Re: Aironet cards and multiple WEP key support

Josh Tiefenbach writes:
| Does any of a way to convince the an driver to cycle thru multiple wepkeys 
| (similar to the auto_wep feature of the Linux driver)?

Looking at "auto_wep" in the Linux driver I don't like it.  It breaks
some implicit features of the card that I like.  That is if I'm reading
the code right.
 
| Or, much more interesting to me, a way to convince the driver to try cycling
| between combinations of (SSID, WEP mode, WEP Tx key), looking for a tuple that
| will cause the card to associate?

You can tell the driver to do that.
 
| I know that the Windows driver has the ability to search thru multiple
| profiles, but I'm not sure how much of that ability is due to the driver
| itself, and how much to the ACU client util.

You can run the Linux ACU on -stable or -current.
 
| It would be awfully nice if my Cisco 350 automagically worked between the
| office (SSID A, WEP on, WEP Tx key 1) and home (SSID B, WEP off) without me
| having to do manual tweaking at either the office (to turn WEP on), or at home
| (to turn WEP off, or change to a different wepkey).

Mine does and doesn't require auto-wep that could trash the keys in the
card.  I like the NVRAM key holding feature of the Aironet card so I
don't have to put my home/work keys in my /etc files.  Also works across
Windows.  I store my work key in the standard keys and home key in the
home key.  You need 4.5-stable or -current.  I put my laptop to sleep
change location and resume then my laptop connects to the network.

Here is my /etc/start_if.an0 where I think this functionality should
be put since then you can add any arbitrary scheme.  I also have
stuff in my /etc/dhclient-{enter,exit}-hooks to do more network
configuration automatically since I'm to lazy to do it myself.
Note no keys are in this file since I don't have to have them there.
I did sanitize the SSIDs even though it doesn't really matter.

Doug A.

#!/bin/sh

device=${1:-an0}

rm /etc/eth?.cfg
rm /compat/linux/etc/eth?.cfg
rm /root/.history

ifconfig $device stationname a21p

sync_interface(){
  while :
  do
        ifconfig $device -mediaopt adhoc
        ifconfig $device authmode open
        ifconfig $device wepmode on
        ifconfig $device weptxkey 1
        ifconfig $device ssid SOMETHINGWORK
        ifconfig $device ssid 2:SOMETHINGWORK2
        sleep 2
        if ifconfig $device | grep associated
        then
                return
        fi
        ifconfig $device || exit

        ifconfig $device ssid "2:-"
        ifconfig $device mediaopt adhoc
        ifconfig $device authmode open
        ifconfig $device wepmode on
        ifconfig $device weptxkey 5
        ifconfig $device ssid HOME
        ancontrol -i $device -v 2 -n ""
        sleep 2
        if ifconfig $device | grep associated
        then
                return
        fi
        ifconfig $device || exit

        ifconfig $device -mediaopt adhoc
        ifconfig $device authmode none
        ifconfig $device wepmode off
        ifconfig $device ssid ANY
        sleep 2
        if ifconfig $device | grep associated
        then
                return
        fi
        ifconfig $device || exit

        ifconfig $device -mediaopt adhoc
        ifconfig $device authmode none
        ifconfig $device wepmode off
        ifconfig $device ssid ""
        sleep 2
        if ifconfig $device | grep associated 
        then
                return
        fi
        ifconfig $device || exit

        ifconfig $device -mediaopt adhoc
        ifconfig $device authmode none
        ifconfig $device wepmode off
        ifconfig $device ssid "bafug"
        sleep 2
        if ifconfig $device | grep associated
        then
                return
        fi
        ifconfig $device || exit
  done
}

sync_interface

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