From 4aca87515a5083ae0e31ce3177189fd43b6d05ac Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sat, 3 Jan 2015 13:58:15 +0100
Subject: patch to Vanilla Tomato 1.28

---
 release/src/router/busybox/libbb/change_identity.c | 25 ++++++----------------
 1 file changed, 6 insertions(+), 19 deletions(-)

(limited to 'release/src/router/busybox/libbb/change_identity.c')

diff --git a/release/src/router/busybox/libbb/change_identity.c b/release/src/router/busybox/libbb/change_identity.c
index c2b73eeb..619db09a 100644
--- a/release/src/router/busybox/libbb/change_identity.c
+++ b/release/src/router/busybox/libbb/change_identity.c
@@ -28,27 +28,14 @@
  * SUCH DAMAGE.
  */
 
-#include <stdio.h>
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <syslog.h>
-#include <ctype.h>
-
 #include "libbb.h"
 
-
 /* Become the user and group(s) specified by PW.  */
-void change_identity ( const struct passwd *pw )
+void FAST_FUNC change_identity(const struct passwd *pw)
 {
-	if ( initgroups ( pw-> pw_name, pw-> pw_gid ) == -1 )
-		bb_perror_msg_and_die ( "cannot set groups" );
-	endgrent ( );
-
-	if ( setgid ( pw-> pw_gid ))
-		bb_perror_msg_and_die ( "cannot set group id" );
-	if ( setuid ( pw->pw_uid ))
-		bb_perror_msg_and_die ( "cannot set user id" );
+	if (initgroups(pw->pw_name, pw->pw_gid) == -1)
+		bb_perror_msg_and_die("can't set groups");
+	endgrent(); /* helps to close a fd used internally by libc */
+	xsetgid(pw->pw_gid);
+	xsetuid(pw->pw_uid);
 }
-
-- 
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