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 current time if the
13 * times argument is NULL and the user ID of the process is "root".
14 */
15
16 #include <utime.h>
17
18 #include "tst_test.h"
19 #include "tst_clocks.h"
20
21 #define MNT_POINT "mntpoint"
22 #define TEMP_FILE MNT_POINT"/tmp_file"
23 #define FILE_MODE 0444
24
setup(void)25 static void setup(void)
26 {
27 SAFE_TOUCH(TEMP_FILE, FILE_MODE, NULL);
28 }
29
run(void)30 static void run(void)
31 {
32 struct utimbuf utbuf;
33 struct stat stat_buf;
34 time_t pre_time, post_time;
35
36 utbuf.modtime = tst_get_fs_timestamp() - 5;
37 utbuf.actime = utbuf.modtime + 1;
38 TST_EXP_PASS_SILENT(utime(TEMP_FILE, &utbuf));
39 SAFE_STAT(TEMP_FILE, &stat_buf);
40
41 TST_EXP_EQ_LI(stat_buf.st_atime, utbuf.actime);
42 TST_EXP_EQ_LI(stat_buf.st_mtime, utbuf.modtime);
43
44 pre_time = tst_get_fs_timestamp();
45 TST_EXP_PASS(utime(TEMP_FILE, NULL), "utime(%s, NULL)", TEMP_FILE);
46 if (!TST_PASS)
47 return;
48 post_time = tst_get_fs_timestamp();
49 SAFE_STAT(TEMP_FILE, &stat_buf);
50
51 if (stat_buf.st_mtime < pre_time || stat_buf.st_mtime > post_time)
52 tst_res(TFAIL, "utime() did not set expected mtime, "
53 "pre_time: %ld, post_time: %ld, st_mtime: %ld",
54 pre_time, post_time, stat_buf.st_mtime);
55
56 if (stat_buf.st_atime < pre_time || stat_buf.st_atime > post_time)
57 tst_res(TFAIL, "utime() did not set expected atime, "
58 "pre_time: %ld, post_time: %ld, st_atime: %ld",
59 pre_time, post_time, stat_buf.st_atime);
60
61 }
62
63 static struct tst_test test = {
64 .test_all = run,
65 .setup = setup,
66 .needs_root = 1,
67 .mntpoint = MNT_POINT,
68 .mount_device = 1,
69 .all_filesystems = 1,
70 .skip_filesystems = (const char *const[]) {
71 "vfat",
72 "exfat",
73 NULL
74 }
75 };
76