mirror of
https://github.com/DarkflameUniverse/DarkflameServer.git
synced 2026-10-02 02:43:44 +00:00
refactor: world packets as structs
WorldPackets now holds what a client sends a world server, one struct per packet with Serialize/Deserialize: Validation, CharacterListRequest, CharacterCreateRequest, CharacterLoginRequest, GameMessage, CharacterDeleteRequest, CharacterRenameRequest, LevelLoadComplete, PositionUpdate, MailPacket, RoutePacket, StringCheck, GeneralChatMessage, HandleFunness, UIHelpTop5. WorldServer's switch became a dispatch map of handlers (each overrides Handle in WorldServer.cpp, logic unchanged: dashboard hooks, LoadPlayer, chat logging, migration checks, message inspector capture all still run); a packet that does not deserialize is logged and dropped. UserManager's create/delete/rename take the structs. The answers are ClientPackets (the CLIENT service): LoadStaticZone, CharacterListResponse, CharacterCreateResponse, CharacterRenameResponse, DeleteCharacterResponse, TransferToWorld, ServerStates, CreateCharacter, ChatModerationString, MakeGMResponse, HTTPMonitorInfoResponse and DebugOutput, built at the call sites (world server, UserManager, slash commands, dashboard actions, components, migration). The world -> chat forward of a routed packet is ChatPackets::RoutedFromClient. All WorldPackets::Send* functions, HTTPMonitorInfo and the ClientPackets parse functions are gone. The architecture doc now states the file rule: a packet lives in the file of the ServiceType in its header. No wire change. Verified against frozen verbatim copies of the old code (tests/dGameTests/dNetTests/Legacy/WorldPacketsLegacy.h): every response is sent through the old function and the struct over grids of inputs (all enum values, strings of every length class, IDs, >64 moderation segments, big XML) and must match byte for byte; every request is read by the old code and the struct and must give the same values; plus golden bytes, round trips, truncation checks and a field width mutation that made the tests fail. Only differences: malformed requests are dropped instead of handled with partial values, and LevelLoadComplete now reads the zone ID the client sends after it (lu_packets and captures show the 1.10.64 client always sends it; DLU ignored it). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
@@ -12,6 +12,8 @@
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#include <ctime>
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#include <chrono>
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#include <thread>
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#include <functional>
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#include <memory>
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#include "MD5.h"
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@@ -773,7 +775,14 @@ void HandleMasterPacket(Packet* packet) {
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z = pos.z;
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}
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WorldPackets::SendLoadStaticZone(it->second.sysAddr, x, y, z, zone->GetChecksum(), Game::zoneManager->GetZoneID());
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ClientPackets::LoadStaticZone loadZone;
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const auto zoneID = Game::zoneManager->GetZoneID();
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loadZone.mapID = zoneID.GetMapID();
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loadZone.instanceID = zoneID.GetInstanceID();
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loadZone.cloneID = 0; // DLU has always sent 0 here, whatever the clone
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loadZone.mapChecksum = zone->GetChecksum();
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loadZone.playerPosition = NiPoint3(x, y, z);
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loadZone.Send(it->second.sysAddr);
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}
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if (Game::server->GetZoneID() == 0) {
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@@ -1029,8 +1038,18 @@ void LoadPlayer(const SystemAddress& sysAddr) {
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destroyableComponent->FixStats();
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}
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WorldPackets::SendCreateCharacter(sysAddr, characterComponent->GetReputation(), player->GetObjectID(), c->GetXMLData(), username, c->GetGMLevel(), c->GetPropertyCloneID());
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WorldPackets::SendServerState(sysAddr);
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ClientPackets::CreateCharacter createCharacter;
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createCharacter.objectID = player->GetObjectID();
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createCharacter.xmlData = c->GetXMLData();
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createCharacter.name = username;
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createCharacter.gmLevel = c->GetGMLevel();
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createCharacter.chatMode = static_cast<int32_t>(c->GetGMLevel());
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createCharacter.reputation = characterComponent->GetReputation();
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createCharacter.propertyCloneID = c->GetPropertyCloneID();
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createCharacter.Send(sysAddr);
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LOG("Sent CreateCharacter for ID: %llu", player->GetObjectID());
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ClientPackets::ServerStates serverStates;
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serverStates.Send(sysAddr);
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const auto respawnPoint = player->GetCharacter()->GetRespawnPoint(Game::zoneManager->GetZone()->GetWorldID());
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@@ -1192,6 +1211,463 @@ void CleanupDisconnectedUser(const SystemAddress& sysAddr) {
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Game::server->SendToMaster(bitStream);
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}
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// The world server's handlers for what clients send (ServiceType::WORLD). WorldPackets has the structs; each one is
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// handled by overriding Handle here, where the server's state is.
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namespace {
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struct ValidationPacket final : public WorldPackets::Validation {
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void Handle() override {
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const auto& clientDatabaseChecksum = fdbChecksum;
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// If the check is turned on, validate the client's database checksum.
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if (Game::config->GetValue("check_fdb") == "1" && !g_DatabaseChecksum.empty()) {
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auto accountInfo = Database::Get()->GetAccountInfo(username.GetAsString());
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if (!accountInfo) {
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LOG("Client's account does not exist in the database, aborting connection.");
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Game::server->Disconnect(sysAddr, eServerDisconnectIdentifiers::CHARACTER_NOT_FOUND);
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return;
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}
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// Developers may skip this check
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if (clientDatabaseChecksum.string != g_DatabaseChecksum) {
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if (accountInfo->maxGmLevel < eGameMasterLevel::DEVELOPER) {
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LOG("Client's database checksum does not match the server's, aborting connection.");
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Stamps stamps;
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stamps.Add(eStamps::PASSPORT_AUTH_ERROR, 1);
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// Using the LoginResponse here since the UI is still in the login screen state
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// and we have a way to send a message about the client mismatch.
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AuthPackets::SendLoginResponse(
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Game::server, sysAddr, eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH,
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Game::config->GetValue("cdclient_mismatch_message"), "", 0, "", stamps);
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return;
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} else {
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AMFArrayValue args;
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args.Insert("title", Game::config->GetValue("cdclient_mismatch_title"));
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args.Insert("message", Game::config->GetValue("cdclient_mismatch_message"));
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GameMessages::SendUIMessageServerToSingleClient("ToggleAnnounce", args, sysAddr);
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LOG("Account (%s) with GmLevel (%s) does not have a matching FDB, but is a developer and will skip this check."
