1/* $NetBSD$ */ 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 40char *safe_getenv(const char *name) 41{ 42 return (unsafe() == 0 ? getenv(name) : 0); 43} 44