这是一个用于安装、配置、更新和管理 openppp2 服务的 Bash 脚本。脚本需要 root 权限才能执行，并提供菜单驱动的界面来执行各种操作。

自动(半自动):一键脚本，仅支持 x86

wget -4 -O ppp_install.sh https://raw.githubusercontent.com/zouazhi/zouazhi/main/ppp/ppp_install.sh && chmod +x ppp_install.sh && ./ppp_install.sh 

GitHub优化加速

wget -4 -O ppp_install.sh https://git.apad.pro/https://raw.githubusercontent.com/zouazhi/zouazhi/main/ppp/ppp_install.sh && chmod +x ppp_install.sh && ./ppp_install.sh 

脚本内容

#!/bin/bash
# =============================================================================
# openppp2 一键安装脚本（v3.6 智能最优版）
# 自动检测架构 + tc + io-uring + simd，选择最佳版本
# =============================================================================

set -o pipefail

# ==================== 颜色定义 ====================
RED='\033[31m'
GREEN='\033[32m'
YELLOW='\033[33m'
BLUE='\033[34m'
RESET='\033[0m'

print() { echo -e "${2:-$GREEN}$1${RESET}"; }

# ==================== 创建 ppp 快捷命令 ====================
create_ppp_shortcut() {
    if [ ! -f "/usr/local/bin/ppp" ]; then
        cat > /usr/local/bin/ppp << 'EOF'
#!/bin/bash
if [ -f "/root/ppp_install.sh" ]; then
    bash /root/ppp_install.sh
else
    echo "❌ 脚本文件不存在，请重新下载"
    echo "wget -4 -O /root/ppp_install.sh https://raw.githubusercontent.com/zouazhi/zouazhi/main/ppp/ppp_install.sh"
    echo "chmod +x /root/ppp_install.sh"
fi
EOF
        chmod +x /usr/local/bin/ppp
        print "✅ 已创建 ppp 快捷命令！以后直接输入 ppp 即可运行" $GREEN
    else
        print "✅ ppp 快捷命令已存在" $GREEN
    fi
}

# ==================== 系统能力检测 ====================
has_aesni() {
    grep -q 'aes' /proc/cpuinfo 2>/dev/null
}

kernel_supports_io_uring() {
    local major=$(uname -r | cut -d. -f1)
    local minor=$(uname -r | cut -d. -f2)
    [ "$major" -gt 5 ] || { [ "$major" -eq 5 ] && [ "$minor" -ge 1 ]; }
}

has_tc() {
    command -v tc >/dev/null 2>&1
}

# ==================== 自动选择最优版本 ====================
choose_best_zip() {
    local arch=$(uname -m)
    case "$arch" in
        x86_64|amd64)
            if kernel_supports_io_uring && has_aesni && has_tc; then
                echo "openppp2-linux-amd64-tc-io-uring-simd.zip"
            elif kernel_supports_io_uring && has_aesni; then
                echo "openppp2-linux-amd64-tc-io-uring-simd.zip"
            elif kernel_supports_io_uring && has_tc; then
                echo "openppp2-linux-amd64-tc-io-uring.zip"
            elif has_aesni && has_tc; then
                echo "openppp2-linux-amd64-tc-simd.zip"
            elif has_tc; then
                echo "openppp2-linux-amd64-tc.zip"
            else
                echo "openppp2-linux-amd64.zip"
            fi
            ;;
        aarch64|arm64)
            if kernel_supports_io_uring && has_tc; then
                echo "openppp2-linux-aarch64-tc-io-uring.zip"
            else
                echo "openppp2-linux-aarch64.zip"
            fi
            ;;
        armv7l|armv7)
            if kernel_supports_io_uring; then
                echo "openppp2-linux-armv7l-io-uring.zip"
            else
                echo "openppp2-linux-armv7l.zip"
            fi
            ;;
        mips|mipsel)   echo "openppp2-linux-mipsel.zip" ;;
        ppc64le|ppc64el) echo "openppp2-linux-ppc64el.zip" ;;
        riscv64)       echo "openppp2-linux-riscv64.zip" ;;
        s390x)         echo "openppp2-linux-s390x.zip" ;;
        *)
            print "❌ 不支持的架构: $arch" $RED
            exit 1
            ;;
    esac
}

