| OLD | NEW |
|---|
| (Empty) |
| 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 /* | |
| 6 * sessobj.c | |
| 7 * | |
| 8 * This file contains an NSSCKMDObject implementation for session | |
| 9 * objects. The framework uses this implementation to manage | |
| 10 * session objects when a Module doesn't wish to be bothered. | |
| 11 */ | |
| 12 | |
| 13 #ifndef CK_T | |
| 14 #include "ck.h" | |
| 15 #endif /* CK_T */ | |
| 16 | |
| 17 /* | |
| 18 * nssCKMDSessionObject | |
| 19 * | |
| 20 * -- create -- | |
| 21 * nssCKMDSessionObject_Create | |
| 22 * | |
| 23 * -- EPV calls -- | |
| 24 * nss_ckmdSessionObject_Finalize | |
| 25 * nss_ckmdSessionObject_IsTokenObject | |
| 26 * nss_ckmdSessionObject_GetAttributeCount | |
| 27 * nss_ckmdSessionObject_GetAttributeTypes | |
| 28 * nss_ckmdSessionObject_GetAttributeSize | |
| 29 * nss_ckmdSessionObject_GetAttribute | |
| 30 * nss_ckmdSessionObject_SetAttribute | |
| 31 * nss_ckmdSessionObject_GetObjectSize | |
| 32 */ | |
| 33 | |
| 34 struct nssCKMDSessionObjectStr { | |
| 35 CK_ULONG n; | |
| 36 NSSArena *arena; | |
| 37 NSSItem *attributes; | |
| 38 CK_ATTRIBUTE_TYPE_PTR types; | |
| 39 nssCKFWHash *hash; | |
| 40 }; | |
| 41 typedef struct nssCKMDSessionObjectStr nssCKMDSessionObject; | |
| 42 | |
| 43 #ifdef DEBUG | |
| 44 /* | |
| 45 * But first, the pointer-tracking stuff. | |
| 46 * | |
| 47 * NOTE: the pointer-tracking support in NSS/base currently relies | |
| 48 * upon NSPR's CallOnce support. That, however, relies upon NSPR's | |
| 49 * locking, which is tied into the runtime. We need a pointer-tracker | |
| 50 * implementation that uses the locks supplied through C_Initialize. | |
| 51 * That support, however, can be filled in later. So for now, I'll | |
| 52 * just do this routines as no-ops. | |
| 53 */ | |
| 54 | |
| 55 static CK_RV | |
| 56 nss_ckmdSessionObject_add_pointer( | |
| 57 const NSSCKMDObject *mdObject) | |
| 58 { | |
| 59 return CKR_OK; | |
| 60 } | |
| 61 | |
| 62 static CK_RV | |
| 63 nss_ckmdSessionObject_remove_pointer( | |
| 64 const NSSCKMDObject *mdObject) | |
| 65 { | |
| 66 return CKR_OK; | |
| 67 } | |
| 68 | |
| 69 #ifdef NSS_DEBUG | |
| 70 static CK_RV | |
| 71 nss_ckmdSessionObject_verifyPointer( | |
| 72 const NSSCKMDObject *mdObject) | |
| 73 { | |
| 74 return CKR_OK; | |
| 75 } | |
| 76 #endif | |
| 77 | |
| 78 #endif /* DEBUG */ | |
| 79 | |
| 80 /* | |
| 81 * We must forward-declare these routines | |
| 82 */ | |
| 83 static void | |
| 84 nss_ckmdSessionObject_Finalize( | |
| 85 NSSCKMDObject *mdObject, | |
| 86 NSSCKFWObject *fwObject, | |
| 87 NSSCKMDSession *mdSession, | |
| 88 NSSCKFWSession *fwSession, | |
| 89 NSSCKMDToken *mdToken, | |
| 90 NSSCKFWToken *fwToken, | |
| 91 NSSCKMDInstance *mdInstance, | |
| 92 NSSCKFWInstance *fwInstance); | |
| 93 | |
| 94 static CK_RV | |
| 95 nss_ckmdSessionObject_Destroy( | |
| 96 NSSCKMDObject *mdObject, | |
| 97 NSSCKFWObject *fwObject, | |
| 98 NSSCKMDSession *mdSession, | |
| 99 NSSCKFWSession *fwSession, | |
| 100 NSSCKMDToken *mdToken, | |
| 101 NSSCKFWToken *fwToken, | |
| 102 NSSCKMDInstance *mdInstance, | |
| 103 NSSCKFWInstance *fwInstance); | |
| 104 | |
| 105 static CK_BBOOL | |
| 106 nss_ckmdSessionObject_IsTokenObject( | |
| 107 NSSCKMDObject *mdObject, | |
| 108 NSSCKFWObject *fwObject, | |
| 109 NSSCKMDSession *mdSession, | |
| 110 NSSCKFWSession *fwSession, | |
| 111 NSSCKMDToken *mdToken, | |
| 112 NSSCKFWToken *fwToken, | |
| 113 NSSCKMDInstance *mdInstance, | |
| 114 NSSCKFWInstance *fwInstance); | |
| 115 | |
| 116 static CK_ULONG | |
| 117 nss_ckmdSessionObject_GetAttributeCount( | |
| 118 NSSCKMDObject *mdObject, | |
| 119 NSSCKFWObject *fwObject, | |
| 120 NSSCKMDSession *mdSession, | |
| 121 NSSCKFWSession *fwSession, | |
| 122 NSSCKMDToken *mdToken, | |
