Subject: Re: dhcpd(8) & Sockets API
To: RJ Atkinson <email@example.com>
From: Matt Thomas <firstname.lastname@example.org>
Date: 01/07/2002 10:04:04
At 08:39 AM 1/7/2002 -0500, RJ Atkinson wrote:
>Dennis's analysis seems dead-on to me. The fix would be to have some
>kind of BSD Sockets API extension that could be used to identify the
>arriving interface for DHCP REQUEST packets. Ideally, such an
>extension would be coordinated with the other *BSD kernel folks,
>so it could be more widely implemented than just NetBSD.
Actually, it already exists (in a slightly different form). The IPv6
Advanced API contains just a method (IPV6_PKTINFO). Just use the same
abstraction for IPv4 (IP_PKTINFO, struct in_pktinfo). It's trivial.
I've done it in a private source pool.
Matt Thomas Internet: email@example.com
3am Software Foundry WWW URL: http://www.3am-software.com/bio/matt/
Cupertino, CA Disclaimer: I avow all knowledge of this message