Re: Is there an easy way to bring my wifi card at boot / init 3?[Scanned]

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Chris Bradford wrote:

Todd Zullinger wrote:

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Chris Bradford wrote:

Can you forward me details on how you edited these scripts to call
wpa supplicant?


Sure. Here's a diff and a brief explanation.

diff -ur network-scripts~/ifdown-eth network-scripts/ifdown-eth
- --- network-scripts~/ifdown-eth 2006-06-30 16:02:42.000000000 -0400
+++ network-scripts/ifdown-eth 2006-07-10 12:27:46.000000000 -0400
@@ -105,6 +105,11 @@
/sbin/iwconfig ${DEVICE} enc 0>/dev/null 2>&1
fi

+# do devicetype specific shutdown stuff
+if [ -x "/etc/sysconfig/network-scripts/ifdown-${TYPE}" ]; then
+ /etc/sysconfig/network-scripts/ifdown-${TYPE} ${CONFIG}
+fi
+
if [ "$retcode" = 0 ] ; then
/etc/sysconfig/network-scripts/ifdown-post $CONFIG
# do NOT use $? because ifdown should return whether or not
diff -ur network-scripts~/ifdown-wireless network-scripts/ifdown-wireless - --- network-scripts~/ifdown-wireless 2006-08-16 08:36:57.000000000 -0400 
+++ network-scripts/ifdown-wireless 2006-07-05 19:43:27.000000000 -0400
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+. /etc/sysconfig/network
+
+cd /etc/sysconfig/network-scripts
+. network-functions
+
+CONFIG=$1
+[ -f "$CONFIG" ] || CONFIG=ifcfg-$CONFIG
+source_config
+
+# disable the radio
+if [ "$RADIOCTRL" == "yes" ]; then
+ iwconfig $DEVICE txpower off
+fi
+
+if [ "$WPA" = "yes" -a -x /usr/sbin/wpa_supplicant ]; then
+ killall wpa_supplicant
+fi
diff -ur network-scripts~/ifup-wireless network-scripts/ifup-wireless
- --- network-scripts~/ifup-wireless 2005-09-30 14:51:15.000000000 -0400
+++ network-scripts/ifup-wireless 2006-07-04 12:42:39.000000000 -0400
@@ -88,6 +88,12 @@
iwpriv $DEVICE $IWPRIV
fi

+# enable the radio
+if [ "$RADIOCTRL" == "yes" ]; then
+ iwconfig $DEVICE txpower on
+ sleep 2
+fi
+
# 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.
@@ -97,3 +103,11 @@
# use any essid
iwconfig $DEVICE essid any>/dev/null 2>&1
fi
+
+# use wpa_supplicant for connecting to WPA enabled APs
+WPA_SUPPLICANT=/usr/sbin/wpa_supplicant
+WPA_SUPPCONFIG=/etc/wpa_supplicant/wpa_supplicant.conf
+if [ "$WPA" = "yes" -a -n "$WPADRIVER" -a -x $WPA_SUPPLICANT ]; then
+ $WPA_SUPPLICANT -Bw -c$WPA_SUPPCONFIG -i$DEVICE -D$WPADRIVER
+fi
+

I added the WPA and WPADRIVER variables to my ifcfg script (eth1 in my
case) and created a proper wpa_supplicant config file. A basic config
looks something like this:
# allow frontend (e.g., wpa_cli) to be used by all users in 'wheel' group 
ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=wheel
#ap_scan=2
#
# home network
network={
ssid="YOURNET"
scan_ssid=1
key_mgmt=WPA-PSK
pairwise=TKIP
group=TKIP
psk="super-secret-passphrase"
}

I had created the ifcfg-eth1 file using system-config-network while
trying to see if it would support wpa, so all I had to do was tweak a
few things by hand afterward.

HTH,

- -- Todd OpenPGP -> KeyID: 0xBEAF0CE3 | URL: www.pobox.com/~tmz/pgp
======================================================================
I've had a perfectly wonderful evening. But this wasn't it.
-- Groucho Marx

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OK this is strange I don't have an ifdown-wireless script.
I've added the lines from the first step into ifdown-eth, went to do the next step and found this file does not exist, despite there being an ifup-wireless script. 

