/// Update the WorldSession (triggered by World update) bool WorldSession::Update(uint32 diff) { /// Update Timeout timer. UpdateTimeOutTime(diff); ///- Before we process anything: /// If necessary, kick the player from the character select screen if (IsConnectionIdle()) m_Socket->CloseSocket(); ///- Retrieve packets from the receive queue and call the appropriate handlers /// not proccess packets if socket already closed WorldPacket* packet; while (m_Socket && !m_Socket->IsClosed() && _recvQueue.next(packet)) { /*#if 1 sLog.outError("MOEP: %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); #endif*/ if (packet->GetOpcode() >= NUM_MSG_TYPES) { sLog.outError("SESSION: received non-existed opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); } else { OpcodeHandler& opHandle = opcodeTable[packet->GetOpcode()]; try { switch (opHandle.status) { case STATUS_LOGGEDIN: if (!_player) { // skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets if (!m_playerRecentlyLogout) LogUnexpectedOpcode(packet, "the player has not logged in yet"); } else if (_player->IsInWorld()) { (this->*opHandle.handler)(*packet); if (sLog.IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); // PlayerBot mod: if this player has bots let the // botAI see the masters packet if(!m_playerBots.empty()) PlayerbotAI::HandleMasterIncomingPacket(*packet, *this); } // lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer break; case STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT: if (!_player && !m_playerRecentlyLogout) { LogUnexpectedOpcode(packet, "the player has not logged in yet and not recently logout"); } else { // not expected _player or must checked in packet hanlder (this->*opHandle.handler)(*packet); if (sLog.IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } break; case STATUS_TRANSFER: if (!_player) LogUnexpectedOpcode(packet, "the player has not logged in yet"); else if (_player->IsInWorld()) LogUnexpectedOpcode(packet, "the player is still in world"); else { (this->*opHandle.handler)(*packet); if (sLog.IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } break; case STATUS_AUTHED: // prevent cheating with skip queue wait if (m_inQueue) { LogUnexpectedOpcode(packet, "the player not pass queue yet"); break; } // single from authed time opcodes send in to after logout time // and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes. if (packet->GetOpcode() != CMSG_SET_ACTIVE_VOICE_CHANNEL) m_playerRecentlyLogout = false; (this->*opHandle.handler)(*packet); if (sLog.IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); break; case STATUS_NEVER: /* sLog.outError("SESSION: received not allowed opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); */ break; } } catch(ByteBufferException &) { sLog.outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.", packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId()); if (sLog.IsOutDebug()) { sLog.outDebug("Dumping error causing packet:"); packet->hexlike(); } } } delete packet; } time_t currTime = time(NULL); ///- If necessary, log the player out if (ShouldLogOut(currTime) && !m_playerLoading) LogoutPlayer(true); //PlayerBot mod - Process player bot packets //The PlayerbotAI class adds to the packet queue to simulate a real player //since Playerbots are known to the World obj only its master's //WorldSession object we need to process all master's bot's packets. for(PlayerBotMap::const_iterator itr = GetPlayerBotsBegin(); itr != GetPlayerBotsEnd(); ++itr) { Player *const botPlayer = itr->second; WorldSession *const pBotWorldSession = botPlayer->GetSession(); if(botPlayer->IsBeingTeleportedFar()) { pBotWorldSession->HandleMoveWorldportAckOpcode(); } else if(botPlayer->IsInWorld()) { WorldPacket *packet; while(pBotWorldSession->_recvQueue.next(packet)) { OpcodeHandler &opHandle = opcodeTable[packet->GetOpcode()]; (pBotWorldSession->*opHandle.handler)(*packet); delete packet; } } } ///- Cleanup socket pointer if need if (m_Socket && m_Socket->IsClosed()) { m_Socket->RemoveReference(); m_Socket = NULL; } if (!m_Socket) return false; //Will remove this session from the world session map return true; }
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data ) { uint32 opcode = recv_data.GetOpcode(); DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode); recv_data.hexlike(); Unit *mover = _player->GetMover(); Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL; // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck if(plMover && plMover->IsBeingTeleported()) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } /* extract packet */ ObjectGuid guid; MovementInfo movementInfo; recv_data >> guid.ReadAsPacked(); recv_data >> movementInfo; /*----------------*/ if (!VerifyMovementInfo(movementInfo, guid)) return; // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map). if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying()) plMover->HandleFall(movementInfo); // ---- anti-cheat features -->>> uint32 Anti_TeleTimeDiff=plMover ? time(NULL) - plMover->Anti__GetLastTeleTime() : time(NULL); static const uint32 Anti_TeleTimeIgnoreDiff=sWorld.GetMvAnticheatIgnoreAfterTeleport(); if (plMover && (plMover->m_transport == 0) && sWorld.GetMvAnticheatEnable() && GetPlayer()->GetSession()->GetSecurity() <= sWorld.GetMvAnticheatGmLevel() && GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()!=FLIGHT_MOTION_TYPE && Anti_TeleTimeDiff>Anti_TeleTimeIgnoreDiff) { const uint32 CurTime=getMSTime(); if (getMSTimeDiff(GetPlayer()->m_anti_lastalarmtime,CurTime) > sWorld.GetMvAnticheatAlarmPeriod()) { GetPlayer()->m_anti_alarmcount = 0; } /* I really don't care about movement-type yet (todo) UnitMoveType move_type; if (movementInfo.flags & MOVEMENTFLAG_FLYING) move_type = MOVE_FLY; else if (movementInfo.flags & MOVEMENTFLAG_SWIMMING) move_type = MOVE_SWIM; else if (movementInfo.flags & MOVEMENTFLAG_WALK_MODE) move_type = MOVE_WALK; else move_type = MOVE_RUN;*/ float delta_x = GetPlayer()->GetPositionX() - movementInfo.GetPos()->x; float delta_y = GetPlayer()->GetPositionY() - movementInfo.GetPos()->y; float delta_z = GetPlayer()->GetPositionZ() - movementInfo.GetPos()->z; float delta = sqrt(delta_x * delta_x + delta_y * delta_y); // Len of movement-vector via Pythagoras (a^2+b^2=Len^2) float tg_z = 0.0f; //tangens float delta_t = getMSTimeDiff(GetPlayer()->m_anti_lastmovetime,CurTime); GetPlayer()->m_anti_lastmovetime = CurTime; GetPlayer()->m_anti_MovedLen += delta; if (delta_t > 15000.0f) { delta_t = 15000.0f; } // Tangens of walking angel if (!(movementInfo.GetMovementFlags() & (MOVEFLAG_FLYING | MOVEFLAG_SWIMMING))) { tg_z = ((delta !=0.0f) && (delta_z > 0.0f)) ? (atan((delta_z*delta_z) / delta) * 180.0f / M_PI) : 0.0f; } //antiOFF fall-damage, MOVEMENTFLAG_UNK4 seted by client if player try movement when falling and unset in this case the MOVEMENTFLAG_FALLING flag. if ((!GetPlayer()->CanFly() && GetPlayer()->m_anti_BeginFallZ == INVALID_HEIGHT) && (movementInfo.GetMovementFlags() & (MOVEFLAG_FALLING | MOVEFLAG_FALLINGFAR)) != 0) { GetPlayer()->m_anti_BeginFallZ=(float)(movementInfo.GetPos()->z); } if (GetPlayer()->m_anti_NextLenCheck <= CurTime) { // Check every 500ms is a lot more advisable then 1000ms, because normal movment packet arrives every 500ms uint32 OldNextLenCheck=GetPlayer()->m_anti_NextLenCheck; float delta_xyt=GetPlayer()->m_anti_MovedLen/(float)(getMSTimeDiff(OldNextLenCheck-500,CurTime)); GetPlayer()->m_anti_NextLenCheck = CurTime+500; GetPlayer()->m_anti_MovedLen = 0.0f; static const float MaxDeltaXYT = sWorld.GetMvAnticheatMaxXYT(); if (delta_xyt > MaxDeltaXYT && delta<=100.0f && GetPlayer()->GetZoneId() != 2257) { if (sWorld.GetMvAnticheatSpeedCheck()) Anti__CheatOccurred(CurTime,"Speed hack",delta_xyt,LookupOpcodeName(opcode), (float)(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()), (float)(getMSTimeDiff(OldNextLenCheck-500,CurTime))); } } if (delta > 100.0f && GetPlayer()->GetZoneId() != 2257) { if (sWorld.GetMvAnticheatTeleportCheck()) Anti__ReportCheat("Tele hack",delta,LookupOpcodeName(opcode)); } // Check for waterwalking . Fix new way of checking for waterwalking by Darky88 if (movementInfo.HasMovementFlag(MOVEFLAG_WATERWALKING) && !(GetPlayer()->HasAuraType(SPELL_AURA_WATER_WALK) || GetPlayer()->HasAuraType(SPELL_AURA_GHOST))) { if(sWorld.GetMvAnticheatWaterCheck()) Anti__CheatOccurred(CurTime,"Water walking",0.0f,NULL,0.0f,(uint32)(movementInfo.GetMovementFlags())); } // Check for walking upwards a mountain while not beeing able to do that, New check by Darky88 if ((delta_z < -2.3f) && (tg_z > 2.37f)) { if (sWorld.GetMvAnticheatMountainCheck()) Anti__CheatOccurred(CurTime,"Mountain hack",tg_z,NULL,delta,delta_z); } static const float DIFF_OVERGROUND = 10.0f; float Anti__GroundZ = GetPlayer()->GetTerrain()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),MAX_HEIGHT); float Anti__FloorZ = GetPlayer()->GetTerrain()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),GetPlayer()->GetPositionZ()); float Anti__MapZ = ((Anti__FloorZ <= (INVALID_HEIGHT+5.0f)) ? Anti__GroundZ : Anti__FloorZ) + DIFF_OVERGROUND; if (!GetPlayer()->CanFly() && !GetPlayer()->GetTerrain()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z-7.0f) && Anti__MapZ < GetPlayer()->GetPositionZ() && Anti__MapZ > (INVALID_HEIGHT+DIFF_OVERGROUND + 5.0f)) { static const float DIFF_AIRJUMP=25.0f; // 25 is realy high, but to many false positives... // Air-Jump-Detection definitively needs a better way to be detected... if ((movementInfo.GetMovementFlags() & (MOVEFLAG_CAN_FLY | MOVEFLAG_FLYING | MOVEFLAG_ROOT)) != 0) // Fly Hack { // Fix Aura 55164 if (!GetPlayer()->HasAura(55164) || !GetPlayer()->HasAuraType(SPELL_AURA_FEATHER_FALL)) if (sWorld.GetMvAnticheatFlyCheck()) Anti__CheatOccurred(CurTime,"Fly hack", ((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_FLY))) + ((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_MOD_FLIGHT_SPEED_MOUNTED))*2), NULL,GetPlayer()->GetPositionZ()-Anti__MapZ); } // Need a better way to do that - currently a lot of fake alarms else if ((Anti__MapZ+DIFF_AIRJUMP < GetPlayer()->GetPositionZ() && (movementInfo.GetMovementFlags() & (MOVEFLAG_FALLINGFAR | MOVEFLAG_PENDINGSTOP))==0) || (Anti__MapZ < GetPlayer()->GetPositionZ() && opcode==MSG_MOVE_JUMP) && !GetPlayer()->HasAuraType(SPELL_AURA_FEATHER_FALL)) { if (sWorld.GetMvAnticheatJumpCheck()) Anti__CheatOccurred(CurTime,"Possible Air Jump Hack",0.0f,LookupOpcodeName(opcode),0.0f,movementInfo.GetMovementFlags()); } } /*if(Anti__FloorZ < -199900.0f && Anti__GroundZ >= -199900.0f && GetPlayer()->GetPositionZ()+5.0f < Anti__GroundZ) { Anti__CheatOccurred(CurTime,"Teleport2Plane hack", GetPlayer()->GetPositionZ(),NULL,Anti__GroundZ); }*/ //Teleport To Plane checks if (movementInfo.GetPos()->z < 0.0001f && movementInfo.GetPos()->z > -0.0001f && (!movementInfo.HasMovementFlag(MovementFlags(MOVEFLAG_SWIMMING | MOVEFLAG_CAN_FLY | MOVEFLAG_FLYING)))) { if(sWorld.GetMvAnticheatTeleport2PlaneCheck()) { // Prevent using TeleportToPlan. Map *map = GetPlayer()->GetMap(); if (map) { float plane_z = map->GetTerrain()->GetHeight(movementInfo.GetPos()->x, movementInfo.GetPos()->y, MAX_HEIGHT) - movementInfo.GetPos()->z; plane_z = (plane_z < -500.0f) ? 0 : plane_z; //check holes in heigth map if(plane_z > 0.1f || plane_z < -0.1f) { if(sWorld.GetMvAnticheatTeleport2PlaneCheck()) Anti__CheatOccurred(CurTime,"Teleport2Plane hack",GetPlayer()->GetPositionZ(),NULL,plane_z); } } } } } // <<---- anti-cheat features /* process position-change */ HandleMoverRelocation(movementInfo); if (plMover) plMover->UpdateFallInformationIfNeed(movementInfo, opcode); // after move info set if (opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE) mover->UpdateWalkMode(mover, false); WorldPacket data(opcode, recv_data.size()); data << mover->GetPackGUID(); // write guid movementInfo.Write(data); // write data mover->SendMessageToSetExcept(&data, _player); }
void WorldSession::HandleCalendarArenaTeam(WorldPacket &recv_data) { sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: CMSG_CALENDAR_ARENA_TEAM"); recv_data.hexlike(); recv_data.read_skip<uint32>(); // unk }
