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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2022 SUSE Linux Products GmbH. All Rights Reserved.
#
# FS QA Test No. 275
#
# Test that no xattr can be changed once btrfs property is set to RO.
#
. ./common/preamble
_begin_fstest auto quick attr
. ./common/filter
. ./common/attr
_supported_fs btrfs
_fixed_by_kernel_commit b51111271b03 \
"btrfs: check if root is readonly while setting security xattr"
_require_attrs
_require_btrfs_command "property"
_require_scratch
_scratch_mkfs >> $seqres.full 2>&1
_scratch_mount
FILENAME=$SCRATCH_MNT/foo
set_xattr()
{
local value=$1
$SETFATTR_PROG -n "user.one" -v $value $FILENAME 2>&1 | _filter_scratch
$SETFATTR_PROG -n "security.one" -v $value $FILENAME 2>&1 | _filter_scratch
$SETFATTR_PROG -n "trusted.one" -v $value $FILENAME 2>&1 | _filter_scratch
}
get_xattr()
{
_getfattr --absolute-names -n "user.one" $FILENAME 2>&1 | _filter_scratch
_getfattr --absolute-names -n "security.one" $FILENAME 2>&1 | _filter_scratch
_getfattr --absolute-names -n "trusted.one" $FILENAME 2>&1 | _filter_scratch
}
del_xattr()
{
$SETFATTR_PROG -x "user.one" $FILENAME 2>&1 | _filter_scratch
$SETFATTR_PROG -x "security.one" $FILENAME 2>&1 | _filter_scratch
$SETFATTR_PROG -x "trusted.one" $FILENAME 2>&1 | _filter_scratch
}
# Create a test file.
echo "hello world" > $FILENAME
set_xattr 1
$BTRFS_UTIL_PROG property set $SCRATCH_MNT ro true
$BTRFS_UTIL_PROG property get $SCRATCH_MNT ro
# Attempt to change values of RO (property) filesystem.
set_xattr 2
# Check the values of RO (property) filesystem are not changed.
get_xattr
# Attempt to remove xattr from RO (property) filesystem.
del_xattr
# Check if xattr still exist.
get_xattr
# Change filesystem property RO to false
$BTRFS_UTIL_PROG property set $SCRATCH_MNT ro false
$BTRFS_UTIL_PROG property get $SCRATCH_MNT ro
# Change the xattrs after RO is false.
set_xattr 2
# Get the changed values.
get_xattr
# Remove xattr.
del_xattr
# check if the xattrs are really deleted.
get_xattr
status=0
exit
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