diff options
author | Narr the Reg <juangerman-13@hotmail.com> | 2023-05-23 02:31:39 +0200 |
---|---|---|
committer | Narr the Reg <juangerman-13@hotmail.com> | 2023-05-23 02:42:09 +0200 |
commit | f63586c5f5aad1eb4d25e59d81a83e58529988ff (patch) | |
tree | c47a184bd92f70a2201421d0b0d0af415677f8e4 /src/core/hle/service/nfc/common/device.cpp | |
parent | Merge pull request #10392 from danilaml/update-cubeb-again (diff) | |
download | yuzu-f63586c5f5aad1eb4d25e59d81a83e58529988ff.tar yuzu-f63586c5f5aad1eb4d25e59d81a83e58529988ff.tar.gz yuzu-f63586c5f5aad1eb4d25e59d81a83e58529988ff.tar.bz2 yuzu-f63586c5f5aad1eb4d25e59d81a83e58529988ff.tar.lz yuzu-f63586c5f5aad1eb4d25e59d81a83e58529988ff.tar.xz yuzu-f63586c5f5aad1eb4d25e59d81a83e58529988ff.tar.zst yuzu-f63586c5f5aad1eb4d25e59d81a83e58529988ff.zip |
Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/nfc/common/device.cpp | 67 |
1 files changed, 49 insertions, 18 deletions
diff --git a/src/core/hle/service/nfc/common/device.cpp b/src/core/hle/service/nfc/common/device.cpp index 322bde2ed..e5d4545a8 100644 --- a/src/core/hle/service/nfc/common/device.cpp +++ b/src/core/hle/service/nfc/common/device.cpp @@ -119,18 +119,31 @@ bool NfcDevice::LoadNfcTag(std::span<const u8> data) { memcpy(&tag_data, data.data(), sizeof(NFP::EncryptedNTAG215File)); is_plain_amiibo = NFP::AmiiboCrypto::IsAmiiboValid(tag_data); + is_write_protected = false; + device_state = DeviceState::TagFound; + deactivate_event->GetReadableEvent().Clear(); + activate_event->Signal(); + + // Fallback for plain amiibos if (is_plain_amiibo) { - encrypted_tag_data = NFP::AmiiboCrypto::EncodedDataToNfcData(tag_data); LOG_INFO(Service_NFP, "Using plain amiibo"); - } else { - tag_data = {}; + encrypted_tag_data = NFP::AmiiboCrypto::EncodedDataToNfcData(tag_data); + return true; + } + + // Fallback for encrypted amiibos without keys + if (!NFP::AmiiboCrypto::IsKeyAvailable()) { + LOG_INFO(Service_NFC, "Loading amiibo without keys"); memcpy(&encrypted_tag_data, data.data(), sizeof(NFP::EncryptedNTAG215File)); + BuildAmiiboWithoutKeys(); + is_plain_amiibo = true; + is_write_protected = true; + return true; } - device_state = DeviceState::TagFound; - deactivate_event->GetReadableEvent().Clear(); - activate_event->Signal(); + tag_data = {}; + memcpy(&encrypted_tag_data, data.data(), sizeof(NFP::EncryptedNTAG215File)); return true; } @@ -346,23 +359,15 @@ Result NfcDevice::Mount(NFP::ModelType model_type, NFP::MountTarget mount_target return ResultWrongDeviceState; } - // The loaded amiibo is not encrypted - if (is_plain_amiibo) { - device_state = DeviceState::TagMounted; - mount_target = mount_target_; - return ResultSuccess; - } - if (!NFP::AmiiboCrypto::IsAmiiboValid(encrypted_tag_data)) { LOG_ERROR(Service_NFP, "Not an amiibo"); return ResultNotAnAmiibo; } - // Mark amiibos as read only when keys are missing - if (!NFP::AmiiboCrypto::IsKeyAvailable()) { - LOG_ERROR(Service_NFP, "No keys detected"); + // The loaded amiibo is not encrypted + if (is_plain_amiibo) { device_state = DeviceState::TagMounted; - mount_target = NFP::MountTarget::Rom; + mount_target = mount_target_; return ResultSuccess; } @@ -457,6 +462,11 @@ Result NfcDevice::FlushWithBreak(NFP::BreakType break_type) { return ResultWrongDeviceState; } + if (is_write_protected) { + LOG_ERROR(Service_NFP, "No keys available skipping write request"); + return ResultSuccess; + } + std::vector<u8> data(sizeof(NFP::EncryptedNTAG215File)); if (is_plain_amiibo) { memcpy(data.data(), &tag_data, sizeof(tag_data)); @@ -1033,7 +1043,6 @@ Result NfcDevice::GetAll(NFP::NfpData& data) const { } NFP::CommonInfo common_info{}; - Service::Mii::MiiManager manager; const u64 application_id = tag_data.application_id; GetCommonInfo(common_info); @@ -1249,6 +1258,28 @@ void NfcDevice::UpdateRegisterInfoCrc() { tag_data.register_info_crc = crc.checksum(); } +void NfcDevice::BuildAmiiboWithoutKeys() { + Service::Mii::MiiManager manager; + auto& settings = tag_data.settings; + + tag_data = NFP::AmiiboCrypto::NfcDataToEncodedData(encrypted_tag_data); + + // Common info + tag_data.write_counter = 0; + tag_data.amiibo_version = 0; + settings.write_date = GetAmiiboDate(GetCurrentPosixTime()); + + // Register info + SetAmiiboName(settings, {'y', 'u', 'z', 'u', 'A', 'm', 'i', 'i', 'b', 'o'}); + settings.settings.font_region.Assign(0); + settings.init_date = GetAmiiboDate(GetCurrentPosixTime()); + tag_data.owner_mii = manager.BuildFromStoreData(manager.BuildDefault(0)); + + // Admin info + settings.settings.amiibo_initialized.Assign(1); + settings.settings.appdata_initialized.Assign(0); +} + u64 NfcDevice::GetHandle() const { // Generate a handle based of the npad id return static_cast<u64>(npad_id); |