Bump version

* Fix sniffer errors override each others

* Do not return ErrNeedMoreData if header is not expected

.fpm_openwrt

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

.fpm_systemd

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

.github/deb2ipk.sh

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

.github/goreleaser/README.md

@@ -1,3 +0,0 @@
-# goreleaser
-
-I'm sorry for this, but I can't afford to renew for now because the subscription is too expensive for an open source project.

.github/goreleaser/config.json

@@ -1,87 +0,0 @@
-{
-  "dns": {
-    "servers": [
-      {
-        "type": "tls",
-        "server": "8.8.8.8"
-      }
-    ]
-  },
-  "inbounds": [
-    {
-      "type": "tun",
-      "address": [
-        "172.19.0.1/30",
-        "fdfe:dcba:9876::1/126"
-      ],
-      "auto_route": true,
-      "auto_redirect": true
-    }
-  ],
-  "certificate": {
-    "tls_decryption": {
-      "enabled": true,
-      "key_pair_p12": "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",
-      "key_pair_p12_password": "D173A3D9"
-    }
-  },
-  "mitm": {
-    "enabled": true,
-    "http2_enabled": true
-  },
-  "outbounds": [
-    {
-      "type": "direct",
-      "tag": "direct"
-    }
-  ],
-  "route": {
-    "rules": [
-      {
-        "action": "sniff"
-      },
-      {
-        "type": "logical",
-        "mode": "or",
-        "rules": [
-          {
-            "network": "udp",
-            "port": 53
-          },
-          {
-            "protocol": "dns"
-          }
-        ],
-        "action": "hijack-dns"
-      },
-      {
-        "ip_is_private": true,
-        "outbound": "direct"
-      },
-      {
-        "action": "resolve"
-      },
-      {
-        "domain": "goreleaser.com",
-        "action": "route-options",
-        "mitm": {
-          "enabled": true,
-          "surge_map_local": [
-            "^https://goreleaser\\.com/static/latest-pro data-type=text data=\"(update check disabled)\""
-          ]
-        }
-      },
-      {
-        "domain": "api.gumroad.com",
-        "action": "route-options",
-        "mitm": {
-          "enabled": true,
-          "surge_map_local": [
-            "^https://api\\.gumroad\\.com/v2/licenses/verify data-type=file data=.github/goreleaser/response.json header=\"Content-Type:application/json\""
-          ]
-        }
-      }
-    ],
-    "auto_detect_interface": true
-  }
-}

.github/goreleaser/configure.sh

@@ -1,11 +0,0 @@
-#!/usr/bin/env bash
-
-set -e -o pipefail
-
-release/local/install_minimal.sh
-sudo cp .github/goreleaser/config.json /usr/local/etc/sing-box/config.json
-sudo mkdir -p /var/lib/sing-box/.github/goreleaser
-sudo cp .github/goreleaser/response.json /var/lib/sing-box/.github/goreleaser/response.json
-go run -v ./cmd/sing-box tools install-ca .github/goreleaser/ca.crt
-sudo systemctl start sing-box
-sleep 5

.github/goreleaser/response.json

@@ -1,12 +0,0 @@
-{
-  "success": true,
-  "purchase": {
-    "license_key": "fake-key",
-    "subscription_id": "fake-id",
-    "product_id": "7ev6hHL7RZc753daE5bRNw==",
-    "product_permalink": "https:\/\/beckersoft.gumroad.com\/l\/goreleaser",
-    "seller_id": "A2wDalJj66fJdFU_jwy_oA==",
-    "short_product_id": "CadfZ",
-    "permalink": "goreleaser"
-  }
-}

.github/setup_legacy_go.sh

@@ -1,22 +0,0 @@
-#!/usr/bin/env bash
-
-VERSION="1.23.6"
-wget "https://dl.google.com/go/go${VERSION}.linux-amd64.tar.gz"
-tar -xzf "go${VERSION}.linux-amd64.tar.gz"
-mv go $HOME/go/go_legacy
-cd $HOME/go/go_legacy
-
-# modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
-# this patch file only works on golang1.23.x
-# that means after golang1.24 release it must be changed
-# see: https://github.com/MetaCubeX/go/commits/release-branch.go1.23/
-# revert:
-# 693def151adff1af707d82d28f55dba81ceb08e1: "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
-# 7c1157f9544922e96945196b47b95664b1e39108: "net: remove sysSocket fallback for Windows 7"
-# 48042aa09c2f878c4faa576948b07fe625c4707a: "syscall: remove Windows 7 console handle workaround"
-# a17d959debdb04cd550016a3501dd09d50cd62e7: "runtime: always use LoadLibraryEx to load system libraries"
-
-curl https://github.com/MetaCubeX/go/commit/9ac42137ef6730e8b7daca016ece831297a1d75b.diff | patch --verbose -p 1
-curl https://github.com/MetaCubeX/go/commit/21290de8a4c91408de7c2b5b68757b1e90af49dd.diff | patch --verbose -p 1
-curl https://github.com/MetaCubeX/go/commit/6a31d3fa8e47ddabc10bd97bff10d9a85f4cfb76.diff | patch --verbose -p 1
-curl https://github.com/MetaCubeX/go/commit/69e2eed6dd0f6d815ebf15797761c13f31213dd6.diff | patch --verbose -p 1

.github/workflows/build.yml

@@ -50,12 +50,12 @@ jobs:
       - name: Check input version
         if: github.event_name == 'workflow_dispatch'
         run: |-
-          echo "version=${{ inputs.version }}" 
+          echo "version=${{ inputs.version }}"
           echo "version=${{ inputs.version }}" >> "$GITHUB_ENV"
       - name: Calculate version
         if: github.event_name != 'workflow_dispatch'
         run: |-
-          go run -v ./cmd/internal/read_tag --nightly
+          go run -v ./cmd/internal/read_tag --ci --nightly
       - name: Set outputs
         id: outputs
         run: |-
@@ -69,137 +69,208 @@ jobs:
     strategy:
       matrix:
         include:
-          - name: linux_386
-            goos: linux
-            goarch: 386
-          - name: linux_amd64
-            goos: linux
-            goarch: amd64
-          - name: linux_arm64
-            goos: linux
-            goarch: arm64
-          - name: linux_arm
-            goos: linux
-            goarch: arm
-            goarm: 6
-          - name: linux_arm_v7
-            goos: linux
-            goarch: arm
-            goarm: 7
-          - name: linux_s390x
-            goos: linux
-            goarch: s390x
-          - name: linux_riscv64
-            goos: linux
-            goarch: riscv64
-          - name: linux_mips64le
-            goos: linux
-            goarch: mips64le
-          - name: windows_amd64
-            goos: windows
-            goarch: amd64
-            require_legacy_go: true
-          - name: windows_386
-            goos: windows
-            goarch: 386
-            require_legacy_go: true
-          - name: windows_arm64
-            goos: windows
-            goarch: arm64
-          - name: darwin_arm64
-            goos: darwin
-            goarch: arm64
-          - name: darwin_amd64
-            goos: darwin
-            goarch: amd64
-          - name: android_arm64
-            goos: android
-            goarch: arm64
-          - name: android_arm
-            goos: android
-            goarch: arm
-            goarm: 7
-          - name: android_amd64
-            goos: android
-            goarch: amd64
-          - name: android_386
-            goos: android
-            goarch: 386
+          - { os: linux, arch: amd64, debian: amd64, rpm: x86_64, pacman: x86_64, openwrt: "x86_64" }
+          - { os: linux, arch: "386", go386: sse2, debian: i386, rpm: i386, openwrt: "i386_pentium4" }
+          - { os: linux, arch: "386", go386: softfloat, openwrt: "i386_pentium-mmx" }
+          - { os: linux, arch: arm64, debian: arm64, rpm: aarch64, pacman: aarch64, openwrt: "aarch64_cortex-a53 aarch64_cortex-a72 aarch64_cortex-a76 aarch64_generic" }
+          - { os: linux, arch: arm, goarm: "5", openwrt: "arm_arm926ej-s arm_cortex-a7 arm_cortex-a9 arm_fa526 arm_xscale" }
+          - { os: linux, arch: arm, goarm: "6", debian: armel, rpm: armv6hl, openwrt: "arm_arm1176jzf-s_vfp" }
+          - { os: linux, arch: arm, goarm: "7", debian: armhf, rpm: armv7hl, pacman: armv7hl, openwrt: "arm_cortex-a5_vfpv4 arm_cortex-a7_neon-vfpv4 arm_cortex-a7_vfpv4 arm_cortex-a8_vfpv3 arm_cortex-a9_neon arm_cortex-a9_vfpv3-d16 arm_cortex-a15_neon-vfpv4" }
+          - { os: linux, arch: mips, gomips: softfloat, openwrt: "mips_24kc mips_4kec mips_mips32" }
+          - { os: linux, arch: mipsle, gomips: hardfloat, debian: mipsel, rpm: mipsel, openwrt: "mipsel_24kc_24kf" }
+          - { os: linux, arch: mipsle, gomips: softfloat, openwrt: "mipsel_24kc mipsel_74kc mipsel_mips32" }
+          - { os: linux, arch: mips64, gomips: softfloat, openwrt: "mips64_mips64r2 mips64_octeonplus" }
+          - { os: linux, arch: mips64le, gomips: hardfloat, debian: mips64el, rpm: mips64el }
+          - { os: linux, arch: mips64le, gomips: softfloat, openwrt: "mips64el_mips64r2" }
+          - { os: linux, arch: s390x, debian: s390x, rpm: s390x }
+          - { os: linux, arch: ppc64le, debian: ppc64el, rpm: ppc64le }
+          - { os: linux, arch: riscv64, debian: riscv64, rpm: riscv64, openwrt: "riscv64_generic" }
+          - { os: linux, arch: loong64, debian: loongarch64, rpm: loongarch64, openwrt: "loongarch64_generic" }
+
+          - { os: windows, arch: amd64 }
+          - { os: windows, arch: amd64, legacy_go: true }
+          - { os: windows, arch: "386" }
+          - { os: windows, arch: "386", legacy_go: true }
+          - { os: windows, arch: arm64 }
+
+          - { os: darwin, arch: amd64 }
+          - { os: darwin, arch: amd64, legacy_go: true }
+          - { os: darwin, arch: arm64 }
+
+          - { os: android, arch: arm64, ndk: "aarch64-linux-android21" }
+          - { os: android, arch: arm, ndk: "armv7a-linux-androideabi21" }
+          - { os: android, arch: amd64, ndk: "x86_64-linux-android21" }
+          - { os: android, arch: "386", ndk: "i686-linux-android21" }
     steps:
       - name: Checkout
         uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Setup Go
+        if: matrix.legacy_go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ~1.20
+      - name: Setup Go
+        if: ${{ ! matrix.legacy_go }}
         uses: actions/setup-go@v5
         with:
           go-version: ^1.24
-      - name: Cache legacy Go
-        if: matrix.require_legacy_go
-        id: cache-legacy-go
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/go/go_legacy
-          key: go_legacy_1236
-      - name: Setup legacy Go
-        if: matrix.require_legacy_go && steps.cache-legacy-go.outputs.cache-hit != 'true'
-        run: bash .github/setup_legacy_go.sh
       - name: Setup Android NDK
-        if: matrix.goos == 'android'
+        if: matrix.os == 'android'
         uses: nttld/setup-ndk@v1
         with:
           ndk-version: r28
           local-cache: true
-      - name: Setup Goreleaser
-        uses: goreleaser/goreleaser-action@v6
-        with:
-          distribution: goreleaser-pro
-          version: '~> v2'
-          install-only: true
-      - name: Extract signing key
-        run: |-
-          mkdir -p $HOME/.gnupg
-          cat > $HOME/.gnupg/sagernet.key <<EOF
-          ${{ secrets.GPG_KEY }}
-          EOF
-          echo "HOME=$HOME" >> "$GITHUB_ENV"
       - name: Set tag
         run: |-
           git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
           git tag v${{ needs.calculate_version.outputs.version }} -f
+      - name: Set build tags
+        run: |
+          set -xeuo pipefail
+          TAGS='with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_reality_server,with_acme,with_clash_api'
+          if [ ! '${{ matrix.legacy_go }}' = 'true' ]; then
+            TAGS="${TAGS},with_ech"
+          fi
+          echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
       - name: Build
-        if: matrix.goos != 'android'
-        run: |-
-          goreleaser release --clean --split
+        if: matrix.os != 'android'
+        run: |
+          set -xeuo pipefail
+          mkdir -p dist
+          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
+          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' \
+          ./cmd/sing-box
         env:
-          GOOS: ${{ matrix.goos }}
-          GOARCH: ${{ matrix.goarch }}
-          GOPATH: ${{ env.HOME }}/go
+          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 }}
-          GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}
-          NFPM_KEY_PATH: ${{ env.HOME }}/.gnupg/sagernet.key
-          NFPM_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
       - name: Build Android
-        if: matrix.goos == 'android'
-        run: |-
+        if: matrix.os == 'android'
+        run: |
+          set -xeuo pipefail
           go install -v ./cmd/internal/build
-          GOOS=$BUILD_GOOS GOARCH=$BUILD_GOARCH build goreleaser release --clean --split
+          export CC='${{ matrix.ndk }}-clang'
+          export CXX="${CC}++"
+          mkdir -p dist
+          GOOS=$BUILD_GOOS GOARCH=$BUILD_GOARCH build go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
+          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' \
+          ./cmd/sing-box
         env:
-          BUILD_GOOS: ${{ matrix.goos }}
-          BUILD_GOARCH: ${{ matrix.goarch }}
-          GOARM: ${{ matrix.goarm }}
+          CGO_ENABLED: "1"
+          BUILD_GOOS: ${{ matrix.os }}
+          BUILD_GOARCH: ${{ matrix.arch }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}
-          NFPM_KEY_PATH: ${{ env.HOME }}/.gnupg/sagernet.key
-          NFPM_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+      - name: Set name
+        run: |-
+          DIR_NAME="sing-box-${{ needs.calculate_version.outputs.version }}-${{ matrix.os }}-${{ matrix.arch }}"
+          if [[ -n "${{ matrix.goarm }}" ]]; then
+            DIR_NAME="${DIR_NAME}v${{ matrix.goarm }}"
+          elif [[ -n "${{ matrix.go386 }}" && "${{ matrix.go386 }}" != 'sse2' ]]; then
+            DIR_NAME="${DIR_NAME}-${{ matrix.go386 }}"
+          elif [[ -n "${{ matrix.gomips }}" && "${{ matrix.gomips }}" != 'hardfloat' ]]; then
+            DIR_NAME="${DIR_NAME}-${{ matrix.gomips }}"
+          elif [[ "${{ matrix.legacy_go }}" == 'true' ]]; then
+            DIR_NAME="${DIR_NAME}-legacy"
+          fi
+          echo "DIR_NAME=${DIR_NAME}" >> "${GITHUB_ENV}"
+          PKG_VERSION="${{ needs.calculate_version.outputs.version }}"
+          PKG_VERSION="${PKG_VERSION//-/\~}"
+          echo "PKG_VERSION=${PKG_VERSION}" >> "${GITHUB_ENV}"
+      - name: Package DEB
+        if: matrix.debian != ''
+        run: |
+          set -xeuo pipefail
+          sudo gem install fpm
+          sudo apt-get update
+          sudo apt-get install -y debsigs
+          cp .fpm_systemd .fpm
+          fpm -t deb \
+            -v "$PKG_VERSION" \
+            -p "dist/sing-box_${{ needs.calculate_version.outputs.version }}_${{ matrix.os }}_${{ matrix.debian }}.deb" \
+            --architecture ${{ matrix.debian }} \
+            dist/sing-box=/usr/bin/sing-box
+          curl -Lo '/tmp/debsigs.diff' 'https://gitlab.com/debsigs/debsigs/-/commit/160138f5de1ec110376d3c807b60a37388bc7c90.diff'
+          sudo patch /usr/bin/debsigs < '/tmp/debsigs.diff'
+          rm -rf $HOME/.gnupg
+          gpg --pinentry-mode loopback --passphrase "${{ secrets.GPG_PASSPHRASE }}" --import <<EOF
+          ${{ secrets.GPG_KEY }}
+          EOF
+          debsigs --sign=origin -k ${{ secrets.GPG_KEY_ID }} --gpgopts '--pinentry-mode loopback --passphrase "${{ secrets.GPG_PASSPHRASE }}"' dist/*.deb
+      - name: Package RPM
+        if: matrix.rpm != ''
+        run: |-
+          set -xeuo pipefail
+          sudo gem install fpm
+          cp .fpm_systemd .fpm
+          fpm -t rpm \
+            -v "$PKG_VERSION" \
+            -p "dist/sing-box_${{ needs.calculate_version.outputs.version }}_${{ matrix.os }}_${{ matrix.rpm }}.rpm" \
+            --architecture ${{ matrix.rpm }} \
+            dist/sing-box=/usr/bin/sing-box
+          cat > $HOME/.rpmmacros <<EOF
+          %_gpg_name ${{ secrets.GPG_KEY_ID }}
+          %_gpg_sign_cmd_extra_args --pinentry-mode loopback --passphrase ${{ secrets.GPG_PASSPHRASE }}
+          EOF
+          gpg --pinentry-mode loopback --passphrase "${{ secrets.GPG_PASSPHRASE }}" --import <<EOF
+          ${{ secrets.GPG_KEY }}
+          EOF
+          rpmsign --addsign dist/*.rpm
+      - name: Package Pacman
+        if: matrix.pacman != ''
+        run: |-
+          set -xeuo pipefail
+          sudo gem install fpm
+          sudo apt-get update
+          sudo apt-get install -y libarchive-tools
+          cp .fpm_systemd .fpm
+          fpm -t pacman \
+            -v "$PKG_VERSION" \
+            -p "dist/sing-box_${{ needs.calculate_version.outputs.version }}_${{ matrix.os }}_${{ matrix.pacman }}.pkg.tar.zst" \
+            --architecture ${{ matrix.pacman }} \
+            dist/sing-box=/usr/bin/sing-box
+      - name: Package OpenWrt
+        if: matrix.openwrt != ''
+        run: |-
+          set -xeuo pipefail
+          sudo gem install fpm
+          cp .fpm_openwrt .fpm
+          fpm -t deb \
+            -v "$PKG_VERSION" \
+            -p "dist/openwrt.deb" \
+            --architecture all \
+            dist/sing-box=/usr/bin/sing-box
+          for architecture in ${{ matrix.openwrt }}; do
+            .github/deb2ipk.sh "$architecture" "dist/openwrt.deb" "dist/sing-box_${{ needs.calculate_version.outputs.version }}_openwrt_${architecture}.ipk"
+          done
+          rm "dist/openwrt.deb"
+      - name: Archive
+        run: |
+          set -xeuo pipefail
+          cd dist
+          mkdir -p "${DIR_NAME}"
+          cp ../LICENSE "${DIR_NAME}"
+          if [ '${{ matrix.os }}' = 'windows' ]; then
+            cp sing-box "${DIR_NAME}/sing-box.exe"
+            zip -r "${DIR_NAME}.zip" "${DIR_NAME}"
+          else
+            cp sing-box "${DIR_NAME}"
+            tar -czvf "${DIR_NAME}.tar.gz" "${DIR_NAME}"
+          fi
+          rm -r "${DIR_NAME}"
+      - name: Cleanup
+        run: rm dist/sing-box
       - name: Upload artifact
-        if: github.event_name == 'workflow_dispatch'
         uses: actions/upload-artifact@v4
         with:
-          name: binary-${{ matrix.name }}
-          path: 'dist'
+          name: binary-${{ matrix.os }}_${{ matrix.arch }}${{ matrix.goarm && format('v{0}', matrix.goarm) }}${{ matrix.go386 && format('_{0}', matrix.go386) }}${{ matrix.gomips && format('_{0}', matrix.gomips) }}${{ matrix.legacy_go && '-legacy' || '' }}
+          path: "dist"
   build_android:
     name: Build Android
     if: github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Android'
@@ -271,13 +342,11 @@ jobs:
           ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
           LOCAL_PROPERTIES: ${{ secrets.LOCAL_PROPERTIES }}
       - name: Prepare upload
-        if: github.event_name == 'workflow_dispatch'
         run: |-
-          mkdir -p dist/release
-          cp clients/android/app/build/outputs/apk/play/release/*.apk dist/release
-          cp clients/android/app/build/outputs/apk/other/release/*-universal.apk dist/release
+          mkdir -p dist
+          cp clients/android/app/build/outputs/apk/play/release/*.apk dist
+          cp clients/android/app/build/outputs/apk/other/release/*-universal.apk dist
       - name: Upload artifact
-        if: github.event_name == 'workflow_dispatch'
         uses: actions/upload-artifact@v4
         with:
           name: binary-android-apks
@@ -435,19 +504,19 @@ jobs:
 
           PROFILES_ZIP_PATH=$RUNNER_TEMP/Profiles.zip
           echo -n "$PROVISIONING_PROFILES" | base64 --decode -o $PROFILES_ZIP_PATH
-          
+
           PROFILES_PATH="$HOME/Library/MobileDevice/Provisioning Profiles"
           mkdir -p "$PROFILES_PATH"
           unzip $PROFILES_ZIP_PATH -d "$PROFILES_PATH"
-          
+
           ASC_KEY_PATH=$RUNNER_TEMP/Key.p12
           echo -n "$ASC_KEY" | base64 --decode -o $ASC_KEY_PATH
-          
+
           xcrun notarytool store-credentials "notarytool-password" \
             --key $ASC_KEY_PATH \
             --key-id $ASC_KEY_ID \
             --issuer $ASC_KEY_ISSUER_ID
-          
+
           echo "ASC_KEY_PATH=$ASC_KEY_PATH" >> "$GITHUB_ENV"
           echo "ASC_KEY_ID=$ASC_KEY_ID" >> "$GITHUB_ENV"
           echo "ASC_KEY_ISSUER_ID=$ASC_KEY_ISSUER_ID" >> "$GITHUB_ENV"
@@ -523,10 +592,10 @@ jobs:
           cd "${{ matrix.archive }}"
           zip -r SFM.dSYMs.zip dSYMs
           popd
-          
-          mkdir -p dist/release
-          cp clients/apple/SFM.dmg "dist/release/SFM-${VERSION}-universal.dmg"
-          cp "clients/apple/${{ matrix.archive }}/SFM.dSYMs.zip" "dist/release/SFM-${VERSION}-universal.dSYMs.zip"
+
+          mkdir -p dist
+          cp clients/apple/SFM.dmg "dist/SFM-${VERSION}-universal.dmg"
+          cp "clients/apple/${{ matrix.archive }}/SFM.dSYMs.zip" "dist/SFM-${VERSION}-universal.dSYMs.zip"
       - name: Upload image
         if: matrix.if && matrix.name == 'macOS-standalone' && github.event_name == 'workflow_dispatch'
         uses: actions/upload-artifact@v4
@@ -547,12 +616,6 @@ jobs:
         uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
-      - name: Setup Goreleaser
-        uses: goreleaser/goreleaser-action@v6
-        with:
-          distribution: goreleaser-pro
-          version: '~> v2'
-          install-only: true
       - name: Cache ghr
         uses: actions/cache@v4
         id: cache-ghr
@@ -577,26 +640,17 @@ jobs:
         with:
           path: dist
           merge-multiple: true
-      - name: Merge builds
-        if: github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Binary'
-        run: |-
-          goreleaser continue --merge --skip publish
-          mkdir -p dist/release
-          mv dist/*/sing-box*{tar.gz,zip,deb,rpm,_amd64.pkg.tar.zst,_arm64.pkg.tar.zst} dist/release
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}
       - name: Upload builds
         if: ${{ env.PUBLISHED == 'false' }}
         run: |-
           export PATH="$PATH:$HOME/go/bin"
-          ghr --replace --draft --prerelease -p 5 "v${VERSION}" dist/release
+          ghr --replace --draft --prerelease -p 5 "v${VERSION}" dist
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Replace builds
         if: ${{ env.PUBLISHED != 'false' }}
         run: |-
           export PATH="$PATH:$HOME/go/bin"
-          ghr --replace -p 5 "v${VERSION}" dist/release
+          ghr --replace -p 5 "v${VERSION}" dist
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/lint.yml

@@ -34,4 +34,5 @@ jobs:
         with:
           version: latest
           args: --timeout=30m
-          install-mode: binary
+          install-mode: binary
+          verify: false

