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Merge pull request #1005 from DarkLordZach/registered-fmt

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file_sys: Add support for registration format
This commit is contained in:
bunnei 2018-08-15 23:11:58 -04:00 committed by GitHub
commit c594ec3417
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GPG Key ID: 4AEE18F83AFDEB23
34 changed files with 1437 additions and 80 deletions
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2
src/common/CMakeLists.txt
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@ -38,6 +38,8 @@ add_library(common STATIC
file_util.cpp
file_util.h
hash.h
hex_util.cpp
hex_util.h
logging/backend.cpp
logging/backend.h
logging/filter.cpp

6
src/common/file_util.cpp
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@ -750,6 +750,12 @@ std::string GetHactoolConfigurationPath() {
#endif
}
std::string GetNANDRegistrationDir(bool system) {
if (system)
return GetUserPath(UserPath::NANDDir) + "system/Contents/registered/";
return GetUserPath(UserPath::NANDDir) + "user/Contents/registered/";
}
size_t WriteStringToFile(bool text_file, const std::string& str, const char* filename) {
return FileUtil::IOFile(filename, text_file ? "w" : "wb").WriteBytes(str.data(), str.size());
}

2
src/common/file_util.h
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@ -129,6 +129,8 @@ const std::string& GetUserPath(UserPath path, const std::string& new_path = "");
std::string GetHactoolConfigurationPath();
std::string GetNANDRegistrationDir(bool system = false);
// Returns the path to where the sys file are
std::string GetSysDirectory();

27
src/common/hex_util.cpp Normal file
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@ -0,0 +1,27 @@
// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/hex_util.h"
u8 ToHexNibble(char c1) {
if (c1 >= 65 && c1 <= 70)
return c1 - 55;
if (c1 >= 97 && c1 <= 102)
return c1 - 87;
if (c1 >= 48 && c1 <= 57)
return c1 - 48;
throw std::logic_error("Invalid hex digit");
}
std::array<u8, 16> operator""_array16(const char* str, size_t len) {
if (len != 32)
throw std::logic_error("Not of correct size.");
return HexStringToArray<16>(str);
}
std::array<u8, 32> operator""_array32(const char* str, size_t len) {
if (len != 64)
throw std::logic_error("Not of correct size.");
return HexStringToArray<32>(str);
}

37
src/common/hex_util.h Normal file
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@ -0,0 +1,37 @@
// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <cstddef>
#include <string>
#include <fmt/format.h>
#include "common/common_types.h"
u8 ToHexNibble(char c1);
template <size_t Size, bool le = false>
std::array<u8, Size> HexStringToArray(std::string_view str) {
std::array<u8, Size> out{};
if constexpr (le) {
for (size_t i = 2 * Size - 2; i <= 2 * Size; i -= 2)
out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
} else {
for (size_t i = 0; i < 2 * Size; i += 2)
out[i / 2] = (ToHexNibble(str[i]) << 4) | ToHexNibble(str[i + 1]);
}
return out;
}
template <size_t Size>
std::string HexArrayToString(std::array<u8, Size> array, bool upper = true) {
std::string out;
for (u8 c : array)
out += fmt::format(upper ? "{:02X}" : "{:02x}", c);
return out;
}
std::array<u8, 0x10> operator"" _array16(const char* str, size_t len);
std::array<u8, 0x20> operator"" _array32(const char* str, size_t len);

8
src/core/CMakeLists.txt
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@ -20,6 +20,8 @@ add_library(core STATIC
crypto/key_manager.h
crypto/ctr_encryption_layer.cpp
crypto/ctr_encryption_layer.h
file_sys/bis_factory.cpp
file_sys/bis_factory.h
file_sys/card_image.cpp
file_sys/card_image.h
file_sys/content_archive.cpp
@ -29,10 +31,14 @@ add_library(core STATIC
file_sys/directory.h
file_sys/errors.h
file_sys/mode.h
file_sys/nca_metadata.cpp
file_sys/nca_metadata.h
file_sys/partition_filesystem.cpp
file_sys/partition_filesystem.h
file_sys/program_metadata.cpp
file_sys/program_metadata.h
file_sys/registered_cache.cpp
file_sys/registered_cache.h
file_sys/romfs.cpp
file_sys/romfs.h
file_sys/romfs_factory.cpp
@ -43,6 +49,8 @@ add_library(core STATIC
file_sys/sdmc_factory.h
file_sys/vfs.cpp
file_sys/vfs.h
file_sys/vfs_concat.cpp
file_sys/vfs_concat.h
file_sys/vfs_offset.cpp
file_sys/vfs_offset.h
file_sys/vfs_real.cpp

35
src/core/core.cpp
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@ -5,6 +5,7 @@
#include <memory>
#include <utility>
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/gdbstub/gdbstub.h"
@ -17,6 +18,7 @@
#include "core/hle/service/sm/sm.h"
#include "core/loader/loader.h"
#include "core/settings.h"
#include "file_sys/vfs_concat.h"
#include "file_sys/vfs_real.h"
#include "video_core/renderer_base.h"
#include "video_core/video_core.h"
@ -88,8 +90,39 @@ System::ResultStatus System::SingleStep() {
return RunLoop(false);
}
static FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
const std::string& path) {
// To account for split 00+01+etc files.
std::string dir_name;
std::string filename;
Common::SplitPath(path, &dir_name, &filename, nullptr);
if (filename == "00") {
const auto dir = vfs->OpenDirectory(dir_name, FileSys::Mode::Read);
std::vector<FileSys::VirtualFile> concat;
for (u8 i = 0; i < 0x10; ++i) {
auto next = dir->GetFile(fmt::format("{:02X}", i));
if (next != nullptr)
concat.push_back(std::move(next));
else {
next = dir->GetFile(fmt::format("{:02x}", i));
if (next != nullptr)
concat.push_back(std::move(next));
else
break;
}
}
if (concat.empty())
return nullptr;
return FileSys::ConcatenateFiles(concat, dir->GetName());
}
return vfs->OpenFile(path, FileSys::Mode::Read);
}
System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::string& filepath) {
app_loader = Loader::GetLoader(virtual_filesystem->OpenFile(filepath, FileSys::Mode::Read));
app_loader = Loader::GetLoader(GetGameFileFromPath(virtual_filesystem, filepath));
if (!app_loader) {
LOG_CRITICAL(Core, "Failed to obtain loader for {}!", filepath);

35
src/core/crypto/key_manager.cpp
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@ -10,44 +10,13 @@
#include <string_view>
#include "common/common_paths.h"
#include "common/file_util.h"
#include "common/hex_util.h"
#include "common/logging/log.h"
#include "core/crypto/key_manager.h"
#include "core/settings.h"
namespace Core::Crypto {
static u8 ToHexNibble(char c1) {
if (c1 >= 65 && c1 <= 70)
return c1 - 55;
if (c1 >= 97 && c1 <= 102)
return c1 - 87;
if (c1 >= 48 && c1 <= 57)
return c1 - 48;
throw std::logic_error("Invalid hex digit");
}
template <size_t Size>
static std::array<u8, Size> HexStringToArray(std::string_view str) {
std::array<u8, Size> out{};
for (size_t i = 0; i < 2 * Size; i += 2) {
auto d1 = str[i];
auto d2 = str[i + 1];
out[i / 2] = (ToHexNibble(d1) << 4) | ToHexNibble(d2);
}
return out;
}
std::array<u8, 16> operator""_array16(const char* str, size_t len) {
if (len != 32)
throw std::logic_error("Not of correct size.");
return HexStringToArray<16>(str);
}
std::array<u8, 32> operator""_array32(const char* str, size_t len) {
if (len != 64)
throw std::logic_error("Not of correct size.");
return HexStringToArray<32>(str);
}
KeyManager::KeyManager() {
// Initialize keys
const std::string hactool_keys_dir = FileUtil::GetHactoolConfigurationPath();

3
src/core/crypto/key_manager.h
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@ -87,9 +87,6 @@ struct hash<Core::Crypto::KeyIndex<KeyType>> {
namespace Core::Crypto {
std::array<u8, 0x10> operator"" _array16(const char* str, size_t len);
std::array<u8, 0x20> operator"" _array32(const char* str, size_t len);
class KeyManager {
public:
KeyManager();