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data ) { uint32 opcode = recv_data.GetOpcode(); DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode); recv_data.hexlike(); Unit *mover = _player->GetMover(); Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL; // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck if(plMover && plMover->IsBeingTeleported()) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } /* extract packet */ ObjectGuid guid; MovementInfo movementInfo; recv_data >> guid.ReadAsPacked(); recv_data >> movementInfo; /*----------------*/ if (!VerifyMovementInfo(movementInfo, guid)) return; // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map). if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying()) plMover->HandleFall(movementInfo); // Movement safety checks uint32 Anti_TeleTimeDiff=plMover ? time(NULL) - plMover->Anti__GetLastTeleTime() : time(NULL); static const uint32 Anti_TeleTimeIgnoreDiff=10; if (plMover && plMover->IsInWorld() && GetSecurity() == SEC_PLAYER && (plMover->m_transport == 0) && GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()!=FLIGHT_MOTION_TYPE && Anti_TeleTimeDiff>Anti_TeleTimeIgnoreDiff) { const uint32 CurTime = WorldTimer::getMSTime(); if (WorldTimer::getMSTimeDiff(GetPlayer()->m_anti_lastalarmtime,CurTime) > 5000) { GetPlayer()->m_anti_alarmcount = 0; } float delta_x = GetPlayer()->GetPositionX() - movementInfo.GetPos()->x; float delta_y = GetPlayer()->GetPositionY() - movementInfo.GetPos()->y; float delta_z = GetPlayer()->GetPositionZ() - movementInfo.GetPos()->z; float delta = sqrt(delta_x * delta_x + delta_y * delta_y); // Len of movement-vector via Pythagoras (a^2+b^2=Len^2) float tg_z = 0.0f; //tangens float delta_t = WorldTimer::getMSTimeDiff(GetPlayer()->m_anti_lastmovetime,CurTime); GetPlayer()->m_anti_lastmovetime = CurTime; GetPlayer()->m_anti_MovedLen += delta; if (delta_t > 15000.0f) { delta_t = 15000.0f; } // Tangens of walking angel if (!(movementInfo.GetMovementFlags() & (MOVEFLAG_FLYING | MOVEFLAG_SWIMMING))) { tg_z = ((delta !=0.0f) && (delta_z > 0.0f)) ? (atan((delta_z*delta_z) / delta) * 180.0f / M_PI) : 0.0f; } if (GetPlayer()->m_anti_NextLenCheck <= CurTime) { // Check every 500ms is a lot more advisable then 1000ms, because normal movment packet arrives every 500ms uint32 OldNextLenCheck=GetPlayer()->m_anti_NextLenCheck; float delta_xyt=GetPlayer()->m_anti_MovedLen/(float)(WorldTimer::getMSTimeDiff(OldNextLenCheck-500,CurTime)); GetPlayer()->m_anti_NextLenCheck = CurTime+500; GetPlayer()->m_anti_MovedLen = 0.0f; static const float MaxDeltaXYT = 0.035f; if (delta_xyt > MaxDeltaXYT && delta<=100.0f && GetPlayer()->GetZoneId() != 2257) sLog.outError("ANTI-CHEAT ENGINE: Possible hack detected (speedhack) of %s ", GetPlayer()->GetGuidStr().c_str()); } if (delta > 100.0f && GetPlayer()->GetZoneId() != 2257) { sLog.outError("ANTI-CHEAT ENGINE: Possible hack detected (telehack) of %s ", GetPlayer()->GetGuidStr().c_str()); //Anti__ReportCheat("Tele hack",delta,LookupOpcodeName(opcode)); } } /* process position-change */ HandleMoverRelocation(movementInfo); if (plMover) plMover->UpdateFallInformationIfNeed(movementInfo, opcode); // after move info set if (opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE) mover->UpdateWalkMode(mover, false); WorldPacket data(opcode, recv_data.size()); data << mover->GetPackGUID(); // write guid movementInfo.Write(data); // write data mover->SendMessageToSetExcept(&data, _player); }
/// Update the WorldSession (triggered by World update) bool WorldSession::Update(PacketFilter& updater) { ///- Retrieve packets from the receive queue and call the appropriate handlers /// not process packets if socket already closed WorldPacket* packet; while (m_Socket && !m_Socket->IsClosed() && _recvQueue.next(packet, updater)) { /*#if 1 sLog.outError( "MOEP: %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); #endif*/ OpcodeHandler const& opHandle = opcodeTable[packet->GetOpcode()]; try { switch (opHandle.status) { case STATUS_LOGGEDIN: if(!_player) { // skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets if(!m_playerRecentlyLogout) LogUnexpectedOpcode(packet, "the player has not logged in yet"); } else if(_player->IsInWorld()) ExecuteOpcode(opHandle, packet); // lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer // playerbot mod if (_player && _player->GetPlayerbotMgr()) _player->GetPlayerbotMgr()->HandleMasterIncomingPacket(*packet); // playerbot mod end break; case STATUS_LOGGEDIN_OR_RECENTLY_LOGGEDOUT: if(!_player && !m_playerRecentlyLogout) { LogUnexpectedOpcode(packet, "the player has not logged in yet and not recently logout"); } else // not expected _player or must checked in packet hanlder ExecuteOpcode(opHandle, packet); break; case STATUS_TRANSFER: if(!_player) LogUnexpectedOpcode(packet, "the player has not logged in yet"); else if(_player->IsInWorld()) LogUnexpectedOpcode(packet, "the player is still in world"); else ExecuteOpcode(opHandle, packet); break; case STATUS_AUTHED: // prevent cheating with skip queue wait if(m_inQueue) { LogUnexpectedOpcode(packet, "the player not pass queue yet"); break; } // single from authed time opcodes send in to after logout time // and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes. if (packet->GetOpcode() != CMSG_SET_ACTIVE_VOICE_CHANNEL) m_playerRecentlyLogout = false; ExecuteOpcode(opHandle, packet); break; case STATUS_NEVER: sLog.outError( "SESSION: received not allowed opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); break; case STATUS_UNHANDLED: DEBUG_LOG("SESSION: received not handled opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); break; default: sLog.outError("SESSION: received wrong-status-req opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); break; } } catch (ByteBufferException &) { sLog.outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i.", packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId()); if (sLog.HasLogLevelOrHigher(LOG_LVL_DEBUG)) { sLog.outDebug("Dumping error causing packet:"); packet->hexlike(); } if (sWorld.getConfig(CONFIG_BOOL_KICK_PLAYER_ON_BAD_PACKET)) { DETAIL_LOG("Disconnecting session [account id %u / address %s] for badly formatted packet.", GetAccountId(), GetRemoteAddress().c_str()); KickPlayer(); } } delete packet; } // Playerbot mod - Process player bot packets // The PlayerbotAI class adds to the packet queue to simulate a real player // since Playerbots are known to the World obj only by its master's WorldSession object // we need to process all master's bot's packets. if (GetPlayer() && GetPlayer()->GetPlayerbotMgr()) { for (PlayerBotMap::const_iterator itr = GetPlayer()->GetPlayerbotMgr()->GetPlayerBotsBegin(); itr != GetPlayer()->GetPlayerbotMgr()->GetPlayerBotsEnd(); ++itr) { Player* const botPlayer = itr->second; WorldSession* const pBotWorldSession = botPlayer->GetSession(); if (botPlayer->IsBeingTeleported()) botPlayer->GetPlayerbotAI()->HandleTeleportAck(); else if (botPlayer->IsInWorld()) { WorldPacket* packet; while (pBotWorldSession->_recvQueue.next(packet)) { OpcodeHandler& opHandle = opcodeTable[packet->GetOpcode()]; (pBotWorldSession->*opHandle.handler)(*packet); delete packet; } } } } if (m_Socket && GetPlayer() && !GetPlayer()->GetPlayerbotAI()) m_Warden.Update(); ///- Cleanup socket pointer if need if (m_Socket && m_Socket->IsClosed ()) { m_Socket->RemoveReference (); m_Socket = NULL; } //check if we are safe to proceed with logout //logout procedure should happen only in World::UpdateSessions() method!!! if(updater.ProcessLogout()) { ///- If necessary, log the player out time_t currTime = time(NULL); if (!m_Socket || (ShouldLogOut(currTime) && !m_playerLoading)) LogoutPlayer(true); if (!m_Socket) return false; //Will remove this session from the world session map } return true; }
void WorldSession::HandleBattleGroundArenaJoin( WorldPacket & recv_data ) { CHECK_PACKET_SIZE(recv_data, 8+1+1+1); sLog.outDebug("WORLD: CMSG_ARENAMASTER_JOIN"); recv_data.hexlike(); // ignore if we already in BG or BG queue if(_player->InBattleGround()) return; for(int qId = 0; qId < PLAYER_MAX_BATTLEGROUND_QUEUES; ++qId) { if(_player->GetBattleGroundQueueId(qId) != 0) return; } uint64 guid; // arena Battlemaster guid uint8 type; // 2v2, 3v3 or 5v5 uint8 asGroup; // asGroup uint8 isRated; // isRated recv_data >> guid >> type >> asGroup >> isRated; Creature *unit = ObjectAccessor::GetCreature(*_player, guid); if(!unit) return; if(!unit->isBattleMaster()) // it's not battle master return; uint8 arenatype = 0; switch(type) { case 0: arenatype = ARENA_TYPE_2v2; break; case 1: arenatype = ARENA_TYPE_3v3; break; case 2: arenatype = ARENA_TYPE_5v5; break; default: sLog.outError("Unknown arena type %u at HandleBattleGroundArenaJoin()", type); break; } if(isRated && !_player->GetArenaTeamId(type)) // player not in arena team of that size { _player->GetSession()->SendNotInArenaTeamPacket(arenatype); return; } if(asGroup && !_player->GetGroup()) // player not in group return; // check existence BattleGround *bg = sBattleGroundMgr.GetBattleGround(BATTLEGROUND_AA); if(!bg) return; if(asGroup && _player->GetGroup()) { Group *grp = _player->GetGroup(); for(GroupReference *itr = grp->GetFirstMember(); itr != NULL; itr = itr->next()) { Player *member = itr->getSource(); if(!member) continue; /*if (!member->CanJoinToBattleground()) //player has deserter aura .. do nothing */ if (member->InBattleGroundQueueForBattleGroundType(BATTLEGROUND_AA)) //player is already in this queue continue; uint32 queueSlot = member->AddBattleGroundQueueId(BATTLEGROUND_AA);// add to queue if (queueSlot == PLAYER_MAX_BATTLEGROUND_QUEUES) { WorldPacket data; //fill data //member->GetSession()->SendPacket(data); continue; } // store entry point coords (same as leader entry point) member->SetBattleGroundEntryPoint(_player->GetMapId(),_player->GetPositionX(),_player->GetPositionY(),_player->GetPositionZ(),_player->GetOrientation()); WorldPacket data; // send status packet (in queue) sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, member->GetTeam(), queueSlot, STATUS_WAIT_QUEUE, 0, 0); member->GetSession()->SendPacket(&data); sBattleGroundMgr.BuildGroupJoinedBattlegroundPacket(&data, BATTLEGROUND_AA); member->GetSession()->SendPacket(&data); sBattleGroundMgr.m_BattleGroundQueues[BATTLEGROUND_AA].AddPlayer(member, BATTLEGROUND_AA); } } else { /*if (!member->CanJoinToBattleground()) //player has deserter aura .. do nothing */ if (_player->InBattleGroundQueueForBattleGroundType(BATTLEGROUND_AA)) //player is already in this queue return; uint32 queueSlot = _player->AddBattleGroundQueueId(BATTLEGROUND_AA); if (queueSlot == PLAYER_MAX_BATTLEGROUND_QUEUES) { WorldPacket data; //fill data (player is in 3 queues already) //SendPacket(data); return; } // store entry point coords _player->SetBattleGroundEntryPoint(_player->GetMapId(),_player->GetPositionX(),_player->GetPositionY(),_player->GetPositionZ(),_player->GetOrientation()); WorldPacket data; // send status packet (in queue) sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, _player->GetTeam(), queueSlot, STATUS_WAIT_QUEUE, 0, 0); SendPacket(&data); sBattleGroundMgr.m_BattleGroundQueues[BATTLEGROUND_AA].AddPlayer(_player, BATTLEGROUND_AA); } }
void WorldSession::HandlePetitionBuyOpcode(WorldPacket & recv_data) { DEBUG_LOG("Received opcode CMSG_PETITION_BUY"); recv_data.hexlike(); ObjectGuid guidNPC; uint32 clientIndex; // 1 for guild and arenaslot+1 for arenas in client std::string name; recv_data >> guidNPC; // NPC GUID recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint64>(); // 0 recv_data >> name; // name recv_data.read_skip<std::string>(); // some string recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint16>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 for (int i = 0; i < 10; ++i) recv_data.read_skip<std::string>(); recv_data >> clientIndex; // index recv_data.read_skip<uint32>(); // 0 DEBUG_LOG("Petitioner %s tried sell petition: name %s", guidNPC.GetString().c_str(), name.c_str()); // prevent cheating Creature *pCreature = GetPlayer()->GetNPCIfCanInteractWith(guidNPC, UNIT_NPC_FLAG_PETITIONER); if (!pCreature) { DEBUG_LOG("WORLD: HandlePetitionBuyOpcode - %s not found or you can't interact with him.", guidNPC.GetString().c_str()); return; } // remove fake death if(GetPlayer()->hasUnitState(UNIT_STAT_DIED)) GetPlayer()->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH); uint32 charterid = 0; uint32 cost = 0; uint32 type = 0; if(pCreature->isTabardDesigner()) { // if tabard designer, then trying to buy a guild charter. // do not let if already in guild. if(_player->GetGuildId()) return; charterid = GUILD_CHARTER; cost = GUILD_CHARTER_COST; type = 9; } else { // TODO: find correct opcode if(_player->getLevel() < sWorld.getConfig(CONFIG_UINT32_MAX_PLAYER_LEVEL)) { SendNotification(LANG_ARENA_ONE_TOOLOW, sWorld.getConfig(CONFIG_UINT32_MAX_PLAYER_LEVEL)); return; } switch(clientIndex) // arenaSlot+1 as received from client (1 from 3 case) { case 1: charterid = ARENA_TEAM_CHARTER_2v2; cost = ARENA_TEAM_CHARTER_2v2_COST; type = 2; // 2v2 break; case 2: charterid = ARENA_TEAM_CHARTER_3v3; cost = ARENA_TEAM_CHARTER_3v3_COST; type = 3; // 3v3 break; case 3: charterid = ARENA_TEAM_CHARTER_5v5; cost = ARENA_TEAM_CHARTER_5v5_COST; type = 5; // 5v5 break; default: DEBUG_LOG("unknown selection at buy arena petition: %u", clientIndex); return; } if(_player->GetArenaTeamId(clientIndex - 1)) // arenaSlot+1 as received from client { SendArenaTeamCommandResult(ERR_ARENA_TEAM_CREATE_S, name, "", ERR_ALREADY_IN_ARENA_TEAM); return; } } if(type == 9) { if (sGuildMgr.GetGuildByName(name)) { SendGuildCommandResult(GUILD_CREATE_S, name, ERR_GUILD_NAME_EXISTS_S); return; } if(sObjectMgr.IsReservedName(name) || !ObjectMgr::IsValidCharterName(name)) { SendGuildCommandResult(GUILD_CREATE_S, name, ERR_GUILD_NAME_INVALID); return; } } else { if(sObjectMgr.GetArenaTeamByName(name)) { SendArenaTeamCommandResult(ERR_ARENA_TEAM_CREATE_S, name, "", ERR_ARENA_TEAM_NAME_EXISTS_S); return; } if(sObjectMgr.IsReservedName(name) || !ObjectMgr::IsValidCharterName(name)) { SendArenaTeamCommandResult(ERR_ARENA_TEAM_CREATE_S, name, "", ERR_ARENA_TEAM_NAME_INVALID); return; } } ItemPrototype const *pProto = ObjectMgr::GetItemPrototype(charterid); if(!pProto) { _player->SendBuyError(BUY_ERR_CANT_FIND_ITEM, NULL, charterid, 0); return; } if(_player->GetMoney() < cost) { //player hasn't got enough money _player->SendBuyError(BUY_ERR_NOT_ENOUGHT_MONEY, pCreature, charterid, 0); return; } ItemPosCountVec dest; InventoryResult msg = _player->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, charterid, pProto->BuyCount ); if(msg != EQUIP_ERR_OK) { _player->SendEquipError(msg, NULL, NULL, charterid); return; } _player->ModifyMoney(-(int32)cost); Item *charter = _player->StoreNewItem(dest, charterid, true); if(!charter) return; charter->SetUInt32Value(ITEM_FIELD_ENCHANTMENT_1_1, charter->GetGUIDLow()); // ITEM_FIELD_ENCHANTMENT_1_1 is guild/arenateam id // ITEM_FIELD_ENCHANTMENT_1_1+1 is current signatures count (showed on item) charter->SetState(ITEM_CHANGED, _player); _player->SendNewItem(charter, 1, true, false); // a petition is invalid, if both the owner and the type matches // we checked above, if this player is in an arenateam, so this must be data corruption QueryResult *result = CharacterDatabase.PQuery("SELECT petitionguid FROM petition WHERE ownerguid = '%u' AND type = '%u'", _player->GetGUIDLow(), type); std::ostringstream ssInvalidPetitionGUIDs; if (result) { do { Field *fields = result->Fetch(); ssInvalidPetitionGUIDs << "'" << fields[0].GetUInt32() << "' , "; } while (result->NextRow()); delete result; } // delete petitions with the same guid as this one ssInvalidPetitionGUIDs << "'" << charter->GetGUIDLow() << "'"; DEBUG_LOG("Invalid petition GUIDs: %s", ssInvalidPetitionGUIDs.str().c_str()); CharacterDatabase.escape_string(name); CharacterDatabase.BeginTransaction(); CharacterDatabase.PExecute("DELETE FROM petition WHERE petitionguid IN ( %s )", ssInvalidPetitionGUIDs.str().c_str()); CharacterDatabase.PExecute("DELETE FROM petition_sign WHERE petitionguid IN ( %s )", ssInvalidPetitionGUIDs.str().c_str()); CharacterDatabase.PExecute("INSERT INTO petition (ownerguid, petitionguid, name, type) VALUES ('%u', '%u', '%s', '%u')", _player->GetGUIDLow(), charter->GetGUIDLow(), name.c_str(), type); CharacterDatabase.CommitTransaction(); }
