[tomoyo-dev-en 28] Re: TOMOYO and YAMA

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Tetsuo Handa from-****@I-lov*****
Thu Dec 2 10:00:39 JST 2010


Jamie Nguyen wrote:
> I actually falsely thought that yama had already been integrated, but
> now realise that this is not the case. I can't tell from the
> discussions on LKML whether yama will make 2.6.37 or not.

Yama was about to get into 2.6.36. But it was dropped by last-minute changes.
Thread starts from http://lkml.org/lkml/2010/7/30/61 .
It didn't get into 2.6.37, and so far no activities toward 2.6.38.

One of reasons is that we can't enable multiple LSM modules at the same time.
( http://lwn.net/Articles/398726/ )
I believe that we should allow enabling multiple LSM modules at the same time
because label based access control (e.g. SELinux/Smack) and pathname based
access control (e.g. TOMOYO/AppArmor) are complementary.
AKARI/UUID are examples of enabling multiple LSM modules at the same time.

> The latest patch I could find was here [1].

Yama is included in Ubuntu 10.10 and later kernels, in a way that both Yama and
one of SELinux/Smack/TOMOYO/AppArmor can be enabled at the same time.
You can get the latest version from

http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-maverick.git (2.6.35)
http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-natty.git (2.6.37)

Regards.




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