J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Portions 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 | /* |
| 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.internal; |
| 33 | |
| 34 | import java.io.ObjectOutputStream; |
| 35 | import sun.security.krb5.PrincipalName; |
| 36 | import sun.security.krb5.Checksum; |
| 37 | import sun.security.krb5.Asn1Exception; |
| 38 | import sun.security.krb5.Realm; |
| 39 | import sun.security.krb5.RealmException; |
| 40 | import sun.security.util.*; |
| 41 | import java.io.IOException; |
| 42 | import java.io.ObjectInputStream; |
| 43 | import java.math.BigInteger; |
| 44 | import java.util.Arrays; |
| 45 | /** |
| 46 | * Implements the ASN.1 KRBError type. |
| 47 | * |
| 48 | * <xmp> |
| 49 | * KRB-ERROR ::= [APPLICATION 30] SEQUENCE { |
| 50 | * pvno [0] INTEGER (5), |
| 51 | * msg-type [1] INTEGER (30), |
| 52 | * ctime [2] KerberosTime OPTIONAL, |
| 53 | * cusec [3] Microseconds OPTIONAL, |
| 54 | * stime [4] KerberosTime, |
| 55 | * susec [5] Microseconds, |
| 56 | * error-code [6] Int32, |
| 57 | * crealm [7] Realm OPTIONAL, |
| 58 | * cname [8] PrincipalName OPTIONAL, |
| 59 | * realm [9] Realm -- service realm --, |
| 60 | * sname [10] PrincipalName -- service name --, |
| 61 | * e-text [11] KerberosString OPTIONAL, |
| 62 | * e-data [12] OCTET STRING OPTIONAL |
| 63 | * } |
| 64 | * |
| 65 | * METHOD-DATA ::= SEQUENCE OF PA-DATA |
| 66 | * |
| 67 | * TYPED-DATA ::= SEQUENCE SIZE (1..MAX) OF SEQUENCE { |
| 68 | * data-type [0] Int32, |
| 69 | * data-value [1] OCTET STRING OPTIONAL |
| 70 | * } |
| 71 | * </xmp> |
| 72 | * |
| 73 | * <p> |
| 74 | * This definition reflects the Network Working Group RFC 4120 |
| 75 | * specification available at |
| 76 | * <a href="http://www.ietf.org/rfc/rfc4120.txt"> |
| 77 | * http://www.ietf.org/rfc/rfc4120.txt</a>. |
| 78 | */ |
| 79 | |
| 80 | public class KRBError implements java.io.Serializable { |
| 81 | static final long serialVersionUID = 3643809337475284503L; |
| 82 | |
| 83 | private int pvno; |
| 84 | private int msgType; |
| 85 | private KerberosTime cTime; //optional |
| 86 | private Integer cuSec; //optional |
| 87 | private KerberosTime sTime; |
| 88 | private Integer suSec; |
| 89 | private int errorCode; |
| 90 | private Realm crealm; //optional |
| 91 | private PrincipalName cname; //optional |
| 92 | private Realm realm; |
| 93 | private PrincipalName sname; |
| 94 | private String eText; //optional |
| 95 | private byte[] eData; //optional |
| 96 | private Checksum eCksum; //optional |
| 97 | |
| 98 | // pre-auth info |
| 99 | private int etype = 0; |
| 100 | private byte[] salt = null; |
| 101 | private byte[] s2kparams = null; |
| 102 | |
| 103 | private static boolean DEBUG = Krb5.DEBUG; |
| 104 | |
| 105 | private void readObject(ObjectInputStream is) |
| 106 | throws IOException, ClassNotFoundException { |
| 107 | try { |
| 108 | init(new DerValue((byte[])is.readObject())); |
| 109 | parseEData(eData); |
| 110 | } catch (Exception e) { |
| 111 | throw new IOException(e); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | private void writeObject(ObjectOutputStream os) |
| 116 | throws IOException { |
| 117 | try { |
| 118 | os.writeObject(asn1Encode()); |
| 119 | } catch (Exception e) { |
| 120 | throw new IOException(e); |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | public KRBError( |
| 125 | APOptions new_apOptions, |
| 126 | KerberosTime new_cTime, |
