[glibc.git] / stdlib / secure-getenv.c

/* Copyright (C) 1991, 1992, 1994, 1996, 2002 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, 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);
}
libc_hidden_def (__secure_getenv)
Commit	Line	Data
37ba7d66	1	/* Copyright (C) 1991, 1992, 1994, 1996, 2002 Free Software Foundation, Inc.
f65fd747 UD	2	This file is part of the GNU C Library.
	3
	4	The GNU C Library is free software; you can redistribute it and/or
41bdb6e2 AJ	5	modify it under the terms of the GNU Lesser General Public
	6	License as published by the Free Software Foundation; either
	7	version 2.1 of the License, or (at your option) any later version.
f65fd747 UD	8
	9	The GNU C Library is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2	12	Lesser General Public License for more details.
f65fd747	13
41bdb6e2 AJ	14	You should have received a copy of the GNU Lesser General Public
	15	License along with the GNU C Library; if not, write to the Free
	16	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
	17	02111-1307 USA. */
f65fd747 UD	18
	19	#include <stdlib.h>
	20	#include <unistd.h>
	21
	22	/* Some programs and especially the libc itself have to be careful
	23	what values to accept from the environment. This special version
	24	checks for SUID or SGID first before doing any work. */
	25	char *
	26	__secure_getenv (name)
	27	const char *name;
	28	{
	29	return __libc_enable_secure ? NULL : getenv (name);
	30	}
37ba7d66	31	libc_hidden_def (__secure_getenv)