diff options
Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/ldn/ldn.cpp | 478 |
1 files changed, 427 insertions, 51 deletions
diff --git a/src/core/hle/service/ldn/ldn.cpp b/src/core/hle/service/ldn/ldn.cpp index 6ccbe9623..ea3e7e55a 100644 --- a/src/core/hle/service/ldn/ldn.cpp +++ b/src/core/hle/service/ldn/ldn.cpp @@ -1,14 +1,19 @@ -// Copyright 2018 yuzu emulator team -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. +// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later #include <memory> -#include "core/hle/ipc_helpers.h" -#include "core/hle/result.h" -#include "core/hle/service/ldn/errors.h" +#include "core/core.h" +#include "core/hle/service/ldn/lan_discovery.h" #include "core/hle/service/ldn/ldn.h" -#include "core/hle/service/sm/sm.h" +#include "core/hle/service/ldn/ldn_results.h" +#include "core/hle/service/ldn/ldn_types.h" +#include "core/internal_network/network.h" +#include "core/internal_network/network_interface.h" +#include "network/network.h" + +// This is defined by synchapi.h and conflicts with ServiceContext::CreateEvent +#undef CreateEvent namespace Service::LDN { @@ -101,74 +106,445 @@ class IUserLocalCommunicationService final : public ServiceFramework<IUserLocalCommunicationService> { public: explicit IUserLocalCommunicationService(Core::System& system_) - : ServiceFramework{system_, "IUserLocalCommunicationService"} { + : ServiceFramework{system_, "IUserLocalCommunicationService", ServiceThreadType::CreateNew}, + service_context{system, "IUserLocalCommunicationService"}, + room_network{system_.GetRoomNetwork()}, lan_discovery{room_network} { // clang-format off static const FunctionInfo functions[] = { {0, &IUserLocalCommunicationService::GetState, "GetState"}, - {1, nullptr, "GetNetworkInfo"}, - {2, nullptr, "GetIpv4Address"}, - {3, nullptr, "GetDisconnectReason"}, - {4, nullptr, "GetSecurityParameter"}, - {5, nullptr, "GetNetworkConfig"}, - {100, nullptr, "AttachStateChangeEvent"}, - {101, nullptr, "GetNetworkInfoLatestUpdate"}, - {102, nullptr, "Scan"}, - {103, nullptr, "ScanPrivate"}, - {104, nullptr, "SetWirelessControllerRestriction"}, - {200, nullptr, "OpenAccessPoint"}, - {201, nullptr, "CloseAccessPoint"}, - {202, nullptr, "CreateNetwork"}, - {203, nullptr, "CreateNetworkPrivate"}, - {204, nullptr, "DestroyNetwork"}, + {1, &IUserLocalCommunicationService::GetNetworkInfo, "GetNetworkInfo"}, + {2, &IUserLocalCommunicationService::GetIpv4Address, "GetIpv4Address"}, + {3, &IUserLocalCommunicationService::GetDisconnectReason, "GetDisconnectReason"}, + {4, &IUserLocalCommunicationService::GetSecurityParameter, "GetSecurityParameter"}, + {5, &IUserLocalCommunicationService::GetNetworkConfig, "GetNetworkConfig"}, + {100, &IUserLocalCommunicationService::AttachStateChangeEvent, "AttachStateChangeEvent"}, + {101, &IUserLocalCommunicationService::GetNetworkInfoLatestUpdate, "GetNetworkInfoLatestUpdate"}, + {102, &IUserLocalCommunicationService::Scan, "Scan"}, + {103, &IUserLocalCommunicationService::ScanPrivate, "ScanPrivate"}, + {104, &IUserLocalCommunicationService::SetWirelessControllerRestriction, "SetWirelessControllerRestriction"}, + {200, &IUserLocalCommunicationService::OpenAccessPoint, "OpenAccessPoint"}, + {201, &IUserLocalCommunicationService::CloseAccessPoint, "CloseAccessPoint"}, + {202, &IUserLocalCommunicationService::CreateNetwork, "CreateNetwork"}, + {203, &IUserLocalCommunicationService::CreateNetworkPrivate, "CreateNetworkPrivate"