X2Go Bug report logs - #1353
with dash as default shell, x2goagent.options are not being parsed correctly

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Package: x2goserver-x2goagent; Maintainer for x2goserver-x2goagent is X2Go Developers <x2go-dev@lists.x2go.org>; Source for x2goserver-x2goagent is src:x2goserver.

Reported by: Stefan Baur <X2Go-ML-1@baur-itcs.de>

Date: Mon, 10 Dec 2018 11:15:01 UTC

Severity: normal

Found in version 4.1.0.3

Full log

Message #20 received at 1353@bugs.x2go.org (full text, mbox, reply):

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Subject: Re: [X2Go-Dev] Bug#1353: with dash as default shell,
 x2goagent.options are not being parsed correctly
To: 1353@bugs.x2go.org
References: <20181210142954.Horde.XTLq4qL3F982mrKXDU6Q-B0@mail.das-netzwerkteam.de>
 <c0e49f8a-b10b-2e60-74ed-ecc26bc6384b@baur-itcs.de>
From: Stefan Baur <X2Go-ML-1@baur-itcs.de>
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Date: Mon, 10 Dec 2018 20:32:14 +0100
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[Message part 1 (text/plain, inline)]
Am 10.12.18 um 15:32 schrieb Stefan Baur:
>> The x2goagent.options file is sourced by x2gostartagent and that uses
>> /bin/bash as shebang.
>>
>> I am inclined to close this bug unless you have more info. Even if you
>> user as /bin/dash as default shell, the x2goagent.options file should be
>> sourced by bash.
> Interesting.  Please keep it open for now; I will check back with the
> affected user.  For some reason, their session wasn't picking up the
> x2goagent.options, and they had /bin/dash as their default shell.

The user says that not the individual accounts' shell was set to
/bin/dash, but the system-wide default shell.
And changing it to /bin/bash fixed the issue for them.
Grepping through the X2Go code, I found several instances where /bin/sh
is used (/usr/sbin/x2golistsessions_root, /usr/sbin/x2gocleansessions,
/usr/bin/x2gopath, /usr/bin/x2gobasepath, /etc/init.d/x2goserver,
/usr/bin/x2goprint).  There is also a match in the /usr/bin/x2goagent
binary.

Could it be that x2gostartagent itself is being called in a way that
skips the shebang line? (e.g. "/bin/sh -c /usr/bin/x2gostartagent")


Kind Regards,
Stefan Baur

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