#! /bin/sh
#
# etc/pcmcia/wlan-ng
#
# --------------------------------------------------------------------
#
# Linux WLAN 
#
#   The contents of this file are subject to the Mozilla Public
#   License Version 1.1 (the "License"); you may not use this file
#   except in compliance with the License. You may obtain a copy of
#   the License at http://www.mozilla.org/MPL/
#
#   Software distributed under the License is distributed on an "AS
#   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
#   implied. See the License for the specific language governing
#   rights and limitations under the License.
#
#   The initial developer of the original code is Mark S. Mathews
#   <mark@absoval.com>.  Portions created by Mark S. Mathews are 
#   Copyright (C) 1999 AbsoluteValue Software, Inc.  All Rights Reserved.
#
#   Alternatively, the contents of this file may be used under the
#   terms of the GNU Public License version 2 (the "GPL"), in which
#   case the provisions of the GPL are applicable instead of the
#   above.  If you wish to allow the use of your version of this file
#   only under the terms of the GPL and not to allow others to use
#   your version of this file under the MPL, indicate your decision
#   by deleting the provisions above and replace them with the notice
#   and other provisions required by the GPL.  If you do not delete
#   the provisions above, a recipient may use your version of this
#   file under either the MPL or the GPL.
#
# --------------------------------------------------------------------
#
# The initial author may be reached as mark@absoval.com, or 
# C/O AbsoluteValue Software Inc., P.O. Box 941149, 
# Maitland, FL, 32794-1149
#
# --------------------------------------------------------------------
#
# Portions of the development of this software were funded by 
# Intersil Corporation as part of PRISM(R) chipset product development.
#
# --------------------------------------------------------------------


. ./shared

. /etc/wlan/shared

set -x 

# Get device attributes
get_info $DEVICE
HWADDR=`/sbin/ifconfig $DEVICE | sed -n -e 's/.*addr \(.*\)/\1/p'`

# Load site-specific settings
ADDRESS="$SCHEME,$SOCKET,$INSTANCE,$HWADDR"
. $0.opts

WLANCTL=/sbin/wlanctl-ng

case "$ACTION" in

'start')
	#=======ENABLE========================================
	# Do we want to init the card at all?
	if ! is_true $WLAN_ENABLE ; then
		exit 0
	fi

	#=======DOWNLOAD======================================
	# If the card needs code/data downloaded, do it.
	if is_true $WLAN_DOWNLOAD; then
		if ! $WLAN_DOWNLOADER -r $WLAN_DLIMAGE $DEVICE ; then
			echo Code/Data Download Failed.
			exit 1
		fi
	fi

	#=======USER MIB SETTINGS=============================
	# Set the user specified MIB items.
	for i in $USER_MIBS ; do
		result=`$WLANCTL $DEVICE dot11req_mibset "mibattribute=$i"`
		if [ $? = 0 ] ; then
			eval $result
			if [ $resultcode != "success" ] ; then 
				echo "Failed to set user MIB $i."
				exit 1
			fi
		else
			echo "Failed to set user MIB $i."
			exit 1
		fi
	done

	#=======WEP===========================================
	# Setup privacy
	result=`$WLANCTL $DEVICE dot11req_mibget mibattribute=dot11PrivacyOptionImplemented`
	if [ $? = 0 ] ; then
		eval $result
		eval $mibattribute
	else
		echo "mibget failed."
		exit 1
	fi

	if [ $dot11PrivacyOptionImplemented = "false" -a \
	     $dot11PrivacyInvoked = "true" ] ; then
		echo "Cannot enable privacy, dot11PrivacyOptionImplemented=false."
		exit 1
	fi