.github/workflows/linux.yml

@@ -1,13 +1,22 @@
-name: Release to Linux repository
+name: Build Linux Packages
 
 on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: "Version name"
+        required: true
+        type: string
   release:
     types:
       - published
 
 jobs:
-  build:
+  calculate_version:
+    name: Calculate version
     runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.outputs.outputs.version }}
     steps:
       - name: Checkout
         uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
@@ -17,22 +26,162 @@ jobs:
         uses: actions/setup-go@v5
         with:
           go-version: ^1.24
-      - name: Extract signing key
+      - name: Check input version
+        if: github.event_name == 'workflow_dispatch'
         run: |-
-          mkdir -p $HOME/.gnupg
-          cat > $HOME/.gnupg/sagernet.key <<EOF
+          echo "version=${{ inputs.version }}"
+          echo "version=${{ inputs.version }}" >> "$GITHUB_ENV"
+      - name: Calculate version
+        if: github.event_name != 'workflow_dispatch'
+        run: |-
+          go run -v ./cmd/internal/read_tag --ci --nightly
+      - name: Set outputs
+        id: outputs
+        run: |-
+          echo "version=$version" >> "$GITHUB_OUTPUT"
+  build:
+    name: Build binary
+    runs-on: ubuntu-latest
+    needs:
+      - calculate_version
+    strategy:
+      matrix:
+        include:
+          - { os: linux, arch: amd64, debian: amd64, rpm: x86_64, pacman: x86_64 }
+          - { os: linux, arch: "386", debian: i386, rpm: i386 }
+          - { os: linux, arch: arm, goarm: "6", debian: armel, rpm: armv6hl }
+          - { os: linux, arch: arm, goarm: "7", debian: armhf, rpm: armv7hl, pacman: armv7hl }
+          - { os: linux, arch: arm64, debian: arm64, rpm: aarch64, pacman: aarch64 }
+          - { os: linux, arch: mips64le, debian: mips64el, rpm: mips64el }
+          - { os: linux, arch: mipsle, debian: mipsel, rpm: mipsel }
+          - { os: linux, arch: s390x, debian: s390x, rpm: s390x }
+          - { os: linux, arch: ppc64le, debian: ppc64el, rpm: ppc64le }
+          - { os: linux, arch: riscv64, debian: riscv64, rpm: riscv64 }
+          - { os: linux, arch: loong64, debian: loongarch64, rpm: loongarch64 }
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.24
+      - name: Setup Android NDK
+        if: matrix.os == 'android'
+        uses: nttld/setup-ndk@v1
+        with:
+          ndk-version: r28
+          local-cache: true
+      - name: Set tag
+        run: |-
+          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
+          git tag v${{ needs.calculate_version.outputs.version }} -f
+      - name: Set build tags
+        run: |
+          set -xeuo pipefail
+          TAGS='with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_reality_server,with_acme,with_clash_api'
+          if [ ! '${{ matrix.legacy_go }}' = 'true' ]; then
+            TAGS="${TAGS},with_ech"
+          fi
+          echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
+      - name: Build
+        run: |
+          set -xeuo pipefail
+          mkdir -p dist
+          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
+          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' \
+          ./cmd/sing-box
+        env:
+          CGO_ENABLED: "0"
+          GOOS: ${{ matrix.os }}
+          GOARCH: ${{ matrix.arch }}
+          GOARM: ${{ matrix.goarm }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Set mtime
+        run: |-
+          TZ=UTC touch -t '197001010000' dist/sing-box
+      - name: Set name
+        if: ${{ ! contains(needs.calculate_version.outputs.version, '-') }}
+        run: |-
+          echo "NAME=sing-box" >> "$GITHUB_ENV"
+      - name: Set beta name
+        if: contains(needs.calculate_version.outputs.version, '-')
+        run: |-
+          echo "NAME=sing-box-beta" >> "$GITHUB_ENV"
+      - name: Set version
+        run: |-
+          PKG_VERSION="${{ needs.calculate_version.outputs.version }}"
+          PKG_VERSION="${PKG_VERSION//-/\~}"
+          echo "PKG_VERSION=${PKG_VERSION}" >> "${GITHUB_ENV}"
+      - name: Package DEB
+        if: matrix.debian != ''
+        run: |
+          set -xeuo pipefail
+          sudo gem install fpm
+          sudo apt-get install -y debsigs
+          cp .fpm_systemd .fpm
+          fpm -t deb \
+            --name "${NAME}" \
+            -v "$PKG_VERSION" \
+            -p "dist/${NAME}_${{ needs.calculate_version.outputs.version }}_linux_${{ matrix.debian }}.deb" \
+            --architecture ${{ matrix.debian }} \
+            dist/sing-box=/usr/bin/sing-box
+          curl -Lo '/tmp/debsigs.diff' 'https://gitlab.com/debsigs/debsigs/-/commit/160138f5de1ec110376d3c807b60a37388bc7c90.diff'
+          sudo patch /usr/bin/debsigs < '/tmp/debsigs.diff'
+          rm -rf $HOME/.gnupg
+          gpg --pinentry-mode loopback --passphrase "${{ secrets.GPG_PASSPHRASE }}" --import <<EOF
           ${{ secrets.GPG_KEY }}
           EOF
-          echo "HOME=$HOME" >> "$GITHUB_ENV"
-      - name: Publish release
-        uses: goreleaser/goreleaser-action@v6
+          debsigs --sign=origin -k ${{ secrets.GPG_KEY_ID }} --gpgopts '--pinentry-mode loopback --passphrase "${{ secrets.GPG_PASSPHRASE }}"' dist/*.deb
+      - name: Package RPM
+        if: matrix.rpm != ''
+        run: |-
+          set -xeuo pipefail
+          sudo gem install fpm
+          cp .fpm_systemd .fpm
+          fpm -t rpm \
+            --name "${NAME}" \
+            -v "$PKG_VERSION" \
+            -p "dist/${NAME}_${{ needs.calculate_version.outputs.version }}_linux_${{ matrix.rpm }}.rpm" \
+            --architecture ${{ matrix.rpm }} \
+            dist/sing-box=/usr/bin/sing-box
+          cat > $HOME/.rpmmacros <<EOF
+          %_gpg_name ${{ secrets.GPG_KEY_ID }}
+          %_gpg_sign_cmd_extra_args --pinentry-mode loopback --passphrase ${{ secrets.GPG_PASSPHRASE }}
+          EOF
+          gpg --pinentry-mode loopback --passphrase "${{ secrets.GPG_PASSPHRASE }}" --import <<EOF
+          ${{ secrets.GPG_KEY }}
+          EOF
+          rpmsign --addsign dist/*.rpm
+      - name: Cleanup
+        run: rm dist/sing-box
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
         with:
-          distribution: goreleaser-pro
-          version: '~> v2'
-          args: release -f .goreleaser.fury.yaml --clean
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}
-          FURY_TOKEN: ${{ secrets.FURY_TOKEN }}
-          NFPM_KEY_PATH: ${{ env.HOME }}/.gnupg/sagernet.key
-          NFPM_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+          name: binary-${{ matrix.os }}_${{ matrix.arch }}${{ matrix.goarm && format('v{0}', matrix.goarm) }}${{ matrix.legacy_go && '-legacy' || '' }}
+          path: "dist"
+  upload:
+    name: Upload builds
+    runs-on: ubuntu-latest
+    needs:
+      - calculate_version
+      - build
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+      - name: Set tag
+        run: |-
+          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
+          git tag v${{ needs.calculate_version.outputs.version }} -f
+          echo "VERSION=${{ needs.calculate_version.outputs.version }}" >> "$GITHUB_ENV"
+      - name: Download builds
+        uses: actions/download-artifact@v4
+        with:
+          path: dist
+          merge-multiple: true
+      - name: Publish packages
+        run: |-
+          ls dist | xargs -I {} curl -F "package=@dist/{}" https://${{ secrets.FURY_TOKEN }}@push.fury.io/sagernet/

.gitignore

@@ -1,7 +1,6 @@
 /.idea/
 /vendor/
 /*.json
-/*.js
 /*.srs
 /*.db
 /site/

.golangci.yml

@@ -21,17 +21,17 @@ linters-settings:
       - -SA1003
 
 run:
-  go: "1.24"
+  go: "1.23"
   build-tags:
     - with_gvisor
     - with_quic
     - with_dhcp
     - with_wireguard
+    - with_ech
     - with_utls
     - with_reality_server
     - with_acme
     - with_clash_api
-    - with_script
 
 issues:
   exclude-dirs:

.goreleaser.fury.yaml

@@ -6,19 +6,17 @@ builds:
       - -v
       - -trimpath
     ldflags:
-      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }}
-      - -s
-      - -buildid=
+      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }} -s -w -buildid=
     tags:
       - with_gvisor
       - with_quic
       - with_dhcp
       - with_wireguard
+      - with_ech
       - with_utls
       - with_reality_server
       - with_acme
       - with_clash_api
-      - with_tailscale
     env:
       - CGO_ENABLED=0
     targets:
@@ -50,7 +48,7 @@ nfpms:
     contents:
       - src: release/config/config.json
         dst: /etc/sing-box/config.json
-        type: config
+        type: "config|noreplace"
 
       - src: release/config/sing-box.service
         dst: /usr/lib/systemd/system/sing-box.service

.goreleaser.yaml

@@ -16,15 +16,13 @@ builds:
       - with_quic
       - with_dhcp
       - with_wireguard
+      - with_ech
       - with_utls
       - with_reality_server
       - with_acme
       - with_clash_api
-      - with_tailscale
-      - with_script
     env:
       - CGO_ENABLED=0
-      - GOTOOLCHAIN=local
     targets:
       - linux_386
       - linux_amd64_v1
@@ -51,20 +49,18 @@ builds:
       - with_reality_server
       - with_acme
       - with_clash_api
-      - with_tailscale
-      - with_script
     env:
       - CGO_ENABLED=0
-      - GOROOT={{ .Env.GOPATH }}/go_legacy
-    tool: "{{ .Env.GOPATH }}/go_legacy/bin/go"
+      - GOROOT={{ .Env.GOPATH }}/go1.20.14
+    tool: "{{ .Env.GOPATH }}/go1.20.14/bin/go"
     targets:
       - windows_amd64_v1
       - windows_386
+      - darwin_amd64_v1
   - id: android
     <<: *template
     env:
       - CGO_ENABLED=1
-      - GOTOOLCHAIN=local
     overrides:
       - goos: android
         goarch: arm
@@ -128,13 +124,13 @@ nfpms:
       - deb
       - rpm
       - archlinux
-    #      - apk
-    #      - ipk
+#      - apk
+#      - ipk
     priority: extra
     contents:
       - src: release/config/config.json
         dst: /etc/sing-box/config.json
-        type: config
+        type: "config|noreplace"
 
       - src: release/config/sing-box.service
         dst: /usr/lib/systemd/system/sing-box.service

Dockerfile

@@ -13,7 +13,7 @@ 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_reality_server,with_acme,with_clash_api" \
+        "with_gvisor,with_quic,with_dhcp,with_wireguard,with_ech,with_utls,with_reality_server,with_acme,with_clash_api" \
         -o /go/bin/sing-box \
         -ldflags "-X \"github.com/sagernet/sing-box/constant.Version=$VERSION\" -s -w -buildid=" \
         ./cmd/sing-box

Makefile

@@ -1,37 +1,34 @@
 NAME = sing-box
 COMMIT = $(shell git rev-parse --short HEAD)
 TAGS_GO120 = with_gvisor,with_dhcp,with_wireguard,with_reality_server,with_clash_api,with_quic,with_utls
-TAGS_GO123 = with_tailscale,with_script
-TAGS ?= $(TAGS_GO120),$(TAGS_GO123)
-TAGS_TEST ?= with_gvisor,with_quic,with_wireguard,with_grpc,with_utls,with_reality_server
+TAGS_GO121 = with_ech
+TAGS ?= $(TAGS_GO118),$(TAGS_GO120),$(TAGS_GO121)
+TAGS_TEST ?= with_gvisor,with_quic,with_wireguard,with_grpc,with_ech,with_utls,with_reality_server
 
 GOHOSTOS = $(shell go env GOHOSTOS)
 GOHOSTARCH = $(shell go env GOHOSTARCH)
 VERSION=$(shell CGO_ENABLED=0 GOOS=$(GOHOSTOS) GOARCH=$(GOHOSTARCH) go run ./cmd/internal/read_tag)
 
 PARAMS = -v -trimpath -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=$(VERSION)' -s -w -buildid="
-MAIN_PARAMS = $(PARAMS) -tags $(TAGS)
+MAIN_PARAMS = $(PARAMS) -tags "$(TAGS)"
 MAIN = ./cmd/sing-box
 PREFIX ?= $(shell go env GOPATH)
 
 .PHONY: test release docs build
 
 build:
-	export GOTOOLCHAIN=local && \
 	go build $(MAIN_PARAMS) $(MAIN)
 
 ci_build_go120:
-	export GOTOOLCHAIN=local && \
-	go build $(PARAMS) $(MAIN) && \
+	go build $(PARAMS) $(MAIN)
 	go build $(PARAMS) -tags "$(TAGS_GO120)" $(MAIN)
 
 ci_build:
-	export GOTOOLCHAIN=local && \
-	go build $(PARAMS) $(MAIN) && \
+	go build $(PARAMS) $(MAIN)
 	go build $(MAIN_PARAMS) $(MAIN)
 
 generate_completions:
-	go run -v --tags $(TAGS),generate,generate_completions $(MAIN)
+	go run -v --tags "$(TAGS),generate,generate_completions" $(MAIN)
 
 install:
 	go build -o $(PREFIX)/bin/$(NAME) $(MAIN_PARAMS) $(MAIN)
@@ -64,9 +61,6 @@ proto_install:
 	go install -v google.golang.org/protobuf/cmd/protoc-gen-go@latest
 	go install -v google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
 
-update_certificates:
-	go run ./cmd/internal/update_certificates
-
 release:
 	go run ./cmd/internal/build goreleaser release --clean --skip publish
 	mkdir dist/release
@@ -233,8 +227,8 @@ lib:
 	go run ./cmd/internal/build_libbox -target ios
 
 lib_install:
-	go install -v github.com/sagernet/gomobile/cmd/gomobile@v0.1.5
-	go install -v github.com/sagernet/gomobile/cmd/gobind@v0.1.5
+	go install -v github.com/sagernet/gomobile/cmd/gomobile@v0.1.4
+	go install -v github.com/sagernet/gomobile/cmd/gobind@v0.1.4
 
 docs:
 	venv/bin/mkdocs serve
@@ -253,4 +247,4 @@ clean:
 update:
 	git fetch
 	git reset FETCH_HEAD --hard
-	git clean -fdx
+	git clean -fdx

adapter/certificate.go

@@ -1,24 +0,0 @@
-package adapter
-
-import (
-	"context"
-	"crypto/x509"
-
-	"github.com/sagernet/sing/service"
-)
-
-type CertificateStore interface {
-	LifecycleService
-	Pool() *x509.CertPool
-	TLSDecryptionEnabled() bool
-	TLSDecryptionCertificate() *x509.Certificate
-	TLSDecryptionPrivateKey() any
-}
-
-func RootPoolFromContext(ctx context.Context) *x509.CertPool {
-	store := service.FromContext[CertificateStore](ctx)
-	if store == nil {
-		return nil
-	}
-	return store.Pool()
-}

adapter/dns.go

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

adapter/experimental.go

@@ -6,6 +6,8 @@ import (
 	"encoding/binary"
 	"time"
 
+	"github.com/sagernet/sing-box/common/urltest"
+	"github.com/sagernet/sing-dns"
 	"github.com/sagernet/sing/common/varbin"
 )
 
@@ -14,20 +16,7 @@ type ClashServer interface {
 	ConnectionTracker
 	Mode() string
 	ModeList() []string
-	HistoryStorage() URLTestHistoryStorage
-}
-
-type URLTestHistory struct {
-	Time  time.Time `json:"time"`
-	Delay uint16    `json:"delay"`
-}
-
-type URLTestHistoryStorage interface {
-	SetHook(hook chan<- struct{})
-	LoadURLTestHistory(tag string) *URLTestHistory
-	DeleteURLTestHistory(tag string)
-	StoreURLTestHistory(tag string, history *URLTestHistory)
-	Close() error
+	HistoryStorage() *urltest.HistoryStorage
 }
 
 type V2RayServer interface {
@@ -42,7 +31,7 @@ type CacheFile interface {
 	FakeIPStorage
 
 	StoreRDRC() bool
-	RDRCStore
+	dns.RDRCStore
 
 	LoadMode() string
 	StoreMode(mode string) error
@@ -52,10 +41,6 @@ type CacheFile interface {
 	StoreGroupExpand(group string, expand bool) error
 	LoadRuleSet(tag string) *SavedBinary
 	SaveRuleSet(tag string, set *SavedBinary) error
-	LoadScript(tag string) *SavedBinary
-	SaveScript(tag string, script *SavedBinary) error
-	SurgePersistentStoreRead(key string) string
-	SurgePersistentStoreWrite(key string, value string) error
 }
 
 type SavedBinary struct {

adapter/fakeip.go

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

adapter/inbound.go

@@ -2,8 +2,6 @@ package adapter
 
 import (
 	"context"
-	"crypto/tls"
-	"net/http"
 	"net/netip"
 	"time"
 
@@ -60,8 +58,6 @@ type InboundContext struct {
 	Client           string
 	SniffContext     any
 	PacketSniffError error
-	HTTPRequest      *http.Request
-	ClientHello      *tls.ClientHelloInfo
 
 	// cache
 
@@ -76,15 +72,14 @@ type InboundContext struct {
 	UDPDisableDomainUnmapping bool
 	UDPConnect                bool
 	UDPTimeout                time.Duration
-	TLSFragment               bool
-	TLSFragmentFallbackDelay  time.Duration
-	MITM                      *option.MITMRouteOptions
 
 	NetworkStrategy     *C.NetworkStrategy
 	NetworkType         []C.InterfaceType
 	FallbackNetworkType []C.InterfaceType
 	FallbackDelay       time.Duration
 
+	DNSServer string
+
 	DestinationAddresses []netip.Addr
 	SourceGeoIPCode      string
 	GeoIPCode            string

adapter/lifecycle.go

@@ -1,8 +1,6 @@
 package adapter
 
-import (
-	E "github.com/sagernet/sing/common/exceptions"
-)
+import E "github.com/sagernet/sing/common/exceptions"
 
 type StartStage uint8
 
@@ -47,9 +45,6 @@ type LifecycleService interface {
 
 func Start(stage StartStage, services ...Lifecycle) error {
 	for _, service := range services {
-		if service == nil {
-			continue
-		}
 		err := service.Start(stage)
 		if err != nil {
 			return err

adapter/mitm.go

@@ -1,13 +0,0 @@
-package adapter
-
-import (
-	"context"
-	"net"
-
-	N "github.com/sagernet/sing/common/network"
-)
-
-type MITMEngine interface {
-	Lifecycle
-	NewConnection(ctx context.Context, this N.Dialer, conn net.Conn, metadata InboundContext, onClose N.CloseHandlerFunc)
-}

adapter/network.go

@@ -29,14 +29,12 @@ type NetworkManager interface {
 }
 
 type NetworkOptions struct {
-	BindInterface        string
-	RoutingMark          uint32
-	DomainResolver       string
-	DomainResolveOptions DNSQueryOptions
-	NetworkStrategy      *C.NetworkStrategy
-	NetworkType          []C.InterfaceType
-	FallbackNetworkType  []C.InterfaceType
-	FallbackDelay        time.Duration
+	NetworkStrategy     *C.NetworkStrategy
+	NetworkType         []C.InterfaceType
+	FallbackNetworkType []C.InterfaceType
+	FallbackDelay       time.Duration
+	BindInterface       string
+	RoutingMark         uint32
 }
 
 type InterfaceUpdateListener interface {

adapter/outbound/manager.go

@@ -23,7 +23,7 @@ type Manager struct {
 	registry                adapter.OutboundRegistry
 	endpoint                adapter.EndpointManager
 	defaultTag              string
-	access                  sync.RWMutex
+	access                  sync.Mutex
 	started                 bool
 	stage                   adapter.StartStage
 	outbounds               []adapter.Outbound
@@ -169,15 +169,15 @@ func (m *Manager) Close() error {
 }
 
 func (m *Manager) Outbounds() []adapter.Outbound {
-	m.access.RLock()
-	defer m.access.RUnlock()
+	m.access.Lock()
+	defer m.access.Unlock()
 	return m.outbounds
 }
 
 func (m *Manager) Outbound(tag string) (adapter.Outbound, bool) {
-	m.access.RLock()
+	m.access.Lock()
 	outbound, found := m.outboundByTag[tag]
-	m.access.RUnlock()
+	m.access.Unlock()
 	if found {
 		return outbound, true
 	}
@@ -185,8 +185,8 @@ func (m *Manager) Outbound(tag string) (adapter.Outbound, bool) {
 }
 
 func (m *Manager) Default() adapter.Outbound {
-	m.access.RLock()
-	defer m.access.RUnlock()
+	m.access.Lock()
+	defer m.access.Unlock()
 	if m.defaultOutbound != nil {
 		return m.defaultOutbound
 	} else {
@@ -196,9 +196,9 @@ func (m *Manager) Default() adapter.Outbound {
 
 func (m *Manager) Remove(tag string) error {
 	m.access.Lock()
-	defer m.access.Unlock()
 	outbound, found := m.outboundByTag[tag]
 	if !found {
+		m.access.Unlock()
 		return os.ErrInvalid
 	}
 	delete(m.outboundByTag, tag)
@@ -232,6 +232,7 @@ func (m *Manager) Remove(tag string) error {
 			})
 		}
 	}
+	m.access.Unlock()
 	if started {
 		return common.Close(outbound)
 	}
@@ -246,6 +247,8 @@ func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.
 	if err != nil {
 		return err
 	}
+	m.access.Lock()
+	defer m.access.Unlock()
 	if m.started {
 		for _, stage := range adapter.ListStartStages {
 			err = adapter.LegacyStart(outbound, stage)
@@ -254,8 +257,6 @@ func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.
 			}
 		}
 	}
-	m.access.Lock()
-	defer m.access.Unlock()
 	if existsOutbound, loaded := m.outboundByTag[tag]; loaded {
 		if m.started {
 			err = common.Close(existsOutbound)

adapter/router.go

@@ -2,29 +2,44 @@ package adapter
 
 import (
 	"context"
-	"crypto/tls"
 	"net"
 	"net/http"
+	"net/netip"
 	"sync"
 
+	"github.com/sagernet/sing-box/common/geoip"
 	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-dns"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
-	"github.com/sagernet/sing/common/ntp"
 	"github.com/sagernet/sing/common/x/list"
 
+	mdns "github.com/miekg/dns"
 	"go4.org/netipx"
 )
 
 type Router interface {
 	Lifecycle
+
+	FakeIPStore() FakeIPStore
+
 	ConnectionRouter
 	PreMatch(metadata InboundContext) error
 	ConnectionRouterEx
+
+	GeoIPReader() *geoip.Reader
+	LoadGeosite(code string) (Rule, error)
 	RuleSet(tag string) (RuleSet, bool)
 	NeedWIFIState() bool
+
+	Exchange(ctx context.Context, message *mdns.Msg) (*mdns.Msg, error)
+	Lookup(ctx context.Context, domain string, strategy dns.DomainStrategy) ([]netip.Addr, error)
+	LookupDefault(ctx context.Context, domain string) ([]netip.Addr, error)
+	ClearDNSCache()
 	Rules() []Rule
-	SetTracker(tracker ConnectionTracker)
+
+	AppendTracker(tracker ConnectionTracker)
+
 	ResetNetwork()
 }
 
@@ -68,14 +83,12 @@ type RuleSetMetadata struct {
 	ContainsIPCIDRRule  bool
 }
 type HTTPStartContext struct {
-	ctx             context.Context
 	access          sync.Mutex
 	httpClientCache map[string]*http.Client
 }
 
