J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2006 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; |
| 27 | |
| 28 | import org.ietf.jgss.*; |
| 29 | import sun.security.jgss.spi.*; |
| 30 | import java.util.*; |
| 31 | |
| 32 | public class GSSCredentialImpl implements GSSCredential { |
| 33 | |
| 34 | private GSSManagerImpl gssManager = null; |
| 35 | private boolean destroyed = false; |
| 36 | |
| 37 | /* |
| 38 | * We store all elements in a hashtable, using <oid, usage> as the |
| 39 | * key. This makes it easy to locate the specific kind of credential we |
| 40 | * need. The implementation needs to be optimized for the case where |
| 41 | * there is just one element (tempCred). |
| 42 | */ |
| 43 | private Hashtable<SearchKey, GSSCredentialSpi> hashtable = null; |
| 44 | |
| 45 | // XXX Optimization for single mech usage |
| 46 | private GSSCredentialSpi tempCred = null; |
| 47 | |
| 48 | GSSCredentialImpl(GSSManagerImpl gssManager, int usage) |
| 49 | throws GSSException { |
| 50 | this(gssManager, null, GSSCredential.DEFAULT_LIFETIME, |
| 51 | (Oid[]) null, usage); |
| 52 | } |
| 53 | |
| 54 | GSSCredentialImpl(GSSManagerImpl gssManager, GSSName name, |
| 55 | int lifetime, Oid mech, int usage) |
| 56 | throws GSSException { |
| 57 | if (mech == null) mech = ProviderList.DEFAULT_MECH_OID; |
| 58 | |
| 59 | init(gssManager); |
| 60 | add(name, lifetime, lifetime, mech, usage); |
| 61 | } |
| 62 | |
| 63 | GSSCredentialImpl(GSSManagerImpl gssManager, GSSName name, |
| 64 | int lifetime, Oid mechs[], int usage) |
| 65 | throws GSSException { |
| 66 | init(gssManager); |
| 67 | boolean defaultList = false; |
| 68 | if (mechs == null) { |
| 69 | mechs = gssManager.getMechs(); |
| 70 | defaultList = true; |
| 71 | } |
| 72 | |
| 73 | for (int i = 0; i < mechs.length; i++) { |
| 74 | try { |
| 75 | add(name, lifetime, lifetime, mechs[i], usage); |
| 76 | } catch (GSSException e) { |
| 77 | if (defaultList) { |
| 78 | // Try the next mechanism |
| 79 | GSSUtil.debug("Ignore " + e + " while acquring cred for " |
| 80 | + mechs[i]); |
| 81 | //e.printStackTrace(); |
| 82 | } else throw e; // else try the next mechanism |
| 83 | } |
| 84 | } |
| 85 | if ((hashtable.size() == 0) || (usage != getUsage())) |
| 86 | throw new GSSException(GSSException.NO_CRED); |
| 87 | } |
| 88 | |
| 89 | public GSSCredentialImpl(GSSManagerImpl gssManager, |
| 90 | GSSCredentialSpi mechElement) throws GSSException { |
| 91 | |
| 92 | init(gssManager); |
| 93 | int usage = GSSCredential.ACCEPT_ONLY; |
| 94 | if (mechElement.isInitiatorCredential()) { |
| 95 | if (mechElement.isAcceptorCredential()) { |
| 96 | usage = GSSCredential.INITIATE_AND_ACCEPT; |
| 97 | } else { |
| 98 | usage = GSSCredential.INITIATE_ONLY; |
| 99 | } |
| 100 | } |
| 101 | SearchKey key = new SearchKey(mechElement.getMechanism(), |
| 102 | usage); |
| 103 | tempCred = mechElement; |
| 104 | hashtable.put(key, tempCred); |
| 105 | } |
| 106 | |
| 107 | void init(GSSManagerImpl gssManager) { |
| 108 | this.gssManager = gssManager; |
| 109 | hashtable = new Hashtable<SearchKey, GSSCredentialSpi>( |
