Update 实时 history 监控
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187
实时 history 监控
187
实时 history 监控
@@ -1,20 +1,25 @@
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#!/bin/bash
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# 优化版实时命令监控脚本
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# 作者: 系统安全监控
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# 版本: 2.0
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# 优化版实时命令监控脚本 - 带IP地理位置查询
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# 版本: 2.1
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set -e # 遇到错误立即退出
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set -e
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### 配置区域 - 可根据需要修改 ###
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LOG_DIR="/root/command_monitor_logs" # 日志目录
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MAX_LOG_SIZE="100M" # 单个日志文件最大大小
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MAX_LOG_FILES=10 # 最大日志文件数量
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MEMORY_LIMIT="512M" # 内存使用限制
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CPU_LIMIT=90 # CPU使用率限制%
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CHECK_INTERVAL=300 # 系统检查间隔(秒)
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BACKUP_DAYS=7 # 日志保留天数
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CLEANUP_INTERVAL=3600 # 清理间隔(秒)
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### 配置区域 ###
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LOG_DIR="/root/command_monitor_logs"
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MAX_LOG_SIZE="10M"
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MAX_LOG_FILES=10
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MEMORY_LIMIT="512M"
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CPU_LIMIT=90
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CHECK_INTERVAL=300
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BACKUP_DAYS=7
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CLEANUP_INTERVAL=3600
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### IP地理位置配置 ###
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IP_API_SERVICE="ipapi" # 可选: ipapi, ipapi.co, ipinfo.io, 本地
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CACHE_IP_INFO=true # 缓存IP信息避免重复查询
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IP_CACHE_FILE="/tmp/ip_geo_cache.txt"
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CACHE_EXPIRE=3600 # 缓存过期时间(秒)
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### 颜色定义 ###
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RED='\033[0;31m'
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@@ -29,6 +34,8 @@ NC='\033[0m'
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SCRIPT_PID=$$
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MONITOR_PID=""
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LAST_CLEANUP=0
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CURRENT_LOG=""
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LATEST_LOG=""
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# 获取时间戳
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timestamp() {
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@@ -46,21 +53,114 @@ log_message() {
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"WARN") color="$YELLOW" ;;
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"INFO") color="$BLUE" ;;
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"SUCCESS") color="$GREEN" ;;
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"COMMAND") color="$CYAN" ;;
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esac
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echo -e "${color}[$(timestamp)] [$level] $message${NC}" | tee -a "$CURRENT_LOG"
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}
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# IP地理位置查询函数
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get_ip_location() {
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local ip="$1"
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# 检查缓存
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if [ "$CACHE_IP_INFO" = true ] && [ -f "$IP_CACHE_FILE" ]; then
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local cached_info=$(grep "^$ip|" "$IP_CACHE_FILE" | head -1)
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if [ -n "$cached_info" ]; then
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local cache_time=$(echo "$cached_info" | cut -d'|' -f2)
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local current_time=$(date +%s)
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if [ $((current_time - cache_time)) -lt $CACHE_EXPIRE ]; then
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echo "$cached_info" | cut -d'|' -f3-
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return 0
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fi
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fi
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fi
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local location_info=""
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# 使用多个API服务,优先使用免费的
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for api in $IP_API_SERVICE ipapi.co ipinfo.io; do
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case $api in
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ipapi)
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location_info=$(curl -s -m 5 "http://ip-api.com/json/$ip" | \
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jq -r '[.country, .regionName, .city, .isp] | join(", ")' 2>/dev/null || echo "")
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;;
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ipapi.co)
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location_info=$(curl -s -m 5 "https://ipapi.co/$ip/json/" | \
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jq -r '[.country_name, .region, .city, .org] | join(", ")' 2>/dev/null || echo "")
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;;
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ipinfo.io)
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location_info=$(curl -s -m 5 "https://ipinfo.io/$ip" | \
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jq -r '[.country, .region, .city, .org] | join(", ")' 2>/dev/null || echo "")
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;;
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esac
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if [ -n "$location_info" ] && [ "$location_info" != "null" ]; then
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break
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fi
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done
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# 如果API查询失败,使用本地IP库或返回简单信息
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if [ -z "$location_info" ] || [ "$location_info" = "null" ]; then
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location_info="未知位置"
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fi
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# 缓存结果
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if [ "$CACHE_IP_INFO" = true ]; then
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echo "$ip|$(date +%s)|$location_info" >> "$IP_CACHE_FILE"
