From bdec4985ecbdddf4b1850e8352d3f5fd43f4ccee Mon Sep 17 00:00:00 2001
From: Peter Palfrader <peter@palfrader.org>
Date: Thu, 24 Mar 2011 16:41:58 +0100
Subject: [PATCH] support for kfreebsd

---
 .../checks/dsa-check-running-kernel           | 39 ++++++++++++++++---
 dsa-nagios-checks/debian/changelog            |  4 +-
 2 files changed, 35 insertions(+), 8 deletions(-)

diff --git a/dsa-nagios-checks/checks/dsa-check-running-kernel b/dsa-nagios-checks/checks/dsa-check-running-kernel
index cb5168b..bb0fc96 100755
--- a/dsa-nagios-checks/checks/dsa-check-running-kernel
+++ b/dsa-nagios-checks/checks/dsa-check-running-kernel
@@ -3,7 +3,7 @@
 # Check if the running kernel has the same version string as the on-disk
 # kernel image.
 
-# Copyright 2008,2009 Peter Palfrader
+# Copyright 2008,2009,2011 Peter Palfrader
 # Copyright 2009 Stephen Gran
 # Copyright 2010 Uli Martens
 # Copyright 2011 Alexander Reichle-Schmehl
@@ -46,10 +46,10 @@ get_offset() {
 		print $i,"\n"' < "$file"
 }
 
-get_avail_linux() {
+get_avail() {
 	# This is wrong, but leaves room for when we have to care for machines running
 	# myfirstunix-image-0.1-dsa-arm
-	local prefix=linux
+	local prefix="$1"; shift
 
 	local kervers=$(uname -r)
 
@@ -153,6 +153,22 @@ get_image_linux() {
 	exit 1
 }
 
+
+freebsd_check_running_version() {
+	local imagefile="$1"; shift
+
+	local r="$(uname -r)"
+	local v="$(uname -v| sed -e 's/^#[0-9]*/&:/')"
+
+	local q='@\(#\)FreeBSD '"$r $v"
+
+	if zcat "$imagefile" | strings | egrep -q "$q"; then
+		echo "OK"
+	else
+		echo "not OK"
+	fi
+}
+
 searched=""
 for on_disk in \
 	"/boot/vmlinuz-`uname -r`"\
@@ -202,14 +218,25 @@ if [ "$(uname -s)" = "Linux" ]; then
 		exit $WARNING
 	fi
 
-	ret="$(get_avail_linux)"
+	ret="$(get_avail linux)"
 	if [ $? = 1 ]; then
 		echo "WARNING: Kernel needs upgrade [$ret]"
 		exit $WARNING
 	fi
 else
-	echo "No support for FreeBSD yet"
-	exit $OK
+	image_current=$(freebsd_check_running_version $on_disk)
+	running_version="`uname -s` `uname -r` `uname -v`"
+	if [ "$image_current" != "OK" ]; then
+		approx_time="$(date -d "@`stat -c '%Y' "$on_disk"`" +"%Y-%m-%d %H:%M:%S")"
+		echo "WARNING: Currently running kernel ($running_version) does not match on disk image (~ $approx_time)"
+		exit $WARNING;
+	fi
+
+	ret="$(get_avail linux)"
+	if [ $? = 1 ]; then
+		echo "WARNING: Kernel needs upgrade [$ret]"
+		exit $WARNING
+	fi
 fi
 
 echo "OK: Running kernel matches on disk image: [$running_version]"
diff --git a/dsa-nagios-checks/debian/changelog b/dsa-nagios-checks/debian/changelog
index ebf3090..38430f2 100644
--- a/dsa-nagios-checks/debian/changelog
+++ b/dsa-nagios-checks/debian/changelog
@@ -1,8 +1,8 @@
 dsa-nagios-checks (8x) xnstable; urgency=low
 
-  * 
+  * dsa-check-running-kernel: kFreeBSD support.
 
- -- Peter Palfrader <weasel@debian.org>  Tue, 01 Mar 2011 18:11:55 +0100
+ -- Peter Palfrader <weasel@debian.org>  Thu, 24 Mar 2011 16:41:17 +0100
 
 dsa-nagios-checks (88) unstable; urgency=low
 
-- 
2.20.1