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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 /* | |
| 5 * pkix_defaultcrlchecker.c | |
| 6 * | |
| 7 * Functions for default CRL Checkers | |
| 8 * | |
| 9 */ | |
| 10 #include "pkix.h" | |
| 11 #include "pkix_crlchecker.h" | |
| 12 #include "pkix_tools.h" | |
| 13 | |
| 14 /* --Private-CRLChecker-Data-and-Types------------------------------- */ | |
| 15 | |
| 16 typedef struct pkix_CrlCheckerStruct { | |
| 17 /* RevocationMethod is the super class of CrlChecker. */ | |
| 18 pkix_RevocationMethod method; | |
| 19 PKIX_List *certStores; /* list of CertStore */ | |
| 20 PKIX_PL_VerifyCallback crlVerifyFn; | |
| 21 } pkix_CrlChecker; | |
| 22 | |
| 23 | |
| 24 /* --Private-CRLChecker-Functions----------------------------------- */ | |
| 25 | |
| 26 /* | |
| 27 * FUNCTION: pkix_CrlCheckerstate_Destroy | |
| 28 * (see comments for PKIX_PL_DestructorCallback in pkix_pl_system.h) | |
| 29 */ | |
| 30 static PKIX_Error * | |
| 31 pkix_CrlChecker_Destroy( | |
| 32 PKIX_PL_Object *object, | |
| 33 void *plContext) | |
| 34 { | |
| 35 pkix_CrlChecker *state = NULL; | |
| 36 | |
| 37 PKIX_ENTER(CRLCHECKER, "pkix_CrlChecker_Destroy"); | |
| 38 PKIX_NULLCHECK_ONE(object); | |
| 39 | |
| 40 /* Check that this object is a default CRL checker state */ | |
| 41 PKIX_CHECK( | |
| 42 pkix_CheckType(object, PKIX_CRLCHECKER_TYPE, plContext), | |
| 43 PKIX_OBJECTNOTCRLCHECKER); | |
| 44 | |
| 45 state = (pkix_CrlChecker *)object; | |
| 46 | |
| 47 PKIX_DECREF(state->certStores); | |
| 48 | |
| 49 cleanup: | |
| 50 | |
| 51 PKIX_RETURN(CRLCHECKER); | |
| 52 } | |
| 53 | |
| 54 /* | |
| 55 * FUNCTION: pkix_CrlChecker_RegisterSelf | |
| 56 * | |
| 57 * DESCRIPTION: | |
| 58 * Registers PKIX_CRLCHECKER_TYPE and its related functions | |
| 59 * with systemClasses[] | |
| 60 * | |
| 61 * THREAD SAFETY: | |
| 62 * Not Thread Safe (see Thread Safety Definitions in Programmer's Guide) | |
| 63 * | |
| 64 * Since this function is only called by PKIX_PL_Initialize, which should | |
| 65 * only be called once, it is acceptable that this function is not | |
| 66 * thread-safe. | |
| 67 */ | |
| 68 PKIX_Error * | |
| 69 pkix_CrlChecker_RegisterSelf(void *plContext) | |
| 70 { | |
| 71 extern pkix_ClassTable_Entry systemClasses[PKIX_NUMTYPES]; | |
| 72 pkix_ClassTable_Entry* entry = &systemClasses[PKIX_CRLCHECKER_TYPE]; | |
| 73 | |
| 74 PKIX_ENTER(CRLCHECKER, "pkix_CrlChecker_RegisterSelf"); | |
| 75 | |
| 76 entry->description = "CRLChecker"; | |
| 77 entry->typeObjectSize = sizeof(pkix_CrlChecker); | |
| 78 entry->destructor = pkix_CrlChecker_Destroy; | |
| 79 | |
| 80 PKIX_RETURN(CRLCHECKER); | |
| 81 } | |
| 82 | |
| 83 /* | |
| 84 * FUNCTION: pkix_CrlChecker_Create | |
| 85 * | |
| 86 * DESCRIPTION: | |
| 87 * Allocate and initialize CRLChecker state data. | |
| 88 * | |
| 89 * PARAMETERS | |
| 90 * "certStores" | |
| 91 * Address of CertStore List to be stored in state. Must be non-NULL. | |
| 92 * "testDate" | |
| 93 * Address of PKIX_PL_Date to be checked. May be NULL. | |
| 94 * "trustedPubKey" | |
| 95 * Trusted Anchor Public Key for verifying first Cert in the chain. | |
