Re: [PATCH] prevent NSE initialization when no scripts are to be used

[David Fifield <david () bamsoftware com>]

On Sat, Jul 18, 2009 at 09:25:57PM +0400, Solar Designer wrote:
> On Sat, Jul 18, 2009 at 07:35:48PM +0400, Solar Designer wrote:
> > This makes me wonder: when Nmap is built with NSE support, is there no
> > way to request the non-NSE-enabled -sV behavior from the command-line?
> > If so, this sounds like a shortcoming.
>
> I've just tested, and -sV alone appears to work like it used to without
> NSE.  I have to add -sC (or use -A) in order to get additional info via
> the scripts.  This is just right, but then I am puzzled why -sV alone
> requires open_nse() to work when Nmap is built with NSE support, but it
> works just fine (producing the same output for me) when Nmap is built
> without NSE support.  Is this another thing for us to patch such that
> -sV alone would not require open_nse()?

-sV enables NSE scripts in the "version" category, and there are only a
few of those. http://nmap.org/nsedoc/categories/version.html. If none of
them produce output, which is the common case, the output will be the
same as if NSE version detection had not been done.

David Fifield

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