J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2006 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.x509; |
| 27 | |
| 28 | import java.io.IOException; |
| 29 | import java.io.OutputStream; |
| 30 | |
| 31 | import java.security.cert.*; |
| 32 | import java.util.*; |
| 33 | |
| 34 | import sun.security.util.*; |
| 35 | import sun.misc.HexDumpEncoder; |
| 36 | |
| 37 | |
| 38 | /** |
| 39 | * The X509CertInfo class represents X.509 certificate information. |
| 40 | * |
| 41 | * <P>X.509 certificates have several base data elements, including:<UL> |
| 42 | * |
| 43 | * <LI>The <em>Subject Name</em>, an X.500 Distinguished Name for |
| 44 | * the entity (subject) for which the certificate was issued. |
| 45 | * |
| 46 | * <LI>The <em>Subject Public Key</em>, the public key of the subject. |
| 47 | * This is one of the most important parts of the certificate. |
| 48 | * |
| 49 | * <LI>The <em>Validity Period</em>, a time period (e.g. six months) |
| 50 | * within which the certificate is valid (unless revoked). |
| 51 | * |
| 52 | * <LI>The <em>Issuer Name</em>, an X.500 Distinguished Name for the |
| 53 | * Certificate Authority (CA) which issued the certificate. |
| 54 | * |
| 55 | * <LI>A <em>Serial Number</em> assigned by the CA, for use in |
| 56 | * certificate revocation and other applications. |
| 57 | * |
| 58 | * @author Amit Kapoor |
| 59 | * @author Hemma Prafullchandra |
| 60 | * @see CertAttrSet |
| 61 | * @see X509CertImpl |
| 62 | */ |
| 63 | public class X509CertInfo implements CertAttrSet<String> { |
| 64 | /** |
| 65 | * Identifier for this attribute, to be used with the |
| 66 | * get, set, delete methods of Certificate, x509 type. |
| 67 | */ |
| 68 | public static final String IDENT = "x509.info"; |
| 69 | // Certificate attribute names |
| 70 | public static final String NAME = "info"; |
| 71 | public static final String VERSION = CertificateVersion.NAME; |
| 72 | public static final String SERIAL_NUMBER = CertificateSerialNumber.NAME; |
| 73 | public static final String ALGORITHM_ID = CertificateAlgorithmId.NAME; |
| 74 | public static final String ISSUER = CertificateIssuerName.NAME; |
| 75 | public static final String VALIDITY = CertificateValidity.NAME; |
| 76 | public static final String SUBJECT = CertificateSubjectName.NAME; |
| 77 | public static final String KEY = CertificateX509Key.NAME; |
| 78 | public static final String ISSUER_ID = CertificateIssuerUniqueIdentity.NAME; |
| 79 | public static final String SUBJECT_ID = CertificateSubjectUniqueIdentity.NAME; |
| 80 | public static final String EXTENSIONS = CertificateExtensions.NAME; |
| 81 | |
| 82 | // X509.v1 data |
| 83 | protected CertificateVersion version = new CertificateVersion(); |
| 84 | protected CertificateSerialNumber serialNum = null; |
| 85 | protected CertificateAlgorithmId algId = null; |
| 86 | protected CertificateIssuerName issuer = null; |
| 87 | protected CertificateValidity interval = null; |
| 88 | protected CertificateSubjectName subject = null; |
| 89 | protected CertificateX509Key pubKey = null; |
| 90 | |
| 91 | // X509.v2 & v3 extensions |
| 92 | protected CertificateIssuerUniqueIdentity issuerUniqueId = null; |
| 93 | protected CertificateSubjectUniqueIdentity subjectUniqueId = null; |
| 94 | |
| 95 | // X509.v3 extensions |
| 96 | protected CertificateExtensions extensions = null; |
| 97 | |
| 98 | // Attribute numbers for internal manipulation |
| 99 | private static final int ATTR_VERSION = 1; |
| 100 | private static final int ATTR_SERIAL = 2; |
| 101 | private static final int ATTR_ALGORITHM = 3; |
| 102 | private static final int ATTR_ISSUER = 4; |
| 103 | private static final int ATTR_VALIDITY = 5; |
| 104 | private static final int ATTR_SUBJECT = 6; |
| 105 | private static final int ATTR_KEY = 7; |
| 106 | private static final int ATTR_ISSUER_ID = 8; |
| 107 | private static final int ATTR_SUBJECT_ID = 9; |
| 108 | private static final int ATTR_EXTENSIONS = 10; |
| 109 | |
| 110 | // DER encoded CertificateInfo data |
| 111 | private byte[] rawCertInfo = null; |
| 112 | |
| 113 | // The certificate attribute name to integer mapping stored here |
| 114 | private static final Map<String,Integer> map = new HashMap<String,Integer>(); |
| 115 | static { |
| 116 | map.put(VERSION, Integer.valueOf(ATTR_VERSION)); |
