auditing kdbus service names

[Steve Grubb]

On Wednesday, August 12, 2015 10:48:10 PM Paul Moore wrote:
> On Wednesday, August 12, 2015 05:38:14 PM Steve Grubb wrote:
> > On Wednesday, August 12, 2015 08:40:34 AM Paul Moore wrote:
> > > Hello all,
> > > 
> > > I'm currently working on a set of LSM hooks for the new kdbus IPC
> > > mechanism
> > > and one of the things that I believe we will need to add is a new audit
> > > field for the kdbus service name (very similar to the old fashioned dbus
> > > service name).  I was thinking "kdbus_svc" for the field name, any
> > > objections?
> > 
> > What was used on the old dbus events?
> 
> The very generic "service" field name, see the "acquire_svc" example in the
> URL below.  I believe there is some value in picking a new field name since
> 1) the field name is too generic in my opinion and 2) kdbus != dbus.

In my book, they are the same. They are programs providing services on the 
bus. One thing I noticed in the dbus events is that there are a number of user 
controlled fields that are not escaped.

Call it kdbus_svc if you want, but log it untrusted.

Thanks,
-Steve