From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Kent <ikent@redhat.com>
Subject: Re: autofs misbehaves when DNS RRs returns more ldap
	servers
Date: Tue, 28 Dec 2010 10:24:50 +0800
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To: Ondrej Valousek <webserv@s3group.com>
Cc: "autofs@linux.kernel.org" <autofs@linux.kernel.org>

On Mon, 2010-12-27 at 13:36 +0100, Ondrej Valousek wrote:
> Hi Ian,
> 
> I just found out that when using DNS RRs to find a suitable ldapserver
> to connect to, we do not handle correctly the situation where the
> multiple servers are found. We end up with something like this:
> 
> automount[2712]: find_server: trying server uri
> ldap://dccorka.dublin.ad.s3group.com:389
> ldap://dclisaa.dublin.ad.s3group.com:389
> ldap://dcdub1.dublin.ad.s3group.com:389
> ldap://dcduba.dublin.ad.s3group.com:389
> ldap://dcdubb.dublin.ad.s3group.com:389
> ldap://dcpra1.dublin.ad.s3group.com:389
> ldap://dcsjc1.dublin.ad.s3group.com:389
> ldap://dcsjca.dublin.ad.s3group.com:389
> ldap://dcwro1.dublin.ad.s3group.com:389
> ldap://dccork1.dublin.ad.s3group.com:389
> 
> Looking at the source code, this uri does not look valid to me.
> Ok "man auto.master" says that LDAP_URI might contain "A space
> seperated list of server uris of the form <proto>://<server>[/]", but
> ldap_initialize() does not look like it actually supports this - a
> single server is assumed instead.

That's right.
I'm supposed to break that list into individual server entries and
attempt a connection to each in turn.

Can you get a debug log for me please.

> 
> Can you clarify this?
> 
> In my case above, if connection to
> ldap://dccorka.dublin.ad.s3group.com:389 fails, autofs never tries the
> other servers in the list.
> 
> Many thanks & happy new year!
> 
> Ondrej
> 
> 
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