From: Matthieu Herrb <matthieu@openbsd.org>
Subject: Re: [new/wip] wayland/waypipe for ssh -X-like forwarding
To: Landry Breuil <landry@openbsd.org>
Cc: ports@openbsd.org
Date: Wed, 12 Nov 2025 13:44:04 +0000

On Tue, Nov 11, 2025 at 06:44:08PM +0100, Landry Breuil wrote:
> Le Fri, Nov 10, 2023 at 12:18:34PM +0100, Landry Breuil a écrit :
> > hi,
> > 
> > $waypipe -s /tmp/socket-local client
> > 
> > in a term and
> > 
> > $ssh -R /tmp/socket-remote:/tmp/socket-local -t localhost env XDG_RUNTIME_DIR=/tmp/run/1000 waypipe -s /tmp/socket-remote server -- foot
> > 
> > in another correctly spawns a foot window in the running wayland/sway version.
> 
> Two years later, same spot, but updated to the latest upstream, in the
> meantime it's been rewritten in rust but the C version is still
> available, so let's stick to it for now.
> 
> we're soon getting proper XDG_RUNTIME_DIR support, but with
> XDG_RUNTIME_DIR=/home/landry/.local/run/ in ~/.ssh/environment
> i've been able to 'waypipe ssh localhost foot' (sorry, only have one
> wayland-enabled laptop right now..) and the new wayland client is
> properly displayed over ssh.
> 
> more testing welcome.


when you run "ssh host command", setusercontext() is not called. So you
need to setup the XDG_RUNTIME_DIR in .ssh/environment (and set
PermitUserEnvironment yes in sshd_config...)  anyways. Unless
I'm missing an option to cause 'command' to be executed in a login
shell with ssh.

-- 
Matthieu Herrb