Ticket #9936: 9936.2.diff

wp-admin/includes/file.php

@@ -626 +630 @@
  * @return unknown
  */
 function get_filesystem_method($args = array()) {
-        $method = false;
-        if( function_exists('getmyuid') && function_exists('fileowner') ){
-                $temp_file = wp_tempnam();
-                if ( getmyuid() == fileowner($temp_file) )
+        $method = defined('FS_METHOD') ? FS_METHOD : false; //Please ensure that this is either 'direct', 'ssh', 'ftpext' or 'ftpsockets'
+
+        if( ! $method && function_exists('getmyuid') && function_exists('fileowner') ){
+                $temp_file_name = ABSPATH . '.' . time();
+                $temp_handle = @fopen($temp_file_name, 'w');
+                if ( $temp_handle && getmyuid() == fileowner($temp_file_name) )
                         $method = 'direct';
-                unlink($temp_file);
+                @fclose($temp_handle);
+                unlink($temp_file_name);
         }
 
         if ( ! $method && isset($args['connection_type']) && 'ssh' == $args['connection_type'] && extension_loaded('ssh2') && extension_loaded('sockets') ) $method = 'ssh2';
         if ( ! $method && extension_loaded('ftp') ) $method = 'ftpext';
         if ( ! $method && ( extension_loaded('sockets') || function_exists('fsockopen') ) ) $method = 'ftpsockets'; //Sockets: Socket extension; PHP Mode: FSockopen / fwrite / fread
-        return apply_filters('filesystem_method', $method);
+        return apply_filters('filesystem_method', $method, $args);
 }
 
 /**