diff options
Diffstat (limited to 'hosts/p64c-armhf-rb.debian.net/usr/local/bin/dsa-check-running-kernel')
-rwxr-xr-x | hosts/p64c-armhf-rb.debian.net/usr/local/bin/dsa-check-running-kernel | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/hosts/p64c-armhf-rb.debian.net/usr/local/bin/dsa-check-running-kernel b/hosts/p64c-armhf-rb.debian.net/usr/local/bin/dsa-check-running-kernel deleted file mode 100755 index aa6e35bd..00000000 --- a/hosts/p64c-armhf-rb.debian.net/usr/local/bin/dsa-check-running-kernel +++ /dev/null @@ -1,254 +0,0 @@ -#!/bin/bash - -# Check if the running kernel has the same version string as the on-disk -# kernel image. - -# Copyright 2008,2009,2011,2012,2013,2014 Peter Palfrader -# Copyright 2009 Stephen Gran -# Copyright 2010,2012,2013 Uli Martens -# Copyright 2011 Alexander Reichle-Schmehl -# -# 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. - -OK=0; -WARNING=1; -CRITICAL=2; -UNKNOWN=3; - -get_offset() { - local file needle - - file="$1" - needle="$2" - - perl -e ' - undef $/; - $i = 0; $k=<>; - while (($i = index($k, "'"$needle"'", $i)) >= 0) { - print $i++,"\n"; - }; ' < "$file" -} - -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="$1"; shift - - local kervers=$(uname -r) - - local metavers='' - - # DSA uses kernel versions of the form 2.6.29.3-dsa-dl380-oldxeon, where - # Debian uses versions of the form 2.6.29-2-amd64 - if [ "${kervers#2}" != "$kervers" ]; then - if [ "${kervers//dsa}" != "$kervers" ]; then - metavers=$(echo $kervers | sed -r -e 's/^2\.(4|6)\.[0-9]+([\.0-9]+?)-(.*)/2.\1-\3/') - else - metavers=$(echo $kervers | sed -r -e 's/^2\.(4|6)\.[0-9]+-[A-Za-z0-9\.]+-(.*)/2.\1-\2/') - fi - else - metavers=$(echo $kervers | sed -r -e 's/^[0-9]+\.[0-9]+(\.[0-9])?+-[A-Za-z0-9\.]+-(.*)/\2/') - fi - - # Attempt to track back to a metapackage failed. bail - if [ "$metavers" = "$kervers" ]; then - return 2 - fi - - # We're just going to give up if we can't find a matching metapackage - # I tried being strict once, and it just caused a lot of headaches. We'll see how - # being lax does for us - - local output=$(apt-cache policy ${prefix}-image-${metavers} 2>/dev/null) - local metaavailvers=$(echo "$output" | grep '^ Candidate:' | awk '{print $2}') - local metainstavers=$(echo "$output" | grep '^ Installed:' | awk '{print $2}') - - if [ -z "$metaavailvers" ] || [ "$metaavailvers" = '(none)' ]; then - return 2 - fi - if [ -z "$metainstavers" ] || [ "$metainstavers" = '(none)' ]; then - return 2 - fi - - if [ "$metaavailvers" != "$metainstavers" ] ; then - echo "${prefix}-image-${metavers} $metaavailvers available but $metainstavers installed" - return 1 - fi - - local imagename=0 - # --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 $1}' | sort -u); do - if dpkg --compare-versions "1.$vers" gt "1.$imagename"; then - imagename=$vers - fi - done - - if [ -z "$imagename" ] || [ "$imagename" = 0 ]; then - return 2 - fi - - if [ "$imagename" != "${prefix}-image-${kervers}" ]; then - if dpkg --compare-versions 1."$imagename" lt 1."${prefix}-image-${kervers}"; then - return 2 - fi - echo "$imagename" != "${prefix}-image-${kervers}" - return 1 - fi - - local availvrs=$(apt-cache policy ${imagename} 2>/dev/null | grep '^ Candidate' | awk '{print $2}') - local kernelversion=$(apt-cache policy ${prefix}-image-${kervers} 2>/dev/null | grep '^ Installed:' | awk '{print $2}') - - if [ "$availvrs" = "$kernelversion" ]; then - return 0 - fi - - echo "$kernelversion != $availvrs" - return 1 -} - -cat_vmlinux() { - local image header filter hdroff - - image="$1" - header="$2" - filter="$3" - hdroff="$4" - - get_offset "$image" $header | head -n 5 | while read off; do - (if [ "$off" != 0 ]; then - dd ibs="$((off+hdroff))" skip=1 count=0 - fi && - dd bs=512k) < "$image" 2>/dev/null | $filter 2>/dev/null - done -} - -get_image_linux() { - local image - - image="$1" - - # gzip compressed image - cat_vmlinux "$image" "\x1f\x8b\x08\x00" "zcat" 0 - cat_vmlinux "$image" "\x1f\x8b\x08\x08" "zcat" 0 - # lzma compressed image - cat_vmlinux "$image" "\x00\x00\x00\x02\xff" "xzcat" -1 - cat_vmlinux "$image" "\x00\x00\x00\x04\xff" "xzcat" -1 - # xz compressed image - cat_vmlinux "$image" "\xfd\x37\x7a\x58\x5a " "xzcat" 0 - - echo "ERROR: Unable to extract kernel image." 2>&1 - 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" | $STRINGS | grep -F -q "$q"; then - echo "OK" - else - echo "not OK" - fi -} - -STRINGS=""; -if [ -x "$(which strings)" ]; then - STRINGS="$(which strings)" -elif [ -x "$(which busybox)" -a "$( echo foobar | $(which busybox) strings 2>/dev/null)" = "foobar" ]; then - STRINGS="$(which busybox) strings" -fi - -searched="" -for on_disk in \ - "/boot/vmlinuz-`uname -r`"\ - "/boot/vmlinux-`uname -r`"\ - "/boot/kfreebsd-`uname -r`.gz"; do - - if [ -e "$on_disk" ]; then - if [ -z "$STRINGS" ]; then - echo "UNKNOWN: 'strings' command missing, perhaps install binutils or busybox?" - exit $UNKNOWN - fi - if [ "${on_disk/vmlinu}" != "$on_disk" ]; then - on_disk_version="`get_image_linux "$on_disk" | $STRINGS | grep 'Linux version' | head -n1`" - if [ -x /usr/bin/lsb_release ] ; then - vendor=$(lsb_release -i -s) - if [ -n "$vendor" ] && [ "xDebian" != "x$vendor" ] ; then - on_disk_version=$( echo $on_disk_version|sed -e "s/ ($vendor [[:alnum:]\.-]\+ [[:alnum:]\.]\+)//") - fi - fi - [ -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 $on_disk" -done - -if ! [ -e "$on_disk" ]; then - echo "WARNING: Did not find a kernel image (checked$searched) - I have no idea which kernel I am running" - 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 $UNKNOWN - fi - - if [ "$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 linux)" - if [ $? = 1 ]; then - echo "WARNING: Kernel needs upgrade [$ret]" - exit $WARNING - fi -else - image_current=$(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]" -exit $OK |