Linux 系统日常巡检脚本

Linux 系统日常巡检脚本，巡检内容包含了，磁盘，内存 cpu 进程 文件更改 用户登录等一系列的操作 直接用就行了。

报告以邮件发送到邮箱 在log下生成巡检报告。

  1. #!/bin/bash
  2. #主机信息每日巡检
  4. IPADDR=$(ifconfig eth0|grep 'inet addr'|awk -F '[ :]' '{print $13}')
  5. #环境变量PATH没设好，在cron里执行时有很多命令会找不到
  6. export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
  7. source /etc/profile
  9. [ $(id -u) -gt 0 ] && echo "请用root用户执行此脚本！" && exit 1
  10. centosVersion=$(awk '{print $(NF-1)}' /etc/redhat-release)
  11. VERSION="2020-03-16"
  13. #日志相关
  14. PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
  15. [ -f $PROGPATH ] && PROGPATH="."
  16. LOGPATH="$PROGPATH/log"
  17. [ -e $LOGPATH ] || mkdir $LOGPATH
  18. RESULTFILE="$LOGPATH/HostDailyCheck-$IPADDR-`date +%Y%m%d`.txt"
  21. #定义报表的全局变量
  22. report_DateTime="" #日期 ok
  23. report_Hostname="" #主机名 ok
  24. report_OSRelease="" #发行版本 ok
  25. report_Kernel="" #内核 ok
  26. report_Language="" #语言/编码 ok
  27. report_LastReboot="" #最近启动时间 ok
  28. report_Uptime="" #运行时间（天） ok
  29. report_CPUs="" #CPU数量 ok
  30. report_CPUType="" #CPU类型 ok
  31. report_Arch="" #CPU架构 ok
  32. report_MemTotal="" #内存总容量(MB) ok
  33. report_MemFree="" #内存剩余(MB) ok
  34. report_MemUsedPercent="" #内存使用率% ok
  35. report_DiskTotal="" #硬盘总容量(GB) ok
  36. report_DiskFree="" #硬盘剩余(GB) ok
  37. report_DiskUsedPercent="" #硬盘使用率% ok
  38. report_InodeTotal="" #Inode总量 ok
  39. report_InodeFree="" #Inode剩余 ok
  40. report_InodeUsedPercent="" #Inode使用率 ok
  41. report_IP="" #IP地址 ok
  42. report_MAC="" #MAC地址 ok
  43. report_Gateway="" #默认网关 ok
  44. report_DNS="" #DNS ok
  45. report_Listen="" #监听 ok
  46. report_Selinux="" #Selinux ok
  47. report_Firewall="" #防火墙 ok
  48. report_USERs="" #用户 ok
  49. report_USEREmptyPassword="" #空密码用户 ok
  50. report_USERTheSameUID="" #相同ID的用户 ok 
  51. report_PasswordExpiry="" #密码过期（天） ok
  52. report_RootUser="" #root用户 ok
  53. report_Sudoers="" #sudo授权 ok
  54. report_SSHAuthorized="" #SSH信任主机 ok
  55. report_SSHDProtocolVersion="" #SSH协议版本 ok
  56. report_SSHDPermitRootLogin="" #允许root远程登录 ok
  57. report_DefunctProsess="" #僵尸进程数量 ok
  58. report_SelfInitiatedService="" #自启动服务数量 ok
  59. report_SelfInitiatedProgram="" #自启动程序数量 ok
  60. report_RuningService="" #运行中服务数 ok
  61. report_Crontab="" #计划任务数 ok
  62. report_Syslog="" #日志服务 ok
  63. report_SNMP="" #SNMP OK
  64. report_NTP="" #NTP ok
  65. report_JDK="" #JDK版本 ok
  66. function version(){
  67. echo ""
  68. echo ""
  69. echo "系统巡检脚本：Version $VERSION"
  70. }
  72. function getCpuStatus(){
  73. echo ""
  74. echo ""
  75. echo "############################ CPU检查 #############################"
  76. Physical_CPUs=$(grep "physical id" /proc/cpuinfo| sort | uniq | wc -l)
  77. Virt_CPUs=$(grep "processor" /proc/cpuinfo | wc -l)
  78. CPU_Kernels=$(grep "cores" /proc/cpuinfo|uniq| awk -F ': ' '{print $2}')
  79. CPU_Type=$(grep "model name" /proc/cpuinfo | awk -F ': ' '{print $2}' | sort | uniq)
  80. CPU_Arch=$(uname -m)
  81. echo "物理CPU个数:$Physical_CPUs"
  82. echo "逻辑CPU个数:$Virt_CPUs"
  83. echo "每CPU核心数:$CPU_Kernels"
  84. echo " CPU型号:$CPU_Type"
  85. echo " CPU架构:$CPU_Arch"
  86. #报表信息
  87. report_CPUs=$Virt_CPUs #CPU数量
  88. report_CPUType=$CPU_Type #CPU类型
  89. report_Arch=$CPU_Arch #CPU架构
  90. }
  92. function getMemStatus(){
  93. echo ""
  94. echo ""
  95. echo "############################ 内存检查 ############################"
