[LightDM] Lightdm host in XDMCP chooser menu

[Robert Ancell]

https://bugs.launchpad.net/bugs/1578442

On Thu, 5 May 2016 at 11:46 Robert Ancell <robert.ancell at gmail.com> wrote:

> Hi Wolfgang,
>
> From the XDMCP documentation:
>
>     *Hostname*: ARRAY8
>       Is a human readable string describing the host from which the
> packet was sent. The protocol specifies no interpretation of the data in
> this field.
>     *Status*: ARRAY8
>       Is a human readable string describing the status of the host. This
> could include load average/number of users connected or other information.
> The protocol specifies no interpretation of the data in this field.
> Looking at the LightDM code we don't set anything in these fields. It
> seems we should probably set hostname to the system hostname (and make
> configurable in lightdm.conf). Not sure what is appropriate to set status
> to (if anything).
>
> --Robert
>
>
> On Tue, 3 May 2016 at 07:34 Wolfgang Baudler <wbaudler at gb.nrao.edu> wrote:
>
>>
>> I have a lightdm setup in an XDMCP configuration like this:
>>
>> [SeatDefaults]
>> type=xremote
>> xserver-allow-tcp=true
>> xdmcp-port=177
>> greeter-show-remote-login=true
>> greeter-allow-guest=false
>>
>> [XDMCPServer]
>> enabled=true
>> port=177
>>
>> I have a kdm chooser host which is configured to show the lightdm host in
>> it's chooser menu.
>>
>> It seems to work, except for the rather irritating fact that the chooser
>> hostname and status field of the lightdm host show up as completely empty
>> in the menu (the menu shows an empty line instead of a proper host entry).
>>
>> lightdm.log shows
>> [+26.32s] DEBUG: Got Query(authentication_names=[]) from
>> 10.16.96.76:44231
>> [+26.32s] DEBUG: Send Willing(authentication_name='' hostname=''
>> status='') to 10.16.96.76:44231
>>
>> Where you can clearly see that the hostname and status strings are empty
>> (status normally shows number of users logged in and load on the remote
>> XDMCP host). It seems that lightdm does not set these fields?
>>
>> Am I missing something or is this a bug?
>>
>> Wolfgang
>>
>>
>> _______________________________________________
>> LightDM mailing list
>> LightDM at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/lightdm
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/lightdm/attachments/20160505/00765346/attachment.html>