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Diffstat (limited to 'Utilities/cmlibarchive/libarchive/test/test_write_disk_hardlink.c')
| -rw-r--r-- | Utilities/cmlibarchive/libarchive/test/test_write_disk_hardlink.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/libarchive/test/test_write_disk_hardlink.c b/Utilities/cmlibarchive/libarchive/test/test_write_disk_hardlink.c new file mode 100644 index 0000000..560a729 --- /dev/null +++ b/Utilities/cmlibarchive/libarchive/test/test_write_disk_hardlink.c @@ -0,0 +1,223 @@ +/*- + * 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_write_disk_hardlink.c,v 1.5 2008/09/05 06:13:11 kientzle Exp $"); + +#if defined(_WIN32) && !defined(__CYGWIN__) +/* Execution bits, Group members bits and others bits do not work. */ +#define UMASK 0177 +#define E_MASK (~0177) +#else +#define UMASK 022 +#define E_MASK (~0) +#endif + +/* + * Exercise hardlink recreation. + * + * File permissions are chosen so that the authoritive entry + * has the correct permission and the non-authoritive versions + * are just writeable files. + */ +DEFINE_TEST(test_write_disk_hardlink) +{ +#if ARCHIVE_VERSION_NUMBER < 1009000 + skipping("archive_write_disk_hardlink tests"); +#else + static const char data[]="abcdefghijklmnopqrstuvwxyz"; + struct archive *ad; + struct archive_entry *ae; + int r; + + /* Force the umask to something predictable. */ + assertUmask(UMASK); + + /* Write entries to disk. */ + assert((ad = archive_write_disk_new()) != NULL); + + /* + * First, use a tar-like approach; a regular file, then + * a separate "hardlink" entry. + */ + + /* Regular file. */ + assert((ae = archive_entry_new()) != NULL); + archive_entry_copy_pathname(ae, "link1a"); + archive_entry_set_mode(ae, S_IFREG | 0755); + archive_entry_set_size(ae, sizeof(data)); + assertEqualIntA(ad, 0, archive_write_header(ad, ae)); + assertEqualInt(sizeof(data), + archive_write_data(ad, data, sizeof(data))); + assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); + archive_entry_free(ae); + + /* Link. Size of zero means this doesn't carry data. */ + assert((ae = archive_entry_new()) != NULL); + archive_entry_copy_pathname(ae, "link1b"); + archive_entry_set_mode(ae, S_IFREG | 0642); + archive_entry_set_size(ae, 0); + archive_entry_copy_hardlink(ae, "link1a"); + assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); + if (r >= ARCHIVE_WARN) { + assertEqualInt(ARCHIVE_WARN, + archive_write_data(ad, data, sizeof(data))); + assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); + } + archive_entry_free(ae); + + /* + * Repeat tar approach test, but use unset to mark the + * hardlink as having no data. + */ + + /* Regular file. */ + assert((ae = archive_entry_new()) != NULL); + archive_entry_copy_pathname(ae, "link2a"); + archive_entry_set_mode(ae, S_IFREG | 0755); + archive_entry_set_size(ae, sizeof(data)); + assertEqualIntA(ad, 0, archive_write_header(ad, ae)); + assertEqualInt(sizeof(data), + archive_write_data(ad, data, sizeof(data))); + assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); + archive_entry_free(ae); + + /* Link. Unset size means this doesn't carry data. */ + assert((ae = archive_entry_new()) != NULL); + archive_entry_copy_pathname(ae, "link2b"); + archive_entry_set_mode(ae, S_IFREG | 0642); + archive_entry_unset_size(ae); + archive_entry_copy_hardlink(ae, "link2a"); + assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); + if (r >= ARCHIVE_WARN) { + assertEqualInt(ARCHIVE_WARN, + archive_write_data(ad, data, sizeof(data))); + assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); + } + archive_entry_free(ae); + + /* + * Second, try