-func NewHTTPStartContext(ctx context.Context) *HTTPStartContext {
+func NewHTTPStartContext() *HTTPStartContext {
 	return &HTTPStartContext{
-		ctx:             ctx,
 		httpClientCache: make(map[string]*http.Client),
 	}
 }
@@ -93,10 +106,6 @@ func (c *HTTPStartContext) HTTPClient(detour string, dialer N.Dialer) *http.Clie
 			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
 				return dialer.DialContext(ctx, network, M.ParseSocksaddr(addr))
 			},
-			TLSClientConfig: &tls.Config{
-				Time:    ntp.TimeFuncFromContext(c.ctx),
-				RootCAs: RootPoolFromContext(c.ctx),
-			},
 		},
 	}
 	c.httpClientCache[detour] = httpClient

adapter/rule.go

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

adapter/script.go

@@ -1,54 +0,0 @@
-package adapter
-
-import (
-	"context"
-	"net/http"
-	"sync"
-	"time"
-)
-
-type ScriptManager interface {
-	Lifecycle
-	Scripts() []Script
-	Script(name string) (Script, bool)
-	SurgeCache() *SurgeInMemoryCache
-}
-
-type SurgeInMemoryCache struct {
-	sync.RWMutex
-	Data map[string]string
-}
-
-type Script interface {
-	Type() string
-	Tag() string
-	StartContext(ctx context.Context, startContext *HTTPStartContext) error
-	PostStart() error
-	Close() error
-}
-
-type SurgeScript interface {
-	Script
-	ExecuteGeneric(ctx context.Context, scriptType string, timeout time.Duration, arguments []string) error
-	ExecuteHTTPRequest(ctx context.Context, timeout time.Duration, request *http.Request, body []byte, binaryBody bool, arguments []string) (*HTTPRequestScriptResult, error)
-	ExecuteHTTPResponse(ctx context.Context, timeout time.Duration, request *http.Request, response *http.Response, body []byte, binaryBody bool, arguments []string) (*HTTPResponseScriptResult, error)
-}
-
-type HTTPRequestScriptResult struct {
-	URL      string
-	Headers  http.Header
-	Body     []byte
-	Response *HTTPRequestScriptResponse
-}
-
-type HTTPRequestScriptResponse struct {
-	Status  int
-	Headers http.Header
-	Body    []byte
-}
-
-type HTTPResponseScriptResult struct {
-	Status  int
-	Headers http.Header
-	Body    []byte
-}

box.go

@@ -12,22 +12,17 @@ import (
 	"github.com/sagernet/sing-box/adapter/endpoint"
 	"github.com/sagernet/sing-box/adapter/inbound"
 	"github.com/sagernet/sing-box/adapter/outbound"
-	"github.com/sagernet/sing-box/common/certificate"
 	"github.com/sagernet/sing-box/common/dialer"
 	"github.com/sagernet/sing-box/common/taskmonitor"
 	"github.com/sagernet/sing-box/common/tls"
 	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/dns"
-	"github.com/sagernet/sing-box/dns/transport/local"
 	"github.com/sagernet/sing-box/experimental"
 	"github.com/sagernet/sing-box/experimental/cachefile"
 	"github.com/sagernet/sing-box/experimental/libbox/platform"
 	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-box/mitm"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing-box/protocol/direct"
 	"github.com/sagernet/sing-box/route"
-	"github.com/sagernet/sing-box/script"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
 	F "github.com/sagernet/sing/common/format"
@@ -39,21 +34,17 @@ import (
 var _ adapter.Service = (*Box)(nil)
 
 type Box struct {
-	createdAt    time.Time
-	logFactory   log.Factory
-	logger       log.ContextLogger
-	network      *route.NetworkManager
-	endpoint     *endpoint.Manager
-	inbound      *inbound.Manager
-	outbound     *outbound.Manager
-	dnsTransport *dns.TransportManager
-	dnsRouter    *dns.Router
-	connection   *route.ConnectionManager
-	router       *route.Router
-	script       *script.Manager
-	mitm         adapter.MITMEngine //*mitm.Engine
-	services     []adapter.LifecycleService
-	done         chan struct{}
+	createdAt  time.Time
+	logFactory log.Factory
+	logger     log.ContextLogger
+	network    *route.NetworkManager
+	endpoint   *endpoint.Manager
+	inbound    *inbound.Manager
+	outbound   *outbound.Manager
+	connection *route.ConnectionManager
+	router     *route.Router
+	services   []adapter.LifecycleService
+	done       chan struct{}
 }
 
 type Options struct {
@@ -67,7 +58,6 @@ func Context(
 	inboundRegistry adapter.InboundRegistry,
 	outboundRegistry adapter.OutboundRegistry,
 	endpointRegistry adapter.EndpointRegistry,
-	dnsTransportRegistry adapter.DNSTransportRegistry,
 ) context.Context {
 	if service.FromContext[option.InboundOptionsRegistry](ctx) == nil ||
 		service.FromContext[adapter.InboundRegistry](ctx) == nil {
@@ -84,10 +74,6 @@ func Context(
 		ctx = service.ContextWith[option.EndpointOptionsRegistry](ctx, endpointRegistry)
 		ctx = service.ContextWith[adapter.EndpointRegistry](ctx, endpointRegistry)
 	}
-	if service.FromContext[adapter.DNSTransportRegistry](ctx) == nil {
-		ctx = service.ContextWith[option.DNSTransportOptionsRegistry](ctx, dnsTransportRegistry)
-		ctx = service.ContextWith[adapter.DNSTransportRegistry](ctx, dnsTransportRegistry)
-	}
 	return ctx
 }
 
@@ -102,7 +88,6 @@ func New(options Options) (*Box, error) {
 	endpointRegistry := service.FromContext[adapter.EndpointRegistry](ctx)
 	inboundRegistry := service.FromContext[adapter.InboundRegistry](ctx)
 	outboundRegistry := service.FromContext[adapter.OutboundRegistry](ctx)
-	dnsTransportRegistry := service.FromContext[adapter.DNSTransportRegistry](ctx)
 
 	if endpointRegistry == nil {
 		return nil, E.New("missing endpoint registry in context")
@@ -146,67 +131,33 @@ func New(options Options) (*Box, error) {
 		return nil, E.Cause(err, "create log factory")
 	}
 
-	var services []adapter.LifecycleService
-	certificateStore, err := certificate.NewStore(ctx, logFactory.NewLogger("certificate"), common.PtrValueOrDefault(options.Certificate))
-	if err != nil {
-		return nil, err
-	}
-	service.MustRegister[adapter.CertificateStore](ctx, certificateStore)
-	services = append(services, certificateStore)
-
 	routeOptions := common.PtrValueOrDefault(options.Route)
-	dnsOptions := common.PtrValueOrDefault(options.DNS)
 	endpointManager := endpoint.NewManager(logFactory.NewLogger("endpoint"), endpointRegistry)
 	inboundManager := inbound.NewManager(logFactory.NewLogger("inbound"), inboundRegistry, endpointManager)
 	outboundManager := outbound.NewManager(logFactory.NewLogger("outbound"), outboundRegistry, endpointManager, routeOptions.Final)
-	dnsTransportManager := dns.NewTransportManager(logFactory.NewLogger("dns/transport"), dnsTransportRegistry, outboundManager, dnsOptions.Final)
 	service.MustRegister[adapter.EndpointManager](ctx, endpointManager)
 	service.MustRegister[adapter.InboundManager](ctx, inboundManager)
 	service.MustRegister[adapter.OutboundManager](ctx, outboundManager)
-	service.MustRegister[adapter.DNSTransportManager](ctx, dnsTransportManager)
-	dnsRouter := dns.NewRouter(ctx, logFactory, dnsOptions)
-	service.MustRegister[adapter.DNSRouter](ctx, dnsRouter)
+
 	networkManager, err := route.NewNetworkManager(ctx, logFactory.NewLogger("network"), routeOptions)
 	if err != nil {
 		return nil, E.Cause(err, "initialize network manager")
 	}
 	service.MustRegister[adapter.NetworkManager](ctx, networkManager)
-	connectionManager := route.NewConnectionManager(ctx, logFactory.NewLogger("connection"))
+	connectionManager := route.NewConnectionManager(logFactory.NewLogger("connection"))
 	service.MustRegister[adapter.ConnectionManager](ctx, connectionManager)
-	router := route.NewRouter(ctx, logFactory, routeOptions, dnsOptions)
-	service.MustRegister[adapter.Router](ctx, router)
-	err = router.Initialize(routeOptions.Rules, routeOptions.RuleSet)
+	router, err := route.NewRouter(ctx, logFactory, routeOptions, common.PtrValueOrDefault(options.DNS))
 	if err != nil {
 		return nil, E.Cause(err, "initialize router")
 	}
-	var timeService *tls.TimeServiceWrapper
+
 	ntpOptions := common.PtrValueOrDefault(options.NTP)
+	var timeService *tls.TimeServiceWrapper
 	if ntpOptions.Enabled {
 		timeService = new(tls.TimeServiceWrapper)
 		service.MustRegister[ntp.TimeService](ctx, timeService)
 	}
-	for i, transportOptions := range dnsOptions.Servers {
-		var tag string
-		if transportOptions.Tag != "" {
-			tag = transportOptions.Tag
-		} else {
-			tag = F.ToString(i)
-		}
-		err = dnsTransportManager.Create(
-			ctx,
-			logFactory.NewLogger(F.ToString("dns/", transportOptions.Type, "[", tag, "]")),
-			tag,
-			transportOptions.Type,
-			transportOptions.Options,
-		)
-		if err != nil {
-			return nil, E.Cause(err, "initialize DNS server[", i, "]")
-		}
-	}
-	err = dnsRouter.Initialize(dnsOptions.Rules)
-	if err != nil {
-		return nil, E.Cause(err, "initialize dns router")
-	}
+
 	for i, endpointOptions := range options.Endpoints {
 		var tag string
 		if endpointOptions.Tag != "" {
@@ -230,7 +181,7 @@ func New(options Options) (*Box, error) {
 			endpointOptions.Options,
 		)
 		if err != nil {
-			return nil, E.Cause(err, "initialize endpoint[", i, "]")
+			return nil, E.Cause(err, "initialize inbound[", i, "]")
 		}
 	}
 	for i, inboundOptions := range options.Inbounds {
@@ -287,24 +238,13 @@ func New(options Options) (*Box, error) {
 			option.DirectOutboundOptions{},
 		),
 	))
-	dnsTransportManager.Initialize(common.Must1(
-		local.NewTransport(
-			ctx,
-			logFactory.NewLogger("dns/local"),
-			"local",
-			option.LocalDNSServerOptions{},
-		)))
-	scriptManager, err := script.NewManager(ctx, logFactory, options.Scripts)
-	if err != nil {
-		return nil, E.Cause(err, "initialize script manager")
-	}
-	service.MustRegister[adapter.ScriptManager](ctx, scriptManager)
 	if platformInterface != nil {
 		err = platformInterface.Initialize(networkManager)
 		if err != nil {
 			return nil, E.Cause(err, "initialize platform interface")
 		}
 	}
+	var services []adapter.LifecycleService
 	if needCacheFile {
 		cacheFile := cachefile.New(ctx, common.PtrValueOrDefault(experimentalOptions.CacheFile))
 		service.MustRegister[adapter.CacheFile](ctx, cacheFile)
@@ -317,7 +257,7 @@ func New(options Options) (*Box, error) {
 		if err != nil {
 			return nil, E.Cause(err, "create clash-server")
 		}
-		router.SetTracker(clashServer)
+		router.AppendTracker(clashServer)
 		service.MustRegister[adapter.ClashServer](ctx, clashServer)
 		services = append(services, clashServer)
 	}
@@ -327,13 +267,13 @@ func New(options Options) (*Box, error) {
 			return nil, E.Cause(err, "create v2ray-server")
 		}
 		if v2rayServer.StatsService() != nil {
-			router.SetTracker(v2rayServer.StatsService())
+			router.AppendTracker(v2rayServer.StatsService())
 			services = append(services, v2rayServer)
 			service.MustRegister[adapter.V2RayServer](ctx, v2rayServer)
 		}
 	}
 	if ntpOptions.Enabled {
-		ntpDialer, err := dialer.New(ctx, ntpOptions.DialerOptions, ntpOptions.ServerIsDomain())
+		ntpDialer, err := dialer.New(ctx, ntpOptions.DialerOptions)
 		if err != nil {
 			return nil, E.Cause(err, "create NTP service")
 		}
@@ -348,32 +288,18 @@ func New(options Options) (*Box, error) {
 		timeService.TimeService = ntpService
 		services = append(services, adapter.NewLifecycleService(ntpService, "ntp service"))
 	}
-	mitmOptions := common.PtrValueOrDefault(options.MITM)
-	var mitmEngine adapter.MITMEngine
-	if mitmOptions.Enabled {
-		engine, err := mitm.NewEngine(ctx, logFactory.NewLogger("mitm"), mitmOptions)
-		if err != nil {
-			return nil, E.Cause(err, "create MITM engine")
-		}
-		service.MustRegister[adapter.MITMEngine](ctx, engine)
-		mitmEngine = engine
-	}
 	return &Box{
-		network:      networkManager,
-		endpoint:     endpointManager,
-		inbound:      inboundManager,
-		outbound:     outboundManager,
-		dnsTransport: dnsTransportManager,
-		dnsRouter:    dnsRouter,
-		connection:   connectionManager,
-		router:       router,
-		script:       scriptManager,
-		mitm:         mitmEngine,
-		createdAt:    createdAt,
-		logFactory:   logFactory,
-		logger:       logFactory.Logger(),
-		services:     services,
-		done:         make(chan struct{}),
+		network:    networkManager,
+		endpoint:   endpointManager,
+		inbound:    inboundManager,
+		outbound:   outboundManager,
+		connection: connectionManager,
+		router:     router,
+		createdAt:  createdAt,
+		logFactory: logFactory,
+		logger:     logFactory.Logger(),
+		services:   services,
+		done:       make(chan struct{}),
 	}, nil
 }
 
@@ -427,11 +353,11 @@ func (s *Box) preStart() error {
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(adapter.StartStateInitialize, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.script, s.mitm, s.outbound, s.inbound, s.endpoint)
+	err = adapter.Start(adapter.StartStateInitialize, s.network, s.connection, s.router, s.outbound, s.inbound, s.endpoint)
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(adapter.StartStateStart, s.outbound, s.dnsTransport, s.dnsRouter, s.network, s.connection, s.router, s.script, s.mitm)
+	err = adapter.Start(adapter.StartStateStart, s.outbound, s.network, s.connection, s.router)
 	if err != nil {
 		return err
 	}
@@ -455,7 +381,7 @@ func (s *Box) start() error {
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(adapter.StartStatePostStart, s.outbound, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.script, s.mitm, s.inbound, s.endpoint)
+	err = adapter.Start(adapter.StartStatePostStart, s.outbound, s.network, s.connection, s.router, s.inbound, s.endpoint)
 	if err != nil {
 		return err
 	}
@@ -463,7 +389,7 @@ func (s *Box) start() error {
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(adapter.StartStateStarted, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.script, s.mitm, s.outbound, s.inbound, s.endpoint)
+	err = adapter.Start(adapter.StartStateStarted, s.network, s.connection, s.router, s.outbound, s.inbound, s.endpoint)
 	if err != nil {
 		return err
 	}
@@ -482,7 +408,7 @@ func (s *Box) Close() error {
 		close(s.done)
 	}
 	err := common.Close(
-		s.inbound, s.outbound, s.endpoint, s.mitm, s.script, s.router, s.connection, s.dnsRouter, s.dnsTransport, s.network,
+		s.inbound, s.outbound, s.endpoint, s.router, s.connection, s.network,
 	)
 	for _, lifecycleService := range s.services {
 		err = E.Append(err, lifecycleService.Close(), func(err error) error {

cmd/internal/build_libbox/main.go

@@ -45,7 +45,6 @@ var (
 	debugFlags  []string
 	sharedTags  []string
 	iosTags     []string
-	memcTags    []string
 	debugTags   []string
 )
 
@@ -59,9 +58,8 @@ func init() {
 	sharedFlags = append(sharedFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -s -w -buildid=")
 	debugFlags = append(debugFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag)
 
-	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_utls", "with_clash_api", "with_script")
+	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_ech", "with_utls", "with_clash_api")
 	iosTags = append(iosTags, "with_dhcp", "with_low_memory", "with_conntrack")
-	memcTags = append(memcTags, "with_tailscale")
 	debugTags = append(debugTags, "debug")
 }
 
@@ -101,19 +99,18 @@ func buildAndroid() {
 		"-javapkg=io.nekohasekai",
 		"-libname=box",
 	}
-
 	if !debugEnabled {
 		args = append(args, sharedFlags...)
 	} else {
 		args = append(args, debugFlags...)
 	}
 
-	tags := append(sharedTags, memcTags...)
-	if debugEnabled {
-		tags = append(tags, debugTags...)
+	args = append(args, "-tags")
+	if !debugEnabled {
+		args = append(args, strings.Join(sharedTags, ","))
+	} else {
+		args = append(args, strings.Join(append(sharedTags, debugTags...), ","))
 	}
-
-	args = append(args, "-tags", strings.Join(tags, ","))
 	args = append(args, "./experimental/libbox")
 
 	command := exec.Command(build_shared.GoBinPath+"/gomobile", args...)
@@ -151,9 +148,7 @@ func buildApple() {
 		"-v",
 		"-target", bindTarget,
 		"-libname=box",
-		"-tags-macos=" + strings.Join(memcTags, ","),
 	}
-
 	if !debugEnabled {
 		args = append(args, sharedFlags...)
 	} else {
@@ -161,11 +156,12 @@ func buildApple() {
 	}
 
 	tags := append(sharedTags, iosTags...)
-	if debugEnabled {
-		tags = append(tags, debugTags...)
+	args = append(args, "-tags")
+	if !debugEnabled {
+		args = append(args, strings.Join(tags, ","))
+	} else {
+		args = append(args, strings.Join(append(tags, debugTags...), ","))
 	}
-
-	args = append(args, "-tags", strings.Join(tags, ","))
 	args = append(args, "./experimental/libbox")
 
 	command := exec.Command(build_shared.GoBinPath+"/gomobile", args...)

cmd/internal/read_tag/main.go

@@ -5,40 +5,49 @@ import (
 	"os"
 
 	"github.com/sagernet/sing-box/cmd/internal/build_shared"
+	"github.com/sagernet/sing-box/common/badversion"
 	"github.com/sagernet/sing-box/log"
 )
 
-var nightly bool
+var (
+	flagRunInCI    bool
+	flagRunNightly bool
+)
 
 func init() {
-	flag.BoolVar(&nightly, "nightly", false, "Print nightly tag")
+	flag.BoolVar(&flagRunInCI, "ci", false, "Run in CI")
+	flag.BoolVar(&flagRunNightly, "nightly", false, "Run nightly")
 }
 
 func main() {
 	flag.Parse()
-	if nightly {
-		version, err := build_shared.ReadTagVersionRev()
+	var (
+		versionStr string
+		err        error
+	)
+	if flagRunNightly {
+		var version badversion.Version
+		version, err = build_shared.ReadTagVersion()
+		if err == nil {
+			versionStr = version.String()
+		}
+	} else {
+		versionStr, err = build_shared.ReadTag()
+	}
+	if flagRunInCI {
 		if err != nil {
 			log.Fatal(err)
 		}
-		var versionStr string
-		if version.PreReleaseIdentifier != "" {
-			versionStr = version.VersionString() + "-nightly"
-		} else {
-			version.Patch++
-			versionStr = version.VersionString() + "-nightly"
-		}
 		err = setGitHubEnv("version", versionStr)
 		if err != nil {
 			log.Fatal(err)
 		}
 	} else {
-		tag, err := build_shared.ReadTag()
 		if err != nil {
 			log.Error(err)
 			os.Stdout.WriteString("unknown\n")
 		} else {
-			os.Stdout.WriteString(tag + "\n")
+			os.Stdout.WriteString(versionStr + "\n")
 		}
 	}
 }

cmd/internal/update_certificates/main.go

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

cmd/sing-box/cmd.go

@@ -69,5 +69,5 @@ func preRun(cmd *cobra.Command, args []string) {
 		configPaths = append(configPaths, "config.json")
 	}
 	globalCtx = service.ContextWith(globalCtx, deprecated.NewStderrManager(log.StdLogger()))
-	globalCtx = box.Context(globalCtx, include.InboundRegistry(), include.OutboundRegistry(), include.EndpointRegistry(), include.DNSTransportRegistry())
+	globalCtx = box.Context(globalCtx, include.InboundRegistry(), include.OutboundRegistry(), include.EndpointRegistry())
 }

cmd/sing-box/cmd_generate_ca.go

@@ -1,121 +0,0 @@
-package main
-
-import (
-	"crypto/rand"
-	"crypto/rsa"
-	"crypto/sha1"
-	"crypto/x509"
-	"crypto/x509/pkix"
-	"encoding/asn1"
-	"encoding/base64"
-	"encoding/hex"
-	"encoding/pem"
-	"math/big"
-	"os"
-	"path/filepath"
-	"strings"
-	"time"
-
-	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing/common/json"
-
-	"github.com/spf13/cobra"
-	"software.sslmate.com/src/go-pkcs12"
-)
-
-var (
-	flagGenerateCAName           string
-	flagGenerateCAPKCS12Password string
-	flagGenerateOutput           string
-)
-
-var commandGenerateCAKeyPair = &cobra.Command{
-	Use:   "ca-keypair",
-	Short: "Generate CA key pair",
-	Args:  cobra.NoArgs,
-	Run: func(cmd *cobra.Command, args []string) {
-		err := generateCAKeyPair()
-		if err != nil {
-			log.Fatal(err)
-		}
-	},
-}
-
-func init() {
-	commandGenerateCAKeyPair.Flags().StringVarP(&flagGenerateCAName, "name", "n", "", "Set custom CA name")
-	commandGenerateCAKeyPair.Flags().StringVarP(&flagGenerateCAPKCS12Password, "p12-password", "p", "", "Set custom PKCS12 password")
-	commandGenerateCAKeyPair.Flags().StringVarP(&flagGenerateOutput, "output", "o", ".", "Set output directory")
-	commandGenerate.AddCommand(commandGenerateCAKeyPair)
-}
-
-func generateCAKeyPair() error {
-	privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
-	if err != nil {
-		return err
-	}
-	serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
-	serialNumber, err := rand.Int(rand.Reader, serialNumberLimit)
-	if err != nil {
-		return err
-	}
-	spkiASN1, err := x509.MarshalPKIXPublicKey(privateKey.Public())
-	var spki struct {
-		Algorithm        pkix.AlgorithmIdentifier
-		SubjectPublicKey asn1.BitString
-	}
-	_, err = asn1.Unmarshal(spkiASN1, &spki)
-	if err != nil {
-		return err
-	}
-	skid := sha1.Sum(spki.SubjectPublicKey.Bytes)
-	var caName string
-	if flagGenerateCAName != "" {
-		caName = flagGenerateCAName
-	} else {
-		caName = "sing-box Generated CA " + strings.ToUpper(hex.EncodeToString(skid[:4]))
-	}
-	caTpl := &x509.Certificate{
-		SerialNumber: serialNumber,
-		Subject: pkix.Name{
-			Organization: []string{caName},
-			CommonName:   caName,
-		},
-		SubjectKeyId:          skid[:],
-		NotAfter:              time.Now().AddDate(10, 0, 0),
-		NotBefore:             time.Now(),
-		KeyUsage:              x509.KeyUsageCertSign,
-		BasicConstraintsValid: true,
-		IsCA:                  true,
-		MaxPathLenZero:        true,
-	}
-	publicDer, err := x509.CreateCertificate(rand.Reader, caTpl, caTpl, privateKey.Public(), privateKey)
-	var caPassword string
-	if flagGenerateCAPKCS12Password != "" {
-		caPassword = flagGenerateCAPKCS12Password
-	} else {
-		caPassword = strings.ToUpper(hex.EncodeToString(skid[:4]))
-	}
-	caTpl.Raw = publicDer
-	p12Bytes, err := pkcs12.Modern.Encode(privateKey, caTpl, nil, caPassword)
-	if err != nil {
-		return err
-	}
-	privateDer, err := x509.MarshalPKCS8PrivateKey(privateKey)
-	if err != nil {
-		return err
-	}
-	os.WriteFile(filepath.Join(flagGenerateOutput, caName+".pem"), pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: publicDer}), 0o644)
-	os.WriteFile(filepath.Join(flagGenerateOutput, caName+".private.pem"), pem.EncodeToMemory(&pem.Block{Type: "PRIVATE KEY", Bytes: privateDer}), 0o644)
-	os.WriteFile(filepath.Join(flagGenerateOutput, caName+".crt"), publicDer, 0o644)
-	os.WriteFile(filepath.Join(flagGenerateOutput, caName+".p12"), p12Bytes, 0o644)
-	var tlsDecryptionOptions option.TLSDecryptionOptions
-	tlsDecryptionOptions.Enabled = true
-	tlsDecryptionOptions.KeyPair = base64.StdEncoding.EncodeToString(p12Bytes)
-	tlsDecryptionOptions.KeyPairPassword = caPassword
-	var certificateOptions option.CertificateOptions
-	certificateOptions.TLSDecryption = &tlsDecryptionOptions
-	encoder := json.NewEncoder(os.Stdout)
-	encoder.SetIndent("", "  ")
-	return encoder.Encode(certificateOptions)
-}

cmd/sing-box/cmd_generate_ech.go

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

cmd/sing-box/cmd_rule_set_match.go

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

cmd/sing-box/cmd_tools.go

@@ -1,6 +1,13 @@
 package main
 
 import (
+	"errors"
+	"os"
+
+	"github.com/sagernet/sing-box"
+	E "github.com/sagernet/sing/common/exceptions"
+	N "github.com/sagernet/sing/common/network"
+
 	"github.com/spf13/cobra"
 )
 
