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#!/bin/bash
#
# Test encrypted read/write using backing files
#
# Copyright (C) 2015 Red Hat, Inc.
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will 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, see <http://www.gnu.org/licenses/>.
#

# creator
owner=berrange@redhat.com

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

here=`pwd`
status=1	# failure is the default!

_cleanup()
{
	_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15

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

_supported_fmt qcow2
_supported_proto generic
_supported_os Linux


size=128M
TEST_IMG_BASE=$TEST_IMG.base

TEST_IMG_SAVE=$TEST_IMG
TEST_IMG=$TEST_IMG_BASE
echo "== create base =="
IMGOPTS="encryption=on" _make_test_img $size
TEST_IMG=$TEST_IMG_SAVE

echo
echo "== writing whole image =="
echo "astrochicken" | $QEMU_IO -c "write -P 0xa 0 $size" "$TEST_IMG_BASE" | _filter_qemu_io | _filter_testdir

echo
echo "== verify pattern =="
echo "astrochicken" | $QEMU_IO -c "read -P 0xa 0 $size" "$TEST_IMG_BASE" | _filter_qemu_io | _filter_testdir

echo "== create overlay =="
IMGOPTS="encryption=on" _make_test_img -b "$TEST_IMG_BASE" $size

echo
echo "== writing part of a cluster =="
echo "astrochicken" | $QEMU_IO -c "write -P 0xe 0 1024" "$TEST_IMG" | _filter_qemu_io | _filter_testdir

echo
echo "== verify pattern =="
echo "astrochicken" | $QEMU_IO -c "read -P 0xe 0 1024" "$TEST_IMG" | _filter_qemu_io | _filter_testdir
echo
echo "== verify pattern =="
echo "astrochicken" | $QEMU_IO -c "read -P 0xa 1024 64512" "$TEST_IMG" | _filter_qemu_io | _filter_testdir


# success, all done
echo "*** done"
rm -f $seq.full
status=0