--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/security/jgss/wrapper/GSSLibStub.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,125 @@
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.security.jgss.wrapper;
+
+import java.util.Hashtable;
+import org.ietf.jgss.Oid;
+import org.ietf.jgss.GSSName;
+import org.ietf.jgss.ChannelBinding;
+import org.ietf.jgss.MessageProp;
+import org.ietf.jgss.GSSException;
+import sun.security.jgss.GSSUtil;
+
+/**
+ * This class is essentially a JNI calling stub for all wrapper classes.
+ *
+ * @author Valerie Peng
+ * @since 1.6
+ */
+
+class GSSLibStub {
+
+    private Oid mech;
+    private long pMech;
+
+    /**
+     * Initialization routine to dynamically load function pointers.
+     *
+     * @param library name to dlopen
+     * @return true if succeeded, false otherwise.
+     */
+    static native boolean init(String lib);
+    private static native long getMechPtr(byte[] oidDerEncoding);
+
+    // Miscellaneous routines
+    static native Oid[] indicateMechs();
+    native Oid[] inquireNamesForMech() throws GSSException;
+
+    // Name related routines
+    native void releaseName(long pName);
+    native long importName(byte[] name, Oid type);
+    native boolean compareName(long pName1, long pName2);
+    native long canonicalizeName(long pName);
+    native byte[] exportName(long pName) throws GSSException;
+    native Object[] displayName(long pName) throws GSSException;
+
+    // Credential related routines
+    native long acquireCred(long pName, int lifetime, int usage)
+                                        throws GSSException;
+    native long releaseCred(long pCred);
+    native long getCredName(long pCred);
+    native int getCredTime(long pCred);
+    native int getCredUsage(long pCred);
+
+    // Context related routines
+    native NativeGSSContext importContext(byte[] interProcToken);
+    native byte[] initContext(long pCred, long targetName, ChannelBinding cb,
+                              byte[] inToken, NativeGSSContext context);
+    native byte[] acceptContext(long pCred, ChannelBinding cb,
+                                byte[] inToken, NativeGSSContext context);
+    native long[] inquireContext(long pContext);
+    native Oid getContextMech(long pContext);
+    native long getContextName(long pContext, boolean isSrc);
+    native int getContextTime(long pContext);
+    native long deleteContext(long pContext);
+    native int wrapSizeLimit(long pContext, int flags, int qop, int outSize);
+    native byte[] exportContext(long pContext);
+    native byte[] getMic(long pContext, int qop, byte[] msg);
+    native void verifyMic(long pContext, byte[] token, byte[] msg,
+                          MessageProp prop) ;
+    native byte[] wrap(long pContext, byte[] msg, MessageProp prop);
+    native byte[] unwrap(long pContext, byte[] msgToken, MessageProp prop);
+
+    private static Hashtable<Oid, GSSLibStub>
+        table = new Hashtable<Oid, GSSLibStub>(5);
+
+    static GSSLibStub getInstance(Oid mech) throws GSSException {
+        GSSLibStub s = table.get(mech);
+        if (s == null) {
+            s = new GSSLibStub(mech);
+            table.put(mech, s);
+        }
+        return s;
+    }
+    private GSSLibStub(Oid mech) throws GSSException {
+        SunNativeProvider.debug("Created GSSLibStub for mech " + mech);
+        this.mech = mech;
+        this.pMech = getMechPtr(mech.getDER());
+    }
+    public boolean equals(Object obj) {
+        if (obj == this) return true;
+        if (!(obj instanceof GSSLibStub)) {
+            return false;
+        }
+        return (mech.equals(((GSSLibStub) obj).getMech()));
+    }
+    public int hashCode() {
+        return mech.hashCode();
+    }
+    Oid getMech() {
+        return mech;
+    }
+}