| 117 | map.put(SERIAL_NUMBER, Integer.valueOf(ATTR_SERIAL)); |
| 118 | map.put(ALGORITHM_ID, Integer.valueOf(ATTR_ALGORITHM)); |
| 119 | map.put(ISSUER, Integer.valueOf(ATTR_ISSUER)); |
| 120 | map.put(VALIDITY, Integer.valueOf(ATTR_VALIDITY)); |
| 121 | map.put(SUBJECT, Integer.valueOf(ATTR_SUBJECT)); |
| 122 | map.put(KEY, Integer.valueOf(ATTR_KEY)); |
| 123 | map.put(ISSUER_ID, Integer.valueOf(ATTR_ISSUER_ID)); |
| 124 | map.put(SUBJECT_ID, Integer.valueOf(ATTR_SUBJECT_ID)); |
| 125 | map.put(EXTENSIONS, Integer.valueOf(ATTR_EXTENSIONS)); |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Construct an uninitialized X509CertInfo on which <a href="#decode"> |
| 130 | * decode</a> must later be called (or which may be deserialized). |
| 131 | */ |
| 132 | public X509CertInfo() { } |
| 133 | |
| 134 | /** |
| 135 | * Unmarshals a certificate from its encoded form, parsing the |
| 136 | * encoded bytes. This form of constructor is used by agents which |
| 137 | * need to examine and use certificate contents. That is, this is |
| 138 | * one of the more commonly used constructors. Note that the buffer |
| 139 | * must include only a certificate, and no "garbage" may be left at |
| 140 | * the end. If you need to ignore data at the end of a certificate, |
| 141 | * use another constructor. |
| 142 | * |
| 143 | * @param cert the encoded bytes, with no trailing data. |
| 144 | * @exception CertificateParsingException on parsing errors. |
| 145 | */ |
| 146 | public X509CertInfo(byte[] cert) throws CertificateParsingException { |
| 147 | try { |
| 148 | DerValue in = new DerValue(cert); |
| 149 | |
| 150 | parse(in); |
| 151 | } catch (IOException e) { |
| 152 | CertificateParsingException parseException = |
| 153 | new CertificateParsingException(e.toString()); |
| 154 | parseException.initCause(e); |
| 155 | throw parseException; |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * Unmarshal a certificate from its encoded form, parsing a DER value. |
| 161 | * This form of constructor is used by agents which need to examine |
| 162 | * and use certificate contents. |
| 163 | * |
| 164 | * @param derVal the der value containing the encoded cert. |
| 165 | * @exception CertificateParsingException on parsing errors. |
| 166 | */ |
| 167 | public X509CertInfo(DerValue derVal) throws CertificateParsingException { |
| 168 | try { |
| 169 | parse(derVal); |
| 170 | } catch (IOException e) { |
| 171 | CertificateParsingException parseException = |
| 172 | new CertificateParsingException(e.toString()); |
| 173 | parseException.initCause(e); |
| 174 | throw parseException; |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | /** |
| 179 | * Appends the certificate to an output stream. |
| 180 | * |
| 181 | * @param out an output stream to which the certificate is appended. |
| 182 | * @exception CertificateException on encoding errors. |
| 183 | * @exception IOException on other errors. |
| 184 | */ |
| 185 | public void encode(OutputStream out) |
| 186 | throws CertificateException, IOException { |
| 187 | if (rawCertInfo == null) { |
| 188 | DerOutputStream tmp = new DerOutputStream(); |
| 189 | emit(tmp); |
| 190 | rawCertInfo = tmp.toByteArray(); |
| 191 | } |
| 192 | out.write(rawCertInfo.clone()); |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Return an enumeration of names of attributes existing within this |
| 197 | * attribute. |
| 198 | */ |
| 199 | public Enumeration<String> getElements() { |
| 200 | AttributeNameEnumeration elements = new AttributeNameEnumeration(); |
| 201 | elements.addElement(VERSION); |
| 202 | elements.addElement(SERIAL_NUMBER); |
| 203 | elements.addElement(ALGORITHM_ID); |
| 204 | elements.addElement(ISSUER); |
| 205 | elements.addElement(VALIDITY); |
| 206 | elements.addElement(SUBJECT); |
| 207 | elements.addElement(KEY); |
| 208 | elements.addElement(ISSUER_ID); |
| 209 | elements.addElement(SUBJECT_ID); |
| 210 | elements.addElement(EXTENSIONS); |
| 211 | |
| 212 | return elements.elements(); |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * Return the name of this attribute. |
| 217 | */ |
| 218 | public String getName() { |
| 219 | return(NAME); |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * Returns the encoded certificate info. |
| 224 | * |
| 225 | * @exception CertificateEncodingException on encoding information errors. |
