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card_image: Implement system update commands in XCI

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This commit is contained in:
Zach Hilman 2019-10-13 14:18:09 -04:00
parent c4f3400bea
commit e0b9ee9b94
2 changed files with 37 additions and 3 deletions
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36
src/core/file_sys/card_image.cpp
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@ -57,7 +57,7 @@ XCI::XCI(VirtualFile file_)
const auto partition_idx = static_cast<std::size_t>(partition);
auto raw = main_hfs.GetFile(partition_names[partition_idx]);
partitions_raw[static_cast<std::size_t>(partition)] = raw;
partitions_raw[static_cast<std::size_t>(partition)] = std::move(raw);
}
secure_partition = std::make_shared<NSP>(
@ -172,6 +172,40 @@ u64 XCI::GetProgramTitleID() const {
return secure_partition->GetProgramTitleID();
}
u32 XCI::GetSystemUpdateVersion() {
const auto update = GetPartition(XCIPartition::Update);
if (update == nullptr)
return 0;
for (const auto& file : update->GetFiles()) {
NCA nca{file, nullptr, 0, keys};
if (nca.GetStatus() != Loader::ResultStatus::Success)
continue;
if (nca.GetType() == NCAContentType::Meta && nca.GetTitleId() == 0x0100000000000816) {
const auto dir = nca.GetSubdirectories()[0];
const auto cnmt = dir->GetFile("SystemUpdate_0100000000000816.cnmt");
if (cnmt == nullptr)
continue;
CNMT cnmt_data{cnmt};
const auto metas = cnmt_data.GetMetaRecords();
if (metas.empty())
continue;
return metas[0].title_version;
}
}
return 0;
}
u64 XCI::GetSystemUpdateTitleID() const {
return 0x0100000000000816;
}
bool XCI::HasProgramNCA() const {
return program != nullptr;
}

4
src/core/file_sys/partition_filesystem.cpp
View file

@ -65,8 +65,8 @@ PartitionFilesystem::PartitionFilesystem(std::shared_ptr<VfsFile> file) {
std::string name(
reinterpret_cast<const char*>(&file_data[strtab_offset + entry.strtab_offset]));
offsets[name] = content_offset + entry.offset;
sizes[name] = entry.size;
offsets.insert_or_assign(name, content_offset + entry.offset);
sizes.insert_or_assign(name, entry.size);
pfs_files.emplace_back(std::make_shared<OffsetVfsFile>(
file, entry.size, content_offset + entry.offset, std::move(name)));