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Merge pull request #4655 from lioncash/internal2 

patch_manager: Minor cleanup
This commit is contained in:
Rodrigo Locatti 2020-09-15 01:57:13 +00:00 committed by GitHub
parent 0bac7b6a95 33e4a0b6c1
commit b5f4221c3d
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 95 additions and 87 deletions
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134
src/core/file_sys/patch_manager.cpp
View File

@ -27,6 +27,7 @@
#include "core/settings.h"
namespace FileSys {
namespace {
constexpr u64 SINGLE_BYTE_MODULUS = 0x100;
constexpr u64 DLC_BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000;
@ -36,19 +37,28 @@ constexpr std::array<const char*, 14> EXEFS_FILE_NAMES{
"subsdk3", "subsdk4", "subsdk5", "subsdk6", "subsdk7", "subsdk8", "subsdk9",
};
std::string FormatTitleVersion(u32 version, TitleVersionFormat format) {
enum class TitleVersionFormat : u8 {
ThreeElements, ///< vX.Y.Z
FourElements, ///< vX.Y.Z.W
};
std::string FormatTitleVersion(u32 version,
TitleVersionFormat format = TitleVersionFormat::ThreeElements) {
std::array<u8, sizeof(u32)> bytes{};
bytes[0] = version % SINGLE_BYTE_MODULUS;
bytes[0] = static_cast<u8>(version % SINGLE_BYTE_MODULUS);
for (std::size_t i = 1; i < bytes.size(); ++i) {
version /= SINGLE_BYTE_MODULUS;
bytes[i] = version % SINGLE_BYTE_MODULUS;
bytes[i] = static_cast<u8>(version % SINGLE_BYTE_MODULUS);
}
if (format == TitleVersionFormat::FourElements)
if (format == TitleVersionFormat::FourElements) {
return fmt::format("v{}.{}.{}.{}", bytes[3], bytes[2], bytes[1], bytes[0]);
}
return fmt::format("v{}.{}.{}", bytes[3], bytes[2], bytes[1]);
}
// Returns a directory with name matching name case-insensitive. Returns nullptr if directory
// doesn't have a directory with name.
VirtualDir FindSubdirectoryCaseless(const VirtualDir dir, std::string_view name) {
#ifdef _WIN32
return dir->GetSubdirectory(name);
@ -65,6 +75,45 @@ VirtualDir FindSubdirectoryCaseless(const VirtualDir dir, std::string_view name)
#endif
}
std::optional<std::vector<Core::Memory::CheatEntry>> ReadCheatFileFromFolder(
const Core::System& system, u64 title_id, const PatchManager::BuildID& build_id_,
const VirtualDir& base_path, bool upper) {
const auto build_id_raw = Common::HexToString(build_id_, upper);
const auto build_id = build_id_raw.substr(0, sizeof(u64) * 2);
const auto file = base_path->GetFile(fmt::format("{}.txt", build_id));
if (file == nullptr) {
LOG_INFO(Common_Filesystem, "No cheats file found for title_id={:016X}, build_id={}",
title_id, build_id);
return std::nullopt;
}
std::vector<u8> data(file->GetSize());
if (file->Read(data.data(), data.size()) != data.size()) {
LOG_INFO(Common_Filesystem, "Failed to read cheats file for title_id={:016X}, build_id={}",
title_id, build_id);
return std::nullopt;
}
Core::Memory::TextCheatParser parser;
return parser.Parse(system,
std::string_view(reinterpret_cast<const char*>(data.data()), data.size()));
}
void AppendCommaIfNotEmpty(std::string& to, std::string_view with) {
if (to.empty()) {
to += with;
} else {
to += ", ";
to += with;
}
}
bool IsDirValidAndNonEmpty(const VirtualDir& dir) {
return dir != nullptr && (!dir->GetFiles().empty() || !dir->GetSubdirectories().empty());
}
} // Anonymous namespace
PatchManager::PatchManager(u64 title_id) : title_id(title_id) {}
PatchManager::~PatchManager() = default;
@ -245,7 +294,7 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso, const std::st
return out;
}
bool PatchManager::HasNSOPatch(const std::array<u8, 32>& build_id_) const {
bool PatchManager::HasNSOPatch(const BuildID& build_id_) const {
const auto build_id_raw = Common::HexToString(build_id_);
const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1);
@ -265,36 +314,8 @@ bool PatchManager::HasNSOPatch(const std::array<u8, 32>& build_id_) const {
return !CollectPatches(patch_dirs, build_id).empty();
}
namespace {
std::optional<std::vector<Core::Memory::CheatEntry>> ReadCheatFileFromFolder(
const Core::System& system, u64 title_id, const std::array<u8, 0x20>& build_id_,
const VirtualDir& base_path, bool upper) {
const auto build_id_raw = Common::HexToString(build_id_, upper);
const auto build_id = build_id_raw.substr(0, sizeof(u64) * 2);
const auto file = base_path->GetFile(fmt::format("{}.txt", build_id));
