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      1 /*	$NetBSD: safe_getenv.c,v 1.1.1.1 2009/06/23 10:09:00 tron Exp $	*/
      2 
      3 /*++
      4 /* NAME
      5 /*	safe_getenv 3
      6 /* SUMMARY
      7 /*	guarded getenv()
      8 /* SYNOPSIS
      9 /*	#include <safe.h>
     10 /*
     11 /*	char	*safe_getenv(const name)
     12 /*	char	*name;
     13 /* DESCRIPTION
     14 /*	The \fBsafe_getenv\fR() routine reads the named variable from the
     15 /*	environment, provided that the unsafe() routine agrees.
     16 /* SEE ALSO
     17 /*	unsafe(3), detect non-user privileges
     18 /* LICENSE
     19 /* .ad
     20 /* .fi
     21 /*	The Secure Mailer license must be distributed with this software.
     22 /* AUTHOR(S)
     23 /*	Wietse Venema
     24 /*	IBM T.J. Watson Research
     25 /*	P.O. Box 704
     26 /*	Yorktown Heights, NY 10598, USA
     27 /*--*/
     28 
     29 /* System library. */
     30 
     31 #include <sys_defs.h>
     32 #include <stdlib.h>
     33 
     34 /* Utility library. */
     35 
     36 #include "safe.h"
     37 
     38 /* safe_getenv - read environment variable with guard */
     39 
     40 char   *safe_getenv(const char *name)
     41 {
     42     return (unsafe() == 0 ? getenv(name) : 0);
     43 }
     44