yuzu-emu
/
yuzu
Archived
1
0
Fork 0
Code

core, network: Add ability to proxy socket packets

This commit is contained in:
FearlessTobi 2022-07-30 05:58:23 +02:00
parent 035ca99b02
commit f80c7c4cd5
28 changed files with 1039 additions and 537 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/common/CMakeLists.txt
View File

@ -124,6 +124,7 @@ add_library(common STATIC
settings.h
settings_input.cpp
settings_input.h
socket_types.h
spin_lock.cpp
spin_lock.h
stream.cpp

10
src/common/announce_multiplayer_room.h
View File

@ -8,12 +8,11 @@
#include <string>
#include <vector>
#include "common/common_types.h"
#include "common/socket_types.h"
#include "web_service/web_result.h"
namespace AnnounceMultiplayerRoom {
using MacAddress = std::array<u8, 6>;
struct GameInfo {
std::string name{""};
u64 id{0};
@ -24,7 +23,7 @@ struct Member {
std::string nickname;
std::string display_name;
std::string avatar_url;
MacAddress mac_address;
Network::IPv4Address fake_ip;
GameInfo game;
};
@ -75,10 +74,7 @@ public:
const bool has_password, const GameInfo& preferred_game) = 0;
/**
* Adds a player information to the data that gets announced
* @param nickname The nickname of the player
* @param mac_address The MAC Address of the player
* @param game_id The title id of the game the player plays
* @param game_name The name of the game the player plays
* @param member The player to add
*/
virtual void AddPlayer(const Member& member) = 0;

52
src/common/socket_types.h Normal file
View File

@ -0,0 +1,52 @@
// Copyright 2022 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
namespace Network {
/// Address families
enum class Domain : u8 {
INET, ///< Address family for IPv4
};
/// Socket types
enum class Type {
STREAM,
DGRAM,
RAW,
SEQPACKET,
};
/// Protocol values for sockets
enum class Protocol : u8 {
ICMP,
TCP,
UDP,
};
/// Shutdown mode
enum class ShutdownHow {
RD,
WR,
RDWR,
};
/// Array of IPv4 address
using IPv4Address = std::array<u8, 4>;
/// Cross-platform sockaddr structure
struct SockAddrIn {
Domain family;
IPv4Address ip;
u16 portno;
};
constexpr u32 FLAG_MSG_PEEK = 0x2;
constexpr u32 FLAG_MSG_DONTWAIT = 0x80;
constexpr u32 FLAG_O_NONBLOCK = 0x800;
} // namespace Network

2
src/core/CMakeLists.txt
View File

@ -724,6 +724,8 @@ add_library(core STATIC
internal_network/network_interface.cpp
internal_network/network_interface.h
internal_network/sockets.h
internal_network/socket_proxy.cpp
internal_network/socket_proxy.h
loader/deconstructed_rom_directory.cpp
loader/deconstructed_rom_directory.h
loader/kip.cpp

93
src/core/hle/service/nifm/nifm.cpp
View File

@ -6,7 +6,6 @@
#include "core/hle/kernel/k_event.h"
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/nifm/nifm.h"
#include "core/hle/service/service.h"
namespace {
@ -271,44 +270,39 @@ public:
}
};
class IGeneralService final : public ServiceFramework<IGeneralService> {
public:
explicit IGeneralService(Core::System& system_);
private:
void GetClientId(Kernel::HLERequestContext& ctx) {
void IGeneralService::GetClientId(Kernel::HLERequestContext& ctx) {
static constexpr u32 client_id = 1;
LOG_WARNING(Service_NIFM, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<u64>(client_id); // Client ID needs to be non zero otherwise it's considered invalid
}
}
void CreateScanRequest(Kernel::HLERequestContext& ctx) {
void IGeneralService::CreateScanRequest(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NIFM, "called");
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(ResultSuccess);
rb.PushIpcInterface<IScanRequest>(system);
}
}
void CreateRequest(Kernel::HLERequestContext& ctx) {
void IGeneralService::CreateRequest(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NIFM, "called");
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(ResultSuccess);
rb.PushIpcInterface<IRequest>(system);
}
}
void GetCurrentNetworkProfile(Kernel::HLERequestContext& ctx) {
void IGeneralService::GetCurrentNetworkProfile(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NIFM, "(STUBBED) called");
const auto net_iface = Network::GetSelectedNetworkInterface();
const SfNetworkProfileData network_profile_data = [&net_iface] {
SfNetworkProfileData network_profile_data = [&net_iface] {
if (!net_iface) {
return SfNetworkProfileData{};
}
@ -346,20 +340,28 @@ private:
};
}();
// When we're connected to a room, spoof the hosts IP address
if (auto room_member = network.GetRoomMember().lock()) {
if (room_member->IsConnected()) {
network_profile_data.ip_setting_data.ip_address_setting.current_address =
room_member->GetFakeIpAddress();
}
}
ctx.WriteBuffer(network_profile_data);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
}
void RemoveNetworkProfile(Kernel::HLERequestContext& ctx) {
void IGeneralService::RemoveNetworkProfile(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NIFM, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
}
void GetCurrentIpAddress(Kernel::HLERequestContext& ctx) {
void IGeneralService::GetCurrentIpAddress(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NIFM, "(STUBBED) called");
auto ipv4 = Network::GetHostIPv4Address();
@ -368,16 +370,21 @@ private:
ipv4.emplace(Network::IPv4Address{0, 0, 0, 0});
}
// When we're connected to a room, spoof the hosts IP address
if (auto room_member = network.GetRoomMember().lock()) {
if (room_member->IsConnected()) {
ipv4 = room_member->GetFakeIpAddress();
}
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushRaw(*ipv4);
}
void CreateTemporaryNetworkProfile(Kernel::HLERequestContext& ctx) {
}
void IGeneralService::CreateTemporaryNetworkProfile(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NIFM, "called");
ASSERT_MSG(ctx.GetReadBufferSize() == 0x17c,
"SfNetworkProfileData is not the correct size");
ASSERT_MSG(ctx.GetReadBufferSize() == 0x17c, "SfNetworkProfileData is not the correct size");
u128 uuid{};
auto buffer = ctx.ReadBuffer();
std::memcpy(&uuid, buffer.data() + 8, sizeof(u128));
@ -387,9 +394,9 @@ private:
rb.Push(ResultSuccess);
rb.PushIpcInterface<INetworkProfile>(system);
rb.PushRaw<u128>(uuid);
}
}
void GetCurrentIpConfigInfo(Kernel::HLERequestContext& ctx) {
void IGeneralService::GetCurrentIpConfigInfo(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NIFM, "(STUBBED) called");
struct IpConfigInfo {
@ -401,7 +408,7 @@ private:
const auto net_iface = Network::GetSelectedNetworkInterface();
const IpConfigInfo ip_config_info = [&net_iface] {
IpConfigInfo ip_config_info = [&net_iface] {
if (!net_iface) {
return IpConfigInfo{};
}
@ -421,20 +428,27 @@ private:
};
}();
// When we're connected to a room, spoof the hosts IP address
if (auto room_member = network.GetRoomMember().lock()) {
if (room_member->IsConnected()) {
ip_config_info.ip_address_setting.current_address = room_member->GetFakeIpAddress();
}
}
IPC::ResponseBuilder rb{ctx, 2 + (sizeof(IpConfigInfo) + 3) / sizeof(u32)};
rb.Push(ResultSuccess);
rb.PushRaw<IpConfigInfo>(ip_config_info);
}
}
void IsWirelessCommunicationEnabled(Kernel::HLERequestContext& ctx) {
void IGeneralService::IsWirelessCommunicationEnabled(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NIFM, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<u8>(0);
}
rb.Push<u8>(1);
}
void GetInternetConnectionStatus(Kernel::HLERequestContext& ctx) {
void IGeneralService::GetInternetConnectionStatus(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NIFM, "(STUBBED) called");
struct Output {
@ -449,9 +463,9 @@ private:
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushRaw(out);
}
}
void IsEthernetCommunicationEnabled(Kernel::HLERequestContext& ctx) {
void IGeneralService::IsEthernetCommunicationEnabled(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NIFM, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 3};
@ -461,10 +475,10 @@ private:
} else {
rb.Push<u8>(0);
}
}
}
void IsAnyInternetRequestAccepted(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NIFM, "(STUBBED) called");
void IGeneralService::IsAnyInternetRequestAccepted(Kernel::HLERequestContext& ctx) {
LOG_ERROR(Service_NIFM, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
@ -473,11 +487,10 @@ private:
} else {
rb.Push<u8>(0);
}
}
};
}
IGeneralService::IGeneralService(Core::System& system_)
: ServiceFramework{system_, "IGeneralService"} {
: ServiceFramework{system_, "IGeneralService"}, network{system_.GetRoomNetwork()} {
// clang-format off
static const FunctionInfo functions[] = {
{1, &IGeneralService::GetClientId, "GetClientId"},
@ -528,6 +541,8 @@ IGeneralService::IGeneralService(Core::System& system_)
RegisterHandlers(functions);
}
IGeneralService::~IGeneralService() = default;
class NetworkInterface final : public ServiceFramework<NetworkInterface> {
public:
explicit NetworkInterface(const char* name, Core::System& system_)

27
src/core/hle/service/nifm/nifm.h
View File

@ -3,6 +3,11 @@
#pragma once
#include "core/hle/service/service.h"
#include "network/network.h"
#include "network/room.h"
#include "network/room_member.h"
namespace Core {
class System;
}
@ -16,4 +21,26 @@ namespace Service::NIFM {
/// Registers all NIFM services with the specified service manager.
void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system);
class IGeneralService final : public ServiceFramework<IGeneralService> {
public:
explicit IGeneralService(Core::System& system_);
~IGeneralService() override;
private:
void GetClientId(Kernel::HLERequestContext& ctx);
void CreateScanRequest(Kernel::HLERequestContext& ctx);
void CreateRequest(Kernel::HLERequestContext& ctx);
void GetCurrentNetworkProfile(Kernel::HLERequestContext& ctx);
void RemoveNetworkProfile(Kernel::HLERequestContext& ctx);
void GetCurrentIpAddress(Kernel::HLERequestContext& ctx);
void CreateTemporaryNetworkProfile(Kernel::HLERequestContext& ctx);
void GetCurrentIpConfigInfo(Kernel::HLERequestContext& ctx);
void IsWirelessCommunicationEnabled(Kernel::HLERequestContext& ctx);
void GetInternetConnectionStatus(Kernel::HLERequestContext& ctx);
void IsEthernetCommunicationEnabled(Kernel::HLERequestContext& ctx);
void IsAnyInternetRequestAccepted(Kernel::HLERequestContext& ctx);
Network::RoomNetwork& network;
};
} // namespace Service::NIFM

