summaryrefslogtreecommitdiffstats
path: root/src/core/hle/service/nfp
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/core/hle/service/nfp/amiibo_crypto.cpp10
-rw-r--r--src/core/hle/service/nfp/amiibo_crypto.h3
-rw-r--r--src/core/hle/service/nfp/nfp_device.cpp139
-rw-r--r--src/core/hle/service/nfp/nfp_device.h4
-rw-r--r--src/core/hle/service/nfp/nfp_types.h13
5 files changed, 118 insertions, 51 deletions
diff --git a/src/core/hle/service/nfp/amiibo_crypto.cpp b/src/core/hle/service/nfp/amiibo_crypto.cpp
index ad73edbda..a3622e792 100644
--- a/src/core/hle/service/nfp/amiibo_crypto.cpp
+++ b/src/core/hle/service/nfp/amiibo_crypto.cpp
@@ -70,6 +70,10 @@ bool IsAmiiboValid(const EncryptedNTAG215File& ntag_file) {
return true;
}
+bool IsAmiiboValid(const NTAG215File& ntag_file) {
+ return IsAmiiboValid(EncodedDataToNfcData(ntag_file));
+}
+
NTAG215File NfcDataToEncodedData(const EncryptedNTAG215File& nfc_data) {
NTAG215File encoded_data{};
@@ -88,8 +92,9 @@ NTAG215File NfcDataToEncodedData(const EncryptedNTAG215File& nfc_data) {
encoded_data.application_area_id = nfc_data.user_memory.application_area_id;
encoded_data.application_id_byte = nfc_data.user_memory.application_id_byte;
encoded_data.unknown = nfc_data.user_memory.unknown;
+ encoded_data.mii_extension = nfc_data.user_memory.mii_extension;
encoded_data.unknown2 = nfc_data.user_memory.unknown2;
- encoded_data.application_area_crc = nfc_data.user_memory.application_area_crc;
+ encoded_data.register_info_crc = nfc_data.user_memory.register_info_crc;
encoded_data.application_area = nfc_data.user_memory.application_area;
encoded_data.hmac_tag = nfc_data.user_memory.hmac_tag;
encoded_data.lock_bytes = nfc_data.uuid.lock_bytes;
@@ -122,8 +127,9 @@ EncryptedNTAG215File EncodedDataToNfcData(const NTAG215File& encoded_data) {
nfc_data.user_memory.application_area_id = encoded_data.application_area_id;
nfc_data.user_memory.application_id_byte = encoded_data.application_id_byte;
nfc_data.user_memory.unknown = encoded_data.unknown;
+ nfc_data.user_memory.mii_extension = encoded_data.mii_extension;
nfc_data.user_memory.unknown2 = encoded_data.unknown2;
- nfc_data.user_memory.application_area_crc = encoded_data.application_area_crc;
+ nfc_data.user_memory.register_info_crc = encoded_data.register_info_crc;
nfc_data.user_memory.application_area = encoded_data.application_area;
nfc_data.user_memory.hmac_tag = encoded_data.hmac_tag;
nfc_data.user_memory.model_info = encoded_data.model_info;
diff --git a/src/core/hle/service/nfp/amiibo_crypto.h b/src/core/hle/service/nfp/amiibo_crypto.h
index c9fd67a39..f6208ee6b 100644
--- a/src/core/hle/service/nfp/amiibo_crypto.h
+++ b/src/core/hle/service/nfp/amiibo_crypto.h
@@ -60,6 +60,9 @@ static_assert(sizeof(DerivedKeys) == 0x30, "DerivedKeys is an invalid size");
/// Validates that the amiibo file is not corrupted
bool IsAmiiboValid(const EncryptedNTAG215File& ntag_file);
+/// Validates that the amiibo file is not corrupted
+bool IsAmiiboValid(const NTAG215File& ntag_file);
+
/// Converts from encrypted file format to encoded file format
NTAG215File NfcDataToEncodedData(const EncryptedNTAG215File& nfc_data);
diff --git a/src/core/hle/service/nfp/nfp_device.cpp b/src/core/hle/service/nfp/nfp_device.cpp
index ddff90d6a..607e70968 100644