an old-cpio-like approach; a regular file, then + * another identical one (which has been marked hardlink). + */ + + /* Regular file. */ + assert((ae = archive_entry_new()) != NULL); + archive_entry_copy_pathname(ae, "link3a"); + archive_entry_set_mode(ae, S_IFREG | 0600); + archive_entry_set_size(ae, sizeof(data)); + assertEqualIntA(ad, 0, archive_write_header(ad, ae)); + assertEqualInt(sizeof(data), archive_write_data(ad, data, sizeof(data))); + assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); + archive_entry_free(ae); + + /* Link. */ + assert((ae = archive_entry_new()) != NULL); + archive_entry_copy_pathname(ae, "link3b"); + archive_entry_set_mode(ae, S_IFREG | 0755); + archive_entry_set_size(ae, sizeof(data)); + archive_entry_copy_hardlink(ae, "link3a"); + assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); + if (r > ARCHIVE_WARN) { + assertEqualInt(sizeof(data), + archive_write_data(ad, data, sizeof(data))); + assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); + } + archive_entry_free(ae); + + /* + * Finally, try a new-cpio-like approach, where the initial + * regular file is empty and the hardlink has the data. + */ + + /* Regular file. */ + assert((ae = archive_entry_new()) != NULL); + archive_entry_copy_pathname(ae, "link4a"); + archive_entry_set_mode(ae, S_IFREG | 0600); + archive_entry_set_size(ae, 0); + assertEqualIntA(ad, 0, archive_write_header(ad, ae)); +#if ARCHIVE_VERSION_NUMBER < 3000000 + assertEqualInt(ARCHIVE_WARN, archive_write_data(ad, data, 1)); +#else + assertEqualInt(-1, archive_write_data(ad, data, 1)); +#endif + assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); + archive_entry_free(ae); + + /* Link. */ + assert((ae = archive_entry_new()) != NULL); + archive_entry_copy_pathname(ae, "link4b"); + archive_entry_set_mode(ae, S_IFREG | 0755); + archive_entry_set_size(ae, sizeof(data)); + archive_entry_copy_hardlink(ae, "link4a"); + assertEqualIntA(ad, 0, r = archive_write_header(ad, ae)); + if (r > ARCHIVE_FAILED) { + assertEqualInt(sizeof(data), + archive_write_data(ad, data, sizeof(data))); + assertEqualIntA(ad, 0, archive_write_finish_entry(ad)); + } + archive_entry_free(ae); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_write_finish(ad); +#else + assertEqualInt(0, archive_write_finish(ad)); +#endif + + /* Test the entries on disk. */ + + /* Test #1 */ + /* If the hardlink was successfully created and the archive + * doesn't carry data for it, we consider it to be + * non-authoritive for meta data as well. This is consistent + * with GNU tar and BSD pax. */ + assertIsReg("link1a", 0755 & ~UMASK); + assertFileSize("link1a", sizeof(data)); + assertFileNLinks("link1a", 2); + assertIsHardlink("link1a", "link1b"); + + /* Test #2: Should produce identical results to test #1 */ + /* Note that marking a hardlink with size = 0 is treated the + * same as having an unset size. This is partly for backwards + * compatibility (we used to not have unset tracking, so + * relied on size == 0) and partly to match the model used by + * common file formats that store a size of zero for + * hardlinks. */ + assertIsReg("link2a", 0755 & ~UMASK); + assertFileSize("link2a", sizeof(data)); + assertFileNLinks("link2a", 2); + assertIsHardlink("link2a", "link2b"); + + /* Test #3 */ + assertIsReg("link3a", 0755 & ~UMASK); + assertFileSize("link3a", sizeof(data)); + assertFileNLinks("link3a", 2); + assertIsHardlink("link3a", "link3b"); + + /* Test #4 */ + assertIsReg("link4a", 0755 & ~UMASK); + assertFileNLinks("link4a", 2); + assertFileSize("link4a", sizeof(data)); + assertIsHardlink("link4a", "link4b"); +#endif +} |