| 127 | Integer new_cuSec, |
| 128 | KerberosTime new_sTime, |
| 129 | Integer new_suSec, |
| 130 | int new_errorCode, |
| 131 | Realm new_crealm, |
| 132 | PrincipalName new_cname, |
| 133 | Realm new_realm, |
| 134 | PrincipalName new_sname, |
| 135 | String new_eText, |
| 136 | byte[] new_eData |
| 137 | ) throws IOException, Asn1Exception { |
| 138 | pvno = Krb5.PVNO; |
| 139 | msgType = Krb5.KRB_ERROR; |
| 140 | cTime = new_cTime; |
| 141 | cuSec = new_cuSec; |
| 142 | sTime = new_sTime; |
| 143 | suSec = new_suSec; |
| 144 | errorCode = new_errorCode; |
| 145 | crealm = new_crealm; |
| 146 | cname = new_cname; |
| 147 | realm = new_realm; |
| 148 | sname = new_sname; |
| 149 | eText = new_eText; |
| 150 | eData = new_eData; |
| 151 | |
| 152 | parseEData(eData); |
| 153 | } |
| 154 | |
| 155 | public KRBError( |
| 156 | APOptions new_apOptions, |
| 157 | KerberosTime new_cTime, |
| 158 | Integer new_cuSec, |
| 159 | KerberosTime new_sTime, |
| 160 | Integer new_suSec, |
| 161 | int new_errorCode, |
| 162 | Realm new_crealm, |
| 163 | PrincipalName new_cname, |
| 164 | Realm new_realm, |
| 165 | PrincipalName new_sname, |
| 166 | String new_eText, |
| 167 | byte[] new_eData, |
| 168 | Checksum new_eCksum |
| 169 | ) throws IOException, Asn1Exception { |
| 170 | pvno = Krb5.PVNO; |
| 171 | msgType = Krb5.KRB_ERROR; |
| 172 | cTime = new_cTime; |
| 173 | cuSec = new_cuSec; |
| 174 | sTime = new_sTime; |
| 175 | suSec = new_suSec; |
| 176 | errorCode = new_errorCode; |
| 177 | crealm = new_crealm; |
| 178 | cname = new_cname; |
| 179 | realm = new_realm; |
| 180 | sname = new_sname; |
| 181 | eText = new_eText; |
| 182 | eData = new_eData; |
| 183 | eCksum = new_eCksum; |
| 184 | |
| 185 | parseEData(eData); |
| 186 | } |
| 187 | |
| 188 | public KRBError(byte[] data) throws Asn1Exception, |
| 189 | RealmException, KrbApErrException, IOException { |
| 190 | init(new DerValue(data)); |
| 191 | parseEData(eData); |
| 192 | } |
| 193 | |
| 194 | public KRBError(DerValue encoding) throws Asn1Exception, |
| 195 | RealmException, KrbApErrException, IOException { |
| 196 | init(encoding); |
| 197 | showDebug(); |
| 198 | parseEData(eData); |
| 199 | } |
| 200 | |
| 201 | /* |
| 202 | * Attention: |
| 203 | * |
| 204 | * According to RFC 4120, e-data field in a KRB-ERROR message is |
| 205 | * a METHOD-DATA when errorCode is KDC_ERR_PREAUTH_REQUIRED, |
| 206 | * and application-specific otherwise (The RFC suggests using |
| 207 | * TYPED-DATA). |
| 208 | * |
| 209 | * Hence, the ideal procedure to parse e-data should look like: |
| 210 | * |
| 211 | * if (errorCode is KDC_ERR_PREAUTH_REQUIRED) { |
| 212 | * parse as METHOD-DATA |
| 213 | * } else { |
| 214 | * try parsing as TYPED-DATA |
| 215 | * } |
| 216 | * |
| 217 | * Unfortunately, we know that some implementations also use the |
| 218 | * METHOD-DATA format for errorcode KDC_ERR_PREAUTH_FAILED, and |
| 219 | * do not use the TYPED-DATA for other errorcodes (say, |
| 220 | * KDC_ERR_CLIENT_REVOKED). |
| 221 | */ |
| 222 | |
| 223 | // parse the edata field |
| 224 | private void parseEData(byte[] data) throws IOException { |
| 225 | if (data == null) { |
| 226 | return; |
| 227 | } |
| 228 | |
| 229 | // We need to parse eData as METHOD-DATA for both errorcodes. |
| 230 | if (errorCode == Krb5.KDC_ERR_PREAUTH_REQUIRED |
| 231 | || errorCode == Krb5.KDC_ERR_PREAUTH_FAILED) { |
| 232 | try { |
| 233 | // RFC 4120 does not guarantee that eData is METHOD-DATA when |
