#!/bin/sh
#
#  This script sets up the /etc/network/interface file for the new
# image.
#
# Steve
# --
# http://www.steve.org.uk/


prefix=$1
dist=$2



#
#  Sets up the networking installation for Debian GNU/Linux.
#
function setupDebian
{
    if [[ -z "${dhcp}" ]]; then

        #
        # We have a static IP address
        #
	cat <<E_O_STATIC >${prefix}/etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback
	    
# The primary network interface
auto eth0
iface eth0 inet static
 address ${ip1}
 gateway ${gateway}
 netmask ${netmask}
 # post-up  ethtool -K eth0 tx off

#
# The commented out line above will disable TCP checksumming which
# might resolve problems for some users.  It is disabled by default
#
E_O_STATIC


	interface=1
	count=2

	while [ "${count}" -le "${ip_count}" ]; do
	    
	    value=\$ip${count}
	    value=`eval echo $value`

	cat <<E_O_STATIC >>${prefix}/etc/network/interfaces
auto eth0:${interface}
iface eth0:${interface} inet static
 address ${value}
 netmask ${netmask}
 # post-up  ethtool -K eth0 tx off
E_O_STATIC
	    count=`expr $count + 1`
	    interface=`expr $interface + 1`
	done
    else

        #
        # The host is using DHCP.
        #
	cat <<E_O_DHCP > ${prefix}/etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback
	    
# The primary network interface
auto eth0
iface eth0 inet dhcp
# post-up ethtool -K eth0 tx off

#
# The commented out line above will disable TCP checksumming which
# might resolve problems for some users.  It is disabled by default
#
E_O_DHCP

    fi
}




#
#  Setup networking for CentOS4
#
function setupCentOS4
{

    #
    #  Test for static vs. DHCP
    #
    if [[ -z "${dhcp}" ]]; then

	#
	#  Setup the initial interface
	#
	cat <<E_O_STATIC >${prefix}/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=${ip1}
NETMASK=${netmask}
GATEWAY=${gateway}
E_O_STATIC

	#
	#  Now setup any other ones.
	#
	interface=1
	count=2

	while [ "${count}" -le "${ip_count}" ]; do
    
	    value=\$ip${count}
	    value=`eval echo $value`

	cat <<E_O_STATIC >${prefix}/etc/sysconfig/network-scripts/ifcfg-eth0:${interface}
DEVICE=eth0:${interface}
ONBOOT=yes
BOOTPROTO=static
IPADDR=${value}
NETMASK=${netmask}
E_O_STATIC
	    count=`expr $count + 1`
	    interface=`expr $interface + 1`
	done

    else
	
	cat <<E_O_DHCP >${prefix}/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
BOOTPROTO=dhcp
ONBOOT=yes
E_O_DHCP
    fi

    #
    #  Don't forget to setup the default route.
    #
    cat <<EOF >${prefix}/etc/sysconfig/network
NETWORKING=yes
GATEWAY=${gateway}
HOSTNAME=${hostname}
EOF
}




#
#  Entry point to the script.
#
case "${dist}" in
    sarge|etch|sid)
	mkdir -p ${prefix}/etc/network
        setupDebian
        ;;
    centos4)
	mkdir -p ${prefix}/etc/sysconfig/network-scripts/
	setupCentOS4
	;;
    *)
	echo "Unknown distribution '${dist}'.  Fixme";
	exit;
	;;
esac