38
src/core/hle/service/sockets/bsd.cpp
View File

@ -9,12 +9,16 @@
#include <fmt/format.h>
#include "common/microprofile.h"
#include "common/socket_types.h"
#include "core/core.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/service/sockets/bsd.h"
#include "core/hle/service/sockets/sockets_translate.h"
#include "core/internal_network/network.h"
#include "core/internal_network/socket_proxy.h"
#include "core/internal_network/sockets.h"
#include "network/network.h"
namespace Service::Sockets {
@ -472,7 +476,13 @@ std::pair<s32, Errno> BSD::SocketImpl(Domain domain, Type type, Protocol protoco
LOG_INFO(Service, "New socket fd={}", fd);
auto room_member = room_network.GetRoomMember().lock();
if (room_member && room_member->IsConnected()) {
descriptor.socket = std::make_unique<Network::ProxySocket>(room_network);
} else {
descriptor.socket = std::make_unique<Network::Socket>();
}
descriptor.socket->Initialize(Translate(domain), Translate(type), Translate(type, protocol));
descriptor.is_connection_based = IsConnectionBased(type);
@ -648,7 +658,7 @@ std::pair<s32, Errno> BSD::FcntlImpl(s32 fd, FcntlCmd cmd, s32 arg) {
ASSERT(arg == 0);
return {descriptor.flags, Errno::SUCCESS};
case FcntlCmd::SETFL: {
const bool enable = (arg & FLAG_O_NONBLOCK) != 0;
const bool enable = (arg & Network::FLAG_O_NONBLOCK) != 0;
const Errno bsd_errno = Translate(descriptor.socket->SetNonBlock(enable));
if (bsd_errno != Errno::SUCCESS) {
return {-1, bsd_errno};
@ -669,7 +679,7 @@ Errno BSD::SetSockOptImpl(s32 fd, u32 level, OptName optname, size_t optlen, con
return Errno::BADF;
}
Network::Socket* const socket = file_descriptors[fd]->socket.get();
Network::SocketBase* const socket = file_descriptors[fd]->socket.get();
if (optname == OptName::LINGER) {
ASSERT(optlen == sizeof(Linger));
@ -724,6 +734,8 @@ std::pair<s32, Errno> BSD::RecvImpl(s32 fd, u32 flags, std::vector<u8>& message)
FileDescriptor& descriptor = *file_descriptors[fd];
// Apply flags
using Network::FLAG_MSG_DONTWAIT;
using Network::FLAG_O_NONBLOCK;
if ((flags & FLAG_MSG_DONTWAIT) != 0) {
flags &= ~FLAG_MSG_DONTWAIT;
if ((descriptor.flags & FLAG_O_NONBLOCK) == 0) {
@ -759,6 +771,8 @@ std::pair<s32, Errno> BSD::RecvFromImpl(s32 fd, u32 flags, std::vector<u8>& mess
}
// Apply flags
using Network::FLAG_MSG_DONTWAIT;
using Network::FLAG_O_NONBLOCK;
if ((flags & FLAG_MSG_DONTWAIT) != 0) {
flags &= ~FLAG_MSG_DONTWAIT;
if ((descriptor.flags & FLAG_O_NONBLOCK) == 0) {
@ -857,8 +871,19 @@ void BSD::BuildErrnoResponse(Kernel::HLERequestContext& ctx, Errno bsd_errno) co
rb.PushEnum(bsd_errno);
}
void BSD::OnProxyPacketReceived(const Network::ProxyPacket& packet) {
for (auto& optional_descriptor : file_descriptors) {
if (!optional_descriptor.has_value()) {
continue;
}
FileDescriptor& descriptor = *optional_descriptor;
descriptor.socket.get()->HandleProxyPacket(packet);
}
}
BSD::BSD(Core::System& system_, const char* name)
: ServiceFramework{system_, name, ServiceThreadType::CreateNew} {
: ServiceFramework{system_, name, ServiceThreadType::CreateNew}, room_network{
system_.GetRoomNetwork()} {
// clang-format off
static const FunctionInfo functions[] = {
{0, &BSD::RegisterClient, "RegisterClient"},
@ -899,6 +924,13 @@ BSD::BSD(Core::System& system_, const char* name)
// clang-format on
RegisterHandlers(functions);
if (auto room_member = room_network.GetRoomMember().lock()) {
proxy_packet_received = room_member->BindOnProxyPacketReceived(
[this](const Network::ProxyPacket& packet) { OnProxyPacketReceived(packet); });
} else {
LOG_ERROR(Service, "Network isn't initalized");
}
}
BSD::~BSD() = default;

13
src/core/hle/service/sockets/bsd.h
View File

@ -7,14 +7,17 @@
#include <vector>
#include "common/common_types.h"
#include "common/socket_types.h"
#include "core/hle/service/service.h"
#include "core/hle/service/sockets/sockets.h"
#include "network/network.h"
namespace Core {
class System;
}
namespace Network {
class SocketBase;
class Socket;
} // namespace Network
@ -30,7 +33,7 @@ private:
static constexpr size_t MAX_FD = 128;
struct FileDescriptor {
std::unique_ptr<Network::Socket> socket;
std::unique_ptr<Network::SocketBase> socket;
s32 flags = 0;
bool is_connection_based = false;
};
@ -165,6 +168,14 @@ private:
void BuildErrnoResponse(Kernel::HLERequestContext& ctx, Errno bsd_errno) const noexcept;
std::array<std::optional<FileDescriptor>, MAX_FD> file_descriptors;
Network::RoomNetwork& room_network;
/// Callback to parse and handle a received wifi packet.
void OnProxyPacketReceived(const Network::ProxyPacket& packet);
// Callback identifier for the OnProxyPacketReceived event.
Network::RoomMember::CallbackHandle<Network::ProxyPacket> proxy_packet_received;
};
class BSDCFG final : public ServiceFramework<BSDCFG> {

6
src/core/hle/service/sockets/sockets.h
View File

@ -22,7 +22,9 @@ enum class Errno : u32 {
AGAIN = 11,
INVAL = 22,
MFILE = 24,
MSGSIZE = 90,
NOTCONN = 107,
TIMEDOUT = 110,
};
enum class Domain : u32 {
@ -96,10 +98,6 @@ struct Linger {
u32 linger;
};
constexpr u32 FLAG_MSG_DONTWAIT = 0x80;
constexpr u32 FLAG_O_NONBLOCK = 0x800;
/// Registers all Sockets services with the specified service manager.
void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system);

2
src/core/hle/service/sockets/sockets_translate.cpp
View File

@ -25,6 +25,8 @@ Errno Translate(Network::Errno value) {
return Errno::MFILE;
case Network::Errno::NOTCONN:
return Errno::NOTCONN;
case Network::Errno::TIMEDOUT:
return Errno::TIMEDOUT;
default:
UNIMPLEMENTED_MSG("Unimplemented errno={}", value);
return Errno::SUCCESS;

59
src/core/internal_network/network.cpp
View File

@ -32,6 +32,7 @@
#include "core/internal_network/network.h"
#include "core/internal_network/network_interface.h"
#include "core/internal_network/sockets.h"
#include "network/network.h"
namespace Network {
@ -114,7 +115,10 @@ Errno TranslateNativeError(int e) {
return Errno::NETDOWN;
case WSAENETUNREACH:
return Errno::NETUNREACH;
case WSAEMSGSIZE:
return Errno::MSGSIZE;
default:
UNIMPLEMENTED_MSG("Unimplemented errno={}", e);
return Errno::OTHER;
}
}
@ -125,7 +129,6 @@ using SOCKET = int;
using WSAPOLLFD = pollfd;
using ULONG = u64;
constexpr SOCKET INVALID_SOCKET = -1;
constexpr SOCKET SOCKET_ERROR = -1;
constexpr int SD_RECEIVE = SHUT_RD;
@ -206,7 +209,10 @@ Errno TranslateNativeError(int e) {
return Errno::NETDOWN;
case ENETUNREACH:
return Errno::NETUNREACH;
case EMSGSIZE:
return Errno::MSGSIZE;
default:
UNIMPLEMENTED_MSG("Unimplemented errno={}", e);
return Errno::OTHER;
}
}
@ -329,16 +335,6 @@ PollEvents TranslatePollRevents(short revents) {
return result;
}
template <typename T>
Errno SetSockOpt(SOCKET fd, int option, T value) {
const int result =
setsockopt(fd, SOL_SOCKET, option, reinterpret_cast<const char*>(&value), sizeof(value));
if (result != SOCKET_ERROR) {
return Errno::SUCCESS;
}
return GetAndLogLastError();
}
} // Anonymous namespace
NetworkInstance::NetworkInstance() {
@ -350,26 +346,15 @@ NetworkInstance::~NetworkInstance() {
}
std::optional<IPv4Address> GetHostIPv4Address() {
const std::string& selected_network_interface = Settings::values.network_interface.GetValue();
const auto network_interfaces = Network::GetAvailableNetworkInterfaces();
if (network_interfaces.size() == 0) {
LOG_ERROR(Network, "GetAvailableNetworkInterfaces returned no interfaces");
const auto interface = Network::GetSelectedNetworkInterface();
if (!interface.has_value()) {
LOG_ERROR(Network, "GetSelectedNetworkInterface returned no interface");
return {};
}
const auto res =
std::ranges::find_if(network_interfaces, [&selected_network_interface](const auto& iface) {
return iface.name == selected_network_interface;
});
if (res != network_interfaces.end()) {
char ip_addr[16] = {};
ASSERT(inet_ntop(AF_INET, &res->ip_address, ip_addr, sizeof(ip_addr)) != nullptr);
return TranslateIPv4(res->ip_address);
} else {
LOG_ERROR(Network, "Couldn't find selected interface \"{}\"", selected_network_interface);
return {};
}
ASSERT(inet_ntop(AF_INET, &interface->ip_address, ip_addr, sizeof(ip_addr)) != nullptr);
return TranslateIPv4(interface->ip_address);
}
std::pair<s32, Errno> Poll(std::vector<PollFD>& pollfds, s32 timeout) {
@ -412,7 +397,19 @@ Socket::~Socket() {
fd = INVALID_SOCKET;
}
Socket::Socket(Socket&& rhs) noexcept : fd{std::exchange(rhs.fd, INVALID_SOCKET)} {}
Socket::Socket(Socket&& rhs) noexcept {
fd = std::exchange(rhs.fd, INVALID_SOCKET);
}
template <typename T>
Errno Socket::SetSockOpt(SOCKET _fd, int option, T value) {
const int result =
setsockopt(_fd, SOL_SOCKET, option, reinterpret_cast<const char*>(&value), sizeof(value));
if (result != SOCKET_ERROR) {
return Errno::SUCCESS;
}
return GetAndLogLastError();
}
Errno Socket::Initialize(Domain domain, Type type, Protocol protocol) {
fd = socket(TranslateDomain(domain), TranslateType(type), TranslateProtocol(protocol));
@ -423,7 +420,7 @@ Errno Socket::Initialize(Domain domain, Type type, Protocol protocol) {
return GetAndLogLastError();
}
std::pair<Socket::AcceptResult, Errno> Socket::Accept() {
std::pair<SocketBase::AcceptResult, Errno> Socket::Accept() {
sockaddr addr;
socklen_t addrlen = sizeof(addr);
const SOCKET new_socket = accept(fd, &addr, &addrlen);
@ -634,4 +631,8 @@ bool Socket::IsOpened() const {
return fd != INVALID_SOCKET;
}
void Socket::HandleProxyPacket(const ProxyPacket& packet) {
LOG_WARNING(Network, "ProxyPacket received, but not in Proxy mode!");
}
} // namespace Network

