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- # Process this file with autom4te to create testsuite. -*- Autotest -*-
- #
- # Test suite for GNU tar.
- # Copyright 2018-2023 Free Software Foundation, Inc.
- #
- # This file is part of GNU tar.
- #
- # GNU tar 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 3 of the License, or
- # (at your option) any later version.
- #
- # GNU tar 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/>.
- # While fixing CVE-2018-20482 (see sptrcreat.at) it has been discovered
- # that similar bug exists in file checking code (tar d).
- # This test case checks if tar correctly handles a short read condition
- # appearing in check_sparse_region.
- AT_SETUP([file truncated in sparse region while comparing])
- AT_KEYWORDS([truncate filechange sparse sptr sptrdiff diff])
- # This triggers short read in check_sparse_region.
- AT_TAR_CHECK([
- genfile --sparse --block-size=1024 --file foo \
- 0 ABCDEFGHIJ 1M ABCDEFGHIJ 10M ABCDEFGHIJ 200M ABCDEFGHIJ || AT_SKIP_TEST
- genfile --file baz
- echo creating
- tar --sparse -vcf bar foo baz
- echo comparing
- genfile --run --checkpoint 3 --length 200m --truncate foo -- \
- tar --sparse -vdf bar
- ],
- [1],
- [creating
- foo
- baz
- comparing
- foo
- foo: Size differs
- baz
- ],
- [],
- [],[],[posix, gnu, oldgnu])
- AT_CLEANUP
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