1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
4 * Copyright (c) 2021 Xie Ziyao <[email protected]>
5 *
6 * AUTHOR: William Roske
7 * CO-PILOT: Dave Fenner
8 *
9 * 12/2002 Paul Larson: Add functional test to compare output from hostid
10 * command and gethostid().
11 *
12 * 01/2003 Robbie Williamson: Add code to handle distros that add "0x" to
13 * beginning of `hostid` output.
14 *
15 * 01/2006 Marty Ridgeway: Correct 64 bit check so the second 64 bit check
16 * doesn't clobber the first 64 bit check.
17 *
18 * 07/2021 Xie Ziyao: Rewrite with newlib and use/test sethostid.
19 */
20
21 /*\
22 * [Description]
23 *
24 * Test the basic functionality of the sethostid() and gethostid() system call.
25 */
26
27 #include "tst_test.h"
28 #include "config.h"
29
30 #ifdef HAVE_SETHOSTID
31
32 static long origin;
33 static long tc[] = {0x00000000, 0x0000ffff};
34
run(unsigned int i)35 static void run(unsigned int i)
36 {
37 TST_EXP_PASS(sethostid(tc[i]), "set hostid to %ld", tc[i]);
38 TEST(gethostid());
39
40 if (TST_RET == -1)
41 tst_res(TFAIL | TTERRNO, "gethostid failed");
42
43 if (tc[i] == TST_RET)
44 tst_res(TPASS, "hostid is %ld, expected %ld", TST_RET, tc[i]);
45 else
46 tst_res(TFAIL, "hostid is %ld, expected %ld", TST_RET, tc[i]);
47 }
48
setup(void)49 static void setup(void)
50 {
51 TEST(gethostid());
52 if (TST_RET == -1)
53 tst_brk(TFAIL | TTERRNO, "gethostid failed");
54
55 tst_res(TINFO, "get original hostid: %ld", origin = TST_RET);
56 }
57
cleanup(void)58 static void cleanup(void)
59 {
60 TST_EXP_PASS(sethostid(origin), "set hostid to %ld", origin);
61 }
62
63 static struct tst_test test = {
64 .test = run,
65 .setup = setup,
66 .cleanup = cleanup,
67 .needs_root = 1,
68 .tcnt = ARRAY_SIZE(tc),
69 };
70
71 #else
72 TST_TEST_TCONF("sethostid is undefined.");
73 #endif
74