citra/src/core/file_sys/submission_package.cpp
Morph 99ceb03a1c general: Convert source file copyright comments over to SPDX
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.
2022-04-23 05:55:32 -04:00

319 lines
10 KiB
C++

// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <algorithm>
#include <cstring>
#include <fmt/ostream.h>
#include "common/hex_util.h"
#include "common/logging/log.h"
#include "core/crypto/key_manager.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/partition_filesystem.h"
#include "core/file_sys/program_metadata.h"
#include "core/file_sys/submission_package.h"
#include "core/loader/loader.h"
namespace FileSys {
NSP::NSP(VirtualFile file_, u64 title_id_, std::size_t program_index_)
: file(std::move(file_)), expected_program_id(title_id_),
program_index(program_index_), status{Loader::ResultStatus::Success},
pfs(std::make_shared<PartitionFilesystem>(file)), keys{Core::Crypto::KeyManager::Instance()} {
if (pfs->GetStatus() != Loader::ResultStatus::Success) {
status = pfs->GetStatus();
return;
}
const auto files = pfs->GetFiles();
if (IsDirectoryExeFS(pfs)) {
extracted = true;
InitializeExeFSAndRomFS(files);
return;
}
SetTicketKeys(files);
ReadNCAs(files);
}
NSP::~NSP() = default;
Loader::ResultStatus NSP::GetStatus() const {
return status;
}
Loader::ResultStatus NSP::GetProgramStatus() const {
if (IsExtractedType() && GetExeFS() != nullptr && FileSys::IsDirectoryExeFS(GetExeFS())) {
return Loader::ResultStatus::Success;
}
const auto iter = program_status.find(GetProgramTitleID());
if (iter == program_status.end())
return Loader::ResultStatus::ErrorNSPMissingProgramNCA;
return iter->second;
}
u64 NSP::GetProgramTitleID() const {
if (IsExtractedType()) {
return GetExtractedTitleID() + program_index;
}
auto program_id = expected_program_id;
if (program_id == 0) {
if (!program_status.empty()) {
program_id = program_status.begin()->first;
}
}
program_id = program_id + program_index;
if (program_status.find(program_id) != program_status.end()) {
return program_id;
}
const auto ids = GetProgramTitleIDs();
const auto iter =
std::find_if(ids.begin(), ids.end(), [](u64 tid) { return (tid & 0x800) == 0; });
return iter == ids.end() ? 0 : *iter;
}
u64 NSP::GetExtractedTitleID() const {
if (GetExeFS() == nullptr || !IsDirectoryExeFS(GetExeFS())) {
return 0;
}
ProgramMetadata meta;
if (meta.Load(GetExeFS()->GetFile("main.npdm")) == Loader::ResultStatus::Success) {
return meta.GetTitleID();
} else {
return 0;
}
}
std::vector<u64> NSP::GetProgramTitleIDs() const {
if (IsExtractedType()) {
return {GetExtractedTitleID()};
}
std::vector<u64> out{program_ids.cbegin(), program_ids.cend()};
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<std::pair<TitleType, ContentRecordType>, std::shared_ptr<NCA>>>
NSP::GetNCAs() const {
return ncas;
}
std::shared_ptr<NCA> NSP::GetNCA(u64 title_id, ContentRecordType type, TitleType title_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({title_type, type});
if (type_iter == title_id_iter->second.end())
return nullptr;
return type_iter->second;
}
VirtualFile NSP::GetNCAFile(u64 title_id, ContentRecordType type, TitleType title_type) const {
if (extracted)
LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
const auto nca = GetNCA(title_id, type, title_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();
}
void NSP::SetTicketKeys(const std::vector<VirtualFile>& files) {
for (const auto& ticket_file : files) {
if (ticket_file == nullptr) {
continue;
}
if (ticket_file->GetExtension() != "tik") {
continue;
}
if (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);
// We get the name without the extension in order to create the rights ID.
std::string name_only(ticket_file->GetName());
name_only.erase(name_only.size() - 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]);
}
}
void NSP::InitializeExeFSAndRomFS(const std::vector<VirtualFile>& files) {
exefs = pfs;
const auto iter = std::find_if(files.begin(), files.end(), [](const VirtualFile& entry) {
return entry->GetName().rfind(".romfs") != std::string::npos;
});
if (iter == files.end()) {
return;
}
romfs = *iter;
}
void NSP::ReadNCAs(const std::vector<VirtualFile>& files) {
for (const auto& outer_file : files) {
if (outer_file->GetName().size() < 9 ||
outer_file->GetName().substr(outer_file->GetName().size() - 9) != ".cnmt.nca") {
continue;
}
const auto nca = std::make_shared<NCA>(outer_file);
if (nca->GetStatus() != Loader::ResultStatus::Success) {
program_status[nca->GetTitleId()] = nca->GetStatus();
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);
ncas[cnmt.GetTitleID()][{cnmt.GetType(), ContentRecordType::Meta}] = nca;
for (const auto& rec : cnmt.GetContentRecords()) {
const auto id_string = Common::HexToString(rec.nca_id, false);
auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string));
if (next_file == nullptr) {
if (rec.type != ContentRecordType::DeltaFragment) {
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>(std::move(next_file), nullptr, 0);
if (next_nca->GetType() == NCAContentType::Program) {
program_status[next_nca->GetTitleId()] = next_nca->GetStatus();
program_ids.insert(next_nca->GetTitleId() & 0xFFFFFFFFFFFFF000);
}
if (next_nca->GetStatus() != Loader::ResultStatus::Success &&
next_nca->GetStatus() != Loader::ResultStatus::ErrorMissingBKTRBaseRomFS) {
continue;
}
// If the last 3 hexadecimal digits of the CNMT TitleID is 0x800 or is missing the
// BKTRBaseRomFS, this is an update NCA. Otherwise, this is a base NCA.
if ((cnmt.GetTitleID() & 0x800) != 0 ||
next_nca->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS) {
// If the last 3 hexadecimal digits of the NCA's TitleID is between 0x1 and
// 0x7FF, this is a multi-program update NCA. Otherwise, this is a regular
// update NCA.
if ((next_nca->GetTitleId() & 0x7FF) != 0 &&
(next_nca->GetTitleId() & 0x800) == 0) {
ncas[next_nca->GetTitleId()][{cnmt.GetType(), rec.type}] =
std::move(next_nca);
} else {
ncas[cnmt.GetTitleID()][{cnmt.GetType(), rec.type}] = std::move(next_nca);
}
} else {
ncas[next_nca->GetTitleId()][{cnmt.GetType(), rec.type}] = std::move(next_nca);
}
}
break;
}
}
}
} // namespace FileSys