调整运行时

Update README.md

.github/workflows/rust.yml

@@ -7,155 +7,157 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
-
+permissions:
+  contents: write
 defaults:
   run:
-    # necessary for windows
     shell: bash
 
 jobs:
-  #  test:
-  #    runs-on: ubuntu-latest
-  #    steps:
-  #      - uses: actions/checkout@v2
-  #      - name: Init submodules
-  #        uses: snickerbockers/submodules-init@v4
-  #      - name: Cargo cache
-  #        uses: actions/cache@v2
-  #        with:
-  #          path: |
-  #            ~/.cargo/registry
-  #            ./target
-  #          key: test-cargo-registry
-  #      - name: List
-  #        run: find ./
-  #      - name: Run tests
-  #        run: cargo test --verbose
-
   build:
     strategy:
       fail-fast: false
       matrix:
-        # a list of all the targets
-        # 选择使用openssl或者ring，并不是所有平台都支持
         include:
-          - TARGET: i686-unknown-linux-musl # test in an alpine container on a mac
+          - TARGET: i686-unknown-linux-musl
             OS: ubuntu-latest
-            FEATURES: default
-          - TARGET: x86_64-unknown-linux-musl # test in an alpine container on a mac
+            FEATURES: ring-cipher,openssl-vendored,wss
+          - TARGET: x86_64-unknown-linux-musl
             OS: ubuntu-latest
             FEATURES: ring-cipher,wss
-          - TARGET: aarch64-unknown-linux-musl # tested on aws t4g.nano in alpine container
+          - TARGET: aarch64-unknown-linux-musl
             OS: ubuntu-latest
             FEATURES: ring-cipher,wss
-          - TARGET: armv7-unknown-linux-musleabihf # raspberry pi 2-3-4, not tested
+          - TARGET: armv7-unknown-linux-musleabihf
             OS: ubuntu-latest
             FEATURES: ring-cipher,wss
-          - TARGET: armv7-unknown-linux-musleabi # raspberry pi 2-3-4, not tested
+          - TARGET: armv7-unknown-linux-musleabi
             OS: ubuntu-latest
             FEATURES: ring-cipher,wss
-          - TARGET: arm-unknown-linux-musleabihf # raspberry pi 0-1, not tested
+          - TARGET: arm-unknown-linux-musleabihf
             OS: ubuntu-latest
             FEATURES: ring-cipher,wss
-          - TARGET: arm-unknown-linux-musleabi # raspberry pi 0-1, not tested
+          - TARGET: arm-unknown-linux-musleabi
             OS: ubuntu-latest
             FEATURES: ring-cipher,wss
-          - TARGET: x86_64-apple-darwin # tested on a mac, is not properly signed so there are security warnings
+          - TARGET: x86_64-apple-darwin
             OS: macos-latest
             FEATURES: ring-cipher,wss
-          - TARGET: aarch64-apple-darwin # tested on a mac, is not properly signed so there are security warnings
+          - TARGET: aarch64-apple-darwin
             OS: macos-latest
             FEATURES: ring-cipher,wss
-          - TARGET: i686-pc-windows-msvc # tested on a windows machine
-            OS: windows-2019
-            FEATURES: ring-cipher,wss
-          - TARGET: x86_64-pc-windows-msvc # tested on a windows machine
+          - TARGET: i686-pc-windows-msvc
             OS: windows-latest
             FEATURES: ring-cipher,wss
-          - TARGET: mipsel-unknown-linux-musl # openwrt
+          - TARGET: x86_64-pc-windows-msvc
+            OS: windows-latest
+            FEATURES: ring-cipher,wss
+          - TARGET: mipsel-unknown-linux-musl
             OS: ubuntu-latest
             FEATURES: ring-cipher,wss
-          - TARGET: mips-unknown-linux-musl # openwrt
+          - TARGET: mips-unknown-linux-musl
             OS: ubuntu-latest
             FEATURES: ring-cipher,wss
-    # needs: test
+
     runs-on: ${{ matrix.OS }}
     env:
-      NAME: vnt-cli # change with the name of your project
+      NAME: vnt-cli
       TARGET: ${{ matrix.TARGET }}
       OS: ${{ matrix.OS }}
       FEATURES: ${{ matrix.FEATURES }}
+
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+
       - name: Init submodules
-        uses: snickerbockers/submodules-init@v4
+        run: git submodule update --init --recursive --remote && git submodule status
+
       - name: Cargo cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
             ./target
           key: build-cargo-registry-${{matrix.TARGET}}
+
       - name: Use strawberry perl
-        if: startsWith(matrix.os, 'windows')
+        if: startsWith(matrix.OS, 'windows')
         run: echo OPENSSL_SRC_PERL=C:/Strawberry/perl/bin/perl >> $GITHUB_ENV
+
       - name: List
         run: find ./
-      - name: Install and configure dependencies
+
+      - name: Install Rust toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          profile: minimal
+          override: true
+
+      - name: Verify Rust version
         run: |
-          # dependencies are only needed on ubuntu as that's the only place where
-          # we make cross-compilation
-          rustup set auto-self-update disable
-          
-          if [[ $OS =~ ^ubuntu.*$ ]]; then
-            sudo apt-get update && sudo apt-get install clang llvm libc6-dev-i386 crossbuild-essential-arm64 crossbuild-essential-armhf musl-tools libboost-all-dev libc6-dev -y
-            #  curl -s musl.cc | grep mipsel
-            case $TARGET in 
-              mipsel-unknown-linux-musl)
-                MUSL_URI=mipsel-linux-musl-cross
-                ;;
-              aarch64-unknown-linux-musl)
-                MUSL_URI=aarch64-linux-musl-cross
-                ;;
-              armv7-unknown-linux-musleabihf)
-                MUSL_URI=armv7l-linux-musleabihf-cross
-                ;;    
-              armv7-unknown-linux-musleabi)
-                MUSL_URI=armv7m-linux-musleabi-cross
-                ;;   
-              arm-unknown-linux-musleabihf)
-                MUSL_URI=arm-linux-musleabihf-cross
-                ;;    
-              arm-unknown-linux-musleabi)
-                MUSL_URI=arm-linux-musleabi-cross
-                ;;        
-              mips-unknown-linux-musl)
-                MUSL_URI=mips-linux-musl-cross
-                ;;
-            esac
-          
-            if [[ $TARGET =~ ^mips.*$ ]]; then
-              # mips平台使用1.71.1版本
-              rustup install 1.71.1
-              rustup default 1.71.1  
-            else
-              rustup install 1.77
-              rustup default 1.77
-            fi
-          
-            if [  -n "$MUSL_URI" ]; then
-              mkdir -p ./musl_gcc 
-              wget -c https://musl.cc/$MUSL_URI.tgz -P ./musl_gcc/
-              tar zxf ./musl_gcc/$MUSL_URI.tgz -C ./musl_gcc/
-              sudo ln -s $(pwd)/musl_gcc/$MUSL_URI/bin/*gcc /usr/bin/
-            fi
-          else
-            rustup install 1.77
-            rustup default 1.77 
+          rustc --version
+          cargo --version
+
+      - name: Install dependencies on Ubuntu
+        if: startsWith(matrix.OS, 'ubuntu')
+        run: |
+          sudo apt-get update && sudo apt-get install -y clang llvm libc6-dev-i386 \
+            crossbuild-essential-arm64 crossbuild-essential-armhf musl-tools libboost-all-dev libc6-dev wget tar
+
+          # Install musl cross toolchains if needed
+          case $TARGET in
+            mipsel-unknown-linux-musl)
+              MUSL_URI=mipsel-linux-muslsf-cross
+              URL=mipsel-linux-muslsf
+              ;;
+            aarch64-unknown-linux-musl)
+              MUSL_URI=aarch64-linux-musl-cross
+              ;;
+            armv7-unknown-linux-musleabihf)
+              MUSL_URI=armv7l-linux-musleabihf-cross
+              ;;    
+            armv7-unknown-linux-musleabi)
+              MUSL_URI=armv7m-linux-musleabi-cross
+              ;;   
+            arm-unknown-linux-musleabihf)
+              MUSL_URI=arm-linux-musleabihf-cross
+              ;;    
+            arm-unknown-linux-musleabi)
+              MUSL_URI=arm-linux-musleabi-cross
+              ;;        
+            mips-unknown-linux-musl)
+              MUSL_URI=mips-linux-muslsf-cross
+              URL=mips-linux-muslsf
+              ;;
+            i686-unknown-linux-musl)
+              MUSL_URI=i686-linux-musl-cross
+              ;;
+          esac
+
+          if [ -n "$MUSL_URI" ]; then
+            mkdir -p /opt/musl_gcc
+            wget -c https://github.com/rustp2p/musl-cross/releases/download/0.0.1/$MUSL_URI.tgz -P /opt/musl_gcc/
+            tar zxf /opt/musl_gcc/$MUSL_URI.tgz -C /opt/musl_gcc/
+            sudo ln -s /opt/musl_gcc/$MUSL_URI/bin/*gcc /usr/bin/
           fi
-          rustup -V
-          
-          # some additional configuration for cross-compilation on linux
+
+          if [[ $TARGET =~ ^mips.*$ ]]; then
+            cd /opt/musl_gcc/${URL}-cross/lib/gcc/${URL}/11.2.1
+            cp libgcc_eh.a libunwind.a
+            rustup toolchain install nightly-x86_64-unknown-linux-gnu
+            rustup component add rust-src --toolchain nightly-x86_64-unknown-linux-gnu
+            RUST_LIB_SRC=$HOME/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/
+            if [[ -f $RUST_LIB_SRC/library/Cargo.lock && ! -f $RUST_LIB_SRC/Cargo.lock ]]; then 
+               cp -f $RUST_LIB_SRC/library/Cargo.lock $RUST_LIB_SRC/Cargo.lock
+            fi
+          fi
+
+           rustup -V
+
+
+      - name: Configure cargo for cross-compilation
+        run: |
           cat >>~/.cargo/config <<EOF
           [target.x86_64-unknown-linux-musl]
           rustflags = ["-C", "target-feature=+crt-static","-C", "strip=symbols"]
@@ -175,11 +177,17 @@ jobs:
           linker = "arm-linux-musleabi-gcc"
           rustflags = ["-C", "target-feature=+crt-static","-C", "strip=symbols"]
           [target.mipsel-unknown-linux-musl]
-          linker = "mipsel-linux-musl-gcc"
-          rustflags = ["-C", "target-feature=+crt-static","-C", "strip=symbols"]
+          linker = "mipsel-linux-muslsf-gcc"
+          rustflags = ["-C", "target-feature=+crt-static","-C", "strip=symbols","-C", "link-arg=-static",
+          "-C", "relocation-model=static","-C", "link-arg=-no-pie","--cfg", "compiler_builtins_no_debug",
+          "-L", "/opt/musl_gcc/mipsel-linux-muslsf-cross/mipsel-linux-muslsf/lib",
+          "-L", "/opt/musl_gcc/mipsel-linux-muslsf-cross/lib/gcc/mipsel-linux-muslsf/11.2.1"]
           [target.mips-unknown-linux-musl]
-          linker = "mips-linux-musl-gcc"
-          rustflags = ["-C", "target-feature=+crt-static","-C", "strip=symbols"]
+          linker = "mips-linux-muslsf-gcc"
+          rustflags = ["-C", "target-feature=+crt-static","-C", "strip=symbols","-C", "link-arg=-static",
+          "-C", "relocation-model=static","-C", "link-arg=-no-pie","--cfg", "compiler_builtins_no_debug",
+          "-L", "/opt/musl_gcc/mips-linux-muslsf-cross/mips-linux-muslsf/lib",
+          "-L", "/opt/musl_gcc/mips-linux-muslsf-cross/lib/gcc/mips-linux-muslsf/11.2.1"]
           [target.x86_64-pc-windows-msvc]
           rustflags = ["-C", "target-feature=+crt-static","-C", "strip=symbols"]    
           [target.i686-pc-windows-msvc]
@@ -189,20 +197,34 @@ jobs:
           [target.aarch64-apple-darwin]
           rustflags = ["-C", "target-feature=+crt-static","-C", "strip=symbols"]     
           [target.i686-unknown-linux-musl]
-          rustflags = ["-C", "target-feature=+crt-static","-C", "strip=symbols"]    
+          linker = "i686-linux-musl-gcc"
+          rustflags = ["-C", "target-feature=+crt-static","-C", "strip=symbols"]   
           EOF
+
       - name: Install rust target
+        if: ${{ ! endsWith(matrix.TARGET, 'freebsd') &&  ! startsWith(matrix.TARGET, 'mips') }}
         run: rustup target add $TARGET
+
       - name: Run build vn-link-cli
-        run: cargo build --package vn-link-cli --release --verbose --target $TARGET --features $FEATURES
+        run: |
+          if [[ $TARGET =~ ^mips.*$ ]]; then
+            cargo +nightly build --package vn-link-cli --release --target $TARGET -Z build-std=std,panic_abort --features $FEATURES
+          else
+            cargo build --package vn-link-cli --release --target $TARGET --features $FEATURES
+          fi
+
       - name: Run build vnt-cli
-        run: cargo build --package vnt-cli --release --verbose --target $TARGET --features $FEATURES
+        run: |
+          if [[ $TARGET =~ ^mips.*$ ]]; then
+            cargo +nightly build --package vnt-cli --release --target $TARGET -Z build-std=std,panic_abort --features $FEATURES
+          else
+            cargo build --package vnt-cli --release --target $TARGET --features $FEATURES
+          fi
       - name: List target
         run: find ./target
       - name: Compress
         run: |
           mkdir -p ./artifacts
-          # windows is the only OS using a different convention for executable file name
           if [[ $OS =~ ^windows.*$ ]]; then
               EXEC_VNT_CLI=vnt-cli.exe
               EXEC_VN_LINK_CLI=vn-link-cli.exe
@@ -220,30 +242,31 @@ jobs:
           mv ./README ./artifacts/README.txt
           cd ./artifacts
           tar -czf vnt-$TARGET-$TAG.tar.gz *
+          mkdir upload_file
+          mv vnt-$TARGET-$TAG.tar.gz ./upload_file/
+
       - name: Archive artifact
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
-          name: vnt-cli
-          path: |
-            ./artifacts
-  # deploys to github releases on tag
+          name: vnt-cli-${{ matrix.TARGET }}
+          path: ./artifacts/upload_file
+
   deploy:
     if: startsWith(github.ref, 'refs/tags/')
     needs: build
     runs-on: ubuntu-latest
     steps:
       - name: Download artifacts
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
-          name: vnt-cli
           path: ./artifacts
       - name: List
         run: find ./artifacts
       - name: Release
         uses: svenstaro/upload-release-action@v2
         with:
-          repo_token: ${{ secrets.YOURTOKEN }}
-          file: ./artifacts/*.tar.gz
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: ./artifacts/**/*.tar.gz
           tag: ${{ github.ref }}
           overwrite: true
-          file_glob: true
+          file_glob: true

Cargo.lock

@@ -1,2511 +0,0 @@
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-# It is not intended for manual editing.
-version = 3
-
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README.md

@@ -1,12 +1,12 @@
-# Vnt
+# VNT
 
-A virtual network tool (VPN)
+🚀An efficient VPN
 
-将不同网络下的多个设备虚拟到一个局域网下
+🚀一个简单、高效、能快速组建虚拟局域网的工具
 
 ### vnt-cli参数详解 [参数说明](https://github.com/vnt-dev/vnt/blob/main/vnt-cli/README.md)
 
-### 快速使用：
+### 快速开始：
 
 1. 指定一个token，在多台设备上运行该程序，例如：
     ```shell
@@ -42,24 +42,23 @@ A virtual network tool (VPN)
       <img width="506" alt="ssh" src="https://raw.githubusercontent.com/vnt-dev/vnt/main/documents/img/ssh.jpg">
 5. 帮助，使用-h命令查看
 
-### 更多玩法
-
-1. 和远程桌面(如mstsc)搭配，超低延迟的体验
-2. 安装samba服务，共享磁盘
-3. 搭配公网服务器nginx反向代理，在公网访问内网文件或服务
-4. 点对网,访问内网其他机器、IP代理(结合启动参数'-i'和'-o')
-
 ### 使用须知
 
 - token的作用是标识一个虚拟局域网，当使用公共服务器时，建议使用一个唯一值当token(比如uuid)，否则有可能连接到其他人创建的虚拟局域网中
 - 默认使用公共服务器做注册和中继，目前的配置是2核4G 4Mbps，有需要再扩展~
-- 需要root/管理员权限
 - vnt-cli需要使用命令行运行
 - Mac和Linux下需要加可执行权限(例如:chmod +x ./vnt-cli)
-- 可以自己搭注册和中继服务器([server](https://github.com/vnt-dev/vnts))
-- vnt使用stun服务器探测网络NAT类型，默认使用谷歌和腾讯的stun服务器，也可自己搭建(-e参数指定)
+- 可以自己搭中继服务器([server](https://github.com/vnt-dev/vnts))
 
-### 编译
+### 直接使用
+
+[**下载release文件**](https://github.com/vnt-dev/vnt/releases)
+
+[**帮助文档**](https://rustvnt.com)
+
+### 自行编译
+
+<details> <summary>点击展开</summary>
 
 前提条件:安装rust编译环境([install rust](https://www.rust-lang.org/zh-CN/tools/install))
 
@@ -91,82 +90,9 @@ features说明
 | file_config       | yaml配置文件                       | 是    |
 | lz4               | lz4压缩                          | 是    |
 | zstd              | zstd压缩                         | 否    |
-
-### ip转发/代理
-
-如果编译时去除了内置的ip代理(或使用--no-proxy关闭了代理)，则可以使用网卡NAT转发来实现点对网，
-一般来说使用网卡NAT转发会比内置的ip代理性能更好
-<details> <summary>NAT配置可参考如下示例,点击展开</summary>
-
-### 在出口一端做如下配置
-
-注意原有的-i(入口)和-o(出口)的参数不能少
-
-### windows
-
-参考 https://learn.microsoft.com/zh-cn/virtualization/hyper-v-on-windows/user-guide/setup-nat-network
-
-```shell
-#设置nat,名字可以自己取，网段是vnt的网段
-New-NetNat -Name vntnat -InternalIPInterfaceAddressPrefix 10.26.0.0/24
-#查看设置
-Get-NetNat
-```
-
-### linux
-
-```shell
-# 开启ip转发
-sudo sysctl -w net.ipv4.ip_forward=1
-# 开启nat转发  表示来源10.26.0.0/24的数据通过nat映射后再从vnt-tun以外的其他网卡发出去
-sudo iptables -t nat -A POSTROUTING ! -o vnt-tun -s 10.26.0.0/24 -j MASQUERADE
-# 或者这样  表示来源10.26.0.0/24的数据通过nat映射后再从eth0网卡发出去
-sudo iptables -t nat -A POSTROUTING  -o eth0 -s 10.26.0.0/24 -j MASQUERADE
-# 查看设置
-iptables -vnL -t nat
-```
-
-### Arch Linux
-
-[![Packaging status](https://repology.org/badge/vertical-allrepos/vnt.svg)](https://repology.org/project/vnt/versions)
-
-- 通过 AUR 安装 [vnt-git](https://aur.archlinux.org/packages/vnt-git)
-
-```bash
-yay -Syu vnt
-```
-
-- 通过 `systemd` 设置开机自启及配置
-
-```bash
-sudo systemctl enable --now vnt-cli@
-sudo systemctl status vnt-cli@
-```
-
-- 启用内置 `IPv4` 转发规则
-
-```bash
-sudo sysctl --system
-```
-
-- 通过内置防火墙文件配置防火墙转发规则
-
-```bash
-sudo cat /etc/vnt/iptables-vnt.rules >> /etc/iptables/iptables.rules
-sudo iptables-restore iptables.rules
-```
-
-### macos
-
-```shell
-# 开启ip转发
-sudo sysctl -w net.ipv4.ip_forward=1
-# 配置NAT转发规则
-# 在/etc/pf.conf文件中添加以下规则,en0是出口网卡，10.26.0.0/24是来源网段
-nat on en0 from 10.26.0.0/24 to any -> (en0)
-# 加载规则
-sudo pfctl -f /etc/pf.conf -e
-```
+| upnp              | upnp协议                         | 否    |
+| ws                | ws协议                           | 是    |
+| wss               | wss协议                          | 是    |
 
 </details>
 
@@ -176,7 +102,7 @@ sudo pfctl -f /etc/pf.conf -e
 - Linux
 - Windows
     - 默认使用tun网卡 依赖wintun.dll([win-tun](https://www.wintun.net/))(将dll放到同目录下，建议使用版本0.14.1)
-    - 使用tap网卡 依赖tap-windows([win-tap](https://build.openvpn.net/downloads/releases/))(建议使用版本9.24.7)
+    - 可选择使用tap网卡 依赖tap-windows([win-tap](https://build.openvpn.net/downloads/releases/))(建议使用版本9.24.7)
 - Android
 
 ### GUI
@@ -186,50 +112,28 @@ sudo pfctl -f /etc/pf.conf -e
 ### 特性
 
 - IP层数据转发
-    - tun虚拟网卡
-    - tap虚拟网卡
 - NAT穿透
     - 点对点穿透
     - 服务端中继转发
     - 客户端中继转发
-- IP代理
+- IP代理(点对点、点对网)
 - p2p组播/广播
-- 客户端数据加密
-- 服务端数据加密
+- 客户端数据加密(`aes-gcm`、`chacha20-poly1305`等多种加密算法)
+- 服务端数据加密(`rsa` + `aes-gcm`)
+- 多通道UDP应对QOS
+- 支持TCP、UDP、WebSocket等多种协议
+- 支持数据压缩
 
-### 结构
+### 更多玩法
 
-<details> <summary>展开</summary>
-
-<pre>
-    
-   0                                            15                                              31
-   0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |e |s |unused| 版本(4)  |      协议(8)        |     上层协议(8)        |初始ttl(4)|生存时间(4)  |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                        源ip地址(32)                                         |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                        目的ip地址(32)                                       |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                          数据体(n)                                          |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |                                                                                             |
-  |                                          指纹(96)                                           |
-  |                                                                                             |
-  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  注：
-  1. e为是否加密标志，s为服务端通信包标志，unused占两位未使用；
-  2. 开启加密时，数据体为加密后的密文(加密方式取决于密码长度和加密模式)，
-     且会存在指纹，指纹使用sha256生成，用于对数据包完整性和真实性的校验
-</pre>
-
-
-</details>
+1. 和远程桌面(如mstsc)搭配，超低延迟的体验
+2. 安装samba服务，共享磁盘
+3. 点对网,访问内网其他机器、IP代理(结合启动参数'-i'和'-o')
 
 ### Todo
 
-- 桌面UI(测试中)
+- ~~桌面UI(已支持)~~
+- 使用FEC、ARQ等方式提升弱网环境的稳定性
 
 ### 常见问题
 
@@ -287,8 +191,14 @@ vnt默认使用10.26.0.0/24网段，和本地网络适配器的ip冲突
 
 对VNT有任何问题均可以加群联系作者
 
-QQ: 1034868233
+QQ群1: 1034868233(满人)
+
+QQ群2: 950473757
+
+QQ群3: 1060550456
+
 ### 赞助
+
 如果VNT对你有帮助，欢迎打赏作者
 
  <img width="300" alt="" src="https://github.com/vnt-dev/vnt/assets/49143209/0d3a7311-43fc-4ed7-9507-863b5d69b6b2">

common/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "common"
-version = "1.2.12"
+version = "1.2.16"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

common/src/callback.rs

@@ -10,7 +10,7 @@ impl VntCallback for VntHandler {
     fn success(&self) {
         println!(" {} ", style("====== Connect Successfully ======").green())
     }
-    #[cfg(feature = "vnt-model")]
+    #[cfg(feature = "integrated_tun")]
     fn create_tun(&self, info: vnt::DeviceInfo) {
         println!("create_tun {}", info)
     }
@@ -37,7 +37,8 @@ impl VntCallback for VntHandler {
             | ErrorType::AddressExhausted
             | ErrorType::IpAlreadyExists
             | ErrorType::InvalidIp
-            | ErrorType::LocalIpExists => {
+            | ErrorType::LocalIpExists
+            | ErrorType::FailedToCrateDevice => {
                 self.stop();
             }
             _ => {}

common/src/cli.rs

@@ -76,6 +76,7 @@ pub fn parse_args_config() -> anyhow::Result<Option<(Config, Vec<String>, bool)>
     opts.optmulti("", "vnt-mapping", "vnt-mapping", "<mapping>");
     opts.optopt("f", "", "配置文件", "<conf>");
     opts.optopt("", "compressor", "压缩算法", "<lz4>");
+    opts.optopt("", "local-dev", "指定本地ipv4网卡名称", "<NAME>");
     opts.optflag("", "disable-stats", "关闭流量统计");
     opts.optflag("", "allow-wg", "允许接入WireGuard");
     //"后台运行时,查看其他设备列表"
@@ -140,9 +141,6 @@ pub fn parse_args_config() -> anyhow::Result<Option<(Config, Vec<String>, bool)>
             print_usage(&program, opts);
             return Err(anyhow::anyhow!("parameter -k not found ."));
         }
-        #[cfg(target_os = "windows")]
-        #[cfg(feature = "integrated_tun")]
-        let tap = matches.opt_present("a");
         #[cfg(feature = "integrated_tun")]
         let device_name = matches.opt_str("nic");
         let token: String = matches.opt_get("k").unwrap().unwrap();
@@ -283,6 +281,8 @@ pub fn parse_args_config() -> anyhow::Result<Option<(Config, Vec<String>, bool)>
         #[cfg(feature = "port_mapping")]
         let port_mapping_list = matches.opt_strs("mapping");
         let vnt_mapping_list = matches.opt_strs("vnt-mapping");
+        let local_dev: Option<String> = matches.opt_get("local-dev").unwrap();
+
         let disable_stats = matches.opt_present("disable-stats");
         let allow_wire_guard = matches.opt_present("allow-wg");
         let compressor = if let Some(compressor) = matches.opt_str("compressor").as_ref() {
@@ -292,10 +292,10 @@ pub fn parse_args_config() -> anyhow::Result<Option<(Config, Vec<String>, bool)>
         } else {
             Compressor::None
         };
-        let config = match Config::new(
+        let config = Config::new(
             #[cfg(feature = "integrated_tun")]
             #[cfg(target_os = "windows")]
-            tap,
+            false,
             token,
             device_id,
             name,
@@ -326,13 +326,8 @@ pub fn parse_args_config() -> anyhow::Result<Option<(Config, Vec<String>, bool)>
             compressor,
             !disable_stats,
             allow_wire_guard,
-        ) {
-            Ok(config) => config,
-            Err(e) => {
-                println!("config error: {}", e);
-                std::process::exit(1);
-            }
-        };
+            local_dev,
+        )?;
         (config, vnt_mapping_list, cmd)
     };
     println!("version {}", vnt::VNT_VERSION);
@@ -353,17 +348,16 @@ fn get_description(key: &str, language: &str) -> String {
         ("-d <id>", ("设备唯一标识符,不使用--ip参数时,服务端凭此参数分配虚拟ip,注意不能重复", "Device unique identifier, used by the server to allocate virtual IP when --ip parameter is not used, must be unique")),
         ("-s <server>", ("注册和中继服务器地址,协议支持使用tcp://和ws://和wss://,默认为udp://", "Registration and relay server address, protocols support using tcp://, ws://, and wss://, default is udp://")),
         ("-e <stun-server>", ("stun服务器,用于探测NAT类型,可使用多个地址,如-e stun.miwifi.com -e turn.cloudflare.com", "STUN server for detecting NAT type, can specify multiple addresses, e.g., -e stun.miwifi.com -e turn.cloudflare.com")),
-        ("-a", ("使用tap模式,默认使用tun模式,使用tap时需要配合'--nic'参数指定tap网卡", "Use tap mode, default is tun mode, specify '--nic' parameter with tap network card")),
         ("-i <in-ip>", ("配置点对网(IP代理)时使用,-i 192.168.0.0/24,10.26.0.3表示允许接收网段192.168.0.0/24的数据并转发到10.26.0.3,可指定多个网段", "Used when configuring point-to-point network (IP proxy), -i 192.168.0.0/24,10.26.0.3 allows receiving data from subnet 192.168.0.0/24 and forwarding to 10.26.0.3, specify multiple subnets")),
         ("-o <out-ip>", ("配置点对网时使用,-o 192.168.0.0/24表示允许将数据转发到192.168.0.0/24,可指定多个网段", "Used when configuring point-to-point network, -o 192.168.0.0/24 allows forwarding data to 192.168.0.0/24, specify multiple subnets")),
         ("-w <password>", ("使用该密码生成的密钥对客户端数据进行加密,并且服务端无法解密,使用相同密码的客户端才能通信", "Encrypt client data with keys generated by this password, server cannot decrypt, clients must use the same password to communicate")),
         ("-W", ("加密当前客户端和服务端通信的数据,请留意服务端指纹是否正确", "Encrypt the data currently being communicated between the client and server, please pay attention to whether the server fingerprint is correct")),
-        ("-u <mtu>", ("自定义mtu(不加密默认为1450，加密默认为1410", "Customize MTU (1450 by default without encryption, 1410 with encryption)")),
+        ("-u <mtu>", ("自定义mtu(默认为1420)", "Customize MTU (default is 1420)")),
         ("-f <conf_file>", ("读取配置文件中的配置", "Read configuration from file")),
         ("--ip <ip>", ("指定虚拟ip,指定的ip不能和其他设备重复,必须有效并且在服务端所属网段下,默认情况由服务端分配", "Specify virtual IP, must be unique and valid within server subnet, by default allocated by server")),
-        ("--model <model>", ("加密模式(默认aes_gcm),可选值{}", "Encryption mode (default aes_gcm), options {}")),
+        ("--model <model>", ("加密模式(默认aes_gcm),可选值", "Encryption mode (default aes_gcm), options ")),
         ("--finger", ("增加数据指纹校验,可增加安全性,如果服务端开启指纹校验,则客户端也必须开启", "Add data fingerprint verification for increased security, client must enable if server does")),
-        ("--punch <punch>", ("取值ipv4/ipv6/all,ipv4表示仅使用ipv4打洞", "Values ipv4/ipv6/all, ipv4 for IPv4 hole punching only")),
+        ("--punch <punch>", ("取值ipv4/ipv6/ipv4-tcp/ipv4-udp/ipv6-tcp/ipv6-udp/all,ipv4表示仅使用ipv4打洞", "Values ipv4/ipv6/ipv4-tcp/ipv4-udp/ipv6-tcp/ipv6-udp/all, ipv4 for IPv4 hole punching only")),
         ("--ports <port,port>", ("取值0~65535,指定本地监听的一组端口,默认监听两个随机端口,使用过多端口会增加网络负担", "Values 0~65535, specify a group of local listening ports, defaults to two random ports, using many ports increases network load")),
         ("--cmd", ("开启交互式命令,使用此参数开启控制台输入", "Enable interactive command mode, use this parameter to enable console input")),
         ("--no-proxy", ("关闭内置代理,如需点对网则需要配置网卡NAT转发", "Disable built-in proxy, configure network card NAT forwarding for point-to-point networking")),
@@ -371,14 +365,16 @@ fn get_description(key: &str, language: &str) -> String {
         ("--use-channel <p2p>", ("使用通道 relay/p2p/all,默认两者都使用", "Use channel relay/p2p/all, defaults to using both")),
         ("--nic <tun0>", ("指定虚拟网卡名称", "Specify virtual network card name")),
         ("--packet-loss <0>", ("模拟丢包,取值0~1之间的小数,程序会按设定的概率主动丢包,可用于模拟弱网", "Simulate packet loss, value between 0 and 1, program actively drops packets based on set probability, useful for simulating weak networks")),
-        ("--packet-delay <0>", ("模拟丢包,取值0~1之间的小数,程序会按设定的概率主动丢包,可用于模拟弱网", "Simulate latency, integer, in milliseconds (ms). The program will delay sending packets according to the set value and can be used to simulate weak networks")),
+        ("--packet-delay <0>", ("模拟延迟,正整数,单位毫秒,程序将根据设定值延迟发送数据包,可用于模拟弱网", "Simulate latency, integer, in milliseconds (ms). The program will delay sending packets according to the set value and can be used to simulate weak networks")),
         ("--dns <host:port>", ("DNS服务器地址,可使用多个dns,不指定时使用系统解析", "DNS server address, can specify multiple DNS servers, defaults to system resolution if not specified")),
         ("--mapping <mapping>", ("端口映射,例如 --mapping udp:0.0.0.0:80-domain:80 映射目标是本地路由能访问的设备", "Port mapping, e.g., --mapping udp:0.0.0.0:80-domain:80 maps to a device accessible by local routing")),
         ("--compressor-all <lz4>", ("启用压缩,可选值lz4/zstd<,level>,level为压缩级别,例如 --compressor lz4 或--compressor zstd,10", "Enable compression, options lz4/zstd<,level>, level is compression level, e.g., --compressor lz4 or --compressor zstd,10")),
         ("--compressor-lz4 <lz4>", ("启用压缩,可选值lz4,例如 --compressor lz4", "Enable compression, option lz4, e.g., --compressor lz4")),
         ("--compressor-zstd <zstd>", ("启用压缩,可选值zstd<,level>,level为压缩级别,例如 --compressor zstd,10", "Enable compression, options zstd<,level>, level is compression level, e.g., --compressor zstd,10")),
         ("--vnt-mapping <x>", ("vnt地址映射,例如 --vnt-mapping tcp:80-10.26.0.10:80 映射目标是vnt网络或其子网中的设备", "VNT address mapping, e.g., --vnt-mapping tcp:80-10.26.0.10:80 maps to a device in VNT network or its subnet")),
+        ("--local-dev", ("本地出口网卡的名称", "name of local export network card")),
         ("--disable-stats", ("关闭流量统计", "Disable traffic statistics")),
+        ("--allow-wg", ("允许接入WireGuard客户端", "Allow access to WireGuard client")),
         ("--list", ("后台运行时,查看其他设备列表", "View list of other devices when running in background")),
         ("--all", ("后台运行时,查看其他设备完整信息", "View complete information of other devices when running in background")),
         ("--info", ("后台运行时,查看当前设备信息", "View information of current device when running in background")),
@@ -430,9 +426,7 @@ fn print_usage(program: &str, _opts: Options) {
         "  -e <stun-server>    {}",
         get_description("-e <stun-server>", &language)
     );
-    #[cfg(target_os = "windows")]
-    #[cfg(feature = "integrated_tun")]
-    println!("  -a                  {}", get_description("-a", &language));
+
     println!(
         "  -i <in-ip>          {}",
         get_description("-i <in-ip>", &language)
@@ -517,7 +511,7 @@ fn print_usage(program: &str, _opts: Options) {
         "  --use-channel <p2p> {}",
         get_description("--use-channel <p2p>", &language)
     );
-    #[cfg(not(feature = "vn-link-model"))]
+    #[cfg(feature = "integrated_tun")]
     println!(
         "  --nic <tun0>        {}",
         get_description("--nic <tun0>", &language)
@@ -564,11 +558,18 @@ fn print_usage(program: &str, _opts: Options) {
         "  --vnt-mapping <x>   {}",
         green(get_description("--vnt-mapping <x>", &language).to_string())
     );
+    println!(
+        "  --local-dev <NAME>  {}",
+        get_description("--local-dev", &language)
+    );
     println!(
         "  --disable-stats     {}",
         get_description("--disable-stats", &language)
     );
-    println!("  --allow-wg          允许接入WireGuard客户端");
+    println!(
+        "  --allow-wg          {}",
+        get_description("--allow-wg", &language)
+    );
     println!();
     #[cfg(feature = "command")]
     {

common/src/config/file_config.rs

@@ -48,6 +48,7 @@ pub struct FileConfig {
     pub disable_stats: bool,
     // 允许传递wg流量
     pub allow_wire_guard: bool,
+    pub local_dev: Option<String>,
 }
 
 impl Default for FileConfig {
@@ -93,6 +94,7 @@ impl Default for FileConfig {
             vnt_mapping: vec![],
             disable_stats: false,
             allow_wire_guard: false,
+            local_dev: None,
         }
     }
 }
@@ -102,8 +104,8 @@ pub fn read_config(file_path: &str) -> anyhow::Result<(Config, Vec<String>, bool
     let file_conf = match serde_yaml::from_str::<FileConfig>(&conf) {
         Ok(val) => val,
         Err(e) => {
-            log::error!("{:?}", e);
-            return Err(anyhow!("{}", e));
+            log::error!("serde_yaml::from_str {:?}", e);
+            return Err(anyhow!("serde_yaml::from_str {:?}", e));
         }
     };
     if file_conf.token.is_empty() {
@@ -126,12 +128,12 @@ pub fn read_config(file_path: &str) -> anyhow::Result<(Config, Vec<String>, bool
         None => None,
         Some(r) => Some(r.map_err(|e| anyhow!("ip {:?} error:{}", &file_conf.ip, e))?),
     };
-    let cipher_model = {
+    let cipher_model = if let Some(v) = file_conf.cipher_model {
+        CipherModel::from_str(&v).map_err(|e| anyhow!("{}", e))?
+    } else {
         #[cfg(not(any(feature = "aes_gcm", feature = "server_encrypt")))]
-        if file_conf.password.is_some() && file_conf.cipher_model.is_none() {
+        if file_conf.password.is_some() {
             Err(anyhow!("cipher_model undefined"))?
-        } else if let Some(v) = file_conf.cipher_model {
-            CipherModel::from_str(&v).map_err(|e| anyhow!("{}", e))?
         } else {
             CipherModel::None
         }
@@ -181,6 +183,7 @@ pub fn read_config(file_path: &str) -> anyhow::Result<(Config, Vec<String>, bool
         compressor,
         !file_conf.disable_stats,
         file_conf.allow_wire_guard,
+        file_conf.local_dev,
     )?;
 
