添加 port.sh
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commit
aff41079f6
249
port.sh
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249
port.sh
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cat > /root/port-forward.sh << 'EOF'
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#!/bin/bash
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# 端口转发管理脚本
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# 使用 socat 实现端口转发
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SCRIPT_NAME="Port Forward Manager"
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SERVICE_PREFIX="port-forward"
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# 颜色定义
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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# 检查是否安装 socat
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check_socat() {
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if ! command -v socat &> /dev/null; then
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echo -e "${YELLOW}socat 未安装，正在安装...${NC}"
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apt update && apt install socat -y
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if [ $? -eq 0 ]; then
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echo -e "${GREEN}socat 安装成功！${NC}"
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else
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echo -e "${RED}socat 安装失败，请手动安装${NC}"
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exit 1
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fi
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fi
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}
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# 添加单个端口转发
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add_single_forward() {
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echo -e "${GREEN}=== 添加单个端口转发 ===${NC}"
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read -p "请输入本机监听端口: " local_port
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read -p "请输入目标IP地址: " target_ip
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read -p "请输入目标端口: " target_port
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# 验证输入
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if [[ -z "$local_port" ]] || [[ -z "$target_ip" ]] || [[ -z "$target_port" ]]; then
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echo -e "${RED}错误: 输入不能为空${NC}"
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return 1
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fi
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# 创建 systemd 服务
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cat > /etc/systemd/system/${SERVICE_PREFIX}-${local_port}.service << SERVICEEOF
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[Unit]
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Description=Port Forward ${local_port} to ${target_ip}:${target_port}
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After=network.target
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[Service]
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Type=simple
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ExecStart=/usr/bin/socat TCP4-LISTEN:${local_port},reuseaddr,fork TCP4:${target_ip}:${target_port}
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Restart=always
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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SERVICEEOF
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# 启动服务
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systemctl daemon-reload
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systemctl enable ${SERVICE_PREFIX}-${local_port}
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systemctl start ${SERVICE_PREFIX}-${local_port}
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if [ $? -eq 0 ]; then
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echo -e "${GREEN}✓ 端口转发添加成功！${NC}"
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echo -e "本机端口: ${local_port} -> 目标: ${target_ip}:${target_port}"
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else
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echo -e "${RED}✗ 端口转发添加失败${NC}"
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fi
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}
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# 批量添加端口转发
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add_batch_forward() {
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echo -e "${GREEN}=== 批量添加端口转发 ===${NC}"
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read -p "请输入本机起始端口: " start_port
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read -p "请输入本机结束端口: " end_port
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read -p "请输入目标IP地址: " target_ip
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read -p "请输入目标端口: " target_port
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# 验证输入
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if [[ -z "$start_port" ]] || [[ -z "$end_port" ]] || [[ -z "$target_ip" ]] || [[ -z "$target_port" ]]; then
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echo -e "${RED}错误: 输入不能为空${NC}"
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return 1
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fi
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echo -e "${YELLOW}即将创建 $((end_port - start_port + 1)) 个端口转发...${NC}"
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read -p "确认继续? (y/n): " confirm
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if [[ "$confirm" != "y" ]]; then
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echo "操作已取消"
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return
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fi
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for port in $(seq $start_port $end_port); do
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cat > /etc/systemd/system/${SERVICE_PREFIX}-${port}.service << SERVICEEOF
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[Unit]
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Description=Port Forward ${port} to ${target_ip}:${target_port}
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After=network.target
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[Service]
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Type=simple
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ExecStart=/usr/bin/socat TCP4-LISTEN:${port},reuseaddr,fork TCP4:${target_ip}:${target_port}
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Restart=always
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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SERVICEEOF
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systemctl enable ${SERVICE_PREFIX}-${port} > /dev/null 2>&1
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systemctl start ${SERVICE_PREFIX}-${port}
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echo -e "${GREEN}✓${NC} 端口 ${port} 转发已创建"
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done
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systemctl daemon-reload
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echo -e "${GREEN}批量端口转发添加完成！${NC}"
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}
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# 查看所有转发
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list_forwards() {
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echo -e "${GREEN}=== 当前端口转发列表 ===${NC}"
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echo ""
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services=$(systemctl list-units --all --type=service --no-pager | grep ${SERVICE_PREFIX} | awk '{print $1}')
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if [[ -z "$services" ]]; then