An ls -l of /etc/sysconfig/network-scripts/ gives:

-rw-r--r-- 3 root root 182 Aug 11 19:40 ifcfg-eth0
-rw-r--r-- 3 root root 350 Aug 11 19:40 ifcfg-eth1
-rw-r--r-- 1 root root 254 Jun 20 2001 ifcfg-lo
lrwxrwxrwx 1 root root 20 Jul 30 17:42 ifdown -> ../../../sbin/ifdown
-rwxr-xr-x 1 root root 1552 Feb 10 2006 ifdown-aliases
-rwxr-xr-x 1 root root 623 Jan 19 2005 ifdown-bnep
-rwxr-xr-x 1 root root 4127 Aug 16 21:02 ifdown-eth
-rwxr-xr-x 1 root root 4127 Aug 16 21:02 ifdown-eth~
-rwxr-xr-x 1 root root 827 Apr 15 2005 ifdown-ippp
-rwxr-xr-x 1 root root 1769 Mar 28 2005 ifdown-ipsec
-rwxr-xr-x 1 root root 4352 Sep 10 2004 ifdown-ipv6
lrwxrwxrwx 1 root root 11 Jul 30 17:42 ifdown-isdn -> ifdown-ippp
-rwxr-xr-x 1 root root 1235 Feb 1 2005 ifdown-post
-rwxr-xr-x 1 root root 1082 Sep 15 2003 ifdown-ppp
-rwxr-xr-x 1 root root 1568 Nov 12 2002 ifdown-sit
-rwxr-xr-x 1 root root 902 Jun 26 2002 ifdown-sl
lrwxrwxrwx 1 root root 18 Jul 30 17:42 ifup -> ../../../sbin/ifup
-rwxr-xr-x 1 root root 13342 Feb 10 2006 ifup-aliases
-rwxr-xr-x 1 root root 857 Feb 15 16:07 ifup-bnep
-rwxr-xr-x 1 root root 9938 Feb 28 23:43 ifup-eth
-rwxr-xr-x 1 root root 11900 Sep 26 2005 ifup-ippp
-rwxr-xr-x 1 root root 8077 Mar 30 2005 ifup-ipsec
-rwxr-xr-x 1 root root 10466 Oct 17 2004 ifup-ipv6
-rwxr-xr-x 1 root root 821 Jun 26 2002 ifup-ipx
lrwxrwxrwx 1 root root 9 Jul 30 17:42 ifup-isdn -> ifup-ippp
-rwxr-xr-x 1 root root 689 Jun 26 2002 ifup-plip
-rwxr-xr-x 1 root root 926 Jun 26 2002 ifup-plusb
-rwxr-xr-x 1 root root 2234 Apr 15 2005 ifup-post
-rwxr-xr-x 1 root root 4219 Apr 25 2005 ifup-ppp
-rwxr-xr-x 1 root root 1316 Oct 3 2005 ifup-routes
-rwxr-xr-x 1 root root 3546 Oct 17 2004 ifup-sit
-rwxr-xr-x 1 root root 1646 Jun 26 2002 ifup-sl
-rwxr-xr-x 1 root root 3325 Sep 30 2005 ifup-wireless
-rwxr-xr-x 1 root root 5432 Jan 12 2005 init.ipv6-global
-rw------- 3 root root 23 Aug 11 19:40 keys-eth1
-rwxr-xr-x 1 root root 1154 Feb 6 2006 net.hotplug
-rw-r--r-- 1 root root 9866 Feb 28 23:49 network-functions
-rw-r--r-- 1 root root 38496 Apr 15 2005 network-functions-ipv6

Any ideas?

Many thanks,

-Chris
This message has been scanned for viruses by BlackSpider MailControl - www.blackspider.com 


OK looking at this further I reckon there never was a file ifdown-wireless.
Therefore I created it and proceeded with the rest of the config. However my card still will not connect on startup. I have attached the config files for anyone to look at maybe you can see where I am going wrong! 

The wifi interface is eth1.

