X2Go Bug report logs - #566
X2Go Client for Windows cannot create C:\Users\<username>\ssh\known_hosts file when the username has non-English characters

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Package: x2goclient; Maintainer for x2goclient is X2Go Developers <x2go-dev@lists.x2go.org>; Source for x2goclient is src:x2goclient.

Reported by: <trakatelis@uom.gr>

Date: Mon, 11 Aug 2014 10:55:01 UTC

Severity: grave

Tags: pending

Found in version 4.0.2.1

Fixed in version 4.0.3.0

Done: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Bug is archived. No further changes may be made.

Full log

Message #110 received at 566@bugs.x2go.org (full text, mbox, reply):

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From: "George Trakatelis" <trakatelis@uom.edu.gr>
To: <566@bugs.x2go.org>
Cc: "'Michael DePaulo'" <mikedep333@gmail.com>,
	<mike.gabriel@das-netzwerkteam.de>
References: <000001cfb552$3193a8a0$94baf9e0$@gr> <handler.566.B.140775428816658.ack@bugs.x2go.org> <000001cfc60a$32831de0$978959a0$@gr> <20140901195103.Horde.HOAd34FDzvE7MwwNBCtaAg1@mail.das-netzwerkteam.de> <CAMKht8gaM7uupVMhTkPR3pg2jcO5sBRHCbYkMV8kCf0EvKK8sg@mail.gmail.com> <CAMKht8jxisag8A9F3yFBSg3BQ+PODLzrayu90S0G8OaQKZXtfQ@mail.gmail.com> <000001cfca83$2b11d830$81358890$@edu.gr> <CAMKht8hMDouAZr0zh0jQ8HhA_COJOfC-d0BKY4u6hTcCDEoQmQ@mail.gmail.com> <20140908085833.Horde.1KVN9LjgQ3GOkz4EX-JZjA1@mail.das-netzwerkteam.de> <CAMKht8jjsK7nK-CyU6OeDMRBgJHx9SC89YQdWLLGL_4+0yVMvA@mail.gmail.com> <000001cfd0a5$a1fe42d0$e5fac870$@edu.gr> <CAMKht8gnxbgTi8C+KPvk8y=B1Np+KvSiadCEzjGxP57YXrUSpw@mail.gmail.com> <000001cfd172$255b96b0$7012c410$@edu.gr> <CAMKht8gBz29-nHF9rV9kruswpst_oGF3ZFRr97xCMqsOmggk_w@mail.gmail.com>
In-Reply-To: <CAMKht8gBz29-nHF9rV9kruswpst_oGF3ZFRr97xCMqsOmggk_w@mail.gmail.com>
Subject: RE: [X2Go-Dev] Bug#566: X2Go Client for Windows 4.0.2.1 cannot create C:\Users\<username>\ssh\known_hosts file when the local Windows account username has non-Ascii characters
Date: Tue, 16 Sep 2014 19:09:44 +0300
Message-ID: <001701cfd1c8$a200cea0$e6026be0$@edu.gr>
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Hi Mike,

First of all, patch bug566.test.v2.patch definitely solves the problem as described in bug #566. 
I have tried successfully both the release and the debug builds you uploaded 
both in Windows 8.1 Pro and Windows 7 Professional SP1 with all the Microsoft updates installed.

Now, with regard to bug #397:

> 1st of all, you were talking about a home dir with non-Ascii characters on the client machine, correct? 

Yes.

> Bug #397 refers to when the user's home folder on the server has non-Ascii characters. 
> That is why the bug is filed against x2goserver.
> Besides, our "fix" for #397 is not to make homedirs with non-Ascii characters "work". 
> Our "fix" is to present a better error message and cleanly abort the session.

I see.

> Normally I would say that we should clone this bug (566) for X2Go Client for Linux. 
> However, the bug report is already extremely long, 
> I think we should just file a new one and link to this one. Could you please file one?

I was only testing an analogous to bug #566 situation in Linux.
To be honest, I had to get round Ubuntu's policy for POSIX user names by using usermod. 
That test revealed that nxproxy (in Ubuntu 14.04) crashes when path names with non-Ascii characters are used,
but is it really a situation that deserves to be filed as a bug? 

I mean it's common for Windows users to have user names in their native language.
On the other hand, Ubuntu (and I suppose Unix in general) dictates 
exactly what characters are permitted in a user name.
If one by-passes this rule, erroneous program behavior may be observed.
Can we call it a bug of the program? I don’t know. You decide!
 
-George

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