-
-
Save mccarthyp-snet/a5665d2d0453ace3cad4f7787a124a8f to your computer and use it in GitHub Desktop.
Retrieve/Check SSL certificate expiration date(s)
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash | |
# Test for OpenSSL - if not installed stop here. | |
if ! [[ -x $(which openssl) ]]; then | |
printf "\nOpenSSL not found or not executable.\nPlease install OpenSSL before proceeding.\n\n" | |
exit 1 | |
fi | |
### user adjustable variables ### | |
# 30 days is default on warnings - overidden on command line with '-d': | |
days_to_warn=30 | |
### Clear/list/set defaults for variables ### | |
epoch_day=86400 | |
epoch_warning=$((days_to_warn * epoch_day)) | |
expire="0" | |
files=$(find /opt/splunk/etc/auth -type f -not -name "*.py" -not -name "README" | sort) | |
#FUNCTIONS | |
print_line() { | |
echo "--------------------------------------------------------------------------------" | |
} | |
check_expiry() { | |
expire="0" | |
# use epoch times for calcs/compares | |
today_epoch="$(date +%s)" | |
expire_date=$(openssl x509 -in "$file" -noout -dates 2>/dev/null | | |
awk -F= '/^notAfter/ { print $2; exit }') | |
if [[ -n $expire_date ]]; then # -> found date-process it: | |
expire_epoch=$(date +%s -d "$expire_date") | |
timeleft=$((expire_epoch - today_epoch)) | |
if [[ $timeleft -le $epoch_warning ]]; then # WARN | |
expire="1" | |
fi | |
if [[ $today_epoch -ge $expire_epoch ]]; then # EXPIRE | |
expire="2" | |
fi | |
else | |
expire="3" | |
expire_date="N/A " | |
fi | |
} | |
output_site() { | |
check_expiry | |
if [[ $expire == "1" ]]; then | |
printf "\e[33m" # YELLOW OUTPUT - warning | |
elif [[ $expire == "2" ]]; then | |
printf "\e[31m" # RED OUTPUT - expired | |
elif [[ $expire == "3" ]]; then | |
printf "\e[0m" # NO COLOR - NOT FOUND | |
else | |
printf "\e[32m" # GREEN OUTPUT | |
fi | |
printf "%s\e[0m\n" "$file" | |
printf "%s\n" "$expire_date" | |
if [[ -n "${splunk_conf_files}" ]]; then | |
printf "%s\n" "$splunk_conf_files" | |
fi | |
print_line | |
} | |
# MAIN | |
printf "Warning is %s days.\n" "$days_to_warn" | |
print_line | |
for file in $files; do | |
filename=$(basename -- "$file") | |
splunk_conf_files=$(find /opt/splunk/etc -type f -name "*.conf" -exec grep "$filename" {} +) | |
output_site | |
done | |
[[ "$0" = "${BASH_SOURCE[0]}" ]] && exit 1 || return 1 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment