password change protocol implementation

[Ken Hornstein]

>The KDC code already has code for binding to each interface, managing
>the select loop, calling out to a processing routine, and sending the
>response back to the client, and it supports IPv6.  If that could be
>adapted to work in the chpw server, that gives us one piece of code to
>maintain instead of two.  It also gives us one place instead of two to
>implement enhancements, like Mark Eichin's request for a means of
>specifying the addresses to be used instead of using all available
>addresses (ticket #987, actually for krb524d, which could also stand
>to use the same socket management code), or support for socket option
>IPV6_PKTINFO (RFC 3542).

Hm.  That seems like a good idea ... but how do you want to implement
it, since chpw is in the admin server and is seperate from the KDC?
Do you want to have the kadmin server Makefile reach over and compile
network.c from the KDC directory?

--Ken