1 /*
2 * Copyright (C) International Business Machines Corp., 2001
3 * Ported by Wayne Boyer
4 * Adapted by Dustin Kirkland (k1rkland@us.ibm.com)
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
14 * the GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 /*
22 * Testcase to test the basic functionality of the setfsuid(2) system
23 * call when called by a user other than root.
24 */
25
26 #include <stdio.h>
27 #include <unistd.h>
28 #include <sys/types.h>
29 #include <errno.h>
30 #include <pwd.h>
31
32 #include "test.h"
33 #include "compat_16.h"
34
35 static void setup(void);
36 static void cleanup(void);
37
38 TCID_DEFINE(setfsuid03);
39 int TST_TOTAL = 1;
40
41 static char nobody_uid[] = "nobody";
42 static struct passwd *ltpuser;
43
main(int ac,char ** av)44 int main(int ac, char **av)
45 {
46 int lc;
47
48 uid_t uid;
49
50 tst_parse_opts(ac, av, NULL, NULL);
51
52 setup();
53
54 uid = 1;
55 while (!getpwuid(uid))
56 uid++;
57
58 UID16_CHECK(uid, setfsuid, cleanup);
59
60 for (lc = 0; TEST_LOOPING(lc); lc++) {
61
62 tst_count = 0;
63
64 TEST(SETFSUID(cleanup, uid));
65
66 if (TEST_RETURN == -1) {
67 tst_resm(TFAIL | TTERRNO,
68 "setfsuid() failed unexpectedly");
69 continue;
70 }
71
72 if (TEST_RETURN == uid) {
73 tst_resm(TFAIL,
74 "setfsuid() returned %ld, expected anything but %d",
75 TEST_RETURN, uid);
76 } else {
77 tst_resm(TPASS, "setfsuid() returned expected value : "
78 "%ld", TEST_RETURN);
79 }
80 }
81
82 cleanup();
83 tst_exit();
84 }
85
setup(void)86 static void setup(void)
87 {
88 tst_require_root();
89
90 ltpuser = getpwnam(nobody_uid);
91 if (ltpuser == NULL)
92 tst_brkm(TBROK, cleanup, "getpwnam failed for user id %s",
93 nobody_uid);
94
95 if (setuid(ltpuser->pw_uid) == -1)
96 tst_resm(TINFO | TERRNO, "setuid failed to "
97 "to set the effective uid to %d", ltpuser->pw_uid);
98
99 tst_sig(NOFORK, DEF_HANDLER, cleanup);
100
101 TEST_PAUSE;
102 }
103
cleanup(void)104 static void cleanup(void)
105 {
106 }
107