Automation script for network reconition and proxy automation.

Proxy_Automation

#!/bin/sh
IF=$1
STATUS=$2

WIFI="wlp2s0"
LAN="enp3s0"

NETMASK_WIFI_HOME="192.168.1.1/24"
NETMASK_WIFI_ANDROID="192.168.43.255/24"	# Android HotSpot has always same netmask 
NETMASK_LAN_HOME="192.168.1.1/24"
NETMASK_LAN_RVE="10.6.196.1/22"
NETMASK_LAN_ENG="192.168.44.1/22"

notify() {

    for pid in $(pgrep 'xfce'); do
        eval $(grep -z ^USER /proc/$pid/environ)
        eval export $(grep -z ^DISPLAY /proc/$pid/environ)
        eval export $(grep -z ^DBUS_SESSION_BUS_ADDRESS /proc/$pid/environ)
    done

    su $USER -c "notify-send \"Proxy Automation\" \"$1\" -i package_network -t 5000"
}

reinit_proxy() {
	case "$1" in
	        rve)
				echo "Initializing RVE proxy mode.."
				MSG="Proxy reinitialization completed:\n\n<b>RegioneVeneto</b> profile activated."
        	    cp /etc/squid/squid_rve.conf /etc/squid/squid.conf
        	;;
        	eng)
				echo "Initializing ENG proxy mode.."
				MSG="Proxy reinitialization completed:\n\n<b>Engineering</b> profile activated."
        	    cp /etc/squid/squid_eng.conf /etc/squid/squid.conf
        	;;
        	*)		
				echo "## Initializing proxy direct mode.."
				MSG="Proxy reinitialization completed:\n\n<b>Direct</b> profile activated."
               	cp /etc/squid/squid_direct.conf /etc/squid/squid.conf
        	;;
	esac
	systemctl restart squid.service
	notify "$MSG"
	echo "## Proxy restart complete."
}

if [ "$IF" = "$WIFI" ] && [ "$STATUS" = "up" ]; then
	
	if [ -n "`/sbin/ip addr show $IF to $NETMASK_WIFI_HOME`" ] || [ -n "`/sbin/ip addr show $IF to $NETMASK_WIFI_ANDROID`" ]; then
		reinit_proxy direct
                exit $?
        fi
fi

if [ "$IF" = "$LAN" ] && [ "$STATUS" = "up" ]; then
	
	if [ -n "`/sbin/ip addr show $IF to $NETMASK_LAN_HOME`" ]; then
		reinit_proxy direct
		exit $?
	elif [ -n "`/sbin/ip addr show $IF to $NETMASK_LAN_RVE`" ]; then
		reinit_proxy rve
                exit $?
	elif [ -n "`/sbin/ip addr show $IF to $NETMASK_LAN_ENG`" ]; then
		reinit_proxy eng
                exit $?
        fi
fi