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Diffstat (limited to 'Utilities/cmlibarchive/libarchive/test/test_compat_tar_hardlink.c')
| -rw-r--r-- | Utilities/cmlibarchive/libarchive/test/test_compat_tar_hardlink.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/libarchive/test/test_compat_tar_hardlink.c b/Utilities/cmlibarchive/libarchive/test/test_compat_tar_hardlink.c new file mode 100644 index 0000000000..1975b55135 --- /dev/null +++ b/Utilities/cmlibarchive/libarchive/test/test_compat_tar_hardlink.c @@ -0,0 +1,108 @@ +/*- + * Copyright (c) 2003-2007 Tim Kientzle + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "test.h" +__FBSDID("$FreeBSD: src/lib/libarchive/test/test_compat_tar_hardlink.c,v 1.3 2008/08/11 01:19:36 kientzle Exp $"); + +/* + * Background: There are two written standards for the tar file format. + * The first is the POSIX 1988 "ustar" format, the second is the 2001 + * "pax extended" format that builds on the "ustar" format by adding + * support for generic additional attributes. Buried in the details + * is one frustrating incompatibility: The 1988 standard says that + * tar readers MUST ignore the size field on hardlink entries; the + * 2001 standard says that tar readers MUST obey the size field on + * hardlink entries. libarchive tries to navigate this particular + * minefield by using auto-detect logic to guess whether it should + * or should not obey the size field. + * + * This test tries to probe the boundaries of such handling; the test + * archives here were adapted from real archives created by real + * tar implementations that are (as of early 2008) apparently still + * in use. + */ + +static void +test_compat_tar_hardlink_1(void) +{ + char name[] = "test_compat_tar_hardlink_1.tar"; + struct archive_entry *ae; + struct archive *a; + + assert((a = archive_read_new()) != NULL); + assertEqualIntA(a, ARCHIVE_OK, archive_read_support_compression_all(a)); + assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); + extract_reference_file(name); + assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 10240)); + + /* Read first entry, which is a regular file. */ + assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae)); + assertEqualString("xmcd-3.3.2/docs_d/READMf", + archive_entry_pathname(ae)); + assertEqualString(NULL, archive_entry_hardlink(ae)); + assertEqualInt(321, archive_entry_size(ae)); + assertEqualInt(1082575645, archive_entry_mtime(ae)); + assertEqualInt(1851, archive_entry_uid(ae)); + assertEqualInt(3, archive_entry_gid(ae)); + assertEqualInt(0100444, archive_entry_mode(ae)); + + /* Read second entry, which is a hard link at the end of archive. */ + assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae)); + assertEqualString("xmcd-3.3.2/README", + archive_entry_pathname(ae)); + assertEqualString( + "xmcd-3.3.2/docs_d/READMf", + archive_entry_hardlink(ae)); + assertEqualInt(0, archive_entry_size(ae)); + assertEqualInt(1082575645, archive_entry_mtime(ae)); + assertEqualInt(1851, archive_entry_uid(ae)); + assertEqualInt(3, archive_entry_gid(ae)); + assertEqualInt(0100444, archive_entry_mode(ae)); + + /* Verify the end-of-archive. */ + /* + * This failed in libarchive 2.4.12 because the tar reader + * tried to obey the size field for the hard link and ended + * up running past the end of the file. + */ + assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae)); + + /* Verify that the format detection worked. */ + assertEqualInt(archive_compression(a), ARCHIVE_COMPRESSION_NONE); + assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR); + + assertEqualInt(ARCHIVE_OK, archive_read_close(a)); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_read_finish(a); +#else + assertEqualInt(ARCHIVE_OK, archive_read_finish(a)); +#endif +} + +DEFINE_TEST(test_compat_tar_hardlink) +{ + test_compat_tar_hardlink_1(); +} + + |