From 633f389f4ed967deeabb87deedef6c5416c7f469 Mon Sep 17 00:00:00 2001
From: zbchristian <33725910+zbchristian@users.noreply.github.com>
Date: Tue, 9 Jun 2020 10:15:21 +0200
Subject: [PATCH] Check for second wifi interface as wifi client

---
 includes/wifi_functions.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/includes/wifi_functions.php b/includes/wifi_functions.php
index 2969c517..f907536c 100755
--- a/includes/wifi_functions.php
+++ b/includes/wifi_functions.php
@@ -138,7 +138,10 @@ function getWifiInterface()
     if (empty($_SESSION['client_iface'])) {
         $arrHostapdConf = parse_ini_file(RASPI_CONFIG.'/hostapd.ini');
         if (isset($arrHostapdConf['WifiInterface'])) {
-            $_SESSION['client_iface'] = $arrHostapdConf['WifiInterface'];
+            $iface = $arrHostapdConf['WifiInterface'];
+            // check for 2nd wifi interface
+            exec("iw dev | awk '$1==\"Interface\" && $2!=\"$iface\" {print $2}'",$iface2);
+            $_SESSION['client_iface'] = empty($iface2) ? $iface : trim($iface2[0]);
         } else { // fallback to default
             $_SESSION['client_iface'] = RASPI_WIFI_CLIENT_INTERFACE;
         }