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, username.GetAsString().c_str(), StringifiedEnum::ToString(accountInfo->maxGmLevel).data());
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}
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}
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}
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//Request the session info from Master:
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CBITSTREAM;
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BitStreamUtils::WriteHeader(bitStream, ServiceType::MASTER, MessageType::Master::REQUEST_SESSION_KEY);
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bitStream.Write(username);
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Game::server->SendToMaster(bitStream);
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//Insert info into our pending list
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TempSessionInfo info;
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info.sysAddr = sysAddr;
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info.hash = sessionKey.GetAsString();
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g_PendingUsers[username.GetAsString()] = info;
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}
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};
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struct CharacterListRequestPacket final : public WorldPackets::CharacterListRequest {
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void Handle() override {
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//We need to delete the entity first, otherwise the char list could delete it while it exists in the world!
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if (Game::server->GetZoneID() != 0) {
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auto user = UserManager::Instance()->GetUser(sysAddr);
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if (!user || !user->GetLastUsedChar()) return;
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Game::entityManager->DestroyEntity(user->GetLastUsedChar()->GetEntity());
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}
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//This loops prevents users who aren't authenticated to double-request the char list, which
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//would make the login screen freeze sometimes.
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if (g_PendingUsers.size() > 0) {
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for (const auto& it : g_PendingUsers) {
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if (it.second.sysAddr == sysAddr) {
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return;
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}
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}
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}
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UserManager::Instance()->RequestCharacterList(sysAddr);
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}
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};
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struct GameMessagePacket final : public WorldPackets::GameMessage {
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void Handle() override {
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auto isSender = CheatDetection::VerifyLwoobjidIsSender(
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objectID,
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sysAddr,
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CheckType::Entity,
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"Sending GM with a sending player that does not match their own. GM ID: %i",
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static_cast<int32_t>(messageID)
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);
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if (isSender) GameMessageHandler::HandleMessage(data, sysAddr, objectID, messageID);
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}
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};
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struct CharacterCreateRequestPacket final : public WorldPackets::CharacterCreateRequest {
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void Handle() override {
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UserManager::Instance()->CreateCharacter(sysAddr, *this);
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}
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};
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struct CharacterLoginRequestPacket final : public WorldPackets::CharacterLoginRequest {
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void Handle() override {
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LOG("User is requesting to login with character %llu", playerID);
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bool valid = CheatDetection::VerifyLwoobjidIsSender(
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playerID,
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sysAddr,
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CheckType::User,
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"Sending login request with a sending player that does not match their own. Player ID: %llu",
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playerID
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);
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LOG("Login request for player %llu is %s", playerID, valid ? "valid" : "invalid");
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if (!valid) return;
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auto user = UserManager::Instance()->GetUser(sysAddr);
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if (user) {
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auto lastCharacter = user->GetLoggedInChar();
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// This means we swapped characters and we need to remove the previous player from the container.
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if (lastCharacter != playerID) {
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CBITSTREAM;
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BitStreamUtils::WriteHeader(bitStream, ServiceType::CHAT, MessageType::Chat::UNEXPECTED_DISCONNECT);
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bitStream.Write(lastCharacter);
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Game::chatServer->Send(&bitStream, SYSTEM_PRIORITY, RELIABLE, 0, Game::chatSysAddr, false);
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}
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}
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UserManager::Instance()->LoginCharacter(sysAddr, playerID);
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}
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};
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struct CharacterDeleteRequestPacket final : public WorldPackets::CharacterDeleteRequest {
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void Handle() override {
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UserManager::Instance()->DeleteCharacter(sysAddr, *this);
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}
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};
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struct CharacterRenameRequestPacket final : public WorldPackets::CharacterRenameRequest {
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void Handle() override {
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UserManager::Instance()->RenameCharacter(sysAddr, *this);
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}
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};
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struct LevelLoadCompletePacket final : public WorldPackets::LevelLoadComplete {
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void Handle() override {
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LOG("Received level load complete from user.");
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LoadPlayer(sysAddr);
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}
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};
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struct PositionUpdatePacket final : public WorldPackets::PositionUpdate {
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void Handle() override {
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auto positionUpdate = update;
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User* user = UserManager::Instance()->GetUser(sysAddr);
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if (!user) {
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LOG("Unable to get user to parse position update");
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return;
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}
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if (const auto* const lastChar = user->GetLastUsedChar()) {
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if (auto* const entity = Game::entityManager->GetEntity(lastChar->GetObjectID())) {
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entity->ProcessPositionUpdate(positionUpdate);
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}
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}
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}
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};
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struct MailPacket final : public WorldPackets::MailPacket {
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void Handle() override {
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if (auto* const user = UserManager::Instance()->GetUser(sysAddr)) {
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if (auto* const lastChar = user->GetLastUsedChar()) {
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if (auto* const entity = lastChar->GetEntity()) {
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Mail::HandleMail(data, sysAddr, entity);
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}
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}
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}
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}
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};
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struct RoutePacket final : public WorldPackets::RoutePacket {
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void Handle() override {
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//Yeet to chat
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if (size > 20000) {
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LOG("Tried to route a packet with a read size > 20000, so likely a false packet.");
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return;
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}
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//We need to insert the player's objectID so the chat server can find who originated this request:
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LWOOBJID objectID = 0;
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auto user = UserManager::Instance()->GetUser(sysAddr);
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if (user) {
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const auto* const lastChar = user->GetLastUsedChar();
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if (lastChar) objectID = lastChar->GetObjectID();
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}
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const auto routed = ToChat(objectID);
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RakNet::BitStream bitStream;
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routed.WritePacket(bitStream);
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Game::chatServer->Send(&bitStream, SYSTEM_PRIORITY, RELIABLE_ORDERED, 0, Game::chatSysAddr, false);
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}
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};
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struct StringCheckPacket final : public WorldPackets::StringCheck {
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void Handle() override {
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const auto receiver = GetNarrowReceiver();
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const auto message = GetNarrowMessage();
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// TODO: Find a good home for the logic in this case.
