refactor: Modular inbounds

Co-authored-by: x_123 <x@a>

.github/FUNDING.yml

@@ -0,0 +1 @@
+github: nekohasekai

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -44,13 +44,7 @@ body:
     attributes:
       label: Version
       description: If you are using the original command line program, please provide the output of the `sing-box version` command.
-      value: |-
-        <details>
-
-        ```console
-        # Replace this line with the output
-        ```
-        </details>
+      render: shell
   - type: textarea
     attributes:
       label: Description
@@ -67,13 +61,28 @@ body:
     attributes:
       label: Logs
       description: |-
-        If you encounter a crash with the graphical client, please provide crash logs.
+        In addition, if you encounter a crash with the graphical client, please also provide crash logs.
         For Apple platform clients, please check `Settings - View Service Log` for crash logs.
         For the Android client, please check the `/sdcard/Android/data/io.nekohasekai.sfa/files/stderr.log` file for crash logs.
-      value: |-
-        <details>
-        
-        ```console
-        # Replace this line with logs
-        ```
-        </details>
+      render: shell
+  - type: checkboxes
+    id: supporter
+    attributes:
+      label: Supporter
+      options:
+        - label: I am a [sponsor](https://github.com/sponsors/nekohasekai/)
+  - type: checkboxes
+    attributes:
+      label: Integrity requirements
+      description: |-
+        Please check all of the following options to prove that you have read and understood the requirements, otherwise this issue will be closed.
+        Sing-box is not a project aimed to please users who can't make any meaningful contributions and gain unethical influence. If you deceive here to deliberately waste the time of the developers, you will be permanently blocked.
+      options:
+        - label: I confirm that I have read the documentation, understand the meaning of all the configuration items I wrote, and did not pile up seemingly useful options or default values.
+          required: true
+        - label: I confirm that I have provided the server and client configuration files and process that can be reproduced locally, instead of a complicated client configuration file that has been stripped of sensitive data.
+          required: true
+        - label: I confirm that I have provided the simplest configuration that can be used to reproduce the error I reported, instead of depending on remote servers, TUN, graphical interface clients, or other closed-source software.
+          required: true
+        - label: I confirm that I have provided the complete configuration files and logs, rather than just providing parts I think are useful out of confidence in my own intelligence.
+          required: true

.github/ISSUE_TEMPLATE/bug_report_zh.yml

@@ -44,13 +44,7 @@ body:
     attributes:
       label: 版本
       description: 如果您使用原始命令行程序，请提供 `sing-box version` 命令的输出。
-      value: |-
-        <details>
-
-        ```console
-        # 使用输出内容覆盖此行
-        ```
-        </details>
+      render: shell
   - type: textarea
     attributes:
       label: 描述
@@ -67,13 +61,28 @@ body:
     attributes:
       label: 日志
       description: |-
-        如果您遭遇图形界面应用程序崩溃，请提供崩溃日志。
+        此外，如果您遭遇图形界面应用程序崩溃，请附加提供崩溃日志。
         对于 Apple 平台图形客户端程序，请检查 `Settings - View Service Log` 以导出崩溃日志。
         对于 Android 图形客户端程序，请检查 `/sdcard/Android/data/io.nekohasekai.sfa/files/stderr.log` 文件以导出崩溃日志。
-      value: |-
-        <details>
-        
-        ```console
-        # 使用日志内容覆盖此行
-        ```
-        </details>
+      render: shell
+  - type: checkboxes
+    id: supporter
+    attributes:
+      label: 支持我们
+      options:
+        - label: 我已经 [赞助](https://github.com/sponsors/nekohasekai/)
+  - type: checkboxes
+    attributes:
+      label: 完整性要求
+      description: |-
+        请勾选以下所有选项以证明您已经阅读并理解了以下要求，否则该 issue 将被关闭。
+        sing-box 不是讨好无法作出任何意义上的贡献的最终用户并获取非道德影响力的项目，如果您在此处欺骗以故意浪费开发者的时间，您将被永久封锁。
+      options:
+        - label: 我保证阅读了文档，了解所有我编写的配置文件项的含义，而不是大量堆砌看似有用的选项或默认值。
+          required: true
+        - label: 我保证提供了可以在本地重现该问题的服务器、客户端配置文件与流程，而不是一个脱敏的复杂客户端配置文件。
+          required: true
+        - label: 我保证提供了可用于重现我报告的错误的最简配置，而不是依赖远程服务器、TUN、图形界面客户端或者其他闭源软件。
+          required: true
+        - label: 我保证提供了完整的配置文件与日志，而不是出于对自身智力的自信而仅提供了部分认为有用的部分。
+          required: true

.github/update_clients.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+PROJECTS=$(dirname "$0")/../..
+
+function updateClient() {
+  pushd clients/$1
+  git fetch
+  git reset FETCH_HEAD --hard
+  popd
+  git add clients/$1
+}
+
+updateClient "apple"
+updateClient "android"

.github/workflows/debug.yml

@@ -22,67 +22,74 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
-      - name: Get latest go version
-        id: version
-        run: |
-          echo go_version=$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g') >> $GITHUB_OUTPUT
       - name: Setup Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: ${{ steps.version.outputs.go_version }}
-      - name: Add cache to Go proxy
-        run: |
-          version=`git rev-parse HEAD`
-          mkdir build
-          pushd build
-          go mod init build
-          go get -v github.com/sagernet/sing-box@$version
-          popd
-        continue-on-error: true
+          go-version: ^1.23
       - name: Run Test
         run: |
           go test -v ./...
-  build_go118:
-    name: Debug build (Go 1.18)
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
-        with:
-          fetch-depth: 0
-      - name: Setup Go
-        uses: actions/setup-go@v4
-        with:
-          go-version: 1.18.10
-      - name: Cache go module
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/go/pkg/mod
-          key: go118-${{ hashFiles('**/go.sum') }}
-      - name: Run Test
-        run: make ci_build_go118
   build_go120:
     name: Debug build (Go 1.20)
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Setup Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: 1.20.7
+          go-version: ~1.20
       - name: Cache go module
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/go/pkg/mod
-          key: go118-${{ hashFiles('**/go.sum') }}
+          key: go120-${{ hashFiles('**/go.sum') }}
+      - name: Run Test
+        run: make ci_build_go120
+  build_go121:
+    name: Debug build (Go 1.21)
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ~1.21
+      - name: Cache go module
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/go/pkg/mod
+          key: go121-${{ hashFiles('**/go.sum') }}
+      - name: Run Test
+        run: make ci_build
+  build_go122:
+    name: Debug build (Go 1.22)
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ~1.22
+      - name: Cache go module
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/go/pkg/mod
+          key: go122-${{ hashFiles('**/go.sum') }}
       - name: Run Test
         run: make ci_build
   cross:
@@ -188,8 +195,7 @@ jobs:
           - name: freebsd-arm64
             goos: freebsd
             goarch: arm64
-
-      fail-fast: false
+      fail-fast: true
     runs-on: ubuntu-latest
     env:
       GOOS: ${{ matrix.goos }}
@@ -201,22 +207,13 @@ jobs:
       TAGS: with_clash_api,with_quic
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
-      - name: Get latest go version
-        id: version
-        run: |
-          echo go_version=$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g') >> $GITHUB_OUTPUT
       - name: Setup Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: ${{ steps.version.outputs.go_version }}
+          go-version: ^1.21
       - name: Build
         id: build
-        run: make
-      - name: Upload artifact
-        uses: actions/upload-artifact@v3
-        with:
-          name: sing-box-${{ matrix.name }}
-          path: sing-box*
+        run: make

.github/workflows/docker.yml

@@ -1,47 +1,133 @@
-name: Build Docker Images
+name: Publish Docker Images
+
 on:
+  release:
+    types:
+      - published
   workflow_dispatch:
     inputs:
       tag:
         description: "The tag version you want to build"
+
+env:
+  REGISTRY_IMAGE: ghcr.io/sagernet/sing-box
+
 jobs:
   build:
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: true
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm/v6
+          - linux/arm/v7
+          - linux/arm64
+          - linux/386
+          - linux/ppc64le
+          - linux/riscv64
+          - linux/s390x
     steps:
+      - name: Get commit to build
+        id: ref
+        run: |-
+          if [[ -z "${{ github.event.inputs.tag }}" ]]; then
+            ref="${{ github.ref_name }}"
+          else
+            ref="${{ github.event.inputs.tag }}"
+          fi
+          echo "ref=$ref"
+          echo "ref=$ref" >> $GITHUB_OUTPUT
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          ref: ${{ steps.ref.outputs.ref }}
+          fetch-depth: 0
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
+      - name: Setup QEMU
+        uses: docker/setup-qemu-action@v3
       - name: Setup Docker Buildx
         uses: docker/setup-buildx-action@v3
-      - name: Setup QEMU for Docker Buildx
-        uses: docker/setup-qemu-action@v3
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      - name: Docker metadata
-        id: metadata
+      - name: Docker meta
+        id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ghcr.io/sagernet/sing-box
-      - name: Get tag to build
-        id: tag
-        run: |
-          echo "latest=ghcr.io/sagernet/sing-box:latest" >> $GITHUB_OUTPUT
-          if [[ -z "${{ github.event.inputs.tag }}" ]]; then
-            echo "versioned=ghcr.io/sagernet/sing-box:${{ github.ref_name }}" >> $GITHUB_OUTPUT
-          else
-            echo "versioned=ghcr.io/sagernet/sing-box:${{ github.event.inputs.tag }}" >> $GITHUB_OUTPUT
-          fi
-      - name: Build and release Docker images
-        uses: docker/build-push-action@v5
+          images: ${{ env.REGISTRY_IMAGE }}
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@v6
         with:
-          platforms: linux/386,linux/amd64,linux/arm64,linux/s390x
-          target: dist
+          platforms: ${{ matrix.platform }}
+          context: .
           build-args: |
             BUILDKIT_CONTEXT_KEEP_GIT_DIR=1
-          tags: |
-            ${{ steps.tag.outputs.latest }}
-            ${{ steps.tag.outputs.versioned }}
-          push: true
+          labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+      - name: Upload digest
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-${{ env.PLATFORM_PAIR }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+  merge:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    steps:
+      - name: Get commit to build
+        id: ref
+        run: |-
+          if [[ -z "${{ github.event.inputs.tag }}" ]]; then
+            ref="${{ github.ref_name }}"
+          else
+            ref="${{ github.event.inputs.tag }}"
+          fi
+          echo "ref=$ref"
+          echo "ref=$ref" >> $GITHUB_OUTPUT
+          if [[ $ref == *"-"* ]]; then
+            latest=latest-beta
+          else
+            latest=latest
+          fi
+          echo "latest=$latest"
+          echo "latest=$latest" >> $GITHUB_OUTPUT
+      - name: Download digests
+        uses: actions/download-artifact@v4
+        with:
+          path: /tmp/digests
+          pattern: digests-*
+          merge-multiple: true
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create \
+            -t "${{ env.REGISTRY_IMAGE }}:${{ steps.ref.outputs.latest }}" \
+            -t "${{ env.REGISTRY_IMAGE }}:${{ steps.ref.outputs.ref }}" \
+            $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.ref.outputs.latest }}
+          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.ref.outputs.ref }}

.github/workflows/lint.yml

@@ -22,19 +22,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
-      - name: Get latest go version
-        id: version
-        run: |
-          echo go_version=$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g') >> $GITHUB_OUTPUT
       - name: Setup Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: ${{ steps.version.outputs.go_version }}
+          go-version: ^1.23
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3
+        uses: golangci/golangci-lint-action@v6
         with:
           version: latest
           args: --timeout=30m

.github/workflows/linux.yml

@@ -0,0 +1,39 @@
+name: Release to Linux repository
+
+on:
+  release:
+    types:
+      - published
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        with:
+          fetch-depth: 0
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ^1.23
+      - name: Extract signing key
+        run: |-
+          mkdir -p $HOME/.gnupg
+          cat > $HOME/.gnupg/sagernet.key <<EOF
+          ${{ secrets.GPG_KEY }}
+          echo "HOME=$HOME" >> "$GITHUB_ENV"
+          EOF
+          echo "HOME=$HOME" >> "$GITHUB_ENV"
+      - name: Publish release
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          distribution: goreleaser-pro
+          version: latest
+          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 }}

.github/workflows/stale.yml

@@ -8,8 +8,9 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v8
+      - uses: actions/stale@v9
         with:
           stale-issue-message: 'This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 5 days'
           days-before-stale: 60
-          days-before-close: 5
+          days-before-close: 5
+          exempt-issue-labels: 'bug,enhancement'

.gitignore

@@ -14,3 +14,5 @@
 /*.xcframework/
 .DS_Store
 /config.d/
+/venv/
+

.gitmodules

@@ -0,0 +1,6 @@
+[submodule "clients/apple"]
+	path = clients/apple
+	url = https://github.com/SagerNet/sing-box-for-apple.git
+[submodule "clients/android"]
+	path = clients/android
+	url = https://github.com/SagerNet/sing-box-for-android.git

.golangci.yml

@@ -6,14 +6,7 @@ linters:
     - gci
     - staticcheck
     - paralleltest
-
-run:
-  skip-dirs:
-    - transport/simple-obfs
-    - transport/clashssr
-    - transport/cloudflaretls
-    - transport/shadowtls/tls
-    - transport/shadowtls/tls_go119
+    - ineffassign
 
 linters-settings:
   gci:
@@ -23,4 +16,13 @@ linters-settings:
       - prefix(github.com/sagernet/)
       - default
   staticcheck:
-    go: '1.20'
+    checks:
+      - all
+      - -SA1003
+
+run:
+  go: "1.23"
+
+issues:
+  exclude-dirs:
+    - transport/simple-obfs

.goreleaser.fury.yaml

@@ -0,0 +1,96 @@
+project_name: sing-box
+builds:
+  - id: main
+    main: ./cmd/sing-box
+    flags:
+      - -v
+      - -trimpath
+    ldflags:
+      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }} -s -w -buildid=
+    tags:
+      - with_gvisor
+      - with_quic
+      - with_dhcp
+      - with_wireguard
+      - with_ech
+      - with_utls
+      - with_reality_server
+      - with_acme
+      - with_clash_api
+    env:
+      - CGO_ENABLED=0
+    targets:
+      - linux_386
+      - linux_amd64_v1
+      - linux_arm64
+      - linux_arm_7
+      - linux_s390x
+      - linux_riscv64
+      - linux_mips64le
+    mod_timestamp: '{{ .CommitTimestamp }}'
+snapshot:
+  name_template: "{{ .Version }}.{{ .ShortCommit }}"
+nfpms:
+  - &template
+    id: package
+    package_name: sing-box
+    file_name_template: '{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ with .Mips }}_{{ . }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
+    builds:
+      - main
+    homepage: https://sing-box.sagernet.org/
+    maintainer: nekohasekai <contact-git@sekai.icu>
+    description: The universal proxy platform.
+    license: GPLv3 or later
+    formats:
+      - deb
+      - rpm
+    priority: extra
+    contents:
+      - src: release/config/config.json
+        dst: /etc/sing-box/config.json
+        type: config
+
+      - src: release/config/sing-box.service
+        dst: /usr/lib/systemd/system/sing-box.service
+      - src: release/config/sing-box@.service
+        dst: /usr/lib/systemd/system/sing-box@.service
+
+      - src: release/completions/sing-box.bash
+        dst: /usr/share/bash-completion/completions/sing-box.bash
+      - src: release/completions/sing-box.fish
+        dst: /usr/share/fish/vendor_completions.d/sing-box.fish
+      - src: release/completions/sing-box.zsh
+        dst: /usr/share/zsh/site-functions/_sing-box
+
+      - src: LICENSE
+        dst: /usr/share/licenses/sing-box/LICENSE
+    deb:
+      signature:
+        key_file: "{{ .Env.NFPM_KEY_PATH }}"
+      fields:
+        Bugs: https://github.com/SagerNet/sing-box/issues
+    rpm:
+      signature:
+        key_file: "{{ .Env.NFPM_KEY_PATH }}"
+    conflicts:
+      - sing-box-beta
+  - id: package_beta
+    <<: *template
+    package_name: sing-box-beta
+    file_name_template: '{{ .ProjectName }}-beta_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ with .Mips }}_{{ . }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
+    formats:
+      - deb
+      - rpm
+    conflicts:
+      - sing-box
+release:
+  disable: true
+furies:
+  - account: sagernet
+    ids:
+      - package
+    disable: "{{ not (not .Prerelease) }}"
+  - account: sagernet
+    ids:
+      - package_beta
+    disable: "{{ not .Prerelease }}"

.goreleaser.yaml

@@ -1,16 +1,16 @@
+version: 2
 project_name: sing-box
 builds:
-  - id: main
+  - &template
+    id: main
     main: ./cmd/sing-box
     flags:
       - -v
       - -trimpath
-    asmflags:
-      - all=-trimpath={{.Env.GOPATH}}
-    gcflags:
-      - all=-trimpath={{.Env.GOPATH}}
     ldflags:
-      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }} -s -w -buildid=
+      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }}
+      - -s
+      - -buildid=
     tags:
       - with_gvisor
       - with_quic
@@ -26,69 +26,39 @@ builds:
     targets:
       - linux_386
       - linux_amd64_v1
-      - linux_amd64_v3
       - linux_arm64
+      - linux_arm_6
       - linux_arm_7
       - linux_s390x
+      - linux_riscv64
+      - linux_mips64le
       - windows_amd64_v1
-      - windows_amd64_v3
       - windows_386
       - windows_arm64
       - darwin_amd64_v1
-      - darwin_amd64_v3
       - darwin_arm64
     mod_timestamp: '{{ .CommitTimestamp }}'
   - id: legacy
-    main: ./cmd/sing-box
-    flags:
-      - -v
-      - -trimpath
-    asmflags:
-      - all=-trimpath={{.Env.GOPATH}}
-    gcflags:
-      - all=-trimpath={{.Env.GOPATH}}
-    ldflags:
-      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }} -s -w -buildid=
+    <<: *template
     tags:
       - with_gvisor
       - with_quic
       - with_dhcp
       - with_wireguard
-      - with_ech
       - with_utls
       - with_reality_server
       - with_acme
       - with_clash_api
     env:
       - CGO_ENABLED=0
-      - GOROOT=/nix/store/kg6i737jjqs923jcijnm003h68c1dghj-go-1.20.11/share/go
-    gobinary: /nix/store/kg6i737jjqs923jcijnm003h68c1dghj-go-1.20.11/bin/go
+      - GOROOT={{ .Env.GOPATH }}/go1.20.14
+    gobinary: "{{ .Env.GOPATH }}/go1.20.14/bin/go"
     targets:
       - windows_amd64_v1
       - windows_386
       - darwin_amd64_v1
-    mod_timestamp: '{{ .CommitTimestamp }}'
   - id: android
-    main: ./cmd/sing-box
-    flags:
-      - -v
-      - -trimpath
-    asmflags:
-      - all=-trimpath={{.Env.GOPATH}}
-    gcflags:
-      - all=-trimpath={{.Env.GOPATH}}
-    ldflags:
-      - -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
+    <<: *template
     env:
       - CGO_ENABLED=1
     overrides:
@@ -96,8 +66,8 @@ builds:
         goarch: arm
         goarm: 7
         env:
-          - CC=armv7a-linux-androideabi19-clang
-          - CXX=armv7a-linux-androideabi19-clang++
+          - CC=armv7a-linux-androideabi21-clang
+          - CXX=armv7a-linux-androideabi21-clang++
       - goos: android
         goarch: arm64
         env:
@@ -106,8 +76,8 @@ builds:
       - goos: android
         goarch: 386
         env:
-          - CC=i686-linux-android19-clang
-          - CXX=i686-linux-android19-clang++
+          - CC=i686-linux-android21-clang
+          - CXX=i686-linux-android21-clang++
       - goos: android
         goarch: amd64
         goamd64: v1
@@ -119,11 +89,9 @@ builds:
       - android_arm64
       - android_386
       - android_amd64
-    mod_timestamp: '{{ .CommitTimestamp }}'
-snapshot:
-  name_template: "{{ .Version }}.{{ .ShortCommit }}"
 archives:
-  - id: archive
+  - &template
+    id: archive
     builds:
       - main
       - android
@@ -134,23 +102,18 @@ archives:
     wrap_in_directory: true
     files:
       - LICENSE
-    name_template: '{{ .ProjectName }}-{{ .Version }}-{{ .Os }}-{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ with .Mips }}_{{ . }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
+    name_template: '{{ .ProjectName }}-{{ .Version }}-{{ .Os }}-{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ if and .Mips (not (eq .Mips "hardfloat")) }}_{{ .Mips }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
   - id: archive-legacy
+    <<: *template
     builds:
       - legacy
-    format: tar.gz
-    format_overrides:
-      - goos: windows
-        format: zip
-    wrap_in_directory: true
-    files:
-      - LICENSE
     name_template: '{{ .ProjectName }}-{{ .Version }}-{{ .Os }}-{{ .Arch }}-legacy'
 nfpms:
   - id: package
     package_name: sing-box
-    file_name_template: '{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ with .Mips }}_{{ . }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
-    vendor: sagernet
+    file_name_template: '{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ if and .Mips (not (eq .Mips "hardfloat")) }}_{{ .Mips }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
+    builds:
+      - main
     homepage: https://sing-box.sagernet.org/
     maintainer: nekohasekai <contact-git@sekai.icu>
     description: The universal proxy platform.
@@ -159,17 +122,65 @@ nfpms:
       - deb
       - rpm
       - archlinux
+#      - apk
+#      - ipk
     priority: extra
     contents:
       - src: release/config/config.json
         dst: /etc/sing-box/config.json
         type: config
+
       - src: release/config/sing-box.service
-        dst: /etc/systemd/system/sing-box.service
+        dst: /usr/lib/systemd/system/sing-box.service
       - src: release/config/sing-box@.service
-        dst: /etc/systemd/system/sing-box@.service
+        dst: /usr/lib/systemd/system/sing-box@.service
+
+      - src: release/completions/sing-box.bash
+        dst: /usr/share/bash-completion/completions/sing-box.bash
+      - src: release/completions/sing-box.fish
+        dst: /usr/share/fish/vendor_completions.d/sing-box.fish
+      - src: release/completions/sing-box.zsh
+        dst: /usr/share/zsh/site-functions/_sing-box
+
       - src: LICENSE
         dst: /usr/share/licenses/sing-box/LICENSE
+    deb:
+      signature:
+        key_file: "{{ .Env.NFPM_KEY_PATH }}"
+      fields:
+        Bugs: https://github.com/SagerNet/sing-box/issues
+    rpm:
+      signature:
+        key_file: "{{ .Env.NFPM_KEY_PATH }}"
+    overrides:
+      apk:
+        contents:
+          - src: release/config/config.json
+            dst: /etc/sing-box/config.json
+            type: config
+
+          - src: release/config/sing-box.initd
+            dst: /etc/init.d/sing-box
+
+          - src: release/completions/sing-box.bash
+            dst: /usr/share/bash-completion/completions/sing-box.bash
+          - src: release/completions/sing-box.fish
+            dst: /usr/share/fish/vendor_completions.d/sing-box.fish
+          - src: release/completions/sing-box.zsh
+            dst: /usr/share/zsh/site-functions/_sing-box
+
+          - src: LICENSE
+            dst: /usr/share/licenses/sing-box/LICENSE
+      ipk:
+        contents:
+          - src: release/config/config.json
+            dst: /etc/sing-box/config.json
+            type: config
+
+          - src: release/config/openwrt.init
+            dst: /etc/init.d/sing-box
+          - src: release/config/openwrt.conf
+            dst: /etc/config/sing-box
 source:
   enabled: false
   name_template: '{{ .ProjectName }}-{{ .Version }}.source'
@@ -183,6 +194,10 @@ release:
   github:
     owner: SagerNet
     name: sing-box
-  name_template: '{{ if .IsSnapshot }}{{ nightly }}{{ else }}{{ .Version }}{{ end }}'
   draft: true
-  mode: replace
+  prerelease: auto
+  mode: replace
+  ids:
+    - archive
+    - package
+  skip_upload: true

Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.21-alpine AS builder
+FROM --platform=$BUILDPLATFORM golang:1.23-alpine AS builder
 LABEL maintainer="nekohasekai <contact-git@sekai.icu>"
 COPY . /go/src/github.com/sagernet/sing-box
 WORKDIR /go/src/github.com/sagernet/sing-box
@@ -21,7 +21,7 @@ FROM --platform=$TARGETPLATFORM alpine AS dist
 LABEL maintainer="nekohasekai <contact-git@sekai.icu>"
 RUN set -ex \
     && apk upgrade \
-    && apk add bash tzdata ca-certificates \
+    && apk add bash tzdata ca-certificates nftables \
     && rm -rf /var/cache/apk/*
 COPY --from=builder /go/bin/sing-box /usr/local/bin/sing-box
 ENTRYPOINT ["sing-box"]

Makefile

@@ -1,8 +1,8 @@
 NAME = sing-box
 COMMIT = $(shell git rev-parse --short HEAD)
-TAGS_GO118 = with_gvisor,with_dhcp,with_wireguard,with_utls,with_reality_server,with_clash_api
-TAGS_GO120 = with_quic,with_ech
-TAGS ?= $(TAGS_GO118),$(TAGS_GO120)
+TAGS_GO120 = with_gvisor,with_dhcp,with_wireguard,with_reality_server,with_clash_api,with_quic,with_utls
+TAGS_GO121 = with_ech
+TAGS ?= $(TAGS_GO118),$(TAGS_GO120),$(TAGS_GO121)
 TAGS_TEST ?= with_gvisor,with_quic,with_wireguard,with_grpc,with_ech,with_utls,with_reality_server
 
 GOHOSTOS = $(shell go env GOHOSTOS)
@@ -14,19 +14,22 @@ MAIN_PARAMS = $(PARAMS) -tags $(TAGS)
 MAIN = ./cmd/sing-box
 PREFIX ?= $(shell go env GOPATH)
 
-.PHONY: test release docs
+.PHONY: test release docs build
 
 build:
 	go build $(MAIN_PARAMS) $(MAIN)
 
-ci_build_go118:
+ci_build_go120:
 	go build $(PARAMS) $(MAIN)
-	go build $(PARAMS) -tags "$(TAGS_GO118)" $(MAIN)
+	go build $(PARAMS) -tags "$(TAGS_GO120)" $(MAIN)
 
 ci_build:
 	go build $(PARAMS) $(MAIN)
 	go build $(MAIN_PARAMS) $(MAIN)
 
+generate_completions:
+	go run -v --tags generate,generate_completions $(MAIN)
+
 install:
 	go build -o $(PREFIX)/bin/$(NAME) $(MAIN_PARAMS) $(MAIN)
 
@@ -59,25 +62,34 @@ proto_install:
 	go install -v google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
 
 release:
-	go run ./cmd/internal/build goreleaser release --clean --skip-publish || exit 1
+	go run ./cmd/internal/build goreleaser release --clean --skip publish
 	mkdir dist/release
-	mv dist/*.tar.gz dist/*.zip dist/*.deb dist/*.rpm dist/*.pkg.tar.zst dist/release
+	mv dist/*.tar.gz \
+		dist/*.zip \
+		dist/*.deb \
+		dist/*.rpm \
+		dist/*_amd64.pkg.tar.zst \
+		dist/*_arm64.pkg.tar.zst \
+		dist/release
 	ghr --replace --draft --prerelease -p 3 "v${VERSION}" dist/release
 	rm -r dist/release
 
+release_repo:
+	go run ./cmd/internal/build goreleaser release -f .goreleaser.fury.yaml --clean
+
 release_install:
-	go install -v github.com/goreleaser/goreleaser@latest
 	go install -v github.com/tcnksm/ghr@latest
 
 update_android_version:
 	go run ./cmd/internal/update_android_version
 
 build_android:
-	cd ../sing-box-for-android && ./gradlew :app:assemblePlayRelease && ./gradlew --stop
+	cd ../sing-box-for-android && ./gradlew :app:clean :app:assemblePlayRelease :app:assembleOtherRelease && ./gradlew --stop
 
 upload_android:
 	mkdir -p dist/release_android
 	cp ../sing-box-for-android/app/build/outputs/apk/play/release/*.apk dist/release_android
+	cp ../sing-box-for-android/app/build/outputs/apk/other/release/*-universal.apk dist/release_android
 	ghr --replace --draft --prerelease -p 3 "v${VERSION}" dist/release_android
 	rm -rf dist/release_android
 
@@ -89,10 +101,12 @@ publish_android:
 publish_android_appcenter:
 	cd ../sing-box-for-android && ./gradlew :app:appCenterAssembleAndUploadPlayRelease
 
+
+# TODO: find why and remove `-destination 'generic/platform=iOS'`
 build_ios:
 	cd ../sing-box-for-apple && \
 	rm -rf build/SFI.xcarchive && \
-	xcodebuild archive -scheme SFI -configuration Release -archivePath build/SFI.xcarchive
+	xcodebuild archive -scheme SFI -configuration Release -destination 'generic/platform=iOS' -archivePath build/SFI.xcarchive -allowProvisioningUpdates
 
 upload_ios_app_store:
 	cd ../sing-box-for-apple && \
@@ -103,55 +117,70 @@ release_ios: build_ios upload_ios_app_store
 build_macos:
 	cd ../sing-box-for-apple && \
 	rm -rf build/SFM.xcarchive && \
-	xcodebuild archive -scheme SFM -configuration Release -archivePath build/SFM.xcarchive
+	xcodebuild archive -scheme SFM -configuration Release -archivePath build/SFM.xcarchive -allowProvisioningUpdates
 
 upload_macos_app_store:
 	cd ../sing-box-for-apple && \
-	xcodebuild -exportArchive -archivePath build/SFM.xcarchive -exportOptionsPlist SFI/Upload.plist  -allowProvisioningUpdates
+	xcodebuild -exportArchive -archivePath build/SFM.xcarchive -exportOptionsPlist SFI/Upload.plist -allowProvisioningUpdates
 
 release_macos: build_macos upload_macos_app_store
 
-build_macos_independent:
+build_macos_standalone:
 	cd ../sing-box-for-apple && \
-	rm -rf build/SFT.System.xcarchive && \
-	xcodebuild archive -scheme SFM.System -configuration Release -archivePath build/SFM.System.xcarchive
+	rm -rf build/SFM.System.xcarchive && \
+	xcodebuild archive -scheme SFM.System -configuration Release -archivePath build/SFM.System.xcarchive -allowProvisioningUpdates
 
-notarize_macos_independent:
-	cd ../sing-box-for-apple && \
-	xcodebuild -exportArchive -archivePath "build/SFM.System.xcarchive" -exportOptionsPlist SFM.System/Upload.plist  -allowProvisioningUpdates
-
-wait_notarize_macos_independent:
-	sleep 60
-
-export_macos_independent:
+build_macos_dmg:
 	rm -rf dist/SFM
 	mkdir -p dist/SFM
 	cd ../sing-box-for-apple && \
-	xcodebuild -exportNotarizedApp -archivePath build/SFM.System.xcarchive -exportPath "../sing-box/dist/SFM"
+	rm -rf build/SFM.System && \
+	rm -rf build/SFM.dmg && \
+	xcodebuild -exportArchive \
+		-archivePath "build/SFM.System.xcarchive" \
+		-exportOptionsPlist SFM.System/Export.plist -allowProvisioningUpdates \
+		-exportPath "build/SFM.System" && \
+	create-dmg \
+		--volname "sing-box" \
+		--volicon "build/SFM.System/SFM.app/Contents/Resources/AppIcon.icns" \
+		--icon "SFM.app" 0 0 \
+ 		--hide-extension "SFM.app" \
+ 		--app-drop-link 0 0 \
+ 		--skip-jenkins \
+		--notarize "notarytool-password" \
+		"../sing-box/dist/SFM/SFM.dmg" "build/SFM.System/SFM.app"
 
-upload_macos_independent:
+upload_macos_dmg:
 	cd dist/SFM && \
-	rm -f *.zip && \
-	zip -ry "SFM-${VERSION}-universal.zip" SFM.app && \
-	ghr --replace --draft --prerelease "v${VERSION}" *.zip
+	cp SFM.dmg "SFM-${VERSION}-universal.dmg" && \
+	ghr --replace --draft --prerelease "v${VERSION}" "SFM-${VERSION}-universal.dmg"
 
