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registration: Take RawCopy function as parameter

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Instead of defaulting to VfsRawCopy
This commit is contained in:
Zach Hilman 2018-08-10 15:06:37 -04:00
parent 10812f8407
commit 3b3c919e20
2 changed files with 15 additions and 10 deletions
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16
src/core/file_sys/registered_cache.cpp
View File

@ -335,7 +335,7 @@ static std::shared_ptr<NCA> GetNCAFromXCIForID(std::shared_ptr<XCI> xci, const N
return iter == xci->GetNCAs().end() ? nullptr : *iter;
}
bool RegisteredCache::InstallEntry(std::shared_ptr<XCI> xci) {
bool RegisteredCache::InstallEntry(std::shared_ptr<XCI> xci, const VfsCopyFunction& copy) {
const auto& ncas = xci->GetNCAs();
const auto& meta_iter = std::find_if(ncas.begin(), ncas.end(), [](std::shared_ptr<NCA> nca) {
return nca->GetType() == NCAContentType::Meta;
@ -350,7 +350,7 @@ bool RegisteredCache::InstallEntry(std::shared_ptr<XCI> xci) {
// Install Metadata File
const auto meta_id_raw = (*meta_iter)->GetName().substr(0, 32);
const auto meta_id = HexStringToArray<16>(meta_id_raw);
if (!RawInstallNCA(*meta_iter, meta_id))
if (!RawInstallNCA(*meta_iter, copy, meta_id))
return false;
// Install all the other NCAs
@ -359,7 +359,7 @@ bool RegisteredCache::InstallEntry(std::shared_ptr<XCI> xci) {
const CNMT cnmt(cnmt_file);
for (const auto& record : cnmt.GetContentRecords()) {
const auto nca = GetNCAFromXCIForID(xci, record.nca_id);
if (nca == nullptr || !RawInstallNCA(nca, record.nca_id))
if (nca == nullptr || !RawInstallNCA(nca, copy, record.nca_id))
return false;
}
@ -367,7 +367,8 @@ bool RegisteredCache::InstallEntry(std::shared_ptr<XCI> xci) {
return true;
}
bool RegisteredCache::InstallEntry(std::shared_ptr<NCA> nca, TitleType type) {
bool RegisteredCache::InstallEntry(std::shared_ptr<NCA> nca, TitleType type,
const VfsCopyFunction& copy) {
CNMTHeader header{
nca->GetTitleId(), ///< Title ID
0, ///< Ignore/Default title version
@ -384,10 +385,11 @@ bool RegisteredCache::InstallEntry(std::shared_ptr<NCA> nca, TitleType type) {
mbedtls_sha256(data.data(), data.size(), c_rec.hash.data(), 0);
memcpy(&c_rec.nca_id, &c_rec.hash, 16);
const CNMT new_cnmt(header, opt_header, {c_rec}, {});
return RawInstallYuzuMeta(new_cnmt) && RawInstallNCA(nca, c_rec.nca_id);
return RawInstallYuzuMeta(new_cnmt) && RawInstallNCA(nca, copy, c_rec.nca_id);
}
bool RegisteredCache::RawInstallNCA(std::shared_ptr<NCA> nca, boost::optional<NcaID> override_id) {
bool RegisteredCache::RawInstallNCA(std::shared_ptr<NCA> nca, const VfsCopyFunction& copy,
boost::optional<NcaID> override_id) {
const auto in = nca->GetBaseFile();
Core::Crypto::SHA256Hash hash{};
@ -414,7 +416,7 @@ bool RegisteredCache::RawInstallNCA(std::shared_ptr<NCA> nca, boost::optional<Nc
auto out = dir->CreateFileRelative(path);
if (out == nullptr)
return false;
return VfsRawCopy(in, out);
return copy(in, out);
}
bool RegisteredCache::RawInstallYuzuMeta(const CNMT& cnmt) {

9
src/core/file_sys/registered_cache.h
View File

@ -23,6 +23,7 @@ class CNMT;
using NcaID = std::array<u8, 0x10>;
using RegisteredCacheParsingFunction = std::function<VirtualFile(const VirtualFile&, const NcaID&)>;
using VfsCopyFunction = std::function<bool(VirtualFile, VirtualFile)>;
struct RegisteredCacheEntry {
u64 title_id;
@ -76,13 +77,14 @@ public:
// Raw copies all the ncas from the xci to the csache. Does some quick checks to make sure there
// is a meta NCA and all of them are accessible.
bool InstallEntry(std::shared_ptr<XCI> xci);
bool InstallEntry(std::shared_ptr<XCI> xci, const VfsCopyFunction& copy = &VfsRawCopy);
// Due to the fact that we must use Meta-type NCAs to determine the existance of files, this
// poses quite a challenge. Instead of creating a new meta NCA for this file, yuzu will create a
// dir inside the NAND called 'yuzu_meta' and store the raw CNMT there.
// TODO(DarkLordZach): Author real meta-type NCAs and install those.
bool InstallEntry(std::shared_ptr<NCA> nca, TitleType type);
bool InstallEntry(std::shared_ptr<NCA> nca, TitleType type,
const VfsCopyFunction& copy = &VfsRawCopy);
private:
template <typename T>
@ -95,7 +97,8 @@ private:
boost::optional<NcaID> GetNcaIDFromMetadata(u64 title_id, ContentRecordType type) const;
VirtualFile GetFileAtID(NcaID id) const;
VirtualFile OpenFileOrDirectoryConcat(const VirtualDir& dir, std::string_view path) const;
bool RawInstallNCA(std::shared_ptr<NCA> nca, boost::optional<NcaID> override_id = boost::none);
bool RawInstallNCA(std::shared_ptr<NCA> nca, const VfsCopyFunction& copy,
boost::optional<NcaID> override_id = boost::none);
bool RawInstallYuzuMeta(const CNMT& cnmt);
VirtualDir dir;