     Ok((config, file_conf.vnt_mapping, file_conf.cmd))

vn-link-cli/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "vn-link-cli"
-version = "1.2.12"
+version = "1.2.16"
 edition = "2021"
 
 [dependencies]
@@ -9,6 +9,9 @@ common = { path = "../common", default-features = false }
 tokio = { version = "1.37.0", features = ["full"] }
 log = "0.4.17"
 
+[target.'cfg(windows)'.build-dependencies]
+thunk-rs = { version = "0.3.3", features = ["win7"] }
+
 [features]
 default = ["default-feature"]
 default-feature = ["server_encrypt", "aes_gcm", "aes_cbc", "aes_ecb", "sm4_cbc", "chacha20_poly1305", "port_mapping", "log", "command", "file_config", "lz4", "ws"]

vn-link-cli/build.rs

@@ -0,0 +1,5 @@
+fn main() {
+    // 配置 thunk-rs 来链接 Windows 7 兼容库，并自动设置链接参数
+    #[cfg(target_os = "windows")]
+    thunk::thunk();
+}

vn-link-cli/src/main.rs

@@ -12,7 +12,12 @@ fn main() {
             }
         }
         Err(e) => {
-            println!("{}", e);
+            log::error!(
+                "parse error={:?} cmd={:?}",
+                e,
+                std::env::args().collect::<Vec<String>>()
+            );
+            println!("Error {:?}", e);
             return;
         }
     };

vn-link/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "vn-link"
-version = "1.2.12"
+version = "1.2.16"
 edition = "2021"
 
 [dependencies]

vnt-cli/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "vnt-cli"
-version = "1.2.12"
+version = "1.2.16"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -10,7 +10,7 @@ vnt = { path = "../vnt", package = "vnt", default-features = false, features = [
 common = { path = "../common", default-features = false, features = ["integrated_tun"] }
 log = "0.4.17"
 anyhow = "1.0.82"
-
+console = "0.15.2"
 
 [target.'cfg(any(target_os = "linux",target_os = "macos"))'.dependencies]
 sudo = "0.6.0"
@@ -19,6 +19,7 @@ signal-hook = "0.3.17"
 [target.'cfg(target_os = "windows")'.dependencies]
 winapi = { version = "0.3.9", features = ["handleapi", "processthreadsapi", "winnt", "securitybaseapi", "impl-default"] }
 
+
 [features]
 default = ["default-feature"]
 default-feature = ["server_encrypt", "aes_gcm", "aes_cbc", "aes_ecb", "sm4_cbc", "chacha20_poly1305", "ip_proxy", "port_mapping", "log", "command", "file_config", "lz4", "ws"]
@@ -44,4 +45,7 @@ command = ["common/command"]
 file_config = ["common/file_config"]
 [build-dependencies]
 rand = "0.8.5"
-chrono = "0.4.23"
+chrono = "0.4.23"
+
+[target.'cfg(windows)'.build-dependencies]
+thunk-rs = { version = "0.3.3", features = ["win7"] }

vnt-cli/README.md

@@ -74,9 +74,11 @@
 
 设置虚拟网卡的mtu值，大多数情况下使用默认值效率会更高，也可根据实际情况微调这个值，不加密默认为1450，加密默认为1410
 
-### --tcp
+### ~~--tcp~~
 
-和服务端使用tcp通信。有些网络提供商对UDP限制比较大，这个时候可以选择使用TCP模式，提高稳定性。一般来说udp延迟和消耗更低
+~~和服务端使用tcp通信。有些网络提供商对UDP限制比较大，这个时候可以选择使用TCP模式，提高稳定性。一般来说udp延迟和消耗更低~~
+
+新版本使用 `-s tcp://`的形式使用tcp
 
 ### --ip `<IP>`
 

vnt-cli/build.rs

@@ -0,0 +1,5 @@
+fn main() {
+    // 配置 thunk-rs 来链接 Windows 7 兼容库，并自动设置链接参数
+    #[cfg(target_os = "windows")]
+    thunk::thunk();
+}

vnt-cli/src/main.rs

@@ -1,4 +1,5 @@
 use common::callback;
+use console::style;
 use vnt::core::{Config, Vnt};
 mod root_check;
 fn main() {
@@ -11,7 +12,12 @@ fn main() {
             }
         }
         Err(e) => {
-            println!("{}", e);
+            log::error!(
+                "parse error={:?} cmd={:?}",
+                e,
+                std::env::args().collect::<Vec<String>>()
+            );
+            println!("{}", style(format!("Error {:?}", e)).red());
             return;
         }
     };
@@ -35,6 +41,7 @@ fn main0(config: Config, _show_cmd: bool) {
     let vnt_util = match Vnt::new(config, callback::VntHandler {}) {
         Ok(vnt) => vnt,
         Err(e) => {
+            log::error!("vnt create error {:?}", e);
             println!("error: {:?}", e);
             std::process::exit(1);
         }

vnt/Cargo.toml

@@ -1,12 +1,12 @@
 [package]
 name = "vnt"
-version = "1.2.12"
+version = "1.2.16"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-tun = { path = "tun", optional = true }
+tun-rs = { version = "2.5.0", optional = true, features = ["interruptible"] }
 packet = { path = "./packet" }
 bytes = "1.5.0"
 log = "0.4.17"
@@ -18,7 +18,7 @@ rand = "0.8.5"
 sha2 = { version = "0.10.6", features = ["oid"] }
 thiserror = "1.0.37"
 protobuf = "=3.2.0"
-socket2 = { version = "0.5.2", features = ["all"] }
+socket2 = { version = "0.5.7", features = ["all"] }
 aes-gcm = { version = "0.10.2", optional = true }
 ring = { version = "0.17.0", optional = true }
 cbc = { version = "0.1.2", optional = true }
@@ -31,13 +31,14 @@ rsa = { version = "0.9.2", features = [], optional = true }
 spki = { version = "0.7.2", features = ["fingerprint", "alloc", "base64"], optional = true }
 openssl-sys = { git = "https://github.com/vnt-dev/rust-openssl", optional = true }
 libsm = { git = "https://github.com/vnt-dev/libsm", optional = true }
+http_req = { git = "https://github.com/lmq8267/http_req.git", default-features = false, features = ["rust-tls"] }
 
 mio = { version = "=0.8.11", features = ["os-poll", "net", "os-ext"] }
 crossbeam-queue = "0.3.11"
 anyhow = "1.0.82"
 dns-parser = "0.8.0"
 
-tokio = { version = "1.37.0", features = ["full"] }
+tokio = { version = "1.46.1", features = ["full"] }
 
 lz4_flex = { version = "0.11", default-features = false, optional = true }
 zstd = { version = "0.13.1", optional = true }
@@ -46,10 +47,20 @@ fnv = "1.0.7"
 igd = { version = "0.12.1", optional = true }
 tokio-tungstenite = { version = "0.23.1", optional = true }
 rustls = { version = "0.23.0", features = ["ring"], default-features = false, optional = true }
+
+network-interface = "2.0.0"
+
 futures-util = "0.3.30"
 [target.'cfg(target_os = "windows")'.dependencies]
+winreg = "0.55.0"
 libloading = "0.8.0"
-
+windows-sys = { version = "0.60.2", features = ["Win32_Foundation",
+    "Win32_NetworkManagement",
+    "Win32_NetworkManagement_IpHelper",
+    "Win32_Networking_WinSock",
+    "Win32_System_IO",
+    "Win32_System_Threading",
+    "Win32_System_WindowsProgramming", ] }
 
 [build-dependencies]
 protobuf-codegen = "=3.2.0"
@@ -72,7 +83,7 @@ ip_proxy = []
 port_mapping = []
 lz4_compress = ["lz4_flex"]
 zstd_compress = ["zstd"]
-integrated_tun = ["tun"]
+integrated_tun = ["tun-rs"]
 upnp = ["igd"]
 ws = ["tokio-tungstenite"]
-wss = ["ws", "tokio-tungstenite/rustls-tls-native-roots", "tokio-tungstenite/rustls-tls-webpki-roots", "rustls"]
+wss = ["ws", "tokio-tungstenite/rustls-tls-native-roots", "tokio-tungstenite/rustls-tls-webpki-roots", "rustls"]

vnt/packet/src/lib.rs

@@ -71,14 +71,12 @@ unsigned short getChecksum(unsigned short * iphead, int count)
 pub fn cal_checksum(buffer: &[u8]) -> u16 {
     use std::io::Cursor;
     let mut sum = 0;
-    let length = buffer.len();
     let mut buffer = Cursor::new(buffer);
     while let Ok(value) = buffer.read_u16::<BigEndian>() {
         sum += u32::from(value);
     }
-    if length & 1 == 1 {
-        //奇数,说明还有一位,不足的补0
-        sum += u32c(buffer.read_u8().unwrap(), 0);
+    if let Ok(l) = buffer.read_u8() {
+        sum += u32c(l, 0);
     }
     while sum >> 16 != 0 {
         sum = (sum & 0xffff) + (sum >> 16);
@@ -119,9 +117,8 @@ pub fn ipv4_cal_checksum(
     while let Ok(value) = buffer.read_u16::<BigEndian>() {
         sum += u32::from(value);
     }
-    if length & 1 == 1 {
-        //奇数,说明还有一位
-        sum += u32c(buffer.read_u8().unwrap(), 0);
+    if let Ok(l) = buffer.read_u8() {
+        sum += u32c(l, 0);
     }
     while sum >> 16 != 0 {
         sum = (sum & 0xffff) + (sum >> 16);

vnt/proto/message.proto

@@ -64,11 +64,23 @@ message PunchInfo {
     uint32 tcp_port = 11;
     repeated uint32 udp_ports = 12;
     repeated uint32 public_ports = 13;
+    uint32 public_tcp_port = 14;
+    PunchNatModel punch_model = 15;
 }
 enum PunchNatType {
     Symmetric = 0;
     Cone = 1;
 }
+enum PunchNatModel {
+    All = 0;
+    IPv4 = 1;
+    IPv6 = 2;
+    IPv4Tcp = 3;
+    IPv4Udp = 4;
+    IPv6Tcp = 5;
+    IPv6Udp = 6;
+}
+
 /// 向服务器上报客户端状态信息
 message ClientStatusInfo {
     fixed32 source = 1;

vnt/src/channel/context.rs

@@ -1,7 +1,7 @@
 use fnv::FnvHashMap;
-use std::net::{Ipv4Addr, SocketAddr, SocketAddrV6, UdpSocket};
+use std::net::{Ipv4Addr, SocketAddr, UdpSocket};
 use std::ops::Deref;
-use std::sync::atomic::{AtomicUsize, Ordering};
+use std::sync::atomic::AtomicUsize;
 use std::sync::Arc;
 use std::time::{Duration, Instant};
 use std::{io, thread};
@@ -12,6 +12,7 @@ use rand::Rng;
 
 use crate::channel::punch::NatType;
 use crate::channel::sender::{AcceptSocketSender, PacketSender};
+use crate::channel::socket::LocalInterface;
 use crate::channel::{ConnectProtocol, Route, RouteKey, UseChannelType, DEFAULT_RT};
 use crate::protocol::NetPacket;
 use crate::util::limit::TrafficMeterMultiAddress;
@@ -25,16 +26,17 @@ pub struct ChannelContext {
 impl ChannelContext {
     pub fn new(
         main_udp_socket: Vec<UdpSocket>,
+        v4_len: usize,
         use_channel_type: UseChannelType,
         first_latency: bool,
         protocol: ConnectProtocol,
         packet_loss_rate: Option<f64>,
         packet_delay: u32,
-        use_ipv6: bool,
         up_traffic_meter: Option<TrafficMeterMultiAddress>,
         down_traffic_meter: Option<TrafficMeterMultiAddress>,
+        default_interface: LocalInterface,
     ) -> Self {
-        let channel_num = main_udp_socket.len();
+        let channel_num = v4_len;
         assert_ne!(channel_num, 0, "not channel");
         let packet_loss_rate = packet_loss_rate
             .map(|v| {
@@ -48,16 +50,17 @@ impl ChannelContext {
             .unwrap_or(0);
         let inner = ContextInner {
             main_udp_socket,
+            v4_len,
             sub_udp_socket: RwLock::new(Vec::new()),
             packet_map: RwLock::new(FnvHashMap::default()),
             route_table: RouteTable::new(use_channel_type, first_latency, channel_num),
             protocol,
             packet_loss_rate,
             packet_delay,
-            main_index: AtomicUsize::new(0),
-            use_ipv6,
             up_traffic_meter,
             down_traffic_meter,
+            default_interface,
+            default_route_key: AtomicCell::default(),
         };
         Self {
             inner: Arc::new(inner),
@@ -80,10 +83,11 @@ const PACKET_LOSS_RATE_DENOMINATOR: u32 = 100_0000;
 pub struct ContextInner {
     // 核心udp socket
     pub(crate) main_udp_socket: Vec<UdpSocket>,
+    v4_len: usize,
     // 对称网络增加的udp socket
     sub_udp_socket: RwLock<Vec<UdpSocket>>,
     // tcp数据发送器
-    pub(crate) packet_map: RwLock<FnvHashMap<SocketAddr, PacketSender>>,
+    pub(crate) packet_map: RwLock<FnvHashMap<RouteKey, PacketSender>>,
     // 路由信息
     pub route_table: RouteTable,
     // 使用什么协议连接服务器
@@ -92,16 +96,22 @@ pub struct ContextInner {
     packet_loss_rate: u32,
     //控制延迟
     packet_delay: u32,
-    main_index: AtomicUsize,
-    use_ipv6: bool,
     pub(crate) up_traffic_meter: Option<TrafficMeterMultiAddress>,
     pub(crate) down_traffic_meter: Option<TrafficMeterMultiAddress>,
+    default_interface: LocalInterface,
+    default_route_key: AtomicCell<Option<RouteKey>>,
 }
 
 impl ContextInner {
     pub fn use_channel_type(&self) -> UseChannelType {
         self.route_table.use_channel_type
     }
+    pub fn default_interface(&self) -> &LocalInterface {
+        &self.default_interface
+    }
+    pub fn set_default_route_key(&self, route_key: RouteKey) {
+        self.default_route_key.store(Some(route_key));
+    }
     /// 通过sub_udp_socket是否为空来判断是否为锥形网络
     pub fn is_cone(&self) -> bool {
         self.sub_udp_socket.read().is_empty()
@@ -120,7 +130,7 @@ impl ContextInner {
         &self,
         nat_type: NatType,
         udp_socket_sender: &AcceptSocketSender<Option<Vec<mio::net::UdpSocket>>>,
-    ) -> io::Result<()> {
+    ) -> anyhow::Result<()> {
         let mut write_guard = self.sub_udp_socket.write();
         match nat_type {
             NatType::Symmetric => {
@@ -129,9 +139,11 @@ impl ContextInner {
                 }
                 let mut vec = Vec::with_capacity(SYMMETRIC_CHANNEL_NUM);
                 for _ in 0..SYMMETRIC_CHANNEL_NUM {
-                    let udp = UdpSocket::bind("0.0.0.0:0")?;
-                    //副通道使用异步io
-                    udp.set_nonblocking(true)?;
+                    let udp = crate::channel::socket::bind_udp(
+                        "0.0.0.0:0".parse().unwrap(),
+                        &self.default_interface,
+                    )?;
+                    let udp: UdpSocket = udp.into();
                     vec.push(udp);
                 }
                 let mut mio_vec = Vec::with_capacity(SYMMETRIC_CHANNEL_NUM);
@@ -152,39 +164,39 @@ impl ContextInner {
         }
         Ok(())
     }
-
+    #[inline]
     pub fn channel_num(&self) -> usize {
+        self.v4_len
+    }
+    #[inline]
+    pub fn main_len(&self) -> usize {
         self.main_udp_socket.len()
     }
     /// 获取核心udp监听的端口，用于其他客户端连接
     pub fn main_local_udp_port(&self) -> io::Result<Vec<u16>> {
         let mut ports = Vec::new();
-        for udp in self.main_udp_socket.iter() {
+        for udp in self.main_udp_socket[..self.v4_len].iter() {
             ports.push(udp.local_addr()?.port())
         }
         Ok(ports)
     }
-    pub fn send_tcp(&self, buf: &[u8], addr: SocketAddr) -> io::Result<()> {
-        if let Some(tcp) = self.packet_map.read().get(&addr) {
+    pub fn send_tcp(&self, buf: &[u8], route_key: &RouteKey) -> io::Result<()> {
+        if let Some(tcp) = self.packet_map.read().get(route_key) {
             tcp.try_send(buf)
         } else {
-            Err(io::Error::from(io::ErrorKind::NotFound))
+            Err(io::Error::new(
+                io::ErrorKind::NotFound,
+                format!("dest={:?}", route_key),
+            ))
         }
     }
-    pub fn send_main_udp(&self, index: usize, buf: &[u8], mut addr: SocketAddr) -> io::Result<()> {
-        if self.use_ipv6 {
-            //如果是v4地址则需要转换成v6
-            if let SocketAddr::V4(ipv4) = addr {
-                addr = SocketAddr::V6(SocketAddrV6::new(
-                    ipv4.ip().to_ipv6_mapped(),
-                    ipv4.port(),
-                    0,
-                    0,
-                ));
-            }
+    pub fn send_main_udp(&self, index: usize, buf: &[u8], addr: SocketAddr) -> io::Result<()> {
+        if let Some(udp) = self.main_udp_socket.get(index) {
+            udp.send_to(buf, addr)?;
+            Ok(())
+        } else {
+            Err(io::Error::new(io::ErrorKind::Other, "overflow"))
         }
-        self.main_udp_socket[index].send_to(buf, addr)?;
-        Ok(())
     }
     /// 将数据发送到默认通道，一般发往服务器才用此方法
     pub fn send_default<B: AsRef<[u8]>>(
@@ -193,9 +205,20 @@ impl ContextInner {
         addr: SocketAddr,
     ) -> io::Result<()> {
         if self.protocol.is_udp() {
-            self.send_main_udp(self.main_index.load(Ordering::Relaxed), buf.buffer(), addr)?
+            if addr.is_ipv4() {
+                self.send_main_udp(0, buf.buffer(), addr)?
+            } else {
+                self.send_main_udp(self.v4_len, buf.buffer(), addr)?
+            }
         } else {
-            self.send_tcp(buf.buffer(), addr)?
+            if let Some(key) = self.default_route_key.load() {
+                self.send_tcp(buf.buffer(), &key)?
+            } else {
+                return Err(io::Error::new(
+                    io::ErrorKind::NotFound,
+                    format!("dest={:?}", addr),
+                ));
+            }
         }
         if let Some(up_traffic_meter) = &self.up_traffic_meter {
             up_traffic_meter.add_traffic(buf.destination(), buf.data_len());
@@ -203,10 +226,6 @@ impl ContextInner {
         Ok(())
     }
 
-    pub fn change_main_index(&self) {
-        let index = (self.main_index.load(Ordering::Relaxed) + 1) % self.main_udp_socket.len();
-        self.main_index.store(index, Ordering::Relaxed);
-    }
     /// 此方法仅用于对称网络打洞
     pub fn try_send_all(&self, buf: &[u8], addr: SocketAddr) {
         self.try_send_all_main(buf, addr);
@@ -287,7 +306,7 @@ impl ContextInner {
                     if let Some(udp) = self
                         .sub_udp_socket
                         .read()
-                        .get(route_key.index - self.main_udp_socket.len())
+                        .get(route_key.index - self.main_len())
                     {
                         udp.send_to(buf.buffer(), route_key.addr)?;
                     } else {
@@ -296,7 +315,7 @@ impl ContextInner {
                 }
             }
             ConnectProtocol::TCP | ConnectProtocol::WS | ConnectProtocol::WSS => {
-                self.send_tcp(buf.buffer(), route_key.addr)?
+                self.send_tcp(buf.buffer(), &route_key)?
             }
         }
         if let Some(up_traffic_meter) = &self.up_traffic_meter {
@@ -372,19 +391,11 @@ impl RouteTable {
         let key = route.route_key();
         if only_if_absent {
             if let Some((_, list)) = self.route_table.read().get(&id) {
-                let mut p2p_num = 0;
                 for (x, _) in list {
-                    if x.is_p2p() {
-                        p2p_num += 1;
-                    }
                     if x.route_key() == key {
                         return true;
                     }
                 }
-                if !self.first_latency && p2p_num >= self.channel_num {
-                    // 非优先延迟的情况下，通道满了则不用再添加
-                    return false;
-                }
             }
         }
         let mut route_table = self.route_table.write();
@@ -409,61 +420,42 @@ impl RouteTable {
             }
         }
         if exist {
-            // 这个排序还有待优化，因为后加入的大概率排最后，被直接淘汰的概率也大，可能导致更好的通道被移除了
             list.sort_by_key(|(k, _)| k.rt);
-            //如果延迟都稳定了，则去除多余通道
-            for (route, _) in list.iter() {
-                if route.rt == DEFAULT_RT {
-                    return true;
-                }
-            }
-            //延迟优先模式需要更多的通道探测延迟最低的路线
-            let limit_len = if self.first_latency {
-                self.channel_num + 2
-            } else {
-                self.channel_num
-            };
-            self.truncate_(list, limit_len);
         } else {
             if !self.first_latency {
                 if route.is_p2p() {
                     //非优先延迟的情况下 添加了直连的则排除非直连的
                     list.retain(|(k, _)| k.is_p2p());
                 }
-                if self.channel_num <= list.len() {
-                    return false;
-                }
             };
-            //增加路由表容量，避免波动
-            let limit_len = self.channel_num * 2;
             list.sort_by_key(|(k, _)| k.rt);
-            self.truncate_(list, limit_len);
             list.push((route, AtomicCell::new(Instant::now())));
         }
         return true;
     }
-    fn truncate_(&self, list: &mut Vec<(Route, AtomicCell<Instant>)>, len: usize) {
-        if list.len() <= len {
-            return;
-        }
-        if self.first_latency {
-            //找到第一个p2p通道
-            if let Some(index) =
-                list.iter()
-                    .enumerate()
-                    .find_map(|(index, (route, _))| if route.is_p2p() { Some(index) } else { None })
-            {
-                if index >= len {
-                    //保留第一个p2p通道
-                    let route = list.remove(index);
-                    list.truncate(len - 1);
-                    list.push(route);
-                    return;
-                }
-            }
-        }
-        list.truncate(len);
-    }
+    // 直接移除会导致通道不稳定，所以废弃这个方法，后面改用多余通道不发心跳包，从而让通道自动过期
+    // fn truncate_(&self, list: &mut Vec<(Route, AtomicCell<Instant>)>, len: usize) {
+    //     if list.len() <= len {
+    //         return;
+    //     }
+    //     if self.first_latency {
+    //         //找到第一个p2p通道
+    //         if let Some(index) =
+    //             list.iter()
+    //                 .enumerate()
+    //                 .find_map(|(index, (route, _))| if route.is_p2p() { Some(index) } else { None })
+    //         {
+    //             if index >= len {
+    //                 //保留第一个p2p通道
+    //                 let route = list.remove(index);
+    //                 list.truncate(len - 1);
+    //                 list.push(route);
+    //                 return;
+    //             }
+    //         }
+    //     }
+    //     list.truncate(len);
+    // }
     pub fn route(&self, id: &Ipv4Addr) -> Option<Vec<Route>> {
         if let Some((_, v)) = self.route_table.read().get(id) {
             Some(v.iter().map(|(i, _)| *i).collect())

vnt/src/channel/mod.rs

@@ -6,6 +6,7 @@ use tokio::sync::mpsc::channel;
 use crate::channel::context::ChannelContext;
 use crate::channel::handler::RecvChannelHandler;
 use crate::channel::sender::{AcceptSocketSender, ConnectUtil};
+use crate::channel::socket::{bind_udp, LocalInterface};
 use crate::channel::tcp_channel::tcp_listen;
 use crate::channel::udp_channel::udp_listen;
 #[cfg(feature = "ws")]
@@ -19,6 +20,7 @@ pub mod idle;
 pub mod notify;
 pub mod punch;
 pub mod sender;
+pub mod socket;
 pub mod tcp_channel;
 pub mod udp_channel;
 #[cfg(feature = "ws")]
@@ -177,7 +179,7 @@ pub struct RouteKey {
 }
 
 impl RouteKey {
-    pub(crate) fn new(protocol: ConnectProtocol, index: usize, addr: SocketAddr) -> Self {
+    pub(crate) const fn new(protocol: ConnectProtocol, index: usize, addr: SocketAddr) -> Self {
         Self {
             protocol,
             index,
@@ -201,11 +203,13 @@ pub(crate) fn init_context(
     protocol: ConnectProtocol,
     packet_loss_rate: Option<f64>,
     packet_delay: u32,
+    default_interface: LocalInterface,
     up_traffic_meter: Option<TrafficMeterMultiAddress>,
     down_traffic_meter: Option<TrafficMeterMultiAddress>,
 ) -> anyhow::Result<(ChannelContext, std::net::TcpListener)> {
     assert!(!ports.is_empty(), "not channel");
-    let mut udps = Vec::with_capacity(ports.len());
+    let mut main_udp_socket_v4 = Vec::with_capacity(ports.len());
+    let mut main_udp_socket_v6 = Vec::with_capacity(ports.len());
     //检查系统是否支持ipv6
     let use_ipv6 = match socket2::Socket::new(socket2::Domain::IPV6, socket2::Type::DGRAM, None) {
         Ok(_) => true,
@@ -215,40 +219,33 @@ pub(crate) fn init_context(
         }
     };
     for port in &ports {
-        //监听v6+v4双栈
-        let (socket, address) = if use_ipv6 {
-            let address: SocketAddr = format!("[::]:{}", port).parse().unwrap();
-            let socket = socket2::Socket::new(socket2::Domain::IPV6, socket2::Type::DGRAM, None)?;
-            socket
-                .set_only_v6(false)
-                .with_context(|| format!("set_only_v6 failed: {}", &address))?;
-            (socket, address)
+        let addr_v4: SocketAddr = format!("0.0.0.0:{}", port).parse().unwrap();
+        if use_ipv6 {
+            let (main_channel_v4, main_channel_v6) = bind_udp_v4_and_v6(*port, &default_interface)?;
+            main_udp_socket_v4.push(main_channel_v4);
+            main_udp_socket_v6.push(main_channel_v6);
         } else {
-            let address: SocketAddr = format!("0.0.0.0:{}", port).parse().unwrap();
-            (
-                socket2::Socket::new(socket2::Domain::IPV4, socket2::Type::DGRAM, None)?,
-                address,
-            )
-        };
-        if let Err(e) = socket.set_recv_buffer_size(2 * 1024 * 1024) {
-            log::warn!("set_recv_buffer_size {:?}", e);
+            let socket = bind_udp(addr_v4, &default_interface)?;
+            let main_channel_v4: UdpSocket = socket.into();
+            main_udp_socket_v4.push(main_channel_v4);
         }
-        socket
-            .bind(&address.into())
-            .with_context(|| format!("bind failed: {}", &address))?;
-        let main_channel: UdpSocket = socket.into();
-        udps.push(main_channel);
     }
+    let mut main_udp_socket =
+        Vec::with_capacity(main_udp_socket_v4.len() + main_udp_socket_v6.len());
+    let v4_len = main_udp_socket_v4.len();
+    main_udp_socket.append(&mut main_udp_socket_v4);
+    main_udp_socket.append(&mut main_udp_socket_v6);
     let context = ChannelContext::new(
-        udps,
+        main_udp_socket,
+        v4_len,
         use_channel_type,
         first_latency,
         protocol,
         packet_loss_rate,
         packet_delay,
-        use_ipv6,
         up_traffic_meter,
         down_traffic_meter,
+        default_interface,
     );
 
     let port = context.main_local_udp_port()?[0];
@@ -265,7 +262,13 @@ pub(crate) fn init_context(
         let socket = socket2::Socket::new(socket2::Domain::IPV4, socket2::Type::STREAM, None)?;
         (socket, address)
     };
-
+    socket
+        .set_reuse_address(true)
+        .context("set_reuse_address")?;
+    #[cfg(unix)]
+    if let Err(e) = socket.set_reuse_port(true) {
+        log::warn!("set_reuse_port {:?}", e)
+    }
     if let Err(e) = socket.bind(&address.into()) {
         if ports[0] == 0 {
             //端口可能冲突，则使用任意端口
@@ -285,9 +288,49 @@ pub(crate) fn init_context(
     }
     socket.listen(128)?;
     socket.set_nonblocking(true)?;
-    socket.set_nodelay(false)?;
+    socket.set_nodelay(true)?;
     Ok((context, socket.into()))
 }
+fn bind_udp_v4_and_v6(
+    port: u16,
+    default_interface: &LocalInterface,
+) -> anyhow::Result<(UdpSocket, UdpSocket)> {
+    let mut count = 0;
+    loop {
+        let addr_v4: SocketAddr = format!("0.0.0.0:{}", port).parse().unwrap();
+        let socket = bind_udp(addr_v4, default_interface)?;
+        if let Err(e) = socket.set_recv_buffer_size(2 * 1024 * 1024) {
+            log::warn!("set_recv_buffer_size {:?}", e);
+        }
+        let main_channel_v4: UdpSocket = socket.into();
+        let addr = main_channel_v4.local_addr()?;
+        let addr_v6: SocketAddr = format!("[::]:{}", addr.port()).parse().unwrap();
+        let socket = if port == 0 {
+            match bind_udp(addr_v6, default_interface) {
+                Ok(socket) => socket,
+                Err(e) => {
+                    if count > 10 {
+                        return Err(e);
+                    }
+                    if let Some(e) = e.downcast_ref::<std::io::Error>() {
+                        if e.kind() == std::io::ErrorKind::AddrInUse {
+                            count += 1;
+                            continue;
+                        }
+                    }
+                    Err(e)?
+                }
+            }
+        } else {
+            bind_udp(addr_v6, default_interface)?
+        };
+        if let Err(e) = socket.set_recv_buffer_size(2 * 1024 * 1024) {
+            log::warn!("set_recv_buffer_size {:?}", e);
+        }
+        let main_channel_v6: UdpSocket = socket.into();
+        return Ok((main_channel_v4, main_channel_v6));
+    }
+}
 
 pub(crate) fn init_channel<H>(
     tcp_listener: std::net::TcpListener,

vnt/src/channel/punch.rs

@@ -1,4 +1,3 @@
-use crossbeam_utils::atomic::AtomicCell;
 use std::collections::HashMap;
 use std::net::{Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6};
 use std::ops::{Div, Mul};
@@ -7,20 +6,46 @@ use std::sync::Arc;
 use std::time::Duration;
 use std::{io, thread};
 
+use crossbeam_utils::atomic::AtomicCell;
 use rand::prelude::SliceRandom;
 use rand::Rng;
 
 use crate::channel::context::ChannelContext;
 use crate::channel::sender::ConnectUtil;
-use crate::external_route::ExternalRoute;
 use crate::handle::CurrentDeviceInfo;
-use crate::nat::NatTest;
+use crate::nat::{is_ipv4_global, NatTest};
+use crate::proto::message::{PunchNatModel, PunchNatType};
 
 #[derive(Copy, Clone, Eq, PartialEq, Debug)]
 pub enum PunchModel {
+    All,
     IPv4,
     IPv6,
-    All,
+    IPv4Tcp,
+    IPv4Udp,
+    IPv6Tcp,
+    IPv6Udp,
+}
+
+impl PunchModel {
+    pub fn use_tcp(&self) -> bool {
+        self != &PunchModel::IPv4Udp && self != &PunchModel::IPv6Udp
+    }
+    pub fn use_udp(&self) -> bool {
+        self != &PunchModel::IPv4Tcp && self != &PunchModel::IPv6Tcp
+    }
+    pub fn use_ipv6(&self) -> bool {
+        self == &PunchModel::All
+            || self == &PunchModel::IPv6
+            || self == &PunchModel::IPv6Tcp
+            || self == &PunchModel::IPv6Udp
+    }
+    pub fn use_ipv4(&self) -> bool {
+        self == &PunchModel::All
+            || self == &PunchModel::IPv4
+            || self == &PunchModel::IPv4Tcp
+            || self == &PunchModel::IPv4Udp
+    }
 }
 
 impl FromStr for PunchModel {
@@ -30,8 +55,15 @@ impl FromStr for PunchModel {
         match s.to_lowercase().trim() {
             "ipv4" => Ok(PunchModel::IPv4),
             "ipv6" => Ok(PunchModel::IPv6),
+            "ipv4-tcp" => Ok(PunchModel::IPv4Tcp),
+            "ipv4-udp" => Ok(PunchModel::IPv4Udp),
+            "ipv6-tcp" => Ok(PunchModel::IPv6Tcp),
+            "ipv6-udp" => Ok(PunchModel::IPv6Udp),
             "all" => Ok(PunchModel::All),
-            _ => Err(format!("not match '{}', enum: ipv4/ipv6/all", s)),
+            _ => Err(format!(
+                "not match '{}', enum: ipv4/ipv4-tcp/ipv4-udp/ipv6/ipv6-tcp/ipv6-udp/all",
+                s
+            )),
         }
     }
 }
@@ -41,6 +73,33 @@ impl Default for PunchModel {
         PunchModel::All
     }
 }
+impl From<PunchModel> for PunchNatModel {
+    fn from(value: PunchModel) -> Self {
+        match value {
+            PunchModel::All => PunchNatModel::All,
+            PunchModel::IPv4 => PunchNatModel::IPv4,
+            PunchModel::IPv6 => PunchNatModel::IPv6,
+            PunchModel::IPv4Tcp => PunchNatModel::IPv4Tcp,
+            PunchModel::IPv4Udp => PunchNatModel::IPv4Udp,
+            PunchModel::IPv6Tcp => PunchNatModel::IPv6Tcp,
+            PunchModel::IPv6Udp => PunchNatModel::IPv6Udp,
+        }
+    }
+}
+
+impl Into<PunchModel> for PunchNatModel {
+    fn into(self) -> PunchModel {
+        match self {
+            PunchNatModel::All => PunchModel::All,
+            PunchNatModel::IPv4 => PunchModel::IPv4,
+            PunchNatModel::IPv6 => PunchModel::IPv6,
+            PunchNatModel::IPv4Tcp => PunchModel::IPv4Tcp,
+            PunchNatModel::IPv4Udp => PunchModel::IPv4Udp,
+            PunchNatModel::IPv6Tcp => PunchModel::IPv6Tcp,
+            PunchNatModel::IPv6Udp => PunchModel::IPv6Udp,
+        }
+    }
+}
 
 #[derive(Clone, Debug)]
 pub struct NatInfo {
@@ -52,6 +111,8 @@ pub struct NatInfo {
     pub(crate) ipv6: Option<Ipv6Addr>,
     pub udp_ports: Vec<u16>,
     pub tcp_port: u16,
+    pub public_tcp_port: u16,
+    pub punch_model: PunchModel,
 }
 
 #[derive(Clone, Copy, PartialEq, Eq, Debug, Hash)]
@@ -60,6 +121,29 @@ pub enum NatType {
     Cone,
 }
 
