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Bug#735: let authentication become more consistent: always fall-back to username+password logins
by Mike Gabriel 10 Jan '15

10 Jan '15

Package: x2goclient Severity: wishlist For the sake of consistency with ssh-agent based logins or pubkey based logins, GSSAPI should also fallback to username+password login if GSSAPI fails. Currently, it simply reports an error (which is actually nice), but after the error, the GUI should allow giving username and password. The user should not notice a different whether he selects pubkey auth, agent auth or GSSAPI auth (and then experiences a failure)... 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#734: ssh-agent gets used although GSSAPI is enabled and agent-auth is disabled
by Mike Gabriel 10 Jan '15

10 Jan '15

Package: x2goclient Version: 4.0.3.1 Severity: important Control: block -1 by 733 I have... autologin=false krblogin=true _plus_ a running ssh-agent, loaded with my private SSH key. The X2Go Server has the public SSH key belonging to the private key loaded into the agent. If the remote server does not support GSSAPIauthentication (set to "no" via sshd_config), then X2Go Client should fall back to username+password (KbdInteractiveAuthentication). At the time of writing this, X2Go Client nonetheless uses the running ssh-agent and performs a PubkeyAuthentication. However, this breaks GSSAPI credentials delegation... 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: your mail
by owner＠bugs.x2go.org 10 Jan '15

10 Jan '15

Processing commands for control(a)bugs.x2go.org: > reassign #560 x2goserver Bug #560 [nxagent] nxagent (and thus x2go-server) uninstallable on ARM hardware Bug reassigned from package 'nxagent' to 'x2goserver'. No longer marked as found in versions 2:3.5.0.27-0~446~ubuntu14.04.1. Ignoring request to alter fixed versions of bug #560 to the same values previously set > forcemerge #711 #560 Bug #711 [x2goserver] x2goserver: trusty armhf no package available Bug #560 [x2goserver] nxagent (and thus x2go-server) uninstallable on ARM hardware There is no source info for the package 'x2goserver' at version '4.0.1.9' with architecture '' Unable to make a source version for version '4.0.1.9' Marked as found in versions 4.0.1.9. Added tag(s) not-a-bug and wontfix. Merged 560 711 > thanks Stopping processing here. Please contact me if you need assistance. -- 560: http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=560 711: http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=711 X2Go Bug Tracking System Contact owner(a)bugs.x2go.org with problems

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Bug#713: X2Go issue (in src:x2goclient) has been marked as pending for release
by Mike Gabriel 10 Jan '15

10 Jan '15

tag #713 pending fixed #713 4.0.3.2 thanks Hello, X2Go issue #713 (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=46c9fe8 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 46c9fe8577d578b98fef1824dc3072ec8750900c Author: Heinrich Schuchardt <xypron.glpk(a)gmx.de> Date: Sat Jan 10 00:58:39 2015 +0100 Base the layout dialogue "Session ID" (which shows up when starting a connection) on typographic points (instead of pixels). (Fixes: #713). diff --git a/debian/changelog b/debian/changelog index 21e06c5..e9b5216 100644 --- a/debian/changelog +++ b/debian/changelog @@ -29,6 +29,10 @@ x2goclient (4.0.3.2-0x2go1) UNRELEASED; urgency=medium - Fix quotes when calling remote commands via SSH (esp. allow same quoting/ escaping style for libssh and openSSH+Krb based connections). (Fixes: #720). + [ Heinrich Schuchardt ] + - Base the layout dialogue "Session ID" (which shows up when starting a + connection) on typographic points (instead of pixels). (Fixes: #713). + [ Jason Alavaliant ] * New upstream verson (4.0.3.2): - Use QUrl::toPercentEncoding() method to properly encode passwords sent

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Bug#712: x2goserver: armhf unfulfilled dependency
by Heinrich Schuchardt 09 Jan '15

09 Jan '15

Package: x2goserver Version: 4.0.1.18 x2goserver depends on libdbd-pg-perl. This package is only available for architectures amd64 and i386. Please, change debian/control such that the dependency is recommended only on architectures amd64 and i386 Background: x2goserver can run on SQLite. No need to force a dependency on PostgreSQL. Better check while running if the Perl module can be loaded: # imports into current package BEGIN { unless (eval "use $mod") { warn "couldn't load $mod: $@"; } } Best regards Heinrich Schuchardt

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Bug#733: SSH GSSAPI: use master+slave sockets
by Mike Gabriel 09 Jan '15

09 Jan '15

Package: x2goclient Severity: wishlist Version: 4.0.3.1 Control: block #732 by -1 Currently, X2Go Client SSH GSSAPI code does repetetive authentications against the X2Go Server (via GSSAPI) when setting up an X2Go Session. Instead of requiring an authentication for each SSH command evocation, it would be more handy to do one authentication in sshmasterconnection.cpp (already there), set all ssh option (e.g. PubkeyAuthentication=no, etc.) there (because the sshmasterconnection.cpp is aware of session properties like autologin=true|false, key file, etc.) and then use the master/slave concept in SSH for every follow up SSH command. IMHO, we need to implement the above, before we can fix #732 [1]. Mike [1] http://bugs.x2go.org/732 -- 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#732: X2Go Client falls back to SSH pub/priv key auth if GSSAPI fails
by Mike Gabriel 09 Jan '15

