| /* |
| * Copyright (c) 2011, 2012, 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.Collection; |
| import java.util.Hashtable; |
| import java.util.Vector; |
| |
| |
| public class SCDynamicStoreConfig { |
| private static native void installNotificationCallback(); |
| private static native Hashtable<String, Object> 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(); |
| } |
| |
| private static Vector<String> unwrapHost( |
| Collection<Hashtable<String, String>> c) { |
| Vector<String> vector = new Vector<String>(); |
| for (Hashtable<String, String> m : c) { |
| vector.add(m.get("host")); |
| } |
| return vector; |
| } |
| |
| /** |
| * convertRealmConfigs: Maps the Object graph that we get from JNI to the |
| * object graph that Config expects. Also the items inside the kdc array |
| * are wrapped inside Hashtables |
| */ |
| @SuppressWarnings("unchecked") |
| private static Hashtable<String, Object> |
| convertRealmConfigs(Hashtable<String, ?> configs) { |
| Hashtable<String, Object> realmsTable = new Hashtable<String, Object>(); |
| |
| for (String realm : configs.keySet()) { |
| // get the kdc |
| Hashtable<String, Collection<?>> map = |
| (Hashtable<String, Collection<?>>) configs.get(realm); |
| Hashtable<String, Vector<String>> realmMap = |
| new Hashtable<String, Vector<String>>(); |
| |
| // put the kdc into the realmMap |
| Collection<Hashtable<String, String>> kdc = |
| (Collection<Hashtable<String, String>>) map.get("kdc"); |
| if (kdc != null) realmMap.put("kdc", unwrapHost(kdc)); |
| |
| // put the admin server into the realmMap |
| Collection<Hashtable<String, String>> kadmin = |
| (Collection<Hashtable<String, String>>) map.get("kadmin"); |
| if (kadmin != null) realmMap.put("admin_server", unwrapHost(kadmin)); |
| |
| // add the full entry to the realmTable |
| realmsTable.put(realm, realmMap); |
| } |
| |
| return realmsTable; |
| } |
| |
| /** |
| * 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 { |
| Hashtable<String, Object> stanzaTable = getKerberosConfig(); |
| if (stanzaTable == null) { |
| throw new IOException( |
| "Could not load configuration from SCDynamicStore"); |
| } |
| if (DEBUG) System.out.println("Raw map from JNI: " + stanzaTable); |
| return convertNativeConfig(stanzaTable); |
| } |
| |
| @SuppressWarnings("unchecked") |
| private static Hashtable<String, Object> convertNativeConfig( |
| Hashtable<String, Object> stanzaTable) { |
| // convert SCDynamicStore realm structure to Java realm structure |
| Hashtable<String, ?> realms = |
| (Hashtable<String, ?>) stanzaTable.get("realms"); |
| if (realms != null) { |
| stanzaTable.remove("realms"); |
| Hashtable<String, Object> realmsTable = convertRealmConfigs(realms); |
| stanzaTable.put("realms", realmsTable); |
| } |
| WrapAllStringInVector(stanzaTable); |
| if (DEBUG) System.out.println("stanzaTable : " + stanzaTable); |
| return stanzaTable; |
| } |
| |
| @SuppressWarnings("unchecked") |
| private static void WrapAllStringInVector( |
| Hashtable<String, Object> stanzaTable) { |
| for (String s: stanzaTable.keySet()) { |
| Object v = stanzaTable.get(s); |
| if (v instanceof Hashtable) { |
| WrapAllStringInVector((Hashtable<String,Object>)v); |
| } else if (v instanceof String) { |
| Vector<String> vec = new Vector<>(); |
| vec.add((String)v); |
| stanzaTable.put(s, vec); |
| } |
| } |
| } |
| } |