Many thanks,

Chris

ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=wheel

network={
	ssid="linksys"
	scan_ssid=1
	key_mgmt=WPA-PSK
	pairwise=TKIP
	group=TKIP
	psk="uber-key"
}


#!/bin/bash
# Network Interface Configuration System
# Copyright (c) 1996-2005 Red Hat, Inc. all rights reserved.
#
# This software may be freely redistributed under the terms of the GNU
# public license.
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.

. /etc/init.d/functions

cd /etc/sysconfig/network-scripts
. network-functions

[ -f ../network ] && . ../network

CONFIG=${1}

need_config ${CONFIG}

source_config

# Old BOOTP variable
if [ "${BOOTP}" = "yes" ]; then
    BOOTPROTO=bootp
fi

if [ "${BOOTPROTO}" = "bootp" -o "${BOOTPROTO}" = "dhcp" ]; then
    DYNCONFIG=true
fi

# load the module associated with that device
# /sbin/modprobe ${REALDEVICE}
is_available ${REALDEVICE}

# remap, if the device is bound with a MAC address and not the right device num
# bail out, if the MAC does not fit
if [ -n "${HWADDR}" ]; then
    FOUNDMACADDR=`get_hwaddr ${REALDEVICE}`
    if [ "${FOUNDMACADDR}" != "${HWADDR}" ]; then
        curdev=`get_device_by_hwaddr ${HWADDR}`
        if [ -n "$curdev" ]; then
	  rename_device "${REALDEVICE}" "${HWADDR}" "${curdev}" || {
	    echo $"Device ${DEVICE} has different MAC address than expected, ignoring."
	    exit 1
	  }
	fi
    fi
fi

# now check the real state
is_available ${REALDEVICE} || {
      if [ -n "$alias" ]; then
         echo $"$alias device ${DEVICE} does not seem to be present, delaying initialization."
      else
         echo $"Device ${DEVICE} does not seem to be present, delaying initialization."
      fi
      exit 1
}

# is the device wireless? If so, configure wireless device specifics
is_wireless_device ${DEVICE} && . ./ifup-wireless

if [ "${TYPE}" = "Bridge" ]; then
      if [ ! -x /usr/sbin/brctl ]; then
	  echo $"Bridge support not available: brctl not found"
	  exit 1
      fi
      /sbin/ip link set dev ${DEVICE} down 2>/dev/null
      /usr/sbin/brctl delbr ${DEVICE} 2>/dev/null
      /usr/sbin/brctl addbr ${DEVICE} 2>/dev/null
      # brctl doesn't report success/failure (BZ #104408)
      # Test for ourselves whether it worked.
      if ! /usr/sbin/brctl show | LANG=C grep -q "^${DEVICE}	" ; then
	    echo $"Bridge support not available in this kernel"
	    exit 1
      fi
      [ -n "${DELAY}" ] && /usr/sbin/brctl setfd ${DEVICE} ${DELAY}
      [ -n "${GCINT}" ] && /usr/sbin/brctl setgcint ${DEVICE} ${GCINT}
      [ -n "${STP}" ] && /usr/sbin/brctl stp ${DEVICE} ${STP}
fi

if [ -n "${BRIDGE}" -a -x /usr/sbin/brctl ]; then
      /sbin/ip addr flush dev ${DEVICE} 2>/dev/null
      /sbin/ip link set dev ${DEVICE} up
      /usr/sbin/brctl addif ${BRIDGE} ${DEVICE}
      # Upon adding a device to a bridge, 
      # it's necessary to make radvd reload its config
      [ -r /var/run/radvd/radvd.pid ] && kill -HUP `cat /var/run/radvd/radvd.pid`
      exit 0
fi 

# slave device?
if [ "${SLAVE}" = yes -a "${ISALIAS}" = no -a "${MASTER}" != "" -a \
     -x /sbin/ifenslave ]; then
    RFLAG="" ; [ "${RECEIVEONLY}" = yes ] && RFLAG="-r"

