diff options
| -rw-r--r-- | src/core/hle/service/nfp/nfp.cpp | 22 | ||||
| -rw-r--r-- | src/core/hle/service/nfp/nfp.h | 11 |
2 files changed, 24 insertions, 9 deletions
diff --git a/src/core/hle/service/nfp/nfp.cpp b/src/core/hle/service/nfp/nfp.cpp index 63e257975..513107715 100644 --- a/src/core/hle/service/nfp/nfp.cpp +++ b/src/core/hle/service/nfp/nfp.cpp @@ -479,25 +479,35 @@ void Module::Interface::CreateUserInterface(Kernel::HLERequestContext& ctx) { } bool Module::Interface::LoadAmiibo(const std::vector<u8>& buffer) { - if (buffer.size() < sizeof(NTAG215File)) { - LOG_ERROR(Service_NFP, "Wrong file size"); + if (device_state != DeviceState::SearchingForTag) { + LOG_ERROR(Service_NFP, "Game is not looking for amiibos, current state {}", device_state); return false; } - if (device_state != DeviceState::SearchingForTag) { - LOG_ERROR(Service_NFP, "Game is not looking for amiibos, current state {}", device_state); + constexpr auto tag_size = sizeof(NTAG215File); + constexpr auto tag_size_without_password = sizeof(NTAG215File) - sizeof(NTAG215Password); + + std::vector<u8> amiibo_buffer = buffer; + + if (amiibo_buffer.size() < tag_size_without_password) { + LOG_ERROR(Service_NFP, "Wrong file size {}", buffer.size()); return false; } + // Ensure it has the correct size + if (amiibo_buffer.size() != tag_size) { + amiibo_buffer.resize(tag_size, 0); + } + LOG_INFO(Service_NFP, "Amiibo detected"); - std::memcpy(&tag_data, buffer.data(), sizeof(tag_data)); + std::memcpy(&tag_data, buffer.data(), tag_size); if (!IsAmiiboValid()) { return false; } // This value can't be dumped from a tag. Generate it - tag_data.PWD = GetTagPassword(tag_data.uuid); + tag_data.password.PWD = GetTagPassword(tag_data.uuid); device_state = DeviceState::TagFound; activate_event->GetWritableEvent().Signal(); diff --git a/src/core/hle/service/nfp/nfp.h b/src/core/hle/service/nfp/nfp.h index bc3b1967f..022f13b29 100644 --- a/src/core/hle/service/nfp/nfp.h +++ b/src/core/hle/service/nfp/nfp.h @@ -153,6 +153,13 @@ public: }; static_assert(sizeof(EncryptedAmiiboFile) == 0x1F8, "AmiiboFile is an invalid size"); + struct NTAG215Password { + u32 PWD; // Password to allow write access + u16 PACK; // Password acknowledge reply + u16 RFUI; // Reserved for future use + }; + static_assert(sizeof(NTAG215Password) == 0x8, "NTAG215Password is an invalid size"); + struct NTAG215File { TagUuid uuid; // Unique serial number u16 lock_bytes; // Set defined pages as read only @@ -161,9 +168,7 @@ public: u32 dynamic_lock; // Dynamic lock u32 CFG0; // Defines memory protected by password u32 CFG1; // Defines number of verification attempts - u32 PWD; // Password to allow write access - u16 PACK; // Password acknowledge reply - u16 RFUI; // Reserved for future use + NTAG215Password password; // Password data }; static_assert(sizeof(NTAG215File) == 0x21C, "NTAG215File is an invalid size"); |