| 96 * Must be non-NULL. | |
| 97 * "certsRemaining" | |
| 98 * Number of certificates remaining in the chain. | |
| 99 * "nistCRLPolicyEnabled" | |
| 100 * If enabled, enforce nist crl policy. | |
| 101 * "pChecker" | |
| 102 * Address of CRLChecker that is returned. Must be non-NULL. | |
| 103 * "plContext" | |
| 104 * Platform-specific context pointer. | |
| 105 * | |
| 106 * THREAD SAFETY: | |
| 107 * Thread Safe (see Thread Safety Definitions in Programmer's Guide) | |
| 108 * | |
| 109 * RETURNS: | |
| 110 * Returns NULL if the function succeeds. | |
| 111 * Returns a DefaultCrlChecker Error if the function fails in a | |
| 112 * non-fatal way. | |
| 113 * Returns a Fatal Error | |
| 114 */ | |
| 115 PKIX_Error * | |
| 116 pkix_CrlChecker_Create(PKIX_RevocationMethodType methodType, | |
| 117 PKIX_UInt32 flags, | |
| 118 PKIX_UInt32 priority, | |
| 119 pkix_LocalRevocationCheckFn localRevChecker, | |
| 120 pkix_ExternalRevocationCheckFn externalRevChecker, | |
| 121 PKIX_List *certStores, | |
| 122 PKIX_PL_VerifyCallback crlVerifyFn, | |
| 123 pkix_RevocationMethod **pChecker, | |
| 124 void *plContext) | |
| 125 { | |
| 126 pkix_CrlChecker *crlChecker = NULL; | |
| 127 | |
| 128 PKIX_ENTER(CRLCHECKER, "pkix_CrlChecker_Create"); | |
| 129 PKIX_NULLCHECK_TWO(certStores, pChecker); | |
| 130 | |
| 131 PKIX_CHECK(PKIX_PL_Object_Alloc | |
| 132 (PKIX_CRLCHECKER_TYPE, | |
| 133 sizeof (pkix_CrlChecker), | |
| 134 (PKIX_PL_Object **)&crlChecker, | |
| 135 plContext), | |
| 136 PKIX_COULDNOTCREATECRLCHECKEROBJECT); | |
| 137 | |
| 138 pkixErrorResult = pkix_RevocationMethod_Init( | |
| 139 (pkix_RevocationMethod*)crlChecker, methodType, flags, priority, | |
| 140 localRevChecker, externalRevChecker, plContext); | |
| 141 if (pkixErrorResult) { | |
| 142 goto cleanup; | |
| 143 } | |
| 144 | |
| 145 /* Initialize fields */ | |
| 146 PKIX_INCREF(certStores); | |
| 147 crlChecker->certStores = certStores; | |
| 148 | |
| 149 crlChecker->crlVerifyFn = crlVerifyFn; | |
| 150 *pChecker = (pkix_RevocationMethod*)crlChecker; | |
| 151 crlChecker = NULL; | |
| 152 | |
| 153 cleanup: | |
| 154 PKIX_DECREF(crlChecker); | |
| 155 | |
| 156 PKIX_RETURN(CRLCHECKER); | |
| 157 } | |
| 158 | |
| 159 /* --Private-CRLChecker-Functions------------------------------------ */ | |
| 160 | |
| 161 /* | |
| 162 * FUNCTION: pkix_CrlChecker_CheckLocal | |
| 163 * | |
| 164 * DESCRIPTION: | |
| 165 * Check if the Cert has been revoked based the CRLs data. This function | |
| 166 * maintains the checker state to be current. | |
| 167 * | |
| 168 * PARAMETERS | |
| 169 * "checker" | |
| 170 * Address of CertChainChecker which has the state data. | |
| 171 * Must be non-NULL. | |
| 172 * "cert" | |
| 173 * Address of Certificate that is to be validated. Must be non-NULL. | |
| 174 * "unreslvdCrtExts" | |
| 175 * A List OIDs. Not **yet** used in this checker function. | |
| 176 * "plContext" | |
| 177 * Platform-specific context pointer. | |
| 178 * | |
| 179 * THREAD SAFETY: | |
| 180 * Not Thread Safe | |
| 181 * (see Thread Safety Definitions in Programmer's Guide) | |
| 182 * | |
| 183 * RETURNS: | |
| 184 * Returns NULL if the function succeeds. | |
