bump version to v2.3.0 (#859)

also some improvements:

1. add magic dns option in gui.
2. allow icmp proxy fail on android
3. when no_tun is enabled, android do not start vpn service

Co-authored-by: Your Name <you@example.com>

.github/workflows/core.yml

@@ -31,6 +31,47 @@ jobs:
           skip_after_successful_duplicate: 'true'
           cancel_others: 'true'
           paths: '["Cargo.toml", "Cargo.lock", "easytier/**", ".github/workflows/core.yml", ".github/workflows/install_rust.sh"]'
+  build_web:
+    runs-on: ubuntu-latest
+    needs: pre_job
+    if: needs.pre_job.outputs.should_skip != 'true'
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 21
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v3
+        with:
+          version: 9
+          run_install: false
+
+      - name: Get pnpm store directory
+        shell: bash
+        run: |
+          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+
+      - name: Setup pnpm cache
+        uses: actions/cache@v4
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
+
+      - name: Install frontend dependencies
+        run: |
+          pnpm -r install
+          pnpm -r --filter "./easytier-web/*"  build
+
+      - name: Archive artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: easytier-web-dashboard
+          path: |
+            easytier-web/frontend/dist/*
   build:
     strategy:
       fail-fast: false
@@ -71,10 +112,12 @@ jobs:
           - TARGET: x86_64-pc-windows-msvc
             OS: windows-latest
             ARTIFACT_NAME: windows-x86_64
-
           - TARGET: aarch64-pc-windows-msvc
             OS: windows-latest
             ARTIFACT_NAME: windows-arm64
+          - TARGET: i686-pc-windows-msvc
+            OS: windows-latest
+            ARTIFACT_NAME: windows-i686
 
           - TARGET: x86_64-unknown-freebsd
             OS: ubuntu-22.04
@@ -87,7 +130,9 @@ jobs:
       TARGET: ${{ matrix.TARGET }}
       OS: ${{ matrix.OS }}
       OSS_BUCKET: ${{ secrets.ALIYUN_OSS_BUCKET }}
-    needs: pre_job
+    needs:
+      - pre_job
+      - build_web
     if: needs.pre_job.outputs.should_skip != 'true'
     steps:
       - uses: actions/checkout@v3
@@ -96,6 +141,12 @@ jobs:
         run: |
           echo "GIT_DESC=$(git log -1 --format=%cd.%h --date=format:%Y-%m-%d_%H:%M:%S)" >> $GITHUB_ENV
 
+      - name: Download web artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: easytier-web-dashboard
+          path: easytier-web/frontend/dist/
+
       - name: Cargo cache
         if: ${{ ! endsWith(matrix.TARGET, 'freebsd') }}
         uses: actions/cache@v4
@@ -121,23 +172,27 @@ jobs:
           if [[ $OS =~ ^ubuntu.*$ && $TARGET =~ ^mips.*$ ]]; then
             cargo +nightly build -r --verbose --target $TARGET -Z build-std=std,panic_abort --no-default-features --features mips --package=easytier
           else
+            if [[ $OS =~ ^windows.*$ ]]; then
+              SUFFIX=.exe
+            fi
+            cargo build --release --verbose --target $TARGET --package=easytier-web --features=embed
+            mv ./target/$TARGET/release/easytier-web"$SUFFIX" ./target/$TARGET/release/easytier-web-embed"$SUFFIX"
             cargo build --release --verbose --target $TARGET
           fi
 
       # Copied and slightly modified from @lmq8267 (https://github.com/lmq8267)
       - name: Build Core & Cli (X86_64 FreeBSD)
-        uses: cross-platform-actions/action@v0.23.0
+        uses: vmactions/freebsd-vm@v1
         if: ${{ endsWith(matrix.TARGET, 'freebsd') }}
         env:
           TARGET: ${{ matrix.TARGET }}
         with:
-          operating_system: freebsd
+          envs: TARGET
-          environment_variables: TARGET
+          release: ${{ matrix.BSD_VERSION }}
-          architecture: x86-64
+          arch: x86_64
-          version: ${{ matrix.BSD_VERSION }}
+          usesh: true
-          shell: bash
+          mem: 6144
-          memory: 5G
+          cpu: 4
-          cpu_count: 4
           run: |
             uname -a
             echo $SHELL
@@ -146,19 +201,21 @@ jobs:
             whoami
             env | sort
 
-            sudo pkg install -y git protobuf llvm-devel
+            pkg install -y git protobuf llvm-devel sudo curl
             curl --proto 'https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
-            source $HOME/.cargo/env
+            . $HOME/.cargo/env
 
             rustup set auto-self-update disable
 
-            rustup install 1.84
+            rustup install 1.86
-            rustup default 1.84
+            rustup default 1.86
 
             export CC=clang
             export CXX=clang++
             export CARGO_TERM_COLOR=always
 
+            cargo build --release --verbose --target $TARGET --package=easytier-web --features=embed
+            mv ./target/$TARGET/release/easytier-web ./target/$TARGET/release/easytier-web-embed
             cargo build --release --verbose --target $TARGET
 
       - name: Install UPX
@@ -174,12 +231,13 @@ jobs:
           # windows is the only OS using a different convention for executable file name
           if [[ $OS =~ ^windows.*$ && $TARGET =~ ^x86_64.*$ ]]; then
               SUFFIX=.exe
-              cp easytier/third_party/Packet.dll ./artifacts/objects/
+              cp easytier/third_party/*.dll ./artifacts/objects/
-              cp easytier/third_party/wintun.dll ./artifacts/objects/
+          elif [[ $OS =~ ^windows.*$ && $TARGET =~ ^i686.*$ ]]; then
+              SUFFIX=.exe
+              cp easytier/third_party/i686/*.dll ./artifacts/objects/
           elif [[ $OS =~ ^windows.*$ && $TARGET =~ ^aarch64.*$ ]]; then
               SUFFIX=.exe
-              cp easytier/third_party/arm64/Packet.dll ./artifacts/objects/
+              cp easytier/third_party/arm64/*.dll ./artifacts/objects/
-              cp easytier/third_party/arm64/wintun.dll ./artifacts/objects/
           fi
           if [[ $GITHUB_REF_TYPE =~ ^tag$ ]]; then
             TAG=$GITHUB_REF_NAME
@@ -196,6 +254,7 @@ jobs:
           mv ./target/$TARGET/release/easytier-cli"$SUFFIX" ./artifacts/objects/
           if [[ ! $TARGET =~ ^mips.*$ ]]; then
             mv ./target/$TARGET/release/easytier-web"$SUFFIX" ./artifacts/objects/
+            mv ./target/$TARGET/release/easytier-web-embed"$SUFFIX" ./artifacts/objects/
           fi
 
           mv ./artifacts/objects/* ./artifacts/
@@ -213,8 +272,47 @@ jobs:
     runs-on: ubuntu-latest
     needs:
       - pre_job
+      - build_web
       - build
     steps:
       - name: Mark result as failed
         if: needs.build.result != 'success'
         run: exit 1
+
+  magisk_build:
+    needs: 
+      - pre_job
+      - build_web
+      - build
+    if: needs.pre_job.outputs.should_skip != 'true' && always()
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4  # 必须先检出代码才能获取模块配置
+
+      # 下载二进制文件到独立目录
+      - name: Download Linux aarch64 binaries
+        uses: actions/download-artifact@v4
+        with:
+          name: easytier-linux-aarch64
+          path: ./downloaded-binaries/  # 独立目录避免冲突
+
+      # 将二进制文件复制到 Magisk 模块目录
+      - name: Prepare binaries
+        run: |
+          mkdir -p ./easytier-contrib/easytier-magisk/
+          cp ./downloaded-binaries/easytier-core ./easytier-contrib/easytier-magisk/
+          cp ./downloaded-binaries/easytier-cli ./easytier-contrib/easytier-magisk/
+          cp ./downloaded-binaries/easytier-web ./easytier-contrib/easytier-magisk/
+
+
+      # 上传生成的模块
+      - name: Upload Magisk Module
+        uses: actions/upload-artifact@v4
+        with:
+          name: Easytier-Magisk
+          path: |
+            ./easytier-contrib/easytier-magisk
+            !./easytier-contrib/easytier-magisk/build.sh
+            !./easytier-contrib/easytier-magisk/magisk_update.json
+          if-no-files-found: error

.github/workflows/docker.yml

@@ -11,7 +11,7 @@ on:
       image_tag:
         description: 'Tag for this image build'
         type: string
-        default: 'v2.2.3'
+        default: 'v2.3.0'
         required: true
       mark_latest:
         description: 'Mark this image as latest'

.github/workflows/gui.yml

@@ -63,6 +63,11 @@ jobs:
             GUI_TARGET: aarch64-pc-windows-msvc
             ARTIFACT_NAME: windows-arm64
 
+          - TARGET: i686-pc-windows-msvc
+            OS: windows-latest
+            GUI_TARGET: i686-pc-windows-msvc
+            ARTIFACT_NAME: windows-i686
+
     runs-on: ${{ matrix.OS }}
     env:
       NAME: easytier
@@ -73,6 +78,56 @@ jobs:
     needs: pre_job
     if: needs.pre_job.outputs.should_skip != 'true'    
     steps:
+      - name: Install GUI dependencies (x86 only)
+        if: ${{ matrix.TARGET == 'x86_64-unknown-linux-musl' }}
+        run: |
+          sudo apt update
+          sudo apt install -qq libwebkit2gtk-4.1-dev \
+              build-essential \
+              curl \
+              wget \
+              file \
+              libgtk-3-dev \
+              librsvg2-dev \
+              libxdo-dev \
+              libssl-dev \
+              patchelf
+
+      - name: Install GUI cross compile (aarch64 only)
+        if: ${{ matrix.TARGET == 'aarch64-unknown-linux-musl' }}
+        run: |
+          # see https://tauri.app/v1/guides/building/linux/
+          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy main restricted" | sudo tee /etc/apt/sources.list
+          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy universe" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy-updates universe" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy multiverse" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy-updates multiverse" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy-backports main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=amd64] http://security.ubuntu.com/ubuntu/ jammy-security main restricted" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=amd64] http://security.ubuntu.com/ubuntu/ jammy-security universe" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=amd64] http://security.ubuntu.com/ubuntu/ jammy-security multiverse" | sudo tee -a /etc/apt/sources.list
+
+          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy main restricted" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-updates main restricted" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy universe" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-updates universe" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy multiverse" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-updates multiverse" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-backports main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-security main restricted" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-security universe" | sudo tee -a /etc/apt/sources.list
+          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-security multiverse" | sudo tee -a /etc/apt/sources.list
+
+          sudo dpkg --add-architecture arm64
+          sudo apt update
+          sudo apt install aptitude
+          sudo aptitude install -y libgstreamer1.0-0:arm64 gstreamer1.0-plugins-base:arm64 gstreamer1.0-plugins-good:arm64 \
+            libgstreamer-gl1.0-0:arm64 libgstreamer-plugins-base1.0-0:arm64 libgstreamer-plugins-good1.0-0:arm64 libwebkit2gtk-4.1-0:arm64 \
+            libwebkit2gtk-4.1-dev:arm64 libssl-dev:arm64 gcc-aarch64-linux-gnu
+          echo "PKG_CONFIG_SYSROOT_DIR=/usr/aarch64-linux-gnu/" >> "$GITHUB_ENV"
+          echo "PKG_CONFIG_PATH=/usr/lib/aarch64-linux-gnu/pkgconfig/" >> "$GITHUB_ENV"
+
       - uses: actions/checkout@v3
 
       - name: Set current ref as env variable
@@ -124,59 +179,13 @@ jobs:
           # GitHub repo token to use to avoid rate limiter
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Install GUI dependencies (x86 only)
-        if: ${{ matrix.TARGET == 'x86_64-unknown-linux-musl' }}
-        run: |
-          sudo apt install -qq libwebkit2gtk-4.1-dev \
-              build-essential \
-              curl \
-              wget \
-              file \
-              libgtk-3-dev \
-              librsvg2-dev \
-              libxdo-dev \
-              libssl-dev \
-              patchelf
-
-      - name: Install GUI cross compile (aarch64 only)
-        if: ${{ matrix.TARGET == 'aarch64-unknown-linux-musl' }}
-        run: |
-          # see https://tauri.app/v1/guides/building/linux/
-          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy main restricted" | sudo tee /etc/apt/sources.list
-          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy universe" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy-updates universe" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy multiverse" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy-updates multiverse" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ jammy-backports main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=amd64] http://security.ubuntu.com/ubuntu/ jammy-security main restricted" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=amd64] http://security.ubuntu.com/ubuntu/ jammy-security universe" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=amd64] http://security.ubuntu.com/ubuntu/ jammy-security multiverse" | sudo tee -a /etc/apt/sources.list
-
-          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy main restricted" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-updates main restricted" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy universe" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-updates universe" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy multiverse" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-updates multiverse" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-backports main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-security main restricted" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-security universe" | sudo tee -a /etc/apt/sources.list
-          echo "deb [arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports jammy-security multiverse" | sudo tee -a /etc/apt/sources.list
-
-          sudo dpkg --add-architecture arm64
-          sudo apt-get update
-          sudo apt-get install -y libgstreamer1.0-0:arm64 gstreamer1.0-plugins-base:arm64 gstreamer1.0-plugins-good:arm64 
-          sudo apt-get install -y libgstreamer-gl1.0-0:arm64 libgstreamer-plugins-base1.0-0:arm64 libgstreamer-plugins-good1.0-0:arm64 libwebkit2gtk-4.1-0:arm64
-          sudo apt install -f -o Dpkg::Options::="--force-overwrite" libwebkit2gtk-4.1-dev:arm64 libssl-dev:arm64 gcc-aarch64-linux-gnu
-          echo "PKG_CONFIG_SYSROOT_DIR=/usr/aarch64-linux-gnu/" >> "$GITHUB_ENV"
-          echo "PKG_CONFIG_PATH=/usr/lib/aarch64-linux-gnu/pkgconfig/" >> "$GITHUB_ENV"
-
       - name: copy correct DLLs
         if: ${{ matrix.OS == 'windows-latest' }}
         run: |
           if [[ $GUI_TARGET =~ ^aarch64.*$ ]]; then
             cp ./easytier/third_party/arm64/*.dll ./easytier-gui/src-tauri/
+          elif [[ $GUI_TARGET =~ ^i686.*$ ]]; then
+            cp ./easytier/third_party/i686/*.dll ./easytier-gui/src-tauri/
           else
             cp ./easytier/third_party/*.dll ./easytier-gui/src-tauri/
           fi

.github/workflows/install_rust.sh

@@ -36,7 +36,7 @@ if [[ $OS =~ ^ubuntu.*$ ]]; then
 
     if [ -n "$MUSL_URI" ]; then
         mkdir -p ./musl_gcc
-        wget -c https://musl.cc/${MUSL_URI}-cross.tgz -P ./musl_gcc/
+        wget --inet4-only -c https://musl.cc/${MUSL_URI}-cross.tgz -P ./musl_gcc/
         tar zxf ./musl_gcc/${MUSL_URI}-cross.tgz -C ./musl_gcc/
         sudo ln -s $(pwd)/musl_gcc/${MUSL_URI}-cross/bin/*gcc /usr/bin/
         sudo ln -s $(pwd)/musl_gcc/${MUSL_URI}-cross/${MUSL_URI}/include/ /usr/include/musl-cross
@@ -45,8 +45,8 @@ fi
 
 # see https://github.com/rust-lang/rustup/issues/3709
 rustup set auto-self-update disable
-rustup install 1.84
+rustup install 1.86
-rustup default 1.84
+rustup default 1.86
 
 # mips/mipsel cannot add target from rustup, need compile by ourselves
 if [[ $OS =~ ^ubuntu.*$ && $TARGET =~ ^mips.*$ ]]; then

.github/workflows/release.yml

@@ -21,7 +21,7 @@ on:
       version:
         description: 'Version for this release'
         type: string
-        default: 'v2.2.3'
+        default: 'v2.3.0'
         required: true
       make_latest:
         description: 'Mark this release as latest'

.github/workflows/test.yml

@@ -47,11 +47,40 @@ jobs:
 
       - name: Setup system for test
         run: |
+          sudo modprobe br_netfilter
           sudo sysctl net.bridge.bridge-nf-call-iptables=0
           sudo sysctl net.bridge.bridge-nf-call-ip6tables=0
           sudo sysctl net.ipv6.conf.lo.disable_ipv6=0
           sudo ip addr add 2001:db8::2/64 dev lo
 
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 21
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v3
+        with:
+          version: 9
+          run_install: false
+
+      - name: Get pnpm store directory
+        shell: bash
+        run: |
+          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+
+      - name: Setup pnpm cache
+        uses: actions/cache@v4
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
+
+      - name: Install frontend dependencies
+        run: |
+          pnpm -r install
+          pnpm -r --filter "./easytier-web/*"  build
+
       - name: Cargo cache
         uses: actions/cache@v4
         with:

Cargo.toml

@@ -1,6 +1,12 @@
 [workspace]
 resolver = "2"
-members = ["easytier", "easytier-gui/src-tauri", "easytier-rpc-build", "easytier-web"]
+members = [
+    "easytier",
+    "easytier-gui/src-tauri",
+    "easytier-rpc-build",
+    "easytier-web",
+    "easytier-contrib/easytier-ffi",
+]
 default-members = ["easytier", "easytier-web"]
 
 [profile.dev]
@@ -10,3 +16,5 @@ panic = "unwind"
 panic = "abort"
 lto = true
 codegen-units = 1
+opt-level = 'z'
+strip = true

README.md

@@ -1,11 +1,13 @@
 # EasyTier
 
+[![Github release](https://img.shields.io/github/v/tag/EasyTier/EasyTier)](https://github.com/EasyTier/EasyTier/releases)
 [![GitHub](https://img.shields.io/github/license/EasyTier/EasyTier)](https://github.com/EasyTier/EasyTier/blob/main/LICENSE)
 [![GitHub last commit](https://img.shields.io/github/last-commit/EasyTier/EasyTier)](https://github.com/EasyTier/EasyTier/commits/main)
 [![GitHub issues](https://img.shields.io/github/issues/EasyTier/EasyTier)](https://github.com/EasyTier/EasyTier/issues)
 [![GitHub Core Actions](https://github.com/EasyTier/EasyTier/actions/workflows/core.yml/badge.svg)](https://github.com/EasyTier/EasyTier/actions/workflows/core.yml)
 [![GitHub GUI Actions](https://github.com/EasyTier/EasyTier/actions/workflows/gui.yml/badge.svg)](https://github.com/EasyTier/EasyTier/actions/workflows/gui.yml)
 [![GitHub Test Actions](https://github.com/EasyTier/EasyTier/actions/workflows/test.yml/badge.svg)](https://github.com/EasyTier/EasyTier/actions/workflows/test.yml)
+[![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/EasyTier/EasyTier)
 
 [简体中文](/README_CN.md) | [English](/README.md)
 
@@ -62,7 +64,36 @@ EasyTier is a simple, safe and decentralized VPN networking solution implemented
     wget -O /tmp/easytier.sh "https://raw.githubusercontent.com/EasyTier/EasyTier/main/script/install.sh" && bash /tmp/easytier.sh install
     ```
 
-    You can also uninstall/update Easytier by the command "uninstall" or "update" of this script
+    The script supports the following commands and options:
+
+    Commands:
+    - `install`: Install EasyTier
+    - `uninstall`: Uninstall EasyTier
+    - `update`: Update EasyTier to the latest version
+    - `help`: Show help message
+
+    Options:
+    - `--skip-folder-verify`: Skip folder verification during installation
+    - `--skip-folder-fix`: Skip automatic folder path fixing
+    - `--no-gh-proxy`: Disable GitHub proxy
+    - `--gh-proxy`: Set custom GitHub proxy URL (default: https://ghfast.top/)
+
+    Examples:
+    ```sh
+    # Show help
+    bash /tmp/easytier.sh help
+
+    # Install with options
+    bash /tmp/easytier.sh install --skip-folder-verify
+    bash /tmp/easytier.sh install --no-gh-proxy
+    bash /tmp/easytier.sh install --gh-proxy https://your-proxy.com/
+
+    # Update EasyTier
+    bash /tmp/easytier.sh update
+
+    # Uninstall EasyTier
+    bash /tmp/easytier.sh uninstall
+    ```
 
 6. **Install by Homebrew (For MacOS Only)**
 

README_CN.md

@@ -61,7 +61,36 @@
     wget -O /tmp/easytier.sh "https://raw.githubusercontent.com/EasyTier/EasyTier/main/script/install.sh" && bash /tmp/easytier.sh install
     ```
 
-    使用本脚本安装的 Easytier 可以使用脚本的 uninstall/update 对其卸载/升级
+    脚本支持以下命令和选项：
+
+    命令：
+    - `install`: 安装 EasyTier
+    - `uninstall`: 卸载 EasyTier
+    - `update`: 更新 EasyTier 到最新版本
+    - `help`: 显示帮助信息
+
+    选项：
+    - `--skip-folder-verify`: 跳过安装过程中的文件夹验证
+    - `--skip-folder-fix`: 跳过自动修复文件夹路径
+    - `--no-gh-proxy`: 禁用 GitHub 代理
+    - `--gh-proxy`: 设置自定义 GitHub 代理 URL (默认值: https://ghfast.top/)
+
+    示例：
+    ```sh
+    # 查看帮助
+    bash /tmp/easytier.sh help
+
+    # 安装（带选项）
+    bash /tmp/easytier.sh install --skip-folder-verify
+    bash /tmp/easytier.sh install --no-gh-proxy
+    bash /tmp/easytier.sh install --gh-proxy https://your-proxy.com/
+
+    # 更新 EasyTier
+    bash /tmp/easytier.sh update
+
+    # 卸载 EasyTier
+    bash /tmp/easytier.sh uninstall
+    ```
 
 6. **使用 Homebrew 安装 (仅适用于 MacOS)**
 

easytier-contrib/easytier-ffi/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "easytier-ffi"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+easytier = { path = "../../easytier" }
+
+once_cell = "1.18.0"
+dashmap = "6.0"
+
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1"

easytier-contrib/easytier-ffi/examples/csharp.cs

@@ -0,0 +1,159 @@
+public class EasyTierFFI
+{
+    // 导入 DLL 函数
+    private const string DllName = "easytier_ffi.dll";
+
+    [DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
+    private static extern int parse_config([MarshalAs(UnmanagedType.LPStr)] string cfgStr);
+
+    [DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
+    private static extern int run_network_instance([MarshalAs(UnmanagedType.LPStr)] string cfgStr);
+
+    [DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
+    private static extern int retain_network_instance(IntPtr instNames, int length);
+
+    [DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
+    private static extern int collect_network_infos(IntPtr infos, int maxLength);
+
+    [DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
+    private static extern void get_error_msg(out IntPtr errorMsg);
+
+    [DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
+    private static extern void free_string(IntPtr str);
+
+    // 定义 KeyValuePair 结构体
+    [StructLayout(LayoutKind.Sequential)]
+    public struct KeyValuePair
+    {
+        public IntPtr Key;
+        public IntPtr Value;
+    }
+
+    // 解析配置
+    public static void ParseConfig(string config)
+    {
+        if (string.IsNullOrEmpty(config))
+        {
+            throw new ArgumentException("Configuration string cannot be null or empty.");
+        }
+
+        int result = parse_config(config);
+        if (result < 0)
+        {
+            throw new Exception(GetErrorMessage());
+        }
+    }
+
+    // 启动网络实例
+    public static void RunNetworkInstance(string config)
+    {
+        if (string.IsNullOrEmpty(config))
+        {
+            throw new ArgumentException("Configuration string cannot be null or empty.");
+        }
+
+        int result = run_network_instance(config);
+        if (result < 0)
+        {
+            throw new Exception(GetErrorMessage());
+        }
+    }
+
+    // 保留网络实例
+    public static void RetainNetworkInstances(string[] instanceNames)
+    {
+        IntPtr[] namePointers = null;
+        IntPtr namesPtr = IntPtr.Zero;
+
+        try
+        {
+            if (instanceNames != null && instanceNames.Length > 0)
+            {
+                namePointers = new IntPtr[instanceNames.Length];
+                for (int i = 0; i < instanceNames.Length; i++)
+                {
+                    if (string.IsNullOrEmpty(instanceNames[i]))
+                    {
+                        throw new ArgumentException("Instance name cannot be null or empty.");
+                    }
+                    namePointers[i] = Marshal.StringToHGlobalAnsi(instanceNames[i]);
+                }
+
+                namesPtr = Marshal.AllocHGlobal(Marshal.SizeOf<IntPtr>() * namePointers.Length);
+                Marshal.Copy(namePointers, 0, namesPtr, namePointers.Length);
+            }
+
+            int result = retain_network_instance(namesPtr, instanceNames?.Length ?? 0);
+            if (result < 0)
+            {
+                throw new Exception(GetErrorMessage());
+            }
+        }
+        finally
+        {
+            if (namePointers != null)
+            {
+                foreach (var ptr in namePointers)
+                {
+                    if (ptr != IntPtr.Zero)
+                    {
+                        Marshal.FreeHGlobal(ptr);
+                    }
+                }
+            }
+
+            if (namesPtr != IntPtr.Zero)
+            {
+                Marshal.FreeHGlobal(namesPtr);
+            }
+        }
+    }
+
+    // 收集网络信息
+    public static KeyValuePair<string, string>[] CollectNetworkInfos(int maxLength)
+    {
+        IntPtr buffer = Marshal.AllocHGlobal(Marshal.SizeOf<KeyValuePair>() * maxLength);
+        try
+        {
+            int count = collect_network_infos(buffer, maxLength);
+            if (count < 0)
+            {
+                throw new Exception(GetErrorMessage());
+            }
+
+            var result = new KeyValuePair<string, string>[count];
+            for (int i = 0; i < count; i++)
+            {
+                var kv = Marshal.PtrToStructure<KeyValuePair>(buffer + i * Marshal.SizeOf<KeyValuePair>());
+                string key = Marshal.PtrToStringAnsi(kv.Key);
+                string value = Marshal.PtrToStringAnsi(kv.Value);
+
+                // 释放由 FFI 分配的字符串内存
+                free_string(kv.Key);
+                free_string(kv.Value);
+
+                result[i] = new KeyValuePair<string, string>(key, value);
+            }
+
+            return result;
+        }
+        finally
+        {
+            Marshal.FreeHGlobal(buffer);
+        }
+    }
+
+    // 获取错误信息
+    private static string GetErrorMessage()
+    {
+        get_error_msg(out IntPtr errorMsgPtr);
+        if (errorMsgPtr == IntPtr.Zero)
+        {
+            return "Unknown error";
+        }
+
+        string errorMsg = Marshal.PtrToStringAnsi(errorMsgPtr);
+        free_string(errorMsgPtr); // 释放错误信息字符串
+        return errorMsg;
+    }
+}

easytier-contrib/easytier-ffi/src/lib.rs

@@ -0,0 +1,199 @@
+use std::sync::Mutex;
+
+use dashmap::DashMap;
+use easytier::{
+    common::config::{ConfigLoader as _, TomlConfigLoader},
+    launcher::NetworkInstance,
+};
+
+static INSTANCE_MAP: once_cell::sync::Lazy<DashMap<String, NetworkInstance>> =
+    once_cell::sync::Lazy::new(DashMap::new);
+
+static ERROR_MSG: once_cell::sync::Lazy<Mutex<Vec<u8>>> =
+    once_cell::sync::Lazy::new(|| Mutex::new(Vec::new()));
+
+#[repr(C)]
+pub struct KeyValuePair {
+    pub key: *const std::ffi::c_char,
+    pub value: *const std::ffi::c_char,
+}
+
+fn set_error_msg(msg: &str) {
+    let bytes = msg.as_bytes();
+    let mut msg_buf = ERROR_MSG.lock().unwrap();
+    let len = bytes.len();
+    msg_buf.resize(len, 0);
+    msg_buf[..len].copy_from_slice(bytes);
+}
+
+#[no_mangle]
+pub extern "C" fn get_error_msg(out: *mut *const std::ffi::c_char) {
+    let msg_buf = ERROR_MSG.lock().unwrap();
+    if msg_buf.is_empty() {
+        unsafe {
+            *out = std::ptr::null();
+        }
+        return;
+    }
+    let cstr = std::ffi::CString::new(&msg_buf[..]).unwrap();
+    unsafe {
+        *out = cstr.into_raw();
+    }
+}
+
+#[no_mangle]
+pub extern "C" fn free_string(s: *const std::ffi::c_char) {
+    if s.is_null() {
+        return;
+    }
+    unsafe {
+        let _ = std::ffi::CString::from_raw(s as *mut std::ffi::c_char);
+    }
+}
+
+#[no_mangle]
+pub extern "C" fn parse_config(cfg_str: *const std::ffi::c_char) -> std::ffi::c_int {
+    let cfg_str = unsafe {
+        assert!(!cfg_str.is_null());
+        std::ffi::CStr::from_ptr(cfg_str)
+            .to_string_lossy()
+            .into_owned()
+    };
+
+    if let Err(e) = TomlConfigLoader::new_from_str(&cfg_str) {
+        set_error_msg(&format!("failed to parse config: {:?}", e));
+        return -1;
+    }
+
+    0
+}
+
+#[no_mangle]
+pub extern "C" fn run_network_instance(cfg_str: *const std::ffi::c_char) -> std::ffi::c_int {
+    let cfg_str = unsafe {
+        assert!(!cfg_str.is_null());
+        std::ffi::CStr::from_ptr(cfg_str)
+            .to_string_lossy()
+            .into_owned()
+    };
+    let cfg = match TomlConfigLoader::new_from_str(&cfg_str) {
+        Ok(cfg) => cfg,
+        Err(e) => {
+            set_error_msg(&format!("failed to parse config: {}", e));
+            return -1;
+        }
+    };
+
+    let inst_name = cfg.get_inst_name();
+
+    if INSTANCE_MAP.contains_key(&inst_name) {
+        set_error_msg("instance already exists");
+        return -1;
+    }
+
+    let mut instance = NetworkInstance::new(cfg);
+    if let Err(e) = instance.start().map_err(|e| e.to_string()) {
+        set_error_msg(&format!("failed to start instance: {}", e));
+        return -1;
+    }
+
+    INSTANCE_MAP.insert(inst_name, instance);
+
+    0
+}
+
+#[no_mangle]
+pub extern "C" fn retain_network_instance(
+    inst_names: *const *const std::ffi::c_char,
+    length: usize,
+) -> std::ffi::c_int {
+    if length == 0 {
+        INSTANCE_MAP.clear();
+        return 0;
+    }
+
+    let inst_names = unsafe {
+        assert!(!inst_names.is_null());
+        std::slice::from_raw_parts(inst_names, length)
+            .iter()
+            .map(|&name| {
+                assert!(!name.is_null());
+                std::ffi::CStr::from_ptr(name)
+                    .to_string_lossy()
+                    .into_owned()
+            })
+            .collect::<Vec<_>>()
+    };
+
+    let _ = INSTANCE_MAP.retain(|k, _| inst_names.contains(k));
+
+    0
+}
+
+#[no_mangle]
+pub extern "C" fn collect_network_infos(
+    infos: *mut KeyValuePair,
+    max_length: usize,
+) -> std::ffi::c_int {
+    if max_length == 0 {
+        return 0;
+    }
+
+    let infos = unsafe {
+        assert!(!infos.is_null());
+        std::slice::from_raw_parts_mut(infos, max_length)
+    };
+
+    let mut index = 0;
+    for instance in INSTANCE_MAP.iter() {
+        if index >= max_length {
+            break;
+        }
+        let key = instance.key();
+        let Some(value) = instance.get_running_info() else {
+            continue;
+        };
+        // convert value to json string
+        let value = match serde_json::to_string(&value) {
+            Ok(value) => value,
+            Err(e) => {
+                set_error_msg(&format!("failed to serialize instance info: {}", e));
+                return -1;
+            }
+        };
+
+        infos[index] = KeyValuePair {
+            key: std::ffi::CString::new(key.clone()).unwrap().into_raw(),
+            value: std::ffi::CString::new(value).unwrap().into_raw(),
+        };
+        index += 1;
+    }
+
+    index as std::ffi::c_int
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_parse_config() {
+        let cfg_str = r#"
+            inst_name = "test"
+            network = "test_network"
+            fdsafdsa
+        "#;
+        let cstr = std::ffi::CString::new(cfg_str).unwrap();
+        assert_eq!(parse_config(cstr.as_ptr()), 0);
+    }
+
+    #[test]
+    fn test_run_network_instance() {
+        let cfg_str = r#"
+            inst_name = "test"
+            network = "test_network"
+        "#;
+        let cstr = std::ffi::CString::new(cfg_str).unwrap();
+        assert_eq!(run_network_instance(cstr.as_ptr()), 0);
+    }
+}

easytier-contrib/easytier-magisk/META-INF/com/google/android/update-binary

@@ -0,0 +1,33 @@
+#!/sbin/sh
+
+#################
+# Initialization
+#################
+
+umask 022
+
+# echo before loading util_functions
+ui_print() { echo "$1"; }
+
+require_new_magisk() {
+  ui_print "********************************"
+  ui_print " Please install Magisk v20.4+! "
+  ui_print "********************************"
+  exit 1
+}
+
+#########################
+# Load util_functions.sh
+#########################
+
+OUTFD=$2
+ZIPFILE=$3
+
+mount /data 2>/dev/null
+
+[ -f /data/adb/magisk/util_functions.sh ] || require_new_magisk
+. /data/adb/magisk/util_functions.sh
+[ $MAGISK_VER_CODE -lt 20400 ] && require_new_magisk
+
+install_module
+exit 0

easytier-contrib/easytier-magisk/META-INF/com/google/android/updater-script

@@ -0,0 +1 @@
+#MAGISK

easytier-contrib/easytier-magisk/README.md

@@ -0,0 +1,6 @@
+# easytier_magisk版模块
+magisk安装后重启
+
+目录位置:/data/adb/modules/easytier_magisk
+配置文件位置://data/adb/modules/easytier_magisk/config/config.conf
+修改config.conf即可，修改后配置文件后去magisk app重新开关模块即可生效

easytier-contrib/easytier-magisk/action.sh

@@ -0,0 +1,16 @@
+#!/data/adb/magisk/busybox sh
+MODDIR=${0%/*}
+echo 'Easytier 服务停止中....'
+
+PIDS=$(pgrep -f "^${MODDIR}/easytier-core -c ${MODDIR}/config/config.conf")
+
+if [ -n "$PIDS" ]; then
+    kill $PIDS  # 杀死所有匹配的进程
+    echo "已停止所有 Easytier 进程 (PIDs: $PIDS)"
+else
+    echo "Easytier 服务未运行"
+fi
+echo '重启服务中...'
+nohup sh ${MODDIR}/service.sh >> ${MODDIR}/log/start.log 2>&1 &
+echo '服务已重启'
+exit

easytier-contrib/easytier-magisk/build.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+version=$(cat module.prop | grep 'version=' | awk -F '=' '{print $2}' | sed 's/ (.*//')
+
+version='v'$(grep '^version =' ../../easytier/Cargo.toml | cut -d '"' -f 2)
+
+if [ -z "$version" ]; then
+    echo "Error: 版本号不存在."
+    exit 1
+fi
+
+filename="easytier_magisk_${version}.zip"
+echo $version  
+
+
+if [ -f "./easytier-core" ] && [ -f "./easytier-cli" ] && [ -f "./easytier-web" ]; then
+    zip -r -o -X "$filename" ./ -x '.git/*' -x '.github/*' -x 'folder/*' -x 'build.sh' -x 'magisk_update.json'
+else
+    wget -O "easytier_last.zip" https://github.com/EasyTier/EasyTier/releases/download/"$version"/easytier-linux-aarch64-"$version".zip
+    unzip -o easytier_last.zip -d ./
+    mv ./easytier-linux-aarch64/* ./
+    rm -rf ./easytier_last.zip
+    rm -rf ./easytier-linux-aarch64
+    zip -r -o -X "$filename" ./ -x '.git/*' -x '.github/*' -x 'folder/*' -x 'build.sh' -x 'magisk_update.json'
+fi

easytier-contrib/easytier-magisk/config/config.conf

@@ -0,0 +1,37 @@
+instance_name = "default"
+dhcp = false
+#ipv4="本机ip"
+listeners = [
+    "tcp://0.0.0.0:11010",
+    "udp://0.0.0.0:11010",
+    "wg://0.0.0.0:11011",
+    "ws://0.0.0.0:11011/",
+    "wss://0.0.0.0:11012/",
+]
+mapped_listeners = []
+exit_nodes = []
+rpc_portal = "0.0.0.0:15888"
+
+[network_identity]
+network_name = "default"
+network_secret = ""
+
+[[peer]]
+#uri = "协议://中转ip:端口"
+
+[flags]
+default_protocol = "tcp"
+dev_name = ""
+enable_encryption = true
+enable_ipv6 = true
+mtu = 1380
+latency_first = false
+enable_exit_node = false
+no_tun = false
+use_smoltcp = false
+foreign_network_whitelist = "*"
+disable_p2p = false
+relay_all_peer_rpc = false
+disable_udp_hole_punching = false
+
+

easytier-contrib/easytier-magisk/customize.sh

@@ -0,0 +1,7 @@
+ui_print '安装完成'
+ui_print '当前架构为' + $ARCH
+ui_print '当前系统版本为' + $API
+ui_print '安装目录为:  /data/adb/modules/easytier_magisk'
+ui_print '配置文件位置:  /data/adb/modules/easytier_magisk/config/config.conf'
+ui_print '修改后配置文件后在magisk app点击操作按钮即可生效'
+ui_print '记得重启'

easytier-contrib/easytier-magisk/magisk_update.json

@@ -0,0 +1,6 @@
+{
+    "version": "v1.0",
+    "versionCode": 1,
+    "zipUrl": "",
+    "changelog": ""
+}

easytier-contrib/easytier-magisk/module.prop

@@ -0,0 +1,7 @@
+id=easytier_magisk
+name=easytier_magisk版
+version=v2.2.4
+versionCode=1
+author=EasyTier
+description=easytier_magisk版模块 作者:EasyTier https://github.com/EasyTier/EasyTier
+updateJson=https://raw.githubusercontent.com/EasyTier/EasyTier/refs/heads/main/easytier-contrib/easytier-magisk/magisk_update.json

easytier-contrib/easytier-magisk/service.sh

@@ -0,0 +1,20 @@
+#!/data/adb/magisk/busybox sh
+MODDIR=${0%/*}
+# MODDIR="$(dirname $(readlink -f "$0"))"
+mkdir -p ${MODDIR}/log
+chmod 755 ${MODDIR}/*
+
+echo $MODDIR >> ${MODDIR}/log/start.log
+
+echo "Easytier 服务启动" >> ${MODDIR}/log/start.log
+
+# 启动
+nohup ${MODDIR}/easytier-core -c ${MODDIR}/config/config.conf >> ${MODDIR}/log/start.log 2>&1 &
+
+# 检查是否启用模块
+while [ ! -f ${MODDIR}/disable ]; do 
+    sleep 2
+done
+PID=$(ps -ef|grep "${MODDIR}/easytier-core -c ${MODDIR}/config/config.conf" | awk '{print $2}')
+kill $PID
+echo "Easytier 服务停止" >> ${MODDIR}/log/start.log

easytier-contrib/easytier-magisk/uninstall.sh

@@ -0,0 +1,2 @@
+MODDIR=${0%/*}
+rm -rf $MODDIR/*

easytier-gui/locales/cn.yml

@@ -113,3 +113,4 @@ event:
   VpnPortalClientDisconnected: VPN门户客户端已断开连接
   DhcpIpv4Changed: DHCP IPv4地址更改
   DhcpIpv4Conflicted: DHCP IPv4地址冲突
+  PortForwardAdded: 端口转发添加

easytier-gui/locales/en.yml

@@ -112,3 +112,4 @@ event:
   VpnPortalClientDisconnected: VpnPortalClientDisconnected
   DhcpIpv4Changed: DhcpIpv4Changed
   DhcpIpv4Conflicted: DhcpIpv4Conflicted
+  PortForwardAdded: PortForwardAdded

easytier-gui/package.json

@@ -1,7 +1,7 @@
 {
   "name": "easytier-gui",
   "type": "module",
-  "version": "2.2.3",
+  "version": "2.2.4",
   "private": true,
   "packageManager": "pnpm@9.12.1+sha512.e5a7e52a4183a02d5931057f7a0dbff9d5e9ce3161e33fa68ae392125b79282a8a8a470a51dfc8a0ed86221442eb2fb57019b0990ed24fab519bf0e1bc5ccfc4",
   "scripts": {
@@ -13,7 +13,7 @@
     "lint:fix": "eslint . --ignore-pattern src-tauri --fix"
   },
   "dependencies": {
-    "@primevue/themes": "^4.2.1",
+    "@primevue/themes": "4.3.3",
     "@tauri-apps/plugin-autostart": "2.0.0",
     "@tauri-apps/plugin-clipboard-manager": "2.0.0",
     "@tauri-apps/plugin-os": "2.0.0",
@@ -24,7 +24,7 @@
     "easytier-frontend-lib": "workspace:*",
     "ip-num": "1.5.1",
     "pinia": "^2.2.4",
-    "primevue": "^4.2.1",
+    "primevue": "4.3.3",
     "tauri-plugin-vpnservice-api": "workspace:*",
     "vue": "^3.5.12",
     "vue-router": "^4.4.5"
@@ -32,7 +32,7 @@
   "devDependencies": {
     "@antfu/eslint-config": "^3.7.3",
     "@intlify/unplugin-vue-i18n": "^5.2.0",
-    "@primevue/auto-import-resolver": "^4.1.0",
+    "@primevue/auto-import-resolver": "4.3.3",
     "@tauri-apps/api": "2.1.0",
     "@tauri-apps/cli": "2.1.0",
     "@types/default-gateway": "^7.2.2",

easytier-gui/src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "easytier-gui"
-version = "2.2.3"
+version = "2.3.0"
 description = "EasyTier GUI"
 authors = ["you"]
 edition = "2021"
@@ -14,6 +14,13 @@ crate-type = ["staticlib", "cdylib", "rlib"]
 [build-dependencies]
 tauri-build = { version = "2.0.0-rc", features = [] }
 