/// Update the WorldSession (triggered by World update) bool WorldSession::Update(uint32 /*diff*/) { ///- Retrieve packets from the receive queue and call the appropriate handlers /// not proccess packets if socket already closed WorldPacket* packet; while (_recvQueue.next(packet) && m_Socket && !m_Socket->IsClosed ()) { /*#if 1 sLog.outError("MOEP: %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); #endif*/ if (packet->GetOpcode() >= NUM_MSG_TYPES) { sLog.outError("SESSION: received non-existed opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); } else { OpcodeHandler& opHandle = opcodeTable[packet->GetOpcode()]; try { switch (opHandle.status) { case STATUS_LOGGEDIN: if (!_player) { // skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets if (!m_playerRecentlyLogout) LogUnexpectedOpcode(packet, "the player has not logged in yet"); } else if (_player->IsInWorld()) { (this->*opHandle.handler)(*packet); if (sLog.IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } // lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer break; case STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT: if (!_player && !m_playerRecentlyLogout) { LogUnexpectedOpcode(packet, "the player has not logged in yet and not recently logout"); } else { // not expected _player or must checked in packet hanlder (this->*opHandle.handler)(*packet); if (sLog.IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } break; case STATUS_TRANSFER: if (!_player) LogUnexpectedOpcode(packet, "the player has not logged in yet"); else if (_player->IsInWorld()) LogUnexpectedOpcode(packet, "the player is still in world"); else { (this->*opHandle.handler)(*packet); if (sLog.IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } break; case STATUS_AUTHED: // prevent cheating with skip queue wait if (m_inQueue) { LogUnexpectedOpcode(packet, "the player not pass queue yet"); break; } // single from authed time opcodes send in to after logout time // and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes. if (packet->GetOpcode() != CMSG_SET_ACTIVE_VOICE_CHANNEL) m_playerRecentlyLogout = false; (this->*opHandle.handler)(*packet); if (sLog.IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); break; case STATUS_NEVER: break; /* sLog.outError("SESSION: received not allowed opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); */ break; } } catch(ByteBufferException &) { sLog.outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.", packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId()); if (sLog.IsOutDebug()) { sLog.outDebug("Dumping error causing packet:"); packet->hexlike(); } } } delete packet; } ///- Cleanup socket pointer if need if (m_Socket && m_Socket->IsClosed ()) { m_Socket->RemoveReference (); m_Socket = NULL; } ///- If necessary, log the player out time_t currTime = time(NULL); if (!m_Socket || (ShouldLogOut(currTime) && !m_playerLoading)) LogoutPlayer(true); if (!m_Socket) return false; //Will remove this session from the world session map return true; }
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data ) { uint32 opcode = recv_data.GetOpcode(); sLog.outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode); recv_data.hexlike(); Unit *mover = _player->m_mover; Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL; // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck if(plMover && plMover->IsBeingTeleported()) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } /* extract packet */ uint64 guid; if(!recv_data.readPackGUID(guid)) return; MovementInfo movementInfo; movementInfo.guid = guid; ReadMovementInfo(recv_data, &movementInfo); /*----------------*/ if(!(movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT) && _player->GetVehicleGUID()) { if(mover->GetGUID() == _player->GetGUID()) { return; } } // we sent a movement packet with MOVEMENTFLAG_ONTRANSPORT and we are on vehicle // this can be moving on vehicle or entering another transport (eg. boat) if((movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT) && _player->GetVehicleGUID()) { // we are controlling that vehicle if(mover->GetGUID() == _player->GetVehicleGUID()) { // we sent movement packet, related to movement ON vehicle, // but not WITH vehicle, so mover = player if(_player->GetVehicleGUID() == movementInfo.t_guid) { // this is required to avoid client crash, otherwise it will result // in moving with vehicle on the same vehicle and that = crash mover = _player; plMover = _player; } } if(_player->GetVehicleGUID() == movementInfo.t_guid) { _player->m_SeatData.OffsetX = movementInfo.t_x; _player->m_SeatData.OffsetY = movementInfo.t_y; _player->m_SeatData.OffsetZ = movementInfo.t_z; _player->m_SeatData.Orientation = movementInfo.t_o; } } recv_data.rpos(recv_data.wpos()); // prevent warnings spam if (!MaNGOS::IsValidMapCoord(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o)) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } /* handle special cases */ if (movementInfo.HasMovementFlag(MOVEMENTFLAG_ONTRANSPORT) && !mover->GetVehicleGUID()) { // transports size limited // (also received at zeppelin leave by some reason with t_* as absolute in continent coordinates, can be safely skipped) if( movementInfo.t_x > 50 || movementInfo.t_y > 50 || movementInfo.t_z > 50 ) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } if( !MaNGOS::IsValidMapCoord(movementInfo.x+movementInfo.t_x, movementInfo.y + movementInfo.t_y, movementInfo.z + movementInfo.t_z, movementInfo.o + movementInfo.t_o) ) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } // if we boarded a transport, add us to it if (plMover && !plMover->m_transport) { float trans_rad = movementInfo.t_x*movementInfo.t_x + movementInfo.t_y*movementInfo.t_y + movementInfo.t_z*movementInfo.t_z; if (trans_rad > 3600.0f) // transport radius = 60 yards //cheater with on_transport_flag { return; } // elevators also cause the client to send MOVEMENTFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter) { if ((*iter)->GetGUID() == movementInfo.t_guid) { plMover->m_transport = (*iter); (*iter)->AddPassenger(plMover); break; } } } } else if (plMover && plMover->m_transport) // if we were on a transport, leave { plMover->m_transport->RemovePassenger(plMover); plMover->m_transport = NULL; movementInfo.t_x = 0.0f; movementInfo.t_y = 0.0f; movementInfo.t_z = 0.0f; movementInfo.t_o = 0.0f; movementInfo.t_time = 0; movementInfo.t_seat = -1; } // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map). if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->isInFlight()) plMover->HandleFall(movementInfo); if (plMover && (movementInfo.HasMovementFlag(MOVEMENTFLAG_SWIMMING) != plMover->IsInWater())) { // now client not include swimming flag in case jumping under water plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.x, movementInfo.y, movementInfo.z) ); if(plMover->GetBaseMap()->IsUnderWater(movementInfo.x, movementInfo.y, movementInfo.z-7.0f)) { plMover->m_anti_BeginFallZ=INVALID_HEIGHT; } } if (movementInfo.HasMovementFlag(MOVEMENTFLAG_SWIMMING)) { if(mover->GetTypeId() == TYPEID_UNIT) { if(((Creature*)mover)->isVehicle() && !((Creature*)mover)->canSwim()) { // NOTE : we should enter evade mode here, but... ((Vehicle*)mover)->SetSpawnDuration(1); } } } // ---- anti-cheat features -->>> uint32 Anti_TeleTimeDiff=plMover ? time(NULL) - plMover->Anti__GetLastTeleTime() : time(NULL); static const uint32 Anti_TeleTimeIgnoreDiff=sWorld.GetMvAnticheatIgnoreAfterTeleport(); if (plMover && (plMover->m_transport == 0) && sWorld.GetMvAnticheatEnable() && GetPlayer()->GetSession()->GetSecurity() <= sWorld.GetMvAnticheatGmLevel() && GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()!=FLIGHT_MOTION_TYPE && Anti_TeleTimeDiff>Anti_TeleTimeIgnoreDiff) { const uint32 CurTime=getMSTime(); if(getMSTimeDiff(GetPlayer()->m_anti_lastalarmtime,CurTime) > sWorld.GetMvAnticheatAlarmPeriod()) { GetPlayer()->m_anti_alarmcount = 0; } /* I really don't care about movement-type yet (todo) UnitMoveType move_type; if (movementInfo.flags & MOVEMENTFLAG_FLYING) move_type = MOVE_FLY; else if (movementInfo.flags & MOVEMENTFLAG_SWIMMING) move_type = MOVE_SWIM; else if (movementInfo.flags & MOVEMENTFLAG_WALK_MODE) move_type = MOVE_WALK; else move_type = MOVE_RUN;*/ float delta_x = GetPlayer()->GetPositionX() - movementInfo.x; float delta_y = GetPlayer()->GetPositionY() - movementInfo.y; float delta_z = GetPlayer()->GetPositionZ() - movementInfo.z; float delta = sqrt(delta_x * delta_x + delta_y * delta_y); // Len of movement-vector via Pythagoras (a^2+b^2=Len^2) float tg_z = 0.0f; //tangens float delta_t = getMSTimeDiff(GetPlayer()->m_anti_lastmovetime,CurTime); GetPlayer()->m_anti_lastmovetime = CurTime; GetPlayer()->m_anti_MovedLen += delta; if(delta_t > 15000.0f) { delta_t = 15000.0f; } // Tangens of walking angel /*if (!(movementInfo.flags & (MOVEMENTFLAG_FLYING | MOVEMENTFLAG_SWIMMING))) { //Mount hack detection currently disabled tg_z = ((delta !=0.0f) && (delta_z > 0.0f)) ? (atan((delta_z*delta_z) / delta) * 180.0f / M_PI) : 0.0f; }*/ //antiOFF fall-damage, MOVEMENTFLAG_UNK4 seted by client if player try movement when falling and unset in this case the MOVEMENTFLAG_FALLING flag. if((GetPlayer()->m_anti_BeginFallZ == INVALID_HEIGHT) && (movementInfo.flags & (MOVEMENTFLAG_FALLING | MOVEMENTFLAG_UNK4)) != 0) { GetPlayer()->m_anti_BeginFallZ=(float)(movementInfo.z); } if(GetPlayer()->m_anti_NextLenCheck <= CurTime) { // Check every 500ms is a lot more advisable then 1000ms, because normal movment packet arrives every 500ms uint32 OldNextLenCheck=GetPlayer()->m_anti_NextLenCheck; float delta_xyt=GetPlayer()->m_anti_MovedLen/(float)(getMSTimeDiff(OldNextLenCheck-500,CurTime)); GetPlayer()->m_anti_NextLenCheck = CurTime+500; GetPlayer()->m_anti_MovedLen = 0.0f; static const float MaxDeltaXYT = sWorld.GetMvAnticheatMaxXYT(); #ifdef __ANTI_DEBUG__ SendAreaTriggerMessage("XYT: %f ; Flags: %s",delta_xyt,FlagsToStr(movementInfo.flags).c_str()); #endif //__ANTI_DEBUG__ if(delta_xyt > MaxDeltaXYT && delta<=100.0f && GetPlayer()->GetZoneId() != 2257) { Anti__CheatOccurred(CurTime,"Speed hack",delta_xyt,LookupOpcodeName(opcode), (float)(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()), (float)(getMSTimeDiff(OldNextLenCheck-500,CurTime)),&movementInfo); } } if(delta > 100.0f && GetPlayer()->GetZoneId() != 2257) { Anti__ReportCheat("Tele hack",delta,LookupOpcodeName(opcode)); } // Check for waterwalking if(((movementInfo.flags & MOVEMENTFLAG_WATERWALKING) != 0) && ((movementInfo.flags ^ MOVEMENTFLAG_WATERWALKING) != 0) && // Client sometimes set waterwalk where it shouldn't do that... ((movementInfo.flags & MOVEMENTFLAG_JUMPING) == 0) && GetPlayer()->GetBaseMap()->IsUnderWater(movementInfo.x, movementInfo.y, movementInfo.z-6.0f) && !(GetPlayer()->HasAuraType(SPELL_AURA_WATER_WALK) || GetPlayer()->HasAuraType(SPELL_AURA_GHOST))) { Anti__CheatOccurred(CurTime,"Water walking",0.0f,NULL,0.0f,(uint32)(movementInfo.flags)); } // Check for walking upwards a mountain while not beeing able to do that /*if ((tg_z > 85.0f)) { Anti__CheatOccurred(CurTime,"Mount hack",tg_z,NULL,delta,delta_z); } */ static const float DIFF_OVERGROUND = 10.0f; float Anti__GroundZ = GetPlayer()->GetMap()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),MAX_HEIGHT); float Anti__FloorZ = GetPlayer()->GetMap()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),GetPlayer()->GetPositionZ()); float Anti__MapZ = ((Anti__FloorZ <= (INVALID_HEIGHT+5.0f)) ? Anti__GroundZ : Anti__FloorZ) + DIFF_OVERGROUND; if(!GetPlayer()->CanFly() && !GetPlayer()->GetBaseMap()->IsUnderWater(movementInfo.x, movementInfo.y, movementInfo.z-7.0f) && Anti__MapZ < GetPlayer()->GetPositionZ() && Anti__MapZ > (INVALID_HEIGHT+DIFF_OVERGROUND + 5.0f)) { static const float DIFF_AIRJUMP=25.0f; // 25 is realy high, but to many false positives... // Air-Jump-Detection definitively needs a better way to be detected... if((movementInfo.flags & (MOVEMENTFLAG_CAN_FLY | MOVEMENTFLAG_FLYING | MOVEMENTFLAG_FLYING2)) != 0) // Fly Hack { Anti__CheatOccurred(CurTime,"Fly hack", ((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_FLY))) + ((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED))*2), NULL,GetPlayer()->GetPositionZ()-Anti__MapZ); } /* Need a better way to do that - currently a lot of fake alarms else if((Anti__MapZ+DIFF_AIRJUMP < GetPlayer()->GetPositionZ() && (movementInfo.flags & (MOVEMENTFLAG_FALLING | MOVEMENTFLAG_UNK4))==0) || (Anti__MapZ < GetPlayer()->GetPositionZ() && opcode==MSG_MOVE_JUMP)) { Anti__CheatOccurred(CurTime,"Possible Air Jump Hack", 0.0f,LookupOpcodeName(opcode),0.0f,movementInfo.flags,&movementInfo); }*/ } /* if(Anti__FloorZ < -199900.0f && Anti__GroundZ >= -199900.0f && GetPlayer()->GetPositionZ()+5.0f < Anti__GroundZ) { Anti__CheatOccurred(CurTime,"Teleport2Plane hack", GetPlayer()->GetPositionZ(),NULL,Anti__GroundZ); }*/ } // <<---- anti-cheat features /* process position-change */ WorldPacket data(opcode, recv_data.size()); movementInfo.time = getMSTime(); movementInfo.guid = mover->GetGUID(); WriteMovementInfo(&data, &movementInfo); GetPlayer()->SendMessageToSet(&data, false); if(plMover) // nothing is charmed, or player charmed { plMover->m_movementInfo = movementInfo; plMover->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o); plMover->UpdateFallInformationIfNeed(movementInfo, opcode); if(plMover->isMovingOrTurning()) plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH); if(movementInfo.z < -500.0f) { if(plMover->InBattleGround() && plMover->GetBattleGround() && plMover->GetBattleGround()->HandlePlayerUnderMap(_player)) { // do nothing, the handle already did if returned true } else { // NOTE: this is actually called many times while falling // even after the player has been teleported away // TODO: discard movement packets after the player is rooted if(plMover->isAlive()) { plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth()); // pl can be alive if GM/etc if(!plMover->isAlive()) { // change the death state to CORPSE to prevent the death timer from // starting in the next player update plMover->KillPlayer(); plMover->BuildPlayerRepop(); } } // cancel the death timer here if started plMover->RepopAtGraveyard(); } } } else // creature charmed { if(mover->IsInWorld()) { mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o); if(((Creature*)mover)->isVehicle()) ((Vehicle*)mover)->RellocatePassengers(mover->GetMap()); } } }
