From c3497e2880ee73fd1edf7300156e3ef2e83e055b Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Sat, 22 Mar 2008 00:08:52 +0000
Subject: [PATCH] * (bug 6892, 7147) Trackback error handling, optional fields
 more robust

---
 RELEASE-NOTES |  1 +
 trackback.php | 11 +++++------
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 88dbb7551a..95af539926 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -121,6 +121,7 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * (bug 12294) Namespace class renamed to MWNamespace for PHP 5.3 compatibility
 * PHP 5.3 compatibility fix for wfRunHooks() called with no parameters
 * (bug 6447) Trackbacks now work with transactional tables, if enabled
+* (bug 6892, 7147) Trackback error handling, optional fields more robust
 
 
 === API changes in 1.13 ===
diff --git a/trackback.php b/trackback.php
index 398503098c..90a22e4bd5 100644
--- a/trackback.php
+++ b/trackback.php
@@ -35,17 +35,16 @@ if (!$wgUseTrackbacks)
 	XMLerror("Trackbacks are disabled.");
 
 if (   !isset($_POST['url'])
-    || !isset($_POST['blog_name'])
     || !isset($_REQUEST['article']))
 	XMLerror("Required field not specified");
 
 $dbw = wfGetDB(DB_MASTER);
 
-$tbtitle = $_POST['title'];
-$tbex = $_POST['excerpt'];
-$tburl = $_POST['url'];
-$tbname = $_POST['blog_name'];
-$tbarticle = $_REQUEST['article'];
+$tbtitle = strval( @$_POST['title'] );
+$tbex = strval( @$_POST['excerpt'] );
+$tburl = strval( $_POST['url'] );
+$tbname = strval( @$_POST['blog_name'] );
+$tbarticle = strval( $_REQUEST['article'] );
 
 $title = Title::newFromText($tbarticle);
 if (!isset($title) || !$title->exists())
-- 
2.20.1