@@ -12,5 +19,36 @@ var commandTools = &cobra.Command{
 }
 
 func init() {
+	commandTools.PersistentFlags().StringVarP(&commandToolsFlagOutbound, "outbound", "o", "", "Use specified tag instead of default outbound")
 	mainCommand.AddCommand(commandTools)
 }
+
+func createPreStartedClient() (*box.Box, error) {
+	options, err := readConfigAndMerge()
+	if err != nil {
+		if !(errors.Is(err, os.ErrNotExist) && len(configDirectories) == 0 && len(configPaths) == 1) || configPaths[0] != "config.json" {
+			return nil, err
+		}
+	}
+	instance, err := box.New(box.Options{Context: globalCtx, Options: options})
+	if err != nil {
+		return nil, E.Cause(err, "create service")
+	}
+	err = instance.PreStart()
+	if err != nil {
+		return nil, E.Cause(err, "start service")
+	}
+	return instance, nil
+}
+
+func createDialer(instance *box.Box, outboundTag string) (N.Dialer, error) {
+	if outboundTag == "" {
+		return instance.Outbound().Default(), nil
+	} else {
+		outbound, loaded := instance.Outbound().Outbound(outboundTag)
+		if !loaded {
+			return nil, E.New("outbound not found: ", outboundTag)
+		}
+		return outbound, nil
+	}
+}

cmd/sing-box/cmd_tools_connect.go

@@ -0,0 +1,73 @@
+package main
+
+import (
+	"context"
+	"os"
+
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/bufio"
+	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+	"github.com/sagernet/sing/common/task"
+
+	"github.com/spf13/cobra"
+)
+
+var commandConnectFlagNetwork string
+
+var commandConnect = &cobra.Command{
+	Use:   "connect <address>",
+	Short: "Connect to an address",
+	Args:  cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		err := connect(args[0])
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func init() {
+	commandConnect.Flags().StringVarP(&commandConnectFlagNetwork, "network", "n", "tcp", "network type")
+	commandTools.AddCommand(commandConnect)
+}
+
+func connect(address string) error {
+	switch N.NetworkName(commandConnectFlagNetwork) {
+	case N.NetworkTCP, N.NetworkUDP:
+	default:
+		return E.Cause(N.ErrUnknownNetwork, commandConnectFlagNetwork)
+	}
+	instance, err := createPreStartedClient()
+	if err != nil {
+		return err
+	}
+	defer instance.Close()
+	dialer, err := createDialer(instance, commandToolsFlagOutbound)
+	if err != nil {
+		return err
+	}
+	conn, err := dialer.DialContext(context.Background(), commandConnectFlagNetwork, M.ParseSocksaddr(address))
+	if err != nil {
+		return E.Cause(err, "connect to server")
+	}
+	var group task.Group
+	group.Append("upload", func(ctx context.Context) error {
+		return common.Error(bufio.Copy(conn, os.Stdin))
+	})
+	group.Append("download", func(ctx context.Context) error {
+		return common.Error(bufio.Copy(os.Stdout, conn))
+	})
+	group.Cleanup(func() {
+		conn.Close()
+	})
+	err = group.Run(context.Background())
+	if E.IsClosed(err) {
+		log.Info(err)
+	} else {
+		log.Error(err)
+	}
+	return nil
+}

cmd/sing-box/cmd_tools_fetch.go

@@ -0,0 +1,115 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"io"
+	"net"
+	"net/http"
+	"net/url"
+	"os"
+
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common/bufio"
+	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
+
+	"github.com/spf13/cobra"
+)
+
+var commandFetch = &cobra.Command{
+	Use:   "fetch",
+	Short: "Fetch an URL",
+	Args:  cobra.MinimumNArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		err := fetch(args)
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func init() {
+	commandTools.AddCommand(commandFetch)
+}
+
+var (
+	httpClient  *http.Client
+	http3Client *http.Client
+)
+
+func fetch(args []string) error {
+	instance, err := createPreStartedClient()
+	if err != nil {
+		return err
+	}
+	defer instance.Close()
+	httpClient = &http.Client{
+		Transport: &http.Transport{
+			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
+				dialer, err := createDialer(instance, commandToolsFlagOutbound)
+				if err != nil {
+					return nil, err
+				}
+				return dialer.DialContext(ctx, network, M.ParseSocksaddr(addr))
+			},
+			ForceAttemptHTTP2: true,
+		},
+	}
+	defer httpClient.CloseIdleConnections()
+	if C.WithQUIC {
+		err = initializeHTTP3Client(instance)
+		if err != nil {
+			return err
+		}
+		defer http3Client.CloseIdleConnections()
+	}
+	for _, urlString := range args {
+		var parsedURL *url.URL
+		parsedURL, err = url.Parse(urlString)
+		if err != nil {
+			return err
+		}
+		switch parsedURL.Scheme {
+		case "":
+			parsedURL.Scheme = "http"
+			fallthrough
+		case "http", "https":
+			err = fetchHTTP(httpClient, parsedURL)
+			if err != nil {
+				return err
+			}
+		case "http3":
+			if !C.WithQUIC {
+				return C.ErrQUICNotIncluded
+			}
+			parsedURL.Scheme = "https"
+			err = fetchHTTP(http3Client, parsedURL)
+			if err != nil {
+				return err
+			}
+		default:
+			return E.New("unsupported scheme: ", parsedURL.Scheme)
+		}
+	}
+	return nil
+}
+
+func fetchHTTP(httpClient *http.Client, parsedURL *url.URL) error {
+	request, err := http.NewRequest("GET", parsedURL.String(), nil)
+	if err != nil {
+		return err
+	}
+	request.Header.Add("User-Agent", "curl/7.88.0")
+	response, err := httpClient.Do(request)
+	if err != nil {
+		return err
+	}
+	defer response.Body.Close()
+	_, err = bufio.Copy(os.Stdout, response.Body)
+	if errors.Is(err, io.EOF) {
+		return nil
+	}
+	return err
+}

cmd/sing-box/cmd_tools_fetch_http3.go

@@ -0,0 +1,36 @@
+//go:build with_quic
+
+package main
+
+import (
+	"context"
+	"crypto/tls"
+	"net/http"
+
+	"github.com/sagernet/quic-go"
+	"github.com/sagernet/quic-go/http3"
+	box "github.com/sagernet/sing-box"
+	"github.com/sagernet/sing/common/bufio"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+)
+
+func initializeHTTP3Client(instance *box.Box) error {
+	dialer, err := createDialer(instance, commandToolsFlagOutbound)
+	if err != nil {
+		return err
+	}
+	http3Client = &http.Client{
+		Transport: &http3.Transport{
+			Dial: func(ctx context.Context, addr string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
+				destination := M.ParseSocksaddr(addr)
+				udpConn, dErr := dialer.DialContext(ctx, N.NetworkUDP, destination)
+				if dErr != nil {
+					return nil, dErr
+				}
+				return quic.DialEarly(ctx, bufio.NewUnbindPacketConn(udpConn), udpConn.RemoteAddr(), tlsCfg, cfg)
+			},
+		},
+	}
+	return nil
+}

cmd/sing-box/cmd_tools_fetch_http3_stub.go

@@ -0,0 +1,18 @@
+//go:build !with_quic
+
+package main
+
+import (
+	"net/url"
+	"os"
+
+	box "github.com/sagernet/sing-box"
+)
+
+func initializeHTTP3Client(instance *box.Box) error {
+	return os.ErrInvalid
+}
+
+func fetchHTTP3(parsedURL *url.URL) error {
+	return os.ErrInvalid
+}

cmd/sing-box/cmd_tools_install_ca.go

@@ -1,108 +0,0 @@
-package main
-
-import (
-	"encoding/pem"
-	"errors"
-	"os"
-	"os/exec"
-	"path/filepath"
-	"runtime"
-	"strings"
-
-	"github.com/sagernet/sing-box/log"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/shell"
-
-	"github.com/spf13/cobra"
-)
-
-var commandInstallCACertificate = &cobra.Command{
-	Use:   "install-ca <path to certificate>",
-	Short: "Install CA certificate to system",
-	Args:  cobra.ExactArgs(1),
-	Run: func(cmd *cobra.Command, args []string) {
-		err := installCACertificate(args[0])
-		if err != nil {
-			log.Fatal(err)
-		}
-	},
-}
-
-func init() {
-	commandTools.AddCommand(commandInstallCACertificate)
-}
-
-func installCACertificate(path string) error {
-	switch runtime.GOOS {
-	case "windows":
-		return shell.Exec("powershell", "-Command", "Import-Certificate -FilePath \""+path+"\" -CertStoreLocation Cert:\\LocalMachine\\Root").Attach().Run()
-	case "darwin":
-		return shell.Exec("sudo", "security", "add-trusted-cert", "-d", "-r", "trustRoot", "-k", "/Library/Keychains/System.keychain", path).Attach().Run()
-	case "linux":
-		updateCertPath, updateCertPathNotFoundErr := exec.LookPath("update-ca-certificates")
-		if updateCertPathNotFoundErr == nil {
-			publicDer, err := os.ReadFile(path)
-			if err != nil {
-				return err
-			}
-			err = os.MkdirAll("/usr/local/share/ca-certificates", 0o755)
-			if err != nil {
-				if errors.Is(err, os.ErrPermission) {
-					log.Info("Try running with sudo")
-					return shell.Exec("sudo", os.Args...).Attach().Run()
-				}
-				return err
-			}
-			fileName := filepath.Base(updateCertPath)
-			if !strings.HasSuffix(fileName, ".crt") {
-				fileName = fileName + ".crt"
-			}
-			filePath, _ := filepath.Abs(filepath.Join("/usr/local/share/ca-certificates", fileName))
-			err = os.WriteFile(filePath, pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: publicDer}), 0o644)
-			if err != nil {
-				if errors.Is(err, os.ErrPermission) {
-					log.Info("Try running with sudo")
-					return shell.Exec("sudo", os.Args...).Attach().Run()
-				}
-				return err
-			}
-			log.Info("certificate written to " + filePath + "\n")
-			err = shell.Exec(updateCertPath).Attach().Run()
-			if err != nil {
-				return err
-			}
-			log.Info("certificate installed")
-			return nil
-		}
-		updateTrustPath, updateTrustPathNotFoundErr := exec.LookPath("update-ca-trust")
-		if updateTrustPathNotFoundErr == nil {
-			publicDer, err := os.ReadFile(path)
-			if err != nil {
-				return err
-			}
-			fileName := filepath.Base(updateTrustPath)
-			fileExt := filepath.Ext(path)
-			if fileExt != "" {
-				fileName = fileName[:len(fileName)-len(fileExt)]
-			}
-			filePath, _ := filepath.Abs(filepath.Join("/etc/pki/ca-trust/source/anchors/", fileName+".pem"))
-			err = os.WriteFile(filePath, pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: publicDer}), 0o644)
-			if err != nil {
-				if errors.Is(err, os.ErrPermission) {
-					log.Info("Try running with sudo")
-					return shell.Exec("sudo", os.Args...).Attach().Run()
-				}
-				return err
-			}
-			log.Info("certificate written to " + filePath + "\n")
-			err = shell.Exec(updateTrustPath, "extract").Attach().Run()
-			if err != nil {
-				return err
-			}
-			log.Info("certificate installed")
-		}
-		return E.New("update-ca-certificates or update-ca-trust not found")
-	default:
-		return E.New("unsupported operating system: ", runtime.GOOS)
-	}
-}

cmd/sing-box/cmd_tools_synctime.go

@@ -8,7 +8,6 @@ import (
 	"github.com/sagernet/sing-box/log"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
-	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/common/ntp"
 
 	"github.com/spf13/cobra"
@@ -40,11 +39,20 @@ func init() {
 }
 
 func syncTime() error {
+	instance, err := createPreStartedClient()
+	if err != nil {
+		return err
+	}
+	dialer, err := createDialer(instance, commandToolsFlagOutbound)
+	if err != nil {
+		return err
+	}
+	defer instance.Close()
 	serverAddress := M.ParseSocksaddr(commandSyncTimeFlagServer)
 	if serverAddress.Port == 0 {
 		serverAddress.Port = 123
 	}
-	response, err := ntp.Exchange(context.Background(), N.SystemDialer, serverAddress)
+	response, err := ntp.Exchange(context.Background(), dialer, serverAddress)
 	if err != nil {
 		return err
 	}

common/badtls/read_wait_ech.go

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

common/certificate/store.go

@@ -1,216 +0,0 @@
-package certificate
-
-import (
-	"context"
-	"crypto/x509"
-	"encoding/base64"
-	"io/fs"
-	"os"
-	"path/filepath"
-	"strings"
-
-	"github.com/sagernet/fswatch"
-	"github.com/sagernet/sing-box/adapter"
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/experimental/libbox/platform"
-	"github.com/sagernet/sing-box/option"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/logger"
-	"github.com/sagernet/sing/service"
-
-	"software.sslmate.com/src/go-pkcs12"
-)
-
-var _ adapter.CertificateStore = (*Store)(nil)
-
-type Store struct {
-	systemPool                *x509.CertPool
-	currentPool               *x509.CertPool
-	certificate               string
-	certificatePaths          []string
-	certificateDirectoryPaths []string
-	watcher                   *fswatch.Watcher
-	tlsDecryptionEnabled      bool
-	tlsDecryptionPrivateKey   any
-	tlsDecryptionCertificate  *x509.Certificate
-}
-
-func NewStore(ctx context.Context, logger logger.Logger, options option.CertificateOptions) (*Store, error) {
-	var systemPool *x509.CertPool
-	switch options.Store {
-	case C.CertificateStoreSystem, "":
-		systemPool = x509.NewCertPool()
-		platformInterface := service.FromContext[platform.Interface](ctx)
-		var systemValid bool
-		if platformInterface != nil {
-			for _, cert := range platformInterface.SystemCertificates() {
-				if systemPool.AppendCertsFromPEM([]byte(cert)) {
-					systemValid = true
-				}
-			}
-		}
-		if !systemValid {
-			certPool, err := x509.SystemCertPool()
-			if err != nil {
-				return nil, err
-			}
-			systemPool = certPool
-		}
-	case C.CertificateStoreMozilla:
-		systemPool = mozillaIncluded
-	case C.CertificateStoreNone:
-		systemPool = nil
-	default:
-		return nil, E.New("unknown certificate store: ", options.Store)
-	}
-	store := &Store{
-		systemPool:                systemPool,
-		certificate:               strings.Join(options.Certificate, "\n"),
-		certificatePaths:          options.CertificatePath,
-		certificateDirectoryPaths: options.CertificateDirectoryPath,
-	}
-	var watchPaths []string
-	for _, target := range options.CertificatePath {
-		watchPaths = append(watchPaths, target)
-	}
-	for _, target := range options.CertificateDirectoryPath {
-		watchPaths = append(watchPaths, target)
-	}
-	if len(watchPaths) > 0 {
-		watcher, err := fswatch.NewWatcher(fswatch.Options{
-			Path:   watchPaths,
-			Logger: logger,
-			Callback: func(_ string) {
-				err := store.update()
-				if err != nil {
-					logger.Error(E.Cause(err, "reload certificates"))
-				}
-			},
-		})
-		if err != nil {
-			return nil, E.Cause(err, "fswatch: create fsnotify watcher")
-		}
-		store.watcher = watcher
-	}
-	err := store.update()
-	if err != nil {
-		return nil, E.Cause(err, "initializing certificate store")
-	}
-	if options.TLSDecryption != nil && options.TLSDecryption.Enabled {
-		pfxBytes, err := base64.StdEncoding.DecodeString(options.TLSDecryption.KeyPair)
-		if err != nil {
-			return nil, E.Cause(err, "decode key pair base64 bytes")
-		}
-		privateKey, certificate, err := pkcs12.Decode(pfxBytes, options.TLSDecryption.KeyPairPassword)
-		if err != nil {
-			return nil, E.Cause(err, "decode key pair")
-		}
-		store.tlsDecryptionEnabled = true
-		store.tlsDecryptionPrivateKey = privateKey
-		store.tlsDecryptionCertificate = certificate
-	}
-	return store, nil
-}
-
-func (s *Store) Name() string {
-	return "certificate"
-}
-
-func (s *Store) Start(stage adapter.StartStage) error {
-	if stage != adapter.StartStateStart {
-		return nil
-	}
-	if s.watcher != nil {
-		return s.watcher.Start()
-	}
-	return nil
-}
-
-func (s *Store) Close() error {
-	if s.watcher != nil {
-		return s.watcher.Close()
-	}
-	return nil
-}
-
-func (s *Store) Pool() *x509.CertPool {
-	return s.currentPool
-}
-
-func (s *Store) update() error {
-	var currentPool *x509.CertPool
-	if s.systemPool == nil {
-		currentPool = x509.NewCertPool()
-	} else {
-		currentPool = s.systemPool.Clone()
-	}
-	if s.certificate != "" {
-		if !currentPool.AppendCertsFromPEM([]byte(s.certificate)) {
-			return E.New("invalid certificate PEM strings")
-		}
-	}
-	for _, path := range s.certificatePaths {
-		pemContent, err := os.ReadFile(path)
-		if err != nil {
-			return err
-		}
-		if !currentPool.AppendCertsFromPEM(pemContent) {
-			return E.New("invalid certificate PEM file: ", path)
-		}
-	}
-	var firstErr error
-	for _, directoryPath := range s.certificateDirectoryPaths {
-		directoryEntries, err := readUniqueDirectoryEntries(directoryPath)
-		if err != nil {
-			if firstErr == nil && !os.IsNotExist(err) {
-				firstErr = E.Cause(err, "invalid certificate directory: ", directoryPath)
-			}
-			continue
-		}
-		for _, directoryEntry := range directoryEntries {
-			pemContent, err := os.ReadFile(filepath.Join(directoryPath, directoryEntry.Name()))
-			if err == nil {
-				currentPool.AppendCertsFromPEM(pemContent)
-			}
-		}
-	}
-	if firstErr != nil {
-		return firstErr
-	}
-	s.currentPool = currentPool
-	return nil
-}
-
-func readUniqueDirectoryEntries(dir string) ([]fs.DirEntry, error) {
-	files, err := os.ReadDir(dir)
-	if err != nil {
-		return nil, err
-	}
-	uniq := files[:0]
-	for _, f := range files {
-		if !isSameDirSymlink(f, dir) {
-			uniq = append(uniq, f)
-		}
-	}
-	return uniq, nil
-}
-
-func isSameDirSymlink(f fs.DirEntry, dir string) bool {
-	if f.Type()&fs.ModeSymlink == 0 {
-		return false
-	}
-	target, err := os.Readlink(filepath.Join(dir, f.Name()))
-	return err == nil && !strings.Contains(target, "/")
-}
-
-func (s *Store) TLSDecryptionEnabled() bool {
-	return s.tlsDecryptionEnabled
-}
-
-func (s *Store) TLSDecryptionCertificate() *x509.Certificate {
-	return s.tlsDecryptionCertificate
-}
-
-func (s *Store) TLSDecryptionPrivateKey() any {
-	return s.tlsDecryptionPrivateKey
-}

common/dialer/default.go

@@ -10,7 +10,6 @@ import (
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/conntrack"
-	"github.com/sagernet/sing-box/common/listener"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/experimental/libbox/platform"
 	"github.com/sagernet/sing-box/option"
@@ -36,7 +35,7 @@ type DefaultDialer struct {
 	udpListener            net.ListenConfig
 	udpAddr4               string
 	udpAddr6               string
-	netns                  string
+	isWireGuardListener    bool
 	networkManager         adapter.NetworkManager
 	networkStrategy        *C.NetworkStrategy
 	defaultNetworkStrategy bool
@@ -184,6 +183,11 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 		}
 		setMultiPathTCP(&dialer4)
 	}
+	if options.IsWireGuardListener {
+		for _, controlFn := range WgControlFns {
+			listener.Control = control.Append(listener.Control, controlFn)
+		}
+	}
 	tcpDialer4, err := newTCPDialer(dialer4, options.TCPFastOpen)
 	if err != nil {
 		return nil, err
@@ -200,7 +204,7 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 		udpListener:            listener,
 		udpAddr4:               udpAddr4,
 		udpAddr6:               udpAddr6,
-		netns:                  options.NetNs,
+		isWireGuardListener:    options.IsWireGuardListener,
 		networkManager:         networkManager,
 		networkStrategy:        networkStrategy,
 		defaultNetworkStrategy: defaultNetworkStrategy,
@@ -213,25 +217,21 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 func (d *DefaultDialer) DialContext(ctx context.Context, network string, address M.Socksaddr) (net.Conn, error) {
 	if !address.IsValid() {
 		return nil, E.New("invalid address")
-	} else if address.IsFqdn() {
-		return nil, E.New("domain not resolved")
 	}
 	if d.networkStrategy == nil {
-		return trackConn(listener.ListenNetworkNamespace[net.Conn](d.netns, func() (net.Conn, error) {
-			switch N.NetworkName(network) {
-			case N.NetworkUDP:
-				if !address.IsIPv6() {
-					return d.udpDialer4.DialContext(ctx, network, address.String())
-				} else {
-					return d.udpDialer6.DialContext(ctx, network, address.String())
-				}
-			}
+		switch N.NetworkName(network) {
+		case N.NetworkUDP:
 			if !address.IsIPv6() {
-				return DialSlowContext(&d.dialer4, ctx, network, address)
+				return trackConn(d.udpDialer4.DialContext(ctx, network, address.String()))
 			} else {
-				return DialSlowContext(&d.dialer6, ctx, network, address)
+				return trackConn(d.udpDialer6.DialContext(ctx, network, address.String()))
 			}
-		}))
+		}
+		if !address.IsIPv6() {
+			return trackConn(DialSlowContext(&d.dialer4, ctx, network, address))
+		} else {
+			return trackConn(DialSlowContext(&d.dialer6, ctx, network, address))
+		}
 	} else {
 		return d.DialParallelInterface(ctx, network, address, d.networkStrategy, d.networkType, d.fallbackNetworkType, d.networkFallbackDelay)
 	}
@@ -287,15 +287,13 @@ func (d *DefaultDialer) DialParallelInterface(ctx context.Context, network strin
 
 func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
 	if d.networkStrategy == nil {
-		return trackPacketConn(listener.ListenNetworkNamespace[net.PacketConn](d.netns, func() (net.PacketConn, error) {
-			if destination.IsIPv6() {
-				return d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr6)
-			} else if destination.IsIPv4() && !destination.Addr.IsUnspecified() {
-				return d.udpListener.ListenPacket(ctx, N.NetworkUDP+"4", d.udpAddr4)
-			} else {
-				return d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr4)
-			}
-		}))
+		if destination.IsIPv6() {
+			return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr6))
+		} else if destination.IsIPv4() && !destination.Addr.IsUnspecified() {
+			return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP+"4", d.udpAddr4))
+		} else {
+			return trackPacketConn(d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr4))
+		}
 	} else {
 		return d.ListenSerialInterfacePacket(ctx, destination, d.networkStrategy, d.networkType, d.fallbackNetworkType, d.networkFallbackDelay)
 	}
@@ -335,7 +333,17 @@ func (d *DefaultDialer) ListenSerialInterfacePacket(ctx context.Context, destina
 }
 
 func (d *DefaultDialer) ListenPacketCompat(network, address string) (net.PacketConn, error) {
-	return d.udpListener.ListenPacket(context.Background(), network, address)
+	udpListener := d.udpListener
+	udpListener.Control = control.Append(udpListener.Control, func(network, address string, conn syscall.RawConn) error {
+		for _, wgControlFn := range WgControlFns {
+			err := wgControlFn(network, address, conn)
+			if err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+	return udpListener.ListenPacket(context.Background(), network, address)
 }
 
 func trackConn(conn net.Conn, err error) (net.Conn, error) {

common/dialer/detour.go

@@ -6,20 +6,14 @@ import (
 	"sync"
 
 	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 )
 
-type DirectDialer interface {
-	IsEmpty() bool
-}
-
 type DetourDialer struct {
 	outboundManager adapter.OutboundManager
 	detour          string
-	directResolver  bool
 	dialer          N.Dialer
 	initOnce        sync.Once
 	initErr         error
@@ -29,32 +23,20 @@ func NewDetour(outboundManager adapter.OutboundManager, detour string) N.Dialer
 	return &DetourDialer{outboundManager: outboundManager, detour: detour}
 }
 
-func InitializeDetour(dialer N.Dialer) error {
-	detourDialer, isDetour := common.Cast[*DetourDialer](dialer)
-	if !isDetour {
-		return nil
-	}
-	return common.Error(detourDialer.Dialer())
+func (d *DetourDialer) Start() error {
+	_, err := d.Dialer()
+	return err
 }
 
 func (d *DetourDialer) Dialer() (N.Dialer, error) {
-	d.initOnce.Do(d.init)
-	return d.dialer, d.initErr
-}
-
-func (d *DetourDialer) init() {
-	dialer, loaded := d.outboundManager.Outbound(d.detour)
-	if !loaded {
-		d.initErr = E.New("outbound detour not found: ", d.detour)
-		return
-	}
-	if directDialer, isDirect := dialer.(DirectDialer); isDirect {
-		if directDialer.IsEmpty() {
-			d.initErr = E.New("detour to an empty direct outbound makes no sense")
-			return
+	d.initOnce.Do(func() {
+		var loaded bool
+		d.dialer, loaded = d.outboundManager.Outbound(d.detour)
+		if !loaded {
+			d.initErr = E.New("outbound detour not found: ", d.detour)
 		}
-	}
-	d.dialer = dialer
+	})
+	return d.dialer, d.initErr
 }
 
 func (d *DetourDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {

common/dialer/dialer.go

@@ -8,121 +8,68 @@ import (
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/experimental/deprecated"
 	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing-dns"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/service"
 )
 