void WorldSession::HandleCalendarArenaTeam(WorldPacket &recv_data) { DEBUG_LOG("WORLD: CMSG_CALENDAR_ARENA_TEAM"); recv_data.hexlike(); recv_data.read_skip<uint32>(); // unk }
void WorldSession::HandleCalendarGetEvent(WorldPacket &recv_data) { DEBUG_LOG("WORLD: CMSG_CALENDAR_GET_EVENT"); recv_data.hexlike(); recv_data.read_skip<uint64>(); // unk }
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data ) { uint32 opcode = recv_data.GetOpcode(); sLog.outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode); recv_data.hexlike(); Unit *mover = _player->m_mover; Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL; // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck if(plMover && plMover->IsBeingTeleported()) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } /* extract packet */ uint64 guid; if(!recv_data.readPackGUID(guid)) return; MovementInfo movementInfo; movementInfo.guid = guid; ReadMovementInfo(recv_data, &movementInfo); /*----------------*/ recv_data.rpos(recv_data.wpos()); // prevent warnings spam if (!MaNGOS::IsValidMapCoord(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o)) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } /* handle special cases */ if (movementInfo.HasMovementFlag(MOVEMENTFLAG_ONTRANSPORT)) { // transports size limited // (also received at zeppelin leave by some reason with t_* as absolute in continent coordinates, can be safely skipped) if( movementInfo.t_x > 50 || movementInfo.t_y > 50 || movementInfo.t_z > 50 ) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } if( !MaNGOS::IsValidMapCoord(movementInfo.x+movementInfo.t_x, movementInfo.y + movementInfo.t_y, movementInfo.z + movementInfo.t_z, movementInfo.o + movementInfo.t_o) ) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } // if we boarded a transport, add us to it if (plMover && !plMover->m_transport) { // elevators also cause the client to send MOVEMENTFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter) { if ((*iter)->GetGUID() == movementInfo.t_guid) { plMover->m_transport = (*iter); (*iter)->AddPassenger(plMover); break; } } } } else if (plMover && plMover->m_transport) // if we were on a transport, leave { plMover->m_transport->RemovePassenger(plMover); plMover->m_transport = NULL; movementInfo.t_x = 0.0f; movementInfo.t_y = 0.0f; movementInfo.t_z = 0.0f; movementInfo.t_o = 0.0f; movementInfo.t_time = 0; movementInfo.t_seat = -1; } // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map). if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->isInFlight()) plMover->HandleFall(movementInfo); if (plMover && (movementInfo.HasMovementFlag(MOVEMENTFLAG_SWIMMING) != plMover->IsInWater())) { // now client not include swimming flag in case jumping under water plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.x, movementInfo.y, movementInfo.z) ); } /*----------------------*/ /* process position-change */ WorldPacket data(opcode, recv_data.size()); movementInfo.time = getMSTime(); movementInfo.guid = mover->GetGUID(); WriteMovementInfo(&data, &movementInfo); GetPlayer()->SendMessageToSet(&data, false); if(plMover) // nothing is charmed, or player charmed { plMover->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o); plMover->m_movementInfo = movementInfo; plMover->UpdateFallInformationIfNeed(movementInfo, opcode); if(plMover->isMovingOrTurning()) plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH); if(movementInfo.z < -500.0f) { if(plMover->InBattleGround() && plMover->GetBattleGround() && plMover->GetBattleGround()->HandlePlayerUnderMap(_player)) { // do nothing, the handle already did if returned true } else { // NOTE: this is actually called many times while falling // even after the player has been teleported away // TODO: discard movement packets after the player is rooted if(plMover->isAlive()) { plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth()); // pl can be alive if GM/etc if(!plMover->isAlive()) { // change the death state to CORPSE to prevent the death timer from // starting in the next player update plMover->KillPlayer(); plMover->BuildPlayerRepop(); } } // cancel the death timer here if started plMover->RepopAtGraveyard(); } } } else // creature charmed { if(mover->IsInWorld()) mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o); } }
void WorldSession::HandleBattlemasterJoinArena( WorldPacket & recv_data ) { CHECK_PACKET_SIZE(recv_data, 8+1+1+1); sLog.outDebug("WORLD: CMSG_BATTLEMASTER_JOIN_ARENA"); recv_data.hexlike(); // ignore if we already in BG or BG queue if (_player->InBattleGround()) return; uint64 guid; // arena Battlemaster guid uint8 arenaslot; // 2v2, 3v3 or 5v5 uint8 asGroup; // asGroup uint8 isRated; // isRated Group * grp; recv_data >> guid >> arenaslot >> asGroup >> isRated; Creature *unit = GetPlayer()->GetMap()->GetCreature(guid); if (!unit) return; if(!unit->isBattleMaster()) // it's not battle master return; uint8 arenatype = 0; uint32 arenaRating = 0; switch(arenaslot) { case 0: arenatype = ARENA_TYPE_2v2; break; case 1: arenatype = ARENA_TYPE_3v3; break; case 2: arenatype = ARENA_TYPE_5v5; break; default: sLog.outError("Unknown arena slot %u at HandleBattlemasterJoinArena()", arenaslot); return; } //check existance BattleGround* bg = NULL; if (!(bg = sBattleGroundMgr.GetBattleGroundTemplate(BATTLEGROUND_AA))) { sLog.outError("Battleground: template bg (all arenas) not found"); return; } BattleGroundTypeId bgTypeId = bg->GetTypeID(); BattleGroundQueueTypeId bgQueueTypeId = BattleGroundMgr::BGQueueTypeId(bgTypeId, arenatype); // check queueing conditions if (!asGroup) { // check if already in queue if (_player->GetBattleGroundQueueIndex(bgQueueTypeId) < PLAYER_MAX_BATTLEGROUND_QUEUES) //player is already in this queue return; // check if has free queue slots if (!_player->HasFreeBattleGroundQueueId()) return; } else { grp = _player->GetGroup(); // no group found, error if (!grp) return; uint32 err = grp->CanJoinBattleGroundQueue(bgTypeId, bgQueueTypeId, arenatype, arenatype, (bool)isRated, arenaslot); if (err != BG_JOIN_ERR_OK) { SendBattleGroundOrArenaJoinError(err); return; } } uint32 ateamId = 0; if (isRated) { ateamId = _player->GetArenaTeamId(arenaslot); // check real arenateam existence only here (if it was moved to group->CanJoin .. () then we would ahve to get it twice) ArenaTeam * at = objmgr.GetArenaTeamById(ateamId); if (!at) { _player->GetSession()->SendNotInArenaTeamPacket(arenatype); return; } // get the team rating for queueing arenaRating = at->GetRating(); // the arenateam id must match for everyone in the group // get the personal ratings for queueing uint32 avg_pers_rating = 0; for(GroupReference *itr = grp->GetFirstMember(); itr != NULL; itr = itr->next()) { Player *member = itr->getSource(); // calc avg personal rating avg_pers_rating += member->GetUInt32Value(PLAYER_FIELD_ARENA_TEAM_INFO_1_1 + (arenaslot*6) + 5); } if (arenatype) avg_pers_rating /= arenatype; // if avg personal rating is more than 150 points below the teams rating, the team will be queued against an opponent matching or similar to the average personal rating if (avg_pers_rating + 150 < arenaRating) arenaRating = avg_pers_rating; } GroupQueueInfo * ginfo = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].AddGroup(_player, bgTypeId, arenatype, isRated, false, arenaRating, ateamId); uint32 avgTime = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].GetAverageQueueWaitTime(ginfo, _player->GetBattleGroundQueueIdFromLevel(bgTypeId)); if (asGroup) { sLog.outDebug("Battleground: arena join as group start"); if (isRated) sLog.outDebug("Battleground: arena team id %u, leader %s queued with rating %u for type %u",_player->GetArenaTeamId(arenaslot),_player->GetName(),arenaRating,arenatype); for(GroupReference *itr = grp->GetFirstMember(); itr != NULL; itr = itr->next()) { Player *member = itr->getSource(); if(!member) continue; uint32 queueSlot = member->AddBattleGroundQueueId(bgQueueTypeId);// add to queue // store entry point coords (same as leader entry point) member->SetBattleGroundEntryPoint(_player->GetMapId(),_player->GetPositionX(),_player->GetPositionY(),_player->GetPositionZ(),_player->GetOrientation()); WorldPacket data; // send status packet (in queue) sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, queueSlot, STATUS_WAIT_QUEUE, avgTime, 0, arenatype); member->GetSession()->SendPacket(&data); sBattleGroundMgr.BuildGroupJoinedBattlegroundPacket(&data, bgTypeId); member->GetSession()->SendPacket(&data); sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].AddPlayer(member, ginfo); sLog.outDebug("Battleground: player joined queue for arena as group bg queue type %u bg type %u: GUID %u, NAME %s",bgQueueTypeId,bgTypeId,member->GetGUIDLow(), member->GetName()); } sLog.outDebug("Battleground: arena join as group end"); if (isRated) sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].AnnounceWorld(ginfo, _player->GetGUID(), true); } else { uint32 queueSlot = _player->AddBattleGroundQueueId(bgQueueTypeId); // store entry point coords _player->SetBattleGroundEntryPoint(_player->GetMapId(),_player->GetPositionX(),_player->GetPositionY(),_player->GetPositionZ(),_player->GetOrientation()); WorldPacket data; // send status packet (in queue) sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, queueSlot, STATUS_WAIT_QUEUE, avgTime, 0, arenatype); SendPacket(&data); sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].AddPlayer(_player, ginfo); sLog.outDebug("Battleground: player joined queue for arena, skirmish, bg queue type %u bg type %u: GUID %u, NAME %s",bgQueueTypeId,bgTypeId,_player->GetGUIDLow(), _player->GetName()); } sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].Update(bgTypeId, _player->GetBattleGroundQueueIdFromLevel(bgTypeId), arenatype, isRated, arenaRating); }
void WorldSession::HandlePetCastSpellOpcode( WorldPacket& recvPacket ) { DETAIL_LOG("WORLD: CMSG_PET_CAST_SPELL"); recvPacket.hexlike(); recvPacket.print_storage(); //2 - 0 - 0 - 43 - 129 - 0 - 80 - 241 | - 42 - 211 - 253 - 0 | - 0 | - 2 |- 96 - 0 - 0 - 0 | - 0 - 26 //- 164 - 59 - 196 - 174 - 98 - 131 | - 194 - 182 - 171 - 218| - 67 - 0 - 48 - 93| - 0 - 196 - 32 //- 177| - 242 - 193 - 22 - 110 - 224 - 67 - 203 - 166 | - 68 - 61 - 133 - 1| - 240 - 66 - 1 - 183 | //- 0 - 0 - 0 - 217| - 2 - 43 - 129 - 80 - 241 - 0 - 10 - 0 - 0 - 0 - 0 - 76 - 109 - 175 - 0 //- 238 - 115 - 58 - 196 - 20 - 110 - 121 - 194 - 187 - 107 - 217 - 67 - 32 - 44 - 27 - 62 - 217 //- 1 - 36 - 129 - 80 - 241 - 0 - 0 - 160 - 64 - 0 - 0 - 160 - 64 - 0 - 0 - 160 - 64 - 192 - 233 //- 172 - 62 - 4 - 0 - 0 - 0 - 7 - 230 - 0 - 0 - 0 - //5 - 0 - 0 - 43 - 129 - 0 - 80 - 241 | - 85 - 211 - 253 - 0 | - 0 | - 2 | - 96 - 0 - 0 - 0 | - 0 - 69 - 60 - 61 //- 196 - 171 - 248 - 107| - 194 - 8 - 236 - 218 | - 67 - 0 - 177 - 11 | - 46 - 196 - 89 - 16 | - 14 - 195 //- 5 - 38 - 231 - 67 - 23 - 221 | - 110 - 62 - 15 - 3 | - 240 - 66 -| 1 - 183 | - 0 - 0 - 0 - 217 | - 5 - 43 //- 129 - 80 - 241 - 0 - 10 - 0 - 0 - 0 - 0 - 233 - 41 - 203 - 0 - 106 - 207 - 59 - 196 - 179 - 173 - 83 //- 194 - 8 - 108 - 217 - 67 - 127 - 153 - 170 - 64 - 217 - 4 - 36 - 129 - 80 - 241 - 0 - 0 - 160 - 64 //- 0 - 0 - 160 - 64 - 0 - 0 - 160 - 64 - 7 - 77 - 175 - 64 - 4 - 0 - 0 - 0 - 7 - 195 - 0 - 0 - 0 - uint64 guid; uint32 spellid; uint8 cast_count; uint8 unk_flags; // flags (if 0x02 - some additional data are received) recvPacket >> guid >> cast_count >> spellid >> unk_flags; DEBUG_LOG("WORLD: CMSG_PET_CAST_SPELL, cast_count: %u, spellid %u, unk_flags %u", cast_count, spellid, unk_flags); if (!_player->GetPet() && !_player->GetCharm()) return; if (GUID_HIPART(guid) == HIGHGUID_PLAYER) return; Creature* pet = ObjectAccessor::GetCreatureOrPetOrVehicle(*_player,guid); if (!pet || (pet != _player->GetPet() && pet!= _player->GetCharm())) { sLog.outError( "HandlePetCastSpellOpcode: Pet %u isn't pet of player %s .", uint32(GUID_LOPART(guid)),GetPlayer()->GetName() ); return; } SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellid); if (!spellInfo) { sLog.outError("WORLD: unknown PET spell id %i", spellid); return; } if (pet->GetCharmInfo() && pet->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(spellInfo)) return; // do not cast not learned spells if (!pet->HasSpell(spellid) || IsPassiveSpell(spellInfo)) return; // Interrupt previous spell pet->InterruptNonMeleeSpells(true); SpellCastTargets targets; //float elevation, speed; //uint8 pos1, pos2; recvPacket >> targets.ReadForCaster(pet); //recvPacket >> elevation >> speed; //recvPacket >> pos1 >> pos2; //mask: 96, elevation: 0.167906, speed: 120.002441, pos1: 1, pos: 183 //sLog.outDebug("mask: %u, elevation: %f, speed: %f, pos1: %u, pos: %u", targets.m_targetMask, elevation, speed, pos1, pos2); sLog.outDebug("guid: %u, sX: %f, sY:%f, sZ: %f", targets.getUnitTargetGUID(),targets.m_src.x,targets.m_src.y,targets.m_src.z); sLog.outDebug("guid: %u, sX: %f, sY:%f, sZ: %f", targets.getUnitTargetGUID(),targets.m_dest.x,targets.m_dest.y,targets.m_dest.z); pet->DoPetCastSpell( GetPlayer(), cast_count, targets, spellInfo ); }
