suyu/src/core/file_sys/card_image.h
Zach Hilman 97d425c304 file_sys: Use common KeyManager in NCA container types
Creates a single KeyManager for the entire container and then passes it into the NCA constructor, eliminating several unnecessary KeyManager reads.
2018-11-01 20:23:38 -04:00

114 lines
2.8 KiB
C++

// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <memory>
#include <vector>
#include "common/common_types.h"
#include "common/swap.h"
#include "core/crypto/key_manager.h"
#include "core/file_sys/vfs.h"
namespace Loader {
enum class ResultStatus : u16;
}
namespace FileSys {
class NCA;
enum class NCAContentType : u8;
class NSP;
enum class GamecardSize : u8 {
S_1GB = 0xFA,
S_2GB = 0xF8,
S_4GB = 0xF0,
S_8GB = 0xE0,
S_16GB = 0xE1,
S_32GB = 0xE2,
};
struct GamecardInfo {
std::array<u8, 0x70> data;
};
static_assert(sizeof(GamecardInfo) == 0x70, "GamecardInfo has incorrect size.");
struct GamecardHeader {
std::array<u8, 0x100> signature;
u32_le magic;
u32_le secure_area_start;
u32_le backup_area_start;
u8 kek_index;
GamecardSize size;
u8 header_version;
u8 flags;
u64_le package_id;
u64_le valid_data_end;
u128 info_iv;
u64_le hfs_offset;
u64_le hfs_size;
std::array<u8, 0x20> hfs_header_hash;
std::array<u8, 0x20> initial_data_hash;
u32_le secure_mode_flag;
u32_le title_key_flag;
u32_le key_flag;
u32_le normal_area_end;
GamecardInfo info;
};
static_assert(sizeof(GamecardHeader) == 0x200, "GamecardHeader has incorrect size.");
enum class XCIPartition : u8 { Update, Normal, Secure, Logo };
class XCI : public ReadOnlyVfsDirectory {
public:
explicit XCI(VirtualFile file);
~XCI() override;
Loader::ResultStatus GetStatus() const;
Loader::ResultStatus GetProgramNCAStatus() const;
u8 GetFormatVersion() const;
VirtualDir GetPartition(XCIPartition partition) const;
std::shared_ptr<NSP> GetSecurePartitionNSP() const;
VirtualDir GetSecurePartition() const;
VirtualDir GetNormalPartition() const;
VirtualDir GetUpdatePartition() const;
VirtualDir GetLogoPartition() const;
u64 GetProgramTitleID() const;
bool HasProgramNCA() const;
VirtualFile GetProgramNCAFile() const;
const std::vector<std::shared_ptr<NCA>>& GetNCAs() const;
std::shared_ptr<NCA> GetNCAByType(NCAContentType type) const;
VirtualFile GetNCAFileByType(NCAContentType type) const;
std::vector<VirtualFile> GetFiles() const override;
std::vector<VirtualDir> GetSubdirectories() const override;
std::string GetName() const override;
VirtualDir GetParentDirectory() const override;
private:
Loader::ResultStatus AddNCAFromPartition(XCIPartition part);
VirtualFile file;
GamecardHeader header{};
Loader::ResultStatus status;
Loader::ResultStatus program_nca_status;
std::vector<VirtualDir> partitions;
std::shared_ptr<NSP> secure_partition;
std::shared_ptr<NCA> program;
std::vector<std::shared_ptr<NCA>> ncas;
Core::Crypto::KeyManager keys;
};
} // namespace FileSys