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service/cecd: Add MBox directory check to OpenAndRead and OpenAndWrite and added a CreateAndPopulateMBoxDirectory function

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This commit is contained in:
NarcolepticK 2018-08-14 03:41:14 -04:00
parent 30bbea3f4e
commit d99585aa53
2 changed files with 171 additions and 15 deletions
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176
src/core/hle/service/cecd/cecd.cpp
View File

@ -400,6 +400,18 @@ void Module::Interface::OpenAndWrite(Kernel::HLERequestContext& ctx) {
rb.Push(RESULT_SUCCESS);
} else {
LOG_ERROR(Service_CECD, "Failed to open file: {}", path.AsString());
/// We need to check if the MBox /CEC/<id> directory even exists...
/// If it doesn't, we create and populate it.
const FileSys::Path mbox_path(
cecd->GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_MBOX_DIR,
ncch_program_id)
.data());
auto mbox_result = Service::FS::OpenDirectoryFromArchive(
cecd->cecd_system_save_data_archive, mbox_path);
if (mbox_result.Failed())
cecd->CreateAndPopulateMBoxDirectory(ncch_program_id);
rb.Push(ResultCode(ErrorDescription::NoData, ErrorModule::CEC, ErrorSummary::NotFound,
ErrorLevel::Status));
}
@ -453,22 +465,19 @@ void Module::Interface::OpenAndRead(Kernel::HLERequestContext& ctx) {
} else {
LOG_ERROR(Service_CECD, "Failed to open file: {}", path.AsString());
if (path_type == CecDataPathType::CEC_PATH_MBOX_INFO) {
const FileSys::Path root_dir_path(
cecd->GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_ROOT_DIR,
ncch_program_id)
.data());
/// We need to check if the MBox /CEC/<id> directory even exists...
/// If it doesn't, we create and populate it.
const FileSys::Path mbox_path(
cecd->GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_MBOX_DIR,
ncch_program_id)
.data());
auto mbox_result = Service::FS::OpenDirectoryFromArchive(
cecd->cecd_system_save_data_archive, mbox_path);
if (mbox_result.Failed())
cecd->CreateAndPopulateMBoxDirectory(ncch_program_id);
/// Just in case the root dir /CEC doesn't exist, we try to create it first
Service::FS::CreateDirectoryFromArchive(cecd->cecd_system_save_data_archive,
root_dir_path);
Service::FS::CreateDirectoryFromArchive(cecd->cecd_system_save_data_archive,
mbox_path);
}
/// Since the directories/files didn't exist before, we still push a failure
/// A second attempt will then be called, and now everything exists.
rb.Push(ResultCode(ErrorDescription::NoData, ErrorModule::CEC, ErrorSummary::NotFound,
ErrorLevel::Status));
rb.Push<u32>(0); /// No bytes read
@ -544,6 +553,151 @@ std::string Module::GetCecDataPathTypeAsString(const CecDataPathType type, const
}
}
void Module::CreateAndPopulateMBoxDirectory(const u32 ncch_program_id) {
const FileSys::Path root_dir_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_ROOT_DIR, ncch_program_id).data());
const FileSys::Path mbox_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_MBOX_DIR, ncch_program_id).data());
const FileSys::Path inbox_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_INBOX_DIR, ncch_program_id).data());
const FileSys::Path outbox_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_OUTBOX_DIR, ncch_program_id).data());
/// Just in case the root dir /CEC doesn't exist, we try to create it first
Service::FS::CreateDirectoryFromArchive(cecd_system_save_data_archive, root_dir_path);
Service::FS::CreateDirectoryFromArchive(cecd_system_save_data_archive, mbox_path);
Service::FS::CreateDirectoryFromArchive(cecd_system_save_data_archive, inbox_path);
Service::FS::CreateDirectoryFromArchive(cecd_system_save_data_archive, outbox_path);
/// Now that the directories have been created, we can create the required files
FileSys::Mode mode;
mode.write_flag.Assign(1);
mode.create_flag.Assign(1);
/// MBoxInfo____ resides in the MBox /CEC/<id> directory,
/// The Magic number is 0x6363 'cc', and has size 0x60
FileSys::Path mbox_info_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_MBOX_INFO, ncch_program_id).data());
auto mbox_info_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, mbox_info_path, mode);
constexpr u32 mbox_info_size = 0x60;
auto mbox_info = mbox_info_result.Unwrap();
std::vector<u8> mbox_info_buffer(mbox_info_size);
std::memset(&mbox_info_buffer[0], 0, mbox_info_size);
mbox_info_buffer[0] = 0x63;
mbox_info_buffer[1] = 0x63;
mbox_info->backend->Write(0, mbox_info_size, true, mbox_info_buffer.data());
mbox_info->backend->Close();
