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#!/bin/bash
#
# cloop format input validation tests
#
# Copyright (C) 2013 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=stefanha@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 cloop
_supported_proto file
_supported_os Linux
block_size_offset=128
n_blocks_offset=132
offsets_offset=136
echo
echo "== check that the first sector can be read =="
_use_sample_img simple-pattern.cloop.bz2
$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo "== check that the last sector can be read =="
_use_sample_img simple-pattern.cloop.bz2
$QEMU_IO -r -c "read $((1024 * 1024 - 512)) 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo "== block_size must be a multiple of 512 =="
_use_sample_img simple-pattern.cloop.bz2
poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x02\x01"
$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo "== block_size cannot be zero =="
_use_sample_img simple-pattern.cloop.bz2
poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x00\x00"
$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo "== huge block_size ==="
_use_sample_img simple-pattern.cloop.bz2
poke_file "$TEST_IMG" "$block_size_offset" "\xff\xff\xfe\x00"
$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo "== offsets_size overflow ==="
_use_sample_img simple-pattern.cloop.bz2
poke_file "$TEST_IMG" "$n_blocks_offset" "\xff\xff\xff\xff"
$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo "== refuse images that require too many offsets ==="
_use_sample_img simple-pattern.cloop.bz2
poke_file "$TEST_IMG" "$n_blocks_offset" "\x04\x00\x00\x01"
$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo "== refuse images with non-monotonically increasing offsets =="
_use_sample_img simple-pattern.cloop.bz2
poke_file "$TEST_IMG" "$offsets_offset" "\x00\x00\x00\x00\xff\xff\xff\xff"
poke_file "$TEST_IMG" $((offsets_offset + 8)) "\x00\x00\x00\x00\xff\xfe\x00\x00"
$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo "== refuse images with invalid compressed block size =="
_use_sample_img simple-pattern.cloop.bz2
poke_file "$TEST_IMG" "$offsets_offset" "\x00\x00\x00\x00\x00\x00\x00\x00"
poke_file "$TEST_IMG" $((offsets_offset + 8)) "\xff\xff\xff\xff\xff\xff\xff\xff"
$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
# success, all done
echo "*** done"
rm -f $seq.full
status=0
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