43
src/core/internal_network/network.h
View File

@ -8,6 +8,7 @@
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/socket_types.h"
#ifdef _WIN32
#include <winsock2.h>
@ -17,6 +18,7 @@
namespace Network {
class SocketBase;
class Socket;
/// Error code for network functions
@ -31,46 +33,11 @@ enum class Errno {
HOSTUNREACH,
NETDOWN,
NETUNREACH,
TIMEDOUT,
MSGSIZE,
OTHER,
};
/// Address families
enum class Domain {
INET, ///< Address family for IPv4
};
/// Socket types
enum class Type {
STREAM,
DGRAM,
RAW,
SEQPACKET,
};
/// Protocol values for sockets
enum class Protocol {
ICMP,
TCP,
UDP,
};
/// Shutdown mode
enum class ShutdownHow {
RD,
WR,
RDWR,
};
/// Array of IPv4 address
using IPv4Address = std::array<u8, 4>;
/// Cross-platform sockaddr structure
struct SockAddrIn {
Domain family;
IPv4Address ip;
u16 portno;
};
/// Cross-platform poll fd structure
enum class PollEvents : u16 {
@ -86,7 +53,7 @@ enum class PollEvents : u16 {
DECLARE_ENUM_FLAG_OPERATORS(PollEvents);
struct PollFD {
Socket* socket;
SocketBase* socket;
PollEvents events;
PollEvents revents;
};

282
src/core/internal_network/socket_proxy.cpp Normal file
View File

@ -0,0 +1,282 @@
// Copyright 2022 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <chrono>
#include <thread>
#include "common/assert.h"
#include "common/logging/log.h"
#include "core/internal_network/network.h"
#include "core/internal_network/network_interface.h"
#include "core/internal_network/socket_proxy.h"
namespace Network {
ProxySocket::ProxySocket(RoomNetwork& room_network_) noexcept : room_network{room_network_} {}
ProxySocket::ProxySocket(ProxySocket&& rhs) noexcept : room_network{rhs.room_network} {
fd = std::exchange(rhs.fd, INVALID_SOCKET);
}
ProxySocket::~ProxySocket() {
if (fd == INVALID_SOCKET) {
return;
}
fd = INVALID_SOCKET;
}
void ProxySocket::HandleProxyPacket(const ProxyPacket& packet) {
if (protocol != packet.protocol || local_endpoint.portno != packet.remote_endpoint.portno ||
closed) {
return;
}
std::lock_guard<std::mutex> guard(packets_mutex);
received_packets.push(packet);
}
template <typename T>
Errno ProxySocket::SetSockOpt(SOCKET _fd, int option, T value) {
socket_options[option] = reinterpret_cast<const char*>(&value);
return Errno::SUCCESS;
}
Errno ProxySocket::Initialize(Domain domain, Type type, Protocol socket_protocol) {
protocol = socket_protocol;
socket_options[0x1008] = reinterpret_cast<const char*>(&type);
return Errno::SUCCESS;
}
std::pair<ProxySocket::AcceptResult, Errno> ProxySocket::Accept() {
LOG_WARNING(Network, "(STUBBED) called");
return {AcceptResult{}, Errno::SUCCESS};
}
Errno ProxySocket::Connect(SockAddrIn addr_in) {
LOG_WARNING(Network, "(STUBBED) called");
return Errno::SUCCESS;
}
std::pair<SockAddrIn, Errno> ProxySocket::GetPeerName() {
LOG_WARNING(Network, "(STUBBED) called");
return {SockAddrIn{}, Errno::SUCCESS};
}
std::pair<SockAddrIn, Errno> ProxySocket::GetSockName() {
LOG_WARNING(Network, "(STUBBED) called");
return {SockAddrIn{}, Errno::SUCCESS};
}
Errno ProxySocket::Bind(SockAddrIn addr) {
if (is_bound) {
LOG_WARNING(Network, "Rebinding Socket is unimplemented!");
return Errno::SUCCESS;
}
local_endpoint = addr;
is_bound = true;
return Errno::SUCCESS;
}
Errno ProxySocket::Listen(s32 backlog) {
LOG_WARNING(Network, "(STUBBED) called");
return Errno::SUCCESS;
}
Errno ProxySocket::Shutdown(ShutdownHow how) {
LOG_WARNING(Network, "(STUBBED) called");
return Errno::SUCCESS;
}
std::pair<s32, Errno> ProxySocket::Recv(int flags, std::vector<u8>& message) {
LOG_WARNING(Network, "(STUBBED) called");
ASSERT(flags == 0);
ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
return {static_cast<s32>(0), Errno::SUCCESS};
}
std::pair<s32, Errno> ProxySocket::RecvFrom(int flags, std::vector<u8>& message, SockAddrIn* addr) {
ASSERT(flags == 0);
ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
{
std::lock_guard<std::mutex> guard(packets_mutex);
if (received_packets.size() > 0) {
return ReceivePacket(flags, message, addr, message.size());
}
}
if (blocking) {
if (receive_timeout > 0) {
std::this_thread::sleep_for(std::chrono::milliseconds(receive_timeout));
}
} else {
return {-1, Errno::AGAIN};
}
std::lock_guard<std::mutex> guard(packets_mutex);
if (received_packets.size() > 0) {
return ReceivePacket(flags, message, addr, message.size());
}
return {-1, Errno::TIMEDOUT};
}
std::pair<s32, Errno> ProxySocket::ReceivePacket(int flags, std::vector<u8>& message,
SockAddrIn* addr, std::size_t max_length) {
ProxyPacket& packet = received_packets.front();
if (addr) {
addr->family = Domain::INET;
addr->ip = packet.local_endpoint.ip; // The senders ip address
addr->portno = packet.local_endpoint.portno; // The senders port number
}
bool peek = (flags & FLAG_MSG_PEEK) != 0;
std::size_t read_bytes;
if (packet.data.size() > max_length) {
read_bytes = max_length;
message.clear();
std::copy(packet.data.begin(), packet.data.begin() + read_bytes,
std::back_inserter(message));
message.resize(max_length);
if (protocol == Protocol::UDP) {
if (!peek) {
received_packets.pop();
}
return {-1, Errno::MSGSIZE};
} else if (protocol == Protocol::TCP) {
std::vector<u8> numArray(packet.data.size() - max_length);
std::copy(packet.data.begin() + max_length, packet.data.end(),
std::back_inserter(numArray));
packet.data = numArray;
}
} else {
read_bytes = packet.data.size();
message.clear();
std::copy(packet.data.begin(), packet.data.end(), std::back_inserter(message));
message.resize(max_length);
if (!peek) {
received_packets.pop();
}
}
return {static_cast<u32>(read_bytes), Errno::SUCCESS};
}
std::pair<s32, Errno> ProxySocket::Send(const std::vector<u8>& message, int flags) {
LOG_WARNING(Network, "(STUBBED) called");
ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
ASSERT(flags == 0);
return {static_cast<s32>(0), Errno::SUCCESS};
}
void ProxySocket::SendPacket(ProxyPacket& packet) {
if (auto room_member = room_network.GetRoomMember().lock()) {
if (room_member->IsConnected()) {
room_member->SendProxyPacket(packet);
}
}
}
std::pair<s32, Errno> ProxySocket::SendTo(u32 flags, const std::vector<u8>& message,
const SockAddrIn* addr) {
ASSERT(flags == 0);
if (!is_bound) {
LOG_ERROR(Network, "ProxySocket is not bound!");
return {static_cast<s32>(message.size()), Errno::SUCCESS};
}
if (auto room_member = room_network.GetRoomMember().lock()) {
if (!room_member->IsConnected()) {
return {static_cast<s32>(message.size()), Errno::SUCCESS};
}
}
ProxyPacket packet;
packet.local_endpoint = local_endpoint;
packet.remote_endpoint = *addr;
packet.protocol = protocol;
packet.broadcast = broadcast;
auto& ip = local_endpoint.ip;
auto ipv4 = Network::GetHostIPv4Address();
// If the ip is all zeroes (INADDR_ANY) or if it matches the hosts ip address,
// replace it with a "fake" routing address
if (std::all_of(ip.begin(), ip.end(), [](u8 i) { return i == 0; }) || (ipv4 && ipv4 == ip)) {
if (auto room_member = room_network.GetRoomMember().lock()) {
packet.local_endpoint.ip = room_member->GetFakeIpAddress();
}
}
packet.data.clear();
std::copy(message.begin(), message.end(), std::back_inserter(packet.data));
SendPacket(packet);
return {static_cast<s32>(message.size()), Errno::SUCCESS};
}
Errno ProxySocket::Close() {
fd = INVALID_SOCKET;
closed = true;
return Errno::SUCCESS;
}
Errno ProxySocket::SetLinger(bool enable, u32 linger) {
struct Linger {
u16 linger_enable;
u16 linger_time;
} values;
values.linger_enable = enable ? 1 : 0;
values.linger_time = static_cast<u16>(linger);
return SetSockOpt(fd, SO_LINGER, values);
}
Errno ProxySocket::SetReuseAddr(bool enable) {
return SetSockOpt<u32>(fd, SO_REUSEADDR, enable ? 1 : 0);
}
Errno ProxySocket::SetBroadcast(bool enable) {
broadcast = enable;
return SetSockOpt<u32>(fd, SO_BROADCAST, enable ? 1 : 0);
}
Errno ProxySocket::SetSndBuf(u32 value) {
return SetSockOpt(fd, SO_SNDBUF, value);
}
Errno ProxySocket::SetKeepAlive(bool enable) {
return Errno::SUCCESS;
}
Errno ProxySocket::SetRcvBuf(u32 value) {
return SetSockOpt(fd, SO_RCVBUF, value);
}
Errno ProxySocket::SetSndTimeo(u32 value) {
send_timeout = value;
return SetSockOpt(fd, SO_SNDTIMEO, static_cast<int>(value));
}
Errno ProxySocket::SetRcvTimeo(u32 value) {
receive_timeout = value;
return SetSockOpt(fd, SO_RCVTIMEO, static_cast<int>(value));
}
Errno ProxySocket::SetNonBlock(bool enable) {
blocking = !enable;
return Errno::SUCCESS;
}
bool ProxySocket::IsOpened() const {
return fd != INVALID_SOCKET;
}
} // namespace Network

