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 27here=`pwd` 28tmp=/tmp/$$ 29status=1 # failure is the default! 30 31_cleanup() 32{ 33 rm -f $TEST_IMG.snap 34 _cleanup_test_img 35} 36trap "_cleanup; exit \$status" 0 1 2 3 15 37 38# get standard environment, filters and checks 39. ./common.rc 40. ./common.filter 41 42_supported_fmt qcow 43_supported_proto generic 44_supported_os Linux 45 46offset_backing_file_offset=8 47offset_backing_file_size=16 48offset_size=24 49offset_cluster_bits=32 50offset_l2_bits=33 51 52echo 53echo "== Invalid cluster size ==" 54_make_test_img 64M 55poke_file "$TEST_IMG" "$offset_cluster_bits" "\xff" 56{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 57poke_file "$TEST_IMG" "$offset_cluster_bits" "\x1f" 58{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 59poke_file "$TEST_IMG" "$offset_cluster_bits" "\x08" 60{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 61poke_file "$TEST_IMG" "$offset_cluster_bits" "\x11" 62{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 63 64echo 65echo "== Invalid L2 table size ==" 66_make_test_img 64M 67poke_file "$TEST_IMG" "$offset_l2_bits" "\xff" 68{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 69poke_file "$TEST_IMG" "$offset_l2_bits" "\x05" 70{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 71poke_file "$TEST_IMG" "$offset_l2_bits" "\x0e" 72{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 73 74# 1 << 0x1b = 2^31 / L2_CACHE_SIZE 75poke_file "$TEST_IMG" "$offset_l2_bits" "\x1b" 76{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 77 78echo 79echo "== Invalid size ==" 80_make_test_img 64M 81poke_file "$TEST_IMG" "$offset_size" "\xee\xee\xee\xee\xee\xee\xee\xee" 82{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 83poke_file "$TEST_IMG" "$offset_size" "\x7f\xff\xff\xff\xff\xff\xff\xff" 84{ $QEMU_IO -c "write 0 64M" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 85 86echo 87echo "== Invalid backing file length ==" 88_make_test_img 64M 89poke_file "$TEST_IMG" "$offset_backing_file_offset" "\x00\x00\x00\xff" 90poke_file "$TEST_IMG" "$offset_backing_file_size" "\xff\xff\xff\xff" 91{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 92poke_file "$TEST_IMG" "$offset_backing_file_size" "\x7f\xff\xff\xff" 93{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 94 95# success, all done 96echo "*** done" 97rm -f $seq.full 98status=0 99