| /* Define and initialize the `__libc_enable_secure' flag. Generic version. |
| Copyright (C) 1996-2014 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* This file is used in the static libc. For the shared library, |
| dl-sysdep.c defines and initializes __libc_enable_secure. */ |
| |
| #include <unistd.h> |
| #include <libc-internal.h> |
| |
| /* If nonzero __libc_enable_secure is already set. */ |
| int __libc_enable_secure_decided; |
| /* Safest assumption, if somehow the initializer isn't run. */ |
| int __libc_enable_secure = 1; |
| |
| void |
| __libc_init_secure (void) |
| { |
| if (__libc_enable_secure_decided == 0) |
| __libc_enable_secure = (__geteuid () != __getuid () |
| || __getegid () != __getgid ()); |
| } |