	if [ $dot11PrivacyOptionImplemented = "true" -a \
	     $dot11PrivacyInvoked = "true" ] ; then
		$WLANCTL $DEVICE dot11req_mibset \
			mibattribute=dot11WEPDefaultKeyID=$dot11WEPDefaultKeyID
		$WLANCTL $DEVICE dot11req_mibset \
			mibattribute=dot11ExcludeUnencrypted=$dot11ExcludeUnencrypted
		$WLANCTL $DEVICE dot11req_mibset \
			mibattribute=dot11PrivacyInvoked=$dot11PrivacyInvoked
		if [ "a$PRIV_GENSTRa" != "aa" ] ; then
			keys=`$PRIV_GENERATOR $PRIV_GENSTR`
			knum=0
			for i in $keys ; do
				$WLANCTL $DEVICE dot11req_mibset \
				mibattribute=dot11WEPDefaultKey$knum=$i
				knum=$[$knum + 1]
			done
		else
			$WLANCTL $DEVICE dot11req_mibset \
			mibattribute=dot11WEPDefaultKey0=$dot11WEPDefaultKey0
			$WLANCTL $DEVICE dot11req_mibset \
			mibattribute=dot11WEPDefaultKey1=$dot11WEPDefaultKey1
			$WLANCTL $DEVICE dot11req_mibset \
			mibattribute=dot11WEPDefaultKey2=$dot11WEPDefaultKey2
			$WLANCTL $DEVICE dot11req_mibset \
			mibattribute=dot11WEPDefaultKey3=$dot11WEPDefaultKey3
		fi
	fi

	#=======MAC STARTUP=========================================
	if is_true $IS_AP ; then
		#=======AP STARTUP==================================
		startcmd="$WLANCTL $DEVICE dot11req_start "
		startcmd="$startcmd ssid=$APSSID"
		startcmd="$startcmd bsstype=infrastructure"
		startcmd="$startcmd beaconperiod=$APBCNINT" 
		startcmd="$startcmd dtimperiod=$APDTIMINT"
		startcmd="$startcmd cfpollable=$APCFPOLLABLE"
		startcmd="$startcmd cfpollreq=$APCFPOLLREQ"
		startcmd="$startcmd cfpperiod=$APCFPPERIOD"
		startcmd="$startcmd cfpmaxduration=$APCFPMAXDURATION"
		startcmd="$startcmd probedelay=$APPROBEDELAY"
		startcmd="$startcmd dschannel=$APCHANNEL"
		j=1
		for i in $APBASICRATES ; do
			startcmd="$startcmd basicrate$j=$i"
			j=$[j + 1]
		done
		j=1
		for i in $APOPRATES ; do
			startcmd="$startcmd operationalrate$j=$i"
			j=$[j + 1]
		done

		results=`$startcmd`	# Here's where it runs
		if [ $? = 0 ]; then 
			eval $results
			if [ $resultcode != "success" ] ; then 
				echo "AP not started, resultcode=$resultcode"
				exit 1
			else
				echo "WLAN AP mode started"
			fi
		else
			echo FAILED: $startcmd
			exit 1
		fi
		WLAN_SCHEMESSID="$APSSID"
	else
		#=======STA STARTUP==================================
		$WLANCTL $DEVICE dot11req_mibset \
				"mibattribute=dot11DesiredSSID=$dot11DesiredSSID"

		$WLANCTL $DEVICE dot11req_associate "listeninterval=0"
		WLAN_SCHEMESSID="$dot11DesiredSSID"
	fi

	# ==========PCMCIA NETDEVICE=============================
	# Append the SSID to the pcmcia scheme name
	wlan_set_ssid_schemefile "$WLAN_SCHEMESSID"

	# Call the normal network initialization
	./network $1 $2
	if [ ! $? ] ; then
		echo "/etc/pcmcia/network initialization failed."
		wlan_restore_schemefile
		exit 1
	fi

	# Restore scheme file to it's prior contents
	wlan_restore_schemefile

	# ==========AP BRIDGE====================================
	# For AP, initialize the bridge.  Do NOT put the wlan MAC in promisc 
	# mode.  NOTE: Physically ejecting either card while the bridge
	# is active commonly leaves a system unstable (or locked). Use
	# 'cardctl eject' on the wlan device prior to removal.
	if is_true $IS_AP ; then
		ifconfig $APBRIDGEDEVICE promisc
		ifconfig $DEVICE up
		brcfg start
	fi
	;;

'stop'|'check'|'cksum'|'restart'|'suspend'|'resume')

	# Just handle it the same as any other net device
	if is_true $IS_AP ; then
		brcfg stop
	fi

	./network $1 $2
	reval=$?

	#  nothing else for now...

	exit $retval
    ;;

*)
    usage
    ;;

esac

exit 0
