J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Portions Copyright 2000-2007 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 | /* |
| 27 | * |
| 28 | * (C) Copyright IBM Corp. 1999 All Rights Reserved. |
| 29 | * Copyright 1997 The Open Group Research Institute. All rights reserved. |
| 30 | */ |
| 31 | |
| 32 | package sun.security.krb5; |
| 33 | |
| 34 | import sun.security.krb5.internal.*; |
| 35 | import sun.security.krb5.internal.ccache.CredentialsCache; |
| 36 | import java.util.StringTokenizer; |
| 37 | import sun.security.krb5.internal.ktab.*; |
| 38 | import sun.security.krb5.internal.crypto.EType; |
| 39 | import java.io.File; |
| 40 | import java.io.IOException; |
| 41 | import java.util.Date; |
| 42 | import java.util.Vector; |
| 43 | import java.io.BufferedReader; |
| 44 | import java.io.InputStreamReader; |
| 45 | import java.io.UnsupportedEncodingException; |
| 46 | import java.net.InetAddress; |
| 47 | |
| 48 | /** |
| 49 | * This class encapsulates the concept of a Kerberos service |
| 50 | * credential. That includes a Kerberos ticket and an associated |
| 51 | * session key. |
| 52 | */ |
| 53 | public class Credentials { |
| 54 | |
| 55 | Ticket ticket; |
| 56 | PrincipalName client; |
| 57 | PrincipalName server; |
| 58 | EncryptionKey key; |
| 59 | TicketFlags flags; |
| 60 | KerberosTime authTime; |
| 61 | KerberosTime startTime; |
| 62 | KerberosTime endTime; |
| 63 | KerberosTime renewTill; |
| 64 | HostAddresses cAddr; |
| 65 | EncryptionKey serviceKey; |
| 66 | private static boolean DEBUG = Krb5.DEBUG; |
| 67 | private static CredentialsCache cache; |
| 68 | static boolean alreadyLoaded = false; |
| 69 | private static boolean alreadyTried = false; |
| 70 | private static native Credentials acquireDefaultNativeCreds(); |
| 71 | |
| 72 | public Credentials(Ticket new_ticket, |
| 73 | PrincipalName new_client, |
| 74 | PrincipalName new_server, |
| 75 | EncryptionKey new_key, |
| 76 | TicketFlags new_flags, |
| 77 | KerberosTime authTime, |
| 78 | KerberosTime new_startTime, |
| 79 | KerberosTime new_endTime, |
| 80 | KerberosTime renewTill, |
| 81 | HostAddresses cAddr) { |
| 82 | ticket = new_ticket; |
| 83 | client = new_client; |
| 84 | server = new_server; |
| 85 | key = new_key; |
| 86 | flags = new_flags; |
| 87 | this.authTime = authTime; |
| 88 | startTime = new_startTime; |
| 89 | endTime = new_endTime; |
| 90 | this.renewTill = renewTill; |
| 91 | this.cAddr = cAddr; |
| 92 | } |
| 93 | |
| 94 | public Credentials(byte[] encoding, |
| 95 | String client, |
| 96 | String server, |
| 97 | byte[] keyBytes, |
| 98 | int keyType, |
| 99 | boolean[] flags, |
| 100 | Date authTime, |
| 101 | Date startTime, |
| 102 | Date endTime, |
| 103 | Date renewTill, |
| 104 | InetAddress[] cAddrs) throws KrbException, IOException { |
| 105 | this(new Ticket(encoding), |
| 106 | new PrincipalName(client, PrincipalName.KRB_NT_PRINCIPAL), |
| 107 | new PrincipalName(server, PrincipalName.KRB_NT_SRV_INST), |
| 108 | new EncryptionKey(keyType, keyBytes), |
| 109 | (flags == null? null: new TicketFlags(flags)), |
| 110 | (authTime == null? null: new KerberosTime(authTime)), |
| 111 | (startTime == null? null: new KerberosTime(startTime)), |
| 112 | (endTime == null? null: new KerberosTime(endTime)), |
| 113 | (renewTill == null? null: new KerberosTime(renewTill)), |
| 114 | null); // caddrs are in the encoding at this point |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Acquires a service ticket for the specified service |
