X2Go Bug report logs - #644
x2goserver : The $SSH_CLIENT environment variable is not set

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Package: x2goserver; Maintainer for x2goserver is X2Go Developers <x2go-dev@lists.x2go.org>; Source for x2goserver is src:x2goserver.

Reported by: Office NextITLevel GmbH <office@nextitlevel.de>

Date: Fri, 17 Oct 2014 15:30:02 UTC

Severity: normal

Tags: pending

Fixed in version 4.0.1.19

Done: X2Go Release Manager <git-admin@x2go.org>

Bug is archived. No further changes may be made.

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Report forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#644; Package <x2goserver>. (Fri, 17 Oct 2014 15:30:02 GMT) (full text, mbox, link).


Acknowledgement sent to Office NextITLevel GmbH <office@nextitlevel.de>:
New Bug report received and forwarded. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>.

Your message had a Version: pseudo-header with an invalid package version:

<4.0.1.18-0x2go1+git20141006.949+wheezy.main.1>

please either use found or fixed to the control server with a correct version, or reply to this report indicating the correct version so the maintainer (or someone else) can correct it for you.

(Fri, 17 Oct 2014 15:30:02 GMT) (full text, mbox, link).


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

From: Office NextITLevel GmbH <office@nextitlevel.de>
To: "submit@bugs.x2go.org" <submit@bugs.x2go.org>
Subject: x2goserver : The $SSH_CLIENT environment variable is not set
Date: Fri, 17 Oct 2014 15:24:49 +0000
[Message part 1 (text/plain, inline)]
Package: <x2goserver>
Version: <4.0.1.18-0x2go1+git20141006.949+wheezy.main.1>

$ uname -a
Linux n-ostack-test 3.2.0-4-amd64 #1 SMP Debian 3.2.60-1+deb7u3 x86_64 GNU/Linuxlibc6:armhf          2.13-38+rpi2+de 
 x2goagent                             2:3.5.0.27-0x2go1+git20140701.511+wheezy.main.1

--

Dear X2go Team,

For some reason the SSH_CLIENT environment variable is not set by the ssh-connection.

I looks to me that a newer ssh server on debian does not set the SSH_CLIENT variable anymore.
This variable is needed by x2gostartagent script and later by the x2goserver.
I added manually the variable to the /usr/bin/x2goagent script by adding these lines:
set -- $SSH_CONNECTION
SSH_CLIENT="$1 $2 $4"
export SSH_CLIENT
---
But still the x2goserver did not start.  Here is the output from the client side (Raspberry PI):
$ x2goclient --session=lokal
ONMainWindow constructor

primary screen geometry:  QRect(0,0 3200x1080)
ONMainWindows constructor finished, home Directory is: "/home/fraroot"

read  3  sessions from config file
start new ssh connection to server: "192.168.1.6" : "22" krb:  false

ssh connection ok

continue normal x2go session

executing remote command:  "sh -c "export HOSTNAME && x2golistsessions""

"x2gostartagent 1440x900 adsl 16m-jpeg-9 unix-kde-depth_24 de pc105/de 1 D LXDE"

executing remote command:  "sh -c "x2gostartagent 1440x900 adsl 16m-jpeg-9 unix-kde-depth_24 de pc105/de 1 D LXDE""

Agent output: "The $SSH_CLIENT environment variable is not set. Aborting session startup.
"
Bus-Zugriffsfehler
------------

The new environment variable is $SSH_CONNECTION and the environment variable $SSH_CLIENT will be gone
in future ssh releases.

I did set the variable in /etc/profile and in /usr/bin/x2goagent, but it did not help.
Attached you find all the output and details about this environment.  

Thank you very much and have a nice day,
Franz Lückl

Mobil DE:                +49 152 3437 5620
Mobil AT:                +43 676 37 00 299
Mobiles Festnetz:    +49 69 3487 8985
Fax:                     +43 1 89 00 2999

mailto:franz@nextitlevel.de 
Internet Home Page:  http://www.nextitlevel.de


[x2goclient-error2.txt (text/plain, attachment)]

Bug reassigned from package '&lt;x2goserver&gt;' to 'x2goserver'. Request was from Mike Gabriel <mike.gabriel@das-netzwerkteam.de> to control@bugs.x2go.org. (Wed, 05 Nov 2014 11:27:56 GMT) (full text, mbox, link).


Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#644; Package x2goserver. (Mon, 26 Jan 2015 18:55:01 GMT) (full text, mbox, link).


Acknowledgement sent to Heinrich Schuchardt <xypron.glpk@gmx.de>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Mon, 26 Jan 2015 18:55:02 GMT) (full text, mbox, link).


