[RFC PATCH 2/2] cr: debug security_checkpoint_header and security_may_restart

Serge E. Hallyn serue at us.ibm.com
Mon Sep 7 21:12:21 PDT 2009


Quoting Casey Schaufler (casey at schaufler-ca.com):
> Serge E. Hallyn wrote:
> > Quoting Casey Schaufler (casey at schaufler-ca.com):
> >   
> >> Serge E. Hallyn wrote:
> >>     
> >>> This patch, for debugging only, introduces a silly admin-controlled
> >>> 'policy version' for smack.  By default the version is 1.  An
> >>> admin (with CAP_MAC_ADMIN) can change it by echoing a new value
> >>> into /smack/version.
> >>>   
> >>>       
> >> The scheme you have suggested is just one step off of completely
> >> acceptable for real. More detail below, but if you make the "version"
> >> a string instead of a number I'm happy with it. In particular, a
> >> string that would itself be a valid Smack label makes everything
> >> really simple.
> >>     
> >
> > Presumably at many sites the version will be a unique string not
> > used as a label anywhere else.  That's ok?
> >
> >   
> >> It would take me a few days, but if you're not in a real hurry or
> >> you're lazier than I am (yeah, right) I could provide a patch that
> >> does it. Or, if I haven't been completely incomprehensible, you
> >> could do a revision.
> >>     
> >
> > Heh, I'm in no hurry.  I'll mark this to do midway next week, if
> > you haven't gotten around to it first.  Thanks!
> >   
> 
> 
> I hate to be a bother, but what tree are you basing these patches on?
> Suspect that I missed a round of patches along the way, and can't apply
> the ones I do have.

Sorry, the c/r tree is at:

git://git.ncl.cs.columbia.edu/pub/git/linux-cr.git

-serge


More information about the Containers mailing list