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    SubjectRe: [RFC][PATCH] Extended Attributes for Security Modules

    * frm "04/17/03 13:30:59 -0700" | sed '1,$s/^/* /'
    ** Stephen Smalley ( wrote:
    *> On Wed, 2003-04-16 at 18:02, richard offer wrote:
    *> > I can see your reasons for the single attribute (known quantity for
    *> > production systems), but think its better at this stage to experiment
    *> > with multiple attributes and see how people use them before forcing
    *> > everyone to a single standard. It allows small steps rather than force
    *> > everyone to make a single large one.
    *> Per-module attribute names create no incentive for the security module
    *> writers to provide a consistent API and guarantees a forked userland.
    * This is the core issue. Personally, I'd rather stick to simple strings
    * and per-module attributes rooted at a common point. This is simplest
    * for userspace tools. But the attribute namespace is effectively flat,
    * so it's a question of simplicity for locating the attributes. A simple
    * getxattr(2) vs. a listxattr(2) plus multiple getxattr(2). Unfortunately,
    * this points at a single standard name I think...

    Good point. Okay you've conviced me enough that while I don't agree more
    than 51%, I'm at least going to shut up until the next time.

    Would it make sense to have a single "backup/restore security label" tool
    that is distributed alongside LSM rather than relying on each module writer
    developing their own.

    * thanks,
    * -chris


    Richard Offer Technical Lead, Trust Technology, SGI
    "Specialization is for insects"

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