-release_macos_independent: build_macos_independent notarize_macos_independent wait_notarize_macos_independent export_macos_independent upload_macos_independent
+upload_macos_dsyms:
+	pushd ../sing-box-for-apple/build/SFM.System.xcarchive && \
+	zip -r SFM.dSYMs.zip dSYMs && \
+	mv SFM.dSYMs.zip ../../../sing-box/dist/SFM && \
+	popd && \
+	cd dist/SFM && \
+	cp SFM.dSYMs.zip "SFM-${VERSION}-universal.dSYMs.zip" && \
+	ghr --replace --draft --prerelease "v${VERSION}" "SFM-${VERSION}-universal.dSYMs.zip"
+
+release_macos_standalone: build_macos_standalone build_macos_dmg upload_macos_dmg upload_macos_dsyms
 
 build_tvos:
 	cd ../sing-box-for-apple && \
 	rm -rf build/SFT.xcarchive && \
-	xcodebuild archive -scheme SFT -configuration Release -archivePath build/SFT.xcarchive
+	xcodebuild archive -scheme SFT -configuration Release -archivePath build/SFT.xcarchive -allowProvisioningUpdates
 
 upload_tvos_app_store:
 	cd ../sing-box-for-apple && \
-	xcodebuild -exportArchive -archivePath "build/SFT.xcarchive" -exportOptionsPlist SFI/Upload.plist  -allowProvisioningUpdates
+	xcodebuild -exportArchive -archivePath "build/SFT.xcarchive" -exportOptionsPlist SFI/Upload.plist -allowProvisioningUpdates
 
 release_tvos: build_tvos upload_tvos_app_store
 
 update_apple_version:
 	go run ./cmd/internal/update_apple_version
 
-release_apple: lib_ios update_apple_version release_ios release_macos release_tvos release_macos_independent
+release_apple: lib_ios update_apple_version release_ios release_macos release_tvos release_macos_standalone
 
 release_apple_beta: update_apple_version release_ios release_macos release_tvos
 
@@ -178,18 +207,19 @@ lib:
 	go run ./cmd/internal/build_libbox -target ios
 
 lib_install:
-	go get -v -d
-	go install -v github.com/sagernet/gomobile/cmd/gomobile@v0.0.0-20230915142329-c6740b6d2950
-	go install -v github.com/sagernet/gomobile/cmd/gobind@v0.0.0-20230915142329-c6740b6d2950
+	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:
-	mkdocs serve
+	venv/bin/mkdocs serve
 
 publish_docs:
-	mkdocs gh-deploy -m "Update" --force --ignore-version --no-history
+	venv/bin/mkdocs gh-deploy -m "Update" --force --ignore-version --no-history
 
 docs_install:
-	pip install --force-reinstall mkdocs-material=="9.*" mkdocs-static-i18n=="1.2.*"
+	python -m venv venv
+	source ./venv/bin/activate && pip install --force-reinstall mkdocs-material=="9.*" mkdocs-static-i18n=="1.2.*"
+
 clean:
 	rm -rf bin dist sing-box
 	rm -f $(shell go env GOPATH)/sing-box

README.md

@@ -8,10 +8,6 @@ The universal proxy platform.
 
