core, network: Add ability to proxy socket packets

12 files changed, 783 insertions, 272 deletions

diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 4e39649a8..3230d7199 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -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
diff --git a/src/core/hle/service/nifm/nifm.cpp b/src/core/hle/service/nifm/nifm.cpp
index 2889973e4..42ed17187 100644
--- a/src/core/hle/service/nifm/nifm.cpp
+++ b/src/core/hle/service/nifm/nifm.cpp
@@ -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 {
 
@@ -271,213 +270,227 @@ public:
     }
 };
 
-class IGeneralService final : public ServiceFramework<IGeneralService> {
-public:
-    explicit IGeneralService(Core::System& system_);
+void IGeneralService::GetClientId(Kernel::HLERequestContext& ctx) {
+    static constexpr u32 client_id = 1;
+    LOG_WARNING(Service_NIFM, "(STUBBED) called");
 
-private:
-    void 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
+}
 
-        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 IGeneralService::CreateScanRequest(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Service_NIFM, "called");
 
-    void CreateScanRequest(Kernel::HLERequestContext& ctx) {
-        LOG_DEBUG(Service_NIFM, "called");
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
 
-        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(ResultSuccess);
+    rb.PushIpcInterface<IScanRequest>(system);
+}
 
-        rb.Push(ResultSuccess);
-        rb.PushIpcInterface<IScanRequest>(system);
-    }
+void IGeneralService::CreateRequest(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Service_NIFM, "called");
 
-    void CreateRequest(Kernel::HLERequestContext& ctx) {
-        LOG_DEBUG(Service_NIFM, "called");
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
 
-        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(ResultSuccess);
+    rb.PushIpcInterface<IRequest>(system);
+}
 
-        rb.Push(ResultSuccess);
-        rb.PushIpcInterface<IRequest>(system);
-    }
+void IGeneralService::GetCurrentNetworkProfile(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_NIFM, "(STUBBED) called");
 
-    void GetCurrentNetworkProfile(Kernel::HLERequestContext& ctx) {
-        LOG_WARNING(Service_NIFM, "(STUBBED) called");
+    const auto net_iface = Network::GetSelectedNetworkInterface();
 
-        const auto net_iface = Network::GetSelectedNetworkInterface();
-
-        const SfNetworkProfileData network_profile_data = [&net_iface] {
-            if (!net_iface) {
-                return SfNetworkProfileData{};
-            }
-
-            return SfNetworkProfileData{
-                .ip_setting_data{
-                    .ip_address_setting{
-                        .is_automatic{true},
-                        .current_address{Network::TranslateIPv4(net_iface->ip_address)},
-                        .subnet_mask{Network::TranslateIPv4(net_iface->subnet_mask)},
-                        .gateway{Network::TranslateIPv4(net_iface->gateway)},
-                    },
-                    .dns_setting{
-                        .is_automatic{true},
-                        .primary_dns{1, 1, 1, 1},
-                        .secondary_dns{1, 0, 0, 1},
-                    },
-                    .proxy_setting{
-                        .enabled{false},
-                        .port{},
-                        .proxy_server{},
-                        .automatic_auth_enabled{},
-                        .user{},
-                        .password{},
-                    },
-                    .mtu{1500},
+    SfNetworkProfileData network_profile_data = [&net_iface] {
+        if (!net_iface) {
+            return SfNetworkProfileData{};
+        }
+
+        return SfNetworkProfileData{
+            .ip_setting_data{
+                .ip_address_setting{
+                    .is_automatic{true},
+                    .current_address{Network::TranslateIPv4(net_iface->ip_address)},
+                    .subnet_mask{Network::TranslateIPv4(net_iface->subnet_mask)},
+                    .gateway{Network::TranslateIPv4(net_iface->gateway)},
                 },
-                .uuid{0xdeadbeef, 0xdeadbeef},
-                .network_name{"yuzu Network"},
-                .wireless_setting_data{
-                    .ssid_length{12},
-                    .ssid{"yuzu Network"},
-                    .passphrase{"yuzupassword"},
+                .dns_setting{
+                    .is_automatic{true},
+                    .primary_dns{1, 1, 1, 1},
+                    .secondary_dns{1, 0, 0, 1},
                 },
-            };
-        }();
-
-        ctx.WriteBuffer(network_profile_data);
+                .proxy_setting{
+                    .enabled{false},
+                    .port{},
+                    .proxy_server{},
+                    .automatic_auth_enabled{},
+                    .user{},
+                    .password{},
+                },
+                .mtu{1500},
+            },
+            .uuid{0xdeadbeef, 0xdeadbeef},
+            .network_name{"yuzu Network"},
+            .wireless_setting_data{
+                .ssid_length{12},
+                .ssid{"yuzu Network"},
+                .passphrase{"yuzupassword"},
+            },
+        };
+    }();
 
