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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <fmt/ostream.h>
#include "common/assert.h"
#include "common/hex_util.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/submission_package.h"
#include "core/loader/loader.h"
namespace FileSys {
NSP::NSP(VirtualFile file_)
: file(std::move(file_)),
pfs(std::make_shared<PartitionFilesystem>(file)), status{Loader::ResultStatus::Success} {
if (pfs->GetStatus() != Loader::ResultStatus::Success) {
status = pfs->GetStatus();
return;
}
if (IsDirectoryExeFS(pfs)) {
extracted = true;
exefs = pfs;
const auto& files = pfs->GetFiles();
const auto romfs_iter =
std::find_if(files.begin(), files.end(), [](const FileSys::VirtualFile& file) {
return file->GetName().find(".romfs") != std::string::npos;
});
if (romfs_iter != files.end())
romfs = *romfs_iter;
return;
}
extracted = false;
const auto files = pfs->GetFiles();
Core::Crypto::KeyManager keys;
for (const auto& ticket_file : files) {
if (ticket_file->GetExtension() == "tik") {
if (ticket_file == nullptr ||
ticket_file->GetSize() <
Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
continue;
}
Core::Crypto::Key128 key{};
ticket_file->Read(key.data(), key.size(), Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
std::string_view name_only(ticket_file->GetName());
name_only.remove_suffix(4);
const auto rights_id_raw = Common::HexStringToArray<16>(name_only);
u128 rights_id;
std::memcpy(rights_id.data(), rights_id_raw.data(), sizeof(u128));
keys.SetKey(Core::Crypto::S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
}
}
for (const auto& outer_file : files) {
if (outer_file->GetName().substr(outer_file->GetName().size() - 9) == ".cnmt.nca") {
const auto nca = std::make_shared<NCA>(outer_file);
if (nca->GetStatus() != Loader::ResultStatus::Success)
continue;
const auto section0 = nca->GetSubdirectories()[0];
for (const auto& inner_file : section0->GetFiles()) {
if (inner_file->GetExtension() != "cnmt")
continue;
const CNMT cnmt(inner_file);
auto& ncas_title = ncas[cnmt.GetTitleID()];
ncas_title[ContentRecordType::Meta] = nca;
for (const auto& rec : cnmt.GetContentRecords()) {
const auto id_string = Common::HexArrayToString(rec.nca_id, false);
const auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string));
if (next_file == nullptr) {
LOG_WARNING(Service_FS,
"NCA with ID {}.nca is listed in content metadata, but cannot "
"be found in PFS. NSP appears to be corrupted.",
id_string);
continue;
}
auto next_nca = std::make_shared<NCA>(next_file);
if (next_nca->GetType() == NCAContentType::Program)
program_status[cnmt.GetTitleID()] = next_nca->GetStatus();
if (next_nca->GetStatus() == Loader::ResultStatus::Success)
ncas_title[rec.type] = std::move(next_nca);
}
break;
}
}
}
}
NSP::~NSP() = default;
Loader::ResultStatus NSP::GetStatus() const {
return status;
}
Loader::ResultStatus NSP::GetProgramStatus(u64 title_id) const {
const auto iter = program_status.find(title_id);
if (iter == program_status.end())
return Loader::ResultStatus::ErrorNSPMissingProgramNCA;
return iter->second;
}
u64 NSP::GetFirstTitleID() const {
if (program_status.empty())
return 0;
return program_status.begin()->first;
}
u64 NSP::GetProgramTitleID() const {
const auto out = GetFirstTitleID();
if ((out & 0x800) == 0)
return out;
const auto ids = GetTitleIDs();
const auto iter =
std::find_if(ids.begin(), ids.end(), [](u64 tid) { return (tid & 0x800) == 0; });
return iter == ids.end() ? out : *iter;
}
std::vector<u64> NSP::GetTitleIDs() const {
std::vector<u64> out;
out.reserve(ncas.size());
for (const auto& kv : ncas)
out.push_back(kv.first);
return out;
}
bool NSP::IsExtractedType() const {
return extracted;
}
VirtualFile NSP::GetRomFS() const {
return romfs;
}
VirtualDir NSP::GetExeFS() const {
return exefs;
}
std::vector<std::shared_ptr<NCA>> NSP::GetNCAsCollapsed() const {
if (extracted)
LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
std::vector<std::shared_ptr<NCA>> out;
for (const auto& map : ncas) {
for (const auto& inner_map : map.second)
out.push_back(inner_map.second);
}
return out;
}
std::multimap<u64, std::shared_ptr<NCA>> NSP::GetNCAsByTitleID() const {
if (extracted)
LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
std::multimap<u64, std::shared_ptr<NCA>> out;
for (const auto& map : ncas) {
for (const auto& inner_map : map.second)
out.emplace(map.first, inner_map.second);
}
return out;
}
std::map<u64, std::map<ContentRecordType, std::shared_ptr<NCA>>> NSP::GetNCAs() const {
return ncas;
}
std::shared_ptr<NCA> NSP::GetNCA(u64 title_id, ContentRecordType type) const {
if (extracted)
LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
const auto title_id_iter = ncas.find(title_id);
if (title_id_iter == ncas.end())
return nullptr;
const auto type_iter = title_id_iter->second.find(type);
if (type_iter == title_id_iter->second.end())
return nullptr;
return type_iter->second;
}
VirtualFile NSP::GetNCAFile(u64 title_id, ContentRecordType type) const {
if (extracted)
LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
const auto nca = GetNCA(title_id, type);
if (nca != nullptr)
return nca->GetBaseFile();
return nullptr;
}
std::vector<Core::Crypto::Key128> NSP::GetTitlekey() const {
if (extracted)
LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
std::vector<Core::Crypto::Key128> out;
for (const auto& ticket_file : ticket_files) {
if (ticket_file == nullptr ||
ticket_file->GetSize() <
Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
continue;
}
out.emplace_back();
ticket_file->Read(out.back().data(), out.back().size(),
Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
}
return out;
}
std::vector<VirtualFile> NSP::GetFiles() const {
return pfs->GetFiles();
}
std::vector<VirtualDir> NSP::GetSubdirectories() const {
return pfs->GetSubdirectories();
}
std::string NSP::GetName() const {
return file->GetName();
}
VirtualDir NSP::GetParentDirectory() const {
return file->GetContainingDirectory();
}
bool NSP::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
return false;
}
} // namespace FileSys
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