Re: MCS and default labels

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On Wed, 9 Sep 2009, Stephen Smalley <sds@xxxxxxxxxxxxx> wrote:
> > > > Secondly I don't see why a user is not able to discretionarily
> > > > specify his range outright when going via ssh just as he can with
> > > > roles.
> > >
> > > That's another artifact of the MLS model (label preservation /
> > > confinement).
> >
> > Unfortunately here I have no idea on what code should I look to remove
> > that artifact.
>
> I think it is just lack of support in sshd due to lack of interest in
> supporting it for MLS.  You could add it, but you'd need to make sure
> that it doesn't break the MLS behavior, as that is the one people care
> about.

If a user has a default range of A and they request a range of B then the same 
checks could be applied as for a runcon -l B operation when the source range 
was A.

How could that break anything?

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http://doc.coker.com.au/           My Documents Blog


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