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154
upgrade_openssh9.8p1.sh
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154
upgrade_openssh9.8p1.sh
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#!/bin/bash
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# 设置OpenSSH的版本号
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OPENSSH_VERSION="9.8p1"
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# 检测系统类型
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if [ -f /etc/os-release ]; then
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. /etc/os-release
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OS=$ID
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else
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echo "无法检测操作系统类型。"
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exit 1
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fi
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# 等待并检查锁文件
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wait_for_lock() {
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while fuser /var/lib/dpkg/lock-frontend >/dev/null 2>&1; do
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echo "等待dpkg锁释放..."
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sleep 1
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done
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}
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# 修复dpkg中断问题
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fix_dpkg() {
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DEBIAN_FRONTEND=noninteractive dpkg --configure -a
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}
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# 安装依赖包
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install_dependencies() {
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case $OS in
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ubuntu|debian)
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wait_for_lock
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fix_dpkg
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DEBIAN_FRONTEND=noninteractive apt update
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DEBIAN_FRONTEND=noninteractive apt install -y build-essential zlib1g-dev libssl-dev libpam0g-dev wget ntpdate -o Dpkg::Options::="--force-confnew"
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;;
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centos|rhel|fedora)
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yum install -y epel-release
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yum groupinstall -y "Development Tools"
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yum install -y zlib-devel openssl-devel pam-devel wget ntpdate
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;;
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alpine)
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apk add build-base zlib-dev openssl-dev pam-dev wget ntpdate
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;;
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*)
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echo "不支持的操作系统:$OS"
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exit 1
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;;
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esac
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}
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# 下载、编译和安装OpenSSH
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install_openssh() {
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wget --no-check-certificate https://cdn.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-${OPENSSH_VERSION}.tar.gz
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tar -xzf openssh-${OPENSSH_VERSION}.tar.gz
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cd openssh-${OPENSSH_VERSION}
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./configure
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make
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make install
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}
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# 重启SSH服务
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restart_ssh() {
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case $OS in
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ubuntu|debian)
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systemctl restart ssh
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;;
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centos|rhel|fedora)
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systemctl restart sshd
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;;
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alpine)
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rc-service sshd restart
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;;
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*)
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echo "不支持的操作系统:$OS"
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exit 1
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;;
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esac
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}
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# 设置路径优先级
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set_path_priority() {
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NEW_SSH_PATH=$(which sshd) # 假设新版本的sshd和ssh在同一个目录
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NEW_SSH_DIR=$(dirname "$NEW_SSH_PATH")
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if [[ ":$PATH:" != *":$NEW_SSH_DIR:"* ]]; then
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export PATH="$NEW_SSH_DIR:$PATH"
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echo "export PATH=\"$NEW_SSH_DIR:\$PATH\"" >> ~/.bashrc
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fi
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}
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# 验证更新
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verify_installation() {
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echo "SSH版本信息:"
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ssh -V
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sshd -V
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}
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# 清理下载的文件
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clean_up() {
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cd ..
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rm -rf openssh-${OPENSSH_VERSION}*
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}
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# 标题
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check_openssh_test() {
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echo "SSH高危漏洞修复工具"
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echo "--------------------------"
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}
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# 检查OpenSSH版本
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check_openssh_version() {
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current_version=$(ssh -V 2>&1 | awk '{print $1}' | cut -d_ -f2 | cut -d'p' -f1)
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# 版本范围
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min_version=8.5
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max_version=9.7
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if awk -v ver="$current_version" -v min="$min_version" -v max="$max_version" 'BEGIN{if(ver>=min && ver<=max) exit 0; else exit 1}'; then
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check_openssh_test
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echo "SSH版本: $current_version 在8.5到9.7之间,需要修复。"
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read -p "确定继续吗?(Y/N): " choice
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case "$choice" in
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[Yy])
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install_dependencies
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install_openssh
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restart_ssh
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set_path_priority
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verify_installation
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clean_up
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;;
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[Nn])
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echo "已取消"
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exit 1
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;;
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*)
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echo "无效的选择,请输入 Y 或 N。"
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exit 1
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;;
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esac
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else
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check_openssh_test
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echo "SSH版本: $current_version 不在8.5到9.7之间,无需修复。"
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exit 1
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fi
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}
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check_openssh_version
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