static jobject android_drm_DrmManagerClient_acquireDrmInfo( JNIEnv* env, jobject thiz, jint uniqueId, jobject drmInfoRequest) { ALOGV("acquireDrmInfo Enter"); const String8 mMimeType = Utility::getStringValue(env, drmInfoRequest, "mMimeType"); int mInfoType = Utility::getIntValue(env, drmInfoRequest, "mInfoType"); DrmInfoRequest drmInfoReq(mInfoType, mMimeType); jclass clazz = env->FindClass("android/drm/DrmInfoRequest"); jobject keyIterator = env->CallObjectMethod(drmInfoRequest, env->GetMethodID(clazz, "keyIterator", "()Ljava/util/Iterator;")); jmethodID DrmInfoRequest_get = env->GetMethodID(clazz, "get", "(Ljava/lang/String;)Ljava/lang/Object;"); jclass Iterator_class = env->FindClass("java/util/Iterator"); jmethodID Iterator_hasNext = env->GetMethodID(Iterator_class, "hasNext", "()Z"); jmethodID Iterator_next = env->GetMethodID(Iterator_class, "next", "()Ljava/lang/Object;"); while (env->CallBooleanMethod(keyIterator, Iterator_hasNext)) { ScopedLocalRef<jstring> key(env, (jstring) env->CallObjectMethod(keyIterator, Iterator_next)); ScopedLocalRef<jstring> value(env, (jstring) env->CallObjectMethod(drmInfoRequest, DrmInfoRequest_get, key.get())); String8 keyString = Utility::getStringValue(env, key.get()); String8 valueString = Utility::getStringValue(env, value.get()); ALOGV("Key: %s | Value: %s", keyString.string(), valueString.string()); drmInfoReq.put(keyString, valueString); } DrmInfo* pDrmInfo = getDrmManagerClientImpl(env, thiz)->acquireDrmInfo(uniqueId, &drmInfoReq); jobject drmInfoObject = NULL; if (NULL != pDrmInfo) { jclass localRef = env->FindClass("android/drm/DrmInfo"); if (NULL != localRef) { int length = pDrmInfo->getData().length; jbyteArray dataArray = env->NewByteArray(length); env->SetByteArrayRegion(dataArray, 0, length, (jbyte*)pDrmInfo->getData().data); drmInfoObject = env->NewObject(localRef, env->GetMethodID(localRef, "<init>", "(I[BLjava/lang/String;)V"), mInfoType, dataArray, env->NewStringUTF(pDrmInfo->getMimeType().string())); DrmInfo::KeyIterator it = pDrmInfo->keyIterator(); jmethodID putMethodId = env->GetMethodID(localRef, "put", "(Ljava/lang/String;Ljava/lang/Object;)V"); while (it.hasNext()) { String8 key = it.next(); String8 value = pDrmInfo->get(key); ScopedLocalRef<jstring> keyString(env, env->NewStringUTF(key.string())); ScopedLocalRef<jstring> valueString(env, env->NewStringUTF(value.string())); env->CallVoidMethod(drmInfoObject, putMethodId, keyString.get(), valueString.get()); } } delete [] pDrmInfo->getData().data; } delete pDrmInfo; pDrmInfo = NULL; ALOGV("acquireDrmInfo Exit"); return drmInfoObject; }
status_t BnDrmManagerService::onTransact( uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { LOGV("Entering BnDrmManagerService::onTransact with code %d", code); switch (code) { case ADD_UNIQUEID: { LOGV("BnDrmManagerService::onTransact :ADD_UNIQUEID"); CHECK_INTERFACE(IDrmManagerService, data, reply); int uniqueId = addUniqueId(data.readInt32()); reply->writeInt32(uniqueId); return DRM_NO_ERROR; } case REMOVE_UNIQUEID: { LOGV("BnDrmManagerService::onTransact :REMOVE_UNIQUEID"); CHECK_INTERFACE(IDrmManagerService, data, reply); removeUniqueId(data.readInt32()); return DRM_NO_ERROR; } case LOAD_PLUGINS: { LOGV("BnDrmManagerService::onTransact :LOAD_PLUGINS"); CHECK_INTERFACE(IDrmManagerService, data, reply); status_t status = loadPlugIns(data.readInt32()); reply->writeInt32(status); return DRM_NO_ERROR; } case LOAD_PLUGINS_FROM_PATH: { LOGV("BnDrmManagerService::onTransact :LOAD_PLUGINS_FROM_PATH"); CHECK_INTERFACE(IDrmManagerService, data, reply); status_t status = loadPlugIns(data.readInt32(), data.readString8()); reply->writeInt32(status); return DRM_NO_ERROR; } case SET_DRM_SERVICE_LISTENER: { LOGV("BnDrmManagerService::onTransact :SET_DRM_SERVICE_LISTENER"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); const sp<IDrmServiceListener> drmServiceListener = interface_cast<IDrmServiceListener> (data.readStrongBinder()); status_t status = setDrmServiceListener(uniqueId, drmServiceListener); reply->writeInt32(status); return DRM_NO_ERROR; } case UNLOAD_PLUGINS: { LOGV("BnDrmManagerService::onTransact :UNLOAD_PLUGINS"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); status_t status = unloadPlugIns(uniqueId); reply->writeInt32(status); return DRM_NO_ERROR; } case INSTALL_DRM_ENGINE: { LOGV("BnDrmManagerService::onTransact :INSTALL_DRM_ENGINE"); CHECK_INTERFACE(IDrmManagerService, data, reply); status_t status = installDrmEngine(data.readInt32(), data.readString8()); reply->writeInt32(status); return DRM_NO_ERROR; } case GET_CONSTRAINTS_FROM_CONTENT: { LOGV("BnDrmManagerService::onTransact :GET_CONSTRAINTS_FROM_CONTENT"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); const String8 path = data.readString8(); DrmConstraints* drmConstraints = getConstraints(uniqueId, &path, data.readInt32()); if (NULL != drmConstraints) { //Filling DRM Constraints contents reply->writeInt32(drmConstraints->getCount()); DrmConstraints::KeyIterator keyIt = drmConstraints->keyIterator(); while (keyIt.hasNext()) { const String8 key = keyIt.next(); reply->writeString8(key); const char* value = drmConstraints->getAsByteArray(&key); int bufferSize = 0; if (NULL != value) { bufferSize = strlen(value); } reply->writeInt32(bufferSize + 1); reply->write(value, bufferSize + 1); } } delete drmConstraints; drmConstraints = NULL; return DRM_NO_ERROR; } case CAN_HANDLE: { LOGV("BnDrmManagerService::onTransact :CAN_HANDLE"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); const String8 path = data.readString8(); const String8 mimeType = data.readString8(); bool result = canHandle(uniqueId, path, mimeType); reply->writeInt32(result); return DRM_NO_ERROR; } case PROCESS_DRM_INFO: { LOGV("BnDrmManagerService::onTransact :PROCESS_DRM_INFO"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); //Filling DRM info const int infoType = data.readInt32(); const int bufferSize = data.readInt32(); char* buffer = NULL; if (0 < bufferSize) { buffer = (char *)data.readInplace(bufferSize); } const DrmBuffer drmBuffer(buffer, bufferSize); DrmInfo* drmInfo = new DrmInfo(infoType, drmBuffer, data.readString8()); const int size = data.readInt32(); for (int index = 0; index < size; ++index) { const String8 key(data.readString8()); const String8 value(data.readString8()); drmInfo->put(key, (value == String8("NULL")) ? String8("") : value); } DrmInfoStatus* drmInfoStatus = processDrmInfo(uniqueId, drmInfo); if (NULL != drmInfoStatus) { //Filling DRM Info Status contents reply->writeInt32(drmInfoStatus->statusCode); reply->writeString8(drmInfoStatus->mimeType); if (NULL != drmInfoStatus->drmBuffer) { const DrmBuffer* drmBuffer = drmInfoStatus->drmBuffer; const int bufferSize = drmBuffer->length; reply->writeInt32(bufferSize); if (0 < bufferSize) { reply->write(drmBuffer->data, bufferSize); } delete [] drmBuffer->data; delete drmBuffer; drmBuffer = NULL; } } delete drmInfo; drmInfo = NULL; delete drmInfoStatus; drmInfoStatus = NULL; return DRM_NO_ERROR; } case ACQUIRE_DRM_INFO: { LOGV("BnDrmManagerService::onTransact :ACQUIRE_DRM_INFO"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); //Filling DRM info Request DrmInfoRequest* drmInfoRequest = new DrmInfoRequest(data.readInt32(), data.readString8()); const int size = data.readInt32(); for (int index = 0; index < size; ++index) { const String8 key(data.readString8()); const String8 value(data.readString8()); drmInfoRequest->put(key, (value == String8("NULL")) ? String8("") : value); } DrmInfo* drmInfo = acquireDrmInfo(uniqueId, drmInfoRequest); if (NULL != drmInfo) { //Filling DRM Info const DrmBuffer drmBuffer = drmInfo->getData(); reply->writeInt32(drmInfo->getInfoType()); const int bufferSize = drmBuffer.length; reply->writeInt32(bufferSize); if (0 < bufferSize) { reply->write(drmBuffer.data, bufferSize); } reply->writeString8(drmInfo->getMimeType()); reply->writeInt32(drmInfo->getCount()); DrmInfo::KeyIterator keyIt = drmInfo->keyIterator(); while (keyIt.hasNext()) { const String8 key = keyIt.next(); reply->writeString8(key); const String8 value = drmInfo->get(key); reply->writeString8((value == String8("")) ? String8("NULL") : value); } delete [] drmBuffer.data; } delete drmInfoRequest; drmInfoRequest = NULL; delete drmInfo; drmInfo = NULL; return DRM_NO_ERROR; } case SAVE_RIGHTS: { LOGV("BnDrmManagerService::onTransact :SAVE_RIGHTS"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); //Filling DRM Rights const int bufferSize = data.readInt32(); const DrmBuffer drmBuffer((char *)data.readInplace(bufferSize), bufferSize); const String8 mimeType(data.readString8()); const String8 accountId(data.readString8()); const String8 subscriptionId(data.readString8()); const String8 rightsPath(data.readString8()); const String8 contentPath(data.readString8()); DrmRights drmRights(drmBuffer, ((mimeType == String8("NULL")) ? String8("") : mimeType), ((accountId == String8("NULL")) ? String8("") : accountId), ((subscriptionId == String8("NULL")) ? String8("") : subscriptionId)); const status_t status = saveRights(uniqueId, drmRights, ((rightsPath == String8("NULL")) ? String8("") : rightsPath), ((contentPath == String8("NULL")) ? String8("") : contentPath)); reply->writeInt32(status); return DRM_NO_ERROR; } case GET_ORIGINAL_MIMETYPE: { LOGV("BnDrmManagerService::onTransact :GET_ORIGINAL_MIMETYPE"); CHECK_INTERFACE(IDrmManagerService, data, reply); const String8 originalMimeType = getOriginalMimeType(data.readInt32(), data.readString8()); reply->writeString8(originalMimeType); return DRM_NO_ERROR; } case GET_DRM_OBJECT_TYPE: { LOGV("BnDrmManagerService::onTransact :GET_DRM_OBJECT_TYPE"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int drmObjectType = getDrmObjectType(data.readInt32(), data.readString8(), data.readString8()); reply->writeInt32(drmObjectType); return DRM_NO_ERROR; } case CHECK_RIGHTS_STATUS: { LOGV("BnDrmManagerService::onTransact :CHECK_RIGHTS_STATUS"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int result = checkRightsStatus(data.readInt32(), data.readString8(), data.readInt32()); reply->writeInt32(result); return DRM_NO_ERROR; } case CONSUME_RIGHTS: { LOGV("BnDrmManagerService::onTransact :CONSUME_RIGHTS"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); DecryptHandle handle; handle.decryptId = data.readInt32(); handle.mimeType = data.readString8(); handle.decryptApiType = data.readInt32(); handle.status = data.readInt32(); handle.decryptInfo = NULL; const int bufferLength = data.readInt32(); if (INVALID_BUFFER_LENGTH != bufferLength) { handle.decryptInfo = new DecryptInfo(); handle.decryptInfo->decryptBufferLength = bufferLength; } const status_t status = consumeRights(uniqueId, &handle, data.readInt32(), static_cast<bool>(data.readInt32())); reply->writeInt32(status); delete handle.decryptInfo; handle.decryptInfo = NULL; return DRM_NO_ERROR; } case SET_PLAYBACK_STATUS: { LOGV("BnDrmManagerService::onTransact :SET_PLAYBACK_STATUS"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); DecryptHandle handle; handle.decryptId = data.readInt32(); handle.mimeType = data.readString8(); handle.decryptApiType = data.readInt32(); handle.status = data.readInt32(); handle.decryptInfo = NULL; const int bufferLength = data.readInt32(); if (INVALID_BUFFER_LENGTH != bufferLength) { handle.decryptInfo = new DecryptInfo(); handle.decryptInfo->decryptBufferLength = bufferLength; } const status_t status = setPlaybackStatus(uniqueId, &handle, data.readInt32(), data.readInt32()); reply->writeInt32(status); delete handle.decryptInfo; handle.decryptInfo = NULL; return DRM_NO_ERROR; } case VALIDATE_ACTION: { LOGV("BnDrmManagerService::onTransact :VALIDATE_ACTION"); CHECK_INTERFACE(IDrmManagerService, data, reply); bool result = validateAction( data.readInt32(), data.readString8(), data.readInt32(), ActionDescription(data.readInt32(), data.readInt32())); reply->writeInt32(result); return DRM_NO_ERROR; } case REMOVE_RIGHTS: { LOGV("BnDrmManagerService::onTransact :REMOVE_RIGHTS"); CHECK_INTERFACE(IDrmManagerService, data, reply); const status_t status = removeRights(data.readInt32(), data.readString8()); reply->writeInt32(status); return DRM_NO_ERROR; } case REMOVE_ALL_RIGHTS: { LOGV("BnDrmManagerService::onTransact :REMOVE_ALL_RIGHTS"); CHECK_INTERFACE(IDrmManagerService, data, reply); const status_t status = removeAllRights(data.readInt32()); reply->writeInt32(status); return DRM_NO_ERROR; } case OPEN_CONVERT_SESSION: { LOGV("BnDrmManagerService::onTransact :OPEN_CONVERT_SESSION"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int convertId = openConvertSession(data.readInt32(), data.readString8()); reply->writeInt32(convertId); return DRM_NO_ERROR; } case CONVERT_DATA: { LOGV("BnDrmManagerService::onTransact :CONVERT_DATA"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); const int convertId = data.readInt32(); //Filling input data const int bufferSize = data.readInt32(); DrmBuffer* inputData = new DrmBuffer((char *)data.readInplace(bufferSize), bufferSize); DrmConvertedStatus* drmConvertedStatus = convertData(uniqueId, convertId, inputData); if (NULL != drmConvertedStatus) { //Filling Drm Converted Ststus reply->writeInt32(drmConvertedStatus->statusCode); reply->writeInt32(drmConvertedStatus->offset); if (NULL != drmConvertedStatus->convertedData) { const DrmBuffer* convertedData = drmConvertedStatus->convertedData; const int bufferSize = convertedData->length; reply->writeInt32(bufferSize); if (0 < bufferSize) { reply->write(convertedData->data, bufferSize); } delete [] convertedData->data; delete convertedData; convertedData = NULL; } } delete inputData; inputData = NULL; delete drmConvertedStatus; drmConvertedStatus = NULL; return DRM_NO_ERROR; } case CLOSE_CONVERT_SESSION: { LOGV("BnDrmManagerService::onTransact :CLOSE_CONVERT_SESSION"); CHECK_INTERFACE(IDrmManagerService, data, reply); DrmConvertedStatus* drmConvertedStatus = closeConvertSession(data.readInt32(), data.readInt32()); if (NULL != drmConvertedStatus) { //Filling Drm Converted Ststus