#!/bin/sh

ifconfig usb0 10.1.1.1 netmask 255.255.255.0 up
ifconfig

#sleep 1

mkdir -p /var/lib/misc/
touch /var/lib/misc/udhcpd.leases

ps w |grep "udhcpd_usb"|grep -v grep
if [ $? -eq 0 ] ; then
	echo "udhcpd_usb already exist."
	exit 0
else
	echo "try to start udhcpd_eth."
	udhcpd -S /appset/res/udhcpd_usb.conf &
	#sleep 1
fi

ps w


#i=1
#while [ $i ]
#do
#	ifconfig |grep "ppp0"
#	if [ $? -eq 0 ] ; then
#	    route add default dev ppp0 
#		ipaddr=`ifconfig ppp0 | grep 'inet addr:'| cut -d: -f2 | awk '{ print $1}'`
#		ip route add default via $ipaddr dev ppp0 table 12
#		ip rule add from $ipaddr table 12
#		break;
#	fi
#	sleep 10
#done

route
#ip route show table 12
#ip rule show

sh -c "echo 'nameserver 8.8.8.8' > /etc/resolv.conf"
cat /etc/resolv.conf

echo "ip_forward"
#echo 1 > /proc/sys/net/ipv4/ip_forward
cat /proc/sys/net/ipv4/ip_forward

iptables -t nat -vnL POSTROUTING | grep "usb0" | grep -v grep
if [ $? -eq 0 ] ; then
    echo "usb0 MASQUERADE already exist."
else
    iptables -t nat -A POSTROUTING -o usb0 -j MASQUERADE
	#echo 1 > /proc/sys/net/ipv4/conf/usb0/proxy_arp
    echo "-A POSTROUTING -o usb0 -j MASQUERADE"
fi

if [ $# -eq 0 ] ; then
	iptables -t nat -A POSTROUTING  -s 10.1.1.0/24 -o ppp0 -j MASQUERADE
	echo "$# -eq 0"
else
if [ "$1" == "eth0" ] ; then
	iptables -t nat -A POSTROUTING  -s 10.1.1.0/24 -o eth0 -j MASQUERADE
	echo "eth0 routing"
else
	iptables -t nat -A POSTROUTING  -s 10.1.1.0/24 -o ppp0 -j MASQUERADE
	echo "ppp0 routing"
fi
fi

iptables -t nat -vnL POSTROUTING

echo "usb_online config end"