/// BoxInfo_____ resides in both the InBox and OutBox directories,
/// The Magic number is 0x6262 'bb', and has size 0x20
FileSys::Path inbox_info_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_INBOX_INFO, ncch_program_id).data());
auto inbox_info_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, inbox_info_path, mode);
constexpr u32 inbox_info_size = 0x20;
auto inbox_info = inbox_info_result.Unwrap();
std::vector<u8> inbox_info_buffer(inbox_info_size);
std::memset(&inbox_info_buffer[0], 0, inbox_info_size);
inbox_info_buffer[0] = 0x62;
inbox_info_buffer[1] = 0x62;
inbox_info->backend->Write(0, inbox_info_size, true, inbox_info_buffer.data());
inbox_info->backend->Close();
/// BoxInfo_____ resides in both the InBox and OutBox directories,
/// The Magic number is 0x6262 'bb', and has size 0x20-byte header, and an array of 0x70-byte
/// entries. Each entry is a copy of the message header.
FileSys::Path outbox_info_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_OUTBOX_INFO, ncch_program_id).data());
auto outbox_info_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, outbox_info_path, mode);
constexpr u32 outbox_info_size = 0x20;
auto outbox_info = outbox_info_result.Unwrap();
std::vector<u8> outbox_info_buffer(outbox_info_size);
std::memset(&outbox_info_buffer[0], 0, outbox_info_size);
outbox_info_buffer[0] = 0x62;
outbox_info_buffer[1] = 0x62;
outbox_info->backend->Write(0, outbox_info_size, true, outbox_info_buffer.data());
outbox_info->backend->Close();
/// OBIndex_____ resides in the OutBox directory,
/// Unknown...
FileSys::Path outbox_index_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_OUTBOX_INDEX, ncch_program_id).data());
auto outbox_index_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, outbox_index_path, mode);
constexpr u32 outbox_index_size = 0x32;
auto outbox_index = outbox_index_result.Unwrap();
std::vector<u8> outbox_index_buffer(outbox_index_size);
std::memset(&outbox_index_buffer[0], 0, outbox_index_size);
outbox_index->backend->Write(0, outbox_index_size, true, outbox_index_buffer.data());
outbox_index->backend->Close();
/// MBoxData.001 resides in the MBox /CEC/<id> directory and contains the icon of the app
FileSys::Path mbox_icon_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_MBOX_ICON, ncch_program_id).data());
auto mbox_icon_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, mbox_icon_path, mode);
constexpr u32 mbox_icon_size = 0x1200;
auto mbox_icon = mbox_icon_result.Unwrap();
std::vector<u8> mbox_icon_buffer(mbox_icon_size);
std::memset(&mbox_icon_buffer[0], 0, mbox_icon_size);
mbox_icon->backend->Write(0, mbox_icon_size, true, mbox_icon_buffer.data());
mbox_icon->backend->Close();
/// MBoxData.010 resides in the MBox /CEC/<id> directory and contains the title of the app
/// in null-terminated UTF-16 string.
FileSys::Path mbox_title_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_MBOX_TITLE, ncch_program_id).data());
auto mbox_title_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, mbox_title_path, mode);
constexpr u32 mbox_title_size = 0x32;
auto mbox_title = mbox_title_result.Unwrap();
std::vector<u8> mbox_title_buffer(mbox_title_size);
std::memset(&mbox_title_buffer[0], 0, mbox_title_size);
mbox_title->backend->Write(0, mbox_title_size, true, mbox_title_buffer.data());
mbox_title->backend->Close();
/// MBoxData.050 resides in the MBox /CEC/<id> directory and contains the program id of the app
FileSys::Path mbox_program_id_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_MBOX_PROGRAM_ID, ncch_program_id).data());
auto mbox_program_id_result =
Service::FS::OpenFileFromArchive(cecd_system_save_data_archive, mbox_program_id_path, mode);
auto mbox_program_id = mbox_program_id_result.Unwrap();
std::vector<u8> program_id_buffer(8);
u64_le le_program_id = Kernel::g_current_process->codeset->program_id;
std::memcpy(program_id_buffer.data(), &le_program_id, sizeof(u64));
mbox_program_id->backend->Write(0, sizeof(u64), true, program_id_buffer.data());
mbox_program_id->backend->Close();
}
Module::SessionData::SessionData() {}
Module::SessionData::~SessionData() {

2
src/core/hle/service/cecd/cecd.h
View File

@ -534,6 +534,8 @@ private:
std::string GetCecDataPathTypeAsString(const CecDataPathType type, const u32 program_id,
const std::vector<u8>& msg_id = std::vector<u8>()) const;
void CreateAndPopulateMBoxDirectory(const u32 ncch_program_id);
Service::FS::ArchiveHandle cecd_system_save_data_archive;
Kernel::SharedPtr<Kernel::Event> cecinfo_event;