1 files changed, 127 insertions, 0 deletions
diff --git a/usr/local/bin/ping_hosts.sh b/usr/local/bin/ping_hosts.sh
new file mode 100755
index 0000000..87bda45
--- /dev/null
+++ b/usr/local/bin/ping_hosts.sh
@@ -0,0 +1,127 @@
+#!/bin/sh
+
+# pfSense ping helper
+# written by Scott Ullrich
+# (C)2006 Scott Ullrich
+# All rights reserved.
+
+# Format of file should be deliminted by |
+#  Field 1:  Source ip
+#  Field 2:  Destination ip
+#  Field 3:  Ping count
+#  Field 4:  Script to run when service is down
+#  Field 5:  Script to run once service is restored
+#  Field 6:  Ping time threshold
+#  Field 7:  Wan ping time threshold
+
+# Read in ipsec ping hosts and check the CARP status
+if [ -f /var/db/ipsecpinghosts ]; then
+	IPSECHOSTS="/var/db/ipsecpinghosts"
+	CURRENTIPSECHOSTS="/var/db/currentipsecpinghosts"
+	IFVPNSTATE=`ifconfig $IFVPN | grep "carp: BACKUP vhid" | wc -l`
+	if [ $IFVPNSTATE -gt 1 ]; then
+		echo -e "CARP interface in BACKUP (not pinging ipsec hosts)"
+		rm -f $CURRENTIPSECHOSTS
+		touch $CURRENTIPSECHOSTS
+	else
+		echo -e "CARP interface is MASTER or non CARP (pinging ipsec hosts)"
+		cat < $IPSECHOSTS > $CURRENTIPSECHOSTS
+	fi
+fi
+
+# General file meant for user consumption
+if [ -f /var/db/hosts ]; then
+	HOSTS="/var/db/hosts"
+fi
+
+# Package specific ping requests
+if [ -f /var/db/pkgpinghosts ]; then
+	PKGHOSTS="/var/db/pkgpinghosts"
+fi
+
+cat $PKGHOSTS $HOSTS $IPSECHOSTS >/tmp/tmpHOSTS
+
+if [ ! -d /var/db/pingstatus ]; then
+	/bin/mkdir -p /var/db/pingstatus
+fi
+
+if [ ! -d /var/db/pingmsstatus ]; then
+	/bin/mkdir -p /var/db/pingmsstatus
+fi
+
+PINGHOSTS=`cat /tmp/tmpHOSTS`
+
+PINGHOSTCOUNT=`cat /tmp/tmpHOSTS | wc -l`
+
+if [ "$PINGHOSTCOUNT" -lt "1" ]; then
+	exit
+fi
+
+for TOPING in $PINGHOSTS ; do
+	echo "PROCESSING $TOPING"
+	SRCIP=`echo $TOPING | cut -d"|" -f1`
+	DSTIP=`echo $TOPING | cut -d"|" -f2`
+	COUNT=`echo $TOPING | cut -d"|" -f3`
+	FAILURESCRIPT=`echo $TOPING | cut -d"|" -f4`
+	SERVICERESTOREDSCRIPT=`echo $TOPING | cut -d"|" -f5`
+	THRESHOLD=`echo $TOPING | cut -d"|" -f6`
+	WANTHRESHOLD=`echo $TOPING | cut -d"|" -f7`
+	echo Processing $DSTIP
+	# Look for a service being down
+	ping -c $COUNT -S $SRCIP $DSTIP
+	if [ $? -eq 0 ]; then
+		# Host is up
+		# Read in previous status
+		PREVIOUSSTATUS=`cat /var/db/pingstatus/$DSTIP`
+		if [ "$PREVIOUSSTATUS" = "DOWN" ]; then
+			# Service restored
+			if [ "$SERVICERESTOREDSCRIPT" != "" ]; then
+				echo "UP" > /var/db/pingstatus/$DSTIP
+				echo "$DSTIP is UP, previous state was DOWN .. Running $SERVICERESTOREDSCRIPT"
+				echo "$DSTIP is UP, previous state was DOWN .. Running $SERVICERESTOREDSCRIPT" | logger -p daemon.info -i -t PingMonitor
+				sh -c $SERVICERESTOREDSCRIPT
+			fi
+		fi
+		echo "UP" > /var/db/pingstatus/$DSTIP
+	else
+		# Host is down
+		PREVIOUSSTATUS=`cat /var/db/pingstatus/$DSTIP`
+		if [ "$PREVIOUSSTATUS" = "UP" ]; then
+			# Service is down
+			if [ "$FAILURESCRIPT" != "" ]; then
+				echo "DOWN" > /var/db/pingstatus/$DSTIP
+				echo "$DSTIP is DOWN, previous state was UP ..  Running $FAILURESCRIPT"
+				echo "$DSTIP is DOWN, previous state was UP ..  Running $FAILURESCRIPT" | logger -p daemon.info -i -t PingMonitor
+				sh -c $FAILURESCRIPT
+			fi
+		fi
+		echo "DOWN" > /var/db/pingstatus/$DSTIP
+	fi
+	echo "Checking ping time $DSTIP"
+	# Look at ping values themselves
+	PINGTIME=`ping -c 1 -S $SRCIP $DSTIP | awk '{ print $7 }' | grep time | cut -d "=" -f2`
+	echo "Ping returned $?"
+	echo $PINGTIME > /var/db/pingmsstatus/$DSTIP
+	if [ "$THRESHOLD" != "" ]; then
+		if [ "$PINGTIME" -gt "$THRESHOLD" ]; then
+			echo "$DSTIP has exceeded ping threshold $PINGTIME / $THRESHOLD .. Running $FAILURESCRIPT"
+			echo "$DSTIP has exceeded ping threshold $PINGTIME / $THRESHOLD .. Running $FAILURESCRIPT" | logger -p daemon.info -i -t PingMonitor
+			sh -c $FAILURESCRIPT
+		fi
+	fi
+	# Wan ping time threshold
+	WANTIME=`rrdtool fetch /var/db/rrd/wan-quality.rrd AVERAGE -r 120 -s -1min -e -1min | grep ":" | cut -f3 -d" " | cut -d"e" -f1`
+	echo "Checking wan ping time $WANTIME"
+	echo $WANTIME > /var/db/wanaverage
+	if [ "$WANTHRESHOLD" != "" ]; then
+		if [ "$WANTIME" -gt "$WANTHRESHOLD" ]; then
+			echo "$DSTIP has exceeded wan ping threshold $WANTIME / $WANTHRESHOLD .. Running $FAILURESCRIPT"
+			echo "$DSTIP has exceeded wan ping threshold $WANTIME / $WANTHRESHOLD .. Running $FAILURESCRIPT" | logger -p daemon.info -i -t PingMonitor
+			sh -c $FAILURESCRIPT
+		fi
+	fi
+	sleep 1
+done
+
+exit 0
+