1 /*
2 * Copyright (c) International Business Machines Corp., 2001
3 * 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
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 /*
21 * ALGORITHM
22 * As root sets the current group id to ltpuser1, verify the results
23 */
24 #include <pwd.h>
25 #include <errno.h>
26
27 #include "test.h"
28 #include <compat_16.h>
29
30 TCID_DEFINE(setgid03);
31 int TST_TOTAL = 1;
32
33 static char ltpuser1[] = "nobody";
34 static char root[] = "root";
35 static struct passwd *ltpuser1pwent, *rootpwent;
36 static gid_t mygid;
37
38 static void setup(void);
39 static void cleanup(void);
40
main(int ac,char ** av)41 int main(int ac, char **av)
42 {
43 int lc;
44
45 tst_parse_opts(ac, av, NULL, NULL);
46
47 setup();
48
49 for (lc = 0; TEST_LOOPING(lc); lc++) {
50 tst_count = 0;
51
52 TEST(SETGID(cleanup, ltpuser1pwent->pw_gid));
53
54 if (TEST_RETURN == -1) {
55 tst_resm(TFAIL, "call failed unexpectedly");
56 continue;
57 }
58
59 if (getgid() != ltpuser1pwent->pw_gid) {
60 tst_resm(TFAIL, "setgid failed to set gid to "
61 "ltpuser1's gid");
62 } else {
63 tst_resm(TPASS, "functionality of getgid() is correct");
64 }
65 }
66
67 cleanup();
68 tst_exit();
69 }
70
setup(void)71 static void setup(void)
72 {
73 tst_require_root();
74
75 tst_sig(NOFORK, DEF_HANDLER, cleanup);
76
77 TEST_PAUSE;
78
79 if ((rootpwent = getpwnam(root)) == NULL) {
80 tst_brkm(TBROK, cleanup, "getpwnam failed for "
81 "user id %s", root);
82 }
83
84 mygid = getgid();
85
86 if (mygid != rootpwent->pw_gid) {
87 tst_brkm(TBROK, cleanup, "real group id is not root");
88 }
89
90 if ((ltpuser1pwent = getpwnam(ltpuser1)) == NULL) {
91 tst_brkm(TBROK, cleanup, "getpwnam failed for user "
92 "id %s", ltpuser1);
93 }
94
95 GID16_CHECK(ltpuser1pwent->pw_gid, setgid, cleanup);
96 }
97
cleanup(void)98 static void cleanup(void)
99 {
100 }
101