New paths for Wayland sockets (Re: Enabling Android-style per application user ids)

[Matt Hoosier]

On Wed, Nov 8, 2017 at 2:16 AM, Pekka Paalanen <ppaalanen at gmail.com> wrote:
> On Tue, 7 Nov 2017 19:42:42 +0000
> Daniel Stone <daniel at fooishbar.org> wrote:
>
>> Hi,
>>
>> On 3 November 2017 at 07:33, Pekka Paalanen <ppaalanen at gmail.com> wrote:
>
>> > - when the current socket search fails, add one more place to look
>> >   in: /run/wayland/$WAYLAND_DISPLAY with the default "wayland-0" if
>> >   WAYLAND_DISPLAY is not set.
>>
>> NAK. It's a surprising change in behaviour which could catch people
>> who could reasonably expect other behaviour. It doesn't play well with
>> each session expecting to be able to create a socket called
>> 'wayland-0', which is separated by $XDG_RUNTIME_DIR being different
>> per session.
>
> Hi all,
>
> obviously the /run/wayland option would be most useful for systems that
> will only ever run a single graphical session at a time, in other words,
> appliances, maybe tablets and phones, but not traditional/desktop
> computers.
>
> For the record, I'd never have libwayland-server automatically create
> the /run/wayland socket.
>
> It seems concensus is turning towards supporting absolute paths in
> WAYLAND_DISPLAY, with the /run/wayland proposal being more
> controversial. As the latter can be trivially realized with the former,
> I think we have a conclusion: absolute path support is good.
>
> I would hope someone will resurrect the patch and send it, I can review
> it for one, I'd like another maintainer Reviewed-by on it as well, and
> please do explicitly post your Acked-by's for the patch.

Done; see https://lists.freedesktop.org/archives/wayland-devel/2017-November/035745.html
.

>
> If the /run/wayland proposal is still really wanted, it can be raised
> again after we have the absolute path support in WAYLAND_DISPLAY.
>
>
> Thanks,
> pq