57 lines
1.7 KiB
Bash
Executable File
57 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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# Checks if a given cert on disk will expire soon
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# Copyright 2009 Peter Palfrader
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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set -u
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set -e
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# warn if expires within 2 weeks, critical if within a day or already is expired
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warn=1209600
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crit=86400
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if [ "$#" != 1 ]; then
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echo "Usage: $0 <certfile>" >&2
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exit 3
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fi
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cert="$1"
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if ! [ -r "$cert" ] ; then
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echo "Cert file ($cert) does not exist or is not readable" >&2
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exit 3
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fi
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expires=`openssl x509 -enddate -noout < "$cert"`
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if openssl x509 -checkend "$warn" -noout < "$cert" ; then
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echo "OK: $expires"
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exit 0
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fi
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if openssl x509 -checkend "$crit" -noout < "$cert" ; then
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echo "WARN: $expires"
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exit 1
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fi
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echo "CRITICAL: $expires"
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exit 2
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