    /sbin/ip link set dev ${DEVICE} down
    echo $"Enslaving ${DEVICE} to ${MASTER}"
    ifenslave ${RFLAG} "${MASTER}" "${DEVICE}" >/dev/null 2>&1

    if [ -n "$ETHTOOL_OPTS" ] ; then
        /sbin/ethtool -s ${REALDEVICE} $ETHTOOL_OPTS
    fi

    exit 0
fi

# Bonding initialization. For DHCP, we need to enslave the devices early,
# so it can actually get an IP.
if [ "${TYPE}" =  "Bonding" ] || ethtool -i $DEVICE 2>/dev/null| grep -q "driver: bonding" ; then
    /sbin/ip link set dev ${DEVICE} down
    /sbin/ip link set dev ${DEVICE} up
    for device in `LANG=C grep -l "^[[:space:]]*MASTER=${DEVICE}" /etc/sysconfig/network-scripts/ifcfg-*` ; do
        if [ "$BOOTPROTO" = "dhcp" ]; then
		/sbin/ifup ${device##*/}
    	fi
    done
fi

# this isn't the same as the MAC in the configuration filename.  It is
# available as a configuration option in the config file, forcing the kernel
# to think an ethernet card has a different MAC address than it really has.
if [ -n "${MACADDR}" ]; then
   ip link set dev ${DEVICE} address ${MACADDR}
fi
if [ -n "${MTU}" ]; then
   ip link set dev ${DEVICE} mtu ${MTU}
fi

		     
if [ -n "${DYNCONFIG}" -a -x /sbin/dhclient ]; then
    # Remove any temporary references which were previously added to dhclient config
    if [ -w /etc/dhclient-${DEVICE}.conf ] ; then
        LC_ALL=C grep -v "# temporary RHL ifup addition" /etc/dhclient-${DEVICE}.conf > /etc/dhclient-${DEVICE}.conf.ifupnew 2> /dev/null
        cat /etc/dhclient-${DEVICE}.conf.ifupnew > /etc/dhclient-${DEVICE}.conf
        rm -f /etc/dhclient-${DEVICE}.conf.ifupnew
    fi
    if [[ "${PERSISTENT_DHCLIENT}" =  [yY1]* ]]; then
       ONESHOT="";
    else
       ONESHOT="-1";
    fi;
    if [ -n "${DHCP_HOSTNAME}" ]; then
       # Send a host-name to the DHCP server (requ. by some dhcp servers).
       if [ -w /etc/dhclient-${DEVICE}.conf ] ; then
           if ! LC_ALL=C grep "send *host-name *\"${DHCP_HOSTNAME}\"" /etc/dhclient-${DEVICE}.conf > /dev/null 2>&1 ; then
               echo "send host-name \"${DHCP_HOSTNAME}\";  # temporary RHL ifup addition" >> /etc/dhclient-${DEVICE}.conf
           fi
       elif ! [ -e /etc/dhclient-${DEVICE}.conf ] ; then
           echo "send host-name \"${DHCP_HOSTNAME}\";  # temporary RHL ifup addition" >> /etc/dhclient-${DEVICE}.conf
       fi
    fi
    # allow users to use generic '/etc/dhclient.conf' (as documented in manpage!) 
    # if per-device file doesn't exist or is empty
    if [ -s /etc/dhclient-${DEVICE}.conf ]; then
       DHCLIENTCONF="-cf /etc/dhclient-${DEVICE}.conf";
    else
       DHCLIENTCONF='';
    fi;
    DHCLIENTARGS="${DHCLIENTARGS} ${ONESHOT} -q ${DHCLIENTCONF} -lf /var/lib/dhclient/dhclient-${DEVICE}.leases -pf /var/run/dhclient-${DEVICE}.pid"
    echo
    echo -n $"Determining IP information for ${DEVICE}..."
    if check_link_down ${DEVICE}; then
	echo $" failed; no link present.  Check cable?"
	ip link set dev ${DEVICE} down >/dev/null 2>&1
	exit 1
    fi

    if [ -n "$ETHTOOL_OPTS" ] ; then
        /sbin/ethtool -s ${REALDEVICE} $ETHTOOL_OPTS
    fi