102
src/core/internal_network/socket_proxy.h Normal file
View File

@ -0,0 +1,102 @@
// Copyright 2022 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <mutex>
#include <vector>
#include <queue>
#include "core/internal_network/sockets.h"
#include "network/network.h"
namespace Network {
class ProxySocket : public SocketBase {
public:
ProxySocket(RoomNetwork& room_network_) noexcept;
~ProxySocket() override;
ProxySocket(const ProxySocket&) = delete;
ProxySocket& operator=(const ProxySocket&) = delete;
ProxySocket(ProxySocket&& rhs) noexcept;
// Avoid closing sockets implicitly
ProxySocket& operator=(ProxySocket&&) noexcept = delete;
void HandleProxyPacket(const ProxyPacket& packet);
Errno Initialize(Domain domain, Type type, Protocol socket_protocol) override;
Errno Close() override;
std::pair<AcceptResult, Errno> Accept() override;
Errno Connect(SockAddrIn addr_in) override;
std::pair<SockAddrIn, Errno> GetPeerName() override;
std::pair<SockAddrIn, Errno> GetSockName() override;
Errno Bind(SockAddrIn addr) override;
Errno Listen(s32 backlog) override;
Errno Shutdown(ShutdownHow how) override;
std::pair<s32, Errno> Recv(int flags, std::vector<u8>& message) override;
std::pair<s32, Errno> RecvFrom(int flags, std::vector<u8>& message, SockAddrIn* addr) override;
std::pair<s32, Errno> ReceivePacket(int flags, std::vector<u8>& message, SockAddrIn* addr,
std::size_t max_length);
std::pair<s32, Errno> Send(const std::vector<u8>& message, int flags) override;
void SendPacket(ProxyPacket& packet);
std::pair<s32, Errno> SendTo(u32 flags, const std::vector<u8>& message,
const SockAddrIn* addr) override;
Errno SetLinger(bool enable, u32 linger) override;
Errno SetReuseAddr(bool enable) override;
Errno SetBroadcast(bool enable) override;
Errno SetKeepAlive(bool enable) override;
Errno SetSndBuf(u32 value) override;
Errno SetRcvBuf(u32 value) override;
Errno SetSndTimeo(u32 value) override;
Errno SetRcvTimeo(u32 value) override;
Errno SetNonBlock(bool enable) override;
template <typename T>
Errno SetSockOpt(SOCKET fd, int option, T value);
bool IsOpened() const override;
bool broadcast = false;
bool closed = false;
u32 send_timeout = 0;
u32 receive_timeout = 0;
std::map<int, const char*> socket_options;
bool is_bound = false;
SockAddrIn local_endpoint{};
bool blocking = true;
std::queue<ProxyPacket> received_packets;
Protocol protocol;
std::mutex packets_mutex;
RoomNetwork& room_network;
};
} // namespace Network

136
src/core/internal_network/sockets.h
View File

@ -14,20 +14,92 @@
#include "common/common_types.h"
#include "core/internal_network/network.h"
#include "network/network.h"
// TODO: C++20 Replace std::vector usages with std::span
namespace Network {
class Socket {
class SocketBase {
public:
#ifdef YUZU_UNIX
using SOCKET = int;
static constexpr SOCKET INVALID_SOCKET = -1;
static constexpr SOCKET SOCKET_ERROR = -1;
#endif
struct AcceptResult {
std::unique_ptr<Socket> socket;
std::unique_ptr<SocketBase> socket;
SockAddrIn sockaddr_in;
};
virtual ~SocketBase() {}
explicit Socket() = default;
~Socket();
virtual SocketBase& operator=(const SocketBase&) = delete;
// Avoid closing sockets implicitly
virtual SocketBase& operator=(SocketBase&&) noexcept = delete;
virtual Errno Initialize(Domain domain, Type type, Protocol protocol) = 0;
virtual Errno Close() = 0;
virtual std::pair<AcceptResult, Errno> Accept() = 0;
virtual Errno Connect(SockAddrIn addr_in) = 0;
virtual std::pair<SockAddrIn, Errno> GetPeerName() = 0;
virtual std::pair<SockAddrIn, Errno> GetSockName() = 0;
virtual Errno Bind(SockAddrIn addr) = 0;
virtual Errno Listen(s32 backlog) = 0;
virtual Errno Shutdown(ShutdownHow how) = 0;
virtual std::pair<s32, Errno> Recv(int flags, std::vector<u8>& message) = 0;
virtual std::pair<s32, Errno> RecvFrom(int flags, std::vector<u8>& message,
SockAddrIn* addr) = 0;
virtual std::pair<s32, Errno> Send(const std::vector<u8>& message, int flags) = 0;
virtual std::pair<s32, Errno> SendTo(u32 flags, const std::vector<u8>& message,
const SockAddrIn* addr) = 0;
virtual Errno SetLinger(bool enable, u32 linger) = 0;
virtual Errno SetReuseAddr(bool enable) = 0;
virtual Errno SetKeepAlive(bool enable) = 0;
virtual Errno SetBroadcast(bool enable) = 0;
virtual Errno SetSndBuf(u32 value) = 0;
virtual Errno SetRcvBuf(u32 value) = 0;
virtual Errno SetSndTimeo(u32 value) = 0;
virtual Errno SetRcvTimeo(u32 value) = 0;
virtual Errno SetNonBlock(bool enable) = 0;
virtual bool IsOpened() const = 0;
virtual void HandleProxyPacket(const ProxyPacket& packet) = 0;
#if defined(_WIN32)
SOCKET fd = INVALID_SOCKET;
#elif YUZU_UNIX
int fd = -1;
#endif
};
class Socket : public SocketBase {
public:
Socket() = default;
~Socket() override;
Socket(const Socket&) = delete;
Socket& operator=(const Socket&) = delete;
@ -37,57 +109,57 @@ public:
// Avoid closing sockets implicitly
Socket& operator=(Socket&&) noexcept = delete;
Errno Initialize(Domain domain, Type type, Protocol protocol);
Errno Initialize(Domain domain, Type type, Protocol protocol) override;
Errno Close();
Errno Close() override;
std::pair<AcceptResult, Errno> Accept();
std::pair<AcceptResult, Errno> Accept() override;
Errno Connect(SockAddrIn addr_in);
Errno Connect(SockAddrIn addr_in) override;
std::pair<SockAddrIn, Errno> GetPeerName();
std::pair<SockAddrIn, Errno> GetPeerName() override;
std::pair<SockAddrIn, Errno> GetSockName();
std::pair<SockAddrIn, Errno> GetSockName() override;
Errno Bind(SockAddrIn addr);
Errno Bind(SockAddrIn addr) override;
Errno Listen(s32 backlog);
Errno Listen(s32 backlog) override;
Errno Shutdown(ShutdownHow how);
Errno Shutdown(ShutdownHow how) override;
std::pair<s32, Errno> Recv(int flags, std::vector<u8>& message);
std::pair<s32, Errno> Recv(int flags, std::vector<u8>& message) override;
std::pair<s32, Errno> RecvFrom(int flags, std::vector<u8>& message, SockAddrIn* addr);
std::pair<s32, Errno> RecvFrom(int flags, std::vector<u8>& message, SockAddrIn* addr) override;
std::pair<s32, Errno> Send(const std::vector<u8>& message, int flags);
std::pair<s32, Errno> Send(const std::vector<u8>& message, int flags) override;
std::pair<s32, Errno> SendTo(u32 flags, const std::vector<u8>& message, const SockAddrIn* addr);
std::pair<s32, Errno> SendTo(u32 flags, const std::vector<u8>& message,
const SockAddrIn* addr) override;
Errno SetLinger(bool enable, u32 linger);
Errno SetLinger(bool enable, u32 linger) override;
Errno SetReuseAddr(bool enable);
Errno SetReuseAddr(bool enable) override;
Errno SetKeepAlive(bool enable);
Errno SetKeepAlive(bool enable) override;
Errno SetBroadcast(bool enable);
Errno SetBroadcast(bool enable) override;
Errno SetSndBuf(u32 value);
Errno SetSndBuf(u32 value) override;
Errno SetRcvBuf(u32 value);
Errno SetRcvBuf(u32 value) override;
Errno SetSndTimeo(u32 value);
Errno SetSndTimeo(u32 value) override;
Errno SetRcvTimeo(u32 value);
Errno SetRcvTimeo(u32 value) override;
Errno SetNonBlock(bool enable);
Errno SetNonBlock(bool enable) override;
bool IsOpened() const;
template <typename T>
Errno SetSockOpt(SOCKET fd, int option, T value);
#if defined(_WIN32)
SOCKET fd = INVALID_SOCKET;
#elif YUZU_UNIX
int fd = -1;
#endif
bool IsOpened() const override;
void HandleProxyPacket(const ProxyPacket& packet) override;
};
std::pair<s32, Errno> Poll(std::vector<PollFD>& poll_fds, s32 timeout);

