mknod01.c revision 3337c31d357747a14a06707e7a1b7001f14f7805 
1/*
2 * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
3 *  AUTHOR		: William Roske
4 *  CO-PILOT		: Dave Fenner
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of version 2 of the GNU General Public License as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it would be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 *
14 * Further, this software is distributed without any warranty that it is
15 * free of the rightful claim of any third person regarding infringement
16 * or the like.  Any license provided herein, whether implied or
17 * otherwise, applies only to this software file.  Patent licenses, if
18 * any, provided herein do not apply to combinations of this program with
19 * other software, or any other product whatsoever.
20 *
21 * You should have received a copy of the GNU General Public License along
22 * with this program; if not, write the Free Software Foundation, Inc.,
23 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
26 * Mountain View, CA  94043, or:
27 *
28 * http://www.sgi.com
29 *
30 * For further information regarding this notice, see:
31 *
32 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
33 *
34 */
35
36#include <unistd.h>
37#include <errno.h>
38#include <string.h>
39#include <signal.h>
40#include <sys/types.h>
41#include <sys/stat.h>
42
43#include "test.h"
44#include "safe_macros.h"
45
46static void setup(void);
47static void cleanup(void);
48
49char *TCID = "mknod01";
50
51#define PATH "test_node"
52
53int tcases[] = {		/* modes to give nodes created (1 per text case) */
54	S_IFREG | 0777,		/* ordinary file with mode 0777 */
55	S_IFIFO | 0777,		/* fifo special with mode 0777 */
56	S_IFCHR | 0777,		/* character special with mode 0777 */
57	S_IFBLK | 0777,		/* block special with mode 0777 */
58
59	S_IFREG | 04700,	/* ordinary file with mode 04700 (suid) */
60	S_IFREG | 02700,	/* ordinary file with mode 02700 (sgid) */
61	S_IFREG | 06700,	/* ordinary file with mode 06700 (sgid & suid) */
62};
63
64int TST_TOTAL = ARRAY_SIZE(tcases);
65
66int main(int ac, char **av)
67{
68	int lc, i;
69	dev_t dev;
70
71	tst_parse_opts(ac, av, NULL, NULL);
72
73	setup();
74
75	for (lc = 0; TEST_LOOPING(lc); lc++) {
76		tst_count = 0;
77
78		for (i = 0; i < TST_TOTAL; i++) {
79			/*
80			 * overlayfs doesn't support mknod char device with
81			 * major 0 and minor 0, which is known as whiteout_dev
82			 */
83			if (S_ISCHR(tcases[i]))
84				dev = makedev(1, 3);
85			else
86				dev = 0;
87			TEST(mknod(PATH, tcases[i], dev));
88
89			if (TEST_RETURN == -1) {
90				tst_resm(TFAIL,
91					 "mknod(%s, %#o, %lu) failed, errno=%d : %s",
92					 PATH, tcases[i], dev, TEST_ERRNO,
93					 strerror(TEST_ERRNO));
94			} else {
95				tst_resm(TPASS,
96					 "mknod(%s, %#o, %lu) returned %ld",
97					 PATH, tcases[i], dev, TEST_RETURN);
98			}
99
100			SAFE_UNLINK(cleanup, PATH);
101		}
102
103	}
104
105	cleanup();
106	tst_exit();
107}
108
109void setup(void)
110{
111	tst_require_root();
112	tst_sig(NOFORK, DEF_HANDLER, cleanup);
113
114	TEST_PAUSE;
115
116	tst_tmpdir();
117}
118
119void cleanup(void)
120{
121	tst_rmdir();
122}
123