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https://git.tardis.systems/mirrors/yuzu
synced 2025-11-03 20:24:43 +01:00
service: nfp: Improve implementation
This commit is contained in:
Narr the Reg
parent
4562f7af9a
commit
8d5cde6eff
@ -119,7 +119,7 @@ void Cabinet::DisplayCompleted(bool apply_changes, std::string_view amiibo_name)
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case Service::NFP::CabinetMode::StartNicknameAndOwnerSettings: {
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Service::NFP::AmiiboName name{};
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std::memcpy(name.data(), amiibo_name.data(), std::min(amiibo_name.size(), name.size() - 1));
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nfp_device->SetNicknameAndOwner(name);
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nfp_device->SetRegisterInfoPrivate(name);
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break;
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}
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case Service::NFP::CabinetMode::StartGameDataEraser:
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@ -129,7 +129,7 @@ void Cabinet::DisplayCompleted(bool apply_changes, std::string_view amiibo_name)
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nfp_device->RestoreAmiibo();
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break;
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case Service::NFP::CabinetMode::StartFormatter:
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nfp_device->DeleteAllData();
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nfp_device->Format();
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break;
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default:
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UNIMPLEMENTED_MSG("Unknown CabinetMode={}", applet_input_common.applet_mode);
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@ -80,13 +80,16 @@ NTAG215File NfcDataToEncodedData(const EncryptedNTAG215File& nfc_data) {
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encoded_data.hmac_data = nfc_data.user_memory.hmac_data;
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encoded_data.constant_value = nfc_data.user_memory.constant_value;
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encoded_data.write_counter = nfc_data.user_memory.write_counter;
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encoded_data.amiibo_version = nfc_data.user_memory.amiibo_version;
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encoded_data.settings = nfc_data.user_memory.settings;
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encoded_data.owner_mii = nfc_data.user_memory.owner_mii;
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encoded_data.title_id = nfc_data.user_memory.title_id;
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encoded_data.applicaton_write_counter = nfc_data.user_memory.applicaton_write_counter;
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encoded_data.application_id = nfc_data.user_memory.application_id;
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encoded_data.application_write_counter = nfc_data.user_memory.application_write_counter;
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encoded_data.application_area_id = nfc_data.user_memory.application_area_id;
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encoded_data.application_id_byte = nfc_data.user_memory.application_id_byte;
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encoded_data.unknown = nfc_data.user_memory.unknown;
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encoded_data.unknown2 = nfc_data.user_memory.unknown2;
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encoded_data.application_area_crc = nfc_data.user_memory.application_area_crc;
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encoded_data.application_area = nfc_data.user_memory.application_area;
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encoded_data.hmac_tag = nfc_data.user_memory.hmac_tag;
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encoded_data.lock_bytes = nfc_data.uuid.lock_bytes;
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@ -111,13 +114,16 @@ EncryptedNTAG215File EncodedDataToNfcData(const NTAG215File& encoded_data) {
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nfc_data.user_memory.hmac_data = encoded_data.hmac_data;
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nfc_data.user_memory.constant_value = encoded_data.constant_value;
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nfc_data.user_memory.write_counter = encoded_data.write_counter;
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nfc_data.user_memory.amiibo_version = encoded_data.amiibo_version;
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nfc_data.user_memory.settings = encoded_data.settings;
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nfc_data.user_memory.owner_mii = encoded_data.owner_mii;
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nfc_data.user_memory.title_id = encoded_data.title_id;
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nfc_data.user_memory.applicaton_write_counter = encoded_data.applicaton_write_counter;
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nfc_data.user_memory.application_id = encoded_data.application_id;
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nfc_data.user_memory.application_write_counter = encoded_data.application_write_counter;
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nfc_data.user_memory.application_area_id = encoded_data.application_area_id;
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nfc_data.user_memory.application_id_byte = encoded_data.application_id_byte;
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nfc_data.user_memory.unknown = encoded_data.unknown;
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nfc_data.user_memory.unknown2 = encoded_data.unknown2;
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nfc_data.user_memory.application_area_crc = encoded_data.application_area_crc;
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nfc_data.user_memory.application_area = encoded_data.application_area;
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nfc_data.user_memory.hmac_tag = encoded_data.hmac_tag;
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nfc_data.user_memory.model_info = encoded_data.model_info;
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@ -174,8 +174,8 @@ Result NfpDevice::StopDetection() {
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if (device_state == DeviceState::TagFound || device_state == DeviceState::TagMounted) {
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CloseAmiibo();
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return ResultSuccess;
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}
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if (device_state == DeviceState::SearchingForTag || device_state == DeviceState::TagRemoved) {
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device_state = DeviceState::Initialized;
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return ResultSuccess;
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@ -204,9 +204,7 @@ Result NfpDevice::Flush() {
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const auto& current_date = GetAmiiboDate(current_posix_time);
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if (settings.write_date.raw_date != current_date.raw_date) {
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settings.write_date = current_date;
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settings.crc_counter++;
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// TODO: Find how to calculate the crc check
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// settings.crc = CalculateCRC(settings);
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UpdateSettingsCrc();
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}
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tag_data.write_counter++;
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@ -318,7 +316,7 @@ Result NfpDevice::GetCommonInfo(CommonInfo& common_info) const {
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common_info = {
