CNBUGS AI
8ad4c3576d
- Fixed verifyAssignment being too strict for new clients - Fixed parseRequestedIP string conversion bug - Fixed response sent to 0.0.0.0 instead of broadcast address - Added SO_BROADCAST support for UDP socket - Fixed session persistence after page refresh (localStorage) - Added in-memory session store for auth middleware - Added config reloader so DHCP server picks up web UI changes dynamically
275 řádky
4.4 KiB
Markdown
275 řádky
4.4 KiB
Markdown
# 🔨 构建指南
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如果在安装过程中遇到问题，请参考本指南。
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---
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## 问题：依赖下载失败
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### 错误信息
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```
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go: github.com/google/gopacket@v1.2.3: reading github.com/google/gopacket/go.mod at revision v1.2.3: unknown revision v1.2.3
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```
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### 解决方案
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已修复 `go.mod` 文件。请执行以下步骤：
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#### 方法 1：重新运行安装脚本
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```bash
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cd /path/to/dhcp-dns-manager
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sudo ./install.sh
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```
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#### 方法 2：手动修复
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```bash
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# 1. 进入项目目录
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cd /path/to/dhcp-dns-manager
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# 2. 删除旧的 go.sum（如果有）
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rm -f go.sum
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# 3. 清理模块缓存
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go clean -modcache
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# 4. 重新下载依赖
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go mod download
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# 5. 整理依赖
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go mod tidy
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# 6. 编译
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go build -o dhcp-dns-manager ./cmd
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```
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---
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## 问题：CGO 编译失败
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### 错误信息
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```
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error: gcc failed: command not found
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```
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### 解决方案
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需要安装 GCC 编译器：
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**Debian/Ubuntu:**
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```bash
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sudo apt update
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sudo apt install build-essential
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```
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**RHEL/CentOS:**
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```bash
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sudo yum install gcc make
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```
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**然后重新编译:**
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```bash
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go build -o dhcp-dns-manager ./cmd
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```
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---
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## 问题：SQLite 驱动编译失败
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### 错误信息
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```
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sqlite3.h: No such file or directory
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```
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### 解决方案
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需要安装 SQLite 开发库：
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**Debian/Ubuntu:**
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```bash
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sudo apt install libsqlite3-dev
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```
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**RHEL/CentOS:**
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```bash
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sudo yum install sqlite-devel
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```
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**然后重新编译:**
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```bash
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CGO_ENABLED=1 go build -o dhcp-dns-manager ./cmd
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```
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---
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## 问题：Go 版本过低
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### 错误信息
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```
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go: module requires Go 1.21
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```
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### 解决方案
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安装最新版 Go：
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```bash
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# 1. 下载
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wget https://go.dev/dl/go1.21.0.linux-amd64.tar.gz
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# 2. 解压
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sudo tar -C /usr/local -xzf go1.21.0.linux-amd64.tar.gz
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# 3. 添加到 PATH
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echo 'export PATH=$PATH:/usr/local/go/bin' >> ~/.bashrc
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source ~/.bashrc
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# 4. 验证
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go version
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```
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---
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## 完整手动安装步骤
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如果自动安装脚本失败，可以手动安装：
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### 1. 安装依赖
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```bash
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# Debian/Ubuntu
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sudo apt update
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sudo apt install -y git build-essential libsqlite3-dev
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# RHEL/CentOS
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sudo yum install -y git gcc make sqlite-devel
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```
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### 2. 安装 Go（如果未安装）
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```bash
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wget https://go.dev/dl/go1.21.0.linux-amd64.tar.gz
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sudo tar -C /usr/local -xzf go1.21.0.linux-amd64.tar.gz
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export PATH=$PATH:/usr/local/go/bin
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```
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### 3. 编译程序
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```bash
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cd /path/to/dhcp-dns-manager
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# 下载依赖
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go mod download
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go mod tidy
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# 编译
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CGO_ENABLED=1 go build -o dhcp-dns-manager ./cmd
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```
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### 4. 创建 systemd 服务
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```bash
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sudo nano /etc/systemd/system/dhcp-dns-manager.service
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```
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内容：
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```ini
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[Unit]
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Description=DHCP & DNS Manager Service
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After=network.target
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[Service]
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Type=simple
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User=root
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WorkingDirectory=/path/to/dhcp-dns-manager
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ExecStart=/path/to/dhcp-dns-manager/dhcp-dns-manager -config /path/to/dhcp-dns-manager/configs/config.json
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Restart=always
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[Install]
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WantedBy=multi-user.target
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```
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### 5. 启动服务
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```bash
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sudo systemctl daemon-reload
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sudo systemctl enable dhcp-dns-manager
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sudo systemctl start dhcp-dns-manager
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sudo systemctl status dhcp-dns-manager
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```
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### 6. 配置防火墙
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```bash
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# UFW
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sudo ufw allow 53/udp
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sudo ufw allow 67/udp
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sudo ufw allow 8080/tcp
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# Firewalld
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sudo firewall-cmd --permanent --add-port=53/udp
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sudo firewall-cmd --permanent --add-port=67/udp
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sudo firewall-cmd --permanent --add-port=8080/tcp
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sudo firewall-cmd --reload
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```
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---
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## 验证安装
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### 检查服务状态
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```bash
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systemctl status dhcp-dns-manager
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```
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### 检查端口监听
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```bash
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sudo netstat -ulpn | grep -E ':(53|67|8080)'
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```
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### 访问 Web 界面
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```
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http://your-server-ip:8080
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```
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---
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## 常见错误速查
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| 错误 | 原因 | 解决方案 |
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|------|------|----------|
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| `go: not found` | Go 未安装 | 安装 Go 1.21+ |
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| `gcc: command not found` | 缺少编译器 | 安装 build-essential |
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| `sqlite3.h: No such file` | 缺少 SQLite 头文件 | 安装 libsqlite3-dev |
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| `permission denied` | 权限不足 | 使用 sudo |
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| `port already in use` | 端口被占用 | 修改 config.json 端口 |
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| `module not found` | 依赖未下载 | 运行 `go mod download` |
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---
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## 获取帮助
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如果以上方法都无法解决问题：
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1. 查看详细日志：
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```bash
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journalctl -u dhcp-dns-manager -f
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```
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2. 检查 Go 环境：
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```bash
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go version
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go env
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```
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3. 提交 Issue 时请提供：
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- 操作系统版本
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- Go 版本
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- 完整错误信息
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- 已尝试的解决方案
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---
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**最后更新**: 2026-04-23
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