xref: /aosp_15_r20/external/ltp/testcases/kernel/syscalls/setfsuid/setfsuid02.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  * Ported by Wayne Boyer
5*49cdfc7eSAndroid Build Coastguard Worker  * Adapted by Dustin Kirkland ([email protected])
6*49cdfc7eSAndroid Build Coastguard Worker  * Copyright (c) 2022 SUSE LLC Avinesh Kumar <[email protected]>
7*49cdfc7eSAndroid Build Coastguard Worker  */
8*49cdfc7eSAndroid Build Coastguard Worker 
9*49cdfc7eSAndroid Build Coastguard Worker /*\
10*49cdfc7eSAndroid Build Coastguard Worker  * [Description]
11*49cdfc7eSAndroid Build Coastguard Worker  *
12*49cdfc7eSAndroid Build Coastguard Worker  * Verify that setfsuid() syscall fails if an invalid fsuid is given.
13*49cdfc7eSAndroid Build Coastguard Worker  */
14*49cdfc7eSAndroid Build Coastguard Worker 
15*49cdfc7eSAndroid Build Coastguard Worker #include <pwd.h>
16*49cdfc7eSAndroid Build Coastguard Worker #include "tst_test.h"
17*49cdfc7eSAndroid Build Coastguard Worker #include "compat_tst_16.h"
18*49cdfc7eSAndroid Build Coastguard Worker 
run(void)19*49cdfc7eSAndroid Build Coastguard Worker static void run(void)
20*49cdfc7eSAndroid Build Coastguard Worker {
21*49cdfc7eSAndroid Build Coastguard Worker 	uid_t invalid_uid, current_uid;
22*49cdfc7eSAndroid Build Coastguard Worker 
23*49cdfc7eSAndroid Build Coastguard Worker 	current_uid = geteuid();
24*49cdfc7eSAndroid Build Coastguard Worker 	invalid_uid = (UID_T)-1;
25*49cdfc7eSAndroid Build Coastguard Worker 
26*49cdfc7eSAndroid Build Coastguard Worker 	UID16_CHECK(invalid_uid, setfsuid);
27*49cdfc7eSAndroid Build Coastguard Worker 
28*49cdfc7eSAndroid Build Coastguard Worker 	TST_EXP_VAL_SILENT(SETFSUID(invalid_uid), (long)current_uid);
29*49cdfc7eSAndroid Build Coastguard Worker 	TST_EXP_VAL(SETFSUID(invalid_uid), (long)current_uid,
30*49cdfc7eSAndroid Build Coastguard Worker 		    "setfsuid(invalid_fsuid) test for expected failure:");
31*49cdfc7eSAndroid Build Coastguard Worker }
32*49cdfc7eSAndroid Build Coastguard Worker 
33*49cdfc7eSAndroid Build Coastguard Worker static struct tst_test test = {
34*49cdfc7eSAndroid Build Coastguard Worker 	.test_all = run
35*49cdfc7eSAndroid Build Coastguard Worker };
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