return this.primaryDomain;
    }

    /**
     * Indicates whether the session was established as a guest.
     *
     * @return the isLoggedInAsGuest
     */
    public final boolean isLoggedInAsGuest() {
        return this.isLoggedInAsGuest;
    }

    /**
     * Returns the security blob received from the server during extended security negotiation.
     *
     * @return the blob
     */

        }

        return bufferIndex - start;
    }

    @Override
    public String toString() {
        return ("SmbComSessionSetupAndXResponse[" + super.toString() + ",isLoggedInAsGuest=" + isLoggedInAsGuest + ",nativeOs=" + nativeOs
                + ",nativeLanMan=" + nativeLanMan + ",primaryDomain=" + primaryDomain + "]");
    }

        assertArrayEquals(blob, resp.getBlob(), "Security blob should match");
        assertEquals(sessionFlags, resp.getSessionFlags(), "Session flags should decode");
        assertTrue(resp.isLoggedInAsGuest(), "Guest/anonymous should be detected");

        // prepare should propagate session id when received
        CIFSContext mockCtx = mock(CIFSContext.class);

                if (!this.getConfig().isAllowGuestFallback() && response.isLoggedInAsGuest()
                        && (!this.credentials.isGuest() && !this.credentials.isAnonymous())) {
                    throw new SmbAuthException(NtStatus.NT_STATUS_LOGON_FAILURE);
                }
                if (!this.credentials.isAnonymous() && response.isLoggedInAsGuest()) {
                    anonymous = true;
                }

    }

    /**
     * Checks whether the session is either anonymous or a guest session
     *
     * @return whether the session is either anonymous or a guest session
     */
    public boolean isLoggedInAsGuest() {
        return (this.sessionFlags & (SMB2_SESSION_FLAGS_IS_GUEST | SMB2_SESSION_FLAGS_IS_NULL)) != 0;
    }

    /**
     * Gets the session flags from the response
     *

                            throw sae;
                        } catch (final SmbException se) {
                            ex = se;
                        }

                        if (response.isLoggedInAsGuest && !"GUEST".equalsIgnoreCase(auth.username)
                                && transport.server.security != SmbConstants.SECURITY_SHARE
                                && auth != NtlmPasswordAuthentication.ANONYMOUS) {