Add options to custom DNS query timeout

Signed-off-by: yanwo <ogilvy@gmail.com>

.github/CRONET_GO_VERSION

@@ -1 +0,0 @@
-b0385d27c2ab659d9532d71f301deb6599c44a79

.github/setup_legacy_go.sh

@@ -1,27 +1,25 @@
 #!/usr/bin/env bash
 
-VERSION="1.25.5"
+VERSION="1.23.6"
 
 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_win7
+mv go go_legacy
-cd go_win7
+cd go_legacy
 
 # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
-# this patch file only works on golang1.25.x
+# this patch file only works on golang1.23.x
-# that means after golang1.26 release it must be changed
+# that means after golang1.24 release it must be changed
-# see: https://github.com/MetaCubeX/go/commits/release-branch.go1.25/
+# 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"
 
-alias curl='curl -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"'
+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/8cb5472d94c34b88733a81091bd328e70ee565a4.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/6788c4c6f9fafb56729bad6b660f7ee2272d699f.diff | patch --verbose -p 1
+curl https://github.com/MetaCubeX/go/commit/69e2eed6dd0f6d815ebf15797761c13f31213dd6.diff | patch --verbose -p 1
-curl https://github.com/MetaCubeX/go/commit/a5b2168bb836ed9d6601c626f95e56c07923f906.diff | patch --verbose -p 1
-curl https://github.com/MetaCubeX/go/commit/f56f1e23507e646c85243a71bde7b9629b2f970c.diff | patch --verbose -p 1

.github/update_cronet.sh

@@ -1,13 +0,0 @@
-#!/usr/bin/env bash
-
-set -e -o pipefail
-
-SCRIPT_DIR=$(dirname "$0")
-PROJECTS=$SCRIPT_DIR/../..
-
-git -C $PROJECTS/cronet-go fetch origin main
-git -C $PROJECTS/cronet-go fetch origin go
-go get -x github.com/sagernet/cronet-go/all@$(git -C $PROJECTS/cronet-go rev-parse origin/go)
-go get -x github.com/sagernet/cronet-go@$(git -C $PROJECTS/cronet-go rev-parse origin/go)
-go mod tidy
-git -C $PROJECTS/cronet-go rev-parse origin/HEAD > "$SCRIPT_DIR/CRONET_GO_VERSION"

.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: ^1.25.5
+          go-version: ^1.24
       - name: Check input version
         if: github.event_name == 'workflow_dispatch'
         run: |-
@@ -69,25 +69,13 @@ jobs:
     strategy:
       matrix:
         include:
-          - { os: linux, arch: amd64, variant: purego, naive: true, openwrt: "x86_64" }
+          - { os: linux, arch: amd64, debian: amd64, rpm: x86_64, pacman: x86_64, openwrt: "x86_64" }
-          - { os: linux, arch: amd64, variant: glibc, naive: true }
+          - { os: linux, arch: "386", go386: sse2, debian: i386, rpm: i386, openwrt: "i386_pentium4" }
-          - { os: linux, arch: amd64, variant: musl, naive: true, debian: amd64, rpm: x86_64, pacman: x86_64, openwrt: "x86_64" }
-
-          - { os: linux, arch: arm64, variant: purego, naive: true, openwrt: "aarch64_cortex-a53 aarch64_cortex-a72 aarch64_cortex-a76 aarch64_generic" }
-          - { os: linux, arch: arm64, variant: glibc, naive: true }
-          - { os: linux, arch: arm64, variant: musl, naive: true, debian: arm64, rpm: aarch64, pacman: aarch64, openwrt: "aarch64_cortex-a53 aarch64_cortex-a72 aarch64_cortex-a76 aarch64_generic" }
-
-          - { os: linux, arch: "386", go386: sse2, openwrt: "i386_pentium4" }
-          - { os: linux, arch: "386", variant: glibc, naive: true, go386: sse2 }
-          - { os: linux, arch: "386", variant: musl, naive: true, go386: sse2, debian: i386, rpm: i386, openwrt: "i386_pentium4" }
-
-          - { os: linux, arch: arm, goarm: "7", 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: arm, variant: glibc, naive: true, goarm: "7" }
-          - { os: linux, arch: arm, variant: musl, naive: true, 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: "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" }
@@ -99,90 +87,52 @@ jobs:
           - { 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, legacy_win7: true, legacy_name: "windows-7" }
+          - { os: windows, arch: amd64 }
-          - { os: windows, arch: "386", legacy_win7: true, legacy_name: "windows-7" }
+          - { os: windows, arch: amd64, legacy_go: true }
+          - { os: windows, arch: "386" }
+          - { os: windows, arch: "386", legacy_go: true }
+          - { os: windows, arch: arm64 }
 
-          - { os: android, arch: arm64, ndk: "aarch64-linux-android23" }
+          - { os: darwin, arch: amd64 }
-          - { os: android, arch: arm, ndk: "armv7a-linux-androideabi23" }
+          - { os: darwin, arch: arm64 }
-          - { os: android, arch: amd64, ndk: "x86_64-linux-android23" }
+
-          - { os: android, arch: "386", ndk: "i686-linux-android23" }
+          - { os: android, arch: arm64, ndk: "aarch64-linux-android21" }
+          - { os: android, arch: arm, ndk: "armv7a-linux-androideabi21" }
+          - { os: android, arch: amd64, ndk: "x86_64-linux-android21" }
+          - { os: android, arch: "386", ndk: "i686-linux-android21" }
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Setup Go
-        if: ${{ ! (matrix.legacy_win7 || matrix.legacy_go124) }}
+        if: ${{ ! matrix.legacy_go }}
         uses: actions/setup-go@v5
         with:
-          go-version: ^1.25.5
+          go-version: ^1.24
-      - name: Setup Go 1.24
+      - name: Cache Legacy Go
-        if: matrix.legacy_go124
+        if: matrix.require_legacy_go
-        uses: actions/setup-go@v5
+        id: cache-legacy-go
-        with:
-          go-version: ~1.24.10
-      - name: Cache Go for Windows 7
-        if: matrix.legacy_win7
-        id: cache-go-for-windows7
         uses: actions/cache@v4
         with:
           path: |
-            ~/go/go_win7
+            ~/go/go_legacy
-          key: go_win7_1255
+          key: go_legacy_1236
-      - name: Setup Go for Windows 7
+      - name: Setup Legacy Go
-        if: matrix.legacy_win7 && steps.cache-go-for-windows7.outputs.cache-hit != 'true'
+        if: matrix.legacy_go && steps.cache-legacy-go.outputs.cache-hit != 'true'
         run: |-
-          .github/setup_go_for_windows7.sh
+          .github/setup_legacy_go.sh
-      - name: Setup Go for Windows 7
+      - name: Setup Legacy Go 2
-        if: matrix.legacy_win7
+        if: matrix.legacy_go
         run: |-
-          echo "PATH=$HOME/go/go_win7/bin:$PATH" >> $GITHUB_ENV
+          echo "PATH=$HOME/go/go_legacy/bin:$PATH" >> $GITHUB_ENV
-          echo "GOROOT=$HOME/go/go_win7" >> $GITHUB_ENV
+          echo "GOROOT=$HOME/go/go_legacy" >> $GITHUB_ENV
       - name: Setup Android NDK
         if: matrix.os == 'android'
         uses: nttld/setup-ndk@v1
         with:
           ndk-version: r28
           local-cache: true
-      - name: Clone cronet-go
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          CRONET_GO_VERSION=$(cat .github/CRONET_GO_VERSION)
-          git init ~/cronet-go
-          git -C ~/cronet-go remote add origin https://github.com/sagernet/cronet-go.git
-          git -C ~/cronet-go fetch --depth=1 origin "$CRONET_GO_VERSION"
-          git -C ~/cronet-go checkout FETCH_HEAD
-          git -C ~/cronet-go submodule update --init --recursive --depth=1
-      - name: Cache Chromium toolchain
-        if: matrix.naive
-        id: cache-chromium-toolchain
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/cronet-go/naiveproxy/src/third_party/llvm-build/Release+Asserts
-            ~/cronet-go/naiveproxy/src/out/sysroot-build
-          key: chromium-toolchain-${{ matrix.arch }}-${{ matrix.variant }}-${{ hashFiles('.github/CRONET_GO_VERSION') }}
-      - name: Download Chromium toolchain
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          cd ~/cronet-go
-          if [[ "${{ matrix.variant }}" == "musl" ]]; then
-            go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl download-toolchain
-          else
-            go run ./cmd/build-naive --target=linux/${{ matrix.arch }} download-toolchain
-          fi
-      - name: Set Chromium toolchain environment
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          cd ~/cronet-go
-          if [[ "${{ matrix.variant }}" == "musl" ]]; then
-            go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl env >> $GITHUB_ENV
-          else
-            go run ./cmd/build-naive --target=linux/${{ matrix.arch }} env >> $GITHUB_ENV
-          fi
       - name: Set tag
         run: |-
           git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
@@ -190,75 +140,15 @@ jobs:
       - name: Set build tags
         run: |
           set -xeuo pipefail
-          TAGS='with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale,with_ccm,with_ocm,badlinkname,tfogo_checklinkname0'
+          TAGS='with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale'
-          if [[ "${{ matrix.naive }}" == "true" ]]; then
-            TAGS="${TAGS},with_naive_outbound"
-          fi
-          if [[ "${{ matrix.variant }}" == "purego" ]]; then
-            TAGS="${TAGS},with_purego"
-          elif [[ "${{ matrix.variant }}" == "musl" ]]; then
-            TAGS="${TAGS},with_musl"
-          fi
           echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
-      - name: Build (purego)
+      - name: Build
-        if: matrix.variant == 'purego'
+        if: matrix.os != 'android'
         run: |
           set -xeuo pipefail
           mkdir -p dist
           go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }} -checklinkname=0' \
+          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "0"
-          GOOS: ${{ matrix.os }}
-          GOARCH: ${{ matrix.arch }}
-          GO386: ${{ matrix.go386 }}
-          GOARM: ${{ matrix.goarm }}
-          GOMIPS: ${{ matrix.gomips }}
-          GOMIPS64: ${{ matrix.gomips }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Extract libcronet.so
-        if: matrix.variant == 'purego' && matrix.naive
-        run: |
-          cd ~/cronet-go
-          CGO_ENABLED=0 go run -v ./cmd/build-naive extract-lib --target ${{ matrix.os }}/${{ matrix.arch }} -o $GITHUB_WORKSPACE/dist
-      - name: Build (glibc)
-        if: matrix.variant == 'glibc'
-        run: |
-          set -xeuo pipefail
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }} -checklinkname=0' \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "1"
-          GOOS: linux
-          GOARCH: ${{ matrix.arch }}
-          GO386: ${{ matrix.go386 }}
-          GOARM: ${{ matrix.goarm }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Build (musl)
-        if: matrix.variant == 'musl'
-        run: |
-          set -xeuo pipefail
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }} -checklinkname=0' \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "1"
-          GOOS: linux
-          GOARCH: ${{ matrix.arch }}
-          GO386: ${{ matrix.go386 }}
-          GOARM: ${{ matrix.goarm }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Build (non-variant)
-        if: matrix.os != 'android' && matrix.variant == ''
-        run: |
-          set -xeuo pipefail
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }} -checklinkname=0' \
           ./cmd/sing-box
         env:
           CGO_ENABLED: "0"
@@ -278,7 +168,7 @@ jobs:
           export CXX="${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' \
+          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' \
           ./cmd/sing-box
         env:
           CGO_ENABLED: "1"
@@ -294,13 +184,8 @@ jobs:
             DIR_NAME="${DIR_NAME}-${{ matrix.go386 }}"
           elif [[ -n "${{ matrix.gomips }}" && "${{ matrix.gomips }}" != 'hardfloat' ]]; then
             DIR_NAME="${DIR_NAME}-${{ matrix.gomips }}"
-          elif [[ -n "${{ matrix.legacy_name }}" ]]; then
+          elif [[ "${{ matrix.legacy_go }}" == 'true' ]]; then
-            DIR_NAME="${DIR_NAME}-legacy-${{ matrix.legacy_name }}"
+            DIR_NAME="${DIR_NAME}-legacy"
-          fi
-          if [[ "${{ matrix.variant }}" == "glibc" ]]; then
-            DIR_NAME="${DIR_NAME}-glibc"
-          elif [[ "${{ matrix.variant }}" == "musl" ]]; then
-            DIR_NAME="${DIR_NAME}-musl"
           fi
           echo "DIR_NAME=${DIR_NAME}" >> "${GITHUB_ENV}"
           PKG_VERSION="${{ needs.calculate_version.outputs.version }}"
@@ -369,12 +254,8 @@ jobs:
             -p "dist/openwrt.deb" \
             --architecture all \
             dist/sing-box=/usr/bin/sing-box
-          SUFFIX=""
-          if [[ "${{ matrix.variant }}" == "musl" ]]; then
-            SUFFIX="_musl"
-          fi
           for architecture in ${{ matrix.openwrt }}; do
-            .github/deb2ipk.sh "$architecture" "dist/openwrt.deb" "dist/sing-box_${{ needs.calculate_version.outputs.version }}_openwrt_${architecture}${SUFFIX}.ipk"
+            .github/deb2ipk.sh "$architecture" "dist/openwrt.deb" "dist/sing-box_${{ needs.calculate_version.outputs.version }}_openwrt_${architecture}.ipk"
           done
           rm "dist/openwrt.deb"
       - name: Archive
@@ -388,177 +269,15 @@ jobs:
             zip -r "${DIR_NAME}.zip" "${DIR_NAME}"
           else
             cp sing-box "${DIR_NAME}"
-            if [ -f libcronet.so ]; then
-              cp libcronet.so "${DIR_NAME}"
-            fi
             tar -czvf "${DIR_NAME}.tar.gz" "${DIR_NAME}"
           fi
           rm -r "${DIR_NAME}"
-      - name: Cleanup
-        run: rm -f dist/sing-box dist/libcronet.so
-      - name: Upload artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: binary-${{ matrix.os }}_${{ matrix.arch }}${{ matrix.goarm && format('v{0}', matrix.goarm) }}${{ matrix.go386 && format('_{0}', matrix.go386) }}${{ matrix.gomips && format('_{0}', matrix.gomips) }}${{ matrix.legacy_name && format('-legacy-{0}', matrix.legacy_name) }}${{ matrix.variant && format('-{0}', matrix.variant) }}
-          path: "dist"
-  build_darwin:
-    name: Build Darwin binaries
-    if: github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Binary'
-    runs-on: macos-latest
-    needs:
-      - calculate_version
-    strategy:
-      matrix:
-        include:
-          - { arch: amd64 }
-          - { arch: arm64 }
-          - { arch: amd64, legacy_go124: true, legacy_name: "macos-11" }
-    steps:
-      - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
-        with:
-          fetch-depth: 0
-      - name: Setup Go
-        if: ${{ ! matrix.legacy_go124 }}
-        uses: actions/setup-go@v5
-        with:
-          go-version: ^1.25.3
-      - name: Setup Go 1.24
-        if: matrix.legacy_go124
-        uses: actions/setup-go@v5
-        with:
-          go-version: ~1.24.6
-      - name: Set tag
-        run: |-
-          git ls-remote --exit-code --tags origin v${{ 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,with_ccm,with_ocm,badlinkname,tfogo_checklinkname0'
-          if [[ "${{ matrix.legacy_go124 }}" != "true" ]]; then
-            TAGS="${TAGS},with_naive_outbound"
-          fi
-          echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
-      - name: Build
-        run: |
-          set -xeuo pipefail
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }} -checklinkname=0' \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "1"
-          GOOS: darwin
-          GOARCH: ${{ matrix.arch }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Set name
-        run: |-
-          DIR_NAME="sing-box-${{ needs.calculate_version.outputs.version }}-darwin-${{ matrix.arch }}"
-          if [[ -n "${{ matrix.legacy_name }}" ]]; then
-            DIR_NAME="${DIR_NAME}-legacy-${{ matrix.legacy_name }}"
-          fi
-          echo "DIR_NAME=${DIR_NAME}" >> "${GITHUB_ENV}"
-      - name: Archive
-        run: |
-          set -xeuo pipefail
-          cd dist
-          mkdir -p "${DIR_NAME}"
-          cp ../LICENSE "${DIR_NAME}"
-          cp sing-box "${DIR_NAME}"
-          tar -czvf "${DIR_NAME}.tar.gz" "${DIR_NAME}"
-          rm -r "${DIR_NAME}"
       - name: Cleanup
         run: rm dist/sing-box
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
-          name: binary-darwin_${{ matrix.arch }}${{ matrix.legacy_name && format('-legacy-{0}', matrix.legacy_name) }}
+          name: binary-${{ matrix.os }}_${{ matrix.arch }}${{ matrix.goarm && format('v{0}', matrix.goarm) }}${{ matrix.go386 && format('_{0}', matrix.go386) }}${{ matrix.gomips && format('_{0}', matrix.gomips) }}${{ matrix.legacy_go && '-legacy' || '' }}
-          path: "dist"
-  build_windows:
-    name: Build Windows binaries
-    if: github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Binary'
-    runs-on: windows-latest
-    needs:
-      - calculate_version
-    strategy:
-      matrix:
-        include:
-          - { arch: amd64, naive: true }
-          - { arch: "386" }
-          - { arch: arm64, naive: true }
-    steps:
-      - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
-        with:
-          fetch-depth: 0
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: ^1.25.4
-      - name: Set tag
-        run: |-
-          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$env:GITHUB_ENV"
-          git tag v${{ needs.calculate_version.outputs.version }} -f
-      - name: Build
-        if: matrix.naive
-        run: |
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box.exe -tags "with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale,with_ccm,with_ocm,with_naive_outbound,with_purego,badlinkname,tfogo_checklinkname0" `
-          -ldflags "-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }} -checklinkname=0" `
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "0"
-          GOOS: windows
-          GOARCH: ${{ matrix.arch }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Build
-        if: ${{ !matrix.naive }}
-        run: |
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box.exe -tags "with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale,with_ccm,with_ocm,badlinkname,tfogo_checklinkname0" `
-          -ldflags "-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }} -checklinkname=0" `
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "0"
-          GOOS: windows
-          GOARCH: ${{ matrix.arch }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Extract libcronet.dll
-        if: matrix.naive
-        run: |
-          $CRONET_GO_VERSION = Get-Content .github/CRONET_GO_VERSION
-          $env:CGO_ENABLED = "0"
-          go run -v "github.com/sagernet/cronet-go/cmd/build-naive@$CRONET_GO_VERSION" extract-lib --target windows/${{ matrix.arch }} -o dist
-      - name: Archive
-        if: matrix.naive
-        run: |
-          $DIR_NAME = "sing-box-${{ needs.calculate_version.outputs.version }}-windows-${{ matrix.arch }}"
-          mkdir "dist/$DIR_NAME"
-          Copy-Item LICENSE "dist/$DIR_NAME"
-          Copy-Item "dist/sing-box.exe" "dist/$DIR_NAME"
-          Copy-Item "dist/libcronet.dll" "dist/$DIR_NAME"
-          Compress-Archive -Path "dist/$DIR_NAME" -DestinationPath "dist/$DIR_NAME.zip"
-          Remove-Item -Recurse "dist/$DIR_NAME"
-      - name: Archive
-        if: ${{ !matrix.naive }}
-        run: |
-          $DIR_NAME = "sing-box-${{ needs.calculate_version.outputs.version }}-windows-${{ matrix.arch }}"
-          mkdir "dist/$DIR_NAME"
-          Copy-Item LICENSE "dist/$DIR_NAME"
-          Copy-Item "dist/sing-box.exe" "dist/$DIR_NAME"
-          Compress-Archive -Path "dist/$DIR_NAME" -DestinationPath "dist/$DIR_NAME.zip"
-          Remove-Item -Recurse "dist/$DIR_NAME"
-      - name: Cleanup
-        if: matrix.naive
-        run: Remove-Item dist/sing-box.exe, dist/libcronet.dll
-      - name: Cleanup
-        if: ${{ !matrix.naive }}
-        run: Remove-Item dist/sing-box.exe
-      - name: Upload artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: binary-windows_${{ matrix.arch }}
           path: "dist"
   build_android:
     name: Build Android
@@ -568,14 +287,14 @@ 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: ^1.25.5
+          go-version: ^1.24
       - name: Setup Android NDK
         id: setup-ndk
         uses: nttld/setup-ndk@v1
@@ -623,9 +342,9 @@ jobs:
       - name: Build
         run: |-
           mkdir clients/android/app/libs
-          cp *.aar clients/android/app/libs
+          cp libbox.aar clients/android/app/libs
           cd clients/android
-          ./gradlew :app:assembleOtherRelease :app:assembleOtherLegacyRelease
+          ./gradlew :app:assemblePlayRelease :app:assembleOtherRelease
         env:
           JAVA_HOME: /usr/lib/jvm/java-17-openjdk-amd64
           ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
@@ -633,18 +352,8 @@ jobs:
       - name: Prepare upload
         run: |-
           mkdir -p dist
-          #cp clients/android/app/build/outputs/apk/play/release/*.apk dist
+          cp clients/android/app/build/outputs/apk/play/release/*.apk dist
-          cp clients/android/app/build/outputs/apk/other/release/*.apk dist
+          cp clients/android/app/build/outputs/apk/other/release/*-universal.apk dist
-          cp clients/android/app/build/outputs/apk/otherLegacy/release/*.apk dist
-          VERSION_CODE=$(grep VERSION_CODE clients/android/version.properties | cut -d= -f2)
-          VERSION_NAME=$(grep VERSION_NAME clients/android/version.properties | cut -d= -f2)
-          cat > dist/SFA-version-metadata.json << EOF
-          {
-            "version_code": ${VERSION_CODE},
-            "version_name": "${VERSION_NAME}"
-          }
-          EOF
-          cat dist/SFA-version-metadata.json
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
@@ -658,14 +367,14 @@ 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: ^1.25.5
+          go-version: ^1.24
       - name: Setup Android NDK
         id: setup-ndk
         uses: nttld/setup-ndk@v1
@@ -706,7 +415,7 @@ jobs:
         run: |-
           go run -v ./cmd/internal/update_android_version --ci
           mkdir clients/android/app/libs
-          cp *.aar clients/android/app/libs
+          cp libbox.aar clients/android/app/libs
           cd clients/android
           echo -n "$SERVICE_ACCOUNT_CREDENTIALS" | base64 --decode > service-account-credentials.json
           ./gradlew :app:publishPlayReleaseBundle
@@ -717,8 +426,7 @@ jobs:
           SERVICE_ACCOUNT_CREDENTIALS: ${{ secrets.SERVICE_ACCOUNT_CREDENTIALS }}
   build_apple:
     name: Build Apple clients
-    runs-on: macos-26
+    runs-on: macos-15
-    if: false # github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Apple' || inputs.build == 'app-store' || inputs.build == 'iOS' || inputs.build == 'macOS' || inputs.build == 'tvOS' || inputs.build == 'macOS-standalone'
     needs:
       - calculate_version
     strategy:
@@ -756,7 +464,7 @@ jobs:
     steps:
       - name: Checkout
         if: matrix.if
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
           submodules: 'recursive'
@@ -764,7 +472,15 @@ jobs:
         if: matrix.if
         uses: actions/setup-go@v5
         with:
-          go-version: ^1.25.5
+          go-version: ^1.24
+      - name: Setup Xcode stable
+        if: matrix.if && github.ref == 'refs/heads/main-next'
+        run: |-
+          sudo xcode-select -s /Applications/Xcode_16.4.app
+      - name: Setup Xcode beta
+        if: matrix.if && github.ref == 'refs/heads/dev-next'
+        run: |-
+          sudo xcode-select -s /Applications/Xcode_16.4.app
       - name: Set tag
         if: matrix.if
         run: |-
@@ -883,7 +599,7 @@ jobs:
           		--app-drop-link 0 0 \
           		--skip-jenkins \
           	SFM.dmg "${{ matrix.export_path }}/SFM.app"
-          xcrun notarytool submit "SFM.dmg" --wait --keychain-profile "notarytool-password"
+          xcrun notarytool submit "SFM.dmg" --wait --keychain-profile "notarytool-password"          
           cd "${{ matrix.archive }}"
           zip -r SFM.dSYMs.zip dSYMs
           popd
@@ -904,13 +620,11 @@ jobs:
     needs:
       - calculate_version
       - build
-      - build_darwin
-      - build_windows
       - build_android
       - build_apple
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Cache ghr
@@ -933,7 +647,7 @@ jobs:
           git tag v${{ needs.calculate_version.outputs.version }} -f
           echo "VERSION=${{ needs.calculate_version.outputs.version }}" >> "$GITHUB_ENV"
       - name: Download builds
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
         with:
           path: dist
           merge-multiple: true