 https://sing-box.sagernet.org
 
-## Support
-
-https://community.sagernet.org/c/sing-box/
-
 ## License
 
 ```

adapter/conn_router.go

@@ -1,104 +0,0 @@
-package adapter
-
-import (
-	"context"
-	"net"
-
-	"github.com/sagernet/sing/common/logger"
-	M "github.com/sagernet/sing/common/metadata"
-	N "github.com/sagernet/sing/common/network"
-)
-
-type ConnectionRouter interface {
-	RouteConnection(ctx context.Context, conn net.Conn, metadata InboundContext) error
-	RoutePacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext) error
-}
-
-func NewRouteHandler(
-	metadata InboundContext,
-	router ConnectionRouter,
-	logger logger.ContextLogger,
-) UpstreamHandlerAdapter {
-	return &routeHandlerWrapper{
-		metadata: metadata,
-		router:   router,
-		logger:   logger,
-	}
-}
-
-func NewRouteContextHandler(
-	router ConnectionRouter,
-	logger logger.ContextLogger,
-) UpstreamHandlerAdapter {
-	return &routeContextHandlerWrapper{
-		router: router,
-		logger: logger,
-	}
-}
-
-var _ UpstreamHandlerAdapter = (*routeHandlerWrapper)(nil)
-
-type routeHandlerWrapper struct {
-	metadata InboundContext
-	router   ConnectionRouter
-	logger   logger.ContextLogger
-}
-
-func (w *routeHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
-	myMetadata := w.metadata
-	if metadata.Source.IsValid() {
-		myMetadata.Source = metadata.Source
-	}
-	if metadata.Destination.IsValid() {
-		myMetadata.Destination = metadata.Destination
-	}
-	return w.router.RouteConnection(ctx, conn, myMetadata)
-}
-
-func (w *routeHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
-	myMetadata := w.metadata
-	if metadata.Source.IsValid() {
-		myMetadata.Source = metadata.Source
-	}
-	if metadata.Destination.IsValid() {
-		myMetadata.Destination = metadata.Destination
-	}
-	return w.router.RoutePacketConnection(ctx, conn, myMetadata)
-}
-
-func (w *routeHandlerWrapper) NewError(ctx context.Context, err error) {
-	w.logger.ErrorContext(ctx, err)
-}
-
-var _ UpstreamHandlerAdapter = (*routeContextHandlerWrapper)(nil)
-
-type routeContextHandlerWrapper struct {
-	router ConnectionRouter
-	logger logger.ContextLogger
-}
-
-func (w *routeContextHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
-	myMetadata := ContextFrom(ctx)
-	if metadata.Source.IsValid() {
-		myMetadata.Source = metadata.Source
-	}
-	if metadata.Destination.IsValid() {
-		myMetadata.Destination = metadata.Destination
-	}
-	return w.router.RouteConnection(ctx, conn, *myMetadata)
-}
-
-func (w *routeContextHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
-	myMetadata := ContextFrom(ctx)
-	if metadata.Source.IsValid() {
-		myMetadata.Source = metadata.Source
-	}
-	if metadata.Destination.IsValid() {
-		myMetadata.Destination = metadata.Destination
-	}
-	return w.router.RoutePacketConnection(ctx, conn, *myMetadata)
-}
-
-func (w *routeContextHandlerWrapper) NewError(ctx context.Context, err error) {
-	w.logger.ErrorContext(ctx, err)
-}

adapter/experimental.go

@@ -4,13 +4,13 @@ import (
 	"bytes"
 	"context"
 	"encoding/binary"
-	"io"
 	"net"
 	"time"
 
 	"github.com/sagernet/sing-box/common/urltest"
+	"github.com/sagernet/sing-dns"
 	N "github.com/sagernet/sing/common/network"
-	"github.com/sagernet/sing/common/rw"
+	"github.com/sagernet/sing/common/varbin"
 )
 
 type ClashServer interface {
@@ -30,6 +30,9 @@ type CacheFile interface {
 	StoreFakeIP() bool
 	FakeIPStorage
 
+	StoreRDRC() bool
+	dns.RDRCStore
+
 	LoadMode() string
 	StoreMode(mode string) error
 	LoadSelected(group string) string
@@ -52,16 +55,15 @@ func (s *SavedRuleSet) MarshalBinary() ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	err = rw.WriteUVariant(&buffer, uint64(len(s.Content)))
+	err = varbin.Write(&buffer, binary.BigEndian, s.Content)
 	if err != nil {
 		return nil, err
 	}
-	buffer.Write(s.Content)
 	err = binary.Write(&buffer, binary.BigEndian, s.LastUpdated.Unix())
 	if err != nil {
 		return nil, err
 	}
-	err = rw.WriteVString(&buffer, s.LastEtag)
+	err = varbin.Write(&buffer, binary.BigEndian, s.LastEtag)
 	if err != nil {
 		return nil, err
 	}
@@ -75,12 +77,7 @@ func (s *SavedRuleSet) UnmarshalBinary(data []byte) error {
 	if err != nil {
 		return err
 	}
-	contentLen, err := rw.ReadUVariant(reader)
-	if err != nil {
-		return err
-	}
-	s.Content = make([]byte, contentLen)
-	_, err = io.ReadFull(reader, s.Content)
+	err = varbin.Read(reader, binary.BigEndian, &s.Content)
 	if err != nil {
 		return err
 	}
@@ -90,7 +87,7 @@ func (s *SavedRuleSet) UnmarshalBinary(data []byte) error {
 		return err
 	}
 	s.LastUpdated = time.Unix(lastUpdated, 0)
-	s.LastEtag, err = rw.ReadVString(reader)
+	err = varbin.Read(reader, binary.BigEndian, &s.LastEtag)
 	if err != nil {
 		return err
 	}
@@ -109,7 +106,7 @@ type OutboundGroup interface {
 
 type URLTestGroup interface {
 	OutboundGroup
-	URLTest(ctx context.Context, url string) (map[string]uint16, error)
+	URLTest(ctx context.Context) (map[string]uint16, error)
 }
 
 func OutboundTag(detour Outbound) string {

adapter/handler.go

@@ -6,27 +6,53 @@ import (
 
 	"github.com/sagernet/sing/common/buf"
 	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 )
 
+// Deprecated
 type ConnectionHandler interface {
 	NewConnection(ctx context.Context, conn net.Conn, metadata InboundContext) error
 }
 
+type ConnectionHandlerEx interface {
+	NewConnectionEx(ctx context.Context, conn net.Conn, metadata InboundContext, onClose N.CloseHandlerFunc)
+}
+
+// Deprecated: use PacketHandlerEx instead
 type PacketHandler interface {
 	NewPacket(ctx context.Context, conn N.PacketConn, buffer *buf.Buffer, metadata InboundContext) error
 }
 
+type PacketHandlerEx interface {
+	NewPacketEx(buffer *buf.Buffer, source M.Socksaddr)
+}
+
+// Deprecated: use OOBPacketHandlerEx instead
 type OOBPacketHandler interface {
 	NewPacket(ctx context.Context, conn N.PacketConn, buffer *buf.Buffer, oob []byte, metadata InboundContext) error
 }
 
+type OOBPacketHandlerEx interface {
+	NewPacketEx(buffer *buf.Buffer, oob []byte, source M.Socksaddr)
+}
+
+// Deprecated
 type PacketConnectionHandler interface {
 	NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext) error
 }
 
+type PacketConnectionHandlerEx interface {
+	NewPacketConnectionEx(ctx context.Context, conn N.PacketConn, metadata InboundContext, onClose N.CloseHandlerFunc)
+}
+
 type UpstreamHandlerAdapter interface {
 	N.TCPConnectionHandler
 	N.UDPConnectionHandler
 	E.Handler
 }
+
+type UpstreamHandlerAdapterEx interface {
+	N.TCPConnectionHandlerEx
+	N.UDPConnectionHandlerEx
+}

adapter/inbound.go

@@ -2,13 +2,12 @@ package adapter
 
 import (
 	"context"
-	"net"
 	"net/netip"
 
 	"github.com/sagernet/sing-box/common/process"
+	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	M "github.com/sagernet/sing/common/metadata"
-	N "github.com/sagernet/sing/common/network"
 )
 
 type Inbound interface {
@@ -17,11 +16,19 @@ type Inbound interface {
 	Tag() string
 }
 
-type InjectableInbound interface {
+type TCPInjectableInbound interface {
 	Inbound
-	Network() []string
-	NewConnection(ctx context.Context, conn net.Conn, metadata InboundContext) error
-	NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext) error
+	ConnectionHandlerEx
+}
+
+type UDPInjectableInbound interface {
+	Inbound
+	PacketConnectionHandlerEx
+}
+
+type InboundRegistry interface {
+	option.InboundOptionsRegistry
+	CreateInbound(ctx context.Context, router Router, logger log.ContextLogger, tag string, outboundType string, options any) (Inbound, error)
 }
 
 type InboundContext struct {
@@ -31,17 +38,27 @@ type InboundContext struct {
 	Network     string
 	Source      M.Socksaddr
 	Destination M.Socksaddr
-	Domain      string
-	Protocol    string
 	User        string
 	Outbound    string
 
+	// sniffer
+
+	Protocol     string
+	Domain       string
+	Client       string
+	SniffContext any
+
 	// cache
 
-	InboundDetour        string
-	LastInbound          string
-	OriginDestination    M.Socksaddr
-	InboundOptions       option.InboundOptions
+	// Deprecated: implement in rule action
+	InboundDetour     string
+	LastInbound       string
+	OriginDestination M.Socksaddr
+	// Deprecated
+	InboundOptions            option.InboundOptions
+	UDPDisableDomainUnmapping bool
+	DNSServer                 string
+
 	DestinationAddresses []netip.Addr
 	SourceGeoIPCode      string
 	GeoIPCode            string
@@ -51,19 +68,25 @@ type InboundContext struct {
 
 	// rule cache
 
-	IPCIDRMatchSource       bool
-	SourceAddressMatch      bool
-	SourcePortMatch         bool
-	DestinationAddressMatch bool
-	DestinationPortMatch    bool
+	IPCIDRMatchSource bool
+	IPCIDRAcceptEmpty bool
+
+	SourceAddressMatch           bool
+	SourcePortMatch              bool
+	DestinationAddressMatch      bool
+	DestinationPortMatch         bool
+	DidMatch                     bool
+	IgnoreDestinationIPCIDRMatch bool
 }
 
 func (c *InboundContext) ResetRuleCache() {
 	c.IPCIDRMatchSource = false
+	c.IPCIDRAcceptEmpty = false
 	c.SourceAddressMatch = false
 	c.SourcePortMatch = false
 	c.DestinationAddressMatch = false
 	c.DestinationPortMatch = false
+	c.DidMatch = false
 }
 
 type inboundContextKey struct{}
@@ -80,15 +103,6 @@ func ContextFrom(ctx context.Context) *InboundContext {
 	return metadata.(*InboundContext)
 }
 
-func AppendContext(ctx context.Context) (context.Context, *InboundContext) {
-	metadata := ContextFrom(ctx)
-	if metadata != nil {
-		return ctx, metadata
-	}
-	metadata = new(InboundContext)
-	return WithContext(ctx, metadata), metadata
-}
-
 func ExtendContext(ctx context.Context) (context.Context, *InboundContext) {
 	var newMetadata InboundContext
 	if metadata := ContextFrom(ctx); metadata != nil {
@@ -96,3 +110,12 @@ func ExtendContext(ctx context.Context) (context.Context, *InboundContext) {
 	}
 	return WithContext(ctx, &newMetadata), &newMetadata
 }
+
+func OverrideContext(ctx context.Context) context.Context {
+	if metadata := ContextFrom(ctx); metadata != nil {
+		var newMetadata InboundContext
+		newMetadata = *metadata
+		return WithContext(ctx, &newMetadata)
+	}
+	return ctx
+}

adapter/inbound/adapter.go

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

adapter/inbound/registry.go

@@ -0,0 +1,68 @@
+package inbound
+
+import (
+	"context"
+	"sync"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+type ConstructorFunc[T any] func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options T) (adapter.Inbound, error)
+
+func Register[Options any](registry *Registry, outboundType string, constructor ConstructorFunc[Options]) {
+	registry.register(outboundType, func() any {
+		return new(Options)
+	}, func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options any) (adapter.Inbound, error) {
+		return constructor(ctx, router, logger, tag, common.PtrValueOrDefault(options.(*Options)))
+	})
+}
+
+var _ adapter.InboundRegistry = (*Registry)(nil)
+
+type (
+	optionsConstructorFunc func() any
+	constructorFunc        func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options any) (adapter.Inbound, error)
+)
+
+type Registry struct {
+	access       sync.Mutex
+	optionsType  map[string]optionsConstructorFunc
+	constructors map[string]constructorFunc
+}
+
+func NewRegistry() *Registry {
+	return &Registry{
+		optionsType:  make(map[string]optionsConstructorFunc),
+		constructors: make(map[string]constructorFunc),
+	}
+}
+
+func (r *Registry) CreateOptions(outboundType string) (any, bool) {
+	r.access.Lock()
+	defer r.access.Unlock()
+	optionsConstructor, loaded := r.optionsType[outboundType]
+	if !loaded {
+		return nil, false
+	}
+	return optionsConstructor(), true
+}
+
+func (r *Registry) CreateInbound(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, outboundType string, options any) (adapter.Inbound, error) {
+	r.access.Lock()
+	defer r.access.Unlock()
+	constructor, loaded := r.constructors[outboundType]
+	if !loaded {
+		return nil, E.New("outbound type not found: " + outboundType)
+	}
+	return constructor(ctx, router, logger, tag, options)
+}
+
+func (r *Registry) register(outboundType string, optionsConstructor optionsConstructorFunc, constructor constructorFunc) {
+	r.access.Lock()
+	defer r.access.Unlock()
+	r.optionsType[outboundType] = optionsConstructor
+	r.constructors[outboundType] = constructor
+}

adapter/outbound.go

@@ -2,8 +2,9 @@ package adapter
 
 import (
 	"context"
-	"net"
 
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
 	N "github.com/sagernet/sing/common/network"
 )
 
@@ -15,6 +16,9 @@ type Outbound interface {
 	Network() []string
 	Dependencies() []string
 	N.Dialer
-	NewConnection(ctx context.Context, conn net.Conn, metadata InboundContext) error
-	NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext) error
+}
+
+type OutboundRegistry interface {
+	option.OutboundOptionsRegistry
+	CreateOutbound(ctx context.Context, router Router, logger log.ContextLogger, tag string, outboundType string, options any) (Outbound, error)
 }

adapter/outbound/adapter.go

@@ -0,0 +1,45 @@
+package outbound
+
+import (
+	"github.com/sagernet/sing-box/option"
+)
+
+type Adapter struct {
+	protocol     string
+	network      []string
+	tag          string
+	dependencies []string
+}
+
+func NewAdapter(protocol string, network []string, tag string, dependencies []string) Adapter {
+	return Adapter{
+		protocol:     protocol,
+		network:      network,
+		tag:          tag,
+		dependencies: dependencies,
+	}
+}
+
+func NewAdapterWithDialerOptions(protocol string, network []string, tag string, dialOptions option.DialerOptions) Adapter {
+	var dependencies []string
+	if dialOptions.Detour != "" {
+		dependencies = []string{dialOptions.Detour}
+	}
+	return NewAdapter(protocol, network, tag, dependencies)
+}
+
+func (a *Adapter) Type() string {
+	return a.protocol
+}
+
+func (a *Adapter) Tag() string {
+	return a.tag
+}
+
+func (a *Adapter) Network() []string {
+	return a.network
+}
+
+func (a *Adapter) Dependencies() []string {
+	return a.dependencies
+}

adapter/outbound/default.go

@@ -9,8 +9,6 @@ import (
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing-dns"
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/buf"
@@ -21,42 +19,6 @@ import (
 	N "github.com/sagernet/sing/common/network"
 )
 
-type myOutboundAdapter struct {
-	protocol     string
-	network      []string
-	router       adapter.Router
-	logger       log.ContextLogger
-	tag          string
-	dependencies []string
-}
-
-func (a *myOutboundAdapter) Type() string {
-	return a.protocol
-}
-
-func (a *myOutboundAdapter) Tag() string {
-	return a.tag
-}
-
-func (a *myOutboundAdapter) Network() []string {
-	return a.network
-}
-
-func (a *myOutboundAdapter) Dependencies() []string {
-	return a.dependencies
-}
-
-func (a *myOutboundAdapter) NewError(ctx context.Context, err error) {
-	NewError(a.logger, ctx, err)
-}
-
-func withDialerDependency(options option.DialerOptions) []string {
-	if options.Detour != "" {
-		return []string{options.Detour}
-	}
-	return nil
-}
-
 func NewConnection(ctx context.Context, this N.Dialer, conn net.Conn, metadata adapter.InboundContext) error {
 	ctx = adapter.WithContext(ctx, &metadata)
 	var outConn net.Conn
@@ -69,7 +31,7 @@ func NewConnection(ctx context.Context, this N.Dialer, conn net.Conn, metadata a
 	if err != nil {
 		return N.ReportHandshakeFailure(conn, err)
 	}
-	err = N.ReportHandshakeSuccess(conn)
+	err = N.ReportConnHandshakeSuccess(conn, outConn)
 	if err != nil {
 		outConn.Close()
 		return err
@@ -96,7 +58,7 @@ func NewDirectConnection(ctx context.Context, router adapter.Router, this N.Dial
 	if err != nil {
 		return N.ReportHandshakeFailure(conn, err)
 	}
-	err = N.ReportHandshakeSuccess(conn)
+	err = N.ReportConnHandshakeSuccess(conn, outConn)
 	if err != nil {
 		outConn.Close()
 		return err
@@ -117,14 +79,14 @@ func NewPacketConnection(ctx context.Context, this N.Dialer, conn N.PacketConn,
 	if err != nil {
 		return N.ReportHandshakeFailure(conn, err)
 	}
-	err = N.ReportHandshakeSuccess(conn)
+	err = N.ReportPacketConnHandshakeSuccess(conn, outConn)
 	if err != nil {
 		outConn.Close()
 		return err
 	}
 	if destinationAddress.IsValid() {
 		if metadata.Destination.IsFqdn() {
-			if metadata.InboundOptions.UDPDisableDomainUnmapping {
+			if metadata.UDPDisableDomainUnmapping {
 				outConn = bufio.NewUnidirectionalNATPacketConn(bufio.NewPacketConn(outConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), metadata.Destination)
 			} else {
 				outConn = bufio.NewNATPacketConn(bufio.NewPacketConn(outConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), metadata.Destination)
@@ -165,7 +127,7 @@ func NewDirectPacketConnection(ctx context.Context, router adapter.Router, this
 	if err != nil {
 		return N.ReportHandshakeFailure(conn, err)
 	}
-	err = N.ReportHandshakeSuccess(conn)
+	err = N.ReportPacketConnHandshakeSuccess(conn, outConn)
 	if err != nil {
 		outConn.Close()
 		return err
@@ -233,12 +195,3 @@ func CopyEarlyConn(ctx context.Context, conn net.Conn, serverConn net.Conn) erro
 	}
 	return bufio.CopyConn(ctx, conn, serverConn)
 }
-
-func NewError(logger log.ContextLogger, ctx context.Context, err error) {
-	common.Close(err)
-	if E.IsClosedOrCanceled(err) {
-		logger.DebugContext(ctx, "connection closed: ", err)
-		return
-	}
-	logger.ErrorContext(ctx, err)
-}

adapter/outbound/registry.go

@@ -0,0 +1,68 @@
+package outbound
+
+import (
+	"context"
+	"sync"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+type ConstructorFunc[T any] func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options T) (adapter.Outbound, error)
+
+func Register[Options any](registry *Registry, outboundType string, constructor ConstructorFunc[Options]) {
+	registry.register(outboundType, func() any {
+		return new(Options)
+	}, func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options any) (adapter.Outbound, error) {
+		return constructor(ctx, router, logger, tag, common.PtrValueOrDefault(options.(*Options)))
+	})
+}
+
+var _ adapter.OutboundRegistry = (*Registry)(nil)
+
+type (
+	optionsConstructorFunc func() any
+	constructorFunc        func(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options any) (adapter.Outbound, error)
+)
+
+type Registry struct {
+	access       sync.Mutex
+	optionsType  map[string]optionsConstructorFunc
+	constructors map[string]constructorFunc
+}
+
+func NewRegistry() *Registry {
+	return &Registry{
+		optionsType:  make(map[string]optionsConstructorFunc),
+		constructors: make(map[string]constructorFunc),
+	}
+}
+
+func (r *Registry) CreateOptions(outboundType string) (any, bool) {
+	r.access.Lock()
+	defer r.access.Unlock()
+	optionsConstructor, loaded := r.optionsType[outboundType]
+	if !loaded {
+		return nil, false
+	}
+	return optionsConstructor(), true
+}
+
+func (r *Registry) CreateOutbound(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, outboundType string, options any) (adapter.Outbound, error) {
+	r.access.Lock()
+	defer r.access.Unlock()
+	constructor, loaded := r.constructors[outboundType]
+	if !loaded {
+		return nil, E.New("outbound type not found: " + outboundType)
+	}
+	return constructor(ctx, router, logger, tag, options)
+}
+
+func (r *Registry) register(outboundType string, optionsConstructor optionsConstructorFunc, constructor constructorFunc) {
+	r.access.Lock()
+	defer r.access.Unlock()
+	r.optionsType[outboundType] = optionsConstructor
+	r.constructors[outboundType] = constructor
+}

adapter/router.go

@@ -2,22 +2,30 @@ package adapter
 
 import (
 	"context"
+	"net"
 	"net/http"
 	"net/netip"
+	"sync"
 
 	"github.com/sagernet/sing-box/common/geoip"
+	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-dns"
 	"github.com/sagernet/sing-tun"
 	"github.com/sagernet/sing/common/control"
+	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
+	"github.com/sagernet/sing/common/x/list"
 	"github.com/sagernet/sing/service"
 
 	mdns "github.com/miekg/dns"
+	"go4.org/netipx"
 )
 
 type Router interface {
 	Service
+	PreStarter
 	PostStarter
+	Cleanup() error
 
 	Outbounds() []Outbound
 	Outbound(tag string) (Outbound, bool)
@@ -26,12 +34,16 @@ type Router interface {
 	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)
@@ -42,7 +54,9 @@ type Router interface {
 	DefaultInterface() string
 	AutoDetectInterface() bool
 	AutoDetectInterfaceFunc() control.Func
-	DefaultMark() int
+	DefaultMark() uint32
+	RegisterAutoRedirectOutputMark(mark uint32) error
+	AutoRedirectOutputMark() uint32
 	NetworkMonitor() tun.NetworkUpdateMonitor
 	InterfaceMonitor() tun.DefaultInterfaceMonitor
 	PackageManager() tun.PackageManager
@@ -58,6 +72,18 @@ type Router interface {
 	ResetNetwork() error
 }
 
+// Deprecated: Use ConnectionRouterEx instead.
+type ConnectionRouter interface {
+	RouteConnection(ctx context.Context, conn net.Conn, metadata InboundContext) error
+	RoutePacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext) error
+}
+
+type ConnectionRouterEx interface {
+	ConnectionRouter
+	RouteConnectionEx(ctx context.Context, conn net.Conn, metadata InboundContext, onClose N.CloseHandlerFunc)
+	RoutePacketConnectionEx(ctx context.Context, conn N.PacketConn, metadata InboundContext, onClose N.CloseHandlerFunc)
+}
+
 func ContextWithRouter(ctx context.Context, router Router) context.Context {
 	return service.ContextWith(ctx, router)
 }
@@ -66,35 +92,64 @@ func RouterFromContext(ctx context.Context) Router {
 	return service.FromContext[Router](ctx)
 }
 
-type HeadlessRule interface {
-	Match(metadata *InboundContext) bool
-}
-
-type Rule interface {
-	HeadlessRule
-	Service
-	Type() string
-	UpdateGeosite() error
-	Outbound() string
-	String() string
-}
-
-type DNSRule interface {
-	Rule
-	DisableCache() bool
-	RewriteTTL() *uint32
-}
-
 type RuleSet interface {
-	StartContext(ctx context.Context, startContext RuleSetStartContext) error
+	Name() string
+	StartContext(ctx context.Context, startContext *HTTPStartContext) error
 	PostStart() error
+	Metadata() RuleSetMetadata
+	ExtractIPSet() []*netipx.IPSet
+	IncRef()
+	DecRef()
+	Cleanup()
+	RegisterCallback(callback RuleSetUpdateCallback) *list.Element[RuleSetUpdateCallback]
+	UnregisterCallback(element *list.Element[RuleSetUpdateCallback])
 	Close() error
 	HeadlessRule
 }
 
-type RuleSetStartContext interface {
-	HTTPClient(detour string, dialer N.Dialer) *http.Client
-	Close()
+type RuleSetUpdateCallback func(it RuleSet)
+
+type RuleSetMetadata struct {
+	ContainsProcessRule bool
+	ContainsWIFIRule    bool
+	ContainsIPCIDRRule  bool
+}
+type HTTPStartContext struct {
+	access          sync.Mutex
+	httpClientCache map[string]*http.Client
+}
+
+func NewHTTPStartContext() *HTTPStartContext {
+	return &HTTPStartContext{
+		httpClientCache: make(map[string]*http.Client),
+	}
+}
+
+func (c *HTTPStartContext) HTTPClient(detour string, dialer N.Dialer) *http.Client {
+	c.access.Lock()
+	defer c.access.Unlock()
+	if httpClient, loaded := c.httpClientCache[detour]; loaded {
+		return httpClient
+	}
+	httpClient := &http.Client{
+		Transport: &http.Transport{
+			ForceAttemptHTTP2:   true,
+			TLSHandshakeTimeout: C.TCPTimeout,
+			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
+				return dialer.DialContext(ctx, network, M.ParseSocksaddr(addr))
+			},
+		},
+	}
+	c.httpClientCache[detour] = httpClient
+	return httpClient
+}
+
+func (c *HTTPStartContext) Close() {
+	c.access.Lock()
+	defer c.access.Unlock()
+	for _, client := range c.httpClientCache {
+		client.CloseIdleConnections()
+	}
 }
 
 type InterfaceUpdateListener interface {

adapter/rule.go

@@ -0,0 +1,38 @@
+package adapter
+
+import (
+	C "github.com/sagernet/sing-box/constant"
+)
+
+type HeadlessRule interface {
+	Match(metadata *InboundContext) bool
+	String() string
+}
+
+type Rule interface {
+	HeadlessRule
+	Service
+	Type() string
+	UpdateGeosite() error
+	Action() RuleAction
+}
+
+type DNSRule interface {
+	Rule
+	WithAddressLimit() bool
+	MatchAddressLimit(metadata *InboundContext) bool
+}
+
+type RuleAction interface {
+	Type() string
+	String() string
+}
+
+func IsFinalAction(action RuleAction) bool {
+	switch action.Type() {
+	case C.RuleActionTypeSniff, C.RuleActionTypeResolve:
+		return false
+	default:
+		return true
+	}
+}

adapter/upstream.go

@@ -4,112 +4,165 @@ import (
 	"context"
 	"net"
 
-	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 )
 
 type (
-	ConnectionHandlerFunc       = func(ctx context.Context, conn net.Conn, metadata InboundContext) error
-	PacketConnectionHandlerFunc = func(ctx context.Context, conn N.PacketConn, metadata InboundContext) error
+	ConnectionHandlerFuncEx       = func(ctx context.Context, conn net.Conn, metadata InboundContext, onClose N.CloseHandlerFunc)
+	PacketConnectionHandlerFuncEx = func(ctx context.Context, conn N.PacketConn, metadata InboundContext, onClose N.CloseHandlerFunc)
 )
 
-func NewUpstreamHandler(
+func NewUpstreamHandlerEx(
 	metadata InboundContext,
-	connectionHandler ConnectionHandlerFunc,
-	packetHandler PacketConnectionHandlerFunc,
-	errorHandler E.Handler,
-) UpstreamHandlerAdapter {
-	return &myUpstreamHandlerWrapper{
+	connectionHandler ConnectionHandlerFuncEx,
+	packetHandler PacketConnectionHandlerFuncEx,
+) UpstreamHandlerAdapterEx {
+	return &myUpstreamHandlerWrapperEx{
 		metadata:          metadata,
 		connectionHandler: connectionHandler,
 		packetHandler:     packetHandler,
-		errorHandler:      errorHandler,
 	}
 }
 
-var _ UpstreamHandlerAdapter = (*myUpstreamHandlerWrapper)(nil)
+var _ UpstreamHandlerAdapterEx = (*myUpstreamHandlerWrapperEx)(nil)
 
-type myUpstreamHandlerWrapper struct {
+type myUpstreamHandlerWrapperEx struct {
 	metadata          InboundContext
-	connectionHandler ConnectionHandlerFunc
-	packetHandler     PacketConnectionHandlerFunc
-	errorHandler      E.Handler
+	connectionHandler ConnectionHandlerFuncEx
+	packetHandler     PacketConnectionHandlerFuncEx
 }
 
-func (w *myUpstreamHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
+func (w *myUpstreamHandlerWrapperEx) NewConnectionEx(ctx context.Context, conn net.Conn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
 	myMetadata := w.metadata
-	if metadata.Source.IsValid() {
-		myMetadata.Source = metadata.Source
+	if source.IsValid() {
+		myMetadata.Source = source
 	}
-	if metadata.Destination.IsValid() {
-		myMetadata.Destination = metadata.Destination
+	if destination.IsValid() {
+		myMetadata.Destination = destination
 	}
-	return w.connectionHandler(ctx, conn, myMetadata)
+	w.connectionHandler(ctx, conn, myMetadata, onClose)
 }
 
-func (w *myUpstreamHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
+func (w *myUpstreamHandlerWrapperEx) NewPacketConnectionEx(ctx context.Context, conn N.PacketConn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
 	myMetadata := w.metadata
-	if metadata.Source.IsValid() {
-		myMetadata.Source = metadata.Source
+	if source.IsValid() {
+		myMetadata.Source = source
 	}
-	if metadata.Destination.IsValid() {
-		myMetadata.Destination = metadata.Destination
+	if destination.IsValid() {
+		myMetadata.Destination = destination
 	}
-	return w.packetHandler(ctx, conn, myMetadata)
+	w.packetHandler(ctx, conn, myMetadata, onClose)
 }
 
-func (w *myUpstreamHandlerWrapper) NewError(ctx context.Context, err error) {
-	w.errorHandler.NewError(ctx, err)
+var _ UpstreamHandlerAdapterEx = (*myUpstreamContextHandlerWrapperEx)(nil)
+
+type myUpstreamContextHandlerWrapperEx struct {
+	connectionHandler ConnectionHandlerFuncEx
+	packetHandler     PacketConnectionHandlerFuncEx
 }
 
-func UpstreamMetadata(metadata InboundContext) M.Metadata {
-	return M.Metadata{
-		Source:      metadata.Source,
-		Destination: metadata.Destination,
-	}
-}
-
-type myUpstreamContextHandlerWrapper struct {
-	connectionHandler ConnectionHandlerFunc
-	packetHandler     PacketConnectionHandlerFunc
-	errorHandler      E.Handler
-}
-
-func NewUpstreamContextHandler(
-	connectionHandler ConnectionHandlerFunc,
-	packetHandler PacketConnectionHandlerFunc,
-	errorHandler E.Handler,
-) UpstreamHandlerAdapter {
-	return &myUpstreamContextHandlerWrapper{
+func NewUpstreamContextHandlerEx(
+	connectionHandler ConnectionHandlerFuncEx,
+	packetHandler PacketConnectionHandlerFuncEx,
+) UpstreamHandlerAdapterEx {
+	return &myUpstreamContextHandlerWrapperEx{
 		connectionHandler: connectionHandler,
 		packetHandler:     packetHandler,
-		errorHandler:      errorHandler,
 	}
 }
 
-func (w *myUpstreamContextHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
+func (w *myUpstreamContextHandlerWrapperEx) NewConnectionEx(ctx context.Context, conn net.Conn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
 	myMetadata := ContextFrom(ctx)
-	if metadata.Source.IsValid() {
-		myMetadata.Source = metadata.Source
+	if source.IsValid() {
+		myMetadata.Source = source
 	}
-	if metadata.Destination.IsValid() {
-		myMetadata.Destination = metadata.Destination
+	if destination.IsValid() {
+		myMetadata.Destination = destination
 	}
-	return w.connectionHandler(ctx, conn, *myMetadata)
+	w.connectionHandler(ctx, conn, *myMetadata, onClose)
 }
 
-func (w *myUpstreamContextHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
+func (w *myUpstreamContextHandlerWrapperEx) NewPacketConnectionEx(ctx context.Context, conn N.PacketConn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
 	myMetadata := ContextFrom(ctx)
-	if metadata.Source.IsValid() {
-		myMetadata.Source = metadata.Source
+	if source.IsValid() {
+		myMetadata.Source = source
 	}
-	if metadata.Destination.IsValid() {
-		myMetadata.Destination = metadata.Destination
+	if destination.IsValid() {
+		myMetadata.Destination = destination
 	}
-	return w.packetHandler(ctx, conn, *myMetadata)
+	w.packetHandler(ctx, conn, *myMetadata, onClose)
 }
 
-func (w *myUpstreamContextHandlerWrapper) NewError(ctx context.Context, err error) {
-	w.errorHandler.NewError(ctx, err)
+func NewRouteHandlerEx(
+	metadata InboundContext,
+	router ConnectionRouterEx,
+) UpstreamHandlerAdapterEx {
+	return &routeHandlerWrapperEx{
+		metadata: metadata,
+		router:   router,
+	}
+}
+
+var _ UpstreamHandlerAdapterEx = (*routeHandlerWrapperEx)(nil)
+
+type routeHandlerWrapperEx struct {
+	metadata InboundContext
+	router   ConnectionRouterEx
+}
+
+func (r *routeHandlerWrapperEx) NewConnectionEx(ctx context.Context, conn net.Conn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
+	if source.IsValid() {
+		r.metadata.Source = source
+	}
+	if destination.IsValid() {
+		r.metadata.Destination = destination
+	}
+	r.router.RouteConnectionEx(ctx, conn, r.metadata, onClose)
+}
+
+func (r *routeHandlerWrapperEx) NewPacketConnectionEx(ctx context.Context, conn N.PacketConn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
+	if source.IsValid() {
+		r.metadata.Source = source
+	}
+	if destination.IsValid() {
+		r.metadata.Destination = destination
+	}
+	r.router.RoutePacketConnectionEx(ctx, conn, r.metadata, onClose)
+}
+
+func NewRouteContextHandlerEx(
+	router ConnectionRouterEx,
+) UpstreamHandlerAdapterEx {
+	return &routeContextHandlerWrapperEx{
+		router: router,
+	}
+}
+
+var _ UpstreamHandlerAdapterEx = (*routeContextHandlerWrapperEx)(nil)
+
+type routeContextHandlerWrapperEx struct {
+	router ConnectionRouterEx
+}
+
+func (r *routeContextHandlerWrapperEx) NewConnectionEx(ctx context.Context, conn net.Conn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
+	metadata := ContextFrom(ctx)
+	if source.IsValid() {
+		metadata.Source = source
+	}
+	if destination.IsValid() {
+		metadata.Destination = destination
+	}
+	r.router.RouteConnectionEx(ctx, conn, *metadata, onClose)
+}
+
+func (r *routeContextHandlerWrapperEx) NewPacketConnectionEx(ctx context.Context, conn N.PacketConn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
+	metadata := ContextFrom(ctx)
+	if source.IsValid() {
+		metadata.Source = source
+	}
+	if destination.IsValid() {
+		metadata.Destination = destination
+	}
+	r.router.RoutePacketConnectionEx(ctx, conn, *metadata, onClose)
 }

adapter/upstream_legacy.go

@@ -0,0 +1,216 @@
+package adapter
+
+import (
+	"context"
+	"net"
+
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/logger"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+)
+
+type (
+	// Deprecated
+	ConnectionHandlerFunc = func(ctx context.Context, conn net.Conn, metadata InboundContext) error
+	// Deprecated
+	PacketConnectionHandlerFunc = func(ctx context.Context, conn N.PacketConn, metadata InboundContext) error
+)
+
+// Deprecated
+func NewUpstreamHandler(
+	metadata InboundContext,
+	connectionHandler ConnectionHandlerFunc,
