-	if multiThread {
-		printArgs = append(printArgs, "(-P 10)")
-	}
-	fmt.Println(printArgs...)
-	err = boxProcess.Process.Signal(syscall.SIGTERM)
-	if err != nil {
-		return
-	}
-
-	err = serverProcess.Process.Signal(syscall.SIGTERM)
-	if err != nil {
-		return
-	}
-
-	boxDone := make(chan struct{})
-	go func() {
-		boxProcess.Cmd.Wait()
-		close(boxDone)
-	}()
-
-	serverDone := make(chan struct{})
-	go func() {
-		serverProcess.Process.Wait()
-		close(serverDone)
-	}()
-
-	select {
-	case <-boxDone:
-	case <-time.After(2 * time.Second):
-		boxProcess.Process.Kill()
-	case <-time.After(4 * time.Second):
-		println("box process did not close!")
-		os.Exit(1)
-	}
-
-	select {
-	case <-serverDone:
-	case <-time.After(2 * time.Second):
-		serverProcess.Process.Kill()
-	case <-time.After(4 * time.Second):
-		println("server process did not close!")
-		os.Exit(1)
-	}
-
-	return
-}
-
-type stderrWriter struct{}
-
-func (w *stderrWriter) Write(p []byte) (n int, err error) {
-	return os.Stderr.Write(p)
-}

cmd/internal/update_android_version/main.go

@@ -13,14 +13,10 @@ import (
 	"github.com/sagernet/sing/common"
 )
 
-var (
-	flagRunInCI    bool
-	flagRunNightly bool
-)
+var flagRunInCI bool
 
 func init() {
 	flag.BoolVar(&flagRunInCI, "ci", false, "Run in CI")
-	flag.BoolVar(&flagRunNightly, "nightly", false, "Run nightly")
 }
 
 func main() {
@@ -50,23 +46,21 @@ func main() {
 		switch propPair[0] {
 		case "VERSION_NAME":
 			if propPair[1] != newVersion {
-				log.Info("updated version from ", propPair[1], " to ", newVersion)
 				versionUpdated = true
 				propPair[1] = newVersion
+				log.Info("updated version to ", 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_certificates/main.go

@@ -1,71 +0,0 @@
-package main
-
-import (
-	"encoding/csv"
-	"io"
-	"net/http"
-	"os"
-	"strings"
-
-	"github.com/sagernet/sing-box/log"
-
-	"golang.org/x/exp/slices"
-)
-
-func main() {
-	err := updateMozillaIncludedRootCAs()
-	if err != nil {
-		log.Error(err)
-	}
-}
-
-func updateMozillaIncludedRootCAs() error {
-	response, err := http.Get("https://ccadb.my.salesforce-sites.com/mozilla/IncludedCACertificateReportPEMCSV")
-	if err != nil {
-		return err
-	}
-	defer response.Body.Close()
-	reader := csv.NewReader(response.Body)
-	header, err := reader.Read()
-	if err != nil {
-		return err
-	}
-	geoIndex := slices.Index(header, "Geographic Focus")
-	nameIndex := slices.Index(header, "Common Name or Certificate Name")
-	certIndex := slices.Index(header, "PEM Info")
-
-	generated := strings.Builder{}
-	generated.WriteString(`// Code generated by 'make update_certificates'. DO NOT EDIT.
-
-package certificate
-
-import "crypto/x509"
-
-var mozillaIncluded *x509.CertPool
-
-func init() {
-	mozillaIncluded = x509.NewCertPool()
-`)
-	for {
-		record, err := reader.Read()
-		if err == io.EOF {
-			break
-		} else if err != nil {
-			return err
-		}
-		if record[geoIndex] == "China" {
-			continue
-		}
-		generated.WriteString("\n	// ")
-		generated.WriteString(record[nameIndex])
-		generated.WriteString("\n")
-		generated.WriteString("	mozillaIncluded.AppendCertsFromPEM([]byte(`")
-		cert := record[certIndex]
-		// Remove single quotes
-		cert = cert[1 : len(cert)-1]
-		generated.WriteString(cert)
-		generated.WriteString("`))\n")
-	}
-	generated.WriteString("}\n")
-	return os.WriteFile("common/certificate/mozilla.go", []byte(generated.String()), 0o644)
-}

cmd/sing-box/cmd.go

@@ -7,6 +7,7 @@ import (
 	"strconv"
 	"time"
 
+	"github.com/sagernet/sing-box"
 	"github.com/sagernet/sing-box/experimental/deprecated"
 	"github.com/sagernet/sing-box/include"
 	"github.com/sagernet/sing-box/log"
@@ -67,5 +68,6 @@ func preRun(cmd *cobra.Command, args []string) {
 	if len(configPaths) == 0 && len(configDirectories) == 0 {
 		configPaths = append(configPaths, "config.json")
 	}
-	globalCtx = include.Context(service.ContextWith(globalCtx, deprecated.NewStderrManager(log.StdLogger())))
+	globalCtx = service.ContextWith(globalCtx, deprecated.NewStderrManager(log.StdLogger()))
+	globalCtx = box.Context(globalCtx, include.InboundRegistry(), include.OutboundRegistry(), include.EndpointRegistry())
 }

cmd/sing-box/cmd_generate_ech.go

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

cmd/sing-box/cmd_generate_tls.go

@@ -30,7 +30,7 @@ func init() {
 }
 
 func generateTLSKeyPair(serverName string) error {
-	privateKeyPem, publicKeyPem, err := tls.GenerateCertificate(nil, nil, time.Now, serverName, time.Now().AddDate(0, flagGenerateTLSKeyPairMonths, 0))
+	privateKeyPem, publicKeyPem, err := tls.GenerateKeyPair(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-path>",
+	Use:   "merge <output>",
 	Short: "Merge configurations",
 	Run: func(cmd *cobra.Command, args []string) {
 		err := merge(args[0])

cmd/sing-box/cmd_rule_set_compile.go

@@ -6,10 +6,8 @@ import (
 	"strings"
 
 	"github.com/sagernet/sing-box/common/srs"
-	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-box/route/rule"
 	"github.com/sagernet/sing/common/json"
 
 	"github.com/spf13/cobra"
@@ -71,7 +69,7 @@ func compileRuleSet(sourcePath string) error {
 	if err != nil {
 		return err
 	}
-	err = srs.Write(outputFile, plainRuleSet.Options, downgradeRuleSetVersion(plainRuleSet.Version, plainRuleSet.Options))
+	err = srs.Write(outputFile, plainRuleSet.Options, plainRuleSet.Version)
 	if err != nil {
 		outputFile.Close()
 		os.Remove(outputPath)
@@ -80,18 +78,3 @@ func compileRuleSet(sourcePath string) error {
 	outputFile.Close()
 	return nil
 }
-
-func downgradeRuleSetVersion(version uint8, options option.PlainRuleSet) uint8 {
-	if version == C.RuleSetVersion4 && !rule.HasHeadlessRule(options.Rules, func(rule option.DefaultHeadlessRule) bool {
-		return rule.NetworkInterfaceAddress != nil && rule.NetworkInterfaceAddress.Size() > 0 ||
-			len(rule.DefaultInterfaceAddress) > 0
-	}) {
-		version = C.RuleSetVersion3
-	}
-	if version == C.RuleSetVersion3 && !rule.HasHeadlessRule(options.Rules, func(rule option.DefaultHeadlessRule) bool {
-		return len(rule.NetworkType) > 0 || rule.NetworkIsExpensive || rule.NetworkIsConstrained
-	}) {
-		version = C.RuleSetVersion2
-	}
-	return version
-}

cmd/sing-box/cmd_rule_set_convert.go

@@ -5,7 +5,7 @@ import (
 	"os"
 	"strings"
 
-	"github.com/sagernet/sing-box/common/convertor/adguard"
+	"github.com/sagernet/sing-box/cmd/sing-box/internal/convertor/adguard"
 	"github.com/sagernet/sing-box/common/srs"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
@@ -54,7 +54,7 @@ func convertRuleSet(sourcePath string) error {
 	var rules []option.HeadlessRule
 	switch flagRuleSetConvertType {
 	case "adguard":
-		rules, err = adguard.ToOptions(reader, log.StdLogger())
+		rules, err = adguard.Convert(reader)
 	case "":
 		return E.New("source type is required")
 	default:

cmd/sing-box/cmd_rule_set_decompile.go

@@ -6,10 +6,7 @@ import (
 	"strings"
 
 	"github.com/sagernet/sing-box/common/srs"
-	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-box/option"
-	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/json"
 
 	"github.com/spf13/cobra"
@@ -53,11 +50,6 @@ func decompileRuleSet(sourcePath string) error {
 	if err != nil {
 		return err
 	}
-	if hasRule(ruleSet.Options.Rules, func(rule option.DefaultHeadlessRule) bool {
-		return len(rule.AdGuardDomain) > 0
-	}) {
-		return E.New("unable to decompile binary AdGuard rules to rule-set.")
-	}
 	var outputPath string
 	if flagRuleSetDecompileOutput == flagRuleSetDecompileDefaultOutput {
 		if strings.HasSuffix(sourcePath, ".srs") {
@@ -83,19 +75,3 @@ func decompileRuleSet(sourcePath string) error {
 	outputFile.Close()
 	return nil
 }
-
-func hasRule(rules []option.HeadlessRule, cond func(rule option.DefaultHeadlessRule) bool) bool {
-	for _, rule := range rules {
-		switch rule.Type {
-		case C.RuleTypeDefault:
-			if cond(rule.DefaultOptions) {
-				return true
-			}
-		case C.RuleTypeLogical:
-			if hasRule(rule.LogicalOptions.Rules, cond) {
-				return true
-			}
-		}
-	}
-	return false
-}

cmd/sing-box/cmd_rule_set_match.go

@@ -5,7 +5,6 @@ import (
 	"context"
 	"io"
 	"os"
-	"path/filepath"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/srs"
@@ -57,14 +56,6 @@ 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

@@ -1,162 +0,0 @@
-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

@@ -61,15 +61,14 @@ func upgradeRuleSet(sourcePath string) error {
 		log.Info("already up-to-date")
 		return nil
 	}
-	plainRuleSetCompat.Options, err = plainRuleSetCompat.Upgrade()
+	plainRuleSet, 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(plainRuleSetCompat)
+	err = encoder.Encode(plainRuleSet)
 	if err != nil {
 		return E.Cause(err, "encode config")
 	}

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.Transport{
+		Transport: &http3.RoundTripper{
 			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

@@ -4,6 +4,7 @@ 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"
@@ -57,7 +58,7 @@ func syncTime() error {
 		return err
 	}
 	if commandSyncTimeWrite {
-		err = ntp.SetSystemTime(response.Time)
+		err = settings.SetSystemTime(response.Time)
 		if err != nil {
 			return E.Cause(err, "write time to system")
 		}

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

@@ -2,7 +2,6 @@ package adguard
 
 import (
 	"bufio"
-	"bytes"
 	"io"
 	"net/netip"
 	"os"
@@ -10,10 +9,10 @@ import (
 	"strings"
 
 	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/logger"
 	M "github.com/sagernet/sing/common/metadata"
 )
 
@@ -28,7 +27,7 @@ type agdguardRuleLine struct {
 	isImportant bool
 }
 
-func ToOptions(reader io.Reader, logger logger.Logger) ([]option.HeadlessRule, error) {
+func Convert(reader io.Reader) ([]option.HeadlessRule, error) {
 	scanner := bufio.NewScanner(reader)
 	var (
 		ruleLines    []agdguardRuleLine
@@ -37,10 +36,7 @@ func ToOptions(reader io.Reader, logger logger.Logger) ([]option.HeadlessRule, e
 parseLine:
 	for scanner.Scan() {
 		ruleLine := scanner.Text()
-		if ruleLine == "" {
-			continue
-		}
-		if strings.HasPrefix(ruleLine, "!") || strings.HasPrefix(ruleLine, "#") {
+		if ruleLine == "" || ruleLine[0] == '!' || ruleLine[0] == '#' {
 			continue
 		}
 		originRuleLine := ruleLine
@@ -96,7 +92,7 @@ parseLine:
 				}
 				if !ignored {
 					ignoredLines++
-					logger.Debug("ignored unsupported rule with modifier: ", paramParts[0], ": ", originRuleLine)
+					log.Debug("ignored unsupported rule with modifier: ", paramParts[0], ": ", ruleLine)
 					continue parseLine
 				}
 			}
@@ -124,35 +120,27 @@ parseLine:
 			ruleLine = ruleLine[1 : len(ruleLine)-1]
 			if ignoreIPCIDRRegexp(ruleLine) {
 				ignoredLines++
-				logger.Debug("ignored unsupported rule with IPCIDR regexp: ", originRuleLine)
+				log.Debug("ignored unsupported rule with IPCIDR regexp: ", ruleLine)
 				continue
 			}
 			isRegexp = true
 		} else {
 			if strings.Contains(ruleLine, "://") {
 				ruleLine = common.SubstringAfter(ruleLine, "://")
-				isSuffix = true
 			}
 			if strings.Contains(ruleLine, "/") {
 				ignoredLines++
-				logger.Debug("ignored unsupported rule with path: ", originRuleLine)
+				log.Debug("ignored unsupported rule with path: ", ruleLine)
 				continue
 			}
-			if strings.Contains(ruleLine, "?") || strings.Contains(ruleLine, "&") {
+			if strings.Contains(ruleLine, "##") {
 				ignoredLines++
-				logger.Debug("ignored unsupported rule with query: ", originRuleLine)
+				log.Debug("ignored unsupported rule with element hiding: ", ruleLine)
 				continue
 			}
-			if strings.Contains(ruleLine, "[") || strings.Contains(ruleLine, "]") ||
-				strings.Contains(ruleLine, "(") || strings.Contains(ruleLine, ")") ||
-				strings.Contains(ruleLine, "!") || strings.Contains(ruleLine, "#") {
+			if strings.Contains(ruleLine, "#$#") {
 				ignoredLines++
-				logger.Debug("ignored unsupported cosmetic filter: ", originRuleLine)
-				continue
-			}
-			if strings.Contains(ruleLine, "~") {
-				ignoredLines++
-				logger.Debug("ignored unsupported rule modifier: ", originRuleLine)
+				log.Debug("ignored unsupported rule with element hiding: ", ruleLine)
 				continue
 			}
 			var domainCheck string
@@ -163,7 +151,7 @@ parseLine:
 			}
 			if ruleLine == "" {
 				ignoredLines++
-				logger.Debug("ignored unsupported rule with empty domain", originRuleLine)
+				log.Debug("ignored unsupported rule with empty domain", originRuleLine)
 				continue
 			} else {
 				domainCheck = strings.ReplaceAll(domainCheck, "*", "x")
@@ -171,13 +159,13 @@ parseLine:
 					_, ipErr := parseADGuardIPCIDRLine(ruleLine)
 					if ipErr == nil {
 						ignoredLines++
-						logger.Debug("ignored unsupported rule with IPCIDR: ", originRuleLine)
+						log.Debug("ignored unsupported rule with IPCIDR: ", ruleLine)
 						continue
 					}
 					if M.ParseSocksaddr(domainCheck).Port != 0 {
-						logger.Debug("ignored unsupported rule with port: ", originRuleLine)
+						log.Debug("ignored unsupported rule with port: ", ruleLine)
 					} else {
-						logger.Debug("ignored unsupported rule with invalid domain: ", originRuleLine)
+						log.Debug("ignored unsupported rule with invalid domain: ", ruleLine)
 					}
 					ignoredLines++
 					continue
@@ -295,112 +283,10 @@ parseLine:
 			},
 		}
 	}
-	if ignoredLines > 0 {
-		logger.Info("parsed rules: ", len(ruleLines), "/", len(ruleLines)+ignoredLines)
-	}
+	log.Info("parsed rules: ", len(ruleLines), "/", len(ruleLines)+ignoredLines)
 	return []option.HeadlessRule{currentRule}, nil
 }
 
-var ErrInvalid = E.New("invalid binary AdGuard rule-set")
-
-func FromOptions(rules []option.HeadlessRule) ([]byte, error) {
-	if len(rules) != 1 {
-		return nil, ErrInvalid
-	}
-	rule := rules[0]
-	var (
-		importantDomain             []string
-		importantDomainRegex        []string
-		importantExcludeDomain      []string
-		importantExcludeDomainRegex []string
-		domain                      []string
-		domainRegex                 []string
-		excludeDomain               []string
-		excludeDomainRegex          []string
-	)
-parse:
-	for {
-		switch rule.Type {
-		case C.RuleTypeLogical:
-			if !(len(rule.LogicalOptions.Rules) == 2 && rule.LogicalOptions.Rules[0].Type == C.RuleTypeDefault) {
-				return nil, ErrInvalid
-			}
-			if rule.LogicalOptions.Mode == C.LogicalTypeAnd && rule.LogicalOptions.Rules[0].DefaultOptions.Invert {
-				if len(importantExcludeDomain) == 0 && len(importantExcludeDomainRegex) == 0 {
-					importantExcludeDomain = rule.LogicalOptions.Rules[0].DefaultOptions.AdGuardDomain
-					importantExcludeDomainRegex = rule.LogicalOptions.Rules[0].DefaultOptions.DomainRegex
-					if len(importantExcludeDomain)+len(importantExcludeDomainRegex) == 0 {
-						return nil, ErrInvalid
-					}
-				} else {
-					excludeDomain = rule.LogicalOptions.Rules[0].DefaultOptions.AdGuardDomain
-					excludeDomainRegex = rule.LogicalOptions.Rules[0].DefaultOptions.DomainRegex
-					if len(excludeDomain)+len(excludeDomainRegex) == 0 {
-						return nil, ErrInvalid
-					}
-				}
-			} else if rule.LogicalOptions.Mode == C.LogicalTypeOr && !rule.LogicalOptions.Rules[0].DefaultOptions.Invert {
-				importantDomain = rule.LogicalOptions.Rules[0].DefaultOptions.AdGuardDomain
-				importantDomainRegex = rule.LogicalOptions.Rules[0].DefaultOptions.DomainRegex
-				if len(importantDomain)+len(importantDomainRegex) == 0 {
-					return nil, ErrInvalid
-				}
-			} else {
-				return nil, ErrInvalid
-			}
-			rule = rule.LogicalOptions.Rules[1]
-		case C.RuleTypeDefault:
-			domain = rule.DefaultOptions.AdGuardDomain
-			domainRegex = rule.DefaultOptions.DomainRegex
-			if len(domain)+len(domainRegex) == 0 {
-				return nil, ErrInvalid
-			}
-			break parse
-		}
-	}
-	var output bytes.Buffer
-	for _, ruleLine := range importantDomain {
-		output.WriteString(ruleLine)
-		output.WriteString("$important\n")
-	}
-	for _, ruleLine := range importantDomainRegex {
-		output.WriteString("/")
-		output.WriteString(ruleLine)
-		output.WriteString("/$important\n")
-
-	}
-	for _, ruleLine := range importantExcludeDomain {
-		output.WriteString("@@")
-		output.WriteString(ruleLine)
-		output.WriteString("$important\n")
-	}
-	for _, ruleLine := range importantExcludeDomainRegex {
-		output.WriteString("@@/")
-		output.WriteString(ruleLine)
-		output.WriteString("/$important\n")
-	}
-	for _, ruleLine := range domain {
-		output.WriteString(ruleLine)
-		output.WriteString("\n")
-	}
-	for _, ruleLine := range domainRegex {
-		output.WriteString("/")
-		output.WriteString(ruleLine)
-		output.WriteString("/\n")
-	}
-	for _, ruleLine := range excludeDomain {
-		output.WriteString("@@")
-		output.WriteString(ruleLine)
-		output.WriteString("\n")
-	}
-	for _, ruleLine := range excludeDomainRegex {
-		output.WriteString("@@/")
-		output.WriteString(ruleLine)
-		output.WriteString("/\n")
-	}
-	return output.Bytes(), nil
-}
-
 func ignoreIPCIDRRegexp(ruleLine string) bool {
 	if strings.HasPrefix(ruleLine, "(http?:\\/\\/)") {
 		ruleLine = ruleLine[12:]
@@ -408,9 +294,11 @@ func ignoreIPCIDRRegexp(ruleLine string) bool {
 		ruleLine = ruleLine[13:]
 	} else if strings.HasPrefix(ruleLine, "^") {
 		ruleLine = ruleLine[1:]
+	} else {
+		return false
 	}
-	return common.Error(strconv.ParseUint(common.SubstringBefore(ruleLine, "\\."), 10, 8)) == nil ||
-		common.Error(strconv.ParseUint(common.SubstringBefore(ruleLine, "."), 10, 8)) == nil
+	_, parseErr := strconv.ParseUint(common.SubstringBefore(ruleLine, "\\."), 10, 8)
+	return parseErr == nil
 }
 
 func parseAdGuardHostLine(ruleLine string) (string, error) {
@@ -454,5 +342,5 @@ func parseADGuardIPCIDRLine(ruleLine string) (netip.Prefix, error) {
 	for len(ruleParts) < 4 {
 		ruleParts = append(ruleParts, 0)
 	}
-	return netip.PrefixFrom(netip.AddrFrom4([4]byte(ruleParts)), bitLen), nil
+	return netip.PrefixFrom(netip.AddrFrom4(*(*[4]byte)(ruleParts)), bitLen), nil
 }

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

@@ -7,15 +7,13 @@ import (
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/route/rule"
-	"github.com/sagernet/sing/common/logger"
 
