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 $seq" 26 27here=`pwd` 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33} 34trap "_cleanup; exit \$status" 0 1 2 3 15 35 36# get standard environment, filters and checks 37. ./common.rc 38. ./common.filter 39 40_supported_fmt cloop 41_supported_proto file 42_supported_os Linux 43 44block_size_offset=128 45n_blocks_offset=132 46offsets_offset=136 47 48echo 49echo "== check that the first sector can be read ==" 50_use_sample_img simple-pattern.cloop.bz2 51$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