423 lines
14 KiB
Bash
Executable File
423 lines
14 KiB
Bash
Executable File
#!/bin/bash
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# ==============================================================================
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# Snell v5 管理脚本
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# ==============================================================================
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# --- 函数: 检查 Snell 安装和运行状态 ---
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check_snell_status() {
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# 检查 Snell 是否安装
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if [ -f /usr/local/bin/snell-server ] && [ -f /etc/snell/snell-server.conf ]; then
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echo -e "\033[32mSnell 状态: 已安装\033[0m"
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else
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echo -e "\033[31mSnell 状态: 未安装\033[0m"
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fi
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# 检查 Snell 服务是否运行
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if systemctl is-active --quiet snell; then
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echo -e "\033[32m服务状态: 运行中\033[0m"
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else
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echo -e "\033[31m服务状态: 未运行\033[0m"
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fi
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}
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# --- 函数: 显示菜单 ---
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show_menu() {
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clear
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echo "=================================================="
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echo " Snell v5 管理脚本"
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echo "=================================================="
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check_snell_status
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echo "--------------------------------------------------"
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echo "1. 安装 Snell"
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echo "2. 卸载 Snell"
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echo "3. 修改 Snell 配置"
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echo "4. 查看 Snell 配置"
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echo "5. 查看 Snell 运行状态"
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echo "6. 启动 Snell 服务"
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echo "7. 停止 Snell 服务"
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echo "8. 重启 Snell 服务"
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echo "0. 退出脚本"
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echo "=================================================="
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echo -n "请输入选项 [0-8]: "
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}
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# --- 函数: 检查 root 权限 ---
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check_root() {
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if [ "$(id -u)" -ne 0 ]; then
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echo "错误：此脚本需要以 root 权限运行。" >&2
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exit 1
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fi
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}
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# --- 函数: 安装 Snell ---
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install_snell() {
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# --- 新增：检查 Snell 是否已安装 ---
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if [ -f /usr/local/bin/snell-server ] && [ -f /etc/snell/snell-server.conf ]; then
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echo -e "\033[32mSnell 似乎已经安装，无需重复安装。\033[0m"
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return
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fi
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# --- 步骤 1: 更新软件包列表并安装必要工具 ---
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echo "--> 更新软件包列表并安装必要工具 (wget, unzip, coreutils)..."
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if ! apt-get update > /dev/null; then
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echo "错误：软件包列表更新失败。请检查网络连接或 apt 源。"
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exit 1
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fi
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# coreutils 包含 shuf 命令
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if ! apt-get install -y wget unzip coreutils > /dev/null; then
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echo "错误：工具安装失败。请检查 apt 源或网络连接。"
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exit 1
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fi
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echo " 工具安装完成。"
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# --- 步骤 2: 下载、解压并部署 Snell ---
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echo "--> 正在下载、解压并部署 Snell 服务器程序..."
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if ! wget -q --show-progress https://dl.nssurge.com/snell/snell-server-v5.0.1-linux-amd64.zip -O snell.zip; then
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echo "错误：Snell 下载失败！请检查网络或链接是否有效。"
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exit 1
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fi
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if ! unzip -o snell.zip -d /usr/local/bin/ > /dev/null; then
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echo "错误：Snell 解压失败！"
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rm snell.zip
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exit 1
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fi
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chmod +x /usr/local/bin/snell-server
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mkdir -p /etc/snell
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rm snell.zip
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echo " Snell 程序部署完成。"
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# --- 步骤 3: 用户输入端口和密码 ---
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read -p "请输入 Snell 的监听端口 (留空则随机生成): " snell_port
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if [ -z "${snell_port}" ]; then
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while true; do
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snell_port=$(shuf -i 30001-65535 -n 1)
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if ! ss -lntu | grep -q ":${snell_port} "; then
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echo " 端口未输入，使用随机端口: ${snell_port}"
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break
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fi
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done
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fi
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read -p "请输入 Snell 的密码 (PSK，留空则随机生成): " snell_psk
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if [ -z "${snell_psk}" ]; then
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# --- 新的密码生成逻辑 ---
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# 1. 生成14位字母和数字
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ALPHANUM=$(< /dev/urandom tr -dc 'A-Za-z0-9' | head -c 14)
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# 2. 从 '-/@' 中随机选择两个不同的特殊字符
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SPECIAL_CHARS='-/@'
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S1_INDEX=$(($RANDOM % 3))
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S1=${SPECIAL_CHARS:$S1_INDEX:1}
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REMAINING_CHARS=${SPECIAL_CHARS//$S1/} # 移除已选的字符
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S2_INDEX=$(($RANDOM % 2))
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S2=${REMAINING_CHARS:$S2_INDEX:1}
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# 3. 组合所有字符并打乱顺序
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COMBINED_CHARS="${ALPHANUM}${S1}${S2}"
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snell_psk=$(echo "$COMBINED_CHARS" | grep -o . | shuf | tr -d '\n')
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echo " 密码未输入，使用随机密码: ${snell_psk}"
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fi
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# --- 步骤 4: 配置确认 ---
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echo ""
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echo "============================================="
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echo "端口 (Port): ${snell_port}"
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echo "密码 (PSK): ${snell_psk}"
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echo "============================================="
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echo "安装将在 2 秒后继续，按 Ctrl+C 取消"
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sleep 2
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# --- 步骤 5: 生成配置文件 ---
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echo "--> 正在创建配置文件..."