+# enable thunk-rs when compiling for x86_64 or i686 windows
+[target.x86_64-pc-windows-msvc.build-dependencies]
+thunk-rs = { git = "https://github.com/easytier/thunk.git", default-features = false, features = ["win7"] }
+
+[target.i686-pc-windows-msvc.build-dependencies]
+thunk-rs = { git = "https://github.com/easytier/thunk.git", default-features = false, features = ["win7"] }
+
 [dependencies]
 # wry 0.47 may crash on android, see https://github.com/EasyTier/EasyTier/issues/527
 tauri = { version = "=2.0.6", features = [
@@ -53,4 +60,4 @@ tauri-plugin-autostart = "2.0"
 custom-protocol = ["tauri/custom-protocol"]
 
 [target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]
-tauri-plugin-single-instance = "2.0.0-rc.0"
+tauri-plugin-single-instance = "2.2.3"

easytier-gui/src-tauri/build.rs

@@ -1,3 +1,12 @@
 fn main() {
+    // enable thunk-rs when target os is windows and arch is x86_64 or i686
+    #[cfg(target_os = "windows")]
+    if !std::env::var("TARGET")
+        .unwrap_or_default()
+        .contains("aarch64")
+    {
+        thunk::thunk();
+    }
+
     tauri_build::build();
 }

easytier-gui/src-tauri/tauri.conf.json

@@ -17,7 +17,7 @@
     "createUpdaterArtifacts": false
   },
   "productName": "easytier-gui",
-  "version": "2.2.3",
+  "version": "2.3.0",
   "identifier": "com.kkrainbow.easytier",
   "plugins": {},
   "app": {

easytier-gui/src/composables/mobile_vpn.ts

@@ -132,6 +132,14 @@ async function onNetworkInstanceChange() {
     return
   }
 
+  // if use no tun mode, stop the vpn service
+  const no_tun = networkStore.isNoTunEnabled(insts[0])
+  if (no_tun) {
+    console.error('no tun mode, stop vpn service')
+    await doStopVpn()
+    return
+  }
+
   let network_length = curNetworkInfo?.my_node_info?.virtual_ipv4.network_length
   if (!network_length) {
     network_length = 24

easytier-gui/src/stores/network.ts

@@ -128,6 +128,13 @@ export const useNetworkStore = defineStore('networkStore', {
       }
       this.saveAutoStartInstIdsToLocalStorage()
     },
+
+    isNoTunEnabled(instanceId: string): boolean {
+      const cfg = this.networkList.find((cfg) => cfg.instance_id === instanceId)
+      if (!cfg)
+        return false
+      return cfg.no_tun ?? false
+    },
   },
 })
 

easytier-gui/src/styles.css

@@ -45,3 +45,11 @@
   border-radius: 4px;
   background-color: #0000005d;
 }
+
+.p-password {
+  width: 100%;
+}
+
+.p-password>input {
+  width: 100%;
+}

easytier-web/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "easytier-web"
-version = "2.2.3"
+version = "2.3.0"
 edition = "2021"
 description = "Config server for easytier. easytier-core gets config from this and web frontend use it as restful api server."
 
@@ -18,6 +18,7 @@ axum = { version = "0.7", features = ["macros"] }
 axum-login = { version = "0.16" }
 password-auth = { version = "1.0.0" }
 axum-messages = "0.7.0"
+axum-embed = { version = "0.1.0", optional = true }
 tower-sessions-sqlx-store = { version = "0.14.1", features = ["sqlite"] }
 tower-sessions = { version = "0.13.0", default-features = false, features = [
     "signed",
@@ -59,3 +60,14 @@ uuid = { version = "1.5.0", features = [
 ] }
 
 chrono = { version = "0.4.37", features = ["serde"] }
+
+[features]
+default = []
+embed = ["dep:axum-embed"]
+
+# enable thunk-rs when compiling for x86_64 or i686 windows
+[target.x86_64-pc-windows-msvc.build-dependencies]
+thunk-rs = { git = "https://github.com/easytier/thunk.git", default-features = false, features = ["win7"] }
+
+[target.i686-pc-windows-msvc.build-dependencies]
+thunk-rs = { git = "https://github.com/easytier/thunk.git", default-features = false, features = ["win7"] }

easytier-web/build.rs

@@ -0,0 +1,7 @@
+fn main() {
+    // enable thunk-rs when target os is windows and arch is x86_64 or i686
+    #[cfg(target_os = "windows")]
+    if !std::env::var("TARGET").unwrap_or_default().contains("aarch64"){
+        thunk::thunk();
+    }
+}

easytier-web/frontend-lib/package.json

@@ -18,14 +18,14 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "@primevue/themes": "^4.2.1",
+    "@primevue/themes": "4.3.3",
     "@vueuse/core": "^11.1.0",
     "aura": "link:@primevue\\themes\\aura",
     "axios": "^1.7.7",
     "floating-vue": "^5.2",
     "ip-num": "1.5.1",
     "primeicons": "^7.0.0",
-    "primevue": "^4.2.1",
+    "primevue": "4.3.3",
     "tailwindcss-primeui": "^0.3.4",
     "ts-md5": "^1.3.1",
     "uuid": "^11.0.2",

easytier-web/frontend-lib/src/components/Config.vue

@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import InputGroup from 'primevue/inputgroup'
 import InputGroupAddon from 'primevue/inputgroupaddon'
-import { SelectButton, Checkbox, InputText, InputNumber, AutoComplete, Panel, Divider, ToggleButton, Button } from 'primevue'
+import { SelectButton, Checkbox, InputText, InputNumber, AutoComplete, Panel, Divider, ToggleButton, Button, Password } from 'primevue'
 import { DEFAULT_NETWORK_CONFIG, NetworkConfig, NetworkingMethod } from '../types/network'
 import { defineProps, defineEmits, ref, } from 'vue'
 import { useI18n } from 'vue-i18n'
@@ -155,6 +155,8 @@ const bool_flags: BoolFlag[] = [
   { field: 'multi_thread', help: 'multi_thread_help' },
   { field: 'proxy_forward_by_system', help: 'proxy_forward_by_system_help' },
   { field: 'disable_encryption', help: 'disable_encryption_help' },
+  { field: 'disable_udp_hole_punching', help: 'disable_udp_hole_punching_help' },
+  { field: 'enable_magic_dns', help: 'enable_magic_dns_help' },
 ]
 
 </script>
@@ -196,8 +198,8 @@ const bool_flags: BoolFlag[] = [
                 </div>
                 <div class="flex flex-col gap-2 basis-5/12 grow">
                   <label for="network_secret">{{ t('network_secret') }}</label>
-                  <InputText id="network_secret" v-model="curNetwork.network_secret"
+                  <Password id="network_secret" v-model="curNetwork.network_secret"
-                    aria-describedby="network_secret-help" />
+                    aria-describedby="network_secret-help" toggleMask :feedback="false"/>
                 </div>
               </div>
 
@@ -309,6 +311,18 @@ const bool_flags: BoolFlag[] = [
                 </div>
               </div>
 
+              <div class="flex flex-row gap-x-9 flex-wrap">
+                <div class="flex flex-col gap-2 basis-5/12 grow">
+                  <div class="flex">
+                    <label for="mtu">{{ t('mtu') }}</label>
+                    <span class="pi pi-question-circle ml-2 self-center"
+                          v-tooltip="t('mtu_help')"></span>
+                  </div>
+                  <InputNumber id="mtu" v-model="curNetwork.mtu" aria-describedby="mtu-help"
+                               :format="false" :placeholder="t('mtu_placeholder')" :min="400" :max="1380" fluid/>
+                </div>
+              </div>
+
               <div class="flex flex-row gap-x-9 flex-wrap">
                 <div class="flex flex-col gap-2 basis-5/12 grow">
                   <div class="flex">
@@ -375,6 +389,18 @@ const bool_flags: BoolFlag[] = [
                 </div>
               </div>
 
+              <div class="flex flex-row gap-x-9 flex-wrap w-full">
+                <div class="flex flex-col gap-2 grow p-fluid">
+                  <div class="flex">
+                    <label for="mapped_listeners">{{ t('mapped_listeners') }}</label>
+                    <span class="pi pi-question-circle ml-2 self-center" v-tooltip="t('mapped_listeners_help')"></span>
+                  </div>
+                  <AutoComplete id="mapped_listeners" v-model="curNetwork.mapped_listeners"
+                                :placeholder="t('chips_placeholder', ['tcp://123.123.123.123:11223'])" class="w-full"
+                                multiple fluid :suggestions="peerSuggestions" @complete="searchPeerSuggestions" />
+                </div>
+              </div>
+
             </div>
           </Panel>
 

easytier-web/frontend-lib/src/components/Status.vue

@@ -5,7 +5,7 @@ import { NetworkInstance, type NodeInfo, type PeerRoutePair } from '../types/net
 import { useI18n } from 'vue-i18n';
 import { computed, onMounted, onUnmounted, ref } from 'vue';
 import { ipv4InetToString, ipv4ToString, ipv6ToString } from '../modules/utils';
-import { DataTable, Column, Tag, Chip, Button, Dialog, ScrollPanel, Timeline, Divider, Panel, } from 'primevue';
+import { DataTable, Column, Tag, Chip, Button, Dialog, ScrollPanel, Timeline, Divider, Card, } from 'primevue';
 
 const props = defineProps<{
   curNetworkInst: NetworkInstance | null,
@@ -303,15 +303,15 @@ function showEventLogs() {
 
 <template>
   <div class="frontend-lib">
-    <Dialog v-model:visible="dialogVisible" modal :header="t(dialogHeader)" class="w-2/3 h-auto max-h-full"
+    <Dialog v-model:visible="dialogVisible" modal :header="t(dialogHeader)" class="w-full h-auto max-h-full"
       :baseZIndex="2000">
-      <ScrollPanel v-if="dialogHeader === 'vpn_portal_config'" class="w-2/3">
+      <ScrollPanel v-if="dialogHeader === 'vpn_portal_config'">
         <pre>{{ dialogContent }}</pre>
       </ScrollPanel>
       <Timeline v-else :value="dialogContent">
         <template #opposite="slotProps">
           <small class="text-surface-500 dark:text-surface-400">{{ useTimeAgo(Date.parse(slotProps.item.time))
-          }}</small>
+            }}</small>
         </template>
         <template #content="slotProps">
           <HumanEvent :event="slotProps.item.event" />
@@ -319,101 +319,107 @@ function showEventLogs() {
       </Timeline>
     </Dialog>
 
-    <Panel v-if="curNetworkInst?.error_msg">
+    <Card v-if="curNetworkInst?.error_msg">
-      <template #header>
+      <template #title>
         Run Network Error
       </template>
-      <div class="flex flex-col gap-y-5">
+      <template #content>
-        <div class="text-red-500">
+        <div class="flex flex-col gap-y-5">
-          {{ curNetworkInst.error_msg }}
+          <div class="text-red-500">
+            {{ curNetworkInst.error_msg }}
+          </div>
         </div>
-      </div>
+      </template>
-    </Panel>
+    </Card>
 
     <template v-else>
-      <Panel>
+      <Card>
-        <template #header>
+        <template #title>
           {{ t('my_node_info') }}
         </template>
-        <div class="flex w-full flex-col gap-y-5">
+        <template #content>
-          <div class="m-0 flex flex-row justify-center gap-x-5">
+          <div class="flex w-full flex-col gap-y-5">
-            <div class="rounded-full w-32 h-32 flex flex-col items-center pt-6" style="border: 1px solid green">
+            <div class="m-0 flex flex-row justify-center gap-x-5">
-              <div class="font-bold">
+              <div class="rounded-full w-32 h-32 flex flex-col items-center pt-6" style="border: 1px solid green">
-                {{ t('peer_count') }}
+                <div class="font-bold">
+                  {{ t('peer_count') }}
+                </div>
+                <div class="text-5xl mt-1">
+                  {{ peerCount }}
+                </div>
               </div>
-              <div class="text-5xl mt-1">
+
-                {{ peerCount }}
+              <div class="rounded-full w-32 h-32 flex flex-col items-center pt-6" style="border: 1px solid purple">
+                <div class="font-bold">
+                  {{ t('upload') }}
+                </div>
+                <div class="text-xl mt-2">
+                  {{ txRate }}/s
+                </div>
+              </div>
+
+              <div class="rounded-full w-32 h-32 flex flex-col items-center pt-6" style="border: 1px solid fuchsia">
+                <div class="font-bold">
+                  {{ t('download') }}
+                </div>
+                <div class="text-xl mt-2">
+                  {{ rxRate }}/s
+                </div>
               </div>
             </div>
 
-            <div class="rounded-full w-32 h-32 flex flex-col items-center pt-6" style="border: 1px solid purple">
+            <div class="flex flex-row items-center flex-wrap w-full max-h-40 overflow-scroll">
-              <div class="font-bold">
+              <Chip v-for="(chip, i) in myNodeInfoChips" :key="i" :label="chip.label" :icon="chip.icon"
-                {{ t('upload') }}
+                class="mr-2 mt-2 text-sm" />
-              </div>
-              <div class="text-xl mt-2">
-                {{ txRate }}/s
-              </div>
             </div>
 
-            <div class="rounded-full w-32 h-32 flex flex-col items-center pt-6" style="border: 1px solid fuchsia">
+            <div v-if="myNodeInfo" class="m-0 flex flex-row justify-center gap-x-5 text-sm">
-              <div class="font-bold">
+              <Button severity="info" :label="t('show_vpn_portal_config')" @click="showVpnPortalConfig" />
-                {{ t('download') }}
+              <Button severity="info" :label="t('show_event_log')" @click="showEventLogs" />
-              </div>
-              <div class="text-xl mt-2">
-                {{ rxRate }}/s
-              </div>
             </div>
           </div>
-
+        </template>
-          <div class="flex flex-row items-center flex-wrap w-full max-h-40 overflow-scroll">
+      </Card>
-            <Chip v-for="(chip, i) in myNodeInfoChips" :key="i" :label="chip.label" :icon="chip.icon"
-              class="mr-2 mt-2 text-sm" />
-          </div>
-
-          <div v-if="myNodeInfo" class="m-0 flex flex-row justify-center gap-x-5 text-sm">
-            <Button severity="info" :label="t('show_vpn_portal_config')" @click="showVpnPortalConfig" />
-            <Button severity="info" :label="t('show_event_log')" @click="showEventLogs" />
-          </div>
-        </div>
-      </Panel>
 
       <Divider />
 
-      <Panel>
+      <Card>
-        <template #header>
+        <template #title>
           {{ t('peer_info') }}
         </template>
-        <DataTable :value="peerRouteInfos" column-resize-mode="fit" table-class="w-full">
+        <template #content>
-          <Column :field="ipFormat" :header="t('virtual_ipv4')" />
+          <DataTable :value="peerRouteInfos" column-resize-mode="fit" table-class="w-full">
-          <Column :header="t('hostname')">
+            <Column :field="ipFormat" :header="t('virtual_ipv4')" />
-            <template #body="slotProps">
+            <Column :header="t('hostname')">
-              <div v-if="!slotProps.data.route.cost || !slotProps.data.route.feature_flag.is_public_server"
+              <template #body="slotProps">
-                v-tooltip="slotProps.data.route.hostname">
+                <div v-if="!slotProps.data.route.cost || !slotProps.data.route.feature_flag.is_public_server"
-                {{
+                  v-tooltip="slotProps.data.route.hostname">
-                  slotProps.data.route.hostname }}
+                  {{
-              </div>
+                    slotProps.data.route.hostname }}
-              <div v-else v-tooltip="slotProps.data.route.hostname" class="space-x-1">
+                </div>
-                <Tag v-if="slotProps.data.route.feature_flag.is_public_server" severity="info" value="Info">
+                <div v-else v-tooltip="slotProps.data.route.hostname" class="space-x-1">
-                  {{ t('status.server') }}
+                  <Tag v-if="slotProps.data.route.feature_flag.is_public_server" severity="info" value="Info">
-                </Tag>
+                    {{ t('status.server') }}
-                <Tag v-if="slotProps.data.route.feature_flag.avoid_relay_data" severity="warn" value="Warn">
+                  </Tag>
-                  {{ t('status.relay') }}
+                  <Tag v-if="slotProps.data.route.feature_flag.avoid_relay_data" severity="warn" value="Warn">
-                </Tag>
+                    {{ t('status.relay') }}
-              </div>
+                  </Tag>
-            </template>
+                </div>
-          </Column>
+              </template>
-          <Column :field="routeCost" :header="t('route_cost')" />
+            </Column>
-          <Column :field="latencyMs" :header="t('latency')" />
+            <Column :field="routeCost" :header="t('route_cost')" />
-          <Column :field="txBytes" :header="t('upload_bytes')" />
+            <Column :field="latencyMs" :header="t('latency')" />
-          <Column :field="rxBytes" :header="t('download_bytes')" />
+            <Column :field="txBytes" :header="t('upload_bytes')" />
-          <Column :field="lossRate" :header="t('loss_rate')" />
+            <Column :field="rxBytes" :header="t('download_bytes')" />
-          <Column :header="t('status.version')">
+            <Column :field="lossRate" :header="t('loss_rate')" />
-            <template #body="slotProps">
+            <Column :header="t('status.version')">
-              <span>{{ version(slotProps.data) }}</span>
+              <template #body="slotProps">
-            </template>
+                <span>{{ version(slotProps.data) }}</span>
-          </Column>
+              </template>
-        </DataTable>
+            </Column>
-      </Panel>
+          </DataTable>
+        </template>
+      </Card>
     </template>
   </div>
 </template>

easytier-web/frontend-lib/src/locales/cn.yaml

@@ -109,6 +109,13 @@ proxy_forward_by_system_help: 通过系统内核转发子网代理数据包，
 disable_encryption: 禁用加密
 disable_encryption_help: 禁用对等节点通信的加密，默认为false，必须与对等节点相同
 
+disable_udp_hole_punching: 禁用UDP打洞
+disable_udp_hole_punching_help: 禁用UDP打洞功能
+
+enable_magic_dns: 启用魔法DNS
+enable_magic_dns_help: |
+  启用魔法DNS，允许通过EasyTier的DNS服务器访问其他节点的虚拟IPv4地址， 如 node1.et.net。
+
 relay_network_whitelist: 网络白名单
 relay_network_whitelist_help: |
   仅转发白名单网络的流量，支持通配符字符串。多个网络名称间可以使用英文空格间隔。
@@ -125,6 +132,16 @@ socks5_help: |
 exit_nodes: 出口节点列表
 exit_nodes_help: 转发所有流量的出口节点，虚拟IPv4地址，优先级由列表顺序决定
 
+mtu: MTU
+mtu_help: |
+  TUN设备的MTU，默认为非加密时为1380，加密时为1360。范围：400-1380
+mtu_placeholder: 留空为默认值1380
+
+mapped_listeners: 监听映射
+mapped_listeners_help: |
+  手动指定监听器的公网地址，其他节点可以使用该地址连接到本节点。
+  例如：tcp://123.123.123.123:11223，可以指定多个。
+
 status:
   version: 内核版本
   local: 本机
@@ -169,4 +186,4 @@ event:
   VpnPortalClientDisconnected: VPN门户客户端已断开连接
   DhcpIpv4Changed: DHCP IPv4地址更改
   DhcpIpv4Conflicted: DHCP IPv4地址冲突
-
+  PortForwardAdded: 端口转发添加

easytier-web/frontend-lib/src/locales/en.yaml

@@ -108,6 +108,13 @@ proxy_forward_by_system_help: Forward packet to proxy networks via system kernel
 disable_encryption: Disable Encryption
 disable_encryption_help: Disable encryption for peers communication, default is false, must be same with peers
 
+disable_udp_hole_punching: Disable UDP Hole Punching
+disable_udp_hole_punching_help: Disable udp hole punching
+
+enable_magic_dns: Enable Magic DNS
+enable_magic_dns_help: |
+  Enable magic dns, all nodes in the network can access each other by domain name, e.g.: node1.et.net.
+
 relay_network_whitelist: Network Whitelist
 relay_network_whitelist_help: |
   Only forward traffic from the whitelist networks, supporting wildcard strings, multiple network names can be separated by spaces.
@@ -125,6 +132,16 @@ socks5_help: |
 exit_nodes: Exit Nodes
 exit_nodes_help: Exit nodes to forward all traffic to, a virtual ipv4 address, priority is determined by the order of the list
 
+mtu: MTU
+mtu_help: |
+  MTU of the TUN device, default is 1380 for non-encryption, 1360 for encryption. Range:400-1380
+mtu_placeholder: Leave blank as default value 1380
+
+mapped_listeners: Map Listeners
+mapped_listeners_help: |
+  Manually specify the public address of the listener, other nodes can use this address to connect to this node.
+  e.g.: tcp://123.123.123.123:11223, can specify multiple.
+
 status:
   version: Version
   local: Local
@@ -169,3 +186,4 @@ event:
   VpnPortalClientDisconnected: VpnPortalClientDisconnected
   DhcpIpv4Changed: DhcpIpv4Changed
   DhcpIpv4Conflicted: DhcpIpv4Conflicted
+  PortForwardAdded: PortForwardAdded

easytier-web/frontend-lib/src/types/network.ts

@@ -47,6 +47,7 @@ export interface NetworkConfig {
   multi_thread?: boolean
   proxy_forward_by_system?: boolean
   disable_encryption?: boolean
+  disable_udp_hole_punching?: boolean
 
   enable_relay_network_whitelist?: boolean
   relay_network_whitelist: string[]
@@ -58,6 +59,11 @@ export interface NetworkConfig {
 
   enable_socks5?: boolean
   socks5_port: number
+
+  mtu: number | null
+  mapped_listeners: string[]
+
+  enable_magic_dns?: boolean
 }
 
 export function DEFAULT_NETWORK_CONFIG(): NetworkConfig {
@@ -104,6 +110,7 @@ export function DEFAULT_NETWORK_CONFIG(): NetworkConfig {
     multi_thread: true,
     proxy_forward_by_system: false,
     disable_encryption: false,
+    disable_udp_hole_punching: false,
     enable_relay_network_whitelist: false,
     relay_network_whitelist: [],
     enable_manual_routes: false,
@@ -111,6 +118,9 @@ export function DEFAULT_NETWORK_CONFIG(): NetworkConfig {
     exit_nodes: [],
     enable_socks5: false,
     socks5_port: 1080,
+    mtu: null,
+    mapped_listeners: [],
+    enable_magic_dns: false,
   }
 }
 
@@ -257,4 +267,6 @@ export enum EventType {
 
   DhcpIpv4Changed = 'DhcpIpv4Changed', // ipv4 | null, ipv4 | null
   DhcpIpv4Conflicted = 'DhcpIpv4Conflicted', // ipv4 | null
+
+  PortForwardAdded = 'PortForwardAdded', // PortForwardConfigPb
 }

easytier-web/frontend/package.json

@@ -9,11 +9,11 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "@primevue/themes": "^4.2.1",
+    "@primevue/themes": "4.3.3",
     "aura": "link:@primevue/themes/aura",
     "axios": "^1.7.7",
     "easytier-frontend-lib": "workspace:*",
-    "primevue": "^4.2.1",
+    "primevue": "4.3.3",
     "tailwindcss-primeui": "^0.3.4",
     "vue": "^3.5.12",
     "vue-router": "4"

easytier-web/frontend/src/components/ConfigGenerator.vue

@@ -1,16 +1,32 @@
 <script setup lang="ts">
 import { NetworkTypes } from 'easytier-frontend-lib';
-import { ref } from 'vue';
+import {computed, ref} from 'vue';
 import { Api } from 'easytier-frontend-lib'
+import {AutoComplete, Divider} from "primevue";
+import {getInitialApiHost, cleanAndLoadApiHosts, saveApiHost} from "../modules/api-host"
 
-const defaultApiHost = 'https://config-server.easytier.cn'
+const api = computed<Api.ApiClient>(() => new Api.ApiClient(apiHost.value));
-const api = new Api.ApiClient(defaultApiHost);
+
+
+const apiHost = ref<string>(getInitialApiHost())
+const apiHostSuggestions = ref<Array<string>>([])
+const apiHostSearch = async (event: { query: string }) => {
+  apiHostSuggestions.value = [];
+  let hosts = cleanAndLoadApiHosts();
+  if (event.query) {
+    apiHostSuggestions.value.push(event.query);
+  }
+  hosts.forEach((host) => {
+    apiHostSuggestions.value.push(host.value);
+  });
+}
 
 const newNetworkConfig = ref<NetworkTypes.NetworkConfig>(NetworkTypes.DEFAULT_NETWORK_CONFIG());
 const toml_config = ref<string>("Press 'Run Network' to generate TOML configuration");
 
 const generateConfig = (config: NetworkTypes.NetworkConfig) => {
-    api.generate_config({
+  saveApiHost(apiHost.value)
+  api.value?.generate_config({
         config: config
     }).then((res) => {
         if (res.error) {
@@ -29,6 +45,14 @@ const generateConfig = (config: NetworkTypes.NetworkConfig) => {
     <div class="flex items-center justify-center m-5">
         <div class="sm:block md:flex w-full">
             <div class="sm:w-full md:w-1/2 p-4">
+                <div class="flex flex-col">
+                  <div class="w-11/12 self-center ">
+                    <label>ApiHost</label>
+                    <AutoComplete id="api-host" v-model="apiHost" dropdown :suggestions="apiHostSuggestions"
+                                  @complete="apiHostSearch" class="w-full" />
+                    <Divider />
+                  </div>
+                </div>
                 <Config :cur-network="newNetworkConfig" @run-network="generateConfig" />
             </div>
             <div class="sm:w-full md:w-1/2 p-4 bg-gray-100">

easytier-web/frontend/src/components/DeviceManagement.vue

@@ -160,6 +160,7 @@ const createNewNetwork = async () => {
 
 const newNetwork = () => {
     newNetworkConfig.value = NetworkTypes.DEFAULT_NETWORK_CONFIG();
+    newNetworkConfig.value.hostname = deviceInfo.value?.hostname;
     isEditing.value = false;
     showCreateNetworkDialog.value = true;
 }

easytier-web/frontend/src/components/Login.vue

@@ -4,6 +4,7 @@ import { Card, InputText, Password, Button, AutoComplete } from 'primevue';
 import { useRouter } from 'vue-router';
 import { useToast } from 'primevue/usetoast';
 import { Api } from 'easytier-frontend-lib';
+import {getInitialApiHost, cleanAndLoadApiHosts, saveApiHost} from "../modules/api-host"
 
 defineProps<{
     isRegistering: boolean;
@@ -20,56 +21,6 @@ const registerPassword = ref('');
 const captcha = ref('');
 const captchaSrc = computed(() => api.value.captcha_url());
 
-interface ApiHost {
-    value: string;
-    usedAt: number;
-}
-
-const isValidHttpUrl = (s: string): boolean => {
-    let url;
-
-    try {
-        url = new URL(s);
-    } catch (_) {
-        return false;
-    }
-
-    return url.protocol === "http:" || url.protocol === "https:";
-}
-
-const cleanAndLoadApiHosts = (): Array<ApiHost> => {
-    const maxHosts = 10;
-    const apiHosts = localStorage.getItem('apiHosts');
-    if (apiHosts) {
-        const hosts: Array<ApiHost> = JSON.parse(apiHosts);
-        // sort by usedAt
-        hosts.sort((a, b) => b.usedAt - a.usedAt);
-
-        // only keep the first 10
-        if (hosts.length > maxHosts) {
-            hosts.splice(maxHosts);
-        }
-
-        localStorage.setItem('apiHosts', JSON.stringify(hosts));
-        return hosts;
-    } else {
-        return [];
-    }
-};
-
-const saveApiHost = (host: string) => {
-    console.log('Save API Host:', host);
-    if (!isValidHttpUrl(host)) {
-        console.error('Invalid API Host:', host);
-        return;
-    }
-
-    let hosts = cleanAndLoadApiHosts();
-    const newHost: ApiHost = { value: host, usedAt: Date.now() };
-    hosts = hosts.filter((h) => h.value !== host);
-    hosts.push(newHost);
-    localStorage.setItem('apiHosts', JSON.stringify(hosts));
-};
 
 const onSubmit = async () => {
     // Add your login logic here
@@ -100,16 +51,6 @@ const onRegister = async () => {
     }
 };
 
-const getInitialApiHost = (): string => {
-    const hosts = cleanAndLoadApiHosts();
-    if (hosts.length > 0) {
-        return hosts[0].value;
-    } else {
-        return defaultApiHost;
-    }
-};
-
-const defaultApiHost = 'https://config-server.easytier.cn'
 const apiHost = ref<string>(getInitialApiHost())
 const apiHostSuggestions = ref<Array<string>>([])
 const apiHostSearch = async (event: { query: string }) => {
@@ -124,10 +65,7 @@ const apiHostSearch = async (event: { query: string }) => {
 }
 
 onMounted(() => {
-    let hosts = cleanAndLoadApiHosts();
+
-    if (hosts.length === 0) {
-        saveApiHost(defaultApiHost);
-    }
 });
 
 </script>

easytier-web/frontend/src/modules/api-host.ts

@@ -0,0 +1,64 @@
+const defaultApiHost = 'https://config-server.easytier.cn';
+
+interface ApiHost {
+    value: string;
+    usedAt: number;
+}
+
+const isValidHttpUrl = (s: string): boolean => {
+    let url;
+
+    try {
+        url = new URL(s);
+    } catch (_) {
+        return false;
+    }
+
+    return url.protocol === "http:" || url.protocol === "https:";
+};
+
+const cleanAndLoadApiHosts = (): Array<ApiHost> => {
+    const maxHosts = 10;
+    const apiHosts = localStorage.getItem('apiHosts');
+    if (apiHosts) {
+        const hosts: Array<ApiHost> = JSON.parse(apiHosts);
+        // sort by usedAt
+        hosts.sort((a, b) => b.usedAt - a.usedAt);
+
+        // only keep the first 10
+        if (hosts.length > maxHosts) {
+            hosts.splice(maxHosts);
+        }
+
+        localStorage.setItem('apiHosts', JSON.stringify(hosts));
+        return hosts;
+    } else {
+        return [];
+    }
+};
+
+const saveApiHost = (host: string) => {
+    console.log('Save API Host:', host);
+    if (!isValidHttpUrl(host)) {
+        console.error('Invalid API Host:', host);
+        return;
+    }
+
+    let hosts = cleanAndLoadApiHosts();
+    const newHost: ApiHost = {value: host, usedAt: Date.now()};
+    hosts = hosts.filter((h) => h.value !== host);
+    hosts.push(newHost);
+    localStorage.setItem('apiHosts', JSON.stringify(hosts));
+};
+
+const getInitialApiHost = (): string => {
+    const hosts = cleanAndLoadApiHosts();
+    if (hosts.length > 0) {
+        return hosts[0].value;
+    } else {
+        saveApiHost(defaultApiHost)
+        return defaultApiHost;
+    }
+};
+
+export {getInitialApiHost, cleanAndLoadApiHosts, saveApiHost}

easytier-web/frontend/vite.config.ts

@@ -1,9 +1,11 @@
 import { defineConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
-import { viteSingleFile } from "vite-plugin-singlefile"
+// import { viteSingleFile } from "vite-plugin-singlefile"
+
+const WEB_BASE_URL = process.env.WEB_BASE_URL || '';
 
