From: Eamon Walsh <ewalsh@tycho.nsa.gov>
To: "Christopher J. PeBenito" <cpebenito@tresys.com>
Cc: SELinux Mail List <selinux@tycho.nsa.gov>,
Stephen Smalley <sds@tycho.nsa.gov>,
Joshua Brindle <jbrindle@tresys.com>
Subject: Re: object class discovery userland
Date: Fri, 20 Apr 2007 12:54:51 -0400 [thread overview]
Message-ID: <4628F05B.7040309@tycho.nsa.gov> (raw)
In-Reply-To: <1177077717.15762.32.camel@sgc>
Christopher J. PeBenito wrote:
> 3. stop exporting class and perm indexes outside of the libraries. Then
> the reverse lookup wouldn't be needed. This would involve some
> overhauling of the libraries.
I don't think this is a good idea because of the disruption it would
cause with access vector processing (as passed to security_av_string()
and avc_has_perm()). How do you or together strings?
Why not just cache the numbers in the library, as Karl suggested, or
create a parallel "class_num" or "class_index" directory with numeric
nodes (perhaps renaming class to class_name).
class_num/perms/1
class_num/name
--
Eamon Walsh <ewalsh@tycho.nsa.gov>
National Security Agency
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next prev parent reply other threads:[~2007-04-20 16:54 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-20 14:01 object class discovery userland Christopher J. PeBenito
2007-04-20 14:04 ` Joshua Brindle
2007-04-20 14:17 ` Karl MacMillan
2007-04-20 14:23 ` Joshua Brindle
2007-04-20 14:22 ` Karl MacMillan
2007-04-20 14:27 ` Joshua Brindle
2007-04-20 14:58 ` KaiGai Kohei
2007-04-20 15:32 ` Christopher J. PeBenito
2007-04-20 16:54 ` Eamon Walsh [this message]
2007-04-20 17:02 ` Eamon Walsh
2007-04-20 17:19 ` Christopher J. PeBenito
2007-04-23 14:33 ` Stephen Smalley
2007-04-23 14:43 ` Joshua Brindle
2007-04-23 14:58 ` Stephen Smalley
2007-05-23 14:17 ` Christopher J. PeBenito
2007-05-23 18:51 ` Eamon Walsh
2007-05-24 23:46 ` Eamon Walsh
2007-05-24 23:55 ` Joshua Brindle
2007-05-25 0:00 ` Joshua Brindle
2007-05-25 21:10 ` Eamon Walsh
2007-05-25 22:36 ` Joshua Brindle
2007-05-29 17:50 ` Eamon Walsh
2007-05-29 18:36 ` Stephen Smalley
2007-05-29 18:24 ` Stephen Smalley
2007-05-29 19:17 ` Eamon Walsh
2007-05-30 2:20 ` KaiGai Kohei
2007-05-30 20:01 ` Eamon Walsh
2007-05-31 13:28 ` KaiGai Kohei
2007-06-01 17:18 ` Eamon Walsh
2007-05-29 18:19 ` Stephen Smalley
2007-05-29 19:06 ` Eamon Walsh
-- strict thread matches above, loose matches on Subject: below --
2007-04-23 16:33 Nick Nam
2007-04-23 16:36 Nick Nam
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