31
src/core/file_sys/bis_factory.cpp Normal file
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@ -0,0 +1,31 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/file_sys/bis_factory.h"
namespace FileSys {
static VirtualDir GetOrCreateDirectory(const VirtualDir& dir, std::string_view path) {
const auto res = dir->GetDirectoryRelative(path);
if (res == nullptr)
return dir->CreateDirectoryRelative(path);
return res;
}
BISFactory::BISFactory(VirtualDir nand_root_)
: nand_root(std::move(nand_root_)),
sysnand_cache(std::make_shared<RegisteredCache>(
GetOrCreateDirectory(nand_root, "/system/Contents/registered"))),
usrnand_cache(std::make_shared<RegisteredCache>(
GetOrCreateDirectory(nand_root, "/user/Contents/registered"))) {}
std::shared_ptr<RegisteredCache> BISFactory::GetSystemNANDContents() const {
return sysnand_cache;
}
std::shared_ptr<RegisteredCache> BISFactory::GetUserNANDContents() const {
return usrnand_cache;
}
} // namespace FileSys

30
src/core/file_sys/bis_factory.h Normal file
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@ -0,0 +1,30 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include "core/loader/loader.h"
#include "registered_cache.h"
namespace FileSys {
/// File system interface to the Built-In Storage
/// This is currently missing accessors to BIS partitions, but seemed like a good place for the NAND
/// registered caches.
class BISFactory {
public:
explicit BISFactory(VirtualDir nand_root);
std::shared_ptr<RegisteredCache> GetSystemNANDContents() const;
std::shared_ptr<RegisteredCache> GetUserNANDContents() const;
private:
VirtualDir nand_root;
std::shared_ptr<RegisteredCache> sysnand_cache;
std::shared_ptr<RegisteredCache> usrnand_cache;
};
} // namespace FileSys

4
src/core/file_sys/card_image.cpp
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@ -96,6 +96,10 @@ VirtualDir XCI::GetLogoPartition() const {
return GetPartition(XCIPartition::Logo);
}
const std::vector<std::shared_ptr<NCA>>& XCI::GetNCAs() const {
return ncas;
}
std::shared_ptr<NCA> XCI::GetNCAByType(NCAContentType type) const {
const auto iter =
std::find_if(ncas.begin(), ncas.end(),

1
src/core/file_sys/card_image.h
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@ -68,6 +68,7 @@ public:
VirtualDir GetUpdatePartition() const;
VirtualDir GetLogoPartition() const;
const std::vector<std::shared_ptr<NCA>>& GetNCAs() const;
std::shared_ptr<NCA> GetNCAByType(NCAContentType type) const;
VirtualFile GetNCAFileByType(NCAContentType type) const;

2
src/core/file_sys/control_metadata.cpp
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@ -16,7 +16,7 @@ std::string LanguageEntry::GetDeveloperName() const {
return Common::StringFromFixedZeroTerminatedBuffer(developer_name.data(), 0x100);
}
NACP::NACP(VirtualFile file_) : file(std::move(file_)), raw(std::make_unique<RawNACP>()) {
NACP::NACP(VirtualFile file) : raw(std::make_unique<RawNACP>()) {
file->ReadObject(raw.get());
}

1
src/core/file_sys/control_metadata.h
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@ -81,7 +81,6 @@ public:
std::string GetVersionString() const;
private:
VirtualFile file;
std::unique_ptr<RawNACP> raw;
};

131
src/core/file_sys/nca_metadata.cpp Normal file
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@ -0,0 +1,131 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstring>
#include "common/common_funcs.h"
#include "common/logging/log.h"
#include "common/swap.h"
#include "content_archive.h"
#include "core/file_sys/nca_metadata.h"
namespace FileSys {
bool operator>=(TitleType lhs, TitleType rhs) {
return static_cast<size_t>(lhs) >= static_cast<size_t>(rhs);
}
bool operator<=(TitleType lhs, TitleType rhs) {
return static_cast<size_t>(lhs) <= static_cast<size_t>(rhs);
}
CNMT::CNMT(VirtualFile file) {
if (file->ReadObject(&header) != sizeof(CNMTHeader))
return;
// If type is {Application, Update, AOC} has opt-header.
if (header.type >= TitleType::Application && header.type <= TitleType::AOC) {
if (file->ReadObject(&opt_header, sizeof(CNMTHeader)) != sizeof(OptionalHeader)) {
LOG_WARNING(Loader, "Failed to read optional header.");
}
}
for (u16 i = 0; i < header.number_content_entries; ++i) {
auto& next = content_records.emplace_back(ContentRecord{});
if (file->ReadObject(&next, sizeof(CNMTHeader) + i * sizeof(ContentRecord) +
header.table_offset) != sizeof(ContentRecord)) {
content_records.erase(content_records.end() - 1);
}
}
for (u16 i = 0; i < header.number_meta_entries; ++i) {
auto& next = meta_records.emplace_back(MetaRecord{});
if (file->ReadObject(&next, sizeof(CNMTHeader) + i * sizeof(MetaRecord) +
header.table_offset) != sizeof(MetaRecord)) {
meta_records.erase(meta_records.end() - 1);
}
}
}
CNMT::CNMT(CNMTHeader header, OptionalHeader opt_header, std::vector<ContentRecord> content_records,
std::vector<MetaRecord> meta_records)
: header(std::move(header)), opt_header(std::move(opt_header)),
content_records(std::move(content_records)), meta_records(std::move(meta_records)) {}
u64 CNMT::GetTitleID() const {
return header.title_id;
}
u32 CNMT::GetTitleVersion() const {
return header.title_version;
}
TitleType CNMT::GetType() const {
return header.type;
}
const std::vector<ContentRecord>& CNMT::GetContentRecords() const {
return content_records;
}
const std::vector<MetaRecord>& CNMT::GetMetaRecords() const {
return meta_records;
}
bool CNMT::UnionRecords(const CNMT& other) {
bool change = false;
for (const auto& rec : other.content_records) {
const auto iter = std::find_if(content_records.begin(), content_records.end(),
[&rec](const ContentRecord& r) {
return r.nca_id == rec.nca_id && r.type == rec.type;
});
if (iter == content_records.end()) {
content_records.emplace_back(rec);
++header.number_content_entries;
change = true;
}
}
for (const auto& rec : other.meta_records) {
const auto iter =
std::find_if(meta_records.begin(), meta_records.end(), [&rec](const MetaRecord& r) {
return r.title_id == rec.title_id && r.title_version == rec.title_version &&
r.type == rec.type;
});
if (iter == meta_records.end()) {
meta_records.emplace_back(rec);
++header.number_meta_entries;
change = true;
}
}
return change;
}
std::vector<u8> CNMT::Serialize() const {
const bool has_opt_header =
header.type >= TitleType::Application && header.type <= TitleType::AOC;
const auto dead_zone = header.table_offset + sizeof(CNMTHeader);
std::vector<u8> out(
std::max(sizeof(CNMTHeader) + (has_opt_header ? sizeof(OptionalHeader) : 0), dead_zone) +
content_records.size() * sizeof(ContentRecord) + meta_records.size() * sizeof(MetaRecord));
memcpy(out.data(), &header, sizeof(CNMTHeader));
// Optional Header
if (has_opt_header) {
memcpy(out.data() + sizeof(CNMTHeader), &opt_header, sizeof(OptionalHeader));
}
auto offset = header.table_offset;
for (const auto& rec : content_records) {
memcpy(out.data() + offset + sizeof(CNMTHeader), &rec, sizeof(ContentRecord));
offset += sizeof(ContentRecord);
}
for (const auto& rec : meta_records) {
memcpy(out.data() + offset + sizeof(CNMTHeader), &rec, sizeof(MetaRecord));
offset += sizeof(MetaRecord);
}
return out;
}
} // namespace FileSys

