608 lines
23 KiB
C++
608 lines
23 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <array>
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#include <cstddef>
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#include <cstring>
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#include "common/file_util.h"
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#include "common/hex_util.h"
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#include "common/logging/log.h"
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#include "common/settings.h"
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#include "common/string_util.h"
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#include "core/core.h"
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#include "core/file_sys/common_funcs.h"
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#include "core/file_sys/content_archive.h"
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#include "core/file_sys/control_metadata.h"
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#include "core/file_sys/ips_layer.h"
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#include "core/file_sys/patch_manager.h"
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#include "core/file_sys/registered_cache.h"
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#include "core/file_sys/romfs.h"
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#include "core/file_sys/vfs_layered.h"
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#include "core/file_sys/vfs_vector.h"
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#include "core/hle/service/filesystem/filesystem.h"
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#include "core/loader/loader.h"
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#include "core/loader/nso.h"
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#include "core/memory/cheat_engine.h"
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namespace FileSys {
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namespace {
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constexpr u32 SINGLE_BYTE_MODULUS = 0x100;
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constexpr std::array<const char*, 14> EXEFS_FILE_NAMES{
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"main", "main.npdm", "rtld", "sdk", "subsdk0", "subsdk1", "subsdk2",
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"subsdk3", "subsdk4", "subsdk5", "subsdk6", "subsdk7", "subsdk8", "subsdk9",
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};
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enum class TitleVersionFormat : u8 {
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ThreeElements, ///< vX.Y.Z
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FourElements, ///< vX.Y.Z.W
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};
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std::string FormatTitleVersion(u32 version,
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TitleVersionFormat format = TitleVersionFormat::ThreeElements) {
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std::array<u8, sizeof(u32)> bytes{};
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bytes[0] = static_cast<u8>(version % SINGLE_BYTE_MODULUS);
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for (std::size_t i = 1; i < bytes.size(); ++i) {
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version /= SINGLE_BYTE_MODULUS;
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bytes[i] = static_cast<u8>(version % SINGLE_BYTE_MODULUS);
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}
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if (format == TitleVersionFormat::FourElements) {
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return fmt::format("v{}.{}.{}.{}", bytes[3], bytes[2], bytes[1], bytes[0]);
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}
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return fmt::format("v{}.{}.{}", bytes[3], bytes[2], bytes[1]);
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}
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// Returns a directory with name matching name case-insensitive. Returns nullptr if directory
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// doesn't have a directory with name.
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VirtualDir FindSubdirectoryCaseless(const VirtualDir dir, std::string_view name) {
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#ifdef _WIN32
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return dir->GetSubdirectory(name);
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#else
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const auto subdirs = dir->GetSubdirectories();
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for (const auto& subdir : subdirs) {
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std::string dir_name = Common::ToLower(subdir->GetName());
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if (dir_name == name) {
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return subdir;
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}
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}
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return nullptr;
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#endif
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}
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std::optional<std::vector<Core::Memory::CheatEntry>> ReadCheatFileFromFolder(
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u64 title_id, const PatchManager::BuildID& build_id_, const VirtualDir& base_path, bool upper) {
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const auto build_id_raw = Common::HexToString(build_id_, upper);
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const auto build_id = build_id_raw.substr(0, sizeof(u64) * 2);
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const auto file = base_path->GetFile(fmt::format("{}.txt", build_id));
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if (file == nullptr) {
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LOG_INFO(Common_Filesystem, "No cheats file found for title_id={:016X}, build_id={}",
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title_id, build_id);
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return std::nullopt;
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}
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std::vector<u8> data(file->GetSize());
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if (file->Read(data.data(), data.size()) != data.size()) {
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LOG_INFO(Common_Filesystem, "Failed to read cheats file for title_id={:016X}, build_id={}",
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title_id, build_id);
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return std::nullopt;
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}
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const Core::Memory::TextCheatParser parser;
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return parser.Parse(std::string_view(reinterpret_cast<const char*>(data.data()), data.size()));
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}
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void AppendCommaIfNotEmpty(std::string& to, std::string_view with) {
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if (to.empty()) {
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to += with;
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} else {
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to += ", ";
