artbikes · March 28, 2014 22:59
diff --git a/certcheck.sh b/certcheck.sh
 #!/bin/bash
 EXPIRATION=$( echo |\
              openssl s_client -connect $1:443 2>/dev/null |\
              openssl x509 -noout -dates |\
              tail -1 |\
              sed 's/notAfter=\(.*\)/\1/' )
 EXP_EPOCH=$(gdate --date="$EXPIRATION" +%s)
 TODAY=$(gdate +%s)
 # Days until expiration
 echo $(( ($EXP_EPOCH - $TODAY )/(60*60*24) ))
	#!/bin/bash
	EXPIRATION=$( echo \|\
	openssl s_client -connect $1:443 2>/dev/null \|\
	openssl x509 -noout -dates \|\
	tail -1 \|\
	sed 's/notAfter=\(.*\)/\1/' )
	EXP_EPOCH=$(gdate --date="$EXPIRATION" +%s)
	TODAY=$(gdate +%s)
	# Days until expiration
	echo $(( ($EXP_EPOCH - $TODAY )/(606024) ))