Attachment 55711 Details for Bug 130163

fixed ifup-wireless

ifup-wireless (text/plain), 18.80 KB, created by Joachim Gleissner on 2005-10-27 13:48:05 UTC

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Creator: Joachim Gleissner

Created: 2005-10-27 13:48:05 UTC

Size: 18.80 KB

patch

obsolete

>#! /bin/bash
>#
># Copyright (c) 2005 SUSE LINUX Products GmbH Nuernberg, Germany.
># All rights reserved.
>#
># This program is free software; you can redistribute it and/or modify it 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
>#
># Author: Joachim Gleissner <jg@suse.de>, 2005
>#
># $Id: ifup-wireless 1284 2005-09-09 10:34:11Z jg $
>#
>
>usage () {
>	echo $@
>	echo "usage: if{up,down,status}-wireless <config> [<interface>]  [-o <options>]"
>	echo "  In most cases config==interface, for details see man 8 ifup"
>	echo "options are: [on]boot : we are currently booting (or shutting down)"
>	echo "             hotplug  : we are handling a hotplug event"
>	echo "all other or wrong options are silently ignored"
>	exit $R_USAGE
>}
>
>######################################################################
># change the working direcory and source some common files
>#
>R_INTERNAL=1      # internal error, e.g. no config or missing scripts
>cd /etc/sysconfig/network || exit $R_INTERNAL
>test -f ./config && . ./config
>test -f scripts/functions && . scripts/functions || exit $R_INTERNAL
>
>######################################################################
># check arguments and how we are called (in case of links)
>#
>SCRIPTNAME=${0##*/}
>debug $*
>ACTION=${SCRIPTNAME#if}
>ACTION=${ACTION%%-wireless}
>case "${ACTION}" in
>    up|down|status) ;;
>    check) exit $R_SUCCESS ;;
>    *) usage
>esac
>INTERFACE=$1
>case "$INTERFACE" in ""|-h|*help*) usage; esac
>shift
>if [ -n "$1" -a "$1" != "-o" ] ; then
>	CONFIG=$INTERFACE
>	INTERFACE=$1
>fi
>shift
>test "$1" = "-o" && shift
>OPTIONS=$@
>MODE=manual
>while [ $# -gt 0 ]; do
>	case $1 in
>		boot|onboot) MODE=onboot ;;
>		hotplug)     MODE=hotplug ;;
>		quiet)       BE_QUIET=yes ;;
>		debug)       BE_QUIET=no
>		             DEBUG=yes ;;
>		*)           debug "unknown option $1 ignored" ;;
>	esac
>	shift
>done
>
>
>######################################################################
># check presence of global configuration file and source it
>#
>test -f ./wireless && . ./wireless
># ifcfg-* is more important and fragile then wireless
>if [ -f ./ifcfg-$CONFIG ] ; then
>   . ./ifcfg-$CONFIG
>elif [ "$ACTION" != down ] ; then
>   err_mesg "could not find configuration file ifcfg-$CONFIG"
>fi
>
>
>######################################################################
># get the interface and check if it is available and wireless
>#
>if ! is_iface_available  ${INTERFACE} ; then
