Raw Socket support using Cygwin.

Thu Mar 22 17:15:00 GMT 2001

 
 
> -----Original Message-----
> From: Prabhune, Abhijeet [ mailto:APrabhun@ciena.com ]
> Sent: Friday, March 23, 2001 12:07 PM
> To: 'cygwin-apps@cygwin.com'
> Cc: 'cygwin-developers@cygwin.com'
> Subject: Raw Socket support using Cygwin.
>>> Hi,
> I am developing a program which requires Raw Ip Sockets on 
> Windows NT 4.0
> I know that Winsock2 provided by Microsoft does not provide 
> this support.
> Also Cygwin library is built on top of Winsock, so it 
> probably does not
> provide this? 

Correct
>However I see that Cygwin has tweaked certain 
> parts to provide
> more complete unix like functionality e.g. select() call.
> Hence the question, does Cygwin support raw ip socket option? 
> Looking at the
> code I have (version 1.1.8) I don't think so? Has anyone 
> tried to use this?

Possibly, but without cygwin support they won't get very far.
> Has anyone contributed to cygwin for raw ip socket support? 
> Is it possible
> to incorporate this?
> If yes can someone give me some pointers to start tweaking 
> cygwin so as to
> get raw Ip support from NT, maybe by directly accessing IP 
> interface of NT.
>> Thanks,
> Abhijeet.
>
This would be an excellent contribution to make to cygwin...
Your best bet is to look at libnet for win32, which can insert arbitrary
packets. I think it uses an intermediary network driver to achieve this.
What would be really neat would be if interfaces to that driver were
added to cygwin1.dll. 
Rob
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