01: /*
02: * Copyright 2000-2003 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any 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: public class GSSUtil {
37:
38: /**
39: * Use this method to convert a GSSName and GSSCredential into a
40: * Subject. Typically this would be done by a server that wants to
41: * impersonate a client thread at the Java level by setting a client
42: * Subject in the current access control context. If the server is merely
43: * interested in using a principal based policy in its local JVM, then
44: * it only needs to provide the GSSName of the client.
45: *
46: * The elements from the GSSName are placed in the principals set of this
47: * Subject and those from the GSSCredential are placed in the private
48: * credentials set of the Subject. Any Kerberos specific elements that
49: * are added to the subject will be instances of the standard Kerberos
50: * implementation classes defined in javax.security.auth.kerberos.
51: *
52: * @return a Subject with the entries that contain elements from the
53: * given GSSName and GSSCredential.
54: *
55: * @param principals a GSSName containing one or more mechanism specific
56: * representations of the same entity. These mechanism specific
57: * representations will be populated in the returned Subject's principal
58: * set.
59: *
60: * @param credentials a GSSCredential containing one or more mechanism
61: * specific credentials for the same entity. These mechanism specific
62: * credentials will be populated in the returned Subject's private
63: * credential set. Passing in a value of null will imply that the private
64: * credential set should be left empty.
65: */
66: public static Subject createSubject(GSSName principals,
67: GSSCredential credentials) {
68:
69: return sun.security.jgss.GSSUtil.getSubject(principals,
70: credentials);
71: }
72: }
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