>	test "$ACTION" != status && logerror "interface ${INTERFACE} is not available"
>	exit $R_NODEV
>fi
># $WIRELESS=yes/no can be set in a config file if there is no other way to
># find out. If it is empty we use the type we got from getcfg (HWD_INTERFACETYPE_0)
>if [ "$WIRELESS" != yes -a "$HWD_INTERFACETYPE_0" != wlan ]; then
>	info_mesg "$HWD_HWDESC is not wireless, exiting"
>	exit 0
>fi
>
>######################################################################
># helper functions
>#
>get_network_count()
>{
>    count=0
>    for i in `seq 1 9` ; do
>	W="`eval echo \\$WIRELESS_AUTH_MODE_$i`"
>	if [ -n "`eval echo $\"$W\"`" ]; then
>	    count=$((count+1))
>	fi
>    done
>    return $count
>}
>
>get_first_index()
>{
>    test -n "$WIRELESS_AUTH_MODE" && return 0
>    for i in 0 1 2 3 4 5 6 7 8 9 ; do
>	eval W="\$WIRELESS_AUTH_MODE_$i"
>	test -n "$W" && return $i
>    done
>    return 255
>}
>
>get_next_index()
>{
>    local i=$1
>    while [ $i -lt 9 ]; do
>	i=$((i+1))
>	eval W="\$WIRELESS_AUTH_MODE_$i"
>	test -n "$W" && return $i
>    done
>    return 255
>}
>
>need_wpa_supplicant()
>{
>    case "$WIRELESS_AUTH_MODE" in
>    wpa-*|WPA-*|psk|PSK|eap|EAP)
>	return 0
>    esac
>    # check whether we have more than one network configured
>    get_network_count
>    if [ $? -gt 1 ]; then
>	return 0
>    fi
>    return 1
>}
>
>applicable_wpa_supplicant()
>{
>    test "$WPA_DRIVER" = "unsupported" && return 1
>    case "$WIRELESS_ESSID" in
>	any|"") return 1;;
>    esac
>    case "$WIRELESS_MODE" in
>	Managed|managed|"") return 0;;
>    esac
>    return 1
>}
>
>
>
>######################################################################
># try to use wpa_supplicant if available
>#
>test -z "$PREFER_WPA_SUPPLICANT" && PREFER_WPA_SUPPLICANT=yes
>info_mesg "prefer wpa_supplicant: $PREFER_WPA_SUPPLICANT"
>
>######################################################################
># check for needed tools
>#
>for i in iwconfig wlanctl-ng hexdump sed awk ; do
>if [ -z "`type -p $i`" ] ; then
>    err_mesg "cannot find '$i', please install"
>    exit $R_ERROR
>fi
>done
>
>if [ -z "`type -p wpa_supplicant`" ]; then
>    if need_wpa_supplicant ; then
>	err_mesg "cannot find '$i', please install"
>	exit $R_ERROR
>    fi
>    PREFER_WPA_SUPPLICANT=no
>fi
>
>run_iw_tool() {
>	local COMMAND MESSAGE
>	RETVAL=$R_SUCCESS
>	test -z "$3" && return
>	info_mesg "run_iw_tool()" "$@"
>	case $1 in 
>		config|spy|priv) IWTOOL=iw${1} ;;
>		*) exit $R_INTERNAL ;;
>	esac
>	shift
>	MESSAGE=`$IWTOOL $INTERFACE "$@" 2>&1` || RETVAL=$?
>	test -z "$MESSAGE" && return
>	err_mesg "command '$IWTOOL $INTERFACE $*' returned\n $MESSAGE"
>}
>
>RETVAL=$R_SUCCESS
>
>wlanctl()
>{
>	local MESSAGE
>	test -z "$1" && return
>	info_mesg "running wlanctl-ng $INTERFACE $@"
>	MESSAGE=`wlanctl-ng $INTERFACE "$@" 2>&1` || RETVAL=$?
