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Date: Mon, 27 Sep 2010 12:51:06 -0400 From: Eric Paris <eparis@...hat.com> To: Pablo Neira Ayuso <pablo@...filter.org> Cc: linux-kernel@...r.kernel.org, selinux@...ho.nsa.gov, netfilter-devel@...r.kernel.org, jmorris@...ei.org, sds@...ho.nsa.gov, jengelh@...ozas.de, paul.moore@...com, casey@...aufler-ca.com, linux-security-module@...r.kernel.org, netfilter@...r.kernel.org, mr.dash.four@...glemail.com Subject: Re: [PATCH 5/6] conntrack: export lsm context rather than internal secid via netlink On Mon, 2010-09-27 at 13:01 +0200, Pablo Neira Ayuso wrote: > On 24/09/10 22:45, Eric Paris wrote: > > @@ -172,4 +173,11 @@ enum ctattr_help { > > }; > > #define CTA_HELP_MAX (__CTA_HELP_MAX - 1) > > > > +enum ctattr_secctx { > > + CTA_SECCTX_UNSPEC, > > + CTA_SECCTX_NAME, > > + __CTA_SECCTX_MAX > > +}; > > +#define CTA_SECCTX_MAX (__CTA_SECCTX_MAX - 1) > > I guess that you have included this nest for consistency with CTA_HELP. > My question: do you think that we'll include more attributes in that > nest in the future? Otherwise, I would remove that nest and put > CTA_SECCTX_NAME in the first level, since the nest would increase the > message size. My initial thought was that you were right (and I did just copy the CTA_HELP implementation), but now I've decided that I like that nest. I have no idea what future representation an LSM might use. The only 2 LSMs that make sense to use this interface SELinux and SMACK both use a string, but I don't know why we have to limit it to that.... -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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