}, + {204, &IUserLocalCommunicationService::DestroyNetwork, "DestroyNetwork"}, {205, nullptr, "Reject"}, - {206, nullptr, "SetAdvertiseData"}, - {207, nullptr, "SetStationAcceptPolicy"}, - {208, nullptr, "AddAcceptFilterEntry"}, + {206, &IUserLocalCommunicationService::SetAdvertiseData, "SetAdvertiseData"}, + {207, &IUserLocalCommunicationService::SetStationAcceptPolicy, "SetStationAcceptPolicy"}, + {208, &IUserLocalCommunicationService::AddAcceptFilterEntry, "AddAcceptFilterEntry"}, {209, nullptr, "ClearAcceptFilter"}, - {300, nullptr, "OpenStation"}, - {301, nullptr, "CloseStation"}, - {302, nullptr, "Connect"}, + {300, &IUserLocalCommunicationService::OpenStation, "OpenStation"}, + {301, &IUserLocalCommunicationService::CloseStation, "CloseStation"}, + {302, &IUserLocalCommunicationService::Connect, "Connect"}, {303, nullptr, "ConnectPrivate"}, - {304, nullptr, "Disconnect"}, - {400, nullptr, "Initialize"}, - {401, nullptr, "Finalize"}, - {402, &IUserLocalCommunicationService::Initialize2, "Initialize2"}, // 7.0.0+ + {304, &IUserLocalCommunicationService::Disconnect, "Disconnect"}, + {400, &IUserLocalCommunicationService::Initialize, "Initialize"}, + {401, &IUserLocalCommunicationService::Finalize, "Finalize"}, + {402, &IUserLocalCommunicationService::Initialize2, "Initialize2"}, }; // clang-format on RegisterHandlers(functions); + + state_change_event = + service_context.CreateEvent("IUserLocalCommunicationService:StateChangeEvent"); + } + + ~IUserLocalCommunicationService() { + if (is_initialized) { + if (auto room_member = room_network.GetRoomMember().lock()) { + room_member->Unbind(ldn_packet_received); + } + } + + service_context.CloseEvent(state_change_event); + } + + /// Callback to parse and handle a received LDN packet. + void OnLDNPacketReceived(const Network::LDNPacket& packet) { + lan_discovery.ReceivePacket(packet); + } + + void OnEventFired() { + state_change_event->GetWritableEvent().Signal(); } void GetState(Kernel::HLERequestContext& ctx) { - LOG_WARNING(Service_LDN, "(STUBBED) called"); + State state = State::Error; + + if (is_initialized) { + state = lan_discovery.GetState(); + } + + IPC::ResponseBuilder rb{ctx, 3}; + rb.Push(ResultSuccess); + rb.PushEnum(state); + } + + void GetNetworkInfo(Kernel::HLERequestContext& ctx) { + const auto write_buffer_size = ctx.GetWriteBufferSize(); + + if (write_buffer_size != sizeof(NetworkInfo)) { + LOG_ERROR(Service_LDN, "Invalid buffer size {}", write_buffer_size); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ResultBadInput); + return; + } + + NetworkInfo network_info{}; + const auto rc = lan_discovery.GetNetworkInfo(network_info); + if (rc.IsError()) { + LOG_ERROR(Service_LDN, "NetworkInfo is not valid {}", rc.raw); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(rc); + return; + } + + ctx.WriteBuffer<NetworkInfo>(network_info); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ResultSuccess); + } + void GetIpv4Address(Kernel::HLERequestContext& ctx) { + const auto network_interface = Network::GetSelectedNetworkInterface(); + + if (!network_interface) { + LOG_ERROR(Service_LDN, "No network interface available"); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ResultNoIpAddress); + return; + } + + Ipv4Address current_address{Network::TranslateIPv4(network_interface->ip_address)}; + Ipv4Address subnet_mask{Network::TranslateIPv4(network_interface->subnet_mask)}; + + // When we're connected to a room, spoof the hosts