  96. if [[ $centosVersion < 7 ]];then
  97. free -mo
  98. else
  99. free -h
  100. fi
  101. #报表信息
  102. MemTotal=$(grep MemTotal /proc/meminfo| awk '{print $2}') #KB
  103. MemFree=$(grep MemFree /proc/meminfo| awk '{print $2}') #KB
  104. let MemUsed=MemTotal-MemFree
  105. MemPercent=$(awk "BEGIN {if($MemTotal==0){printf 100}else{printf \"%.2f\",$MemUsed*100/$MemTotal}}")
  106. report_MemTotal="$((MemTotal/1024))""MB" #内存总容量(MB)
  107. report_MemFree="$((MemFree/1024))""MB" #内存剩余(MB)
  108. report_MemUsedPercent="$(awk "BEGIN {if($MemTotal==0){printf 100}else{printf \"%.2f\",$MemUsed*100/$MemTotal}}")""%" #内存使用率%
  109. }
  110. function getDiskStatus(){
  111. echo ""
  112. echo ""
  113. echo "############################ 磁盘检查 ############################"
  114. df -hiP | sed 's/Mounted on/Mounted/'> /tmp/inode
  115. df -hTP | sed 's/Mounted on/Mounted/'> /tmp/disk 
  116. join /tmp/disk /tmp/inode | awk '{print $1,$2,"|",$3,$4,$5,$6,"|",$8,$9,$10,$11,"|",$12}'| column -t
  117. #报表信息
  118. diskdata=$(df -TP | sed '1d' | awk '$2!="tmpfs"{print}') #KB
  119. disktotal=$(echo "$diskdata" | awk '{total+=$3}END{print total}') #KB
  120. diskused=$(echo "$diskdata" | awk '{total+=$4}END{print total}') #KB
  121. diskfree=$((disktotal-diskused)) #KB
  122. diskusedpercent=$(echo $disktotal $diskused | awk '{if($1==0){printf 100}else{printf "%.2f",$2*100/$1}}') 
  123. inodedata=$(df -iTP | sed '1d' | awk '$2!="tmpfs"{print}')
  124. inodetotal=$(echo "$inodedata" | awk '{total+=$3}END{print total}')
  125. inodeused=$(echo "$inodedata" | awk '{total+=$4}END{print total}')
  126. inodefree=$((inodetotal-inodeused))
  127. inodeusedpercent=$(echo $inodetotal $inodeused | awk '{if($1==0){printf 100}else{printf "%.2f",$2*100/$1}}')
  128. report_DiskTotal=$((disktotal/1024/1024))"GB" #硬盘总容量(GB)
  129. report_DiskFree=$((diskfree/1024/1024))"GB" #硬盘剩余(GB)
  130. report_DiskUsedPercent="$diskusedpercent""%" #硬盘使用率%
  131. report_InodeTotal=$((inodetotal/1000))"K" #Inode总量
  132. report_InodeFree=$((inodefree/1000))"K" #Inode剩余
  133. report_InodeUsedPercent="$inodeusedpercent""%" #Inode使用率%
  135. }
  137. function getSystemStatus(){
  138. echo ""
  139. echo ""
  140. echo "############################ 系统检查 ############################"
  141. if [ -e /etc/sysconfig/i18n ];then
  142. default_LANG="$(grep "LANG=" /etc/sysconfig/i18n | grep -v "^#" | awk -F '"' '{print $2}')"
  143. else
  144. default_LANG=$LANG
  145. fi
  146. export LANG="en_US.UTF-8"
  147. Release=$(cat /etc/redhat-release 2>/dev/null)
  148. Kernel=$(uname -r)
  149. OS=$(uname -o)
  150. Hostname=$(uname -n)
  151. SELinux=$(/usr/sbin/sestatus | grep "SELinux status: " | awk '{print $3}')
  152. LastReboot=$(who -b | awk '{print $3,$4}')
  153. uptime=$(uptime | sed 's/.*up \([^,]*\), .*/\1/')
  154. echo " 系统：$OS"
  155. echo " 发行版本：$Release"
  156. echo " 内核：$Kernel"
  157. echo " 主机名：$Hostname"
  158. echo " SELinux：$SELinux"
  159. echo "语言/编码：$default_LANG"
  160. echo " 当前时间：$(date +'%F %T')"
  161. echo " 最后启动：$LastReboot"
  162. echo " 运行时间：$uptime"
  163. #报表信息
  164. report_DateTime=$(date +"%F %T") #日期
  165. report_Hostname="$Hostname" #主机名
  166. report_OSRelease="$Release" #发行版本
  167. report_Kernel="$Kernel" #内核
  168. report_Language="$default_LANG" #语言/编码
  169. report_LastReboot="$LastReboot" #最近启动时间
  170. report_Uptime="$uptime" #运行时间（天）
