import jcifs.util.transport.TransportException;

/**
 * This InputStream can read bytes from a file on an SMB file server. Offsets are 64 bits.
 */
public class SmbFileInputStream extends InputStream {

    private static final Logger log = LoggerFactory.getLogger(SmbFileInputStream.class);

    private SmbFileHandleImpl handle;
    private long fp;
    private int readSize, readSizeFile, openFlags, access, sharing;

    @Mock
    SmbFileHandleImpl mockHandle;

    @Mock
    Configuration mockConfig;

    private SmbFileInputStream newStream() throws SmbException {
        // Constructor that avoids external I/O; stays in-memory
        when(mockTree.isSMB2()).thenReturn(true); // default SMB2 for simple happy-path
        return new SmbFileInputStream(mockFile, mockTree, mockHandle);
    }

    @BeforeEach
    void setUp() throws Exception {

import org.codelibs.jcifs.smb.impl.NtlmPasswordAuthenticator;
import org.codelibs.jcifs.smb.impl.SmbException;
import org.codelibs.jcifs.smb.impl.SmbFile;
import org.codelibs.jcifs.smb.impl.SmbFileInputStream;

/**
 * The {@link SmbClient} class is a crawler client implementation for accessing files and directories
 * on SMB (Server Message Block) shares. It extends {@link AbstractCrawlerClient} and utilizes the JCIFS library

        String content = "#INCLUDE \\\\server\\share\\lmhosts\n" + "192.168.1.100 MAINHOST\n";

        // Mock SmbFileInputStream to simulate include file
        try (MockedConstruction<SmbFileInputStream> mockedConstruction =
                Mockito.mockConstruction(SmbFileInputStream.class, (mock, context) -> {
                    // Mock the read method to return simple content

import org.codelibs.jcifs.smb1.NtlmPasswordAuthentication;
import org.codelibs.jcifs.smb1.SID;
import org.codelibs.jcifs.smb1.SmbException;
import org.codelibs.jcifs.smb1.SmbFile;
import org.codelibs.jcifs.smb1.SmbFileInputStream;
import org.codelibs.jcifs.smb1.util.LogStream;

/**
 * The {@link SmbClient} class is a crawler client implementation for accessing files and directories

        final byte[] buf = new byte[8192];
        String url, type;
        int n;

        try (SmbFileInputStream in = new SmbFileInputStream(file); ServletOutputStream out = resp.getOutputStream()) {
            url = file.getPath();

            resp.setContentType("text/plain");

            n = url.lastIndexOf('.');

        final byte[] buf = new byte[8192];

        @SuppressWarnings("resource")
        final ServletOutputStream out = resp.getOutputStream();
        String url;
        int n;
        try (SmbFileInputStream in = new SmbFileInputStream(file)) {
            url = file.getLocator().getPath();
            resp.setContentType("text/plain");
            resp.setContentType(URLConnection.guessContentTypeFromName(url));

            }
        }

        try (SmbFileHandleImpl sfd = src.openUnshared(0, SmbConstants.O_RDONLY, SmbConstants.FILE_SHARE_READ, SmbConstants.ATTR_NORMAL, 0);
                SmbFileInputStream fis = new SmbFileInputStream(src, sh, sfd)) {
            final int attrs = src.getAttributes();

            try (SmbFileHandleImpl dfd = openCopyTargetFile(dest, attrs, false);
                    SmbFileOutputStream fos =

    @Mock
    Configuration config;

    private SmbPipeInputStream newStreamWithInit(boolean smb2) throws CIFSException {
        when(handle.getPipe()).thenReturn(pipe);
        // init(th) behavior inside SmbFileInputStream constructor
        when(tree.isSMB2()).thenReturn(smb2);
        when(tree.getReceiveBufferSize()).thenReturn(4096);
        when(tree.getMaximumBufferSize()).thenReturn(65535);

            var inputStream = smbFile.getInputStream();

            // Assert
            assertNotNull(inputStream);
            verify(smbFile).openUnshared(0, // SmbConstants.O_RDONLY = 0x01, but SmbFileInputStream uses 0
                    SmbFile.O_RDONLY, SmbConstants.DEFAULT_SHARING, // 7 = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE
                    SmbConstants.ATTR_NORMAL, // 128
                    0);