glibc/elf/tst-auditmod20.c

58 lines
1.3 KiB
C

/* Check dlopen failure on audit modules.
Copyright (C) 2021-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <link.h>
#include <stdlib.h>
unsigned int
la_version (unsigned int v)
{
return LAV_CURRENT;
}
static void
check (void)
{
{
void *mod = dlopen ("nonexistent.so", RTLD_NOW);
if (mod != NULL)
abort ();
}
{
void *mod = dlmopen (LM_ID_BASE, "nonexistent.so", RTLD_NOW);
if (mod != NULL)
abort ();
}
}
void
la_activity (uintptr_t *cookie, unsigned int flag)
{
if (flag != LA_ACT_CONSISTENT)
return;
check ();
}
void
la_preinit (uintptr_t *cookie)
{
check ();
}