#!/bin/sh
[ -e /etc/config/network ] && exit 0

mkdir -p /etc/config

(
	if [ "$(/usr/bin/head -c4 /dev/mtdblock/1 | /usr/bin/tail -c3)" = "ELF" ]; then
		# WGT634u
		echo boardtype=wgt634u
	else
		strings /dev/mtdblock/3
	fi
) | awk '
function p(name) {
	if (c[name] != "") print name "=\"" c[name] "\""
}

BEGIN {
	FS="="
	c["lan_ifname"]="br0"
	c["lan_ifnames"]="vlan0 eth1"
	c["wan_proto"]="none"
	c["wan_ifname"]="vlan1"
	c["vlan0ports"]="1 2 3 4 5*"
	c["vlan1ports"]="0 5"
}

($1 == "boardnum") || ($1 == "boardtype") || ($1 == "boardflags") {
	nvram[$1] = $2
}

END {
	# v1 hardware
	if (nvram["boardtype"] == "bcm94710dev") {
		# Linksys WRT54G v1.x
		if (nvram["boardnum"] == "42") {
			c["vlan0ports"]=""
			c["vlan1ports"]=""
			c["lan_ifnames"]="vlan2 eth2"
		}

		# Asus WL-500g
		if (nvram["boardnum"] == "asusX") {
			c["lan_ifnames"]="eth0 eth1 eth2" # FIXME
			# wan_ifname=eth1
		}
	}
	if (nvram["boardtype"] == "wgt634u") {
		c["vlan0ports"] = "0 1 2 3 5*"
		c["vlan1ports"] = "4 5"
	}
	if (nvram["boardtype"] == "0x0467") {
		c["vlan0ports"] = "0 1 2 3 5*"
		c["vlan1ports"] = "4 5"
	}

	# WAP54G
	if ((nvram["boardnum"] == "2") || \
		(nvram["boardnum"] == "1024")) {
		c["lan_ifnames"]="eth0 eth1"
		c["wan_ifname"]=""
	}

	print "#### VLAN configuration "
	print "vlan0hwname=et0"
	print "vlan1hwname=et0"
	p("vlan0ports")
	p("vlan1ports")
	print ""
	print ""
	
	print "#### LAN configuration"
	print "lan_proto=\"static\""
	p("lan_ifname")
	p("lan_ifnames")
	print "lan_ipaddr=\"192.168.1.1\""
	print "# lan_dns=\"192.168.1.1\""
	print "# lan_gateway=\"192.168.1.1\""

	print ""
	print ""

	print "#### WAN configuration"
	print "# wan_proto: WAN protocol, available protocols:"
	print "#   none: disable"
	print "#   dhcp: DHCP"
	print "#   static: Static IP"
	print "#   pppoe: PPP over Ethernet"
	print "#   pptp: Point-to-Point tunneling Protocol"
	print "#     for pppoe and pptp you need to use wan_ifname=\"ppp0\""
	print ""
	print "wan_proto=dhcp"
	p("wan_ifname")
	print "wan_device=\"" c["wan_ifname"] "\""
	print "# wan_ipaddr=\"192.168.0.2\""
	print "# wan_netmask=\"255.255.255.0\""
	print "# wan_gateway=\"192.168.0.1\""
	print "# wan_dns=\"192.168.0.1\""
	print ""
	print "## PPP over Ethernet and PPTP"
	print "# wan_ifname=\"ppp0\""
	print "# pptp_server_ip=\"192.168.0.1\""
}
' > /etc/config/network