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- #!/bin/bash
- SERVER=$1
- TIMEOUT=25
- RETVAL=0
- TIMESTAMP=`echo | date`
- EXPIRE_DATE=`echo | openssl s_client -connect $SERVER:443 -servername $SERVER -tlsextdebug 2>/dev/null | openssl x509 -noout -dates 2>/dev/null | grep notAfter | cut -d'=' -f2`
- EXPIRE_SECS=`date -d "${EXPIRE_DATE}" +%s`
- EXPIRE_TIME=$(( ${EXPIRE_SECS} - `date +%s` ))
- if test $EXPIRE_TIME -lt 0
- then
- RETVAL=0
- else
- RETVAL=$(( ${EXPIRE_TIME} / 24 / 3600 ))
- fi
- echo ${RETVAL}
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