 // https://vite.dev/config/
 export default defineConfig({
-  base: '',
+  base: WEB_BASE_URL,
-  plugins: [vue(), viteSingleFile()],
+  plugins: [vue(),/* viteSingleFile() */],
 })

easytier-web/locales/app.yml

@@ -22,3 +22,9 @@ cli:
   api_server_port:
     en: "The port to listen for the restful server, acting as ApiHost and used by the web frontend"
     zh-CN: "restful 服务器的监听端口，作为 ApiHost 并被 web 前端使用"
+  web_server_port:
+    en: "The port to listen for the web dashboard server, default is same as the api server port"
+    zh-CN: "web dashboard 服务器的监听端口, 默认为与 api 服务器端口相同"
+  no_web:
+    en: "Do not run the web dashboard server"
+    zh-CN: "不运行 web dashboard 服务器"

easytier-web/src/client_manager/mod.rs

@@ -128,7 +128,7 @@ mod tests {
         mgr.serve(Box::new(listener)).await.unwrap();
 
         let connector = UdpTunnelConnector::new("udp://127.0.0.1:54333".parse().unwrap());
-        let _c = WebClient::new(connector, "test");
+        let _c = WebClient::new(connector, "test", "test");
 
         wait_for_condition(
             || async { mgr.client_sessions.len() == 1 },

easytier-web/src/main.rs

@@ -5,7 +5,7 @@ extern crate rust_i18n;
 
 use std::sync::Arc;
 
-use clap::{command, Parser};
+use clap::Parser;
 use easytier::{
     common::{
         config::{ConfigLoader, ConsoleLoggerConfig, FileLoggerConfig, TomlConfigLoader},
@@ -21,6 +21,9 @@ mod db;
 mod migrator;
 mod restful;
 
+#[cfg(feature = "embed")]
+mod web;
+
 rust_i18n::i18n!("locales", fallback = "en");
 
 #[derive(Parser, Debug)]
@@ -70,11 +73,25 @@ struct Cli {
         help = t!("cli.api_server_port").to_string(),
     )]
     api_server_port: u16,
+
+    #[cfg(feature = "embed")]
+    #[arg(
+        long,
+        short='l',
+        help = t!("cli.web_server_port").to_string(),
+    )]
+    web_server_port: Option<u16>,
+
+    #[cfg(feature = "embed")]
+    #[arg(
+        long,
+        help = t!("cli.no_web").to_string(),
+        default_value = "false"
+    )]
+    no_web: bool,
 }
 
-pub fn get_listener_by_url(
+pub fn get_listener_by_url(l: &url::Url) -> Result<Box<dyn TunnelListener>, Error> {
-    l: &url::Url,
-) -> Result<Box<dyn TunnelListener>, Error> {
     Ok(match l.scheme() {
         "tcp" => Box::new(TcpTunnelListener::new(l.clone())),
         "udp" => Box::new(UdpTunnelListener::new(l.clone())),
@@ -106,20 +123,49 @@ async fn main() {
     let db = db::Db::new(cli.db).await.unwrap();
 
     let listener = get_listener_by_url(
-        &format!("{}://0.0.0.0:{}", cli.config_server_protocol, cli.config_server_port).parse().unwrap(),
+        &format!(
+            "{}://0.0.0.0:{}",
+            cli.config_server_protocol, cli.config_server_port
+        )
+        .parse()
+        .unwrap(),
     )
     .unwrap();
     let mut mgr = client_manager::ClientManager::new(db.clone());
     mgr.serve(listener).await.unwrap();
     let mgr = Arc::new(mgr);
 
+    #[cfg(feature = "embed")]
+    let restful_also_serve_web = !cli.no_web
+        && (cli.web_server_port.is_none() || cli.web_server_port == Some(cli.api_server_port));
+
+    #[cfg(not(feature = "embed"))]
+    let restful_also_serve_web = false;
+
     let mut restful_server = restful::RestfulServer::new(
         format!("0.0.0.0:{}", cli.api_server_port).parse().unwrap(),
         mgr.clone(),
         db,
+        restful_also_serve_web,
     )
     .await
     .unwrap();
+
     restful_server.start().await.unwrap();
+
+    #[cfg(feature = "embed")]
+    let mut web_server = web::WebServer::new(
+        format!("0.0.0.0:{}", cli.web_server_port.unwrap_or(0))
+            .parse()
+            .unwrap(),
+    )
+    .await
+    .unwrap();
+
+    #[cfg(feature = "embed")]
+    if !cli.no_web && !restful_also_serve_web {
+        web_server.start().await.unwrap();
+    }
+
     tokio::signal::ctrl_c().await.unwrap();
 }

easytier-web/src/restful/mod.rs

@@ -29,6 +29,12 @@ use crate::client_manager::storage::StorageToken;
 use crate::client_manager::ClientManager;
 use crate::db::Db;
 
+/// Embed assets for web dashboard, build frontend first
+#[cfg(feature = "embed")]
+#[derive(rust_embed::RustEmbed, Clone)]
+#[folder = "frontend/dist/"]
+struct Assets;
+
 pub struct RestfulServer {
     bind_addr: SocketAddr,
     client_mgr: Arc<ClientManager>,
@@ -38,6 +44,8 @@ pub struct RestfulServer {
     delete_task: Option<ScopedTask<tower_sessions::session_store::Result<()>>>,
 
     network_api: NetworkApi,
+
+    enable_web_embed: bool,
 }
 
 type AppStateInner = Arc<ClientManager>;
@@ -87,6 +95,7 @@ impl RestfulServer {
         bind_addr: SocketAddr,
         client_mgr: Arc<ClientManager>,
         db: Db,
+        enable_web_embed: bool,
     ) -> anyhow::Result<Self> {
         assert!(client_mgr.is_running());
 
@@ -99,6 +108,7 @@ impl RestfulServer {
             serve_task: None,
             delete_task: None,
             network_api,
+            enable_web_embed,
         })
     }
 
@@ -219,6 +229,15 @@ impl RestfulServer {
             .layer(tower_http::cors::CorsLayer::very_permissive())
             .layer(compression_layer);
 
+        #[cfg(feature = "embed")]
+        let app = if self.enable_web_embed {
+            use axum_embed::ServeEmbed;
+            let service = ServeEmbed::<Assets>::new();
+            app.fallback_service(service)
+        } else {
+            app
+        };
+
         let task = tokio::spawn(async move {
             axum::serve(listener, app).await.unwrap();
         });

easytier-web/src/web/mod.rs

@@ -0,0 +1,39 @@
+use axum::Router;
+use easytier::common::scoped_task::ScopedTask;
+use rust_embed::RustEmbed;
+use std::net::SocketAddr;
+use axum_embed::ServeEmbed;
+use tokio::net::TcpListener;
+
+/// Embed assets for web dashboard, build frontend first
+#[derive(RustEmbed, Clone)]
+#[folder = "frontend/dist/"]
+struct Assets;
+
+pub struct WebServer {
+    bind_addr: SocketAddr,
+    serve_task: Option<ScopedTask<()>>,
+}
+
+impl WebServer {
+    pub async fn new(bind_addr: SocketAddr) -> anyhow::Result<Self> {
+        Ok(WebServer {
+            bind_addr,
+            serve_task: None,
+        })
+    }
+
+    pub async fn start(&mut self) -> Result<(), anyhow::Error> {
+        let listener = TcpListener::bind(self.bind_addr).await?;
+        let service = ServeEmbed::<Assets>::new();
+        let app = Router::new().fallback_service(service);
+
+        let task = tokio::spawn(async move {
+            axum::serve(listener, app).await.unwrap();
+        });
+
+        self.serve_task = Some(task.into());
+
+        Ok(())
+    }
+}

easytier/Cargo.toml

@@ -3,7 +3,7 @@ name = "easytier"
 description = "A full meshed p2p VPN, connecting all your devices in one network with one command."
 homepage = "https://github.com/EasyTier/EasyTier"
 repository = "https://github.com/EasyTier/EasyTier"
-version = "2.2.3"
+version = "2.3.0"
 edition = "2021"
 authors = ["kkrainbow"]
 keywords = ["vpn", "p2p", "network", "easytier"]
@@ -129,6 +129,7 @@ clap = { version = "4.5.30", features = [
     "unicode",
     "derive",
     "wrap_help",
+    "env",
 ] }
 
 async-recursion = "1.0.5"
@@ -136,7 +137,7 @@ async-recursion = "1.0.5"
 network-interface = "2.0"
 
 # for ospf route
-petgraph = "0.7.1"
+petgraph = "0.8.1"
 
 # for wireguard
 boringtun = { package = "boringtun-easytier", version = "0.6.1", optional = true }
@@ -152,7 +153,7 @@ humansize = "2.1.3"
 
 base64 = "0.22"
 
-mimalloc-rust = { version = "0.2.1", optional = true }
+mimalloc-rust = { git = "https://github.com/EasyTier/mimalloc-rust", optional = true }
 
 # mips
 atomic-shim = "0.2.0"
@@ -162,8 +163,14 @@ smoltcp = { version = "0.12.0", optional = true, default-features = false, featu
     "medium-ip",
     "proto-ipv4",
     "proto-ipv6",
+    "proto-ipv4-fragmentation",
+    "fragmentation-buffer-size-8192",
+    "assembler-max-segment-count-16",
+    "reassembly-buffer-size-8192",
+    "reassembly-buffer-count-16",
     "socket-tcp",
-    "socket-tcp-cubic",
+    "socket-udp",
+    # "socket-tcp-cubic",
     "async",
 ] }
 parking_lot = { version = "0.12.0", optional = true }
@@ -176,9 +183,12 @@ sys-locale = "0.3"
 ringbuf = "0.4.5"
 async-ringbuf = "0.3.1"
 
-service-manager = {git = "https://github.com/chipsenkbeil/service-manager-rs.git", branch = "main"}
+service-manager = { git = "https://github.com/chipsenkbeil/service-manager-rs.git", branch = "main" }
 
-async-compression = { version = "0.4.17", default-features = false, features = ["zstd", "tokio"] }
+async-compression = { version = "0.4.17", default-features = false, features = [
+    "zstd",
+    "tokio",
+] }
 
 kcp-sys = { git = "https://github.com/EasyTier/kcp-sys" }
 
@@ -187,13 +197,32 @@ prost-reflect = { version = "0.14.5", default-features = false, features = [
 ] }
 
 # for http connector
-http_req = { git = "https://github.com/EasyTier/http_req.git", default-features = false, features = ["rust-tls"] }
+http_req = { git = "https://github.com/EasyTier/http_req.git", default-features = false, features = [
+    "rust-tls",
+] }
 
 # for dns connector
-hickory-resolver = "0.24.4"
+hickory-resolver = "0.25.2"
+hickory-proto = "0.25.2"
+
+# for magic dns
+hickory-client = "0.25.2"
+hickory-server = { version = "0.25.2", features = ["resolver"] }
+derive_builder = "0.20.2"
+humantime-serde = "1.1.1"
+multimap = "0.10.0"
+version-compare = "0.2.0"
 
 bounded_join_set = "0.3.0"
 
+jemallocator = { version = "0.5.4", optional = true }
+jemalloc-ctl = { version = "0.5.4", optional = true }
+jemalloc-sys = { version = "0.5.4", features = [
+    "stats",
+    "profiling",
+    "unprefixed_malloc_on_supported_platforms",
+], optional = true }
+
 [target.'cfg(any(target_os = "linux", target_os = "macos", target_os = "windows", target_os = "freebsd"))'.dependencies]
 machine-uid = "0.5.3"
 
@@ -202,6 +231,10 @@ netlink-sys = "0.8.7"
 netlink-packet-route = "0.21.0"
 netlink-packet-core = { version = "0.7.0" }
 netlink-packet-utils = "0.5.2"
+# for magic dns
+resolv-conf = "0.7.3"
+dbus = { version = "0.9.7", features = ["vendored"] }
+which = "7.0.3"
 
 [target.'cfg(windows)'.dependencies]
 windows = { version = "0.52.0", features = [
@@ -212,7 +245,7 @@ windows = { version = "0.52.0", features = [
     "Win32_System_Ole",
     "Win32_Networking_WinSock",
     "Win32_System_IO",
-]}
+] }
 encoding = "0.2"
 winreg = "0.52"
 windows-service = "0.7.0"
@@ -222,18 +255,28 @@ tonic-build = "0.12"
 globwalk = "0.8.1"
 regex = "1"
 prost-build = "0.13.2"
-rpc_build = { package = "easytier-rpc-build", version = "0.1.0", features = ["internal-namespace"] }
+rpc_build = { package = "easytier-rpc-build", version = "0.1.0", features = [
+    "internal-namespace",
+] }
 prost-reflect-build = { version = "0.14.0" }
 
 [target.'cfg(windows)'.build-dependencies]
 reqwest = { version = "0.12.12", features = ["blocking"] }
 zip = "0.6.6"
 
+# enable thunk-rs when compiling for x86_64 or i686 windows
+[target.x86_64-pc-windows-msvc.build-dependencies]
+thunk-rs = { git = "https://github.com/easytier/thunk.git", default-features = false, features = ["win7"] }
+
+[target.i686-pc-windows-msvc.build-dependencies]
+thunk-rs = { git = "https://github.com/easytier/thunk.git", default-features = false, features = ["win7"] }
+
 
 [dev-dependencies]
 serial_test = "3.0.0"
 rstest = "0.18.2"
 futures-util = "0.3.30"
+maplit = "1.0.2"
 
 [target.'cfg(target_os = "linux")'.dev-dependencies]
 defguard_wireguard_rs = "0.4.2"
@@ -267,3 +310,4 @@ websocket = [
 ]
 smoltcp = ["dep:smoltcp", "dep:parking_lot"]
 socks5 = ["dep:smoltcp"]
+jemalloc = ["dep:jemallocator", "dep:jemalloc-ctl", "dep:jemalloc-sys"]

easytier/build.rs

@@ -71,6 +71,8 @@ impl WindowsBuild {
 
         if target.contains("x86_64") {
             println!("cargo:rustc-link-search=native=easytier/third_party/");
+        } else if target.contains("i686") {
+            println!("cargo:rustc-link-search=native=easytier/third_party/i686/");
         } else if target.contains("aarch64") {
             println!("cargo:rustc-link-search=native=easytier/third_party/arm64/");
         }
@@ -125,6 +127,15 @@ fn check_locale() {
 }
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // enable thunk-rs when target os is windows and arch is x86_64 or i686
+    #[cfg(target_os = "windows")]
+    if !std::env::var("TARGET")
+        .unwrap_or_default()
+        .contains("aarch64")
+    {
+        thunk::thunk();
+    }
+
     #[cfg(target_os = "windows")]
     WindowsBuild::check_for_win();
 
@@ -135,6 +146,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         "src/proto/tests.proto",
         "src/proto/cli.proto",
         "src/proto/web.proto",
+        "src/proto/magic_dns.proto",
     ];
 
     for proto_file in proto_files.iter().chain(proto_files_reflect.iter()) {

easytier/locales/app.yml

@@ -11,8 +11,8 @@ core_clap:
       完整URL：--config-server udp://127.0.0.1:22020/admin
       仅用户名：--config-server admin，将使用官方的服务器
   config_file:
-    en: "path to the config file, NOTE: if this is set, all other options will be ignored"
+    en: "path to the config file, NOTE: the options set by cmdline args will override options in config file"
-    zh-CN: "配置文件路径，注意：如果设置了这个选项，其他所有选项都将被忽略"
+    zh-CN: "配置文件路径，注意：命令行中的配置的选项会覆盖配置文件中的选项"
   network_name:
     en: "network name to identify this vpn network"
     zh-CN: "用于标识此VPN网络的网络名称"
@@ -149,6 +149,12 @@ core_clap:
   disable_kcp_input:
     en: "do not allow other nodes to use kcp to proxy tcp streams to this node. when a node with kcp proxy enabled accesses this node, the original tcp connection is preserved."
     zh-CN: "不允许其他节点使用 KCP 代理 TCP 流到此节点。开启 KCP 代理的节点访问此节点时，依然使用原始 TCP 连接。"
+  port_forward:
+    en: "forward local port to remote port in virtual network. e.g.: udp://0.0.0.0:12345/10.126.126.1:23456, means forward local udp port 12345 to 10.126.126.1:23456 in the virtual network. can specify multiple."
+    zh-CN: "将本地端口转发到虚拟网络中的远程端口。例如：udp://0.0.0.0:12345/10.126.126.1:23456，表示将本地UDP端口12345转发到虚拟网络中的10.126.126.1:23456。可以指定多个。"
+  accept_dns:
+    en: "if true, enable magic dns. with magic dns, you can access other nodes with a domain name, e.g.: <hostname>.et.net. magic dns will modify your system dns settings, enable it carefully."
+    zh-CN: "如果为true，则启用魔法DNS。使用魔法DNS，您可以使用域名访问其他节点，例如：<hostname>.et.net。魔法DNS将修改您的系统DNS设置，请谨慎启用。"
 
 core_app:
   panic_backtrace_save:

easytier/src/common/config.rs

@@ -7,7 +7,10 @@ use std::{
 use anyhow::Context;
 use serde::{Deserialize, Serialize};
 
-use crate::{proto::common::CompressionAlgoPb, tunnel::generate_digest_from_str};
+use crate::{
+    proto::common::{CompressionAlgoPb, PortForwardConfigPb, SocketType},
+    tunnel::generate_digest_from_str,
+};
 
 pub type Flags = crate::proto::common::FlagsInConfig;
 
@@ -33,6 +36,7 @@ pub fn gen_default_flags() -> Flags {
         enable_kcp_proxy: false,
         disable_kcp_input: false,
         disable_relay_kcp: true,
+        accept_dns: false,
     }
 }
 
@@ -73,7 +77,7 @@ pub trait ConfigLoader: Send + Sync {
     fn get_peers(&self) -> Vec<PeerConfig>;
     fn set_peers(&self, peers: Vec<PeerConfig>);
 
-    fn get_listeners(&self) -> Vec<url::Url>;
+    fn get_listeners(&self) -> Option<Vec<url::Url>>;
     fn set_listeners(&self, listeners: Vec<url::Url>);
 
     fn get_mapped_listeners(&self) -> Vec<url::Url>;
@@ -97,6 +101,9 @@ pub trait ConfigLoader: Send + Sync {
     fn get_socks5_portal(&self) -> Option<url::Url>;
     fn set_socks5_portal(&self, addr: Option<url::Url>);
 
+    fn get_port_forwards(&self) -> Vec<PortForwardConfig>;
+    fn set_port_forwards(&self, forwards: Vec<PortForwardConfig>);
+
     fn dump(&self) -> String;
 }
 
@@ -180,6 +187,41 @@ pub struct VpnPortalConfig {
     pub wireguard_listen: SocketAddr,
 }
 
+#[derive(Debug, Clone, Deserialize, Serialize, PartialEq)]
+pub struct PortForwardConfig {
+    pub bind_addr: SocketAddr,
+    pub dst_addr: SocketAddr,
+    pub proto: String,
+}
+
+impl From<PortForwardConfigPb> for PortForwardConfig {
+    fn from(config: PortForwardConfigPb) -> Self {
+        PortForwardConfig {
+            bind_addr: config.bind_addr.unwrap_or_default().into(),
+            dst_addr: config.dst_addr.unwrap_or_default().into(),
+            proto: match SocketType::try_from(config.socket_type) {
+                Ok(SocketType::Tcp) => "tcp".to_string(),
+                Ok(SocketType::Udp) => "udp".to_string(),
+                _ => "tcp".to_string(),
+            },
+        }
+    }
+}
+
+impl Into<PortForwardConfigPb> for PortForwardConfig {
+    fn into(self) -> PortForwardConfigPb {
+        PortForwardConfigPb {
+            bind_addr: Some(self.bind_addr.into()),
+            dst_addr: Some(self.dst_addr.into()),
+            socket_type: match self.proto.to_lowercase().as_str() {
+                "tcp" => SocketType::Tcp as i32,
+                "udp" => SocketType::Udp as i32,
+                _ => SocketType::Tcp as i32,
+            },
+        }
+    }
+}
+
 #[derive(Debug, Clone, Deserialize, Serialize, PartialEq)]
 struct Config {
     netns: Option<String>,
@@ -207,6 +249,8 @@ struct Config {
 
     socks5_proxy: Option<url::Url>,
 
+    port_forward: Option<Vec<PortForwardConfig>>,
+
     flags: Option<serde_json::Map<String, serde_json::Value>>,
 
     #[serde(skip)]
@@ -231,20 +275,23 @@ impl TomlConfigLoader {
 
         config.flags_struct = Some(Self::gen_flags(config.flags.clone().unwrap_or_default()));
 
-        Ok(TomlConfigLoader {
+        let config = TomlConfigLoader {
             config: Arc::new(Mutex::new(config)),
-        })
+        };
+
+        let old_ns = config.get_network_identity();
+        config.set_network_identity(NetworkIdentity::new(
+            old_ns.network_name,
+            old_ns.network_secret.unwrap_or_default(),
+        ));
+
+        Ok(config)
     }
 
     pub fn new(config_path: &PathBuf) -> Result<Self, anyhow::Error> {
         let config_str = std::fs::read_to_string(config_path)
             .with_context(|| format!("failed to read config file: {:?}", config_path))?;
         let ret = Self::new_from_str(&config_str)?;
-        let old_ns = ret.get_network_identity();
-        ret.set_network_identity(NetworkIdentity::new(
-            old_ns.network_name,
-            old_ns.network_secret.unwrap_or_default(),
-        ));
 
         Ok(ret)
     }
@@ -467,13 +514,8 @@ impl ConfigLoader for TomlConfigLoader {
         self.config.lock().unwrap().peer = Some(peers);
     }
 
-    fn get_listeners(&self) -> Vec<url::Url> {
+    fn get_listeners(&self) -> Option<Vec<url::Url>> {
-        self.config
+        self.config.lock().unwrap().listeners.clone()
-            .lock()
-            .unwrap()
-            .listeners
-            .clone()
-            .unwrap_or_default()
     }
 
     fn set_listeners(&self, listeners: Vec<url::Url>) {
@@ -534,6 +576,35 @@ impl ConfigLoader for TomlConfigLoader {
         self.config.lock().unwrap().exit_nodes = Some(nodes);
     }
 
+    fn get_routes(&self) -> Option<Vec<cidr::Ipv4Cidr>> {
+        self.config.lock().unwrap().routes.clone()
+    }
+
+    fn set_routes(&self, routes: Option<Vec<cidr::Ipv4Cidr>>) {
+        self.config.lock().unwrap().routes = routes;
+    }
+
+    fn get_socks5_portal(&self) -> Option<url::Url> {
+        self.config.lock().unwrap().socks5_proxy.clone()
+    }
+
+    fn set_socks5_portal(&self, addr: Option<url::Url>) {
+        self.config.lock().unwrap().socks5_proxy = addr;
+    }
+
+    fn get_port_forwards(&self) -> Vec<PortForwardConfig> {
+        self.config
+            .lock()
+            .unwrap()
+            .port_forward
+            .clone()
+            .unwrap_or_default()
+    }
+
+    fn set_port_forwards(&self, forwards: Vec<PortForwardConfig>) {
+        self.config.lock().unwrap().port_forward = Some(forwards);
+    }
+
     fn dump(&self) -> String {
         let default_flags_json = serde_json::to_string(&gen_default_flags()).unwrap();
         let default_flags_hashmap =
@@ -558,22 +629,6 @@ impl ConfigLoader for TomlConfigLoader {
         config.flags = Some(flag_map);
         toml::to_string_pretty(&config).unwrap()
     }
-
-    fn get_routes(&self) -> Option<Vec<cidr::Ipv4Cidr>> {
-        self.config.lock().unwrap().routes.clone()
-    }
-
-    fn set_routes(&self, routes: Option<Vec<cidr::Ipv4Cidr>>) {
-        self.config.lock().unwrap().routes = routes;
-    }
-
-    fn get_socks5_portal(&self) -> Option<url::Url> {
-        self.config.lock().unwrap().socks5_proxy.clone()
-    }
-
-    fn set_socks5_portal(&self, addr: Option<url::Url>) {
-        self.config.lock().unwrap().socks5_proxy = addr;
-    }
 }
 
 #[cfg(test)]
@@ -614,6 +669,11 @@ dir = "/tmp/easytier"
 
 [console_logger]
 level = "warn"
+
+[[port_forward]]
+bind_addr = "0.0.0.0:11011"
+dst_addr = "192.168.94.33:11011"
+proto = "tcp"
 "#;
         let ret = TomlConfigLoader::new_from_str(config_str);
         if let Err(e) = &ret {
@@ -634,6 +694,14 @@ level = "warn"
                 .collect::<Vec<String>>()
         );
 
+        assert_eq!(
+            vec![PortForwardConfig {
+                bind_addr: "0.0.0.0:11011".parse().unwrap(),
+                dst_addr: "192.168.94.33:11011".parse().unwrap(),
+                proto: "tcp".to_string(),
+            }],
+            ret.get_port_forwards()
+        );
         println!("{}", ret.dump());
     }
 }

easytier/src/common/global_ctx.rs

@@ -5,7 +5,7 @@ use std::{
 };
 
 use crate::proto::cli::PeerConnInfo;
-use crate::proto::common::PeerFeatureFlag;
+use crate::proto::common::{PeerFeatureFlag, PortForwardConfigPb};
 use crossbeam::atomic::AtomicCell;
 
 use super::{
@@ -42,6 +42,8 @@ pub enum GlobalCtxEvent {
 
     DhcpIpv4Changed(Option<cidr::Ipv4Inet>, Option<cidr::Ipv4Inet>), // (old, new)
     DhcpIpv4Conflicted(Option<cidr::Ipv4Inet>),
+
+    PortForwardAdded(PortForwardConfigPb),
 }
 
 pub type EventBus = tokio::sync::broadcast::Sender<GlobalCtxEvent>;
@@ -61,7 +63,7 @@ pub struct GlobalCtx {
 
     ip_collector: Arc<IPCollector>,
 
-    hostname: String,
+    hostname: Mutex<String>,
 
     stun_info_collection: Box<dyn StunInfoCollectorTrait>,
 
@@ -95,7 +97,7 @@ impl GlobalCtx {
         let net_ns = NetNS::new(config_fs.get_netns());
         let hostname = config_fs.get_hostname();
 
-        let (event_bus, _) = tokio::sync::broadcast::channel(1024);
+        let (event_bus, _) = tokio::sync::broadcast::channel(8);
 
         let stun_info_collection = Arc::new(StunInfoCollector::new_with_default_servers());
 
@@ -120,7 +122,7 @@ impl GlobalCtx {
 
             ip_collector: Arc::new(IPCollector::new(net_ns, stun_info_collection.clone())),
 
-            hostname,
+            hostname: Mutex::new(hostname),
 
             stun_info_collection: Box::new(stun_info_collection),
 
@@ -139,10 +141,13 @@ impl GlobalCtx {
     }
 
     pub fn issue_event(&self, event: GlobalCtxEvent) {
-        if self.event_bus.receiver_count() != 0 {
+        if let Err(e) = self.event_bus.send(event.clone()) {
-            self.event_bus.send(event).unwrap();
+            tracing::warn!(
-        } else {
+                "Failed to send event: {:?}, error: {:?}, receiver count: {}",
-            tracing::warn!("No subscriber for event: {:?}", event);
+                event,
+                e,
+                self.event_bus.receiver_count()
+            );
         }
     }
 
@@ -214,7 +219,11 @@ impl GlobalCtx {
     }
 
     pub fn get_hostname(&self) -> String {
-        return self.hostname.clone();
+        return self.hostname.lock().unwrap().clone();
+    }
+
+    pub fn set_hostname(&self, hostname: String) {
+        *self.hostname.lock().unwrap() = hostname;
     }
 
     pub fn get_stun_info_collector(&self) -> impl StunInfoCollectorTrait + '_ {
@@ -295,7 +304,10 @@ impl GlobalCtx {
 
 #[cfg(test)]
 pub mod tests {
-    use crate::common::{config::TomlConfigLoader, new_peer_id};
+    use crate::{
+        common::{config::TomlConfigLoader, new_peer_id, stun::MockStunInfoCollector},
+        proto::common::NatType,
+    };
 
     use super::*;
 
@@ -335,7 +347,12 @@ pub mod tests {
         let config_fs = TomlConfigLoader::default();
         config_fs.set_inst_name(format!("test_{}", config_fs.get_id()));
         config_fs.set_network_identity(network_identy.unwrap_or(NetworkIdentity::default()));
-        std::sync::Arc::new(GlobalCtx::new(config_fs))
+
+        let ctx = Arc::new(GlobalCtx::new(config_fs));
+        ctx.replace_stun_info_collector(Box::new(MockStunInfoCollector {
+            udp_nat_type: NatType::Unknown,
+        }));
+        ctx
     }
 
     pub fn get_mock_global_ctx() -> ArcGlobalCtx {

easytier/src/common/ifcfg/darwin.rs

@@ -12,13 +12,15 @@ impl IfConfiguerTrait for MacIfConfiger {
         name: &str,
         address: Ipv4Addr,
         cidr_prefix: u8,
+        cost: Option<i32>,
     ) -> Result<(), Error> {
         run_shell_cmd(
             format!(
-                "route -n add {} -netmask {} -interface {} -hopcount 7",
+                "route -n add {} -netmask {} -interface {} -hopcount {}",
                 address,
                 cidr_to_subnet_mask(cidr_prefix),
-                name
+                name,
+                cost.unwrap_or(7)
             )
             .as_str(),
         )

easytier/src/common/ifcfg/mod.rs

@@ -21,6 +21,7 @@ pub trait IfConfiguerTrait: Send + Sync {
         _name: &str,
         _address: Ipv4Addr,
         _cidr_prefix: u8,
+        _cost: Option<i32>,
     ) -> Result<(), Error> {
         Ok(())
     }
@@ -125,3 +126,6 @@ pub type IfConfiger = windows::WindowsIfConfiger;
     target_os = "freebsd",
 )))]
 pub type IfConfiger = DummyIfConfiger;
+
+#[cfg(target_os = "windows")]
+pub use windows::RegistryManager;

easytier/src/common/ifcfg/netlink.rs

@@ -350,6 +350,7 @@ impl IfConfiguerTrait for NetlinkIfConfiger {
         name: &str,
         address: Ipv4Addr,
         cidr_prefix: u8,
+        cost: Option<i32>,
     ) -> Result<(), Error> {
         let mut message = RouteMessage::default();
 
@@ -359,7 +360,9 @@ impl IfConfiguerTrait for NetlinkIfConfiger {
         message.header.kind = RouteType::Unicast;
         message.header.address_family = AddressFamily::Inet;
         // metric
-        message.attributes.push(RouteAttribute::Priority(65535));
+        message
+            .attributes
+            .push(RouteAttribute::Priority(cost.unwrap_or(65535) as u32));
         // output interface
         message
             .attributes
@@ -550,7 +553,7 @@ mod tests {
         ifcfg.set_link_status(DUMMY_IFACE_NAME, true).await.unwrap();
 
         ifcfg
-            .add_ipv4_route(DUMMY_IFACE_NAME, "10.5.5.0".parse().unwrap(), 24)
+            .add_ipv4_route(DUMMY_IFACE_NAME, "10.5.5.0".parse().unwrap(), 24, None)
             .await
             .unwrap();
 

easytier/src/common/ifcfg/windows.rs

@@ -1,6 +1,10 @@
-use std::net::Ipv4Addr;
+use std::{io, net::Ipv4Addr};
 
 use async_trait::async_trait;
+use winreg::{
+    enums::{HKEY_LOCAL_MACHINE, KEY_READ, KEY_WRITE},
+    RegKey,
+};
 
 use super::{cidr_to_subnet_mask, run_shell_cmd, Error, IfConfiguerTrait};
 
@@ -59,16 +63,18 @@ impl IfConfiguerTrait for WindowsIfConfiger {
         name: &str,
         address: Ipv4Addr,
         cidr_prefix: u8,
+        cost: Option<i32>,
     ) -> Result<(), Error> {
         let Some(idx) = Self::get_interface_index(name) else {
             return Err(Error::NotFound);
         };
         run_shell_cmd(
             format!(
-                "route ADD {} MASK {} 10.1.1.1 IF {} METRIC 9000",
+                "route ADD {} MASK {} 10.1.1.1 IF {} METRIC {}",
                 address,
                 cidr_to_subnet_mask(cidr_prefix),
-                idx
+                idx,
+                cost.unwrap_or(9000)
             )
             .as_str(),
         )
@@ -164,3 +170,220 @@ impl IfConfiguerTrait for WindowsIfConfiger {
         .await
     }
 }
+
+pub struct RegistryManager;
+
+impl RegistryManager {
+    pub const IPV4_TCPIP_INTERFACE_PREFIX: &str =
+        r"SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\";
+    pub const IPV6_TCPIP_INTERFACE_PREFIX: &str =
+        r"SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters\Interfaces\";
+    pub const NETBT_INTERFACE_PREFIX: &str =
+        r"SYSTEM\CurrentControlSet\Services\NetBT\Parameters\Interfaces\Tcpip_";
+
+    pub fn reg_delete_obsoleted_items(dev_name: &str) -> io::Result<()> {
+        use winreg::{enums::HKEY_LOCAL_MACHINE, enums::KEY_ALL_ACCESS, RegKey};
+        let hklm = RegKey::predef(HKEY_LOCAL_MACHINE);
+        let profiles_key = hklm.open_subkey_with_flags(
+            "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\NetworkList\\Profiles",
+            KEY_ALL_ACCESS,
+        )?;
+        let unmanaged_key = hklm.open_subkey_with_flags(
+            "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\NetworkList\\Signatures\\Unmanaged",
+            KEY_ALL_ACCESS,
+        )?;
+        // collect subkeys to delete
+        let mut keys_to_delete = Vec::new();
+        let mut keys_to_delete_unmanaged = Vec::new();
+        for subkey_name in profiles_key.enum_keys().filter_map(Result::ok) {
+            let subkey = profiles_key.open_subkey(&subkey_name)?;
+            // check if ProfileName contains "et"
+            match subkey.get_value::<String, _>("ProfileName") {
+                Ok(profile_name) => {
+                    if profile_name.contains("et_")
+                        || (!dev_name.is_empty() && dev_name == profile_name)
+                    {
+                        keys_to_delete.push(subkey_name);
+                    }
+                }
+                Err(e) => {
+                    tracing::error!(
+                        "Failed to read ProfileName for subkey {}: {}",
+                        subkey_name,
+                        e
+                    );
+                }
+            }
+        }
+        for subkey_name in unmanaged_key.enum_keys().filter_map(Result::ok) {
+            let subkey = unmanaged_key.open_subkey(&subkey_name)?;
+            // check if ProfileName contains "et"
+            match subkey.get_value::<String, _>("Description") {
+                Ok(profile_name) => {
+                    if profile_name.contains("et_")
+                        || (!dev_name.is_empty() && dev_name == profile_name)
+                    {
+                        keys_to_delete_unmanaged.push(subkey_name);
+                    }
+                }
+                Err(e) => {
+                    tracing::error!(
+                        "Failed to read ProfileName for subkey {}: {}",
+                        subkey_name,
+                        e
+                    );
+                }
+            }
+        }
+        // delete collected subkeys
+        if !keys_to_delete.is_empty() {
+            for subkey_name in keys_to_delete {
+                match profiles_key.delete_subkey_all(&subkey_name) {
+                    Ok(_) => tracing::trace!("Successfully deleted subkey: {}", subkey_name),
+                    Err(e) => tracing::error!("Failed to delete subkey {}: {}", subkey_name, e),
+                }
+            }
+        }
+        if !keys_to_delete_unmanaged.is_empty() {
+            for subkey_name in keys_to_delete_unmanaged {
+                match unmanaged_key.delete_subkey_all(&subkey_name) {
+                    Ok(_) => tracing::trace!("Successfully deleted subkey: {}", subkey_name),
+                    Err(e) => tracing::error!("Failed to delete subkey {}: {}", subkey_name, e),
+                }
+            }
+        }
+        Ok(())
+    }
+
+    pub fn reg_change_catrgory_in_profile(dev_name: &str) -> io::Result<()> {
+        use winreg::{enums::HKEY_LOCAL_MACHINE, enums::KEY_ALL_ACCESS, RegKey};
+        let hklm = RegKey::predef(HKEY_LOCAL_MACHINE);
+        let profiles_key = hklm.open_subkey_with_flags(
+            "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\NetworkList\\Profiles",
+            KEY_ALL_ACCESS,
+        )?;
+
+        for subkey_name in profiles_key.enum_keys().filter_map(Result::ok) {
+            let subkey = profiles_key.open_subkey_with_flags(&subkey_name, KEY_ALL_ACCESS)?;
+            match subkey.get_value::<String, _>("ProfileName") {
+                Ok(profile_name) => {
+                    if !dev_name.is_empty() && dev_name == profile_name {
+                        match subkey.set_value("Category", &1u32) {
+                            Ok(_) => tracing::trace!("Successfully set Category in registry"),
+                            Err(e) => tracing::error!("Failed to set Category in registry: {}", e),
+                        }
+                    }
+                }
+                Err(e) => {
+                    tracing::error!(
+                        "Failed to read ProfileName for subkey {}: {}",
+                        subkey_name,
+                        e
+                    );
+                }
+            }
+        }
+        Ok(())
+    }
+
+    // 根据接口名称查找 GUID
+    pub fn find_interface_guid(interface_name: &str) -> io::Result<String> {
+        // 注册表路径：所有网络接口的根目录
+        let network_key_path =
+            r"SYSTEM\CurrentControlSet\Control\Network\{4D36E972-E325-11CE-BFC1-08002BE10318}";
+
+        let hklm = RegKey::predef(HKEY_LOCAL_MACHINE);
+        let network_key = hklm.open_subkey_with_flags(network_key_path, KEY_READ)?;
+
+        // 遍历该路径下的所有 GUID 子键
+        for guid in network_key.enum_keys().map_while(Result::ok) {
+            if let Ok(guid_key) = network_key.open_subkey_with_flags(&guid, KEY_READ) {
+                // 检查 Connection/Name 是否匹配目标接口名
+                if let Ok(conn_key) = guid_key.open_subkey_with_flags("Connection", KEY_READ) {
+                    if let Ok(name) = conn_key.get_value::<String, _>("Name") {
+                        if name == interface_name {
+                            return Ok(guid);
+                        }
+                    }
+                }
+            }
+        }
+
+        // 如果没有找到对应的接口
+        Err(io::Error::new(
+            io::ErrorKind::NotFound,
+            "Interface not found",
+        ))
+    }
+
+    // 打开注册表键
+    pub fn open_interface_key(interface_guid: &str, prefix: &str) -> io::Result<RegKey> {
+        let path = format!(r"{}{}", prefix, interface_guid);
+        let hkey_local_machine = RegKey::predef(HKEY_LOCAL_MACHINE);
+        hkey_local_machine.open_subkey_with_flags(&path, KEY_WRITE)
+    }
+
+    // 禁用动态 DNS 更新
+    // disableDynamicUpdates sets the appropriate registry values to prevent the
+    // Windows DHCP client from sending dynamic DNS updates for our interface to
+    // AD domain controllers.
+    pub fn disable_dynamic_updates(interface_guid: &str) -> io::Result<()> {
+        let prefixes = [
+            Self::IPV4_TCPIP_INTERFACE_PREFIX,
+            Self::IPV6_TCPIP_INTERFACE_PREFIX,
+        ];
+
+        for prefix in &prefixes {
+            let key = match Self::open_interface_key(interface_guid, prefix) {
+                Ok(k) => k,
+                Err(e) => {
+                    // 模拟 mute-key-not-found-if-closing 行为
+                    if matches!(e.kind(), io::ErrorKind::NotFound) {
+                        continue;
+                    } else {
+                        return Err(e);
+                    }
+                }
+            };
+
+            key.set_value("RegistrationEnabled", &0u32)?;
+            key.set_value("DisableDynamicUpdate", &1u32)?;
+            key.set_value("MaxNumberOfAddressesToRegister", &0u32)?;
+        }
+
+        Ok(())
+    }
+
+    // 设置单个 DWORD 值到指定的注册表路径下
+    fn set_single_dword(
+        interface_guid: &str,
+        prefix: &str,
+        value_name: &str,
+        data: u32,
+    ) -> io::Result<()> {
+        let key = match Self::open_interface_key(interface_guid, prefix) {
+            Ok(k) => k,
+            Err(e) => {
+                // 模拟 muteKeyNotFoundIfClosing 行为：忽略 Key Not Found 错误
+                return if matches!(e.kind(), io::ErrorKind::NotFound) {
+                    Ok(())
+                } else {
+                    Err(e)
+                };
+            }
+        };
+
+        key.set_value(value_name, &data)?;
+        Ok(())
+    }
+
+    // 禁用 NetBIOS 名称解析请求
+    pub fn disable_netbios(interface_guid: &str) -> io::Result<()> {
+        Self::set_single_dword(
+            interface_guid,
+            Self::NETBT_INTERFACE_PREFIX,
+            "NetbiosOptions",
+            2,
+        )
+    }
+}

easytier/src/common/network.rs

@@ -220,7 +220,7 @@ impl IPCollector {
         return self.cached_ip_list.read().await.deref().clone();
     }
 
