Re: GDM login editing.

[Chookij Vanatham <Chookij Vanatham sun com>]

Hi Brent,

Here is a very little bit guidance. Perhap, it could be a starting point.
I'm new to gdm as well.

> I am installing linux and winbind on our schools computer lab.  We 
> still have windows clients so it is easier to not change the 
> authentication system.
> 
> Winbind users have a username of DOMAIN+username where the "+" is the 
> winbind separator.
> 
> What I would like to do is have the login fields for gdm to match the 
> windows login fields so that the students login the same way on all the 
> machines on my network.
> 
> Essential I would like the GDM screen to have the following fields 
> displayed
> 
> Username
> Password
> Domain
> 
> I would like username and password to be blank and Domain to have a 
> default setting(specified in a file somewhere)
> 
> I would like it to take the Domain and append the username with the 
> winbind separator in between then pass that as the username to login 
> for auth.
>
Problably, you need to modify the gdm2/daemon/slave.c.
gdm_verify_user(GdmDisplay, *username,..) is doing the authentication.
Problably, GdmDisplay should have another entry for domainname.

Not sure whether "Domain+username" should be passed to PAM or
Winbind.

> 
> Is this possible, easy, already done somewhere.
> 
> If it is a matter of editing some XML, 
>
Editing XML file is not enough. You will have to add coding to
gdm2/gui/greeter/greeter_parser.c to parse "Domain" xml entry
and try to pass this domain info into gdm_verify_user().

> and making a perl script to sit on top of GDM then I may be able to do it.
> However, I don't know how GDM works at all so I am looking for a little
> guidance.
I would say that reading gdm2 source is the way to go...

Chookij V.

> 
> Thanks
> 
> Brent Ellis
> Match School
> bellis matchschool org
> 
> 
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