IP address + if (auto room_member = room_network.GetRoomMember().lock()) { + if (room_member->IsConnected()) { + current_address = room_member->GetFakeIpAddress(); + } + } + + std::reverse(std::begin(current_address), std::end(current_address)); // ntohl + std::reverse(std::begin(subnet_mask), std::end(subnet_mask)); // ntohl + + IPC::ResponseBuilder rb{ctx, 4}; + rb.Push(ResultSuccess); + rb.PushRaw(current_address); + rb.PushRaw(subnet_mask); + } + + void GetDisconnectReason(Kernel::HLERequestContext& ctx) { IPC::ResponseBuilder rb{ctx, 3}; + rb.Push(ResultSuccess); + rb.PushEnum(lan_discovery.GetDisconnectReason()); + } - // Indicate a network error, as we do not actually emulate LDN - rb.Push(static_cast<u32>(State::Error)); + void GetSecurityParameter(Kernel::HLERequestContext& ctx) { + SecurityParameter security_parameter{}; + NetworkInfo info{}; + const Result rc = lan_discovery.GetNetworkInfo(info); + + if (rc.IsError()) { + LOG_ERROR(Service_LDN, "NetworkInfo is not valid {}", rc.raw); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(rc); + return; + } + + security_parameter.session_id = info.network_id.session_id; + std::memcpy(security_parameter.data.data(), info.ldn.security_parameter.data(), + sizeof(SecurityParameter::data)); + + IPC::ResponseBuilder rb{ctx, 10}; + rb.Push(rc); + rb.PushRaw<SecurityParameter>(security_parameter); + } + void GetNetworkConfig(Kernel::HLERequestContext& ctx) { + NetworkConfig config{}; + NetworkInfo info{}; + const Result rc = lan_discovery.GetNetworkInfo(info); + + if (rc.IsError()) { + LOG_ERROR(Service_LDN, "NetworkConfig is not valid {}", rc.raw); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(rc); + return; + } + + config.intent_id = info.network_id.intent_id; + config.channel = info.common.channel; + config.node_count_max = info.ldn.node_count_max; + config.local_communication_version = info.ldn.nodes[0].local_communication_version; + + IPC::ResponseBuilder rb{ctx, 10}; + rb.Push(rc); + rb.PushRaw<NetworkConfig>(config); + } + + void AttachStateChangeEvent(Kernel::HLERequestContext& ctx) { + LOG_INFO(Service_LDN, "called"); + + IPC::ResponseBuilder rb{ctx, 2, 1}; rb.Push(ResultSuccess); + rb.PushCopyObjects(state_change_event->GetReadableEvent()); } - void Initialize2(Kernel::HLERequestContext& ctx) { - LOG_DEBUG(Service_LDN, "called"); + void GetNetworkInfoLatestUpdate(Kernel::HLERequestContext& ctx) { + const std::size_t network_buffer_size = ctx.GetWriteBufferSize(0); + const std::size_t node_buffer_count = ctx.GetWriteBufferSize(1) / sizeof(NodeLatestUpdate); - is_initialized = true; + if (node_buffer_count == 0 || network_buffer_size != sizeof(NetworkInfo)) { + LOG_ERROR(Service_LDN, "Invalid buffer, size = {}, count = {}", network_buffer_size, + node_buffer_count); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ResultBadInput); + return; + } + + NetworkInfo info{}; + std::vector<NodeLatestUpdate> latest_update(node_buffer_count); + + const auto rc = lan_discovery.GetNetworkInfo(info, latest_update, latest_update.size()); + if (rc.IsError()) { + LOG_ERROR(Service_LDN, "NetworkInfo is not valid {}", rc.raw); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(rc); + return; + } + + ctx.WriteBuffer(info, 0); + ctx.WriteBuffer(latest_update, 1); IPC::ResponseBuilder rb{ctx, 2}; - rb.Push(ERROR_DISABLED); + rb.Push(ResultSuccess); + } + + void Scan(Kernel::HLERequestContext& ctx) { + ScanImpl(ctx); + } + + void