| 185 * Returns a CertChainChecker Error if the function fails in a non-fatal way. | |
| 186 * Returns a Fatal Error | |
| 187 */ | |
| 188 PKIX_Error * | |
| 189 pkix_CrlChecker_CheckLocal( | |
| 190 PKIX_PL_Cert *cert, | |
| 191 PKIX_PL_Cert *issuer, | |
| 192 PKIX_PL_Date *date, | |
| 193 pkix_RevocationMethod *checkerObject, | |
| 194 PKIX_ProcessingParams *procParams, | |
| 195 PKIX_UInt32 methodFlags, | |
| 196 PKIX_Boolean chainVerificationState, | |
| 197 PKIX_RevocationStatus *pRevStatus, | |
| 198 CERTCRLEntryReasonCode *pReasonCode, | |
| 199 void *plContext) | |
| 200 { | |
| 201 PKIX_CertStore_CheckRevokationByCrlCallback storeCheckRevocationFn; | |
| 202 PKIX_CertStore *certStore = NULL; | |
| 203 pkix_CrlChecker *state = NULL; | |
| 204 PKIX_UInt32 crlStoreIndex = 0; | |
| 205 PKIX_UInt32 numCrlStores = 0; | |
| 206 PKIX_Boolean storeIsLocal = PKIX_FALSE; | |
| 207 PKIX_RevocationStatus revStatus = PKIX_RevStatus_NoInfo; | |
| 208 | |
| 209 PKIX_ENTER(CERTCHAINCHECKER, "pkix_CrlChecker_CheckLocal"); | |
| 210 PKIX_NULLCHECK_FOUR(cert, issuer, checkerObject, checkerObject); | |
| 211 | |
| 212 state = (pkix_CrlChecker*)checkerObject; | |
| 213 | |
| 214 PKIX_CHECK( | |
| 215 PKIX_List_GetLength(state->certStores, &numCrlStores, plContext), | |
| 216 PKIX_LISTGETLENGTHFAILED); | |
| 217 | |
| 218 for (;crlStoreIndex < numCrlStores;crlStoreIndex++) { | |
| 219 PKIX_CHECK( | |
| 220 PKIX_List_GetItem(state->certStores, crlStoreIndex, | |
| 221 (PKIX_PL_Object **)&certStore, | |
| 222 plContext), | |
| 223 PKIX_LISTGETITEMFAILED); | |
| 224 | |
| 225 PKIX_CHECK( | |
| 226 PKIX_CertStore_GetLocalFlag(certStore, &storeIsLocal, | |
| 227 plContext), | |
| 228 PKIX_CERTSTOREGETLOCALFLAGFAILED); | |
| 229 if (storeIsLocal) { | |
| 230 PKIX_CHECK( | |
| 231 PKIX_CertStore_GetCrlCheckerFn(certStore, | |
| 232 &storeCheckRevocationFn, | |
| 233 plContext), | |
| 234 PKIX_CERTSTOREGETCHECKREVBYCRLFAILED); | |
| 235 | |
| 236 if (storeCheckRevocationFn) { | |
| 237 PKIX_CHECK( | |
| 238 (*storeCheckRevocationFn)(certStore, cert, issuer, | |
| 239 /* delay sig check if building | |
| 240 * a chain by not specifying the time*/ | |
| 241 chainVerificationState ? date : NULL, | |
| 242 /* crl downloading is not done. */ | |
| 243 PKIX_FALSE, | |
| 244 pReasonCode, &revStatus, plContext), | |
| 245 PKIX_CERTSTORECRLCHECKFAILED); | |
| 246 if (revStatus == PKIX_RevStatus_Revoked) { | |
| 247 break; | |
| 248 } | |
| 249 } | |
| 250 } | |
| 251 PKIX_DECREF(certStore); | |
| 252 } /* while */ | |
| 253 | |
| 254 cleanup: | |
| 255 *pRevStatus = revStatus; | |
| 256 PKIX_DECREF(certStore); | |
| 257 | |
| 258 PKIX_RETURN(CERTCHAINCHECKER); | |
| 259 } | |
| 260 | |
| 261 /* | |
| 262 * FUNCTION: pkix_CrlChecker_CheckRemote | |
| 263 * | |
| 264 * DESCRIPTION: | |
| 265 * Check if the Cert has been revoked based the CRLs data. This function | |
| 266 * maintains the checker state to be current. | |
| 267 * | |
| 268 * PARAMETERS | |
| 269 * "checker" | |
| 270 * Address of CertChainChecker which has the state data. | |
| 271 * Must be non-NULL. | |
| 272 * "cert" | |
