[Bug 1324183] Re: [enhancement] FD passing for unity-system-compositor

Dan Streetman 1324183 at bugs.launchpad.net
Wed Jun 30 19:11:48 UTC 2021


** Changed in: systemd (Ubuntu)
       Status: Triaged => Invalid

** Changed in: systemd
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1324183

Title:
  [enhancement] FD passing for unity-system-compositor

Status in Light Display Manager:
  New
Status in systemd:
  Invalid
Status in Unity System Compositor:
  Triaged
Status in lightdm package in Ubuntu:
  Triaged
Status in systemd package in Ubuntu:
  Invalid
Status in unity-system-compositor package in Ubuntu:
  Triaged
Status in unity8 package in Ubuntu:
  Triaged

Bug description:
  Here's the global bug for FD passing from unity-system-compositor to
  unity8 rather than having a socket file.

  The general flow would be:
  *) LightDM gets a client socket from USC
  *) LightDM sends that fd to logind as a part of the session description (instead of X server number)
  *) unity8 pulls the fd from logind on startup

  This then needs an apparmour profile so that dbus denies access to the
  system-compositor fd from everything that's not unity.

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