164
src/network/room.cpp
View File

@ -20,9 +20,7 @@ namespace Network {
class Room::RoomImpl {
public:
// This MAC address is used to generate a 'Nintendo' like Mac address.
const MacAddress NintendoOUI;
std::mt19937 random_gen; ///< Random number generator. Used for GenerateMacAddress
std::mt19937 random_gen; ///< Random number generator. Used for GenerateFakeIPAddress
ENetHost* server = nullptr; ///< Network interface.
@ -36,9 +34,8 @@ public:
struct Member {
std::string nickname; ///< The nickname of the member.
std::string console_id_hash; ///< A hash of the console ID of the member.
GameInfo game_info; ///< The current game of the member
MacAddress mac_address; ///< The assigned mac address of the member.
IPv4Address fake_ip; ///< The assigned fake ip address of the member.
/// Data of the user, often including authenticated forum username.
VerifyUser::UserData user_data;
ENetPeer* peer; ///< The remote peer.
@ -51,8 +48,7 @@ public:
IPBanList ip_ban_list; ///< List of banned IP addresses
mutable std::mutex ban_list_mutex; ///< Mutex for the ban lists
RoomImpl()
: NintendoOUI{0x00, 0x1F, 0x32, 0x00, 0x00, 0x00}, random_gen(std::random_device()()) {}
RoomImpl() : random_gen(std::random_device()()) {}
/// Thread that receives and dispatches network packets
std::unique_ptr<std::thread> room_thread;
@ -101,16 +97,10 @@ public:
bool IsValidNickname(const std::string& nickname) const;
/**
* Returns whether the MAC address is valid, ie. isn't already taken by someone else in the
* Returns whether the fake ip address is valid, ie. isn't already taken by someone else in the
* room.
*/
bool IsValidMacAddress(const MacAddress& address) const;
/**
* Returns whether the console ID (hash) is valid, ie. isn't already taken by someone else in
* the room.
*/
bool IsValidConsoleId(const std::string& console_id_hash) const;
bool IsValidFakeIPAddress(const IPv4Address& address) const;
/**
* Returns whether a user has mod permissions.
@ -128,15 +118,9 @@ public:
void SendNameCollision(ENetPeer* client);
/**
* Sends a ID_ROOM_MAC_COLLISION message telling the client that the MAC is invalid.
* Sends a ID_ROOM_IP_COLLISION message telling the client that the IP is invalid.
*/
void SendMacCollision(ENetPeer* client);
/**
* Sends a IdConsoleIdCollison message telling the client that another member with the same
* console ID exists.
*/
void SendConsoleIdCollision(ENetPeer* client);
void SendIPCollision(ENetPeer* client);
/**
* Sends a ID_ROOM_VERSION_MISMATCH message telling the client that the version is invalid.
@ -152,13 +136,13 @@ public:
* Notifies the member that its connection attempt was successful,
* and it is now part of the room.
*/
void SendJoinSuccess(ENetPeer* client, MacAddress mac_address);
void SendJoinSuccess(ENetPeer* client, IPv4Address fake_ip);
/**
* Notifies the member that its connection attempt was successful,
* and it is now part of the room, and it has been granted mod permissions.
*/
void SendJoinSuccessAsMod(ENetPeer* client, MacAddress mac_address);
void SendJoinSuccessAsMod(ENetPeer* client, IPv4Address fake_ip);
/**
* Sends a IdHostKicked message telling the client that they have been kicked.
@ -210,7 +194,7 @@ public:
* <u32> num_members: the number of currently joined clients
* This is followed by the following three values for each member:
* <String> nickname of that member
* <MacAddress> mac_address of that member
* <IPv4Address> fake_ip of that member
* <String> game_name of that member
*/
void BroadcastRoomInformation();
@ -219,13 +203,13 @@ public:
* Generates a free MAC address to assign to a new client.
* The first 3 bytes are the NintendoOUI 0x00, 0x1F, 0x32
*/
MacAddress GenerateMacAddress();
IPv4Address GenerateFakeIPAddress();
/**
* Broadcasts this packet to all members except the sender.
* @param event The ENet event containing the data
*/
void HandleWifiPacket(const ENetEvent* event);
void HandleProxyPacket(const ENetEvent* event);
/**
* Extracts a chat entry from a received ENet packet and adds it to the chat queue.
@ -250,7 +234,7 @@ public:
void Room::RoomImpl::ServerLoop() {
while (state != State::Closed) {
ENetEvent event;
if (enet_host_service(server, &event, 16) > 0) {
if (enet_host_service(server, &event, 50) > 0) {
switch (event.type) {
case ENET_EVENT_TYPE_RECEIVE:
switch (event.packet->data[0]) {
@ -260,8 +244,8 @@ void Room::RoomImpl::ServerLoop() {
case IdSetGameInfo:
HandleGameNamePacket(&event);
break;
case IdWifiPacket:
HandleWifiPacket(&event);
case IdProxyPacket:
HandleProxyPacket(&event);
break;
case IdChatMessage:
HandleChatPacket(&event);
@ -313,11 +297,8 @@ void Room::RoomImpl::HandleJoinRequest(const ENetEvent* event) {
std::string nickname;
packet.Read(nickname);
std::string console_id_hash;
packet.Read(console_id_hash);
MacAddress preferred_mac;
packet.Read(preferred_mac);
IPv4Address preferred_fake_ip;
packet.Read(preferred_fake_ip);
u32 client_version;
packet.Read(client_version);
@ -338,20 +319,15 @@ void Room::RoomImpl::HandleJoinRequest(const ENetEvent* event) {
return;
}
if (preferred_mac != NoPreferredMac) {
// Verify if the preferred mac is available
if (!IsValidMacAddress(preferred_mac)) {
SendMacCollision(event->peer);
if (preferred_fake_ip != NoPreferredIP) {
// Verify if the preferred fake ip is available
if (!IsValidFakeIPAddress(preferred_fake_ip)) {
SendIPCollision(event->peer);
return;
}
} else {
// Assign a MAC address of this client automatically
preferred_mac = GenerateMacAddress();
}
if (!IsValidConsoleId(console_id_hash)) {
SendConsoleIdCollision(event->peer);
return;
// Assign a fake ip address of this client automatically
preferred_fake_ip = GenerateFakeIPAddress();
}
if (client_version != network_version) {
@ -361,8 +337,7 @@ void Room::RoomImpl::HandleJoinRequest(const ENetEvent* event) {
// At this point the client is ready to be added to the room.
Member member{};
member.mac_address = preferred_mac;
member.console_id_hash = console_id_hash;
member.fake_ip = preferred_fake_ip;
member.nickname = nickname;
member.peer = event->peer;
@ -408,9 +383,9 @@ void Room::RoomImpl::HandleJoinRequest(const ENetEvent* event) {
// Notify everyone that the room information has changed.
BroadcastRoomInformation();
if (HasModPermission(event->peer)) {
SendJoinSuccessAsMod(event->peer, preferred_mac);
SendJoinSuccessAsMod(event->peer, preferred_fake_ip);
} else {
SendJoinSuccess(event->peer, preferred_mac);
SendJoinSuccess(event->peer, preferred_fake_ip);
}
}
@ -575,19 +550,11 @@ bool Room::RoomImpl::IsValidNickname(const std::string& nickname) const {
[&nickname](const auto& member) { return member.nickname != nickname; });
}
bool Room::RoomImpl::IsValidMacAddress(const MacAddress& address) const {
// A MAC address is valid if it is not already taken by anybody else in the room.
bool Room::RoomImpl::IsValidFakeIPAddress(const IPv4Address& address) const {
// An IP address is valid if it is not already taken by anybody else in the room.
std::lock_guard lock(member_mutex);
return std::all_of(members.begin(), members.end(),
[&address](const auto& member) { return member.mac_address != address; });
}
bool Room::RoomImpl::IsValidConsoleId(const std::string& console_id_hash) const {
// A Console ID is valid if it is not already taken by anybody else in the room.
std::lock_guard lock(member_mutex);
return std::all_of(members.begin(), members.end(), [&console_id_hash](const auto& member) {
return member.console_id_hash != console_id_hash;
});
[&address](const auto& member) { return member.fake_ip != address; });
}
bool Room::RoomImpl::HasModPermission(const ENetPeer* client) const {
@ -621,19 +588,9 @@ void Room::RoomImpl::SendNameCollision(ENetPeer* client) {
enet_host_flush(server);
}
void Room::RoomImpl::SendMacCollision(ENetPeer* client) {
void Room::RoomImpl::SendIPCollision(ENetPeer* client) {
Packet packet;
packet.Write(static_cast<u8>(IdMacCollision));
ENetPacket* enet_packet =
enet_packet_create(packet.GetData(), packet.GetDataSize(), ENET_PACKET_FLAG_RELIABLE);
enet_peer_send(client, 0, enet_packet);
enet_host_flush(server);
}
void Room::RoomImpl::SendConsoleIdCollision(ENetPeer* client) {
Packet packet;
packet.Write(static_cast<u8>(IdConsoleIdCollision));
packet.Write(static_cast<u8>(IdIpCollision));
ENetPacket* enet_packet =
enet_packet_create(packet.GetData(), packet.GetDataSize(), ENET_PACKET_FLAG_RELIABLE);
@ -672,20 +629,20 @@ void Room::RoomImpl::SendVersionMismatch(ENetPeer* client) {
enet_host_flush(server);
}
void Room::RoomImpl::SendJoinSuccess(ENetPeer* client, MacAddress mac_address) {
void Room::RoomImpl::SendJoinSuccess(ENetPeer* client, IPv4Address fake_ip) {
Packet packet;
packet.Write(static_cast<u8>(IdJoinSuccess));
packet.Write(mac_address);
packet.Write(fake_ip);
ENetPacket* enet_packet =
enet_packet_create(packet.GetData(), packet.GetDataSize(), ENET_PACKET_FLAG_RELIABLE);
enet_peer_send(client, 0, enet_packet);
enet_host_flush(server);
}
void Room::RoomImpl::SendJoinSuccessAsMod(ENetPeer* client, MacAddress mac_address) {
void Room::RoomImpl::SendJoinSuccessAsMod(ENetPeer* client, IPv4Address fake_ip) {
Packet packet;
packet.Write(static_cast<u8>(IdJoinSuccessAsMod));
packet.Write(mac_address);
packet.Write(fake_ip);
ENetPacket* enet_packet =
enet_packet_create(packet.GetData(), packet.GetDataSize(), ENET_PACKET_FLAG_RELIABLE);
enet_peer_send(client, 0, enet_packet);
@ -818,7 +775,7 @@ void Room::RoomImpl::BroadcastRoomInformation() {
std::lock_guard lock(member_mutex);
for (const auto& member : members) {
packet.Write(member.nickname);
packet.Write(member.mac_address);
packet.Write(member.fake_ip);
packet.Write(member.game_info.name);
packet.Write(member.game_info.id);
packet.Write(member.user_data.username);
@ -833,34 +790,43 @@ void Room::RoomImpl::BroadcastRoomInformation() {
enet_host_flush(server);
}
MacAddress Room::RoomImpl::GenerateMacAddress() {
MacAddress result_mac =
NintendoOUI; // The first three bytes of each MAC address will be the NintendoOUI
std::uniform_int_distribution<> dis(0x00, 0xFF); // Random byte between 0 and 0xFF
IPv4Address Room::RoomImpl::GenerateFakeIPAddress() {
IPv4Address result_ip{192, 168, 0, 0};
std::uniform_int_distribution<> dis(0x01, 0xFE); // Random byte between 1 and 0xFE
do {
for (std::size_t i = 3; i < result_mac.size(); ++i) {
result_mac[i] = dis(random_gen);
for (std::size_t i = 2; i < result_ip.size(); ++i) {
result_ip[i] = dis(random_gen);
}
} while (!IsValidMacAddress(result_mac));
return result_mac;
} while (!IsValidFakeIPAddress(result_ip));
return result_ip;
}
void Room::RoomImpl::HandleWifiPacket(const ENetEvent* event) {
void Room::RoomImpl::HandleProxyPacket(const ENetEvent* event) {
Packet in_packet;
in_packet.Append(event->packet->data, event->packet->dataLength);
in_packet.IgnoreBytes(sizeof(u8)); // Message type
in_packet.IgnoreBytes(sizeof(u8)); // WifiPacket Type
in_packet.IgnoreBytes(sizeof(u8)); // WifiPacket Channel
in_packet.IgnoreBytes(sizeof(MacAddress)); // WifiPacket Transmitter Address
MacAddress destination_address;
in_packet.Read(destination_address);
in_packet.IgnoreBytes(sizeof(u8)); // Domain
in_packet.IgnoreBytes(sizeof(IPv4Address)); // IP
in_packet.IgnoreBytes(sizeof(u16)); // Port
in_packet.IgnoreBytes(sizeof(u8)); // Domain
IPv4Address remote_ip;
in_packet.Read(remote_ip); // IP
in_packet.IgnoreBytes(sizeof(u16)); // Port
in_packet.IgnoreBytes(sizeof(u8)); // Protocol
bool broadcast;
in_packet.Read(broadcast); // Broadcast
Packet out_packet;
out_packet.Append(event->packet->data, event->packet->dataLength);
ENetPacket* enet_packet = enet_packet_create(out_packet.GetData(), out_packet.GetDataSize(),
ENET_PACKET_FLAG_RELIABLE);
if (destination_address == BroadcastMac) { // Send the data to everyone except the sender
const auto& destination_address = remote_ip;
if (broadcast) { // Send the data to everyone except the sender
std::lock_guard lock(member_mutex);
bool sent_packet = false;
for (const auto& member : members) {
@ -877,16 +843,16 @@ void Room::RoomImpl::HandleWifiPacket(const ENetEvent* event) {
std::lock_guard lock(member_mutex);
auto member = std::find_if(members.begin(), members.end(),
[destination_address](const Member& member_entry) -> bool {
return member_entry.mac_address == destination_address;
return member_entry.fake_ip == destination_address;
});
if (member != members.end()) {
enet_peer_send(member->peer, 0, enet_packet);
} else {
LOG_ERROR(Network,
"Attempting to send to unknown MAC address: "
"{:02X}:{:02X}:{:02X}:{:02X}:{:02X}:{:02X}",
"Attempting to send to unknown IP address: "
"{}.{}.{}.{}",
destination_address[0], destination_address[1], destination_address[2],
destination_address[3], destination_address[4], destination_address[5]);
destination_address[3]);
enet_packet_destroy(enet_packet);
}
}
@ -1073,7 +1039,7 @@ std::vector<Member> Room::GetRoomMemberList() const {
member.username = member_impl.user_data.username;
member.display_name = member_impl.user_data.display_name;
member.avatar_url = member_impl.user_data.avatar_url;
member.mac_address = member_impl.mac_address;
member.fake_ip = member_impl.fake_ip;
member.game = member_impl.game_info;
member_list.push_back(member);
}