| 110 | gssManager.getMechs().length); |
| 111 | } |
| 112 | |
| 113 | public void dispose() throws GSSException { |
| 114 | if (!destroyed) { |
| 115 | GSSCredentialSpi element; |
| 116 | Enumeration<GSSCredentialSpi> values = hashtable.elements(); |
| 117 | while (values.hasMoreElements()) { |
| 118 | element = values.nextElement(); |
| 119 | element.dispose(); |
| 120 | } |
| 121 | destroyed = true; |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | public GSSName getName() throws GSSException { |
| 126 | if (destroyed) { |
| 127 | throw new IllegalStateException("This credential is " + |
| 128 | "no longer valid"); |
| 129 | } |
| 130 | return GSSNameImpl.wrapElement(gssManager, tempCred.getName()); |
| 131 | } |
| 132 | |
| 133 | public GSSName getName(Oid mech) throws GSSException { |
| 134 | |
| 135 | if (destroyed) { |
| 136 | throw new IllegalStateException("This credential is " + |
| 137 | "no longer valid"); |
| 138 | } |
| 139 | |
| 140 | SearchKey key = null; |
| 141 | GSSCredentialSpi element = null; |
| 142 | |
| 143 | if (mech == null) mech = ProviderList.DEFAULT_MECH_OID; |
| 144 | |
| 145 | key = new SearchKey(mech, GSSCredential.INITIATE_ONLY); |
| 146 | element = hashtable.get(key); |
| 147 | |
| 148 | if (element == null) { |
| 149 | key = new SearchKey(mech, GSSCredential.ACCEPT_ONLY); |
| 150 | element = hashtable.get(key); |
| 151 | } |
| 152 | |
| 153 | if (element == null) { |
| 154 | key = new SearchKey(mech, GSSCredential.INITIATE_AND_ACCEPT); |
| 155 | element = hashtable.get(key); |
| 156 | } |
| 157 | |
| 158 | if (element == null) { |
| 159 | throw new GSSExceptionImpl(GSSException.BAD_MECH, mech); |
| 160 | } |
| 161 | |
| 162 | return GSSNameImpl.wrapElement(gssManager, element.getName()); |
| 163 | |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Returns the remaining lifetime of this credential. The remaining |
| 168 | * lifetime is defined as the minimum lifetime, either for initiate or |
| 169 | * for accept, across all elements contained in it. Not terribly |
| 170 | * useful, but required by GSS-API. |
| 171 | */ |
| 172 | public int getRemainingLifetime() throws GSSException { |
| 173 | |
| 174 | if (destroyed) { |
| 175 | throw new IllegalStateException("This credential is " + |
| 176 | "no longer valid"); |
| 177 | } |
| 178 | |
| 179 | SearchKey tempKey; |
| 180 | GSSCredentialSpi tempCred; |
| 181 | int tempLife = 0, tempInitLife = 0, tempAcceptLife = 0; |
| 182 | int min = INDEFINITE_LIFETIME; |
| 183 | |
| 184 | for (Enumeration<SearchKey> e = hashtable.keys(); |
| 185 | e.hasMoreElements(); ) { |
| 186 | tempKey = e.nextElement(); |
| 187 | tempCred = hashtable.get(tempKey); |
| 188 | if (tempKey.getUsage() == INITIATE_ONLY) |
| 189 | tempLife = tempCred.getInitLifetime(); |
| 190 | else if (tempKey.getUsage() == ACCEPT_ONLY) |
| 191 | tempLife = tempCred.getAcceptLifetime(); |
| 192 | else { |
| 193 | tempInitLife = tempCred.getInitLifetime(); |
| 194 | tempAcceptLife = tempCred.getAcceptLifetime(); |
| 195 | tempLife = (tempInitLife < tempAcceptLife ? |
| 196 | tempInitLife: |
| 197 | tempAcceptLife); |
| 198 | } |
| 199 | if (min > tempLife) |
