*
 * This class contains protocol-specific constants, command codes,
 * flags, and other values used in SMB2/SMB3 communication.
 *
 * @author mbechler
 */
public final class Smb2Constants {

    /**
     *
     */
    private Smb2Constants() {
    }

    /**
     * SMB2 header length in bytes
     */
    public static final int SMB2_HEADER_LENGTH = 64;

    /**

import org.slf4j.LoggerFactory;

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

/**
 * SMB2 Close request message. This command is used to close a file or directory
 * that was previously opened.
 *
 * @author mbechler
 *

        return switch (infoType) {
        case Smb2Constants.SMB2_0_INFO_FILE -> createFileInformation(infoClass);
        case Smb2Constants.SMB2_0_INFO_FILESYSTEM -> createFilesystemInformation(infoClass);
        case Smb2Constants.SMB2_0_INFO_QUOTA -> createQuotaInformation(infoClass);
        case Smb2Constants.SMB2_0_INFO_SECURITY -> createSecurityInformation(infoClass);

        setInfoType(Smb2Constants.SMB2_0_INFO_FILE);
        this.fileInfoClass = fileInfoClass;
    }

    /**
     * Sets the filesystem information class for the query
     *
     * @param fileInfoClass
     *            the fileInfoClass to set
     */
    public final void setFilesystemInfoClass(final byte fileInfoClass) {
        setInfoType(Smb2Constants.SMB2_0_INFO_FILESYSTEM);

     */
    SMB202(Smb2Constants.SMB2_DIALECT_0202),

    /**
     * SMB 2.1 - Windows 7/Server 2008R2
     */
    SMB210(Smb2Constants.SMB2_DIALECT_0210),

    /**
     * SMB 3.0 - Windows 8/Server 2012
     */
    SMB300(Smb2Constants.SMB2_DIALECT_0300),

    /**
     * SMB 3.0.2 - Windows 8.1/Server 2012R2
     */
    SMB302(Smb2Constants.SMB2_DIALECT_0302),

    /**

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 Read request message.
 *
 * This command is used to read data from a file that has been

     */
    public static byte[] deriveSigningKey(final int dialect, final byte[] sessionKey, final byte[] preauthIntegrity) {
        return derive(sessionKey, dialect == Smb2Constants.SMB2_DIALECT_0311 ? SIGNLABEL_311 : SIGNLABEL_300,
                dialect == Smb2Constants.SMB2_DIALECT_0311 ? preauthIntegrity : SIGNCONTEXT_300);
    }

    /**
     * Derives the SMB3 application key from the session key using the appropriate KDF for the dialect.

        switch (dialect) {
        case Smb2Constants.SMB2_DIALECT_0202:
        case Smb2Constants.SMB2_DIALECT_0210:
            this.algorithmName = "HmacSHA256";
            this.provider = null;
            this.signingKey = sessionKey.clone();
            break;
        case Smb2Constants.SMB2_DIALECT_0300:
        case Smb2Constants.SMB2_DIALECT_0302:

 */
package jcifs.internal.smb2.tree;

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

/**
 * SMB2 Tree Disconnect request message.
 *
 * This command is used to disconnect from a previously
 * connected tree (shared resource).
 *
 * @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.
 *
 * This command is used to write data to a file that has been