SSLSocket (Apache Tomcat 8.5.20 API Documentation)

org.apache.tomcat.jni

## Class SSLSocket

- java.lang.Object
- - org.apache.tomcat.jni.SSLSocket

-     public class SSLSocket
      extends Object

  SSL Socket
  Author:
    Mladen Turk

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `SSLSocket()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static int` | `attach(long ctx, long sock)` Attach APR socket on a SSL connection.
    `static int` | `getALPN(long sock, byte[] negotiatedProtocol)` Obtain the name of the protocol negotiated via ALPN.
    `static byte[]` | `getInfoB(long sock, int id)` Return SSL Info parameter as byte array.
    `static int` | `getInfoI(long sock, int id)` Return SSL Info parameter as integer.
    `static String` | `getInfoS(long sock, int id)` Return SSL Info parameter as String.
    `static int` | `handshake(long thesocket)` Do a SSL handshake.
    `static int` | `renegotiate(long thesocket)` Do a SSL renegotiation.
    `static void` | `setVerify(long sock, int level, int depth)` Set Type of Client Certificate verification and Maximum depth of CA Certificates in Client Certificate verification.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### SSLSocket

          public SSLSocket()

  - ### Method Detail

    - #### attach

          public static int attach(long ctx,
                   long sock)
                            throws Exception

      Attach APR socket on a SSL connection.
      Parameters:
        `ctx` - SSLContext to use.
        `sock` - APR Socket that already did physical connect or accept.
      Returns:
        APR_STATUS code.
      Throws:
        `Exception` - An error occurred

    - #### handshake

          public static int handshake(long thesocket)

      Do a SSL handshake.
      Parameters:
        `thesocket` - The socket to use
      Returns:
        the handshake status

    - #### renegotiate

          public static int renegotiate(long thesocket)

      Do a SSL renegotiation. SSL supports per-directory re-configuration of SSL parameters. This is implemented by performing an SSL renegotiation of the re-configured parameters after the request is read, but before the response is sent. In more detail: the renegotiation happens after the request line and MIME headers were read, but _before_ the attached request body is read. The reason simply is that in the HTTP protocol usually there is no acknowledgment step between the headers and the body (there is the 100-continue feature and the chunking facility only), so Apache has no API hook for this step.
      Parameters:
        `thesocket` - The socket to use
      Returns:
        the operation status

    - #### setVerify

          public static void setVerify(long sock,
                       int level,
                       int depth)

      Set Type of Client Certificate verification and Maximum depth of CA Certificates in Client Certificate verification.
      This is used to change the verification level for a connection prior to starting a re-negotiation.
      The following levels are available for level:

           SSL_CVERIFY_NONE           - No client Certificate is required at all
           SSL_CVERIFY_OPTIONAL       - The client may present a valid Certificate
           SSL_CVERIFY_REQUIRE        - The client has to present a valid
                                        Certificate
           SSL_CVERIFY_OPTIONAL_NO_CA - The client may present a valid Certificate
                                        but it need not to be (successfully)
                                        verifiable

      Parameters:
        `sock` - The socket to change.
        `level` - Type of Client Certificate verification.
        `depth` - Maximum number of certificates to permit in chain from client to trusted CA. Use a value of 0 or less to leave the current value unchanged

    - #### getInfoB

          public static byte[] getInfoB(long sock,
                        int id)
                                 throws Exception

      Return SSL Info parameter as byte array.
      Parameters:
        `sock` - The socket to read the data from.
        `id` - Parameter id.
      Returns:
        Byte array containing info id value.
      Throws:
        `Exception` - An error occurred

    - #### getInfoS

          public static String getInfoS(long sock,
                        int id)
                                 throws Exception

      Return SSL Info parameter as String.
      Parameters:
        `sock` - The socket to read the data from.
        `id` - Parameter id.
      Returns:
        String containing info id value.
      Throws:
        `Exception` - An error occurred

    - #### getInfoI

          public static int getInfoI(long sock,
                     int id)
                              throws Exception

      Return SSL Info parameter as integer.
      Parameters:
        `sock` - The socket to read the data from.
        `id` - Parameter id.
      Returns:
        Integer containing info id value or -1 on error.
      Throws:
        `Exception` - An error occurred

    - #### getALPN

          public static int getALPN(long sock,
                    byte[] negotiatedProtocol)

      Obtain the name of the protocol negotiated via ALPN. Only valid after the TLS handshake has completed.
      Parameters:
        `sock` - Socket
        `negotiatedProtocol` - Byte array in which to store agreed protocol
      Returns:
        Length of agreed protocol. Zero means no protocol agreed.

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