Static settings for wifi

src/freedombone-controlpanel

             ip_addresses_have_changed=1
         fi
         if [ $ip_addresses_have_changed ]; then
-            echo '# This file describes the network interfaces available on your system' > /etc/network/interfaces
-            echo '# and how to activate them. For more information, see interfaces(5).' >> /etc/network/interfaces
-            echo '' >> /etc/network/interfaces
-            echo '# The loopback network interface' >> /etc/network/interfaces
-            echo 'auto lo' >> /etc/network/interfaces
-            echo 'iface lo inet loopback' >> /etc/network/interfaces
-            echo '' >> /etc/network/interfaces
-            echo '# The primary network interface' >> /etc/network/interfaces
-            echo 'auto eth0' >> /etc/network/interfaces
-            echo 'iface eth0 inet static' >> /etc/network/interfaces
-            echo "    address ${NEW_STATIC_IP}" >> /etc/network/interfaces
-            echo '    netmask 255.255.255.0' >> /etc/network/interfaces
-            echo "    gateway ${NEW_STATIC_GATEWAY}" >> /etc/network/interfaces
-            echo "    dns-nameservers 213.73.91.35 85.214.20.141" >> /etc/network/interfaces
-            echo '# Example to keep MAC address between reboots' >> /etc/network/interfaces
-            echo '#hwaddress ether DE:AD:BE:EF:CA:FE' >> /etc/network/interfaces
-            echo '' >> /etc/network/interfaces
-            echo '# The secondary network interface' >> /etc/network/interfaces
-            echo '#auto eth1' >> /etc/network/interfaces
-            echo '#iface eth1 inet dhcp' >> /etc/network/interfaces
-            echo '' >> /etc/network/interfaces
-            echo '# WiFi Example' >> /etc/network/interfaces
-            echo "#auto $WIFI_INTERFACE" >> /etc/network/interfaces
-            echo "#iface $WIFI_INTERFACE inet dhcp" >> /etc/network/interfaces
-            echo '#    wpa-ssid "essid"' >> /etc/network/interfaces
-            echo '#    wpa-psk  "password"' >> /etc/network/interfaces
-            echo '' >> /etc/network/interfaces
-            echo '# Ethernet/RNDIS gadget (g_ether)' >> /etc/network/interfaces
-            echo '# ... or on host side, usbnet and random hwaddr' >> /etc/network/interfaces
-            echo '# Note on some boards, usb0 is automaticly setup with an init script' >> /etc/network/interfaces
-            echo '#iface usb0 inet static' >> /etc/network/interfaces
-            echo '#    address 192.168.7.2' >> /etc/network/interfaces
-            echo '#    netmask 255.255.255.0' >> /etc/network/interfaces
-            echo '#    network 192.168.7.0' >> /etc/network/interfaces
-            echo '#    gateway 192.168.7.1' >> /etc/network/interfaces
+            write_config_param "NETWORK_IS_STATIC" "1"
+            write_config_param "STATIC_IP_ADDRESS" "$NEW_STATIC_IP"
+            write_config_param "ROUTER_IP_ADDRESS" "$NEW_STATIC_GATEWAY"
+            if [[ $(config_param_exists "WIFI_INTERFACE") == "0" ]]; then
+                # wired network
+                echo '# This file describes the network interfaces available on your system' > /etc/network/interfaces
+                echo '# and how to activate them. For more information, see interfaces(5).' >> /etc/network/interfaces
+                echo '' >> /etc/network/interfaces
+                echo '# The loopback network interface' >> /etc/network/interfaces
+                echo 'auto lo' >> /etc/network/interfaces
+                echo 'iface lo inet loopback' >> /etc/network/interfaces
+                echo '' >> /etc/network/interfaces
+                echo '# The primary network interface' >> /etc/network/interfaces
+                echo 'auto eth0' >> /etc/network/interfaces
+                echo 'iface eth0 inet static' >> /etc/network/interfaces
+                echo "    address ${NEW_STATIC_IP}" >> /etc/network/interfaces
+                echo '    netmask 255.255.255.0' >> /etc/network/interfaces
+                echo "    gateway ${NEW_STATIC_GATEWAY}" >> /etc/network/interfaces
+                echo "    dns-nameservers 213.73.91.35 85.214.20.141" >> /etc/network/interfaces
+                echo '# Example to keep MAC address between reboots' >> /etc/network/interfaces
+                echo '#hwaddress ether DE:AD:BE:EF:CA:FE' >> /etc/network/interfaces
+                echo '' >> /etc/network/interfaces
+                echo '# The secondary network interface' >> /etc/network/interfaces
+                echo '#auto eth1' >> /etc/network/interfaces
+                echo '#iface eth1 inet dhcp' >> /etc/network/interfaces
+                echo '' >> /etc/network/interfaces
+                echo '# WiFi Example' >> /etc/network/interfaces
+                echo "#auto $WIFI_INTERFACE" >> /etc/network/interfaces
+                echo "#iface $WIFI_INTERFACE inet dhcp" >> /etc/network/interfaces
+                echo '#    wpa-ssid "essid"' >> /etc/network/interfaces
+                echo '#    wpa-psk  "password"' >> /etc/network/interfaces
+                echo '' >> /etc/network/interfaces
+                echo '# Ethernet/RNDIS gadget (g_ether)' >> /etc/network/interfaces
+                echo '# ... or on host side, usbnet and random hwaddr' >> /etc/network/interfaces
+                echo '# Note on some boards, usb0 is automaticly setup with an init script' >> /etc/network/interfaces
+                echo '#iface usb0 inet static' >> /etc/network/interfaces
+                echo '#    address 192.168.7.2' >> /etc/network/interfaces
+                echo '#    netmask 255.255.255.0' >> /etc/network/interfaces
+                echo '#    network 192.168.7.0' >> /etc/network/interfaces
+                echo '#    gateway 192.168.7.1' >> /etc/network/interfaces
+            fi
 