| 226 | */ |
| 227 | public byte[] getEncodedInfo() throws CertificateEncodingException { |
| 228 | try { |
| 229 | if (rawCertInfo == null) { |
| 230 | DerOutputStream tmp = new DerOutputStream(); |
| 231 | emit(tmp); |
| 232 | rawCertInfo = tmp.toByteArray(); |
| 233 | } |
| 234 | return rawCertInfo.clone(); |
| 235 | } catch (IOException e) { |
| 236 | throw new CertificateEncodingException(e.toString()); |
| 237 | } catch (CertificateException e) { |
| 238 | throw new CertificateEncodingException(e.toString()); |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | /** |
| 243 | * Compares two X509CertInfo objects. This is false if the |
| 244 | * certificates are not both X.509 certs, otherwise it |
| 245 | * compares them as binary data. |
| 246 | * |
| 247 | * @param other the object being compared with this one |
| 248 | * @return true iff the certificates are equivalent |
| 249 | */ |
| 250 | public boolean equals(Object other) { |
| 251 | if (other instanceof X509CertInfo) { |
| 252 | return equals((X509CertInfo) other); |
| 253 | } else { |
| 254 | return false; |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * Compares two certificates, returning false if any data |
| 260 | * differs between the two. |
| 261 | * |
| 262 | * @param other the object being compared with this one |
| 263 | * @return true iff the certificates are equivalent |
| 264 | */ |
| 265 | public boolean equals(X509CertInfo other) { |
| 266 | if (this == other) { |
| 267 | return(true); |
| 268 | } else if (rawCertInfo == null || other.rawCertInfo == null) { |
| 269 | return(false); |
| 270 | } else if (rawCertInfo.length != other.rawCertInfo.length) { |
| 271 | return(false); |
| 272 | } |
| 273 | for (int i = 0; i < rawCertInfo.length; i++) { |
| 274 | if (rawCertInfo[i] != other.rawCertInfo[i]) { |
| 275 | return(false); |
| 276 | } |
| 277 | } |
| 278 | return(true); |
| 279 | } |
| 280 | |
| 281 | /** |
| 282 | * Calculates a hash code value for the object. Objects |
| 283 | * which are equal will also have the same hashcode. |
| 284 | */ |
| 285 | public int hashCode() { |
| 286 | int retval = 0; |
| 287 | |
| 288 | for (int i = 1; i < rawCertInfo.length; i++) { |
| 289 | retval += rawCertInfo[i] * i; |
| 290 | } |
| 291 | return(retval); |
| 292 | } |
| 293 | |
| 294 | /** |
| 295 | * Returns a printable representation of the certificate. |
| 296 | */ |
| 297 | public String toString() { |
| 298 | |
| 299 | if (subject == null || pubKey == null || interval == null |
| 300 | || issuer == null || algId == null || serialNum == null) { |
| 301 | throw new NullPointerException("X.509 cert is incomplete"); |
| 302 | } |
| 303 | StringBuilder sb = new StringBuilder(); |
| 304 | |
| 305 | sb.append("[\n"); |
| 306 | sb.append(" " + version.toString() + "\n"); |
| 307 | sb.append(" Subject: " + subject.toString() + "\n"); |
| 308 | sb.append(" Signature Algorithm: " + algId.toString() + "\n"); |
| 309 | sb.append(" Key: " + pubKey.toString() + "\n"); |
| 310 | sb.append(" " + interval.toString() + "\n"); |
| 311 | sb.append(" Issuer: " + issuer.toString() + "\n"); |
| 312 | sb.append(" " + serialNum.toString() + "\n"); |
| 313 | |
| 314 | // optional v2, v3 extras |
| 315 | if (issuerUniqueId != null) { |
| 316 | sb.append(" Issuer Id:\n" + issuerUniqueId.toString() + "\n"); |
| 317 | } |
| 318 | if (subjectUniqueId != null) { |
| 319 | sb.append(" Subject Id:\n" + subjectUniqueId.toString() + "\n"); |
| 320 | } |
| 321 | if (extensions != null) { |
| 322 | Collection allExts = extensions.getAllExtensions(); |
| 323 | Object[] objs = allExts.toArray(); |
| 324 | sb.append("\nCertificate Extensions: " + objs.length); |
| 325 | for (int i = 0; i < objs.length; i++) { |
| 326 | sb.append("\n[" + (i+1) + "]: "); |
| 327 | Extension ext = (Extension)objs[i]; |
| 328 | try { |
| 329 | if (OIDMap.getClass(ext.getExtensionId()) == null) { |
| 330 | sb.append(ext.toString()); |
| 331 | byte[] extValue = ext.getExtensionValue(); |
| 332 | if (extValue != null) { |
| 333 | DerOutputStream out = new DerOutputStream(); |
| 334 | out.putOctetString(extValue); |
| 335 | extValue = out.toByteArray(); |
| 336 | HexDumpEncoder enc = new HexDumpEncoder(); |
| 337 | sb.append("Extension unknown: " |
| 338 | + "DER encoded OCTET string =\n" |
| 339 | + enc.encodeBuffer(extValue) + "\n"); |
| 340 | } |