| 273 * Address of Certificate that is to be validated. Must be non-NULL. | |
| 274 * "unreslvdCrtExts" | |
| 275 * A List OIDs. Not **yet** used in this checker function. | |
| 276 * "plContext" | |
| 277 * Platform-specific context pointer. | |
| 278 * | |
| 279 * THREAD SAFETY: | |
| 280 * Not Thread Safe | |
| 281 * (see Thread Safety Definitions in Programmer's Guide) | |
| 282 * | |
| 283 * RETURNS: | |
| 284 * Returns NULL if the function succeeds. | |
| 285 * Returns a CertChainChecker Error if the function fails in a non-fatal way. | |
| 286 * Returns a Fatal Error | |
| 287 */ | |
| 288 PKIX_Error * | |
| 289 pkix_CrlChecker_CheckExternal( | |
| 290 PKIX_PL_Cert *cert, | |
| 291 PKIX_PL_Cert *issuer, | |
| 292 PKIX_PL_Date *date, | |
| 293 pkix_RevocationMethod *checkerObject, | |
| 294 PKIX_ProcessingParams *procParams, | |
| 295 PKIX_UInt32 methodFlags, | |
| 296 PKIX_RevocationStatus *pRevStatus, | |
| 297 CERTCRLEntryReasonCode *pReasonCode, | |
| 298 void **pNBIOContext, | |
| 299 void *plContext) | |
| 300 { | |
| 301 PKIX_CertStore_CheckRevokationByCrlCallback storeCheckRevocationFn = NULL; | |
| 302 PKIX_CertStore_ImportCrlCallback storeImportCrlFn = NULL; | |
| 303 PKIX_RevocationStatus revStatus = PKIX_RevStatus_NoInfo; | |
| 304 PKIX_CertStore *certStore = NULL; | |
| 305 PKIX_CertStore *localStore = NULL; | |
| 306 PKIX_CRLSelector *crlSelector = NULL; | |
| 307 PKIX_PL_X500Name *issuerName = NULL; | |
| 308 pkix_CrlChecker *state = NULL; | |
| 309 PKIX_UInt32 crlStoreIndex = 0; | |
| 310 PKIX_UInt32 numCrlStores = 0; | |
| 311 PKIX_Boolean storeIsLocal = PKIX_FALSE; | |
| 312 PKIX_List *crlList = NULL; | |
| 313 PKIX_List *dpList = NULL; | |
| 314 void *nbioContext = NULL; | |
| 315 | |
| 316 PKIX_ENTER(CERTCHAINCHECKER, "pkix_CrlChecker_CheckExternal"); | |
| 317 PKIX_NULLCHECK_FOUR(cert, issuer, checkerObject, pNBIOContext); | |
| 318 | |
| 319 nbioContext = *pNBIOContext; | |
| 320 *pNBIOContext = NULL; /* prepare for Error exit */ | |
| 321 | |
| 322 state = (pkix_CrlChecker*)checkerObject; | |
| 323 | |
| 324 PKIX_CHECK( | |
| 325 PKIX_List_GetLength(state->certStores, &numCrlStores, plContext), | |
| 326 PKIX_LISTGETLENGTHFAILED); | |
| 327 | |
| 328 /* Find a cert store that is capable of storing crls */ | |
| 329 for (;crlStoreIndex < numCrlStores;crlStoreIndex++) { | |
| 330 PKIX_CHECK( | |
| 331 PKIX_List_GetItem(state->certStores, crlStoreIndex, | |
| 332 (PKIX_PL_Object **)&certStore, | |
| 333 plContext), | |
| 334 PKIX_LISTGETITEMFAILED); | |
| 335 | |
| 336 PKIX_CHECK( | |
| 337 PKIX_CertStore_GetLocalFlag(certStore, &storeIsLocal, | |
| 338 plContext), | |
| 339 PKIX_CERTSTOREGETLOCALFLAGFAILED); | |
| 340 if (storeIsLocal) { | |
| 341 PKIX_CHECK( | |
| 342 PKIX_CertStore_GetImportCrlCallback(certStore, | |
| 343 &storeImportCrlFn, | |
| 344 plContext), | |
| 345 PKIX_CERTSTOREGETCHECKREVBYCRLFAILED); | |
| 346 | |
| 347 PKIX_CHECK( | |
| 348 PKIX_CertStore_GetCrlCheckerFn(certStore, | |
| 349 &storeCheckRevocationFn, | |
| 350 plContext), | |
| 351 PKIX_CERTSTOREGETCHECKREVBYCRLFAILED); | |
| 352 | |
| 353 if (storeImportCrlFn && storeCheckRevocationFn) { | |
| 354 localStore = certStore; | |
