mirror of
https://git.suyu.dev/suyu/suyu
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5c72aa7c4c
fmt::format() returns a std::string instance by value, so calling
.c_str() on it here is equivalent to doing:
auto* ptr = std::string{}.c_str();
The data being pointed to isn't guaranteed to actually be valid anymore
after that expression ends. Instead, we can just take the string as is,
and provide the necessary formatting parameters.
481 lines
18 KiB
C++
481 lines
18 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/hex_util.h"
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#include "common/logging/log.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/settings.h"
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namespace FileSys {
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constexpr u64 SINGLE_BYTE_MODULUS = 0x100;
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constexpr u64 DLC_BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000;
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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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struct NSOBuildHeader {
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u32_le magic;
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INSERT_PADDING_BYTES(0x3C);
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std::array<u8, 0x20> build_id;
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INSERT_PADDING_BYTES(0xA0);
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};
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static_assert(sizeof(NSOBuildHeader) == 0x100, "NSOBuildHeader has incorrect size.");
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std::string FormatTitleVersion(u32 version, TitleVersionFormat format) {
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std::array<u8, sizeof(u32)> bytes{};
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bytes[0] = 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] = 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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return fmt::format("v{}.{}.{}", bytes[3], bytes[2], bytes[1]);
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}
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PatchManager::PatchManager(u64 title_id) : title_id(title_id) {}
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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 = Service::FileSystem::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 installed = Service::FileSystem::GetUnionContents();
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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.begin(), disabled.end(), "Update") != disabled.end();
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// Game Updates
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const auto update_tid = GetUpdateTitleID(title_id);
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const auto update = installed.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(installed.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 = Service::FileSystem::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 = subdir->GetSubdirectory("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.begin(), disabled.end(), subdir->GetName()) != disabled.end())
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continue;
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auto exefs_dir = subdir->GetSubdirectory("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::HexArrayToString(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 {
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if (nso.size() < 0x100)
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return nso;
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NSOBuildHeader header;
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std::memcpy(&header, nso.data(), sizeof(NSOBuildHeader));
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if (header.magic != Common::MakeMagic('N', 'S', 'O', '0'))
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return nso;
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const auto build_id_raw = Common::HexArrayToString(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 build_id={}, title_id={:016X}", build_id, title_id);
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const auto dump_dir = Service::FileSystem::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", 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 build_id={}", build_id);
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const auto load_dir = Service::FileSystem::GetModificationLoadRoot(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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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() < 0x100)
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return nso;
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std::memcpy(out.data(), &header, sizeof(NSOBuildHeader));
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return out;
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}
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bool PatchManager::HasNSOPatch(const std::array<u8, 32>& build_id_) const {
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const auto build_id_raw = Common::HexArrayToString(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 = Service::FileSystem::GetModificationLoadRoot(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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return !CollectPatches(patch_dirs, build_id).empty();
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}
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static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType type) {
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const auto load_dir = Service::FileSystem::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.begin(), disabled.end(), subdir->GetName()) != disabled.end())
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continue;
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auto romfs_dir = subdir->GetSubdirectory("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 = subdir->GetSubdirectory("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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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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if (romfs == nullptr)
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return romfs;
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const auto installed = Service::FileSystem::GetUnionContents();
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// Game Updates
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const auto update_tid = GetUpdateTitleID(title_id);
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const auto update = installed.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.begin(), disabled.end(), "Update") != disabled.end();
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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(installed.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);
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return romfs;
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}
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static void AppendCommaIfNotEmpty(std::string& to, const std::string& with) {
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if (to.empty())
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to += with;
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else
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to += ", " + with;
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}
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static 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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std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNames(
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VirtualFile update_raw) const {
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std::map<std::string, std::string, std::less<>> out;
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const auto installed = Service::FileSystem::GetUnionContents();
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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);
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PatchManager update{update_tid};
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auto [nacp, discard_icon_file] = update.GetControlMetadata();
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const auto update_disabled =
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std::find(disabled.begin(), disabled.end(), "Update") != disabled.end();
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const auto update_label = update_disabled ? "[D] Update" : "Update";
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if (nacp != nullptr) {
