#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016 Red Hat Inc.  All Rights Reserved.
#
# FS QA Test 008
#
# Create file/dir over whiteout by another user, uid/gid of the file/dir should
# be current fsuid/fsgid, not the mounter's.
#
# This upstream kernel patch fixed the issue
# d0e13f5 ovl: fix uid/gid when creating over whiteout
#
. ./common/preamble
_begin_fstest auto quick whiteout perms

# Import common functions.
. ./common/filter

# real QA test starts here
_supported_fs overlay
_require_scratch
_require_user

# Remove all files from previous tests
_scratch_mkfs

# Create test file on lower dir, and chown to fsgqa user
lowerdir=$OVL_BASE_SCRATCH_MNT/$OVL_LOWER
mkdir -p $lowerdir
touch $lowerdir/testfile
chown fsgqa:fsgqa $lowerdir/testfile

# chown upperdir to fsgqa user, so new file/dir can be created by the user
upperdir=$OVL_BASE_SCRATCH_MNT/$OVL_UPPER
mkdir -p $upperdir
chown fsgqa:fsgqa $upperdir

_scratch_mount

# Remove testfile, whiteout created in lowerdir
rm -f $SCRATCH_MNT/testfile

# Create new file over whiteout and check the file ownership
_user_do "touch $SCRATCH_MNT/testfile"
stat -c %U:%G-%F $SCRATCH_MNT/testfile

# Create new dir over whiteout and check ownership again
rm -f $SCRATCH_MNT/testfile
_user_do "mkdir $SCRATCH_MNT/testfile"
stat -c %U:%G-%F $SCRATCH_MNT/testfile

# success, all done
status=0
exit
