import jakarta.annotation.Resource;

/**
 * The {@link SmbClient} class is a crawler client implementation for accessing files and directories
 * on SMB (Server Message Block) shares using the SMB1 protocol. It extends {@link AbstractCrawlerClient} and utilizes the JCIFS library
 * to interact with SMB resources.
 *
 * <p>
 * This client supports authentication, content retrieval, and metadata extraction from SMB files.

import jcifs.internal.smb2.io.Smb2WriteRequest;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;
import jcifs.util.transport.Response;

/**
 * SMB2 Negotiate Protocol response message.
 *
 * This response contains the server's protocol capabilities,
 * security mode, and negotiated dialect version.
 *
 * @author mbechler
 */

        DcerpcBinding.addInterface("wkssvc", "6BFFD098-A112-3610-9833-46C3F87E345A:1.0");
    }

    @Test
    void testConstructorAndGetters() {
        assertEquals(PROTO, dcerpcBinding.getProto(), "Protocol should match the constructor argument.");
        assertEquals(SERVER, dcerpcBinding.getServer(), "Server should match the constructor argument.");
        assertNull(dcerpcBinding.getOptions(), "Options should be null initially.");

import jcifs.smb1.util.transport.Response;
import jcifs.smb1.util.transport.Transport;
import jcifs.smb1.util.transport.TransportException;

/**
 * Legacy SMB transport implementation for SMB1 protocol communication.
 * Handles the low-level transport layer for SMB1 protocol messages.
 */
public class SmbTransport extends Transport implements SmbConstants {

    static final byte[] BUF = new byte[0xFFFF];

                .thenAnswer(inv -> inv.getArgument(1));

        int n = handle.sendrecv(new byte[10], 0, 0, new byte[20], 100);
        assertEquals(0, n, "Default response length is 0 unless protocol fills it");
    }

    @Test
    @DisplayName("sendrecv uses CallNamedPipe when PIPE_TYPE_CALL is set")
    void sendrecv_call_branch() throws Exception {

          "testing-jvm"
        ],
        "parallelizationMethod": {
          "name": "TestDistribution"
        }
      },
      {
        "subprojects": [
          "concurrent",
          "daemon-protocol",
          "daemon-server-worker",
          "functional",
          "internal-instrumentation-api",
          "java-api-extractor",
          "java-compiler-plugin",
          "javadoc",

        @Override
        public int getPort() {
            return 0;
        }

        @Override
        public URL getURL() {
            try {
                // Create URL with custom protocol handler for SMB
                return new URL(null, urlStr, new jcifs.smb.Handler());
            } catch (Exception e) {
                // Return null if URL creation fails
                return null;
            }

Blocking APIs may be inefficient because you hold a thread idle while waiting on the network. Threads are expensive because they have both a memory overhead and a context-switching overhead.

#### Framed protocols

    response: Response,
    expectedHost: String,
  ) {
    assertThat(response.code).isEqualTo(200)
    assertThat(response.request.url.host).isEqualTo(expectedHost)
    assertThat(response.protocol).isEqualTo(Protocol.HTTP_2)
    response.body.close()
  }

     * @param andx the next command in the AndX chain, or null
     * @param cred the authentication credentials to use for the session
     * @throws SmbException if an SMB protocol error occurs
     * @throws GeneralSecurityException if a security error occurs during authentication
     */