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https://github.com/yuzu-emu/yuzu.git
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319 lines
9.1 KiB
C++
319 lines
9.1 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 <array>
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#include <string>
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#include <fmt/ostream.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/card_image.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/file_sys/vfs_concat.h"
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#include "core/file_sys/vfs_offset.h"
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#include "core/file_sys/vfs_vector.h"
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#include "core/loader/loader.h"
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namespace FileSys {
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constexpr u64 GAMECARD_CERTIFICATE_OFFSET = 0x7000;
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constexpr std::array partition_names{
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"update",
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"normal",
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"secure",
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"logo",
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};
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XCI::XCI(VirtualFile file_, std::size_t program_index)
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: file(std::move(file_)), program_nca_status{Loader::ResultStatus::ErrorXCIMissingProgramNCA},
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partitions(partition_names.size()),
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partitions_raw(partition_names.size()), keys{Core::Crypto::KeyManager::Instance()} {
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if (file->ReadObject(&header) != sizeof(GamecardHeader)) {
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status = Loader::ResultStatus::ErrorBadXCIHeader;
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return;
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}
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if (header.magic != Common::MakeMagic('H', 'E', 'A', 'D')) {
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status = Loader::ResultStatus::ErrorBadXCIHeader;
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return;
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}
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PartitionFilesystem main_hfs(std::make_shared<OffsetVfsFile>(
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file, file->GetSize() - header.hfs_offset, header.hfs_offset));
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update_normal_partition_end = main_hfs.GetFileOffsets()["secure"];
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if (main_hfs.GetStatus() != Loader::ResultStatus::Success) {
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status = main_hfs.GetStatus();
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return;
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}
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for (XCIPartition partition :
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{XCIPartition::Update, XCIPartition::Normal, XCIPartition::Secure, XCIPartition::Logo}) {
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const auto partition_idx = static_cast<std::size_t>(partition);
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auto raw = main_hfs.GetFile(partition_names[partition_idx]);
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partitions_raw[static_cast<std::size_t>(partition)] = std::move(raw);
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}
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secure_partition = std::make_shared<NSP>(
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main_hfs.GetFile(partition_names[static_cast<std::size_t>(XCIPartition::Secure)]),
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program_index);
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ncas = secure_partition->GetNCAsCollapsed();
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program =
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secure_partition->GetNCA(secure_partition->GetProgramTitleID(), ContentRecordType::Program);
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program_nca_status = secure_partition->GetProgramStatus(secure_partition->GetProgramTitleID());
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if (program_nca_status == Loader::ResultStatus::ErrorNSPMissingProgramNCA) {
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program_nca_status = Loader::ResultStatus::ErrorXCIMissingProgramNCA;
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}
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auto result = AddNCAFromPartition(XCIPartition::Normal);
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if (result != Loader::ResultStatus::Success) {
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status = result;
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return;
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}
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if (GetFormatVersion() >= 0x2) {
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result = AddNCAFromPartition(XCIPartition::Logo);
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if (result != Loader::ResultStatus::Success) {
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status = result;
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return;
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}
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}
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status = Loader::ResultStatus::Success;
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}
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XCI::~XCI() = default;
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Loader::ResultStatus XCI::GetStatus() const {
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return status;
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}
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Loader::ResultStatus XCI::GetProgramNCAStatus() const {
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return program_nca_status;
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}
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VirtualDir XCI::GetPartition(XCIPartition partition) {
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const auto id = static_cast<std::size_t>(partition);
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if (partitions[id] == nullptr && partitions_raw[id] != nullptr) {
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partitions[id] = std::make_shared<PartitionFilesystem>(partitions_raw[id]);
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}
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return partitions[static_cast<std::size_t>(partition)];
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}
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std::vector<VirtualDir> XCI::GetPartitions() {
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std::vector<VirtualDir> out;
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for (const auto& id :
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{XCIPartition::Update, XCIPartition::Normal, XCIPartition::Secure, XCIPartition::Logo}) {
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const auto part = GetPartition(id);
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if (part != nullptr) {
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out.push_back(part);
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}
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}
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return out;
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}
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std::shared_ptr<NSP> XCI::GetSecurePartitionNSP() const {
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return secure_partition;
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}
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VirtualDir XCI::GetSecurePartition() {
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return GetPartition(XCIPartition::Secure);
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}
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VirtualDir XCI::GetNormalPartition() {
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return GetPartition(XCIPartition::Normal);
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}
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VirtualDir XCI::GetUpdatePartition() {
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return GetPartition(XCIPartition::Update);
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}
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VirtualDir XCI::GetLogoPartition() {
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return GetPartition(XCIPartition::Logo);
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}
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VirtualFile XCI::GetPartitionRaw(XCIPartition partition) const {
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return partitions_raw[static_cast<std::size_t>(partition)];
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}
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VirtualFile XCI::GetSecurePartitionRaw() const {
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return GetPartitionRaw(XCIPartition::Secure);
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}
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VirtualFile XCI::GetStoragePartition0() const {
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return std::make_shared<OffsetVfsFile>(file, update_normal_partition_end, 0, "partition0");
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}
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VirtualFile XCI::GetStoragePartition1() const {
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return std::make_shared<OffsetVfsFile>(file, file->GetSize() - update_normal_partition_end,
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update_normal_partition_end, "partition1");