reply->writeInt32(drmConvertedStatus->statusCode); reply->writeInt32(drmConvertedStatus->offset); if (NULL != drmConvertedStatus->convertedData) { const DrmBuffer* convertedData = drmConvertedStatus->convertedData; const int bufferSize = convertedData->length; reply->writeInt32(bufferSize); if (0 < bufferSize) { reply->write(convertedData->data, bufferSize); } delete [] convertedData->data; delete convertedData; convertedData = NULL; } } delete drmConvertedStatus; drmConvertedStatus = NULL; return DRM_NO_ERROR; } case GET_ALL_SUPPORT_INFO: { LOGV("BnDrmManagerService::onTransact :GET_ALL_SUPPORT_INFO"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); int length = 0; DrmSupportInfo* drmSupportInfoArray = NULL; status_t status = getAllSupportInfo(uniqueId, &length, &drmSupportInfoArray); reply->writeInt32(length); for (int i = 0; i < length; ++i) { DrmSupportInfo drmSupportInfo = drmSupportInfoArray[i]; reply->writeInt32(drmSupportInfo.getFileSuffixCount()); DrmSupportInfo::FileSuffixIterator fileSuffixIt = drmSupportInfo.getFileSuffixIterator(); while (fileSuffixIt.hasNext()) { reply->writeString8(fileSuffixIt.next()); } reply->writeInt32(drmSupportInfo.getMimeTypeCount()); DrmSupportInfo::MimeTypeIterator mimeTypeIt = drmSupportInfo.getMimeTypeIterator(); while (mimeTypeIt.hasNext()) { reply->writeString8(mimeTypeIt.next()); } reply->writeString8(drmSupportInfo.getDescription()); } delete [] drmSupportInfoArray; drmSupportInfoArray = NULL; reply->writeInt32(status); return DRM_NO_ERROR; } case OPEN_DECRYPT_SESSION: { LOGV("BnDrmManagerService::onTransact :OPEN_DECRYPT_SESSION"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); const int fd = data.readFileDescriptor(); DecryptHandle* handle = openDecryptSession(uniqueId, fd, data.readInt32(), data.readInt32()); if (NULL != handle) { reply->writeInt32(handle->decryptId); reply->writeString8(handle->mimeType); reply->writeInt32(handle->decryptApiType); reply->writeInt32(handle->status); if (NULL != handle->decryptInfo) { reply->writeInt32(handle->decryptInfo->decryptBufferLength); delete handle->decryptInfo; handle->decryptInfo = NULL; } } else { LOGE("NULL decryptHandle is returned"); } delete handle; handle = NULL; return DRM_NO_ERROR; } case CLOSE_DECRYPT_SESSION: { LOGV("BnDrmManagerService::onTransact :CLOSE_DECRYPT_SESSION"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); DecryptHandle* handle = new DecryptHandle(); handle->decryptId = data.readInt32(); handle->mimeType = data.readString8(); handle->decryptApiType = data.readInt32(); handle->status = data.readInt32(); handle->decryptInfo = NULL; const int bufferLength = data.readInt32(); if (INVALID_BUFFER_LENGTH != bufferLength) { handle->decryptInfo = new DecryptInfo(); handle->decryptInfo->decryptBufferLength = bufferLength; } const status_t status = closeDecryptSession(uniqueId, handle); reply->writeInt32(status); return DRM_NO_ERROR; } case INITIALIZE_DECRYPT_UNIT: { LOGV("BnDrmManagerService::onTransact :INITIALIZE_DECRYPT_UNIT"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); DecryptHandle handle; handle.decryptId = data.readInt32(); handle.mimeType = data.readString8(); handle.decryptApiType = data.readInt32(); handle.status = data.readInt32(); handle.decryptInfo = NULL; const int bufferLength = data.readInt32(); if (INVALID_BUFFER_LENGTH != bufferLength) { handle.decryptInfo = new DecryptInfo(); handle.decryptInfo->decryptBufferLength = bufferLength; } const int decryptUnitId = data.readInt32(); //Filling Header info const int