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| 1 | +/* | |
| 2 | + * Copyright (c) 2000, 2010, 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; | |
| 27 | + | |
| 28 | +import org.ietf.jgss.*; | |
| 29 | +import sun.security.jgss.spi.*; | |
| 30 | +import java.security.Provider; | |
| 31 | +import java.security.AccessController; | |
| 32 | +import java.security.PrivilegedAction; | |
| 33 | + | |
| 34 | +/** | |
| 35 | + * This class provides the default implementation of the GSSManager | |
| 36 | + * interface. | |
| 37 | + */ | |
| 38 | +public class GSSManagerImpl extends GSSManager { | |
| 39 | + | |
| 40 | + // Undocumented property | |
| 41 | + private static final String USE_NATIVE_PROP = | |
| 42 | + "sun.security.jgss.native"; | |
| 43 | + private static final Boolean USE_NATIVE; | |
| 44 | + | |
| 45 | + static { | |
| 46 | + USE_NATIVE = | |
| 47 | + AccessController.doPrivileged(new PrivilegedAction<Boolean>() { | |
| 48 | + public Boolean run() { | |
| 49 | + String osname = System.getProperty("os.name"); | |
| 50 | + if (osname.startsWith("SunOS") || | |
| 51 | + osname.startsWith("Linux")) { | |
| 52 | + return new Boolean(System.getProperty | |
| 53 | + (USE_NATIVE_PROP)); | |
| 54 | + } | |
| 55 | + return Boolean.FALSE; | |
| 56 | + } | |
| 57 | + }); | |
| 58 | + | |
| 59 | + } | |
| 60 | + | |
| 61 | + private ProviderList list; | |
| 62 | + | |
| 63 | + // Used by java SPNEGO impl to make sure native is disabled | |
| 64 | + public GSSManagerImpl(GSSCaller caller, boolean useNative) { | |
| 65 | + list = new ProviderList(caller, useNative); | |
| 66 | + } | |
| 67 | + | |
| 68 | + // Used by HTTP/SPNEGO NegotiatorImpl | |
| 69 | + public GSSManagerImpl(GSSCaller caller) { | |
| 70 | + list = new ProviderList(caller, USE_NATIVE); | |
| 71 | + } | |
| 72 | + | |
| 73 | + public GSSManagerImpl() { | |
| 74 | + list = new ProviderList(GSSCaller.CALLER_UNKNOWN, USE_NATIVE); | |
| 75 | + } | |
| 76 | + | |
| 77 | + public Oid[] getMechs(){ | |
| 78 | + return list.getMechs(); | |
| 79 | + } | |
| 80 | + | |
| 81 | + public Oid[] getNamesForMech(Oid mech) | |
| 82 | + throws GSSException { | |
| 83 | + MechanismFactory factory = list.getMechFactory(mech); | |
| 84 | + return factory.getNameTypes().clone(); | |
| 85 | + } | |
| 86 | + | |
| 87 | + public Oid[] getMechsForName(Oid nameType){ | |
| 88 | + Oid[] mechs = list.getMechs(); | |
| 89 | + Oid[] retVal = new Oid[mechs.length]; | |
| 90 | + int pos = 0; | |
| 91 | + | |
| 92 | + // Compatibility with RFC 2853 old NT_HOSTBASED_SERVICE value. | |
| 93 | + if (nameType.equals(GSSNameImpl.oldHostbasedServiceName)) { | |
| 94 | + nameType = GSSName.NT_HOSTBASED_SERVICE; | |
| 95 | + } | |
| 96 | + | |
| 97 | + // Iterate thru all mechs in GSS | |
| 98 | + for (int i = 0; i < mechs.length; i++) { | |
| 99 | + // what nametypes does this mech support? | |
| 100 | + Oid mech = mechs[i]; | |
| 101 | + try { | |
| 102 | + Oid[] namesForMech = getNamesForMech(mech); | |
| 103 | + // Is the desired Oid present in that list? | |
| 104 | + if (nameType.containedIn(namesForMech)) { | |
| 105 | + retVal[pos++] = mech; | |
| 106 | + } | |
| 107 | + } catch (GSSException e) { | |
