How detecting the Wifi area my iwi0 is in?

[Dennis Melentyev]

Mattias,

2007/7/16, Matthias Apitz <m.apitz at oclcpica.org>:
> El día Monday, July 16, 2007 a las 12:50:24PM +0300, Dennis Melentyev escribió:
>
> > Hello Mattias,
> >
> > Have you tried wpa_supplicant for this? It can perfectly autodetect
> > networks for me (office/home). With iwi driver on 7.0-CURRENT-200706
> > snapshot (HP/Compaq nc8230).
>
> Hello Dennis,
>
> In some of the offices I'm as well using wpa_supplicant, at home
> I have only WEP (maybe this would work as well with wpa_supplicant,
> I've never tried it and just putting the wepkey with ifconfig into
> the interface); but all this is more complex then just doing the
> association, because I have also (sometimes) use a dedicated IP
> addr, sometimes I must fetch it with DHCP, and/or have to set other
> network related files accordingly (/etc/hosts, /etc/resolv.conf
> and others); thats why my idea was having a script in
> /usr/local/etc/rc.d/wlan.sh with the logic like:

Sam Leffler were more correct than me. It looks like the way he told
is being more "right" one to me.

>
>
> #!/bin/sh
>
> ifconfig iwi0 scan
> ifconfig iwi0 list ap | fgrep -q office1    && wifi=office1
> ifconfig iwi0 list ap | fgrep -q office2    && wifi=office2
> ifconfig iwi0 list ap | fgrep -q office3    && wifi=office3
> #....
>
> #
> # switch IP layout: office1 / office2 / ... based on ${wifi}
> #
> case ${wifi} in
>
>     office1)  printf "Found Wifi 'office1' ... " ;
>            cat /home/guru/sys/hosts.office1         > /etc/hosts
>            cat /home/guru/sys/resolv.conf.office1   > /etc/resolv.conf
>            cat /home/guru/sys/nsswitch.conf.office1 > /etc/nsswitch.conf
>            route delete default > /dev/null
>            ifconfig bge0 down
>            ssid=office1
>            wepkey=xxxxxxxxxxxxxxxxxxxxxxxxxx
>            inet=192.168.2.3
>            netmask=0xffffff00
>            ifconfig iwi0 inet ${inet} \
>                     netmask ${netmask} \
>                     ssid ${ssid} \
>                     wepkey ${wepkey} \
>                     channel 9 weptxkey 1 wepmode on
>            ping -c3 -o smc
>            route add default    192.168.2.1 > /dev/null
>            printf "... done.\n" ;
>            ;;
>
>
>     office2) printf "Found Wifi 'office2' ... " ;
>            route flush > /dev/null
>            route delete 193.31.10.32/27 > /dev/null
>            wpa_supplicant -B -i iwi0 -c /etc/wpa_supplicant.conf
>            # let the WPA client come up and init the iwi0 interface
>            sleep 1
>            ifconfig iwi0 inet 193.31.10.34 netmask 255.255.255.224
>            route add default 193.31.10.58 > /dev/null
>            cat /home/guru/sys/hosts.office2         > /etc/hosts
>            cat /home/guru/sys/resolv.conf.office2   > /etc/resolv.conf
>            cat /home/guru/sys/nsswitch.conf.office2 > /etc/nsswitch.conf
>
>            # ....
>
>
> I'm clearer now what I want to do?
>
>         matthias
>
> --
> Matthias Apitz
> Manager Technical Support - OCLC PICA GmbH
> Gruenwalder Weg 28g - 82041 Oberhaching - Germany
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> e <m.apitz at oclcpica.org> - w http://www.oclcpica.org/ http://www.UnixArea.de/
> b http://gurucubano.blogspot.com/
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>


-- 
Dennis Melentyev