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99ceb03a1c
This formats all copyright comments according to SPDX formatting guidelines. Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
318 lines
10 KiB
C++
318 lines
10 KiB
C++
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <algorithm>
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#include <cstring>
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#include <fmt/ostream.h>
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#include "common/hex_util.h"
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#include "common/logging/log.h"
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#include "core/crypto/key_manager.h"
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#include "core/file_sys/content_archive.h"
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#include "core/file_sys/nca_metadata.h"
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#include "core/file_sys/partition_filesystem.h"
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#include "core/file_sys/program_metadata.h"
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#include "core/file_sys/submission_package.h"
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#include "core/loader/loader.h"
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namespace FileSys {
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NSP::NSP(VirtualFile file_, u64 title_id_, std::size_t program_index_)
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: file(std::move(file_)), expected_program_id(title_id_),
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program_index(program_index_), status{Loader::ResultStatus::Success},
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pfs(std::make_shared<PartitionFilesystem>(file)), keys{Core::Crypto::KeyManager::Instance()} {
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if (pfs->GetStatus() != Loader::ResultStatus::Success) {
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status = pfs->GetStatus();
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return;
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}
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const auto files = pfs->GetFiles();
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if (IsDirectoryExeFS(pfs)) {
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extracted = true;
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InitializeExeFSAndRomFS(files);
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return;
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}
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SetTicketKeys(files);
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ReadNCAs(files);
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}
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NSP::~NSP() = default;
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Loader::ResultStatus NSP::GetStatus() const {
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return status;
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}
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Loader::ResultStatus NSP::GetProgramStatus() const {
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if (IsExtractedType() && GetExeFS() != nullptr && FileSys::IsDirectoryExeFS(GetExeFS())) {
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return Loader::ResultStatus::Success;
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}
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const auto iter = program_status.find(GetProgramTitleID());
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if (iter == program_status.end())
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return Loader::ResultStatus::ErrorNSPMissingProgramNCA;
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return iter->second;
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}
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u64 NSP::GetProgramTitleID() const {
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if (IsExtractedType()) {
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return GetExtractedTitleID() + program_index;
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}
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auto program_id = expected_program_id;
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if (program_id == 0) {
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if (!program_status.empty()) {
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program_id = program_status.begin()->first;
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}
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}
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program_id = program_id + program_index;
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if (program_status.find(program_id) != program_status.end()) {
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return program_id;
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}
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const auto ids = GetProgramTitleIDs();
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const auto iter =
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std::find_if(ids.begin(), ids.end(), [](u64 tid) { return (tid & 0x800) == 0; });
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return iter == ids.end() ? 0 : *iter;
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}
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u64 NSP::GetExtractedTitleID() const {
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if (GetExeFS() == nullptr || !IsDirectoryExeFS(GetExeFS())) {
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return 0;
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}
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ProgramMetadata meta;
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if (meta.Load(GetExeFS()->GetFile("main.npdm")) == Loader::ResultStatus::Success) {
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return meta.GetTitleID();
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} else {
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return 0;
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}
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}
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std::vector<u64> NSP::GetProgramTitleIDs() const {
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if (IsExtractedType()) {
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return {GetExtractedTitleID()};
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}
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std::vector<u64> out{program_ids.cbegin(), program_ids.cend()};
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return out;
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}
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bool NSP::IsExtractedType() const {
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return extracted;
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}
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VirtualFile NSP::GetRomFS() const {
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return romfs;
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}
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VirtualDir NSP::GetExeFS() const {
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return exefs;
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}
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std::vector<std::shared_ptr<NCA>> NSP::GetNCAsCollapsed() const {
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if (extracted)
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LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
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std::vector<std::shared_ptr<NCA>> out;
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for (const auto& map : ncas) {
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for (const auto& inner_map : map.second)
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out.push_back(inner_map.second);
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}
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return out;
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}
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std::multimap<u64, std::shared_ptr<NCA>> NSP::GetNCAsByTitleID() const {
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if (extracted)
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LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
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std::multimap<u64, std::shared_ptr<NCA>> out;
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for (const auto& map : ncas) {
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for (const auto& inner_map : map.second)
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out.emplace(map.first, inner_map.second);
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}
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return out;
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}
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std::map<u64, std::map<std::pair<TitleType, ContentRecordType>, std::shared_ptr<NCA>>>
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NSP::GetNCAs() const {
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return ncas;
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}
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std::shared_ptr<NCA> NSP::GetNCA(u64 title_id, ContentRecordType type, TitleType title_type) const {
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if (extracted)
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LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
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const auto title_id_iter = ncas.find(title_id);
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if (title_id_iter == ncas.end())
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return nullptr;
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const auto type_iter = title_id_iter->second.find({title_type, type});
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if (type_iter == title_id_iter->second.end())
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return nullptr;
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return type_iter->second;
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}
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VirtualFile NSP::GetNCAFile(u64 title_id, ContentRecordType type, TitleType title_type) const {
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if (extracted)
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LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
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const auto nca = GetNCA(title_id, type, title_type);
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if (nca != nullptr)
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return nca->GetBaseFile();
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return nullptr;
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}
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std::vector<Core::Crypto::Key128> NSP::GetTitlekey() const {
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if (extracted)
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LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
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std::vector<Core::Crypto::Key128> out;
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for (const auto& ticket_file : ticket_files) {
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if (ticket_file == nullptr ||
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ticket_file->GetSize() <
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Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
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continue;
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}
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out.emplace_back();
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ticket_file->Read(out.back().data(), out.back().size(),
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Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
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}
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return out;
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}
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std::vector<VirtualFile> NSP::GetFiles() const {
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return pfs->GetFiles();
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}
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std::vector<VirtualDir> NSP::GetSubdirectories() const {
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return pfs->GetSubdirectories();
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}
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std::string NSP::GetName() const {
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return file->GetName();
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}
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VirtualDir NSP::GetParentDirectory() const {
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return file->GetContainingDirectory();
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}
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void NSP::SetTicketKeys(const std::vector<VirtualFile>& files) {
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for (const auto& ticket_file : files) {
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if (ticket_file == nullptr) {
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continue;
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}
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if (ticket_file->GetExtension() != "tik") {
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continue;
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}
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if (ticket_file->GetSize() <
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Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
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continue;
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}
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Core::Crypto::Key128 key{};
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ticket_file->Read(key.data(), key.size(), Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
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// We get the name without the extension in order to create the rights ID.
