openssh bugs - Mar 2004 - [Bug 827] RFE: Allow forwarding of Xprint servers if X11 forwarning is enabled

http://bugzilla.mindrot.org/show_bug.cgi?id=827

           Summary: RFE: Allow forwarding of Xprint servers if X11
                    forwarning is enabled
           Product: Portable OpenSSH
           Version: 3.8p1
          Platform: All
               URL: http://xprint.mozdev.org/docs/Xprint_FAQ.html#manual_xpr
                    int_forwarding_via_ssh
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Miscellaneous
        AssignedTo: openssh-bugs at mindrot.org
        ReportedBy: roland.mainz at nrubsig.org


RFE: Allow forwarding of Xprint servers ("Xprint" == "X11 print
system", e.g.
X11's print API) if X11 forwarning is enabled.

Right now there is only
http://xprint.mozdev.org/docs/Xprint_FAQ.html#manual_xprint_forwarding_via_ssh
which describes how ssh can do forwarding of Xprint servers manually. The idea
would be to integrate native support into ssh.

Possible implementation:
bug 815 ("RFE: sshd should be able to set environment variables defined by
the
client") will add support for passing environment variables from the ssh
client
to the ssh server. Based on that framework it would be possible to add the
Xprint support to the ssh-client side only (e.g. no server-side adjustments
required) via forwarding each Xprint server display connection listed in the
environment variable ${XPSERVERLIST} to the ssh server side (if X11 forwarding
is enabled) and pass a modified XPSERVERLIST env variable (each entry in that
env var contains a Xprint display reference to the forwarded connection) to the
sshd server.



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http://bugzilla.mindrot.org/show_bug.cgi?id=827





------- Additional Comments From roland.mainz at nrubsig.org  2004-03-31 05:07
-------
Another possible implementation would be to extend the current X11 display
forwarding support to allow forwarding of multiple X11 display connections (one
main display and one or more for the Xprint servers) and use that... but this
depends on the detail whether the ssh2 protocol support forwarding of more than
one X11 connection at the same time.



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