1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) International Business Machines Corp., 2001
4 *
5 * Test Description:
6 * Verify that the system call stime() successfully sets the system's idea
7 * of date and time if invoked by "root" user.
8 *
9 * Expected Result:
10 * stime() should succeed to set the system data/time to the specified time.
11 *
12 * History
13 * 07/2001 John George
14 * -Ported
15 */
16
17 #include <time.h>
18 #include <sys/time.h>
19
20 #include "tst_test.h"
21 #include "stime_var.h"
22
23 static struct timeval real_time_tv;
24
run(void)25 static void run(void)
26 {
27 time_t new_time;
28 struct timeval pres_time_tv;
29
30 if (gettimeofday(&real_time_tv, NULL) < 0)
31 tst_brk(TBROK | TERRNO, "gettimeofday() failed");
32
33 new_time = real_time_tv.tv_sec + 30;
34
35 if (do_stime(&new_time) < 0) {
36 tst_res(TFAIL | TERRNO, "stime(%ld) failed", new_time);
37 return;
38 }
39
40 if (gettimeofday(&pres_time_tv, NULL) < 0)
41 tst_brk(TBROK | TERRNO, "gettimeofday() failed");
42
43 switch (pres_time_tv.tv_sec - new_time) {
44 case 0:
45 case 1:
46 tst_res(TINFO, "pt.tv_sec: %ld", pres_time_tv.tv_sec);
47 tst_res(TPASS, "system time was set to %ld", new_time);
48 break;
49 default:
50 tst_res(TFAIL, "system time not set to %ld (got: %ld)",
51 new_time, pres_time_tv.tv_sec);
52 }
53 }
54
setup(void)55 static void setup(void)
56 {
57 stime_info();
58 }
59
60 static struct tst_test test = {
61 .test_all = run,
62 .needs_root = 1,
63 .restore_wallclock = 1,
64 .setup = setup,
65 .test_variants = TEST_VARIANTS,
66 };
67