x2go-dev December 2014

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33 participants
150 discussions

Bug#704: Desktopsharing "Access denied from user" all time
by KeRo 18 Dec '14

18 Dec '14

Package: x2godesktopsharing Version: 3.1.1.2-0~154~ubuntu14.04.1 Test in latest stable ( 3.1.1.1-0~131~ubuntu14.04.1) and latest nightly (3.1.1.2-0~154~ubuntu14.04.1) Issue: x2godesktopsharing dont work, when a user try to connect with a user with desktop sharing enabled, the list of session appear but try to "View Only" or "Full Access", "Access denied from user" appear directly, in the destination session dont appear any allow popup. All users are in the x2godesktopsharing and x2gousers groups. The problem dont appear if we do the desktopsharing session with the same user of desktop session. Any idea? Best regards

3 3

Bug#706: x2gobroker authservice fails to handle passwords with spaces in them
by Jason Alavaliant 18 Dec '14

18 Dec '14

Package: x2gobroker-authservice Version: 0.0.2.3 Tags: patch Some of my users were getting authentication failed errors trying to login via our x2go broker setup (configured with http backend), further investigation revealed that the common factor was that they all had spaces in their passwords. Digging through the code I found that the socket connection used by the x2gobroker authservice used spaces to separate the fields when passing user data to be validated which meant any password with a space was effectively truncated by the code when it was send to the authservice. The two attached patches contain my proposed fix of changing the separation character to be \r instead which seems to fix the problem fine in my testing. Thanks Jason

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x2goclient v. 4.0.3.1 (Qt 4.8.6) crashes just after login
by Marc Siramy 17 Dec '14

17 Dec '14

Hi, when I try to start a session with x2goclient (or Pyhoca-gui), the client crash just after login. x2goclient create connection to the server : *Dec 17 22:26:11 marc-P55-UD3R sshd[13752]: Accepted password for marc from 192.168.1.13 port 52967 ssh2Dec 17 22:26:11 marc-P55-UD3R sshd[13752]: pam_unix(sshd:session): session opened for user marc by (uid=0)Dec 17 22:26:11 marc-P55-UD3R systemd-logind[869]: Removed session c1.Dec 17 22:26:11 marc-P55-UD3R systemd-logind[869]: New session 21 of user marc* Then x2goclient crashes. gdb give the following trace: *x2go-INFO-1> "Starting x2goclient..."x2go-INFO-4> "Translator: :/x2goclient_fr_fr installed."x2go-INFO-5> "Translator: :/qt_fr_FR installed."x2go-INFO-3> "Started x2goclient."x2go-INFO-8> "Starting connection to server: 192.168.1.11:22 <http://192.168.1.11:22>"[New Thread 0xb2e4ab40 (LWP 27293)][New Thread 0xb2649b40 (LWP 27363)][Thread 0xb2e4ab40 (LWP 27293) exited]Program received signal SIGSEGV, Segmentation fault.QString::operator= (this=0xbffff024, other=...) at tools/qstring.cpp:14101410 tools/qstring.cpp: Aucun fichier ou dossier de ce type.* *(gdb) bt#0 QString::operator= (this=0xbffff024, other=...) at tools/qstring.cpp:1410#1 0x080a7cdc in ?? ()#2 0x080a89b6 in ?? ()#3 0x0814420e in ?? ()#4 0xb6fc80f7 in QMetaObject::activate (sender=0x85e58c0, m=0x8155698, local_signal_index=0, argv=0xbffff4d0) at kernel/qobject.cpp:3539#5 0x08145a1f in ?? ()#6 0x08105b81 in ?? ()#7 0x08145c68 in ?? ()#8 0xb6fc48aa in QMetaCallEvent::placeMetaCall (this=0xb1d0a548, object=0x85e58c0) at kernel/qobject.cpp:524#9 0xb6fcc6fb in QObject::event (this=0x85e58c0, e=0xb1d0a548) at kernel/qobject.cpp:1194[...]* This is apply to x2goclient v. 4.0.3.1 both amd64 & i386 (Qt 4.8.6) and x2goserver v 4.0.1.18-0~949~ubuntu14.04.1 - amd64 Best regards, -- Marc

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Bug#480: Segmentation fault while running x2goclient v
by Marc Siramy 17 Dec '14

