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2022-02-09 14:07:39 +01:00

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#!/bin/bash
EXPIRATIONDAYS=0
OUTPUTBUFFER=""
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd -P )"
cd ${DIR}
checkCertificate () {
OUTPUT=""
CERTIFICATE=$@
STARTNOTIFICATIONDATE=$(date +%s)
EXPIRYNOTIFICATIONDATE=$(($(date +%s) + (86400*${EXPIRATIONDAYS})))
SUBJECT=$(openssl x509 -in "${CERTIFICATE}" -noout -text | grep "Subject:" | sed 's/^.*CN[ ]*=[ ]*\([^,]*\).*$/\1/')
STARTDATE=$(openssl x509 -in "${CERTIFICATE}" -noout -text | grep 'Not Before' | awk '{printf "%s %.2d %s %s\n",$3,$4,$6,$5}')
STARTDATENUMERIC=$(date -d "${STARTDATE}" '+%s');
EXPIRATIONDATE=$(openssl x509 -in "${CERTIFICATE}" -noout -text | grep 'Not After' | awk '{printf "%s %.2d %s %s\n",$4,$5,$7,$6}')
EXPIRATIONDATENUMERIC=$(date -d "${EXPIRATIONDATE}" '+%s');
if [ ${STARTNOTIFICATIONDATE} -lt ${STARTDATENUMERIC} ]
then
OUTPUT="\tOn ${STARTDATE}, the Certificate for \"${SUBJECT}\" will become valid"
fi
OUTPUT="\tOn ${EXPIRATIONDATE}, the Certificate for \"${SUBJECT}\" will expire"
}
for DIRECTORY in ./*/
do
DIRECTORY=${DIRECTORY%*/}
DIRECTORY=${DIRECTORY:2}
if [ "${DIRECTORY}" != "openssl" ]; then
echo -e "\n${DIRECTORY}:"
cd "${DIRECTORY}"
for CERTIFICATE in ./*.crt
do
if [[ -f "${CERTIFICATE}" ]]
then
checkCertificate ${CERTIFICATE}
echo -e "${OUTPUT}"
fi
done
cd - > /dev/null
fi
done