--- a/src/core/hle/service/nfp/nfp_device.cpp
+++ b/src/core/hle/service/nfp/nfp_device.cpp
@@ -3,6 +3,17 @@
#include <array>
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable : 4701) // Potentially uninitialized local variable 'result' used
+#endif
+
+#include <boost/crc.hpp>
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
#include "common/input.h"
#include "common/logging/log.h"
#include "common/string_util.h"
@@ -55,8 +66,18 @@ NfpDevice::~NfpDevice() {
};
void NfpDevice::NpadUpdate(Core::HID::ControllerTriggerType type) {
- if (type == Core::HID::ControllerTriggerType::Connected ||
- type == Core::HID::ControllerTriggerType::Disconnected) {
+ if (!is_initalized) {
+ return;
+ }
+
+ if (type == Core::HID::ControllerTriggerType::Connected) {
+ Initialize();
+ availability_change_event->Signal();
+ return;
+ }
+
+ if (type == Core::HID::ControllerTriggerType::Disconnected) {
+ device_state = DeviceState::Unavailable;
availability_change_event->Signal();
return;
}
@@ -100,7 +121,16 @@ bool NfpDevice::LoadAmiibo(std::span<const u8> data) {
// TODO: Filter by allowed_protocols here
- memcpy(&encrypted_tag_data, data.data(), sizeof(EncryptedNTAG215File));
+ memcpy(&tag_data, data.data(), sizeof(EncryptedNTAG215File));
+ is_plain_amiibo = AmiiboCrypto::IsAmiiboValid(tag_data);
+
+ if (is_plain_amiibo) {
+ encrypted_tag_data = AmiiboCrypto::EncodedDataToNfcData(tag_data);
+ LOG_INFO(Service_NFP, "Using plain amiibo");
+ } else {
+ tag_data = {};
+ memcpy(&encrypted_tag_data, data.data(), sizeof(EncryptedNTAG215File));
+ }
device_state = DeviceState::TagFound;
deactivate_event->GetReadableEvent().Clear();
@@ -134,6 +164,7 @@ void NfpDevice::Initialize() {
device_state = npad_device->HasNfc() ? DeviceState::Initialized : DeviceState::Unavailable;
encrypted_tag_data = {};
tag_data = {};
+ is_initalized = true;
}
void NfpDevice::Finalize() {
@@ -144,6 +175,7 @@ void NfpDevice::Finalize() {
StopDetection();
}
device_state = DeviceState::Unavailable;
+ is_initalized = false;
}
Result NfpDevice::StartDetection(TagProtocol allowed_protocol) {
@@ -209,13 +241,17 @@ Result NfpDevice::Flush() {
tag_data.write_counter++;
- if (!AmiiboCrypto::EncodeAmiibo(tag_data, encrypted_tag_data)) {
- LOG_ERROR(Service_NFP, "Failed to encode data");
- return WriteAmiiboFailed;
- }
+ std::vector<u8> data(sizeof(EncryptedNTAG215File));
+ if (is_plain_amiibo) {
+ memcpy(data.data(), &tag_data, sizeof(tag_data));
+ } else {
+ if (!AmiiboCrypto::EncodeAmiibo(tag_data, encrypted_tag_data)) {
+ LOG_ERROR(Service_NFP, "Failed to encode data");
+ return WriteAmiiboFailed;
+ }
- std::vector<u8> data(sizeof(encrypted_tag_data));
- memcpy(data.data(), &encrypted_tag_data, sizeof(encrypted_tag_data));
+ memcpy(data.data(), &encrypted_tag_data, sizeof(encrypted_tag_data));
+ }
if (!npad_device->WriteNfc(data)) {
LOG_ERROR(Service_NFP, "Error writing to file");
@@ -233,6 +269,13 @@ Result NfpDevice::Mount(MountTarget mount_target_) {
return WrongDeviceState;
}
+ // The loaded amiibo is not encrypted
+ if (is_plain_amiibo) {
+ device_state = DeviceState::TagMounted;
+ mount_target = mount_target_;
+ return ResultSuccess;
+ }
+
if (!AmiiboCrypto::IsAmiiboValid(encrypted_tag_data)) {
LOG_ERROR(Service_NFP, "Not an amiibo");
return NotAnAmiibo;
