/**
 * Comprehensive input validation utility for SMB protocol implementation.
 * Provides validation methods to prevent buffer overflows, injection attacks,
 * and other security vulnerabilities.
 */
public final class InputValidator {

    private InputValidator() {
        // Utility class
    }

    // Maximum sizes for various SMB fields (based on protocol specifications)

 */
package jcifs.internal;

/**
 * Interface for SMB message signing and verification operations.
 * Provides cryptographic signing capabilities for SMB protocol messages to ensure
 * message integrity and authenticity using MAC (Message Authentication Code) algorithms.
 *
 * @author mbechler
 */
public interface SMBSigningDigest {

    /**

     *            taking place.
     * @param flags the flags to use for the Type-3 message
     * @throws GeneralSecurityException if a cryptographic error occurs
     * @throws CIFSException if a CIFS protocol error occurs
     */
    public Type3Message(final CIFSContext tc, final Type2Message type2, final String targetName, final String password, final String domain,

 */
package jcifs.smb;

/**
 * Exception thrown when an unsupported SMB operation is attempted.
 * Indicates that the requested operation is not supported by the SMB server or protocol version.
 *
 * @author mbechler
 *
 */
public class SmbUnsupportedOperationException extends SmbException {

    /**
     *
     */
    private static final long serialVersionUID = -5576981906065713710L;

import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;

/**
 * SMB1 Trans2 Find First 2 transaction request implementation.
 * Initiates directory enumeration operations in SMB1 protocol, allowing clients
 * to search for files and directories matching specified patterns and criteria.
 *
 * @author mbechler
 */
public class Trans2FindFirst2 extends SmbComTransaction {

    // flags

 * including the number of bytes actually written.
 */
public class SmbComWriteAndXResponse extends AndXServerMessageBlock {

    private long count;

    /**
     * Constructs a write response for SMB1 protocol.
     *
     * @param config the configuration for this SMB session
     */
    public SmbComWriteAndXResponse(final Configuration config) {
        super(config);
    }

    /**

 */

package jcifs.smb1.util;

/**
 * Implementation of the RC4 (ARCFOUR) stream cipher algorithm.
 * This class provides RC4 encryption/decryption functionality used in SMB1 protocol operations.
 */
public class RC4 {

    byte[] s;
    int i, j;

    /**
     * Default constructor for RC4 cipher.
     * Call init() to initialize with a key before use.
     */
    public RC4() {

import java.util.Date;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;

/**
 * Unit tests for the {@link Info} implementations used by the SMB1
 * protocol handling code.
 */
class InfoTest {

    // A tiny mock to illustrate Mockito interaction patterns.
    @Mock
    private SmbComTransactionResponse transactionMock;

    @BeforeEach
    void setUp() {

import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;

/**
 * Test class for Smb2Constants
 * Tests all SMB2 protocol constants and their expected values
 */
@DisplayName("Smb2Constants Test Suite")
class Smb2ConstantsTest {

    @Test
    @DisplayName("Should have private constructor to prevent instantiation")

     * @throws IOException
     */
    @BeforeEach
    void setUp() throws IOException {
        // Create a real URL instead of mocking to avoid protocol issues
        mockUrl = new URL("http://test.example.com/path");

        // Basic setup for mocks to avoid NullPointerExceptions
        when(mockConnection.getURL()).thenReturn(mockUrl);