  171. report_Selinux="$SELinux"
  172. export LANG="$default_LANG"
  174. }
  176. function getServiceStatus(){
  177. echo ""
  178. echo ""
  179. echo "############################ 服务检查 ############################"
  180. echo ""
  181. if [[ $centosVersion > 7 ]];then
  182. conf=$(systemctl list-unit-files --type=service --state=enabled --no-pager | grep "enabled")
  183. process=$(systemctl list-units --type=service --state=running --no-pager | grep ".service")
  184. #报表信息
  185. report_SelfInitiatedService="$(echo "$conf" | wc -l)" #自启动服务数量
  186. report_RuningService="$(echo "$process" | wc -l)" #运行中服务数量
  187. else
  188. conf=$(/sbin/chkconfig | grep -E ":on|:启用")
  189. process=$(/sbin/service --status-all 2>/dev/null | grep -E "is running|正在运行")
  190. #报表信息
  191. report_SelfInitiatedService="$(echo "$conf" | wc -l)" #自启动服务数量
  192. report_RuningService="$(echo "$process" | wc -l)" #运行中服务数量
  193. fi
  194. echo "服务配置"
  195. echo "--------"
  196. echo "$conf" | column -t
  197. echo ""
  198. echo "正在运行的服务"
  199. echo "--------------"
  200. echo "$process"
  202. }
  205. function getAutoStartStatus(){
  206. echo ""
  207. echo ""
  208. echo "############################ 自启动检查 ##########################"
  209. conf=$(grep -v "^#" /etc/rc.d/rc.local| sed '/^$/d')
  210. echo "$conf"
  211. #报表信息
  212. report_SelfInitiatedProgram="$(echo $conf | wc -l)" #自启动程序数量
  213. }
  215. function getLoginStatus(){
  216. echo ""
  217. echo ""
  218. echo "############################ 登录检查 ############################"
  219. last | head
  220. }
  222. function getNetworkStatus(){
  223. echo ""
  224. echo ""
  225. echo "############################ 网络检查 ############################"
  226. if [[ $centosVersion < 7 ]];then
  227. /sbin/ifconfig -a | grep -v packets | grep -v collisions | grep -v inet6
  228. else
  229. #ip a
  230. for i in $(ip link | grep BROADCAST | awk -F: '{print $2}');do ip add show $i | grep -E "BROADCAST|global"| awk '{print $2}' | tr '\n' ' ' ;echo "" ;done
  231. fi
  232. GATEWAY=$(ip route | grep default | awk '{print $3}')
  233. DNS=$(grep nameserver /etc/resolv.conf| grep -v "#" | awk '{print $2}' | tr '\n' ',' | sed 's/,$//')
  234. echo ""
  235. echo "网关：$GATEWAY "
  236. echo " DNS：$DNS"
  237. #报表信息
  238. IP=$(ip -f inet addr | grep -v 127.0.0.1 | grep inet | awk '{print $NF,$2}' | tr '\n' ',' | sed 's/,$//')
  239. MAC=$(ip link | grep -v "LOOPBACK\|loopback" | awk '{print $2}' | sed 'N;s/\n//' | tr '\n' ',' | sed 's/,$//')
  240. report_IP="$IP" #IP地址
  241. report_MAC=$MAC #MAC地址
  242. report_Gateway="$GATEWAY" #默认网关
  243. report_DNS="$DNS" #DNS
  244. }
  246. function getListenStatus(){
  247. echo ""
  248. echo ""
  249. echo "############################ 监听检查 ############################"
  250. TCPListen=$(ss -ntul | column -t)
  251. echo "$TCPListen"
  252. #报表信息
  253. report_Listen="$(echo "$TCPListen"| sed '1d' | awk '/tcp/ {print $5}' | awk -F: '{print $NF}' | sort | uniq | wc -l)"
  254. }
  256. function getCronStatus(){
  257. echo ""
  258. echo ""
  259. echo "############################ 计划任务检查 ########################"
  260. Crontab=0
  261. for shell in $(grep -v "/sbin/nologin" /etc/shells);do
  262. for user in $(grep "$shell" /etc/passwd| awk -F: '{print $1}');do
  263. crontab -l -u $user >/dev/null 2>&1
  264. status=$?
