Re: [PATCH 08/28] SECURITY: Allow kernel services to override LSMsettings for task actions [try #2]

From: Crispin Cowan
Date: Tue Dec 18 2007 - 22:28:44 EST


Stephen Smalley wrote:
>> It is if I have to maintain a special pieces of code for each possible LSM.
>> One piece for SELinux, one piece for AppArmour, one piece for Smack, one piece
>> for Casey's security system. That sounds like a pain.
>>
> All your code has to do is invoke a function provided by libselinux. If
> at some later time a liblsm is introduced that provides a common
> front-end to a libselinux, libsmack, ..., then you can use that. But it
> doesn't exist today. But it all just becomes a simple function call
> regardless.
>
libapparmor exists. It only had one API, and now it has 2, but just 2
versions on the same concept (change_hat and change_profile).

This is the API for change_hat http://man-wiki.net/index.php/2:change_hat

What does the corresponding API in SELinux look like?

Crispin

--
Crispin Cowan, Ph.D. http://crispincowan.com/~crispin
CEO, Mercenary Linux http://mercenarylinux.com/
Itanium. Vista. GPLv3. Complexity at work

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