-    pub async fn collect_interfaces(net_ns: NetNS) -> Vec<NetworkInterface> {
+    pub async fn collect_interfaces(net_ns: NetNS, filter: bool) -> Vec<NetworkInterface> {
         let _g = net_ns.guard();
         let ifaces = pnet::datalink::interfaces();
         let mut ret = vec![];
@@ -229,7 +229,7 @@ impl IPCollector {
                 iface: iface.clone(),
             };
 
-            if !f.filter_iface().await {
+            if filter && !f.filter_iface().await {
                 continue;
             }
 
@@ -243,21 +243,36 @@ impl IPCollector {
     async fn do_collect_local_ip_addrs(net_ns: NetNS) -> GetIpListResponse {
         let mut ret = GetIpListResponse::default();
 
-        let ifaces = Self::collect_interfaces(net_ns.clone()).await;
+        let ifaces = Self::collect_interfaces(net_ns.clone(), true).await;
         let _g = net_ns.guard();
         for iface in ifaces {
             for ip in iface.ips {
                 let ip: std::net::IpAddr = ip.ip();
-                if ip.is_loopback() || ip.is_multicast() {
-                    continue;
-                }
                 match ip {
                     std::net::IpAddr::V4(v4) => {
+                        if ip.is_loopback() || ip.is_multicast() {
+                            continue;
+                        }
                         ret.interface_ipv4s.push(v4.into());
                     }
+                    _ => {}
+                }
+            }
+        }
+
+        let ifaces = Self::collect_interfaces(net_ns.clone(), false).await;
+        let _g = net_ns.guard();
+        for iface in ifaces {
+            for ip in iface.ips {
+                let ip: std::net::IpAddr = ip.ip();
+                match ip {
                     std::net::IpAddr::V6(v6) => {
+                        if v6.is_multicast() || v6.is_loopback() || v6.is_unicast_link_local() {
+                            continue;
+                        }
                         ret.interface_ipv6s.push(v6.into());
                     }
+                    _ => {}
                 }
             }
         }

easytier/src/common/stun.rs

@@ -8,8 +8,10 @@ use crate::proto::common::{NatType, StunInfo};
 use anyhow::Context;
 use chrono::Local;
 use crossbeam::atomic::AtomicCell;
-use hickory_resolver::config::{NameServerConfig, Protocol, ResolverConfig, ResolverOpts};
+use hickory_proto::xfer::Protocol;
-use hickory_resolver::TokioAsyncResolver;
+use hickory_resolver::config::{NameServerConfig, ResolverConfig};
+use hickory_resolver::name_server::TokioConnectionProvider;
+use hickory_resolver::TokioResolver;
 use rand::seq::IteratorRandom;
 use tokio::net::{lookup_host, UdpSocket};
 use tokio::sync::{broadcast, Mutex};
@@ -39,7 +41,7 @@ pub fn get_default_resolver_config() -> ResolverConfig {
 
 pub async fn resolve_txt_record(
     domain_name: &str,
-    resolver: &TokioAsyncResolver,
+    resolver: &TokioResolver,
 ) -> Result<String, Error> {
     let response = resolver.txt_lookup(domain_name).await.with_context(|| {
         format!(
@@ -79,9 +81,12 @@ impl HostResolverIter {
     }
 
     async fn get_txt_record(domain_name: &str) -> Result<Vec<String>, Error> {
-        let resolver = TokioAsyncResolver::tokio_from_system_conf().unwrap_or(
+        let resolver = TokioResolver::builder_tokio()
-            TokioAsyncResolver::tokio(get_default_resolver_config(), ResolverOpts::default()),
+            .unwrap_or(TokioResolver::builder_with_config(
-        );
+                get_default_resolver_config(),
+                TokioConnectionProvider::default(),
+            ))
+            .build();
         let txt_data = resolve_txt_record(domain_name, &resolver).await?;
         Ok(txt_data.split(" ").map(|x| x.to_string()).collect())
     }
@@ -802,7 +807,10 @@ impl StunInfoCollector {
     async fn get_public_ipv6(servers: &Vec<String>) -> Option<Ipv6Addr> {
         let mut ips = HostResolverIter::new(servers.to_vec(), 10, true);
         while let Some(ip) = ips.next().await {
-            let udp = Arc::new(UdpSocket::bind(format!("[::]:0")).await.unwrap());
+            let Ok(udp_socket) = UdpSocket::bind(format!("[::]:0")).await else {
+                break;
+            };
+            let udp = Arc::new(udp_socket);
             let ret = StunClientBuilder::new(udp.clone())
                 .new_stun_client(ip)
                 .bind_request(false, false)

easytier/src/connector/direct.rs

@@ -24,6 +24,7 @@ use crate::{
         },
         rpc_types::controller::BaseController,
     },
+    tunnel::IpVersion,
 };
 
 use crate::proto::cli::PeerConnInfo;
@@ -175,7 +176,7 @@ impl DirectConnectorManager {
         dst_peer_id: PeerId,
         addr: String,
     ) -> Result<(), Error> {
-        let connector = create_connector_by_url(&addr, &data.global_ctx).await?;
+        let connector = create_connector_by_url(&addr, &data.global_ctx, IpVersion::Both).await?;
         let (peer_id, conn_id) = timeout(
             std::time::Duration::from_secs(3),
             data.peer_manager.try_direct_connect(connector),
@@ -271,7 +272,7 @@ impl DirectConnectorManager {
 
         let mut tasks = bounded_join_set::JoinSet::new(2);
 
-        let listener_host = listener.socket_addrs(|| None).unwrap().pop();
+        let listener_host = listener.socket_addrs(|| None)?.pop();
         match listener_host {
             Some(SocketAddr::V4(s_addr)) => {
                 if s_addr.ip().is_unspecified() {

easytier/src/connector/dns_connector.rs

@@ -11,9 +11,7 @@ use crate::{
 use anyhow::Context;
 use dashmap::DashSet;
 use hickory_resolver::{
-    config::{ResolverConfig, ResolverOpts},
+    name_server::TokioConnectionProvider, proto::rr::rdata::SRV, TokioResolver,
-    proto::rr::rdata::SRV,
-    TokioAsyncResolver,
 };
 use rand::{seq::SliceRandom, Rng as _};
 
@@ -43,9 +41,6 @@ pub struct DNSTunnelConnector {
     bind_addrs: Vec<SocketAddr>,
     global_ctx: ArcGlobalCtx,
     ip_version: IpVersion,
-
-    default_resolve_config: ResolverConfig,
-    default_resolve_opts: ResolverOpts,
 }
 
 impl DNSTunnelConnector {
@@ -55,9 +50,6 @@ impl DNSTunnelConnector {
             bind_addrs: Vec::new(),
             global_ctx,
             ip_version: IpVersion::Both,
-
-            default_resolve_config: get_default_resolver_config(),
-            default_resolve_opts: ResolverOpts::default(),
         }
     }
 
@@ -66,11 +58,13 @@ impl DNSTunnelConnector {
         &self,
         domain_name: &str,
     ) -> Result<Box<dyn TunnelConnector>, Error> {
-        let resolver =
+        let resolver = TokioResolver::builder_tokio()
-            TokioAsyncResolver::tokio_from_system_conf().unwrap_or(TokioAsyncResolver::tokio(
+            .unwrap_or(TokioResolver::builder_with_config(
-                self.default_resolve_config.clone(),
+                get_default_resolver_config(),
-                self.default_resolve_opts.clone(),
+                TokioConnectionProvider::default(),
-            ));
+            ))
+            .build();
+
         let txt_data = resolve_txt_record(domain_name, &resolver)
             .await
             .with_context(|| format!("resolve txt record failed, domain_name: {}", domain_name))?;
@@ -91,8 +85,8 @@ impl DNSTunnelConnector {
                 )
             })?;
 
-        let mut connector = create_connector_by_url(url.as_str(), &self.global_ctx).await?;
+        let connector =
-        connector.set_ip_version(self.ip_version);
+            create_connector_by_url(url.as_str(), &self.global_ctx, self.ip_version).await?;
         Ok(connector)
     }
 
@@ -126,11 +120,12 @@ impl DNSTunnelConnector {
     ) -> Result<Box<dyn TunnelConnector>, Error> {
         tracing::info!("handle_srv_record: {}", domain_name);
 
-        let resolver =
+        let resolver = TokioResolver::builder_tokio()
-            TokioAsyncResolver::tokio_from_system_conf().unwrap_or(TokioAsyncResolver::tokio(
+            .unwrap_or(TokioResolver::builder_with_config(
-                self.default_resolve_config.clone(),
+                get_default_resolver_config(),
-                self.default_resolve_opts.clone(),
+                TokioConnectionProvider::default(),
-            ));
+            ))
+            .build();
 
         let srv_domains = PROTO_PORT_OFFSET
             .iter()
@@ -179,8 +174,8 @@ impl DNSTunnelConnector {
             )
         })?;
 
-        let mut connector = create_connector_by_url(url.as_str(), &self.global_ctx).await?;
+        let connector =
-        connector.set_ip_version(self.ip_version);
+            create_connector_by_url(url.as_str(), &self.global_ctx, self.ip_version).await?;
         Ok(connector)
     }
 }
@@ -242,8 +237,18 @@ mod tests {
         let url = "txt://txt.easytier.cn";
         let global_ctx = get_mock_global_ctx();
         let mut connector = DNSTunnelConnector::new(url.parse().unwrap(), global_ctx);
-        let ret = connector.connect().await.unwrap();
+        connector.set_ip_version(IpVersion::V4);
-        println!("{:?}", ret.info());
+        for _ in 0..5 {
+            match connector.connect().await {
+                Ok(ret) => {
+                    println!("{:?}", ret.info());
+                    return;
+                }
+                Err(e) => {
+                    println!("{:?}", e);
+                }
+            }
+        }
     }
 
     #[tokio::test]
@@ -251,7 +256,17 @@ mod tests {
         let url = "srv://easytier.cn";
         let global_ctx = get_mock_global_ctx();
         let mut connector = DNSTunnelConnector::new(url.parse().unwrap(), global_ctx);
-        let ret = connector.connect().await.unwrap();
+        connector.set_ip_version(IpVersion::V4);
-        println!("{:?}", ret.info());
+        for _ in 0..5 {
+            match connector.connect().await {
+                Ok(ret) => {
+                    println!("{:?}", ret.info());
+                    return;
+                }
+                Err(e) => {
+                    println!("{:?}", e);
+                }
+            }
+        }
     }
 }

easytier/src/connector/http_connector.rs

@@ -92,14 +92,24 @@ impl HttpTunnelConnector {
             if !query.is_empty() {
                 tracing::info!("try to create connector by url: {}", query[0]);
                 self.redirect_type = HttpRedirectType::RedirectToQuery;
-                return create_connector_by_url(&query[0].to_string(), &self.global_ctx).await;
+                return create_connector_by_url(
+                    &query[0].to_string(),
+                    &self.global_ctx,
+                    self.ip_version,
+                )
+                .await;
             } else if let Some(new_url) = url_str
                 .strip_prefix(format!("{}://", url.scheme()).as_str())
                 .and_then(|x| Url::parse(x).ok())
             {
                 // stripe the scheme and create connector by url
                 self.redirect_type = HttpRedirectType::RedirectToUrl;
-                return create_connector_by_url(new_url.as_str(), &self.global_ctx).await;
+                return create_connector_by_url(
+                    new_url.as_str(),
+                    &self.global_ctx,
+                    self.ip_version,
+                )
+                .await;
             }
             return Err(Error::InvalidUrl(format!(
                 "no valid connector url found in url: {}",
@@ -107,7 +117,8 @@ impl HttpTunnelConnector {
             )));
         } else {
             self.redirect_type = HttpRedirectType::RedirectToUrl;
-            return create_connector_by_url(new_url.as_str(), &self.global_ctx).await;
+            return create_connector_by_url(new_url.as_str(), &self.global_ctx, self.ip_version)
+                .await;
         }
     }
 
@@ -137,7 +148,7 @@ impl HttpTunnelConnector {
                 continue;
             }
             self.redirect_type = HttpRedirectType::BodyUrls;
-            return create_connector_by_url(line, &self.global_ctx).await;
+            return create_connector_by_url(line, &self.global_ctx, self.ip_version).await;
         }
 
         Err(Error::InvalidUrl(format!(

easytier/src/connector/manual.rs

@@ -3,7 +3,10 @@ use std::{collections::BTreeSet, sync::Arc};
 use anyhow::Context;
 use dashmap::{DashMap, DashSet};
 use tokio::{
-    sync::{broadcast::Receiver, mpsc, Mutex},
+    sync::{
+        broadcast::{error::RecvError, Receiver},
+        mpsc, Mutex,
+    },
     task::JoinSet,
     time::timeout,
 };
@@ -106,7 +109,7 @@ impl ManualConnectorManager {
     }
 
     pub async fn add_connector_by_url(&self, url: &str) -> Result<(), Error> {
-        self.add_connector(create_connector_by_url(url, &self.global_ctx).await?);
+        self.add_connector(create_connector_by_url(url, &self.global_ctx, IpVersion::Both).await?);
         Ok(())
     }
 
@@ -179,8 +182,37 @@ impl ManualConnectorManager {
         mut event_recv: Receiver<GlobalCtxEvent>,
     ) {
         loop {
-            let event = event_recv.recv().await.expect("event_recv got error");
+            match event_recv.recv().await {
-            Self::handle_event(&event, &data).await;
+                Ok(event) => {
+                    Self::handle_event(&event, &data).await;
+                }
+                Err(RecvError::Lagged(n)) => {
+                    tracing::warn!("event_recv lagged: {}, rebuild alive conn list", n);
+                    event_recv = event_recv.resubscribe();
+                    data.alive_conn_urls.clear();
+                    for x in data
+                        .peer_manager
+                        .get_peer_map()
+                        .get_alive_conns()
+                        .iter()
+                        .map(|x| {
+                            x.tunnel
+                                .clone()
+                                .unwrap_or_default()
+                                .remote_addr
+                                .unwrap_or_default()
+                                .to_string()
+                        })
+                    {
+                        data.alive_conn_urls.insert(x);
+                    }
+                    continue;
+                }
+                Err(RecvError::Closed) => {
+                    tracing::warn!("event_recv closed, exit");
+                    break;
+                }
+            }
         }
     }
 
@@ -271,7 +303,6 @@ impl ManualConnectorManager {
 
     async fn collect_dead_conns(data: Arc<ConnectorManagerData>) -> BTreeSet<String> {
         Self::handle_remove_connector(data.clone());
-
         let all_urls: BTreeSet<String> = data
             .connectors
             .iter()

easytier/src/connector/mod.rs

@@ -13,7 +13,7 @@ use crate::{
     common::{error::Error, global_ctx::ArcGlobalCtx, network::IPCollector},
     tunnel::{
         check_scheme_and_get_socket_addr, ring::RingTunnelConnector, tcp::TcpTunnelConnector,
-        udp::UdpTunnelConnector, TunnelConnector,
+        udp::UdpTunnelConnector, IpVersion, TunnelConnector,
     },
 };
 
@@ -43,8 +43,8 @@ async fn set_bind_addr_for_peer_connector(
         connector.set_bind_addrs(bind_addrs);
     } else {
         let mut bind_addrs = vec![];
-        for ipv6 in ips.interface_ipv6s {
+        for ipv6 in ips.interface_ipv6s.iter().chain(ips.public_ipv6.iter()) {
-            let socket_addr = SocketAddrV6::new(ipv6.into(), 0, 0, 0).into();
+            let socket_addr = SocketAddrV6::new(std::net::Ipv6Addr::from(*ipv6), 0, 0, 0).into();
             bind_addrs.push(socket_addr);
         }
         connector.set_bind_addrs(bind_addrs);
@@ -55,11 +55,12 @@ async fn set_bind_addr_for_peer_connector(
 pub async fn create_connector_by_url(
     url: &str,
     global_ctx: &ArcGlobalCtx,
+    ip_version: IpVersion,
 ) -> Result<Box<dyn TunnelConnector + 'static>, Error> {
     let url = url::Url::parse(url).map_err(|_| Error::InvalidUrl(url.to_owned()))?;
-    match url.scheme() {
+    let mut connector: Box<dyn TunnelConnector + 'static> = match url.scheme() {
         "tcp" => {
-            let dst_addr = check_scheme_and_get_socket_addr::<SocketAddr>(&url, "tcp")?;
+            let dst_addr = check_scheme_and_get_socket_addr::<SocketAddr>(&url, "tcp", ip_version)?;
             let mut connector = TcpTunnelConnector::new(url);
             if global_ctx.config.get_flags().bind_device {
                 set_bind_addr_for_peer_connector(
@@ -69,10 +70,10 @@ pub async fn create_connector_by_url(
                 )
                 .await;
             }
-            return Ok(Box::new(connector));
+            Box::new(connector)
         }
         "udp" => {
-            let dst_addr = check_scheme_and_get_socket_addr::<SocketAddr>(&url, "udp")?;
+            let dst_addr = check_scheme_and_get_socket_addr::<SocketAddr>(&url, "udp", ip_version)?;
             let mut connector = UdpTunnelConnector::new(url);
             if global_ctx.config.get_flags().bind_device {
                 set_bind_addr_for_peer_connector(
@@ -82,20 +83,21 @@ pub async fn create_connector_by_url(
                 )
                 .await;
             }
-            return Ok(Box::new(connector));
+            Box::new(connector)
         }
         "http" | "https" => {
             let connector = HttpTunnelConnector::new(url, global_ctx.clone());
-            return Ok(Box::new(connector));
+            Box::new(connector)
         }
         "ring" => {
-            check_scheme_and_get_socket_addr::<uuid::Uuid>(&url, "ring")?;
+            check_scheme_and_get_socket_addr::<uuid::Uuid>(&url, "ring", IpVersion::Both)?;
             let connector = RingTunnelConnector::new(url);
-            return Ok(Box::new(connector));
+            Box::new(connector)
         }
         #[cfg(feature = "quic")]
         "quic" => {
-            let dst_addr = check_scheme_and_get_socket_addr::<SocketAddr>(&url, "quic")?;
+            let dst_addr =
+                check_scheme_and_get_socket_addr::<SocketAddr>(&url, "quic", ip_version)?;
             let mut connector = QUICTunnelConnector::new(url);
             if global_ctx.config.get_flags().bind_device {
                 set_bind_addr_for_peer_connector(
@@ -105,11 +107,11 @@ pub async fn create_connector_by_url(
                 )
                 .await;
             }
-            return Ok(Box::new(connector));
+            Box::new(connector)
         }
         #[cfg(feature = "wireguard")]
         "wg" => {
-            let dst_addr = check_scheme_and_get_socket_addr::<SocketAddr>(&url, "wg")?;
+            let dst_addr = check_scheme_and_get_socket_addr::<SocketAddr>(&url, "wg", ip_version)?;
             let nid = global_ctx.get_network_identity();
             let wg_config = WgConfig::new_from_network_identity(
                 &nid.network_name,
@@ -124,12 +126,12 @@ pub async fn create_connector_by_url(
                 )
                 .await;
             }
-            return Ok(Box::new(connector));
+            Box::new(connector)
         }
         #[cfg(feature = "websocket")]
         "ws" | "wss" => {
-            use crate::tunnel::{FromUrl, IpVersion};
+            use crate::tunnel::FromUrl;
-            let dst_addr = SocketAddr::from_url(url.clone(), IpVersion::Both)?;
+            let dst_addr = SocketAddr::from_url(url.clone(), ip_version)?;
             let mut connector = crate::tunnel::websocket::WSTunnelConnector::new(url);
             if global_ctx.config.get_flags().bind_device {
                 set_bind_addr_for_peer_connector(
@@ -139,14 +141,17 @@ pub async fn create_connector_by_url(
                 )
                 .await;
             }
-            return Ok(Box::new(connector));
+            Box::new(connector)
         }
         "txt" | "srv" => {
             let connector = dns_connector::DNSTunnelConnector::new(url, global_ctx.clone());
-            return Ok(Box::new(connector));
+            Box::new(connector)
         }
         _ => {
             return Err(Error::InvalidUrl(url.into()));
         }
-    }
+    };
+    connector.set_ip_version(ip_version);
+
+    Ok(connector)
 }

easytier/src/connector/udp_hole_punch/sym_to_cone.rs

@@ -434,7 +434,7 @@ impl PunchSymToConeHoleClient {
         let public_ips: Vec<Ipv4Addr> = stun_info
             .public_ip
             .iter()
-            .map(|x| x.parse().unwrap())
+            .filter_map(|x| x.parse().ok())
             .collect();
         if public_ips.is_empty() {
             return Err(anyhow::anyhow!("failed to get public ips"));

easytier/src/gateway/ip_reassembler.rs

@@ -45,11 +45,13 @@ impl IpPacket {
         // make sure the fragment doesn't overlap with existing fragments
         for f in &self.fragments {
             if f.offset <= fragment.offset && fragment.offset < f.offset + f.data.len() as u16 {
+                tracing::trace!("fragment overlap 1, f.offset = {}, fragment.offset = {}, f.data.len() = {}, fragment.data.len() = {}", f.offset, fragment.offset, f.data.len(), fragment.data.len());
                 return;
             }
             if fragment.offset <= f.offset
                 && f.offset < fragment.offset + fragment.data.len() as u16
             {
+                tracing::trace!("fragment overlap 2, f.offset = {}, fragment.offset = {}, f.data.len() = {}, fragment.data.len() = {}", f.offset, fragment.offset, f.data.len(), fragment.data.len());
                 return;
             }
         }
@@ -151,6 +153,13 @@ impl IpReassembler {
             id,
         };
 
+        tracing::trace!(
+            ?key,
+            "add fragment, offset = {}, total_length = {}",
+            fragment.offset,
+            total_length
+        );
+
         let mut entry = self.packets.entry(key.clone()).or_insert_with(|| {
             let packet = IpPacket::new(source, destination);
             let timestamp = Instant::now();

easytier/src/gateway/kcp_proxy.rs

@@ -106,8 +106,8 @@ async fn handle_kcp_output(
 
 #[derive(Debug, Clone)]
 pub struct NatDstKcpConnector {
-    kcp_endpoint: Arc<KcpEndpoint>,
+    pub(crate) kcp_endpoint: Arc<KcpEndpoint>,
-    peer_mgr: Arc<PeerManager>,
+    pub(crate) peer_mgr: Arc<PeerManager>,
 }
 
 #[async_trait::async_trait]
@@ -299,6 +299,10 @@ impl KcpProxySrc {
     pub fn get_tcp_proxy(&self) -> Arc<TcpProxy<NatDstKcpConnector>> {
         self.tcp_proxy.0.clone()
     }
+
+    pub fn get_kcp_endpoint(&self) -> Arc<KcpEndpoint> {
+        self.kcp_endpoint.clone()
+    }
 }
 
 pub struct KcpProxyDst {

easytier/src/gateway/socks5.rs

@@ -1,10 +1,17 @@
 use std::{
     net::{IpAddr, Ipv4Addr, SocketAddr},
-    sync::Arc,
+    sync::{Arc, Weak},
-    time::Duration,
+    time::{Duration, Instant},
 };
 
+use crossbeam::atomic::AtomicCell;
+use kcp_sys::{endpoint::KcpEndpoint, stream::KcpStream};
+
 use crate::{
+    common::{
+        config::PortForwardConfig, global_ctx::GlobalCtxEvent, join_joinset_background,
+        scoped_task::ScopedTask,
+    },
     gateway::{
         fast_socks5::{
             server::{
@@ -12,19 +19,22 @@ use crate::{
             },
             util::stream::tcp_connect_with_timeout,
         },
-        tokio_smoltcp::TcpStream,
+        ip_reassembler::IpReassembler,
+        kcp_proxy::NatDstKcpConnector,
+        tokio_smoltcp::{channel_device, Net, NetConfig},
     },
-    tunnel::packet_def::PacketType,
+    tunnel::packet_def::{PacketType, ZCPacket},
 };
 use anyhow::Context;
-use dashmap::DashSet;
+use dashmap::DashMap;
-use pnet::packet::{ip::IpNextHeaderProtocols, ipv4::Ipv4Packet, tcp::TcpPacket, Packet};
+use pnet::packet::{
-use tokio::{
+    ip::IpNextHeaderProtocols, ipv4::Ipv4Packet, tcp::TcpPacket, udp::UdpPacket, Packet,
-    io::{AsyncRead, AsyncWrite},
-    select,
 };
 use tokio::{
+    io::{AsyncRead, AsyncWrite},
     net::TcpListener,
+    net::UdpSocket,
+    select,
     sync::{mpsc, Mutex},
     task::JoinSet,
     time::timeout,
@@ -32,14 +42,36 @@ use tokio::{
 
 use crate::{
     common::{error::Error, global_ctx::GlobalCtx},
-    gateway::tokio_smoltcp::{channel_device, Net, NetConfig},
     peers::{peer_manager::PeerManager, PeerPacketFilter},
-    tunnel::packet_def::ZCPacket,
 };
 
+use super::tcp_proxy::NatDstConnector as _;
+
+enum SocksUdpSocket {
+    UdpSocket(Arc<tokio::net::UdpSocket>),
+    SmolUdpSocket(super::tokio_smoltcp::UdpSocket),
+}
+
+impl SocksUdpSocket {
+    pub async fn send_to(&self, buf: &[u8], addr: SocketAddr) -> Result<usize, std::io::Error> {
+        match self {
+            SocksUdpSocket::UdpSocket(socket) => socket.send_to(buf, addr).await,
+            SocksUdpSocket::SmolUdpSocket(socket) => socket.send_to(buf, addr).await,
+        }
+    }
+
+    pub async fn recv_from(&self, buf: &mut [u8]) -> Result<(usize, SocketAddr), std::io::Error> {
+        match self {
+            SocksUdpSocket::UdpSocket(socket) => socket.recv_from(buf).await,
+            SocksUdpSocket::SmolUdpSocket(socket) => socket.recv_from(buf).await,
+        }
+    }
+}
+
 enum SocksTcpStream {
     TcpStream(tokio::net::TcpStream),
-    SmolTcpStream(TcpStream),
+    SmolTcpStream(super::tokio_smoltcp::TcpStream),
+    KcpStream(KcpStream),
 }
 
 impl AsyncRead for SocksTcpStream {
@@ -55,6 +87,9 @@ impl AsyncRead for SocksTcpStream {
             SocksTcpStream::SmolTcpStream(ref mut stream) => {
                 std::pin::Pin::new(stream).poll_read(cx, buf)
             }
+            SocksTcpStream::KcpStream(ref mut stream) => {
+                std::pin::Pin::new(stream).poll_read(cx, buf)
+            }
         }
     }
 }
@@ -72,6 +107,9 @@ impl AsyncWrite for SocksTcpStream {
             SocksTcpStream::SmolTcpStream(ref mut stream) => {
                 std::pin::Pin::new(stream).poll_write(cx, buf)
             }
+            SocksTcpStream::KcpStream(ref mut stream) => {
+                std::pin::Pin::new(stream).poll_write(cx, buf)
+            }
         }
     }
 
@@ -84,6 +122,7 @@ impl AsyncWrite for SocksTcpStream {
             SocksTcpStream::SmolTcpStream(ref mut stream) => {
                 std::pin::Pin::new(stream).poll_flush(cx)
             }
+            SocksTcpStream::KcpStream(ref mut stream) => std::pin::Pin::new(stream).poll_flush(cx),
         }
     }
 
@@ -98,17 +137,121 @@ impl AsyncWrite for SocksTcpStream {
             SocksTcpStream::SmolTcpStream(ref mut stream) => {
                 std::pin::Pin::new(stream).poll_shutdown(cx)
             }
+            SocksTcpStream::KcpStream(ref mut stream) => {
+                std::pin::Pin::new(stream).poll_shutdown(cx)
+            }
         }
     }
 }
 
+enum Socks5EntryData {
+    Tcp(TcpListener), // hold a binded socket to hold the tcp port
+    Udp((Arc<SocksUdpSocket>, UdpClientKey)), // hold the socket to send data to dst
+}
+
+const UDP_ENTRY: u8 = 1;
+const TCP_ENTRY: u8 = 2;
+
 #[derive(Debug, Eq, PartialEq, Hash, Clone)]
 struct Socks5Entry {
     src: SocketAddr,
     dst: SocketAddr,
+    entry_type: u8,
 }
 
-type Socks5EntrySet = Arc<DashSet<Socks5Entry>>;
+type Socks5EntrySet = Arc<DashMap<Socks5Entry, Socks5EntryData>>;
+
+struct SmolTcpConnector {
+    net: Arc<Net>,
+    entries: Socks5EntrySet,
+    current_entry: std::sync::Mutex<Option<Socks5Entry>>,
+}
+
+#[async_trait::async_trait]
+impl AsyncTcpConnector for SmolTcpConnector {
+    type S = SocksTcpStream;
+
+    async fn tcp_connect(
+        &self,
+        addr: SocketAddr,
+        timeout_s: u64,
+    ) -> crate::gateway::fast_socks5::Result<SocksTcpStream> {
+        let tmp_listener = TcpListener::bind("0.0.0.0:0").await?;
+        let local_addr = self.net.get_address();
+        let port = tmp_listener.local_addr()?.port();
+
+        let entry = Socks5Entry {
+            src: SocketAddr::new(local_addr, port),
+            dst: addr,
+            entry_type: TCP_ENTRY,
+        };
+        *self.current_entry.lock().unwrap() = Some(entry.clone());
+        self.entries
+            .insert(entry, Socks5EntryData::Tcp(tmp_listener));
+
+        if addr.ip() == local_addr {
+            let modified_addr =
+                SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), addr.port());
+
+            Ok(SocksTcpStream::TcpStream(
+                tcp_connect_with_timeout(modified_addr, timeout_s).await?,
+            ))
+        } else {
+            let remote_socket = timeout(
+                Duration::from_secs(timeout_s),
+                self.net.tcp_connect(addr, port),
+            )
+            .await
+            .with_context(|| "connect to remote timeout")?;
+
+            Ok(SocksTcpStream::SmolTcpStream(remote_socket.map_err(
+                |e| super::fast_socks5::SocksError::Other(e.into()),
+            )?))
+        }
+    }
+}
+
+impl Drop for SmolTcpConnector {
+    fn drop(&mut self) {
+        if let Some(entry) = self.current_entry.lock().unwrap().take() {
+            self.entries.remove(&entry);
+        }
+    }
+}
+
+struct Socks5KcpConnector {
+    kcp_endpoint: Weak<KcpEndpoint>,
+    peer_mgr: Weak<PeerManager>,
+    src_addr: SocketAddr,
+}
+
+#[async_trait::async_trait]
+impl AsyncTcpConnector for Socks5KcpConnector {
+    type S = SocksTcpStream;
+
+    async fn tcp_connect(
+        &self,
+        addr: SocketAddr,
+        _timeout_s: u64,
+    ) -> crate::gateway::fast_socks5::Result<SocksTcpStream> {
+        let Some(kcp_endpoint) = self.kcp_endpoint.upgrade() else {
+            return Err(anyhow::anyhow!("kcp endpoint is not ready").into());
+        };
+        let Some(peer_mgr) = self.peer_mgr.upgrade() else {
+            return Err(anyhow::anyhow!("peer mgr is not ready").into());
+        };
+        let c = NatDstKcpConnector {
+            kcp_endpoint,
+            peer_mgr,
+        };
+        println!("connect to kcp endpoint, addr = {:?}", addr);
+        let ret = c
+            .connect(self.src_addr, addr)
+            .await
+            .map_err(|e| super::fast_socks5::SocksError::Other(e.into()))?;
+        Ok(SocksTcpStream::KcpStream(ret))
+    }
+}
 
 struct Socks5ServerNet {
     ipv4_addr: cidr::Ipv4Inet,
@@ -130,7 +273,7 @@ impl Socks5ServerNet {
     ) -> Self {
         let mut forward_tasks = JoinSet::new();
         let mut cap = smoltcp::phy::DeviceCapabilities::default();
-        cap.max_transmission_unit = 1280;
+        cap.max_transmission_unit = 1284; // 1284 - 20 can be divided by 8 (fragment offset unit)
         cap.medium = smoltcp::phy::Medium::Ip;
         let (dev, stack_sink, mut stack_stream) = channel_device::ChannelDevice::new(cap);
 