>	info_mesg $MESSAGE
>}
>
>ascii_to_hex()
>{
>	if [ -z "${1:7:1}" ]; then
>		echo -n ${1#s:*} | hexdump -e '5/1 "%2x"' | sed -e 's/ /0/g'
>	elif [ -z "${1:15:1}" ]; then
>		echo -n ${1#s:*} | hexdump -e '13/1 "%2x"' | sed -e 's/ /0/g'
>	elif [ -z "${1:18:1}" ]; then
>		echo -n ${1#s:*} | hexdump -e '16/1 "%2x"' | sed -e 's/ /0/g'
>	elif [ -z "${1:21:1}" ]; then
>		echo -n ${1#s:*} | hexdump -e '19/1 "%2x"' | sed -e 's/ /0/g'
>	elif [ -z "${1:31:1}" ]; then
>		echo -n ${1#s:*} | hexdump -e '29/1 "%2x"' | sed -e 's/ /0/g'
>	else
>		err_mesg "Unsupported WEP key length"
>		exit $R_ERROR
>	fi
>}
>
>generate_keys()
>{
>	test -z "$WIRELESS_KEY_0" && WIRELESS_KEY_0="$WIRELESS_KEY"
>	if [ -z "$WIRELESS_KEY_0" -a  \
>		 -z "$WIRELESS_KEY_1" -a \
>		 -z "$WIRELESS_KEY_2" -a \
>		 -z "$WIRELESS_KEY_3" -a \
>	         "$WIRELESS_AUTH_MODE" != "psk" -a \
>	         "$WIRELESS_AUTH_MODE" != "wpa-psk" ]; then
>		message "`printf "    %-9s warning: using NO encryption" $INTERFACE`"
>		# message "warning: using NO encryption"
>		ENCRYPTION=no
>		return
>	fi
>	for i in 0 1 2 3 ; do
>		eval K=\$WIRELESS_KEY_$i
>		eval WIRELESS_KEY_$i="$(print_key "$K" $WIRELESS_KEY_LENGTH)"
>	done
>	ENCRYPTION=yes
>}
>
>format_key()
>{
>	# key has usually format XXXX-XXXX-XX [...]
>	echo $1 | tr -d '-' | awk '{ KEY=$0 ;
>		if (length()>10) for (i=0;i<26-length();i++) KEY=KEY"0"
>		for (i=1;i<length(KEY)-1;i+=2) FKEY=FKEY substr(KEY, i, 2)":"
>		FKEY=FKEY substr(KEY, i, 2)
>		print FKEY }' 
>}
>
>setup_iwdev()
>{
>	# Mode need to be first : some settings apply only in a specific mode !
>	run_iw_tool config mode $WIRELESS_MODE
>	# This is a bit hackish, but should do the job right...
>	if [ -n "$WIRELESS_ESSID" -o -n "$WIRELESS_MODE" ] ; then
>		test -z "$WIRELESS_NICK" && WIRELESS_NICK=`/bin/hostname`
>	fi
>	# Regular stuff...
>	while read OPT ARG; do
>		run_iw_tool config $OPT "$ARG"
>	done <<-EOL
>		nick $WIRELESS_NICK
>		nwid $WIRELESS_NWID
>		freq $WIRELESS_FREQ
>		channel $WIRELESS_CHANNEL
>		sens $WIRELESS_SENS
>		rate $WIRELESS_RATE
>		rts $WIRELESS_RTS
>		frag $WIRELESS_FRAG
>		$WIRELESS_IWCONFIG_OPTIONS
>		EOL
>	# set encryption key(s)
>	run_iw_tool config key off
>	# special hack for madwifi
>	test "$HWD_DRIVER" = "madwifi" && run_iw_tool priv authmode 1
>	if [ -z "$WIRELESS_SEC_MODE" ]; then
>		case "$WIRELESS_AUTH_MODE" in
>		shared|sharedkey|restricted)
>			WIRELESS_SEC_MODE="restricted"
>			# special hack for madwifi
>			test "$HWD_DRIVER" = "madwifi" && run_iw_tool priv authmode 2
>			;;
>		open|opensystem|"") WIRELESS_SEC_MODE="open";;
>		esac
>	fi
>	if [ -n "$WIRELESS_KEY_0" -a \
>	     -z "$WIRELESS_KEY_1" -a \
>	     -z "$WIRELESS_KEY_2" -a \
>	     -z "$WIRELESS_KEY_3" ]; then
>		# some drivers (at least madwifi) do not like multiple keys
>		# so we do not use that setting method when we have only one
>		run_iw_tool config key $WIRELESS_SEC_MODE $WIRELESS_KEY_0
>	elif [ -n "$WIRELESS_KEY_0" ]; then
>		ARG="key $WIRELESS_SEC_MODE $WIRELESS_KEY_0 [1]"
>		for i in 1 2 3 ; do 
>			eval K=\$WIRELESS_KEY_$i
>			test -n "$K" && ARG="$ARG key $K [$((i+1))]"
>		done
>		run_iw_tool config $ARG
>		if [ $RETVAL -ne 0 ]; then
>			err_mesg "setting encryption key FAILED, aborting interface setup"
>			exit $R_ERROR
>		fi
>		test -z "$WIRELESS_DEFAULT_KEY" && WIRELESS_DEFAULT_KEY=0
>		run_iw_tool config key [$((WIRELESS_DEFAULT_KEY+1))]
>	fi
>	run_iw_tool spy $WIRELESS_IWSPY_OPTIONS
>	run_iw_tool priv $WIRELESS_IWPRIV_OPTIONS
>	# ESSID need to be last : most device re-perform the scanning/discovery
>	# when this is set, and things like encryption keys are better be
>	# defined if we want to discover the right set of APs/nodes.