17 Dec '14

I have a very similar bug with X2Go Client V. 4.0.3.1 (Qt - 4.8.1). x2go-INFO-1> "Starting x2goclient..." x2go-INFO-4> "Translator: :/x2goclient_fr_fr installed." x2go-INFO-5> "Translator: :/qt_fr_FR installed." x2go-INFO-3> "Started x2goclient." [Thread 0xb26ffb40 (LWP 25778) exited] x2go-INFO-8> "Starting connection to server: 192.168.1.11:22" [New Thread 0xb26ffb40 (LWP 28264)] Program received signal SIGSEGV, Segmentation fault. 0xb6ee2814 in QString::operator=(QString const&) () from /usr/lib/i386-linux-gnu/libQtCore.so.4 (gdb) quit Here is the stack with libqt4-dbg, 4:4.8.5 version : (gdb) start Function "main" not defined. Make breakpoint pending on future shared library load? (y or [n]) Starting program: /usr/bin/x2goclient [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1". x2go-INFO-1> "Starting x2goclient..." x2go-INFO-4> "Translator: :/x2goclient_fr_fr installed." x2go-INFO-5> "Translator: :/qt_fr_FR installed." x2go-INFO-3> "Started x2goclient." x2go-INFO-8> "Starting connection to server: 192.168.1.11:22" [New Thread 0xb2e62b40 (LWP 31128)] Program received signal SIGSEGV, Segmentation fault. QString::operator= (this=0xbffff024, other=...) at tools/qstring.cpp:1410 1410 tools/qstring.cpp: Aucun fichier ou dossier de ce type. (gdb) bt #0 QString::operator= (this=0xbffff024, other=...) at tools/qstring.cpp:1410 #1 0x080a7cdc in ?? () #2 0x080a89b6 in ?? () #3 0x0814420e in ?? () #4 0xb6fc80f7 in QMetaObject::activate (sender=0x8537c08, m=0x8155698, local_signal_index=0, argv=0xbffff4d0) at kernel/qobject.cpp:3539 #5 0x08145a1f in ?? () #6 0x08105b81 in ?? () #7 0x08145c68 in ?? () #8 0xb6fc48aa in QMetaCallEvent::placeMetaCall (this=0xb3311408, object=0x8537c08) at kernel/qobject.cpp:524 #9 0xb6fcc6fb in QObject::event (this=0x8537c08, e=0xb3311408) at kernel/qobject.cpp:1194 #10 0xb73a37f4 in QApplicationPrivate::notify_helper (this=0x8288f38, receiver=0x8537c08, e=0xb3311408) at kernel/qapplication.cpp:4567 #11 0xb73aa2d3 in QApplication::notify (this=0xbffffb58, receiver=0x8537c08, e=0xb3311408) at kernel/qapplication.cpp:4353 #12 0xb6fb2e4a in QCoreApplication::notifyInternal (this=0xbffffb58, receiver=receiver@entry=0x8537c08, event=event@entry=0xb3311408) at kernel/qcoreapplication.cpp:953 #13 0xb6fb670d in sendEvent (event=0xb3311408, receiver=0x8537c08) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231 #14 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x8289048) at kernel/qcoreapplication.cpp:1577 #15 0xb6fb6c1c in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470 #16 0xb6fe323e in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236 #17 postEventSourceDispatch (s=0x8289da0) at kernel/qeventdispatcher_glib.cpp:287 #18 0xb65df1e3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0 #19 0xb65df468 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #20 0xb65df528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0 #21 0xb6fe293b in QEventDispatcherGlib::processEvents (this=this@entry=0x8289b68, flags=...) at kernel/qeventdispatcher_glib.cpp:434 #22 0xb74585de in QGuiEventDispatcherGlib::processEvents (this=0x8289b68, flags=...) at kernel/qguieventdispatcher_glib.cpp:204 #23 0xb6fb1823 in QEventLoop::processEvents (this=this@entry=0xbffffad8, flags=...) at kernel/qeventloop.cpp:149 #24 0xb6fb1b49 in QEventLoop::exec (this=this@entry=0xbffffad8, flags=...) at kernel/qeventloop.cpp:204 ---Type <return> to continue, or q <return> to quit--- #25 0xb6fb78fe in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225 #26 0xb73a1a24 in QApplication::exec () at kernel/qapplication.cpp:3828 #27 0x0812a533 in ?? () #28 0x0805bd3b in ?? () #29 0xb6b81a83 in __libc_start_main (main=0x805bd20, argc=1, argv=0xbffffc94, init=0x8148de0, fini=0x8148e50, rtld_fini=0xb7fed180 <_dl_fini>, stack_end=0xbffffc8c) at libc-start.c:287 #30 0x0805bdc1 in ?? () I'm not a C/C++ developer so this is difficult to me to investigate that. -- Marc