| 200 | min = tempLife; |
| 201 | } |
| 202 | |
| 203 | return min; |
| 204 | } |
| 205 | |
| 206 | public int getRemainingInitLifetime(Oid mech) throws GSSException { |
| 207 | |
| 208 | if (destroyed) { |
| 209 | throw new IllegalStateException("This credential is " + |
| 210 | "no longer valid"); |
| 211 | } |
| 212 | |
| 213 | GSSCredentialSpi element = null; |
| 214 | SearchKey key = null; |
| 215 | boolean found = false; |
| 216 | int max = 0; |
| 217 | |
| 218 | if (mech == null) mech = ProviderList.DEFAULT_MECH_OID; |
| 219 | |
| 220 | key = new SearchKey(mech, GSSCredential.INITIATE_ONLY); |
| 221 | element = hashtable.get(key); |
| 222 | |
| 223 | if (element != null) { |
| 224 | found = true; |
| 225 | if (max < element.getInitLifetime()) |
| 226 | max = element.getInitLifetime(); |
| 227 | } |
| 228 | |
| 229 | key = new SearchKey(mech, GSSCredential.INITIATE_AND_ACCEPT); |
| 230 | element = hashtable.get(key); |
| 231 | |
| 232 | if (element != null) { |
| 233 | found = true; |
| 234 | if (max < element.getInitLifetime()) |
| 235 | max = element.getInitLifetime(); |
| 236 | } |
| 237 | |
| 238 | if (!found) { |
| 239 | throw new GSSExceptionImpl(GSSException.BAD_MECH, mech); |
| 240 | } |
| 241 | |
| 242 | return max; |
| 243 | |
| 244 | } |
| 245 | |
| 246 | public int getRemainingAcceptLifetime(Oid mech) throws GSSException { |
| 247 | |
| 248 | if (destroyed) { |
| 249 | throw new IllegalStateException("This credential is " + |
| 250 | "no longer valid"); |
| 251 | } |
| 252 | |
| 253 | GSSCredentialSpi element = null; |
| 254 | SearchKey key = null; |
| 255 | boolean found = false; |
| 256 | int max = 0; |
| 257 | |
| 258 | if (mech == null) mech = ProviderList.DEFAULT_MECH_OID; |
| 259 | |
| 260 | key = new SearchKey(mech, GSSCredential.ACCEPT_ONLY); |
| 261 | element = hashtable.get(key); |
| 262 | |
| 263 | if (element != null) { |
| 264 | found = true; |
| 265 | if (max < element.getAcceptLifetime()) |
| 266 | max = element.getAcceptLifetime(); |
| 267 | } |
| 268 | |
| 269 | key = new SearchKey(mech, GSSCredential.INITIATE_AND_ACCEPT); |
| 270 | element = hashtable.get(key); |
| 271 | |
| 272 | if (element != null) { |
| 273 | found = true; |
| 274 | if (max < element.getAcceptLifetime()) |
| 275 | max = element.getAcceptLifetime(); |
| 276 | } |
| 277 | |
| 278 | if (!found) { |
| 279 | throw new GSSExceptionImpl(GSSException.BAD_MECH, mech); |
| 280 | } |
| 281 | |
| 282 | return max; |
| 283 | |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * Returns the usage mode for this credential. Returns |
| 288 | * INITIATE_AND_ACCEPT if any one element contained in it supports |
| 289 | * INITIATE_AND_ACCEPT or if two different elements exist where one |
| 290 | * support INITIATE_ONLY and the other supports ACCEPT_ONLY. |
| 291 | */ |
| 292 | public int getUsage() throws GSSException { |
| 293 | |
| 294 | if (destroyed) { |
| 295 | throw new IllegalStateException("This credential is " + |
| 296 | "no longer valid"); |
| 297 | } |
| 298 | |
| 299 | SearchKey tempKey; |
| 300 | boolean initiate = false; |
| 301 | boolean accept = false; |
| 302 | |
