Augment or override the authentication procedure for plain text login.
PRUint32 Login (char* aUser, char* aPassword, PRInt32 *aReturnCode)=0;
The method has the following three parameters:
On success, NS_AUTHENTICATION_LOGON_SUCCESS.
On failure, NS_AUTHENTICATION_LOGON_FAILURE.
Use this method to specify your own authentication procedure on login to Calendar Server. You can augment the native authentication mechanism, performing your own processing first, then continuing with the default process, or you can completely replace the native authentication mechanism