void WorldSession::HandlePetLearnTalent( WorldPacket & recv_data ) { sLog.outDebug("WORLD: CMSG_PET_LEARN_TALENT"); recv_data.hexlike(); CHECK_PACKET_SIZE(recv_data, 8+4+4); uint64 guid; uint32 talent_id, requested_rank; recv_data >> guid >> talent_id >> requested_rank; Pet *pet = _player->GetPet(); if(!pet) return; if(guid != pet->GetGUID()) return; uint32 CurTalentPoints = pet->GetFreeTalentPoints(); if(CurTalentPoints == 0) return; if (requested_rank > 4) return; TalentEntry const *talentInfo = sTalentStore.LookupEntry(talent_id); if(!talentInfo) return; TalentTabEntry const *talentTabInfo = sTalentTabStore.LookupEntry(talentInfo->TalentTab); if(!talentTabInfo) return; CreatureInfo const *ci = pet->GetCreatureInfo(); if(!ci) return; CreatureFamilyEntry const *pet_family = sCreatureFamilyStore.LookupEntry(ci->family); if(!pet_family) return; if(pet_family->petTalentType < 0) // not hunter pet return; // prevent learn talent for different family (cheating) if(!((1 << pet_family->petTalentType) & talentTabInfo->petTalentMask)) return; // prevent skip talent ranks (cheating) if(requested_rank > 0 && !pet->HasSpell(talentInfo->RankID[requested_rank-1])) return; // Check if it requires another talent if (talentInfo->DependsOn > 0) { if(TalentEntry const *depTalentInfo = sTalentStore.LookupEntry(talentInfo->DependsOn)) { bool hasEnoughRank = false; for (int i = talentInfo->DependsOnRank; i <= 4; i++) { if (depTalentInfo->RankID[i] != 0) if (pet->HasSpell(depTalentInfo->RankID[i])) hasEnoughRank = true; } if (!hasEnoughRank) return; } } // Find out how many points we have in this field uint32 spentPoints = 0; uint32 tTab = talentInfo->TalentTab; if (talentInfo->Row > 0) { unsigned int numRows = sTalentStore.GetNumRows(); for (unsigned int i = 0; i < numRows; i++) // Loop through all talents. { // Someday, someone needs to revamp const TalentEntry *tmpTalent = sTalentStore.LookupEntry(i); if (tmpTalent) // the way talents are tracked { if (tmpTalent->TalentTab == tTab) { for (int j = 0; j <= 4; j++) { if (tmpTalent->RankID[j] != 0) { if (pet->HasSpell(tmpTalent->RankID[j])) { spentPoints += j + 1; } } } } } } } // not have required min points spent in talent tree if(spentPoints < (talentInfo->Row * 3)) return; // spell not set in talent.dbc uint32 spellid = talentInfo->RankID[requested_rank]; if( spellid == 0 ) { sLog.outError("Talent.dbc have for talent: %u Rank: %u spell id = 0", talent_id, requested_rank); return; } // already known if(pet->HasSpell(spellid)) return; // learn! (other talent ranks will unlearned at learning) pet->learnSpell(spellid); sLog.outDetail("TalentID: %u Rank: %u Spell: %u\n", talent_id, requested_rank, spellid); }
void WorldSession::HandleMessagechatOpcode(WorldPacket & recv_data) { uint32 type = 0; uint32 lang; // Les types sont maintenant ger�s par opcode, un opcode par type // Changement en place depuis la 4.0.1 13164 switch(recv_data.GetOpcode()) { case CMSG_MESSAGECHAT_SAY: type = CHAT_MSG_SAY; break; case CMSG_MESSAGECHAT_YELL: type = CHAT_MSG_YELL; break; case CMSG_MESSAGECHAT_CHANNEL: type = CHAT_MSG_CHANNEL; break; case CMSG_MESSAGECHAT_WHISPER: type = CHAT_MSG_WHISPER; break; case CMSG_MESSAGECHAT_GUILD: type = CHAT_MSG_GUILD; break; case CMSG_MESSAGECHAT_OFFICER: type = CHAT_MSG_OFFICER; break; case CMSG_MESSAGECHAT_AFK: type = CHAT_MSG_AFK; break; case CMSG_MESSAGECHAT_DND: type = CHAT_MSG_DND; break; case CMSG_MESSAGECHAT_EMOTE: type = CHAT_MSG_EMOTE; break; case CMSG_MESSAGECHAT_PARTY: type = CHAT_MSG_PARTY; break; case CMSG_MESSAGECHAT_PARTY_LEADER: type = CHAT_MSG_PARTY_LEADER; break; case CMSG_MESSAGECHAT_RAID: type = CHAT_MSG_RAID; break; case CMSG_MESSAGECHAT_RAID_LEADER: type = CHAT_MSG_RAID_LEADER; break; case CMSG_MESSAGECHAT_BATTLEGROUND: type = CHAT_MSG_BATTLEGROUND; break; case CMSG_MESSAGECHAT_BATTLEGROUND_LEADER: type = CHAT_MSG_BATTLEGROUND_LEADER; break; case CMSG_MESSAGECHAT_RAID_WARNING: type = CHAT_MSG_RAID_WARNING; break; default: sLog->outDetail("HandleMessagechatOpcode : Unknown chat opcode (%u)", recv_data.GetOpcode()); recv_data.hexlike(); return; } // no language for AFK and DND messages if (type == CHAT_MSG_AFK) { std::string msg; recv_data >> msg; if ((msg.empty() || !_player->isAFK()) && !_player->isInCombat()) { if (!_player->isAFK()) { if (msg.empty()) msg = GetStarGateString(LANG_PLAYER_AFK_DEFAULT); _player->afkMsg = msg; } sScriptMgr->OnPlayerChat(_player, type, LANG_UNIVERSAL, msg); _player->ToggleAFK(); if (_player->isAFK() && _player->isDND()) _player->ToggleDND(); } return; }
/// Update the WorldSession (triggered by World update) bool WorldSession::Update(uint32 /*diff*/) { ///- Retrieve packets from the receive queue and call the appropriate handlers /// not proccess packets if socket already closed WorldPacket* packet; while (m_Socket && !m_Socket->IsClosed() && _recvQueue.next(packet)) { /*#if 1 sLog.outError( "MOEP: %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); #endif*/ OpcodeHandler const* opHandle = opCodes.LookupOpcode(packet->GetOpcode()); if (!opHandle) opHandle = opCodes.LookupOpcode(MSG_NULL_ACTION); try { switch (opHandle->status) { case STATUS_LOGGEDIN: if(!_player) { // skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets if(!m_playerRecentlyLogout) LogUnexpectedOpcode(packet, "the player has not logged in yet"); } else if(_player->IsInWorld()) ExecuteOpcode(*opHandle, packet); // lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer break; case STATUS_LOGGEDIN_OR_RECENTLY_LOGGEDOUT: if(!_player && !m_playerRecentlyLogout) { LogUnexpectedOpcode(packet, "the player has not logged in yet and not recently logout"); } else // not expected _player or must checked in packet hanlder ExecuteOpcode(*opHandle, packet); break; case STATUS_TRANSFER: if(!_player) LogUnexpectedOpcode(packet, "the player has not logged in yet"); else if(_player->IsInWorld()) LogUnexpectedOpcode(packet, "the player is still in world"); else ExecuteOpcode(*opHandle, packet); break; case STATUS_AUTHED: // prevent cheating with skip queue wait if(m_inQueue) { LogUnexpectedOpcode(packet, "the player not pass queue yet"); break; } // single from authed time opcodes send in to after logout time // and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes. m_playerRecentlyLogout = false; ExecuteOpcode(*opHandle, packet); break; case STATUS_NEVER: sLog.outError( "SESSION: received not allowed opcode %s (0x%.4X)", opHandle->name, packet->GetOpcode()); break; case STATUS_UNHANDLED: DEBUG_LOG("SESSION: received not handled opcode %s (0x%.4X)", opHandle->name, packet->GetOpcode()); break; default: sLog.outError("SESSION: received wrong-status-req opcode %s (0x%.4X)", opHandle->name, packet->GetOpcode()); break; } } catch (ByteBufferException &) { sLog.outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i.", packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId()); if (sLog.HasLogLevelOrHigher(LOG_LVL_DEBUG)) { DEBUG_LOG("Dumping error causing packet:"); packet->hexlike(); } if (sWorld.getConfig(CONFIG_BOOL_KICK_PLAYER_ON_BAD_PACKET)) { DETAIL_LOG("Disconnecting session [account id %u / address %s] for badly formatted packet.", GetAccountId(), GetRemoteAddress().c_str()); KickPlayer(); } } delete packet; } ///- Cleanup socket pointer if need if (m_Socket && m_Socket->IsClosed ()) { m_Socket->RemoveReference (); m_Socket = NULL; } ///- If necessary, log the player out time_t currTime = time(NULL); if (!m_Socket || (ShouldLogOut(currTime) && !m_playerLoading)) LogoutPlayer(true); if (!m_Socket) return false; //Will remove this session from the world session map return true; }
/// Update the WorldSession (triggered by World update) bool WorldSession::Update(uint32 diff, PacketFilter& updater) { /// Update Timeout timer. UpdateTimeOutTime(diff); ///- Before we process anything: /// If necessary, kick the player from the character select screen if (IsConnectionIdle()) m_Socket->CloseSocket(); ///- Retrieve packets from the receive queue and call the appropriate handlers /// not process packets if socket already closed WorldPacket* packet = NULL; //! Delete packet after processing by default bool deletePacket = true; //! To prevent infinite loop WorldPacket* firstDelayedPacket = NULL; //! If _recvQueue.peek() == firstDelayedPacket it means that in this Update call, we've processed all //! *properly timed* packets, and we're now at the part of the queue where we find //! delayed packets that were re-enqueued due to improper timing. To prevent an infinite //! loop caused by re-enqueueing the same packets over and over again, we stop updating this session //! and continue updating others. The re-enqueued packets will be handled in the next Update call for this session. //uint32 processedPackets = 0; uint32 msTime = getMSTime(); uint32 currentMSTime = msTime; //bool output = false; std::list<std::pair<uint32, uint32> > processedOpcodes; while (m_Socket && !m_Socket->IsClosed() && !_recvQueue.empty() && _recvQueue.peek(true) != firstDelayedPacket && _recvQueue.next(packet, updater)) { sLog->outDebug(LOG_FILTER_NETWORKIO, "SESSION: IN opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); if (packet->GetOpcode() >= NUM_MSG_TYPES) { sLog->outError("SESSION: received non-existed opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); sScriptMgr->OnUnknownPacketReceive(m_Socket, WorldPacket(*packet)); } else { OpcodeHandler &opHandle = opcodeTable[packet->GetOpcode()]; try { switch (opHandle.status) { case STATUS_LOGGEDIN: if (!_player) { // skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets //! If player didn't log out a while ago, it means packets are being sent while the server does not recognize //! the client to be in world yet. We will re-add the packets to the bottom of the queue and process them later. if (!m_playerRecentlyLogout) { //! Prevent infinite loop if (!firstDelayedPacket) firstDelayedPacket = packet; //! Because checking a bool is faster than reallocating memory deletePacket = false; QueuePacket(packet); //! Log sLog->outDebug(LOG_FILTER_NETWORKIO, "Re-enqueueing packet with opcode %s (0x%.4X) with with status STATUS_LOGGEDIN. " "Player is currently not in world yet.", opHandle.name, packet->GetOpcode()); } } else if (_player->IsInWorld()) { sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle.handler)(*packet); if (sLog->IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } // lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer break; case STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT: if (!_player && !m_playerRecentlyLogout && !m_playerLogout) // There's a short delay between _player = null and m_playerRecentlyLogout = true during logout LogUnexpectedOpcode(packet, "STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT", "the player has not logged in yet and not recently logout"); else { // not expected _player or must checked in packet handler sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle.handler)(*packet); if (sLog->IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } break; case STATUS_TRANSFER: if (!_player) LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player has not logged in yet"); else if (_player->IsInWorld()) LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player is still in world"); else { sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle.handler)(*packet); if (sLog->IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } break; case STATUS_AUTHED: // prevent cheating with skip queue wait if (m_inQueue) { LogUnexpectedOpcode(packet, "STATUS_AUTHED", "the player not pass queue yet"); break; } // some auth opcodes can be recieved before STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes // however when we recieve CMSG_CHAR_ENUM we are surely no longer during the logout process. if (packet->GetOpcode() == CMSG_CHAR_ENUM) m_playerRecentlyLogout = false; sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle.handler)(*packet); if (sLog->IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); break; case STATUS_NEVER: sLog->outDebug(LOG_FILTER_NETWORKIO, "SESSION (account: %u, guidlow: %u, char: %s): received not allowed opcode %s (0x%.4X)", GetAccountId(), m_GUIDLow, _player ? _player->GetName() : "<none>", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); break; case STATUS_UNHANDLED: sLog->outDebug(LOG_FILTER_NETWORKIO, "SESSION (account: %u, guidlow: %u, char: %s): received not handled opcode %s (0x%.4X)", GetAccountId(), m_GUIDLow, _player ? _player->GetName() : "<none>", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); break; } } catch (ByteBufferException &) { sLog->outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.", packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId()); if (sLog->IsOutDebug()) { sLog->outDebug(LOG_FILTER_NETWORKIO, "Dumping error causing packet:"); packet->hexlike(); } } } uint32 temporary = getMSTime(); processedOpcodes.push_back(std::pair<uint32, uint32>(packet->GetOpcode(), getMSTimeDiff(currentMSTime, temporary))); if (deletePacket) delete packet; deletePacket = true; /*#define MAX_PROCESSED_PACKETS_IN_SAME_WORLDSESSION_UPDATE 50 processedPackets++; //process only a max amout of packets in 1 Update() call. //Any leftover will be processed in next update if (processedPackets > MAX_PROCESSED_PACKETS_IN_SAME_WORLDSESSION_UPDATE) { output = true; break; } #define MAX_PROCESS_MSTIME_IN_SAME_WORLDSESSION_UPDATE 5 currentMSTime = getMSTime(); if (getUSTimeDiff(msTime, currentMSTime) > MAX_PROCESS_MSTIME_IN_SAME_WORLDSESSION_UPDATE) { output = true; break; }*/ } /*if (output) { std::stringstream ss; ss << "Session: " << GetAccountId() << " Player: " << GetPlayerName(); std::list<std::pair<uint32, uint32> >::iterator itr = processedOpcodes.begin(); for (; itr != processedOpcodes.end(); ++itr) ss << " " << itr->first << "-" << itr->second << "ms"; sLog->outPerformance(ss.str().c_str()); }*/ ProcessQueryCallbacks(); if (_newNode) { if (Player *player = GetPlayer()) { if (player->IsSaveCommited()) { WorldPacket data(NODE_MISC_DATA); data << uint32(CL_DEF_TRANSFER_TO_NODE); data << _newNode; SendPacket(&data); _newNode = 0; } } } //check if we are safe to proceed with logout //logout procedure should happen only in World::UpdateSessions() method!!! if (updater.ProcessLogout()) { time_t currTime = time(NULL); ///- If necessary, log the player out if (ShouldLogOut(currTime) && !m_playerLoading) LogoutPlayer(true); ///- Cleanup socket pointer if need if (m_Socket && m_Socket->IsClosed()) { expireTime -= expireTime > diff ? diff : expireTime; if (expireTime < diff || forceExit) { m_Socket->RemoveReference(); m_Socket = NULL; } } if (!m_Socket) return false; //Will remove this session from the world session map } return true; }
