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GTK+ Hackfest 2017: D-Bus communication with containers

Posted on 24/03/2017 by Simon McVittie

At the GTK+ Hackfest in London (which accidentally became mostly a Flatpak hackfest) I've mainly been looking into how to make D-Bus work better for app container technologies like Flatpak and Snap.

The initial motivating use cases are:

  • Portals: Portal authors need to be able to identify whether the container is being contacted by an uncontained process (running with the user's full privileges), or whether it is being contacted by a contained process (in a container created by Flatpak or Snap).

  • dconf: Currently, a contained app either has full read/write access to dconf, or no access. It should have read/write access to its own subtree of dconf configuration space, and no access to the rest.

After a lot of discussion with dconf maintainer Allison Lortie and Flatpak maintainer Alexander Larsson, I think I have a plan for fixing this.

Visit Simon's blog to continue reading!


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