# ==================== 下载函数 ====================
prompt_replace_file() {
    local target_path="$1"
    local url="$2"
    local desc="$3"

    mkdir -p "$(dirname "$target_path")"

    if [ -f "$target_path" ]; then
        print "⚠️  $desc 已存在" $YELLOW
        read -p "是否替换？(y/n，默认 n): " REPLACE
        if [[ ! "$REPLACE" =~ ^[Yy]$ ]]; then return 0; fi
    fi

    print "📥 正在下载 $desc ..." $BLUE
    if wget -4 --no-check-certificate -q --show-progress -O "$target_path" "$url"; then
        print "✅ $desc 下载完成" $GREEN
        return 0
    else
        print "❌ 下载失败！" $RED
        return 1
    fi
}

# ==================== 主菜单 ====================
while true; do
    clear
    print "=============== openppp2 一键脚本（v3.6 智能版）===============" $BLUE
    echo "1) 服务端 - 完整自动安装（推荐，自动最优版本）"
    echo "2) 服务端 - 配置系统服务（自行修改配置后使用）"
    echo "3) 通用 - 更新二进制文件（自动最优版本）"
    echo "4) 通用 - 重启服务"
    echo "5) 通用 - 停止服务"
    echo "6) 通用 - 查看运行状态（日志前50行）"
    echo "7) 通用 - 完全卸载"
    echo "8) 设置 ppp 快捷命令"
    echo "9) 更新本脚本"
    echo "10) 退出"
    read -p "请输入选项 [1-10]: " OPERATION

    case $OPERATION in
        1|3)
            print "🌍 是否使用国内加速代理 (git.apad.pro)？" $BLUE
            read -p "输入 y 使用加速，n 直连 (默认 y): " USE_PROXY
            if [[ "$USE_PROXY" =~ ^[Nn]$ ]]; then
                GITHUB_PROXY=""
                print "✅ 使用直连 GitHub" $YELLOW
            else
                GITHUB_PROXY="https://git.apad.pro/"
                print "✅ 已启用国内加速代理" $GREEN
            fi

            ZIP_NAME=$(choose_best_zip)
            print "🔍 自动选择最优版本：$ZIP_NAME" $BLUE

            mkdir -p /opt/ppp && cd /opt/ppp

            URL="${GITHUB_PROXY}https://github.com/liulilittle/openppp2/releases/latest/download/${ZIP_NAME}"
            prompt_replace_file "/opt/ppp/${ZIP_NAME}" "$URL" "$ZIP_NAME" || continue

            unzip -o "$ZIP_NAME" ppp -d . && chmod +x ppp && rm -f "$ZIP_NAME"
            print "✅ openppp2 最优版本处理完成" $GREEN

            if [ "$OPERATION" = "1" ]; then
                print "🔧 正在安装依赖..." $BLUE
                if command -v apt-get >/dev/null; then
                    apt-get update && apt-get install -y jq uuid-runtime unzip
                elif command -v dnf >/dev/null; then
                    dnf install -y jq util-linux unzip
                elif command -v yum >/dev/null; then
                    yum install -y jq util-linux unzip
                else
                    print "❌ 无法识别包管理器，请手动安装 jq uuid-runtime unzip" $RED
                    continue
                fi
                print "✅ 依赖安装完成" $GREEN

                prompt_replace_file "/opt/ppp/ppp.sh" "${GITHUB_PROXY}https://raw.githubusercontent.com/zouazhi/zouazhi/main/ppp/config/ppp.sh" "ppp.sh" || continue
                chmod +x ppp.sh

                read -p "是否自行修改 appsettings.json？(y/n，默认 n): " SELF
                if [[ "$SELF" =~ ^[Yy]$ ]]; then
                    print "请手动修改 /opt/ppp/appsettings.json 后，运行选项 2" $YELLOW
                    create_ppp_shortcut
                    continue
                fi

                prompt_replace_file "/opt/ppp/appsettings.json" "${GITHUB_PROXY}https://raw.githubusercontent.com/zouazhi/zouazhi/main/ppp/config/appsettings.json" "appsettings.json" || continue

                read -p "服务器 IP（默认 0.0.0.0）: " NEW_IP
                read -p "端口（默认 20000）: " NEW_PORT
                read -p "GUID（留空自动生成）: " NEW_GUID

                NEW_IP=${NEW_IP:-0.0.0.0}
                NEW_PORT=${NEW_PORT:-20000}
                [[ -z "$NEW_GUID" ]] && NEW_GUID=$(uuidgen)

