1/* 2 * Copyright (c) 2015, 2016, 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 */ 25package com.sun.security.sasl.gsskerb; 26 27import java.security.AccessController; 28import java.security.PrivilegedAction; 29import java.security.Provider; 30import java.security.NoSuchAlgorithmException; 31import java.security.InvalidParameterException; 32import java.security.ProviderException; 33import static sun.security.util.SecurityConstants.PROVIDER_VER; 34 35 36/** 37 * The JdkSASL provider class - 38 * provides client and server support for GSSAPI/Kerberos v5 39 */ 40 41public final class JdkSASL extends Provider { 42 43 private static final long serialVersionUID = 8622590901641830849L; 44 45 private static final String info = "JDK SASL provider" + 46 "(implements client and server mechanisms for GSSAPI)"; 47 48 private static final class ProviderService extends Provider.Service { 49 50 ProviderService(Provider p, String type, String algo, String cn) { 51 super(p, type, algo, cn, null, null); 52 } 53 54 @Override 55 public Object newInstance(Object ctrParamObj) 56 throws NoSuchAlgorithmException { 57 String type = getType(); 58 if (ctrParamObj != null) { 59 throw new InvalidParameterException 60 ("constructorParameter not used with " + type + " engines"); 61 } 62 String algo = getAlgorithm(); 63 // GSSAPI uses same impl class for client and server 64 try { 65 if (algo.equals("GSSAPI")) { 66 return new com.sun.security.sasl.gsskerb.FactoryImpl(); 67 } 68 } catch (Exception ex) { 69 throw new NoSuchAlgorithmException("Error constructing " + 70 type + " for " + algo + " using JdkSASL", ex); 71 } 72 throw new ProviderException("No impl for " + algo + 73 " " + type); 74 } 75 } 76 77 public JdkSASL() { 78 super("JdkSASL", PROVIDER_VER, info); 79 80 final Provider p = this; 81 AccessController.doPrivileged(new PrivilegedAction<Void>() { 82 public Void run() { 83 putService(new ProviderService(p, "SaslClientFactory", 84 "GSSAPI", "com.sun.security.sasl.gsskerb.FactoryImpl")); 85 putService(new ProviderService(p, "SaslServerFactory", 86 "GSSAPI", "com.sun.security.sasl.gsskerb.FactoryImpl")); 87 return null; 88 } 89 }); 90 } 91} 92