[ros-dev] WIN32K: LPC use

[Emanuele Aliberti]

Alex Ionescu wrote:

> That code was good enough to start with user mode subsystem servers, 
> but till now it has prevented us from testing real system components 
> like the SM, CSR and friends etc. for compatibility in ROS.
> Unforunately, most of our LPC-dependent components are really broken 
> because they depend on the not-so-correct LPC implementation.
>
It probably may be fixed easily by peeking up messages from the named 
port's queue and not from the connected post's queue. That is the major 
difference.

> Also checking with some PDFs, some of our  checks are incorrect, and a 
> lot of our stuff is just hard-coded. It took me a day to figure out 
> where the max data/message sizes come from, but I think it was worth 
> it, because that was just a small step in understanding the bigger 
> picture.
>
Where do they come from? It is still a mistery for me!

> Anytime, just send it to my personal e-mail and we can collaborate.
>
Done.

About LPC flaws - This one is a good gallery by Razor:
http://www.bindview.com/Support/RAZOR/Utilities/Windows/LPCAdvisory.cfm

Emanuele