mod_auth_gssapi gives us access to the local name via REMOTE_USER and the full principal via GSS_NAME. GSS_NAME can be used to provide the Kerberos NameID.
This issue ticket was originally removed from the tracker as it clashed with the pull request. See upstream ticket for migration details.
Metadata Update from @t0xic0der: - Issue close_status updated to: Fixed - Issue status updated to: Closed (was: Open)