Re: pcap_findalldevs_ex() and libpcap

["Gianluca Varenni" <gianluca.varenni () cacetech com>]

----- Original Message ----- 
From: "Abdelrazak Younes" <younes () lyx org>
To: <tcpdump-workers () lists tcpdump org>
Sent: Tuesday, December 09, 2008 7:05 AM
Subject: [tcpdump-workers] pcap_findalldevs_ex() and libpcap


> Hello there,
>
> I am slowly learning libcap which I find quite useful, thanks a lot to the 
> authors.
>
> I have this piece of code from a Winpcap using program that uses 
> pcap_findalldevs_ex(). WinPcap documentation says that pcap_findalldevs() 
> is obsolete and one should use pcap_findalldevs_ex() instead:
>
> http://www.winpcap.org/docs/docs_41b4/html/group__wpcapfunc.html#g7b128eaeef627b408f6a6e2a2f5eb45d
>
> Problem is that libpcap-1.0.0 doesn't have this function, what's the 
> catch?

That function is WinPcap-specific (i.e. it's not available in the vanilla 
libpcap for the other OSes). I think the example from WinPcap that you are 
using is from the folder wpdpack\Examples-remote that contains samples using 
WinPcap-specific functions. Usually there's always a corresponding sample in 
wpdpack\Examples-pcap using functions available in libpcap as well.

Regarding pcap_findalldevs being obsolete, it's an error in the 
documentation. I've already updated the documentation on our repository, but 
it's been out in any public release of WinPcap.

Have a nice day
GV

> Thanks in advance for any hint.
> Abdel.
>
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