1 /*
2 * Copyright (c) International Business Machines Corp., 2001
3 * 07/2001 Ported by Wayne Boyer
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 /*
21 * DESCRIPTION
22 * This test will verify the mkdir(2) syscall basic functionality
23 */
24
25 #include <errno.h>
26 #include <string.h>
27 #include <signal.h>
28 #include <sys/stat.h>
29 #include <sys/types.h>
30 #include <fcntl.h>
31 #include <unistd.h>
32 #include <pwd.h>
33 #include "test.h"
34 #include "safe_macros.h"
35
36 void setup();
37 void cleanup();
38
39 #define PERMS 0777
40
41 char *TCID = "mkdir05";
42 int TST_TOTAL = 1;
43
44 char nobody_uid[] = "nobody";
45 struct passwd *ltpuser;
46
47 char tstdir1[100];
48
main(int ac,char ** av)49 int main(int ac, char **av)
50 {
51 int lc;
52 struct stat buf;
53
54 /*
55 * parse standard options
56 */
57 tst_parse_opts(ac, av, NULL, NULL);
58
59 /*
60 * perform global setup for test
61 */
62 setup();
63
64 /*
65 * check looping state if -i option given
66 */
67 for (lc = 0; TEST_LOOPING(lc); lc++) {
68
69 tst_count = 0;
70
71 /*
72 * TEST mkdir() base functionality
73 */
74
75 /* Initialize the test directory name */
76 sprintf(tstdir1, "tstdir1.%d", getpid());
77
78 /* Call mkdir(2) using the TEST macro */
79 TEST(mkdir(tstdir1, PERMS));
80
81 if (TEST_RETURN == -1) {
82 tst_resm(TFAIL, "mkdir(%s, %#o) Failed",
83 tstdir1, PERMS);
84 continue;
85 }
86
87 SAFE_STAT(cleanup, tstdir1, &buf);
88 /* check the owner */
89 if (buf.st_uid != geteuid()) {
90 tst_resm(TFAIL, "mkdir() FAILED to set owner ID"
91 " as process's effective ID");
92 continue;
93 }
94 /* check the group ID */
95 if (buf.st_gid != getegid()) {
96 tst_resm(TFAIL, "mkdir() failed to set group ID"
97 " as the process's group ID");
98 continue;
99 }
100 tst_resm(TPASS, "mkdir() functionality is correct");
101
102 /* clean up things in case we are looping */
103 SAFE_RMDIR(cleanup, tstdir1);
104
105 }
106
107 cleanup();
108 tst_exit();
109 }
110
111 /*
112 * setup() - performs all ONE TIME setup for this test.
113 */
setup(void)114 void setup(void)
115 {
116 tst_require_root();
117
118 ltpuser = getpwnam(nobody_uid);
119 if (setuid(ltpuser->pw_uid) == -1) {
120 tst_resm(TINFO, "setuid failed to "
121 "to set the effective uid to %d", ltpuser->pw_uid);
122 perror("setuid");
123 }
124
125 tst_sig(FORK, DEF_HANDLER, cleanup);
126
127 TEST_PAUSE;
128
129 /* Create a temporary directory and make it current. */
130 tst_tmpdir();
131 }
132
133 /*
134 * cleanup() - performs all ONE TIME cleanup for this test at
135 * completion or premature exit.
136 */
cleanup(void)137 void cleanup(void)
138 {
139
140 /*
141 * Remove the temporary directory.
142 */
143 tst_rmdir();
144
145 /*
146 * Exit with return code appropriate for results.
147 */
148
149 }
150