-type Options struct {
-	Context          context.Context
-	Options          option.DialerOptions
-	RemoteIsDomain   bool
-	DirectResolver   bool
-	ResolverOnDetour bool
-	NewDialer        bool
-}
-
-// TODO: merge with NewWithOptions
-func New(ctx context.Context, options option.DialerOptions, remoteIsDomain bool) (N.Dialer, error) {
-	return NewWithOptions(Options{
-		Context:        ctx,
-		Options:        options,
-		RemoteIsDomain: remoteIsDomain,
-	})
-}
-
-func NewWithOptions(options Options) (N.Dialer, error) {
-	dialOptions := options.Options
+func New(ctx context.Context, options option.DialerOptions) (N.Dialer, error) {
+	if options.IsWireGuardListener {
+		return NewDefault(ctx, options)
+	}
 	var (
 		dialer N.Dialer
 		err    error
 	)
-	if dialOptions.Detour != "" {
-		outboundManager := service.FromContext[adapter.OutboundManager](options.Context)
-		if outboundManager == nil {
-			return nil, E.New("missing outbound manager")
-		}
-		dialer = NewDetour(outboundManager, dialOptions.Detour)
-	} else {
-		dialer, err = NewDefault(options.Context, dialOptions)
+	if options.Detour == "" {
+		dialer, err = NewDefault(ctx, options)
 		if err != nil {
 			return nil, err
 		}
+	} else {
+		outboundManager := service.FromContext[adapter.OutboundManager](ctx)
+		if outboundManager == nil {
+			return nil, E.New("missing outbound manager")
+		}
+		dialer = NewDetour(outboundManager, options.Detour)
 	}
-	if options.RemoteIsDomain && (dialOptions.Detour == "" || options.ResolverOnDetour || dialOptions.DomainResolver != nil && dialOptions.DomainResolver.Server != "") {
-		networkManager := service.FromContext[adapter.NetworkManager](options.Context)
-		dnsTransport := service.FromContext[adapter.DNSTransportManager](options.Context)
-		var defaultOptions adapter.NetworkOptions
-		if networkManager != nil {
-			defaultOptions = networkManager.DefaultOptions()
+	if options.Detour == "" {
+		router := service.FromContext[adapter.Router](ctx)
+		if router != nil {
+			dialer = NewResolveDialer(
+				router,
+				dialer,
+				options.Detour == "" && !options.TCPFastOpen,
+				dns.DomainStrategy(options.DomainStrategy),
+				time.Duration(options.FallbackDelay))
 		}
-		var (
-			server               string
-			dnsQueryOptions      adapter.DNSQueryOptions
-			resolveFallbackDelay time.Duration
-		)
-		if dialOptions.DomainResolver != nil && dialOptions.DomainResolver.Server != "" {
-			var transport adapter.DNSTransport
-			if !options.DirectResolver {
-				var loaded bool
-				transport, loaded = dnsTransport.Transport(dialOptions.DomainResolver.Server)
-				if !loaded {
-					return nil, E.New("domain resolver not found: " + dialOptions.DomainResolver.Server)
-				}
-			}
-			var strategy C.DomainStrategy
-			if dialOptions.DomainResolver.Strategy != option.DomainStrategy(C.DomainStrategyAsIS) {
-				strategy = C.DomainStrategy(dialOptions.DomainResolver.Strategy)
-			} else if
-			//nolint:staticcheck
-			dialOptions.DomainStrategy != option.DomainStrategy(C.DomainStrategyAsIS) {
-				//nolint:staticcheck
-				strategy = C.DomainStrategy(dialOptions.DomainStrategy)
-			}
-			server = dialOptions.DomainResolver.Server
-			dnsQueryOptions = adapter.DNSQueryOptions{
-				Transport:    transport,
-				Strategy:     strategy,
-				DisableCache: dialOptions.DomainResolver.DisableCache,
-				RewriteTTL:   dialOptions.DomainResolver.RewriteTTL,
-				ClientSubnet: dialOptions.DomainResolver.ClientSubnet.Build(netip.Prefix{}),
-			}
-			resolveFallbackDelay = time.Duration(dialOptions.FallbackDelay)
-		} else if options.DirectResolver {
-			return nil, E.New("missing domain resolver for domain server address")
-		} else if defaultOptions.DomainResolver != "" {
-			dnsQueryOptions = defaultOptions.DomainResolveOptions
-			transport, loaded := dnsTransport.Transport(defaultOptions.DomainResolver)
-			if !loaded {
-				return nil, E.New("default domain resolver not found: " + defaultOptions.DomainResolver)
-			}
-			dnsQueryOptions.Transport = transport
-			resolveFallbackDelay = time.Duration(dialOptions.FallbackDelay)
-		} else if options.NewDialer {
-			return nil, E.New("missing domain resolver for domain server address")
-		} else {
-			transports := dnsTransport.Transports()
-			if len(transports) < 2 {
-				dnsQueryOptions.Transport = dnsTransport.Default()
-			} else {
-				deprecated.Report(options.Context, deprecated.OptionMissingDomainResolver)
-			}
-		}
-		dialer = NewResolveDialer(
-			options.Context,
-			dialer,
-			dialOptions.Detour == "" && !dialOptions.TCPFastOpen,
-			server,
-			dnsQueryOptions,
-			resolveFallbackDelay,
-		)
 	}
 	return dialer, nil
 }
 
+func NewDirect(ctx context.Context, options option.DialerOptions) (ParallelInterfaceDialer, error) {
+	if options.Detour != "" {
+		return nil, E.New("`detour` is not supported in direct context")
+	}
+	if options.IsWireGuardListener {
+		return NewDefault(ctx, options)
+	}
+	dialer, err := NewDefault(ctx, options)
+	if err != nil {
+		return nil, err
+	}
+	return NewResolveParallelInterfaceDialer(
+		service.FromContext[adapter.Router](ctx),
+		dialer,
+		true,
+		dns.DomainStrategy(options.DomainStrategy),
+		time.Duration(options.FallbackDelay),
+	), nil
+}
+
 type ParallelInterfaceDialer interface {
 	N.Dialer
 	DialParallelInterface(ctx context.Context, network string, destination M.Socksaddr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.Conn, error)

common/dialer/resolve.go

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

common/dialer/router.go

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

common/humanize/bytes.go

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

common/listener/listener.go

@@ -4,8 +4,6 @@ import (
 	"context"
 	"net"
 	"net/netip"
-	"runtime"
-	"strings"
 	"sync/atomic"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -16,8 +14,6 @@ import (
 	"github.com/sagernet/sing/common/logger"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
-
-	"github.com/vishvananda/netns"
 )
 
 type Listener struct {
@@ -139,30 +135,3 @@ func (l *Listener) UDPConn() *net.UDPConn {
 func (l *Listener) ListenOptions() option.ListenOptions {
 	return l.listenOptions
 }
-
-func ListenNetworkNamespace[T any](nameOrPath string, block func() (T, error)) (T, error) {
-	if nameOrPath != "" {
-		runtime.LockOSThread()
-		defer runtime.UnlockOSThread()
-		currentNs, err := netns.Get()
-		if err != nil {
-			return common.DefaultValue[T](), E.Cause(err, "get current netns")
-		}
-		defer netns.Set(currentNs)
-		var targetNs netns.NsHandle
-		if strings.HasPrefix(nameOrPath, "/") {
-			targetNs, err = netns.GetFromPath(nameOrPath)
-		} else {
-			targetNs, err = netns.GetFromName(nameOrPath)
-		}
-		if err != nil {
-			return common.DefaultValue[T](), E.Cause(err, "get netns ", nameOrPath)
-		}
-		defer targetNs.Close()
-		err = netns.Set(targetNs)
-		if err != nil {
-			return common.DefaultValue[T](), E.Cause(err, "set netns to ", nameOrPath)
-		}
-	}
-	return block()
-}

common/listener/listener_tcp.go

@@ -16,12 +16,9 @@ import (
 )
 
 func (l *Listener) ListenTCP() (net.Listener, error) {
-	//nolint:staticcheck
-	if l.listenOptions.ProxyProtocol || l.listenOptions.ProxyProtocolAcceptNoHeader {
-		return nil, E.New("Proxy Protocol is deprecated and removed in sing-box 1.6.0")
-	}
 	var err error
 	bindAddr := M.SocksaddrFrom(l.listenOptions.Listen.Build(netip.AddrFrom4([4]byte{127, 0, 0, 1})), l.listenOptions.ListenPort)
+	var tcpListener net.Listener
 	var listenConfig net.ListenConfig
 	if l.listenOptions.TCPKeepAlive >= 0 {
 		keepIdle := time.Duration(l.listenOptions.TCPKeepAlive)
@@ -40,19 +37,20 @@ func (l *Listener) ListenTCP() (net.Listener, error) {
 		}
 		setMultiPathTCP(&listenConfig)
 	}
-	tcpListener, err := ListenNetworkNamespace[net.Listener](l.listenOptions.NetNs, func() (net.Listener, error) {
-		if l.listenOptions.TCPFastOpen {
-			var tfoConfig tfo.ListenConfig
-			tfoConfig.ListenConfig = listenConfig
-			return tfoConfig.Listen(l.ctx, M.NetworkFromNetAddr(N.NetworkTCP, bindAddr.Addr), bindAddr.String())
-		} else {
-			return listenConfig.Listen(l.ctx, M.NetworkFromNetAddr(N.NetworkTCP, bindAddr.Addr), bindAddr.String())
-		}
-	})
-	if err != nil {
-		return nil, err
+	if l.listenOptions.TCPFastOpen {
+		var tfoConfig tfo.ListenConfig
+		tfoConfig.ListenConfig = listenConfig
+		tcpListener, err = tfoConfig.Listen(l.ctx, M.NetworkFromNetAddr(N.NetworkTCP, bindAddr.Addr), bindAddr.String())
+	} else {
+		tcpListener, err = listenConfig.Listen(l.ctx, M.NetworkFromNetAddr(N.NetworkTCP, bindAddr.Addr), bindAddr.String())
+	}
+	if err == nil {
+		l.logger.Info("tcp server started at ", tcpListener.Addr())
+	}
+	//nolint:staticcheck
+	if l.listenOptions.ProxyProtocol || l.listenOptions.ProxyProtocolAcceptNoHeader {
+		return nil, E.New("Proxy Protocol is deprecated and removed in sing-box 1.6.0")
 	}
-	l.logger.Info("tcp server started at ", tcpListener.Addr())
 	l.tcpListener = tcpListener
 	return tcpListener, err
 }

common/listener/listener_udp.go

@@ -1,7 +1,6 @@
 package listener
 
 import (
-	"context"
 	"net"
 	"net/netip"
 	"os"
@@ -25,9 +24,7 @@ func (l *Listener) ListenUDP() (net.PacketConn, error) {
 	if !udpFragment {
 		lc.Control = control.Append(lc.Control, control.DisableUDPFragment())
 	}
-	udpConn, err := ListenNetworkNamespace[net.PacketConn](l.listenOptions.NetNs, func() (net.PacketConn, error) {
-		return lc.ListenPacket(l.ctx, M.NetworkFromNetAddr(N.NetworkUDP, bindAddr.Addr), bindAddr.String())
-	})
+	udpConn, err := lc.ListenPacket(l.ctx, M.NetworkFromNetAddr(N.NetworkUDP, bindAddr.Addr), bindAddr.String())
 	if err != nil {
 		return nil, err
 	}
@@ -37,13 +34,6 @@ func (l *Listener) ListenUDP() (net.PacketConn, error) {
 	return udpConn, err
 }
 
-func (l *Listener) ListenPacket(ctx context.Context, network string, address string) (net.PacketConn, error) {
-	return ListenNetworkNamespace[net.PacketConn](l.listenOptions.NetNs, func() (net.PacketConn, error) {
-		var listenConfig net.ListenConfig
-		return listenConfig.ListenPacket(ctx, network, address)
-	})
-}
-
 func (l *Listener) UDPAddr() M.Socksaddr {
 	return l.udpAddr
 }

common/process/searcher.go

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

common/process/searcher_windows.go

@@ -2,11 +2,14 @@ package process
 
 import (
 	"context"
+	"fmt"
 	"net/netip"
+	"os"
 	"syscall"
+	"unsafe"
 
 	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/winiphlpapi"
+	N "github.com/sagernet/sing/common/network"
 
 	"golang.org/x/sys/windows"
 )
@@ -23,39 +26,201 @@ func NewSearcher(_ Config) (Searcher, error) {
 	return &windowsSearcher{}, nil
 }
 
+var (
+	modiphlpapi                    = windows.NewLazySystemDLL("iphlpapi.dll")
+	procGetExtendedTcpTable        = modiphlpapi.NewProc("GetExtendedTcpTable")
+	procGetExtendedUdpTable        = modiphlpapi.NewProc("GetExtendedUdpTable")
+	modkernel32                    = windows.NewLazySystemDLL("kernel32.dll")
+	procQueryFullProcessImageNameW = modkernel32.NewProc("QueryFullProcessImageNameW")
+)
+
 func initWin32API() error {
-	return winiphlpapi.LoadExtendedTable()
+	err := modiphlpapi.Load()
+	if err != nil {
+		return E.Cause(err, "load iphlpapi.dll")
+	}
+
+	err = procGetExtendedTcpTable.Find()
+	if err != nil {
+		return E.Cause(err, "load iphlpapi::GetExtendedTcpTable")
+	}
+
+	err = procGetExtendedUdpTable.Find()
+	if err != nil {
+		return E.Cause(err, "load iphlpapi::GetExtendedUdpTable")
+	}
+
+	err = modkernel32.Load()
+	if err != nil {
+		return E.Cause(err, "load kernel32.dll")
+	}
+
+	err = procQueryFullProcessImageNameW.Find()
+	if err != nil {
+		return E.Cause(err, "load kernel32::QueryFullProcessImageNameW")
+	}
+
+	return nil
 }
 
 func (s *windowsSearcher) FindProcessInfo(ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*Info, error) {
-	pid, err := winiphlpapi.FindPid(network, source)
+	processName, err := findProcessName(network, source.Addr(), int(source.Port()))
 	if err != nil {
 		return nil, err
 	}
-	path, err := getProcessPath(pid)
-	if err != nil {
-		return &Info{ProcessID: pid, UserId: -1}, err
-	}
-	return &Info{ProcessID: pid, ProcessPath: path, UserId: -1}, nil
+	return &Info{ProcessPath: processName, UserId: -1}, nil
 }
 
-func getProcessPath(pid uint32) (string, error) {
+func findProcessName(network string, ip netip.Addr, srcPort int) (string, error) {
+	family := windows.AF_INET
+	if ip.Is6() {
+		family = windows.AF_INET6
+	}
+
+	const (
+		tcpTablePidConn = 4
+		udpTablePid     = 1
+	)
+
+	var class int
+	var fn uintptr
+	switch network {
+	case N.NetworkTCP:
+		fn = procGetExtendedTcpTable.Addr()
+		class = tcpTablePidConn
+	case N.NetworkUDP:
+		fn = procGetExtendedUdpTable.Addr()
+		class = udpTablePid
+	default:
+		return "", os.ErrInvalid
+	}
+
+	buf, err := getTransportTable(fn, family, class)
+	if err != nil {
+		return "", err
+	}
+
+	s := newSearcher(family == windows.AF_INET, network == N.NetworkTCP)
+
+	pid, err := s.Search(buf, ip, uint16(srcPort))
+	if err != nil {
+		return "", err
+	}
+	return getExecPathFromPID(pid)
+}
+
+type searcher struct {
+	itemSize int
+	port     int
+	ip       int
+	ipSize   int
+	pid      int
+	tcpState int
+}
+
+func (s *searcher) Search(b []byte, ip netip.Addr, port uint16) (uint32, error) {
+	n := int(readNativeUint32(b[:4]))
+	itemSize := s.itemSize
+	for i := 0; i < n; i++ {
+		row := b[4+itemSize*i : 4+itemSize*(i+1)]
+
+		// according to MSDN, only the lower 16 bits of dwLocalPort are used and the port number is in network endian.
+		// this field can be illustrated as follows depends on different machine endianess:
+		//     little endian: [ MSB LSB  0   0  ]   interpret as native uint32 is ((LSB<<8)|MSB)
+		//       big  endian: [  0   0  MSB LSB ]   interpret as native uint32 is ((MSB<<8)|LSB)
+		// so we need an syscall.Ntohs on the lower 16 bits after read the port as native uint32
+		srcPort := syscall.Ntohs(uint16(readNativeUint32(row[s.port : s.port+4])))
+		if srcPort != port {
+			continue
+		}
+
+		srcIP, _ := netip.AddrFromSlice(row[s.ip : s.ip+s.ipSize])
+		// windows binds an unbound udp socket to 0.0.0.0/[::] while first sendto
+		if ip != srcIP && (!srcIP.IsUnspecified()) {
+			continue
+		}
+
+		pid := readNativeUint32(row[s.pid : s.pid+4])
+		return pid, nil
+	}
+	return 0, ErrNotFound
+}
+
+func newSearcher(isV4, isTCP bool) *searcher {
+	var itemSize, port, ip, ipSize, pid int
+	tcpState := -1
+	switch {
+	case isV4 && isTCP:
+		// struct MIB_TCPROW_OWNER_PID
+		itemSize, port, ip, ipSize, pid, tcpState = 24, 8, 4, 4, 20, 0
+	case isV4 && !isTCP:
+		// struct MIB_UDPROW_OWNER_PID
+		itemSize, port, ip, ipSize, pid = 12, 4, 0, 4, 8
+	case !isV4 && isTCP:
+		// struct MIB_TCP6ROW_OWNER_PID
+		itemSize, port, ip, ipSize, pid, tcpState = 56, 20, 0, 16, 52, 48
+	case !isV4 && !isTCP:
+		// struct MIB_UDP6ROW_OWNER_PID
+		itemSize, port, ip, ipSize, pid = 28, 20, 0, 16, 24
+	}
+
+	return &searcher{
+		itemSize: itemSize,
+		port:     port,
+		ip:       ip,
+		ipSize:   ipSize,
+		pid:      pid,
+		tcpState: tcpState,
+	}
+}
+
+func getTransportTable(fn uintptr, family int, class int) ([]byte, error) {
+	for size, buf := uint32(8), make([]byte, 8); ; {
+		ptr := unsafe.Pointer(&buf[0])
+		err, _, _ := syscall.SyscallN(fn, uintptr(ptr), uintptr(unsafe.Pointer(&size)), 0, uintptr(family), uintptr(class), 0)
+
+		switch err {
+		case 0:
+			return buf, nil
+		case uintptr(syscall.ERROR_INSUFFICIENT_BUFFER):
+			buf = make([]byte, size)
+		default:
+			return nil, fmt.Errorf("syscall error: %d", err)
+		}
+	}
+}
+
+func readNativeUint32(b []byte) uint32 {
+	return *(*uint32)(unsafe.Pointer(&b[0]))
+}
+
+func getExecPathFromPID(pid uint32) (string, error) {
+	// kernel process starts with a colon in order to distinguish with normal processes
 	switch pid {
 	case 0:
+		// reserved pid for system idle process
 		return ":System Idle Process", nil
 	case 4:
+		// reserved pid for windows kernel image
 		return ":System", nil
 	}
-	handle, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, pid)
+	h, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, pid)
 	if err != nil {
 		return "", err
 	}
-	defer windows.CloseHandle(handle)
-	size := uint32(syscall.MAX_LONG_PATH)
+	defer windows.CloseHandle(h)
+
 	buf := make([]uint16, syscall.MAX_LONG_PATH)
-	err = windows.QueryFullProcessImageName(handle, 0, &buf[0], &size)
-	if err != nil {
+	size := uint32(len(buf))
+	r1, _, err := syscall.SyscallN(
+		procQueryFullProcessImageNameW.Addr(),
+		uintptr(h),
+		uintptr(0),
+		uintptr(unsafe.Pointer(&buf[0])),
+		uintptr(unsafe.Pointer(&size)),
+	)
+	if r1 == 0 {
 		return "", err
 	}
-	return windows.UTF16ToString(buf[:size]), nil
+	return syscall.UTF16ToString(buf[:size]), nil
 }

common/sniff/bittorrent.go

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

common/sniff/bittorrent_test.go

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

common/sniff/dns.go

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

common/sniff/dns_test.go

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

common/sniff/http.go

@@ -3,10 +3,12 @@ package sniff
 import (
 	std_bufio "bufio"
 	"context"
+	"errors"
 	"io"
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
+	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	"github.com/sagernet/sing/protocol/http"
 )
@@ -14,10 +16,13 @@ import (
 func HTTPHost(_ context.Context, metadata *adapter.InboundContext, reader io.Reader) error {
 	request, err := http.ReadRequest(std_bufio.NewReader(reader))
 	if err != nil {
-		return err
+		if errors.Is(err, io.ErrUnexpectedEOF) {
+			return E.Cause1(ErrNeedMoreData, err)
+		} else {
+			return err
+		}
 	}
 	metadata.Protocol = C.ProtocolHTTP
 	metadata.Domain = M.ParseSocksaddr(request.Host).AddrString()
-	metadata.HTTPRequest = request
 	return nil
 }

common/sniff/ntp.go

@@ -1,58 +0,0 @@
-package sniff
-
-import (
-	"context"
-	"encoding/binary"
-	"os"
-
-	"github.com/sagernet/sing-box/adapter"
-	C "github.com/sagernet/sing-box/constant"
-)
-
-func NTP(ctx context.Context, metadata *adapter.InboundContext, packet []byte) error {
-	// NTP packets must be at least 48 bytes long (standard NTP header size).
-	pLen := len(packet)
-	if pLen < 48 {
-		return os.ErrInvalid
-	}
-	// Check the LI (Leap Indicator) and Version Number (VN) in the first byte.
-	// We'll primarily focus on ensuring the version is valid for NTP.
-	// Many NTP versions are used, but let's check for generally accepted ones (3 & 4 for IPv4, plus potential extensions/customizations)
-	firstByte := packet[0]
-	li := (firstByte >> 6) & 0x03 // Extract LI
-	vn := (firstByte >> 3) & 0x07 // Extract VN
-	mode := firstByte & 0x07      // Extract Mode
-
-	// Leap Indicator should be a valid value (0-3).
-	if li > 3 {
-		return os.ErrInvalid
-	}
-
-	// Version Check (common NTP versions are 3 and 4)
-	if vn != 3 && vn != 4 {
-		return os.ErrInvalid
-	}
-
-	// Check the Mode field for a client request (Mode 3).  This validates it *is* a request.
-	if mode != 3 {
-		return os.ErrInvalid
-	}
-
-	// Check Root Delay and Root Dispersion. While not strictly *required* for a request,
-	// we can check if they appear to be reasonable values (not excessively large).
-	rootDelay := binary.BigEndian.Uint32(packet[4:8])
-	rootDispersion := binary.BigEndian.Uint32(packet[8:12])
-
-	// Check for unreasonably large root delay and dispersion.  NTP RFC specifies max values of approximately 16 seconds.
-	// Convert to milliseconds for easy comparison.  Each unit is 1/2^16 seconds.
-	if float64(rootDelay)/65536.0 > 16.0 {
-		return os.ErrInvalid
-	}
-	if float64(rootDispersion)/65536.0 > 16.0 {
-		return os.ErrInvalid
-	}
-
-	metadata.Protocol = C.ProtocolNTP
-
-	return nil
-}

common/sniff/ntp_test.go

@@ -1,33 +0,0 @@
-package sniff_test
-
-import (
-	"context"
-	"encoding/hex"
-	"os"
-	"testing"
-
-	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/common/sniff"
-	C "github.com/sagernet/sing-box/constant"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestSniffNTP(t *testing.T) {
-	t.Parallel()
-	packet, err := hex.DecodeString("1b0006000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")
-	require.NoError(t, err)
-	var metadata adapter.InboundContext
-	err = sniff.NTP(context.Background(), &metadata, packet)
-	require.NoError(t, err)
-	require.Equal(t, metadata.Protocol, C.ProtocolNTP)
-}
-
-func TestSniffNTPFailed(t *testing.T) {
-	t.Parallel()
-	packet, err := hex.DecodeString("400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")
-	require.NoError(t, err)
-	var metadata adapter.InboundContext
-	err = sniff.NTP(context.Background(), &metadata, packet)
-	require.ErrorIs(t, err, os.ErrInvalid)
-}