    if /sbin/dhclient ${DHCLIENTARGS} ${DEVICE} ; then
	echo $" done."
    else
	echo $" failed."
	exit 1
    fi
# end dynamic device configuration
else 
    if [ -z "${IPADDR}" ]; then
         # enable device without IP, useful for e.g. PPPoE
	 ip link set dev ${REALDEVICE} up
	 if [ -n "$ETHTOOL_OPTS" ] ; then
	 	/sbin/ethtool -s ${REALDEVICE} $ETHTOOL_OPTS
	 fi
	 # Bonding initialization part II
	 if [ "${TYPE}" =  "Bonding" ] || ethtool -i $DEVICE 2>/dev/null| grep -q "driver: bonding" ; then
    		for device in `LANG=C grep -l "^[[:space:]]*MASTER=${DEVICE}" /etc/sysconfig/network-scripts/ifcfg-*` ; do
			/sbin/ifup ${device##*/}
    		done
	 fi

	 if [ "${NETWORKING_IPV6}" = "yes" ]; then
	    /etc/sysconfig/network-scripts/ifup-ipv6 ${CONFIG}
	 fi
	 exec /etc/sysconfig/network-scripts/ifup-post ${CONFIG} ${2}
    fi
  
    expand_config
    
    [ -n "${ARP}" ] && \
	ip link set dev ${REALDEVICE} $(toggle_value arp $ARP)
   
    if ! ip link set dev ${REALDEVICE} up ; then
	echo $"Failed to bring up ${DEVICE}."
	exit 1
    fi

    if [ -n "$ETHTOOL_OPTS" ] ; then
        /sbin/ethtool -s ${REALDEVICE} $ETHTOOL_OPTS
    fi


    if [ "${DEVICE}" = "lo" ]; then
    	SCOPE="scope host"
    else
        SCOPE=${SCOPE:-}
    fi
    
    if [ -n "$SRCADDR" ]; then
       SRC="src $SRCADDR"
    else
       SRC=
    fi
    
    if ! LC_ALL=C ip addr ls ${REALDEVICE} | LC_ALL=C grep -q "${IPADDR}/${PREFIX}" ; then
	 if ! arping -q -c 2 -w 3 -D -I ${REALDEVICE} ${IPADDR} ; then
	    echo $"Error, some other host already uses address ${IPADDR}."
	    exit 1
	 fi
	 if ! ip addr add ${IPADDR}/${PREFIX} \
	    brd ${BROADCAST:-+} dev ${REALDEVICE} ${SCOPE} label ${DEVICE}; then
	    echo $"Error adding address ${IPADDR} for ${DEVICE}."
	 fi
    fi
    
    if [ -n "$SRCADDR" ]; then
           sysctl -w "net.ipv4.conf.${REALDEVICE}.arp_filter=1" >/dev/null 2>&1
    fi

    # update ARP cache of neighboring computers
    arping -q -A -c 1 -I ${REALDEVICE} ${IPADDR}
    ( sleep 2;
      arping -q -U -c 1 -I ${REALDEVICE} ${IPADDR} ) > /dev/null 2>&1 < /dev/null &

    # Set a default route.
    if [ -z "${GATEWAYDEV}" -o "${GATEWAYDEV}" = "${REALDEVICE}" ]; then
	# set up default gateway. replace if one already exists
	if [ -n "${GATEWAY}" -a "`ipcalc --network ${GATEWAY} ${NETMASK} 2>/dev/null`" = "NETWORK=${NETWORK}" ]; then
	    ip route replace default via ${GATEWAY} ${WINDOW:+window $WINDOW} ${SRC} ${GATEWAYDEV:+dev $GATEWAYDEV}
	elif [ "${GATEWAYDEV}" = "${DEVICE}" ]; then
	    ip route replace default ${SRC} ${WINDOW:+window $WINDOW} dev ${REALDEVICE}
	fi
    fi
    
fi

# Bonding initialization part II - for static, enslave the devices. For
# DHCP, remove any routes for the slaves.
if [ "${TYPE}" =  "Bonding" ] || ethtool -i $DEVICE 2>/dev/null| grep -q "driver: bonding" ; then
    for device in `LANG=C grep -l "^[[:space:]]*MASTER=${DEVICE}" /etc/sysconfig/network-scripts/ifcfg-*` ; do
	if [ "$BOOTPROTO" = "dhcp" ]; then
		DEV=$DEVICE
                eval $(LANG=C fgrep "DEVICE=" $device)
		ifenslave -d $DEV $DEVICE
		DEVICE=$DEV
	fi
	/sbin/ifup ${device##*/}
    done
fi