| 123 NSSCKFWToken *fwToken, | |
| 124 NSSCKMDInstance *mdInstance, | |
| 125 NSSCKFWInstance *fwInstance, | |
| 126 CK_RV *pError); | |
| 127 | |
| 128 static CK_RV | |
| 129 nss_ckmdSessionObject_GetAttributeTypes( | |
| 130 NSSCKMDObject *mdObject, | |
| 131 NSSCKFWObject *fwObject, | |
| 132 NSSCKMDSession *mdSession, | |
| 133 NSSCKFWSession *fwSession, | |
| 134 NSSCKMDToken *mdToken, | |
| 135 NSSCKFWToken *fwToken, | |
| 136 NSSCKMDInstance *mdInstance, | |
| 137 NSSCKFWInstance *fwInstance, | |
| 138 CK_ATTRIBUTE_TYPE_PTR typeArray, | |
| 139 CK_ULONG ulCount); | |
| 140 | |
| 141 static CK_ULONG | |
| 142 nss_ckmdSessionObject_GetAttributeSize( | |
| 143 NSSCKMDObject *mdObject, | |
| 144 NSSCKFWObject *fwObject, | |
| 145 NSSCKMDSession *mdSession, | |
| 146 NSSCKFWSession *fwSession, | |
| 147 NSSCKMDToken *mdToken, | |
| 148 NSSCKFWToken *fwToken, | |
| 149 NSSCKMDInstance *mdInstance, | |
| 150 NSSCKFWInstance *fwInstance, | |
| 151 CK_ATTRIBUTE_TYPE attribute, | |
| 152 CK_RV *pError); | |
| 153 | |
| 154 static NSSCKFWItem | |
| 155 nss_ckmdSessionObject_GetAttribute( | |
| 156 NSSCKMDObject *mdObject, | |
| 157 NSSCKFWObject *fwObject, | |
| 158 NSSCKMDSession *mdSession, | |
| 159 NSSCKFWSession *fwSession, | |
| 160 NSSCKMDToken *mdToken, | |
| 161 NSSCKFWToken *fwToken, | |
| 162 NSSCKMDInstance *mdInstance, | |
| 163 NSSCKFWInstance *fwInstance, | |
| 164 CK_ATTRIBUTE_TYPE attribute, | |
| 165 CK_RV *pError); | |
| 166 | |
| 167 static CK_RV | |
| 168 nss_ckmdSessionObject_SetAttribute( | |
| 169 NSSCKMDObject *mdObject, | |
| 170 NSSCKFWObject *fwObject, | |
| 171 NSSCKMDSession *mdSession, | |
| 172 NSSCKFWSession *fwSession, | |
| 173 NSSCKMDToken *mdToken, | |
| 174 NSSCKFWToken *fwToken, | |
| 175 NSSCKMDInstance *mdInstance, | |
| 176 NSSCKFWInstance *fwInstance, | |
| 177 CK_ATTRIBUTE_TYPE attribute, | |
| 178 NSSItem *value); | |
| 179 | |
| 180 static CK_ULONG | |
| 181 nss_ckmdSessionObject_GetObjectSize( | |
| 182 NSSCKMDObject *mdObject, | |
| 183 NSSCKFWObject *fwObject, | |
| 184 NSSCKMDSession *mdSession, | |
| 185 NSSCKFWSession *fwSession, | |
| 186 NSSCKMDToken *mdToken, | |
| 187 NSSCKFWToken *fwToken, | |
| 188 NSSCKMDInstance *mdInstance, | |
| 189 NSSCKFWInstance *fwInstance, | |
| 190 CK_RV *pError); | |
| 191 | |
| 192 /* | |
| 193 * nssCKMDSessionObject_Create | |
| 194 * | |
| 195 */ | |
| 196 NSS_IMPLEMENT NSSCKMDObject * | |
| 197 nssCKMDSessionObject_Create( | |
| 198 NSSCKFWToken *fwToken, | |
| 199 NSSArena *arena, | |
| 200 CK_ATTRIBUTE_PTR attributes, | |
| 201 CK_ULONG ulCount, | |
| 202 CK_RV *pError) | |
| 203 { | |
| 204 NSSCKMDObject *mdObject = (NSSCKMDObject *)NULL; | |
| 205 nssCKMDSessionObject *mdso = (nssCKMDSessionObject *)NULL; | |
| 206 CK_ULONG i; | |
| 207 nssCKFWHash *hash; | |
| 208 | |
| 209 *pError = CKR_OK; | |
| 210 | |
| 211 mdso = nss_ZNEW(arena, nssCKMDSessionObject); | |
| 212 if (!mdso) { | |
| 213 goto loser; | |
| 214 } | |
| 215 | |
| 216 mdso->arena = arena; | |
| 217 mdso->n = ulCount; | |
| 218 mdso->attributes = nss_ZNEWARRAY(arena, NSSItem, ulCount); | |
| 219 if (!mdso->attributes) { | |
| 220 goto loser; | |
| 221 } | |
| 222 | |
| 223 mdso->types = nss_ZNEWARRAY(arena, CK_ATTRIBUTE_TYPE, ulCount); | |
| 224 if (!mdso->types) { | |
| 225 goto loser; | |
| 226 } | |
| 227 for (i = 0; i < ulCount; i++) { | |
| 228 mdso->types[i] = attributes[i].type; | |
| 229 mdso->attributes[i].size = attributes[i].ulValueLen; | |
| 230 mdso->attributes[i].data = nss_ZAlloc(arena, attributes[i].ulValueLen); | |
| 231 if (!mdso->attributes[i].data) { | |
| 232 goto loser; | |
| 233 } | |
| 234 (void)nsslibc_memcpy(mdso->attributes[i].data, attributes[i].pValue, | |
| 235 attributes[i].ulValueLen); | |
| 236 } | |
| 237 | |
| 238 mdObject = nss_ZNEW(arena, NSSCKMDObject); | |