ScanPrivate(Kernel::HLERequestContext& ctx) { + ScanImpl(ctx, true); + } + + void ScanImpl(Kernel::HLERequestContext& ctx, bool is_private = false) { + IPC::RequestParser rp{ctx}; + const auto channel{rp.PopEnum<WifiChannel>()}; + const auto scan_filter{rp.PopRaw<ScanFilter>()}; + + const std::size_t network_info_size = ctx.GetWriteBufferSize() / sizeof(NetworkInfo); + + if (network_info_size == 0) { + LOG_ERROR(Service_LDN, "Invalid buffer size {}", network_info_size); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ResultBadInput); + return; + } + + u16 count = 0; + std::vector<NetworkInfo> network_infos(network_info_size); + Result rc = lan_discovery.Scan(network_infos, count, scan_filter); + + LOG_INFO(Service_LDN, + "called, channel={}, filter_scan_flag={}, filter_network_type={}, is_private={}", + channel, scan_filter.flag, scan_filter.network_type, is_private); + + ctx.WriteBuffer(network_infos); + + IPC::ResponseBuilder rb{ctx, 3}; + rb.Push(rc); + rb.Push<u32>(count); + } + + void SetWirelessControllerRestriction(Kernel::HLERequestContext& ctx) { + LOG_WARNING(Service_LDN, "(STUBBED) called"); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ResultSuccess); } -private: - enum class State { - None, - Initialized, - AccessPointOpened, - AccessPointCreated, - StationOpened, - StationConnected, - Error, - }; + void OpenAccessPoint(Kernel::HLERequestContext& ctx) { + LOG_INFO(Service_LDN, "called"); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(lan_discovery.OpenAccessPoint()); + } + + void CloseAccessPoint(Kernel::HLERequestContext& ctx) { + LOG_INFO(Service_LDN, "called"); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(lan_discovery.CloseAccessPoint()); + } + + void CreateNetwork(Kernel::HLERequestContext& ctx) { + LOG_INFO(Service_LDN, "called"); + + CreateNetworkImpl(ctx); + } + + void CreateNetworkPrivate(Kernel::HLERequestContext& ctx) { + LOG_INFO(Service_LDN, "called"); + + CreateNetworkImpl(ctx, true); + } + + void CreateNetworkImpl(Kernel::HLERequestContext& ctx, bool is_private = false) { + IPC::RequestParser rp{ctx}; + + const auto security_config{rp.PopRaw<SecurityConfig>()}; + [[maybe_unused]] const auto security_parameter{is_private ? rp.PopRaw<SecurityParameter>() + : SecurityParameter{}}; + const auto user_config{rp.PopRaw<UserConfig>()}; + rp.Pop<u32>(); // Padding + const auto network_Config{rp.PopRaw<NetworkConfig>()}; + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(lan_discovery.CreateNetwork(security_config, user_config, network_Config)); + } + + void DestroyNetwork(Kernel::HLERequestContext& ctx) { + LOG_INFO(Service_LDN, "called"); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(lan_discovery.DestroyNetwork()); + } + + void SetAdvertiseData(Kernel::HLERequestContext& ctx) { + std::vector<u8> read_buffer = ctx.ReadBuffer(); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(lan_discovery.SetAdvertiseData(read_buffer)); + } + + void SetStationAcceptPolicy(Kernel::HLERequestContext& ctx) { + LOG_WARNING(Service_LDN, "(STUBBED) called"); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ResultSuccess); + } + + void AddAcceptFilterEntry(Kernel::HLERequestContext& ctx) { + LOG_WARNING(Service_LDN, "(STUBBED) called"); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ResultSuccess); + } + + void OpenStation(Kernel::HLERequestContext& ctx) { + LOG_INFO(Service_LDN, "called"); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(lan_discovery.OpenStation()); + } + + void