108 lines
3.2 KiB
Bash
108 lines
3.2 KiB
Bash
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#!/bin/bash
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# SSH反向隧道设置脚本
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echo "=== SSH反向隧道设置脚本 ==="
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# 1. 检查SSH客户端是否安装
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echo "1. 检查SSH客户端..."
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if command -v ssh &> /dev/null; then
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echo "✓ SSH客户端已安装: $(which ssh)"
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ssh -V
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else
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echo "✗ SSH客户端未安装，开始安装..."
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# 检测Linux发行版
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if [ -f /etc/redhat-release ]; then
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# CentOS/RHEL
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echo "检测到 CentOS/RHEL 系统"
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sudo yum install -y openssh-clients openssh-server
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elif [ -f /etc/debian_version ]; then
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# Debian/Ubuntu
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echo "检测到 Debian/Ubuntu 系统"
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sudo apt-get update
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sudo apt-get install -y openssh-client openssh-server
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elif [ -f /etc/arch-release ]; then
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# Arch Linux
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echo "检测到 Arch Linux 系统"
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sudo pacman -S --noconfirm openssh
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else
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echo "无法自动检测系统类型，请手动安装 openssh-client"
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exit 1
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fi
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# 验证安装
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if command -v ssh &> /dev/null; then
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echo "✓ SSH客户端安装成功"
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ssh -V
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else
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echo "✗ SSH客户端安装失败，请手动安装"
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exit 1
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fi
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fi
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echo ""
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echo "2. 检查SSH服务是否运行..."
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if systemctl is-active --quiet sshd || systemctl is-active --quiet ssh; then
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echo "✓ SSH服务正在运行"
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else
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echo "⚠ SSH服务未运行，启动SSH服务..."
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sudo systemctl start sshd 2>/dev/null || sudo systemctl start ssh
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sudo systemctl enable sshd 2>/dev/null || sudo systemctl enable ssh
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fi
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echo ""
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echo "3. 生成SSH密钥（如果不存在）..."
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if [ ! -f ~/.ssh/id_rsa ]; then
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echo "生成SSH密钥..."
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ssh-keygen -t rsa -b 2048 -f ~/.ssh/id_rsa -N ""
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echo "✓ SSH密钥已生成"
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else
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echo "✓ SSH密钥已存在"
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fi
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echo ""
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echo "4. 配置SSH密钥免密登录（可选）..."
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read -p "是否配置免密登录到阿里云服务器？(y/n): " setup_key
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if [ "$setup_key" = "y" ] || [ "$setup_key" = "Y" ]; then
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read -p "请输入阿里云服务器IP: " server_ip
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read -p "请输入阿里云服务器用户名（默认root）: " server_user
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server_user=${server_user:-root}
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echo "复制SSH公钥到阿里云服务器..."
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ssh-copy-id -p 22 ${server_user}@${server_ip}
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if [ $? -eq 0 ]; then
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echo "✓ 免密登录配置成功"
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else
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echo "⚠ 免密登录配置失败，请手动配置或使用密码登录"
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fi
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fi
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echo ""
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echo "5. 测试SSH连接..."
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read -p "请输入阿里云服务器IP（用于测试连接）: " test_ip
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read -p "请输入用户名（默认root）: " test_user
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test_user=${test_user:-root}
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echo "测试连接到 ${test_user}@${test_ip}..."
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ssh -o ConnectTimeout=5 -p 22 ${test_user}@${test_ip} "echo '连接成功！'"
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if [ $? -eq 0 ]; then
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echo "✓ SSH连接测试成功"
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else
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echo "✗ SSH连接测试失败，请检查："
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echo " - 网络连接是否正常"
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echo " - 阿里云服务器防火墙是否开放22端口"
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echo " - 用户名和密码是否正确"
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fi
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echo ""
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echo "=== 设置完成 ==="
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echo ""
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echo "使用方法："
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echo " 手动连接: ssh -fN -R 2222:localhost:22 root@123.56.98.4 -p 22"
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echo ""
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echo " 或者使用自动重连脚本（见下方）"
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