367 lines
13 KiB
C++
367 lines
13 KiB
C++
// Copyright 2018 yuzu emulator team
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <algorithm>
|
|
#include <array>
|
|
#include <cstddef>
|
|
#include <cstring>
|
|
|
|
#include "common/hex_util.h"
|
|
#include "common/logging/log.h"
|
|
#include "core/file_sys/content_archive.h"
|
|
#include "core/file_sys/control_metadata.h"
|
|
#include "core/file_sys/ips_layer.h"
|
|
#include "core/file_sys/patch_manager.h"
|
|
#include "core/file_sys/registered_cache.h"
|
|
#include "core/file_sys/romfs.h"
|
|
#include "core/file_sys/vfs_layered.h"
|
|
#include "core/file_sys/vfs_vector.h"
|
|
#include "core/hle/service/filesystem/filesystem.h"
|
|
#include "core/loader/loader.h"
|
|
|
|
namespace FileSys {
|
|
|
|
constexpr u64 SINGLE_BYTE_MODULUS = 0x100;
|
|
constexpr u64 DLC_BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000;
|
|
|
|
struct NSOBuildHeader {
|
|
u32_le magic;
|
|
INSERT_PADDING_BYTES(0x3C);
|
|
std::array<u8, 0x20> build_id;
|
|
INSERT_PADDING_BYTES(0xA0);
|
|
};
|
|
static_assert(sizeof(NSOBuildHeader) == 0x100, "NSOBuildHeader has incorrect size.");
|
|
|
|
std::string FormatTitleVersion(u32 version, TitleVersionFormat format) {
|
|
std::array<u8, sizeof(u32)> bytes{};
|
|
bytes[0] = version % SINGLE_BYTE_MODULUS;
|
|
for (std::size_t i = 1; i < bytes.size(); ++i) {
|
|
version /= SINGLE_BYTE_MODULUS;
|
|
bytes[i] = version % SINGLE_BYTE_MODULUS;
|
|
}
|
|
|
|
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]);
|
|
}
|
|
|
|
PatchManager::PatchManager(u64 title_id) : title_id(title_id) {}
|
|
|
|
PatchManager::~PatchManager() = default;
|
|
|
|
VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
|
|
LOG_INFO(Loader, "Patching ExeFS for title_id={:016X}", title_id);
|
|
|
|
if (exefs == nullptr)
|
|
return exefs;
|
|
|
|
const auto installed = Service::FileSystem::GetUnionContents();
|
|
|
|
// Game Updates
|
|
const auto update_tid = GetUpdateTitleID(title_id);
|
|
const auto update = installed->GetEntry(update_tid, ContentRecordType::Program);
|
|
if (update != nullptr) {
|
|
if (update->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS &&
|
|
update->GetExeFS() != nullptr) {
|
|
LOG_INFO(Loader, " ExeFS: Update ({}) applied successfully",
|
|
FormatTitleVersion(installed->GetEntryVersion(update_tid).get_value_or(0)));
|
|
exefs = update->GetExeFS();
|
|
}
|
|
}
|
|
|
|
return exefs;
|
|
}
|
|
|
|
static std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
|
|
const std::string& build_id) {
|
|
std::vector<VirtualFile> out;
|
|
ips.reserve(patch_dirs.size());
|
|
for (const auto& subdir : patch_dirs) {
|
|
auto exefs_dir = subdir->GetSubdirectory("exefs");
|
|
if (exefs_dir != nullptr) {
|
|
for (const auto& file : exefs_dir->GetFiles()) {
|
|
if (file->GetExtension() == "ips") {
|
|
auto name = file->GetName();
|
|
const auto p1 = name.substr(0, name.find('.'));
|
|
const auto this_build_id = p1.substr(0, p1.find_last_not_of('0') + 1);
|
|
|
|
if (build_id == this_build_id)
|
|
out.push_back(file);
|
|
} else if (file->GetExtension() == "pchtxt") {
|
|
IPSwitchCompiler compiler{file};
|
|
if (!compiler.IsValid())
|
|
continue;
|
|
|
|
auto this_build_id = Common::HexArrayToString(compiler.GetBuildID());
|
|
this_build_id =
|
|
this_build_id.substr(0, this_build_id.find_last_not_of('0') + 1);
|
|
|
|
if (build_id == this_build_id)
|
|
out.push_back(file);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso) const {
|
|
if (nso.size() < 0x100)
|
|
return nso;
|
|
|
|
NSOBuildHeader header;
|
|
std::memcpy(&header, nso.data(), sizeof(NSOBuildHeader));
|
|
|
|
if (header.magic != Common::MakeMagic('N', 'S', 'O', '0'))
|
|
return nso;
