Re: oprofile / selinux / security_port_sid

From: James Morris
Date: Tue Mar 27 2007 - 10:12:35 EST


On Tue, 27 Mar 2007, Sami Farin wrote:

> On Tue, Mar 27, 2007 at 09:40:23 -0400, Stephen Smalley wrote:
> > On Tue, 2007-03-27 at 13:06 +0300, Sami Farin wrote:
> > > is there room for improvement in security_port_sid() ?
> >
> > Yes, lots of room. Also, it won't get called per-packet if you enable
> > secmark (echo 0 > /selinux/compat_net or boot with selinux_compat_net=0
> > or build with SECURITY_SELINUX_ENABLE_SECMARK_DEFAULT), although that
> > may require updating your policy.
>
> Hmm, test was done with
> CONFIG_NETWORK_SECMARK=y
> CONFIG_SECURITY_SELINUX_ENABLE_SECMARK_DEFAULT=y
> and /selinux/compat_net = 0

Even with this setting, you'll be hitting security_port_sid() via
connect(2) and bind(2). We need to fix it.



- James
--
James Morris
<jmorris@xxxxxxxxx>
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