>	test -z "$WIRELESS_ESSID" && WIRELESS_ESSID="any"
>	run_iw_tool config essid "$WIRELESS_ESSID"
>}
>
>setup_wlanngdev()
>{
>	wlanctl dot11req_reset setdefaultmib=false
>	test "$WIRELESS_ESSID" = "any"	&& WIRELESS_ESSID=""
>	if [ "$ENCRYPTION" = "no" ]; then
>		wlanctl dot11req_mibset mibattribute=dot11PrivacyInvoked=false
>		wlanctl dot11req_mibset mibattribute=dot11ExcludeUnencrypted=false
>		AUTHTYPE=opensystem
>	else
>		result=`wlanctl-ng $INTERFACE dot11req_mibget mibattribute=dot11PrivacyOptionImplemented`
>		if [ $? = 0 ] ; then
>			eval $result
>			eval $mibattribute
>		else
>			err_mesg "Could not query device: $result"
>			exit $R_ERROR
>		fi
>		if [ "$dot11PrivacyOptionImplemented" = "false" ]; then
>			err_mesg "Could not set encryption, device does not support it"
>			exit $R_ERROR
>		fi
>		wlanctl dot11req_mibset mibattribute=dot11PrivacyInvoked=true
>		test -z "$WIRELESS_DEFAULT_KEY" && WIRELESS_DEFAULT_KEY=0
>		wlanctl dot11req_mibset mibattribute=dot11WEPDefaultKeyID=$WIRELESS_DEFAULT_KEY
>		for i in 0 1 2 3 ; do
>			eval K=\$WIRELESS_KEY_$i
>			if [ -n "$K" ]; then
>				wlanctl dot11req_mibset mibattribute=dot11WEPDefaultKey$i=$( format_key $K )
>				test $RETVAL -ne 0 && 
>					{ err_mesg "Setting encryption key failed, aborting interface setup" ;
>					  exit $R_ERROR ; }
>			fi
>		done
>		case "$WIRELESS_AUTH_MODE" in
>			shared|sharedkey|restricted) 
>			wlanctl dot11req_mibset mibattribute=dot11ExcludeUnencrypted=true
>			AUTHTYPE=sharedkey
>			;;
>			open|opensystem|"")
>			wlanctl dot11req_mibset mibattribute=dot11ExcludeUnencrypted=false
>			AUTHTYPE=opensystem
>			;;
>		esac
>	fi
>	case "$WIRELESS_MODE" in
>		[M,m]anaged)
>		wlanctl lnxreq_autojoin ssid="$WIRELESS_ESSID" authtype=$AUTHTYPE
>		;;
>		[A,a]d-hoc)
>		test -z "$WIRELESS_ESSID" && WIRELESS_ESSID="linux"
>		test -z "$WIRLEESS_CHANNEL" && WIRELESS_CHANNEL=7
>		wlanctl dot11req_start \
>				ssid=$WIRELESS_ESSID \
>				bsstype=independent \
>				beaconperiod=100 \
>				dtimperiod=3 \
>				cfpollable=false \
>				cfpollreq=false \
>				cfpperiod=3 \
>				cfpmaxduration=100 \
>				probedelay=100 \
>				dschannel=$WIRELESS_CHANNEL \
>				basicrate1=2 \
>				basicrate2=4 \
>				operationalrate1=2 \
>				operationalrate2=4 \
>				operationalrate3=11 \
>				operationalrate4=22
>		;;
>		[M,m]aster|[R,r]epeater|[S,s]econdary)
>		err_mesg "Mode $WIRELESS_MODE is not supported yet for wlanng devices"
>		exit $R_ERROR
>		;;
>	esac
>}
>
>old_setup()
>{
>    info_mesg "warning: debug mode logs your encryption keys!"
