#!/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: /export/Data/cvs/Viitor_wireless/etc/init.d/wireless,v $
#
#(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:wlan_setup
#Setup eines WLAN Interfaces per accesspoint config files in
#/etc/sysconfig/wlan/<apname>
#
#Letzte Änderung von: $Author$
#Datum der letzten Änderung: $Date$
#Version der Datei: $Revision$
#
#$Log: wireless,v $
#Revision 1.1.1.1  2004/12/05 13:10:59  kueller
#New Package wireless
#
#
source /etc/init.d/functions

if [ ! -f /var/state/ldap_disable ]; then
	touch /var/state/ldap_disable
fi

if [ ! -d /var/run/shutdown ]; then
	mkdir -p /var/run/shutdown
fi
NSSWITCH=/etc/nsswitch.conf
DEV=$1
if [ ! "$DEV" ]; then
	echo "usage: $0 <WireLessLanDevice>"
	exit 1
fi
/sbin/ifconfig $DEV up
if [ ! -d /sys/class/net/$DEV/wireless ]; then
	echo "No Wireless Device"
	exit 2
fi
for AP in `iwlist $DEV scan 2>/dev/null|\
	   grep ESSID|\
	   cut -d":" -f 2-`; do
  AP=`echo $AP|sed -e "s/\"//g"`
  if [ -f /etc/sysconfig/wlan/$AP ]; then
    echo -n "Binding Wireless Network to AP $AP"
    $DEBUG iwconfig $DEV essid $AP
    evaluate_retval
    sed -e "/^#/d" /etc/sysconfig/wlan/$AP | \
    sed -e "/^ *$/d" >/tmp/AP
    exec 3</tmp/AP
    read <&3 OPTION ARG1 ARG2
    while [ $OPTION ]; do
      case $OPTION in
        WPA2|WPA)
	   wpa_supplicant -i ${DEV} -D ${ARG1} -c /etc/sysconfig/wpa_supplicant/${AP} -B
	   ;;
        KEY)
           echo -n "Configuring Wireless Interface KEY"
           $DEBUG iwconfig $DEV key $ARG1 $ARG2
           ;;
        TXPOWER)
           echo -n "Configuring txpower to $ARG1"
           $DEBUG iwconfig $DEV txpower $ARG1
           ;;
	YP)
		if [ -f /var/run/shutdown/wlan_nis ]; then
			echo "No Clean Shutdown, cleaning up"
			if [ -f /etc/sysconfig/nis/defaultdomain.wlan ]; then
				mv /etc/sysconfig/nis/defaultdomain.wlan \
			   	/etc/sysconfig/nis/defaultdomain
			elif [ -f /etc/sysconfig/nis/defaultdomain ]; then
				rm /etc/sysconfig/nis/defaultdomain
			fi
			if [ -f /etc/yp.conf.wlan ]; then
				mv /etc/yp.conf.wlan /etc/yp.conf
			elif [ -f /etc/yp.conf ]; then
				rm /etc/yp.conf
			fi
		fi
   		touch /var/run/shutdown/wlan_nis
		if [ "$ARG1" ]; then
			if [ -f /etc/sysconfig/nis/defaultdomain ]; then
				mv /etc/sysconfig/nis/defaultdomain{,.wlan}
			fi
			echo "$ARG1" >/etc/sysconfig/nis/defaultdomain
		fi
		if [ "$ARG2" ]; then
			if [ -f /etc/yp.conf ]; then
				mv /etc/yp.conf{,.wlan}
			fi
			echo "domain $ARG1 server $ARG2" >/etc/yp.conf
		fi
		NISSTR="nis"
		;;
	LDAP)
	   export USE_LDAP=1
	   LDAPSTR="ldap"
	   rm /var/state/ldap_disable
	   ;;
	DNS)
	   if [ -f /var/run/shutdown/wlan_dns ]; then
	   	echo "No Clean Shutdown, cleaning up"
		if [ -f /etc/resolv.conf.wlan ]; then
			mv /etc/resolv.conf.wlan /etc/resolv.conf
		fi
	   fi
	   touch /var/run/shutdown/wlan_dns
	   if [ -f /etc/resolv.conf ]; then
		mv /etc/resolv.conf{,.wlan}
	   fi
	   echo "#Resolv.conf generatet by wlan_setup" >/etc/resolv.conf
	   echo "nameserver $ARG1" >>/etc/resolv.conf
	   ;;
	VTUN)
	   echo "Starting vtun client"
	   /etc/init.d/vtund start
	   ;;
      esac
      read <&3 OPTION ARG1 ARG2
    done
    exec 3>&-
    ifconfig $DEV down
    ifconfig $DEV up
    rm /tmp/AP
  fi
done
FILESTR="files"
echo "passwd:		$FILESTR $LDAPSTR $NISSTR" >$NSSWITCH
echo "group:		$FILESTR $LDAPSTR $NISSTR" >>$NSSWITCH
echo "shadow:		$FILESTR $LDAPSTR" >>$NSSWITCH
echo "publickkey:	$FILESTR" >>$NSSWITCH
echo "hosts:		dns $FILESTR $LDAPSTR $NISSTR" >>$NSSWITCH
echo "networks:		$FILESTR $NISSTR" >>$NSSWITCH
echo "protocols:	db $NISSTR $FILESTR" >>$NSSWITCH
echo "services:		db $NISSTR $FILESTR" >>$NSSWITCH
echo "rpc:		db $NISSTR $FILESTR" >>$NSSWITCH
echo "ethers:		db $NISSTR $FILESTR" >>$NSSWITCH
echo "netmasks:		$FILESTR $NISSTR" >>$NSSWITCH
echo "netgroup:		$FILESTR $NISSTR" >>$NSSWITCH
echo "bootparams:	$FILESTR" >>$NSSWITCH
echo "automount:	$FILESTR $NISSTR" >>$NSSWITCH
echo "aliases:		$FILESTR" >>$NSSWITCH
touch /var/run/nsswitch_done