xref: /qemu/tests/qemu-iotests/075 (revision 2e8f72ac)
1#!/usr/bin/env bash
2# group: rw quick
3#
4# cloop format input validation tests
5#
6# Copyright (C) 2013 Red Hat, Inc.
7#
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.
12#
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.
17#
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/>.
20#
21
22# creator
23owner=stefanha@redhat.com
24
25seq=`basename $0`
26echo "QA output created by $seq"
27
28status=1	# failure is the default!
29
30_cleanup()
31{
32	_cleanup_test_img
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and checks
37. ./common.rc
38. ./common.filter
39
40_supported_fmt cloop
41_supported_proto file
42_supported_os Linux
43
44block_size_offset=128
45n_blocks_offset=132
46offsets_offset=136
47
48echo
49echo "== check that the first sector can be read =="
50_use_sample_img simple-pattern.cloop.bz2
51$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
52
53echo
54echo "== check that the last sector can be read =="
55_use_sample_img simple-pattern.cloop.bz2
56$QEMU_IO -r -c "read $((1024 * 1024 - 512)) 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
57
58echo
59echo "== block_size must be a multiple of 512 =="
60_use_sample_img simple-pattern.cloop.bz2
61poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x02\x01"
62$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
63
64echo
65echo "== block_size cannot be zero =="
66_use_sample_img simple-pattern.cloop.bz2
67poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x00\x00"
68$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
69
70echo
71echo "== huge block_size ==="
72_use_sample_img simple-pattern.cloop.bz2
73poke_file "$TEST_IMG" "$block_size_offset" "\xff\xff\xfe\x00"
74$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
75
76echo
77echo "== offsets_size overflow ==="
78_use_sample_img simple-pattern.cloop.bz2
79poke_file "$TEST_IMG" "$n_blocks_offset" "\xff\xff\xff\xff"
80$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
81
82echo
83echo "== refuse images that require too many offsets ==="
84_use_sample_img simple-pattern.cloop.bz2
85poke_file "$TEST_IMG" "$n_blocks_offset" "\x04\x00\x00\x01"
86$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
87
88echo
89echo "== refuse images with non-monotonically increasing offsets =="
90_use_sample_img simple-pattern.cloop.bz2
91poke_file "$TEST_IMG" "$offsets_offset" "\x00\x00\x00\x00\xff\xff\xff\xff"
92poke_file "$TEST_IMG" $((offsets_offset + 8)) "\x00\x00\x00\x00\xff\xfe\x00\x00"
93$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
94
95echo
96echo "== refuse images with invalid compressed block size =="
97_use_sample_img simple-pattern.cloop.bz2
98poke_file "$TEST_IMG" "$offsets_offset" "\x00\x00\x00\x00\x00\x00\x00\x00"
99poke_file "$TEST_IMG" $((offsets_offset + 8)) "\xff\xff\xff\xff\xff\xff\xff\xff"
100$QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
101
102# success, all done
103echo "*** done"
104rm -f $seq.full
105status=0
106