>    generate_keys
>    if [ -z "$WIRELESS_MODE" ]; then
>	info_mesg "WIRELESS_MODE is unset, using Managed"
>	WIRELESS_MODE="Managed"
>    fi
>    # hack for rtl8180 (seems to have extensions like wlan-ng,
>    # but does not work)
>    if [ "$HWD_DRIVER" = "rtl8180" ]; then
>	setup_iwdev
>	return
>    fi
>    # probe for (and enable) wlan-ng devices
>    wlanctl-ng $INTERFACE lnxreq_ifstate ifstate=enable >/dev/null 2>&1
>    if [ $? -eq 0 ]; then
>	setup_wlanngdev
>    else
>	setup_iwdev
>    fi
>}
>
>print_key()
>{
>    test -z "$1" && return
>    K="$1"
>    L="$2"
>    test -z "$2" && L=104
>    if [ -n "$K" ]; then
>	if [ ${K:0:1} = "s" ]; then
>	# we are using ascii key representation (iwconfig method)
>	echo "$(ascii_to_hex "$K")"
>	elif [ ${K:0:1} = "h" ]; then
>	    case $L in
>	    40|64)
>		echo "$(lwepgen "${K:2}" | head -n 1 | tr -d ':')"
>	        ;;
>	    104|128)
>		echo "$(lwepgen -s "${K:2}" | head -n 1 | tr -d ':')"
>		;;
>	    *)
>	        err_mesg "Unsupported key length $L in hash mode"
>		exit $R_ERROR
>		;;
>	    esac
>	else
>	    echo "${K//[:-]/}"
>	fi
>    fi
>}
>
>
>######################################################################
># helper to print a line of the wpa_supplicant.conf network block
># format print_network_line tag value suffix [default_value]
>print_network_line()
>{
>    TAG="$1"
>    eval VALUE="\$$2$3"
>    test -z "$VALUE" && VALUE="$4"
>    test -n "$VALUE" && echo "  $TAG=\"$VALUE\""
>}
>
>print_network_line_unquoted()
>{
>    TAG="$1"
>    eval VALUE="\$$2$3"
>    test -z "$VALUE" && VALUE="$4"
>    test -n "$VALUE" && echo "  $TAG=$VALUE"
>}
>
>print_network_block()
>{
>    SUFFIX="_$1"
>    # special case for index 0 (may go away in the future)
>    test "$1" = "0"  && SUFFIX=""
>    echo "network={"
>    if [ "`eval echo \\$WIRELESS_HIDDEN_SSID$SUFFIX`" = "no" ]; then
>	echo "  scan_ssid=0"
>    else
>	echo "  scan_ssid=1"
>    fi
>    print_network_line ssid WIRELESS_ESSID "$SUFFIX"
>    print_network_line_unquoted priority WIRELESS_PRIORITY "$SUFFIX"
>    case "`eval echo \\$WIRELESS_AUTH_MODE$SUFFIX`" in
>    open)
>	echo "  key_mgmt=NONE"
>	for i in 0 1 2 3 ; do
>	    KEY="`eval print_key \\"\\$WIRELESS_KEY_$i$SUFFIX\\" \\$WIRELESS_KEY_LENGTH$SUFFIX`"
>	    test -n "$KEY" && echo "  wep_key$i=$KEY"
>	done
>	print_network_line_unquoted wep_tx_keyidx WIRELESS_DEFAULT_KEY "$SUFFIX"
>	;;
>    shared|sharedkey)
>	echo "  key_mgmt=NONE"
>	for i in 0 1 2 3 ; do
>	    KEY="`eval print_key \\"\\$WIRELESS_KEY_$i$SUFFIX\\" \\$WIRELESS_KEY_LENGTH$SUFFIX`"
>	    test -n "$KEY" && echo "  wep_key$i=$KEY"
>	done
>	print_network_line_unquoted wep_tx_keyidx WIRELESS_DEFAULT_KEY "$SUFFIX"