| 108 | + // Squelch it and just skip over this mechanism | |
| 109 | + GSSUtil.debug("Skip " + mech + | |
| 110 | + ": error retrieving supported name types"); | |
| 111 | + } | |
| 112 | + } | |
| 113 | + | |
| 114 | + // Trim the list if needed | |
| 115 | + if (pos < retVal.length) { | |
| 116 | + Oid[] temp = new Oid[pos]; | |
| 117 | + for (int i = 0; i < pos; i++) | |
| 118 | + temp[i] = retVal[i]; | |
| 119 | + retVal = temp; | |
| 120 | + } | |
| 121 | + | |
| 122 | + return retVal; | |
| 123 | + } | |
| 124 | + | |
| 125 | + public GSSName createName(String nameStr, Oid nameType) | |
| 126 | + throws GSSException { | |
| 127 | + return new GSSNameImpl(this, nameStr, nameType); | |
| 128 | + } | |
| 129 | + | |
| 130 | + public GSSName createName(byte name[], Oid nameType) | |
| 131 | + throws GSSException { | |
| 132 | + return new GSSNameImpl(this, name, nameType); | |
| 133 | + } | |
| 134 | + | |
| 135 | + public GSSName createName(String nameStr, Oid nameType, | |
| 136 | + Oid mech) throws GSSException { | |
| 137 | + return new GSSNameImpl(this, nameStr, nameType, mech); | |
| 138 | + } | |
| 139 | + | |
| 140 | + public GSSName createName(byte name[], Oid nameType, Oid mech) | |
| 141 | + throws GSSException { | |
| 142 | + return new GSSNameImpl(this, name, nameType, mech); | |
| 143 | + } | |
| 144 | + | |
| 145 | + public GSSCredential createCredential(int usage) | |
| 146 | + throws GSSException { | |
| 147 | + return new GSSCredentialImpl(this, usage); | |
| 148 | + } | |
| 149 | + | |
| 150 | + public GSSCredential createCredential(GSSName aName, | |
| 151 | + int lifetime, Oid mech, int usage) | |
| 152 | + throws GSSException { | |
| 153 | + return new GSSCredentialImpl(this, aName, lifetime, mech, usage); | |
| 154 | + } | |
| 155 | + | |
| 156 | + public GSSCredential createCredential(GSSName aName, | |
| 157 | + int lifetime, Oid mechs[], int usage) | |
| 158 | + throws GSSException { | |
| 159 | + return new GSSCredentialImpl(this, aName, lifetime, mechs, usage); | |
| 160 | + } | |
| 161 | + | |
| 162 | + public GSSContext createContext(GSSName peer, Oid mech, | |
| 163 | + GSSCredential myCred, int lifetime) | |
| 164 | + throws GSSException { | |
| 165 | + return new GSSContextImpl(this, peer, mech, myCred, lifetime); | |
| 166 | + } | |
| 167 | + | |
| 168 | + public GSSContext createContext(GSSCredential myCred) | |
| 169 | + throws GSSException { | |
| 170 | + return new GSSContextImpl(this, myCred); | |
| 171 | + } | |
| 172 | + | |
| 173 | + public GSSContext createContext(byte[] interProcessToken) | |
| 174 | + throws GSSException { | |
| 175 | + return new GSSContextImpl(this, interProcessToken); | |
| 176 | + } | |
| 177 | + | |
| 178 | + public void addProviderAtFront(Provider p, Oid mech) | |
| 179 | + throws GSSException { | |
| 180 | + list.addProviderAtFront(p, mech); | |
| 181 | + } | |
| 182 | + | |
| 183 | + public void addProviderAtEnd(Provider p, Oid mech) | |
| 184 | + throws GSSException { | |
| 185 | + list.addProviderAtEnd(p, mech); | |
| 186 | + } | |
| 187 | + | |
| 188 | + public GSSCredentialSpi getCredentialElement(GSSNameSpi name, int initLifetime, | |
