xref: /aosp_15_r20/external/ltp/testcases/kernel/syscalls/setuid/setuid01.c (revision 49cdfc7efb34551c7342be41a7384b9c40d7cab7)
1*49cdfc7eSAndroid Build Coastguard Worker // SPDX-License-Identifier: GPL-2.0-or-later
2*49cdfc7eSAndroid Build Coastguard Worker /*
3*49cdfc7eSAndroid Build Coastguard Worker  * Copyright (c) International Business Machines Corp., 2001
4*49cdfc7eSAndroid Build Coastguard Worker  * Copyright (c) Linux Test Project, 2009-2022
5*49cdfc7eSAndroid Build Coastguard Worker  */
6*49cdfc7eSAndroid Build Coastguard Worker 
7*49cdfc7eSAndroid Build Coastguard Worker /*\
8*49cdfc7eSAndroid Build Coastguard Worker  * [Description]
9*49cdfc7eSAndroid Build Coastguard Worker  *
10*49cdfc7eSAndroid Build Coastguard Worker  * Verify that setuid(2) returns 0 and effective uid has
11*49cdfc7eSAndroid Build Coastguard Worker  * been set successfully as a normal or super user.
12*49cdfc7eSAndroid Build Coastguard Worker  */
13*49cdfc7eSAndroid Build Coastguard Worker 
14*49cdfc7eSAndroid Build Coastguard Worker #include <errno.h>
15*49cdfc7eSAndroid Build Coastguard Worker #include <unistd.h>
16*49cdfc7eSAndroid Build Coastguard Worker #include <sys/types.h>
17*49cdfc7eSAndroid Build Coastguard Worker #include "tst_test.h"
18*49cdfc7eSAndroid Build Coastguard Worker #include "compat_tst_16.h"
19*49cdfc7eSAndroid Build Coastguard Worker 
verify_setuid(void)20*49cdfc7eSAndroid Build Coastguard Worker static void verify_setuid(void)
21*49cdfc7eSAndroid Build Coastguard Worker {
22*49cdfc7eSAndroid Build Coastguard Worker 	uid_t uid;
23*49cdfc7eSAndroid Build Coastguard Worker 
24*49cdfc7eSAndroid Build Coastguard Worker 	uid = getuid();
25*49cdfc7eSAndroid Build Coastguard Worker 	UID16_CHECK(uid, setuid);
26*49cdfc7eSAndroid Build Coastguard Worker 
27*49cdfc7eSAndroid Build Coastguard Worker 	TST_EXP_PASS(SETUID(uid), "setuid(%d)", uid);
28*49cdfc7eSAndroid Build Coastguard Worker }
29*49cdfc7eSAndroid Build Coastguard Worker 
30*49cdfc7eSAndroid Build Coastguard Worker static struct tst_test test = {
31*49cdfc7eSAndroid Build Coastguard Worker 	.test_all = verify_setuid,
32*49cdfc7eSAndroid Build Coastguard Worker };
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