if (file == nullptr) {
LOG_INFO(Common_Filesystem, "No cheats file found for title_id={:016X}, build_id={}",
title_id, build_id);
return std::nullopt;
}
std::vector<u8> data(file->GetSize());
if (file->Read(data.data(), data.size()) != data.size()) {
LOG_INFO(Common_Filesystem, "Failed to read cheats file for title_id={:016X}, build_id={}",
title_id, build_id);
return std::nullopt;
}
Core::Memory::TextCheatParser parser;
return parser.Parse(system,
std::string_view(reinterpret_cast<const char*>(data.data()), data.size()));
}
} // Anonymous namespace
std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(
const Core::System& system, const std::array<u8, 32>& build_id_) const {
const Core::System& system, const BuildID& build_id_) const {
const auto load_dir = system.GetFileSystemController().GetModificationLoadRoot(title_id);
if (load_dir == nullptr) {
LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
@ -435,21 +456,11 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, Content
return romfs;
}
static void AppendCommaIfNotEmpty(std::string& to, const std::string& with) {
if (to.empty())
to += with;
else
to += ", " + with;
}
static bool IsDirValidAndNonEmpty(const VirtualDir& dir) {
return dir != nullptr && (!dir->GetFiles().empty() || !dir->GetSubdirectories().empty());
}
std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNames(
VirtualFile update_raw) const {
if (title_id == 0)
PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile update_raw) const {
if (title_id == 0) {
return {};
}
std::map<std::string, std::string, std::less<>> out;
const auto& installed = Core::System::GetInstance().GetContentProvider();
const auto& disabled = Settings::values.disabled_addons[title_id];
@ -472,8 +483,7 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
if (meta_ver.value_or(0) == 0) {
out.insert_or_assign(update_label, "");
} else {
out.insert_or_assign(
update_label, FormatTitleVersion(*meta_ver, TitleVersionFormat::ThreeElements));
out.insert_or_assign(update_label, FormatTitleVersion(*meta_ver));
}
} else if (update_raw != nullptr) {
out.insert_or_assign(update_label, "PACKED");
@ -562,41 +572,47 @@ std::optional<u32> PatchManager::GetGameVersion() const {
return installed.GetEntryVersion(title_id);
}
std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::GetControlMetadata() const {
PatchManager::Metadata PatchManager::GetControlMetadata() const {
const auto& installed = Core::System::GetInstance().GetContentProvider();
const auto base_control_nca = installed.GetEntry(title_id, ContentRecordType::Control);
if (base_control_nca == nullptr)
if (base_control_nca == nullptr) {
return {};
}
return ParseControlNCA(*base_control_nca);
}
std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::ParseControlNCA(const NCA& nca) const {
PatchManager::Metadata PatchManager::ParseControlNCA(const NCA& nca) const {
const auto base_romfs = nca.GetRomFS();
if (base_romfs == nullptr)
if (base_romfs == nullptr) {
return {};
}
const auto romfs = PatchRomFS(base_romfs, nca.GetBaseIVFCOffset(), ContentRecordType::Control);
if (romfs == nullptr)
if (romfs == nullptr) {
return {};
}
const auto extracted = ExtractRomFS(romfs);
if (extracted == nullptr)
if (extracted == nullptr) {
return {};
}
auto nacp_file = extracted->GetFile("control.nacp");
if (nacp_file == nullptr)
if (nacp_file == nullptr) {
nacp_file = extracted->GetFile("Control.nacp");
}
auto nacp = nacp_file == nullptr ? nullptr : std::make_unique<NACP>(nacp_file);
VirtualFile icon_file;
for (const auto& language : FileSys::LANGUAGE_NAMES) {
icon_file = extracted->GetFile("icon_" + std::string(language) + ".dat");
if (icon_file != nullptr)
icon_file = extracted->GetFile(std::string("icon_").append(language).append(".dat"));
if (icon_file != nullptr) {
break;
}
}
return {std::move(nacp), icon_file};
}

42
src/core/file_sys/patch_manager.h
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@ -22,69 +22,61 @@ namespace FileSys {
class NCA;
class NACP;
enum class TitleVersionFormat : u8 {
ThreeElements, ///< vX.Y.Z
FourElements, ///< vX.Y.Z.W
};
std::string FormatTitleVersion(u32 version,
TitleVersionFormat format = TitleVersionFormat::ThreeElements);
// Returns a directory with name matching name case-insensitive. Returns nullptr if directory
// doesn't have a directory with name.
