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ldn: Initial implementation

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This commit is contained in:
FearlessTobi
2022-07-31 04:46:26 +02:00
parent 0cef3b47f3
commit f5e635adda
15 changed files with 1134 additions and 126 deletions
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233
src/core/hle/service/ldn/ldn.cpp
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@ -4,11 +4,13 @@
#include <memory>
#include "core/core.h"
#include "core/hle/service/ldn/lan_discovery.h"
#include "core/hle/service/ldn/ldn.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
@ -105,13 +107,13 @@ class IUserLocalCommunicationService final
public:
explicit IUserLocalCommunicationService(Core::System& system_)
: ServiceFramework{system_, "IUserLocalCommunicationService", ServiceThreadType::CreateNew},
service_context{system, "IUserLocalCommunicationService"}, room_network{
system_.GetRoomNetwork()} {
service_context{system, "IUserLocalCommunicationService"},
room_network{system_.GetRoomNetwork()}, lan_discovery{room_network} {
// clang-format off
static const FunctionInfo functions[] = {
{0, &IUserLocalCommunicationService::GetState, "GetState"},
{1, &IUserLocalCommunicationService::GetNetworkInfo, "GetNetworkInfo"},
{2, nullptr, "GetIpv4Address"},
{2, &IUserLocalCommunicationService::GetIpv4Address, "GetIpv4Address"},
{3, &IUserLocalCommunicationService::GetDisconnectReason, "GetDisconnectReason"},
{4, &IUserLocalCommunicationService::GetSecurityParameter, "GetSecurityParameter"},
{5, &IUserLocalCommunicationService::GetNetworkConfig, "GetNetworkConfig"},
@ -119,7 +121,7 @@ public:
{101, &IUserLocalCommunicationService::GetNetworkInfoLatestUpdate, "GetNetworkInfoLatestUpdate"},
{102, &IUserLocalCommunicationService::Scan, "Scan"},
{103, &IUserLocalCommunicationService::ScanPrivate, "ScanPrivate"},
{104, nullptr, "SetWirelessControllerRestriction"},
{104, &IUserLocalCommunicationService::SetWirelessControllerRestriction, "SetWirelessControllerRestriction"},
{200, &IUserLocalCommunicationService::OpenAccessPoint, "OpenAccessPoint"},
{201, &IUserLocalCommunicationService::CloseAccessPoint, "CloseAccessPoint"},
{202, &IUserLocalCommunicationService::CreateNetwork, "CreateNetwork"},
@ -148,16 +150,30 @@ public:
}
~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) {
State state = State::Error;
LOG_WARNING(Service_LDN, "(STUBBED) called, state = {}", state);
if (is_initialized) {
state = lan_discovery.GetState();
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
@ -175,7 +191,7 @@ public:
}
NetworkInfo network_info{};
const auto rc = ResultSuccess;
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};
@ -183,28 +199,52 @@ public:
return;
}
LOG_WARNING(Service_LDN, "(STUBBED) called, ssid='{}', nodes={}",
network_info.common.ssid.GetStringValue(), network_info.ldn.node_count);
ctx.WriteBuffer<NetworkInfo>(network_info);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(rc);
rb.Push(ResultSuccess);
}
void GetIpv4Address(Kernel::HLERequestContext& ctx) {
LOG_CRITICAL(Service_LDN, "called");
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) {
const auto disconnect_reason = DisconnectReason::None;
LOG_WARNING(Service_LDN, "(STUBBED) called, disconnect_reason={}", disconnect_reason);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(disconnect_reason);
rb.PushEnum(lan_discovery.GetDisconnectReason());
}
void GetSecurityParameter(Kernel::HLERequestContext& ctx) {
SecurityParameter security_parameter{};
NetworkInfo info{};
const Result rc = ResultSuccess;
const Result rc = lan_discovery.GetNetworkInfo(info);
if (rc.IsError()) {
LOG_ERROR(Service_LDN, "NetworkInfo is not valid {}", rc.raw);
@ -217,8 +257,6 @@ public:
std::memcpy(security_parameter.data.data(), info.ldn.security_parameter.data(),
sizeof(SecurityParameter::data));
LOG_WARNING(Service_LDN, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 10};
rb.Push(rc);
rb.PushRaw<SecurityParameter>(security_parameter);
@ -227,7 +265,7 @@ public:
void GetNetworkConfig(Kernel::HLERequestContext& ctx) {
NetworkConfig config{};
NetworkInfo info{};
const Result rc = ResultSuccess;
const Result rc = lan_discovery.GetNetworkInfo(info);
if (rc.IsError()) {
LOG_ERROR(Service_LDN, "NetworkConfig is not valid {}", rc.raw);
@ -241,12 +279,6 @@ public:
config.node_count_max = info.ldn.node_count_max;
config.local_communication_version = info.ldn.nodes[0].local_communication_version;
LOG_WARNING(Service_LDN,
"(STUBBED) called, intent_id={}/{}, channel={}, node_count_max={}, "
"local_communication_version={}",
config.intent_id.local_communication_id, config.intent_id.scene_id,
config.channel, config.node_count_max, config.local_communication_version);
IPC::ResponseBuilder rb{ctx, 10};
rb.Push(rc);
rb.PushRaw<NetworkConfig>(config);
@ -265,17 +297,17 @@ public:
const std::size_t node_buffer_count = ctx.GetWriteBufferSize(1) / sizeof(NodeLatestUpdate);
if (node_buffer_count == 0 || network_buffer_size != sizeof(NetworkInfo)) {
LOG_ERROR(Service_LDN, "Invalid buffer size {}, {}", network_buffer_size,
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;
NetworkInfo info{};
std::vector<NodeLatestUpdate> latest_update(node_buffer_count);
const auto rc = ResultSuccess;
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};
@ -283,9 +315,6 @@ public:
return;
}
LOG_WARNING(Service_LDN, "(STUBBED) called, ssid='{}', nodes={}",
