1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
4 * Copyright (c) 2019 Petr Vorel <petr.vorel@gmail.com>
5 * Author: Saji Kumar.V.R <saji.kumar@wipro.com>
6 */
7
8 #include "setdomainname.h"
9
10 #define ERRNO_DESC(x) .exp_errno = x, .errno_desc = #x
11
12 #define MAX_NAME_LENGTH _UTSNAME_DOMAIN_LENGTH - 1
13
14 struct test_case {
15 char *desc;
16 char *name;
17 int len;
18 int exp_errno;
19 char *errno_desc;
20 } tcases[] = {
21 { "len == -1", TST_VALID_DOMAIN_NAME, -1, ERRNO_DESC(EINVAL) },
22 { "len > allowed maximum", TST_VALID_DOMAIN_NAME, MAX_NAME_LENGTH + 1, ERRNO_DESC(EINVAL) },
23 { "name == NULL", NULL, MAX_NAME_LENGTH, ERRNO_DESC(EFAULT) }
24 };
25
verify_setdomainname(unsigned int nr)26 void verify_setdomainname(unsigned int nr)
27 {
28 struct test_case *tcase = &tcases[nr];
29
30 TEST(do_setdomainname(tcase->name, (size_t) tcase->len));
31
32 tst_res(TINFO, "testing %s", tcase->desc);
33 if (TST_RET != -1) {
34 tst_res(TFAIL, "unexpected exit code: %ld", TST_RET);
35 return;
36 }
37
38 if (TST_ERR != tcase->exp_errno) {
39 tst_res(TFAIL | TTERRNO, "unexpected errno: %d, expected: %d",
40 TST_ERR, tcase->exp_errno);
41 return;
42 }
43
44 tst_res(TPASS | TTERRNO, "expected failure");
45 }
46
47 static struct tst_test test = {
48 .tcnt = ARRAY_SIZE(tcases),
49 .needs_root = 1,
50 .setup = setup,
51 .cleanup = cleanup,
52 .test = verify_setdomainname,
53 .test_variants = TEST_VARIANTS,
54 };
55