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
46 static void setup(void);
47 static void cleanup(void);
48
49 char *TCID = "mknod01";
50
51 #define PATH "test_node"
52
53 int 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
64 int TST_TOTAL = ARRAY_SIZE(tcases);
65
main(int ac,char ** av)66 int 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
setup(void)109 void setup(void)
110 {
111 tst_require_root();
112 tst_sig(NOFORK, DEF_HANDLER, cleanup);
113
114 TEST_PAUSE;
115
116 tst_tmpdir();
117 }
118
cleanup(void)119 void cleanup(void)
120 {
121 tst_rmdir();
122 }
123