<dependency>
    <groupId>org.codelibs</groupId>
    <artifactId>jcifs</artifactId>
    <version>2.1.39</version>
</dependency>
```



## Features

### Protocol Support
The library supports a full range of SMB protocols with automatic negotiation:

**Supported Protocols:**
- **SMB1/CIFS**: Legacy support via `jcifs.smb1/` package
- **SMB 2.0.2**: Windows Vista+ (0x0202)
- **SMB 2.1**: Windows 7/Server 2008R2 (0x0210)

    } else {
      super.configureTlsExtensions(sslSocket, hostname, protocols)
    }
  }

  override fun getSelectedProtocol(sslSocket: SSLSocket): String? =
    if (sslSocket is org.openjsse.javax.net.ssl.SSLSocket) {
      when (val protocol = sslSocket.applicationProtocol) {
        // Handles both un-configured and none selected.
        null, "" -> null
        else -> protocol
      }
    } else {

    delegate.protocolNegotiationEnabled = protocolNegotiationEnabled
  }

  @JvmName("-deprecated_protocols")
  fun setProtocols(protocols: List<Protocol>) {
    delegate.protocols = protocols
  }

  @JvmName("-deprecated_protocols")
  fun protocols(): List<Protocol> = delegate.protocols

  fun useHttps(
    sslSocketFactory: SSLSocketFactory,
    tunnelProxy: Boolean,
  ) {

    val s = sslSocket as BCSSLSocket

    return when (val protocol = s.applicationProtocol) {
      null, "" -> null
      else -> protocol
    }
  }

  override fun configureTlsExtensions(
    sslSocket: SSLSocket,
    hostname: String?,
    protocols: List<Protocol>,
  ) {
    // No TLS extensions if the socket class is custom.
    if (matchesSocket(sslSocket)) {

      RequestBodyEnd::class,
      ConnectionReleased::class,
      CallEnd::class,
    )
  }

  private fun enableTls(vararg protocols: Protocol) {
    client =
      client
        .newBuilder()
        .protocols(protocols.toList())
        .sslSocketFactory(
          handshakeCertificates.sslSocketFactory(),
          handshakeCertificates.trustManager,

        call.eventListener.secureConnectEnd(call, handshake)
      } else {
        javaNetSocket = rawSocket
        protocol =
          when {
            Protocol.H2_PRIOR_KNOWLEDGE in route.address.protocols -> Protocol.H2_PRIOR_KNOWLEDGE
            else -> Protocol.HTTP_1_1
          }
      }

      val connection =
        RealConnection(
          taskRunner = taskRunner,

     * Returns the concatenation of 8-bit, length prefixed protocol names.
     * http://tools.ietf.org/html/draft-agl-tls-nextprotoneg-04#page-4
     */
    fun concatLengthPrefixed(protocols: List<Protocol>): ByteArray {
      val result = Buffer()
      for (protocol in alpnProtocolNames(protocols)) {
        result.writeByte(protocol.length)
        result.writeUtf8(protocol)
      }
      return result.readByteArray()
    }

  @Test
  fun testHttps(
    provider: Provider = Provider.JSSE,
    protocol: Protocol = burstValues(HTTP_1_1, HTTP_2),
    tlsVersion: TlsVersion = burstValues(TLS_1_3, TLS_1_2),
    socketMode: SocketMode = burstValues(Channel, Standard),
    tlsExtensionMode: TlsExtensionMode = TlsExtensionMode.STANDARD,
  ) {
    testConnection(TlsInstance(provider, protocol, tlsVersion, socketMode, tlsExtensionMode))
  }

  }

  @Test @Disabled
  fun response() {
    val response: Response = Response.Builder().build()
    val request: Request = response.request()
    val protocol: Protocol = response.protocol()
    val code: Int = response.code()
    val message: String = response.message()
    val handshake: Handshake? = response.handshake()
    val headers: Headers = response.headers()

    val i = HttpLoggingInterceptor()

    builder.interceptors().add(i)
    builder.networkInterceptors().add(i)
  }

  @Test
  fun protocol() {
    var protocol: Protocol = Protocol.HTTP_2
    protocol = Protocol.get("")
  }

  @Test
  fun pushPromise() {
    val pushPromise: PushPromise = PushPromise("", "", headersOf(), MockResponse())