#! /bin/sh
/&/& /sbin/telnetd

### Settings ###
ssid='myssid'
psk='mypassword'
channel='6'
ip='192.168.0.222'
gateway='192.168.0.1'
dns1='192.168.0.1'
dns2='192.168.0.1'

### Firewall ###
ifconfig eth1.2 192.168.200.1
brctl addif br5 eth1.3
cd /var/net_mgr/exec
./FirewallInit
./FirewallNone

### Catch Multiple Executions ###
if [ -f /tmp/started ]; then exit 0; fi
touch /tmp/started

### Housekeeping ###
killall udhcpc
killall pppoe-relay
brctl delif br0 wl0
brctl delif br0 eth1.3
brctl delif br0 usb0
brctl delif br2 wl0.1
ifconfig br0 down
ifconfig br1 down
ifconfig br2 down
ifconfig br3 down
ifconfig br4 down
ifconfig usb0 down
ifconfig wl0.1 down
echo "nameserver ${dns1}" > /var/etc/resolv.conf
echo "nameserver ${dns2}" >> /var/etc/resolv.conf

### Wireless Client ###
wl ap 0
wl wet 1
wl channel $channel
wl scan
wl scanresults
ifconfig wl0 $ip
killall nas
nas -P /var/nas.sta.pid -H 34954 -i wl0 -S -m 4 -k $psk -s $ssid -w 2 -g 3600 > /dev/null 2>&1 &

### Set up bridge ###
while [ $(ping -c 1 $gateway | grep -c "1 packets received") -eq 0 ]; do echo 1 > /dev/zero; done
brctl addif br5 wl0
ifconfig wl0 0.0.0.0 up
ifconfig eth1.3 0.0.0.0 up
ifconfig br5 $ip up
route add default gw $gateway br5

### Keep Alive ###
while [ $(ping -c 1 $gateway | grep -c "1 packets received") -eq 0 ]; do echo 1 > /dev/zero; done
foo='$('
echo "while [ 1 ]; do
  if [ ${foo}ping -c 1 ${gateway} | grep -c '1 packets received') -eq 0 ]; then
    brctl delif br5 wl0
    ifconfig br5 0.0.0.0
    ifconfig wl0 ${ip}
    ping -q -c 2 ${ip} > /dev/zero
    ifconfig wl0 0.0.0.0
    brctl addif br5 wl0
    ifconfig br5 ${ip}
    route add default gw ${gateway} br5
    ping -q -c 31 ${ip} > /dev/zero
  fi
  ping -q -c 2 ${ip} > /dev/zero #one second pause
done" > /tmp/keepalive.sh
sh /tmp/keepalive.sh &

echo "HTTP/1.1 204 No Content
Content-Length: 0
Connection: close
" > /tmp/index.html

echo "while [ 1 ]; do
  nc -l -p 1234 < /tmp/index.html | grep GET > /dev/ttyS0
done" > /tmp/serial.sh
sh /tmp/serial.sh &