| 119 | * principal. If the service ticket is not already available, it |
| 120 | * obtains a new one from the KDC. |
| 121 | */ |
| 122 | /* |
| 123 | public Credentials(Credentials tgt, PrincipalName service) |
| 124 | throws KrbException { |
| 125 | } |
| 126 | */ |
| 127 | |
| 128 | public final PrincipalName getClient() { |
| 129 | return client; |
| 130 | } |
| 131 | |
| 132 | public final PrincipalName getServer() { |
| 133 | return server; |
| 134 | } |
| 135 | |
| 136 | public final EncryptionKey getSessionKey() { |
| 137 | return key; |
| 138 | } |
| 139 | |
| 140 | public final Date getAuthTime() { |
| 141 | if (authTime != null) { |
| 142 | return authTime.toDate(); |
| 143 | } else { |
| 144 | return null; |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | public final Date getStartTime() { |
| 149 | if (startTime != null) |
| 150 | { |
| 151 | return startTime.toDate(); |
| 152 | } |
| 153 | return null; |
| 154 | } |
| 155 | |
| 156 | public final Date getEndTime() { |
| 157 | if (endTime != null) |
| 158 | { |
| 159 | return endTime.toDate(); |
| 160 | } |
| 161 | return null; |
| 162 | } |
| 163 | |
| 164 | public final Date getRenewTill() { |
| 165 | if (renewTill != null) |
| 166 | { |
| 167 | return renewTill.toDate(); |
| 168 | } |
| 169 | return null; |
| 170 | } |
| 171 | |
| 172 | public final boolean[] getFlags() { |
| 173 | if (flags == null) // Can be in a KRB-CRED |
| 174 | return null; |
| 175 | return flags.toBooleanArray(); |
| 176 | } |
| 177 | |
| 178 | public final InetAddress[] getClientAddresses() { |
| 179 | |
| 180 | if (cAddr == null) |
| 181 | return null; |
| 182 | |
| 183 | return cAddr.getInetAddresses(); |
| 184 | } |
| 185 | |
| 186 | public final byte[] getEncoded() { |
| 187 | byte[] retVal = null; |
| 188 | try { |
| 189 | retVal = ticket.asn1Encode(); |
| 190 | } catch (Asn1Exception e) { |
| 191 | if (DEBUG) |
| 192 | System.out.println(e); |
| 193 | } catch (IOException ioe) { |
| 194 | if (DEBUG) |
| 195 | System.out.println(ioe); |
| 196 | } |
| 197 | return retVal; |
| 198 | } |
| 199 | |
| 200 | public boolean isForwardable() { |
| 201 | return flags.get(Krb5.TKT_OPTS_FORWARDABLE); |
| 202 | } |
| 203 | |
| 204 | public boolean isRenewable() { |
| 205 | return flags.get(Krb5.TKT_OPTS_RENEWABLE); |
| 206 | } |
| 207 | |
| 208 | public Ticket getTicket() { |
| 209 | return ticket; |
| 210 | } |
| 211 | |
| 212 | public TicketFlags getTicketFlags() { |
| 213 | return flags; |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * Checks if the service ticket returned by the KDC has the OK-AS-DELEGATE |
| 218 | * flag set |
| 219 | * @return true if OK-AS_DELEGATE flag is set, otherwise, return false. |
| 220 | */ |
| 221 | public boolean checkDelegate() { |
| 222 | return (flags.get(Krb5.TKT_OPTS_DELEGATE)); |
| 223 | } |
| 224 | |
| 225 | public Credentials renew() throws KrbException, IOException { |
| 226 | KDCOptions options = new KDCOptions(); |
| 227 | options.set(KDCOptions.RENEW, true); |
| 228 | /* |
| 229 | * Added here to pass KrbKdcRep.check:73 |
| 230 | */ |
| 231 | options.set(KDCOptions.RENEWABLE, true); |
| 232 | |
| 233 | return new KrbTgsReq(options, |
| 234 | this, |
| 235 | server, |
| 236 | null, // from |
| 237 | null, // till |
| 238 | null, // rtime |
| 239 | null, // eTypes |
| 240 | cAddr, |
| 241 | null, |
| 242 | null, |
| 243 | null).sendAndGetCreds(); |
