246 lines
7.7 KiB
C++
246 lines
7.7 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 <cstring>
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#include <string_view>
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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/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_)
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: file(std::move(file_)), status{Loader::ResultStatus::Success},
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pfs(std::make_shared<PartitionFilesystem>(file)) {
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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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if (IsDirectoryExeFS(pfs)) {
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extracted = true;
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exefs = pfs;
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const auto& files = pfs->GetFiles();
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const auto romfs_iter =
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std::find_if(files.begin(), files.end(), [](const FileSys::VirtualFile& file) {
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return file->GetName().find(".romfs") != std::string::npos;
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});
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if (romfs_iter != files.end())
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romfs = *romfs_iter;
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return;
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}
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extracted = false;
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const auto files = pfs->GetFiles();
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Core::Crypto::KeyManager keys;
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for (const auto& ticket_file : files) {
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if (ticket_file->GetExtension() == "tik") {
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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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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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std::string_view name_only(ticket_file->GetName());
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name_only.remove_suffix(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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for (const auto& outer_file : files) {
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if (outer_file->GetName().substr(outer_file->GetName().size() - 9) == ".cnmt.nca") {
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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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const CNMT cnmt(inner_file);
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auto& ncas_title = ncas[cnmt.GetTitleID()];
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ncas_title[ContentRecordType::Meta] = nca;
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for (const auto& rec : cnmt.GetContentRecords()) {
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const auto id_string = Common::HexArrayToString(rec.nca_id, false);
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const auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string));
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if (next_file == nullptr) {
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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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continue;
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}
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auto next_nca = std::make_shared<NCA>(next_file);
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if (next_nca->GetType() == NCAContentType::Program)
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program_status[cnmt.GetTitleID()] = next_nca->GetStatus();
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if (next_nca->GetStatus() == Loader::ResultStatus::Success)
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ncas_title[rec.type] = std::move(next_nca);
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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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}
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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(u64 title_id) const {
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const auto iter = program_status.find(title_id);
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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::GetFirstTitleID() const {
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if (program_status.empty())
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return 0;
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return program_status.begin()->first;
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}
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u64 NSP::GetProgramTitleID() const {
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const auto out = GetFirstTitleID();
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if ((out & 0x800) == 0)
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return out;
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const auto ids = GetTitleIDs();
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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() ? out : *iter;
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}
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std::vector<u64> NSP::GetTitleIDs() const {
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std::vector<u64> out;
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out.reserve(ncas.size());
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for (const auto& kv : ncas)
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out.push_back(kv.first);
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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<ContentRecordType, std::shared_ptr<NCA>>> 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) 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(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) 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);
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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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bool NSP::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
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return false;
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}
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} // namespace FileSys
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