Re: [PATCH] Call LSM functions outside VFS helper functions.

[Matthew Wilcox <matthew@wil.cx>]

On Thu, Apr 10, 2008 at 09:02:57PM +0900, Tetsuo Handa wrote:
> If the conclusion became "vfsmount should not be passed to
> VFS helper functions", that's OK, but I want you to consider
> the below approach for AppArmor and TOMOYO Linux. This patch is a repost of
> http://kerneltrap.org/mailarchive/linux-fsdevel/2008/2/17/882024 .

I'm a little disappointed that you simply repost this patch rather than
responding to my post from yesterday:

> How about an approach which doesn't require the vfsmount to be passed
> down?
> 
> When the rule is put in place, say "No modifications to /etc/passwd",
> look up the inode and major:minor of /etc/passwd.  If there's a rename,
> look up the new inode number.  If it's mounted elsewhere, it doesn't
> matter, they still can't modify it because it has the same
> major:minor:inode.
> 
> Is this workable?

Could you respond to this please?

-- 
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"Bill, look, we understand that you're interested in selling us this
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