| 244 | } |
| 245 | |
| 246 | /** |
| 247 | * Returns a TGT for the given client principal from a ticket cache. |
| 248 | * |
| 249 | * @param princ the client principal. A value of null means that the |
| 250 | * default principal name in the credentials cache will be used. |
| 251 | * @param ticketCache the path to the tickets file. A value |
| 252 | * of null will be accepted to indicate that the default |
| 253 | * path should be searched |
| 254 | * @returns the TGT credentials or null if none were found. If the tgt |
| 255 | * expired, it is the responsibility of the caller to determine this. |
| 256 | */ |
| 257 | public static Credentials acquireTGTFromCache(PrincipalName princ, |
| 258 | String ticketCache) |
| 259 | throws KrbException, IOException { |
| 260 | |
| 261 | if (ticketCache == null) { |
| 262 | // The default ticket cache on Windows is not a file. |
| 263 | String os = java.security.AccessController.doPrivileged( |
| 264 | new sun.security.action.GetPropertyAction("os.name")); |
| 265 | if (os.toUpperCase().startsWith("WINDOWS")) { |
| 266 | Credentials creds = acquireDefaultCreds(); |
| 267 | if (creds == null) { |
| 268 | if (DEBUG) { |
| 269 | System.out.println(">>> Found no TGT's in LSA"); |
| 270 | } |
| 271 | return null; |
| 272 | } |
| 273 | if (princ != null) { |
| 274 | if (creds.getClient().equals(princ)) { |
| 275 | if (DEBUG) { |
| 276 | System.out.println(">>> Obtained TGT from LSA: " |
| 277 | + creds); |
| 278 | } |
| 279 | return creds; |
| 280 | } else { |
| 281 | if (DEBUG) { |
| 282 | System.out.println(">>> LSA contains TGT for " |
| 283 | + creds.getClient() |
| 284 | + " not " |
| 285 | + princ); |
| 286 | } |
| 287 | return null; |
| 288 | } |
| 289 | } else { |
| 290 | if (DEBUG) { |
| 291 | System.out.println(">>> Obtained TGT from LSA: " |
| 292 | + creds); |
| 293 | } |
| 294 | return creds; |
| 295 | } |
| 296 | } |
| 297 | } |
| 298 | |
| 299 | /* |
| 300 | * Returns the appropriate cache. If ticketCache is null, it is the |
| 301 | * default cache otherwise it is the cache filename contained in it. |
| 302 | */ |
| 303 | CredentialsCache ccache = |
| 304 | CredentialsCache.getInstance(princ, ticketCache); |
| 305 | |
| 306 | if (ccache == null) |
| 307 | return null; |
| 308 | |
| 309 | sun.security.krb5.internal.ccache.Credentials tgtCred = |
| 310 | ccache.getDefaultCreds(); |
| 311 | |
| 312 | if (EType.isSupported(tgtCred.getEType())) { |
| 313 | return tgtCred.setKrbCreds(); |
| 314 | } else { |
| 315 | if (DEBUG) { |
| 316 | System.out.println( |
| 317 | ">>> unsupported key type found the default TGT: " + |
| 318 | tgtCred.getEType()); |
| 319 | } |
| 320 | return null; |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Returns a TGT for the given client principal via an AS-Exchange. |
| 326 | * This method causes pre-authentication data to be sent in the |
| 327 | * AS-REQ. |
| 328 | * |
| 329 | * @param princ the client principal. This value cannot be null. |
| 330 | * @param secretKey the secret key of the client principal.This value |
| 331 | * cannot be null. |
| 332 | * @returns the TGT credentials |
| 333 | */ |
| 334 | public static Credentials acquireTGT(PrincipalName princ, |
| 335 | EncryptionKey[] secretKeys, |
| 336 | char[] password) |
| 337 | throws KrbException, IOException { |
| 338 | |
| 339 | if (princ == null) |
| 340 | throw new IllegalArgumentException( |
| 341 | "Cannot have null principal to do AS-Exchange"); |