111
src/core/file_sys/nca_metadata.h Normal file
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@ -0,0 +1,111 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <cstring>
#include <memory>
#include <vector>
#include "common/common_types.h"
#include "common/swap.h"
#include "core/file_sys/vfs.h"
namespace FileSys {
class CNMT;
struct CNMTHeader;
struct OptionalHeader;
enum class TitleType : u8 {
SystemProgram = 0x01,
SystemDataArchive = 0x02,
SystemUpdate = 0x03,
FirmwarePackageA = 0x04,
FirmwarePackageB = 0x05,
Application = 0x80,
Update = 0x81,
AOC = 0x82,
DeltaTitle = 0x83,
};
bool operator>=(TitleType lhs, TitleType rhs);
bool operator<=(TitleType lhs, TitleType rhs);
enum class ContentRecordType : u8 {
Meta = 0,
Program = 1,
Data = 2,
Control = 3,
Manual = 4,
Legal = 5,
Patch = 6,
};
struct ContentRecord {
std::array<u8, 0x20> hash;
std::array<u8, 0x10> nca_id;
std::array<u8, 0x6> size;
ContentRecordType type;
INSERT_PADDING_BYTES(1);
};
static_assert(sizeof(ContentRecord) == 0x38, "ContentRecord has incorrect size.");
constexpr ContentRecord EMPTY_META_CONTENT_RECORD{{}, {}, {}, ContentRecordType::Meta, {}};
struct MetaRecord {
u64_le title_id;
u32_le title_version;
TitleType type;
u8 install_byte;
INSERT_PADDING_BYTES(2);
};
static_assert(sizeof(MetaRecord) == 0x10, "MetaRecord has incorrect size.");
struct OptionalHeader {
u64_le title_id;
u64_le minimum_version;
};
static_assert(sizeof(OptionalHeader) == 0x10, "OptionalHeader has incorrect size.");
struct CNMTHeader {
u64_le title_id;
u32_le title_version;
TitleType type;
INSERT_PADDING_BYTES(1);
u16_le table_offset;
u16_le number_content_entries;
u16_le number_meta_entries;
INSERT_PADDING_BYTES(12);
};
static_assert(sizeof(CNMTHeader) == 0x20, "CNMTHeader has incorrect size.");
// A class representing the format used by NCA metadata files, typically named {}.cnmt.nca or
// meta0.ncd. These describe which NCA's belong with which titles in the registered cache.
class CNMT {
public:
explicit CNMT(VirtualFile file);
CNMT(CNMTHeader header, OptionalHeader opt_header, std::vector<ContentRecord> content_records,
std::vector<MetaRecord> meta_records);
u64 GetTitleID() const;
u32 GetTitleVersion() const;
TitleType GetType() const;
const std::vector<ContentRecord>& GetContentRecords() const;
const std::vector<MetaRecord>& GetMetaRecords() const;
bool UnionRecords(const CNMT& other);
std::vector<u8> Serialize() const;
private:
CNMTHeader header;
OptionalHeader opt_header;
std::vector<ContentRecord> content_records;
std::vector<MetaRecord> meta_records;
// TODO(DarkLordZach): According to switchbrew, for Patch-type there is additional data
// after the table. This is not documented, unfortunately.
};
} // namespace FileSys