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User* user = UserManager::Instance()->GetUser(sysAddr);
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if (!user) {
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LOG("Unable to get user to parse chat moderation request");
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return;
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}
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auto* entity = PlayerManager::GetPlayer(sysAddr);
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if (entity == nullptr) {
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LOG("Unable to get player to parse chat moderation request");
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return;
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}
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// Check if the player has restricted chat access
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auto* character = entity->GetCharacter();
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if (character->HasPermission(ePermissionMap::RestrictedChatAccess)) {
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// Send a message to the player
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ChatPackets::SendSystemMessage(
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sysAddr,
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u"This character has restricted chat access."
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);
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return;
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}
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bool isBestFriend = false;
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if (chatLevel == 1) {
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// Private chat
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LWOOBJID idOfReceiver = LWOOBJID_EMPTY;
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{
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auto characterIdFetch = Database::Get()->GetCharacterInfo(receiver);
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if (characterIdFetch) {
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idOfReceiver = characterIdFetch->id;
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}
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}
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const auto& bffMap = user->GetIsBestFriendMap();
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if (bffMap.find(receiver) == bffMap.end() && idOfReceiver != LWOOBJID_EMPTY) {
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auto bffInfo = Database::Get()->GetBestFriendStatus(entity->GetObjectID(), idOfReceiver);
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if (bffInfo) {
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isBestFriend = bffInfo->bestFriendStatus == 3;
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}
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if (isBestFriend) {
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user->UpdateBestFriendValue(receiver, true);
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}
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} else if (bffMap.find(receiver) != bffMap.end()) {
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isBestFriend = true;
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}
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}
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const auto segments = Game::chatFilter->IsSentenceOkay(message, entity->GetGMLevel(), !(isBestFriend && chatLevel == 1));
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bool bAllClean = segments.empty();
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if (user->GetIsMuted()) {
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bAllClean = false;
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}
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user->SetLastChatMessageApproved(bAllClean);
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ClientPackets::ChatModerationString response;
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response.requestAccepted = segments.empty(); // What DLU has always sent, even when bAllClean is false
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response.requestID = requestID;
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response.receiver = LUWString(receiver, 42);
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response.rejectedSegments = segments;
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response.Send(sysAddr);
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}
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};
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struct GeneralChatMessagePacket final : public WorldPackets::GeneralChatMessage {
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void Handle() override {
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if (g_ChatDisabled) {
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ChatPackets::SendMessageFail(sysAddr);
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} else {
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// TODO: Find a good home for the logic in this case.
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User* user = UserManager::Instance()->GetUser(sysAddr);
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if (!user) {
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LOG("Unable to get user to parse chat message");
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return;
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}
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const auto* const lastChar = user->GetLastUsedChar();
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if (!lastChar) {
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LOG("No last used character for chat message %i", user->GetAccountID());
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return;
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}
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if (user->GetIsMuted()) {
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lastChar->SendMuteNotice();
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return;
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}
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std::string playerName = lastChar->GetName();
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bool isMythran = lastChar->GetGMLevel() > eGameMasterLevel::CIVILIAN;
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bool isOk = Game::chatFilter->IsSentenceOkay(GeneralUtils::UTF16ToWTF8(message), lastChar->GetGMLevel()).empty();
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LOG_DEBUG("Msg: %s was approved previously? %i", GeneralUtils::UTF16ToWTF8(message).c_str(), user->GetLastChatMessageApproved());
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// Kept for moderation and chat bridges, including what the filter stopped (log_chat=0 turns it off)
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if (Game::config->GetValue("log_chat") != "0") {
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IChatLog::ChatMessage entry;
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entry.time = static_cast<int64_t>(std::time(nullptr));
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entry.channel = "zone";
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entry.senderId = user->GetLoggedInChar();
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entry.senderName = lastChar->GetName();
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entry.accountId = user->GetAccountID();
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entry.zoneId = Game::server->GetZoneID();
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entry.instanceId = static_cast<uint32_t>(Game::server->GetInstanceID());
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entry.cloneId = Game::zoneManager->GetZoneID().GetCloneID();
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entry.message = GeneralUtils::UTF16ToWTF8(message);
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entry.blocked = !isOk;
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try {
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Database::Get()->InsertChatMessage(entry);
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} catch (const std::exception& ex) {
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LOG("Couldn't log a chat message: %s", ex.what());
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}
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}
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if (!isOk) return;
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if (!isOk && !isMythran) return;
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std::string sMessage = GeneralUtils::UTF16ToWTF8(message);
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LOG("%s: %s", playerName.c_str(), sMessage.c_str());
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ChatPackets::SendChatMessage(sysAddr, chatChannel, playerName, user->GetLoggedInChar(), isMythran, message);
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if (PropertyManagementComponent::Instance()) PropertyManagementComponent::Instance()->OnChatMessageReceived(sMessage);
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}
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}
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};
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struct HandleFunnessPacket final : public WorldPackets::HandleFunness {
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void Handle() override {
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//This means the client is running slower or faster than it should.
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//Could be insane lag, but I'mma just YEET them as it's usually speedhacking.
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//This is updated to now count the amount of times we've been caught "speedhacking" to kick with a delay
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//This is hopefully going to fix the random disconnects people face sometimes.
