From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Serge E. Hallyn" Subject: Re: [RFC PATCH 2/2] cr: debug security_checkpoint_header and security_may_restart Date: Mon, 7 Sep 2009 23:12:21 -0500 Message-ID: <20090908041221.GB25161@us.ibm.com> References: <20090903222824.GB27377@us.ibm.com> <20090903222853.GA27556@us.ibm.com> <4AA0A3AE.9040106@schaufler-ca.com> <20090904134611.GA11508@us.ibm.com> <4AA55183.4020407@schaufler-ca.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <4AA55183.4020407@schaufler-ca.com> Sender: linux-security-module-owner@vger.kernel.org To: Casey Schaufler Cc: Oren Laadan , Linux Containers , linux-security-module@vger.kernel.org, SELinux List-Id: containers.vger.kernel.org Quoting Casey Schaufler (casey@schaufler-ca.com): > Serge E. Hallyn wrote: > > Quoting Casey Schaufler (casey@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