xref: /aosp_15_r20/external/ltp/testcases/kernel/syscalls/utime/utime04.c (revision 49cdfc7efb34551c7342be41a7384b9c40d7cab7)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (c) International Business Machines  Corp., 2001
4  * 07/2001 ported by John George
5  * Copyright (c) 2022 SUSE LLC Avinesh Kumar <[email protected]>
6  */
7 
8 /*\
9  * [Description]
10  *
11  * Verify that the system call utime() successfully changes the last
12  * access and modification times of a file to the values specified by
13  * times argument, under the following constraints:
14  *
15  * - The times argument is not NULL.
16  * - The user ID of the process is "root".
17  */
18 
19 #include <utime.h>
20 #include "tst_test.h"
21 
22 #define MNT_POINT	"mntpoint"
23 #define TEMP_FILE	MNT_POINT"/tmp_file"
24 
25 #define FILE_MODE	0444
26 #define NEW_MODF_TIME	10000
27 #define NEW_ACCESS_TIME	20000
28 
29 static struct utimbuf times = {
30 	.modtime = NEW_MODF_TIME,
31 	.actime = NEW_ACCESS_TIME
32 };
33 
setup(void)34 static void setup(void)
35 {
36 	SAFE_TOUCH(TEMP_FILE, FILE_MODE, NULL);
37 }
38 
run(void)39 static void run(void)
40 {
41 	struct stat stat_buf;
42 
43 	TST_EXP_PASS(utime(TEMP_FILE, &times), "utime(%s, &times)", TEMP_FILE);
44 	if (!TST_PASS)
45 		return;
46 
47 	SAFE_STAT(TEMP_FILE, &stat_buf);
48 
49 	TST_EXP_EQ_LI(stat_buf.st_mtime, NEW_MODF_TIME);
50 	TST_EXP_EQ_LI(stat_buf.st_atime, NEW_ACCESS_TIME);
51 }
52 
53 static struct tst_test test = {
54 	.test_all = run,
55 	.setup = setup,
56 	.needs_root = 1,
57 	.mount_device = 1,
58 	.mntpoint = MNT_POINT,
59 	.all_filesystems = 1,
60 	.skip_filesystems = (const char *const[]) {
61 		"vfat",
62 		"exfat",
63 		NULL
64 	}
65 };
66