root/floppyfw/files/network.ini

#!/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

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:
#
ifconfig $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 [ "$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 [ "$USE_DMZ" = y ]
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

        ifconfig $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
                HARGS=
                [ "$USER_IDENT" != "" ] && HARGS="-H $USER_IDENT"
                if /sbin/udhcpc -n -s /etc/udhcpcrenew.sh $HARGS -i $OUTSIDE_DEV
                then
                        . /etc/outside.info
                else
                        echo "duh!"     # Or some more useful error handling
                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

                ifconfig $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 [ "$USE_DMZ" = y ]
then
  DNSMASQ_OPTS="$DNSMASQ_OPTS -i $DMZ_DEV"
fi

if [ "$DHCP_SERVER" = y ]
then
        /etc/udhcpd.conf.sh
        /sbin/udhcpd /etc/udhcpd.conf
        pidof dnsmasq || /sbin/dnsmasq $DNSMASQ_OPTS 
else
        if [ "$DNSMASQ" = y ]
        then
                pidof dnsmasq || /sbin/dnsmasq $DNSMASQ_OPTS 
        fi
fi

if [ "$DMZ_DHCP_SERVER" = y ]
then
        /etc/dmz-udhcpd.conf.sh
        /sbin/udhcpd /etc/dmz-udhcpd.conf
        pidof dnsmasq || /sbin/dnsmasq $DNSMASQ_OPTS 
fi