.github/workflows/docker.yml

@@ -1,10 +1,6 @@
 name: Publish Docker Images
 
 on:
-  #push:
-  #  branches:
-  #    - main-next
-  #    - dev-next
   release:
     types:
       - published
@@ -17,134 +13,8 @@ env:
   REGISTRY_IMAGE: ghcr.io/sagernet/sing-box
 
 jobs:
-  build_binary:
+  build:
-    name: Build binary
     runs-on: ubuntu-latest
-    strategy:
-      fail-fast: true
-      matrix:
-        include:
-          # Naive-enabled builds (musl)
-          - { arch: amd64, naive: true, docker_platform: "linux/amd64" }
-          - { arch: arm64, naive: true, docker_platform: "linux/arm64" }
-          - { arch: "386", naive: true, docker_platform: "linux/386" }
-          - { arch: arm, goarm: "7", naive: true, docker_platform: "linux/arm/v7" }
-          # Non-naive builds
-          - { arch: arm, goarm: "6", docker_platform: "linux/arm/v6" }
-          - { arch: ppc64le, docker_platform: "linux/ppc64le" }
-          - { arch: riscv64, docker_platform: "linux/riscv64" }
-          - { arch: s390x, docker_platform: "linux/s390x" }
-    steps:
-      - name: Get commit to build
-        id: ref
-        run: |-
-          if [[ -z "${{ github.event.inputs.tag }}" ]]; then
-            ref="${{ github.ref_name }}"
-          else
-            ref="${{ github.event.inputs.tag }}"
-          fi
-          echo "ref=$ref"
-          echo "ref=$ref" >> $GITHUB_OUTPUT
-      - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
-        with:
-          ref: ${{ steps.ref.outputs.ref }}
-          fetch-depth: 0
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: ^1.25.4
-      - name: Clone cronet-go
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          CRONET_GO_VERSION=$(cat .github/CRONET_GO_VERSION)
-          git init ~/cronet-go
-          git -C ~/cronet-go remote add origin https://github.com/sagernet/cronet-go.git
-          git -C ~/cronet-go fetch --depth=1 origin "$CRONET_GO_VERSION"
-          git -C ~/cronet-go checkout FETCH_HEAD
-          git -C ~/cronet-go submodule update --init --recursive --depth=1
-      - name: Cache Chromium toolchain
-        if: matrix.naive
-        id: cache-chromium-toolchain
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/cronet-go/naiveproxy/src/third_party/llvm-build/Release+Asserts
-            ~/cronet-go/naiveproxy/src/out/sysroot-build
-          key: chromium-toolchain-${{ matrix.arch }}-musl-${{ hashFiles('.github/CRONET_GO_VERSION') }}
-      - name: Download Chromium toolchain
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          cd ~/cronet-go
-          go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl download-toolchain
-      - name: Set version
-        run: |
-          set -xeuo pipefail
-          VERSION=$(go run ./cmd/internal/read_tag)
-          echo "VERSION=${VERSION}" >> "${GITHUB_ENV}"
-      - name: Set Chromium toolchain environment
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          cd ~/cronet-go
-          go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl env >> $GITHUB_ENV
-      - name: Set build tags
-        run: |
-          set -xeuo pipefail
-          TAGS='with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale,with_ccm,with_ocm,badlinkname,tfogo_checklinkname0'
-          if [[ "${{ matrix.naive }}" == "true" ]]; then
-            TAGS="${TAGS},with_naive_outbound,with_musl"
-          fi
-          echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
-      - name: Build (naive)
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          go build -v -trimpath -o sing-box -tags "${BUILD_TAGS}" \
-          -ldflags "-X \"github.com/sagernet/sing-box/constant.Version=${VERSION}\" -s -w -buildid= -checklinkname=0" \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "1"
-          GOOS: linux
-          GOARCH: ${{ matrix.arch }}
-          GOARM: ${{ matrix.goarm }}
-      - name: Build (non-naive)
-        if: ${{ ! matrix.naive }}
-        run: |
-          set -xeuo pipefail
-          go build -v -trimpath -o sing-box -tags "${BUILD_TAGS}" \
-          -ldflags "-X \"github.com/sagernet/sing-box/constant.Version=${VERSION}\" -s -w -buildid= -checklinkname=0" \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "0"
-          GOOS: linux
-          GOARCH: ${{ matrix.arch }}
-          GOARM: ${{ matrix.goarm }}
-      - name: Prepare artifact
-        run: |
-          platform=${{ matrix.docker_platform }}
-          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
-          # Rename binary to include arch info for Dockerfile.binary
-          BINARY_NAME="sing-box-${{ matrix.arch }}"
-          if [[ -n "${{ matrix.goarm }}" ]]; then
-            BINARY_NAME="${BINARY_NAME}v${{ matrix.goarm }}"
-          fi
-          mv sing-box "${BINARY_NAME}"
-          echo "BINARY_NAME=${BINARY_NAME}" >> $GITHUB_ENV
-      - name: Upload binary
-        uses: actions/upload-artifact@v4
-        with:
-          name: binary-${{ env.PLATFORM_PAIR }}
-          path: ${{ env.BINARY_NAME }}
-          if-no-files-found: error
-          retention-days: 1
-  build_docker:
-    name: Build Docker image
-    runs-on: ubuntu-latest
-    needs:
-      - build_binary
     strategy:
       fail-fast: true
       matrix:
@@ -169,7 +39,7 @@ jobs:
           echo "ref=$ref"
           echo "ref=$ref" >> $GITHUB_OUTPUT
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           ref: ${{ steps.ref.outputs.ref }}
           fetch-depth: 0
@@ -177,16 +47,6 @@ jobs:
         run: |
           platform=${{ matrix.platform }}
           echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
-      - name: Download binary
-        uses: actions/download-artifact@v5
-        with:
-          name: binary-${{ env.PLATFORM_PAIR }}
-          path: .
-      - name: Prepare binary
-        run: |
-          # Find and make the binary executable
-          chmod +x sing-box-*
-          ls -la sing-box-*
       - name: Setup QEMU
         uses: docker/setup-qemu-action@v3
       - name: Setup Docker Buildx
@@ -208,7 +68,8 @@ jobs:
         with:
           platforms: ${{ matrix.platform }}
           context: .
-          file: Dockerfile.binary
+          build-args: |
+            BUILDKIT_CONTEXT_KEEP_GIT_DIR=1
           labels: ${{ steps.meta.outputs.labels }}
           outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
       - name: Export digest
@@ -226,7 +87,7 @@ jobs:
   merge:
     runs-on: ubuntu-latest
     needs:
-      - build_docker
+      - build
     steps:
       - name: Get commit to build
         id: ref
@@ -246,7 +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-*
@@ -260,7 +121,6 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Create manifest list and push
-        if: github.event_name != 'push'
         working-directory: /tmp/digests
         run: |
           docker buildx imagetools create \
@@ -268,7 +128,6 @@ jobs:
             -t "${{ env.REGISTRY_IMAGE }}:${{ steps.ref.outputs.ref }}" \
             $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
       - name: Inspect image
-        if: github.event_name != 'push'
         run: |
           docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.ref.outputs.latest }}
           docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.ref.outputs.ref }}

.github/workflows/lint.yml

@@ -22,17 +22,17 @@ 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: ^1.25
+          go-version: ^1.24
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@v6
         with:
-          version: v2.4.0
+          version: latest
           args: --timeout=30m
           install-mode: binary
           verify: false

.github/workflows/linux.yml

@@ -1,21 +1,12 @@
 name: Build Linux Packages
 
 on:
-  #push:
-  #  branches:
-  #    - main-next
-  #    - dev-next
   workflow_dispatch:
     inputs:
       version:
         description: "Version name"
         required: true
         type: string
-      forceBeta:
-        description: "Force beta"
-        required: false
-        type: boolean
-        default: false
   release:
     types:
       - published
@@ -28,13 +19,13 @@ 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: ^1.25.5
+          go-version: ^1.24
       - name: Check input version
         if: github.event_name == 'workflow_dispatch'
         run: |-
@@ -56,13 +47,11 @@ jobs:
     strategy:
       matrix:
         include:
-          # Naive-enabled builds (musl)
+          - { os: linux, arch: amd64, debian: amd64, rpm: x86_64, pacman: x86_64 }
-          - { os: linux, arch: amd64, naive: true, debian: amd64, rpm: x86_64, pacman: x86_64 }
+          - { os: linux, arch: "386", debian: i386, rpm: i386 }
-          - { os: linux, arch: arm64, naive: true, debian: arm64, rpm: aarch64, pacman: aarch64 }
-          - { os: linux, arch: "386", naive: true, debian: i386, rpm: i386 }
-          - { os: linux, arch: arm, goarm: "7", naive: true, debian: armhf, rpm: armv7hl, pacman: armv7hl }
-          # Non-naive builds (unsupported architectures)
           - { 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 }
@@ -71,44 +60,19 @@ jobs:
           - { 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: ^1.25.5
+          go-version: ^1.24
-      - name: Clone cronet-go
+      - name: Setup Android NDK
-        if: matrix.naive
+        if: matrix.os == 'android'
-        run: |
+        uses: nttld/setup-ndk@v1
-          set -xeuo pipefail
-          CRONET_GO_VERSION=$(cat .github/CRONET_GO_VERSION)
-          git init ~/cronet-go
-          git -C ~/cronet-go remote add origin https://github.com/sagernet/cronet-go.git
-          git -C ~/cronet-go fetch --depth=1 origin "$CRONET_GO_VERSION"
-          git -C ~/cronet-go checkout FETCH_HEAD
-          git -C ~/cronet-go submodule update --init --recursive --depth=1
-      - name: Cache Chromium toolchain
-        if: matrix.naive
-        id: cache-chromium-toolchain
-        uses: actions/cache@v4
         with:
-          path: |
+          ndk-version: r28
-            ~/cronet-go/naiveproxy/src/third_party/llvm-build/Release+Asserts
+          local-cache: true
-            ~/cronet-go/naiveproxy/src/out/sysroot-build
-          key: chromium-toolchain-${{ matrix.arch }}-musl-${{ hashFiles('.github/CRONET_GO_VERSION') }}
-      - name: Download Chromium toolchain
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          cd ~/cronet-go
-          go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl download-toolchain
-      - name: Set Chromium toolchain environment
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          cd ~/cronet-go
-          go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl env >> $GITHUB_ENV
       - name: Set tag
         run: |-
           git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
@@ -116,32 +80,14 @@ jobs:
       - name: Set build tags
         run: |
           set -xeuo pipefail
-          TAGS='with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale,with_ccm,with_ocm,badlinkname,tfogo_checklinkname0'
+          TAGS='with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale'
-          if [[ "${{ matrix.naive }}" == "true" ]]; then
-            TAGS="${TAGS},with_naive_outbound,with_musl"
-          fi
           echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
-      - name: Build (naive)
+      - name: Build
-        if: matrix.naive
         run: |
           set -xeuo pipefail
           mkdir -p dist
           go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }} -checklinkname=0' \
+          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "1"
-          GOOS: linux
-          GOARCH: ${{ matrix.arch }}
-          GOARM: ${{ matrix.goarm }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Build (non-naive)
-        if: ${{ ! matrix.naive }}
-        run: |
-          set -xeuo pipefail
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }} -checklinkname=0' \
           ./cmd/sing-box
         env:
           CGO_ENABLED: "0"
@@ -153,11 +99,11 @@ jobs:
         run: |-
           TZ=UTC touch -t '197001010000' dist/sing-box
       - name: Set name
-        if: (! contains(needs.calculate_version.outputs.version, '-')) && !inputs.forceBeta
+        if: ${{ ! contains(needs.calculate_version.outputs.version, '-') }}
         run: |-
           echo "NAME=sing-box" >> "$GITHUB_ENV"
       - name: Set beta name
-        if: contains(needs.calculate_version.outputs.version, '-') || inputs.forceBeta
+        if: contains(needs.calculate_version.outputs.version, '-')
         run: |-
           echo "NAME=sing-box-beta" >> "$GITHUB_ENV"
       - name: Set version
@@ -220,7 +166,7 @@ jobs:
       - build
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Set tag
@@ -229,11 +175,10 @@ jobs:
           git tag v${{ needs.calculate_version.outputs.version }} -f
           echo "VERSION=${{ needs.calculate_version.outputs.version }}" >> "$GITHUB_ENV"
       - name: Download builds
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
         with:
           path: dist
           merge-multiple: true
       - name: Publish packages
-        if: github.event_name != 'push'
         run: |-
           ls dist | xargs -I {} curl -F "package=@dist/{}" https://${{ secrets.FURY_TOKEN }}@push.fury.io/sagernet/

.gitignore

@@ -15,6 +15,4 @@
 .DS_Store
 /config.d/
 /venv/
-CLAUDE.md
+
-AGENTS.md
-/.claude/

.golangci.yml

@@ -1,6 +1,27 @@
-version: "2"
+linters:
+  disable-all: true
+  enable:
+    - gofumpt
+    - govet
+    - gci
+    - staticcheck
+    - paralleltest
+    - ineffassign
+
+linters-settings:
+  gci:
+    custom-order: true
+    sections:
+      - standard
+      - prefix(github.com/sagernet/)
+      - default
+  staticcheck:
+    checks:
+      - all
+      - -SA1003
+
 run:
-  go: "1.25"
+  go: "1.23"
   build-tags:
     - with_gvisor
     - with_quic
@@ -9,51 +30,7 @@ run:
     - with_utls
     - with_acme
     - with_clash_api
-linters:
+
-  default: none
+issues:
-  enable:
+  exclude-dirs:
-    - govet
+    - transport/simple-obfs
-    - 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:
-    gci:
-      sections:
-        - standard
-        - prefix(github.com/sagernet/)
-        - default
-      custom-order: true
-  exclusions:
-    generated: lax
-    paths:
-      - transport/simple-obfs
-      - third_party$
-      - builtin$
-      - examples$

.goreleaser.fury.yaml

@@ -0,0 +1,103 @@
+project_name: sing-box
+builds:
+  - id: main
+    main: ./cmd/sing-box
+    flags:
+      - -v
+      - -trimpath
+    ldflags:
+      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }}
+      - -s
+      - -buildid=
+    tags:
+      - with_gvisor
+      - with_quic
+      - with_dhcp
+      - with_wireguard
+      - with_utls
+      - with_acme
+      - with_clash_api
+      - with_tailscale
+    env:
+      - CGO_ENABLED=0
+    targets:
+      - linux_386
+      - linux_amd64_v1
+      - linux_arm64
+      - linux_arm_7
+      - linux_s390x
+      - linux_riscv64
+      - linux_mips64le
+    mod_timestamp: '{{ .CommitTimestamp }}'
+snapshot:
+  name_template: "{{ .Version }}.{{ .ShortCommit }}"
+nfpms:
+  - &template
+    id: package
+    package_name: sing-box
+    file_name_template: '{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ with .Mips }}_{{ . }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
+    builds:
+      - main
+    homepage: https://sing-box.sagernet.org/
+    maintainer: nekohasekai <contact-git@sekai.icu>
+    description: The universal proxy platform.
+    license: GPLv3 or later
+    formats:
+      - deb
+      - rpm
+    priority: extra
+    contents:
+      - src: release/config/config.json
+        dst: /etc/sing-box/config.json
+        type: "config|noreplace"
+
+      - 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
+      - src: release/completions/sing-box.fish
+        dst: /usr/share/fish/vendor_completions.d/sing-box.fish
+      - src: release/completions/sing-box.zsh
+        dst: /usr/share/zsh/site-functions/_sing-box
+
+      - src: LICENSE
+        dst: /usr/share/licenses/sing-box/LICENSE
+    deb:
+      signature:
+        key_file: "{{ .Env.NFPM_KEY_PATH }}"
+      fields:
+        Bugs: https://github.com/SagerNet/sing-box/issues
+    rpm:
+      signature:
+        key_file: "{{ .Env.NFPM_KEY_PATH }}"
+    conflicts:
+      - sing-box-beta
+  - id: package_beta
+    <<: *template
+    package_name: sing-box-beta
+    file_name_template: '{{ .ProjectName }}-beta_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ with .Mips }}_{{ . }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
+    formats:
+      - deb
+      - rpm
+    conflicts:
+      - sing-box
+release:
+  disable: true
+furies:
+  - account: sagernet
+    ids:
+      - package
+    disable: "{{ not (not .Prerelease) }}"
+  - account: sagernet
+    ids:
+      - package_beta
+    disable: "{{ not .Prerelease }}"

.goreleaser.yaml

@@ -0,0 +1,213 @@
+version: 2
+project_name: sing-box
+builds:
+  - &template
+    id: main
+    main: ./cmd/sing-box
+    flags:
+      - -v
+      - -trimpath
+    ldflags:
+      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }}
+      - -s
+      - -buildid=
+    tags:
+      - with_gvisor
+      - with_quic
+      - with_dhcp
+      - with_wireguard
+      - with_utls
+      - with_acme
+      - with_clash_api
+      - with_tailscale
+    env:
+      - CGO_ENABLED=0
+      - GOTOOLCHAIN=local
+    targets:
+      - linux_386
+      - linux_amd64_v1
+      - linux_arm64
+      - linux_arm_6
+      - linux_arm_7
+      - linux_s390x
+      - linux_riscv64
+      - linux_mips64le
+      - windows_amd64_v1
+      - windows_386
+      - windows_arm64
+      - darwin_amd64_v1
+      - darwin_arm64
+    mod_timestamp: '{{ .CommitTimestamp }}'
+  - id: legacy
+    <<: *template
+    tags:
+      - with_gvisor
+      - with_quic
+      - with_dhcp
+      - with_wireguard
+      - with_utls
+      - with_acme
+      - with_clash_api
+      - with_tailscale
+    env:
+      - CGO_ENABLED=0
+      - GOROOT={{ .Env.GOPATH }}/go_legacy
+    tool: "{{ .Env.GOPATH }}/go_legacy/bin/go"
+    targets:
+      - windows_amd64_v1
+      - windows_386
+  - id: android
+    <<: *template
+    env:
+      - CGO_ENABLED=1
+      - GOTOOLCHAIN=local
+    overrides:
+      - goos: android
+        goarch: arm
+        goarm: 7
+        env:
+          - CC=armv7a-linux-androideabi21-clang
+          - CXX=armv7a-linux-androideabi21-clang++
+      - goos: android
+        goarch: arm64
+        env:
+          - CC=aarch64-linux-android21-clang
+          - CXX=aarch64-linux-android21-clang++
+      - goos: android
+        goarch: 386
+        env:
+          - CC=i686-linux-android21-clang
+          - CXX=i686-linux-android21-clang++
+      - goos: android
+        goarch: amd64
+        goamd64: v1
+        env:
+          - CC=x86_64-linux-android21-clang
+          - CXX=x86_64-linux-android21-clang++
+    targets:
+      - android_arm_7
+      - android_arm64
+      - android_386
+      - android_amd64
+archives:
+  - &template
+    id: archive
+    builds:
+      - main
+      - android
+    formats:
+      - tar.gz
+    format_overrides:
+      - goos: windows
+        formats:
+          - zip
+    wrap_in_directory: true
+    files:
+      - LICENSE
+    name_template: '{{ .ProjectName }}-{{ .Version }}-{{ .Os }}-{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ if and .Mips (not (eq .Mips "hardfloat")) }}_{{ .Mips }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
+  - id: archive-legacy
+    <<: *template
+    builds:
+      - legacy
+    name_template: '{{ .ProjectName }}-{{ .Version }}-{{ .Os }}-{{ .Arch }}-legacy'
+nfpms:
+  - id: package
+    package_name: sing-box
+    file_name_template: '{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ if and .Mips (not (eq .Mips "hardfloat")) }}_{{ .Mips }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
+    builds:
+      - main
+    homepage: https://sing-box.sagernet.org/
+    maintainer: nekohasekai <contact-git@sekai.icu>
+    description: The universal proxy platform.
+    license: GPLv3 or later
+    formats:
+      - deb
+      - rpm
+      - archlinux
+#      - apk
+#      - ipk
+    priority: extra
+    contents:
+      - src: release/config/config.json
+        dst: /etc/sing-box/config.json
+        type: "config|noreplace"
+
+      - 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
+      - src: release/completions/sing-box.fish
+        dst: /usr/share/fish/vendor_completions.d/sing-box.fish
+      - src: release/completions/sing-box.zsh
+        dst: /usr/share/zsh/site-functions/_sing-box
+
+      - src: LICENSE
+        dst: /usr/share/licenses/sing-box/LICENSE
+    deb:
+      signature:
+        key_file: "{{ .Env.NFPM_KEY_PATH }}"
+      fields:
+        Bugs: https://github.com/SagerNet/sing-box/issues
+    rpm:
+      signature:
+        key_file: "{{ .Env.NFPM_KEY_PATH }}"
+    overrides:
+      apk:
+        contents:
+          - src: release/config/config.json
+            dst: /etc/sing-box/config.json
+            type: config
+
+          - src: release/config/sing-box.initd
+            dst: /etc/init.d/sing-box
+
+          - src: release/completions/sing-box.bash
+            dst: /usr/share/bash-completion/completions/sing-box.bash
+          - src: release/completions/sing-box.fish
+            dst: /usr/share/fish/vendor_completions.d/sing-box.fish
+          - src: release/completions/sing-box.zsh
+            dst: /usr/share/zsh/site-functions/_sing-box
+
+          - src: LICENSE
+            dst: /usr/share/licenses/sing-box/LICENSE
+      ipk:
+        contents:
+          - src: release/config/config.json
+            dst: /etc/sing-box/config.json
+            type: config
+
+          - src: release/config/openwrt.init
+            dst: /etc/init.d/sing-box
+          - src: release/config/openwrt.conf
+            dst: /etc/config/sing-box
+source:
+  enabled: false
+  name_template: '{{ .ProjectName }}-{{ .Version }}.source'
+  prefix_template: '{{ .ProjectName }}-{{ .Version }}/'
+checksum:
+  disable: true
+  name_template: '{{ .ProjectName }}-{{ .Version }}.checksum'
+signs:
+  - artifacts: checksum
+release:
+  github:
+    owner: SagerNet
+    name: sing-box
+  draft: true
+  prerelease: auto
+  mode: replace
+  ids:
+    - archive
+    - package
+  skip_upload: true
+partial:
+  by: target

Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.25-alpine AS builder
+FROM --platform=$BUILDPLATFORM golang:1.24-alpine AS builder
 LABEL maintainer="nekohasekai <contact-git@sekai.icu>"
 COPY . /go/src/github.com/sagernet/sing-box
 WORKDIR /go/src/github.com/sagernet/sing-box
@@ -13,13 +13,15 @@ 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_ccm,with_ocm,badlinkname,tfogo_checklinkname0" \
+        "with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale" \
         -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>"
 RUN set -ex \
-    && apk add --no-cache --upgrade bash tzdata ca-certificates nftables
+    && apk upgrade \
+    && apk add bash tzdata ca-certificates nftables \
+    && rm -rf /var/cache/apk/*
 COPY --from=builder /go/bin/sing-box /usr/local/bin/sing-box
 ENTRYPOINT ["sing-box"]

Dockerfile.binary

@@ -1,8 +0,0 @@
-FROM alpine
-ARG TARGETARCH
-ARG TARGETVARIANT
-LABEL maintainer="nekohasekai <contact-git@sekai.icu>"
-RUN set -ex \
-    && apk add --no-cache --upgrade bash tzdata ca-certificates nftables
-COPY sing-box-${TARGETARCH}${TARGETVARIANT} /usr/local/bin/sing-box
-ENTRYPOINT ["sing-box"]

Makefile

@@ -1,12 +1,12 @@
 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,with_ccm,with_ocm,badlinkname,tfogo_checklinkname0
+TAGS ?= with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale
 
 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)
 
-PARAMS = -v -trimpath -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=$(VERSION)' -s -w -buildid= -checklinkname=0"
+PARAMS = -v -trimpath -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=$(VERSION)' -s -w -buildid="
 MAIN_PARAMS = $(PARAMS) -tags "$(TAGS)"
 MAIN = ./cmd/sing-box
 PREFIX ?= $(shell go env GOPATH)
@@ -17,10 +17,6 @@ build:
 	export GOTOOLCHAIN=local && \
 	go build $(MAIN_PARAMS) $(MAIN)
 
-race:
-	export GOTOOLCHAIN=local && \
-	go build -race $(MAIN_PARAMS) $(MAIN)
-
 ci_build:
 	export GOTOOLCHAIN=local && \
 	go build $(PARAMS) $(MAIN) && \
@@ -38,7 +34,7 @@ fmt:
 	@gci write --custom-order -s standard -s "prefix(github.com/sagernet/)" -s "default" .
 
 fmt_install:
-	go install -v mvdan.cc/gofumpt@v0.8.0
+	go install -v mvdan.cc/gofumpt@latest
 	go install -v github.com/daixiang0/gci@latest
 
 lint:
@@ -49,7 +45,7 @@ lint:
 	GOOS=freebsd golangci-lint run ./...
 
 lint_install:
-	go install -v github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.4.0
+	go install -v github.com/golangci/golangci-lint/cmd/golangci-lint@latest
 
 proto:
 	@go run ./cmd/internal/protogen
@@ -249,8 +245,8 @@ lib:
 	go run ./cmd/internal/build_libbox -target ios
 
 lib_install:
-	go install -v github.com/sagernet/gomobile/cmd/gomobile@v0.1.10
+	go install -v github.com/sagernet/gomobile/cmd/gomobile@v0.1.6
-	go install -v github.com/sagernet/gomobile/cmd/gobind@v0.1.10
+	go install -v github.com/sagernet/gomobile/cmd/gobind@v0.1.6
 
 docs:
 	venv/bin/mkdocs serve

README.md

@@ -1,11 +1,3 @@
-> Sponsored by [Warp](https://go.warp.dev/sing-box), built for coding with multiple AI agents
-
-<a href="https://go.warp.dev/sing-box">
-<img alt="Warp sponsorship" width="400" src="https://github.com/warpdotdev/brand-assets/raw/refs/heads/main/Github/Sponsor/Warp-Github-LG-02.png">
-</a>
-
----
-
 # sing-box
 
 The universal proxy platform.

adapter/dns.go

@@ -3,6 +3,7 @@ package adapter
 import (
 	"context"
 	"net/netip"
+	"time"
 
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
@@ -27,6 +28,8 @@ 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()
 }
 
@@ -34,6 +37,7 @@ type DNSQueryOptions struct {
 	Transport      DNSTransport
 	Strategy       C.DomainStrategy
 	LookupStrategy C.DomainStrategy
+	Timeout        time.Duration
 	DisableCache   bool
 	RewriteTTL     *uint32
 	ClientSubnet   netip.Prefix
@@ -51,6 +55,7 @@ func DNSQueryOptionsFrom(ctx context.Context, options *option.DomainResolveOptio
 	return &DNSQueryOptions{
 		Transport:    transport,
 		Strategy:     C.DomainStrategy(options.Strategy),
+		Timeout:      time.Duration(options.Timeout),
 		DisableCache: options.DisableCache,
 		RewriteTTL:   options.RewriteTTL,
 		ClientSubnet: options.ClientSubnet.Build(netip.Prefix{}),
@@ -68,6 +73,7 @@ type DNSTransport interface {
 	Type() string
 	Tag() string
 	Dependencies() []string
+	HasDetour() bool
 	Exchange(ctx context.Context, message *dns.Msg) (*dns.Msg, error)
 }
 

adapter/endpoint/manager.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"os"
 	"sync"
-	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/taskmonitor"
@@ -12,7 +11,6 @@ import (
 	"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"
 )
 
 var _ adapter.EndpointManager = (*Manager)(nil)
@@ -48,14 +46,10 @@ func (m *Manager) Start(stage adapter.StartStage) error {
 		return nil
 	}
 	for _, endpoint := range m.endpoints {
-		name := "endpoint/" + endpoint.Type() + "[" + endpoint.Tag() + "]"
-		m.logger.Trace(stage, " ", name)
-		startTime := time.Now()
 		err := adapter.LegacyStart(endpoint, stage)
 		if err != nil {
-			return E.Cause(err, stage, " ", name)
+			return E.Cause(err, stage, " endpoint/", endpoint.Type(), "[", endpoint.Tag(), "]")
 		}
-		m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
@@ -72,15 +66,11 @@ func (m *Manager) Close() error {
 	monitor := taskmonitor.New(m.logger, C.StopTimeout)
 	var err error
 	for _, endpoint := range endpoints {
-		name := "endpoint/" + endpoint.Type() + "[" + endpoint.Tag() + "]"
+		monitor.Start("close endpoint/", endpoint.Type(), "[", endpoint.Tag(), "]")
-		m.logger.Trace("close ", name)
-		startTime := time.Now()
-		monitor.Start("close ", name)
 		err = E.Append(err, endpoint.Close(), func(err error) error {
-			return E.Cause(err, "close ", name)
+			return E.Cause(err, "close endpoint/", endpoint.Type(), "[", endpoint.Tag(), "]")
 		})
 		monitor.Finish()
-		m.logger.Trace("close ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
@@ -129,15 +119,11 @@ func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.
 	m.access.Lock()
 	defer m.access.Unlock()
 	if m.started {
-		name := "endpoint/" + endpoint.Type() + "[" + endpoint.Tag() + "]"
 		for _, stage := range adapter.ListStartStages {
-			m.logger.Trace(stage, " ", name)
-			startTime := time.Now()
 			err = adapter.LegacyStart(endpoint, stage)
 			if err != nil {
-				return E.Cause(err, stage, " ", name)
+				return E.Cause(err, stage, " endpoint/", endpoint.Type(), "[", endpoint.Tag(), "]")
 			}
-			m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 		}
 	}
 	if existsEndpoint, loaded := m.endpointByTag[tag]; loaded {

adapter/experimental.go

@@ -6,7 +6,6 @@ import (
 	"encoding/binary"
 	"time"
 
-	"github.com/sagernet/sing/common/observable"
 	"github.com/sagernet/sing/common/varbin"
 )
 
@@ -15,7 +14,6 @@ type ClashServer interface {
 	ConnectionTracker
 	Mode() string
 	ModeList() []string
-	SetModeUpdateHook(hook *observable.Subscriber[struct{}])
 	HistoryStorage() URLTestHistoryStorage
 }
 
@@ -25,7 +23,7 @@ type URLTestHistory struct {
 }
 
 type URLTestHistoryStorage interface {
-	SetHook(hook *observable.Subscriber[struct{}])
+	SetHook(hook chan<- struct{})
 	LoadURLTestHistory(tag string) *URLTestHistory
 	DeleteURLTestHistory(tag string)
 	StoreURLTestHistory(tag string, history *URLTestHistory)

adapter/inbound.go

@@ -5,6 +5,7 @@ import (
 	"net/netip"
 	"time"
 
+	"github.com/sagernet/sing-box/common/process"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
@@ -56,7 +57,6 @@ type InboundContext struct {
 	Domain       string
 	Client       string
 	SniffContext any
-	SnifferNames []string
 	SniffError   error
 
 	// cache
@@ -84,7 +84,7 @@ type InboundContext struct {
 	DestinationAddresses []netip.Addr
 	SourceGeoIPCode      string
 	GeoIPCode            string
-	ProcessInfo          *ConnectionOwner
+	ProcessInfo          *process.Info
 	QueryType            uint16
 	FakeIP               bool
 
@@ -135,7 +135,8 @@ 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

@@ -4,7 +4,6 @@ import (
 	"context"
 	"os"
 	"sync"
-	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/taskmonitor"
@@ -12,7 +11,6 @@ import (
 	"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"
 )
 
 var _ adapter.InboundManager = (*Manager)(nil)
@@ -47,14 +45,10 @@ func (m *Manager) Start(stage adapter.StartStage) error {
 	inbounds := m.inbounds
 	m.access.Unlock()
 	for _, inbound := range inbounds {
-		name := "inbound/" + inbound.Type() + "[" + inbound.Tag() + "]"
-		m.logger.Trace(stage, " ", name)
-		startTime := time.Now()
 		err := adapter.LegacyStart(inbound, stage)
 		if err != nil {
-			return E.Cause(err, stage, " ", name)
+			return E.Cause(err, stage, " inbound/", inbound.Type(), "[", inbound.Tag(), "]")
 		}
-		m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
@@ -71,15 +65,11 @@ func (m *Manager) Close() error {
 	monitor := taskmonitor.New(m.logger, C.StopTimeout)
 	var err error
 	for _, inbound := range inbounds {
-		name := "inbound/" + inbound.Type() + "[" + inbound.Tag() + "]"
+		monitor.Start("close inbound/", inbound.Type(), "[", inbound.Tag(), "]")
-		m.logger.Trace("close ", name)
-		startTime := time.Now()
-		monitor.Start("close ", name)
 		err = E.Append(err, inbound.Close(), func(err error) error {
-			return E.Cause(err, "close ", name)
+			return E.Cause(err, "close inbound/", inbound.Type(), "[", inbound.Tag(), "]")
 		})
 		monitor.Finish()
-		m.logger.Trace("close ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
@@ -131,15 +121,11 @@ func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.
 	m.access.Lock()
 	defer m.access.Unlock()
 	if m.started {
-		name := "inbound/" + inbound.Type() + "[" + inbound.Tag() + "]"
 		for _, stage := range adapter.ListStartStages {
-			m.logger.Trace(stage, " ", name)
-			startTime := time.Now()
 			err = adapter.LegacyStart(inbound, stage)
 			if err != nil {
-				return E.Cause(err, stage, " ", name)
+				return E.Cause(err, stage, " inbound/", inbound.Type(), "[", inbound.Tag(), "]")
 			}
-			m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 		}
 	}
 	if existsInbound, loaded := m.inboundByTag[tag]; loaded {

adapter/lifecycle.go

@@ -1,14 +1,6 @@
 package adapter
 
-import (
+import E "github.com/sagernet/sing/common/exceptions"
-	"reflect"
-	"strings"
-	"time"
-
-	"github.com/sagernet/sing-box/log"
-	E "github.com/sagernet/sing/common/exceptions"
-	F "github.com/sagernet/sing/common/format"
-)
 
 type SimpleLifecycle interface {
 	Start() error
@@ -56,47 +48,22 @@ type LifecycleService interface {
 	Lifecycle
 }
 
-func getServiceName(service any) string {
+func Start(stage StartStage, services ...Lifecycle) error {
-	if named, ok := service.(interface {
-		Type() string
-		Tag() string
-	}); ok {
-		tag := named.Tag()
-		if tag != "" {
-			return named.Type() + "[" + tag + "]"
-		}
-		return named.Type()
-	}
-	t := reflect.TypeOf(service)
-	if t.Kind() == reflect.Ptr {
-		t = t.Elem()
-	}
-	return strings.ToLower(t.Name())
-}
-
-func Start(logger log.ContextLogger, stage StartStage, services ...Lifecycle) error {
 	for _, service := range services {
-		name := getServiceName(service)
-		logger.Trace(stage, " ", name)
-		startTime := time.Now()
 		err := service.Start(stage)
 		if err != nil {
 			return err
 		}
-		logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
 
-func StartNamed(logger log.ContextLogger, stage StartStage, services []LifecycleService) error {
+func StartNamed(stage StartStage, services []LifecycleService) error {
 	for _, service := range services {
-		logger.Trace(stage, " ", service.Name())
-		startTime := time.Now()
 		err := service.Start(stage)
 		if err != nil {
 			return E.Cause(err, stage.String(), " ", service.Name())
 		}
-		logger.Trace(stage, " ", service.Name(), " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }

adapter/network.go

@@ -10,7 +10,6 @@ import (
 
 type NetworkManager interface {
 	Lifecycle
-	Initialize(ruleSets []RuleSet)
 	InterfaceFinder() control.InterfaceFinder
 	UpdateInterfaces() error
 	DefaultNetworkInterface() *NetworkInterface
@@ -21,14 +20,12 @@ type NetworkManager interface {
 	DefaultOptions() NetworkOptions
 	RegisterAutoRedirectOutputMark(mark uint32) error
 	AutoRedirectOutputMark() uint32
-	AutoRedirectOutputMarkFunc() control.Func
 	NetworkMonitor() tun.NetworkUpdateMonitor
 	InterfaceMonitor() tun.DefaultInterfaceMonitor
 	PackageManager() tun.PackageManager
-	NeedWIFIState() bool
 	WIFIState() WIFIState
-	UpdateWIFIState()
 	ResetNetwork()
+	UpdateWIFIState()
 }
 
 type NetworkOptions struct {

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

@@ -6,7 +6,6 @@ import (
 	"os"
 	"strings"
 	"sync"
-	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/taskmonitor"
@@ -14,7 +13,6 @@ import (
 	"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/sagernet/sing/common/logger"
 )
 
@@ -32,7 +30,7 @@ type Manager struct {
 	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 {
@@ -46,7 +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
 }
 
@@ -57,40 +55,23 @@ 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 {
-			name := "outbound/" + outbound.Type() + "[" + outbound.Tag() + "]"
-			m.logger.Trace(stage, " ", name)
-			startTime := time.Now()
 			err := adapter.LegacyStart(outbound, stage)
 			if err != nil {
-				return E.Cause(err, stage, " ", name)
+				return E.Cause(err, stage, " outbound/", outbound.Type(), "[", outbound.Tag(), "]")
 			}
-			m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 		}
 	}
 	return nil
@@ -115,29 +96,22 @@ func (m *Manager) startOutbounds(outbounds []adapter.Outbound) error {
 			}
 			started[outboundTag] = true
 			canContinue = true
-			name := "outbound/" + outboundToStart.Type() + "[" + outboundTag + "]"
 			if starter, isStarter := outboundToStart.(adapter.Lifecycle); isStarter {
-				m.logger.Trace("start ", name)
+				monitor.Start("start outbound/", outboundToStart.Type(), "[", outboundTag, "]")
-				startTime := time.Now()
-				monitor.Start("start ", name)
 				err := starter.Start(adapter.StartStateStart)
 				monitor.Finish()
 				if err != nil {
-					return E.Cause(err, "start ", name)
+					return E.Cause(err, "start outbound/", outboundToStart.Type(), "[", outboundTag, "]")
 				}
-				m.logger.Trace("start ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 			} else if starter, isStarter := outboundToStart.(interface {
 				Start() error
 			}); isStarter {
-				m.logger.Trace("start ", name)
+				monitor.Start("start outbound/", outboundToStart.Type(), "[", outboundTag, "]")
-				startTime := time.Now()
-				monitor.Start("start ", name)
 				err := starter.Start()
 				monitor.Finish()
 				if err != nil {
-					return E.Cause(err, "start ", name)
+					return E.Cause(err, "start outbound/", outboundToStart.Type(), "[", outboundTag, "]")
 				}
-				m.logger.Trace("start ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 			}
 		}
 		if len(started) == len(outbounds) {
@@ -184,15 +158,11 @@ func (m *Manager) Close() error {
 	var err error
 	for _, outbound := range outbounds {
 		if closer, isCloser := outbound.(io.Closer); isCloser {
-			name := "outbound/" + outbound.Type() + "[" + outbound.Tag() + "]"
+			monitor.Start("close outbound/", outbound.Type(), "[", outbound.Tag(), "]")
-			m.logger.Trace("close ", name)
-			startTime := time.Now()
-			monitor.Start("close ", name)
 			err = E.Append(err, closer.Close(), func(err error) error {
-				return E.Cause(err, "close ", name)
+				return E.Cause(err, "close outbound/", outbound.Type(), "[", outbound.Tag(), "]")
 			})
 			monitor.Finish()
-			m.logger.Trace("close ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 		}
 	}
 	return nil
@@ -217,7 +187,11 @@ func (m *Manager) Outbound(tag string) (adapter.Outbound, bool) {
 func (m *Manager) Default() adapter.Outbound {
 	m.access.RLock()
 	defer m.access.RUnlock()
-	return m.defaultOutbound
+	if m.defaultOutbound != nil {
+		return m.defaultOutbound
+	} else {
+		return m.defaultOutboundFallback
+	}
 }
 
 func (m *Manager) Remove(tag string) error {
@@ -273,15 +247,11 @@ func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.
 		return err
 	}
 	if m.started {
-		name := "outbound/" + outbound.Type() + "[" + outbound.Tag() + "]"
 		for _, stage := range adapter.ListStartStages {
-			m.logger.Trace(stage, " ", name)
-			startTime := time.Now()
 			err = adapter.LegacyStart(outbound, stage)
 			if err != nil {
-				return E.Cause(err, stage, " ", name)
+				return E.Cause(err, stage, " outbound/", outbound.Type(), "[", outbound.Tag(), "]")
 			}
-			m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 		}
 	}
 	m.access.Lock()

adapter/platform.go

@@ -1,70 +0,0 @@
-package adapter
-
-import (
-	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-tun"
-	"github.com/sagernet/sing/common/logger"
-)
-
-type PlatformInterface interface {
-	Initialize(networkManager NetworkManager) error
-
-	UsePlatformAutoDetectInterfaceControl() bool
-	AutoDetectInterfaceControl(fd int) error
-
-	UsePlatformInterface() bool
-	OpenInterface(options *tun.Options, platformOptions option.TunPlatformOptions) (tun.Tun, error)
-
-	UsePlatformDefaultInterfaceMonitor() bool
-	CreateDefaultInterfaceMonitor(logger logger.Logger) tun.DefaultInterfaceMonitor
-
-	UsePlatformNetworkInterfaces() bool
-	NetworkInterfaces() ([]NetworkInterface, error)
-
-	UnderNetworkExtension() bool
-	NetworkExtensionIncludeAllNetworks() bool
-
-	ClearDNSCache()
-	RequestPermissionForWIFIState() error
-	ReadWIFIState() WIFIState
-	SystemCertificates() []string
-
-	UsePlatformConnectionOwnerFinder() bool
-	FindConnectionOwner(request *FindConnectionOwnerRequest) (*ConnectionOwner, error)
-
-	UsePlatformWIFIMonitor() bool
-
-	UsePlatformNotification() bool
-	SendNotification(notification *Notification) error
-}
-
-type FindConnectionOwnerRequest struct {
-	IpProtocol         int32
-	SourceAddress      string
-	SourcePort         int32
-	DestinationAddress string
-	DestinationPort    int32
-}
-
-type ConnectionOwner struct {
-	ProcessID          uint32
-	UserId             int32
-	UserName           string
-	ProcessPath        string
-	AndroidPackageName string
-}
-
-type Notification struct {
-	Identifier string
-	TypeName   string
-	TypeID     int32
-	Title      string
-	Subtitle   string
-	Body       string
-	OpenURL    string
-}
-
-type SystemProxyStatus struct {
-	Available bool
-	Enabled   bool
-}

adapter/router.go

@@ -6,10 +6,8 @@ import (
 	"net"
 	"net/http"
 	"sync"
-	"time"
 
