[X2go-dev] x2goclient and ssh-agent

[Heiko Baumann]

 hi,

 if you enable ssh agent forwarding (ssh option -A or ForwardAgent in 
 ssh_config) your agent connection is "forwarded" to the remote host. 
 this way you can use your ssh-agent (and smartcard in my case) to login 
 (or mount sshfs) to another host using your private key stored in you 
 local ssh-agent. this works with a socket created in 
 /tmp/ssh-<somerandomstring>/agent.<pid> on the ssh server/host.

 if i use a current x2goclient this socket is not created and so i 
 cannot mount a directory from another host from within my x2gosession.

 regards
 heiko

 On Mon, 16 May 2011 12:05:41 +0200, Oleksandr Shneyder 
 <oleksandr.shneyder at obviously-nice.de> wrote:
> Am 16.05.2011 11:50, schrieb Heiko Baumann:
> Hello Heiko,
>
> I don't understand what do you mean with "ssh-agent forwarding". X2Go
> Client supports login using ssh-agent and you can mount
> sshfs-directories from client into your X2Go session using X2Go 
> Client.
> Can you make it clear to me?
>
>> hi,
>>
>> are there any plans to support ssh-agent forwarding?
>>
>> regards
>> heiko
>>
>> On Wed, 27 Apr 2011 23:31:07 +0200, Heiko Baumann 
>> <heiko at oss.hboss.de>
>> wrote:
>>> Hi Oleksandr,
>>>
>>> thanks for the info. i tried the new version and ssh-agent login
>>> works great. but i've also hacked my patch yesterday to support 
>>> agent
>>> forwarding. this way i can use sshfs to mount a remote directory
>>> without password into my x2gosession.
>>>
>>> this does not work with the new version. the changelog shows that 
>>> you
>>> now use libssh. is it possible to add this feature? would be really
>>> useful.
>>>
>>> thanks
>>> heiko
>>>
>>> On Wed, 27 Apr 2011 13:51:24 +0200, Oleksandr Shneyder
>>> <oleksandr.shneyder at obviously-nice.de> wrote:
>>>> Am 22.04.2011 21:30, schrieb Heiko Baumann:
>>>>> hi,
>>>>>
>>>>> because no one cared about my request i tried to fix it by 
>>>>> myself.
>>>>> attached is a patch which adds an --ssh-agent option to 
>>>>> x2goclient. if
>>>>> x2goclient is called with this option it uses a running ssh-agent 
>>>>> to
>>>>> connect to the x2goserver.
>>>>>
>>>>> btw. i dont know anything about coding C++ nor anything about
>>>>> x2goclient
>>>>> development. so maybe this patch does break something else or may 
>>>>> be a
>>>>> bad hack. however it works for me.
>>>>>
>>>>> maybe the x2go devs could include it (or write a better one :)) 
>>>>> in one
>>>>> of the next releases? this would be great because i now have SSO
>>>>> with my
>>>>> usb token for all important tools. ssh-agent is started at logon 
>>>>> and
>>>>> everything works without entering my passphrase again (ssh/scp, 
>>>>> sshfs,
>>>>> nxclient, x2goclient etc.).
>>>>>
>>>>> regards
>>>>> heiko
>>>>>
>>>>
>>>>
>>>> Hello Heiko,
>>>>
>>>> there is a "Try auto login (ssh-agent or default ssh key)" option 
>>>> in
>>>> preferences of a X2Go-session since x2goclient-3.01-14
>>>>
>>>> regards,
>>>
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>>
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