Messages in this thread | | | Date | Sun, 30 Nov 2014 18:17:46 +0100 | Subject | Re: kdbus: add documentation | From | David Herrmann <> |
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Hi
On Sun, Nov 30, 2014 at 9:56 AM, Florian Weimer <fw@deneb.enyo.de> wrote: > * Greg Kroah-Hartman: > >> +The focus of this document is an overview of the low-level, native kernel D-Bus >> +transport called kdbus. Kdbus exposes its functionality via files in a >> +filesystem called 'kdbusfs'. All communication between processes takes place >> +via ioctls on files exposed through the mount point of a kdbusfs. The default >> +mount point of kdbusfs is /sys/fs/kdbus. > > Does this mean the bus does not enforce the correctness of the D-Bus > introspection metadata? That's really unfortunate. Classic D-Bus > does not do this, either, and combined with the variety of approaches > used to implement D-Bus endpoints, it makes it really difficult to > figure out what D-Bus services, exactly, a process provides.
kdbus operates on the transport-level only. We never touch or look at transferred data. As such, DBus introspection data as defined by org.freedesktop.DBus.Introspectable is not verified by the transport layer.
Thanks David
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