+impl NatType {
+    pub fn is_cone(&self) -> bool {
+        self == &NatType::Cone
+    }
+}
+impl From<NatType> for PunchNatType {
+    fn from(value: NatType) -> Self {
+        match value {
+            NatType::Symmetric => PunchNatType::Symmetric,
+            NatType::Cone => PunchNatType::Cone,
+        }
+    }
+}
+
+impl Into<NatType> for PunchNatType {
+    fn into(self) -> NatType {
+        match self {
+            PunchNatType::Symmetric => NatType::Symmetric,
+            PunchNatType::Cone => NatType::Cone,
+        }
+    }
+}
+
 impl NatInfo {
     pub fn new(
         mut public_ips: Vec<Ipv4Addr>,
@@ -69,7 +153,9 @@ impl NatInfo {
         mut ipv6: Option<Ipv6Addr>,
         udp_ports: Vec<u16>,
         tcp_port: u16,
+        public_tcp_port: u16,
         mut nat_type: NatType,
+        punch_model: PunchModel,
     ) -> Self {
         public_ips.retain(|ip| {
             !ip.is_multicast()
@@ -99,7 +185,9 @@ impl NatInfo {
             ipv6,
             udp_ports,
             tcp_port,
+            public_tcp_port,
             nat_type,
+            punch_model,
         }
     }
     pub fn update_addr(&mut self, index: usize, ip: Ipv4Addr, port: u16) -> bool {
@@ -113,7 +201,7 @@ impl NatInfo {
                 *public_port = port;
             }
         }
-        if crate::nat::is_ipv4_global(&ip) {
+        if is_ipv4_global(&ip) {
             if !self.public_ips.contains(&ip) {
                 self.public_ips.push(ip);
                 updated = true;
@@ -122,6 +210,9 @@ impl NatInfo {
         }
         updated
     }
+    pub fn update_tcp_port(&mut self, port: u16) {
+        self.public_tcp_port = port;
+    }
     pub fn local_ipv4(&self) -> Option<Ipv4Addr> {
         self.local_ipv4
     }
@@ -187,9 +278,7 @@ pub struct Punch {
     port_vec: Vec<u16>,
     port_index: HashMap<Ipv4Addr, usize>,
     punch_model: PunchModel,
-    is_tcp: bool,
     connect_util: ConnectUtil,
-    external_route: ExternalRoute,
     nat_test: NatTest,
     current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
 }
@@ -198,9 +287,7 @@ impl Punch {
     pub fn new(
         context: ChannelContext,
         punch_model: PunchModel,
-        is_tcp: bool,
         connect_util: ConnectUtil,
-        external_route: ExternalRoute,
         nat_test: NatTest,
         current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
     ) -> Self {
@@ -213,9 +300,7 @@ impl Punch {
             port_vec,
             port_index: HashMap::new(),
             punch_model,
-            is_tcp,
             connect_util,
-            external_route,
             nat_test,
             current_device,
         }
@@ -227,7 +312,10 @@ impl Punch {
         if self.nat_test.is_local_address(true, addr) {
             return;
         }
-        self.connect_util.try_connect_tcp(buf.to_vec(), addr);
+        if addr.ip().is_unspecified() || addr.port() == 0 {
+            return;
+        }
+        self.connect_util.try_connect_tcp_punch(buf.to_vec(), addr);
     }
     pub fn punch(
         &mut self,
@@ -242,34 +330,58 @@ impl Punch {
             return Ok(());
         }
         let device_info = self.current_device.load();
-        nat_info.public_ips.retain(|ip| {
-            self.external_route.route(ip).is_none() && device_info.not_in_network(*ip)
-        });
-        nat_info.local_ipv4.filter(|ip| {
-            self.external_route.route(ip).is_none() && device_info.not_in_network(*ip)
-        });
-        nat_info.ipv6.filter(|ip| {
-            if let Some(ip) = ip.to_ipv4() {
-                self.external_route.route(&ip).is_none()
-            } else {
-                true
-            }
-        });
-        if punch_tcp && self.is_tcp && nat_info.tcp_port != 0 {
+
+        nat_info
+            .public_ips
+            .retain(|ip| is_ipv4_global(ip) && device_info.not_in_network(*ip));
+        nat_info.public_ports.retain(|port| *port != 0);
+        nat_info.udp_ports.retain(|port| *port != 0);
+
+        nat_info.local_ipv4 = nat_info
+            .local_ipv4
+            .filter(|ip| device_info.not_in_network(*ip));
+        if punch_tcp && self.punch_model.use_tcp() && nat_info.punch_model.use_tcp() {
             //向tcp发起连接
-            if let Some(ipv6_addr) = nat_info.local_tcp_ipv6addr() {
-                self.connect_tcp(buf, ipv6_addr)
+            if self.punch_model.use_ipv6() && nat_info.punch_model.use_ipv6() {
+                if let Some(ipv6_addr) = nat_info.local_tcp_ipv6addr() {
+                    self.connect_tcp(buf, ipv6_addr)
+                }
             }
-            //向tcp发起连接
-            if let Some(ipv4_addr) = nat_info.local_tcp_ipv4addr() {
-                self.connect_tcp(buf, ipv4_addr)
-            }
-            for ip in &nat_info.public_ips {
-                let addr = SocketAddr::V4(SocketAddrV4::new(*ip, nat_info.tcp_port));
-                self.connect_tcp(buf, addr)
+            if self.punch_model.use_ipv4() && nat_info.punch_model.use_ipv4() {
+                if let Some(ipv4_addr) = nat_info.local_tcp_ipv4addr() {
+                    self.connect_tcp(buf, ipv4_addr)
+                }
+                for ip in &nat_info.public_ips {
+                    let addr = SocketAddr::V4(SocketAddrV4::new(*ip, nat_info.tcp_port));
+                    self.connect_tcp(buf, addr);
+                }
+                if nat_info.nat_type.is_cone() && nat_info.public_tcp_port != 0 {
+                    for ip in &nat_info.public_ips {
+                        let addr = SocketAddr::V4(SocketAddrV4::new(*ip, nat_info.public_tcp_port));
+                        self.connect_tcp(buf, addr);
+                    }
+                }
             }
         }
+        if !self.punch_model.use_udp() || !nat_info.punch_model.use_udp() {
+            return Ok(());
+        }
         let channel_num = self.context.channel_num();
+        let main_len = self.context.main_len();
+
+        if self.punch_model.use_ipv6() && nat_info.punch_model.use_ipv6() {
+            for index in channel_num..main_len {
+                if let Some(ipv6_addr) = nat_info.local_udp_ipv6addr(index) {
+                    if !self.nat_test.is_local_address(false, ipv6_addr) {
+                        let rs = self.context.send_main_udp(index, buf, ipv6_addr);
+                        log::info!("发送到ipv6地址:{:?},rs={:?} {}", ipv6_addr, rs, id);
+                    }
+                }
+            }
+        }
+        if !self.punch_model.use_ipv4() || !nat_info.punch_model.use_ipv4() {
+            return Ok(());
+        }
         for index in 0..channel_num {
             if let Some(ipv4_addr) = nat_info.local_udp_ipv4addr(index) {
                 if !self.nat_test.is_local_address(false, ipv4_addr) {
@@ -277,20 +389,23 @@ impl Punch {
                 }
             }
         }
-
-        if self.punch_model != PunchModel::IPv4 {
-            for index in 0..channel_num {
-                if let Some(ipv6_addr) = nat_info.local_udp_ipv6addr(index) {
-                    if !self.nat_test.is_local_address(false, ipv6_addr) {
-                        let rs = self.context.send_main_udp(index, buf, ipv6_addr);
-                        log::info!("发送到ipv6地址:{:?},rs={:?}", ipv6_addr, rs);
-                        if rs.is_ok() && self.punch_model == PunchModel::IPv6 {
-                            return Ok(());
-                        }
+        // 可能是开放了端口的，需要打洞
+        for index in 0..channel_num {
+            for port in &nat_info.udp_ports {
+                if *port == 0 {
+                    continue;
+                }
+                for ip in &nat_info.public_ips {
+                    if ip.is_unspecified() {
+                        continue;
                     }
+                    let addr = SocketAddrV4::new(*ip, *port);
+                    let _ = self.context.send_main_udp(index, buf, addr.into());
+                    thread::sleep(Duration::from_millis(3));
                 }
             }
         }
+
         match nat_info.nat_type {
             NatType::Symmetric => {
                 // 假设对方绑定n个端口，通过NAT对外映射出n个 公网ip:公网端口，自己随机尝试k次的情况下

vnt/src/channel/sender.rs

@@ -239,13 +239,13 @@ impl PacketSender {
 
 #[derive(Clone)]
 pub struct ConnectUtil {
-    connect_tcp: Sender<(Vec<u8>, SocketAddr)>,
+    connect_tcp: Sender<(Vec<u8>, Option<u16>, SocketAddr)>,
     connect_ws: Sender<(Vec<u8>, String)>,
 }
 
 impl ConnectUtil {
     pub fn new(
-        connect_tcp: Sender<(Vec<u8>, SocketAddr)>,
+        connect_tcp: Sender<(Vec<u8>, Option<u16>, SocketAddr)>,
         connect_ws: Sender<(Vec<u8>, String)>,
     ) -> Self {
         Self {
@@ -254,7 +254,13 @@ impl ConnectUtil {
         }
     }
     pub fn try_connect_tcp(&self, buf: Vec<u8>, addr: SocketAddr) {
-        if self.connect_tcp.try_send((buf, addr)).is_err() {
+        if self.connect_tcp.try_send((buf, None, addr)).is_err() {
+            log::warn!("try_connect_tcp failed {}", addr);
+        }
+    }
+    pub fn try_connect_tcp_punch(&self, buf: Vec<u8>, addr: SocketAddr) {
+        // 打洞的连接可以绑定随机端口
+        if self.connect_tcp.try_send((buf, Some(0), addr)).is_err() {
             log::warn!("try_connect_tcp failed {}", addr);
         }
     }

vnt/src/channel/socket/mod.rs

@@ -0,0 +1,138 @@
+use anyhow::{anyhow, Context};
+use network_interface::{NetworkInterface, NetworkInterfaceConfig};
+use socket2::Protocol;
+use std::net::{IpAddr, Ipv4Addr, SocketAddr};
+
+#[cfg(unix)]
+mod unix;
+#[cfg(windows)]
+mod windows;
+
+pub trait VntSocketTrait {
+    fn set_ip_unicast_if(&self, _interface: &LocalInterface) -> anyhow::Result<()> {
+        Ok(())
+    }
+}
+
+#[derive(Clone, Debug, Default)]
+pub struct LocalInterface {
+    index: u32,
+    #[cfg(unix)]
+    name: Option<String>,
+}
+
+pub async fn connect_tcp(
+    addr: SocketAddr,
+    bind_port: u16,
+    default_interface: &LocalInterface,
+) -> anyhow::Result<tokio::net::TcpStream> {
+    let socket = create_tcp0(addr.is_ipv4(), bind_port, default_interface)?;
+    Ok(socket.connect(addr).await?)
+}
+pub fn create_tcp(
+    v4: bool,
+    default_interface: &LocalInterface,
+) -> anyhow::Result<tokio::net::TcpSocket> {
+    create_tcp0(v4, 0, default_interface)
+}
+pub fn create_tcp0(
+    v4: bool,
+    bind_port: u16,
+    default_interface: &LocalInterface,
+) -> anyhow::Result<tokio::net::TcpSocket> {
+    let socket = if v4 {
+        socket2::Socket::new(
+            socket2::Domain::IPV4,
+            socket2::Type::STREAM,
+            Some(Protocol::TCP),
+        )?
+    } else {
+        socket2::Socket::new(
+            socket2::Domain::IPV6,
+            socket2::Type::STREAM,
+            Some(Protocol::TCP),
+        )?
+    };
+    if v4 {
+        if let Err(e) = socket.set_ip_unicast_if(default_interface) {
+            log::warn!("set_ip_unicast_if {:?}", e)
+        }
+    }
+    if bind_port != 0 {
+        socket
+            .set_reuse_address(true)
+            .context("set_reuse_address")?;
+        #[cfg(unix)]
+        if let Err(e) = socket.set_reuse_port(true) {
+            log::warn!("set_reuse_port {:?}", e)
+        }
+        if v4 {
+            let addr: SocketAddr = format!("0.0.0.0:{}", bind_port).parse().unwrap();
+            socket.bind(&addr.into())?;
+        } else {
+            socket.set_only_v6(true)?;
+            let addr: SocketAddr = format!("[::]:{}", bind_port).parse().unwrap();
+            socket.bind(&addr.into())?;
+        }
+    }
+    socket.set_nonblocking(true)?;
+    socket.set_nodelay(true)?;
+    Ok(tokio::net::TcpSocket::from_std_stream(socket.into()))
+}
+pub fn bind_udp_ops(
+    addr: SocketAddr,
+    only_v6: bool,
+    default_interface: &LocalInterface,
+) -> anyhow::Result<socket2::Socket> {
+    let socket = if addr.is_ipv4() {
+        let socket = socket2::Socket::new(
+            socket2::Domain::IPV4,
+            socket2::Type::DGRAM,
+            Some(Protocol::UDP),
+        )?;
+        if let Err(e) = socket.set_ip_unicast_if(default_interface) {
+            log::warn!("set_ip_unicast_if {:?}", e)
+        }
+        socket
+    } else {
+        let socket = socket2::Socket::new(
+            socket2::Domain::IPV6,
+            socket2::Type::DGRAM,
+            Some(Protocol::UDP),
+        )?;
+        socket
+            .set_only_v6(only_v6)
+            .with_context(|| format!("set_only_v6 failed: {}", &addr))?;
+        socket
+    };
+    socket.set_nonblocking(true)?;
+    socket.bind(&addr.into())?;
+    Ok(socket)
+}
+pub fn bind_udp(
+    addr: SocketAddr,
+    default_interface: &LocalInterface,
+) -> anyhow::Result<socket2::Socket> {
+    bind_udp_ops(addr, true, default_interface).with_context(|| format!("{}", addr))
+}
+
+pub fn get_interface(dest_name: String) -> anyhow::Result<(LocalInterface, Ipv4Addr)> {
+    let network_interfaces = NetworkInterface::show()?;
+    for iface in network_interfaces {
+        if iface.name == dest_name {
+            for addr in iface.addr {
+                if let IpAddr::V4(ip) = addr.ip() {
+                    return Ok((
+                        LocalInterface {
+                            index: iface.index,
+                            #[cfg(unix)]
+                            name: Some(iface.name),
+                        },
+                        ip,
+                    ));
+                }
+            }
+        }
+    }
+    Err(anyhow!("No network card with name {} found", dest_name))
+}

vnt/src/channel/socket/unix.rs

@@ -0,0 +1,46 @@
+use crate::channel::socket::{LocalInterface, VntSocketTrait};
+#[cfg(any(target_os = "linux", target_os = "macos"))]
+use anyhow::Context;
+
+#[cfg(target_os = "linux")]
+impl VntSocketTrait for socket2::Socket {
+    fn set_ip_unicast_if(&self, interface: &LocalInterface) -> anyhow::Result<()> {
+        if let Some(name) = &interface.name {
+            self.bind_device(Some(name.as_bytes()))
+                .context("bind_device")?;
+        }
+        Ok(())
+    }
+}
+#[cfg(target_os = "macos")]
+impl VntSocketTrait for socket2::Socket {
+    fn set_ip_unicast_if(&self, interface: &LocalInterface) -> anyhow::Result<()> {
+        if interface.index != 0 {
+            self.bind_device_by_index_v4(std::num::NonZeroU32::new(interface.index))
+                .with_context(|| format!("bind_device_by_index_v4 {:?}", interface))?;
+        }
+        Ok(())
+    }
+}
+#[cfg(target_os = "android")]
+impl VntSocketTrait for socket2::Socket {
+    fn set_ip_unicast_if(&self, _interface: &LocalInterface) -> anyhow::Result<()> {
+        Ok(())
+    }
+}
+
+// #[cfg(any(target_os = "linux", target_os = "macos"))]
+// pub fn get_best_interface(dest_ip: Ipv4Addr) -> anyhow::Result<LocalInterface> {
+//     match get_interface(dest_ip) {
+//         Ok(iface) => return Ok(iface),
+//         Err(e) => {
+//             log::warn!("not find interface e={:?},ip={}", e, dest_ip);
+//         }
+//     }
+//     // 应该再查路由表找到默认路由的
+//     Ok(LocalInterface::default())
+// }
+// #[cfg(target_os = "android")]
+// pub fn get_best_interface(_dest_ip: Ipv4Addr) -> anyhow::Result<LocalInterface> {
+//     Ok(LocalInterface::default())
+// }

vnt/src/channel/socket/windows.rs

@@ -0,0 +1,56 @@
+use std::mem;
+use std::os::windows::io::AsRawSocket;
+
+use windows_sys::core::PCSTR;
+use windows_sys::Win32::Networking::WinSock::{
+    htonl, setsockopt, IPPROTO_IP, IP_UNICAST_IF, SOCKET_ERROR,
+};
+
+use crate::channel::socket::{LocalInterface, VntSocketTrait};
+
+impl VntSocketTrait for socket2::Socket {
+    fn set_ip_unicast_if(&self, interface: &LocalInterface) -> anyhow::Result<()> {
+        let index = interface.index;
+        if index == 0 {
+            return Ok(());
+        }
+        let raw_socket = self.as_raw_socket();
+        let result = unsafe {
+            let best_interface = htonl(index);
+            setsockopt(
+                raw_socket as usize,
+                IPPROTO_IP,
+                IP_UNICAST_IF,
+                &best_interface as *const _ as PCSTR,
+                mem::size_of_val(&best_interface) as i32,
+            )
+        };
+        if result == SOCKET_ERROR {
+            Err(anyhow::anyhow!(
+                "Failed to set IP_UNICAST_IF: {:?} {}",
+                std::io::Error::last_os_error(),
+                index
+            ))?;
+        }
+        Ok(())
+    }
+}
+
+// pub fn get_best_interface(dest_ip: Ipv4Addr) -> anyhow::Result<LocalInterface> {
+//     // 获取最佳接口
+//     let index = unsafe {
+//         let mut dest: SOCKADDR_IN = mem::zeroed();
+//         dest.sin_family = AF_INET as u16;
+//         dest.sin_addr.S_un.S_addr = u32::from_ne_bytes(dest_ip.octets());
+//
+//         let mut index: u32 = 0;
+//         if GetBestInterfaceEx(&dest as *const _ as *mut SOCKADDR, &mut index) != 0 {
+//             Err(anyhow::anyhow!(
+//                 "Failed to GetBestInterfaceEx: {:?}",
+//                 std::io::Error::last_os_error()
+//             ))?;
+//         }
+//         index
+//     };
+//     Ok(LocalInterface { index })
+// }

vnt/src/channel/tcp_channel.rs

@@ -1,5 +1,9 @@
 use anyhow::{anyhow, Context};
 use std::net::SocketAddr;
+#[cfg(unix)]
+use std::os::unix::io::AsRawFd;
+#[cfg(windows)]
+use std::os::windows::io::AsRawSocket;
 use std::thread;
 use std::time::Duration;
 use tokio::io::{AsyncReadExt, AsyncWrite, AsyncWriteExt};
@@ -10,13 +14,14 @@ use tokio::sync::mpsc::{channel, Receiver};
 use crate::channel::context::ChannelContext;
 use crate::channel::handler::RecvChannelHandler;
 use crate::channel::sender::PacketSender;
+use crate::channel::socket::create_tcp0;
 use crate::channel::{ConnectProtocol, RouteKey, BUFFER_SIZE, TCP_MAX_PACKET_SIZE};
 use crate::util::StopManager;
 
 /// 监听tcp端口，等待客户端连接
 pub fn tcp_listen<H>(
     tcp_server: std::net::TcpListener,
-    receiver: Receiver<(Vec<u8>, SocketAddr)>,
+    receiver: Receiver<(Vec<u8>, Option<u16>, SocketAddr)>,
     recv_handler: H,
     context: ChannelContext,
     stop_manager: StopManager,
@@ -28,6 +33,7 @@ where
     let worker = stop_manager.add_listener("tcpChannel".into(), move || {
         let _ = stop_sender.send(());
     })?;
+    let bind_port = tcp_server.local_addr()?.port();
     let runtime = tokio::runtime::Builder::new_multi_thread()
         .worker_threads(2)
         .enable_all()
@@ -46,9 +52,9 @@ where
                         }
                     });
                 }
-                tokio::spawn(
-                    async move { connect_tcp_handle(receiver, recv_handler, context).await },
-                );
+                tokio::spawn(async move {
+                    connect_tcp_handle(receiver, recv_handler, context, bind_port).await
+                });
             });
             runtime.block_on(async {
                 let _ = stop_receiver.await;
@@ -61,18 +67,24 @@ where
 }
 
 async fn connect_tcp_handle<H>(
-    mut receiver: Receiver<(Vec<u8>, SocketAddr)>,
+    mut receiver: Receiver<(Vec<u8>, Option<u16>, SocketAddr)>,
     recv_handler: H,
     context: ChannelContext,
+    listener_bind_port: u16,
 ) where
     H: RecvChannelHandler,
 {
-    while let Some((data, addr)) = receiver.recv().await {
+    while let Some((data, bind_port, addr)) = receiver.recv().await {
         let recv_handler = recv_handler.clone();
         let context = context.clone();
+        let bind_port = if let Some(bind_port) = bind_port {
+            bind_port
+        } else {
+            listener_bind_port
+        };
         tokio::spawn(async move {
-            if let Err(e) = connect_tcp0(data, addr, recv_handler, context).await {
-                log::warn!("发送失败,链接终止:{:?},{:?}", addr, e);
+            if let Err(e) = connect_tcp0(data, addr, recv_handler, context, bind_port).await {
+                log::warn!("连接失败,链接终止:{:?},{:?}", addr, e);
             }
         });
     }
@@ -83,12 +95,23 @@ async fn connect_tcp0<H>(
     addr: SocketAddr,
     recv_handler: H,
     context: ChannelContext,
+    bind_port: u16,
 ) -> anyhow::Result<()>
 where
     H: RecvChannelHandler,
 {
-    let mut stream =
-        tokio::time::timeout(Duration::from_secs(3), TcpStream::connect(addr)).await??;
+    let socket = if bind_port != 0 {
+        match create_tcp0(addr.is_ipv4(), bind_port, context.default_interface()) {
+            Ok(socket) => socket,
+            Err(e) => {
+                log::warn!("{:?}", e);
+                create_tcp0(addr.is_ipv4(), 0, context.default_interface())?
+            }
+        }
+    } else {
+        create_tcp0(addr.is_ipv4(), 0, context.default_interface())?
+    };
+    let mut stream = tokio::time::timeout(Duration::from_secs(3), socket.connect(addr)).await??;
     tcp_write(&mut stream, &data).await?;
 
     tcp_stream_handle(stream, addr, recv_handler, context).await;
@@ -107,6 +130,7 @@ where
 
     loop {
         let (stream, addr) = tcp_server.accept().await?;
+
         tcp_stream_handle(stream, addr, recv_handler.clone(), context.clone()).await;
     }
 }
@@ -120,12 +144,18 @@ pub async fn tcp_stream_handle<H>(
     H: RecvChannelHandler,
 {
     let _ = stream.set_nodelay(true);
+    let local = stream.local_addr();
+    #[cfg(windows)]
+    let index = stream.as_raw_socket() as usize;
+    #[cfg(unix)]
+    let index = stream.as_raw_fd() as usize;
+    let route_key = RouteKey::new(ConnectProtocol::TCP, index, addr);
     let (r, mut w) = stream.into_split();
     let (sender, mut receiver) = channel::<Vec<u8>>(100);
     context
         .packet_map
         .write()
-        .insert(addr, PacketSender::new(sender));
+        .insert(route_key, PacketSender::new(sender));
     tokio::spawn(async move {
         while let Some(data) = receiver.recv().await {
             if let Err(e) = tcp_write(&mut w, &data).await {
@@ -136,10 +166,10 @@ pub async fn tcp_stream_handle<H>(
         let _ = w.shutdown().await;
     });
     tokio::spawn(async move {
-        if let Err(e) = tcp_read(r, addr, &context, recv_handler).await {
-            log::warn!("tcp_read {:?}", e)
+        if let Err(e) = tcp_read(r, addr, &context, recv_handler, route_key).await {
+            log::warn!("tcp_read {:?} {local:?}-{addr}", e)
         }
-        context.packet_map.write().remove(&addr);
+        context.packet_map.write().remove(&route_key);
     });
 }
 
@@ -159,6 +189,7 @@ async fn tcp_read<H>(
     addr: SocketAddr,
     context: &ChannelContext,
     recv_handler: H,
+    route_key: RouteKey,
 ) -> anyhow::Result<()>
 where
     H: RecvChannelHandler,
@@ -176,11 +207,6 @@ where
             return Err(anyhow!("tcp数据长度无效 {}", addr));
         }
         read.read_exact(&mut buf[..len]).await?;
-        recv_handler.handle(
-            &mut buf[..len],
-            &mut extend,
-            RouteKey::new(ConnectProtocol::TCP, 0, addr),
-            context,
-        );
+        recv_handler.handle(&mut buf[..len], &mut extend, route_key, context);
     }
 }

vnt/src/channel/udp_channel.rs

@@ -1,4 +1,3 @@
-use std::collections::HashMap;
 use std::sync::mpsc::{sync_channel, Receiver};
 use std::{io, thread};
 
@@ -71,7 +70,8 @@ where
     let mut events = Events::with_capacity(1024);
     let mut buf = [0; BUFFER_SIZE];
     let mut extend = [0; BUFFER_SIZE];
-    let mut read_map: HashMap<Token, UdpSocket> = HashMap::with_capacity(32);
+    let mut list: Vec<UdpSocket> = Vec::with_capacity(100);
+    let main_len = context.main_len();
     loop {
         if let Err(e) = poll.poll(&mut events, None) {
             crate::ignore_io_interrupted(e)?;
@@ -88,39 +88,43 @@ where
                             match option {
                                 None => {
                                     log::info!("切换成锥形模式");
-                                    for (_, mut udp_socket) in read_map.drain() {
+                                    for mut udp_socket in list.drain(..) {
                                         if let Err(e) = udp_socket.deregister(poll.registry()) {
                                             log::error!("{:?}", e);
                                         }
                                     }
                                 }
                                 Some(socket_list) => {
+                                    for mut udp_socket in list.drain(..) {
+                                        if let Err(e) = udp_socket.deregister(poll.registry()) {
+                                            log::error!("deregister {:?}", e);
+                                        }
+                                    }
                                     log::info!("切换成对称模式 监听端口数：{}", socket_list.len());
                                     for (index, mut udp_socket) in
                                         socket_list.into_iter().enumerate()
                                     {
-                                        let token = Token(index + context.channel_num());
                                         poll.registry().register(
                                             &mut udp_socket,
-                                            token,
+                                            Token(index),
                                             Interest::READABLE,
                                         )?;
-                                        read_map.insert(token, udp_socket);
+                                        list.push(udp_socket);
                                     }
                                 }
                             }
                         }
                     }
                 }
-                token => {
-                    if let Some(udp_socket) = read_map.get(&token) {
+                Token(index) => {
+                    if let Some(udp_socket) = list.get(index) {
                         loop {
                             match udp_socket.recv_from(&mut buf) {
                                 Ok((len, addr)) => {
                                     recv_handler.handle(
                                         &mut buf[..len],
                                         &mut extend,
-                                        RouteKey::new(ConnectProtocol::UDP, token.0, addr),
+                                        RouteKey::new(ConnectProtocol::UDP, index + main_len, addr),
                                         &context,
                                     );
                                 }
@@ -266,6 +270,7 @@ where
         for x in events.iter() {
             let index = match x.token() {
                 NOTIFY => return Ok(()),
+                // 0的位置留给NOTIFY了，这里要再减回去，因为路由是通过index来找到对应udp的
                 Token(index) => index - 1,
             };
             let udp = if let Some(udp) = udps.get(index) {

vnt/src/channel/ws_channel.rs

@@ -58,14 +58,16 @@ async fn connect_ws_handle<H>(
 ) where
     H: RecvChannelHandler,
 {
+    let mut index = 0;
     while let Some((data, url)) = receiver.recv().await {
         let recv_handler = recv_handler.clone();
         let context = context.clone();
         tokio::spawn(async move {
-            if let Err(e) = connect_ws(data, url, recv_handler, context).await {
+            if let Err(e) = connect_ws(data, url, recv_handler, context, index).await {
                 log::warn!("发送失败,ws链接终止:{:?}", e);
             }
         });
+        index += 1;
     }
 }
 const WS_ADDR: SocketAddr = SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::UNSPECIFIED, 0));
@@ -75,6 +77,7 @@ async fn connect_ws<H>(
     mut url: String,
     recv_handler: H,
     context: ChannelContext,
+    index: usize,
 ) -> anyhow::Result<()>
 where
     H: RecvChannelHandler,
@@ -100,7 +103,16 @@ where
                             if let Ok(redirect) = v.to_str() {
                                 log::info!("url重定向响应头 {:?}", res.headers());
                                 log::info!("url重定向地址 {}", redirect);
-                                url = redirect.to_string();
+                                // 替换协议前缀
+                                if redirect.starts_with("http://") {
+                                    url = redirect.replacen("http://", "ws://", 1);
+                                } else if redirect.starts_with("https://") {
+                                    url = redirect.replacen("https://", "wss://", 1);
+                                } else {
+                                    url = redirect.to_string();
+                                }
+                                println!("Location：{}", url);
+                                log::info!("修改后的重定向地址: {}", url);
                                 continue;
                             }
                         }
@@ -114,10 +126,12 @@ where
     ws.send(Message::Binary(data)).await?;
     let (mut ws_write, ws_read) = ws.split();
     let (sender, mut receiver) = channel::<Vec<u8>>(100);
+    let route_key = RouteKey::new(ConnectProtocol::WS, index, WS_ADDR);
+
     context
         .packet_map
         .write()
-        .insert(WS_ADDR, PacketSender::new(sender));
+        .insert(route_key, PacketSender::new(sender));
     tokio::spawn(async move {
         while let Some(data) = receiver.recv().await {
             if let Err(e) = ws_write.send(Message::Binary(data)).await {
@@ -127,22 +141,22 @@ where
         }
         let _ = ws_write.close().await;
     });
-    if let Err(e) = ws_read_handle(ws_read, recv_handler, &context).await {
+    if let Err(e) = ws_read_handle(ws_read, recv_handler, &context, route_key).await {
         log::warn!("{:?}", e);
     }
-    context.packet_map.write().remove(&WS_ADDR);
+    context.packet_map.write().remove(&route_key);
     Ok(())
 }
 async fn ws_read_handle<H>(
     mut ws_read: SplitStream<WebSocketStream<MaybeTlsStream<TcpStream>>>,
     recv_handler: H,
     context: &ChannelContext,
+    route_key: RouteKey,
 ) -> anyhow::Result<()>
 where
     H: RecvChannelHandler,
 {
     let mut extend = [0; BUFFER_SIZE];
-    let route_key = RouteKey::new(ConnectProtocol::WS, 0, WS_ADDR);
     while let Some(msg) = ws_read.next().await {
         let msg = msg.context("Error during WebSocket ")?;
         match msg {

vnt/src/core/conn.rs

@@ -105,6 +105,7 @@ impl VntInner {
         } else {
             (None, None)
         };
+
         //服务端非对称加密
         #[cfg(feature = "server_encrypt")]
         let rsa_cipher: Arc<Mutex<Option<RsaCipher>>> = Arc::new(Mutex::new(None));
@@ -131,6 +132,13 @@ impl VntInner {
         //设备列表
         let device_map: Arc<Mutex<(u16, HashMap<Ipv4Addr, PeerDeviceInfo>)>> =
             Arc::new(Mutex::new((0, HashMap::with_capacity(16))));
+        let local_ipv4 = if let Some(local_ipv4) = config.local_ipv4 {
+            Some(local_ipv4)
+        } else {
+            nat::local_ipv4()
+        };
+        let default_interface = config.local_interface.clone();
+
         //基础信息
         let config_info = BaseConfigInfo::new(
             config.name.clone(),
@@ -149,6 +157,7 @@ impl VntInner {
             #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
             config.device_name.clone(),
             config.allow_wire_guard,
+            default_interface.clone(),
         );
         // 服务停止管理器
         let stop_manager = {
@@ -179,10 +188,10 @@ impl VntInner {
             config.protocol,
             config.packet_loss_rate,
             config.packet_delay,
+            default_interface,
             up_traffic_meter.clone(),
             down_traffic_meter.clone(),
         )?;
-        let local_ipv4 = nat::local_ipv4();
         let local_ipv6 = nat::local_ipv6();
         let udp_ports = context.main_local_udp_port()?;
         let tcp_port = tcp_listener.local_addr()?.port();
@@ -194,6 +203,8 @@ impl VntInner {
             local_ipv6,
             udp_ports,
             tcp_port,
+            config.local_ipv4.is_none(),
+            config.punch_model,
         );
         // 定时器
         let scheduler = Scheduler::new(stop_manager.clone())?;
@@ -266,9 +277,7 @@ impl VntInner {
         let punch = Punch::new(
             context.clone(),
             config.punch_model,
-            config.protocol.is_base_tcp(),
             connect_util.clone(),
-            external_route.clone(),
             nat_test.clone(),
             current_device.clone(),
         );
@@ -304,7 +313,7 @@ impl VntInner {
             let client_cipher = client_cipher.clone();
             let server_cipher = server_cipher.clone();
             //延迟启动
-            scheduler.timeout(Duration::from_secs(3), move |scheduler| {
+            scheduler.timeout(Duration::from_secs(1), move |scheduler| {
                 start(
                     scheduler,
                     context,

vnt/src/core/mod.rs

@@ -5,6 +5,7 @@ use std::str::FromStr;
 pub use conn::Vnt;
 
 use crate::channel::punch::PunchModel;
+use crate::channel::socket::LocalInterface;
 use crate::channel::{ConnectProtocol, UseChannelType};
 use crate::cipher::CipherModel;
 use crate::compression::Compressor;
@@ -52,6 +53,8 @@ pub struct Config {
     pub compressor: Compressor,
     pub enable_traffic: bool,
     pub allow_wire_guard: bool,
+    pub local_ipv4: Option<Ipv4Addr>,
+    pub local_interface: LocalInterface,
 }
 
 impl Config {
@@ -91,6 +94,7 @@ impl Config {
         enable_traffic: bool,
         // 允许传递wg流量
         allow_wire_guard: bool,
+        local_dev: Option<String>,
     ) -> anyhow::Result<Self> {
         for x in stun_server.iter_mut() {
             if !x.contains(":") {
@@ -137,9 +141,28 @@ impl Config {
                 server_address_str = s.to_string();
                 protocol = ConnectProtocol::TCP;
             }
-            server_address =
-                address_choose(dns_query_all(&server_address_str, name_servers.clone())?)?;
+            let address_result = dns_query_all(
+                &server_address_str,
+                name_servers.clone(),
+                &LocalInterface::default(),
+            );
+            match address_result {
+                Ok(address) => match address_choose(address) {
+                    Ok(resolved_address) => {
+                        server_address = resolved_address;
+                    }
+                    Err(e) => {
+                        log::error!("Failed to choose address: {}", e);
+                        println!("Failed to choose address: {}", e);
+                    }
+                },
+                Err(e) => {
+                    log::error!("DNS query failed: {}", e);
+                    println!("DNS query failed: {}", e);
+                }
+            }
         }
+
         #[cfg(feature = "port_mapping")]
         let port_mapping_list = crate::port_mapping::convert(port_mapping_list)?;
 
@@ -147,6 +170,13 @@ impl Config {
             *dest = *mask & *dest;
         }
         in_ips.sort_by(|(dest1, _, _), (dest2, _, _)| dest2.cmp(dest1));
+        let (local_interface, local_ipv4) = if let Some(local_dev) = local_dev {
+            let (default_interface, ip) = crate::channel::socket::get_interface(local_dev)?;
+            log::info!("default_interface = {:?} local_ip= {ip}", default_interface);
+            (default_interface, Some(ip))
+        } else {
+            (LocalInterface::default(), None)
+        };
         Ok(Self {
             #[cfg(feature = "integrated_tun")]
             #[cfg(target_os = "windows")]
@@ -184,6 +214,8 @@ impl Config {
             compressor,
             enable_traffic,
             allow_wire_guard,
+            local_ipv4,
+            local_interface,
         })
     }
 }

vnt/src/handle/callback.rs

@@ -172,6 +172,8 @@ pub enum ErrorType {
     IpAlreadyExists,
     InvalidIp,
     LocalIpExists,
+    FailedToCrateDevice,
+    Warn,
     Unknown,
 }
 
@@ -184,6 +186,8 @@ impl Into<u8> for ErrorType {
             ErrorType::IpAlreadyExists => 4,
             ErrorType::InvalidIp => 5,
             ErrorType::LocalIpExists => 6,
+            ErrorType::FailedToCrateDevice => 101,
+            ErrorType::Warn => 102,
             ErrorType::Unknown => 255,
         }
     }

vnt/src/handle/maintain/heartbeat.rs

@@ -56,6 +56,7 @@ fn heartbeat0(
 ) {
     let gateway_ip = current_device.virtual_gateway;
     let src_ip = current_device.virtual_ip;
+    let channel_num = context.channel_num();
     // 可能服务器ip发生变化，导致发送失败
     let mut is_send_gateway = false;
     match heartbeat_packet_server(device_map, server_cipher, src_ip, gateway_ip) {
@@ -87,7 +88,16 @@ fn heartbeat0(
                 continue;
             }
         };
-        for route in routes {
+        for (index, route) in routes.iter().enumerate() {
+            let limit = if context.first_latency() {
+                channel_num + 1
+            } else {
+                channel_num
+            };
+            if index >= limit {
+                // 多余的通道不再发送心跳包,让它自动过期
+                break;
+            }
             if let Err(e) = context.send_by_key(&net_packet, route.route_key()) {
                 log::warn!("heartbeat err={:?}", e)
             }

vnt/src/handle/maintain/idle.rs

@@ -7,6 +7,7 @@ use crossbeam_utils::atomic::AtomicCell;
 use crate::channel::context::ChannelContext;
 use crate::channel::idle::{Idle, IdleType};
 use crate::channel::sender::ConnectUtil;
+use crate::channel::socket::LocalInterface;
 use crate::channel::ConnectProtocol;
 use crate::handle::callback::{ConnectInfo, ErrorType};
 use crate::handle::handshaker::Handshake;
@@ -49,7 +50,7 @@ pub fn idle_gateway<Call: VntCallback>(
         &mut connect_count,
         &handshake,
     );
-    let rs = scheduler.timeout(Duration::from_secs(5), move |s| {
+    let rs = scheduler.timeout(Duration::from_secs(8), move |s| {
         idle_gateway(
             s,
             context,
@@ -130,7 +131,8 @@ fn check_gateway_channel<Call: VntCallback>(
         let connect_protocol = context.main_protocol();
         if connect_protocol.is_transport() {
             // 传输层的协议需要探测服务器地址
-            current_device = domain_request0(current_device_info, config);
+            current_device =
+                domain_request0(current_device_info, config, context.default_interface());
         }
         //需要重连
         call.connect(ConnectInfo::new(*count, current_device.connect_server));
@@ -160,11 +162,16 @@ fn check_gateway_channel<Call: VntCallback>(
 pub fn domain_request0(
     current_device: &AtomicCell<CurrentDeviceInfo>,
     config: &BaseConfigInfo,
+    default_interface: &LocalInterface,
 ) -> CurrentDeviceInfo {
     let mut current_dev = current_device.load();
 
