Merge tag 'qemu-macppc-20230206' of https://github.com/mcayland/qemu into staging
[qemu.git] / tests / qemu-iotests / 114
blobde6fd327eea9e2ef5d21fc6fbf0b9fcfaaf26114
1 #!/usr/bin/env bash
2 # group: rw auto quick
4 # Test invalid backing file format in qcow2 images
6 # Copyright (C) 2014 Red Hat, Inc.
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
22 # creator
23 owner=kwolf@redhat.com
25 seq="$(basename $0)"
26 echo "QA output created by $seq"
28 status=1 # failure is the default!
30 _cleanup()
32 _cleanup_test_img
34 trap "_cleanup; exit \$status" 0 1 2 3 15
36 # get standard environment, filters and checks
37 . ./common.rc
38 . ./common.filter
40 _supported_fmt qcow2
41 _supported_proto generic
42 # At least OpenBSD doesn't seem to have truncate
43 _supported_os Linux
44 # qcow2.py does not work too well with external data files
45 _unsupported_imgopts data_file
47 # Older qemu-img could set up backing file without backing format; modern
48 # qemu can't but we can use qcow2.py to simulate older files.
49 truncate -s $((64 * 1024 * 1024)) "$TEST_IMG.orig"
50 _make_test_img -b "$TEST_IMG.orig" -F raw 64M
51 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0xE2792ACA
53 TEST_IMG="$TEST_IMG.base" _make_test_img 64M
54 $QEMU_IMG convert -O qcow2 -B "$TEST_IMG.orig" "$TEST_IMG.orig" "$TEST_IMG"
55 _make_test_img -b "$TEST_IMG.base" -F $IMGFMT 64M
56 _make_test_img -u -b "$TEST_IMG.base" -F $IMGFMT 64M
58 # Set an invalid backing file format
59 $PYTHON qcow2.py "$TEST_IMG" add-header-ext 0xE2792ACA "foo"
60 _img_info
62 # Try opening the image. Should fail (and not probe) in the first case, but
63 # overriding the backing file format should be possible.
64 $QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir
65 $QEMU_IO -c "open -o backing.driver=$IMGFMT $TEST_IMG" -c "read 0 4k" | _filter_qemu_io
67 # Rebase the image, to show that backing format is required.
68 ($QEMU_IMG rebase -u -b "$TEST_IMG.base" "$TEST_IMG" 2>&1 && echo "unexpected pass") | _filter_testdir
69 $QEMU_IMG rebase -u -b "$TEST_IMG.base" -F $IMGFMT "$TEST_IMG"
70 $QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir
72 # success, all done
73 echo '*** done'
74 rm -f $seq.full
75 status=0