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.last_write_date = settings.write_date.GetWriteDate(),
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.write_counter = tag_data.write_counter,
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.version = 0,
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.version = tag_data.amiibo_version,
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.application_area_size = sizeof(ApplicationArea),
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};
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return ResultSuccess;
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@ -370,13 +368,95 @@ Result NfpDevice::GetRegisterInfo(RegisterInfo& register_info) const {
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.mii_char_info = manager.ConvertV3ToCharInfo(tag_data.owner_mii),
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.creation_date = settings.init_date.GetWriteDate(),
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.amiibo_name = GetAmiiboName(settings),
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.font_region = {},
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.font_region = settings.settings.font_region,
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};
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return ResultSuccess;
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}
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Result NfpDevice::SetNicknameAndOwner(const AmiiboName& amiibo_name) {
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Result NfpDevice::GetAdminInfo(AdminInfo& admin_info) const {
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if (device_state != DeviceState::TagMounted) {
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LOG_ERROR(Service_NFC, "Wrong device state {}", device_state);
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if (device_state == DeviceState::TagRemoved) {
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return TagRemoved;
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}
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return WrongDeviceState;
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}
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if (mount_target == MountTarget::None || mount_target == MountTarget::Rom) {
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LOG_ERROR(Service_NFC, "Amiibo is read only", device_state);
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return WrongDeviceState;
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}
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u8 flags = static_cast<u8>(tag_data.settings.settings.raw >> 0x4);
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if (tag_data.settings.settings.amiibo_initialized == 0) {
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flags = flags & 0xfe;
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}
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u64 application_id = 0;
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u32 application_area_id = 0;
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AppAreaVersion app_area_version = AppAreaVersion::NotSet;
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if (tag_data.settings.settings.appdata_initialized != 0) {
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application_id = tag_data.application_id;
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app_area_version =
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static_cast<AppAreaVersion>(application_id >> application_id_version_offset & 0xf);
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// Restore application id to original value
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if (application_id >> 0x38 != 0) {
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const u8 application_byte = tag_data.application_id_byte & 0xf;
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application_id = RemoveVersionByte(application_id) |
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(static_cast<u64>(application_byte) << application_id_version_offset);
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}
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application_area_id = tag_data.application_area_id;
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}
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// TODO: Validate this data
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admin_info = {
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.application_id = application_id,
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.application_area_id = application_area_id,
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.crc_change_counter = tag_data.settings.crc_counter,
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.flags = flags,
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.tag_type = PackedTagType::Type2,
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.app_area_version = app_area_version,
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};
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return ResultSuccess;
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}
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Result NfpDevice::DeleteRegisterInfo() {
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if (device_state != DeviceState::TagMounted) {
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LOG_ERROR(Service_NFC, "Wrong device state {}", device_state);
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if (device_state == DeviceState::TagRemoved) {
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return TagRemoved;
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}
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return WrongDeviceState;
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}
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if (mount_target == MountTarget::None || mount_target == MountTarget::Rom) {
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LOG_ERROR(Service_NFC, "Amiibo is read only", device_state);
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return WrongDeviceState;
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}
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if (tag_data.settings.settings.amiibo_initialized == 0) {
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return RegistrationIsNotInitialized;
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}
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Common::TinyMT rng{};
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rng.GenerateRandomBytes(&tag_data.owner_mii, sizeof(tag_data.owner_mii));
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rng.GenerateRandomBytes(&tag_data.settings.amiibo_name, sizeof(tag_data.settings.amiibo_name));
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rng.GenerateRandomBytes(&tag_data.unknown, sizeof(u8));
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rng.GenerateRandomBytes(&tag_data.unknown2[0], sizeof(u32));
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rng.GenerateRandomBytes(&tag_data.unknown2[1], sizeof(u32));
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rng.GenerateRandomBytes(&tag_data.application_area_crc, sizeof(u32));
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rng.GenerateRandomBytes(&tag_data.settings.init_date, sizeof(u32));
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tag_data.settings.settings.font_region.Assign(0);
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tag_data.settings.settings.amiibo_initialized.Assign(0);
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return Flush();
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}
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Result NfpDevice::SetRegisterInfoPrivate(const AmiiboName& amiibo_name) {
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if (device_state != DeviceState::TagMounted) {
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LOG_ERROR(Service_NFP, "Wrong device state {}", device_state);
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if (device_state == DeviceState::TagRemoved) {