/// Update the WorldSession (triggered by World update) bool WorldSession::Update(uint32 diff, PacketFilter& updater) { uint32 sessionDiff = getMSTime(); uint32 nbPacket = 0; std::map<uint32, OpcodeInfo> pktHandle; // opcodeId / OpcodeInfo /// Antispam Timer update if (sWorld->getBoolConfig(CONFIG_ANTISPAM_ENABLED)) UpdateAntispamTimer(diff); /// Update Timeout timer. UpdateTimeOutTime(diff); ///- Before we process anything: /// If necessary, kick the player from the character select screen if (IsConnectionIdle()) m_Socket->CloseSocket(); ///- Retrieve packets from the receive queue and call the appropriate handlers /// not process packets if socket already closed WorldPacket* packet = NULL; //! Delete packet after processing by default bool deletePacket = true; //! To prevent infinite loop WorldPacket* firstDelayedPacket = NULL; //! If _recvQueue.peek() == firstDelayedPacket it means that in this Update call, we've processed all //! *properly timed* packets, and we're now at the part of the queue where we find //! delayed packets that were re-enqueued due to improper timing. To prevent an infinite //! loop caused by re-enqueueing the same packets over and over again, we stop updating this session //! and continue updating others. The re-enqueued packets will be handled in the next Update call for this session. uint32 processedPackets = 0; while (m_Socket && !m_Socket->IsClosed() && !_recvQueue.empty() && _recvQueue.peek(true) != firstDelayedPacket && _recvQueue.next(packet, updater)) { const OpcodeHandler* opHandle = opcodeTable[packet->GetOpcode()]; uint32 pktTime = getMSTime(); try { switch (opHandle->status) { case STATUS_LOGGEDIN: if (!_player) { // skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets //! If player didn't log out a while ago, it means packets are being sent while the server does not recognize //! the client to be in world yet. We will re-add the packets to the bottom of the queue and process them later. if (!m_playerRecentlyLogout) { //! Prevent infinite loop if (!firstDelayedPacket) firstDelayedPacket = packet; //! Because checking a bool is faster than reallocating memory deletePacket = false; QueuePacket(packet); //! Log sLog->outDebug(LOG_FILTER_NETWORKIO, "Re-enqueueing packet with opcode %s with with status STATUS_LOGGEDIN. " "Player is currently not in world yet.", GetOpcodeNameForLogging(packet->GetOpcode()).c_str()); } } else if (_player->IsInWorld()) { sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); #ifdef ELUNA if (!sEluna->OnPacketReceive(this, *packet)) break; #endif (this->*opHandle->handler)(*packet); if (sLog->ShouldLog(LOG_FILTER_NETWORKIO, LOG_LEVEL_TRACE) && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } // lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer break; case STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT: if (!_player && !m_playerRecentlyLogout && !m_playerLogout) // There's a short delay between _player = null and m_playerRecentlyLogout = true during logout LogUnexpectedOpcode(packet, "STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT", "the player has not logged in yet and not recently logout"); else { // not expected _player or must checked in packet hanlder sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); #ifdef ELUNA if (!sEluna->OnPacketReceive(this, *packet)) break; #endif (this->*opHandle->handler)(*packet); if (sLog->ShouldLog(LOG_FILTER_NETWORKIO, LOG_LEVEL_TRACE) && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } break; case STATUS_TRANSFER: if (!_player) LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player has not logged in yet"); else if (_player->IsInWorld()) LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player is still in world"); else { sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); #ifdef ELUNA if (!sEluna->OnPacketReceive(this, *packet)) break; #endif (this->*opHandle->handler)(*packet); if (sLog->ShouldLog(LOG_FILTER_NETWORKIO, LOG_LEVEL_TRACE) && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } break; case STATUS_AUTHED: // prevent cheating with skip queue wait if (m_inQueue) { LogUnexpectedOpcode(packet, "STATUS_AUTHED", "the player not pass queue yet"); break; } // some auth opcodes can be recieved before STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes // however when we recieve CMSG_CHAR_ENUM we are surely no longer during the logout process. if (packet->GetOpcode() == CMSG_CHAR_ENUM) m_playerRecentlyLogout = false; sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); #ifdef ELUNA if (!sEluna->OnPacketReceive(this, *packet)) break; #endif (this->*opHandle->handler)(*packet); if (sLog->ShouldLog(LOG_FILTER_NETWORKIO, LOG_LEVEL_TRACE) && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); break; case STATUS_NEVER: sLog->outError(LOG_FILTER_OPCODES, "Received not allowed opcode %s from %s", GetOpcodeNameForLogging(packet->GetOpcode()).c_str() , GetPlayerName(false).c_str()); break; case STATUS_UNHANDLED: sLog->outError(LOG_FILTER_OPCODES, "Received not handled opcode %s from %s", GetOpcodeNameForLogging(packet->GetOpcode()).c_str() , GetPlayerName(false).c_str()); break; } } catch(ByteBufferException &) { sLog->outError(LOG_FILTER_NETWORKIO, "WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.", packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId()); packet->hexlike(); } nbPacket++; std::map<uint32, OpcodeInfo>::iterator itr = pktHandle.find(packet->GetOpcode()); if (itr == pktHandle.end()) pktHandle.insert(std::make_pair(packet->GetOpcode(), OpcodeInfo(1, getMSTime() - pktTime))); else { OpcodeInfo& data = (*itr).second; data.nbPkt += 1; data.totalTime += getMSTime() - pktTime; } if (deletePacket) delete packet; #define MAX_PROCESSED_PACKETS_IN_SAME_WORLDSESSION_UPDATE 500 processedPackets++; //process only a max amout of packets in 1 Update() call. //Any leftover will be processed in next update if (processedPackets > MAX_PROCESSED_PACKETS_IN_SAME_WORLDSESSION_UPDATE) break; } if (m_Socket && !m_Socket->IsClosed() && _warden) _warden->Update(); ProcessQueryCallbacks(); //check if we are safe to proceed with logout //logout procedure should happen only in World::UpdateSessions() method!!! if (updater.ProcessLogout()) { time_t currTime = time(NULL); ///- If necessary, log the player out if (ShouldLogOut(currTime) && !m_playerLoading) LogoutPlayer(true); if (m_Socket && GetPlayer() && _warden) _warden->Update(); ///- Cleanup socket pointer if need if (m_Socket && m_Socket->IsClosed()) { m_Socket->RemoveReference(); m_Socket = NULL; } if (!m_Socket) return false; //Will remove this session from the world session map } sessionDiff = getMSTime() - sessionDiff; if (sessionDiff > 50) { sLog->outInfo(LOG_FILTER_PLAYER, "Session of account [%u] take more than 50 ms to execute (%u ms)", GetAccountId(), sessionDiff); for (auto itr : pktHandle) sLog->outInfo(LOG_FILTER_PLAYER, "Session of account -----> %u %s (%u ms)", itr.second.nbPkt, GetOpcodeNameForLogging((Opcodes)itr.first).c_str(), itr.second.totalTime); } return true; }
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data ) { uint32 opcode = recv_data.GetOpcode(); DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode); recv_data.hexlike(); Unit *mover = _player->GetMover(); Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL; // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck if(plMover && plMover->IsBeingTeleported()) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } /* extract packet */ ObjectGuid guid; MovementInfo movementInfo; recv_data >> guid.ReadAsPacked(); recv_data >> movementInfo; /*----------------*/ // ignore wrong guid (player attempt cheating own session for not own guid possible...) if (guid != mover->GetObjectGuid()) return; if (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o)) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } /* handle special cases */ if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT) && !mover->GetVehicleGUID()) { // transports size limited // (also received at zeppelin/lift leave by some reason with t_* as absolute in continent coordinates, can be safely skipped) if( movementInfo.GetTransportPos()->x > 50 || movementInfo.GetTransportPos()->y > 50 || movementInfo.GetTransportPos()->z > 100 ) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } if( !MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x + movementInfo.GetTransportPos()->x, movementInfo.GetPos()->y + movementInfo.GetTransportPos()->y, movementInfo.GetPos()->z + movementInfo.GetTransportPos()->z, movementInfo.GetPos()->o + movementInfo.GetTransportPos()->o) ) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } // if we boarded a transport, add us to it if (plMover && !plMover->m_transport) { // elevators also cause the client to send MOVEFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter) { if ((*iter)->GetObjectGuid() == movementInfo.GetTransportGuid()) { plMover->m_transport = (*iter); (*iter)->AddPassenger(plMover); break; } } } } else if (plMover && plMover->m_transport) // if we were on a transport, leave { plMover->m_transport->RemovePassenger(plMover); plMover->m_transport = NULL; movementInfo.ClearTransportData(); } // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map). if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying()) plMover->HandleFall(movementInfo); if (plMover && (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater())) { // now client not include swimming flag in case jumping under water plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z) ); } if (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING)) { if(mover->GetTypeId() == TYPEID_UNIT) { if(((Creature*)mover)->isVehicle() && !((Creature*)mover)->canSwim()) { // NOTE : we should enter evade mode here, but... ((Vehicle*)mover)->SetSpawnDuration(1); } } } /*----------------------*/ /* process position-change */ movementInfo.UpdateTime(getMSTime()); WorldPacket data(opcode, recv_data.size()); data.appendPackGUID(mover->GetGUID()); // write guid movementInfo.Write(data); // write data mover->SendMessageToSetExcept(&data, _player); if(plMover) // nothing is charmed, or player charmed { plMover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o); plMover->m_movementInfo = movementInfo; plMover->UpdateFallInformationIfNeed(movementInfo, opcode); // after move info set if ((opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE)) plMover->UpdateWalkMode(plMover, false); if(plMover->isMovingOrTurning()) plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH); if(movementInfo.GetPos()->z < -500.0f) { if(plMover->InBattleGround() && plMover->GetBattleGround() && plMover->GetBattleGround()->HandlePlayerUnderMap(_player)) { // do nothing, the handle already did if returned true } else { // NOTE: this is actually called many times while falling // even after the player has been teleported away // TODO: discard movement packets after the player is rooted if(plMover->isAlive()) { plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, plMover->GetMaxHealth()); // pl can be alive if GM/etc if(!plMover->isAlive()) { // change the death state to CORPSE to prevent the death timer from // starting in the next player update plMover->KillPlayer(); plMover->BuildPlayerRepop(); } } // cancel the death timer here if started plMover->RepopAtGraveyard(); } } } else // creature charmed { if(mover->IsInWorld()) { mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o); if(((Creature*)mover)->isVehicle()) ((Vehicle*)mover)->RellocatePassengers(mover->GetMap()); } } }
