}
        catch ( IOException ioe ) {
            log.warn("sendrecv failed", ioe);
            try {
                disconnect(true);
            }
            catch ( IOException ioe2 ) {
                ioe.addSuppressed(ioe2);
                log.info("disconnect failed", ioe2);
            }
            throw ioe;
        }
        catch ( InterruptedException ie ) {

                    return this._domains.map;
                }
            }
        }
        catch ( IOException ioe ) {
            if ( log.isDebugEnabled() ) {
                log.debug("getting trusted domains failed: " + tf.getCredentials().getUserDomain(), ioe);
            }
            CacheEntry<Map<String, CacheEntry<DfsReferralDataInternal>>> entry = new CacheEntry<>(tf.getConfig().getDfsTtl() * 10L);
            this._domains = entry;

                        try {
                            handlerClass = Class.forName(className);
                        }
                        catch ( Exception ex ) {
                            log.debug("Failed to load handler class " + className, ex);
                        }
                        if ( handlerClass == null ) {
                            handlerClass = ClassLoader.getSystemClassLoader().loadClass(className);

            for ( int i = 0; i < KerberosConstants.CHECKSUM_SIZE; i++ )
                if ( plainDataChecksum[ i ] != data[ i ] )
                    throw new GeneralSecurityException("Checksum failed while decrypting.");

        int decryptLength = plainData.length - KerberosConstants.CONFOUNDER_SIZE;
        decrypt = new byte[decryptLength];

                        set.add(e);
                    }
                }
            }
            catch ( IOException ioe ) {
                log.debug("DS enumeration failed", ioe);
            }
        }

        SmbTreeConnection treeConn = SmbTreeConnection.create(tc);
        try ( SmbTreeHandleImpl th = treeConn.connectHost(locator, locator.getServerWithDfs());

                this.realm = "jCIFS";

            this.transportContext = new BaseContext(new PropertyConfiguration(p));
        }
        catch ( CIFSException ex ) {
            throw new ServletException("Failed to initialize CIFS context");
        }
    }


    @Override
    public void destroy () {}


    /**
     * This method simply calls <tt>negotiate( req, resp, false )</tt>

        try {
            getTreeHandle().send(this.nextRequest, this.response);
            return this.response.getStatus() != NtStatus.NT_STATUS_NO_MORE_FILES;
        }
        catch ( SmbException e ) {
            if ( e.getNtStatus() == NtStatus.NT_STATUS_NO_MORE_FILES ) {
                log.debug("No more entries", e);
                return false;
            }
            throw e;
        }
    }

                }
                catch ( GeneralSecurityException e ) {
                    throw new PACDecodingException("Decryption failed " + serverKey.getKeyType(), e);
                }
                break;
            default:
                throw new PACDecodingException("Unrecognized field " + tagged.getTagNo());
            }
        }

    }


    public String getUserPrincipalName () {

        try {
            EVERYONE = new SID("S-1-1-0");
            CREATOR_OWNER = new SID("S-1-3-0");
            SYSTEM = new SID("S-1-5-18");
        }
        catch ( SmbException se ) {
            log.error("Failed to create builtin SIDs", se);
        }
    }


    /**
     * Convert a sid_t to byte array
     * 
     * @param sid
     * @return byte encoded form
     */

            else {
                throw new PACDecodingException("Invalid MAC algorithm");
            }
        }
        catch ( GeneralSecurityException e ) {
            throw new PACDecodingException("Failed to calculate MAC", e);
        }
    }