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Bug#702: more info.
by Klaus Ade Johnstad 17 Dec '14

17 Dec '14

I found out that if i delete $HOME/.x2goclient and $HOME/.x2go, then it doesn't crash when printing, from Debian Jessie client on a Debian Wheezy server. -- Klaus Ade Johnstad klaus(a)linuxavdelingen.no Mobil:938 69 567 67E61D18B2C44F8A3DA35C6D849F9F5F 26FA477D

2 1

Bug#704: Desktopsharing "Access denied from user" all time
by KeRo 17 Dec '14

17 Dec '14

im not sure how i can debug this :( ... with x2golistsessions and x2golistdesktop? Regards!

2 1

Bug#704: Desktopsharing "Access denied from user" all time
by KeRo 17 Dec '14

17 Dec '14

Yuju!!! compiling latest x2goserver 4.0.1.x (4.0.1.19) and latest x2godesktopsharing, desktopsharing is working again =). Thank you very much Mike =)

2 1

Bug#705: X2Go issue (in src:x2goclient) has been marked as pending for release
by Mike Gabriel 17 Dec '14

17 Dec '14

tag #705 pending fixed #705 4.0.3.2 thanks Hello, X2Go issue #705 (src:x2goclient) 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=x2goclient.git;a=commitdiff;h=db7c2f3 The issue will most likely be fixed in src:x2goclient (4.0.3.2). light+love X2Go Git Admin (on behalf of the sender of this mail) --- commit db7c2f3009d9f39cdf8a85327c632dcb643f631c Author: Jason Alavaliant <alavaliant(a)ra09.com> Date: Wed Dec 17 11:14:02 2014 +0100 Use QUrl::toPercentEncoding() method to properly encode passwords sent to X2Go Session Broker. (Fixes: #705). diff --git a/debian/changelog b/debian/changelog index 1a034f3..1a2701d 100644 --- a/debian/changelog +++ b/debian/changelog @@ -9,6 +9,11 @@ x2goclient (4.0.3.2-0x2go1) UNRELEASED; urgency=medium * New upstream release (4.0.3.2): - Provide empty Turkish translation file. + [ Jason Alavaliant ] + * New upstream verson (4.0.3.2): + - Use QUrl::toPercentEncoding() method to properly encode passwords sent + to X2Go Session Broker. (Fixes: #705). + [ Mike DePaulo ] * New upstream release (4.0.3.2): - Windows: Fix compatibility with PulseAudio 6.0

2 1

Bug#584: news?
by KeRo 17 Dec '14

17 Dec '14

Hi, some progress in this bug? Regards!

2 1

Bug#705: client sends password to http broker without percent encoding special characters such as &
by Jason Alavaliant 16 Dec '14

16 Dec '14

Package: x2goclient Version: 4.0.3.1 Severity: grave Tags: patch I've just setup an x2go load balanced setup using x2gobroker (http connection - x2goclient --broker-url=http://server:8080/plain/inifile), after putting it into production we found a number of our users had their passwords rejected when trying to sign into the x2go client to access the broker. Tracing through the traffic/logs we found that the problem is that password values were being set unencoded to the broker, so for example if there was an & present in a password the form data was submitted in the form of task=listsessions&user=user&password=mypass&word&authid= which resulted in the data being read by the server as the pasword being mypass rather than mypass&word The attached patch in my testing (done on Linux) fixes the client so data is correctly escaped so the above example would be submitted as task=listsessions&user=user&password=mypass%26word&authid= which is correctly parsed as the password being mypass&word and allows the login to work. If we could get an indication of when this fix is likely to make a client release it would appreciated since we currently don't have Windows and OSX builds with the patch and are trying to workout if it's worth the time of setting up development workstations to be able to compile the client for those platforms vs just waiting for the next client release. Thanks for your time. Jason

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x2go-dev December 2014