#1371 add basic wifi script

home.admin/config.scripts/internet.wifi.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+
+# command info
+if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "-help" ]; then
+ echo "# handle the wifi"
+ echo "# internet.wifi.sh status"
+ echo "# internet.wifi.sh on SSID PASSWORD"
+ echo "# internet.wifi.sh off"
+ exit 1
+fi
+
+wifiIsSet=$(sudo cat /etc/wpa_supplicant/wpa_supplicant.conf 2>/dev/null| grep -c "network=")
+wifiLocalIP=$(ip addr | grep 'state UP' -A2 | egrep -v 'docker0' | egrep -i '([wlan][0-9]$)' | tail -n1 | awk '{print $2}' | cut -f1 -d'/')
+connected=0
+if [ ${#wifiLocalIP} -gt 0 ]; then
+  connected=1
+fi
+
+if [ "$1" == "status" ]; then
+
+  echo "activated=${wifiIsSet}"
+  echo "connected='${connected}'"
+  echo "localip='${wifiLocalIP}'"
+  exit 0
+
+elif [ "$2" == "on" ]; then
+
+  ssid="$2"
+  password="$3"
+
+  if [ ${#ssid} -eq 0 ]; then
+    echo "err='no ssid given'"
+  fi
+
+  if [ ${#password} -eq 0 ]; then
+    echo "err='no password given'"
+  fi
+
+  wifiConfig='country=US\nctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev\nupdate_config=1\nnetwork={\n ssid="${ssid}"\n scan_ssid=1\n psk="${password}"\n key_mgmt=WPA-PSK\n}'
+  echo "${wifiConfig}" > "/home/admin/wpa_supplicant.conf"
+  sudo mv /home/admin/wpa_supplicant.conf /boot/wpa_supplicant.conf
+  sudo chown root:root /boot/wpa_supplicant.conf
+  sudo chmod 755 /boot/wpa_supplicant.conf
+
+  echo "# OK - reboot needed to activate new WIFI settings"
+  exit 0
+
+elif [ "$2" == "off" ]; then
+
+  wifiConfig='country=US\nctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev\nupdate_config=1'
+  echo "${wifiConfig}" > "/home/admin/wpa_supplicant.conf"
+  sudo mv /home/admin/wpa_supplicant.conf /etc/wpa_supplicant/wpa_supplicant.conf
+  sudo chown root:root /etc/wpa_supplicant/wpa_supplicant.conf
+  sudo chmod 600 /etc/wpa_supplicant/wpa_supplicant.conf
+
+  sudo service networking restart
+  echo "# OK - WIFI should now be off"
+  exit 0
+
+else
+  echo "err='parameter not known - run with -help'"
+fi