/*-
* Copyright (c) 2003-2009 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("$FreeBSD$");
#if defined(__FreeBSD__) && __FreeBSD__ > 4
#include <sys/extattr.h>
#endif
/*
* Verify extended attribute restore-to-disk. This test is FreeBSD-specific.
*/
DEFINE_TEST(test_extattr_freebsd)
{
#if !defined(__FreeBSD__)
skipping("FreeBSD-specific extattr restore test");
#elif __FreeBSD__ < 5
skipping("extattr restore supported only on FreeBSD 5.0 and later");
#else
char buff[64];
const char *xname;
const void *xval;
size_t xsize;
struct stat st;
struct archive *a;
struct archive_entry *ae;
int n, fd;
int extattr_privilege_bug = 0;
/*
* First, do a quick manual set/read of an extended attribute
* to verify that the local filesystem does support it. If it
* doesn't, we'll simply skip the remaining tests.
*/
/* Create a test file and try to set an ACL on it. */
fd = open("pretest", O_RDWR | O_CREAT, 0777);
failure("Could not create test file?!");
if (!assert(fd >= 0))
return;
errno = 0;
n = extattr_set_fd(fd, EXTATTR_NAMESPACE_USER, "testattr", "1234", 4);
if (n != 4 && errno == EOPNOTSUPP) {
close(fd);
skipping("extattr tests require that extattr support be enabled on the filesystem");
return;
}
failure("extattr_set_fd(): errno=%d (%s)", errno, strerror(errno));
assertEqualInt(4, n);
close(fd);
/*
* Repeat the above, but with file permissions set to 0000.
* This should work (extattr_set_fd() should follow fd
* permissions, not file permissions), but is known broken on
* some versions of FreeBSD.
*/
fd = open("pretest2", O_RDWR | O_CREAT, 00000);
failure("Could not create test file?!");
if (!assert(fd >= 0))
return;
n = extattr_set_fd(fd, EXTATTR_NAMESPACE_USER, "testattr", "1234", 4);
if (n != 4) {
skipping("Restoring xattr to an unwritable file seems to be broken on this platform");
extattr_privilege_bug = 1;
}
close(fd);
/* Create a write-to-disk object. */
assert(NULL != (a = archive_write_disk_new()));
archive_write_disk_set_options(a,
ARCHIVE_EXTRACT_TIME | ARCHIVE_EXTRACT_PERM | ARCHIVE_EXTRACT_XATTR);
/* Populate an archive entry with an extended attribute. */
ae = archive_entry_new();
assert(ae != NULL);
archive_entry_set_pathname(ae, "test0");
archive_entry_set_mtime(ae, 123456, 7890);
archive_entry_set_size(ae, 0);
archive_entry_set_mode(ae, 0755);
archive_entry_xattr_add_entry(ae, "user.foo", "12345", 5);
assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
archive_entry_free(ae);
/* Another entry; similar but with mode = 0. */
ae = archive_entry_new();
assert(ae != NULL);
archive_entry_set_pathname(ae, "test1");
archive_entry_set_mtime(ae, 12345678, 7890);
archive_entry_set_size(ae, 0);
archive_entry_set_mode(ae, 0);
archive_entry_xattr_add_entry(ae, "user.bar", "123456", 6);
if (extattr_privilege_bug)
/* If the bug is here, write_header will return warning. */
assertEqualIntA(a, ARCHIVE_WARN,
archive_write_header(a, ae));
else
assertEqualIntA(a, ARCHIVE_OK,
archive_write_header(a, ae));
archive_entry_free(ae);
/* Close the archive. */
assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
assertEqualInt(ARCHIVE_OK, archive_write_finish(a));
/* Verify the data on disk. */
assertEqualInt(0, stat("test0", &st));
assertEqualInt(st.st_mtime, 123456);
/* Verify extattr */
n = extattr_get_file("test0", EXTATTR_NAMESPACE_USER,
"foo", buff, sizeof(buff));
if (assertEqualInt(n, 5)) {
buff[n] = '\0';
assertEqualString(buff, "12345");
}
/* Verify the data on disk. */
assertEqualInt(0, stat("test1", &st));
assertEqualInt(st.st_mtime, 12345678);
/* Verify extattr */
n = extattr_get_file("test1", EXTATTR_NAMESPACE_USER,
"bar", buff, sizeof(buff));
if (extattr_privilege_bug) {
/* If we have the bug, the extattr won't have been written. */
assertEqualInt(n, -1);
} else {
if (assertEqualInt(n, 6)) {
buff[n] = '\0';
assertEqualString(buff, "123456");
}
}
/* Use libarchive APIs to read the file back into an entry and
* verify that the extattr was read correctly. */
assert((a = archive_read_disk_new()) != NULL);
assert((ae = archive_entry_new()) != NULL);
archive_entry_set_pathname(ae, "test0");
assertEqualInt(ARCHIVE_OK,
archive_read_disk_entry_from_file(a, ae, -1, NULL));
assertEqualInt(1, archive_entry_xattr_reset(ae));
assertEqualInt(ARCHIVE_OK,
archive_entry_xattr_next(ae, &xname, &xval, &xsize));
assertEqualString(xname, "user.foo");
assertEqualInt(xsize, 5);
assertEqualMem(xval, "12345", xsize);
assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
assertEqualInt(ARCHIVE_OK, archive_read_finish(a));
archive_entry_free(ae);
#endif
}