 	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-tun"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/common/ntp"
@@ -21,9 +19,10 @@ import (
 type Router interface {
 	Lifecycle
 	ConnectionRouter
-	PreMatch(metadata InboundContext, context tun.DirectRouteContext, timeout time.Duration) (tun.DirectRouteDestination, error)
+	PreMatch(metadata InboundContext) error
 	ConnectionRouterEx
 	RuleSet(tag string) (RuleSet, bool)
+	NeedWIFIState() bool
 	Rules() []Rule
 	AppendTracker(tracker ConnectionTracker)
 	ResetNetwork()

adapter/service/manager.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"os"
 	"sync"
-	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/taskmonitor"
@@ -12,7 +11,6 @@ import (
 	"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"
 )
 
 var _ adapter.ServiceManager = (*Manager)(nil)
@@ -45,14 +43,10 @@ func (m *Manager) Start(stage adapter.StartStage) error {
 	services := m.services
 	m.access.Unlock()
 	for _, service := range services {
-		name := "service/" + service.Type() + "[" + service.Tag() + "]"
-		m.logger.Trace(stage, " ", name)
-		startTime := time.Now()
 		err := adapter.LegacyStart(service, stage)
 		if err != nil {
-			return E.Cause(err, stage, " ", name)
+			return E.Cause(err, stage, " service/", service.Type(), "[", service.Tag(), "]")
 		}
-		m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
@@ -69,15 +63,11 @@ func (m *Manager) Close() error {
 	monitor := taskmonitor.New(m.logger, C.StopTimeout)
 	var err error
 	for _, service := range services {
-		name := "service/" + service.Type() + "[" + service.Tag() + "]"
+		monitor.Start("close service/", service.Type(), "[", service.Tag(), "]")
-		m.logger.Trace("close ", name)
-		startTime := time.Now()
-		monitor.Start("close ", name)
 		err = E.Append(err, service.Close(), func(err error) error {
-			return E.Cause(err, "close ", name)
+			return E.Cause(err, "close service/", service.Type(), "[", service.Tag(), "]")
 		})
 		monitor.Finish()
-		m.logger.Trace("close ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
@@ -126,15 +116,11 @@ func (m *Manager) Create(ctx context.Context, logger log.ContextLogger, tag stri
 	m.access.Lock()
 	defer m.access.Unlock()
 	if m.started {
-		name := "service/" + service.Type() + "[" + service.Tag() + "]"
 		for _, stage := range adapter.ListStartStages {
-			m.logger.Trace(stage, " ", name)
-			startTime := time.Now()
 			err = adapter.LegacyStart(service, stage)
 			if err != nil {
-				return E.Cause(err, stage, " ", name)
+				return E.Cause(err, stage, " service/", service.Type(), "[", service.Tag(), "]")
 			}
-			m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 		}
 	}
 	if existsService, loaded := m.serviceByTag[tag]; loaded {

adapter/upstream.go

@@ -73,7 +73,7 @@ func NewUpstreamContextHandlerEx(
 }
 
 func (w *myUpstreamContextHandlerWrapperEx) NewConnectionEx(ctx context.Context, conn net.Conn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
-	_, myMetadata := ExtendContext(ctx)
+	myMetadata := ContextFrom(ctx)
 	if source.IsValid() {
 		myMetadata.Source = source
 	}
@@ -84,7 +84,7 @@ func (w *myUpstreamContextHandlerWrapperEx) NewConnectionEx(ctx context.Context,
 }
 
 func (w *myUpstreamContextHandlerWrapperEx) NewPacketConnectionEx(ctx context.Context, conn N.PacketConn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
-	_, myMetadata := ExtendContext(ctx)
+	myMetadata := ContextFrom(ctx)
 	if source.IsValid() {
 		myMetadata.Source = source
 	}
@@ -146,7 +146,7 @@ type routeContextHandlerWrapperEx struct {
 }
 
 func (r *routeContextHandlerWrapperEx) NewConnectionEx(ctx context.Context, conn net.Conn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
-	_, metadata := ExtendContext(ctx)
+	metadata := ContextFrom(ctx)
 	if source.IsValid() {
 		metadata.Source = source
 	}
@@ -157,7 +157,7 @@ func (r *routeContextHandlerWrapperEx) NewConnectionEx(ctx context.Context, conn
 }
 
 func (r *routeContextHandlerWrapperEx) NewPacketConnectionEx(ctx context.Context, conn N.PacketConn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
-	_, metadata := ExtendContext(ctx)
+	metadata := ContextFrom(ctx)
 	if source.IsValid() {
 		metadata.Source = source
 	}

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(),
+		Source:      metadata.Source,
-		Destination: metadata.Destination.Unwrap(),
+		Destination: metadata.Destination,
 	}
 }
 

box.go

@@ -22,6 +22,7 @@ import (
 	"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"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing-box/protocol/direct"
@@ -138,7 +139,7 @@ func New(options Options) (*Box, error) {
 	if experimentalOptions.V2RayAPI != nil && experimentalOptions.V2RayAPI.Listen != "" {
 		needV2RayAPI = true
 	}
-	platformInterface := service.FromContext[adapter.PlatformInterface](ctx)
+	platformInterface := service.FromContext[platform.Interface](ctx)
 	var defaultLogWriter io.Writer
 	if platformInterface != nil {
 		defaultLogWriter = io.Discard
@@ -183,7 +184,7 @@ func New(options Options) (*Box, error) {
 	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, dnsOptions)
+	networkManager, err := route.NewNetworkManager(ctx, logFactory.NewLogger("network"), routeOptions)
 	if err != nil {
 		return nil, E.Cause(err, "initialize network manager")
 	}
@@ -313,23 +314,22 @@ func New(options Options) (*Box, error) {
 			return nil, E.Cause(err, "initialize service[", i, "]")
 		}
 	}
-	outboundManager.Initialize(func() (adapter.Outbound, error) {
+	outboundManager.Initialize(common.Must1(
-		return direct.NewOutbound(
+		direct.NewOutbound(
 			ctx,
 			router,
 			logFactory.NewLogger("outbound/direct"),
 			"direct",
 			option.DirectOutboundOptions{},
-		)
+		),
-	})
+	))
-	dnsTransportManager.Initialize(func() (adapter.DNSTransport, error) {
+	dnsTransportManager.Initialize(common.Must1(
-		return local.NewTransport(
+		local.NewTransport(
 			ctx,
 			logFactory.NewLogger("dns/local"),
 			"local",
 			option.LocalDNSServerOptions{},
-		)
+		)))
-	})
 	if platformInterface != nil {
 		err = platformInterface.Initialize(networkManager)
 		if err != nil {
@@ -443,15 +443,15 @@ func (s *Box) preStart() error {
 	if err != nil {
 		return E.Cause(err, "start logger")
 	}
-	err = adapter.StartNamed(s.logger, adapter.StartStateInitialize, s.internalService) // cache-file clash-api v2ray-api
+	err = adapter.StartNamed(adapter.StartStateInitialize, s.internalService) // cache-file clash-api v2ray-api
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(s.logger, 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.dnsTransport, s.dnsRouter, s.connection, s.router, s.outbound, s.inbound, s.endpoint, s.service)
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(s.logger, adapter.StartStateStart, s.outbound, s.dnsTransport, s.dnsRouter, s.network, s.connection, s.router)
+	err = adapter.Start(adapter.StartStateStart, s.outbound, s.dnsTransport, s.dnsRouter, s.network, s.connection, s.router)
 	if err != nil {
 		return err
 	}
@@ -463,27 +463,27 @@ func (s *Box) start() error {
 	if err != nil {
 		return err
 	}
-	err = adapter.StartNamed(s.logger, adapter.StartStateStart, s.internalService)
+	err = adapter.StartNamed(adapter.StartStateStart, s.internalService)
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(s.logger, adapter.StartStateStart, s.inbound, s.endpoint, s.service)
+	err = adapter.Start(adapter.StartStateStart, s.inbound, s.endpoint, s.service)
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(s.logger, adapter.StartStatePostStart, s.outbound, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.inbound, s.endpoint, s.service)
+	err = adapter.Start(adapter.StartStatePostStart, s.outbound, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.inbound, s.endpoint, s.service)
 	if err != nil {
 		return err
 	}
-	err = adapter.StartNamed(s.logger, adapter.StartStatePostStart, s.internalService)
+	err = adapter.StartNamed(adapter.StartStatePostStart, s.internalService)
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(s.logger, adapter.StartStateStarted, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.outbound, s.inbound, s.endpoint, s.service)
+	err = adapter.Start(adapter.StartStateStarted, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.outbound, s.inbound, s.endpoint, s.service)
 	if err != nil {
 		return err
 	}
-	err = adapter.StartNamed(s.logger, adapter.StartStateStarted, s.internalService)
+	err = adapter.StartNamed(adapter.StartStateStarted, s.internalService)
 	if err != nil {
 		return err
 	}
@@ -497,42 +497,17 @@ func (s *Box) Close() error {
 	default:
 		close(s.done)
 	}
-	var err error
+	err := common.Close(
-	for _, closeItem := range []struct {
+		s.service, s.endpoint, s.inbound, s.outbound, s.router, s.connection, s.dnsRouter, s.dnsTransport, s.network,
-		name    string
+	)
-		service adapter.Lifecycle
-	}{
-		{"service", s.service},
-		{"endpoint", s.endpoint},
-		{"inbound", s.inbound},
-		{"outbound", s.outbound},
-		{"router", s.router},
-		{"connection", s.connection},
-		{"dns-router", s.dnsRouter},
-		{"dns-transport", s.dnsTransport},
-		{"network", s.network},
-	} {
-		s.logger.Trace("close ", closeItem.name)
-		startTime := time.Now()
-		err = E.Append(err, closeItem.service.Close(), func(err error) error {
-			return E.Cause(err, "close ", closeItem.name)
-		})
-		s.logger.Trace("close ", closeItem.name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
-	}
 	for _, lifecycleService := range s.internalService {
-		s.logger.Trace("close ", lifecycleService.Name())
-		startTime := time.Now()
 		err = E.Append(err, lifecycleService.Close(), func(err error) error {
 			return E.Cause(err, "close ", lifecycleService.Name())
 		})
-		s.logger.Trace("close ", lifecycleService.Name(), " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
-	s.logger.Trace("close logger")
-	startTime := time.Now()
 	err = E.Append(err, s.logFactory.Close(), func(err error) error {
 		return E.Cause(err, "close logger")
 	})
-	s.logger.Trace("close logger completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	return err
 }
 
@@ -551,7 +526,3 @@ func (s *Box) Inbound() adapter.InboundManager {
 func (s *Box) Outbound() adapter.OutboundManager {
 	return s.outbound
 }
-
-func (s *Box) LogFactory() log.Factory {
-	return s.logFactory
-}

cmd/internal/app_store_connect/main.go

@@ -134,7 +134,6 @@ func publishTestflight(ctx context.Context) error {
 			asc.PlatformTVOS,
 		}
 	}
-	waitingForProcess := false
 	for _, platform := range platforms {
 		log.Info(string(platform), " list builds")
 		for {
@@ -146,13 +145,12 @@ func publishTestflight(ctx context.Context) error {
 				return err
 			}
 			build := builds.Data[0]
-			if !waitingForProcess && (common.Contains(buildIDs, build.ID) || time.Since(build.Attributes.UploadedDate.Time) > 30*time.Minute) {
+			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
 			}
 			if *build.Attributes.ProcessingState != "VALID" {
-				waitingForProcess = true
 				log.Info(string(platform), " ", tag, " waiting for process: ", *build.Attributes.ProcessingState)
 				time.Sleep(15 * time.Second)
 				continue
@@ -179,7 +177,7 @@ func publishTestflight(ctx context.Context) error {
 			}
 			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) {
+			if response != nil && response.StatusCode == http.StatusUnprocessableEntity {
 				log.Info("waiting for process")
 				time.Sleep(15 * time.Second)
 				continue

cmd/internal/build_libbox/main.go

@@ -5,7 +5,6 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
-	"strconv"
 	"strings"
 
 	_ "github.com/sagernet/gomobile"
@@ -47,9 +46,8 @@ var (
 	sharedFlags []string
 	debugFlags  []string
 	sharedTags  []string
-	darwinTags  []string
+	iosTags     []string
 	memcTags    []string
-	notMemcTags []string
 	debugTags   []string
 )
 
@@ -60,37 +58,18 @@ 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")
+	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+" -checklinkname=0")
+	debugFlags = append(debugFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag)
 
-	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_utls", "with_naive_outbound", "with_clash_api", "with_conntrack", "badlinkname", "tfogo_checklinkname0")
+	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_utls", "with_clash_api", "with_conntrack")
-	darwinTags = append(darwinTags, "with_dhcp")
+	iosTags = append(iosTags, "with_dhcp", "with_low_memory")
 	memcTags = append(memcTags, "with_tailscale")
-	notMemcTags = append(notMemcTags, "with_low_memory")
 	debugTags = append(debugTags, "debug")
 }
 
-type AndroidBuildConfig struct {
+func buildAndroid() {
-	AndroidAPI int
+	build_shared.FindSDK()
-	OutputName string
-	Tags       []string
-}
 
-func filterTags(tags []string, exclude ...string) []string {
-	excludeMap := make(map[string]bool)
-	for _, tag := range exclude {
-		excludeMap[tag] = true
-	}
-	var result []string
-	for _, tag := range tags {
-		if !excludeMap[tag] {
-			result = append(result, tag)
-		}
-	}
-	return result
-}
-
-func checkJavaVersion() {
 	var javaPath string
 	javaHome := os.Getenv("JAVA_HOME")
 	if javaHome == "" {
@@ -106,24 +85,21 @@ func checkJavaVersion() {
 	if !strings.Contains(javaVersion, "openjdk 17") {
 		log.Fatal("java version should be openjdk 17")
 	}
-}
 
-func getAndroidBindTarget() string {
+	var bindTarget string
 	if platform != "" {
-		return platform
+		bindTarget = platform
 	} else if debugEnabled {
-		return "android/arm64"
+		bindTarget = "android/arm64"
+	} else {
+		bindTarget = "android"
 	}
-	return "android"
-}
 
-func buildAndroidVariant(config AndroidBuildConfig, bindTarget string) {
 	args := []string{
 		"bind",
 		"-v",
-		"-o", config.OutputName,
 		"-target", bindTarget,
-		"-androidapi", strconv.Itoa(config.AndroidAPI),
+		"-androidapi", "21",
 		"-javapkg=io.nekohasekai",
 		"-libname=box",
 	}
@@ -134,59 +110,34 @@ func buildAndroidVariant(config AndroidBuildConfig, bindTarget string) {
 		args = append(args, debugFlags...)
 	}
 
-	args = append(args, "-tags", strings.Join(config.Tags, ","))
+	tags := append(sharedTags, memcTags...)
+	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...)
 	command.Stdout = os.Stdout
 	command.Stderr = os.Stderr
-	err := command.Run()
+	err = command.Run()
 	if err != nil {
 		log.Fatal(err)
 	}
 
+	const name = "libbox.aar"
 	copyPath := filepath.Join("..", "sing-box-for-android", "app", "libs")
 	if rw.IsDir(copyPath) {
 		copyPath, _ = filepath.Abs(copyPath)
-		err = rw.CopyFile(config.OutputName, filepath.Join(copyPath, config.OutputName))
+		err = rw.CopyFile(name, filepath.Join(copyPath, name))
 		if err != nil {
 			log.Fatal(err)
 		}
-		log.Info("copied ", config.OutputName, " to ", copyPath)
+		log.Info("copied to ", copyPath)
 	}
 }
 
-func buildAndroid() {
-	build_shared.FindSDK()
-	checkJavaVersion()
-
-	bindTarget := getAndroidBindTarget()
-
-	// Build main variant (SDK 23)
-	mainTags := append([]string{}, sharedTags...)
-	mainTags = append(mainTags, memcTags...)
-	if debugEnabled {
-		mainTags = append(mainTags, debugTags...)
-	}
-	buildAndroidVariant(AndroidBuildConfig{
-		AndroidAPI: 23,
-		OutputName: "libbox.aar",
-		Tags:       mainTags,
-	}, bindTarget)
-
-	// Build legacy variant (SDK 21, no naive outbound)
-	legacyTags := filterTags(sharedTags, "with_naive_outbound")
-	legacyTags = append(legacyTags, memcTags...)
-	if debugEnabled {
-		legacyTags = append(legacyTags, debugTags...)
-	}
-	buildAndroidVariant(AndroidBuildConfig{
-		AndroidAPI: 21,
-		OutputName: "libbox-legacy.aar",
-		Tags:       legacyTags,
-	}, bindTarget)
-}
-
 func buildApple() {
 	var bindTarget string
 	if platform != "" {
@@ -202,7 +153,6 @@ func buildApple() {
 		"-v",
 		"-target", bindTarget,
 		"-libname=box",
-		"-tags-not-macos=with_low_memory",
 	}
 	if !withTailscale {
 		args = append(args, "-tags-macos="+strings.Join(memcTags, ","))
@@ -214,7 +164,7 @@ func buildApple() {
 		args = append(args, debugFlags...)
 	}
 
-	tags := append(sharedTags, darwinTags...)
+	tags := append(sharedTags, iosTags...)
 	if withTailscale {
 		tags = append(tags, memcTags...)
 	}

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_certificates/main.go

@@ -17,10 +17,6 @@ func main() {
 	if err != nil {
 		log.Error(err)
 	}
-	err = updateChromeIncludedRootCAs()
-	if err != nil {
-		log.Error(err)
-	}
 }
 
 func updateMozillaIncludedRootCAs() error {
@@ -73,94 +69,3 @@ func init() {
 	generated.WriteString("}\n")
 	return os.WriteFile("common/certificate/mozilla.go", []byte(generated.String()), 0o644)
 }
-
-func fetchChinaFingerprints() (map[string]bool, error) {
-	response, err := http.Get("https://ccadb.my.salesforce-sites.com/ccadb/AllCertificateRecordsCSVFormatv4")
-	if err != nil {
-		return nil, err
-	}
-	defer response.Body.Close()
-	reader := csv.NewReader(response.Body)
-	header, err := reader.Read()
-	if err != nil {
-		return nil, err
-	}
-	countryIndex := slices.Index(header, "Country")
-	fingerprintIndex := slices.Index(header, "SHA-256 Fingerprint")
-
-	chinaFingerprints := make(map[string]bool)
-	for {
-		record, err := reader.Read()
-		if err == io.EOF {
-			break
-		} else if err != nil {
-			return nil, err
-		}
-		if record[countryIndex] == "China" {
-			chinaFingerprints[record[fingerprintIndex]] = true
-		}
-	}
-	return chinaFingerprints, nil
-}
-
-func updateChromeIncludedRootCAs() error {
-	chinaFingerprints, err := fetchChinaFingerprints()
-	if err != nil {
-		return err
-	}
-
-	response, err := http.Get("https://ccadb.my.salesforce-sites.com/ccadb/RootCACertificatesIncludedByRSReportCSV")
-	if err != nil {
-		return err
-	}
-	defer response.Body.Close()
-	reader := csv.NewReader(response.Body)
-	header, err := reader.Read()
-	if err != nil {
-		return err
-	}
-	subjectIndex := slices.Index(header, "Subject")
-	statusIndex := slices.Index(header, "Google Chrome Status")
-	certIndex := slices.Index(header, "X.509 Certificate (PEM)")
-	fingerprintIndex := slices.Index(header, "SHA-256 Fingerprint")
-
-	generated := strings.Builder{}
-	generated.WriteString(`// Code generated by 'make update_certificates'. DO NOT EDIT.
-
-package certificate
-
-import "crypto/x509"
-
-var chromeIncluded *x509.CertPool
-
-func init() {
-	chromeIncluded = x509.NewCertPool()
-`)
-	for {
-		record, err := reader.Read()
-		if err == io.EOF {
-			break
-		} else if err != nil {
-			return err
-		}
-		if record[statusIndex] != "Included" {
-			continue
-		}
-		if chinaFingerprints[record[fingerprintIndex]] {
-			continue
-		}
-		generated.WriteString("\n	// ")
-		generated.WriteString(record[subjectIndex])
-		generated.WriteString("\n")
-		generated.WriteString("	chromeIncluded.AppendCertsFromPEM([]byte(`")
-		cert := record[certIndex]
-		// Remove single quotes if present
-		if len(cert) > 0 && cert[0] == '\'' {
-			cert = cert[1 : len(cert)-1]
-		}
-		generated.WriteString(cert)
-		generated.WriteString("`))\n")
-	}
-	generated.WriteString("}\n")
-	return os.WriteFile("common/certificate/chrome.go", []byte(generated.String()), 0o644)
-}