14
src/network/room.h
View File

@ -9,12 +9,12 @@
#include <vector>
#include "common/announce_multiplayer_room.h"
#include "common/common_types.h"
#include "common/socket_types.h"
#include "network/verify_user.h"
namespace Network {
using AnnounceMultiplayerRoom::GameInfo;
using AnnounceMultiplayerRoom::MacAddress;
using AnnounceMultiplayerRoom::Member;
using AnnounceMultiplayerRoom::RoomInformation;
@ -29,12 +29,9 @@ static constexpr u32 MaxConcurrentConnections = 254;
constexpr std::size_t NumChannels = 1; // Number of channels used for the connection
/// A special MAC address that tells the room we're joining to assign us a MAC address
/// A special IP address that tells the room we're joining to assign us a IP address
/// automatically.
constexpr MacAddress NoPreferredMac = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
// 802.11 broadcast MAC address
constexpr MacAddress BroadcastMac = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
constexpr IPv4Address NoPreferredIP = {0xFF, 0xFF, 0xFF, 0xFF};
// The different types of messages that can be sent. The first byte of each packet defines the type
enum RoomMessageTypes : u8 {
@ -42,15 +39,14 @@ enum RoomMessageTypes : u8 {
IdJoinSuccess,
IdRoomInformation,
IdSetGameInfo,
IdWifiPacket,
IdProxyPacket,
IdChatMessage,
IdNameCollision,
IdMacCollision,
IdIpCollision,
IdVersionMismatch,
IdWrongPassword,
IdCloseRoom,
IdRoomIsFull,
IdConsoleIdCollision,
IdStatusMessage,
IdHostKicked,
IdHostBanned,

