Re: [PATCH 12/12] Kconfig and Makefiles to enable configurationand building of AppArmor.

[Kees Cook]

On Mon, Feb 22, 2010 at 11:45:01PM -0800, John Johansen wrote:
> Serge E. Hallyn wrote:
> > Quoting john.johansen@xxxxxxxxxxxxx (john.johansen@xxxxxxxxxxxxx):
> >> From: John Johansen <john.johansen@xxxxxxxxxxxxx>
> >>
> 
> << snip >>
> 
> >> +config SECURITY_APPARMOR_NETWORK
> >> +       bool "AppArmor network support"
> >> +       depends on SECURITY_APPARMOR
> >> +       default n
> >> +       help
> >> +	 This enables AppArmor to mediate applications network use.
> >> +	 This will enable the SECURITY_NETWORK hooks.
> > 
> > Is there a compelling reason to have SECURITY_APPARMOR_NETWORK?   Does
> > it impact performance?  Is there older userspace that will just break?
> > 
> No, not really anymore.  There used to be a case where I was building
> with network hooks off and this has just been carried forward.
> 
> So it can go along with config APPARMOR_24_COMPAT, and I have even
> been considering pulling the runtime disable as well as I don't
> think there is a case for that either.

Yeah, I'd actually support removing the runtime-disable too; I don't think
I've seen its use in much of the existing AppArmor documentation.

-Kees

-- 
Kees Cook
Ubuntu Security Team
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