Description of problem:

Trying to login into a capsule registry (handled by smart-proxy containter_gateway), a user gets a "Login Succeeded!" when no username/password are informed.

Providing any bad username/password user gets the expected authentication error.

Success message is is misleading, since no actual authentication happened and no protected content can be pulled.

Version-Release number of selected component (if applicable):

Observed on 6.14 and 6.15

How reproducible:

Always

Steps to Reproduce:

1. Try running "podman login mycapsule.example.com" and don't inform username or password:

~~~

1. podman login mycapsule.example.com
   Username:
   Password:
   Login Succeeded!
   ~~~

Actual results:
user gets a login succeeded message

Expected results:
authentication should fail if no username/password was informed

Additional info:

DEV Tracker for https://issues.redhat.com/browse/SAT-25333