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
+    // 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();
+        }
     }
 
-    void RemoveNetworkProfile(Kernel::HLERequestContext& ctx) {
-        LOG_WARNING(Service_NIFM, "(STUBBED) called");
+    ctx.WriteBuffer(network_profile_data);
 
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
-    }
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
 
-    void GetCurrentIpAddress(Kernel::HLERequestContext& ctx) {
-        LOG_WARNING(Service_NIFM, "(STUBBED) called");
+void IGeneralService::RemoveNetworkProfile(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_NIFM, "(STUBBED) called");
 
-        auto ipv4 = Network::GetHostIPv4Address();
-        if (!ipv4) {
-            LOG_ERROR(Service_NIFM, "Couldn't get host IPv4 address, defaulting to 0.0.0.0");
-            ipv4.emplace(Network::IPv4Address{0, 0, 0, 0});
-        }
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
 
-        IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(ResultSuccess);
-        rb.PushRaw(*ipv4);
+void IGeneralService::GetCurrentIpAddress(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_NIFM, "(STUBBED) called");
+
+    auto ipv4 = Network::GetHostIPv4Address();
+    if (!ipv4) {
+        LOG_ERROR(Service_NIFM, "Couldn't get host IPv4 address, defaulting to 0.0.0.0");
+        ipv4.emplace(Network::IPv4Address{0, 0, 0, 0});
     }
 
-    void CreateTemporaryNetworkProfile(Kernel::HLERequestContext& ctx) {
-        LOG_DEBUG(Service_NIFM, "called");
+    // 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();
+        }
+    }
 
-        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));
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.PushRaw(*ipv4);
+}
+void IGeneralService::CreateTemporaryNetworkProfile(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Service_NIFM, "called");
 
-        IPC::ResponseBuilder rb{ctx, 6, 0, 1};
+    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));
 
-        rb.Push(ResultSuccess);
-        rb.PushIpcInterface<INetworkProfile>(system);
-        rb.PushRaw<u128>(uuid);
-    }
+    IPC::ResponseBuilder rb{ctx, 6, 0, 1};
 
-    void GetCurrentIpConfigInfo(Kernel::HLERequestContext& ctx) {
-        LOG_WARNING(Service_NIFM, "(STUBBED) called");
+    rb.Push(ResultSuccess);
+    rb.PushIpcInterface<INetworkProfile>(system);
+    rb.PushRaw<u128>(uuid);
+}
 
-        struct IpConfigInfo {
-            IpAddressSetting ip_address_setting{};
-            DnsSetting dns_setting{};
-        };
-        static_assert(sizeof(IpConfigInfo) == sizeof(IpAddressSetting) + sizeof(DnsSetting),
-                      "IpConfigInfo has incorrect size.");
+void IGeneralService::GetCurrentIpConfigInfo(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_NIFM, "(STUBBED) called");
 
