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Date: Sat, 8 Jan 2005 17:26:29 +0000 (GMT)
From: Robert Watson <rwatson@freebsd.org>
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To: Ivan Voras <ivoras@fer.hr>
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cc: hackers@freebsd.org
Subject: Re: Raw sockets problem?
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On Sat, 8 Jan 2005, Ivan Voras wrote:

> I've just noticed I can't create a raw socket on 5.3-RELEASE, while the
> same code works on 5.2. I get 'Protocol not supported' error on code
> like this: 

I've not got a 5.2 box on hand, but this appears not to work on 4.x. 
There isn't a domain handler for AF_LINK, so you shouldn't be able to
create a socket of that type, so if it was possible in 5.2, it was likely
a bug.

Robert N M Watson


> 
> #include <stdio.h>
> #include <stdlib.h>
> #include <string.h>
> #include <sys/socket.h>
> #include <errno.h>
> 
> void main() {
>      int sock = socket(AF_LINK, SOCK_RAW, 0);
>      if (sock < 0)
>          printf(strerror(errno));
> }
> 
> Code like this *seems* ok (and I'm sure it worked on 5.2)... why does it 
> fail now?
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