1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2016 Linux Test Project
4 * Copyright (c) International Business Machines Corp., 2001
5 * 03/2001 - Written by Wayne Boyer
6 * Copyright (c) 2016 Cyril Hrubis <chrubis@suse.cz>
7 * Copyright (C) 2023 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
8 */
9
10 /*\
11 * [Description]
12 *
13 * Tries to set different personalities.
14 *
15 * We set the personality in a child process since it's not guaranteed that we
16 * can set it back in some cases. I.e. PER_LINUX32 cannot be unset on some 64
17 * bit archs.
18 */
19
20 #include "tst_test.h"
21 #include "lapi/personality.h"
22
23 #define PAIR(id) {id, #id}
24
25 struct personalities {
26 unsigned long pers;
27 const char *name;
28 };
29
30 static struct personalities pers[] = {
31 PAIR(PER_LINUX),
32 PAIR(PER_LINUX_32BIT),
33 PAIR(PER_SVR4),
34 PAIR(PER_SVR3),
35 PAIR(PER_SCOSVR3),
36 PAIR(PER_OSR5),
37 PAIR(PER_WYSEV386),
38 PAIR(PER_ISCR4),
39 PAIR(PER_BSD),
40 PAIR(PER_XENIX),
41 #if defined(__x86_64__)
42 PAIR(PER_LINUX32),
43 #endif
44 PAIR(PER_IRIX32),
45 PAIR(PER_IRIXN32),
46 PAIR(PER_IRIX64),
47 PAIR(PER_RISCOS),
48 PAIR(PER_SOLARIS),
49 PAIR(PER_UW7),
50 PAIR(PER_OSF4),
51 PAIR(PER_HPUX),
52 };
53
run(unsigned int i)54 static void run(unsigned int i)
55 {
56 pid_t pid;
57
58 pid = SAFE_FORK();
59 if (!pid) {
60 SAFE_PERSONALITY(pers[i].pers);
61
62 TST_EXP_EXPR((unsigned long)SAFE_PERSONALITY(0xffffffff) == pers[i].pers,
63 "%s personality is set",
64 pers[i].name);
65
66 return;
67 }
68 }
69
70 static struct tst_test test = {
71 .test = run,
72 .tcnt = ARRAY_SIZE(pers),
73 .forks_child = 1,
74 };
75