mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-07-04 23:31:19 +01:00
nfp: Validate amiibo files
This commit is contained in:
Narr the Reg
parent
41b65d38fa
commit
29f9a454eb
2 changed files with 145 additions and 41 deletions
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@ -108,7 +108,7 @@ void IUser::StartDetection(Kernel::HLERequestContext& ctx) {
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// TODO(german77): Loop through all interfaces
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if (device_handle == nfp_interface.GetHandle()) {
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const auto result = nfp_interface.StartDetection();
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const auto result = nfp_interface.StartDetection(nfp_protocol);
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(result);
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return;
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@ -209,7 +209,6 @@ void IUser::GetApplicationArea(Kernel::HLERequestContext& ctx) {
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if (device_handle == nfp_interface.GetHandle()) {
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std::vector<u8> data{};
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const auto result = nfp_interface.GetApplicationArea(data);
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ctx.WriteBuffer(data);
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IPC::ResponseBuilder rb{ctx, 3};
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rb.Push(result);
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@ -232,7 +231,6 @@ void IUser::SetApplicationArea(Kernel::HLERequestContext& ctx) {
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// TODO(german77): Loop through all interfaces
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if (device_handle == nfp_interface.GetHandle()) {
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const auto result = nfp_interface.SetApplicationArea(data);
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(result);
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return;
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@ -255,7 +253,6 @@ void IUser::CreateApplicationArea(Kernel::HLERequestContext& ctx) {
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// TODO(german77): Loop through all interfaces
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if (device_handle == nfp_interface.GetHandle()) {
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const auto result = nfp_interface.CreateApplicationArea(access_id, data);
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(result);
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return;
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@ -390,7 +387,7 @@ void IUser::AttachDeactivateEvent(Kernel::HLERequestContext& ctx) {
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}
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void IUser::GetState(Kernel::HLERequestContext& ctx) {
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LOG_INFO(Service_NFC, "called");
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LOG_DEBUG(Service_NFC, "called");
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IPC::ResponseBuilder rb{ctx, 3, 0};
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rb.Push(ResultSuccess);
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@ -400,7 +397,7 @@ void IUser::GetState(Kernel::HLERequestContext& ctx) {
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void IUser::GetDeviceState(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto device_handle{rp.Pop<u64>()};
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LOG_INFO(Service_NFP, "called, device_handle={}", device_handle);
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LOG_DEBUG(Service_NFP, "called, device_handle={}", device_handle);
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// TODO(german77): Loop through all interfaces
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if (device_handle == nfp_interface.GetHandle()) {
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@ -419,7 +416,7 @@ void IUser::GetDeviceState(Kernel::HLERequestContext& ctx) {
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void IUser::GetNpadId(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto device_handle{rp.Pop<u64>()};
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LOG_INFO(Service_NFP, "called, device_handle={}", device_handle);
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LOG_DEBUG(Service_NFP, "called, device_handle={}", device_handle);
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// TODO(german77): Loop through all interfaces
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if (device_handle == nfp_interface.GetHandle()) {
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@ -438,7 +435,7 @@ void IUser::GetNpadId(Kernel::HLERequestContext& ctx) {
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void IUser::GetApplicationAreaSize(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto device_handle{rp.Pop<u64>()};
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LOG_INFO(Service_NFP, "called, device_handle={}", device_handle);
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LOG_DEBUG(Service_NFP, "called, device_handle={}", device_handle);
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// TODO(german77): Loop through all interfaces
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if (device_handle == nfp_interface.GetHandle()) {
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@ -493,6 +490,11 @@ bool Module::Interface::LoadAmiibo(const std::vector<u8>& buffer) {
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LOG_INFO(Service_NFP, "New Amiibo detected");
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std::memcpy(&amiibo, buffer.data(), sizeof(amiibo));
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if (!IsAmiiboValid()) {
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return false;
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}
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device_state = DeviceState::TagFound;
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activate_event->GetWritableEvent().Signal();
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return true;
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@ -501,13 +503,54 @@ bool Module::Interface::LoadAmiibo(const std::vector<u8>& buffer) {
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void Module::Interface::CloseAmiibo() {
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LOG_INFO(Service_NFP, "Remove amiibo");
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device_state = DeviceState::TagRemoved;
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write_counter = 0;
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is_application_area_initialized = false;
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application_area_id = 0;
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application_area_data.clear();
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deactivate_event->GetWritableEvent().Signal();
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}
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bool Module::Interface::IsAmiiboValid() const {
