Vic Lee schrieb: > Hi, > > Sorry I sent this email to xorg-devel but I realized that this should be > a feature discussion, not yet a development discussion... So I resend it > here. > > Recently I want to implement XDMCP over SSH feature when doing my > project. I've done some research and understand that "XDMCP uses UDP > that natively cannot be tunnelled over SSH", however there's a > well-known workaound: > > LOCAL$ ssh -X REMOTE Xephyr :1 -query localhost > > which query XDMCP in a remote Xephyr, then to tunnel the Xephyr window > using X11 forwarding. However this is not working good enough for me > since (1) I don't want to ask users to install Xnest or Xephyr on SSH > server (2) Somehow the tunnelled Xephyr window won't recognize -parent > argument to embed into my app - it always create a top-level window; > well, this could be another bug but I don't want to waste my time > investigating on this, since now I came up with a better solution. > > I would like to implement a new binary, let's temporarily call it > "xdmcp-bin". It will fully implement the XDMCP protocol and talks to any > Display Manager; however, instead of creating a new X server like Xephyr > or Xnest does, it simply ask the Display Manager to connect to an > existing one (usually this is the X server that $DISPLAY is pointing to > - like any other X clients). > > So here comes the real thing. :) A typical XDMCP over SSH senario would > be: > > LOCAL$ Xephyr :1 (or even X :1, whatever that creates a new X server) > LOCAL$ export DISPLAY=:1 > LOCAL$ ssh -X REMOTE xdmcp-bin -query localhost > > What happen in the third line is that, "xdmcp-bin" runs on REMOTE, query > its Display Manager to create a new session and connect to "xdmcp-bin"'s > DISPLAY environment, which is a X11 tunnel that connects back to :1 at > LOCAL. You know what should happen next: we tunnel XDMCP session. > > I am totally new to X.org development. I would like to get your comments > before I get started with this new feature. >
It sounds a bit like nx or neatx, are you aware of this solutions ? re, wh _______________________________________________ xorg mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/xorg
