#!/usr/bin/env bash
#
# Test encrypted read/write using plain bdrv_pread/bdrv_pwrite
#
# Copyright (C) 2017 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"

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=16M

SECRET="secret,id=sec0,data=astrochicken"
SECRETALT="secret,id=sec0,data=platypus"

_make_test_img --object $SECRET -o "encrypt.format=luks,encrypt.key-secret=sec0,encrypt.iter-time=10" $size

IMGSPEC="driver=$IMGFMT,encrypt.key-secret=sec0,file.filename=$TEST_IMG"

QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT

echo
echo "== reading whole image =="
$QEMU_IO --object $SECRET -c "read -P 0 0 $size" --image-opts $IMGSPEC | _filter_qemu_io | _filter_testdir

echo
echo "== rewriting whole image =="
$QEMU_IO --object $SECRET -c "write -P 0xa 0 $size" --image-opts $IMGSPEC | _filter_qemu_io | _filter_testdir

echo
echo "== verify pattern =="
$QEMU_IO --object $SECRET -c "read -P 0xa 0 $size"  --image-opts $IMGSPEC | _filter_qemu_io | _filter_testdir

echo
echo "== verify open failure with wrong password =="
$QEMU_IO --object $SECRETALT -c "read -P 0xa 0 $size" --image-opts $IMGSPEC | _filter_qemu_io | _filter_testdir

_cleanup_test_img

echo
echo "== verify that has_zero_init returns false when preallocating =="

# Empty source file
if [ -n "$TEST_IMG_FILE" ]; then
    TEST_IMG_FILE="${TEST_IMG_FILE}.orig" _make_test_img $size
else
    TEST_IMG="${TEST_IMG}.orig" _make_test_img $size
fi

$QEMU_IMG convert -O "$IMGFMT" --object $SECRET \
    -o "encrypt.format=luks,encrypt.key-secret=sec0,encrypt.iter-time=10,preallocation=metadata" \
    "${TEST_IMG}.orig" "$TEST_IMG"

$QEMU_IMG compare --object $SECRET --image-opts "${IMGSPEC}.orig" "$IMGSPEC"


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