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_tools_fetch_http3.go

@@ -22,7 +22,7 @@ func initializeHTTP3Client(instance *box.Box) error {
 	}
 	http3Client = &http.Client{
 		Transport: &http3.Transport{
-			Dial: func(ctx context.Context, addr string, tlsCfg *tls.Config, cfg *quic.Config) (*quic.Conn, error) {
+			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)
 				if dErr != nil {

common/badtls/raw_conn.go

@@ -1,176 +0,0 @@
-//go:build go1.25 && badlinkname
-
-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
-	Tmp        *[16]byte
-}
-
-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()))
-
-	rawTmp := rawConn.FieldByName("tmp")
-	if !rawTmp.IsValid() || rawTmp.Kind() != reflect.Array || rawTmp.Len() != 16 || rawTmp.Type().Elem().Kind() != reflect.Uint8 {
-		return nil, E.New("invalid Conn.tmp")
-	}
-	conn.Tmp = (*[16]byte)(unsafe.Pointer(rawTmp.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 && badlinkname
-
-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 && badlinkname
+//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"
 )
@@ -12,21 +21,63 @@ var _ N.ReadWaiter = (*ReadWaitConn)(nil)
 
 type ReadWaitConn struct {
 	tls.Conn
-	rawConn         *RawConn
+	halfAccess                    *sync.Mutex
-	readWaitOptions N.ReadWaitOptions
+	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) {
-	if _, isReadWaitConn := conn.(N.ReadWaiter); isReadWaitConn {
+	var (
-		return conn, nil
+		loaded                        bool
+		tlsReadRecord                 func() error
+		tlsHandlePostHandshakeMessage func() error
+	)
+	for _, tlsCreator := range tlsRegistry {
+		loaded, tlsReadRecord, tlsHandlePostHandshakeMessage = tlsCreator(conn)
+		if loaded {
+			break
+		}
 	}
-	rawConn, err := NewRawConn(conn)
+	if !loaded {
-	if err != nil {
+		return nil, os.ErrInvalid
-		return nil, err
 	}
+	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,
+		Conn:                          conn,
-		rawConn: rawConn,
+		halfAccess:                    halfAccess,
+		rawInput:                      rawInput,
+		input:                         input,
+		hand:                          hand,
+		tlsReadRecord:                 tlsReadRecord,
+		tlsHandlePostHandshakeMessage: tlsHandlePostHandshakeMessage,
 	}, nil
 }
 
@@ -36,36 +87,36 @@ func (c *ReadWaitConn) InitializeReadWaiter(options N.ReadWaitOptions) (needCopy
 }
 
 func (c *ReadWaitConn) WaitReadBuffer() (buffer *buf.Buffer, err error) {
-	//err = c.HandshakeContext(context.Background())
+	err = c.HandshakeContext(context.Background())
-	//if err != nil {
+	if err != nil {
-	//	return
+		return
-	//}
+	}
-	c.rawConn.In.Lock()
+	c.halfAccess.Lock()
-	defer c.rawConn.In.Unlock()
+	defer c.halfAccess.Unlock()
-	for c.rawConn.Input.Len() == 0 {
+	for c.input.Len() == 0 {
-		err = c.rawConn.ReadRecord()
+		err = c.tlsReadRecord()
 		if err != nil {
 			return
 		}
-		for c.rawConn.Hand.Len() > 0 {
+		for c.hand.Len() > 0 {
-			err = c.rawConn.HandlePostHandshakeMessage()
+			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 &&
+	if n != 0 && c.input.Len() == 0 && c.rawInput.Len() > 0 &&
-		// recordType(c.RawInput.Bytes()[0]) == recordTypeAlert {
+		// recordType(c.rawInput.Bytes()[0]) == recordTypeAlert {
-		c.rawConn.RawInput.Bytes()[0] == 21 {
+		c.rawInput.Bytes()[0] == 21 {
-		_ = c.rawConn.ReadRecord()
+		_ = c.tlsReadRecord()
 		// return n, err // will be io.EOF on closeNotify
 	}
 
@@ -77,6 +128,24 @@ func (c *ReadWaitConn) Upstream() any {
 	return c.Conn
 }
 
-func (c *ReadWaitConn) ReaderReplaceable() bool {
+var tlsRegistry []func(conn net.Conn) (loaded bool, tlsReadRecord func() error, tlsHandlePostHandshakeMessage func() error)
-	return true
+
+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_stub.go

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

common/badtls/read_wait_utls.go

@@ -0,0 +1,32 @@
+//go:build go1.21 && !without_badtls && with_utls
+
+package badtls
+
+import (
+	"net"
+	_ "unsafe"
+
+	"github.com/sagernet/sing/common"
+
+	"github.com/metacubex/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/metacubex/utls.(*Conn).readRecord
+func utlsReadRecord(c *tls.Conn) error
+
+//go:linkname utlsHandlePostHandshakeMessage github.com/metacubex/utls.(*Conn).handlePostHandshakeMessage
+func utlsHandlePostHandshakeMessage(c *tls.Conn) error

common/badtls/registry.go

@@ -1,62 +0,0 @@
-//go:build go1.25 && badlinkname
-
-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 && badlinkname
-
-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/badversion/version.go

@@ -5,8 +5,6 @@ import (
 	"strings"
 
 	F "github.com/sagernet/sing/common/format"
-
-	"golang.org/x/mod/semver"
 )
 
 type Version struct {
@@ -18,19 +16,7 @@ type Version struct {
 	PreReleaseVersion    int
 }
 
-func (v Version) LessThan(anotherVersion Version) bool {
+func (v Version) After(anotherVersion Version) bool {
-	return !v.GreaterThanOrEqual(anotherVersion)
-}
-
-func (v Version) LessThanOrEqual(anotherVersion Version) bool {
-	return v == anotherVersion || anotherVersion.GreaterThan(v)
-}
-
-func (v Version) GreaterThanOrEqual(anotherVersion Version) bool {
-	return v == anotherVersion || v.GreaterThan(anotherVersion)
-}
-
-func (v Version) GreaterThan(anotherVersion Version) bool {
 	if v.Major > anotherVersion.Major {
 		return true
 	} else if v.Major < anotherVersion.Major {
@@ -58,29 +44,19 @@ func (v Version) GreaterThan(anotherVersion Version) bool {
 			} else if v.PreReleaseVersion < anotherVersion.PreReleaseVersion {
 				return false
 			}
-		}
+		} else if v.PreReleaseIdentifier == "rc" && anotherVersion.PreReleaseIdentifier == "beta" {
-		preReleaseIdentifier := parsePreReleaseIdentifier(v.PreReleaseIdentifier)
-		anotherPreReleaseIdentifier := parsePreReleaseIdentifier(anotherVersion.PreReleaseIdentifier)
-		if preReleaseIdentifier < anotherPreReleaseIdentifier {
 			return true
-		} else if preReleaseIdentifier > anotherPreReleaseIdentifier {
+		} else if v.PreReleaseIdentifier == "beta" && anotherVersion.PreReleaseIdentifier == "rc" {
+			return false
+		} else if v.PreReleaseIdentifier == "beta" && anotherVersion.PreReleaseIdentifier == "alpha" {
+			return true
+		} else if v.PreReleaseIdentifier == "alpha" && anotherVersion.PreReleaseIdentifier == "beta" {
 			return false
 		}
 	}
 	return false
 }
 
-func parsePreReleaseIdentifier(identifier string) int {
-	if strings.HasPrefix(identifier, "rc") {
-		return 1
-	} else if strings.HasPrefix(identifier, "beta") {
-		return 2
-	} else if strings.HasPrefix(identifier, "alpha") {
-		return 3
-	}
-	return 0
-}
-
 func (v Version) VersionString() string {
 	return F.ToString(v.Major, ".", v.Minor, ".", v.Patch)
 }
@@ -107,10 +83,6 @@ func (v Version) BadString() string {
 	return version
 }
 
-func IsValid(versionName string) bool {
-	return semver.IsValid("v" + versionName)
-}
-
 func Parse(versionName string) (version Version) {
 	if strings.HasPrefix(versionName, "v") {
 		versionName = versionName[1:]

common/badversion/version_test.go

@@ -10,9 +10,9 @@ func TestCompareVersion(t *testing.T) {
 	t.Parallel()
 	require.Equal(t, "1.3.0-beta.1", Parse("v1.3.0-beta1").String())
 	require.Equal(t, "1.3-beta1", Parse("v1.3.0-beta.1").BadString())
-	require.True(t, Parse("1.3.0").GreaterThan(Parse("1.3-beta1")))
+	require.True(t, Parse("1.3.0").After(Parse("1.3-beta1")))
-	require.True(t, Parse("1.3.0").GreaterThan(Parse("1.3.0-beta1")))
+	require.True(t, Parse("1.3.0").After(Parse("1.3.0-beta1")))
-	require.True(t, Parse("1.3.0-beta1").GreaterThan(Parse("1.3.0-alpha1")))
+	require.True(t, Parse("1.3.0-beta1").After(Parse("1.3.0-alpha1")))
-	require.True(t, Parse("1.3.1").GreaterThan(Parse("1.3.0")))
+	require.True(t, Parse("1.3.1").After(Parse("1.3.0")))
-	require.True(t, Parse("1.4").GreaterThan(Parse("1.3")))
+	require.True(t, Parse("1.4").After(Parse("1.3")))
 }

common/certificate/store.go

@@ -7,11 +7,11 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
-	"sync"
 
 	"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"
@@ -21,7 +21,6 @@ import (
 var _ adapter.CertificateStore = (*Store)(nil)
 
 type Store struct {
-	access                    sync.RWMutex
 	systemPool                *x509.CertPool
 	currentPool               *x509.CertPool
 	certificate               string
@@ -35,7 +34,7 @@ func NewStore(ctx context.Context, logger logger.Logger, options option.Certific
 	switch options.Store {
 	case C.CertificateStoreSystem, "":
 		systemPool = x509.NewCertPool()
-		platformInterface := service.FromContext[adapter.PlatformInterface](ctx)
+		platformInterface := service.FromContext[platform.Interface](ctx)
 		var systemValid bool
 		if platformInterface != nil {
 			for _, cert := range platformInterface.SystemCertificates() {
@@ -53,8 +52,6 @@ func NewStore(ctx context.Context, logger logger.Logger, options option.Certific
 		}
 	case C.CertificateStoreMozilla:
 		systemPool = mozillaIncluded
-	case C.CertificateStoreChrome:
-		systemPool = chromeIncluded
 	case C.CertificateStoreNone:
 		systemPool = nil
 	default:
@@ -118,14 +115,10 @@ func (s *Store) Close() error {
 }
 
 func (s *Store) Pool() *x509.CertPool {
-	s.access.RLock()
-	defer s.access.RUnlock()
 	return s.currentPool
 }
 
 func (s *Store) update() error {
-	s.access.Lock()
-	defer s.access.Unlock()
 	var currentPool *x509.CertPool
 	if s.systemPool == nil {
 		currentPool = x509.NewCertPool()

common/convertor/adguard/convertor.go

@@ -454,5 +454,5 @@ 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
 }

common/dialer/default.go

@@ -12,15 +12,15 @@ import (
 	"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"
-
-	"github.com/database64128/tfo-go/v2"
 )
 
 var (
@@ -29,8 +29,8 @@ var (
 )
 
 type DefaultDialer struct {
-	dialer4                tfo.Dialer
+	dialer4                tcpDialer
-	dialer6                tfo.Dialer
+	dialer6                tcpDialer
 	udpDialer4             net.Dialer
 	udpDialer6             net.Dialer
 	udpListener            net.ListenConfig
@@ -43,12 +43,12 @@ type DefaultDialer struct {
 	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[adapter.PlatformInterface](ctx)
+	platformInterface := service.FromContext[platform.Interface](ctx)
 
 	var (
 		dialer                 net.Dialer
@@ -89,35 +89,37 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 
 	if networkManager != nil {
 		defaultOptions := networkManager.DefaultOptions()
-		if defaultOptions.BindInterface != "" {
+		if !disableDefaultBind {
-			bindFunc := control.BindToInterface(networkManager.InterfaceFinder(), defaultOptions.BindInterface, -1)
+			if defaultOptions.BindInterface != "" {
-			dialer.Control = control.Append(dialer.Control, bindFunc)
+				bindFunc := control.BindToInterface(networkManager.InterfaceFinder(), defaultOptions.BindInterface, -1)
-			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 {
-					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)
-			} else {
-				bindFunc := networkManager.AutoDetectInterfaceFunc()
 				dialer.Control = control.Append(dialer.Control, bindFunc)
 				listener.Control = control.Append(listener.Control, bindFunc)
+			} else if networkManager.AutoDetectInterface() {
+				if platformInterface != nil {
+					networkStrategy = (*C.NetworkStrategy)(options.NetworkStrategy)
+					networkType = common.Map(options.NetworkType, option.InterfaceType.Build)
+					fallbackNetworkType = common.Map(options.FallbackNetworkType, option.InterfaceType.Build)
+					if networkStrategy == nil && len(networkType) == 0 && len(fallbackNetworkType) == 0 {
+						networkStrategy = defaultOptions.NetworkStrategy
+						networkType = defaultOptions.NetworkType
+						fallbackNetworkType = defaultOptions.FallbackNetworkType
+					}
+					networkFallbackDelay = time.Duration(options.FallbackDelay)
+					if networkFallbackDelay == 0 && defaultOptions.FallbackDelay != 0 {
+						networkFallbackDelay = defaultOptions.FallbackDelay
+					}
+					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)
+				} else {
+					bindFunc := networkManager.AutoDetectInterfaceFunc()
+					dialer.Control = control.Append(dialer.Control, bindFunc)
+					listener.Control = control.Append(listener.Control, bindFunc)
+				}
 			}
 		}
 		if options.RoutingMark == 0 && defaultOptions.RoutingMark != 0 {
@@ -125,11 +127,6 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 			listener.Control = control.Append(listener.Control, setMarkWrapper(networkManager, defaultOptions.RoutingMark, true))
 		}
 	}
-	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())
 	}
@@ -142,18 +139,9 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 	} else {
 		dialer.Timeout = C.TCPConnectTimeout
 	}
-	if !options.DisableTCPKeepAlive {
+	// TODO: Add an option to customize the keep alive period
-		keepIdle := time.Duration(options.TCPKeepAlive)
+	dialer.KeepAlive = C.TCPKeepAliveInitial
-		if keepIdle == 0 {
+	dialer.Control = control.Append(dialer.Control, control.SetKeepAlivePeriod(C.TCPKeepAliveInitial, C.TCPKeepAliveInterval))
-			keepIdle = C.TCPKeepAliveInitial
-		}
-		keepInterval := time.Duration(options.TCPKeepAliveInterval)
-		if keepInterval == 0 {
-			keepInterval = C.TCPKeepAliveInterval
-		}
-		dialer.KeepAlive = keepIdle
-		dialer.Control = control.Append(dialer.Control, control.SetKeepAlivePeriod(keepIdle, keepInterval))
-	}
 	var udpFragment bool
 	if options.UDPFragment != nil {
 		udpFragment = *options.UDPFragment
@@ -187,10 +175,19 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 		udpAddr6 = M.SocksaddrFrom(bindAddr, 0).String()
 	}
 	if options.TCPMultiPath {
-		dialer4.SetMultipathTCP(true)
+		if !go121Available {
+			return nil, E.New("MultiPath TCP requires go1.21, please recompile your binary.")
+		}
+		setMultiPathTCP(&dialer4)
+	}
+	tcpDialer4, err := newTCPDialer(dialer4, options.TCPFastOpen)
+	if err != nil {
+		return nil, err
+	}
+	tcpDialer6, err := newTCPDialer(dialer6, options.TCPFastOpen)
+	if err != nil {
+		return nil, err
 	}
-	tcpDialer4 := tfo.Dialer{Dialer: dialer4, DisableTFO: !options.TCPFastOpen}
-	tcpDialer6 := tfo.Dialer{Dialer: dialer6, DisableTFO: !options.TCPFastOpen}
 	return &DefaultDialer{
 		dialer4:                tcpDialer4,
 		dialer6:                tcpDialer6,
@@ -270,11 +267,11 @@ func (d *DefaultDialer) DialParallelInterface(ctx context.Context, network strin
 	}
 	var dialer net.Dialer
 	if N.NetworkName(network) == N.NetworkTCP {
-		dialer = d.dialer4.Dialer
+		dialer = dialerFromTCPDialer(d.dialer4)
 	} 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
@@ -316,14 +313,6 @@ func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksadd
 	}
 }
 
-func (d *DefaultDialer) DialerForICMPDestination(destination netip.Addr) net.Dialer {
-	if !destination.Is6() {
-		return d.dialer6.Dialer
-	} else {
-		return d.dialer4.Dialer
-	}
-}
-
 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
@@ -357,8 +346,18 @@ func (d *DefaultDialer) ListenSerialInterfacePacket(ctx context.Context, destina
 	return trackPacketConn(packetConn, nil)
 }
 
-func (d *DefaultDialer) WireGuardControl() control.Func {
+func (d *DefaultDialer) ListenPacketCompat(network, address string) (net.PacketConn, error) {
-	return d.udpListener.Control
+	udpListener := d.udpListener
+	udpListener.Control = control.Append(udpListener.Control, func(network, address string, conn syscall.RawConn) error {
+		for _, wgControlFn := range WgControlFns {
+			err := wgControlFn(network, address, conn)
+			if err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+	return udpListener.ListenPacket(context.Background(), network, address)
 }
 
 func trackConn(conn net.Conn, err error) (net.Conn, error) {

common/dialer/default_go1.20.go

@@ -0,0 +1,19 @@
+//go:build go1.20
+
+package dialer
+
+import (
+	"net"
+
+	"github.com/metacubex/tfo-go"
+)
+
+type tcpDialer = tfo.Dialer
+
+func newTCPDialer(dialer net.Dialer, tfoEnabled bool) (tcpDialer, error) {
+	return tfo.Dialer{Dialer: dialer, DisableTFO: !tfoEnabled}, nil
+}
+
+func dialerFromTCPDialer(dialer tcpDialer) net.Dialer {
+	return dialer.Dialer
+}

common/dialer/default_go1.21.go

@@ -0,0 +1,11 @@
+//go:build go1.21
+
+package dialer
+
+import "net"
+
+const go121Available = true
+
+func setMultiPathTCP(dialer *net.Dialer) {
+	dialer.SetMultipathTCP(true)
+}

common/dialer/default_nongo1.20.go

@@ -0,0 +1,22 @@
+//go:build !go1.20
+
+package dialer
+
+import (
+	"net"
+
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+type tcpDialer = net.Dialer
+
+func newTCPDialer(dialer net.Dialer, tfoEnabled bool) (tcpDialer, error) {
+	if tfoEnabled {
+		return dialer, E.New("TCP Fast Open requires go1.20, please recompile your binary.")
+	}
+	return dialer, nil
+}
+
+func dialerFromTCPDialer(dialer tcpDialer) net.Dialer {
+	return dialer
+}

common/dialer/default_nongo1.21.go

@@ -0,0 +1,12 @@
+//go:build !go1.21
+
+package dialer
+
+import (
+	"net"
+)
+
+const go121Available = false
+
+func setMultiPathTCP(dialer *net.Dialer) {
+}

common/dialer/dialer.go

@@ -89,6 +89,7 @@ func NewWithOptions(options Options) (N.Dialer, error) {
 			dnsQueryOptions = adapter.DNSQueryOptions{
 				Transport:    transport,
 				Strategy:     strategy,
+				Timeout:      time.Duration(dialOptions.DomainResolver.Timeout),
 				DisableCache: dialOptions.DomainResolver.DisableCache,
 				RewriteTTL:   dialOptions.DomainResolver.RewriteTTL,
 				ClientSubnet: dialOptions.DomainResolver.ClientSubnet.Build(netip.Prefix{}),
@@ -111,7 +112,7 @@ func NewWithOptions(options Options) (N.Dialer, error) {
 					dnsQueryOptions.Transport = dnsTransport.Default()
 				} else if options.NewDialer {
 					return nil, E.New("missing domain resolver for domain server address")
-				} else {
+				} else if !options.DirectOutbound {
 					deprecated.Report(options.Context, deprecated.OptionMissingDomainResolver)
 				}
 			}

common/dialer/tfo.go

@@ -1,3 +1,5 @@
+//go:build go1.20
+
 package dialer
 
 import (
@@ -6,15 +8,13 @@ import (
 	"net"
 	"os"
 	"sync"
-	"sync/atomic"
 	"time"
 
-	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/bufio"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 
-	"github.com/database64128/tfo-go/v2"
+	"github.com/metacubex/tfo-go"
 )
 
 type slowOpenConn struct {
@@ -22,7 +22,7 @@ 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
@@ -30,7 +30,7 @@ type slowOpenConn struct {
 	err         error
 }
 
