Processes and mmap

[Darren Tucker]

Georgi Chulkov wrote:
> Hello,
> 
> For a key exchange algorithm I'm working on, I would like to keep a little bit 
> of shared state between the main server process and the processes that 
> clients connect to. So far, I'm considering mmap for the purpose.
> 
> But I cannot figure out where I need to put the mmap initialization call, 
> where it would be called at server startup (before any fork()s/exec()s), and 
> never again.
> 
> Could someone please briefly explain how OpenSSH manages its various 
> processes - such as when processes are created and where in the code that 
> happens?

Try Neils Provos' paper on privsep:
http://www.citi.umich.edu/u/provos/ssh/privsep.html

If you still have questions after reading that, then please feel free to 
ask here.

-- 
Darren Tucker (dtucker at zip.com.au)
GPG key 8FF4FA69 / D9A3 86E9 7EEE AF4B B2D4  37C9 C982 80C7 8FF4 FA69
     Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.