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() fails to set the system's idea
7 *   of data and time if invoked by "non-root" user.
8 *
9 * Expected Result:
10 *  stime() should fail with return value -1 and set errno to EPERM.
11 *
12 * History
13 *	07/2001 John George
14 *		-Ported
15 */
16
17#include <sys/types.h>
18#include <errno.h>
19#include <time.h>
20#include <pwd.h>
21
22#include "tst_test.h"
23#include "stime_var.h"
24
25static time_t new_time;
26
27static void run(void)
28{
29	TEST(do_stime(&new_time));
30	if (TST_RET != -1) {
31		tst_res(TFAIL,
32			"stime() returned %ld, expected -1 EPERM", TST_RET);
33		return;
34	}
35
36	if (TST_ERR == EPERM) {
37		tst_res(TPASS | TTERRNO, "stime(2) fails, Caller not root");
38		return;
39	}
40
41	tst_res(TFAIL | TTERRNO,
42		"stime(2) fails, Caller not root, expected errno:%d", EPERM);
43}
44
45static void setup(void)
46{
47	time_t curr_time;
48	struct passwd *ltpuser;
49
50	stime_info();
51
52	ltpuser = SAFE_GETPWNAM("nobody");
53	SAFE_SETUID(ltpuser->pw_uid);
54
55	if ((curr_time = time(NULL)) < 0)
56		tst_brk(TBROK | TERRNO, "time() failed");
57
58	new_time = curr_time + 10;
59}
60
61static struct tst_test test = {
62	.test_all = run,
63	.setup = setup,
64	.needs_root = 1,
65	.test_variants = TEST_VARIANTS,
66};
67