IPPROTO_DIVERT and PF_INET6

[Edwin Groothuis]

On Mon, May 05, 2008 at 04:18:54PM -0700, Julian Elischer wrote:
> Edwin Groothuis wrote:
> >On Mon, May 05, 2008 at 01:15:29PM -0700, Julian Elischer wrote:
> >>>This should provide a direct answer to you question of "why"?  But I
> >>>suspect the underlying question is why divert sockets aren't supported
> >>>for IPv6.  I don't know why.
> >>because no=one has done it and because divert sockaddrs are ipv4 sockaddrs
> >>
> >>you would have to make a new divert6 protocol.
> >>That's not impossible, but no-one has done it.
> >
> >I've been looking at it, with hints from rwatson@ and bms@, but the
> >problem right now lays in the way you can do dynamic protocol
> >registrations with IPv4 but not yet with IPv6. Every time when I
> >get one step further I end up with a new problem :-(
> >
> >Let's call it a learning excercise!

My adventures are written down at
http://www.mavetju.org/weblog/html/00231.html

> you could implement a whole new protocol family of which there
> was a single protocol..  divert.
>     so you would open a socket of type.
> 
>      sock = socket(PF_DIVERT, SOCK_RAW, DIVPROTO_6);
> instead of
> 
>         sin = socket(PF_INET6, SOCK_RAW, IPPROTO_DIVERT);

Euhm... that would make my goal more noble but certainly near
impossible for me.

Edwin
-- 
Edwin Groothuis      |            Personal website: http://www.mavetju.org
edwin at mavetju.org    |              Weblog: http://www.mavetju.org/weblog/