common/sniff/quic.go

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

common/sniff/quic_test.go

@@ -20,11 +20,11 @@ func TestSniffQUICChromeNew(t *testing.T) {
 	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
 	require.Equal(t, metadata.Protocol, C.ProtocolQUIC)
 	require.Equal(t, metadata.Client, C.ClientChromium)
-	require.ErrorIs(t, err, sniff.ErrClientHelloFragmented)
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
 	pkt, err = hex.DecodeString("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")
 	require.NoError(t, err)
 	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
-	require.ErrorIs(t, err, sniff.ErrClientHelloFragmented)
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
 	pkt, err = hex.DecodeString("c20000000108e241a0c601413b4f004046006d8f15dae9999edf39d58df6762822b9a2ab996d7f6a10044338af3b51b1814bc4ac0fa5a87c34c6ae604af8cabc5957c5240174deefc8e378719ffdab2ae4e15bf4514bea4489e2ff30c43a5f63beb2e4501ce7754085bcbe838003a0b4bccb53863c0766df7eac073c2bdc170772b157997945acdc2ab2e84750cc9aa0ffa0fdc023da7fc565a14f87f7c563dbc9183dd226aab79957d263f66e64b85a1b15a24516bd2c7c04eea4fa0a34ef9849c21585db2e4adb7c05e265c4f38d8ffe4cbed0f3b0e68f3693bf1f726c3fb135b8e32a5d22931d7c55fc2ff4b9a354933ab14544df3cdaf3e3217dfb8d7feb3465dc34df6320ea486f12e5b2d609aaa5f4515c20c86fc440f8087be0ee3d339835746ae2573c2afdee6bb6ef7e9eb541feae9209391b2902cfb0bdaccd9da8d290714638b7da588d4a656ca6eabba78b7363922d6037cf060b161a42019d4feb4156459103cffdeefd0e63114af2b0e0c39e70ebc7fecb8dd1ebb8d60b2137f509bb7dcef5f1d3e06ab1d391466652d57440a410fb4f58a6ce1fb62feb453241f64e110709f59a3d9ebdac94f811337d0e4a80fd6b56b2a70cd6eebbf98e1661291da6bf5beb8b8afc376dfd20eb76afe709e8e8f28e0ef82105954e346546ad25973df43f4acddbec0ffd9b215f62abebebf71305b5ea993560316f69430bf5afe50420340622f802b5830f3bcebffff04980c75a59d28902879e5d51a4fb21062a4ae13c42297075b21d54ee04303879c1157e7470c1451673c98a2f3921f2f3e8f6acfe85b01caaca66b59e5ebffbfe68e5e9ab17e9a1b857eb409df91cb76767fc1814fd3c522a9b117edd0b02526e469cb4afb291a4dcc74c79b47ec6e7ce558c597129366f83ec306b11d2598c705fd4ee9ee99df6b7039bef13b08fc6f26853ad213829d24f895747d45a47414f931c583fb6c3e4f6c27d0c2b81a5f3cee390ec6314e1fec637e8d28b675e97caafdfbf8c25d34a635083a7553d219dd80dbb39087d74c6ad6192ca6f48a3ff8d47db41b2a492c63fcd780012780931dae0a325f9dcbd772d09a700f132c4bc1d9809b25b9751b694eb72a8ba4db7208d2b1bab63e1845208e4f841ea30218a559db98751589716b6d059ca673378f5fe7c7d8a1c82e14a561c47313bbcc278412ba86ffb2b87ec308eab9df696f5b4b54f8e361731bf232820a02a35fda7e5d4bf01b8f005ad299a055116e7b23c181f15a66442cf6032ca477bccc55b79d424eb4f245847bd81a581dc369dd20b1a4892733bde3c38e492c0039f69f2b947a4dc251a49ee7ccc0f36b3b75a555fa1d126db75f94dab60f52f6b15a877a0c380b59f82d35c570bc5f8051e9ef87db51f52383d47b50829b7f9e947ccc67aa280566aa48b4a85c1c7eca6f542789d8abcc050f1aa3cc221b6859656a21454aa21c7bfb9d12115f61c3ed46263ade68a8d3679fa62a659a5da7817406bd16618fccf33ed208ada1b03584e8b485d3cb6ed80a0774e60b6cd55aff64169ea998cf8235997049515abac58e0169ca07fb1c8c4c8b2803ba9d27b44c045d0a1cac86e5e188195c68001f53eb44851b6d821fc01ccbb41e27f38e6ddd66540c2d62ed6e0d551e22c0f26b60078c74a6302a1ed3d9e8fc0861257a63f6ac4e759fd54bff088becd28e30944a6c15db4fc8ae6244346869add946d9d92c430d737e042fa18b28a8ed64d1e8987ad9061cdc1335f")
 	require.NoError(t, err)
 	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
@@ -40,7 +40,7 @@ func TestSniffQUICChromium(t *testing.T) {
 	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
 	require.Equal(t, metadata.Protocol, C.ProtocolQUIC)
 	require.Equal(t, metadata.Client, C.ClientChromium)
-	require.ErrorIs(t, err, sniff.ErrClientHelloFragmented)
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
 	pkt, err = hex.DecodeString("c90000000108f40d654cc09b27f5000044d073eb38807026d4088455e650e7ccf750d01a72f15f9bfc8ff40d223499db1a485cff14dbd45b9be118172834dc35dca3cf62f61a1266f40b92faf3d28d67a466cfdca678ddced15cd606d31959cf441828467857b226d1a241847c82c57312cefe68ba5042d929919bcd4403b39e5699fe87dda05df1b3801e048edee792458e9b1a9b1d4039df05847bcee3be567494b5876e3bd4c3220fe9dfdb2c07d77410f907f744251ef15536cc03b267d3668d5b75bc1ad2fe735cd3bb73519dd9f1625a49e17ad27bdeccf706c83b5ea339a0a05dd0072f4a8f162bd29926b4997f05613c6e4b0270b0c02805ca0543f27c1ff8505a5750bdd33529ee73c491050a10c6903f53c1121dbe0380e84c007c8df74a1b02443ed80ba7766aef5549e618d4fd249844ee28565142005369869299e8c3035ecef3d799f6cada8549e75b4ce4cbf4c85ef071fd7ff067b1ca9b5968dc41d13d011f6d7843823bac97acb1eb8ee45883f0f254b5f9bd4c763b67e2d8c70a7618a0ef0de304cf597a485126e09f8b2fd795b394c0b4bc4cd2634c2057970da2c798c5e8af7aed4f76f5e25d04e3f8c9c5a5b150d17e0d4c74229898c69b8dc7b8bcc9d359eb441de75c68fbdebec62fb669dcccfb1aad03e3fa073adb2ccf7bb14cbaf99e307d2c903ee71a8f028102eb510caee7e7397512086a78d1f95635c7d06845b5a708652dc4e5cd61245aae5b3c05b84815d84d367bce9b9e3f6d6b90701ac3679233c14d5ce2a1eff26469c966266dc6284bdb95c9c6158934c413a872ce22101e4163e3293d236b301592ca4ccacc1fd4c37066e79c2d9857c8a2560dcf0b33b19163c4240c471b19907476e7e25c65f7eb37276594a0f6b4c33c340cc3284178f17ac5e34dbe7509db890e4ddfd0540fbf9deb32a0101d24fe58b26c5f81c627db9d6ae59d7a111a3d5d1f6109f4eec0d0234e6d73c73a44f50999462724b51ce0fd8283535d70d9e83872c79c59897407a0736741011ae5c64862eb0712f9e7b07aa1d5418ca3fde8626257c6fe418f3c5479055bb2b0ab4c25f649923fc2a41c79aaa7d0f3af6d8b8cf06f61f0230d09bbb60bb49b9e49cc5973748a6cf7ffdee7804d424f9423c63e7ff22f4bd24e4867636ef9fe8dd37f59941a8a47c27765caa8e875a30b62834f17c569227e5e6ed15d58e05d36e76332befad065a2cd4079e66d5af189b0337624c89b1560c3b1b0befd5c1f20e6de8e3d664b3ac06b3d154b488983e14aa93266f5f8b621d2a9bb7ccce509eb26e025c9c45f7cccc09ce85b3103af0c93ce9822f82ecb168ca3177829afb2ea0da2c380e7b1728add55a5d42632e2290363d4cbe432b67e13691648e1acfab22cf0d551eee857709b428bb78e27a45aff6eca301c02e4d13cf36cc2494fdd1aef8dede6e18febd79dca4c6964d09b91c25a08f0947c76ab5104de9404459c2edf5f4adb9dfd771be83656f77fbbafb1ad3281717066010be8778952495383c9f2cf0a38527228c662a35171c5981731f1af09bab842fe6c3162ad4152a4221f560eb6f9bea66b294ffbd3643da2fe34096da13c246505452540177a2a0a1a69106e5cfc279a4890fc3be2952f26be245f930e6c2d9e7e26ee960481e72b99594a1185b46b94b6436d00ba6c70ffe135d43907c92c6f1c09fb9453f103730714f5700fa4347f9715c774cb04a7218dacc66d9c2fade18b14e684aa7fc9ebda0a28")
 	require.NoError(t, err)
 	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)

common/sniff/rdp.go

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

common/sniff/sniff.go

@@ -3,6 +3,7 @@ package sniff
 import (
 	"bytes"
 	"context"
+	"errors"
 	"io"
 	"net"
 	"time"
@@ -19,6 +20,8 @@ type (
 	PacketSniffer = func(ctx context.Context, metadata *adapter.InboundContext, packet []byte) error
 )
 
+var ErrNeedMoreData = E.New("need more data")
+
 func Skip(metadata *adapter.InboundContext) bool {
 	// skip server first protocols
 	switch metadata.Destination.Port {
@@ -40,7 +43,7 @@ func PeekStream(ctx context.Context, metadata *adapter.InboundContext, conn net.
 		timeout = C.ReadPayloadTimeout
 	}
 	deadline := time.Now().Add(timeout)
-	var errors []error
+	var sniffError error
 	for i := 0; ; i++ {
 		err := conn.SetReadDeadline(deadline)
 		if err != nil {
@@ -54,7 +57,7 @@ func PeekStream(ctx context.Context, metadata *adapter.InboundContext, conn net.
 			}
 			return E.Cause(err, "read payload")
 		}
-		errors = nil
+		sniffError = nil
 		for _, sniffer := range sniffers {
 			reader := io.MultiReader(common.Map(append(buffers, buffer), func(it *buf.Buffer) io.Reader {
 				return bytes.NewReader(it.Bytes())
@@ -63,20 +66,23 @@ func PeekStream(ctx context.Context, metadata *adapter.InboundContext, conn net.
 			if err == nil {
 				return nil
 			}
-			errors = append(errors, err)
+			sniffError = E.Errors(sniffError, err)
+		}
+		if !errors.Is(sniffError, ErrNeedMoreData) {
+			break
 		}
 	}
-	return E.Errors(errors...)
+	return sniffError
 }
 
 func PeekPacket(ctx context.Context, metadata *adapter.InboundContext, packet []byte, sniffers ...PacketSniffer) error {
-	var errors []error
+	var sniffError []error
 	for _, sniffer := range sniffers {
 		err := sniffer(ctx, metadata, packet)
 		if err == nil {
 			return nil
 		}
-		errors = append(errors, err)
+		sniffError = append(sniffError, err)
 	}
-	return E.Errors(errors...)
+	return E.Errors(sniffError...)
 }

common/sniff/ssh.go

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

common/sniff/ssh_test.go

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

common/sniff/tls.go

@@ -3,11 +3,13 @@ package sniff
 import (
 	"context"
 	"crypto/tls"
+	"errors"
 	"io"
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing/common/bufio"
+	E "github.com/sagernet/sing/common/exceptions"
 )
 
 func TLSClientHello(ctx context.Context, metadata *adapter.InboundContext, reader io.Reader) error {
@@ -21,8 +23,11 @@ func TLSClientHello(ctx context.Context, metadata *adapter.InboundContext, reade
 	if clientHello != nil {
 		metadata.Protocol = C.ProtocolTLS
 		metadata.Domain = clientHello.ServerName
-		metadata.ClientHello = clientHello
 		return nil
 	}
-	return err
+	if errors.Is(err, io.ErrUnexpectedEOF) {
+		return E.Cause1(ErrNeedMoreData, err)
+	} else {
+		return err
+	}
 }

common/tls/acme.go

@@ -16,7 +16,7 @@ import (
 	"github.com/caddyserver/certmagic"
 	"github.com/libdns/alidns"
 	"github.com/libdns/cloudflare"
-	"github.com/mholt/acmez/v3/acme"
+	"github.com/mholt/acmez/acme"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 )

common/tls/client.go

@@ -29,12 +29,15 @@ func NewClient(ctx context.Context, serverAddress string, options option.Outboun
 	if !options.Enabled {
 		return nil, nil
 	}
-	if options.Reality != nil && options.Reality.Enabled {
+	if options.ECH != nil && options.ECH.Enabled {
+		return NewECHClient(ctx, serverAddress, options)
+	} else if options.Reality != nil && options.Reality.Enabled {
 		return NewRealityClient(ctx, serverAddress, options)
 	} else if options.UTLS != nil && options.UTLS.Enabled {
 		return NewUTLSClient(ctx, serverAddress, options)
+	} else {
+		return NewSTDClient(ctx, serverAddress, options)
 	}
-	return NewSTDClient(ctx, serverAddress, options)
 }
 
 func ClientHandshake(ctx context.Context, conn net.Conn, config Config) (Conn, error) {

common/tls/ech.go

@@ -1,174 +0,0 @@
-//go:build go1.24
-
-package tls
-
-import (
-	"context"
-	"crypto/tls"
-	"encoding/base64"
-	"encoding/pem"
-	"net"
-	"os"
-	"strings"
-
-	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/dns"
-	"github.com/sagernet/sing-box/experimental/deprecated"
-	"github.com/sagernet/sing-box/option"
-	E "github.com/sagernet/sing/common/exceptions"
-	aTLS "github.com/sagernet/sing/common/tls"
-	"github.com/sagernet/sing/service"
-
-	mDNS "github.com/miekg/dns"
-	"golang.org/x/crypto/cryptobyte"
-)
-
-func parseECHClientConfig(ctx context.Context, options option.OutboundTLSOptions, tlsConfig *tls.Config) (Config, error) {
-	var echConfig []byte
-	if len(options.ECH.Config) > 0 {
-		echConfig = []byte(strings.Join(options.ECH.Config, "\n"))
-	} else if options.ECH.ConfigPath != "" {
-		content, err := os.ReadFile(options.ECH.ConfigPath)
-		if err != nil {
-			return nil, E.Cause(err, "read ECH config")
-		}
-		echConfig = content
-	}
-	//nolint:staticcheck
-	if options.ECH.PQSignatureSchemesEnabled || options.ECH.DynamicRecordSizingDisabled {
-		deprecated.Report(ctx, deprecated.OptionLegacyECHOptions)
-	}
-	if len(echConfig) > 0 {
-		block, rest := pem.Decode(echConfig)
-		if block == nil || block.Type != "ECH CONFIGS" || len(rest) > 0 {
-			return nil, E.New("invalid ECH configs pem")
-		}
-		tlsConfig.EncryptedClientHelloConfigList = block.Bytes
-		return &STDClientConfig{tlsConfig}, nil
-	} else {
-		return &STDECHClientConfig{STDClientConfig{tlsConfig}, service.FromContext[adapter.DNSRouter](ctx)}, nil
-	}
-}
-
-func parseECHServerConfig(ctx context.Context, options option.InboundTLSOptions, tlsConfig *tls.Config, echKeyPath *string) error {
-	var echKey []byte
-	if len(options.ECH.Key) > 0 {
-		echKey = []byte(strings.Join(options.ECH.Key, "\n"))
-	} else if options.ECH.KeyPath != "" {
-		content, err := os.ReadFile(options.ECH.KeyPath)
-		if err != nil {
-			return E.Cause(err, "read ECH keys")
-		}
-		echKey = content
-		*echKeyPath = options.ECH.KeyPath
-	} else {
-		return E.New("missing ECH keys")
-	}
-	block, rest := pem.Decode(echKey)
-	if block == nil || block.Type != "ECH KEYS" || len(rest) > 0 {
-		return E.New("invalid ECH keys pem")
-	}
-	echKeys, err := UnmarshalECHKeys(block.Bytes)
-	if err != nil {
-		return E.Cause(err, "parse ECH keys")
-	}
-	tlsConfig.EncryptedClientHelloKeys = echKeys
-	//nolint:staticcheck
-	if options.ECH.PQSignatureSchemesEnabled || options.ECH.DynamicRecordSizingDisabled {
-		deprecated.Report(ctx, deprecated.OptionLegacyECHOptions)
-	}
-	return nil
-}
-
-func reloadECHKeys(echKeyPath string, tlsConfig *tls.Config) error {
-	echKey, err := os.ReadFile(echKeyPath)
-	if err != nil {
-		return E.Cause(err, "reload ECH keys from ", echKeyPath)
-	}
-	block, _ := pem.Decode(echKey)
-	if block == nil || block.Type != "ECH KEYS" {
-		return E.New("invalid ECH keys pem")
-	}
-	echKeys, err := UnmarshalECHKeys(block.Bytes)
-	if err != nil {
-		return E.Cause(err, "parse ECH keys")
-	}
-	tlsConfig.EncryptedClientHelloKeys = echKeys
-	return nil
-}
-
-type STDECHClientConfig struct {
-	STDClientConfig
-	dnsRouter adapter.DNSRouter
-}
-
-func (s *STDECHClientConfig) ClientHandshake(ctx context.Context, conn net.Conn) (aTLS.Conn, error) {
-	if len(s.config.EncryptedClientHelloConfigList) == 0 {
-		message := &mDNS.Msg{
-			MsgHdr: mDNS.MsgHdr{
-				RecursionDesired: true,
-			},
-			Question: []mDNS.Question{
-				{
-					Name:   mDNS.Fqdn(s.config.ServerName),
-					Qtype:  mDNS.TypeHTTPS,
-					Qclass: mDNS.ClassINET,
-				},
-			},
-		}
-		response, err := s.dnsRouter.Exchange(ctx, message, adapter.DNSQueryOptions{})
-		if err != nil {
-			return nil, E.Cause(err, "fetch ECH config list")
-		}
-		if response.Rcode != mDNS.RcodeSuccess {
-			return nil, E.Cause(dns.RcodeError(response.Rcode), "fetch ECH config list")
-		}
-		for _, rr := range response.Answer {
-			switch resource := rr.(type) {
-			case *mDNS.HTTPS:
-				for _, value := range resource.Value {
-					if value.Key().String() == "ech" {
-						echConfigList, err := base64.StdEncoding.DecodeString(value.String())
-						if err != nil {
-							return nil, E.Cause(err, "decode ECH config")
-						}
-						s.config.EncryptedClientHelloConfigList = echConfigList
-					}
-				}
-			}
-		}
-		return nil, E.New("no ECH config found in DNS records")
-	}
-	tlsConn, err := s.Client(conn)
-	if err != nil {
-		return nil, err
-	}
-	err = tlsConn.HandshakeContext(ctx)
-	if err != nil {
-		return nil, err
-	}
-	return tlsConn, nil
-}
-
-func (s *STDECHClientConfig) Clone() Config {
-	return &STDECHClientConfig{STDClientConfig{s.config.Clone()}, s.dnsRouter}
-}
-
-func UnmarshalECHKeys(raw []byte) ([]tls.EncryptedClientHelloKey, error) {
-	var keys []tls.EncryptedClientHelloKey
-	rawString := cryptobyte.String(raw)
-	for !rawString.Empty() {
-		var key tls.EncryptedClientHelloKey
-		if !rawString.ReadUint16LengthPrefixed((*cryptobyte.String)(&key.PrivateKey)) {
-			return nil, E.New("error parsing private key")
-		}
-		if !rawString.ReadUint16LengthPrefixed((*cryptobyte.String)(&key.Config)) {
-			return nil, E.New("error parsing config")
-		}
-		keys = append(keys, key)
-	}
-	if len(keys) == 0 {
-		return nil, E.New("empty ECH keys")
-	}
-	return keys, nil
-}

common/tls/ech_client.go

@@ -0,0 +1,243 @@
+//go:build with_ech
+
+package tls
+
+import (
+	"context"
+	"crypto/tls"
+	"crypto/x509"
+	"encoding/base64"
+	"encoding/pem"
+	"net"
+	"net/netip"
+	"os"
+	"strings"
+
+	cftls "github.com/sagernet/cloudflare-tls"
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing-dns"
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/ntp"
+	"github.com/sagernet/sing/service"
+
+	mDNS "github.com/miekg/dns"
+)
+
+type echClientConfig struct {
+	config *cftls.Config
+}
+
+func (c *echClientConfig) ServerName() string {
+	return c.config.ServerName
+}
+
+func (c *echClientConfig) SetServerName(serverName string) {
+	c.config.ServerName = serverName
+}
+
+func (c *echClientConfig) NextProtos() []string {
+	return c.config.NextProtos
+}
+
+func (c *echClientConfig) SetNextProtos(nextProto []string) {
+	c.config.NextProtos = nextProto
+}
+
+func (c *echClientConfig) Config() (*STDConfig, error) {
+	return nil, E.New("unsupported usage for ECH")
+}
+
+func (c *echClientConfig) Client(conn net.Conn) (Conn, error) {
+	return &echConnWrapper{cftls.Client(conn, c.config)}, nil
+}
+
+func (c *echClientConfig) Clone() Config {
+	return &echClientConfig{
+		config: c.config.Clone(),
+	}
+}
+
+type echConnWrapper struct {
+	*cftls.Conn
+}
+
+func (c *echConnWrapper) ConnectionState() tls.ConnectionState {
+	state := c.Conn.ConnectionState()
+	//nolint:staticcheck
+	return tls.ConnectionState{
+		Version:                     state.Version,
+		HandshakeComplete:           state.HandshakeComplete,
+		DidResume:                   state.DidResume,
+		CipherSuite:                 state.CipherSuite,
+		NegotiatedProtocol:          state.NegotiatedProtocol,
+		NegotiatedProtocolIsMutual:  state.NegotiatedProtocolIsMutual,
+		ServerName:                  state.ServerName,
+		PeerCertificates:            state.PeerCertificates,
+		VerifiedChains:              state.VerifiedChains,
+		SignedCertificateTimestamps: state.SignedCertificateTimestamps,
+		OCSPResponse:                state.OCSPResponse,
+		TLSUnique:                   state.TLSUnique,
+	}
+}
+
+func (c *echConnWrapper) Upstream() any {
+	return c.Conn
+}
+
+func NewECHClient(ctx context.Context, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
+	var serverName string
+	if options.ServerName != "" {
+		serverName = options.ServerName
+	} else if serverAddress != "" {
+		if _, err := netip.ParseAddr(serverName); err != nil {
+			serverName = serverAddress
+		}
+	}
+	if serverName == "" && !options.Insecure {
+		return nil, E.New("missing server_name or insecure=true")
+	}
+
+	var tlsConfig cftls.Config
+	tlsConfig.Time = ntp.TimeFuncFromContext(ctx)
+	if options.DisableSNI {
+		tlsConfig.ServerName = "127.0.0.1"
+	} else {
+		tlsConfig.ServerName = serverName
+	}
+	if options.Insecure {
+		tlsConfig.InsecureSkipVerify = options.Insecure
+	} else if options.DisableSNI {
+		tlsConfig.InsecureSkipVerify = true
+		tlsConfig.VerifyConnection = func(state cftls.ConnectionState) error {
+			verifyOptions := x509.VerifyOptions{
+				DNSName:       serverName,
+				Intermediates: x509.NewCertPool(),
+			}
+			for _, cert := range state.PeerCertificates[1:] {
+				verifyOptions.Intermediates.AddCert(cert)
+			}
+			_, err := state.PeerCertificates[0].Verify(verifyOptions)
+			return err
+		}
+	}
+	if len(options.ALPN) > 0 {
+		tlsConfig.NextProtos = options.ALPN
+	}
+	if options.MinVersion != "" {
+		minVersion, err := ParseTLSVersion(options.MinVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse min_version")
+		}
+		tlsConfig.MinVersion = minVersion
+	}
+	if options.MaxVersion != "" {
+		maxVersion, err := ParseTLSVersion(options.MaxVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse max_version")
+		}
+		tlsConfig.MaxVersion = maxVersion
+	}
+	if options.CipherSuites != nil {
+	find:
+		for _, cipherSuite := range options.CipherSuites {
+			for _, tlsCipherSuite := range cftls.CipherSuites() {
+				if cipherSuite == tlsCipherSuite.Name {
+					tlsConfig.CipherSuites = append(tlsConfig.CipherSuites, tlsCipherSuite.ID)
+					continue find
+				}
+			}
+			return nil, E.New("unknown cipher_suite: ", cipherSuite)
+		}
+	}
+	var certificate []byte
+	if len(options.Certificate) > 0 {
+		certificate = []byte(strings.Join(options.Certificate, "\n"))
+	} else if options.CertificatePath != "" {
+		content, err := os.ReadFile(options.CertificatePath)
+		if err != nil {
+			return nil, E.Cause(err, "read certificate")
+		}
+		certificate = content
+	}
+	if len(certificate) > 0 {
+		certPool := x509.NewCertPool()
+		if !certPool.AppendCertsFromPEM(certificate) {
+			return nil, E.New("failed to parse certificate:\n\n", certificate)
+		}
+		tlsConfig.RootCAs = certPool
+	}
+
+	// ECH Config
+
+	tlsConfig.ECHEnabled = true
+	tlsConfig.PQSignatureSchemesEnabled = options.ECH.PQSignatureSchemesEnabled
+	tlsConfig.DynamicRecordSizingDisabled = options.ECH.DynamicRecordSizingDisabled
+
+	var echConfig []byte
+	if len(options.ECH.Config) > 0 {
+		echConfig = []byte(strings.Join(options.ECH.Config, "\n"))
+	} else if options.ECH.ConfigPath != "" {
+		content, err := os.ReadFile(options.ECH.ConfigPath)
+		if err != nil {
+			return nil, E.Cause(err, "read ECH config")
+		}
+		echConfig = content
+	}
+
+	if len(echConfig) > 0 {
+		block, rest := pem.Decode(echConfig)
+		if block == nil || block.Type != "ECH CONFIGS" || len(rest) > 0 {
+			return nil, E.New("invalid ECH configs pem")
+		}
+		echConfigs, err := cftls.UnmarshalECHConfigs(block.Bytes)
+		if err != nil {
+			return nil, E.Cause(err, "parse ECH configs")
+		}
+		tlsConfig.ClientECHConfigs = echConfigs
+	} else {
+		tlsConfig.GetClientECHConfigs = fetchECHClientConfig(ctx)
+	}
+	return &echClientConfig{&tlsConfig}, nil
+}
+
+func fetchECHClientConfig(ctx context.Context) func(_ context.Context, serverName string) ([]cftls.ECHConfig, error) {
+	return func(_ context.Context, serverName string) ([]cftls.ECHConfig, error) {
+		message := &mDNS.Msg{
+			MsgHdr: mDNS.MsgHdr{
+				RecursionDesired: true,
+			},
+			Question: []mDNS.Question{
+				{
+					Name:   serverName + ".",
+					Qtype:  mDNS.TypeHTTPS,
+					Qclass: mDNS.ClassINET,
+				},
+			},
+		}
+		response, err := service.FromContext[adapter.Router](ctx).Exchange(ctx, message)
+		if err != nil {
+			return nil, err
+		}
+		if response.Rcode != mDNS.RcodeSuccess {
+			return nil, dns.RCodeError(response.Rcode)
+		}
+		for _, rr := range response.Answer {
+			switch resource := rr.(type) {
+			case *mDNS.HTTPS:
+				for _, value := range resource.Value {
+					if value.Key().String() == "ech" {
+						echConfig, err := base64.StdEncoding.DecodeString(value.String())
+						if err != nil {
+							return nil, E.Cause(err, "decode ECH config")
+						}
+						return cftls.UnmarshalECHConfigs(echConfig)
+					}
+				}
+			default:
+				return nil, E.New("unknown resource record type: ", resource.Header().Rrtype)
+			}
+		}
+		return nil, E.New("no ECH config found")
+	}
+}

common/tls/ech_keygen.go

@@ -1,3 +1,5 @@
+//go:build with_ech
+
 package tls
 
 import (
@@ -5,13 +7,14 @@ import (
 	"encoding/binary"
 	"encoding/pem"
 