@@ -448,7 +491,7 @@ Result NfpDevice::DeleteRegisterInfo() {
rng.GenerateRandomBytes(&tag_data.unknown, sizeof(u8));
rng.GenerateRandomBytes(&tag_data.unknown2[0], sizeof(u32));
rng.GenerateRandomBytes(&tag_data.unknown2[1], sizeof(u32));
- rng.GenerateRandomBytes(&tag_data.application_area_crc, sizeof(u32));
+ rng.GenerateRandomBytes(&tag_data.register_info_crc, sizeof(u32));
rng.GenerateRandomBytes(&tag_data.settings.init_date, sizeof(u32));
tag_data.settings.settings.font_region.Assign(0);
tag_data.settings.settings.amiibo_initialized.Assign(0);
@@ -471,6 +514,7 @@ Result NfpDevice::SetRegisterInfoPrivate(const AmiiboName& amiibo_name) {
}
Service::Mii::MiiManager manager;
+ const auto mii = manager.BuildDefault(0);
auto& settings = tag_data.settings;
if (tag_data.settings.settings.amiibo_initialized == 0) {
@@ -479,16 +523,15 @@ Result NfpDevice::SetRegisterInfoPrivate(const AmiiboName& amiibo_name) {
}
SetAmiiboName(settings, amiibo_name);
- tag_data.owner_mii = manager.ConvertCharInfoToV3(manager.BuildDefault(0));
+ tag_data.owner_mii = manager.BuildFromStoreData(mii);
+ tag_data.mii_extension = manager.SetFromStoreData(mii);
tag_data.unknown = 0;
- tag_data.unknown2[6] = 0;
+ tag_data.unknown2 = {};
settings.country_code_id = 0;
settings.settings.font_region.Assign(0);
settings.settings.amiibo_initialized.Assign(1);
- // TODO: this is a mix of tag.file input
- std::array<u8, 0x7e> unknown_input{};
- tag_data.application_area_crc = CalculateCrc(unknown_input);
+ UpdateRegisterInfoCrc();
return Flush();
}
@@ -685,6 +728,11 @@ Result NfpDevice::RecreateApplicationArea(u32 access_id, std::span<const u8> dat
return WrongDeviceState;
}
+ if (is_app_area_open) {
+ LOG_ERROR(Service_NFP, "Application area is open");
+ return WrongDeviceState;
+ }
+
if (mount_target == MountTarget::None || mount_target == MountTarget::Rom) {
LOG_ERROR(Service_NFP, "Amiibo is read only", device_state);
return WrongDeviceState;
@@ -715,10 +763,9 @@ Result NfpDevice::RecreateApplicationArea(u32 access_id, std::span<const u8> dat
tag_data.settings.settings.appdata_initialized.Assign(1);
tag_data.application_area_id = access_id;
tag_data.unknown = {};
+ tag_data.unknown2 = {};
- // TODO: this is a mix of tag_data input
- std::array<u8, 0x7e> unknown_input{};
- tag_data.application_area_crc = CalculateCrc(unknown_input);
+ UpdateRegisterInfoCrc();
return Flush();
}
@@ -752,6 +799,10 @@ Result NfpDevice::DeleteApplicationArea() {
rng.GenerateRandomBytes(&tag_data.application_id_byte, sizeof(u8));
tag_data.settings.settings.appdata_initialized.Assign(0);
tag_data.unknown = {};
+ tag_data.unknown2 = {};
+ is_app_area_open = false;
+
+ UpdateRegisterInfoCrc();
return Flush();
}
@@ -835,32 +886,34 @@ void NfpDevice::UpdateSettingsCrc() {
// TODO: this reads data from a global, find what it is
std::array<u8, 8> unknown_input{};
- settings.crc = CalculateCrc(unknown_input);
-}
-
-u32 NfpDevice::CalculateCrc(std::span<const u8> data) {
- constexpr u32 magic = 0xedb88320;
- u32 crc = 0xffffffff;
-
- if (data.size() == 0) {
- return 0;
- }
-
- for (u8 input : data) {
- u32 temp = (crc ^ input) >> 1;
- if (((crc ^ input) & 1) != 0) {
- temp = temp ^ magic;
- }
-
- for (std::size_t step = 0; step < 7; ++step) {
- crc = temp >> 1;
- if ((temp & 1) != 0) {
- crc = temp >> 1 ^ magic;
- }
- }
