diff options
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/CMakeLists.txt | 3 | ||||
| -rw-r--r-- | src/core/hle/service/am/applets/applet_mii_edit_types.h | 2 | ||||
| -rw-r--r-- | src/core/hle/service/mii/mii.cpp | 32 | ||||
| -rw-r--r-- | src/core/hle/service/mii/mii_manager.cpp | 89 | ||||
| -rw-r--r-- | src/core/hle/service/mii/mii_manager.h | 9 | ||||
| -rw-r--r-- | src/core/hle/service/mii/types.h | 138 | ||||
| -rw-r--r-- | src/core/hle/service/nfp/amiibo_crypto.cpp | 383 | ||||
| -rw-r--r-- | src/core/hle/service/nfp/amiibo_crypto.h | 98 | ||||
| -rw-r--r-- | src/core/hle/service/nfp/amiibo_types.h | 197 | ||||
| -rw-r--r-- | src/core/hle/service/nfp/nfp.cpp | 555 | ||||
| -rw-r--r-- | src/core/hle/service/nfp/nfp.h | 145 |
11 files changed, 1369 insertions, 282 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index 405a2f993..33cf470d5 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -519,6 +519,9 @@ add_library(core STATIC hle/service/ncm/ncm.h hle/service/nfc/nfc.cpp hle/service/nfc/nfc.h + hle/service/nfp/amiibo_crypto.cpp + hle/service/nfp/amiibo_crypto.h + hle/service/nfp/amiibo_types.h hle/service/nfp/nfp.cpp hle/service/nfp/nfp.h hle/service/nfp/nfp_user.cpp diff --git a/src/core/hle/service/am/applets/applet_mii_edit_types.h b/src/core/hle/service/am/applets/applet_mii_edit_types.h index 1b145b696..4705d019f 100644 --- a/src/core/hle/service/am/applets/applet_mii_edit_types.h +++ b/src/core/hle/service/am/applets/applet_mii_edit_types.h @@ -32,7 +32,7 @@ enum class MiiEditResult : u32 { }; struct MiiEditCharInfo { - Service::Mii::MiiInfo mii_info{}; + Service::Mii::CharInfo mii_info{}; }; static_assert(sizeof(MiiEditCharInfo) == 0x58, "MiiEditCharInfo has incorrect size."); diff --git a/src/core/hle/service/mii/mii.cpp b/src/core/hle/service/mii/mii.cpp index efb569993..390514fdc 100644 --- a/src/core/hle/service/mii/mii.cpp +++ b/src/core/hle/service/mii/mii.cpp @@ -43,7 +43,7 @@ public: {20, nullptr, "IsBrokenDatabaseWithClearFlag"}, {21, &IDatabaseService::GetIndex, "GetIndex"}, {22, &IDatabaseService::SetInterfaceVersion, "SetInterfaceVersion"}, - {23, nullptr, "Convert"}, + {23, &IDatabaseService::Convert, "Convert"}, {24, nullptr, "ConvertCoreDataToCharInfo"}, {25, nullptr, "ConvertCharInfoToCoreData"}, {26, nullptr, "Append"}, @@ -130,7 +130,7 @@ private: return; } - std::vector<MiiInfo> values; + std::vector<CharInfo> values; for (const auto& element : *result) { values.emplace_back(element.info); } @@ -144,7 +144,7 @@ private: void UpdateLatest(Kernel::HLERequestContext& ctx) { IPC::RequestParser rp{ctx}; - const auto info{rp.PopRaw<MiiInfo>()}; + const auto info{rp.PopRaw<CharInfo>()}; const auto source_flag{rp.PopRaw<SourceFlag>()}; LOG_DEBUG(Service_Mii, "called with source_flag={}", source_flag); @@ -156,9 +156,9 @@ private: return; } - IPC::ResponseBuilder rb{ctx, 2 + sizeof(MiiInfo) / sizeof(u32)}; + IPC::ResponseBuilder rb{ctx, 2 + sizeof(CharInfo) / sizeof(u32)}; rb.Push(ResultSuccess); - rb.PushRaw<MiiInfo>(*result); + rb.PushRaw<CharInfo>(*result); } void BuildRandom(Kernel::HLERequestContext& ctx) { @@ -191,9 +191,9 @@ private: return; } - IPC::ResponseBuilder rb{ctx, 2 + sizeof(MiiInfo) / sizeof(u32)}; + IPC::ResponseBuilder rb{ctx, 2 + sizeof(CharInfo) / sizeof(u32)}; rb.Push(ResultSuccess); - rb.PushRaw<MiiInfo>(manager.BuildRandom(age, gender, race)); + rb.PushRaw<CharInfo>(manager.BuildRandom(age, gender, race)); } void BuildDefault(Kernel::HLERequestContext& ctx) { @@ -210,14 +210,14 @@ private: return; } - IPC::ResponseBuilder rb{ctx, 2 + sizeof(MiiInfo) / sizeof(u32)}; + IPC::ResponseBuilder rb{ctx, 2 + sizeof(CharInfo) / sizeof(u32)}; rb.Push(ResultSuccess); - rb.PushRaw<MiiInfo>(manager.BuildDefault(index)); + rb.PushRaw<CharInfo>(manager.BuildDefault(index)); } void GetIndex(Kernel::HLERequestContext& ctx) { IPC::RequestParser rp{ctx}; - const auto info{rp.PopRaw<MiiInfo>()}; + const auto info{rp.PopRaw<CharInfo>()}; LOG_DEBUG(Service_Mii, "called"); @@ -239,6 +239,18 @@ private: rb.Push(ResultSuccess); } + void Convert(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + + const auto mii_v3{rp.PopRaw<Ver3StoreData>()}; + + LOG_INFO(Service_Mii, "called"); + + IPC::ResponseBuilder rb{ctx, 2 + sizeof(CharInfo) / sizeof(u32)}; + rb.Push(ResultSuccess); + rb.PushRaw<CharInfo>(manager.ConvertV3ToCharInfo(mii_v3)); + } + constexpr bool IsInterfaceVersionSupported(u32 interface_version) const { return current_interface_version >= interface_version; } diff --git a/src/core/hle/service/mii/mii_manager.cpp b/src/core/hle/service/mii/mii_manager.cpp index 544c92a00..c484a9c8d 100644 --- a/src/core/hle/service/mii/mii_manager.cpp +++ b/src/core/hle/service/mii/mii_manager.cpp @@ -42,7 +42,7 @@ std::array<T, DestArraySize> ResizeArray(const std::array<T, SourceArraySize>& i return out; } -MiiInfo ConvertStoreDataToInfo(const MiiStoreData& data) { +CharInfo ConvertStoreDataToInfo(const MiiStoreData& data) { MiiStoreBitFields bf; std::memcpy(&bf, data.data.data.data(), sizeof(MiiStoreBitFields)); @@ -409,8 +409,8 @@ u32 MiiManager::GetCount(SourceFlag source_flag) const { return static_cast<u32>(count); } -ResultVal<MiiInfo> MiiManager::UpdateLatest([[maybe_unused]] const MiiInfo& info, - SourceFlag source_flag) { +ResultVal<CharInfo> MiiManager::UpdateLatest([[maybe_unused]] const CharInfo& info, + SourceFlag source_flag) { if ((source_flag & SourceFlag::Database) == SourceFlag::None) { return ERROR_CANNOT_FIND_ENTRY; } @@ -419,14 +419,91 @@ ResultVal<MiiInfo> MiiManager::UpdateLatest([[maybe_unused]] const MiiInfo& info return ERROR_CANNOT_FIND_ENTRY; } -MiiInfo MiiManager::BuildRandom(Age age, Gender gender, Race race) { +CharInfo MiiManager::BuildRandom(Age age, Gender gender, Race race) { return ConvertStoreDataToInfo(BuildRandomStoreData(age, gender, race, user_id)); } -MiiInfo MiiManager::BuildDefault(std::size_t index) { +CharInfo MiiManager::BuildDefault(std::size_t index) { return ConvertStoreDataToInfo(BuildDefaultStoreData(RawData::DefaultMii.at(index), user_id)); } +CharInfo MiiManager::ConvertV3ToCharInfo(Ver3StoreData mii_v3) const { + Service::Mii::MiiManager manager; + auto mii = manager.BuildDefault(0); + + // Check if mii data exist + if (mii_v3.mii_name[0] == 0) { + return mii; + } + + // TODO: We are ignoring a bunch of data from the mii_v3 + + mii.gender = static_cast<u8>(mii_v3.mii_information.gender); + mii.favorite_color = static_cast<u8>(mii_v3.mii_information.favorite_color); + mii.height = mii_v3.height; + mii.build = mii_v3.build; + + memset(mii.name.data(), 0, sizeof(mii.name)); + memcpy(mii.name.data(), mii_v3.mii_name.data(), sizeof(mii_v3.mii_name)); + mii.font_region = mii_v3.region_information.character_set; + + mii.faceline_type = mii_v3.appearance_bits1.face_shape; + mii.faceline_color = mii_v3.appearance_bits1.skin_color; + mii.faceline_wrinkle = mii_v3.appearance_bits2.wrinkles; + mii.faceline_make = mii_v3.appearance_bits2.makeup; + + mii.hair_type = mii_v3.hair_style; + mii.hair_color = mii_v3.appearance_bits3.hair_color; + mii.hair_flip = mii_v3.appearance_bits3.flip_hair; + + mii.eye_type = static_cast<u8>(mii_v3.appearance_bits4.eye_type); + mii.eye_color = static_cast<u8>(mii_v3.appearance_bits4.eye_color); + mii.eye_scale = static_cast<u8>(mii_v3.appearance_bits4.eye_scale); + mii.eye_aspect = static_cast<u8>(mii_v3.appearance_bits4.eye_vertical_stretch); + mii.eye_rotate = static_cast<u8>(mii_v3.appearance_bits4.eye_rotation); + mii.eye_x = static_cast<u8>(mii_v3.appearance_bits4.eye_spacing); + mii.eye_y = static_cast<u8>(mii_v3.appearance_bits4.eye_y_position); + + mii.eyebrow_type = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_style); + mii.eyebrow_color = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_color); + mii.eyebrow_scale = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_scale); + mii.eyebrow_aspect = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_yscale); + mii.eyebrow_rotate = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_rotation); + mii.eyebrow_x = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_spacing); + mii.eyebrow_y = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_y_position); + + mii.nose_type = static_cast<u8>(mii_v3.appearance_bits6.nose_type); + mii.nose_scale = static_cast<u8>(mii_v3.appearance_bits6.nose_scale); + mii.nose_y = static_cast<u8>(mii_v3.appearance_bits6.nose_y_position); + + mii.mouth_type = static_cast<u8>(mii_v3.appearance_bits7.mouth_type); + mii.mouth_color = static_cast<u8>(mii_v3.appearance_bits7.mouth_color); + mii.mouth_scale = static_cast<u8>(mii_v3.appearance_bits7.mouth_scale); + mii.mouth_aspect = static_cast<u8>(mii_v3.appearance_bits7.mouth_horizontal_stretch); + mii.mouth_y = static_cast<u8>(mii_v3.appearance_bits8.mouth_y_position); + + mii.mustache_type = static_cast<u8>(mii_v3.appearance_bits8.mustache_type); + mii.mustache_scale = static_cast<u8>(mii_v3.appearance_bits9.mustache_scale); + mii.mustache_y = static_cast<u8>(mii_v3.appearance_bits9.mustache_y_position); + + mii.beard_type = static_cast<u8>(mii_v3.appearance_bits9.bear_type); + mii.beard_color = static_cast<u8>(mii_v3.appearance_bits9.facial_hair_color); + + mii.glasses_type = static_cast<u8>(mii_v3.appearance_bits10.glasses_type); + mii.glasses_color = static_cast<u8>(mii_v3.appearance_bits10.glasses_color); + mii.glasses_scale = static_cast<u8>(mii_v3.appearance_bits10.glasses_scale); + mii.glasses_y = static_cast<u8>(mii_v3.appearance_bits10.glasses_y_position); + + mii.mole_type = static_cast<u8>(mii_v3.appearance_bits11.mole_enabled); + mii.mole_scale = static_cast<u8>(mii_v3.appearance_bits11.mole_scale); + mii.mole_x = static_cast<u8>(mii_v3.appearance_bits11.mole_x_position); + mii.mole_y = static_cast<u8>(mii_v3.appearance_bits11.mole_y_position); + + // TODO: Validate mii data + + return mii; +} + ResultVal<std::vector<MiiInfoElement>> MiiManager::GetDefault(SourceFlag source_flag) { std::vector<MiiInfoElement> result; @@ -441,7 +518,7 @@ ResultVal<std::vector<MiiInfoElement>> MiiManager::GetDefault(SourceFlag source_ return result; } -Result MiiManager::GetIndex([[maybe_unused]] const MiiInfo& info, u32& index) { +Result MiiManager::GetIndex([[maybe_unused]] const CharInfo& info, u32& index) { constexpr u32 INVALID_INDEX{0xFFFFFFFF}; index = INVALID_INDEX; diff --git a/src/core/hle/service/mii/mii_manager.h b/src/core/hle/service/mii/mii_manager.h index 6a286bd96..d847de0bd 100644 --- a/src/core/hle/service/mii/mii_manager.h +++ b/src/core/hle/service/mii/mii_manager.h @@ -19,11 +19,12 @@ public: bool CheckAndResetUpdateCounter(SourceFlag source_flag, u64& current_update_counter); bool IsFullDatabase() const; u32 GetCount(SourceFlag source_flag) const; - ResultVal<MiiInfo> UpdateLatest(const MiiInfo& info, SourceFlag source_flag); - MiiInfo BuildRandom(Age age, Gender gender, Race race); - MiiInfo BuildDefault(std::size_t index); + ResultVal<CharInfo> UpdateLatest(const CharInfo& info, SourceFlag source_flag); + CharInfo BuildRandom(Age age, Gender gender, Race race); + CharInfo BuildDefault(std::size_t index); + CharInfo ConvertV3ToCharInfo(Ver3StoreData mii_v3) const; ResultVal<std::vector<MiiInfoElement>> GetDefault(SourceFlag source_flag); - Result GetIndex(const MiiInfo& info, u32& index); + Result GetIndex(const CharInfo& info, u32& index); private: const Common::UUID user_id{}; diff --git a/src/core/hle/service/mii/types.h b/src/core/hle/service/mii/types.h index 45edbfeae..9e3247397 100644 --- a/src/core/hle/service/mii/types.h +++ b/src/core/hle/service/mii/types.h @@ -86,7 +86,8 @@ enum class SourceFlag : u32 { }; DECLARE_ENUM_FLAG_OPERATORS(SourceFlag); -struct MiiInfo { +// nn::mii::CharInfo +struct CharInfo { Common::UUID uuid; std::array<char16_t, 11> name; u8 font_region; @@ -140,16 +141,16 @@ struct MiiInfo { u8 mole_y; u8 padding; }; -static_assert(sizeof(MiiInfo) == 0x58, "MiiInfo has incorrect size."); -static_assert(std::has_unique_object_representations_v<MiiInfo>, - "All bits of MiiInfo must contribute to its value."); +static_assert(sizeof(CharInfo) == 0x58, "CharInfo has incorrect size."); +static_assert(std::has_unique_object_representations_v<CharInfo>, + "All bits of CharInfo must contribute to its value."); #pragma pack(push, 4) struct MiiInfoElement { - MiiInfoElement(const MiiInfo& info_, Source source_) : info{info_}, source{source_} {} + MiiInfoElement(const CharInfo& info_, Source source_) : info{info_}, source{source_} {} - MiiInfo info{}; + CharInfo info{}; Source source{}; }; static_assert(sizeof(MiiInfoElement) == 0x5c, "MiiInfoElement has incorrect size."); @@ -243,6 +244,131 @@ static_assert(sizeof(MiiStoreBitFields) == 0x1c, "MiiStoreBitFields has incorrec static_assert(std::is_trivially_copyable_v<MiiStoreBitFields>, "MiiStoreBitFields is not trivially copyable."); +// This is nn::mii::Ver3StoreData +// Based on citra HLE::Applets::MiiData and PretendoNetwork. +// https://github.com/citra-emu/citra/blob/master/src/core/hle/applets/mii_selector.h#L48 +// https://github.com/PretendoNetwork/mii-js/blob/master/mii.js#L299 +struct Ver3StoreData { + u8 version; + union { + u8 raw; + + BitField<0, 1, u8> allow_copying; + BitField<1, 1, u8> profanity_flag; + BitField<2, 2, u8> region_lock; + BitField<4, 2, u8> character_set; + } region_information; + u16_be mii_id; + u64_be system_id; + u32_be specialness_and_creation_date; + std::array<u8, 0x6> creator_mac; + u16_be padding; + union { + u16 raw; + + BitField<0, 1, u16> gender; + BitField<1, 4, u16> birth_month; + BitField<5, 5, u16> birth_day; + BitField<10, 4, u16> favorite_color; + BitField<14, 1, u16> favorite; + } mii_information; + std::array<char16_t, 0xA> mii_name; + u8 height; + u8 build; + union { + u8 raw; + + BitField<0, 1, u8> disable_sharing; + BitField<1, 4, u8> face_shape; + BitField<5, 3, u8> skin_color; + } appearance_bits1; + union { + u8 raw; + + BitField<0, 4, u8> wrinkles; + BitField<4, 4, u8> makeup; + } appearance_bits2; + u8 hair_style; + union { + u8 raw; + + BitField<0, 3, u8> hair_color; + BitField<3, 1, u8> flip_hair; + } appearance_bits3; + union { + u32 raw; + + BitField<0, 6, u32> eye_type; + BitField<6, 3, u32> eye_color; + BitField<9, 4, u32> eye_scale; + BitField<13, 3, u32> eye_vertical_stretch; + BitField<16, 5, u32> eye_rotation; + BitField<21, 4, u32> eye_spacing; + BitField<25, 5, u32> eye_y_position; + } appearance_bits4; + union { + u32 raw; + + BitField<0, 5, u32> eyebrow_style; + BitField<5, 3, u32> eyebrow_color; + BitField<8, 4, u32> eyebrow_scale; + BitField<12, 3, u32> eyebrow_yscale; + BitField<16, 4, u32> eyebrow_rotation; + BitField<21, 4, u32> eyebrow_spacing; + BitField<25, 5, u32> eyebrow_y_position; + } appearance_bits5; + union { + u16 raw; + + BitField<0, 5, u16> nose_type; + BitField<5, 4, u16> nose_scale; + BitField<9, 5, u16> nose_y_position; + } appearance_bits6; + union { + u16 raw; + + BitField<0, 6, u16> mouth_type; + BitField<6, 3, u16> mouth_color; + BitField<9, 4, u16> mouth_scale; + BitField<13, 3, u16> mouth_horizontal_stretch; + } appearance_bits7; + union { + u8 raw; + + BitField<0, 5, u8> mouth_y_position; + BitField<5, 3, u8> mustache_type; + } appearance_bits8; + u8 allow_copying; + union { + u16 raw; + + BitField<0, 3, u16> bear_type; + BitField<3, 3, u16> facial_hair_color; + BitField<6, 4, u16> mustache_scale; + BitField<10, 5, u16> mustache_y_position; + } appearance_bits9; + union { + u16 raw; + + BitField<0, 4, u16> glasses_type; + BitField<4, 3, u16> glasses_color; + BitField<7, 4, u16> glasses_scale; + BitField<11, 5, u16> glasses_y_position; + } appearance_bits10; + union { + u16 raw; + + BitField<0, 1, u16> mole_enabled; + BitField<1, 4, u16> mole_scale; + BitField<5, 5, u16> mole_x_position; + BitField<10, 5, u16> mole_y_position; + } appearance_bits11; + + std::array<u16_le, 0xA> author_name; + INSERT_PADDING_BYTES(0x4); +}; +static_assert(sizeof(Ver3StoreData) == 0x60, "Ver3StoreData is an invalid size"); + struct MiiStoreData { using Name = std::array<char16_t, 10>; diff --git a/src/core/hle/service/nfp/amiibo_crypto.cpp b/src/core/hle/service/nfp/amiibo_crypto.cpp new file mode 100644 index 000000000..31dd3a307 --- /dev/null +++ b/src/core/hle/service/nfp/amiibo_crypto.cpp @@ -0,0 +1,383 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-3.0-or-later + +// SPDX-FileCopyrightText: Copyright 2017 socram8888/amiitool +// SPDX-License-Identifier: MIT + +#include <array> +#include <mbedtls/aes.h> +#include <mbedtls/hmac_drbg.h> + +#include "common/fs/file.h" +#include "common/fs/path_util.h" +#include "common/logging/log.h" +#include "core/hle/service/mii/mii_manager.h" +#include "core/hle/service/nfp/amiibo_crypto.h" + +namespace Service::NFP::AmiiboCrypto { + +bool IsAmiiboValid(const EncryptedNTAG215File& ntag_file) { + const auto& amiibo_data = ntag_file.user_memory; + LOG_DEBUG(Service_NFP, "uuid_lock=0x{0:x}", ntag_file.static_lock); + LOG_DEBUG(Service_NFP, "compability_container=0x{0:x}", ntag_file.compability_container); + LOG_INFO(Service_NFP, "write_count={}", amiibo_data.write_counter); + + LOG_INFO(Service_NFP, "character_id=0x{0:x}", amiibo_data.model_info.character_id); + LOG_INFO(Service_NFP, "character_variant={}", amiibo_data.model_info.character_variant); + LOG_INFO(Service_NFP, "amiibo_type={}", amiibo_data.model_info.amiibo_type); + LOG_INFO(Service_NFP, "model_number=0x{0:x}", amiibo_data.model_info.model_number); + LOG_INFO(Service_NFP, "series={}", amiibo_data.model_info.series); + LOG_DEBUG(Service_NFP, "fixed_value=0x{0:x}", amiibo_data.model_info.constant_value); + + LOG_DEBUG(Service_NFP, "tag_dynamic_lock=0x{0:x}", ntag_file.dynamic_lock); + LOG_DEBUG(Service_NFP, "tag_CFG0=0x{0:x}", ntag_file.CFG0); + LOG_DEBUG(Service_NFP, "tag_CFG1=0x{0:x}", ntag_file.CFG1); + + // Validate UUID + constexpr u8 CT = 0x88; // As defined in `ISO / IEC 14443 - 3` + if ((CT ^ ntag_file.uuid[0] ^ ntag_file.uuid[1] ^ ntag_file.uuid[2]) != ntag_file.uuid[3]) { + return false; + } + if ((ntag_file.uuid[4] ^ ntag_file.uuid[5] ^ ntag_file.uuid[6] ^ ntag_file.uuid[7]) != + ntag_file.uuid[8]) { + return false; + } + + // Check against all know constants on an amiibo binary + if (ntag_file.static_lock != 0xE00F) { + return false; + } + if (ntag_file.compability_container != 0xEEFF10F1U) { + return false; + } + if (amiibo_data.constant_value != 0xA5) { + return false; + } + if (amiibo_data.model_info.constant_value != 0x02) { + return false; + } + // dynamic_lock value apparently is not constant + // ntag_file.dynamic_lock == 0x0F0001 + if (ntag_file.CFG0 != 0x04000000U) { + return false; + } + if (ntag_file.CFG1 != 0x5F) { + return false; + } + return true; +} + +NTAG215File NfcDataToEncodedData(const EncryptedNTAG215File& nfc_data) { + NTAG215File encoded_data{}; + + memcpy(encoded_data.uuid2.data(), nfc_data.uuid.data() + 0x8, sizeof(encoded_data.uuid2)); + encoded_data.static_lock = nfc_data.static_lock; + encoded_data.compability_container = nfc_data.compability_container; + encoded_data.hmac_data = nfc_data.user_memory.hmac_data; + encoded_data.constant_value = nfc_data.user_memory.constant_value; + encoded_data.write_counter = nfc_data.user_memory.write_counter; + encoded_data.settings = nfc_data.user_memory.settings; + encoded_data.owner_mii = nfc_data.user_memory.owner_mii; + encoded_data.title_id = nfc_data.user_memory.title_id; + encoded_data.applicaton_write_counter = nfc_data.user_memory.applicaton_write_counter; + encoded_data.application_area_id = nfc_data.user_memory.application_area_id; + encoded_data.unknown = nfc_data.user_memory.unknown; + encoded_data.hash = nfc_data.user_memory.hash; + encoded_data.application_area = nfc_data.user_memory.application_area; + encoded_data.hmac_tag = nfc_data.user_memory.hmac_tag; + memcpy(encoded_data.uuid.data(), nfc_data.uuid.data(), sizeof(encoded_data.uuid)); + encoded_data.model_info = nfc_data.user_memory.model_info; + encoded_data.keygen_salt = nfc_data.user_memory.keygen_salt; + encoded_data.dynamic_lock = nfc_data.dynamic_lock; + encoded_data.CFG0 = nfc_data.CFG0; + encoded_data.CFG1 = nfc_data.CFG1; + encoded_data.password = nfc_data.password; + + return encoded_data; +} + +EncryptedNTAG215File EncodedDataToNfcData(const NTAG215File& encoded_data) { + EncryptedNTAG215File nfc_data{}; + + memcpy(nfc_data.uuid.data() + 0x8, encoded_data.uuid2.data(), sizeof(encoded_data.uuid2)); + memcpy(nfc_data.uuid.data(), encoded_data.uuid.data(), sizeof(encoded_data.uuid)); + nfc_data.static_lock = encoded_data.static_lock; + nfc_data.compability_container = encoded_data.compability_container; + nfc_data.user_memory.hmac_data = encoded_data.hmac_data; + nfc_data.user_memory.constant_value = encoded_data.constant_value; + nfc_data.user_memory.write_counter = encoded_data.write_counter; + nfc_data.user_memory.settings = encoded_data.settings; + nfc_data.user_memory.owner_mii = encoded_data.owner_mii; + nfc_data.user_memory.title_id = encoded_data.title_id; + nfc_data.user_memory.applicaton_write_counter = encoded_data.applicaton_write_counter; + nfc_data.user_memory.application_area_id = encoded_data.application_area_id; + nfc_data.user_memory.unknown = encoded_data.unknown; + nfc_data.user_memory.hash = encoded_data.hash; + 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; + nfc_data.user_memory.keygen_salt = encoded_data.keygen_salt; + nfc_data.dynamic_lock = encoded_data.dynamic_lock; + nfc_data.CFG0 = encoded_data.CFG0; + nfc_data.CFG1 = encoded_data.CFG1; + nfc_data.password = encoded_data.password; + + return nfc_data; +} + +u32 GetTagPassword(const TagUuid& uuid) { + // Verifiy that the generated password is correct + u32 password = 0xAA ^ (uuid[1] ^ uuid[3]); + password &= (0x55 ^ (uuid[2] ^ uuid[4])) << 8; + password &= (0xAA ^ (uuid[3] ^ uuid[5])) << 16; + password &= (0x55 ^ (uuid[4] ^ uuid[6])) << 24; + return password; +} + +HashSeed GetSeed(const NTAG215File& data) { + HashSeed seed{ + .magic = data.write_counter, + .padding = {}, + .uuid1 = {}, + .uuid2 = {}, + .keygen_salt = data.keygen_salt, + }; + + // Copy the first 8 bytes of uuid + memcpy(seed.uuid1.data(), data.uuid.data(), sizeof(seed.uuid1)); + memcpy(seed.uuid2.data(), data.uuid.data(), sizeof(seed.uuid2)); + + return seed; +} + +std::vector<u8> GenerateInternalKey(const InternalKey& key, const HashSeed& seed) { + const std::size_t seedPart1Len = sizeof(key.magic_bytes) - key.magic_length; + const std::size_t string_size = key.type_string.size(); + std::vector<u8> output(string_size + seedPart1Len); + + // Copy whole type string + memccpy(output.data(), key.type_string.data(), '\0', string_size); + + // Append (16 - magic_length) from the input seed + memcpy(output.data() + string_size, &seed, seedPart1Len); + + // Append all bytes from magicBytes + output.insert(output.end(), key.magic_bytes.begin(), + key.magic_bytes.begin() + key.magic_length); + + output.insert(output.end(), seed.uuid1.begin(), seed.uuid1.end()); + output.insert(output.end(), seed.uuid2.begin(), seed.uuid2.end()); + + for (std::size_t i = 0; i < sizeof(seed.keygen_salt); i++) { + output.emplace_back(static_cast<u8>(seed.keygen_salt[i] ^ key.xor_pad[i])); + } + + return output; +} + +void CryptoInit(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, const HmacKey& hmac_key, + const std::vector<u8>& seed) { + + // Initialize context + ctx.used = false; + ctx.counter = 0; + ctx.buffer_size = sizeof(ctx.counter) + seed.size(); + memcpy(ctx.buffer.data() + sizeof(u16), seed.data(), seed.size()); + + // Initialize HMAC context + mbedtls_md_init(&hmac_ctx); + mbedtls_md_setup(&hmac_ctx, mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), 1); + mbedtls_md_hmac_starts(&hmac_ctx, hmac_key.data(), hmac_key.size()); +} + +void CryptoStep(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, DrgbOutput& output) { + // If used at least once, reinitialize the HMAC + if (ctx.used) { + mbedtls_md_hmac_reset(&hmac_ctx); + } + + ctx.used = true; + + // Store counter in big endian, and increment it + ctx.buffer[0] = static_cast<u8>(ctx.counter >> 8); + ctx.buffer[1] = static_cast<u8>(ctx.counter >> 0); + ctx.counter++; + + // Do HMAC magic + mbedtls_md_hmac_update(&hmac_ctx, reinterpret_cast<const unsigned char*>(ctx.buffer.data()), + ctx.buffer_size); + mbedtls_md_hmac_finish(&hmac_ctx, output.data()); +} + +DerivedKeys GenerateKey(const InternalKey& key, const NTAG215File& data) { + const auto seed = GetSeed(data); + + // Generate internal seed + const std::vector<u8> internal_key = GenerateInternalKey(key, seed); + + // Initialize context + CryptoCtx ctx{}; + mbedtls_md_context_t hmac_ctx; + CryptoInit(ctx, hmac_ctx, key.hmac_key, internal_key); + + // Generate derived keys + DerivedKeys derived_keys{}; + std::array<DrgbOutput, 2> temp{}; + CryptoStep(ctx, hmac_ctx, temp[0]); + CryptoStep(ctx, hmac_ctx, temp[1]); + memcpy(&derived_keys, temp.data(), sizeof(DerivedKeys)); + + // Cleanup context + mbedtls_md_free(&hmac_ctx); + + return derived_keys; +} + +void Cipher(const DerivedKeys& keys, const NTAG215File& in_data, NTAG215File& out_data) { + mbedtls_aes_context aes; + std::size_t nc_off = 0; + std::array<u8, sizeof(keys.aes_iv)> nonce_counter{}; + std::array<u8, sizeof(keys.aes_iv)> stream_block{}; + + const auto aes_key_size = static_cast<u32>(keys.aes_key.size() * 8); + mbedtls_aes_setkey_enc(&aes, keys.aes_key.data(), aes_key_size); + memcpy(nonce_counter.data(), keys.aes_iv.data(), sizeof(keys.aes_iv)); + + constexpr std::size_t encrypted_data_size = HMAC_TAG_START - SETTINGS_START; + mbedtls_aes_crypt_ctr(&aes, encrypted_data_size, &nc_off, nonce_counter.data(), + stream_block.data(), + reinterpret_cast<const unsigned char*>(&in_data.settings), + reinterpret_cast<unsigned char*>(&out_data.settings)); + + // Copy the rest of the data directly + out_data.uuid2 = in_data.uuid2; + out_data.static_lock = in_data.static_lock; + out_data.compability_container = in_data.compability_container; + + out_data.constant_value = in_data.constant_value; + out_data.write_counter = in_data.write_counter; + + out_data.uuid = in_data.uuid; + out_data.model_info = in_data.model_info; + out_data.keygen_salt = in_data.keygen_salt; + out_data.dynamic_lock = in_data.dynamic_lock; + out_data.CFG0 = in_data.CFG0; + out_data.CFG1 = in_data.CFG1; + out_data.password = in_data.password; +} + +bool LoadKeys(InternalKey& locked_secret, InternalKey& unfixed_info) { + const auto yuzu_keys_dir = Common::FS::GetYuzuPath(Common::FS::YuzuPath::KeysDir); + + const Common::FS::IOFile keys_file{yuzu_keys_dir / "key_retail.bin", + Common::FS::FileAccessMode::Read, + Common::FS::FileType::BinaryFile}; + + if (!keys_file.IsOpen()) { + LOG_ERROR(Service_NFP, "No keys detected"); + return false; + } + + if (keys_file.Read(unfixed_info) != 1) { + LOG_ERROR(Service_NFP, "Failed to read unfixed_info"); + return false; + } + if (keys_file.Read(locked_secret) != 1) { + LOG_ERROR(Service_NFP, "Failed to read locked-secret"); + return false; + } + + return true; +} + +bool DecodeAmiibo(const EncryptedNTAG215File& encrypted_tag_data, NTAG215File& tag_data) { + InternalKey locked_secret{}; + InternalKey unfixed_info{}; + + if (!LoadKeys(locked_secret, unfixed_info)) { + return false; + } + + // Generate keys + NTAG215File encoded_data = NfcDataToEncodedData(encrypted_tag_data); + const auto data_keys = GenerateKey(unfixed_info, encoded_data); + const auto tag_keys = GenerateKey(locked_secret, encoded_data); + + // Decrypt + Cipher(data_keys, encoded_data, tag_data); + + // Regenerate tag HMAC. Note: order matters, data HMAC depends on tag