From: Paul Moore <paul.moore@hp.com>
To: James Morris <jmorris@namei.org>
Cc: selinux@tycho.nsa.gov, linux-security-module@vger.kernel.org,
netdev@vger.kernel.org
Subject: Re: [RFC PATCH v6 15/16] cipso: Add support for native local labeling and fixup mapping names
Date: Wed, 1 Oct 2008 22:13:26 -0400 [thread overview]
Message-ID: <200810012213.26916.paul.moore@hp.com> (raw)
In-Reply-To: <alpine.LRH.1.10.0810020810570.12028@tundra.namei.org>
On Wednesday 01 October 2008 6:12:16 pm James Morris wrote:
> On Wed, 1 Oct 2008, Paul Moore wrote:
> > > ... and why specify zero filling? (Setting and testing that
> > > would be wasted cycles, if you enforced it).
> >
> > Better alignment within the IP option field, the goal being to try
> > and get the secid aligned on a 32bit boundary. However, it just
> > occurred to me that by adding the two octets of padding I've
> > actually pushed it out of alignment (I forgot about the obligatory
> > IP option type and length octets).
>
> I mean, why specify zero-filled rather than simply "unused" ?
Gotcha. Yes, "unused" or "reserved" would be much better but it is
kinda moot right now anyway since the Right Thing is to just remove the
padding entirely.
> > Man I hate IPv4 options, what a parsing nightmare ...
>
> It was all fixed with IPv6, right? :-)
That is what the brochure says :)
--
paul moore
linux @ hp
next prev parent reply other threads:[~2008-10-02 2:13 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-16 12:55 [RFC PATCH v6 00/16] Labeled networking patches for 2.6.28 Paul Moore
2008-09-16 12:55 ` [RFC PATCH v6 01/16] selinux: Cleanup the NetLabel glue code Paul Moore
2008-10-01 1:35 ` James Morris
2008-10-01 16:34 ` Paul Moore
2008-09-16 12:56 ` [RFC PATCH v6 02/16] selinux: Correctly handle IPv4 packets on IPv6 sockets in all cases Paul Moore
2008-10-01 1:36 ` James Morris
2008-10-01 16:37 ` Paul Moore
2008-09-16 12:56 ` [RFC PATCH v6 03/16] netlabel: Remove unneeded in-kernel API functions Paul Moore
2008-10-01 1:38 ` James Morris
2008-09-16 12:56 ` [RFC PATCH v6 04/16] selinux: Better local/forward check in selinux_ip_postroute() Paul Moore
2008-10-01 1:43 ` James Morris
2008-10-01 16:41 ` Paul Moore
2008-09-16 12:56 ` [RFC PATCH v6 05/16] selinux: Fix a problem in security_netlbl_sid_to_secattr() Paul Moore
2008-09-16 12:56 ` [RFC PATCH v6 06/16] selinux: Fix missing calls to netlbl_skbuff_err() Paul Moore
2008-09-16 12:56 ` [RFC PATCH v6 07/16] smack: " Paul Moore
2008-09-16 12:56 ` [RFC PATCH v6 08/16] netlabel: Replace protocol/NetLabel linking with refrerence counts Paul Moore
2008-10-01 9:01 ` James Morris
2008-09-16 12:56 ` [RFC PATCH v6 09/16] netlabel: Add a generic way to create ordered linked lists of network addrs Paul Moore
2008-10-01 9:09 ` James Morris
2008-09-16 12:56 ` [RFC PATCH v6 10/16] netlabel: Add network address selectors to the NetLabel/LSM domain mapping Paul Moore
2008-10-01 9:14 ` James Morris
2008-09-16 12:57 ` [RFC PATCH v6 11/16] netlabel: Add functionality to set the security attributes of a packet Paul Moore
2008-10-01 9:55 ` James Morris
2008-10-01 16:51 ` Paul Moore
2008-09-16 12:57 ` [RFC PATCH v6 12/16] selinux: Set socket NetLabel based on connection endpoint Paul Moore
2008-10-01 10:00 ` James Morris
2008-10-01 14:51 ` Joe Nall
2008-10-01 15:09 ` Paul Moore
2008-09-16 12:57 ` [RFC PATCH v6 13/16] selinux: Cache NetLabel secattrs in the socket's security struct Paul Moore
2008-09-16 12:57 ` [RFC PATCH v6 14/16] netlabel: Changes to the NetLabel security attributes to allow LSMs to pass full contexts Paul Moore
2008-09-16 12:57 ` [RFC PATCH v6 15/16] cipso: Add support for native local labeling and fixup mapping names Paul Moore
2008-10-01 10:09 ` James Morris
2008-10-01 17:05 ` Paul Moore
2008-10-01 22:12 ` James Morris
2008-10-02 2:13 ` Paul Moore [this message]
2008-09-16 12:57 ` [RFC PATCH v6 16/16] netlabel: Add configuration support for local labeling Paul Moore
2008-10-01 10:13 ` James Morris
2008-10-01 16:54 ` Paul Moore
2008-09-16 13:15 ` [RFC PATCH v6 00/16] Labeled networking patches for 2.6.28 Paul Moore
2008-09-17 4:01 ` Casey Schaufler
2008-10-01 1:34 ` James Morris
2008-10-01 16:24 ` Paul Moore
2008-10-01 22:14 ` James Morris
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