@@ -151,7 +294,8 @@ impl Socks5ServerNet {
             while let Some(data) = stack_stream.recv().await {
                 tracing::trace!(
                     ?data,
-                    "receive from smoltcp stack and send to peer mgr packet"
+                    "receive from smoltcp stack and send to peer mgr packet, len = {}",
+                    data.len()
                 );
                 let Some(ipv4) = Ipv4Packet::new(&data) else {
                     tracing::error!(?data, "smoltcp stack stream get non ipv4 packet");
@@ -197,69 +341,14 @@ impl Socks5ServerNet {
         config.set_skip_auth(false);
         config.set_allow_no_auth(true);
 
-        struct SmolTcpConnector(
-            Arc<Net>,
-            Socks5EntrySet,
-            std::sync::Mutex<Option<Socks5Entry>>,
-        );
-
-        #[async_trait::async_trait]
-        impl AsyncTcpConnector for SmolTcpConnector {
-            type S = SocksTcpStream;
-
-            async fn tcp_connect(
-                &self,
-                addr: SocketAddr,
-                timeout_s: u64,
-            ) -> crate::gateway::fast_socks5::Result<SocksTcpStream> {
-                let local_addr = self.0.get_address();
-                let port = self.0.get_port();
-
-                let entry = Socks5Entry {
-                    src: SocketAddr::new(local_addr, port),
-                    dst: addr,
-                };
-                *self.2.lock().unwrap() = Some(entry.clone());
-                self.1.insert(entry);
-
-                if addr.ip() == local_addr {
-                    let modified_addr =
-                        SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), addr.port());
-
-                    Ok(SocksTcpStream::TcpStream(
-                        tcp_connect_with_timeout(modified_addr, timeout_s).await?,
-                    ))
-                } else {
-                    let remote_socket = timeout(
-                        Duration::from_secs(timeout_s),
-                        self.0.tcp_connect(addr, port),
-                    )
-                    .await
-                    .with_context(|| "connect to remote timeout")?;
-
-                    Ok(SocksTcpStream::SmolTcpStream(remote_socket.map_err(
-                        |e| super::fast_socks5::SocksError::Other(e.into()),
-                    )?))
-                }
-            }
-        }
-
-        impl Drop for SmolTcpConnector {
-            fn drop(&mut self) {
-                if let Some(entry) = self.2.lock().unwrap().take() {
-                    self.1.remove(&entry);
-                }
-            }
-        }
-
         let socket = Socks5Socket::new(
             stream,
             Arc::new(config),
-            SmolTcpConnector(
+            SmolTcpConnector {
-                self.smoltcp_net.clone(),
+                net: self.smoltcp_net.clone(),
-                self.entries.clone(),
+                entries: self.entries.clone(),
-                std::sync::Mutex::new(None),
+                current_entry: std::sync::Mutex::new(None),
-            ),
+            },
         );
 
         self.forward_tasks.lock().unwrap().spawn(async move {
@@ -275,17 +364,38 @@ impl Socks5ServerNet {
     }
 }
 
+struct UdpClientInfo {
+    client_addr: SocketAddr,
+    port_holder_socket: Arc<UdpSocket>,
+    local_addr: SocketAddr,
+    last_active: AtomicCell<Instant>,
+    entries: Socks5EntrySet,
+    entry_key: Socks5Entry,
+}
+
+#[derive(Debug, Eq, PartialEq, Hash, Clone)]
+struct UdpClientKey {
+    client_addr: SocketAddr,
+    dst_addr: SocketAddr,
+}
+
 pub struct Socks5Server {
     global_ctx: Arc<GlobalCtx>,
     peer_manager: Arc<PeerManager>,
     auth: Option<SimpleUserPassword>,
 
-    tasks: Arc<Mutex<JoinSet<()>>>,
+    tasks: Arc<std::sync::Mutex<JoinSet<()>>>,
     packet_sender: mpsc::Sender<ZCPacket>,
     packet_recv: Arc<Mutex<mpsc::Receiver<ZCPacket>>>,
 
     net: Arc<Mutex<Option<Socks5ServerNet>>>,
     entries: Socks5EntrySet,
+
+    tcp_forward_task: Arc<std::sync::Mutex<JoinSet<()>>>,
+    udp_client_map: Arc<DashMap<UdpClientKey, Arc<UdpClientInfo>>>,
+    udp_forward_task: Arc<DashMap<UdpClientKey, ScopedTask<()>>>,
+
+    kcp_endpoint: Mutex<Option<Weak<KcpEndpoint>>>,
 }
 
 #[async_trait::async_trait]
@@ -299,22 +409,65 @@ impl PeerPacketFilter for Socks5Server {
         let payload_bytes = packet.payload();
 
         let ipv4 = Ipv4Packet::new(payload_bytes).unwrap();
-        if ipv4.get_version() != 4 || ipv4.get_next_level_protocol() != IpNextHeaderProtocols::Tcp {
+        if ipv4.get_version() != 4 {
             return Some(packet);
         }
 
-        let tcp_packet = TcpPacket::new(ipv4.payload()).unwrap();
+        let entry_key = match ipv4.get_next_level_protocol() {
-        let entry = Socks5Entry {
+            IpNextHeaderProtocols::Tcp => {
-            dst: SocketAddr::new(ipv4.get_source().into(), tcp_packet.get_source()),
+                let tcp_packet = TcpPacket::new(ipv4.payload()).unwrap();
-            src: SocketAddr::new(ipv4.get_destination().into(), tcp_packet.get_destination()),
+                Socks5Entry {
+                    dst: SocketAddr::new(ipv4.get_source().into(), tcp_packet.get_source()),
+                    src: SocketAddr::new(
+                        ipv4.get_destination().into(),
+                        tcp_packet.get_destination(),
+                    ),
+                    entry_type: TCP_ENTRY,
+                }
+            }
+
+            IpNextHeaderProtocols::Udp => {
+                if IpReassembler::is_packet_fragmented(&ipv4) && !self.entries.is_empty() {
+                    let ipv4_src: IpAddr = ipv4.get_source().into();
+                    // only send to smoltcp if the ipv4 src is in the entries
+                    let is_in_entries = self.entries.iter().any(|x| x.key().dst.ip() == ipv4_src);
+                    tracing::trace!(
+                        ?is_in_entries,
+                        "ipv4 src = {:?}, check need send both smoltcp and kernel tun",
+                        ipv4_src
+                    );
+                    if is_in_entries {
+                        // if the packet is fragmented, no matther what the payload is, need send it to both smoltcp and kernel tun. because
+                        // we cannot determine the udp port of the packet.
+                        let _ = self.packet_sender.try_send(packet.clone()).ok();
+                    }
+                    return Some(packet);
+                }
+
+                let udp_packet = UdpPacket::new(ipv4.payload()).unwrap();
+                Socks5Entry {
+                    dst: SocketAddr::new(ipv4.get_source().into(), udp_packet.get_source()),
+                    src: SocketAddr::new(
+                        ipv4.get_destination().into(),
+                        udp_packet.get_destination(),
+                    ),
+                    entry_type: UDP_ENTRY,
+                }
+            }
+            _ => {
+                return Some(packet);
+            }
         };
 
-        if !self.entries.contains(&entry) {
+        if !self.entries.contains_key(&entry_key) {
             return Some(packet);
         }
 
+        tracing::trace!(?entry_key, ?ipv4, "socks5 found entry for packet from peer");
+
         let _ = self.packet_sender.try_send(packet).ok();
-        return None;
+
+        None
     }
 }
 
@@ -330,12 +483,18 @@ impl Socks5Server {
             peer_manager,
             auth,
 
-            tasks: Arc::new(Mutex::new(JoinSet::new())),
+            tasks: Arc::new(std::sync::Mutex::new(JoinSet::new())),
             packet_recv: Arc::new(Mutex::new(packet_recv)),
             packet_sender,
 
             net: Arc::new(Mutex::new(None)),
-            entries: Arc::new(DashSet::new()),
+            entries: Arc::new(DashMap::new()),
+
+            tcp_forward_task: Arc::new(std::sync::Mutex::new(JoinSet::new())),
+            udp_client_map: Arc::new(DashMap::new()),
+            udp_forward_task: Arc::new(DashMap::new()),
+
+            kcp_endpoint: Mutex::new(None),
         })
     }
 
@@ -345,7 +504,9 @@ impl Socks5Server {
         let peer_manager = self.peer_manager.clone();
         let packet_recv = self.packet_recv.clone();
         let entries = self.entries.clone();
-        self.tasks.lock().await.spawn(async move {
+        let tcp_forward_task = self.tcp_forward_task.clone();
+        let udp_client_map = self.udp_client_map.clone();
+        self.tasks.lock().unwrap().spawn(async move {
             let mut prev_ipv4 = None;
             loop {
                 let mut event_recv = global_ctx.subscribe();
@@ -353,7 +514,10 @@ impl Socks5Server {
                 let cur_ipv4 = global_ctx.get_ipv4();
                 if prev_ipv4 != cur_ipv4 {
                     prev_ipv4 = cur_ipv4;
+
                     entries.clear();
+                    tcp_forward_task.lock().unwrap().abort_all();
+                    udp_client_map.clear();
 
                     if cur_ipv4.is_none() {
                         let _ = net.lock().await.take();
@@ -376,43 +540,356 @@ impl Socks5Server {
         });
     }
 
-    pub async fn run(self: &Arc<Self>) -> Result<(), Error> {
+    pub async fn run(
-        let Some(proxy_url) = self.global_ctx.config.get_socks5_portal() else {
+        self: &Arc<Self>,
-            return Ok(());
+        kcp_endpoint: Option<Weak<KcpEndpoint>>,
+    ) -> Result<(), Error> {
+        *self.kcp_endpoint.lock().await = kcp_endpoint;
+        let mut need_start = false;
+        if let Some(proxy_url) = self.global_ctx.config.get_socks5_portal() {
+            let bind_addr = format!(
+                "{}:{}",
+                proxy_url.host_str().unwrap(),
+                proxy_url.port().unwrap()
+            );
+
+            let listener = {
+                let _g = self.global_ctx.net_ns.guard();
+                TcpListener::bind(bind_addr.parse::<SocketAddr>().unwrap()).await?
+            };
+
+            let net = self.net.clone();
+            self.tasks.lock().unwrap().spawn(async move {
+                loop {
+                    match listener.accept().await {
+                        Ok((socket, _addr)) => {
+                            tracing::info!("accept a new connection, {:?}", socket);
+                            if let Some(net) = net.lock().await.as_ref() {
+                                net.handle_tcp_stream(socket);
+                            }
+                        }
+                        Err(err) => tracing::error!("accept error = {:?}", err),
+                    }
+                }
+            });
+
+            join_joinset_background(self.tasks.clone(), "socks5 server".to_string());
+
+            need_start = true;
         };
 
-        let bind_addr = format!(
+        for port_forward in self.global_ctx.config.get_port_forwards() {
-            "{}:{}",
+            self.add_port_forward(port_forward).await?;
-            proxy_url.host_str().unwrap(),
+            need_start = true;
-            proxy_url.port().unwrap()
+        }
-        );
 
+        if need_start {
+            self.peer_manager
+                .add_packet_process_pipeline(Box::new(self.clone()))
+                .await;
+
+            self.run_net_update_task().await;
+        }
+
+        Ok(())
+    }
+
+    async fn handle_port_forward_connection(
+        mut incoming_socket: tokio::net::TcpStream,
+        connector: Box<dyn AsyncTcpConnector<S = SocksTcpStream> + Send>,
+        dst_addr: SocketAddr,
+    ) {
+        let outgoing_socket = match connector.tcp_connect(dst_addr, 10).await {
+            Ok(socket) => socket,
+            Err(e) => {
+                tracing::error!("port forward: failed to connect to destination: {:?}", e);
+                return;
+            }
+        };
+
+        let mut outgoing_socket = outgoing_socket;
+        match tokio::io::copy_bidirectional(&mut incoming_socket, &mut outgoing_socket).await {
+            Ok((from_client, from_server)) => {
+                tracing::info!(
+                    "port forward connection finished: client->server: {} bytes, server->client: {} bytes",
+                    from_client, from_server
+                );
+            }
+            Err(e) => {
+                tracing::error!("port forward connection error: {:?}", e);
+            }
+        }
+    }
+
+    pub async fn add_port_forward(&self, cfg: PortForwardConfig) -> Result<(), Error> {
+        match cfg.proto.to_lowercase().as_str() {
+            "tcp" => {
+                self.add_tcp_port_forward(cfg.bind_addr, cfg.dst_addr)
+                    .await?;
+            }
+            "udp" => {
+                self.add_udp_port_forward(cfg.bind_addr, cfg.dst_addr)
+                    .await?;
+            }
+            _ => {
+                return Err(anyhow::anyhow!(
+                    "unsupported protocol: {}, only support udp / tcp",
+                    cfg.proto
+                )
+                .into());
+            }
+        }
+        self.global_ctx
+            .issue_event(GlobalCtxEvent::PortForwardAdded(cfg.clone().into()));
+        Ok(())
+    }
+
+    pub async fn add_tcp_port_forward(
+        &self,
+        bind_addr: SocketAddr,
+        dst_addr: SocketAddr,
+    ) -> Result<(), Error> {
         let listener = {
             let _g = self.global_ctx.net_ns.guard();
-            TcpListener::bind(bind_addr.parse::<SocketAddr>().unwrap()).await?
+            TcpListener::bind(bind_addr).await?
         };
 
-        self.peer_manager
-            .add_packet_process_pipeline(Box::new(self.clone()))
-            .await;
-
-        self.run_net_update_task().await;
-
         let net = self.net.clone();
-        self.tasks.lock().await.spawn(async move {
+        let entries = self.entries.clone();
+        let tasks = Arc::new(std::sync::Mutex::new(JoinSet::new()));
+        let forward_tasks = tasks.clone();
+        let kcp_endpoint = self.kcp_endpoint.lock().await.clone();
+        let peer_mgr = Arc::downgrade(&self.peer_manager.clone());
+
+        self.tasks.lock().unwrap().spawn(async move {
             loop {
-                match listener.accept().await {
+                let (incoming_socket, addr) = match listener.accept().await {
-                    Ok((socket, _addr)) => {
+                    Ok(result) => result,
-                        tracing::info!("accept a new connection, {:?}", socket);
+                    Err(err) => {
-                        if let Some(net) = net.lock().await.as_ref() {
+                        tracing::error!("port forward accept error = {:?}", err);
-                            net.handle_tcp_stream(socket);
+                        continue;
-                        }
                     }
-                    Err(err) => tracing::error!("accept error = {:?}", err),
+                };
+
+                tracing::info!(
+                    "port forward: accept new connection from {:?} to {:?}",
+                    bind_addr,
+                    dst_addr
+                );
+
+                let net_guard = net.lock().await;
+                let Some(net) = net_guard.as_ref() else {
+                    tracing::error!("net is not ready");
+                    continue;
+                };
+
+                let connector: Box<dyn AsyncTcpConnector<S = SocksTcpStream> + Send> =
+                    if kcp_endpoint.is_none() {
+                        Box::new(SmolTcpConnector {
+                            net: net.smoltcp_net.clone(),
+                            entries: entries.clone(),
+                            current_entry: std::sync::Mutex::new(None),
+                        })
+                    } else {
+                        let kcp_endpoint = kcp_endpoint.as_ref().unwrap().clone();
+                        Box::new(Socks5KcpConnector {
+                            kcp_endpoint,
+                            peer_mgr: peer_mgr.clone(),
+                            src_addr: addr,
+                        })
+                    };
+
+                forward_tasks
+                    .lock()
+                    .unwrap()
+                    .spawn(Self::handle_port_forward_connection(
+                        incoming_socket,
+                        connector,
+                        dst_addr,
+                    ));
+            }
+        });
+
+        Ok(())
+    }
+
+    #[tracing::instrument(name = "add_udp_port_forward", skip(self))]
+    pub async fn add_udp_port_forward(
+        &self,
+        bind_addr: SocketAddr,
+        dst_addr: SocketAddr,
+    ) -> Result<(), Error> {
+        let socket = {
+            let _g = self.global_ctx.net_ns.guard();
+            Arc::new(UdpSocket::bind(bind_addr).await?)
+        };
+
+        let entries = self.entries.clone();
+        let net_ns = self.global_ctx.net_ns.clone();
+        let net = self.net.clone();
+        let udp_client_map = self.udp_client_map.clone();
+        let udp_forward_task = self.udp_forward_task.clone();
+
+        self.tasks.lock().unwrap().spawn(async move {
+            loop {
+                // we set the max buffer size of smoltcp to 8192, so we need to use a buffer size that is less than 8192 here.
+                let mut buf = vec![0u8; 8192];
+                let (len, addr) = match socket.recv_from(&mut buf).await {
+                    Ok(result) => result,
+                    Err(err) => {
+                        tracing::error!("udp port forward recv error = {:?}", err);
+                        continue;
+                    }
+                };
+
+                tracing::trace!(
+                    "udp port forward recv packet from {:?}, len = {}",
+                    addr,
+                    len
+                );
+
+                let udp_client_key = UdpClientKey {
+                    client_addr: addr,
+                    dst_addr,
+                };
+
+                let binded_socket = udp_client_map.get(&udp_client_key);
+                let client_info = match binded_socket {
+                    Some(s) => s.clone(),
+                    None => {
+                        let _g = net_ns.guard();
+                        // reserve a port so os will not use it to connect to the virtual network
+                        let binded_socket = tokio::net::UdpSocket::bind("0.0.0.0:0").await;
+                        if binded_socket.is_err() {
+                            tracing::error!("udp port forward bind error = {:?}", binded_socket);
+                            continue;
+                        }
+                        let binded_socket = binded_socket.unwrap();
+                        let mut local_addr = binded_socket.local_addr().unwrap();
+                        let Some(cur_ipv4) = net.lock().await.as_ref().map(|net| net.ipv4_addr) else {
+                            continue;
+                        };
+                        local_addr.set_ip(cur_ipv4.address().into());
+
+                        let entry_key = Socks5Entry {
+                            src: local_addr,
+                            dst: dst_addr,
+                            entry_type: UDP_ENTRY,
+                        };
+
+                        tracing::debug!("udp port forward binded socket = {:?}, entry_key = {:?}", local_addr, entry_key);
+
+                        let client_info = Arc::new(UdpClientInfo {
+                            client_addr: addr,
+                            port_holder_socket: Arc::new(binded_socket),
+                            local_addr,
+                            last_active: AtomicCell::new(Instant::now()),
+                            entries: entries.clone(),
+                            entry_key,
+                        });
+                        udp_client_map.insert(udp_client_key.clone(), client_info.clone());
+                        client_info
+                    }
+                };
+
+                client_info.last_active.store(Instant::now());
+
+                let entry_data = match entries.get(&client_info.entry_key) {
+                    Some(data) => data,
+                    None => {
+                        let guard = net.lock().await;
+                        let Some(net) = guard.as_ref() else {
+                            continue;
+                        };
+                        let local_addr = net.ipv4_addr;
+                        let sokcs_udp = if dst_addr.ip() == local_addr.address() {
+                            SocksUdpSocket::UdpSocket(client_info.port_holder_socket.clone())
+                        } else {
+                            tracing::debug!("udp port forward bind new smol udp socket, {:?}", local_addr);
+                            SocksUdpSocket::SmolUdpSocket(
+                                net.smoltcp_net
+                                    .udp_bind(SocketAddr::new(
+                                        IpAddr::V4(local_addr.address()),
+                                        client_info.local_addr.port(),
+                                    ))
+                                    .await
+                                    .unwrap(),
+                            )
+                        };
+                        let socks_udp = Arc::new(sokcs_udp);
+                        entries.insert(
+                            client_info.entry_key.clone(),
+                            Socks5EntryData::Udp((socks_udp.clone(), udp_client_key.clone())),
+                        );
+
+                        let socks = socket.clone();
+                        let client_addr = addr;
+                        udp_forward_task.insert(
+                            udp_client_key.clone(),
+                            ScopedTask::from(tokio::spawn(async move {
+                                loop {
+                                    let mut buf = vec![0u8; 8192];
+                                    match socks_udp.recv_from(&mut buf).await {
+                                        Ok((len, dst_addr)) => {
+                                            tracing::trace!(
+                                                "udp port forward recv response packet from {:?}, len = {}, client_addr = {:?}",
+                                                dst_addr,
+                                                len,
+                                                client_addr
+                                            );
+                                            if let Err(e) = socks.send_to(&buf[..len], client_addr).await {
+                                                tracing::error!("udp forward send error = {:?}", e);
+                                            }
+                                        }
+                                        Err(e) => {
+                                            tracing::error!("udp forward recv error = {:?}", e);
+                                        }
+                                    }
+                                }
+                            })),
+                        );
+
+                        entries.get(&client_info.entry_key).unwrap()
+                    }
+                };
+
+                let s = match entry_data.value() {
+                    Socks5EntryData::Udp((s, _)) => s.clone(),
+                    _ => {
+                        panic!("udp entry data is not udp entry data");
+                    }
+                };
+                drop(entry_data);
+
+                if let Err(e) = s.send_to(&buf[..len], dst_addr).await {
+                    tracing::error!(?dst_addr, ?len, "udp port forward send error = {:?}", e);
+                } else {
+                    tracing::trace!(?dst_addr, ?len, "udp port forward send packet success");
                 }
             }
         });
 
+        // clean up task
+        let udp_client_map = self.udp_client_map.clone();
+        let udp_forward_task = self.udp_forward_task.clone();
+        let entries = self.entries.clone();
+        self.tasks.lock().unwrap().spawn(async move {
+            loop {
+                tokio::time::sleep(Duration::from_secs(30)).await;
+                let now = Instant::now();
+                udp_client_map.retain(|_, client_info| {
+                    now.duration_since(client_info.last_active.load()).as_secs() < 600
+                });
+                udp_forward_task.retain(|k, _| udp_client_map.contains_key(&k));
+                entries.retain(|_, data| match data {
+                    Socks5EntryData::Udp((_, udp_client_key)) => {
+                        udp_client_map.contains_key(&udp_client_key)
+                    }
+                    _ => true,
+                });
+            }
+        });
+
         Ok(())
     }
 }

easytier/src/gateway/tcp_proxy.rs

@@ -351,9 +351,10 @@ impl<C: NatDstConnector> PeerPacketFilter for TcpProxy<C> {
 #[async_trait::async_trait]
 impl<C: NatDstConnector> NicPacketFilter for TcpProxy<C> {
     async fn try_process_packet_from_nic(&self, zc_packet: &mut ZCPacket) -> bool {
-        let Some(my_ipv4) = self.get_local_ip() else {
+        let Some(my_ipv4_inet) = self.get_local_inet() else {
             return false;
         };
+        let my_ipv4 = my_ipv4_inet.address();
 
         let data = zc_packet.payload();
         let ip_packet = Ipv4Packet::new(data).unwrap();
@@ -377,7 +378,7 @@ impl<C: NatDstConnector> NicPacketFilter for TcpProxy<C> {
 
         // for kcp proxy, the src ip of nat entry will be converted from my ip to fake ip
         // here we need to convert it back
-        if !self.is_smoltcp_enabled() && dst_addr.ip() == Self::get_fake_local_ipv4(my_ipv4) {
+        if !self.is_smoltcp_enabled() && dst_addr.ip() == Self::get_fake_local_ipv4(&my_ipv4_inet) {
             dst_addr.set_ip(IpAddr::V4(my_ipv4));
             need_transform_dst = true;
         }
@@ -620,13 +621,15 @@ impl<C: NatDstConnector> TcpProxy<C> {
                     continue;
                 };
 
-                let my_ip = global_ctx
+                let my_ip_inet = global_ctx.get_ipv4();
-                    .get_ipv4()
+                let my_ip = my_ip_inet
                     .as_ref()
                     .map(Ipv4Inet::address)
                     .unwrap_or(Ipv4Addr::UNSPECIFIED);
 
-                if socket_addr.ip() == Self::get_fake_local_ipv4(my_ip) {
+                if my_ip_inet.is_some()
+                    && socket_addr.ip() == Self::get_fake_local_ipv4(&my_ip_inet.unwrap())
+                {
                     socket_addr.set_ip(IpAddr::V4(my_ip));
                 }
 
@@ -768,13 +771,14 @@ impl<C: NatDstConnector> TcpProxy<C> {
     }
 
     pub fn get_local_ip(&self) -> Option<Ipv4Addr> {
+        self.get_local_inet().map(|inet| inet.address())
+    }
+
+    pub fn get_local_inet(&self) -> Option<Ipv4Inet> {
         if self.is_smoltcp_enabled() {
-            Some(Ipv4Addr::new(192, 88, 99, 254))
+            Some(Ipv4Inet::new(Ipv4Addr::new(192, 88, 99, 254), 24).unwrap())
         } else {
-            self.global_ctx
+            self.global_ctx.get_ipv4().as_ref().cloned()
-                .get_ipv4()
-                .as_ref()
-                .map(cidr::Ipv4Inet::address)
         }
     }
 
@@ -787,9 +791,8 @@ impl<C: NatDstConnector> TcpProxy<C> {
             .load(std::sync::atomic::Ordering::Relaxed)
     }
 
-    pub fn get_fake_local_ipv4(local_ip: Ipv4Addr) -> Ipv4Addr {
+    pub fn get_fake_local_ipv4(local_ip: &Ipv4Inet) -> Ipv4Addr {
-        let octets = local_ip.octets();
+        local_ip.first_address()
-        Ipv4Addr::new(octets[0], octets[1], octets[2], 0)
     }
 
     async fn try_handle_peer_packet(&self, packet: &mut ZCPacket) -> Option<()> {
@@ -800,7 +803,8 @@ impl<C: NatDstConnector> TcpProxy<C> {
             return None;
         }
 
-        let ipv4_addr = self.get_local_ip()?;
+        let ipv4_inet = self.get_local_inet()?;
+        let ipv4_addr = ipv4_inet.address();
         let hdr = packet.peer_manager_header().unwrap().clone();
 
         if hdr.packet_type != PacketType::Data as u8 || hdr.is_no_proxy() {
@@ -849,7 +853,7 @@ impl<C: NatDstConnector> TcpProxy<C> {
         let mut ip_packet = MutableIpv4Packet::new(payload_bytes).unwrap();
         if !self.is_smoltcp_enabled() && source_ip == ipv4_addr {
             // modify the source so the response packet can be handled by tun device
-            ip_packet.set_source(Self::get_fake_local_ipv4(ipv4_addr));
+            ip_packet.set_source(Self::get_fake_local_ipv4(&ipv4_inet));
         }
         ip_packet.set_destination(ipv4_addr);
         let source = ip_packet.get_source();

easytier/src/gateway/tokio_smoltcp/mod.rs

@@ -20,7 +20,7 @@ use smoltcp::{
     time::{Duration, Instant},
     wire::{HardwareAddress, IpAddress, IpCidr},
 };
-pub use socket::{TcpListener, TcpStream};
+pub use socket::{TcpListener, TcpStream, UdpSocket};
 pub use socket_allocator::BufferSize;
 use tokio::sync::Notify;
 
@@ -158,6 +158,13 @@ impl Net {
         )
         .await
     }
+
+    /// This function will create a new UDP socket and attempt to bind it to the `addr` provided.
+    pub async fn udp_bind(&self, addr: SocketAddr) -> io::Result<UdpSocket> {
+        let addr = self.set_address(addr);
+        UdpSocket::new(self.reactor.clone(), addr.into()).await
+    }
+
     fn set_address(&self, mut addr: SocketAddr) -> SocketAddr {
         if addr.ip().is_unspecified() {
             addr.set_ip(match self.ip_addr.address() {

easytier/src/gateway/tokio_smoltcp/socket.rs

@@ -2,6 +2,7 @@ use super::{reactor::Reactor, socket_allocator::SocketHandle};
 use futures::future::{self, poll_fn};
 use futures::{ready, Stream};
 pub use smoltcp::socket::tcp;
+use smoltcp::socket::udp;
 use smoltcp::wire::{IpAddress, IpEndpoint};
 use std::mem::replace;
 use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
@@ -247,3 +248,86 @@ impl AsyncWrite for TcpStream {
         Poll::Pending
     }
 }
+
+/// A UDP socket.
+pub struct UdpSocket {
+    handle: SocketHandle,
+    reactor: Arc<Reactor>,
+    local_addr: SocketAddr,
+}
+
+impl UdpSocket {
+    pub(super) async fn new(
+        reactor: Arc<Reactor>,
+        local_endpoint: IpEndpoint,
+    ) -> io::Result<UdpSocket> {
+        let handle = reactor.socket_allocator().new_udp_socket();
+        {
+            let mut socket = reactor.get_socket::<udp::Socket>(*handle);
+            socket.bind(local_endpoint).map_err(map_err)?;
+        }
+
+        let local_addr = ep2sa(&local_endpoint);
+
+        Ok(UdpSocket {
+            handle,
+            reactor,
+            local_addr,
+        })
+    }
+    /// Note that on multiple calls to a poll_* method in the send direction, only the Waker from the Context passed to the most recent call will be scheduled to receive a wakeup.
+    pub fn poll_send_to(
+        &self,
+        cx: &mut Context<'_>,
+        buf: &[u8],
+        target: SocketAddr,
+    ) -> Poll<io::Result<usize>> {
+        let mut socket = self.reactor.get_socket::<udp::Socket>(*self.handle);
+        let target_ip: IpEndpoint = target.into();
+
+        match socket.send_slice(buf, target_ip) {
+            // the buffer is full
+            Err(udp::SendError::BufferFull) => {}
+            r => {
+                r.map_err(map_err)?;
+                self.reactor.notify();
+                return Poll::Ready(Ok(buf.len()));
+            }
+        }
+
+        socket.register_send_waker(cx.waker());
+        Poll::Pending
+    }
+    /// See note on `poll_send_to`
+    pub async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result<usize> {
+        poll_fn(|cx| self.poll_send_to(cx, buf, target)).await
+    }
+    /// Note that on multiple calls to a poll_* method in the recv direction, only the Waker from the Context passed to the most recent call will be scheduled to receive a wakeup.
+    pub fn poll_recv_from(
+        &self,
+        cx: &mut Context<'_>,
+        buf: &mut [u8],
+    ) -> Poll<io::Result<(usize, SocketAddr)>> {
+        let mut socket = self.reactor.get_socket::<udp::Socket>(*self.handle);
+
+        match socket.recv_slice(buf) {
+            // the buffer is empty
+            Err(udp::RecvError::Exhausted) => {}
+            r => {
+                let (size, metadata) = r.map_err(map_err)?;
+                self.reactor.notify();
+                return Poll::Ready(Ok((size, ep2sa(&metadata.endpoint))));
+            }
+        }
+
+        socket.register_recv_waker(cx.waker());
+        Poll::Pending
+    }
+    /// See note on `poll_recv_from`
+    pub async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
+        poll_fn(|cx| self.poll_recv_from(cx, buf)).await
+    }
+    pub fn local_addr(&self) -> io::Result<SocketAddr> {
+        Ok(self.local_addr)
+    }
+}

easytier/src/gateway/tokio_smoltcp/socket_allocator.rs

@@ -1,7 +1,7 @@
 use parking_lot::Mutex;
 use smoltcp::{
     iface::{SocketHandle as InnerSocketHandle, SocketSet},
-    socket::tcp,
+    socket::{tcp, udp},
     time::Duration,
 };
 use std::{
@@ -14,6 +14,11 @@ use std::{
 pub struct BufferSize {
     pub tcp_rx_size: usize,
     pub tcp_tx_size: usize,
+
+    pub udp_rx_size: usize,
+    pub udp_tx_size: usize,
+    pub udp_rx_meta_size: usize,
+    pub udp_tx_meta_size: usize,
 }
 
 impl Default for BufferSize {
@@ -21,6 +26,11 @@ impl Default for BufferSize {
         BufferSize {
             tcp_rx_size: 8192,
             tcp_tx_size: 8192,
+
+            udp_rx_size: 8192,
+            udp_tx_size: 8192,
+            udp_rx_meta_size: 32,
+            udp_tx_meta_size: 32,
         }
     }
 }
@@ -59,6 +69,26 @@ impl SocketAlloctor {
 
         tcp
     }
+
+    pub fn new_udp_socket(&self) -> SocketHandle {
+        let mut set = self.sockets.lock();
+        let handle = set.add(self.alloc_udp_socket());
+        SocketHandle::new(handle, self.sockets.clone())
+    }
+
+    fn alloc_udp_socket(&self) -> udp::Socket<'static> {
+        let rx_buffer = udp::PacketBuffer::new(
+            vec![udp::PacketMetadata::EMPTY; self.buffer_size.udp_rx_meta_size],
+            vec![0; self.buffer_size.udp_rx_size],
+        );
+        let tx_buffer = udp::PacketBuffer::new(
+            vec![udp::PacketMetadata::EMPTY; self.buffer_size.udp_tx_meta_size],
+            vec![0; self.buffer_size.udp_tx_size],
+        );
+        let udp = udp::Socket::new(rx_buffer, tx_buffer);
+
+        udp
+    }
 }
 
 pub struct SocketHandle(InnerSocketHandle, SharedSocketSet);

easytier/src/instance/dns_server/client_instance.rs

@@ -0,0 +1,104 @@
+use std::{sync::Arc, time::Duration};
+
+use tokio::task::JoinSet;
+
+use crate::{
+    peers::peer_manager::PeerManager,
+    proto::{
+        cli::Route,
+        common::Void,
+        magic_dns::{
+            HandshakeRequest, MagicDnsServerRpc, MagicDnsServerRpcClientFactory,
+            UpdateDnsRecordRequest,
+        },
+        rpc_impl::standalone::StandAloneClient,
+        rpc_types::controller::BaseController,
+    },
+    tunnel::tcp::TcpTunnelConnector,
+};
+
+use super::{DEFAULT_ET_DNS_ZONE, MAGIC_DNS_INSTANCE_ADDR};
+
+pub struct MagicDnsClientInstance {
+    rpc_client: StandAloneClient<TcpTunnelConnector>,
+    rpc_stub: Option<Box<dyn MagicDnsServerRpc<Controller = BaseController> + Send>>,
+    peer_mgr: Arc<PeerManager>,
+    tasks: JoinSet<()>,
+}
+
+impl MagicDnsClientInstance {
+    pub async fn new(peer_mgr: Arc<PeerManager>) -> Result<Self, anyhow::Error> {
+        let tcp_connector = TcpTunnelConnector::new(MAGIC_DNS_INSTANCE_ADDR.parse().unwrap());
+        let mut rpc_client = StandAloneClient::new(tcp_connector);
+        let rpc_stub = rpc_client
+            .scoped_client::<MagicDnsServerRpcClientFactory<BaseController>>("".to_string())
+            .await?;
+        Ok(MagicDnsClientInstance {
+            rpc_client,
+            rpc_stub: Some(rpc_stub),
+            peer_mgr,
+            tasks: JoinSet::new(),
+        })
+    }
+
+    async fn update_dns_task(
+        peer_mgr: Arc<PeerManager>,
+        rpc_stub: Box<dyn MagicDnsServerRpc<Controller = BaseController> + Send>,
+    ) -> Result<(), anyhow::Error> {
+        let mut prev_last_update = None;
+        rpc_stub
+            .handshake(BaseController::default(), HandshakeRequest::default())
+            .await?;
+        loop {
+            rpc_stub
+                .heartbeat(BaseController::default(), Void::default())
+                .await?;
+
+            let last_update = peer_mgr.get_route_peer_info_last_update_time().await;
+            if Some(last_update) == prev_last_update {
+                tokio::time::sleep(Duration::from_millis(500)).await;
+                continue;
+            }
+            prev_last_update = Some(last_update);
+            let mut routes = peer_mgr.list_routes().await;
+            // add self as a route
+            let ctx = peer_mgr.get_global_ctx();
+            routes.push(Route {
+                hostname: ctx.get_hostname(),
+                ipv4_addr: ctx.get_ipv4().map(Into::into),
+                ..Default::default()
+            });
+            let req = UpdateDnsRecordRequest {
+                routes,
+                zone: DEFAULT_ET_DNS_ZONE.to_string(),
+            };
+            tracing::debug!(
+                "MagicDnsClientInstance::update_dns_task: update dns records: {:?}",
+                req
+            );
+            rpc_stub
+                .update_dns_record(BaseController::default(), req)
+                .await?;
+        }
+    }
+
+    pub async fn run_and_wait(&mut self) {
+        let rpc_stub = self.rpc_stub.take().unwrap();
+        let peer_mgr = self.peer_mgr.clone();
+        self.tasks.spawn(async move {
+            let ret = Self::update_dns_task(peer_mgr, rpc_stub).await;
+            if let Err(e) = ret {
+                tracing::error!("MagicDnsServerInstanceData::run_and_wait: {:?}", e);
+            }
+        });
+
+        tokio::select! {
+            _ = self.tasks.join_next() => {
+                tracing::warn!("MagicDnsServerInstanceData::run_and_wait: dns record update task exited");
+            }
+            _ = self.rpc_client.wait() => {
+                tracing::warn!("MagicDnsServerInstanceData::run_and_wait: rpc client exited");
+            }
+        }
+    }
+}