HMAC! + constexpr std::size_t input_length = DYNAMIC_LOCK_START - UUID_START; + mbedtls_md_hmac(mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), tag_keys.hmac_key.data(), + sizeof(HmacKey), reinterpret_cast<const unsigned char*>(&tag_data.uuid), + input_length, reinterpret_cast<unsigned char*>(&tag_data.hmac_tag)); + + // Regenerate data HMAC + constexpr std::size_t input_length2 = DYNAMIC_LOCK_START - WRITE_COUNTER_START; + mbedtls_md_hmac(mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), data_keys.hmac_key.data(), + sizeof(HmacKey), + reinterpret_cast<const unsigned char*>(&tag_data.write_counter), input_length2, + reinterpret_cast<unsigned char*>(&tag_data.hmac_data)); + + if (tag_data.hmac_data != encrypted_tag_data.user_memory.hmac_data) { + LOG_ERROR(Service_NFP, "hmac_data doesn't match"); + return false; + } + + if (tag_data.hmac_tag != encrypted_tag_data.user_memory.hmac_tag) { + LOG_ERROR(Service_NFP, "hmac_tag doesn't match"); + return false; + } + + return true; +} + +bool EncodeAmiibo(const NTAG215File& tag_data, EncryptedNTAG215File& encrypted_tag_data) { + InternalKey locked_secret{}; + InternalKey unfixed_info{}; + + if (!LoadKeys(locked_secret, unfixed_info)) { + return false; + } + + // Generate keys + const auto data_keys = GenerateKey(unfixed_info, tag_data); + const auto tag_keys = GenerateKey(locked_secret, tag_data); + + NTAG215File encoded_tag_data{}; + + // Generate tag HMAC + constexpr std::size_t input_length = DYNAMIC_LOCK_START - UUID_START; + constexpr std::size_t input_length2 = HMAC_TAG_START - WRITE_COUNTER_START; + mbedtls_md_hmac(mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), tag_keys.hmac_key.data(), + sizeof(HmacKey), reinterpret_cast<const unsigned char*>(&tag_data.uuid), + input_length, reinterpret_cast<unsigned char*>(&encoded_tag_data.hmac_tag)); + + // Init mbedtls HMAC context + mbedtls_md_context_t ctx; + mbedtls_md_init(&ctx); + mbedtls_md_setup(&ctx, mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), 1); + + // Generate data HMAC + mbedtls_md_hmac_starts(&ctx, data_keys.hmac_key.data(), sizeof(HmacKey)); + mbedtls_md_hmac_update(&ctx, reinterpret_cast<const unsigned char*>(&tag_data.write_counter), + input_length2); // Data + mbedtls_md_hmac_update(&ctx, reinterpret_cast<unsigned char*>(&encoded_tag_data.hmac_tag), + sizeof(HashData)); // Tag HMAC + mbedtls_md_hmac_update(&ctx, reinterpret_cast<const unsigned char*>(&tag_data.uuid), + input_length); + mbedtls_md_hmac_finish(&ctx, reinterpret_cast<unsigned char*>(&encoded_tag_data.hmac_data)); + + // HMAC cleanup + mbedtls_md_free(&ctx); + + // Encrypt + Cipher(data_keys, tag_data, encoded_tag_data); + + // Convert back to hardware + encrypted_tag_data = EncodedDataToNfcData(encoded_tag_data); + + return true; +} + +} // namespace Service::NFP::AmiiboCrypto diff --git a/src/core/hle/service/nfp/amiibo_crypto.h b/src/core/hle/service/nfp/amiibo_crypto.h new file mode 100644 index 000000000..af7335912 --- /dev/null +++ b/src/core/hle/service/nfp/amiibo_crypto.h @@ -0,0 +1,98 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-3.0-or-later + +#pragma once + +#include <array> + +#include "core/hle/service/nfp/amiibo_types.h" + +struct mbedtls_md_context_t; + +namespace Service::NFP::AmiiboCrypto { +// Byte locations in Service::NFP::NTAG215File +constexpr std::size_t HMAC_DATA_START = 0x8; +constexpr std::size_t SETTINGS_START = 0x2c; +constexpr std::size_t WRITE_COUNTER_START = 0x29; +constexpr std::size_t HMAC_TAG_START = 0x1B4; +constexpr std::size_t UUID_START = 0x1D4; +constexpr std::size_t DYNAMIC_LOCK_START = 0x208; + +using HmacKey = std::array<u8, 0x10>; +using DrgbOutput = std::array<u8, 0x20>; + +struct HashSeed { + u16 magic; + std::array<u8, 0xE> padding; + std::array<u8, 0x8> uuid1; + std::array<u8, 0x8> uuid2; + std::array<u8, 0x20> keygen_salt; +}; +static_assert(sizeof(HashSeed) == 0x40, "HashSeed is an invalid size"); + +struct InternalKey { + HmacKey hmac_key; + std::array<char, 0xE> type_string; + u8 reserved; + u8 magic_length; + std::array<u8, 0x10> magic_bytes; + std::array<u8, 0x20> xor_pad; +}; +static_assert(sizeof(InternalKey) == 0x50, "InternalKey is an invalid size"); +static_assert(std::is_trivially_copyable_v<InternalKey>, "InternalKey must be trivially copyable."); + +struct CryptoCtx { + std::array<char, 480> buffer; + bool used; + std::size_t buffer_size; + s16 counter; +}; + +struct DerivedKeys { + std::array<u8, 0x10> aes_key; + std::array<u8, 0x10> aes_iv; + std::array<u8, 0x10> hmac_key; +}; +static_assert(sizeof(DerivedKeys) == 0x30, "DerivedKeys is an invalid size"); + +/// Validates that the amiibo file is not corrupted +bool IsAmiiboValid(const EncryptedNTAG215File& ntag_file); + +/// Converts from encrypted file format to encoded file format +NTAG215File NfcDataToEncodedData(const EncryptedNTAG215File& nfc_data); + +/// Converts from encoded file format to encrypted file format +EncryptedNTAG215File EncodedDataToNfcData(const NTAG215File& encoded_data); + +/// Returns password needed to allow write access to protected memory +u32 GetTagPassword(const TagUuid& uuid); + +// Generates Seed needed for key derivation +HashSeed GetSeed(const NTAG215File& data); + +// Middle step on the generation of derived keys +std::vector<u8> GenerateInternalKey(const InternalKey& key, const HashSeed& seed); + +// Initializes mbedtls context +void CryptoInit(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, const HmacKey& hmac_key, + const std::vector<u8>& seed); + +// Feeds data to mbedtls context to generate the derived key +void CryptoStep(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, DrgbOutput& output); + +// Generates the derived key from amiibo data +DerivedKeys GenerateKey(const InternalKey& key, const NTAG215File& data); + +// Encodes or decodes amiibo data +void Cipher(const DerivedKeys& keys, const NTAG215File& in_data, NTAG215File& out_data); + +/// Loads both amiibo keys from key_retail.bin +bool LoadKeys(InternalKey& locked_secret, InternalKey& unfixed_info); + +/// Decodes encripted amiibo data returns true if output is valid +bool DecodeAmiibo(const EncryptedNTAG215File& encrypted_tag_data, NTAG215File& tag_data); + +/// Encodes plain amiibo data returns true if output is valid +bool EncodeAmiibo(const NTAG215File& tag_data, EncryptedNTAG215File& encrypted_tag_data); + +} // namespace Service::NFP::AmiiboCrypto diff --git a/src/core/hle/service/nfp/amiibo_types.h b/src/core/hle/service/nfp/amiibo_types.h new file mode 100644 index 000000000..bf2de811a --- /dev/null +++ b/src/core/hle/service/nfp/amiibo_types.h @@ -0,0 +1,197 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-3.0-or-later + +#pragma once + +#include <array> + +#include "core/hle/service/mii/types.h" + +namespace Service::NFP { +static constexpr std::size_t amiibo_name_length = 0xA; + +enum class ServiceType : u32 { + User, + Debug, + System, +}; + +enum class State : u32 { + NonInitialized, + Initialized, +}; + +enum class DeviceState : u32 { + Initialized, + SearchingForTag, + TagFound, + TagRemoved, + TagMounted, + Unaviable, + Finalized, +}; + +enum class ModelType : u32 { + Amiibo, +}; + +enum class MountTarget : u32 { + Rom, + Ram, + All, +}; + +enum class AmiiboType : u8 { + Figure, + Card, + Yarn, +}; + +enum class AmiiboSeries : u8 { + SuperSmashBros, + SuperMario, + ChibiRobo, + YoshiWoollyWorld, + Splatoon, + AnimalCrossing, + EightBitMario, + Skylanders, + Unknown8, + TheLegendOfZelda, + ShovelKnight, + Unknown11, + Kiby, + Pokemon, + MarioSportsSuperstars, + MonsterHunter, + BoxBoy, + Pikmin, + FireEmblem, + Metroid, + Others, + MegaMan, + Diablo, +}; + +using TagUuid = std::array<u8, 10>; +using HashData = std::array<u8, 0x20>; +using ApplicationArea = std::array<u8, 0xD8>; + +struct AmiiboDate { + u16 raw_date{}; + + u16 GetYear() const { + return static_cast<u16>(((raw_date & 0xFE00) >> 9) + 2000); + } + u8 GetMonth() const { + return static_cast<u8>(((raw_date & 0x01E0) >> 5) - 1); + } + u8 GetDay() const { + return static_cast<u8>(raw_date & 0x001F); + } +}; +static_assert(sizeof(AmiiboDate) == 2, "AmiiboDate is an invalid size"); + +struct Settings { + union { + u8 raw{}; + + BitField<4, 1, u8> amiibo_initialized; + BitField<5, 1, u8> appdata_initialized; + }; +}; +static_assert(sizeof(Settings) == 1, "AmiiboDate is an invalid size"); + +struct AmiiboSettings { + Settings settings; + u8 country_code_id; + u16_be crc_counter; // Incremented each time crc is changed + AmiiboDate init_date; + AmiiboDate write_date; + u32_be crc; + std::array<u16_be, amiibo_name_length> amiibo_name; // UTF-16 text +}; +static_assert(sizeof(AmiiboSettings) == 0x20, "AmiiboSettings is an invalid size"); + +struct AmiiboModelInfo { + u16 character_id; + u8 character_variant; + AmiiboType amiibo_type; + u16 model_number; + AmiiboSeries series; + u8 constant_value; // Must be 02 + INSERT_PADDING_BYTES(0x4); // Unknown +}; +static_assert(sizeof(AmiiboModelInfo) == 0xC, "AmiiboModelInfo 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"); + +#pragma pack(1) +struct EncryptedAmiiboFile { + u8 constant_value; // Must be A5 + u16 write_counter; // Number of times the amiibo has been