-func DialSlowContext(dialer *tfo.Dialer, ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+func DialSlowContext(dialer *tcpDialer, ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
 	if dialer.DisableTFO || N.NetworkName(network) != N.NetworkTCP {
 		switch N.NetworkName(network) {
 		case N.NetworkTCP, N.NetworkUDP:
@@ -50,25 +50,22 @@ func DialSlowContext(dialer *tfo.Dialer, ctx context.Context, network string, de
 }
 
 func (c *slowOpenConn) Read(b []byte) (n int, err error) {
-	conn := c.conn.Load()
+	if c.conn == nil {
-	if conn != nil {
+		select {
-		return conn.Read(b)
+		case <-c.create:
-	}
+			if c.err != nil {
-	select {
+				return 0, c.err
-	case <-c.create:
+			}
-		if c.err != nil {
+		case <-c.done:
-			return 0, c.err
+			return 0, os.ErrClosed
 		}
-		return c.conn.Load().Read(b)
-	case <-c.done:
-		return 0, os.ErrClosed
 	}
+	return c.conn.Read(b)
 }
 
 func (c *slowOpenConn) Write(b []byte) (n int, err error) {
-	tcpConn := c.conn.Load()
+	if c.conn != nil {
-	if tcpConn != nil {
+		return c.conn.Write(b)
-		return tcpConn.Write(b)
 	}
 	c.access.Lock()
 	defer c.access.Unlock()
@@ -77,7 +74,7 @@ func (c *slowOpenConn) Write(b []byte) (n int, err error) {
 		if c.err != nil {
 			return 0, c.err
 		}
-		return c.conn.Load().Write(b)
+		return c.conn.Write(b)
 	case <-c.done:
 		return 0, os.ErrClosed
 	default:
@@ -86,7 +83,7 @@ func (c *slowOpenConn) Write(b []byte) (n int, err error) {
 	if err != nil {
 		c.err = err
 	} else {
-		c.conn.Store(conn.(*net.TCPConn))
+		c.conn = conn
 	}
 	n = len(b)
 	close(c.create)
@@ -96,77 +93,70 @@ 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 c.conn != nil {
-		if conn != nil {
+			c.conn.Close()
-			conn.Close()
 		}
 	})
 	return nil
 }
 
 func (c *slowOpenConn) LocalAddr() net.Addr {
-	conn := c.conn.Load()
+	if c.conn == nil {
-	if conn == nil {
 		return M.Socksaddr{}
 	}
-	return conn.LocalAddr()
+	return c.conn.LocalAddr()
 }
 
 func (c *slowOpenConn) RemoteAddr() net.Addr {
-	conn := c.conn.Load()
+	if c.conn == nil {
-	if 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 c.conn == nil {
-	if 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 c.conn == nil {
-	if 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 c.conn == nil {
-	if 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 c.conn == nil {
-	if conn == nil {
 		select {
 		case <-c.create:
 			if c.err != nil {
@@ -176,5 +166,5 @@ func (c *slowOpenConn) WriteTo(w io.Writer) (n int64, err error) {
 			return 0, c.err
 		}
 	}
-	return bufio.Copy(w, c.conn.Load())
+	return bufio.Copy(w, c.conn)
 }

common/dialer/tfo_stub.go

@@ -0,0 +1,20 @@
+//go:build !go1.20
+
+package dialer
+
+import (
+	"context"
+	"net"
+
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+)
+
+func DialSlowContext(dialer *tcpDialer, ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+	switch N.NetworkName(network) {
+	case N.NetworkTCP, N.NetworkUDP:
+		return dialer.DialContext(ctx, network, destination.String())
+	default:
+		return dialer.DialContext(ctx, network, destination.AddrString())
+	}
+}

common/dialer/wireguard.go

@@ -1,9 +1,13 @@
 package dialer
 
 import (
+	"net"
+
 	"github.com/sagernet/sing/common/control"
 )
 
 type WireGuardListener interface {
-	WireGuardControl() control.Func
+	ListenPacketCompat(network, address string) (net.PacketConn, error)
 }
+
+var WgControlFns []control.Func

common/ktls/ktls.go

@@ -1,133 +0,0 @@
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-import (
-	"bytes"
-	"context"
-	"crypto/tls"
-	"errors"
-	"io"
-	"net"
-	"os"
-	"syscall"
-
-	"github.com/sagernet/sing-box/common/badtls"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/logger"
-	N "github.com/sagernet/sing/common/network"
-	aTLS "github.com/sagernet/sing/common/tls"
-
-	"golang.org/x/sys/unix"
-)
-
-type Conn struct {
-	aTLS.Conn
-	ctx             context.Context
-	logger          logger.ContextLogger
-	conn            net.Conn
-	rawConn         *badtls.RawConn
-	syscallConn     syscall.Conn
-	rawSyscallConn  syscall.RawConn
-	readWaitOptions N.ReadWaitOptions
-	kernelTx        bool
-	kernelRx        bool
-	pendingRxSplice bool
-}
-
-func NewConn(ctx context.Context, logger logger.ContextLogger, conn aTLS.Conn, txOffload, rxOffload bool) (aTLS.Conn, error) {
-	err := Load()
-	if err != nil {
-		return nil, err
-	}
-	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, "handle post-handshake messages")
-			}
-		}
-	}
-	kConn := &Conn{
-		Conn:           conn,
-		ctx:            ctx,
-		logger:         logger,
-		conn:           conn.NetConn(),
-		rawConn:        rawConn,
-		syscallConn:    syscallConn,
-		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) SyscallConnForRead() syscall.RawConn {
-	if !c.kernelRx {
-		return nil
-	}
-	if !*c.rawConn.IsClient {
-		c.logger.WarnContext(c.ctx, "ktls: RX splice is unavailable on the server size, since it will cause an unknown failure")
-		return nil
-	}
-	c.logger.DebugContext(c.ctx, "ktls: RX splice requested")
-	return c.rawSyscallConn
-}
-
-func (c *Conn) HandleSyscallReadError(inputErr error) ([]byte, error) {
-	if errors.Is(inputErr, unix.EINVAL) {
-		c.pendingRxSplice = true
-		err := c.readRecord()
-		if err != nil {
-			return nil, E.Cause(err, "ktls: handle non-application-data record")
-		}
-		var input bytes.Buffer
-		if c.rawConn.Input.Len() > 0 {
-			_, err = c.rawConn.Input.WriteTo(&input)
-			if err != nil {
-				return nil, err
-			}
-		}
-		return input.Bytes(), nil
-	} else if errors.Is(inputErr, unix.EBADMSG) {
-		return nil, c.rawConn.In.SetErrorLocked(c.sendAlert(alertBadRecordMAC))
-	} else {
-		return nil, E.Cause(inputErr, "ktls: unexpected errno")
-	}
-}
-
-func (c *Conn) SyscallConnForWrite() syscall.RawConn {
-	if !c.kernelTx {
-		return nil
-	}
-	c.logger.DebugContext(c.ctx, "ktls: TX splice requested")
-	return c.rawSyscallConn
-}

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 && badlinkname
-
-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.rawConn.Tmp[0] = alertLevelWarning
-	default:
-		c.rawConn.Tmp[0] = alertLevelError
-	}
-	c.rawConn.Tmp[1] = byte(err)
-
-	_, writeErr := c.writeRecordLocked(recordTypeAlert, c.rawConn.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 && badlinkname
-
-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 && badlinkname
-
-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 && badlinkname
-
-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 && badlinkname
-
-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 && badlinkname
-
-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

@@ -1,329 +0,0 @@
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-import (
-	"crypto/tls"
-	"errors"
-	"io"
-	"os"
-	"strings"
-	"sync"
-	"syscall"
-	"unsafe"
-
-	"github.com/sagernet/sing-box/common/badversion"
-	"github.com/sagernet/sing/common/control"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/shell"
-
-	"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) {
-	var uname unix.Utsname
-	err := unix.Uname(&uname)
-	if err != nil {
-		return nil, err
-	}
-
-	kernelVersion := badversion.Parse(strings.Trim(string(uname.Release[:]), "\x00"))
-	if err != nil {
-		return nil, err
-	}
-	var support Support
-	switch {
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 6, Minor: 14}):
-		support.TLS_Version13_KeyUpdate = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 6, Minor: 1}):
-		support.TLS_ARIA_GCM = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 6}):
-		support.TLS_Version13_RX = true
-		support.TLS_RX_NOPADDING = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 5, Minor: 19}):
-		support.TLS_TX_ZEROCOPY = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 5, Minor: 16}):
-		support.TLS_SM4 = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 5, Minor: 11}):
-		support.TLS_CHACHA20_POLY1305 = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 5, Minor: 2}):
-		support.TLS_AES_128_CCM = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 5, Minor: 1}):
-		support.TLS_AES_256_GCM = true
-		support.TLS_Version13 = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 4, Minor: 17}):
-		support.TLS_RX = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 4, Minor: 13}):
-		support.TLS = true
-	}
-
-	if support.TLS && support.TLS_Version13 {
-		_, err := os.Stat("/sys/module/tls")
-		if err != nil {
-			if os.Getuid() == 0 {
-				output, err := shell.Exec("modprobe", "tls").Read()
-				if err != nil {
-					return nil, E.Extend(E.Cause(err, "modprobe tls"), output)
-				}
-			} else {
-				return nil, E.New("ktls: kernel TLS module not loaded")
-			}
-		}
-	}
-
-	return &support, nil
-})
-
-func Load() error {
-	support, err := KernelSupport()
-	if err != nil {
-		return E.Cause(err, "ktls: check availability")
-	}
-	if !support.TLS || !support.TLS_Version13 {
-		return E.New("ktls: kernel does not support TLS 1.3")
-	}
-	return nil
-}
-
-func (c *Conn) setupKernel(txOffload, rxOffload bool) error {
-	if !txOffload && !rxOffload {
-		return os.ErrInvalid
-	}
-	support, err := KernelSupport()
-	if err != nil {
-		return E.Cause(err, "check availability")
-	}
-	if !support.TLS || !support.TLS_Version13 {
-		return E.New("kernel does not support TLS 1.3")
-	}
-	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 os.NewSyscallError("setsockopt", err)
-	}
-
-	if txOffload {
-		txCrypto := kernelCipher(support, c.rawConn.Out, *c.rawConn.CipherSuite, false)
-		if txCrypto == nil {
-			return E.New("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
-		c.logger.DebugContext(c.ctx, "ktls: kernel TLS TX enabled")
-	}
-
-	if rxOffload {
-		rxCrypto := kernelCipher(support, c.rawConn.In, *c.rawConn.CipherSuite, true)
-		if rxCrypto == nil {
-			return E.New("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 *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
-		c.logger.DebugContext(c.ctx, "ktls: kernel TLS RX enabled")
-	}
-	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 || c.pendingRxSplice
-	})
-	if er != nil {
-		return 0, nil, er
-	}
-	switch err {
-	case nil:
-	case syscall.EINVAL, syscall.EAGAIN:
-		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, c.rawConn.In.SetErrorLocked(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 && badlinkname
-
-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 && badlinkname
-
-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 && badlinkname
-
-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_nolinkname.go

@@ -1,15 +0,0 @@
-//go:build linux && go1.25 && !badlinkname
-
-package ktls
-
-import (
-	"context"
-
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/logger"
-	aTLS "github.com/sagernet/sing/common/tls"
-)
-
-func NewConn(ctx context.Context, logger logger.ContextLogger, conn aTLS.Conn, txOffload, rxOffload bool) (aTLS.Conn, error) {
-	return nil, E.New("kTLS requires build flags `badlinkname` and `-ldflags=-checklinkname=0`, please recompile your binary")
-}

common/ktls/ktls_stub_nonlinux.go

@@ -1,15 +0,0 @@
-//go:build !linux
-
-package ktls
-
-import (
-	"context"
-
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/logger"
-	aTLS "github.com/sagernet/sing/common/tls"
-)
-
-func NewConn(ctx context.Context, logger logger.ContextLogger, conn aTLS.Conn, txOffload, rxOffload bool) (aTLS.Conn, error) {
-	return nil, E.New("kTLS is only supported on Linux")
-}

common/ktls/ktls_stub_oldgo.go

@@ -1,15 +0,0 @@
-//go:build linux && !go1.25
-
-package ktls
-
-import (
-	"context"
-
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/logger"
-	aTLS "github.com/sagernet/sing/common/tls"
-)
-
-func NewConn(ctx context.Context, logger logger.ContextLogger, conn aTLS.Conn, txOffload, rxOffload bool) (aTLS.Conn, error) {
-	return nil, E.New("kTLS requires Go 1.25 or later, please recompile your binary")
-}

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 && badlinkname
-
-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_go121.go

@@ -0,0 +1,11 @@
+//go:build go1.21
+
+package listener
+
+import "net"
+
+const go121Available = true
+
+func setMultiPathTCP(listenConfig *net.ListenConfig) {
+	listenConfig.SetMultipathTCP(true)
+}

common/listener/listener_go123.go

@@ -0,0 +1,16 @@
+//go:build go1.23
+
+package listener
+
+import (
+	"net"
+	"time"
+)
+
+func setKeepAliveConfig(listener *net.ListenConfig, idle time.Duration, interval time.Duration) {
+	listener.KeepAliveConfig = net.KeepAliveConfig{
+		Enable:   true,
+		Idle:     idle,
+		Interval: interval,
+	}
+}

common/listener/listener_nongo121.go

@@ -0,0 +1,10 @@
+//go:build !go1.21
+
+package listener
+
+import "net"
+
+const go121Available = false
+
+func setMultiPathTCP(listenConfig *net.ListenConfig) {
+}

common/listener/listener_nongo123.go

@@ -0,0 +1,15 @@
+//go:build !go1.23
+
+package listener
+
+import (
+	"net"
+	"time"
+
+	"github.com/sagernet/sing/common/control"
+)
+
+func setKeepAliveConfig(listener *net.ListenConfig, idle time.Duration, interval time.Duration) {
+	listener.KeepAlive = idle
+	listener.Control = control.Append(listener.Control, control.SetKeepAlivePeriod(idle, interval))
+}

common/listener/listener_tcp.go

@@ -3,7 +3,6 @@ package listener
 import (
 	"net"
 	"net/netip"
-	"strings"
 	"syscall"
 	"time"
 
@@ -17,7 +16,7 @@ import (
 	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/service"
 
-	"github.com/database64128/tfo-go/v2"
+	"github.com/metacubex/tfo-go"
 )
 
 func (l *Listener) ListenTCP() (net.Listener, error) {
@@ -37,7 +36,7 @@ func (l *Listener) ListenTCP() (net.Listener, error) {
 	if l.listenOptions.ReuseAddr {
 		listenConfig.Control = control.Append(listenConfig.Control, control.ReuseAddr())
 	}
-	if !l.listenOptions.DisableTCPKeepAlive {
+	if l.listenOptions.TCPKeepAlive >= 0 {
 		keepIdle := time.Duration(l.listenOptions.TCPKeepAlive)
 		if keepIdle == 0 {
 			keepIdle = C.TCPKeepAliveInitial
@@ -46,19 +45,18 @@ func (l *Listener) ListenTCP() (net.Listener, error) {
 		if keepInterval == 0 {
 			keepInterval = C.TCPKeepAliveInterval
 		}
-		listenConfig.KeepAliveConfig = net.KeepAliveConfig{
+		setKeepAliveConfig(&listenConfig, keepIdle, keepInterval)
-			Enable:   true,
-			Idle:     keepIdle,
-			Interval: keepInterval,
-		}
 	}
 	if l.listenOptions.TCPMultiPath {
-		listenConfig.SetMultipathTCP(true)
+		if !go121Available {
+			return nil, E.New("MultiPath TCP requires go1.21, please recompile your binary.")
+		}
+		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, !strings.HasSuffix(network, "4"), false)
+				return redir.TProxy(fd, !M.ParseSocksaddr(address).IsIPv4(), false)
 			})
 		})
 	}

common/listener/listener_udp.go

@@ -5,7 +5,6 @@ import (
 	"net"
 	"net/netip"
 	"os"
-	"strings"
 	"syscall"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -42,7 +41,7 @@ func (l *Listener) ListenUDP() (net.PacketConn, error) {
 	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, !strings.HasSuffix(network, "4"), true)
+				return redir.TProxy(fd, !M.ParseSocksaddr(address).IsIPv4(), true)
 			})
 		})
 	}
@@ -165,8 +164,9 @@ 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

@@ -5,7 +5,6 @@ import (
 	"net/netip"
 	"os/user"
 
-	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-tun"
 	E "github.com/sagernet/sing/common/exceptions"
@@ -13,7 +12,7 @@ import (
 )
 
 type Searcher interface {
-	FindProcessInfo(ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*adapter.ConnectionOwner, error)
+	FindProcessInfo(ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*Info, error)
 }
 
 var ErrNotFound = E.New("process not found")
@@ -23,7 +22,15 @@ type Config struct {
 	PackageManager tun.PackageManager
 }
 
-func FindProcessInfo(searcher Searcher, ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*adapter.ConnectionOwner, error) {
+type Info struct {
+	ProcessID   uint32
+	ProcessPath string
+	PackageName string
+	User        string
+	UserId      int32
+}
+
+func FindProcessInfo(searcher Searcher, ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*Info, error) {
 	info, err := searcher.FindProcessInfo(ctx, network, source, destination)
 	if err != nil {
 		return nil, err
@@ -31,7 +38,7 @@ func FindProcessInfo(searcher Searcher, ctx context.Context, network string, sou
 	if info.UserId != -1 {
 		osUser, _ := user.LookupId(F.ToString(info.UserId))
 		if osUser != nil {
-			info.UserName = osUser.Username
+			info.User = osUser.Username
 		}
 	}
 	return info, nil

common/process/searcher_android.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"net/netip"
 
-	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-tun"
 )
 
@@ -18,22 +17,22 @@ func NewSearcher(config Config) (Searcher, error) {
 	return &androidSearcher{config.PackageManager}, nil
 }
 
-func (s *androidSearcher) FindProcessInfo(ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*adapter.ConnectionOwner, error) {
+func (s *androidSearcher) FindProcessInfo(ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*Info, error) {
 	_, uid, err := resolveSocketByNetlink(network, source, destination)
 	if err != nil {
 		return nil, err
 	}
 	if sharedPackage, loaded := s.packageManager.SharedPackageByID(uid % 100000); loaded {
-		return &adapter.ConnectionOwner{
+		return &Info{
-			UserId:             int32(uid),
+			UserId:      int32(uid),
-			AndroidPackageName: sharedPackage,
+			PackageName: sharedPackage,
 		}, nil
 	}
 	if packageName, loaded := s.packageManager.PackageByID(uid % 100000); loaded {
-		return &adapter.ConnectionOwner{
+		return &Info{
-			UserId:             int32(uid),
+			UserId:      int32(uid),
-			AndroidPackageName: packageName,
+			PackageName: packageName,
 		}, nil
 	}
-	return &adapter.ConnectionOwner{UserId: int32(uid)}, nil
+	return &Info{UserId: int32(uid)}, nil
 }

common/process/searcher_darwin.go

@@ -10,7 +10,6 @@ import (
 	"syscall"
 	"unsafe"
 
-	"github.com/sagernet/sing-box/adapter"
 	N "github.com/sagernet/sing/common/network"
 
 	"golang.org/x/sys/unix"
@@ -24,12 +23,12 @@ func NewSearcher(_ Config) (Searcher, error) {
 	return &darwinSearcher{}, nil
 }
 
-func (d *darwinSearcher) FindProcessInfo(ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*adapter.ConnectionOwner, error) {
+func (d *darwinSearcher) FindProcessInfo(ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*Info, error) {
 	processName, err := findProcessName(network, source.Addr(), int(source.Port()))
 	if err != nil {
 		return nil, err
 	}
-	return &adapter.ConnectionOwner{ProcessPath: processName, UserId: -1}, nil
+	return &Info{ProcessPath: processName, UserId: -1}, nil
 }
 
 var structSize = func() int {
@@ -97,11 +96,11 @@ func findProcessName(network string, ip netip.Addr, port int) (string, error) {
 		switch {
 		case flag&0x1 > 0 && isIPv4:
 			// ipv4
-			srcIP = netip.AddrFrom4([4]byte(buf[inp+76 : inp+80]))
+			srcIP = netip.AddrFrom4(*(*[4]byte)(buf[inp+76 : inp+80]))
 			srcIsIPv4 = true
 		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
 		}

common/process/searcher_linux.go

@@ -6,7 +6,6 @@ import (
 	"context"
 	"net/netip"
 
-	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/log"
 )
 
@@ -20,7 +19,7 @@ func NewSearcher(config Config) (Searcher, error) {
 	return &linuxSearcher{config.Logger}, nil
 }
 
-func (s *linuxSearcher) FindProcessInfo(ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*adapter.ConnectionOwner, error) {
+func (s *linuxSearcher) FindProcessInfo(ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*Info, error) {
 	inode, uid, err := resolveSocketByNetlink(network, source, destination)
 	if err != nil {
 		return nil, err
@@ -29,7 +28,7 @@ func (s *linuxSearcher) FindProcessInfo(ctx context.Context, network string, sou
 	if err != nil {
 		s.logger.DebugContext(ctx, "find process path: ", err)
 	}
-	return &adapter.ConnectionOwner{
+	return &Info{
 		UserId:      int32(uid),
 		ProcessPath: processPath,
 	}, nil

common/process/searcher_windows.go

@@ -5,7 +5,6 @@ import (
 	"net/netip"
 	"syscall"
 
-	"github.com/sagernet/sing-box/adapter"
 	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/winiphlpapi"
 
@@ -28,16 +27,16 @@ func initWin32API() error {
 	return winiphlpapi.LoadExtendedTable()
 }
 