     // 探测服务端地址变化
-    match dns_query_all(&config.server_addr, config.name_servers.clone()) {
+    match dns_query_all(
+        &config.server_addr,
+        config.name_servers.clone(),
+        default_interface,
+    ) {
         Ok(addrs) => {
             log::info!(
                 "domain {} dns {:?} addr {:?}",

vnt/src/handle/maintain/punch.rs

@@ -149,7 +149,7 @@ fn punch_start(
                 *v += 1;
                 *v
             } else {
-                guard.insert(peer_ip, 1);
+                guard.insert(peer_ip, 0);
                 0
             }
         };
@@ -175,7 +175,7 @@ fn punch_request(
     client_cipher: Cipher,
     count: usize,
     punch_record: Arc<Mutex<HashMap<Ipv4Addr, usize>>>,
-    mut last_punch_record: HashMap<Ipv4Addr, usize>,
+    mut last_punch_record: HashMap<Ipv4Addr, PunchRecordItem>,
 ) {
     let curr = current_device.load();
     let secs = if curr.status.online() {
@@ -213,6 +213,11 @@ fn punch_request(
         log::info!("定时任务停止");
     }
 }
+#[derive(Copy, Clone, Default)]
+struct PunchRecordItem {
+    pub punch_record: usize,
+    pub last_p2p_num: usize,
+}
 
 /// 随机对需要打洞的客户端发起打洞请求
 fn punch0(
@@ -222,7 +227,7 @@ fn punch0(
     current_device: CurrentDeviceInfo,
     client_cipher: &Cipher,
     punch_record: &Mutex<HashMap<Ipv4Addr, usize>>,
-    last_punch_record: &mut HashMap<Ipv4Addr, usize>,
+    last_punch_record: &mut HashMap<Ipv4Addr, PunchRecordItem>,
     total_count: usize,
 ) -> anyhow::Result<()> {
     let nat_info = nat_test.nat_info();
@@ -241,12 +246,17 @@ fn punch0(
         .lock()
         .1
         .values()
-        .filter(|info| !info.wireguard && info.status.is_online() && info.virtual_ip > current_ip)
+        .filter(|info| !info.wireguard && info.virtual_ip > current_ip)
         .cloned()
         .collect();
     list.shuffle(&mut rand::thread_rng());
     for info in list {
-        let punch_count = punch_record
+        if info.status.is_offline() {
+            // 客户端掉线了要重置打洞记录
+            punch_record.lock().remove(&info.virtual_ip);
+            continue;
+        }
+        let mut punch_count = punch_record
             .lock()
             .get(&info.virtual_ip)
             .cloned()
@@ -256,12 +266,11 @@ fn punch0(
         let p2p_num = context.route_table.p2p_num(&info.virtual_ip);
         let mut max_punch_interval = 50;
         if p2p_num > 0 {
-            if punch_count == 0 {
-                continue;
-            }
             if p2p_num >= context.channel_num() {
                 //通道数满足要求，不再打洞
-                punch_record.lock().remove(&info.virtual_ip);
+                if punch_count != 0 {
+                    punch_record.lock().remove(&info.virtual_ip);
+                }
                 continue;
             }
             //有p2p通道，但是通道数量不够，则继续打洞
@@ -269,13 +278,18 @@ fn punch0(
             max_punch_interval = 300;
         }
         // 能发起打洞的前提是自己空闲，这里会间隔5秒以上发起一次打洞，所以假定上一轮打洞已结束
-        let last_punch = last_punch_record
-            .get(&info.virtual_ip)
-            .cloned()
-            .unwrap_or(0);
+        let last_punch = last_punch_record.entry(info.virtual_ip).or_default();
+        if last_punch.last_p2p_num > p2p_num {
+            // 打的洞掉线了,需要重置重新打
+            punch_record.lock().remove(&info.virtual_ip);
+            punch_count = 0;
+        }
+
         // 梯度增加打洞时间间隔
-        if total_count > last_punch + punch_count.min(max_punch_interval) {
-            last_punch_record.insert(info.virtual_ip, total_count);
+        if total_count > last_punch.punch_record + punch_count.min(max_punch_interval) {
+            // 记录打洞周期，抑制下一次打洞，从而递减打洞频率
+            last_punch.punch_record = total_count;
+            last_punch.last_p2p_num = p2p_num;
             let packet = punch_packet(
                 client_cipher,
                 current_device.virtual_ip(),
@@ -312,6 +326,7 @@ fn punch_packet(
     punch_reply.public_port = nat_info.public_ports.get(0).map_or(0, |v| *v as u32);
     punch_reply.public_ports = nat_info.public_ports.iter().map(|e| *e as u32).collect();
     punch_reply.public_port_range = nat_info.public_port_range as u32;
+    punch_reply.public_tcp_port = nat_info.public_tcp_port as u32;
     punch_reply.local_ip = u32::from(nat_info.local_ipv4().unwrap_or(Ipv4Addr::UNSPECIFIED));
     punch_reply.local_port = nat_info.udp_ports[0] as u32;
     punch_reply.tcp_port = nat_info.tcp_port as u32;
@@ -321,6 +336,7 @@ fn punch_packet(
         punch_reply.ipv6 = ipv6.octets().to_vec();
     }
     punch_reply.nat_type = protobuf::EnumOrUnknown::new(PunchNatType::from(nat_info.nat_type));
+    punch_reply.punch_model = protobuf::EnumOrUnknown::new(nat_info.punch_model.into());
     log::info!("请求打洞={:?}", punch_reply);
     let bytes = punch_reply
         .write_to_bytes()

vnt/src/handle/maintain/re_nat_type.rs

@@ -29,9 +29,13 @@ fn retrieve_nat_type0(
         .name("natTest".into())
         .spawn(move || {
             if nat_test.can_update() {
-                let local_ipv4 = nat::local_ipv4();
+                let local_ipv4 = if nat_test.update_local_ipv4 {
+                    nat::local_ipv4()
+                } else {
+                    None
+                };
                 let local_ipv6 = nat::local_ipv6();
-                match nat_test.re_test(local_ipv4, local_ipv6) {
+                match nat_test.re_test(local_ipv4, local_ipv6, context.default_interface()) {
                     Ok(nat_info) => {
                         log::info!("当前nat信息:{:?}", nat_info);
                         if let Err(e) = context.switch(nat_info.nat_type, &udp_socket_sender) {

vnt/src/handle/mod.rs

@@ -1,3 +1,4 @@
+use crate::channel::socket::LocalInterface;
 use crossbeam_utils::atomic::AtomicCell;
 use std::net::{IpAddr, Ipv4Addr, SocketAddr};
 
@@ -70,6 +71,7 @@ pub struct BaseConfigInfo {
     #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
     pub device_name: Option<String>,
     pub allow_wire_guard: bool,
+    pub default_interface: LocalInterface,
 }
 
 impl BaseConfigInfo {
@@ -90,6 +92,7 @@ impl BaseConfigInfo {
         #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
         device_name: Option<String>,
         allow_wire_guard: bool,
+        default_interface: LocalInterface,
     ) -> Self {
         Self {
             name,
@@ -108,6 +111,7 @@ impl BaseConfigInfo {
             #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
             device_name,
             allow_wire_guard,
+            default_interface,
         }
     }
 }
@@ -219,10 +223,10 @@ impl CurrentDeviceInfo {
         virtual_gateway: Ipv4Addr,
     ) {
         let broadcast_ip = (!u32::from_be_bytes(virtual_netmask.octets()))
-            | u32::from_be_bytes(virtual_gateway.octets());
+            | u32::from_be_bytes(virtual_ip.octets());
         let broadcast_ip = Ipv4Addr::from(broadcast_ip);
-        let virtual_network = u32::from_be_bytes(virtual_netmask.octets())
-            & u32::from_be_bytes(virtual_gateway.octets());
+        let virtual_network =
+            u32::from_be_bytes(virtual_netmask.octets()) & u32::from_be_bytes(virtual_ip.octets());
         let virtual_network = Ipv4Addr::from(virtual_network);
         self.virtual_ip = virtual_ip;
         self.virtual_netmask = virtual_netmask;

vnt/src/handle/recv_data/client.rs

@@ -216,17 +216,13 @@ impl<Device: DeviceWrite> ClientPacketHandler<Device> {
         match ControlPacket::new(net_packet.transport_protocol(), net_packet.payload())? {
             ControlPacket::PingPacket(_) => {
                 let route = Route::from_default_rt(route_key, metric);
-                if context.route_table.add_route_if_absent(source, route)
-                    || net_packet.source() < current_device.virtual_ip
-                {
-                    //在路由表中，或者来源比自己小，就需要回复，注意不能调换顺序
-                    net_packet.set_transport_protocol(control_packet::Protocol::Pong.into());
-                    net_packet.set_source(current_device.virtual_ip);
-                    net_packet.set_destination(source);
-                    net_packet.first_set_ttl(MAX_TTL);
-                    self.client_cipher.encrypt_ipv4(&mut net_packet)?;
-                    context.send_by_key(&net_packet, route_key)?;
-                }
+                context.route_table.add_route_if_absent(source, route);
+                net_packet.set_transport_protocol(control_packet::Protocol::Pong.into());
+                net_packet.set_source(current_device.virtual_ip);
+                net_packet.set_destination(source);
+                net_packet.first_set_ttl(MAX_TTL);
+                self.client_cipher.encrypt_ipv4(&mut net_packet)?;
+                context.send_by_key(&net_packet, route_key)?;
             }
             ControlPacket::PongPacket(pong_packet) => {
                 let current_time = crate::handle::now_time() as u16;
@@ -272,7 +268,7 @@ impl<Device: DeviceWrite> ClientPacketHandler<Device> {
                 {
                     return Ok(());
                 }
-                let route = Route::from_default_rt(route_key, 1);
+                let route = Route::from_default_rt(route_key, metric);
                 context.route_table.add_route_if_absent(source, route);
             }
             ControlPacket::AddrRequest => match route_key.addr.ip() {
@@ -318,6 +314,7 @@ impl<Device: DeviceWrite> ClientPacketHandler<Device> {
                     .collect();
                 let local_ipv4 = Some(Ipv4Addr::from(punch_info.local_ip.to_be_bytes()));
                 let tcp_port = punch_info.tcp_port as u16;
+                let public_tcp_port = punch_info.public_tcp_port as u16;
                 let ipv6 = if punch_info.ipv6.len() == 16 {
                     let ipv6: [u8; 16] = punch_info.ipv6.try_into().unwrap();
                     Some(Ipv6Addr::from(ipv6))
@@ -340,7 +337,9 @@ impl<Device: DeviceWrite> ClientPacketHandler<Device> {
                     ipv6,
                     punch_info.udp_ports.iter().map(|e| *e as u16).collect(),
                     tcp_port,
+                    public_tcp_port,
                     punch_info.nat_type.enum_value_or_default().into(),
+                    punch_info.punch_model.enum_value_or_default().into(),
                 );
                 {
                     let peer_nat_info = peer_nat_info.clone();
@@ -360,8 +359,11 @@ impl<Device: DeviceWrite> ClientPacketHandler<Device> {
                         nat_info.public_ports.iter().map(|e| *e as u32).collect();
                     punch_reply.public_port_range = nat_info.public_port_range as u32;
                     punch_reply.tcp_port = nat_info.tcp_port as u32;
+                    punch_reply.public_tcp_port = nat_info.public_tcp_port as u32;
                     punch_reply.nat_type =
                         protobuf::EnumOrUnknown::new(PunchNatType::from(nat_info.nat_type));
+                    punch_reply.punch_model =
+                        protobuf::EnumOrUnknown::new(nat_info.punch_model.into());
                     punch_reply.local_ip =
                         u32::from(nat_info.local_ipv4().unwrap_or(Ipv4Addr::UNSPECIFIED));
                     punch_reply.local_port = nat_info.udp_ports[0] as u32;

vnt/src/handle/recv_data/server.rs

@@ -7,12 +7,11 @@ use std::sync::Arc;
 use std::time::{Duration, Instant};
 
 use crossbeam_utils::atomic::AtomicCell;
-use parking_lot::Mutex;
-use protobuf::Message;
-
 use packet::icmp::{icmp, Kind};
 use packet::ip::ipv4;
 use packet::ip::ipv4::packet::IpV4Packet;
+use parking_lot::Mutex;
+use protobuf::Message;
 
 use crate::channel::context::ChannelContext;
 use crate::channel::{Route, RouteKey};
@@ -105,12 +104,11 @@ impl<Call: VntCallback, Device: DeviceWrite> PacketHandler for ServerPacketHandl
     ) -> anyhow::Result<()> {
         if !current_device.is_server_addr(route_key.addr) {
             //拦截不是服务端的流量
-            log::info!(
+            log::warn!(
                 "route_key={:?},不是来源于服务端地址{}",
                 route_key,
                 current_device.connect_server
             );
-            return Ok(());
         }
         context
             .route_table
@@ -152,6 +150,8 @@ impl<Call: VntCallback, Device: DeviceWrite> PacketHandler for ServerPacketHandl
             let response = HandshakeResponse::parse_from_bytes(net_packet.payload())
                 .map_err(|e| anyhow!("HandshakeResponse {:?}", e))?;
             log::info!("握手响应:{:?},{}", route_key, response);
+            //设置为默认通道
+            context.set_default_route_key(route_key);
             //如果开启了加密，则发送加密握手请求
             #[cfg(feature = "server_encrypt")]
             if let Some(key) = self.server_cipher.key() {
@@ -212,7 +212,7 @@ impl<Call: VntCallback, Device: DeviceWrite> PacketHandler for ServerPacketHandl
             let handshake_info = HandshakeInfo::new_no_secret(response.version);
             if self.callback.handshake(handshake_info) {
                 //没有加密，则发送注册请求
-                self.register(current_device, context)?;
+                self.register(current_device, context, route_key)?;
             }
 
             return Ok(());
@@ -296,6 +296,10 @@ impl<Call: VntCallback, Device: DeviceWrite> ServerPacketHandler<Call, Device> {
                     let public_port = response.public_port as u16;
                     self.nat_test
                         .update_addr(route_key.index(), public_ip, public_port);
+                    if route_key.protocol().is_tcp() {
+                        log::info!("更新公网tcp端口 {public_port}");
+                        self.nat_test.update_tcp_port(public_port);
+                    }
                     let old = current_device;
                     let mut cur = *current_device;
                     loop {
@@ -350,12 +354,14 @@ impl<Call: VntCallback, Device: DeviceWrite> ServerPacketHandler<Call, Device> {
                                 target_os = "linux",
                                 target_os = "macos"
                             ))]
-                            match crate::tun_tap_device::create_device(device_config) {
+                            match crate::tun_tap_device::create_device(
+                                device_config,
+                                &self.callback,
+                            ) {
                                 Ok(device) => {
-                                    use tun::device::IFace;
                                     let tun_info = crate::handle::callback::DeviceInfo::new(
                                         device.name().unwrap_or("unknown".into()),
-                                        device.version().unwrap_or("unknown".into()),
+                                        "".into(),
                                     );
                                     log::info!("tun信息{:?}", tun_info);
                                     self.callback.create_tun(tun_info);
@@ -380,27 +386,20 @@ impl<Call: VntCallback, Device: DeviceWrite> ServerPacketHandler<Call, Device> {
                                 let device_fd = self.callback.generate_tun(device_config);
                                 if device_fd == 0 {
                                     self.callback.error(ErrorInfo::new_msg(
-                                        ErrorType::Unknown,
+                                        ErrorType::FailedToCrateDevice,
                                         "device_fd == 0".into(),
                                     ));
                                 } else {
-                                    match tun::Device::new(device_fd as _) {
-                                        Ok(device) => {
-                                            if let Err(e) =
-                                                self.tun_device_helper.start(Arc::new(device))
-                                            {
-                                                self.callback.error(ErrorInfo::new_msg(
-                                                    ErrorType::Unknown,
-                                                    format!("{:?}", e),
-                                                ));
-                                            }
-                                        }
-                                        Err(e) => {
-                                            self.callback.error(ErrorInfo::new_msg(
-                                                ErrorType::Unknown,
-                                                format!("{:?}", e),
-                                            ));
-                                        }
+                                    let device =
+                                        unsafe { tun_rs::SyncDevice::from_fd(device_fd as _) };
+                                    if let Err(e) = self
+                                        .tun_device_helper
+                                        .start(Arc::new(device), self.config_info.allow_wire_guard)
+                                    {
+                                        self.callback.error(ErrorInfo::new_msg(
+                                            ErrorType::FailedToCrateDevice,
+                                            format!("{:?}", e),
+                                        ));
                                     }
                                 }
                             }
@@ -421,7 +420,7 @@ impl<Call: VntCallback, Device: DeviceWrite> ServerPacketHandler<Call, Device> {
             service_packet::Protocol::SecretHandshakeResponse => {
                 log::info!("SecretHandshakeResponse");
                 //加密握手结束，发送注册数据
-                self.register(current_device, context)?;
+                self.register(current_device, context, route_key)?;
             }
             _ => {
                 log::warn!(
@@ -466,11 +465,14 @@ impl<Call: VntCallback, Device: DeviceWrite> ServerPacketHandler<Call, Device> {
         &self,
         current_device: &CurrentDeviceInfo,
         context: &ChannelContext,
+        route_key: RouteKey,
     ) -> anyhow::Result<()> {
         if current_device.status.online() {
             log::info!("已连接的不需要注册，{:?}", self.config_info);
             return Ok(());
         }
+        //设置为默认通道
+        context.set_default_route_key(route_key);
         let token = self.config_info.token.clone();
         let device_id = self.config_info.device_id.clone();
         let name = self.config_info.name.clone();

vnt/src/handle/tun_tap/mod.rs

@@ -1,19 +1,11 @@
 pub mod tun_handler;
 
-#[cfg(unix)]
-mod unix;
-
 use crossbeam_utils::atomic::AtomicCell;
 use parking_lot::Mutex;
 use std::sync::Arc;
-#[cfg(unix)]
-pub(crate) use unix::*;
+mod platform;
 
-#[cfg(target_os = "windows")]
-mod windows;
-
-#[cfg(target_os = "windows")]
-pub(crate) use windows::*;
+pub(crate) use platform::*;
 
 /// 仅仅是停止tun，不停止vnt
 #[derive(Clone, Default)]

vnt/src/handle/tun_tap/platform.rs

@@ -13,13 +13,12 @@ use parking_lot::Mutex;
 use std::collections::HashMap;
 use std::net::Ipv4Addr;
 use std::sync::Arc;
-use tun::device::IFace;
-use tun::Device;
+use tun_rs::{InterruptEvent, SyncDevice};
 
 pub(crate) fn start_simple(
     stop_manager: StopManager,
     context: &ChannelContext,
-    device: Arc<Device>,
+    device: Arc<SyncDevice>,
     current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
     ip_route: ExternalRoute,
     #[cfg(feature = "ip_proxy")] ip_proxy_map: Option<IpProxyMap>,
@@ -30,10 +29,11 @@ pub(crate) fn start_simple(
     device_stop: DeviceStop,
     allow_wire_guard: bool,
 ) -> anyhow::Result<()> {
+    let event = Arc::new(InterruptEvent::new()?);
     let worker = {
-        let device = device.clone();
+        let event = event.clone();
         stop_manager.add_listener("tun_device".into(), move || {
-            if let Err(e) = device.shutdown() {
+            if let Err(e) = event.trigger() {
                 log::warn!("{:?}", e);
             }
         })?
@@ -51,6 +51,7 @@ pub(crate) fn start_simple(
     if let Err(e) = start_simple0(
         context,
         device,
+        event,
         current_device,
         ip_route,
         #[cfg(feature = "ip_proxy")]
@@ -72,7 +73,8 @@ pub(crate) fn start_simple(
 
 fn start_simple0(
     context: &ChannelContext,
-    device: Arc<Device>,
+    device: Arc<SyncDevice>,
+    event: Arc<InterruptEvent>,
     current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
     ip_route: ExternalRoute,
     #[cfg(feature = "ip_proxy")] ip_proxy_map: Option<IpProxyMap>,
@@ -85,8 +87,7 @@ fn start_simple0(
     let mut buf = [0; BUFFER_SIZE];
     let mut extend = [0; BUFFER_SIZE];
     loop {
-        let len = device.read(&mut buf[12..])? + 12;
-        //单线程的
+        let len = device.recv_intr(&mut buf[12..],&event)? + 12;
         // buf是重复利用的，需要重置头部
         buf[..12].fill(0);
         match crate::handle::tun_tap::tun_handler::handle(

vnt/src/handle/tun_tap/tun_handler.rs

@@ -1,16 +1,14 @@
 use crossbeam_utils::atomic::AtomicCell;
+use packet::icmp::icmp::IcmpPacket;
+use packet::icmp::Kind;
+use packet::ip::ipv4::packet::IpV4Packet;
+use packet::ip::ipv4::protocol::Protocol;
 use parking_lot::Mutex;
 use std::collections::HashMap;
 use std::net::Ipv4Addr;
 use std::sync::Arc;
 use std::{io, thread};
-
-use packet::icmp::icmp::IcmpPacket;
-use packet::icmp::Kind;
-use packet::ip::ipv4::packet::IpV4Packet;
-use packet::ip::ipv4::protocol::Protocol;
-use tun::device::IFace;
-use tun::Device;
+use tun_rs::SyncDevice;
 
 use crate::channel::context::ChannelContext;
 use crate::channel::sender::{send_to_wg, send_to_wg_broadcast};
@@ -28,7 +26,7 @@ use crate::protocol::body::ENCRYPTION_RESERVED;
 use crate::protocol::ip_turn_packet::BroadcastPacket;
 use crate::protocol::{ip_turn_packet, NetPacket, MAX_TTL};
 use crate::util::StopManager;
-fn icmp(device_writer: &Device, mut ipv4_packet: IpV4Packet<&mut [u8]>) -> anyhow::Result<()> {
+fn icmp(device_writer: &SyncDevice, mut ipv4_packet: IpV4Packet<&mut [u8]>) -> anyhow::Result<()> {
     if ipv4_packet.protocol() == Protocol::Icmp {
         let mut icmp = IcmpPacket::new(ipv4_packet.payload_mut())?;
         if icmp.kind() == Kind::EchoRequest {
@@ -38,7 +36,7 @@ fn icmp(device_writer: &Device, mut ipv4_packet: IpV4Packet<&mut [u8]>) -> anyho
             ipv4_packet.set_source_ip(ipv4_packet.destination_ip());
             ipv4_packet.set_destination_ip(src);
             ipv4_packet.update_checksum();
-            device_writer.write(ipv4_packet.buffer)?;
+            device_writer.send(ipv4_packet.buffer)?;
         }
     }
     Ok(())
@@ -47,7 +45,7 @@ fn icmp(device_writer: &Device, mut ipv4_packet: IpV4Packet<&mut [u8]>) -> anyho
 pub fn start(
     stop_manager: StopManager,
     context: ChannelContext,
-    device: Arc<Device>,
+    device: Arc<SyncDevice>,
     current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
     ip_route: ExternalRoute,
     #[cfg(feature = "ip_proxy")] ip_proxy_map: Option<IpProxyMap>,
@@ -160,7 +158,7 @@ pub(crate) fn handle(
     buf: &mut [u8],
     data_len: usize, //数据总长度=12+ip包长度
     extend: &mut [u8],
-    device_writer: &Device,
+    device_writer: &SyncDevice,
     current_device: CurrentDeviceInfo,
     ip_route: &ExternalRoute,
     #[cfg(feature = "ip_proxy")] proxy_map: &Option<IpProxyMap>,

vnt/src/handle/tun_tap/unix.rs

@@ -1,154 +0,0 @@
-use crate::channel::context::ChannelContext;
-use crate::channel::BUFFER_SIZE;
-use crate::cipher::Cipher;
-use crate::compression::Compressor;
-use crate::external_route::ExternalRoute;
-use crate::handle::tun_tap::DeviceStop;
-use crate::handle::{CurrentDeviceInfo, PeerDeviceInfo};
-#[cfg(feature = "ip_proxy")]
-use crate::ip_proxy::IpProxyMap;
-use crate::util::StopManager;
-use crossbeam_utils::atomic::AtomicCell;
-use mio::event::Source;
-use mio::unix::SourceFd;
-use mio::{Events, Interest, Poll, Token, Waker};
-use parking_lot::Mutex;
-use std::collections::HashMap;
-use std::io;
-use std::net::Ipv4Addr;
-use std::os::fd::AsRawFd;
-use std::sync::Arc;
-use tun::Device;
-
-const STOP: Token = Token(0);
-const FD: Token = Token(1);
-
-pub(crate) fn start_simple(
-    stop_manager: StopManager,
-    context: &ChannelContext,
-    device: Arc<Device>,
-    current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-    ip_route: ExternalRoute,
-    #[cfg(feature = "ip_proxy")] ip_proxy_map: Option<IpProxyMap>,
-    client_cipher: Cipher,
-    server_cipher: Cipher,
-    device_map: Arc<Mutex<(u16, HashMap<Ipv4Addr, PeerDeviceInfo>)>>,
-    compressor: Compressor,
-    device_stop: DeviceStop,
-    allow_wire_guard: bool,
-) -> anyhow::Result<()> {
-    let poll = Poll::new()?;
-    let waker = Arc::new(Waker::new(poll.registry(), STOP)?);
-    let _waker = waker.clone();
-    let worker = {
-        stop_manager.add_listener("tun_device".into(), move || {
-            if let Err(e) = waker.wake() {
-                log::warn!("{:?}", e);
-            }
-        })?
-    };
-    let worker_cell = Arc::new(AtomicCell::new(Some(worker)));
-    let _worker_cell = worker_cell.clone();
-    device_stop.set_stop_fn(move || {
-        if let Some(worker) = _worker_cell.take() {
-            worker.stop_self()
-        }
-    });
-    if let Err(e) = start_simple0(
-        poll,
-        context,
-        device,
-        current_device,
-        ip_route,
-        #[cfg(feature = "ip_proxy")]
-        ip_proxy_map,
-        client_cipher,
-        server_cipher,
-        device_map,
-        compressor,
-        allow_wire_guard,
-    ) {
-        log::error!("{:?}", e);
-    };
-    device_stop.stopped();
-    if let Some(worker) = worker_cell.take() {
-        worker.stop_all();
-    }
-    drop(_waker);
-    Ok(())
-}
-
-fn start_simple0(
-    mut poll: Poll,
-    context: &ChannelContext,
-    device: Arc<Device>,
-    current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-    ip_route: ExternalRoute,
-    #[cfg(feature = "ip_proxy")] ip_proxy_map: Option<IpProxyMap>,
-    client_cipher: Cipher,
-    server_cipher: Cipher,
-    device_map: Arc<Mutex<(u16, HashMap<Ipv4Addr, PeerDeviceInfo>)>>,
-    compressor: Compressor,
-    allow_wire_guard: bool,
-) -> anyhow::Result<()> {
-    let mut buf = [0; BUFFER_SIZE];
-    let mut extend = [0; BUFFER_SIZE];
-    let fd = device.as_tun_fd();
-    fd.set_nonblock()?;
-    SourceFd(&fd.as_raw_fd()).register(poll.registry(), FD, Interest::READABLE)?;
-    let mut events = Events::with_capacity(4);
-    #[cfg(not(target_os = "macos"))]
-    let start = 12;
-    #[cfg(target_os = "macos")]
-    let start = 12 - 4;
-    loop {
-        if let Err(e) = poll.poll(&mut events, None) {
-            crate::ignore_io_interrupted(e)?;
-            continue;
-        }
-        for event in events.iter() {
-            if event.token() == STOP {
-                return Ok(());
-            }
-            let mut retries = 0;
-            loop {
-                let len = match fd.read(&mut buf[start..]) {
-                    Ok(len) => len + start,
-                    Err(e) => {
-                        if e.kind() == io::ErrorKind::WouldBlock {
-                            retries += 1;
-                            if retries < 8 {
-                                continue;
-                            }
-                            break;
-                        }
-                        Err(e)?
-                    }
-                };
-                // buf是重复利用的，需要重置头部
-                buf[..12].fill(0);
-                match crate::handle::tun_tap::tun_handler::handle(
-                    context,
-                    &mut buf,
-                    len,
-                    &mut extend,
-                    &device,
-                    current_device.load(),
-                    &ip_route,
-                    #[cfg(feature = "ip_proxy")]
-                    &ip_proxy_map,
-                    &client_cipher,
-                    &server_cipher,
-                    &device_map,
-                    &compressor,
-                    allow_wire_guard,
-                ) {
-                    Ok(_) => {}
-                    Err(e) => {
-                        log::warn!("{:?}", e)
-                    }
-                }
-            }
-        }
-    }
-}

vnt/src/ip_proxy/icmp_proxy.rs

@@ -13,6 +13,7 @@ use packet::icmp::icmp::HeaderOther;
 use packet::ip::ipv4::packet::IpV4Packet;
 
 use crate::channel::context::ChannelContext;
+use crate::channel::socket::{LocalInterface, VntSocketTrait};
 use crate::cipher::Cipher;
 use crate::handle::CurrentDeviceInfo;
 use crate::ip_proxy::ProxyHandler;
@@ -30,6 +31,7 @@ impl IcmpProxy {
         context: ChannelContext,
         current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
         client_cipher: Cipher,
+        default_interface: &LocalInterface,
     ) -> anyhow::Result<Self> {
         #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
         let icmp_socket = socket2::Socket::new(
@@ -50,6 +52,9 @@ impl IcmpProxy {
             .bind(&socket2::SockAddr::from(addr))
             .context("bind Socket ICMPV4 failed")?;
         icmp_socket.set_nonblocking(true)?;
+        if let Err(e) = icmp_socket.set_ip_unicast_if(default_interface) {
+            log::warn!("set_ip_unicast_if {:?}", e)
+        }
         let std_socket: std::net::UdpSocket = icmp_socket.into();
 
         let tokio_icmp_socket = UdpSocket::from_std(std_socket.try_clone()?)?;

vnt/src/ip_proxy/mod.rs

@@ -68,14 +68,16 @@ pub fn init_proxy(
 }
 
 async fn init_proxy0(
-    _context: ChannelContext,
+    context: ChannelContext,
     _current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
     _client_cipher: Cipher,
 ) -> anyhow::Result<IpProxyMap> {
+    let default_interface = context.default_interface().clone();
     #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
-    let icmp_proxy = IcmpProxy::new(_context, _current_device, _client_cipher).await?;
-    let tcp_proxy = TcpProxy::new().await?;
-    let udp_proxy = UdpProxy::new().await?;
+    let icmp_proxy =
+        IcmpProxy::new(context, _current_device, _client_cipher, &default_interface).await?;
+    let tcp_proxy = TcpProxy::new(default_interface.clone()).await?;
+    let udp_proxy = UdpProxy::new(default_interface.clone()).await?;
 
     Ok(IpProxyMap {
         #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]

vnt/src/ip_proxy/tcp_proxy.rs

@@ -5,13 +5,13 @@ use std::time::Duration;
 use std::{collections::HashMap, io, net::SocketAddr};
 
 use parking_lot::Mutex;
-use tokio::net::{TcpListener, TcpSocket, TcpStream};
+use tokio::net::{TcpListener, TcpStream};
 
+use crate::channel::socket::{create_tcp, LocalInterface};
+use crate::ip_proxy::ProxyHandler;
 use packet::ip::ipv4::packet::IpV4Packet;
 use packet::tcp::tcp::TcpPacket;
 
-use crate::ip_proxy::ProxyHandler;
-
 #[derive(Clone)]
 pub struct TcpProxy {
     port: u16,
@@ -19,7 +19,7 @@ pub struct TcpProxy {
 }
 
 impl TcpProxy {
-    pub async fn new() -> anyhow::Result<Self> {
+    pub async fn new(default_interface: LocalInterface) -> anyhow::Result<Self> {
         let nat_map: Arc<Mutex<HashMap<SocketAddrV4, SocketAddrV4>>> =
             Arc::new(Mutex::new(HashMap::with_capacity(16)));
         let tcp_listener = TcpListener::bind(format!("0.0.0.0:{}", 0))
@@ -28,7 +28,7 @@ impl TcpProxy {
         let port = tcp_listener.local_addr()?.port();
         {
             let nat_map = nat_map.clone();
-            tokio::spawn(tcp_proxy(tcp_listener, nat_map));
+            tokio::spawn(tcp_proxy(tcp_listener, nat_map, default_interface));
         }
         Ok(Self { port, nat_map })
     }
@@ -79,26 +79,33 @@ impl ProxyHandler for TcpProxy {
 async fn tcp_proxy(
     tcp_listener: TcpListener,
     nat_map: Arc<Mutex<HashMap<SocketAddrV4, SocketAddrV4>>>,
+    default_interface: LocalInterface,
 ) {
     loop {
         match tcp_listener.accept().await {
             Ok((tcp_stream, sender_addr)) => match sender_addr {
                 SocketAddr::V4(sender_addr) => {
                     if let Some(dest_addr) = nat_map.lock().get(&sender_addr).cloned() {
+                        let default_interface = default_interface.clone();
                         tokio::spawn(async move {
-                            let peer_tcp_stream =
-                                match tcp_connect(sender_addr.port(), dest_addr.into()).await {
-                                    Ok(peer_tcp_stream) => peer_tcp_stream,
-                                    Err(e) => {
-                                        log::warn!(
-                                            "tcp代理异常:{:?},来源:{},目标：{}",
-                                            e,
-                                            sender_addr,
-                                            dest_addr
-                                        );
-                                        return;
-                                    }
-                                };
+                            let peer_tcp_stream = match tcp_connect(
+                                sender_addr.port(),
+                                dest_addr.into(),
+                                &default_interface,
+                            )
+                            .await
+                            {
+                                Ok(peer_tcp_stream) => peer_tcp_stream,
+                                Err(e) => {
+                                    log::warn!(
+                                        "tcp代理异常:{:?},来源:{},目标：{}",
+                                        e,
+                                        sender_addr,
+                                        dest_addr
+                                    );
+                                    return;
+                                }
+                            };
                             proxy(sender_addr, dest_addr, tcp_stream, peer_tcp_stream).await
                         });
                     } else {
@@ -114,15 +121,19 @@ async fn tcp_proxy(
     }
 }
 /// 优先使用来源端口建立tcp连接
-async fn tcp_connect(src_port: u16, addr: SocketAddr) -> anyhow::Result<TcpStream> {
-    let socket = TcpSocket::new_v4()?;
+async fn tcp_connect(
+    src_port: u16,
+    addr: SocketAddr,
+    default_interface: &LocalInterface,
+) -> anyhow::Result<TcpStream> {
+    let socket = create_tcp(true, default_interface)?;
     if socket
         .bind(SocketAddrV4::new(Ipv4Addr::UNSPECIFIED, src_port).into())
         .is_err()
     {
         socket.bind(SocketAddrV4::new(Ipv4Addr::UNSPECIFIED, 0).into())?;
     }
-    let _ = socket.set_nodelay(false);
+    let _ = socket.set_nodelay(true);
     let tcp_stream = tokio::time::timeout(Duration::from_secs(5), socket.connect(addr))
         .await
         .with_context(|| format!("TCP connection timeout {}", addr))?

vnt/src/ip_proxy/udp_proxy.rs

@@ -8,11 +8,11 @@ use std::{collections::HashMap, io, net::SocketAddr};
 use parking_lot::Mutex;
 use tokio::net::UdpSocket;
 
+use crate::channel::socket::{bind_udp, LocalInterface};
+use crate::ip_proxy::ProxyHandler;
 use packet::ip::ipv4::packet::IpV4Packet;
 use packet::udp::udp::UdpPacket;
 
-use crate::ip_proxy::ProxyHandler;
-
 #[derive(Clone)]
 pub struct UdpProxy {
     port: u16,
@@ -20,7 +20,7 @@ pub struct UdpProxy {
 }
 
 impl UdpProxy {
-    pub async fn new() -> anyhow::Result<Self> {
+    pub async fn new(default_interface: LocalInterface) -> anyhow::Result<Self> {
         let nat_map: Arc<Mutex<HashMap<SocketAddrV4, SocketAddrV4>>> =
             Arc::new(Mutex::new(HashMap::with_capacity(16)));
         let udp = UdpSocket::bind(format!("0.0.0.0:{}", 0))
@@ -29,8 +29,8 @@ impl UdpProxy {
         let port = udp.local_addr()?.port();
         {
             let nat_map = nat_map.clone();
-            tokio::spawn(async {
-                if let Err(e) = udp_proxy(udp, nat_map).await {
+            tokio::spawn(async move {
+                if let Err(e) = udp_proxy(udp, nat_map, default_interface).await {
                     log::warn!("udp_proxy:{:?}", e);
                 }
             });
@@ -84,7 +84,8 @@ impl ProxyHandler for UdpProxy {
 async fn udp_proxy(
     udp: UdpSocket,
     nat_map: Arc<Mutex<HashMap<SocketAddrV4, SocketAddrV4>>>,
-) -> io::Result<()> {
+    default_interface: LocalInterface,
+) -> anyhow::Result<()> {
     let mut buf = [0u8; 65536];
 
     let inner_map: Arc<Mutex<HashMap<SocketAddrV4, (Arc<UdpSocket>, Arc<AtomicCell<Instant>>)>>> =
@@ -94,9 +95,15 @@ async fn udp_proxy(
         match udp_socket.recv_from(&mut buf).await {
             Ok((len, sender_addr)) => match sender_addr {
                 SocketAddr::V4(sender_addr) => {
-                    if let Err(e) =
-                        udp_proxy0(&buf[..len], sender_addr, &inner_map, &nat_map, &udp_socket)
-                            .await
+                    if let Err(e) = udp_proxy0(
+                        &buf[..len],
+                        sender_addr,
+                        &inner_map,
+                        &nat_map,
+                        &udp_socket,
+                        &default_interface,
+                    )
+                    .await
                     {
                         log::warn!("udp proxy {} {:?}", sender_addr, e);
                     }
@@ -116,7 +123,8 @@ async fn udp_proxy0(
     inner_map: &Arc<Mutex<HashMap<SocketAddrV4, (Arc<UdpSocket>, Arc<AtomicCell<Instant>>)>>>,
     map: &Arc<Mutex<HashMap<SocketAddrV4, SocketAddrV4>>>,
     udp_socket: &Arc<UdpSocket>,
-) -> io::Result<()> {
+    default_interface: &LocalInterface,
+) -> anyhow::Result<()> {
     let option = inner_map.lock().get(&sender_addr).cloned();
     if let Some((udp, time)) = option {
         time.store(Instant::now());
@@ -125,11 +133,14 @@ async fn udp_proxy0(
         let option = map.lock().get(&sender_addr).cloned();
         if let Some(dest_addr) = option {
             //先使用相同的端口，冲突了再随机端口
-            let peer_udp_socket =
-                match UdpSocket::bind(format!("0.0.0.0:{}", sender_addr.port())).await {
-                    Ok(udp) => udp,
-                    Err(_) => UdpSocket::bind("0.0.0.0:0").await?,
-                };
+            let peer_udp_socket = match bind_udp(
+                format!("0.0.0.0:{}", sender_addr.port()).parse().unwrap(),
+                default_interface,
+            ) {
+                Ok(udp) => udp,
+                Err(_) => bind_udp("0.0.0.0:0".parse().unwrap(), default_interface)?,
+            };
+            let peer_udp_socket = UdpSocket::from_std(peer_udp_socket.into())?;
             peer_udp_socket.connect(dest_addr).await?;
             peer_udp_socket.send(buf).await?;
             let peer_udp_socket = Arc::new(peer_udp_socket);

vnt/src/nat/mod.rs

@@ -10,8 +10,8 @@ use parking_lot::Mutex;
 use rand::prelude::SliceRandom;
 use rand::Rng;
 
