$NetBSD: patch-co,v 1.1 2006/09/14 16:52:54 joerg Exp $

--- programs/Xserver/os/utils.c.orig	2005-11-08 07:33:30.000000000 +0100
+++ programs/Xserver/os/utils.c
@@ -1718,8 +1718,10 @@ System(char *command)
     case -1:	/* error */
 	p = -1;
     case 0:	/* child */
-	setgid(getgid());
-	setuid(getuid());
+	if (setgid(getgid()) == -1)
+	    _exit(127);
+	if (setuid(getuid()) == -1)
+	    _exit(127);
 	execl("/bin/sh", "sh", "-c", command, (char *)NULL);
 	_exit(127);
     default:	/* parent */
@@ -1770,8 +1772,10 @@ Popen(char *command, char *type)
 	xfree(cur);
 	return NULL;
     case 0:	/* child */
-	setgid(getgid());
-	setuid(getuid());
+	if (setgid(getgid()) == -1)
+	    _exit(127);
+	if (setuid(getuid()) == -1)
+	    _exit(127);
 	if (*type == 'r') {
 	    if (pdes[1] != 1) {
 		/* stdout */
@@ -1845,8 +1849,10 @@ Fopen(char *file, char *type)
 	xfree(cur);
 	return NULL;
     case 0:	/* child */
-	setgid(getgid());
-	setuid(getuid());
+	if (setgid(getgid()) == -1)
+	    _exit(127);
+	if (setuid(getuid()) == -1)
+	    _exit(127);
 	if (*type == 'r') {
 	    if (pdes[1] != 1) {
 		/* stdout */