-func (s *windowsSearcher) FindProcessInfo(ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*adapter.ConnectionOwner, error) {
+func (s *windowsSearcher) FindProcessInfo(ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*Info, error) {
 	pid, err := winiphlpapi.FindPid(network, source)
 	if err != nil {
 		return nil, err
 	}
 	path, err := getProcessPath(pid)
 	if err != nil {
-		return &adapter.ConnectionOwner{ProcessID: pid, UserId: -1}, err
+		return &Info{ProcessID: pid, UserId: -1}, err
 	}
-	return &adapter.ConnectionOwner{ProcessID: pid, ProcessPath: path, UserId: -1}, nil
+	return &Info{ProcessID: pid, ProcessPath: path, UserId: -1}, nil
 }
 
 func getProcessPath(pid uint32) (string, error) {

common/settings/wifi.go

@@ -1,9 +0,0 @@
-package settings
-
-import "github.com/sagernet/sing-box/adapter"
-
-type WIFIMonitor interface {
-	ReadWIFIState() adapter.WIFIState
-	Start() error
-	Close() error
-}

common/settings/wifi_linux.go

@@ -1,46 +0,0 @@
-package settings
-
-import (
-	"github.com/sagernet/sing-box/adapter"
-	E "github.com/sagernet/sing/common/exceptions"
-)
-
-type LinuxWIFIMonitor struct {
-	monitor WIFIMonitor
-}
-
-func NewWIFIMonitor(callback func(adapter.WIFIState)) (WIFIMonitor, error) {
-	monitors := []func(func(adapter.WIFIState)) (WIFIMonitor, error){
-		newNetworkManagerMonitor,
-		newIWDMonitor,
-		newWpaSupplicantMonitor,
-		newConnManMonitor,
-	}
-	var errors []error
-	for _, factory := range monitors {
-		monitor, err := factory(callback)
-		if err == nil {
-			return &LinuxWIFIMonitor{monitor: monitor}, nil
-		}
-		errors = append(errors, err)
-	}
-	return nil, E.Cause(E.Errors(errors...), "no supported WIFI manager found")
-}
-
-func (m *LinuxWIFIMonitor) ReadWIFIState() adapter.WIFIState {
-	return m.monitor.ReadWIFIState()
-}
-
-func (m *LinuxWIFIMonitor) Start() error {
-	if m.monitor != nil {
-		return m.monitor.Start()
-	}
-	return nil
-}
-
-func (m *LinuxWIFIMonitor) Close() error {
-	if m.monitor != nil {
-		return m.monitor.Close()
-	}
-	return nil
-}

common/settings/wifi_linux_connman.go

@@ -1,168 +0,0 @@
-//go:build linux
-
-package settings
-
-import (
-	"context"
-	"strings"
-	"time"
-
-	"github.com/sagernet/sing-box/adapter"
-
-	"github.com/godbus/dbus/v5"
-)
-
-type connmanMonitor struct {
-	conn       *dbus.Conn
-	callback   func(adapter.WIFIState)
-	cancel     context.CancelFunc
-	signalChan chan *dbus.Signal
-}
-
-func newConnManMonitor(callback func(adapter.WIFIState)) (WIFIMonitor, error) {
-	conn, err := dbus.ConnectSystemBus()
-	if err != nil {
-		return nil, err
-	}
-	cmObj := conn.Object("net.connman", "/")
-	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
-	defer cancel()
-	call := cmObj.CallWithContext(ctx, "net.connman.Manager.GetServices", 0)
-	if call.Err != nil {
-		conn.Close()
-		return nil, call.Err
-	}
-	return &connmanMonitor{conn: conn, callback: callback}, nil
-}
-
-func (m *connmanMonitor) ReadWIFIState() adapter.WIFIState {
-	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
-	defer cancel()
-
-	cmObj := m.conn.Object("net.connman", "/")
-	var services []interface{}
-	err := cmObj.CallWithContext(ctx, "net.connman.Manager.GetServices", 0).Store(&services)
-	if err != nil {
-		return adapter.WIFIState{}
-	}
-
-	for _, service := range services {
-		servicePair, ok := service.([]interface{})
-		if !ok || len(servicePair) != 2 {
-			continue
-		}
-
-		serviceProps, ok := servicePair[1].(map[string]dbus.Variant)
-		if !ok {
-			continue
-		}
-
-		typeVariant, hasType := serviceProps["Type"]
-		if !hasType {
-			continue
-		}
-		serviceType, ok := typeVariant.Value().(string)
-		if !ok || serviceType != "wifi" {
-			continue
-		}
-
-		stateVariant, hasState := serviceProps["State"]
-		if !hasState {
-			continue
-		}
-		state, ok := stateVariant.Value().(string)
-		if !ok || (state != "online" && state != "ready") {
-			continue
-		}
-
-		nameVariant, hasName := serviceProps["Name"]
-		if !hasName {
-			continue
-		}
-		ssid, ok := nameVariant.Value().(string)
-		if !ok || ssid == "" {
-			continue
-		}
-
-		bssidVariant, hasBSSID := serviceProps["BSSID"]
-		if !hasBSSID {
-			return adapter.WIFIState{SSID: ssid}
-		}
-		bssid, ok := bssidVariant.Value().(string)
-		if !ok {
-			return adapter.WIFIState{SSID: ssid}
-		}
-
-		return adapter.WIFIState{
-			SSID:  ssid,
-			BSSID: strings.ToUpper(strings.ReplaceAll(bssid, ":", "")),
-		}
-	}
-
-	return adapter.WIFIState{}
-}
-
-func (m *connmanMonitor) Start() error {
-	if m.callback == nil {
-		return nil
-	}
-	ctx, cancel := context.WithCancel(context.Background())
-	m.cancel = cancel
-
-	m.signalChan = make(chan *dbus.Signal, 10)
-	m.conn.Signal(m.signalChan)
-
-	err := m.conn.AddMatchSignal(
-		dbus.WithMatchInterface("net.connman.Service"),
-		dbus.WithMatchSender("net.connman"),
-	)
-	if err != nil {
-		return err
-	}
-
-	state := m.ReadWIFIState()
-	go m.monitorSignals(ctx, m.signalChan, state)
-	m.callback(state)
-
-	return nil
-}
-
-func (m *connmanMonitor) monitorSignals(ctx context.Context, signalChan chan *dbus.Signal, lastState adapter.WIFIState) {
-	for {
-		select {
-		case <-ctx.Done():
-			return
-		case signal, ok := <-signalChan:
-			if !ok {
-				return
-			}
-			// godbus Signal.Name uses "interface.member" format (e.g. "net.connman.Service.PropertyChanged"),
-			// not just the member name. This differs from the D-Bus signal member in the match rule.
-			if signal.Name == "net.connman.Service.PropertyChanged" {
-				state := m.ReadWIFIState()
-				if state != lastState {
-					lastState = state
-					m.callback(state)
-				}
-			}
-		}
-	}
-}
-
-func (m *connmanMonitor) Close() error {
-	if m.cancel != nil {
-		m.cancel()
-	}
-	if m.signalChan != nil {
-		m.conn.RemoveSignal(m.signalChan)
-		close(m.signalChan)
-	}
-	if m.conn != nil {
-		m.conn.RemoveMatchSignal(
-			dbus.WithMatchInterface("net.connman.Service"),
-			dbus.WithMatchSender("net.connman"),
-		)
-		return m.conn.Close()
-	}
-	return nil
-}

common/settings/wifi_linux_iwd.go

@@ -1,190 +0,0 @@
-//go:build linux
-
-package settings
-
-import (
-	"context"
-	"strings"
-	"time"
-
-	"github.com/sagernet/sing-box/adapter"
-
-	"github.com/godbus/dbus/v5"
-)
-
-type iwdMonitor struct {
-	conn       *dbus.Conn
-	callback   func(adapter.WIFIState)
-	cancel     context.CancelFunc
-	signalChan chan *dbus.Signal
-}
-
-func newIWDMonitor(callback func(adapter.WIFIState)) (WIFIMonitor, error) {
-	conn, err := dbus.ConnectSystemBus()
-	if err != nil {
-		return nil, err
-	}
-	iwdObj := conn.Object("net.connman.iwd", "/")
-	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
-	defer cancel()
-	call := iwdObj.CallWithContext(ctx, "org.freedesktop.DBus.ObjectManager.GetManagedObjects", 0)
-	if call.Err != nil {
-		conn.Close()
-		return nil, call.Err
-	}
-	return &iwdMonitor{conn: conn, callback: callback}, nil
-}
-
-func (m *iwdMonitor) ReadWIFIState() adapter.WIFIState {
-	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
-	defer cancel()
-
-	iwdObj := m.conn.Object("net.connman.iwd", "/")
-	var objects map[dbus.ObjectPath]map[string]map[string]dbus.Variant
-	err := iwdObj.CallWithContext(ctx, "org.freedesktop.DBus.ObjectManager.GetManagedObjects", 0).Store(&objects)
-	if err != nil {
-		return adapter.WIFIState{}
-	}
-
-	for _, interfaces := range objects {
-		stationProps, hasStation := interfaces["net.connman.iwd.Station"]
-		if !hasStation {
-			continue
-		}
-
-		stateVariant, hasState := stationProps["State"]
-		if !hasState {
-			continue
-		}
-		state, ok := stateVariant.Value().(string)
-		if !ok || state != "connected" {
-			continue
-		}
-
-		connectedNetworkVariant, hasNetwork := stationProps["ConnectedNetwork"]
-		if !hasNetwork {
-			continue
-		}
-		networkPath, ok := connectedNetworkVariant.Value().(dbus.ObjectPath)
-		if !ok || networkPath == "/" {
-			continue
-		}
-
-		networkInterfaces, hasNetworkPath := objects[networkPath]
-		if !hasNetworkPath {
-			continue
-		}
-
-		networkProps, hasNetworkInterface := networkInterfaces["net.connman.iwd.Network"]
-		if !hasNetworkInterface {
-			continue
-		}
-
-		nameVariant, hasName := networkProps["Name"]
-		if !hasName {
-			continue
-		}
-		ssid, ok := nameVariant.Value().(string)
-		if !ok {
-			continue
-		}
-
-		connectedBSSVariant, hasBSS := stationProps["ConnectedAccessPoint"]
-		if !hasBSS {
-			return adapter.WIFIState{SSID: ssid}
-		}
-		bssPath, ok := connectedBSSVariant.Value().(dbus.ObjectPath)
-		if !ok || bssPath == "/" {
-			return adapter.WIFIState{SSID: ssid}
-		}
-
-		bssInterfaces, hasBSSPath := objects[bssPath]
-		if !hasBSSPath {
-			return adapter.WIFIState{SSID: ssid}
-		}
-
-		bssProps, hasBSSInterface := bssInterfaces["net.connman.iwd.BasicServiceSet"]
-		if !hasBSSInterface {
-			return adapter.WIFIState{SSID: ssid}
-		}
-
-		addressVariant, hasAddress := bssProps["Address"]
-		if !hasAddress {
-			return adapter.WIFIState{SSID: ssid}
-		}
-		bssid, ok := addressVariant.Value().(string)
-		if !ok {
-			return adapter.WIFIState{SSID: ssid}
-		}
-
-		return adapter.WIFIState{
-			SSID:  ssid,
-			BSSID: strings.ToUpper(strings.ReplaceAll(bssid, ":", "")),
-		}
-	}
-
-	return adapter.WIFIState{}
-}
-
-func (m *iwdMonitor) Start() error {
-	if m.callback == nil {
-		return nil
-	}
-	ctx, cancel := context.WithCancel(context.Background())
-	m.cancel = cancel
-
-	m.signalChan = make(chan *dbus.Signal, 10)
-	m.conn.Signal(m.signalChan)
-
-	err := m.conn.AddMatchSignal(
-		dbus.WithMatchInterface("org.freedesktop.DBus.Properties"),
-		dbus.WithMatchSender("net.connman.iwd"),
-	)
-	if err != nil {
-		return err
-	}
-
-	state := m.ReadWIFIState()
-	go m.monitorSignals(ctx, m.signalChan, state)
-	m.callback(state)
-
-	return nil
-}
-
-func (m *iwdMonitor) monitorSignals(ctx context.Context, signalChan chan *dbus.Signal, lastState adapter.WIFIState) {
-	for {
-		select {
-		case <-ctx.Done():
-			return
-		case signal, ok := <-signalChan:
-			if !ok {
-				return
-			}
-			if signal.Name == "org.freedesktop.DBus.Properties.PropertiesChanged" {
-				state := m.ReadWIFIState()
-				if state != lastState {
-					lastState = state
-					m.callback(state)
-				}
-			}
-		}
-	}
-}
-
-func (m *iwdMonitor) Close() error {
-	if m.cancel != nil {
-		m.cancel()
-	}
-	if m.signalChan != nil {
-		m.conn.RemoveSignal(m.signalChan)
-		close(m.signalChan)
-	}
-	if m.conn != nil {
-		m.conn.RemoveMatchSignal(
-			dbus.WithMatchInterface("org.freedesktop.DBus.Properties"),
-			dbus.WithMatchSender("net.connman.iwd"),
-		)
-		return m.conn.Close()
-	}
-	return nil
-}

common/settings/wifi_linux_nm.go

@@ -1,165 +0,0 @@
-//go:build linux
-
-package settings
-
-import (
-	"context"
-	"strings"
-	"time"
-
-	"github.com/sagernet/sing-box/adapter"
-
-	"github.com/godbus/dbus/v5"
-)
-
-type networkManagerMonitor struct {
-	conn       *dbus.Conn
-	callback   func(adapter.WIFIState)
-	cancel     context.CancelFunc
-	signalChan chan *dbus.Signal
-}
-
-func newNetworkManagerMonitor(callback func(adapter.WIFIState)) (WIFIMonitor, error) {
-	conn, err := dbus.ConnectSystemBus()
-	if err != nil {
-		return nil, err
-	}
-	nmObj := conn.Object("org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager")
-	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
-	defer cancel()
-	var state uint32
-	err = nmObj.CallWithContext(ctx, "org.freedesktop.DBus.Properties.Get", 0, "org.freedesktop.NetworkManager", "State").Store(&state)
-	if err != nil {
-		conn.Close()
-		return nil, err
-	}
-	return &networkManagerMonitor{conn: conn, callback: callback}, nil
-}
-
-func (m *networkManagerMonitor) ReadWIFIState() adapter.WIFIState {
-	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
-	defer cancel()
-
-	nmObj := m.conn.Object("org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager")
-
-	var activeConnectionPaths []dbus.ObjectPath
-	err := nmObj.CallWithContext(ctx, "org.freedesktop.DBus.Properties.Get", 0, "org.freedesktop.NetworkManager", "ActiveConnections").Store(&activeConnectionPaths)
-	if err != nil || len(activeConnectionPaths) == 0 {
-		return adapter.WIFIState{}
-	}
-
-	for _, connectionPath := range activeConnectionPaths {
-		connObj := m.conn.Object("org.freedesktop.NetworkManager", connectionPath)
-
-		var devicePaths []dbus.ObjectPath
-		err = connObj.CallWithContext(ctx, "org.freedesktop.DBus.Properties.Get", 0, "org.freedesktop.NetworkManager.Connection.Active", "Devices").Store(&devicePaths)
-		if err != nil || len(devicePaths) == 0 {
-			continue
-		}
-
-		for _, devicePath := range devicePaths {
-			deviceObj := m.conn.Object("org.freedesktop.NetworkManager", devicePath)
-
-			var deviceType uint32
-			err = deviceObj.CallWithContext(ctx, "org.freedesktop.DBus.Properties.Get", 0, "org.freedesktop.NetworkManager.Device", "DeviceType").Store(&deviceType)
-			if err != nil || deviceType != 2 {
-				continue
-			}
-
-			var accessPointPath dbus.ObjectPath
-			err = deviceObj.CallWithContext(ctx, "org.freedesktop.DBus.Properties.Get", 0, "org.freedesktop.NetworkManager.Device.Wireless", "ActiveAccessPoint").Store(&accessPointPath)
-			if err != nil || accessPointPath == "/" {
-				continue
-			}
-
-			apObj := m.conn.Object("org.freedesktop.NetworkManager", accessPointPath)
-
-			var ssidBytes []byte
-			err = apObj.CallWithContext(ctx, "org.freedesktop.DBus.Properties.Get", 0, "org.freedesktop.NetworkManager.AccessPoint", "Ssid").Store(&ssidBytes)
-			if err != nil {
-				continue
-			}
-
-			var hwAddress string
-			err = apObj.CallWithContext(ctx, "org.freedesktop.DBus.Properties.Get", 0, "org.freedesktop.NetworkManager.AccessPoint", "HwAddress").Store(&hwAddress)
-			if err != nil {
-				continue
-			}
-
-			ssid := strings.TrimSpace(string(ssidBytes))
-			if ssid == "" {
-				continue
-			}
-
-			return adapter.WIFIState{
-				SSID:  ssid,
-				BSSID: strings.ToUpper(strings.ReplaceAll(hwAddress, ":", "")),
-			}
-		}
-	}
-
-	return adapter.WIFIState{}
-}
-
-func (m *networkManagerMonitor) Start() error {
-	if m.callback == nil {
-		return nil
-	}
-	ctx, cancel := context.WithCancel(context.Background())
-	m.cancel = cancel
-
-	m.signalChan = make(chan *dbus.Signal, 10)
-	m.conn.Signal(m.signalChan)
-
-	err := m.conn.AddMatchSignal(
-		dbus.WithMatchSender("org.freedesktop.NetworkManager"),
-		dbus.WithMatchInterface("org.freedesktop.DBus.Properties"),
-	)
-	if err != nil {
-		return err
-	}
-
-	state := m.ReadWIFIState()
-	go m.monitorSignals(ctx, m.signalChan, state)
-	m.callback(state)
-
-	return nil
-}
-
-func (m *networkManagerMonitor) monitorSignals(ctx context.Context, signalChan chan *dbus.Signal, lastState adapter.WIFIState) {
-	for {
-		select {
-		case <-ctx.Done():
-			return
-		case signal, ok := <-signalChan:
-			if !ok {
-				return
-			}
-			if signal.Name == "org.freedesktop.DBus.Properties.PropertiesChanged" {
-				state := m.ReadWIFIState()
-				if state != lastState {
-					lastState = state
-					m.callback(state)
-				}
-			}
-		}
-	}
-}
-
-func (m *networkManagerMonitor) Close() error {
-	if m.cancel != nil {
-		m.cancel()
-	}
-	if m.signalChan != nil {
-		m.conn.RemoveSignal(m.signalChan)
-		close(m.signalChan)
-	}
-	if m.conn != nil {
-		m.conn.RemoveMatchSignal(
-			dbus.WithMatchSender("org.freedesktop.NetworkManager"),
-			dbus.WithMatchInterface("org.freedesktop.DBus.Properties"),
-		)
-		return m.conn.Close()
-	}
-	return nil
-}

common/settings/wifi_linux_wpa.go

@@ -1,225 +0,0 @@
-package settings
-
-import (
-	"bufio"
-	"context"
-	"fmt"
-	"net"
-	"os"
-	"path/filepath"
-	"strings"
-	"sync"
-	"sync/atomic"
-	"time"
-
-	"github.com/sagernet/sing-box/adapter"
-)
-
-var wpaSocketCounter atomic.Uint64
-
-type wpaSupplicantMonitor struct {
-	socketPath  string
-	callback    func(adapter.WIFIState)
-	cancel      context.CancelFunc
-	monitorConn *net.UnixConn
-	connMutex   sync.Mutex
-}
-
-func newWpaSupplicantMonitor(callback func(adapter.WIFIState)) (WIFIMonitor, error) {
-	socketDirs := []string{"/var/run/wpa_supplicant", "/run/wpa_supplicant"}
-	for _, socketDir := range socketDirs {
-		entries, err := os.ReadDir(socketDir)
-		if err != nil {
-			continue
-		}
-		for _, entry := range entries {
-			if entry.IsDir() || entry.Name() == "." || entry.Name() == ".." {
-				continue
-			}
-			socketPath := filepath.Join(socketDir, entry.Name())
-			id := wpaSocketCounter.Add(1)
-			localAddr := &net.UnixAddr{Name: fmt.Sprintf("@sing-box-wpa-%d-%d", os.Getpid(), id), Net: "unixgram"}
-			remoteAddr := &net.UnixAddr{Name: socketPath, Net: "unixgram"}
-			conn, err := net.DialUnix("unixgram", localAddr, remoteAddr)
-			if err != nil {
-				continue
-			}
-			conn.Close()
-			return &wpaSupplicantMonitor{socketPath: socketPath, callback: callback}, nil
-		}
-	}
-	return nil, os.ErrNotExist
-}
-
-func (m *wpaSupplicantMonitor) ReadWIFIState() adapter.WIFIState {
-	id := wpaSocketCounter.Add(1)
-	localAddr := &net.UnixAddr{Name: fmt.Sprintf("@sing-box-wpa-%d-%d", os.Getpid(), id), Net: "unixgram"}
-	remoteAddr := &net.UnixAddr{Name: m.socketPath, Net: "unixgram"}
-	conn, err := net.DialUnix("unixgram", localAddr, remoteAddr)
-	if err != nil {
-		return adapter.WIFIState{}
-	}
-	defer conn.Close()
-
-	conn.SetDeadline(time.Now().Add(3 * time.Second))
-
-	status, err := m.sendCommand(conn, "STATUS")
-	if err != nil {
-		return adapter.WIFIState{}
-	}
-
-	var ssid, bssid string
-	var connected bool
-	scanner := bufio.NewScanner(strings.NewReader(status))
-	for scanner.Scan() {
-		line := scanner.Text()
-		if strings.HasPrefix(line, "wpa_state=") {
-			state := strings.TrimPrefix(line, "wpa_state=")
-			connected = state == "COMPLETED"
-		} else if strings.HasPrefix(line, "ssid=") {
-			ssid = strings.TrimPrefix(line, "ssid=")
-		} else if strings.HasPrefix(line, "bssid=") {
-			bssid = strings.TrimPrefix(line, "bssid=")
-		}
-	}
-
-	if !connected || ssid == "" {
-		return adapter.WIFIState{}
-	}
-
-	return adapter.WIFIState{
-		SSID:  ssid,
-		BSSID: strings.ToUpper(strings.ReplaceAll(bssid, ":", "")),
-	}
-}
-
-// sendCommand sends a command to wpa_supplicant and returns the response.
-// Commands are sent without trailing newlines per the wpa_supplicant control
-// interface protocol - the official wpa_ctrl.c sends raw command strings.
-func (m *wpaSupplicantMonitor) sendCommand(conn *net.UnixConn, command string) (string, error) {
-	_, err := conn.Write([]byte(command))
-	if err != nil {
-		return "", err
-	}
-
-	buf := make([]byte, 4096)
-	n, err := conn.Read(buf)
-	if err != nil {
-		return "", err
-	}
-
-	response := string(buf[:n])
-	if strings.HasPrefix(response, "FAIL") {
-		return "", os.ErrInvalid
-	}
-
-	return strings.TrimSpace(response), nil
-}
-
-func (m *wpaSupplicantMonitor) Start() error {
-	if m.callback == nil {
-		return nil
-	}
-	ctx, cancel := context.WithCancel(context.Background())
-	m.cancel = cancel
-
-	state := m.ReadWIFIState()
-	go m.monitorEvents(ctx, state)
-	m.callback(state)
-
-	return nil
-}
-
-func (m *wpaSupplicantMonitor) monitorEvents(ctx context.Context, lastState adapter.WIFIState) {
-	var consecutiveErrors int
-	var debounceTimer *time.Timer
-	var debounceMutex sync.Mutex
-
-	localAddr := &net.UnixAddr{Name: fmt.Sprintf("@sing-box-wpa-mon-%d", os.Getpid()), Net: "unixgram"}
-	remoteAddr := &net.UnixAddr{Name: m.socketPath, Net: "unixgram"}
-	conn, err := net.DialUnix("unixgram", localAddr, remoteAddr)
-	if err != nil {
-		return
-	}
-	defer conn.Close()
-
-	m.connMutex.Lock()
-	m.monitorConn = conn
-	m.connMutex.Unlock()
-
-	// ATTACH/DETACH commands use os_strcmp() for exact matching in wpa_supplicant,
-	// so they must be sent without trailing newlines.
-	// See: https://w1.fi/cgit/hostap/tree/wpa_supplicant/ctrl_iface_unix.c
-	_, err = conn.Write([]byte("ATTACH"))
-	if err != nil {
-		return
-	}
-
-	buf := make([]byte, 4096)
-	n, err := conn.Read(buf)
-	if err != nil || !strings.HasPrefix(string(buf[:n]), "OK") {
-		return
-	}
-
-	for {
-		select {
-		case <-ctx.Done():
-			debounceMutex.Lock()
-			if debounceTimer != nil {
-				debounceTimer.Stop()
-			}
-			debounceMutex.Unlock()
-			conn.Write([]byte("DETACH"))
-			return
-		default:
-		}
-
-		conn.SetReadDeadline(time.Now().Add(30 * time.Second))
-		n, err := conn.Read(buf)
-		if err != nil {
-			if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
-				continue
-			}
-			select {
-			case <-ctx.Done():
-				return
-			default:
-			}
-			consecutiveErrors++
-			if consecutiveErrors > 10 {
-				return
-			}
-			time.Sleep(time.Second)
-			continue
-		}
-		consecutiveErrors = 0
-
-		msg := string(buf[:n])
-		if strings.Contains(msg, "CTRL-EVENT-CONNECTED") || strings.Contains(msg, "CTRL-EVENT-DISCONNECTED") {
-			debounceMutex.Lock()
-			if debounceTimer != nil {
-				debounceTimer.Stop()
-			}
-			debounceTimer = time.AfterFunc(500*time.Millisecond, func() {
-				state := m.ReadWIFIState()
-				if state != lastState {
-					lastState = state
-					m.callback(state)
-				}
-			})
-			debounceMutex.Unlock()
-		}
-	}
-}
-
-func (m *wpaSupplicantMonitor) Close() error {
-	if m.cancel != nil {
-		m.cancel()
-	}
-	m.connMutex.Lock()
-	if m.monitorConn != nil {
-		m.monitorConn.Close()
-	}
-	m.connMutex.Unlock()
-	return nil
-}