bufferSize = data.readInt32(); DrmBuffer* headerInfo = NULL; headerInfo = new DrmBuffer((char *)data.readInplace(bufferSize), bufferSize); const status_t status = initializeDecryptUnit(uniqueId, &handle, decryptUnitId, headerInfo); reply->writeInt32(status); delete handle.decryptInfo; handle.decryptInfo = NULL; delete headerInfo; headerInfo = NULL; return DRM_NO_ERROR; } case DECRYPT: { LOGV("BnDrmManagerService::onTransact :DECRYPT"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); DecryptHandle handle; handle.decryptId = data.readInt32(); handle.mimeType = data.readString8(); handle.decryptApiType = data.readInt32(); handle.status = data.readInt32(); handle.decryptInfo = NULL; const int bufferLength = data.readInt32(); if (INVALID_BUFFER_LENGTH != bufferLength) { handle.decryptInfo = new DecryptInfo(); handle.decryptInfo->decryptBufferLength = bufferLength; } const int decryptUnitId = data.readInt32(); const int decBufferSize = data.readInt32(); const int encBufferSize = data.readInt32(); DrmBuffer* encBuffer = new DrmBuffer((char *)data.readInplace(encBufferSize), encBufferSize); char* buffer = NULL; buffer = new char[decBufferSize]; DrmBuffer* decBuffer = new DrmBuffer(buffer, decBufferSize); DrmBuffer* IV = NULL; if (0 != data.dataAvail()) { const int ivBufferlength = data.readInt32(); IV = new DrmBuffer((char *)data.readInplace(ivBufferlength), ivBufferlength); } const status_t status = decrypt(uniqueId, &handle, decryptUnitId, encBuffer, &decBuffer, IV); reply->writeInt32(status); const int size = decBuffer->length; reply->writeInt32(size); reply->write(decBuffer->data, size); delete handle.decryptInfo; handle.decryptInfo = NULL; delete encBuffer; encBuffer = NULL; delete decBuffer; decBuffer = NULL; delete [] buffer; buffer = NULL; delete IV; IV = NULL; return DRM_NO_ERROR; } case FINALIZE_DECRYPT_UNIT: { LOGV("BnDrmManagerService::onTransact :FINALIZE_DECRYPT_UNIT"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); DecryptHandle handle; handle.decryptId = data.readInt32(); handle.mimeType = data.readString8(); handle.decryptApiType = data.readInt32(); handle.status = data.readInt32(); handle.decryptInfo = NULL; const int bufferLength = data.readInt32(); if (INVALID_BUFFER_LENGTH != bufferLength) { handle.decryptInfo = new DecryptInfo(); handle.decryptInfo->decryptBufferLength = bufferLength; } const status_t status = finalizeDecryptUnit(uniqueId, &handle, data.readInt32()); reply->writeInt32(status); delete handle.decryptInfo; handle.decryptInfo = NULL; return DRM_NO_ERROR; } case PREAD: { LOGV("BnDrmManagerService::onTransact :READ"); CHECK_INTERFACE(IDrmManagerService, data, reply); const int uniqueId = data.readInt32(); DecryptHandle handle; handle.decryptId = data.readInt32(); handle.mimeType = data.readString8(); handle.decryptApiType = data.readInt32(); handle.status = data.readInt32(); handle.decryptInfo = NULL; const int bufferLength = data.readInt32(); if (INVALID_BUFFER_LENGTH != bufferLength) { handle.decryptInfo = new DecryptInfo(); handle.decryptInfo->decryptBufferLength = bufferLength; } const int numBytes = data.readInt32(); char* buffer = new char[numBytes]; const off_t offset = data.readInt32(); ssize_t result = pread(uniqueId, &handle, buffer, numBytes, offset); reply->writeInt32(result); if (0 < result) { reply->write(buffer, result); } delete handle.decryptInfo; handle.decryptInfo = NULL; delete [] buffer, buffer = NULL; return DRM_NO_ERROR; } default: return BBinder::onTransact(code, data, reply, flags); } }