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echo -e "${YELLOW}暂无端口转发${NC}"
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return
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fi
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printf "%-15s %-10s %-30s\n" "本机端口" "状态" "转发目标"
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echo "--------------------------------------------------------"
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for service in $services; do
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port=$(echo $service | sed "s/${SERVICE_PREFIX}-//g" | sed 's/.service//g')
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status=$(systemctl is-active $service)
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if [[ "$status" == "active" ]]; then
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status_color="${GREEN}运行中${NC}"
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else
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status_color="${RED}已停止${NC}"
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fi
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# 从服务文件中提取目标信息
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target=$(grep ExecStart /etc/systemd/system/$service | grep -oP 'TCP4:\K[^ ]+')
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printf "%-15s %-20b %-30s\n" "$port" "$status_color" "$target"
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done
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}
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# 删除端口转发
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delete_forward() {
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echo -e "${GREEN}=== 删除端口转发 ===${NC}"
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read -p "请输入要删除的本机端口: " port
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if [[ -z "$port" ]]; then
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echo -e "${RED}错误: 端口不能为空${NC}"
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return 1
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fi
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service_name="${SERVICE_PREFIX}-${port}.service"
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if [[ ! -f "/etc/systemd/system/$service_name" ]]; then
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echo -e "${RED}错误: 端口 ${port} 的转发不存在${NC}"
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return 1
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fi
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systemctl stop $service_name
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systemctl disable $service_name
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rm -f /etc/systemd/system/$service_name
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systemctl daemon-reload
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echo -e "${GREEN}✓ 端口 ${port} 的转发已删除${NC}"
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}
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# 批量删除端口转发
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delete_batch_forward() {
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echo -e "${GREEN}=== 批量删除端口转发 ===${NC}"
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read -p "请输入起始端口: " start_port
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read -p "请输入结束端口: " end_port
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echo -e "${YELLOW}即将删除端口 ${start_port}-${end_port} 的转发...${NC}"
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read -p "确认继续? (y/n): " confirm
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if [[ "$confirm" != "y" ]]; then
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echo "操作已取消"
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return
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fi
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for port in $(seq $start_port $end_port); do
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service_name="${SERVICE_PREFIX}-${port}.service"
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if [[ -f "/etc/systemd/system/$service_name" ]]; then
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systemctl stop $service_name
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systemctl disable $service_name > /dev/null 2>&1
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rm -f /etc/systemd/system/$service_name
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echo -e "${GREEN}✓${NC} 端口 ${port} 的转发已删除"
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fi
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done
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systemctl daemon-reload
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echo -e "${GREEN}批量删除完成！${NC}"
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}
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# 主菜单
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main_menu() {
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while true; do
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echo ""
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echo -e "${GREEN}================================${NC}"
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echo -e "${GREEN} 端口转发管理脚本${NC}"
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echo -e "${GREEN}================================${NC}"
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echo "1. 添加单个端口转发"
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echo "2. 批量添加端口转发"
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echo "3. 查看所有转发"
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echo "4. 删除单个端口转发"
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echo "5. 批量删除端口转发"
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echo "6. 退出"
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echo -e "${GREEN}================================${NC}"
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read -p "请选择操作 [1-6]: " choice
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case $choice in
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1) add_single_forward ;;
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2) add_batch_forward ;;
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3) list_forwards ;;
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4) delete_forward ;;
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5) delete_batch_forward ;;
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6) echo "退出脚本"; exit 0 ;;
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*) echo -e "${RED}无效选择，请重新输入${NC}" ;;
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esac
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done
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}
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# 检查是否为 root
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if [[ $EUID -ne 0 ]]; then
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echo -e "${RED}此脚本必须以 root 权限运行${NC}"
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exit 1
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fi
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# 检查并安装 socat
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check_socat
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# 启动主菜单
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main_menu
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EOF
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# 设置执行权限
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chmod +x /root/port-forward.sh
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echo -e "\033[0;32m脚本已创建成功！\033[0m"
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echo "运行命令: bash /root/port-forward.sh"
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