Initial commit

2021-10-20 14:29:13 +02:00
commit bbcea2a5ae
4 changed files with 1007 additions and 0 deletions
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+EXPIRATIONDAYS=90
+
+checkCertificate () {
+	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
+		echo -e "\tOn ${STARTDATE}, the CERTIFICATE for \"${SUBJECT}\" will become valid"
+	fi
+
+	if [ ${EXPIRYNOTIFICATIONDATE} -gt ${EXPIRATIONDATENUMERIC} ]
+	then
+		echo -e "\tOn ${EXPIRATIONDATE}, the CERTIFICATE for \"${SUBJECT}\" will expire"
+	fi
+}
+
+for DIRECTORY in ./*/
+do
+	DIRECTORY=${DIRECTORY%*/}
+	DIRECTORY=${DIRECTORY:2}
+
+	if [ "${DIRECTORY}" != "openssl" ]; then
+		echo "${DIRECTORY}:"
+		cd "${DIRECTORY}"
+
+		for CERTIFICATE in ./*.crt
+		do
+			if [[ -f "${CERTIFICATE}" ]]
+			then
+				checkCertificate ${CERTIFICATE}
+			fi
+		done
+
+		cd - > /dev/null
+	fi
+done
+