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to += with;
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}
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}
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bool IsDirValidAndNonEmpty(const VirtualDir& dir) {
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return dir != nullptr && (!dir->GetFiles().empty() || !dir->GetSubdirectories().empty());
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}
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} // Anonymous namespace
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PatchManager::PatchManager(u64 title_id_,
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const Service::FileSystem::FileSystemController& fs_controller_,
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const ContentProvider& content_provider_)
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: title_id{title_id_}, fs_controller{fs_controller_}, content_provider{content_provider_} {}
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PatchManager::~PatchManager() = default;
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u64 PatchManager::GetTitleID() const {
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return title_id;
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}
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VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
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LOG_INFO(Loader, "Patching ExeFS for title_id={:016X}", title_id);
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if (exefs == nullptr)
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return exefs;
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if (Settings::values.dump_exefs) {
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LOG_INFO(Loader, "Dumping ExeFS for title_id={:016X}", title_id);
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const auto dump_dir = fs_controller.GetModificationDumpRoot(title_id);
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if (dump_dir != nullptr) {
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const auto exefs_dir = GetOrCreateDirectoryRelative(dump_dir, "/exefs");
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VfsRawCopyD(exefs, exefs_dir);
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}
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}
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const auto& disabled = Settings::values.disabled_addons[title_id];
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const auto update_disabled =
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std::find(disabled.cbegin(), disabled.cend(), "Update") != disabled.cend();
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// Game Updates
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const auto update_tid = GetUpdateTitleID(title_id);
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const auto update = content_provider.GetEntry(update_tid, ContentRecordType::Program);
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if (!update_disabled && update != nullptr && update->GetExeFS() != nullptr &&
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update->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS) {
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LOG_INFO(Loader, " ExeFS: Update ({}) applied successfully",
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FormatTitleVersion(content_provider.GetEntryVersion(update_tid).value_or(0)));
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exefs = update->GetExeFS();
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}
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// LayeredExeFS
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const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
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if (load_dir != nullptr && load_dir->GetSize() > 0) {
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auto patch_dirs = load_dir->GetSubdirectories();
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std::sort(
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patch_dirs.begin(), patch_dirs.end(),
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[](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
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std::vector<VirtualDir> layers;
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layers.reserve(patch_dirs.size() + 1);
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for (const auto& subdir : patch_dirs) {
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if (std::find(disabled.begin(), disabled.end(), subdir->GetName()) != disabled.end())
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continue;
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auto exefs_dir = FindSubdirectoryCaseless(subdir, "exefs");
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if (exefs_dir != nullptr)
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layers.push_back(std::move(exefs_dir));
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}
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layers.push_back(exefs);
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auto layered = LayeredVfsDirectory::MakeLayeredDirectory(std::move(layers));
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if (layered != nullptr) {
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LOG_INFO(Loader, " ExeFS: LayeredExeFS patches applied successfully");
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exefs = std::move(layered);
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}
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}
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return exefs;
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}
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std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualDir>& patch_dirs,
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const std::string& build_id) const {
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const auto& disabled = Settings::values.disabled_addons[title_id];
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std::vector<VirtualFile> out;
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out.reserve(patch_dirs.size());
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for (const auto& subdir : patch_dirs) {
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if (std::find(disabled.cbegin(), disabled.cend(), subdir->GetName()) != disabled.cend())
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continue;
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auto exefs_dir = FindSubdirectoryCaseless(subdir, "exefs");
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if (exefs_dir != nullptr) {
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for (const auto& file : exefs_dir->GetFiles()) {
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if (file->GetExtension() == "ips") {
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auto name = file->GetName();
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const auto p1 = name.substr(0, name.find('.'));
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const auto this_build_id = p1.substr(0, p1.find_last_not_of('0') + 1);
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if (build_id == this_build_id)
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out.push_back(file);
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} else if (file->GetExtension() == "pchtxt") {
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IPSwitchCompiler compiler{file};
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if (!compiler.IsValid())
