// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <iosfwd>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>
#include "common/common_types.h"
#include "core/file_sys/control_metadata.h"
#include "core/file_sys/vfs.h"
namespace Kernel {
struct AddressMapping;
class Process;
} // namespace Kernel
namespace Loader {
/// File types supported by CTR
enum class FileType {
Error,
Unknown,
ELF,
NSO,
NRO,
NCA,
NSP,
XCI,
NAX,
DeconstructedRomDirectory,
};
/**
* Identifies the type of a bootable file based on the magic value in its header.
* @param file open file
* @return FileType of file
*/
FileType IdentifyFile(FileSys::VirtualFile file);
/**
* Guess the type of a bootable file from its name
* @param name String name of bootable file
* @return FileType of file. Note: this will return FileType::Unknown if it is unable to determine
* a filetype, and will never return FileType::Error.
*/
FileType GuessFromFilename(const std::string& name);
/**
* Convert a FileType into a string which can be displayed to the user.
*/
std::string GetFileTypeString(FileType type);
/// Return type for functions in Loader namespace
enum class ResultStatus : u16 {
Success,
ErrorAlreadyLoaded,
ErrorNotImplemented,
ErrorNotInitialized,
ErrorBadNPDMHeader,
ErrorBadACIDHeader,
ErrorBadACIHeader,
ErrorBadFileAccessControl,
ErrorBadFileAccessHeader,
ErrorBadPFSHeader,
ErrorIncorrectPFSFileSize,
ErrorBadNCAHeader,
ErrorMissingProductionKeyFile,
ErrorMissingHeaderKey,
ErrorIncorrectHeaderKey,
ErrorNCA2,
ErrorNCA0,
ErrorMissingTitlekey,
ErrorMissingTitlekek,
ErrorInvalidRightsID,
ErrorMissingKeyAreaKey,
ErrorIncorrectKeyAreaKey,
ErrorIncorrectTitlekeyOrTitlekek,
ErrorXCIMissingProgramNCA,
ErrorNCANotProgram,
ErrorNoExeFS,
ErrorBadXCIHeader,
ErrorXCIMissingPartition,
ErrorNullFile,
ErrorMissingNPDM,
Error32BitISA,
ErrorNoRomFS,
ErrorIncorrectELFFileSize,
ErrorLoadingNRO,
ErrorLoadingNSO,
ErrorNoIcon,
ErrorNoControl,
ErrorBadNAXHeader,
ErrorIncorrectNAXFileSize,
ErrorNAXKeyHMACFailed,
ErrorNAXValidationHMACFailed,
ErrorNAXKeyDerivationFailed,
ErrorNAXInconvertibleToNCA,
ErrorBadNAXFilePath,
ErrorMissingSDSeed,
ErrorMissingSDKEKSource,
ErrorMissingAESKEKGenerationSource,
ErrorMissingAESKeyGenerationSource,
ErrorMissingSDSaveKeySource,
ErrorMissingSDNCAKeySource,
ErrorNSPMissingProgramNCA,
ErrorBadBKTRHeader,
ErrorBKTRSubsectionNotAfterRelocation,
ErrorBKTRSubsectionNotAtEnd,
ErrorBadRelocationBlock,
ErrorBadSubsectionBlock,
ErrorBadRelocationBuckets,
ErrorBadSubsectionBuckets,
ErrorMissingBKTRBaseRomFS,
ErrorNoPackedUpdate,
};
std::ostream& operator<<(std::ostream& os, ResultStatus status);
/// Interface for loading an application
class AppLoader : NonCopyable {
public:
explicit AppLoader(FileSys::VirtualFile file);
virtual ~AppLoader();
/**
* Returns the type of this file
* @return FileType corresponding to the loaded file
*/
virtual FileType GetFileType() = 0;
/**
* Load the application and return the created Process instance
* @param process The newly created process.
* @return The status result of the operation.
*/
virtual ResultStatus Load(Kernel::Process& process) = 0;
/**
* Loads the system mode that this application needs.
* This function defaults to 2 (96MB allocated to the application) if it can't read the
* information.
* @returns A pair with the optional system mode, and and the status.
*/
virtual std::pair<std::optional<u32>, ResultStatus> LoadKernelSystemMode() {
// 96MB allocated to the application.
return std::make_pair(2, ResultStatus::Success);
}
/**
* Get the code (typically .code section) of the application
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
virtual ResultStatus ReadCode(std::vector<u8>& buffer) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the icon (typically icon section) of the application
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
virtual ResultStatus ReadIcon(std::vector<u8>& buffer) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the banner (typically banner section) of the application
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
virtual ResultStatus ReadBanner(std::vector<u8>& buffer) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the logo (typically logo section) of the application
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
virtual ResultStatus ReadLogo(std::vector<u8>& buffer) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the program id of the application
* @param out_program_id Reference to store program id into
* @return ResultStatus result of function
*/
virtual ResultStatus ReadProgramId(u64& out_program_id) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the RomFS of the application
* Since the RomFS can be huge, we return a file reference instead of copying to a buffer
* @param file The directory containing the RomFS
* @return ResultStatus result of function
*/
virtual ResultStatus ReadRomFS(FileSys::VirtualFile& file) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the raw update of the application, should it come packed with one
* @param file The raw update NCA file (Program-type
* @return ResultStatus result of function
*/
virtual ResultStatus ReadUpdateRaw(FileSys::VirtualFile& file) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get whether or not updates can be applied to the RomFS.
* By default, this is true, however for formats where it cannot be guaranteed that the RomFS is
* the base game it should be set to false.
* @return bool whether or not updatable.
*/
virtual bool IsRomFSUpdatable() const {
return true;
}
/**
* Gets the difference between the start of the IVFC header and the start of level 6 (RomFS)
* data. Needed for bktr patching.
* @return IVFC offset for romfs.
*/
virtual u64 ReadRomFSIVFCOffset() const {
return 0;
}
/**
* Get the title of the application
* @param title Reference to store the application title into
* @return ResultStatus result of function
*/
virtual ResultStatus ReadTitle(std::string& title) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the developer of the application
* @param developer Reference to store the application developer into
* @return ResultStatus result of function
*/
virtual ResultStatus ReadDeveloper(std::string& developer) {
return ResultStatus::ErrorNotImplemented;
}
protected:
FileSys::VirtualFile file;
bool is_loaded = false;
};
/**
* Identifies a bootable file and return a suitable loader
* @param file The bootable file
* @return the best loader for this file
*/
std::unique_ptr<AppLoader> GetLoader(FileSys::VirtualFile file);
} // namespace Loader
