IDrmManagerService.cpp revision 8f00151cbe693d52f3e233757c57fab3b6396d21
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17//#define LOG_NDEBUG 0 18#define LOG_TAG "IDrmManagerService(Native)" 19#include <utils/Log.h> 20 21#include <stdint.h> 22#include <sys/types.h> 23#include <binder/IPCThreadState.h> 24 25#include <drm/DrmInfo.h> 26#include <drm/DrmConstraints.h> 27#include <drm/DrmMetadata.h> 28#include <drm/DrmRights.h> 29#include <drm/DrmInfoStatus.h> 30#include <drm/DrmConvertedStatus.h> 31#include <drm/DrmInfoRequest.h> 32#include <drm/DrmSupportInfo.h> 33 34#include "IDrmManagerService.h" 35 36#define INVALID_BUFFER_LENGTH -1 37 38using namespace android; 39 40static void writeDecryptHandleToParcelData( 41 const DecryptHandle* handle, Parcel* data) { 42 data->writeInt32(handle->decryptId); 43 data->writeString8(handle->mimeType); 44 data->writeInt32(handle->decryptApiType); 45 data->writeInt32(handle->status); 46 47 int size = handle->copyControlVector.size(); 48 data->writeInt32(size); 49 for (int i = 0; i < size; i++) { 50 data->writeInt32(handle->copyControlVector.keyAt(i)); 51 data->writeInt32(handle->copyControlVector.valueAt(i)); 52 } 53 54 size = handle->extendedData.size(); 55 data->writeInt32(size); 56 for (int i = 0; i < size; i++) { 57 data->writeString8(handle->extendedData.keyAt(i)); 58 data->writeString8(handle->extendedData.valueAt(i)); 59 } 60 61 if (NULL != handle->decryptInfo) { 62 data->writeInt32(handle->decryptInfo->decryptBufferLength); 63 } else { 64 data->writeInt32(INVALID_BUFFER_LENGTH); 65 } 66} 67 68static void readDecryptHandleFromParcelData( 69 DecryptHandle* handle, const Parcel& data) { 70 if (0 == data.dataAvail()) { 71 return; 72 } 73 74 handle->decryptId = data.readInt32(); 75 handle->mimeType = data.readString8(); 76 handle->decryptApiType = data.readInt32(); 77 handle->status = data.readInt32(); 78 79 int size = data.readInt32(); 80 for (int i = 0; i < size; i++) { 81 DrmCopyControl key = (DrmCopyControl)data.readInt32(); 82 int value = data.readInt32(); 83 handle->copyControlVector.add(key, value); 84 } 85 86 size = data.readInt32(); 87 for (int i = 0; i < size; i++) { 88 String8 key = data.readString8(); 89 String8 value = data.readString8(); 90 handle->extendedData.add(key, value); 91 } 92 93 handle->decryptInfo = NULL; 94 const int bufferLen = data.readInt32(); 95 if (INVALID_BUFFER_LENGTH != bufferLen) { 96 handle->decryptInfo = new DecryptInfo(); 97 handle->decryptInfo->decryptBufferLength = bufferLen; 98 } 99} 100 101static void clearDecryptHandle(DecryptHandle* handle) { 102 if (handle == NULL) { 103 return; 104 } 105 if (handle->decryptInfo) { 106 delete handle->decryptInfo; 107 handle->decryptInfo = NULL; 108 } 109 handle->copyControlVector.clear(); 110 handle->extendedData.clear(); 111} 112 113int BpDrmManagerService::addUniqueId(bool isNative) { 114 LOGV("add uniqueid"); 115 Parcel data, reply; 116 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 117 data.writeInt32(isNative); 118 remote()->transact(ADD_UNIQUEID, data, &reply); 119 return reply.readInt32(); 120} 121 122void BpDrmManagerService::removeUniqueId(int uniqueId) { 123 LOGV("remove uniqueid"); 124 Parcel data, reply; 125 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 126 data.writeInt32(uniqueId); 127 remote()->transact(REMOVE_UNIQUEID, data, &reply); 128} 129 130void BpDrmManagerService::addClient(int uniqueId) { 131 Parcel data, reply; 132 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 133 data.writeInt32(uniqueId); 134 remote()->transact(ADD_CLIENT, data, &reply); 135} 136 137void BpDrmManagerService::removeClient(int uniqueId) { 138 Parcel data, reply; 139 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 140 data.writeInt32(uniqueId); 141 remote()->transact(REMOVE_CLIENT, data, &reply); 142} 143 144status_t BpDrmManagerService::setDrmServiceListener( 145 int uniqueId, const sp<IDrmServiceListener>& drmServiceListener) { 146 LOGV("setDrmServiceListener"); 147 Parcel data, reply; 148 149 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 150 data.writeInt32(uniqueId); 151 data.writeStrongBinder(drmServiceListener->asBinder()); 152 remote()->transact(SET_DRM_SERVICE_LISTENER, data, &reply); 153 return reply.readInt32(); 154} 155 156status_t BpDrmManagerService::installDrmEngine(int uniqueId, const String8& drmEngineFile) { 157 LOGV("Install DRM Engine"); 158 Parcel data, reply; 159 160 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 161 data.writeInt32(uniqueId); 162 data.writeString8(drmEngineFile); 163 164 remote()->transact(INSTALL_DRM_ENGINE, data, &reply); 165 return reply.readInt32(); 166} 167 168DrmConstraints* BpDrmManagerService::getConstraints( 169 int uniqueId, const String8* path, const int action) { 170 LOGV("Get Constraints"); 171 Parcel data, reply; 172 173 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 174 data.writeInt32(uniqueId); 175 data.writeString8(*path); 176 data.writeInt32(action); 177 178 remote()->transact(GET_CONSTRAINTS_FROM_CONTENT, data, &reply); 179 180 DrmConstraints* drmConstraints = NULL; 181 if (0 != reply.dataAvail()) { 182 //Filling Drm Constraints 183 drmConstraints = new DrmConstraints(); 184 185 const int size = reply.readInt32(); 186 for (int index = 0; index < size; ++index) { 187 const String8 key(reply.readString8()); 188 const int bufferSize = reply.readInt32(); 189 