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author | bunnei <bunneidev@gmail.com> | 2018-10-04 01:05:19 +0200 |
---|---|---|
committer | GitHub <noreply@github.com> | 2018-10-04 01:05:19 +0200 |
commit | 15b2e2ec13b42285ea9a9300d46f4f806417e569 (patch) | |
tree | 9de5832ea37a3a9e110151686d962b9bf44e97b3 | |
parent | Merge pull request #1432 from lioncash/lbl (diff) | |
parent | submission_package: Avoid dangling std::string_view within SetTicketKeys() (diff) | |
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-rw-r--r-- | src/core/file_sys/submission_package.cpp | 169 | ||||
-rw-r--r-- | src/core/file_sys/submission_package.h | 5 |
2 files changed, 101 insertions, 73 deletions
diff --git a/src/core/file_sys/submission_package.cpp b/src/core/file_sys/submission_package.cpp index 11264878d..09bf077cd 100644 --- a/src/core/file_sys/submission_package.cpp +++ b/src/core/file_sys/submission_package.cpp @@ -18,6 +18,39 @@ #include "core/loader/loader.h" namespace FileSys { +namespace { +void SetTicketKeys(const std::vector<VirtualFile>& files) { + Core::Crypto::KeyManager keys; + + for (const auto& ticket_file : files) { + if (ticket_file == nullptr) { + continue; + } + + if (ticket_file->GetExtension() != "tik") { + continue; + } + + if (ticket_file->GetSize() < + Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) { + continue; + } + + Core::Crypto::Key128 key{}; + ticket_file->Read(key.data(), key.size(), Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET); + + // We get the name without the extension in order to create the rights ID. + std::string name_only(ticket_file->GetName()); + name_only.erase(name_only.size() - 4); + + const auto rights_id_raw = Common::HexStringToArray<16>(name_only); + u128 rights_id; + std::memcpy(rights_id.data(), rights_id_raw.data(), sizeof(u128)); + keys.SetKey(Core::Crypto::S128KeyType::Titlekey, key, rights_id[1], rights_id[0]); + } +} +} // Anonymous namespace + NSP::NSP(VirtualFile file_) : file(std::move(file_)), status{Loader::ResultStatus::Success}, pfs(std::make_shared<PartitionFilesystem>(file)) { @@ -26,83 +59,16 @@ NSP::NSP(VirtualFile file_) return; } + const auto files = pfs->GetFiles(); + if (IsDirectoryExeFS(pfs)) { extracted = true; - exefs = pfs; - - const auto& files = pfs->GetFiles(); - const auto romfs_iter = - std::find_if(files.begin(), files.end(), [](const FileSys::VirtualFile& file) { - return file->GetName().find(".romfs") != std::string::npos; - }); - if (romfs_iter != files.end()) - romfs = *romfs_iter; + InitializeExeFSAndRomFS(files); return; } - extracted = false; - const auto files = pfs->GetFiles(); - - Core::Crypto::KeyManager keys; - for (const auto& ticket_file : files) { - if (ticket_file->GetExtension() == "tik") { - if (ticket_file == nullptr || - ticket_file->GetSize() < - Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) { - continue; - } - - Core::Crypto::Key128 key{}; - ticket_file->Read(key.data(), key.size(), Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET); - std::string_view name_only(ticket_file->GetName()); - name_only.remove_suffix(4); - const auto rights_id_raw = Common::HexStringToArray<16>(name_only); - u128 rights_id; - std::memcpy(rights_id.data(), rights_id_raw.data(), sizeof(u128)); - keys.SetKey(Core::Crypto::S128KeyType::Titlekey, key, rights_id[1], rights_id[0]); - } - } - - for (const auto& outer_file : files) { - if (outer_file->GetName().substr(outer_file->GetName().size() - 9) == ".cnmt.nca") { - const auto nca = std::make_shared<NCA>(outer_file); - if (nca->GetStatus() != Loader::ResultStatus::Success) { - program_status[nca->GetTitleId()] = nca->GetStatus(); - continue; - } - - const