dolphin/Source/Core/DiscIO/VolumeWii.h
2019-05-06 18:48:04 +00:00

102 lines
3.8 KiB
C++

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <map>
#include <mbedtls/aes.h>
#include <memory>
#include <optional>
#include <string>
#include <vector>
#include "Common/CommonTypes.h"
#include "Common/Lazy.h"
#include "Core/IOS/ES/Formats.h"
#include "DiscIO/Filesystem.h"
#include "DiscIO/Volume.h"
namespace DiscIO
{
class BlobReader;
enum class BlobType;
enum class Country;
class FileSystem;
enum class Language;
enum class Region;
enum class Platform;
class VolumeWii : public Volume
{
public:
VolumeWii(std::unique_ptr<BlobReader> reader);
~VolumeWii();
bool Read(u64 offset, u64 length, u8* buffer, const Partition& partition) const override;
bool IsEncryptedAndHashed() const override;
std::vector<Partition> GetPartitions() const override;
Partition GetGamePartition() const override;
std::optional<u32> GetPartitionType(const Partition& partition) const override;
std::optional<u64> GetTitleID(const Partition& partition) const override;
const IOS::ES::TicketReader& GetTicket(const Partition& partition) const override;
const IOS::ES::TMDReader& GetTMD(const Partition& partition) const override;
const std::vector<u8>& GetCertificateChain(const Partition& partition) const override;
const FileSystem* GetFileSystem(const Partition& partition) const override;
static u64 EncryptedPartitionOffsetToRawOffset(u64 offset, const Partition& partition,
u64 partition_data_offset);
u64 PartitionOffsetToRawOffset(u64 offset, const Partition& partition) const override;
std::string GetGameID(const Partition& partition = PARTITION_NONE) const override;
std::string GetGameTDBID(const Partition& partition = PARTITION_NONE) const override;
std::string GetMakerID(const Partition& partition = PARTITION_NONE) const override;
std::optional<u16> GetRevision(const Partition& partition = PARTITION_NONE) const override;
std::string GetInternalName(const Partition& partition = PARTITION_NONE) const override;
std::map<Language, std::string> GetLongNames() const override;
std::vector<u32> GetBanner(u32* width, u32* height) const override;
std::string GetApploaderDate(const Partition& partition) const override;
std::optional<u8> GetDiscNumber(const Partition& partition = PARTITION_NONE) const override;
Platform GetVolumeType() const override;
bool SupportsIntegrityCheck() const override { return m_encrypted; }
bool CheckH3TableIntegrity(const Partition& partition) const override;
bool CheckBlockIntegrity(u64 block_index, const Partition& partition) const override;
Region GetRegion() const override;
Country GetCountry(const Partition& partition = PARTITION_NONE) const override;
BlobType GetBlobType() const override;
u64 GetSize() const override;
bool IsSizeAccurate() const override;
u64 GetRawSize() const override;
static constexpr unsigned int H3_TABLE_SIZE = 0x18000;
static constexpr unsigned int BLOCK_HEADER_SIZE = 0x0400;
static constexpr unsigned int BLOCK_DATA_SIZE = 0x7C00;
static constexpr unsigned int BLOCK_TOTAL_SIZE = BLOCK_HEADER_SIZE + BLOCK_DATA_SIZE;
protected:
u32 GetOffsetShift() const override { return 2; }
private:
struct PartitionDetails
{
Common::Lazy<std::unique_ptr<mbedtls_aes_context>> key;
Common::Lazy<IOS::ES::TicketReader> ticket;
Common::Lazy<IOS::ES::TMDReader> tmd;
Common::Lazy<std::vector<u8>> cert_chain;
Common::Lazy<std::vector<u8>> h3_table;
Common::Lazy<std::unique_ptr<FileSystem>> file_system;
Common::Lazy<u64> data_offset;
u32 type;
};
std::unique_ptr<BlobReader> m_reader;
std::map<Partition, PartitionDetails> m_partitions;
Partition m_game_partition;
bool m_encrypted;
mutable u64 m_last_decrypted_block;
mutable u8 m_last_decrypted_block_data[BLOCK_DATA_SIZE];
};
} // namespace DiscIO