char* data = NULL; 190 if (0 < bufferSize) { 191 data = new char[bufferSize]; 192 reply.read(data, bufferSize); 193 } 194 drmConstraints->put(&key, data); 195 } 196 } 197 return drmConstraints; 198} 199 200DrmMetadata* BpDrmManagerService::getMetadata(int uniqueId, const String8* path) { 201 LOGV("Get Metadata"); 202 Parcel data, reply; 203 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 204 data.writeInt32(uniqueId); 205 206 DrmMetadata* drmMetadata = NULL; 207 data.writeString8(*path); 208 remote()->transact(GET_METADATA_FROM_CONTENT, data, &reply); 209 210 if (0 != reply.dataAvail()) { 211 //Filling Drm Metadata 212 drmMetadata = new DrmMetadata(); 213 214 const int size = reply.readInt32(); 215 for (int index = 0; index < size; ++index) { 216 const String8 key(reply.readString8()); 217 const int bufferSize = reply.readInt32(); 218 char* data = NULL; 219 if (0 < bufferSize) { 220 data = new char[bufferSize]; 221 reply.read(data, bufferSize); 222 } 223 drmMetadata->put(&key, data); 224 } 225 } 226 return drmMetadata; 227} 228 229bool BpDrmManagerService::canHandle(int uniqueId, const String8& path, const String8& mimeType) { 230 LOGV("Can Handle"); 231 Parcel data, reply; 232 233 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 234 data.writeInt32(uniqueId); 235 236 data.writeString8(path); 237 data.writeString8(mimeType); 238 239 remote()->transact(CAN_HANDLE, data, &reply); 240 241 return static_cast<bool>(reply.readInt32()); 242} 243 244DrmInfoStatus* BpDrmManagerService::processDrmInfo(int uniqueId, const DrmInfo* drmInfo) { 245 LOGV("Process DRM Info"); 246 Parcel data, reply; 247 248 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 249 data.writeInt32(uniqueId); 250 251 //Filling DRM info 252 data.writeInt32(drmInfo->getInfoType()); 253 const DrmBuffer dataBuffer = drmInfo->getData(); 254 const int dataBufferSize = dataBuffer.length; 255 data.writeInt32(dataBufferSize); 256 if (0 < dataBufferSize) { 257 data.write(dataBuffer.data, dataBufferSize); 258 } 259 data.writeString8(drmInfo->getMimeType()); 260 261 data.writeInt32(drmInfo->getCount()); 262 DrmInfo::KeyIterator keyIt = drmInfo->keyIterator(); 263 264 while (keyIt.hasNext()) { 265 const String8 key = keyIt.next(); 266 data.writeString8(key); 267 const String8 value = drmInfo->get(key); 268 data.writeString8((value == String8("")) ? String8("NULL") : value); 269 } 270 271 remote()->transact(PROCESS_DRM_INFO, data, &reply); 272 273 DrmInfoStatus* drmInfoStatus = NULL; 274 if (0 != reply.dataAvail()) { 275 //Filling DRM Info Status 276 const int statusCode = reply.readInt32(); 277 const int infoType = reply.readInt32(); 278 const String8 mimeType = reply.readString8(); 279 280 DrmBuffer* drmBuffer = NULL; 281 if (0 != reply.dataAvail()) { 282 const int bufferSize = reply.readInt32(); 283 char* data = NULL; 284 if (0 < bufferSize) { 285 data = new char[bufferSize]; 286 reply.read(data, bufferSize); 287 } 288 drmBuffer = new DrmBuffer(data, bufferSize); 289 } 290 drmInfoStatus = new DrmInfoStatus(statusCode, infoType, drmBuffer, mimeType); 291 } 292 return drmInfoStatus; 293} 294 295DrmInfo* BpDrmManagerService::acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest) { 296 LOGV("Acquire DRM Info"); 297 Parcel data, reply; 298 299 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 300 data.writeInt32(uniqueId); 301 302 //Filling DRM Info Request 303 data.writeInt32(drmInforequest->getInfoType()); 304 data.writeString8(drmInforequest->getMimeType()); 305 306 data.writeInt32(drmInforequest->getCount()); 307 DrmInfoRequest::KeyIterator keyIt = drmInforequest->keyIterator(); 308 309 while (keyIt.hasNext()) { 310 const String8 key = keyIt.next(); 311 data.writeString8(key); 312 const String8 value = drmInforequest->get(key); 313 data.writeString8((value == String8("")) ? String8("NULL") : value); 314 } 315 316 remote()->transact(ACQUIRE_DRM_INFO, data, &reply); 317 318 DrmInfo* drmInfo = NULL; 319 if (0 != reply.dataAvail()) { 320 //Filling DRM Info 321 const int infoType = reply.readInt32(); 322 const int bufferSize = reply.readInt32(); 323 char* data = NULL; 324 325 if (0 < bufferSize) { 326 data = new char[bufferSize]; 327 reply.read(data, bufferSize); 328 } 329 drmInfo = new DrmInfo(infoType, DrmBuffer(data, bufferSize), reply.readString8()); 330 331 const int size = reply.readInt32(); 332 for (int index = 0; index < size; ++index) { 333 const String8 key(reply.readString8()); 334 const String8 value(reply.readString8()); 335 drmInfo->put(key, (value == String8("NULL")) ? String8("") : value); 336 } 337 } 338 return drmInfo; 339} 340 341status_t BpDrmManagerService::saveRights( 342 int uniqueId, const DrmRights& drmRights, 343 const String8& rightsPath, const String8& contentPath) { 344 LOGV("Save Rights"); 345 Parcel data, reply; 346 347 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 348 data.writeInt32(uniqueId); 349 350 //Filling Drm Rights 351 const DrmBuffer dataBuffer = drmRights.getData(); 352 data.writeInt32(dataBuffer.length); 353 data.write(dataBuffer.data, dataBuffer.length); 354 355 const String8 mimeType = drmRights.getMimeType(); 356 data.writeString8((mimeType == String8("")) ? String8("NULL") : mimeType); 357 358 const String8 accountId = drmRights.getAccountId(); 359 data.writeString8((accountId == String8("")) ? String8("NULL") : accountId); 360 361 const String8 subscriptionId = drmRights.getSubscriptionId(); 362 data.writeString8((subscriptionId == String8("")) ? String8("NULL") : subscriptionId); 363 364 data.writeString8((rightsPath == String8("")) ? String8("NULL") : rightsPath); 365 data.writeString8((contentPath == String8("")) ? String8("NULL") : contentPath); 366 367 remote()->transact(SAVE_RIGHTS, data, &reply); 368 return reply.readInt32(); 369} 370 371String8 BpDrmManagerService::getOriginalMimeType(int uniqueId, const String8& path) { 372 LOGV("Get Original MimeType"); 373 Parcel data, reply; 374 375 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 376 data.writeInt32(uniqueId); 377 data.writeString8(path); 378 379 remote()->transact(GET_ORIGINAL_MIMETYPE, data, &reply); 380 return reply.readString8(); 381} 382 383int BpDrmManagerService::getDrmObjectType( 384 int uniqueId, const String8& path, const String8& mimeType) { 385 LOGV("Get Drm object type"); 386 Parcel data, reply; 387 388 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 389 data.writeInt32(uniqueId); 390 data.writeString8(path); 391 data.writeString8(mimeType); 392 393 remote()->transact(GET_DRM_OBJECT_TYPE, data, &reply); 394 395 return reply.readInt32(); 396} 397 398int BpDrmManagerService::checkRightsStatus(int uniqueId, const String8& path, int action) { 399 LOGV("checkRightsStatus"); 400 Parcel data, reply; 401 402 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 403 data.writeInt32(uniqueId); 404 data.writeString8(path); 405 data.writeInt32(action); 406 407 remote()->transact(CHECK_RIGHTS_STATUS, data, &reply); 408 409 return reply.readInt32(); 410} 411 412status_t BpDrmManagerService::consumeRights( 413 int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) { 414 LOGV("consumeRights"); 415 Parcel data, reply; 416 417 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 418 data.writeInt32(uniqueId); 419 420 writeDecryptHandleToParcelData(decryptHandle, &data); 421 422 data.writeInt32(action); 423 data.writeInt32(static_cast< int>(reserve)); 424 425 remote()->transact(CONSUME_RIGHTS, data, &reply); 426 return reply.readInt32(); 427} 428 429status_t BpDrmManagerService::setPlaybackStatus( 430 int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position) { 431 LOGV("setPlaybackStatus"); 432 Parcel data, reply; 433 434 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 435 data.writeInt32(uniqueId); 436 437 writeDecryptHandleToParcelData(decryptHandle, &data); 438 439 data.writeInt32(playbackStatus); 440 data.writeInt64(position); 441 442 remote()->transact(SET_PLAYBACK_STATUS, data, &reply); 443 return reply.readInt32(); 444} 445 446bool BpDrmManagerService::validateAction( 447 int uniqueId, const String8& path, 448 int action, const ActionDescription& description) { 449 LOGV("validateAction"); 450 Parcel data, reply; 451 452 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 453 data.writeInt32(uniqueId); 454 data.writeString8(path); 455 data.writeInt32(action); 456 data.writeInt32(description.outputType); 457 data.writeInt32(description.configuration); 458 459 remote()->transact(VALIDATE_ACTION, data, &reply); 460 461 return static_cast<bool>(reply.readInt32()); 462} 463 464status_t BpDrmManagerService::removeRights(int uniqueId, const String8& path) { 465 LOGV("removeRights"); 466 Parcel data, reply; 467 468 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 469 data.writeInt32(uniqueId); 470 data.writeString8(path); 471 472 remote()->transact(REMOVE_RIGHTS, data, &reply); 473 return reply.readInt32(); 474} 475 476status_t BpDrmManagerService::removeAllRights(int uniqueId) { 477 LOGV("removeAllRights"); 478 Parcel data, reply; 479 480 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 481 data.writeInt32(uniqueId); 482 483 remote()->transact(REMOVE_ALL_RIGHTS, data, &reply); 484 return reply.readInt32(); 485} 486 487int BpDrmManagerService::openConvertSession(int uniqueId, const String8& mimeType) { 488 LOGV("openConvertSession"); 489 Parcel data, reply; 490 491 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 492 data.writeInt32(uniqueId); 493 data.writeString8(mimeType); 494 495 remote()->transact(OPEN_CONVERT_SESSION, data, &reply); 496 return reply.readInt32(); 497} 498 499DrmConvertedStatus* BpDrmManagerService::convertData( 500 int uniqueId, int convertId, const DrmBuffer* inputData) { 501 LOGV("convertData"); 502 Parcel data, reply; 503 504 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 505 data.writeInt32(uniqueId); 506 data.writeInt32(convertId); 507 data.writeInt32(inputData->length); 508 data.write(inputData->data, inputData->length); 509 510 remote()->transact(CONVERT_DATA, data, &reply); 511 512 DrmConvertedStatus* drmConvertedStatus = NULL; 513 514 if (0 != reply.dataAvail()) { 515 //Filling DRM Converted Status 516 const int statusCode = reply.readInt32(); 517 const off64_t offset = reply.readInt64(); 518 519 DrmBuffer* convertedData = NULL; 520 if (0 != reply.dataAvail()) { 521 const int bufferSize = reply.readInt32(); 522 char* data = NULL; 523 if (0 < bufferSize) { 524 data = new char[bufferSize]; 525 reply.read(data, bufferSize); 526 } 527 convertedData = new DrmBuffer(data, bufferSize); 528 } 529 drmConvertedStatus = new DrmConvertedStatus(statusCode, convertedData, offset); 530 } 531 return drmConvertedStatus; 532} 533 534DrmConvertedStatus* BpDrmManagerService::closeConvertSession(int uniqueId, int