x2go-dev January 2015

x2go-dev@lists.x2go.org

46 participants
246 discussions

[git repositories] New branching concept
by Mihai Moldovan 09 Mar '15

09 Mar '15

Hi, This information targets all users with commit privileges to the official x2go repositories. Coming up soon™, new branching policies will be in effect. TLDR: DO: - create feature branches as "feature/<name>" - comment on need for "bugfix/<name>" branches - rebase your feature branches against master - only send "pull requests" for your feature branches once they have been rebased - NO MERGE CONFLICTS! - send emails to git-admin(a)x2go.org for branch deletion, renaming or "pull requests" DON'T: - be afraid to make mistakes on your feature branches or ask - try to rebase or merge other branches into master (will be rejected) - try to delete branches (will be rejected) - try to rename branches (might leave you with a mess) Details: Historically, non-fast-forward (created by the rebase operation) and merge commits have been rejected on all branches. These restrictions will be loosened to allow committers more control over their branches and ease merging of pull requests. The new policies will allow non-fast-forwards and merge commits within feature branches. That means developers will be able to to rebase and merge other branches. In fact, committers will be required to rebase their feature branch against the master branch for pull requests. Requests with conflicts will not be merged. This new concept will not affect master and release/* branches. On these branches, rebases and merges will still be rejected. Feature branches should follow the template feature/<name> to ensure consistency with our current release/<version> release branches. The current branches will be accordingly renamed once the new policy is in effect. If you do see any benefit of a new branch type, like bugfix/<name> or bugfix/<version>, please let me know. We can then discuss policies regarding those. For now, please refrain from creating these branches. Please send an email to git-admin(a)x2go.org to initiate a pull request. Don't forget to mention the branch you want to have merged into master. The admin will review and then either merge or deny your request. This said, please try to refrain from uselessly rebasing your branches to delete mistakes or squish commits together, unless it really makes sense. Don't be afraid to be human. Commit early, commit often. Don't forge the history. For renaming and deletion of branches, please also contact git-admin(a)x2go.org. Creation is possible without former notification of git-admin, but please make sure to follow naming conventions as outlined in this email. The new policies will be effective once implemented and Mike#1 finishes the outstanding release of all components. Best Mihai

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Bug#625: Enabling Kerberos5 (GSSAPI) Auth deletes saved Putty Sessions
by Sterzinger, Benedikt 05 Mar '15

05 Mar '15

Package: x2goclient Version: 4.0.2.1 After establishing to a x2go server with GSSAPI auth enabled, all the sessions saved in putty are gone. We found this snippet in the source code (sshprocess.cpp): void SshProcess::rmPuttyReg(QString uuidStr) { QSettings st("HKEY_CURRENT_USER\\Software\\SimonTatham\\PuTTY\\Sessions", QSettings::NativeFormat); st.remove(uuidStr); st.sync(); } ... void SshProcess::slotSshProcFinished(int exitCode, QProcess::ExitStatus exitStatus) { normalExited=false; if (exitCode==0 && exitStatus==QProcess::NormalExit) normalExited=true; #ifdef DEBUG x2goDebug<<"ssh process exit code :"<<exitStatus; #endif #ifdef Q_OS_WIN if(masterCon->useKerberos()) { rmPuttyReg(procUuid); } #endif slotChannelClosed(this,procUuid); } Is this necessary? *********** Hinweis zur Datensicherheit Die Datenübertragung über das Internet erfolgt derzeit im Wesentlichen ungesichert. Die Vertraulichkeit sensibler, personenbezogener Daten gegenüber Dritten ist nicht gewährleistet. Es ist nicht ausgeschlossen, dass übermittelte Daten von Unbefugten zur Kenntnis genommen und eventuell sogar verfälscht werden. Falls Sie uns Informationen mit vertraulichem Inhalt und/oder personenbezogenen, sensiblen Daten per E-Mail zusenden wollen, empfehlen wir Ihnen, diese zu verschlüsseln. Bitte setzen Sie sich bzgl. der geeigneten Kryptotechnik mit uns in Verbindung. Wenn Sie Informationen unverschlüsselt per E-Mail an uns senden, erklären Sie sich mit der unverschlüsselten Beantwortung per E-Mail durch uns einverstanden. Falls Sie dies nicht wünschen, teilen Sie uns dies bitte mit. Sie erhalten die von Ihnen gewünschten Informationen dann auch gerne per Post oder Telefax übermittelt. Hinweis zu Vertraulich- und Rechtsverbindlichkeit Der Inhalt des erhaltenen E-Mails ist vertraulich zu behandeln und ausschließlich für den bezeichneten Adressaten bzw. dessen Vertreter bestimmt. Sollten Sie nicht der für unsere Nachricht vorgesehene Empfänger sein, so bitten wir Sie, sich mit dem Absender dieser E-Mail unverzüglich in Verbindung zu setzen, die empfangene E-Mail nebst etwaiger Anlagen aus Ihrem System zu löschen sowie ggf. existierende Ausdrucke zu vernichten. Wir machen darauf aufmerksam, dass der Inhalt dieser E-Mail nicht rechtsverbindlich ist, da über das Internet erstellte E-Mails leicht manipuliert oder unter falscher Absenderkennung erstellt werden können. Eine rechtsverbindliche Bestätigung erhalten Sie gerne auf Anfrage in schriftlicher Form. Eine Veröffentlichung, Vervielfältigung oder Weiterleitung des Inhaltes dieser E-Mail ist nur nach unserer vorherigen schriftlichen Einwilligung gestattet.

