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kdumpctl: detect modification of scripts by its directory's timestamp

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Checking modification against a file can not detect a removing file in
"/etc/kdump/post.d/ /etc/kdump/pre.d/".  Hence it also needs the
modified time of directory to detect such changes.

Signed-off-by: Pingfan Liu <piliu@redhat.com>
Acked-by: Kairui Song <kasong@redhat.com>
This commit is contained in:
Pingfan Liu 2020-07-16 16:50:15 +08:00 committed by Kairui Song
parent bdbddbff73
commit 25824d64cd
1 changed files with 6 additions and 1 deletions
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kdumpctl
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@ -338,6 +338,7 @@ check_files_modified()
EXTRA_BINS=`grep ^kdump_post $KDUMP_CONFIG_FILE | cut -d\ -f2`
CHECK_FILES=`grep ^kdump_pre $KDUMP_CONFIG_FILE | cut -d\ -f2`
HOOKS="/etc/kdump/post.d/ /etc/kdump/pre.d/"
if [ -d /etc/kdump/post.d ]; then
for file in /etc/kdump/post.d/*; do
if [ -x "$file" ]; then
@ -352,9 +353,11 @@ check_files_modified()
fi
done
fi
HOOKS="$HOOKS $POST_FILES $PRE_FILES"
CORE_COLLECTOR=`grep ^core_collector $KDUMP_CONFIG_FILE | cut -d\ -f2`
CORE_COLLECTOR=`type -P $CORE_COLLECTOR`
EXTRA_BINS="$EXTRA_BINS $CHECK_FILES $POST_FILES $PRE_FILES"
# POST_FILES and PRE_FILES are already checked against executable, need not to check again.
EXTRA_BINS="$EXTRA_BINS $CHECK_FILES"
CHECK_FILES=`grep ^extra_bins $KDUMP_CONFIG_FILE | cut -d\ -f2-`
EXTRA_BINS="$EXTRA_BINS $CHECK_FILES"
files="$KDUMP_CONFIG_FILE $kdump_kernel $EXTRA_BINS $CORE_COLLECTOR"
@ -385,6 +388,8 @@ check_files_modified()
check_exist "$files" && check_executable "$EXTRA_BINS"
[ $? -ne 0 ] && return 2
# HOOKS only need to check the modification here
files="$files $HOOKS"
for file in $files; do
if [ -e "$file" ]; then
time_stamp=`stat -c "%Y" $file`