| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * 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 | package sun.security.jgss.wrapper; |
| 26 | |
| 27 | import org.ietf.jgss.*; |
| 28 | import javax.security.auth.kerberos.ServicePermission; |
| 29 | |
| 30 | /** |
| 31 | * This class is an utility class for Kerberos related stuff. |
| 32 | * @author Valerie Peng |
| 33 | * @since 1.6 |
| 34 | */ |
| 35 | class Krb5Util { |
| 36 | |
| 37 | // Return the Kerberos TGS principal name using the domain |
| 38 | // of the specified <code>name</code> |
| 39 | static String getTGSName(GSSNameElement name) |
| 40 | throws GSSException { |
| 41 | String krbPrinc = name.getKrbName(); |
| 42 | int atIndex = krbPrinc.indexOf("@"); |
| 43 | String realm = krbPrinc.substring(atIndex + 1); |
| 44 | StringBuffer buf = new StringBuffer("krbtgt/"); |
| 45 | buf.append(realm).append('@').append(realm); |
| 46 | return buf.toString(); |
| 47 | } |
| 48 | |
| 49 | // Perform the Service Permission check using the specified |
| 50 | // <code>target</code> and <code>action</code> |
| 51 | static void checkServicePermission(String target, String action) { |
| 52 | SecurityManager sm = System.getSecurityManager(); |
| 53 | if (sm != null) { |
| 54 | SunNativeProvider.debug("Checking ServicePermission(" + |
| 55 | target + ", " + action + ")"); |
| 56 | ServicePermission perm = |
| 57 | new ServicePermission(target, action); |
| 58 | sm.checkPermission(perm); |
| 59 | } |
| 60 | } |
| 61 | } |