X2Go Bug report logs - #1035
capture x2goruncommand debug output for x2gofeature X2GO_XSESSION

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From: owner@bugs.x2go.org (X2Go Bug Tracking System)
Subject: Bug#1035 closed by Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
 (Re: [X2Go-Dev] Bug#1035: capture x2goruncommand debug output for
 x2gofeature X2GO_XSESSION)
Message-ID: <handler.1035.b1035.154283189011292.notifdone@bugs.x2go.org>
References: <20181121202340.Horde.a6V0o-rUiboXmoeuBtjnqn2@mail.das-netzwerkteam.de>
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Date: Wed, 21 Nov 2018 20:25:03 +0000
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This is an automatic notification regarding your Bug report
which was filed against the x2goserver package:

#1035: capture x2goruncommand debug output for x2gofeature X2GO_XSESSION

It has been closed by Mike Gabriel <mike.gabriel@das-netzwerkteam.de>.

Their explanation is attached below along with your original report.
If this explanation is unsatisfactory and you have not received a
better one in a separate message then please contact Mike Gabriel <mike.gabriel@das-netzwerkteam.de> by
replying to this email.


-- 
1035: http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1035
X2Go Bug Tracking System
Contact owner@bugs.x2go.org with problems

[Message part 2 (message/rfc822, inline)]

From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

To: Tor Perkins <x2go34@noid.net>, 1035@bugs.x2go.org

Subject: Re: [X2Go-Dev] Bug#1035: capture x2goruncommand debug output for x2gofeature X2GO_XSESSION

Date: Wed, 21 Nov 2018 20:23:40 +0000

[Message part 3 (text/plain, inline)]

Control: fixed -1 4.0.1.20
Control: close -1

Hi Tor,

On  Fr 13 Mai 2016 18:58:12 CEST, Tor Perkins wrote:

> Package: x2goserver
> Version: 4.0.1.19
> Tags: patch
>
>
> Hello,
>
> I had recently had a problem with my /etc/xprofile file that
> prevented session startup.  The details are not too important; it
> had to do with a difference of default shell (/bin/sh) being either
> /bin/dash or /bin/bash.
>
> After enabling the 'debug' loglevel on the server, I still had no
> helpful output indicating what the problem might be...
>
> I did some ferreting about and noticed that x2goruncommand was not
> capturing cmd output when using x2gofeature X2GO_XSESSION
> (/etc/x2go/Xsession).  The client side invocation of x2goruncommand
> (via sshlib) redirects remote command output to /dev/null, so it is
> also not preserved when using the client's --debug option...
>
> This small patch appends the missing output to an already existing
> debug file in x2goruncommand ($MESSAGE_FILE).  With this in place, I
> was able to see the "smoking gun":
>
>   cat ~/.x2go/C-user-50-1463156913_stD.Xclients_dp24/cmdoutput
>
>     exec /root/.Xclients
>     Loading profile from /etc/profile
>     Loading profile from /root/.profile
>     Loading profile from /etc/xprofile
>     /etc/xprofile: 14: Bad substitution        <--  whoop!
>
> The file is deleted (as before) if not at loglevel debug.
>
> Thanks for your consideration.
>
> - Tor

You may have missed it, as this bug never got closed. However, your  
patch became part of 4.0.1.20.

So closing this bug manually now. Thanks for your patch.

Mike
-- 

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[Message part 5 (message/rfc822, inline)]

From: Tor Perkins <x2go34@noid.net>

To: submit@bugs.x2go.org

Subject: capture x2goruncommand debug output for x2gofeature X2GO_XSESSION

Date: Fri, 13 May 2016 09:58:12 -0700

[Message part 6 (text/plain, inline)]

Package: x2goserver
Version: 4.0.1.19
Tags: patch


Hello,

I had recently had a problem with my /etc/xprofile file that
prevented session startup.  The details are not too important; it
had to do with a difference of default shell (/bin/sh) being either
/bin/dash or /bin/bash.

After enabling the 'debug' loglevel on the server, I still had no
helpful output indicating what the problem might be...

I did some ferreting about and noticed that x2goruncommand was not
capturing cmd output when using x2gofeature X2GO_XSESSION
(/etc/x2go/Xsession).  The client side invocation of x2goruncommand
(via sshlib) redirects remote command output to /dev/null, so it is
also not preserved when using the client's --debug option...

This small patch appends the missing output to an already existing
debug file in x2goruncommand ($MESSAGE_FILE).  With this in place, I
was able to see the "smoking gun":

  cat ~/.x2go/C-user-50-1463156913_stD.Xclients_dp24/cmdoutput

    exec /root/.Xclients
    Loading profile from /etc/profile
    Loading profile from /root/.profile
    Loading profile from /etc/xprofile
    /etc/xprofile: 14: Bad substitution        <--  whoop!

The file is deleted (as before) if not at loglevel debug.

Thanks for your consideration.

- Tor

[0001-capture-x2goruncommand-debug-output-for-x2gofeature-.patch (text/x-patch, attachment)]

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