Date: Tue, 8 Sep 1998 08:52:34 +0200 (CEST) From: Dirk-Willem van Gulik <dirk.vangulik@jrc.it> To: Marc Slemko <marcs@znep.com> Cc: Mike Smith <mike@smith.net.au>, mobile@FreeBSD.ORG Subject: Re: my pccard changes Message-ID: <Pine.BSF.3.96.980908083602.275Y-100000@elpc36.jrc.it> In-Reply-To: <Pine.BSF.4.03.9809071317360.10533-100000@alive.znep.com>
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On Mon, 7 Sep 1998, Marc Slemko wrote:
> On Sun, 6 Sep 1998, Mike Smith wrote:
>
> > > In my situation I take my laptop between multiple ethernets, and I can't
> > > use DHCP because I'm unlucky.
> > ...
> > > and a shell script that lets me just run "location home" and have
> > > pccard_location="home" put into /etc/pccard_location. The same applies
> > > for any number of locations.
> > >
> > > Pretty simple modificatons; just FYI if anyone else was wanting to do the
> > > same thing but hadn't bothered to.
> >
> > What you want is this:
>
> Except that that doesn't deal with wanting to just modify parts of a file.
>
> I agree that, in general, when you need changed resolv.conf, and arbitrary
> other files it may make sense.
>
> But you still need other changes; either modifying pccard_ether with hacks
> or replacing it, replacing rc.conf, etc. And it really doesn't make sense
> to completely replace either of those just for one or two settings. I
> don't see anywhere that I can completely replace a file to change the IP
> address and default route without also having a lot more baggage around.
I could not agree more ! I ended up sourcing the '. rc.conf' each time
and then overriding a few. Unfortunately not all DHCP servers supply all
values. So that ends up beeing messy too.
Dw.
#>/etc/locs
# location ip mask router dns(s)
webweaving DHCP
behind 10.0.1.109 255.255.255.128 10.0.1.1 10.0.1.2
front 139.191.7.99 255.255.255.0 139.191.7.1 139.191.7.3
elsvier 123.7.240.9 255.255.255.0 123.7.240.254
#!/usr/local/bin/perl
# dirkx@webweaving.org - for vaio
$loc=lc shift or `cat /etc/.lastloc`;
open(F,'/etc/locs') or die "Could not open location file:$!";
while(<F>) {
chomp; next if m/^\s*\#g/;
($tloc,$ip,$net,$router,@dns)=split;
($ok=1,last) if $loc eq lc $tloc;
};
die "No such location" unless $ok;
open(F,'>/etc.lastloc');print F $loc;close(F);
push @dns,"139.191.1.142"
unless $#dns>0;
%vars=(
'ifconfig_unkown' => $ip,
'ifconfig_pccard' => $ip,
'default_router' => $router
);
if ($ip ne 'DHCP') {
mv '/etc/resolv.conf','/etc/resolv.conf.old' or die "CNM:$!";
open(F,'>/etc/resolv.conf');
print F "# Created $0 $loc - ".gmtime(time)."\n";
print F "search webweaving.org. jrc.it .\n";
map { print F "nameserver $_\n" } @dns;
close(F);
$vars{ ifconfig_pccard } .=' netmask '.$net;
};
$comm = ". rc.conf\n";
foreach(keys(%vars)) { $comm .= "$_ = \"$vars{$_}\"\nexport $_\n"; };
$comm .="/etc/pccard_config all\n";
exec $comm;
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