mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-21 20:40:05 +00:00
123 lines
3.1 KiB
C
123 lines
3.1 KiB
C
/* Audit module for tst-audit24d.
|
|
Copyright (C) 2022-2024 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 <link.h>
|
|
#include <inttypes.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <tst-auditmod24.h>
|
|
|
|
#define AUDIT24_COOKIE 0x0
|
|
#define AUDIT24MOD1_COOKIE 0x1
|
|
#define AUDIT24MOD2_COOKIE 0x2
|
|
#define AUDIT24MOD3_COOKIE 0x3
|
|
#define AUDIT24MOD4_COOKIE 0x4
|
|
|
|
unsigned int
|
|
la_version (unsigned int version)
|
|
{
|
|
return LAV_CURRENT;
|
|
}
|
|
|
|
unsigned int
|
|
la_objopen (struct link_map *map, Lmid_t lmid, uintptr_t *cookie)
|
|
{
|
|
const char *p = strrchr (map->l_name, '/');
|
|
const char *l_name = p == NULL ? "tst-audit24d" : p + 1;
|
|
|
|
uintptr_t ck = -1;
|
|
if (strcmp (l_name, "tst-audit24dmod1.so") == 0)
|
|
ck = AUDIT24MOD1_COOKIE;
|
|
else if (strcmp (l_name, "tst-audit24dmod2.so") == 0)
|
|
ck = AUDIT24MOD2_COOKIE;
|
|
else if (strcmp (l_name, "tst-audit24dmod3.so") == 0)
|
|
ck = AUDIT24MOD3_COOKIE;
|
|
else if (strcmp (l_name, "tst-audit24dmod.so") == 0)
|
|
ck = AUDIT24MOD4_COOKIE;
|
|
else if (strcmp (l_name, "tst-audit24d") == 0)
|
|
ck = AUDIT24_COOKIE;
|
|
|
|
*cookie = ck;
|
|
return ck == -1 ? 0 : LA_FLG_BINDFROM | LA_FLG_BINDTO;
|
|
}
|
|
|
|
static int
|
|
tst_audit24dmod1_func1 (void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
tst_audit24dmod2_func1 (void)
|
|
{
|
|
return 10;
|
|
}
|
|
|
|
static int
|
|
tst_audit24dmod3_func1 (void)
|
|
{
|
|
return 30;
|
|
}
|
|
|
|
#include <stdio.h>
|
|
|
|
#if __ELF_NATIVE_CLASS == 64
|
|
uintptr_t
|
|
la_symbind64 (Elf64_Sym *sym, unsigned int ndx,
|
|
uintptr_t *refcook, uintptr_t *defcook,
|
|
unsigned int *flags, const char *symname)
|
|
#else
|
|
uintptr_t
|
|
la_symbind32 (Elf32_Sym *sym, unsigned int ndx,
|
|
uintptr_t *refcook, uintptr_t *defcook,
|
|
unsigned int *flags, const char *symname)
|
|
#endif
|
|
{
|
|
if (*refcook == AUDIT24_COOKIE)
|
|
{
|
|
if (*defcook == AUDIT24MOD1_COOKIE)
|
|
{
|
|
if (strcmp (symname, "tst_audit24dmod1_func1") == 0)
|
|
return (uintptr_t) tst_audit24dmod1_func1;
|
|
else if (strcmp (symname, "tst_audit24dmod1_func2") == 0)
|
|
return sym->st_value;
|
|
abort ();
|
|
}
|
|
if (*defcook == AUDIT24MOD2_COOKIE
|
|
&& (strcmp (symname, "tst_audit24dmod2_func1") == 0))
|
|
return (uintptr_t) tst_audit24dmod2_func1;
|
|
|
|
/* malloc functions. */
|
|
return sym->st_value;
|
|
}
|
|
else if (*refcook == AUDIT24MOD1_COOKIE)
|
|
{
|
|
if (*defcook == AUDIT24MOD3_COOKIE
|
|
&& strcmp (symname, "tst_audit24dmod3_func1") == 0)
|
|
{
|
|
test_symbind_flags (*flags);
|
|
|
|
return (uintptr_t) tst_audit24dmod3_func1;
|
|
}
|
|
}
|
|
|
|
if (symname[0] != '\0')
|
|
abort ();
|
|
return sym->st_value;
|
|
}
|