VirtualDir FindSubdirectoryCaseless(VirtualDir dir, std::string_view name);
// A centralized class to manage patches to games.
class PatchManager {
public:
using BuildID = std::array<u8, 0x20>;
using Metadata = std::pair<std::unique_ptr<NACP>, VirtualFile>;
using PatchVersionNames = std::map<std::string, std::string, std::less<>>;
explicit PatchManager(u64 title_id);
~PatchManager();
u64 GetTitleID() const;
[[nodiscard]] u64 GetTitleID() const;
// Currently tracked ExeFS patches:
// - Game Updates
VirtualDir PatchExeFS(VirtualDir exefs) const;
[[nodiscard]] VirtualDir PatchExeFS(VirtualDir exefs) const;
// Currently tracked NSO patches:
// - IPS
// - IPSwitch
std::vector<u8> PatchNSO(const std::vector<u8>& nso, const std::string& name) const;
[[nodiscard]] std::vector<u8> PatchNSO(const std::vector<u8>& nso,
const std::string& name) const;
// Checks to see if PatchNSO() will have any effect given the NSO's build ID.
// Used to prevent expensive copies in NSO loader.
bool HasNSOPatch(const std::array<u8, 0x20>& build_id) const;
[[nodiscard]] bool HasNSOPatch(const BuildID& build_id) const;
// Creates a CheatList object with all
std::vector<Core::Memory::CheatEntry> CreateCheatList(
const Core::System& system, const std::array<u8, 0x20>& build_id) const;
[[nodiscard]] std::vector<Core::Memory::CheatEntry> CreateCheatList(
const Core::System& system, const BuildID& build_id) const;
// Currently tracked RomFS patches:
// - Game Updates
// - LayeredFS
VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset,
[[nodiscard]] VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset,
ContentRecordType type = ContentRecordType::Program,
VirtualFile update_raw = nullptr) const;
// Returns a vector of pairs between patch names and patch versions.
// i.e. Update 3.2.2 will return {"Update", "3.2.2"}
std::map<std::string, std::string, std::less<>> GetPatchVersionNames(
VirtualFile update_raw = nullptr) const;
[[nodiscard]] PatchVersionNames GetPatchVersionNames(VirtualFile update_raw = nullptr) const;
// If the game update exists, returns the u32 version field in its Meta-type NCA. If that fails,
// it will fallback to the Meta-type NCA of the base game. If that fails, the result will be
// std::nullopt
std::optional<u32> GetGameVersion() const;
[[nodiscard]] std::optional<u32> GetGameVersion() const;
// Given title_id of the program, attempts to get the control data of the update and parse
// it, falling back to the base control data.
std::pair<std::unique_ptr<NACP>, VirtualFile> GetControlMetadata() const;
[[nodiscard]] Metadata GetControlMetadata() const;
// Version of GetControlMetadata that takes an arbitrary NCA
std::pair<std::unique_ptr<NACP>, VirtualFile> ParseControlNCA(const NCA& nca) const;
[[nodiscard]] Metadata ParseControlNCA(const NCA& nca) const;
private:
std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
[[nodiscard]] std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
const std::string& build_id) const;
u64 title_id;