| #!/bin/bash |
| # |
| # qcow1 format input validation tests |
| # |
| # Copyright (C) 2014 Red Hat, Inc. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| # |
| |
| # creator |
| owner=kwolf@redhat.com |
| |
| seq=`basename $0` |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| |
| _cleanup() |
| { |
| rm -f $TEST_IMG.snap |
| _cleanup_test_img |
| } |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| # get standard environment, filters and checks |
| . ./common.rc |
| . ./common.filter |
| |
| _supported_fmt qcow |
| _supported_proto generic |
| _supported_os Linux |
| |
| offset_backing_file_offset=8 |
| offset_backing_file_size=16 |
| offset_size=24 |
| offset_cluster_bits=32 |
| offset_l2_bits=33 |
| |
| echo |
| echo "== Invalid cluster size ==" |
| _make_test_img 64M |
| poke_file "$TEST_IMG" "$offset_cluster_bits" "\xff" |
| { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir |
| poke_file "$TEST_IMG" "$offset_cluster_bits" "\x1f" |
| { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir |
| poke_file "$TEST_IMG" "$offset_cluster_bits" "\x08" |
| { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir |
| poke_file "$TEST_IMG" "$offset_cluster_bits" "\x11" |
| { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir |
| |
| echo |
| echo "== Invalid L2 table size ==" |
| _make_test_img 64M |
| poke_file "$TEST_IMG" "$offset_l2_bits" "\xff" |
| { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir |
| poke_file "$TEST_IMG" "$offset_l2_bits" "\x05" |
| { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir |
| poke_file "$TEST_IMG" "$offset_l2_bits" "\x0e" |
| { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir |
| |
| # 1 << 0x1b = 2^31 / L2_CACHE_SIZE |
| poke_file "$TEST_IMG" "$offset_l2_bits" "\x1b" |
| { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir |
| |
| echo |
| echo "== Invalid size ==" |
| _make_test_img 64M |
| poke_file "$TEST_IMG" "$offset_size" "\xee\xee\xee\xee\xee\xee\xee\xee" |
| { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir |
| poke_file "$TEST_IMG" "$offset_size" "\x7f\xff\xff\xff\xff\xff\xff\xff" |
| { $QEMU_IO -c "write 0 64M" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir |
| |
| echo |
| echo "== Invalid backing file length ==" |
| _make_test_img 64M |
| poke_file "$TEST_IMG" "$offset_backing_file_offset" "\x00\x00\x00\xff" |
| poke_file "$TEST_IMG" "$offset_backing_file_size" "\xff\xff\xff\xff" |
| { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir |
| poke_file "$TEST_IMG" "$offset_backing_file_size" "\x7f\xff\xff\xff" |
| { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir |
| |
| # success, all done |
| echo "*** done" |
| rm -f $seq.full |
| status=0 |