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@ -393,16 +473,23 @@ Result NfpDevice::SetNicknameAndOwner(const AmiiboName& amiibo_name) {
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Service::Mii::MiiManager manager;
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auto& settings = tag_data.settings;
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if (tag_data.settings.settings.amiibo_initialized == 0) {
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settings.init_date = GetAmiiboDate(current_posix_time);
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settings.write_date = GetAmiiboDate(current_posix_time);
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settings.crc_counter++;
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// TODO: Find how to calculate the crc check
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// settings.crc = CalculateCRC(settings);
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settings.write_date.raw_date = 0;
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}
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SetAmiiboName(settings, amiibo_name);
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tag_data.owner_mii = manager.ConvertCharInfoToV3(manager.BuildDefault(0));
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tag_data.unknown = 0;
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tag_data.unknown2[6] = 0;
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settings.country_code_id = 0;
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settings.settings.font_region.Assign(0);
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settings.settings.amiibo_initialized.Assign(1);
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// TODO: this is a mix of tag.file input
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std::array<u8, 0x7e> unknown_input{};
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tag_data.application_area_crc = CalculateCrc(unknown_input);
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return Flush();
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}
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@ -425,23 +512,17 @@ Result NfpDevice::RestoreAmiibo() {
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return ResultSuccess;
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}
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Result NfpDevice::DeleteAllData() {
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const auto result = DeleteApplicationArea();
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if (result.IsError()) {
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return result;
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Result NfpDevice::Format() {
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auto result1 = DeleteApplicationArea();
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auto result2 = DeleteRegisterInfo();
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if (result1.IsError()) {
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return result1;
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}
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if (device_state != DeviceState::TagMounted) {
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LOG_ERROR(Service_NFP, "Wrong device state {}", device_state);
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if (device_state == DeviceState::TagRemoved) {
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return TagRemoved;
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if (result2.IsError()) {
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return result2;
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}
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return WrongDeviceState;
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}
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Common::TinyMT rng{};
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rng.GenerateRandomBytes(&tag_data.owner_mii, sizeof(tag_data.owner_mii));
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tag_data.settings.settings.amiibo_initialized.Assign(0);
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return Flush();
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}
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@ -569,7 +650,10 @@ Result NfpDevice::SetApplicationArea(std::span<const u8> data) {
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rng.GenerateRandomBytes(tag_data.application_area.data() + data.size(),
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sizeof(ApplicationArea) - data.size());
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tag_data.applicaton_write_counter++;
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if (tag_data.application_write_counter != counter_limit) {
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tag_data.application_write_counter++;
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}
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is_data_moddified = true;
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return ResultSuccess;
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@ -617,14 +701,25 @@ Result NfpDevice::RecreateApplicationArea(u32 access_id, std::span<const u8> dat
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rng.GenerateRandomBytes(tag_data.application_area.data() + data.size(),
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sizeof(ApplicationArea) - data.size());
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// TODO: Investigate why the title id needs to be moddified
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tag_data.title_id = system.GetApplicationProcessProgramID();
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tag_data.title_id = tag_data.title_id | 0x30000000ULL;
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if (tag_data.application_write_counter != counter_limit) {
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tag_data.application_write_counter++;
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}
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const u64 application_id = system.GetApplicationProcessProgramID();
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tag_data.application_id_byte =
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static_cast<u8>(application_id >> application_id_version_offset & 0xf);
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tag_data.application_id =
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RemoveVersionByte(application_id) |
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(static_cast<u64>(AppAreaVersion::NintendoSwitch) << application_id_version_offset);
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tag_data.settings.settings.appdata_initialized.Assign(1);
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tag_data.application_area_id = access_id;
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tag_data.applicaton_write_counter++;
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tag_data.unknown = {};
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// TODO: this is a mix of tag_data input
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std::array<u8, 0x7e> unknown_input{};
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tag_data.application_area_crc = CalculateCrc(unknown_input);
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return Flush();
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}
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@ -642,12 +737,20 @@ Result NfpDevice::DeleteApplicationArea() {
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return WrongDeviceState;
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}
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if (tag_data.settings.settings.appdata_initialized == 0) {
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return ApplicationAreaIsNotInitialized;
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}
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if (tag_data.application_write_counter != counter_limit) {
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tag_data.application_write_counter++;
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}