-        const auto net_iface = Network::GetSelectedNetworkInterface();
+    struct IpConfigInfo {
+        IpAddressSetting ip_address_setting{};
+        DnsSetting dns_setting{};
+    };
+    static_assert(sizeof(IpConfigInfo) == sizeof(IpAddressSetting) + sizeof(DnsSetting),
+                  "IpConfigInfo has incorrect size.");
 
-        const IpConfigInfo ip_config_info = [&net_iface] {
-            if (!net_iface) {
-                return IpConfigInfo{};
-            }
+    const auto net_iface = Network::GetSelectedNetworkInterface();
 
-            return IpConfigInfo{
-                .ip_address_setting{
-                    .is_automatic{true},
-                    .current_address{Network::TranslateIPv4(net_iface->ip_address)},
-                    .subnet_mask{Network::TranslateIPv4(net_iface->subnet_mask)},
-                    .gateway{Network::TranslateIPv4(net_iface->gateway)},
-                },
-                .dns_setting{
-                    .is_automatic{true},
-                    .primary_dns{1, 1, 1, 1},
-                    .secondary_dns{1, 0, 0, 1},
-                },
-            };
-        }();
+    IpConfigInfo ip_config_info = [&net_iface] {
+        if (!net_iface) {
+            return IpConfigInfo{};
+        }
 
-        IPC::ResponseBuilder rb{ctx, 2 + (sizeof(IpConfigInfo) + 3) / sizeof(u32)};
-        rb.Push(ResultSuccess);
-        rb.PushRaw<IpConfigInfo>(ip_config_info);
+        return IpConfigInfo{
+            .ip_address_setting{
+                .is_automatic{true},
+                .current_address{Network::TranslateIPv4(net_iface->ip_address)},
+                .subnet_mask{Network::TranslateIPv4(net_iface->subnet_mask)},
+                .gateway{Network::TranslateIPv4(net_iface->gateway)},
+            },
+            .dns_setting{
+                .is_automatic{true},
+                .primary_dns{1, 1, 1, 1},
+                .secondary_dns{1, 0, 0, 1},
+            },
+        };
+    }();
+
+    // 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();
+        }
     }
 
-    void IsWirelessCommunicationEnabled(Kernel::HLERequestContext& ctx) {
-        LOG_WARNING(Service_NIFM, "(STUBBED) called");
+    IPC::ResponseBuilder rb{ctx, 2 + (sizeof(IpConfigInfo) + 3) / sizeof(u32)};
+    rb.Push(ResultSuccess);
+    rb.PushRaw<IpConfigInfo>(ip_config_info);
+}
 
-        IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(ResultSuccess);
-        rb.Push<u8>(0);
-    }
+void IGeneralService::IsWirelessCommunicationEnabled(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_NIFM, "(STUBBED) called");
 
-    void GetInternetConnectionStatus(Kernel::HLERequestContext& ctx) {
-        LOG_WARNING(Service_NIFM, "(STUBBED) called");
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.Push<u8>(1);
+}
 
-        struct Output {
-            InternetConnectionType type{InternetConnectionType::WiFi};
-            u8 wifi_strength{3};
-            InternetConnectionStatus state{InternetConnectionStatus::Connected};
-        };
-        static_assert(sizeof(Output) == 0x3, "Output has incorrect size.");
+void IGeneralService::GetInternetConnectionStatus(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_NIFM, "(STUBBED) called");
 
-        constexpr Output out{};
+    struct Output {
+        InternetConnectionType type{InternetConnectionType::WiFi};
+        u8 wifi_strength{3};
+        InternetConnectionStatus state{InternetConnectionStatus::Connected};
+    };
+    static_assert(sizeof(Output) == 0x3, "Output has incorrect size.");
 
-        IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(ResultSuccess);
-        rb.PushRaw(out);
-    }
+    constexpr Output out{};
 