Message #12 received at 644@bugs.x2go.org (full text, mbox, reply):

From: Heinrich Schuchardt <xypron.glpk@gmx.de>
To: 644@bugs.x2go.org
Subject: Re: x2goserver : The $SSH_CLIENT environment variable is not set
Date: Mon, 26 Jan 2015 19:46:02 +0100
Hello Franz,

In #628 you wrote
> But when I say
> # apt-get download x2goclient
> I get  x2goclient_3.99.2.1-5_armhf.deb
> And this version makes a lot of problems with an X2goserver 4.0.1.16.

It remains unclear in #644 if you are still trying to use client
3.99.2.1-5_armhf.deb.

Please, provide both for x2goserver and x2goclient the version, the
architecture, the Linux distribution, and the apt repository you are using.

Best regards

Heinrich Schuchardt


Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#644; Package x2goserver. (Thu, 05 Feb 2015 11:20:02 GMT) (full text, mbox, link).


Acknowledgement sent to Mike Gabriel <mike.gabriel@das-netzwerkteam.de>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Thu, 05 Feb 2015 11:20:02 GMT) (full text, mbox, link).


Message #17 received at 644@bugs.x2go.org (full text, mbox, reply):

From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: 644-submitter@bugs.x2go.org
Cc: control@bugs.x2go.org, 644@bugs.x2go.org
Subject: X2Go issue (in src:x2goserver) has been marked as pending for release
Date: Thu, 5 Feb 2015 12:15:04 +0100 (CET)
tag #644 pending
fixed #644 4.0.1.19
thanks

Hello,

X2Go issue #644 (src:x2goserver) reported by you has been
fixed in X2Go Git. You can see the changelog below, and you can
check the diff of the fix at:

    http://code.x2go.org/gitweb?p=x2goserver.git;a=commitdiff;h=b0ee871

The issue will most likely be fixed in src:x2goserver (4.0.1.19).

light+love
X2Go Git Admin (on behalf of the sender of this mail)

---
commit b0ee871a4a710cf33f54e058e41f61ceaf358f64
Author: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Date:   Thu Feb 5 12:14:22 2015 +0100

    Legacy for applications (and X2Go scripts) that expect $SSH_CLIENT to be set in the X2Go session's environment. (Fixes: #644).

diff --git a/debian/changelog b/debian/changelog
index 25b004c..1839221 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -69,6 +69,8 @@ x2goserver (4.0.1.19-0x2go1) UNRELEASED; urgency=medium
       SLE 11.x.
     - Only call $dbh->sqlite_busy_timeout() if the $dbh object is capable of
       that. Works around a too-old DBD::SQLite package on SLE 11.x.
+    - Legacy for applications (and X2Go scripts) that expect $SSH_CLIENT to be
+      set in the X2Go session's environment. (Fixes: #644).
   * debian/control:
     + Add D (x2goserver): libfile-which-perl.
     + Add C (x2goserver: x2godesktopsharing (<< 3.1.1.2-0~). (Fixes: #700).


Added tag(s) pending. Request was from Mike Gabriel <mike.gabriel@das-netzwerkteam.de> to control@bugs.x2go.org. (Thu, 05 Feb 2015 11:20:03 GMT) (full text, mbox, link).


Marked as fixed in versions 4.0.1.19. Request was from Mike Gabriel <mike.gabriel@das-netzwerkteam.de> to control@bugs.x2go.org. (Thu, 05 Feb 2015 11:20:03 GMT) (full text, mbox, link).


Message sent on to Office NextITLevel GmbH <office@nextitlevel.de>:
Bug#644. (Thu, 05 Feb 2015 11:20:03 GMT) (full text, mbox, link).


Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#644; Package x2goserver. (Tue, 24 Feb 2015 20:55:07 GMT) (full text, mbox, link).


Acknowledgement sent to X2Go Release Manager <git-admin@x2go.org>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Tue, 24 Feb 2015 20:55:08 GMT) (full text, mbox, link).


Message #29 received at 644@bugs.x2go.org (full text, mbox, reply):

From: X2Go Release Manager <git-admin@x2go.org>
To: 644-submitter@bugs.x2go.org
Cc: control@bugs.x2go.org, 644@bugs.x2go.org
Subject: X2Go issue (in src:x2goserver) has been marked as closed
Date: Tue, 24 Feb 2015 21:54:05 +0100 (CET)
close #644
thanks

Hello,

we are very hopeful that X2Go issue #644 reported by you
has been resolved in the new release (4.0.1.19) of the
X2Go source project »src:x2goserver«.

You can view the complete changelog entry of src:x2goserver (4.0.1.19)
below, and you can use the following link to view all the code changes
between this and the last release of src:x2goserver.

    http://code.x2go.org/gitweb?p=x2goserver.git;a=commitdiff;h=49c91751e560ad09ab4490cc3bd6687509c05755;hp=724d2eefe399485a71e79c705a0aad125e853230

If you feel that the issue has not been resolved satisfyingly, feel
free to reopen this bug report or submit a follow-up report with
further observations described based on the new released version
of src:x2goserver.

