#!/bin/bash
#Framework, welches ein komplettes Linux System aus den Sourcen erstellt
#dieses Framework wird im CVS Repository
#:pserver:cvs.compuextreme.de:/Data/cvs zur Verfügung gestellt
#
#Lage dieser Datei im Archiv: $Source: $
#
#(c) 2003 Harald Kueller, Germany
#This program is free software; you can redistribute it and/or
#modify ist under the terms of the GNU General Public License
#as published by the Free Software Foundation; either version
#2 of the License, or (at your option) any later version.
#
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#See the GNU General Public License for more details.
#
#You should have received a copy of the GNU General Public License
#along with this program; if not write to the Free Software Foundation,
#Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#Script:
#BasisScript ViitorSetup
#Funktionsammlung zur Netzwerk Konfiguration in ViitorLinux
#
#Letzte Änderung von: $Author: $
#Datum der letzten Änderung: $Date: $
#Version der Datei: $Revision: $
#
#$Log: $

source /etc/init.d/functions

GetNetConfigType() {
	DEVICE=$1
	TYPE=`$DIALOGPRG --stdout --clear --title "Viitor Setup Programm" \
	--radiolist "Select Configuration Type for Device $1" 0 0 3 \
	Dynamic dhcp true \
	Static Manual false`
	if [ "$TYPE" == "Static" ]; then
		GetStaticNetConfig $1
	else
		if [ "$INSTALLROOT" ]; then
			touch $INSTALLROOT/etc/sysconfig/net/eth0.dhcp
		else
			touch /etc/sysconfig/net/eth0.dhcp
		fi
	fi
	}
	
GetStaticNetConfig() {
        DEVICE=$1
        AKT_IP=`/sbin/ifconfig $DEVICE|grep inet|awk '{print $2}'|cut -d":" -f 2
`
        AKT_MASK=`/sbin/ifconfig $DEVICE|grep inet|awk '{print $4}'|cut -d":" -f 2`
	AKT_HOSTNAME=`getent hosts $AKT_IP|awk '{print $2}'`
        if [ "$DIALOGPRG" == "dialog" ]; then
                IP_INFO=`dialog --stdout --form \
                        "Insert your Network Information" 10 35 0 \
                        "IP Adress:" 1 1 "$AKT_IP" 1 12 15 0 \
			"Hostname :" 2 1 "$AKT_HOSTNAME" 2 12 15 0 \
                        "Net Mask :" 3 1 "$AKT_MASK" 3 12 15 0 `
		if [ $? == "0" ]; then
                	IP=`echo $IP_INFO|awk '{ print $1 }'`
			HN=`echo $IP_INFO|awk '{ print $2 }'`
                	NM=`echo $IP_INFO|awk '{ print $3 }'`
		else
			return 1;
		fi
        else
		IP_INFO=`Xdialog --stdout --title "ViitorLinux Network Setup" \
			 --3inputsbox "Insert IP and Hostname" 20 0 \
			 "IP Adress:" "$AKT_IP" \
			 "Hostname :" "$AKT_HOSTNAME" \
			 "Net Mask :" "$AKT_MASK"`
		if [ $? == "0" ]; then
			IP=`echo $IP_INFO|awk -F"/" '{ print $1 }'`
			HN=`echo $IP_INFO|awk -F"/" '{ print $2 }'`
			GW=`echo $IP_INFO|awk -F"/" '{ print $3 }'`
		else
			return 1;
		fi
		NETADDR=`getnetaddr $IP $NM`
		if [ "$INSTALLROOT" ]; then
			NMFILE=$INSTALLROOT/etc/netmasks
			HOSTFILE=$INSTALLROOT/etc/hosts
		else
			NMFILE=/etc/netmasks
			HOSTFILE=/etc/hosts
		fi
		if [ ! -f /etc/netmasks ]; then
			touch $NMFILE
		fi
		if grep $NETADDR /etc/netmasks; then
			sed -e "s/$NETADDR.*$/$NETADDR $NM" $NMFILE >/tmp/netmasks
			mv /tmp/netmasks $NMFILE
		else
			echo "$NETADDR $NM" >>$NMFILE
		fi
		if grep $HN /etc/hosts; then
			sed -e "s/$IP.*$/$IP	$HN/" $HOSTFILE >/tmp/hosts
			mv /tmp/hosts $HOSTFILE
		else
			echo "$IP	$HN" >>$HOSTFILE
		fi
		if [ "$INSTALLROOT" ]; then
			echo $HN >$INSTALLROOT/etc/sysconfig/net/hostname.$DEVICE
		else
			echo $HN >/etc/sysconfig/net/hostname.$DEVICE
		fi
        fi
}

GetNameServiceType() {
        TYPE=`$DIALOGPRG --title "Select Nameservice" --clear --stdout \
                --radiolist "Which Nameservice should i use?" 0 0 3 \
                "DNS " "Use DNS only" off \
                "NIS " "Use NIS only" off \
                "both" "Use NIS and DNS" on`
}