  265. if [ $status -eq 0 ];then
  266. echo "$user"
  267. echo "--------"
  268. crontab -l -u $user
  269. let Crontab=Crontab+$(crontab -l -u $user | wc -l)
  270. echo ""
  271. fi
  272. done
  273. done
  274. #计划任务
  275. find /etc/cron* -type f | xargs -i ls -l {} | column -t
  276. let Crontab=Crontab+$(find /etc/cron* -type f | wc -l)
  277. #报表信息
  278. report_Crontab="$Crontab" #计划任务数
  279. }
  280. function getHowLongAgo(){
  281. # 计算一个时间戳离现在有多久了
  282. datetime="$*"
  283. [ -z "$datetime" ] && echo "错误的参数：getHowLongAgo() $*"
  284. Timestamp=$(date +%s -d "$datetime") #转化为时间戳
  285. Now_Timestamp=$(date +%s)
  286. Difference_Timestamp=$(($Now_Timestamp-$Timestamp))
  287. days=0;hours=0;minutes=0;
  288. sec_in_day=$((60*60*24));
  289. sec_in_hour=$((60*60));
  290. sec_in_minute=60
  291. while (( $(($Difference_Timestamp-$sec_in_day)) > 1 ))
  292. do
  293. let Difference_Timestamp=Difference_Timestamp-sec_in_day
  294. let days++
  295. done
  296. while (( $(($Difference_Timestamp-$sec_in_hour)) > 1 ))
  297. do
  298. let Difference_Timestamp=Difference_Timestamp-sec_in_hour
  299. let hours++
  300. done
  301. echo "$days 天 $hours 小时前"
  302. }
  304. function getUserLastLogin(){
  305. # 获取用户最近一次登录的时间，含年份
  306. # 很遗憾last命令不支持显示年份，只有"last -t YYYYMMDDHHMMSS"表示某个时间之间的登录，我
  307. # 们只能用最笨的方法了，对比今天之前和今年元旦之前（或者去年之前和前年之前……）某个用户
  308. # 登录次数，如果登录统计次数有变化，则说明最近一次登录是今年。
  309. username=$1
  310. : ${username:="`whoami`"}
  311. thisYear=$(date +%Y)
  312. oldesYear=$(last | tail -n1 | awk '{print $NF}')
  313. while(( $thisYear >= $oldesYear));do
  314. loginBeforeToday=$(last $username | grep $username | wc -l)
  315. loginBeforeNewYearsDayOfThisYear=$(last $username -t $thisYear"0101000000" | grep $username | wc -l)
  316. if [ $loginBeforeToday -eq 0 ];then
  317. echo "从未登录过"
  318. break
  319. elif [ $loginBeforeToday -gt $loginBeforeNewYearsDayOfThisYear ];then
  320. lastDateTime=$(last -i $username | head -n1 | awk '{for(i=4;i<(NF-2);i++)printf"%s ",$i}')" $thisYear" #格式如: Sat Nov 2 20:33 2015
  321. lastDateTime=$(date "+%Y-%m-%d %H:%M:%S" -d "$lastDateTime")
  322. echo "$lastDateTime"
  323. break
  324. else
  325. thisYear=$((thisYear-1))
  326. fi
  327. done
  329. }
  331. function getUserStatus(){
  332. echo ""
  333. echo ""
  334. echo "############################ 用户检查 ############################"
  335. #/etc/passwd 最后修改时间
  336. pwdfile="$(cat /etc/passwd)"
  337. Modify=$(stat /etc/passwd | grep Modify | tr '.' ' ' | awk '{print $2,$3}')
  339. echo "/etc/passwd 最后修改时间：$Modify ($(getHowLongAgo $Modify))"
  340. echo ""
  341. echo "特权用户"
  342. echo "--------"
  343. RootUser=""