Thanks a lot for contributing to X2Go!!!

light+love
X2Go Git Admin (on behalf of the sender of this mail)

---
X2Go Component: src:x2goserver
Version: 4.0.1.19-0x2go1
Status: RELEASE
Date: Tue, 24 Feb 2015 21:49:22 +0100
Fixes: 405 632 633 638 644 664 668 671 672 675 676 678 697 698 700 712 715 727 728 770
Changes: 
 x2goserver (4.0.1.19-0x2go1) RELEASED; urgency=medium
 .
   [ Mike Gabriel ]
   * New upstream version (4.0.1.19):
     - Use File::Which to detect if sshfs command is available
       before trying to mount a client-side folder.
     - Be a bit more tolerant when trying to detect if a
       desktop icon is to be removed (using regexp, not
       eq).
     - Xsession script: Prevent bash failures when sourcing external bash
       scripts beyond our scope. (Fixes: #632, #675).
     - x2gogetapps: Support scanning of sub-directories when searching for
       .desktop files. We allow to dive down one level into subdirs, we on
       purpose do not recursively dive into the complete subtree. (Fixes: #633).
     - Make man2html an optional tool. Don't fail if it is missing on the
       build system (required for openSUSE/SLES builds).
     - Fix x2goserver-xsession/Makefile on SUSE. Detect SUSE distro and create
       Xsession related directory symlinks (xinitrc.d and Xclients.d).
     - Hack for x2goserver-xsession/Makefile during SUSE builds. If
       directoy /usr/share/doc/packages/brp-check-suse is present, the build env
       is also considered to be a SUSE system.
     - Trigger Xsession code for SUSE systems (look for /etc/SUSE-brand or
       /etc/SuSE-release for SUSE system recognition). (Fixes: #671).
     - x2gosqlitewrapper.c: Fix rpmlint error: no-return-in-nonvoid-function.
       Return the exitcode of execve().
     - Fix gramma in error message (in x2goresume-session).
     - x2gocleansessions: Call x2gormforward also on terminated sessions. This
       will make sure that re-assigned ports are really available on new session
       startup.
     - x2golistsessions(_root): Only update session state in session DB if
       x2goagent's state file really exists. This addresses a problem that occurs
       when x2golistsessions gets called via an x2gobroker-agent. The
       x2golistsessions script may show session states (--all-servers) of
       sessions on other servers that have session states files on their remote
       /tmp dirs. These files are not accessible for that x2golistsessions script
       and should simply be ignored. (Fixes: #638).
     - Provide pam_namespace support for has_agent_state_file() function.
     - Fix missing session list output if state file does not exist on the
       machine that runs x2golistsessions(_root).
     - Accept more verbose "DENY" output from x2godesktopsharing.
     - Make sure that all "su"-to-user-contexts use /bin/sh for wrapping around
       the executed command (in x2gocleansessions and x2golistsessions_root).
     - Also enforce /bin/sh as shell in su command in x2goprint.
     - README.i18n: Add file that explains the translation workflow for
       this package. Thanks to Mark Pedersen-Cook for drafting this file.
     - Make SSH agent forwarding work after having reconnected via SSH and
       having resumed a session. (Fixes: #672). Thanks to Robert Siemer for
       coming up with that idea.
     - Fix cross-user X2Go Desktop Sharing after being broken by implementing
       clipboard mode feature (and probably other code changes).
     - Document session startup / resumption failures (and their reasons) in
       server-side log output.
     - Handle AD domain users gracefully when X2Go is used with SQLite DB
       backend. (Fixes: #664).
     - Improve sanitizer, use 'x2gosid' sanitizer for session IDs everywhere.
       Drop unused 'pnixusername' sanitizer in 4.0.1.x release of X2Go Server.
     - Allow usernames in session IDs of length 48 chars.
     - Start sshfs with a timeout of 30 seconds (because it never finishes if
       something is wrong with the client-side TCP socket). Also remove/unmount
       mountpoints erroneously registered sshfs mountpoints if sshfs command
       times out. Furthermore, print errors to STDERR (not STDOUT). (Fixes:
       #405).
     - Handle execution of ss command from Perl script x2golistdesktops in a way
       that not only works on Debian, but also on Fedora et al. (Fixes: #727).
