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Date: Mon, 9 Jan 2006 20:43:31 -0500 (EST)
From: Igor Peshansky <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: Brett Serkez <techie AT serkez DOT net>
cc: cygwin AT cygwin DOT com
Subject: Re: ZoneAlarm Suite popen hang
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On Mon, 9 Jan 2006, Brett Serkez wrote:

> [snip]
> > It could also be that the script is assuming that ssh will close
> > stdin. Try adding a redirection of stdin from /dev/null as well
> > (i.e., use
> >
> > sh -c /usr/X11R6/bin/xauth -f /tmp/ssh-OrQEQQHWXE/xauthfile generate > 7..0.1:0.0 MIT-MAGIC-COOKIE-1 untrusted timeout 1200 2 > /dev/null < /dev/null
> >
> > ) and see if it helps.  If it does, the script is actually buggy, and
> > needs to be fixed.
>
> Well, this command is actually being constructed by ssh code and then
> executed via popen.  This would mean building my own ssh from scratch, I
> suppose  in order to figure this out, I might need to do this anyway.

Well, if you can find where ssh is invoked, you can also give it the "-n"
parameter, which would result in equivalent functionality.

> Just wanted to be clear on one point, that is this code executes
> fine with ZoneAlarm Pro or no ZoneAlarm, it only starts failing
> with ZoneAlarm Suite is installed which I'm thinking interfers with
> the pipe created by popen.
>
> I'll have to build ssh to see if this will clear the problem.

I doubt ZoneAlarm would affect pipes.  It might very possibly affect
sockets.
HTH,
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_	    pechtcha AT cs DOT nyu DOT edu | igor AT watson DOT ibm DOT com
ZZZzz /,`.-'`'    -.  ;-;;,_		Igor Peshansky, Ph.D. (name changed!)
     |,4-  ) )-,_. ,\ (  `'-'		old name: Igor Pechtchanski
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

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that!" -- Rostand, "Cyrano de Bergerac"


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