                PROTOCOL_KEY=$(tr -dc 'a-zA-Z0-9' </dev/urandom | head -c 16)
                TRANSPORT_KEY=$(tr -dc 'a-zA-Z0-9' </dev/urandom | head -c 16)

                cp -f appsettings.json appsettings.json.bak 2>/dev/null

                jq --indent 4 \
                    --arg ip "$NEW_IP" --arg port "$NEW_PORT" --arg guid "$NEW_GUID" \
                    --arg pkey "$PROTOCOL_KEY" --arg tkey "$TRANSPORT_KEY" '
                    .tcp.listen.port = ($port|tonumber) |
                    .udp.listen.port = ($port|tonumber) |
                    .udp.static.servers[0] = ($ip + ":" + $port) |
                    .client.server = ("ppp://" + $ip + ":" + $port) |
                    .client.guid = $guid |
                    .key."protocol-key" = $pkey |
                    .key."transport-key" = $tkey
                ' appsettings.json > temp.json && mv temp.json appsettings.json

                prompt_replace_file "/etc/systemd/system/ppp.service" "${GITHUB_PROXY}https://raw.githubusercontent.com/zouazhi/zouazhi/main/ppp/config/ppp.service" "ppp.service" || continue

                chmod 644 /etc/systemd/system/ppp.service
                systemctl daemon-reload
                systemctl enable --now ppp.service

                if systemctl is-active --quiet ppp.service; then
                    print "🎉 安装成功！服务已启动" $GREEN
                    create_ppp_shortcut
                else
                    print "⚠️ 服务启动失败，请检查日志" $YELLOW
                fi
            fi
            ;;

        2)
            if [ ! -f "/opt/ppp/appsettings.json" ]; then
                print "❌ 未找到 appsettings.json，请先运行选项 1" $RED
                continue
            fi
            cd /opt/ppp || { print "❌ /opt/ppp 目录不存在" $RED; continue; }

            prompt_replace_file "/etc/systemd/system/ppp.service" \
                "${GITHUB_PROXY:-https://git.apad.pro/}https://raw.githubusercontent.com/zouazhi/zouazhi/main/ppp/config/ppp.service" \
                "ppp.service" || continue

            systemctl daemon-reload && systemctl enable --now ppp.service
            print "✅ 系统服务配置完成并启动" $GREEN
            ;;

        4) systemctl restart ppp.service && print "✅ 服务已重启" $GREEN ;;
        5) systemctl stop ppp.service && print "✅ 服务已停止" $GREEN ;;
        6)
            print "=== ppp.log（前 50 行）===" $BLUE
            if [ -f "/opt/ppp/ppp.log" ]; then
                head -n 50 /opt/ppp/ppp.log
            else
                print "日志文件不存在" $YELLOW
            fi
            echo
            print "=== ppp.service 状态 ===" $BLUE
            systemctl status ppp.service --no-pager -l
            ;;
        7)
            print "🗑️ 开始卸载..." $YELLOW
            systemctl stop ppp.service 2>/dev/null
            systemctl disable ppp.service 2>/dev/null
            rm -f /etc/systemd/system/ppp.service
            systemctl daemon-reload

            print "是否保留配置文件？（默认保留）" $BLUE
            read -p "输入 y 保留（默认），n 删除: " KEEP_CONFIG
            if [[ "$KEEP_CONFIG" =~ ^[Nn]$ ]]; then
                rm -rf /opt/ppp
                print "✅ 已删除所有文件" $GREEN
            else
                rm -f /opt/ppp/ppp /opt/ppp/ppp.sh /opt/ppp/openppp2-linux-*.zip 2>/dev/null
                print "✅ 已保留配置文件" $GREEN
            fi
            rm -f /usr/local/bin/ppp
            print "✅ 卸载完成" $GREEN
            exit 0
            ;;
        8)
            create_ppp_shortcut
            ;;
        9)
            print "🌍 更新本脚本 - 请选择方式" $BLUE
            echo "1) 使用国内加速 (推荐)"
            echo "2) 直连 GitHub"
            read -p "请输入 [1-2]（默认 1）: " UPDATE_MODE
            if [ "$UPDATE_MODE" = "2" ]; then
                UPDATE_URL="https://raw.githubusercontent.com/zouazhi/zouazhi/main/ppp/ppp_install.sh"
            else
                UPDATE_URL="https://git.apad.pro/https://raw.githubusercontent.com/zouazhi/zouazhi/main/ppp/ppp_install.sh"
            fi
            print "📥 正在下载最新脚本..." $BLUE
            wget -4 -O /root/ppp_install.sh "$UPDATE_URL" && chmod +x /root/ppp_install.sh
            if [ $? -eq 0 ]; then
                print "✅ 脚本更新成功！正在重新启动..." $GREEN
                exec /root/ppp_install.sh
            else
                print "❌ 更新失败" $RED
            fi
            ;;
        10)
            print "👋 退出脚本" $GREEN
            exit 0
            ;;
        *)
            print "❌ 无效选项" $RED
            ;;
    esac

    echo
    read -p "按 Enter 键返回主菜单..."
done