  344. for user in $(echo "$pwdfile" | awk -F: '{print $1}');do
  345. if [ $(id -u $user) -eq 0 ];then
  346. echo "$user"
  347. RootUser="$RootUser,$user"
  348. fi
  349. done
  350. echo ""
  351. echo "用户列表"
  352. echo "--------"
  353. USERs=0
  354. echo "$(
  355. echo "用户名 UID GID HOME SHELL 最后一次登录"
  356. for shell in $(grep -v "/sbin/nologin" /etc/shells);do
  357. for username in $(grep "$shell" /etc/passwd| awk -F: '{print $1}');do
  358. userLastLogin="$(getUserLastLogin $username)"
  359. echo "$pwdfile" | grep -w "$username" |grep -w "$shell"| awk -F: -v lastlogin="$(echo "$userLastLogin" | tr ' ' '_')" '{print $1,$3,$4,$6,$7,lastlogin}'
  360. done
  361. let USERs=USERs+$(echo "$pwdfile" | grep "$shell"| wc -l)
  362. done
  363. )" | column -t
  364. echo ""
  365. echo "空密码用户"
  366. echo "----------"
  367. USEREmptyPassword=""
  368. for shell in $(grep -v "/sbin/nologin" /etc/shells);do
  369. for user in $(echo "$pwdfile" | grep "$shell" | cut -d: -f1);do
  370. r=$(awk -F: '$2=="!!"{print $1}' /etc/shadow | grep -w $user)
  371. if [ ! -z $r ];then
  372. echo $r
  373. USEREmptyPassword="$USEREmptyPassword,"$r
  374. fi
  375. done 
  376. done
  377. echo ""
  378. echo "相同ID的用户"
  379. echo "------------"
  380. USERTheSameUID=""
  381. UIDs=$(cut -d: -f3 /etc/passwd | sort | uniq -c | awk '$1>1{print $2}')
  382. for uid in $UIDs;do
  383. echo -n "$uid";
  384. USERTheSameUID="$uid"
  385. r=$(awk -F: 'ORS="";$3=='"$uid"'{print ":",$1}' /etc/passwd)
  386. echo "$r"
  387. echo ""
  388. USERTheSameUID="$USERTheSameUID $r,"
  389. done
  390. #报表信息
  391. report_USERs="$USERs" #用户
  392. report_USEREmptyPassword=$(echo $USEREmptyPassword | sed 's/^,//') 
  393. report_USERTheSameUID=$(echo $USERTheSameUID | sed 's/,$//') 
  394. report_RootUser=$(echo $RootUser | sed 's/^,//') #特权用户
  395. }
  398. function getPasswordStatus {
  399. echo ""
  400. echo ""
  401. echo "############################ 密码检查 ############################"
  402. pwdfile="$(cat /etc/passwd)"
  403. echo ""
  404. echo "密码过期检查"
  405. echo "------------"
  406. result=""
  407. for shell in $(grep -v "/sbin/nologin" /etc/shells);do
  408. for user in $(echo "$pwdfile" | grep "$shell" | cut -d: -f1);do
  409. get_expiry_date=$(/usr/bin/chage -l $user | grep 'Password expires' | cut -d: -f2)
  410. if [[ $get_expiry_date = ' never' || $get_expiry_date = 'never' ]];then
  411. printf "%-15s 永不过期\n" $user
  412. result="$result,$user:never"
  413. else
  414. password_expiry_date=$(date -d "$get_expiry_date" "+%s")
  415. current_date=$(date "+%s")
  416. diff=$(($password_expiry_date-$current_date))
  417. let DAYS=$(($diff/(60*60*24)))
