#739 - Kerberos cred delegation fails on Windows

X2Go Bug report logs - #739
Kerberos cred delegation fails on Windows

Reported by: Michael DePaulo <mikedep333@gmail.com>

Date: Sun, 11 Jan 2015 17:20:02 UTC

Severity: normal

Tags: build-win32

Found in version 4.0.3.1

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Date: Mon, 12 Jan 2015 04:25:06 +0000
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From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: Michael DePaulo <mikedep333@gmail.com>, 739@bugs.x2go.org
Subject: Re: [X2Go-Dev] Bug#739: "Connection failed" errors when using
 GSSAPI on Windows (PuTTY+Krb5)
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Control: tag -1 build-win32 Control: retitle -1 Kerberos cred delegation fails on Windows Control: retitle #731 Kerbers cred delegation fails on Linux HI Michael, On So 11 Jan 2015 18:15:50 CET, Michael DePaulo wrote: > Package: x2goclient > Version: 4.0.3.1 > > Client OS: Windows 8.1 64-bit with all available updates > > Server OS: Fedora 21 64-bit with most available updates > Server krb5 client: samba winbind 4.1.14-1.fc21 > x2goagent: 3.5.0.28 > x2goserver: 4.0.1.18 > x2goserver-extensions: 4.0.1.18 > x2goserver-xsession: 4.0.1.18 (with fix for #632 applied) > > When I attempt to use GSSAPI authentication on Windows, with either > x2goclient 4.0.3.1-20141214 or x2goclient 4.0.3.2 development build > (2015-01-11 9363860), I see 2 error messages come up when I start a > new session on the aforementioned host: > > Message 1: > > Connection failed : cp: missing destination file operand after > '/home/DEPAULO/mike/.x2go/C-mike-50-1420995172_stDMATE_dp32/krb5cc' > Try 'cp --help' for more information > > Message 2: > > Connection failed pscp: unable to open > /home/mike/.x2go/ssh/key.Hp6896: no such file or directory > > Message 1 is on top of message 2. > > If I reconnect to a session, I only receive message #2. > > Under both versions of x2goclient, the X2go Session appears to start > successfully. e.g., I see my mate desktop launch. And I can actually > interact with it. > > However, whenever I connect with 4.0.3.1-20141214, as soon as I > dismiss error message #2, x2goclient terminates entirely. > > On 4.0.3.2, these error messages are harmless (but annoying.) > > I've attached the log from the 4.0.3.2 development build (2015-01-11 > 9363860). > > I've also attached the server's samba configuration. This (for Windows version of X2Go Client) seems like the pendant to #731 (Linux version of X2Go Client). Your observed error means that Kerberos credentials delegation fails on Windows. Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel@das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.xfb

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X2Go Bug report logs - #739 Kerberos cred delegation fails on Windows

X2Go Bug report logs - #739
Kerberos cred delegation fails on Windows