 	"github.com/stretchr/testify/require"
 )
 
 func TestConverter(t *testing.T) {
 	t.Parallel()
-	ruleString := `||sagernet.org^$important
-@@|sing-box.sagernet.org^$important
+	rules, err := Convert(strings.NewReader(`
 ||example.org^
 |example.com^
 example.net^
@@ -23,9 +21,10 @@ example.net^
 ||example.edu.tw^
 |example.gov
 example.arpa
-@@|sagernet.example.org^
-`
-	rules, err := ToOptions(strings.NewReader(ruleString), logger.NOP())
+@@|sagernet.example.org|
+||sagernet.org^$important
+@@|sing-box.sagernet.org^$important
+`))
 	require.NoError(t, err)
 	require.Len(t, rules, 1)
 	rule, err := rule.NewHeadlessRule(context.Background(), rules[0])
@@ -76,18 +75,15 @@ example.arpa
 			Domain: domain,
 		}), domain)
 	}
-	ruleFromOptions, err := FromOptions(rules)
-	require.NoError(t, err)
-	require.Equal(t, ruleString, string(ruleFromOptions))
 }
 
 func TestHosts(t *testing.T) {
 	t.Parallel()
-	rules, err := ToOptions(strings.NewReader(`
+	rules, err := Convert(strings.NewReader(`
 127.0.0.1 localhost
 ::1 localhost #[IPv6]
 0.0.0.0 google.com
-`), logger.NOP())
+`))
 	require.NoError(t, err)
 	require.Len(t, rules, 1)
 	rule, err := rule.NewHeadlessRule(context.Background(), rules[0])
@@ -114,10 +110,10 @@ func TestHosts(t *testing.T) {
 
 func TestSimpleHosts(t *testing.T) {
 	t.Parallel()
-	rules, err := ToOptions(strings.NewReader(`
+	rules, err := Convert(strings.NewReader(`
 example.com
 www.example.org
-`), logger.NOP())
+`))
 	require.NoError(t, err)
 	require.Len(t, rules, 1)
 	rule, err := rule.NewHeadlessRule(context.Background(), rules[0])

common/badtls/raw_conn.go

@@ -1,169 +0,0 @@
-//go:build go1.25 && !without_badtls
-
-package badtls
-
-import (
-	"bytes"
-	"os"
-	"reflect"
-	"sync/atomic"
-	"unsafe"
-
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/tls"
-)
-
-type RawConn struct {
-	pointer unsafe.Pointer
-	methods *Methods
-
-	IsClient            *bool
-	IsHandshakeComplete *atomic.Bool
-	Vers                *uint16
-	CipherSuite         *uint16
-
-	RawInput *bytes.Buffer
-	Input    *bytes.Reader
-	Hand     *bytes.Buffer
-
-	CloseNotifySent *bool
-	CloseNotifyErr  *error
-
-	In  *RawHalfConn
-	Out *RawHalfConn
-
-	BytesSent   *int64
-	PacketsSent *int64
-
-	ActiveCall *atomic.Int32
-}
-
-func NewRawConn(rawTLSConn tls.Conn) (*RawConn, error) {
-	var (
-		pointer unsafe.Pointer
-		methods *Methods
-		loaded  bool
-	)
-	for _, tlsCreator := range methodRegistry {
-		pointer, methods, loaded = tlsCreator(rawTLSConn)
-		if loaded {
-			break
-		}
-	}
-	if !loaded {
-		return nil, os.ErrInvalid
-	}
-
-	conn := &RawConn{
-		pointer: pointer,
-		methods: methods,
-	}
-
-	rawConn := reflect.Indirect(reflect.ValueOf(rawTLSConn))
-
-	rawIsClient := rawConn.FieldByName("isClient")
-	if !rawIsClient.IsValid() || rawIsClient.Kind() != reflect.Bool {
-		return nil, E.New("invalid Conn.isClient")
-	}
-	conn.IsClient = (*bool)(unsafe.Pointer(rawIsClient.UnsafeAddr()))
-
-	rawIsHandshakeComplete := rawConn.FieldByName("isHandshakeComplete")
-	if !rawIsHandshakeComplete.IsValid() || rawIsHandshakeComplete.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.isHandshakeComplete")
-	}
-	conn.IsHandshakeComplete = (*atomic.Bool)(unsafe.Pointer(rawIsHandshakeComplete.UnsafeAddr()))
-
-	rawVers := rawConn.FieldByName("vers")
-	if !rawVers.IsValid() || rawVers.Kind() != reflect.Uint16 {
-		return nil, E.New("invalid Conn.vers")
-	}
-	conn.Vers = (*uint16)(unsafe.Pointer(rawVers.UnsafeAddr()))
-
-	rawCipherSuite := rawConn.FieldByName("cipherSuite")
-	if !rawCipherSuite.IsValid() || rawCipherSuite.Kind() != reflect.Uint16 {
-		return nil, E.New("invalid Conn.cipherSuite")
-	}
-	conn.CipherSuite = (*uint16)(unsafe.Pointer(rawCipherSuite.UnsafeAddr()))
-
-	rawRawInput := rawConn.FieldByName("rawInput")
-	if !rawRawInput.IsValid() || rawRawInput.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.rawInput")
-	}
-	conn.RawInput = (*bytes.Buffer)(unsafe.Pointer(rawRawInput.UnsafeAddr()))
-
-	rawInput := rawConn.FieldByName("input")
-	if !rawInput.IsValid() || rawInput.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.input")
-	}
-	conn.Input = (*bytes.Reader)(unsafe.Pointer(rawInput.UnsafeAddr()))
-
-	rawHand := rawConn.FieldByName("hand")
-	if !rawHand.IsValid() || rawHand.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.hand")
-	}
-	conn.Hand = (*bytes.Buffer)(unsafe.Pointer(rawHand.UnsafeAddr()))
-
-	rawCloseNotifySent := rawConn.FieldByName("closeNotifySent")
-	if !rawCloseNotifySent.IsValid() || rawCloseNotifySent.Kind() != reflect.Bool {
-		return nil, E.New("invalid Conn.closeNotifySent")
-	}
-	conn.CloseNotifySent = (*bool)(unsafe.Pointer(rawCloseNotifySent.UnsafeAddr()))
-
-	rawCloseNotifyErr := rawConn.FieldByName("closeNotifyErr")
-	if !rawCloseNotifyErr.IsValid() || rawCloseNotifyErr.Kind() != reflect.Interface {
-		return nil, E.New("invalid Conn.closeNotifyErr")
-	}
-	conn.CloseNotifyErr = (*error)(unsafe.Pointer(rawCloseNotifyErr.UnsafeAddr()))
-
-	rawIn := rawConn.FieldByName("in")
-	if !rawIn.IsValid() || rawIn.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.in")
-	}
-	halfIn, err := NewRawHalfConn(rawIn, methods)
-	if err != nil {
-		return nil, E.Cause(err, "invalid Conn.in")
-	}
-	conn.In = halfIn
-
-	rawOut := rawConn.FieldByName("out")
-	if !rawOut.IsValid() || rawOut.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.out")
-	}
-	halfOut, err := NewRawHalfConn(rawOut, methods)
-	if err != nil {
-		return nil, E.Cause(err, "invalid Conn.out")
-	}
-	conn.Out = halfOut
-
-	rawBytesSent := rawConn.FieldByName("bytesSent")
-	if !rawBytesSent.IsValid() || rawBytesSent.Kind() != reflect.Int64 {
-		return nil, E.New("invalid Conn.bytesSent")
-	}
-	conn.BytesSent = (*int64)(unsafe.Pointer(rawBytesSent.UnsafeAddr()))
-
-	rawPacketsSent := rawConn.FieldByName("packetsSent")
-	if !rawPacketsSent.IsValid() || rawPacketsSent.Kind() != reflect.Int64 {
-		return nil, E.New("invalid Conn.packetsSent")
-	}
-	conn.PacketsSent = (*int64)(unsafe.Pointer(rawPacketsSent.UnsafeAddr()))
-
-	rawActiveCall := rawConn.FieldByName("activeCall")
-	if !rawActiveCall.IsValid() || rawActiveCall.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.activeCall")
-	}
-	conn.ActiveCall = (*atomic.Int32)(unsafe.Pointer(rawActiveCall.UnsafeAddr()))
-
-	return conn, nil
-}
-
-func (c *RawConn) ReadRecord() error {
-	return c.methods.readRecord(c.pointer)
-}
-
-func (c *RawConn) HandlePostHandshakeMessage() error {
-	return c.methods.handlePostHandshakeMessage(c.pointer)
-}
-
-func (c *RawConn) WriteRecordLocked(typ uint16, data []byte) (int, error) {
-	return c.methods.writeRecordLocked(c.pointer, typ, data)
-}

common/badtls/raw_half_conn.go

@@ -1,121 +0,0 @@
-//go:build go1.25 && !without_badtls
-
-package badtls
-
-import (
-	"hash"
-	"reflect"
-	"sync"
-	"unsafe"
-
-	E "github.com/sagernet/sing/common/exceptions"
-)
-
-type RawHalfConn struct {
-	pointer unsafe.Pointer
-	methods *Methods
-	*sync.Mutex
-	Err           *error
-	Version       *uint16
-	Cipher        *any
-	Seq           *[8]byte
-	ScratchBuf    *[13]byte
-	TrafficSecret *[]byte
-	Mac           *hash.Hash
-	RawKey        *[]byte
-	RawIV         *[]byte
-	RawMac        *[]byte
-}
-
-func NewRawHalfConn(rawHalfConn reflect.Value, methods *Methods) (*RawHalfConn, error) {
-	halfConn := &RawHalfConn{
-		pointer: (unsafe.Pointer)(rawHalfConn.UnsafeAddr()),
-		methods: methods,
-	}
-
-	rawMutex := rawHalfConn.FieldByName("Mutex")
-	if !rawMutex.IsValid() || rawMutex.Kind() != reflect.Struct {
-		return nil, E.New("badtls: invalid halfConn.Mutex")
-	}
-	halfConn.Mutex = (*sync.Mutex)(unsafe.Pointer(rawMutex.UnsafeAddr()))
-
-	rawErr := rawHalfConn.FieldByName("err")
-	if !rawErr.IsValid() || rawErr.Kind() != reflect.Interface {
-		return nil, E.New("badtls: invalid halfConn.err")
-	}
-	halfConn.Err = (*error)(unsafe.Pointer(rawErr.UnsafeAddr()))
-
-	rawVersion := rawHalfConn.FieldByName("version")
-	if !rawVersion.IsValid() || rawVersion.Kind() != reflect.Uint16 {
-		return nil, E.New("badtls: invalid halfConn.version")
-	}
-	halfConn.Version = (*uint16)(unsafe.Pointer(rawVersion.UnsafeAddr()))
-
-	rawCipher := rawHalfConn.FieldByName("cipher")
-	if !rawCipher.IsValid() || rawCipher.Kind() != reflect.Interface {
-		return nil, E.New("badtls: invalid halfConn.cipher")
-	}
-	halfConn.Cipher = (*any)(unsafe.Pointer(rawCipher.UnsafeAddr()))
-
-	rawSeq := rawHalfConn.FieldByName("seq")
-	if !rawSeq.IsValid() || rawSeq.Kind() != reflect.Array || rawSeq.Len() != 8 || rawSeq.Type().Elem().Kind() != reflect.Uint8 {
-		return nil, E.New("badtls: invalid halfConn.seq")
-	}
-	halfConn.Seq = (*[8]byte)(unsafe.Pointer(rawSeq.UnsafeAddr()))
-
-	rawScratchBuf := rawHalfConn.FieldByName("scratchBuf")
-	if !rawScratchBuf.IsValid() || rawScratchBuf.Kind() != reflect.Array || rawScratchBuf.Len() != 13 || rawScratchBuf.Type().Elem().Kind() != reflect.Uint8 {
-		return nil, E.New("badtls: invalid halfConn.scratchBuf")
-	}
-	halfConn.ScratchBuf = (*[13]byte)(unsafe.Pointer(rawScratchBuf.UnsafeAddr()))
-
-	rawTrafficSecret := rawHalfConn.FieldByName("trafficSecret")
-	if !rawTrafficSecret.IsValid() || rawTrafficSecret.Kind() != reflect.Slice || rawTrafficSecret.Type().Elem().Kind() != reflect.Uint8 {
-		return nil, E.New("badtls: invalid halfConn.trafficSecret")
-	}
-	halfConn.TrafficSecret = (*[]byte)(unsafe.Pointer(rawTrafficSecret.UnsafeAddr()))
-
-	rawMac := rawHalfConn.FieldByName("mac")
-	if !rawMac.IsValid() || rawMac.Kind() != reflect.Interface {
-		return nil, E.New("badtls: invalid halfConn.mac")
-	}
-	halfConn.Mac = (*hash.Hash)(unsafe.Pointer(rawMac.UnsafeAddr()))
-
-	rawKey := rawHalfConn.FieldByName("rawKey")
-	if rawKey.IsValid() {
-		if /*!rawKey.IsValid() || */ rawKey.Kind() != reflect.Slice || rawKey.Type().Elem().Kind() != reflect.Uint8 {
-			return nil, E.New("badtls: invalid halfConn.rawKey")
-		}
-		halfConn.RawKey = (*[]byte)(unsafe.Pointer(rawKey.UnsafeAddr()))
-
-		rawIV := rawHalfConn.FieldByName("rawIV")
-		if !rawIV.IsValid() || rawIV.Kind() != reflect.Slice || rawIV.Type().Elem().Kind() != reflect.Uint8 {
-			return nil, E.New("badtls: invalid halfConn.rawIV")
-		}
-		halfConn.RawIV = (*[]byte)(unsafe.Pointer(rawIV.UnsafeAddr()))
-
-		rawMAC := rawHalfConn.FieldByName("rawMac")
-		if !rawMAC.IsValid() || rawMAC.Kind() != reflect.Slice || rawMAC.Type().Elem().Kind() != reflect.Uint8 {
-			return nil, E.New("badtls: invalid halfConn.rawMac")
-		}
-		halfConn.RawMac = (*[]byte)(unsafe.Pointer(rawMAC.UnsafeAddr()))
-	}
-
-	return halfConn, nil
-}
-
-func (hc *RawHalfConn) Decrypt(record []byte) ([]byte, uint8, error) {
-	return hc.methods.decrypt(hc.pointer, record)
-}
-
-func (hc *RawHalfConn) SetErrorLocked(err error) error {
-	return hc.methods.setErrorLocked(hc.pointer, err)
-}
-
-func (hc *RawHalfConn) SetTrafficSecret(suite unsafe.Pointer, level int, secret []byte) {
-	hc.methods.setTrafficSecret(hc.pointer, suite, level, secret)
-}
-
-func (hc *RawHalfConn) ExplicitNonceLen() int {
-	return hc.methods.explicitNonceLen(hc.pointer)
-}

common/badtls/read_wait.go

@@ -1,9 +1,18 @@
-//go:build go1.25 && !without_badtls
+//go:build go1.21 && !without_badtls
 
 package badtls
 
 import (
+	"bytes"
+	"context"
+	"net"
+	"os"
+	"reflect"
+	"sync"
+	"unsafe"
+
 	"github.com/sagernet/sing/common/buf"
+	E "github.com/sagernet/sing/common/exceptions"
 	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/common/tls"
 )
@@ -12,18 +21,63 @@ var _ N.ReadWaiter = (*ReadWaitConn)(nil)
 
 type ReadWaitConn struct {
 	tls.Conn
-	rawConn         *RawConn
+	halfAccess                    *sync.Mutex
+	rawInput                      *bytes.Buffer
+	input                         *bytes.Reader
+	hand                          *bytes.Buffer
 	readWaitOptions               N.ReadWaitOptions
+	tlsReadRecord                 func() error
+	tlsHandlePostHandshakeMessage func() error
 }
 
 func NewReadWaitConn(conn tls.Conn) (tls.Conn, error) {
-	rawConn, err := NewRawConn(conn)
-	if err != nil {
-		return nil, err
+	var (
+		loaded                        bool
+		tlsReadRecord                 func() error
+		tlsHandlePostHandshakeMessage func() error
+	)
+	for _, tlsCreator := range tlsRegistry {
+		loaded, tlsReadRecord, tlsHandlePostHandshakeMessage = tlsCreator(conn)
+		if loaded {
+			break
 		}
+	}
+	if !loaded {
+		return nil, os.ErrInvalid
+	}
+	rawConn := reflect.Indirect(reflect.ValueOf(conn))
+	rawHalfConn := rawConn.FieldByName("in")
+	if !rawHalfConn.IsValid() || rawHalfConn.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid half conn")
+	}
+	rawHalfMutex := rawHalfConn.FieldByName("Mutex")
+	if !rawHalfMutex.IsValid() || rawHalfMutex.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid half mutex")
+	}
+	halfAccess := (*sync.Mutex)(unsafe.Pointer(rawHalfMutex.UnsafeAddr()))
+	rawRawInput := rawConn.FieldByName("rawInput")
+	if !rawRawInput.IsValid() || rawRawInput.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid raw input")
+	}
+	rawInput := (*bytes.Buffer)(unsafe.Pointer(rawRawInput.UnsafeAddr()))
+	rawInput0 := rawConn.FieldByName("input")
+	if !rawInput0.IsValid() || rawInput0.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid input")
+	}
+	input := (*bytes.Reader)(unsafe.Pointer(rawInput0.UnsafeAddr()))
+	rawHand := rawConn.FieldByName("hand")
+	if !rawHand.IsValid() || rawHand.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid hand")
+	}
+	hand := (*bytes.Buffer)(unsafe.Pointer(rawHand.UnsafeAddr()))
 	return &ReadWaitConn{
 		Conn:                          conn,
-		rawConn: rawConn,
+		halfAccess:                    halfAccess,
+		rawInput:                      rawInput,
+		input:                         input,
+		hand:                          hand,
+		tlsReadRecord:                 tlsReadRecord,
+		tlsHandlePostHandshakeMessage: tlsHandlePostHandshakeMessage,
 	}, nil
 }
 
@@ -33,36 +87,36 @@ func (c *ReadWaitConn) InitializeReadWaiter(options N.ReadWaitOptions) (needCopy
 }
 
 func (c *ReadWaitConn) WaitReadBuffer() (buffer *buf.Buffer, err error) {
-	//err = c.HandshakeContext(context.Background())
-	//if err != nil {
-	//	return
-	//}
-	c.rawConn.In.Lock()
-	defer c.rawConn.In.Unlock()
-	for c.rawConn.Input.Len() == 0 {
-		err = c.rawConn.ReadRecord()
+	err = c.HandshakeContext(context.Background())
 	if err != nil {
 		return
 	}
-		for c.rawConn.Hand.Len() > 0 {
-			err = c.rawConn.HandlePostHandshakeMessage()
+	c.halfAccess.Lock()
+	defer c.halfAccess.Unlock()
+	for c.input.Len() == 0 {
+		err = c.tlsReadRecord()
+		if err != nil {
+			return
+		}
+		for c.hand.Len() > 0 {
+			err = c.tlsHandlePostHandshakeMessage()
 			if err != nil {
 				return
 			}
 		}
 	}
 	buffer = c.readWaitOptions.NewBuffer()
-	n, err := c.rawConn.Input.Read(buffer.FreeBytes())
+	n, err := c.input.Read(buffer.FreeBytes())
 	if err != nil {
 		buffer.Release()
 		return
 	}
 	buffer.Truncate(n)
 
-	if n != 0 && c.rawConn.Input.Len() == 0 && c.rawConn.Input.Len() > 0 &&
-		// recordType(c.RawInput.Bytes()[0]) == recordTypeAlert {
-		c.rawConn.RawInput.Bytes()[0] == 21 {
-		_ = c.rawConn.ReadRecord()
+	if n != 0 && c.input.Len() == 0 && c.rawInput.Len() > 0 &&
+		// recordType(c.rawInput.Bytes()[0]) == recordTypeAlert {
+		c.rawInput.Bytes()[0] == 21 {
+		_ = c.tlsReadRecord()
 		// return n, err // will be io.EOF on closeNotify
 	}
 
@@ -74,6 +128,24 @@ func (c *ReadWaitConn) Upstream() any {
 	return c.Conn
 }
 
-func (c *ReadWaitConn) ReaderReplaceable() bool {
-	return true
+var tlsRegistry []func(conn net.Conn) (loaded bool, tlsReadRecord func() error, tlsHandlePostHandshakeMessage func() error)
+
+func init() {
+	tlsRegistry = append(tlsRegistry, func(conn net.Conn) (loaded bool, tlsReadRecord func() error, tlsHandlePostHandshakeMessage func() error) {
+		tlsConn, loaded := conn.(*tls.STDConn)
+		if !loaded {
+			return
+		}
+		return true, func() error {
+				return stdTLSReadRecord(tlsConn)
+			}, func() error {
+				return stdTLSHandlePostHandshakeMessage(tlsConn)
+			}
+	})
 }
+
+//go:linkname stdTLSReadRecord crypto/tls.(*Conn).readRecord
+func stdTLSReadRecord(c *tls.STDConn) error
+
+//go:linkname stdTLSHandlePostHandshakeMessage crypto/tls.(*Conn).handlePostHandshakeMessage
+func stdTLSHandlePostHandshakeMessage(c *tls.STDConn) error

common/badtls/read_wait_ech.go

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

common/badtls/read_wait_stub.go

@@ -1,4 +1,4 @@
-//go:build !go1.25 || without_badtls
+//go:build !go1.21 || without_badtls
 
 package badtls
 

common/badtls/read_wait_utls.go

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

common/badtls/registry.go

@@ -1,62 +0,0 @@
-//go:build go1.25 && !without_badtls
-
-package badtls
-
-import (
-	"crypto/tls"
-	"net"
-	"unsafe"
-)
-
-type Methods struct {
-	readRecord                 func(c unsafe.Pointer) error
-	handlePostHandshakeMessage func(c unsafe.Pointer) error
-	writeRecordLocked          func(c unsafe.Pointer, typ uint16, data []byte) (int, error)
-
-	setErrorLocked   func(hc unsafe.Pointer, err error) error
-	decrypt          func(hc unsafe.Pointer, record []byte) ([]byte, uint8, error)
-	setTrafficSecret func(hc unsafe.Pointer, suite unsafe.Pointer, level int, secret []byte)
-	explicitNonceLen func(hc unsafe.Pointer) int
-}
-
-var methodRegistry []func(conn net.Conn) (unsafe.Pointer, *Methods, bool)
-
-func init() {
-	methodRegistry = append(methodRegistry, func(conn net.Conn) (unsafe.Pointer, *Methods, bool) {
-		tlsConn, loaded := conn.(*tls.Conn)
-		if !loaded {
-			return nil, nil, false
-		}
-		return unsafe.Pointer(tlsConn), &Methods{
-			readRecord:                 stdTLSReadRecord,
-			handlePostHandshakeMessage: stdTLSHandlePostHandshakeMessage,
-			writeRecordLocked:          stdWriteRecordLocked,
-
-			setErrorLocked:   stdSetErrorLocked,
-			decrypt:          stdDecrypt,
-			setTrafficSecret: stdSetTrafficSecret,
-			explicitNonceLen: stdExplicitNonceLen,
-		}, true
-	})
-}
-
-//go:linkname stdTLSReadRecord crypto/tls.(*Conn).readRecord
-func stdTLSReadRecord(c unsafe.Pointer) error
-
-//go:linkname stdTLSHandlePostHandshakeMessage crypto/tls.(*Conn).handlePostHandshakeMessage
-func stdTLSHandlePostHandshakeMessage(c unsafe.Pointer) error
-
-//go:linkname stdWriteRecordLocked crypto/tls.(*Conn).writeRecordLocked
-func stdWriteRecordLocked(c unsafe.Pointer, typ uint16, data []byte) (int, error)
-
-//go:linkname stdSetErrorLocked crypto/tls.(*halfConn).setErrorLocked
-func stdSetErrorLocked(hc unsafe.Pointer, err error) error
-
-//go:linkname stdDecrypt crypto/tls.(*halfConn).decrypt
-func stdDecrypt(hc unsafe.Pointer, record []byte) ([]byte, uint8, error)
-
-//go:linkname stdSetTrafficSecret crypto/tls.(*halfConn).setTrafficSecret
-func stdSetTrafficSecret(hc unsafe.Pointer, suite unsafe.Pointer, level int, secret []byte)
-
-//go:linkname stdExplicitNonceLen crypto/tls.(*halfConn).explicitNonceLen
-func stdExplicitNonceLen(hc unsafe.Pointer) int

common/badtls/registry_utls.go

@@ -1,56 +0,0 @@
-//go:build go1.25 && !without_badtls
-
-package badtls
-
-import (
-	"net"
-	"unsafe"
-
-	N "github.com/sagernet/sing/common/network"
-
-	"github.com/metacubex/utls"
-)
-
-func init() {
-	methodRegistry = append(methodRegistry, func(conn net.Conn) (unsafe.Pointer, *Methods, bool) {
-		var pointer unsafe.Pointer
-		if uConn, loaded := N.CastReader[*tls.Conn](conn); loaded {
-			pointer = unsafe.Pointer(uConn)
-		} else if uConn, loaded := N.CastReader[*tls.UConn](conn); loaded {
-			pointer = unsafe.Pointer(uConn.Conn)
-		} else {
-			return nil, nil, false
-		}
-		return pointer, &Methods{
-			readRecord:                 utlsReadRecord,
-			handlePostHandshakeMessage: utlsHandlePostHandshakeMessage,
-			writeRecordLocked:          utlsWriteRecordLocked,
-
-			setErrorLocked:   utlsSetErrorLocked,
-			decrypt:          utlsDecrypt,
-			setTrafficSecret: utlsSetTrafficSecret,
-			explicitNonceLen: utlsExplicitNonceLen,
-		}, true
-	})
-}
-
-//go:linkname utlsReadRecord github.com/metacubex/utls.(*Conn).readRecord
-func utlsReadRecord(c unsafe.Pointer) error
-
-//go:linkname utlsHandlePostHandshakeMessage github.com/metacubex/utls.(*Conn).handlePostHandshakeMessage
-func utlsHandlePostHandshakeMessage(c unsafe.Pointer) error
-
-//go:linkname utlsWriteRecordLocked github.com/metacubex/utls.(*Conn).writeRecordLocked
-func utlsWriteRecordLocked(hc unsafe.Pointer, typ uint16, data []byte) (int, error)
-
-//go:linkname utlsSetErrorLocked github.com/metacubex/utls.(*halfConn).setErrorLocked
-func utlsSetErrorLocked(hc unsafe.Pointer, err error) error
-
-//go:linkname utlsDecrypt github.com/metacubex/utls.(*halfConn).decrypt
-func utlsDecrypt(hc unsafe.Pointer, record []byte) ([]byte, uint8, error)
-
-//go:linkname utlsSetTrafficSecret github.com/metacubex/utls.(*halfConn).setTrafficSecret
-func utlsSetTrafficSecret(hc unsafe.Pointer, suite unsafe.Pointer, level int, secret []byte)
-
-//go:linkname utlsExplicitNonceLen github.com/metacubex/utls.(*halfConn).explicitNonceLen
-func utlsExplicitNonceLen(hc unsafe.Pointer) int

