1#!/bin/bash 2# 3# qcow1 format input validation tests 4# 5# Copyright (C) 2014 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=kwolf@redhat.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27status=1 # failure is the default! 28 29_cleanup() 30{ 31 rm -f $TEST_IMG.snap 32 _cleanup_test_img 33} 34trap "_cleanup; exit \$status" 0 1 2 3 15 35 36# get standard environment, filters and checks 37. ./common.rc 38. ./common.filter 39 40_supported_fmt qcow 41_supported_proto file 42_supported_os Linux 43 44offset_backing_file_offset=8 45offset_backing_file_size=16 46offset_size=24 47offset_cluster_bits=32 48offset_l2_bits=33 49 50echo 51echo "== Invalid cluster size ==" 52_make_test_img 64M 53poke_file "$TEST_IMG" "$offset_cluster_bits" "\xff" 54{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 55poke_file "$TEST_IMG" "$offset_cluster_bits" "\x1f" 56{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 57poke_file "$TEST_IMG" "$offset_cluster_bits" "\x08" 58{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 59poke_file "$TEST_IMG" "$offset_cluster_bits" "\x11" 60{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 61 62echo 63echo "== Invalid L2 table size ==" 64_make_test_img 64M 65poke_file "$TEST_IMG" "$offset_l2_bits" "\xff" 66{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 67poke_file "$TEST_IMG" "$offset_l2_bits" "\x05" 68{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 69poke_file "$TEST_IMG" "$offset_l2_bits" "\x0e" 70{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 71 72# 1 << 0x1b = 2^31 / L2_CACHE_SIZE 73poke_file "$TEST_IMG" "$offset_l2_bits" "\x1b" 74{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 75 76echo 77echo "== Invalid size ==" 78_make_test_img 64M 79poke_file "$TEST_IMG" "$offset_size" "\xee\xee\xee\xee\xee\xee\xee\xee" 80{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 81poke_file "$TEST_IMG" "$offset_size" "\x7f\xff\xff\xff\xff\xff\xff\xff" 82{ $QEMU_IO -c "write 0 64M" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 83 84echo 85echo "== Invalid backing file length ==" 86_make_test_img 64M 87poke_file "$TEST_IMG" "$offset_backing_file_offset" "\x00\x00\x00\xff" 88poke_file "$TEST_IMG" "$offset_backing_file_size" "\xff\xff\xff\xff" 89{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 90poke_file "$TEST_IMG" "$offset_backing_file_size" "\x7f\xff\xff\xff" 91{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 92 93# success, all done 94echo "*** done" 95rm -f $seq.full 96status=0 97