Is there an easy way to bring my wifi card at boot / init 3?[Scanned]
Chris Bradford
chrisbradford at cambridge-news.co.uk
Wed Aug 16 20:10:40 UTC 2006
Todd Zullinger wrote:
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> 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
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