| 303 | for (Enumeration<SearchKey> e = hashtable.keys(); |
| 304 | e.hasMoreElements(); ) { |
| 305 | tempKey = e.nextElement(); |
| 306 | if (tempKey.getUsage() == INITIATE_ONLY) |
| 307 | initiate = true; |
| 308 | else if (tempKey.getUsage() == ACCEPT_ONLY) |
| 309 | accept = true; |
| 310 | else |
| 311 | return INITIATE_AND_ACCEPT; |
| 312 | } |
| 313 | if (initiate) { |
| 314 | if (accept) |
| 315 | return INITIATE_AND_ACCEPT; |
| 316 | else |
| 317 | return INITIATE_ONLY; |
| 318 | } else |
| 319 | return ACCEPT_ONLY; |
| 320 | } |
| 321 | |
| 322 | public int getUsage(Oid mech) throws GSSException { |
| 323 | |
| 324 | if (destroyed) { |
| 325 | throw new IllegalStateException("This credential is " + |
| 326 | "no longer valid"); |
| 327 | } |
| 328 | |
| 329 | GSSCredentialSpi element = null; |
| 330 | SearchKey key = null; |
| 331 | boolean initiate = false; |
| 332 | boolean accept = false; |
| 333 | |
| 334 | if (mech == null) mech = ProviderList.DEFAULT_MECH_OID; |
| 335 | |
| 336 | key = new SearchKey(mech, GSSCredential.INITIATE_ONLY); |
| 337 | element = hashtable.get(key); |
| 338 | |
| 339 | if (element != null) { |
| 340 | initiate = true; |
| 341 | } |
| 342 | |
| 343 | key = new SearchKey(mech, GSSCredential.ACCEPT_ONLY); |
| 344 | element = hashtable.get(key); |
| 345 | |
| 346 | if (element != null) { |
| 347 | accept = true; |
| 348 | } |
| 349 | |
| 350 | key = new SearchKey(mech, GSSCredential.INITIATE_AND_ACCEPT); |
| 351 | element = hashtable.get(key); |
| 352 | |
| 353 | if (element != null) { |
| 354 | initiate = true; |
| 355 | accept = true; |
| 356 | } |
| 357 | |
| 358 | if (initiate && accept) |
| 359 | return GSSCredential.INITIATE_AND_ACCEPT; |
| 360 | else if (initiate) |
| 361 | return GSSCredential.INITIATE_ONLY; |
| 362 | else if (accept) |
| 363 | return GSSCredential.ACCEPT_ONLY; |
| 364 | else { |
| 365 | throw new GSSExceptionImpl(GSSException.BAD_MECH, mech); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | public Oid[] getMechs() throws GSSException { |
| 370 | |
| 371 | if (destroyed) { |
| 372 | throw new IllegalStateException("This credential is " + |
| 373 | "no longer valid"); |
| 374 | } |
| 375 | Vector<Oid> result = new Vector<Oid>(hashtable.size()); |
| 376 | |
| 377 | for (Enumeration<SearchKey> e = hashtable.keys(); |
| 378 | e.hasMoreElements(); ) { |
| 379 | SearchKey tempKey = e.nextElement(); |
| 380 | result.addElement(tempKey.getMech()); |
| 381 | } |
| 382 | return result.toArray(new Oid[0]); |
| 383 | } |
| 384 | |
| 385 | public void add(GSSName name, int initLifetime, int acceptLifetime, |
| 386 | Oid mech, int usage) throws GSSException { |
| 387 | |
| 388 | if (destroyed) { |
| 389 | throw new IllegalStateException("This credential is " + |
| 390 | "no longer valid"); |
| 391 | } |
| 392 | if (mech == null) mech = ProviderList.DEFAULT_MECH_OID; |
| 393 | |
| 394 | SearchKey key = new SearchKey(mech, usage); |
| 395 | if (hashtable.containsKey(key)) { |
| 396 | throw new GSSExceptionImpl(GSSException.DUPLICATE_ELEMENT, |
| 397 | "Duplicate element found: " + |
| 398 | getElementStr(mech, usage)); |
| 399 | } |