# Add Zeroconf route.
if [ -z "${NOZEROCONF}" -a "${ISALIAS}" = "no" ]; then
    ip route replace 169.254.0.0/16 dev ${REALDEVICE} 
fi

# IPv6 initialisation?
if [ "${NETWORKING_IPV6}" = "yes" ]; then
    /etc/sysconfig/network-scripts/ifup-ipv6 ${CONFIG}
    if [[ "${DHCPV6C}"  = [Yy1]* ]] && [ -x /sbin/dhcp6c ]; then
	/sbin/dhcp6c ${DEVICE};
        dhcp6_pid=(`/bin/ps -eo 'pid,args' | /bin/grep "dhcp6c ${DEVICE}" | egrep -v grep`);
	echo ${dhcp6_pid[0]} > /var/run/dhcp6c_${DEVICE}.pid
    fi;
fi

if [ "${IPX}" = yes ]; then
       /etc/sysconfig/network-scripts/ifup-ipx ${DEVICE}
fi

exec /etc/sysconfig/network-scripts/ifup-post ${CONFIG} ${2}


#!/bin/bash

. /etc/sysconfig/network

cd /etc/sysconfig/network-scripts
. network-functions

CONFIG=$1
[ -f "$CONFIG" ] || CONFIG=ifcfg-$CONFIG
source_config

# disable the radio
if [ "$RADIOCTRL" == "yes" ]; then
    iwconfig $DEVICE txpower off
fi

if [ "$WPA" = "yes" -a -x /usr/sbin/wpa_supplicant ]; then
    killall wpa_supplicant
fi 

#!/bin/bash
# Network Interface Configuration System
# Copyright (c) 1996-2005 Red Hat, Inc. all rights reserved.
#
# This software may be freely redistributed under the terms of the GNU
# public license.
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.

. /etc/init.d/functions

cd /etc/sysconfig/network-scripts
. network-functions

[ -f ../network ] && . ../network

CONFIG=${1}

source_config

if [ -n "${BRIDGE}" -a -x /usr/sbin/brctl ]; then
      /sbin/ip link set dev ${DEVICE} down
      /usr/sbin/brctl delif ${BRIDGE} ${DEVICE}
      # Upon removing a device from a bridge,
      # it's necessary to make radvd reload its config
      [ -r /var/run/radvd/radvd.pid ] && kill -HUP `cat /var/run/radvd/radvd.pid`
      exit 0
fi 

. /etc/sysconfig/network

# Check to make sure the device is actually up
check_device_down ${DEVICE} && [ "$BOOTPROTO" != "dhcp" -a "$BOOTPROTO" != "bootp" ] && [ -n "$VLAN" -a "$VLAN" != "yes" ] && exit 0

if [ -n "${HWADDR}" -a -z "${MACADDR}" ]; then
    FOUNDMACADDR=`get_hwaddr ${REALDEVICE}`
    if [ -n "${FOUNDMACADDR}" -a "${FOUNDMACADDR}" != "${HWADDR}" ]; then
        NEWCONFIG=`get_config_by_hwaddr ${FOUNDMACADDR}`
	if [ -n "${NEWCONFIG}" -a "${NEWCONFIG##*/}" != "${CONFIG##*/}" ]; then
	   exec /sbin/ifdown ${NEWCONFIG}
	else
	   echo $"Device ${DEVICE} has MAC address ${FOUNDMACADDR}, instead of configured address ${HWADDR}. Ignoring."
	   exit 1
	fi
    fi
fi

if [ "${NETWORKING_IPV6}" = "yes" ]; then
    /etc/sysconfig/network-scripts/ifdown-ipv6 ${CONFIG}
    if [[ "${DHCPV6C}" = [Yy1]* ]] && [ -f /var/run/dhcp6c_${DEVICE}.pid ]; then
       kill `cat /var/run/dhcp6c_${DEVICE}.pid`;
       rm -f /var/run/dhcp6c_${DEVICE}.pid;
    fi;	
fi;