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CaughtFunness funness;
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funness.cheatInfo = this->cheatInfo;
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funness.cheatType = this->cheatType;
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const auto [cheatType, cheatInfo] = funness;
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LOG_DEBUG("Received cheat type %s with info %f", StringifiedEnum::ToString(cheatType).data(), cheatInfo);
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const auto disabledCheats = Game::config->GetValue("disable_anti_speedhack") == "1";
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User* user = UserManager::Instance()->GetUser(sysAddr);
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if (!user) {
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Game::server->Disconnect(sysAddr, eServerDisconnectIdentifiers::KICK);
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return;
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}
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const auto* const character = user->GetLastUsedChar();
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if (character) {
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const auto dcUser = [](const User& user, const SystemAddress& sysAddr) {
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if (user.GetMaxGMLevel() < eGameMasterLevel::DEVELOPER) {
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Game::server->Disconnect(sysAddr, eServerDisconnectIdentifiers::KICK);
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}
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};
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if (cheatType == eFunnessTypes::DebuggerActive) {
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LOG("Player %s was detected to be using a debugger (funness thread was %f seconds longer than expected deviation).", character->GetName().c_str(), cheatInfo);
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// Immediately kick unless they are a gm
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if (!disabledCheats) dcUser(*user, sysAddr);
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} else if (cheatType == eFunnessTypes::FdbFailedChecksum) {
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LOG("Player %s has failed the fdb checksum after passing it to sign into this server, highly likely cheating.", character->GetName().c_str());
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// Immedately kick unless they are a gm
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if (!disabledCheats) dcUser(*user, sysAddr);
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} else if (cheatType == eFunnessTypes::RacingBoostTimeTooLong) {
|
||||
if (cheatInfo == 0.0f) LOG("Player %s has enabled a speedboost for far too long (> 3.501 seconds).", character->GetName().c_str());
|
||||
else if (cheatInfo == 1.0f) LOG("Unknown racing boost/speed variable was tampered with.");
|
||||
else if (cheatInfo == 2.0f) LOG("Player vehicle top speed was tampered with.");
|
||||
if (!disabledCheats) dcUser(*user, sysAddr);
|
||||
} else if (cheatType == eFunnessTypes::SomeRacingManipCheat) {
|
||||
if (cheatInfo >= 0.0f && cheatInfo <= 6.0f) LOG("Cheat RNG value A does not match what it should be %f.", cheatInfo);
|
||||
else if (cheatInfo >= 7.0f && cheatInfo <= 10.0f) LOG("Cheat RNG value B does not match what it should be %f.", cheatInfo);
|
||||
} else if (cheatType == eFunnessTypes::Unknown_9) {
|
||||
LOG("Racing cheat 9 detected with value %f.", cheatInfo);
|
||||
} else if (cheatType == eFunnessTypes::Unknown_10) {
|
||||
LOG("Racing cheat 10 detected with value %f.", cheatInfo);
|
||||
} else if (cheatType == eFunnessTypes::CharacterPosLength) {
|
||||
LOG("Detected pos length of %f which is greater than the expected value 1.0f, not normal!", cheatInfo);
|
||||
} else if (cheatType == eFunnessTypes::CharacterVelLength) {
|
||||
LOG("Detected vel length of %f which is greater than the expected value 1.0f, not normal!", cheatInfo);
|
||||
} else if (cheatType == eFunnessTypes::CharacterGravityScale) {
|
||||
LOG("Detected gravity scale difference of %f which is greater than the expected value of 0.0f, not normal!", cheatInfo);
|
||||
} else if (cheatType == eFunnessTypes::CharacterRunMultiplier) {
|
||||
LOG("Detected run multiplier difference of %f which is greater than the expected value 0.0f, not normal!", cheatInfo);
|
||||
}
|
||||
|
||||
if (!disabledCheats && user->GetMaxGMLevel() < eGameMasterLevel::DEVELOPER) user->UserOutOfSync(funness);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
struct UIHelpTop5Packet final : public WorldPackets::UIHelpTop5 {
|
||||
void Handle() override {
|
||||
// TODO: Handle different languages in a nice way
|
||||
// 0: en_US
|
||||
// 1: pl_US
|
||||
// 2: de_DE
|
||||
// 3: en_GB
|
||||
|
||||
// TODO: Find a good home for the logic in this case.
|
||||
auto* user = UserManager::Instance()->GetUser(sysAddr);
|
||||
if (!user) return;
|
||||
auto* character = user->GetLastUsedChar();
|
||||
if (!character) return;
|
||||
auto* entity = character->GetEntity();
|
||||
if (!entity) return;
|
||||
|
||||
AMFArrayValue data;
|
||||
// Summaries
|
||||
data.Insert("Summary0", Game::config->GetValue("help_0_summary"));
|
||||
data.Insert("Summary1", Game::config->GetValue("help_1_summary"));
|
||||
data.Insert("Summary2", Game::config->GetValue("help_2_summary"));
|
||||
data.Insert("Summary3", Game::config->GetValue("help_3_summary"));
|
||||
data.Insert("Summary4", Game::config->GetValue("help_4_summary"));
|
||||
|
||||
// Descriptions
|
||||
data.Insert("Description0", Game::config->GetValue("help_0_description"));
|
||||
data.Insert("Description1", Game::config->GetValue("help_1_description"));
|
||||
data.Insert("Description2", Game::config->GetValue("help_2_description"));
|
||||
data.Insert("Description3", Game::config->GetValue("help_3_description"));
|
||||
