Re: [Bluez-devel] [DBUS Patch] Device Property

[Marcel Holtmann <marcel@holtmann.org>]

Hi Johan,

> > come up with some proposals. I have real clue, but we should have some
> > special rights for the current session user.
> 
> What do you mean by "current session user"?

the currently logged in user can modify settings etc. I think the D-Bus
speaks about at_console or something like that. The idea behind this is
that a local user can use the Bluetooth device, but a remote user can't.
For me that is enough for a default security.

> I'd propose essentially a two level system where you have a level which
> is allowed to do everything, and another one which only allows "normal
> user" operations. root and users belonging to the "bluetooth" (or
> "btadmin" or whatever) group would be on the "everyting allowed" level,
> while everyone else would be on the other.
> 
> Of course this doesn't mean that distributions couldn't replace the
> policy with a more flexible (and complex) one to suit their needs. I'm
> just proposing this to be the default that comes with bluez-utils.
> 
> Also, I don't think it makes sense for the default D-BUS policy (which
> comes with upstream with bluez-utils) to deny a normal user things that
> can anyway be done using libbluetooth directly (e.g. using the command
> line tools).

This will be done by the security settings inside the kernel. The
general rule was to allow all reads, but no writes to normal users.

Regards

Marcel




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