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#! /bin/bash
# FS QA Test 004
#
# Test file copy up on overlayfs by changing mode bits.
#
#-----------------------------------------------------------------------
# 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

# remove previous $seqres.full before test
rm -f $seqres.full

# Modify as appropriate.
_supported_fs overlay
_supported_os Linux
_require_scratch
_require_user

# Remove all files from previous tests
_scratch_mkfs

# Create test file in lower dir
lowerdir=${SCRATCH_DEV}/${OVL_LOWER}
upperdir=${SCRATCH_DEV}/${OVL_UPPER}
mkdir -p $lowerdir
touch ${lowerdir}/attr_file1
chmod 000 ${lowerdir}/attr_file1
touch ${lowerdir}/attr_file2
chmod 000 ${lowerdir}/attr_file2

_scratch_mount

# copy up by change mode bits and check.
chmod a+x ${SCRATCH_MNT}/attr_file1 > /dev/null 2>&1
chmod o-w ${SCRATCH_MNT}/attr_file1 > /dev/null 2>&1
chmod g+w ${SCRATCH_MNT}/attr_file1 > /dev/null 2>&1
chmod u-r ${SCRATCH_MNT}/attr_file1 > /dev/null 2>&1
chmod a+X ${SCRATCH_MNT}/attr_file1 > /dev/null 2>&1
chmod o-s ${SCRATCH_MNT}/attr_file1 > /dev/null 2>&1
chmod g+t ${SCRATCH_MNT}/attr_file1 > /dev/null 2>&1
chmod u-X ${SCRATCH_MNT}/attr_file1 > /dev/null 2>&1
stat -c %a ${SCRATCH_MNT}/attr_file1

# unprivileged user can't do this.
_user_do "chmod a+x ${SCRATCH_MNT}/attr_file2 > /dev/null 2>&1"
_user_do "chmod o-w ${SCRATCH_MNT}/attr_file2 > /dev/null 2>&1"
_user_do "chmod g+w ${SCRATCH_MNT}/attr_file2 > /dev/null 2>&1"
_user_do "chmod u-r ${SCRATCH_MNT}/attr_file2 > /dev/null 2>&1"
_user_do "chmod a+X ${SCRATCH_MNT}/attr_file2 > /dev/null 2>&1"
_user_do "chmod o-s ${SCRATCH_MNT}/attr_file2 > /dev/null 2>&1"
_user_do "chmod g+t ${SCRATCH_MNT}/attr_file2 > /dev/null 2>&1"
_user_do "chmod u-X ${SCRATCH_MNT}/attr_file2 > /dev/null 2>&1"
stat -c %a ${SCRATCH_MNT}/attr_file2

_scratch_unmount

# check mode bits of the file that has been copied up, and
# the file that should not have been copied up.
stat -c %a ${upperdir}/attr_file1
ls ${upperdir}/

# success, all done
status=0
exit