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data ) { Opcodes opcode = recv_data.GetOpcodeEnum(); DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode); recv_data.hexlike(); Unit *mover = _player->m_mover; STRAWBERRY_ASSERT(mover != NULL); // there must always be a mover Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL; // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck if (plMover && plMover->IsBeingTeleported()) { recv_data.rfinish(); // prevent warnings spam return; } /* extract packet */ MovementInfo movementInfo; ReadMovementInfo(recv_data, &movementInfo); recv_data.rfinish(); // prevent warnings spam // prevent tampered movement data if (movementInfo.guid != mover->GetObjectGuid()) return; /* handle special cases */ if (movementInfo.moveFlags & MOVEFLAG_ONTRANSPORT) { // transports size limited // (also received at zeppelin leave by some reason with t_* as absolute in continent coordinates, can be safely skipped) if (movementInfo.t_pos.x > 50 || movementInfo.t_pos.y > 50 || movementInfo.t_pos.z > 50) { recv_data.rfinish(); // prevent warnings spam return; } if (!Strawberry::IsValidMapCoord(movementInfo.pos.x + movementInfo.t_pos.x, movementInfo.pos.y + movementInfo.t_pos.y), movementInfo.pos.z + movementInfo.t_pos.z, movementInfo.pos.o + movementInfo.t_pos.o) { recv_data.rfinish(); // prevent warnings spam return; } // if we boarded a transport, add us to it if (plMover && !plMover->GetTransport()) { // elevators also cause the client to send MOVEMENTFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter) { if ((*iter)->GetObjectGuid() == movementInfo.t_guid) { plMover->m_transport = (*iter); (*iter)->AddPassenger(plMover); break; } } } if (!mover->GetTransport() && !mover->GetVehicle()) { GameObject *go = mover->GetMap()->GetGameObject(movementInfo.t_guid); if (!go || go->GetGoType() != GAMEOBJECT_TYPE_TRANSPORT) movementInfo.moveFlags &= ~MOVEFLAG_ONTRANSPORT; } } else if (plMover && plMover->GetTransport()) // if we were on a transport, leave { plMover->m_transport->RemovePassenger(plMover); plMover->m_transport = NULL; movementInfo.t_time = 0; movementInfo.t_seat = -1; } // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map). if (opcode == MSG_MOVE_FALL_LAND && plMover) plMover->HandleFall(movementInfo); if (plMover && ((movementInfo.moveFlags & MOVEFLAG_SWIMMING) != 0) != plMover->IsInWater()) { // now client not include swimming flag in case jumping under water plMover->SetInWater(!plMover->IsInWater());// || plMover->GetMap()->IsUnderWater(movementInfo.pos.x, movementInfo.pos.y, movementInfo.pos.y)); } /*----------------------*/ /* process position-change */ WorldPacket data(Opcodes(opcode), recv_data.size()); movementInfo.time = WorldTimer::getMSTime(); movementInfo.guid = mover->GetObjectGuid(); WriteMovementInfo(&data, &movementInfo); mover->SendMessageToSet(&data, _player); mover->m_movementInfo = movementInfo; // this is almost never true (not sure why it is sometimes, but it is), normally use mover->IsVehicle() if (mover->GetVehicle()) { mover->SetOrientation(movementInfo.pos.o); return; } mover->SetPosition(movementInfo.pos.x, movementInfo.pos.y, movementInfo.pos.z, movementInfo.pos.o, false); if (plMover) // nothing is charmed, or player charmed { plMover->UpdateFallInformationIfNeed(movementInfo, opcode); if (movementInfo.pos.z < -500.0f) { //if (!(plMover->InBattleground() // && plMover->GetBattleground() // && plMover->GetBattleground()->HandlePlayerUnderMap(_player))) { // NOTE: this is actually called many times while falling // even after the player has been teleported away // TODO: discard movement packets after the player is rooted if (plMover->isAlive()) { plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth()); // pl can be alive if GM/etc if (!plMover->isAlive()) { // change the death state to CORPSE to prevent the death timer from // starting in the next player update plMover->KillPlayer(); plMover->BuildPlayerRepop(); } } // cancel the death timer here if started //plMover->RepopAtGraveyard(); } } } }
void WorldSession::HandleChangeSeatsOnControlledVehicle(WorldPacket &recv_data) { sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_CHANGE_SEATS_ON_CONTROLLED_VEHICLE"); recv_data.hexlike(); Unit* vehicle_base = GetPlayer()->GetVehicleBase(); if (!vehicle_base) return; VehicleSeatEntry const* seat = GetPlayer()->GetVehicle()->GetSeatForPassenger(GetPlayer()); if (!seat->CanSwitchFromSeat()) { sLog->outError("HandleChangeSeatsOnControlledVehicle, Opcode: %u, Player %u tried to switch seats but current seatflags %u don't permit that.", recv_data.GetOpcode(), GetPlayer()->GetGUIDLow(), seat->m_flags); return; } switch (recv_data.GetOpcode()) { case CMSG_REQUEST_VEHICLE_PREV_SEAT: GetPlayer()->ChangeSeat(-1, false); break; case CMSG_REQUEST_VEHICLE_NEXT_SEAT: GetPlayer()->ChangeSeat(-1, true); break; case CMSG_CHANGE_SEATS_ON_CONTROLLED_VEHICLE: { uint64 guid; // current vehicle guid recv_data.readPackGUID(guid); ReadMovementInfo(recv_data, &vehicle_base->m_movementInfo); uint64 accessory; // accessory guid recv_data.readPackGUID(accessory); int8 seatId; recv_data >> seatId; if (vehicle_base->GetGUID() != guid) return; if (!accessory) GetPlayer()->ChangeSeat(-1, seatId > 0); // prev/next else if (Unit *vehUnit = Unit::GetUnit(*GetPlayer(), accessory)) { if (Vehicle *vehicle = vehUnit->GetVehicleKit()) if (vehicle->HasEmptySeat(seatId)) GetPlayer()->EnterVehicle(vehicle, seatId); } } break; case CMSG_REQUEST_VEHICLE_SWITCH_SEAT: { uint64 guid; // current vehicle guid recv_data.readPackGUID(guid); int8 seatId; recv_data >> seatId; if (vehicle_base->GetGUID() == guid) GetPlayer()->ChangeSeat(seatId); else if (Unit *vehUnit = Unit::GetUnit(*GetPlayer(), guid)) if (Vehicle *vehicle = vehUnit->GetVehicleKit()) if (vehicle->HasEmptySeat(seatId)) GetPlayer()->EnterVehicle(vehicle, seatId); } break; default: break; } }
/// Update the WorldSession (triggered by World update) bool WorldSession::Update(uint32 diff, PacketFilter& updater) { /// Update Timeout timer. UpdateTimeOutTime(diff); ///- Before we process anything: /// If necessary, kick the player from the character select screen if (IsConnectionIdle()) m_Socket->CloseSocket(); ///- Retrieve packets from the receive queue and call the appropriate handlers /// not process packets if socket already closed WorldPacket* packet = NULL; //! Delete packet after processing by default bool deletePacket = true; //! To prevent infinite loop WorldPacket* firstDelayedPacket = NULL; //! If _recvQueue.peek() == firstDelayedPacket it means that in this Update call, we've processed all //! *properly timed* packets, and we're now at the part of the queue where we find //! delayed packets that were re-enqueued due to improper timing. To prevent an infinite //! loop caused by re-enqueueing the same packets over and over again, we stop updating this session //! and continue updating others. The re-enqueued packets will be handled in the next Update call for this session. while (m_Socket && !m_Socket->IsClosed() && !_recvQueue.empty() && _recvQueue.peek(true) != firstDelayedPacket && _recvQueue.next(packet, updater)) { if (packet->GetOpcode() >= NUM_MSG_TYPES) { sLog->outError("SESSION: received non-existed opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); sScriptMgr->OnUnknownPacketReceive(m_Socket, WorldPacket(*packet)); } else { OpcodeHandler &opHandle = opcodeTable[packet->GetOpcode()]; try { switch (opHandle.status) { case STATUS_LOGGEDIN: if (!_player) { // skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets //! If player didn't log out a while ago, it means packets are being sent while the server does not recognize //! the client to be in world yet. We will re-add the packets to the bottom of the queue and process them later. if (!m_playerRecentlyLogout) { //! Prevent infinite loop if (!firstDelayedPacket) firstDelayedPacket = packet; //! Because checking a bool is faster than reallocating memory deletePacket = false; QueuePacket(packet); //! Log sLog->outDebug(LOG_FILTER_NETWORKIO, "Re-enqueueing packet with opcode %s (0x%.4X) with with status STATUS_LOGGEDIN. " "Player is currently not in world yet.", opHandle.name, packet->GetOpcode()); } } else if (_player->IsInWorld()) { sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle.handler)(*packet); if (sLog->IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } // lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer break; case STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT: if (!_player && !m_playerRecentlyLogout) LogUnexpectedOpcode(packet, "STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT", "the player has not logged in yet and not recently logout"); else { // not expected _player or must checked in packet handler sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle.handler)(*packet); if (sLog->IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } break; case STATUS_TRANSFER: if (!_player) LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player has not logged in yet"); else if (_player->IsInWorld()) LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player is still in world"); else { sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle.handler)(*packet); if (sLog->IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } break; case STATUS_AUTHED: // prevent cheating with skip queue wait if (m_inQueue) { LogUnexpectedOpcode(packet, "STATUS_AUTHED", "the player not pass queue yet"); break; } // single from authed time opcodes send in to after logout time // and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes. if (packet->GetOpcode() != CMSG_SET_ACTIVE_VOICE_CHANNEL) m_playerRecentlyLogout = false; sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle.handler)(*packet); if (sLog->IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); break; case STATUS_NEVER: sLog->outError("SESSION (account: %u, guidlow: %u, char: %s): received not allowed opcode %s (0x%.4X)", GetAccountId(), m_GUIDLow, _player ? _player->GetName() : "<none>", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); break; case STATUS_UNHANDLED: sLog->outDebug(LOG_FILTER_NETWORKIO, "SESSION (account: %u, guidlow: %u, char: %s): received not handled opcode %s (0x%.4X)", GetAccountId(), m_GUIDLow, _player ? _player->GetName() : "<none>", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); break; } } catch(ByteBufferException &) { sLog->outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.", packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId()); if (sLog->IsOutDebug()) { sLog->outDebug(LOG_FILTER_NETWORKIO, "Dumping error causing packet:"); packet->hexlike(); } } } if (deletePacket) delete packet; } if (m_Socket && !m_Socket->IsClosed() && _warden) _warden->Update(); ProcessQueryCallbacks(); //check if we are safe to proceed with logout //logout procedure should happen only in World::UpdateSessions() method!!! if (updater.ProcessLogout()) { time_t currTime = time(NULL); ///- If necessary, log the player out if (ShouldLogOut(currTime) && !m_playerLoading) LogoutPlayer(true); if (m_Socket && GetPlayer() && _warden) _warden->Update(); ///- Cleanup socket pointer if need if (m_Socket && m_Socket->IsClosed()) { m_Socket->RemoveReference(); m_Socket = NULL; } if (!m_Socket) return false; //Will remove this session from the world session map } return true; }
// Update the WorldSession (triggered by World update) bool WorldSession::Update(uint32 diff) { /// Update Timeout timer. UpdateTimeOutTime(diff); ///- Before we process anything: /// If necessary, kick the player from the character select screen if (IsConnectionIdle()) m_Socket->CloseSocket(); // Retrieve packets from the receive queue and call the appropriate handlers // not process packets if socket already closed WorldPacket* packet; while (m_Socket && !m_Socket->IsClosed() && _recvQueue.next(packet)) { /*#if 1 sLog.outError("MOEP: %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); #endif*/ if (packet->GetOpcode() >= NUM_MSG_TYPES) { sLog.outDebug("SESSION: received invalid opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); } else { OpcodeHandler const& opHandle = opcodeTable[packet->GetOpcode()]; try { switch (opHandle.status) { case STATUS_LOGGEDIN: if (!_player) { // skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets if (!m_playerRecentlyLogout) LogUnexpectedOpcode(packet, "the player has not logged in yet"); } else if (_player->IsInWorld()) ExecuteOpcode(opHandle, packet); // lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer break; case STATUS_TRANSFER_PENDING: if (!_player) LogUnexpectedOpcode(packet, "the player has not logged in yet"); else if (_player->IsInWorld()) LogUnexpectedOpcode(packet, "the player is still in world"); else ExecuteOpcode(opHandle, packet); break; case STATUS_AUTHED: // prevent cheating with skip queue wait if (m_inQueue) { LogUnexpectedOpcode(packet, "the player not pass queue yet"); break; } m_playerRecentlyLogout = false; ExecuteOpcode(opHandle, packet); break; case STATUS_NEVER: sLog.outDebug("SESSION: received not allowed opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); break; } } catch(ByteBufferException &) { sLog.outDebug("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.", packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId()); if (sLog.IsOutDebug()) { sLog.outDebug("Dumping error causing packet:"); packet->hexlike(); } } } delete packet; } if (m_Socket && !m_Socket->IsClosed() && m_Warden) m_Warden->Update(); ///- If necessary, log the player out time_t currTime = time(NULL); if (ShouldLogOut(currTime) && !m_playerLoading) LogoutPlayer(true); // Cleanup socket pointer if need if (m_Socket && m_Socket->IsClosed()) { m_Socket->RemoveReference(); m_Socket = NULL; } if (!m_Socket) return false; //Will remove this session from the world session map return true; }
