1 /*
2 * Copyright (c) International Business Machines Corp., 2001
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
12 * the GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18 /* DESCRIPTION
19 * This test will verify that setuid(2) syscall basic functionality.
20 * setuid(2) returns a value of 0 and uid has been set successfully
21 * as a normal or super user.
22 */
23
24 #include <errno.h>
25 #include <unistd.h>
26 #include <sys/types.h>
27 #include "tst_test.h"
28 #include "compat_tst_16.h"
29
verify_setuid(void)30 static void verify_setuid(void)
31 {
32 uid_t uid;
33
34 /* Set the effective user ID to the current real uid */
35 uid = getuid();
36 UID16_CHECK(uid, setuid);
37
38 TEST(SETUID(uid));
39 if (TST_RET == -1)
40 tst_res(TFAIL | TTERRNO, "setuid(%d) failed", uid);
41 else
42 tst_res(TPASS, "setuid(%d) successfully", uid);
43 }
44
45 static struct tst_test test = {
46 .test_all = verify_setuid,
47 };
48