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Common::TinyMT rng{};
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rng.GenerateRandomBytes(tag_data.application_area.data(), sizeof(ApplicationArea));
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rng.GenerateRandomBytes(&tag_data.title_id, sizeof(u64));
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rng.GenerateRandomBytes(&tag_data.application_id, sizeof(u64));
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rng.GenerateRandomBytes(&tag_data.application_area_id, sizeof(u32));
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rng.GenerateRandomBytes(&tag_data.application_id_byte, sizeof(u8));
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tag_data.settings.settings.appdata_initialized.Assign(0);
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tag_data.applicaton_write_counter++;
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tag_data.unknown = {};
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return Flush();
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@ -719,4 +822,45 @@ AmiiboDate NfpDevice::GetAmiiboDate(s64 posix_time) const {
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return amiibo_date;
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}
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u64 NfpDevice::RemoveVersionByte(u64 application_id) const {
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return application_id & ~(0xfULL << application_id_version_offset);
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}
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void NfpDevice::UpdateSettingsCrc() {
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auto& settings = tag_data.settings;
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if (settings.crc_counter != counter_limit) {
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settings.crc_counter++;
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}
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// TODO: this reads data from a global, find what it is
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std::array<u8, 8> unknown_input{};
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settings.crc = CalculateCrc(unknown_input);
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}
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u32 NfpDevice::CalculateCrc(std::span<const u8> data) {
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constexpr u32 magic = 0xedb88320;
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u32 crc = 0xffffffff;
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if (data.size() == 0) {
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return 0;
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}
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for (u8 input : data) {
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u32 temp = (crc ^ input) >> 1;
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if (((crc ^ input) & 1) != 0) {
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temp = temp ^ magic;
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}
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for (std::size_t step = 0; step < 7; ++step) {
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crc = temp >> 1;
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if ((temp & 1) != 0) {
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crc = temp >> 1 ^ magic;
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}
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}
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}
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return ~crc;
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}
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} // namespace Service::NFP
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@ -47,10 +47,12 @@ public:
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Result GetCommonInfo(CommonInfo& common_info) const;
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Result GetModelInfo(ModelInfo& model_info) const;
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Result GetRegisterInfo(RegisterInfo& register_info) const;
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Result GetAdminInfo(AdminInfo& admin_info) const;
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Result SetNicknameAndOwner(const AmiiboName& amiibo_name);
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Result DeleteRegisterInfo();
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Result SetRegisterInfoPrivate(const AmiiboName& amiibo_name);
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Result RestoreAmiibo();
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Result DeleteAllData();
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Result Format();
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Result OpenApplicationArea(u32 access_id);
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Result GetApplicationAreaId(u32& application_area_id) const;
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@ -76,6 +78,9 @@ private:
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AmiiboName GetAmiiboName(const AmiiboSettings& settings) const;
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void SetAmiiboName(AmiiboSettings& settings, const AmiiboName& amiibo_name);
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AmiiboDate GetAmiiboDate(s64 posix_time) const;
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u64 RemoveVersionByte(u64 application_id) const;
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void UpdateSettingsCrc();
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u32 CalculateCrc(std::span<const u8>);
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bool is_controller_set{};
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int callback_key;
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@ -10,6 +10,8 @@
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namespace Service::NFP {
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static constexpr std::size_t amiibo_name_length = 0xA;
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static constexpr std::size_t application_id_version_offset = 0x1c;
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static constexpr std::size_t counter_limit = 0xffff;
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enum class ServiceType : u32 {
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User,
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@ -99,6 +101,14 @@ enum class TagProtocol : u32 {
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All = 0xFFFFFFFFU,
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};
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enum class AppAreaVersion : u8 {
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Nintendo3DS = 0,
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NintendoWiiU = 1,
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Nintendo3DSv2 = 2,
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NintendoSwitch = 3,
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NotSet = 0xFF,
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};
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enum class CabinetMode : u8 {
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StartNicknameAndOwnerSettings,
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StartGameDataEraser,
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@ -197,6 +207,7 @@ struct Settings {
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union {
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u8 raw{};
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BitField<0, 4, u8> font_region;
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BitField<4, 1, u8> amiibo_initialized;
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BitField<5, 1, u8> appdata_initialized;
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||||
};
|
||||
@ -236,18 +247,20 @@ static_assert(sizeof(NTAG215Password) == 0x8, "NTAG215Password is an invalid siz
|
||||
struct EncryptedAmiiboFile {
|
||||
u8 constant_value; // Must be A5
|
||||
u16_be write_counter; // Number of times the amiibo has been written?