+	packetHandler PacketConnectionHandlerFunc,
+	errorHandler E.Handler,
+) UpstreamHandlerAdapter {
+	return &myUpstreamHandlerWrapper{
+		metadata:          metadata,
+		connectionHandler: connectionHandler,
+		packetHandler:     packetHandler,
+		errorHandler:      errorHandler,
+	}
+}
+
+var _ UpstreamHandlerAdapter = (*myUpstreamHandlerWrapper)(nil)
+
+// Deprecated
+type myUpstreamHandlerWrapper struct {
+	metadata          InboundContext
+	connectionHandler ConnectionHandlerFunc
+	packetHandler     PacketConnectionHandlerFunc
+	errorHandler      E.Handler
+}
+
+func (w *myUpstreamHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
+	myMetadata := w.metadata
+	if metadata.Source.IsValid() {
+		myMetadata.Source = metadata.Source
+	}
+	if metadata.Destination.IsValid() {
+		myMetadata.Destination = metadata.Destination
+	}
+	return w.connectionHandler(ctx, conn, myMetadata)
+}
+
+func (w *myUpstreamHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
+	myMetadata := w.metadata
+	if metadata.Source.IsValid() {
+		myMetadata.Source = metadata.Source
+	}
+	if metadata.Destination.IsValid() {
+		myMetadata.Destination = metadata.Destination
+	}
+	return w.packetHandler(ctx, conn, myMetadata)
+}
+
+func (w *myUpstreamHandlerWrapper) NewError(ctx context.Context, err error) {
+	w.errorHandler.NewError(ctx, err)
+}
+
+// Deprecated
+func UpstreamMetadata(metadata InboundContext) M.Metadata {
+	return M.Metadata{
+		Source:      metadata.Source,
+		Destination: metadata.Destination,
+	}
+}
+
+// Deprecated
+type myUpstreamContextHandlerWrapper struct {
+	connectionHandler ConnectionHandlerFunc
+	packetHandler     PacketConnectionHandlerFunc
+	errorHandler      E.Handler
+}
+
+// Deprecated
+func NewUpstreamContextHandler(
+	connectionHandler ConnectionHandlerFunc,
+	packetHandler PacketConnectionHandlerFunc,
+	errorHandler E.Handler,
+) UpstreamHandlerAdapter {
+	return &myUpstreamContextHandlerWrapper{
+		connectionHandler: connectionHandler,
+		packetHandler:     packetHandler,
+		errorHandler:      errorHandler,
+	}
+}
+
+func (w *myUpstreamContextHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
+	myMetadata := ContextFrom(ctx)
+	if metadata.Source.IsValid() {
+		myMetadata.Source = metadata.Source
+	}
+	if metadata.Destination.IsValid() {
+		myMetadata.Destination = metadata.Destination
+	}
+	return w.connectionHandler(ctx, conn, *myMetadata)
+}
+
+func (w *myUpstreamContextHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
+	myMetadata := ContextFrom(ctx)
+	if metadata.Source.IsValid() {
+		myMetadata.Source = metadata.Source
+	}
+	if metadata.Destination.IsValid() {
+		myMetadata.Destination = metadata.Destination
+	}
+	return w.packetHandler(ctx, conn, *myMetadata)
+}
+
+func (w *myUpstreamContextHandlerWrapper) NewError(ctx context.Context, err error) {
+	w.errorHandler.NewError(ctx, err)
+}
+
+// Deprecated: Use ConnectionRouterEx instead.
+func NewRouteHandler(
+	metadata InboundContext,
+	router ConnectionRouter,
+	logger logger.ContextLogger,
+) UpstreamHandlerAdapter {
+	return &routeHandlerWrapper{
+		metadata: metadata,
+		router:   router,
+		logger:   logger,
+	}
+}
+
+// Deprecated: Use ConnectionRouterEx instead.
+func NewRouteContextHandler(
+	router ConnectionRouter,
+	logger logger.ContextLogger,
+) UpstreamHandlerAdapter {
+	return &routeContextHandlerWrapper{
+		router: router,
+		logger: logger,
+	}
+}
+
+var _ UpstreamHandlerAdapter = (*routeHandlerWrapper)(nil)
+
+// Deprecated: Use ConnectionRouterEx instead.
+type routeHandlerWrapper struct {
+	metadata InboundContext
+	router   ConnectionRouter
+	logger   logger.ContextLogger
+}
+
+func (w *routeHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
+	myMetadata := w.metadata
+	if metadata.Source.IsValid() {
+		myMetadata.Source = metadata.Source
+	}
+	if metadata.Destination.IsValid() {
+		myMetadata.Destination = metadata.Destination
+	}
+	return w.router.RouteConnection(ctx, conn, myMetadata)
+}
+
+func (w *routeHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
+	myMetadata := w.metadata
+	if metadata.Source.IsValid() {
+		myMetadata.Source = metadata.Source
+	}
+	if metadata.Destination.IsValid() {
+		myMetadata.Destination = metadata.Destination
+	}
+	return w.router.RoutePacketConnection(ctx, conn, myMetadata)
+}
+
+func (w *routeHandlerWrapper) NewError(ctx context.Context, err error) {
+	w.logger.ErrorContext(ctx, err)
+}
+
+var _ UpstreamHandlerAdapter = (*routeContextHandlerWrapper)(nil)
+
+// Deprecated: Use ConnectionRouterEx instead.
+type routeContextHandlerWrapper struct {
+	router ConnectionRouter
+	logger logger.ContextLogger
+}
+
+func (w *routeContextHandlerWrapper) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
+	myMetadata := ContextFrom(ctx)
+	if metadata.Source.IsValid() {
+		myMetadata.Source = metadata.Source
+	}
+	if metadata.Destination.IsValid() {
+		myMetadata.Destination = metadata.Destination
+	}
+	return w.router.RouteConnection(ctx, conn, *myMetadata)
+}
+
+func (w *routeContextHandlerWrapper) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
+	myMetadata := ContextFrom(ctx)
+	if metadata.Source.IsValid() {
+		myMetadata.Source = metadata.Source
+	}
+	if metadata.Destination.IsValid() {
+		myMetadata.Destination = metadata.Destination
+	}
+	return w.router.RoutePacketConnection(ctx, conn, *myMetadata)
+}
+
+func (w *routeContextHandlerWrapper) NewError(ctx context.Context, err error) {
+	w.logger.ErrorContext(ctx, err)
+}

adapter/v2ray.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"net"
 
-	E "github.com/sagernet/sing/common/exceptions"
 	N "github.com/sagernet/sing/common/network"
 )
 
@@ -16,10 +15,10 @@ type V2RayServerTransport interface {
 }
 
 type V2RayServerTransportHandler interface {
-	N.TCPConnectionHandler
-	E.Handler
+	N.TCPConnectionHandlerEx
 }
 
 type V2RayClientTransport interface {
 	DialContext(ctx context.Context) (net.Conn, error)
+	Close() error
 }

box.go

@@ -9,13 +9,14 @@ import (
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/taskmonitor"
+	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/experimental"
 	"github.com/sagernet/sing-box/experimental/cachefile"
 	"github.com/sagernet/sing-box/experimental/libbox/platform"
-	"github.com/sagernet/sing-box/inbound"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-box/outbound"
+	"github.com/sagernet/sing-box/protocol/direct"
 	"github.com/sagernet/sing-box/route"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
@@ -42,18 +43,39 @@ type Box struct {
 type Options struct {
 	option.Options
 	Context           context.Context
-	PlatformInterface platform.Interface
 	PlatformLogWriter log.PlatformWriter
 }
 
+func Context(ctx context.Context, inboundRegistry adapter.InboundRegistry, outboundRegistry adapter.OutboundRegistry) context.Context {
+	if service.FromContext[option.InboundOptionsRegistry](ctx) == nil ||
+		service.FromContext[adapter.InboundRegistry](ctx) == nil {
+		ctx = service.ContextWith[option.InboundOptionsRegistry](ctx, inboundRegistry)
+		ctx = service.ContextWith[adapter.InboundRegistry](ctx, inboundRegistry)
+	}
+	if service.FromContext[option.OutboundOptionsRegistry](ctx) == nil ||
+		service.FromContext[adapter.OutboundRegistry](ctx) == nil {
+		ctx = service.ContextWith[option.OutboundOptionsRegistry](ctx, outboundRegistry)
+		ctx = service.ContextWith[adapter.OutboundRegistry](ctx, outboundRegistry)
+	}
+	return ctx
+}
+
 func New(options Options) (*Box, error) {
 	createdAt := time.Now()
 	ctx := options.Context
 	if ctx == nil {
 		ctx = context.Background()
 	}
+	inboundRegistry := service.FromContext[adapter.InboundRegistry](ctx)
+	if inboundRegistry == nil {
+		return nil, E.New("missing inbound registry in context")
+	}
+	outboundRegistry := service.FromContext[adapter.OutboundRegistry](ctx)
+	if outboundRegistry == nil {
+		return nil, E.New("missing outbound registry in context")
+	}
 	ctx = service.ContextWithDefaultRegistry(ctx)
-	ctx = pause.ContextWithDefaultManager(ctx)
+	ctx = pause.WithDefaultManager(ctx)
 	experimentalOptions := common.PtrValueOrDefault(options.Experimental)
 	applyDebugOptions(common.PtrValueOrDefault(experimentalOptions.Debug))
 	var needCacheFile bool
@@ -68,8 +90,9 @@ func New(options Options) (*Box, error) {
 	if experimentalOptions.V2RayAPI != nil && experimentalOptions.V2RayAPI.Listen != "" {
 		needV2RayAPI = true
 	}
+	platformInterface := service.FromContext[platform.Interface](ctx)
 	var defaultLogWriter io.Writer
-	if options.PlatformInterface != nil {
+	if platformInterface != nil {
 		defaultLogWriter = io.Discard
 	}
 	logFactory, err := log.New(log.Options{
@@ -90,63 +113,92 @@ func New(options Options) (*Box, error) {
 		common.PtrValueOrDefault(options.DNS),
 		common.PtrValueOrDefault(options.NTP),
 		options.Inbounds,
-		options.PlatformInterface,
 	)
 	if err != nil {
 		return nil, E.Cause(err, "parse route options")
 	}
+	//nolint:staticcheck
+	if len(options.LegacyInbounds) > 0 {
+		for _, legacyInbound := range options.LegacyInbounds {
+			options.Inbounds = append(options.Inbounds, option.Inbound{
+				Type:    legacyInbound.Type,
+				Tag:     legacyInbound.Tag,
+				Options: common.Must1(legacyInbound.RawOptions()),
+			})
+		}
+	}
 	inbounds := make([]adapter.Inbound, 0, len(options.Inbounds))
+	//nolint:staticcheck
+	if len(options.LegacyOutbounds) > 0 {
+		for _, legacyOutbound := range options.LegacyOutbounds {
+			options.Outbounds = append(options.Outbounds, option.Outbound{
+				Type:    legacyOutbound.Type,
+				Tag:     legacyOutbound.Tag,
+				Options: common.Must1(legacyOutbound.RawOptions()),
+			})
+		}
+	}
 	outbounds := make([]adapter.Outbound, 0, len(options.Outbounds))
 	for i, inboundOptions := range options.Inbounds {
-		var in adapter.Inbound
+		var currentInbound adapter.Inbound
 		var tag string
 		if inboundOptions.Tag != "" {
 			tag = inboundOptions.Tag
 		} else {
 			tag = F.ToString(i)
 		}
-		in, err = inbound.New(
+		currentInbound, err = inboundRegistry.CreateInbound(
 			ctx,
 			router,
 			logFactory.NewLogger(F.ToString("inbound/", inboundOptions.Type, "[", tag, "]")),
-			inboundOptions,
-			options.PlatformInterface,
+			tag,
+			inboundOptions.Type,
+			inboundOptions.Options,
 		)
 		if err != nil {
 			return nil, E.Cause(err, "parse inbound[", i, "]")
 		}
-		inbounds = append(inbounds, in)
+		inbounds = append(inbounds, currentInbound)
 	}
 	for i, outboundOptions := range options.Outbounds {
-		var out adapter.Outbound
+		var currentOutbound adapter.Outbound
 		var tag string
 		if outboundOptions.Tag != "" {
 			tag = outboundOptions.Tag
 		} else {
 			tag = F.ToString(i)
 		}
-		out, err = outbound.New(
-			ctx,
+		outboundCtx := ctx
+		if tag != "" {
+			// TODO: remove this
+			outboundCtx = adapter.WithContext(outboundCtx, &adapter.InboundContext{
+				Outbound: tag,
+			})
+		}
+		currentOutbound, err = outboundRegistry.CreateOutbound(
+			outboundCtx,
 			router,
 			logFactory.NewLogger(F.ToString("outbound/", outboundOptions.Type, "[", tag, "]")),
 			tag,
-			outboundOptions)
+			outboundOptions.Type,
+			outboundOptions.Options,
+		)
 		if err != nil {
 			return nil, E.Cause(err, "parse outbound[", i, "]")
 		}
-		outbounds = append(outbounds, out)
+		outbounds = append(outbounds, currentOutbound)
 	}
 	err = router.Initialize(inbounds, outbounds, func() adapter.Outbound {
-		out, oErr := outbound.New(ctx, router, logFactory.NewLogger("outbound/direct"), "direct", option.Outbound{Type: "direct", Tag: "default"})
-		common.Must(oErr)
-		outbounds = append(outbounds, out)
-		return out
+		defaultOutbound, cErr := direct.NewOutbound(ctx, router, logFactory.NewLogger("outbound/direct"), "direct", option.DirectOutboundOptions{})
+		common.Must(cErr)
+		outbounds = append(outbounds, defaultOutbound)
+		return defaultOutbound
 	})
 	if err != nil {
 		return nil, err
 	}
-	if options.PlatformInterface != nil {
-		err = options.PlatformInterface.Initialize(ctx, router)
+	if platformInterface != nil {
+		err = platformInterface.Initialize(ctx, router)
 		if err != nil {
 			return nil, E.Cause(err, "initialize platform interface")
 		}
@@ -155,9 +207,12 @@ func New(options Options) (*Box, error) {
 	preServices2 := make(map[string]adapter.Service)
 	postServices := make(map[string]adapter.Service)
 	if needCacheFile {
-		cacheFile := cachefile.NewCacheFile(ctx, common.PtrValueOrDefault(experimentalOptions.CacheFile))
+		cacheFile := service.FromContext[adapter.CacheFile](ctx)
+		if cacheFile == nil {
+			cacheFile = cachefile.New(ctx, common.PtrValueOrDefault(experimentalOptions.CacheFile))
+			service.MustRegister[adapter.CacheFile](ctx, cacheFile)
+		}
 		preServices1["cache file"] = cacheFile
-		service.MustRegister[adapter.CacheFile](ctx, cacheFile)
 	}
 	if needClashAPI {
 		clashAPIOptions := common.PtrValueOrDefault(experimentalOptions.ClashAPI)
@@ -198,7 +253,7 @@ func (s *Box) PreStart() error {
 		defer func() {
 			v := recover()
 			if v != nil {
-				log.Error(E.Cause(err, "origin error"))
+				println(err.Error())
 				debug.PrintStack()
 				panic("panic on early close: " + fmt.Sprint(v))
 			}
@@ -217,9 +272,9 @@ func (s *Box) Start() error {
 		defer func() {
 			v := recover()
 			if v != nil {
-				log.Error(E.Cause(err, "origin error"))
+				println(err.Error())
 				debug.PrintStack()
-				panic("panic on early close: " + fmt.Sprint(v))
+				println("panic on early start: " + fmt.Sprint(v))
 			}
 		}()
 		s.Close()
@@ -230,25 +285,38 @@ func (s *Box) Start() error {
 }
 
 func (s *Box) preStart() error {
+	monitor := taskmonitor.New(s.logger, C.StartTimeout)
+	monitor.Start("start logger")
+	err := s.logFactory.Start()
+	monitor.Finish()
+	if err != nil {
+		return E.Cause(err, "start logger")
+	}
 	for serviceName, service := range s.preServices1 {
 		if preService, isPreService := service.(adapter.PreStarter); isPreService {
-			s.logger.Trace("pre-start ", serviceName)
+			monitor.Start("pre-start ", serviceName)
 			err := preService.PreStart()
+			monitor.Finish()
 			if err != nil {
-				return E.Cause(err, "pre-starting ", serviceName)
+				return E.Cause(err, "pre-start ", serviceName)
 			}
 		}
 	}
 	for serviceName, service := range s.preServices2 {
 		if preService, isPreService := service.(adapter.PreStarter); isPreService {
-			s.logger.Trace("pre-start ", serviceName)
+			monitor.Start("pre-start ", serviceName)
 			err := preService.PreStart()
+			monitor.Finish()
 			if err != nil {
-				return E.Cause(err, "pre-starting ", serviceName)
+				return E.Cause(err, "pre-start ", serviceName)
 			}
 		}
 	}
-	err := s.startOutbounds()
+	err = s.router.PreStart()
+	if err != nil {
+		return E.Cause(err, "pre-start router")
+	}
+	err = s.startOutbounds()
 	if err != nil {
 		return err
 	}
@@ -261,14 +329,12 @@ func (s *Box) start() error {
 		return err
 	}
 	for serviceName, service := range s.preServices1 {
-		s.logger.Trace("starting ", serviceName)
 		err = service.Start()
 		if err != nil {
 			return E.Cause(err, "start ", serviceName)
 		}
 	}
 	for serviceName, service := range s.preServices2 {
-		s.logger.Trace("starting ", serviceName)
 		err = service.Start()
 		if err != nil {
 			return E.Cause(err, "start ", serviceName)
@@ -281,35 +347,45 @@ func (s *Box) start() error {
 		} else {
 			tag = in.Tag()
 		}
-		s.logger.Trace("initializing inbound/", in.Type(), "[", tag, "]")
 		err = in.Start()
 		if err != nil {
 			return E.Cause(err, "initialize inbound/", in.Type(), "[", tag, "]")
 		}
 	}
-	return nil
+	err = s.postStart()
+	if err != nil {
+		return err
+	}
+	return s.router.Cleanup()
 }
 
 func (s *Box) postStart() error {
 	for serviceName, service := range s.postServices {
-		s.logger.Trace("starting ", service)
 		err := service.Start()
 		if err != nil {
 			return E.Cause(err, "start ", serviceName)
 		}
 	}
-	for serviceName, service := range s.outbounds {
-		if lateService, isLateService := service.(adapter.PostStarter); isLateService {
-			s.logger.Trace("post-starting ", service)
-			err := lateService.PostStart()
+	// TODO: reorganize ALL start order
+	for _, out := range s.outbounds {
+		if lateOutbound, isLateOutbound := out.(adapter.PostStarter); isLateOutbound {
+			err := lateOutbound.PostStart()
 			if err != nil {
-				return E.Cause(err, "post-start ", serviceName)
+				return E.Cause(err, "post-start outbound/", out.Tag())
 			}
 		}
 	}
 	err := s.router.PostStart()
 	if err != nil {
-		return E.Cause(err, "post-start router")
+		return err
+	}
+	for _, in := range s.inbounds {
+		if lateInbound, isLateInbound := in.(adapter.PostStarter); isLateInbound {
+			err = lateInbound.PostStart()
+			if err != nil {
+				return E.Cause(err, "post-start inbound/", in.Tag())
+			}
+		}
 	}
 	return nil
 }
@@ -321,47 +397,53 @@ func (s *Box) Close() error {
 	default:
 		close(s.done)
 	}
+	monitor := taskmonitor.New(s.logger, C.StopTimeout)
 	var errors error
 	for serviceName, service := range s.postServices {
-		s.logger.Trace("closing ", serviceName)
+		monitor.Start("close ", serviceName)
 		errors = E.Append(errors, service.Close(), func(err error) error {
 			return E.Cause(err, "close ", serviceName)
 		})
+		monitor.Finish()
 	}
 	for i, in := range s.inbounds {
-		s.logger.Trace("closing inbound/", in.Type(), "[", i, "]")
+		monitor.Start("close inbound/", in.Type(), "[", i, "]")
 		errors = E.Append(errors, in.Close(), func(err error) error {
 			return E.Cause(err, "close inbound/", in.Type(), "[", i, "]")
 		})
+		monitor.Finish()
 	}
 	for i, out := range s.outbounds {
-		s.logger.Trace("closing outbound/", out.Type(), "[", i, "]")
+		monitor.Start("close outbound/", out.Type(), "[", i, "]")
 		errors = E.Append(errors, common.Close(out), func(err error) error {
 			return E.Cause(err, "close outbound/", out.Type(), "[", i, "]")
 		})
+		monitor.Finish()
 	}
-	s.logger.Trace("closing router")
+	monitor.Start("close router")
 	if err := common.Close(s.router); err != nil {
 		errors = E.Append(errors, err, func(err error) error {
 			return E.Cause(err, "close router")
 		})
 	}
+	monitor.Finish()
 	for serviceName, service := range s.preServices1 {
-		s.logger.Trace("closing ", serviceName)
+		monitor.Start("close ", serviceName)
 		errors = E.Append(errors, service.Close(), func(err error) error {
 			return E.Cause(err, "close ", serviceName)
 		})
+		monitor.Finish()
 	}
 	for serviceName, service := range s.preServices2 {
-		s.logger.Trace("closing ", serviceName)
+		monitor.Start("close ", serviceName)
 		errors = E.Append(errors, service.Close(), func(err error) error {
 			return E.Cause(err, "close ", serviceName)
 		})
+		monitor.Finish()
 	}
-	s.logger.Trace("closing log factory")
 	if err := common.Close(s.logFactory); err != nil {
 		errors = E.Append(errors, err, func(err error) error {
-			return E.Cause(err, "close log factory")
+			return E.Cause(err, "close logger")
 		})
 	}
 	return errors

box_outbound.go

@@ -4,12 +4,15 @@ import (
 	"strings"
 
 	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/taskmonitor"
+	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
 	F "github.com/sagernet/sing/common/format"
 )
 
 func (s *Box) startOutbounds() error {
+	monitor := taskmonitor.New(s.logger, C.StartTimeout)
 	outboundTags := make(map[adapter.Outbound]string)
 	outbounds := make(map[string]adapter.Outbound)
 	for i, outboundToStart := range s.outbounds {
@@ -42,9 +45,12 @@ func (s *Box) startOutbounds() error {
 			}
 			started[outboundTag] = true
 			canContinue = true
-			if starter, isStarter := outboundToStart.(common.Starter); isStarter {
-				s.logger.Trace("initializing outbound/", outboundToStart.Type(), "[", outboundTag, "]")
+			if starter, isStarter := outboundToStart.(interface {
+				Start() error
+			}); isStarter {
+				monitor.Start("initialize outbound/", outboundToStart.Type(), "[", outboundTag, "]")
 				err := starter.Start()
+				monitor.Finish()
 				if err != nil {
 					return E.Cause(err, "initialize outbound/", outboundToStart.Type(), "[", outboundTag, "]")
 				}

cmd/internal/build_libbox/main.go

@@ -7,7 +7,7 @@ import (
 	"path/filepath"
 	"strings"
 
-	_ "github.com/sagernet/gomobile/event/key"
+	_ "github.com/sagernet/gomobile"
 	"github.com/sagernet/sing-box/cmd/internal/build_shared"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing/common/rw"
@@ -46,13 +46,13 @@ var (
 
 func init() {
 	sharedFlags = append(sharedFlags, "-trimpath")
-	sharedFlags = append(sharedFlags, "-ldflags")
+	sharedFlags = append(sharedFlags, "-buildvcs=false")
 	currentTag, err := build_shared.ReadTag()
 	if err != nil {
 		currentTag = "unknown"
 	}
-	sharedFlags = append(sharedFlags, "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -s -w -buildid=")
-	debugFlags = append(debugFlags, "-X github.com/sagernet/sing-box/constant.Version="+currentTag)
+	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_ech", "with_utls", "with_clash_api")
 	iosTags = append(iosTags, "with_dhcp", "with_low_memory", "with_conntrack")
@@ -93,7 +93,7 @@ func buildAndroid() {
 
 	const name = "libbox.aar"
 	copyPath := filepath.Join("..", "sing-box-for-android", "app", "libs")
-	if rw.FileExists(copyPath) {
+	if rw.IsDir(copyPath) {
 		copyPath, _ = filepath.Abs(copyPath)
 		err = rw.CopyFile(name, filepath.Join(copyPath, name))
 		if err != nil {
@@ -134,7 +134,7 @@ func buildiOS() {
 	}
 
 	copyPath := filepath.Join("..", "sing-box-for-apple")
-	if rw.FileExists(copyPath) {
+	if rw.IsDir(copyPath) {
 		targetDir := filepath.Join(copyPath, "Libbox.xcframework")
 		targetDir, _ = filepath.Abs(targetDir)
 		os.RemoveAll(targetDir)

cmd/internal/build_shared/sdk.go

@@ -11,7 +11,9 @@ import (
 
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/rw"
+	"github.com/sagernet/sing/common/shell"
 )
 
 var (
@@ -28,7 +30,7 @@ func FindSDK() {
 	}
 	for _, path := range searchPath {
 		path = os.ExpandEnv(path)
-		if rw.FileExists(path + "/licenses/android-sdk-license") {
+		if rw.IsFile(filepath.Join(path, "licenses", "android-sdk-license")) {
 			androidSDKPath = path
 			break
 		}
@@ -40,6 +42,14 @@ func FindSDK() {
 		log.Fatal("android NDK not found")
 	}
 
+	javaVersion, err := shell.Exec("java", "--version").ReadOutput()
+	if err != nil {
+		log.Fatal(E.Cause(err, "check java version"))
+	}
+	if !strings.Contains(javaVersion, "openjdk 17") {
+		log.Fatal("java version should be openjdk 17")
+	}
+
 	os.Setenv("ANDROID_HOME", androidSDKPath)
 	os.Setenv("ANDROID_SDK_HOME", androidSDKPath)
 	os.Setenv("ANDROID_NDK_HOME", androidNDKPath)
@@ -48,11 +58,13 @@ func FindSDK() {
 }
 
 func findNDK() bool {
-	if rw.FileExists(androidSDKPath + "/ndk/25.1.8937393") {
-		androidNDKPath = androidSDKPath + "/ndk/25.1.8937393"
+	const fixedVersion = "27.2.12479018"
+	const versionFile = "source.properties"
+	if fixedPath := filepath.Join(androidSDKPath, "ndk", fixedVersion); rw.IsFile(filepath.Join(fixedPath, versionFile)) {
+		androidNDKPath = fixedPath
 		return true
 	}
-	ndkVersions, err := os.ReadDir(androidSDKPath + "/ndk")
+	ndkVersions, err := os.ReadDir(filepath.Join(androidSDKPath, "ndk"))
 	if err != nil {
 		return false
 	}
@@ -73,8 +85,10 @@ func findNDK() bool {
 		return true
 	})
 	for _, versionName := range versionNames {
-		if rw.FileExists(androidSDKPath + "/ndk/" + versionName) {
-			androidNDKPath = androidSDKPath + "/ndk/" + versionName
+		currentNDKPath := filepath.Join(androidSDKPath, "ndk", versionName)
+		if rw.IsFile(filepath.Join(currentNDKPath, versionFile)) {
+			androidNDKPath = currentNDKPath
+			log.Warn("reproducibility warning: using NDK version " + versionName + " instead of " + fixedVersion)
 			return true
 		}
 	}
@@ -85,8 +99,14 @@ var GoBinPath string
 
 func FindMobile() {
 	goBin := filepath.Join(build.Default.GOPATH, "bin")
-	if !rw.FileExists(goBin + "/" + "gobind") {
-		log.Fatal("missing gomobile installation")
+	if runtime.GOOS == "windows" {
+		if !rw.IsFile(filepath.Join(goBin, "gobind.exe")) {
+			log.Fatal("missing gomobile installation")
+		}
+	} else {
+		if !rw.IsFile(filepath.Join(goBin, "gobind")) {
+			log.Fatal("missing gomobile installation")
+		}
 	}
 	GoBinPath = goBin
 }

cmd/internal/update_android_version/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"os"
 	"path/filepath"
+	"runtime"
 	"strconv"
 	"strings"
 
@@ -18,34 +19,46 @@ func main() {
 		log.Fatal(err)
 	}
 	common.Must(os.Chdir(androidPath))
-	localProps := common.Must1(os.ReadFile("local.properties"))
+	localProps := common.Must1(os.ReadFile("version.properties"))
 	var propsList [][]string
 	for _, propLine := range strings.Split(string(localProps), "\n") {
 		propsList = append(propsList, strings.Split(propLine, "="))
 	}
+	var (
+		versionUpdated   bool
+		goVersionUpdated bool
+	)
 	for _, propPair := range propsList {
-		if propPair[0] == "VERSION_NAME" {
-			if propPair[1] == newVersion.String() {
-				log.Info("version not changed")
-				return
+		switch propPair[0] {
+		case "VERSION_NAME":
+			if propPair[1] != newVersion.String() {
+				versionUpdated = true
+				propPair[1] = newVersion.String()
+				log.Info("updated version to ", newVersion.String())
+			}
+		case "GO_VERSION":
+			if propPair[1] != runtime.Version() {
+				goVersionUpdated = true
+				propPair[1] = runtime.Version()
+				log.Info("updated Go version to ", runtime.Version())
 			}
-			propPair[1] = newVersion.String()
-			log.Info("updated version to ", newVersion.String())
 		}
 	}
+	if !(versionUpdated || goVersionUpdated) {
+		log.Info("version not changed")
+		return
+	}
 	for _, propPair := range propsList {
 		switch propPair[0] {
 		case "VERSION_CODE":
 			versionCode := common.Must1(strconv.ParseInt(propPair[1], 10, 64))
 			propPair[1] = strconv.Itoa(int(versionCode + 1))
 			log.Info("updated version code to ", propPair[1])
-		case "RELEASE_NOTES":
-			propPair[1] = "sing-box " + newVersion.String()
 		}
 	}
 	var newProps []string
 	for _, propPair := range propsList {
 		newProps = append(newProps, strings.Join(propPair, "="))
 	}
-	common.Must(os.WriteFile("local.properties", []byte(strings.Join(newProps, "\n")), 0o644))
+	common.Must(os.WriteFile("version.properties", []byte(strings.Join(newProps, "\n")), 0o644))
 }

cmd/internal/update_apple_version/main.go

@@ -26,8 +26,8 @@ func main() {
 	common.Must(decoder.Decode(&project))
 	objectsMap := project["objects"].(map[string]any)
 	projectContent := string(common.Must1(os.ReadFile("sing-box.xcodeproj/project.pbxproj")))
-	newContent, updated0 := findAndReplace(objectsMap, projectContent, []string{"io.nekohasekai.sfa"}, newVersion.VersionString())
-	newContent, updated1 := findAndReplace(objectsMap, newContent, []string{"io.nekohasekai.sfa.independent", "io.nekohasekai.sfa.system"}, newVersion.String())
+	newContent, updated0 := findAndReplace(objectsMap, projectContent, []string{"io.nekohasekai.sfavt"}, newVersion.VersionString())
+	newContent, updated1 := findAndReplace(objectsMap, newContent, []string{"io.nekohasekai.sfavt.standalone", "io.nekohasekai.sfavt.system"}, newVersion.String())
 	if updated0 || updated1 {
 		log.Info("updated version to ", newVersion.VersionString(), " (", newVersion.String(), ")")
 	}

cmd/sing-box/cmd.go

@@ -0,0 +1,73 @@
+package main
+
+import (
+	"context"
+	"os"
+	"os/user"
+	"strconv"
+	"time"
+
+	"github.com/sagernet/sing-box"
+	"github.com/sagernet/sing-box/experimental/deprecated"
+	"github.com/sagernet/sing-box/include"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/service"
+	"github.com/sagernet/sing/service/filemanager"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	globalCtx         context.Context
+	configPaths       []string
+	configDirectories []string
+	workingDir        string
+	disableColor      bool
+)
+
+var mainCommand = &cobra.Command{
+	Use:              "sing-box",
+	PersistentPreRun: preRun,
+}
+
+func init() {
+	mainCommand.PersistentFlags().StringArrayVarP(&configPaths, "config", "c", nil, "set configuration file path")
+	mainCommand.PersistentFlags().StringArrayVarP(&configDirectories, "config-directory", "C", nil, "set configuration directory path")
+	mainCommand.PersistentFlags().StringVarP(&workingDir, "directory", "D", "", "set working directory")
+	mainCommand.PersistentFlags().BoolVarP(&disableColor, "disable-color", "", false, "disable color output")
+}
+
+func preRun(cmd *cobra.Command, args []string) {
+	globalCtx = context.Background()
+	sudoUser := os.Getenv("SUDO_USER")
+	sudoUID, _ := strconv.Atoi(os.Getenv("SUDO_UID"))
+	sudoGID, _ := strconv.Atoi(os.Getenv("SUDO_GID"))
+	if sudoUID == 0 && sudoGID == 0 && sudoUser != "" {
+		sudoUserObject, _ := user.Lookup(sudoUser)
+		if sudoUserObject != nil {
+			sudoUID, _ = strconv.Atoi(sudoUserObject.Uid)
+			sudoGID, _ = strconv.Atoi(sudoUserObject.Gid)
+		}
+	}
+	if sudoUID > 0 && sudoGID > 0 {
+		globalCtx = filemanager.WithDefault(globalCtx, "", "", sudoUID, sudoGID)
+	}
+	if disableColor {
+		log.SetStdLogger(log.NewDefaultFactory(context.Background(), log.Formatter{BaseTime: time.Now(), DisableColors: true}, os.Stderr, "", nil, false).Logger())
+	}
+	if workingDir != "" {
+		_, err := os.Stat(workingDir)
+		if err != nil {
+			filemanager.MkdirAll(globalCtx, workingDir, 0o777)
+		}
+		err = os.Chdir(workingDir)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+	if len(configPaths) == 0 && len(configDirectories) == 0 {
+		configPaths = append(configPaths, "config.json")
+	}
+	globalCtx = service.ContextWith(globalCtx, deprecated.NewEnvManager(log.StdLogger()))
+	globalCtx = box.Context(globalCtx, include.InboundRegistry(), include.OutboundRegistry())
+}

cmd/sing-box/cmd_format.go

@@ -2,12 +2,14 @@ package main
 
 import (
 	"bytes"
+	"context"
 	"os"
 	"path/filepath"
 
-	"github.com/sagernet/sing-box/common/json"
 	"github.com/sagernet/sing-box/log"
 	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/json"
+	"github.com/sagernet/sing/common/json/badjson"
 
 	"github.com/spf13/cobra"
 )
@@ -37,6 +39,10 @@ func format() error {
 		return err
 	}
 	for _, optionsEntry := range optionsList {
+		optionsEntry.options, err = badjson.Omitempty(context.TODO(), optionsEntry.options)
+		if err != nil {
+			return err
+		}
 		buffer := new(bytes.Buffer)
 		encoder := json.NewEncoder(buffer)
 		encoder.SetIndent("", "  ")

cmd/sing-box/cmd_geoip_export.go

@@ -6,11 +6,11 @@ import (
 	"os"
 	"strings"
 
-	"github.com/sagernet/sing-box/common/json"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/json"
 
 	"github.com/oschwald/maxminddb-golang"
 	"github.com/spf13/cobra"
@@ -87,7 +87,7 @@ func geoipExport(countryCode string) error {
 		headlessRule.IPCIDR = append(headlessRule.IPCIDR, cidr.String())
 	}
 	var plainRuleSet option.PlainRuleSetCompat
-	plainRuleSet.Version = C.RuleSetVersion1
+	plainRuleSet.Version = C.RuleSetVersion2
 	plainRuleSet.Options.Rules = []option.HeadlessRule{
 		{
 			Type:           C.RuleTypeDefault,

cmd/sing-box/cmd_geosite_export.go

@@ -5,10 +5,10 @@ import (
 	"os"
 
 	"github.com/sagernet/sing-box/common/geosite"
-	"github.com/sagernet/sing-box/common/json"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing/common/json"
 
 	"github.com/spf13/cobra"
 )
@@ -70,7 +70,7 @@ func geositeExport(category string) error {
 	headlessRule.DomainKeyword = defaultRule.DomainKeyword
 	headlessRule.DomainRegex = defaultRule.DomainRegex
 	var plainRuleSet option.PlainRuleSetCompat
-	plainRuleSet.Version = C.RuleSetVersion1
+	plainRuleSet.Version = C.RuleSetVersion2
 	plainRuleSet.Options.Rules = []option.HeadlessRule{
 		{
 			Type:           C.RuleTypeDefault,

cmd/sing-box/cmd_merge.go

@@ -6,12 +6,12 @@ import (
 	"path/filepath"
 	"strings"
 
-	"github.com/sagernet/sing-box/common/json"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/json"
 	"github.com/sagernet/sing/common/rw"
 
 	"github.com/spf13/cobra"
@@ -54,7 +54,11 @@ func merge(outputPath string) error {
 			return nil
 		}
 	}
-	err = rw.WriteFile(outputPath, buffer.Bytes())
+	err = rw.MkdirParent(outputPath)
+	if err != nil {
+		return err
+	}
+	err = os.WriteFile(outputPath, buffer.Bytes(), 0o644)
 	if err != nil {
 		return err
 	}
@@ -64,53 +68,19 @@ func merge(outputPath string) error {
 }
 
 func mergePathResources(options *option.Options) error {
-	for index, inbound := range options.Inbounds {
-		switch inbound.Type {
-		case C.TypeHTTP:
-			inbound.HTTPOptions.TLS = mergeTLSInboundOptions(inbound.HTTPOptions.TLS)