common/certificate/store.go

@@ -1,185 +0,0 @@
-package certificate
-
-import (
-	"context"
-	"crypto/x509"
-	"io/fs"
-	"os"
-	"path/filepath"
-	"strings"
-
-	"github.com/sagernet/fswatch"
-	"github.com/sagernet/sing-box/adapter"
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/experimental/libbox/platform"
-	"github.com/sagernet/sing-box/option"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/logger"
-	"github.com/sagernet/sing/service"
-)
-
-var _ adapter.CertificateStore = (*Store)(nil)
-
-type Store struct {
-	systemPool                *x509.CertPool
-	currentPool               *x509.CertPool
-	certificate               string
-	certificatePaths          []string
-	certificateDirectoryPaths []string
-	watcher                   *fswatch.Watcher
-}
-
-func NewStore(ctx context.Context, logger logger.Logger, options option.CertificateOptions) (*Store, error) {
-	var systemPool *x509.CertPool
-	switch options.Store {
-	case C.CertificateStoreSystem, "":
-		systemPool = x509.NewCertPool()
-		platformInterface := service.FromContext[platform.Interface](ctx)
-		var systemValid bool
-		if platformInterface != nil {
-			for _, cert := range platformInterface.SystemCertificates() {
-				if systemPool.AppendCertsFromPEM([]byte(cert)) {
-					systemValid = true
-				}
-			}
-		}
-		if !systemValid {
-			certPool, err := x509.SystemCertPool()
-			if err != nil {
-				return nil, err
-			}
-			systemPool = certPool
-		}
-	case C.CertificateStoreMozilla:
-		systemPool = mozillaIncluded
-	case C.CertificateStoreNone:
-		systemPool = nil
-	default:
-		return nil, E.New("unknown certificate store: ", options.Store)
-	}
-	store := &Store{
-		systemPool:                systemPool,
-		certificate:               strings.Join(options.Certificate, "\n"),
-		certificatePaths:          options.CertificatePath,
-		certificateDirectoryPaths: options.CertificateDirectoryPath,
-	}
-	var watchPaths []string
-	for _, target := range options.CertificatePath {
-		watchPaths = append(watchPaths, target)
-	}
-	for _, target := range options.CertificateDirectoryPath {
-		watchPaths = append(watchPaths, target)
-	}
-	if len(watchPaths) > 0 {
-		watcher, err := fswatch.NewWatcher(fswatch.Options{
-			Path:   watchPaths,
-			Logger: logger,
-			Callback: func(_ string) {
-				err := store.update()
-				if err != nil {
-					logger.Error(E.Cause(err, "reload certificates"))
-				}
-			},
-		})
-		if err != nil {
-			return nil, E.Cause(err, "fswatch: create fsnotify watcher")
-		}
-		store.watcher = watcher
-	}
-	err := store.update()
-	if err != nil {
-		return nil, E.Cause(err, "initializing certificate store")
-	}
-	return store, nil
-}
-
-func (s *Store) Name() string {
-	return "certificate"
-}
-
-func (s *Store) Start(stage adapter.StartStage) error {
-	if stage != adapter.StartStateStart {
-		return nil
-	}
-	if s.watcher != nil {
-		return s.watcher.Start()
-	}
-	return nil
-}
-
-func (s *Store) Close() error {
-	if s.watcher != nil {
-		return s.watcher.Close()
-	}
-	return nil
-}
-
-func (s *Store) Pool() *x509.CertPool {
-	return s.currentPool
-}
-
-func (s *Store) update() error {
-	var currentPool *x509.CertPool
-	if s.systemPool == nil {
-		currentPool = x509.NewCertPool()
-	} else {
-		currentPool = s.systemPool.Clone()
-	}
-	if s.certificate != "" {
-		if !currentPool.AppendCertsFromPEM([]byte(s.certificate)) {
-			return E.New("invalid certificate PEM strings")
-		}
-	}
-	for _, path := range s.certificatePaths {
-		pemContent, err := os.ReadFile(path)
-		if err != nil {
-			return err
-		}
-		if !currentPool.AppendCertsFromPEM(pemContent) {
-			return E.New("invalid certificate PEM file: ", path)
-		}
-	}
-	var firstErr error
-	for _, directoryPath := range s.certificateDirectoryPaths {
-		directoryEntries, err := readUniqueDirectoryEntries(directoryPath)
-		if err != nil {
-			if firstErr == nil && !os.IsNotExist(err) {
-				firstErr = E.Cause(err, "invalid certificate directory: ", directoryPath)
-			}
-			continue
-		}
-		for _, directoryEntry := range directoryEntries {
-			pemContent, err := os.ReadFile(filepath.Join(directoryPath, directoryEntry.Name()))
-			if err == nil {
-				currentPool.AppendCertsFromPEM(pemContent)
-			}
-		}
-	}
-	if firstErr != nil {
-		return firstErr
-	}
-	s.currentPool = currentPool
-	return nil
-}
-
-func readUniqueDirectoryEntries(dir string) ([]fs.DirEntry, error) {
-	files, err := os.ReadDir(dir)
-	if err != nil {
-		return nil, err
-	}
-	uniq := files[:0]
-	for _, f := range files {
-		if !isSameDirSymlink(f, dir) {
-			uniq = append(uniq, f)
-		}
-	}
-	return uniq, nil
-}
-
-func isSameDirSymlink(f fs.DirEntry, dir string) bool {
-	if f.Type()&fs.ModeSymlink == 0 {
-		return false
-	}
-	target, err := os.Readlink(filepath.Join(dir, f.Name()))
-	return err == nil && !strings.Contains(target, "/")
-}

common/dialer/default.go

@@ -2,24 +2,20 @@ package dialer
 
 import (
 	"context"
-	"errors"
 	"net"
 	"net/netip"
-	"syscall"
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/conntrack"
-	"github.com/sagernet/sing-box/common/listener"
 	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/experimental/libbox/platform"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/atomic"
 	"github.com/sagernet/sing/common/control"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
-	"github.com/sagernet/sing/service"
 )
 
 var (
@@ -35,26 +31,21 @@ type DefaultDialer struct {
 	udpListener          net.ListenConfig
 	udpAddr4             string
 	udpAddr6             string
-	netns                  string
+	isWireGuardListener  bool
 	networkManager       adapter.NetworkManager
-	networkStrategy        *C.NetworkStrategy
-	defaultNetworkStrategy bool
+	networkStrategy      C.NetworkStrategy
 	networkType          []C.InterfaceType
 	fallbackNetworkType  []C.InterfaceType
 	networkFallbackDelay time.Duration
-	networkLastFallback    common.TypedValue[time.Time]
+	networkLastFallback  atomic.TypedValue[time.Time]
 }
 
-func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDialer, error) {
-	networkManager := service.FromContext[adapter.NetworkManager](ctx)
-	platformInterface := service.FromContext[platform.Interface](ctx)
-
+func NewDefault(networkManager adapter.NetworkManager, options option.DialerOptions) (*DefaultDialer, error) {
 	var (
 		dialer               net.Dialer
 		listener             net.ListenConfig
 		interfaceFinder      control.InterfaceFinder
-		networkStrategy        *C.NetworkStrategy
-		defaultNetworkStrategy bool
+		networkStrategy      C.NetworkStrategy
 		networkType          []C.InterfaceType
 		fallbackNetworkType  []C.InterfaceType
 		networkFallbackDelay time.Duration
@@ -65,51 +56,49 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 		interfaceFinder = control.NewDefaultInterfaceFinder()
 	}
 	if options.BindInterface != "" {
-		if !(C.IsLinux || C.IsDarwin || C.IsWindows) {
-			return nil, E.New("`bind_interface` is only supported on Linux, macOS and Windows")
-		}
 		bindFunc := control.BindToInterface(interfaceFinder, options.BindInterface, -1)
 		dialer.Control = control.Append(dialer.Control, bindFunc)
 		listener.Control = control.Append(listener.Control, bindFunc)
 	}
 	if options.RoutingMark > 0 {
-		if !C.IsLinux {
-			return nil, E.New("`routing_mark` is only supported on Linux")
+		dialer.Control = control.Append(dialer.Control, control.RoutingMark(uint32(options.RoutingMark)))
+		listener.Control = control.Append(listener.Control, control.RoutingMark(uint32(options.RoutingMark)))
 	}
-		dialer.Control = control.Append(dialer.Control, setMarkWrapper(networkManager, uint32(options.RoutingMark), false))
-		listener.Control = control.Append(listener.Control, setMarkWrapper(networkManager, uint32(options.RoutingMark), false))
-	}
-	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 {
+		autoRedirectOutputMark := networkManager.AutoRedirectOutputMark()
+		if autoRedirectOutputMark > 0 {
+			if options.RoutingMark > 0 {
+				return nil, E.New("`routing_mark` is conflict with `tun.auto_redirect` with `tun.route_[_exclude]_address_set")
+			}
+			dialer.Control = control.Append(dialer.Control, control.RoutingMark(autoRedirectOutputMark))
+			listener.Control = control.Append(listener.Control, control.RoutingMark(autoRedirectOutputMark))
+		}
+	}
+	if 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`")
+		}
+	}
+	if networkManager != nil && options.BindInterface == "" && options.Inet4BindAddress == nil && options.Inet6BindAddress == nil {
 		defaultOptions := networkManager.DefaultOptions()
+		if options.BindInterface == "" {
 			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() && !disableDefaultBind {
-			if platformInterface != nil {
-				networkStrategy = (*C.NetworkStrategy)(options.NetworkStrategy)
-				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 {
+			} 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 = time.Duration(options.FallbackDelay)
-				if networkFallbackDelay == 0 && defaultOptions.FallbackDelay != 0 {
 					networkFallbackDelay = defaultOptions.FallbackDelay
-				}
-				if networkStrategy == nil {
-					networkStrategy = common.Ptr(C.NetworkStrategyDefault)
-					defaultNetworkStrategy = true
-				}
 					bindFunc := networkManager.ProtectFunc()
 					dialer.Control = control.Append(dialer.Control, bindFunc)
 					listener.Control = control.Append(listener.Control, bindFunc)
@@ -119,16 +108,12 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 					listener.Control = control.Append(listener.Control, bindFunc)
 				}
 			}
+		}
 		if options.RoutingMark == 0 && defaultOptions.RoutingMark != 0 {
-			dialer.Control = control.Append(dialer.Control, setMarkWrapper(networkManager, defaultOptions.RoutingMark, true))
-			listener.Control = control.Append(listener.Control, setMarkWrapper(networkManager, defaultOptions.RoutingMark, true))
+			dialer.Control = control.Append(dialer.Control, control.RoutingMark(defaultOptions.RoutingMark))
+			listener.Control = control.Append(listener.Control, control.RoutingMark(defaultOptions.RoutingMark))
 		}
 	}
-	if networkManager != nil {
-		markFunc := networkManager.AutoRedirectOutputMarkFunc()
-		dialer.Control = control.Append(dialer.Control, markFunc)
-		listener.Control = control.Append(listener.Control, markFunc)
-	}
 	if options.ReuseAddr {
 		listener.Control = control.Append(listener.Control, control.ReuseAddr())
 	}
@@ -182,6 +167,14 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 		}
 		setMultiPathTCP(&dialer4)
 	}
+	if options.IsWireGuardListener {
+		for _, controlFn := range WgControlFns {
+			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
@@ -198,74 +191,44 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 		udpListener:          listener,
 		udpAddr4:             udpAddr4,
 		udpAddr6:             udpAddr6,
-		netns:                  options.NetNs,
+		isWireGuardListener:  options.IsWireGuardListener,
 		networkManager:       networkManager,
 		networkStrategy:      networkStrategy,
-		defaultNetworkStrategy: defaultNetworkStrategy,
 		networkType:          networkType,
 		fallbackNetworkType:  fallbackNetworkType,
 		networkFallbackDelay: networkFallbackDelay,
 	}, nil
 }
 
-func setMarkWrapper(networkManager adapter.NetworkManager, mark uint32, isDefault bool) control.Func {
-	if networkManager == nil {
-		return control.RoutingMark(mark)
-	}
-	return func(network, address string, conn syscall.RawConn) error {
-		if networkManager.AutoRedirectOutputMark() != 0 {
-			if isDefault {
-				return E.New("`route.default_mark` is conflict with `tun.auto_redirect`")
-			} else {
-				return E.New("`routing_mark` is conflict with `tun.auto_redirect`")
-			}
-		}
-		return control.RoutingMark(mark)(network, address, conn)
-	}
-}
-
 func (d *DefaultDialer) DialContext(ctx context.Context, network string, address M.Socksaddr) (net.Conn, error) {
 	if !address.IsValid() {
 		return nil, E.New("invalid address")
-	} else if address.IsFqdn() {
-		return nil, E.New("domain not resolved")
 	}
-	if d.networkStrategy == nil {
-		return trackConn(listener.ListenNetworkNamespace[net.Conn](d.netns, func() (net.Conn, error) {
+	if d.networkStrategy == C.NetworkStrategyDefault {
 		switch N.NetworkName(network) {
 		case N.NetworkUDP:
 			if !address.IsIPv6() {
-					return d.udpDialer4.DialContext(ctx, network, address.String())
+				return trackConn(d.udpDialer4.DialContext(ctx, network, address.String()))
 			} else {
-					return d.udpDialer6.DialContext(ctx, network, address.String())
+				return trackConn(d.udpDialer6.DialContext(ctx, network, address.String()))
 			}
 		}
 		if !address.IsIPv6() {
-				return DialSlowContext(&d.dialer4, ctx, network, address)
+			return trackConn(DialSlowContext(&d.dialer4, ctx, network, address))
 		} else {
-				return DialSlowContext(&d.dialer6, ctx, network, address)
+			return trackConn(DialSlowContext(&d.dialer6, ctx, network, address))
 		}
-		}))
 	} else {
 		return d.DialParallelInterface(ctx, network, address, d.networkStrategy, d.networkType, d.fallbackNetworkType, d.networkFallbackDelay)
 	}
 }
 
-func (d *DefaultDialer) DialParallelInterface(ctx context.Context, network string, address M.Socksaddr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.Conn, error) {
-	if strategy == nil {
-		strategy = d.networkStrategy
-	}
-	if strategy == nil {
+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 {
 		return d.DialContext(ctx, network, address)
 	}
-	if len(interfaceType) == 0 {
-		interfaceType = d.networkType
-	}
-	if len(fallbackInterfaceType) == 0 {
-		fallbackInterfaceType = d.fallbackNetworkType
-	}
-	if fallbackDelay == 0 {
-		fallbackDelay = d.networkFallbackDelay
+	if !d.networkManager.AutoDetectInterface() {
+		return nil, E.New("`route.auto_detect_interface` is require by `network_strategy`")
 	}
 	var dialer net.Dialer
 	if N.NetworkName(network) == N.NetworkTCP {
@@ -273,26 +236,20 @@ func (d *DefaultDialer) DialParallelInterface(ctx context.Context, network strin
 	} else {
 		dialer = d.udpDialer4
 	}
-	fastFallback := time.Since(d.networkLastFallback.Load()) < C.TCPTimeout
+	fastFallback := time.Now().Sub(d.networkLastFallback.Load()) < C.TCPTimeout
 	var (
 		conn      net.Conn
 		isPrimary bool
 		err       error
 	)
 	if !fastFallback {
-		conn, isPrimary, err = d.dialParallelInterface(ctx, dialer, network, address.String(), *strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+		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 {
-		// 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())
 	}
@@ -300,74 +257,35 @@ 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 == nil {
-		return trackPacketConn(listener.ListenNetworkNamespace[net.PacketConn](d.netns, func() (net.PacketConn, error) {
+	if d.networkStrategy == C.NetworkStrategyDefault {
 		if destination.IsIPv6() {
-				return d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr6)
+			return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr6))
 		} else if destination.IsIPv4() && !destination.Addr.IsUnspecified() {
-				return d.udpListener.ListenPacket(ctx, N.NetworkUDP+"4", d.udpAddr4)
+			return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP+"4", d.udpAddr4))
 		} else {
-				return d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr4)
+			return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr4))
 		}
-		}))
 	} else {
 		return d.ListenSerialInterfacePacket(ctx, destination, d.networkStrategy, d.networkType, d.fallbackNetworkType, d.networkFallbackDelay)
 	}
 }
 
-func (d *DefaultDialer) DialerForICMPDestination(destination netip.Addr) net.Dialer {
-	if !destination.Is6() {
-		return dialerFromTCPDialer(d.dialer6)
-	} else {
-		return dialerFromTCPDialer(d.dialer4)
-	}
-}
-
-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 {
+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 {
 		return d.ListenPacket(ctx, destination)
 	}
-	if len(interfaceType) == 0 {
-		interfaceType = d.networkType
-	}
-	if len(fallbackInterfaceType) == 0 {
-		fallbackInterfaceType = d.fallbackNetworkType
-	}
-	if fallbackDelay == 0 {
-		fallbackDelay = d.networkFallbackDelay
+	if !d.networkManager.AutoDetectInterface() {
+		return nil, E.New("`route.auto_detect_interface` is require by `network_strategy`")
 	}
 	network := N.NetworkUDP
 	if destination.IsIPv4() && !destination.Addr.IsUnspecified() {
 		network += "4"
 	}
-	packetConn, err := d.listenSerialInterfacePacket(ctx, d.udpListener, network, "", *strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
-	if err != nil {
-		// bind interface failed on legacy xiaomi systems
-		if d.defaultNetworkStrategy && errors.Is(err, syscall.EPERM) {
-			d.networkStrategy = nil
-			return d.ListenPacket(ctx, destination)
-		} else {
-			return nil, err
-		}
-	}
-	return trackPacketConn(packetConn, nil)
+	return trackPacketConn(d.listenSerialInterfacePacket(ctx, d.udpListener, network, "", strategy, interfaceType, fallbackInterfaceType, fallbackDelay))
 }
 
 func (d *DefaultDialer) ListenPacketCompat(network, address string) (net.PacketConn, error) {
-	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)
+	return d.udpListener.ListenPacket(context.Background(), network, address)
 }
 
 func trackConn(conn net.Conn, err error) (net.Conn, error) {

common/dialer/default_parallel_interface.go

@@ -18,7 +18,6 @@ func (d *DefaultDialer) dialParallelInterface(ctx context.Context, dialer net.Di
 	if len(primaryInterfaces)+len(fallbackInterfaces) == 0 {
 		return nil, false, E.New("no available network interface")
 	}
-	defaultInterface := d.networkManager.InterfaceMonitor().DefaultInterface()
 	if fallbackDelay == 0 {
 		fallbackDelay = N.DefaultFallbackDelay
 	}
@@ -32,18 +31,16 @@ func (d *DefaultDialer) dialParallelInterface(ctx context.Context, dialer net.Di
 	results := make(chan dialResult) // unbuffered
 	startRacer := func(ctx context.Context, primary bool, iif adapter.NetworkInterface) {
 		perNetDialer := dialer
-		if defaultInterface == nil || iif.Index != defaultInterface.Index {
 		perNetDialer.Control = control.Append(perNetDialer.Control, control.BindToInterface(nil, iif.Name, iif.Index))
-		}
 		conn, err := perNetDialer.DialContext(ctx, network, addr)
 		if err != nil {
 			select {
-			case results <- dialResult{error: E.Cause(err, "dial ", iif.Name, " (", iif.Index, ")"), primary: primary}:
+			case results <- dialResult{error: E.Cause(err, "dial ", iif.Name, " (", iif.Name, ")"), primary: primary}:
 			case <-returned:
 			}
 		} else {
 			select {
-			case results <- dialResult{Conn: conn, primary: primary}:
+			case results <- dialResult{Conn: conn}:
 			case <-returned:
 				conn.Close()
 			}
@@ -92,7 +89,6 @@ func (d *DefaultDialer) dialParallelInterfaceFastFallback(ctx context.Context, d
 	if len(primaryInterfaces)+len(fallbackInterfaces) == 0 {
 		return nil, false, E.New("no available network interface")
 	}
-	defaultInterface := d.networkManager.InterfaceMonitor().DefaultInterface()
 	if fallbackDelay == 0 {
 		fallbackDelay = N.DefaultFallbackDelay
 	}
@@ -107,18 +103,16 @@ func (d *DefaultDialer) dialParallelInterfaceFastFallback(ctx context.Context, d
 	results := make(chan dialResult) // unbuffered
 	startRacer := func(ctx context.Context, primary bool, iif adapter.NetworkInterface) {
 		perNetDialer := dialer
-		if defaultInterface == nil || iif.Index != defaultInterface.Index {
 		perNetDialer.Control = control.Append(perNetDialer.Control, control.BindToInterface(nil, iif.Name, iif.Index))
-		}
 		conn, err := perNetDialer.DialContext(ctx, network, addr)
 		if err != nil {
 			select {
-			case results <- dialResult{error: E.Cause(err, "dial ", iif.Name, " (", iif.Index, ")"), primary: primary}:
+			case results <- dialResult{error: E.Cause(err, "dial ", iif.Name, " (", iif.Name, ")"), primary: primary}:
 			case <-returned:
 			}
 		} else {
 			select {
-			case results <- dialResult{Conn: conn, primary: primary}:
+			case results <- dialResult{Conn: conn}:
 			case <-returned:
 				if primary && time.Since(startAt) <= fallbackDelay {
 					resetFastFallback(time.Time{})
@@ -155,29 +149,24 @@ func (d *DefaultDialer) listenSerialInterfacePacket(ctx context.Context, listene
 	if len(primaryInterfaces)+len(fallbackInterfaces) == 0 {
 		return nil, E.New("no available network interface")
 	}
-	defaultInterface := d.networkManager.InterfaceMonitor().DefaultInterface()
 	var errors []error
 	for _, primaryInterface := range primaryInterfaces {
 		perNetListener := listener
-		if defaultInterface == nil || primaryInterface.Index != defaultInterface.Index {
 		perNetListener.Control = control.Append(perNetListener.Control, control.BindToInterface(nil, primaryInterface.Name, primaryInterface.Index))
-		}
 		conn, err := perNetListener.ListenPacket(ctx, network, addr)
 		if err == nil {
 			return conn, nil
 		}
-		errors = append(errors, E.Cause(err, "listen ", primaryInterface.Name, " (", primaryInterface.Index, ")"))
+		errors = append(errors, E.Cause(err, "listen ", primaryInterface.Name, " (", primaryInterface.Name, ")"))
 	}
 	for _, fallbackInterface := range fallbackInterfaces {
 		perNetListener := listener
-		if defaultInterface == nil || fallbackInterface.Index != defaultInterface.Index {
 		perNetListener.Control = control.Append(perNetListener.Control, control.BindToInterface(nil, fallbackInterface.Name, fallbackInterface.Index))
-		}
 		conn, err := perNetListener.ListenPacket(ctx, network, addr)
 		if err == nil {
 			return conn, nil
 		}
-		errors = append(errors, E.Cause(err, "listen ", fallbackInterface.Name, " (", fallbackInterface.Index, ")"))
+		errors = append(errors, E.Cause(err, "listen ", fallbackInterface.Name, " (", fallbackInterface.Name, ")"))
 	}
 	return nil, E.Errors(errors...)
 }
@@ -188,57 +177,44 @@ func selectInterfaces(networkManager adapter.NetworkManager, strategy C.NetworkS
 	case C.NetworkStrategyDefault:
 		if len(interfaceType) == 0 {
 			defaultIf := networkManager.InterfaceMonitor().DefaultInterface()
-			if defaultIf != nil {
 			for _, iif := range interfaces {
 				if iif.Index == defaultIf.Index {
 					primaryInterfaces = append(primaryInterfaces, iif)
+				} else {
+					fallbackInterfaces = append(fallbackInterfaces, iif)
 				}
 			}
 		} else {
-				primaryInterfaces = interfaces
-			}
-		} else {
-			primaryInterfaces = common.Filter(interfaces, func(it adapter.NetworkInterface) bool {
-				return common.Contains(interfaceType, it.Type)
+			primaryInterfaces = common.Filter(interfaces, func(iif adapter.NetworkInterface) bool {
+				return common.Contains(interfaceType, iif.Type)
 			})
 		}
 	case C.NetworkStrategyHybrid:
 		if len(interfaceType) == 0 {
 			primaryInterfaces = interfaces
 		} else {
-			primaryInterfaces = common.Filter(interfaces, func(it adapter.NetworkInterface) bool {
-				return common.Contains(interfaceType, it.Type)
+			primaryInterfaces = common.Filter(interfaces, func(iif adapter.NetworkInterface) bool {
+				return common.Contains(interfaceType, iif.Type)
 			})
 		}
 	case C.NetworkStrategyFallback:
 		if len(interfaceType) == 0 {
 			defaultIf := networkManager.InterfaceMonitor().DefaultInterface()
-			if defaultIf != nil {
 			for _, iif := range interfaces {
 				if iif.Index == defaultIf.Index {
 					primaryInterfaces = append(primaryInterfaces, iif)
-						break
+				} else {
+					fallbackInterfaces = append(fallbackInterfaces, iif)
 				}
 			}
 		} else {
-				primaryInterfaces = interfaces
-			}
-		} else {
-			primaryInterfaces = common.Filter(interfaces, func(it adapter.NetworkInterface) bool {
-				return common.Contains(interfaceType, it.Type)
+			primaryInterfaces = common.Filter(interfaces, func(iif adapter.NetworkInterface) bool {
+				return common.Contains(interfaceType, iif.Type)
 			})
 		}
-		if len(fallbackInterfaceType) == 0 {
-			fallbackInterfaces = common.Filter(interfaces, func(it adapter.NetworkInterface) bool {
-				return !common.Any(primaryInterfaces, func(iif adapter.NetworkInterface) bool {
-					return it.Index == iif.Index
-				})
-			})
-		} else {
 		fallbackInterfaces = common.Filter(interfaces, func(iif adapter.NetworkInterface) bool {
 			return common.Contains(fallbackInterfaceType, iif.Type)
 		})
 	}
-	}
 	return primaryInterfaces, fallbackInterfaces
 }