-    void IsEthernetCommunicationEnabled(Kernel::HLERequestContext& ctx) {
-        LOG_WARNING(Service_NIFM, "(STUBBED) called");
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.PushRaw(out);
+}
 
-        IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(ResultSuccess);
-        if (Network::GetHostIPv4Address().has_value()) {
-            rb.Push<u8>(1);
-        } else {
-            rb.Push<u8>(0);
-        }
+void IGeneralService::IsEthernetCommunicationEnabled(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_NIFM, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    if (Network::GetHostIPv4Address().has_value()) {
+        rb.Push<u8>(1);
+    } 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);
-        if (Network::GetHostIPv4Address().has_value()) {
-            rb.Push<u8>(1);
-        } else {
-            rb.Push<u8>(0);
-        }
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    if (Network::GetHostIPv4Address().has_value()) {
+        rb.Push<u8>(1);
+    } 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_)
diff --git a/src/core/hle/service/nifm/nifm.h b/src/core/hle/service/nifm/nifm.h
index 5f62d0014..48161be28 100644
--- a/src/core/hle/service/nifm/nifm.h
+++ b/src/core/hle/service/nifm/nifm.h
@@ -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
diff --git a/src/core/hle/service/sockets/bsd.cpp b/src/core/hle/service/sockets/bsd.cpp
index c7194731e..e08c3cb67 100644
--- a/src/core/hle/service/sockets/bsd.cpp
+++ b/src/core/hle/service/sockets/bsd.cpp
@@ -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);
 
-    descriptor.socket = std::make_unique<Network::Socket>();
+    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;
diff --git a/src/core/hle/service/sockets/bsd.h b/src/core/hle/service/sockets/bsd.h
index 9ea36428d..81e855e0f 100644
--- a/src/core/hle/service/sockets/bsd.h
+++ b/src/core/hle/service/sockets/bsd.h
@@ -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> {
diff --git a/src/core/hle/service/sockets/sockets.h b/src/core/hle/service/sockets/sockets.h
index b735b00fc..31b7dad33 100644
--- a/src/core/hle/service/sockets/sockets.h
+++ b/src/core/hle/service/sockets/sockets.h
@@ -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);
 
diff --git a/src/core/hle/service/sockets/sockets_translate.cpp b/src/core/hle/service/sockets/sockets_translate.cpp
index 2db10ec81..023aa0486 100644
--- a/src/core/hle/service/sockets/sockets_translate.cpp
+++ b/src/core/hle/service/sockets/sockets_translate.cpp
@@ -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;
diff --git a/src/core/internal_network/network.cpp b/src/core/internal_network/network.cpp
index 36c43cc8f..160cc83e4 100644
--- a/src/core/internal_network/network.cpp
+++ b/src/core/internal_network/network.cpp
@@ -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 {};
-    }
+    char ip_addr[16] = {};
+    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
diff --git a/src/core/internal_network/network.h b/src/core/internal_network/network.h
index 10e5ef10d..36994c22e 100644
--- a/src/core/internal_network/network.h
+++ b/src/core/internal_network/network.h
@@ -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;
 };
diff --git a/src/core/internal_network/socket_proxy.cpp b/src/core/internal_network/socket_proxy.cpp
new file mode 100644
index 000000000..6e8924822
--- /dev/null
+++ b/src/core/internal_network/socket_proxy.cpp
@@ -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
diff --git a/src/core/internal_network/socket_proxy.h b/src/core/internal_network/socket_proxy.h
new file mode 100644
index 000000000..ef7d5b554
--- /dev/null
+++ b/src/core/internal_network/socket_proxy.h
@@ -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
diff --git a/src/core/internal_network/sockets.h b/src/core/internal_network/sockets.h
index 77e27e928..92dc49993 100644
--- a/src/core/internal_network/sockets.h
+++ b/src/core/internal_network/sockets.h
@@ -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() {}
+
+    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;
 
-    explicit Socket() = default;
-    ~Socket();
+    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);