Re: implementing nmap in python

["Guilherme Polo" <ggpolo () gmail com>]

2007/8/28, Giorgio Zoppi <giorgio.zoppi () gmail com>:
> On Tue, 2007-08-28 at 11:15 -0300, Guilherme Polo wrote:
> > 2007/8/28, Giorgio Zoppi <giorgio.zoppi () gmail com>:
> > > On Sun, 2007-08-26 at 17:09 -0300, Guilherme Polo wrote:
> > > > 2007/8/26, Julius Kuhn <julikr678 () gmail com>:
> > > > > Hello!
> > > > >
> > > > > I am currently working on a python program. I mean its basically a shell and
> > > > > im trying to use nmap to portscan a host. I just wanted to know if there is
> > > > > an easy way to implement it other then os.system etc.
> > > >
> > > > Don't use os.system, use subprocess.
> > > >
> > > > > otherwise i would have
> > > > > to write my own portscanner. Thanks ..
> > > >
> > > > I don't believe this reason you are pointing is good enough to make a
> > > > new portscanner.
> > > > If you wish to do something like import nmap; nmap.scan(something) and
> > > > etc, you will need to create a set of nmap bindings for Python, and
> > > > that will be easier than creating a new portscanner that equals to
> > > > nmap.
> > > In order to do something similar, it will be useful a libnmap written in
> > > C,
> >
> > Good proposal right there. It doesn't need to be in C, C++ would be
> > possible too.
>
> Now, i'm doing my master thesis, so i've no time :).
> > > so still your gui it will avoid to start on more process to scan
> > > hosts.
> >
> > I didn't understand this. Are you talking about performance ?
>
> Yes. I suppose that your code does some fork+execv in order to start
> scanning isn't it?  With a libnmap, your gui will need only to register
> an event or a callback, in order to get scan results.

Using subprocess that will happen, yes. A callback would be much
better, but what is better is to not rely on OS spawning a new process
like that, so many things could go wrong...

But I believe that question wasn't to me, since I didn't start this thread.

> Cheers,
> Giorgio.


-- 
-- Guilherme H. Polo Goncalves

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