common/dialer/default_parallel_network.go

@@ -13,13 +13,7 @@ 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) {
-	if len(destinationAddresses) == 0 {
-		if !destination.IsIP() {
-			panic("invalid usage")
-		}
-		destinationAddresses = []netip.Addr{destination.Addr}
-	}
+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 parallelDialer, isParallel := dialer.(ParallelNetworkDialer); isParallel {
 		return parallelDialer.DialParallelNetwork(ctx, network, destination, destinationAddresses, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
 	}
@@ -44,14 +38,7 @@ 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) {
-	if len(destinationAddresses) == 0 {
-		if !destination.IsIP() {
-			panic("invalid usage")
-		}
-		destinationAddresses = []netip.Addr{destination.Addr}
-	}
-
+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 fallbackDelay == 0 {
 		fallbackDelay = N.DefaultFallbackDelay
 	}
@@ -129,13 +116,7 @@ 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) {
-	if len(destinationAddresses) == 0 {
-		if !destination.IsIP() {
-			panic("invalid usage")
-		}
-		destinationAddresses = []netip.Addr{destination.Addr}
-	}
+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 parallelDialer, isParallel := dialer.(ParallelNetworkDialer); isParallel {
 		return parallelDialer.ListenSerialNetworkPacket(ctx, destination, destinationAddresses, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
 	}

common/dialer/detour.go

@@ -6,61 +6,37 @@ import (
 	"sync"
 
 	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 )
 
-type DirectDialer interface {
-	IsEmpty() bool
-}
-
 type DetourDialer struct {
 	outboundManager adapter.OutboundManager
 	detour          string
-	legacyDNSDialer bool
 	dialer          N.Dialer
 	initOnce        sync.Once
 	initErr         error
 }
 
-func NewDetour(outboundManager adapter.OutboundManager, detour string, legacyDNSDialer bool) N.Dialer {
-	return &DetourDialer{
-		outboundManager: outboundManager,
-		detour:          detour,
-		legacyDNSDialer: legacyDNSDialer,
-	}
+func NewDetour(outboundManager adapter.OutboundManager, detour string) N.Dialer {
+	return &DetourDialer{outboundManager: outboundManager, detour: detour}
 }
 
-func InitializeDetour(dialer N.Dialer) error {
-	detourDialer, isDetour := common.Cast[*DetourDialer](dialer)
-	if !isDetour {
-		return nil
-	}
-	return common.Error(detourDialer.Dialer())
+func (d *DetourDialer) Start() error {
+	_, err := d.Dialer()
+	return err
 }
 
 func (d *DetourDialer) Dialer() (N.Dialer, error) {
-	d.initOnce.Do(d.init)
-	return d.dialer, d.initErr
-}
-
-func (d *DetourDialer) init() {
-	dialer, loaded := d.outboundManager.Outbound(d.detour)
+	d.initOnce.Do(func() {
+		var loaded bool
+		d.dialer, loaded = d.outboundManager.Outbound(d.detour)
 		if !loaded {
 			d.initErr = E.New("outbound detour not found: ", d.detour)
-		return
 		}
-	if !d.legacyDNSDialer {
-		if directDialer, isDirect := dialer.(DirectDialer); isDirect {
-			if directDialer.IsEmpty() {
-				d.initErr = E.New("detour to an empty direct outbound makes no sense")
-				return
-			}
-		}
-	}
-	d.dialer = dialer
+	})
+	return d.dialer, d.initErr
 }
 
 func (d *DetourDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {

common/dialer/dialer.go

@@ -8,140 +8,80 @@ import (
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/experimental/deprecated"
 	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing-dns"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/service"
 )
 
-type Options struct {
-	Context          context.Context
-	Options          option.DialerOptions
-	RemoteIsDomain   bool
-	DirectResolver   bool
-	ResolverOnDetour bool
-	NewDialer        bool
-	LegacyDNSDialer  bool
-	DirectOutbound   bool
-}
-
-// TODO: merge with NewWithOptions
-func New(ctx context.Context, options option.DialerOptions, remoteIsDomain bool) (N.Dialer, error) {
-	return NewWithOptions(Options{
-		Context:        ctx,
-		Options:        options,
-		RemoteIsDomain: remoteIsDomain,
-	})
-}
-
-func NewWithOptions(options Options) (N.Dialer, error) {
-	dialOptions := options.Options
+func New(ctx context.Context, options option.DialerOptions) (N.Dialer, error) {
+	networkManager := service.FromContext[adapter.NetworkManager](ctx)
+	if options.IsWireGuardListener {
+		return NewDefault(networkManager, options)
+	}
 	var (
 		dialer N.Dialer
 		err    error
 	)
-	if dialOptions.Detour != "" {
-		outboundManager := service.FromContext[adapter.OutboundManager](options.Context)
-		if outboundManager == nil {
-			return nil, E.New("missing outbound manager")
-		}
-		dialer = NewDetour(outboundManager, dialOptions.Detour, options.LegacyDNSDialer)
-	} else {
-		dialer, err = NewDefault(options.Context, dialOptions)
+	if options.Detour == "" {
+		dialer, err = NewDefault(networkManager, options)
 		if err != nil {
 			return nil, err
 		}
-	}
-	if options.RemoteIsDomain && (dialOptions.Detour == "" || options.ResolverOnDetour || dialOptions.DomainResolver != nil && dialOptions.DomainResolver.Server != "") {
-		networkManager := service.FromContext[adapter.NetworkManager](options.Context)
-		dnsTransport := service.FromContext[adapter.DNSTransportManager](options.Context)
-		var defaultOptions adapter.NetworkOptions
-		if networkManager != nil {
-			defaultOptions = networkManager.DefaultOptions()
-		}
-		var (
-			server               string
-			dnsQueryOptions      adapter.DNSQueryOptions
-			resolveFallbackDelay time.Duration
-		)
-		if dialOptions.DomainResolver != nil && dialOptions.DomainResolver.Server != "" {
-			var transport adapter.DNSTransport
-			if !options.DirectResolver {
-				var loaded bool
-				transport, loaded = dnsTransport.Transport(dialOptions.DomainResolver.Server)
-				if !loaded {
-					return nil, E.New("domain resolver not found: " + dialOptions.DomainResolver.Server)
-				}
-			}
-			var strategy C.DomainStrategy
-			if dialOptions.DomainResolver.Strategy != option.DomainStrategy(C.DomainStrategyAsIS) {
-				strategy = C.DomainStrategy(dialOptions.DomainResolver.Strategy)
-			} else if
-			//nolint:staticcheck
-			dialOptions.DomainStrategy != option.DomainStrategy(C.DomainStrategyAsIS) {
-				//nolint:staticcheck
-				strategy = C.DomainStrategy(dialOptions.DomainStrategy)
-				deprecated.Report(options.Context, deprecated.OptionLegacyDomainStrategyOptions)
-			}
-			server = dialOptions.DomainResolver.Server
-			dnsQueryOptions = adapter.DNSQueryOptions{
-				Transport:    transport,
-				Strategy:     strategy,
-				DisableCache: dialOptions.DomainResolver.DisableCache,
-				RewriteTTL:   dialOptions.DomainResolver.RewriteTTL,
-				ClientSubnet: dialOptions.DomainResolver.ClientSubnet.Build(netip.Prefix{}),
-			}
-			resolveFallbackDelay = time.Duration(dialOptions.FallbackDelay)
-		} else if options.DirectResolver {
-			return nil, E.New("missing domain resolver for domain server address")
 	} else {
-			if defaultOptions.DomainResolver != "" {
-				dnsQueryOptions = defaultOptions.DomainResolveOptions
-				transport, loaded := dnsTransport.Transport(defaultOptions.DomainResolver)
-				if !loaded {
-					return nil, E.New("default domain resolver not found: " + defaultOptions.DomainResolver)
+		outboundManager := service.FromContext[adapter.OutboundManager](ctx)
+		if outboundManager == nil {
+			return nil, E.New("missing outbound manager")
 		}
-				dnsQueryOptions.Transport = transport
-				resolveFallbackDelay = time.Duration(dialOptions.FallbackDelay)
-			} else {
-				transports := dnsTransport.Transports()
-				if len(transports) < 2 {
-					dnsQueryOptions.Transport = dnsTransport.Default()
-				} else if options.NewDialer {
-					return nil, E.New("missing domain resolver for domain server address")
-				} else {
-					deprecated.Report(options.Context, deprecated.OptionMissingDomainResolver)
-				}
-			}
-			if
-			//nolint:staticcheck
-			dialOptions.DomainStrategy != option.DomainStrategy(C.DomainStrategyAsIS) {
-				//nolint:staticcheck
-				dnsQueryOptions.Strategy = C.DomainStrategy(dialOptions.DomainStrategy)
-				deprecated.Report(options.Context, deprecated.OptionLegacyDomainStrategyOptions)
+		dialer = NewDetour(outboundManager, options.Detour)
 	}
+	if networkManager == nil {
+		return NewDefault(networkManager, options)
 	}
+	if options.Detour == "" {
+		router := service.FromContext[adapter.Router](ctx)
+		if router != nil {
 			dialer = NewResolveDialer(
-			options.Context,
+				router,
 				dialer,
-			dialOptions.Detour == "" && !dialOptions.TCPFastOpen,
-			server,
-			dnsQueryOptions,
-			resolveFallbackDelay,
-		)
+				options.Detour == "" && !options.TCPFastOpen,
+				dns.DomainStrategy(options.DomainStrategy),
+				time.Duration(options.FallbackDelay))
+		}
 	}
 	return dialer, nil
 }
 
+func NewDirect(ctx context.Context, options option.DialerOptions) (ParallelInterfaceDialer, error) {
+	if options.Detour != "" {
+		return nil, E.New("`detour` is not supported in direct context")
+	}
+	networkManager := service.FromContext[adapter.NetworkManager](ctx)
+	if options.IsWireGuardListener {
+		return NewDefault(networkManager, options)
+	}
+	dialer, err := NewDefault(networkManager, options)
+	if err != nil {
+		return nil, err
+	}
+	return NewResolveParallelInterfaceDialer(
+		service.FromContext[adapter.Router](ctx),
+		dialer,
+		true,
+		dns.DomainStrategy(options.DomainStrategy),
+		time.Duration(options.FallbackDelay),
+	), nil
+}
+
 type ParallelInterfaceDialer interface {
 	N.Dialer
-	DialParallelInterface(ctx context.Context, network string, destination M.Socksaddr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.Conn, error)
-	ListenSerialInterfacePacket(ctx context.Context, destination M.Socksaddr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.PacketConn, error)
+	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

@@ -3,17 +3,16 @@ package dialer
 import (
 	"context"
 	"net"
-	"sync"
+	"net/netip"
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-dns"
 	"github.com/sagernet/sing/common/bufio"
-	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 (
@@ -21,51 +20,21 @@ var (
 	_ ParallelInterfaceDialer = (*resolveParallelNetworkDialer)(nil)
 )
 
-type ResolveDialer interface {
-	N.Dialer
-	QueryOptions() adapter.DNSQueryOptions
-}
-
-type ParallelInterfaceResolveDialer interface {
-	ParallelInterfaceDialer
-	QueryOptions() adapter.DNSQueryOptions
-}
-
 type resolveDialer struct {
-	transport     adapter.DNSTransportManager
-	router        adapter.DNSRouter
 	dialer        N.Dialer
 	parallel      bool
-	server        string
-	initOnce      sync.Once
-	initErr       error
-	queryOptions  adapter.DNSQueryOptions
+	router        adapter.Router
+	strategy      dns.DomainStrategy
 	fallbackDelay time.Duration
 }
 
-func NewResolveDialer(ctx context.Context, dialer N.Dialer, parallel bool, server string, queryOptions adapter.DNSQueryOptions, fallbackDelay time.Duration) ResolveDialer {
-	if parallelDialer, isParallel := dialer.(ParallelInterfaceDialer); isParallel {
-		return &resolveParallelNetworkDialer{
-			resolveDialer{
-				transport:     service.FromContext[adapter.DNSTransportManager](ctx),
-				router:        service.FromContext[adapter.DNSRouter](ctx),
-				dialer:        dialer,
-				parallel:      parallel,
-				server:        server,
-				queryOptions:  queryOptions,
-				fallbackDelay: fallbackDelay,
-			},
-			parallelDialer,
-		}
-	}
+func NewResolveDialer(router adapter.Router, dialer N.Dialer, parallel bool, strategy dns.DomainStrategy, fallbackDelay time.Duration) N.Dialer {
 	return &resolveDialer{
-		transport:     service.FromContext[adapter.DNSTransportManager](ctx),
-		router:        service.FromContext[adapter.DNSRouter](ctx),
-		dialer:        dialer,
-		parallel:      parallel,
-		server:        server,
-		queryOptions:  queryOptions,
-		fallbackDelay: fallbackDelay,
+		dialer,
+		parallel,
+		router,
+		strategy,
+		fallbackDelay,
 	}
 }
 
@@ -74,53 +43,59 @@ type resolveParallelNetworkDialer struct {
 	dialer ParallelInterfaceDialer
 }
 
-func (d *resolveDialer) initialize() error {
-	d.initOnce.Do(d.initServer)
-	return d.initErr
-}
-
-func (d *resolveDialer) initServer() {
-	if d.server == "" {
-		return
+func NewResolveParallelInterfaceDialer(router adapter.Router, dialer ParallelInterfaceDialer, parallel bool, strategy dns.DomainStrategy, fallbackDelay time.Duration) ParallelInterfaceDialer {
+	return &resolveParallelNetworkDialer{
+		resolveDialer{
+			dialer,
+			parallel,
+			router,
+			strategy,
+			fallbackDelay,
+		},
+		dialer,
 	}
-	transport, loaded := d.transport.Transport(d.server)
-	if !loaded {
-		d.initErr = E.New("domain resolver not found: " + d.server)
-		return
-	}
-	d.queryOptions.Transport = transport
 }
 
 func (d *resolveDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
-	err := d.initialize()
-	if err != nil {
-		return nil, err
-	}
 	if !destination.IsFqdn() {
 		return d.dialer.DialContext(ctx, network, destination)
 	}
+	ctx, metadata := adapter.ExtendContext(ctx)
 	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
-	addresses, err := d.router.Lookup(ctx, destination.Fqdn, d.queryOptions)
+	metadata.Destination = destination
+	metadata.Domain = ""
+	var addresses []netip.Addr
+	var err error
+	if d.strategy == dns.DomainStrategyAsIS {
+		addresses, err = d.router.LookupDefault(ctx, destination.Fqdn)
+	} else {
+		addresses, err = d.router.Lookup(ctx, destination.Fqdn, d.strategy)
+	}
 	if err != nil {
 		return nil, err
 	}
 	if d.parallel {
-		return N.DialParallel(ctx, d.dialer, network, destination, addresses, d.queryOptions.Strategy == C.DomainStrategyPreferIPv6, d.fallbackDelay)
+		return N.DialParallel(ctx, d.dialer, network, destination, addresses, d.strategy == dns.DomainStrategyPreferIPv6, d.fallbackDelay)
 	} else {
 		return N.DialSerial(ctx, d.dialer, network, destination, addresses)
 	}
 }
 
 func (d *resolveDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	err := d.initialize()
-	if err != nil {
-		return nil, err
-	}
 	if !destination.IsFqdn() {
 		return d.dialer.ListenPacket(ctx, destination)
 	}
+	ctx, metadata := adapter.ExtendContext(ctx)
 	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
-	addresses, err := d.router.Lookup(ctx, destination.Fqdn, d.queryOptions)
+	metadata.Destination = destination
+	metadata.Domain = ""
+	var addresses []netip.Addr
+	var err error
+	if d.strategy == dns.DomainStrategyAsIS {
+		addresses, err = d.router.LookupDefault(ctx, destination.Fqdn)
+	} else {
+		addresses, err = d.router.Lookup(ctx, destination.Fqdn, d.strategy)
+	}
 	if err != nil {
 		return nil, err
 	}
@@ -131,24 +106,21 @@ func (d *resolveDialer) ListenPacket(ctx context.Context, destination M.Socksadd
 	return bufio.NewNATPacketConn(bufio.NewPacketConn(conn), M.SocksaddrFrom(destinationAddress, destination.Port), destination), nil
 }
 
-func (d *resolveDialer) QueryOptions() adapter.DNSQueryOptions {
-	return d.queryOptions
-}
-
-func (d *resolveDialer) Upstream() any {
-	return d.dialer
-}
-
-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) {
-	err := d.initialize()
-	if err != nil {
-		return nil, err
-	}
+func (d *resolveParallelNetworkDialer) DialParallelInterface(ctx context.Context, network string, destination M.Socksaddr, strategy C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.Conn, error) {
 	if !destination.IsFqdn() {
 		return d.dialer.DialContext(ctx, network, destination)
 	}
+	ctx, metadata := adapter.ExtendContext(ctx)
 	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
-	addresses, err := d.router.Lookup(ctx, destination.Fqdn, d.queryOptions)
+	metadata.Destination = destination
+	metadata.Domain = ""
+	var addresses []netip.Addr
+	var err error
+	if d.strategy == dns.DomainStrategyAsIS {
+		addresses, err = d.router.LookupDefault(ctx, destination.Fqdn)
+	} else {
+		addresses, err = d.router.Lookup(ctx, destination.Fqdn, d.strategy)
+	}
 	if err != nil {
 		return nil, err
 	}
@@ -156,28 +128,30 @@ func (d *resolveParallelNetworkDialer) DialParallelInterface(ctx context.Context
 		fallbackDelay = d.fallbackDelay
 	}
 	if d.parallel {
-		return DialParallelNetwork(ctx, d.dialer, network, destination, addresses, d.queryOptions.Strategy == C.DomainStrategyPreferIPv6, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
+		return DialParallelNetwork(ctx, d.dialer, network, destination, addresses, d.strategy == dns.DomainStrategyPreferIPv6, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
 	} else {
 		return DialSerialNetwork(ctx, d.dialer, network, destination, addresses, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
 	}
 }
 
-func (d *resolveParallelNetworkDialer) ListenSerialInterfacePacket(ctx context.Context, destination M.Socksaddr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.PacketConn, error) {
-	err := d.initialize()
-	if err != nil {
-		return nil, err
-	}
+func (d *resolveParallelNetworkDialer) ListenSerialInterfacePacket(ctx context.Context, destination M.Socksaddr, strategy C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.PacketConn, error) {
 	if !destination.IsFqdn() {
 		return d.dialer.ListenPacket(ctx, destination)
 	}
+	ctx, metadata := adapter.ExtendContext(ctx)
 	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
-	addresses, err := d.router.Lookup(ctx, destination.Fqdn, d.queryOptions)
+	metadata.Destination = destination
+	metadata.Domain = ""
+	var addresses []netip.Addr
+	var err error
+	if d.strategy == dns.DomainStrategyAsIS {
+		addresses, err = d.router.LookupDefault(ctx, destination.Fqdn)
+	} else {
+		addresses, err = d.router.Lookup(ctx, destination.Fqdn, d.strategy)
+	}
 	if err != nil {
 		return nil, err
 	}
-	if fallbackDelay == 0 {
-		fallbackDelay = d.fallbackDelay
-	}
 	conn, destinationAddress, err := ListenSerialNetworkPacket(ctx, d.dialer, destination, addresses, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
 	if err != nil {
 		return nil, err
@@ -185,10 +159,6 @@ func (d *resolveParallelNetworkDialer) ListenSerialInterfacePacket(ctx context.C
 	return bufio.NewNATPacketConn(bufio.NewPacketConn(conn), M.SocksaddrFrom(destinationAddress, destination.Port), destination), nil
 }
 
-func (d *resolveParallelNetworkDialer) QueryOptions() adapter.DNSQueryOptions {
-	return d.queryOptions
-}
-
-func (d *resolveParallelNetworkDialer) Upstream() any {
+func (d *resolveDialer) Upstream() any {
 	return d.dialer
 }

common/dialer/router.go

@@ -7,27 +7,24 @@ import (
 	"github.com/sagernet/sing-box/adapter"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
-	"github.com/sagernet/sing/service"
 )
 
 type DefaultOutboundDialer struct {
-	outbound adapter.OutboundManager
+	outboundManager adapter.OutboundManager
 }
 
-func NewDefaultOutbound(ctx context.Context) N.Dialer {
-	return &DefaultOutboundDialer{
-		outbound: service.FromContext[adapter.OutboundManager](ctx),
-	}
+func NewDefaultOutbound(outboundManager adapter.OutboundManager) N.Dialer {
+	return &DefaultOutboundDialer{outboundManager: outboundManager}
 }
 
 func (d *DefaultOutboundDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
-	return d.outbound.Default().DialContext(ctx, network, destination)
+	return d.outboundManager.Default().DialContext(ctx, network, destination)
 }
 
 func (d *DefaultOutboundDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	return d.outbound.Default().ListenPacket(ctx, destination)
+	return d.outboundManager.Default().ListenPacket(ctx, destination)
 }
 
 func (d *DefaultOutboundDialer) Upstream() any {
-	return d.outbound.Default()
+	return d.outboundManager.Default()
 }

common/dialer/tfo.go

@@ -8,11 +8,11 @@ import (
 	"net"
 	"os"
 	"sync"
-	"sync/atomic"
 	"time"
 
