| /* |
| * Copyright (c) 2011, 2021, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.security.krb5; |
| |
| import java.io.IOException; |
| import java.util.Hashtable; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Vector; |
| |
| |
| public class SCDynamicStoreConfig { |
| private static native void installNotificationCallback(); |
| |
| /** |
| * Returns the dynamic store setting for kerberos in a string array. |
| * (realm kdc* null) null (mapping-domain mapping-realm)* |
| */ |
| private static native List<String> getKerberosConfig(); |
| private static boolean DEBUG = sun.security.krb5.internal.Krb5.DEBUG; |
| |
| static { |
| boolean isMac = java.security.AccessController.doPrivileged( |
| new java.security.PrivilegedAction<Boolean>() { |
| public Boolean run() { |
| String osname = System.getProperty("os.name"); |
| if (osname.contains("OS X")) { |
| System.loadLibrary("osxkrb5"); |
| return true; |
| } |
| return false; |
| } |
| }); |
| if (isMac) installNotificationCallback(); |
| } |
| |
| /** |
| * Calls down to JNI to get the raw Kerberos Config and maps the object |
| * graph to the one that Kerberos Config in Java expects |
| * |
| * @return |
| * @throws IOException |
| */ |
| public static Hashtable<String, Object> getConfig() throws IOException { |
| List<String> list = getKerberosConfig(); |
| if (list == null) { |
| throw new IOException( |
| "Could not load configuration from SCDynamicStore"); |
| } |
| if (DEBUG) System.out.println("Raw map from JNI: " + list); |
| |
| Hashtable<String,Object> v = new Hashtable<>(); |
| Hashtable<String,Object> realms = new Hashtable<>(); |
| Iterator<String> iterator = list.iterator(); |
| String defaultRealm = null; |
| |
| while (true) { |
| String nextRealm = iterator.next(); |
| if (nextRealm == null) { |
| break; |
| } |
| if (defaultRealm == null) { |
| defaultRealm = nextRealm; |
| Hashtable<String,Object> dr = new Hashtable<>(); |
| dr.put("default_realm", v1(defaultRealm)); |
| v.put("libdefaults", dr); |
| } |
| Vector<String> kdcs = new Vector<>(); |
| while (true) { |
| String nextKdc = iterator.next(); |
| if (nextKdc == null) { |
| break; |
| } |
| kdcs.add(nextKdc); |
| } |
| if (!kdcs.isEmpty()) { |
| Hashtable<String,Object> ri = new Hashtable<>(); |
| ri.put("kdc", kdcs); |
| realms.put(nextRealm, ri); |
| } |
| } |
| if (!realms.isEmpty()) { |
| v.put("realms", realms); |
| } |
| Hashtable<String,Object> mapping = new Hashtable<>(); |
| while (true) { |
| if (!iterator.hasNext()) { |
| break; |
| } |
| mapping.put(iterator.next(), v1(iterator.next())); |
| } |
| if (!mapping.isEmpty()) { |
| v.put("domain_realm", mapping); |
| } |
| return v; |
| } |
| |
| // Make a single value Vector. Config's stanzaTable always |
| // use Vector as end values. |
| private static Vector<String> v1(String s) { |
| Vector<String> out = new Vector<>(); |
| out.add(s); |
| return out; |
| } |
| } |