Re: SNARE

From: jmjonesat_private
Date: Wed Nov 07 2001 - 13:59:59 PST

  • Next message: Chris Wright: "[PATCH] no longer export capability_ops and nproc_ops"

    On Wed, 7 Nov 2001, Casey Schaufler wrote:
    
    > I'll pass on information should I receive any.
    
    Thanks.  Since this is more our "area", any data is appreciated.
    
    > Sure, but so does Abba. (Political Retort. Meant in fun. Abba is
    > a Swedish vocal group from the disco era)
    
    Actually, I like ABBA very much. :)  I miss the 70s. :) 
    
    Herein, though, I'm convinced that the whole "thrust" of LSM has been to
    provide a common module interface to a limitted number of projects that
    are only really interested in Access-Restriction... no more than ABBA was
    the "final solution for MUSIC."  I also believe that this was never
    clearly stated, but, rather, it has been IMPLIED by the decisions made
    about inclusion/exclusion.  My recent questions about the definition of
    "Access Control" have been aimed at defining it locally. What I get are
    references to general AC documents which are not totally, but ARE
    partially, addressed by the LSM patch.  LSM is access-restrictive,
    relative to the Linux Kernel's pre-existing access control methods... not
    a bad thing, but not what I expected from a General Purpose Security
    Interface.  My mistake. 
    
    I also think it's important for LSM to narrow its "field of interest" for
    the SALE for kernel inclusion.  Argue what you actually DO, not some
    political position you exposited to open the field for help from Open
    Software sources.  I also think it would be much more salable if it just
    claimed what it does: access-restriction in the context of currently
    imposed security.  It's not a bad or embarassing thing.  Argue anything
    else, and LSM opens itself to questions it can not answer... some of which
    you have stated.
    
    The advantage will be to other projects, possibly like that one stated,
    which pursue other functionality. 
    
    So far, the LSM patch does NOT inhibit OUR solution, and in some ways it
    actually benefits it.  I'm very concerned that the idea of the "S" in LSM
    being interpretted as "TOTAL SECURITY" may work counter other solutions in
    the Linux community.
    
    Statement of Belief: LSM provides a solid subset solution for Linux
    Security, but it is NOT a "general purpose security solution" for Linux.
    Nevertheless, it's a step forward.  Greg K-H has stated something similar
    to this before.
    
    I still hope it gets accepted, since one of our considerations for our
    patch-application is that it should be possible to load an LSM module and
    STILL benefit from our solution, and we're trying to avoid duplication.
    
    Sincerely, 
    J. Melvin Jones
    
    
    
    
    > 
    > -- 
    > 
    > Casey Schaufler				Manager, Trust Technology, SGI
    > caseyat_private				voice: 650.933.1634
    > casey_pat_private			Pager: 888.220.0607
    > 
    
    
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