476
src/core/file_sys/registered_cache.cpp Normal file
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@ -0,0 +1,476 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <regex>
#include <mbedtls/sha256.h>
#include "common/assert.h"
#include "common/hex_util.h"
#include "common/logging/log.h"
#include "core/crypto/encryption_layer.h"
#include "core/file_sys/card_image.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/vfs_concat.h"
namespace FileSys {
std::string RegisteredCacheEntry::DebugInfo() const {
return fmt::format("title_id={:016X}, content_type={:02X}", title_id, static_cast<u8>(type));
}
bool operator<(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs) {
return (lhs.title_id < rhs.title_id) || (lhs.title_id == rhs.title_id && lhs.type < rhs.type);
}
static bool FollowsTwoDigitDirFormat(std::string_view name) {
static const std::regex two_digit_regex("000000[0-9A-F]{2}", std::regex_constants::ECMAScript |
std::regex_constants::icase);
return std::regex_match(name.begin(), name.end(), two_digit_regex);
}
static bool FollowsNcaIdFormat(std::string_view name) {
static const std::regex nca_id_regex("[0-9A-F]{32}\\.nca", std::regex_constants::ECMAScript |
std::regex_constants::icase);
return name.size() == 36 && std::regex_match(name.begin(), name.end(), nca_id_regex);
}
static std::string GetRelativePathFromNcaID(const std::array<u8, 16>& nca_id, bool second_hex_upper,
bool within_two_digit) {
if (!within_two_digit)
return fmt::format("/{}.nca", HexArrayToString(nca_id, second_hex_upper));
Core::Crypto::SHA256Hash hash{};
mbedtls_sha256(nca_id.data(), nca_id.size(), hash.data(), 0);
return fmt::format("/000000{:02X}/{}.nca", hash[0], HexArrayToString(nca_id, second_hex_upper));
}
static std::string GetCNMTName(TitleType type, u64 title_id) {
constexpr std::array<const char*, 9> TITLE_TYPE_NAMES{
"SystemProgram",
"SystemData",
"SystemUpdate",
"BootImagePackage",
"BootImagePackageSafe",
"Application",
"Patch",
"AddOnContent",
"" ///< Currently unknown 'DeltaTitle'
};
auto index = static_cast<size_t>(type);
// If the index is after the jump in TitleType, subtract it out.
if (index >= static_cast<size_t>(TitleType::Application)) {
index -= static_cast<size_t>(TitleType::Application) -
static_cast<size_t>(TitleType::FirmwarePackageB);
}
return fmt::format("{}_{:016x}.cnmt", TITLE_TYPE_NAMES[index], title_id);
}
static ContentRecordType GetCRTypeFromNCAType(NCAContentType type) {
switch (type) {
case NCAContentType::Program:
// TODO(DarkLordZach): Differentiate between Program and Patch
return ContentRecordType::Program;
case NCAContentType::Meta:
return ContentRecordType::Meta;
case NCAContentType::Control:
return ContentRecordType::Control;
case NCAContentType::Data:
return ContentRecordType::Data;
case NCAContentType::Manual:
// TODO(DarkLordZach): Peek at NCA contents to differentiate Manual and Legal.
return ContentRecordType::Manual;
default:
UNREACHABLE();
}
}
VirtualFile RegisteredCache::OpenFileOrDirectoryConcat(const VirtualDir& dir,
std::string_view path) const {
if (dir->GetFileRelative(path) != nullptr)
return dir->GetFileRelative(path);
if (dir->GetDirectoryRelative(path) != nullptr) {
const auto nca_dir = dir->GetDirectoryRelative(path);
VirtualFile file = nullptr;
const auto files = nca_dir->GetFiles();
if (files.size() == 1 && files[0]->GetName() == "00") {
file = files[0];
} else {
std::vector<VirtualFile> concat;
// Since the files are a two-digit hex number, max is FF.
for (size_t i = 0; i < 0x100; ++i) {
auto next = nca_dir->GetFile(fmt::format("{:02X}", i));
if (next != nullptr) {
concat.push_back(std::move(next));
} else {
next = nca_dir->GetFile(fmt::format("{:02x}", i));
if (next != nullptr)
concat.push_back(std::move(next));
else
break;
}
}
if (concat.empty())
return nullptr;
file = FileSys::ConcatenateFiles(concat);
}
return file;
}
return nullptr;
}
VirtualFile RegisteredCache::GetFileAtID(NcaID id) const {
VirtualFile file;
// Try all four modes of file storage:
// (bit 1 = uppercase/lower, bit 0 = within a two-digit dir)
// 00: /000000**/{:032X}.nca
// 01: /{:032X}.nca
// 10: /000000**/{:032x}.nca
// 11: /{:032x}.nca
for (u8 i = 0; i < 4; ++i) {
const auto path = GetRelativePathFromNcaID(id, (i & 0b10) == 0, (i & 0b01) == 0);
file = OpenFileOrDirectoryConcat(dir, path);
if (file != nullptr)
return file;
}
return file;
}
static boost::optional<NcaID> CheckMapForContentRecord(
const boost::container::flat_map<u64, CNMT>& map, u64 title_id, ContentRecordType type) {
if (map.find(title_id) == map.end())
return boost::none;
const auto& cnmt = map.at(title_id);
const auto iter = std::find_if(cnmt.GetContentRecords().begin(), cnmt.GetContentRecords().end(),
[type](const ContentRecord& rec) { return rec.type == type; });
if (iter == cnmt.GetContentRecords().end())
return boost::none;
return boost::make_optional(iter->nca_id);
}
boost::optional<NcaID> RegisteredCache::GetNcaIDFromMetadata(u64 title_id,
ContentRecordType type) const {
if (type == ContentRecordType::Meta && meta_id.find(title_id) != meta_id.end())
return meta_id.at(title_id);
const auto res1 = CheckMapForContentRecord(yuzu_meta, title_id, type);
if (res1 != boost::none)
return res1;
return CheckMapForContentRecord(meta, title_id, type);
}
std::vector<NcaID> RegisteredCache::AccumulateFiles() const {
std::vector<NcaID> ids;
for (const auto& d2_dir : dir->GetSubdirectories()) {
if (FollowsNcaIdFormat(d2_dir->GetName())) {
ids.push_back(HexStringToArray<0x10, true>(d2_dir->GetName().substr(0, 0x20)));
continue;
}
if (!FollowsTwoDigitDirFormat(d2_dir->GetName()))
continue;
for (const auto& nca_dir : d2_dir->GetSubdirectories()) {
if (!FollowsNcaIdFormat(nca_dir->GetName()))
continue;
ids.push_back(HexStringToArray<0x10, true>(nca_dir->GetName().substr(0, 0x20)));
}
for (const auto& nca_file : d2_dir->GetFiles()) {
if (!FollowsNcaIdFormat(nca_file->GetName()))
continue;
ids.push_back(HexStringToArray<0x10, true>(nca_file->GetName().substr(0, 0x20)));
}
}
for (const auto& d2_file : dir->GetFiles()) {
if (FollowsNcaIdFormat(d2_file->GetName()))
ids.push_back(HexStringToArray<0x10, true>(d2_file->GetName().substr(0, 0x20)));
}
return ids;
}
void RegisteredCache::ProcessFiles(const std::vector<NcaID>& ids) {
for (const auto& id : ids) {
const auto file = GetFileAtID(id);
if (file == nullptr)
continue;
const auto nca = std::make_shared<NCA>(parser(file, id));
if (nca->GetStatus() != Loader::ResultStatus::Success ||
nca->GetType() != NCAContentType::Meta) {
continue;
}
const auto section0 = nca->GetSubdirectories()[0];
for (const auto& file : section0->GetFiles()) {
if (file->GetExtension() != "cnmt")
continue;
meta.insert_or_assign(nca->GetTitleId(), CNMT(file));
meta_id.insert_or_assign(nca->GetTitleId(), id);
break;
}
}
}
void RegisteredCache::AccumulateYuzuMeta() {
const auto dir = this->dir->GetSubdirectory("yuzu_meta");
if (dir == nullptr)
return;
for (const auto& file : dir->GetFiles()) {
if (file->GetExtension() != "cnmt")
continue;
CNMT cnmt(file);
yuzu_meta.insert_or_assign(cnmt.GetTitleID(), std::move(cnmt));
}
}
void RegisteredCache::Refresh() {
if (dir == nullptr)
return;
const auto ids = AccumulateFiles();
ProcessFiles(ids);
AccumulateYuzuMeta();
}
RegisteredCache::RegisteredCache(VirtualDir dir_, RegisteredCacheParsingFunction parsing_function)
: dir(std::move(dir_)), parser(std::move(parsing_function)) {
Refresh();
}
bool RegisteredCache::HasEntry(u64 title_id, ContentRecordType type) const {
return GetEntryRaw(title_id, type) != nullptr;
}
bool RegisteredCache::HasEntry(RegisteredCacheEntry entry) const {
return GetEntryRaw(entry) != nullptr;
}
VirtualFile RegisteredCache::GetEntryRaw(u64 title_id, ContentRecordType type) const {
const auto id = GetNcaIDFromMetadata(title_id, type);
if (id == boost::none)
return nullptr;
return parser(GetFileAtID(id.get()), id.get());
}
VirtualFile RegisteredCache::GetEntryRaw(RegisteredCacheEntry entry) const {
return GetEntryRaw(entry.title_id, entry.type);
}
std::shared_ptr<NCA> RegisteredCache::GetEntry(u64 title_id, ContentRecordType type) const {
const auto raw = GetEntryRaw(title_id, type);
if (raw == nullptr)
return nullptr;
return std::make_shared<NCA>(raw);
}
std::shared_ptr<NCA> RegisteredCache::GetEntry(RegisteredCacheEntry entry) const {
return GetEntry(entry.title_id, entry.type);
}
template <typename T>
void RegisteredCache::IterateAllMetadata(
std::vector<T>& out, std::function<T(const CNMT&, const ContentRecord&)> proc,
std::function<bool(const CNMT&, const ContentRecord&)> filter) const {
for (const auto& kv : meta) {
const auto& cnmt = kv.second;
if (filter(cnmt, EMPTY_META_CONTENT_RECORD))
out.push_back(proc(cnmt, EMPTY_META_CONTENT_RECORD));
for (const auto& rec : cnmt.GetContentRecords()) {
if (GetFileAtID(rec.nca_id) != nullptr && filter(cnmt, rec)) {
out.push_back(proc(cnmt, rec));
}
}
}
for (const auto& kv : yuzu_meta) {
const auto& cnmt = kv.second;
for (const auto& rec : cnmt.GetContentRecords()) {
if (GetFileAtID(rec.nca_id) != nullptr && filter(cnmt, rec)) {
out.push_back(proc(cnmt, rec));
}
}
}
}
std::vector<RegisteredCacheEntry> RegisteredCache::ListEntries() const {
std::vector<RegisteredCacheEntry> out;
IterateAllMetadata<RegisteredCacheEntry>(
out,
[](const CNMT& c, const ContentRecord& r) {
return RegisteredCacheEntry{c.GetTitleID(), r.type};
},
[](const CNMT& c, const ContentRecord& r) { return true; });
return out;
}
std::vector<RegisteredCacheEntry> RegisteredCache::ListEntriesFilter(
boost::optional<TitleType> title_type, boost::optional<ContentRecordType> record_type,
boost::optional<u64> title_id) const {
std::vector<RegisteredCacheEntry> out;
IterateAllMetadata<RegisteredCacheEntry>(
out,
[](const CNMT& c, const ContentRecord& r) {
return RegisteredCacheEntry{c.GetTitleID(), r.type};
},
[&title_type, &record_type, &title_id](const CNMT& c, const ContentRecord& r) {
if (title_type != boost::none && title_type.get() != c.GetType())
return false;
if (record_type != boost::none && record_type.get() != r.type)
return false;
if (title_id != boost::none && title_id.get() != c.GetTitleID())
return false;
return true;
});
return out;
}
static std::shared_ptr<NCA> GetNCAFromXCIForID(std::shared_ptr<XCI> xci, const NcaID& id) {
const auto filename = fmt::format("{}.nca", HexArrayToString(id, false));
const auto iter =
std::find_if(xci->GetNCAs().begin(), xci->GetNCAs().end(),
[&filename](std::shared_ptr<NCA> nca) { return nca->GetName() == filename; });
return iter == xci->GetNCAs().end() ? nullptr : *iter;
}
InstallResult RegisteredCache::InstallEntry(std::shared_ptr<XCI> xci, bool overwrite_if_exists,
const VfsCopyFunction& copy) {
const auto& ncas = xci->GetNCAs();
const auto& meta_iter = std::find_if(ncas.begin(), ncas.end(), [](std::shared_ptr<NCA> nca) {
return nca->GetType() == NCAContentType::Meta;
});
if (meta_iter == ncas.end()) {
LOG_ERROR(Loader, "The XCI you are attempting to install does not have a metadata NCA and "
"is therefore malformed. Double check your encryption keys.");
return InstallResult::ErrorMetaFailed;
}
// Install Metadata File
const auto meta_id_raw = (*meta_iter)->GetName().substr(0, 32);
const auto meta_id = HexStringToArray<16>(meta_id_raw);
const auto res = RawInstallNCA(*meta_iter, copy, overwrite_if_exists, meta_id);
if (res != InstallResult::Success)
return res;
// Install all the other NCAs
const auto section0 = (*meta_iter)->GetSubdirectories()[0];
const auto cnmt_file = section0->GetFiles()[0];
const CNMT cnmt(cnmt_file);
for (const auto& record : cnmt.GetContentRecords()) {
const auto nca = GetNCAFromXCIForID(xci, record.nca_id);
if (nca == nullptr)
return InstallResult::ErrorCopyFailed;
const auto res2 = RawInstallNCA(nca, copy, overwrite_if_exists, record.nca_id);
if (res2 != InstallResult::Success)
return res2;
}
Refresh();
return InstallResult::Success;
}
InstallResult RegisteredCache::InstallEntry(std::shared_ptr<NCA> nca, TitleType type,
bool overwrite_if_exists, const VfsCopyFunction& copy) {
CNMTHeader header{
nca->GetTitleId(), ///< Title ID
0, ///< Ignore/Default title version
type, ///< Type
{}, ///< Padding
0x10, ///< Default table offset
1, ///< 1 Content Entry
0, ///< No Meta Entries
{}, ///< Padding
};
OptionalHeader opt_header{0, 0};
ContentRecord c_rec{{}, {}, {}, GetCRTypeFromNCAType(nca->GetType()), {}};
const auto& data = nca->GetBaseFile()->ReadBytes(0x100000);
mbedtls_sha256(data.data(), data.size(), c_rec.hash.data(), 0);
memcpy(&c_rec.nca_id, &c_rec.hash, 16);
const CNMT new_cnmt(header, opt_header, {c_rec}, {});
if (!RawInstallYuzuMeta(new_cnmt))
return InstallResult::ErrorMetaFailed;
return RawInstallNCA(nca, copy, overwrite_if_exists, c_rec.nca_id);
}
InstallResult RegisteredCache::RawInstallNCA(std::shared_ptr<NCA> nca, const VfsCopyFunction& copy,
bool overwrite_if_exists,
boost::optional<NcaID> override_id) {
const auto in = nca->GetBaseFile();
Core::Crypto::SHA256Hash hash{};
// Calculate NcaID
// NOTE: Because computing the SHA256 of an entire NCA is quite expensive (especially if the
// game is massive), we're going to cheat and only hash the first MB of the NCA.
// Also, for XCIs the NcaID matters, so if the override id isn't none, use that.
NcaID id{};
if (override_id == boost::none) {
const auto& data = in->ReadBytes(0x100000);
mbedtls_sha256(data.data(), data.size(), hash.data(), 0);
memcpy(id.data(), hash.data(), 16);
} else {
id = override_id.get();
}
std::string path = GetRelativePathFromNcaID(id, false, true);
if (GetFileAtID(id) != nullptr && !overwrite_if_exists) {
LOG_WARNING(Loader, "Attempting to overwrite existing NCA. Skipping...");
return InstallResult::ErrorAlreadyExists;
}
if (GetFileAtID(id) != nullptr) {
LOG_WARNING(Loader, "Overwriting existing NCA...");
VirtualDir c_dir;
{ c_dir = dir->GetFileRelative(path)->GetContainingDirectory(); }
c_dir->DeleteFile(FileUtil::GetFilename(path));
}
auto out = dir->CreateFileRelative(path);
if (out == nullptr)
return InstallResult::ErrorCopyFailed;
return copy(in, out) ? InstallResult::Success : InstallResult::ErrorCopyFailed;
}
bool RegisteredCache::RawInstallYuzuMeta(const CNMT& cnmt) {
// Reasoning behind this method can be found in the comment for InstallEntry, NCA overload.
const auto dir = this->dir->CreateDirectoryRelative("yuzu_meta");
const auto filename = GetCNMTName(cnmt.GetType(), cnmt.GetTitleID());
if (dir->GetFile(filename) == nullptr) {
auto out = dir->CreateFile(filename);
const auto buffer = cnmt.Serialize();
out->Resize(buffer.size());
out->WriteBytes(buffer);
} else {
auto out = dir->GetFile(filename);
CNMT old_cnmt(out);
// Returns true on change
if (old_cnmt.UnionRecords(cnmt)) {
out->Resize(0);
const auto buffer = old_cnmt.Serialize();
out->Resize(buffer.size());
out->WriteBytes(buffer);
}
}
Refresh();
return std::find_if(yuzu_meta.begin(), yuzu_meta.end(),
[&cnmt](const std::pair<u64, CNMT>& kv) {
return kv.second.GetType() == cnmt.GetType() &&
kv.second.GetTitleID() == cnmt.GetTitleID();
}) != yuzu_meta.end();
}
} // namespace FileSys