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LOG_INFO(Service_NFP, "uuid_lock=0x{0:x}", amiibo.uuid_lock);
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LOG_INFO(Service_NFP, "compability_container=0x{0:x}", amiibo.compability_container);
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LOG_INFO(Service_NFP, "crypto_init=0x{0:x}", amiibo.crypto_init);
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LOG_INFO(Service_NFP, "write_count={}", amiibo.write_count);
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LOG_INFO(Service_NFP, "character_id=0x{0:x}", amiibo.model_info.character_id);
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LOG_INFO(Service_NFP, "character_variant={}", amiibo.model_info.character_variant);
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LOG_INFO(Service_NFP, "amiibo_type={}", amiibo.model_info.amiibo_type);
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LOG_INFO(Service_NFP, "model_number=0x{0:x}", amiibo.model_info.model_number);
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LOG_INFO(Service_NFP, "series={}", amiibo.model_info.series);
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LOG_INFO(Service_NFP, "fixed_value=0x{0:x}", amiibo.model_info.fixed);
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LOG_INFO(Service_NFP, "tag_dynamic_lock=0x{0:x}", amiibo.tag_dynamic_lock);
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LOG_INFO(Service_NFP, "tag_CFG0=0x{0:x}", amiibo.tag_CFG0);
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LOG_INFO(Service_NFP, "tag_CFG1=0x{0:x}", amiibo.tag_CFG1);
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// Check against all know constants on an amiibo binary
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if (amiibo.uuid_lock != 0xE00F) {
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return false;
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}
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if (amiibo.compability_container != 0xEEFF10F1UL) {
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return false;
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}
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if ((amiibo.crypto_init & 0xFF) != 0xA5) {
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return false;
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}
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if (amiibo.model_info.fixed != 0x02) {
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return false;
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}
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if ((amiibo.tag_dynamic_lock & 0xFFFFFF) != 0x0F0001) {
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return false;
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}
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if (amiibo.tag_CFG0 != 0x04000000UL) {
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return false;
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}
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if (amiibo.tag_CFG1 != 0x5F) {
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return false;
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}
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return true;
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}
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Kernel::KReadableEvent& Module::Interface::GetActivateEvent() const {
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return activate_event->GetReadableEvent();
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}
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@ -522,13 +565,12 @@ void Module::Interface::Initialize() {
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void Module::Interface::Finalize() {
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device_state = DeviceState::Unaviable;
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write_counter = 0;
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is_application_area_initialized = false;
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application_area_id = 0;
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application_area_data.clear();
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}
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ResultCode Module::Interface::StartDetection() {
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ResultCode Module::Interface::StartDetection(s32 protocol_) {
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auto npad_device = system.HIDCore().GetEmulatedController(npad_id);
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// TODO(german77): Add callback for when nfc data is available
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@ -536,6 +578,7 @@ ResultCode Module::Interface::StartDetection() {
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if (device_state == DeviceState::Initialized || device_state == DeviceState::TagRemoved) {
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npad_device->SetPollingMode(Common::Input::PollingMode::NFC);
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device_state = DeviceState::SearchingForTag;
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protocol = protocol_;
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return ResultSuccess;
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}
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@ -589,8 +632,8 @@ ResultCode Module::Interface::GetTagInfo(TagInfo& tag_info) const {
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tag_info = {
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.uuid = amiibo.uuid,
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.uuid_length = static_cast<u8>(amiibo.uuid.size()),
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.protocol = 0xFFFFFFFF, // TODO(ogniK): Figure out actual values
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.tag_type = 0xFFFFFFFF,
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.protocol = protocol,
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.tag_type = static_cast<u32>(amiibo.model_info.amiibo_type),
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};
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return ResultSuccess;
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}
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@ -610,7 +653,7 @@ ResultCode Module::Interface::GetCommonInfo(CommonInfo& common_info) const {
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.last_write_year = 2022,
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.last_write_month = 2,
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.last_write_day = 7,
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.write_counter = write_counter,
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.write_counter = amiibo.write_count,
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.version = 1,
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.application_area_size = ApplicationAreaSize,
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};
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@ -652,11 +695,11 @@ ResultCode Module::Interface::OpenApplicationArea(u32 access_id) {