GetDNSInformation() {
	DNS_SEARCH=`grep search /etc/resolv.conf|sed -e "s/search *//"`
	DNS_IP=`grep nameserver /etc/resolv.conf|sed -e "s/nameserver *//"`
	DNS_DOMAIN=`grep domain /etc/resolv.conf|sed -e "s/domain *//"`
	RESOLVFILE=/etc/resolve.conf
	if [ $INSTALLROOT ]; then
		$RESOLVFILE=$INSTALLROOT/$RESOLVFILE
	fi
	if [ "$DIALOGPRG" == "dialog" ]; then
		DNS_INFO=`dialog --stdout --form \
		          "Insert your DNS Information" 10 35 0 \
			  "DNS Server Adress:" 1 1 "$DNS_IP" 1 12 15 0 \
			  "DNS Domain Name  :" 2 1 "$DNS_DOMAIN" 2 12 15 0 \
			  "DNS Search List  :" 3 1 "$DNS_SEARCH" 3 12 15 0`
		if [ $? == "0" ]; then
			DNS_IP=`echo $DNS_INFO|awk '{print $1}'`
			DNS_DOMAIN=`echo $DNS_INFO|awk '{print $2}'`
			DNS_SEARCH=`echo $DNS_INFO|awk '{print $3}'`
			echo "domain $DNS_DOMAIN" >$RESOLVFILE
			echo "search $DNS_SEARCH" >>$RESOLVFILE
			echo "nameserver $DNS_IP" >>$RESOLVFILE
		fi
	else
		DNS_INFO=`Xdialog --stdout --title "ViitorLinuxNetwork Setup" \
			 --3inputsbox "Insert your DNS Information" 20 0 \
			 "DNS Server Adress:" "$DNS_IP" \
			 "DNS Domain Name  :" "$DNS_DOMAIN" \
			 "DNS Search List  :" "$DNS_SEARCH"`
		if [ $? == "0" ]; then
			DNS_IP=`echo $DNS_INFO|awk -F "/" '{print $1}'`
			DNS_DOMAIN=`echo $DNS_INFO|awk -F "/" '{print $2}'`
			DNS_SEARCH=`echo $DNS_INFO|awk -F "/" '{print $3}'`
			echo "domain $DNS_DOMAIN" >$RESOLVFILE
			echo "search $DNS_SEARCH" >>$RESOLVFILE
			echo "nameserver $DNS_IP" >>$RESOLVFILE
		fi
	fi
	if [ $? == "0" ]; then
		DNS_IP=`echo $DNS_INFO|awk -F "/" '{print $1}'`
		DNS_DOMAIN=`echo $DNS_INFO|awk -F "/" '{print $2}'`
		DNS_SEARCH=`echo $DNS_INFO|awk -F "/" '{print $3}'`
		echo "domain $DNS_DOMAIN" >$RESOLVFILE
		echo "search $DNS_SEARCH" >>$RESOLVFILE
		echo "nameserver $DNS_IP" >>$RESOLVFILE
	fi
	}

GetNISInformation() {
	if ypwhich >/dev/null 2>&1; then
		NIS_IP=`ypwhich`
		NIS_IP=`ping -c 1 $NIS_IP| \
		        head -n 1| \
			awk '{print $3}'| \
			sed -e "s/[():]//g"`
	fi
	NIS_DOMAIN=`domainname`
	if [ "$DIALOGPRG" == "dialog" ]; then
		NIS_INFO=`dialog --stdout --form \
		         "Insert your NIS Information" 10 35 0 \
			 "NIS Server :" 1 1 "$NIS_IP" 1 12 15 0 \
			 "NIS Domain :" 2 1 "$NIS_DOMAIN" 2 12 15 0`
		if [ $? == "0" ]; then
			NIS_IP=`echo $NIS_INFO|awk '{print $1}'`
			NIS_DOMAIN=`echo $NIS_INFO|awk '{print $2}'`
		fi
	else
		NIS_INFO=`Xdialog --stdout --title "ViitorLinuxNetwork Setup" \
		         --2inputsbox "Insert your NIS Information" 20 0 \
			 "NIS Server :" "$NIS_IP" \
			 "NIS Domain :" "$NIS_DOMAIN"`
		if [ $? == "0" ]; then
			NIS_IP=`echo $NIS_INFO|awk -F "/" '{print $1}'`
			NIS_DOMAIN=`echo $NIS_INFO|awk -F "/" '{print $2}'`
		fi
	fi
	}

GetNetDevices() {
	ifconfig -a|sed -e "/^ /d" -e "/^$/d"|awk '{print $1}'
	}

GetDeviceIP() {
	DEVICE=$1

	ifconfig $DEVICE|grep inet|cut -d":" -f 2 |awk '{print $1}'
	}

SelectNetDevices() {
	NumEntrys=0
	unset DIALOGCFG
	for i in `GetNetDevices`; do
		IP=`GetDeviceIP $i`
		DIALOGCFG=$DIALOGCFG" $i $IP false"
		(( NumEntrys = $NumEntrys + 1 ))
	done
	DIALOGCFG=$DIALOGCFG" Select Nameservice false"
	DIALOGCFG=$DIALOGCFG" Enter DefaultGateway false"
	DIALOGCFG=$DIALOGCFG" Exit Netsetup true"
	(( NumEntrys = $NumEntrys + 3 ))
	$DIALOGPRG --stdout --clear --title "Viitor Setup Programm" \
	--radiolist "Select Network Device" 0 0 $NumEntrys \
	$DIALOGCFG 
	}

GetDefaultGateway() {
	DEFROUTFILE=/etc/sysconfig/net/defaultrouter
	if [ "$INSTALLROOT" ]; then
		DEFROUTFILE=$INSTALLROOT/$DEFROUTFILE
	fi
	AKT_ROUTER=`/sbin/ip route list|grep default|awk '{print $3}'`
	GW=`$DIALOGPRG --stdout --title "ViitorLinux Network Setup" \
		   --inputbox "Specify your default gateway" 20 0 \
		   "$AKT_ROUTER"`
	if [ ! "$GW" ]; then
		if [ -f $DEFROUTFILE ]; then
			rm $DEFROUTFILE
		fi
	else
		echo $GW >$DEFROUTFILE
	fi
	}