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