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Message-ID: <20070610210547.GC25138@elf.ucw.cz> Date: Sun, 10 Jun 2007 23:05:47 +0200 From: Pavel Machek <pavel@....cz> To: david@...g.hm Cc: Greg KH <greg@...ah.com>, Andreas Gruenbacher <agruen@...e.de>, Stephen Smalley <sds@...ho.nsa.gov>, jjohansen@...e.de, linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org, linux-fsdevel@...r.kernel.org Subject: Re: [AppArmor 39/45] AppArmor: Profile loading and manipulation, pathname matching Hi! > >>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. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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