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Bug#765: Kex Error in X2Go client
by promox 04 Mar '15

04 Mar '15

Package: X2GO Client Version: 4.0.3.1 Hi, Before my server using ubuntu but now I am switching to centos. But when I connect to server using x2go. I got error message: kex error: no match for method server host key algo: server [ssh-rsa,ssh-dss], client [ecdas-sha2-nistp256]. Have anyway to fix that error?

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Bug#775: desktop sharing full screen usability issues
by Samo Dadela 03 Mar '15

03 Mar '15

Package: x2goclient (Windows 7 x86) Version: 4.0.3.0 [ Server: FC21 x64 ] Hi, Found x2go recently as an alternative to NoMachine NX (which is not usable for programming since jpg compression makes terminal windows unusable... and there are other issues like random hangups, etc). My use case is as follows: - connect to the existing desktop session in full screen (aka desktop sharing in x2go) - need grab keyboard when connected (example: alt-tab must switch between windows in the session, not between Windows on the client, ctrl-alt-left must switch to another desktop on the server, etc..) - be able to enter/exit fullscreen mode somehow - by using a hotkey, for example - be able to see the mouse cursor In other words... behave as though I was connected to the real desktop on the server. What I tried: 1) Specifying fullscreen in the Session preferences What happens: - I get a full screen windows, - there is no mouse cursor (the mouse works - I see the windows receiving focus) - When using alt-tab it switches between windows on the client (other combinations are also intercepted by Windows, not the desktop) 2) To make alt-tab work, I tried the instruction at http://www.terheyden.com/blog/?p=202 - (x2go client - getting Alt+Tab to work) by specifying -rootless and -keyhook (don't forget to change the path to VcXsrv.exe otherwise you can't use x2go client anymore without deleting the registry keys; this is an already know bug). What happens: - alt-tab works, other keys work (like ctrl-alt-left to switch desktops) - still no mouse cursor (even tried -swcursor but it doesn't help) - can't enter/exit full screen... it seems that the combinations ctrl-alt-f are now passed to the server 3) BTW, tried pyhoca too - but it complains that it needs server 4.1 for desktop sharing ;( Maybe the above (apart from the mouse cursor) are not bugs but just the way things work... What I would like: - changing x2goclient on Windows so that such functionality can be achieved by a few mouse clicks (add a grab keyboard option, define 'exit x2go' hotkey,...) or... if this is too much work - some instruction on how to achieve the functionality mentioned above (add it to the FAQ?) Next I saw some post claiming success using Xming... I'll give that a shot, but wouldn't it be better if x2go handled it by itself? Best regards, Samo

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Bug#510: ctrl-alt-f crashes x2go windows 7 client
by Rob MacLachlan 03 Mar '15

03 Mar '15

Package: x2go I'm running x2go win32 client, version 4.0.2.0. Similar behavior happened in 4.0.1.2. This with remote host running x2goversion x2goagent: 3.5.0.21 x2goserver: 4.0.1.13 x2goserver-extensions: 4.0.1.13 x2goserver-fmbindings: 4.0.1.13 x2goserver-xsession: 4.0.1.13 # Springdale linux 6.5 uname -a inux lov3.int.autonlab.org 2.6.32-431.17.1.el6.x86_64 #1 SMP Wed May 7 21:28:34 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux Whenever I type ctrl-alt-f, bad things happen. I understand this is supposed to switch full screen mode in the default shortcuts, but it doesn't actually successfully create a working full-screen setup (no keystrokes are recognized), and anyway the reason I'm typing ctrl-alt-f is to do "forward form" in EMACS. I would be fine with just changing the default shortcuts, but I haven't been able to figure out how to do that either. The wiki instructions on changing the shortcuts don't seem to work (maybe obsolete file location?). Rob