-		case C.TypeMixed:
-			inbound.MixedOptions.TLS = mergeTLSInboundOptions(inbound.MixedOptions.TLS)
-		case C.TypeVMess:
-			inbound.VMessOptions.TLS = mergeTLSInboundOptions(inbound.VMessOptions.TLS)
-		case C.TypeTrojan:
-			inbound.TrojanOptions.TLS = mergeTLSInboundOptions(inbound.TrojanOptions.TLS)
-		case C.TypeNaive:
-			inbound.NaiveOptions.TLS = mergeTLSInboundOptions(inbound.NaiveOptions.TLS)
-		case C.TypeHysteria:
-			inbound.HysteriaOptions.TLS = mergeTLSInboundOptions(inbound.HysteriaOptions.TLS)
-		case C.TypeVLESS:
-			inbound.VLESSOptions.TLS = mergeTLSInboundOptions(inbound.VLESSOptions.TLS)
-		case C.TypeTUIC:
-			inbound.TUICOptions.TLS = mergeTLSInboundOptions(inbound.TUICOptions.TLS)
-		case C.TypeHysteria2:
-			inbound.Hysteria2Options.TLS = mergeTLSInboundOptions(inbound.Hysteria2Options.TLS)
-		default:
-			continue
+	for _, inbound := range options.Inbounds {
+		if tlsOptions, containsTLSOptions := inbound.Options.(option.InboundTLSOptionsWrapper); containsTLSOptions {
+			tlsOptions.ReplaceInboundTLSOptions(mergeTLSInboundOptions(tlsOptions.TakeInboundTLSOptions()))
 		}
-		options.Inbounds[index] = inbound
 	}
-	for index, outbound := range options.Outbounds {
+	for _, outbound := range options.Outbounds {
 		switch outbound.Type {
-		case C.TypeHTTP:
-			outbound.HTTPOptions.TLS = mergeTLSOutboundOptions(outbound.HTTPOptions.TLS)
-		case C.TypeVMess:
-			outbound.VMessOptions.TLS = mergeTLSOutboundOptions(outbound.VMessOptions.TLS)
-		case C.TypeTrojan:
-			outbound.TrojanOptions.TLS = mergeTLSOutboundOptions(outbound.TrojanOptions.TLS)
-		case C.TypeHysteria:
-			outbound.HysteriaOptions.TLS = mergeTLSOutboundOptions(outbound.HysteriaOptions.TLS)
 		case C.TypeSSH:
-			outbound.SSHOptions = mergeSSHOutboundOptions(outbound.SSHOptions)
-		case C.TypeVLESS:
-			outbound.VLESSOptions.TLS = mergeTLSOutboundOptions(outbound.VLESSOptions.TLS)
-		case C.TypeTUIC:
-			outbound.TUICOptions.TLS = mergeTLSOutboundOptions(outbound.TUICOptions.TLS)
-		case C.TypeHysteria2:
-			outbound.Hysteria2Options.TLS = mergeTLSOutboundOptions(outbound.Hysteria2Options.TLS)
-		default:
-			continue
+			mergeSSHOutboundOptions(outbound.Options.(*option.SSHOutboundOptions))
+		}
+		if tlsOptions, containsTLSOptions := outbound.Options.(option.OutboundTLSOptionsWrapper); containsTLSOptions {
+			tlsOptions.ReplaceOutboundTLSOptions(mergeTLSOutboundOptions(tlsOptions.TakeOutboundTLSOptions()))
 		}
-		options.Outbounds[index] = outbound
 	}
 	return nil
 }
@@ -158,13 +128,12 @@ func mergeTLSOutboundOptions(options *option.OutboundTLSOptions) *option.Outboun
 	return options
 }
 
-func mergeSSHOutboundOptions(options option.SSHOutboundOptions) option.SSHOutboundOptions {
+func mergeSSHOutboundOptions(options *option.SSHOutboundOptions) {
 	if options.PrivateKeyPath != "" {
 		if content, err := os.ReadFile(os.ExpandEnv(options.PrivateKeyPath)); err == nil {
 			options.PrivateKey = trimStringArray(strings.Split(string(content), "\n"))
 		}
 	}
-	return options
 }
 
 func trimStringArray(array []string) []string {

cmd/sing-box/cmd_rule_set.go

@@ -6,7 +6,7 @@ import (
 
 var commandRuleSet = &cobra.Command{
 	Use:   "rule-set",
-	Short: "Manage rule sets",
+	Short: "Manage rule-sets",
 }
 
 func init() {

cmd/sing-box/cmd_rule_set_compile.go

@@ -5,10 +5,11 @@ import (
 	"os"
 	"strings"
 
-	"github.com/sagernet/sing-box/common/json"
 	"github.com/sagernet/sing-box/common/srs"
+	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing/common/json"
 
 	"github.com/spf13/cobra"
 )
@@ -47,14 +48,18 @@ func compileRuleSet(sourcePath string) error {
 			return err
 		}
 	}
-	decoder := json.NewDecoder(json.NewCommentFilter(reader))
-	decoder.DisallowUnknownFields()
-	var plainRuleSet option.PlainRuleSetCompat
-	err = decoder.Decode(&plainRuleSet)
+	content, err := io.ReadAll(reader)
+	if err != nil {
+		return err
+	}
+	plainRuleSet, err := json.UnmarshalExtended[option.PlainRuleSetCompat](content)
+	if err != nil {
+		return err
+	}
+	ruleSet, err := plainRuleSet.Upgrade()
 	if err != nil {
 		return err
 	}
-	ruleSet := plainRuleSet.Upgrade()
 	var outputPath string
 	if flagRuleSetCompileOutput == flagRuleSetCompileDefaultOutput {
 		if strings.HasSuffix(sourcePath, ".json") {
@@ -69,7 +74,7 @@ func compileRuleSet(sourcePath string) error {
 	if err != nil {
 		return err
 	}
-	err = srs.Write(outputFile, ruleSet)
+	err = srs.Write(outputFile, ruleSet, plainRuleSet.Version == C.RuleSetVersion2)
 	if err != nil {
 		outputFile.Close()
 		os.Remove(outputPath)

cmd/sing-box/cmd_rule_set_convert.go

@@ -0,0 +1,88 @@
+package main
+
+import (
+	"io"
+	"os"
+	"strings"
+
+	"github.com/sagernet/sing-box/cmd/sing-box/internal/convertor/adguard"
+	"github.com/sagernet/sing-box/common/srs"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	flagRuleSetConvertType   string
+	flagRuleSetConvertOutput string
+)
+
+var commandRuleSetConvert = &cobra.Command{
+	Use:   "convert [source-path]",
+	Short: "Convert adguard DNS filter to rule-set",
+	Args:  cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		err := convertRuleSet(args[0])
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func init() {
+	commandRuleSet.AddCommand(commandRuleSetConvert)
+	commandRuleSetConvert.Flags().StringVarP(&flagRuleSetConvertType, "type", "t", "", "Source type, available: adguard")
+	commandRuleSetConvert.Flags().StringVarP(&flagRuleSetConvertOutput, "output", "o", flagRuleSetCompileDefaultOutput, "Output file")
+}
+
+func convertRuleSet(sourcePath string) error {
+	var (
+		reader io.Reader
+		err    error
+	)
+	if sourcePath == "stdin" {
+		reader = os.Stdin
+	} else {
+		reader, err = os.Open(sourcePath)
+		if err != nil {
+			return err
+		}
+	}
+	var rules []option.HeadlessRule
+	switch flagRuleSetConvertType {
+	case "adguard":
+		rules, err = adguard.Convert(reader)
+	case "":
+		return E.New("source type is required")
+	default:
+		return E.New("unsupported source type: ", flagRuleSetConvertType)
+	}
+	if err != nil {
+		return err
+	}
+	var outputPath string
+	if flagRuleSetConvertOutput == flagRuleSetCompileDefaultOutput {
+		if strings.HasSuffix(sourcePath, ".txt") {
+			outputPath = sourcePath[:len(sourcePath)-4] + ".srs"
+		} else {
+			outputPath = sourcePath + ".srs"
+		}
+	} else {
+		outputPath = flagRuleSetConvertOutput
+	}
+	outputFile, err := os.Create(outputPath)
+	if err != nil {
+		return err
+	}
+	defer outputFile.Close()
+	err = srs.Write(outputFile, option.PlainRuleSet{Rules: rules}, true)
+	if err != nil {
+		outputFile.Close()
+		os.Remove(outputPath)
+		return err
+	}
+	outputFile.Close()
+	return nil
+}

cmd/sing-box/cmd_rule_set_decompile.go

@@ -0,0 +1,83 @@
+package main
+
+import (
+	"io"
+	"os"
+	"strings"
+
+	"github.com/sagernet/sing-box/common/srs"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing/common/json"
+
+	"github.com/spf13/cobra"
+)
+
+var flagRuleSetDecompileOutput string
+
+const flagRuleSetDecompileDefaultOutput = "<file_name>.json"
+
+var commandRuleSetDecompile = &cobra.Command{
+	Use:   "decompile [binary-path]",
+	Short: "Decompile rule-set binary to json",
+	Args:  cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		err := decompileRuleSet(args[0])
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func init() {
+	commandRuleSet.AddCommand(commandRuleSetDecompile)
+	commandRuleSetDecompile.Flags().StringVarP(&flagRuleSetDecompileOutput, "output", "o", flagRuleSetDecompileDefaultOutput, "Output file")
+}
+
+func decompileRuleSet(sourcePath string) error {
+	var (
+		reader io.Reader
+		err    error
+	)
+	if sourcePath == "stdin" {
+		reader = os.Stdin
+	} else {
+		reader, err = os.Open(sourcePath)
+		if err != nil {
+			return err
+		}
+	}
+	plainRuleSet, err := srs.Read(reader, true)
+	if err != nil {
+		return err
+	}
+	ruleSet := option.PlainRuleSetCompat{
+		Version: C.RuleSetVersion1,
+		Options: plainRuleSet,
+	}
+	var outputPath string
+	if flagRuleSetDecompileOutput == flagRuleSetDecompileDefaultOutput {
+		if strings.HasSuffix(sourcePath, ".srs") {
+			outputPath = sourcePath[:len(sourcePath)-4] + ".json"
+		} else {
+			outputPath = sourcePath + ".json"
+		}
+	} else {
+		outputPath = flagRuleSetDecompileOutput
+	}
+	outputFile, err := os.Create(outputPath)
+	if err != nil {
+		return err
+	}
+	encoder := json.NewEncoder(outputFile)
+	encoder.SetIndent("", "  ")
+	err = encoder.Encode(ruleSet)
+	if err != nil {
+		outputFile.Close()
+		os.Remove(outputPath)
+		return err
+	}
+	outputFile.Close()
+	return nil
+}

cmd/sing-box/cmd_rule_set_format.go

@@ -6,10 +6,10 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/sagernet/sing-box/common/json"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/json"
 
 	"github.com/spf13/cobra"
 )
@@ -50,18 +50,14 @@ func formatRuleSet(sourcePath string) error {
 	if err != nil {
 		return err
 	}
-	decoder := json.NewDecoder(json.NewCommentFilter(bytes.NewReader(content)))
-	decoder.DisallowUnknownFields()
-	var plainRuleSet option.PlainRuleSetCompat
-	err = decoder.Decode(&plainRuleSet)
+	plainRuleSet, err := json.UnmarshalExtended[option.PlainRuleSetCompat](content)
 	if err != nil {
 		return err
 	}
-	ruleSet := plainRuleSet.Upgrade()
 	buffer := new(bytes.Buffer)
 	encoder := json.NewEncoder(buffer)
 	encoder.SetIndent("", "  ")
-	err = encoder.Encode(ruleSet)
+	err = encoder.Encode(plainRuleSet)
 	if err != nil {
 		return E.Cause(err, "encode config")
 	}

cmd/sing-box/cmd_rule_set_match.go

@@ -0,0 +1,96 @@
+package main
+
+import (
+	"bytes"
+	"io"
+	"os"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/srs"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing-box/route/rule"
+	E "github.com/sagernet/sing/common/exceptions"
+	F "github.com/sagernet/sing/common/format"
+	"github.com/sagernet/sing/common/json"
+	M "github.com/sagernet/sing/common/metadata"
+
+	"github.com/spf13/cobra"
+)
+
+var flagRuleSetMatchFormat string
+
+var commandRuleSetMatch = &cobra.Command{
+	Use:   "match <rule-set path> <IP address/domain>",
+	Short: "Check if an IP address or a domain matches the rule-set",
+	Args:  cobra.ExactArgs(2),
+	Run: func(cmd *cobra.Command, args []string) {
+		err := ruleSetMatch(args[0], args[1])
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func init() {
+	commandRuleSetMatch.Flags().StringVarP(&flagRuleSetMatchFormat, "format", "f", "source", "rule-set format")
+	commandRuleSet.AddCommand(commandRuleSetMatch)
+}
+
+func ruleSetMatch(sourcePath string, domain string) error {
+	var (
+		reader io.Reader
+		err    error
+	)
+	if sourcePath == "stdin" {
+		reader = os.Stdin
+	} else {
+		reader, err = os.Open(sourcePath)
+		if err != nil {
+			return E.Cause(err, "read rule-set")
+		}
+	}
+	content, err := io.ReadAll(reader)
+	if err != nil {
+		return E.Cause(err, "read rule-set")
+	}
+	var plainRuleSet option.PlainRuleSet
+	switch flagRuleSetMatchFormat {
+	case C.RuleSetFormatSource:
+		var compat option.PlainRuleSetCompat
+		compat, err = json.UnmarshalExtended[option.PlainRuleSetCompat](content)
+		if err != nil {
+			return err
+		}
+		plainRuleSet, err = compat.Upgrade()
+		if err != nil {
+			return err
+		}
+	case C.RuleSetFormatBinary:
+		plainRuleSet, err = srs.Read(bytes.NewReader(content), false)
+		if err != nil {
+			return err
+		}
+	default:
+		return E.New("unknown rule-set format: ", flagRuleSetMatchFormat)
+	}
+	ipAddress := M.ParseAddr(domain)
+	var metadata adapter.InboundContext
+	if ipAddress.IsValid() {
+		metadata.Destination = M.SocksaddrFrom(ipAddress, 0)
+	} else {
+		metadata.Domain = domain
+	}
+	for i, ruleOptions := range plainRuleSet.Rules {
+		var currentRule adapter.HeadlessRule
+		currentRule, err = rule.NewHeadlessRule(nil, ruleOptions)
+		if err != nil {
+			return E.Cause(err, "parse rule_set.rules.[", i, "]")
+		}
+		if currentRule.Match(&metadata) {
+			println(F.ToString("match rules.[", i, "]: ", currentRule))
+		}
+	}
+	return nil
+}

cmd/sing-box/cmd_rule_set_upgrade.go

@@ -0,0 +1,94 @@
+package main
+
+import (
+	"bytes"
+	"io"
+	"os"
+	"path/filepath"
+
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/json"
+
+	"github.com/spf13/cobra"
+)
+
+var commandRuleSetUpgradeFlagWrite bool
+
+var commandRuleSetUpgrade = &cobra.Command{
+	Use:   "upgrade <source-path>",
+	Short: "Upgrade rule-set json",
+	Args:  cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		err := upgradeRuleSet(args[0])
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func init() {
+	commandRuleSetUpgrade.Flags().BoolVarP(&commandRuleSetUpgradeFlagWrite, "write", "w", false, "write result to (source) file instead of stdout")
+	commandRuleSet.AddCommand(commandRuleSetUpgrade)
+}
+
+func upgradeRuleSet(sourcePath string) error {
+	var (
+		reader io.Reader
+		err    error
+	)
+	if sourcePath == "stdin" {
+		reader = os.Stdin
+	} else {
+		reader, err = os.Open(sourcePath)
+		if err != nil {
+			return err
+		}
+	}
+	content, err := io.ReadAll(reader)
+	if err != nil {
+		return err
+	}
+	plainRuleSetCompat, err := json.UnmarshalExtended[option.PlainRuleSetCompat](content)
+	if err != nil {
+		return err
+	}
+	switch plainRuleSetCompat.Version {
+	case C.RuleSetVersion1:
+	default:
+		log.Info("already up-to-date")
+		return nil
+	}
+	plainRuleSet, err := plainRuleSetCompat.Upgrade()
+	if err != nil {
+		return err
+	}
+	buffer := new(bytes.Buffer)
+	encoder := json.NewEncoder(buffer)
+	encoder.SetIndent("", "  ")
+	err = encoder.Encode(plainRuleSet)
+	if err != nil {
+		return E.Cause(err, "encode config")
+	}
+	outputPath, _ := filepath.Abs(sourcePath)
+	if !commandRuleSetUpgradeFlagWrite || sourcePath == "stdin" {
+		os.Stdout.WriteString(buffer.String() + "\n")
+		return nil
+	}
+	if bytes.Equal(content, buffer.Bytes()) {
+		return nil
+	}
+	output, err := os.Create(sourcePath)
+	if err != nil {
+		return E.Cause(err, "open output")
+	}
+	_, err = output.Write(buffer.Bytes())
+	output.Close()
+	if err != nil {
+		return E.Cause(err, "write output")
+	}
+	os.Stderr.WriteString(outputPath + "\n")
+	return nil
+}

cmd/sing-box/cmd_run.go

@@ -13,10 +13,12 @@ import (
 	"time"
 
 	"github.com/sagernet/sing-box"
-	"github.com/sagernet/sing-box/common/badjsonmerge"
+	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/json"
+	"github.com/sagernet/sing/common/json/badjson"
 
 	"github.com/spf13/cobra"
 )
@@ -55,8 +57,7 @@ func readConfigAt(path string) (*OptionsEntry, error) {
 	if err != nil {
 		return nil, E.Cause(err, "read config at ", path)
 	}
-	var options option.Options
-	err = options.UnmarshalJSON(configContent)
+	options, err := json.UnmarshalExtendedContext[option.Options](globalCtx, configContent)
 	if err != nil {
 		return nil, E.Cause(err, "decode config at ", path)
 	}
@@ -106,13 +107,18 @@ func readConfigAndMerge() (option.Options, error) {
 	if len(optionsList) == 1 {
 		return optionsList[0].options, nil
 	}
-	var mergedOptions option.Options
+	var mergedMessage json.RawMessage
 	for _, options := range optionsList {
-		mergedOptions, err = badjsonmerge.MergeOptions(options.options, mergedOptions)
+		mergedMessage, err = badjson.MergeJSON(globalCtx, options.options.RawMessage, mergedMessage, false)
 		if err != nil {
 			return option.Options{}, E.Cause(err, "merge config at ", options.path)
 		}
 	}
+	var mergedOptions option.Options
+	err = mergedOptions.UnmarshalJSONContext(globalCtx, mergedMessage)
+	if err != nil {
+		return option.Options{}, E.Cause(err, "unmarshal merged config")
+	}
 	return mergedOptions, nil
 }
 
@@ -127,7 +133,7 @@ func create() (*box.Box, context.CancelFunc, error) {
 		}
 		options.Log.DisableColor = true
 	}
-	ctx, cancel := context.WithCancel(context.Background())
+	ctx, cancel := context.WithCancel(globalCtx)
 	instance, err := box.New(box.Options{
 		Context: ctx,
 		Options: options,
@@ -182,9 +188,12 @@ func run() error {
 			cancel()
 			closeCtx, closed := context.WithCancel(context.Background())
 			go closeMonitor(closeCtx)
-			instance.Close()
+			err = instance.Close()
 			closed()
 			if osSignal != syscall.SIGHUP {
+				if err != nil {
+					log.Error(E.Cause(err, "sing-box did not closed properly"))
+				}
 				return nil
 			}
 			break
@@ -193,7 +202,7 @@ func run() error {
 }
 
 func closeMonitor(ctx context.Context) {
-	time.Sleep(3 * time.Second)
+	time.Sleep(C.FatalStopTimeout)
 	select {
 	case <-ctx.Done():
 		return

cmd/sing-box/cmd_tools.go

@@ -1,6 +1,9 @@
 package main
 
 import (
+	"errors"
+	"os"
+
 	"github.com/sagernet/sing-box"
 	E "github.com/sagernet/sing/common/exceptions"
 	N "github.com/sagernet/sing/common/network"
@@ -23,7 +26,9 @@ func init() {
 func createPreStartedClient() (*box.Box, error) {
 	options, err := readConfigAndMerge()
 	if err != nil {
-		return nil, err
+		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{Options: options})
 	if err != nil {

cmd/sing-box/cmd_tools_fetch.go

@@ -9,8 +9,10 @@ import (
 	"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"
@@ -32,7 +34,10 @@ func init() {
 	commandTools.AddCommand(commandFetch)
 }
 
-var httpClient *http.Client
+var (
+	httpClient  *http.Client
+	http3Client *http.Client
+)
 
 func fetch(args []string) error {
 	instance, err := createPreStartedClient()
@@ -53,8 +58,16 @@ func fetch(args []string) error {
 		},
 	}
 	defer httpClient.CloseIdleConnections()
+	if C.WithQUIC {
+		err = initializeHTTP3Client(instance)
+		if err != nil {
+			return err
+		}
+		defer http3Client.CloseIdleConnections()
+	}
 	for _, urlString := range args {
-		parsedURL, err := url.Parse(urlString)
+		var parsedURL *url.URL
+		parsedURL, err = url.Parse(urlString)
 		if err != nil {
 			return err
 		}
@@ -63,16 +76,27 @@ func fetch(args []string) error {
 			parsedURL.Scheme = "http"
 			fallthrough
 		case "http", "https":
-			err = fetchHTTP(parsedURL)
+			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(parsedURL *url.URL) error {
+func fetchHTTP(httpClient *http.Client, parsedURL *url.URL) error {
 	request, err := http.NewRequest("GET", parsedURL.String(), nil)
 	if err != 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, N.NetworkUDP, commandToolsFlagOutbound)
+	if err != nil {
+		return err
+	}
+	http3Client = &http.Client{
+		Transport: &http3.RoundTripper{
+			Dial: func(ctx context.Context, addr string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
+				destination := M.ParseSocksaddr(addr)
+				udpConn, dErr := dialer.DialContext(ctx, N.NetworkUDP, destination)
+				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/generate_completions.go

@@ -0,0 +1,28 @@
+//go:build generate && generate_completions
+
+package main
+
+import "github.com/sagernet/sing-box/log"
+
+func main() {
+	err := generateCompletions()
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func generateCompletions() error {
+	err := mainCommand.GenBashCompletionFile("release/completions/sing-box.bash")
+	if err != nil {
+		return err
+	}
+	err = mainCommand.GenFishCompletionFile("release/completions/sing-box.fish", true)
+	if err != nil {
+		return err
+	}
+	err = mainCommand.GenZshCompletionFile("release/completions/sing-box.zsh")
+	if err != nil {
+		return err
+	}
+	return nil
+}

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

@@ -0,0 +1,346 @@
+package adguard
+
+import (
+	"bufio"
+	"io"
+	"net/netip"
+	"os"
+	"strconv"
+	"strings"
+
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing/common"
+	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
+)
+
+type agdguardRuleLine struct {
+	ruleLine    string
+	isRawDomain bool
+	isExclude   bool
+	isSuffix    bool
+	hasStart    bool
+	hasEnd      bool
+	isRegexp    bool
+	isImportant bool
+}
+
+func Convert(reader io.Reader) ([]option.HeadlessRule, error) {
+	scanner := bufio.NewScanner(reader)
+	var (
+		ruleLines    []agdguardRuleLine
+		ignoredLines int
+	)
+parseLine:
+	for scanner.Scan() {
+		ruleLine := scanner.Text()
+		if ruleLine == "" || ruleLine[0] == '!' || ruleLine[0] == '#' {
+			continue
+		}
+		originRuleLine := ruleLine
+		if M.IsDomainName(ruleLine) {
+			ruleLines = append(ruleLines, agdguardRuleLine{
+				ruleLine:    ruleLine,
+				isRawDomain: true,
+			})
+			continue
+		}
+		hostLine, err := parseAdGuardHostLine(ruleLine)
+		if err == nil {
+			if hostLine != "" {
+				ruleLines = append(ruleLines, agdguardRuleLine{
+					ruleLine:    hostLine,
+					isRawDomain: true,
+					hasStart:    true,
+					hasEnd:      true,
+				})
+			}
+			continue
+		}
+		if strings.HasSuffix(ruleLine, "|") {
+			ruleLine = ruleLine[:len(ruleLine)-1]
+		}
+		var (
+			isExclude   bool
+			isSuffix    bool
+			hasStart    bool
+			hasEnd      bool
+			isRegexp    bool
+			isImportant bool
+		)
+		if !strings.HasPrefix(ruleLine, "/") && strings.Contains(ruleLine, "$") {
+			params := common.SubstringAfter(ruleLine, "$")
+			for _, param := range strings.Split(params, ",") {
+				paramParts := strings.Split(param, "=")
+				var ignored bool
+				if len(paramParts) > 0 && len(paramParts) <= 2 {
+					switch paramParts[0] {
+					case "app", "network":
+						// maybe support by package_name/process_name
+					case "dnstype":
+						// maybe support by query_type
+					case "important":
+						ignored = true
+						isImportant = true
+					case "dnsrewrite":
+						if len(paramParts) == 2 && M.ParseAddr(paramParts[1]).IsUnspecified() {
+							ignored = true
+						}
+					}
+				}
+				if !ignored {
+					ignoredLines++
+					log.Debug("ignored unsupported rule with modifier: ", paramParts[0], ": ", ruleLine)
+					continue parseLine
+				}
+			}
+			ruleLine = common.SubstringBefore(ruleLine, "$")
+		}
+		if strings.HasPrefix(ruleLine, "@@") {
+			ruleLine = ruleLine[2:]
+			isExclude = true
+		}
+		if strings.HasSuffix(ruleLine, "|") {
+			ruleLine = ruleLine[:len(ruleLine)-1]
+		}
+		if strings.HasPrefix(ruleLine, "||") {
+			ruleLine = ruleLine[2:]
+			isSuffix = true
+		} else if strings.HasPrefix(ruleLine, "|") {
+			ruleLine = ruleLine[1:]
+			hasStart = true
+		}
+		if strings.HasSuffix(ruleLine, "^") {
+			ruleLine = ruleLine[:len(ruleLine)-1]
+			hasEnd = true
+		}
+		if strings.HasPrefix(ruleLine, "/") && strings.HasSuffix(ruleLine, "/") {
+			ruleLine = ruleLine[1 : len(ruleLine)-1]
+			if ignoreIPCIDRRegexp(ruleLine) {
+				ignoredLines++
+				log.Debug("ignored unsupported rule with IPCIDR regexp: ", ruleLine)
+				continue
+			}
+			isRegexp = true
+		} else {
+			if strings.Contains(ruleLine, "://") {
+				ruleLine = common.SubstringAfter(ruleLine, "://")
+			}
+			if strings.Contains(ruleLine, "/") {
+				ignoredLines++
+				log.Debug("ignored unsupported rule with path: ", ruleLine)
+				continue
+			}
+			if strings.Contains(ruleLine, "##") {
+				ignoredLines++
+				log.Debug("ignored unsupported rule with element hiding: ", ruleLine)
+				continue
+			}
+			if strings.Contains(ruleLine, "#$#") {
+				ignoredLines++
+				log.Debug("ignored unsupported rule with element hiding: ", ruleLine)
+				continue
+			}
+			var domainCheck string
+			if strings.HasPrefix(ruleLine, ".") || strings.HasPrefix(ruleLine, "-") {
+				domainCheck = "r" + ruleLine
+			} else {
+				domainCheck = ruleLine
+			}
+			if ruleLine == "" {
+				ignoredLines++
+				log.Debug("ignored unsupported rule with empty domain", originRuleLine)
+				continue
+			} else {
+				domainCheck = strings.ReplaceAll(domainCheck, "*", "x")
+				if !M.IsDomainName(domainCheck) {
+					_, ipErr := parseADGuardIPCIDRLine(ruleLine)
+					if ipErr == nil {
+						ignoredLines++
+						log.Debug("ignored unsupported rule with IPCIDR: ", ruleLine)
+						continue
+					}
+					if M.ParseSocksaddr(domainCheck).Port != 0 {
+						log.Debug("ignored unsupported rule with port: ", ruleLine)
+					} else {
+						log.Debug("ignored unsupported rule with invalid domain: ", ruleLine)
+					}
+					ignoredLines++
+					continue
+				}
+			}
+		}
+		ruleLines = append(ruleLines, agdguardRuleLine{
+			ruleLine:    ruleLine,
+			isExclude:   isExclude,
+			isSuffix:    isSuffix,
+			hasStart:    hasStart,
+			hasEnd:      hasEnd,
+			isRegexp:    isRegexp,
+			isImportant: isImportant,
+		})
+	}
+	if len(ruleLines) == 0 {
+		return nil, E.New("AdGuard rule-set is empty or all rules are unsupported")
+	}
+	if common.All(ruleLines, func(it agdguardRuleLine) bool {
+		return it.isRawDomain
+	}) {
+		return []option.HeadlessRule{
+			{
+				Type: C.RuleTypeDefault,
+				DefaultOptions: option.DefaultHeadlessRule{
+					Domain: common.Map(ruleLines, func(it agdguardRuleLine) string {
+						return it.ruleLine
+					}),
+				},
+			},
+		}, nil
+	}
+	mapDomain := func(it agdguardRuleLine) string {
+		ruleLine := it.ruleLine
+		if it.isSuffix {
+			ruleLine = "||" + ruleLine
+		} else if it.hasStart {
+			ruleLine = "|" + ruleLine
+		}
+		if it.hasEnd {
+			ruleLine += "^"
+		}
+		return ruleLine
+	}
+
+	importantDomain := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return it.isImportant && !it.isRegexp && !it.isExclude }), mapDomain)
+	importantDomainRegex := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return it.isImportant && it.isRegexp && !it.isExclude }), mapDomain)
+	importantExcludeDomain := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return it.isImportant && !it.isRegexp && it.isExclude }), mapDomain)
+	importantExcludeDomainRegex := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return it.isImportant && it.isRegexp && it.isExclude }), mapDomain)
+	domain := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return !it.isImportant && !it.isRegexp && !it.isExclude }), mapDomain)
+	domainRegex := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return !it.isImportant && it.isRegexp && !it.isExclude }), mapDomain)
+	excludeDomain := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return !it.isImportant && !it.isRegexp && it.isExclude }), mapDomain)
+	excludeDomainRegex := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return !it.isImportant && it.isRegexp && it.isExclude }), mapDomain)
+	currentRule := option.HeadlessRule{
+		Type: C.RuleTypeDefault,
+		DefaultOptions: option.DefaultHeadlessRule{
+			AdGuardDomain: domain,
+			DomainRegex:   domainRegex,
+		},
+	}
+	if len(excludeDomain) > 0 || len(excludeDomainRegex) > 0 {
+		currentRule = option.HeadlessRule{
+			Type: C.RuleTypeLogical,
+			LogicalOptions: option.LogicalHeadlessRule{
+				Mode: C.LogicalTypeAnd,
+				Rules: []option.HeadlessRule{
+					{
+						Type: C.RuleTypeDefault,
+						DefaultOptions: option.DefaultHeadlessRule{
+							AdGuardDomain: excludeDomain,
+							DomainRegex:   excludeDomainRegex,
+							Invert:        true,
+						},
+					},
+					currentRule,
+				},
+			},
+		}
+	}
+	if len(importantDomain) > 0 || len(importantDomainRegex) > 0 {
+		currentRule = option.HeadlessRule{
+			Type: C.RuleTypeLogical,
+			LogicalOptions: option.LogicalHeadlessRule{
+				Mode: C.LogicalTypeOr,
+				Rules: []option.HeadlessRule{
+					{
+						Type: C.RuleTypeDefault,
+						DefaultOptions: option.DefaultHeadlessRule{
+							AdGuardDomain: importantDomain,
+							DomainRegex:   importantDomainRegex,
+						},
+					},
+					currentRule,
+				},
+			},
+		}
+	}
+	if len(importantExcludeDomain) > 0 || len(importantExcludeDomainRegex) > 0 {
+		currentRule = option.HeadlessRule{
+			Type: C.RuleTypeLogical,
+			LogicalOptions: option.LogicalHeadlessRule{
+				Mode: C.LogicalTypeAnd,
+				Rules: []option.HeadlessRule{
+					{
+						Type: C.RuleTypeDefault,
+						DefaultOptions: option.DefaultHeadlessRule{
+							AdGuardDomain: importantExcludeDomain,
+							DomainRegex:   importantExcludeDomainRegex,
+							Invert:        true,
+						},
+					},
+					currentRule,
+				},
+			},
+		}
+	}
+	log.Info("parsed rules: ", len(ruleLines), "/", len(ruleLines)+ignoredLines)
+	return []option.HeadlessRule{currentRule}, nil
+}
+
+func ignoreIPCIDRRegexp(ruleLine string) bool {
+	if strings.HasPrefix(ruleLine, "(http?:\\/\\/)") {
+		ruleLine = ruleLine[12:]
+	} else if strings.HasPrefix(ruleLine, "(https?:\\/\\/)") {
+		ruleLine = ruleLine[13:]
+	} else if strings.HasPrefix(ruleLine, "^") {
+		ruleLine = ruleLine[1:]
+	} else {
+		return false
+	}
+	_, parseErr := strconv.ParseUint(common.SubstringBefore(ruleLine, "\\."), 10, 8)
+	return parseErr == nil
+}
+
+func parseAdGuardHostLine(ruleLine string) (string, error) {
+	idx := strings.Index(ruleLine, " ")
+	if idx == -1 {
+		return "", os.ErrInvalid
+	}
+	address, err := netip.ParseAddr(ruleLine[:idx])
+	if err != nil {
+		return "", err
+	}
+	if !address.IsUnspecified() {
+		return "", nil
+	}
+	domain := ruleLine[idx+1:]
+	if !M.IsDomainName(domain) {
+		return "", E.New("invalid domain name: ", domain)
+	}
+	return domain, nil
+}
+
+func parseADGuardIPCIDRLine(ruleLine string) (netip.Prefix, error) {
+	var isPrefix bool
+	if strings.HasSuffix(ruleLine, ".") {
+		isPrefix = true
+		ruleLine = ruleLine[:len(ruleLine)-1]
+	}
+	ruleStringParts := strings.Split(ruleLine, ".")
+	if len(ruleStringParts) > 4 || len(ruleStringParts) < 4 && !isPrefix {
+		return netip.Prefix{}, os.ErrInvalid
+	}
+	ruleParts := make([]uint8, 0, len(ruleStringParts))
+	for _, part := range ruleStringParts {
+		rulePart, err := strconv.ParseUint(part, 10, 8)
+		if err != nil {
+			return netip.Prefix{}, err
+		}
+		ruleParts = append(ruleParts, uint8(rulePart))
+	}
+	bitLen := len(ruleParts) * 8
+	for len(ruleParts) < 4 {
+		ruleParts = append(ruleParts, 0)
+	}
+	return netip.PrefixFrom(netip.AddrFrom4(*(*[4]byte)(ruleParts)), bitLen), nil
+}

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

@@ -0,0 +1,140 @@
+package adguard
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/route/rule"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestConverter(t *testing.T) {
+	t.Parallel()
+	rules, err := Convert(strings.NewReader(`
+||example.org^
+|example.com^
+example.net^
+||example.edu
+||example.edu.tw^
+|example.gov
+example.arpa
+@@|sagernet.example.org|
+||sagernet.org^$important
+@@|sing-box.sagernet.org^$important
+`))
+	require.NoError(t, err)
+	require.Len(t, rules, 1)
+	rule, err := rule.NewHeadlessRule(nil, rules[0])
+	require.NoError(t, err)
+	matchDomain := []string{
+		"example.org",
+		"www.example.org",
+		"example.com",
+		"example.net",
+		"isexample.net",
+		"www.example.net",
+		"example.edu",
+		"example.edu.cn",
+		"example.edu.tw",
+		"www.example.edu",
+		"www.example.edu.cn",
+		"example.gov",
+		"example.gov.cn",
+		"example.arpa",
+		"www.example.arpa",
+		"isexample.arpa",
+		"example.arpa.cn",
+		"www.example.arpa.cn",
+		"isexample.arpa.cn",
+		"sagernet.org",
+		"www.sagernet.org",
+	}
+	notMatchDomain := []string{
+		"example.org.cn",
+		"notexample.org",
+		"example.com.cn",
+		"www.example.com.cn",
+		"example.net.cn",
+		"notexample.edu",
+		"notexample.edu.cn",
+		"www.example.gov",
+		"notexample.gov",
+		"sagernet.example.org",
+		"sing-box.sagernet.org",
+	}
+	for _, domain := range matchDomain {
+		require.True(t, rule.Match(&adapter.InboundContext{
+			Domain: domain,
+		}), domain)
+	}
+	for _, domain := range notMatchDomain {
+		require.False(t, rule.Match(&adapter.InboundContext{
+			Domain: domain,
+		}), domain)
+	}
+}
+
+func TestHosts(t *testing.T) {
+	t.Parallel()
+	rules, err := Convert(strings.NewReader(`
+127.0.0.1 localhost
+::1 localhost #[IPv6]
+0.0.0.0 google.com
+`))
+	require.NoError(t, err)
+	require.Len(t, rules, 1)
+	rule, err := rule.NewHeadlessRule(nil, rules[0])
+	require.NoError(t, err)
+	matchDomain := []string{
+		"google.com",
+	}
+	notMatchDomain := []string{
+		"www.google.com",
+		"notgoogle.com",
+		"localhost",
+	}
+	for _, domain := range matchDomain {
+		require.True(t, rule.Match(&adapter.InboundContext{
+			Domain: domain,
+		}), domain)
+	}
+	for _, domain := range notMatchDomain {
+		require.False(t, rule.Match(&adapter.InboundContext{
+			Domain: domain,
+		}), domain)
+	}
+}
+
+func TestSimpleHosts(t *testing.T) {
+	t.Parallel()
+	rules, err := Convert(strings.NewReader(`
+example.com
+www.example.org
+`))
+	require.NoError(t, err)
+	require.Len(t, rules, 1)
+	rule, err := rule.NewHeadlessRule(nil, rules[0])
+	require.NoError(t, err)
+	matchDomain := []string{
+		"example.com",
+		"www.example.org",
+	}
+	notMatchDomain := []string{
+		"example.com.cn",
+		"www.example.com",
+		"notexample.com",
+		"example.org",
+	}
+	for _, domain := range matchDomain {
+		require.True(t, rule.Match(&adapter.InboundContext{
+			Domain: domain,
+		}), domain)
+	}
