Re: Other LSM modules (i.e. ACLs)

From: aleph1at_private
Date: Mon Apr 16 2001 - 15:05:47 PDT

  • Next message: Crispin Cowan: "Re: Other LSM modules (i.e. ACLs)"

    * Andrew Morgan (morganat_private) [010416 21:45]:
    > Note, capabilities (as defined by the POSIX.1e document) require
    > something method of storing capabilities in association with files. The
    > patches that I've written, as part of the linux-privs project, make use
    > of these same Extended Attributes.
    > 
    > When you say you are committed to supporting POSIX.1e capabilities, are
    > you saying to supporting the capability functionality that the kernel
    > currently supports, or "the POSIX.1e" capabilities?
    
    Without putting words in Crispin's mouth I understood that he is
    committed to support POSIX.1e capabilities (whether the spec or
    what is currently in the kernel) within the framework of a security
    module API that allows interested modules to interpose themselves
    during security relevant events.
    
    That does not mean the API will provide every possible service a
    security module may need, such as the storage of state. While a generic
    API for state storage would be a plus its independent of the API
    being proposed here (although the same folks may wish to work on it).
    
    For example, I can foresee a security module that sends its access
    control decisions, and maintains state, in a central authorization server
    available via the network. That does not mean we need to include a
    network authorization API on the work this group is proposing to
    accomplish.
    
    > Thanks
    > 
    > Andrew
    
    -- 
    Elias Levy
    SecurityFocus.com
    http://www.securityfocus.com/
    Si vis pacem, para bellum
    
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