|
|
|
|
const auto build_id_raw = Common::HexArrayToString(header.build_id);
|
|
const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1);
|
|
|
|
LOG_INFO(Loader, "Patching NSO for build_id={}", build_id);
|
|
|
|
const auto load_dir = Service::FileSystem::GetModificationLoadRoot(title_id);
|
|
auto patch_dirs = load_dir->GetSubdirectories();
|
|
std::sort(patch_dirs.begin(), patch_dirs.end(),
|
|
[](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
|
|
const auto patches = CollectPatches(patch_dirs, build_id);
|
|
|
|
auto out = nso;
|
|
for (const auto& patch_file : patches) {
|
|
if (patch_file->GetExtension() == "ips") {
|
|
LOG_INFO(Loader, " - Applying IPS patch from mod \"{}\"",
|
|
patch_file->GetContainingDirectory()->GetParentDirectory()->GetName());
|
|
const auto patched = PatchIPS(std::make_shared<VectorVfsFile>(out), patch_file);
|
|
if (patched != nullptr)
|
|
out = patched->ReadAllBytes();
|
|
} else if (patch_file->GetExtension() == "pchtxt") {
|
|
LOG_INFO(Loader, " - Applying IPSwitch patch from mod \"{}\"",
|
|
patch_file->GetContainingDirectory()->GetParentDirectory()->GetName());
|
|
const IPSwitchCompiler compiler{patch_file};
|
|
const auto patched = compiler.Apply(std::make_shared<VectorVfsFile>(out));
|
|
if (patched != nullptr)
|
|
out = patched->ReadAllBytes();
|
|
}
|
|
}
|
|
|
|
if (out.size() < 0x100)
|
|
return nso;
|
|
std::memcpy(out.data(), &header, sizeof(NSOBuildHeader));
|
|
return out;
|
|
}
|
|
|
|
bool PatchManager::HasNSOPatch(const std::array<u8, 32>& build_id_) const {
|
|
const auto build_id_raw = Common::HexArrayToString(build_id_);
|
|
const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1);
|
|
|
|
LOG_INFO(Loader, "Querying NSO patch existence for build_id={}", build_id);
|
|
|
|
const auto load_dir = Service::FileSystem::GetModificationLoadRoot(title_id);
|
|
auto patch_dirs = load_dir->GetSubdirectories();
|
|
std::sort(patch_dirs.begin(), patch_dirs.end(),
|
|
[](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
|
|
|
|
return !CollectPatches(patch_dirs, build_id).empty();
|
|
}
|
|
|
|
static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType type) {
|
|
const auto load_dir = Service::FileSystem::GetModificationLoadRoot(title_id);
|
|
if (type != ContentRecordType::Program || load_dir == nullptr || load_dir->GetSize() <= 0) {
|
|
return;
|
|
}
|
|
|
|
auto extracted = ExtractRomFS(romfs);
|
|
if (extracted == nullptr) {
|
|
return;
|
|
}
|
|
|
|
auto patch_dirs = load_dir->GetSubdirectories();
|
|
std::sort(patch_dirs.begin(), patch_dirs.end(),
|
|
[](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
|
|
|
|
std::vector<VirtualDir> layers;
|
|
layers.reserve(patch_dirs.size() + 1);
|
|
for (const auto& subdir : patch_dirs) {
|
|
auto romfs_dir = subdir->GetSubdirectory("romfs");
|
|
if (romfs_dir != nullptr)
|
|
layers.push_back(std::move(romfs_dir));
|
|
}
|
|
layers.push_back(std::move(extracted));
|
|
|
|
auto layered = LayeredVfsDirectory::MakeLayeredDirectory(std::move(layers));
|
|
if (layered == nullptr) {
|
|
return;
|
|
}
|
|
|
|
auto packed = CreateRomFS(std::move(layered));
|
|
if (packed == nullptr) {
|
|
return;
|
|
}
|
|
|
|
LOG_INFO(Loader, " RomFS: LayeredFS patches applied successfully");
|
|
romfs = std::move(packed);
|
|
}
|
|
|
|
VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset,
|
|
ContentRecordType type) const {
|
|
LOG_INFO(Loader, "Patching RomFS for title_id={:016X}, type={:02X}", title_id,
|
|
static_cast<u8>(type));
|
|
|
|
if (romfs == nullptr)
|
|
return romfs;
|
|
|
|
const auto installed = Service::FileSystem::GetUnionContents();
|
|
|
|
// Game Updates
|
|
const auto update_tid = GetUpdateTitleID(title_id);
