1/* Check dlopen failure on audit modules.
2 Copyright (C) 2021-2022 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
23unsigned int
24la_version (unsigned int v)
25{
26 return LAV_CURRENT;
27}
28
29static void
30check (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
45void
46la_activity (uintptr_t *cookie, unsigned int flag)
47{
48 if (flag != LA_ACT_CONSISTENT)
49 return;
50 check ();
51}
52
53void
54la_preinit (uintptr_t *cookie)
55{
56 check ();
57}
58

source code of glibc/elf/tst-auditmod20.c