if (read < 0) {
                    throw new IOException("Connection closed by peer");
                }
            }

            headerBuffer.flip();
            int messageSize = headerBuffer.getInt();

            // Now read the message body
            ByteBuffer messageBuffer = ByteBuffer.allocate(messageSize);
            while (messageBuffer.hasRemaining()) {

      .build()

  @BeforeEach
  fun setUp() {
    server.protocols = bootstrapClient.protocols
    dns = buildLocalhost(bootstrapClient, false)
  }

  @Test
  fun getOne() {
    server.enqueue(
      dnsResponse(
        "0000818000010003000000000567726170680866616365626f6f6b03636f6d0000010001c00c000500010" +

import jcifs.smb1.Config;
import jcifs.smb1.util.Hexdump;

abstract class SmbComTransaction extends ServerMessageBlock implements Enumeration {

    private static final int DEFAULT_MAX_DATA_COUNT =
            Config.getInt("jcifs.smb1.smb.client.transaction_buf_size", SmbComTransaction.TRANSACTION_BUF_SIZE) - 512;

    // relative to headerStart
    private static final int PRIMARY_SETUP_OFFSET = 61;

			continue
		}
		if got := fi.ModTime(); !got.Equal(test.want) {
			t.Errorf("%s: got modtime %v, want %v", test.name, got, test.want)
		}
	}
}

func TestCVE202127919(t *testing.T) {
	t.Setenv("GODEBUG", "zipinsecurepath=0")
	// Archive containing only the file "../test.txt"
	data := []byte{
		0x50, 0x4b, 0x03, 0x04, 0x14, 0x00, 0x08, 0x00,
		0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

        realm = Config.getProperty("jcifs.smb1.http.basicRealm");
        if (realm == null) {
            realm = "jCIFS";
        }

        level = Config.getInt("jcifs.smb1.util.loglevel", -1);
        if (level != -1) {
            LogStream.setLevel(level);
        }
        if (LogStream.level > 2) {
            try {

 */
public class NtlmHttpURLConnection extends HttpURLConnection {

    private static final int MAX_REDIRECTS = Integer.getInteger("http.maxRedirects", 20);

    private static final int LM_COMPATIBILITY = Config.getInt("jcifs.smb1.smb.lmCompatibility", 0);

    private static final String DEFAULT_DOMAIN;

    private HttpURLConnection connection;

    private final Map requestProperties;

    private Map headerFields;

pkg testing, method (*F) Helper()
pkg testing, method (*F) Log(...interface{})
pkg testing, method (*F) Logf(string, ...interface{})
pkg testing, method (*F) Name() string
pkg testing, method (*F) Setenv(string, string)
pkg testing, method (*F) Skip(...interface{})
pkg testing, method (*F) SkipNow()
pkg testing, method (*F) Skipf(string, ...interface{})
pkg testing, method (*F) Skipped() bool

		if err != nil {
			os.Remove(privateKey)
			t.Fatalf("Test %d: failed to create tmp certificate file: %v", i, err)
		}

		if testCase.password != "" {
			t.Setenv(EnvCertPassword, testCase.password)
		}
		_, err = LoadX509KeyPair(certificate, privateKey)
		if err != nil && !testCase.shouldFail {
			t.Errorf("Test %d: test should succeed but it failed: %v", i, err)
		}

* Prüfen und lesen Sie den Code, fragen Sie sich, ob er Sinn macht, **führen Sie ihn lokal aus** und testen Sie, ob er das Problem tatsächlich löst.

* Schreiben Sie dann einen **Kommentar** und berichten, dass Sie das getan haben. So weiß ich, dass Sie ihn wirklich überprüft haben.

/// info | Info

Leider kann ich PRs, nur weil sie von mehreren gutgeheißen wurden, nicht einfach vertrauen.

    /** Property key for SMB1 owner attributes. */
    public static final String SMB_OWNER_ATTRIBUTES = "smb1OwnerAttributes";

    static {
        if (Config.getInt("jcifs.smb1.util.loglevel", -1) == -1) {
            if (logger.isTraceEnabled()) {
                LogStream.setLevel(4);
            } else if (logger.isDebugEnabled()) {
                LogStream.setLevel(3);