>	echo "  auth_alg=SHARED"
>	;;
>    *psk|*PSK)
>	echo "  key_mgmt=WPA-PSK"
>	eval L=\$WIRELESS_WPA_PSK$SUFFIX
>        if [ ${#L} = 64 ]; then
>	    echo "  psk=$L"
>        else
>	    echo "  psk=\"$L\""
>        fi
>	;;
>     eap|EAP|wpa-eap|WPA-EAP)
>	# writing a config that tries to match everything
>	# FIXME: may be not optimal
>	echo "  key_mgmt=WPA-EAP"
>	echo "  eap=TTLS PEAP TLS"
>	print_network_line identity WIRELESS_WPA_IDENTITY "$SUFFIX"
>	print_network_line password WIRELESS_WPA_PASSWORD "$SUFFIX"
>	print_network_line anonymous_identity WIRELESS_WPA_ANONID "$SUFFIX" anonymous
>	print_network_line ca_cert WIRELESS_CA_CERT "$SUFFIX"
>	print_network_line client_cert WIRELESS_CLIENT_CERT "$SUFFIX"
>	print_network_line private_key WIRELESS_WPA_PRIVATE_KEY "$SUFFIX"
>	print_network_line private_key_password WIRELESS_WPA_PRIVATE_KEY_PASSWORD "$SUFFIX"
>	echo "  phase1=\"peaplabel=0\""
>	;;
>    esac	
>    echo "}"
>}
>    
>print_wpa_conf()
>{
>    # header
>    echo "ctrl_interface=/var/run/wpa_supplicant"
>    test -n "$WIRELESS_AP_SCANMODE" && echo "ap_scan=$WIRELESS_AP_SCANMODE"
>
>    get_first_index
>    local index=$?
>
>    while [ $index -ne 255 ]; do
>	print_network_block $index
>	get_next_index $index
>	index=$?
>    done
>}
>
>start_wpa_supplicant()
>{
>    if [ -e /var/run/wpa_supplicant-$INTERFACE.conf ]; then
>        if [ -f /var/run/wpa_supplicant/${INTERFACE}.pid ]; then
>            pid=$( cat /var/run/wpa_supplicant/${INTERFACE}.pid)
>        else
>            pid=$(pgrep -f ".*wpa_supplicant-$INTERFACE.conf.*")
>        fi
>        wpa_dead=y
>        if [ -n "$pid" ]; then
>            kill -0 $pid && wpa_dead=n
>        fi
>        case "$wpa_dead" in
>            y)
>                info_mesg "Stale wpa_supplicant-$INTERFACE.conf found, removing"
>                rm -f /var/run/wpa_supplicant-$INTERFACE.conf
>                ;;
>            n)
>                message "`printf "    %-9s warning: wpa_supplicant already running on interface" $INTERFACE`"
>                return
>                ;;
>        esac
>    fi
>    if [ -n "$WIRELESS_WPA_CONF" ]; then
>        if [ -e "$WIRELESS_WPA_CONF" ]; then
>            WPA_SUPP_CONF="$WIRELESS_WPA_CONF"
>        else
>            err_mesg "Unable to setup wpa (could not open $WIRELESS_WPA_CONF)"
>            exit $R_ERROR
>        fi
>    else
>        WPA_SUPP_CONF="/var/run/wpa_supplicant-$INTERFACE.conf"
>	umask 0077
>        print_wpa_conf > $WPA_SUPP_CONF
>    fi
>    if [ "$DEBUG" = "yes" ]; then
>        SUPPARGS="-P/var/run/wpa_supplicant/${INTERFACE}.pid -d 2>&1 | logger &"
>    else