-use crate::channel::punch::{NatInfo, NatType};
-use crate::proto::message::PunchNatType;
+use crate::channel::punch::{NatInfo, NatType, PunchModel};
+use crate::channel::socket::LocalInterface;
 #[cfg(feature = "upnp")]
 use crate::util::UPnP;
 
@@ -116,24 +116,7 @@ pub struct NatTest {
     tcp_port: u16,
     #[cfg(feature = "upnp")]
     upnp: UPnP,
-}
-
-impl From<NatType> for PunchNatType {
-    fn from(value: NatType) -> Self {
-        match value {
-            NatType::Symmetric => PunchNatType::Symmetric,
-            NatType::Cone => PunchNatType::Cone,
-        }
-    }
-}
-
-impl Into<NatType> for PunchNatType {
-    fn into(self) -> NatType {
-        match self {
-            PunchNatType::Symmetric => NatType::Symmetric,
-            PunchNatType::Cone => NatType::Cone,
-        }
-    }
+    pub(crate) update_local_ipv4: bool,
 }
 
 impl NatTest {
@@ -144,6 +127,8 @@ impl NatTest {
         ipv6: Option<Ipv6Addr>,
         udp_ports: Vec<u16>,
         tcp_port: u16,
+        update_local_ipv4: bool,
+        punch_model: PunchModel,
     ) -> NatTest {
         let ports = vec![0; udp_ports.len()];
         let nat_info = NatInfo::new(
@@ -154,7 +139,9 @@ impl NatTest {
             ipv6,
             udp_ports.clone(),
             tcp_port,
+            0,
             NatType::Cone,
+            punch_model,
         );
         let info = Arc::new(Mutex::new(nat_info));
         #[cfg(feature = "upnp")]
@@ -178,6 +165,7 @@ impl NatTest {
             tcp_port,
             #[cfg(feature = "upnp")]
             upnp,
+            update_local_ipv4,
         }
     }
     pub fn can_update(&self) -> bool {
@@ -253,10 +241,15 @@ impl NatTest {
         let mut guard = self.info.lock();
         guard.update_addr(index, ip, port)
     }
+    pub fn update_tcp_port(&self, port: u16) {
+        let mut guard = self.info.lock();
+        guard.update_tcp_port(port)
+    }
     pub fn re_test(
         &self,
         local_ipv4: Option<Ipv4Addr>,
         ipv6: Option<Ipv6Addr>,
+        default_interface: &LocalInterface,
     ) -> anyhow::Result<NatInfo> {
         let mut stun_server = self.stun_server.clone();
         if stun_server.len() > 5 {
@@ -264,7 +257,8 @@ impl NatTest {
             stun_server.truncate(5);
             log::info!("stun_server truncate {:?}", stun_server);
         }
-        let (nat_type, public_ips, port_range) = stun::stun_test_nat(stun_server)?;
+        let (nat_type, public_ips, port_range) =
+            stun::stun_test_nat(stun_server, default_interface)?;
         if public_ips.is_empty() {
             Err(anyhow!("public_ips.is_empty"))?
         }
@@ -272,7 +266,9 @@ impl NatTest {
         guard.nat_type = nat_type;
         guard.public_ips = public_ips;
         guard.public_port_range = port_range;
-        guard.local_ipv4 = local_ipv4;
+        if local_ipv4.is_some() {
+            guard.local_ipv4 = local_ipv4;
+        }
         guard.ipv6 = ipv6;
 
         Ok(guard.clone())

vnt/src/nat/stun.rs

@@ -4,17 +4,21 @@ use std::net::{Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6};
 use std::time::Duration;
 
 use crate::channel::punch::NatType;
+use crate::channel::socket::{bind_udp, LocalInterface};
 use rand::RngCore;
 use std::net::UdpSocket;
 use stun_format::Attr;
 
-pub fn stun_test_nat(stun_servers: Vec<String>) -> io::Result<(NatType, Vec<Ipv4Addr>, u16)> {
+pub fn stun_test_nat(
+    stun_servers: Vec<String>,
+    default_interface: &LocalInterface,
+) -> anyhow::Result<(NatType, Vec<Ipv4Addr>, u16)> {
     let mut nat_type = NatType::Cone;
     let mut port_range = 0;
     let mut hash_set = HashSet::new();
     for _ in 0..2 {
         let stun_servers = stun_servers.clone();
-        match stun_test_nat0(stun_servers) {
+        match stun_test_nat0(stun_servers, default_interface) {
             Ok((nat_type_t, ip_list_t, port_range_t)) => {
                 if nat_type_t == NatType::Symmetric {
                     nat_type = NatType::Symmetric;
@@ -34,8 +38,13 @@ pub fn stun_test_nat(stun_servers: Vec<String>) -> io::Result<(NatType, Vec<Ipv4
     Ok((nat_type, hash_set.into_iter().collect(), port_range))
 }
 
-pub fn stun_test_nat0(stun_servers: Vec<String>) -> io::Result<(NatType, Vec<Ipv4Addr>, u16)> {
-    let udp = UdpSocket::bind("0.0.0.0:0")?;
+pub fn stun_test_nat0(
+    stun_servers: Vec<String>,
+    default_interface: &LocalInterface,
+) -> anyhow::Result<(NatType, Vec<Ipv4Addr>, u16)> {
+    let udp = bind_udp("0.0.0.0:0".parse().unwrap(), default_interface)?;
+    udp.set_nonblocking(false)?;
+    let udp: UdpSocket = udp.into();
     udp.set_read_timeout(Some(Duration::from_millis(500)))?;
     let mut nat_type = NatType::Cone;
     let mut min_port = u16::MAX;

vnt/src/port_mapping/mod.rs

@@ -66,11 +66,7 @@ pub fn start_port_mapping(
     if vec.is_empty() {
         return Ok(());
     }
-    let runtime = tokio::runtime::Builder::new_multi_thread()
-        .enable_all()
-        .thread_name("portMapping")
-        .build()?;
-    runtime.block_on(start_port_mapping0(vec))?;
+
     let (sender, receiver) = tokio::sync::oneshot::channel::<()>();
     let worker = stop_manager.add_listener("portMapping".into(), move || {
         let _ = sender.send(());
@@ -78,6 +74,11 @@ pub fn start_port_mapping(
     thread::Builder::new()
         .name("portMapping".into())
         .spawn(move || {
+            let runtime = tokio::runtime::Builder::new_multi_thread()
+                .enable_all()
+                .thread_name("portMapping")
+                .build().unwrap();
+            runtime.block_on(start_port_mapping0(vec)).unwrap();
             runtime.block_on(async {
                 let _ = receiver.await;
             });

vnt/src/port_mapping/tcp_mapping.rs

@@ -32,6 +32,7 @@ async fn tcp_mapping_(
 }
 
 async fn copy(source_tcp: TcpStream, destination: &String) -> anyhow::Result<()> {
+    // 或许这里也应该绑定最匹配的网卡，不然全局代理会影响映射
     let dest_tcp = TcpStream::connect(destination)
         .await
         .with_context(|| format!("TCP connection target failed {:?}", destination))?;

vnt/src/tun_tap_device/create_device.rs

@@ -1,64 +1,85 @@
-use crate::{DeviceConfig, ErrorInfo, ErrorType};
 use std::io;
 use std::net::Ipv4Addr;
 use std::sync::Arc;
-use tun::device::IFace;
-use tun::Device;
+use tun_rs::SyncDevice;
+
+use crate::{DeviceConfig, ErrorInfo, ErrorType, VntCallback};
 
 #[cfg(any(target_os = "windows", target_os = "linux"))]
 const DEFAULT_TUN_NAME: &str = "vnt-tun";
-#[cfg(target_os = "windows")]
-const DEFAULT_TAP_NAME: &str = "vnt-tap";
 
-pub fn create_device(config: DeviceConfig) -> Result<Arc<Device>, ErrorInfo> {
+pub fn create_device<Call: VntCallback>(
+    config: DeviceConfig,
+    call: &Call,
+) -> Result<Arc<SyncDevice>, ErrorInfo> {
     let device = match create_device0(&config) {
         Ok(device) => device,
         Err(e) => {
             return Err(ErrorInfo::new_msg(
-                ErrorType::Unknown,
+                ErrorType::FailedToCrateDevice,
                 format!("create device {:?}", e),
             ));
         }
     };
-    if let Err(e) = device.set_ip(config.virtual_ip, config.virtual_netmask) {
-        log::error!("LocalIpExists {:?}", e);
-        return Err(ErrorInfo::new_msg(
-            ErrorType::LocalIpExists,
-            format!("set_ip {:?}", e),
-        ));
-    }
-    if let Err(e) = device.add_route(config.virtual_network, config.virtual_netmask, 1) {
-        log::warn!("添加默认路由失败 ={:?}", e);
-    }
-    if let Err(e) = device.add_route(Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST, 1) {
+    #[cfg(windows)]
+    let index = device.if_index().unwrap();
+    #[cfg(unix)]
+    let index = &device.name().unwrap();
+    if let Err(e) = add_route(index, Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST) {
         log::warn!("添加广播路由失败 ={:?}", e);
     }
 
-    if let Err(e) = device.add_route(
+    if let Err(e) = add_route(
+        index,
         Ipv4Addr::from([224, 0, 0, 0]),
         Ipv4Addr::from([240, 0, 0, 0]),
-        1,
     ) {
         log::warn!("添加组播路由失败 ={:?}", e);
     }
 
     for (dest, mask) in config.external_route {
-        if let Err(e) = device.add_route(dest, mask, 1) {
-            log::warn!("添加路由失败 ={:?}", e);
+        if let Err(e) = add_route(index, dest, mask) {
+            log::warn!("添加路由失败,请检查-i参数是否和现有路由冲突 ={:?}", e);
+            call.error(ErrorInfo::new_msg(
+                ErrorType::Warn,
+                format!(
+                    "警告！ 添加路由失败,请检查-i参数是否和现有路由冲突 ={:?}",
+                    e
+                ),
+            ))
         }
     }
     Ok(device)
 }
 
-fn create_device0(config: &DeviceConfig) -> io::Result<Arc<Device>> {
+fn create_device0(config: &DeviceConfig) -> io::Result<Arc<SyncDevice>> {
+    let mut tun_builder = tun_rs::DeviceBuilder::default();
+    tun_builder = tun_builder.ipv4(config.virtual_ip, config.virtual_netmask, None);
+
+    match &config.device_name {
+        None => {
+            #[cfg(any(target_os = "windows", target_os = "linux"))]
+            {
+                tun_builder = tun_builder.name(DEFAULT_TUN_NAME);
+            }
+        }
+        Some(name) => {
+            tun_builder = tun_builder.name(name);
+        }
+    }
+
     #[cfg(target_os = "windows")]
-    let default_name: &str = if config.tap {
-        DEFAULT_TAP_NAME
-    } else {
-        DEFAULT_TUN_NAME
-    };
+    {
+        let name = config
+            .device_name
+            .clone()
+            .unwrap_or_else(|| DEFAULT_TUN_NAME.to_string());
+        _ = delete_adapter_info_from_reg(&name);
+        tun_builder = tun_builder.metric(0).ring_capacity(4 * 1024 * 1024);
+    }
+
     #[cfg(target_os = "linux")]
-    let device = {
+    {
         let device_name = config
             .device_name
             .clone()
@@ -66,20 +87,10 @@ fn create_device0(config: &DeviceConfig) -> io::Result<Arc<Device>> {
         if &device_name == DEFAULT_TUN_NAME {
             delete_device(DEFAULT_TUN_NAME);
         }
-        Arc::new(Device::new(Some(device_name))?)
-    };
-    #[cfg(target_os = "macos")]
-    let device = Arc::new(Device::new(config.device_name.clone())?);
-    #[cfg(target_os = "windows")]
-    let device = Arc::new(Device::new(
-        config
-            .device_name
-            .clone()
-            .unwrap_or(default_name.to_string()),
-        config.tap,
-    )?);
-    device.set_mtu(config.mtu)?;
-    Ok(device)
+    }
+
+    let device = tun_builder.mtu(config.mtu as u16).build_sync()?;
+    Ok(Arc::new(device))
 }
 
 #[cfg(target_os = "linux")]
@@ -96,3 +107,135 @@ fn delete_device(name: &str) {
         log::warn!("删除网卡失败:{:?}", delete_tun);
     }
 }
+#[cfg(windows)]
+fn delete_adapter_info_from_reg(dev_name: &str) -> std::io::Result<()> {
+    use std::collections::HashSet;
+    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 mut profile_guid_set = HashSet::new();
+    for sub_key_name in profiles_key.enum_keys().filter_map(Result::ok) {
+        let sub_key = profiles_key.open_subkey(&sub_key_name)?;
+        match sub_key.get_value::<String, _>("Description") {
+            Ok(profile_name) => {
+                if dev_name == profile_name {
+                    match profiles_key.delete_subkey_all(&sub_key_name) {
+                        Ok(_) => {
+                            log::info!("deleted Profiles sub_key: {}", sub_key_name);
+                            profile_guid_set.insert(sub_key_name);
+                        }
+                        Err(e) => {
+                            log::warn!("Failed to delete Profiles sub_key {}: {}", sub_key_name, e)
+                        }
+                    }
+                }
+            }
+            Err(e) => log::warn!(
+                "Failed to read Description for sub_key {}: {}",
+                sub_key_name,
+                e
+            ),
+        }
+    }
+    let unmanaged_key = hklm.open_subkey_with_flags(
+        "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\NetworkList\\Signatures\\Unmanaged",
+        KEY_ALL_ACCESS,
+    )?;
+    for sub_key_name in unmanaged_key.enum_keys().filter_map(Result::ok) {
+        let sub_key = unmanaged_key.open_subkey(&sub_key_name)?;
+        match sub_key.get_value::<String, _>("ProfileGuid") {
+            Ok(profile_guid) => {
+                if profile_guid_set.contains(&profile_guid) {
+                    match unmanaged_key.delete_subkey_all(&sub_key_name) {
+                        Ok(_) => log::info!("deleted Unmanaged sub_key: {}", sub_key_name),
+                        Err(e) => {
+                            log::warn!("Failed to delete Unmanaged sub_key {}: {}", sub_key_name, e)
+                        }
+                    }
+                }
+            }
+            Err(e) => log::warn!(
+                "Failed to read Description for sub_key {}: {}",
+                sub_key_name,
+                e
+            ),
+        }
+    }
+    Ok(())
+}
+
+#[cfg(target_os = "windows")]
+pub fn add_route(index: u32, dest: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
+    let cmd = format!(
+        "route add {:?} mask {:?} {:?} metric {} if {}",
+        dest,
+        netmask,
+        Ipv4Addr::UNSPECIFIED,
+        1,
+        index
+    );
+    exe_cmd(&cmd)
+}
+#[cfg(target_os = "windows")]
+pub fn exe_cmd(cmd: &str) -> io::Result<()> {
+    use std::os::windows::process::CommandExt;
+
+    println!("exe cmd: {}", cmd);
+    let out = std::process::Command::new("cmd")
+        .creation_flags(windows_sys::Win32::System::Threading::CREATE_NO_WINDOW)
+        .arg("/C")
+        .arg(&cmd)
+        .output()?;
+    if !out.status.success() {
+        return Err(io::Error::new(
+            io::ErrorKind::Other,
+            format!("cmd={},out={:?}", cmd, String::from_utf8(out.stderr)),
+        ));
+    }
+    Ok(())
+}
+
+#[cfg(target_os = "macos")]
+pub fn add_route(name: &str, address: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
+    let cmd = format!(
+        "route -n add {} -netmask {} -interface {}",
+        address, netmask, name
+    );
+    exe_cmd(&cmd)?;
+    Ok(())
+}
+#[cfg(target_os = "linux")]
+pub fn add_route(name: &str, address: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
+    let cmd = if netmask.is_broadcast() {
+        format!("route add -host {:?} {}", address, name)
+    } else {
+        format!(
+            "route add -net {}/{} {}",
+            address,
+            u32::from(netmask).count_ones(),
+            name
+        )
+    };
+    exe_cmd(&cmd)?;
+    Ok(())
+}
+#[cfg(any(target_os = "macos", target_os = "linux"))]
+pub fn exe_cmd(cmd: &str) -> io::Result<std::process::Output> {
+    use std::process::Command;
+    println!("exe cmd: {}", cmd);
+    let out = Command::new("sh")
+        .arg("-c")
+        .arg(cmd)
+        .output()
+        .expect("sh exec error!");
+    if !out.status.success() {
+        return Err(io::Error::new(
+            io::ErrorKind::Other,
+            format!("cmd={},out={:?}", cmd, out),
+        ));
+    }
+    Ok(out)
+}

vnt/src/tun_tap_device/tun_create_helper.rs

@@ -3,12 +3,6 @@ use std::io;
 use std::net::Ipv4Addr;
 use std::sync::Arc;
 
-use crossbeam_utils::atomic::AtomicCell;
-use parking_lot::Mutex;
-
-use tun::device::IFace;
-use tun::Device;
-
 use crate::channel::context::ChannelContext;
 use crate::cipher::Cipher;
 use crate::compression::Compressor;
@@ -19,15 +13,18 @@ use crate::handle::{CurrentDeviceInfo, PeerDeviceInfo};
 use crate::ip_proxy::IpProxyMap;
 use crate::tun_tap_device::vnt_device::DeviceWrite;
 use crate::util::StopManager;
+use crossbeam_utils::atomic::AtomicCell;
+use parking_lot::Mutex;
+use tun_rs::SyncDevice;
 
 #[repr(transparent)]
 #[derive(Clone, Default)]
 pub struct DeviceAdapter {
-    tun: Arc<Mutex<Option<Arc<Device>>>>,
+    tun: Arc<Mutex<Option<Arc<SyncDevice>>>>,
 }
 
 impl DeviceAdapter {
-    pub fn insert(&self, device: Arc<Device>) {
+    pub fn insert(&self, device: Arc<SyncDevice>) {
         let r = self.tun.lock().replace(device);
         assert!(r.is_none());
     }
@@ -41,7 +38,7 @@ impl DeviceWrite for DeviceAdapter {
     #[inline]
     fn write(&self, buf: &[u8]) -> io::Result<usize> {
         if let Some(tun) = self.tun.lock().as_ref() {
-            tun.write(buf)
+            tun.send(buf)
         } else {
             Err(io::Error::new(io::ErrorKind::NotFound, "not tun device"))
         }
@@ -119,7 +116,7 @@ impl TunDeviceHelper {
         }
     }
     /// 要保证先stop 再start
-    pub fn start(&self, device: Arc<Device>, allow_wire_guard: bool) -> io::Result<()> {
+    pub fn start(&self, device: Arc<SyncDevice>, allow_wire_guard: bool) -> io::Result<()> {
         self.device_adapter.insert(device.clone());
         let device_stop = DeviceStop::default();
         let s = self.device_stop.lock().replace(device_stop.clone());

vnt/src/util/dns_query.rs

@@ -1,3 +1,8 @@
+use crate::channel::socket::LocalInterface;
+use anyhow::Context;
+use dns_parser::{Builder, Packet, QueryClass, QueryType, RData, ResponseCode};
+use http_req::request::{RedirectPolicy, Request};
+use http_req::uri::Uri;
 use std::cell::RefCell;
 use std::collections::HashMap;
 use std::net::{Ipv4Addr, Ipv6Addr, SocketAddr, ToSocketAddrs, UdpSocket};
@@ -5,9 +10,6 @@ use std::str::FromStr;
 use std::time::Duration;
 use std::{io, thread};
 
-use anyhow::Context;
-use dns_parser::{Builder, Packet, QueryClass, QueryType, RData, ResponseCode};
-
 thread_local! {
     static HISTORY: RefCell<HashMap<SocketAddr,usize>> = RefCell::new(HashMap::new());
 }
@@ -79,22 +81,49 @@ fn address_choose0(addrs: Vec<SocketAddr>) -> anyhow::Result<SocketAddr> {
 pub fn dns_query_all(
     domain: &str,
     mut name_servers: Vec<String>,
+    default_interface: &LocalInterface,
 ) -> anyhow::Result<Vec<SocketAddr>> {
-    match SocketAddr::from_str(domain) {
+    let mut current_domain = domain.to_string(); // 引入可变变量存储当前域名
+    match SocketAddr::from_str(&current_domain) {
         Ok(addr) => Ok(vec![addr]),
         Err(_) => {
-            let txt_domain = domain
+            // 重定向判断 http:
+            let current_domain_lower = current_domain.to_lowercase();
+            let redirect_domain = current_domain_lower
+                .strip_prefix("http:")
+                .or_else(|| current_domain_lower.strip_prefix("https:"))
+                .map(|v| v.to_string());
+
+            // 执行重定向检查
+            if let Some(stripped) = redirect_domain {
+                if let Some(redirected_url) = check_for_redirect(&stripped)? {
+                    // 去掉 URL 开头的协议部分
+                    let final_domain = remove_http_prefix(&redirected_url);
+                    println!("Server Address: {}", final_domain);
+
+                    // 检查是否为 IP 和端口组合
+                    if let Ok(socket_addr) = SocketAddr::from_str(&final_domain) {
+                        // 如果是 IP 和端口格式，直接返回结果
+                        return Ok(vec![socket_addr]);
+                    } else {
+                        // 如果不是 IP 和端口格式，则更新为重定向地址
+                        current_domain = final_domain;
+                    }
+                }
+            }
+            let txt_domain = current_domain
                 .to_lowercase()
                 .strip_prefix("txt:")
                 .map(|v| v.to_string());
             if name_servers.is_empty() {
                 if txt_domain.is_some() {
                     name_servers.push("223.5.5.5:53".into());
+                    name_servers.push("119.29.29.29:53".into());
                     name_servers.push("114.114.114.114:53".into());
                 } else {
-                    return Ok(domain
+                    return Ok(current_domain
                         .to_socket_addrs()
-                        .with_context(|| format!("DNS query failed {:?}", domain))?
+                        .with_context(|| format!("DNS query failed {:?}", current_domain))?
                         .collect());
                 }
             }
@@ -102,9 +131,10 @@ pub fn dns_query_all(
             let mut err: Option<anyhow::Error> = None;
             for name_server in name_servers {
                 if let Some(domain) = txt_domain.as_ref() {
-                    match txt_dns(domain, name_server) {
+                    match txt_dns(domain, name_server, default_interface) {
                         Ok(addr) => {
                             if !addr.is_empty() {
+                                println!("TXT: {:?}", addr);
                                 return Ok(addr);
                             }
                         }
@@ -118,21 +148,24 @@ pub fn dns_query_all(
                     }
                     continue;
                 }
-                let end_index = domain
+
+                let end_index = current_domain
                     .rfind(':')
-                    .with_context(|| format!("{:?} not port", domain))?;
+                    .with_context(|| format!("{:?} not port", current_domain))?;
                 let host = &domain[..end_index];
                 let port = u16::from_str(&domain[end_index + 1..])
-                    .with_context(|| format!("{:?} not port", domain))?;
+                    .with_context(|| format!("{:?} not port", current_domain))?;
                 let th1 = {
                     let host = host.to_string();
                     let name_server = name_server.clone();
-                    thread::spawn(move || a_dns(host, name_server))
+                    let default_interface = default_interface.clone();
+                    thread::spawn(move || a_dns(host, name_server, &default_interface))
                 };
                 let th2 = {
                     let host = host.to_string();
                     let name_server = name_server.clone();
-                    thread::spawn(move || aaaa_dns(host, name_server))
+                    let default_interface = default_interface.clone();
+                    thread::spawn(move || aaaa_dns(host, name_server, &default_interface))
                 };
                 let mut addr = Vec::new();
                 match th1.join().unwrap() {
@@ -170,12 +203,110 @@ pub fn dns_query_all(
             if let Some(e) = err {
                 Err(e)
             } else {
-                Err(anyhow::anyhow!("DNS query failed {:?}", domain))
+                Err(anyhow::anyhow!("DNS query failed {:?}", current_domain))
             }
         }
     }
 }
 
+fn parse_host_port(addr: &str) -> bool {
+    // 处理 IPv6 地址（格式为 [::1]:8080）
+    if addr.starts_with('[') {
+        if let Some(idx) = addr.rfind(']') {
+            if let Some(port_idx) = addr[idx + 1..].find(':') {
+                let port = &addr[idx + 1 + port_idx + 1..]; // 提取端口部分
+                return !port.is_empty() && port.chars().all(|c| c.is_numeric());
+            }
+        }
+    } else {
+        // 处理 IPv4 和普通域名（格式为 example.com:443 或 192.168.1.1:8080）
+        if let Some((_host, port)) = addr.rsplit_once(':') {
+            return !port.is_empty() && port.chars().all(|c| c.is_numeric());
+        }
+    }
+    false
+}
+
+fn check_for_redirect(domain: &String) -> anyhow::Result<Option<String>> {
+    // 确保域名有 http:// 或 https:// 前缀
+    let mut url = if domain.starts_with("http://") || domain.starts_with("https://") {
+        domain.clone()
+    } else {
+        format!("http://{}", domain)
+    };
+
+    let mut count = 0; // 重定向次数计数器
+    let mut last_redirect_url: Option<String> = None; // 记录最后一个重定向的 URL
+
+    loop {
+        count += 1;
+        if count > 3 {
+            println!("重定向次数超过 3 次，跳过");
+            return Ok(last_redirect_url);
+        }
+
+        // 解析 URL
+        let uri = match Uri::try_from(url.as_str()) {
+            Ok(u) => u,
+            Err(e) => {
+                println!("解析地址失败: {}", e);
+                return Ok(last_redirect_url);
+            }
+        };
+
+        let mut response_body = Vec::new();
+
+        // 发送 HTTP 请求
+        let response = match Request::new(&uri)
+            .timeout(Duration::from_secs(10))
+            .redirect_policy(RedirectPolicy::Limit(0))
+            .send(&mut response_body)
+        {
+            Ok(resp) => {
+                println!("HTTP Status Code: {}", resp.status_code());
+                resp
+            }
+            Err(e) => {
+                return Ok(last_redirect_url);
+            }
+        };
+
+        let body_str = String::from_utf8_lossy(&response_body);
+        let cleaned_body = body_str.replace('\n', "").replace('\r', "");
+        println!("Response Body: {}", cleaned_body);
+        // 处理 3XX 重定向
+        if response.status_code().is_redirect() {
+            if let Some(location) = response.headers().get("Location") {
+                url = location.to_string().trim_end_matches('/').to_string();
+                last_redirect_url = Some(url.clone()); // 更新最后的重定向地址
+                println!("Location: {}", url);
+                continue;
+            } else {
+                return Ok(last_redirect_url);
+            }
+        }
+        // 处理 200 响应
+        else if response.status_code().is_success() {
+            for line in body_str.lines() {
+                let trimmed = line.trim();
+                if parse_host_port(trimmed) {
+                    println!("text: {}", trimmed);
+                    return Ok(Some(trimmed.to_string()));
+                }
+            }
+            return Ok(last_redirect_url);
+        }
+        return Ok(last_redirect_url);
+    }
+}
+
+/// 去掉 http:// 或 https:// 前缀
+fn remove_http_prefix(url: &str) -> String {
+    url.trim_start_matches("http://")
+        .trim_start_matches("https://")
+        .to_string()
+}
+
 fn query<'a>(
     udp: &UdpSocket,
     domain: &str,
@@ -230,9 +361,13 @@ fn query<'a>(
     Ok(pkt)
 }
 
-pub fn txt_dns(domain: &str, name_server: String) -> anyhow::Result<Vec<SocketAddr>> {
+pub fn txt_dns(
+    domain: &str,
+    name_server: String,
+    default_interface: &LocalInterface,
+) -> anyhow::Result<Vec<SocketAddr>> {
     let name_server: SocketAddr = name_server.parse()?;
-    let udp = bind_udp(name_server)?;
+    let udp = bind_udp(name_server, default_interface)?;
     let mut buf = [0; 65536];
     let message = query(&udp, domain, name_server, QueryType::TXT, &mut buf)?;
     let mut rs = Vec::new();
@@ -249,19 +384,28 @@ pub fn txt_dns(domain: &str, name_server: String) -> anyhow::Result<Vec<SocketAd
     Ok(rs)
 }
 
-fn bind_udp(name_server: SocketAddr) -> anyhow::Result<UdpSocket> {
-    let udp = if name_server.is_ipv4() {
-        UdpSocket::bind("0.0.0.0:0")?
+fn bind_udp(
+    name_server: SocketAddr,
+    default_interface: &LocalInterface,
+) -> anyhow::Result<UdpSocket> {
+    let addr: SocketAddr = if name_server.is_ipv4() {
+        "0.0.0.0:0".parse().unwrap()
     } else {
-        UdpSocket::bind("[::]:0")?
+        "[::]:0".parse().unwrap()
     };
-    udp.set_read_timeout(Some(Duration::from_millis(800)))?;
-    Ok(udp)
+    let socket = crate::channel::socket::bind_udp(addr, default_interface)?;
+    socket.set_nonblocking(false)?;
+    socket.set_read_timeout(Some(Duration::from_millis(800)))?;
+    Ok(socket.into())
 }
 
-pub fn a_dns(domain: String, name_server: String) -> anyhow::Result<Vec<Ipv4Addr>> {
+pub fn a_dns(
+    domain: String,
+    name_server: String,
+    default_interface: &LocalInterface,
+) -> anyhow::Result<Vec<Ipv4Addr>> {
     let name_server: SocketAddr = name_server.parse()?;
-    let udp = bind_udp(name_server)?;
+    let udp = bind_udp(name_server, default_interface)?;
     let mut buf = [0; 65536];
     let message = query(&udp, &domain, name_server, QueryType::A, &mut buf)?;
     let mut rs = Vec::new();
@@ -273,9 +417,13 @@ pub fn a_dns(domain: String, name_server: String) -> anyhow::Result<Vec<Ipv4Addr
     Ok(rs)
 }
 
-pub fn aaaa_dns(domain: String, name_server: String) -> anyhow::Result<Vec<Ipv6Addr>> {
+pub fn aaaa_dns(
+    domain: String,
+    name_server: String,
+    default_interface: &LocalInterface,
+) -> anyhow::Result<Vec<Ipv6Addr>> {
     let name_server: SocketAddr = name_server.parse()?;
-    let udp = bind_udp(name_server)?;
+    let udp = bind_udp(name_server, default_interface)?;
     let mut buf = [0; 65536];
     let message = query(&udp, &domain, name_server, QueryType::AAAA, &mut buf)?;
     let mut rs = Vec::new();

vnt/tun/Cargo.toml

@@ -1,33 +0,0 @@
-[package]
-name = "tun"
-version = "0.1.0"
-edition = "2021"
-
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-libc = "0.2.153"
-
-log = { version = "0.4.20", features = [] }
-rand = "0.8.5"
-sha2 = { version = "0.10.6", features = ["oid"] }
-
-[target.'cfg(any(target_os = "linux", target_os = "macos"))'.dependencies]
-ioctl = { version = "0.8", package = "ioctl-sys" }
-
-[target.'cfg(target_os = "windows")'.dependencies]
-libloading = "0.8.0"
-widestring = "1.0.2"
-winapi = {version = "0.3",features = [
-    "errhandlingapi",
-    "combaseapi",
-    "ioapiset",
-    "winioctl",
-    "setupapi",
-    "synchapi",
-    "netioapi",
-    "fileapi","handleapi","winerror","minwindef","ifdef","basetsd","winnt","winreg","winbase","minwinbase",
-    "impl-default"
-]}
-

vnt/tun/src/android/mod.rs

@@ -1,61 +0,0 @@
-use crate::device::IFace;
-use crate::Fd;
-use std::io;
-use std::net::Ipv4Addr;
-use std::os::fd::RawFd;
-
-pub struct Device {
-    fd: Fd,
-}
-
-impl Device {
-    pub fn new(fd: RawFd) -> io::Result<Self> {
-        Ok(Self { fd: Fd::new(fd)? })
-    }
-}
-impl Device {
-    pub fn as_tun_fd(&self) -> &Fd {
-        &self.fd
-    }
-}
-impl IFace for Device {
-    fn version(&self) -> io::Result<String> {
-        Ok(String::new())
-    }
-
-    fn name(&self) -> io::Result<String> {
-        Ok(String::new())
-    }
-
-    fn shutdown(&self) -> io::Result<()> {
-        Err(io::Error::from(io::ErrorKind::Unsupported))
-    }
-
-    fn set_ip(&self, _address: Ipv4Addr, _mask: Ipv4Addr) -> io::Result<()> {
-        Err(io::Error::from(io::ErrorKind::Unsupported))
-    }
-
-    fn mtu(&self) -> io::Result<u32> {
-        Err(io::Error::from(io::ErrorKind::Unsupported))
-    }
-
-    fn set_mtu(&self, _value: u32) -> io::Result<()> {
-        Err(io::Error::from(io::ErrorKind::Unsupported))
-    }
-
-    fn add_route(&self, _dest: Ipv4Addr, _netmask: Ipv4Addr, _metric: u16) -> io::Result<()> {
-        Err(io::Error::from(io::ErrorKind::Unsupported))
-    }
-
-    fn delete_route(&self, _dest: Ipv4Addr, _netmask: Ipv4Addr) -> io::Result<()> {
-        Err(io::Error::from(io::ErrorKind::Unsupported))
-    }
-
-    fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
-        self.fd.read(buf)
-    }
-
-    fn write(&self, buf: &[u8]) -> io::Result<usize> {
-        self.fd.write(buf)
-    }
-}

vnt/tun/src/device.rs

@@ -1,24 +0,0 @@
-use io::Result;
-use std::io;
-use std::net::Ipv4Addr;
-
-pub trait IFace {
-    fn version(&self) -> Result<String>;
-    /// Get the device name.
-    fn name(&self) -> Result<String>;
-
-    fn shutdown(&self) -> Result<()>;
-
-    fn set_ip(&self, address: Ipv4Addr, mask: Ipv4Addr) -> Result<()>;
-
-    /// Get the MTU.
-    fn mtu(&self) -> Result<u32>;
-
-    /// Set the MTU.
-    fn set_mtu(&self, value: u32) -> Result<()>;
-    fn add_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, metric: u16) -> Result<()>;
-    fn delete_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr) -> Result<()>;
-
-    fn read(&self, buf: &mut [u8]) -> Result<usize>;
-    fn write(&self, buf: &[u8]) -> Result<usize>;
-}

vnt/tun/src/lib.rs

@@ -1,33 +0,0 @@
-/// 参考
-/// https://github.com/meh/rust-tun
-/// https://github.com/Tazdevil971/tap-windows
-/// https://github.com/nulldotblack/wintun
-pub mod device;
-
-#[cfg(target_os = "linux")]
-mod linux;
-#[cfg(target_os = "linux")]
-pub use linux::Device;
-
-#[cfg(target_os = "android")]
-mod android;
-#[cfg(target_os = "android")]
-pub use android::Device;
-
-#[cfg(target_os = "macos")]
-mod macos;
-#[cfg(target_os = "macos")]
-pub use macos::Device;
-
-#[cfg(unix)]
-mod unix;
-#[cfg(unix)]
-pub use unix::Fd;
-#[cfg(windows)]
-mod windows;
-
-#[cfg(windows)]
-pub use windows::Device;
-
-#[cfg(windows)]
-mod packet;

