Re: [AppArmor 39/45] AppArmor: Profile loading and manipulation, pathname matching

From: Pavel Machek
Date: Sun Jun 10 2007 - 17:06:20 EST


> >>extended out this can come close to giving each file it's own label. AA
> >>essentially does this and calls the label the path and computes it at
> >>runtime instead of storing it somewhere.
> >
> >Yes, and in the process, AA stores compiled regular expressions in
> >kernel. Ouch. I'll take "each file it's own label" over _that_ any time.
> and if each file has it's own label you are going to need regex or similar
> to deal with them as well.

But you have that regex in _user_ space, in a place where policy
is loaded into kernel.

AA has regex parser in _kernel_ space, which is very wrong.

(cesky, pictures)
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