xref: /aosp_15_r20/external/ltp/testcases/kernel/syscalls/fchown/fchown01.c (revision 49cdfc7efb34551c7342be41a7384b9c40d7cab7)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (c) Linux Test Project, 2006-2021
4  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
5  * Author: William Roske
6  * Ported to LTP: Dave Fenner
7  */
8 
9 /*\
10  * [Description]
11  *
12  * Basic test for fchown(). Call fchown() on a fd and expect it to pass.
13  */
14 
15 #include <fcntl.h>
16 #include <sys/stat.h>
17 #include <sys/types.h>
18 
19 #include "tst_test.h"
20 #include "compat_tst_16.h"
21 
22 #define FILENAME "fchown01_testfile"
23 #define MODE 0700
24 
25 static int fd;
26 static uid_t uid;
27 static gid_t gid;
28 
run(void)29 static void run(void)
30 {
31 	TST_EXP_PASS(FCHOWN(fd, uid, gid),
32 		"fchown(%i, %i, %i)", fd, uid, gid);
33 }
34 
setup(void)35 static void setup(void)
36 {
37 	UID16_CHECK(uid = geteuid(), "fchown");
38 	GID16_CHECK(gid = getegid(), "fchown");
39 	fd = SAFE_OPEN(FILENAME, O_RDWR | O_CREAT, MODE);
40 }
41 
cleanup(void)42 static void cleanup(void)
43 {
44 	if (fd > 0)
45 		SAFE_CLOSE(fd);
46 }
47 
48 static struct tst_test test = {
49 	.needs_tmpdir = 1,
50 	.setup = setup,
51 	.cleanup = cleanup,
52 	.test_all = run,
53 };
54