auto section0 = nca->GetSubdirectories()[0]; - - for (const auto& inner_file : section0->GetFiles()) { - if (inner_file->GetExtension() != "cnmt") - continue; - - const CNMT cnmt(inner_file); - auto& ncas_title = ncas[cnmt.GetTitleID()]; - - ncas_title[ContentRecordType::Meta] = nca; - for (const auto& rec : cnmt.GetContentRecords()) { - const auto id_string = Common::HexArrayToString(rec.nca_id, false); - const auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string)); - if (next_file == nullptr) { - LOG_WARNING(Service_FS, - "NCA with ID {}.nca is listed in content metadata, but cannot " - "be found in PFS. NSP appears to be corrupted.", - id_string); - continue; - } - - auto next_nca = std::make_shared<NCA>(next_file); - if (next_nca->GetType() == NCAContentType::Program) - program_status[cnmt.GetTitleID()] = next_nca->GetStatus(); - if (next_nca->GetStatus() == Loader::ResultStatus::Success) - ncas_title[rec.type] = std::move(next_nca); - } - - break; - } - } - } + SetTicketKeys(files); + ReadNCAs(files); } NSP::~NSP() = default; @@ -242,4 +208,63 @@ VirtualDir NSP::GetParentDirectory() const { bool NSP::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) { return false; } + +void NSP::InitializeExeFSAndRomFS(const std::vector<VirtualFile>& files) { + exefs = pfs; + + const auto romfs_iter = std::find_if(files.begin(), files.end(), [](const VirtualFile& file) { + return file->GetName().rfind(".romfs") != std::string::npos; + }); + + if (romfs_iter == files.end()) { + return; + } + + romfs = *romfs_iter; +} + +void NSP::ReadNCAs(const std::vector<VirtualFile>& files) { + for (const auto& outer_file : files) { + if (outer_file->GetName().substr(outer_file->GetName().size() - 9) != ".cnmt.nca") { + continue; + } + + const auto nca = std::make_shared<NCA>(outer_file); + if (nca->GetStatus() != Loader::ResultStatus::Success) { + program_status[nca->GetTitleId()] = nca->GetStatus(); + continue; + } + + const auto section0 = nca->GetSubdirectories()[0]; + + for (const auto& inner_file : section0->GetFiles()) { + if (inner_file->GetExtension() != "cnmt") + continue; + + const CNMT cnmt(inner_file); + auto& ncas_title = ncas[cnmt.GetTitleID()]; + + ncas_title[ContentRecordType::Meta] = nca; + for (const auto& rec : cnmt.GetContentRecords()) { + const auto id_string = Common::HexArrayToString(rec.nca_id, false); + const auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string)); + if (next_file == nullptr) { + LOG_WARNING(Service_FS, + "NCA with ID {}.nca is listed in content metadata, but cannot " + "be found in PFS. NSP appears to be corrupted.", + id_string); + continue; + } + + auto next_nca = std::make_shared<NCA>(next_file); + if (next_nca->GetType() == NCAContentType::Program) + program_status[cnmt.GetTitleID()] = next_nca->GetStatus(); + if (next_nca->GetStatus() == Loader::ResultStatus::Success) + ncas_title[rec.type] = std::move(next_nca); + } + + break; + } + } +} } // namespace FileSys diff --git a/src/core/file_sys/submission_package.h b/src/core/file_sys/submission_package.h index e85a2b76e..da3dc5e9f 100644 --- a/src/core/file_sys/submission_package.h +++ b/src/core/file_sys/submission_package.h @@ -59,9 +59,12 @@ protected: bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override; private: + void InitializeExeFSAndRomFS(const std::vector<VirtualFile>& files); + void ReadNCAs(const std::vector<VirtualFile>& files); + VirtualFile file; - bool extracted; + bool extracted = false; Loader::ResultStatus status; std::map<u64, Loader::ResultStatus> program_status; |