124
src/core/file_sys/registered_cache.h Normal file
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@ -0,0 +1,124 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <functional>
#include <map>
#include <memory>
#include <string>
#include <vector>
#include <boost/container/flat_map.hpp>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "content_archive.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/vfs.h"
namespace FileSys {
class XCI;
class CNMT;
using NcaID = std::array<u8, 0x10>;
using RegisteredCacheParsingFunction = std::function<VirtualFile(const VirtualFile&, const NcaID&)>;
using VfsCopyFunction = std::function<bool(VirtualFile, VirtualFile)>;
enum class InstallResult {
Success,
ErrorAlreadyExists,
ErrorCopyFailed,
ErrorMetaFailed,
};
struct RegisteredCacheEntry {
u64 title_id;
ContentRecordType type;
std::string DebugInfo() const;
};
// boost flat_map requires operator< for O(log(n)) lookups.
bool operator<(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs);
/*
* A class that catalogues NCAs in the registered directory structure.
* Nintendo's registered format follows this structure:
*
* Root
* | 000000XX <- XX is the ____ two digits of the NcaID
* | <hash>.nca <- hash is the NcaID (first half of SHA256 over entire file) (folder)
* | 00
* | 01 <- Actual content split along 4GB boundaries. (optional)
*
* (This impl also supports substituting the nca dir for an nca file, as that's more convenient when
* 4GB splitting can be ignored.)
*/
class RegisteredCache {
public:
// Parsing function defines the conversion from raw file to NCA. If there are other steps
// besides creating the NCA from the file (e.g. NAX0 on SD Card), that should go in a custom
// parsing function.
explicit RegisteredCache(VirtualDir dir,
RegisteredCacheParsingFunction parsing_function =
[](const VirtualFile& file, const NcaID& id) { return file; });
void Refresh();
bool HasEntry(u64 title_id, ContentRecordType type) const;
bool HasEntry(RegisteredCacheEntry entry) const;
VirtualFile GetEntryRaw(u64 title_id, ContentRecordType type) const;
VirtualFile GetEntryRaw(RegisteredCacheEntry entry) const;
std::shared_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const;
std::shared_ptr<NCA> GetEntry(RegisteredCacheEntry entry) const;
std::vector<RegisteredCacheEntry> ListEntries() const;
// If a parameter is not boost::none, it will be filtered for from all entries.
std::vector<RegisteredCacheEntry> ListEntriesFilter(
boost::optional<TitleType> title_type = boost::none,
boost::optional<ContentRecordType> record_type = boost::none,
boost::optional<u64> title_id = boost::none) const;
// Raw copies all the ncas from the xci to the csache. Does some quick checks to make sure there
// is a meta NCA and all of them are accessible.
InstallResult InstallEntry(std::shared_ptr<XCI> xci, bool overwrite_if_exists = false,
const VfsCopyFunction& copy = &VfsRawCopy);
// Due to the fact that we must use Meta-type NCAs to determine the existance of files, this
// poses quite a challenge. Instead of creating a new meta NCA for this file, yuzu will create a
// dir inside the NAND called 'yuzu_meta' and store the raw CNMT there.
// TODO(DarkLordZach): Author real meta-type NCAs and install those.
InstallResult InstallEntry(std::shared_ptr<NCA> nca, TitleType type,
bool overwrite_if_exists = false,
const VfsCopyFunction& copy = &VfsRawCopy);
private:
template <typename T>
void IterateAllMetadata(std::vector<T>& out,
std::function<T(const CNMT&, const ContentRecord&)> proc,
std::function<bool(const CNMT&, const ContentRecord&)> filter) const;
std::vector<NcaID> AccumulateFiles() const;
void ProcessFiles(const std::vector<NcaID>& ids);
void AccumulateYuzuMeta();
boost::optional<NcaID> GetNcaIDFromMetadata(u64 title_id, ContentRecordType type) const;
VirtualFile GetFileAtID(NcaID id) const;
VirtualFile OpenFileOrDirectoryConcat(const VirtualDir& dir, std::string_view path) const;
InstallResult RawInstallNCA(std::shared_ptr<NCA> nca, const VfsCopyFunction& copy,
bool overwrite_if_exists,
boost::optional<NcaID> override_id = boost::none);
bool RawInstallYuzuMeta(const CNMT& cnmt);
VirtualDir dir;
RegisteredCacheParsingFunction parser;
// maps tid -> NcaID of meta
boost::container::flat_map<u64, NcaID> meta_id;
// maps tid -> meta
boost::container::flat_map<u64, CNMT> meta;
// maps tid -> meta for CNMT in yuzu_meta
boost::container::flat_map<u64, CNMT> yuzu_meta;
};
} // namespace FileSys