+	for _, domain := range notMatchDomain {
+		require.False(t, rule.Match(&adapter.InboundContext{
+			Domain: domain,
+		}), domain)
+	}
+}

cmd/sing-box/main.go

@@ -1,54 +1,11 @@
+//go:build !generate
+
 package main
 
-import (
-	"os"
-	"time"
-
-	_ "github.com/sagernet/sing-box/include"
-	"github.com/sagernet/sing-box/log"
-
-	"github.com/spf13/cobra"
-)
-
-var (
-	configPaths       []string
-	configDirectories []string
-	workingDir        string
-	disableColor      bool
-)
-
-var mainCommand = &cobra.Command{
-	Use:              "sing-box",
-	PersistentPreRun: preRun,
-}
-
-func init() {
-	mainCommand.PersistentFlags().StringArrayVarP(&configPaths, "config", "c", nil, "set configuration file path")
-	mainCommand.PersistentFlags().StringArrayVarP(&configDirectories, "config-directory", "C", nil, "set configuration directory path")
-	mainCommand.PersistentFlags().StringVarP(&workingDir, "directory", "D", "", "set working directory")
-	mainCommand.PersistentFlags().BoolVarP(&disableColor, "disable-color", "", false, "disable color output")
-}
+import "github.com/sagernet/sing-box/log"
 
 func main() {
 	if err := mainCommand.Execute(); err != nil {
 		log.Fatal(err)
 	}
 }
-
-func preRun(cmd *cobra.Command, args []string) {
-	if disableColor {
-		log.SetStdLogger(log.NewFactory(log.Formatter{BaseTime: time.Now(), DisableColors: true}, os.Stderr, nil).Logger())
-	}
-	if workingDir != "" {
-		_, err := os.Stat(workingDir)
-		if err != nil {
-			os.MkdirAll(workingDir, 0o777)
-		}
-		if err := os.Chdir(workingDir); err != nil {
-			log.Fatal(err)
-		}
-	}
-	if len(configPaths) == 0 && len(configDirectories) == 0 {
-		configPaths = append(configPaths, "config.json")
-	}
-}

common/badjson/array.go

@@ -1,46 +0,0 @@
-package badjson
-
-import (
-	"bytes"
-
-	"github.com/sagernet/sing-box/common/json"
-	E "github.com/sagernet/sing/common/exceptions"
-)
-
-type JSONArray []any
-
-func (a JSONArray) MarshalJSON() ([]byte, error) {
-	return json.Marshal([]any(a))
-}
-
-func (a *JSONArray) UnmarshalJSON(content []byte) error {
-	decoder := json.NewDecoder(bytes.NewReader(content))
-	arrayStart, err := decoder.Token()
-	if err != nil {
-		return err
-	} else if arrayStart != json.Delim('[') {
-		return E.New("excepted array start, but got ", arrayStart)
-	}
-	err = a.decodeJSON(decoder)
-	if err != nil {
-		return err
-	}
-	arrayEnd, err := decoder.Token()
-	if err != nil {
-		return err
-	} else if arrayEnd != json.Delim(']') {
-		return E.New("excepted array end, but got ", arrayEnd)
-	}
-	return nil
-}
-
-func (a *JSONArray) decodeJSON(decoder *json.Decoder) error {
-	for decoder.More() {
-		item, err := decodeJSON(decoder)
-		if err != nil {
-			return err
-		}
-		*a = append(*a, item)
-	}
-	return nil
-}

common/badjson/json.go

@@ -1,54 +0,0 @@
-package badjson
-
-import (
-	"bytes"
-
-	"github.com/sagernet/sing-box/common/json"
-	E "github.com/sagernet/sing/common/exceptions"
-)
-
-func Decode(content []byte) (any, error) {
-	decoder := json.NewDecoder(bytes.NewReader(content))
-	return decodeJSON(decoder)
-}
-
-func decodeJSON(decoder *json.Decoder) (any, error) {
-	rawToken, err := decoder.Token()
-	if err != nil {
-		return nil, err
-	}
-	switch token := rawToken.(type) {
-	case json.Delim:
-		switch token {
-		case '{':
-			var object JSONObject
-			err = object.decodeJSON(decoder)
-			if err != nil {
-				return nil, err
-			}
-			rawToken, err = decoder.Token()
-			if err != nil {
-				return nil, err
-			} else if rawToken != json.Delim('}') {
-				return nil, E.New("excepted object end, but got ", rawToken)
-			}
-			return &object, nil
-		case '[':
-			var array JSONArray
-			err = array.decodeJSON(decoder)
-			if err != nil {
-				return nil, err
-			}
-			rawToken, err = decoder.Token()
-			if err != nil {
-				return nil, err
-			} else if rawToken != json.Delim(']') {
-				return nil, E.New("excepted array end, but got ", rawToken)
-			}
-			return array, nil
-		default:
-			return nil, E.New("excepted object or array end: ", token)
-		}
-	}
-	return rawToken, nil
-}

common/badjson/object.go

@@ -1,79 +0,0 @@
-package badjson
-
-import (
-	"bytes"
-	"strings"
-
-	"github.com/sagernet/sing-box/common/json"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/x/linkedhashmap"
-)
-
-type JSONObject struct {
-	linkedhashmap.Map[string, any]
-}
-
-func (m JSONObject) MarshalJSON() ([]byte, error) {
-	buffer := new(bytes.Buffer)
-	buffer.WriteString("{")
-	items := m.Entries()
-	iLen := len(items)
-	for i, entry := range items {
-		keyContent, err := json.Marshal(entry.Key)
-		if err != nil {
-			return nil, err
-		}
-		buffer.WriteString(strings.TrimSpace(string(keyContent)))
-		buffer.WriteString(": ")
-		valueContent, err := json.Marshal(entry.Value)
-		if err != nil {
-			return nil, err
-		}
-		buffer.WriteString(strings.TrimSpace(string(valueContent)))
-		if i < iLen-1 {
-			buffer.WriteString(", ")
-		}
-	}
-	buffer.WriteString("}")
-	return buffer.Bytes(), nil
-}
-
-func (m *JSONObject) UnmarshalJSON(content []byte) error {
-	decoder := json.NewDecoder(bytes.NewReader(content))
-	m.Clear()
-	objectStart, err := decoder.Token()
-	if err != nil {
-		return err
-	} else if objectStart != json.Delim('{') {
-		return E.New("expected json object start, but starts with ", objectStart)
-	}
-	err = m.decodeJSON(decoder)
-	if err != nil {
-		return E.Cause(err, "decode json object content")
-	}
-	objectEnd, err := decoder.Token()
-	if err != nil {
-		return err
-	} else if objectEnd != json.Delim('}') {
-		return E.New("expected json object end, but ends with ", objectEnd)
-	}
-	return nil
-}
-
-func (m *JSONObject) decodeJSON(decoder *json.Decoder) error {
-	for decoder.More() {
-		var entryKey string
-		keyToken, err := decoder.Token()
-		if err != nil {
-			return err
-		}
-		entryKey = keyToken.(string)
-		var entryValue any
-		entryValue, err = decodeJSON(decoder)
-		if err != nil {
-			return E.Cause(err, "decode value for ", entryKey)
-		}
-		m.Put(entryKey, entryValue)
-	}
-	return nil
-}

common/badjsonmerge/merge.go

@@ -1,80 +0,0 @@
-package badjsonmerge
-
-import (
-	"reflect"
-
-	"github.com/sagernet/sing-box/common/badjson"
-	"github.com/sagernet/sing-box/common/json"
-	"github.com/sagernet/sing-box/option"
-	E "github.com/sagernet/sing/common/exceptions"
-)
-
-func MergeOptions(source option.Options, destination option.Options) (option.Options, error) {
-	rawSource, err := json.Marshal(source)
-	if err != nil {
-		return option.Options{}, E.Cause(err, "marshal source")
-	}
-	rawDestination, err := json.Marshal(destination)
-	if err != nil {
-		return option.Options{}, E.Cause(err, "marshal destination")
-	}
-	rawMerged, err := MergeJSON(rawSource, rawDestination)
-	if err != nil {
-		return option.Options{}, E.Cause(err, "merge options")
-	}
-	var merged option.Options
-	err = json.Unmarshal(rawMerged, &merged)
-	if err != nil {
-		return option.Options{}, E.Cause(err, "unmarshal merged options")
-	}
-	return merged, nil
-}
-
-func MergeJSON(rawSource json.RawMessage, rawDestination json.RawMessage) (json.RawMessage, error) {
-	source, err := badjson.Decode(rawSource)
-	if err != nil {
-		return nil, E.Cause(err, "decode source")
-	}
-	destination, err := badjson.Decode(rawDestination)
-	if err != nil {
-		return nil, E.Cause(err, "decode destination")
-	}
-	merged, err := mergeJSON(source, destination)
-	if err != nil {
-		return nil, err
-	}
-	return json.Marshal(merged)
-}
-
-func mergeJSON(anySource any, anyDestination any) (any, error) {
-	switch destination := anyDestination.(type) {
-	case badjson.JSONArray:
-		switch source := anySource.(type) {
-		case badjson.JSONArray:
-			destination = append(destination, source...)
-		default:
-			destination = append(destination, source)
-		}
-		return destination, nil
-	case *badjson.JSONObject:
-		switch source := anySource.(type) {
-		case *badjson.JSONObject:
-			for _, entry := range source.Entries() {
-				oldValue, loaded := destination.Get(entry.Key)
-				if loaded {
-					var err error
-					entry.Value, err = mergeJSON(entry.Value, oldValue)
-					if err != nil {
-						return nil, E.Cause(err, "merge object item ", entry.Key)
-					}
-				}
-				destination.Put(entry.Key, entry.Value)
-			}
-		default:
-			return nil, E.New("cannot merge json object into ", reflect.TypeOf(destination))
-		}
-		return destination, nil
-	default:
-		return destination, nil
-	}
-}

common/badjsonmerge/merge_test.go

@@ -1,59 +0,0 @@
-package badjsonmerge
-
-import (
-	"testing"
-
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/option"
-	N "github.com/sagernet/sing/common/network"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestMergeJSON(t *testing.T) {
-	t.Parallel()
-	options := option.Options{
-		Log: &option.LogOptions{
-			Level: "info",
-		},
-		Route: &option.RouteOptions{
-			Rules: []option.Rule{
-				{
-					Type: C.RuleTypeDefault,
-					DefaultOptions: option.DefaultRule{
-						Network:  []string{N.NetworkTCP},
-						Outbound: "direct",
-					},
-				},
-			},
-		},
-	}
-	anotherOptions := option.Options{
-		Outbounds: []option.Outbound{
-			{
-				Type: C.TypeDirect,
-				Tag:  "direct",
-			},
-		},
-	}
-	thirdOptions := option.Options{
-		Route: &option.RouteOptions{
-			Rules: []option.Rule{
-				{
-					Type: C.RuleTypeDefault,
-					DefaultOptions: option.DefaultRule{
-						Network:  []string{N.NetworkUDP},
-						Outbound: "direct",
-					},
-				},
-			},
-		},
-	}
-	mergeOptions, err := MergeOptions(options, anotherOptions)
-	require.NoError(t, err)
-	mergeOptions, err = MergeOptions(thirdOptions, mergeOptions)
-	require.NoError(t, err)
-	require.Equal(t, "info", mergeOptions.Log.Level)
-	require.Equal(t, 2, len(mergeOptions.Route.Rules))
-	require.Equal(t, C.TypeDirect, mergeOptions.Outbounds[0].Type)
-}

common/badtls/badtls.go

@@ -1,233 +0,0 @@
-//go:build go1.20 && !go1.21
-
-package badtls
-
-import (
-	"crypto/cipher"
-	"crypto/rand"
-	"crypto/tls"
-	"encoding/binary"
-	"io"
-	"net"
-	"reflect"
-	"sync"
-	"sync/atomic"
-	"unsafe"
-
-	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing/common"
-	"github.com/sagernet/sing/common/buf"
-	"github.com/sagernet/sing/common/bufio"
-	E "github.com/sagernet/sing/common/exceptions"
-	N "github.com/sagernet/sing/common/network"
-	aTLS "github.com/sagernet/sing/common/tls"
-)
-
-type Conn struct {
-	*tls.Conn
-	writer              N.ExtendedWriter
-	isHandshakeComplete *atomic.Bool
-	activeCall          *atomic.Int32
-	closeNotifySent     *bool
-	version             *uint16
-	rand                io.Reader
-	halfAccess          *sync.Mutex
-	halfError           *error
-	cipher              cipher.AEAD
-	explicitNonceLen    int
-	halfPtr             uintptr
-	halfSeq             []byte
-	halfScratchBuf      []byte
-}
-
-func TryCreate(conn aTLS.Conn) aTLS.Conn {
-	tlsConn, ok := conn.(*tls.Conn)
-	if !ok {
-		return conn
-	}
-	badConn, err := Create(tlsConn)
-	if err != nil {
-		log.Warn("initialize badtls: ", err)
-		return conn
-	}
-	return badConn
-}
-
-func Create(conn *tls.Conn) (aTLS.Conn, error) {
-	rawConn := reflect.Indirect(reflect.ValueOf(conn))
-	rawIsHandshakeComplete := rawConn.FieldByName("isHandshakeComplete")
-	if !rawIsHandshakeComplete.IsValid() || rawIsHandshakeComplete.Kind() != reflect.Struct {
-		return nil, E.New("badtls: invalid isHandshakeComplete")
-	}
-	isHandshakeComplete := (*atomic.Bool)(unsafe.Pointer(rawIsHandshakeComplete.UnsafeAddr()))
-	if !isHandshakeComplete.Load() {
-		return nil, E.New("handshake not finished")
-	}
-	rawActiveCall := rawConn.FieldByName("activeCall")
-	if !rawActiveCall.IsValid() || rawActiveCall.Kind() != reflect.Struct {
-		return nil, E.New("badtls: invalid active call")
-	}
-	activeCall := (*atomic.Int32)(unsafe.Pointer(rawActiveCall.UnsafeAddr()))
-	rawHalfConn := rawConn.FieldByName("out")
-	if !rawHalfConn.IsValid() || rawHalfConn.Kind() != reflect.Struct {
-		return nil, E.New("badtls: invalid half conn")
-	}
-	rawVersion := rawConn.FieldByName("vers")
-	if !rawVersion.IsValid() || rawVersion.Kind() != reflect.Uint16 {
-		return nil, E.New("badtls: invalid version")
-	}
-	version := (*uint16)(unsafe.Pointer(rawVersion.UnsafeAddr()))
-	rawCloseNotifySent := rawConn.FieldByName("closeNotifySent")
-	if !rawCloseNotifySent.IsValid() || rawCloseNotifySent.Kind() != reflect.Bool {
-		return nil, E.New("badtls: invalid notify")
-	}
-	closeNotifySent := (*bool)(unsafe.Pointer(rawCloseNotifySent.UnsafeAddr()))
-	rawConfig := reflect.Indirect(rawConn.FieldByName("config"))
-	if !rawConfig.IsValid() || rawConfig.Kind() != reflect.Struct {
-		return nil, E.New("badtls: bad config")
-	}
-	config := (*tls.Config)(unsafe.Pointer(rawConfig.UnsafeAddr()))
-	randReader := config.Rand
-	if randReader == nil {
-		randReader = rand.Reader
-	}
-	rawHalfMutex := rawHalfConn.FieldByName("Mutex")
-	if !rawHalfMutex.IsValid() || rawHalfMutex.Kind() != reflect.Struct {
-		return nil, E.New("badtls: invalid half mutex")
-	}
-	halfAccess := (*sync.Mutex)(unsafe.Pointer(rawHalfMutex.UnsafeAddr()))
-	rawHalfError := rawHalfConn.FieldByName("err")
-	if !rawHalfError.IsValid() || rawHalfError.Kind() != reflect.Interface {
-		return nil, E.New("badtls: invalid half error")
-	}
-	halfError := (*error)(unsafe.Pointer(rawHalfError.UnsafeAddr()))
-	rawHalfCipherInterface := rawHalfConn.FieldByName("cipher")
-	if !rawHalfCipherInterface.IsValid() || rawHalfCipherInterface.Kind() != reflect.Interface {
-		return nil, E.New("badtls: invalid cipher interface")
-	}
-	rawHalfCipher := rawHalfCipherInterface.Elem()
-	aeadCipher, loaded := valueInterface(rawHalfCipher, false).(cipher.AEAD)
-	if !loaded {
-		return nil, E.New("badtls: invalid AEAD cipher")
-	}
-	var explicitNonceLen int
-	switch cipherName := reflect.Indirect(rawHalfCipher).Type().String(); cipherName {
-	case "tls.prefixNonceAEAD":
-		explicitNonceLen = aeadCipher.NonceSize()
-	case "tls.xorNonceAEAD":
-	default:
-		return nil, E.New("badtls: unknown cipher type: ", cipherName)
-	}
-	rawHalfSeq := rawHalfConn.FieldByName("seq")
-	if !rawHalfSeq.IsValid() || rawHalfSeq.Kind() != reflect.Array {
-		return nil, E.New("badtls: invalid seq")
-	}
-	halfSeq := rawHalfSeq.Bytes()
-	rawHalfScratchBuf := rawHalfConn.FieldByName("scratchBuf")
-	if !rawHalfScratchBuf.IsValid() || rawHalfScratchBuf.Kind() != reflect.Array {
-		return nil, E.New("badtls: invalid scratchBuf")
-	}
-	halfScratchBuf := rawHalfScratchBuf.Bytes()
-	return &Conn{
-		Conn:                conn,
-		writer:              bufio.NewExtendedWriter(conn.NetConn()),
-		isHandshakeComplete: isHandshakeComplete,
-		activeCall:          activeCall,
-		closeNotifySent:     closeNotifySent,
-		version:             version,
-		halfAccess:          halfAccess,
-		halfError:           halfError,
-		cipher:              aeadCipher,
-		explicitNonceLen:    explicitNonceLen,
-		rand:                randReader,
-		halfPtr:             rawHalfConn.UnsafeAddr(),
-		halfSeq:             halfSeq,
-		halfScratchBuf:      halfScratchBuf,
-	}, nil
-}
-
-func (c *Conn) WriteBuffer(buffer *buf.Buffer) error {
-	if buffer.Len() > maxPlaintext {
-		defer buffer.Release()
-		return common.Error(c.Write(buffer.Bytes()))
-	}
-	for {
-		x := c.activeCall.Load()
-		if x&1 != 0 {
-			return net.ErrClosed
-		}
-		if c.activeCall.CompareAndSwap(x, x+2) {
-			break
-		}
-	}
-	defer c.activeCall.Add(-2)
-	c.halfAccess.Lock()
-	defer c.halfAccess.Unlock()
-	if err := *c.halfError; err != nil {
-		return err
-	}
-	if *c.closeNotifySent {
-		return errShutdown
-	}
-	dataLen := buffer.Len()
-	dataBytes := buffer.Bytes()
-	outBuf := buffer.ExtendHeader(recordHeaderLen + c.explicitNonceLen)
-	outBuf[0] = 23
-	version := *c.version
-	if version == 0 {
-		version = tls.VersionTLS10
-	} else if version == tls.VersionTLS13 {
-		version = tls.VersionTLS12
-	}
-	binary.BigEndian.PutUint16(outBuf[1:], version)
-	var nonce []byte
-	if c.explicitNonceLen > 0 {
-		nonce = outBuf[5 : 5+c.explicitNonceLen]
-		if c.explicitNonceLen < 16 {
-			copy(nonce, c.halfSeq)
-		} else {
-			if _, err := io.ReadFull(c.rand, nonce); err != nil {
-				return err
-			}
-		}
-	}
-	if len(nonce) == 0 {
-		nonce = c.halfSeq
-	}
-	if *c.version == tls.VersionTLS13 {
-		buffer.FreeBytes()[0] = 23
-		binary.BigEndian.PutUint16(outBuf[3:], uint16(dataLen+1+c.cipher.Overhead()))
-		c.cipher.Seal(outBuf, nonce, outBuf[recordHeaderLen:recordHeaderLen+c.explicitNonceLen+dataLen+1], outBuf[:recordHeaderLen])
-		buffer.Extend(1 + c.cipher.Overhead())
-	} else {
-		binary.BigEndian.PutUint16(outBuf[3:], uint16(dataLen))
-		additionalData := append(c.halfScratchBuf[:0], c.halfSeq...)
-		additionalData = append(additionalData, outBuf[:recordHeaderLen]...)
-		c.cipher.Seal(outBuf, nonce, dataBytes, additionalData)
-		buffer.Extend(c.cipher.Overhead())
-		binary.BigEndian.PutUint16(outBuf[3:], uint16(dataLen+c.explicitNonceLen+c.cipher.Overhead()))
-	}
-	incSeq(c.halfPtr)
-	log.Trace("badtls write ", buffer.Len())
-	return c.writer.WriteBuffer(buffer)
-}
-
-func (c *Conn) FrontHeadroom() int {
-	return recordHeaderLen + c.explicitNonceLen
-}
-
-func (c *Conn) RearHeadroom() int {
-	return 1 + c.cipher.Overhead()
-}
-
-func (c *Conn) WriterMTU() int {
-	return maxPlaintext
-}
-
-func (c *Conn) Upstream() any {
-	return c.Conn
-}
-
-func (c *Conn) UpstreamWriter() any {
-	return c.NetConn()
-}

common/badtls/badtls_stub.go

@@ -1,14 +0,0 @@
-//go:build !go1.19 || go1.21
-
-package badtls
-
-import (
-	"crypto/tls"
-	"os"
-
-	aTLS "github.com/sagernet/sing/common/tls"
-)
-
-func Create(conn *tls.Conn) (aTLS.Conn, error) {
-	return nil, os.ErrInvalid
-}

common/badtls/link.go

@@ -1,22 +0,0 @@
-//go:build go1.20 && !go.1.21
-
-package badtls
-
-import (
-	"reflect"
-	_ "unsafe"
-)
-
-const (
-	maxPlaintext    = 16384 // maximum plaintext payload length
-	recordHeaderLen = 5     // record header length
-)
-
-//go:linkname errShutdown crypto/tls.errShutdown
-var errShutdown error
-
-//go:linkname incSeq crypto/tls.(*halfConn).incSeq
-func incSeq(conn uintptr)
-
-//go:linkname valueInterface reflect.valueInterface
-func valueInterface(v reflect.Value, safe bool) any

common/badtls/read_wait.go

@@ -0,0 +1,151 @@
+//go:build go1.21 && !without_badtls
+
+package badtls
+
+import (
+	"bytes"
+	"context"
+	"net"
+	"os"
+	"reflect"
+	"sync"
+	"unsafe"
+
+	"github.com/sagernet/sing/common/buf"
+	E "github.com/sagernet/sing/common/exceptions"
+	N "github.com/sagernet/sing/common/network"
+	"github.com/sagernet/sing/common/tls"
+)
+
+var _ N.ReadWaiter = (*ReadWaitConn)(nil)
+
+type ReadWaitConn struct {
+	tls.Conn
+	halfAccess                    *sync.Mutex
+	rawInput                      *bytes.Buffer
+	input                         *bytes.Reader
+	hand                          *bytes.Buffer
+	readWaitOptions               N.ReadWaitOptions
+	tlsReadRecord                 func() error
+	tlsHandlePostHandshakeMessage func() error
+}
+
+func NewReadWaitConn(conn tls.Conn) (tls.Conn, error) {
+	var (
+		loaded                        bool
+		tlsReadRecord                 func() error
+		tlsHandlePostHandshakeMessage func() error
+	)
+	for _, tlsCreator := range tlsRegistry {
+		loaded, tlsReadRecord, tlsHandlePostHandshakeMessage = tlsCreator(conn)
+		if loaded {
+			break
+		}
+	}
+	if !loaded {
+		return nil, os.ErrInvalid
+	}
+	rawConn := reflect.Indirect(reflect.ValueOf(conn))
+	rawHalfConn := rawConn.FieldByName("in")
+	if !rawHalfConn.IsValid() || rawHalfConn.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid half conn")
+	}
+	rawHalfMutex := rawHalfConn.FieldByName("Mutex")
+	if !rawHalfMutex.IsValid() || rawHalfMutex.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid half mutex")
+	}
+	halfAccess := (*sync.Mutex)(unsafe.Pointer(rawHalfMutex.UnsafeAddr()))
+	rawRawInput := rawConn.FieldByName("rawInput")
+	if !rawRawInput.IsValid() || rawRawInput.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid raw input")
+	}
+	rawInput := (*bytes.Buffer)(unsafe.Pointer(rawRawInput.UnsafeAddr()))
+	rawInput0 := rawConn.FieldByName("input")
+	if !rawInput0.IsValid() || rawInput0.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid input")
+	}
+	input := (*bytes.Reader)(unsafe.Pointer(rawInput0.UnsafeAddr()))
+	rawHand := rawConn.FieldByName("hand")
+	if !rawHand.IsValid() || rawHand.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid hand")
+	}
+	hand := (*bytes.Buffer)(unsafe.Pointer(rawHand.UnsafeAddr()))
+	return &ReadWaitConn{
+		Conn:                          conn,
+		halfAccess:                    halfAccess,
+		rawInput:                      rawInput,
+		input:                         input,
+		hand:                          hand,
+		tlsReadRecord:                 tlsReadRecord,
+		tlsHandlePostHandshakeMessage: tlsHandlePostHandshakeMessage,
+	}, nil
+}
+
+func (c *ReadWaitConn) InitializeReadWaiter(options N.ReadWaitOptions) (needCopy bool) {
+	c.readWaitOptions = options
+	return false
+}
+
+func (c *ReadWaitConn) WaitReadBuffer() (buffer *buf.Buffer, err error) {
+	err = c.HandshakeContext(context.Background())
+	if err != nil {
+		return
+	}
+	c.halfAccess.Lock()
+	defer c.halfAccess.Unlock()
+	for c.input.Len() == 0 {
+		err = c.tlsReadRecord()
+		if err != nil {
+			return
+		}
+		for c.hand.Len() > 0 {
+			err = c.tlsHandlePostHandshakeMessage()
+			if err != nil {
+				return
+			}
+		}
+	}
+	buffer = c.readWaitOptions.NewBuffer()
+	n, err := c.input.Read(buffer.FreeBytes())
+	if err != nil {
+		buffer.Release()
+		return
+	}
+	buffer.Truncate(n)
+
+	if n != 0 && c.input.Len() == 0 && c.rawInput.Len() > 0 &&
+		// recordType(c.rawInput.Bytes()[0]) == recordTypeAlert {
+		c.rawInput.Bytes()[0] == 21 {
+		_ = c.tlsReadRecord()
+		// return n, err // will be io.EOF on closeNotify
+	}
+
+	c.readWaitOptions.PostReturn(buffer)
+	return
+}
+
+func (c *ReadWaitConn) Upstream() any {
+	return c.Conn
+}
+
+var tlsRegistry []func(conn net.Conn) (loaded bool, tlsReadRecord func() error, tlsHandlePostHandshakeMessage func() error)
+
+func init() {
+	tlsRegistry = append(tlsRegistry, func(conn net.Conn) (loaded bool, tlsReadRecord func() error, tlsHandlePostHandshakeMessage func() error) {
+		tlsConn, loaded := conn.(*tls.STDConn)
+		if !loaded {
+			return
+		}
+		return true, func() error {
+				return stdTLSReadRecord(tlsConn)
+			}, func() error {
+				return stdTLSHandlePostHandshakeMessage(tlsConn)
+			}
+	})
+}
+
+//go:linkname stdTLSReadRecord crypto/tls.(*Conn).readRecord
+func stdTLSReadRecord(c *tls.STDConn) error
+
+//go:linkname stdTLSHandlePostHandshakeMessage crypto/tls.(*Conn).handlePostHandshakeMessage
+func stdTLSHandlePostHandshakeMessage(c *tls.STDConn) error

common/badtls/read_wait_ech.go

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

common/badtls/read_wait_stub.go

@@ -0,0 +1,13 @@
+//go:build !go1.21 || without_badtls
+
+package badtls
+
+import (
+	"os"
+
+	"github.com/sagernet/sing/common/tls"
+)
+
+func NewReadWaitConn(conn tls.Conn) (tls.Conn, error) {
+	return nil, os.ErrInvalid
+}

common/badtls/read_wait_utls.go

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

common/badversion/version_json.go

@@ -1,6 +1,6 @@
 package badversion
 
-import "github.com/sagernet/sing-box/common/json"
+import "github.com/sagernet/sing/common/json"
 
 func (v Version) MarshalJSON() ([]byte, error) {
 	return json.Marshal(v.String())

common/contextjson/README.md

@@ -1,3 +0,0 @@
-# contextjson
-
-mod from go1.21.4

common/contextjson/decode_context.go

@@ -1,49 +0,0 @@
-package json
-
-import "strconv"
-
-type decodeContext struct {
-	parent *decodeContext
-	index  int
-	key    string
-}
-
-func (d *decodeState) formatContext() string {
-	var description string
-	context := d.context
-	var appendDot bool
-	for context != nil {
-		if appendDot {
-			description = "." + description
-		}
-		if context.key != "" {
-			description = context.key + description
-			appendDot = true
-		} else {
-			description = "[" + strconv.Itoa(context.index) + "]" + description
-			appendDot = false
-		}
-		context = context.parent
-	}
-	return description
-}
-
-type contextError struct {
-	parent  error
-	context string
-	index   bool
-}
-
-func (c *contextError) Unwrap() error {
-	return c.parent
-}
-
-func (c *contextError) Error() string {
-	//goland:noinspection GoTypeAssertionOnErrors
-	switch c.parent.(type) {
-	case *contextError:
-		return c.context + "." + c.parent.Error()
-	default:
-		return c.context + ": " + c.parent.Error()
-	}
-}

common/contextjson/fold.go

@@ -1,48 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package json
-
-import (
-	"unicode"
-	"unicode/utf8"
-)
-
-// foldName returns a folded string such that foldName(x) == foldName(y)
-// is identical to bytes.EqualFold(x, y).
-func foldName(in []byte) []byte {
-	// This is inlinable to take advantage of "function outlining".
-	var arr [32]byte // large enough for most JSON names
-	return appendFoldedName(arr[:0], in)
-}
-
-func appendFoldedName(out, in []byte) []byte {
-	for i := 0; i < len(in); {
-		// Handle single-byte ASCII.
-		if c := in[i]; c < utf8.RuneSelf {
-			if 'a' <= c && c <= 'z' {
-				c -= 'a' - 'A'
-			}
-			out = append(out, c)
-			i++
-			continue
-		}
-		// Handle multi-byte Unicode.
-		r, n := utf8.DecodeRune(in[i:])
-		out = utf8.AppendRune(out, foldRune(r))
-		i += n
-	}
-	return out
-}
-
-// foldRune is returns the smallest rune for all runes in the same fold set.
-func foldRune(r rune) rune {
-	for {
-		r2 := unicode.SimpleFold(r)
-		if r2 <= r {
-			return r2
-		}
-		r = r2
-	}
-}

common/contextjson/indent.go

@@ -1,174 +0,0 @@
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package json
-
-import "bytes"
-
-// HTMLEscape appends to dst the JSON-encoded src with <, >, &, U+2028 and U+2029
-// characters inside string literals changed to \u003c, \u003e, \u0026, \u2028, \u2029
-// so that the JSON will be safe to embed inside HTML <script> tags.
-// For historical reasons, web browsers don't honor standard HTML
-// escaping within <script> tags, so an alternative JSON encoding must be used.
-func HTMLEscape(dst *bytes.Buffer, src []byte) {
-	dst.Grow(len(src))
-	dst.Write(appendHTMLEscape(dst.AvailableBuffer(), src))
-}
-
-func appendHTMLEscape(dst, src []byte) []byte {
-	// The characters can only appear in string literals,
-	// so just scan the string one byte at a time.
-	start := 0
-	for i, c := range src {
-		if c == '<' || c == '>' || c == '&' {
-			dst = append(dst, src[start:i]...)
-			dst = append(dst, '\\', 'u', '0', '0', hex[c>>4], hex[c&0xF])
-			start = i + 1
-		}
-		// Convert U+2028 and U+2029 (E2 80 A8 and E2 80 A9).
-		if c == 0xE2 && i+2 < len(src) && src[i+1] == 0x80 && src[i+2]&^1 == 0xA8 {
-			dst = append(dst, src[start:i]...)
-			dst = append(dst, '\\', 'u', '2', '0', '2', hex[src[i+2]&0xF])
-			start = i + len("\u2029")
-		}
-	}
-	return append(dst, src[start:]...)
-}
-
-// Compact appends to dst the JSON-encoded src with
-// insignificant space characters elided.
-func Compact(dst *bytes.Buffer, src []byte) error {
-	dst.Grow(len(src))
-	b := dst.AvailableBuffer()
-	b, err := appendCompact(b, src, false)
-	dst.Write(b)
-	return err
-}
-
-func appendCompact(dst, src []byte, escape bool) ([]byte, error) {
-	origLen := len(dst)
-	scan := newScanner()
-	defer freeScanner(scan)
-	start := 0
-	for i, c := range src {
-		if escape && (c == '<' || c == '>' || c == '&') {
-			dst = append(dst, src[start:i]...)
-			dst = append(dst, '\\', 'u', '0', '0', hex[c>>4], hex[c&0xF])
-			start = i + 1
-		}
-		// Convert U+2028 and U+2029 (E2 80 A8 and E2 80 A9).
-		if escape && c == 0xE2 && i+2 < len(src) && src[i+1] == 0x80 && src[i+2]&^1 == 0xA8 {
-			dst = append(dst, src[start:i]...)
-			dst = append(dst, '\\', 'u', '2', '0', '2', hex[src[i+2]&0xF])
-			start = i + len("\u2029")
-		}
-		v := scan.step(scan, c)
-		if v >= scanSkipSpace {
-			if v == scanError {
-				break
-			}
-			dst = append(dst, src[start:i]...)
-			start = i + 1
-		}
-	}
-	if scan.eof() == scanError {
-		return dst[:origLen], scan.err
-	}
-	dst = append(dst, src[start:]...)
-	return dst, nil
-}
-
-func appendNewline(dst []byte, prefix, indent string, depth int) []byte {
-	dst = append(dst, '\n')
-	dst = append(dst, prefix...)
-	for i := 0; i < depth; i++ {
-		dst = append(dst, indent...)
-	}
-	return dst
-}
-
-// indentGrowthFactor specifies the growth factor of indenting JSON input.
-// Empirically, the growth factor was measured to be between 1.4x to 1.8x
-// for some set of compacted JSON with the indent being a single tab.
-// Specify a growth factor slightly larger than what is observed
-// to reduce probability of allocation in appendIndent.
-// A factor no higher than 2 ensures that wasted space never exceeds 50%.
-const indentGrowthFactor = 2
-
-// Indent appends to dst an indented form of the JSON-encoded src.
-// Each element in a JSON object or array begins on a new,
-// indented line beginning with prefix followed by one or more
-// copies of indent according to the indentation nesting.
-// The data appended to dst does not begin with the prefix nor
-// any indentation, to make it easier to embed inside other formatted JSON data.
-// Although leading space characters (space, tab, carriage return, newline)
-// at the beginning of src are dropped, trailing space characters
-// at the end of src are preserved and copied to dst.
-// For example, if src has no trailing spaces, neither will dst;
-// if src ends in a trailing newline, so will dst.
-func Indent(dst *bytes.Buffer, src []byte, prefix, indent string) error {
-	dst.Grow(indentGrowthFactor * len(src))
-	b := dst.AvailableBuffer()
-	b, err := appendIndent(b, src, prefix, indent)
-	dst.Write(b)
-	return err
-}
-
-func appendIndent(dst, src []byte, prefix, indent string) ([]byte, error) {
-	origLen := len(dst)
-	scan := newScanner()
-	defer freeScanner(scan)
-	needIndent := false
-	depth := 0
-	for _, c := range src {
-		scan.bytes++
-		v := scan.step(scan, c)
-		if v == scanSkipSpace {
-			continue
-		}
-		if v == scanError {
-			break
-		}
-		if needIndent && v != scanEndObject && v != scanEndArray {
-			needIndent = false
-			depth++
-			dst = appendNewline(dst, prefix, indent, depth)
-		}
-
-		// Emit semantically uninteresting bytes
-		// (in particular, punctuation in strings) unmodified.
-		if v == scanContinue {
-			dst = append(dst, c)
-			continue
-		}
-
-		// Add spacing around real punctuation.
-		switch c {
-		case '{', '[':
-			// delay indent so that empty object and array are formatted as {} and [].
-			needIndent = true
-			dst = append(dst, c)
-		case ',':
-			dst = append(dst, c)
-			dst = appendNewline(dst, prefix, indent, depth)
-		case ':':
-			dst = append(dst, c, ' ')
-		case '}', ']':
-			if needIndent {
-				// suppress indent in empty object/array
-				needIndent = false
-			} else {
-				depth--
-				dst = appendNewline(dst, prefix, indent, depth)
-			}
-			dst = append(dst, c)
-		default:
-			dst = append(dst, c)
-		}
-	}
-	if scan.eof() == scanError {
-		return dst[:origLen], scan.err
-	}
-	return dst, nil
-}

common/contextjson/scanner.go

@@ -1,610 +0,0 @@
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package json
-
-// JSON value parser state machine.
-// Just about at the limit of what is reasonable to write by hand.
-// Some parts are a bit tedious, but overall it nicely factors out the
-// otherwise common code from the multiple scanning functions
-// in this package (Compact, Indent, checkValid, etc).
-//
-// This file starts with two simple examples using the scanner
-// before diving into the scanner itself.
-
-import (
-	"strconv"
-	"sync"
-)
-
-// Valid reports whether data is a valid JSON encoding.
-func Valid(data []byte) bool {
-	scan := newScanner()
-	defer freeScanner(scan)
-	return checkValid(data, scan) == nil
-}
-
-// checkValid verifies that data is valid JSON-encoded data.
-// scan is passed in for use by checkValid to avoid an allocation.
-// checkValid returns nil or a SyntaxError.
-func checkValid(data []byte, scan *scanner) error {
-	scan.reset()
-	for _, c := range data {
-		scan.bytes++
-		if scan.step(scan, c) == scanError {
-			return scan.err
-		}
-	}
-	if scan.eof() == scanError {
-		return scan.err
-	}
-	return nil
-}
-
-// A SyntaxError is a description of a JSON syntax error.
-// Unmarshal will return a SyntaxError if the JSON can't be parsed.
-type SyntaxError struct {
-	msg    string // description of error
-	Offset int64  // error occurred after reading Offset bytes
