#! /bin/bash
# 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
#
#-----------------------------------------------------------------------
# Copyright (c) 2016 Red Hat Inc.  All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#-----------------------------------------------------------------------
#

seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
	cd /
	rm -f $tmp.*
}

# get standard environment, filters and checks
. ./common/rc
. ./common/filter

rm -f $seqres.full

# real QA test starts here
_supported_fs overlay
_supported_os Linux
_require_scratch
_require_user

# Remove all files from previous tests
_scratch_mkfs

# Create test file on lower dir, and chown to fsgqa user
lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
mkdir $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=$SCRATCH_DEV/$OVERLAY_UPPER_DIR
mkdir $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