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LOG_ERROR(Service_NFP, "Wrong device state {}", device_state);
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return ErrCodes::WrongDeviceState;
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}
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// if (AmiiboApplicationDataExist(access_id)) {
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// application_area_data = LoadAmiiboApplicationData(access_id);
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// application_area_id = access_id;
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// is_application_area_initialized = true;
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// }
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if (AmiiboApplicationDataExist(access_id)) {
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application_area_data = LoadAmiiboApplicationData(access_id);
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application_area_id = access_id;
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is_application_area_initialized = true;
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}
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if (!is_application_area_initialized) {
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LOG_ERROR(Service_NFP, "Application area is not initialized");
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return ErrCodes::ApplicationAreaIsNotInitialized;
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@ -689,8 +732,7 @@ ResultCode Module::Interface::SetApplicationArea(const std::vector<u8>& data) {
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return ErrCodes::ApplicationAreaIsNotInitialized;
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}
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application_area_data = data;
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write_counter++;
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// SaveAmiiboApplicationData(application_area_id,application_area_data);
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SaveAmiiboApplicationData(application_area_id, application_area_data);
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return ResultSuccess;
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}
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@ -699,21 +741,32 @@ ResultCode Module::Interface::CreateApplicationArea(u32 access_id, const std::ve
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LOG_ERROR(Service_NFP, "Wrong device state {}", device_state);
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return ErrCodes::WrongDeviceState;
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}
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// if (AmiiboApplicationDataExist(access_id)) {
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// LOG_ERROR(Service_NFP, "Application area already exist");
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// return ErrCodes::ApplicationAreaExist;
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// }
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// if (LoadAmiiboApplicationData(access_id,data)) {
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// is_application_area_initialized = true;
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// application_area_id = access_id;
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// }
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if (AmiiboApplicationDataExist(access_id)) {
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LOG_ERROR(Service_NFP, "Application area already exist");
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return ErrCodes::ApplicationAreaExist;
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}
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application_area_data = data;
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application_area_id = access_id;
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write_counter = 0;
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// SaveAmiiboApplicationData(application_area_id,application_area_data);
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SaveAmiiboApplicationData(application_area_id, application_area_data);
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return ResultSuccess;
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}
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bool Module::Interface::AmiiboApplicationDataExist(u32 access_id) const {
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// TODO(german77): Check if file exist
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return false;
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}
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const std::vector<u8> Module::Interface::LoadAmiiboApplicationData(u32 access_id) const {
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// TODO(german77): Read file
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std::vector<u8> data(ApplicationAreaSize);
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return data;
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}
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void Module::Interface::SaveAmiiboApplicationData(u32 access_id,
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const std::vector<u8>& data) const {
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// TODO(german77): Save file
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}
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u64 Module::Interface::GetHandle() const {
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// Generate a handle based of the npad id
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return static_cast<u64>(npad_id);
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@ -53,11 +53,43 @@ enum class MountTarget : u32 {
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All,
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};
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enum class AmiiboType : u8 {
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Figure,
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Card,
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Yarn,
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};
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enum class AmiiboSeries : u8 {
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SuperSmashBros,
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SuperMario,
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ChibiRobo,
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YoshiWoollyWorld,
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Splatoon,
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AnimalCrossing,
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EightBitMario,
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Skylanders,
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Unknown8,
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TheLegendOfZelda,
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ShovelKnight,
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Unknown11,
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Kiby,
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Pokemon,