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/bufio"
+	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 
@@ -24,11 +24,9 @@ type slowOpenConn struct {
 	ctx         context.Context
 	network     string
 	destination M.Socksaddr
-	conn        atomic.Pointer[net.TCPConn]
+	conn        net.Conn
 	create      chan struct{}
-	done        chan struct{}
 	access      sync.Mutex
-	closeOnce   sync.Once
 	err         error
 }
 
@@ -47,30 +45,26 @@ func DialSlowContext(dialer *tcpDialer, ctx context.Context, network string, des
 		network:     network,
 		destination: destination,
 		create:      make(chan struct{}),
-		done:        make(chan struct{}),
 	}, nil
 }
 
 func (c *slowOpenConn) Read(b []byte) (n int, err error) {
-	conn := c.conn.Load()
-	if conn != nil {
-		return conn.Read(b)
-	}
+	if c.conn == nil {
 		select {
 		case <-c.create:
 			if c.err != nil {
 				return 0, c.err
 			}
-		return c.conn.Load().Read(b)
-	case <-c.done:
-		return 0, os.ErrClosed
+		case <-c.ctx.Done():
+			return 0, c.ctx.Err()
 		}
+	}
+	return c.conn.Read(b)
 }
 
 func (c *slowOpenConn) Write(b []byte) (n int, err error) {
-	tcpConn := c.conn.Load()
-	if tcpConn != nil {
-		return tcpConn.Write(b)
+	if c.conn != nil {
+		return c.conn.Write(b)
 	}
 	c.access.Lock()
 	defer c.access.Unlock()
@@ -79,16 +73,13 @@ func (c *slowOpenConn) Write(b []byte) (n int, err error) {
 		if c.err != nil {
 			return 0, c.err
 		}
-		return c.conn.Load().Write(b)
-	case <-c.done:
-		return 0, os.ErrClosed
+		return c.conn.Write(b)
 	default:
 	}
-	conn, err := c.dialer.DialContext(c.ctx, c.network, c.destination.String(), b)
+	c.conn, err = c.dialer.DialContext(c.ctx, c.network, c.destination.String(), b)
 	if err != nil {
-		c.err = err
-	} else {
-		c.conn.Store(conn.(*net.TCPConn))
+		c.conn = nil
+		c.err = E.Cause(err, "dial tcp fast open")
 	}
 	n = len(b)
 	close(c.create)
@@ -96,87 +87,74 @@ func (c *slowOpenConn) Write(b []byte) (n int, err error) {
 }
 
 func (c *slowOpenConn) Close() error {
-	c.closeOnce.Do(func() {
-		close(c.done)
-		conn := c.conn.Load()
-		if conn != nil {
-			conn.Close()
-		}
-	})
-	return nil
+	return common.Close(c.conn)
 }
 
 func (c *slowOpenConn) LocalAddr() net.Addr {
-	conn := c.conn.Load()
-	if conn == nil {
+	if c.conn == nil {
 		return M.Socksaddr{}
 	}
-	return conn.LocalAddr()
+	return c.conn.LocalAddr()
 }
 
 func (c *slowOpenConn) RemoteAddr() net.Addr {
-	conn := c.conn.Load()
-	if conn == nil {
+	if c.conn == nil {
 		return M.Socksaddr{}
 	}
-	return conn.RemoteAddr()
+	return c.conn.RemoteAddr()
 }
 
 func (c *slowOpenConn) SetDeadline(t time.Time) error {
-	conn := c.conn.Load()
-	if conn == nil {
+	if c.conn == nil {
 		return os.ErrInvalid
 	}
-	return conn.SetDeadline(t)
+	return c.conn.SetDeadline(t)
 }
 
 func (c *slowOpenConn) SetReadDeadline(t time.Time) error {
-	conn := c.conn.Load()
-	if conn == nil {
+	if c.conn == nil {
 		return os.ErrInvalid
 	}
-	return conn.SetReadDeadline(t)
+	return c.conn.SetReadDeadline(t)
 }
 
 func (c *slowOpenConn) SetWriteDeadline(t time.Time) error {
-	conn := c.conn.Load()
-	if conn == nil {
+	if c.conn == nil {
 		return os.ErrInvalid
 	}
-	return conn.SetWriteDeadline(t)
+	return c.conn.SetWriteDeadline(t)
 }
 
 func (c *slowOpenConn) Upstream() any {
-	return common.PtrOrNil(c.conn.Load())
+	return c.conn
 }
 
 func (c *slowOpenConn) ReaderReplaceable() bool {
-	return c.conn.Load() != nil
+	return c.conn != nil
 }
 
 func (c *slowOpenConn) WriterReplaceable() bool {
-	return c.conn.Load() != nil
+	return c.conn != nil
 }
 
 func (c *slowOpenConn) LazyHeadroom() bool {
-	return c.conn.Load() == nil
+	return c.conn == nil
 }
 
 func (c *slowOpenConn) NeedHandshake() bool {
-	return c.conn.Load() == nil
+	return c.conn == nil
 }
 
 func (c *slowOpenConn) WriteTo(w io.Writer) (n int64, err error) {
-	conn := c.conn.Load()
-	if conn == nil {
+	if c.conn == nil {
 		select {
 		case <-c.create:
 			if c.err != nil {
 				return 0, c.err
 			}
-		case <-c.done:
-			return 0, c.err
+		case <-c.ctx.Done():
+			return 0, c.ctx.Err()
 		}
 	}
-	return bufio.Copy(w, c.conn.Load())
+	return bufio.Copy(w, c.conn)
 }

common/humanize/bytes.go

@@ -0,0 +1,158 @@
+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/ktls/ktls.go

@@ -1,84 +0,0 @@
-//go:build linux && go1.25 && !without_badtls
-
-package ktls
-
-import (
-	"crypto/tls"
-	"io"
-	"net"
-	"os"
-	"syscall"
-
-	"github.com/sagernet/sing-box/common/badtls"
-	// C "github.com/sagernet/sing-box/constant"
-	E "github.com/sagernet/sing/common/exceptions"
-	N "github.com/sagernet/sing/common/network"
-	aTLS "github.com/sagernet/sing/common/tls"
-)
-
-type Conn struct {
-	aTLS.Conn
-	conn            net.Conn
-	rawConn         *badtls.RawConn
-	rawSyscallConn  syscall.RawConn
-	readWaitOptions N.ReadWaitOptions
-	kernelTx        bool
-	kernelRx        bool
-	tmp             [16]byte
-}
-
-func NewConn(conn aTLS.Conn, txOffload, rxOffload bool) (aTLS.Conn, error) {
-	syscallConn, isSyscallConn := N.CastReader[interface {
-		io.Reader
-		syscall.Conn
-	}](conn.NetConn())
-	if !isSyscallConn {
-		return nil, os.ErrInvalid
-	}
-	rawSyscallConn, err := syscallConn.SyscallConn()
-	if err != nil {
-		return nil, err
-	}
-	rawConn, err := badtls.NewRawConn(conn)
-	if err != nil {
-		return nil, err
-	}
-	if *rawConn.Vers != tls.VersionTLS13 {
-		return nil, os.ErrInvalid
-	}
-	for rawConn.RawInput.Len() > 0 {
-		err = rawConn.ReadRecord()
-		if err != nil {
-			return nil, err
-		}
-		for rawConn.Hand.Len() > 0 {
-			err = rawConn.HandlePostHandshakeMessage()
-			if err != nil {
-				return nil, E.Cause(err, "ktls: failed to handle post-handshake messages")
-			}
-		}
-	}
-	kConn := &Conn{
-		Conn:           conn,
-		conn:           conn.NetConn(),
-		rawConn:        rawConn,
-		rawSyscallConn: rawSyscallConn,
-	}
-	err = kConn.setupKernel(txOffload, rxOffload)
-	if err != nil {
-		return nil, err
-	}
-	return kConn, nil
-}
-
-func (c *Conn) Upstream() any {
-	return c.conn
-}
-
-func (c *Conn) ReaderReplaceable() bool {
-	return c.kernelRx
-}
-
-func (c *Conn) WriterReplaceable() bool {
-	return c.kernelTx
-}

common/ktls/ktls_alert.go

@@ -1,80 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && !without_badtls
-
-package ktls
-
-import (
-	"crypto/tls"
-	"net"
-)
-
-const (
-	// alert level
-	alertLevelWarning = 1
-	alertLevelError   = 2
-)
-
-const (
-	alertCloseNotify                  = 0
-	alertUnexpectedMessage            = 10
-	alertBadRecordMAC                 = 20
-	alertDecryptionFailed             = 21
-	alertRecordOverflow               = 22
-	alertDecompressionFailure         = 30
-	alertHandshakeFailure             = 40
-	alertBadCertificate               = 42
-	alertUnsupportedCertificate       = 43
-	alertCertificateRevoked           = 44
-	alertCertificateExpired           = 45
-	alertCertificateUnknown           = 46
-	alertIllegalParameter             = 47
-	alertUnknownCA                    = 48
-	alertAccessDenied                 = 49
-	alertDecodeError                  = 50
-	alertDecryptError                 = 51
-	alertExportRestriction            = 60
-	alertProtocolVersion              = 70
-	alertInsufficientSecurity         = 71
-	alertInternalError                = 80
-	alertInappropriateFallback        = 86
-	alertUserCanceled                 = 90
-	alertNoRenegotiation              = 100
-	alertMissingExtension             = 109
-	alertUnsupportedExtension         = 110
-	alertCertificateUnobtainable      = 111
-	alertUnrecognizedName             = 112
-	alertBadCertificateStatusResponse = 113
-	alertBadCertificateHashValue      = 114
-	alertUnknownPSKIdentity           = 115
-	alertCertificateRequired          = 116
-	alertNoApplicationProtocol        = 120
-	alertECHRequired                  = 121
-)
-
-func (c *Conn) sendAlertLocked(err uint8) error {
-	switch err {
-	case alertNoRenegotiation, alertCloseNotify:
-		c.tmp[0] = alertLevelWarning
-	default:
-		c.tmp[0] = alertLevelError
-	}
-	c.tmp[1] = byte(err)
-
-	_, writeErr := c.writeRecordLocked(recordTypeAlert, c.tmp[0:2])
-	if err == alertCloseNotify {
-		// closeNotify is a special case in that it isn't an error.
-		return writeErr
-	}
-
-	return c.rawConn.Out.SetErrorLocked(&net.OpError{Op: "local error", Err: tls.AlertError(err)})
-}
-
-// sendAlert sends a TLS alert message.
-func (c *Conn) sendAlert(err uint8) error {
-	c.rawConn.Out.Lock()
-	defer c.rawConn.Out.Unlock()
-	return c.sendAlertLocked(err)
-}

common/ktls/ktls_cipher_suites_linux.go

@@ -1,326 +0,0 @@
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && !without_badtls
-
-package ktls
-
-import (
-	"crypto/tls"
-	"unsafe"
-
-	"github.com/sagernet/sing-box/common/badtls"
-)
-
-type kernelCryptoCipherType uint16
-
-const (
-	TLS_CIPHER_AES_GCM_128              kernelCryptoCipherType = 51
-	TLS_CIPHER_AES_GCM_128_IV_SIZE      kernelCryptoCipherType = 8
-	TLS_CIPHER_AES_GCM_128_KEY_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_AES_GCM_128_SALT_SIZE    kernelCryptoCipherType = 4
-	TLS_CIPHER_AES_GCM_128_TAG_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	TLS_CIPHER_AES_GCM_256              kernelCryptoCipherType = 52
-	TLS_CIPHER_AES_GCM_256_IV_SIZE      kernelCryptoCipherType = 8
-	TLS_CIPHER_AES_GCM_256_KEY_SIZE     kernelCryptoCipherType = 32
-	TLS_CIPHER_AES_GCM_256_SALT_SIZE    kernelCryptoCipherType = 4
-	TLS_CIPHER_AES_GCM_256_TAG_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	TLS_CIPHER_AES_CCM_128              kernelCryptoCipherType = 53
-	TLS_CIPHER_AES_CCM_128_IV_SIZE      kernelCryptoCipherType = 8
-	TLS_CIPHER_AES_CCM_128_KEY_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_AES_CCM_128_SALT_SIZE    kernelCryptoCipherType = 4
-	TLS_CIPHER_AES_CCM_128_TAG_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	TLS_CIPHER_CHACHA20_POLY1305              kernelCryptoCipherType = 54
-	TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE      kernelCryptoCipherType = 12
-	TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE     kernelCryptoCipherType = 32
-	TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE    kernelCryptoCipherType = 0
-	TLS_CIPHER_CHACHA20_POLY1305_TAG_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	// TLS_CIPHER_SM4_GCM              kernelCryptoCipherType = 55
-	// TLS_CIPHER_SM4_GCM_IV_SIZE      kernelCryptoCipherType = 8
-	// TLS_CIPHER_SM4_GCM_KEY_SIZE     kernelCryptoCipherType = 16
-	// TLS_CIPHER_SM4_GCM_SALT_SIZE    kernelCryptoCipherType = 4
-	// TLS_CIPHER_SM4_GCM_TAG_SIZE     kernelCryptoCipherType = 16
-	// TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	// TLS_CIPHER_SM4_CCM              kernelCryptoCipherType = 56
-	// TLS_CIPHER_SM4_CCM_IV_SIZE      kernelCryptoCipherType = 8
-	// TLS_CIPHER_SM4_CCM_KEY_SIZE     kernelCryptoCipherType = 16
-	// TLS_CIPHER_SM4_CCM_SALT_SIZE    kernelCryptoCipherType = 4
-	// TLS_CIPHER_SM4_CCM_TAG_SIZE     kernelCryptoCipherType = 16
-	// TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	TLS_CIPHER_ARIA_GCM_128              kernelCryptoCipherType = 57
-	TLS_CIPHER_ARIA_GCM_128_IV_SIZE      kernelCryptoCipherType = 8
-	TLS_CIPHER_ARIA_GCM_128_KEY_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_ARIA_GCM_128_SALT_SIZE    kernelCryptoCipherType = 4
-	TLS_CIPHER_ARIA_GCM_128_TAG_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	TLS_CIPHER_ARIA_GCM_256              kernelCryptoCipherType = 58
-	TLS_CIPHER_ARIA_GCM_256_IV_SIZE      kernelCryptoCipherType = 8
-	TLS_CIPHER_ARIA_GCM_256_KEY_SIZE     kernelCryptoCipherType = 32
-	TLS_CIPHER_ARIA_GCM_256_SALT_SIZE    kernelCryptoCipherType = 4
-	TLS_CIPHER_ARIA_GCM_256_TAG_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE kernelCryptoCipherType = 8
-)
-
-type kernelCrypto interface {
-	String() string
-}
-
-type kernelCryptoInfo struct {
-	version     uint16
-	cipher_type kernelCryptoCipherType
-}
-
-var _ kernelCrypto = &kernelCryptoAES128GCM{}
-
-type kernelCryptoAES128GCM struct {
-	kernelCryptoInfo
-	iv      [TLS_CIPHER_AES_GCM_128_IV_SIZE]byte
-	key     [TLS_CIPHER_AES_GCM_128_KEY_SIZE]byte
-	salt    [TLS_CIPHER_AES_GCM_128_SALT_SIZE]byte
-	rec_seq [TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE]byte
-}
-
-func (crypto *kernelCryptoAES128GCM) String() string {
-	crypto.cipher_type = TLS_CIPHER_AES_GCM_128
-	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-}
-
-var _ kernelCrypto = &kernelCryptoAES256GCM{}
-
-type kernelCryptoAES256GCM struct {
-	kernelCryptoInfo
-	iv      [TLS_CIPHER_AES_GCM_256_IV_SIZE]byte
-	key     [TLS_CIPHER_AES_GCM_256_KEY_SIZE]byte
-	salt    [TLS_CIPHER_AES_GCM_256_SALT_SIZE]byte
-	rec_seq [TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE]byte
-}
-
-func (crypto *kernelCryptoAES256GCM) String() string {
-	crypto.cipher_type = TLS_CIPHER_AES_GCM_256
-	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-}
-
-var _ kernelCrypto = &kernelCryptoAES128CCM{}
-
-type kernelCryptoAES128CCM struct {
-	kernelCryptoInfo
-	iv      [TLS_CIPHER_AES_CCM_128_IV_SIZE]byte
-	key     [TLS_CIPHER_AES_CCM_128_KEY_SIZE]byte
-	salt    [TLS_CIPHER_AES_CCM_128_SALT_SIZE]byte
-	rec_seq [TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE]byte
-}
-
-func (crypto *kernelCryptoAES128CCM) String() string {
-	crypto.cipher_type = TLS_CIPHER_AES_CCM_128
-	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-}
-
-var _ kernelCrypto = &kernelCryptoChacha20Poly1035{}
-
-type kernelCryptoChacha20Poly1035 struct {
-	kernelCryptoInfo
-	iv      [TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE]byte
-	key     [TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE]byte
-	salt    [TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE]byte
-	rec_seq [TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE]byte
-}
-
-func (crypto *kernelCryptoChacha20Poly1035) String() string {
-	crypto.cipher_type = TLS_CIPHER_CHACHA20_POLY1305
-	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-}
-
-// var _ kernelCrypto = &kernelCryptoSM4GCM{}
-
-// type kernelCryptoSM4GCM struct {
-// 	kernelCryptoInfo
-// 	iv      [TLS_CIPHER_SM4_GCM_IV_SIZE]byte
-// 	key     [TLS_CIPHER_SM4_GCM_KEY_SIZE]byte
-// 	salt    [TLS_CIPHER_SM4_GCM_SALT_SIZE]byte
-// 	rec_seq [TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE]byte
-// }
-
-// func (crypto *kernelCryptoSM4GCM) String() string {
-// 	crypto.cipher_type = TLS_CIPHER_SM4_GCM
-// 	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-// }
-
-// var _ kernelCrypto = &kernelCryptoSM4CCM{}
-
-// type kernelCryptoSM4CCM struct {
-// 	kernelCryptoInfo
-// 	iv      [TLS_CIPHER_SM4_CCM_IV_SIZE]byte
-// 	key     [TLS_CIPHER_SM4_CCM_KEY_SIZE]byte
-// 	salt    [TLS_CIPHER_SM4_CCM_SALT_SIZE]byte
-// 	rec_seq [TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE]byte
-// }
-
-// func (crypto *kernelCryptoSM4CCM) String() string {
-// 	crypto.cipher_type = TLS_CIPHER_SM4_CCM
-// 	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-// }
-
-var _ kernelCrypto = &kernelCryptoARIA128GCM{}
-
-type kernelCryptoARIA128GCM struct {
-	kernelCryptoInfo
-	iv      [TLS_CIPHER_ARIA_GCM_128_IV_SIZE]byte
-	key     [TLS_CIPHER_ARIA_GCM_128_KEY_SIZE]byte
-	salt    [TLS_CIPHER_ARIA_GCM_128_SALT_SIZE]byte
-	rec_seq [TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE]byte
-}
-
-func (crypto *kernelCryptoARIA128GCM) String() string {
-	crypto.cipher_type = TLS_CIPHER_ARIA_GCM_128
-	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-}
-
-var _ kernelCrypto = &kernelCryptoARIA256GCM{}
-
-type kernelCryptoARIA256GCM struct {
-	kernelCryptoInfo
-	iv      [TLS_CIPHER_ARIA_GCM_256_IV_SIZE]byte
-	key     [TLS_CIPHER_ARIA_GCM_256_KEY_SIZE]byte
-	salt    [TLS_CIPHER_ARIA_GCM_256_SALT_SIZE]byte
-	rec_seq [TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE]byte
-}
-
-func (crypto *kernelCryptoARIA256GCM) String() string {
-	crypto.cipher_type = TLS_CIPHER_ARIA_GCM_256
-	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-}
-
-func kernelCipher(kernel *Support, hc *badtls.RawHalfConn, cipherSuite uint16, isRX bool) kernelCrypto {
-	if !kernel.TLS {
-		return nil
-	}
-
-	switch *hc.Version {
-	case tls.VersionTLS12:
-		if isRX && !kernel.TLS_Version13_RX {
-			return nil
-		}
-
-	case tls.VersionTLS13:
-		if !kernel.TLS_Version13 {
-			return nil
-		}
-
-		if isRX && !kernel.TLS_Version13_RX {
-			return nil
-		}
-
-	default:
-		return nil
-	}
-
-	var key, iv []byte
-	if *hc.Version == tls.VersionTLS13 {
-		key, iv = trafficKey(cipherSuiteTLS13ByID(cipherSuite), *hc.TrafficSecret)
-		/*if isRX {
-			key, iv = trafficKey(cipherSuiteTLS13ByID(cipherSuite), keyLog.RemoteTrafficSecret)
-		} else {
-			key, iv = trafficKey(cipherSuiteTLS13ByID(cipherSuite), keyLog.TrafficSecret)
-		}*/
-	} else {
-		// csPtr := cipherSuiteByID(cipherSuite)
-		// keysFromMasterSecret(*hc.Version, csPtr, keyLog.Secret, keyLog.Random)
-		return nil
-	}
-
-	switch cipherSuite {
-	case tls.TLS_AES_128_GCM_SHA256, tls.TLS_RSA_WITH_AES_128_GCM_SHA256, tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:
-		crypto := new(kernelCryptoAES128GCM)
-
-		crypto.version = *hc.Version
-		copy(crypto.key[:], key)
-		copy(crypto.iv[:], iv[4:])
-		copy(crypto.salt[:], iv[:4])
-		crypto.rec_seq = *hc.Seq
-
-		return crypto
-	case tls.TLS_AES_256_GCM_SHA384, tls.TLS_RSA_WITH_AES_256_GCM_SHA384, tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384:
-		if !kernel.TLS_AES_256_GCM {
-			return nil
-		}
-
-		crypto := new(kernelCryptoAES256GCM)
-
-		crypto.version = *hc.Version
-		copy(crypto.key[:], key)
-		copy(crypto.iv[:], iv[4:])
-		copy(crypto.salt[:], iv[:4])
-		crypto.rec_seq = *hc.Seq
-
-		return crypto
-	//case tls.TLS_AES_128_CCM_SHA256, tls.TLS_RSA_WITH_AES_128_CCM_SHA256, tls.TLS_ECDHE_ECDSA_WITH_AES_128_CCM_SHA256:
-	//	if !kernel.TLS_AES_128_CCM {
-	//		return nil
-	//	}
-	//
-	//	crypto := new(kernelCryptoAES128CCM)
-	//
-	//	crypto.version = *hc.Version
-	//	copy(crypto.key[:], key)
-	//	copy(crypto.iv[:], iv[4:])
-	//	copy(crypto.salt[:], iv[:4])
-	//	crypto.rec_seq = *hc.Seq
-	//
-	//	return crypto
-	case tls.TLS_CHACHA20_POLY1305_SHA256, tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256:
-		if !kernel.TLS_CHACHA20_POLY1305 {
-			return nil
-		}
-
-		crypto := new(kernelCryptoChacha20Poly1035)
-
-		crypto.version = *hc.Version
-		copy(crypto.key[:], key)
-		copy(crypto.iv[:], iv)
-		crypto.rec_seq = *hc.Seq
-
-		return crypto
-	//case tls.TLS_RSA_WITH_ARIA_128_GCM_SHA256, tls.TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256, tls.TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256:
-	//	if !kernel.TLS_ARIA_GCM {
-	//		return nil
-	//	}
-	//
-	//	crypto := new(kernelCryptoARIA128GCM)
-	//
-	//	crypto.version = *hc.Version
-	//	copy(crypto.key[:], key)
-	//	copy(crypto.iv[:], iv[4:])
-	//	copy(crypto.salt[:], iv[:4])
-	//	crypto.rec_seq = *hc.Seq
-	//
-	//	return crypto
-	//case tls.TLS_RSA_WITH_ARIA_256_GCM_SHA384, tls.TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384, tls.TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384:
-	//	if !kernel.TLS_ARIA_GCM {
-	//		return nil
-	//	}
-	//
-	//	crypto := new(kernelCryptoARIA256GCM)
-	//
-	//	crypto.version = *hc.Version
-	//	copy(crypto.key[:], key)
-	//	copy(crypto.iv[:], iv[4:])
-	//	copy(crypto.salt[:], iv[:4])
-	//	crypto.rec_seq = *hc.Seq
-	//
-	//	return crypto
-	default:
-		return nil
-	}
-}

