From: Steve Dickson <SteveD@redhat.com>
To: Jeff Layton <jlayton@redhat.com>
Cc: linux-nfs@vger.kernel.org, nfsv4@linux-nfs.org
Subject: Re: [PATCH] gssd: on krb5 upcall, have gssd send a more granular error code
Date: Tue, 12 Jan 2010 07:36:37 -0500 [thread overview]
Message-ID: <4B4C6CD5.9070703@RedHat.com> (raw)
In-Reply-To: <1262875355-4522-1-git-send-email-jlayton@redhat.com>
On 01/07/2010 09:42 AM, Jeff Layton wrote:
> Currently if a krb5 context expires, GSSAPI authenticated RPC calls
> start returning error (-EACCES in particular). This is bad when someone has
> a long running job that's doing filesystem ops on a krb5 authenticated NFS
> mount and just happens to forget to redo a 'kinit' in time.
>
> The existing gssd always does a downcall with a '-1' error code if there
> are problems, and the kernel always ignores this error code. Begin to
> fix this by having gssd distinguish between someone that has no
> credcache at all, and someone who has an expired one. In the case where
> there is an existing credcache, have gssd downcall with an error code of
> -EKEYEXPIRED. If there's not a credcache, then downcall with an error of
> -EACCES.
>
> We can then have the kernel use this error code to handle these
> situations differently.
>
Committed...
steved.
prev parent reply other threads:[~2010-01-12 12:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-07 14:42 [PATCH] gssd: on krb5 upcall, have gssd send a more granular error code Jeff Layton
2010-01-12 12:36 ` Steve Dickson [this message]
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