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/*-
* 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("$FreeBSD$");
#define UMASK 022
/*
* 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_STAMP < 1009000
skipping("archive_write_disk_hardlink tests");
#else
static const char data[]="abcdefghijklmnopqrstuvwxyz";
struct archive *ad;
struct archive_entry *ae;
struct stat st, st2;
/* Force the umask to something predictable. */
umask(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. */
assert((ae = archive_entry_new()) != NULL);
archive_entry_copy_pathname(ae, "link1b");
archive_entry_set_mode(ae, S_IFREG | 0600);
archive_entry_set_size(ae, 0);
archive_entry_copy_hardlink(ae, "link1a");
assertEqualIntA(ad, 0, archive_write_header(ad, ae));
assertEqualInt(0, 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, "link2a");
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, "link2b");
archive_entry_set_mode(ae, S_IFREG | 0755);
archive_entry_set_size(ae, sizeof(data));
archive_entry_copy_hardlink(ae, "link2a");
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);
/*
* 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, "link3a");
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, "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, 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);
#if ARCHIVE_VERSION_NUMBER < 2000000
archive_write_finish(ad);
#else
assertEqualInt(0, archive_write_finish(ad));
#endif
/* Test the entries on disk. */
assert(0 == stat("link1a", &st));
assertEqualInt(st.st_mode, (S_IFREG | 0755) & ~UMASK);
assertEqualInt(st.st_size, sizeof(data));
assertEqualInt(st.st_nlink, 2);
assert(0 == stat("link1b", &st2));
assertEqualInt(st2.st_mode, (S_IFREG | 0755) & ~UMASK);
assertEqualInt(st2.st_size, sizeof(data));
assertEqualInt(st2.st_nlink, 2);
assertEqualInt(st.st_ino, st2.st_ino);
assertEqualInt(st.st_dev, st2.st_dev);
assert(0 == stat("link2a", &st));
assertEqualInt(st.st_mode, (S_IFREG | 0755) & ~UMASK);
assertEqualInt(st.st_size, sizeof(data));
assertEqualInt(st.st_nlink, 2);
assert(0 == stat("link2b", &st2));
assertEqualInt(st2.st_mode, (S_IFREG | 0755) & ~UMASK);
assertEqualInt(st2.st_size, sizeof(data));
assertEqualInt(st2.st_nlink, 2);
assertEqualInt(st.st_ino, st2.st_ino);
assertEqualInt(st.st_dev, st2.st_dev);
assert(0 == stat("link3a", &st));
assertEqualInt(st.st_mode, (S_IFREG | 0755) & ~UMASK);
assertEqualInt(st.st_size, sizeof(data));
assertEqualInt(st.st_nlink, 2);
assert(0 == stat("link3b", &st2));
assertEqualInt(st2.st_mode, (S_IFREG | 0755) & ~UMASK);
assertEqualInt(st2.st_size, sizeof(data));
assertEqualInt(st2.st_nlink, 2);
assertEqualInt(st.st_ino, st2.st_ino);
assertEqualInt(st.st_dev, st2.st_dev);
#endif
}
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