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From: Chris Wright <chrisw@osdl.org>
To: "Lorenzo Hernández García-Hierro" <lorenzo@gnu.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-security-module@wirex.com"
	<linux-security-module@wirex.com>
Subject: Re: [PATCH] sys_chroot() hook for additional chroot() jails enforcing
Date: Mon, 7 Feb 2005 14:34:27 -0800	[thread overview]
Message-ID: <20050207143427.B469@build.pdx.osdl.net> (raw)
In-Reply-To: <1107814610.3754.260.camel@localhost.localdomain>; from lorenzo@gnu.org on Mon, Feb 07, 2005 at 11:16:50PM +0100

* Lorenzo Hernández García-Hierro (lorenzo@gnu.org) wrote:
> Attached you can find a patch which adds a new hook for the sys_chroot()
> syscall, and makes us able to add additional enforcing and security
> checks by using the Linux Security Modules framework (ie. chdir
> enforcing, etc).

If you want to make a change like this, collapse the
capable(CAP_SYS_CHROOT) check behind this hook, no point having two
outcalls from same call site.  What logic do you expect to put behind
the chroot() hook?

thanks,
-chris
-- 
Linux Security Modules     http://lsm.immunix.org     http://lsm.bkbits.net

  reply	other threads:[~2005-02-07 22:34 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-02-07 22:16 [PATCH] sys_chroot() hook for additional chroot() jails enforcing Lorenzo Hernández García-Hierro
2005-02-07 22:34 ` Chris Wright [this message]
2005-02-08 14:42   ` Lorenzo Hernández García-Hierro
2005-02-07 22:50 ` Serge E. Hallyn
2005-02-07 23:41   ` Lorenzo Hernández García-Hierro

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