1 /* 2 * Copyright (c) 2015, 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 package com.sun.security.sasl.gsskerb; 26 27 import java.security.AccessController; 28 import java.security.PrivilegedAction; 29 import java.security.Provider; 30 import java.security.NoSuchAlgorithmException; 31 import java.security.InvalidParameterException; 32 import java.security.ProviderException; 33 34 /** 35 * The JdkSASL provider class - 36 * provides client and server support for GSSAPI/Kerberos v5 37 */ 38 39 public final class JdkSASL extends Provider { 40 41 private static final long serialVersionUID = 8622590901641830849L; 42 43 private static final String info = "JDK SASL provider" + 44 "(implements client and server mechanisms for GSSAPI)"; 45 46 private static final class ProviderService extends Provider.Service { 47 48 ProviderService(Provider p, String type, String algo, String cn) { 49 super(p, type, algo, cn, null, null); 50 } 51 52 @Override 53 public Object newInstance(Object ctrParamObj) 54 throws NoSuchAlgorithmException { 55 String type = getType(); 56 if (ctrParamObj != null) { 57 throw new InvalidParameterException 58 ("constructorParameter not used with " + type + " engines"); 59 } 60 String algo = getAlgorithm(); 61 // GSSAPI uses same impl class for client and server 62 try { 63 if (algo.equals("GSSAPI")) { 64 return new com.sun.security.sasl.gsskerb.FactoryImpl(); 65 } 66 } catch (Exception ex) { 67 throw new NoSuchAlgorithmException("Error constructing " + 68 type + " for " + algo + " using JdkSASL", ex); 69 } 70 throw new ProviderException("No impl for " + algo + 71 " " + type); 72 } 73 } 74 75 public JdkSASL() { 76 super("JdkSASL", 1.9d, info); 77 78 final Provider p = this; 79 AccessController.doPrivileged(new PrivilegedAction<Void>() { 80 public Void run() { 81 putService(new ProviderService(p, "SaslClientFactory", 82 "GSSAPI", "com.sun.security.sasl.gsskerb.FactoryImpl")); 83 putService(new ProviderService(p, "SaslServerFactory", 84 "GSSAPI", "com.sun.security.sasl.gsskerb.FactoryImpl")); 85 return null; 86 } 87 }); 88 } 89 }