aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/generic/enbl-secure.c')
-rw-r--r--sysdeps/generic/enbl-secure.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/sysdeps/generic/enbl-secure.c b/sysdeps/generic/enbl-secure.c
new file mode 100644
index 0000000000..b7530a8437
--- /dev/null
+++ b/sysdeps/generic/enbl-secure.c
@@ -0,0 +1,34 @@
+/* Define and initialize the `__libc_enable_secure' flag. Generic version.
+Copyright (C) 1996 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+/* This file is used in the static libc. For the shared library,
+ dl-sysdep.c defines and initializes __libc_enable_secure. */
+
+#include <unistd.h>
+
+
+/* Safest assumption, if somehow the initializer isn't run. */
+int __libc_enable_secure = 1;
+
+static void __attribute__ ((unused, constructor))
+init_secure (void)
+{
+ __libc_enable_secure = (__geteuid () != __getuid () ||
+ __getegid () != __getgid ());
+}