vnt/tun/src/linux/device.rs

@@ -1,281 +0,0 @@
-#![allow(dead_code)]
-use std::ffi::{CStr, CString};
-use std::net::Ipv4Addr;
-use std::os::fd::AsRawFd;
-use std::{io, mem, ptr};
-
-use libc::{
-    c_char, c_short, ifreq, AF_INET, IFF_MULTI_QUEUE, IFF_NO_PI, IFF_RUNNING, IFF_TUN, IFF_UP,
-    IFNAMSIZ, O_RDWR, SOCK_DGRAM,
-};
-
-use crate::device::IFace;
-use crate::linux::route;
-use crate::linux::sys::*;
-use crate::unix::{exe_cmd, Fd, SockAddr};
-
-pub struct Device {
-    name: String,
-    ctl: Fd,
-    tun: Fd,
-}
-
-impl Device {
-    pub fn new(name: Option<String>) -> io::Result<Self> {
-        let device = unsafe {
-            let dev = match name {
-                Some(name) => {
-                    let name =
-                        CString::new(name).map_err(|e| io::Error::new(io::ErrorKind::Other, e))?;
-
-                    if name.as_bytes_with_nul().len() > IFNAMSIZ {
-                        return Err(io::Error::new(io::ErrorKind::InvalidInput, "name too long"));
-                    }
-
-                    Some(name)
-                }
-
-                None => None,
-            };
-
-            let mut req: ifreq = mem::zeroed();
-
-            if let Some(dev) = dev.as_ref() {
-                ptr::copy_nonoverlapping(
-                    dev.as_ptr() as *const c_char,
-                    req.ifr_name.as_mut_ptr(),
-                    dev.as_bytes().len(),
-                );
-            }
-
-            let device_type: c_short = IFF_TUN as c_short; //if tap { IFF_TAP } else { IFF_TUN } as c_short;
-
-            let queues_num = 1;
-
-            let iff_no_pi = IFF_NO_PI as c_short;
-            let iff_multi_queue = IFF_MULTI_QUEUE as c_short;
-            let packet_information = false;
-            req.ifr_ifru.ifru_flags = device_type
-                | if packet_information { 0 } else { iff_no_pi }
-                | if queues_num > 1 { iff_multi_queue } else { 0 };
-
-            let tun = Fd::new(libc::open(b"/dev/net/tun\0".as_ptr() as *const _, O_RDWR))
-                .map_err(|_| io::Error::last_os_error())?;
-
-            if tunsetiff(tun.0, &mut req as *mut _ as *mut _) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            let ctl = Fd::new(libc::socket(AF_INET, SOCK_DGRAM, 0))?;
-
-            let name = CStr::from_ptr(req.ifr_name.as_ptr())
-                .to_string_lossy()
-                .to_string();
-            let set_txqueuelen = format!("ifconfig {} txqueuelen 1000", name);
-            if let Err(e) = exe_cmd(&set_txqueuelen) {
-                log::warn!("{:?}", e);
-            }
-            Device { name, tun, ctl }
-        };
-        device.enabled(true)?;
-        Ok(device)
-    }
-}
-
-impl Device {
-    fn enabled(&self, value: bool) -> io::Result<()> {
-        unsafe {
-            let mut req = self.request();
-
-            if siocgifflags(self.ctl.as_raw_fd(), &mut req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            if value {
-                req.ifr_ifru.ifru_flags |= (IFF_UP | IFF_RUNNING) as c_short;
-            } else {
-                req.ifr_ifru.ifru_flags &= !(IFF_UP as c_short);
-            }
-
-            if siocsifflags(self.ctl.as_raw_fd(), &req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(())
-        }
-    }
-    unsafe fn request(&self) -> ifreq {
-        let mut req: ifreq = mem::zeroed();
-        ptr::copy_nonoverlapping(
-            self.name.as_ptr() as *const c_char,
-            req.ifr_name.as_mut_ptr(),
-            self.name.len(),
-        );
-        req
-    }
-    fn address(&self) -> io::Result<Ipv4Addr> {
-        unsafe {
-            let mut req = self.request();
-
-            if siocgifaddr(self.ctl.as_raw_fd(), &mut req) < 0 {
-                return Err(io::Error::last_os_error().into());
-            }
-
-            SockAddr::new(&req.ifr_ifru.ifru_addr).map(Into::into)
-        }
-    }
-
-    fn set_address(&self, value: Ipv4Addr) -> io::Result<()> {
-        unsafe {
-            let mut req = self.request();
-            req.ifr_ifru.ifru_addr = SockAddr::from(value).into();
-
-            if siocsifaddr(self.ctl.as_raw_fd(), &req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(())
-        }
-    }
-
-    fn destination(&self) -> io::Result<Ipv4Addr> {
-        unsafe {
-            let mut req = self.request();
-
-            if siocgifdstaddr(self.ctl.as_raw_fd(), &mut req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            SockAddr::new(&req.ifr_ifru.ifru_dstaddr).map(Into::into)
-        }
-    }
-
-    fn set_destination(&self, value: Ipv4Addr) -> io::Result<()> {
-        unsafe {
-            let mut req = self.request();
-            req.ifr_ifru.ifru_dstaddr = SockAddr::from(value).into();
-
-            if siocsifdstaddr(self.ctl.as_raw_fd(), &req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(())
-        }
-    }
-
-    fn broadcast(&self) -> io::Result<Ipv4Addr> {
-        unsafe {
-            let mut req = self.request();
-
-            if siocgifbrdaddr(self.ctl.as_raw_fd(), &mut req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            SockAddr::new(&req.ifr_ifru.ifru_broadaddr).map(Into::into)
-        }
-    }
-
-    fn set_broadcast(&self, value: Ipv4Addr) -> io::Result<()> {
-        unsafe {
-            let mut req = self.request();
-            req.ifr_ifru.ifru_broadaddr = SockAddr::from(value).into();
-
-            if siocsifbrdaddr(self.ctl.as_raw_fd(), &req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(())
-        }
-    }
-
-    fn netmask(&self) -> io::Result<Ipv4Addr> {
-        unsafe {
-            let mut req = self.request();
-
-            if siocgifnetmask(self.ctl.as_raw_fd(), &mut req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            SockAddr::new(&req.ifr_ifru.ifru_netmask).map(Into::into)
-        }
-    }
-
-    fn set_netmask(&self, value: Ipv4Addr) -> io::Result<()> {
-        unsafe {
-            let mut req = self.request();
-            req.ifr_ifru.ifru_netmask = SockAddr::from(value).into();
-
-            if siocsifnetmask(self.ctl.as_raw_fd(), &req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(())
-        }
-    }
-}
-
-impl Device {
-    pub fn as_tun_fd(&self) -> &Fd {
-        &self.tun
-    }
-}
-
-impl IFace for Device {
-    fn version(&self) -> io::Result<String> {
-        Ok(String::new())
-    }
-
-    fn name(&self) -> io::Result<String> {
-        Ok(self.name.clone())
-    }
-
-    fn shutdown(&self) -> io::Result<()> {
-        exe_cmd(&format!("ip link delete {}", self.name))?;
-        Ok(())
-    }
-    fn set_ip(&self, address: Ipv4Addr, mask: Ipv4Addr) -> io::Result<()> {
-        self.set_address(address)?;
-        self.set_netmask(mask)
-    }
-
-    fn mtu(&self) -> io::Result<u32> {
-        unsafe {
-            let mut req = self.request();
-
-            if siocgifmtu(self.ctl.as_raw_fd(), &mut req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(req.ifr_ifru.ifru_mtu as u32)
-        }
-    }
-
-    fn set_mtu(&self, value: u32) -> io::Result<()> {
-        unsafe {
-            let mut req = self.request();
-            req.ifr_ifru.ifru_mtu = value as _;
-
-            if siocsifmtu(self.ctl.as_raw_fd(), &req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(())
-        }
-    }
-
-    fn add_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, _metric: u16) -> io::Result<()> {
-        route::add_route(&self.name, dest, netmask)
-    }
-
-    fn delete_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
-        route::del_route(&self.name, dest, netmask)
-    }
-
-    fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
-        self.tun.read(buf)
-    }
-
-    fn write(&self, buf: &[u8]) -> io::Result<usize> {
-        self.tun.write(buf)
-    }
-}

vnt/tun/src/linux/mod.rs

@@ -1,4 +0,0 @@
-mod device;
-pub use device::Device;
-mod route;
-mod sys;

vnt/tun/src/linux/route.rs

@@ -1,16 +0,0 @@
-use std::io;
-use std::net::Ipv4Addr;
-
-use crate::unix::exe_cmd;
-
-pub fn add_route(name: &str, address: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
-    let cmd = format!("ip route add {:?}/{:?} dev {}", address, netmask, name);
-    exe_cmd(&cmd)?;
-    Ok(())
-}
-
-pub fn del_route(name: &str, address: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
-    let cmd = format!("ip route del {:?}/{:?} dev {}", address, netmask, name);
-    exe_cmd(&cmd)?;
-    Ok(())
-}

vnt/tun/src/linux/sys.rs

@@ -1,21 +0,0 @@
-use ioctl::*;
-use libc::{c_int, ifreq};
-
-ioctl!(bad read siocgifflags with 0x8913; ifreq);
-ioctl!(bad write siocsifflags with 0x8914; ifreq);
-ioctl!(bad read siocgifaddr with 0x8915; ifreq);
-ioctl!(bad write siocsifaddr with 0x8916; ifreq);
-ioctl!(bad read siocgifdstaddr with 0x8917; ifreq);
-ioctl!(bad write siocsifdstaddr with 0x8918; ifreq);
-ioctl!(bad read siocgifbrdaddr with 0x8919; ifreq);
-ioctl!(bad write siocsifbrdaddr with 0x891a; ifreq);
-ioctl!(bad read siocgifnetmask with 0x891b; ifreq);
-ioctl!(bad write siocsifnetmask with 0x891c; ifreq);
-ioctl!(bad read siocgifmtu with 0x8921; ifreq);
-ioctl!(bad write siocsifmtu with 0x8922; ifreq);
-ioctl!(bad write siocsifname with 0x8923; ifreq);
-
-ioctl!(write tunsetiff with b'T', 202; c_int);
-ioctl!(write tunsetpersist with b'T', 203; c_int);
-ioctl!(write tunsetowner with b'T', 204; c_int);
-ioctl!(write tunsetgroup with b'T', 206; c_int);

vnt/tun/src/macos/device.rs

@@ -1,297 +0,0 @@
-#![allow(dead_code)]
-use std::ffi::{c_void, CStr};
-use std::net::Ipv4Addr;
-use std::os::fd::AsRawFd;
-use std::{io, mem, ptr};
-
-use libc::{
-    c_char, c_short, c_uint, sockaddr, socklen_t, AF_INET, AF_SYSTEM, AF_SYS_CONTROL, IFF_RUNNING,
-    IFF_UP, IFNAMSIZ, PF_SYSTEM, SOCK_DGRAM, SYSPROTO_CONTROL, UTUN_OPT_IFNAME,
-};
-
-use crate::device::IFace;
-use crate::macos::route;
-use crate::macos::sys::*;
-use crate::unix::{Fd, SockAddr};
-
-pub struct Device {
-    name: String,
-    ctl: Fd,
-    tun: Fd,
-}
-
-impl Device {
-    pub fn new(name: Option<String>) -> io::Result<Self> {
-        let id = if let Some(name) = name {
-            if name.len() > IFNAMSIZ {
-                return Err(io::Error::new(io::ErrorKind::InvalidInput, "name too long"));
-            }
-
-            if !name.starts_with("utun") {
-                return Err(io::Error::new(io::ErrorKind::InvalidInput, "invalid name"));
-            }
-
-            name[4..]
-                .parse::<u32>()
-                .map_err(|e| io::Error::new(io::ErrorKind::Other, e))?
-                + 1u32
-        } else {
-            0u32
-        };
-        let device = unsafe {
-            let tun = Fd::new(libc::socket(PF_SYSTEM, SOCK_DGRAM, SYSPROTO_CONTROL))?;
-
-            let mut info = ctl_info {
-                ctl_id: 0,
-                ctl_name: {
-                    let mut buffer = [0; 96];
-                    for (i, o) in UTUN_CONTROL_NAME.as_bytes().iter().zip(buffer.iter_mut()) {
-                        *o = *i as _;
-                    }
-                    buffer
-                },
-            };
-
-            if ctliocginfo(tun.0, &mut info as *mut _ as *mut _) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            let addr = sockaddr_ctl {
-                sc_id: info.ctl_id,
-                sc_len: mem::size_of::<sockaddr_ctl>() as _,
-                sc_family: AF_SYSTEM as _,
-                ss_sysaddr: AF_SYS_CONTROL as _,
-                sc_unit: id as c_uint,
-                sc_reserved: [0; 5],
-            };
-
-            let address = &addr as *const sockaddr_ctl as *const sockaddr;
-            if libc::connect(tun.0, address, mem::size_of_val(&addr) as socklen_t) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            let mut name = [0u8; 64];
-            let mut name_len: socklen_t = 64;
-
-            let optval = &mut name as *mut _ as *mut c_void;
-            let optlen = &mut name_len as *mut socklen_t;
-            if libc::getsockopt(tun.0, SYSPROTO_CONTROL, UTUN_OPT_IFNAME, optval, optlen) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            let ctl = Fd::new(libc::socket(AF_INET, SOCK_DGRAM, 0))?;
-
-            Device {
-                name: CStr::from_ptr(name.as_ptr() as *const c_char)
-                    .to_string_lossy()
-                    .into(),
-                tun,
-                ctl,
-            }
-        };
-        device.enabled(true)?;
-        Ok(device)
-    }
-}
-
-impl Device {
-    fn enabled(&self, value: bool) -> io::Result<()> {
-        unsafe {
-            let mut req = self.request();
-
-            if siocgifflags(self.ctl.as_raw_fd(), &mut req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            if value {
-                req.ifru.flags |= (IFF_UP | IFF_RUNNING) as c_short;
-            } else {
-                req.ifru.flags &= !(IFF_UP as c_short);
-            }
-
-            if siocsifflags(self.ctl.as_raw_fd(), &req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(())
-        }
-    }
-    unsafe fn request(&self) -> ifreq {
-        let mut req: ifreq = mem::zeroed();
-        ptr::copy_nonoverlapping(
-            self.name.as_ptr() as *const c_char,
-            req.ifrn.name.as_mut_ptr(),
-            self.name.len(),
-        );
-        req
-    }
-    fn address(&self) -> io::Result<Ipv4Addr> {
-        unsafe {
-            let mut req = self.request();
-
-            if siocgifaddr(self.ctl.as_raw_fd(), &mut req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            SockAddr::new(&req.ifru.addr).map(Into::into)
-        }
-    }
-
-    fn set_address(&self, value: Ipv4Addr) -> io::Result<()> {
-        unsafe {
-            let mut req = self.request();
-            req.ifru.addr = SockAddr::from(value).into();
-
-            if siocsifaddr(self.ctl.as_raw_fd(), &req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(())
-        }
-    }
-
-    fn destination(&self) -> io::Result<Ipv4Addr> {
-        unsafe {
-            let mut req = self.request();
-
-            if siocgifdstaddr(self.ctl.as_raw_fd(), &mut req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            SockAddr::new(&req.ifru.dstaddr).map(Into::into)
-        }
-    }
-
-    fn set_destination(&self, value: Ipv4Addr) -> io::Result<()> {
-        unsafe {
-            let mut req = self.request();
-            req.ifru.dstaddr = SockAddr::from(value).into();
-
-            if siocsifdstaddr(self.ctl.as_raw_fd(), &req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(())
-        }
-    }
-
-    fn broadcast(&self) -> io::Result<Ipv4Addr> {
-        unsafe {
-            let mut req = self.request();
-
-            if siocgifbrdaddr(self.ctl.as_raw_fd(), &mut req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            SockAddr::new(&req.ifru.broadaddr).map(Into::into)
-        }
-    }
-
-    fn set_broadcast(&self, value: Ipv4Addr) -> io::Result<()> {
-        unsafe {
-            let mut req = self.request();
-            req.ifru.broadaddr = SockAddr::from(value).into();
-
-            if siocsifbrdaddr(self.ctl.as_raw_fd(), &req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(())
-        }
-    }
-
-    fn netmask(&self) -> io::Result<Ipv4Addr> {
-        unsafe {
-            let mut req = self.request();
-
-            if siocgifnetmask(self.ctl.as_raw_fd(), &mut req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            SockAddr::unchecked(&req.ifru.addr).map(Into::into)
-        }
-    }
-
-    fn set_netmask(&self, value: Ipv4Addr) -> io::Result<()> {
-        unsafe {
-            let mut req = self.request();
-            req.ifru.addr = SockAddr::from(value).into();
-
-            if siocsifnetmask(self.ctl.as_raw_fd(), &req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(())
-        }
-    }
-}
-impl Device {
-    pub fn as_tun_fd(&self) -> &Fd {
-        &self.tun
-    }
-}
-
-impl IFace for Device {
-    fn version(&self) -> io::Result<String> {
-        Ok(String::new())
-    }
-
-    fn name(&self) -> io::Result<String> {
-        Ok(self.name.clone())
-    }
-
-    fn shutdown(&self) -> io::Result<()> {
-        Ok(())
-    }
-
-    fn set_ip(&self, address: Ipv4Addr, mask: Ipv4Addr) -> io::Result<()> {
-        self.set_address(address)?;
-        self.set_netmask(mask)
-    }
-
-    fn mtu(&self) -> io::Result<u32> {
-        unsafe {
-            let mut req = self.request();
-
-            if siocgifmtu(self.ctl.as_raw_fd(), &mut req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(req.ifru.mtu as _)
-        }
-    }
-
-    fn set_mtu(&self, value: u32) -> io::Result<()> {
-        unsafe {
-            let mut req = self.request();
-            req.ifru.mtu = value as _;
-
-            if siocsifmtu(self.ctl.as_raw_fd(), &req) < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(())
-        }
-    }
-
-    fn add_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, _metric: u16) -> io::Result<()> {
-        route::add_route(&self.name, dest, netmask)
-    }
-
-    fn delete_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
-        route::del_route(&self.name, dest, netmask)
-    }
-
-    fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
-        self.tun.read(buf)
-    }
-
-    fn write(&self, buf: &[u8]) -> io::Result<usize> {
-        let mut packet = Vec::<u8>::with_capacity(4 + buf.len());
-        packet.push(0);
-        packet.push(0);
-        packet.extend_from_slice(&(libc::PF_INET as u16).to_be_bytes());
-        packet.extend_from_slice(buf);
-        self.tun.write(&packet)
-    }
-}

vnt/tun/src/macos/mod.rs

@@ -1,5 +0,0 @@
-mod device;
-pub use device::Device;
-mod sys;
-
-mod route;

vnt/tun/src/macos/route.rs

@@ -1,20 +0,0 @@
-use crate::unix::exe_cmd;
-use std::io;
-use std::net::Ipv4Addr;
-
-pub fn add_route(name: &str, address: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
-    let cmd = format!(
-        "route -n add {} -netmask {} -interface {}",
-        address, netmask, name
-    );
-    exe_cmd(&cmd)?;
-    Ok(())
-}
-pub fn del_route(name: &str, address: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
-    let cmd = format!(
-        "route -n delete {} -netmask {} -interface {}",
-        address, netmask, name
-    );
-    exe_cmd(&cmd)?;
-    Ok(())
-}

vnt/tun/src/macos/sys.rs

@@ -1,119 +0,0 @@
-//! Bindings to internal macOS stuff.
-
-use ioctl::*;
-use libc::{c_char, c_int, c_short, c_uint, c_ushort, c_void, sockaddr, IFNAMSIZ};
-
-pub const UTUN_CONTROL_NAME: &str = "com.apple.net.utun_control";
-
-#[allow(non_camel_case_types)]
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub struct ctl_info {
-    pub ctl_id: c_uint,
-    pub ctl_name: [c_char; 96],
-}
-
-#[allow(non_camel_case_types)]
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub struct sockaddr_ctl {
-    pub sc_len: c_char,
-    pub sc_family: c_char,
-    pub ss_sysaddr: c_ushort,
-    pub sc_id: c_uint,
-    pub sc_unit: c_uint,
-    pub sc_reserved: [c_uint; 5],
-}
-
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub union ifrn {
-    pub name: [c_char; IFNAMSIZ],
-}
-
-#[allow(non_camel_case_types)]
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub struct ifdevmtu {
-    pub current: c_int,
-    pub min: c_int,
-    pub max: c_int,
-}
-
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub union ifku {
-    pub ptr: *mut c_void,
-    pub value: c_int,
-}
-
-#[allow(non_camel_case_types)]
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub struct ifkpi {
-    pub module_id: c_uint,
-    pub type_: c_uint,
-    pub ifku: ifku,
-}
-
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub union ifru {
-    pub addr: sockaddr,
-    pub dstaddr: sockaddr,
-    pub broadaddr: sockaddr,
-
-    pub flags: c_short,
-    pub metric: c_int,
-    pub mtu: c_int,
-    pub phys: c_int,
-    pub media: c_int,
-    pub intval: c_int,
-    pub data: *mut c_void,
-    pub devmtu: ifdevmtu,
-    pub wake_flags: c_uint,
-    pub route_refcnt: c_uint,
-    pub cap: [c_int; 2],
-    pub functional_type: c_uint,
-}
-
-#[allow(non_camel_case_types)]
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub struct ifreq {
-    pub ifrn: ifrn,
-    pub ifru: ifru,
-}
-
-#[allow(non_camel_case_types)]
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub struct ifaliasreq {
-    pub ifran: [c_char; IFNAMSIZ],
-    pub addr: sockaddr,
-    pub broadaddr: sockaddr,
-    pub mask: sockaddr,
-}
-
-ioctl!(readwrite ctliocginfo with 'N', 3; ctl_info);
-
-ioctl!(write siocsifflags with 'i', 16; ifreq);
-ioctl!(readwrite siocgifflags with 'i', 17; ifreq);
-
-ioctl!(write siocsifaddr with 'i', 12; ifreq);
-ioctl!(readwrite siocgifaddr with 'i', 33; ifreq);
-
-ioctl!(write siocsifdstaddr with 'i', 14; ifreq);
-ioctl!(readwrite siocgifdstaddr with 'i', 34; ifreq);
-
-ioctl!(write siocsifbrdaddr with 'i', 19; ifreq);
-ioctl!(readwrite siocgifbrdaddr with 'i', 35; ifreq);
-
-ioctl!(write siocsifnetmask with 'i', 22; ifreq);
-ioctl!(readwrite siocgifnetmask with 'i', 37; ifreq);
-
-ioctl!(write siocsifmtu with 'i', 52; ifreq);
-ioctl!(readwrite siocgifmtu with 'i', 51; ifreq);
-
-ioctl!(write siocaifaddr with 'i', 26; ifaliasreq);
-ioctl!(write siocdifaddr with 'i', 25; ifreq);

vnt/tun/src/packet/arp/mod.rs

@@ -1 +0,0 @@
-pub mod packet;

vnt/tun/src/packet/arp/packet.rs

@@ -1,123 +0,0 @@
-#![allow(dead_code)]
-use std::{fmt, io};
-
-/// 地址解析协议，由IP地址找到MAC地址
-/// https://www.ietf.org/rfc/rfc6747.txt
-/*
-  0      2       4         5          6      8      10  (字节)
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | 硬件类型|协议类型|硬件地址长度|协议地址长度|操作类型|
- |          源MAC地址                  |    源ip地址    |
- |          目的MAC地址                 |   目的ip地址   |
-*/
-
-pub struct ArpPacket<B> {
-    buffer: B,
-}
-
-impl<B: AsRef<[u8]>> ArpPacket<B> {
-    pub fn unchecked(buffer: B) -> Self {
-        Self { buffer }
-    }
-    pub fn new(buffer: B) -> io::Result<Self> {
-        if buffer.as_ref().len() != 28 {
-            Err(io::Error::from(io::ErrorKind::InvalidData))?;
-        }
-        let packet = Self::unchecked(buffer);
-        Ok(packet)
-    }
-}
-
-impl<B: AsRef<[u8]>> ArpPacket<B> {
-    /// 硬件类型 以太网类型为1
-    pub fn hardware_type(&self) -> u16 {
-        u16::from_be_bytes(self.buffer.as_ref()[0..2].try_into().unwrap())
-    }
-    /// 上层协议类型,ipv4是0x0800
-    pub fn protocol_type(&self) -> u16 {
-        u16::from_be_bytes(self.buffer.as_ref()[2..4].try_into().unwrap())
-    }
-    /// 如果是MAC地址 则长度为6
-    pub fn hardware_size(&self) -> u8 {
-        self.buffer.as_ref()[4]
-    }
-    /// 如果是IPv4 则长度为4
-    pub fn protocol_size(&self) -> u8 {
-        self.buffer.as_ref()[5]
-    }
-    /// 操作类型，请求和响应 1：ARP请求，2：ARP响应，3：RARP请求，4：RARP响应
-    pub fn op_code(&self) -> u16 {
-        u16::from_be_bytes(self.buffer.as_ref()[6..8].try_into().unwrap())
-    }
-    /// 发送端硬件地址，仅支持以太网
-    pub fn sender_hardware_addr(&self) -> &[u8] {
-        &self.buffer.as_ref()[8..14]
-    }
-    /// 发送端协议地址，仅支持IPv4
-    pub fn sender_protocol_addr(&self) -> &[u8] {
-        &self.buffer.as_ref()[14..18]
-    }
-    /// 接收端硬件地址，仅支持以太网
-    pub fn target_hardware_addr(&self) -> &[u8] {
-        &self.buffer.as_ref()[18..24]
-    }
-    /// 接收端协议地址，仅支持IPv4
-    pub fn target_protocol_addr(&self) -> &[u8] {
-        &self.buffer.as_ref()[24..28]
-    }
-}
-
-impl<B: AsRef<[u8]> + AsMut<[u8]>> ArpPacket<B> {
-    /// 硬件类型 以太网类型为1
-    pub fn set_hardware_type(&mut self, value: u16) {
-        self.buffer.as_mut()[0..2].copy_from_slice(&value.to_be_bytes())
-    }
-    /// 上层协议类型,ipv4是0x0800
-    pub fn set_protocol_type(&mut self, value: u16) {
-        self.buffer.as_mut()[2..4].copy_from_slice(&value.to_be_bytes())
-    }
-    /// 如果是MAC地址 则长度为6
-    pub fn set_hardware_size(&mut self, value: u8) {
-        self.buffer.as_mut()[4] = value
-    }
-    /// 如果是IPv4 则长度为4
-    pub fn set_protocol_size(&mut self, value: u8) {
-        self.buffer.as_mut()[5] = value
-    }
-    /// 操作类型，请求和响应 1：ARP请求，2：ARP响应，3：RARP请求，4：RARP响应
-    pub fn set_op_code(&mut self, value: u16) {
-        self.buffer.as_mut()[6..8].copy_from_slice(&value.to_be_bytes())
-    }
-    /// 发送端硬件地址，仅支持以太网
-    pub fn set_sender_hardware_addr(&mut self, buf: &[u8]) {
-        self.buffer.as_mut()[8..14].copy_from_slice(buf)
-    }
-    /// 发送端协议地址，仅支持IPv4
-    pub fn set_sender_protocol_addr(&mut self, buf: &[u8]) {
-        self.buffer.as_mut()[14..18].copy_from_slice(buf)
-    }
-    /// 接收端硬件地址，仅支持以太网
-    pub fn set_target_hardware_addr(&mut self, buf: &[u8]) {
-        self.buffer.as_mut()[18..24].copy_from_slice(buf)
-    }
-    /// 接收端协议地址，仅支持IPv4
-    pub fn set_target_protocol_addr(&mut self, buf: &[u8]) {
-        self.buffer.as_mut()[24..28].copy_from_slice(buf)
-    }
-}
-
-impl<B: AsRef<[u8]>> fmt::Debug for ArpPacket<B> {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("ArpPacket")
-            .field("hardware_type", &self.hardware_type())
-            .field("protocol_type", &self.protocol_type())
-            .field("hardware_size", &self.hardware_size())
-            .field("protocol_size", &self.protocol_size())
-            .field("op_code", &self.op_code())
-            .field("sender_hardware_addr", &self.sender_hardware_addr())
-            .field("sender_protocol_addr", &self.sender_protocol_addr())
-            .field("target_hardware_addr", &self.target_hardware_addr())
-            .field("target_protocol_addr", &self.target_protocol_addr())
-            .finish()
-    }
-}

vnt/tun/src/packet/ethernet/mod.rs

@@ -1,2 +0,0 @@
-pub mod packet;
-pub mod protocol;

vnt/tun/src/packet/ethernet/packet.rs

@@ -1,80 +0,0 @@
-use crate::packet::ethernet::protocol::Protocol;
-use std::{fmt, io};
-
-/// 以太网帧协议
-/// https://www.ietf.org/rfc/rfc894.txt
-/*
-  0                      6                      12    14 (字节)
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- |        目的地址         |         源地址         | 类型 |
-*/
-pub struct EthernetPacket<B> {
-    pub buffer: B,
-}
-
-impl<B: AsRef<[u8]>> EthernetPacket<B> {
-    pub fn unchecked(buffer: B) -> EthernetPacket<B> {
-        EthernetPacket { buffer }
-    }
-
-    pub fn new(buffer: B) -> io::Result<EthernetPacket<B>> {
-        let packet = EthernetPacket::unchecked(buffer);
-        //头部固定14位
-        if packet.buffer.as_ref().len() < 14 {
-            Err(io::Error::new(
-                io::ErrorKind::InvalidData,
-                format!("len={}", packet.buffer.as_ref().len()),
-            ))?;
-        }
-
-        Ok(packet)
-    }
-}
-
-impl<B: AsRef<[u8]>> EthernetPacket<B> {
-    /// 目的MAC地址
-    pub fn destination(&self) -> &[u8] {
-        &self.buffer.as_ref()[0..6]
-    }
-    /// 源MAC地址
-    pub fn source(&self) -> &[u8] {
-        &self.buffer.as_ref()[6..12]
-    }
-    /// 3层协议
-    pub fn protocol(&self) -> Protocol {
-        u16::from_be_bytes(self.buffer.as_ref()[12..14].try_into().unwrap()).into()
-    }
-    /// 载荷
-    pub fn payload(&self) -> &[u8] {
-        &self.buffer.as_ref()[14..]
-    }
-}
-
-impl<B: AsRef<[u8]> + AsMut<[u8]>> EthernetPacket<B> {
-    pub fn set_destination(&mut self, value: &[u8]) {
-        self.buffer.as_mut()[0..6].copy_from_slice(value);
-    }
-
-    pub fn set_source(&mut self, value: &[u8]) {
-        self.buffer.as_mut()[6..12].copy_from_slice(value);
-    }
-
-    pub fn set_protocol(&mut self, value: Protocol) {
-        let p: u16 = value.into();
-        self.buffer.as_mut()[12..14].copy_from_slice(&p.to_be_bytes())
-    }
-    pub fn payload_mut(&mut self) -> &mut [u8] {
-        &mut self.buffer.as_mut()[14..]
-    }
-}
-
-impl<B: AsRef<[u8]>> fmt::Debug for EthernetPacket<B> {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("EthernetPacket")
-            .field("destination", &self.destination())
-            .field("source", &self.source())
-            .field("protocol", &self.protocol())
-            .field("payload", &self.payload())
-            .finish()
-    }
-}

vnt/tun/src/packet/ethernet/protocol.rs

@@ -1,141 +0,0 @@
-/// 以太网帧协议
-#[derive(Eq, PartialEq, Copy, Clone, Debug)]
-pub enum Protocol {
-    ///
-    Ipv4,
-
-    ///
-    Arp,
-
-    ///
-    WakeOnLan,
-
-    ///
-    Trill,
-
-    ///
-    DecNet,
-
-    ///
-    Rarp,
-
-    ///
-    AppleTalk,
-
-    ///
-    Aarp,
-
-    ///
-    Ipx,
-
-    ///
-    Qnx,
-
-    ///
-    Ipv6,
-
-    ///
-    FlowControl,
-
-    ///
-    CobraNet,
-
-    ///
-    Mpls,
-
-    ///
-    MplsMulticast,
-
-    ///
-    PppoeDiscovery,
-
-    ///
-    PppoeSession,
-
-    ///
-    Vlan,
-
-    ///
-    PBridge,
-
-    ///
-    Lldp,
-
-    ///
-    Ptp,
-
-    ///
-    Cfm,
-
-    ///
-    QinQ,
-
-    ///
-    Unknown(u16),
-}
-
-impl From<u16> for Protocol {
-    fn from(value: u16) -> Protocol {
-        use self::Protocol::*;
-
-        match value {
-            0x0800 => Ipv4,
-            0x0806 => Arp,
-            0x0842 => WakeOnLan,
-            0x22f3 => Trill,
-            0x6003 => DecNet,
-            0x8035 => Rarp,
-            0x809b => AppleTalk,
-            0x80f3 => Aarp,
-            0x8137 => Ipx,
-            0x8204 => Qnx,
-            0x86dd => Ipv6,
-            0x8808 => FlowControl,
-            0x8819 => CobraNet,
-            0x8847 => Mpls,
-            0x8848 => MplsMulticast,
-            0x8863 => PppoeDiscovery,
-            0x8864 => PppoeSession,
-            0x8100 => Vlan,
-            0x88a8 => PBridge,
-            0x88cc => Lldp,
-            0x88f7 => Ptp,
-            0x8902 => Cfm,
-            0x9100 => QinQ,
-            n => Unknown(n),
-        }
-    }
-}
-
-impl Into<u16> for Protocol {
-    fn into(self) -> u16 {
-        use self::Protocol::*;
-
-        match self {
-            Ipv4 => 0x0800,
-            Arp => 0x0806,
-            WakeOnLan => 0x0842,
-            Trill => 0x22f3,
-            DecNet => 0x6003,
-            Rarp => 0x8035,
-            AppleTalk => 0x809b,
-            Aarp => 0x80f3,
-            Ipx => 0x8137,
-            Qnx => 0x8204,
-            Ipv6 => 0x86dd,
-            FlowControl => 0x8808,
-            CobraNet => 0x8819,
-            Mpls => 0x8847,
-            MplsMulticast => 0x8848,
-            PppoeDiscovery => 0x8863,
-            PppoeSession => 0x8864,
-            Vlan => 0x8100,
-            PBridge => 0x88a8,
-            Lldp => 0x88cc,
-            Ptp => 0x88f7,
-            Cfm => 0x8902,
-            QinQ => 0x9100,
-            Unknown(n) => n,
-        }
-    }
-}

vnt/tun/src/packet/mod.rs

@@ -1,67 +0,0 @@
-use crate::packet::ethernet::protocol::Protocol;
-use std::io;
-
-pub mod arp;
-pub mod ethernet;
-
-const MAC: [u8; 6] = [0xf, 0xf, 0xf, 0xf, 0xe, 0x9];
-pub fn read_tap<W, R>(buf: &mut [u8], read_fn: R, write_fn: W) -> io::Result<usize>
-where
-    W: Fn(&[u8]) -> io::Result<usize>,
-    R: Fn(&mut [u8]) -> io::Result<usize>,
-{
-    let mut eth_buf = [0; 65536];
-    loop {
-        let len = read_fn(&mut eth_buf)?;
-        if len == 0 {
-            return Ok(len);
-        }
-        //处理arp包
-        let mut ether = ethernet::packet::EthernetPacket::new(&mut eth_buf[..len])?;
-        match ether.protocol() {
-            Protocol::Ipv4 => {
-                let len = ether.payload().len();
-                if len > buf.len() {
-                    return Err(io::Error::new(io::ErrorKind::Other, "short"));
-                }
-                buf[..len].copy_from_slice(ether.payload());
-                return Ok(len);
-            }
-            Protocol::Arp => {
-                let mut arp_packet = arp::packet::ArpPacket::unchecked(ether.payload_mut());
-                let sender_h: [u8; 6] = arp_packet.sender_hardware_addr().try_into().unwrap();
-                let sender_p: [u8; 4] = arp_packet.sender_protocol_addr().try_into().unwrap();
-                let target_p: [u8; 4] = arp_packet.target_protocol_addr().try_into().unwrap();
-                if target_p == [0, 0, 0, 0] || sender_p == [0, 0, 0, 0] || target_p == sender_p {
-                    continue;
-                }
-                if arp_packet.op_code() == 1 {
-                    //回复一个默认的MAC
-                    arp_packet.set_op_code(2);
-                    arp_packet.set_target_hardware_addr(&sender_h);
-                    arp_packet.set_target_protocol_addr(&sender_p);
-                    arp_packet.set_sender_protocol_addr(&target_p);
-                    arp_packet.set_sender_hardware_addr(&MAC);
-                    ether.set_destination(&sender_h);
-                    ether.set_source(&MAC);
-                    write_fn(ether.buffer)?;
-                }
-            }
-            _ => {
-                //忽略这些数据
-            }
-        }
-    }
-}
-pub fn write_tap<W>(buf: &[u8], write_fn: W, mac: &[u8; 6]) -> io::Result<usize>
-where
-    W: Fn(&[u8]) -> io::Result<usize>,
-{
-    // 封装二层数据
-    let mut ether = ethernet::packet::EthernetPacket::unchecked(vec![0; 14 + buf.len()]);
-    ether.set_source(&MAC);
-    ether.set_destination(mac);
-    ether.set_protocol(Protocol::Ipv4);
-    ether.payload_mut().copy_from_slice(buf);
-    write_fn(&ether.buffer)
-}

