X2Go Bug report logs - #1349
x2goclient not connecting after upgrade

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Package: x2goclient; Maintainer for x2goclient is X2Go Developers <x2go-dev@lists.x2go.org>; Source for x2goclient is src:x2goclient.

Reported by: Javier Almasoft <javier.almasoft@gmail.com>

Date: Mon, 26 Nov 2018 07:55:02 UTC

Severity: normal

Found in version 4.1.2.1-3

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Report forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#1349; Package x2goclient. (Mon, 26 Nov 2018 07:55:02 GMT) Full text and rfc822 format available.

Acknowledgement sent to Javier Almasoft <javier.almasoft@gmail.com>:
New Bug report received and forwarded. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Mon, 26 Nov 2018 07:55:02 GMT) Full text and rfc822 format available.

Message #5 received at submit@bugs.x2go.org (full text, mbox):

From: Javier Almasoft <javier.almasoft@gmail.com>
To: submit@bugs.x2go.org
Subject: x2goclient not connecting after upgrade
Date: Mon, 26 Nov 2018 08:52:15 +0100
[Message part 1 (text/plain, inline)]
Package: x2goclient
Version: 4.1.2.1-3
x2goclient fails to connect to a working xgoserver, no matter the
server version.

The client machine is Archlinux 64, upgraded to the latest  version
(as of yesterday).

I have downloaded and compiled from git the x2goclient sourcecode, but
this compiled version don't work
either.

This is the log generated by x2goclient:

---------------------------------------------------------------------------------------------
Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de>
Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com)

NXCOMP, NX protocol compression and NX extensions to this software
are copyright of the aforementioned persons and companies.

Redistribution and use of the present software is allowed according
to terms specified in the file LICENSE.nxcomp which comes in the
source distribution.

All rights reserved.

NOTE: This software has received contributions from various other
contributors, only the core maintainers and supporters are listed as
copyright holders. Please contact us, if you feel you should be listed
as copyright holder, as well.

NX protocol compression is derived from DXPC project.

Copyright (c) 1995,1996 Brian Pane
Copyright (c) 1996,1997 Zachary Vonler and Brian Pane
Copyright (c) 1999 Kevin Vigor and Brian Pane
Copyright (c) 2000,2003 Gian Filippo Pinzari and Brian Pane

All rights reserved.

See https://github.com/ArcticaProject/nx-libs for more information.

Info: Proxy running in server mode with pid '14626'.
Session: Starting session at 'Fri Nov 23 13:26:45 2018'.
Info: Using errors file
'/home/xxxxx/.x2go/S-xxxxxxx-50-1542975996_stDLXDE_dp24/sessions'.
Info: Using stats file '/home/xxxxx/.x2go/S-50/stats'.
Loop: WARNING! Overriding auxiliary X11 port with new value '1'.
Warning: Overriding auxiliary X11 port with new value '1'.
Info: Using abstract X11 socket in kernel namespace for accessing DISPLAY=:0.
Info: Connecting to remote host 'localhost:31001'.
Info: Connected to remote proxy on FD#5.
Loop: PANIC! Parse error in remote options string 'SSH-2.0-OpenSSH_6.7p1 '.
Error: Parse error in remote options string 'SSH-2.0-OpenSSH_6.7p1 '.
Loop: PANIC! Failure negotiating the session in stage '7'.
Error: Failure negotiating the session in stage '7'.
Loop: PANIC! Wrong version or invalid session authentication cookie.
Error: Wrong version or invalid session authentication cookie.
Session: Terminating session at 'Fri Nov 23 13:26:45 2018'.


Versions of the relevant packages:

nx3-all 3.5.0-4
nxproxy 3.5.99.16-2
x2goclient 4.1.2.1-3
libssh 0.8.5-1
libssh2 1.8.0-3
openssh 7.9p1-1
qt4 4.8.7-26


I can ssh the remote machines without problem, and pyhoca-cli also
works correctly.


Greetings,
Javier Martínez
[Message part 2 (text/html, inline)]

Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#1349; Package x2goclient. (Thu, 03 Jan 2019 09:20:02 GMT) Full text and rfc822 format available.

Acknowledgement sent to uli42@gmx.de:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Thu, 03 Jan 2019 09:20:02 GMT) Full text and rfc822 format available.

Message #10 received at 1349@bugs.x2go.org (full text, mbox):

From: Ulrich Sibiller <ulrich.sibiller@gmail.com>
To: Javier Almasoft <javier.almasoft@gmail.com>, 1349@bugs.x2go.org
Subject: Re: [X2Go-Dev] Bug#1349: x2goclient not connecting after upgrade
Date: Thu, 3 Jan 2019 10:16:30 +0100
[Message part 1 (text/plain, inline)]
Hmm, looks like a bug in your client side libssh. Can you try to downgrade
it?

