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484e672d | 1 | /* Check dlopen failure on audit modules. |
581c785b | 2 | Copyright (C) 2021-2022 Free Software Foundation, Inc. |
484e672d AZ |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <dlfcn.h> | |
20 | #include <link.h> | |
21 | #include <stdlib.h> | |
22 | ||
23 | unsigned int | |
24 | la_version (unsigned int v) | |
25 | { | |
26 | return LAV_CURRENT; | |
27 | } | |
28 | ||
29 | static void | |
30 | check (void) | |
31 | { | |
32 | { | |
33 | void *mod = dlopen ("nonexistent.so", RTLD_NOW); | |
34 | if (mod != NULL) | |
35 | abort (); | |
36 | } | |
37 | ||
38 | { | |
39 | void *mod = dlmopen (LM_ID_BASE, "nonexistent.so", RTLD_NOW); | |
40 | if (mod != NULL) | |
41 | abort (); | |
42 | } | |
43 | } | |
44 | ||
45 | void | |
46 | la_activity (uintptr_t *cookie, unsigned int flag) | |
47 | { | |
48 | if (flag != LA_ACT_CONSISTENT) | |
49 | return; | |
50 | check (); | |
51 | } | |
52 | ||
53 | void | |
54 | la_preinit (uintptr_t *cookie) | |
55 | { | |
56 | check (); | |
57 | } |