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std::string name_only(ticket_file->GetName());
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name_only.erase(name_only.size() - 4);
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const auto rights_id_raw = Common::HexStringToArray<16>(name_only);
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u128 rights_id;
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std::memcpy(rights_id.data(), rights_id_raw.data(), sizeof(u128));
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keys.SetKey(Core::Crypto::S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
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}
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}
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void NSP::InitializeExeFSAndRomFS(const std::vector<VirtualFile>& files) {
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exefs = pfs;
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const auto iter = std::find_if(files.begin(), files.end(), [](const VirtualFile& entry) {
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return entry->GetName().rfind(".romfs") != std::string::npos;
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});
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if (iter == files.end()) {
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return;
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}
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romfs = *iter;
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}
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void NSP::ReadNCAs(const std::vector<VirtualFile>& files) {
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for (const auto& outer_file : files) {
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if (outer_file->GetName().size() < 9 ||
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outer_file->GetName().substr(outer_file->GetName().size() - 9) != ".cnmt.nca") {
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continue;
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}
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const auto nca = std::make_shared<NCA>(outer_file);
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if (nca->GetStatus() != Loader::ResultStatus::Success) {
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program_status[nca->GetTitleId()] = nca->GetStatus();
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continue;
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}
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const auto section0 = nca->GetSubdirectories()[0];
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for (const auto& inner_file : section0->GetFiles()) {
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if (inner_file->GetExtension() != "cnmt") {
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continue;
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}
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const CNMT cnmt(inner_file);
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ncas[cnmt.GetTitleID()][{cnmt.GetType(), ContentRecordType::Meta}] = nca;
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for (const auto& rec : cnmt.GetContentRecords()) {
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const auto id_string = Common::HexToString(rec.nca_id, false);
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auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string));
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if (next_file == nullptr) {
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if (rec.type != ContentRecordType::DeltaFragment) {
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LOG_WARNING(Service_FS,
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"NCA with ID {}.nca is listed in content metadata, but cannot "
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"be found in PFS. NSP appears to be corrupted.",
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id_string);
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}
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continue;
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}
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auto next_nca = std::make_shared<NCA>(std::move(next_file), nullptr, 0);
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if (next_nca->GetType() == NCAContentType::Program) {
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program_status[next_nca->GetTitleId()] = next_nca->GetStatus();
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program_ids.insert(next_nca->GetTitleId() & 0xFFFFFFFFFFFFF000);
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}
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if (next_nca->GetStatus() != Loader::ResultStatus::Success &&
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next_nca->GetStatus() != Loader::ResultStatus::ErrorMissingBKTRBaseRomFS) {
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continue;
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}
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// If the last 3 hexadecimal digits of the CNMT TitleID is 0x800 or is missing the
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// BKTRBaseRomFS, this is an update NCA. Otherwise, this is a base NCA.
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if ((cnmt.GetTitleID() & 0x800) != 0 ||
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next_nca->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS) {
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// If the last 3 hexadecimal digits of the NCA's TitleID is between 0x1 and
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// 0x7FF, this is a multi-program update NCA. Otherwise, this is a regular
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// update NCA.
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if ((next_nca->GetTitleId() & 0x7FF) != 0 &&
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(next_nca->GetTitleId() & 0x800) == 0) {
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ncas[next_nca->GetTitleId()][{cnmt.GetType(), rec.type}] =
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std::move(next_nca);
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} else {
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ncas[cnmt.GetTitleID()][{cnmt.GetType(), rec.type}] = std::move(next_nca);
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}
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} else {
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ncas[next_nca->GetTitleId()][{cnmt.GetType(), rec.type}] = std::move(next_nca);
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}
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}
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break;
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}
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}
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}
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} // namespace FileSys
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