common/ktls/ktls_close.go

@@ -1,67 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && !without_badtls
-
-package ktls
-
-import (
-	"fmt"
-	"net"
-	"time"
-)
-
-func (c *Conn) Close() error {
-	if !c.kernelTx {
-		return c.Conn.Close()
-	}
-
-	// Interlock with Conn.Write above.
-	var x int32
-	for {
-		x = c.rawConn.ActiveCall.Load()
-		if x&1 != 0 {
-			return net.ErrClosed
-		}
-		if c.rawConn.ActiveCall.CompareAndSwap(x, x|1) {
-			break
-		}
-	}
-	if x != 0 {
-		// io.Writer and io.Closer should not be used concurrently.
-		// If Close is called while a Write is currently in-flight,
-		// interpret that as a sign that this Close is really just
-		// being used to break the Write and/or clean up resources and
-		// avoid sending the alertCloseNotify, which may block
-		// waiting on handshakeMutex or the c.out mutex.
-		return c.conn.Close()
-	}
-
-	var alertErr error
-	if c.rawConn.IsHandshakeComplete.Load() {
-		if err := c.closeNotify(); err != nil {
-			alertErr = fmt.Errorf("tls: failed to send closeNotify alert (but connection was closed anyway): %w", err)
-		}
-	}
-
-	if err := c.conn.Close(); err != nil {
-		return err
-	}
-	return alertErr
-}
-
-func (c *Conn) closeNotify() error {
-	c.rawConn.Out.Lock()
-	defer c.rawConn.Out.Unlock()
-
-	if !*c.rawConn.CloseNotifySent {
-		// Set a Write Deadline to prevent possibly blocking forever.
-		c.SetWriteDeadline(time.Now().Add(time.Second * 5))
-		*c.rawConn.CloseNotifyErr = c.sendAlertLocked(alertCloseNotify)
-		*c.rawConn.CloseNotifySent = true
-		// Any subsequent writes will fail.
-		c.SetWriteDeadline(time.Now())
-	}
-	return *c.rawConn.CloseNotifyErr
-}

common/ktls/ktls_const.go

@@ -1,24 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && !without_badtls
-
-package ktls
-
-const (
-	maxPlaintext               = 16384        // maximum plaintext payload length
-	maxCiphertext              = 16384 + 2048 // maximum ciphertext payload length
-	maxCiphertextTLS13         = 16384 + 256  // maximum ciphertext length in TLS 1.3
-	recordHeaderLen            = 5            // record header length
-	maxHandshake               = 65536        // maximum handshake we support (protocol max is 16 MB)
-	maxHandshakeCertificateMsg = 262144       // maximum certificate message size (256 KiB)
-	maxUselessRecords          = 16           // maximum number of consecutive non-advancing records
-)
-
-const (
-	recordTypeChangeCipherSpec = 20
-	recordTypeAlert            = 21
-	recordTypeHandshake        = 22
-	recordTypeApplicationData  = 23
-)

common/ktls/ktls_handshake_messages.go

@@ -1,238 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && !without_badtls
-
-package ktls
-
-import (
-	"fmt"
-
-	"golang.org/x/crypto/cryptobyte"
-)
-
-// The marshalingFunction type is an adapter to allow the use of ordinary
-// functions as cryptobyte.MarshalingValue.
-type marshalingFunction func(b *cryptobyte.Builder) error
-
-func (f marshalingFunction) Marshal(b *cryptobyte.Builder) error {
-	return f(b)
-}
-
-// addBytesWithLength appends a sequence of bytes to the cryptobyte.Builder. If
-// the length of the sequence is not the value specified, it produces an error.
-func addBytesWithLength(b *cryptobyte.Builder, v []byte, n int) {
-	b.AddValue(marshalingFunction(func(b *cryptobyte.Builder) error {
-		if len(v) != n {
-			return fmt.Errorf("invalid value length: expected %d, got %d", n, len(v))
-		}
-		b.AddBytes(v)
-		return nil
-	}))
-}
-
-// addUint64 appends a big-endian, 64-bit value to the cryptobyte.Builder.
-func addUint64(b *cryptobyte.Builder, v uint64) {
-	b.AddUint32(uint32(v >> 32))
-	b.AddUint32(uint32(v))
-}
-
-// readUint64 decodes a big-endian, 64-bit value into out and advances over it.
-// It reports whether the read was successful.
-func readUint64(s *cryptobyte.String, out *uint64) bool {
-	var hi, lo uint32
-	if !s.ReadUint32(&hi) || !s.ReadUint32(&lo) {
-		return false
-	}
-	*out = uint64(hi)<<32 | uint64(lo)
-	return true
-}
-
-// readUint8LengthPrefixed acts like s.ReadUint8LengthPrefixed, but targets a
-// []byte instead of a cryptobyte.String.
-func readUint8LengthPrefixed(s *cryptobyte.String, out *[]byte) bool {
-	return s.ReadUint8LengthPrefixed((*cryptobyte.String)(out))
-}
-
-// readUint16LengthPrefixed acts like s.ReadUint16LengthPrefixed, but targets a
-// []byte instead of a cryptobyte.String.
-func readUint16LengthPrefixed(s *cryptobyte.String, out *[]byte) bool {
-	return s.ReadUint16LengthPrefixed((*cryptobyte.String)(out))
-}
-
-// readUint24LengthPrefixed acts like s.ReadUint24LengthPrefixed, but targets a
-// []byte instead of a cryptobyte.String.
-func readUint24LengthPrefixed(s *cryptobyte.String, out *[]byte) bool {
-	return s.ReadUint24LengthPrefixed((*cryptobyte.String)(out))
-}
-
-type keyUpdateMsg struct {
-	updateRequested bool
-}
-
-func (m *keyUpdateMsg) marshal() ([]byte, error) {
-	var b cryptobyte.Builder
-	b.AddUint8(typeKeyUpdate)
-	b.AddUint24LengthPrefixed(func(b *cryptobyte.Builder) {
-		if m.updateRequested {
-			b.AddUint8(1)
-		} else {
-			b.AddUint8(0)
-		}
-	})
-
-	return b.Bytes()
-}
-
-func (m *keyUpdateMsg) unmarshal(data []byte) bool {
-	s := cryptobyte.String(data)
-
-	var updateRequested uint8
-	if !s.Skip(4) || // message type and uint24 length field
-		!s.ReadUint8(&updateRequested) || !s.Empty() {
-		return false
-	}
-	switch updateRequested {
-	case 0:
-		m.updateRequested = false
-	case 1:
-		m.updateRequested = true
-	default:
-		return false
-	}
-	return true
-}
-
-// TLS handshake message types.
-const (
-	typeHelloRequest          uint8 = 0
-	typeClientHello           uint8 = 1
-	typeServerHello           uint8 = 2
-	typeNewSessionTicket      uint8 = 4
-	typeEndOfEarlyData        uint8 = 5
-	typeEncryptedExtensions   uint8 = 8
-	typeCertificate           uint8 = 11
-	typeServerKeyExchange     uint8 = 12
-	typeCertificateRequest    uint8 = 13
-	typeServerHelloDone       uint8 = 14
-	typeCertificateVerify     uint8 = 15
-	typeClientKeyExchange     uint8 = 16
-	typeFinished              uint8 = 20
-	typeCertificateStatus     uint8 = 22
-	typeKeyUpdate             uint8 = 24
-	typeCompressedCertificate uint8 = 25
-	typeMessageHash           uint8 = 254 // synthetic message
-)
-
-// TLS compression types.
-const (
-	compressionNone uint8 = 0
-)
-
-// TLS extension numbers
-const (
-	extensionServerName              uint16 = 0
-	extensionStatusRequest           uint16 = 5
-	extensionSupportedCurves         uint16 = 10 // supported_groups in TLS 1.3, see RFC 8446, Section 4.2.7
-	extensionSupportedPoints         uint16 = 11
-	extensionSignatureAlgorithms     uint16 = 13
-	extensionALPN                    uint16 = 16
-	extensionSCT                     uint16 = 18
-	extensionPadding                 uint16 = 21
-	extensionExtendedMasterSecret    uint16 = 23
-	extensionCompressCertificate     uint16 = 27 // compress_certificate in TLS 1.3
-	extensionSessionTicket           uint16 = 35
-	extensionPreSharedKey            uint16 = 41
-	extensionEarlyData               uint16 = 42
-	extensionSupportedVersions       uint16 = 43
-	extensionCookie                  uint16 = 44
-	extensionPSKModes                uint16 = 45
-	extensionCertificateAuthorities  uint16 = 47
-	extensionSignatureAlgorithmsCert uint16 = 50
-	extensionKeyShare                uint16 = 51
-	extensionQUICTransportParameters uint16 = 57
-	extensionALPS                    uint16 = 17513
-	extensionRenegotiationInfo       uint16 = 0xff01
-	extensionECHOuterExtensions      uint16 = 0xfd00
-	extensionEncryptedClientHello    uint16 = 0xfe0d
-)
-
-type handshakeMessage interface {
-	marshal() ([]byte, error)
-	unmarshal([]byte) bool
-}
-type newSessionTicketMsgTLS13 struct {
-	lifetime     uint32
-	ageAdd       uint32
-	nonce        []byte
-	label        []byte
-	maxEarlyData uint32
-}
-
-func (m *newSessionTicketMsgTLS13) marshal() ([]byte, error) {
-	var b cryptobyte.Builder
-	b.AddUint8(typeNewSessionTicket)
-	b.AddUint24LengthPrefixed(func(b *cryptobyte.Builder) {
-		b.AddUint32(m.lifetime)
-		b.AddUint32(m.ageAdd)
-		b.AddUint8LengthPrefixed(func(b *cryptobyte.Builder) {
-			b.AddBytes(m.nonce)
-		})
-		b.AddUint16LengthPrefixed(func(b *cryptobyte.Builder) {
-			b.AddBytes(m.label)
-		})
-
-		b.AddUint16LengthPrefixed(func(b *cryptobyte.Builder) {
-			if m.maxEarlyData > 0 {
-				b.AddUint16(extensionEarlyData)
-				b.AddUint16LengthPrefixed(func(b *cryptobyte.Builder) {
-					b.AddUint32(m.maxEarlyData)
-				})
-			}
-		})
-	})
-
-	return b.Bytes()
-}
-
-func (m *newSessionTicketMsgTLS13) unmarshal(data []byte) bool {
-	*m = newSessionTicketMsgTLS13{}
-	s := cryptobyte.String(data)
-
-	var extensions cryptobyte.String
-	if !s.Skip(4) || // message type and uint24 length field
-		!s.ReadUint32(&m.lifetime) ||
-		!s.ReadUint32(&m.ageAdd) ||
-		!readUint8LengthPrefixed(&s, &m.nonce) ||
-		!readUint16LengthPrefixed(&s, &m.label) ||
-		!s.ReadUint16LengthPrefixed(&extensions) ||
-		!s.Empty() {
-		return false
-	}
-
-	for !extensions.Empty() {
-		var extension uint16
-		var extData cryptobyte.String
-		if !extensions.ReadUint16(&extension) ||
-			!extensions.ReadUint16LengthPrefixed(&extData) {
-			return false
-		}
-
-		switch extension {
-		case extensionEarlyData:
-			if !extData.ReadUint32(&m.maxEarlyData) {
-				return false
-			}
-		default:
-			// Ignore unknown extensions.
-			continue
-		}
-
-		if !extData.Empty() {
-			return false
-		}
-	}
-
-	return true
-}

common/ktls/ktls_key_update.go

@@ -1,173 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && !without_badtls
-
-package ktls
-
-import (
-	"crypto/tls"
-	"errors"
-	"fmt"
-	"io"
-	"os"
-)
-
-// handlePostHandshakeMessage processes a handshake message arrived after the
-// handshake is complete. Up to TLS 1.2, it indicates the start of a renegotiation.
-func (c *Conn) handlePostHandshakeMessage() error {
-	if *c.rawConn.Vers != tls.VersionTLS13 {
-		return errors.New("ktls: kernel does not support TLS 1.2 renegotiation")
-	}
-
-	msg, err := c.readHandshake(nil)
-	if err != nil {
-		return err
-	}
-	//c.retryCount++
-	//if c.retryCount > maxUselessRecords {
-	//	c.sendAlert(alertUnexpectedMessage)
-	//	return c.in.setErrorLocked(errors.New("tls: too many non-advancing records"))
-	//}
-
-	switch msg := msg.(type) {
-	case *newSessionTicketMsgTLS13:
-		// return errors.New("ktls: received new session ticket")
-		return nil
-	case *keyUpdateMsg:
-		return c.handleKeyUpdate(msg)
-	}
-	// The QUIC layer is supposed to treat an unexpected post-handshake CertificateRequest
-	// as a QUIC-level PROTOCOL_VIOLATION error (RFC 9001, Section 4.4). Returning an
-	// unexpected_message alert here doesn't provide it with enough information to distinguish
-	// this condition from other unexpected messages. This is probably fine.
-	c.sendAlert(alertUnexpectedMessage)
-	return fmt.Errorf("tls: received unexpected handshake message of type %T", msg)
-}
-
-func (c *Conn) handleKeyUpdate(keyUpdate *keyUpdateMsg) error {
-	//if c.quic != nil {
-	//	c.sendAlert(alertUnexpectedMessage)
-	//	return c.in.setErrorLocked(errors.New("tls: received unexpected key update message"))
-	//}
-
-	cipherSuite := cipherSuiteTLS13ByID(*c.rawConn.CipherSuite)
-	if cipherSuite == nil {
-		return c.rawConn.In.SetErrorLocked(c.sendAlert(alertInternalError))
-	}
-
-	newSecret := nextTrafficSecret(cipherSuite, *c.rawConn.In.TrafficSecret)
-	c.rawConn.In.SetTrafficSecret(cipherSuite, 0 /*tls.QUICEncryptionLevelInitial*/, newSecret)
-
-	err := c.resetupRX()
-	if err != nil {
-		c.sendAlert(alertInternalError)
-		return c.rawConn.In.SetErrorLocked(fmt.Errorf("ktls: resetupRX failed: %w", err))
-	}
-
-	if keyUpdate.updateRequested {
-		c.rawConn.Out.Lock()
-		defer c.rawConn.Out.Unlock()
-
-		resetup, err := c.resetupTX()
-		if err != nil {
-			c.sendAlertLocked(alertInternalError)
-			return c.rawConn.Out.SetErrorLocked(fmt.Errorf("ktls: resetupTX failed: %w", err))
-		}
-
-		msg := &keyUpdateMsg{}
-		msgBytes, err := msg.marshal()
-		if err != nil {
-			return err
-		}
-		_, err = c.writeRecordLocked(recordTypeHandshake, msgBytes)
-		if err != nil {
-			// Surface the error at the next write.
-			c.rawConn.Out.SetErrorLocked(err)
-			return nil
-		}
-
-		newSecret := nextTrafficSecret(cipherSuite, *c.rawConn.Out.TrafficSecret)
-		c.rawConn.Out.SetTrafficSecret(cipherSuite, 0 /*QUICEncryptionLevelInitial*/, newSecret)
-
-		err = resetup()
-		if err != nil {
-			return c.rawConn.Out.SetErrorLocked(fmt.Errorf("ktls: resetupTX failed: %w", err))
-		}
-	}
-
-	return nil
-}
-
-func (c *Conn) readHandshakeBytes(n int) error {
-	//if c.quic != nil {
-	//	return c.quicReadHandshakeBytes(n)
-	//}
-	for c.rawConn.Hand.Len() < n {
-		if err := c.readRecord(); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func (c *Conn) readHandshake(transcript io.Writer) (any, error) {
-	if err := c.readHandshakeBytes(4); err != nil {
-		return nil, err
-	}
-	data := c.rawConn.Hand.Bytes()
-
-	maxHandshakeSize := maxHandshake
-	// hasVers indicates we're past the first message, forcing someone trying to
-	// make us just allocate a large buffer to at least do the initial part of
-	// the handshake first.
-	//if c.haveVers && data[0] == typeCertificate {
-	// Since certificate messages are likely to be the only messages that
-	// can be larger than maxHandshake, we use a special limit for just
-	// those messages.
-	//maxHandshakeSize = maxHandshakeCertificateMsg
-	//}
-
-	n := int(data[1])<<16 | int(data[2])<<8 | int(data[3])
-	if n > maxHandshakeSize {
-		c.sendAlertLocked(alertInternalError)
-		return nil, c.rawConn.In.SetErrorLocked(fmt.Errorf("tls: handshake message of length %d bytes exceeds maximum of %d bytes", n, maxHandshakeSize))
-	}
-	if err := c.readHandshakeBytes(4 + n); err != nil {
-		return nil, err
-	}
-	data = c.rawConn.Hand.Next(4 + n)
-	return c.unmarshalHandshakeMessage(data, transcript)
-}
-
-func (c *Conn) unmarshalHandshakeMessage(data []byte, transcript io.Writer) (any, error) {
-	var m handshakeMessage
-	switch data[0] {
-	case typeNewSessionTicket:
-		if *c.rawConn.Vers == tls.VersionTLS13 {
-			m = new(newSessionTicketMsgTLS13)
-		} else {
-			return nil, os.ErrInvalid
-		}
-	case typeKeyUpdate:
-		m = new(keyUpdateMsg)
-	default:
-		return nil, c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-	}
-
-	// The handshake message unmarshalers
-	// expect to be able to keep references to data,
-	// so pass in a fresh copy that won't be overwritten.
-	data = append([]byte(nil), data...)
-
-	if !m.unmarshal(data) {
-		return nil, c.rawConn.In.SetErrorLocked(c.sendAlert(alertDecodeError))
-	}
-
-	if transcript != nil {
-		transcript.Write(data)
-	}
-
-	return m, nil
-}

common/ktls/ktls_linux.go

@@ -1,311 +0,0 @@
-//go:build linux && go1.25 && !without_badtls
-
-package ktls
-
-import (
-	"crypto/tls"
-	"errors"
-	"io"
-	"os"
-	"strings"
-	"sync"
-	"syscall"
-	"unsafe"
-
-	"github.com/sagernet/sing/common/control"
-	E "github.com/sagernet/sing/common/exceptions"
-
-	"github.com/blang/semver/v4"
-	"golang.org/x/sys/unix"
-)
-
-// mod from https://gitlab.com/go-extension/tls
-
-const (
-	TLS_TX               = 1
-	TLS_RX               = 2
-	TLS_TX_ZEROCOPY_RO   = 3 // TX zerocopy (only sendfile now)
-	TLS_RX_EXPECT_NO_PAD = 4 // Attempt opportunistic zero-copy, TLS 1.3 only
-
-	TLS_SET_RECORD_TYPE = 1
-	TLS_GET_RECORD_TYPE = 2
-)
-
-type Support struct {
-	TLS, TLS_RX                     bool
-	TLS_Version13, TLS_Version13_RX bool
-
-	TLS_TX_ZEROCOPY  bool
-	TLS_RX_NOPADDING bool
-
-	TLS_AES_256_GCM       bool
-	TLS_AES_128_CCM       bool
-	TLS_CHACHA20_POLY1305 bool
-	TLS_SM4               bool
-	TLS_ARIA_GCM          bool
-
-	TLS_Version13_KeyUpdate bool
-}
-
-var KernelSupport = sync.OnceValues(func() (*Support, error) {
-	_, err := os.Stat("/sys/module/tls")
-	if err != nil {
-		return nil, E.New("ktls: kernel module tls not found")
-	}
-
-	var uname unix.Utsname
-	err = unix.Uname(&uname)
-	if err != nil {
-		return nil, err
-	}
-
-	kernelVersion, err := semver.Parse(strings.Trim(string(uname.Release[:]), "\x00"))
-	if err != nil {
-		return nil, err
-	}
-	kernelVersion.Pre = nil
-	kernelVersion.Build = nil
-
-	var support Support
-
-	switch {
-	case kernelVersion.GTE(semver.Version{Major: 6, Minor: 14}):
-		support.TLS_Version13_KeyUpdate = true
-		fallthrough
-	case kernelVersion.GTE(semver.Version{Major: 6, Minor: 1}):
-		support.TLS_ARIA_GCM = true
-		fallthrough
-	case kernelVersion.GTE(semver.Version{Major: 6}):
-		support.TLS_Version13_RX = true
-		support.TLS_RX_NOPADDING = true
-		fallthrough
-	case kernelVersion.GTE(semver.Version{Major: 5, Minor: 19}):
-		support.TLS_TX_ZEROCOPY = true
-		fallthrough
-	case kernelVersion.GTE(semver.Version{Major: 5, Minor: 16}):
-		support.TLS_SM4 = true
-		fallthrough
-	case kernelVersion.GTE(semver.Version{Major: 5, Minor: 11}):
-		support.TLS_CHACHA20_POLY1305 = true
-		fallthrough
-	case kernelVersion.GTE(semver.Version{Major: 5, Minor: 2}):
-		support.TLS_AES_128_CCM = true
-		fallthrough
-	case kernelVersion.GTE(semver.Version{Major: 5, Minor: 1}):
-		support.TLS_AES_256_GCM = true
-		support.TLS_Version13 = true
-		fallthrough
-	case kernelVersion.GTE(semver.Version{Major: 4, Minor: 17}):
-		support.TLS_RX = true
-		fallthrough
-	case kernelVersion.GTE(semver.Version{Major: 4, Minor: 13}):
-		support.TLS = true
-	}
-
-	return &support, nil
-})
-
-func (c *Conn) setupKernel(txOffload, rxOffload bool) error {
-	if !txOffload && !rxOffload {
-		return nil
-	}
-	support, err := KernelSupport()
-	if err != nil {
-		return err
-	}
-	if !support.TLS {
-		return nil
-	}
-	c.rawConn.Out.Lock()
-	defer c.rawConn.Out.Unlock()
-	err = control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-		return syscall.SetsockoptString(int(fd), unix.SOL_TCP, unix.TCP_ULP, "tls")
-	})
-	if err != nil {
-		return E.Cause(err, "initialize kernel TLS")
-	}
-
-	if rxOffload {
-		rxCrypto := kernelCipher(support, c.rawConn.In, *c.rawConn.CipherSuite, true)
-		if rxCrypto == nil {
-			return E.New("kTLS: unsupported cipher suite")
-		}
-		err = control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-			return syscall.SetsockoptString(int(fd), unix.SOL_TLS, TLS_RX, rxCrypto.String())
-		})
-		if err != nil {
-			return err
-		}
-		if /*config.KernelRXExpectNoPad &&*/ *c.rawConn.Vers >= tls.VersionTLS13 && support.TLS_RX_NOPADDING {
-			err = control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-				return syscall.SetsockoptInt(int(fd), unix.SOL_TLS, TLS_RX_EXPECT_NO_PAD, 1)
-			})
-			if err != nil {
-				return err
-			}
-		}
-		c.kernelRx = true
-	}
-
-	if txOffload {
-		txCrypto := kernelCipher(support, c.rawConn.Out, *c.rawConn.CipherSuite, false)
-		if txCrypto == nil {
-			return E.New("kTLS: unsupported cipher suite")
-		}
-		err = control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-			return syscall.SetsockoptString(int(fd), unix.SOL_TLS, TLS_TX, txCrypto.String())
-		})
-		if err != nil {
-			return err
-		}
-		if support.TLS_TX_ZEROCOPY {
-			err = control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-				return syscall.SetsockoptInt(int(fd), unix.SOL_TLS, TLS_TX_ZEROCOPY_RO, 1)
-			})
-			if err != nil {
-				return err
-			}
-		}
-		c.kernelTx = true
-	}
-
-	return nil
-}
-
-func (c *Conn) resetupTX() (func() error, error) {
-	if !c.kernelTx {
-		return nil, nil
-	}
-	support, err := KernelSupport()
-	if err != nil {
-		return nil, err
-	}
-	if !support.TLS_Version13_KeyUpdate {
-		return nil, errors.New("ktls: kernel does not support rekey")
-	}
-	txCrypto := kernelCipher(support, c.rawConn.Out, *c.rawConn.CipherSuite, false)
-	if txCrypto == nil {
-		return nil, errors.New("ktls: set kernelCipher on unsupported tls session")
-	}
-	return func() error {
-		return control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-			return syscall.SetsockoptString(int(fd), unix.SOL_TLS, TLS_TX, txCrypto.String())
-		})
-	}, nil
-}
-
-func (c *Conn) resetupRX() error {
-	if !c.kernelRx {
-		return nil
-	}
-	support, err := KernelSupport()
-	if err != nil {
-		return err
-	}
-	if !support.TLS_Version13_KeyUpdate {
-		return errors.New("ktls: kernel does not support rekey")
-	}
-	rxCrypto := kernelCipher(support, c.rawConn.In, *c.rawConn.CipherSuite, true)
-	if rxCrypto == nil {
-		return errors.New("ktls: set kernelCipher on unsupported tls session")
-	}
-	return control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-		return syscall.SetsockoptString(int(fd), unix.SOL_TLS, TLS_RX, rxCrypto.String())
-	})
-}
-
-func (c *Conn) readKernelRecord() (uint8, []byte, error) {
-	if c.rawConn.RawInput.Len() < maxPlaintext {
-		c.rawConn.RawInput.Grow(maxPlaintext - c.rawConn.RawInput.Len())
-	}
-
-	data := c.rawConn.RawInput.Bytes()[:maxPlaintext]
-
-	// cmsg for record type
-	buffer := make([]byte, unix.CmsgSpace(1))
-	cmsg := (*unix.Cmsghdr)(unsafe.Pointer(&buffer[0]))
-	cmsg.SetLen(unix.CmsgLen(1))
-
-	var iov unix.Iovec
-	iov.Base = &data[0]
-	iov.SetLen(len(data))
-
-	var msg unix.Msghdr
-	msg.Control = &buffer[0]
-	msg.Controllen = cmsg.Len
-	msg.Iov = &iov
-	msg.Iovlen = 1
-
-	var n int
-	var err error
-	er := c.rawSyscallConn.Read(func(fd uintptr) bool {
-		n, err = recvmsg(int(fd), &msg, 0)
-		return err != unix.EAGAIN
-	})
-	if er != nil {
-		return 0, nil, er
-	}
-	switch err {
-	case nil:
-	case syscall.EINVAL:
-		return 0, nil, c.rawConn.In.SetErrorLocked(c.sendAlert(alertProtocolVersion))
-	case syscall.EMSGSIZE:
-		return 0, nil, c.rawConn.In.SetErrorLocked(c.sendAlert(alertRecordOverflow))
-	case syscall.EBADMSG:
-		return 0, nil, c.rawConn.In.SetErrorLocked(c.sendAlert(alertDecryptError))
-	default:
-		return 0, nil, err
-	}
-
-	if n <= 0 {
-		return 0, nil, io.EOF
-	}
-
-	if cmsg.Level == unix.SOL_TLS && cmsg.Type == TLS_GET_RECORD_TYPE {
-		typ := buffer[unix.CmsgLen(0)]
-		return typ, data[:n], nil
-	}
-
-	return recordTypeApplicationData, data[:n], nil
-}
-
-func (c *Conn) writeKernelRecord(typ uint16, data []byte) (int, error) {
-	if typ == recordTypeApplicationData {
-		return c.conn.Write(data)
-	}
-
-	// cmsg for record type
-	buffer := make([]byte, unix.CmsgSpace(1))
-	cmsg := (*unix.Cmsghdr)(unsafe.Pointer(&buffer[0]))
-	cmsg.SetLen(unix.CmsgLen(1))
-	buffer[unix.CmsgLen(0)] = byte(typ)
-	cmsg.Level = unix.SOL_TLS
-	cmsg.Type = TLS_SET_RECORD_TYPE
-
-	var iov unix.Iovec
-	iov.Base = &data[0]
-	iov.SetLen(len(data))
-
-	var msg unix.Msghdr
-	msg.Control = &buffer[0]
-	msg.Controllen = cmsg.Len
-	msg.Iov = &iov
-	msg.Iovlen = 1
-
-	var n int
-	var err error
-	ew := c.rawSyscallConn.Write(func(fd uintptr) bool {
-		n, err = sendmsg(int(fd), &msg, 0)
-		return err != unix.EAGAIN
-	})
-	if ew != nil {
-		return 0, ew
-	}
-	return n, err
-}
-
-//go:linkname recvmsg golang.org/x/sys/unix.recvmsg
-func recvmsg(fd int, msg *unix.Msghdr, flags int) (n int, err error)
-
-//go:linkname sendmsg golang.org/x/sys/unix.sendmsg
-func sendmsg(fd int, msg *unix.Msghdr, flags int) (n int, err error)

