oskar456

#!/usr/bin/env python3

import subprocess
import json
import os
from pathlib import Path

import requests
from requests.compat import urljoin

oskar456

CLAT for Linux using ipvlan

This proof of concept uses ipvlan feature of Linux to split up main network interface into two in order to use one in a separate namespace with jool-siit performing CLAT translation.

This way, enabling CLAT is least intrusive to the default network namespace - no need to enable forwarding or touch firewall rules.

oskar456

#!/usr/bin/env python3
"""
Analyze a PCAP file containing DHCP Discover messages.
Print stats including number of unique MAC addresses,
number of MAC addresses requesting DHCP option 108
(IPv6-only Preferred) and MAC adresses flapping between
requesting and not requesting it.

To collect PCAP file, tcpdump can be used like this:

oskar456

#!/usr/bin/python2
# vim: expandtab ts=4 sw=4
# Inspired by http://www.raspberrypi-spy.co.uk/2015/03/bh1750fvi-i2c-digital-light-intensity-sensor/


import smbus
import time

class BH1750():
    """ Implement BH1750 communication. """

oskar456

#!/usr/bin/env python3

import urllib.request

from collections import defaultdict

DELEGSTATS = "https://ftp.ripe.net/ripe/stats/delegated-ripencc-extended-latest"

def main():
    """

oskar456

#!/bin/bash

IP="/bin/ip"

function prepare_rt_table() {
        local rttables=/etc/iproute2/rt_tables
        local iface=$1
        [[ "${iface}" = 'lo' ]] && return
        if ! egrep -q "\s${iface}\s*"\$ $rttables; then
                idx=$(wc -l <$rttables)

oskar456

#!/bin/sh

check_reachability() {
        local target="$1"
        local retval
        ping6 -c1 -W1 "$target" >/dev/null 2>&1
        retval="$?"
        [ "$retval" -eq 2 ] && {
                ping -c1 -W1 "$target" >/dev/null 2>&1
                retval="$?"

oskar456

#!/usr/bin/env python3
import datetime

def getholidays(year):
    """Return a set public holidays in CZ as (day, month) tuples."""
    
    holidays = {
                (1, 1),   #Novy rok
                (1, 5),   #Svatek prace
                (8, 5),   #Den vitezstvi

oskar456

diff --git a/src/router.c b/src/router.c
index 541c023..9ad79d4 100644
--- a/src/router.c
+++ b/src/router.c
@@ -390,6 +390,7 @@ enum {
 	IOV_RA_ROUTES,
 	IOV_RA_DNS,
 	IOV_RA_SEARCH,
+	IOV_RA_PREF64,
 	IOV_RA_ADV_INTERVAL,

oskar456

#!/bin/bash

set -e

if [[ "$#" -lt 1 ]]; then
        echo "Usage: $0 <hostname or IP address>"
        exit
fi

host="$1"