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