convertId) { 535 LOGV("closeConvertSession"); 536 Parcel data, reply; 537 538 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 539 data.writeInt32(uniqueId); 540 data.writeInt32(convertId); 541 542 remote()->transact(CLOSE_CONVERT_SESSION, data, &reply); 543 544 DrmConvertedStatus* drmConvertedStatus = NULL; 545 546 if (0 != reply.dataAvail()) { 547 //Filling DRM Converted Status 548 const int statusCode = reply.readInt32(); 549 const off64_t offset = reply.readInt64(); 550 551 DrmBuffer* convertedData = NULL; 552 if (0 != reply.dataAvail()) { 553 const int bufferSize = reply.readInt32(); 554 char* data = NULL; 555 if (0 < bufferSize) { 556 data = new char[bufferSize]; 557 reply.read(data, bufferSize); 558 } 559 convertedData = new DrmBuffer(data, bufferSize); 560 } 561 drmConvertedStatus = new DrmConvertedStatus(statusCode, convertedData, offset); 562 } 563 return drmConvertedStatus; 564} 565 566status_t BpDrmManagerService::getAllSupportInfo( 567 int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray) { 568 LOGV("Get All Support Info"); 569 Parcel data, reply; 570 571 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 572 data.writeInt32(uniqueId); 573 574 remote()->transact(GET_ALL_SUPPORT_INFO, data, &reply); 575 576 //Filling DRM Support Info 577 const int arraySize = reply.readInt32(); 578 if (0 < arraySize) { 579 *drmSupportInfoArray = new DrmSupportInfo[arraySize]; 580 581 for (int index = 0; index < arraySize; ++index) { 582 DrmSupportInfo drmSupportInfo; 583 584 const int fileSuffixVectorSize = reply.readInt32(); 585 for (int i = 0; i < fileSuffixVectorSize; ++i) { 586 drmSupportInfo.addFileSuffix(reply.readString8()); 587 } 588 589 const int mimeTypeVectorSize = reply.readInt32(); 590 for (int i = 0; i < mimeTypeVectorSize; ++i) { 591 drmSupportInfo.addMimeType(reply.readString8()); 592 } 593 594 drmSupportInfo.setDescription(reply.readString8()); 595 (*drmSupportInfoArray)[index] = drmSupportInfo; 596 } 597 } 598 *length = arraySize; 599 return reply.readInt32(); 600} 601 602DecryptHandle* BpDrmManagerService::openDecryptSession( 603 int uniqueId, int fd, off64_t offset, off64_t length) { 604 LOGV("Entering BpDrmManagerService::openDecryptSession"); 605 Parcel data, reply; 606 607 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 608 data.writeInt32(uniqueId); 609 data.writeFileDescriptor(fd); 610 data.writeInt64(offset); 611 data.writeInt64(length); 612 613 remote()->transact(OPEN_DECRYPT_SESSION, data, &reply); 614 615 DecryptHandle* handle = NULL; 616 if (0 != reply.dataAvail()) { 617 handle = new DecryptHandle(); 618 readDecryptHandleFromParcelData(handle, reply); 619 } 620 return handle; 621} 622 623DecryptHandle* BpDrmManagerService::openDecryptSession(int uniqueId, const char* uri) { 624 LOGV("Entering BpDrmManagerService::openDecryptSession"); 625 Parcel data, reply; 626 627 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 628 data.writeInt32(uniqueId); 629 data.writeString8(String8(uri)); 630 631 remote()->transact(OPEN_DECRYPT_SESSION_FROM_URI, data, &reply); 632 633 DecryptHandle* handle = NULL; 634 if (0 != reply.dataAvail()) { 635 handle = new DecryptHandle(); 636 readDecryptHandleFromParcelData(handle, reply); 637 } else { 638 LOGV("no decryptHandle is generated in service side"); 639 } 640 return handle; 641} 642 643status_t BpDrmManagerService::closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle) { 644 LOGV("closeDecryptSession"); 645 Parcel data, reply; 646 647 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 648 data.writeInt32(uniqueId); 649 650 writeDecryptHandleToParcelData(decryptHandle, &data); 651 652 remote()->transact(CLOSE_DECRYPT_SESSION, data, &reply); 653 654 return reply.readInt32(); 655} 656 657status_t BpDrmManagerService::initializeDecryptUnit( 658 int uniqueId, DecryptHandle* decryptHandle, 659 int decryptUnitId, const DrmBuffer* headerInfo) { 660 LOGV("initializeDecryptUnit"); 661 Parcel data, reply; 662 663 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 664 data.writeInt32(uniqueId); 665 666 writeDecryptHandleToParcelData(decryptHandle, &data); 667 668 data.writeInt32(decryptUnitId); 669 670 data.writeInt32(headerInfo->length); 671 data.write(headerInfo->data, headerInfo->length); 672 673 remote()->transact(INITIALIZE_DECRYPT_UNIT, data, &reply); 674 return reply.readInt32(); 675} 676 677status_t BpDrmManagerService::decrypt( 678 int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId, 679 const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV) { 680 LOGV("decrypt"); 681 Parcel data, reply; 682 683 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 684 data.writeInt32(uniqueId); 685 686 writeDecryptHandleToParcelData(decryptHandle, &data); 687 688 data.writeInt32(decryptUnitId); 689 data.writeInt32((*decBuffer)->length); 690 691 data.writeInt32(encBuffer->length); 692 data.write(encBuffer->data, encBuffer->length); 693 694 if (NULL != IV) { 695 data.writeInt32(IV->length); 696 data.write(IV->data, IV->length); 697 } 698 699 remote()->transact(DECRYPT, data, &reply); 700 701 const status_t status = reply.readInt32(); 702 LOGV("Return value of decrypt() is %d", status); 703 704 const int size = reply.readInt32(); 705 (*decBuffer)->length = size; 706 reply.read((void *)(*decBuffer)->data, size); 707 708 return status; 709} 710 711status_t BpDrmManagerService::finalizeDecryptUnit( 