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Merge pull request #1361 from lioncash/nax

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xts_archive/nax: Minor interface changes
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bunnei 2018-09-20 10:13:10 -04:00 committed by GitHub
commit b02a1e38fa
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4 changed files with 26 additions and 19 deletions
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11
src/core/file_sys/xts_archive.cpp
View file

@ -30,9 +30,6 @@ static bool CalculateHMAC256(Destination* out, const SourceKey* key, std::size_t
mbedtls_md_context_t context;
mbedtls_md_init(&context);
const auto key_f = reinterpret_cast<const u8*>(key);
const std::vector<u8> key_v(key_f, key_f + key_length);
if (mbedtls_md_setup(&context, mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), 1) ||
mbedtls_md_hmac_starts(&context, reinterpret_cast<const u8*>(key), key_length) ||
mbedtls_md_hmac_update(&context, reinterpret_cast<const u8*>(data), data_length) ||
@ -45,7 +42,7 @@ static bool CalculateHMAC256(Destination* out, const SourceKey* key, std::size_t
return true;
}
NAX::NAX(VirtualFile file_) : file(std::move(file_)), header(std::make_unique<NAXHeader>()) {
NAX::NAX(VirtualFile file_) : header(std::make_unique<NAXHeader>()), file(std::move(file_)) {
std::string path = FileUtil::SanitizePath(file->GetFullPath());
static const std::regex nax_path_regex("/registered/(000000[0-9A-F]{2})/([0-9A-F]{32})\\.nca",
std::regex_constants::ECMAScript |
@ -65,7 +62,7 @@ NAX::NAX(VirtualFile file_) : file(std::move(file_)), header(std::make_unique<NA
}
NAX::NAX(VirtualFile file_, std::array<u8, 0x10> nca_id)
: file(std::move(file_)), header(std::make_unique<NAXHeader>()) {
: header(std::make_unique<NAXHeader>()), file(std::move(file_)) {
Core::Crypto::SHA256Hash hash{};
mbedtls_sha256(nca_id.data(), nca_id.size(), hash.data(), 0);
status = Parse(fmt::format("/registered/000000{:02X}/{}.nca", hash[0],
@ -138,9 +135,9 @@ VirtualFile NAX::GetDecrypted() const {
return dec_file;
}
std::shared_ptr<NCA> NAX::AsNCA() const {
std::unique_ptr<NCA> NAX::AsNCA() const {
if (type == NAXContentType::NCA)
return std::make_shared<NCA>(GetDecrypted());
return std::make_unique<NCA>(GetDecrypted());
return nullptr;
}

4
src/core/file_sys/xts_archive.h
View file

@ -38,7 +38,7 @@ public:
VirtualFile GetDecrypted() const;
std::shared_ptr<NCA> AsNCA() const;
std::unique_ptr<NCA> AsNCA() const;
NAXContentType GetContentType() const;
@ -60,7 +60,7 @@ private:
VirtualFile file;
Loader::ResultStatus status;
NAXContentType type;
NAXContentType type{};
VirtualFile dec_file;

24
src/core/loader/nax.cpp
View file

@ -11,6 +11,20 @@
#include "core/loader/nca.h"
namespace Loader {
namespace {
FileType IdentifyTypeImpl(const FileSys::NAX& nax) {
if (nax.GetStatus() != ResultStatus::Success) {
return FileType::Error;
}
const auto nca = nax.AsNCA();
if (nca == nullptr || nca->GetStatus() != ResultStatus::Success) {
return FileType::Error;
}
return FileType::NAX;
}
} // Anonymous namespace
AppLoader_NAX::AppLoader_NAX(FileSys::VirtualFile file)
: AppLoader(file), nax(std::make_unique<FileSys::NAX>(file)),
@ -19,14 +33,12 @@ AppLoader_NAX::AppLoader_NAX(FileSys::VirtualFile file)
AppLoader_NAX::~AppLoader_NAX() = default;
FileType AppLoader_NAX::IdentifyType(const FileSys::VirtualFile& file) {
FileSys::NAX nax(file);
if (nax.GetStatus() == ResultStatus::Success && nax.AsNCA() != nullptr &&
nax.AsNCA()->GetStatus() == ResultStatus::Success) {
return FileType::NAX;
const FileSys::NAX nax(file);
return IdentifyTypeImpl(nax);
}
return FileType::Error;
FileType AppLoader_NAX::GetFileType() {
return IdentifyTypeImpl(*nax);
}
ResultStatus AppLoader_NAX::Load(Kernel::SharedPtr<Kernel::Process>& process) {

4
src/core/loader/nax.h
View file

@ -31,9 +31,7 @@ public:
*/
static FileType IdentifyType(const FileSys::VirtualFile& file);
FileType GetFileType() override {
return IdentifyType(file);
}
FileType GetFileType() override;
ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override;