linux-kernel - Re: [PATCH] Introduce new LSM hooks where vfsmount is available.

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Date:	Tue, 23 Sep 2008 16:06:35 +1000 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Kentaro Takeda <takedakn@...data.co.jp>
cc:	linux-security-module@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Toshiharu Harada <haradats@...data.co.jp>
Subject: Re: [PATCH] Introduce new LSM hooks where vfsmount is available.

On Wed, 17 Sep 2008, Kentaro Takeda wrote:

> TOMOYO Linux needs method for calculating pathname in LSM module.
> However, we have received comment from Al Viro, the vfs maintainer,
> that adding vfsmount parameter to vfs helper functions (and LSM hooks)
> is not preferable. We have asked some people (including Al), and we
> came back to the most straightforward approach; adding new LSM hooks
> where vfsmount is available.
> 
> The attached patch introduces several new LSM hooks TOMOYO Linux
> needs. It has less impact to existing LSM module and no impact to vfs
> helper functions. Please review it.

I don't see any technical errors in this patch.

If it is going to be merged, please make a new config option for 
path-based hooks (similar to that for the network hooks), so they can be 
compiled out.


- James
-- 
James Morris
<jmorris@...ei.org>
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