Re: [Bluez-devel] bluez dbus

[Marcel Holtmann <marcel@holtmann.org>]

Hi Aleksander,

> would someone please explain to me why does bluez support D-Bus? What 
> are the advantages by using dbus instead of simply linking and using the 
> bluez C library?

a C library has no concept of privilege separation. Every client would
have to be setuid-root since there are tasks that require root
privileges. Without a suid-root client, we would need a message passing
interface within hcid for these task. And guess what D-Bus is.

Also D-Bus provides bindings for almost every language and the license
for a Bluetooth client using D-Bus is no longer bound to the GPL.

Besides that are multiple technical reasons why D-Bus is the right
choice for a Bluetooth API.

Regards

Marcel



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