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fi
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echo "$location_info"
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}
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# 简化版地理位置查询(避免依赖外部工具)
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get_simple_ip_location() {
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local ip="$1"
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# 检查常见IP段
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if [[ "$ip" == "192.168."* ]] || [[ "$ip" == "10."* ]] || [[ "$ip" == "172."* ]]; then
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echo "内网IP"
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return
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fi
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if [[ "$ip" == "127.0.0.1" ]] || [[ "$ip" == "localhost" ]]; then
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echo "本机"
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return
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fi
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# 使用whois查询(如果可用)
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if command -v whois &> /dev/null; then
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local whois_info=$(timeout 5 whois "$ip" 2>/dev/null | grep -iE "country:|descr:" | head -2 | \
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awk -F: '{print $2}' | sed 's/^ *//' | tr '\n' ',' | sed 's/,$//')
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if [ -n "$whois_info" ]; then
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echo "$whois_info"
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return
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fi
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fi
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# 使用ping方式获取粗略位置(通过TTL判断)
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local ttl=$(timeout 3 ping -c 1 "$ip" 2>/dev/null | grep "ttl=" | sed 's/.*ttl=\([0-9]*\).*/\1/' || echo "")
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if [ -n "$ttl" ]; then
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if [ "$ttl" -le 64 ]; then
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echo "Linux系统 - 可能较近"
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elif [ "$ttl" -le 128 ]; then
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echo "Windows系统 - 中等距离"
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else
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echo "远程主机 - 可能较远"
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fi
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else
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echo "位置未知"
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fi
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}
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# 获取客户端IP
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get_client_ip() {
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local ip="unknown"
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# 尝试多种方式获取IP
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if [ -n "$SSH_CLIENT" ]; then
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ip=$(echo "$SSH_CLIENT" | awk '{print $1}')
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elif [ -n "$SSH_CONNECTION" ]; then
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ip=$(echo "$SSH_CONNECTION" | awk '{print $1}')
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else
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# 获取当前连接的IP
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ip=$(who -m | awk '{print $5}' | sed 's/[()]//g' | head -1)
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if [[ "$ip" == ":0" ]] || [[ "$ip" == ":1" ]]; then
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ip="localhost"
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@@ -69,6 +169,25 @@ get_client_ip() {
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echo "$ip"
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}
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# 获取带地理位置的IP信息
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get_ip_with_location() {
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local ip="$1"
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local location=""
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# 先尝试完整查询
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if command -v curl &> /dev/null && command -v jq &> /dev/null; then
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location=$(get_ip_location "$ip")
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else
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location=$(get_simple_ip_location "$ip")
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fi
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if [ -n "$location" ] && [ "$location" != "未知位置" ]; then
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echo "$ip [$location]"
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else
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echo "$ip"
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fi
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}
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# 初始化日志系统
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init_log_system() {
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mkdir -p "$LOG_DIR"
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@@ -77,13 +196,19 @@ init_log_system() {
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local log_date=$(date '+%Y%m%d_%H%M%S')
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CURRENT_LOG="$LOG_DIR/command_monitor_${client_ip}_${log_date}.log"
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# 创建软链接指向最新日志
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LATEST_LOG="$LOG_DIR/latest.log"
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ln -sf "$CURRENT_LOG" "$LATEST_LOG"
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log_message "INFO" "监控脚本启动 - PID: $$"
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log_message "INFO" "客户端IP: $(get_client_ip)"
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log_message "INFO" "日志文件: $CURRENT_LOG"
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# 显示IP地理位置
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local client_ip_original=$(get_client_ip)
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if [ "$client_ip_original" != "unknown" ] && [ "$client_ip_original" != "localhost" ]; then
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local ip_location=$(get_ip_with_location "$client_ip_original")
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log_message "INFO" "地理位置: $ip_location"
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fi
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}
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# 资源监控函数
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@@ -181,12 +306,10 @@ log_rotation() {
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cleanup_on_exit() {
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log_message "INFO" "正在停止监控服务..."
