1 /*

     2  * Copyright (c) 2000, 2013, 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 package com.sun.security.jgss;

    27 

    28 import javax.security.auth.Subject;

    29 import org.ietf.jgss.GSSName;

    30 import org.ietf.jgss.GSSCredential;

    31 

    32 /**

    33  * GSS-API Utilities for using in conjunction with Sun Microsystem's

    34  * implementation of Java GSS-API.

    35  */

    36 @jdk.Exported

    37 public class GSSUtil {

    38 

    39     /**

    40      * Use this method to convert a GSSName and GSSCredential into a

    41      * Subject. Typically this would be done by a server that wants to

    42      * impersonate a client thread at the Java level by setting a client

    43      * Subject in the current access control context. If the server is merely

    44      * interested in using a principal based policy in its local JVM, then

    45      * it only needs to provide the GSSName of the client.

    46      *

    47      * The elements from the GSSName are placed in the principals set of this

    48      * Subject and those from the GSSCredential are placed in the private

    49      * credentials set of the Subject. Any Kerberos specific elements that

    50      * are added to the subject will be instances of the standard Kerberos

    51      * implementation classes defined in javax.security.auth.kerberos.

    52      *

    53      * @return a Subject with the entries that contain elements from the

    54      * given GSSName and GSSCredential.

    55      *

    56      * @param principals a GSSName containing one or more mechanism specific

    57      * representations of the same entity. These mechanism specific

    58      * representations will be populated in the returned Subject's principal

    59      * set.

    60      *

    61      * @param credentials a GSSCredential containing one or more mechanism

    62      * specific credentials for the same entity. These mechanism specific

    63      * credentials will be populated in the returned Subject's private

    64      * credential set. Passing in a value of null will imply that the private

    65      * credential set should be left empty.

    66      */

    67     public static Subject createSubject(GSSName principals,

    68                                      GSSCredential credentials) {

    69 

    70         return  sun.security.jgss.GSSUtil.getSubject(principals,

    71                                                      credentials);

    72     }

    73 }