artizirk

#!/usr/bin/env python3
"""
run this to keep the watchdog happy

curl localhost:8080

or from js

setInterval(function(){ fetch("localhost:8080"); }, 3000);

artizirk

#!/usr/bin/env python3
## Try all of the passwords for gpg openpgp key
from subprocess import run

p = open("/tmp/passwords.csv")
passwords = set()
for line in p.readlines():
    passwords.add(line.split(",")[2].strip().replace('"',''))
for password in passwords:
    print(password)

artizirk

#!/usr/bin/env python3
from pprint import pprint
from subprocess import run
passwords = set()

with open("/tmp/passwords.csv") as f:
    for line in f.readlines():
        passwords.add(line.split(',')[2].strip().strip('"'))

for password in passwords:

artizirk

void __attribute__ ((noinline)) print_semihosting(const void *buf, uint32_t size)
{
    uint32_t args[3];
    args[0] = 1;
    args[1] = (uint32_t)buf;
    args[2] = size;
    asm(  "mov r0, #5\n"
          "mov r1, %0\n"
          "bkpt 0x00AB" : : "r"(args) : "r0", "r1", "memory");
}

artizirk

def _slow_crc(data, seed=0xFFFF_FFFF, polynomial=0x04C11DB7):
    """
    STM32 CRC that is actually CRC-32/MPEG2 but input data is read as litle-endian (not big-endian like MPEG)
    """
    crc = seed

    # Pad data if needed
    pad_len = len(data) % 4
    if pad_len > 0:
        words = array.array('I', data[:-pad_len])

artizirk

#!/usr/bin/env python3
""" XInput Game Controller APIs

Pure Python implementation for reading Xbox controller inputs without extra libs

Copyright (C) 2020 by Arti Zirk <arti.zirk@gmail.com>

Permission to use, copy, modify, and/or distribute this software for any purpose
with or without fee is hereby granted.

artizirk

/dts-v1/;
/plugin/;

/* Based on https://github.com/wens/linux/commits/sun4i-drm-tve-vga-wip */
/* Tested with Cubetruck */
/* save it somewhere and run sudo armbian-add-overlay vga.dts */

/ {
	compatible = "allwinner,sun4i-a10", "allwinner,sun7i-a20", "allwinner,sun8i-h3", "allwinner,sun50i-a64", "allwinner,sun50i-h5";

artizirk

/dts-v1/;
/plugin/;

/ {
	compatible = "friendlyelec,nanopi-r2", "rockchip,rk3328";

	fragment@0 {
		target-path = "/gpio-keys/button@0";
		__overlay__ {
			linux,code = <116>;

artizirk

#!/usr/bin/env python3
"""
This script implements systemd-nspawn MAC aadress generation algorithm
"""

import sys
import struct
from subprocess import run

import siphashc  # https://pypi.org/project/siphashc/

artizirk

ISC dhclient IPv6 prefix delegation hook script

Based on this https://gist.github.com/jayeye/689cb1de2275798659c58c62ab92cfaa

#!/usr/bin/env python3

import ipaddress
import os
import sys