SSH Notes

[Thomas Chadwick]

>From: Harold L Hunt II <huntharo@msu.edu>
>Reply-To: cygwin-xfree@cygwin.com
>To: cygwin-xfree@cygwin.com
>Subject: SSH Notes
>Date: Thu, 03 Oct 2002 19:16:42 -0400

[snip]

>At the very least, we should patch the Cygwin release of openssh to assume 
>that DISPLAY=127.0.0.1:0.0 when DISPLAY is not defined in the environment.  
>That would make X11 tunnelling much much easier for 95% of our users and I 
>either can't see or I don't care about any pseduo-security hole that this 
>might open up.  (Hey, if SSH Secure Shell makes this assumption, then we 
>can too.)

Come to think of it, why can't we introduce a wrapper script (we could call 
it xssh) instead of patching ssh itself?  Here's my suggestion:

#!/bin/sh

if [ -n "$DISPLAY" ]
then
  echo "Error: In order to enable X11 forwarding the DISPLAY variable must 
be set"
  exit
fi

ssh -X $*


Or, alternatively:

if [ -n "$DISPLAY" ]
then
  export DISPLAY=127.0.0.1:0.0
fi

ssh -X $*


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