1#!/bin/bash 2# 3# Test invalid backing file format in qcow2 images 4# 5# Copyright (C) 2014 Red Hat, Inc. 6# 7# This program is free software; you can redistribute it and/or modify 8# it under the terms of the GNU General Public License as published by 9# the Free Software Foundation; either version 2 of the License, or 10# (at your option) any later version. 11# 12# This program is distributed in the hope that it will be useful, 13# but WITHOUT ANY WARRANTY; without even the implied warranty of 14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15# GNU General Public License for more details. 16# 17# You should have received a copy of the GNU General Public License 18# along with this program. If not, see <http://www.gnu.org/licenses/>. 19# 20 21# creator 22owner=kwolf@redhat.com 23 24seq="$(basename $0)" 25echo "QA output created by $seq" 26 27here="$PWD" 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33} 34trap "_cleanup; exit \$status" 0 1 2 3 15 35 36# get standard environment, filters and checks 37. ./common.rc 38. ./common.filter 39 40_supported_fmt qcow2 41_supported_proto generic 42_unsupported_proto vxhs 43_supported_os Linux 44 45 46TEST_IMG="$TEST_IMG.base" _make_test_img 64M 47_make_test_img -b "$TEST_IMG.base" 64M 48 49# Set an invalid backing file format 50$PYTHON qcow2.py "$TEST_IMG" add-header-ext 0xE2792ACA "foo" 51_img_info 52 53# Try opening the image. Should fail (and not probe) in the first case, but 54# overriding the backing file format should be possible. 55$QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir 56$QEMU_IO -c "open -o backing.driver=$IMGFMT $TEST_IMG" -c "read 0 4k" | _filter_qemu_io 57 58# success, all done 59echo '*** done' 60rm -f $seq.full 61status=0 62