() -> new SmbFileHandleImpl(cfg, new byte[] { 1, 2 }, null, "//server/share", 0, 0, 0, 0, 0L));
    }

    @Test
    @DisplayName("Constructor with null cfg throws NPE")
    void constructor_nullCfg_throwsNPE() {
        stubValidTree(7L, true, true);
        assertThrows(NullPointerException.class, () -> new SmbFileHandleImpl(null, 42, tree, "//server/share", 0, 0, 0, 0, 0L));
    }

    @Test

     * @return the home drive
     */
    public String getHomeDrive() {
        return this.homeDrive;
    }

    /**
     * Returns the name of the server that authenticated the user.
     * @return the server name
     */
    public String getServerName() {
        return this.serverName;
    }

    /**
     * Returns the user's domain name.
     * @return the domain name

 * This can be a problem if using DFS in it's default configuration as they still return referrals in short form.
 * See <a href="https://support.microsoft.com/en-us/kb/244380">KB-244380</a> for compatible server configuration.
 * See {@link jcifs.Configuration#isDfsConvertToFQDN()} for a workaround.
 */
public class Kerb5Authenticator extends NtlmPasswordAuthenticator {

     * "peek named pipe" operation and return the number of available bytes
     * on the server.
     */
    @Override
    public int available() throws IOException {
        return 0;
    }

    /**
     * Skip n bytes of data on this stream. This operation will not result
     * in any IO with the server. Unlink <code>InputStream</code> value less than

        // Create a buffer representing a valid DFS referral response
        // Need to include space for actual string data
        int stringDataStart = 28; // After the referral structure
        String testPath = "\\server\\share";
        byte[] pathBytes = testPath.getBytes(java.nio.charset.StandardCharsets.UTF_16LE);
        int bufferSize = stringDataStart + pathBytes.length + 2; // +2 for null terminator

            // Parse only URL
            String[] args = { "smb://server/share/test.txt" };
            for (int ai = 0; ai < args.length; ai++) {
                if (!args[ai].startsWith("-")) {
                    t.url = args[ai];
                }
            }

            assertEquals("smb://server/share/test.txt", t.url, "URL should be parsed");

     * query. This might be the address of a specific host, a name server,
     * or a broadcast address.
     *
     * @param host
     *            the name to resolve
     * @param type
     *            the hex code of the name
     * @param scope
     *            the scope of the name
     * @param svr
     *            server to query
     * @return the resolved address

    @DisplayName("Should add and retrieve context information")
    void testContextInformation() {
        // Given
        Map<String, Object> initialContext = new HashMap<>();
        initialContext.put("host", "server.example.com");
        initialContext.put("port", 445);

        exception = new SmbOperationException(SmbOperationException.ErrorCode.ACCESS_DENIED, "Permission denied", null,

 */
package jcifs.util;

import java.util.concurrent.atomic.AtomicLong;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.smb.SmbException;

/**
 * Validator for SMB server responses to prevent buffer overflow and injection attacks.
 *
 * Features:
 * - Buffer bounds checking
 * - Integer overflow prevention
 * - Size validation
 * - Protocol compliance checking

 * server types and filtering options for network browsing functionality.
 */
public class NetServerEnum2 extends SmbComTransaction {

    /**
     * Server type filter for all servers
     */
    public static final int SV_TYPE_ALL = 0xFFFFFFFF;

    /**
     * Server type filter for domain enumeration
     */