if ( tf.getConfig().isDfsDisabled() )
            return null;
        SmbTransportImpl transport = getReferralTransport(tf, getDcReferrals(tf, domain));
        if ( transport == null && log.isDebugEnabled() ) {
            log.debug(String.format("Failed to connect to domain controller for %s", domain));
        }
        return transport;
    }

        try ( SmbSessionImpl sess = getSession();
              SmbTransportImpl transport = sess.getTransport() ) {
            synchronized ( transport ) {

                // this needs to be done before the reference to the remote hostname later
                transport.ensureConnected();

                if ( waitForState(transport) == 2 ) {
                    // already connected
                    return null;

import jcifs.internal.smb2.create.Smb2CreateRequest;
import jcifs.smb.SmbSessionInternal;
import jcifs.smb.SmbTransportInternal;
import jcifs.smb.SmbTreeInternal;
import jcifs.util.transport.RequestTimeoutException;


/**
 * @author mbechler
 *
 */
@SuppressWarnings ( "javadoc" )
@RunWith ( Parameterized.class )
public class OplockTests extends BaseCIFSTest {

    /**

import jcifs.util.Crypto;
import jcifs.util.Encdec;
import jcifs.util.Hexdump;
import jcifs.util.transport.Request;
import jcifs.util.transport.Response;
import jcifs.util.transport.Transport;
import jcifs.util.transport.TransportException;


/**
 *
 */
class SmbTransportImpl extends Transport implements SmbTransportInternal, SmbConstants {

    private byte[] preauthIntegrityHash;


    SmbSessionImpl ( CIFSContext tf, String targetHost, String targetDomain, SmbTransportImpl transport ) {
        this.transportContext = tf;
        this.targetDomain = targetDomain;
        this.targetHost = targetHost;
        this.transport = transport.acquire();
        this.trees = new ArrayList<>();
        this.credentials = tf.getCredentials().unwrap(CredentialsInternal.class).clone();

                assertNotNull(session);
                try ( SmbTransportInternal transport = session.getTransport().unwrap(SmbTransportInternal.class) ) {
                    assertNotNull(transport);
                    transport.disconnect(true, true);
                    assertNotNull(f);
                    checkConnection(f);
                    f.exists();

import jcifs.smb.SmbException;
import jcifs.smb.SmbFile;
import jcifs.smb.SmbFileOutputStream;
import jcifs.smb.SmbSessionInternal;
import jcifs.smb.SmbTransportInternal;
import jcifs.smb.SmbTreeInternal;
import jcifs.util.transport.TransportException;


/**
 * @author mbechler
 *
 */
@RunWith ( Parameterized.class )
@SuppressWarnings ( "javadoc" )
public class ConcurrencyTest extends BaseCIFSTest {

        w.setDaemon( true );
        w.start();

        /* Downgrade one transport to the lower of the negotiated buffer sizes
         * so we can just send whatever is received.
         */

        SmbTransport t1 = tree.session.transport;
        SmbTransport t2 = dest.tree.session.transport;

        if( t1.snd_buf_size < t2.snd_buf_size ) {
            t2.snd_buf_size = t1.snd_buf_size;

    /**
     * Enable port 139 failover
     * 
     * Property <tt>jcifs.smb.client.port139.enabled</tt> (boolean, default false)
     * 
     * @return whether to failover to legacy transport on port 139
     */
    boolean isPort139FailoverEnabled ();


    /**
     * 
     * Property <tt>jcifs.smb.client.useUnicode</tt> (boolean, default true)
     *