1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
4 * Nirmala Devi Dhanasekar <[email protected]>
5 * Copyright (C) 2023 SUSE LLC Andrea Cervesato <[email protected]>
6 */
7
8 /*\
9 * [Description]
10 *
11 * Verify that mount(2) returns -1 and sets errno to EPERM if the user
12 * is not root.
13 */
14
15 #include "tst_test.h"
16 #include <pwd.h>
17 #include <sys/mount.h>
18
19 #define MNTPOINT "mntpoint"
20
cleanup(void)21 static void cleanup(void)
22 {
23 if (tst_is_mounted(MNTPOINT))
24 SAFE_UMOUNT(MNTPOINT);
25 }
26
run(void)27 static void run(void)
28 {
29 struct passwd *ltpuser;
30
31 ltpuser = SAFE_GETPWNAM("nobody");
32 SAFE_SETEUID(ltpuser->pw_uid);
33
34 TST_EXP_FAIL(
35 mount(tst_device->dev, MNTPOINT, tst_device->fs_type, 0, NULL),
36 EPERM,
37 "mount() failed expectedly for normal user"
38 );
39
40 if (tst_is_mounted(MNTPOINT))
41 SAFE_UMOUNT(MNTPOINT);
42 }
43
44 static struct tst_test test = {
45 .cleanup = cleanup,
46 .test_all = run,
47 .needs_root = 1,
48 .format_device = 1,
49 .mntpoint = MNTPOINT,
50 };
51