| 341 | } else |
| 342 | sb.append(ext.toString()); //sub-class exists |
| 343 | } catch (Exception e) { |
| 344 | sb.append(", Error parsing this extension"); |
| 345 | } |
| 346 | } |
| 347 | Map<String,Extension> invalid = extensions.getUnparseableExtensions(); |
| 348 | if (invalid.isEmpty() == false) { |
| 349 | sb.append("\nUnparseable certificate extensions: " + invalid.size()); |
| 350 | int i = 1; |
| 351 | for (Extension ext : invalid.values()) { |
| 352 | sb.append("\n[" + (i++) + "]: "); |
| 353 | sb.append(ext); |
| 354 | } |
| 355 | } |
| 356 | } |
| 357 | sb.append("\n]"); |
| 358 | return sb.toString(); |
| 359 | } |
| 360 | |
| 361 | /** |
| 362 | * Set the certificate attribute. |
| 363 | * |
| 364 | * @params name the name of the Certificate attribute. |
| 365 | * @params val the value of the Certificate attribute. |
| 366 | * @exception CertificateException on invalid attributes. |
| 367 | * @exception IOException on other errors. |
| 368 | */ |
| 369 | public void set(String name, Object val) |
| 370 | throws CertificateException, IOException { |
| 371 | X509AttributeName attrName = new X509AttributeName(name); |
| 372 | |
| 373 | int attr = attributeMap(attrName.getPrefix()); |
| 374 | if (attr == 0) { |
| 375 | throw new CertificateException("Attribute name not recognized: " |
| 376 | + name); |
| 377 | } |
| 378 | // set rawCertInfo to null, so that we are forced to re-encode |
| 379 | rawCertInfo = null; |
| 380 | String suffix = attrName.getSuffix(); |
| 381 | |
| 382 | switch (attr) { |
| 383 | case ATTR_VERSION: |
| 384 | if (suffix == null) { |
| 385 | setVersion(val); |
| 386 | } else { |
| 387 | version.set(suffix, val); |
| 388 | } |
| 389 | break; |
| 390 | |
| 391 | case ATTR_SERIAL: |
| 392 | if (suffix == null) { |
| 393 | setSerialNumber(val); |
| 394 | } else { |
| 395 | serialNum.set(suffix, val); |
| 396 | } |
| 397 | break; |
| 398 | |
| 399 | case ATTR_ALGORITHM: |
| 400 | if (suffix == null) { |
| 401 | setAlgorithmId(val); |
| 402 | } else { |
| 403 | algId.set(suffix, val); |
| 404 | } |
| 405 | break; |
| 406 | |
| 407 | case ATTR_ISSUER: |
| 408 | if (suffix == null) { |
| 409 | setIssuer(val); |
| 410 | } else { |
| 411 | issuer.set(suffix, val); |
| 412 | } |
| 413 | break; |
| 414 | |
| 415 | case ATTR_VALIDITY: |
| 416 | if (suffix == null) { |
| 417 | setValidity(val); |
| 418 | } else { |
| 419 | interval.set(suffix, val); |
| 420 | } |
| 421 | break; |
| 422 | |
| 423 | case ATTR_SUBJECT: |
| 424 | if (suffix == null) { |
| 425 | setSubject(val); |
| 426 | } else { |
| 427 | subject.set(suffix, val); |
| 428 | } |
| 429 | break; |
| 430 | |
| 431 | case ATTR_KEY: |
| 432 | if (suffix == null) { |
| 433 | setKey(val); |
| 434 | } else { |
| 435 | pubKey.set(suffix, val); |
| 436 | } |
| 437 | break; |
| 438 | |
| 439 | case ATTR_ISSUER_ID: |
| 440 | if (suffix == null) { |
| 441 | setIssuerUniqueId(val); |
| 442 | } else { |
| 443 | issuerUniqueId.set(suffix, val); |
| 444 | } |
| 445 | break; |
| 446 | |
| 447 | case ATTR_SUBJECT_ID: |
| 448 | if (suffix == null) { |
| 449 | setSubjectUniqueId(val); |
| 450 | } else { |
| 451 | subjectUniqueId.set(suffix, val); |
| 452 | } |
| 453 | break; |
| 454 | |
| 455 | case ATTR_EXTENSIONS: |
| 456 | if (suffix == null) { |
| 457 | setExtensions(val); |
| 458 | } else { |
| 459 | if (extensions == null) |
| 460 | extensions = new CertificateExtensions(); |
| 461 | extensions.set(suffix, val); |
| 462 | } |
| 463 | break; |
| 464 | } |
| 465 | } |
| 466 | |
| 467 | /** |
| 468 | * Delete the certificate attribute. |
| 469 | * |
| 470 | * @params name the name of the Certificate attribute. |
| 471 | * @exception CertificateException on invalid attributes. |
| 472 | * @exception IOException on other errors. |
| 473 | */ |
| 474 | public void delete(String name) |
| 475 | throws CertificateException, IOException { |
| 476 | X509AttributeName attrName = new X509AttributeName(name); |
| 477 | |
| 478 | int attr = attributeMap(attrName.getPrefix()); |
| 479 | if (attr == 0) { |
| 480 | throw new CertificateException("Attribute name not recognized: " |
| 481 | + name); |
| 482 | } |
| 483 | // set rawCertInfo to null, so that we are forced to re-encode |
| 484 | rawCertInfo = null; |
| 485 | String suffix = attrName.getSuffix(); |
| 486 | |
| 487 | switch (attr) { |
