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ncch_container: support encrypted games

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This commit is contained in:
wwylele
2018-07-28 18:30:54 +03:00
parent b92660435c
commit d4a808c885
17 changed files with 319 additions and 103 deletions
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16
src/core/file_sys/ivfc_archive.cpp
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@ -14,8 +14,7 @@
namespace FileSys {
IVFCArchive::IVFCArchive(std::shared_ptr<FileUtil::IOFile> file, u64 offset, u64 size)
: romfs_file(std::move(file)), data_offset(offset), data_size(size) {}
IVFCArchive::IVFCArchive(std::shared_ptr<RomFSReader> file) : romfs_file(std::move(file)) {}
std::string IVFCArchive::GetName() const {
return "IVFC";
@ -25,7 +24,7 @@ ResultVal<std::unique_ptr<FileBackend>> IVFCArchive::OpenFile(const Path& path,
const Mode& mode) const {
std::unique_ptr<DelayGenerator> delay_generator = std::make_unique<IVFCDelayGenerator>();
return MakeResult<std::unique_ptr<FileBackend>>(
std::make_unique<IVFCFile>(romfs_file, data_offset, data_size, std::move(delay_generator)));
std::make_unique<IVFCFile>(romfs_file, std::move(delay_generator)));
}
ResultCode IVFCArchive::DeleteFile(const Path& path) const {
@ -85,18 +84,15 @@ u64 IVFCArchive::GetFreeBytes() const {
////////////////////////////////////////////////////////////////////////////////////////////////////
IVFCFile::IVFCFile(std::shared_ptr<FileUtil::IOFile> file, u64 offset, u64 size,
IVFCFile::IVFCFile(std::shared_ptr<RomFSReader> file,
std::unique_ptr<DelayGenerator> delay_generator_)
: romfs_file(std::move(file)), data_offset(offset), data_size(size) {
: romfs_file(std::move(file)) {
delay_generator = std::move(delay_generator_);
}
ResultVal<size_t> IVFCFile::Read(const u64 offset, const size_t length, u8* buffer) const {
LOG_TRACE(Service_FS, "called offset={}, length={}", offset, length);
romfs_file->Seek(data_offset + offset, SEEK_SET);
size_t read_length = (size_t)std::min((u64)length, data_size - offset);
return MakeResult<size_t>(romfs_file->ReadBytes(buffer, read_length));
return MakeResult<size_t>(romfs_file->ReadFile(offset, length, buffer));
}
ResultVal<size_t> IVFCFile::Write(const u64 offset, const size_t length, const bool flush,
@ -107,7 +103,7 @@ ResultVal<size_t> IVFCFile::Write(const u64 offset, const size_t length, const b
}
u64 IVFCFile::GetSize() const {
return data_size;
return romfs_file->GetSize();
}
bool IVFCFile::SetSize(const u64 size) const {