| 342 | |
| 343 | if (secretKeys == null) |
| 344 | throw new IllegalArgumentException( |
| 345 | "Cannot have null secretKey to do AS-Exchange"); |
| 346 | |
| 347 | KrbAsRep asRep = null; |
| 348 | try { |
| 349 | asRep = sendASRequest(princ, secretKeys, null); |
| 350 | } catch (KrbException ke) { |
| 351 | if ((ke.returnCode() == Krb5.KDC_ERR_PREAUTH_FAILED) || |
| 352 | (ke.returnCode() == Krb5.KDC_ERR_PREAUTH_REQUIRED)) { |
| 353 | // process pre-auth info |
| 354 | if (DEBUG) { |
| 355 | System.out.println("AcquireTGT: PREAUTH FAILED/REQUIRED," + |
| 356 | " re-send AS-REQ"); |
| 357 | } |
| 358 | |
| 359 | KRBError error = ke.getError(); |
| 360 | // update salt in PrincipalName |
| 361 | byte[] newSalt = error.getSalt(); |
| 362 | if (newSalt != null && newSalt.length > 0) { |
| 363 | princ.setSalt(new String(newSalt)); |
| 364 | } |
| 365 | |
| 366 | // refresh keys |
| 367 | if (password != null) { |
| 368 | secretKeys = EncryptionKey.acquireSecretKeys(password, |
| 369 | princ.getSalt(), true, |
| 370 | error.getEType(), error.getParams()); |
| 371 | } |
| 372 | asRep = sendASRequest(princ, secretKeys, ke.getError()); |
| 373 | } else { |
| 374 | throw ke; |
| 375 | } |
| 376 | } |
| 377 | return asRep.getCreds(); |
| 378 | } |
| 379 | |
| 380 | /** |
| 381 | * Sends the AS-REQ |
| 382 | */ |
| 383 | private static KrbAsRep sendASRequest(PrincipalName princ, |
| 384 | EncryptionKey[] secretKeys, KRBError error) |
| 385 | throws KrbException, IOException { |
| 386 | |
| 387 | // %%% |
| 388 | KrbAsReq asReq = null; |
| 389 | if (error == null) { |
| 390 | asReq = new KrbAsReq(princ, secretKeys); |
| 391 | } else { |
| 392 | asReq = new KrbAsReq(princ, secretKeys, true, |
| 393 | error.getEType(), error.getSalt(), error.getParams()); |
| 394 | } |
| 395 | |
| 396 | String kdc = null; |
| 397 | KrbAsRep asRep = null; |
| 398 | try { |
| 399 | kdc = asReq.send(); |
| 400 | asRep = asReq.getReply(secretKeys); |
| 401 | } catch (KrbException ke) { |
| 402 | if (ke.returnCode() == Krb5.KRB_ERR_RESPONSE_TOO_BIG) { |
| 403 | asReq.send(princ.getRealmString(), kdc, true); |
| 404 | asRep = asReq.getReply(secretKeys); |
| 405 | } else { |
| 406 | throw ke; |
| 407 | } |
| 408 | } |
| 409 | return asRep; |
| 410 | } |
| 411 | |
| 412 | /** |
| 413 | * Acquires default credentials. |
| 414 | * <br>The possible locations for default credentials cache is searched in |
| 415 | * the following order: |
| 416 | * <ol> |
| 417 | * <li> The directory and cache file name specified by "KRB5CCNAME" system. |
| 418 | * property. |
| 419 | * <li> The directory and cache file name specified by "KRB5CCNAME" |
| 420 | * environment variable. |
| 421 | * <li> A cache file named krb5cc_{user.name} at {user.home} directory. |
| 422 | * </ol> |
| 423 | * @return a <code>KrbCreds</code> object if the credential is found, |
| 424 | * otherwise return null. |
| 425 | */ |
| 426 | |
| 427 | // this method is intentionally changed to not check if the caller's |
| 428 | // principal name matches cache file's principal name. |
| 429 | // It assumes that the GSS call has |
| 430 | // the privilege to access the default cache file. |
| 431 | |
| 432 | public static synchronized Credentials acquireDefaultCreds() { |
| 433 | Credentials result = null; |
| 434 | |
| 435 | if (cache == null) { |
| 436 | cache = CredentialsCache.getInstance(); |
| 437 | } |
| 438 | if (cache != null) { |
| 439 | if (DEBUG) { |
