access_table() challenge - win a Samba t-shirt!

[Luke Kenneth Casson Leighton]

On Mon, 17 Jan 2000, Michael Glauche wrote:

> Luke Kenneth Casson Leighton wrote:
> > 
> > On Mon, 17 Jan 2000, Michael Glauche wrote:
> >
> > oh!  i wonder what happens if you convert this to ACL format?  what
> > happens if we convert this into an ACL, with execute permissions etc being
> > requested, etc?
> > 
> > i wonder if a bitmask is better for this because in NT it _is_ implemented
> > as a bitmask - SEC_ACCESS_EXECUTE; SEC_ACCESS_READ etc!
> 
> Well .. it really looks like some tricks with bitmasks ...
> Something like :
> DOS_OPEN_RDONLY = 01
> DOS_OPEN_WRONLY = 10
> DOS_OPEN_RDWR   = 11
> 
> (so that ..RDONLY + ..WRONLY = RDWR)

ok, so we translate the whole lot into SEC_ACCESS bitmask permissions,
create an ACE-checker (which does SEC_ACCESS_FULL_CONTROL asa special
case), and see what happens.

it should be subdivided around the is_same_process BOOl because that's
just plain weird.