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continue;
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auto this_build_id = Common::HexToString(compiler.GetBuildID());
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this_build_id =
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this_build_id.substr(0, this_build_id.find_last_not_of('0') + 1);
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if (build_id == this_build_id)
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out.push_back(file);
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}
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}
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}
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}
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return out;
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}
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std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso, const std::string& name) const {
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if (nso.size() < sizeof(Loader::NSOHeader)) {
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return nso;
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}
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Loader::NSOHeader header;
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std::memcpy(&header, nso.data(), sizeof(header));
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if (header.magic != Common::MakeMagic('N', 'S', 'O', '0')) {
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return nso;
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}
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const auto build_id_raw = Common::HexToString(header.build_id);
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const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1);
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if (Settings::values.dump_nso) {
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LOG_INFO(Loader, "Dumping NSO for name={}, build_id={}, title_id={:016X}", name, build_id,
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title_id);
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const auto dump_dir = fs_controller.GetModificationDumpRoot(title_id);
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if (dump_dir != nullptr) {
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const auto nso_dir = GetOrCreateDirectoryRelative(dump_dir, "/nso");
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const auto file = nso_dir->CreateFile(fmt::format("{}-{}.nso", name, build_id));
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file->Resize(nso.size());
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file->WriteBytes(nso);
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}
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}
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LOG_INFO(Loader, "Patching NSO for name={}, build_id={}", name, build_id);
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const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
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if (load_dir == nullptr) {
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LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
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return nso;
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}
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auto patch_dirs = load_dir->GetSubdirectories();
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std::sort(patch_dirs.begin(), patch_dirs.end(),
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[](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
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const auto patches = CollectPatches(patch_dirs, build_id);
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auto out = nso;
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for (const auto& patch_file : patches) {
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if (patch_file->GetExtension() == "ips") {
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LOG_INFO(Loader, " - Applying IPS patch from mod \"{}\"",
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patch_file->GetContainingDirectory()->GetParentDirectory()->GetName());
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const auto patched = PatchIPS(std::make_shared<VectorVfsFile>(out), patch_file);
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if (patched != nullptr)
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out = patched->ReadAllBytes();
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} else if (patch_file->GetExtension() == "pchtxt") {
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LOG_INFO(Loader, " - Applying IPSwitch patch from mod \"{}\"",
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patch_file->GetContainingDirectory()->GetParentDirectory()->GetName());
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const IPSwitchCompiler compiler{patch_file};
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const auto patched = compiler.Apply(std::make_shared<VectorVfsFile>(out));
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if (patched != nullptr)
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out = patched->ReadAllBytes();
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}
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}
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if (out.size() < sizeof(Loader::NSOHeader)) {
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return nso;
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}
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std::memcpy(out.data(), &header, sizeof(header));
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return out;
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}
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bool PatchManager::HasNSOPatch(const BuildID& build_id_) const {
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const auto build_id_raw = Common::HexToString(build_id_);
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const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1);
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LOG_INFO(Loader, "Querying NSO patch existence for build_id={}", build_id);
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const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
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if (load_dir == nullptr) {
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LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
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return false;
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}
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auto patch_dirs = load_dir->GetSubdirectories();
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std::sort(patch_dirs.begin(), patch_dirs.end(),
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[](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
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return !CollectPatches(patch_dirs, build_id).empty();
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}
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std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(
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const BuildID& build_id_) const {
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const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
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if (load_dir == nullptr) {
