| /* |
| * Copyright (c) 2005, 2013, 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.jgss.wrapper; |
| |
| import java.util.HashMap; |
| import java.security.Provider; |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| import org.ietf.jgss.Oid; |
| import sun.security.action.PutAllAction; |
| |
| /** |
| * Defines the Sun NativeGSS provider for plugging in the |
| * native GSS mechanisms to Java GSS. |
| * |
| * List of supported mechanisms depends on the local |
| * machine configuration. |
| * |
| * @author Yu-Ching Valerie Peng |
| */ |
| |
| public final class SunNativeProvider extends Provider { |
| |
| private static final long serialVersionUID = -238911724858694204L; |
| |
| private static final String NAME = "SunNativeGSS"; |
| private static final String INFO = "Sun Native GSS provider"; |
| private static final String MF_CLASS = |
| "sun.security.jgss.wrapper.NativeGSSFactory"; |
| private static final String LIB_PROP = "sun.security.jgss.lib"; |
| private static final String DEBUG_PROP = "sun.security.nativegss.debug"; |
| private static HashMap<String, String> MECH_MAP; |
| static final Provider INSTANCE = new SunNativeProvider(); |
| static boolean DEBUG; |
| static void debug(String message) { |
| if (DEBUG) { |
| if (message == null) { |
| throw new NullPointerException(); |
| } |
| System.out.println(NAME + ": " + message); |
| } |
| } |
| |
| static { |
| MECH_MAP = |
| AccessController.doPrivileged( |
| new PrivilegedAction<HashMap<String, String>>() { |
| public HashMap<String, String> run() { |
| DEBUG = Boolean.parseBoolean |
| (System.getProperty(DEBUG_PROP)); |
| try { |
| System.loadLibrary("j2gss"); |
| } catch (Error err) { |
| debug("No j2gss library found!"); |
| if (DEBUG) err.printStackTrace(); |
| return null; |
| } |
| String gssLibs[] = new String[0]; |
| String defaultLib = System.getProperty(LIB_PROP); |
| if (defaultLib == null || defaultLib.trim().equals("")) { |
| String osname = System.getProperty("os.name"); |
| if (osname.startsWith("SunOS")) { |
| gssLibs = new String[]{ "libgss.so" }; |
| } else if (osname.startsWith("Linux")) { |
| gssLibs = new String[]{ |
| "libgssapi.so", |
| "libgssapi_krb5.so", |
| "libgssapi_krb5.so.2", |
| }; |
| } else if (osname.contains("OS X")) { |
| gssLibs = new String[]{ |
| "libgssapi_krb5.dylib", |
| "/usr/lib/sasl2/libgssapiv2.2.so", |
| }; |
| } |
| } else { |
| gssLibs = new String[]{ defaultLib }; |
| } |
| for (String libName: gssLibs) { |
| if (GSSLibStub.init(libName)) { |
| debug("Loaded GSS library: " + libName); |
| Oid[] mechs = GSSLibStub.indicateMechs(); |
| HashMap<String, String> map = |
| new HashMap<String, String>(); |
| for (int i = 0; i < mechs.length; i++) { |
| debug("Native MF for " + mechs[i]); |
| map.put("GssApiMechanism." + mechs[i], |
| MF_CLASS); |
| } |
| return map; |
| } |
| } |
| return null; |
| } |
| }); |
| } |
| |
| public SunNativeProvider() { |
| /* We are the Sun NativeGSS provider */ |
| super(NAME, 1.8d, INFO); |
| |
| if (MECH_MAP != null) { |
| AccessController.doPrivileged(new PutAllAction(this, MECH_MAP)); |
| } |
| } |
| } |