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