aachyee

#!/bin/sh
# Copyright (C) 2016 The Linux Containers Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software

aachyee

#!/bin/bash

function ::netmask2cidr()
{ 
  case $1 in
      0x*)
      local hex=${1#0x*} quad=
      while [ -n "${hex}" ]; do
        local lastbut2=${hex#??*}
        quad=${quad}${quad:+.}0x${hex%${lastbut2}*}

aachyee

# $1 is a decimal number between 0-255
dec2bin () {
    [ -z "$1" ] && return
    D2B=({0..1}{0..1}{0..1}{0..1}{0..1}{0..1}{0..1}{0..1})
    echo ${D2B[$1]}
}

# $1 is ip address (dotted quad)
# $2 is netmask (dotted quad)
calc_network () {

aachyee

# Return netmask for a given network and CIDR.
cidr_to_netmask() {
    value=$(( 0xffffffff ^ ((1 << (32 - $2)) - 1) ))
    echo "$(( (value >> 24) & 0xff )).$(( (value >> 16) & 0xff )).$(( (value >> 8) & 0xff )).$(( value & 0xff ))"
}

aachyee

#!/bin/bash    
############################
##  Methods
############################   
prefix_to_bit_netmask() {
    prefix=$1;
    shift=$(( 32 - prefix ));
    bitmask=""
    for (( i=0; i < 32; i++ )); do
        num=0

aachyee

#!/bin/bash

# Calculates network and broadcast based on supplied ip address and netmask

# Usage: broadcast_calc.sh 192.168.0.1 255.255.255.0
# Usage: broadcast_calc.sh 192.168.0.1/24


tonum() {
    if [[ $1 =~ ([[:digit:]]+)\.([[:digit:]]+)\.([[:digit:]]+)\.([[:digit:]]+) ]]; then

aachyee

#!/bin/bash    

############################
##  Methods
############################   
prefix_to_bit_netmask() {
    prefix=$1;
    shift=$(( 32 - prefix ));

    bitmask=""

aachyee

#!/bin/bash    

############################
##  Methods
############################   
prefix_to_bit_netmask() {
    prefix=$1;
    shift=$(( 32 - prefix ));

    bitmask=""

aachyee

sudo apt-get -y install gcc g++ make cmake doxygen pandoc awk sed perl python3 python-is-python3 m4 bison flex lzip lcov git zlib1g-dev libssl-dev libnghttp2-dev autoconf autoconf-archive autogen automake autopoint libtool pkg-config texinfo nettle-dev libunistring-dev gettext make libbz2-dev libbrotli-dev libzstd-dev liblz-dev libpcre2-dev libmicrohttpd-dev libgpgme-dev liblzma-dev libgnutls28-dev libgcrypt20-dev git-merge-changelog libidn2-0 libpsl-dev # libpcre3-dev nettle-bin lzma brotli zstd lzip

cd ~/Downloads
mkdir wget-dev
cd wget-dev
git clone https://gitlab.com/rockdaboot/libhsts
cd libhsts
autoreconf -fi
./configure
make

aachyee

require 'socket'
# echo server
Socket.udp_server_loop(4444) do |data, src|
  src.reply data
end

# client
addr = Socket.sockaddr_in(4444, "localhost")
socket = Socket.new(:INET, :DGRAM)
begin