             clear
             echo ''

src/freedombone-utils-wifi

     fi
 }
 
+function wifi_static_network_interface {
+    NETWORK_IS_STATIC=0
+    read_config_param "NETWORK_IS_STATIC"
+    if [ ${NETWORK_IS_STATIC} -eq 0 ]; then
+        echo '#this line must always be here' >> /etc/network/interfaces
+        echo 'iface default inet dhcp' >> /etc/network/interfaces
+    else
+        read_config_param "STATIC_IP_ADDRESS"
+        read_config_param "ROUTER_IP_ADDRESS"
+        echo '#static address' >> /etc/network/interfaces
+        echo 'iface default inet static' >> /etc/network/interfaces
+        echo "    address ${STATIC_IP_ADDRESS}" >> /etc/network/interfaces
+        echo '    netmask 255.255.255.0' >> /etc/network/interfaces
+        echo "    gateway ${ROUTER_IP_ADDRESS}" >> /etc/network/interfaces
+    fi
+}
+
 function setup_wifi_atheros {
     if [[ $(running_as_root) == "0" ]]; then
         return
     systemctl restart hostapd
 }
 
-function wifi_wpa2_psk {
-    ssid=$1
-    passphrase=$2
-
+function wifi_store_original_network_settings {
     if [ ! -f /etc/network/interfaces_original ]; then
         if ! grep -q "# wifi enabled" /etc/network/interfaces; then
             cp /etc/network/interfaces /etc/network/interfaces_original
         fi
     fi
+}
+
+function wifi_wpa2_psk {
+    ssid=$1
+    passphrase=$2
+
+    wifi_store_original_network_settings
 
     echo '# wifi enabled' > /etc/network/interfaces
     echo 'auto lo' >> /etc/network/interfaces
     echo "iface ${WIFI_INTERFACE} inet manual" >> /etc/network/interfaces
     echo "  wpa-roam $WIFI_CONFIG" >> /etc/network/interfaces
     echo '' >> /etc/network/interfaces
-    echo '#this line must always be here' >> /etc/network/interfaces
-    echo 'iface default inet dhcp' >> /etc/network/interfaces
+    wifi_static_network_interface
 
     wpa_passphrase "$ssid" "$passphrase" > $WIFI_CONFIG
 
 function wifi_none {
     ssid=$1
 
-    if [ ! -f /etc/network/interfaces_original ]; then
-        if ! grep -q "# wifi enabled" /etc/network/interfaces; then
-            cp /etc/network/interfaces /etc/network/interfaces_original
-        fi
-    fi
+    wifi_store_original_network_settings
 
     echo '# wifi enabled' > /etc/network/interfaces
     echo 'auto lo' >> /etc/network/interfaces
     echo "iface ${WIFI_INTERFACE} inet manual" >> /etc/network/interfaces
     echo "  wpa-roam $WIFI_CONFIG" >> /etc/network/interfaces
     echo '' >> /etc/network/interfaces
-    echo '#this line must always be here' >> /etc/network/interfaces
-    echo 'iface default inet dhcp' >> /etc/network/interfaces
+    wifi_static_network_interface
 
     echo 'update_config=1' > $WIFI_CONFIG
     echo 'eapol_version=1' >> $WIFI_CONFIG
     fi
     read_config_param "WIFI_INTERFACE"
 
-    if [ ! -f /etc/network/interfaces_original ]; then
-        if ! grep -q "# wifi enabled" /etc/network/interfaces; then
-            cp /etc/network/interfaces /etc/network/interfaces_original
-        fi
-    fi
+    wifi_store_original_network_settings
 
     echo '# wifi enabled' > /etc/network/interfaces
     echo 'auto lo' >> /etc/network/interfaces
     echo "iface ${WIFI_INTERFACE} inet manual" >> /etc/network/interfaces
     echo "  wpa-roam $WIFI_CONFIG" >> /etc/network/interfaces
     echo '' >> /etc/network/interfaces
-    echo '#this line must always be here' >> /etc/network/interfaces
-    echo 'iface default inet dhcp' >> /etc/network/interfaces
+    wifi_static_network_interface
 
     # remove wpa_supplicant.conf if it exists
     if [ -f $WIFI_CONFIG ]; then