[Winpcap-users] How to access IPv6 addrs of interfaces frompcap_findalldevs()?

Gianluca Varenni gianluca.varenni at cacetech.com
Mon May 4 13:29:43 PDT 2009

Please have a look at the iflist example in the WinPcap developer's pack. It 
shows how to get the IPv6 addresses.

Have a nice day

----- Original Message ----- 
From: "YG" <yagibear at gmail.com>
To: <winpcap-users at winpcap.org>
Sent: Sunday, May 03, 2009 4:49 PM
Subject: [Winpcap-users] How to access IPv6 addrs of interfaces 

> What is the current way to access IPv6 address information for
> interfaces identified with pcap_findalldevs()?
> Documentation at
> http://www.winpcap.org/docs/docs_40_2/html/group__wpcapfunc.html, and
> derived links, suggests that pcap_findalldevs*() only return IPv4
> addresses: They return pcap_if_t , which in turn has a list of
> addresses in pcap_addr form, which stores addresses as
> as 32b IPv4 sockaddr type.  News
> http://www.winpcap.org/misc/changelog.htm from 3 feb 04 claims
> "pcap_findalldevs() and pcap_findalldevs_ex() return IPv6 addresses" &
> no subsequent news withdraws that claim.  I would expect to see
> sockaddr_storage used for IPv6, but in the include files, I can only
> see that in inpacket32.h in the context of PacketGetNetInfoEx(), which
> I don't know how to access.  The closest that I've felt to a
> conclusion is from reading
> http://www.winpcap.org/pipermail/winpcap-users/2005-August/000258.html
> which suggests sockaddr_storage caused portability problems.
> I'm using winpcap 4.0.1 with Windows XP SP3 and Visual Studio 2008.
> Thanks for any help you can provide.
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