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}
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VirtualFile XCI::GetNormalPartitionRaw() const {
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return GetPartitionRaw(XCIPartition::Normal);
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}
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VirtualFile XCI::GetUpdatePartitionRaw() const {
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return GetPartitionRaw(XCIPartition::Update);
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}
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VirtualFile XCI::GetLogoPartitionRaw() const {
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return GetPartitionRaw(XCIPartition::Logo);
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}
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u64 XCI::GetProgramTitleID() const {
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return secure_partition->GetProgramTitleID();
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}
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u32 XCI::GetSystemUpdateVersion() {
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const auto update = GetPartition(XCIPartition::Update);
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if (update == nullptr) {
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return 0;
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}
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for (const auto& update_file : update->GetFiles()) {
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NCA nca{update_file, nullptr, 0};
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if (nca.GetStatus() != Loader::ResultStatus::Success) {
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continue;
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}
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if (nca.GetType() == NCAContentType::Meta && nca.GetTitleId() == 0x0100000000000816) {
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const auto dir = nca.GetSubdirectories()[0];
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const auto cnmt = dir->GetFile("SystemUpdate_0100000000000816.cnmt");
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if (cnmt == nullptr) {
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continue;
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}
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CNMT cnmt_data{cnmt};
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const auto metas = cnmt_data.GetMetaRecords();
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if (metas.empty()) {
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continue;
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}
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return metas[0].title_version;
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}
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}
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return 0;
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}
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u64 XCI::GetSystemUpdateTitleID() const {
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return 0x0100000000000816;
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}
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bool XCI::HasProgramNCA() const {
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return program != nullptr;
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}
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VirtualFile XCI::GetProgramNCAFile() const {
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if (!HasProgramNCA()) {
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return nullptr;
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}
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return program->GetBaseFile();
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}
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const std::vector<std::shared_ptr<NCA>>& XCI::GetNCAs() const {
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return ncas;
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}
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std::shared_ptr<NCA> XCI::GetNCAByType(NCAContentType type) const {
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const auto iter =
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std::find_if(ncas.begin(), ncas.end(),
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[type](const std::shared_ptr<NCA>& nca) { return nca->GetType() == type; });
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return iter == ncas.end() ? nullptr : *iter;
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}
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VirtualFile XCI::GetNCAFileByType(NCAContentType type) const {
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auto nca = GetNCAByType(type);
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if (nca != nullptr) {
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return nca->GetBaseFile();
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}
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return nullptr;
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}
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std::vector<VirtualFile> XCI::GetFiles() const {
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return {};
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}
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std::vector<VirtualDir> XCI::GetSubdirectories() const {
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return {};
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}
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std::string XCI::GetName() const {
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return file->GetName();
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}
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VirtualDir XCI::GetParentDirectory() const {
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return file->GetContainingDirectory();
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}
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VirtualDir XCI::ConcatenatedPseudoDirectory() {
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const auto out = std::make_shared<VectorVfsDirectory>();
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for (const auto& part_id : {XCIPartition::Normal, XCIPartition::Logo, XCIPartition::Secure}) {
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const auto& part = GetPartition(part_id);
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if (part == nullptr)
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continue;
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for (const auto& part_file : part->GetFiles())
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out->AddFile(part_file);
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}
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return out;
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}
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std::array<u8, 0x200> XCI::GetCertificate() const {
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std::array<u8, 0x200> out;
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file->Read(out.data(), out.size(), GAMECARD_CERTIFICATE_OFFSET);
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return out;
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}
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Loader::ResultStatus XCI::AddNCAFromPartition(XCIPartition part) {
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const auto partition_index = static_cast<std::size_t>(part);
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const auto partition = GetPartition(part);
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if (partition == nullptr) {
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return Loader::ResultStatus::ErrorXCIMissingPartition;
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}
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for (const VirtualFile& partition_file : partition->GetFiles()) {
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if (partition_file->GetExtension() != "nca") {
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continue;
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}
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auto nca = std::make_shared<NCA>(partition_file, nullptr, 0);
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if (nca->IsUpdate()) {
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continue;
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}
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if (nca->GetType() == NCAContentType::Program) {
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program_nca_status = nca->GetStatus();
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}
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if (nca->GetStatus() == Loader::ResultStatus::Success) {
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ncas.push_back(std::move(nca));
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} else {
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const u16 error_id = static_cast<u16>(nca->GetStatus());
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LOG_CRITICAL(Loader, "Could not load NCA {}/{}, failed with error code {:04X} ({})",
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partition_names[partition_index], nca->GetName(), error_id,
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nca->GetStatus());
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}
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}
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return Loader::ResultStatus::Success;
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}
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u8 XCI::GetFormatVersion() {
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return GetLogoPartition() == nullptr ? 0x1 : 0x2;
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}
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} // namespace FileSys
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