wudd/source/WUD/content/WiiUDiscContentsHeader.cpp
2021-10-09 01:24:12 +02:00

45 lines
1.8 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 <utils/blocksize/DiscBlockSize.h>
#include <coreinit/debug.h>
#include <cstdlib>
#include "WiiUDiscContentsHeader.h"
uint32_t WiiUDiscContentsHeader::LENGTH = 2048;
uint32_t WiiUDiscContentsHeader::MAGIC = 0xCCA6E67B;
WiiUDiscContentsHeader::WiiUDiscContentsHeader(DiscReader *reader, uint32_t offset) {
auto *buffer = (uint8_t *) malloc(LENGTH);
if (!reader->hasDiscKey) {
if (!reader->readEncrypted(buffer, offset, LENGTH)) {
OSFatal("WiiUDiscContentsHeader: Failed to read encrypted");
}
} else {
if (!reader->readDecrypted(buffer, offset, 0, LENGTH, reader->discKey, nullptr, true)) {
OSFatal("WiiUDiscContentsHeader: Failed to read decrypted");
}
}
if (((uint32_t *) buffer)[0] != MAGIC) {
OSFatal("WiiUDiscContentsHeader MAGIC mismatch.");
}
blockSize = DiscBlockSize(((uint32_t *) buffer)[1]);
memcpy(tocHash, &buffer[8], 20);
numberOfPartition = ((uint32_t *) buffer)[7];
free(buffer);
}