| 234 | // errorCode is KDC_ERR_PREAUTH_FAILED. Therefore, the parse |
| 235 | // may fail. |
| 236 | parsePAData(data); |
| 237 | } catch (Exception e) { |
| 238 | if (DEBUG) { |
| 239 | System.out.println("Unable to parse eData field of KRB-ERROR:\n" + |
| 240 | new sun.misc.HexDumpEncoder().encodeBuffer(data)); |
| 241 | } |
| 242 | IOException ioe = new IOException( |
| 243 | "Unable to parse eData field of KRB-ERROR"); |
| 244 | ioe.initCause(e); |
| 245 | throw ioe; |
| 246 | } |
| 247 | } else { |
| 248 | if (DEBUG) { |
| 249 | System.out.println("Unknown eData field of KRB-ERROR:\n" + |
| 250 | new sun.misc.HexDumpEncoder().encodeBuffer(data)); |
| 251 | } |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | /** |
| 256 | * Try parsing the data as a sequence of PA-DATA. |
| 257 | * @param data the data block |
| 258 | */ |
| 259 | private void parsePAData(byte[] data) |
| 260 | throws IOException, Asn1Exception { |
| 261 | DerValue derPA = new DerValue(data); |
| 262 | while (derPA.data.available() > 0) { |
| 263 | // read the PA-DATA |
| 264 | DerValue tmp = derPA.data.getDerValue(); |
| 265 | PAData pa_data = new PAData(tmp); |
| 266 | int pa_type = pa_data.getType(); |
| 267 | byte[] pa_value = pa_data.getValue(); |
| 268 | if (DEBUG) { |
| 269 | System.out.println(">>>Pre-Authentication Data:"); |
| 270 | System.out.println("\t PA-DATA type = " + pa_type); |
| 271 | } |
| 272 | |
| 273 | switch(pa_type) { |
| 274 | case Krb5.PA_ENC_TIMESTAMP: |
| 275 | if (DEBUG) { |
| 276 | System.out.println("\t PA-ENC-TIMESTAMP"); |
| 277 | } |
| 278 | break; |
| 279 | case Krb5.PA_ETYPE_INFO: |
| 280 | if (pa_value != null) { |
| 281 | DerValue der = new DerValue(pa_value); |
| 282 | DerValue value = der.data.getDerValue(); |
| 283 | ETypeInfo info = new ETypeInfo(value); |
| 284 | etype = info.getEType(); |
| 285 | salt = info.getSalt(); |
| 286 | if (DEBUG) { |
| 287 | System.out.println("\t PA-ETYPE-INFO etype = " + etype); |
| 288 | } |
| 289 | } |
| 290 | break; |
| 291 | case Krb5.PA_ETYPE_INFO2: |
| 292 | if (pa_value != null) { |
| 293 | DerValue der = new DerValue(pa_value); |
| 294 | DerValue value = der.data.getDerValue(); |
| 295 | ETypeInfo2 info2 = new ETypeInfo2(value); |
| 296 | etype = info2.getEType(); |
| 297 | salt = info2.getSalt(); |
| 298 | s2kparams = info2.getParams(); |
| 299 | if (DEBUG) { |
| 300 | System.out.println("\t PA-ETYPE-INFO2 etype = " + etype); |
| 301 | } |
| 302 | } |
| 303 | break; |
| 304 | default: |
| 305 | // Unknown Pre-auth type |
| 306 | break; |
| 307 | } |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | public final KerberosTime getServerTime() { |
| 312 | return sTime; |
| 313 | } |
| 314 | |
| 315 | public final KerberosTime getClientTime() { |
| 316 | return cTime; |
| 317 | } |
| 318 | |
| 319 | public final Integer getServerMicroSeconds() { |
| 320 | return suSec; |
| 321 | } |
| 322 | |
| 323 | public final Integer getClientMicroSeconds() { |
| 324 | return cuSec; |
| 325 | } |
| 326 | |
| 327 | public final int getErrorCode() { |
| 328 | return errorCode; |
| 329 | } |
| 330 | |
| 331 | // access pre-auth info |
| 332 | public final int getEType() { |
| 333 | return etype; |
| 334 | } |
| 335 | |
| 336 | // access pre-auth info |
| 337 | public final byte[] getSalt() { |
| 338 | return ((salt == null) ? null : salt.clone()); |
| 339 | } |
| 340 | |
| 341 | // access pre-auth info |
| 342 | public final byte[] getParams() { |