data.Insert("Description4", Game::config->GetValue("help_4_description"));
|
||||
|
||||
GameMessages::SendUIMessageServerToSingleClient(entity, sysAddr, "UIHelpTop5", data);
|
||||
}
|
||||
};
|
||||
|
||||
template<typename T>
|
||||
std::unique_ptr<WorldPackets::WorldLUBitStream> Create() { return std::make_unique<T>(); }
|
||||
|
||||
const std::map<MessageType::World, std::function<std::unique_ptr<WorldPackets::WorldLUBitStream>()>> g_WorldHandlers = {
|
||||
{ MessageType::World::VALIDATION, Create<ValidationPacket> },
|
||||
{ MessageType::World::CHARACTER_LIST_REQUEST, Create<CharacterListRequestPacket> },
|
||||
{ MessageType::World::GAME_MSG, Create<GameMessagePacket> },
|
||||
{ MessageType::World::CHARACTER_CREATE_REQUEST, Create<CharacterCreateRequestPacket> },
|
||||
{ MessageType::World::LOGIN_REQUEST, Create<CharacterLoginRequestPacket> },
|
||||
{ MessageType::World::CHARACTER_DELETE_REQUEST, Create<CharacterDeleteRequestPacket> },
|
||||
{ MessageType::World::CHARACTER_RENAME_REQUEST, Create<CharacterRenameRequestPacket> },
|
||||
{ MessageType::World::LEVEL_LOAD_COMPLETE, Create<LevelLoadCompletePacket> },
|
||||
{ MessageType::World::POSITION_UPDATE, Create<PositionUpdatePacket> },
|
||||
{ MessageType::World::MAIL, Create<MailPacket> },
|
||||
{ MessageType::World::ROUTE_PACKET, Create<RoutePacket> },
|
||||
{ MessageType::World::STRING_CHECK, Create<StringCheckPacket> },
|
||||
{ MessageType::World::GENERAL_CHAT_MESSAGE, Create<GeneralChatMessagePacket> },
|
||||
{ MessageType::World::HANDLE_FUNNESS, Create<HandleFunnessPacket> },
|
||||
{ MessageType::World::UI_HELP_TOP_5, Create<UIHelpTop5Packet> },
|
||||
};
|
||||
}
|
||||
|
||||
void HandlePacket(Packet* packet) {
|
||||
if (packet->length < 1) return;
|
||||
if (packet->data[0] == ID_DISCONNECTION_NOTIFICATION || packet->data[0] == ID_CONNECTION_LOST) {
|
||||
@@ -1205,476 +1681,30 @@ void HandlePacket(Packet* packet) {
|
||||
|
||||
CINSTREAM;
|
||||
LUBitStream luBitStream;
|
||||
luBitStream.ReadHeader(inStream);
|
||||
if (!luBitStream.ReadHeader(inStream)) return;
|
||||
|
||||
if (luBitStream.connectionType == ServiceType::COMMON) {
|
||||
CommonPackets::Handle(inStream, packet->systemAddress, luBitStream.internalPacketID);
|
||||
}
|
||||
|
||||
if (luBitStream.connectionType != ServiceType::WORLD) return;
|
||||
LOG_DEBUG("Got world packet %s", StringifiedEnum::ToString(static_cast<MessageType::World>(luBitStream.internalPacketID)).data());
|
||||
switch (static_cast<MessageType::World>(luBitStream.internalPacketID)) {
|
||||
case MessageType::World::VALIDATION: {
|
||||
CINSTREAM_SKIP_HEADER;
|
||||
LUWString username;
|
||||
inStream.Read(username);
|
||||
const auto messageId = static_cast<MessageType::World>(luBitStream.internalPacketID);
|
||||
LOG_DEBUG("Got world packet %s", StringifiedEnum::ToString(messageId).data());
|
||||
|
||||
LUWString sessionKey;
|
||||
// sometimes client puts a null terminator at the end of the checksum and sometimes doesn't, weird
|
||||
inStream.Read(sessionKey);
|
||||
LUString clientDatabaseChecksum(32);
|
||||
inStream.Read(clientDatabaseChecksum);
|
||||
|
||||
// If the check is turned on, validate the client's database checksum.
|
||||
if (Game::config->GetValue("check_fdb") == "1" && !g_DatabaseChecksum.empty()) {
|
||||
auto accountInfo = Database::Get()->GetAccountInfo(username.GetAsString());
|
||||
if (!accountInfo) {
|
||||
LOG("Client's account does not exist in the database, aborting connection.");
|
||||
Game::server->Disconnect(packet->systemAddress, eServerDisconnectIdentifiers::CHARACTER_NOT_FOUND);
|
||||
return;
|
||||
}
|
||||
|
||||
// Developers may skip this check
|
||||
if (clientDatabaseChecksum.string != g_DatabaseChecksum) {
|
||||
|
||||
if (accountInfo->maxGmLevel < eGameMasterLevel::DEVELOPER) {
|
||||
LOG("Client's database checksum does not match the server's, aborting connection.");
|
||||
Stamps stamps;
|
||||
stamps.Add(eStamps::PASSPORT_AUTH_ERROR, 1);
|
||||
|
||||
// Using the LoginResponse here since the UI is still in the login screen state
|
||||
// and we have a way to send a message about the client mismatch.
|
||||
AuthPackets::SendLoginResponse(
|
||||
Game::server, packet->systemAddress, eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH,
|
||||
Game::config->GetValue("cdclient_mismatch_message"), "", 0, "", stamps);
|
||||
return;
|
||||
} else {
|
||||
AMFArrayValue args;
|
||||
|
||||
args.Insert("title", Game::config->GetValue("cdclient_mismatch_title"));
|
||||
args.Insert("message", Game::config->GetValue("cdclient_mismatch_message"));
|
||||
|
||||
GameMessages::SendUIMessageServerToSingleClient("ToggleAnnounce", args, packet->systemAddress);
|
||||
LOG("Account (%s) with GmLevel (%s) does not have a matching FDB, but is a developer and will skip this check."
|
||||
, username.GetAsString().c_str(), StringifiedEnum::ToString(accountInfo->maxGmLevel).data());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//Request the session info from Master:
|
||||
CBITSTREAM;
|
||||
BitStreamUtils::WriteHeader(bitStream, ServiceType::MASTER, MessageType::Master::REQUEST_SESSION_KEY);
|
||||
bitStream.Write(username);
|
||||
Game::server->SendToMaster(bitStream);
|
||||
|
||||
//Insert info into our pending list
|
||||
TempSessionInfo info;
|
||||
info.sysAddr = packet->systemAddress;
|
||||
info.hash = sessionKey.GetAsString();
|
||||
g_PendingUsers[username.GetAsString()] = info;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case MessageType::World::CHARACTER_LIST_REQUEST: {
|
||||
//We need to delete the entity first, otherwise the char list could delete it while it exists in the world!
|
||||
if (Game::server->GetZoneID() != 0) {
|
||||
auto user = UserManager::Instance()->GetUser(packet->systemAddress);
|
||||
if (!user || !user->GetLastUsedChar()) return;
|
||||
Game::entityManager->DestroyEntity(user->GetLastUsedChar()->GetEntity());
|
||||
}
|
||||
|
||||
//This loops prevents users who aren't authenticated to double-request the char list, which
|
||||
//would make the login screen freeze sometimes.