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out.insert_or_assign(update_label, nacp->GetVersionString());
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} else {
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if (installed.HasEntry(update_tid, ContentRecordType::Program)) {
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const auto meta_ver = installed.GetEntryVersion(update_tid);
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if (meta_ver.value_or(0) == 0) {
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out.insert_or_assign(update_label, "");
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} else {
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out.insert_or_assign(
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update_label, FormatTitleVersion(*meta_ver, TitleVersionFormat::ThreeElements));
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}
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} else if (update_raw != nullptr) {
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out.insert_or_assign(update_label, "PACKED");
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}
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}
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// General Mods (LayeredFS and IPS)
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const auto mod_dir = Service::FileSystem::GetModificationLoadRoot(title_id);
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if (mod_dir != nullptr && mod_dir->GetSize() > 0) {
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for (const auto& mod : mod_dir->GetSubdirectories()) {
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std::string types;
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const auto exefs_dir = mod->GetSubdirectory("exefs");
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if (IsDirValidAndNonEmpty(exefs_dir)) {
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bool ips = false;
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bool ipswitch = false;
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bool layeredfs = false;
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for (const auto& file : exefs_dir->GetFiles()) {
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if (file->GetExtension() == "ips") {
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ips = true;
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} else if (file->GetExtension() == "pchtxt") {
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ipswitch = true;
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} else if (std::find(EXEFS_FILE_NAMES.begin(), EXEFS_FILE_NAMES.end(),
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file->GetName()) != EXEFS_FILE_NAMES.end()) {
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layeredfs = true;
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}
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}
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if (ips)
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AppendCommaIfNotEmpty(types, "IPS");
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if (ipswitch)
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AppendCommaIfNotEmpty(types, "IPSwitch");
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if (layeredfs)
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AppendCommaIfNotEmpty(types, "LayeredExeFS");
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}
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if (IsDirValidAndNonEmpty(mod->GetSubdirectory("romfs")))
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AppendCommaIfNotEmpty(types, "LayeredFS");
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if (types.empty())
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continue;
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const auto mod_disabled =
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std::find(disabled.begin(), disabled.end(), mod->GetName()) != disabled.end();
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out.insert_or_assign(mod_disabled ? "[D] " + mod->GetName() : mod->GetName(), types);
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}
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}
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// DLC
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const auto dlc_entries = installed.ListEntriesFilter(TitleType::AOC, ContentRecordType::Data);
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std::vector<RegisteredCacheEntry> dlc_match;
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dlc_match.reserve(dlc_entries.size());
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std::copy_if(dlc_entries.begin(), dlc_entries.end(), std::back_inserter(dlc_match),
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[this, &installed](const RegisteredCacheEntry& entry) {
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return (entry.title_id & DLC_BASE_TITLE_ID_MASK) == title_id &&
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installed.GetEntry(entry)->GetStatus() == Loader::ResultStatus::Success;
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});
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if (!dlc_match.empty()) {
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// Ensure sorted so DLC IDs show in order.
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std::sort(dlc_match.begin(), dlc_match.end());
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std::string list;
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for (size_t i = 0; i < dlc_match.size() - 1; ++i)
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list += fmt::format("{}, ", dlc_match[i].title_id & 0x7FF);
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list += fmt::format("{}", dlc_match.back().title_id & 0x7FF);
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const auto dlc_disabled =
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std::find(disabled.begin(), disabled.end(), "DLC") != disabled.end();
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out.insert_or_assign(dlc_disabled ? "[D] DLC" : "DLC", std::move(list));
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}
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return out;
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}
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std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::GetControlMetadata() const {
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const auto installed{Service::FileSystem::GetUnionContents()};
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const auto base_control_nca = installed.GetEntry(title_id, ContentRecordType::Control);
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if (base_control_nca == nullptr)
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return {};
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return ParseControlNCA(*base_control_nca);
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}
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std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::ParseControlNCA(const NCA& nca) const {
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const auto base_romfs = nca.GetRomFS();
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if (base_romfs == nullptr)
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|
return {};
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|
|
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const auto romfs = PatchRomFS(base_romfs, nca.GetBaseIVFCOffset(), ContentRecordType::Control);
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|
if (romfs == nullptr)
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|
return {};
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|
|
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const auto extracted = ExtractRomFS(romfs);
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|
if (extracted == nullptr)
|
|
return {};
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|
|
|
auto nacp_file = extracted->GetFile("control.nacp");
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|
if (nacp_file == nullptr)
|
|
nacp_file = extracted->GetFile("Control.nacp");
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|
|
|
auto nacp = nacp_file == nullptr ? nullptr : std::make_unique<NACP>(nacp_file);
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|
|
|
VirtualFile icon_file;
|
|
for (const auto& language : FileSys::LANGUAGE_NAMES) {
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|
icon_file = extracted->GetFile("icon_" + std::string(language) + ".dat");
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|
if (icon_file != nullptr)
|
|
break;
|
|
}
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|
|
|
return {std::move(nacp), icon_file};
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}
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} // namespace FileSys
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