This fork from [jcifs-ng](https://github.com/AgNO3/jcifs-ng) merges backward compatibility with legacy SMB devices while supporting modern SMB2/SMB3 protocols. Key features include SMB2 support, per-context configuration, SLF4J logging, NTLMSSP/Kerberos authentication, and streaming operations.

## Version

[Versions in Maven Repository](https://repo1.maven.org/maven2/org/codelibs/jcifs/)

 */
package jcifs.internal.smb2.session;

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

/**
 * SMB2 Logoff request message. This command is used to terminate an SMB2 session.
 *
 * @author mbechler
 *
 */

 */
package jcifs.internal.smb2.io;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.internal.smb2.RequestWithFileId;
import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.smb2.rdma.RdmaChannelInfo;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Write request message.
 *

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.lock;

import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;

/**
 * SMB2 Oplock Break notification message. This server-initiated message notifies the client

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.rdma.tcp;

import java.nio.ByteBuffer;
import java.util.EnumSet;
import java.util.concurrent.atomic.AtomicInteger;

import jcifs.internal.smb2.rdma.RdmaAccess;
import jcifs.internal.smb2.rdma.RdmaMemoryRegion;

/**
 * TCP memory region implementation.
 *

 */
package jcifs.internal.smb2.ioctl;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.Encodable;
import jcifs.internal.smb2.RequestWithFileId;
import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 IOCTL request message. This command is used to perform device control operations

	SUBS	$0xff, R6, RSP                                   // ERROR "illegal destination register"
	SUBS	$0xffff0, R6, RSP                                // ERROR "illegal destination register"
	SUBS	$0x1000100010001000, R6, RSP                     // ERROR "illegal destination register"
	SUBS	$0x10001000100011, R6, RSP                       // ERROR "illegal destination register"

    private final boolean smb2;
    private final int dialect;

    /**
     *
     */
    DialectVersion() {
        this.smb2 = false;
        this.dialect = -1;
    }

    DialectVersion(final int dialectId) {
        this.smb2 = true;
        this.dialect = dialectId;
    }

    /**
     * Check if this is an SMB2 dialect version
     *
     * @return the smb2
     */

 */
package jcifs.internal.smb2.session;

import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Logoff response message. This response acknowledges the termination of an SMB2 session.
 *
 * @author mbechler
 *
 */

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.lease;

/**
 * SMB2 Lease State constants
 *
 * MS-SMB2 2.2.13.2.8
 */
public class Smb2LeaseState {

    /**
     * No lease caching
     */
    public static final int SMB2_LEASE_NONE = 0x00;

    /**