diff options
Diffstat (limited to 'src/core/hle/service/nfc/mifare_user.cpp')
| -rw-r--r-- | src/core/hle/service/nfc/mifare_user.cpp | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/src/core/hle/service/nfc/mifare_user.cpp b/src/core/hle/service/nfc/mifare_user.cpp new file mode 100644 index 000000000..51523a3ae --- /dev/null +++ b/src/core/hle/service/nfc/mifare_user.cpp @@ -0,0 +1,400 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "common/logging/log.h" +#include "core/core.h" +#include "core/hid/hid_types.h" +#include "core/hle/ipc_helpers.h" +#include "core/hle/kernel/k_event.h" +#include "core/hle/service/nfc/mifare_user.h" +#include "core/hle/service/nfc/nfc_device.h" +#include "core/hle/service/nfc/nfc_result.h" + +namespace Service::NFC { + +MFIUser::MFIUser(Core::System& system_) + : ServiceFramework{system_, "NFC::MFIUser"}, service_context{system_, service_name} { + static const FunctionInfo functions[] = { + {0, &MFIUser::Initialize, "Initialize"}, + {1, &MFIUser::Finalize, "Finalize"}, + {2, &MFIUser::ListDevices, "ListDevices"}, + {3, &MFIUser::StartDetection, "StartDetection"}, + {4, &MFIUser::StopDetection, "StopDetection"}, + {5, &MFIUser::Read, "Read"}, + {6, &MFIUser::Write, "Write"}, + {7, &MFIUser::GetTagInfo, "GetTagInfo"}, + {8, &MFIUser::GetActivateEventHandle, "GetActivateEventHandle"}, + {9, &MFIUser::GetDeactivateEventHandle, "GetDeactivateEventHandle"}, + {10, &MFIUser::GetState, "GetState"}, + {11, &MFIUser::GetDeviceState, "GetDeviceState"}, + {12, &MFIUser::GetNpadId, "GetNpadId"}, + {13, &MFIUser::GetAvailabilityChangeEventHandle, "GetAvailabilityChangeEventHandle"}, + }; + RegisterHandlers(functions); + + availability_change_event = service_context.CreateEvent("MFIUser:AvailabilityChangeEvent"); + + for (u32 device_index = 0; device_index < 10; device_index++) { + devices[device_index] = + std::make_shared<NfcDevice>(Core::HID::IndexToNpadIdType(device_index), system, + service_context, availability_change_event); + } +} + +MFIUser ::~MFIUser() { + availability_change_event->Close(); +} + +void MFIUser::Initialize(Kernel::HLERequestContext& ctx) { + LOG_INFO(Service_NFC, "called"); + + state = State::Initialized; + + for (auto& device : devices) { + device->Initialize(); + } + + IPC::ResponseBuilder rb{ctx, 2, 0}; + rb.Push(ResultSuccess); +} + +void MFIUser::Finalize(Kernel::HLERequestContext& ctx) { + LOG_INFO(Service_NFC, "called"); + + state = State::NonInitialized; + + for (auto& device : devices) { + device->Finalize(); + } + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ResultSuccess); +} + +void MFIUser::ListDevices(Kernel::HLERequestContext& ctx) { + LOG_DEBUG(Service_NFC, "called"); + + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareNfcDisabled); + return; + } + + if (!ctx.CanWriteBuffer()) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareInvalidArgument); + return; + } + + if (ctx.GetWriteBufferSize() == 0) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareInvalidArgument); + return; + } + + std::vector<u64> nfp_devices; + const std::size_t max_allowed_devices = ctx.GetWriteBufferNumElements<u64>(); + + for (const auto& device : devices) { + if (nfp_devices.size() >= max_allowed_devices) { + continue; + } + if (device->GetCurrentState() != NFP::DeviceState::Unavailable) { + nfp_devices.push_back(device->GetHandle()); + } + } + + if (nfp_devices.empty()) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareDeviceNotFound); + return; + } + + ctx.WriteBuffer(nfp_devices); + + IPC::ResponseBuilder rb{ctx, 3}; + rb.Push(ResultSuccess); + rb.Push(static_cast<s32>(nfp_devices.size())); +} + +void MFIUser::StartDetection(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + const auto device_handle{rp.Pop<u64>()}; + LOG_INFO(Service_NFC, "called, device_handle={}", device_handle); + + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareNfcDisabled); + return; + } + + auto device = GetNfcDevice(device_handle); + + if (!device.has_value()) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareDeviceNotFound); + return; + } + + const auto result = device.value()->StartDetection(NFP::TagProtocol::All); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(result); +} + +void MFIUser::StopDetection(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + const auto device_handle{rp.Pop<u64>()}; + LOG_INFO(Service_NFC, "called, device_handle={}", device_handle); + + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareNfcDisabled); + return; + } + + auto device = GetNfcDevice(device_handle); + + if (!device.has_value()) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareDeviceNotFound); + return; + } + + const auto result = device.value()->StopDetection(); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(result); +} + +void MFIUser::Read(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + const auto device_handle{rp.Pop<u64>()}; + const auto buffer{ctx.ReadBuffer()}; + const auto number_of_commands{ctx.GetReadBufferNumElements<NFP::MifareReadBlockParameter>()}; + std::vector<NFP::MifareReadBlockParameter> read_commands(number_of_commands); + + memcpy(read_commands.data(), buffer.data(), + number_of_commands * sizeof(NFP::MifareReadBlockParameter)); + + LOG_INFO(Service_NFC, "(STUBBED) called, device_handle={}, read_commands_size={}", + device_handle, number_of_commands); + + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareNfcDisabled); + return; + } + + auto