From 1a0bb3ebd54896383aa9de7bf5a2ca62001d249c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20=C4=8Ciha=C5=99?= <michal@cihar.com>
Date: Thu, 16 Nov 2017 14:37:32 +0100
Subject: [PATCH] Avoid using mb_* function for URL length calculation
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

It is handled in bytes on the webserver side, so use limits in bytes not
in chars as mb_strlen does.

Signed-off-by: Michal Čihař <michal@cihar.com>
---
 libraries/classes/Util.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/classes/Util.php b/libraries/classes/Util.php
index d7f13ae412..729dee5efc 100644
--- a/libraries/classes/Util.php
+++ b/libraries/classes/Util.php
@@ -1717,7 +1717,7 @@ class Util
         $url, $message, $tag_params = array(),
         $strip_img = false, $target = '', $force_button = false
     ) {
-        $url_length = mb_strlen($url);
+        $url_length = strlen($url);
 
         if (! is_array($tag_params)) {
             $tmp = $tag_params;
@@ -1760,7 +1760,7 @@ class Util
                     }
 
                     list(, $eachval) = explode('=', $query_pair);
-                    if (mb_strlen($eachval) > $suhosin_get_MaxValueLength
+                    if (strlen($eachval) > $suhosin_get_MaxValueLength
                     ) {
                         $in_suhosin_limits = false;
                         break;