XPost: linux.debian.bugs.dist, linux.debian.maint.ipv6

Package: wnpp
Severity: wishlist
Owner: Daniel Gröber <dxld@darkboxed.org>
X-Debbugs-Cc: debian-devel@lists.debian.org, debian-ipv6@lists.debian.org, dxld@darkboxed.org

Forging ever on along the IPv6-only path.

RAcd is a peice of glue intended to allow system components such as
src:clatd to interface easily with IPv6 router advertisements, but while
I'm at it I may as well fix my gripes with Linux ipv6/addrconf — something that will ofc. be configurable.

The relatively recent addition of PREF64 to IPv6 standards has shown that ossification is a terrible idea in a modern protocol implementations and
leads to sluggish deployment of perfectly good, but new, ideas.

RAcd is my fork of rdnssd (src:ndisc6) with DNS-configuration specific code pushed out of the C-part of the program with a generalized mechanism to let
the system interface with it in it's place.

* Package name : racd
Version : 0.1 (native package)
Upstream Contact: Daniel Gröber <dxld@darkboxed.org>
* License : GPL-2 or GPL-3
Programming Lang: C
Description : Extensible IPv6 Router Advertisement Client Daemon

The RAcd userspace daemon takes over responsibility for IPv6 RAs from the
Linux kernel. It does so by kicking off the necessary system changes using
a system specific script akin to a DHCP client.
.
RAcd fixes some rough edges in the kernel ipv6/addrconf facility and goes
back to the good'ol unix ways of being simple, portable and composible.

I haven't 100% decided on the script interface yet. I'm thinking either (binary) files in /run/racd/$IFACE (in raw ICMPv6 option format) with a commandline tool to query them or just steal the dhclient design involving envvars.

I like the idea of having the state of RAs passively queryable in the
system somewhere so we could (in theory) always check what the state of the system should be given a RA state, but maybe it's not actually so important given rdisc6 exists for admins.

Personally I always found the dhclient script style to be very hard to work with so maybe I should just follow my experience here.

I plan on maintaining racd myself, but co-maintainers are, as always,
welcome. Perhaps once some other people get interested in IPv6 again we
could start a team :-).

--Daniel

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