| #!/usr/bin/env bash | |
| # group: rw auto quick | |
| # | |
| # Test invalid backing file format in qcow2 images | |
| # | |
| # Copyright (C) 2014 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=kwolf@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 file | |
| # At least OpenBSD doesn't seem to have truncate | |
| _supported_os Linux | |
| # qcow2.py does not work too well with external data files | |
| _unsupported_imgopts data_file | |
| # Older qemu-img could set up backing file without backing format; modern | |
| # qemu can't but we can use qcow2.py to simulate older files. | |
| truncate -s $((64 * 1024 * 1024)) "$TEST_IMG.orig" | |
| _make_test_img -b "$TEST_IMG.orig" -F raw 64M | |
| $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0xE2792ACA | |
| TEST_IMG="$TEST_IMG.base" _make_test_img 64M | |
| $QEMU_IMG convert -O qcow2 -B "$TEST_IMG.orig" "$TEST_IMG.orig" "$TEST_IMG" | |
| _make_test_img -b "$TEST_IMG.base" -F $IMGFMT 64M | |
| _make_test_img -u -b "$TEST_IMG.base" -F $IMGFMT 64M | |
| # Set an invalid backing file format | |
| $PYTHON qcow2.py "$TEST_IMG" add-header-ext 0xE2792ACA "foo" | |
| _img_info | |
| # Try opening the image. Should fail (and not probe) in the first case, but | |
| # overriding the backing file format should be possible. | |
| $QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir | |
| $QEMU_IO -c "open -o backing.driver=$IMGFMT $TEST_IMG" -c "read 0 4k" | _filter_qemu_io | |
| # Rebase the image, to show that backing format is required. | |
| ($QEMU_IMG rebase -u -b "$TEST_IMG.base" "$TEST_IMG" 2>&1 && echo "unexpected pass") | _filter_testdir | |
| $QEMU_IMG rebase -u -b "$TEST_IMG.base" -F $IMGFMT "$TEST_IMG" | |
| $QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir | |
| # success, all done | |
| echo '*** done' | |
| rm -f $seq.full | |
| status=0 |