|
||||
if (g_PendingUsers.size() > 0) {
|
||||
for (const auto& it : g_PendingUsers) {
|
||||
if (it.second.sysAddr == packet->systemAddress) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
UserManager::Instance()->RequestCharacterList(packet->systemAddress);
|
||||
break;
|
||||
}
|
||||
|
||||
case MessageType::World::GAME_MSG: {
|
||||
RakNet::BitStream bitStream(packet->data, packet->length, false);
|
||||
|
||||
uint64_t header;
|
||||
LWOOBJID objectID;
|
||||
MessageType::Game messageID;
|
||||
|
||||
bitStream.Read(header);
|
||||
bitStream.Read(objectID);
|
||||
bitStream.Read(messageID);
|
||||
|
||||
RakNet::BitStream dataStream;
|
||||
bitStream.Read(dataStream, bitStream.GetNumberOfUnreadBits());
|
||||
|
||||
auto isSender = CheatDetection::VerifyLwoobjidIsSender(
|
||||
objectID,
|
||||
packet->systemAddress,
|
||||
CheckType::Entity,
|
||||
"Sending GM with a sending player that does not match their own. GM ID: %i",
|
||||
static_cast<int32_t>(messageID)
|
||||
);
|
||||
|
||||
if (isSender) GameMessageHandler::HandleMessage(dataStream, packet->systemAddress, objectID, messageID);
|
||||
break;
|
||||
}
|
||||
|
||||
case MessageType::World::CHARACTER_CREATE_REQUEST: {
|
||||
UserManager::Instance()->CreateCharacter(packet->systemAddress, packet);
|
||||
break;
|
||||
}
|
||||
|
||||
case MessageType::World::LOGIN_REQUEST: {
|
||||
CINSTREAM_SKIP_HEADER;
|
||||
|
||||
LWOOBJID playerID = 0;
|
||||
inStream.Read(playerID);
|
||||
LOG("User is requesting to login with character %llu", playerID);
|
||||
bool valid = CheatDetection::VerifyLwoobjidIsSender(
|
||||
playerID,
|
||||
packet->systemAddress,
|
||||
CheckType::User,
|
||||
"Sending login request with a sending player that does not match their own. Player ID: %llu",
|
||||
playerID
|
||||
);
|
||||
LOG("Login request for player %llu is %s", playerID, valid ? "valid" : "invalid");
|
||||
if (!valid) return;
|
||||
|
||||
auto user = UserManager::Instance()->GetUser(packet->systemAddress);
|
||||
|
||||
if (user) {
|
||||
auto lastCharacter = user->GetLoggedInChar();
|
||||
// This means we swapped characters and we need to remove the previous player from the container.
|
||||
if (lastCharacter != playerID) {
|
||||
CBITSTREAM;
|
||||
BitStreamUtils::WriteHeader(bitStream, ServiceType::CHAT, MessageType::Chat::UNEXPECTED_DISCONNECT);
|
||||
bitStream.Write(lastCharacter);
|
||||
Game::chatServer->Send(&bitStream, SYSTEM_PRIORITY, RELIABLE, 0, Game::chatSysAddr, false);
|
||||
}
|
||||
}
|
||||
|
||||
UserManager::Instance()->LoginCharacter(packet->systemAddress, playerID);
|
||||
break;
|
||||
}
|
||||
|
||||
case MessageType::World::CHARACTER_DELETE_REQUEST: {
|
||||
UserManager::Instance()->DeleteCharacter(packet->systemAddress, packet);
|
||||
break;
|
||||
}
|
||||
|
||||
case MessageType::World::CHARACTER_RENAME_REQUEST: {
|
||||
UserManager::Instance()->RenameCharacter(packet->systemAddress, packet);
|
||||
break;
|
||||
}
|
||||
|
||||
case MessageType::World::LEVEL_LOAD_COMPLETE: {
|
||||
LOG("Received level load complete from user.");
|
||||
LoadPlayer(packet->systemAddress);
|
||||
break;
|
||||
}
|
||||
|
||||
case MessageType::World::POSITION_UPDATE: {
|
||||
auto positionUpdate = ClientPackets::HandleClientPositionUpdate(packet);
|
||||
|
||||
User* user = UserManager::Instance()->GetUser(packet->systemAddress);
|
||||
if (!user) {
|
||||
LOG("Unable to get user to parse position update");
|
||||
return;
|
||||
}
|
||||
|
||||
if (const auto* const lastChar = user->GetLastUsedChar()) {
|
||||
if (auto* const entity = Game::entityManager->GetEntity(lastChar->GetObjectID())) {
|
||||
entity->ProcessPositionUpdate(positionUpdate);
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case MessageType::World::MAIL: {
|
||||
if (auto* const user = UserManager::Instance()->GetUser(packet->systemAddress)) {
|
||||
if (auto* const lastChar = user->GetLastUsedChar()) {
|
||||
if (auto* const entity = lastChar->GetEntity()) {
|
||||
Mail::HandleMail(inStream, packet->systemAddress, entity);
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case MessageType::World::ROUTE_PACKET: {
|
||||
//Yeet to chat
|
||||
CINSTREAM_SKIP_HEADER;
|
||||
uint32_t size = 0;
|
||||
inStream.Read(size);
|
||||
|
||||
if (size > 20000) {
|
||||
LOG("Tried to route a packet with a read size > 20000, so likely a false packet.");
|
||||
return;
|
||||
}
|
||||
|
||||
CBITSTREAM;
|
||||
|
||||
BitStreamUtils::WriteHeader(bitStream, ServiceType::CHAT, packet->data[14]);
|
||||
|
||||
//We need to insert the player's objectID so the chat server can find who originated this request:
|
||||
LWOOBJID objectID = 0;
|
||||
auto user = UserManager::Instance()->GetUser(packet->systemAddress);
|
||||
if (user) {
|
||||
const auto* const lastChar = user->GetLastUsedChar();
|
||||
if (lastChar) objectID = lastChar->GetObjectID();
|
||||
}
|
||||
|
||||
bitStream.Write(objectID);
|
||||
|
||||
//Now write the rest of the data:
|
||||
auto data = inStream.GetData();
|
||||
for (uint32_t i = 23; i - 23 < size && i < packet->length; ++i) {
|
||||
bitStream.Write(data[i]);
|
||||
}
|
||||
|
||||
Game::chatServer->Send(&bitStream, SYSTEM_PRIORITY, RELIABLE_ORDERED, 0, Game::chatSysAddr, false);
|
||||
break;
|
||||
}
|
||||
|
||||
case MessageType::World::STRING_CHECK: {
|
||||
auto request = ClientPackets::HandleChatModerationRequest(packet);
|
||||
|
||||
// TODO: Find a good home for the logic in this case.
|
||||
User* user = UserManager::Instance()->GetUser(packet->systemAddress);
|
||||
if (!user) {
|
||||
LOG("Unable to get user to parse chat moderation request");
|
||||
return;
|
||||
}
|
||||
|
||||
auto* entity = PlayerManager::GetPlayer(packet->systemAddress);
|
||||
|
||||
if (entity == nullptr) {
|
||||
LOG("Unable to get player to parse chat moderation request");
|
||||
return;
|
||||
}
|
||||
|
||||
// Check if the player has restricted chat access
|
||||
auto* character = entity->GetCharacter();
|
||||
|
||||
if (character->HasPermission(ePermissionMap::RestrictedChatAccess)) {
|
||||
// Send a message to the player
|
||||
ChatPackets::SendSystemMessage(
|
||||
packet->systemAddress,
|
||||
u"This character has restricted chat access."
