wudd/source/WUD/NUSTitle.cpp
2021-10-09 00:58:55 +02:00

84 lines
2.9 KiB
C++

/****************************************************************************
* Copyright (C) 2016-2021 Maschell
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#include "NUSTitle.h"
NUSTitle *NUSTitle::loadTitle(NUSDataProvider *dataProvider, uint8_t *commonKey) {
uint8_t *data = nullptr;
uint32_t dataLen = 0;
if (!dataProvider->getRawTMD(&data, &dataLen)) {
DEBUG_FUNCTION_LINE("Failed to read TMD");
delete dataProvider;
return nullptr;
}
auto *tmd = new TitleMetaData(data);
free(data);
if (!dataProvider->getRawTicket(&data, &dataLen)) {
DEBUG_FUNCTION_LINE("Failed to read ticket");
delete tmd;
delete dataProvider;
return nullptr;
}
auto *ticket = new Ticket(data, commonKey);
free(data);
auto *decryption = new NUSDecryption(ticket);
auto *dpp = new DefaultNUSDataProcessor(dataProvider, decryption);
// If we have more than one content, the index 0 is the FST.
Content *fstContent = tmd->getContentByIndex(0);
if (!dpp->readPlainDecryptedContent(fstContent, &data, &dataLen)) {
DEBUG_FUNCTION_LINE("Failed to read decrypted content");
delete dataProvider;
delete dpp;
delete decryption;
delete ticket;
delete tmd;
return nullptr;
}
FST *fst = new FST(data, dataLen, 0, VolumeBlockSize(1));
// The dataprovider may need the FST to calculate the offset of a content
// on the partition.
dataProvider->setFST(fst);
return new NUSTitle(tmd, dpp, dataProvider, decryption, ticket, fst);
}
NUSTitle::NUSTitle(TitleMetaData *pTMD, NUSDataProcessor *pProcessor, NUSDataProvider *pDataProvider, NUSDecryption *pDecryption, Ticket *pTicket, FST *pFST) {
tmd = pTMD;
dataProcessor = pProcessor;
ticket = pTicket;
fst = pFST;
decryption = pDecryption;
dataProvider = pDataProvider;
}
NUSTitle::~NUSTitle() {
delete dataProvider;
delete dataProcessor;
delete decryption;
delete ticket;
delete tmd;
}
NUSTitle *NUSTitle::loadTitleFromGMPartition(WiiUGMPartition *pPartition, DiscReaderDiscDrive *pDrive, uint8_t *commonKey) {
return loadTitle(new NUSDataProviderWUD(pPartition, pDrive), commonKey);
}