|
|
const auto update = installed->GetEntryRaw(update_tid, type);
|
|
if (update != nullptr) {
|
|
const auto new_nca = std::make_shared<NCA>(update, romfs, ivfc_offset);
|
|
if (new_nca->GetStatus() == Loader::ResultStatus::Success &&
|
|
new_nca->GetRomFS() != nullptr) {
|
|
LOG_INFO(Loader, " RomFS: Update ({}) applied successfully",
|
|
FormatTitleVersion(installed->GetEntryVersion(update_tid).get_value_or(0)));
|
|
romfs = new_nca->GetRomFS();
|
|
}
|
|
}
|
|
|
|
// LayeredFS
|
|
ApplyLayeredFS(romfs, title_id, type);
|
|
|
|
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() const {
|
|
std::map<std::string, std::string, std::less<>> out;
|
|
const auto installed = Service::FileSystem::GetUnionContents();
|
|
|
|
// Game Updates
|
|
const auto update_tid = GetUpdateTitleID(title_id);
|
|
PatchManager update{update_tid};
|
|
auto [nacp, discard_icon_file] = update.GetControlMetadata();
|
|
|
|
if (nacp != nullptr) {
|
|
out.insert_or_assign("Update", nacp->GetVersionString());
|
|
} else {
|
|
if (installed->HasEntry(update_tid, ContentRecordType::Program)) {
|
|
const auto meta_ver = installed->GetEntryVersion(update_tid);
|
|
if (meta_ver == boost::none || meta_ver.get() == 0) {
|
|
out.insert_or_assign("Update", "");
|
|
} else {
|
|
out.insert_or_assign(
|
|
"Update",
|
|
FormatTitleVersion(meta_ver.get(), TitleVersionFormat::ThreeElements));
|
|
}
|
|
}
|
|
}
|
|
|
|
// General Mods (LayeredFS and IPS)
|
|
const auto mod_dir = Service::FileSystem::GetModificationLoadRoot(title_id);
|
|
if (mod_dir != nullptr && mod_dir->GetSize() > 0) {
|
|
for (const auto& mod : mod_dir->GetSubdirectories()) {
|
|
std::string types;
|
|
if (IsDirValidAndNonEmpty(mod->GetSubdirectory("exefs"))) {
|
|
bool ips = false;
|
|
bool ipswitch = false;
|
|
|
|
for (const auto& file : mod->GetSubdirectory("exefs")->GetFiles()) {
|
|
if (file->GetExtension() == "ips")
|
|
ips = true;
|
|
else if (file->GetExtension() == "pchtxt")
|
|
ipswitch = true;
|
|
}
|
|
|
|
if (ips)
|
|
AppendCommaIfNotEmpty(types, "IPS");
|
|
if (ipswitch)
|
|
AppendCommaIfNotEmpty(types, "IPSwitch");
|
|
}
|
|
if (IsDirValidAndNonEmpty(mod->GetSubdirectory("romfs")))
|
|
AppendCommaIfNotEmpty(types, "LayeredFS");
|
|
|
|
if (types.empty())
|
|
continue;
|
|
|
|
out.insert_or_assign(mod->GetName(), types);
|
|
}
|
|
}
|
|
|
|
// DLC
|
|
const auto dlc_entries = installed->ListEntriesFilter(TitleType::AOC, ContentRecordType::Data);
|
|
std::vector<RegisteredCacheEntry> dlc_match;
|
|
dlc_match.reserve(dlc_entries.size());
|
|
std::copy_if(dlc_entries.begin(), dlc_entries.end(), std::back_inserter(dlc_match),
|
|
[this, &installed](const RegisteredCacheEntry& entry) {
|
|
return (entry.title_id & DLC_BASE_TITLE_ID_MASK) == title_id &&
|
|
installed->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);
|
|
|
|
out.insert_or_assign("DLC", std::move(list));
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
std::pair<std::shared_ptr<NACP>, VirtualFile> PatchManager::GetControlMetadata() const {
|
|
const auto& installed{Service::FileSystem::GetUnionContents()};
|
|
|
|
const auto base_control_nca = installed->GetEntry(title_id, ContentRecordType::Control);
|
|
if (base_control_nca == nullptr)
|
|
return {};
|
|
|
|
return ParseControlNCA(base_control_nca);
|
|
}
|
|
|
|
std::pair<std::shared_ptr<NACP>, VirtualFile> PatchManager::ParseControlNCA(
|
|
const std::shared_ptr<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");
|
|
|
|
const auto nacp = nacp_file == nullptr ? nullptr : std::make_shared<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)
|
|
break;
|
|
}
|
|
|
|
return {nacp, icon_file};
|
|
}
|
|
} // namespace FileSys
|