common/ktls/ktls_prf.go

@@ -1,24 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && !without_badtls
-
-package ktls
-
-import "unsafe"
-
-//go:linkname cipherSuiteByID github.com/metacubex/utls.cipherSuiteByID
-func cipherSuiteByID(id uint16) unsafe.Pointer
-
-//go:linkname keysFromMasterSecret github.com/metacubex/utls.keysFromMasterSecret
-func keysFromMasterSecret(version uint16, suite unsafe.Pointer, masterSecret, clientRandom, serverRandom []byte, macLen, keyLen, ivLen int) (clientMAC, serverMAC, clientKey, serverKey, clientIV, serverIV []byte)
-
-//go:linkname cipherSuiteTLS13ByID github.com/metacubex/utls.cipherSuiteTLS13ByID
-func cipherSuiteTLS13ByID(id uint16) unsafe.Pointer
-
-//go:linkname nextTrafficSecret github.com/metacubex/utls.(*cipherSuiteTLS13).nextTrafficSecret
-func nextTrafficSecret(cs unsafe.Pointer, trafficSecret []byte) []byte
-
-//go:linkname trafficKey github.com/metacubex/utls.(*cipherSuiteTLS13).trafficKey
-func trafficKey(cs unsafe.Pointer, trafficSecret []byte) (key, iv []byte)

common/ktls/ktls_read.go

@@ -1,292 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && !without_badtls
-
-package ktls
-
-import (
-	"bytes"
-	"crypto/tls"
-	"fmt"
-	"io"
-	"net"
-)
-
-func (c *Conn) Read(b []byte) (int, error) {
-	if !c.kernelRx {
-		return c.Conn.Read(b)
-	}
-
-	if len(b) == 0 {
-		// Put this after Handshake, in case people were calling
-		// Read(nil) for the side effect of the Handshake.
-		return 0, nil
-	}
-
-	c.rawConn.In.Lock()
-	defer c.rawConn.In.Unlock()
-
-	for c.rawConn.Input.Len() == 0 {
-		if err := c.readRecord(); err != nil {
-			return 0, err
-		}
-		for c.rawConn.Hand.Len() > 0 {
-			if err := c.handlePostHandshakeMessage(); err != nil {
-				return 0, err
-			}
-		}
-	}
-
-	n, _ := c.rawConn.Input.Read(b)
-
-	// If a close-notify alert is waiting, read it so that we can return (n,
-	// EOF) instead of (n, nil), to signal to the HTTP response reading
-	// goroutine that the connection is now closed. This eliminates a race
-	// where the HTTP response reading goroutine would otherwise not observe
-	// the EOF until its next read, by which time a client goroutine might
-	// have already tried to reuse the HTTP connection for a new request.
-	// See https://golang.org/cl/76400046 and https://golang.org/issue/3514
-	if n != 0 && c.rawConn.Input.Len() == 0 && c.rawConn.RawInput.Len() > 0 &&
-		c.rawConn.RawInput.Bytes()[0] == recordTypeAlert {
-		if err := c.readRecord(); err != nil {
-			return n, err // will be io.EOF on closeNotify
-		}
-	}
-
-	return n, nil
-}
-
-func (c *Conn) readRecord() error {
-	if *c.rawConn.In.Err != nil {
-		return *c.rawConn.In.Err
-	}
-
-	typ, data, err := c.readRawRecord()
-	if err != nil {
-		return err
-	}
-
-	if len(data) > maxPlaintext {
-		return c.rawConn.In.SetErrorLocked(c.sendAlert(alertRecordOverflow))
-	}
-
-	// Application Data messages are always protected.
-	if c.rawConn.In.Cipher == nil && typ == recordTypeApplicationData {
-		return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-	}
-
-	//if typ != recordTypeAlert && typ != recordTypeChangeCipherSpec && len(data) > 0 {
-	// This is a state-advancing message: reset the retry count.
-	// c.retryCount = 0
-	//}
-
-	// Handshake messages MUST NOT be interleaved with other record types in TLS 1.3.
-	if *c.rawConn.Vers == tls.VersionTLS13 && typ != recordTypeHandshake && c.rawConn.Hand.Len() > 0 {
-		return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-	}
-
-	switch typ {
-	default:
-		return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-	case recordTypeAlert:
-		//if c.quic != nil {
-		//	return c.rawConn.In.setErrorLocked(c.sendAlert(alertUnexpectedMessage))
-		//}
-		if len(data) != 2 {
-			return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-		}
-		if data[1] == alertCloseNotify {
-			return c.rawConn.In.SetErrorLocked(io.EOF)
-		}
-		if *c.rawConn.Vers == tls.VersionTLS13 {
-			// TLS 1.3 removed warning-level alerts except for alertUserCanceled
-			// (RFC 8446, § 6.1). Since at least one major implementation
-			// (https://bugs.openjdk.org/browse/JDK-8323517) misuses this alert,
-			// many TLS stacks now ignore it outright when seen in a TLS 1.3
-			// handshake (e.g. BoringSSL, NSS, Rustls).
-			if data[1] == alertUserCanceled {
-				// Like TLS 1.2 alertLevelWarning alerts, we drop the record and retry.
-				return c.retryReadRecord( /*expectChangeCipherSpec*/ )
-			}
-			return c.rawConn.In.SetErrorLocked(&net.OpError{Op: "remote error", Err: tls.AlertError(data[1])})
-		}
-		switch data[0] {
-		case alertLevelWarning:
-			// Drop the record on the floor and retry.
-			return c.retryReadRecord( /*expectChangeCipherSpec*/ )
-		case alertLevelError:
-			return c.rawConn.In.SetErrorLocked(&net.OpError{Op: "remote error", Err: tls.AlertError(data[1])})
-		default:
-			return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-		}
-
-	case recordTypeChangeCipherSpec:
-		if len(data) != 1 || data[0] != 1 {
-			return c.rawConn.In.SetErrorLocked(c.sendAlert(alertDecodeError))
-		}
-		// Handshake messages are not allowed to fragment across the CCS.
-		if c.rawConn.Hand.Len() > 0 {
-			return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-		}
-		// In TLS 1.3, change_cipher_spec records are ignored until the
-		// Finished. See RFC 8446, Appendix D.4. Note that according to Section
-		// 5, a server can send a ChangeCipherSpec before its ServerHello, when
-		// c.vers is still unset. That's not useful though and suspicious if the
-		// server then selects a lower protocol version, so don't allow that.
-		if *c.rawConn.Vers == tls.VersionTLS13 {
-			return c.retryReadRecord( /*expectChangeCipherSpec*/ )
-		}
-		// if !expectChangeCipherSpec {
-		return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-		//}
-		//if err := c.rawConn.In.changeCipherSpec(); err != nil {
-		//	return c.rawConn.In.setErrorLocked(c.sendAlert(err.(alert)))
-		//}
-
-	case recordTypeApplicationData:
-		// Some OpenSSL servers send empty records in order to randomize the
-		// CBC RawIV. Ignore a limited number of empty records.
-		if len(data) == 0 {
-			return c.retryReadRecord( /*expectChangeCipherSpec*/ )
-		}
-		// Note that data is owned by c.rawInput, following the Next call above,
-		// to avoid copying the plaintext. This is safe because c.rawInput is
-		// not read from or written to until c.input is drained.
-		c.rawConn.Input.Reset(data)
-	case recordTypeHandshake:
-		if len(data) == 0 {
-			return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-		}
-		c.rawConn.Hand.Write(data)
-	}
-
-	return nil
-}
-
-//nolint:staticcheck
-func (c *Conn) readRawRecord() (typ uint8, data []byte, err error) {
-	// Read from kernel.
-	if c.kernelRx {
-		return c.readKernelRecord()
-	}
-
-	// Read header, payload.
-	if err = c.readFromUntil(c.conn, recordHeaderLen); err != nil {
-		// RFC 8446, Section 6.1 suggests that EOF without an alertCloseNotify
-		// is an error, but popular web sites seem to do this, so we accept it
-		// if and only if at the record boundary.
-		if err == io.ErrUnexpectedEOF && c.rawConn.RawInput.Len() == 0 {
-			err = io.EOF
-		}
-		if e, ok := err.(net.Error); !ok || !e.Temporary() {
-			c.rawConn.In.SetErrorLocked(err)
-		}
-		return
-	}
-	hdr := c.rawConn.RawInput.Bytes()[:recordHeaderLen]
-	typ = hdr[0]
-
-	vers := uint16(hdr[1])<<8 | uint16(hdr[2])
-	expectedVers := *c.rawConn.Vers
-	if expectedVers == tls.VersionTLS13 {
-		// All TLS 1.3 records are expected to have 0x0303 (1.2) after
-		// the initial hello (RFC 8446 Section 5.1).
-		expectedVers = tls.VersionTLS12
-	}
-	n := int(hdr[3])<<8 | int(hdr[4])
-	if /*c.haveVers && */ vers != expectedVers {
-		c.sendAlert(alertProtocolVersion)
-		msg := fmt.Sprintf("received record with version %x when expecting version %x", vers, expectedVers)
-		err = c.rawConn.In.SetErrorLocked(c.newRecordHeaderError(nil, msg))
-		return
-	}
-	//if !c.haveVers {
-	//	// First message, be extra suspicious: this might not be a TLS
-	//	// client. Bail out before reading a full 'body', if possible.
-	//	// The current max version is 3.3 so if the version is >= 16.0,
-	//	// it's probably not real.
-	//	if (typ != recordTypeAlert && typ != recordTypeHandshake) || vers >= 0x1000 {
-	//		err = c.rawConn.In.SetErrorLocked(c.newRecordHeaderError(c.conn, "first record does not look like a TLS handshake"))
-	//		return
-	//	}
-	//}
-	if *c.rawConn.Vers == tls.VersionTLS13 && n > maxCiphertextTLS13 || n > maxCiphertext {
-		c.sendAlert(alertRecordOverflow)
-		msg := fmt.Sprintf("oversized record received with length %d", n)
-		err = c.rawConn.In.SetErrorLocked(c.newRecordHeaderError(nil, msg))
-		return
-	}
-	if err = c.readFromUntil(c.conn, recordHeaderLen+n); err != nil {
-		if e, ok := err.(net.Error); !ok || !e.Temporary() {
-			c.rawConn.In.SetErrorLocked(err)
-		}
-		return
-	}
-
-	// Process message.
-	record := c.rawConn.RawInput.Next(recordHeaderLen + n)
-	data, typ, err = c.rawConn.In.Decrypt(record)
-	if err != nil {
-		err = c.rawConn.In.SetErrorLocked(c.sendAlert(uint8(err.(tls.AlertError))))
-		return
-	}
-	return
-}
-
-// retryReadRecord recurs into readRecordOrCCS to drop a non-advancing record, like
-// a warning alert, empty application_data, or a change_cipher_spec in TLS 1.3.
-func (c *Conn) retryReadRecord( /*expectChangeCipherSpec bool*/ ) error {
-	//c.retryCount++
-	//if c.retryCount > maxUselessRecords {
-	//	c.sendAlert(alertUnexpectedMessage)
-	//	return c.in.setErrorLocked(errors.New("tls: too many ignored records"))
-	//}
-	return c.readRecord( /*expectChangeCipherSpec*/ )
-}
-
-// atLeastReader reads from R, stopping with EOF once at least N bytes have been
-// read. It is different from an io.LimitedReader in that it doesn't cut short
-// the last Read call, and in that it considers an early EOF an error.
-type atLeastReader struct {
-	R io.Reader
-	N int64
-}
-
-func (r *atLeastReader) Read(p []byte) (int, error) {
-	if r.N <= 0 {
-		return 0, io.EOF
-	}
-	n, err := r.R.Read(p)
-	r.N -= int64(n) // won't underflow unless len(p) >= n > 9223372036854775809
-	if r.N > 0 && err == io.EOF {
-		return n, io.ErrUnexpectedEOF
-	}
-	if r.N <= 0 && err == nil {
-		return n, io.EOF
-	}
-	return n, err
-}
-
-// readFromUntil reads from r into c.rawConn.RawInput until c.rawConn.RawInput contains
-// at least n bytes or else returns an error.
-func (c *Conn) readFromUntil(r io.Reader, n int) error {
-	if c.rawConn.RawInput.Len() >= n {
-		return nil
-	}
-	needs := n - c.rawConn.RawInput.Len()
-	// There might be extra input waiting on the wire. Make a best effort
-	// attempt to fetch it so that it can be used in (*Conn).Read to
-	// "predict" closeNotify alerts.
-	c.rawConn.RawInput.Grow(needs + bytes.MinRead)
-	_, err := c.rawConn.RawInput.ReadFrom(&atLeastReader{r, int64(needs)})
-	return err
-}
-
-func (c *Conn) newRecordHeaderError(conn net.Conn, msg string) (err tls.RecordHeaderError) {
-	err.Msg = msg
-	err.Conn = conn
-	copy(err.RecordHeader[:], c.rawConn.RawInput.Bytes())
-	return err
-}

common/ktls/ktls_read_wait.go

@@ -1,41 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && !without_badtls
-
-package ktls
-
-import (
-	"github.com/sagernet/sing/common/buf"
-	N "github.com/sagernet/sing/common/network"
-)
-
-func (c *Conn) InitializeReadWaiter(options N.ReadWaitOptions) (needCopy bool) {
-	c.readWaitOptions = options
-	return false
-}
-
-func (c *Conn) WaitReadBuffer() (buffer *buf.Buffer, err error) {
-	c.rawConn.In.Lock()
-	defer c.rawConn.In.Unlock()
-	for c.rawConn.Input.Len() == 0 {
-		err = c.readRecord()
-		if err != nil {
-			return
-		}
-	}
-	buffer = c.readWaitOptions.NewBuffer()
-	n, err := c.rawConn.Input.Read(buffer.FreeBytes())
-	if err != nil {
-		buffer.Release()
-		return
-	}
-	buffer.Truncate(n)
-	if n != 0 && c.rawConn.Input.Len() == 0 && c.rawConn.Input.Len() > 0 &&
-		c.rawConn.RawInput.Bytes()[0] == recordTypeAlert {
-		_ = c.rawConn.ReadRecord()
-	}
-	c.readWaitOptions.PostReturn(buffer)
-	return
-}

common/ktls/ktls_stub.go

@@ -1,13 +0,0 @@
-//go:build !linux || !go1.25 || without_badtls
-
-package ktls
-
-import (
-	"os"
-
-	aTLS "github.com/sagernet/sing/common/tls"
-)
-
-func NewConn(conn aTLS.Conn, txOffload, rxOffload bool) (aTLS.Conn, error) {
-	return nil, os.ErrInvalid
-}

common/ktls/ktls_write.go

@@ -1,154 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && !without_badtls
-
-package ktls
-
-import (
-	"crypto/cipher"
-	"crypto/tls"
-	"errors"
-	"net"
-)
-
-func (c *Conn) Write(b []byte) (int, error) {
-	if !c.kernelTx {
-		return c.Conn.Write(b)
-	}
-	// interlock with Close below
-	for {
-		x := c.rawConn.ActiveCall.Load()
-		if x&1 != 0 {
-			return 0, net.ErrClosed
-		}
-		if c.rawConn.ActiveCall.CompareAndSwap(x, x+2) {
-			break
-		}
-	}
-	defer c.rawConn.ActiveCall.Add(-2)
-
-	//if err := c.Conn.HandshakeContext(context.Background()); err != nil {
-	//	return 0, err
-	//}
-
-	c.rawConn.Out.Lock()
-	defer c.rawConn.Out.Unlock()
-
-	if err := *c.rawConn.Out.Err; err != nil {
-		return 0, err
-	}
-
-	if !c.rawConn.IsHandshakeComplete.Load() {
-		return 0, tls.AlertError(alertInternalError)
-	}
-
-	if *c.rawConn.CloseNotifySent {
-		// return 0, errShutdown
-		return 0, errors.New("tls: protocol is shutdown")
-	}
-
-	// TLS 1.0 is susceptible to a chosen-plaintext
-	// attack when using block mode ciphers due to predictable IVs.
-	// This can be prevented by splitting each Application Data
-	// record into two records, effectively randomizing the RawIV.
-	//
-	// https://www.openssl.org/~bodo/tls-cbc.txt
-	// https://bugzilla.mozilla.org/show_bug.cgi?id=665814
-	// https://www.imperialviolet.org/2012/01/15/beastfollowup.html
-
-	var m int
-	if len(b) > 1 && *c.rawConn.Vers == tls.VersionTLS10 {
-		if _, ok := (*c.rawConn.Out.Cipher).(cipher.BlockMode); ok {
-			n, err := c.writeRecordLocked(recordTypeApplicationData, b[:1])
-			if err != nil {
-				return n, c.rawConn.Out.SetErrorLocked(err)
-			}
-			m, b = 1, b[1:]
-		}
-	}
-
-	n, err := c.writeRecordLocked(recordTypeApplicationData, b)
-	return n + m, c.rawConn.Out.SetErrorLocked(err)
-}
-
-func (c *Conn) writeRecordLocked(typ uint16, data []byte) (n int, err error) {
-	if !c.kernelTx {
-		return c.rawConn.WriteRecordLocked(typ, data)
-	}
-	/*for len(data) > 0 {
-		m := len(data)
-		if maxPayload := c.maxPayloadSizeForWrite(typ); m > maxPayload {
-			m = maxPayload
-		}
-		_, err = c.writeKernelRecord(typ, data[:m])
-		if err != nil {
-			return
-		}
-		n += m
-		data = data[m:]
-	}*/
-	return c.writeKernelRecord(typ, data)
-}
-
-const (
-	// tcpMSSEstimate is a conservative estimate of the TCP maximum segment
-	// size (MSS). A constant is used, rather than querying the kernel for
-	// the actual MSS, to avoid complexity. The value here is the IPv6
-	// minimum MTU (1280 bytes) minus the overhead of an IPv6 header (40
-	// bytes) and a TCP header with timestamps (32 bytes).
-	tcpMSSEstimate = 1208
-
-	// recordSizeBoostThreshold is the number of bytes of application data
-	// sent after which the TLS record size will be increased to the
-	// maximum.
-	recordSizeBoostThreshold = 128 * 1024
-)
-
-func (c *Conn) maxPayloadSizeForWrite(typ uint16) int {
-	if /*c.config.DynamicRecordSizingDisabled ||*/ typ != recordTypeApplicationData {
-		return maxPlaintext
-	}
-
-	if *c.rawConn.PacketsSent >= recordSizeBoostThreshold {
-		return maxPlaintext
-	}
-
-	// Subtract TLS overheads to get the maximum payload size.
-	payloadBytes := tcpMSSEstimate - recordHeaderLen - c.rawConn.Out.ExplicitNonceLen()
-	if rawCipher := *c.rawConn.Out.Cipher; rawCipher != nil {
-		switch ciph := rawCipher.(type) {
-		case cipher.Stream:
-			payloadBytes -= (*c.rawConn.Out.Mac).Size()
-		case cipher.AEAD:
-			payloadBytes -= ciph.Overhead()
-		/*case cbcMode:
-		blockSize := ciph.BlockSize()
-		// The payload must fit in a multiple of blockSize, with
-		// room for at least one padding byte.
-		payloadBytes = (payloadBytes & ^(blockSize - 1)) - 1
-		// The RawMac is appended before padding so affects the
-		// payload size directly.
-		payloadBytes -= c.out.mac.Size()*/
-		default:
-			panic("unknown cipher type")
-		}
-	}
-	if *c.rawConn.Vers == tls.VersionTLS13 {
-		payloadBytes-- // encrypted ContentType
-	}
-
-	// Allow packet growth in arithmetic progression up to max.
-	pkt := *c.rawConn.PacketsSent
-	*c.rawConn.PacketsSent++
-	if pkt > 1000 {
-		return maxPlaintext // avoid overflow in multiply below
-	}
-
-	n := payloadBytes * int(pkt+1)
-	if n > maxPlaintext {
-		n = maxPlaintext
-	}
-	return n
-}

common/listener/listener.go

@@ -4,8 +4,6 @@ import (
 	"context"
 	"net"
 	"net/netip"
-	"runtime"
-	"strings"
 	"sync/atomic"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -16,8 +14,6 @@ import (
 	"github.com/sagernet/sing/common/logger"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
-
-	"github.com/vishvananda/netns"
 )
 
 type Listener struct {
@@ -32,7 +28,6 @@ type Listener struct {
 	disablePacketOutput      bool
 	setSystemProxy           bool
 	systemProxySOCKS         bool
-	tproxy                   bool
 
 	tcpListener          net.Listener
 	systemProxy          settings.SystemProxy
@@ -55,7 +50,6 @@ type Options struct {
 	DisablePacketOutput      bool
 	SetSystemProxy           bool
 	SystemProxySOCKS         bool
-	TProxy                   bool
 }
 
 func New(
@@ -73,7 +67,6 @@ func New(
 		disablePacketOutput:      options.DisablePacketOutput,
 		setSystemProxy:           options.SetSystemProxy,
 		systemProxySOCKS:         options.SystemProxySOCKS,
-		tproxy:                   options.TProxy,
 	}
 }
 