| 343 | return ((s2kparams == null) ? null : s2kparams.clone()); |
| 344 | } |
| 345 | |
| 346 | public final String getErrorString() { |
| 347 | return eText; |
| 348 | } |
| 349 | |
| 350 | /** |
| 351 | * Initializes a KRBError object. |
| 352 | * @param encoding a DER-encoded data. |
| 353 | * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. |
| 354 | * @exception IOException if an I/O error occurs while reading encoded data. |
| 355 | * @exception KrbApErrException if the value read from the DER-encoded data |
| 356 | * stream does not match the pre-defined value. |
| 357 | * @exception RealmException if an error occurs while parsing a Realm object. |
| 358 | */ |
| 359 | private void init(DerValue encoding) throws Asn1Exception, |
| 360 | RealmException, KrbApErrException, IOException { |
| 361 | DerValue der, subDer; |
| 362 | if (((encoding.getTag() & (byte)0x1F) != (byte)0x1E) |
| 363 | || (encoding.isApplication() != true) |
| 364 | || (encoding.isConstructed() != true)) { |
| 365 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
| 366 | } |
| 367 | der = encoding.getData().getDerValue(); |
| 368 | if (der.getTag() != DerValue.tag_Sequence) { |
| 369 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
| 370 | } |
| 371 | subDer = der.getData().getDerValue(); |
| 372 | if ((subDer.getTag() & (byte)0x1F) == (byte)0x00) { |
| 373 | |
| 374 | pvno = subDer.getData().getBigInteger().intValue(); |
| 375 | if (pvno != Krb5.PVNO) |
| 376 | throw new KrbApErrException(Krb5.KRB_AP_ERR_BADVERSION); |
| 377 | } else { |
| 378 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
| 379 | } |
| 380 | |
| 381 | subDer = der.getData().getDerValue(); |
| 382 | if ((subDer.getTag() & (byte)0x1F) == (byte)0x01) { |
| 383 | msgType = subDer.getData().getBigInteger().intValue(); |
| 384 | if (msgType != Krb5.KRB_ERROR) { |
| 385 | throw new KrbApErrException(Krb5.KRB_AP_ERR_MSG_TYPE); |
| 386 | } |
| 387 | } else { |
| 388 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
| 389 | } |
| 390 | |
| 391 | cTime = KerberosTime.parse(der.getData(), (byte)0x02, true); |
| 392 | if ((der.getData().peekByte() & 0x1F) == 0x03) { |
| 393 | subDer = der.getData().getDerValue(); |
| 394 | cuSec = new Integer(subDer.getData().getBigInteger().intValue()); |
| 395 | } |
| 396 | else cuSec = null; |
| 397 | sTime = KerberosTime.parse(der.getData(), (byte)0x04, false); |
| 398 | subDer = der.getData().getDerValue(); |
| 399 | if ((subDer.getTag() & (byte)0x1F) == (byte)0x05) { |
| 400 | suSec = new Integer (subDer.getData().getBigInteger().intValue()); |
| 401 | } |
| 402 | else throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
| 403 | subDer = der.getData().getDerValue(); |
| 404 | if ((subDer.getTag() & (byte)0x1F) == (byte)0x06) { |
| 405 | errorCode = subDer.getData().getBigInteger().intValue(); |
| 406 | } |
| 407 | else throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
| 408 | crealm = Realm.parse(der.getData(), (byte)0x07, true); |
| 409 | cname = PrincipalName.parse(der.getData(), (byte)0x08, true); |
| 410 | realm = Realm.parse(der.getData(), (byte)0x09, false); |
| 411 | sname = PrincipalName.parse(der.getData(), (byte)0x0A, false); |
| 412 | eText = null; |
| 413 | eData = null; |
| 414 | eCksum = null; |
| 415 | if (der.getData().available() >0) { |
| 416 | if ((der.getData().peekByte() & 0x1F) == 0x0B) { |
| 417 | subDer = der.getData().getDerValue(); |