  418. printf "%-15s %s天后过期\n" $user $DAYS
  419. result="$result,$user:$DAYS days"
  420. fi
  421. done
  422. done
  423. report_PasswordExpiry=$(echo $result | sed 's/^,//')
  425. echo ""
  426. echo "密码策略检查"
  427. echo "------------"
  428. grep -v "#" /etc/login.defs | grep -E "PASS_MAX_DAYS|PASS_MIN_DAYS|PASS_MIN_LEN|PASS_WARN_AGE"
  431. }
  433. function getSudoersStatus(){
  434. echo ""
  435. echo ""
  436. echo "############################ Sudoers检查 #########################"
  437. conf=$(grep -v "^#" /etc/sudoers| grep -v "^Defaults" | sed '/^$/d')
  438. echo "$conf"
  439. echo ""
  440. #报表信息
  441. report_Sudoers="$(echo $conf | wc -l)"
  442. }
  444. function getInstalledStatus(){
  445. echo ""
  446. echo ""
  447. echo "############################ 软件检查 ############################"
  448. rpm -qa --last | head | column -t 
  449. }
  451. function getProcessStatus(){
  452. echo ""
  453. echo ""
  454. echo "############################ 进程检查 ############################"
  455. if [ $(ps -ef | grep defunct | grep -v grep | wc -l) -ge 1 ];then
  456. echo ""
  457. echo "僵尸进程";
  458. echo "--------"
  459. ps -ef | head -n1
  460. ps -ef | grep defunct | grep -v grep
  461. fi
  462. echo ""
  463. echo "内存占用TOP10"
  464. echo "-------------"
  465. echo -e "PID %MEM RSS COMMAND
  466. $(ps aux | awk '{print $2, $4, $6, $11}' | sort -k3rn | head -n 10 )"| column -t 
  467. echo ""
  468. echo "CPU占用TOP10"
  469. echo "------------"
  470. top b -n1 | head -17 | tail -11
  471. #报表信息
  472. report_DefunctProsess="$(ps -ef | grep defunct | grep -v grep|wc -l)"
  473. }
  475. function getJDKStatus(){
  476. echo ""
  477. echo ""
  478. echo "############################ JDK检查 #############################"
  479. java -version 2>/dev/null
  480. if [ $? -eq 0 ];then
  481. java -version 2>&1
  482. fi
  483. echo "JAVA_HOME=\"$JAVA_HOME\""
  484. #报表信息
  485. report_JDK="$(java -version 2>&1 | grep version | awk '{print $1,$3}' | tr -d '"')"
  486. }
  487. function getSyslogStatus(){
  488. echo ""
  489. echo ""
  490. echo "############################ syslog检查 ##########################"
  491. echo "服务状态：$(getState rsyslog)"
  492. echo ""
  493. echo "/etc/rsyslog.conf"
  494. echo "-----------------"
  495. cat /etc/rsyslog.conf 2>/dev/null | grep -v "^#" | grep -v "^\\$" | sed '/^$/d' | column -t
  496. #报表信息
  497. report_Syslog="$(getState rsyslog)"
  498. }
  499. function getFirewallStatus(){
  500. echo ""
  501. echo ""
  502. echo "############################ 防火墙检查 ##########################"
  503. #防火墙状态，策略等
  504. if [[ $centosVersion < 7 ]];then
  505. /etc/init.d/iptables status >/dev/null 2>&1
  506. status=$?
