1#!/bin/bash 2# 3# cloop format input validation tests 4# 5# Copyright (C) 2013 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=stefanha@redhat.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27here=`pwd` 28tmp=/tmp/$$ 29status=1 # failure is the default! 30 31_cleanup() 32{ 33 _cleanup_test_img 34} 35trap "_cleanup; exit \$status" 0 1 2 3 15 36 37# get standard environment, filters and checks 38. ./common.rc 39. ./common.filter 40 41_supported_fmt cloop 42_supported_proto file 43_supported_os Linux 44 45block_size_offset=128 46n_blocks_offset=132 47offsets_offset=136 48 49echo 50echo "== check that the first sector can be read ==" 51_use_sample_img simple-pattern.cloop.bz2 52$QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir 53 54echo 55echo "== check that the last sector can be read ==" 56_use_sample_img simple-pattern.cloop.bz2 57$QEMU_IO -c "read $((1024 * 1024 - 512)) 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir 58 59echo 60echo "== block_size must be a multiple of 512 ==" 61_use_sample_img simple-pattern.cloop.bz2 62poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x02\x01" 63$QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir 64 65echo 66echo "== block_size cannot be zero ==" 67_use_sample_img simple-pattern.cloop.bz2 68poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x00\x00" 69$QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir 70 71echo 72echo "== huge block_size ===" 73_use_sample_img simple-pattern.cloop.bz2 74poke_file "$TEST_IMG" "$block_size_offset" "\xff\xff\xfe\x00" 75$QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir 76 77echo 78echo "== offsets_size overflow ===" 79_use_sample_img simple-pattern.cloop.bz2 80poke_file "$TEST_IMG" "$n_blocks_offset" "\xff\xff\xff\xff" 81$QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir 82 83echo 84echo "== refuse images that require too many offsets ===" 85_use_sample_img simple-pattern.cloop.bz2 86poke_file "$TEST_IMG" "$n_blocks_offset" "\x04\x00\x00\x01" 87$QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir 88 89echo 90echo "== refuse images with non-monotonically increasing offsets ==" 91_use_sample_img simple-pattern.cloop.bz2 92poke_file "$TEST_IMG" "$offsets_offset" "\x00\x00\x00\x00\xff\xff\xff\xff" 93poke_file "$TEST_IMG" $((offsets_offset + 8)) "\x00\x00\x00\x00\xff\xfe\x00\x00" 94$QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir 95 96echo 97echo "== refuse images with invalid compressed block size ==" 98_use_sample_img simple-pattern.cloop.bz2 99poke_file "$TEST_IMG" "$offsets_offset" "\x00\x00\x00\x00\x00\x00\x00\x00" 100poke_file "$TEST_IMG" $((offsets_offset + 8)) "\xff\xff\xff\xff\xff\xff\xff\xff" 101$QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir 102 103# success, all done 104echo "*** done" 105rm -f $seq.full 106status=0 107