Removed sectoken

This token is completly useless since an attacker can easily extract it
from the page.

core/templates/login.php

@@ -12,7 +12,6 @@
 		<p class="infield">
 			<label for="password" class="infield"><?php echo $l->t( 'Password' ); ?></label>
 			<input type="password" name="password" id="password" value="" required<?php echo $_['user_autofocus']?'':' autofocus'; ?> />
-			<input type="hidden" name="sectoken" id="sectoken" value="<?php echo($_['sectoken']); ?>"  />
 		</p>
 		<input type="checkbox" name="remember_login" value="1" id="remember_login" /><label for="remember_login"><?php echo $l->t('remember'); ?></label>
 		<input type="submit" id="submit" class="login" value="<?php echo $l->t( 'Log in' ); ?>" />

lib/base.php

@@ -528,11 +528,7 @@ class OC{
 	}
 
 	protected static function tryFormLogin() {
-		if(!isset($_POST["user"])
-		|| !isset($_POST['password'])
-		|| !isset($_SESSION['sectoken'])
-		|| !isset($_POST['sectoken'])
-		|| ($_SESSION['sectoken']!=$_POST['sectoken']) ) {
+		if(!isset($_POST["user"]) || !isset($_POST['password'])) {
 			return false;
 		}
 

lib/util.php

@@ -314,9 +314,6 @@ class OC_Util {
 			$parameters["username"] = '';
 			$parameters['user_autofocus'] = true;
 		}
-		$sectoken=rand(1000000,9999999);
-		$_SESSION['sectoken']=$sectoken;
-		$parameters["sectoken"] = $sectoken;
 		if (isset($_REQUEST['redirect_url'])) {
 			$redirect_url = OC_Util::sanitizeHTML($_REQUEST['redirect_url']);
 		} else {