  507. if [ $status -eq 0 ];then
  508. s="active"
  509. elif [ $status -eq 3 ];then
  510. s="inactive"
  511. elif [ $status -eq 4 ];then
  512. s="permission denied"
  513. else
  514. s="unknown"
  515. fi
  516. else
  517. s="$(getState iptables)"
  518. fi
  519. echo "iptables: $s"
  520. echo ""
  521. echo "/etc/sysconfig/iptables"
  522. echo "-----------------------"
  523. cat /etc/sysconfig/iptables 2>/dev/null
  524. #报表信息
  525. report_Firewall="$s"
  526. }
  528. function getSNMPStatus(){
  529. #SNMP服务状态，配置等
  530. echo ""
  531. echo ""
  532. echo "############################ SNMP检查 ############################"
  533. status="$(getState snmpd)"
  534. echo "服务状态：$status"
  535. echo ""
  536. if [ -e /etc/snmp/snmpd.conf ];then
  537. echo "/etc/snmp/snmpd.conf"
  538. echo "--------------------"
  539. cat /etc/snmp/snmpd.conf 2>/dev/null | grep -v "^#" | sed '/^$/d'
  540. fi
  541. #报表信息
  542. report_SNMP="$(getState snmpd)"
  543. }
  547. function getState(){
  548. if [[ $centosVersion < 7 ]];then
  549. if [ -e "/etc/init.d/$1" ];then
  550. if [ `/etc/init.d/$1 status 2>/dev/null | grep -E "is running|正在运行" | wc -l` -ge 1 ];then
  551. r="active"
  552. else
  553. r="inactive"
  554. fi
  555. else
  556. r="unknown"
  557. fi
  558. else
  559. #CentOS 7+
  560. r="$(systemctl is-active $1 2>&1)"
  561. fi
  562. echo "$r"
  563. }
  565. function getSSHStatus(){
  566. #SSHD服务状态，配置,受信任主机等
  567. echo ""
  568. echo ""
  569. echo "############################ SSH检查 #############################"
  570. #检查受信任主机
  571. pwdfile="$(cat /etc/passwd)"
  572. echo "服务状态：$(getState sshd)"
  573. Protocol_Version=$(cat /etc/ssh/sshd_config | grep Protocol | awk '{print $2}')
  574. echo "SSH协议版本：$Protocol_Version"
  575. echo ""
  576. echo "信任主机"
  577. echo "--------"
  578. authorized=0
  579. for user in $(echo "$pwdfile" | grep /bin/bash | awk -F: '{print $1}');do
  580. authorize_file=$(echo "$pwdfile" | grep -w $user | awk -F: '{printf $6"/.ssh/authorized_keys"}')
  581. authorized_host=$(cat $authorize_file 2>/dev/null | awk '{print $3}' | tr '\n' ',' | sed 's/,$//')
  582. if [ ! -z $authorized_host ];then
  583. echo "$user 授权 \"$authorized_host\" 无密码访问"
  584. fi
  585. let authorized=authorized+$(cat $authorize_file 2>/dev/null | awk '{print $3}'|wc -l)
  586. done
  588. echo ""
  589. echo "是否允许ROOT远程登录"
  590. echo "--------------------"
  591. config=$(cat /etc/ssh/sshd_config | grep PermitRootLogin)
  592. firstChar=${config:0:1}
  593. if [ $firstChar == "#" ];then
  594. PermitRootLogin="yes" #默认是允许ROOT远程登录的
  595. else
  596. PermitRootLogin=$(echo $config | awk '{print $2}')
  597. fi
  598. echo "PermitRootLogin $PermitRootLogin"
  600. echo ""
  601. echo "/etc/ssh/sshd_config"
  602. echo "--------------------"
  603. cat /etc/ssh/sshd_config | grep -v "^#" | sed '/^$/d'
  605. #报表信息
  606. report_SSHAuthorized="$authorized" #SSH信任主机
  607. report_SSHDProtocolVersion="$Protocol_Version" #SSH协议版本
  608. report_SSHDPermitRootLogin="$PermitRootLogin" #允许root远程登录
  609. }
  610. function getNTPStatus(){
  611. #NTP服务状态，当前时间，配置等
  612. echo ""
  613. echo ""
  614. echo "############################ NTP检查 #############################"
  615. if [ -e /etc/ntp.conf ];then
  616. echo "服务状态：$(getState ntpd)"
  617. echo ""
  618. echo "/etc/ntp.conf"
  619. echo "-------------"
  620. cat /etc/ntp.conf 2>/dev/null | grep -v "^#" | sed '/^$/d'
  621. fi
  622. #报表信息
  623. report_NTP="$(getState ntpd)"
  624. }
  627. function uploadHostDailyCheckReport(){
  628. json="{
  629. \"DateTime\":\"$report_DateTime\",
  630. \"Hostname\":\"$report_Hostname\",
  631. \"OSRelease\":\"$report_OSRelease\",
  632. \"Kernel\":\"$report_Kernel\",