- }
+ boost::crc_32_type crc;
+ crc.process_bytes(&unknown_input, sizeof(unknown_input));
+ settings.crc = crc.checksum();
+}
+
+void NfpDevice::UpdateRegisterInfoCrc() {
+#pragma pack(push, 1)
+ struct CrcData {
+ Mii::Ver3StoreData mii;
+ u8 application_id_byte;
+ u8 unknown;
+ Mii::NfpStoreDataExtension mii_extension;
+ std::array<u32, 0x5> unknown2;
+ };
+ static_assert(sizeof(CrcData) == 0x7e, "CrcData is an invalid size");
+#pragma pack(pop)
+
+ const CrcData crc_data{
+ .mii = tag_data.owner_mii,
+ .application_id_byte = tag_data.application_id_byte,
+ .unknown = tag_data.unknown,
+ .mii_extension = tag_data.mii_extension,
+ .unknown2 = tag_data.unknown2,
+ };
- return ~crc;
+ boost::crc_32_type crc;
+ crc.process_bytes(&crc_data, sizeof(CrcData));
+ tag_data.register_info_crc = crc.checksum();
}
} // namespace Service::NFP
diff --git a/src/core/hle/service/nfp/nfp_device.h b/src/core/hle/service/nfp/nfp_device.h
index 06386401d..7f963730d 100644
--- a/src/core/hle/service/nfp/nfp_device.h
+++ b/src/core/hle/service/nfp/nfp_device.h
@@ -80,7 +80,7 @@ private:
AmiiboDate GetAmiiboDate(s64 posix_time) const;
u64 RemoveVersionByte(u64 application_id) const;
void UpdateSettingsCrc();
- u32 CalculateCrc(std::span<const u8>);
+ void UpdateRegisterInfoCrc();
bool is_controller_set{};
int callback_key;
@@ -92,8 +92,10 @@ private:
Kernel::KEvent* deactivate_event = nullptr;
Kernel::KEvent* availability_change_event = nullptr;
+ bool is_initalized{};
bool is_data_moddified{};
bool is_app_area_open{};
+ bool is_plain_amiibo{};
TagProtocol allowed_protocols{};
s64 current_posix_time{};
MountTarget mount_target{MountTarget::None};
diff --git a/src/core/hle/service/nfp/nfp_types.h b/src/core/hle/service/nfp/nfp_types.h
index 142343d6e..70c878552 100644
--- a/src/core/hle/service/nfp/nfp_types.h
+++ b/src/core/hle/service/nfp/nfp_types.h
@@ -259,8 +259,9 @@ struct EncryptedAmiiboFile {
u32_be application_area_id; // Encrypted Game id
u8 application_id_byte;
u8 unknown;
- std::array<u32, 0x7> unknown2;
- u32_be application_area_crc;
+ Service::Mii::NfpStoreDataExtension mii_extension;
+ std::array<u32, 0x5> unknown2;
+ u32_be register_info_crc;
ApplicationArea application_area; // Encrypted Game data
};
static_assert(sizeof(EncryptedAmiiboFile) == 0x1F8, "AmiiboFile is an invalid size");
@@ -280,8 +281,9 @@ struct NTAG215File {
u32_be application_area_id;
u8 application_id_byte;
u8 unknown;
- std::array<u32, 0x7> unknown2;
- u32_be application_area_crc;
+ Service::Mii::NfpStoreDataExtension mii_extension;
+ std::array<u32, 0x5> unknown2;
+ u32_be register_info_crc;
ApplicationArea application_area; // Encrypted Game data
HashData hmac_tag; // Hash
UniqueSerialNumber uid; // Unique serial number
@@ -307,7 +309,8 @@ struct EncryptedNTAG215File {
u32 CFG1; // Defines number of verification attempts
NTAG215Password password; // Password data
};
-static_assert(sizeof(EncryptedNTAG215File) == 0x21C, "EncryptedNTAG215File is an invalid size");
+static_assert(sizeof(EncryptedNTAG215File) == sizeof(NTAG215File),
+ "EncryptedNTAG215File is an invalid size");
static_assert(std::is_trivially_copyable_v<EncryptedNTAG215File>,
"EncryptedNTAG215File must be trivially copyable.");
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-03 17:38:59 +0200