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SkypLabs / signal.c
Last active January 5, 2017 16:03
Example of how to manipulate UNIX signals in C
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#define SIGTERM 15
#define SIGKILL 9
#define SIGINT 2
void signal_handler(int signal)
{
@SkypLabs
SkypLabs / echo_color.sh
Last active September 20, 2018 09:59
Bash functions to display messages with color
# Green
function echo_ok {
echo -e "\033[32m[OK]\033[0m $@"
}
# Red (using strerr as output)
function echo_err {
echo -e "\033[31m[ERROR]\033[0m $@" 1>&2
}
@SkypLabs
SkypLabs / ATAVRSBIN1_i2c.ino
Last active May 25, 2018 20:01
Sample code used to retrieve measurements from the ATAVRSBIN1's gyroscope - See https://blog.skyplabs.net/2014/10/06/test-de-la-carte-de-developpement-a-capteurs-inertiels-atavrsbin1-datmel/ (French)
#include <Wire.h>
void setup()
{
Wire.begin();
Serial.begin(9600);
}
const float gyro_factor = 14.375;
@SkypLabs
SkypLabs / is_ipv4.sh
Last active January 6, 2017 01:12
Bash function for testing an IPv4 address
is_ipv4() {
local -r regex='^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$'
[[ $1 =~ $regex ]]
return $?
}
@SkypLabs
SkypLabs / nec_decoder.sh
Last active May 25, 2018 20:00
Files used by the TV RC project described at https://blog.skyplabs.net/2012/06/10/telecommander-sa-television-et-ses-autres-appareils-a-infrarouge-depuis-son-smartphone/ (French)
#!/bin/bash
# Returns the decimal value of the payload contained in NEC infrared frames.
#
# Uses the ouput of the mode2 tool from the LIRC project as input.
if [ -z "$1" ]
then
echo "Usage: $0 <LIRC decode file>"
exit 0
@SkypLabs
SkypLabs / Makefile
Created January 6, 2017 12:44
Sample code and its Makefile for Arduino Uno using the AVR library
MCU = atmega328p
TARGET_ARCH = -mmcu=$(MCU)
TARGET = main
CC = avr-gcc
CPPFLAGS = -mmcu=$(MCU)
CFLAGS = -Os -g -Wall -I. -DF_CPU=16000000
LDFLAGS = -g -mmcu=$(MCU) -lm -Wl,--gc-sections -Os
PGMER = -c arduino -b 115200 -P /dev/ttyACM0
PGMERISP = -c avrispv2 -P /dev/ttyACM0
DUDE = /usr/bin/avrdude -V -p $(MCU)
@SkypLabs
SkypLabs / db.php
Last active May 25, 2018 20:02
Sample code to show how to handle database error messages in PHP according to the current user's status - See https://blog.skyplabs.net/2011/03/19/afficher-les-erreurs-sql-de-php-seulement-aux-personnes-concernees/ (French)
<?php
// Connection variables.
$db_type = "";
$db_host = "";
$db_user = "";
$db_password = "";
$db_database = "";
// We test the connection with the database.
try
@SkypLabs
SkypLabs / Keybase.md
Created February 3, 2017 14:28
Keybase Proof

Keybase proof

I hereby claim:

  • I am skyplabs on github.
  • I am skyplabs (https://keybase.io/skyplabs) on keybase.
  • I have a public key ASCWCei4GtX0zKqBRc8JkNBZ8K8gI8JFCmhl3mTtd-gHNwo

To claim this, I am signing this object:

@SkypLabs
SkypLabs / Dockerfile
Last active June 2, 2022 22:37
[Angular] Running unit tests with Chromium in a Docker container: http://blog.skyplabs.net/2017/08/29/angular-running-unit-tests-with-chromium-in-a-docker-container/
FROM docker.io/node:8-stretch
LABEL net.skyplabs.maintainer-name="Paul-Emmanuel Raoul"
LABEL net.skyplabs.maintainer-email="[email protected]"
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update \
&& apt-get install -y --no-install-recommends chromium
@SkypLabs
SkypLabs / sniff_main_thread.py
Last active April 24, 2023 12:05
Multiple code examples used to demonstrate some issues and a solution to sniff network packets inside a thread using Scapy
from scapy.all import *
interface = "eth0"
def print_packet(packet):
ip_layer = packet.getlayer(IP)
print("[!] New Packet: {src} -> {dst}".format(src=ip_layer.src, dst=ip_layer.dst))
print("[*] Start sniffing...")
sniff(iface=interface, filter="ip", prn=print_packet)