| 488 | case ATTR_VERSION: |
| 489 | if (suffix == null) { |
| 490 | version = null; |
| 491 | } else { |
| 492 | version.delete(suffix); |
| 493 | } |
| 494 | break; |
| 495 | case (ATTR_SERIAL): |
| 496 | if (suffix == null) { |
| 497 | serialNum = null; |
| 498 | } else { |
| 499 | serialNum.delete(suffix); |
| 500 | } |
| 501 | break; |
| 502 | case (ATTR_ALGORITHM): |
| 503 | if (suffix == null) { |
| 504 | algId = null; |
| 505 | } else { |
| 506 | algId.delete(suffix); |
| 507 | } |
| 508 | break; |
| 509 | case (ATTR_ISSUER): |
| 510 | if (suffix == null) { |
| 511 | issuer = null; |
| 512 | } else { |
| 513 | issuer.delete(suffix); |
| 514 | } |
| 515 | break; |
| 516 | case (ATTR_VALIDITY): |
| 517 | if (suffix == null) { |
| 518 | interval = null; |
| 519 | } else { |
| 520 | interval.delete(suffix); |
| 521 | } |
| 522 | break; |
| 523 | case (ATTR_SUBJECT): |
| 524 | if (suffix == null) { |
| 525 | subject = null; |
| 526 | } else { |
| 527 | subject.delete(suffix); |
| 528 | } |
| 529 | break; |
| 530 | case (ATTR_KEY): |
| 531 | if (suffix == null) { |
| 532 | pubKey = null; |
| 533 | } else { |
| 534 | pubKey.delete(suffix); |
| 535 | } |
| 536 | break; |
| 537 | case (ATTR_ISSUER_ID): |
| 538 | if (suffix == null) { |
| 539 | issuerUniqueId = null; |
| 540 | } else { |
| 541 | issuerUniqueId.delete(suffix); |
| 542 | } |
| 543 | break; |
| 544 | case (ATTR_SUBJECT_ID): |
| 545 | if (suffix == null) { |
| 546 | subjectUniqueId = null; |
| 547 | } else { |
| 548 | subjectUniqueId.delete(suffix); |
| 549 | } |
| 550 | break; |
| 551 | case (ATTR_EXTENSIONS): |
| 552 | if (suffix == null) { |
| 553 | extensions = null; |
| 554 | } else { |
| 555 | if (extensions != null) |
| 556 | extensions.delete(suffix); |
| 557 | } |
| 558 | break; |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | /** |
| 563 | * Get the certificate attribute. |
| 564 | * |
| 565 | * @params name the name of the Certificate attribute. |
| 566 | * |
| 567 | * @exception CertificateException on invalid attributes. |
| 568 | * @exception IOException on other errors. |
| 569 | */ |
| 570 | public Object get(String name) |
| 571 | throws CertificateException, IOException { |
| 572 | X509AttributeName attrName = new X509AttributeName(name); |
| 573 | |
| 574 | int attr = attributeMap(attrName.getPrefix()); |
| 575 | if (attr == 0) { |
| 576 | throw new CertificateParsingException( |
| 577 | "Attribute name not recognized: " + name); |
| 578 | } |
| 579 | String suffix = attrName.getSuffix(); |
| 580 | |
| 581 | switch (attr) { // frequently used attributes first |
| 582 | case (ATTR_EXTENSIONS): |
| 583 | if (suffix == null) { |
| 584 | return(extensions); |
| 585 | } else { |
| 586 | if (extensions == null) { |
| 587 | return null; |
| 588 | } else { |
| 589 | return(extensions.get(suffix)); |
| 590 | } |
| 591 | } |
| 592 | case (ATTR_SUBJECT): |
| 593 | if (suffix == null) { |
| 594 | return(subject); |
| 595 | } else { |
| 596 | return(subject.get(suffix)); |
| 597 | } |
| 598 | case (ATTR_ISSUER): |
| 599 | if (suffix == null) { |
| 600 | return(issuer); |
| 601 | } else { |
| 602 | return(issuer.get(suffix)); |
| 603 | } |
| 604 | case (ATTR_KEY): |
| 605 | if (suffix == null) { |
| 606 | return(pubKey); |
| 607 | } else { |
| 608 | return(pubKey.get(suffix)); |
| 609 | } |
| 610 | case (ATTR_ALGORITHM): |
| 611 | if (suffix == null) { |
| 612 | return(algId); |
| 613 | } else { |
| 614 | return(algId.get(suffix)); |
| 615 | } |
| 616 | case (ATTR_VALIDITY): |
| 617 | if (suffix == null) { |
| 618 | return(interval); |
| 619 | } else { |
| 620 | return(interval.get(suffix)); |
| 621 | } |
| 622 | case (ATTR_VERSION): |
| 623 | if (suffix == null) { |
| 624 | return(version); |
| 625 | } else { |
| 626 | return(version.get(suffix)); |
| 627 | } |
| 628 | case (ATTR_SERIAL): |
| 629 | if (suffix == null) { |
| 630 | return(serialNum); |
| 631 | } else { |
| 632 | return(serialNum.get(suffix)); |
| 633 | } |
| 634 | case (ATTR_ISSUER_ID): |
| 635 | if (suffix == null) { |
| 636 | return(issuerUniqueId); |
| 637 | } else { |
| 638 | if (issuerUniqueId == null) |
| 639 | return null; |
| 640 | else |
| 641 | return(issuerUniqueId.get(suffix)); |
| 642 | } |
| 643 | case (ATTR_SUBJECT_ID): |
| 644 | if (suffix == null) { |
| 645 | return(subjectUniqueId); |
| 646 | } else { |
