x2go-dev January 2014

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by owner＠bugs.x2go.org 20 Jan '14

20 Jan '14

Processing commands for control(a)bugs.x2go.org: > retitle #332 handle session suspension/termination via x2gocleansessions Bug #332 [x2goserver] [X2Go-Dev] Bug#93: x2goagent should create /tmp/.X11-unix directory Changed Bug title to 'handle session suspension/termination via x2gocleansessions' from '[X2Go-Dev] Bug#93: x2goagent should create /tmp/.X11-unix directory' > severity #332 wishlist Bug #332 [x2goserver] handle session suspension/termination via x2gocleansessions Severity set to 'wishlist' from 'normal' > retitle #254 race condition in RPM init script Bug #254 [x2goserver] x2goserver (RPM issue) Changed Bug title to 'race condition in RPM init script' from 'x2goserver (RPM issue)' > tag #254 rpm-packages Bug #254 [x2goserver] race condition in RPM init script Added tag(s) rpm-packages. > thanks Stopping processing here. Please contact me if you need assistance. -- 254: http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=254 332: http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=332 X2Go Bug Tracking System Contact owner(a)bugs.x2go.org with problems

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Bug#404: X2Go issue (in src:x2goserver) has been marked as pending for release
by Mike Gabriel 20 Jan '14

20 Jan '14

tag #404 pending fixed #404 4.0.0.11 thanks Hello, X2Go issue #404 (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=1c6a955 The issue will most likely be fixed in src:x2goserver (4.0.0.11). light+love X2Go Git Admin (on behalf of the sender of this mail) --- commit 1c6a9558bc9cee73a3980d5c4aa5bb5b662834a2 Author: Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> Date: Mon Jan 20 13:52:44 2014 +0100 Use perl instead of sed for search+replace in session names sanitizing. (Fixes: #404). diff --git a/debian/changelog b/debian/changelog index f3096ee..62bb4af 100644 --- a/debian/changelog +++ b/debian/changelog @@ -1,6 +1,8 @@ x2goserver (4.0.0.11-0x2go1) UNRELEASED; urgency=low - * Continue development on LTS release branch... + * New upstream version (4.0.0.11): + - Use perl instead of sed for search+replace in session names sanitizing. + (Fixes: #404). -- Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> Tue, 07 Jan 2014 18:43:03 +0100

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libssh 0.6.0 -> new features for X2Go Client
by Mike Gabriel 15 Jan '14

15 Jan '14

Hi all, the libssh upstream developers released libssh 0.6.0rc1 some days ago [1]. Here is the list of new features that we hopefully find time and man power to cincorporate into X2Go Client: Added new publicy key API. Added new userauth API. Added gssapi-mic userauth. ^^^^^^^^^^ -> Kerberos based logins Added new callback based server API. Added Elliptic Curve DSA (ECDSA) support (with OpenSSL). Added Elliptic Curve Diffie Hellman (ECDH) support. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -> finally ECDSA support Added improved logging system. Added SSH-agent forwarding. ^^^^^^^^^^^^^^^^^^^^ -> PyHoca-GUI already has this and it is cool!!! Added key-reexchange. Improved documentation. Fixed timeout handling. Greets, Mike [1] http://www.libssh.org/2013/08/07/libssh-0-6-0rc1/ -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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replacing su calls in X2Go Server scripts with sudo (or ???)
by Mike Gabriel 14 Jan '14

14 Jan '14

Hi all, as those of you who have studied X2Go Server code probably have noticed, X2Go uses the su command quite intensively. The problem about su is that it invokes a subshell whenever it is called. Those subshells are quite difficult to handle without providing space for exploitation. As su is (in all cases) used to drop privileges from root to a normal user, my suggestion would be exchanging the su calls by sudo calls. (sudo -u <user> <command>). The advantage of sudo: it does not invoke a subshell. Feedback? Request for comments??? Any other approach thinkable??? Thanks, Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Bug#398: Automounter only mounts first partition of USB media (at least in certain cases)
by Stefan Baur 10 Jan '14

