From 55036e84133d32d74ab0181374ac7f1255ad1d2a Mon Sep 17 00:00:00 2001 From: Daniel STAN Date: Thu, 21 Jun 2012 10:54:46 +0200 Subject: [PATCH] [ip6tools] ajout du fichier MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Ignore-this: 83905e3cec5a0124d3c2bf400fc7a9ab Cette lib (une seule fonction ok) est utilisée par gest_crans darcs-hash:20120621085446-28565-e4802e500b1ceee4be7d3db3b75c82c331debef6.gz --- gestion/ip6tools.py | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100755 gestion/ip6tools.py diff --git a/gestion/ip6tools.py b/gestion/ip6tools.py new file mode 100755 index 00000000..714ebd59 --- /dev/null +++ b/gestion/ip6tools.py @@ -0,0 +1,33 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +# +# IP6TOOLS.PY -- IPv6 manipulation routines +# +# Copyright © 2011 Nicolas Dandrimont +# +# Authors: Nicolas Dandrimont +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +import netaddr + +import config + +def mac_to_ipv6(ipv6_prefix, mac_address): + """Convert a MAC address (EUI48) to an IPv6 (prefix::EUI64).""" + + addr = int(mac_address.bits(netaddr.mac_bare), 2) + ip6addr = (((addr >> 24) ^ (1 << 17)) << 40) | (0xFFFE << 24) | (addr & 0xFFFFFF) + n = netaddr.IPNetwork(ipv6_prefix) + return netaddr.IPAddress(n.first + ip6addr)