#372 - x2goadmin writes to users homes

X2Go Bug report logs - #372
x2goadmin writes to users homes

Reported by: Reinhard Tartler <siretart@gmail.com>

Date: Sun, 15 Dec 2013 00:18:02 UTC

Severity: serious

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Date: Mon, 16 Dec 2013 14:59:40 +0100
From: Alexander Wuerstlein <snalwuer@cip.informatik.uni-erlangen.de>
To: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>, 372@bugs.x2go.org,
	x2go-dev@lists.berlios.de
Cc: Reinhard Tartler <siretart@gmail.com>, o.schneyder@phoca-gmbh.de
Subject: Re: [X2Go-Dev] Bug#372:  Bug#372: x2goadmin writes to users homes
Message-ID: <20131216135940.GF24005@cip.informatik.uni-erlangen.de>
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On 13-12-16 08:49, Mike Gabriel <mike.gabriel@das-netzwerkteam.de> wrote: > Hi Reinhard, > > On So 15 Dez 2013 01:13:35 CET, Reinhard Tartler wrote: > > >Package: x2goserver > >Severity: serious > > > >Hi, > > > >my understanding of the x2goadmin code [code], end of sub add_user, is > >that the code tries to write the sql password in users homes. This > >will fail for installations that have the user homes on NFS with the > >option "rootsquash" mounted. > > > >I set the severity to "serious" because I imagine that this is a > >rather common scenario. > > > >Also, this approach has another problem: Imagine you want to give > >access to the unix group "staff"? According to the documentation, you > >can use the options "--addgroup" and "--rmgroup" for this. What if a > >new employee joins the company later and wants to use x2go? In this > >case you need to call x2godbadmin for this new user again, which is > >suboptimal. > > > >Is there really no way to get around generated user passwords? There is a way that could work: If configured correctly, postgresql can use GSSAPI (Kerberos) Authentication. That way, the user is authenticated using his login ticket cache which is created anyways. If necessary, one could also provide a keyfile for the cleanup-cronjob so that it can at least access the database with sufficient permissions. But I have never tried this with x2go and don't know if it would work. Ciao, Alexander Wuerstlein.

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X2Go Bug report logs - #372 x2goadmin writes to users homes

X2Go Bug report logs - #372
x2goadmin writes to users homes