10 Jan '14

package: x2gousbmount severity: normal version: 1.1.0.2-0x2go2~git20131217.483+wheezy.heuler.1 Hi, I have a USB device with several partitions. It's being detected by the automounter and shows up under /media like so: ls -lah /media/USB2.0_Mobile_Disk/ total 16K drwxr-xr-x 5 root root 100 Jan 10 12:16 . drwxr-xr-x 4 root root 80 Jan 10 12:16 .. drwxr-xr-x 2 root root 40 Jan 10 12:16 sdb drwxr-xr-x 4 x2gothinclient root 16K Jan 1 1970 sdb1 drwxr-xr-x 2 root root 40 Jan 10 12:16 sdb2 As you can already see from the ownership tag, only sdb1 is actually mounted. file -s /dev/sdb1: /dev/sdb1: sticky x86 boot sector, mkdosfs boot message display, code offset 0x3c, OEM-ID " mkdosfs", sectors/cluster 16, root entries 512, Media descriptor 0xf8, sectors/FAT 208, heads 17, sectors 802816 (volumes > 32 MB) , serial number 0x90e07535, label: " ", FAT (16 bit) I have to admit that the content of sdb2 is a bit unusual - it's an ISO9660 filesystem like the one you usually find on a CD. file -s /dev/sdb2: /dev/sdb2: sticky # ISO 9660 CD-ROM filesystem data 'Debian wheezy 20131213-23:56 ' Still, it's perfectly possible to mount it manually: mount /dev/sdb2 /media/USB2.0_Mobile_Disk/sdb2: mount: block device /dev/sdb2 is write-protected, mounting read-only mount [...] /dev/sdb1 on /media/USB2.0_Mobile_Disk/sdb1 type vfat (ro,relatime,sync,uid=104,fmask=0022,dmask=0022,codepage=cp437,iocharset=utf8,shortname=mixed,uni_xlate,errors=remount-ro) /dev/sdb2 on /media/USB2.0_Mobile_Disk/sdb2 type iso9660 (ro,relatime) So this should be supported by the automounter as well. Note: I haven't tried what happens when you insert USB media with several "regulary formatted" (FAT, ext_, ...) partitions, so I don't know if the automounter is limited to mounting the first partition in general, or if it is simply confused by the fact that this particular USB medium contains an ISO9660-formatted partition. -Stefan

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Raspberry Pi as cheap Thin Client
by Stefan Baur 10 Jan '14

10 Jan '14

Hi, I just stumbled over http://rpitc.blogspot.de/ - a project to turn Raspis into cheap thin clients. They're including an X2Go client in their image, too. I'd be curious how these boxes perform under load - did anyone on this list try it out already? If no, who owns a Raspi and is willing to give it a try? -Stefan

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Bug#397: Cannot connect when user home folder contains a non-ascii character
by Mike Gabriel 10 Jan '14

10 Jan '14

Control: reassign -1 x2goserver Control: found -1 4.0.1.12 Control: tag -1 moreinfo Dear Néstor, On Mi 08 Jan 2014 18:05:00 CET, Néstor Uribe-Patarroyo wrote: > Package: x2go-server > Version: 4.0.1.12-0~809~ubuntu12.04.1 > > When the home folder of a user contains a non-ascii character (such > as "á", or "é") I cannot initiate an x2go session. The error is: > > Info: Connecting to remote host 'localhost:31004'. > Info: Connection to remote proxy 'localhost:31004' established. > Error: The remote NX proxy closed the connection. > Error: Failure negotiating the session in stage '7'. > Error: Wrong version or invalid session authentication cookie. > Session: Terminating session at 'Wed Jan 8 09:52:30 2014'. > Session: Session terminated at 'Wed Jan 8 09:52:30 2014'. > > Login with ssh works normally. > > After changing the home folder of the user to one with only ascii > characters, initiating an x2go session was possible. > > I am using Ubuntu 12.04.3 in the server, Ubuntu 12.10 in the client. > Client version is 4.0.1.2.Both server and client installed from > thePPA ppa:x2go/stable Thanks for filing this bug and testing X2Go. Please note that Posix usernames are not allowed by RFC to contain accents on characters. Posix usernames should be ASCII only. Normally, the home directory's basename should be identical to the username, thus also contain ASCII-only characters. I don't think we will provide a fix for the reported bug, as your system does not seem to comply to Posix standards. If you think I am wrong about this, please give feedback. Thanks, Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Processed: Re: Bug#397: Cannot connect when user home folder contains a non-ascii character
by owner＠bugs.x2go.org 09 Jan '14

