1 | /* Check dlopen failure on audit modules. |
2 | Copyright (C) 2021-2024 Free Software Foundation, Inc. |
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 (file: "nonexistent.so" , RTLD_NOW); |
34 | if (mod != NULL) |
35 | abort (); |
36 | } |
37 | |
38 | { |
39 | void *mod = dlmopen (LM_ID_BASE, file: "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 | } |
58 | |