| 418 | eText = subDer.getData().getGeneralString(); |
| 419 | } |
| 420 | } |
| 421 | if (der.getData().available() >0) { |
| 422 | if ((der.getData().peekByte() & 0x1F) == 0x0C) { |
| 423 | subDer = der.getData().getDerValue(); |
| 424 | eData = subDer.getData().getOctetString(); |
| 425 | } |
| 426 | } |
| 427 | if (der.getData().available() >0) { |
| 428 | eCksum = Checksum.parse(der.getData(), (byte)0x0D, true); |
| 429 | } |
| 430 | if (der.getData().available() >0) |
| 431 | throw new Asn1Exception(Krb5.ASN1_BAD_ID); |
| 432 | } |
| 433 | |
| 434 | /** |
| 435 | * For debug use only |
| 436 | */ |
| 437 | private void showDebug() { |
| 438 | if (DEBUG) { |
| 439 | System.out.println(">>>KRBError:"); |
| 440 | if (cTime != null) |
| 441 | System.out.println("\t cTime is " + cTime.toDate().toString() + " " + cTime.toDate().getTime()); |
| 442 | if (cuSec != null) { |
| 443 | System.out.println("\t cuSec is " + cuSec.intValue()); |
| 444 | } |
| 445 | |
| 446 | System.out.println("\t sTime is " + sTime.toDate().toString |
| 447 | () + " " + sTime.toDate().getTime()); |
| 448 | System.out.println("\t suSec is " + suSec); |
| 449 | System.out.println("\t error code is " + errorCode); |
| 450 | System.out.println("\t error Message is " + Krb5.getErrorMessage(errorCode)); |
| 451 | if (crealm != null) { |
| 452 | System.out.println("\t crealm is " + crealm.toString()); |
| 453 | } |
| 454 | if (cname != null) { |
| 455 | System.out.println("\t cname is " + cname.toString()); |
| 456 | } |
| 457 | if (realm != null) { |
| 458 | System.out.println("\t realm is " + realm.toString()); |
| 459 | } |
| 460 | if (sname != null) { |
| 461 | System.out.println("\t sname is " + sname.toString()); |
| 462 | } |
| 463 | if (eData != null) { |
| 464 | System.out.println("\t eData provided."); |
| 465 | } |
| 466 | if (eCksum != null) { |
| 467 | System.out.println("\t checksum provided."); |
| 468 | } |
| 469 | System.out.println("\t msgType is " + msgType); |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | /** |
| 474 | * Encodes an KRBError object. |
| 475 | * @return the byte array of encoded KRBError object. |
| 476 | * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. |
| 477 | * @exception IOException if an I/O error occurs while reading encoded data. |
| 478 | */ |
| 479 | public byte[] asn1Encode() throws Asn1Exception, IOException { |
| 480 | DerOutputStream temp = new DerOutputStream(); |
| 481 | DerOutputStream bytes = new DerOutputStream(); |
| 482 | |
| 483 | temp.putInteger(BigInteger.valueOf(pvno)); |
| 484 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), temp); |
| 485 | temp = new DerOutputStream(); |
| 486 | temp.putInteger(BigInteger.valueOf(msgType)); |
| 487 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), temp); |
| 488 | |
| 489 | if (cTime != null) { |
| 490 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), cTime.asn1Encode()); |
| 491 | } |
| 492 | if (cuSec != null) { |
| 493 | temp = new DerOutputStream(); |
| 494 | temp.putInteger(BigInteger.valueOf(cuSec.intValue())); |
| 495 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), temp); |
| 496 | } |
| 497 | |
| 498 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x04), sTime.asn1Encode()); |
| 499 | temp = new DerOutputStream(); |
| 500 | temp.putInteger(BigInteger.valueOf(suSec.intValue())); |
| 501 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x05), temp); |
| 502 | temp = new DerOutputStream(); |
