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From: Casey Schaufler <casey@schaufler-ca.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>, casey@schaufler-ca.com
Cc: Al Viro <viro@ftp.linux.org.uk>,
	torvalds@osdl.org, linux-security-module@vger.kernel.org,
	linux-kernel@vger.kernel.org, akpm@osdl.org, paul.moore@hp.com
Subject: Re: [PATCH] Version 4 (2.6.23-rc8-mm2) Smack: Simplified Mandatory Access Control Kernel
Date: Wed, 3 Oct 2007 14:06:13 -0700 (PDT)	[thread overview]
Message-ID: <384003.93417.qm@web36611.mail.mud.yahoo.com> (raw)
In-Reply-To: <20071003214045.72b6b9e0@the-village.bc.nu>


--- Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:

> > An embedded system that does not have user logins but that does
> > have applications that require separation, perhaps a moble communication
> > device with application download capability, is just one example
> > where the smack symlink implementation provides the required
> > function without requiring application support.
> 
> I don't see what is such a problem here. For your mobile example you'd
> give the application download side its own /tmp via mount.
> 
> Its actually better this is done in user space as its more flexible that
> way and can be tuned arbitarily to meet interesting or bizarre real world
> cases.

I admit to being impressed by the wide variety of mount options
currently available. In many cases this will be the best approach.
/tmp is a typical use for a smack symlink, but not the only one.


Casey Schaufler
casey@schaufler-ca.com

  reply	other threads:[~2007-10-03 21:06 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-03  4:45 [PATCH] Version 4 (2.6.23-rc8-mm2) Smack: Simplified Mandatory Access Control Kernel Casey Schaufler
2007-10-03  5:12 ` Al Viro
2007-10-03 17:21   ` Casey Schaufler
2007-10-03 17:52     ` Al Viro
2007-10-03 18:17       ` Alan Cox
2007-10-03 18:17         ` Al Viro
2007-10-03 20:21         ` Casey Schaufler
2007-10-03 20:40           ` Alan Cox
2007-10-03 21:06             ` Casey Schaufler [this message]
2007-10-03 19:51       ` Casey Schaufler
2007-10-03 20:57         ` Al Viro
2007-10-03 22:23           ` Casey Schaufler
2007-10-03 22:50             ` Al Viro
2007-10-04  0:42               ` Casey Schaufler
2007-10-03 12:19 ` Paul Moore

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