712 int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) { 713 LOGV("finalizeDecryptUnit"); 714 Parcel data, reply; 715 716 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 717 data.writeInt32(uniqueId); 718 719 writeDecryptHandleToParcelData(decryptHandle, &data); 720 721 data.writeInt32(decryptUnitId); 722 723 remote()->transact(FINALIZE_DECRYPT_UNIT, data, &reply); 724 return reply.readInt32(); 725} 726 727ssize_t BpDrmManagerService::pread( 728 int uniqueId, DecryptHandle* decryptHandle, void* buffer, 729 ssize_t numBytes, off64_t offset) { 730 LOGV("read"); 731 Parcel data, reply; 732 int result; 733 734 data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor()); 735 data.writeInt32(uniqueId); 736 737 writeDecryptHandleToParcelData(decryptHandle, &data); 738 739 data.writeInt32(numBytes); 740 data.writeInt64(offset); 741 742 remote()->transact(PREAD, data, &reply); 743 result = reply.readInt32(); 744 if (0 < result) { 745 reply.read(buffer, result); 746 } 747 return result; 748} 749 750IMPLEMENT_META_INTERFACE(DrmManagerService, "drm.IDrmManagerService"); 751 752status_t BnDrmManagerService::onTransact( 753 uint32_t code, const Parcel& data, 754 Parcel* reply, uint32_t flags) { 755 LOGV("Entering BnDrmManagerService::onTransact with code %d", code); 756 757 switch (code) { 758 case ADD_UNIQUEID: 759 { 760 LOGV("BnDrmManagerService::onTransact :ADD_UNIQUEID"); 761 CHECK_INTERFACE(IDrmManagerService, data, reply); 762 int uniqueId = addUniqueId(data.readInt32()); 763 reply->writeInt32(uniqueId); 764 return DRM_NO_ERROR; 765 } 766 767 case REMOVE_UNIQUEID: 768 { 769 LOGV("BnDrmManagerService::onTransact :REMOVE_UNIQUEID"); 770 CHECK_INTERFACE(IDrmManagerService, data, reply); 771 removeUniqueId(data.readInt32()); 772 return DRM_NO_ERROR; 773 } 774 775 case ADD_CLIENT: 776 { 777 LOGV("BnDrmManagerService::onTransact :ADD_CLIENT"); 778 CHECK_INTERFACE(IDrmManagerService, data, reply); 779 addClient(data.readInt32()); 780 return DRM_NO_ERROR; 781 } 782 783 case REMOVE_CLIENT: 784 { 785 LOGV("BnDrmManagerService::onTransact :REMOVE_CLIENT"); 786 CHECK_INTERFACE(IDrmManagerService, data, reply); 787 removeClient(data.readInt32()); 788 return DRM_NO_ERROR; 789 } 790 791 case SET_DRM_SERVICE_LISTENER: 792 { 793 LOGV("BnDrmManagerService::onTransact :SET_DRM_SERVICE_LISTENER"); 794 CHECK_INTERFACE(IDrmManagerService, data, reply); 795 796 const int uniqueId = data.readInt32(); 797 const sp<IDrmServiceListener> drmServiceListener 798 = interface_cast<IDrmServiceListener> (data.readStrongBinder()); 799 800 status_t status = setDrmServiceListener(uniqueId, drmServiceListener); 801 802 reply->writeInt32(status); 803 return DRM_NO_ERROR; 804 } 805 806 case INSTALL_DRM_ENGINE: 807 { 808 LOGV("BnDrmManagerService::onTransact :INSTALL_DRM_ENGINE"); 809 CHECK_INTERFACE(IDrmManagerService, data, reply); 810 811 status_t status = installDrmEngine(data.readInt32(), data.readString8()); 812 813 reply->writeInt32(status); 814 return DRM_NO_ERROR; 815 } 816 817 case GET_CONSTRAINTS_FROM_CONTENT: 818 { 819 LOGV("BnDrmManagerService::onTransact :GET_CONSTRAINTS_FROM_CONTENT"); 820 CHECK_INTERFACE(IDrmManagerService, data, reply); 821 822 const int uniqueId = data.readInt32(); 823 const String8 path = data.readString8(); 824 825 DrmConstraints* drmConstraints = getConstraints(uniqueId, &path, data.readInt32()); 826 827 if (NULL != drmConstraints) { 828 //Filling DRM Constraints contents 829 reply->writeInt32(drmConstraints->getCount()); 830 831 DrmConstraints::KeyIterator keyIt = drmConstraints->keyIterator(); 832 while (keyIt.hasNext()) { 833 const String8 key = keyIt.next(); 834 reply->writeString8(key); 835 const char* value = drmConstraints->getAsByteArray(&key); 836 int bufferSize = 0; 837 if (NULL != value) { 838 bufferSize = strlen(value); 839 } 840 reply->writeInt32(bufferSize + 1); 841 reply->write(value, bufferSize + 1); 842 } 843 } 844 delete drmConstraints; drmConstraints = NULL; 845 return DRM_NO_ERROR; 846 } 847 848 case GET_METADATA_FROM_CONTENT: 849 { 850 LOGV("BnDrmManagerService::onTransact :GET_METADATA_FROM_CONTENT"); 851 CHECK_INTERFACE(IDrmManagerService, data, reply); 852 853 const int uniqueId = data.readInt32(); 854 const String8 path = data.readString8(); 855 856 DrmMetadata* drmMetadata = getMetadata(uniqueId, &path); 857 if (NULL != drmMetadata) { 858 //Filling DRM Metadata contents 859 reply->writeInt32(drmMetadata->getCount()); 860 861 DrmMetadata::KeyIterator keyIt = drmMetadata->keyIterator(); 862 while (keyIt.hasNext()) { 863 const String8 key = keyIt.next(); 864 reply->writeString8(key); 865 const char* value = drmMetadata->getAsByteArray(&key); 866 int bufferSize = 0; 867 if (NULL != value) { 868 bufferSize = strlen(value); 869 reply->writeInt32(bufferSize + 1); 870 reply->write(value, bufferSize + 1); 871 } else { 872 reply->writeInt32(0); 873 } 874 } 875 } 876 delete drmMetadata; drmMetadata = NULL; 877 return NO_ERROR; 878 } 879 880 case CAN_HANDLE: 881 { 882 LOGV("BnDrmManagerService::onTransact :CAN_HANDLE"); 883 CHECK_INTERFACE(IDrmManagerService, data, reply); 884 885 const int uniqueId = data.readInt32(); 886 const String8 path = data.readString8(); 887 const String8 mimeType = data.readString8(); 888 889 bool result = canHandle(uniqueId, path, mimeType); 890 891 reply->writeInt32(result); 892 return DRM_NO_ERROR; 893 } 894 895 case PROCESS_DRM_INFO: 