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cat > /etc/snell/snell-server.conf <<EOF
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[snell-server]
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listen = 0.0.0.0:${snell_port}
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psk = ${snell_psk}
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EOF
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# --- 步骤 6: 创建 systemd 服务并启动 ---
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echo "--> 正在创建 systemd 服务并启动..."
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cat > /etc/systemd/system/snell.service <<EOF
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[Unit]
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Description=Snell Proxy Service
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After=network.target
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[Service]
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Type=simple
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User=root
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Group=nogroup
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LimitNOFILE=32768
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ExecStart=/usr/local/bin/snell-server -c /etc/snell/snell-server.conf
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AmbientCapabilities=CAP_NET_BIND_SERVICE
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SyslogIdentifier=snell-server
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[Install]
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WantedBy=multi-user.target
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EOF
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systemctl daemon-reload
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systemctl enable snell > /dev/null 2>&1
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systemctl start snell
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# --- 步骤 7: 显示结果 ---
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echo "--> 正在获取服务器公网 IP 地址..."
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ip_address=$(curl -s https://ipv4.icanhazip.com || curl -s https://api.ipify.org)
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if [ -z "$ip_address" ]; then
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echo "警告：无法获取公网 IP 地址，请手动检查。"
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fi
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echo ""
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echo "=================================================="
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echo "🎉 Snell 服务器安装并配置成功！"
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echo ""
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echo "--------------- 服务状态 ---------------"
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systemctl status snell
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echo ""
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echo "---------- 客户端配置信息 ----------"
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echo "在Surge使用以下配置："
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echo ""
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echo "vps = snell, ${ip_address:-<您的服务器IP>}, ${snell_port}, psk=${snell_psk}, version=5"
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echo ""
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echo "=================================================="
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}
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# --- 函数: 卸载 Snell ---
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uninstall_snell() {
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echo "警告：此操作将彻底卸载 Snell 并删除所有相关文件！"
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read -p "确定要继续吗？(y/n): " confirm
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if [ "$confirm" != "y" ]; then
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echo "卸载操作已取消。"
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return
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fi
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echo "--> 正在停止并禁用 Snell 服务..."
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systemctl stop snell > /dev/null 2>&1
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systemctl disable snell > /dev/null 2>&1
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echo "--> 正在删除 Snell systemd 服务文件..."
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rm -f /etc/systemd/system/snell.service
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systemctl daemon-reload
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echo "--> 正在删除 Snell 可执行文件..."
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rm -f /usr/local/bin/snell-server
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echo "--> 正在删除 Snell 配置文件..."
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rm -rf /etc/snell
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echo "--> 正在删除此脚本..."
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rm -- "$0"
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echo ""
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echo "✅ Snell 已被彻底卸载。"
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echo "脚本自身也已被删除。退出。"
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exit 0
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}
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# --- 函数: 修改 Snell 配置 ---
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modify_config() {
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if [ -f /etc/snell/snell-server.conf ]; then
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# --- 步骤 1: 用户输入新端口和密码 ---
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read -p "请输入新的 Snell 监听端口 (留空则随机生成): " snell_port
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if [ -z "${snell_port}" ]; then
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while true; do
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snell_port=$(shuf -i 30001-65535 -n 1)
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if ! ss -lntu | grep -q ":${snell_port} "; then
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echo " 端口未输入，使用随机端口: ${snell_port}"
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break
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fi
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done
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fi
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read -p "请输入新的 Snell 密码 (PSK，留空则随机生成): " snell_psk
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if [ -z "${snell_psk}" ]; then
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# --- 新的密码生成逻辑 ---
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# 1. 生成14位字母和数字
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ALPHANUM=$(< /dev/urandom tr -dc 'A-Za-z0-9' | head -c 14)
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# 2. 从 '-/@' 中随机选择两个不同的特殊字符
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SPECIAL_CHARS='-/@'
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S1_INDEX=$(($RANDOM % 3))
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S1=${SPECIAL_CHARS:$S1_INDEX:1}
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REMAINING_CHARS=${SPECIAL_CHARS//$S1/} # 移除已选的字符
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S2_INDEX=$(($RANDOM % 2))
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S2=${REMAINING_CHARS:$S2_INDEX:1}
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# 3. 组合所有字符并打乱顺序
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COMBINED_CHARS="${ALPHANUM}${S1}${S2}"
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snell_psk=$(echo "$COMBINED_CHARS" | grep -o . | shuf | tr -d '\n')
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echo " 密码未输入，使用随机密码: ${snell_psk}"
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fi
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# --- 步骤 2: 配置确认 ---
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echo ""
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echo "============================================="
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echo "新端口 (Port): ${snell_port}"
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echo "新密码 (PSK): ${snell_psk}"
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echo "============================================="
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echo "配置将在 2 秒后更新，按 Ctrl+C 取消"
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sleep 2
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# --- 步骤 3: 更新配置文件 ---
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echo "--> 正在更新配置文件..."
