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Sebastian Pipping hartwork

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hartwork / demo_libfuzzer_coverage.cxx

Created February 11, 2025 12:55

Demo effectiveness of coverage-guided fuzz testing with libFuzzer (https://llvm.org/docs/LibFuzzer.html#id30)

	// Copyright (c) 2025 Sebastian Pipping <[email protected]>
	// Licensed under the MIT license

	#include <cstdint>
	#include <signal.h>

	extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
	if (Size >= 1 && Data[0] == 'H') {
	if (Size >= 2 && Data[1] == 'e') {
	if (Size >= 3 && Data[2] == 'l') {

hartwork / show_libfuzzer_input.cxx

Last active February 11, 2025 12:20

libFuzzer fuzzer that dumps its input to stdout to get a sense of the effect of a given dictionary file (fuzzer argument "-dict=FILE")

	// Copyright (c) 2025 Sebastian Pipping <[email protected]>
	// Licensed under the MIT license

	#include <cctype> // isprint(3)
	#include <cstdint>
	#include <cstdio> // putchar(3), printf(3)
	#include <sys/param.h> // MIN(3)

	static const unsigned int MAX_LEN = 30;

hartwork / demo_rounding.py

Last active February 9, 2025 19:16

Demo rounding modes in Python (https://docs.python.org/3/library/decimal.html#rounding-modes)

	#! /usr/bin/env python3
	# Copyright (c) 2025 Sebastian Pipping <[email protected]>
	# Licensed under the MIT license

	import decimal
	import math
	import sys
	from decimal import Decimal

	import pylab

hartwork / test_pidgin_plugin_loadable.c

Created September 2, 2024 15:03

Test a Pidgin plug-in file (.dll or .so) for loadability as a GModule (originally made for Lurch in 2022)

	// Copyright (c) 2022 Sebastian Pipping <[email protected]>
	// Licensed under the GPL v2 or later

	#include <errno.h>
	#include <stdbool.h>
	#include <stdio.h>
	#include <string.h>

	#include <gmodule.h>

hartwork / copy_pidgin_plugin_dll_closure.sh

Created September 2, 2024 14:56

Copy DLL closure (all direct and indirect dependencies) of a Pidgin plug-in (originally made for Lurch)

	#! /usr/bin/env bash
	# Copyright (c) 2022 Sebastian Pipping <[email protected]>
	# Licensed under the GPL v2 or late

	set -e -u -o pipefail

	: ${DLL_HOME:?environment variable not set but required}
	: ${BUILD_DIR:?environment variable not set but required}

	direct_dependencies_of() {

hartwork / 1_percent_loss_gain.py

Created June 8, 2024 16:15

Plot 1% loss/gain per day for one year

	# Copyright (c) 2024 Sebastian Pipping <[email protected]>
	# Licensed under the MIT license

	import math
	import pylab
	from matplotlib import pyplot

	START = 100
	DAYS = 365

hartwork / headless.py

Created November 25, 2023 01:08

Allow running e.g. asciinema in headless CI

	#! /usr/bin/env python3
	# Copyright (c) 2015 by pyte authors and contributors
	# Copyright (c) 2023 by Sebastian Pipping <[email protected]>
	#
	# Licensed under LGPL v3, see pyte's LICENSE file for more details.
	#
	# Based on pyte's example "capture.py"
	# https://raw.githubusercontent.com/selectel/pyte/master/examples/capture.py

	import os

hartwork / find_local_orphan_branches.py

Created November 22, 2023 16:41

Finds Git branches that were tracking a remote branch that no longer exists today

	# Finds Git branches that were tracking a remote branch that no longer exists today.
	# For Python >=3.8, all else is end-of-life.
	#
	# Copyright (c) 2023 Sebastian Pipping <[email protected]>
	# Licensed under GPL v3 or later

	import re
	from subprocess import check_output

	# NOTE: See "man git-check-ref-format" for colon (":") being disallowed in references

hartwork / exe2version_info.py

Created November 3, 2023 15:17 — forked from spookyahell/exe2version_info.py

Using the python pefile lib to extract version information from an exe file

	'''Licensed under the MIT License :)'''

	import pefile
	import pprint
	pe = pefile.PE('example.exe')


	string_version_info = {}

	for fileinfo in pe.FileInfo[0]:

hartwork / checkpass.py

Created May 27, 2023 18:39

Test a password against the Have-I-Been-Pwned database API interactively with ease and k-anonymity (Python 3)

	#! /usr/bin/env python3
	# Copyright (C) 2023 Sebastian Pipping <[email protected]>
	# Licensed under the MIT license
	#
	# Version 2023-05-27 20:38 UTC+2
	#
	# Inspired by https://github.com/weddige/django-hibp/blob/main/django_hibp.py
	# of django-hibp by Konstantin Weddige (@weddige).

	import getpass