Re: [NSE] Lua implementation merged into Nmap trunk

[David Fifield <david () bamsoftware com>]

On Sun, Apr 05, 2009 at 02:11:57AM -0600, Patrick Donnelly wrote:
> As noted above, these functional changes do not directly affect script
> execution but do affect how NSE operates. Users can expect to see NSE
> perform with less baffling errors and with more meaningful debug
> output.

This is my primary hope for the new code. We had been running into
memory corruption bugs in NSE that were very hard to reproduce. I think
Patrick knows what he's doing with keeping references and my hope is
that these problems will be solved.

> also inspect how the engine actually runs their code. Further, because
> nse_main.lua is recompiled across Nmap invocations, a user can
> actually change how NSE operates without recompiling Nmap. For
> example, one could add more debug output when developing scripts among
> other endless possibilities.

Patrick did an excellent job keeping the changes for this merge
localized and relevant--you can see exactly what's different with
        svn diff -c 12887
Notable is the complete deletion of nse_init.cc. The main action is now
in nse_main.lua. nse_main.cc is now mainly glue code so that Lua can
access some of Nmap's functions.

David Fifield

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