J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any 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 library name to dlopen |
| 52 | * @return true if succeeded, false otherwise. |
| 53 | */ |
| 54 | static native boolean init(String lib); |
| 55 | private static native long getMechPtr(byte[] oidDerEncoding); |
| 56 | |
| 57 | // Miscellaneous routines |
| 58 | static native Oid[] indicateMechs(); |
| 59 | native Oid[] inquireNamesForMech() throws GSSException; |
| 60 | |
| 61 | // Name related routines |
| 62 | native void releaseName(long pName); |
| 63 | native long importName(byte[] name, Oid type); |
| 64 | native boolean compareName(long pName1, long pName2); |
| 65 | native long canonicalizeName(long pName); |
| 66 | native byte[] exportName(long pName) throws GSSException; |
| 67 | native Object[] displayName(long pName) throws GSSException; |
| 68 | |
| 69 | // Credential related routines |
| 70 | native long acquireCred(long pName, int lifetime, int usage) |
| 71 | throws GSSException; |
| 72 | native long releaseCred(long pCred); |
| 73 | native long getCredName(long pCred); |
| 74 | native int getCredTime(long pCred); |
| 75 | native int getCredUsage(long pCred); |
| 76 | |
| 77 | // Context related routines |
| 78 | native NativeGSSContext importContext(byte[] interProcToken); |
| 79 | native byte[] initContext(long pCred, long targetName, ChannelBinding cb, |
| 80 | byte[] inToken, NativeGSSContext context); |
| 81 | native byte[] acceptContext(long pCred, ChannelBinding cb, |
| 82 | byte[] inToken, NativeGSSContext context); |
| 83 | native long[] inquireContext(long pContext); |
| 84 | native Oid getContextMech(long pContext); |
| 85 | native long getContextName(long pContext, boolean isSrc); |
| 86 | native int getContextTime(long pContext); |
| 87 | native long deleteContext(long pContext); |
| 88 | native int wrapSizeLimit(long pContext, int flags, int qop, int outSize); |
| 89 | native byte[] exportContext(long pContext); |
| 90 | native byte[] getMic(long pContext, int qop, byte[] msg); |
| 91 | native void verifyMic(long pContext, byte[] token, byte[] msg, |
| 92 | MessageProp prop) ; |
| 93 | native byte[] wrap(long pContext, byte[] msg, MessageProp prop); |
| 94 | native byte[] unwrap(long pContext, byte[] msgToken, MessageProp prop); |
| 95 | |
| 96 | private static Hashtable<Oid, GSSLibStub> |
| 97 | table = new Hashtable<Oid, GSSLibStub>(5); |
| 98 | |
| 99 | static GSSLibStub getInstance(Oid mech) throws GSSException { |
| 100 | GSSLibStub s = table.get(mech); |
| 101 | if (s == null) { |
| 102 | s = new GSSLibStub(mech); |
| 103 | table.put(mech, s); |
| 104 | } |
| 105 | return s; |
| 106 | } |
| 107 | private GSSLibStub(Oid mech) throws GSSException { |
| 108 | SunNativeProvider.debug("Created GSSLibStub for mech " + mech); |
| 109 | this.mech = mech; |
| 110 | this.pMech = getMechPtr(mech.getDER()); |
| 111 | } |
| 112 | public boolean equals(Object obj) { |
| 113 | if (obj == this) return true; |
| 114 | if (!(obj instanceof GSSLibStub)) { |
| 115 | return false; |
| 116 | } |
| 117 | return (mech.equals(((GSSLibStub) obj).getMech())); |
| 118 | } |
| 119 | public int hashCode() { |
| 120 | return mech.hashCode(); |
| 121 | } |
| 122 | Oid getMech() { |
| 123 | return mech; |
| 124 | } |
| 125 | } |