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# 杀死所有子进程
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if [ -n "$MONITOR_PID" ]; then
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kill "$MONITOR_PID" 2>/dev/null || true
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fi
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# 杀死资源监控进程
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pkill -f "monitor_resources" 2>/dev/null || true
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log_message "SUCCESS" "监控服务已停止"
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@@ -212,7 +335,6 @@ export HISTTIMEFORMAT='%F %T '
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export HISTSIZE=10000
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export HISTFILESIZE=20000
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shopt -s histappend
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# 记录所有命令,包括时间戳
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export HISTCONTROL=ignoredups:erasedups
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EOF
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@@ -221,7 +343,7 @@ EOF
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log_message "INFO" "用户 $user 已配置实时记录"
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fi
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fi
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fi
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done
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done
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}
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@@ -229,7 +351,6 @@ EOF
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start_main_monitor() {
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log_message "INFO" "启动主监控进程..."
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# 声明关联数组来跟踪每个用户的文件状态
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declare -A file_sizes
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declare -A last_commands
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@@ -260,11 +381,9 @@ start_main_monitor() {
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local last_size=${file_sizes["$user"]}
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if [ "$current_size" -gt "$last_size" ]; then
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# 读取新内容
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local new_content=$(tail -c +$((last_size + 1)) "$history_file" 2>/dev/null | tr -d '\0')
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if [ -n "$new_content" ]; then
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# 逐行处理新命令
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while IFS= read -r line; do
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line=$(echo "$line" | sed 's/^[ \t]*//;s/[ \t]*$//')
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@@ -273,7 +392,10 @@ start_main_monitor() {
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[ "$line" != "${last_commands["$user"]}" ] && \
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[[ ! "$line" =~ ^(ls|cd|pwd|ll|la|history|exit|clear)$ ]]; then
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log_message "COMMAND" "用户: $user | 命令: $line | 来源: $(get_client_ip)"
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local client_ip=$(get_client_ip)
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local ip_with_location=$(get_ip_with_location "$client_ip")
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log_message "COMMAND" "用户: $user | 命令: $line | 来源: $ip_with_location"
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last_commands["$user"]="$line"
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fi
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done <<< "$new_content"
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@@ -292,11 +414,9 @@ start_main_monitor() {
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start_background_monitor() {
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log_message "INFO" "启动后台监控服务..."
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# 启动资源监控
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monitor_resources &
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local resource_pid=$!
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# 启动主监控
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start_main_monitor &
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MONITOR_PID=$!
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@@ -305,13 +425,12 @@ start_background_monitor() {
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log_message "INFO" "资源监控PID: $resource_pid"
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log_message "INFO" "查看实时日志: tail -f $LATEST_LOG"
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# 等待子进程
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wait $MONITOR_PID
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}
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# 显示使用说明
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show_usage() {
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echo -e "${GREEN}实时命令监控系统 v2.0${NC}"
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echo -e "${GREEN}实时命令监控系统 v2.1${NC}"
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echo "用法: $0 [选项]"
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echo
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echo "选项:"
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@@ -341,7 +460,6 @@ check_monitor_status() {
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echo "日志目录: $LOG_DIR"
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echo "最新日志: $LATEST_LOG"
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# 显示最近的活动
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if [ -f "$LATEST_LOG" ]; then
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echo
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echo -e "${YELLOW}最近10条记录:${NC}"
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@@ -362,7 +480,6 @@ stop_monitor() {
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kill $pids 2>/dev/null || true
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sleep 2
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# 检查是否停止成功
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if pgrep -f "command_monitor" >/dev/null; then
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echo -e "${RED}强制停止监控进程...${NC}"
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kill -9 $pids 2>/dev/null || true
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@@ -373,7 +490,15 @@ stop_monitor() {
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### 主程序 ###
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main() {
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# 参数处理
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# 检查依赖
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if ! command -v curl &> /dev/null; then
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echo -e "${YELLOW}警告: 未找到 curl,地理位置查询功能受限${NC}"
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fi
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if ! command -v jq &> /dev/null; then
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echo -e "${YELLOW}警告: 未找到 jq,使用简化版地理位置查询${NC}"
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fi
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case "${1:-}" in
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-d|--daemon)
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init_log_system
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