import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;


/**
 * @author mbechler
 *
 */
public class Smb2NegotiateRequest extends ServerMessageBlock2Request<Smb2NegotiateResponse> implements SmbNegotiationRequest {

    private int[] dialects;
    private int capabilities;
    private byte[] clientGuid = new byte[16];

        }

        if ( getDialectRevision() == Smb2Constants.SMB2_DIALECT_ANY ) {
            log.error("Server returned ANY dialect");
            return false;
        }

        Smb2NegotiateRequest r = (Smb2NegotiateRequest) req;

        DialectVersion selected = null;
        for ( DialectVersion dv : DialectVersion.values() ) {
            if ( !dv.isSMB2() ) {
                continue;
            }

            // have preauth integrity instead
            log.debug("Secure negotiation does not apply, is SMB3.1");
            return;
        }
        Smb2NegotiateRequest negoReq = new Smb2NegotiateRequest(sess.getConfig(), trans.getRequestSecurityMode(nego));

        log.debug("Sending VALIDATE_NEGOTIATE_INFO");

        int size = 0;

        int securityMode = getRequestSecurityMode(first);

        // further negotiation needed
        Smb2NegotiateRequest smb2neg = new Smb2NegotiateRequest(getContext().getConfig(), securityMode);
        Smb2NegotiateResponse r = null;
        byte[] negoReqBuffer = null;
        byte[] negoRespBuffer = null;
        try {