123
src/network/room_member.cpp
View File

@ -7,6 +7,7 @@
#include <set>
#include <thread>
#include "common/assert.h"
#include "common/socket_types.h"
#include "enet/enet.h"
#include "network/packet.h"
#include "network/room_member.h"
@ -38,7 +39,7 @@ public:
std::string username; ///< The username of this member.
mutable std::mutex username_mutex; ///< Mutex for locking username.
MacAddress mac_address; ///< The mac_address of this member.
IPv4Address fake_ip; ///< The fake ip of this member.
std::mutex network_mutex; ///< Mutex that controls access to the `client` variable.
/// Thread that receives and dispatches network packets
@ -56,7 +57,7 @@ public:
CallbackSet<T>& Get();
private:
CallbackSet<WifiPacket> callback_set_wifi_packet;
CallbackSet<ProxyPacket> callback_set_proxy_packet;
CallbackSet<ChatEntry> callback_set_chat_messages;
CallbackSet<StatusMessageEntry> callback_set_status_messages;
CallbackSet<RoomInformation> callback_set_room_information;
@ -78,15 +79,15 @@ public:
/**
* Sends a request to the server, asking for permission to join a room with the specified
* nickname and preferred mac.
* nickname and preferred fake ip.
* @params nickname The desired nickname.
* @params console_id_hash A hash of the Console ID.
* @params preferred_mac The preferred MAC address to use in the room, the NoPreferredMac tells
* @params preferred_fake_ip The preferred IP address to use in the room, the NoPreferredIP
* tells
* @params password The password for the room
* the server to assign one for us.
*/
void SendJoinRequest(const std::string& nickname_, const std::string& console_id_hash,
const MacAddress& preferred_mac = NoPreferredMac,
void SendJoinRequest(const std::string& nickname_,
const IPv4Address& preferred_fake_ip = NoPreferredIP,
const std::string& password = "", const std::string& token = "");
/**
@ -101,10 +102,10 @@ public:
void HandleRoomInformationPacket(const ENetEvent* event);
/**
* Extracts a WifiPacket from a received ENet packet.
* Extracts a ProxyPacket from a received ENet packet.
* @param event The ENet event that was received.
*/
void HandleWifiPackets(const ENetEvent* event);
void HandleProxyPackets(const ENetEvent* event);
/**
* Extracts a chat entry from a received ENet packet and adds it to the chat queue.
@ -158,12 +159,12 @@ void RoomMember::RoomMemberImpl::MemberLoop() {
while (IsConnected()) {
std::lock_guard lock(network_mutex);
ENetEvent event;
if (enet_host_service(client, &event, 16) > 0) {
if (enet_host_service(client, &event, 100) > 0) {
switch (event.type) {
case ENET_EVENT_TYPE_RECEIVE:
switch (event.packet->data[0]) {
case IdWifiPacket:
HandleWifiPackets(&event);
case IdProxyPacket:
HandleProxyPackets(&event);
break;
case IdChatMessage:
HandleChatPacket(&event);
@ -198,13 +199,9 @@ void RoomMember::RoomMemberImpl::MemberLoop() {
SetState(State::Idle);
SetError(Error::NameCollision);
break;
case IdMacCollision:
case IdIpCollision:
SetState(State::Idle);
SetError(Error::MacCollision);
break;
case IdConsoleIdCollision:
SetState(State::Idle);
SetError(Error::ConsoleIdCollision);
SetError(Error::IpCollision);
break;
case IdVersionMismatch:
SetState(State::Idle);
@ -275,15 +272,13 @@ void RoomMember::RoomMemberImpl::Send(Packet&& packet) {
}
void RoomMember::RoomMemberImpl::SendJoinRequest(const std::string& nickname_,
const std::string& console_id_hash,
const MacAddress& preferred_mac,
const IPv4Address& preferred_fake_ip,
const std::string& password,
const std::string& token) {
Packet packet;
packet.Write(static_cast<u8>(IdJoinRequest));
packet.Write(nickname_);
packet.Write(console_id_hash);
packet.Write(preferred_mac);
packet.Write(preferred_fake_ip);
packet.Write(network_version);
packet.Write(password);
packet.Write(token);
@ -317,7 +312,7 @@ void RoomMember::RoomMemberImpl::HandleRoomInformationPacket(const ENetEvent* ev
for (auto& member : member_information) {
packet.Read(member.nickname);
packet.Read(member.mac_address);
packet.Read(member.fake_ip);
packet.Read(member.game_info.name);
packet.Read(member.game_info.id);
packet.Read(member.username);
@ -342,29 +337,38 @@ void RoomMember::RoomMemberImpl::HandleJoinPacket(const ENetEvent* event) {
packet.IgnoreBytes(sizeof(u8)); // Ignore the message type
// Parse the MAC Address from the packet
packet.Read(mac_address);
packet.Read(fake_ip);
}
void RoomMember::RoomMemberImpl::HandleWifiPackets(const ENetEvent* event) {
WifiPacket wifi_packet{};
void RoomMember::RoomMemberImpl::HandleProxyPackets(const ENetEvent* event) {
ProxyPacket proxy_packet{};
Packet packet;
packet.Append(event->packet->data, event->packet->dataLength);
// Ignore the first byte, which is the message id.
packet.IgnoreBytes(sizeof(u8)); // Ignore the message type
// Parse the WifiPacket from the packet
u8 frame_type;
packet.Read(frame_type);
WifiPacket::PacketType type = static_cast<WifiPacket::PacketType>(frame_type);
// Parse the ProxyPacket from the packet
u8 local_family;
packet.Read(local_family);
proxy_packet.local_endpoint.family = static_cast<Domain>(local_family);
packet.Read(proxy_packet.local_endpoint.ip);
packet.Read(proxy_packet.local_endpoint.portno);
wifi_packet.type = type;
packet.Read(wifi_packet.channel);
packet.Read(wifi_packet.transmitter_address);
packet.Read(wifi_packet.destination_address);
packet.Read(wifi_packet.data);
u8 remote_family;
packet.Read(remote_family);
proxy_packet.remote_endpoint.family = static_cast<Domain>(remote_family);
packet.Read(proxy_packet.remote_endpoint.ip);
packet.Read(proxy_packet.remote_endpoint.portno);
Invoke<WifiPacket>(wifi_packet);
u8 protocol_type;
packet.Read(protocol_type);
proxy_packet.protocol = static_cast<Protocol>(protocol_type);
packet.Read(proxy_packet.broadcast);
packet.Read(proxy_packet.data);
Invoke<ProxyPacket>(proxy_packet);
}
void RoomMember::RoomMemberImpl::HandleChatPacket(const ENetEvent* event) {
@ -440,8 +444,8 @@ void RoomMember::RoomMemberImpl::Disconnect() {
}
template <>
RoomMember::RoomMemberImpl::CallbackSet<WifiPacket>& RoomMember::RoomMemberImpl::Callbacks::Get() {
return callback_set_wifi_packet;
RoomMember::RoomMemberImpl::CallbackSet<ProxyPacket>& RoomMember::RoomMemberImpl::Callbacks::Get() {
return callback_set_proxy_packet;
}
template <>
@ -525,19 +529,18 @@ const std::string& RoomMember::GetUsername() const {
return room_member_impl->username;
}
const MacAddress& RoomMember::GetMacAddress() const {
ASSERT_MSG(IsConnected(), "Tried to get MAC address while not connected");
return room_member_impl->mac_address;
const IPv4Address& RoomMember::GetFakeIpAddress() const {
ASSERT_MSG(IsConnected(), "Tried to get fake ip address while not connected");
return room_member_impl->fake_ip;
}
RoomInformation RoomMember::GetRoomInformation() const {
return room_member_impl->room_information;
}
void RoomMember::Join(const std::string& nick, const std::string& console_id_hash,
const char* server_addr, u16 server_port, u16 client_port,
const MacAddress& preferred_mac, const std::string& password,
const std::string& token) {
void RoomMember::Join(const std::string& nick, const char* server_addr, u16 server_port,
u16 client_port, const IPv4Address& preferred_fake_ip,
const std::string& password, const std::string& token) {
// If the member is connected, kill the connection first
if (room_member_impl->loop_thread && room_member_impl->loop_thread->joinable()) {
Leave();
@ -571,7 +574,7 @@ void RoomMember::Join(const std::string& nick, const std::string& console_id_has
if (net > 0 && event.type == ENET_EVENT_TYPE_CONNECT) {
room_member_impl->nickname = nick;
room_member_impl->StartLoop();
room_member_impl->SendJoinRequest(nick, console_id_hash, preferred_mac, password, token);
room_member_impl->SendJoinRequest(nick, preferred_fake_ip, password, token);
SendGameInfo(room_member_impl->current_game_info);
} else {
enet_peer_disconnect(room_member_impl->server, 0);
@ -584,14 +587,22 @@ bool RoomMember::IsConnected() const {
return room_member_impl->IsConnected();
}
void RoomMember::SendWifiPacket(const WifiPacket& wifi_packet) {
void RoomMember::SendProxyPacket(const ProxyPacket& proxy_packet) {
Packet packet;
packet.Write(static_cast<u8>(IdWifiPacket));
packet.Write(static_cast<u8>(wifi_packet.type));
packet.Write(wifi_packet.channel);
packet.Write(wifi_packet.transmitter_address);
packet.Write(wifi_packet.destination_address);
packet.Write(wifi_packet.data);
packet.Write(static_cast<u8>(IdProxyPacket));
packet.Write(static_cast<u8>(proxy_packet.local_endpoint.family));
packet.Write(proxy_packet.local_endpoint.ip);
packet.Write(proxy_packet.local_endpoint.portno);
packet.Write(static_cast<u8>(proxy_packet.remote_endpoint.family));
packet.Write(proxy_packet.remote_endpoint.ip);
packet.Write(proxy_packet.remote_endpoint.portno);
packet.Write(static_cast<u8>(proxy_packet.protocol));
packet.Write(proxy_packet.broadcast);
packet.Write(proxy_packet.data);
room_member_impl->Send(std::move(packet));
}
@ -645,8 +656,8 @@ RoomMember::CallbackHandle<RoomMember::Error> RoomMember::BindOnError(
return room_member_impl->Bind(callback);
}
RoomMember::CallbackHandle<WifiPacket> RoomMember::BindOnWifiPacketReceived(
std::function<void(const WifiPacket&)> callback) {
RoomMember::CallbackHandle<ProxyPacket> RoomMember::BindOnProxyPacketReceived(
std::function<void(const ProxyPacket&)> callback) {
return room_member_impl->Bind(callback);
}
@ -685,7 +696,7 @@ void RoomMember::Leave() {
room_member_impl->client = nullptr;
}
template void RoomMember::Unbind(CallbackHandle<WifiPacket>);
template void RoomMember::Unbind(CallbackHandle<ProxyPacket>);
template void RoomMember::Unbind(CallbackHandle<RoomMember::State>);
template void RoomMember::Unbind(CallbackHandle<RoomMember::Error>);
template void RoomMember::Unbind(CallbackHandle<RoomInformation>);

52
src/network/room_member.h
View File

@ -9,6 +9,7 @@
#include <vector>
#include "common/announce_multiplayer_room.h"
#include "common/common_types.h"
#include "common/socket_types.h"
#include "network/room.h"
namespace Network {
@ -17,22 +18,12 @@ using AnnounceMultiplayerRoom::GameInfo;
using AnnounceMultiplayerRoom::RoomInformation;
/// Information about the received WiFi packets.
/// Acts as our own 802.11 header.
struct WifiPacket {
enum class PacketType : u8 {
Beacon,
Data,
Authentication,
AssociationResponse,
Deauthentication,
NodeMap
};
PacketType type; ///< The type of 802.11 frame.
std::vector<u8> data; ///< Raw 802.11 frame data, starting at the management frame header
/// for management frames.
MacAddress transmitter_address; ///< Mac address of the transmitter.
MacAddress destination_address; ///< Mac address of the receiver.
u8 channel; ///< WiFi channel where this frame was transmitted.
struct ProxyPacket {
SockAddrIn local_endpoint;
SockAddrIn remote_endpoint;
Protocol protocol;
bool broadcast;
std::vector<u8> data;
};
/// Represents a chat message.
@ -74,8 +65,7 @@ public:
// Reasons why connection was rejected
UnknownError, ///< Some error [permissions to network device missing or something]
NameCollision, ///< Somebody is already using this name
MacCollision, ///< Somebody is already using that mac-address
ConsoleIdCollision, ///< Somebody in the room has the same Console ID
IpCollision, ///< Somebody is already using that fake-ip-address
WrongVersion, ///< The room version is not the same as for this RoomMember
WrongPassword, ///< The password doesn't match the one from the Room
CouldNotConnect, ///< The room is not responding to a connection attempt
@ -94,7 +84,7 @@ public:
std::string avatar_url; ///< Url to the member's avatar. Can be empty.
GameInfo game_info; ///< Name of the game they're currently playing, or empty if they're
/// not playing anything.
MacAddress mac_address; ///< MAC address associated with this member.
IPv4Address fake_ip; ///< Fake Ip address associated with this member.
};
using MemberList = std::vector<MemberInformation>;
@ -135,7 +125,7 @@ public:
/**
* Returns the MAC address of the RoomMember.
*/
const MacAddress& GetMacAddress() const;
const IPv4Address& GetFakeIpAddress() const;
/**
* Returns information about the room we're currently connected to.
@ -149,19 +139,17 @@ public:
/**
* Attempts to join a room at the specified address and port, using the specified nickname.
* A console ID hash is passed in to check console ID conflicts.
* This may fail if the username or console ID is already taken.
*/
void Join(const std::string& nickname, const std::string& console_id_hash,
const char* server_addr = "127.0.0.1", u16 server_port = DefaultRoomPort,
u16 client_port = 0, const MacAddress& preferred_mac = NoPreferredMac,
void Join(const std::string& nickname, const char* server_addr = "127.0.0.1",
u16 server_port = DefaultRoomPort, u16 client_port = 0,
const IPv4Address& preferred_fake_ip = NoPreferredIP,
const std::string& password = "", const std::string& token = "");
/**
* Sends a WiFi packet to the room.
* @param packet The WiFi packet to send.
*/
void SendWifiPacket(const WifiPacket& packet);
void SendProxyPacket(const ProxyPacket& packet);
/**
* Sends a chat message to the room.
@ -207,14 +195,14 @@ public:
CallbackHandle<Error> BindOnError(std::function<void(const Error&)> callback);
/**
* Binds a function to an event that will be triggered every time a WifiPacket is received.
* Binds a function to an event that will be triggered every time a ProxyPacket is received.
* The function wil be called everytime the event is triggered.
* The callback function must not bind or unbind a function. Doing so will cause a deadlock
* @param callback The function to call
* @return A handle used for removing the function from the registered list
*/
CallbackHandle<WifiPacket> BindOnWifiPacketReceived(
std::function<void(const WifiPacket&)> callback);
CallbackHandle<ProxyPacket> BindOnProxyPacketReceived(
std::function<void(const ProxyPacket&)> callback);
/**
* Binds a function to an event that will be triggered every time the RoomInformation changes.
@ -292,10 +280,8 @@ inline const char* GetErrorStr(const RoomMember::Error& e) {
return "UnknownError";
case RoomMember::Error::NameCollision:
return "NameCollision";
case RoomMember::Error::MacCollision:
return "MaxCollision";
case RoomMember::Error::ConsoleIdCollision:
return "ConsoleIdCollision";
case RoomMember::Error::IpCollision:
return "IpCollision";
case RoomMember::Error::WrongVersion:
return "WrongVersion";
case RoomMember::Error::WrongPassword:

