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-rwxr-xr-xhosts/hb0-armhf-rb/usr/local/bin/dsa-check-running-kernel41
1 files changed, 20 insertions, 21 deletions
diff --git a/hosts/hb0-armhf-rb/usr/local/bin/dsa-check-running-kernel b/hosts/hb0-armhf-rb/usr/local/bin/dsa-check-running-kernel
index 11574804..80f45bfb 100755
--- a/hosts/hb0-armhf-rb/usr/local/bin/dsa-check-running-kernel
+++ b/hosts/hb0-armhf-rb/usr/local/bin/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 2008,2009,2011 Peter Palfrader
+# Copyright 2008,2009,2011,2012,2013,2014 Peter Palfrader
# Copyright 2009 Stephen Gran
# Copyright 2010,2012,2013 Uli Martens
# Copyright 2011 Alexander Reichle-Schmehl
@@ -37,13 +37,13 @@ get_offset() {
file="$1"
needle="$2"
+
perl -e '
undef $/;
- $i = index(<>, "'"$needle"'");
- if ($i < 0) {
- exit 1;
- };
- print $i,"\n"' < "$file"
+ $i = 0; $k=<>;
+ while (($i = index($k, "'"$needle"'", $i)) >= 0) {
+ print $i++,"\n";
+ }; ' < "$file"
}
get_avail() {
@@ -58,7 +58,7 @@ get_avail() {
# 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 [ "${kervers#3}" != "$kervers" ]; then
- metavers=$(echo $kervers | sed -r -e 's/^3\.[0-9].[0-9]+-[A-Za-z0-9\.]+-(.*)/\1/')
+ metavers=$(echo $kervers | sed -r -e 's/^3\.[0-9]+(\.[0-9])?+-[A-Za-z0-9\.]+-(.*)/\2/')
elif [ "${kervers//dsa}" != "$kervers" ]; then
metavers=$(echo $kervers | sed -r -e 's/^2\.(4|6)\.[0-9]+([\.0-9]+?)-(.*)/2.\1-\3/')
else
@@ -129,13 +129,12 @@ cat_vmlinux() {
filter="$3"
hdroff="$4"
- off=`get_offset "$image" $header`
- if [ "$?" != 0 ]; then
- # not found, exit
- return 1
- fi
-
- (dd ibs="$((off+$hdroff))" skip=1 count=0 && dd bs=512k) < "$image" 2>/dev/null | $filter 2>/dev/null
+ get_offset "$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() {
@@ -144,13 +143,13 @@ get_image_linux() {
image="$1"
# gzip compressed image
- if cat_vmlinux "$image" "\x1f\x8b\x08\x00" "zcat" 0; then return; fi
- if cat_vmlinux "$image" "\x1f\x8b\x08\x08" "zcat" 0; then return; fi
+ cat_vmlinux "$image" "\x1f\x8b\x08\x00" "zcat" 0
+ cat_vmlinux "$image" "\x1f\x8b\x08\x08" "zcat" 0
# lzma compressed image
- if cat_vmlinux "$image" "\x00\x00\x00\x02\xff" "xzcat" -1; then return; fi
- if cat_vmlinux "$image" "\x00\x00\x00\x04\xff" "xzcat" -1; then return; fi
+ cat_vmlinux "$image" "\x00\x00\x00\x02\xff" "xzcat" -1
+ cat_vmlinux "$image" "\x00\x00\x00\x04\xff" "xzcat" -1
# xz compressed image
- if cat_vmlinux "$image" "\xfd\x37\x7a\x58\x5a " "xzcat" 0; then return; fi
+ cat_vmlinux "$image" "\xfd\x37\x7a\x58\x5a " "xzcat" 0
echo "ERROR: Unable to extract kernel image." 2>&1
exit 1
@@ -163,9 +162,9 @@ freebsd_check_running_version() {
local r="$(uname -r)"
local v="$(uname -v| sed -e 's/^#[0-9]*/&:/')"
- local q='@\(#\)FreeBSD '"$r $v"
+ local q='@(#)FreeBSD '"$r $v"
- if zcat "$imagefile" | $STRINGS | egrep -q "$q"; then
+ if zcat "$imagefile" | $STRINGS | grep -F -q "$q"; then
echo "OK"
else
echo "not OK"