CloseStation(Kernel::HLERequestContext& ctx) { + LOG_INFO(Service_LDN, "called"); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(lan_discovery.CloseStation()); + } + + void Connect(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + struct Parameters { + SecurityConfig security_config; + UserConfig user_config; + u32 local_communication_version; + u32 option; + }; + static_assert(sizeof(Parameters) == 0x7C, "Parameters has incorrect size."); + + const auto parameters{rp.PopRaw<Parameters>()}; + + LOG_INFO(Service_LDN, + "called, passphrase_size={}, security_mode={}, " + "local_communication_version={}", + parameters.security_config.passphrase_size, + parameters.security_config.security_mode, parameters.local_communication_version); + + const std::vector<u8> read_buffer = ctx.ReadBuffer(); + if (read_buffer.size() != sizeof(NetworkInfo)) { + LOG_ERROR(Frontend, "NetworkInfo doesn't match read_buffer size!"); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ResultBadInput); + return; + } + + NetworkInfo network_info{}; + std::memcpy(&network_info, read_buffer.data(), read_buffer.size()); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(lan_discovery.Connect(network_info, parameters.user_config, + static_cast<u16>(parameters.local_communication_version))); + } + + void Disconnect(Kernel::HLERequestContext& ctx) { + LOG_INFO(Service_LDN, "called"); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(lan_discovery.Disconnect()); + } + + void Initialize(Kernel::HLERequestContext& ctx) { + const auto rc = InitializeImpl(ctx); + if (rc.IsError()) { + LOG_ERROR(Service_LDN, "Network isn't initialized, rc={}", rc.raw); + } + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(rc); + } + + void Finalize(Kernel::HLERequestContext& ctx) { + if (auto room_member = room_network.GetRoomMember().lock()) { + room_member->Unbind(ldn_packet_received); + } + + is_initialized = false; + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(lan_discovery.Finalize()); + } + + void Initialize2(Kernel::HLERequestContext& ctx) { + const auto rc = InitializeImpl(ctx); + if (rc.IsError()) { + LOG_ERROR(Service_LDN, "Network isn't initialized, rc={}", rc.raw); + } + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(rc); + } + + Result InitializeImpl(Kernel::HLERequestContext& ctx) { + const auto network_interface = Network::GetSelectedNetworkInterface(); + if (!network_interface) { + LOG_ERROR(Service_LDN, "No network interface is set"); + return ResultAirplaneModeEnabled; + } + + if (auto room_member = room_network.GetRoomMember().lock()) { + ldn_packet_received = room_member->BindOnLdnPacketReceived( + [this](const Network::LDNPacket& packet) { OnLDNPacketReceived(packet); }); + } else { + LOG_ERROR(Service_LDN, "Couldn't bind callback!"); + return ResultAirplaneModeEnabled; + } + + lan_discovery.Initialize([&]() { OnEventFired(); }); + is_initialized = true; + return ResultSuccess; + } + + KernelHelpers::ServiceContext service_context; + Kernel::KEvent* state_change_event; + Network::RoomNetwork& room_network; + LANDiscovery lan_discovery; + + // Callback identifier for the OnLDNPacketReceived event. + Network::RoomMember::CallbackHandle<Network::LDNPacket> ldn_packet_received; bool is_initialized{}; }; @@ -274,7 +650,7 @@ public: LOG_WARNING(Service_LDN, "(STUBBED) called"); IPC::ResponseBuilder rb{ctx, 2}; - rb.Push(ERROR_DISABLED); + rb.Push(ResultDisabled); } }; |