| 189 | + int acceptLifetime, Oid mech, int usage) | |
| 190 | + throws GSSException { | |
| 191 | + MechanismFactory factory = list.getMechFactory(mech); | |
| 192 | + return factory.getCredentialElement(name, initLifetime, | |
| 193 | + acceptLifetime, usage); | |
| 194 | + } | |
| 195 | + | |
| 196 | + // Used by java SPNEGO impl | |
| 197 | + public GSSNameSpi getNameElement(String name, Oid nameType, Oid mech) | |
| 198 | + throws GSSException { | |
| 199 | + // Just use the most preferred MF impl assuming GSSNameSpi | |
| 200 | + // objects are interoperable among providers | |
| 201 | + MechanismFactory factory = list.getMechFactory(mech); | |
| 202 | + return factory.getNameElement(name, nameType); | |
| 203 | + } | |
| 204 | + | |
| 205 | + // Used by java SPNEGO impl | |
| 206 | + public GSSNameSpi getNameElement(byte[] name, Oid nameType, Oid mech) | |
| 207 | + throws GSSException { | |
| 208 | + // Just use the most preferred MF impl assuming GSSNameSpi | |
| 209 | + // objects are interoperable among providers | |
| 210 | + MechanismFactory factory = list.getMechFactory(mech); | |
| 211 | + return factory.getNameElement(name, nameType); | |
| 212 | + } | |
| 213 | + | |
| 214 | + GSSContextSpi getMechanismContext(GSSNameSpi peer, | |
| 215 | + GSSCredentialSpi myInitiatorCred, | |
| 216 | + int lifetime, Oid mech) | |
| 217 | + throws GSSException { | |
| 218 | + Provider p = null; | |
| 219 | + if (myInitiatorCred != null) { | |
| 220 | + p = myInitiatorCred.getProvider(); | |
| 221 | + } | |
| 222 | + MechanismFactory factory = list.getMechFactory(mech, p); | |
| 223 | + return factory.getMechanismContext(peer, myInitiatorCred, lifetime); | |
| 224 | + } | |
| 225 | + | |
| 226 | + GSSContextSpi getMechanismContext(GSSCredentialSpi myAcceptorCred, | |
| 227 | + Oid mech) | |
| 228 | + throws GSSException { | |
| 229 | + Provider p = null; | |
| 230 | + if (myAcceptorCred != null) { | |
| 231 | + p = myAcceptorCred.getProvider(); | |
| 232 | + } | |
| 233 | + MechanismFactory factory = list.getMechFactory(mech, p); | |
| 234 | + return factory.getMechanismContext(myAcceptorCred); | |
| 235 | + } | |
| 236 | + | |
| 237 | + GSSContextSpi getMechanismContext(byte[] exportedContext) | |
| 238 | + throws GSSException { | |
| 239 | + if ((exportedContext == null) || (exportedContext.length == 0)) { | |
| 240 | + throw new GSSException(GSSException.NO_CONTEXT); | |
| 241 | + } | |
| 242 | + GSSContextSpi result = null; | |
| 243 | + | |
| 244 | + // Only allow context import with native provider since JGSS | |
| 245 | + // still has not defined its own interprocess token format | |
| 246 | + Oid[] mechs = list.getMechs(); | |
| 247 | + for (int i = 0; i < mechs.length; i++) { | |
| 248 | + MechanismFactory factory = list.getMechFactory(mechs[i]); | |
| 249 | + if (factory.getProvider().getName().equals("SunNativeGSS")) { | |
| 250 | + result = factory.getMechanismContext(exportedContext); | |
| 251 | + if (result != null) break; | |
| 252 | + } | |
| 253 | + } | |
| 254 | + if (result == null) { | |
| 255 | + throw new GSSException(GSSException.UNAVAILABLE); | |
| 256 | + } | |
| 257 | + return result; | |
| 258 | + } | |
| 259 | +} | |