#!/bin/bash# SOCKS5代理服务器自动部署脚本（IPv6支持）# 检测root权限if [ "$EUID" -ne 0 ]; then    echo "❌ 请使用sudo或root用户运行脚本" >&2    exit 1fi# 安装依赖echo "🔧 安装必要组件..."apt update &> /dev/nullapt install -y dante-server netcat-openbsd curl &> /dev/null# 配置参数read -p "🛡️ 输入代理端口 (默认1080): " PORTPORT=${PORT:-1080}# 获取默认接口名称（IPv6优先，失败则用IPv4）INTERFACE=$(ip -6 route | awk '/default/ {print $5; exit}')[ -z "$INTERFACE" ] && INTERFACE=$(ip route | awk '/default/ {print $5; exit}')# 生成配置文件echo "📝 生成Dante配置文件..."cat > /etc/danted.conf <<EOFlogoutput: sysloginternal: 0.0.0.0 port = $PORTinternal: :: port = $PORTexternal: $INTERFACEclientmethod: nonesocksmethod: noneuser.privileged: rootuser.unprivileged: nobodyclient pass {    from: 0.0.0.0/0 to: 0.0.0.0/0    log: connect disconnect}client pass {    from: ::/0 to: ::/0    log: connect disconnect}socks pass {    from: 0.0.0.0/0 to: 0.0.0.0/0    log: connect disconnect}socks pass {    from: ::/0 to: ::/0    log: connect disconnect}EOF# 防火墙配置echo "🔥 配置防火墙..."if command -v ufw &> /dev/null; then    ufw allow $PORT/tcp &> /dev/nullelif command -v firewall-cmd &> /dev/null; then    firewall-cmd --permanent --add-port=$PORT/tcp &> /dev/null    firewall-cmd --reload &> /dev/nullfi# 启动服务echo "🚀 启动Dante服务..."systemctl restart dantedsystemctl enable danted &> /dev/null# 验证安装echo "✅ 安装完成，测试连接..."if nc -zv localhost $PORT &> /dev/null; then    IPV4=$(curl -s4 ifconfig.me)    IPV6=$(curl -s6 ifconfig.me)    echo "================================"    echo "SOCKS5代理服务器已就绪"    echo "IPv4地址: $IPV4"    echo "IPv6地址: $IPV6"    echo "端口: $PORT"    echo "认证: 无认证（免费）"    echo "================================"else    echo "❌ 服务启动失败，请检查配置" >&2    exit 1fi