check-ssl-date

#!/bin/bash

if [ $# -eq 0 ]; then
    echo "usage: $0 host"
    exit 1
fi

openssl s_client -connect $1:443 | openssl x509 -noout -dates
exit 0

# todo: generalize with parameterized port
# openssl s_client -showcerts -connect mail.example.com:995 -servername mail.example.com