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cat > /etc/snell/snell-server.conf <<EOF
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[snell-server]
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listen = ::0:${snell_port}
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psk = ${snell_psk}
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EOF
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# --- 步骤 4: 显示客户端配置信息 ---
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echo "--> 正在获取服务器公网 IP 地址..."
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ip_address=$(curl -s https://ipv4.icanhazip.com || curl -s https://api.ipify.org)
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if [ -z "$ip_address" ]; then
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echo "警告：无法获取公网 IP 地址，请手动检查。"
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fi
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echo ""
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echo "=================================================="
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echo "🎉 Snell 配置已更新！"
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echo ""
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echo "---------- 客户端配置信息 ----------"
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echo "在Surge使用以下配置："
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echo ""
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echo "vps = snell, ${ip_address:-<您的服务器IP>}, ${snell_port}, psk=${snell_psk}, version=5"
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echo ""
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echo "=================================================="
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# --- 步骤 5: 自动重启服务 ---
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restart_snell
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else
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echo "错误：Snell 配置文件不存在，可能尚未安装。"
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fi
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}
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# --- 函数: 查看 Snell 配置 ---
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view_config() {
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if [ -f /etc/snell/snell-server.conf ]; then
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echo "--> Snell 配置文件内容："
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cat /etc/snell/snell-server.conf
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echo ""
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ip_address=$(curl -s https://ipv4.icanhazip.com || curl -s https://api.ipify.org)
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# --- 使用 awk 和 cut 准确提取配置 ---
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port=$(grep "listen" /etc/snell/snell-server.conf | awk -F':' '{print $NF}')
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psk=$(grep "psk" /etc/snell/snell-server.conf | cut -d'=' -f2 | tr -d ' ')
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echo "--> 客户端配置信息："
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echo "vps = snell, ${ip_address:-<您的服务器IP>}, ${port}, psk=${psk}, version=5"
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else
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echo "错误：Snell 配置文件不存在，可能尚未安装。"
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fi
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}
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# --- 函数: 查看 Snell 运行状态 ---
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check_snell_running() {
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echo "--> Snell 服务运行状态："
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systemctl status snell
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}
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# --- 函数: 启动 Snell 服务 ---
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start_snell() {
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if [ -f /etc/systemd/system/snell.service ]; then
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echo "--> 正在启动 Snell 服务..."
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systemctl daemon-reload
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systemctl enable snell > /dev/null 2>&1
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if systemctl start snell; then
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echo " Snell 服务已启动并启用。"
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echo ""
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echo "--> Snell 服务运行状态："
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systemctl status snell
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else
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echo " 错误：Snell 服务启动失败，请使用 'journalctl -u snell' 查看日志。"
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echo ""
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echo "--> Snell 服务运行状态："
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systemctl status snell
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fi
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else
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echo "错误：Snell 服务未安装。"
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fi
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}
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# --- 函数: 停止 Snell 服务 ---
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stop_snell() {
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if systemctl is-active --quiet snell || systemctl is-enabled --quiet snell; then
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echo "--> 正在停止 Snell 服务..."
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systemctl stop snell
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systemctl disable snell > /dev/null 2>&1
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echo " Snell 服务已停止并禁用。"
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echo ""
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echo "--> Snell 服务运行状态："
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systemctl status snell
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else
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echo "错误：Snell 服务未安装或未运行。"
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fi
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}
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# --- 函数: 重启 Snell 服务 ---
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restart_snell() {
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if [ -f /etc/systemd/system/snell.service ]; then
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echo "--> 正在重启 Snell 服务..."
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systemctl daemon-reload
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systemctl enable snell > /dev/null 2>&1
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if systemctl restart snell; then
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echo " Snell 服务已重启并启用。"
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echo ""
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echo "--> Snell 服务运行状态："
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systemctl status snell
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else
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echo " 错误：Snell 服务重启失败，请使用 'journalctl -u snell' 查看日志。"
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echo ""
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echo "--> Snell 服务运行状态："
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systemctl status snell
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fi
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else
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echo "错误：Snell 服务未安装。"
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fi
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}
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# --- 主程序: 检查 root 权限并显示菜单 ---
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check_root
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while true; do
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show_menu
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read choice
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case $choice in
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1)
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install_snell
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;;
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2)
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uninstall_snell
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;;
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3)
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modify_config
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;;
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4)
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view_config
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;;
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5)
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check_snell_running
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;;
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6)
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start_snell
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;;
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7)
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stop_snell
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;;
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8)
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restart_snell
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;;
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0)
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echo "退出脚本。"
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exit 0
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;;
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*)
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echo "无效选项，请输入 0-8。"
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;;
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esac
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echo ""
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echo "按 Enter 键返回菜单..."
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read -r
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done
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