09 Jan '15

Package: x2goclient Severity: important Version: 4.0.3.1 I have not yet obtained a Kerberos ticket via kinit... I have an SSH private key protected with a passphrase... My X2Go session profile configuration for SSH auth is: key= krblogin=true autologin=false krbdelegation=false I expect authentication to fail (reporting that my ticket cache is empty or such). What happens is this: """ x2go-INFO-1> "Starting x2goclient..." x2go-WARNING-1> "Can't load translator: :/x2goclient_c" x2go-WARNING-2> "Can't load translator: :/qt_C" x2go-DEBUG-../onmainwindow.cpp:1203> Removing apps from tray x2go-DEBUG-../onmainwindow.cpp:1171> Plugging apps in tray. x2go-INFO-3> "Started x2goclient." x2go-DEBUG-../onmainwindow.cpp:490> "$HOME=/home/mike" x2go-DEBUG-../onmainwindow.cpp:2118> Reading 72 sessions from config file. QPixmap::scaled: Pixmap is a null pixmap x2go-DEBUG-../onmainwindow.cpp:2663> Starting session via smartcard, ssh-agent or kerberos token. x2go-DEBUG-../onmainwindow.cpp:1203> Removing apps from tray x2go-INFO-8> "Starting connection to server: <host>:<port>" x2go-DEBUG-../onmainwindow.cpp:2697> Start new ssh connection to server:"<host>":"<port>" krbLogin: true x2go-DEBUG-../sshmasterconnection.cpp:198> starting ssh connection with kerberos authentication x2go-DEBUG-../sshmasterconnection.cpp:206> SshMasterConnection, instance SshMasterConnection(0x1f0b670) created x2go-DEBUG-../sshmasterconnection.cpp:442> SshMasterConnection, instance SshMasterConnection(0x1f0b670) entering thread x2go-DEBUG-../sshmasterconnection.cpp:478> libSsh not inited yet, initting x2go-DEBUG-../sshmasterconnection.cpp:789> cserverAuth x2go-DEBUG-../sshmasterconnection.cpp:804> state: 1 x2go-DEBUG-../sshmasterconnection.cpp:1153> starting ssh:"ssh -o GSSApiAuthentication=yes mike@<host> -p <port> -o PasswordAuthentication=no sh -c 'echo X2GODATABEGIN:df7fa883-5dc3-4623-b9dd-16b62f069fc5; whoami; echo X2GODATAEND:df7fa883-5dc3-4623-b9dd-16b62f069fc5;'" Enter passphrase for key '/home/mike/.ssh/id_rsa': """ X2Go Client waits for me entering my SSH private key password while setting up the SSH master connection. This should not happen... Authentication should fail and a proper error message (GSSAPI requires a valid Kerberos ticket cache or similar) should be reported. 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#730: Krb5 delegation: update ~/.x2go/C-<sid>/krbcc file when resuming a session
by Mike Gabriel 09 Jan '15

09 Jan '15

Package: x2goclient Severity: important Hi Alex, I have just starting playing with Kerberos5+SSH logins. One thing that popped up: the KRB5CCNAME file (/tmp/krb5cc_<uidNumber>) should be renewed when resuming an X2Go session, right? 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#720: X2Go issue (in src:x2goclient) has been marked as pending for release
by Mike Gabriel 09 Jan '15

09 Jan '15

tag #720 pending fixed #720 4.0.3.2 thanks Hello, X2Go issue #720 (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=a86676d 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 a86676d05d21c91700500dea0f84a08b006cbfa7 Author: Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> Date: Fri Jan 9 21:41:46 2015 +0100 Fix quotes when calling remote commands via SSH (esp. allow same quoting/ escaping style for libssh and openSSH+Krb based connections). (Fixes: #720). diff --git a/debian/changelog b/debian/changelog index 3e67cf4..21e06c5 100644 --- a/debian/changelog +++ b/debian/changelog @@ -26,6 +26,8 @@ x2goclient (4.0.3.2-0x2go1) UNRELEASED; urgency=medium - Fix string concatenation/layout of error message when tunnel I/O errors occur. - Improve debugging/logging the SSH connections made by X2Go Client. + - Fix quotes when calling remote commands via SSH (esp. allow same quoting/ + escaping style for libssh and openSSH+Krb based connections). (Fixes: #720). [ Jason Alavaliant ] * New upstream verson (4.0.3.2):

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Bug#720: X2Go issue (in src:x2goclient) has been marked as pending for release
by Mike Gabriel 09 Jan '15

09 Jan '15

tag #720 pending fixed #720 4.0.3.2 thanks Hello, X2Go issue #720 (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=89105aa 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 89105aa63ae77a40327fa680bc71e852957911c5 Author: Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> Date: Fri Jan 9 21:34:13 2015 +0100 Fix quotes when calling remote commands via SSH. Use single backslash to quote quotation marks. (Fixes: #720). diff --git a/debian/changelog b/debian/changelog index 3e67cf4..f16eca7 100644 --- a/debian/changelog +++ b/debian/changelog @@ -26,6 +26,8 @@ x2goclient (4.0.3.2-0x2go1) UNRELEASED; urgency=medium - Fix string concatenation/layout of error message when tunnel I/O errors occur. - Improve debugging/logging the SSH connections made by X2Go Client. + - Fix quotes when calling remote commands via SSH. Use single backslash + to quote quotation marks. (Fixes: #720). [ Jason Alavaliant ] * New upstream verson (4.0.3.2):

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