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

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From: Pavel Machek
Date: Monday, June 25, 2007 - 8:14 am

Hi!


Actually, I surprised Lars a lot by telling him ln /etc/shadow /tmp/
allows any user to make AA ineffective on large part of systems -- in
internal discussion. (It is not actually a _bug_, but it is certainly
unexpected).

(Does it surprise you, too? I'm pretty sure it would surprise many users).

James summarized it nicely:

# The design of the AppArmor is based on _appearing simple_, but at the
# expense of completeness and thus correctness.

If even Lars can be surprised by AAs behaviour, I do not think we can
say "AA is different". I'm afraid that AA is trap for users. It
appears simple, and mostly does what it is told, but does not do _what
user wants_.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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Messages in current thread:
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Andreas Gruenbacher, (Mon Jun 4, 2:03 pm)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Andreas Gruenbacher, (Fri Jun 8, 3:03 pm)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Andreas Gruenbacher, (Sat Jun 9, 8:05 am)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Andreas Gruenbacher, (Sat Jun 9, 8:17 am)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Lars Marowsky-Bree, (Tue Jun 12, 10:03 am)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Andreas Gruenbacher, (Thu Jun 21, 8:54 am)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Andreas Gruenbacher, (Thu Jun 21, 9:01 am)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Lars Marowsky-Bree, (Thu Jun 21, 9:08 am)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Lars Marowsky-Bree, (Thu Jun 21, 12:24 pm)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Lars Marowsky-Bree, (Thu Jun 21, 12:35 pm)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Lars Marowsky-Bree, (Thu Jun 21, 12:54 pm)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Lars Marowsky-Bree, (Thu Jun 21, 1:21 pm)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Lars Marowsky-Bree, (Thu Jun 21, 2:17 pm)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Lars Marowsky-Bree, (Thu Jun 21, 5:19 pm)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Andreas Gruenbacher, (Fri Jun 22, 2:59 am)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Lars Marowsky-Bree, (Fri Jun 22, 3:49 am)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Lars Marowsky-Bree, (Fri Jun 22, 4:37 am)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Lars Marowsky-Bree, (Fri Jun 22, 5:42 am)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Lars Marowsky-Bree, (Fri Jun 22, 5:54 am)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Pavel Machek, (Mon Jun 25, 8:14 am)
Re: [AppArmor 39/45] AppArmor: Profile loading and manipul ..., Lars Marowsky-Bree, (Tue Jun 26, 1:50 am)