diff options
Diffstat (limited to 'REORG.TODO/elf/enbl-secure.c')
-rw-r--r-- | REORG.TODO/elf/enbl-secure.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/REORG.TODO/elf/enbl-secure.c b/REORG.TODO/elf/enbl-secure.c new file mode 100644 index 0000000000..c0723774d9 --- /dev/null +++ b/REORG.TODO/elf/enbl-secure.c @@ -0,0 +1,36 @@ +/* Define and initialize the `__libc_enable_secure' flag. Generic version. + Copyright (C) 1996-2017 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 ()); +} |