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LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
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return {};
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}
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const auto& disabled = Settings::values.disabled_addons[title_id];
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auto patch_dirs = load_dir->GetSubdirectories();
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std::sort(patch_dirs.begin(), patch_dirs.end(),
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[](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
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std::vector<Core::Memory::CheatEntry> out;
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for (const auto& subdir : patch_dirs) {
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if (std::find(disabled.cbegin(), disabled.cend(), subdir->GetName()) != disabled.cend()) {
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continue;
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}
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auto cheats_dir = FindSubdirectoryCaseless(subdir, "cheats");
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if (cheats_dir != nullptr) {
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if (const auto res = ReadCheatFileFromFolder(title_id, build_id_, cheats_dir, true)) {
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std::copy(res->begin(), res->end(), std::back_inserter(out));
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continue;
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}
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if (const auto res = ReadCheatFileFromFolder(title_id, build_id_, cheats_dir, false)) {
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std::copy(res->begin(), res->end(), std::back_inserter(out));
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}
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}
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}
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return out;
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}
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static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType type,
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const Service::FileSystem::FileSystemController& fs_controller) {
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const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
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if ((type != ContentRecordType::Program && type != ContentRecordType::Data) ||
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load_dir == nullptr || load_dir->GetSize() <= 0) {
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return;
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}
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auto extracted = ExtractRomFS(romfs);
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if (extracted == nullptr) {
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return;
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}
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const auto& disabled = Settings::values.disabled_addons[title_id];
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auto patch_dirs = load_dir->GetSubdirectories();
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std::sort(patch_dirs.begin(), patch_dirs.end(),
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[](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
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std::vector<VirtualDir> layers;
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std::vector<VirtualDir> layers_ext;
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layers.reserve(patch_dirs.size() + 1);
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layers_ext.reserve(patch_dirs.size() + 1);
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for (const auto& subdir : patch_dirs) {
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if (std::find(disabled.cbegin(), disabled.cend(), subdir->GetName()) != disabled.cend()) {
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continue;
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}
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auto romfs_dir = FindSubdirectoryCaseless(subdir, "romfs");
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if (romfs_dir != nullptr)
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layers.push_back(std::move(romfs_dir));
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auto ext_dir = FindSubdirectoryCaseless(subdir, "romfs_ext");
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if (ext_dir != nullptr)
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layers_ext.push_back(std::move(ext_dir));
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}
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// When there are no layers to apply, return early as there is no need to rebuild the RomFS
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if (layers.empty() && layers_ext.empty()) {
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return;
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}
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layers.push_back(std::move(extracted));
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auto layered = LayeredVfsDirectory::MakeLayeredDirectory(std::move(layers));
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if (layered == nullptr) {
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return;
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}
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auto layered_ext = LayeredVfsDirectory::MakeLayeredDirectory(std::move(layers_ext));
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auto packed = CreateRomFS(std::move(layered), std::move(layered_ext));
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if (packed == nullptr) {
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return;
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}
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LOG_INFO(Loader, " RomFS: LayeredFS patches applied successfully");
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romfs = std::move(packed);
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}
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VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, ContentRecordType type,
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VirtualFile update_raw) const {
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const auto log_string = fmt::format("Patching RomFS for title_id={:016X}, type={:02X}",
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title_id, static_cast<u8>(type));
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if (type == ContentRecordType::Program || type == ContentRecordType::Data) {
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LOG_INFO(Loader, "{}", log_string);
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} else {
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LOG_DEBUG(Loader, "{}", log_string);
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}
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if (romfs == nullptr) {
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return romfs;
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}
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// Game Updates
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const auto update_tid = GetUpdateTitleID(title_id);
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const auto update = content_provider.GetEntryRaw(update_tid, type);