retcode=0
[ -n "`pidof -x dhclient`" ] && {
	if [ -f "/var/run/dhclient-${DEVICE}.pid" ]; then
		dhcpid=`cat /var/run/dhclient-${DEVICE}.pid`
		if [[ "$DHCPRELEASE" = [yY1]* ]];  then
			/sbin/dhclient -r -lf /var/lib/dhclient/dhclient-${DEVICE}.leases -pf /var/run/dhclient-${DEVICE}.pid ${DEVICE} >/dev/null 2>&1
			retcode=$?
		else
			kill $dhcpid >/dev/null 2>&1
			retcode=$?
		   	reason=STOP interface=${DEVICE} /sbin/dhclient-script
		fi
		if [ -f "/var/run/dhclient-${DEVICE}.pid" ]; then
			rm -f /var/run/dhclient-${DEVICE}.pid
			kill $dhcpid >/dev/null 2>&1
		fi	
	fi
}	
# we can't just delete the configured address because that address
# may have been changed in the config file since the device was
# brought up.  Flush all addresses associated with this
# instance instead.
if [ -d "/sys/class/net/${REALDEVICE}" ]; then
	if [ "${REALDEVICE}" = "${DEVICE}" ]; then
		ip addr flush dev ${REALDEVICE} 2>/dev/null
	else
		ip addr flush dev ${REALDEVICE} label ${DEVICE} 2>/dev/null
	fi

	if [ "${REALDEVICE}" = "${DEVICE}" ]; then
  		ip link set dev ${DEVICE} down 2>/dev/null
	fi
fi
[ "$retcode" = "0" ] && retcode=$?

# wait up to 5 seconds for device to actually come down...
waited=0
while ! check_device_down ${DEVICE} && [ "$waited" -lt 50 ] ; do
    usleep 10000
    waited=$(($waited+1))
done

# don't leave an outdated key sitting around
if [ -n "${WIRELESS_ENC_KEY}" -a -x /sbin/iwconfig ]; then
    /sbin/iwconfig ${DEVICE} enc 0 >/dev/null 2>&1
fi


# do devicetype specific shutdown stuff
if [ -x "/etc/sysconfig/network-scripts/ifdown-${TYPE}" ]; then
    /etc/sysconfig/network-scripts/ifdown-${TYPE} ${CONFIG}
fi


if [ "$retcode" = 0 ] ; then
    /etc/sysconfig/network-scripts/ifdown-post $CONFIG
    # do NOT use $? because ifdown should return whether or not
    # the interface went down.

fi

if [ "$TYPE" = "Bridge" -a -x /usr/sbin/brctl ]; then
    /usr/sbin/brctl delbr ${DEVICE}
fi

if [ -n "$VLAN" -a -x /sbin/vconfig ]; then
    # 802.1q VLAN
    if echo ${DEVICE} | LANG=C egrep -v '(:)' | LANG=C egrep -q '(eth|bond)[0-9][0-9]*\.[0-9][0-9]?[0-9]?[0-9]?' \
	|| echo ${DEVICE} | LANG=C egrep -q 'vlan[0-9][0-9]?[0-9]?[0-9]?' ; then
	[ -f /proc/net/vlan/${DEVICE} ] && {
	    /sbin/vconfig rem ${DEVICE}
	}
    fi
fi

exit $retcode

# Please read /usr/share/doc/initscripts-*/sysconfig.txt
# for the documentation of these parameters.
ONBOOT=yes
USERCTL=no
IPV6INIT=no
PEERDNS=yes
GATEWAY=192.168.1.1
TYPE=Wireless
DEVICE=eth1
HWADDR=00:11:50:0b:29:a9
BOOTPROTO=none
NETMASK=255.255.255.0
DHCP_HOSTNAME=
IPADDR=192.168.1.2
DOMAIN=
ESSID=linksys
CHANNEL=1
MODE=Managed
RATE='11 Mb/s'
#NEW
WPA='YES'
WPADRIVER='-Dwext'
#END NEW
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