easytier/src/instance/dns_server/config.rs

@@ -0,0 +1,193 @@
+use hickory_proto::rr;
+use hickory_proto::rr::RData;
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
+use std::net::{IpAddr, Ipv4Addr};
+use std::str::FromStr;
+use std::time::Duration;
+
+#[derive(Serialize, Deserialize, Debug, Clone, derive_builder::Builder)]
+pub struct RunConfig {
+    general: GeneralConfig,
+
+    #[builder(default = HashMap::new())]
+    zones: Zone,
+
+    #[builder(default = Vec::new())]
+    #[serde(default)]
+    excluded_forward_nameservers: Vec<IpAddr>,
+}
+
+impl RunConfig {
+    pub fn general(&self) -> &GeneralConfig {
+        &self.general
+    }
+
+    pub fn zones(&self) -> &Zone {
+        &self.zones
+    }
+
+    pub fn excluded_forward_nameservers(&self) -> &Vec<IpAddr> {
+        &self.excluded_forward_nameservers
+    }
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, derive_builder::Builder)]
+pub struct GeneralConfig {
+    #[builder(setter(into, strip_option), default = None)]
+    listen_tcp: Option<String>,
+
+    #[builder(setter(into, strip_option), default = None)]
+    listen_udp: Option<String>,
+}
+
+impl GeneralConfig {
+    pub fn listen_tcp(&self) -> &Option<String> {
+        &self.listen_tcp
+    }
+
+    pub fn listen_udp(&self) -> &Option<String> {
+        &self.listen_udp
+    }
+}
+
+pub type Zone = HashMap<String, Vec<Record>>; // domain -> records
+
+pub type RecordType = rr::RecordType;
+
+#[derive(Serialize, Deserialize, Debug, Clone, derive_builder::Builder)]
+pub struct Record {
+    #[serde(rename = "type")]
+    rr_type: RecordType,
+
+    name: String,
+    value: String,
+
+    #[serde(with = "humantime_serde")]
+    ttl: Duration,
+}
+
+impl Record {
+    fn name(&self) -> anyhow::Result<rr::Name> {
+        let name = rr::Name::from_str(self.name.as_str())?;
+        Ok(name)
+    }
+
+    fn rr_type(&self) -> rr::RecordType {
+        self.rr_type.clone().into()
+    }
+}
+
+impl TryFrom<Record> for rr::Record {
+    type Error = anyhow::Error;
+
+    fn try_from(value: Record) -> Result<Self, Self::Error> {
+        let r: rr::Record = (&value).try_into()?;
+        Ok(r)
+    }
+}
+
+impl TryFrom<&Record> for rr::Record {
+    type Error = anyhow::Error;
+
+    fn try_from(value: &Record) -> Result<Self, Self::Error> {
+        let name = value.name()?;
+        let mut record = Self::update0(name, value.ttl.as_secs() as u32, value.rr_type());
+        record.set_dns_class(rr::DNSClass::IN);
+        match value.rr_type {
+            RecordType::A => {
+                let addr: Ipv4Addr = value.value.parse()?;
+                record.set_data(RData::A(rr::rdata::a::A(addr)));
+            }
+            RecordType::SOA => {
+                let soa = value.value.split_whitespace().collect::<Vec<_>>();
+                if soa.len() != 7 {
+                    return Err(anyhow::anyhow!("invalid SOA record"));
+                }
+                let mname = rr::Name::from_str(soa[0])?;
+                let rname = rr::Name::from_str(soa[1])?;
+                let serial: u32 = soa[2].parse()?;
+                let refresh: u32 = soa[3].parse()?;
+                let retry: u32 = soa[4].parse()?;
+                let expire: u32 = soa[5].parse()?;
+                let minimum: u32 = soa[6].parse()?;
+                record.set_data(RData::SOA(rr::rdata::soa::SOA::new(
+                    mname,
+                    rname,
+                    serial,
+                    refresh.try_into().unwrap(),
+                    retry.try_into().unwrap(),
+                    expire.try_into().unwrap(),
+                    minimum,
+                )));
+            }
+            _ => todo!(),
+        }
+        Ok(record)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use anyhow::anyhow;
+
+    #[tokio::test]
+    async fn it_works() -> anyhow::Result<()> {
+        let text = r#"
+[general]
+listen_tcp = "127.0.0.1:5300"
+listen_udp = "127.0.0.1:5353"
+
+[[zones."et.internal"]]
+type = "A"
+name = "www"
+value = "123.123.123.123"
+ttl = "60s"
+
+[[zones."et.top"]]
+type = "A"
+name = "@"
+value = "100.100.100.100"
+ttl = "61s"
+
+"#;
+
+        let config = toml::from_str::<RunConfig>(text)?;
+        assert_eq!(
+            config.general.listen_tcp().clone().unwrap(),
+            "127.0.0.1:5300"
+        );
+        assert_eq!(
+            config.general.listen_udp().clone().unwrap(),
+            "127.0.0.1:5353"
+        );
+        assert_eq!(config.zones.len(), 2);
+
+        let (domain, records) = config
+            .zones
+            .get_key_value("et.internal")
+            .map_or(Err(anyhow!("parse error")), |x| Ok(x))?;
+        assert_eq!(domain, "et.internal");
+        assert_eq!(records.len(), 1);
+        let record = &records[0];
+        assert_eq!(record.rr_type, RecordType::A);
+        assert_eq!(record.name, "www");
+        assert_eq!(record.value, "123.123.123.123");
+        assert_eq!(record.ttl.as_secs(), 60);
+
+        let (domain, records) = config
+            .zones
+            .get_key_value("et.top")
+            .map_or(Err(anyhow!("parse error")), |x| Ok(x))?;
+        assert_eq!(domain, "et.top");
+        assert_eq!(records.len(), 1);
+        let record = &records[0];
+        assert_eq!(record.rr_type, RecordType::A);
+        assert_eq!(record.name, "@");
+        assert_eq!(record.value, "100.100.100.100");
+        assert_eq!(record.ttl.as_secs(), 61);
+
+        Ok(())
+    }
+}

easytier/src/instance/dns_server/mod.rs

@@ -0,0 +1,15 @@
+// This module is copy and modified from https://github.com/fanyang89/libdns
+pub(crate) mod config;
+pub(crate) mod server;
+
+pub mod client_instance;
+pub mod runner;
+pub mod server_instance;
+pub mod system_config;
+
+#[cfg(test)]
+mod tests;
+
+pub static MAGIC_DNS_INSTANCE_ADDR: &str = "tcp://127.0.0.1:49813";
+pub static MAGIC_DNS_FAKE_IP: &str = "100.100.100.101";
+pub static DEFAULT_ET_DNS_ZONE: &str = "et.net.";

easytier/src/instance/dns_server/runner.rs

@@ -0,0 +1,93 @@
+use cidr::Ipv4Inet;
+use tokio_util::sync::CancellationToken;
+
+use crate::peers::peer_manager::PeerManager;
+use std::{net::Ipv4Addr, sync::Arc, time::Duration};
+
+use super::{client_instance::MagicDnsClientInstance, server_instance::MagicDnsServerInstance};
+
+static DEFAULT_ET_DNS_ZONE: &str = "et.net.";
+
+pub struct DnsRunner {
+    client: Option<MagicDnsClientInstance>,
+    server: Option<MagicDnsServerInstance>,
+    peer_mgr: Arc<PeerManager>,
+    tun_dev: Option<String>,
+    tun_inet: Ipv4Inet,
+    fake_ip: Ipv4Addr,
+}
+
+impl DnsRunner {
+    pub fn new(
+        peer_mgr: Arc<PeerManager>,
+        tun_dev: Option<String>,
+        tun_inet: Ipv4Inet,
+        fake_ip: Ipv4Addr,
+    ) -> Self {
+        Self {
+            client: None,
+            server: None,
+            peer_mgr,
+            tun_dev,
+            tun_inet,
+            fake_ip,
+        }
+    }
+
+    async fn clean_env(&mut self) {
+        if let Some(server) = self.server.take() {
+            server.clean_env().await;
+        }
+        self.client.take();
+    }
+
+    async fn run_once(&mut self) -> anyhow::Result<()> {
+        // try server first
+        match MagicDnsServerInstance::new(
+            self.peer_mgr.clone(),
+            self.tun_dev.clone(),
+            self.tun_inet,
+            self.fake_ip,
+        )
+        .await
+        {
+            Ok(server) => {
+                self.server = Some(server);
+                tracing::info!("DnsRunner::run_once: server started");
+            }
+            Err(e) => {
+                tracing::error!("DnsRunner::run_once: {:?}", e);
+            }
+        }
+
+        // every runner must run a client
+        let client = MagicDnsClientInstance::new(self.peer_mgr.clone()).await?;
+        self.client = Some(client);
+        self.client.as_mut().unwrap().run_and_wait().await;
+
+        return Err(anyhow::anyhow!("Client instance exit"));
+    }
+
+    pub async fn run(&mut self, canel_token: CancellationToken) {
+        loop {
+            tracing::info!("DnsRunner::run: start");
+            tokio::select! {
+                _ = canel_token.cancelled() => {
+                    self.clean_env().await;
+                    tracing::info!("DnsRunner::run: cancelled");
+                    return;
+                }
+
+                ret = self.run_once() => {
+                    self.clean_env().await;
+                    if let Err(e) = ret {
+                        tracing::error!("DnsRunner::run: {:?}", e);
+                    } else {
+                        tracing::info!("DnsRunner::run: unexpected exit, server may be down");
+                    }
+                    tokio::time::sleep(Duration::from_millis(500)).await;
+                }
+            }
+        }
+    }
+}

easytier/src/instance/dns_server/server.rs

@@ -0,0 +1,338 @@
+use anyhow::{Context, Result};
+use hickory_proto::op::Edns;
+use hickory_proto::rr;
+use hickory_proto::rr::LowerName;
+use hickory_resolver::config::ResolverOpts;
+use hickory_resolver::name_server::TokioConnectionProvider;
+use hickory_resolver::system_conf::read_system_conf;
+use hickory_server::authority::{AuthorityObject, Catalog, ZoneType};
+use hickory_server::server::{Request, RequestHandler, ResponseHandler, ResponseInfo};
+use hickory_server::store::forwarder::ForwardConfig;
+use hickory_server::store::{forwarder::ForwardAuthority, in_memory::InMemoryAuthority};
+use hickory_server::ServerFuture;
+use std::io;
+use std::net::SocketAddr;
+use std::str::FromStr;
+use std::sync::Arc;
+use std::time::Duration;
+use tokio::net::{TcpListener, UdpSocket};
+use tokio::sync::{RwLock, RwLockReadGuard, RwLockWriteGuard};
+use tokio::task::JoinSet;
+
+use crate::common::stun::get_default_resolver_config;
+
+use super::config::{GeneralConfig, Record, RunConfig};
+
+pub struct Server {
+    server: ServerFuture<CatalogRequestHandler>,
+    catalog: Arc<RwLock<Catalog>>,
+    general_config: GeneralConfig,
+    udp_local_addr: Option<SocketAddr>,
+    tcp_local_addr: Option<SocketAddr>,
+    tasks: JoinSet<()>,
+}
+
+struct CatalogRequestHandler {
+    catalog: Arc<RwLock<Catalog>>,
+}
+
+impl CatalogRequestHandler {
+    fn new(catalog: Arc<RwLock<Catalog>>) -> CatalogRequestHandler {
+        // let system_conf = read_system_conf();
+        // let recursor = match system_conf {
+        //     Ok((conf, _)) => RecursorBuilder::default().build(conf),
+        //     Err(_) => RecursorBuilder::default().build(get_default_resolver_config()),
+        // }
+        // // policy is security unware, this will never return an error
+        // .unwrap();
+
+        Self { catalog }
+    }
+}
+
+#[async_trait::async_trait]
+impl RequestHandler for CatalogRequestHandler {
+    async fn handle_request<R: ResponseHandler>(
+        &self,
+        request: &Request,
+        response_handle: R,
+    ) -> ResponseInfo {
+        self.catalog
+            .read()
+            .await
+            .handle_request(request, response_handle)
+            .await
+    }
+}
+
+pub fn build_authority(domain: &str, records: &[Record]) -> Result<InMemoryAuthority> {
+    let zone = rr::Name::from_str(domain)?;
+    let mut authority = InMemoryAuthority::empty(zone.clone(), ZoneType::Primary, false);
+    for record in records.iter() {
+        let r = record.try_into()?;
+        authority.upsert_mut(r, 0);
+    }
+    Ok(authority)
+}
+
+impl Server {
+    pub fn new(config: RunConfig) -> Self {
+        Self::try_new(config).unwrap()
+    }
+
+    fn try_new(config: RunConfig) -> Result<Self> {
+        let mut catalog = Catalog::new();
+        for (domain, records) in config.zones().iter() {
+            let zone = rr::Name::from_str(domain.as_str())?;
+            let authroty = build_authority(domain, records)?;
+            catalog.upsert(zone.clone().into(), vec![Arc::new(authroty)]);
+        }
+
+        // use forwarder authority for the root zone
+        let system_conf =
+            read_system_conf().unwrap_or((get_default_resolver_config(), ResolverOpts::default()));
+        let forward_config = ForwardConfig {
+            name_servers: system_conf
+                .0
+                .name_servers()
+                .iter()
+                .cloned()
+                .filter(|x| {
+                    !config
+                        .excluded_forward_nameservers()
+                        .contains(&x.socket_addr.ip())
+                })
+                .collect::<Vec<_>>()
+                .into(),
+            options: Some(system_conf.1),
+        };
+        let auth = ForwardAuthority::builder_with_config(
+            forward_config,
+            TokioConnectionProvider::default(),
+        )
+        .build()
+        .unwrap();
+
+        catalog.upsert(rr::Name::from_str(".")?.into(), vec![Arc::new(auth)]);
+
+        let catalog = Arc::new(RwLock::new(catalog));
+        let handler = CatalogRequestHandler::new(catalog.clone());
+        let server = ServerFuture::new(handler);
+
+        Ok(Self {
+            server,
+            catalog,
+            general_config: config.general().clone(),
+            udp_local_addr: None,
+            tcp_local_addr: None,
+            tasks: JoinSet::new(),
+        })
+    }
+
+    pub fn udp_local_addr(&self) -> Option<SocketAddr> {
+        self.udp_local_addr
+    }
+
+    pub fn tcp_local_addr(&self) -> Option<SocketAddr> {
+        self.tcp_local_addr
+    }
+
+    pub async fn register_udp_socket(&mut self, address: String) -> Result<SocketAddr> {
+        let bind_addr = SocketAddr::from_str(&address)
+            .with_context(|| format!("DNS Server failed to parse address {}", address))?;
+        let socket = socket2::Socket::new(
+            socket2::Domain::IPV4,
+            socket2::Type::DGRAM,
+            Some(socket2::Protocol::UDP),
+        )
+        .with_context(|| {
+            format!(
+                "DNS Server failed to create UDP socket for address {}",
+                address.to_string()
+            )
+        })?;
+        socket2::SockRef::from(&socket)
+            .set_reuse_address(true)
+            .with_context(|| {
+                format!(
+                    "DNS Server failed to set reuse address on socket {}",
+                    address.to_string()
+                )
+            })?;
+        socket.bind(&bind_addr.into()).with_context(|| {
+            format!("DNS Server failed to bind socket to address {}", bind_addr)
+        })?;
+        socket
+            .set_nonblocking(true)
+            .with_context(|| format!("DNS Server failed to set socket to non-blocking"))?;
+        let socket = UdpSocket::from_std(socket.into()).with_context(|| {
+            format!(
+                "DNS Server failed to convert socket to UdpSocket for address {}",
+                address.to_string()
+            )
+        })?;
+
+        let local_addr = socket
+            .local_addr()
+            .with_context(|| format!("DNS Server failed to get local address"))?;
+        self.server.register_socket(socket);
+
+        Ok(local_addr)
+    }
+
+    pub async fn run(&mut self) -> Result<()> {
+        if let Some(address) = self.general_config.listen_tcp() {
+            let tcp_listener = TcpListener::bind(address.clone())
+                .await
+                .with_context(|| format!("DNS Server failed to bind TCP address {}", address))?;
+            self.tcp_local_addr = Some(tcp_listener.local_addr()?);
+            self.server
+                .register_listener(tcp_listener, Duration::from_secs(5));
+        }
+
+        if let Some(address) = self.general_config.listen_udp() {
+            let local_addr = self.register_udp_socket(address.clone()).await?;
+            self.udp_local_addr = Some(local_addr);
+        };
+
+        Ok(())
+    }
+
+    pub async fn shutdown(&mut self) -> Result<()> {
+        self.server.shutdown_gracefully().await?;
+        Ok(())
+    }
+
+    pub async fn upsert(&self, name: LowerName, authority: Arc<dyn AuthorityObject>) {
+        self.catalog.write().await.upsert(name, vec![authority]);
+    }
+
+    pub async fn remove(&self, name: &LowerName) -> Option<Vec<Arc<dyn AuthorityObject>>> {
+        self.catalog.write().await.remove(name)
+    }
+
+    pub async fn update<R: ResponseHandler>(
+        &self,
+        update: &Request,
+        response_edns: Option<Edns>,
+        response_handle: R,
+    ) -> io::Result<ResponseInfo> {
+        self.catalog
+            .write()
+            .await
+            .update(update, response_edns, response_handle)
+            .await
+    }
+
+    pub async fn contains(&self, name: &LowerName) -> bool {
+        self.catalog.read().await.contains(name)
+    }
+
+    pub async fn lookup<R: ResponseHandler>(
+        &self,
+        request: &Request,
+        response_edns: Option<Edns>,
+        response_handle: R,
+    ) -> ResponseInfo {
+        self.catalog
+            .read()
+            .await
+            .lookup(request, response_edns, response_handle)
+            .await
+    }
+
+    pub async fn read_catalog(&self) -> RwLockReadGuard<'_, Catalog> {
+        self.catalog.read().await
+    }
+
+    pub async fn write_catalog(&self) -> RwLockWriteGuard<'_, Catalog> {
+        self.catalog.write().await
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::instance::dns_server::config::{
+        GeneralConfigBuilder, RecordBuilder, RecordType, RunConfigBuilder,
+    };
+    use anyhow::Result;
+    use hickory_client::client::{Client, ClientHandle};
+    use hickory_proto::rr;
+    use hickory_proto::runtime::TokioRuntimeProvider;
+    use hickory_proto::udp::UdpClientStream;
+    use maplit::hashmap;
+    use std::time::Duration;
+
+    #[tokio::test]
+    async fn it_works() -> Result<()> {
+        let mut server = Server::new(
+            RunConfigBuilder::default()
+                .general(GeneralConfigBuilder::default().build()?)
+                .build()?,
+        );
+        server.run().await?;
+        server.shutdown().await?;
+        Ok(())
+    }
+
+    #[tokio::test]
+    async fn can_resolve_records() -> Result<()> {
+        let configured_record = RecordBuilder::default()
+            .rr_type(RecordType::A)
+            .name("www.et.internal.".to_string())
+            .value("123.123.123.123".to_string())
+            .ttl(Duration::from_secs(60))
+            .build()?;
+        let configured_record2 = RecordBuilder::default()
+            .rr_type(RecordType::A)
+            .name("中文.et.internal.".to_string())
+            .value("123.123.123.123".to_string())
+            .ttl(Duration::from_secs(60))
+            .build()?;
+        let soa_record = RecordBuilder::default()
+            .rr_type(RecordType::SOA)
+            .name("et.internal.".to_string())
+            .value(
+                "ns.et.internal. hostmaster.et.internal. 2023101001 7200 3600 1209600 86400"
+                    .to_string(),
+            )
+            .ttl(Duration::from_secs(60))
+            .build()?;
+        let config = RunConfigBuilder::default()
+            .general(
+                GeneralConfigBuilder::default()
+                    .listen_udp("127.0.0.1:0")
+                    .build()?,
+            )
+            .zones(hashmap! {
+                "et.internal.".to_string() => vec![configured_record.clone(), soa_record.clone(), configured_record2.clone()],
+            })
+            .build()?;
+
+        let mut server = Server::new(config);
+        server.run().await?;
+
+        let local_addr = server.udp_local_addr().unwrap();
+        let stream = UdpClientStream::builder(local_addr, TokioRuntimeProvider::default()).build();
+        let (mut client, background) = Client::connect(stream).await?;
+        let background_task = tokio::spawn(background);
+        let response = client
+            .query(
+                rr::Name::from_str("www.et.internal")?,
+                rr::DNSClass::IN,
+                rr::RecordType::A,
+            )
+            .await?;
+        drop(background_task);
+
+        println!("Response: {:?}", response);
+
+        assert_eq!(response.answers().len(), 1);
+        let expected_record: rr::Record = configured_record.try_into()?;
+        assert_eq!(response.answers().first().unwrap(), &expected_record);
+
+        server.shutdown().await?;
+        Ok(())
+    }
+}

easytier/src/instance/dns_server/server_instance.rs

@@ -0,0 +1,446 @@
+// single-instance server in one machine, every easytier instance that has ip address and tun device will try create a server instance.
+
+// magic dns client will connect to this server to update the dns records.
+// magic dns server will add the dns server ip address to the tun device, and forward the dns request to the dns server
+
+// magic dns client will establish a long live tcp connection to the magic dns server, and when the server stops or crashes,
+// all the clients will exit and let the easytier instance to launch a new server instance.
+
+use std::{collections::BTreeMap, net::Ipv4Addr, str::FromStr, sync::Arc, time::Duration};
+
+use anyhow::Context;
+use cidr::Ipv4Inet;
+use dashmap::DashMap;
+use hickory_proto::rr::LowerName;
+use multimap::MultiMap;
+use pnet::packet::{
+    icmp::{self, IcmpTypes, MutableIcmpPacket},
+    ip::IpNextHeaderProtocols,
+    ipv4::{self, MutableIpv4Packet},
+    tcp::{self, MutableTcpPacket},
+    udp::{self, MutableUdpPacket},
+    MutablePacket,
+};
+
+use crate::{
+    common::{
+        ifcfg::{IfConfiger, IfConfiguerTrait},
+        PeerId,
+    },
+    instance::dns_server::{
+        config::{Record, RecordBuilder, RecordType},
+        server::build_authority,
+        DEFAULT_ET_DNS_ZONE,
+    },
+    peers::{peer_manager::PeerManager, NicPacketFilter},
+    proto::{
+        cli::Route,
+        common::{TunnelInfo, Void},
+        magic_dns::{
+            dns_record::{self},
+            DnsRecord, DnsRecordA, DnsRecordList, GetDnsRecordResponse, HandshakeRequest,
+            HandshakeResponse, MagicDnsServerRpc, MagicDnsServerRpcServer, UpdateDnsRecordRequest,
+        },
+        rpc_impl::standalone::{RpcServerHook, StandAloneServer},
+        rpc_types::controller::{BaseController, Controller},
+    },
+    tunnel::{packet_def::ZCPacket, tcp::TcpTunnelListener},
+};
+
+use super::{
+    config::{GeneralConfigBuilder, RunConfigBuilder},
+    server::Server,
+    system_config::{OSConfig, SystemConfig},
+    MAGIC_DNS_INSTANCE_ADDR,
+};
+
+static NIC_PIPELINE_NAME: &str = "magic_dns_server";
+
+pub(super) struct MagicDnsServerInstanceData {
+    dns_server: Server,
+    tun_dev: Option<String>,
+    tun_ip: Ipv4Addr,
+    fake_ip: Ipv4Addr,
+    my_peer_id: PeerId,
+
+    // zone -> (tunnel remote addr -> route)
+    route_infos: DashMap<String, MultiMap<url::Url, Route>>,
+
+    system_config: Option<Box<dyn SystemConfig>>,
+}
+
+impl MagicDnsServerInstanceData {
+    pub async fn update_dns_records<'a, T: Iterator<Item = &'a Route>>(
+        &self,
+        routes: T,
+        zone: &str,
+    ) -> Result<(), anyhow::Error> {
+        let mut records: Vec<Record> = vec![];
+        for route in routes {
+            if route.hostname.is_empty() {
+                continue;
+            }
+
+            let Some(ipv4_addr) = route.ipv4_addr.unwrap_or_default().address else {
+                continue;
+            };
+
+            let record = RecordBuilder::default()
+                .rr_type(RecordType::A)
+                .name(format!("{}.{}", route.hostname, zone))
+                .value(ipv4_addr.to_string())
+                .ttl(Duration::from_secs(1))
+                .build()?;
+
+            records.push(record);
+        }
+
+        let soa_record = RecordBuilder::default()
+            .rr_type(RecordType::SOA)
+            .name(zone.to_string())
+            .value(format!(
+                "ns.{} hostmaster.{} 2023101001 7200 3600 1209600 86400",
+                zone, zone
+            ))
+            .ttl(Duration::from_secs(60))
+            .build()?;
+        records.push(soa_record);
+
+        let authority = build_authority(zone, &records)?;
+
+        self.dns_server
+            .upsert(
+                LowerName::from_str(zone)
+                    .with_context(|| "Invalid zone name, expect fomat like \"et.net.\"")?,
+                Arc::new(authority),
+            )
+            .await;
+
+        tracing::debug!("Updated DNS records for zone {}: {:?}", zone, records);
+
+        Ok(())
+    }
+
+    pub async fn update(&self) {
+        for item in self.route_infos.iter() {
+            let zone = item.key();
+            let route_iter = item.value().flat_iter().map(|x| x.1);
+            if let Err(e) = self.update_dns_records(route_iter, zone).await {
+                tracing::error!("Failed to update DNS records for zone {}: {:?}", zone, e);
+            }
+        }
+    }
+
+    fn do_system_config(&self, zone: &str) -> Result<(), anyhow::Error> {
+        if let Some(c) = &self.system_config {
+            c.set_dns(&OSConfig {
+                nameservers: vec![self.fake_ip.to_string()],
+                search_domains: vec![zone.to_string()],
+                match_domains: vec![zone.to_string()],
+            })?;
+        }
+        Ok(())
+    }
+}
+
+#[async_trait::async_trait]
+impl MagicDnsServerRpc for MagicDnsServerInstanceData {
+    type Controller = BaseController;
+    async fn handshake(
+        &self,
+        _ctrl: Self::Controller,
+        _input: HandshakeRequest,
+    ) -> crate::proto::rpc_types::error::Result<HandshakeResponse> {
+        Ok(Default::default())
+    }
+
+    async fn update_dns_record(
+        &self,
+        ctrl: Self::Controller,
+        input: UpdateDnsRecordRequest,
+    ) -> crate::proto::rpc_types::error::Result<Void> {
+        let Some(tunnel_info) = ctrl.get_tunnel_info() else {
+            return Err(anyhow::anyhow!("No tunnel info").into());
+        };
+        let Some(remote_addr) = &tunnel_info.remote_addr else {
+            return Err(anyhow::anyhow!("No remote addr").into());
+        };
+        let zone = input.zone.clone();
+        self.route_infos
+            .entry(zone.clone())
+            .or_default()
+            .insert_many(remote_addr.clone().into(), input.routes);
+
+        self.update().await;
+        Ok(Default::default())
+    }
+
+    async fn get_dns_record(
+        &self,
+        _ctrl: Self::Controller,
+        _input: Void,
+    ) -> crate::proto::rpc_types::error::Result<GetDnsRecordResponse> {
+        let mut ret = BTreeMap::new();
+        for item in self.route_infos.iter() {
+            let zone = item.key();
+            let routes = item.value();
+            let mut dns_records = DnsRecordList::default();
+            for route in routes.iter().map(|x| x.1) {
+                dns_records.records.push(DnsRecord {
+                    record: Some(dns_record::Record::A(DnsRecordA {
+                        name: format!("{}.{}", route.hostname, zone),
+                        value: route.ipv4_addr.unwrap_or_default().address,
+                        ttl: 1,
+                    })),
+                });
+            }
+            ret.insert(zone.clone(), dns_records);
+        }
+        Ok(GetDnsRecordResponse { records: ret })
+    }
+
+    async fn heartbeat(
+        &self,
+        _ctrl: Self::Controller,
+        _input: Void,
+    ) -> crate::proto::rpc_types::error::Result<Void> {
+        Ok(Default::default())
+    }
+}
+
+#[async_trait::async_trait]
+impl NicPacketFilter for MagicDnsServerInstanceData {
+    async fn try_process_packet_from_nic(&self, zc_packet: &mut ZCPacket) -> bool {
+        let data = zc_packet.mut_payload();
+        let mut ip_packet = MutableIpv4Packet::new(data).unwrap();
+        if ip_packet.get_version() != 4 || ip_packet.get_destination() != self.fake_ip {
+            return false;
+        }
+
+        match ip_packet.get_next_level_protocol() {
+            IpNextHeaderProtocols::Udp => {
+                let Some(dns_udp_addr) = self.dns_server.udp_local_addr() else {
+                    return false;
+                };
+
+                let Some(mut udp_packet) = MutableUdpPacket::new(ip_packet.payload_mut()) else {
+                    return false;
+                };
+                if udp_packet.get_destination() == 53 {
+                    // for dns request
+                    udp_packet.set_destination(dns_udp_addr.port());
+                } else if udp_packet.get_source() == dns_udp_addr.port() {
+                    // for dns response
+                    udp_packet.set_source(53);
+                } else {
+                    return false;
+                }
+                udp_packet.set_checksum(udp::ipv4_checksum(
+                    &udp_packet.to_immutable(),
+                    &self.fake_ip,
+                    &self.tun_ip,
+                ));
+            }
+
+            IpNextHeaderProtocols::Tcp => {
+                let Some(dns_tcp_addr) = self.dns_server.tcp_local_addr() else {
+                    return false;
+                };
+
+                let Some(mut tcp_packet) = MutableTcpPacket::new(ip_packet.payload_mut()) else {
+                    return false;
+                };
+                if tcp_packet.get_destination() == 53 {
+                    // for dns request
+                    tcp_packet.set_destination(dns_tcp_addr.port());
+                } else if tcp_packet.get_source() == dns_tcp_addr.port() {
+                    // for dns response
+                    tcp_packet.set_source(53);
+                } else {
+                    return false;
+                }
+                tcp_packet.set_checksum(tcp::ipv4_checksum(
+                    &tcp_packet.to_immutable(),
+                    &self.fake_ip,
+                    &self.tun_ip,
+                ));
+            }
+
+            IpNextHeaderProtocols::Icmp => {
+                let Some(mut icmp_packet) = MutableIcmpPacket::new(ip_packet.payload_mut()) else {
+                    return false;
+                };
+                if icmp_packet.get_icmp_type() != IcmpTypes::EchoRequest {
+                    return false;
+                }
+                icmp_packet.set_icmp_type(IcmpTypes::EchoReply);
+                icmp_packet.set_checksum(icmp::checksum(&icmp_packet.to_immutable()));
+            }
+
+            _ => {
+                return false;
+            }
+        }
+
+        ip_packet.set_source(self.fake_ip);
+        ip_packet.set_destination(self.tun_ip);
+
+        ip_packet.set_checksum(ipv4::checksum(&ip_packet.to_immutable()));
+        zc_packet.mut_peer_manager_header().unwrap().to_peer_id = self.my_peer_id.into();
+
+        true
+    }
+
+    fn id(&self) -> String {
+        NIC_PIPELINE_NAME.to_string()
+    }
+}
+
+#[async_trait::async_trait]
+impl RpcServerHook for MagicDnsServerInstanceData {
+    async fn on_new_client(&self, tunnel_info: Option<TunnelInfo>) {
+        println!("New client connected: {:?}", tunnel_info);
+    }
+
+    async fn on_client_disconnected(&self, tunnel_info: Option<TunnelInfo>) {
+        println!("Client disconnected: {:?}", tunnel_info);
+        let Some(tunnel_info) = tunnel_info else {
+            return;
+        };
+        let Some(remote_addr) = tunnel_info.remote_addr else {
+            return;
+        };
+        let remote_addr = remote_addr.into();
+        for mut item in self.route_infos.iter_mut() {
+            item.value_mut().remove(&remote_addr);
+        }
+        self.route_infos.retain(|_, v| !v.is_empty());
+        self.update().await;
+    }
+}
+
+pub struct MagicDnsServerInstance {
+    rpc_server: StandAloneServer<TcpTunnelListener>,
+    pub(super) data: Arc<MagicDnsServerInstanceData>,
+    peer_mgr: Arc<PeerManager>,
+    tun_inet: Ipv4Inet,
+}
+
+fn get_system_config(
+    _tun_name: Option<&str>,
+) -> Result<Option<Box<dyn SystemConfig>>, anyhow::Error> {
+    #[cfg(target_os = "windows")]
+    {
+        use super::system_config::windows::WindowsDNSManager;
+        let tun_name = _tun_name.ok_or_else(|| anyhow::anyhow!("No tun name"))?;
+        return Ok(Some(Box::new(WindowsDNSManager::new(tun_name)?)));
+    }
+
+    #[cfg(target_os = "macos")]
+    {
+        use super::system_config::darwin::DarwinConfigurator;
+        return Ok(Some(Box::new(DarwinConfigurator::new())));
+    }
+
+    #[allow(unreachable_code)]
+    Ok(None)
+}
+
+impl MagicDnsServerInstance {
+    pub async fn new(
+        peer_mgr: Arc<PeerManager>,
+        tun_dev: Option<String>,
+        tun_inet: Ipv4Inet,
+        fake_ip: Ipv4Addr,
+    ) -> Result<Self, anyhow::Error> {
+        let tcp_listener = TcpTunnelListener::new(MAGIC_DNS_INSTANCE_ADDR.parse().unwrap());
+        let mut rpc_server = StandAloneServer::new(tcp_listener);
+        rpc_server.serve().await?;
+
+        let bind_addr = tun_inet.address();
+
+        let dns_config = RunConfigBuilder::default()
+            .general(
+                GeneralConfigBuilder::default()
+                    .listen_udp(format!("{}:0", bind_addr))
+                    .listen_tcp(format!("{}:0", bind_addr))
+                    .build()
+                    .unwrap(),
+            )
+            .excluded_forward_nameservers(vec![fake_ip.into()])
+            .build()
+            .unwrap();
+        let mut dns_server = Server::new(dns_config);
+        dns_server.run().await?;
+
+        if !tun_inet.contains(&fake_ip) && tun_dev.is_some() {
+            let cost = if cfg!(target_os = "windows") {
+                Some(4)
+            } else {
+                None
+            };
+            let ifcfg = IfConfiger {};
+            ifcfg
+                .add_ipv4_route(tun_dev.as_ref().unwrap(), fake_ip, 32, cost)
+                .await?;
+        }
+
+        let data = Arc::new(MagicDnsServerInstanceData {
+            dns_server,
+            tun_dev: tun_dev.clone(),
+            tun_ip: tun_inet.address(),
+            fake_ip,
+            my_peer_id: peer_mgr.my_peer_id(),
+            route_infos: DashMap::new(),
+            system_config: get_system_config(tun_dev.as_deref())?,
+        });
+
+        rpc_server
+            .registry()
+            .register(MagicDnsServerRpcServer::new(data.clone()), "");
+        rpc_server.set_hook(data.clone());
+
+        peer_mgr
+            .add_nic_packet_process_pipeline(Box::new(data.clone()))
+            .await;
+
+        let data_clone = data.clone();
+        tokio::task::spawn_blocking(move || data_clone.do_system_config(DEFAULT_ET_DNS_ZONE))
+            .await
+            .context("Failed to configure system")??;
+
+        Ok(Self {
+            rpc_server,
+            data,
+            peer_mgr,
+            tun_inet,
+        })
+    }
+
+    pub async fn clean_env(&self) {
+        if let Some(configer) = &self.data.system_config {
+            let ret = configer.close();
+            if let Err(e) = ret {
+                tracing::error!("Failed to close system config: {:?}", e);
+            }
+        }
+
+        if !self.tun_inet.contains(&self.data.fake_ip) && self.data.tun_dev.is_some() {
+            let ifcfg = IfConfiger {};
+            let _ = ifcfg
+                .remove_ipv4_route(&self.data.tun_dev.as_ref().unwrap(), self.data.fake_ip, 32)
+                .await;
+        }
+
+        let _ = self
+            .peer_mgr
+            .remove_nic_packet_process_pipeline(NIC_PIPELINE_NAME.to_string())
+            .await;
+    }
+}
+
+impl Drop for MagicDnsServerInstance {
+    fn drop(&mut self) {
+        println!("MagicDnsServerInstance dropped");
+    }
+}