|
||||
);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
bool isBestFriend = false;
|
||||
|
||||
if (request.chatLevel == 1) {
|
||||
// Private chat
|
||||
LWOOBJID idOfReceiver = LWOOBJID_EMPTY;
|
||||
|
||||
{
|
||||
auto characterIdFetch = Database::Get()->GetCharacterInfo(request.receiver);
|
||||
|
||||
if (characterIdFetch) {
|
||||
idOfReceiver = characterIdFetch->id;
|
||||
}
|
||||
}
|
||||
const auto& bffMap = user->GetIsBestFriendMap();
|
||||
if (bffMap.find(request.receiver) == bffMap.end() && idOfReceiver != LWOOBJID_EMPTY) {
|
||||
auto bffInfo = Database::Get()->GetBestFriendStatus(entity->GetObjectID(), idOfReceiver);
|
||||
|
||||
if (bffInfo) {
|
||||
isBestFriend = bffInfo->bestFriendStatus == 3;
|
||||
}
|
||||
|
||||
if (isBestFriend) {
|
||||
user->UpdateBestFriendValue(request.receiver, true);
|
||||
}
|
||||
} else if (bffMap.find(request.receiver) != bffMap.end()) {
|
||||
isBestFriend = true;
|
||||
}
|
||||
}
|
||||
|
||||
const auto segments = Game::chatFilter->IsSentenceOkay(request.message, entity->GetGMLevel(), !(isBestFriend && request.chatLevel == 1));
|
||||
|
||||
bool bAllClean = segments.empty();
|
||||
|
||||
if (user->GetIsMuted()) {
|
||||
bAllClean = false;
|
||||
}
|
||||
|
||||
user->SetLastChatMessageApproved(bAllClean);
|
||||
WorldPackets::SendChatModerationResponse(packet->systemAddress, bAllClean, request.requestID, request.receiver, segments);
|
||||
break;
|
||||
}
|
||||
|
||||
case MessageType::World::GENERAL_CHAT_MESSAGE: {
|
||||
if (g_ChatDisabled) {
|
||||
ChatPackets::SendMessageFail(packet->systemAddress);
|
||||
} else {
|
||||
auto chatMessage = ClientPackets::HandleChatMessage(packet);
|
||||
|
||||
// TODO: Find a good home for the logic in this case.
|
||||
User* user = UserManager::Instance()->GetUser(packet->systemAddress);
|
||||
if (!user) {
|
||||
LOG("Unable to get user to parse chat message");
|
||||
return;
|
||||
}
|
||||
|
||||
const auto* const lastChar = user->GetLastUsedChar();
|
||||
if (!lastChar) {
|
||||
LOG("No last used character for chat message %i", user->GetAccountID());
|
||||
return;
|
||||
}
|
||||
|
||||
if (user->GetIsMuted()) {
|
||||
lastChar->SendMuteNotice();
|
||||
return;
|
||||
}
|
||||
std::string playerName = lastChar->GetName();
|
||||
bool isMythran = lastChar->GetGMLevel() > eGameMasterLevel::CIVILIAN;
|
||||
bool isOk = Game::chatFilter->IsSentenceOkay(GeneralUtils::UTF16ToWTF8(chatMessage.message), lastChar->GetGMLevel()).empty();
|
||||
LOG_DEBUG("Msg: %s was approved previously? %i", GeneralUtils::UTF16ToWTF8(chatMessage.message).c_str(), user->GetLastChatMessageApproved());
|
||||
// Kept for moderation and chat bridges, including what the filter stopped (log_chat=0 turns it off)
|
||||
if (Game::config->GetValue("log_chat") != "0") {
|
||||
IChatLog::ChatMessage entry;
|
||||
entry.time = static_cast<int64_t>(std::time(nullptr));
|
||||
entry.channel = "zone";
|
||||
entry.senderId = user->GetLoggedInChar();
|
||||
entry.senderName = lastChar->GetName();
|
||||
entry.accountId = user->GetAccountID();
|
||||
entry.zoneId = Game::server->GetZoneID();
|
||||
entry.instanceId = static_cast<uint32_t>(Game::server->GetInstanceID());
|
||||
entry.cloneId = Game::zoneManager->GetZoneID().GetCloneID();
|
||||
entry.message = GeneralUtils::UTF16ToWTF8(chatMessage.message);
|
||||
entry.blocked = !isOk;
|
||||
try {
|
||||
Database::Get()->InsertChatMessage(entry);
|
||||
} catch (const std::exception& ex) {
|
||||
LOG("Couldn't log a chat message: %s", ex.what());
|
||||
}
|
||||
}
|
||||
if (!isOk) return;
|
||||
if (!isOk && !isMythran) return;
|
||||
|
||||
std::string sMessage = GeneralUtils::UTF16ToWTF8(chatMessage.message);
|
||||
LOG("%s: %s", playerName.c_str(), sMessage.c_str());
|
||||
ChatPackets::SendChatMessage(packet->systemAddress, chatMessage.chatChannel, playerName, user->GetLoggedInChar(), isMythran, chatMessage.message);
|
||||
if (PropertyManagementComponent::Instance()) PropertyManagementComponent::Instance()->OnChatMessageReceived(sMessage);
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case MessageType::World::HANDLE_FUNNESS: {
|
||||
//This means the client is running slower or faster than it should.
|
||||
//Could be insane lag, but I'mma just YEET them as it's usually speedhacking.
|
||||
//This is updated to now count the amount of times we've been caught "speedhacking" to kick with a delay
|
||||
//This is hopefully going to fix the random disconnects people face sometimes.