8
src/core/file_sys/romfs.cpp
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@ -65,7 +65,7 @@ void ProcessFile(VirtualFile file, size_t file_offset, size_t data_offset, u32 t
auto entry = GetEntry<FileEntry>(file, file_offset + this_file_offset);
parent->AddFile(std::make_shared<OffsetVfsFile>(
file, entry.first.size, entry.first.offset + data_offset, entry.second, parent));
file, entry.first.size, entry.first.offset + data_offset, entry.second));
if (entry.first.sibling == ROMFS_ENTRY_EMPTY)
break;
@ -79,7 +79,7 @@ void ProcessDirectory(VirtualFile file, size_t dir_offset, size_t file_offset, s
while (true) {
auto entry = GetEntry<DirectoryEntry>(file, dir_offset + this_dir_offset);
auto current = std::make_shared<VectorVfsDirectory>(
std::vector<VirtualFile>{}, std::vector<VirtualDir>{}, parent, entry.second);
std::vector<VirtualFile>{}, std::vector<VirtualDir>{}, entry.second);
if (entry.first.child_file != ROMFS_ENTRY_EMPTY) {
ProcessFile(file, file_offset, data_offset, entry.first.child_file, current);
@ -108,9 +108,9 @@ VirtualDir ExtractRomFS(VirtualFile file) {
const u64 file_offset = header.file_meta.offset;
const u64 dir_offset = header.directory_meta.offset + 4;
const auto root =
auto root =
std::make_shared<VectorVfsDirectory>(std::vector<VirtualFile>{}, std::vector<VirtualDir>{},
file->GetContainingDirectory(), file->GetName());
file->GetName(), file->GetContainingDirectory());
ProcessDirectory(file, dir_offset, file_offset, header.data_offset, 0, root);

94
src/core/file_sys/vfs_concat.cpp Normal file
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@ -0,0 +1,94 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <utility>
#include "core/file_sys/vfs_concat.h"
namespace FileSys {
VirtualFile ConcatenateFiles(std::vector<VirtualFile> files, std::string name) {
if (files.empty())
return nullptr;
if (files.size() == 1)
return files[0];
return std::shared_ptr<VfsFile>(new ConcatenatedVfsFile(std::move(files), std::move(name)));
}
ConcatenatedVfsFile::ConcatenatedVfsFile(std::vector<VirtualFile> files_, std::string name)
: name(std::move(name)) {
size_t next_offset = 0;
for (const auto& file : files_) {
files[next_offset] = file;
next_offset += file->GetSize();
}
}
std::string ConcatenatedVfsFile::GetName() const {
if (files.empty())
return "";
if (!name.empty())
return name;
return files.begin()->second->GetName();
}
size_t ConcatenatedVfsFile::GetSize() const {
if (files.empty())
return 0;
return files.rbegin()->first + files.rbegin()->second->GetSize();
}
bool ConcatenatedVfsFile::Resize(size_t new_size) {
return false;
}
std::shared_ptr<VfsDirectory> ConcatenatedVfsFile::GetContainingDirectory() const {
if (files.empty())
return nullptr;
return files.begin()->second->GetContainingDirectory();
}
bool ConcatenatedVfsFile::IsWritable() const {
return false;
}
bool ConcatenatedVfsFile::IsReadable() const {
return true;
}
size_t ConcatenatedVfsFile::Read(u8* data, size_t length, size_t offset) const {
auto entry = files.end();
for (auto iter = files.begin(); iter != files.end(); ++iter) {
if (iter->first > offset) {
entry = --iter;
break;
}
}
// Check if the entry should be the last one. The loop above will make it end().
if (entry == files.end() && offset < files.rbegin()->first + files.rbegin()->second->GetSize())
--entry;
if (entry == files.end())
return 0;
const auto remaining = entry->second->GetSize() + offset - entry->first;
if (length > remaining) {
return entry->second->Read(data, remaining, offset - entry->first) +
Read(data + remaining, length - remaining, offset + remaining);
}
return entry->second->Read(data, length, offset - entry->first);
}
size_t ConcatenatedVfsFile::Write(const u8* data, size_t length, size_t offset) {
return 0;
}
bool ConcatenatedVfsFile::Rename(std::string_view name) {
return false;
}
} // namespace FileSys

41
src/core/file_sys/vfs_concat.h Normal file
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@ -0,0 +1,41 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string_view>
#include <boost/container/flat_map.hpp>
#include "core/file_sys/vfs.h"
namespace FileSys {
// Wrapper function to allow for more efficient handling of files.size() == 0, 1 cases.
VirtualFile ConcatenateFiles(std::vector<VirtualFile> files, std::string name = "");
// Class that wraps multiple vfs files and concatenates them, making reads seamless. Currently
// read-only.
class ConcatenatedVfsFile : public VfsFile {
friend VirtualFile ConcatenateFiles(std::vector<VirtualFile> files, std::string name);
ConcatenatedVfsFile(std::vector<VirtualFile> files, std::string name);
public:
std::string GetName() const override;
size_t GetSize() const override;
bool Resize(size_t new_size) override;
std::shared_ptr<VfsDirectory> GetContainingDirectory() const override;
bool IsWritable() const override;
bool IsReadable() const override;
size_t Read(u8* data, size_t length, size_t offset) const override;
size_t Write(const u8* data, size_t length, size_t offset) override;
bool Rename(std::string_view name) override;
private:
// Maps starting offset to file -- more efficient.
boost::container::flat_map<u64, VirtualFile> files;
std::string name;
};
} // namespace FileSys

20
src/core/file_sys/vfs_real.cpp
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@ -83,8 +83,12 @@ VirtualFile RealVfsFilesystem::OpenFile(std::string_view path_, Mode perms) {
VirtualFile RealVfsFilesystem::CreateFile(std::string_view path_, Mode perms) {
const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
if (!FileUtil::Exists(path) && !FileUtil::CreateEmptyFile(path))
return nullptr;
const auto path_fwd = FileUtil::SanitizePath(path, FileUtil::DirectorySeparator::ForwardSlash);
if (!FileUtil::Exists(path)) {
FileUtil::CreateFullPath(path_fwd);
if (!FileUtil::CreateEmptyFile(path))
return nullptr;
}
return OpenFile(path, perms);
}
@ -140,8 +144,12 @@ VirtualDir RealVfsFilesystem::OpenDirectory(std::string_view path_, Mode perms)
VirtualDir RealVfsFilesystem::CreateDirectory(std::string_view path_, Mode perms) {
const auto path = FileUtil::SanitizePath(path_, FileUtil::DirectorySeparator::PlatformDefault);
if (!FileUtil::Exists(path) && !FileUtil::CreateDir(path))
return nullptr;
const auto path_fwd = FileUtil::SanitizePath(path, FileUtil::DirectorySeparator::ForwardSlash);
if (!FileUtil::Exists(path)) {
FileUtil::CreateFullPath(path_fwd);
if (!FileUtil::CreateDir(path))
return nullptr;
}
// Cannot use make_shared as RealVfsDirectory constructor is private
return std::shared_ptr<RealVfsDirectory>(new RealVfsDirectory(*this, path, perms));
}
@ -306,14 +314,14 @@ RealVfsDirectory::RealVfsDirectory(RealVfsFilesystem& base_, const std::string&
std::shared_ptr<VfsFile> RealVfsDirectory::GetFileRelative(std::string_view path) const {
const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
if (!FileUtil::Exists(full_path))
if (!FileUtil::Exists(full_path) || FileUtil::IsDirectory(full_path))
return nullptr;
return base.OpenFile(full_path, perms);
}
std::shared_ptr<VfsDirectory> RealVfsDirectory::GetDirectoryRelative(std::string_view path) const {
const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
if (!FileUtil::Exists(full_path))
if (!FileUtil::Exists(full_path) || !FileUtil::IsDirectory(full_path))
return nullptr;
return base.OpenDirectory(full_path, perms);
}

1
src/core/file_sys/vfs_real.h
View File

@ -5,7 +5,6 @@
#pragma once
#include <string_view>
#include <boost/container/flat_map.hpp>
#include "common/file_util.h"
#include "core/file_sys/mode.h"

4
src/core/file_sys/vfs_vector.cpp
View File

@ -8,8 +8,8 @@
namespace FileSys {
VectorVfsDirectory::VectorVfsDirectory(std::vector<VirtualFile> files_,
std::vector<VirtualDir> dirs_, VirtualDir parent_,
std::string name_)
std::vector<VirtualDir> dirs_, std::string name_,
VirtualDir parent_)
: files(std::move(files_)), dirs(std::move(dirs_)), parent(std::move(parent_)),
name(std::move(name_)) {}

4
src/core/file_sys/vfs_vector.h
View File

@ -13,8 +13,8 @@ namespace FileSys {
class VectorVfsDirectory : public VfsDirectory {
public:
explicit VectorVfsDirectory(std::vector<VirtualFile> files = {},
std::vector<VirtualDir> dirs = {}, VirtualDir parent = nullptr,
std::string name = "");
std::vector<VirtualDir> dirs = {}, std::string name = "",
VirtualDir parent = nullptr);
std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
std::vector<std::shared_ptr<VfsDirectory>> GetSubdirectories() const override;