easytier/src/instance/dns_server/system_config/darwin.rs

@@ -0,0 +1,135 @@
+use std::{
+    collections::HashSet,
+    fs::{self, OpenOptions},
+    io::{self, Write},
+    os::unix::fs::PermissionsExt,
+    path::Path,
+};
+
+use super::{OSConfig, SystemConfig};
+
+const MAC_RESOLVER_FILE_HEADER: &str = "# Added by easytier\n";
+const ETC_RESOLVER: &str = "/etc/resolver";
+const ETC_RESOLV_CONF: &str = "/etc/resolv.conf";
+
+pub struct DarwinConfigurator {}
+
+impl DarwinConfigurator {
+    pub fn new() -> Self {
+        DarwinConfigurator {}
+    }
+
+    pub fn do_close(&self) -> io::Result<()> {
+        self.remove_resolver_files(|_| true)
+    }
+
+    pub fn supports_split_dns(&self) -> bool {
+        true
+    }
+
+    pub fn do_set_dns(&self, cfg: &OSConfig) -> io::Result<()> {
+        fs::create_dir_all(ETC_RESOLVER)?;
+        let mut keep = HashSet::new();
+
+        // 写 search.easytier 文件
+        if !cfg.search_domains.is_empty() {
+            let search_file = "search.easytier";
+            keep.insert(search_file.to_string());
+            let mut content = String::from(MAC_RESOLVER_FILE_HEADER);
+            content.push_str("search");
+            for domain in &cfg.search_domains {
+                content.push(' ');
+                content.push_str(domain.trim_end_matches('.'));
+            }
+            content.push('\n');
+            Self::write_resolver_file(search_file, &content)?;
+        }
+
+        // 写 match_domains 文件
+        let mut ns_content = String::from(MAC_RESOLVER_FILE_HEADER);
+        for ns in &cfg.nameservers {
+            ns_content.push_str(&format!("nameserver {}\n", ns));
+        }
+        for domain in &cfg.match_domains {
+            let file_base = domain.trim_end_matches('.');
+            keep.insert(file_base.to_string());
+            Self::write_resolver_file(file_base, &ns_content)?;
+        }
+        // 删除未保留的 resolver 文件
+        self.remove_resolver_files(|domain| !keep.contains(domain))?;
+
+        Ok(())
+    }
+
+    fn write_resolver_file(file_name: &str, content: &str) -> io::Result<()> {
+        let path = Path::new(ETC_RESOLVER).join(file_name);
+        let mut file = OpenOptions::new()
+            .create(true)
+            .truncate(true)
+            .write(true)
+            .open(&path)?;
+        file.set_permissions(fs::Permissions::from_mode(0o644))?;
+        file.write_all(content.as_bytes())?;
+        Ok(())
+    }
+
+    fn remove_resolver_files<F>(&self, should_delete: F) -> io::Result<()>
+    where
+        F: Fn(&str) -> bool,
+    {
+        let entries = match fs::read_dir(ETC_RESOLVER) {
+            Ok(e) => e,
+            Err(e) if e.kind() == io::ErrorKind::NotFound => return Ok(()),
+            Err(e) => return Err(e),
+        };
+        for entry in entries {
+            let entry = entry?;
+            let file_type = entry.file_type()?;
+            if !file_type.is_file() {
+                continue;
+            }
+            let name = entry.file_name();
+            let name_str = name.to_string_lossy();
+            if !should_delete(&name_str) {
+                continue;
+            }
+            let full_path = entry.path();
+            let content = fs::read_to_string(&full_path)?;
+            if !content.starts_with(MAC_RESOLVER_FILE_HEADER) {
+                continue;
+            }
+            fs::remove_file(&full_path)?;
+        }
+        Ok(())
+    }
+}
+
+impl SystemConfig for DarwinConfigurator {
+    fn set_dns(&self, cfg: &OSConfig) -> io::Result<()> {
+        self.do_set_dns(cfg)
+    }
+
+    fn close(&self) -> io::Result<()> {
+        self.do_close()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[tokio::test]
+    async fn set_dns_test() -> io::Result<()> {
+        let config = OSConfig {
+            nameservers: vec!["8.8.8.8".into()],
+            search_domains: vec!["example.com".into()],
+            match_domains: vec!["test.local".into()],
+        };
+        let configurator = DarwinConfigurator::new();
+
+        configurator.set_dns(&config)?;
+        configurator.close()?;
+
+        Ok(())
+    }
+}

easytier/src/instance/dns_server/system_config/linux.rs

@@ -0,0 +1,357 @@
+// translated from tailscale #32ce1bdb48078ec4cedaeeb5b1b2ff9c0ef61a49
+
+use crate::defer;
+use anyhow::{Context, Result};
+use dbus::blocking::stdintf::org_freedesktop_dbus::Properties as _;
+use std::fs;
+use std::net::Ipv4Addr;
+use std::path::Path;
+use std::process::Command;
+use std::time::Duration;
+use version_compare::Cmp;
+
+// 声明依赖项（需要添加到Cargo.toml）
+// use dbus::blocking::Connection;
+// use nix::unistd::AccessFlags;
+// use resolv_conf::Resolver;
+
+// 常量定义
+const RESOLV_CONF: &str = "/etc/resolv.conf";
+const PING_TIMEOUT: Duration = Duration::from_secs(1);
+
+// 错误类型定义
+#[derive(Debug)]
+struct DNSConfigError {
+    message: String,
+    source: Option<anyhow::Error>,
+}
+
+// 配置环境结构体
+struct OSConfigEnv {
+    fs: Box<dyn FileSystem>,
+    dbus_ping: Box<dyn Fn(&str, &str) -> Result<()>>,
+    dbus_read_string: Box<dyn Fn(&str, &str, &str, &str) -> Result<String>>,
+    nm_is_using_resolved: Box<dyn Fn() -> Result<()>>,
+    nm_version_between: Box<dyn Fn(&str, &str) -> Result<bool>>,
+    resolvconf_style: Box<dyn Fn() -> String>,
+}
+
+// DNS管理器trait
+trait OSConfigurator: Send + Sync {
+    // 实现相关方法
+}
+
+// 文件系统操作trait
+trait FileSystem {
+    fn read_file(&self, path: &str) -> Result<Vec<u8>>;
+    fn exists(&self, path: &str) -> bool;
+}
+
+// 直接文件系统实现
+struct DirectFS;
+
+impl FileSystem for DirectFS {
+    fn read_file(&self, path: &str) -> Result<Vec<u8>> {
+        fs::read(path).context("Failed to read file")
+    }
+
+    fn exists(&self, path: &str) -> bool {
+        Path::new(path).exists()
+    }
+}
+
+/// 检查 NetworkManager 是否使用 systemd-resolved 作为 DNS 管理器
+pub fn nm_is_using_resolved() -> Result<()> {
+    // 连接系统 D-Bus
+    let conn = dbus::blocking::Connection::new_system().context("Failed to connect to D-Bus")?;
+
+    // 创建 NetworkManager DnsManager 对象代理
+    let proxy = conn.with_proxy(
+        "org.freedesktop.NetworkManager",
+        "/org/freedesktop/NetworkManager/DnsManager",
+        std::time::Duration::from_secs(1),
+    );
+
+    // 获取 Mode 属性
+    let (value,): (dbus::arg::Variant<Box<dyn dbus::arg::RefArg + 'static>>,) = proxy
+        .method_call(
+            "org.freedesktop.DBus.Properties",
+            "Get",
+            ("org.freedesktop.NetworkManager.DnsManager", "Mode"),
+        )
+        .context("Failed to get NM mode property")?;
+
+    // 检查 Mode 是否为 "systemd-resolved"
+    if value.0.as_str() != Some("systemd-resolved") {
+        return Err(anyhow::anyhow!(
+            "NetworkManager is not using systemd-resolved, found: {:?}",
+            value
+        )
+        .into());
+    }
+
+    Ok(())
+}
+
+/// 返回系统中使用的 resolvconf 实现类型（"debian" 或 "openresolv"）
+pub fn resolvconf_style() -> String {
+    // 检查 resolvconf 命令是否存在
+    if which::which("resolvconf").is_err() {
+        return String::new();
+    }
+
+    // 执行 resolvconf --version 命令
+    let output = match Command::new("resolvconf").arg("--version").output() {
+        Ok(output) => output,
+        Err(e) => {
+            // 处理命令执行错误
+            if let Some(code) = e.raw_os_error() {
+                // Debian 版本的 resolvconf 不支持 --version，返回特定错误码 99
+                if code == 99 {
+                    return "debian".to_string();
+                }
+            }
+            return String::new(); // 其他错误返回空字符串
+        }
+    };
+
+    // 检查输出是否以 "Debian resolvconf" 开头
+    if output.stdout.starts_with(b"Debian resolvconf") {
+        return "debian".to_string();
+    }
+
+    // 默认视为 openresolv
+    "openresolv".to_string()
+}
+
+// 构建配置环境
+fn new_os_config_env() -> OSConfigEnv {
+    OSConfigEnv {
+        fs: Box::new(DirectFS),
+        dbus_ping: Box::new(dbus_ping),
+        dbus_read_string: Box::new(dbus_read_string),
+        nm_is_using_resolved: Box::new(nm_is_using_resolved),
+        nm_version_between: Box::new(nm_version_between),
+        resolvconf_style: Box::new(resolvconf_style),
+    }
+}
+
+// 创建DNS配置器
+fn new_os_configurator(_interface_name: String) -> Result<()> {
+    let env = new_os_config_env();
+
+    let mode = dns_mode(&env).context("Failed to detect DNS mode")?;
+
+    tracing::info!("dns: using {} mode", mode);
+
+    // match mode.as_str() {
+    //     "direct" => Ok(Box::new(DirectManager::new(env.fs)?)),
+    //     // "systemd-resolved" => Ok(Box::new(ResolvedManager::new(
+    //     //     &logf,
+    //     //     health,
+    //     //     interface_name,
+    //     // )?)),
+    //     // "network-manager" => Ok(Box::new(NMManager::new(interface_name)?)),
+    //     // "debian-resolvconf" => Ok(Box::new(DebianResolvconfManager::new(&logf)?)),
+    //     // "openresolv" => Ok(Box::new(OpenresolvManager::new(&logf)?)),
+    //     _ => {
+    //         tracing::warn!("Unexpected DNS mode {}, using direct manager", mode);
+    //         Ok(Box::new(DirectManager::new(env.fs)?))
+    //     }
+    // }
+    Ok(())
+}
+
+use std::io::{self, BufRead, Cursor};
+
+/// 返回 `resolv.conf` 内容的拥有者（"systemd-resolved"、"NetworkManager"、"resolvconf" 或空字符串）
+pub fn resolv_owner(bs: &[u8]) -> String {
+    let mut likely = String::new();
+    let cursor = Cursor::new(bs);
+    let reader = io::BufReader::new(cursor);
+
+    for line_result in reader.lines() {
+        match line_result {
+            Ok(line) => {
+                let line = line.trim();
+                if line.is_empty() {
+                    continue;
+                }
+
+                if !line.starts_with('#') {
+                    // 第一个非注释且非空的行，直接返回当前结果
+                    return likely;
+                }
+
+                // 检查注释行中的关键字
+                if line.contains("systemd-resolved") {
+                    likely = "systemd-resolved".to_string();
+                } else if line.contains("NetworkManager") {
+                    likely = "NetworkManager".to_string();
+                } else if line.contains("resolvconf") {
+                    likely = "resolvconf".to_string();
+                }
+            }
+            Err(_) => {
+                // 读取错误（如无效 UTF-8），直接返回当前结果
+                return likely;
+            }
+        }
+    }
+
+    likely
+}
+
+// 检测DNS模式
+fn dns_mode(env: &OSConfigEnv) -> Result<String> {
+    let debug = std::cell::RefCell::new(Vec::new());
+    let dbg = |k: &str, v: &str| debug.borrow_mut().push((k.to_string(), v.to_string()));
+
+    // defer 日志记录
+    defer! {
+        if !debug.borrow().is_empty() {
+            let log_entries: Vec<String> =
+                debug.borrow().iter().map(|(k, v)| format!("{}={}", k, v)).collect();
+            tracing::info!("dns: [{}]", log_entries.join(" "));
+        }
+    };
+
+    // 检查systemd-resolved状态
+    let resolved_up =
+        (env.dbus_ping)("org.freedesktop.resolve1", "/org/freedesktop/resolve1").is_ok();
+    if resolved_up {
+        dbg("resolved-ping", "yes");
+    }
+
+    // 读取resolv.conf
+    let content = match env.fs.read_file(RESOLV_CONF) {
+        Ok(content) => content,
+        Err(e) if e.to_string().contains("NotFound") => {
+            dbg("rc", "missing");
+            return Ok("direct".to_string());
+        }
+        Err(e) => return Err(e).context("reading /etc/resolv.conf"),
+    };
+
+    // 检查resolv.conf所有者
+    match resolv_owner(&content).as_str() {
+        "systemd-resolved" => {
+            dbg("rc", "resolved");
+            // 检查是否实际使用resolved
+            if let Err(e) = resolved_is_actually_resolver(env, &dbg, &content) {
+                tracing::warn!("resolvedIsActuallyResolver error: {}", e);
+                dbg("resolved", "not-in-use");
+                return Ok("direct".to_string());
+            }
+
+            // NetworkManager检查逻辑...
+
+            Ok("systemd-resolved".to_string())
+        }
+        "resolvconf" => {
+            // resolvconf处理逻辑...
+            Ok("debian-resolvconf".to_string())
+        }
+        "NetworkManager" => {
+            // NetworkManager处理逻辑...
+            Ok("systemd-resolved".to_string())
+        }
+        _ => Ok("direct".to_string()),
+    }
+}
+
+// D-Bus ping实现
+fn dbus_ping(name: &str, object_path: &str) -> Result<()> {
+    let conn = dbus::blocking::Connection::new_system()?;
+    let proxy = conn.with_proxy(name, object_path, PING_TIMEOUT);
+    let _: () = proxy.method_call("org.freedesktop.DBus.Peer", "Ping", ())?;
+    Ok(())
+}
+
+// D-Bus读取字符串实现
+fn dbus_read_string(name: &str, object_path: &str, iface: &str, member: &str) -> Result<String> {
+    let conn = dbus::blocking::Connection::new_system()?;
+    let proxy = conn.with_proxy(name, object_path, PING_TIMEOUT);
+    let (value,): (String,) =
+        proxy.method_call("org.freedesktop.DBus.Properties", "Get", (iface, member))?;
+    Ok(value)
+}
+
+// NetworkManager版本检查
+fn nm_version_between(first: &str, last: &str) -> Result<bool> {
+    let conn = dbus::blocking::Connection::new_system()?;
+    let proxy = conn.with_proxy(
+        "org.freedesktop.NetworkManager",
+        "/org/freedesktop/NetworkManager",
+        PING_TIMEOUT,
+    );
+
+    let version: String = proxy.get("org.freedesktop.NetworkManager", "Version")?;
+    let cmp_first = version_compare::compare(&version, first).unwrap_or(Cmp::Lt);
+    let cmp_last = version_compare::compare(&version, last).unwrap_or(Cmp::Gt);
+    Ok(cmp_first == Cmp::Ge && cmp_last == Cmp::Le)
+}
+
+// 检查是否实际使用systemd-resolved
+fn resolved_is_actually_resolver(
+    env: &OSConfigEnv,
+    dbg: &dyn Fn(&str, &str),
+    content: &[u8],
+) -> Result<()> {
+    if is_libnss_resolve_used(env).is_ok() {
+        dbg("resolved", "nss");
+        return Ok(());
+    }
+
+    // 解析resolv.conf内容
+    let resolver = resolv_conf::Config::parse(content)?;
+
+    // 检查nameserver配置
+    if resolver.nameservers.is_empty() {
+        return Err(anyhow::anyhow!("resolv.conf has no nameservers"));
+    }
+
+    for ns in resolver.nameservers {
+        if ns != Ipv4Addr::new(127, 0, 0, 53).into() {
+            return Err(anyhow::anyhow!(
+                "resolv.conf doesn't point to systemd-resolved"
+            ));
+        }
+    }
+
+    dbg("resolved", "file");
+    Ok(())
+}
+
+// 检查是否使用libnss_resolve
+fn is_libnss_resolve_used(env: &OSConfigEnv) -> Result<()> {
+    let content = env.fs.read_file("/etc/nsswitch.conf")?;
+
+    for line in String::from_utf8_lossy(&content).lines() {
+        let parts: Vec<&str> = line.split_whitespace().collect();
+        if parts.first() == Some(&"hosts:") {
+            for module in parts.iter().skip(1) {
+                if *module == "dns" {
+                    return Err(anyhow::anyhow!("dns module has higher priority"));
+                }
+                if *module == "resolve" {
+                    return Ok(());
+                }
+            }
+        }
+    }
+
+    Err(anyhow::anyhow!("libnss_resolve not used"))
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn dns_mode_test() {
+        let env = new_os_config_env();
+        let mode = dns_mode(&env).unwrap();
+        println!("Detected DNS mode: {}", mode);
+    }
+}

easytier/src/instance/dns_server/system_config/mod.rs

@@ -0,0 +1,20 @@
+#[cfg(target_os = "linux")]
+pub mod linux;
+
+#[cfg(target_os = "windows")]
+pub mod windows;
+
+#[cfg(target_os = "macos")]
+pub mod darwin;
+
+#[derive(Default, Debug)]
+pub struct OSConfig {
+    pub nameservers: Vec<String>,
+    pub search_domains: Vec<String>,
+    pub match_domains: Vec<String>,
+}
+
+pub trait SystemConfig: Send + Sync {
+    fn set_dns(&self, cfg: &OSConfig) -> std::io::Result<()>;
+    fn close(&self) -> std::io::Result<()>;
+}

easytier/src/instance/dns_server/system_config/windows.rs

@@ -0,0 +1,252 @@
+use std::net::IpAddr;
+use std::process::Command;
+
+use std::io;
+use winreg::RegKey;
+
+use crate::common::ifcfg::RegistryManager;
+
+use super::{OSConfig, SystemConfig};
+
+pub fn is_windows_10_or_better() -> io::Result<bool> {
+    let hklm = winreg::enums::HKEY_LOCAL_MACHINE;
+    let key_path = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion";
+    let key = winreg::RegKey::predef(hklm).open_subkey(key_path)?;
+
+    // check CurrentMajorVersionNumber, which only exists on Windows 10 and later
+    let value_name = "CurrentMajorVersionNumber";
+    key.get_raw_value(value_name).map(|_| true)
+}
+
+// 假设 interface_guid 是你的网络接口 GUID
+pub struct InterfaceControl {
+    interface_guid: String,
+}
+
+impl InterfaceControl {
+    // 构造函数
+    pub fn new(interface_guid: &str) -> Self {
+        InterfaceControl {
+            interface_guid: interface_guid.to_string(),
+        }
+    }
+
+    // 删除注册表值（模拟 delValue）
+    fn delete_value(key: &RegKey, value_name: &str) -> io::Result<()> {
+        match key.delete_value(value_name) {
+            Ok(_) => Ok(()),
+            Err(e) => {
+                if matches!(e.kind(), io::ErrorKind::NotFound) {
+                    Ok(()) // 忽略不存在的值
+                } else {
+                    Err(e.into())
+                }
+            }
+        }
+    }
+
+    pub fn set_primary_dns(&self, resolvers: &[IpAddr], domains: &[String]) -> io::Result<()> {
+        let (ipsv4, ipsv6): (Vec<String>, Vec<String>) = resolvers
+            .iter()
+            .map(|ip| ip.to_string())
+            .partition(|ip| ip.contains('.'));
+
+        let dom_strs: Vec<String> = domains
+            .iter()
+            .map(|d| d.trim_end_matches('.').to_string())
+            .collect();
+
+        // IPv4 处理
+        if let Ok(key4) = RegistryManager::open_interface_key(
+            &self.interface_guid,
+            RegistryManager::IPV4_TCPIP_INTERFACE_PREFIX,
+        ) {
+            if ipsv4.is_empty() {
+                Self::delete_value(&key4, "NameServer")?;
+            } else {
+                key4.set_value("NameServer", &ipsv4.join(","))?;
+            }
+
+            if dom_strs.is_empty() {
+                Self::delete_value(&key4, "SearchList")?;
+            } else {
+                key4.set_value("SearchList", &dom_strs.join(","))?;
+            }
+
+            // 禁用 LLMNR（通过 DisableMulticast）
+            key4.set_value("EnableMulticast", &0u32)?;
+        }
+
+        // IPv6 处理
+        if let Ok(key6) = RegistryManager::open_interface_key(
+            &self.interface_guid,
+            RegistryManager::IPV6_TCPIP_INTERFACE_PREFIX,
+        ) {
+            if ipsv6.is_empty() {
+                Self::delete_value(&key6, "NameServer")?;
+            } else {
+                key6.set_value("NameServer", &ipsv6.join(","))?;
+            }
+
+            if dom_strs.is_empty() {
+                Self::delete_value(&key6, "SearchList")?;
+            } else {
+                key6.set_value("SearchList", &dom_strs.join(","))?;
+            }
+            key6.set_value("EnableMulticast", &0u32)?;
+        }
+
+        Ok(())
+    }
+
+    fn flush_dns(&self) -> io::Result<()> {
+        // 刷新 DNS 缓存
+        let output = Command::new("ipconfig")
+            .arg("/flushdns")
+            .output()
+            .expect("failed to execute process");
+        if !output.status.success() {
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Failed to flush DNS cache",
+            ));
+        }
+        Ok(())
+    }
+
+    // re-register DNS
+    pub fn re_register_dns(&self) -> io::Result<()> {
+        // ipconfig /registerdns
+        let output = Command::new("ipconfig")
+            .arg("/registerdns")
+            .output()
+            .expect("failed to execute process");
+        if !output.status.success() {
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Failed to register DNS",
+            ));
+        }
+        Ok(())
+    }
+}
+
+pub struct WindowsDNSManager {
+    tun_dev_name: String,
+    interface_control: InterfaceControl,
+}
+
+impl WindowsDNSManager {
+    pub fn new(tun_dev_name: &str) -> io::Result<Self> {
+        let interface_guid = RegistryManager::find_interface_guid(tun_dev_name)?;
+        Ok(WindowsDNSManager {
+            tun_dev_name: tun_dev_name.to_string(),
+            interface_control: InterfaceControl::new(&interface_guid),
+        })
+    }
+
+    pub fn set_primary_dns(&self, resolvers: &[IpAddr], domains: &[String]) -> io::Result<()> {
+        self.interface_control.set_primary_dns(resolvers, domains)?;
+        self.interface_control.flush_dns()?;
+        Ok(())
+    }
+}
+
+impl SystemConfig for WindowsDNSManager {
+    fn set_dns(&self, cfg: &OSConfig) -> io::Result<()> {
+        self.set_primary_dns(
+            &cfg.nameservers
+                .iter()
+                .map(|s| s.parse::<IpAddr>().unwrap())
+                .collect::<Vec<_>>(),
+            &cfg.match_domains,
+        )?;
+        Ok(())
+    }
+
+    fn close(&self) -> io::Result<()> {
+        Ok(())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use cidr::Ipv4Inet;
+
+    #[cfg(target_os = "windows")]
+    #[tokio::test]
+    async fn test_windows_set_primary_server() {
+        use std::{net::Ipv4Addr, str::FromStr as _, time::Duration};
+
+        use tokio_util::sync::CancellationToken;
+
+        use crate::instance::dns_server::{
+            runner::DnsRunner,
+            tests::{check_dns_record, prepare_env},
+        };
+
+        let tun_ip = Ipv4Inet::from_str("10.144.144.10/24").unwrap();
+        let (peer_mgr, virtual_nic) = prepare_env("test1", tun_ip).await;
+        let tun_name = virtual_nic.ifname().await.unwrap();
+
+        println!("dev_name: {}", tun_name);
+        let fake_ip = Ipv4Addr::from_str("100.100.100.101").unwrap();
+        let mut dns_runner = DnsRunner::new(peer_mgr, Some(tun_name.clone()), tun_ip, fake_ip);
+
+        let cancel_token = CancellationToken::new();
+        let cancel_token_clone = cancel_token.clone();
+        let t = tokio::spawn(async move {
+            dns_runner.run(cancel_token_clone).await;
+        });
+
+        // windows is slow to add a ip address, wait for a longer time for dns server ready ,with ping
+        let now = std::time::Instant::now();
+        while now.elapsed() < Duration::from_secs(15) {
+            tokio::time::sleep(Duration::from_secs(1)).await;
+            if let Ok(o) = tokio::process::Command::new("ping")
+                .arg("-n")
+                .arg("1")
+                .arg("-w")
+                .arg("100")
+                .arg(&fake_ip.to_string())
+                .output()
+                .await
+            {
+                if o.status.success() {
+                    break;
+                }
+            }
+        }
+
+        check_dns_record(&fake_ip, "test1.et.net", "10.144.144.10").await;
+
+        let dns_mgr = super::WindowsDNSManager::new(&tun_name).unwrap();
+        println!("dev_name: {}", tun_name);
+        println!("guid: {}", dns_mgr.interface_control.interface_guid);
+
+        dns_mgr
+            .interface_control
+            .set_primary_dns(
+                &["100.100.100.101".parse().unwrap()],
+                &[".et.net.".to_string()],
+            )
+            .unwrap();
+        dns_mgr.interface_control.flush_dns().unwrap();
+
+        tracing::info!("check dns record with nslookup");
+
+        // nslookup should return 10.144.144.10
+        let ret = tokio::process::Command::new("nslookup")
+            .arg("test1.et.net")
+            .output()
+            .await
+            .expect("failed to execute process");
+        assert!(ret.status.success());
+        let output = String::from_utf8_lossy(&ret.stdout);
+        println!("nslookup output: {}", output);
+        assert!(output.contains("10.144.144.10"));
+
+        cancel_token.cancel();
+        let _ = t.await;
+    }
+}

easytier/src/instance/dns_server/tests.rs

@@ -0,0 +1,134 @@
+use std::net::{Ipv4Addr, SocketAddr};
+use std::str::FromStr as _;
+use std::sync::Arc;
+use std::time::Duration;
+
+use cidr::Ipv4Inet;
+use hickory_client::client::{Client, ClientHandle as _};
+use hickory_proto::rr;
+use hickory_proto::runtime::TokioRuntimeProvider;
+use hickory_proto::udp::UdpClientStream;
+use tokio_util::sync::CancellationToken;
+
+use crate::common::global_ctx::tests::get_mock_global_ctx;
+use crate::connector::udp_hole_punch::tests::replace_stun_info_collector;
+
+use crate::instance::dns_server::runner::DnsRunner;
+use crate::instance::dns_server::server_instance::MagicDnsServerInstance;
+use crate::instance::dns_server::DEFAULT_ET_DNS_ZONE;
+use crate::instance::virtual_nic::NicCtx;
+use crate::peers::peer_manager::{PeerManager, RouteAlgoType};
+
+use crate::peers::create_packet_recv_chan;
+use crate::proto::cli::Route;
+use crate::proto::common::NatType;
+
+pub async fn prepare_env(dns_name: &str, tun_ip: Ipv4Inet) -> (Arc<PeerManager>, NicCtx) {
+    let ctx = get_mock_global_ctx();
+    ctx.set_hostname(dns_name.to_owned());
+    ctx.set_ipv4(Some(tun_ip));
+    let (s, r) = create_packet_recv_chan();
+    let peer_mgr = Arc::new(PeerManager::new(RouteAlgoType::Ospf, ctx, s));
+    peer_mgr.run().await.unwrap();
+    replace_stun_info_collector(peer_mgr.clone(), NatType::PortRestricted);
+
+    let r = Arc::new(tokio::sync::Mutex::new(r));
+    let mut virtual_nic = NicCtx::new(peer_mgr.get_global_ctx(), &peer_mgr, r);
+    virtual_nic.run(tun_ip).await.unwrap();
+
+    (peer_mgr, virtual_nic)
+}
+
+pub async fn check_dns_record(fake_ip: &Ipv4Addr, domain: &str, expected_ip: &str) {
+    let stream = UdpClientStream::builder(
+        SocketAddr::new(fake_ip.clone().into(), 53),
+        TokioRuntimeProvider::default(),
+    )
+    .build();
+    let (mut client, background) = Client::connect(stream).await.unwrap();
+    let background_task = tokio::spawn(background);
+    let response = client
+        .query(
+            rr::Name::from_str(domain).unwrap(),
+            rr::DNSClass::IN,
+            rr::RecordType::A,
+        )
+        .await
+        .unwrap();
+    drop(background_task);
+
+    println!("Response: {:?}", response);
+
+    assert_eq!(response.answers().len(), 1, "{:?}", response.answers());
+    let resp = response.answers().first().unwrap();
+    assert_eq!(
+        resp.clone().into_parts().rdata.into_a().unwrap().0,
+        expected_ip.parse::<Ipv4Addr>().unwrap()
+    );
+}
+
+#[tokio::test]
+async fn test_magic_dns_server_instance() {
+    let tun_ip = Ipv4Inet::from_str("10.144.144.10/24").unwrap();
+    let (peer_mgr, virtual_nic) = prepare_env("test1", tun_ip).await;
+    let tun_name = virtual_nic.ifname().await.unwrap();
+    let fake_ip = Ipv4Addr::from_str("100.100.100.101").unwrap();
+    let dns_server_inst =
+        MagicDnsServerInstance::new(peer_mgr.clone(), Some(tun_name), tun_ip, fake_ip)
+            .await
+            .unwrap();
+
+    let routes = vec![Route {
+        hostname: "test1".to_string(),
+        ipv4_addr: Some(Ipv4Inet::from_str("8.8.8.8/24").unwrap().into()),
+        ..Default::default()
+    }];
+    dns_server_inst
+        .data
+        .update_dns_records(routes.iter(), DEFAULT_ET_DNS_ZONE)
+        .await
+        .unwrap();
+
+    check_dns_record(&fake_ip, "test1.et.net", "8.8.8.8").await;
+}
+
+#[tokio::test]
+async fn test_magic_dns_runner() {
+    let tun_ip = Ipv4Inet::from_str("10.144.144.10/24").unwrap();
+    let (peer_mgr, virtual_nic) = prepare_env("test1", tun_ip).await;
+    let tun_name = virtual_nic.ifname().await.unwrap();
+    let fake_ip = Ipv4Addr::from_str("100.100.100.101").unwrap();
+    let mut dns_runner = DnsRunner::new(peer_mgr, Some(tun_name), tun_ip, fake_ip);
+
+    let cancel_token = CancellationToken::new();
+    let cancel_token_clone = cancel_token.clone();
+    let t = tokio::spawn(async move {
+        dns_runner.run(cancel_token_clone).await;
+    });
+    tokio::time::sleep(Duration::from_secs(3)).await;
+    check_dns_record(&fake_ip, "test1.et.net", "10.144.144.10").await;
+
+    // add a new dns runner
+    let tun_ip2 = Ipv4Inet::from_str("10.144.144.20/24").unwrap();
+    let (peer_mgr, virtual_nic) = prepare_env("test2", tun_ip2).await;
+    let tun_name2 = virtual_nic.ifname().await.unwrap();
+    let mut dns_runner2 = DnsRunner::new(peer_mgr, Some(tun_name2), tun_ip2, fake_ip);
+    let cancel_token2 = CancellationToken::new();
+    let cancel_token2_clone = cancel_token2.clone();
+    let t2 = tokio::spawn(async move {
+        dns_runner2.run(cancel_token2_clone).await;
+    });
+    tokio::time::sleep(Duration::from_secs(3)).await;
+    check_dns_record(&fake_ip, "test1.et.net", "10.144.144.10").await;
+    check_dns_record(&fake_ip, "test2.et.net", "10.144.144.20").await;
+
+    // stop runner 1, runner 2 will take over the dns server
+    cancel_token.cancel();
+    t.await.unwrap();
+
+    tokio::time::sleep(Duration::from_secs(3)).await;
+    check_dns_record(&fake_ip, "test2.et.net", "10.144.144.20").await;
+
+    cancel_token2.cancel();
+    t2.await.unwrap();
+}

easytier/src/instance/instance.rs

@@ -7,7 +7,9 @@ use std::sync::{Arc, Weak};
 use anyhow::Context;
 use cidr::Ipv4Inet;
 
+use tokio::task::JoinHandle;
 use tokio::{sync::Mutex, task::JoinSet};
+use tokio_util::sync::CancellationToken;
 
 use crate::common::config::ConfigLoader;
 use crate::common::error::Error;
@@ -34,6 +36,8 @@ use crate::proto::rpc_types::controller::BaseController;
 use crate::tunnel::tcp::TcpTunnelListener;
 use crate::vpn_portal::{self, VpnPortal};
 
+use super::dns_server::runner::DnsRunner;
+use super::dns_server::MAGIC_DNS_FAKE_IP;
 use super::listeners::ListenerManager;
 
 #[cfg(feature = "socks5")]
@@ -76,7 +80,13 @@ impl IpProxy {
 
         self.started.store(true, Ordering::Relaxed);
         self.tcp_proxy.start(true).await?;
-        self.icmp_proxy.start().await?;
+        if let Err(e) = self.icmp_proxy.start().await {
+            tracing::error!("start icmp proxy failed: {:?}", e);
+            if cfg!(not(target_os = "android")) {
+                // android may not support icmp proxy
+                return Err(e);
+            }
+        }
         self.udp_proxy.start().await?;
         Ok(())
     }
@@ -101,7 +111,49 @@ impl NicCtx {
     }
 }
 
-type ArcNicCtx = Arc<Mutex<Option<Box<dyn Any + 'static + Send>>>>;
+struct MagicDnsContainer {
+    dns_runner_task: JoinHandle<()>,
+    dns_runner_cancel_token: CancellationToken,
+}
+
+// nic container will be cleared when dhcp ip changed
+pub(crate) struct NicCtxContainer {
+    nic_ctx: Option<Box<dyn Any + 'static + Send>>,
+    magic_dns: Option<MagicDnsContainer>,
+}
+
+impl NicCtxContainer {
+    fn new(nic_ctx: NicCtx, dns_runner: Option<DnsRunner>) -> Self {
+        if let Some(mut dns_runner) = dns_runner {
+            let token = CancellationToken::new();
+            let token_clone = token.clone();
+            let task = tokio::spawn(async move {
+                let _ = dns_runner.run(token_clone).await;
+            });
+            Self {
+                nic_ctx: Some(Box::new(nic_ctx)),
+                magic_dns: Some(MagicDnsContainer {
+                    dns_runner_task: task,
+                    dns_runner_cancel_token: token,
+                }),
+            }
+        } else {
+            Self {
+                nic_ctx: Some(Box::new(nic_ctx)),
+                magic_dns: None,
+            }
+        }
+    }
+
+    fn new_with_any<T: 'static + Send>(ctx: T) -> Self {
+        Self {
+            nic_ctx: Some(Box::new(ctx)),
+            magic_dns: None,
+        }
+    }
+}
+
+type ArcNicCtx = Arc<Mutex<Option<NicCtxContainer>>>;
 
 pub struct Instance {
     inst_name: String,
@@ -233,7 +285,14 @@ impl Instance {
         arc_nic_ctx: ArcNicCtx,
         packet_recv: Arc<Mutex<PacketRecvChanReceiver>>,
     ) {
-        let _ = arc_nic_ctx.lock().await.take();
+        if let Some(old_ctx) = arc_nic_ctx.lock().await.take() {
+            if let Some(dns_runner) = old_ctx.magic_dns {
+                dns_runner.dns_runner_cancel_token.cancel();
+                tracing::debug!("cancelling dns runner task");
+                let ret = dns_runner.dns_runner_task.await;
+                tracing::debug!("dns runner task cancelled, ret: {:?}", ret);
+            }
+        };
 
         let mut tasks = JoinSet::new();
         tasks.spawn(async move {
@@ -242,14 +301,40 @@ impl Instance {
                 tracing::trace!("packet consumed by mock nic ctx: {:?}", packet);
             }
         });
-        arc_nic_ctx.lock().await.replace(Box::new(tasks));
+        arc_nic_ctx
+            .lock()
+            .await
+            .replace(NicCtxContainer::new_with_any(tasks));
 
         tracing::debug!("nic ctx cleared.");
     }
 
-    async fn use_new_nic_ctx(arc_nic_ctx: ArcNicCtx, nic_ctx: NicCtx) {
+    fn create_magic_dns_runner(
+        peer_mgr: Arc<PeerManager>,
+        tun_dev: Option<String>,
+        tun_ip: Ipv4Inet,
+    ) -> Option<DnsRunner> {
+        let ctx = peer_mgr.get_global_ctx();
+        if !ctx.config.get_flags().accept_dns {
+            return None;
+        }
+
+        let runner = DnsRunner::new(
+            peer_mgr,
+            tun_dev,
+            tun_ip,
+            MAGIC_DNS_FAKE_IP.parse().unwrap(),
+        );
+        Some(runner)
+    }
+
+    async fn use_new_nic_ctx(
+        arc_nic_ctx: ArcNicCtx,
+        nic_ctx: NicCtx,
+        magic_dns: Option<DnsRunner>,
+    ) {
         let mut g = arc_nic_ctx.lock().await;
-        *g = Some(Box::new(nic_ctx));
+        *g = Some(NicCtxContainer::new(nic_ctx, magic_dns));
         tracing::debug!("nic ctx updated.");
     }
 
