Difference between revisions of "Cert expiration"
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(Created page with "https://askubuntu.com/questions/1198619/bash-script-to-calculate-remaining-days-to-expire-ssl-certs-in-a-website") |
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| Line 1: | Line 1: | ||
https://askubuntu.com/questions/1198619/bash-script-to-calculate-remaining-days-to-expire-ssl-certs-in-a-website | https://askubuntu.com/questions/1198619/bash-script-to-calculate-remaining-days-to-expire-ssl-certs-in-a-website | ||
| + | ``` | ||
| + | #!/bin/bash | ||
| + | |||
| + | website="xplosa.com" | ||
| + | certificate_file=$(mktemp) | ||
| + | echo -n | openssl s_client -servername "$website" -connect "$website":443 2>/dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > $certificate_file | ||
| + | date=$(openssl x509 -in $certificate_file -enddate -noout | sed "s/.*=\(.*\)/\1/") | ||
| + | date_s=$(date -d "${date}" +%s) | ||
| + | now_s=$(date -d now +%s) | ||
| + | date_diff=$(( (date_s - now_s) / 86400 )) | ||
| + | echo "$website will expire in $date_diff days" | ||
| + | rm "$certificate_file" | ||
| + | ``` | ||
Latest revision as of 19:09, 9 February 2022
#!/bin/bash
website="xplosa.com"
certificate_file=$(mktemp)
echo -n | openssl s_client -servername "$website" -connect "$website":443 2>/dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > $certificate_file
date=$(openssl x509 -in $certificate_file -enddate -noout | sed "s/.*=\(.*\)/\1/")
date_s=$(date -d "${date}" +%s)
now_s=$(date -d now +%s)
date_diff=$(( (date_s - now_s) / 86400 ))
echo "$website will expire in $date_diff days"
rm "$certificate_file"