135 lines
5.7 KiB
Java
135 lines
5.7 KiB
Java
/*
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* Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.security.jgss.wrapper;
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import java.util.HashMap;
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import java.security.Provider;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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import org.ietf.jgss.Oid;
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import sun.security.action.PutAllAction;
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/**
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* Defines the Sun NativeGSS provider for plugging in the
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* native GSS mechanisms to Java GSS.
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*
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* List of supported mechanisms depends on the local
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* machine configuration.
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*
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* @author Yu-Ching Valerie Peng
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*/
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public final class SunNativeProvider extends Provider {
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private static final long serialVersionUID = -238911724858694204L;
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private static final String NAME = "SunNativeGSS";
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private static final String INFO = "Sun Native GSS provider";
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private static final String MF_CLASS =
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"sun.security.jgss.wrapper.NativeGSSFactory";
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private static final String LIB_PROP = "sun.security.jgss.lib";
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private static final String DEBUG_PROP = "sun.security.nativegss.debug";
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private static HashMap<String, String> MECH_MAP;
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static final Provider INSTANCE = new SunNativeProvider();
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static boolean DEBUG;
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static void debug(String message) {
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if (DEBUG) {
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if (message == null) {
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throw new NullPointerException();
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}
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System.out.println(NAME + ": " + message);
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}
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}
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static {
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MECH_MAP =
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AccessController.doPrivileged(
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new PrivilegedAction<HashMap<String, String>>() {
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public HashMap<String, String> run() {
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DEBUG = Boolean.parseBoolean
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(System.getProperty(DEBUG_PROP));
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try {
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System.loadLibrary("j2gss");
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} catch (Error err) {
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debug("No j2gss library found!");
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if (DEBUG) err.printStackTrace();
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return null;
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}
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String gssLibs[];
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String defaultLib = System.getProperty(LIB_PROP);
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if (defaultLib == null || defaultLib.trim().equals("")) {
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String osname = System.getProperty("os.name");
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if (osname.startsWith("SunOS")) {
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gssLibs = new String[]{ "libgss.so" };
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} else if (osname.startsWith("Linux")) {
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gssLibs = new String[]{
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"libgssapi.so",
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"libgssapi_krb5.so",
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"libgssapi_krb5.so.2",
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};
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} else if (osname.contains("OS X")) {
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gssLibs = new String[]{
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"libgssapi_krb5.dylib",
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"/usr/lib/sasl2/libgssapiv2.2.so",
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};
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} else if (osname.contains("Windows")) {
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// Full path needed, DLL is in jre/bin
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gssLibs = new String[]{ System.getProperty("java.home")
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+ "\\bin\\sspi_bridge.dll" };
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} else {
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gssLibs = new String[0];
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}
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} else {
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gssLibs = new String[]{ defaultLib };
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}
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for (String libName: gssLibs) {
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if (GSSLibStub.init(libName, DEBUG)) {
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debug("Loaded GSS library: " + libName);
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Oid[] mechs = GSSLibStub.indicateMechs();
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HashMap<String,String> map = new HashMap<>();
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for (int i = 0; i < mechs.length; i++) {
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debug("Native MF for " + mechs[i]);
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map.put("GssApiMechanism." + mechs[i],
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MF_CLASS);
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}
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return map;
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}
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}
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return null;
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}
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});
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}
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public SunNativeProvider() {
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/* We are the Sun NativeGSS provider */
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super(NAME, 1.8d, INFO);
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if (MECH_MAP != null) {
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AccessController.doPrivileged(new PutAllAction(this, MECH_MAP));
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}
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}
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}
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