Re: Possible permissions bug on NFSv3 kernel client

From: Pascal Schmidt
Date: Sat May 01 2004 - 05:59:08 EST


On Fri, 30 Apr 2004, Trond Myklebust wrote:

> So why do you think that is inconsistent with my statement: "the
> permissions checking has to be done by the server, period"?

I see it wasn't clear from my reply. I don't disagree at all.
Permission checking is the server's job. Clients are untrusted.

> This should be entirely consistent with local file behaviour.
> Particularly since the code to deal with the read-only mount option in
> nfs_permission() was pretty much cut-n-pasted from vfs_permission().

The original poster said it didn't work for him on an NFSv3 mount.
Looking at nfs_permission() I (of course) agree it looks innocent
enough.

--
Ciao,
Pascal
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