| 239 if (!mdObject) { | |
| 240 goto loser; | |
| 241 } | |
| 242 | |
| 243 mdObject->etc = (void *)mdso; | |
| 244 mdObject->Finalize = nss_ckmdSessionObject_Finalize; | |
| 245 mdObject->Destroy = nss_ckmdSessionObject_Destroy; | |
| 246 mdObject->IsTokenObject = nss_ckmdSessionObject_IsTokenObject; | |
| 247 mdObject->GetAttributeCount = nss_ckmdSessionObject_GetAttributeCount; | |
| 248 mdObject->GetAttributeTypes = nss_ckmdSessionObject_GetAttributeTypes; | |
| 249 mdObject->GetAttributeSize = nss_ckmdSessionObject_GetAttributeSize; | |
| 250 mdObject->GetAttribute = nss_ckmdSessionObject_GetAttribute; | |
| 251 mdObject->SetAttribute = nss_ckmdSessionObject_SetAttribute; | |
| 252 mdObject->GetObjectSize = nss_ckmdSessionObject_GetObjectSize; | |
| 253 | |
| 254 hash = nssCKFWToken_GetSessionObjectHash(fwToken); | |
| 255 if (!hash) { | |
| 256 *pError = CKR_GENERAL_ERROR; | |
| 257 goto loser; | |
| 258 } | |
| 259 | |
| 260 mdso->hash = hash; | |
| 261 | |
| 262 *pError = nssCKFWHash_Add(hash, mdObject, mdObject); | |
| 263 if (CKR_OK != *pError) { | |
| 264 goto loser; | |
| 265 } | |
| 266 | |
| 267 #ifdef DEBUG | |
| 268 if ((*pError = nss_ckmdSessionObject_add_pointer(mdObject)) != CKR_OK) { | |
| 269 goto loser; | |
| 270 } | |
| 271 #endif /* DEBUG */ | |
| 272 | |
| 273 return mdObject; | |
| 274 | |
| 275 loser: | |
| 276 if (mdso) { | |
| 277 if (mdso->attributes) { | |
| 278 for (i = 0; i < ulCount; i++) { | |
| 279 nss_ZFreeIf(mdso->attributes[i].data); | |
| 280 } | |
| 281 nss_ZFreeIf(mdso->attributes); | |
| 282 } | |
| 283 nss_ZFreeIf(mdso->types); | |
| 284 nss_ZFreeIf(mdso); | |
| 285 } | |
| 286 | |
| 287 nss_ZFreeIf(mdObject); | |
| 288 if (*pError == CKR_OK) { | |
| 289 *pError = CKR_HOST_MEMORY; | |
| 290 } | |
| 291 return (NSSCKMDObject *)NULL; | |
| 292 } | |
| 293 | |
| 294 /* | |
| 295 * nss_ckmdSessionObject_Finalize | |
| 296 * | |
| 297 */ | |
| 298 static void | |
| 299 nss_ckmdSessionObject_Finalize( | |
| 300 NSSCKMDObject *mdObject, | |
| 301 NSSCKFWObject *fwObject, | |
| 302 NSSCKMDSession *mdSession, | |
| 303 NSSCKFWSession *fwSession, | |
| 304 NSSCKMDToken *mdToken, | |
| 305 NSSCKFWToken *fwToken, | |
| 306 NSSCKMDInstance *mdInstance, | |
| 307 NSSCKFWInstance *fwInstance) | |
| 308 { | |
| 309 /* This shouldn't ever be called */ | |
| 310 return; | |
| 311 } | |
| 312 | |
| 313 /* | |
| 314 * nss_ckmdSessionObject_Destroy | |
| 315 * | |
| 316 */ | |
| 317 | |
| 318 static CK_RV | |
| 319 nss_ckmdSessionObject_Destroy( | |
| 320 NSSCKMDObject *mdObject, | |
| 321 NSSCKFWObject *fwObject, | |
| 322 NSSCKMDSession *mdSession, | |
| 323 NSSCKFWSession *fwSession, | |
| 324 NSSCKMDToken *mdToken, | |
| 325 NSSCKFWToken *fwToken, | |
| 326 NSSCKMDInstance *mdInstance, | |
| 327 NSSCKFWInstance *fwInstance) | |
| 328 { | |
| 329 #ifdef NSSDEBUG | |
| 330 CK_RV error = CKR_OK; | |
| 331 #endif /* NSSDEBUG */ | |
| 332 nssCKMDSessionObject *mdso; | |
| 333 CK_ULONG i; | |
| 334 | |
| 335 #ifdef NSSDEBUG | |
| 336 error = nss_ckmdSessionObject_verifyPointer(mdObject); | |
| 337 if (CKR_OK != error) { | |
| 338 return error; | |
| 339 } | |
| 340 #endif /* NSSDEBUG */ | |
| 341 | |
| 342 mdso = (nssCKMDSessionObject *)mdObject->etc; | |
| 343 | |
| 344 nssCKFWHash_Remove(mdso->hash, mdObject); | |
| 345 | |
| 346 for (i = 0; i < mdso->n; i++) { | |
| 347 nss_ZFreeIf(mdso->attributes[i].data); | |
| 348 } | |
| 349 nss_ZFreeIf(mdso->attributes); | |
| 350 nss_ZFreeIf(mdso->types); | |
| 351 nss_ZFreeIf(mdso); | |
| 352 nss_ZFreeIf(mdObject); | |
| 353 | |
| 354 #ifdef DEBUG | |
| 355 (void)nss_ckmdSessionObject_remove_pointer(mdObject); | |
| 356 #endif /* DEBUG */ | |
| 357 | |
| 358 return CKR_OK; | |
| 359 } | |
| 360 | |
| 361 /* | |
| 362 * nss_ckmdSessionObject_IsTokenObject | |
| 363 * | |