896 { 897 LOGV("BnDrmManagerService::onTransact :PROCESS_DRM_INFO"); 898 CHECK_INTERFACE(IDrmManagerService, data, reply); 899 900 const int uniqueId = data.readInt32(); 901 902 //Filling DRM info 903 const int infoType = data.readInt32(); 904 const int bufferSize = data.readInt32(); 905 char* buffer = NULL; 906 if (0 < bufferSize) { 907 buffer = (char *)data.readInplace(bufferSize); 908 } 909 const DrmBuffer drmBuffer(buffer, bufferSize); 910 DrmInfo* drmInfo = new DrmInfo(infoType, drmBuffer, data.readString8()); 911 912 const int size = data.readInt32(); 913 for (int index = 0; index < size; ++index) { 914 const String8 key(data.readString8()); 915 const String8 value(data.readString8()); 916 drmInfo->put(key, (value == String8("NULL")) ? String8("") : value); 917 } 918 919 DrmInfoStatus* drmInfoStatus = processDrmInfo(uniqueId, drmInfo); 920 921 if (NULL != drmInfoStatus) { 922 //Filling DRM Info Status contents 923 reply->writeInt32(drmInfoStatus->statusCode); 924 reply->writeInt32(drmInfoStatus->infoType); 925 reply->writeString8(drmInfoStatus->mimeType); 926 927 if (NULL != drmInfoStatus->drmBuffer) { 928 const DrmBuffer* drmBuffer = drmInfoStatus->drmBuffer; 929 const int bufferSize = drmBuffer->length; 930 reply->writeInt32(bufferSize); 931 if (0 < bufferSize) { 932 reply->write(drmBuffer->data, bufferSize); 933 } 934 delete [] drmBuffer->data; 935 delete drmBuffer; drmBuffer = NULL; 936 } 937 } 938 delete drmInfo; drmInfo = NULL; 939 delete drmInfoStatus; drmInfoStatus = NULL; 940 return DRM_NO_ERROR; 941 } 942 943 case ACQUIRE_DRM_INFO: 944 { 945 LOGV("BnDrmManagerService::onTransact :ACQUIRE_DRM_INFO"); 946 CHECK_INTERFACE(IDrmManagerService, data, reply); 947 948 const int uniqueId = data.readInt32(); 949 950 //Filling DRM info Request 951 DrmInfoRequest* drmInfoRequest = new DrmInfoRequest(data.readInt32(), data.readString8()); 952 953 const int size = data.readInt32(); 954 for (int index = 0; index < size; ++index) { 955 const String8 key(data.readString8()); 956 const String8 value(data.readString8()); 957 drmInfoRequest->put(key, (value == String8("NULL")) ? String8("") : value); 958 } 959 960 DrmInfo* drmInfo = acquireDrmInfo(uniqueId, drmInfoRequest); 961 962 if (NULL != drmInfo) { 963 //Filling DRM Info 964 const DrmBuffer drmBuffer = drmInfo->getData(); 965 reply->writeInt32(drmInfo->getInfoType()); 966 967 const int bufferSize = drmBuffer.length; 968 reply->writeInt32(bufferSize); 969 if (0 < bufferSize) { 970 reply->write(drmBuffer.data, bufferSize); 971 } 972 reply->writeString8(drmInfo->getMimeType()); 973 reply->writeInt32(drmInfo->getCount()); 974 975 DrmInfo::KeyIterator keyIt = drmInfo->keyIterator(); 976 while (keyIt.hasNext()) { 977 const String8 key = keyIt.next(); 978 reply->writeString8(key); 979 const String8 value = drmInfo->get(key); 980 reply->writeString8((value == String8("")) ? String8("NULL") : value); 981 } 982 delete [] drmBuffer.data; 983 } 984 delete drmInfoRequest; drmInfoRequest = NULL; 985 delete drmInfo; drmInfo = NULL; 986 return DRM_NO_ERROR; 987 } 988 989 case SAVE_RIGHTS: 990 { 991 LOGV("BnDrmManagerService::onTransact :SAVE_RIGHTS"); 992 CHECK_INTERFACE(IDrmManagerService, data, reply); 993 994 const int uniqueId = data.readInt32(); 995 996 //Filling DRM Rights 997 const int bufferSize = data.readInt32(); 998 const DrmBuffer drmBuffer((char *)data.readInplace(bufferSize), bufferSize); 999 1000 const String8 mimeType(data.readString8()); 1001 const String8 accountId(data.readString8()); 1002 const String8 subscriptionId(data.readString8()); 1003 const String8 rightsPath(data.readString8()); 1004 const String8 contentPath(data.readString8()); 1005 1006 DrmRights drmRights(drmBuffer, 1007 ((mimeType == String8("NULL")) ? String8("") : mimeType), 1008 ((accountId == String8("NULL")) ? String8("") : accountId), 1009 ((subscriptionId == String8("NULL")) ? String8("") : subscriptionId)); 1010 1011 const status_t status = saveRights(uniqueId, drmRights, 1012 ((rightsPath == String8("NULL")) ? String8("") : rightsPath), 1013 ((contentPath == String8("NULL")) ? String8("") : contentPath)); 1014 1015 reply->writeInt32(status); 1016 return DRM_NO_ERROR; 1017 } 1018 1019 case GET_ORIGINAL_MIMETYPE: 1020 { 1021 LOGV("BnDrmManagerService::onTransact :GET_ORIGINAL_MIMETYPE"); 1022 CHECK_INTERFACE(IDrmManagerService, data, reply); 1023 1024 const String8 originalMimeType = getOriginalMimeType(data.readInt32(), data.readString8()); 1025 1026 reply->writeString8(originalMimeType); 1027 return DRM_NO_ERROR; 1028 } 1029 1030 case GET_DRM_OBJECT_TYPE: 1031 { 1032 LOGV("BnDrmManagerService::onTransact :GET_DRM_OBJECT_TYPE"); 1033 CHECK_INTERFACE(IDrmManagerService, data, reply); 1034 1035 const int drmObjectType 1036 = getDrmObjectType(data.readInt32(), data.readString8(), data.readString8()); 1037 1038 reply->writeInt32(drmObjectType); 1039 return DRM_NO_ERROR; 1040 } 1041 1042 case CHECK_RIGHTS_STATUS: 1043 { 1044 LOGV("BnDrmManagerService::onTransact :CHECK_RIGHTS_STATUS"); 1045 CHECK_INTERFACE(IDrmManagerService, data, reply); 1046 1047 const int result 1048 = checkRightsStatus(data.readInt32(), data.readString8(), data.readInt32()); 1049 1050 reply->writeInt32(result); 1051 return DRM_NO_ERROR; 1052 } 1053 1054 case CONSUME_RIGHTS: 1055 { 1056 LOGV("BnDrmManagerService::onTransact :CONSUME_RIGHTS"); 1057 CHECK_INTERFACE(IDrmManagerService, data, reply); 