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MarioSportsSuperstars,
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MonsterHunter,
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BoxBoy,
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Pikmin,
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FireEmblem,
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Metroid,
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Others,
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MegaMan,
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Diablo
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};
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struct TagInfo {
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std::array<u8, 10> uuid;
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u8 uuid_length;
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INSERT_PADDING_BYTES(0x15);
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u32 protocol;
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s32 protocol;
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u32 tag_type;
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INSERT_PADDING_BYTES(0x30);
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};
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@ -77,10 +109,13 @@ static_assert(sizeof(CommonInfo) == 0x40, "CommonInfo is an invalid size");
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struct ModelInfo {
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u16 character_id;
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u8 character_variant;
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u8 figure_type;
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AmiiboType amiibo_type;
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u16 model_number;
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u8 series;
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INSERT_PADDING_BYTES(0x39);
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AmiiboSeries series;
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u8 fixed; // Must be 02
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INSERT_PADDING_BYTES(0x4); // Unknown
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INSERT_PADDING_BYTES(0x20); // Probably a SHA256-(HMAC?) hash
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INSERT_PADDING_BYTES(0x14); // SHA256-HMAC
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};
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static_assert(sizeof(ModelInfo) == 0x40, "ModelInfo is an invalid size");
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@ -105,11 +140,21 @@ public:
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struct AmiiboFile {
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std::array<u8, 10> uuid;
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INSERT_PADDING_BYTES(0x4); // Compability container
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INSERT_PADDING_BYTES(0x46);
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ModelInfo model_info;
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u16 uuid_lock; // Must be 0F E0
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u32 compability_container; // Must be F1 10 FF EE
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u16 crypto_init; // Must be A5 XX
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u16 write_count; // Number of times the amiibo has been written?
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INSERT_PADDING_BYTES(0x20); // System crypts
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INSERT_PADDING_BYTES(0x20); // SHA256-(HMAC?) hash
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ModelInfo model_info; // This struct is bigger than documentation
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INSERT_PADDING_BYTES(0xC); // SHA256-HMAC
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INSERT_PADDING_BYTES(0x114); // section 1 encrypted buffer
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INSERT_PADDING_BYTES(0x54); // section 2 encrypted buffer
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u32 tag_dynamic_lock; // Must be 01 00 0F XX
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u32 tag_CFG0; // Must be 00 00 00 04
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u32 tag_CFG1; // Must be 50 00 00 00
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};
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static_assert(sizeof(AmiiboFile) == 0x94, "AmiiboFile is an invalid size");
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static_assert(sizeof(AmiiboFile) == 0x214, "AmiiboFile is an invalid size");
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void CreateUserInterface(Kernel::HLERequestContext& ctx);
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bool LoadAmiibo(const std::vector<u8>& buffer);
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@ -118,7 +163,7 @@ public:
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void Initialize();
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void Finalize();
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ResultCode StartDetection();
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ResultCode StartDetection(s32 protocol_);
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ResultCode StopDetection();
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ResultCode Mount();
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ResultCode Unmount();
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@ -144,6 +189,12 @@ public:
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std::shared_ptr<Module> module;
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private:
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/// Validates that the amiibo file is not corrupted
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bool IsAmiiboValid() const;
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bool AmiiboApplicationDataExist(u32 access_id) const;
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const std::vector<u8> LoadAmiiboApplicationData(u32 access_id) const;
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void SaveAmiiboApplicationData(u32 access_id, const std::vector<u8>& data) const;
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const Core::HID::NpadIdType npad_id;
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DeviceState device_state{DeviceState::Unaviable};
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@ -151,7 +202,7 @@ public:
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Kernel::KEvent* activate_event;
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Kernel::KEvent* deactivate_event;
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AmiiboFile amiibo{};
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u16 write_counter{};
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s32 protocol;
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bool is_application_area_initialized{};
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u32 application_area_id;
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std::vector<u8> application_area_data;
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