本贴废弃，不保证可用性

食用说明

实测Debian11系统能正常运行，应该也兼容Debian10、Ubuntu22等。

使用教程

首先创建一个 gost_manager.sh 的空白文件，把下方代码本体复制粘贴进去，然后保存一下文件，最后在命令行输入 chmod +x gost_manager.sh && ./gost_manager.sh 就可以运行了

更新日志

V1.1 脚本出生

代码本体

#!/bin/bash

SERVICE_FILE="/etc/systemd/system/gost.service"
GOST_BIN="/usr/local/bin/gost"
SERVICE_USER="gost"

# 创建服务文件
function create_service_file() {
    cat > "$SERVICE_FILE" <<EOF
[Unit]
Description=GOST Forwarding Service
After=network-online.target
Wants=network-online.target

[Service]
Type=simple
Restart=always
RestartSec=5s
User=$SERVICE_USER
Group=$SERVICE_USER
CapabilityBoundingSet=CAP_NET_BIND_SERVICE
AmbientCapabilities=CAP_NET_BIND_SERVICE
ExecStart=$GOST_BIN

[Install]
WantedBy=multi-user.target
EOF
}

# 验证端口输入
function input_valid_port() {
    while true; do
        read -p "$1" port
        if [[ $port =~ ^[0-9]+$ ]] && ((port > 0 && port < 65536)); then
            echo $port
            break
        fi
        echo "错误：端口号必须为1-65535之间的整数"
    done
}

# 显示当前转发规则
function show_forwards() {
    echo "当前转发规则:"
    if ! grep -qP '(?<=-L=:)\d+' "$SERVICE_FILE"; then
        echo "暂无转发规则。"
        return
    fi
    
    grep -oP '(?<=-L=:)\d+.*?(?=\s+-L|$)' "$SERVICE_FILE" | while read -r rule; do
        local_port=$(echo "$rule" | cut -d' ' -f1 | cut -d: -f2)
        remote=$(echo "$rule" | grep -oP '(?<=-F=).+')
        echo "本地端口: $local_port → 远程地址: $remote"
    done
}

# 安装GOST
function install_gost() {
    if [[ -f "$GOST_BIN" ]]; then
        echo "GOST 已安装，跳过安装步骤。"
        return
    fi

    echo "正在安装 GOST..."
    if ! wget -q --show-progress -O gost-linux-amd64-2.11.5.gz https://github.com/ginuerzh/gost/releases/download/v2.11.5/gost-linux-amd64-2.11.5.gz; then
        echo "下载失败，请检查网络连接"
        exit 1
    fi

    if ! gunzip gost-linux-amd64-2.11.5.gz; then
        echo "解压失败"
        exit 1
    fi

    mv gost-linux-amd64-2.11.5 "$GOST_BIN"
    chmod +x "$GOST_BIN"

    # 创建专用用户
    if ! id "$SERVICE_USER" &>/dev/null; then
        useradd -r -s /usr/sbin/nologin "$SERVICE_USER"
    fi

    echo "GOST 安装完成！"
}

# 添加转发规则
function add_forward() {
    local_port=$(input_valid_port "请输入本地监听端口: ")
    
    while true; do
        read -p "请输入远程地址(域名): " remote_host
        if [[ $remote_host =~ ^[a-zA-Z0-9.-]+$ ]]; then
            break
        fi
        echo "错误：请输入有效的域名"
    done
    
    remote_port=$(input_valid_port "请输入远程端口: ")

    if [ ! -f "$SERVICE_FILE" ]; then
        create_service_file
    fi

    current_cmd=$(grep 'ExecStart=' "$SERVICE_FILE" | cut -d= -f2-)
    new_cmd="${current_cmd} -L=:${local_port} -F=relay+tls://${remote_host}:${remote_port}"
    sed -i "s|^ExecStart=.*|ExecStart=$new_cmd|" "$SERVICE_FILE"

    systemctl daemon-reload
    if ! systemctl restart gost; then
        echo "服务启动失败，请检查配置"
        journalctl -u gost -n 10 --no-pager
        exit 1
    fi

    echo "GOST 转发添加完成！"
}

# 删除转发规则
function delete_forward() {
    del_port=$(input_valid_port "请输入要删除的本地监听端口: ")
    
    if ! sed -i "/-L=:${del_port}/d" "$SERVICE_FILE"; then
        echo "删除转发规则失败"
        exit 1
    fi

    if ! grep -q "-L" "$SERVICE_FILE"; then
        echo "已无转发规则，正在删除 GOST 服务..."
        rm -f "$SERVICE_FILE"
        systemctl daemon-reload
    fi

    systemctl restart gost 2>/dev/null || echo "GOST 服务未运行，无需重启。"
    echo "转发规则已删除！"
}

# 卸载GOST
function uninstall_gost() {
    echo "正在卸载 GOST..."
    systemctl stop gost 2>/dev/null
    systemctl disable gost 2>/dev/null
    rm -f "$GOST_BIN" "$SERVICE_FILE"
    userdel "$SERVICE_USER" 2>/dev/null
    systemctl daemon-reload
    echo "GOST 已卸载！"
}

# 主菜单
function main_menu() {
    echo "绿草地のGOST转发脚本(V1.1)"
    echo "请选择操作:"
    echo "1) 安装 GOST"
    echo "2) 添加转发"
    echo "3) 查看当前转发列表"
    echo "4) 删除转发"
    echo "5) 卸载 GOST"
    read -p "请输入选项 (1-5): " option

    case "$option" in
        1) install_gost ;;
        2) add_forward ;;
        3) show_forwards ;;
        4) delete_forward ;;
        5) uninstall_gost ;;
        *) echo "无效输入，退出。" && exit 1 ;;
    esac
}

# 检查root权限
if [[ $EUID -ne 0 ]]; then
   echo "错误：本脚本需要root权限运行" 
   exit 1
fi

main_menu