1058 1059 const int uniqueId = data.readInt32(); 1060 1061 DecryptHandle handle; 1062 readDecryptHandleFromParcelData(&handle, data); 1063 1064 const status_t status 1065 = consumeRights(uniqueId, &handle, data.readInt32(), 1066 static_cast<bool>(data.readInt32())); 1067 reply->writeInt32(status); 1068 1069 clearDecryptHandle(&handle); 1070 return DRM_NO_ERROR; 1071 } 1072 1073 case SET_PLAYBACK_STATUS: 1074 { 1075 LOGV("BnDrmManagerService::onTransact :SET_PLAYBACK_STATUS"); 1076 CHECK_INTERFACE(IDrmManagerService, data, reply); 1077 1078 const int uniqueId = data.readInt32(); 1079 1080 DecryptHandle handle; 1081 readDecryptHandleFromParcelData(&handle, data); 1082 1083 const status_t status 1084 = setPlaybackStatus(uniqueId, &handle, data.readInt32(), data.readInt64()); 1085 reply->writeInt32(status); 1086 1087 clearDecryptHandle(&handle); 1088 return DRM_NO_ERROR; 1089 } 1090 1091 case VALIDATE_ACTION: 1092 { 1093 LOGV("BnDrmManagerService::onTransact :VALIDATE_ACTION"); 1094 CHECK_INTERFACE(IDrmManagerService, data, reply); 1095 1096 bool result = validateAction( 1097 data.readInt32(), 1098 data.readString8(), 1099 data.readInt32(), 1100 ActionDescription(data.readInt32(), data.readInt32())); 1101 1102 reply->writeInt32(result); 1103 return DRM_NO_ERROR; 1104 } 1105 1106 case REMOVE_RIGHTS: 1107 { 1108 LOGV("BnDrmManagerService::onTransact :REMOVE_RIGHTS"); 1109 CHECK_INTERFACE(IDrmManagerService, data, reply); 1110 1111 const status_t status = removeRights(data.readInt32(), data.readString8()); 1112 reply->writeInt32(status); 1113 1114 return DRM_NO_ERROR; 1115 } 1116 1117 case REMOVE_ALL_RIGHTS: 1118 { 1119 LOGV("BnDrmManagerService::onTransact :REMOVE_ALL_RIGHTS"); 1120 CHECK_INTERFACE(IDrmManagerService, data, reply); 1121 1122 const status_t status = removeAllRights(data.readInt32()); 1123 reply->writeInt32(status); 1124 1125 return DRM_NO_ERROR; 1126 } 1127 1128 case OPEN_CONVERT_SESSION: 1129 { 1130 LOGV("BnDrmManagerService::onTransact :OPEN_CONVERT_SESSION"); 1131 CHECK_INTERFACE(IDrmManagerService, data, reply); 1132 1133 const int convertId = openConvertSession(data.readInt32(), data.readString8()); 1134 1135 reply->writeInt32(convertId); 1136 return DRM_NO_ERROR; 1137 } 1138 1139 case CONVERT_DATA: 1140 { 1141 LOGV("BnDrmManagerService::onTransact :CONVERT_DATA"); 1142 CHECK_INTERFACE(IDrmManagerService, data, reply); 1143 1144 const int uniqueId = data.readInt32(); 1145 const int convertId = data.readInt32(); 1146 1147 //Filling input data 1148 const int bufferSize = data.readInt32(); 1149 DrmBuffer* inputData = new DrmBuffer((char *)data.readInplace(bufferSize), bufferSize); 1150 1151 DrmConvertedStatus* drmConvertedStatus = convertData(uniqueId, convertId, inputData); 1152 1153 if (NULL != drmConvertedStatus) { 1154 //Filling Drm Converted Ststus 1155 reply->writeInt32(drmConvertedStatus->statusCode); 1156 reply->writeInt64(drmConvertedStatus->offset); 1157 1158 if (NULL != drmConvertedStatus->convertedData) { 1159 const DrmBuffer* convertedData = drmConvertedStatus->convertedData; 1160 const int bufferSize = convertedData->length; 1161 reply->writeInt32(bufferSize); 1162 if (0 < bufferSize) { 1163 reply->write(convertedData->data, bufferSize); 1164 } 1165 delete [] convertedData->data; 1166 delete convertedData; convertedData = NULL; 1167 } 1168 } 1169 delete inputData; inputData = NULL; 1170 delete drmConvertedStatus; drmConvertedStatus = NULL; 1171 return DRM_NO_ERROR; 1172 } 1173 1174 case CLOSE_CONVERT_SESSION: 1175 { 1176 LOGV("BnDrmManagerService::onTransact :CLOSE_CONVERT_SESSION"); 1177 CHECK_INTERFACE(IDrmManagerService, data, reply); 1178 1179 DrmConvertedStatus* drmConvertedStatus 1180 = closeConvertSession(data.readInt32(), data.readInt32()); 1181 1182 if (NULL != drmConvertedStatus) { 1183 //Filling Drm Converted Ststus 1184 reply->writeInt32(drmConvertedStatus->statusCode); 1185 reply->writeInt64(drmConvertedStatus->offset); 1186 1187 if (NULL != drmConvertedStatus->convertedData) { 1188 const DrmBuffer* convertedData = drmConvertedStatus->convertedData; 1189 const int bufferSize = convertedData->length; 1190 reply->writeInt32(bufferSize); 1191 if (0 < bufferSize) { 1192 reply->write(convertedData->data, bufferSize); 1193 } 1194 delete [] convertedData->data; 1195 delete convertedData; convertedData = NULL; 1196 } 1197 } 1198 delete drmConvertedStatus; drmConvertedStatus = NULL; 1199 return DRM_NO_ERROR; 1200 } 1201 1202 case GET_ALL_SUPPORT_INFO: 1203 { 1204 LOGV("BnDrmManagerService::onTransact :GET_ALL_SUPPORT_INFO"); 1205 CHECK_INTERFACE(IDrmManagerService, data, reply); 1206 1207 const int uniqueId = data.readInt32(); 1208 int length = 0; 1209 DrmSupportInfo* drmSupportInfoArray = NULL; 1210 1211 status_t status = getAllSupportInfo(uniqueId, &length, &drmSupportInfoArray); 1212 1213 reply->writeInt32(length); 1214 for (int i = 0; i < length; ++i) { 1215 DrmSupportInfo drmSupportInfo = drmSupportInfoArray[i]; 1216 1217 reply->writeInt32(drmSupportInfo.getFileSuffixCount()); 1218 DrmSupportInfo::FileSuffixIterator fileSuffixIt 1219 = drmSupportInfo.getFileSuffixIterator(); 1220 while (fileSuffixIt.hasNext()) { 1221 reply->writeString8(fileSuffixIt.next()); 1222 } 1223 1224 reply->writeInt32(drmSupportInfo.getMimeTypeCount()); 1225 DrmSupportInfo::MimeTypeIterator mimeTypeIt = drmSupportInfo.getMimeTypeIterator(); 1226 while (mimeTypeIt.hasNext()) { 1227 reply->writeString8(mimeTypeIt.next()); 1228 } 1229 reply->writeString8(drmSupportInfo.getDescription()); 1230 } 1231 delete [] drmSupportInfoArray; drmSupportInfoArray = NULL; 1232 reply->writeInt32(status); 1233 return DRM_NO_ERROR; 1234 } 1235 1236 case OPEN_DECRYPT_SESSION: 1237 { 1238 LOGV("BnDrmManagerService::onTransact :OPEN_DECRYPT_SESSION"); 1239 CHECK_INTERFACE(IDrmManagerService, data, reply); 1240 1241 const int uniqueId = data.readInt32(); 1242 const int fd = data.readFileDescriptor(); 1243 1244 DecryptHandle* handle 1245 = openDecryptSession(uniqueId, fd, data.readInt64(), data.readInt64()); 1246 1247 if (NULL != handle) { 1248 writeDecryptHandleToParcelData(handle, reply); 1249 clearDecryptHandle(handle); 1250 delete handle; handle = NULL; 1251 } 1252 return DRM_NO_ERROR; 1253 } 1254 1255 case OPEN_DECRYPT_SESSION_FROM_URI: 1256 { 1257 LOGV("BnDrmManagerService::onTransact :OPEN_DECRYPT_SESSION_FROM_URI"); 1258 CHECK_INTERFACE(IDrmManagerService, data, reply); 1259 1260 const int uniqueId = data.readInt32(); 1261 const String8 uri = data.readString8(); 1262 1263 DecryptHandle* handle = openDecryptSession(uniqueId, uri.string()); 1264 1265 if (NULL != handle) { 1266 writeDecryptHandleToParcelData(handle, reply); 1267 1268 clearDecryptHandle(handle); 1269 delete handle; handle = NULL; 1270 } else { 1271 LOGV("NULL decryptHandle is returned"); 1272 } 1273 return DRM_NO_ERROR; 1274 } 1275 1276 case CLOSE_DECRYPT_SESSION: 1277 { 1278 LOGV("BnDrmManagerService::onTransact :CLOSE_DECRYPT_SESSION"); 1279 CHECK_INTERFACE(IDrmManagerService, data, reply); 1280 1281 const int uniqueId = data.readInt32(); 1282 1283 DecryptHandle* handle = new DecryptHandle(); 1284 readDecryptHandleFromParcelData(handle, data); 1285 1286 const status_t status = closeDecryptSession(uniqueId, handle); 1287 reply->writeInt32(status); 1288 return DRM_NO_ERROR; 1289 } 1290 1291 case INITIALIZE_DECRYPT_UNIT: 1292 { 1293 LOGV("BnDrmManagerService::onTransact :INITIALIZE_DECRYPT_UNIT"); 1294 CHECK_INTERFACE(IDrmManagerService, data, reply); 1295 1296 const int uniqueId = data.readInt32(); 1297 1298 DecryptHandle handle; 1299 readDecryptHandleFromParcelData(&handle, data); 1300 1301 const int decryptUnitId = data.readInt32(); 1302 1303 //Filling Header info 1304 const int bufferSize = data.readInt32(); 1305 DrmBuffer* headerInfo = NULL; 1306 headerInfo = new DrmBuffer((char *)data.readInplace(bufferSize), bufferSize); 1307 1308 const status_t status 1309 = initializeDecryptUnit(uniqueId, &handle, decryptUnitId, headerInfo); 1310 reply->writeInt32(status); 1311 1312 clearDecryptHandle(&handle); 1313 delete headerInfo; headerInfo = NULL; 1314 return DRM_NO_ERROR; 1315 } 1316 1317 case DECRYPT: 1318 { 1319 LOGV("BnDrmManagerService::onTransact :DECRYPT"); 1320 CHECK_INTERFACE(IDrmManagerService, data, reply); 1321 1322 const int uniqueId = data.readInt32(); 1323 1324 DecryptHandle handle; 1325 readDecryptHandleFromParcelData(&handle, data); 1326 1327 const int decryptUnitId = data.readInt32(); 1328 const int decBufferSize = data.readInt32(); 1329 1330 const int encBufferSize = data.readInt32(); 1331 DrmBuffer* encBuffer 1332 = new DrmBuffer((char *)data.readInplace(encBufferSize), encBufferSize); 1333 1334 char* buffer = NULL; 1335 buffer = new char[decBufferSize]; 1336 DrmBuffer* decBuffer = new DrmBuffer(buffer, decBufferSize); 1337 1338 DrmBuffer* IV = NULL; 1339 if (0 != data.dataAvail()) { 1340 const int ivBufferlength = data.readInt32(); 1341 IV = new DrmBuffer((char *)data.readInplace(ivBufferlength), ivBufferlength); 1342 } 1343 1344 const status_t status 1345 = decrypt(uniqueId, &handle, decryptUnitId, encBuffer, &decBuffer, IV); 1346 1347 reply->writeInt32(status); 1348 1349 const int size = decBuffer->length; 1350 reply->writeInt32(size); 1351 reply->write(decBuffer->data, size); 1352 1353 clearDecryptHandle(&handle); 1354 delete encBuffer; encBuffer = NULL; 1355 delete decBuffer; decBuffer = NULL; 1356 delete [] buffer; buffer = NULL; 1357 delete IV; IV = NULL; 1358 return DRM_NO_ERROR; 1359 } 1360 1361 case FINALIZE_DECRYPT_UNIT: 1362 { 1363 LOGV("BnDrmManagerService::onTransact :FINALIZE_DECRYPT_UNIT"); 1364 CHECK_INTERFACE(IDrmManagerService, data, reply); 1365 1366 const int uniqueId = data.readInt32(); 1367 1368 DecryptHandle handle; 1369 readDecryptHandleFromParcelData(&handle, data); 1370 1371 const status_t status = finalizeDecryptUnit(uniqueId, &handle, data.readInt32()); 1372 reply->writeInt32(status); 1373 1374 clearDecryptHandle(&handle); 1375 return DRM_NO_ERROR; 1376 } 1377 1378 case PREAD: 1379 { 1380 LOGV("BnDrmManagerService::onTransact :READ"); 1381 CHECK_INTERFACE(IDrmManagerService, data, reply); 1382 1383 const int uniqueId = data.readInt32(); 1384 1385 DecryptHandle handle; 1386 readDecryptHandleFromParcelData(&handle, data); 1387 1388 const int numBytes = data.readInt32(); 1389 char* buffer = new char[numBytes]; 1390 1391 const off64_t offset = data.readInt64(); 1392 1393 ssize_t result = pread(uniqueId, &handle, buffer, numBytes, offset); 1394 reply->writeInt32(result); 1395 if (0 < result) { 1396 reply->write(buffer, result); 1397 } 1398 1399 clearDecryptHandle(&handle); 1400 delete [] buffer, buffer = NULL; 1401 return DRM_NO_ERROR; 1402 } 1403 1404 default: 1405 return BBinder::onTransact(code, data, reply, flags); 1406 } 1407} 1408 1409