19
src/core/hle/service/filesystem/filesystem.cpp
View File

@ -226,6 +226,7 @@ ResultVal<FileSys::EntryType> VfsDirectoryServiceWrapper::GetEntryType(
static std::unique_ptr<FileSys::RomFSFactory> romfs_factory;
static std::unique_ptr<FileSys::SaveDataFactory> save_data_factory;
static std::unique_ptr<FileSys::SDMCFactory> sdmc_factory;
static std::unique_ptr<FileSys::BISFactory> bis_factory;
ResultCode RegisterRomFS(std::unique_ptr<FileSys::RomFSFactory>&& factory) {
ASSERT_MSG(romfs_factory == nullptr, "Tried to register a second RomFS");
@ -248,6 +249,13 @@ ResultCode RegisterSDMC(std::unique_ptr<FileSys::SDMCFactory>&& factory) {
return RESULT_SUCCESS;
}
ResultCode RegisterBIS(std::unique_ptr<FileSys::BISFactory>&& factory) {
ASSERT_MSG(bis_factory == nullptr, "Tried to register a second BIS");
bis_factory = std::move(factory);
LOG_DEBUG(Service_FS, "Registred BIS");
return RESULT_SUCCESS;
}
ResultVal<FileSys::VirtualFile> OpenRomFS(u64 title_id) {
LOG_TRACE(Service_FS, "Opening RomFS for title_id={:016X}", title_id);
@ -281,6 +289,14 @@ ResultVal<FileSys::VirtualDir> OpenSDMC() {
return sdmc_factory->Open();
}
std::shared_ptr<FileSys::RegisteredCache> GetSystemNANDContents() {
return bis_factory->GetSystemNANDContents();
}
std::shared_ptr<FileSys::RegisteredCache> GetUserNANDContents() {
return bis_factory->GetUserNANDContents();
}
void RegisterFileSystems(const FileSys::VirtualFilesystem& vfs) {
romfs_factory = nullptr;
save_data_factory = nullptr;
@ -291,6 +307,9 @@ void RegisterFileSystems(const FileSys::VirtualFilesystem& vfs) {
auto sd_directory = vfs->OpenDirectory(FileUtil::GetUserPath(FileUtil::UserPath::SDMCDir),
FileSys::Mode::ReadWrite);
if (bis_factory == nullptr)
bis_factory = std::make_unique<FileSys::BISFactory>(nand_directory);
auto savedata = std::make_unique<FileSys::SaveDataFactory>(std::move(nand_directory));
save_data_factory = std::move(savedata);

8
src/core/hle/service/filesystem/filesystem.h
View File

@ -6,6 +6,7 @@
#include <memory>
#include "common/common_types.h"
#include "core/file_sys/bis_factory.h"
#include "core/file_sys/directory.h"
#include "core/file_sys/mode.h"
#include "core/file_sys/romfs_factory.h"
@ -24,16 +25,15 @@ namespace FileSystem {
ResultCode RegisterRomFS(std::unique_ptr<FileSys::RomFSFactory>&& factory);
ResultCode RegisterSaveData(std::unique_ptr<FileSys::SaveDataFactory>&& factory);
ResultCode RegisterSDMC(std::unique_ptr<FileSys::SDMCFactory>&& factory);
ResultCode RegisterBIS(std::unique_ptr<FileSys::BISFactory>&& factory);
// TODO(DarkLordZach): BIS Filesystem
// ResultCode RegisterBIS(std::unique_ptr<FileSys::BISFactory>&& factory);
ResultVal<FileSys::VirtualFile> OpenRomFS(u64 title_id);
ResultVal<FileSys::VirtualDir> OpenSaveData(FileSys::SaveDataSpaceId space,
FileSys::SaveDataDescriptor save_struct);
ResultVal<FileSys::VirtualDir> OpenSDMC();
// TODO(DarkLordZach): BIS Filesystem
// ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenBIS();
std::shared_ptr<FileSys::RegisteredCache> GetSystemNANDContents();
std::shared_ptr<FileSys::RegisteredCache> GetUserNANDContents();
/// Registers all Filesystem services with the specified service manager.
void InstallInterfaces(SM::ServiceManager& service_manager, const FileSys::VirtualFilesystem& vfs);

2
src/core/loader/loader.cpp
View File

@ -41,6 +41,8 @@ FileType IdentifyFile(FileSys::VirtualFile file) {
FileType GuessFromFilename(const std::string& name) {
if (name == "main")
return FileType::DeconstructedRomDirectory;
if (name == "00")
return FileType::NCA;
const std::string extension =
Common::ToLower(std::string(FileUtil::GetExtensionFromFilename(name)));

96
src/yuzu/game_list.cpp
View File

@ -2,6 +2,7 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <regex>
#include <QApplication>
#include <QDir>
#include <QFileInfo>
@ -402,12 +403,72 @@ void GameList::RefreshGameDirectory() {
}
}
void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsigned int recursion) {
boost::container::flat_map<u64, std::shared_ptr<FileSys::NCA>> nca_control_map;
static void GetMetadataFromControlNCA(const std::shared_ptr<FileSys::NCA>& nca,
std::vector<u8>& icon, std::string& name) {
const auto control_dir = FileSys::ExtractRomFS(nca->GetRomFS());
if (control_dir == nullptr)
return;
const auto nca_control_callback =
[this, &nca_control_map](u64* num_entries_out, const std::string& directory,
const std::string& virtual_name) -> bool {
const auto nacp_file = control_dir->GetFile("control.nacp");
if (nacp_file == nullptr)
return;
FileSys::NACP nacp(nacp_file);
name = nacp.GetApplicationName();
FileSys::VirtualFile icon_file = nullptr;
for (const auto& language : FileSys::LANGUAGE_NAMES) {
icon_file = control_dir->GetFile("icon_" + std::string(language) + ".dat");
if (icon_file != nullptr) {
icon = icon_file->ReadAllBytes();
break;
}
}
}
void GameListWorker::AddInstalledTitlesToGameList() {
const auto usernand = Service::FileSystem::GetUserNANDContents();
const auto installed_games = usernand->ListEntriesFilter(FileSys::TitleType::Application,
FileSys::ContentRecordType::Program);
for (const auto& game : installed_games) {
const auto& file = usernand->GetEntryRaw(game);
std::unique_ptr<Loader::AppLoader> loader = Loader::GetLoader(file);
if (!loader)
continue;
std::vector<u8> icon;
std::string name;
u64 program_id;
loader->ReadProgramId(program_id);
const auto& control =
usernand->GetEntry(game.title_id, FileSys::ContentRecordType::Control);
if (control != nullptr)
GetMetadataFromControlNCA(control, icon, name);
emit EntryReady({
new GameListItemPath(
FormatGameName(file->GetFullPath()), icon, QString::fromStdString(name),
QString::fromStdString(Loader::GetFileTypeString(loader->GetFileType())),
program_id),
new GameListItem(
QString::fromStdString(Loader::GetFileTypeString(loader->GetFileType()))),
new GameListItemSize(file->GetSize()),
});
}
const auto control_data = usernand->ListEntriesFilter(FileSys::TitleType::Application,
FileSys::ContentRecordType::Control);
for (const auto& entry : control_data) {
const auto nca = usernand->GetEntry(entry);
if (nca != nullptr)
nca_control_map.insert_or_assign(entry.title_id, nca);
}
}
void GameListWorker::FillControlMap(const std::string& dir_path) {
const auto nca_control_callback = [this](u64* num_entries_out, const std::string& directory,
const std::string& virtual_name) -> bool {
std::string physical_name = directory + DIR_SEP + virtual_name;
if (stop_processing)
@ -425,10 +486,11 @@ void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsign
};
FileUtil::ForeachDirectoryEntry(nullptr, dir_path, nca_control_callback);
}
const auto callback = [this, recursion,
&nca_control_map](u64* num_entries_out, const std::string& directory,
const std::string& virtual_name) -> bool {
void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsigned int recursion) {
const auto callback = [this, recursion](u64* num_entries_out, const std::string& directory,
const std::string& virtual_name) -> bool {
std::string physical_name = directory + DIR_SEP + virtual_name;
if (stop_processing)
@ -458,20 +520,7 @@ void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsign
// Use from metadata pool.
if (nca_control_map.find(program_id) != nca_control_map.end()) {
const auto nca = nca_control_map[program_id];
const auto control_dir = FileSys::ExtractRomFS(nca->GetRomFS());
const auto nacp_file = control_dir->GetFile("control.nacp");
FileSys::NACP nacp(nacp_file);
name = nacp.GetApplicationName();
FileSys::VirtualFile icon_file = nullptr;
for (const auto& language : FileSys::LANGUAGE_NAMES) {
icon_file = control_dir->GetFile("icon_" + std::string(language) + ".dat");
if (icon_file != nullptr) {
icon = icon_file->ReadAllBytes();
break;
}
}
GetMetadataFromControlNCA(nca, icon, name);
}
}
@ -498,7 +547,10 @@ void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsign
void GameListWorker::run() {
stop_processing = false;
watch_list.append(dir_path);
FillControlMap(dir_path.toStdString());
AddInstalledTitlesToGameList();
AddFstEntriesToGameList(dir_path.toStdString(), deep_scan ? 256 : 0);
nca_control_map.clear();
emit Finished(watch_list);
}