@@ -142,30 +135,3 @@ func (l *Listener) UDPConn() *net.UDPConn {
 func (l *Listener) ListenOptions() option.ListenOptions {
 	return l.listenOptions
 }
-
-func ListenNetworkNamespace[T any](nameOrPath string, block func() (T, error)) (T, error) {
-	if nameOrPath != "" {
-		runtime.LockOSThread()
-		defer runtime.UnlockOSThread()
-		currentNs, err := netns.Get()
-		if err != nil {
-			return common.DefaultValue[T](), E.Cause(err, "get current netns")
-		}
-		defer netns.Set(currentNs)
-		var targetNs netns.NsHandle
-		if strings.HasPrefix(nameOrPath, "/") {
-			targetNs, err = netns.GetFromPath(nameOrPath)
-		} else {
-			targetNs, err = netns.GetFromName(nameOrPath)
-		}
-		if err != nil {
-			return common.DefaultValue[T](), E.Cause(err, "get netns ", nameOrPath)
-		}
-		defer targetNs.Close()
-		err = netns.Set(targetNs)
-		if err != nil {
-			return common.DefaultValue[T](), E.Cause(err, "set netns to ", nameOrPath)
-		}
-	}
-	return block()
-}

common/listener/listener_tcp.go

@@ -3,39 +3,23 @@ package listener
 import (
 	"net"
 	"net/netip"
-	"syscall"
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/common/redir"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing/common/control"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
-	"github.com/sagernet/sing/service"
 
 	"github.com/metacubex/tfo-go"
 )
 
 func (l *Listener) ListenTCP() (net.Listener, error) {
-	//nolint:staticcheck
-	if l.listenOptions.ProxyProtocol || l.listenOptions.ProxyProtocolAcceptNoHeader {
-		return nil, E.New("Proxy Protocol is deprecated and removed in sing-box 1.6.0")
-	}
 	var err error
 	bindAddr := M.SocksaddrFrom(l.listenOptions.Listen.Build(netip.AddrFrom4([4]byte{127, 0, 0, 1})), l.listenOptions.ListenPort)
+	var tcpListener net.Listener
 	var listenConfig net.ListenConfig
-	if l.listenOptions.BindInterface != "" {
-		listenConfig.Control = control.Append(listenConfig.Control, control.BindToInterface(service.FromContext[adapter.NetworkManager](l.ctx).InterfaceFinder(), l.listenOptions.BindInterface, -1))
-	}
-	if l.listenOptions.RoutingMark != 0 {
-		listenConfig.Control = control.Append(listenConfig.Control, control.RoutingMark(uint32(l.listenOptions.RoutingMark)))
-	}
-	if l.listenOptions.ReuseAddr {
-		listenConfig.Control = control.Append(listenConfig.Control, control.ReuseAddr())
-	}
 	if l.listenOptions.TCPKeepAlive >= 0 {
 		keepIdle := time.Duration(l.listenOptions.TCPKeepAlive)
 		if keepIdle == 0 {
@@ -53,26 +37,20 @@ func (l *Listener) ListenTCP() (net.Listener, error) {
 		}
 		setMultiPathTCP(&listenConfig)
 	}
-	if l.tproxy {
-		listenConfig.Control = control.Append(listenConfig.Control, func(network, address string, conn syscall.RawConn) error {
-			return control.Raw(conn, func(fd uintptr) error {
-				return redir.TProxy(fd, !M.ParseSocksaddr(address).IsIPv4(), false)
-			})
-		})
-	}
-	tcpListener, err := ListenNetworkNamespace[net.Listener](l.listenOptions.NetNs, func() (net.Listener, error) {
 	if l.listenOptions.TCPFastOpen {
 		var tfoConfig tfo.ListenConfig
 		tfoConfig.ListenConfig = listenConfig
-			return tfoConfig.Listen(l.ctx, M.NetworkFromNetAddr(N.NetworkTCP, bindAddr.Addr), bindAddr.String())
+		tcpListener, err = tfoConfig.Listen(l.ctx, M.NetworkFromNetAddr(N.NetworkTCP, bindAddr.Addr), bindAddr.String())
 	} else {
-			return listenConfig.Listen(l.ctx, M.NetworkFromNetAddr(N.NetworkTCP, bindAddr.Addr), bindAddr.String())
-		}
-	})
-	if err != nil {
-		return nil, err
+		tcpListener, err = listenConfig.Listen(l.ctx, M.NetworkFromNetAddr(N.NetworkTCP, bindAddr.Addr), bindAddr.String())
 	}
+	if err == nil {
 		l.logger.Info("tcp server started at ", tcpListener.Addr())
+	}
+	//nolint:staticcheck
+	if l.listenOptions.ProxyProtocol || l.listenOptions.ProxyProtocolAcceptNoHeader {
+		return nil, E.New("Proxy Protocol is deprecated and removed in sing-box 1.6.0")
+	}
 	l.tcpListener = tcpListener
 	return tcpListener, err
 }

common/listener/listener_udp.go

@@ -1,34 +1,20 @@
 package listener
 
 import (
-	"context"
 	"net"
 	"net/netip"
 	"os"
-	"syscall"
 
-	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/common/redir"
 	"github.com/sagernet/sing/common/buf"
 	"github.com/sagernet/sing/common/control"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
-	"github.com/sagernet/sing/service"
 )
 
 func (l *Listener) ListenUDP() (net.PacketConn, error) {
 	bindAddr := M.SocksaddrFrom(l.listenOptions.Listen.Build(netip.AddrFrom4([4]byte{127, 0, 0, 1})), l.listenOptions.ListenPort)
-	var listenConfig net.ListenConfig
-	if l.listenOptions.BindInterface != "" {
-		listenConfig.Control = control.Append(listenConfig.Control, control.BindToInterface(service.FromContext[adapter.NetworkManager](l.ctx).InterfaceFinder(), l.listenOptions.BindInterface, -1))
-	}
-	if l.listenOptions.RoutingMark != 0 {
-		listenConfig.Control = control.Append(listenConfig.Control, control.RoutingMark(uint32(l.listenOptions.RoutingMark)))
-	}
-	if l.listenOptions.ReuseAddr {
-		listenConfig.Control = control.Append(listenConfig.Control, control.ReuseAddr())
-	}
+	var lc net.ListenConfig
 	var udpFragment bool
 	if l.listenOptions.UDPFragment != nil {
 		udpFragment = *l.listenOptions.UDPFragment
@@ -36,18 +22,9 @@ func (l *Listener) ListenUDP() (net.PacketConn, error) {
 		udpFragment = l.listenOptions.UDPFragmentDefault
 	}
 	if !udpFragment {
-		listenConfig.Control = control.Append(listenConfig.Control, control.DisableUDPFragment())
+		lc.Control = control.Append(lc.Control, control.DisableUDPFragment())
 	}
-	if l.tproxy {
-		listenConfig.Control = control.Append(listenConfig.Control, func(network, address string, conn syscall.RawConn) error {
-			return control.Raw(conn, func(fd uintptr) error {
-				return redir.TProxy(fd, !M.ParseSocksaddr(address).IsIPv4(), true)
-			})
-		})
-	}
-	udpConn, err := ListenNetworkNamespace[net.PacketConn](l.listenOptions.NetNs, func() (net.PacketConn, error) {
-		return listenConfig.ListenPacket(l.ctx, M.NetworkFromNetAddr(N.NetworkUDP, bindAddr.Addr), bindAddr.String())
-	})
+	udpConn, err := lc.ListenPacket(l.ctx, M.NetworkFromNetAddr(N.NetworkUDP, bindAddr.Addr), bindAddr.String())
 	if err != nil {
 		return nil, err
 	}
@@ -57,36 +34,6 @@ func (l *Listener) ListenUDP() (net.PacketConn, error) {
 	return udpConn, err
 }
 
-func (l *Listener) DialContext(dialer net.Dialer, ctx context.Context, network string, address string) (net.Conn, error) {
-	return ListenNetworkNamespace[net.Conn](l.listenOptions.NetNs, func() (net.Conn, error) {
-		if l.listenOptions.BindInterface != "" {
-			dialer.Control = control.Append(dialer.Control, control.BindToInterface(service.FromContext[adapter.NetworkManager](l.ctx).InterfaceFinder(), l.listenOptions.BindInterface, -1))
-		}
-		if l.listenOptions.RoutingMark != 0 {
-			dialer.Control = control.Append(dialer.Control, control.RoutingMark(uint32(l.listenOptions.RoutingMark)))
-		}
-		if l.listenOptions.ReuseAddr {
-			dialer.Control = control.Append(dialer.Control, control.ReuseAddr())
-		}
-		return dialer.DialContext(ctx, network, address)
-	})
-}
-
-func (l *Listener) ListenPacket(listenConfig net.ListenConfig, ctx context.Context, network string, address string) (net.PacketConn, error) {
-	return ListenNetworkNamespace[net.PacketConn](l.listenOptions.NetNs, func() (net.PacketConn, error) {
-		if l.listenOptions.BindInterface != "" {
-			listenConfig.Control = control.Append(listenConfig.Control, control.BindToInterface(service.FromContext[adapter.NetworkManager](l.ctx).InterfaceFinder(), l.listenOptions.BindInterface, -1))
-		}
-		if l.listenOptions.RoutingMark != 0 {
-			listenConfig.Control = control.Append(listenConfig.Control, control.RoutingMark(uint32(l.listenOptions.RoutingMark)))
-		}
-		if l.listenOptions.ReuseAddr {
-			listenConfig.Control = control.Append(listenConfig.Control, control.ReuseAddr())
-		}
-		return listenConfig.ListenPacket(ctx, network, address)
-	})
-}
-
 func (l *Listener) UDPAddr() M.Socksaddr {
 	return l.udpAddr
 }
@@ -164,8 +111,9 @@ func (l *Listener) loopUDPOut() {
 				if l.shutdown.Load() && E.IsClosed(err) {
 					return
 				}
+				l.udpConn.Close()
 				l.logger.Error("udp listener write back: ", destination, ": ", err)
-				continue
+				return
 			}
 			continue
 		case <-l.packetOutboundClosed:

common/process/searcher.go

@@ -23,7 +23,6 @@ type Config struct {
 }
 
 type Info struct {
-	ProcessID   uint32
 	ProcessPath string
 	PackageName string
 	User        string

common/process/searcher_darwin.go

@@ -76,8 +76,6 @@ func findProcessName(network string, ip netip.Addr, port int) (string, error) {
 		// rup8(sizeof(xtcpcb_n))
 		itemSize += 208
 	}
-
-	var fallbackUDPProcess string
 	// skip the first xinpgen(24 bytes) block
 	for i := 24; i+itemSize <= len(buf); i += itemSize {
 		// offset of xinpcb_n and xsocket_n
@@ -92,36 +90,26 @@ func findProcessName(network string, ip netip.Addr, port int) (string, error) {
 		flag := buf[inp+44]
 
 		var srcIP netip.Addr
-		srcIsIPv4 := false
 		switch {
 		case flag&0x1 > 0 && isIPv4:
 			// ipv4
-			srcIP = netip.AddrFrom4([4]byte(buf[inp+76 : inp+80]))
-			srcIsIPv4 = true
+			srcIP = netip.AddrFrom4(*(*[4]byte)(buf[inp+76 : inp+80]))
 		case flag&0x2 > 0 && !isIPv4:
 			// ipv6
-			srcIP = netip.AddrFrom16([16]byte(buf[inp+64 : inp+80]))
+			srcIP = netip.AddrFrom16(*(*[16]byte)(buf[inp+64 : inp+80]))
 		default:
 			continue
 		}
 
-		if ip == srcIP {
+		if ip != srcIP {
+			continue
+		}
+
 		// xsocket_n.so_last_pid
 		pid := readNativeUint32(buf[so+68 : so+72])
 		return getExecPathFromPID(pid)
 	}
 
-		// udp packet connection may be not equal with srcIP
-		if network == N.NetworkUDP && srcIP.IsUnspecified() && isIPv4 == srcIsIPv4 {
-			pid := readNativeUint32(buf[so+68 : so+72])
-			fallbackUDPProcess, _ = getExecPathFromPID(pid)
-		}
-	}
-
-	if network == N.NetworkUDP && len(fallbackUDPProcess) > 0 {
-		return fallbackUDPProcess, nil
-	}
-
 	return "", ErrNotFound
 }
 

common/process/searcher_windows.go

@@ -2,11 +2,14 @@ package process
 
 import (
 	"context"
+	"fmt"
 	"net/netip"
+	"os"
 	"syscall"
+	"unsafe"
 
 	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/winiphlpapi"
+	N "github.com/sagernet/sing/common/network"
 
 	"golang.org/x/sys/windows"
 )
@@ -23,39 +26,209 @@ func NewSearcher(_ Config) (Searcher, error) {
 	return &windowsSearcher{}, nil
 }
 
+var (
+	modiphlpapi                    = windows.NewLazySystemDLL("iphlpapi.dll")
+	procGetExtendedTcpTable        = modiphlpapi.NewProc("GetExtendedTcpTable")
+	procGetExtendedUdpTable        = modiphlpapi.NewProc("GetExtendedUdpTable")
+	modkernel32                    = windows.NewLazySystemDLL("kernel32.dll")
+	procQueryFullProcessImageNameW = modkernel32.NewProc("QueryFullProcessImageNameW")
+)
+
 func initWin32API() error {
-	return winiphlpapi.LoadExtendedTable()
+	err := modiphlpapi.Load()
+	if err != nil {
+		return E.Cause(err, "load iphlpapi.dll")
+	}
+
+	err = procGetExtendedTcpTable.Find()
+	if err != nil {
+		return E.Cause(err, "load iphlpapi::GetExtendedTcpTable")
+	}
+
+	err = procGetExtendedUdpTable.Find()
+	if err != nil {
+		return E.Cause(err, "load iphlpapi::GetExtendedUdpTable")
+	}
+
+	err = modkernel32.Load()
+	if err != nil {
+		return E.Cause(err, "load kernel32.dll")
+	}
+
+	err = procQueryFullProcessImageNameW.Find()
+	if err != nil {
+		return E.Cause(err, "load kernel32::QueryFullProcessImageNameW")
+	}
+
+	return nil
 }
 
 func (s *windowsSearcher) FindProcessInfo(ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*Info, error) {
-	pid, err := winiphlpapi.FindPid(network, source)
+	processName, err := findProcessName(network, source.Addr(), int(source.Port()))
 	if err != nil {
 		return nil, err
 	}
-	path, err := getProcessPath(pid)
-	if err != nil {
-		return &Info{ProcessID: pid, UserId: -1}, err
-	}
-	return &Info{ProcessID: pid, ProcessPath: path, UserId: -1}, nil
+	return &Info{ProcessPath: processName, UserId: -1}, nil
 }
 
-func getProcessPath(pid uint32) (string, error) {
+func findProcessName(network string, ip netip.Addr, srcPort int) (string, error) {
+	family := windows.AF_INET
+	if ip.Is6() {
+		family = windows.AF_INET6
+	}
+
+	const (
+		tcpTablePidConn = 4
+		udpTablePid     = 1
+	)
+
+	var class int
+	var fn uintptr
+	switch network {
+	case N.NetworkTCP:
+		fn = procGetExtendedTcpTable.Addr()
+		class = tcpTablePidConn
+	case N.NetworkUDP:
+		fn = procGetExtendedUdpTable.Addr()
+		class = udpTablePid
+	default:
+		return "", os.ErrInvalid
+	}
+
+	buf, err := getTransportTable(fn, family, class)
+	if err != nil {
+		return "", err
+	}
+
+	s := newSearcher(family == windows.AF_INET, network == N.NetworkTCP)
+
+	pid, err := s.Search(buf, ip, uint16(srcPort))
+	if err != nil {
+		return "", err
+	}
+	return getExecPathFromPID(pid)
+}
+
+type searcher struct {
+	itemSize int
+	port     int
+	ip       int
+	ipSize   int
+	pid      int
+	tcpState int
+}
+
+func (s *searcher) Search(b []byte, ip netip.Addr, port uint16) (uint32, error) {
+	n := int(readNativeUint32(b[:4]))
+	itemSize := s.itemSize
+	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)
+		//       big  endian: [  0   0  MSB LSB ]   interpret as native uint32 is ((MSB<<8)|LSB)
+		// so we need an syscall.Ntohs on the lower 16 bits after read the port as native uint32
+		srcPort := syscall.Ntohs(uint16(readNativeUint32(row[s.port : s.port+4])))
+		if srcPort != port {
+			continue
+		}
+
+		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) {
+			continue
+		}
+
+		pid := readNativeUint32(row[s.pid : s.pid+4])
+		return pid, nil
+	}
+	return 0, ErrNotFound
+}
+
+func newSearcher(isV4, isTCP bool) *searcher {
+	var itemSize, port, ip, ipSize, pid int
+	tcpState := -1
+	switch {
+	case isV4 && isTCP:
+		// struct MIB_TCPROW_OWNER_PID
+		itemSize, port, ip, ipSize, pid, tcpState = 24, 8, 4, 4, 20, 0
+	case isV4 && !isTCP:
+		// struct MIB_UDPROW_OWNER_PID
+		itemSize, port, ip, ipSize, pid = 12, 4, 0, 4, 8
+	case !isV4 && isTCP:
+		// struct MIB_TCP6ROW_OWNER_PID
+		itemSize, port, ip, ipSize, pid, tcpState = 56, 20, 0, 16, 52, 48
+	case !isV4 && !isTCP:
+		// struct MIB_UDP6ROW_OWNER_PID
+		itemSize, port, ip, ipSize, pid = 28, 20, 0, 16, 24
+	}
+
+	return &searcher{
+		itemSize: itemSize,
+		port:     port,
+		ip:       ip,
+		ipSize:   ipSize,
+		pid:      pid,
+		tcpState: tcpState,
+	}
+}
+
+func getTransportTable(fn uintptr, family int, class int) ([]byte, error) {
+	for size, buf := uint32(8), make([]byte, 8); ; {
+		ptr := unsafe.Pointer(&buf[0])
+		err, _, _ := syscall.SyscallN(fn, uintptr(ptr), uintptr(unsafe.Pointer(&size)), 0, uintptr(family), uintptr(class), 0)
+
+		switch err {
+		case 0:
+			return buf, nil
+		case uintptr(syscall.ERROR_INSUFFICIENT_BUFFER):
+			buf = make([]byte, size)
+		default:
+			return nil, fmt.Errorf("syscall error: %d", err)
+		}
+	}
+}
+
+func readNativeUint32(b []byte) uint32 {
+	return *(*uint32)(unsafe.Pointer(&b[0]))
+}
+
+func getExecPathFromPID(pid uint32) (string, error) {
+	// kernel process starts with a colon in order to distinguish with normal processes
 	switch pid {
 	case 0:
+		// reserved pid for system idle process
 		return ":System Idle Process", nil
 	case 4:
+		// reserved pid for windows kernel image
 		return ":System", nil
 	}
-	handle, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, pid)
+	h, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, pid)
 	if err != nil {
 		return "", err
 	}
-	defer windows.CloseHandle(handle)
-	size := uint32(syscall.MAX_LONG_PATH)
+	defer windows.CloseHandle(h)
+
 	buf := make([]uint16, syscall.MAX_LONG_PATH)
-	err = windows.QueryFullProcessImageName(handle, 0, &buf[0], &size)
-	if err != nil {
+	size := uint32(len(buf))
+	r1, _, err := syscall.SyscallN(
+		procQueryFullProcessImageNameW.Addr(),
+		uintptr(h),
+		uintptr(0),
+		uintptr(unsafe.Pointer(&buf[0])),
+		uintptr(unsafe.Pointer(&size)),
+	)
+	if r1 == 0 {
 		return "", err
 	}
-	return windows.UTF16ToString(buf[:size]), nil
+	return syscall.UTF16ToString(buf[:size]), nil
 }

common/redir/tproxy_linux.go

@@ -12,7 +12,7 @@ import (
 	"golang.org/x/sys/unix"
 )
 
-func TProxy(fd uintptr, isIPv6 bool, isUDP bool) error {
+func TProxy(fd uintptr, isIPv6 bool) error {
 	err := syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1)
 	if err == nil {
 		err = syscall.SetsockoptInt(int(fd), syscall.SOL_IP, syscall.IP_TRANSPARENT, 1)
@@ -20,14 +20,12 @@ func TProxy(fd uintptr, isIPv6 bool, isUDP bool) error {
 	if err == nil && isIPv6 {
 		err = syscall.SetsockoptInt(int(fd), syscall.SOL_IPV6, unix.IPV6_TRANSPARENT, 1)
 	}
-	if isUDP {
 	if err == nil {
 		err = syscall.SetsockoptInt(int(fd), syscall.SOL_IP, syscall.IP_RECVORIGDSTADDR, 1)
 	}
 	if err == nil && isIPv6 {
 		err = syscall.SetsockoptInt(int(fd), syscall.SOL_IPV6, unix.IPV6_RECVORIGDSTADDR, 1)
 	}
-	}
 	return err
 }
 

common/redir/tproxy_other.go

@@ -9,7 +9,7 @@ import (
 	"github.com/sagernet/sing/common/control"
 )
 
-func TProxy(fd uintptr, isIPv6 bool, isUDP bool) error {
+func TProxy(fd uintptr, isIPv6 bool) error {
 	return os.ErrInvalid
 }
 

common/settings/time_stub.go

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