Description

Allows a user to link its CAS account with its Drupal account on sites where the CAS setting user_accounts.auto_register is on. After a first successful CAS login, the users will see a form where they are able to make a decision:

Either allow Drupal to create a new local account;
Or login with the local credentials and link the CAS account with the local account.

Requirements

CAS module.
CAS mock server is dependency for module tests.

Configuration

Go to /admin/config/people/cas and turn on the Automatically register users checkbox. Save the configuration.
In order to customize the form provided by the module, visit /admin/config/people/cas/account-link and customize various texts that are exposed on the form.
A more advanced form customization could be made by developers by altering the form.

CAS Account Link

Issues