From 29c54229cfbc104930e7743cecc212f53aed8a15 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Mon, 28 Feb 2011 17:33:26 +0000
Subject: - Fix parsing links with non-printable characters inside (#1487805)

---
 program/steps/mail/func.inc | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'program/steps')

diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 9fa1e01fc..090317691 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -1200,6 +1200,9 @@ function rcmail_alter_html_link($matches)
   $attrib = parse_attrib_string($matches[2]);
   $end = '>';
 
+  // Remove non-printable characters in URL (#1487805)
+  $attrib['href'] = preg_replace('/[\x00-\x1F]/', '', $attrib['href']);
+
   if ($tag == 'link' && preg_match('/^https?:\/\//i', $attrib['href'])) {
     $tempurl = 'tmp-' . md5($attrib['href']) . '.css';
     $_SESSION['modcssurls'][$tempurl] = $attrib['href'];
-- 
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