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Re: [nfsv4] New Version Notification for draft-cel-nfsv4-linux-seclabel-xtensions-00.txt

Tom Haynes <loghyr@gmail.com> Thu, 03 May 2018 15:31 UTC

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From: Tom Haynes <loghyr@gmail.com>
In-Reply-To: <20180503151332.GC14163@fieldses.org>
Date: Thu, 03 May 2018 08:31:34 -0700
Cc: "Quigley, David" <david.quigley@intel.com>, Chuck Lever <chuck.lever@oracle.com>, Spencer Shepler <spencer.shepler@gmail.com>, NFSv4 <nfsv4@ietf.org>
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To: Bruce Fields <bfields@fieldses.org>
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Subject: Re: [nfsv4] New Version Notification for draft-cel-nfsv4-linux-seclabel-xtensions-00.txt
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> On May 3, 2018, at 8:13 AM, J. Bruce Fields <bfields@fieldses.org> wrote:
> 
> On Wed, May 02, 2018 at 10:36:34PM +0000, Quigley, David wrote:
>> Also having them as 3 different LFS ids make no sense. The LFS is
>> supposed to describe the format of what you are sending and receiving
>> for the sec_label field.
> 
> By the way, something Chuck noticed is that the Linux client and server
> implementations are completely ignoring the LFS field--they always
> discard it when receiving, and set it to 0 when sending.  I assume we
> should at least fix them to reject non-zero values for now.
> 
> --b.

Actually, that is a bug in the Linux implementation!

According to RFC7569, a LFS of 0 is reserved.

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