-}
-
-func (e *SyntaxError) Error() string { return e.msg }
-
-// A scanner is a JSON scanning state machine.
-// Callers call scan.reset and then pass bytes in one at a time
-// by calling scan.step(&scan, c) for each byte.
-// The return value, referred to as an opcode, tells the
-// caller about significant parsing events like beginning
-// and ending literals, objects, and arrays, so that the
-// caller can follow along if it wishes.
-// The return value scanEnd indicates that a single top-level
-// JSON value has been completed, *before* the byte that
-// just got passed in.  (The indication must be delayed in order
-// to recognize the end of numbers: is 123 a whole value or
-// the beginning of 12345e+6?).
-type scanner struct {
-	// The step is a func to be called to execute the next transition.
-	// Also tried using an integer constant and a single func
-	// with a switch, but using the func directly was 10% faster
-	// on a 64-bit Mac Mini, and it's nicer to read.
-	step func(*scanner, byte) int
-
-	// Reached end of top-level value.
-	endTop bool
-
-	// Stack of what we're in the middle of - array values, object keys, object values.
-	parseState []int
-
-	// Error that happened, if any.
-	err error
-
-	// total bytes consumed, updated by decoder.Decode (and deliberately
-	// not set to zero by scan.reset)
-	bytes int64
-}
-
-var scannerPool = sync.Pool{
-	New: func() any {
-		return &scanner{}
-	},
-}
-
-func newScanner() *scanner {
-	scan := scannerPool.Get().(*scanner)
-	// scan.reset by design doesn't set bytes to zero
-	scan.bytes = 0
-	scan.reset()
-	return scan
-}
-
-func freeScanner(scan *scanner) {
-	// Avoid hanging on to too much memory in extreme cases.
-	if len(scan.parseState) > 1024 {
-		scan.parseState = nil
-	}
-	scannerPool.Put(scan)
-}
-
-// These values are returned by the state transition functions
-// assigned to scanner.state and the method scanner.eof.
-// They give details about the current state of the scan that
-// callers might be interested to know about.
-// It is okay to ignore the return value of any particular
-// call to scanner.state: if one call returns scanError,
-// every subsequent call will return scanError too.
-const (
-	// Continue.
-	scanContinue     = iota // uninteresting byte
-	scanBeginLiteral        // end implied by next result != scanContinue
-	scanBeginObject         // begin object
-	scanObjectKey           // just finished object key (string)
-	scanObjectValue         // just finished non-last object value
-	scanEndObject           // end object (implies scanObjectValue if possible)
-	scanBeginArray          // begin array
-	scanArrayValue          // just finished array value
-	scanEndArray            // end array (implies scanArrayValue if possible)
-	scanSkipSpace           // space byte; can skip; known to be last "continue" result
-
-	// Stop.
-	scanEnd   // top-level value ended *before* this byte; known to be first "stop" result
-	scanError // hit an error, scanner.err.
-)
-
-// These values are stored in the parseState stack.
-// They give the current state of a composite value
-// being scanned. If the parser is inside a nested value
-// the parseState describes the nested state, outermost at entry 0.
-const (
-	parseObjectKey   = iota // parsing object key (before colon)
-	parseObjectValue        // parsing object value (after colon)
-	parseArrayValue         // parsing array value
-)
-
-// This limits the max nesting depth to prevent stack overflow.
-// This is permitted by https://tools.ietf.org/html/rfc7159#section-9
-const maxNestingDepth = 10000
-
-// reset prepares the scanner for use.
-// It must be called before calling s.step.
-func (s *scanner) reset() {
-	s.step = stateBeginValue
-	s.parseState = s.parseState[0:0]
-	s.err = nil
-	s.endTop = false
-}
-
-// eof tells the scanner that the end of input has been reached.
-// It returns a scan status just as s.step does.
-func (s *scanner) eof() int {
-	if s.err != nil {
-		return scanError
-	}
-	if s.endTop {
-		return scanEnd
-	}
-	s.step(s, ' ')
-	if s.endTop {
-		return scanEnd
-	}
-	if s.err == nil {
-		s.err = &SyntaxError{"unexpected end of JSON input", s.bytes}
-	}
-	return scanError
-}
-
-// pushParseState pushes a new parse state p onto the parse stack.
-// an error state is returned if maxNestingDepth was exceeded, otherwise successState is returned.
-func (s *scanner) pushParseState(c byte, newParseState int, successState int) int {
-	s.parseState = append(s.parseState, newParseState)
-	if len(s.parseState) <= maxNestingDepth {
-		return successState
-	}
-	return s.error(c, "exceeded max depth")
-}
-
-// popParseState pops a parse state (already obtained) off the stack
-// and updates s.step accordingly.
-func (s *scanner) popParseState() {
-	n := len(s.parseState) - 1
-	s.parseState = s.parseState[0:n]
-	if n == 0 {
-		s.step = stateEndTop
-		s.endTop = true
-	} else {
-		s.step = stateEndValue
-	}
-}
-
-func isSpace(c byte) bool {
-	return c <= ' ' && (c == ' ' || c == '\t' || c == '\r' || c == '\n')
-}
-
-// stateBeginValueOrEmpty is the state after reading `[`.
-func stateBeginValueOrEmpty(s *scanner, c byte) int {
-	if isSpace(c) {
-		return scanSkipSpace
-	}
-	if c == ']' {
-		return stateEndValue(s, c)
-	}
-	return stateBeginValue(s, c)
-}
-
-// stateBeginValue is the state at the beginning of the input.
-func stateBeginValue(s *scanner, c byte) int {
-	if isSpace(c) {
-		return scanSkipSpace
-	}
-	switch c {
-	case '{':
-		s.step = stateBeginStringOrEmpty
-		return s.pushParseState(c, parseObjectKey, scanBeginObject)
-	case '[':
-		s.step = stateBeginValueOrEmpty
-		return s.pushParseState(c, parseArrayValue, scanBeginArray)
-	case '"':
-		s.step = stateInString
-		return scanBeginLiteral
-	case '-':
-		s.step = stateNeg
-		return scanBeginLiteral
-	case '0': // beginning of 0.123
-		s.step = state0
-		return scanBeginLiteral
-	case 't': // beginning of true
-		s.step = stateT
-		return scanBeginLiteral
-	case 'f': // beginning of false
-		s.step = stateF
-		return scanBeginLiteral
-	case 'n': // beginning of null
-		s.step = stateN
-		return scanBeginLiteral
-	}
-	if '1' <= c && c <= '9' { // beginning of 1234.5
-		s.step = state1
-		return scanBeginLiteral
-	}
-	return s.error(c, "looking for beginning of value")
-}
-
-// stateBeginStringOrEmpty is the state after reading `{`.
-func stateBeginStringOrEmpty(s *scanner, c byte) int {
-	if isSpace(c) {
-		return scanSkipSpace
-	}
-	if c == '}' {
-		n := len(s.parseState)
-		s.parseState[n-1] = parseObjectValue
-		return stateEndValue(s, c)
-	}
-	return stateBeginString(s, c)
-}
-
-// stateBeginString is the state after reading `{"key": value,`.
-func stateBeginString(s *scanner, c byte) int {
-	if isSpace(c) {
-		return scanSkipSpace
-	}
-	if c == '"' {
-		s.step = stateInString
-		return scanBeginLiteral
-	}
-	return s.error(c, "looking for beginning of object key string")
-}
-
-// stateEndValue is the state after completing a value,
-// such as after reading `{}` or `true` or `["x"`.
-func stateEndValue(s *scanner, c byte) int {
-	n := len(s.parseState)
-	if n == 0 {
-		// Completed top-level before the current byte.
-		s.step = stateEndTop
-		s.endTop = true
-		return stateEndTop(s, c)
-	}
-	if isSpace(c) {
-		s.step = stateEndValue
-		return scanSkipSpace
-	}
-	ps := s.parseState[n-1]
-	switch ps {
-	case parseObjectKey:
-		if c == ':' {
-			s.parseState[n-1] = parseObjectValue
-			s.step = stateBeginValue
-			return scanObjectKey
-		}
-		return s.error(c, "after object key")
-	case parseObjectValue:
-		if c == ',' {
-			s.parseState[n-1] = parseObjectKey
-			s.step = stateBeginString
-			return scanObjectValue
-		}
-		if c == '}' {
-			s.popParseState()
-			return scanEndObject
-		}
-		return s.error(c, "after object key:value pair")
-	case parseArrayValue:
-		if c == ',' {
-			s.step = stateBeginValue
-			return scanArrayValue
-		}
-		if c == ']' {
-			s.popParseState()
-			return scanEndArray
-		}
-		return s.error(c, "after array element")
-	}
-	return s.error(c, "")
-}
-
-// stateEndTop is the state after finishing the top-level value,
-// such as after reading `{}` or `[1,2,3]`.
-// Only space characters should be seen now.
-func stateEndTop(s *scanner, c byte) int {
-	if !isSpace(c) {
-		// Complain about non-space byte on next call.
-		s.error(c, "after top-level value")
-	}
-	return scanEnd
-}
-
-// stateInString is the state after reading `"`.
-func stateInString(s *scanner, c byte) int {
-	if c == '"' {
-		s.step = stateEndValue
-		return scanContinue
-	}
-	if c == '\\' {
-		s.step = stateInStringEsc
-		return scanContinue
-	}
-	if c < 0x20 {
-		return s.error(c, "in string literal")
-	}
-	return scanContinue
-}
-
-// stateInStringEsc is the state after reading `"\` during a quoted string.
-func stateInStringEsc(s *scanner, c byte) int {
-	switch c {
-	case 'b', 'f', 'n', 'r', 't', '\\', '/', '"':
-		s.step = stateInString
-		return scanContinue
-	case 'u':
-		s.step = stateInStringEscU
-		return scanContinue
-	}
-	return s.error(c, "in string escape code")
-}
-
-// stateInStringEscU is the state after reading `"\u` during a quoted string.
-func stateInStringEscU(s *scanner, c byte) int {
-	if '0' <= c && c <= '9' || 'a' <= c && c <= 'f' || 'A' <= c && c <= 'F' {
-		s.step = stateInStringEscU1
-		return scanContinue
-	}
-	// numbers
-	return s.error(c, "in \\u hexadecimal character escape")
-}
-
-// stateInStringEscU1 is the state after reading `"\u1` during a quoted string.
-func stateInStringEscU1(s *scanner, c byte) int {
-	if '0' <= c && c <= '9' || 'a' <= c && c <= 'f' || 'A' <= c && c <= 'F' {
-		s.step = stateInStringEscU12
-		return scanContinue
-	}
-	// numbers
-	return s.error(c, "in \\u hexadecimal character escape")
-}
-
-// stateInStringEscU12 is the state after reading `"\u12` during a quoted string.
-func stateInStringEscU12(s *scanner, c byte) int {
-	if '0' <= c && c <= '9' || 'a' <= c && c <= 'f' || 'A' <= c && c <= 'F' {
-		s.step = stateInStringEscU123
-		return scanContinue
-	}
-	// numbers
-	return s.error(c, "in \\u hexadecimal character escape")
-}
-
-// stateInStringEscU123 is the state after reading `"\u123` during a quoted string.
-func stateInStringEscU123(s *scanner, c byte) int {
-	if '0' <= c && c <= '9' || 'a' <= c && c <= 'f' || 'A' <= c && c <= 'F' {
-		s.step = stateInString
-		return scanContinue
-	}
-	// numbers
-	return s.error(c, "in \\u hexadecimal character escape")
-}
-
-// stateNeg is the state after reading `-` during a number.
-func stateNeg(s *scanner, c byte) int {
-	if c == '0' {
-		s.step = state0
-		return scanContinue
-	}
-	if '1' <= c && c <= '9' {
-		s.step = state1
-		return scanContinue
-	}
-	return s.error(c, "in numeric literal")
-}
-
-// state1 is the state after reading a non-zero integer during a number,
-// such as after reading `1` or `100` but not `0`.
-func state1(s *scanner, c byte) int {
-	if '0' <= c && c <= '9' {
-		s.step = state1
-		return scanContinue
-	}
-	return state0(s, c)
-}
-
-// state0 is the state after reading `0` during a number.
-func state0(s *scanner, c byte) int {
-	if c == '.' {
-		s.step = stateDot
-		return scanContinue
-	}
-	if c == 'e' || c == 'E' {
-		s.step = stateE
-		return scanContinue
-	}
-	return stateEndValue(s, c)
-}
-
-// stateDot is the state after reading the integer and decimal point in a number,
-// such as after reading `1.`.
-func stateDot(s *scanner, c byte) int {
-	if '0' <= c && c <= '9' {
-		s.step = stateDot0
-		return scanContinue
-	}
-	return s.error(c, "after decimal point in numeric literal")
-}
-
-// stateDot0 is the state after reading the integer, decimal point, and subsequent
-// digits of a number, such as after reading `3.14`.
-func stateDot0(s *scanner, c byte) int {
-	if '0' <= c && c <= '9' {
-		return scanContinue
-	}
-	if c == 'e' || c == 'E' {
-		s.step = stateE
-		return scanContinue
-	}
-	return stateEndValue(s, c)
-}
-
-// stateE is the state after reading the mantissa and e in a number,
-// such as after reading `314e` or `0.314e`.
-func stateE(s *scanner, c byte) int {
-	if c == '+' || c == '-' {
-		s.step = stateESign
-		return scanContinue
-	}
-	return stateESign(s, c)
-}
-
-// stateESign is the state after reading the mantissa, e, and sign in a number,
-// such as after reading `314e-` or `0.314e+`.
-func stateESign(s *scanner, c byte) int {
-	if '0' <= c && c <= '9' {
-		s.step = stateE0
-		return scanContinue
-	}
-	return s.error(c, "in exponent of numeric literal")
-}
-
-// stateE0 is the state after reading the mantissa, e, optional sign,
-// and at least one digit of the exponent in a number,
-// such as after reading `314e-2` or `0.314e+1` or `3.14e0`.
-func stateE0(s *scanner, c byte) int {
-	if '0' <= c && c <= '9' {
-		return scanContinue
-	}
-	return stateEndValue(s, c)
-}
-
-// stateT is the state after reading `t`.
-func stateT(s *scanner, c byte) int {
-	if c == 'r' {
-		s.step = stateTr
-		return scanContinue
-	}
-	return s.error(c, "in literal true (expecting 'r')")
-}
-
-// stateTr is the state after reading `tr`.
-func stateTr(s *scanner, c byte) int {
-	if c == 'u' {
-		s.step = stateTru
-		return scanContinue
-	}
-	return s.error(c, "in literal true (expecting 'u')")
-}
-
-// stateTru is the state after reading `tru`.
-func stateTru(s *scanner, c byte) int {
-	if c == 'e' {
-		s.step = stateEndValue
-		return scanContinue
-	}
-	return s.error(c, "in literal true (expecting 'e')")
-}
-
-// stateF is the state after reading `f`.
-func stateF(s *scanner, c byte) int {
-	if c == 'a' {
-		s.step = stateFa
-		return scanContinue
-	}
-	return s.error(c, "in literal false (expecting 'a')")
-}
-
-// stateFa is the state after reading `fa`.
-func stateFa(s *scanner, c byte) int {
-	if c == 'l' {
-		s.step = stateFal
-		return scanContinue
-	}
-	return s.error(c, "in literal false (expecting 'l')")
-}
-
-// stateFal is the state after reading `fal`.
-func stateFal(s *scanner, c byte) int {
-	if c == 's' {
-		s.step = stateFals
-		return scanContinue
-	}
-	return s.error(c, "in literal false (expecting 's')")
-}
-
-// stateFals is the state after reading `fals`.
-func stateFals(s *scanner, c byte) int {
-	if c == 'e' {
-		s.step = stateEndValue
-		return scanContinue
-	}
-	return s.error(c, "in literal false (expecting 'e')")
-}
-
-// stateN is the state after reading `n`.
-func stateN(s *scanner, c byte) int {
-	if c == 'u' {
-		s.step = stateNu
-		return scanContinue
-	}
-	return s.error(c, "in literal null (expecting 'u')")
-}
-
-// stateNu is the state after reading `nu`.
-func stateNu(s *scanner, c byte) int {
-	if c == 'l' {
-		s.step = stateNul
-		return scanContinue
-	}
-	return s.error(c, "in literal null (expecting 'l')")
-}
-
-// stateNul is the state after reading `nul`.
-func stateNul(s *scanner, c byte) int {
-	if c == 'l' {
-		s.step = stateEndValue
-		return scanContinue
-	}
-	return s.error(c, "in literal null (expecting 'l')")
-}
-
-// stateError is the state after reaching a syntax error,
-// such as after reading `[1}` or `5.1.2`.
-func stateError(s *scanner, c byte) int {
-	return scanError
-}
-
-// error records an error and switches to the error state.
-func (s *scanner) error(c byte, context string) int {
-	s.step = stateError
-	s.err = &SyntaxError{"invalid character " + quoteChar(c) + " " + context, s.bytes}
-	return scanError
-}
-
-// quoteChar formats c as a quoted character literal.
-func quoteChar(c byte) string {
-	// special cases - different from quoted strings
-	if c == '\'' {
-		return `'\''`
-	}
-	if c == '"' {
-		return `'"'`
-	}
-
-	// use quoted string with different quotation marks
-	s := strconv.Quote(string(c))
-	return "'" + s[1:len(s)-1] + "'"
-}

common/contextjson/stream.go

@@ -1,513 +0,0 @@
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package json
-
-import (
-	"bytes"
-	"errors"
-	"io"
-)
-
-// A Decoder reads and decodes JSON values from an input stream.
-type Decoder struct {
-	r       io.Reader
-	buf     []byte
-	d       decodeState
-	scanp   int   // start of unread data in buf
-	scanned int64 // amount of data already scanned
-	scan    scanner
-	err     error
-
-	tokenState int
-	tokenStack []int
-}
-
-// NewDecoder returns a new decoder that reads from r.
-//
-// The decoder introduces its own buffering and may
-// read data from r beyond the JSON values requested.
-func NewDecoder(r io.Reader) *Decoder {
-	return &Decoder{r: r}
-}
-
-// UseNumber causes the Decoder to unmarshal a number into an interface{} as a
-// Number instead of as a float64.
-func (dec *Decoder) UseNumber() { dec.d.useNumber = true }
-
-// DisallowUnknownFields causes the Decoder to return an error when the destination
-// is a struct and the input contains object keys which do not match any
-// non-ignored, exported fields in the destination.
-func (dec *Decoder) DisallowUnknownFields() { dec.d.disallowUnknownFields = true }
-
-// Decode reads the next JSON-encoded value from its
-// input and stores it in the value pointed to by v.
-//
-// See the documentation for Unmarshal for details about
-// the conversion of JSON into a Go value.
-func (dec *Decoder) Decode(v any) error {
-	if dec.err != nil {
-		return dec.err
-	}
-
-	if err := dec.tokenPrepareForDecode(); err != nil {
-		return err
-	}
-
-	if !dec.tokenValueAllowed() {
-		return &SyntaxError{msg: "not at beginning of value", Offset: dec.InputOffset()}
-	}
-
-	// Read whole value into buffer.
-	n, err := dec.readValue()
-	if err != nil {
-		return err
-	}
-	dec.d.init(dec.buf[dec.scanp : dec.scanp+n])
-	dec.scanp += n
-
-	// Don't save err from unmarshal into dec.err:
-	// the connection is still usable since we read a complete JSON
-	// object from it before the error happened.
-	err = dec.d.unmarshal(v)
-
-	// fixup token streaming state
-	dec.tokenValueEnd()
-
-	return err
-}
-
-// Buffered returns a reader of the data remaining in the Decoder's
-// buffer. The reader is valid until the next call to Decode.
-func (dec *Decoder) Buffered() io.Reader {
-	return bytes.NewReader(dec.buf[dec.scanp:])
-}
-
-// readValue reads a JSON value into dec.buf.
-// It returns the length of the encoding.
-func (dec *Decoder) readValue() (int, error) {
-	dec.scan.reset()
-
-	scanp := dec.scanp
-	var err error
-Input:
-	// help the compiler see that scanp is never negative, so it can remove
-	// some bounds checks below.
-	for scanp >= 0 {
-
-		// Look in the buffer for a new value.
-		for ; scanp < len(dec.buf); scanp++ {
-			c := dec.buf[scanp]
-			dec.scan.bytes++
-			switch dec.scan.step(&dec.scan, c) {
-			case scanEnd:
-				// scanEnd is delayed one byte so we decrement
-				// the scanner bytes count by 1 to ensure that
-				// this value is correct in the next call of Decode.
-				dec.scan.bytes--
-				break Input
-			case scanEndObject, scanEndArray:
-				// scanEnd is delayed one byte.
-				// We might block trying to get that byte from src,
-				// so instead invent a space byte.
-				if stateEndValue(&dec.scan, ' ') == scanEnd {
-					scanp++
-					break Input
-				}
-			case scanError:
-				dec.err = dec.scan.err
-				return 0, dec.scan.err
-			}
-		}
-
-		// Did the last read have an error?
-		// Delayed until now to allow buffer scan.
-		if err != nil {
-			if err == io.EOF {
-				if dec.scan.step(&dec.scan, ' ') == scanEnd {
-					break Input
-				}
-				if nonSpace(dec.buf) {
-					err = io.ErrUnexpectedEOF
-				}
-			}
-			dec.err = err
-			return 0, err
-		}
-
-		n := scanp - dec.scanp
-		err = dec.refill()
-		scanp = dec.scanp + n
-	}
-	return scanp - dec.scanp, nil
-}
-
-func (dec *Decoder) refill() error {
-	// Make room to read more into the buffer.
-	// First slide down data already consumed.
-	if dec.scanp > 0 {
-		dec.scanned += int64(dec.scanp)
-		n := copy(dec.buf, dec.buf[dec.scanp:])
-		dec.buf = dec.buf[:n]
-		dec.scanp = 0
-	}
-
-	// Grow buffer if not large enough.
-	const minRead = 512
-	if cap(dec.buf)-len(dec.buf) < minRead {
-		newBuf := make([]byte, len(dec.buf), 2*cap(dec.buf)+minRead)
-		copy(newBuf, dec.buf)
-		dec.buf = newBuf
-	}
-
-	// Read. Delay error for next iteration (after scan).
-	n, err := dec.r.Read(dec.buf[len(dec.buf):cap(dec.buf)])
-	dec.buf = dec.buf[0 : len(dec.buf)+n]
-
-	return err
-}
-
-func nonSpace(b []byte) bool {
-	for _, c := range b {
-		if !isSpace(c) {
-			return true
-		}
-	}
-	return false
-}
-
-// An Encoder writes JSON values to an output stream.
-type Encoder struct {
-	w          io.Writer
-	err        error
-	escapeHTML bool
-
-	indentBuf    []byte
-	indentPrefix string
-	indentValue  string
-}
-
-// NewEncoder returns a new encoder that writes to w.
-func NewEncoder(w io.Writer) *Encoder {
-	return &Encoder{w: w, escapeHTML: true}
-}
-
-// Encode writes the JSON encoding of v to the stream,
-// followed by a newline character.
-//
-// See the documentation for Marshal for details about the
-// conversion of Go values to JSON.
-func (enc *Encoder) Encode(v any) error {
-	if enc.err != nil {
-		return enc.err
-	}
-
-	e := newEncodeState()
-	defer encodeStatePool.Put(e)
-
-	err := e.marshal(v, encOpts{escapeHTML: enc.escapeHTML})
-	if err != nil {
-		return err
-	}
-
-	// Terminate each value with a newline.
-	// This makes the output look a little nicer
-	// when debugging, and some kind of space
-	// is required if the encoded value was a number,
-	// so that the reader knows there aren't more
-	// digits coming.
-	e.WriteByte('\n')
-
-	b := e.Bytes()
-	if enc.indentPrefix != "" || enc.indentValue != "" {
-		enc.indentBuf, err = appendIndent(enc.indentBuf[:0], b, enc.indentPrefix, enc.indentValue)
-		if err != nil {
-			return err
-		}
-		b = enc.indentBuf
-	}
-	if _, err = enc.w.Write(b); err != nil {
-		enc.err = err
-	}
-	return err
-}
-
-// SetIndent instructs the encoder to format each subsequent encoded
-// value as if indented by the package-level function Indent(dst, src, prefix, indent).
-// Calling SetIndent("", "") disables indentation.
-func (enc *Encoder) SetIndent(prefix, indent string) {
-	enc.indentPrefix = prefix
-	enc.indentValue = indent
-}
-
-// SetEscapeHTML specifies whether problematic HTML characters
-// should be escaped inside JSON quoted strings.
-// The default behavior is to escape &, <, and > to \u0026, \u003c, and \u003e
-// to avoid certain safety problems that can arise when embedding JSON in HTML.
-//
-// In non-HTML settings where the escaping interferes with the readability
-// of the output, SetEscapeHTML(false) disables this behavior.
-func (enc *Encoder) SetEscapeHTML(on bool) {
-	enc.escapeHTML = on
-}
-
-// RawMessage is a raw encoded JSON value.
-// It implements Marshaler and Unmarshaler and can
-// be used to delay JSON decoding or precompute a JSON encoding.
-type RawMessage []byte
-
-// MarshalJSON returns m as the JSON encoding of m.
-func (m RawMessage) MarshalJSON() ([]byte, error) {
-	if m == nil {
-		return []byte("null"), nil
-	}
-	return m, nil
-}
-
-// UnmarshalJSON sets *m to a copy of data.
-func (m *RawMessage) UnmarshalJSON(data []byte) error {
-	if m == nil {
-		return errors.New("json.RawMessage: UnmarshalJSON on nil pointer")
-	}
-	*m = append((*m)[0:0], data...)
-	return nil
-}
-
-var (
-	_ Marshaler   = (*RawMessage)(nil)
-	_ Unmarshaler = (*RawMessage)(nil)
-)
-
-// A Token holds a value of one of these types:
-//
-//	Delim, for the four JSON delimiters [ ] { }
-//	bool, for JSON booleans
-//	float64, for JSON numbers
-//	Number, for JSON numbers
-//	string, for JSON string literals
-//	nil, for JSON null
-type Token any
-
-const (
-	tokenTopValue = iota
-	tokenArrayStart
-	tokenArrayValue
-	tokenArrayComma
-	tokenObjectStart
-	tokenObjectKey
-	tokenObjectColon
-	tokenObjectValue
-	tokenObjectComma
-)
-
-// advance tokenstate from a separator state to a value state
-func (dec *Decoder) tokenPrepareForDecode() error {
-	// Note: Not calling peek before switch, to avoid
-	// putting peek into the standard Decode path.
-	// peek is only called when using the Token API.
-	switch dec.tokenState {
-	case tokenArrayComma:
-		c, err := dec.peek()
-		if err != nil {
-			return err
-		}
-		if c != ',' {
-			return &SyntaxError{"expected comma after array element", dec.InputOffset()}
-		}
-		dec.scanp++
-		dec.tokenState = tokenArrayValue
-	case tokenObjectColon:
-		c, err := dec.peek()
-		if err != nil {
-			return err
-		}
-		if c != ':' {
-			return &SyntaxError{"expected colon after object key", dec.InputOffset()}
-		}
-		dec.scanp++
-		dec.tokenState = tokenObjectValue
-	}
-	return nil
-}
-
-func (dec *Decoder) tokenValueAllowed() bool {
-	switch dec.tokenState {
-	case tokenTopValue, tokenArrayStart, tokenArrayValue, tokenObjectValue:
-		return true
-	}
-	return false
-}
-
-func (dec *Decoder) tokenValueEnd() {
-	switch dec.tokenState {
-	case tokenArrayStart, tokenArrayValue:
-		dec.tokenState = tokenArrayComma
-	case tokenObjectValue:
-		dec.tokenState = tokenObjectComma
-	}
-}
-
-// A Delim is a JSON array or object delimiter, one of [ ] { or }.
-type Delim rune
-
-func (d Delim) String() string {
-	return string(d)
-}
-
-// Token returns the next JSON token in the input stream.
-// At the end of the input stream, Token returns nil, io.EOF.
-//
-// Token guarantees that the delimiters [ ] { } it returns are
-// properly nested and matched: if Token encounters an unexpected
-// delimiter in the input, it will return an error.
-//
-// The input stream consists of basic JSON values—bool, string,
-// number, and null—along with delimiters [ ] { } of type Delim
-// to mark the start and end of arrays and objects.
-// Commas and colons are elided.
-func (dec *Decoder) Token() (Token, error) {
-	for {
-		c, err := dec.peek()
-		if err != nil {
-			return nil, err
-		}
-		switch c {
-		case '[':
-			if !dec.tokenValueAllowed() {
-				return dec.tokenError(c)
-			}
-			dec.scanp++
-			dec.tokenStack = append(dec.tokenStack, dec.tokenState)
-			dec.tokenState = tokenArrayStart
-			return Delim('['), nil
-
-		case ']':
-			if dec.tokenState != tokenArrayStart && dec.tokenState != tokenArrayComma {
-				return dec.tokenError(c)
-			}
-			dec.scanp++
-			dec.tokenState = dec.tokenStack[len(dec.tokenStack)-1]
-			dec.tokenStack = dec.tokenStack[:len(dec.tokenStack)-1]
-			dec.tokenValueEnd()
-			return Delim(']'), nil
-
-		case '{':
-			if !dec.tokenValueAllowed() {
-				return dec.tokenError(c)
-			}
-			dec.scanp++
-			dec.tokenStack = append(dec.tokenStack, dec.tokenState)
-			dec.tokenState = tokenObjectStart
-			return Delim('{'), nil
-
-		case '}':
-			if dec.tokenState != tokenObjectStart && dec.tokenState != tokenObjectComma {
-				return dec.tokenError(c)
-			}
-			dec.scanp++
-			dec.tokenState = dec.tokenStack[len(dec.tokenStack)-1]
-			dec.tokenStack = dec.tokenStack[:len(dec.tokenStack)-1]
-			dec.tokenValueEnd()
-			return Delim('}'), nil
-
-		case ':':
-			if dec.tokenState != tokenObjectColon {
-				return dec.tokenError(c)
-			}
-			dec.scanp++
-			dec.tokenState = tokenObjectValue
-			continue
-
-		case ',':
-			if dec.tokenState == tokenArrayComma {
-				dec.scanp++
-				dec.tokenState = tokenArrayValue
-				continue
-			}
-			if dec.tokenState == tokenObjectComma {
-				dec.scanp++
-				dec.tokenState = tokenObjectKey
-				continue
-			}
-			return dec.tokenError(c)
-
-		case '"':
-			if dec.tokenState == tokenObjectStart || dec.tokenState == tokenObjectKey {
-				var x string
-				old := dec.tokenState
-				dec.tokenState = tokenTopValue
-				err := dec.Decode(&x)
-				dec.tokenState = old
-				if err != nil {
-					return nil, err
-				}
-				dec.tokenState = tokenObjectColon
-				return x, nil
-			}
-			fallthrough
-
-		default:
-			if !dec.tokenValueAllowed() {
-				return dec.tokenError(c)
-			}
-			var x any
-			if err := dec.Decode(&x); err != nil {
-				return nil, err
-			}
-			return x, nil
-		}
-	}
-}
-
-func (dec *Decoder) tokenError(c byte) (Token, error) {
-	var context string
-	switch dec.tokenState {
-	case tokenTopValue:
-		context = " looking for beginning of value"
-	case tokenArrayStart, tokenArrayValue, tokenObjectValue:
-		context = " looking for beginning of value"
-	case tokenArrayComma:
-		context = " after array element"
-	case tokenObjectKey:
-		context = " looking for beginning of object key string"
-	case tokenObjectColon:
-		context = " after object key"
-	case tokenObjectComma:
-		context = " after object key:value pair"
-	}
-	return nil, &SyntaxError{"invalid character " + quoteChar(c) + context, dec.InputOffset()}
-}
-
-// More reports whether there is another element in the
-// current array or object being parsed.
-func (dec *Decoder) More() bool {
-	c, err := dec.peek()
-	return err == nil && c != ']' && c != '}'
-}
-
-func (dec *Decoder) peek() (byte, error) {
-	var err error
-	for {
-		for i := dec.scanp; i < len(dec.buf); i++ {
-			c := dec.buf[i]
-			if isSpace(c) {
-				continue
-			}
-			dec.scanp = i
-			return c, nil
-		}
-		// buffer has been scanned, now report any error
-		if err != nil {
-			return 0, err
-		}
-		err = dec.refill()
-	}
-}
-
-// InputOffset returns the input stream byte offset of the current decoder position.
-// The offset gives the location of the end of the most recently returned token
-// and the beginning of the next token.
-func (dec *Decoder) InputOffset() int64 {
-	return dec.scanned + int64(dec.scanp)
-}

common/contextjson/tables.go

@@ -1,218 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package json
-
-import "unicode/utf8"
-
-// safeSet holds the value true if the ASCII character with the given array
-// position can be represented inside a JSON string without any further
-// escaping.
-//
-// All values are true except for the ASCII control characters (0-31), the
-// double quote ("), and the backslash character ("\").
-var safeSet = [utf8.RuneSelf]bool{
-	' ':      true,
-	'!':      true,
-	'"':      false,
-	'#':      true,
-	'$':      true,
-	'%':      true,
-	'&':      true,
-	'\'':     true,
-	'(':      true,
-	')':      true,
-	'*':      true,
-	'+':      true,
-	',':      true,
-	'-':      true,
-	'.':      true,
-	'/':      true,
-	'0':      true,
-	'1':      true,
-	'2':      true,
-	'3':      true,
-	'4':      true,
-	'5':      true,
-	'6':      true,
-	'7':      true,
-	'8':      true,
-	'9':      true,
-	':':      true,
-	';':      true,
-	'<':      true,
-	'=':      true,
-	'>':      true,
-	'?':      true,
-	'@':      true,
-	'A':      true,
-	'B':      true,
-	'C':      true,
-	'D':      true,
-	'E':      true,
-	'F':      true,
-	'G':      true,
-	'H':      true,
-	'I':      true,
-	'J':      true,
-	'K':      true,
-	'L':      true,
-	'M':      true,
-	'N':      true,
-	'O':      true,
-	'P':      true,
-	'Q':      true,
-	'R':      true,
-	'S':      true,
-	'T':      true,
-	'U':      true,
-	'V':      true,
-	'W':      true,
-	'X':      true,
-	'Y':      true,
-	'Z':      true,
-	'[':      true,
-	'\\':     false,
-	']':      true,
-	'^':      true,
-	'_':      true,
-	'`':      true,
-	'a':      true,
-	'b':      true,
-	'c':      true,
-	'd':      true,
-	'e':      true,
-	'f':      true,
-	'g':      true,
-	'h':      true,
-	'i':      true,
-	'j':      true,
-	'k':      true,
-	'l':      true,
-	'm':      true,
-	'n':      true,
-	'o':      true,
-	'p':      true,
-	'q':      true,
-	'r':      true,
-	's':      true,
-	't':      true,
-	'u':      true,
-	'v':      true,
-	'w':      true,
-	'x':      true,
-	'y':      true,
-	'z':      true,
-	'{':      true,
-	'|':      true,
-	'}':      true,
-	'~':      true,
-	'\u007f': true,
-}
-
-// htmlSafeSet holds the value true if the ASCII character with the given
-// array position can be safely represented inside a JSON string, embedded
-// inside of HTML <script> tags, without any additional escaping.
-//
-// All values are true except for the ASCII control characters (0-31), the
-// double quote ("), the backslash character ("\"), HTML opening and closing
-// tags ("<" and ">"), and the ampersand ("&").
-var htmlSafeSet = [utf8.RuneSelf]bool{
-	' ':      true,
-	'!':      true,
-	'"':      false,
-	'#':      true,
-	'$':      true,
-	'%':      true,
-	'&':      false,
-	'\'':     true,
-	'(':      true,
-	')':      true,
-	'*':      true,
-	'+':      true,
-	',':      true,
-	'-':      true,
-	'.':      true,
-	'/':      true,
-	'0':      true,
-	'1':      true,
-	'2':      true,
-	'3':      true,
-	'4':      true,
-	'5':      true,
-	'6':      true,
-	'7':      true,
-	'8':      true,
-	'9':      true,
-	':':      true,
-	';':      true,
