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Pwnable.kr Toddler's Bottle writeup

It has been a long time since I finish(nearly) these problems...

1. fd

In linux, 0 is std_input, 1 is std_output, 2 is std_error_output.

We just need to send LETMEWIN to std_input and set fd to 0 which means (our input - 0x1234) == 0.

Introduction

This walks you through installing JACK, connecting a USB sound card, and copying the audio on the input port onto the output port. The result: you will hear what you say played back immediately from the headphones.

Installation

sudo pip install setuptools
sudo apt-get install python-dev

sudo apt-get install libffi-dev

Vagrant and VMWare Tech Preview 21H1 on Apple M1 Pro

UPDATE November 20, 2022: VMWare Fusion 13

VMWare Fusion 13 is now released. Read Vagrant and VMWare Fusion 13 Player on Apple M1 Pro for the latest.

Summary

This document summarizes notes taken while to make the VMWare Tech preview work on Apple M1 Pro, it originated

	import android.content.Context;
	import android.content.res.TypedArray;
	import android.graphics.Canvas;
	import android.graphics.Rect;
	import android.graphics.drawable.Drawable;
	import android.support.v7.widget.LinearLayoutManager;
	import android.support.v7.widget.RecyclerView;
	import android.util.AttributeSet;
	import android.view.View;

	import android.app.Activity;
	import android.content.Context;
	import android.content.ContextWrapper;
	import android.support.test.espresso.UiController;
	import android.support.test.espresso.ViewAction;
	import android.view.View;
	import com.squareup.spoon.Spoon;
	import org.hamcrest.Matcher;
	import org.hamcrest.Matchers;

	#!/bin/bash

	# Kill transmission-daemon if it is running
	transmission_da_pid=$(pgrep transmission-da)
	if [ $transmission_da_pid ]; then
	killall transmission-daemon && echo "Closing existing tranmission-daemon processes ..." && sleep 8
	fi

	# Get VPN IP to bind to
	bind_address=$(ip addr show tun0 \| grep inet \| awk '{print $2}')

	public abstract class BaseStatelessBlackBoxEspressoTest<T extends Activity> extends ActivityInstrumentationTestCase2<T> {

	private SystemAnimations mSystemAnimations;

	public BaseStatelessBlackBoxEspressoTest(Class clazz) {
	super(clazz);
	}

	@Override
	protected void setUp() throws Exception {

	#!/bin/bash -e

	PLAYER="mpv -vo null"
	#PLAYER="mpg321"

	MUSIC=$(find . -regextype posix-extended -iregex '.*(m4a\|mp3\|mp4\|aac)$' \| sort -R)

	IFS=$'\n'

	for file in $MUSIC

	sudo killall fbi >/dev/null 2>&1
	dialog --infobox "\nWelcome to retro gaming console - First time boot ! hang tight - Resizing the filesystem ..." 5 60
	sudo raspi-config nonint do_expand_rootfs >/dev/null 2>&1
	sleep 2
	dialog --infobox "\nDone. Rebooting now- ready to play in few moments..." 5 60
	sudo rm -f /etc/profile.d/01-expand.sh
	sleep 2
	sudo reboot