lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	17 Apr 2007 20:05:29 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Karl MacMillan <kmacmill@...hat.com>
Cc:	David Safford <safford@...son.ibm.com>,
	James Morris <jmorris@...ei.org>,
	John Johansen <jjohansen@...e.de>,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: Re: AppArmor FAQ

Karl MacMillan <kmacmill@...hat.com> writes:
 
> No - the real fix is to change the applications or to run under a policy
> that confines all applications. Most of the problems with resolv.conf,
> mtab, etc. stem from admin processes (e.g., editors or shell scripts)
> all running under the same unconfined domain.
> 
> In some cases applications need modification as only the application has
> enough information to determine the correct label. Usually this means
> preserving labels from input files or separating the output into
> distinct directories so type transitions or label inheritance will work.
> 
> restorecond is just a hack not a requirement or a sign that something is
> wrong with the model. That is why it is a userspace application and not
> integrated into the kernel mechanism.

You nicely show one of the major disadvantages of the label model vs the path 
model here: it requires modification of a lot of applications. 

Maybe John can borrow your statement for new versions of his FAQ @)

-Andi
-
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