linux-kernel - Re: [AppArmor 39/45] AppArmor: Profile loading andmanipulation,pathname matching

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Date:	Sat, 9 Jun 2007 06:41:01 -0700 (PDT)
From:	david@...g.hm
To:	Sean <seanlkml@...patico.ca>
cc:	Tetsuo Handa <from-lsm@...ove.SAKURA.ne.jp>,
	linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [AppArmor 39/45] AppArmor: Profile loading andmanipulation,pathname
 matching

On Sat, 9 Jun 2007, Sean wrote:

> On Sat, 9 Jun 2007 20:26:57 +0900
> Tetsuo Handa <from-lsm@...ove.SAKURA.ne.jp> wrote:
>
>> Sean wrote:
>>> All of a sudden you've implemented the main features of AA with very
>>> few changes to the kernel.  It should be more maintainable, and much
>>> easier to get accepted into the kernel.
>> Do you agree with passing "struct vfsmount" to VFS helper functions and LSM hooks
>> and introducing d_namespace_path() so that the AA extension can calculate the requested pathname
>> and map the requested pathname to SELinux's labels?
>>
>
> Frankly i'm not in a position to judge, but if that's the best way to provide
> the desired functionality, then it sounds good.  But please make sure you
> bounce this all off someone who actually knows what they're talking about. ;o)
> Really I was just casually following along this ongoing conversation and had
> a more conceptual/design question about how things were implemented.  A few
> people explained how AA labelling at "runtime" wasn't conceptually very
> different than what SELinux did.  All that begged the question as to why
> that functionality couldn't just be tacked on to SELinux?

Sean,
   since you aren't in a position to judge what's acceptable and I'm not in 
a position to change code our exchange is pointless.

I apologize to the list for the excessive messasges.

David Lang
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