| 364 */ | |
| 365 | |
| 366 static CK_BBOOL | |
| 367 nss_ckmdSessionObject_IsTokenObject( | |
| 368 NSSCKMDObject *mdObject, | |
| 369 NSSCKFWObject *fwObject, | |
| 370 NSSCKMDSession *mdSession, | |
| 371 NSSCKFWSession *fwSession, | |
| 372 NSSCKMDToken *mdToken, | |
| 373 NSSCKFWToken *fwToken, | |
| 374 NSSCKMDInstance *mdInstance, | |
| 375 NSSCKFWInstance *fwInstance) | |
| 376 { | |
| 377 #ifdef NSSDEBUG | |
| 378 if (CKR_OK != nss_ckmdSessionObject_verifyPointer(mdObject)) { | |
| 379 return CK_FALSE; | |
| 380 } | |
| 381 #endif /* NSSDEBUG */ | |
| 382 | |
| 383 /* | |
| 384 * This implementation is only ever used for session objects. | |
| 385 */ | |
| 386 return CK_FALSE; | |
| 387 } | |
| 388 | |
| 389 /* | |
| 390 * nss_ckmdSessionObject_GetAttributeCount | |
| 391 * | |
| 392 */ | |
| 393 static CK_ULONG | |
| 394 nss_ckmdSessionObject_GetAttributeCount( | |
| 395 NSSCKMDObject *mdObject, | |
| 396 NSSCKFWObject *fwObject, | |
| 397 NSSCKMDSession *mdSession, | |
| 398 NSSCKFWSession *fwSession, | |
| 399 NSSCKMDToken *mdToken, | |
| 400 NSSCKFWToken *fwToken, | |
| 401 NSSCKMDInstance *mdInstance, | |
| 402 NSSCKFWInstance *fwInstance, | |
| 403 CK_RV *pError) | |
| 404 { | |
| 405 nssCKMDSessionObject *obj; | |
| 406 | |
| 407 #ifdef NSSDEBUG | |
| 408 if (!pError) { | |
| 409 return 0; | |
| 410 } | |
| 411 | |
| 412 *pError = nss_ckmdSessionObject_verifyPointer(mdObject); | |
| 413 if (CKR_OK != *pError) { | |
| 414 return 0; | |
| 415 } | |
| 416 | |
| 417 /* We could even check all the other arguments, for sanity. */ | |
| 418 #endif /* NSSDEBUG */ | |
| 419 | |
| 420 obj = (nssCKMDSessionObject *)mdObject->etc; | |
| 421 | |
| 422 return obj->n; | |
| 423 } | |
| 424 | |
| 425 /* | |
| 426 * nss_ckmdSessionObject_GetAttributeTypes | |
| 427 * | |
| 428 */ | |
| 429 static CK_RV | |
| 430 nss_ckmdSessionObject_GetAttributeTypes( | |
| 431 NSSCKMDObject *mdObject, | |
| 432 NSSCKFWObject *fwObject, | |
| 433 NSSCKMDSession *mdSession, | |
| 434 NSSCKFWSession *fwSession, | |
| 435 NSSCKMDToken *mdToken, | |
| 436 NSSCKFWToken *fwToken, | |
| 437 NSSCKMDInstance *mdInstance, | |
| 438 NSSCKFWInstance *fwInstance, | |
| 439 CK_ATTRIBUTE_TYPE_PTR typeArray, | |
| 440 CK_ULONG ulCount) | |
| 441 { | |
| 442 #ifdef NSSDEBUG | |
| 443 CK_RV error = CKR_OK; | |
| 444 #endif /* NSSDEBUG */ | |
| 445 nssCKMDSessionObject *obj; | |
| 446 | |
| 447 #ifdef NSSDEBUG | |
| 448 error = nss_ckmdSessionObject_verifyPointer(mdObject); | |
| 449 if (CKR_OK != error) { | |
| 450 return error; | |
| 451 } | |
| 452 | |
| 453 /* We could even check all the other arguments, for sanity. */ | |
| 454 #endif /* NSSDEBUG */ | |
| 455 | |
| 456 obj = (nssCKMDSessionObject *)mdObject->etc; | |
| 457 | |
| 458 if (ulCount < obj->n) { | |
| 459 return CKR_BUFFER_TOO_SMALL; | |
| 460 } | |
| 461 | |
| 462 (void)nsslibc_memcpy(typeArray, obj->types, | |
| 463 sizeof(CK_ATTRIBUTE_TYPE) * | |
| 464 obj->n); | |
| 465 | |
| 466 return CKR_OK; | |
| 467 } | |
| 468 | |
| 469 /* | |
| 470 * nss_ckmdSessionObject_GetAttributeSize | |
| 471 * | |
| 472 */ | |
| 473 static CK_ULONG | |
| 474 nss_ckmdSessionObject_GetAttributeSize( | |
| 475 NSSCKMDObject *mdObject, | |
| 476 NSSCKFWObject *fwObject, | |
| 477 NSSCKMDSession *mdSession, | |
| 478 NSSCKFWSession *fwSession, | |
| 479 NSSCKMDToken *mdToken, | |
| 480 NSSCKFWToken *fwToken, | |
| 481 NSSCKMDInstance *mdInstance, | |
| 482 NSSCKFWInstance *fwInstance, | |
| 483 CK_ATTRIBUTE_TYPE attribute, | |
| 484 CK_RV *pError) | |
| 485 { | |
| 486 nssCKMDSessionObject *obj; | |
| 487 CK_ULONG i; | |
| 488 | |
| 489 #ifdef NSSDEBUG | |
| 490 if (!pError) { | |
| 491 return 0; | |
| 492 } | |
| 493 | |
| 494 *pError = nss_ckmdSessionObject_verifyPointer(mdObject); | |
| 495 if (CKR_OK != *pError) { | |
