From 5c4bbaabba19045a0e19651dc35d0a0adf5cb56a Mon Sep 17 00:00:00 2001
From: steve-lad <72376554+steve-lad@users.noreply.github.com>
Date: Sun, 18 Jul 2021 12:33:08 +0200
Subject: [PATCH] Ignore $adv_ini if not set

Installer and sccp_manager construct - empty variable. Do not use if not set (will be set later)
---
 sccpManClasses/extconfigs.class.php | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/sccpManClasses/extconfigs.class.php b/sccpManClasses/extconfigs.class.php
index 117e569..2dc1940 100644
--- a/sccpManClasses/extconfigs.class.php
+++ b/sccpManClasses/extconfigs.class.php
@@ -305,14 +305,15 @@ class extconfigs
                 if (file_exists($adv_ini)){
                     rename($adv_ini, "{$adv_ini}.old");
                 }
-                // TODO: index file is not declared
-                $indexFile = fopen($adv_ini,'w');
-                fwrite($indexFile, "[main]\n");
-                foreach ($adv_config as $advKey => $advVal) {
-                    fwrite($indexFile, "{$advKey} = {$advVal}\n");
+                if (!empty($adv_ini)) {
+                    $indexFile = fopen($adv_ini,'w');
+                    fwrite($indexFile, "[main]\n");
+                    foreach ($adv_config as $advKey => $advVal) {
+                        fwrite($indexFile, "{$advKey} = {$advVal}\n");
+                    }
+                    fclose($indexFile);
+                    $settingsFromDb['tftp_rewrite']['data'] = 'pro';
                 }
-                fclose($indexFile);
-                $settingsFromDb['tftp_rewrite']['data'] = 'pro';
                 break;
             case 'on':
             case 'internal':