public CIFSContext withCredentials ( Credentials creds ) {
        return wrap(this.delegate.withCredentials(creds));
    }


    @Override
    public CIFSContext withDefaultCredentials () {
        return wrap(this.delegate.withDefaultCredentials());
    }


    @Override
    public CIFSContext withAnonymousCredentials () {
        return wrap(this.delegate.withAnonymousCredentials());
    }

import jcifs.dcerpc.ndr.NdrBuffer;


/**
 *
 */
public interface DcerpcSecurityProvider {

    /**
     * 
     * @param outgoing
     * @throws DcerpcException
     */
    void wrap ( NdrBuffer outgoing ) throws DcerpcException;


    /**
     * 
     * @param incoming
     * @throws DcerpcException
     */
    void unwrap ( NdrBuffer incoming ) throws DcerpcException;

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.dcerpc;

import jcifs.smb1.dcerpc.ndr.NdrBuffer;

public interface DcerpcSecurityProvider
{
    void wrap(NdrBuffer outgoing) throws DcerpcException;
    void unwrap(NdrBuffer incoming) throws DcerpcException;

                    list.add(n.getName());
                }
            }
            return list.toArray(new String[list.size()]);
        }
        catch ( CIFSException e ) {
            throw SmbException.wrap(e);
        }
    }


    static SmbFile[] listFiles ( SmbFile root, String wildcard, int searchAttributes, final SmbFilenameFilter fnf, final SmbFileFilter ff )
            throws SmbException {

                this.openFlags &= ~ ( SmbConstants.O_CREAT | SmbConstants.O_TRUNC );
            }

            init(th);
        }
        catch ( CIFSException e ) {
            throw SmbException.wrap(e);
        }
    }


    /**
     * @throws SmbException
     * 
     */
    SmbFileInputStream ( SmbFile file, SmbTreeHandleImpl th, SmbFileHandleImpl fh ) throws SmbException {

                    th.send(treq, RequestParam.NO_RETRY);
                }
            }
        }
        catch ( CIFSException e ) {
            throw SmbException.wrap(e);
        }
    }


    SmbFileOutputStream ( SmbFile file, SmbTreeHandleImpl th, SmbFileHandleImpl handle, int openFlags, int access, int sharing )
            throws CIFSException {
        this.file = file;

        msg.call_id = call_id.incrementAndGet();

        msg.encode(buf);

        if ( this.securityProvider != null ) {
            buf.setIndex(0);
            this.securityProvider.wrap(buf);
        }
        return buf;
    }


    /**
     * 
     * @param securityProvider
     */
    public void setDcerpcSecurityProvider ( DcerpcSecurityProvider securityProvider ) {

import jcifs.spnego.NegTokenInit;
import jcifs.spnego.NegTokenTarg;
import jcifs.spnego.SpnegoException;
import jcifs.spnego.SpnegoToken;
import jcifs.util.Hexdump;


/**
 * This class used to wrap a {@link SSPContext} to provide SPNEGO feature.
 * 
 * @author Shun
 *
 */
class SpnegoContext implements SSPContext {

    private static final Logger log = LoggerFactory.getLogger(SpnegoContext.class);

    public Throwable getRootCause () {
        return this.getCause();
    }


    /**
     * @param e
     * @return a CIFS exception wrapped in an SmbException
     */
    static SmbException wrap ( CIFSException e ) {
        if ( e instanceof SmbException ) {
            return (SmbException) e;
        }
        return new SmbException(e.getMessage(), e);
    }

            }
            catch ( CIFSException e ) {
                log.warn("Server side copy failed", e);
                throw SmbException.wrap(e);
            }
        }

        try ( SmbFileHandleImpl sfd = src.openUnshared(0, SmbConstants.O_RDONLY, SmbConstants.FILE_SHARE_READ, SmbConstants.ATTR_NORMAL, 0);