| 496 return 0; | |
| 497 } | |
| 498 | |
| 499 /* We could even check all the other arguments, for sanity. */ | |
| 500 #endif /* NSSDEBUG */ | |
| 501 | |
| 502 obj = (nssCKMDSessionObject *)mdObject->etc; | |
| 503 | |
| 504 for (i = 0; i < obj->n; i++) { | |
| 505 if (attribute == obj->types[i]) { | |
| 506 return (CK_ULONG)(obj->attributes[i].size); | |
| 507 } | |
| 508 } | |
| 509 | |
| 510 *pError = CKR_ATTRIBUTE_TYPE_INVALID; | |
| 511 return 0; | |
| 512 } | |
| 513 | |
| 514 /* | |
| 515 * nss_ckmdSessionObject_GetAttribute | |
| 516 * | |
| 517 */ | |
| 518 static NSSCKFWItem | |
| 519 nss_ckmdSessionObject_GetAttribute( | |
| 520 NSSCKMDObject *mdObject, | |
| 521 NSSCKFWObject *fwObject, | |
| 522 NSSCKMDSession *mdSession, | |
| 523 NSSCKFWSession *fwSession, | |
| 524 NSSCKMDToken *mdToken, | |
| 525 NSSCKFWToken *fwToken, | |
| 526 NSSCKMDInstance *mdInstance, | |
| 527 NSSCKFWInstance *fwInstance, | |
| 528 CK_ATTRIBUTE_TYPE attribute, | |
| 529 CK_RV *pError) | |
| 530 { | |
| 531 NSSCKFWItem item; | |
| 532 nssCKMDSessionObject *obj; | |
| 533 CK_ULONG i; | |
| 534 | |
| 535 item.needsFreeing = PR_FALSE; | |
| 536 item.item = NULL; | |
| 537 #ifdef NSSDEBUG | |
| 538 if (!pError) { | |
| 539 return item; | |
| 540 } | |
| 541 | |
| 542 *pError = nss_ckmdSessionObject_verifyPointer(mdObject); | |
| 543 if (CKR_OK != *pError) { | |
| 544 return item; | |
| 545 } | |
| 546 | |
| 547 /* We could even check all the other arguments, for sanity. */ | |
| 548 #endif /* NSSDEBUG */ | |
| 549 | |
| 550 obj = (nssCKMDSessionObject *)mdObject->etc; | |
| 551 | |
| 552 for (i = 0; i < obj->n; i++) { | |
| 553 if (attribute == obj->types[i]) { | |
| 554 item.item = &obj->attributes[i]; | |
| 555 return item; | |
| 556 } | |
| 557 } | |
| 558 | |
| 559 *pError = CKR_ATTRIBUTE_TYPE_INVALID; | |
| 560 return item; | |
| 561 } | |
| 562 | |
| 563 /* | |
| 564 * nss_ckmdSessionObject_SetAttribute | |
| 565 * | |
| 566 */ | |
| 567 | |
| 568 /* | |
| 569 * Okay, so this implementation sucks. It doesn't support removing | |
| 570 * an attribute (if value == NULL), and could be more graceful about | |
| 571 * memory. It should allow "blank" slots in the arrays, with some | |
| 572 * invalid attribute type, and then it could support removal much | |
| 573 * more easily. Do this later. | |
| 574 */ | |
| 575 static CK_RV | |
| 576 nss_ckmdSessionObject_SetAttribute( | |
| 577 NSSCKMDObject *mdObject, | |
| 578 NSSCKFWObject *fwObject, | |
| 579 NSSCKMDSession *mdSession, | |
| 580 NSSCKFWSession *fwSession, | |
| 581 NSSCKMDToken *mdToken, | |
| 582 NSSCKFWToken *fwToken, | |
| 583 NSSCKMDInstance *mdInstance, | |
| 584 NSSCKFWInstance *fwInstance, | |
| 585 CK_ATTRIBUTE_TYPE attribute, | |
| 586 NSSItem *value) | |
| 587 { | |
| 588 nssCKMDSessionObject *obj; | |
| 589 CK_ULONG i; | |
| 590 NSSItem n; | |
| 591 NSSItem *ra; | |
| 592 CK_ATTRIBUTE_TYPE_PTR rt; | |
| 593 #ifdef NSSDEBUG | |
| 594 CK_RV error; | |
| 595 #endif /* NSSDEBUG */ | |
| 596 | |
| 597 #ifdef NSSDEBUG | |
| 598 error = nss_ckmdSessionObject_verifyPointer(mdObject); | |
| 599 if (CKR_OK != error) { | |
| 600 return 0; | |
| 601 } | |
| 602 | |
| 603 /* We could even check all the other arguments, for sanity. */ | |
| 604 #endif /* NSSDEBUG */ | |
| 605 | |
| 606 obj = (nssCKMDSessionObject *)mdObject->etc; | |
| 607 | |
| 608 n.size = value->size; | |
| 609 n.data = nss_ZAlloc(obj->arena, n.size); | |
| 610 if (!n.data) { | |
| 611 return CKR_HOST_MEMORY; | |
| 612 } | |
| 613 (void)nsslibc_memcpy(n.data, value->data, n.size); | |
| 614 | |
| 615 for (i = 0; i < obj->n; i++) { | |
| 616 if (attribute == obj->types[i]) { | |
| 617 nss_ZFreeIf(obj->attributes[i].data); | |
| 618 obj->attributes[i] = n; | |
| 619 return CKR_OK; | |
| 620 } | |
| 621 } | |
| 622 | |
