# Check if the running kernel has the same version string as the on-disk
# kernel image.
-# Copyright 2008 Peter Palfrader
+# Copyright 2008,2009 Peter Palfrader
# Copyright 2009 Stephen Gran
+# Copyright 2010 Uli Martens
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
print $i,"\n"' < "$file"
}
-get_avail() {
+get_avail_linux() {
# This is wrong, but leaves room for when we have to care for machines running
# myfirstunix-image-0.1-dsa-arm
local prefix=linux
return 2
fi
+ if [ "$metaavailvers" != "$metainstavers" ] ; then
+ echo "${prefix}-image-${metavers} $metaavailvers available but $metainstavers installed"
+ return 1
+ fi
+
local imagename=0
- for vers in $(apt-cache --no-all-versions depends ${prefix}-image-${metavers} | grep Depends | awk '{print $2}' | sort -u); do
+ # --no-all-versions show shows only the candidate
+ for vers in $(apt-cache --no-all-versions show ${prefix}-image-${metavers} | sed -n 's/^Depends: //p' | tr ',' '\n' | tr -d ' ' | grep ${prefix}-image | awk '{print $1}' | sort -u); do
if dpkg --compare-versions $vers gt $imagename; then
imagename=$vers
fi
return 1
}
-get_image() {
- local image GZHDR1 GZHDR2 off
+get_image_linux() {
+ local image GZHDR1 GZHDR2 LZHDR off
image="$1"
GZHDR1="\x1f\x8b\x08\x00"
GZHDR2="\x1f\x8b\x08\x08"
+ LZHDR="\x00\x00\x00\x02\xff"
off=`get_offset "$image" $GZHDR1`
[ "$?" != "0" ] && off="-1"
return
fi
+ off=`get_offset "$image" $LZHDR`
+ [ "$?" != "0" ] && off="-1"
+ if [ "$off" -ne "-1" ]; then
+ (dd ibs="$[off-1]" skip=1 count=0 && dd bs=512k) < "$image" 2>/dev/null | lzcat 2>/dev/null
+ return
+ fi
+
echo "ERROR: Unable to extract kernel image." 2>&1
exit 1
}
searched=""
for on_disk in \
"/boot/vmlinuz-`uname -r`"\
- "/boot/vmlinux-`uname -r`"; do
+ "/boot/vmlinux-`uname -r`"\
+ "/boot/kfreebsd-`uname -r`.gz"; do
if [ -e "$on_disk" ]; then
- on_disk_version="`get_image "$on_disk" | strings | grep 'Linux version' | head -n1`"
- [ -z "$on_disk_version" ] || break
- on_disk_version="`cat "$on_disk" | strings | grep 'Linux version' | head -n1`"
- [ -z "$on_disk_version" ] || break
-
- echo "UNKNOWN: Failed to get a version string from image $on_disk"
- exit $UNKNOWN
+ if [ "${on_disk/vmlinu}" != "$on_disk" ]; then
+ on_disk_version="`get_image_linux "$on_disk" | strings | grep 'Linux version' | head -n1`"
+ [ -z "$on_disk_version" ] || break
+ on_disk_version="`cat "$on_disk" | strings | grep 'Linux version' | head -n1`"
+ [ -z "$on_disk_version" ] || break
+
+ echo "UNKNOWN: Failed to get a version string from image $on_disk"
+ exit $UNKNOWN
+ else
+ on_disk_version="$(zcat $on_disk | strings | grep Debian | head -n 1 | sed -e 's/Debian [[:alnum:]]\+ (\(.*\))/\1/')"
+ fi
fi
searched="$searched $on_disk"
done
exit $WARNING
fi
+if [ "$(uname -s)" = "Linux" ]; then
+ running_version="`cat /proc/version`"
+ if [ -z "$running_version" ] ; then
+ echo "UNKNOWN: Failed to get a version string from running system"
+ exit $UNKNOWN
+ fi
-running_version="`cat /proc/version`"
-if [ -z "$running_version" ] ; then
- echo "UNKNOWN: Failed to get a version string from running system"
- exit $UNKNOWN
-fi
-
-if [ "$running_version" != "$on_disk_version" ]; then
- echo "WARNING: Running kernel does not match on-disk kernel image: [$running_version != $on_disk_version]"
- exit $WARNING
-fi
+ if [ "$running_version" != "$on_disk_version" ]; then
+ echo "WARNING: Running kernel does not match on-disk kernel image: [$running_version != $on_disk_version]"
+ exit $WARNING
+ fi
-ret="$(get_avail)"
-if [ $? = 1 ]; then
- echo "WARNING: Kernel needs upgrade [$ret]"
- exit $WARNING
+ ret="$(get_avail_linux)"
+ if [ $? = 1 ]; then
+ echo "WARNING: Kernel needs upgrade [$ret]"
+ exit $WARNING
+ fi
+else
+ echo "No support for FreeBSD yet"
+ exit $OK
fi
echo "OK: Running kernel matches on disk image: [$running_version]"