| 647 | if (subjectUniqueId == null) |
| 648 | return null; |
| 649 | else |
| 650 | return(subjectUniqueId.get(suffix)); |
| 651 | } |
| 652 | } |
| 653 | return null; |
| 654 | } |
| 655 | |
| 656 | /* |
| 657 | * This routine unmarshals the certificate information. |
| 658 | */ |
| 659 | private void parse(DerValue val) |
| 660 | throws CertificateParsingException, IOException { |
| 661 | DerInputStream in; |
| 662 | DerValue tmp; |
| 663 | |
| 664 | if (val.tag != DerValue.tag_Sequence) { |
| 665 | throw new CertificateParsingException("signed fields invalid"); |
| 666 | } |
| 667 | rawCertInfo = val.toByteArray(); |
| 668 | |
| 669 | in = val.data; |
| 670 | |
| 671 | // Version |
| 672 | tmp = in.getDerValue(); |
| 673 | if (tmp.isContextSpecific((byte)0)) { |
| 674 | version = new CertificateVersion(tmp); |
| 675 | tmp = in.getDerValue(); |
| 676 | } |
| 677 | |
| 678 | // Serial number ... an integer |
| 679 | serialNum = new CertificateSerialNumber(tmp); |
| 680 | |
| 681 | // Algorithm Identifier |
| 682 | algId = new CertificateAlgorithmId(in); |
| 683 | |
| 684 | // Issuer name |
| 685 | issuer = new CertificateIssuerName(in); |
| 686 | X500Name issuerDN = (X500Name)issuer.get(CertificateIssuerName.DN_NAME); |
| 687 | if (issuerDN.isEmpty()) { |
| 688 | throw new CertificateParsingException( |
| 689 | "Empty issuer DN not allowed in X509Certificates"); |
| 690 | } |
| 691 | |
| 692 | // validity: SEQUENCE { start date, end date } |
| 693 | interval = new CertificateValidity(in); |
| 694 | |
| 695 | // subject name |
| 696 | subject = new CertificateSubjectName(in); |
| 697 | X500Name subjectDN = (X500Name)subject.get(CertificateSubjectName.DN_NAME); |
| 698 | if ((version.compare(CertificateVersion.V1) == 0) && |
| 699 | subjectDN.isEmpty()) { |
| 700 | throw new CertificateParsingException( |
| 701 | "Empty subject DN not allowed in v1 certificate"); |
| 702 | } |
| 703 | |
| 704 | // public key |
| 705 | pubKey = new CertificateX509Key(in); |
| 706 | |
| 707 | // If more data available, make sure version is not v1. |
| 708 | if (in.available() != 0) { |
| 709 | if (version.compare(CertificateVersion.V1) == 0) { |
| 710 | throw new CertificateParsingException( |
| 711 | "no more data allowed for version 1 certificate"); |
| 712 | } |
| 713 | } else { |
| 714 | return; |
| 715 | } |
| 716 | |
| 717 | // Get the issuerUniqueId if present |
| 718 | tmp = in.getDerValue(); |
| 719 | if (tmp.isContextSpecific((byte)1)) { |
| 720 | issuerUniqueId = new CertificateIssuerUniqueIdentity(tmp); |
| 721 | if (in.available() == 0) |
| 722 | return; |
| 723 | tmp = in.getDerValue(); |
| 724 | } |
| 725 | |
| 726 | // Get the subjectUniqueId if present. |
| 727 | if (tmp.isContextSpecific((byte)2)) { |
| 728 | subjectUniqueId = new CertificateSubjectUniqueIdentity(tmp); |
| 729 | if (in.available() == 0) |
| 730 | return; |
| 731 | tmp = in.getDerValue(); |
| 732 | } |
| 733 | |
| 734 | // Get the extensions. |
| 735 | if (version.compare(CertificateVersion.V3) != 0) { |
| 736 | throw new CertificateParsingException( |
| 737 | "Extensions not allowed in v2 certificate"); |
| 738 | } |
| 739 | if (tmp.isConstructed() && tmp.isContextSpecific((byte)3)) { |
| 740 | extensions = new CertificateExtensions(tmp.data); |
| 741 | } |
| 742 | |
| 743 | // verify X.509 V3 Certificate |
| 744 | verifyCert(subject, extensions); |
| 745 | |
| 746 | } |
| 747 | |
| 748 | /* |
| 749 | * Verify if X.509 V3 Certificate is compliant with RFC 3280. |
| 750 | */ |
| 751 | private void verifyCert(CertificateSubjectName subject, |
| 752 | CertificateExtensions extensions) |
| 753 | throws CertificateParsingException, IOException { |
| 754 | |
| 755 | // if SubjectName is empty, check for SubjectAlternativeNameExtension |
| 756 | X500Name subjectDN = (X500Name)subject.get(CertificateSubjectName.DN_NAME); |
| 757 | if (subjectDN.isEmpty()) { |
| 758 | if (extensions == null) { |
| 759 | throw new CertificateParsingException("X.509 Certificate is " + |
| 760 | "incomplete: subject field is empty, and certificate " + |
| 761 | "has no extensions"); |
| 762 | } |
| 763 | SubjectAlternativeNameExtension subjectAltNameExt = null; |
| 764 | SubjectAlternativeNameExtension extValue = null; |
| 765 | GeneralNames names = null; |
| 766 | try { |
| 767 | subjectAltNameExt = (SubjectAlternativeNameExtension) |
