1#!/usr/bin/env bash
2#
3# Test error code paths for invalid QED images
4#
5# The aim of this test is to exercise the error paths in qed_open() to ensure
6# there are no crashes with invalid input files.
7#
8# Copyright (C) 2015 Red Hat, Inc.
9#
10# This program is free software; you can redistribute it and/or modify
11# it under the terms of the GNU General Public License as published by
12# the Free Software Foundation; either version 2 of the License, or
13# (at your option) any later version.
14#
15# This program is distributed in the hope that it will be useful,
16# but WITHOUT ANY WARRANTY; without even the implied warranty of
17# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18# GNU General Public License for more details.
19#
20# You should have received a copy of the GNU General Public License
21# along with this program.  If not, see <http://www.gnu.org/licenses/>.
22#
23
24# creator
25owner=stefanha@redhat.com
26
27seq=`basename $0`
28echo "QA output created by $seq"
29
30status=1	# failure is the default!
31
32_cleanup()
33{
34	_cleanup_test_img
35}
36trap "_cleanup; exit \$status" 0 1 2 3 15
37
38# get standard environment, filters and checks
39. ./common.rc
40. ./common.filter
41
42_supported_fmt qed
43_supported_proto generic
44_supported_os Linux
45
46
47size=128M
48
49echo
50echo "== truncated header cluster =="
51_make_test_img $size
52truncate -s 512 "$TEST_IMG"
53$QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
54
55echo
56echo "== invalid header magic =="
57_make_test_img $size
58poke_file "$TEST_IMG" "0" "QEDX"
59$QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
60
61echo
62echo "== invalid cluster size =="
63_make_test_img $size
64poke_file "$TEST_IMG" "4" "\xff\xff\xff\xff"
65$QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
66
67echo
68echo "== invalid table size =="
69_make_test_img $size
70poke_file "$TEST_IMG" "8" "\xff\xff\xff\xff"
71$QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
72
73echo
74echo "== invalid header size =="
75_make_test_img $size
76poke_file "$TEST_IMG" "12" "\xff\xff\xff\xff"
77$QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
78
79echo
80echo "== invalid L1 table offset =="
81_make_test_img $size
82poke_file "$TEST_IMG" "40" "\xff\xff\xff\xff\xff\xff\xff\xff"
83$QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
84
85echo
86echo "== invalid image size =="
87_make_test_img $size
88poke_file "$TEST_IMG" "48" "\xff\xff\xff\xff\xff\xff\xff\xff"
89$QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
90
91# success, all done
92echo "*** done"
93rm -f $seq.full
94status=0
95