|
Packit |
6c4009 |
/* Define and initialize the `__libc_enable_secure' flag. Generic version.
|
|
Packit |
6c4009 |
Copyright (C) 1996-2018 Free Software Foundation, Inc.
|
|
Packit |
6c4009 |
This file is part of the GNU C Library.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is free software; you can redistribute it and/or
|
|
Packit |
6c4009 |
modify it under the terms of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License as published by the Free Software Foundation; either
|
|
Packit |
6c4009 |
version 2.1 of the License, or (at your option) any later version.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is distributed in the hope that it will be useful,
|
|
Packit |
6c4009 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit |
6c4009 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit |
6c4009 |
Lesser General Public License for more details.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
You should have received a copy of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License along with the GNU C Library; if not, see
|
|
Packit |
6c4009 |
<http://www.gnu.org/licenses/>. */
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* This file is used in the static libc. For the shared library,
|
|
Packit |
6c4009 |
dl-sysdep.c defines and initializes __libc_enable_secure. */
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#include <unistd.h>
|
|
Packit |
6c4009 |
#include <libc-internal.h>
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* If nonzero __libc_enable_secure is already set. */
|
|
Packit |
6c4009 |
int __libc_enable_secure_decided;
|
|
Packit |
6c4009 |
/* Safest assumption, if somehow the initializer isn't run. */
|
|
Packit |
6c4009 |
int __libc_enable_secure = 1;
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
void
|
|
Packit |
6c4009 |
__libc_init_secure (void)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
if (__libc_enable_secure_decided == 0)
|
|
Packit |
6c4009 |
__libc_enable_secure = (__geteuid () != __getuid ()
|
|
Packit |
6c4009 |
|| __getegid () != __getgid ());
|
|
Packit |
6c4009 |
}
|