http://giggles.vernccvbvyi5qhfzyqengccj7lkove6bjot2xhh5kajhwvidqafczrad.onion/hacking/finger.html
As you can see it need to happen in a very specific order.
I know that this dont make possible to make finger content dynamic in a deterministic manner, but exploiting this race condition to bypass the checks and showing that finger can read content from a non regular file is cool enough to be worth to add it all here, even that we dont reached our goal yet, we found a little bug in finger :)
This is the end of this...