| 503 | temp.putInteger(BigInteger.valueOf(errorCode)); |
| 504 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x06), temp); |
| 505 | |
| 506 | if (crealm != null) { |
| 507 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x07), crealm.asn1Encode()); |
| 508 | } |
| 509 | if (cname != null) { |
| 510 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x08), cname.asn1Encode()); |
| 511 | } |
| 512 | |
| 513 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x09), realm.asn1Encode()); |
| 514 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0A), sname.asn1Encode()); |
| 515 | |
| 516 | if (eText != null) { |
| 517 | temp = new DerOutputStream(); |
| 518 | temp.putGeneralString(eText); |
| 519 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0B), temp); |
| 520 | } |
| 521 | if (eData != null) { |
| 522 | temp = new DerOutputStream(); |
| 523 | temp.putOctetString(eData); |
| 524 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0C), temp); |
| 525 | } |
| 526 | if (eCksum != null) { |
| 527 | bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x0D), eCksum.asn1Encode()); |
| 528 | } |
| 529 | |
| 530 | temp = new DerOutputStream(); |
| 531 | temp.write(DerValue.tag_Sequence, bytes); |
| 532 | bytes = new DerOutputStream(); |
| 533 | bytes.write(DerValue.createTag(DerValue.TAG_APPLICATION, true, (byte)0x1E), temp); |
| 534 | return bytes.toByteArray(); |
| 535 | } |
| 536 | |
| 537 | @Override public boolean equals(Object obj) { |
| 538 | if (this == obj) { |
| 539 | return true; |
| 540 | } |
| 541 | |
| 542 | if (!(obj instanceof KRBError)) { |
| 543 | return false; |
| 544 | } |
| 545 | |
| 546 | KRBError other = (KRBError)obj; |
| 547 | return pvno == other.pvno && |
| 548 | msgType == other.msgType && |
| 549 | isEqual(cTime, other.cTime) && |
| 550 | isEqual(cuSec, other.cuSec) && |
| 551 | isEqual(sTime, other.sTime) && |
| 552 | isEqual(suSec, other.suSec) && |
| 553 | errorCode == other.errorCode && |
| 554 | isEqual(crealm, other.crealm) && |
| 555 | isEqual(cname, other.cname) && |
| 556 | isEqual(realm, other.realm) && |
| 557 | isEqual(sname, other.sname) && |
| 558 | isEqual(eText, other.eText) && |
| 559 | java.util.Arrays.equals(eData, other.eData) && |
| 560 | isEqual(eCksum, other.eCksum); |
| 561 | } |
| 562 | |
| 563 | private static boolean isEqual(Object a, Object b) { |
| 564 | return (a == null)?(b == null):(a.equals(b)); |
| 565 | } |
| 566 | |
| 567 | @Override public int hashCode() { |
| 568 | int result = 17; |
| 569 | result = 37 * result + pvno; |
| 570 | result = 37 * result + msgType; |
| 571 | if (cTime != null) result = 37 * result + cTime.hashCode(); |
| 572 | if (cuSec != null) result = 37 * result + cuSec.hashCode(); |
| 573 | if (sTime != null) result = 37 * result + sTime.hashCode(); |
| 574 | if (suSec != null) result = 37 * result + suSec.hashCode(); |
| 575 | result = 37 * result + errorCode; |
| 576 | if (crealm != null) result = 37 * result + crealm.hashCode(); |
| 577 | if (cname != null) result = 37 * result + cname.hashCode(); |
| 578 | if (realm != null) result = 37 * result + realm.hashCode(); |
| 579 | if (sname != null) result = 37 * result + sname.hashCode(); |
| 580 | if (eText != null) result = 37 * result + eText.hashCode(); |
| 581 | result = 37 * result + Arrays.hashCode(eData); |
| 582 | if (eCksum != null) result = 37 * result + eCksum.hashCode(); |
| 583 | return result; |
| 584 | } |
| 585 | } |