#!/bin/sh

# $Id: network.ini,v 1.9 2005/08/13 10:02:16 thomasez Exp $

# Remember to set up the network interface card with IRQ and base address
# in syslinux.cfg if nessesary.

#
# Grabbing the config.
#
. /etc/config

#
# Grabbing the function library.
#
. /etc/functions.inc

ifconfig lo 127.0.0.1


#
# Brad wanted these next 5 lines.
#
cat > /etc/inside.info <<-EOF
	INSIDE_DEVICE=$INSIDE_DEV
	INSIDE_IP=$INSIDE_IP
	INSIDE_NETMASK=$INSIDE_NETMASK
EOF

#
# Let's make things easier for the users and find this automagically.
#
[ -n "$INSIDE_IP" ] && [ -n "$INSIDE_NETMASK" ] && {
	eval `ipcalc -n -b $INSIDE_IP $INSIDE_NETMASK`
	INSIDE_NETWORK=$NETWORK
	unset NETWORK
	INSIDE_BROADCAST=$BROADCAST
	unset BROADCAST
}


cat >> /etc/inside.info <<-EOF
	INSIDE_NETWORK=$INSIDE_NETWORK
	INSIDE_BROADCAST=$INSIDE_BROADCAST
EOF

# Resetting.
NETWORK=
BROADCAST=

#
# Setting up the inside:
#
configure_interface $INSIDE_DEV $INSIDE_IP \
	netmask $INSIDE_NETMASK broadcast $INSIDE_BROADCAST

#
# setting up /etc/hosts
#
echo ""
echo "$INSIDE_IP $HOSTNAME.$DOMAIN  $HOSTNAME" >> /etc/hosts
# setting up hostname
hostname $HOSTNAME
hostname -d $DOMAIN
echo "Hostname (fully qualified) set up to `hostname -f`"

#
# Tip from Jacco Kok. Setting the MAC address to fool 
# some bootp/dhcp servers and arp.
#
if [ -n "$OUTSIDE_MAC" ]
then
	echo "Faking MAC address."
	ifconfig $OUTSIDE_DEV hw ether $OUTSIDE_MAC
fi

#
# DMZ Setup. This has to be done before the OUTSIDE stuff since
# it's the outside stuff that starts firewall.ini
#
if bool_value $USE_DMZ
then
	#
	# Let's make things easier for the users and find this automagically.
	#
	echo "Setting up DMZ network."
	eval `ipcalc -n -b $DMZ_IP $DMZ_NETMASK`
	DMZ_NETWORK=$NETWORK
	DMZ_BROADCAST=$BROADCAST

	configure_interface $DMZ_DEV $DMZ_IP netmask $DMZ_NETMASK broadcast $DMZ_BROADCAST

	cat > /etc/dmz.info <<EOF
DMZ_DEVICE=$DMZ_DEV
DMZ_IP=$DMZ_IP
DMZ_NETMASK=$DMZ_NETMASK
DMZ_NETWORK=$DMZ_NETWORK
DMZ_BROADCAST=$DMZ_BROADCAST
EOF

fi


#
# Outside settings basec on the CONNECT_TYPE:
#

#
# All connection methods other than the default (STATIC) has to:
#
# - Create /etc/outside.info
# - Create /etc/resolf.conf
# - Set default gateway
# - Boot /etc/firewall.ini


case "$CONNECT_TYPE" in
	#
	# Both PPP and PPPoE is taken care of by the ppp-up.ini script.
	#
	PPP|PPPoE|PPPOE)
		echo "Connetion method is PPP(oE), "
		echo -n "loading PPP modules."
		echo -n "slhc "
		modprobe slhc
		echo -n "ppp_generic "
		modprobe ppp_generic
		echo "ppp_async "
		modprobe ppp_async
		/etc/ppp/ppp-up
		#
		# Uwe Dippel wanted this one here.
		#
		if [ $DEMAND != 'no' ]; then
			echo "Demand dialing enabled, running firewall.init"
			/etc/firewall.init
		fi
		;;
	DHCP)
		echo "Connetion method is DHCP"
		echo "OUTSIDE_DEVICE=$OUTSIDE_DEV" > /etc/outside.info
		if /etc/udhcpc.sh
		then
			. /etc/outside.info
		else
			echo "duh!"	# Or some more useful error handling
			echo -n "Sorry, I could not get an IP address,"
			echo -n " I'd better quit."
			exit;
		fi
		;;
	EXTERNAL)
		echo "Connetion method is an External script (/etc/ext-up.ini)"
		/etc/ext-up.init
		;;
	*)  # STATIC and the rest.
		echo "Connetion method is the default (STATIC)."

		#
		# Let's make things easier for the users and
		# find this automagically.
		#
		eval `ipcalc -n -b $OUTSIDE_IP $OUTSIDE_NETMASK`
		OUTSIDE_NETWORK=$NETWORK
		OUTSIDE_BROADCAST=$BROADCAST

		configure_interface $OUTSIDE_DEV $OUTSIDE_IP \
			netmask $OUTSIDE_NETMASK broadcast $OUTSIDE_BROADCAST
		route add default gw $DEFAULT_GATEWAY metric 1

		echo "Setting up name server (etc/resolv.conf) "

		echo "search $DOMAIN" >> /etc/resolv.conf

		NAME_SERVER=`echo $OUTSIDE_NAMESERVERS | sed 's/,/ /g'`
		for i in $NAME_SERVER
		do
			echo "nameserver $i" >> /etc/resolv.conf
		done
		unset i

		cat > /etc/outside.info <<EOF
OUTSIDE_DEVICE=$OUTSIDE_DEV
OUTSIDE_IP=$OUTSIDE_IP
OUTSIDE_NETMASK=$OUTSIDE_NETMASK
OUTSIDE_NETWORK=$OUTSIDE_NETWORK
OUTSIDE_BROADCAST=$OUTSIDE_BROADCAST
OUTSIDE_GATEWAY=$DEFAULT_GATEWAY
EOF
		# Resetting.
		NETWORK=
		BROADCAST=

		echo "Setting up firewall rules: "
		/etc/firewall.init
		echo
		;;
esac


#
# No umask so it ends up with 600 with both dhcp and PPPoE
# I'm lazy and place it here.
chmod 644 /etc/resolv.conf

#
# DHCP Daemon and DNS Cache.
#
p=`pidof dnsmasq`

DNSMASQ_OPTS="-i $INSIDE_DEV"

if bool_value "$USE_DMZ"
then
  DNSMASQ_OPTS="$DNSMASQ_OPTS -i $DMZ_DEV"
fi

if bool_value "$DHCP_SERVER"
then
	/etc/udhcpd.conf.sh
	/sbin/udhcpd /etc/udhcpd.conf
	pidof dnsmasq > /dev/null || /sbin/dnsmasq $DNSMASQ_OPTS 
else
	if bool_value "$DNSMASQ"
	then
		pidof dnsmasq > /dev/null || /sbin/dnsmasq $DNSMASQ_OPTS 
	fi
fi

if bool_value "$DMZ_DHCP_SERVER"
then
	/etc/dmz-udhcpd.conf.sh
	/sbin/udhcpd /etc/dmz-udhcpd.conf
	pidof dnsmasq > /dev/null || /sbin/dnsmasq $DNSMASQ_OPTS 
fi