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-rwxr-xr-xhosts/p64c-armhf-rb.debian.net/usr/local/bin/dsa-check-running-kernel254
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