-	'<':      false,
-	'=':      true,
-	'>':      false,
-	'?':      true,
-	'@':      true,
-	'A':      true,
-	'B':      true,
-	'C':      true,
-	'D':      true,
-	'E':      true,
-	'F':      true,
-	'G':      true,
-	'H':      true,
-	'I':      true,
-	'J':      true,
-	'K':      true,
-	'L':      true,
-	'M':      true,
-	'N':      true,
-	'O':      true,
-	'P':      true,
-	'Q':      true,
-	'R':      true,
-	'S':      true,
-	'T':      true,
-	'U':      true,
-	'V':      true,
-	'W':      true,
-	'X':      true,
-	'Y':      true,
-	'Z':      true,
-	'[':      true,
-	'\\':     false,
-	']':      true,
-	'^':      true,
-	'_':      true,
-	'`':      true,
-	'a':      true,
-	'b':      true,
-	'c':      true,
-	'd':      true,
-	'e':      true,
-	'f':      true,
-	'g':      true,
-	'h':      true,
-	'i':      true,
-	'j':      true,
-	'k':      true,
-	'l':      true,
-	'm':      true,
-	'n':      true,
-	'o':      true,
-	'p':      true,
-	'q':      true,
-	'r':      true,
-	's':      true,
-	't':      true,
-	'u':      true,
-	'v':      true,
-	'w':      true,
-	'x':      true,
-	'y':      true,
-	'z':      true,
-	'{':      true,
-	'|':      true,
-	'}':      true,
-	'~':      true,
-	'\u007f': true,
-}

common/contextjson/tags.go

@@ -1,38 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package json
-
-import (
-	"strings"
-)
-
-// tagOptions is the string following a comma in a struct field's "json"
-// tag, or the empty string. It does not include the leading comma.
-type tagOptions string
-
-// parseTag splits a struct field's json tag into its name and
-// comma-separated options.
-func parseTag(tag string) (string, tagOptions) {
-	tag, opt, _ := strings.Cut(tag, ",")
-	return tag, tagOptions(opt)
-}
-
-// Contains reports whether a comma-separated list of options
-// contains a particular substr flag. substr must be surrounded by a
-// string boundary or commas.
-func (o tagOptions) Contains(optionName string) bool {
-	if len(o) == 0 {
-		return false
-	}
-	s := string(o)
-	for s != "" {
-		var name string
-		name, s, _ = strings.Cut(s, ",")
-		if name == optionName {
-			return true
-		}
-	}
-	return false
-}

common/dialer/default.go

@@ -15,38 +15,61 @@ import (
 	N "github.com/sagernet/sing/common/network"
 )
 
+var _ WireGuardListener = (*DefaultDialer)(nil)
+
 type DefaultDialer struct {
-	dialer4     tcpDialer
-	dialer6     tcpDialer
-	udpDialer4  net.Dialer
-	udpDialer6  net.Dialer
-	udpListener net.ListenConfig
-	udpAddr4    string
-	udpAddr6    string
+	dialer4             tcpDialer
+	dialer6             tcpDialer
+	udpDialer4          net.Dialer
+	udpDialer6          net.Dialer
+	udpListener         net.ListenConfig
+	udpAddr4            string
+	udpAddr6            string
+	isWireGuardListener bool
 }
 
 func NewDefault(router adapter.Router, options option.DialerOptions) (*DefaultDialer, error) {
 	var dialer net.Dialer
 	var listener net.ListenConfig
 	if options.BindInterface != "" {
-		bindFunc := control.BindToInterface(router.InterfaceFinder(), options.BindInterface, -1)
+		var interfaceFinder control.InterfaceFinder
+		if router != nil {
+			interfaceFinder = router.InterfaceFinder()
+		} else {
+			interfaceFinder = control.NewDefaultInterfaceFinder()
+		}
+		bindFunc := control.BindToInterface(interfaceFinder, options.BindInterface, -1)
 		dialer.Control = control.Append(dialer.Control, bindFunc)
 		listener.Control = control.Append(listener.Control, bindFunc)
-	} else if router.AutoDetectInterface() {
+	} else if router != nil && router.AutoDetectInterface() {
 		bindFunc := router.AutoDetectInterfaceFunc()
 		dialer.Control = control.Append(dialer.Control, bindFunc)
 		listener.Control = control.Append(listener.Control, bindFunc)
-	} else if router.DefaultInterface() != "" {
+	} else if router != nil && router.DefaultInterface() != "" {
 		bindFunc := control.BindToInterface(router.InterfaceFinder(), router.DefaultInterface(), -1)
 		dialer.Control = control.Append(dialer.Control, bindFunc)
 		listener.Control = control.Append(listener.Control, bindFunc)
 	}
-	if options.RoutingMark != 0 {
+	var autoRedirectOutputMark uint32
+	if router != nil {
+		autoRedirectOutputMark = router.AutoRedirectOutputMark()
+	}
+	if autoRedirectOutputMark > 0 {
+		dialer.Control = control.Append(dialer.Control, control.RoutingMark(autoRedirectOutputMark))
+		listener.Control = control.Append(listener.Control, control.RoutingMark(autoRedirectOutputMark))
+	}
+	if options.RoutingMark > 0 {
 		dialer.Control = control.Append(dialer.Control, control.RoutingMark(options.RoutingMark))
 		listener.Control = control.Append(listener.Control, control.RoutingMark(options.RoutingMark))
-	} else if router.DefaultMark() != 0 {
+		if autoRedirectOutputMark > 0 {
+			return nil, E.New("`auto_redirect` with `route_[_exclude]_address_set is conflict with `routing_mark`")
+		}
+	} else if router != nil && router.DefaultMark() > 0 {
 		dialer.Control = control.Append(dialer.Control, control.RoutingMark(router.DefaultMark()))
 		listener.Control = control.Append(listener.Control, control.RoutingMark(router.DefaultMark()))
+		if autoRedirectOutputMark > 0 {
+			return nil, E.New("`auto_redirect` with `route_[_exclude]_address_set is conflict with `default_mark`")
+		}
 	}
 	if options.ReuseAddr {
 		listener.Control = control.Append(listener.Control, control.ReuseAddr())
@@ -58,8 +81,11 @@ func NewDefault(router adapter.Router, options option.DialerOptions) (*DefaultDi
 	if options.ConnectTimeout != 0 {
 		dialer.Timeout = time.Duration(options.ConnectTimeout)
 	} else {
-		dialer.Timeout = C.TCPTimeout
+		dialer.Timeout = C.TCPConnectTimeout
 	}
+	// TODO: Add an option to customize the keep alive period
+	dialer.KeepAlive = C.TCPKeepAliveInitial
+	dialer.Control = control.Append(dialer.Control, control.SetKeepAlivePeriod(C.TCPKeepAliveInitial, C.TCPKeepAliveInterval))
 	var udpFragment bool
 	if options.UDPFragment != nil {
 		udpFragment = *options.UDPFragment
@@ -98,6 +124,11 @@ func NewDefault(router adapter.Router, options option.DialerOptions) (*DefaultDi
 		}
 		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
@@ -114,6 +145,7 @@ func NewDefault(router adapter.Router, options option.DialerOptions) (*DefaultDi
 		listener,
 		udpAddr4,
 		udpAddr6,
+		options.IsWireGuardListener,
 	}, nil
 }
 
@@ -146,6 +178,10 @@ func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksadd
 	}
 }
 
+func (d *DefaultDialer) ListenPacketCompat(network, address string) (net.PacketConn, error) {
+	return trackPacketConn(d.udpListener.ListenPacket(context.Background(), network, address))
+}
+
 func trackConn(conn net.Conn, err error) (net.Conn, error) {
 	if !conntrack.Enabled || err != nil {
 		return conn, err

common/dialer/default_go1.20.go

@@ -5,7 +5,7 @@ package dialer
 import (
 	"net"
 
-	"github.com/sagernet/tfo-go"
+	"github.com/metacubex/tfo-go"
 )
 
 type tcpDialer = tfo.Dialer

common/dialer/dialer.go

@@ -6,15 +6,16 @@ import (
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing-dns"
-	"github.com/sagernet/sing/common"
 	N "github.com/sagernet/sing/common/network"
 )
 
-func MustNew(router adapter.Router, options option.DialerOptions) N.Dialer {
-	return common.Must1(New(router, options))
-}
-
 func New(router adapter.Router, options option.DialerOptions) (N.Dialer, error) {
+	if options.IsWireGuardListener {
+		return NewDefault(router, options)
+	}
+	if router == nil {
+		return NewDefault(nil, options)
+	}
 	var (
 		dialer N.Dialer
 		err    error
@@ -27,13 +28,12 @@ func New(router adapter.Router, options option.DialerOptions) (N.Dialer, error)
 	} else {
 		dialer = NewDetour(router, options.Detour)
 	}
-	domainStrategy := dns.DomainStrategy(options.DomainStrategy)
-	if domainStrategy != dns.DomainStrategyAsIS || options.Detour == "" {
+	if options.Detour == "" {
 		dialer = NewResolveDialer(
 			router,
 			dialer,
 			options.Detour == "" && !options.TCPFastOpen,
-			domainStrategy,
+			dns.DomainStrategy(options.DomainStrategy),
 			time.Duration(options.FallbackDelay))
 	}
 	return dialer, nil

common/dialer/tfo.go

@@ -15,7 +15,8 @@ import (
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
-	"github.com/sagernet/tfo-go"
+
+	"github.com/metacubex/tfo-go"
 )
 
 type slowOpenConn struct {
@@ -80,6 +81,7 @@ func (c *slowOpenConn) Write(b []byte) (n int, err error) {
 		c.conn = nil
 		c.err = E.Cause(err, "dial tcp fast open")
 	}
+	n = len(b)
 	close(c.create)
 	return
 }

common/dialer/wireguard.go

@@ -0,0 +1,13 @@
+package dialer
+
+import (
+	"net"
+
+	"github.com/sagernet/sing/common/control"
+)
+
+type WireGuardListener interface {
+	ListenPacketCompat(network, address string) (net.PacketConn, error)
+}
+
+var WgControlFns []control.Func

common/geoip/reader.go

@@ -32,3 +32,7 @@ func (r *Reader) Lookup(addr netip.Addr) string {
 	}
 	return "unknown"
 }
+
+func (r *Reader) Close() error {
+	return r.reader.Close()
+}

common/geosite/geosite_test.go

@@ -0,0 +1,34 @@
+package geosite_test
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/sagernet/sing-box/common/geosite"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGeosite(t *testing.T) {
+	t.Parallel()
+
+	var buffer bytes.Buffer
+	err := geosite.Write(&buffer, map[string][]geosite.Item{
+		"test": {
+			{
+				Type:  geosite.RuleTypeDomain,
+				Value: "example.org",
+			},
+		},
+	})
+	require.NoError(t, err)
+	reader, codes, err := geosite.NewReader(bytes.NewReader(buffer.Bytes()))
+	require.NoError(t, err)
+	require.Equal(t, []string{"test"}, codes)
+	items, err := reader.Read("test")
+	require.NoError(t, err)
+	require.Equal(t, []geosite.Item{{
+		Type:  geosite.RuleTypeDomain,
+		Value: "example.org",
+	}}, items)
+}

common/geosite/reader.go

@@ -1,17 +1,24 @@
 package geosite
 
 import (
+	"bufio"
+	"encoding/binary"
 	"io"
 	"os"
+	"sync"
+	"sync/atomic"
 
 	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/rw"
+	"github.com/sagernet/sing/common/varbin"
 )
 
 type Reader struct {
-	reader       io.ReadSeeker
-	domainIndex  map[string]int
-	domainLength map[string]int
+	access         sync.Mutex
+	reader         io.ReadSeeker
+	bufferedReader *bufio.Reader
+	metadataIndex  int64
+	domainIndex    map[string]int
+	domainLength   map[string]int
 }
 
 func Open(path string) (*Reader, []string, error) {
@@ -19,14 +26,22 @@ func Open(path string) (*Reader, []string, error) {
 	if err != nil {
 		return nil, nil, err
 	}
-	reader := &Reader{
-		reader: content,
-	}
-	err = reader.readMetadata()
+	reader, codes, err := NewReader(content)
 	if err != nil {
 		content.Close()
 		return nil, nil, err
 	}
+	return reader, codes, nil
+}
+
+func NewReader(readSeeker io.ReadSeeker) (*Reader, []string, error) {
+	reader := &Reader{
+		reader: readSeeker,
+	}
+	err := reader.readMetadata()
+	if err != nil {
+		return nil, nil, err
+	}
 	codes := make([]string, 0, len(reader.domainIndex))
 	for code := range reader.domainIndex {
 		codes = append(codes, code)
@@ -34,15 +49,23 @@ func Open(path string) (*Reader, []string, error) {
 	return reader, codes, nil
 }
 
+type geositeMetadata struct {
+	Code   string
+	Index  uint64
+	Length uint64
+}
+
 func (r *Reader) readMetadata() error {
-	version, err := rw.ReadByte(r.reader)
+	counter := &readCounter{Reader: r.reader}
+	reader := bufio.NewReader(counter)
+	version, err := reader.ReadByte()
 	if err != nil {
 		return err
 	}
 	if version != 0 {
 		return E.New("unknown version")
 	}
-	entryLength, err := rw.ReadUVariant(r.reader)
+	entryLength, err := binary.ReadUvarint(reader)
 	if err != nil {
 		return err
 	}
@@ -55,16 +78,16 @@ func (r *Reader) readMetadata() error {
 			codeIndex  uint64
 			codeLength uint64
 		)
-		code, err = rw.ReadVString(r.reader)
+		code, err = varbin.ReadValue[string](reader, binary.BigEndian)
 		if err != nil {
 			return err
 		}
 		keys[i] = code
-		codeIndex, err = rw.ReadUVariant(r.reader)
+		codeIndex, err = binary.ReadUvarint(reader)
 		if err != nil {
 			return err
 		}
-		codeLength, err = rw.ReadUVariant(r.reader)
+		codeLength, err = binary.ReadUvarint(reader)
 		if err != nil {
 			return err
 		}
@@ -73,6 +96,8 @@ func (r *Reader) readMetadata() error {
 	}
 	r.domainIndex = domainIndex
 	r.domainLength = domainLength
+	r.metadataIndex = counter.count - int64(reader.Buffered())
+	r.bufferedReader = reader
 	return nil
 }
 
@@ -81,31 +106,32 @@ func (r *Reader) Read(code string) ([]Item, error) {
 	if !exists {
 		return nil, E.New("code ", code, " not exists!")
 	}
-	_, err := r.reader.Seek(int64(index), io.SeekCurrent)
+	_, err := r.reader.Seek(r.metadataIndex+int64(index), io.SeekStart)
 	if err != nil {
 		return nil, err
 	}
-	counter := &rw.ReadCounter{Reader: r.reader}
-	domain := make([]Item, r.domainLength[code])
-	for i := range domain {
-		var (
-			item Item
-			err  error
-		)
-		item.Type, err = rw.ReadByte(counter)
-		if err != nil {
-			return nil, err
-		}
-		item.Value, err = rw.ReadVString(counter)
-		if err != nil {
-			return nil, err
-		}
-		domain[i] = item
+	r.bufferedReader.Reset(r.reader)
+	itemList := make([]Item, r.domainLength[code])
+	err = varbin.Read(r.bufferedReader, binary.BigEndian, &itemList)
+	if err != nil {
+		return nil, err
 	}
-	_, err = r.reader.Seek(int64(-index)-counter.Count(), io.SeekCurrent)
-	return domain, err
+	return itemList, nil
 }
 
 func (r *Reader) Upstream() any {
 	return r.reader
 }
+
+type readCounter struct {
+	io.Reader
+	count int64
+}
+
+func (r *readCounter) Read(p []byte) (n int, err error) {
+	n, err = r.Reader.Read(p)
+	if n > 0 {
+		atomic.AddInt64(&r.count, int64(n))
+	}
+	return
+}

common/geosite/writer.go

@@ -2,13 +2,13 @@ package geosite
 
 import (
 	"bytes"
-	"io"
+	"encoding/binary"
 	"sort"
 
-	"github.com/sagernet/sing/common/rw"
+	"github.com/sagernet/sing/common/varbin"
 )
 
-func Write(writer io.Writer, domains map[string][]Item) error {
+func Write(writer varbin.Writer, domains map[string][]Item) error {
 	keys := make([]string, 0, len(domains))
 	for code := range domains {
 		keys = append(keys, code)
@@ -19,35 +19,34 @@ func Write(writer io.Writer, domains map[string][]Item) error {
 	index := make(map[string]int)
 	for _, code := range keys {
 		index[code] = content.Len()
-		for _, domain := range domains[code] {
-			content.WriteByte(domain.Type)
-			err := rw.WriteVString(content, domain.Value)
+		for _, item := range domains[code] {
+			err := varbin.Write(content, binary.BigEndian, item)
 			if err != nil {
 				return err
 			}
 		}
 	}
 
-	err := rw.WriteByte(writer, 0)
+	err := writer.WriteByte(0)
 	if err != nil {
 		return err
 	}
 
-	err = rw.WriteUVariant(writer, uint64(len(keys)))
+	_, err = varbin.WriteUvarint(writer, uint64(len(keys)))
 	if err != nil {
 		return err
 	}
 
 	for _, code := range keys {
-		err = rw.WriteVString(writer, code)
+		err = varbin.Write(writer, binary.BigEndian, code)
 		if err != nil {
 			return err
 		}
-		err = rw.WriteUVariant(writer, uint64(index[code]))
+		_, err = varbin.WriteUvarint(writer, uint64(index[code]))
 		if err != nil {
 			return err
 		}
-		err = rw.WriteUVariant(writer, uint64(len(domains[code])))
+		_, err = varbin.WriteUvarint(writer, uint64(len(domains[code])))
 		if err != nil {
 			return err
 		}

common/ja3/LICENSE

@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2018, Open Systems AG
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

common/ja3/README.md

@@ -0,0 +1,3 @@
+# JA3
+
+mod from: https://github.com/open-ch/ja3

common/ja3/error.go

@@ -0,0 +1,31 @@
+// Copyright (c) 2018, Open Systems AG. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file in the root of the source
+// tree.
+
+package ja3
+
+import "fmt"
+
+// Error types
+const (
+	LengthErr        string = "length check %v failed"
+	ContentTypeErr   string = "content type not matching"
+	VersionErr       string = "version check %v failed"
+	HandshakeTypeErr string = "handshake type not matching"
+	SNITypeErr       string = "SNI type not supported"
+)
+
+// ParseError can be encountered while parsing a segment
+type ParseError struct {
+	errType string
+	check   int
+}
+
+func (e *ParseError) Error() string {
+	if e.errType == LengthErr || e.errType == VersionErr {
+		return fmt.Sprintf(e.errType, e.check)
+	}
+	return fmt.Sprint(e.errType)
+}

common/ja3/ja3.go

@@ -0,0 +1,83 @@
+// Copyright (c) 2018, Open Systems AG. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file in the root of the source
+// tree.
+
+package ja3
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+
+	"golang.org/x/exp/slices"
+)
+
+type ClientHello struct {
+	Version             uint16
+	CipherSuites        []uint16
+	Extensions          []uint16
+	EllipticCurves      []uint16
+	EllipticCurvePF     []uint8
+	Versions            []uint16
+	SignatureAlgorithms []uint16
+	ServerName          string
+	ja3ByteString       []byte
+	ja3Hash             string
+}
+
+func (j *ClientHello) Equals(another *ClientHello, ignoreExtensionsSequence bool) bool {
+	if j.Version != another.Version {
+		return false
+	}
+	if !slices.Equal(j.CipherSuites, another.CipherSuites) {
+		return false
+	}
+	if !ignoreExtensionsSequence && !slices.Equal(j.Extensions, another.Extensions) {
+		return false
+	}
+	if ignoreExtensionsSequence && !slices.Equal(j.Extensions, another.sortedExtensions()) {
+		return false
+	}
+	if !slices.Equal(j.EllipticCurves, another.EllipticCurves) {
+		return false
+	}
+	if !slices.Equal(j.EllipticCurvePF, another.EllipticCurvePF) {
+		return false
+	}
+	if !slices.Equal(j.SignatureAlgorithms, another.SignatureAlgorithms) {
+		return false
+	}
+	return true
+}
+
+func (j *ClientHello) sortedExtensions() []uint16 {
+	extensions := make([]uint16, len(j.Extensions))
+	copy(extensions, j.Extensions)
+	slices.Sort(extensions)
+	return extensions
+}
+
+func Compute(payload []byte) (*ClientHello, error) {
+	ja3 := ClientHello{}
+	err := ja3.parseSegment(payload)
+	return &ja3, err
+}
+
+func (j *ClientHello) String() string {
+	if j.ja3ByteString == nil {
+		j.marshalJA3()
+	}
+	return string(j.ja3ByteString)
+}
+
+func (j *ClientHello) Hash() string {
+	if j.ja3ByteString == nil {
+		j.marshalJA3()
+	}
+	if j.ja3Hash == "" {
+		h := md5.Sum(j.ja3ByteString)
+		j.ja3Hash = hex.EncodeToString(h[:])
+	}
+	return j.ja3Hash
+}

common/ja3/parser.go

@@ -0,0 +1,357 @@
+// Copyright (c) 2018, Open Systems AG. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file in the root of the source
+// tree.
+
+package ja3
+
+import (
+	"encoding/binary"
+	"strconv"
+)
+
+const (
+	// Constants used for parsing
+	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
+	ecExtensionHeaderLen                  int    = 2
+	ecpfExtensionHeaderLen                int    = 1
+	versionExtensionHeaderLen             int    = 1
+	signatureAlgorithmsExtensionHeaderLen int    = 2
+	contentType                           uint8  = 22
+	handshakeType                         uint8  = 1
+	sniExtensionType                      uint16 = 0
+	sniNameDNSHostnameType                uint8  = 0
+	ecExtensionType                       uint16 = 10
+	ecpfExtensionType                     uint16 = 11
+	versionExtensionType                  uint16 = 43
+	signatureAlgorithmsExtensionType      uint16 = 13
+
+	// Versions
+	// The bitmask covers the versions SSL3.0 to TLS1.2
+	tlsVersionBitmask uint16 = 0xFFFC
+	tls13             uint16 = 0x0304
+
+	// GREASE values
+	// The bitmask covers all GREASE values
+	GreaseBitmask uint16 = 0x0F0F
+
+	// Constants used for marshalling
+	dashByte  = byte(45)
+	commaByte = byte(44)
+)
+
+// parseSegment to populate the corresponding ClientHello object or return an error
+func (j *ClientHello) parseSegment(segment []byte) error {
+	// Check if we can decode the next fields
+	if len(segment) < recordLayerHeaderLen {
+		return &ParseError{LengthErr, 1}
+	}
+
+	// Check if we have "Content Type: Handshake (22)"
+	contType := uint8(segment[0])
+	if contType != contentType {
+		return &ParseError{errType: ContentTypeErr}
+	}
+
+	// Check if TLS record layer version is supported
+	tlsRecordVersion := uint16(segment[1])<<8 | uint16(segment[2])
+	if tlsRecordVersion&tlsVersionBitmask != 0x0300 && tlsRecordVersion != tls13 {
+		return &ParseError{VersionErr, 1}
+	}
+
+	// Check that the Handshake is as long as expected from the length field
+	segmentLen := uint16(segment[3])<<8 | uint16(segment[4])
+	if len(segment[recordLayerHeaderLen:]) < int(segmentLen) {
+		return &ParseError{LengthErr, 2}
+	}
+	// Keep the Handshake messege, ignore any additional following record types
+	hs := segment[recordLayerHeaderLen : recordLayerHeaderLen+int(segmentLen)]
+
+	err := j.parseHandshake(hs)
+
+	return err
+}
+
+// parseHandshake body
+func (j *ClientHello) parseHandshake(hs []byte) error {
+	// Check if we can decode the next fields
+	if len(hs) < handshakeHeaderLen+randomDataLen+sessionIDHeaderLen {
+		return &ParseError{LengthErr, 3}
+	}
+
+	// Check if we have "Handshake Type: Client Hello (1)"
+	handshType := uint8(hs[0])
+	if handshType != handshakeType {
+		return &ParseError{errType: HandshakeTypeErr}
+	}
+
+	// Check if actual length of handshake matches (this is a great exclusion criterion for false positives,
+	// as these fields have to match the actual length of the rest of the segment)
+	handshakeLen := uint32(hs[1])<<16 | uint32(hs[2])<<8 | uint32(hs[3])
+	if len(hs[4:]) != int(handshakeLen) {
+		return &ParseError{LengthErr, 4}
+	}
+
+	// Check if Client Hello version is supported
+	tlsVersion := uint16(hs[4])<<8 | uint16(hs[5])
+	if tlsVersion&tlsVersionBitmask != 0x0300 && tlsVersion != tls13 {
+		return &ParseError{VersionErr, 2}
+	}
+	j.Version = tlsVersion
+
+	// Check if we can decode the next fields
+	sessionIDLen := uint8(hs[38])
+	if len(hs) < handshakeHeaderLen+randomDataLen+sessionIDHeaderLen+int(sessionIDLen) {
+		return &ParseError{LengthErr, 5}
+	}
+
+	// Cipher Suites
+	cs := hs[handshakeHeaderLen+randomDataLen+sessionIDHeaderLen+int(sessionIDLen):]
+
+	// Check if we can decode the next fields
+	if len(cs) < cipherSuiteHeaderLen {
+		return &ParseError{LengthErr, 6}
+	}
+
+	csLen := uint16(cs[0])<<8 | uint16(cs[1])
+	numCiphers := int(csLen / 2)
+	cipherSuites := make([]uint16, 0, numCiphers)
+
+	// Check if we can decode the next fields
+	if len(cs) < cipherSuiteHeaderLen+int(csLen)+compressMethodHeaderLen {
+		return &ParseError{LengthErr, 7}
+	}
+
+	for i := 0; i < numCiphers; i++ {
+		cipherSuite := uint16(cs[2+i<<1])<<8 | uint16(cs[3+i<<1])
+		cipherSuites = append(cipherSuites, cipherSuite)
+	}
+	j.CipherSuites = cipherSuites
+
+	// Check if we can decode the next fields
+	compressMethodLen := uint16(cs[cipherSuiteHeaderLen+int(csLen)])
+	if len(cs) < cipherSuiteHeaderLen+int(csLen)+compressMethodHeaderLen+int(compressMethodLen) {
+		return &ParseError{LengthErr, 8}
+	}
+
+	// Extensions
+	exs := cs[cipherSuiteHeaderLen+int(csLen)+compressMethodHeaderLen+int(compressMethodLen):]
+
+	err := j.parseExtensions(exs)
+
+	return err
+}
+
+// parseExtensions of the handshake
+func (j *ClientHello) parseExtensions(exs []byte) error {
+	// Check for no extensions, this fields header is nonexistent if no body is used
+	if len(exs) == 0 {
+		return nil
+	}
+
+	// Check if we can decode the next fields
+	if len(exs) < extensionsHeaderLen {
+		return &ParseError{LengthErr, 9}
+	}
+
+	exsLen := uint16(exs[0])<<8 | uint16(exs[1])
+	exs = exs[extensionsHeaderLen:]
+
+	// Check if we can decode the next fields
+	if len(exs) < int(exsLen) {
+		return &ParseError{LengthErr, 10}
+	}
+
+	var sni []byte
+	var extensions, ellipticCurves []uint16
+	var ellipticCurvePF []uint8
+	var versions []uint16
+	var signatureAlgorithms []uint16
+	for len(exs) > 0 {
+
+		// Check if we can decode the next fields
+		if len(exs) < extensionHeaderLen {
+			return &ParseError{LengthErr, 11}
+		}
+
+		exType := uint16(exs[0])<<8 | uint16(exs[1])
+		exLen := uint16(exs[2])<<8 | uint16(exs[3])
+		// Ignore any GREASE extensions
+		extensions = append(extensions, exType)
+		// Check if we can decode the next fields
+		if len(exs) < extensionHeaderLen+int(exLen) {
+			return &ParseError{LengthErr, 12}
+		}
+
+		sex := exs[extensionHeaderLen : extensionHeaderLen+int(exLen)]
+
+		switch exType {
+		case sniExtensionType: // Extensions: server_name
+
+			// Check if we can decode the next fields
+			if len(sex) < sniExtensionHeaderLen {
+				return &ParseError{LengthErr, 13}
+			}
+
+			sniType := uint8(sex[2])
+			sniLen := uint16(sex[3])<<8 | uint16(sex[4])
+			sex = sex[sniExtensionHeaderLen:]
+
+			// Check if we can decode the next fields
+			if len(sex) != int(sniLen) {
+				return &ParseError{LengthErr, 14}
+			}
+
+			switch sniType {
+			case sniNameDNSHostnameType:
+				sni = sex
+			default:
+				return &ParseError{errType: SNITypeErr}
+			}
+		case ecExtensionType: // Extensions: supported_groups
+
+			// Check if we can decode the next fields
+			if len(sex) < ecExtensionHeaderLen {
+				return &ParseError{LengthErr, 15}
+			}
+
+			ecsLen := uint16(sex[0])<<8 | uint16(sex[1])
+			numCurves := int(ecsLen / 2)
+			ellipticCurves = make([]uint16, 0, numCurves)
+			sex = sex[ecExtensionHeaderLen:]
+
+			// Check if we can decode the next fields
+			if len(sex) != int(ecsLen) {
+				return &ParseError{LengthErr, 16}
+			}
+
+			for i := 0; i < numCurves; i++ {
+				ecType := uint16(sex[i*2])<<8 | uint16(sex[1+i*2])
+				ellipticCurves = append(ellipticCurves, ecType)
+			}
+
+		case ecpfExtensionType: // Extensions: ec_point_formats
+
+			// Check if we can decode the next fields
+			if len(sex) < ecpfExtensionHeaderLen {
+				return &ParseError{LengthErr, 17}
+			}
+
+			ecpfsLen := uint8(sex[0])
+			numPF := int(ecpfsLen)
+			ellipticCurvePF = make([]uint8, numPF)
+			sex = sex[ecpfExtensionHeaderLen:]
+
+			// Check if we can decode the next fields
+			if len(sex) != numPF {
+				return &ParseError{LengthErr, 18}
+			}
+
+			for i := 0; i < numPF; i++ {
+				ellipticCurvePF[i] = uint8(sex[i])
+			}
+		case versionExtensionType:
+			if len(sex) < versionExtensionHeaderLen {
+				return &ParseError{LengthErr, 19}
+			}
+			versionsLen := int(sex[0])
+			for i := 0; i < versionsLen; i += 2 {
+				versions = append(versions, binary.BigEndian.Uint16(sex[1:][i:]))
+			}
+		case signatureAlgorithmsExtensionType:
+			if len(sex) < signatureAlgorithmsExtensionHeaderLen {
+				return &ParseError{LengthErr, 20}
+			}
+			ssaLen := binary.BigEndian.Uint16(sex)
+			for i := 0; i < int(ssaLen); i += 2 {
+				signatureAlgorithms = append(signatureAlgorithms, binary.BigEndian.Uint16(sex[2:][i:]))
+			}
+		}
+		exs = exs[4+exLen:]
+	}
+	j.ServerName = string(sni)
+	j.Extensions = extensions
+	j.EllipticCurves = ellipticCurves
+	j.EllipticCurvePF = ellipticCurvePF
+	j.Versions = versions
+	j.SignatureAlgorithms = signatureAlgorithms
+	return nil
+}
+
+// marshalJA3 into a byte string
+func (j *ClientHello) marshalJA3() {
+	// An uint16 can contain numbers with up to 5 digits and an uint8 can contain numbers with up to 3 digits, but we
+	// also need a byte for each separating character, except at the end.
+	byteStringLen := 6*(1+len(j.CipherSuites)+len(j.Extensions)+len(j.EllipticCurves)) + 4*len(j.EllipticCurvePF) - 1
+	byteString := make([]byte, 0, byteStringLen)
+
+	// Version
+	byteString = strconv.AppendUint(byteString, uint64(j.Version), 10)
+	byteString = append(byteString, commaByte)
+
+	// Cipher Suites
+	if len(j.CipherSuites) != 0 {
+		for _, val := range j.CipherSuites {
+			if val&GreaseBitmask != 0x0A0A {
+				continue
+			}
+			byteString = strconv.AppendUint(byteString, uint64(val), 10)
+			byteString = append(byteString, dashByte)
+		}
+		// Replace last dash with a comma
+		byteString[len(byteString)-1] = commaByte
+	} else {
+		byteString = append(byteString, commaByte)
+	}
+
+	// Extensions
+	if len(j.Extensions) != 0 {
+		for _, val := range j.Extensions {
+			if val&GreaseBitmask != 0x0A0A {
+				continue
+			}
+			byteString = strconv.AppendUint(byteString, uint64(val), 10)
+			byteString = append(byteString, dashByte)
+		}
+		// Replace last dash with a comma
+		byteString[len(byteString)-1] = commaByte
+	} else {
+		byteString = append(byteString, commaByte)
+	}
+
+	// Elliptic curves
+	if len(j.EllipticCurves) != 0 {
+		for _, val := range j.EllipticCurves {
+			if val&GreaseBitmask != 0x0A0A {
+				continue
+			}
+			byteString = strconv.AppendUint(byteString, uint64(val), 10)
+			byteString = append(byteString, dashByte)
+		}
+		// Replace last dash with a comma
+		byteString[len(byteString)-1] = commaByte
+	} else {
+		byteString = append(byteString, commaByte)
+	}
+
+	// ECPF
+	if len(j.EllipticCurvePF) != 0 {
+		for _, val := range j.EllipticCurvePF {
+			byteString = strconv.AppendUint(byteString, uint64(val), 10)
+			byteString = append(byteString, dashByte)
+		}
+		// Remove last dash
+		byteString = byteString[:len(byteString)-1]
+	}
+
+	j.ja3ByteString = byteString
+}

common/json/comment.go

@@ -1,128 +0,0 @@
-package json
-
-import (
-	"bufio"
-	"io"
-)
-
-// kanged from v2ray
-
-type commentFilterState = byte
-
-const (
-	commentFilterStateContent commentFilterState = iota
-	commentFilterStateEscape
-	commentFilterStateDoubleQuote
-	commentFilterStateDoubleQuoteEscape
-	commentFilterStateSingleQuote
-	commentFilterStateSingleQuoteEscape
-	commentFilterStateComment
-	commentFilterStateSlash
-	commentFilterStateMultilineComment
-	commentFilterStateMultilineCommentStar
-)
-
-type CommentFilter struct {
-	br    *bufio.Reader
-	state commentFilterState
-}
-
-func NewCommentFilter(reader io.Reader) io.Reader {
-	return &CommentFilter{br: bufio.NewReader(reader)}
-}
-
-func (v *CommentFilter) Read(b []byte) (int, error) {
-	p := b[:0]
-	for len(p) < len(b)-2 {
-		x, err := v.br.ReadByte()
-		if err != nil {
-			if len(p) == 0 {
-				return 0, err
-			}
-			return len(p), nil
-		}
-		switch v.state {
-		case commentFilterStateContent:
-			switch x {
-			case '"':
-				v.state = commentFilterStateDoubleQuote
-				p = append(p, x)
-			case '\'':
-				v.state = commentFilterStateSingleQuote
-				p = append(p, x)
-			case '\\':
-				v.state = commentFilterStateEscape
-			case '#':
-				v.state = commentFilterStateComment
-			case '/':
-				v.state = commentFilterStateSlash
-			default:
-				p = append(p, x)
-			}
-		case commentFilterStateEscape:
-			p = append(p, '\\', x)
-			v.state = commentFilterStateContent
-		case commentFilterStateDoubleQuote:
-			switch x {
-			case '"':
-				v.state = commentFilterStateContent
-				p = append(p, x)
-			case '\\':
-				v.state = commentFilterStateDoubleQuoteEscape
-			default:
-				p = append(p, x)
-			}
-		case commentFilterStateDoubleQuoteEscape:
-			p = append(p, '\\', x)
-			v.state = commentFilterStateDoubleQuote
-		case commentFilterStateSingleQuote:
-			switch x {
-			case '\'':
-				v.state = commentFilterStateContent
-				p = append(p, x)
-			case '\\':
-				v.state = commentFilterStateSingleQuoteEscape
-			default:
-				p = append(p, x)
-			}
-		case commentFilterStateSingleQuoteEscape:
-			p = append(p, '\\', x)
-			v.state = commentFilterStateSingleQuote
-		case commentFilterStateComment:
-			if x == '\n' {
-				v.state = commentFilterStateContent
-				p = append(p, '\n')
-			}
-		case commentFilterStateSlash:
-			switch x {
-			case '/':
-				v.state = commentFilterStateComment
-			case '*':
-				v.state = commentFilterStateMultilineComment
-			default:
-				p = append(p, '/', x)
-			}
-		case commentFilterStateMultilineComment:
-			switch x {
-			case '*':
-				v.state = commentFilterStateMultilineCommentStar
-			case '\n':
-				p = append(p, '\n')
-			}
-		case commentFilterStateMultilineCommentStar:
-			switch x {
-			case '/':
-				v.state = commentFilterStateContent
-			case '*':
-				// Stay
-			case '\n':
-				p = append(p, '\n')
-			default:
-				v.state = commentFilterStateMultilineComment
-			}
-		default:
-			panic("Unknown state.")
-		}
-	}
-	return len(p), nil
-}

common/json/context.go

@@ -1,21 +0,0 @@
-//go:build go1.21 && !without_contextjson
-
-package json
-
-import "github.com/sagernet/sing-box/common/contextjson"
-
-var (
-	Marshal    = json.Marshal
-	Unmarshal  = json.Unmarshal
-	NewEncoder = json.NewEncoder
-	NewDecoder = json.NewDecoder
-)
-
-type (
-	Encoder     = json.Encoder
-	Decoder     = json.Decoder
-	Token       = json.Token
-	Delim       = json.Delim
-	SyntaxError = json.SyntaxError
-	RawMessage  = json.RawMessage
-)