| 623 /* | |
| 624 * It's new. | |
| 625 */ | |
| 626 | |
| 627 ra = (NSSItem *)nss_ZRealloc(obj->attributes, sizeof(NSSItem) * (obj->n + 1)
); | |
| 628 if (!ra) { | |
| 629 nss_ZFreeIf(n.data); | |
| 630 return CKR_HOST_MEMORY; | |
| 631 } | |
| 632 obj->attributes = ra; | |
| 633 | |
| 634 rt = (CK_ATTRIBUTE_TYPE_PTR)nss_ZRealloc(obj->types, | |
| 635 sizeof(CK_ATTRIBUTE_TYPE) * (obj->n
+ 1)); | |
| 636 if (!rt) { | |
| 637 nss_ZFreeIf(n.data); | |
| 638 return CKR_HOST_MEMORY; | |
| 639 } | |
| 640 | |
| 641 obj->types = rt; | |
| 642 obj->attributes[obj->n] = n; | |
| 643 obj->types[obj->n] = attribute; | |
| 644 obj->n++; | |
| 645 | |
| 646 return CKR_OK; | |
| 647 } | |
| 648 | |
| 649 /* | |
| 650 * nss_ckmdSessionObject_GetObjectSize | |
| 651 * | |
| 652 */ | |
| 653 static CK_ULONG | |
| 654 nss_ckmdSessionObject_GetObjectSize( | |
| 655 NSSCKMDObject *mdObject, | |
| 656 NSSCKFWObject *fwObject, | |
| 657 NSSCKMDSession *mdSession, | |
| 658 NSSCKFWSession *fwSession, | |
| 659 NSSCKMDToken *mdToken, | |
| 660 NSSCKFWToken *fwToken, | |
| 661 NSSCKMDInstance *mdInstance, | |
| 662 NSSCKFWInstance *fwInstance, | |
| 663 CK_RV *pError) | |
| 664 { | |
| 665 nssCKMDSessionObject *obj; | |
| 666 CK_ULONG i; | |
| 667 CK_ULONG rv = (CK_ULONG)0; | |
| 668 | |
| 669 #ifdef NSSDEBUG | |
| 670 if (!pError) { | |
| 671 return 0; | |
| 672 } | |
| 673 | |
| 674 *pError = nss_ckmdSessionObject_verifyPointer(mdObject); | |
| 675 if (CKR_OK != *pError) { | |
| 676 return 0; | |
| 677 } | |
| 678 | |
| 679 /* We could even check all the other arguments, for sanity. */ | |
| 680 #endif /* NSSDEBUG */ | |
| 681 | |
| 682 obj = (nssCKMDSessionObject *)mdObject->etc; | |
| 683 | |
| 684 for (i = 0; i < obj->n; i++) { | |
| 685 rv += obj->attributes[i].size; | |
| 686 } | |
| 687 | |
| 688 rv += sizeof(NSSItem) * obj->n; | |
| 689 rv += sizeof(CK_ATTRIBUTE_TYPE) * obj->n; | |
| 690 rv += sizeof(nssCKMDSessionObject); | |
| 691 | |
| 692 return rv; | |
| 693 } | |
| 694 | |
| 695 /* | |
| 696 * nssCKMDFindSessionObjects | |
| 697 * | |
| 698 * -- create -- | |
| 699 * nssCKMDFindSessionObjects_Create | |
| 700 * | |
| 701 * -- EPV calls -- | |
| 702 * nss_ckmdFindSessionObjects_Final | |
| 703 * nss_ckmdFindSessionObjects_Next | |
| 704 */ | |
| 705 | |
| 706 struct nodeStr { | |
| 707 struct nodeStr *next; | |
| 708 NSSCKMDObject *mdObject; | |
| 709 }; | |
| 710 | |
| 711 struct nssCKMDFindSessionObjectsStr { | |
| 712 NSSArena *arena; | |
| 713 CK_RV error; | |
| 714 CK_ATTRIBUTE_PTR pTemplate; | |
| 715 CK_ULONG ulCount; | |
| 716 struct nodeStr *list; | |
| 717 nssCKFWHash *hash; | |
| 718 }; | |
| 719 typedef struct nssCKMDFindSessionObjectsStr nssCKMDFindSessionObjects; | |
| 720 | |
| 721 #ifdef DEBUG | |
| 722 /* | |
| 723 * But first, the pointer-tracking stuff. | |
| 724 * | |
| 725 * NOTE: the pointer-tracking support in NSS/base currently relies | |
| 726 * upon NSPR's CallOnce support. That, however, relies upon NSPR's | |
| 727 * locking, which is tied into the runtime. We need a pointer-tracker | |
| 728 * implementation that uses the locks supplied through C_Initialize. | |
| 729 * That support, however, can be filled in later. So for now, I'll | |
| 730 * just do this routines as no-ops. | |
| 731 */ | |
| 732 | |
| 733 static CK_RV | |
| 734 nss_ckmdFindSessionObjects_add_pointer( | |
| 735 const NSSCKMDFindObjects *mdFindObjects) | |
| 736 { | |
| 737 return CKR_OK; | |
| 738 } | |
| 739 | |
| 740 static CK_RV | |
| 741 nss_ckmdFindSessionObjects_remove_pointer( | |
| 742 const NSSCKMDFindObjects *mdFindObjects) | |
| 743 { | |
| 744 return CKR_OK; | |
| 745 } | |
| 746 | |
| 747 #ifdef NSS_DEBUG | |
| 748 static CK_RV | |
| 749 nss_ckmdFindSessionObjects_verifyPointer( | |
| 750 const NSSCKMDFindObjects *mdFindObjects) | |
