Alexander Volkov ec7e2b54c5 Xext/shm: Refuse to work for remote clients
Avoid access to System V shared memory segment on the X server side
for clients forwarded via SSH. Also prevent them from hanging while
waiting for the reply from the ShmCreateSegment request.

v2: Allow ShmQueryVersion request even for remote clients

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=11080
Signed-off-by: Alexander Volkov <a.volkov@rusbitech.ru>
Reviewed-by: Adam Jackson <ajax@redhat.com>
2018-06-14 12:35:09 -04:00
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2017-10-10 23:33:34 +02:00
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					X Server

The X server accepts requests from client applications to create windows,
which are (normally rectangular) "virtual screens" that the client program
can draw into.

Windows are then composed on the actual screen by the X server
(or by a separate composite manager) as directed by the window manager,
which usually communicates with the user via graphical controls such as buttons
and draggable titlebars and borders.

For a comprehensive overview of X Server and X Window System, consult the
following article:
https://en.wikipedia.org/wiki/X_server

All questions regarding this software should be directed at the
Xorg mailing list:

        https://lists.freedesktop.org/mailman/listinfo/xorg

Please submit bug reports to the Xorg bugzilla:

        https://bugs.freedesktop.org/enter_bug.cgi?product=xorg

The master development code repository can be found at:

        git://anongit.freedesktop.org/git/xorg/xserver

        https://cgit.freedesktop.org/xorg/xserver

For patch submission instructions, see:

	https://www.x.org/wiki/Development/Documentation/SubmittingPatches

For more information on the git code manager, see:

        https://wiki.x.org/wiki/GitPage

As with other projects hosted on freedesktop.org, X.Org follows its
Code of Conduct, based on the Contributor Covenant. Please conduct
yourself in a respectful and civilized manner when using the above
mailing lists, bug trackers, etc:

	https://www.freedesktop.org/wiki/CodeOfConduct
Description
Truly free fork of the XOrg project.
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