Update vpnmon.sh

vpnmon.sh

@@ -5,7 +5,8 @@ source /opt/idssys/defaults/colors.inc
 source /opt/idssys/defaults/default.inc
 source /opt/idssys/vpnmon/system.inc
 
-
+logfile=/opt/idssys/vpnmon/logfile
+touch $logfile
 
 START(){
 	
@@ -28,9 +29,15 @@ START(){
 		/usr/sbin/service unifi-poller start
 	fi
 	
+	rm -f /opt/idssys/vpnmon/vpn.stop
+	
+	echo "$(date) - VPN started" >> $logfile
+	
 }
 STOP(){
 	
+	touch /opt/idssys/vpnmon/vpn.stop
+	
 	if [ "${SYSTEM}" = "unifipoller" ]; then
 		/usr/sbin/service unifi-poller stop
 	fi
@@ -38,24 +45,55 @@ STOP(){
 	sudo bash -c 'echo "d myVPN" > /var/run/xl2tpd/l2tp-control'
 	/usr/sbin/ipsec down L2TP-PSK
 	
+	
+	
+	echo "$(date) - VPN stopped" >> $logfile
+
 }
 CHECK(){
 	
-	checked=false
+	if [ ! -f /opt/idssys/vpnmon/vpn.stop ]; then
-	cc=0
+	
-	until [ "${checked}" = "" ]; do
+		touch /opt/idssys/vpnmon/vpn.stop
-		OUT=$(ip link | grep "ppp0")			
+		
-		#OUT=`ip a show $VPN_INTERFACE up` >/dev/null 2>&1
+		checked=false
-		if [ ${#OUT} -ne 0 ]; then
+		cc=0
-			checked=""
+		until [ "${checked}" = "" ]; do
-		elif [ ${cc} -eq 10 ]; then
+			OUT=$(ip link | grep "ppp0")			
-			STOP
+			#OUT=`ip a show $VPN_INTERFACE up` >/dev/null 2>&1
-			sleep 5s
+			if [ ${#OUT} -ne 0 ]; then
-			START
+				checked=""
-		fi
+			elif [ ${cc} -eq 10 ]; then			
-		((cc=${cc}+1))
+				if [ -f /opt/idssys/vpnmon/vpn.fail ]; then
-		sleep 1s
+					echo "$(date) - VPN Failure #2 - stopping for 5mins" >> $logfile
-	done
+					touch /opt/idssys/vpnmon/vpn.fail2
+					rm -f /opt/idssys/vpnmon/vpn.fail
+					STOP
+					sleep 5m
+					START
+					exit 1	
+				elif [ -f /opt/idssys/vpnmon/vpn.fail2 ]; then
+					echo "$(date) - VPN Failure #3 - Shutting down VPN system until repaired" >> $logfile
+					STOP
+					exit 1
+				else
+					echo "$(date) - VPN Failure #1 - stopping for 1min" >> $logfile
+					touch /opt/idssys/vpnmon/vpn.fail
+					STOP
+					sleep 1m
+					START
+					exit 1
+				fi
+			fi
+			((cc=${cc}+1))
+			sleep 1s
+		done
+	
+		rm -f /opt/idssys/vpnmon/vpn.stop
+		
+	else
+		echo "VPN system is stopped and must be restarted manually"
+	fi
 
 }