| 355 certStore = NULL; | |
| 356 break; | |
| 357 } | |
| 358 } | |
| 359 PKIX_DECREF(certStore); | |
| 360 } /* while */ | |
| 361 | |
| 362 /* Report unknown status if we can not check crl in one of the | |
| 363 * local stores. */ | |
| 364 if (!localStore) { | |
| 365 PKIX_ERROR_FATAL(PKIX_CRLCHECKERNOLOCALCERTSTOREFOUND); | |
| 366 } | |
| 367 PKIX_CHECK( | |
| 368 PKIX_PL_Cert_VerifyKeyUsage(issuer, PKIX_CRL_SIGN, plContext), | |
| 369 PKIX_CERTCHECKKEYUSAGEFAILED); | |
| 370 PKIX_CHECK( | |
| 371 PKIX_PL_Cert_GetCrlDp(cert, &dpList, plContext), | |
| 372 PKIX_CERTGETCRLDPFAILED); | |
| 373 if (!(methodFlags & PKIX_REV_M_REQUIRE_INFO_ON_MISSING_SOURCE) && | |
| 374 (!dpList || !dpList->length)) { | |
| 375 goto cleanup; | |
| 376 } | |
| 377 PKIX_CHECK( | |
| 378 PKIX_PL_Cert_GetIssuer(cert, &issuerName, plContext), | |
| 379 PKIX_CERTGETISSUERFAILED); | |
| 380 PKIX_CHECK( | |
| 381 PKIX_CRLSelector_Create(issuer, dpList, date, &crlSelector, plContext), | |
| 382 PKIX_CRLCHECKERSETSELECTORFAILED); | |
| 383 /* Fetch crl and store in a local cert store */ | |
| 384 for (crlStoreIndex = 0;crlStoreIndex < numCrlStores;crlStoreIndex++) { | |
| 385 PKIX_CertStore_CRLCallback getCrlsFn; | |
| 386 | |
| 387 PKIX_CHECK( | |
| 388 PKIX_List_GetItem(state->certStores, crlStoreIndex, | |
| 389 (PKIX_PL_Object **)&certStore, | |
| 390 plContext), | |
| 391 PKIX_LISTGETITEMFAILED); | |
| 392 | |
| 393 PKIX_CHECK( | |
| 394 PKIX_CertStore_GetCRLCallback(certStore, &getCrlsFn, | |
| 395 plContext), | |
| 396 PKIX_CERTSTOREGETCRLCALLBACKFAILED); | |
| 397 | |
| 398 PKIX_CHECK( | |
| 399 (*getCrlsFn)(certStore, crlSelector, &nbioContext, | |
| 400 &crlList, plContext), | |
| 401 PKIX_GETCRLSFAILED); | |
| 402 | |
| 403 PKIX_CHECK( | |
| 404 (*storeImportCrlFn)(localStore, issuerName, crlList, plContext), | |
| 405 PKIX_CERTSTOREFAILTOIMPORTCRLLIST); | |
| 406 | |
| 407 PKIX_CHECK( | |
| 408 (*storeCheckRevocationFn)(certStore, cert, issuer, date, | |
| 409 /* done with crl downloading */ | |
| 410 PKIX_TRUE, | |
| 411 pReasonCode, &revStatus, plContext), | |
| 412 PKIX_CERTSTORECRLCHECKFAILED); | |
| 413 if (revStatus != PKIX_RevStatus_NoInfo) { | |
| 414 break; | |
| 415 } | |
| 416 PKIX_DECREF(crlList); | |
| 417 PKIX_DECREF(certStore); | |
| 418 } /* while */ | |
| 419 | |
| 420 cleanup: | |
| 421 /* Update return flags */ | |
| 422 if (revStatus == PKIX_RevStatus_NoInfo && | |
| 423 ((dpList && dpList->length > 0) || | |
| 424 (methodFlags & PKIX_REV_M_REQUIRE_INFO_ON_MISSING_SOURCE)) && | |
| 425 methodFlags & PKIX_REV_M_FAIL_ON_MISSING_FRESH_INFO) { | |
| 426 revStatus = PKIX_RevStatus_Revoked; | |
| 427 } | |
| 428 *pRevStatus = revStatus; | |
| 429 | |
| 430 PKIX_DECREF(dpList); | |
| 431 PKIX_DECREF(crlList); | |
| 432 PKIX_DECREF(certStore); | |
| 433 PKIX_DECREF(issuerName); | |
| 434 PKIX_DECREF(localStore); | |
| 435 PKIX_DECREF(crlSelector); | |
| 436 | |
| 437 PKIX_RETURN(CERTCHAINCHECKER); | |
| 438 } | |
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Chromium Code Reviews
Issue 2078763002:
Delete bundled copy of NSS and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/nss@master