From 32bb348f75a4c8806d95c2ba871a58dbf079b012 Mon Sep 17 00:00:00 2001
From: Reed McIntosh <reedmcintosh@tutamail.com>
Date: Thu, 15 Apr 2021 12:33:31 -0400
Subject: [PATCH] updated README and added freeatt.sh

---
 bin/freeatt.sh | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 bin/freeatt.sh

diff --git a/bin/freeatt.sh b/bin/freeatt.sh
new file mode 100644
index 0000000..6143f25
--- /dev/null
+++ b/bin/freeatt.sh
@@ -0,0 +1,87 @@
+#!/bin/sh
+set -e
+
+ONT_IF='xx0'
+RG_IF='xx1'
+RG_ETHER_ADDR='xx:xx:xx:xx:xx:xx'
+LOG=/var/log/freeatt.log
+
+getTimestamp(){
+    echo `date "+%Y-%m-%d %H:%M:%S :: [freeatt.sh] ::"`
+}
+
+{
+    echo "$(getTimestamp) FreeBSD pf + AT&T U-verse Residential Gateway for true bridge mode"
+    echo "$(getTimestamp) Configuration: "
+    echo "$(getTimestamp)        ONT_IF: $ONT_IF"
+    echo "$(getTimestamp)         RG_IF: $RG_IF"
+    echo "$(getTimestamp) RG_ETHER_ADDR: $RG_ETHER_ADDR"
+
+    echo "$(getTimestamp) building netgraph nodes..."
+
+    echo -n "$(getTimestamp)   creating ng_one2many... "
+    /usr/sbin/ngctl mkpeer $ONT_IF: one2many lower one
+    /usr/sbin/ngctl name $ONT_IF:lower o2m
+    echo "OK!"
+
+    echo -n "$(getTimestamp)   creating vlan node and interface... "
+    /usr/sbin/ngctl mkpeer o2m: vlan many0 downstream
+    /usr/sbin/ngctl name o2m:many0 vlan0
+    /usr/sbin/ngctl mkpeer vlan0: eiface vlan0 ether
+
+    /usr/sbin/ngctl msg vlan0: 'addfilter { vlan=0 hook="vlan0" }'
+    /usr/sbin/ngctl msg ngeth0: set $RG_ETHER_ADDR
+    echo "OK!"
+
+    echo -n "$(getTimestamp)   defining etf for $ONT_IF (ONT)... "
+    /usr/sbin/ngctl mkpeer o2m: etf many1 downstream
+    /usr/sbin/ngctl name o2m:many1 waneapfilter
+    /usr/sbin/ngctl connect waneapfilter: $ONT_IF: nomatch upper
+    echo "OK!"
+
+    echo -n "$(getTimestamp)   defining etf for $RG_IF (RG)... "
+    /usr/sbin/ngctl mkpeer $RG_IF: etf lower downstream
+    /usr/sbin/ngctl name $RG_IF:lower laneapfilter
+    /usr/sbin/ngctl connect laneapfilter: $RG_IF: nomatch upper
+    echo "OK!"
+
+    echo -n "$(getTimestamp)   bridging etf for $ONT_IF <-> $RG_IF... "
+    /usr/sbin/ngctl connect waneapfilter: laneapfilter: eapout eapout
+    echo "OK!"
+
+    echo -n "$(getTimestamp)   defining filters for EAP traffic... "
+    /usr/sbin/ngctl msg waneapfilter: 'setfilter { matchhook="eapout" ethertype=0x888e }'
+    /usr/sbin/ngctl msg laneapfilter: 'setfilter { matchhook="eapout" ethertype=0x888e }'
+    echo "OK!"
+
+    echo -n "$(getTimestamp)   enabling one2many links... "
+    /usr/sbin/ngctl msg o2m: setconfig "{ xmitAlg=2 failAlg=1 enabledLinks=[ 1 1 ] }"
+    echo "OK!"
+
+    echo -n "$(getTimestamp)   removing waneapfilter:nomatch hook... "
+    /usr/sbin/ngctl rmhook waneapfilter: nomatch
+    echo "OK!"
+
+    echo -n "$(getTimestamp) enabling $RG_IF interface... "
+    /sbin/ifconfig $RG_IF up
+    echo "OK!"
+
+    echo -n "$(getTimestamp) enabling $ONT_IF interface... "
+    /sbin/ifconfig $ONT_IF up
+    echo "OK!"
+
+    echo -n "$(getTimestamp) enabling promiscuous mode on $RG_IF... "
+    /sbin/ifconfig $RG_IF promisc
+    echo "OK!"
+
+    echo -n "$(getTimestamp) enabling promiscuous mode on $ONT_IF... "
+    /sbin/ifconfig $ONT_IF promisc
+    echo "OK!"
+
+    echo -n "$(getTimestamp) set mac address on ngeth0..."
+    /sbin/ifconfig ngeth0 ether $RG_ETHER_ADDR
+    echo "OK!"
+
+    echo "$(getTimestamp) ngeth0 should now be available to configure as your pf WAN"
+    echo "$(getTimestamp) done!"
+} >> $LOG