| 400 | |
| 401 | // XXX If not instance of GSSNameImpl then throw exception |
| 402 | // Application mixing GSS implementations |
| 403 | GSSNameSpi nameElement = (name == null ? null : |
| 404 | ((GSSNameImpl)name).getElement(mech)); |
| 405 | |
| 406 | tempCred = gssManager.getCredentialElement(nameElement, |
| 407 | initLifetime, |
| 408 | acceptLifetime, |
| 409 | mech, |
| 410 | usage); |
| 411 | /* |
| 412 | * Not all mechanisms support the concept of one credential element |
| 413 | * that can be used for both initiating and accepting a context. In |
| 414 | * the event that an application requests usage INITIATE_AND_ACCEPT |
| 415 | * for a credential from such a mechanism, the GSS framework will |
| 416 | * need to obtain two different credential elements from the |
| 417 | * mechanism, one that will have usage INITIATE_ONLY and another |
| 418 | * that will have usage ACCEPT_ONLY. The mechanism will help the |
| 419 | * GSS-API realize this by returning a credential element with |
| 420 | * usage INITIATE_ONLY or ACCEPT_ONLY prompting it to make another |
| 421 | * call to getCredentialElement, this time with the other usage |
| 422 | * mode. |
| 423 | */ |
| 424 | |
| 425 | if (tempCred != null) { |
| 426 | if (usage == GSSCredential.INITIATE_AND_ACCEPT && |
| 427 | (!tempCred.isAcceptorCredential() || |
| 428 | !tempCred.isInitiatorCredential())) { |
| 429 | |
| 430 | int currentUsage; |
| 431 | int desiredUsage; |
| 432 | |
| 433 | if (!tempCred.isInitiatorCredential()) { |
| 434 | currentUsage = GSSCredential.ACCEPT_ONLY; |
| 435 | desiredUsage = GSSCredential.INITIATE_ONLY; |
| 436 | } else { |
| 437 | currentUsage = GSSCredential.INITIATE_ONLY; |
| 438 | desiredUsage = GSSCredential.ACCEPT_ONLY; |
| 439 | } |
| 440 | |
| 441 | key = new SearchKey(mech, currentUsage); |
| 442 | hashtable.put(key, tempCred); |
| 443 | |
| 444 | tempCred = gssManager.getCredentialElement(nameElement, |
| 445 | initLifetime, |
| 446 | acceptLifetime, |
| 447 | mech, |
| 448 | desiredUsage); |
| 449 | |
| 450 | key = new SearchKey(mech, desiredUsage); |
| 451 | hashtable.put(key, tempCred); |
| 452 | } else { |
| 453 | hashtable.put(key, tempCred); |
| 454 | } |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | public boolean equals(Object another) { |
| 459 | |
| 460 | if (destroyed) { |
| 461 | throw new IllegalStateException("This credential is " + |
| 462 | "no longer valid"); |
| 463 | } |
| 464 | |
| 465 | if (this == another) { |
| 466 | return true; |
| 467 | } |
| 468 | |
| 469 | if (!(another instanceof GSSCredentialImpl)) { |
| 470 | return false; |
| 471 | } |
| 472 | |
| 473 | // NOTE: The specification does not define the criteria to compare |
| 474 | // credentials. |
| 475 | /* |
| 476 | * XXX |
| 477 | * The RFC says: "Tests if this GSSCredential refers to the same |
| 478 | * entity as the supplied object. The two credentials must be |
| 479 | * acquired over the same mechanisms and must refer to the same |
| 480 | * principal. Returns "true" if the two GSSCredentials refer to |
| 481 | * the same entity; "false" otherwise." |
| 482 | * |