     - Provide legacy support for old File::Path packages in x2godbadmin.
       (Fixes: #715).
     - Fix wrong evocation of x2gosyslog ("error" -> "err").
     - Use "undef $dbh" instead of "$dbh->disconnect()". Fixes SQLite3 issues on
       SLE 11.x.
     - Only call $dbh->sqlite_busy_timeout() if the $dbh object is capable of
       that. Works around a too-old DBD::SQLite package on SLE 11.x.
     - Legacy for applications (and X2Go scripts) that expect $SSH_CLIENT to be
       set in the X2Go session's environment. (Fixes: #644).
     - Add man page for x2gogetapps. Weave into that a security / disclaimer
       message as proposed by Stefan Baur. (Fixes: #728).
   * debian/control:
     + Add D (x2goserver): libfile-which-perl.
     + Add C (x2goserver: x2godesktopsharing (<< 3.1.1.2-0~). (Fixes: #700).
     + Bump Standards: to 3.9.6. No changes needed.
     + Don't depend on libdb-pg-perl for armhf builds. (Fixes: #712). Thanks to
       Heinrich Schuchardt for providing information on this.
     + Upgrade to D again (bin:package x2goserver): xfonts-base (Fixes: #770).
   * debian/x2goserver.docs:
     + Install README.i18n file into bin:package x2goserver.
   * x2goserver.spec:
     + Add to R: perl(File::Which).
     + Additionally adapt to building on openSUSE/SLES.
     + No shell expansion possible in obs-build, detect perl version only for
       non-SUSE builds.
     + Add to R: x2goserver-xsession.
     + Don't mention /etc/x2go/x2gosql/sql twice (directly and with wildcard).
     + No %{_sysconfdir}/x2go/Xclients.d on SUSE systems.
     + Use %{_localstatedir} instead of %{_sharedstatedir}.
     + Use proper if... then... clauses.
     + For SUSE builds: Add to R: shadow (useradd, groupadd).
     + Replace historical "egrep" with "grep -E".
     + Systemd support for SUSE >= 12.10.
     + Set %defattr macro for every bin:package.
     + SUSE and Fedora/RHEL have different package group names.
     + Add x2goserver-rpmlintrc file to handle some rpmlint errors and warnings.
     + SUSE has openssh, but no openssh-server.
     + Add to R (x2goserver): perl-X2Go-Server.
     + Add to R (diverse): perl(Config::Simple), perl(Switch) and
       perl(Capture::Tiny).
     + Add to R (x2goserver): perl(File::BaseDir).
     + Don't hard-code /var/lib/ in $HOME path of to-be-created user
       "x2gouser".
     + Add to BR: findutils.
     + For Fedora-like systems, don't make x2goserver bin:package authoritative
       for non-X2Go directories. (Fixes: #676).
     + Remove macro call %systemd_pre for Fedora/EPEL-7 builds. No such macro in
       Fedora/RHEL7. (Fixes: 698).
     + Create system user x2gouser with $HOME in /var/lib/x2go. (Fixes: #697).
     + Always set BuildRoot: parameter.
     + BuildRequires: SUSE <= 11.3 has xorg-x11, not xinit.
     + Requires (x2goserver-xsession): SUSE <= 11.3 has xorg-x11, not xinit.
     + No Bashisms in scriptlets.
     + rpmlint requires shared-mime-info at build time on SLE <= 11.3.
     + "%set_permissions" / "%verify_permissions" macros are not know in SLE <=
       11.3. Using "%run permissions" and "%verify permissions" instead.
     + On SUSE, add permissions.d/x2goserver.
     + Fix SQLite wrapper permissions (02775 -> 02755)
     + Use if then clauses for creating user/group x2goprint.
 .
   [ Matthew L. Dailey ]
   * New upstream version (4.0.1.19):
     - x2gocleansessions: Redirect stdin, stdout and stderr to /dev/null, test
       for the existence of the file descriptor before issuing the close,
       only capture the file descriptor backreference in the regex and
       send any close failures to syslog. (Fixes: #678).
 .
   [ Lars Wendler ]
   * New upstream version (4.0.1.19):
     - Use "printf" instead of "echo -n". (Fixes: #668).


Marked Bug as done Request was from X2Go Release Manager <git-admin@x2go.org> to control@bugs.x2go.org. (Tue, 24 Feb 2015 20:55:27 GMT) (full text, mbox, link).


Notification sent to Office NextITLevel GmbH <office@nextitlevel.de>:
Bug acknowledged by developer. (Tue, 24 Feb 2015 20:55:27 GMT) (full text, mbox, link).


Message sent on to Office NextITLevel GmbH <office@nextitlevel.de>:
Bug#644. (Tue, 24 Feb 2015 20:55:52 GMT) (full text, mbox, link).


Bug archived. Request was from Debbugs Internal Request <owner@bugs.x2go.org> to internal_control@bugs.x2go.org. (Wed, 25 Mar 2015 06:24:02 GMT) (full text, mbox, link).


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