HTTP_REFERERが未定義のときは処理を中断

diff --git a/trackback.php b/trackback.php
index 8f2bfd1..0877e37 100644 (file)
--- a/trackback.php
+++ b/trackback.php
@@ -1,5 +1,5 @@
 <?php
-// $Id: trackback.php,v 1.8 2003/08/01 06:32:57 arino Exp $
+// $Id: trackback.php,v 1.9 2003/08/02 02:03:32 arino Exp $
 /*
  * PukiWiki TrackBack ¥×¥í¥°¥é¥à
  * (C) 2003, Katsumi Saito <katsumi@jo1upk.ymt.prug.or.jp>
@@ -286,7 +286,7 @@ function ref_save($page)
 {
        global $referer;
        
-       if (!$referer)
+       if (!$referer or empty($_SERVER['HTTP_REFERER']))
        {
                return;
        }
@@ -294,7 +294,8 @@ function ref_save($page)
        $url = $_SERVER['HTTP_REFERER'];
        
        // ¼«¥µ¥¤¥ÈÆâ¤Î¾ì¹ç¤Ï½èÍý¤·¤Ê¤¤
-       if ($url == '' or strpos($url,'http://'.$_SERVER['HTTP_HOST']) === 0)
+       $parse_url = parse_url($url);
+       if (empty($parse_url['host']) or $parse_url['host'] == $_SERVER['HTTP_HOST'])
        {
                return;
        }