How Hard Is It To Open a File?

It&rsquo;s a question I had to ask myself multiple times over the last few months. Depending on the context the answer can be: very simple, just call the standard library function extremely hard, don&rsquo;t trust anything If you are an app developer, you&rsquo;re lucky and it&rsquo;s almost always the first answer. If you develop something with a security boundary which involves files in any way,…