| 751 { | |
| 752 return CKR_OK; | |
| 753 } | |
| 754 #endif | |
| 755 | |
| 756 #endif /* DEBUG */ | |
| 757 | |
| 758 /* | |
| 759 * We must forward-declare these routines. | |
| 760 */ | |
| 761 static void | |
| 762 nss_ckmdFindSessionObjects_Final( | |
| 763 NSSCKMDFindObjects *mdFindObjects, | |
| 764 NSSCKFWFindObjects *fwFindObjects, | |
| 765 NSSCKMDSession *mdSession, | |
| 766 NSSCKFWSession *fwSession, | |
| 767 NSSCKMDToken *mdToken, | |
| 768 NSSCKFWToken *fwToken, | |
| 769 NSSCKMDInstance *mdInstance, | |
| 770 NSSCKFWInstance *fwInstance); | |
| 771 | |
| 772 static NSSCKMDObject * | |
| 773 nss_ckmdFindSessionObjects_Next( | |
| 774 NSSCKMDFindObjects *mdFindObjects, | |
| 775 NSSCKFWFindObjects *fwFindObjects, | |
| 776 NSSCKMDSession *mdSession, | |
| 777 NSSCKFWSession *fwSession, | |
| 778 NSSCKMDToken *mdToken, | |
| 779 NSSCKFWToken *fwToken, | |
| 780 NSSCKMDInstance *mdInstance, | |
| 781 NSSCKFWInstance *fwInstance, | |
| 782 NSSArena *arena, | |
| 783 CK_RV *pError); | |
| 784 | |
| 785 static CK_BBOOL | |
| 786 items_match( | |
| 787 NSSItem *a, | |
| 788 CK_VOID_PTR pValue, | |
| 789 CK_ULONG ulValueLen) | |
| 790 { | |
| 791 if (a->size != ulValueLen) { | |
| 792 return CK_FALSE; | |
| 793 } | |
| 794 | |
| 795 if (PR_TRUE == nsslibc_memequal(a->data, pValue, ulValueLen, (PRStatus *)NUL
L)) { | |
| 796 return CK_TRUE; | |
| 797 } else { | |
| 798 return CK_FALSE; | |
| 799 } | |
| 800 } | |
| 801 | |
| 802 /* | |
| 803 * Our hashtable iterator | |
| 804 */ | |
| 805 static void | |
| 806 findfcn( | |
| 807 const void *key, | |
| 808 void *value, | |
| 809 void *closure) | |
| 810 { | |
| 811 NSSCKMDObject *mdObject = (NSSCKMDObject *)value; | |
| 812 nssCKMDSessionObject *mdso = (nssCKMDSessionObject *)mdObject->etc; | |
| 813 nssCKMDFindSessionObjects *mdfso = (nssCKMDFindSessionObjects *)closure; | |
| 814 CK_ULONG i, j; | |
| 815 struct nodeStr *node; | |
| 816 | |
| 817 if (CKR_OK != mdfso->error) { | |
| 818 return; | |
| 819 } | |
| 820 | |
| 821 for (i = 0; i < mdfso->ulCount; i++) { | |
| 822 CK_ATTRIBUTE_PTR p = &mdfso->pTemplate[i]; | |
| 823 | |
| 824 for (j = 0; j < mdso->n; j++) { | |
| 825 if (mdso->types[j] == p->type) { | |
| 826 if (!items_match(&mdso->attributes[j], p->pValue, p->ulValueLen)
) { | |
| 827 return; | |
| 828 } else { | |
| 829 break; | |
| 830 } | |
| 831 } | |
| 832 } | |
| 833 | |
| 834 if (j == mdso->n) { | |
| 835 /* Attribute not found */ | |
| 836 return; | |
| 837 } | |
| 838 } | |
| 839 | |
| 840 /* Matches */ | |
| 841 node = nss_ZNEW(mdfso->arena, struct nodeStr); | |
| 842 if ((struct nodeStr *)NULL == node) { | |
| 843 mdfso->error = CKR_HOST_MEMORY; | |
| 844 return; | |
| 845 } | |
| 846 | |
| 847 node->mdObject = mdObject; | |
| 848 node->next = mdfso->list; | |
| 849 mdfso->list = node; | |
| 850 | |
| 851 return; | |
| 852 } | |
| 853 | |
| 854 /* | |
| 855 * nssCKMDFindSessionObjects_Create | |
| 856 * | |
| 857 */ | |
| 858 NSS_IMPLEMENT NSSCKMDFindObjects * | |
| 859 nssCKMDFindSessionObjects_Create( | |
| 860 NSSCKFWToken *fwToken, | |
| 861 CK_ATTRIBUTE_PTR pTemplate, | |
| 862 CK_ULONG ulCount, | |
| 863 CK_RV *pError) | |
| 864 { | |
| 865 NSSArena *arena; | |
| 866 nssCKMDFindSessionObjects *mdfso; | |
| 867 nssCKFWHash *hash; | |
| 868 NSSCKMDFindObjects *rv; | |
| 869 | |
| 870 #ifdef NSSDEBUG | |
| 871 if (!pError) { | |
| 872 return (NSSCKMDFindObjects *)NULL; | |
| 873 } | |
| 874 | |
| 875 *pError = nssCKFWToken_verifyPointer(fwToken); | |
| 876 if (CKR_OK != *pError) { | |
| 877 return (NSSCKMDFindObjects *)NULL; | |
| 878 } | |
| 879 | |
| 880 if ((CK_ATTRIBUTE_PTR)NULL == pTemplate) { | |
| 881 *pError = CKR_ARGUMENTS_BAD; | |
| 882 return (NSSCKMDFindObjects *)NULL; | |
| 883 } | |
| 884 #endif /* NSSDEBUG */ | |
| 885 | |
| 886 *pError = CKR_OK; | |
