127 lines
4.7 KiB
Java
127 lines
4.7 KiB
Java
/*
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* Copyright (c) 2005, 2014, 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.Hashtable;
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import org.ietf.jgss.Oid;
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import org.ietf.jgss.GSSName;
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import org.ietf.jgss.ChannelBinding;
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import org.ietf.jgss.MessageProp;
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import org.ietf.jgss.GSSException;
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import sun.security.jgss.GSSUtil;
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/**
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* This class is essentially a JNI calling stub for all wrapper classes.
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*
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* @author Valerie Peng
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* @since 1.6
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*/
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class GSSLibStub {
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private Oid mech;
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private long pMech;
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/**
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* Initialization routine to dynamically load function pointers.
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*
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* @param lib library name to dlopen
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* @param debug set to true for reporting native debugging info
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* @return true if succeeded, false otherwise.
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*/
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static native boolean init(String lib, boolean debug);
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private static native long getMechPtr(byte[] oidDerEncoding);
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// Miscellaneous routines
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static native Oid[] indicateMechs();
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native Oid[] inquireNamesForMech() throws GSSException;
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// Name related routines
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native void releaseName(long pName);
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native long importName(byte[] name, Oid type);
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native boolean compareName(long pName1, long pName2);
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native long canonicalizeName(long pName);
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native byte[] exportName(long pName) throws GSSException;
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native Object[] displayName(long pName) throws GSSException;
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// Credential related routines
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native long acquireCred(long pName, int lifetime, int usage)
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throws GSSException;
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native long releaseCred(long pCred);
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native long getCredName(long pCred);
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native int getCredTime(long pCred);
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native int getCredUsage(long pCred);
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// Context related routines
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native NativeGSSContext importContext(byte[] interProcToken);
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native byte[] initContext(long pCred, long targetName, ChannelBinding cb,
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byte[] inToken, NativeGSSContext context);
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native byte[] acceptContext(long pCred, ChannelBinding cb,
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byte[] inToken, NativeGSSContext context);
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native long[] inquireContext(long pContext);
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native Oid getContextMech(long pContext);
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native long getContextName(long pContext, boolean isSrc);
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native int getContextTime(long pContext);
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native long deleteContext(long pContext);
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native int wrapSizeLimit(long pContext, int flags, int qop, int outSize);
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native byte[] exportContext(long pContext);
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native byte[] getMic(long pContext, int qop, byte[] msg);
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native void verifyMic(long pContext, byte[] token, byte[] msg,
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MessageProp prop) ;
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native byte[] wrap(long pContext, byte[] msg, MessageProp prop);
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native byte[] unwrap(long pContext, byte[] msgToken, MessageProp prop);
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private static Hashtable<Oid, GSSLibStub>
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table = new Hashtable<Oid, GSSLibStub>(5);
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static GSSLibStub getInstance(Oid mech) throws GSSException {
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GSSLibStub s = table.get(mech);
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if (s == null) {
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s = new GSSLibStub(mech);
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table.put(mech, s);
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}
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return s;
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}
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private GSSLibStub(Oid mech) throws GSSException {
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SunNativeProvider.debug("Created GSSLibStub for mech " + mech);
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this.mech = mech;
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this.pMech = getMechPtr(mech.getDER());
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}
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public boolean equals(Object obj) {
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if (obj == this) return true;
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if (!(obj instanceof GSSLibStub)) {
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return false;
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}
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return (mech.equals(((GSSLibStub) obj).getMech()));
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}
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public int hashCode() {
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return mech.hashCode();
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}
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Oid getMech() {
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return mech;
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}
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}
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