Re: libipq/payload doubt

[Ulysses Almeida <munky@maluco.com.br>]

  Realy sorry, for this stupid question.. i just find iphdr->protocol
that answers my first question. I don't have a clear idea about
payload yet, but I'm walking on this direction.

  Best regards

On Wed, May 19, 2004 at 08:03:06PM -0400, Ulysses Almeida wrote:
>   Thanks, all, I just tried with htons(), and every thing works fine.
> 
>   Now I another doubt. I alredy read ip_queue.c, and alredy understood,
> that payload is skb->data.
> 
>   memcpy(pmsg->payload, entry->skb->data, data_len);
> 
>   But, skb->data isn't clear enough on my head. If I queue every packge,
> can I know which type is it? (TCP/UDP/ICMP), just looking for payload?
>   Packet data, can be analyzed on userspace, or maybe changed?
> 
>   How can i get a payload X-ray?
> 
>   When i tried something like printf ("%d\n", tcph->syn); i started to
> recive "passer: Received message truncated: No such file or directory"
> from my program. What is it means?
> 
>   The last question, probably I can easily find on google, but the
> other ones, I can't find that easy
> 
>   I think that's it for today! (One day I'll be able to answer
> begginers question, yes I will, I belive in that! ;))
> 

-- 
    .~.  Ulysses Almeida
   / V \  munky@maluco.com.br
 / (   ) \  Seja livre, use GNU/Linux! 
   ^^-^^