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-rw-r--r--stdlib/secure-getenv.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/stdlib/secure-getenv.c b/stdlib/secure-getenv.c
new file mode 100644
index 0000000000..f4dc43cc85
--- /dev/null
+++ b/stdlib/secure-getenv.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 1991, 1992, 1994, 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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <stdlib.h>
+#include <unistd.h>
+
+/* Some programs and especially the libc itself have to be careful
+   what values to accept from the environment.  This special version
+   checks for SUID or SGID first before doing any work.  */
+char *
+__secure_getenv (name)
+     const char *name;
+{
+  return __libc_enable_secure ? NULL : getenv (name);
+}