Unix Programming - Re: sending a packet using raw socket

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Re: sending a packet using raw socket

Rainer Temme

2006-04-02, 7:41 pm

manu wrote:

> now i am trying to write various structures and convert it to strings
> for sendto..

No, you don't do this!
You convert your "program-internal" data to exactly that
data-representation that is required by the standard of
the protocol that you're implementing.

If you develop your own protocol, write the required
standard first.

> My question is..
> for handling ICMP packets, the structure is defined in ip_icmp.h, but
> for OSPF no header file is defined.

You certainly should get a copy of RFC-2328
(see http://www.faqs.org/rfcs/rfc2328.html )
and read it and try to undersdtand it. (This RFC describes OSPF)

Rainer