|
||||
|
||||
CINSTREAM_SKIP_HEADER;
|
||||
CaughtFunness funness;
|
||||
inStream.Read(funness.cheatInfo);
|
||||
inStream.Read(funness.cheatType);
|
||||
const auto [cheatType, cheatInfo] = funness;
|
||||
LOG_DEBUG("Received cheat type %s with info %f", StringifiedEnum::ToString(cheatType).data(), cheatInfo);
|
||||
const auto disabledCheats = Game::config->GetValue("disable_anti_speedhack") == "1";
|
||||
|
||||
User* user = UserManager::Instance()->GetUser(packet->systemAddress);
|
||||
if (!user) {
|
||||
Game::server->Disconnect(packet->systemAddress, eServerDisconnectIdentifiers::KICK);
|
||||
return;
|
||||
}
|
||||
|
||||
const auto* const character = user->GetLastUsedChar();
|
||||
if (character) {
|
||||
const auto dcUser = [](const User& user, const SystemAddress& sysAddr) {
|
||||
if (user.GetMaxGMLevel() < eGameMasterLevel::DEVELOPER) {
|
||||
Game::server->Disconnect(sysAddr, eServerDisconnectIdentifiers::KICK);
|
||||
}
|
||||
};
|
||||
if (cheatType == eFunnessTypes::DebuggerActive) {
|
||||
LOG("Player %s was detected to be using a debugger (funness thread was %f seconds longer than expected deviation).", character->GetName().c_str(), cheatInfo);
|
||||
// Immediately kick unless they are a gm
|
||||
if (!disabledCheats) dcUser(*user, packet->systemAddress);
|
||||
} else if (cheatType == eFunnessTypes::FdbFailedChecksum) {
|
||||
LOG("Player %s has failed the fdb checksum after passing it to sign into this server, highly likely cheating.", character->GetName().c_str());
|
||||
// Immedately kick unless they are a gm
|
||||
if (!disabledCheats) dcUser(*user, packet->systemAddress);
|
||||
} else if (cheatType == eFunnessTypes::RacingBoostTimeTooLong) {
|
||||
if (cheatInfo == 0.0f) LOG("Player %s has enabled a speedboost for far too long (> 3.501 seconds).", character->GetName().c_str());
|
||||
else if (cheatInfo == 1.0f) LOG("Unknown racing boost/speed variable was tampered with.");
|
||||
else if (cheatInfo == 2.0f) LOG("Player vehicle top speed was tampered with.");
|
||||
if (!disabledCheats) dcUser(*user, packet->systemAddress);
|
||||
} else if (cheatType == eFunnessTypes::SomeRacingManipCheat) {
|
||||
if (cheatInfo >= 0.0f && cheatInfo <= 6.0f) LOG("Cheat RNG value A does not match what it should be %f.", cheatInfo);
|
||||
else if (cheatInfo >= 7.0f && cheatInfo <= 10.0f) LOG("Cheat RNG value B does not match what it should be %f.", cheatInfo);
|
||||
} else if (cheatType == eFunnessTypes::Unknown_9) {
|
||||
LOG("Racing cheat 9 detected with value %f.", cheatInfo);
|
||||
} else if (cheatType == eFunnessTypes::Unknown_10) {
|
||||
LOG("Racing cheat 10 detected with value %f.", cheatInfo);
|
||||
} else if (cheatType == eFunnessTypes::CharacterPosLength) {
|
||||
LOG("Detected pos length of %f which is greater than the expected value 1.0f, not normal!", cheatInfo);
|
||||
} else if (cheatType == eFunnessTypes::CharacterVelLength) {
|
||||
LOG("Detected vel length of %f which is greater than the expected value 1.0f, not normal!", cheatInfo);
|
||||
} else if (cheatType == eFunnessTypes::CharacterGravityScale) {
|
||||
LOG("Detected gravity scale difference of %f which is greater than the expected value of 0.0f, not normal!", cheatInfo);
|
||||
} else if (cheatType == eFunnessTypes::CharacterRunMultiplier) {
|
||||
LOG("Detected run multiplier difference of %f which is greater than the expected value 0.0f, not normal!", cheatInfo);
|
||||
}
|
||||
|
||||
if (!disabledCheats && user->GetMaxGMLevel() < eGameMasterLevel::DEVELOPER) user->UserOutOfSync(funness);
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
case MessageType::World::UI_HELP_TOP_5: {
|
||||
auto language = ClientPackets::SendTop5HelpIssues(packet);
|
||||
// TODO: Handle different languages in a nice way
|
||||
// 0: en_US
|
||||
// 1: pl_US
|
||||
// 2: de_DE
|
||||
// 3: en_GB
|
||||
|
||||
// TODO: Find a good home for the logic in this case.
|
||||
auto* user = UserManager::Instance()->GetUser(packet->systemAddress);
|
||||
if (!user) return;
|
||||
auto* character = user->GetLastUsedChar();
|
||||
if (!character) return;
|
||||
auto* entity = character->GetEntity();
|
||||
if (!entity) return;
|
||||
|
||||
AMFArrayValue data;
|
||||
// Summaries
|
||||
data.Insert("Summary0", Game::config->GetValue("help_0_summary"));
|
||||
data.Insert("Summary1", Game::config->GetValue("help_1_summary"));
|
||||
data.Insert("Summary2", Game::config->GetValue("help_2_summary"));
|
||||
data.Insert("Summary3", Game::config->GetValue("help_3_summary"));
|
||||
data.Insert("Summary4", Game::config->GetValue("help_4_summary"));
|
||||
|
||||
// Descriptions
|
||||
data.Insert("Description0", Game::config->GetValue("help_0_description"));
|
||||
data.Insert("Description1", Game::config->GetValue("help_1_description"));
|
||||
data.Insert("Description2", Game::config->GetValue("help_2_description"));
|
||||
data.Insert("Description3", Game::config->GetValue("help_3_description"));
|
||||
data.Insert("Description4", Game::config->GetValue("help_4_description"));
|
||||
|
||||
GameMessages::SendUIMessageServerToSingleClient(entity, packet->systemAddress, "UIHelpTop5", data);
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
const auto messageId = *reinterpret_cast<MessageType::World*>(&packet->data[3]);
|
||||
const auto handler = g_WorldHandlers.find(messageId);
|
||||
if (handler == g_WorldHandlers.end()) {
|
||||
const std::string_view messageIdString = StringifiedEnum::ToString(messageId);
|
||||
LOG("Unknown world packet received: %4i, %s", messageId, messageIdString.data());
|
||||
return;
|
||||
}
|
||||
|
||||
auto request = handler->second();
|
||||
request->sysAddr = packet->systemAddress;
|
||||
if (!request->Deserialize(inStream)) {
|
||||
LOG("Failed to read world packet %s from %s", StringifiedEnum::ToString(messageId).data(), packet->systemAddress.ToString());
|
||||
return;
|
||||
}
|
||||
request->Handle();
|
||||
}
|
||||
|
||||
void WorldShutdownProcess(uint32_t zoneId) {
|
||||
|
||||
Reference in New Issue
Block a user