| 768 | extensions.get(SubjectAlternativeNameExtension.NAME); |
| 769 | names = (GeneralNames) subjectAltNameExt.get |
| 770 | (SubjectAlternativeNameExtension.SUBJECT_NAME); |
| 771 | } catch (IOException e) { |
| 772 | throw new CertificateParsingException("X.509 Certificate is " + |
| 773 | "incomplete: subject field is empty, and " + |
| 774 | "SubjectAlternativeName extension is absent"); |
| 775 | } |
| 776 | |
| 777 | // SubjectAlternativeName extension is empty or not marked critical |
| 778 | if (names == null || names.isEmpty()) { |
| 779 | throw new CertificateParsingException("X.509 Certificate is " + |
| 780 | "incomplete: subject field is empty, and " + |
| 781 | "SubjectAlternativeName extension is empty"); |
| 782 | } else if (subjectAltNameExt.isCritical() == false) { |
| 783 | throw new CertificateParsingException("X.509 Certificate is " + |
| 784 | "incomplete: SubjectAlternativeName extension MUST " + |
| 785 | "be marked critical when subject field is empty"); |
| 786 | } |
| 787 | } |
| 788 | } |
| 789 | |
| 790 | /* |
| 791 | * Marshal the contents of a "raw" certificate into a DER sequence. |
| 792 | */ |
| 793 | private void emit(DerOutputStream out) |
| 794 | throws CertificateException, IOException { |
| 795 | DerOutputStream tmp = new DerOutputStream(); |
| 796 | |
| 797 | // version number, iff not V1 |
| 798 | version.encode(tmp); |
| 799 | |
| 800 | // Encode serial number, issuer signing algorithm, issuer name |
| 801 | // and validity |
| 802 | serialNum.encode(tmp); |
| 803 | algId.encode(tmp); |
| 804 | |
| 805 | if ((version.compare(CertificateVersion.V1) == 0) && |
| 806 | (issuer.toString() == null)) |
| 807 | throw new CertificateParsingException( |
| 808 | "Null issuer DN not allowed in v1 certificate"); |
| 809 | |
| 810 | issuer.encode(tmp); |
| 811 | interval.encode(tmp); |
| 812 | |
| 813 | // Encode subject (principal) and associated key |
| 814 | if ((version.compare(CertificateVersion.V1) == 0) && |
| 815 | (subject.toString() == null)) |
| 816 | throw new CertificateParsingException( |
| 817 | "Null subject DN not allowed in v1 certificate"); |
| 818 | subject.encode(tmp); |
| 819 | pubKey.encode(tmp); |
| 820 | |
| 821 | // Encode issuerUniqueId & subjectUniqueId. |
| 822 | if (issuerUniqueId != null) { |
| 823 | issuerUniqueId.encode(tmp); |
| 824 | } |
| 825 | if (subjectUniqueId != null) { |
| 826 | subjectUniqueId.encode(tmp); |
| 827 | } |
| 828 | |
| 829 | // Write all the extensions. |
| 830 | if (extensions != null) { |
| 831 | extensions.encode(tmp); |
| 832 | } |
| 833 | |
| 834 | // Wrap the data; encoding of the "raw" cert is now complete. |
| 835 | out.write(DerValue.tag_Sequence, tmp); |
| 836 | } |
| 837 | |
| 838 | /** |
| 839 | * Returns the integer attribute number for the passed attribute name. |
| 840 | */ |
| 841 | private int attributeMap(String name) { |
| 842 | Integer num = map.get(name); |
| 843 | if (num == null) { |
| 844 | return 0; |
| 845 | } |
| 846 | return num.intValue(); |
| 847 | } |
| 848 | |
| 849 | /** |
| 850 | * Set the version number of the certificate. |
| 851 | * |
| 852 | * @params val the Object class value for the Extensions |
| 853 | * @exception CertificateException on invalid data. |
| 854 | */ |
| 855 | private void setVersion(Object val) throws CertificateException { |
| 856 | if (!(val instanceof CertificateVersion)) { |
| 857 | throw new CertificateException("Version class type invalid."); |
| 858 | } |
| 859 | version = (CertificateVersion)val; |
| 860 | } |
| 861 | |
| 862 | /** |
| 863 | * Set the serial number of the certificate. |
| 864 | * |
| 865 | * @params val the Object class value for the CertificateSerialNumber |
| 866 | * @exception CertificateException on invalid data. |
| 867 | */ |
| 868 | private void setSerialNumber(Object val) throws CertificateException { |
| 869 | if (!(val instanceof CertificateSerialNumber)) { |
| 870 | throw new CertificateException("SerialNumber class type invalid."); |
| 871 | } |
| 872 | serialNum = (CertificateSerialNumber)val; |
| 873 | } |
| 874 | |
| 875 | /** |
| 876 | * Set the algorithm id of the certificate. |
| 877 | * |
| 878 | * @params val the Object class value for the AlgorithmId |
| 879 | * @exception CertificateException on invalid data. |
| 880 | */ |
| 881 | private void setAlgorithmId(Object val) throws CertificateException { |