| 440 | System.out.println(">>> KrbCreds found the default ticket " + |
| 441 | "granting ticket in credential cache."); |
| 442 | } |
| 443 | sun.security.krb5.internal.ccache.Credentials temp = |
| 444 | cache.getDefaultCreds(); |
| 445 | if (EType.isSupported(temp.getEType())) { |
| 446 | result = temp.setKrbCreds(); |
| 447 | } else { |
| 448 | if (DEBUG) { |
| 449 | System.out.println( |
| 450 | ">>> unsupported key type found the default TGT: " + |
| 451 | temp.getEType()); |
| 452 | } |
| 453 | } |
| 454 | } |
| 455 | if (result == null) { |
| 456 | // Doesn't seem to be a default cache on this system or |
| 457 | // TGT has unsupported encryption type |
| 458 | |
| 459 | if (!alreadyTried) { |
| 460 | // See if there's any native code to load |
| 461 | try { |
| 462 | ensureLoaded(); |
| 463 | } catch (Exception e) { |
| 464 | if (DEBUG) { |
| 465 | System.out.println("Can not load credentials cache"); |
| 466 | e.printStackTrace(); |
| 467 | } |
| 468 | alreadyTried = true; |
| 469 | } |
| 470 | } |
| 471 | if (alreadyLoaded) { |
| 472 | // There is some native code |
| 473 | if (DEBUG) |
| 474 | System.out.println(">> Acquire default native Credentials"); |
| 475 | result = acquireDefaultNativeCreds(); |
| 476 | // only TGT with DES key will be returned by native method |
| 477 | } |
| 478 | } |
| 479 | return result; |
| 480 | } |
| 481 | |
| 482 | |
| 483 | /** |
| 484 | * Gets service credential from key table. The credential is used to |
| 485 | * decrypt the received client message |
| 486 | * and authenticate the client by verifying the client's credential. |
| 487 | * |
| 488 | * @param serviceName the name of service, using format component@realm |
| 489 | * @param keyTabFile the file of key table. |
| 490 | * @return a <code>KrbCreds</code> object. |
| 491 | */ |
| 492 | public static Credentials getServiceCreds(String serviceName, |
| 493 | File keyTabFile) { |
| 494 | EncryptionKey k = null; |
| 495 | PrincipalName service = null; |
| 496 | Credentials result = null; |
| 497 | try { |
| 498 | service = new PrincipalName(serviceName); |
| 499 | if (service.getRealm() == null) { |
| 500 | String realm = Config.getInstance().getDefaultRealm(); |
| 501 | if (realm == null) { |
| 502 | return null; |
| 503 | } else { |
| 504 | service.setRealm(realm); |
| 505 | } |
| 506 | } |
| 507 | } catch (RealmException e) { |
| 508 | if (DEBUG) { |
| 509 | e.printStackTrace(); |
| 510 | } |
| 511 | return null; |
| 512 | } catch (KrbException e) { |
| 513 | if (DEBUG) { |
| 514 | e.printStackTrace(); |
| 515 | } |
| 516 | return null; |
| 517 | } |
| 518 | KeyTab kt; |
| 519 | if (keyTabFile == null) { |
| 520 | kt = KeyTab.getInstance(); |
| 521 | } else { |
| 522 | kt = KeyTab.getInstance(keyTabFile); |
| 523 | } |
| 524 | if ((kt != null) && (kt.findServiceEntry(service))) { |
| 525 | k = kt.readServiceKey(service); |
| 526 | result = new Credentials(null, service, null, null, null, |
| 527 | null, null, null, null, null); |
| 528 | result.serviceKey = k; |
| 529 | } |
| 530 | return result; |
| 531 | } |
| 532 | |
| 533 | |
| 534 | |
| 535 | /** |
| 536 | * Acquires credentials for a specified service using initial credential. |
| 537 | * When the service has a different realm |
| 538 | * from the initial credential, we do cross-realm authentication |
| 539 | * - first, we use the current credential to get |
| 540 | * a cross-realm credential from the local KDC, then use that |