device = GetNfcDevice(device_handle); + + if (!device.has_value()) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareDeviceNotFound); + return; + } + + Result result = ResultSuccess; + std::vector<NFP::MifareReadBlockData> out_data(number_of_commands); + for (std::size_t i = 0; i < number_of_commands; i++) { + result = device.value()->MifareRead(read_commands[i], out_data[i]); + if (result.IsError()) { + break; + } + } + + ctx.WriteBuffer(out_data); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(result); +} + +void MFIUser::Write(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + const auto device_handle{rp.Pop<u64>()}; + const auto buffer{ctx.ReadBuffer()}; + const auto number_of_commands{ctx.GetReadBufferNumElements<NFP::MifareWriteBlockParameter>()}; + std::vector<NFP::MifareWriteBlockParameter> write_commands(number_of_commands); + + memcpy(write_commands.data(), buffer.data(), + number_of_commands * sizeof(NFP::MifareWriteBlockParameter)); + + LOG_INFO(Service_NFC, "(STUBBED) called, device_handle={}, write_commands_size={}", + device_handle, number_of_commands); + + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareNfcDisabled); + return; + } + + auto device = GetNfcDevice(device_handle); + + if (!device.has_value()) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareDeviceNotFound); + return; + } + + Result result = ResultSuccess; + std::vector<NFP::MifareReadBlockData> out_data(number_of_commands); + for (std::size_t i = 0; i < number_of_commands; i++) { + result = device.value()->MifareWrite(write_commands[i]); + if (result.IsError()) { + break; + } + } + + if (result.IsSuccess()) { + result = device.value()->Flush(); + } + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(result); +} + +void MFIUser::GetTagInfo(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + const auto device_handle{rp.Pop<u64>()}; + LOG_INFO(Service_NFC, "called, device_handle={}", device_handle); + + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareNfcDisabled); + return; + } + + auto device = GetNfcDevice(device_handle); + + if (!device.has_value()) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareDeviceNotFound); + return; + } + + NFP::TagInfo tag_info{}; + const auto result = device.value()->GetTagInfo(tag_info, true); + ctx.WriteBuffer(tag_info); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(result); +} + +void MFIUser::GetActivateEventHandle(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + const auto device_handle{rp.Pop<u64>()}; + LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle); + + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareNfcDisabled); + return; + } + + auto device = GetNfcDevice(device_handle); + + if (!device.has_value()) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareDeviceNotFound); + return; + } + + IPC::ResponseBuilder rb{ctx, 2, 1}; + rb.Push(ResultSuccess); + rb.PushCopyObjects(device.value()->GetActivateEvent()); +} + +void MFIUser::GetDeactivateEventHandle(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + const auto device_handle{rp.Pop<u64>()}; + LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle); + + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareNfcDisabled); + return; + } + + auto device = GetNfcDevice(device_handle); + + if (!device.has_value()) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareDeviceNotFound); + return; + } + + IPC::ResponseBuilder rb{ctx, 2, 1}; + rb.Push(ResultSuccess); + rb.PushCopyObjects(device.value()->GetDeactivateEvent()); +} + +void MFIUser::GetState(Kernel::HLERequestContext& ctx) { + LOG_DEBUG(Service_NFC, "called"); + + IPC::ResponseBuilder rb{ctx, 3}; + rb.Push(ResultSuccess); + rb.PushEnum(state); +} + +void MFIUser::GetDeviceState(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + const auto device_handle{rp.Pop<u64>()}; + LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle); + + auto device = GetNfcDevice(device_handle); + + if (!device.has_value()) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareDeviceNotFound); + return; + } + + IPC::ResponseBuilder rb{ctx, 3}; + rb.Push(ResultSuccess); + rb.PushEnum(device.value()->GetCurrentState()); +} + +void MFIUser::GetNpadId(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + const auto device_handle{rp.Pop<u64>()}; + LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle); + + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareNfcDisabled); + return; + } + + auto device = GetNfcDevice(device_handle); + + if (!device.has_value()) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareDeviceNotFound); + return; + } + + IPC::ResponseBuilder rb{ctx, 3}; + rb.Push(ResultSuccess); + rb.PushEnum(device.value()->GetNpadId()); +} + +void MFIUser::GetAvailabilityChangeEventHandle(Kernel::HLERequestContext& ctx) { + LOG_INFO(Service_NFC, "called"); + + if (state == State::NonInitialized) { + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(MifareNfcDisabled); + return; + } + + IPC::ResponseBuilder rb{ctx, 2, 1}; + rb.Push(ResultSuccess); + rb.PushCopyObjects(availability_change_event->GetReadableEvent()); +} + +std::optional<std::shared_ptr<NfcDevice>> MFIUser::GetNfcDevice(u64 handle) { + for (auto& device : devices) { + if (device->GetHandle() == handle) { + return device; + } + } + return std::nullopt; +} + +} // namespace Service::NFC |