vnt/tun/src/unix/fd.rs

@@ -1,68 +0,0 @@
-use libc::{fcntl, F_GETFL, F_SETFL, O_NONBLOCK};
-use std::io;
-use std::os::fd::{AsRawFd, IntoRawFd, RawFd};
-
-pub struct Fd(pub RawFd);
-
-impl Fd {
-    pub fn new(value: RawFd) -> io::Result<Self> {
-        if value < 0 {
-            return Err(io::Error::from(io::ErrorKind::InvalidInput));
-        }
-        Ok(Fd(value))
-    }
-    pub fn set_nonblock(&self) -> io::Result<()> {
-        match unsafe { fcntl(self.0, F_SETFL, fcntl(self.0, F_GETFL) | O_NONBLOCK) } {
-            0 => Ok(()),
-            _ => Err(io::Error::last_os_error()),
-        }
-    }
-}
-
-impl Fd {
-    pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
-        unsafe {
-            let amount = libc::read(self.0, buf.as_mut_ptr() as *mut _, buf.len());
-
-            if amount < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(amount as usize)
-        }
-    }
-    pub fn write(&self, buf: &[u8]) -> io::Result<usize> {
-        unsafe {
-            let amount = libc::write(self.0, buf.as_ptr() as *const _, buf.len());
-
-            if amount < 0 {
-                return Err(io::Error::last_os_error());
-            }
-
-            Ok(amount as usize)
-        }
-    }
-}
-
-impl AsRawFd for Fd {
-    fn as_raw_fd(&self) -> RawFd {
-        self.0
-    }
-}
-
-impl IntoRawFd for Fd {
-    fn into_raw_fd(mut self) -> RawFd {
-        let fd = self.0;
-        self.0 = -1;
-        fd
-    }
-}
-
-#[cfg(not(target_os = "android"))]
-impl Drop for Fd {
-    fn drop(&mut self) {
-        unsafe {
-            libc::close(self.0);
-        }
-    }
-}

vnt/tun/src/unix/mod.rs

@@ -1,28 +0,0 @@
-mod fd;
-
-pub use fd::Fd;
-#[cfg(any(target_os = "macos", target_os = "linux"))]
-use std::process::Output;
-#[cfg(any(target_os = "macos", target_os = "linux"))]
-mod sockaddr;
-#[cfg(any(target_os = "macos", target_os = "linux"))]
-pub use sockaddr::SockAddr;
-
-#[cfg(any(target_os = "macos", target_os = "linux"))]
-pub fn exe_cmd(cmd: &str) -> std::io::Result<Output> {
-    use std::io;
-    use std::process::Command;
-    println!("exe cmd: {}", cmd);
-    let out = Command::new("sh")
-        .arg("-c")
-        .arg(cmd)
-        .output()
-        .expect("sh exec error!");
-    if !out.status.success() {
-        return Err(io::Error::new(
-            io::ErrorKind::Other,
-            format!("cmd={},out={:?}", cmd, out),
-        ));
-    }
-    Ok(out)
-}

vnt/tun/src/unix/sockaddr.rs

@@ -1,67 +0,0 @@
-use libc::{in_addr, sockaddr, sockaddr_in};
-use std::{io, mem, net::Ipv4Addr, ptr};
-
-use io::Result;
-
-/// A wrapper for `sockaddr_in`.
-#[derive(Copy, Clone)]
-pub struct SockAddr(sockaddr_in);
-
-impl SockAddr {
-    /// Create a new `SockAddr` from a generic `sockaddr`.
-    pub fn new(value: &sockaddr) -> Result<Self> {
-        if value.sa_family != libc::AF_INET as libc::sa_family_t {
-            return Err(io::Error::new(io::ErrorKind::Other, "invalid address"));
-        }
-
-        unsafe { Self::unchecked(value) }
-    }
-
-    /// # Safety
-    ///  Create a new `SockAddr` and not check the source.
-    pub unsafe fn unchecked(value: &sockaddr) -> Result<Self> {
-        Ok(SockAddr(ptr::read(value as *const _ as *const _)))
-    }
-
-    /// # Safety
-    /// Get a generic pointer to the `SockAddr`.
-    pub unsafe fn as_ptr(&self) -> *const sockaddr {
-        &self.0 as *const _ as *const sockaddr
-    }
-}
-
-impl From<Ipv4Addr> for SockAddr {
-    fn from(ip: Ipv4Addr) -> SockAddr {
-        let octets = ip.octets();
-        let mut addr = unsafe { mem::zeroed::<sockaddr_in>() };
-
-        addr.sin_family = libc::AF_INET as libc::sa_family_t;
-        addr.sin_port = 0;
-        addr.sin_addr = in_addr {
-            s_addr: u32::from_ne_bytes(octets),
-        };
-
-        SockAddr(addr)
-    }
-}
-
-impl From<SockAddr> for Ipv4Addr {
-    fn from(addr: SockAddr) -> Ipv4Addr {
-        let ip = addr.0.sin_addr.s_addr;
-        let [a, b, c, d] = ip.to_ne_bytes();
-
-        Ipv4Addr::new(a, b, c, d)
-    }
-}
-
-impl From<SockAddr> for sockaddr {
-    fn from(addr: SockAddr) -> sockaddr {
-        unsafe { mem::transmute(addr.0) }
-    }
-}
-
-impl From<SockAddr> for sockaddr_in {
-    fn from(addr: SockAddr) -> sockaddr_in {
-        addr.0
-    }
-}

vnt/tun/src/windows/device.rs

@@ -1,91 +0,0 @@
-use crate::device::IFace;
-use crate::windows::{tap, tun};
-use std::io;
-use std::net::Ipv4Addr;
-
-pub enum Device {
-    Tap(tap::Device),
-    Tun(tun::Device),
-}
-
-impl Device {
-    pub fn new(name: String, tap: bool) -> io::Result<Self> {
-        if tap {
-            Ok(Device::Tap(tap::Device::new(name)?))
-        } else {
-            Ok(Device::Tun(tun::Device::new(name)?))
-        }
-    }
-}
-
-impl IFace for Device {
-    fn version(&self) -> io::Result<String> {
-        match self {
-            Device::Tap(dev) => dev.version(),
-            Device::Tun(dev) => dev.version(),
-        }
-    }
-
-    fn name(&self) -> io::Result<String> {
-        match self {
-            Device::Tap(dev) => dev.name(),
-            Device::Tun(dev) => dev.name(),
-        }
-    }
-
-    fn shutdown(&self) -> io::Result<()> {
-        match self {
-            Device::Tap(dev) => dev.shutdown(),
-            Device::Tun(dev) => dev.shutdown(),
-        }
-    }
-
-    fn set_ip(&self, address: Ipv4Addr, mask: Ipv4Addr) -> io::Result<()> {
-        match self {
-            Device::Tap(dev) => dev.set_ip(address, mask),
-            Device::Tun(dev) => dev.set_ip(address, mask),
-        }
-    }
-
-    fn mtu(&self) -> io::Result<u32> {
-        match self {
-            Device::Tap(dev) => dev.mtu(),
-            Device::Tun(dev) => dev.mtu(),
-        }
-    }
-
-    fn set_mtu(&self, value: u32) -> io::Result<()> {
-        match self {
-            Device::Tap(dev) => dev.set_mtu(value),
-            Device::Tun(dev) => dev.set_mtu(value),
-        }
-    }
-
-    fn add_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, metric: u16) -> io::Result<()> {
-        match self {
-            Device::Tap(dev) => dev.add_route(dest, netmask, metric),
-            Device::Tun(dev) => dev.add_route(dest, netmask, metric),
-        }
-    }
-
-    fn delete_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
-        match self {
-            Device::Tap(dev) => dev.delete_route(dest, netmask),
-            Device::Tun(dev) => dev.delete_route(dest, netmask),
-        }
-    }
-
-    fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
-        match self {
-            Device::Tap(dev) => dev.read(buf),
-            Device::Tun(dev) => dev.read(buf),
-        }
-    }
-
-    fn write(&self, buf: &[u8]) -> io::Result<usize> {
-        match self {
-            Device::Tap(dev) => dev.write(buf),
-            Device::Tun(dev) => dev.write(buf),
-        }
-    }
-}

vnt/tun/src/windows/ffi.rs

@@ -1,502 +0,0 @@
-// Many things will be used in the future
-#![allow(unused)]
-
-//! Module holding safe wrappers over winapi functions
-
-use winapi::shared::basetsd::*;
-use winapi::shared::guiddef::GUID;
-use winapi::shared::ifdef::*;
-use winapi::shared::minwindef::*;
-use winapi::shared::netioapi::*;
-use winapi::shared::winerror::*;
-
-use winapi::um::combaseapi::*;
-use winapi::um::errhandlingapi::*;
-use winapi::um::fileapi::*;
-use winapi::um::handleapi::*;
-use winapi::um::ioapiset::*;
-use winapi::um::setupapi::*;
-use winapi::um::synchapi::*;
-use winapi::um::winioctl::*;
-use winapi::um::winnt::*;
-use winapi::um::winreg::*;
-
-use std::error::Error;
-use std::{io, mem, ptr};
-use winapi::um::minwinbase::OVERLAPPED_u;
-
-#[allow(non_camel_case_types)]
-#[allow(non_snake_case)]
-#[repr(C)]
-#[derive(Clone, Copy)]
-/// Custom type to handle variable size SP_DRVINFO_DETAIL_DATA_W
-pub struct SP_DRVINFO_DETAIL_DATA_W2 {
-    pub cbSize: DWORD,
-    pub InfDate: FILETIME,
-    pub CompatIDsOffset: DWORD,
-    pub CompatIDsLength: DWORD,
-    pub Reserved: ULONG_PTR,
-    pub SectionName: [WCHAR; 256],
-    pub InfFileName: [WCHAR; 260],
-    pub DrvDescription: [WCHAR; 256],
-    pub HardwareID: [WCHAR; 512],
-}
-
-pub fn string_from_guid(guid: &GUID) -> io::Result<Vec<WCHAR>> {
-    // GUID_STRING_CHARACTERS + 1
-    let mut string = vec![0; 39];
-
-    match unsafe { StringFromGUID2(guid, string.as_mut_ptr(), string.len() as _) } {
-        0 => Err(io::Error::new(io::ErrorKind::Other, "Insufficent buffer")),
-        _ => Ok(string),
-    }
-}
-
-pub fn alias_to_luid(alias: &[WCHAR]) -> io::Result<NET_LUID> {
-    let mut luid = unsafe { mem::zeroed() };
-
-    match unsafe { ConvertInterfaceAliasToLuid(alias.as_ptr(), &mut luid) } {
-        0 => Ok(luid),
-        err => Err(io::Error::from_raw_os_error(err as _)),
-    }
-}
-
-pub fn luid_to_index(luid: &NET_LUID) -> io::Result<NET_IFINDEX> {
-    let mut index = 0;
-
-    match unsafe { ConvertInterfaceLuidToIndex(luid, &mut index) } {
-        0 => Ok(index),
-        err => Err(io::Error::from_raw_os_error(err as _)),
-    }
-}
-
-pub fn luid_to_guid(luid: &NET_LUID) -> io::Result<GUID> {
-    let mut guid = unsafe { mem::zeroed() };
-
-    match unsafe { ConvertInterfaceLuidToGuid(luid, &mut guid) } {
-        0 => Ok(guid),
-        err => Err(io::Error::from_raw_os_error(err as _)),
-    }
-}
-
-pub fn luid_to_alias(luid: &NET_LUID) -> io::Result<Vec<WCHAR>> {
-    // IF_MAX_STRING_SIZE + 1
-    let mut alias = vec![0; 257];
-
-    match unsafe { ConvertInterfaceLuidToAlias(luid, alias.as_mut_ptr(), alias.len()) } {
-        0 => Ok(alias),
-        err => Err(io::Error::from_raw_os_error(err as _)),
-    }
-}
-
-pub fn close_handle(handle: HANDLE) -> io::Result<()> {
-    match unsafe { CloseHandle(handle) } {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(()),
-    }
-}
-
-pub fn create_file(
-    file_name: &[WCHAR],
-    desired_access: DWORD,
-    share_mode: DWORD,
-    creation_disposition: DWORD,
-    flags_and_attributes: DWORD,
-) -> io::Result<HANDLE> {
-    match unsafe {
-        CreateFileW(
-            file_name.as_ptr(),
-            desired_access,
-            share_mode,
-            ptr::null_mut(),
-            creation_disposition,
-            flags_and_attributes,
-            ptr::null_mut(),
-        )
-    } {
-        INVALID_HANDLE_VALUE => Err(io::Error::last_os_error()),
-        handle => Ok(handle),
-    }
-}
-
-pub fn read_file(handle: HANDLE, buffer: &mut [u8]) -> io::Result<DWORD> {
-    let mut ret = 0;
-    //https://www.cnblogs.com/linyilong3/archive/2012/05/03/2480451.html
-    unsafe {
-        let mut ip_overlapped = winapi::um::minwinbase::OVERLAPPED {
-            Internal: 0,
-            InternalHigh: 0,
-            u: Default::default(),
-            hEvent: ptr::null_mut(),
-        };
-        if 0 == ReadFile(
-            handle,
-            buffer.as_mut_ptr() as _,
-            buffer.len() as _,
-            &mut ret,
-            &mut ip_overlapped,
-        ) {
-            let e = io::Error::last_os_error();
-            if e.raw_os_error().unwrap_or(0) == ERROR_IO_PENDING as _ {
-                if 0 == GetOverlappedResult(handle, &mut ip_overlapped, &mut ret, 1) {
-                    return Err(e);
-                }
-            } else {
-                return Err(e);
-            }
-        }
-        Ok(ret)
-    }
-}
-
-pub fn write_file(handle: HANDLE, buffer: &[u8]) -> io::Result<DWORD> {
-    let mut ret = 0;
-    let mut ip_overlapped = winapi::um::minwinbase::OVERLAPPED {
-        Internal: 0,
-        InternalHigh: 0,
-        u: Default::default(),
-        hEvent: ptr::null_mut(),
-    };
-    unsafe {
-        if 0 == WriteFile(
-            handle,
-            buffer.as_ptr() as _,
-            buffer.len() as _,
-            &mut ret,
-            &mut ip_overlapped,
-        ) {
-            let e = io::Error::last_os_error();
-            if e.raw_os_error().unwrap_or(0) == ERROR_IO_PENDING as _ {
-                if 0 == GetOverlappedResult(handle, &mut ip_overlapped, &mut ret, 1) {
-                    return Err(e);
-                }
-            } else {
-                return Err(e);
-            }
-        }
-        Ok(ret)
-    }
-}
-
-pub fn create_device_info_list(guid: &GUID) -> io::Result<HDEVINFO> {
-    match unsafe { SetupDiCreateDeviceInfoList(guid, ptr::null_mut()) } {
-        INVALID_HANDLE_VALUE => Err(io::Error::last_os_error()),
-        devinfo => Ok(devinfo),
-    }
-}
-
-pub fn get_class_devs(guid: &GUID, flags: DWORD) -> io::Result<HDEVINFO> {
-    match unsafe { SetupDiGetClassDevsW(guid, ptr::null(), ptr::null_mut(), flags) } {
-        INVALID_HANDLE_VALUE => Err(io::Error::last_os_error()),
-        devinfo => Ok(devinfo),
-    }
-}
-
-pub fn destroy_device_info_list(devinfo: HDEVINFO) -> io::Result<()> {
-    match unsafe { SetupDiDestroyDeviceInfoList(devinfo) } {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(()),
-    }
-}
-
-pub fn class_name_from_guid(guid: &GUID) -> io::Result<Vec<WCHAR>> {
-    let mut class_name = vec![0; 32];
-
-    match unsafe {
-        SetupDiClassNameFromGuidW(
-            guid,
-            class_name.as_mut_ptr(),
-            class_name.len() as _,
-            ptr::null_mut(),
-        )
-    } {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(class_name),
-    }
-}
-
-pub fn create_device_info(
-    devinfo: HDEVINFO,
-    device_name: &[WCHAR],
-    guid: &GUID,
-    device_description: &[WCHAR],
-    creation_flags: DWORD,
-) -> io::Result<SP_DEVINFO_DATA> {
-    let mut devinfo_data: SP_DEVINFO_DATA = unsafe { mem::zeroed() };
-    devinfo_data.cbSize = mem::size_of_val(&devinfo_data) as _;
-
-    match unsafe {
-        SetupDiCreateDeviceInfoW(
-            devinfo,
-            device_name.as_ptr(),
-            guid,
-            device_description.as_ptr(),
-            ptr::null_mut(),
-            creation_flags,
-            &mut devinfo_data,
-        )
-    } {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(devinfo_data),
-    }
-}
-
-pub fn set_selected_device(devinfo: HDEVINFO, devinfo_data: &SP_DEVINFO_DATA) -> io::Result<()> {
-    match unsafe { SetupDiSetSelectedDevice(devinfo, devinfo_data as *const _ as _) } {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(()),
-    }
-}
-
-pub fn set_device_registry_property(
-    devinfo: HDEVINFO,
-    devinfo_data: &SP_DEVINFO_DATA,
-    property: DWORD,
-    value: &[WCHAR],
-) -> io::Result<()> {
-    match unsafe {
-        SetupDiSetDeviceRegistryPropertyW(
-            devinfo,
-            devinfo_data as *const _ as _,
-            property,
-            value.as_ptr() as _,
-            (value.len() * 2) as _,
-        )
-    } {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(()),
-    }
-}
-
-pub fn get_device_registry_property(
-    devinfo: HDEVINFO,
-    devinfo_data: &SP_DEVINFO_DATA,
-    property: DWORD,
-) -> io::Result<Vec<WCHAR>> {
-    let mut value = vec![0; 32];
-
-    match unsafe {
-        SetupDiGetDeviceRegistryPropertyW(
-            devinfo,
-            devinfo_data as *const _ as _,
-            property,
-            ptr::null_mut(),
-            value.as_mut_ptr() as _,
-            (value.len() * 2) as _,
-            ptr::null_mut(),
-        )
-    } {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(value),
-    }
-}
-
-pub fn build_driver_info_list(
-    devinfo: HDEVINFO,
-    devinfo_data: &SP_DEVINFO_DATA,
-    driver_type: DWORD,
-) -> io::Result<()> {
-    match unsafe { SetupDiBuildDriverInfoList(devinfo, devinfo_data as *const _ as _, driver_type) }
-    {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(()),
-    }
-}
-
-pub fn destroy_driver_info_list(
-    devinfo: HDEVINFO,
-    devinfo_data: &SP_DEVINFO_DATA,
-    driver_type: DWORD,
-) -> io::Result<()> {
-    match unsafe {
-        SetupDiDestroyDriverInfoList(devinfo, devinfo_data as *const _ as _, driver_type)
-    } {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(()),
-    }
-}
-
-pub fn get_driver_info_detail(
-    devinfo: HDEVINFO,
-    devinfo_data: &SP_DEVINFO_DATA,
-    drvinfo_data: &SP_DRVINFO_DATA_W,
-) -> io::Result<SP_DRVINFO_DETAIL_DATA_W2> {
-    let mut drvinfo_detail: SP_DRVINFO_DETAIL_DATA_W2 = unsafe { mem::zeroed() };
-    drvinfo_detail.cbSize = mem::size_of::<SP_DRVINFO_DETAIL_DATA_W>() as _;
-
-    match unsafe {
-        SetupDiGetDriverInfoDetailW(
-            devinfo,
-            devinfo_data as *const _ as _,
-            drvinfo_data as *const _ as _,
-            &mut drvinfo_detail as *mut _ as _,
-            mem::size_of_val(&drvinfo_detail) as _,
-            ptr::null_mut(),
-        )
-    } {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(drvinfo_detail),
-    }
-}
-
-pub fn set_selected_driver(
-    devinfo: HDEVINFO,
-    devinfo_data: &SP_DEVINFO_DATA,
-    drvinfo_data: &SP_DRVINFO_DATA_W,
-) -> io::Result<()> {
-    match unsafe {
-        SetupDiSetSelectedDriverW(
-            devinfo,
-            devinfo_data as *const _ as _,
-            drvinfo_data as *const _ as _,
-        )
-    } {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(()),
-    }
-}
-
-pub fn set_class_install_params(
-    devinfo: HDEVINFO,
-    devinfo_data: &SP_DEVINFO_DATA,
-    params: &impl Copy,
-) -> io::Result<()> {
-    match unsafe {
-        SetupDiSetClassInstallParamsW(
-            devinfo,
-            devinfo_data as *const _ as _,
-            params as *const _ as _,
-            mem::size_of_val(params) as _,
-        )
-    } {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(()),
-    }
-}
-
-pub fn call_class_installer(
-    devinfo: HDEVINFO,
-    devinfo_data: &SP_DEVINFO_DATA,
-    install_function: DI_FUNCTION,
-) -> io::Result<()> {
-    match unsafe {
-        SetupDiCallClassInstaller(install_function, devinfo, devinfo_data as *const _ as _)
-    } {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(()),
-    }
-}
-
-pub fn open_dev_reg_key(
-    devinfo: HDEVINFO,
-    devinfo_data: &SP_DEVINFO_DATA,
-    scope: DWORD,
-    hw_profile: DWORD,
-    key_type: DWORD,
-    sam_desired: REGSAM,
-) -> io::Result<HKEY> {
-    const INVALID_KEY_VALUE: HKEY = INVALID_HANDLE_VALUE as _;
-
-    match unsafe {
-        SetupDiOpenDevRegKey(
-            devinfo,
-            devinfo_data as *const _ as _,
-            scope,
-            hw_profile,
-            key_type,
-            sam_desired,
-        )
-    } {
-        INVALID_KEY_VALUE => Err(io::Error::last_os_error()),
-        key => Ok(key),
-    }
-}
-
-pub fn notify_change_key_value(
-    key: HKEY,
-    watch_subtree: BOOL,
-    notify_filter: DWORD,
-    milliseconds: DWORD,
-) -> io::Result<()> {
-    let event = match unsafe { CreateEventW(ptr::null_mut(), FALSE, FALSE, ptr::null()) } {
-        INVALID_HANDLE_VALUE => Err(io::Error::last_os_error()),
-        event => Ok(event),
-    }?;
-
-    match unsafe { RegNotifyChangeKeyValue(key, watch_subtree, notify_filter, event, TRUE) } {
-        0 => Ok(()),
-        err => Err(io::Error::from_raw_os_error(err)),
-    }?;
-
-    match unsafe { WaitForSingleObject(event, milliseconds) } {
-        0 => Ok(()),
-        0x102 => Err(io::Error::new(
-            io::ErrorKind::TimedOut,
-            "Registry timed out",
-        )),
-        _ => Err(io::Error::last_os_error()),
-    }
-}
-
-pub fn enum_driver_info(
-    devinfo: HDEVINFO,
-    devinfo_data: &SP_DEVINFO_DATA,
-    driver_type: DWORD,
-    member_index: DWORD,
-) -> Option<io::Result<SP_DRVINFO_DATA_W>> {
-    let mut drvinfo_data: SP_DRVINFO_DATA_W = unsafe { mem::zeroed() };
-    drvinfo_data.cbSize = mem::size_of_val(&drvinfo_data) as _;
-
-    match unsafe {
-        SetupDiEnumDriverInfoW(
-            devinfo,
-            devinfo_data as *const _ as _,
-            driver_type,
-            member_index,
-            &mut drvinfo_data,
-        )
-    } {
-        0 if unsafe { GetLastError() == ERROR_NO_MORE_ITEMS } => None,
-        0 => Some(Err(io::Error::last_os_error())),
-        _ => Some(Ok(drvinfo_data)),
-    }
-}
-
-pub fn enum_device_info(
-    devinfo: HDEVINFO,
-    member_index: DWORD,
-) -> Option<io::Result<SP_DEVINFO_DATA>> {
-    let mut devinfo_data: SP_DEVINFO_DATA = unsafe { mem::zeroed() };
-    devinfo_data.cbSize = mem::size_of_val(&devinfo_data) as _;
-
-    match unsafe { SetupDiEnumDeviceInfo(devinfo, member_index, &mut devinfo_data) } {
-        0 if unsafe { GetLastError() == ERROR_NO_MORE_ITEMS } => None,
-        0 => Some(Err(io::Error::last_os_error())),
-        _ => Some(Ok(devinfo_data)),
-    }
-}
-
-pub fn device_io_control(
-    handle: HANDLE,
-    io_control_code: DWORD,
-    in_buffer: &impl Copy,
-    out_buffer: &mut impl Copy,
-) -> io::Result<()> {
-    let mut junk = 0;
-
-    match unsafe {
-        DeviceIoControl(
-            handle,
-            io_control_code,
-            in_buffer as *const _ as _,
-            mem::size_of_val(in_buffer) as _,
-            out_buffer as *mut _ as _,
-            mem::size_of_val(out_buffer) as _,
-            &mut junk,
-            ptr::null_mut(),
-        )
-    } {
-        0 => Err(io::Error::last_os_error()),
-        _ => Ok(()),
-    }
-}

vnt/tun/src/windows/mod.rs

@@ -1,43 +0,0 @@
-use std::io;
-use std::os::windows::process::CommandExt;
-use winapi::shared::minwindef::DWORD;
-use winapi::um::winbase::CREATE_NO_WINDOW;
-
-mod device;
-mod ffi;
-mod netsh;
-mod route;
-mod tap;
-mod tun;
-pub use device::Device;
-
-/// Encode a string as a utf16 buffer
-pub fn encode_utf16(string: &str) -> Vec<u16> {
-    use std::iter::once;
-    string.encode_utf16().chain(once(0)).collect()
-}
-
-pub fn decode_utf16(string: &[u16]) -> String {
-    let end = string.iter().position(|b| *b == 0).unwrap_or(string.len());
-    String::from_utf16_lossy(&string[..end])
-}
-
-pub const fn ctl_code(device_type: DWORD, function: DWORD, method: DWORD, access: DWORD) -> DWORD {
-    (device_type << 16) | (access << 14) | (function << 2) | method
-}
-
-pub fn exe_cmd(cmd: &str) -> io::Result<()> {
-    println!("exe cmd: {}", cmd);
-    let out = std::process::Command::new("cmd")
-        .creation_flags(CREATE_NO_WINDOW)
-        .arg("/C")
-        .arg(&cmd)
-        .output()?;
-    if !out.status.success() {
-        return Err(io::Error::new(
-            io::ErrorKind::Other,
-            format!("cmd={},out={:?}", cmd, String::from_utf8(out.stderr)),
-        ));
-    }
-    Ok(())
-}

vnt/tun/src/windows/netsh.rs

@@ -1,48 +0,0 @@
-#![allow(dead_code)]
-use crate::windows::exe_cmd;
-use std::io;
-use std::net::Ipv4Addr;
-
-/// 设置网卡名称
-pub fn set_interface_name(old_name: &str, new_name: &str) -> io::Result<()> {
-    let cmd = format!(
-        " netsh interface set interface name={:?} newname={:?}",
-        old_name, new_name
-    );
-    exe_cmd(&cmd)
-}
-/// 删除缓存
-pub fn delete_cache() -> io::Result<()> {
-    //清除缓存
-    let cmd = "netsh interface ip delete destinationcache";
-    exe_cmd(cmd)
-}
-
-/// 设置网卡ip
-pub fn set_interface_ip(index: u32, address: &Ipv4Addr, netmask: &Ipv4Addr) -> io::Result<()> {
-    let cmd = format!(
-        "netsh interface ip set address {} static {:?} {:?} ",
-        index, address, netmask,
-    );
-    exe_cmd(&cmd)
-}
-
-pub fn set_interface_mtu(index: u32, mtu: u32) -> io::Result<()> {
-    let cmd = format!(
-        "netsh interface ipv4 set subinterface {}  mtu={} store=persistent",
-        index, mtu
-    );
-    exe_cmd(&cmd)
-}
-pub fn set_interface_metric(index: u32, metric: u16) -> io::Result<()> {
-    let cmd = format!(
-        "netsh interface ip set interface {} metric={}",
-        index, metric
-    );
-    exe_cmd(&cmd)
-}
-/// 禁用ipv6
-pub fn disabled_ipv6(index: u32) -> io::Result<()> {
-    let cmd = format!("netsh interface ipv6 set interface {} disabled", index);
-    exe_cmd(&cmd)
-}

vnt/tun/src/windows/route.rs

@@ -1,33 +0,0 @@
-use std::io;
-use std::net::Ipv4Addr;
-
-use crate::windows::exe_cmd;
-
-/// 添加路由
-pub fn add_route(
-    index: u32,
-    dest: Ipv4Addr,
-    netmask: Ipv4Addr,
-    gateway: Ipv4Addr,
-    metric: u16,
-) -> io::Result<()> {
-    let cmd = format!(
-        "route add {:?} mask {:?} {:?} metric {} if {}",
-        dest, netmask, gateway, metric, index
-    );
-    exe_cmd(&cmd)
-}
-
-/// 删除路由
-pub fn delete_route(
-    index: u32,
-    dest: Ipv4Addr,
-    netmask: Ipv4Addr,
-    gateway: Ipv4Addr,
-) -> io::Result<()> {
-    let cmd = format!(
-        "route delete  {:?} mask {:?} {:?} if {}",
-        dest, netmask, gateway, index
-    );
-    exe_cmd(&cmd)
-}

vnt/tun/src/windows/tap/mod.rs

@@ -1,185 +0,0 @@
-#![allow(dead_code)]
-use std::io;
-use std::net::Ipv4Addr;
-use winapi::shared::ifdef::NET_LUID;
-use winapi::shared::minwindef::DWORD;
-use winapi::um::fileapi::OPEN_EXISTING;
-use winapi::um::winbase::FILE_FLAG_OVERLAPPED;
-use winapi::um::winioctl::{FILE_ANY_ACCESS, FILE_DEVICE_UNKNOWN, METHOD_BUFFERED};
-use winapi::um::winnt::{
-    FILE_ATTRIBUTE_SYSTEM, FILE_SHARE_READ, FILE_SHARE_WRITE, GENERIC_READ, GENERIC_WRITE, HANDLE,
-};
-
-use crate::device::IFace;
-use crate::packet;
-use crate::windows::{ctl_code, decode_utf16, encode_utf16, ffi, netsh, route};
-
-/* Present in 8.1 */
-const TAP_WIN_IOCTL_GET_MAC: DWORD =
-    ctl_code(FILE_DEVICE_UNKNOWN, 1, METHOD_BUFFERED, FILE_ANY_ACCESS);
-const TAP_WIN_IOCTL_GET_VERSION: DWORD =
-    ctl_code(FILE_DEVICE_UNKNOWN, 2, METHOD_BUFFERED, FILE_ANY_ACCESS);
-const TAP_WIN_IOCTL_GET_MTU: DWORD =
-    ctl_code(FILE_DEVICE_UNKNOWN, 3, METHOD_BUFFERED, FILE_ANY_ACCESS);
-const TAP_WIN_IOCTL_GET_INFO: DWORD =
-    ctl_code(FILE_DEVICE_UNKNOWN, 4, METHOD_BUFFERED, FILE_ANY_ACCESS);
-const TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT: DWORD =
-    ctl_code(FILE_DEVICE_UNKNOWN, 5, METHOD_BUFFERED, FILE_ANY_ACCESS);
-const TAP_WIN_IOCTL_SET_MEDIA_STATUS: DWORD =
-    ctl_code(FILE_DEVICE_UNKNOWN, 6, METHOD_BUFFERED, FILE_ANY_ACCESS);
-const TAP_WIN_IOCTL_CONFIG_DHCP_MASQ: DWORD =
-    ctl_code(FILE_DEVICE_UNKNOWN, 7, METHOD_BUFFERED, FILE_ANY_ACCESS);
-const TAP_WIN_IOCTL_GET_LOG_LINE: DWORD =
-    ctl_code(FILE_DEVICE_UNKNOWN, 8, METHOD_BUFFERED, FILE_ANY_ACCESS);
-const TAP_WIN_IOCTL_CONFIG_DHCP_SET_OPT: DWORD =
-    ctl_code(FILE_DEVICE_UNKNOWN, 9, METHOD_BUFFERED, FILE_ANY_ACCESS);
-/* Added in 8.2 */
-/* obsoletes TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT */
-const TAP_WIN_IOCTL_CONFIG_TUN: DWORD =
-    ctl_code(FILE_DEVICE_UNKNOWN, 10, METHOD_BUFFERED, FILE_ANY_ACCESS);
-
-pub struct Device {
-    handle: HANDLE,
-    index: u32,
-    luid: NET_LUID,
-    mac: [u8; 6],
-}
-
-unsafe impl Send for Device {}
-
-unsafe impl Sync for Device {}
-
-impl Device {
-    /// 打开设备，设置为TUN模式，激活网卡
-    pub fn new(name: String) -> io::Result<Self> {
-        let luid = ffi::alias_to_luid(&encode_utf16(&name)).map_err(|e| {
-            io::Error::new(e.kind(), format!("alias_to_luid name={},err={:?}", name, e))
-        })?;
-        let guid = ffi::luid_to_guid(&luid)
-            .and_then(|guid| ffi::string_from_guid(&guid))
-            .map_err(|e| {
-                io::Error::new(e.kind(), format!("luid_to_guid name={},err={:?}", name, e))
-            })?;
-        let path = format!(r"\\.\Global\{}.tap", decode_utf16(&guid));
-        let handle = ffi::create_file(
-            &encode_utf16(&path),
-            GENERIC_READ | GENERIC_WRITE,
-            FILE_SHARE_READ | FILE_SHARE_WRITE,
-            OPEN_EXISTING,
-            FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED,
-        )
-        .map_err(|e| io::Error::new(e.kind(), format!("tap name={},err={:?}", name, e)))?;
-
-        // ep保存tun网卡的IP地址和掩码
-        // let mut ep = [0;3];
-        // ep[0] = Ipv4Addr::new(10,26,0,11).into();
-        // ep[2] = Ipv4Addr::new(255,255,255,0).into();;
-        // ep[1] = ep[0] & ep[2];
-        // //tun模式收不到ipv4包，原因未知 https://github.com/OpenVPN/tap-windows6/issues/111
-        // ffi::device_io_control(handle, TAP_WIN_IOCTL_CONFIG_TUN, &ep, &mut ()).map_err(
-        //     |e| {
-        //         io::Error::new(
-        //             e.kind(),
-        //             format!("TAP_WIN_IOCTL_CONFIG_TUN name={},err={:?}", name_str, e),
-        //         )
-        //     },
-        // )?;
-        let mut mac = [0u8; 6];
-        ffi::device_io_control(handle, TAP_WIN_IOCTL_GET_MAC, &(), &mut mac)
-            .map_err(|e| {
-                io::Error::new(
-                    e.kind(),
-                    format!("TAP_WIN_IOCTL_CONFIG_TUN name={},err={:?}", name, e),
-                )
-            })
-            .map_err(|e| io::Error::new(e.kind(), format!("TAP_WIN_IOCTL_GET_MAC,err={:?}", e)))?;
-        let index = ffi::luid_to_index(&luid).map(|index| index as u32)?;
-        // 设置网卡跃点
-        if let Err(e) = netsh::set_interface_metric(index, 0) {
-            log::warn!("{:?}", e);
-        }
-        let device = Self {
-            handle,
-            index,
-            luid,
-            mac,
-        };
-        device.enabled(true)?;
-        Ok(device)
-    }
-    fn write_tap(&self, buf: &[u8]) -> io::Result<usize> {
-        ffi::write_file(self.handle, buf).map(|res| res as _)
-    }
-    fn enabled(&self, value: bool) -> io::Result<()> {
-        let status: u32 = if value { 1 } else { 0 };
-        ffi::device_io_control(
-            self.handle,
-            TAP_WIN_IOCTL_SET_MEDIA_STATUS,
-            &status,
-            &mut (),
-        )
-    }
-}
-
-impl IFace for Device {
-    fn version(&self) -> io::Result<String> {
-        let mut version = [0u32; 3];
-        ffi::device_io_control(self.handle, TAP_WIN_IOCTL_GET_VERSION, &(), &mut version)?;
-        Ok(format!("{}.{}.{}", version[0], version[1], version[2]))
-    }
-    fn name(&self) -> io::Result<String> {
-        ffi::luid_to_alias(&self.luid).map(|name| decode_utf16(&name))
-    }
-
-    fn shutdown(&self) -> io::Result<()> {
-        self.enabled(false)
-    }
-
-    fn set_ip(&self, address: Ipv4Addr, mask: Ipv4Addr) -> io::Result<()> {
-        netsh::set_interface_ip(self.index, &address, &mask)
-    }
-
-    fn mtu(&self) -> io::Result<u32> {
-        let mut mtu = 0;
-        ffi::device_io_control(self.handle, TAP_WIN_IOCTL_GET_MTU, &(), &mut mtu).map(|_| mtu)
-    }
-
-    fn set_mtu(&self, value: u32) -> io::Result<()> {
-        netsh::set_interface_mtu(self.index, value)
-    }
-
-    fn add_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, metric: u16) -> io::Result<()> {
-        route::add_route(self.index, dest, netmask, Ipv4Addr::UNSPECIFIED, metric)?;
-        netsh::delete_cache()
-    }
-
-    fn delete_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
-        route::delete_route(self.index, dest, netmask, Ipv4Addr::UNSPECIFIED)?;
-        netsh::delete_cache()
-    }
-
-    fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
-        packet::read_tap(
-            buf,
-            |eth_buf| ffi::read_file(self.handle, eth_buf).map(|res| res as usize),
-            |eth_buf| ffi::write_file(self.handle, eth_buf).map(|res| res as _),
-        )
-    }
-
-    fn write(&self, buf: &[u8]) -> io::Result<usize> {
-        // 封装二层数据
-        packet::write_tap(
-            buf,
-            |eth_buf| ffi::write_file(self.handle, eth_buf).map(|res| res as _),
-            &self.mac,
-        )
-    }
-}
-
-impl Drop for Device {
-    fn drop(&mut self) {
-        if let Err(e) = ffi::close_handle(self.handle) {
-            log::warn!("close_handle={:?}", e)
-        }
-    }
-}