| 882 | if (!(val instanceof CertificateAlgorithmId)) { |
| 883 | throw new CertificateException( |
| 884 | "AlgorithmId class type invalid."); |
| 885 | } |
| 886 | algId = (CertificateAlgorithmId)val; |
| 887 | } |
| 888 | |
| 889 | /** |
| 890 | * Set the issuer name of the certificate. |
| 891 | * |
| 892 | * @params val the Object class value for the issuer |
| 893 | * @exception CertificateException on invalid data. |
| 894 | */ |
| 895 | private void setIssuer(Object val) throws CertificateException { |
| 896 | if (!(val instanceof CertificateIssuerName)) { |
| 897 | throw new CertificateException( |
| 898 | "Issuer class type invalid."); |
| 899 | } |
| 900 | issuer = (CertificateIssuerName)val; |
| 901 | } |
| 902 | |
| 903 | /** |
| 904 | * Set the validity interval of the certificate. |
| 905 | * |
| 906 | * @params val the Object class value for the CertificateValidity |
| 907 | * @exception CertificateException on invalid data. |
| 908 | */ |
| 909 | private void setValidity(Object val) throws CertificateException { |
| 910 | if (!(val instanceof CertificateValidity)) { |
| 911 | throw new CertificateException( |
| 912 | "CertificateValidity class type invalid."); |
| 913 | } |
| 914 | interval = (CertificateValidity)val; |
| 915 | } |
| 916 | |
| 917 | /** |
| 918 | * Set the subject name of the certificate. |
| 919 | * |
| 920 | * @params val the Object class value for the Subject |
| 921 | * @exception CertificateException on invalid data. |
| 922 | */ |
| 923 | private void setSubject(Object val) throws CertificateException { |
| 924 | if (!(val instanceof CertificateSubjectName)) { |
| 925 | throw new CertificateException( |
| 926 | "Subject class type invalid."); |
| 927 | } |
| 928 | subject = (CertificateSubjectName)val; |
| 929 | } |
| 930 | |
| 931 | /** |
| 932 | * Set the public key in the certificate. |
| 933 | * |
| 934 | * @params val the Object class value for the PublicKey |
| 935 | * @exception CertificateException on invalid data. |
| 936 | */ |
| 937 | private void setKey(Object val) throws CertificateException { |
| 938 | if (!(val instanceof CertificateX509Key)) { |
| 939 | throw new CertificateException( |
| 940 | "Key class type invalid."); |
| 941 | } |
| 942 | pubKey = (CertificateX509Key)val; |
| 943 | } |
| 944 | |
| 945 | /** |
| 946 | * Set the Issuer Unique Identity in the certificate. |
| 947 | * |
| 948 | * @params val the Object class value for the IssuerUniqueId |
| 949 | * @exception CertificateException |
| 950 | */ |
| 951 | private void setIssuerUniqueId(Object val) throws CertificateException { |
| 952 | if (version.compare(CertificateVersion.V2) < 0) { |
| 953 | throw new CertificateException("Invalid version"); |
| 954 | } |
| 955 | if (!(val instanceof CertificateIssuerUniqueIdentity)) { |
| 956 | throw new CertificateException( |
| 957 | "IssuerUniqueId class type invalid."); |
| 958 | } |
| 959 | issuerUniqueId = (CertificateIssuerUniqueIdentity)val; |
| 960 | } |
| 961 | |
| 962 | /** |
| 963 | * Set the Subject Unique Identity in the certificate. |
| 964 | * |
| 965 | * @params val the Object class value for the SubjectUniqueId |
| 966 | * @exception CertificateException |
| 967 | */ |
| 968 | private void setSubjectUniqueId(Object val) throws CertificateException { |
| 969 | if (version.compare(CertificateVersion.V2) < 0) { |
| 970 | throw new CertificateException("Invalid version"); |
| 971 | } |
| 972 | if (!(val instanceof CertificateSubjectUniqueIdentity)) { |
| 973 | throw new CertificateException( |
| 974 | "SubjectUniqueId class type invalid."); |
| 975 | } |
| 976 | subjectUniqueId = (CertificateSubjectUniqueIdentity)val; |
| 977 | } |
| 978 | |
| 979 | /** |
| 980 | * Set the extensions in the certificate. |
| 981 | * |
| 982 | * @params val the Object class value for the Extensions |
| 983 | * @exception CertificateException |
| 984 | */ |
| 985 | private void setExtensions(Object val) throws CertificateException { |
| 986 | if (version.compare(CertificateVersion.V3) < 0) { |
| 987 | throw new CertificateException("Invalid version"); |
| 988 | } |
| 989 | if (!(val instanceof CertificateExtensions)) { |
| 990 | throw new CertificateException( |
| 991 | "Extensions class type invalid."); |
| 992 | } |
| 993 | extensions = (CertificateExtensions)val; |
| 994 | } |
| 995 | } |