From 048e5bb9a2bbad4fdf603e9d124b1db5e53a4d44 Mon Sep 17 00:00:00 2001
From: Patrik Cyvoct <patrik@ptrk.io>
Date: Wed, 22 Aug 2018 09:11:55 +0200
Subject: [PATCH] Remove external ipv6 brackets if any in servername

Signed-off-by: Patrik Cyvoct <patrik@ptrk.io>
---
 advanced/index.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/advanced/index.php b/advanced/index.php
index cad59ec7..f104bcf6 100644
--- a/advanced/index.php
+++ b/advanced/index.php
@@ -8,6 +8,8 @@
 
 // Sanitise HTTP_HOST output
 $serverName = htmlspecialchars($_SERVER["HTTP_HOST"]);
+// Remove external ipv6 brackets if any 
+$serverName = preg_replace('/^\[(.*)\]$/', '${1}', $serverName);
 
 if (!is_file("/etc/pihole/setupVars.conf"))
   die("[ERROR] File not found: <code>/etc/pihole/setupVars.conf</code>");