written? + INSERT_PADDING_BYTES(0x1); // Unknown 1 + 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 + u32_be application_area_id; // Encrypted Game id + std::array<u8, 0x2> unknown; + HashData hash; // Probably a SHA256-HMAC hash? + ApplicationArea application_area; // Encrypted Game data +}; +static_assert(sizeof(EncryptedAmiiboFile) == 0x1F8, "AmiiboFile is an invalid size"); + +struct NTAG215File { + std::array<u8, 0x2> uuid2; + u16 static_lock; // Set defined pages as read only + u32 compability_container; // Defines available memory + HashData hmac_data; // Hash + u8 constant_value; // Must be A5 + u16 write_counter; // Number of times the amiibo has been written? + INSERT_PADDING_BYTES(0x1); // Unknown 1 + AmiiboSettings settings; + Service::Mii::Ver3StoreData owner_mii; // Encrypted Mii data + u64_be title_id; + u16_be applicaton_write_counter; // Encrypted Counter + u32_be application_area_id; + std::array<u8, 0x2> unknown; + HashData hash; // Probably a SHA256-HMAC hash? + ApplicationArea application_area; // Encrypted Game data + HashData hmac_tag; // Hash + std::array<u8, 0x8> uuid; + AmiiboModelInfo model_info; + HashData keygen_salt; // Salt + u32 dynamic_lock; // Dynamic lock + u32 CFG0; // Defines memory protected by password + u32 CFG1; // Defines number of verification attempts + NTAG215Password password; // Password data +}; +static_assert(sizeof(NTAG215File) == 0x21C, "NTAG215File is an invalid size"); +static_assert(std::is_trivially_copyable_v<NTAG215File>, "NTAG215File must be trivially copyable."); +#pragma pack() + +struct EncryptedNTAG215File { + TagUuid uuid; // Unique serial number + u16 static_lock; // Set defined pages as read only + u32 compability_container; // Defines available memory + EncryptedAmiiboFile user_memory; // Writable data + u32 dynamic_lock; // Dynamic lock + u32 CFG0; // Defines memory protected by password + u32 CFG1; // Defines number of verification attempts + NTAG215Password password; // Password data +}; +static_assert(sizeof(EncryptedNTAG215File) == 0x21C, "EncryptedNTAG215File is an invalid size"); +static_assert(std::is_trivially_copyable_v<EncryptedNTAG215File>, + "EncryptedNTAG215File must be trivially copyable."); + +} // namespace Service::NFP diff --git a/src/core/hle/service/nfp/nfp.cpp b/src/core/hle/service/nfp/nfp.cpp index 6c5b41dd1..e0ed3f771 100644 --- a/src/core/hle/service/nfp/nfp.cpp +++ b/src/core/hle/service/nfp/nfp.cpp @@ -4,7 +4,10 @@ #include <array> #include <atomic> +#include "common/fs/file.h" +#include "common/fs/path_util.h" #include "common/logging/log.h" +#include "common/string_util.h" #include "core/core.h" #include "core/hid/emulated_controller.h" #include "core/hid/hid_core.h" @@ -12,6 +15,7 @@ #include "core/hle/ipc_helpers.h" #include "core/hle/kernel/k_event.h" #include "core/hle/service/mii/mii_manager.h" +#include "core/hle/service/nfp/amiibo_crypto.h" #include "core/hle/service/nfp/nfp.h" #include "core/hle/service/nfp/nfp_user.h" @@ -19,12 +23,14 @@ namespace Service::NFP { namespace ErrCodes { constexpr Result DeviceNotFound(ErrorModule::NFP, 64); constexpr Result WrongDeviceState(ErrorModule::NFP, 73); +constexpr Result NfcDisabled(ErrorModule::NFP, 80); +constexpr Result WriteAmiiboFailed(ErrorModule::NFP, 88); +constexpr Result TagRemoved(ErrorModule::NFP, 97); constexpr Result ApplicationAreaIsNotInitialized(ErrorModule::NFP, 128); +constexpr Result WrongApplicationAreaId(ErrorModule::NFP, 152); constexpr Result ApplicationAreaExist(ErrorModule::NFP, 168); } // namespace ErrCodes -constexpr u32 ApplicationAreaSize = 0xD8; - IUser::IUser(Module::Interface& nfp_interface_, Core::System& system_) : ServiceFramework{system_, "NFP::IUser"}, service_context{system_, service_name}, nfp_interface{nfp_interface_} { @@ -39,7 +45,7 @@ IUser::IUser(Module::Interface& nfp_interface_, Core::System& system_) {7, &IUser::OpenApplicationArea, "OpenApplicationArea"}, {8, &IUser::GetApplicationArea, "GetApplicationArea"}, {9, &IUser::SetApplicationArea, "SetApplicationArea"}, - {10, nullptr, "Flush"}, + {10, &IUser::Flush, "Flush"}, {11, nullptr, "Restore"}, {12, &IUser::CreateApplicationArea, "CreateApplicationArea"}, {13, &IUser::GetTagInfo, "GetTagInfo"}, @@ -53,7 +59,7 @@ IUser::IUser(Module::Interface& nfp_interface_, Core::System& system_) {21, &IUser::GetNpadId, "GetNpadId"}, {22, &IUser::GetApplicationAreaSize, "GetApplicationAreaSize"}, {23, &IUser::AttachAvailabilityChangeEvent, "AttachAvailabilityChangeEvent"}, - {24, nullptr, "RecreateApplicationArea"}, + {24, &IUser::RecreateApplicationArea, "RecreateApplicationArea"}, }; RegisterHandlers(functions); @@ -87,11 +93,23 @@ void IUser::Finalize(Kernel::HLERequestContext& ctx) { void IUser::ListDevices(Kernel::HLERequestContext& ctx) { LOG_INFO(Service_NFP, "called"); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + std::vector<u64> devices; // TODO(german77): Loop through all interfaces devices.push_back(nfp_interface.GetHandle()); + if (devices.size() == 0) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::DeviceNotFound); + return; + } + ctx.WriteBuffer(devices); IPC::ResponseBuilder rb{ctx, 3}; @@ -105,6 +123,12 @@ void IUser::StartDetection(Kernel::HLERequestContext& ctx) { const auto nfp_protocol{rp.Pop<s32>()}; LOG_INFO(Service_NFP, "called, device_handle={}, nfp_protocol={}", device_handle, nfp_protocol); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { const auto result = nfp_interface.StartDetection(nfp_protocol); @@ -124,6 +148,12 @@ void IUser::StopDetection(Kernel::HLERequestContext& ctx) { const auto device_handle{rp.Pop<u64>()}; LOG_INFO(Service_NFP, "called, device_handle={}", device_handle); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { const auto result = nfp_interface.StopDetection(); @@ -146,6 +176,12 @@ void IUser::Mount(Kernel::HLERequestContext& ctx) { LOG_INFO(Service_NFP, "called, device_handle={}, model_type={}, mount_target={}", device_handle, model_type, mount_target); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { const auto result = nfp_interface.Mount(); @@ -165,6 +201,12 @@ void IUser::Unmount(Kernel::HLERequestContext& ctx) { const auto device_handle{rp.Pop<u64>()}; LOG_INFO(Service_NFP, "called, device_handle={}", device_handle); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { const auto result = nfp_interface.Unmount(); @@ -186,6 +228,12 @@ void IUser::OpenApplicationArea(Kernel::HLERequestContext& ctx) { LOG_WARNING(Service_NFP, "(STUBBED) called, device_handle={}, access_id={}", device_handle, access_id); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { const auto result = nfp_interface.OpenApplicationArea(access_id); @@ -205,9 +253,15 @@ void IUser::GetApplicationArea(Kernel::HLERequestContext& ctx) { const auto device_handle{rp.Pop<u64>()}; LOG_INFO(Service_NFP, "called, device_handle={}", device_handle); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { - std::vector<u8> data{}; + ApplicationArea data{}; const auto result = nfp_interface.GetApplicationArea(data); ctx.WriteBuffer(data); IPC::ResponseBuilder rb{ctx, 3}; @@ -229,6 +283,12 @@ void IUser::SetApplicationArea(Kernel::HLERequestContext& ctx) { LOG_WARNING(Service_NFP, "(STUBBED) called, device_handle={}, data_size={}", device_handle, data.size()); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { const auto result = nfp_interface.SetApplicationArea(data); @@ -243,6 +303,31 @@ void IUser::SetApplicationArea(Kernel::HLERequestContext& ctx) { rb.Push(ErrCodes::DeviceNotFound); } +void IUser::Flush(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + const auto device_handle{rp.Pop<u64>()}; + LOG_WARNING(Service_NFP, "(STUBBED) called, device_handle={}", device_handle); + + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + + // TODO(german77): Loop through all interfaces + if (device_handle == nfp_interface.GetHandle()) { + const auto result = nfp_interface.Flush(); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(result); + return; + } + + LOG_ERROR(Service_NFP, "Handle not found, device_handle={}", device_handle); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::DeviceNotFound); +} + void IUser::CreateApplicationArea(Kernel::HLERequestContext& ctx) { IPC::RequestParser rp{ctx}; const auto device_handle{rp.Pop<u64>()}; @@ -251,6 +336,12 @@ void IUser::CreateApplicationArea(Kernel::HLERequestContext& ctx) { LOG_WARNING(Service_NFP, "(STUBBED) called, device_handle={}, data_size={}, access_id={}", device_handle, access_id, data.size()); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { const auto result = nfp_interface.CreateApplicationArea(access_id, data); @@ -270,6 +361,12 @@ void IUser::GetTagInfo(Kernel::HLERequestContext& ctx) { const auto device_handle{rp.Pop<u64>()}; LOG_INFO(Service_NFP, "called, device_handle={}", device_handle); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { TagInfo tag_info{}; @@ -291,6 +388,12 @@ void IUser::GetRegisterInfo(Kernel::HLERequestContext& ctx) { const auto device_handle{rp.Pop<u64>()}; LOG_INFO(Service_NFP, "called, device_handle={}", device_handle); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { RegisterInfo register_info{}; @@ -312,6 +415,12 @@ void