From 86cd3719ad639c205d87c6b7af93da9909711ba8 Mon Sep 17 00:00:00 2001
From: Matthias Strubel <matthias.strubel@aod-rpg.de>
Date: Fri, 17 Mar 2017 07:38:11 +0100
Subject: [PATCH] wifi_detect: only change piratebox.conf if it is a wifi
 device

---
 piratebox/piratebox/rpi/bin/wifi_detect.sh | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/piratebox/piratebox/rpi/bin/wifi_detect.sh b/piratebox/piratebox/rpi/bin/wifi_detect.sh
index a8c4da3..3a5f42b 100755
--- a/piratebox/piratebox/rpi/bin/wifi_detect.sh
+++ b/piratebox/piratebox/rpi/bin/wifi_detect.sh
@@ -25,9 +25,16 @@ dnsmasq_interface=$( grep -e '^DNSMASQ_INTERFACE' "${PIRATEBOX_CONFIG_PATH}" | \
                 sed -e 's|DNSMASQ_INTERFACE=||' -e 's|"||g' )
 
 sed -i -e "s|interface=$hostap_interface|interface=$WIFI_DEVICE|" "${CONFIG_PATH}"
-sed -i -e "s|INTERFACE=\"$piratebox_interface\"|INTERFACE=\"$WIFI_DEVICE\"|" \
-       -e "s|DNSMASQ_INTERFACE=\"$dnsmasq_interface\"|DNSMASQ_INTERFACE=\"$WIFI_DEVICE\"|" \
-       "${PIRATEBOX_CONFIG_PATH}"
+
+#Only change piratebox interface if it is a wifi interface
+if echo "$piratebox_interface" | grep -q "wlan" ; then
+    sed -i -e "s|INTERFACE=\"$piratebox_interface\"|INTERFACE=\"$WIFI_DEVICE\"|" \
+         "${PIRATEBOX_CONFIG_PATH}" 
+fi
+if echo "$dnsmasq_interface" | grep -q "wlan" ; then
+    sed -i -e "s|DNSMASQ_INTERFACE=\"$dnsmasq_interface\"|DNSMASQ_INTERFACE=\"$WIFI_DEVICE\"|" \
+           "${PIRATEBOX_CONFIG_PATH}"
+fi