| 483 | * Well, when do two credentials refer to the same principal? Do |
| 484 | * they need to have one GSSName in common for the different |
| 485 | * GSSName's that the credential elements return? Or do all |
| 486 | * GSSName's have to be in common when the names are exported with |
| 487 | * their respective mechanisms for the credential elements? |
| 488 | */ |
| 489 | return false; |
| 490 | |
| 491 | } |
| 492 | |
| 493 | /** |
| 494 | * Returns a hashcode value for this GSSCredential. |
| 495 | * |
| 496 | * @return a hashCode value |
| 497 | */ |
| 498 | public int hashCode() { |
| 499 | |
| 500 | if (destroyed) { |
| 501 | throw new IllegalStateException("This credential is " + |
| 502 | "no longer valid"); |
| 503 | } |
| 504 | |
| 505 | // NOTE: The specification does not define the criteria to compare |
| 506 | // credentials. |
| 507 | /* |
| 508 | * XXX |
| 509 | * Decide on a criteria for equals first then do this. |
| 510 | */ |
| 511 | return 1; |
| 512 | } |
| 513 | |
| 514 | /** |
| 515 | * Returns the specified mechanism's credential-element. |
| 516 | * |
| 517 | * @param mechOid - the oid for mechanism to retrieve |
| 518 | * @param throwExcep - boolean indicating if the function is |
| 519 | * to throw exception or return null when element is not |
| 520 | * found. |
| 521 | * @return mechanism credential object |
| 522 | * @exception GSSException of invalid mechanism |
| 523 | */ |
| 524 | public GSSCredentialSpi getElement(Oid mechOid, boolean initiate) |
| 525 | throws GSSException { |
| 526 | |
| 527 | if (destroyed) { |
| 528 | throw new IllegalStateException("This credential is " + |
| 529 | "no longer valid"); |
| 530 | } |
| 531 | |
| 532 | SearchKey key; |
| 533 | GSSCredentialSpi element; |
| 534 | |
| 535 | if (mechOid == null) { |
| 536 | /* |
| 537 | * First see if the default mechanism satisfies the |
| 538 | * desired usage. |
| 539 | */ |
| 540 | mechOid = ProviderList.DEFAULT_MECH_OID; |
| 541 | key = new SearchKey(mechOid, |
| 542 | initiate? INITIATE_ONLY : ACCEPT_ONLY); |
| 543 | element = hashtable.get(key); |
| 544 | if (element == null) { |
| 545 | key = new SearchKey(mechOid, INITIATE_AND_ACCEPT); |
| 546 | element = hashtable.get(key); |
| 547 | if (element == null) { |
| 548 | /* |
| 549 | * Now just return any element that satisfies the |
| 550 | * desired usage. |
| 551 | */ |
| 552 | Object[] elements = hashtable.entrySet().toArray(); |
| 553 | for (int i = 0; i < elements.length; i++) { |
| 554 | element = (GSSCredentialSpi) |
| 555 | ((Map.Entry)elements[i]).getValue(); |
| 556 | if (element.isInitiatorCredential() == initiate) |
| 557 | break; |
| 558 | } // for loop |
| 559 | } |
| 560 | } |
| 561 | } else { |
| 562 | |
| 563 | if (initiate) |
| 564 | key = new SearchKey(mechOid, INITIATE_ONLY); |
| 565 | else |
| 566 | key = new SearchKey(mechOid, ACCEPT_ONLY); |
| 567 | |
| 568 | element = hashtable.get(key); |
| 569 | |
| 570 | if (element == null) { |
| 571 | key = new SearchKey(mechOid, INITIATE_AND_ACCEPT); |
| 572 | element = hashtable.get(key); |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | if (element == null) |