>        SUPPARGS="-P/var/run/wpa_supplicant/${INTERFACE}.pid -B"
>    fi
>    mkdir -p /var/run/wpa_supplicant
>    message "`printf "    %-9s starting wpa_supplicant" $INTERFACE`"
>    eval wpa_supplicant -i$INTERFACE -c$WPA_SUPP_CONF -D$WPA_DRIVER $SUPPARGS
>}
>
>kill_wpa_supplicant()
>{
>    if [ -f /var/run/wpa_supplicant/${INTERFACE}.pid ]; then
>        pid=$( cat /var/run/wpa_supplicant/${INTERFACE}.pid)
>    else
>        pid=$(pgrep -f ".*wpa_supplicant-$INTERFACE.conf.*")
>    fi
>    if [ -z "$pid" ]; then
>        info_mesg "No wpa_supplicant running on interface $INTERFACE"
>        return
>    fi
>    kill $pid
>    rm -f /var/run/wpa_supplicant-$INTERFACE.conf
>}
>
>show_status()
>{
>    if [ -f /var/run/wpa_supplicant/${INTERFACE}.pid ]; then
>	wpa_cli -i$INTERFACE status
>    else
>	iwconfig $INTERFACE
>    fi
>}
>
>case $ACTION in
>	up)
>        case "${HWD_DRIVER}" in
>            ath_pci)
>                WPA_DRIVER=madwifi
>                ;;
>            at76c5*)
>                WPA_DRIVER=atmel
>		PREFER_WPA_SUPPLICANT=no
>                ;;
>            prism54)
>                WPA_DRIVER=prism54
>                ;;
>            ipw2200|hostap_*)
>                WPA_DRIVER=wext
>                ;;
>            ipw2100)
>                WPA_DRIVER=wext
>		test -z "$WIRELESS_AP_SCANMODE" && WIRELESS_AP_SCANMODE="2"
>                ;;
>            ndiswrapper|*.sys)
>                WPA_DRIVER=ndiswrapper
>		PREFER_WPA_SUPPLICANT=no
>                ;;
>            *)
>                WPA_DRIVER=unsupported
>		PREFER_WPA_SUPPLICANT=no
>                ;;
>	esac
>	if need_wpa_supplicant ; then
>	    info_mesg "configuration requires wpa_supplicant"
>	    if [ "$WPA_DRIVER" = "unsupported" ]; then
>		message "`printf "    %-9s warning: WPA configured but may be unsupported" $INTERFACE`"
>		message "`printf "    %-9s warning: by this device" $INTERFACE`"
>		info_mesg "using WPA driver 'wext' for interface $INTERFACE"
>		WPA_DRIVER=wext
>	    fi
>	    start_wpa_supplicant
>	elif [ "$PREFER_WPA_SUPPLICANT" = "yes" ]; then
>	    if applicable_wpa_supplicant ; then
>		start_wpa_supplicant
>	    else
>		info_mesg "setting up $INTERFACE w/o wpa_supplicant"
>		old_setup
>	    fi
>	else
>	    old_setup
>	fi
>	;;
>	down)
>	kill_wpa_supplicant
>	;;
>	status)
>	if is_iface_up $INTERFACE ; then
>	    # do not show status output on boot, this may log
>	    # the WEP key in the boot log
>	    test "$MODE" = "onboot" || show_status
>	    RETVAL=$R_SUCCESS
>	else
>	    RETVAL=$R_NOTRUNNING
>	fi
>	;;
>esac
>
>exit $RETVAL

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Attachments on bug 130163: 55711