*** /usr/src/usr.sbin/sliplogin/sliplogin.c	1996/01/06 07:19:55	1.3.4.1
--- /usr/src/usr.sbin/sliplogin/sliplogin.c	1996/04/24 20:20:00	1.3.4.2
***************
*** 88,93 ****
--- 88,100 ----
  #include <signal.h>
  #include "pathnames.h"
  
+ extern char **environ;
+ 
+ static char *restricted_environ[] = {
+ 	"PATH=" _PATH_STDPATH,
+ 	NULL
+ };
+ 
  int	unit;
  int	slip_mode;
  speed_t speed;
***************
*** 123,128 ****
--- 130,137 ----
  	char user[16];
  	char buf[128];
  	int i, j, n;
+ 
+ 	environ = restricted_environ; /* minimal protection for system() */
  
  	(void)strcpy(loginname, name);
  	if ((fp = fopen(_PATH_ACCESS, "r")) == NULL) {