Re: Nmap 4.20ALPHA6 and libpcap 0.9.4

[Fyodor <fyodor () insecure org>]

On Wed, Sep 06, 2006 at 05:23:09PM -0400, Okan Demirmen wrote:
> i just noticed that namp is now checking for a libpcap of at least
> 0.9.4. what specifically is the requirement of 0.9.4? i ask for some
> OS's pull in functions of newer api's without pulling the entire thing,
> hence versioning is off.

By default Nmap uses its own (0.9.4) Libpcap in favor of older
existing pcaps.  Nmap uses some features which may not exist in
ancient versions (such as get_selectable_fd(), and may also benefit
from bug fixes and any performance improvements in newer releases.
But you should be able to use the --with-libpcap=[dir] configure
directive if you really want to use the version you already have
instead.

> for example, if i pull that test out and let nmap use openbsd's built-in
> libpcap, everything functions normally (from i can tell so far).
> openbsd's libpcap has almost all the .9 api's, if not all (i'll have to
> check).

0.9.4 has been out for almost a year now, so maybe it is time that
OpenBSD consider upgrading to that version.  But that is up to you
guys.  And Nmap will probably work fine with the version you have (or
you could let Nmap use its included version).

Cheers,
-F

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