From fc55f1aa710528a0620a3d474f7e609ef56dc24d Mon Sep 17 00:00:00 2001
From: Peter Palfrader <peter@palfrader.org>
Date: Wed, 7 Mar 2012 15:25:44 +0100
Subject: [PATCH] Add dsa-check-crl-expire

---
 dsa-nagios-checks/checks/dsa-check-crl-expire | 76 +++++++++++++++++++
 dsa-nagios-checks/debian/changelog            |  3 +-
 2 files changed, 78 insertions(+), 1 deletion(-)
 create mode 100755 dsa-nagios-checks/checks/dsa-check-crl-expire

diff --git a/dsa-nagios-checks/checks/dsa-check-crl-expire b/dsa-nagios-checks/checks/dsa-check-crl-expire
new file mode 100755
index 0000000..d6e0ac5
--- /dev/null
+++ b/dsa-nagios-checks/checks/dsa-check-crl-expire
@@ -0,0 +1,76 @@
+#!/bin/bash
+
+# Checks if a given cert on disk will expire soon
+
+# Copyright 2009, 2012 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
+
+while [ "$#" -ge 2 ]; do
+	case "$1" in
+		-c)
+			shift
+			crit="$1"
+			;;
+		-w)
+			shift
+			warn="$1"
+			;;
+		*)
+			break
+			;;
+	esac
+	shift
+done
+
+if [ "$#" != 1 ]; then
+	echo "Usage: $0 [-w <seconds>] [-c <seconds>] <crlfile>" >&2
+	exit 3
+fi
+
+crl="$1"
+
+if ! [ -r "$crl" ] ; then
+	echo "CRL file ($crl) does not exist or is not readable" >&2
+	exit 3
+fi
+
+expires="$(openssl crl -nextupdate -noout < "$crl" | cut -d = -f 2)"
+expsec="$(date -d "$expires" +%s)"
+now="$(date +%s)"
+delta="$(( $expsec - $now ))"
+
+if [ "$delta" -gt "$warn" ] ; then
+	echo "OK: next update expected $expires"
+	exit 0
+fi
+if [ "$delta" -gt "$crit" ] ; then
+	echo "WARN: next update expected $expires"
+	exit 1
+fi
+echo "CRITICAL: next update expected $expires"
+exit 2
diff --git a/dsa-nagios-checks/debian/changelog b/dsa-nagios-checks/debian/changelog
index 979d6a2..e061f36 100644
--- a/dsa-nagios-checks/debian/changelog
+++ b/dsa-nagios-checks/debian/changelog
@@ -7,8 +7,9 @@ dsa-nagios-checks (9X) Xnstable; urgency=low
   [ Peter Palfrader ]
   * dsa-check-msa-eventlog: Add --verbose switch to show info level
     event log entries.
+  * add dsa-check-crl-expire.
 
- -- Peter Palfrader <weasel@debian.org>  Wed, 29 Feb 2012 15:49:53 +0100
+ -- Peter Palfrader <weasel@debian.org>  Wed, 07 Mar 2012 15:25:29 +0100
 
 dsa-nagios-checks (92.1) unstable; urgency=low
 
-- 
2.20.1