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-rw-r--r--src/network/room.cpp170
1 files changed, 68 insertions, 102 deletions
diff --git a/src/network/room.cpp b/src/network/room.cpp
index 3fc3a0383..b06797bf1 100644
--- a/src/network/room.cpp
+++ b/src/network/room.cpp
@@ -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.
@@ -35,10 +33,9 @@ public:
std::string password; ///< The password required to connect to this room.
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.
+ std::string nickname; ///< The nickname of the member.
+ GameInfo game_info; ///< The current game 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)); // Message type
+
+ 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);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 05:35:43 +0200