14
src/yuzu/multiplayer/chat_room.cpp
View File

@ -316,21 +316,19 @@ void ChatRoom::OnStatusMessageReceive(const Network::StatusMessageEntry& status_
}
void ChatRoom::OnSendChat() {
if (auto room = room_network->GetRoomMember().lock()) {
if (room->GetState() != Network::RoomMember::State::Joined &&
room->GetState() != Network::RoomMember::State::Moderator) {
if (auto room_member = room_network->GetRoomMember().lock()) {
if (!room_member->IsConnected()) {
return;
}
auto message = ui->chat_message->text().toStdString();
if (!ValidateMessage(message)) {
return;
}
auto nick = room->GetNickname();
auto username = room->GetUsername();
auto nick = room_member->GetNickname();
auto username = room_member->GetUsername();
Network::ChatEntry chat{nick, username, message};
auto members = room->GetMemberInformation();
auto members = room_member->GetMemberInformation();
auto it = std::find_if(members.begin(), members.end(),
[&chat](const Network::RoomMember::MemberInformation& member) {
return member.nickname == chat.nickname &&
@ -341,7 +339,7 @@ void ChatRoom::OnSendChat() {
}
auto player = std::distance(members.begin(), it);
ChatMessage m(chat, *room_network);
room->SendChatMessage(message);
room_member->SendChatMessage(message);
AppendChatMessage(m.GetPlayerChatMessage(player));
ui->chat_message->clear();
}

1
src/yuzu/multiplayer/client_room.cpp
View File

@ -74,7 +74,6 @@ void ClientRoomWindow::OnRoomUpdate(const Network::RoomInformation& info) {
void ClientRoomWindow::OnStateChange(const Network::RoomMember::State& state) {
if (state == Network::RoomMember::State::Joined ||
state == Network::RoomMember::State::Moderator) {
ui->chat->Clear();
ui->chat->AppendStatusMessage(tr("Connected"));
SetModPerms(state == Network::RoomMember::State::Moderator);

10
src/yuzu/multiplayer/direct_connect.cpp
View File

@ -97,9 +97,9 @@ void DirectConnectWindow::Connect() {
QFuture<void> f = QtConcurrent::run([&] {
if (auto room_member = room_network.GetRoomMember().lock()) {
auto port = UISettings::values.multiplayer_port.GetValue();
room_member->Join(ui->nickname->text().toStdString(), "",
ui->ip->text().toStdString().c_str(), port, 0,
Network::NoPreferredMac, ui->password->text().toStdString().c_str());
room_member->Join(ui->nickname->text().toStdString(),
ui->ip->text().toStdString().c_str(), port, 0, Network::NoPreferredIP,
ui->password->text().toStdString().c_str());
}
});
watcher->setFuture(f);
@ -121,9 +121,7 @@ void DirectConnectWindow::OnConnection() {
EndConnecting();
if (auto room_member = room_network.GetRoomMember().lock()) {
if (room_member->GetState() == Network::RoomMember::State::Joined ||
room_member->GetState() == Network::RoomMember::State::Moderator) {
if (room_member->IsConnected()) {
close();
}
}

4
src/yuzu/multiplayer/host_room.cpp
View File

@ -201,8 +201,8 @@ void HostRoomWindow::Host() {
}
#endif
// TODO: Check what to do with this
member->Join(ui->username->text().toStdString(), "", "127.0.0.1", port, 0,
Network::NoPreferredMac, password, token);
member->Join(ui->username->text().toStdString(), "127.0.0.1", port, 0,
Network::NoPreferredIP, password, token);
// Store settings
UISettings::values.multiplayer_room_nickname = ui->username->text();

2
src/yuzu/multiplayer/lobby.cpp
View File

@ -169,7 +169,7 @@ void Lobby::OnJoinRoom(const QModelIndex& source) {
}
#endif
if (auto room_member = room_network.GetRoomMember().lock()) {
room_member->Join(nickname, "", ip.c_str(), port, 0, Network::NoPreferredMac, password,
room_member->Join(nickname, ip.c_str(), port, 0, Network::NoPreferredIP, password,
token);
}
});

7
src/yuzu/multiplayer/message.cpp
View File

@ -43,11 +43,8 @@ const ConnectionError ErrorManager::LOST_CONNECTION(
QT_TR_NOOP("Connection to room lost. Try to reconnect."));
const ConnectionError ErrorManager::HOST_KICKED(
QT_TR_NOOP("You have been kicked by the room host."));
const ConnectionError ErrorManager::MAC_COLLISION(
QT_TR_NOOP("MAC address is already in use. Please choose another."));
const ConnectionError ErrorManager::CONSOLE_ID_COLLISION(QT_TR_NOOP(
"Your Console ID conflicted with someone else's in the room.\n\nPlease go to Emulation "
"> Configure > System to regenerate your Console ID."));
const ConnectionError ErrorManager::IP_COLLISION(
QT_TR_NOOP("IP address is already in use. Please choose another."));
const ConnectionError ErrorManager::PERMISSION_DENIED(
QT_TR_NOOP("You do not have enough permission to perform this action."));
const ConnectionError ErrorManager::NO_SUCH_USER(QT_TR_NOOP(

3
src/yuzu/multiplayer/message.h
View File

@ -40,8 +40,7 @@ public:
static const ConnectionError GENERIC_ERROR;
static const ConnectionError LOST_CONNECTION;
static const ConnectionError HOST_KICKED;
static const ConnectionError MAC_COLLISION;
static const ConnectionError CONSOLE_ID_COLLISION;
static const ConnectionError IP_COLLISION;
static const ConnectionError PERMISSION_DENIED;
static const ConnectionError NO_SUCH_USER;
/**

8
src/yuzu/multiplayer/state.cpp
View File

@ -95,7 +95,6 @@ void MultiplayerState::retranslateUi() {
status_text->setText(tr("Not Connected. Click here to find a room!"));
} else if (current_state == Network::RoomMember::State::Joined ||
current_state == Network::RoomMember::State::Moderator) {
status_text->setText(tr("Connected"));
} else {
status_text->setText(tr("Not Connected"));
@ -151,11 +150,8 @@ void MultiplayerState::OnNetworkError(const Network::RoomMember::Error& error) {
NetworkMessage::ErrorManager::ShowError(
NetworkMessage::ErrorManager::USERNAME_NOT_VALID_SERVER);
break;
case Network::RoomMember::Error::MacCollision:
NetworkMessage::ErrorManager::ShowError(NetworkMessage::ErrorManager::MAC_COLLISION);
break;
case Network::RoomMember::Error::ConsoleIdCollision:
NetworkMessage::ErrorManager::ShowError(NetworkMessage::ErrorManager::CONSOLE_ID_COLLISION);
case Network::RoomMember::Error::IpCollision:
NetworkMessage::ErrorManager::ShowError(NetworkMessage::ErrorManager::IP_COLLISION);
break;
case Network::RoomMember::Error::RoomIsFull:
NetworkMessage::ErrorManager::ShowError(NetworkMessage::ErrorManager::ROOM_IS_FULL);

10
src/yuzu_cmd/yuzu.cpp
View File

@ -108,15 +108,11 @@ static void OnNetworkError(const Network::RoomMember::Error& error) {
"You tried to use the same nickname as another user that is connected to the Room");
exit(1);
break;
case Network::RoomMember::Error::MacCollision:
LOG_ERROR(Network, "You tried to use the same MAC-Address as another user that is "
case Network::RoomMember::Error::IpCollision:
LOG_ERROR(Network, "You tried to use the same fake IP-Address as another user that is "
"connected to the Room");
exit(1);
break;
case Network::RoomMember::Error::ConsoleIdCollision:
LOG_ERROR(Network, "Your Console ID conflicted with someone else in the Room");
exit(1);
break;
case Network::RoomMember::Error::WrongPassword:
LOG_ERROR(Network, "Room replied with: Wrong password");
exit(1);
@ -365,7 +361,7 @@ int main(int argc, char** argv) {
member->BindOnError(OnNetworkError);
LOG_DEBUG(Network, "Start connection to {}:{} with nickname {}", address, port,
nickname);
member->Join(nickname, "", address.c_str(), port, 0, Network::NoPreferredMac, password);
member->Join(nickname, address.c_str(), port, 0, Network::NoPreferredIP, password);
} else {
LOG_ERROR(Network, "Could not access RoomMember");
return 0;