1 /* 2 * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.security.jgss.wrapper; 27 28 import java.util.Hashtable; 29 import org.ietf.jgss.Oid; 30 import org.ietf.jgss.GSSName; 31 import org.ietf.jgss.ChannelBinding; 32 import org.ietf.jgss.MessageProp; 33 import org.ietf.jgss.GSSException; 34 import sun.security.jgss.GSSUtil; 35 36 /** 37 * This class is essentially a JNI calling stub for all wrapper classes. 38 * 39 * @author Valerie Peng 40 * @since 1.6 41 */ 42 43 class GSSLibStub { 44 45 private Oid mech; 46 private long pMech; 47 48 /** 49 * Initialization routine to dynamically load function pointers. 50 * 51 * @param lib library name to dlopen 52 * @param debug set to true for reporting native debugging info 53 * @return true if succeeded, false otherwise. 54 */ init(String lib, boolean debug)55 static native boolean init(String lib, boolean debug); getMechPtr(byte[] oidDerEncoding)56 private static native long getMechPtr(byte[] oidDerEncoding); 57 58 // Miscellaneous routines indicateMechs()59 static native Oid[] indicateMechs(); inquireNamesForMech()60 native Oid[] inquireNamesForMech() throws GSSException; 61 62 // Name related routines releaseName(long pName)63 native void releaseName(long pName); importName(byte[] name, Oid type)64 native long importName(byte[] name, Oid type); compareName(long pName1, long pName2)65 native boolean compareName(long pName1, long pName2); canonicalizeName(long pName)66 native long canonicalizeName(long pName); exportName(long pName)67 native byte[] exportName(long pName) throws GSSException; displayName(long pName)68 native Object[] displayName(long pName) throws GSSException; 69 70 // Credential related routines acquireCred(long pName, int lifetime, int usage)71 native long acquireCred(long pName, int lifetime, int usage) 72 throws GSSException; releaseCred(long pCred)73 native long releaseCred(long pCred); getCredName(long pCred)74 native long getCredName(long pCred); getCredTime(long pCred)75 native int getCredTime(long pCred); getCredUsage(long pCred)76 native int getCredUsage(long pCred); 77 78 // Context related routines importContext(byte[] interProcToken)79 native NativeGSSContext importContext(byte[] interProcToken); initContext(long pCred, long targetName, ChannelBinding cb, byte[] inToken, NativeGSSContext context)80 native byte[] initContext(long pCred, long targetName, ChannelBinding cb, 81 byte[] inToken, NativeGSSContext context); acceptContext(long pCred, ChannelBinding cb, byte[] inToken, NativeGSSContext context)82 native byte[] acceptContext(long pCred, ChannelBinding cb, 83 byte[] inToken, NativeGSSContext context); inquireContext(long pContext)84 native long[] inquireContext(long pContext); getContextMech(long pContext)85 native Oid getContextMech(long pContext); getContextName(long pContext, boolean isSrc)86 native long getContextName(long pContext, boolean isSrc); getContextTime(long pContext)87 native int getContextTime(long pContext); deleteContext(long pContext)88 native long deleteContext(long pContext); wrapSizeLimit(long pContext, int flags, int qop, int outSize)89 native int wrapSizeLimit(long pContext, int flags, int qop, int outSize); exportContext(long pContext)90 native byte[] exportContext(long pContext); getMic(long pContext, int qop, byte[] msg)91 native byte[] getMic(long pContext, int qop, byte[] msg); verifyMic(long pContext, byte[] token, byte[] msg, MessageProp prop)92 native void verifyMic(long pContext, byte[] token, byte[] msg, 93 MessageProp prop) ; wrap(long pContext, byte[] msg, MessageProp prop)94 native byte[] wrap(long pContext, byte[] msg, MessageProp prop); unwrap(long pContext, byte[] msgToken, MessageProp prop)95 native byte[] unwrap(long pContext, byte[] msgToken, MessageProp prop); 96 97 private static Hashtable<Oid, GSSLibStub> 98 table = new Hashtable<Oid, GSSLibStub>(5); 99 getInstance(Oid mech)100 static GSSLibStub getInstance(Oid mech) throws GSSException { 101 GSSLibStub s = table.get(mech); 102 if (s == null) { 103 s = new GSSLibStub(mech); 104 table.put(mech, s); 105 } 106 return s; 107 } GSSLibStub(Oid mech)108 private GSSLibStub(Oid mech) throws GSSException { 109 SunNativeProvider.debug("Created GSSLibStub for mech " + mech); 110 this.mech = mech; 111 this.pMech = getMechPtr(mech.getDER()); 112 } equals(Object obj)113 public boolean equals(Object obj) { 114 if (obj == this) return true; 115 if (!(obj instanceof GSSLibStub)) { 116 return false; 117 } 118 return (mech.equals(((GSSLibStub) obj).getMech())); 119 } hashCode()120 public int hashCode() { 121 return mech.hashCode(); 122 } getMech()123 Oid getMech() { 124 return mech; 125 } 126 } 127