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const auto& disabled = Settings::values.disabled_addons[title_id];
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const auto update_disabled =
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std::find(disabled.cbegin(), disabled.cend(), "Update") != disabled.cend();
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if (!update_disabled && update != nullptr) {
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const auto new_nca = std::make_shared<NCA>(update, romfs, ivfc_offset);
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if (new_nca->GetStatus() == Loader::ResultStatus::Success &&
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new_nca->GetRomFS() != nullptr) {
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LOG_INFO(Loader, " RomFS: Update ({}) applied successfully",
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FormatTitleVersion(content_provider.GetEntryVersion(update_tid).value_or(0)));
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romfs = new_nca->GetRomFS();
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}
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} else if (!update_disabled && update_raw != nullptr) {
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const auto new_nca = std::make_shared<NCA>(update_raw, romfs, ivfc_offset);
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if (new_nca->GetStatus() == Loader::ResultStatus::Success &&
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new_nca->GetRomFS() != nullptr) {
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LOG_INFO(Loader, " RomFS: Update (PACKED) applied successfully");
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romfs = new_nca->GetRomFS();
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}
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}
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// LayeredFS
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ApplyLayeredFS(romfs, title_id, type, fs_controller);
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return romfs;
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}
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PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile update_raw) const {
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if (title_id == 0) {
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return {};
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}
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std::map<std::string, std::string, std::less<>> out;
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const auto& disabled = Settings::values.disabled_addons[title_id];
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// Game Updates
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const auto update_tid = GetUpdateTitleID(title_id);
|
|
PatchManager update{update_tid, fs_controller, content_provider};
|
|
const auto metadata = update.GetControlMetadata();
|
|
const auto& nacp = metadata.first;
|
|
|
|
const auto update_disabled =
|
|
std::find(disabled.cbegin(), disabled.cend(), "Update") != disabled.cend();
|
|
const auto update_label = update_disabled ? "[D] Update" : "Update";
|
|
|
|
if (nacp != nullptr) {
|
|
out.insert_or_assign(update_label, nacp->GetVersionString());
|
|
} else {
|
|
if (content_provider.HasEntry(update_tid, ContentRecordType::Program)) {
|
|
const auto meta_ver = content_provider.GetEntryVersion(update_tid);
|
|
if (meta_ver.value_or(0) == 0) {
|
|
out.insert_or_assign(update_label, "");
|
|
} else {
|
|
out.insert_or_assign(update_label, FormatTitleVersion(*meta_ver));
|
|
}
|
|
} else if (update_raw != nullptr) {
|
|
out.insert_or_assign(update_label, "PACKED");
|
|
}
|
|
}
|
|
|
|
// General Mods (LayeredFS and IPS)
|
|
const auto mod_dir = fs_controller.GetModificationLoadRoot(title_id);
|
|
if (mod_dir != nullptr && mod_dir->GetSize() > 0) {
|
|
for (const auto& mod : mod_dir->GetSubdirectories()) {
|
|
std::string types;
|
|
|
|
const auto exefs_dir = FindSubdirectoryCaseless(mod, "exefs");
|
|
if (IsDirValidAndNonEmpty(exefs_dir)) {
|
|
bool ips = false;
|
|
bool ipswitch = false;
|
|
bool layeredfs = false;
|
|
|
|
for (const auto& file : exefs_dir->GetFiles()) {
|
|
if (file->GetExtension() == "ips") {
|
|
ips = true;
|
|
} else if (file->GetExtension() == "pchtxt") {
|
|
ipswitch = true;
|
|
} else if (std::find(EXEFS_FILE_NAMES.begin(), EXEFS_FILE_NAMES.end(),
|
|
file->GetName()) != EXEFS_FILE_NAMES.end()) {
|
|
layeredfs = true;
|
|
}
|
|
}
|
|
|
|
if (ips)
|
|
AppendCommaIfNotEmpty(types, "IPS");
|
|
if (ipswitch)
|
|
AppendCommaIfNotEmpty(types, "IPSwitch");
|
|
if (layeredfs)
|
|
AppendCommaIfNotEmpty(types, "LayeredExeFS");
|
|
}
|
|
if (IsDirValidAndNonEmpty(FindSubdirectoryCaseless(mod, "romfs")))
|
|
AppendCommaIfNotEmpty(types, "LayeredFS");
|
|
if (IsDirValidAndNonEmpty(FindSubdirectoryCaseless(mod, "cheats")))
|
|
AppendCommaIfNotEmpty(types, "Cheats");
|
|
|
|
if (types.empty())
|
|
continue;
|
|
|
|
const auto mod_disabled =
|
|
std::find(disabled.begin(), disabled.end(), mod->GetName()) != disabled.end();
|
|
out.insert_or_assign(mod_disabled ? "[D] " + mod->GetName() : mod->GetName(), types);
|
|
}
|
|
}
|
|
|
|
// DLC
|
|
const auto dlc_entries =
|
|
content_provider.ListEntriesFilter(TitleType::AOC, ContentRecordType::Data);
|
|
std::vector<ContentProviderEntry> dlc_match;
|
|
dlc_match.reserve(dlc_entries.size());
|
|
std::copy_if(dlc_entries.begin(), dlc_entries.end(), std::back_inserter(dlc_match),
|
|
[this](const ContentProviderEntry& entry) {
|
|
return GetBaseTitleID(entry.title_id) == title_id &&
|
|
content_provider.GetEntry(entry)->GetStatus() ==
|
|
Loader::ResultStatus::Success;
|
|
});
|
|
if (!dlc_match.empty()) {
|
|
// Ensure sorted so DLC IDs show in order.
|
|
std::sort(dlc_match.begin(), dlc_match.end());
|
|
|
|
std::string list;
|
|
for (size_t i = 0; i < dlc_match.size() - 1; ++i)
|
|
list += fmt::format("{}, ", dlc_match[i].title_id & 0x7FF);
|
|
|
|
list += fmt::format("{}", dlc_match.back().title_id & 0x7FF);
|
|
|
|
const auto dlc_disabled =
|
|
std::find(disabled.begin(), disabled.end(), "DLC") != disabled.end();
|
|
out.insert_or_assign(dlc_disabled ? "[D] DLC" : "DLC", std::move(list));
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
std::optional<u32> PatchManager::GetGameVersion() const {
|
|
const auto update_tid = GetUpdateTitleID(title_id);
|
|
if (content_provider.HasEntry(update_tid, ContentRecordType::Program)) {
|
|
return content_provider.GetEntryVersion(update_tid);
|
|
}
|
|
|
|
return content_provider.GetEntryVersion(title_id);
|
|
}
|
|
|
|
PatchManager::Metadata PatchManager::GetControlMetadata() const {
|
|
const auto base_control_nca = content_provider.GetEntry(title_id, ContentRecordType::Control);
|
|
if (base_control_nca == nullptr) {
|
|
return {};
|
|
}
|
|
|
|
return ParseControlNCA(*base_control_nca);
|
|
}
|
|
|
|
PatchManager::Metadata PatchManager::ParseControlNCA(const NCA& nca) const {
|
|
const auto base_romfs = nca.GetRomFS();
|
|
if (base_romfs == nullptr) {
|
|
return {};
|
|
}
|
|
|
|
const auto romfs = PatchRomFS(base_romfs, nca.GetBaseIVFCOffset(), ContentRecordType::Control);
|
|
if (romfs == nullptr) {
|
|
return {};
|
|
}
|
|
|
|
const auto extracted = ExtractRomFS(romfs);
|
|
if (extracted == nullptr) {
|
|
return {};
|
|
}
|
|
|
|
auto nacp_file = extracted->GetFile("control.nacp");
|
|
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(std::string("icon_").append(language).append(".dat"));
|
|
if (icon_file != nullptr) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return {std::move(nacp), icon_file};
|
|
}
|
|
} // namespace FileSys
|