09 Jan '14

Processing control commands: > reassign -1 x2goserver Bug #397 [x2go-server] Cannot connect when user home folder contains a non-ascii character Warning: Unknown package 'x2go-server' Bug reassigned from package 'x2go-server' to 'x2goserver'. No longer marked as found in versions 4.0.1.12-0~809~ubuntu12.04.1. Ignoring request to alter fixed versions of bug #397 to the same values previously set > found -1 4.0.1.12 Bug #397 [x2goserver] Cannot connect when user home folder contains a non-ascii character There is no source info for the package 'x2goserver' at version '4.0.1.12' with architecture '' Unable to make a source version for version '4.0.1.12' Marked as found in versions 4.0.1.12. > tag -1 moreinfo Bug #397 [x2goserver] Cannot connect when user home folder contains a non-ascii character Added tag(s) moreinfo. -- 397: http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=397 X2Go Bug Tracking System Contact owner(a)bugs.x2go.org with problems

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Bug#321: X2Go issue (in src:pyhoca-gui) has been marked as closed
by Mike Gabriel 08 Jan '14

08 Jan '14

close #321 thanks Hello, we are very hopeful that X2Go issue #321 reported by you has been resolved in the new release (0.4.0.9) of the X2Go source project »src:pyhoca-gui«. You can view the complete changelog entry of src:pyhoca-gui (0.4.0.9) below, and you can use the following link to view all the code changes between this and the last release of src:pyhoca-gui. http://code.x2go.org/gitweb?p=pyhoca-gui.git;a=commitdiff;h=5027631c6a7ac3f… 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:pyhoca-gui. Thanks a lot for contributing to X2Go!!! light+love X2Go Git Admin (on behalf of the sender of this mail) --- X2Go Component: src:pyhoca-gui Version: 0.4.0.9-0x2go1 Status: RELEASE Date: Wed, 08 Jan 2014 15:20:20 +0100 Fixes: 321 Changes: pyhoca-gui (0.4.0.9-0x2go1) RELEASED; urgency=low . [ Mike Gabriel ] * New upstream release (0.4.0.9): - Make notifications more robust. - Add support for encrypted/locked/passphrase-protected SSH private key files. - Only show notifications if there really is something to show. - Support encrypted on SSH proxy whith password authentication on X2Go Server. - Implement two-factor authentication. - Don't crash if no notification-daemon provide is registered in DBUS. (Fixes: #321). - Become aware of new Python X2Go hook method (HOOK_on_failing_SFTP_client). - Become aware of new Python X2Go hook method (HOOK_desktop_sharing_denied). - Connect to sharable desktop session when selecting the session display with double click from the list of available desktop sessions. - Allow multiple PyHoca-GUI instances for the same user, one per $DISPLAY. - Allow for full path taskbar icon names, resolve tilde char in icon file path. - Allow for full path about image icon names, resolve tilde char in icon file path. - Resolve tilde char in file path of the about image. - Resolve tilde char in file path of the splash image. - Resolve tilde char in base directories for the PyHoca-GUI application. - Resolve tilde char in session icon names. - Fix termination of published application sessions. - Initialize thisPyHocaGUI instance as NoneType object before starting the wxApplication. - Slight notification layout change for HOOK_on_control_session_death() method. - Update German and English translation. - When installing icons via setup.py, let's use the copied icons rather than the icon set from icons_symlinked. That assures that really all icons are present. (The icons_symlinked folder is rather Debianic and not appropriate for non-Debian derived distributions). * debian/copyright: + Update file. Add entry for file icon2exe.py. * debian/control: + Recommend mate-notification-daemon (or notification-daemon as fallback). * debian/source/format: + Switch to format 1.0. * pyhoca-gui.spec: + Ship pyhoca-gui.spec (RPM package definitions) in upstream project. (Thanks to the Fedora package maintainers). + Add to BR: python-argparse, python-cups. . [ Ricardo Díaz Martín ] * New upstream release (0.4.0.9): - Update Spanish translation. . [ Daniel Lindgren ] * New upstream release (0.4.0.9): - Update Swedish translation.

