1 /*
2 * Copyright (C) 2012 Red Hat, Inc.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of version 2 of the GNU General Public
6 * License as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it would be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 *
12 * Further, this software is distributed without any warranty that it
13 * is free of the rightful claim of any third person regarding
14 * infringement or the like. Any license provided herein, whether
15 * implied or otherwise, applies only to this software file. Patent
16 * licenses, if any, provided herein do not apply to combinations of
17 * this program with other software, or any other product whatsoever.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 * 02110-1301, USA.
23 */
24
25 /*
26 * An empty buffer of size zero can be passed into getxattr(2) to return
27 * the current size of the named extended attribute.
28 */
29
30 #include "config.h"
31 #include <sys/types.h>
32 #include <sys/stat.h>
33 #include <sys/wait.h>
34 #include <errno.h>
35 #include <fcntl.h>
36 #include <unistd.h>
37 #include <signal.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #ifdef HAVE_SYS_XATTR_H
42 # include <sys/xattr.h>
43 #endif
44 #include "test.h"
45 #include "safe_macros.h"
46
47 char *TCID = "getxattr03";
48
49 #ifdef HAVE_SYS_XATTR_H
50 #define XATTR_TEST_KEY "user.testkey"
51 #define XATTR_TEST_VALUE "test value"
52 #define XATTR_TEST_VALUE_SIZE (sizeof(XATTR_TEST_VALUE) - 1)
53 #define TESTFILE "getxattr03testfile"
54
55 static void setup(void);
56 static void cleanup(void);
57
58 int TST_TOTAL = 1;
59
main(int argc,char * argv[])60 int main(int argc, char *argv[])
61 {
62 int lc;
63
64 tst_parse_opts(argc, argv, NULL, NULL);
65
66 setup();
67
68 for (lc = 0; TEST_LOOPING(lc); lc++) {
69 tst_count = 0;
70
71 TEST(getxattr(TESTFILE, XATTR_TEST_KEY, NULL, 0));
72
73 if (TEST_RETURN == XATTR_TEST_VALUE_SIZE)
74 tst_resm(TPASS, "getxattr(2) returned correct value");
75 else
76 tst_resm(TFAIL | TTERRNO, "getxattr(2) failed");
77 }
78
79 cleanup();
80 tst_exit();
81 }
82
setup(void)83 static void setup(void)
84 {
85 int fd;
86
87 tst_require_root();
88
89 tst_tmpdir();
90
91 /* Test for xattr support and set attr value */
92 fd = SAFE_CREAT(cleanup, TESTFILE, 0644);
93 close(fd);
94
95 if (setxattr(TESTFILE, XATTR_TEST_KEY, XATTR_TEST_VALUE,
96 XATTR_TEST_VALUE_SIZE, XATTR_CREATE) == -1) {
97 if (errno == ENOTSUP)
98 tst_brkm(TCONF, cleanup, "No xattr support in fs or "
99 "fs mounted without user_xattr option");
100 else
101 tst_brkm(TBROK | TERRNO, cleanup, "setxattr %s failed",
102 TESTFILE);
103 }
104
105 TEST_PAUSE;
106 }
107
cleanup(void)108 static void cleanup(void)
109 {
110 tst_rmdir();
111 }
112 #else /* HAVE_SYS_XATTR_H */
main(int argc,char * argv[])113 int main(int argc, char *argv[])
114 {
115 tst_brkm(TCONF, NULL, "<sys/xattr.h> does not exist.");
116 }
117 #endif
118