| 887 | |
| 888 hash = nssCKFWToken_GetSessionObjectHash(fwToken); | |
| 889 if (!hash) { | |
| 890 *pError = CKR_GENERAL_ERROR; | |
| 891 return (NSSCKMDFindObjects *)NULL; | |
| 892 } | |
| 893 | |
| 894 arena = NSSArena_Create(); | |
| 895 if (!arena) { | |
| 896 *pError = CKR_HOST_MEMORY; | |
| 897 return (NSSCKMDFindObjects *)NULL; | |
| 898 } | |
| 899 | |
| 900 mdfso = nss_ZNEW(arena, nssCKMDFindSessionObjects); | |
| 901 if (!mdfso) { | |
| 902 goto loser; | |
| 903 } | |
| 904 | |
| 905 rv = nss_ZNEW(arena, NSSCKMDFindObjects); | |
| 906 if (rv == NULL) { | |
| 907 goto loser; | |
| 908 } | |
| 909 | |
| 910 mdfso->error = CKR_OK; | |
| 911 mdfso->pTemplate = pTemplate; | |
| 912 mdfso->ulCount = ulCount; | |
| 913 mdfso->hash = hash; | |
| 914 | |
| 915 nssCKFWHash_Iterate(hash, findfcn, mdfso); | |
| 916 | |
| 917 if (CKR_OK != mdfso->error) { | |
| 918 goto loser; | |
| 919 } | |
| 920 | |
| 921 rv->etc = (void *)mdfso; | |
| 922 rv->Final = nss_ckmdFindSessionObjects_Final; | |
| 923 rv->Next = nss_ckmdFindSessionObjects_Next; | |
| 924 | |
| 925 #ifdef DEBUG | |
| 926 if ((*pError = nss_ckmdFindSessionObjects_add_pointer(rv)) != CKR_OK) { | |
| 927 goto loser; | |
| 928 } | |
| 929 #endif /* DEBUG */ | |
| 930 mdfso->arena = arena; | |
| 931 | |
| 932 return rv; | |
| 933 | |
| 934 loser: | |
| 935 if (arena) { | |
| 936 NSSArena_Destroy(arena); | |
| 937 } | |
| 938 if (*pError == CKR_OK) { | |
| 939 *pError = CKR_HOST_MEMORY; | |
| 940 } | |
| 941 return NULL; | |
| 942 } | |
| 943 | |
| 944 static void | |
| 945 nss_ckmdFindSessionObjects_Final( | |
| 946 NSSCKMDFindObjects *mdFindObjects, | |
| 947 NSSCKFWFindObjects *fwFindObjects, | |
| 948 NSSCKMDSession *mdSession, | |
| 949 NSSCKFWSession *fwSession, | |
| 950 NSSCKMDToken *mdToken, | |
| 951 NSSCKFWToken *fwToken, | |
| 952 NSSCKMDInstance *mdInstance, | |
| 953 NSSCKFWInstance *fwInstance) | |
| 954 { | |
| 955 nssCKMDFindSessionObjects *mdfso; | |
| 956 | |
| 957 #ifdef NSSDEBUG | |
| 958 if (CKR_OK != nss_ckmdFindSessionObjects_verifyPointer(mdFindObjects)) { | |
| 959 return; | |
| 960 } | |
| 961 #endif /* NSSDEBUG */ | |
| 962 | |
| 963 mdfso = (nssCKMDFindSessionObjects *)mdFindObjects->etc; | |
| 964 if (mdfso->arena) | |
| 965 NSSArena_Destroy(mdfso->arena); | |
| 966 | |
| 967 #ifdef DEBUG | |
| 968 (void)nss_ckmdFindSessionObjects_remove_pointer(mdFindObjects); | |
| 969 #endif /* DEBUG */ | |
| 970 | |
| 971 return; | |
| 972 } | |
| 973 | |
| 974 static NSSCKMDObject * | |
| 975 nss_ckmdFindSessionObjects_Next( | |
| 976 NSSCKMDFindObjects *mdFindObjects, | |
| 977 NSSCKFWFindObjects *fwFindObjects, | |
| 978 NSSCKMDSession *mdSession, | |
| 979 NSSCKFWSession *fwSession, | |
| 980 NSSCKMDToken *mdToken, | |
| 981 NSSCKFWToken *fwToken, | |
| 982 NSSCKMDInstance *mdInstance, | |
| 983 NSSCKFWInstance *fwInstance, | |
| 984 NSSArena *arena, | |
| 985 CK_RV *pError) | |
| 986 { | |
| 987 nssCKMDFindSessionObjects *mdfso; | |
| 988 NSSCKMDObject *rv = (NSSCKMDObject *)NULL; | |
| 989 | |
| 990 #ifdef NSSDEBUG | |
| 991 if (CKR_OK != nss_ckmdFindSessionObjects_verifyPointer(mdFindObjects)) { | |
| 992 return (NSSCKMDObject *)NULL; | |
| 993 } | |
| 994 #endif /* NSSDEBUG */ | |
| 995 | |
| 996 mdfso = (nssCKMDFindSessionObjects *)mdFindObjects->etc; | |
| 997 | |
| 998 while (!rv) { | |
| 999 if ((struct nodeStr *)NULL == mdfso->list) { | |
| 1000 *pError = CKR_OK; | |
| 1001 return (NSSCKMDObject *)NULL; | |
| 1002 } | |
| 1003 | |
| 1004 if (nssCKFWHash_Exists(mdfso->hash, mdfso->list->mdObject)) { | |
| 1005 rv = mdfso->list->mdObject; | |
| 1006 } | |
| 1007 | |
| 1008 mdfso->list = mdfso->list->next; | |
| 1009 } | |
| 1010 | |
| 1011 return rv; | |
| 1012 } | |
| OLD | NEW |
|---|
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