| 541 | * cross-realm credential to request service credential |
| 542 | * from the foreigh KDC. |
| 543 | * |
| 544 | * @param service the name of service principal using format |
| 545 | * components@realm |
| 546 | * @param ccreds client's initial credential. |
| 547 | * @exception IOException if an error occurs in reading the credentials |
| 548 | * cache |
| 549 | * @exception KrbException if an error occurs specific to Kerberos |
| 550 | * @return a <code>Credentials</code> object. |
| 551 | */ |
| 552 | |
| 553 | public static Credentials acquireServiceCreds(String service, |
| 554 | Credentials ccreds) |
| 555 | throws KrbException, IOException { |
| 556 | return CredentialsUtil.acquireServiceCreds(service, ccreds); |
| 557 | } |
| 558 | |
| 559 | |
| 560 | /* |
| 561 | * This method does the real job to request the service credential. |
| 562 | */ |
| 563 | |
| 564 | private static Credentials serviceCreds(ServiceName service, |
| 565 | Credentials ccreds) |
| 566 | throws KrbException, IOException { |
| 567 | return new KrbTgsReq( |
| 568 | new KDCOptions(), |
| 569 | ccreds, |
| 570 | service, |
| 571 | null, // KerberosTime from |
| 572 | null, // KerberosTime till |
| 573 | null, // KerberosTime rtime |
| 574 | null, // int[] eTypes |
| 575 | null, // HostAddresses addresses |
| 576 | null, // AuthorizationData |
| 577 | null, // Ticket[] additionalTickets |
| 578 | null // EncryptionKey subSessionKey |
| 579 | ).sendAndGetCreds(); |
| 580 | } |
| 581 | |
| 582 | public CredentialsCache getCache() { |
| 583 | return cache; |
| 584 | } |
| 585 | |
| 586 | public EncryptionKey getServiceKey() { |
| 587 | return serviceKey; |
| 588 | } |
| 589 | |
| 590 | /* |
| 591 | * Prints out debug info. |
| 592 | */ |
| 593 | public static void printDebug(Credentials c) { |
| 594 | System.out.println(">>> DEBUG: ----Credentials----"); |
| 595 | System.out.println("\tclient: " + c.client.toString()); |
| 596 | System.out.println("\tserver: " + c.server.toString()); |
| 597 | System.out.println("\tticket: realm: " + c.ticket.realm.toString()); |
| 598 | System.out.println("\t sname: " + c.ticket.sname.toString()); |
| 599 | if (c.startTime != null) { |
| 600 | System.out.println("\tstartTime: " + c.startTime.getTime()); |
| 601 | } |
| 602 | System.out.println("\tendTime: " + c.endTime.getTime()); |
| 603 | System.out.println(" ----Credentials end----"); |
| 604 | } |
| 605 | |
| 606 | |
| 607 | static void ensureLoaded() { |
| 608 | java.security.AccessController.doPrivileged( |
| 609 | new java.security.PrivilegedAction<Void> () { |
| 610 | public Void run() { |
| 611 | System.loadLibrary("w2k_lsa_auth"); |
| 612 | return null; |
| 613 | } |
| 614 | }); |
| 615 | alreadyLoaded = true; |
| 616 | } |
| 617 | |
| 618 | public String toString() { |
| 619 | StringBuffer buffer = new StringBuffer("Credentials:"); |
| 620 | buffer.append("\nclient=").append(client); |
| 621 | buffer.append("\nserver=").append(server); |
| 622 | if (authTime != null) { |
| 623 | buffer.append("\nauthTime=").append(authTime); |
| 624 | } |
| 625 | if (startTime != null) { |
| 626 | buffer.append("\nstartTime=").append(startTime); |
| 627 | } |
| 628 | buffer.append("\nendTime=").append(endTime); |
| 629 | buffer.append("\nrenewTill=").append(renewTill); |
| 630 | buffer.append("\nflags: ").append(flags); |
| 631 | buffer.append("\nEType (int): ").append(key.getEType()); |
| 632 | return buffer.toString(); |
| 633 | } |
| 634 | |
| 635 | } |