Feature: Add scripts for on the fly client mode

Closes: #171

piratebox/piratebox/rpi/bin/do_switch_client.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# Wrapper script for the steps to enable wifi client
+
+systemctl stop piratebox
+if /opt/piratebox/rpi/run_client.sh ; then
+    echo "Started Wifi client sucessfully!"
+    exit 0
+else
+    echo "Error while starting wifi client, restarting piratebox"
+    systemctl start piratebox
+    exit 1
+fi
+exit 1 

piratebox/piratebox/rpi/bin/run_client.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# Runs with wpa_supplicant & wifi device from boot folder.
+
+## Default
+WIFI_DEVICE="wlan0"
+
+WIFI_CONFIG_PATH="/boot/wifi_card.conf"
+WPA_SUPPLICANT="/boot/wpa_supplicant.conf"
+
+# Try to get wifi device
+if test -e "${WIFI_CONFIG_PATH}" ; then
+    echo "Found wifi card config"
+    WIFI_DEVICE=$( head -n 1 "${WIFI_CONFIG_PATH}" | tr -d '\n'  )
+fi
+
+# Try to connect to Wifi if wpa_supplicant.conf is available.
+if [ -f "${WPA_SUPPLICANT}" ]; then
+    echo "Found wpa_supplicant conf, trying to connect..."
+    wpa_supplicant -i"${WIFI_DEVICE}" -c "${WPA_SUPPLICANT}"  -B -D wext
+    dhcpcd "${WIFI_DEVICE}"
+    exit 0
+else
+    echo "Wifi configuration not found"
+    exit 1
+fi
+exit 1

piratebox/piratebox/rpi/bin/switch_to_client.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# User friendly way to switch to client
+# Adds "nohup" option...
+
+nohup /opt/piratebox/rpi/bin/do_switch_client.sh 

piratebox/piratebox/rpi/bin/wifi_detect.sh

@@ -74,9 +74,9 @@ echo "Could not find an AP enabled WiFi card..."
 
 # Try to connect to Wifi if wpa_supplicant.conf is available.
 if [ -f /boot/wpa_supplicant.conf ]; then
-  echo "Found wpa_supplicant conf, trying to connect..."
-  wpa_supplicant -i"${WIFI_DEVICE}" -c /boot/wpa_supplicant.conf -B -D wext
-  dhcpcd "${WIFI_DEVICE}"
+  /opt/piratebox/rpi/bin/run_client.sh
+  exit 1
+  # Exit =! 0 will result in not starting piratebox service
 fi
 
 exit 1