1. ssl_check.sh
    3. #!/bin/bash
    4. # 检测https证书有效期
    6. source /etc/profile
    8. while read line; do
    9. echo "====================================================================================="
    11. echo "当前检测的域名：" $line
    12. end_time=$(echo | timeout 1 openssl s_client -servername $line -connect $line:443 2>/dev/null | openssl x509 -noout -enddate 2>/dev/null | awk -F '=' '{print $2}' )
    13. ([ $? -ne 0 ] || [[ $end_time == '' ]]) && exit 10
    15. end_times=`date -d "$end_time" +%s `
    16. current_times=`date -d "$(date -u '+%b %d %T %Y GMT') " +%s `
    18. let left_time=$end_times-$current_times
    19. days=`expr $left_time / 86400`
    20. echo "剩余天数: " $days
    22. [ $days -lt 30 ] && echo "https 证书有效期少于30天，存在风险"
    24. done < ./https_list