53 lines
943 B
Bash
53 lines
943 B
Bash
#!/bin/bash
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
|
|
# Kselftest framework requirement - SKIP code is 4.
|
|
ksft_skip=4
|
|
|
|
DBGFS=$(grep debugfs /proc/mounts --max-count 1 | awk '{print $2}')
|
|
if [ "$DBGFS" = "" ]
|
|
then
|
|
echo "debugfs not mounted"
|
|
exit $ksft_skip
|
|
fi
|
|
|
|
DBGFS+="/damon"
|
|
|
|
if [ $EUID -ne 0 ];
|
|
then
|
|
echo "Run as root"
|
|
exit $ksft_skip
|
|
fi
|
|
|
|
if [ ! -d "$DBGFS" ]
|
|
then
|
|
echo "$DBGFS not found"
|
|
exit $ksft_skip
|
|
fi
|
|
|
|
if [ -f "$DBGFS/monitor_on_DEPRECATED" ]
|
|
then
|
|
monitor_on_file="monitor_on_DEPRECATED"
|
|
else
|
|
monitor_on_file="monitor_on"
|
|
fi
|
|
|
|
for f in attrs target_ids "$monitor_on_file"
|
|
do
|
|
if [ ! -f "$DBGFS/$f" ]
|
|
then
|
|
echo "$f not found"
|
|
exit 1
|
|
fi
|
|
done
|
|
|
|
permission_error="Operation not permitted"
|
|
for f in attrs target_ids "$monitor_on_file"
|
|
do
|
|
status=$( cat "$DBGFS/$f" 2>&1 )
|
|
if [ "${status#*$permission_error}" != "$status" ]; then
|
|
echo "Permission for reading $DBGFS/$f denied; maybe secureboot enabled?"
|
|
exit $ksft_skip
|
|
fi
|
|
done
|