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Bug#776: nx-X11: Size of pointer 'server_support' used instead of size of its data
by Heinrich Schuchardt 10 Feb '15

10 Feb '15

package: nx-libs version: head In nx-libs/nx-X11/extras/Mesa/src/glx/x11/glxextensions.c the length of the zeroed memory is the length of the pointer (4 bytes in case of a 32bit system) not the length of the data the pointer points to (8 byte). static void __glXProcessServerString( const struct extension_info * ext, const char * server_string, unsigned char * server_support ) { unsigned base; unsigned len; (void) memset( server_support, 0, sizeof( server_support ) ); Furthermore the length of the memory area pointed to by server_support is defined in varying ways in the coding: #define __GL_EXT_BYTES ((__NUM_GL_EXTS + 7) / 8) unsigned char server_support[ __GL_EXT_BYTES ]; unsigned char server_support[8]; Currently __NUM_GL_EXTS = 123, so __GL_EXT_BYTES = 8. What is expected to happen if __GL_EXT_BYTES > 8 after defining six more values in the unamed (sic!) enum with the different bits? This questionable code was identified with cppcheck. http://cppcheck.sourceforge.net/ Best regards Heinrich Schuchardt

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Bug#563: packages broken
by A 05 Feb '15

05 Feb '15

Package: x2goserver Version: Since the wiki doesn't say, and I'm unable to install it - I don't know what version but I presume the latest? CentOS 5 Transaction Check Error: /usr/share/man/man3/Sys::Syslog.3pm.gz from install of perl-Sys-Syslog-0.27-1.el5.rf.i386 conflicts with file from package perl-5.8.8-41.el5.i386 Conversation in IRC: [08:42] <geppetto> it's a packaging problem … yum can't see file conflicts [08:42] <geppetto> the fedora policy is that if you have a file conflict you have to promote it to a real conflict [08:42] <geppetto> but that's not QA'd :( [08:43] <geppetto> don't use the .rf. repo? … use a newer perl from the .rf repo? [08:43] <geppetto> Maybe install an older version of perl-SysSylog from the .rf repo. … if that doesn't have file conflicts [08:48] <geppetto> Those packages are conflicting with the ones from your distro. … but using file conflicts

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Re: [X2Go-Dev] [X2Go-Project] Invitation
by Heinz-M. Graesing 02 Feb '15

02 Feb '15

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, I'm happy to announce that it will be possible for me to invite you (developers) to our first interactive online meeting next Thursday (2015-02-05) 4pm to 6pm. I'll need to leave my workplace an will have only a 3g connection. So as the most of us are already meet on on our IRC channel, I would suggest to meet there as a fall-back. I'll include a together.js instance inside the wiki pages too, but as this is not tested yet, the IRC channel #x2go should be the native communication base. The date is chosen to make it possible for mike#1 to be part of this meeting. Mike offered his help to get more information about the services he is/was running - so please prepare some questions! We should use this time wisely to learn about what is going on, what needs to be done and what remains - maybe - uncovered at the moment. So I really hope to meet you next Thursday - Thank you! Regards, Heinz -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUy3gjAAoJEKRUbBMT/NRx0n4P+wYSc0Fse9XsSkYM4yLYgd1s E5l4Fwqkaw4MjQGqlc+BEq0kN1VKC1z249EJzdBX3a8C6dO9maMh0xb5Gs9PfRKQ KPAJTRPs4i7xUAhX0cvq1geUhiNAHeFpYImUg3SKeDhOHXvRTqdUCSmsPpiDKFEp B1UBkjL3vEw0CapX+hcBr3hRUopa7RCCqay8bvkJHO6vIZ73p2ScOtI+vAI/NB5Y Zq1eYTf2+uJr7NVP5nyQrG8rDJbKT48TAx5Ci/PQDmBtea/Y4Tc7nAI7aii7SFxd bHZmSCKvr63i/mzFG6X2YFBTkjzLW7EurzUcIZjFwoHCoq19U1RoaHoqyDfrkpJp FSv0dDkbgoen9dSNcX2R9XniyhYLbi/cULFwwkUWHhFvKGVRf5MMp++kNTB82fQb L644zOSb35ziCBRzWWvA9fA181OB1N8PnlXIwBH0yE+j5Gc/7h0GVzLrHbtS2pph 057O7TiBPnFRz1OxBnLB9T3rgfjAi470kRatUyRAeXsf2RBczi+5B+IP2zdGIUBB z0mePoBFeikkJUyMKZX1LxEk51ExdDSqJeHQbwaCW8t5GoDlPQihZN4BeJPa8UCU 1LnbgN3VwzC92LJ4XT1J9Ut5mpunUexaEsKMQkRXMi6Dg+zXap6WOIskqMUWuaJz Uent2bdO1REtDTzv/+zs =5YPu -----END PGP SIGNATURE-----