IUser::GetCommonInfo(Kernel::HLERequestContext& ctx) { const auto device_handle{rp.Pop<u64>()}; LOG_INFO(Service_NFP, "called, device_handle={}", device_handle); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { CommonInfo common_info{}; @@ -333,6 +442,12 @@ void IUser::GetModelInfo(Kernel::HLERequestContext& ctx) { const auto device_handle{rp.Pop<u64>()}; LOG_INFO(Service_NFP, "called, device_handle={}", device_handle); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { ModelInfo model_info{}; @@ -354,6 +469,12 @@ void IUser::AttachActivateEvent(Kernel::HLERequestContext& ctx) { const auto device_handle{rp.Pop<u64>()}; LOG_DEBUG(Service_NFP, "called, device_handle={}", device_handle); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { IPC::ResponseBuilder rb{ctx, 2, 1}; @@ -373,6 +494,12 @@ void IUser::AttachDeactivateEvent(Kernel::HLERequestContext& ctx) { const auto device_handle{rp.Pop<u64>()}; LOG_DEBUG(Service_NFP, "called, device_handle={}", device_handle); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { IPC::ResponseBuilder rb{ctx, 2, 1}; @@ -419,6 +546,12 @@ void IUser::GetNpadId(Kernel::HLERequestContext& ctx) { const auto device_handle{rp.Pop<u64>()}; LOG_DEBUG(Service_NFP, "called, device_handle={}", device_handle); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + // TODO(german77): Loop through all interfaces if (device_handle == nfp_interface.GetHandle()) { IPC::ResponseBuilder rb{ctx, 3}; @@ -442,7 +575,7 @@ void IUser::GetApplicationAreaSize(Kernel::HLERequestContext& ctx) { if (device_handle == nfp_interface.GetHandle()) { IPC::ResponseBuilder rb{ctx, 3}; rb.Push(ResultSuccess); - rb.Push(ApplicationAreaSize); + rb.Push(sizeof(ApplicationArea)); return; } @@ -455,11 +588,45 @@ void IUser::GetApplicationAreaSize(Kernel::HLERequestContext& ctx) { void IUser::AttachAvailabilityChangeEvent(Kernel::HLERequestContext& ctx) { LOG_DEBUG(Service_NFP, "(STUBBED) called"); + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + IPC::ResponseBuilder rb{ctx, 2, 1}; rb.Push(ResultSuccess); rb.PushCopyObjects(availability_change_event->GetReadableEvent()); } +void IUser::RecreateApplicationArea(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + const auto device_handle{rp.Pop<u64>()}; + const auto access_id{rp.Pop<u32>()}; + const auto data{ctx.ReadBuffer()}; + LOG_WARNING(Service_NFP, "(STUBBED) called, device_handle={}, data_size={}, access_id={}", + device_handle, access_id, data.size()); + + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::NfcDisabled); + return; + } + + // TODO(german77): Loop through all interfaces + if (device_handle == nfp_interface.GetHandle()) { + const auto result = nfp_interface.RecreateApplicationArea(access_id, data); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(result); + return; + } + + LOG_ERROR(Service_NFP, "Handle not found, device_handle={}", device_handle); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ErrCodes::DeviceNotFound); +} + Module::Interface::Interface(std::shared_ptr<Module> module_, Core::System& system_, const char* name) : ServiceFramework{system_, name}, module{std::move(module_)}, @@ -478,36 +645,42 @@ void Module::Interface::CreateUserInterface(Kernel::HLERequestContext& ctx) { rb.PushIpcInterface<IUser>(*this, system); } -bool Module::Interface::LoadAmiibo(const std::vector<u8>& buffer) { - if (device_state != DeviceState::SearchingForTag) { - LOG_ERROR(Service_NFP, "Game is not looking for amiibos, current state {}", device_state); - return false; - } - - constexpr auto tag_size = sizeof(NTAG215File); +bool Module::Interface::LoadAmiiboFile(const std::string& filename) { constexpr auto tag_size_without_password = sizeof(NTAG215File) - sizeof(NTAG215Password); + const Common::FS::IOFile amiibo_file{filename, Common::FS::FileAccessMode::Read, + Common::FS::FileType::BinaryFile}; - std::vector<u8> amiibo_buffer = buffer; + if (!amiibo_file.IsOpen()) { + LOG_ERROR(Service_NFP, "Amiibo is already on use"); + return false; + } - if (amiibo_buffer.size() < tag_size_without_password) { - LOG_ERROR(Service_NFP, "Wrong file size {}", buffer.size()); + // Workaround for files with missing password data + std::array<u8, sizeof(EncryptedNTAG215File)> buffer{}; + if (amiibo_file.Read(buffer) < tag_size_without_password) { + LOG_ERROR(Service_NFP, "Failed to read amiibo file"); return false; } + memcpy(&encrypted_tag_data, buffer.data(), sizeof(EncryptedNTAG215File)); - // Ensure it has the correct size - if (amiibo_buffer.size() != tag_size) { - amiibo_buffer.resize(tag_size, 0); + if (!AmiiboCrypto::IsAmiiboValid(encrypted_tag_data)) { + LOG_INFO(Service_NFP, "Invalid amiibo"); + return false; } - LOG_INFO(Service_NFP, "Amiibo detected"); - std::memcpy(&tag_data, buffer.data(), tag_size); + file_path = filename; + return true; +} - if (!IsAmiiboValid()) { +bool Module::Interface::LoadAmiibo(const std::string& filename) { + if (device_state != DeviceState::SearchingForTag) { + LOG_ERROR(Service_NFP, "Game is not looking for amiibos, current state {}", device_state); return false; } - // This value can't be dumped from a tag. Generate it - tag_data.password.PWD = GetTagPassword(tag_data.uuid); + if (!LoadAmiiboFile(filename)) { + return false; + } device_state = DeviceState::TagFound; activate_event->GetWritableEvent().Signal(); @@ -517,55 +690,13 @@ bool Module::Interface::LoadAmiibo(const std::vector<u8>& buffer) { void Module::Interface::CloseAmiibo() { LOG_INFO(Service_NFP, "Remove amiibo"); device_state = DeviceState::TagRemoved; + is_data_decoded = false; is_application_area_initialized = false; - application_area_id = 0; - application_area_data.clear(); + encrypted_tag_data = {}; + tag_data = {}; deactivate_event->GetWritableEvent().Signal(); } -bool Module::Interface::IsAmiiboValid() const { - const auto& amiibo_data = tag_data.user_memory; - LOG_DEBUG(Service_NFP, "uuid_lock=0x{0:x}", tag_data.lock_bytes); - LOG_DEBUG(Service_NFP, "compability_container=0x{0:x}", tag_data.compability_container); - LOG_DEBUG(Service_NFP, "crypto_init=0x{0:x}", amiibo_data.crypto_init); - LOG_DEBUG(Service_NFP, "write_count={}", amiibo_data.write_count); - - LOG_DEBUG(Service_NFP, "character_id=0x{0:x}", amiibo_data.model_info.character_id); - LOG_DEBUG(Service_NFP, "character_variant={}", amiibo_data.model_info.character_variant); - LOG_DEBUG(Service_NFP, "amiibo_type={}", amiibo_data.model_info.amiibo_type); - LOG_DEBUG(Service_NFP, "model_number=0x{0:x}", amiibo_data.model_info.model_number); - LOG_DEBUG(Service_NFP, "series={}", amiibo_data.model_info.series); - LOG_DEBUG(Service_NFP, "fixed_value=0x{0:x}", amiibo_data.model_info.fixed); - - LOG_DEBUG(Service_NFP, "tag_dynamic_lock=0x{0:x}", tag_data.dynamic_lock); - LOG_DEBUG(Service_NFP, "tag_CFG0=0x{0:x}", tag_data.CFG0); - LOG_DEBUG(Service_NFP, "tag_CFG1=0x{0:x}", tag_data.CFG1); - - // Check against all know constants on an amiibo binary - if (tag_data.lock_bytes != 0xE00F) { - return false; - } - if (tag_data.compability_container != 0xEEFF10F1U) { - return false; - } - if ((amiibo_data.crypto_init & 0xFF) != 0xA5) { - return false; - } - if (amiibo_data.model_info.fixed != 0x02) { - return false; - } - if ((tag_data.dynamic_lock & 0xFFFFFF) != 0x0F0001) { - return false; - } - if (tag_data.CFG0 != 0x04000000U) { - return false; - } - if (tag_data.CFG1 != 0x5F) { - return false; - } - return true; -} - Kernel::KReadableEvent& Module::Interface::GetActivateEvent() const { return activate_event->GetReadableEvent(); } @@ -576,13 +707,20 @@ Kernel::KReadableEvent& Module::Interface::GetDeactivateEvent() const { void Module::Interface::Initialize() { device_state = DeviceState::Initialized; + is_data_decoded = false; + is_application_area_initialized = false; + encrypted_tag_data = {}; + tag_data = {}; } void Module::Interface::Finalize() { + if (device_state == DeviceState::TagMounted) { + Unmount(); + } + if (device_state == DeviceState::SearchingForTag || device_state == DeviceState::TagRemoved) { + StopDetection(); + } device_state = DeviceState::Unaviable; - is_application_area_initialized = false; - application_area_id = 0; - application_area_data.clear(); } Result Module::Interface::StartDetection(s32 protocol_) { @@ -618,42 +756,102 @@ Result Module::Interface::StopDetection() { return ErrCodes::WrongDeviceState; } -Result Module::Interface::Mount() { - if (device_state == DeviceState::TagFound) { - device_state = DeviceState::TagMounted; +Result Module::Interface::Flush() { + // Ignore write command if we can't encrypt the data + if (!is_data_decoded) { return ResultSuccess; } - LOG_ERROR(Service_NFP, "Wrong device state {}", device_state); - return ErrCodes::WrongDeviceState; + constexpr auto tag_size_without_password = sizeof(NTAG215File) - sizeof(NTAG215Password); + EncryptedNTAG215File tmp_encrypted_tag_data{}; + const Common::FS::IOFile amiibo_file{file_path, Common::FS::FileAccessMode::ReadWrite, + Common::FS::FileType::BinaryFile}; + + if (!amiibo_file.IsOpen()) { + LOG_ERROR(Core, "Amiibo is already on use"); + return ErrCodes::WriteAmiiboFailed; + } + + // Workaround for files with missing password data + std::array<u8, sizeof(EncryptedNTAG215File)> buffer{}; + if (amiibo_file.Read(buffer) < tag_size_without_password) { + LOG_ERROR(Core, "Failed to read amiibo file"); + return ErrCodes::WriteAmiiboFailed; + } + memcpy(&tmp_encrypted_tag_data, buffer.data(), sizeof(EncryptedNTAG215File)); + + if (!AmiiboCrypto::IsAmiiboValid(tmp_encrypted_tag_data)) { + LOG_INFO(Service_NFP, "Invalid amiibo"); + return ErrCodes::WriteAmiiboFailed; + } + + bool is_uuid_equal = memcmp(tmp_encrypted_tag_data.uuid.data(), tag_data.uuid.data(), 8) == 0; + bool is_character_equal = tmp_encrypted_tag_data.user_memory.model_info.character_id == + tag_data.model_info.character_id; + if (!is_uuid_equal || !is_character_equal) { + LOG_ERROR(Service_NFP, "Not the same amiibo"); + return ErrCodes::WriteAmiiboFailed; + } + + if (!AmiiboCrypto::EncodeAmiibo(tag_data, encrypted_tag_data)) { + LOG_ERROR(Service_NFP, "Failed to encode data"); + return ErrCodes::WriteAmiiboFailed; + } + + // Return to the start of the file + if (!amiibo_file.Seek(0)) { + LOG_ERROR(Service_NFP, "Error writting to file"); + return ErrCodes::WriteAmiiboFailed; + } + + if (!amiibo_file.Write(encrypted_tag_data)) { + LOG_ERROR(Service_NFP, "Error writting to file"); + return ErrCodes::WriteAmiiboFailed; + } + + return ResultSuccess; +} + +Result Module::Interface::Mount() { + if (device_state != DeviceState::TagFound) { + LOG_ERROR(Service_NFP, "Wrong device state {}", device_state); + return ErrCodes::WrongDeviceState; + } + + is_data_decoded = AmiiboCrypto::DecodeAmiibo(encrypted_tag_data, tag_data); + LOG_INFO(Service_NFP, "Is amiibo decoded {}", is_data_decoded); + + is_application_area_initialized = false; + device_state = DeviceState::TagMounted; + return ResultSuccess; } Result Module::Interface::Unmount() { - if (device_state == DeviceState::TagMounted) { - is_application_area_initialized = false; - application_area_id = 0; - application_area_data.clear(); - device_state = DeviceState::TagFound; - return ResultSuccess; + if (device_state != DeviceState::TagMounted) { + LOG_ERROR(Service_NFP, "Wrong device state {}", device_state); + return ErrCodes::WrongDeviceState; } - LOG_ERROR(Service_NFP, "Wrong device state {}", device_state); - return ErrCodes::WrongDeviceState; + is_data_decoded = false; + is_application_area_initialized = false; + device_state = DeviceState::TagFound; + return ResultSuccess; } Result Module::Interface::GetTagInfo(TagInfo& tag_info) const { - if (device_state == DeviceState::TagFound || device_state == DeviceState::TagMounted) { - tag_info = { - .uuid = tag_data.uuid, - .uuid_length = static_cast<u8>(tag_data.uuid.size()), - .protocol = protocol, - .tag_type = static_cast<u32>(tag_data.user_memory.model_info.amiibo_type), - }; - return ResultSuccess; + if (device_state != DeviceState::TagFound && device_state != DeviceState::TagMounted) { + LOG_ERROR(Service_NFP, "Wrong device state {}", device_state); + return ErrCodes::WrongDeviceState; } - LOG_ERROR(Service_NFP, "Wrong device state {}", device_state); - return ErrCodes::WrongDeviceState; + tag_info = { + .uuid = encrypted_tag_data.uuid, + .uuid_length = static_cast<u8>(encrypted_tag_data.uuid.size()), + .protocol = protocol, + .tag_type = static_cast<u32>(encrypted_tag_data.user_memory.model_info.amiibo_type), + }; + + return ResultSuccess; } Result Module::Interface::GetCommonInfo(CommonInfo& common_info) const { @@ -662,14 +860,28 @@ Result Module::Interface::GetCommonInfo(CommonInfo& common_info) const { return ErrCodes::WrongDeviceState; } - // Read this data from the amiibo save file + if (is_data_decoded && tag_data.settings.settings.amiibo_initialized != 0) { + const auto& settings = tag_data.settings; + // TODO: Validate this data + common_info = { + .last_write_year = settings.write_date.GetYear(), + .last_write_month = settings.write_date.GetMonth(), + .last_write_day = settings.write_date.GetDay(), + .write_counter = settings.crc_counter, + .version = 1, + .application_area_size = sizeof(ApplicationArea), + }; + return ResultSuccess; + } + + // Generate a generic answer common_info = { .last_write_year = 2022, .last_write_month = 2, .last_write_day = 7, - .write_counter = tag_data.user_memory.write_count, + .write_counter = 0, .version = 1, - .application_area_size = ApplicationAreaSize, + .application_area_size = sizeof(ApplicationArea), }; return ResultSuccess; } @@ -680,26 +892,53 @@ Result Module::Interface::GetModelInfo(ModelInfo& model_info) const { return ErrCodes::WrongDeviceState; } - model_info = tag_data.user_memory.model_info; + const auto& model_info_data = encrypted_tag_data.user_memory.model_info; + model_info = { + .character_id = model_info_data.character_id, + .character_variant = model_info_data.character_variant, + .amiibo_type = model_info_data.amiibo_type, + .model_number = model_info_data.model_number, + .series = model_info_data.series, + .constant_value = model_info_data.constant_value, + }; return ResultSuccess; } Result Module::Interface::GetRegisterInfo(RegisterInfo& register_info) const { if (device_state != DeviceState::TagMounted) { LOG_ERROR(Service_NFP, "Wrong device state {}", device_state); + if (device_state == DeviceState::TagRemoved) { + return ErrCodes::TagRemoved; + } return ErrCodes::WrongDeviceState; } Service::Mii::MiiManager manager; - // Read this data from the amiibo save file + if (is_data_decoded && tag_data.settings.settings.amiibo_initialized != 0) { + const auto& settings = tag_data.settings; + + // TODO: Validate this data + register_info = { + .mii_char_info = manager.ConvertV3ToCharInfo(tag_data.owner_mii), + .first_write_year = settings.init_date.GetYear(), + .first_write_month = settings.init_date.GetMonth(), + .first_write_day = settings.init_date.GetDay(), + .amiibo_name = GetAmiiboName(settings), + .font_region = {}, + }; + + return ResultSuccess; + } + + // Generate a generic answer register_info = { .mii_char_info = manager.BuildDefault(0), .first_write_year = 2022, .first_write_month = 2, .first_write_day = 7, .amiibo_name = {'Y', 'u', 'z', 'u', 'A', 'm', 'i', 'i', 'b', 'o', 0}, - .unknown = {}, + .font_region = {}, }; return ResultSuccess; } @@ -707,31 +946,47 @@ Result Module::Interface::GetRegisterInfo(RegisterInfo& register_info) const { Result Module::Interface::OpenApplicationArea(u32 access_id) { if (device_state != DeviceState::TagMounted) { LOG_ERROR(Service_NFP, "Wrong device state {}", device_state); + if (device_state == DeviceState::TagRemoved) { + return ErrCodes::TagRemoved; + } return ErrCodes::WrongDeviceState; } - if (AmiiboApplicationDataExist(access_id)) { - application_area_data = LoadAmiiboApplicationData(access_id); - application_area_id = access_id; - is_application_area_initialized = true; + + // Fallback for lack of amiibo keys + if (!is_data_decoded) { + LOG_WARNING(Service_NFP, "Application area is not initialized"); + return ErrCodes::ApplicationAreaIsNotInitialized; } - if (!is_application_area_initialized) { + + if (tag_data.settings.settings.appdata_initialized == 0) { LOG_WARNING(Service_NFP, "Application area is not initialized"); return ErrCodes::ApplicationAreaIsNotInitialized; } + + if (tag_data.application_area_id != access_id) { + LOG_WARNING(Service_NFP, "Wrong application area id"); + return ErrCodes::WrongApplicationAreaId; + } + + is_application_area_initialized = true; return ResultSuccess; } -Result Module::Interface::GetApplicationArea(std::vector<u8>& data) const { +Result Module::Interface::GetApplicationArea(ApplicationArea& data) const { if (device_state != DeviceState::TagMounted) { LOG_ERROR(Service_NFP, "Wrong device state {}", device_state); + if (device_state == DeviceState::TagRemoved) { + return ErrCodes::TagRemoved; + } return ErrCodes::WrongDeviceState; } + if (!is_application_area_initialized) { LOG_ERROR(Service_NFP, "Application area is not initialized"); return ErrCodes::ApplicationAreaIsNotInitialized; } - data = application_area_data; + data = tag_data.application_area; return ResultSuccess; } @@ -739,46 +994,69 @@ Result Module::Interface::GetApplicationArea(std::vector<u8>& data) const { Result Module::Interface::SetApplicationArea(const std::vector<u8>& data) { if (device_state != DeviceState::TagMounted) { LOG_ERROR(Service_NFP, "Wrong device state {}", device_state); + if (device_state == DeviceState::TagRemoved) { + return ErrCodes::TagRemoved; + } return ErrCodes::WrongDeviceState; } + if (!is_application_area_initialized) { LOG_ERROR(Service_NFP, "Application area is not initialized"); return ErrCodes::ApplicationAreaIsNotInitialized; } - application_area_data = data; - SaveAmiiboApplicationData(application_area_id, application_area_data); + + if (data.size() != sizeof(ApplicationArea)) { + LOG_ERROR(Service_NFP, "Wrong data size {}", data.size()); + return ResultUnknown; + } + + std::memcpy(&tag_data.application_area, data.data(), sizeof(ApplicationArea)); return ResultSuccess; } Result Module::Interface::CreateApplicationArea(u32 access_id, const std::vector<u8>& data) { if (device_state != DeviceState::TagMounted) { LOG_ERROR(Service_NFP, "Wrong device state {}", device_state); + if (device_state == DeviceState::TagRemoved) { + return ErrCodes::TagRemoved; + } return ErrCodes::WrongDeviceState; } - if (AmiiboApplicationDataExist(access_id)) { + + if (tag_data.settings.settings.appdata_initialized != 0) { LOG_ERROR(Service_NFP, "Application area already exist"); return ErrCodes::ApplicationAreaExist; } - application_area_data = data; - application_area_id = access_id; - SaveAmiiboApplicationData(application_area_id, application_area_data); + + if (data.size() != sizeof(ApplicationArea)) { + LOG_ERROR(Service_NFP, "Wrong data size {}", data.size()); + return ResultUnknown; + } + + std::memcpy(&tag_data.application_area, data.data(), sizeof(ApplicationArea)); + tag_data.application_area_id = access_id; + return ResultSuccess; } -bool Module::Interface::AmiiboApplicationDataExist(u32 access_id) const { - // TODO(german77): Check if file exist - return false; -} +Result Module::Interface::RecreateApplicationArea(u32 access_id, const std::vector<u8>& data) { + if (device_state != DeviceState::TagMounted) { + LOG_ERROR(Service_NFP, "Wrong device state {}", device_state); + if (device_state == DeviceState::TagRemoved) { + return ErrCodes::TagRemoved; + } + return ErrCodes::WrongDeviceState; + } -std::vector<u8> Module::Interface::LoadAmiiboApplicationData(u32 access_id) const { - // TODO(german77): Read file - std::vector<u8> data(ApplicationAreaSize); - return data; -} + if (data.size() != sizeof(ApplicationArea)) { + LOG_ERROR(Service_NFP, "Wrong data size {}", data.size()); + return ResultUnknown; + } + + std::memcpy(&tag_data.application_area, data.data(), sizeof(ApplicationArea)); + tag_data.application_area_id = access_id; -void Module::Interface::SaveAmiiboApplicationData(u32 access_id, - const std::vector<u8>& data) const { - // TODO(german77): Save file + return ResultSuccess; } u64 Module::Interface::GetHandle() const { @@ -791,16 +1069,25 @@ DeviceState Module::Interface::GetCurrentState() const { } Core::HID::NpadIdType Module::Interface::GetNpadId() const { - return npad_id; + // Return first connected npad id as a workaround for lack of a single nfc interface per + // controller + return system.HIDCore().GetFirstNpadId(); } -u32 Module::Interface::GetTagPassword(const TagUuid& uuid) const { - // Verifiy that the generated password is correct - u32 password = 0xAA ^ (uuid[1] ^ uuid[3]); - password &= (0x55 ^ (uuid[2] ^ uuid[4])) << 8; - password &= (0xAA ^ (uuid[3] ^ uuid[5])) << 16; - password &= (0x55 ^ (uuid[4] ^ uuid[6])) << 24; - return password; +AmiiboName Module::Interface::GetAmiiboName(const AmiiboSettings& settings) const { + std::array<char16_t, amiibo_name_length> settings_amiibo_name{}; + AmiiboName amiibo_name{}; + + // Convert from big endian to little endian + for (std::size_t i = 0; i < amiibo_name_length; i++) { + settings_amiibo_name[i] = static_cast<u16>(settings.amiibo_name[i]); + } + + // Convert from utf16 to utf8 + const auto amiibo_name_utf8 = Common::UTF16ToUTF8(settings_amiibo_name.data()); + memcpy(amiibo_name.data(), amiibo_name_utf8.data(), amiibo_name_utf8.size()); + + return amiibo_name; } void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system) { diff --git a/src/core/hle/service/nfp/nfp.h b/src/core/hle/service/nfp/nfp.h index 0fc808781..0de0b48e7 100644 --- a/src/core/hle/service/nfp/nfp.h +++ b/src/core/hle/service/nfp/nfp.h @@ -9,6 +9,7 @@ #include "common/common_funcs.h" #include "core/hle/service/kernel_helpers.h" #include "core/hle/service/mii/types.h" +#include "core/hle/service/nfp/amiibo_types.h" #include "core/hle/service/service.h" namespace Kernel { @@ -21,71 +22,7 @@ enum class NpadIdType : u32; } // namespace Core::HID namespace Service::NFP { - -enum class ServiceType : u32 { - User, - Debug, - System, -}; - -enum class State : u32 { - NonInitialized, - Initialized, -}; - -enum class DeviceState : u32 { - Initialized, - SearchingForTag, - TagFound, - TagRemoved, - TagMounted, - Unaviable, - Finalized, -}; - -enum class ModelType : u32 { - Amiibo, -}; - -enum class MountTarget : u32 { - Rom, - Ram, - All, -}; - -enum class AmiiboType : u8 { - Figure, - Card, - Yarn, -}; - -enum class AmiiboSeries : u8 { - SuperSmashBros, - SuperMario, - ChibiRobo, - YoshiWoollyWorld, - Splatoon, - AnimalCrossing, - EightBitMario, - Skylanders, - Unknown8, - TheLegendOfZelda, - ShovelKnight, - Unknown11, - Kiby, - Pokemon, - MarioSportsSuperstars, - MonsterHunter, - BoxBoy, - Pikmin, - FireEmblem, - Metroid, - Others, - MegaMan, - Diablo -}; - -using TagUuid = std::array<u8, 10>; +using AmiiboName = std::array<char, (amiibo_name_length * 4) + 1>; struct TagInfo { TagUuid uuid; @@ -114,21 +51,19 @@ struct ModelInfo { AmiiboType amiibo_type; u16 model_number; AmiiboSeries series; - u8 fixed; // Must be 02 - INSERT_PADDING_BYTES(0x4); // Unknown - INSERT_PADDING_BYTES(0x20); // Probably a SHA256-(HMAC?) hash - INSERT_PADDING_BYTES(0x14); // SHA256-HMAC + u8 constant_value; // Must be 02 + INSERT_PADDING_BYTES(0x38); // Unknown }; static_assert(sizeof(ModelInfo) == 0x40, "ModelInfo is an invalid size"); struct RegisterInfo { - Service::Mii::MiiInfo mii_char_info; + Service::Mii::CharInfo mii_char_info; u16 first_write_year; u8 first_write_month; u8 first_write_day; - std::array<u8, 11> amiibo_name; - u8 unknown; - INSERT_PADDING_BYTES(0x98); + AmiiboName amiibo_name; + u8 font_region; + INSERT_PADDING_BYTES(0x7A); }; static_assert(sizeof(RegisterInfo) == 0x100, "RegisterInfo is an invalid size"); @@ -140,39 +75,9 @@ public: const char* name); ~Interface() override; - struct EncryptedAmiiboFile { - u16 crypto_init; // Must be A5 XX - u16 write_count; // Number of times the amiibo has been written? - INSERT_PADDING_BYTES(0x20); // System crypts - INSERT_PADDING_BYTES(0x20); // SHA256-(HMAC?) hash - ModelInfo model_info; // This struct is bigger than documentation - INSERT_PADDING_BYTES(0xC); // SHA256-HMAC - INSERT_PADDING_BYTES(0x114); // section 1 encrypted buffer - INSERT_PADDING_BYTES(0x54); // section 2 encrypted buffer - }; - 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 - u32 compability_container; // Defines available memory - EncryptedAmiiboFile user_memory; // Writable data - u32 dynamic_lock; // Dynamic lock - u32 CFG0; // Defines memory protected by password - u32 CFG1; // Defines number of verification attempts - NTAG215Password password; // Password data - }; - static_assert(sizeof(NTAG215File) == 0x21C, "NTAG215File is an invalid size"); - void CreateUserInterface(Kernel::HLERequestContext& ctx); - bool LoadAmiibo(const std::vector<u8>& buffer); + bool LoadAmiibo(const std::string& filename); + bool LoadAmiiboFile(const std::string& filename); void CloseAmiibo(); void Initialize(); @@ -182,6 +87,7 @@ public: Result StopDetection(); Result Mount(); Result Unmount(); + Result Flush(); Result GetTagInfo(TagInfo& tag_info) const; Result GetCommonInfo(CommonInfo& common_info) const; @@ -189,9 +95,10 @@ public: Result GetRegisterInfo(RegisterInfo& register_info) const; Result OpenApplicationArea(u32 access_id); - Result GetApplicationArea(std::vector<u8>& data) const; + Result GetApplicationArea(ApplicationArea& data) const; Result SetApplicationArea(const std::vector<u8>& data); Result CreateApplicationArea(u32 access_id, const std::vector<u8>& data); + Result RecreateApplicationArea(u32 access_id, const std::vector<u8>& data); u64 GetHandle() const; DeviceState GetCurrentState() const; @@ -204,27 +111,21 @@ public: std::shared_ptr<Module> module; private: - /// Validates that the amiibo file is not corrupted - bool IsAmiiboValid() const; - - bool AmiiboApplicationDataExist(u32 access_id) const; - std::vector<u8> LoadAmiiboApplicationData(u32 access_id) const; - void SaveAmiiboApplicationData(u32 access_id, const std::vector<u8>& data) const; - - /// return password needed to allow write access to protected memory - u32 GetTagPassword(const TagUuid& uuid) const; + AmiiboName GetAmiiboName(const AmiiboSettings& settings) const; const Core::HID::NpadIdType npad_id; - DeviceState device_state{DeviceState::Unaviable}; - KernelHelpers::ServiceContext service_context; + bool is_data_decoded{}; + bool is_application_area_initialized{}; + s32 protocol; + std::string file_path{}; Kernel::KEvent* activate_event; Kernel::KEvent* deactivate_event; + DeviceState device_state{DeviceState::Unaviable}; + KernelHelpers::ServiceContext service_context; + NTAG215File tag_data{}; - s32 protocol; - bool is_application_area_initialized{}; - u32 application_area_id; - std::vector<u8> application_area_data; + EncryptedNTAG215File encrypted_tag_data{}; }; }; @@ -243,6 +144,7 @@ private: void OpenApplicationArea(Kernel::HLERequestContext& ctx); void GetApplicationArea(Kernel::HLERequestContext& ctx); void SetApplicationArea(Kernel::HLERequestContext& ctx); + void Flush(Kernel::HLERequestContext& ctx); void CreateApplicationArea(Kernel::HLERequestContext& ctx); void GetTagInfo(Kernel::HLERequestContext& ctx); void GetRegisterInfo(Kernel::HLERequestContext& ctx); @@ -255,6 +157,7 @@ private: void GetNpadId(Kernel::HLERequestContext& ctx); void GetApplicationAreaSize(Kernel::HLERequestContext& ctx); void AttachAvailabilityChangeEvent(Kernel::HLERequestContext& ctx); + void RecreateApplicationArea(Kernel::HLERequestContext& ctx); KernelHelpers::ServiceContext service_context; |