3
src/yuzu/game_list_p.h
View File

@ -163,10 +163,13 @@ signals:
private:
FileSys::VirtualFilesystem vfs;
std::map<u64, std::shared_ptr<FileSys::NCA>> nca_control_map;
QStringList watch_list;
QString dir_path;
bool deep_scan;
std::atomic_bool stop_processing;
void AddInstalledTitlesToGameList();
void FillControlMap(const std::string& dir_path);
void AddFstEntriesToGameList(const std::string& dir_path, unsigned int recursion = 0);
};

143
src/yuzu/main.cpp
View File

@ -27,6 +27,7 @@
#include "common/string_util.h"
#include "core/core.h"
#include "core/crypto/key_manager.h"
#include "core/file_sys/card_image.h"
#include "core/file_sys/vfs_real.h"
#include "core/gdbstub/gdbstub.h"
#include "core/loader/loader.h"
@ -117,6 +118,9 @@ GMainWindow::GMainWindow()
.arg(Common::g_build_name, Common::g_scm_branch, Common::g_scm_desc));
show();
// Necessary to load titles from nand in gamelist.
Service::FileSystem::RegisterBIS(std::make_unique<FileSys::BISFactory>(vfs->OpenDirectory(
FileUtil::GetUserPath(FileUtil::UserPath::NANDDir), FileSys::Mode::ReadWrite)));
game_list->PopulateAsync(UISettings::values.gamedir, UISettings::values.gamedir_deepscan);
// Show one-time "callout" messages to the user
@ -312,6 +316,8 @@ void GMainWindow::ConnectMenuEvents() {
// File
connect(ui.action_Load_File, &QAction::triggered, this, &GMainWindow::OnMenuLoadFile);
connect(ui.action_Load_Folder, &QAction::triggered, this, &GMainWindow::OnMenuLoadFolder);
connect(ui.action_Install_File_NAND, &QAction::triggered, this,
&GMainWindow::OnMenuInstallToNAND);
connect(ui.action_Select_Game_List_Root, &QAction::triggered, this,
&GMainWindow::OnMenuSelectGameListRoot);
connect(ui.action_Exit, &QAction::triggered, this, &QMainWindow::close);
@ -615,6 +621,143 @@ void GMainWindow::OnMenuLoadFolder() {
}
}
void GMainWindow::OnMenuInstallToNAND() {
const QString file_filter =
tr("Installable Switch File (*.nca *.xci);;Nintendo Content Archive (*.nca);;NX Cartridge "
"Image (*.xci)");
QString filename = QFileDialog::getOpenFileName(this, tr("Install File"),
UISettings::values.roms_path, file_filter);
const auto qt_raw_copy = [this](FileSys::VirtualFile src, FileSys::VirtualFile dest) {
if (src == nullptr || dest == nullptr)
return false;
if (!dest->Resize(src->GetSize()))
return false;
QProgressDialog progress(fmt::format("Installing file \"{}\"...", src->GetName()).c_str(),
"Cancel", 0, src->GetSize() / 0x1000, this);
progress.setWindowModality(Qt::WindowModal);
std::array<u8, 0x1000> buffer{};
for (size_t i = 0; i < src->GetSize(); i += 0x1000) {
if (progress.wasCanceled()) {
dest->Resize(0);
return false;
}
progress.setValue(i / 0x1000);
const auto read = src->Read(buffer.data(), buffer.size(), i);
dest->Write(buffer.data(), read, i);
}
return true;
};
const auto success = [this]() {
QMessageBox::information(this, tr("Successfully Installed"),
tr("The file was successfully installed."));
game_list->PopulateAsync(UISettings::values.gamedir, UISettings::values.gamedir_deepscan);
};
const auto failed = [this]() {
QMessageBox::warning(
this, tr("Failed to Install"),
tr("There was an error while attempting to install the provided file. It "
"could have an incorrect format or be missing metadata. Please "
"double-check your file and try again."));
};
const auto overwrite = [this]() {
return QMessageBox::question(this, "Failed to Install",
"The file you are attempting to install already exists "
"in the cache. Would you like to overwrite it?") ==
QMessageBox::Yes;
};
if (!filename.isEmpty()) {
if (filename.endsWith("xci", Qt::CaseInsensitive)) {
const auto xci = std::make_shared<FileSys::XCI>(
vfs->OpenFile(filename.toStdString(), FileSys::Mode::Read));
if (xci->GetStatus() != Loader::ResultStatus::Success) {
failed();
return;
}
const auto res =
Service::FileSystem::GetUserNANDContents()->InstallEntry(xci, false, qt_raw_copy);
if (res == FileSys::InstallResult::Success) {
success();
} else {
if (res == FileSys::InstallResult::ErrorAlreadyExists) {
if (overwrite()) {
const auto res2 = Service::FileSystem::GetUserNANDContents()->InstallEntry(
xci, true, qt_raw_copy);
if (res2 == FileSys::InstallResult::Success) {
success();
} else {
failed();
}
}
} else {
failed();
}
}
} else {
const auto nca = std::make_shared<FileSys::NCA>(
vfs->OpenFile(filename.toStdString(), FileSys::Mode::Read));
if (nca->GetStatus() != Loader::ResultStatus::Success) {
failed();
return;
}
static const QStringList tt_options{"System Application",
"System Archive",
"System Application Update",
"Firmware Package (Type A)",
"Firmware Package (Type B)",
"Game",
"Game Update",
"Game DLC",
"Delta Title"};
bool ok;
const auto item = QInputDialog::getItem(
this, tr("Select NCA Install Type..."),
tr("Please select the type of title you would like to install this NCA as:\n(In "
"most instances, the default 'Game' is fine.)"),
tt_options, 5, false, &ok);
auto index = tt_options.indexOf(item);
if (!ok || index == -1) {
QMessageBox::warning(this, tr("Failed to Install"),
tr("The title type you selected for the NCA is invalid."));
return;
}
if (index >= 5)
index += 0x7B;
const auto res = Service::FileSystem::GetUserNANDContents()->InstallEntry(
nca, static_cast<FileSys::TitleType>(index), false, qt_raw_copy);
if (res == FileSys::InstallResult::Success) {
success();
} else {
if (res == FileSys::InstallResult::ErrorAlreadyExists) {
if (overwrite()) {
const auto res2 = Service::FileSystem::GetUserNANDContents()->InstallEntry(
nca, static_cast<FileSys::TitleType>(index), true, qt_raw_copy);
if (res2 == FileSys::InstallResult::Success) {
success();
} else {
failed();
}
}
} else {
failed();
}
}
}
}
}
void GMainWindow::OnMenuSelectGameListRoot() {
QString dir_path = QFileDialog::getExistingDirectory(this, tr("Select Directory"));
if (!dir_path.isEmpty()) {

1
src/yuzu/main.h
View File

@ -125,6 +125,7 @@ private slots:
void OnGameListOpenSaveFolder(u64 program_id);
void OnMenuLoadFile();
void OnMenuLoadFolder();
void OnMenuInstallToNAND();
/// Called whenever a user selects the "File->Select Game List Root" menu item
void OnMenuSelectGameListRoot();
void OnMenuRecentFile();

7
src/yuzu/main.ui
View File

@ -57,6 +57,8 @@
<string>Recent Files</string>
</property>
</widget>
<addaction name="action_Install_File_NAND" />
<addaction name="separator"/>
<addaction name="action_Load_File"/>
<addaction name="action_Load_Folder"/>
<addaction name="separator"/>
@ -102,6 +104,11 @@
<addaction name="menu_View"/>
<addaction name="menu_Help"/>
</widget>
<action name="action_Install_File_NAND">
<property name="text">
<string>Install File to NAND...</string>
</property>
</action>
<action name="action_Load_File">
<property name="text">
<string>Load File...</string>