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Bug#776: Re: Bug#776: nx-X11: Size of pointer 'server_support' used instead of size of its data
by Heinrich Schuchardt 01 Feb '15

01 Feb '15

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New build of X2Go Client for OS X: 4.0.3.1-20150131
by Clemens Lang 31 Jan '15

31 Jan '15

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi everyone, this is to announce a new OS X build of x2goclient. Note that the first build of X2Go Client 4.0.3.1 for OS X was 4.0.3.1-20150110. The changes are relative to that release. Changes since 4.0.3.1-20150110 are: - Update libssh from 0.6.3 to 0.6.4. This fixes CVE-2014-8132. According to [1], this did not affect x2goclient, because it does not use libssh's SSH server functionality. libssh 0.6.4 also added 4 features related to ECDSA keys. As in [1], we strongly encourage all users to update to this new build. The new build is available from http://code.x2go.org/releases/binary-macosx/x2goclient/releases/4.0.3.1/x2g… A detached PGP signature made with my key and checksums are available from http://code.x2go.org/releases/binary-macosx/x2goclient/releases/4.0.3.1/ The key is available via HTTPS from https://neverpanic.de/downloads/documents/0x4C6F6B99.asc Checksums for this build are MD5(x2goclient-4.0.3.1-20150131.dmg)= c9c86efb34db3caf1e2c307125e5cdd8 SHA1(x2goclient-4.0.3.1-20150131.dmg)= 3a4b5a6f9999ff2bbad85d45c57ece7291114f27 SHA256(x2goclient-4.0.3.1-20150131.dmg)= 69164fc60aaa7559f3036a848eee8c34e4a73c1b09bed35b3e2262f9207e0663 [1] http://permalink.gmane.org/gmane.linux.terminal-server.x2go.announce/146 Best regards, Clemens Lang -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUzPUaAAoJEOJsrXdMb2uZMpkP/0MUTuqbJ5exo+Hc1+GpWtOF C1NHg8JJVWW7wJA6O6P4kr2aNm4dD0/bs4Ui31ZwsXoh1ucYcRsWpjH6ihhhec4H iyU36haoWIYORE17enrBXGTsbMBO8yV+TguuWvRLc5Z0qY0kqPcT9WC6mMLIgY0P ycZgGZbMg2B6flNRQJkFkIyKwXmOEl/r+gceir7x2gx4ihWDb0wMgAz5OqFbs+uN h/BYRw2i8OTqIgOWVNxgi+bLZuLfUapjbLt0r09nZ/IgnJIeDgflHnd6GXNAYdeM gl0vHjrTBQdJ3b2BBdk4Pubns9zVI2TtYhxqi/Xr3aRSGDfFV+g5ugmrjEAKAJHU towy4UzHyr+yeGisP4Zw+wEM+cY11hIHAqjpuzCHR+gs3hDROZqOQ0AflMsjj3T3 Lm/l31KnSmwGUO1WplbbKPMiK1hW8VtnG244buB1It1LzeNOBIP+JdC6sx2a6nNJ TRWL4gbzQVbBoG0DLOezbKJcEnH6z/gUKPSxFsKlk0FF2PpZAwnWpI9p0elf8tnz T7n5TbryB+T+t5hH9aYrq/iFB6nfAj8aRBhURWWjKEQgmcXnu+KyxQEX5fFGwQz4 RAIF1bKjFVbfm4vatYneW3GxHENW4n8mgCxvLXmkW1/Ty/gvBCDtLsBnDCHzyyKU xNDZTzHYIQwv0Xu76GKA =FK+b -----END PGP SIGNATURE----- -- Clemens Lang MacPorts Developer

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x2go-dev January 2015