+	cftls "github.com/sagernet/cloudflare-tls"
 	E "github.com/sagernet/sing/common/exceptions"
 
 	"github.com/cloudflare/circl/hpke"
 	"github.com/cloudflare/circl/kem"
 )
 
-func ECHKeygenDefault(serverName string) (configPem string, keyPem string, err error) {
+func ECHKeygenDefault(serverName string, pqSignatureSchemesEnabled bool) (configPem string, keyPem string, err error) {
 	cipherSuites := []echCipherSuite{
 		{
 			kdf:  hpke.KDF_HKDF_SHA256,
@@ -21,9 +24,13 @@ func ECHKeygenDefault(serverName string) (configPem string, keyPem string, err e
 			aead: hpke.AEAD_ChaCha20Poly1305,
 		},
 	}
+
 	keyConfig := []myECHKeyConfig{
 		{id: 0, kem: hpke.KEM_X25519_HKDF_SHA256},
 	}
+	if pqSignatureSchemesEnabled {
+		keyConfig = append(keyConfig, myECHKeyConfig{id: 1, kem: hpke.KEM_X25519_KYBER768_DRAFT00})
+	}
 
 	keyPairs, err := echKeygen(0xfe0d, serverName, keyConfig, cipherSuites)
 	if err != nil {
@@ -52,6 +59,7 @@ func ECHKeygenDefault(serverName string) (configPem string, keyPem string, err e
 
 type echKeyConfigPair struct {
 	id      uint8
+	key     cftls.EXP_ECHKey
 	rawKey  []byte
 	conf    myECHKeyConfig
 	rawConf []byte
@@ -147,6 +155,15 @@ func echKeygen(version uint16, serverName string, conf []myECHKeyConfig, suite [
 		sk = append(sk, secBuf...)
 		sk = be.AppendUint16(sk, uint16(len(b)))
 		sk = append(sk, b...)
+
+		cfECHKeys, err := cftls.EXP_UnmarshalECHKeys(sk)
+		if err != nil {
+			return nil, E.Cause(err, "bug: can't parse generated ECH server key")
+		}
+		if len(cfECHKeys) != 1 {
+			return nil, E.New("bug: unexpected server key count")
+		}
+		pair.key = cfECHKeys[0]
 		pair.rawKey = sk
 
 		pairs = append(pairs, pair)

common/tls/ech_quic.go

@@ -0,0 +1,55 @@
+//go:build with_quic && with_ech
+
+package tls
+
+import (
+	"context"
+	"net"
+	"net/http"
+
+	"github.com/sagernet/cloudflare-tls"
+	"github.com/sagernet/quic-go/ech"
+	"github.com/sagernet/quic-go/http3_ech"
+	"github.com/sagernet/sing-quic"
+	M "github.com/sagernet/sing/common/metadata"
+)
+
+var (
+	_ qtls.Config       = (*echClientConfig)(nil)
+	_ qtls.ServerConfig = (*echServerConfig)(nil)
+)
+
+func (c *echClientConfig) Dial(ctx context.Context, conn net.PacketConn, addr net.Addr, config *quic.Config) (quic.Connection, error) {
+	return quic.Dial(ctx, conn, addr, c.config, config)
+}
+
+func (c *echClientConfig) DialEarly(ctx context.Context, conn net.PacketConn, addr net.Addr, config *quic.Config) (quic.EarlyConnection, error) {
+	return quic.DialEarly(ctx, conn, addr, c.config, config)
+}
+
+func (c *echClientConfig) CreateTransport(conn net.PacketConn, quicConnPtr *quic.EarlyConnection, serverAddr M.Socksaddr, quicConfig *quic.Config) http.RoundTripper {
+	return &http3.Transport{
+		TLSClientConfig: c.config,
+		QUICConfig:      quicConfig,
+		Dial: func(ctx context.Context, addr string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
+			quicConn, err := quic.DialEarly(ctx, conn, serverAddr.UDPAddr(), tlsCfg, cfg)
+			if err != nil {
+				return nil, err
+			}
+			*quicConnPtr = quicConn
+			return quicConn, nil
+		},
+	}
+}
+
+func (c *echServerConfig) Listen(conn net.PacketConn, config *quic.Config) (qtls.Listener, error) {
+	return quic.Listen(conn, c.config, config)
+}
+
+func (c *echServerConfig) ListenEarly(conn net.PacketConn, config *quic.Config) (qtls.EarlyListener, error) {
+	return quic.ListenEarly(conn, c.config, config)
+}
+
+func (c *echServerConfig) ConfigureHTTP3() {
+	http3.ConfigureTLSConfig(c.config)
+}

common/tls/ech_server.go

@@ -0,0 +1,278 @@
+//go:build with_ech
+
+package tls
+
+import (
+	"context"
+	"crypto/tls"
+	"encoding/pem"
+	"net"
+	"os"
+	"strings"
+
+	cftls "github.com/sagernet/cloudflare-tls"
+	"github.com/sagernet/fswatch"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/ntp"
+)
+
+type echServerConfig struct {
+	config          *cftls.Config
+	logger          log.Logger
+	certificate     []byte
+	key             []byte
+	certificatePath string
+	keyPath         string
+	echKeyPath      string
+	watcher         *fswatch.Watcher
+}
+
+func (c *echServerConfig) ServerName() string {
+	return c.config.ServerName
+}
+
+func (c *echServerConfig) SetServerName(serverName string) {
+	c.config.ServerName = serverName
+}
+
+func (c *echServerConfig) NextProtos() []string {
+	return c.config.NextProtos
+}
+
+func (c *echServerConfig) SetNextProtos(nextProto []string) {
+	c.config.NextProtos = nextProto
+}
+
+func (c *echServerConfig) Config() (*STDConfig, error) {
+	return nil, E.New("unsupported usage for ECH")
+}
+
+func (c *echServerConfig) Client(conn net.Conn) (Conn, error) {
+	return &echConnWrapper{cftls.Client(conn, c.config)}, nil
+}
+
+func (c *echServerConfig) Server(conn net.Conn) (Conn, error) {
+	return &echConnWrapper{cftls.Server(conn, c.config)}, nil
+}
+
+func (c *echServerConfig) Clone() Config {
+	return &echServerConfig{
+		config: c.config.Clone(),
+	}
+}
+
+func (c *echServerConfig) Start() error {
+	err := c.startWatcher()
+	if err != nil {
+		c.logger.Warn("create credentials watcher: ", err)
+	}
+	return nil
+}
+
+func (c *echServerConfig) startWatcher() error {
+	var watchPath []string
+	if c.certificatePath != "" {
+		watchPath = append(watchPath, c.certificatePath)
+	}
+	if c.keyPath != "" {
+		watchPath = append(watchPath, c.keyPath)
+	}
+	if c.echKeyPath != "" {
+		watchPath = append(watchPath, c.echKeyPath)
+	}
+	if len(watchPath) == 0 {
+		return nil
+	}
+	watcher, err := fswatch.NewWatcher(fswatch.Options{
+		Path: watchPath,
+		Callback: func(path string) {
+			err := c.credentialsUpdated(path)
+			if err != nil {
+				c.logger.Error(E.Cause(err, "reload credentials from ", path))
+			}
+		},
+	})
+	if err != nil {
+		return err
+	}
+	err = watcher.Start()
+	if err != nil {
+		return err
+	}
+	c.watcher = watcher
+	return nil
+}
+
+func (c *echServerConfig) credentialsUpdated(path string) error {
+	if path == c.certificatePath || path == c.keyPath {
+		if path == c.certificatePath {
+			certificate, err := os.ReadFile(c.certificatePath)
+			if err != nil {
+				return err
+			}
+			c.certificate = certificate
+		} else {
+			key, err := os.ReadFile(c.keyPath)
+			if err != nil {
+				return err
+			}
+			c.key = key
+		}
+		keyPair, err := cftls.X509KeyPair(c.certificate, c.key)
+		if err != nil {
+			return E.Cause(err, "parse key pair")
+		}
+		c.config.Certificates = []cftls.Certificate{keyPair}
+		c.logger.Info("reloaded TLS certificate")
+	} else {
+		echKeyContent, err := os.ReadFile(c.echKeyPath)
+		if err != nil {
+			return err
+		}
+		block, rest := pem.Decode(echKeyContent)
+		if block == nil || block.Type != "ECH KEYS" || len(rest) > 0 {
+			return E.New("invalid ECH keys pem")
+		}
+		echKeys, err := cftls.EXP_UnmarshalECHKeys(block.Bytes)
+		if err != nil {
+			return E.Cause(err, "parse ECH keys")
+		}
+		echKeySet, err := cftls.EXP_NewECHKeySet(echKeys)
+		if err != nil {
+			return E.Cause(err, "create ECH key set")
+		}
+		c.config.ServerECHProvider = echKeySet
+		c.logger.Info("reloaded ECH keys")
+	}
+	return nil
+}
+
+func (c *echServerConfig) Close() error {
+	var err error
+	if c.watcher != nil {
+		err = E.Append(err, c.watcher.Close(), func(err error) error {
+			return E.Cause(err, "close credentials watcher")
+		})
+	}
+	return err
+}
+
+func NewECHServer(ctx context.Context, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
+	if !options.Enabled {
+		return nil, nil
+	}
+	var tlsConfig cftls.Config
+	if options.ACME != nil && len(options.ACME.Domain) > 0 {
+		return nil, E.New("acme is unavailable in ech")
+	}
+	tlsConfig.Time = ntp.TimeFuncFromContext(ctx)
+	if options.ServerName != "" {
+		tlsConfig.ServerName = options.ServerName
+	}
+	if len(options.ALPN) > 0 {
+		tlsConfig.NextProtos = append(options.ALPN, tlsConfig.NextProtos...)
+	}
+	if options.MinVersion != "" {
+		minVersion, err := ParseTLSVersion(options.MinVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse min_version")
+		}
+		tlsConfig.MinVersion = minVersion
+	}
+	if options.MaxVersion != "" {
+		maxVersion, err := ParseTLSVersion(options.MaxVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse max_version")
+		}
+		tlsConfig.MaxVersion = maxVersion
+	}
+	if options.CipherSuites != nil {
+	find:
+		for _, cipherSuite := range options.CipherSuites {
+			for _, tlsCipherSuite := range tls.CipherSuites() {
+				if cipherSuite == tlsCipherSuite.Name {
+					tlsConfig.CipherSuites = append(tlsConfig.CipherSuites, tlsCipherSuite.ID)
+					continue find
+				}
+			}
+			return nil, E.New("unknown cipher_suite: ", cipherSuite)
+		}
+	}
+	var certificate []byte
+	var key []byte
+	if len(options.Certificate) > 0 {
+		certificate = []byte(strings.Join(options.Certificate, "\n"))
+	} else if options.CertificatePath != "" {
+		content, err := os.ReadFile(options.CertificatePath)
+		if err != nil {
+			return nil, E.Cause(err, "read certificate")
+		}
+		certificate = content
+	}
+	if len(options.Key) > 0 {
+		key = []byte(strings.Join(options.Key, "\n"))
+	} else if options.KeyPath != "" {
+		content, err := os.ReadFile(options.KeyPath)
+		if err != nil {
+			return nil, E.Cause(err, "read key")
+		}
+		key = content
+	}
+
+	if certificate == nil {
+		return nil, E.New("missing certificate")
+	} else if key == nil {
+		return nil, E.New("missing key")
+	}
+
+	keyPair, err := cftls.X509KeyPair(certificate, key)
+	if err != nil {
+		return nil, E.Cause(err, "parse x509 key pair")
+	}
+	tlsConfig.Certificates = []cftls.Certificate{keyPair}
+
+	var echKey []byte
+	if len(options.ECH.Key) > 0 {
+		echKey = []byte(strings.Join(options.ECH.Key, "\n"))
+	} else if options.ECH.KeyPath != "" {
+		content, err := os.ReadFile(options.ECH.KeyPath)
+		if err != nil {
+			return nil, E.Cause(err, "read ECH key")
+		}
+		echKey = content
+	} else {
+		return nil, E.New("missing ECH key")
+	}
+
+	block, rest := pem.Decode(echKey)
+	if block == nil || block.Type != "ECH KEYS" || len(rest) > 0 {
+		return nil, E.New("invalid ECH keys pem")
+	}
+
+	echKeys, err := cftls.EXP_UnmarshalECHKeys(block.Bytes)
+	if err != nil {
+		return nil, E.Cause(err, "parse ECH keys")
+	}
+
+	echKeySet, err := cftls.EXP_NewECHKeySet(echKeys)
+	if err != nil {
+		return nil, E.Cause(err, "create ECH key set")
+	}
+
+	tlsConfig.ECHEnabled = true
+	tlsConfig.PQSignatureSchemesEnabled = options.ECH.PQSignatureSchemesEnabled
+	tlsConfig.DynamicRecordSizingDisabled = options.ECH.DynamicRecordSizingDisabled
+	tlsConfig.ServerECHProvider = echKeySet
+
+	return &echServerConfig{
+		config:          &tlsConfig,
+		logger:          logger,
+		certificate:     certificate,
+		key:             key,
+		certificatePath: options.CertificatePath,
+		keyPath:         options.KeyPath,
+		echKeyPath:      options.ECH.KeyPath,
+	}, nil
+}

common/tls/ech_stub.go

@@ -1,23 +1,25 @@
-//go:build !go1.24
+//go:build !with_ech
 
 package tls
 
 import (
 	"context"
-	"crypto/tls"
 
+	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
 )
 
-func parseECHClientConfig(ctx context.Context, options option.OutboundTLSOptions, tlsConfig *tls.Config) (Config, error) {
-	return nil, E.New("ECH requires go1.24, please recompile your binary.")
+var errECHNotIncluded = E.New(`ECH is not included in this build, rebuild with -tags with_ech`)
+
+func NewECHServer(ctx context.Context, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
+	return nil, errECHNotIncluded
 }
 
-func parseECHServerConfig(ctx context.Context, options option.InboundTLSOptions, tlsConfig *tls.Config, echKeyPath *string) error {
-	return E.New("ECH requires go1.24, please recompile your binary.")
+func NewECHClient(ctx context.Context, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
+	return nil, errECHNotIncluded
 }
 
-func reloadECHKeys(echKeyPath string, tlsConfig *tls.Config) error {
-	return E.New("ECH requires go1.24, please recompile your binary.")
+func ECHKeygenDefault(host string, pqSignatureSchemesEnabled bool) (configPem string, keyPem string, err error) {
+	return "", "", errECHNotIncluded
 }

common/tls/mkcert.go

@@ -8,16 +8,10 @@ import (
 	"crypto/x509/pkix"
 	"encoding/pem"
 	"math/big"
-	"net"
 	"time"
-
-	M "github.com/sagernet/sing/common/metadata"
 )
 
 func GenerateKeyPair(parent *x509.Certificate, parentKey any, timeFunc func() time.Time, serverName string) (*tls.Certificate, error) {
-	if timeFunc == nil {
-		timeFunc = time.Now
-	}
 	privateKeyPem, publicKeyPem, err := GenerateCertificate(parent, parentKey, timeFunc, serverName, timeFunc().Add(time.Hour))
 	if err != nil {
 		return nil, err
@@ -30,6 +24,9 @@ func GenerateKeyPair(parent *x509.Certificate, parentKey any, timeFunc func() ti
 }
 
 func GenerateCertificate(parent *x509.Certificate, parentKey any, timeFunc func() time.Time, serverName string, expire time.Time) (privateKeyPem []byte, publicKeyPem []byte, err error) {
+	if timeFunc == nil {
+		timeFunc = time.Now
+	}
 	key, err := rsa.GenerateKey(rand.Reader, 2048)
 	if err != nil {
 		return
@@ -38,30 +35,17 @@ func GenerateCertificate(parent *x509.Certificate, parentKey any, timeFunc func(
 	if err != nil {
 		return
 	}
-	var template *x509.Certificate
-	if serverAddress := M.ParseAddr(serverName); serverAddress.IsValid() {
-		template = &x509.Certificate{
-			SerialNumber:          serialNumber,
-			IPAddresses:           []net.IP{serverAddress.AsSlice()},
-			NotBefore:             timeFunc().Add(time.Hour * -1),
-			NotAfter:              expire,
-			KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
-			ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
-			BasicConstraintsValid: true,
-		}
-	} else {
-		template = &x509.Certificate{
-			SerialNumber:          serialNumber,
-			NotBefore:             timeFunc().Add(time.Hour * -1),
-			NotAfter:              expire,
-			KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
-			ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
-			BasicConstraintsValid: true,
-			Subject: pkix.Name{
-				CommonName: serverName,
-			},
-			DNSNames: []string{serverName},
-		}
+	template := &x509.Certificate{
+		SerialNumber:          serialNumber,
+		NotBefore:             timeFunc().Add(time.Hour * -1),
+		NotAfter:              expire,
+		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
+		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
+		BasicConstraintsValid: true,
+		Subject: pkix.Name{
+			CommonName: serverName,
+		},
+		DNSNames: []string{serverName},
 	}
 	if parent == nil {
 		parent = template

common/tls/reality_client.go

@@ -27,11 +27,9 @@ import (
 	"time"
 	"unsafe"
 
-	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing/common/debug"
 	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/ntp"
 	aTLS "github.com/sagernet/sing/common/tls"
 	utls "github.com/sagernet/utls"
 
@@ -42,7 +40,6 @@ import (
 var _ ConfigCompat = (*RealityClientConfig)(nil)
 
 type RealityClientConfig struct {
-	ctx       context.Context
 	uClient   *UTLSClientConfig
 	publicKey []byte
 	shortID   [8]byte
@@ -73,7 +70,7 @@ func NewRealityClient(ctx context.Context, serverAddress string, options option.
 	if decodedLen > 8 {
 		return nil, E.New("invalid short_id")
 	}
-	return &RealityClientConfig{ctx, uClient, publicKey, shortID}, nil
+	return &RealityClientConfig{uClient, publicKey, shortID}, nil
 }
 
 func (e *RealityClientConfig) ServerName() string {
@@ -183,24 +180,20 @@ func (e *RealityClientConfig) ClientHandshake(ctx context.Context, conn net.Conn
 	}
 
 	if !verifier.verified {
-		go realityClientFallback(e.ctx, uConn, e.uClient.ServerName(), e.uClient.id)
+		go realityClientFallback(uConn, e.uClient.ServerName(), e.uClient.id)
 		return nil, E.New("reality verification failed")
 	}
 
 	return &realityClientConnWrapper{uConn}, nil
 }
 
-func realityClientFallback(ctx context.Context, uConn net.Conn, serverName string, fingerprint utls.ClientHelloID) {
+func realityClientFallback(uConn net.Conn, serverName string, fingerprint utls.ClientHelloID) {
 	defer uConn.Close()
 	client := &http.Client{
 		Transport: &http2.Transport{
 			DialTLSContext: func(ctx context.Context, network, addr string, config *tls.Config) (net.Conn, error) {
 				return uConn, nil
 			},
-			TLSClientConfig: &tls.Config{
-				Time:    ntp.TimeFuncFromContext(ctx),
-				RootCAs: adapter.RootPoolFromContext(ctx),
-			},
 		},
 	}
 	request, _ := http.NewRequest("GET", "https://"+serverName, nil)
@@ -220,7 +213,6 @@ func (e *RealityClientConfig) SetSessionIDGenerator(generator func(clientHello [
 
 func (e *RealityClientConfig) Clone() Config {
 	return &RealityClientConfig{
-		e.ctx,
 		e.uClient.Clone().(*UTLSClientConfig),
 		e.publicKey,
 		e.shortID,

common/tls/reality_server.go

@@ -89,19 +89,23 @@ func NewRealityServer(ctx context.Context, logger log.Logger, options option.Inb
 	tlsConfig.MaxTimeDiff = time.Duration(options.Reality.MaxTimeDifference)
 
 	tlsConfig.ShortIds = make(map[[8]byte]bool)
-	for i, shortIDString := range options.Reality.ShortID {
-		var shortID [8]byte
-		decodedLen, err := hex.Decode(shortID[:], []byte(shortIDString))
-		if err != nil {
-			return nil, E.Cause(err, "decode short_id[", i, "]: ", shortIDString)
+	if len(options.Reality.ShortID) == 0 {
+		tlsConfig.ShortIds[[8]byte{0}] = true
+	} else {
+		for i, shortIDString := range options.Reality.ShortID {
+			var shortID [8]byte
+			decodedLen, err := hex.Decode(shortID[:], []byte(shortIDString))
+			if err != nil {
+				return nil, E.Cause(err, "decode short_id[", i, "]: ", shortIDString)
+			}
+			if decodedLen > 8 {
+				return nil, E.New("invalid short_id[", i, "]: ", shortIDString)
+			}
+			tlsConfig.ShortIds[shortID] = true
 		}
-		if decodedLen > 8 {
-			return nil, E.New("invalid short_id[", i, "]: ", shortIDString)
-		}
-		tlsConfig.ShortIds[shortID] = true
 	}
 
-	handshakeDialer, err := dialer.New(ctx, options.Reality.Handshake.DialerOptions, options.Reality.Handshake.ServerIsDomain())
+	handshakeDialer, err := dialer.New(ctx, options.Reality.Handshake.DialerOptions)
 	if err != nil {
 		return nil, err
 	}

common/tls/server.go

@@ -16,10 +16,13 @@ func NewServer(ctx context.Context, logger log.Logger, options option.InboundTLS
 	if !options.Enabled {
 		return nil, nil
 	}
-	if options.Reality != nil && options.Reality.Enabled {
+	if options.ECH != nil && options.ECH.Enabled {
+		return NewECHServer(ctx, logger, options)
+	} else if options.Reality != nil && options.Reality.Enabled {
 		return NewRealityServer(ctx, logger, options)
+	} else {
+		return NewSTDServer(ctx, logger, options)
 	}
-	return NewSTDServer(ctx, logger, options)
 }
 
 func ServerHandshake(ctx context.Context, conn net.Conn, config ServerConfig) (Conn, error) {

common/tls/std_client.go

@@ -5,10 +5,10 @@ import (
 	"crypto/tls"
 	"crypto/x509"
 	"net"
+	"net/netip"
 	"os"
 	"strings"
 