| 577 | throw new GSSExceptionImpl(GSSException.NO_CRED, |
| 578 | "No credential found for: " + |
| 579 | mechOid + getElementStr(mechOid, |
| 580 | initiate? INITIATE_ONLY : ACCEPT_ONLY)); |
| 581 | return element; |
| 582 | } |
| 583 | |
| 584 | Set<GSSCredentialSpi> getElements() { |
| 585 | HashSet<GSSCredentialSpi> retVal = |
| 586 | new HashSet<GSSCredentialSpi>(hashtable.size()); |
| 587 | Enumeration<GSSCredentialSpi> values = hashtable.elements(); |
| 588 | while (values.hasMoreElements()) { |
| 589 | GSSCredentialSpi o = values.nextElement(); |
| 590 | retVal.add(o); |
| 591 | } |
| 592 | return retVal; |
| 593 | } |
| 594 | |
| 595 | private static String getElementStr(Oid mechOid, int usage) { |
| 596 | String displayString = mechOid.toString(); |
| 597 | if (usage == GSSCredential.INITIATE_ONLY) { |
| 598 | displayString = |
| 599 | displayString.concat(" usage: Initiate"); |
| 600 | } else if (usage == GSSCredential.ACCEPT_ONLY) { |
| 601 | displayString = |
| 602 | displayString.concat(" usage: Accept"); |
| 603 | } else { |
| 604 | displayString = |
| 605 | displayString.concat(" usage: Initiate and Accept"); |
| 606 | } |
| 607 | return displayString; |
| 608 | } |
| 609 | |
| 610 | public String toString() { |
| 611 | |
| 612 | if (destroyed) { |
| 613 | throw new IllegalStateException("This credential is " + |
| 614 | "no longer valid"); |
| 615 | } |
| 616 | |
| 617 | GSSCredentialSpi element = null; |
| 618 | StringBuffer buffer = new StringBuffer("[GSSCredential: "); |
| 619 | Object[] elements = hashtable.entrySet().toArray(); |
| 620 | for (int i = 0; i < elements.length; i++) { |
| 621 | try { |
| 622 | buffer.append('\n'); |
| 623 | element = (GSSCredentialSpi) |
| 624 | ((Map.Entry)elements[i]).getValue(); |
| 625 | buffer.append(element.getName()); |
| 626 | buffer.append(' '); |
| 627 | buffer.append(element.getMechanism()); |
| 628 | buffer.append(element.isInitiatorCredential() ? |
| 629 | " Initiate" : ""); |
| 630 | buffer.append(element.isAcceptorCredential() ? |
| 631 | " Accept" : ""); |
| 632 | buffer.append(" ["); |
| 633 | buffer.append(element.toString()); |
| 634 | buffer.append(']'); |
| 635 | } catch (GSSException e) { |
| 636 | // skip to next element |
| 637 | } |
| 638 | } |
| 639 | buffer.append(']'); |
| 640 | return buffer.toString(); |
| 641 | } |
| 642 | |
| 643 | static class SearchKey { |
| 644 | private Oid mechOid = null; |
| 645 | private int usage = GSSCredential.INITIATE_AND_ACCEPT; |
| 646 | public SearchKey(Oid mechOid, int usage) { |
| 647 | |
| 648 | this.mechOid = mechOid; |
| 649 | this.usage = usage; |
| 650 | } |
| 651 | public Oid getMech() { |
| 652 | return mechOid; |
| 653 | } |
| 654 | public int getUsage() { |
| 655 | return usage; |
| 656 | } |
| 657 | public boolean equals(Object other) { |
| 658 | if (! (other instanceof SearchKey)) |
| 659 | return false; |
| 660 | SearchKey that = (SearchKey) other; |
| 661 | return ((this.mechOid.equals(that.mechOid)) && |
| 662 | (this.usage == that.usage)); |
| 663 | } |
| 664 | public int hashCode() { |
| 665 | return mechOid.hashCode(); |
| 666 | } |
| 667 | } |
| 668 | |
| 669 | } |