1 /*

     2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 import java.util.List;

    27 import javax.net.ssl.SNIServerName;

    28 

    29 /**

    30  * Encapsulates the security capabilities of an SSL/TLS connection.

    31  * <P>

    32  * The security capabilities are the list of ciphersuites to be accepted in

    33  * an SSL/TLS handshake, the record version, the hello version, and server

    34  * name indication, etc., of an SSL/TLS connection.

    35  * <P>

    36  * <code>SSLCapabilities</code> can be retrieved by exploring the network

    37  * data of an SSL/TLS connection via {@link SSLExplorer#explore(ByteBuffer)}

    38  * or {@link SSLExplorer#explore(byte[], int, int)}.

    39  *

    40  * @see SSLExplorer

    41  */

    42 public abstract class SSLCapabilities {

    43 

    44     /**

    45      * Returns the record version of an SSL/TLS connection

    46      *

    47      * @return a non-null record version

    48      */

    49     public abstract String getRecordVersion();

    50 

    51     /**

    52      * Returns the hello version of an SSL/TLS connection

    53      *

    54      * @return a non-null hello version

    55      */

    56     public abstract String getHelloVersion();

    57 

    58     /**

    59      * Returns a <code>List</code> containing all {@link SNIServerName}s

    60      * of the server name indication.

    61      *

    62      * @return a non-null immutable list of {@link SNIServerName}s

    63      *         of the server name indication parameter, may be empty

    64      *         if no server name indication.

    65      *

    66      * @see SNIServerName

    67      */

    68     public abstract List<SNIServerName> getServerNames();

    69 }

    70