Re: GDM <-->Greeter protocol documentation

[Chookij Vanatham <chookij mpkmail eng sun com>]

I learned from reading the source code too.
Just curious what are you trying to do ?

Chookij V.


> Dear list members:
> 
> I am curious about the GDM <--> Greeter Protocol. There doesn't seem to
> be documentation about it and the only information I have found about it
> is through the source code.
> 
> Does anyone know of a paper about it?
> 
> I know it's a simple ASCII protocol but certain questions arise. For
> example:
> 
> Is the communication between gdm and the greeter like:
> 
> 	1) gdm waits for the user name
> 	2) gdm sends some more data (like prompt or something similar)
> 	3) gdm waits for the password
> 	4) gdm sends some more data (like if auth ok...)
> 	5) all over again??
> 
> If so who would initiate the conversation? Would the gdm say some
> "initial" stuff to the greeter just as it starts? Would the gdm just
> wait for the initial input?
> 
> Or maybe they aren't waiting in turns for each other. Maybe they are
> asynchronous and non blocking?
> 
> Thank you in advance for any attention given. I greatly appreciate any
> help.
> 
> Truly yours,
> Rodrigo Madera
> 
> Software Developer
> Insigne Free Software do Brasil
> www.insignesoftware.com
> 
> 
> 
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