Uli

Am Do., 3. Jan. 2019, 08:28 hat Javier Almasoft <javier.almasoft@gmail.com>
geschrieben:

> Package: x2goclient
> Version: 4.1.2.1-3
> x2goclient fails to connect to a working xgoserver, no matter the server version.
>
> The client machine is Archlinux 64, upgraded to the latest  version (as of yesterday).
>
> I have downloaded and compiled from git the x2goclient sourcecode, but this compiled version don't work
> either.
>
> This is the log generated by x2goclient:
>
> ---------------------------------------------------------------------------------------------
> Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de>
> Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
> Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com)
>
> NXCOMP, NX protocol compression and NX extensions to this software
> are copyright of the aforementioned persons and companies.
>
> Redistribution and use of the present software is allowed according
> to terms specified in the file LICENSE.nxcomp which comes in the
> source distribution.
>
> All rights reserved.
>
> NOTE: This software has received contributions from various other
> contributors, only the core maintainers and supporters are listed as
> copyright holders. Please contact us, if you feel you should be listed
> as copyright holder, as well.
>
> NX protocol compression is derived from DXPC project.
>
> Copyright (c) 1995,1996 Brian Pane
> Copyright (c) 1996,1997 Zachary Vonler and Brian Pane
> Copyright (c) 1999 Kevin Vigor and Brian Pane
> Copyright (c) 2000,2003 Gian Filippo Pinzari and Brian Pane
>
> All rights reserved.
>
> See https://github.com/ArcticaProject/nx-libs for more information.
>
> Info: Proxy running in server mode with pid '14626'.
> Session: Starting session at 'Fri Nov 23 13:26:45 2018'.
> Info: Using errors file '/home/xxxxx/.x2go/S-xxxxxxx-50-1542975996_stDLXDE_dp24/sessions'.
> Info: Using stats file '/home/xxxxx/.x2go/S-50/stats'.
> Loop: WARNING! Overriding auxiliary X11 port with new value '1'.
> Warning: Overriding auxiliary X11 port with new value '1'.
> Info: Using abstract X11 socket in kernel namespace for accessing DISPLAY=:0.
> Info: Connecting to remote host 'localhost:31001'.
> Info: Connected to remote proxy on FD#5.
> Loop: PANIC! Parse error in remote options string 'SSH-2.0-OpenSSH_6.7p1 '.
> Error: Parse error in remote options string 'SSH-2.0-OpenSSH_6.7p1 '.
> Loop: PANIC! Failure negotiating the session in stage '7'.
> Error: Failure negotiating the session in stage '7'.
> Loop: PANIC! Wrong version or invalid session authentication cookie.
> Error: Wrong version or invalid session authentication cookie.
> Session: Terminating session at 'Fri Nov 23 13:26:45 2018'.
>
>
> Versions of the relevant packages:
>
> nx3-all 3.5.0-4
> nxproxy 3.5.99.16-2
> x2goclient 4.1.2.1-3
> libssh 0.8.5-1
> libssh2 1.8.0-3
> openssh 7.9p1-1
> qt4 4.8.7-26
>
>
> I can ssh the remote machines without problem, and pyhoca-cli also works correctly.
>
>
> Greetings,
> Javier Martínez
>
> _______________________________________________
> x2go-dev mailing list
> x2go-dev@lists.x2go.org
> https://lists.x2go.org/listinfo/x2go-dev
[Message part 2 (text/html, inline)]

Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#1349; Package x2goclient. (Fri, 18 Jan 2019 08:45:02 GMT) Full text and rfc822 format available.

Acknowledgement sent to Javier Almasoft <javier.almasoft@gmail.com>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Fri, 18 Jan 2019 08:45:02 GMT) Full text and rfc822 format available.

Message #15 received at 1349@bugs.x2go.org (full text, mbox):

From: Javier Almasoft <javier.almasoft@gmail.com>
To: 1349@bugs.x2go.org
Subject: Fwd: [X2Go-Dev] Bug#1349: x2goclient not connecting after upgrade
Date: Fri, 18 Jan 2019 09:41:14 +0100
[Message part 1 (text/plain, inline)]
From: Javier Almasoft <javier.almasoft@gmail.com>
Date: jue., 10 ene. 2019 a las 10:25
Subject: Re: [X2Go-Dev] Bug#1349: x2goclient not connecting after upgrade

I did a bit of testing today, and managed to set it running. I happen to
have a non-standard port declared as default for ssh connections in my
.ssh/config file, in the form:

Host *
Port NNNNN

at the end of the file, because I have the custom of setting my installed
servers apart from the default 22, to minimize attacks from port scanners.
And not all my remote machines are declared in the config file, so this
line takes care of the forgotten ones. If I comment out that line,
x2goclient works again, both connecting to the default port 22 or to a
non-standard port.

It didn't matter before if I was connecting to a standard setup in port 22,
or a custom one. It always choked at that line.

This line doesn't give problems in my ssh connections, though. Perhaps
there is a problem somewhere in the parsing of the ssh config file? Where
should I report that?

Thanks for taking your time in answering (and motivating me in digging more
on this... ;-) ). It was really a nuisance, i use x2go in a lot if machines.






-- 
Un saludo,
Javier Martínez
ALMASOFT, S.L.
[Message part 2 (text/html, inline)]

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