|
||||
INSERT_PADDING_BYTES(0x1); // Unknown 1
|
||||
u8 amiibo_version; // Amiibo file version
|
||||
AmiiboSettings settings; // Encrypted amiibo settings
|
||||
HashData hmac_tag; // Hash
|
||||
AmiiboModelInfo model_info; // Encrypted amiibo model info
|
||||
HashData keygen_salt; // Salt
|
||||
HashData hmac_data; // Hash
|
||||
Service::Mii::Ver3StoreData owner_mii; // Encrypted Mii data
|
||||
u64_be title_id; // Encrypted Game id
|
||||
u16_be applicaton_write_counter; // Encrypted Counter
|
||||
u64_be application_id; // Encrypted Game id
|
||||
u16_be application_write_counter; // Encrypted Counter
|
||||
u32_be application_area_id; // Encrypted Game id
|
||||
std::array<u8, 0x2> unknown;
|
||||
std::array<u32, 0x8> unknown2;
|
||||
u8 application_id_byte;
|
||||
u8 unknown;
|
||||
std::array<u32, 0x7> unknown2;
|
||||
u32_be application_area_crc;
|
||||
ApplicationArea application_area; // Encrypted Game data
|
||||
};
|
||||
static_assert(sizeof(EncryptedAmiiboFile) == 0x1F8, "AmiiboFile is an invalid size");
|
||||
@ -259,14 +272,16 @@ struct NTAG215File {
|
||||
HashData hmac_data; // Hash
|
||||
u8 constant_value; // Must be A5
|
||||
u16_be write_counter; // Number of times the amiibo has been written?
|
||||
INSERT_PADDING_BYTES(0x1); // Unknown 1
|
||||
u8 amiibo_version; // Amiibo file version
|
||||
AmiiboSettings settings;
|
||||
Service::Mii::Ver3StoreData owner_mii; // Encrypted Mii data
|
||||
u64_be title_id;
|
||||
u16_be applicaton_write_counter; // Encrypted Counter
|
||||
Service::Mii::Ver3StoreData owner_mii; // Mii data
|
||||
u64_be application_id; // Game id
|
||||
u16_be application_write_counter; // Counter
|
||||
u32_be application_area_id;
|
||||
std::array<u8, 0x2> unknown;
|
||||
std::array<u32, 0x8> unknown2;
|
||||
u8 application_id_byte;
|
||||
u8 unknown;
|
||||
std::array<u32, 0x7> unknown2;
|
||||
u32_be application_area_crc;
|
||||
ApplicationArea application_area; // Encrypted Game data
|
||||
HashData hmac_tag; // Hash
|
||||
UniqueSerialNumber uid; // Unique serial number
|
||||
@ -336,6 +351,18 @@ struct RegisterInfo {
|
||||
};
|
||||
static_assert(sizeof(RegisterInfo) == 0x100, "RegisterInfo is an invalid size");
|
||||
|
||||
struct AdminInfo {
|
||||
u64 application_id;
|
||||
u32 application_area_id;
|
||||
u16 crc_change_counter;
|
||||
u8 flags;
|
||||
PackedTagType tag_type;
|
||||
AppAreaVersion app_area_version;
|
||||
INSERT_PADDING_BYTES(0x7);
|
||||
INSERT_PADDING_BYTES(0x28);
|
||||
};
|
||||
static_assert(sizeof(AdminInfo) == 0x40, "AdminInfo is an invalid size");
|
||||
|
||||
struct SectorKey {
|
||||
MifareCmd command;
|
||||
u8 unknown; // Usually 1
|
||||
|
||||
Loading…
Reference in New Issue
Block a user