[Bug 1652282] Re: Xwayland not using XAUTHORITY, prevents root applications from connecting

[Daniel van Vugt]

Sounds like a fix is on the way:

https://gitlab.gnome.org/GNOME/mutter/merge_requests/626

** Bug watch added: gitlab.gnome.org/GNOME/mutter/issues #643
   https://gitlab.gnome.org/GNOME/mutter/issues/643

** Also affects: mutter via
   https://gitlab.gnome.org/GNOME/mutter/issues/643
   Importance: Unknown
       Status: Unknown

** Tags removed: artful yakkety

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https://bugs.launchpad.net/bugs/1652282

Title:
  Xwayland not using XAUTHORITY, prevents root applications from
  connecting

Status in gdm:
  Expired
Status in GParted:
  Fix Released
Status in Mutter:
  Unknown
Status in Ubuntu GNOME:
  Invalid
Status in gdm3 package in Ubuntu:
  Confirmed
Status in gnome-shell package in Ubuntu:
  Invalid
Status in gparted package in Ubuntu:
  Invalid
Status in mutter package in Ubuntu:
  Confirmed

Bug description:
  When running wayland, GDM fails to set up an XAUTHORITY file and instead
  relies on the process UID for authentication.  This prevents
  applications run as root, like gparted or synaptic from connecting to
  the server.  GDM needs to set up the XAUTHORITY file when running
  Xwayland just like it does when it runs the conventional Xorg.

  A large list of applications broken by this can be found here:

  https://codesearch.debian.net/search?q=Exec%3Dsu-to-
  root+filetype%3Adesktop+path%3A*%2Fapplications%2F*&perpkg=1

  openSUSE handles this issue with this patch (from the changelog, it looks like they implemented this for their YaST settings app):
  https://build.opensuse.org/package/view_file/GNOME:Factory/mutter/mutter-xwayland-create-xauthority.patch?expand=1

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