t = (SmbTree) e.nextElement();
            if (t.matches(share, service)) {
                return t;
            }
        }
        t = new SmbTree(this, share, service);
        trees.addElement(t);
        return t;
    }

    boolean matches(final NtlmPasswordAuthentication auth) {
        return this.auth == auth || this.auth.equals(auth);
    }

    synchronized SmbTransport transport() {