  633. \"Language\":\"$report_Language\",
  634. \"LastReboot\":\"$report_LastReboot\",
  635. \"Uptime\":\"$report_Uptime\",
  636. \"CPUs\":\"$report_CPUs\",
  637. \"CPUType\":\"$report_CPUType\",
  638. \"Arch\":\"$report_Arch\",
  639. \"MemTotal\":\"$report_MemTotal\",
  640. \"MemFree\":\"$report_MemFree\",
  641. \"MemUsedPercent\":\"$report_MemUsedPercent\",
  642. \"DiskTotal\":\"$report_DiskTotal\",
  643. \"DiskFree\":\"$report_DiskFree\",
  644. \"DiskUsedPercent\":\"$report_DiskUsedPercent\",
  645. \"InodeTotal\":\"$report_InodeTotal\",
  646. \"InodeFree\":\"$report_InodeFree\",
  647. \"InodeUsedPercent\":\"$report_InodeUsedPercent\",
  648. \"IP\":\"$report_IP\",
  649. \"MAC\":\"$report_MAC\",
  650. \"Gateway\":\"$report_Gateway\",
  651. \"DNS\":\"$report_DNS\",
  652. \"Listen\":\"$report_Listen\",
  653. \"Selinux\":\"$report_Selinux\",
  654. \"Firewall\":\"$report_Firewall\",
  655. \"USERs\":\"$report_USERs\",
  656. \"USEREmptyPassword\":\"$report_USEREmptyPassword\",
  657. \"USERTheSameUID\":\"$report_USERTheSameUID\",
  658. \"PasswordExpiry\":\"$report_PasswordExpiry\",
  659. \"RootUser\":\"$report_RootUser\",
  660. \"Sudoers\":\"$report_Sudoers\",
  661. \"SSHAuthorized\":\"$report_SSHAuthorized\",
  662. \"SSHDProtocolVersion\":\"$report_SSHDProtocolVersion\",
  663. \"SSHDPermitRootLogin\":\"$report_SSHDPermitRootLogin\",
  664. \"DefunctProsess\":\"$report_DefunctProsess\",
  665. \"SelfInitiatedService\":\"$report_SelfInitiatedService\",
  666. \"SelfInitiatedProgram\":\"$report_SelfInitiatedProgram\",
  667. \"RuningService\":\"$report_RuningService\",
  668. \"Crontab\":\"$report_Crontab\",
  669. \"Syslog\":\"$report_Syslog\",
  670. \"SNMP\":\"$report_SNMP\",
  671. \"NTP\":\"$report_NTP\",
  672. \"JDK\":\"$report_JDK\"
  673. }"
  674. #echo "$json" 
  675. curl -l -H "Content-type: application/json" -X POST -d "$json" "$uploadHostDailyCheckReportApi" 2>/dev/null
  676. }
  678. function getchage_file_24h()
  679. {
  680. echo "############################ 文件检查 #############################"
  681.     check2=$(find / -name '*.sh' -mtime -1)
  682. check21=$(find / -name '*.asp' -mtime -1)
  683. check22=$(find / -name '*.php' -mtime -1)
  684. check23=$(find / -name '*.aspx' -mtime -1)
  685. check24=$(find / -name '*.jsp' -mtime -1)
  686. check25=$(find / -name '*.html' -mtime -1)
  687. check26=$(find / -name '*.htm' -mtime -1)
  688. check9=$(find / -name core -exec ls -l {} \;)
  689. check10=$(cat /etc/crontab)
  690. check12=$(ls -alt /usr/bin | head -10)
  691. cat <<EOF
  693. ############################查看所有被修改过的文件返回最近24小时内的############################
  694. ${check2}
  695. ${check21}
  696. ${check22}
  697. ${check23}
  698. ${check24}
  699. ${check25}
  700. ${check26}
  701. ${line}
  703. ############################检查定时文件的完整性############################
  704. ${check10}
  705. ${line}
  707. ############################查看系统命令是否被替换############################
  708. ${check12}
  709. ${line}
  710. EOF
  711. }
  713. function check(){
  714. version
  715. getSystemStatus
  716. getCpuStatus
  717. getMemStatus
  718. getDiskStatus
  719. getNetworkStatus
  720. getListenStatus
  721. getProcessStatus
  722. getServiceStatus
  723. getAutoStartStatus
  724. getLoginStatus
  725. getCronStatus
  726. getUserStatus
  727. getPasswordStatus
  728. getSudoersStatus
  729. getJDKStatus
  730. getFirewallStatus
  731. getSSHStatus
  732. getSyslogStatus
  733. getSNMPStatus
  734. getNTPStatus
  735. getInstalledStatus
  736. getchage_file_24h
  737. }
  740. #执行检查并保存检查结果
  741. check > $RESULTFILE
  743. echo "检查结果：$RESULTFILE"
  744. echo -e "`date "+%Y-%m-%d %H:%M:%S"` 阿里云PHP企业平台巡检报告"  | mail -a $RESULTFILE -s "阿里云PHP企业平台巡检报告" h@163.com
  746. END