mirror of
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5a12e7c134
Wed Aug 26 10:00:38 CDT 2009 Slackware 13.0 x86_64 is released as stable! Thanks to everyone who helped make this release possible -- see the RELEASE_NOTES for the credits. The ISOs are off to the replicator. This time it will be a 6 CD-ROM 32-bit set and a dual-sided 32-bit/64-bit x86/x86_64 DVD. We're taking pre-orders now at store.slackware.com. Please consider picking up a copy to help support the project. Once again, thanks to the entire Slackware community for all the help testing and fixing things and offering suggestions during this development cycle. As always, have fun and enjoy! -P.
128 lines
3.9 KiB
Bash
128 lines
3.9 KiB
Bash
#!/bin/sh
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#
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# Will check all certificates stored in $CERTDIR for their expiration date,
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# and will display (if optional "stdout" argument is given), or mail a warning
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# message to $MAILADDR (if script is executed without any parameter
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# - unattended mode suitable for cron execution) for each particular certificate
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# that is about to expire in time less to, or equal to $DAYS after this script
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# has been executed, or if it has already expired.
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# This stupid script (C) 2006,2007 Jan Rafaj
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########################## CONFIGURATION SECTION BEGIN #########################
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# Note: all settings are mandatory
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# Warning will be sent if a certificate expires in time <= days given here
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DAYS=7
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# E-mail address where to send warnings
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MAILADDR=root
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# Directory with certificates to check
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CERTDIR=/etc/ssl/certs
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# Directory where to keep state files if this script isnt executed with "stdout"
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STATEDIR=/var/run
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########################### CONFIGURATION SECTION END ##########################
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PATH=/bin:/usr/bin:/sbin:/usr/sbin
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DAY_IN_SECS=$((60*60*24))
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DATE_CURRENT=$(date '+%s')
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usage()
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{
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echo "Usage: $0 [stdout]"
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echo
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echo "Detailed description and configuration is embedded within the script."
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exit 0
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}
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message()
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{
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cat << EOF
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WARNING: certificate $certfile
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is about to expire in time equal to or less than $DAYS days from now on,
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or has already expired - it might be a good idea to obtain/create new one.
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EOF
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}
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message_mail()
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{
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message
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cat << EOF
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NOTE: This message is being sent only once.
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A lock-file
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$STATEDIR/certwatch-mailwarning-sent-$certfilebase
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has been created, which will prevent this script from mailing you again
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upon its subsequent executions by crond. You dont need to care about it;
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the file will be auto-deleted as soon as you'll prolong your certificate.
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EOF
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}
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unset stdout
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case $# in
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0) ;;
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1) if [ "$1" = "-h" -o "$1" == "--help" ]; then
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usage
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elif [ "$1" = "stdout" ]; then
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stdout=1
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else
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usage
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fi
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;;
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*) usage ;;
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esac
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for dir in $STATEDIR $CERTDIR ; do
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if [ ! -d $dir ]; then
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echo "ERROR: directory $dir does not exist"
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exit 1
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fi
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done
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for binary in basename date find grep mail openssl touch ; do
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if [ ! \( -x /usr/bin/$binary -o -x /bin/$binary \) ]; then
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echo "ERROR: /usr/bin/$binary not found"
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exit 1
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fi
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done
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find $CERTDIR -type f -maxdepth 1 | while read certfile ; do
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certfilebase="$(basename "$certfile")"
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inform=PEM
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echo "$certfile" | grep -q -i '\.net$'
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if [ $? -eq 0 ]; then
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# This is based purely on filename extension, so may give false results.
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# But lets assume noone uses NET format certs today, ok?
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continue
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fi
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echo "$certfile" | grep -q -i '\.der$'
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if [ $? -eq 0 -o "$(file "$certfile" | grep ASCII)" == "" ]; then
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inform=DER
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fi
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# We wont use '-checkend' since it is not properly documented (as of
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# OpenSSL 0.9.8e).
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DATE_CERT_EXPIRES=$(openssl x509 -in "$certfile" -inform $inform -noout -enddate | sed 's/^notAfter=//')
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DATE_CERT_EXPIRES=$(date -d"$DATE_CERT_EXPIRES" +%s)
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if [ $(($DATE_CERT_EXPIRES - $DATE_CURRENT)) -le $(($DAYS * $DAY_IN_SECS)) ]
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then
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if [ $stdout ]; then
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message
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else
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if [ ! -f $STATEDIR/certwatch-mailwarning-sent-"$certfilebase" ]; then
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subject="$0: certificate $certfile expiration warning"
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message_mail | mail -r "certwatch@$HOSTNAME" \
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-s "$subject" \
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$MAILADDR 2>/dev/null
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# echo "Mail about expiring certificate $certfile sent to $MAILADDR."
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# echo "If you need to send it again, please remove lock-file"
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# echo "$STATEDIR/certwatch-mailwarning-sent-$certfilebase ."
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# echo
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fi
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touch $STATEDIR/certwatch-mailwarning-sent-"$certfilebase"
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fi
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else
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if [ ! $stdout ]; then
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if [ -f $STATEDIR/certwatch-mailwarning-sent-"$certfilebase" ]; then
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rm $STATEDIR/certwatch-mailwarning-sent-"$certfilebase"
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fi
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fi
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fi
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done
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