vnt/tun/src/windows/tun/mod.rs

@@ -1,362 +0,0 @@
-#![allow(dead_code)]
-use libloading::Library;
-use sha2::Digest;
-use std::io;
-use std::net::Ipv4Addr;
-use winapi::um::winbase;
-use winapi::um::{synchapi, winnt};
-
-use crate::device::IFace;
-use crate::windows::decode_utf16;
-use crate::windows::{encode_utf16, ffi, netsh, route};
-
-mod packet;
-mod wintun_log;
-mod wintun_raw;
-
-/// The maximum size of wintun's internal ring buffer (in bytes)
-pub const MAX_RING_CAPACITY: u32 = 0x400_0000;
-
-/// The minimum size of wintun's internal ring buffer (in bytes)
-pub const MIN_RING_CAPACITY: u32 = 0x2_0000;
-
-/// Maximum pool name length including zero terminator
-pub const MAX_POOL: usize = 256;
-
-pub struct Device {
-    pub(crate) luid: u64,
-    pub(crate) index: u32,
-    /// The session handle given to us by WintunStartSession
-    pub(crate) session: wintun_raw::WINTUN_SESSION_HANDLE,
-
-    /// Shared dll for required wintun driver functions
-    pub(crate) win_tun: wintun_raw::wintun,
-
-    /// Windows event handle that is signaled by the wintun driver when data becomes available to
-    /// read
-    pub(crate) read_event: winnt::HANDLE,
-
-    /// Windows event handle that is signaled when [`TunSession::shutdown`] is called force blocking
-    /// readers to exit
-    pub(crate) shutdown_event: winnt::HANDLE,
-
-    /// The adapter that owns this session
-    pub(crate) adapter: wintun_raw::WINTUN_ADAPTER_HANDLE,
-}
-
-unsafe impl Send for Device {}
-
-unsafe impl Sync for Device {}
-
-impl Device {
-    pub fn new(name: String) -> io::Result<Self> {
-        unsafe {
-            let library = match Library::new("wintun.dll") {
-                Ok(library) => library,
-                Err(e) => {
-                    return Err(io::Error::new(
-                        io::ErrorKind::Other,
-                        format!("wintun.dll not found {:?}", e),
-                    ));
-                }
-            };
-            let win_tun = match wintun_raw::wintun::from_library(library) {
-                Ok(win_tun) => win_tun,
-                Err(e) => {
-                    return Err(io::Error::new(
-                        io::ErrorKind::Other,
-                        format!("library error {:?} ", e),
-                    ));
-                }
-            };
-            let name_utf16 = encode_utf16(&name);
-            if name_utf16.len() > MAX_POOL {
-                return Err(io::Error::new(
-                    io::ErrorKind::Other,
-                    format!("too long {}:{:?}", MAX_POOL, name),
-                ));
-            }
-            wintun_log::set_default_logger_if_unset(&win_tun);
-            if Self::delete_for_name(&win_tun, &name_utf16).is_ok() {
-                std::thread::sleep(std::time::Duration::from_millis(500));
-            }
-            let guid_bytes: [u8; 16] = hash_guid(&name);
-            let guid = u128::from_ne_bytes(guid_bytes);
-            //SAFETY: guid is a unique integer so transmuting either all zeroes or the user's preferred
-            //guid to the winapi guid type is safe and will allow the windows kernel to see our GUID
-
-            let guid_struct: wintun_raw::GUID = std::mem::transmute(guid);
-            let guid_ptr = &guid_struct as *const wintun_raw::GUID;
-
-            //SAFETY: the function is loaded from the wintun dll properly, we are providing valid
-            //pointers, and all the strings are correct null terminated UTF-16. This safety rationale
-            //applies for all Wintun* functions below
-            let adapter =
-                win_tun.WintunCreateAdapter(name_utf16.as_ptr(), name_utf16.as_ptr(), guid_ptr);
-            if adapter.is_null() {
-                log::error!("adapter.is_null {:?}", io::Error::last_os_error());
-                return Err(io::Error::new(
-                    io::ErrorKind::Other,
-                    "Failed to crate adapter",
-                ));
-            }
-            // 开启session
-            let session = win_tun.WintunStartSession(adapter, 4 * 1024 * 1024);
-            if session.is_null() {
-                log::error!("session.is_null {:?}", io::Error::last_os_error());
-                return Err(io::Error::new(
-                    io::ErrorKind::Other,
-                    "WintunStartSession failed",
-                ));
-            }
-            //SAFETY: We follow the contract required by CreateEventA. See MSDN
-            //(the pointers are allowed to be null, and 0 is okay for the others)
-            let shutdown_event =
-                synchapi::CreateEventA(std::ptr::null_mut(), 0, 0, std::ptr::null_mut());
-            let read_event = win_tun.WintunGetReadWaitEvent(session) as winnt::HANDLE;
-            let mut luid: wintun_raw::NET_LUID = std::mem::zeroed();
-            win_tun.WintunGetAdapterLUID(adapter, &mut luid as *mut wintun_raw::NET_LUID);
-            let index = ffi::luid_to_index(&std::mem::transmute(luid)).map(|index| index as u32)?;
-            // 设置网卡跃点
-            if let Err(e) = netsh::set_interface_metric(index, 0) {
-                log::warn!("{:?}", e);
-            }
-            Ok(Self {
-                luid: std::mem::transmute(luid),
-                index,
-                session,
-                win_tun,
-                read_event,
-                shutdown_event,
-                adapter,
-            })
-        }
-    }
-    pub unsafe fn delete_for_name(
-        win_tun: &wintun_raw::wintun,
-        name_utf16: &Vec<u16>,
-    ) -> io::Result<()> {
-        let adapter = win_tun.WintunOpenAdapter(name_utf16.as_ptr());
-        if adapter.is_null() {
-            log::error!(
-                "delete_for_name adapter.is_null {:?}",
-                io::Error::last_os_error()
-            );
-            return Err(io::Error::new(
-                io::ErrorKind::Other,
-                "Failed to open adapter",
-            ));
-        }
-        win_tun.WintunCloseAdapter(adapter);
-        win_tun.WintunDeleteDriver();
-        Ok(())
-    }
-}
-fn hash_guid(input: &str) -> [u8; 16] {
-    let mut hasher = sha2::Sha256::new();
-    hasher.update(b"VNT");
-    hasher.update(input.as_bytes());
-    hasher.update(b"2024");
-    let hash: [u8; 32] = hasher.finalize().into();
-    hash[..16].try_into().unwrap()
-}
-impl IFace for Device {
-    fn version(&self) -> io::Result<String> {
-        let version = unsafe { self.win_tun.WintunGetRunningDriverVersion() };
-        if version == 0 {
-            return Err(io::Error::new(
-                io::ErrorKind::Other,
-                "WintunGetRunningDriverVersion",
-            ));
-        } else {
-            Ok(format!("{}.{}", (version >> 16) & 0xFFFF, version & 0xFFFF))
-        }
-    }
-    fn name(&self) -> io::Result<String> {
-        let luid = self.luid;
-        ffi::luid_to_alias(&unsafe { std::mem::transmute(luid) }).map(|name| decode_utf16(&name))
-    }
-
-    fn shutdown(&self) -> io::Result<()> {
-        unsafe {
-            if winapi::shared::minwindef::TRUE == synchapi::SetEvent(self.shutdown_event) {
-                Ok(())
-            } else {
-                Err(io::Error::last_os_error())
-            }
-        }
-    }
-
-    fn set_ip(&self, address: Ipv4Addr, mask: Ipv4Addr) -> io::Result<()> {
-        netsh::set_interface_ip(self.index, &address, &mask)
-    }
-
-    fn mtu(&self) -> io::Result<u32> {
-        Err(io::Error::from(io::ErrorKind::Unsupported))
-    }
-
-    fn set_mtu(&self, value: u32) -> io::Result<()> {
-        netsh::set_interface_mtu(self.index, value)
-    }
-
-    fn add_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, metric: u16) -> io::Result<()> {
-        route::add_route(self.index, dest, netmask, Ipv4Addr::UNSPECIFIED, metric)?;
-        netsh::delete_cache()
-    }
-
-    fn delete_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
-        route::delete_route(self.index, dest, netmask, Ipv4Addr::UNSPECIFIED)?;
-        netsh::delete_cache()
-    }
-
-    fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
-        let packet = self.receive_blocking()?;
-        let packet = packet.bytes();
-        let len = packet.len();
-        if len > buf.len() {
-            return Err(io::Error::new(io::ErrorKind::InvalidData, "data too long"));
-        }
-        buf[..len].copy_from_slice(packet);
-        Ok(len)
-    }
-
-    fn write(&self, buf: &[u8]) -> io::Result<usize> {
-        let mut packet = self.allocate_send_packet(buf.len() as u16)?;
-        packet.bytes_mut().copy_from_slice(buf);
-        self.send_packet(packet);
-        Ok(buf.len())
-    }
-}
-
-impl Device {
-    pub fn try_receive(&self) -> io::Result<Option<packet::TunPacket>> {
-        let mut size = 0u32;
-
-        let bytes_ptr = unsafe {
-            self.win_tun
-                .WintunReceivePacket(self.session, &mut size as *mut u32)
-        };
-
-        debug_assert!(size <= u16::MAX as u32);
-        if bytes_ptr.is_null() {
-            //Wintun returns ERROR_NO_MORE_ITEMS instead of blocking if packets are not available
-            let last_error = unsafe { winapi::um::errhandlingapi::GetLastError() };
-            if last_error == winapi::shared::winerror::ERROR_NO_MORE_ITEMS {
-                Ok(None)
-            } else {
-                Err(io::Error::new(
-                    io::ErrorKind::Other,
-                    format!("try_receive failed {:?}", io::Error::last_os_error()),
-                ))
-            }
-        } else {
-            Ok(Some(packet::TunPacket {
-                kind: packet::Kind::ReceivePacket,
-                size: size as usize,
-                //SAFETY: ptr is non null, aligned for u8, and readable for up to size bytes (which
-                //must be less than isize::MAX because bytes is a u16
-                bytes_ptr,
-                tun_device: Some(&self),
-            }))
-        }
-    }
-    pub fn receive_blocking(&self) -> io::Result<packet::TunPacket> {
-        loop {
-            //Try 16 times to receive without blocking so we don't have to issue a syscall to wait
-            //for the event if packets are being received at a rapid rate
-            for i in 0..20 {
-                match self.try_receive() {
-                    Ok(data) => match data {
-                        None => {
-                            continue;
-                        }
-                        Some(packet) => {
-                            return Ok(packet);
-                        }
-                    },
-                    Err(e) => {
-                        if i > 10 {
-                            // 某些系统存在错误退出的情况(原因不明)，这里尝试忽略部分错误
-                            return Err(e);
-                        }
-                    }
-                }
-            }
-            //Wait on both the read handle and the shutdown handle so that we stop when requested
-            let handles = [self.read_event, self.shutdown_event];
-            let result = unsafe {
-                //SAFETY: We abide by the requirements of WaitForMultipleObjects, handles is a
-                //pointer to valid, aligned, stack memory
-                synchapi::WaitForMultipleObjects(
-                    2,
-                    &handles as *const winnt::HANDLE,
-                    0,
-                    winbase::INFINITE,
-                )
-            };
-            match result {
-                winbase::WAIT_FAILED => {
-                    return Err(io::Error::new(io::ErrorKind::Other, "WAIT_FAILED"));
-                }
-                _ => {
-                    if result == winbase::WAIT_OBJECT_0 {
-                        //We have data!
-                        continue;
-                    } else {
-                        //Shutdown event triggered
-                        return Err(io::Error::new(
-                            io::ErrorKind::Other,
-                            format!("Shutdown event triggered {}", io::Error::last_os_error()),
-                        ));
-                    }
-                }
-            }
-        }
-    }
-    pub fn allocate_send_packet(&self, size: u16) -> io::Result<packet::TunPacket> {
-        let bytes_ptr = unsafe {
-            self.win_tun
-                .WintunAllocateSendPacket(self.session, size as u32)
-        };
-        if bytes_ptr.is_null() {
-            Err(io::Error::new(
-                io::ErrorKind::Other,
-                "allocate_send_packet failed",
-            ))
-        } else {
-            Ok(packet::TunPacket {
-                kind: packet::Kind::SendPacketPending,
-                size: size as usize,
-                //SAFETY: ptr is non null, aligned for u8, and readable for up to size bytes (which
-                //must be less than isize::MAX because bytes is a u16
-                bytes_ptr,
-                tun_device: None,
-            })
-        }
-    }
-    pub fn send_packet(&self, mut packet: packet::TunPacket) {
-        assert!(matches!(packet.kind, packet::Kind::SendPacketPending));
-
-        unsafe {
-            self.win_tun
-                .WintunSendPacket(self.session, packet.bytes_ptr)
-        };
-        //Mark the packet at sent
-        packet.kind = packet::Kind::SendPacketSent;
-    }
-}
-
-impl Drop for Device {
-    fn drop(&mut self) {
-        unsafe {
-            if let Err(e) = ffi::close_handle(self.shutdown_event) {
-                log::warn!("close shutdown_event={:?}", e)
-            }
-            self.win_tun.WintunEndSession(self.session);
-            self.win_tun.WintunCloseAdapter(self.adapter);
-            if winapi::shared::minwindef::FALSE == self.win_tun.WintunDeleteDriver() {
-                log::warn!("WintunDeleteDriver failed {:?}", io::Error::last_os_error())
-            }
-        }
-    }
-}

vnt/tun/src/windows/tun/packet.rs

@@ -1,64 +0,0 @@
-use crate::windows::tun::Device;
-
-pub(crate) enum Kind {
-    SendPacketPending,
-    //Send packet type, but not sent yet
-    SendPacketSent,
-    //Send packet type - sent
-    ReceivePacket,
-}
-
-/// Represents a wintun packet
-pub struct TunPacket<'a> {
-    pub(crate) kind: Kind,
-    pub(crate) size: usize,
-    pub(crate) bytes_ptr: *const u8,
-
-    //Share ownership of session to prevent the session from being dropped before packets that
-    //belong to it
-    pub(crate) tun_device: Option<&'a Device>,
-}
-
-impl<'a> TunPacket<'a> {
-    /// Returns the bytes this packet holds as &mut.
-    /// The lifetime of the bytes is tied to the lifetime of this packet.
-    pub fn bytes_mut(&mut self) -> &mut [u8] {
-        unsafe { std::slice::from_raw_parts_mut(self.bytes_ptr as *mut u8, self.size) }
-    }
-
-    /// Returns an immutable reference to the bytes this packet holds.
-    /// The lifetime of the bytes is tied to the lifetime of this packet.
-    pub fn bytes(&self) -> &[u8] {
-        unsafe { std::slice::from_raw_parts(self.bytes_ptr, self.size) }
-    }
-}
-
-impl<'a> Drop for TunPacket<'a> {
-    fn drop(&mut self) {
-        match self.kind {
-            Kind::ReceivePacket => {
-                unsafe {
-                    //SAFETY:
-                    //
-                    //  1. We share ownership of the session therefore it hasn't been dropped yet
-                    //  2. Bytes is valid because each packet holds exclusive access to a region of the
-                    //     ring buffer that the wintun session owns. We return that region of
-                    //     memory back to wintun here
-                    let tun_device = self.tun_device.unwrap();
-                    tun_device
-                        .win_tun
-                        .WintunReleaseReceivePacket(tun_device.session, self.bytes_ptr)
-                };
-            }
-            Kind::SendPacketPending => {
-                //If someone allocates a packet with session.allocate_send_packet() and then it is
-                //dropped without being sent, this will hold up the send queue because wintun expects
-                //that every allocated packet is sent
-                panic!("Packet was never sent!");
-            }
-            Kind::SendPacketSent => {
-                //Nop
-            }
-        }
-    }
-}

vnt/tun/src/windows/tun/wintun_log.rs

@@ -1,48 +0,0 @@
-#![allow(dead_code)]
-use log::*;
-
-use crate::windows::tun::wintun_raw;
-use std::sync::atomic::{AtomicBool, Ordering};
-use widestring::U16CStr;
-
-/// Sets the logger wintun will use when logging. Maps to the WintunSetLogger C function
-pub fn set_logger(win_tun: &wintun_raw::wintun, f: wintun_raw::WINTUN_LOGGER_CALLBACK) {
-    unsafe { win_tun.WintunSetLogger(f) };
-}
-
-pub fn reset_logger(win_tun: &wintun_raw::wintun) {
-    set_logger(win_tun, None);
-}
-
-static SET_LOGGER: AtomicBool = AtomicBool::new(false);
-
-/// The logger that is active by default. Logs messages to the log crate
-///
-/// # Safety
-/// `message` must be a valid pointer that points to an aligned null terminated UTF-16 string
-pub unsafe extern "C" fn default_logger(
-    level: wintun_raw::WINTUN_LOGGER_LEVEL,
-    _timestamp: wintun_raw::DWORD64,
-    message: *const wintun_raw::WCHAR,
-) {
-    //Cant wait for RFC 2585
-    #[allow(unused_unsafe)]
-    //Wintun will always give us a valid UTF16 null termineted string
-    let msg = unsafe { U16CStr::from_ptr_str(message) };
-    let utf8_msg = msg.to_string_lossy();
-    match level {
-        wintun_raw::WINTUN_LOGGER_LEVEL_WINTUN_LOG_INFO => info!("WinTun: {}", utf8_msg),
-        wintun_raw::WINTUN_LOGGER_LEVEL_WINTUN_LOG_WARN => warn!("WinTun: {}", utf8_msg),
-        wintun_raw::WINTUN_LOGGER_LEVEL_WINTUN_LOG_ERR => error!("WinTun: {}", utf8_msg),
-        _ => error!("WinTun: {} (with invalid log level {})", utf8_msg, level),
-    }
-}
-
-pub(crate) fn set_default_logger_if_unset(win_tun: &wintun_raw::wintun) {
-    if SET_LOGGER
-        .compare_exchange(false, true, Ordering::SeqCst, Ordering::Relaxed)
-        .is_ok()
-    {
-        set_logger(win_tun, Some(default_logger));
-    }
-}

vnt/tun/src/windows/tun/wintun_raw.rs

@@ -1,449 +0,0 @@
-#![allow(non_snake_case)]
-#![allow(non_camel_case_types)]
-/* automatically generated by rust-bindgen 0.59.1 */
-#[repr(C)]
-#[derive(Copy, Clone, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
-pub struct __BindgenBitfieldUnit<Storage> {
-    storage: Storage,
-}
-impl<Storage> __BindgenBitfieldUnit<Storage> {
-    #[inline]
-    pub const fn new(storage: Storage) -> Self {
-        Self { storage }
-    }
-}
-impl<Storage> __BindgenBitfieldUnit<Storage>
-where
-    Storage: AsRef<[u8]> + AsMut<[u8]>,
-{
-    #[inline]
-    pub fn get_bit(&self, index: usize) -> bool {
-        debug_assert!(index / 8 < self.storage.as_ref().len());
-        let byte_index = index / 8;
-        let byte = self.storage.as_ref()[byte_index];
-        let bit_index = if cfg!(target_endian = "big") {
-            7 - (index % 8)
-        } else {
-            index % 8
-        };
-        let mask = 1 << bit_index;
-        byte & mask == mask
-    }
-    #[inline]
-    pub fn set_bit(&mut self, index: usize, val: bool) {
-        debug_assert!(index / 8 < self.storage.as_ref().len());
-        let byte_index = index / 8;
-        let byte = &mut self.storage.as_mut()[byte_index];
-        let bit_index = if cfg!(target_endian = "big") {
-            7 - (index % 8)
-        } else {
-            index % 8
-        };
-        let mask = 1 << bit_index;
-        if val {
-            *byte |= mask;
-        } else {
-            *byte &= !mask;
-        }
-    }
-    #[inline]
-    pub fn get(&self, bit_offset: usize, bit_width: u8) -> u64 {
-        debug_assert!(bit_width <= 64);
-        debug_assert!(bit_offset / 8 < self.storage.as_ref().len());
-        debug_assert!((bit_offset + (bit_width as usize)) / 8 <= self.storage.as_ref().len());
-        let mut val = 0;
-        for i in 0..(bit_width as usize) {
-            if self.get_bit(i + bit_offset) {
-                let index = if cfg!(target_endian = "big") {
-                    bit_width as usize - 1 - i
-                } else {
-                    i
-                };
-                val |= 1 << index;
-            }
-        }
-        val
-    }
-    #[inline]
-    pub fn set(&mut self, bit_offset: usize, bit_width: u8, val: u64) {
-        debug_assert!(bit_width <= 64);
-        debug_assert!(bit_offset / 8 < self.storage.as_ref().len());
-        debug_assert!((bit_offset + (bit_width as usize)) / 8 <= self.storage.as_ref().len());
-        for i in 0..(bit_width as usize) {
-            let mask = 1 << i;
-            let val_bit_is_set = val & mask == mask;
-            let index = if cfg!(target_endian = "big") {
-                bit_width as usize - 1 - i
-            } else {
-                i
-            };
-            self.set_bit(index + bit_offset, val_bit_is_set);
-        }
-    }
-}
-pub type wchar_t = ::std::os::raw::c_ushort;
-pub type DWORD = ::std::os::raw::c_ulong;
-pub type BOOL = ::std::os::raw::c_int;
-pub type BYTE = ::std::os::raw::c_uchar;
-pub type ULONG64 = ::std::os::raw::c_ulonglong;
-pub type DWORD64 = ::std::os::raw::c_ulonglong;
-pub type WCHAR = wchar_t;
-pub type LPCWSTR = *const WCHAR;
-pub type HANDLE = *mut ::std::os::raw::c_void;
-#[repr(C)]
-#[derive(Debug, Copy, Clone)]
-pub struct _GUID {
-    pub Data1: ::std::os::raw::c_ulong,
-    pub Data2: ::std::os::raw::c_ushort,
-    pub Data3: ::std::os::raw::c_ushort,
-    pub Data4: [::std::os::raw::c_uchar; 8usize],
-}
-#[test]
-fn bindgen_test_layout__GUID() {
-    assert_eq!(
-        ::std::mem::size_of::<_GUID>(),
-        16usize,
-        concat!("Size of: ", stringify!(_GUID))
-    );
-    assert_eq!(
-        ::std::mem::align_of::<_GUID>(),
-        4usize,
-        concat!("Alignment of ", stringify!(_GUID))
-    );
-    assert_eq!(
-        unsafe { &(*(::std::ptr::null::<_GUID>())).Data1 as *const _ as usize },
-        0usize,
-        concat!(
-            "Offset of field: ",
-            stringify!(_GUID),
-            "::",
-            stringify!(Data1)
-        )
-    );
-    assert_eq!(
-        unsafe { &(*(::std::ptr::null::<_GUID>())).Data2 as *const _ as usize },
-        4usize,
-        concat!(
-            "Offset of field: ",
-            stringify!(_GUID),
-            "::",
-            stringify!(Data2)
-        )
-    );
-    assert_eq!(
-        unsafe { &(*(::std::ptr::null::<_GUID>())).Data3 as *const _ as usize },
-        6usize,
-        concat!(
-            "Offset of field: ",
-            stringify!(_GUID),
-            "::",
-            stringify!(Data3)
-        )
-    );
-    assert_eq!(
-        unsafe { &(*(::std::ptr::null::<_GUID>())).Data4 as *const _ as usize },
-        8usize,
-        concat!(
-            "Offset of field: ",
-            stringify!(_GUID),
-            "::",
-            stringify!(Data4)
-        )
-    );
-}
-pub type GUID = _GUID;
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub union _NET_LUID_LH {
-    pub Value: ULONG64,
-    pub Info: _NET_LUID_LH__bindgen_ty_1,
-}
-#[repr(C)]
-#[repr(align(8))]
-#[derive(Debug, Copy, Clone)]
-pub struct _NET_LUID_LH__bindgen_ty_1 {
-    pub _bitfield_align_1: [u32; 0],
-    pub _bitfield_1: __BindgenBitfieldUnit<[u8; 8usize]>,
-}
-#[test]
-fn bindgen_test_layout__NET_LUID_LH__bindgen_ty_1() {
-    assert_eq!(
-        ::std::mem::size_of::<_NET_LUID_LH__bindgen_ty_1>(),
-        8usize,
-        concat!("Size of: ", stringify!(_NET_LUID_LH__bindgen_ty_1))
-    );
-    assert_eq!(
-        ::std::mem::align_of::<_NET_LUID_LH__bindgen_ty_1>(),
-        8usize,
-        concat!("Alignment of ", stringify!(_NET_LUID_LH__bindgen_ty_1))
-    );
-}
-impl _NET_LUID_LH__bindgen_ty_1 {
-    #[inline]
-    pub fn Reserved(&self) -> ULONG64 {
-        unsafe { ::std::mem::transmute(self._bitfield_1.get(0usize, 24u8) as u64) }
-    }
-    #[inline]
-    pub fn set_Reserved(&mut self, val: ULONG64) {
-        unsafe {
-            let val: u64 = ::std::mem::transmute(val);
-            self._bitfield_1.set(0usize, 24u8, val as u64)
-        }
-    }
-    #[inline]
-    pub fn NetLuidIndex(&self) -> ULONG64 {
-        unsafe { ::std::mem::transmute(self._bitfield_1.get(24usize, 24u8) as u64) }
-    }
-    #[inline]
-    pub fn set_NetLuidIndex(&mut self, val: ULONG64) {
-        unsafe {
-            let val: u64 = ::std::mem::transmute(val);
-            self._bitfield_1.set(24usize, 24u8, val as u64)
-        }
-    }
-    #[inline]
-    pub fn IfType(&self) -> ULONG64 {
-        unsafe { ::std::mem::transmute(self._bitfield_1.get(48usize, 16u8) as u64) }
-    }
-    #[inline]
-    pub fn set_IfType(&mut self, val: ULONG64) {
-        unsafe {
-            let val: u64 = ::std::mem::transmute(val);
-            self._bitfield_1.set(48usize, 16u8, val as u64)
-        }
-    }
-    #[inline]
-    pub fn new_bitfield_1(
-        Reserved: ULONG64,
-        NetLuidIndex: ULONG64,
-        IfType: ULONG64,
-    ) -> __BindgenBitfieldUnit<[u8; 8usize]> {
-        let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 8usize]> = Default::default();
-        __bindgen_bitfield_unit.set(0usize, 24u8, {
-            let Reserved: u64 = unsafe { ::std::mem::transmute(Reserved) };
-            Reserved as u64
-        });
-        __bindgen_bitfield_unit.set(24usize, 24u8, {
-            let NetLuidIndex: u64 = unsafe { ::std::mem::transmute(NetLuidIndex) };
-            NetLuidIndex as u64
-        });
-        __bindgen_bitfield_unit.set(48usize, 16u8, {
-            let IfType: u64 = unsafe { ::std::mem::transmute(IfType) };
-            IfType as u64
-        });
-        __bindgen_bitfield_unit
-    }
-}
-#[test]
-fn bindgen_test_layout__NET_LUID_LH() {
-    assert_eq!(
-        ::std::mem::size_of::<_NET_LUID_LH>(),
-        8usize,
-        concat!("Size of: ", stringify!(_NET_LUID_LH))
-    );
-    assert_eq!(
-        ::std::mem::align_of::<_NET_LUID_LH>(),
-        8usize,
-        concat!("Alignment of ", stringify!(_NET_LUID_LH))
-    );
-    assert_eq!(
-        unsafe { &(*(::std::ptr::null::<_NET_LUID_LH>())).Value as *const _ as usize },
-        0usize,
-        concat!(
-            "Offset of field: ",
-            stringify!(_NET_LUID_LH),
-            "::",
-            stringify!(Value)
-        )
-    );
-    assert_eq!(
-        unsafe { &(*(::std::ptr::null::<_NET_LUID_LH>())).Info as *const _ as usize },
-        0usize,
-        concat!(
-            "Offset of field: ",
-            stringify!(_NET_LUID_LH),
-            "::",
-            stringify!(Info)
-        )
-    );
-}
-pub type NET_LUID_LH = _NET_LUID_LH;
-pub type NET_LUID = NET_LUID_LH;
-#[repr(C)]
-#[derive(Debug, Copy, Clone)]
-pub struct _WINTUN_ADAPTER {
-    _unused: [u8; 0],
-}
-#[doc = " A handle representing Wintun adapter"]
-pub type WINTUN_ADAPTER_HANDLE = *mut _WINTUN_ADAPTER;
-#[doc = "< Informational"]
-pub const WINTUN_LOGGER_LEVEL_WINTUN_LOG_INFO: WINTUN_LOGGER_LEVEL = 0;
-#[doc = "< Warning"]
-pub const WINTUN_LOGGER_LEVEL_WINTUN_LOG_WARN: WINTUN_LOGGER_LEVEL = 1;
-#[doc = "< Error"]
-pub const WINTUN_LOGGER_LEVEL_WINTUN_LOG_ERR: WINTUN_LOGGER_LEVEL = 2;
-#[doc = " Determines the level of logging, passed to WINTUN_LOGGER_CALLBACK."]
-pub type WINTUN_LOGGER_LEVEL = ::std::os::raw::c_int;
-#[doc = " Called by internal logger to report diagnostic messages"]
-#[doc = ""]
-#[doc = " @param Level         Message level."]
-#[doc = ""]
-#[doc = " @param Timestamp     Message timestamp in in 100ns intervals since 1601-01-01 UTC."]
-#[doc = ""]
-#[doc = " @param Message       Message text."]
-pub type WINTUN_LOGGER_CALLBACK = ::std::option::Option<
-    unsafe extern "C" fn(Level: WINTUN_LOGGER_LEVEL, Timestamp: DWORD64, Message: LPCWSTR),
->;
-#[repr(C)]
-#[derive(Debug, Copy, Clone)]
-pub struct _TUN_SESSION {
-    _unused: [u8; 0],
-}
-#[doc = " A handle representing Wintun session"]
-pub type WINTUN_SESSION_HANDLE = *mut _TUN_SESSION;
-extern crate libloading;
-pub struct wintun {
-    __library: ::libloading::Library,
-    pub WintunCreateAdapter: unsafe extern "C" fn(
-        arg1: LPCWSTR,
-        arg2: LPCWSTR,
-        arg3: *const GUID,
-    ) -> WINTUN_ADAPTER_HANDLE,
-    pub WintunCloseAdapter: unsafe extern "C" fn(arg1: WINTUN_ADAPTER_HANDLE),
-    pub WintunOpenAdapter: unsafe extern "C" fn(arg1: LPCWSTR) -> WINTUN_ADAPTER_HANDLE,
-    pub WintunGetAdapterLUID:
-        unsafe extern "C" fn(arg1: WINTUN_ADAPTER_HANDLE, arg2: *mut NET_LUID),
-    pub WintunGetRunningDriverVersion: unsafe extern "C" fn() -> DWORD,
-    pub WintunDeleteDriver: unsafe extern "C" fn() -> BOOL,
-    pub WintunSetLogger: unsafe extern "C" fn(arg1: WINTUN_LOGGER_CALLBACK),
-    pub WintunStartSession:
-        unsafe extern "C" fn(arg1: WINTUN_ADAPTER_HANDLE, arg2: DWORD) -> WINTUN_SESSION_HANDLE,
-    pub WintunEndSession: unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE),
-    pub WintunGetReadWaitEvent: unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE) -> HANDLE,
-    pub WintunReceivePacket:
-        unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE, arg2: *mut DWORD) -> *mut BYTE,
-    pub WintunReleaseReceivePacket:
-        unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE, arg2: *const BYTE),
-    pub WintunAllocateSendPacket:
-        unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE, arg2: DWORD) -> *mut BYTE,
-    pub WintunSendPacket: unsafe extern "C" fn(arg1: WINTUN_SESSION_HANDLE, arg2: *const BYTE),
-}
-impl wintun {
-    pub unsafe fn new<P>(path: P) -> Result<Self, ::libloading::Error>
-    where
-        P: AsRef<::std::ffi::OsStr>,
-    {
-        let library = ::libloading::Library::new(path)?;
-        Self::from_library(library)
-    }
-    pub unsafe fn from_library<L>(library: L) -> Result<Self, ::libloading::Error>
-    where
-        L: Into<::libloading::Library>,
-    {
-        let __library = library.into();
-        let WintunCreateAdapter = __library.get(b"WintunCreateAdapter\0").map(|sym| *sym)?;
-        let WintunCloseAdapter = __library.get(b"WintunCloseAdapter\0").map(|sym| *sym)?;
-        let WintunOpenAdapter = __library.get(b"WintunOpenAdapter\0").map(|sym| *sym)?;
-        let WintunGetAdapterLUID = __library.get(b"WintunGetAdapterLUID\0").map(|sym| *sym)?;
-        let WintunGetRunningDriverVersion = __library
-            .get(b"WintunGetRunningDriverVersion\0")
-            .map(|sym| *sym)?;
-        let WintunDeleteDriver = __library.get(b"WintunDeleteDriver\0").map(|sym| *sym)?;
-        let WintunSetLogger = __library.get(b"WintunSetLogger\0").map(|sym| *sym)?;
-        let WintunStartSession = __library.get(b"WintunStartSession\0").map(|sym| *sym)?;
-        let WintunEndSession = __library.get(b"WintunEndSession\0").map(|sym| *sym)?;
-        let WintunGetReadWaitEvent = __library.get(b"WintunGetReadWaitEvent\0").map(|sym| *sym)?;
-        let WintunReceivePacket = __library.get(b"WintunReceivePacket\0").map(|sym| *sym)?;
-        let WintunReleaseReceivePacket = __library
-            .get(b"WintunReleaseReceivePacket\0")
-            .map(|sym| *sym)?;
-        let WintunAllocateSendPacket = __library
-            .get(b"WintunAllocateSendPacket\0")
-            .map(|sym| *sym)?;
-        let WintunSendPacket = __library.get(b"WintunSendPacket\0").map(|sym| *sym)?;
-        Ok(wintun {
-            __library,
-            WintunCreateAdapter,
-            WintunCloseAdapter,
-            WintunOpenAdapter,
-            WintunGetAdapterLUID,
-            WintunGetRunningDriverVersion,
-            WintunDeleteDriver,
-            WintunSetLogger,
-            WintunStartSession,
-            WintunEndSession,
-            WintunGetReadWaitEvent,
-            WintunReceivePacket,
-            WintunReleaseReceivePacket,
-            WintunAllocateSendPacket,
-            WintunSendPacket,
-        })
-    }
-    pub unsafe fn WintunCreateAdapter(
-        &self,
-        arg1: LPCWSTR,
-        arg2: LPCWSTR,
-        arg3: *const GUID,
-    ) -> WINTUN_ADAPTER_HANDLE {
-        (self.WintunCreateAdapter)(arg1, arg2, arg3)
-    }
-    pub unsafe fn WintunCloseAdapter(&self, arg1: WINTUN_ADAPTER_HANDLE) -> () {
-        (self.WintunCloseAdapter)(arg1)
-    }
-    pub unsafe fn WintunOpenAdapter(&self, arg1: LPCWSTR) -> WINTUN_ADAPTER_HANDLE {
-        (self.WintunOpenAdapter)(arg1)
-    }
-    pub unsafe fn WintunGetAdapterLUID(
-        &self,
-        arg1: WINTUN_ADAPTER_HANDLE,
-        arg2: *mut NET_LUID,
-    ) -> () {
-        (self.WintunGetAdapterLUID)(arg1, arg2)
-    }
-    pub unsafe fn WintunGetRunningDriverVersion(&self) -> DWORD {
-        (self.WintunGetRunningDriverVersion)()
-    }
-    pub unsafe fn WintunDeleteDriver(&self) -> BOOL {
-        (self.WintunDeleteDriver)()
-    }
-    pub unsafe fn WintunSetLogger(&self, arg1: WINTUN_LOGGER_CALLBACK) -> () {
-        (self.WintunSetLogger)(arg1)
-    }
-    pub unsafe fn WintunStartSession(
-        &self,
-        arg1: WINTUN_ADAPTER_HANDLE,
-        arg2: DWORD,
-    ) -> WINTUN_SESSION_HANDLE {
-        (self.WintunStartSession)(arg1, arg2)
-    }
-    pub unsafe fn WintunEndSession(&self, arg1: WINTUN_SESSION_HANDLE) -> () {
-        (self.WintunEndSession)(arg1)
-    }
-    pub unsafe fn WintunGetReadWaitEvent(&self, arg1: WINTUN_SESSION_HANDLE) -> HANDLE {
-        (self.WintunGetReadWaitEvent)(arg1)
-    }
-    pub unsafe fn WintunReceivePacket(
-        &self,
-        arg1: WINTUN_SESSION_HANDLE,
-        arg2: *mut DWORD,
-    ) -> *mut BYTE {
-        (self.WintunReceivePacket)(arg1, arg2)
-    }
-    pub unsafe fn WintunReleaseReceivePacket(
-        &self,
-        arg1: WINTUN_SESSION_HANDLE,
-        arg2: *const BYTE,
-    ) -> () {
-        (self.WintunReleaseReceivePacket)(arg1, arg2)
-    }
-    pub unsafe fn WintunAllocateSendPacket(
-        &self,
-        arg1: WINTUN_SESSION_HANDLE,
-        arg2: DWORD,
-    ) -> *mut BYTE {
-        (self.WintunAllocateSendPacket)(arg1, arg2)
-    }
-    pub unsafe fn WintunSendPacket(&self, arg1: WINTUN_SESSION_HANDLE, arg2: *const BYTE) -> () {
-        (self.WintunSendPacket)(arg1, arg2)
-    }
-}