From ea2e8d38e467af509da2fb1d73763e67c388eb1c Mon Sep 17 00:00:00 2001
From: Jens Frank <jeluf@users.mediawiki.org>
Date: Mon, 19 Jul 2004 06:47:22 +0000
Subject: [PATCH] BUG#983680: Test user names for validity. Patch by Emmanuel
 Engelhart

---
 includes/SpecialUserlogin.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/includes/SpecialUserlogin.php b/includes/SpecialUserlogin.php
index 700cf6cf49..5c68b846e3 100644
--- a/includes/SpecialUserlogin.php
+++ b/includes/SpecialUserlogin.php
@@ -151,10 +151,12 @@ class LoginForm {
 		}
 		
 		$name = trim( $this->mName );
+		$u = User::newFromName( $name );
 		if ( ( "" == $name ) ||
 		  preg_match( "/\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}/", $name ) ||
 		  (strpos( $name, "/" ) !== false) ||
-		  (strlen( $name ) > $wgMaxNameChars) ) 
+		  (strlen( $name ) > $wgMaxNameChars) ||
+		  ucFirst($name) != $u->getName() ) 
 		{
 			$this->mainLoginForm( wfMsg( "noname" ) );
 			return;
@@ -163,7 +165,6 @@ class LoginForm {
 			$wgOut->readOnlyPage();
 			return;
 		}
-		$u = User::newFromName( $name );
 		
 		if ( 0 != $u->idForName() ) {
 			$this->mainLoginForm( wfMsg( "userexists" ) );
-- 
2.20.1