Only run findProcess where required in order to avoid prompting for super user login

[mzedeler]

Summary

Avoid prompting for super user password when possible.

Test plan

TBD

[mzedeler]

I really have an issue with tools that suddenly prompt for a password. This is a perfect attack vector for hackers. I think it would be a good idea to ensure that nobody is ever prompted for password.

[gregberge]

It looks good but tests are not passing, I will try it when I have time.

[gregberge]

Thanks for your work!

[mzedeler]

I'll fix the tests tomorrow.

[mzedeler]

I've updated the code now. The tests should run and I've improved the handling of the case where the ports are in use, so calling findProcess is done as late as possible.

[mzedeler]

I've run some manual testing to verify that the different configuration options work, but it would be a good idea to add tests for them.

[gregberge]

@mzedeler thanks! Yes but it is very difficult to test it 😔