common/settings/wifi_stub.go

@@ -1,27 +0,0 @@
-//go:build !linux && !windows
-
-package settings
-
-import (
-	"os"
-
-	"github.com/sagernet/sing-box/adapter"
-)
-
-type stubWIFIMonitor struct{}
-
-func NewWIFIMonitor(callback func(adapter.WIFIState)) (WIFIMonitor, error) {
-	return nil, os.ErrInvalid
-}
-
-func (m *stubWIFIMonitor) ReadWIFIState() adapter.WIFIState {
-	return adapter.WIFIState{}
-}
-
-func (m *stubWIFIMonitor) Start() error {
-	return nil
-}
-
-func (m *stubWIFIMonitor) Close() error {
-	return nil
-}

common/settings/wifi_windows.go

@@ -1,144 +0,0 @@
-//go:build windows
-
-package settings
-
-import (
-	"context"
-	"fmt"
-	"strings"
-	"sync"
-	"syscall"
-
-	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing/common/winwlanapi"
-
-	"golang.org/x/sys/windows"
-)
-
-type windowsWIFIMonitor struct {
-	handle    windows.Handle
-	callback  func(adapter.WIFIState)
-	cancel    context.CancelFunc
-	lastState adapter.WIFIState
-	mutex     sync.Mutex
-}
-
-func NewWIFIMonitor(callback func(adapter.WIFIState)) (WIFIMonitor, error) {
-	handle, err := winwlanapi.OpenHandle()
-	if err != nil {
-		return nil, err
-	}
-
-	interfaces, err := winwlanapi.EnumInterfaces(handle)
-	if err != nil {
-		winwlanapi.CloseHandle(handle)
-		return nil, err
-	}
-	if len(interfaces) == 0 {
-		winwlanapi.CloseHandle(handle)
-		return nil, fmt.Errorf("no wireless interfaces found")
-	}
-
-	return &windowsWIFIMonitor{
-		handle:   handle,
-		callback: callback,
-	}, nil
-}
-
-func (m *windowsWIFIMonitor) ReadWIFIState() adapter.WIFIState {
-	interfaces, err := winwlanapi.EnumInterfaces(m.handle)
-	if err != nil || len(interfaces) == 0 {
-		return adapter.WIFIState{}
-	}
-
-	for _, iface := range interfaces {
-		if iface.InterfaceState != winwlanapi.InterfaceStateConnected {
-			continue
-		}
-
-		guid := iface.InterfaceGUID
-		attrs, err := winwlanapi.QueryCurrentConnection(m.handle, &guid)
-		if err != nil {
-			continue
-		}
-
-		ssidLength := attrs.AssociationAttributes.SSID.Length
-		if ssidLength == 0 || ssidLength > winwlanapi.Dot11SSIDMaxLength {
-			continue
-		}
-
-		ssid := string(attrs.AssociationAttributes.SSID.SSID[:ssidLength])
-		bssid := formatBSSID(attrs.AssociationAttributes.BSSID)
-
-		return adapter.WIFIState{
-			SSID:  strings.TrimSpace(ssid),
-			BSSID: bssid,
-		}
-	}
-
-	return adapter.WIFIState{}
-}
-
-func formatBSSID(mac winwlanapi.Dot11MacAddress) string {
-	return fmt.Sprintf("%02X%02X%02X%02X%02X%02X",
-		mac[0], mac[1], mac[2], mac[3], mac[4], mac[5])
-}
-
-func (m *windowsWIFIMonitor) Start() error {
-	if m.callback == nil {
-		return nil
-	}
-
-	ctx, cancel := context.WithCancel(context.Background())
-	m.cancel = cancel
-
-	m.lastState = m.ReadWIFIState()
-
-	callbackFunc := func(data *winwlanapi.NotificationData, callbackContext uintptr) uintptr {
-		if data.NotificationSource != winwlanapi.NotificationSourceACM {
-			return 0
-		}
-		switch data.NotificationCode {
-		case winwlanapi.NotificationACMConnectionComplete,
-			winwlanapi.NotificationACMDisconnected:
-			m.checkAndNotify()
-		}
-		return 0
-	}
-
-	callbackPointer := syscall.NewCallback(callbackFunc)
-
-	err := winwlanapi.RegisterNotification(m.handle, winwlanapi.NotificationSourceACM, callbackPointer, 0)
-	if err != nil {
-		cancel()
-		return err
-	}
-
-	go func() {
-		<-ctx.Done()
-	}()
-
-	m.callback(m.lastState)
-	return nil
-}
-
-func (m *windowsWIFIMonitor) checkAndNotify() {
-	m.mutex.Lock()
-	defer m.mutex.Unlock()
-
-	state := m.ReadWIFIState()
-	if state != m.lastState {
-		m.lastState = state
-		if m.callback != nil {
-			m.callback(state)
-		}
-	}
-}
-
-func (m *windowsWIFIMonitor) Close() error {
-	if m.cancel != nil {
-		m.cancel()
-	}
-	winwlanapi.UnregisterNotification(m.handle)
-	return winwlanapi.CloseHandle(m.handle)
-}

common/sniff/quic_blacklist.go

@@ -17,5 +17,8 @@ var uQUICChrome115 = &ja3.ClientHello{
 }
 
 func maybeUQUIC(fingerprint *ja3.ClientHello) bool {
-	return !uQUICChrome115.Equals(fingerprint, true)
+	if uQUICChrome115.Equals(fingerprint, true) {
+		return true
+	}
+	return false
 }

common/sniff/quic_test.go

@@ -56,7 +56,7 @@ func TestSniffUQUICChrome115(t *testing.T) {
 	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
 	require.NoError(t, err)
 	require.Equal(t, metadata.Protocol, C.ProtocolQUIC)
-	require.Equal(t, metadata.Client, C.ClientChromium)
+	require.Equal(t, metadata.Client, C.ClientQUICGo)
 	require.Equal(t, metadata.Domain, "www.google.com")
 }
 

common/srs/binary.go

@@ -12,8 +12,6 @@ import (
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/domain"
 	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/json/badjson"
-	"github.com/sagernet/sing/common/json/badoption"
 	"github.com/sagernet/sing/common/varbin"
 
 	"go4.org/netipx"
@@ -43,8 +41,6 @@ const (
 	ruleItemNetworkType
 	ruleItemNetworkIsExpensive
 	ruleItemNetworkIsConstrained
-	ruleItemNetworkInterfaceAddress
-	ruleItemDefaultInterfaceAddress
 	ruleItemFinal uint8 = 0xFF
 )
 
@@ -234,51 +230,6 @@ func readDefaultRule(reader varbin.Reader, recover bool) (rule option.DefaultHea
 			rule.NetworkIsExpensive = true
 		case ruleItemNetworkIsConstrained:
 			rule.NetworkIsConstrained = true
-		case ruleItemNetworkInterfaceAddress:
-			rule.NetworkInterfaceAddress = new(badjson.TypedMap[option.InterfaceType, badoption.Listable[*badoption.Prefixable]])
-			var size uint64
-			size, err = binary.ReadUvarint(reader)
-			if err != nil {
-				return
-			}
-			for i := uint64(0); i < size; i++ {
-				var key uint8
-				err = binary.Read(reader, binary.BigEndian, &key)
-				if err != nil {
-					return
-				}
-				var value []*badoption.Prefixable
-				var prefixCount uint64
-				prefixCount, err = binary.ReadUvarint(reader)
-				if err != nil {
-					return
-				}
-				for j := uint64(0); j < prefixCount; j++ {
-					var prefix netip.Prefix
-					prefix, err = readPrefix(reader)
-					if err != nil {
-						return
-					}
-					value = append(value, common.Ptr(badoption.Prefixable(prefix)))
-				}
-				rule.NetworkInterfaceAddress.Put(option.InterfaceType(key), value)
-			}
-		case ruleItemDefaultInterfaceAddress:
-			var value []*badoption.Prefixable
-			var prefixCount uint64
-			prefixCount, err = binary.ReadUvarint(reader)
-			if err != nil {
-				return
-			}
-			for j := uint64(0); j < prefixCount; j++ {
-				var prefix netip.Prefix
-				prefix, err = readPrefix(reader)
-				if err != nil {
-					return
-				}
-				value = append(value, common.Ptr(badoption.Prefixable(prefix)))
-			}
-			rule.DefaultInterfaceAddress = value
 		case ruleItemFinal:
 			err = binary.Read(reader, binary.BigEndian, &rule.Invert)
 			return
@@ -395,7 +346,7 @@ func writeDefaultRule(writer varbin.Writer, rule option.DefaultHeadlessRule, gen
 	}
 	if len(rule.NetworkType) > 0 {
 		if generateVersion < C.RuleSetVersion3 {
-			return E.New("`network_type` rule item is only supported in version 3 or later")
+			return E.New("network_type rule item is only supported in version 3 or later")
 		}
 		err = writeRuleItemUint8(writer, ruleItemNetworkType, rule.NetworkType)
 		if err != nil {
@@ -403,71 +354,17 @@ func writeDefaultRule(writer varbin.Writer, rule option.DefaultHeadlessRule, gen
 		}
 	}
 	if rule.NetworkIsExpensive {
-		if generateVersion < C.RuleSetVersion3 {
-			return E.New("`network_is_expensive` rule item is only supported in version 3 or later")
-		}
 		err = binary.Write(writer, binary.BigEndian, ruleItemNetworkIsExpensive)
 		if err != nil {
 			return err
 		}
 	}
 	if rule.NetworkIsConstrained {
-		if generateVersion < C.RuleSetVersion3 {
-			return E.New("`network_is_constrained` rule item is only supported in version 3 or later")
-		}
 		err = binary.Write(writer, binary.BigEndian, ruleItemNetworkIsConstrained)
 		if err != nil {
 			return err
 		}
 	}
-	if rule.NetworkInterfaceAddress != nil && rule.NetworkInterfaceAddress.Size() > 0 {
-		if generateVersion < C.RuleSetVersion4 {
-			return E.New("`network_interface_address` rule item is only supported in version 4 or later")
-		}
-		err = writer.WriteByte(ruleItemNetworkInterfaceAddress)
-		if err != nil {
-			return err
-		}
-		_, err = varbin.WriteUvarint(writer, uint64(rule.NetworkInterfaceAddress.Size()))
-		if err != nil {
-			return err
-		}
-		for _, entry := range rule.NetworkInterfaceAddress.Entries() {
-			err = binary.Write(writer, binary.BigEndian, uint8(entry.Key.Build()))
-			if err != nil {
-				return err
-			}
-			_, err = varbin.WriteUvarint(writer, uint64(len(entry.Value)))
-			if err != nil {
-				return err
-			}
-			for _, rawPrefix := range entry.Value {
-				err = writePrefix(writer, rawPrefix.Build(netip.Prefix{}))
-				if err != nil {
-					return err
-				}
-			}
-		}
-	}
-	if len(rule.DefaultInterfaceAddress) > 0 {
-		if generateVersion < C.RuleSetVersion4 {
-			return E.New("`default_interface_address` rule item is only supported in version 4 or later")
-		}
-		err = writer.WriteByte(ruleItemDefaultInterfaceAddress)
-		if err != nil {
-			return err
-		}
-		_, err = varbin.WriteUvarint(writer, uint64(len(rule.DefaultInterfaceAddress)))
-		if err != nil {
-			return err
-		}
-		for _, rawPrefix := range rule.DefaultInterfaceAddress {
-			err = writePrefix(writer, rawPrefix.Build(netip.Prefix{}))
-			if err != nil {
-				return err
-			}
-		}
-	}
 	if len(rule.WIFISSID) > 0 {
 		err = writeRuleItemString(writer, ruleItemWIFISSID, rule.WIFISSID)
 		if err != nil {

common/srs/ip_cidr.go

@@ -1,33 +0,0 @@
-package srs
-
-import (
-	"encoding/binary"
-	"net/netip"
-
-	M "github.com/sagernet/sing/common/metadata"
-	"github.com/sagernet/sing/common/varbin"
-)
-
-func readPrefix(reader varbin.Reader) (netip.Prefix, error) {
-	addrSlice, err := varbin.ReadValue[[]byte](reader, binary.BigEndian)
-	if err != nil {
-		return netip.Prefix{}, err
-	}
-	prefixBits, err := varbin.ReadValue[uint8](reader, binary.BigEndian)
-	if err != nil {
-		return netip.Prefix{}, err
-	}
-	return netip.PrefixFrom(M.AddrFromIP(addrSlice), int(prefixBits)), nil
-}
-
-func writePrefix(writer varbin.Writer, prefix netip.Prefix) error {
-	err := varbin.Write(writer, binary.BigEndian, prefix.Addr().AsSlice())
-	if err != nil {
-		return err
-	}
-	err = binary.Write(writer, binary.BigEndian, uint8(prefix.Bits()))
-	if err != nil {
-		return err
-	}
-	return nil
-}

common/tls/acme.go

@@ -114,17 +114,13 @@ func startACME(ctx context.Context, logger logger.Logger, options option.Inbound
 		switch dnsOptions.Provider {
 		case C.DNSProviderAliDNS:
 			solver.DNSProvider = &alidns.Provider{
-				CredentialInfo: alidns.CredentialInfo{
+				AccKeyID:     dnsOptions.AliDNSOptions.AccessKeyID,
-					AccessKeyID:     dnsOptions.AliDNSOptions.AccessKeyID,
+				AccKeySecret: dnsOptions.AliDNSOptions.AccessKeySecret,
-					AccessKeySecret: dnsOptions.AliDNSOptions.AccessKeySecret,
+				RegionID:     dnsOptions.AliDNSOptions.RegionID,
-					RegionID:        dnsOptions.AliDNSOptions.RegionID,
-					SecurityToken:   dnsOptions.AliDNSOptions.SecurityToken,
-				},
 			}
 		case C.DNSProviderCloudflare:
 			solver.DNSProvider = &cloudflare.Provider{
-				APIToken:  dnsOptions.CloudflareOptions.APIToken,
+				APIToken: dnsOptions.CloudflareOptions.APIToken,
-				ZoneToken: dnsOptions.CloudflareOptions.ZoneToken,
 			}
 		default:
 			return nil, nil, E.New("unsupported ACME DNS01 provider type: " + dnsOptions.Provider)

common/tls/client.go

@@ -2,71 +2,39 @@ package tls
 
 import (
 	"context"
-	"crypto/tls"
-	"errors"
 	"net"
 	"os"
 
+	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/badtls"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing/common/logger"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 	aTLS "github.com/sagernet/sing/common/tls"
 )
 
-func NewDialerFromOptions(ctx context.Context, logger logger.ContextLogger, dialer N.Dialer, serverAddress string, options option.OutboundTLSOptions) (N.Dialer, error) {
+func NewDialerFromOptions(ctx context.Context, router adapter.Router, dialer N.Dialer, serverAddress string, options option.OutboundTLSOptions) (N.Dialer, error) {
 	if !options.Enabled {
 		return dialer, nil
 	}
-	config, err := NewClientWithOptions(ClientOptions{
+	config, err := NewClient(ctx, serverAddress, options)
-		Context:       ctx,
-		Logger:        logger,
-		ServerAddress: serverAddress,
-		Options:       options,
-	})
 	if err != nil {
 		return nil, err
 	}
 	return NewDialer(dialer, config), nil
 }
 
-func NewClient(ctx context.Context, logger logger.ContextLogger, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
+func NewClient(ctx context.Context, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
-	return NewClientWithOptions(ClientOptions{
+	if !options.Enabled {
-		Context:       ctx,
-		Logger:        logger,
-		ServerAddress: serverAddress,
-		Options:       options,
-	})
-}
-
-type ClientOptions struct {
-	Context        context.Context
-	Logger         logger.ContextLogger
-	ServerAddress  string
-	Options        option.OutboundTLSOptions
-	KTLSCompatible bool
-}
-
-func NewClientWithOptions(options ClientOptions) (Config, error) {
-	if !options.Options.Enabled {
 		return nil, nil
 	}
-	if !options.KTLSCompatible {
+	if options.Reality != nil && options.Reality.Enabled {
-		if options.Options.KernelTx {
+		return NewRealityClient(ctx, serverAddress, options)
-			options.Logger.Warn("enabling kTLS TX in current scenarios will definitely reduce performance, please checkout https://sing-box.sagernet.org/configuration/shared/tls/#kernel_tx")
+	} else if options.UTLS != nil && options.UTLS.Enabled {
-		}
+		return NewUTLSClient(ctx, serverAddress, options)
 	}
-	if options.Options.KernelRx {
+	return NewSTDClient(ctx, serverAddress, options)
-		options.Logger.Warn("enabling kTLS RX will definitely reduce performance, please checkout https://sing-box.sagernet.org/configuration/shared/tls/#kernel_rx")
-	}
-	if options.Options.Reality != nil && options.Options.Reality.Enabled {
-		return NewRealityClient(options.Context, options.Logger, options.ServerAddress, options.Options)
-	} else if options.Options.UTLS != nil && options.Options.UTLS.Enabled {
-		return NewUTLSClient(options.Context, options.Logger, options.ServerAddress, options.Options)
-	}
-	return NewSTDClient(options.Context, options.Logger, options.ServerAddress, options.Options)
 }
 
 func ClientHandshake(ctx context.Context, conn net.Conn, config Config) (Conn, error) {
@@ -85,55 +53,26 @@ func ClientHandshake(ctx context.Context, conn net.Conn, config Config) (Conn, e
 	return tlsConn, nil
 }
 
-type Dialer interface {
+type Dialer struct {
-	N.Dialer
-	DialTLSContext(ctx context.Context, destination M.Socksaddr) (Conn, error)
-}
-
-type defaultDialer struct {
 	dialer N.Dialer
 	config Config
 }
 
-func NewDialer(dialer N.Dialer, config Config) Dialer {
+func NewDialer(dialer N.Dialer, config Config) N.Dialer {
-	return &defaultDialer{dialer, config}
+	return &Dialer{dialer, config}
 }
 
-func (d *defaultDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+func (d *Dialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
-	if N.NetworkName(network) != N.NetworkTCP {
+	if network != N.NetworkTCP {
 		return nil, os.ErrInvalid
 	}
-	return d.DialTLSContext(ctx, destination)
+	conn, err := d.dialer.DialContext(ctx, network, destination)
+	if err != nil {
+		return nil, err
+	}
+	return ClientHandshake(ctx, conn, d.config)
 }
 
-func (d *defaultDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+func (d *Dialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
 	return nil, os.ErrInvalid
 }
-
-func (d *defaultDialer) DialTLSContext(ctx context.Context, destination M.Socksaddr) (Conn, error) {
-	return d.dialContext(ctx, destination, true)
-}
-
-func (d *defaultDialer) dialContext(ctx context.Context, destination M.Socksaddr, echRetry bool) (Conn, error) {
-	conn, err := d.dialer.DialContext(ctx, N.NetworkTCP, destination)
-	if err != nil {
-		return nil, err
-	}
-	tlsConn, err := aTLS.ClientHandshake(ctx, conn, d.config)
-	if err != nil {
-		conn.Close()
-		var echErr *tls.ECHRejectionError
-		if echRetry && errors.As(err, &echErr) && len(echErr.RetryConfigList) > 0 {
-			if echConfig, isECH := d.config.(ECHCapableConfig); isECH {
-				echConfig.SetECHConfigList(echErr.RetryConfigList)
-				return d.dialContext(ctx, destination, false)
-			}
-		}
-		return nil, err
-	}
-	return tlsConn, nil
-}
-
-func (d *defaultDialer) Upstream() any {
-	return d.dialer
-}