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Bug#330: X2Go issue (in src:python-x2go) has been marked as closed
by Mike Gabriel 08 Jan '14

08 Jan '14

close #330 thanks Hello, we are very hopeful that X2Go issue #330 reported by you has been resolved in the new release (0.4.0.9) of the X2Go source project »src:python-x2go«. You can view the complete changelog entry of src:python-x2go (0.4.0.9) below, and you can use the following link to view all the code changes between this and the last release of src:python-x2go. http://code.x2go.org/gitweb?p=python-x2go.git;a=commitdiff;h=62f82b9324d1ed… 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:python-x2go. Thanks a lot for contributing to X2Go!!! light+love X2Go Git Admin (on behalf of the sender of this mail) --- X2Go Component: src:python-x2go Version: 0.4.0.9-0x2go1 Status: RELEASE Date: Wed, 08 Jan 2014 15:14:16 +0100 Fixes: 329 330 335 Changes: python-x2go (0.4.0.9-0x2go1) RELEASED; urgency=low . [ Mike Gabriel ] * New upstream version (0.4.0.9): - Agent channels in Paramiko can raise an EOFError if the connection has got disrupted. Ignoring this. - Store the session password in base64 encoded string in order to make it harder spotting the long term stored (for the duration of the session) plain text password. - Support encryption passphrases on SSH private key files (X2Go SSH connections as well as SSH proxy connections). - Invalidate SSH private keys (filename, pkey object) when look_for_keys is requested. - Keep private key information even if force_password_auth is set in the control session's connect() method. - Fix parameter handling in X2GoSession.connect(). - Rewrite passwords that are not string/unicode to an empty string. - No Unicode chars in log messages. Eliminated one more in checkhosts.py. - Implement two-factor authentication. - Compat fix in _paramiko monkey patch module to also work with early Paramiko versions. - Handle echoing ~/.*shrc files gracefully via SSH client connections. Do not allow data injections via ~/.*shrc files. (Fixes: #335). - Properly handle (=expand) the "~" character in key filenames. (Brought to attention by Eldamir on IRC. Thanks!). - Differentiate between desktop sharing errors and desktop sharing access that gets denied by the other/remote user. - Report about found session window / session window retitling in debug mode. - Fix session window detection when local session manager is the i3 session manager (which uses _NET_CLIENT_LIST_STACKING instead of _NET_CLIENT_LIST). - Check for pulse cookie file in old (~/.pulse-cookie) and new (~/.config/pulse/cookie) location. - Import python-x2go-py3.patch from Fedora. Thanks to Orion!!! - Improve setup.py script: make it run with Python3 and older Python2 versions. - Fix tests for two-factor authentication in control session and SSH proxy code. - Fix regression: Make password logins with PyHoca-CLI succeed again. - Make channel compression to all authentication methods. - Set keepalive on proxy channel. - Only use [<host>]:<port> if <port> is not 22. - Handle host key checks for hosts that do not have a port specified. * debian/source/format: + Switch to format 1.0. * python-x2go.spec: + Ship python-x2go.spec (RPM package definitions) in upstream project. (Thanks to the Fedora package maintainers). + Clear (Fedora package) changelog. + Drop dependency on python-cups. . [ Orion Poplawski ] * debian/control: + Drop python-cups from Depends: field. Python CUPS is no dependency if Python X2Go. (Fixes: #329). . [ Kenneth Pedersen ] * New upstream version (0.4.0.9): - Color depth detection: Stop using win32api.GetSystemMetrics(2) which actually returns the width of a vertical scroll bar in pixels. Instead, create a screen display context and query it for the color depth. (Fixes: #330).

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x2go-dev January 2014