Re: [BK PATCH] LSM changes for 2.5.59

From: 'Christoph Hellwig' (hchat_private)
Date: Mon Feb 10 2003 - 00:21:40 PST

  • Next message: Crispin Cowan: "Re: [BK PATCH] LSM changes for 2.5.59"

    On Sun, Feb 09, 2003 at 07:40:17PM -0800, Crispin Cowan wrote:
    > >	Also unsupported: The "no-security" model -- where all security 
    > >is thrown out (to save memory space and cycles) that was desired for embedded work.
    > >
    > False: capabilities is now a removable module, which is what Linus asked 
    > for.
    
    It's not.  You put a bit of capability logic into a LSM module, but all
    the specific calls to capable are still around and turned into an LSM hook -
    often near another hook.
    
    > >_\implemented\_ (team members & prjct lead Linda Walsh) to move all
    > >security checks out of the kernel into a 'default policy' module.
    > >The code to implement this was submitted to the LSM list in June 1991.
    > >
    > And I actually like that plan. But I still believe it to be too radical 
    > for 2.6.
    
    It's too later for 2.6 _now_.  If you started doing this in early 2.5
    we'd have a much less messy ACC architecture by now.  
    
    > It has many nice properties, but is much more invasive to the 
    > kernel. I think it is a very interesting idea for 2.7, and should be 
    > floated past the maintainers who will be impacted to see if it has a 
    > hope in hell.
    
    *nod* and until we get that gets implemented we should remove the current
    mess..
    
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