-	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/ntp"
@@ -51,7 +51,9 @@ func NewSTDClient(ctx context.Context, serverAddress string, options option.Outb
 	if options.ServerName != "" {
 		serverName = options.ServerName
 	} else if serverAddress != "" {
-		serverName = serverAddress
+		if _, err := netip.ParseAddr(serverName); err != nil {
+			serverName = serverAddress
+		}
 	}
 	if serverName == "" && !options.Insecure {
 		return nil, E.New("missing server_name or insecure=true")
@@ -59,7 +61,6 @@ func NewSTDClient(ctx context.Context, serverAddress string, options option.Outb
 
 	var tlsConfig tls.Config
 	tlsConfig.Time = ntp.TimeFuncFromContext(ctx)
-	tlsConfig.RootCAs = adapter.RootPoolFromContext(ctx)
 	if options.DisableSNI {
 		tlsConfig.ServerName = "127.0.0.1"
 	} else {
@@ -127,8 +128,5 @@ func NewSTDClient(ctx context.Context, serverAddress string, options option.Outb
 		}
 		tlsConfig.RootCAs = certPool
 	}
-	if options.ECH != nil && options.ECH.Enabled {
-		return parseECHClientConfig(ctx, options, &tlsConfig)
-	}
 	return &STDClientConfig{&tlsConfig}, nil
 }

common/tls/std_server.go

@@ -6,6 +6,7 @@ import (
 	"net"
 	"os"
 	"strings"
+	"time"
 
 	"github.com/sagernet/fswatch"
 	"github.com/sagernet/sing-box/adapter"
@@ -26,7 +27,6 @@ type STDServerConfig struct {
 	key             []byte
 	certificatePath string
 	keyPath         string
-	echKeyPath      string
 	watcher         *fswatch.Watcher
 }
 
@@ -95,15 +95,12 @@ func (c *STDServerConfig) startWatcher() error {
 	if c.keyPath != "" {
 		watchPath = append(watchPath, c.keyPath)
 	}
-	if c.echKeyPath != "" {
-		watchPath = append(watchPath, c.echKeyPath)
-	}
 	watcher, err := fswatch.NewWatcher(fswatch.Options{
 		Path: watchPath,
 		Callback: func(path string) {
 			err := c.certificateUpdated(path)
 			if err != nil {
-				c.logger.Error(E.Cause(err, "reload certificate"))
+				c.logger.Error(err)
 			}
 		},
 	})
@@ -119,33 +116,25 @@ func (c *STDServerConfig) startWatcher() error {
 }
 
 func (c *STDServerConfig) certificateUpdated(path string) error {
-	if path == c.certificatePath || path == c.keyPath {
-		if path == c.certificatePath {
-			certificate, err := os.ReadFile(c.certificatePath)
-			if err != nil {
-				return E.Cause(err, "reload certificate from ", c.certificatePath)
-			}
-			c.certificate = certificate
-		} else if path == c.keyPath {
-			key, err := os.ReadFile(c.keyPath)
-			if err != nil {
-				return E.Cause(err, "reload key from ", c.keyPath)
-			}
-			c.key = key
-		}
-		keyPair, err := tls.X509KeyPair(c.certificate, c.key)
+	if path == c.certificatePath {
+		certificate, err := os.ReadFile(c.certificatePath)
 		if err != nil {
-			return E.Cause(err, "reload key pair")
+			return E.Cause(err, "reload certificate from ", c.certificatePath)
 		}
-		c.config.Certificates = []tls.Certificate{keyPair}
-		c.logger.Info("reloaded TLS certificate")
-	} else if path == c.echKeyPath {
-		err := reloadECHKeys(c.echKeyPath, c.config)
+		c.certificate = certificate
+	} else if path == c.keyPath {
+		key, err := os.ReadFile(c.keyPath)
 		if err != nil {
-			return err
+			return E.Cause(err, "reload key from ", c.keyPath)
 		}
-		c.logger.Info("reloaded ECH keys")
+		c.key = key
 	}
+	keyPair, err := tls.X509KeyPair(c.certificate, c.key)
+	if err != nil {
+		return E.Cause(err, "reload key pair")
+	}
+	c.config.Certificates = []tls.Certificate{keyPair}
+	c.logger.Info("reloaded TLS certificate")
 	return nil
 }
 
@@ -233,8 +222,12 @@ func NewSTDServer(ctx context.Context, logger log.Logger, options option.Inbound
 			key = content
 		}
 		if certificate == nil && key == nil && options.Insecure {
+			timeFunc := ntp.TimeFuncFromContext(ctx)
+			if timeFunc == nil {
+				timeFunc = time.Now
+			}
 			tlsConfig.GetCertificate = func(info *tls.ClientHelloInfo) (*tls.Certificate, error) {
-				return GenerateKeyPair(nil, nil, ntp.TimeFuncFromContext(ctx), info.ServerName)
+				return GenerateKeyPair(nil, nil, timeFunc, info.ServerName)
 			}
 		} else {
 			if certificate == nil {
@@ -250,13 +243,6 @@ func NewSTDServer(ctx context.Context, logger log.Logger, options option.Inbound
 			tlsConfig.Certificates = []tls.Certificate{keyPair}
 		}
 	}
-	var echKeyPath string
-	if options.ECH != nil && options.ECH.Enabled {
-		err = parseECHServerConfig(ctx, options, tlsConfig, &echKeyPath)
-		if err != nil {
-			return nil, err
-		}
-	}
 	return &STDServerConfig{
 		config:          tlsConfig,
 		logger:          logger,
@@ -265,6 +251,5 @@ func NewSTDServer(ctx context.Context, logger log.Logger, options option.Inbound
 		key:             key,
 		certificatePath: options.CertificatePath,
 		keyPath:         options.KeyPath,
-		echKeyPath:      echKeyPath,
 	}, nil
 }

common/tls/utls_client.go

@@ -12,7 +12,6 @@ import (
 	"os"
 	"strings"
 
-	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/ntp"
@@ -131,7 +130,6 @@ func NewUTLSClient(ctx context.Context, serverAddress string, options option.Out
 
 	var tlsConfig utls.Config
 	tlsConfig.Time = ntp.TimeFuncFromContext(ctx)
-	tlsConfig.RootCAs = adapter.RootPoolFromContext(ctx)
 	if options.DisableSNI {
 		tlsConfig.ServerName = "127.0.0.1"
 	} else {

common/tlsfragment/conn.go

@@ -1,107 +0,0 @@
-package tf
-
-import (
-	"context"
-	"math/rand"
-	"net"
-	"strings"
-	"time"
-
-	N "github.com/sagernet/sing/common/network"
-
-	"golang.org/x/net/publicsuffix"
-)
-
-type Conn struct {
-	net.Conn
-	tcpConn            *net.TCPConn
-	ctx                context.Context
-	firstPacketWritten bool
-	fallbackDelay      time.Duration
-}
-
-func NewConn(conn net.Conn, ctx context.Context, fallbackDelay time.Duration) (*Conn, error) {
-	tcpConn, _ := N.UnwrapReader(conn).(*net.TCPConn)
-	return &Conn{
-		Conn:          conn,
-		tcpConn:       tcpConn,
-		ctx:           ctx,
-		fallbackDelay: fallbackDelay,
-	}, nil
-}
-
-func (c *Conn) Write(b []byte) (n int, err error) {
-	if !c.firstPacketWritten {
-		defer func() {
-			c.firstPacketWritten = true
-		}()
-		serverName := indexTLSServerName(b)
-		if serverName != nil {
-			if c.tcpConn != nil {
-				err = c.tcpConn.SetNoDelay(true)
-				if err != nil {
-					return
-				}
-			}
-			splits := strings.Split(serverName.ServerName, ".")
-			currentIndex := serverName.Index
-			if publicSuffix := publicsuffix.List.PublicSuffix(serverName.ServerName); publicSuffix != "" {
-				splits = splits[:len(splits)-strings.Count(serverName.ServerName, ".")]
-			}
-			if len(splits) > 1 && splits[0] == "..." {
-				currentIndex += len(splits[0]) + 1
-				splits = splits[1:]
-			}
-			var splitIndexes []int
-			for i, split := range splits {
-				splitAt := rand.Intn(len(split))
-				splitIndexes = append(splitIndexes, currentIndex+splitAt)
-				currentIndex += len(split)
-				if i != len(splits)-1 {
-					currentIndex++
-				}
-			}
-			for i := 0; i <= len(splitIndexes); i++ {
-				var payload []byte
-				if i == 0 {
-					payload = b[:splitIndexes[i]]
-				} else if i == len(splitIndexes) {
-					payload = b[splitIndexes[i-1]:]
-				} else {
-					payload = b[splitIndexes[i-1]:splitIndexes[i]]
-				}
-				if c.tcpConn != nil && i != len(splitIndexes) {
-					err = writeAndWaitAck(c.ctx, c.tcpConn, payload, c.fallbackDelay)
-					if err != nil {
-						return
-					}
-				} else {
-					_, err = c.Conn.Write(payload)
-					if err != nil {
-						return
-					}
-				}
-			}
-			if c.tcpConn != nil {
-				err = c.tcpConn.SetNoDelay(false)
-				if err != nil {
-					return
-				}
-			}
-			return len(b), nil
-		}
-	}
-	return c.Conn.Write(b)
-}
-
-func (c *Conn) ReaderReplaceable() bool {
-	return true
-}
-
-func (c *Conn) WriterReplaceable() bool {
-	return c.firstPacketWritten
-}
-
-func (c *Conn) Upstream() any {
-	return c.Conn
-}

common/tlsfragment/index.go

@@ -1,131 +0,0 @@
-package tf
-
-import (
-	"encoding/binary"
-)
-
-const (
-	recordLayerHeaderLen    int    = 5
-	handshakeHeaderLen      int    = 6
-	randomDataLen           int    = 32
-	sessionIDHeaderLen      int    = 1
-	cipherSuiteHeaderLen    int    = 2
-	compressMethodHeaderLen int    = 1
-	extensionsHeaderLen     int    = 2
-	extensionHeaderLen      int    = 4
-	sniExtensionHeaderLen   int    = 5
-	contentType             uint8  = 22
-	handshakeType           uint8  = 1
-	sniExtensionType        uint16 = 0
-	sniNameDNSHostnameType  uint8  = 0
-	tlsVersionBitmask       uint16 = 0xFFFC
-	tls13                   uint16 = 0x0304
-)
-
-type myServerName struct {
-	Index      int
-	Length     int
-	ServerName string
-}
-
-func indexTLSServerName(payload []byte) *myServerName {
-	if len(payload) < recordLayerHeaderLen || payload[0] != contentType {
-		return nil
-	}
-	segmentLen := binary.BigEndian.Uint16(payload[3:5])
-	if len(payload) < recordLayerHeaderLen+int(segmentLen) {
-		return nil
-	}
-	serverName := indexTLSServerNameFromHandshake(payload[recordLayerHeaderLen : recordLayerHeaderLen+int(segmentLen)])
-	if serverName == nil {
-		return nil
-	}
-	serverName.Length += recordLayerHeaderLen
-	return serverName
-}
-
-func indexTLSServerNameFromHandshake(hs []byte) *myServerName {
-	if len(hs) < handshakeHeaderLen+randomDataLen+sessionIDHeaderLen {
-		return nil
-	}
-	if hs[0] != handshakeType {
-		return nil
-	}
-	handshakeLen := uint32(hs[1])<<16 | uint32(hs[2])<<8 | uint32(hs[3])
-	if len(hs[4:]) != int(handshakeLen) {
-		return nil
-	}
-	tlsVersion := uint16(hs[4])<<8 | uint16(hs[5])
-	if tlsVersion&tlsVersionBitmask != 0x0300 && tlsVersion != tls13 {
-		return nil
-	}
-	sessionIDLen := hs[38]
-	if len(hs) < handshakeHeaderLen+randomDataLen+sessionIDHeaderLen+int(sessionIDLen) {
-		return nil
-	}
-	cs := hs[handshakeHeaderLen+randomDataLen+sessionIDHeaderLen+int(sessionIDLen):]
-	if len(cs) < cipherSuiteHeaderLen {
-		return nil
-	}
-	csLen := uint16(cs[0])<<8 | uint16(cs[1])
-	if len(cs) < cipherSuiteHeaderLen+int(csLen)+compressMethodHeaderLen {
-		return nil
-	}
-	compressMethodLen := uint16(cs[cipherSuiteHeaderLen+int(csLen)])
-	if len(cs) < cipherSuiteHeaderLen+int(csLen)+compressMethodHeaderLen+int(compressMethodLen) {
-		return nil
-	}
-	currentIndex := cipherSuiteHeaderLen + int(csLen) + compressMethodHeaderLen + int(compressMethodLen)
-	serverName := indexTLSServerNameFromExtensions(cs[currentIndex:])
-	if serverName == nil {
-		return nil
-	}
-	serverName.Index += currentIndex
-	return serverName
-}
-
-func indexTLSServerNameFromExtensions(exs []byte) *myServerName {
-	if len(exs) == 0 {
-		return nil
-	}
-	if len(exs) < extensionsHeaderLen {
-		return nil
-	}
-	exsLen := uint16(exs[0])<<8 | uint16(exs[1])
-	exs = exs[extensionsHeaderLen:]
-	if len(exs) < int(exsLen) {
-		return nil
-	}
-	for currentIndex := extensionsHeaderLen; len(exs) > 0; {
-		if len(exs) < extensionHeaderLen {
-			return nil
-		}
-		exType := uint16(exs[0])<<8 | uint16(exs[1])
-		exLen := uint16(exs[2])<<8 | uint16(exs[3])
-		if len(exs) < extensionHeaderLen+int(exLen) {
-			return nil
-		}
-		sex := exs[extensionHeaderLen : extensionHeaderLen+int(exLen)]
-
-		switch exType {
-		case sniExtensionType:
-			if len(sex) < sniExtensionHeaderLen {
-				return nil
-			}
-			sniType := sex[2]
-			if sniType != sniNameDNSHostnameType {
-				return nil
-			}
-			sniLen := uint16(sex[3])<<8 | uint16(sex[4])
-			sex = sex[sniExtensionHeaderLen:]
-			return &myServerName{
-				Index:      currentIndex + extensionHeaderLen + sniExtensionHeaderLen,
-				Length:     int(sniLen),
-				ServerName: string(sex),
-			}
-		}
-		exs = exs[4+exLen:]
-		currentIndex += 4 + int(exLen)
-	}
-	return nil
-}

common/tlsfragment/wait_darwin.go

@@ -1,93 +0,0 @@
-package tf
-
-import (
-	"context"
-	"net"
-	"time"
-
-	"github.com/sagernet/sing/common/control"
-
-	"golang.org/x/sys/unix"
-)
-
-/*
-const tcpMaxNotifyAck = 10
-
-type tcpNotifyAckID uint32
-
-	type tcpNotifyAckComplete struct {
-		NotifyPending       uint32
-		NotifyCompleteCount uint32
-		NotifyCompleteID    [tcpMaxNotifyAck]tcpNotifyAckID
-	}
-
-var sizeOfTCPNotifyAckComplete = int(unsafe.Sizeof(tcpNotifyAckComplete{}))
-
-	func getsockoptTCPNotifyAckComplete(fd, level, opt int) (*tcpNotifyAckComplete, error) {
-		var value tcpNotifyAckComplete
-		vallen := uint32(sizeOfTCPNotifyAckComplete)
-		err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
-		return &value, err
-	}
-
-//go:linkname getsockopt golang.org/x/sys/unix.getsockopt
-func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *uint32) error
-
-	func waitAck(ctx context.Context, conn *net.TCPConn, _ time.Duration) error {
-		const TCP_NOTIFY_ACKNOWLEDGEMENT = 0x212
-		return control.Conn(conn, func(fd uintptr) error {
-			err := unix.SetsockoptInt(int(fd), unix.IPPROTO_TCP, TCP_NOTIFY_ACKNOWLEDGEMENT, 1)
-			if err != nil {
-				if errors.Is(err, unix.EINVAL) {
-					return waitAckFallback(ctx, conn, 0)
-				}
-				return err
-			}
-			for {
-				select {
-				case <-ctx.Done():
-					return ctx.Err()
-				default:
-				}
-				var ackComplete *tcpNotifyAckComplete
-				ackComplete, err = getsockoptTCPNotifyAckComplete(int(fd), unix.IPPROTO_TCP, TCP_NOTIFY_ACKNOWLEDGEMENT)
-				if err != nil {
-					return err
-				}
-				if ackComplete.NotifyPending == 0 {
-					return nil
-				}
-				time.Sleep(10 * time.Millisecond)
-			}
-		})
-	}
-*/
-
-func writeAndWaitAck(ctx context.Context, conn *net.TCPConn, payload []byte, fallbackDelay time.Duration) error {
-	_, err := conn.Write(payload)
-	if err != nil {
-		return err
-	}
-	return control.Conn(conn, func(fd uintptr) error {
-		start := time.Now()
-		for {
-			select {
-			case <-ctx.Done():
-				return ctx.Err()
-			default:
-			}
-			unacked, err := unix.GetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_NWRITE)
-			if err != nil {
-				return err
-			}
-			if unacked == 0 {
-				if time.Since(start) <= 20*time.Millisecond {
-					// under transparent proxy
-					time.Sleep(fallbackDelay)
-				}
-				return nil
-			}
-			time.Sleep(10 * time.Millisecond)
-		}
-	})
-}

common/tlsfragment/wait_linux.go

@@ -1,40 +0,0 @@
-package tf
-
-import (
-	"context"
-	"net"
-	"time"
-
-	"github.com/sagernet/sing/common/control"
-
-	"golang.org/x/sys/unix"
-)
-
-func writeAndWaitAck(ctx context.Context, conn *net.TCPConn, payload []byte, fallbackDelay time.Duration) error {
-	_, err := conn.Write(payload)
-	if err != nil {
-		return err
-	}
-	return control.Conn(conn, func(fd uintptr) error {
-		start := time.Now()
-		for {
-			select {
-			case <-ctx.Done():
-				return ctx.Err()
-			default:
-			}
-			tcpInfo, err := unix.GetsockoptTCPInfo(int(fd), unix.IPPROTO_TCP, unix.TCP_INFO)
-			if err != nil {
-				return err
-			}
-			if tcpInfo.Unacked == 0 {
-				if time.Since(start) <= 20*time.Millisecond {
-					// under transparent proxy
-					time.Sleep(fallbackDelay)
-				}
-				return nil
-			}
-			time.Sleep(10 * time.Millisecond)
-		}
-	})
-}

common/tlsfragment/wait_stub.go

@@ -1,14 +0,0 @@
-//go:build !(linux || darwin || windows)
-
-package tf
-
-import (
-	"context"
-	"net"
-	"time"
-)
-
-func writeAndWaitAck(ctx context.Context, conn *net.TCPConn, payload []byte, fallbackDelay time.Duration) error {
-	time.Sleep(fallbackDelay)
-	return nil
-}

common/tlsfragment/wait_windows.go

@@ -1,28 +0,0 @@
-package tf
-
-import (
-	"context"
-	"errors"
-	"net"
-	"time"
-
-	"github.com/sagernet/sing/common/winiphlpapi"
-
-	"golang.org/x/sys/windows"
-)
-
-func writeAndWaitAck(ctx context.Context, conn *net.TCPConn, payload []byte, fallbackDelay time.Duration) error {
-	start := time.Now()
-	err := winiphlpapi.WriteAndWaitAck(ctx, conn, payload)
-	if err != nil {
-		if errors.Is(err, windows.ERROR_ACCESS_DENIED) {
-			time.Sleep(fallbackDelay)
-			return nil
-		}
-		return err
-	}
-	if time.Since(start) <= 20*time.Millisecond {
-		time.Sleep(fallbackDelay)
-	}
-	return nil
-}

common/urltest/urltest.go

@@ -2,32 +2,32 @@ package urltest
 
 import (
 	"context"
-	"crypto/tls"
 	"net"
 	"net/http"
 	"net/url"
 	"sync"
 	"time"
 
-	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing/common"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
-	"github.com/sagernet/sing/common/ntp"
 )
 
-var _ adapter.URLTestHistoryStorage = (*HistoryStorage)(nil)
+type History struct {
+	Time  time.Time `json:"time"`
+	Delay uint16    `json:"delay"`
+}
 
 type HistoryStorage struct {
 	access       sync.RWMutex
-	delayHistory map[string]*adapter.URLTestHistory
+	delayHistory map[string]*History
 	updateHook   chan<- struct{}
 }
 
 func NewHistoryStorage() *HistoryStorage {
 	return &HistoryStorage{
-		delayHistory: make(map[string]*adapter.URLTestHistory),
+		delayHistory: make(map[string]*History),
 	}
 }
 
@@ -35,7 +35,7 @@ func (s *HistoryStorage) SetHook(hook chan<- struct{}) {
 	s.updateHook = hook
 }
 
-func (s *HistoryStorage) LoadURLTestHistory(tag string) *adapter.URLTestHistory {
+func (s *HistoryStorage) LoadURLTestHistory(tag string) *History {
 	if s == nil {
 		return nil
 	}
@@ -51,7 +51,7 @@ func (s *HistoryStorage) DeleteURLTestHistory(tag string) {
 	s.notifyUpdated()
 }
 
-func (s *HistoryStorage) StoreURLTestHistory(tag string, history *adapter.URLTestHistory) {
+func (s *HistoryStorage) StoreURLTestHistory(tag string, history *History) {
 	s.access.Lock()
 	s.delayHistory[tag] = history
 	s.access.Unlock()
@@ -110,10 +110,6 @@ func URLTest(ctx context.Context, link string, detour N.Dialer) (t uint16, err e
 			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
 				return instance, nil
 			},
-			TLSClientConfig: &tls.Config{
-				Time:    ntp.TimeFuncFromContext(ctx),
-				RootCAs: adapter.RootPoolFromContext(ctx),
-			},
 		},
 		CheckRedirect: func(req *http.Request, via []*http.Request) error {
 			return http.ErrUseLastResponse

constant/certificate.go

@@ -1,7 +0,0 @@
-package constant
-
-const (
-	CertificateStoreSystem  = "system"
-	CertificateStoreMozilla = "mozilla"
-	CertificateStoreNone    = "none"
-)

constant/dns.go

@@ -1,35 +1,5 @@
 package constant
 
-const (
-	DefaultDNSTTL = 600
-)
-
-type DomainStrategy = uint8
-
-const (
-	DomainStrategyAsIS DomainStrategy = iota
-	DomainStrategyPreferIPv4
-	DomainStrategyPreferIPv6
-	DomainStrategyIPv4Only
-	DomainStrategyIPv6Only
-)
-
-const (
-	DNSTypeLegacy      = "legacy"
-	DNSTypeLegacyRcode = "legacy_rcode"
-	DNSTypeUDP         = "udp"
-	DNSTypeTCP         = "tcp"
-	DNSTypeTLS         = "tls"
-	DNSTypeHTTPS       = "https"
-	DNSTypeQUIC        = "quic"
-	DNSTypeHTTP3       = "h3"
-	DNSTypeLocal       = "local"
-	DNSTypeHosts       = "hosts"
-	DNSTypeFakeIP      = "fakeip"
-	DNSTypeDHCP        = "dhcp"
-	DNSTypeTailscale   = "tailscale"
-)
-
 const (
 	DNSProviderAliDNS     = "alidns"
 	DNSProviderCloudflare = "cloudflare"

constant/proxy.go

@@ -19,12 +19,10 @@ const (
 	TypeTor          = "tor"
 	TypeSSH          = "ssh"
 	TypeShadowTLS    = "shadowtls"
-	TypeAnyTLS       = "anytls"
 	TypeShadowsocksR = "shadowsocksr"
 	TypeVLESS        = "vless"
 	TypeTUIC         = "tuic"
 	TypeHysteria2    = "hysteria2"
-	TypeTailscale    = "tailscale"
 )
 
 const (
@@ -78,8 +76,6 @@ func ProxyDisplayName(proxyType string) string {
 		return "TUIC"
 	case TypeHysteria2:
 		return "Hysteria2"
-	case TypeAnyTLS:
-		return "AnyTLS"
 	case TypeSelector:
 		return "Selector"
 	case TypeURLTest:

constant/rule.go

@@ -33,7 +33,6 @@ const (
 	RuleActionTypeHijackDNS    = "hijack-dns"
 	RuleActionTypeSniff        = "sniff"
 	RuleActionTypeResolve      = "resolve"
-	RuleActionTypePredefined   = "predefined"
 )
 
 const (