@@ -339,7 +424,17 @@ impl Instance {
                             global_ctx_c.set_ipv4(None);
                             continue;
                         }
-                        Self::use_new_nic_ctx(nic_ctx.clone(), new_nic_ctx).await;
+                        let ifname = new_nic_ctx.ifname().await;
+                        Self::use_new_nic_ctx(
+                            nic_ctx.clone(),
+                            new_nic_ctx,
+                            Self::create_magic_dns_runner(
+                                peer_manager_c.clone(),
+                                ifname,
+                                ip.clone(),
+                            ),
+                        )
+                        .await;
                     }
 
                     current_dhcp_ip = Some(ip);
@@ -374,7 +469,17 @@ impl Instance {
                     self.peer_packet_receiver.clone(),
                 );
                 new_nic_ctx.run(ipv4_addr).await?;
-                Self::use_new_nic_ctx(self.nic_ctx.clone(), new_nic_ctx).await;
+                let ifname = new_nic_ctx.ifname().await;
+                Self::use_new_nic_ctx(
+                    self.nic_ctx.clone(),
+                    new_nic_ctx,
+                    Self::create_magic_dns_runner(
+                        self.peer_manager.clone(),
+                        ifname,
+                        ipv4_addr.clone(),
+                    ),
+                )
+                .await;
             }
         }
 
@@ -417,7 +522,13 @@ impl Instance {
         }
 
         #[cfg(feature = "socks5")]
-        self.socks5_server.run().await?;
+        self.socks5_server
+            .run(
+                self.kcp_proxy_src
+                    .as_ref()
+                    .map(|x| Arc::downgrade(&x.get_kcp_endpoint())),
+            )
+            .await?;
 
         self.run_rpc_server().await?;
 
@@ -605,7 +716,13 @@ impl Instance {
             .run_for_android(fd)
             .await
             .with_context(|| "add ip failed")?;
-        Self::use_new_nic_ctx(nic_ctx.clone(), new_nic_ctx).await;
+
+        let magic_dns_runner = if let Some(ipv4) = global_ctx.get_ipv4() {
+            Self::create_magic_dns_runner(peer_manager.clone(), None, ipv4)
+        } else {
+            None
+        };
+        Self::use_new_nic_ctx(nic_ctx.clone(), new_nic_ctx, magic_dns_runner).await;
         Ok(())
     }
 }

easytier/src/instance/listeners.rs

@@ -1,4 +1,4 @@
-use std::{fmt::Debug, sync::Arc};
+use std::{fmt::Debug, net::IpAddr, str::FromStr, sync::Arc};
 
 use anyhow::Context;
 use async_trait::async_trait;
@@ -54,6 +54,14 @@ pub fn is_url_host_ipv6(l: &url::Url) -> bool {
     l.host_str().map_or(false, |h| h.contains(':'))
 }
 
+pub fn is_url_host_unspecified(l: &url::Url) -> bool {
+    if let Ok(ip) = IpAddr::from_str(l.host_str().unwrap_or_default()) {
+        ip.is_unspecified()
+    } else {
+        false
+    }
+}
+
 #[async_trait]
 pub trait TunnelHandlerForListener {
     async fn handle_tunnel(&self, tunnel: Box<dyn Tunnel>) -> Result<(), Error>;
@@ -126,7 +134,10 @@ impl<H: TunnelHandlerForListener + Send + Sync + 'static + Debug> ListenerManage
             )
             .await?;
 
-            if self.global_ctx.config.get_flags().enable_ipv6 && !is_url_host_ipv6(&l) {
+            if self.global_ctx.config.get_flags().enable_ipv6
+                && !is_url_host_ipv6(&l)
+                && is_url_host_unspecified(&l)
+            {
                 let mut ipv6_listener = l.clone();
                 ipv6_listener
                     .set_host(Some("[::]".to_string().as_str()))

easytier/src/instance/mod.rs

@@ -1,3 +1,4 @@
+pub mod dns_server;
 pub mod instance;
 pub mod listeners;
 

easytier/src/instance/virtual_nic.rs

@@ -34,6 +34,9 @@ use tokio_util::bytes::Bytes;
 use tun::{AbstractDevice, AsyncDevice, Configuration, Layer};
 use zerocopy::{NativeEndian, NetworkEndian};
 
+#[cfg(target_os = "windows")]
+use crate::common::ifcfg::RegistryManager;
+
 pin_project! {
     pub struct TunStream {
         #[pin]
@@ -65,7 +68,7 @@ impl Stream for TunStream {
     fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<StreamItem>> {
         let mut self_mut = self.project();
         let mut g = ready!(self_mut.l.poll_lock(cx));
-        reserve_buf(&mut self_mut.cur_buf, 2500, 32 * 1024);
+        reserve_buf(&mut self_mut.cur_buf, 2500, 4 * 1024);
         if self_mut.cur_buf.len() == 0 {
             unsafe {
                 self_mut.cur_buf.set_len(*self_mut.payload_offset);
@@ -243,81 +246,6 @@ pub struct VirtualNic {
     ifcfg: Box<dyn IfConfiguerTrait + Send + Sync + 'static>,
 }
 
-#[cfg(target_os = "windows")]
-pub fn checkreg(dev_name: &str) -> io::Result<()> {
-    use winreg::{enums::HKEY_LOCAL_MACHINE, enums::KEY_ALL_ACCESS, RegKey};
-    let hklm = RegKey::predef(HKEY_LOCAL_MACHINE);
-    let profiles_key = hklm.open_subkey_with_flags(
-        "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\NetworkList\\Profiles",
-        KEY_ALL_ACCESS,
-    )?;
-    let unmanaged_key = hklm.open_subkey_with_flags(
-        "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\NetworkList\\Signatures\\Unmanaged",
-        KEY_ALL_ACCESS,
-    )?;
-    // collect subkeys to delete
-    let mut keys_to_delete = Vec::new();
-    let mut keys_to_delete_unmanaged = Vec::new();
-    for subkey_name in profiles_key.enum_keys().filter_map(Result::ok) {
-        let subkey = profiles_key.open_subkey(&subkey_name)?;
-        // check if ProfileName contains "et"
-        match subkey.get_value::<String, _>("ProfileName") {
-            Ok(profile_name) => {
-                if profile_name.contains("et_")
-                    || (!dev_name.is_empty() && dev_name == profile_name)
-                {
-                    keys_to_delete.push(subkey_name);
-                }
-            }
-            Err(e) => {
-                tracing::error!(
-                    "Failed to read ProfileName for subkey {}: {}",
-                    subkey_name,
-                    e
-                );
-            }
-        }
-    }
-    for subkey_name in unmanaged_key.enum_keys().filter_map(Result::ok) {
-        let subkey = unmanaged_key.open_subkey(&subkey_name)?;
-        // check if ProfileName contains "et"
-        match subkey.get_value::<String, _>("Description") {
-            Ok(profile_name) => {
-                if profile_name.contains("et_")
-                    || (!dev_name.is_empty() && dev_name == profile_name)
-                {
-                    keys_to_delete_unmanaged.push(subkey_name);
-                }
-            }
-            Err(e) => {
-                tracing::error!(
-                    "Failed to read ProfileName for subkey {}: {}",
-                    subkey_name,
-                    e
-                );
-            }
-        }
-    }
-    // delete collected subkeys
-    if !keys_to_delete.is_empty() {
-        for subkey_name in keys_to_delete {
-            match profiles_key.delete_subkey_all(&subkey_name) {
-                Ok(_) => tracing::trace!("Successfully deleted subkey: {}", subkey_name),
-                Err(e) => tracing::error!("Failed to delete subkey {}: {}", subkey_name, e),
-            }
-        }
-    }
-    if !keys_to_delete_unmanaged.is_empty() {
-        for subkey_name in keys_to_delete_unmanaged {
-            match unmanaged_key.delete_subkey_all(&subkey_name) {
-                Ok(_) => tracing::trace!("Successfully deleted subkey: {}", subkey_name),
-                Err(e) => tracing::error!("Failed to delete subkey {}: {}", subkey_name, e),
-            }
-        }
-    }
-    Ok(())
-}
-
 impl VirtualNic {
     pub fn new(global_ctx: ArcGlobalCtx) -> Self {
         Self {
@@ -358,7 +286,7 @@ impl VirtualNic {
                 }
             }
 
-            match checkreg(&dev_name) {
+            match RegistryManager::reg_delete_obsoleted_items(&dev_name) {
                 Ok(_) => tracing::trace!("delete successful!"),
                 Err(e) => tracing::error!("An error occurred: {}", e),
             }
@@ -433,6 +361,30 @@ impl VirtualNic {
         let ifname = dev.tun_name()?;
         self.ifcfg.wait_interface_show(ifname.as_str()).await?;
 
+        #[cfg(target_os = "windows")]
+        {
+            if let Ok(guid) = RegistryManager::find_interface_guid(&ifname) {
+                if let Err(e) = RegistryManager::disable_dynamic_updates(&guid) {
+                    tracing::error!(
+                        "Failed to disable dhcp for interface {} {}: {}",
+                        ifname,
+                        guid,
+                        e
+                    );
+                }
+
+                // Disable NetBIOS over TCP/IP
+                if let Err(e) = RegistryManager::disable_netbios(&guid) {
+                    tracing::error!(
+                        "Failed to disable netbios for interface {} {}: {}",
+                        ifname,
+                        guid,
+                        e
+                    );
+                }
+            }
+        }
+
         let dev = AsyncDevice::new(dev)?;
 
         let flags = self.global_ctx.config.get_flags();
@@ -476,7 +428,7 @@ impl VirtualNic {
     pub async fn add_route(&self, address: Ipv4Addr, cidr: u8) -> Result<(), Error> {
         let _g = self.global_ctx.net_ns.guard();
         self.ifcfg
-            .add_ipv4_route(self.ifname(), address, cidr)
+            .add_ipv4_route(self.ifname(), address, cidr, None)
             .await?;
         Ok(())
     }
@@ -500,38 +452,6 @@ impl VirtualNic {
     }
 }
 
-#[cfg(target_os = "windows")]
-pub fn reg_change_catrgory_in_profile(dev_name: &str) -> io::Result<()> {
-    use winreg::{enums::HKEY_LOCAL_MACHINE, enums::KEY_ALL_ACCESS, RegKey};
-    let hklm = RegKey::predef(HKEY_LOCAL_MACHINE);
-    let profiles_key = hklm.open_subkey_with_flags(
-        "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\NetworkList\\Profiles",
-        KEY_ALL_ACCESS,
-    )?;
-
-    for subkey_name in profiles_key.enum_keys().filter_map(Result::ok) {
-        let subkey = profiles_key.open_subkey_with_flags(&subkey_name, KEY_ALL_ACCESS)?;
-        match subkey.get_value::<String, _>("ProfileName") {
-            Ok(profile_name) => {
-                if !dev_name.is_empty() && dev_name == profile_name {
-                    match subkey.set_value("Category", &1u32) {
-                        Ok(_) => tracing::trace!("Successfully set Category in registry"),
-                        Err(e) => tracing::error!("Failed to set Category in registry: {}", e),
-                    }
-                }
-            }
-            Err(e) => {
-                tracing::error!(
-                    "Failed to read ProfileName for subkey {}: {}",
-                    subkey_name,
-                    e
-                );
-            }
-        }
-    }
-    Ok(())
-}
-
 pub struct NicCtx {
     global_ctx: ArcGlobalCtx,
     peer_mgr: Weak<PeerManager>,
@@ -556,7 +476,12 @@ impl NicCtx {
         }
     }
 
-    async fn assign_ipv4_to_tun_device(&self, ipv4_addr: cidr::Ipv4Inet) -> Result<(), Error> {
+    pub async fn ifname(&self) -> Option<String> {
+        let nic = self.nic.lock().await;
+        nic.ifname.as_ref().map(|s| s.to_owned())
+    }
+
+    pub async fn assign_ipv4_to_tun_device(&self, ipv4_addr: cidr::Ipv4Inet) -> Result<(), Error> {
         let nic = self.nic.lock().await;
         nic.link_up().await?;
         nic.remove_ip(None).await?;
@@ -700,6 +625,7 @@ impl NicCtx {
                             ifname.as_str(),
                             cidr.first_address(),
                             cidr.network_length(),
+                            None,
                         )
                         .await;
 
@@ -728,7 +654,7 @@ impl NicCtx {
                     #[cfg(target_os = "windows")]
                     {
                         let dev_name = self.global_ctx.get_flags().dev_name;
-                        let _ = reg_change_catrgory_in_profile(&dev_name);
+                        let _ = RegistryManager::reg_change_catrgory_in_profile(&dev_name);
                     }
 
                     self.global_ctx

easytier/src/launcher.rs

@@ -1,5 +1,6 @@
 use std::{
     collections::VecDeque,
+    net::SocketAddr,
     sync::{atomic::AtomicBool, Arc, RwLock},
 };
 
@@ -42,7 +43,7 @@ struct EasyTierData {
 
 impl Default for EasyTierData {
     fn default() -> Self {
-        let (tx, _) = broadcast::channel(100);
+        let (tx, _) = broadcast::channel(16);
         Self {
             event_subscriber: RwLock::new(tx),
             events: RwLock::new(VecDeque::new()),
@@ -144,8 +145,19 @@ impl EasyTierLauncher {
         let data_c = data.clone();
         tasks.spawn(async move {
             let mut receiver = global_ctx.subscribe();
-            while let Ok(event) = receiver.recv().await {
+            loop {
-                Self::handle_easytier_event(event, &data_c).await;
+                match receiver.recv().await {
+                    Ok(event) => {
+                        Self::handle_easytier_event(event.clone(), &data_c).await;
+                    }
+                    Err(broadcast::error::RecvError::Closed) => {
+                        break;
+                    }
+                    Err(broadcast::error::RecvError::Lagged(_)) => {
+                        // do nothing currently
+                        receiver = receiver.resubscribe();
+                    }
+                }
             }
         });
 
@@ -202,6 +214,27 @@ impl EasyTierLauncher {
         Ok(())
     }
 
+    fn check_tcp_available(port: u16) -> bool {
+        let s = format!("0.0.0.0:{}", port).parse::<SocketAddr>().unwrap();
+        std::net::TcpListener::bind(s).is_ok()
+    }
+
+    fn select_proper_rpc_port(cfg: &TomlConfigLoader) {
+        let Some(mut f) = cfg.get_rpc_portal() else {
+            return;
+        };
+
+        if f.port() == 0 {
+            for i in 15888..15900 {
+                if Self::check_tcp_available(i) {
+                    f.set_port(i);
+                    cfg.set_rpc_portal(f);
+                    break;
+                }
+            }
+        }
+    }
+
     pub fn start<F>(&mut self, cfg_generator: F)
     where
         F: FnOnce() -> Result<TomlConfigLoader, anyhow::Error> + Send + Sync,
@@ -217,6 +250,8 @@ impl EasyTierLauncher {
 
         self.running_cfg = cfg.dump();
 
+        Self::select_proper_rpc_port(&cfg);
+
         let stop_flag = self.stop_flag.clone();
 
         let instance_alive = self.instance_alive.clone();
@@ -522,7 +557,8 @@ impl NetworkConfig {
             let mut routes = Vec::<cidr::Ipv4Cidr>::with_capacity(self.routes.len());
             for route in self.routes.iter() {
                 routes.push(
-                    route.parse()
+                    route
+                        .parse()
                         .with_context(|| format!("failed to parse route: {}", route))?,
                 );
             }
@@ -543,13 +579,30 @@ impl NetworkConfig {
         if self.enable_socks5.unwrap_or_default() {
             if let Some(socks5_port) = self.socks5_port {
                 cfg.set_socks5_portal(Some(
-                    format!("socks5://0.0.0.0:{}", socks5_port)
+                    format!("socks5://0.0.0.0:{}", socks5_port).parse().unwrap(),
-                        .parse()
-                        .unwrap(),
                 ));
             }
         }
 
+        if self.mapped_listeners.len() > 0 {
+            cfg.set_mapped_listeners(Some(
+                self.mapped_listeners
+                    .iter()
+                    .map(|s| {
+                        s.parse()
+                            .with_context(|| format!("mapped listener is not a valid url: {}", s))
+                            .unwrap()
+                    })
+                    .map(|s: url::Url| {
+                        if s.port().is_none() {
+                            panic!("mapped listener port is missing: {}", s);
+                        }
+                        s
+                    })
+                    .collect(),
+            ));
+        }
+
         let mut flags = gen_default_flags();
         if let Some(latency_first) = self.latency_first {
             flags.latency_first = latency_first;
@@ -605,11 +658,22 @@ impl NetworkConfig {
 
         if self.enable_relay_network_whitelist.unwrap_or_default() {
             if self.relay_network_whitelist.len() > 0 {
-                flags.relay_network_whitelist = self.relay_network_whitelist.join(" ")
+                flags.relay_network_whitelist = self.relay_network_whitelist.join(" ");
             } else {
-                flags.relay_network_whitelist = "".to_string()
+                flags.relay_network_whitelist = "".to_string();
             }
+        }
 
+        if let Some(disable_udp_hole_punching) = self.disable_udp_hole_punching {
+            flags.disable_udp_hole_punching = disable_udp_hole_punching;
+        }
+
+        if let Some(enable_magic_dns) = self.enable_magic_dns {
+            flags.accept_dns = enable_magic_dns;
+        }
+
+        if let Some(mtu) = self.mtu {
+            flags.mtu = mtu as u32;
         }
 
         cfg.set_flags(flags);

easytier/src/peer_center/instance.rs

@@ -32,7 +32,7 @@ use super::{server::PeerCenterServer, Digest, Error};
 
 struct PeerCenterBase {
     peer_mgr: Arc<PeerManager>,
-    tasks: Arc<Mutex<JoinSet<()>>>,
+    tasks: Mutex<JoinSet<()>>,
     lock: Arc<Mutex<()>>,
 }
 
@@ -139,7 +139,7 @@ impl PeerCenterBase {
     pub fn new(peer_mgr: Arc<PeerManager>) -> Self {
         PeerCenterBase {
             peer_mgr,
-            tasks: Arc::new(Mutex::new(JoinSet::new())),
+            tasks: Mutex::new(JoinSet::new()),
             lock: Arc::new(Mutex::new(())),
         }
     }

easytier/src/peers/mod.rs

@@ -34,6 +34,10 @@ pub trait PeerPacketFilter {
 #[auto_impl::auto_impl(Arc)]
 pub trait NicPacketFilter {
     async fn try_process_packet_from_nic(&self, data: &mut ZCPacket) -> bool;
+
+    fn id(&self) -> String {
+        format!("{:p}", self)
+    }
 }
 
 type BoxPeerPacketFilter = Box<dyn PeerPacketFilter + Send + Sync>;

easytier/src/peers/peer.rs

@@ -118,9 +118,21 @@ impl Peer {
     }
 
     pub async fn add_peer_conn(&self, mut conn: PeerConn) {
-        conn.set_close_event_sender(self.close_event_sender.clone());
+        let close_event_sender = self.close_event_sender.clone();
+        let close_notifier = conn.get_close_notifier();
+        tokio::spawn(async move {
+            let conn_id = close_notifier.get_conn_id();
+            if let Some(mut waiter) = close_notifier.get_waiter().await {
+                let _ = waiter.recv().await;
+            }
+            if let Err(e) = close_event_sender.send(conn_id).await {
+                tracing::warn!(?conn_id, "failed to send close event: {}", e);
+            }
+        });
+
         conn.start_recv_loop(self.packet_recv_chan.clone()).await;
         conn.start_pingpong();
+
         self.global_ctx
             .issue_event(GlobalCtxEvent::PeerConnAdded(conn.get_conn_info()));
         self.conns.insert(conn.get_conn_id(), Arc::new(conn));

easytier/src/peers/peer_conn.rs

@@ -13,7 +13,7 @@ use futures::{StreamExt, TryFutureExt};
 use prost::Message;
 
 use tokio::{
-    sync::{broadcast, mpsc, Mutex},
+    sync::{broadcast, Mutex},
     task::JoinSet,
     time::{timeout, Duration},
 };
@@ -50,6 +50,41 @@ pub type PeerConnId = uuid::Uuid;
 const MAGIC: u32 = 0xd1e1a5e1;
 const VERSION: u32 = 1;
 
+pub struct PeerConnCloseNotify {
+    conn_id: PeerConnId,
+    sender: Arc<std::sync::Mutex<Option<broadcast::Sender<()>>>>,
+}
+
+impl PeerConnCloseNotify {
+    fn new(conn_id: PeerConnId) -> Self {
+        let (sender, _) = broadcast::channel(1);
+        Self {
+            conn_id,
+            sender: Arc::new(std::sync::Mutex::new(Some(sender))),
+        }
+    }
+
+    fn notify_close(&self) {
+        self.sender.lock().unwrap().take();
+    }
+
+    pub async fn get_waiter(&self) -> Option<broadcast::Receiver<()>> {
+        if let Some(sender) = self.sender.lock().unwrap().as_mut() {
+            let receiver = sender.subscribe();
+            return Some(receiver);
+        }
+        None
+    }
+
+    pub fn get_conn_id(&self) -> PeerConnId {
+        self.conn_id
+    }
+
+    pub fn is_closed(&self) -> bool {
+        self.sender.lock().unwrap().is_none()
+    }
+}
+
 pub struct PeerConn {
     conn_id: PeerConnId,
 
@@ -66,7 +101,7 @@ pub struct PeerConn {
     info: Option<HandshakeRequest>,
     is_client: Option<bool>,
 
-    close_event_sender: Option<mpsc::Sender<PeerConnId>>,
+    close_event_notifier: Arc<PeerConnCloseNotify>,
 
     ctrl_resp_sender: broadcast::Sender<ZCPacket>,
 
@@ -88,7 +123,7 @@ impl Debug for PeerConn {
 impl PeerConn {
     pub fn new(my_peer_id: PeerId, global_ctx: ArcGlobalCtx, tunnel: Box<dyn Tunnel>) -> Self {
         let tunnel_info = tunnel.info();
-        let (ctrl_sender, _ctrl_receiver) = broadcast::channel(100);
+        let (ctrl_sender, _ctrl_receiver) = broadcast::channel(8);
 
         let peer_conn_tunnel_filter = StatsRecorderTunnelFilter::new();
         let throughput = peer_conn_tunnel_filter.filter_output();
@@ -97,8 +132,10 @@ impl PeerConn {
 
         let (recv, sink) = (mpsc_tunnel.get_stream(), mpsc_tunnel.get_sink());
 
+        let conn_id = PeerConnId::new_v4();
+
         PeerConn {
-            conn_id: PeerConnId::new_v4(),
+            conn_id: conn_id.clone(),
 
             my_peer_id,
             global_ctx,
@@ -114,7 +151,8 @@ impl PeerConn {
 
             info: None,
             is_client: None,
-            close_event_sender: None,
+
+            close_event_notifier: Arc::new(PeerConnCloseNotify::new(conn_id)),
 
             ctrl_resp_sender: ctrl_sender,
 
@@ -267,10 +305,8 @@ impl PeerConn {
         let mut stream = self.recv.lock().await.take().unwrap();
         let sink = self.sink.clone();
         let sender = packet_recv_chan.clone();
-        let close_event_sender = self.close_event_sender.clone().unwrap();
+        let close_event_notifier = self.close_event_notifier.clone();
-        let conn_id = self.conn_id;
         let ctrl_sender = self.ctrl_resp_sender.clone();
-        let _conn_info = self.get_conn_info();
         let conn_info_for_instrument = self.get_conn_info();
 
         self.tasks.spawn(
@@ -312,9 +348,7 @@ impl PeerConn {
                 tracing::info!("end recving peer conn packet");
 
                 drop(sink);
-                if let Err(e) = close_event_sender.send(conn_id).await {
+                close_event_notifier.notify_close();
-                    tracing::error!(error = ?e, "peer conn close event send error");
-                }
 
                 task_ret
             }
@@ -335,17 +369,14 @@ impl PeerConn {
             self.throughput.clone(),
         );
 
-        let close_event_sender = self.close_event_sender.clone().unwrap();
+        let close_event_notifier = self.close_event_notifier.clone();
-        let conn_id = self.conn_id;
 
         self.tasks.spawn(async move {
             pingpong.pingpong().await;
 
             tracing::warn!(?pingpong, "pingpong task exit");
 
-            if let Err(e) = close_event_sender.send(conn_id).await {
+            close_event_notifier.notify_close();
-                tracing::warn!("close event sender error: {:?}", e);
-            }
 
             Ok(())
         });
@@ -373,8 +404,8 @@ impl PeerConn {
         ret
     }
 
-    pub fn set_close_event_sender(&mut self, sender: mpsc::Sender<PeerConnId>) {
+    pub fn get_close_notifier(&self) -> Arc<PeerConnCloseNotify> {
-        self.close_event_sender = Some(sender);
+        self.close_event_notifier.clone()
     }
 
     pub fn get_stats(&self) -> PeerConnStats {
@@ -405,6 +436,13 @@ impl PeerConn {
     }
 }
 
+impl Drop for PeerConn {
+    fn drop(&mut self) {
+        // if someone drop a conn manually, the notifier is not called.
+        self.close_event_notifier.notify_close();
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use std::sync::Arc;
@@ -496,15 +534,13 @@ mod tests {
             s_peer.do_handshake_as_server()
         );
 
-        s_peer.set_close_event_sender(tokio::sync::mpsc::channel(1).0);
         s_peer.start_recv_loop(create_packet_recv_chan().0).await;
         // do not start ping for s, s only reponde to ping from c
 
         assert!(c_ret.is_ok());
         assert!(s_ret.is_ok());
 
-        let (close_send, mut close_recv) = tokio::sync::mpsc::channel(1);
+        let close_notifier = c_peer.get_close_notifier();
-        c_peer.set_close_event_sender(close_send);
         c_peer.start_pingpong();
         c_peer.start_recv_loop(create_packet_recv_chan().0).await;
 
@@ -520,9 +556,9 @@ mod tests {
         tokio::time::sleep(Duration::from_secs(15)).await;
 
         if conn_closed {
-            assert!(close_recv.try_recv().is_ok());
+            assert!(close_notifier.is_closed());
         } else {
-            assert!(close_recv.try_recv().is_err());
+            assert!(!close_notifier.is_closed());
         }
     }
 

easytier/src/peers/peer_manager.rs

@@ -2,7 +2,7 @@ use std::{
     fmt::Debug,
     net::Ipv4Addr,
     sync::{Arc, Weak},
-    time::SystemTime,
+    time::{Instant, SystemTime},
 };
 
 use anyhow::Context;
@@ -120,7 +120,7 @@ pub struct PeerManager {
     global_ctx: ArcGlobalCtx,
     nic_channel: PacketRecvChan,
 
-    tasks: Arc<Mutex<JoinSet<()>>>,
+    tasks: Mutex<JoinSet<()>>,
 
     packet_recv: Arc<Mutex<Option<PacketRecvChanReceiver>>>,
 
@@ -249,7 +249,7 @@ impl PeerManager {
             global_ctx,
             nic_channel,
 
-            tasks: Arc::new(Mutex::new(JoinSet::new())),
+            tasks: Mutex::new(JoinSet::new()),
 
             packet_recv: Arc::new(Mutex::new(Some(packet_recv))),
 
@@ -347,21 +347,43 @@ impl PeerManager {
     async fn start_peer_conn_close_event_handler(&self) {
         let dmap = self.directly_connected_conn_map.clone();
         let mut event_recv = self.global_ctx.subscribe();
+        let peer_map = self.peers.clone();
+        use tokio::sync::broadcast::error::RecvError;
         self.tasks.lock().await.spawn(async move {
-            while let Ok(event) = event_recv.recv().await {
+            loop {
-                match event {
+                match event_recv.recv().await {
-                    GlobalCtxEvent::PeerConnRemoved(info) => {
+                    Err(RecvError::Closed) => {
-                        if let Some(set) = dmap.get_mut(&info.peer_id) {
+                        tracing::error!("peer conn close event handler exit");
-                            let conn_id = info.conn_id.parse().unwrap();
+                        break;
-                            let old = set.remove(&conn_id);
+                    }
-                            tracing::info!(
+                    Err(RecvError::Lagged(_)) => {
-                                ?old,
+                        tracing::warn!("peer conn close event handler lagged");
-                                ?info,
+                        event_recv = event_recv.resubscribe();
-                                "try remove conn id from directly connected map"
+                        let alive_conns = peer_map.get_alive_conns();
-                            );
+                        for p in dmap.iter_mut() {
+                            p.retain(|x| alive_conns.contains_key(&(*p.key(), *x)));
+                        }
+                        dmap.retain(|_, v| !v.is_empty());
+                    }
+                    Ok(event) => {
+                        if let GlobalCtxEvent::PeerConnRemoved(info) = event {
+                            let mut need_remove = false;
+                            if let Some(set) = dmap.get_mut(&info.peer_id) {
+                                let conn_id = info.conn_id.parse().unwrap();
+                                let old = set.remove(&conn_id);
+                                tracing::info!(
+                                    ?old,
+                                    ?info,
+                                    "try remove conn id from directly connected map"
+                                );
+                                need_remove = set.is_empty();
+                            }
+
+                            if need_remove {
+                                dmap.remove(&info.peer_id);
+                            }
                         }
                     }
-                    _ => {}
                 }
             }
         });
@@ -713,6 +735,10 @@ impl PeerManager {
         self.get_route().list_routes().await
     }
 
+    pub async fn get_route_peer_info_last_update_time(&self) -> Instant {
+        self.get_route().get_peer_info_last_update_time().await
+    }
+
     pub async fn dump_route(&self) -> String {
         self.get_route().dump().await
     }
@@ -745,6 +771,16 @@ impl PeerManager {
         }
     }
 
+    pub async fn remove_nic_packet_process_pipeline(&self, id: String) -> Result<(), Error> {
+        let mut pipelines = self.nic_packet_process_pipeline.write().await;
+        if let Some(pos) = pipelines.iter().position(|x| x.id() == id) {
+            pipelines.remove(pos);
+            Ok(())
+        } else {
+            Err(Error::NotFound)
+        }
+    }
+
     fn get_next_hop_policy(is_first_latency: bool) -> NextHopPolicy {
         if is_first_latency {
             NextHopPolicy::LeastCost
@@ -1130,6 +1166,7 @@ mod tests {
         let connector1 = create_connector_by_url(
             format!("{}://127.0.0.1:31013", proto1).as_str(),
             &peer_mgr_a.get_global_ctx(),
+            crate::tunnel::IpVersion::Both,
         )
         .await
         .unwrap();
@@ -1148,6 +1185,7 @@ mod tests {
         let connector2 = create_connector_by_url(
             format!("{}://127.0.0.1:31014", proto2).as_str(),
             &peer_mgr_b.get_global_ctx(),
+            crate::tunnel::IpVersion::Both,
         )
         .await
         .unwrap();

easytier/src/peers/peer_map.rs

@@ -27,6 +27,7 @@ pub struct PeerMap {
     peer_map: DashMap<PeerId, Arc<Peer>>,
     packet_send: PacketRecvChan,
     routes: RwLock<Vec<ArcRoute>>,
+    alive_conns: Arc<DashMap<(PeerId, PeerConnId), PeerConnInfo>>,
 }
 
 impl PeerMap {
@@ -37,6 +38,7 @@ impl PeerMap {
             peer_map: DashMap::new(),
             packet_send,
             routes: RwLock::new(Vec::new()),
+            alive_conns: Arc::new(DashMap::new()),
         }
     }
 
@@ -48,6 +50,7 @@ impl PeerMap {
     }
 
     pub async fn add_new_peer_conn(&self, peer_conn: PeerConn) {
+        self.maintain_alive_conns(&peer_conn);
         let peer_id = peer_conn.get_peer_id();
         let no_entry = self.peer_map.get(&peer_id).is_none();
         if no_entry {
@@ -60,6 +63,30 @@ impl PeerMap {
         }
     }
 
+    fn maintain_alive_conns(&self, peer_conn: &PeerConn) {
+        let close_notifier = peer_conn.get_close_notifier();
+        let alive_conns_weak = Arc::downgrade(&self.alive_conns);
+        let conn_id = close_notifier.get_conn_id();
+        let conn_info = peer_conn.get_conn_info();
+        self.alive_conns
+            .insert((conn_info.peer_id, conn_id.clone()), conn_info.clone());
+        tokio::spawn(async move {
+            if let Some(mut waiter) = close_notifier.get_waiter().await {
+                let _ = waiter.recv().await;
+            }
+            let mut alive_conn_count = 0;
+            if let Some(alive_conns) = alive_conns_weak.upgrade() {
+                alive_conns.remove(&(conn_info.peer_id, conn_id)).unwrap();
+                alive_conn_count = alive_conns.len();
+            }
+            tracing::debug!(
+                ?conn_id,
+                "peer conn is closed, current alive conns: {}",
+                alive_conn_count
+            );
+        });
+    }
+
     fn get_peer_by_id(&self, peer_id: PeerId) -> Option<Arc<Peer>> {
         self.peer_map.get(&peer_id).map(|v| v.clone())
     }
@@ -284,6 +311,13 @@ impl PeerMap {
 
         Ok(!self.has_peer(gateway_id))
     }
+
+    pub fn get_alive_conns(&self) -> DashMap<(PeerId, PeerConnId), PeerConnInfo> {
+        self.alive_conns
+            .iter()
+            .map(|v| (v.key().clone(), v.value().clone()))
+            .collect()
+    }
 }
 
 impl Drop for PeerMap {

easytier/src/peers/peer_ospf_route.rs

@@ -1,6 +1,7 @@
 use std::{
     collections::BTreeSet,
     fmt::Debug,
+    hash::RandomState,
     net::Ipv4Addr,
     sync::{
         atomic::{AtomicBool, AtomicU32, Ordering},
@@ -667,7 +668,7 @@ impl RouteTable {
             if *cost == 0 {
                 continue;
             }
-            let mut all_paths = all_simple_paths::<Vec<_>, _>(
+            let mut all_paths = all_simple_paths::<Vec<_>, _, RandomState>(
                 graph,
                 *idx_map.get(&my_peer_id).unwrap(),
                 *node_idx,
@@ -1029,6 +1030,8 @@ struct PeerRouteServiceImpl {
     cached_local_conn_map: std::sync::Mutex<RouteConnBitmap>,
 
     last_update_my_foreign_network: AtomicCell<Option<std::time::Instant>>,
+
+    peer_info_last_update: AtomicCell<std::time::Instant>,
 }
 
 impl Debug for PeerRouteServiceImpl {
@@ -1075,6 +1078,8 @@ impl PeerRouteServiceImpl {
             cached_local_conn_map: std::sync::Mutex::new(RouteConnBitmap::new()),
 
             last_update_my_foreign_network: AtomicCell::new(None),
+
+            peer_info_last_update: AtomicCell::new(std::time::Instant::now()),
         }
     }
 
@@ -1224,6 +1229,8 @@ impl PeerRouteServiceImpl {
     }
 
     fn update_route_table_and_cached_local_conn_bitmap(&self) {
+        self.update_peer_info_last_update();
+
         // update route table first because we want to filter out unreachable peers.
         self.update_route_table();
 
@@ -1346,6 +1353,9 @@ impl PeerRouteServiceImpl {
         if my_conn_info_updated || my_peer_info_updated {
             self.update_foreign_network_owner_map();
         }
+        if my_peer_info_updated {
+            self.update_peer_info_last_update();
+        }
         my_peer_info_updated || my_conn_info_updated || my_foreign_network_updated
     }
 
@@ -1546,6 +1556,15 @@ impl PeerRouteServiceImpl {
         }
         return false;
     }
+
+    fn update_peer_info_last_update(&self) {
+        tracing::debug!(?self, "update_peer_info_last_update");
+        self.peer_info_last_update.store(std::time::Instant::now());
+    }
+
+    fn get_peer_info_last_update(&self) -> std::time::Instant {
+        self.peer_info_last_update.load()
+    }
 }
 
 impl Drop for PeerRouteServiceImpl {
@@ -2194,6 +2213,10 @@ impl Route for PeerRoute {
             .get(&peer_id)
             .and_then(|x| x.feature_flag.clone())
     }
+
+    async fn get_peer_info_last_update_time(&self) -> Instant {
+        self.service_impl.get_peer_info_last_update()
+    }
 }
 
 impl PeerPacketFilter for Arc<PeerRoute> {}