linux-kernel - Re: [PATCH] Add "-e" option to rpc.gssd to allow error on ticket expiry

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Message-ID: <4EC662DC.70001@Calva.COM>
Date:	Fri, 18 Nov 2011 14:51:24 +0100
From:	John Hughes <john@...va.COM>
To:	Steve Dickson <SteveD@...hat.com>
CC:	Trond Myklebust <Trond.Myklebust@...app.com>,
	linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Add "-e" option to rpc.gssd to allow error on ticket
 expiry

On 18/11/11 14:44, Steve Dickson wrote:
>
> I think the answer to all this is have the ticket
> renewed before it expires. There is a daemon call sssd
> that is part of the FreeIPA project that will supposedly
> do that for us... I'm looking into it...
You can only renoew the ticket before it expires if it hasn't yet expired.

Imagine this case:

I go home for the evening.

The screensaver kicks in.

The machine suspends to ram.

The ticket expires.  Yes, it was renewable but nobody could renew it 
because they were asleep.

I come back the next morning, hit a key, the unlock screen pops up, I 
enter my password, pam_krb5 gets a new ticket.


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