Use the most recent tun device (only one).

Author: dak180

ipfw.rules

@@ -11,9 +11,9 @@ ipfw -q -f flush add
 ${cmd} 00193 deny all from any to any uid ${user}
 
 # Get the tunnel id dynamically
-vpn="$(ifconfig | grep -v "groups" | grep "tun" | cut -d ":" -f1 | head -n 1)"
+vpn="$(ifconfig | grep -v "groups" | grep "tun" | cut -d ":" -f1 | tail -n 1)"
 while [ -z "${vpn}" ] && [ "${try:="0"}" -le "20" ]; do
-	vpn="$(ifconfig | grep -v "groups" | grep "tun" | cut -d ":" -f1 | head -n 1)"
+	vpn="$(ifconfig | grep -v "groups" | grep "tun" | cut -d ":" -f1 | tail -n 1)"
 	try="$(( try + 1 ))"
 	sleep 3
 done

pia-port-forward.sh

@@ -25,6 +25,7 @@ vpnUser="transmission"
 vpnDir="/usr/local/etc/openvpn"
 tempDir="/tmp/piaPort"
 curlMaxTime="15"
+firewallScript="/mnt/scripts/trans/ipfw.rules"
 payloadFile="${tempDir}/payload.sig"
 passFile="${vpnDir}/pass.txt"
 
@@ -62,15 +63,21 @@ function VPN_Status() {
 	# set adaptorName
 	# Config
 	local tunnelAdapter
+	local tunnelAdapters
 	local try
 
-	tunnelAdapter="$(ifconfig | grep -v "groups" | grep "tun" | cut -d ":" -f1)"
+	tunnelAdapter="$(ifconfig | grep -v "groups" | grep "tun" | cut -d ":" -f1 | tail -n 1)"
 	while [ -z "${tunnelAdapter}" ] && [ "${try:=0}" -le "20" ]; do
-		tunnelAdapter="$(ifconfig | grep -v "groups" | grep "tun" | cut -d ":" -f1)"
+		tunnelAdapter="$(ifconfig | grep -v "groups" | grep "tun" | cut -d ":" -f1 | tail -n 1)"
 		try="$(( try + 1 ))"
 		sleep 3
 	done
 
+	readarray -t tunnelAdapters <<< "$(ifconfig | grep -v "groups" | grep "tun" | cut -d ":" -f1)"
+	if [ "${#tunnelAdapters[@]}" -gt "1" ]; then
+		${firewallScript}
+	fi
+
 	if [ -z "${tunnelAdapter}" ]; then
 		return 1
 	else