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Re: Writing system calls.



mark, i believe the link is:

http://packetstorm.securify.com/groups/thc/LKM_HACKING.html

this guy wrote examples of inline assembly.  *laugh*.  it's a LONG
document!  it must have taken him *months* to write.

jeez.  when i was 13, i was disassembling and commenting on apple ][ dos 3.3.
didn't have the discipline to write anything quite this long.  i have a
strange respect for this guy.

pete

On Wed 07 Mar 01,  4:46 PM, Mark McLoughlin said: 
> On Wed, 7 Mar 2001, Dragos, Radu wrote:
> 
> > Does anyone know a good documentation about writing new system calls ??
> >
> > Thanks.
> 
> here's a link to some lab work for a university module on the subject
> http://www.cc.gatech.edu/classes/AY2001/cs3210_fall/labs/syscalls.html
> 
> and there was also a pretty interesting article on using modules for
> cracking that was based heavily on intercepting syscalls. I have only
> a hardcopy of it, the original webpage has disappeared, but you
> might be able to find a copy somewhere googling for
> "linux kernel modules pragmatic"
> 
> It's a useful thing for getting to understand the kernel, I think,
> but I doubt anyone would have a serious need to do it.
> 
> Good Luck,
> Mark

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