initial commit

check_cert_expire

@@ -0,0 +1,56 @@
+#!/bin/sh
+
+# Checks if a given cert on disk will expire soon
+
+# Copyright 2009 Peter Palfrader
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+set -u
+set -e
+
+# warn if expires within 2 weeks, critical if within a day or already is expired
+warn=1209600
+crit=86400
+
+if [ "$#" != 1 ]; then
+	echo "Usage: $0 <certfile>" >&2
+	exit 3
+fi
+
+cert="$1"
+
+if ! [ -r "$cert" ] ; then
+	echo "Cert file ($cert) does not exist or is not readable" >&2
+	exit 3
+fi
+
+expires=`openssl x509 -enddate -noout < "$cert"`
+
+if openssl x509 -checkend "$warn" -noout < "$cert" ; then
+	echo "OK: $expires"
+	exit 0
+fi
+if openssl x509 -checkend "$crit" -noout < "$cert" ; then
+	echo "WARN: $expires"
+	exit 1
+fi
+echo "CRITICAL: $expires"
+exit 2