info.common.ssid.GetStringValue(), info.ldn.node_count);
ctx.WriteBuffer(info, 0);
ctx.WriteBuffer(latest_update, 1);
@ -317,92 +346,78 @@ public:
u16 count = 0;
std::vector<NetworkInfo> network_infos(network_info_size);
Result rc = lan_discovery.Scan(network_infos, count, scan_filter);
LOG_WARNING(Service_LDN,
"(STUBBED) called, channel={}, filter_scan_flag={}, filter_network_type={}",
channel, scan_filter.flag, scan_filter.network_type);
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(ResultSuccess);
rb.Push(rc);
rb.Push<u32>(count);
}
void OpenAccessPoint(Kernel::HLERequestContext& ctx) {
void SetWirelessControllerRestriction(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_LDN, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
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_WARNING(Service_LDN, "(STUBBED) called");
LOG_INFO(Service_LDN, "called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
rb.Push(lan_discovery.CloseAccessPoint());
}
void CreateNetwork(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
struct Parameters {
SecurityConfig security_config;
UserConfig user_config;
INSERT_PADDING_WORDS_NOINIT(1);
NetworkConfig network_config;
};
static_assert(sizeof(Parameters) == 0x98, "Parameters has incorrect size.");
LOG_INFO(Service_LDN, "called");
const auto parameters{rp.PopRaw<Parameters>()};
LOG_WARNING(Service_LDN,
"(STUBBED) called, passphrase_size={}, security_mode={}, "
"local_communication_version={}",
parameters.security_config.passphrase_size,
parameters.security_config.security_mode,
parameters.network_config.local_communication_version);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
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};
struct Parameters {
SecurityConfig security_config;
SecurityParameter security_parameter;
UserConfig user_config;
NetworkConfig network_config;
};
static_assert(sizeof(Parameters) == 0xB8, "Parameters has incorrect size.");
const auto parameters{rp.PopRaw<Parameters>()};
LOG_WARNING(Service_LDN,
"(STUBBED) called, passphrase_size={}, security_mode={}, "
"local_communication_version={}",
parameters.security_config.passphrase_size,
parameters.security_config.security_mode,
parameters.network_config.local_communication_version);
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(ResultSuccess);
rb.Push(lan_discovery.CreateNetwork(security_config, user_config, network_Config));
}
void DestroyNetwork(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_LDN, "(STUBBED) called");
LOG_INFO(Service_LDN, "called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
rb.Push(lan_discovery.DestroyNetwork());
}
void SetAdvertiseData(Kernel::HLERequestContext& ctx) {
std::vector<u8> read_buffer = ctx.ReadBuffer();
LOG_WARNING(Service_LDN, "(STUBBED) called, size {}", read_buffer.size());
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
rb.Push(lan_discovery.SetAdvertiseData(read_buffer));
}
void SetStationAcceptPolicy(Kernel::HLERequestContext& ctx) {
@ -420,17 +435,17 @@ public:
}
void OpenStation(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_LDN, "(STUBBED) called");
LOG_INFO(Service_LDN, "called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
rb.Push(lan_discovery.OpenStation());
}
void CloseStation(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_LDN, "(STUBBED) called");
LOG_INFO(Service_LDN, "called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
rb.Push(lan_discovery.CloseStation());
}
void Connect(Kernel::HLERequestContext& ctx) {
@ -445,16 +460,13 @@ public:
const auto parameters{rp.PopRaw<Parameters>()};
LOG_WARNING(Service_LDN,
"(STUBBED) called, passphrase_size={}, security_mode={}, "
"local_communication_version={}",
parameters.security_config.passphrase_size,
parameters.security_config.security_mode,
parameters.local_communication_version);
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();
NetworkInfo network_info{};
if (read_buffer.size() != sizeof(NetworkInfo)) {
LOG_ERROR(Frontend, "NetworkInfo doesn't match read_buffer size!");
IPC::ResponseBuilder rb{ctx, 2};
@ -462,40 +474,47 @@ public:
return;
}
NetworkInfo network_info{};
std::memcpy(&network_info, read_buffer.data(), read_buffer.size());
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
rb.Push(lan_discovery.Connect(network_info, parameters.user_config,
static_cast<u16>(parameters.local_communication_version)));
}
void Disconnect(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_LDN, "(STUBBED) called");
LOG_INFO(Service_LDN, "called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
rb.Push(lan_discovery.Disconnect());
}
void Initialize(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_LDN, "(STUBBED) called");
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) {
LOG_WARNING(Service_LDN, "(STUBBED) called");
if (auto room_member = room_network.GetRoomMember().lock()) {
room_member->Unbind(ldn_packet_received);
}
is_initialized = false;
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
rb.Push(lan_discovery.Finalize());
}
void Initialize2(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_LDN, "(STUBBED) called");
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);
@ -508,14 +527,26 @@ public:
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;
// TODO (flTobi): Change this to ResultSuccess when LDN is fully implemented
return ResultAirplaneModeEnabled;
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{};
};