/usr/share/cgmanager/tests/test17.sh is in cgmanager-tests 0.39-2ubuntu5.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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if [ -n "$SUDO_USER" ]; then
gid=$SUDO_GID
uid=$SUDO_UID
else
gid=1000
uid=1000
fi
mnt=`mktemp -d`
cleanup() {
umount $mnt || true
rmdir $mnt
}
trap cleanup EXIT
echo "test 17: chown"
# We can't readily verify if we can't mount cgroups
cantmount=0
mount -t cgroup -o memory cgroup $mnt || cantmount=1
# Create /testchown cgroup owned by root
cgm remove memory testchown
cgm create memory testchown
cgm chmodfile memory testchown tasks 0775
if [ $cantmount -eq 0 ]; then
myc=`cat /proc/$$/cgroup | grep memory | awk -F: '{ print $3 }'`
path="${mnt}/${myc}/testchown/tasks"
newmode=`stat -c "%a" $path`
if [ "$newmode" != "775" ]; then
echo "test 17: root was not able to chmod tasks file"
echo "test 17: mode was $newmode not 775"
exit 1
fi
else
echo "Cannot verify results"
fi
# Create /testchown cgroup owned by root
cgm remove memory testchown
cgm create memory testchown
sudo -u \#$uid cgm chmodfile memory testchown tasks 0775
if [ $? -eq 0 ]; then
echo "test 17: should have failed to chmod tasks file"
exit 1
fi
# chown the cgroup so that unprivileged user should be able to chmod it.
cgm chown memory testchown $uid 0
sudo -u \#$uid cgm chmodfile memory testchown tasks 0775
if [ $? -ne 0 ]; then
echo "test 17: should have succeeded chmoding tasks file as non-root"
exit 1
fi
if [ $cantmount -eq 0 ]; then
myc=`cat /proc/$$/cgroup | grep memory | awk -F: '{ print $3 }'`
path="${mnt}/${myc}/testchown/tasks"
newmode=`stat -c "%a" $path`
if [ "$newmode" != "775" ]; then
echo "test 17: user was not able to chmod his own tasks file"
exit 1
fi
fi
echo "test 17 (chmod) passed"
exit 0
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