On Mon, Aug 22, 2005 at 09:57:46PM -0400, Kristian Benoit wrote:
> On Mon, 2005-08-22 at 12:24 -0700, Zac Medico wrote:
> > AFAIK we can intercept getenv() calls the same way that we intercept filesystem calls.  IMO the white/black/override lists would best be implemented at this level.
>
> getenv is'nt a system call.

Nor is glibc's open call, although it hands off to a syscall .
LD_PRELOAD just inserts (essentially) it's functions into the symbol 
resolution order; your symbols get used rather then those from the 
lib.

It's possible, I just don't like it. :)
~harring