}

	// Lookup user DN
	bindDN, err = l.LDAP.LookupUserDN(conn, username)
	if err != nil {
		errRet := fmt.Errorf("Unable to find user DN: %w", err)
		return "", nil, errRet
	}

	// Authenticate the user credentials.
	err = conn.Bind(bindDN, password)
	if err != nil {
		errRet := fmt.Errorf("LDAP auth failed for DN %s: %w", bindDN, err)
		return "", nil, errRet
	}