18 lines
458 B
Bash
18 lines
458 B
Bash
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#!/bin/sh
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initial_label=`cat /proc/self/attr/current 2>/dev/null`
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modified_label="test_label"
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echo "$modified_label" >/proc/self/attr/current 2>/dev/null
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new_label=`cat /proc/self/attr/current 2>/dev/null`
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if [ "$new_label" != "$modified_label" ]; then
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# restore proper label
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echo $initial_label >/proc/self/attr/current
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echo "Privileged process could not change its label"
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exit 1
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fi
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echo "$initial_label" >/proc/self/attr/current 2>/dev/null
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exit 0
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