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109 lines
4.5 KiB
109 lines
4.5 KiB
15 years ago
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/*-
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* Copyright (c) 2003-2007 Tim Kientzle
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "test.h"
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__FBSDID("$FreeBSD: src/lib/libarchive/test/test_compat_tar_hardlink.c,v 1.3 2008/08/11 01:19:36 kientzle Exp $");
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/*
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* Background: There are two written standards for the tar file format.
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* The first is the POSIX 1988 "ustar" format, the second is the 2001
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* "pax extended" format that builds on the "ustar" format by adding
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* support for generic additional attributes. Buried in the details
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* is one frustrating incompatibility: The 1988 standard says that
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* tar readers MUST ignore the size field on hardlink entries; the
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* 2001 standard says that tar readers MUST obey the size field on
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* hardlink entries. libarchive tries to navigate this particular
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* minefield by using auto-detect logic to guess whether it should
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* or should not obey the size field.
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*
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* This test tries to probe the boundaries of such handling; the test
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* archives here were adapted from real archives created by real
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* tar implementations that are (as of early 2008) apparently still
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* in use.
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*/
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static void
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test_compat_tar_hardlink_1(void)
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{
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char name[] = "test_compat_tar_hardlink_1.tar";
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struct archive_entry *ae;
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struct archive *a;
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assert((a = archive_read_new()) != NULL);
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assertEqualIntA(a, ARCHIVE_OK, archive_read_support_compression_all(a));
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assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
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extract_reference_file(name);
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assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 10240));
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/* Read first entry, which is a regular file. */
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assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
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assertEqualString("xmcd-3.3.2/docs_d/READMf",
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archive_entry_pathname(ae));
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assertEqualString(NULL, archive_entry_hardlink(ae));
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assertEqualInt(321, archive_entry_size(ae));
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assertEqualInt(1082575645, archive_entry_mtime(ae));
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assertEqualInt(1851, archive_entry_uid(ae));
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assertEqualInt(3, archive_entry_gid(ae));
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assertEqualInt(0100444, archive_entry_mode(ae));
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/* Read second entry, which is a hard link at the end of archive. */
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assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
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assertEqualString("xmcd-3.3.2/README",
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archive_entry_pathname(ae));
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assertEqualString(
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"xmcd-3.3.2/docs_d/READMf",
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archive_entry_hardlink(ae));
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assertEqualInt(0, archive_entry_size(ae));
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assertEqualInt(1082575645, archive_entry_mtime(ae));
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assertEqualInt(1851, archive_entry_uid(ae));
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assertEqualInt(3, archive_entry_gid(ae));
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assertEqualInt(0100444, archive_entry_mode(ae));
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/* Verify the end-of-archive. */
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/*
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* This failed in libarchive 2.4.12 because the tar reader
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* tried to obey the size field for the hard link and ended
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* up running past the end of the file.
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*/
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assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
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/* Verify that the format detection worked. */
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assertEqualInt(archive_compression(a), ARCHIVE_COMPRESSION_NONE);
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assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR);
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assertEqualInt(ARCHIVE_OK, archive_read_close(a));
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#if ARCHIVE_VERSION_NUMBER < 2000000
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archive_read_finish(a);
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#else
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assertEqualInt(ARCHIVE_OK, archive_read_finish(a));
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#endif
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}
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DEFINE_TEST(test_compat_tar_hardlink)
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{
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test_compat_tar_hardlink_1();
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}
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