Ethereal-dev: Re: [Ethereal-dev] Re: Subject: [Ethereal-users] Undefined struct 'sockaddr_stor
Ulf,
the dependence on the platform SDK has been introduced, if I remember
well, in the first alpha of 3.1, when we added the ability to return
IPv6 addresses for the datected adapters.
The PacketGetNetInfoEx() function of packet.dll returns these addresses
to the calling application in an application-allocated array of struct
sockaddr_storage, and therefore the application needs the definition of
that structure.
If I remember well, wpcap has a different approach: it provides storage
for addresses in the list created by pcap_findalldevs, therefore the
application can use a normal struct sockaddr and ignore the address if
it doesn't understand IPv6. This is the reason, I think, why we don't
document the dependence on the platform SDK in the developer's pack:
wpcap-based apps *should* not be dependent on the platform SDK (I may be
wrong, I didn't try without it recently), and the developer's pack *is*
for wpcap-based apps.
The platform SDK is freely available on the internet (just google
"platform SDK"), and in a general way it's suggested when developing
networking applications for Windows.
BUT, since last version, MS decided to make it incompatible with Visual
Studio 6, and therefore you are forced to have VS.NET or better to for
the definition of struct sockaddr_storage.
Or define it on your own somewhere.
Loris
Ulf Lamping wrote:
Hi Ross!
I've found some time to install the WpdPack_3_1.zip and ran into the same problem than you.
The problem is: the file Packet32.h shipped with WpdPack's version 3.1 is now using "struct sockaddr_storage" which is not part of the Win32 API but part of the Windows "Platform SDK", which is not part of MSVC (and must be installed). The platform SDK contains more recent implementations, like this struct which is used for IP V6 addressing.
See: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winsock/winsock/sockaddr_storage_2.asp for details of this struct.
So the solution for now: install the Platform SDK (didn't tried myself) or use the WpdPack 3.0 for now.
I've CC this to the WinPcap developer list if they are aware of this and what they suggest to do about it.
At least, I didn't found any hints that the Platform SDK is required if you want to use Packet32.h in their documentation ...
The SDK is only mentioned to compile the WinPcap drivers itself: http://www.winpcap.org/docs/docs31/html/group__compilation.html
Regards, ULFL
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