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data ) { uint32 opcode = recv_data.GetOpcode(); DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode); recv_data.hexlike(); Unit *mover = _player->GetMover(); Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL; // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck if (plMover && plMover->IsBeingTeleported()) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } /* extract packet */ ObjectGuid guid; MovementInfo movementInfo; recv_data >> guid.ReadAsPacked(); recv_data >> movementInfo; /*----------------*/ if (!Diamond::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o)) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } /* handle special cases */ if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT)) { // transports size limited // (also received at zeppelin/lift leave by some reason with t_* as absolute in continent coordinates, can be safely skipped) if ( movementInfo.GetTransportPos()->x > 50 || movementInfo.GetTransportPos()->y > 50 || movementInfo.GetTransportPos()->z > 100 ) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } if ( !Diamond::IsValidMapCoord(movementInfo.GetPos()->x + movementInfo.GetTransportPos()->x, movementInfo.GetPos()->y + movementInfo.GetTransportPos()->y, movementInfo.GetPos()->z + movementInfo.GetTransportPos()->z, movementInfo.GetPos()->o + movementInfo.GetTransportPos()->o) ) { recv_data.rpos(recv_data.wpos()); // prevent warnings spam return; } // if we boarded a transport, add us to it if (plMover && !plMover->m_transport) { float trans_rad = movementInfo.GetTransportPos()->x*movementInfo.GetTransportPos()->x + movementInfo.GetTransportPos()->y*movementInfo.GetTransportPos()->y + movementInfo.GetTransportPos()->z*movementInfo.GetTransportPos()->z; if (trans_rad > 3600.0f) // transport radius = 60 yards //cheater with on_transport_flag { return; } // elevators also cause the client to send MOVEFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter) { if ((*iter)->GetObjectGuid() == movementInfo.GetTransportGuid()) { plMover->m_transport = (*iter); (*iter)->AddPassenger(plMover); if (plMover->GetVehicleKit()) plMover->GetVehicleKit()->RemoveAllPassengers(); break; } } } } else if (plMover && plMover->m_transport) // if we were on a transport, leave { plMover->m_transport->RemovePassenger(plMover); plMover->m_transport = NULL; movementInfo.ClearTransportData(); } // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map). if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying()) plMover->HandleFall(movementInfo); if (plMover && (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater())) { // now client not include swimming flag in case jumping under water plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z) ); if (plMover->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z-7.0f)) { plMover->m_anti_BeginFallZ=INVALID_HEIGHT; } } // ---- anti-cheat features -->>> uint32 Anti_TeleTimeDiff=plMover ? time(NULL) - plMover->Anti__GetLastTeleTime() : time(NULL); static const uint32 Anti_TeleTimeIgnoreDiff=sWorld.GetMvAnticheatIgnoreAfterTeleport(); if (plMover && (plMover->m_transport == 0) && sWorld.GetMvAnticheatEnable() && GetPlayer()->GetSession()->GetSecurity() <= sWorld.GetMvAnticheatGmLevel() && GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()!=FLIGHT_MOTION_TYPE && Anti_TeleTimeDiff>Anti_TeleTimeIgnoreDiff) { const uint32 CurTime=getMSTime(); if (getMSTimeDiff(GetPlayer()->m_anti_lastalarmtime,CurTime) > sWorld.GetMvAnticheatAlarmPeriod()) { GetPlayer()->m_anti_alarmcount = 0; } /* I really don't care about movement-type yet (todo) UnitMoveType move_type; if (movementInfo.flags & MOVEMENTFLAG_FLYING) move_type = MOVE_FLY; else if (movementInfo.flags & MOVEMENTFLAG_SWIMMING) move_type = MOVE_SWIM; else if (movementInfo.flags & MOVEMENTFLAG_WALK_MODE) move_type = MOVE_WALK; else move_type = MOVE_RUN;*/ float delta_x = GetPlayer()->GetPositionX() - movementInfo.GetPos()->x; float delta_y = GetPlayer()->GetPositionY() - movementInfo.GetPos()->y; float delta_z = GetPlayer()->GetPositionZ() - movementInfo.GetPos()->z; float delta = sqrt(delta_x * delta_x + delta_y * delta_y); // Len of movement-vector via Pythagoras (a^2+b^2=Len^2) float tg_z = 0.0f; //tangens float delta_t = getMSTimeDiff(GetPlayer()->m_anti_lastmovetime,CurTime); GetPlayer()->m_anti_lastmovetime = CurTime; GetPlayer()->m_anti_MovedLen += delta; if (delta_t > 15000.0f) { delta_t = 15000.0f; } // Tangens of walking angel if (!(movementInfo.GetMovementFlags() & (MOVEFLAG_FLYING | MOVEFLAG_SWIMMING))) { tg_z = ((delta !=0.0f) && (delta_z > 0.0f)) ? (atan((delta_z*delta_z) / delta) * 180.0f / M_PI) : 0.0f; } //antiOFF fall-damage, MOVEMENTFLAG_UNK4 seted by client if player try movement when falling and unset in this case the MOVEMENTFLAG_FALLING flag. if ((!GetPlayer()->CanFly() && GetPlayer()->m_anti_BeginFallZ == INVALID_HEIGHT) && (movementInfo.GetMovementFlags() & (MOVEFLAG_FALLING | MOVEFLAG_FALLINGFAR)) != 0) { GetPlayer()->m_anti_BeginFallZ=(float)(movementInfo.GetPos()->z); } if (GetPlayer()->m_anti_NextLenCheck <= CurTime) { // Check every 500ms is a lot more advisable then 1000ms, because normal movment packet arrives every 500ms uint32 OldNextLenCheck=GetPlayer()->m_anti_NextLenCheck; float delta_xyt=GetPlayer()->m_anti_MovedLen/(float)(getMSTimeDiff(OldNextLenCheck-500,CurTime)); GetPlayer()->m_anti_NextLenCheck = CurTime+500; GetPlayer()->m_anti_MovedLen = 0.0f; static const float MaxDeltaXYT = sWorld.GetMvAnticheatMaxXYT(); if (delta_xyt > MaxDeltaXYT && delta<=100.0f && GetPlayer()->GetZoneId() != 2257) { if (sWorld.GetMvAnticheatSpeedCheck()) Anti__CheatOccurred(CurTime,"Speed hack",delta_xyt,LookupOpcodeName(opcode), (float)(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()), (float)(getMSTimeDiff(OldNextLenCheck-500,CurTime))); } } if (delta > 100.0f && GetPlayer()->GetZoneId() != 2257) { if (sWorld.GetMvAnticheatTeleportCheck()) Anti__ReportCheat("Tele hack",delta,LookupOpcodeName(opcode)); } // Check for waterwalking . Fix new way of checking for waterwalking by Darky88 if (movementInfo.HasMovementFlag(MOVEFLAG_WATERWALKING) && !(GetPlayer()->HasAuraType(SPELL_AURA_WATER_WALK) || GetPlayer()->HasAuraType(SPELL_AURA_GHOST))) { if (sWorld.GetMvAnticheatWaterCheck()) Anti__CheatOccurred(CurTime,"Water walking",0.0f,NULL,0.0f,(uint32)(movementInfo.GetMovementFlags())); } // Check for walking upwards a mountain while not beeing able to do that, New check by Darky88 if ((delta_z < -2.3f) && (tg_z > 2.37f)) { if (sWorld.GetMvAnticheatMountainCheck()) Anti__CheatOccurred(CurTime,"Mountain hack",tg_z,NULL,delta,delta_z); } static const float DIFF_OVERGROUND = 10.0f; float Anti__GroundZ = GetPlayer()->GetMap()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),MAX_HEIGHT); float Anti__FloorZ = GetPlayer()->GetMap()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),GetPlayer()->GetPositionZ()); float Anti__MapZ = ((Anti__FloorZ <= (INVALID_HEIGHT+5.0f)) ? Anti__GroundZ : Anti__FloorZ) + DIFF_OVERGROUND; if (!GetPlayer()->CanFly() && !GetPlayer()->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z-7.0f) && Anti__MapZ < GetPlayer()->GetPositionZ() && Anti__MapZ > (INVALID_HEIGHT+DIFF_OVERGROUND + 5.0f)) { static const float DIFF_AIRJUMP=25.0f; // 25 is realy high, but to many false positives... // Air-Jump-Detection definitively needs a better way to be detected... if ((movementInfo.GetMovementFlags() & (MOVEFLAG_CAN_FLY | MOVEFLAG_FLYING | MOVEFLAG_ROOT)) != 0) // Fly Hack { // Fix Aura 55164 if (!GetPlayer()->HasAura(55164) || !GetPlayer()->HasAuraType(SPELL_AURA_FEATHER_FALL)) if (sWorld.GetMvAnticheatFlyCheck()) Anti__CheatOccurred(CurTime,"Fly hack", ((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_FLY))) + ((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_MOD_FLIGHT_SPEED_MOUNTED))*2), NULL,GetPlayer()->GetPositionZ()-Anti__MapZ); } // Need a better way to do that - currently a lot of fake alarms else if ((Anti__MapZ+DIFF_AIRJUMP < GetPlayer()->GetPositionZ() && (movementInfo.GetMovementFlags() & (MOVEFLAG_FALLINGFAR | MOVEFLAG_PENDINGSTOP))==0) || (Anti__MapZ < GetPlayer()->GetPositionZ() && opcode==MSG_MOVE_JUMP) && !GetPlayer()->HasAuraType(SPELL_AURA_FEATHER_FALL)) { if (sWorld.GetMvAnticheatJumpCheck()) Anti__CheatOccurred(CurTime,"Possible Air Jump Hack",0.0f,LookupOpcodeName(opcode),0.0f,movementInfo.GetMovementFlags()); } } /*if (Anti__FloorZ < -199900.0f && Anti__GroundZ >= -199900.0f && GetPlayer()->GetPositionZ()+5.0f < Anti__GroundZ) { Anti__CheatOccurred(CurTime,"Teleport2Plane hack", GetPlayer()->GetPositionZ(),NULL,Anti__GroundZ); }*/ //Teleport To Plane checks if (movementInfo.GetPos()->z < 0.0001f && movementInfo.GetPos()->z > -0.0001f && (!movementInfo.HasMovementFlag(MovementFlags(MOVEFLAG_SWIMMING | MOVEFLAG_CAN_FLY | MOVEFLAG_FLYING)))) { if (sWorld.GetMvAnticheatTeleport2PlaneCheck()) { // Prevent using TeleportToPlan. Map *map = GetPlayer()->GetMap(); if (map) { float plane_z = map->GetHeight(movementInfo.GetPos()->x, movementInfo.GetPos()->y, MAX_HEIGHT) - movementInfo.GetPos()->z; plane_z = (plane_z < -500.0f) ? 0 : plane_z; //check holes in heigth map if (plane_z > 0.1f || plane_z < -0.1f) { if (sWorld.GetMvAnticheatTeleport2PlaneCheck()) Anti__CheatOccurred(CurTime,"Teleport2Plane hack",GetPlayer()->GetPositionZ(),NULL,plane_z); } } } } } // <<---- anti-cheat features /* process position-change */ movementInfo.UpdateTime(getMSTime()); WorldPacket data(opcode, recv_data.size()); data.appendPackGUID(mover->GetGUID()); // write guid movementInfo.Write(data); // write data mover->SendMessageToSetExcept(&data, _player); mover->m_movementInfo = movementInfo; mover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o); if (plMover) // nothing is charmed, or player charmed { plMover->UpdateFallInformationIfNeed(movementInfo, opcode); // after move info set if ((opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE)) plMover->UpdateWalkMode(plMover, false); if (plMover->isMovingOrTurning()) plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH); if (movementInfo.GetPos()->z < -500.0f) { if (plMover->InBattleGround() && plMover->GetBattleGround() && plMover->GetBattleGround()->HandlePlayerUnderMap(_player)) { // do nothing, the handle already did if returned true } else { // NOTE: this is actually called many times while falling // even after the player has been teleported away // TODO: discard movement packets after the player is rooted if (plMover->isAlive()) { plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, plMover->GetMaxHealth()); // pl can be alive if GM/etc if (!plMover->isAlive()) { // change the death state to CORPSE to prevent the death timer from // starting in the next player update plMover->KillPlayer(); plMover->BuildPlayerRepop(); } } // cancel the death timer here if started plMover->RepopAtGraveyard(); } } } }
void WorldSession::HandlePetitionBuyOpcode(WorldPacket & recv_data) { if (_player->GetGuildId()) return; sLog->outDebug(LOG_FILTER_NETWORKIO, "Received opcode CMSG_PETITION_BUY"); recv_data.hexlike(); uint64 guidNPC; uint32 clientIndex; // 1 for guild and arenaslot+1 for arenas in client std::string name; recv_data >> guidNPC; // NPC GUID recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint64>(); // 0 recv_data >> name; // name recv_data.read_skip<std::string>(); // some string recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint16>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 recv_data.read_skip<uint32>(); // 0 for (int i = 0; i < 10; ++i) recv_data.read_skip<std::string>(); recv_data >> clientIndex; // index recv_data.read_skip<uint32>(); // 0 sLog->outDebug(LOG_FILTER_NETWORKIO, "Petitioner with GUID %u tried sell petition: name %s", GUID_LOPART(guidNPC), name.c_str()); // prevent cheating Creature *pCreature = GetPlayer()->GetNPCIfCanInteractWith(guidNPC, UNIT_NPC_FLAG_PETITIONER); if (!pCreature) { sLog->outDebug( LOG_FILTER_NETWORKIO, "WORLD: HandlePetitionBuyOpcode - Unit (GUID: %u) not found or you can't interact with him.", GUID_LOPART(guidNPC)); return; } if (!pCreature->isTabardDesigner()) return; // remove fake death if (GetPlayer()->HasUnitState(UNIT_STAT_DIED)) GetPlayer()->RemoveAurasByType(SPELL_AURA_FEIGN_DEATH); uint32 charterid = GUILD_CHARTER; uint32 cost = GUILD_CHARTER_COST; if (sObjectMgr->GetGuildByName(name)) { Guild::SendCommandResult(this, GUILD_CREATE_S, ERR_GUILD_NAME_EXISTS_S, name); return; } if (sObjectMgr->IsReservedName(name) || !ObjectMgr::IsValidCharterName(name)) { Guild::SendCommandResult(this, GUILD_CREATE_S, ERR_GUILD_NAME_INVALID, name); return; } ItemPrototype const *pProto = ObjectMgr::GetItemPrototype(charterid); if (!pProto) { _player->SendBuyError(BUY_ERR_CANT_FIND_ITEM, NULL, charterid, 0); return; } if (!_player->HasEnoughMoney(cost)) { //player hasn't got enough money _player->SendBuyError(BUY_ERR_NOT_ENOUGHT_MONEY, pCreature, charterid, 0); return; } ItemPosCountVec dest; uint8 msg = _player->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, charterid, pProto->BuyCount); if (msg != EQUIP_ERR_OK) { _player->SendBuyError(msg, pCreature, charterid, 0); return; } _player->ModifyMoney(-(int32) cost); Item *charter = _player->StoreNewItem(dest, charterid, true); if (!charter) return; charter->SetUInt32Value(ITEM_FIELD_ENCHANTMENT_1_1, charter->GetGUIDLow()); // ITEM_FIELD_ENCHANTMENT_1_1 is guild/arenateam id // ITEM_FIELD_ENCHANTMENT_1_1+1 is current signatures count (showed on item) charter->SetState(ITEM_CHANGED, _player); _player->SendNewItem(charter, 1, true, false); // a petition is invalid, if both the owner and the type matches // we checked above, if this player is in an arenateam, so this must be // datacorruption QueryResult result = CharacterDatabase.PQuery( "SELECT petitionguid FROM petition WHERE ownerguid = '%u'", _player->GetGUIDLow()); std::ostringstream ssInvalidPetitionGUIDs; if (result) { do { Field *fields = result->Fetch(); ssInvalidPetitionGUIDs << "'" << fields[0].GetUInt32() << "' , "; } while (result->NextRow()); } // delete petitions with the same guid as this one ssInvalidPetitionGUIDs << "'" << charter->GetGUIDLow() << "'"; sLog->outDebug(LOG_FILTER_NETWORKIO, "Invalid petition GUIDs: %s", ssInvalidPetitionGUIDs.str().c_str()); CharacterDatabase.EscapeString(name); SQLTransaction trans = CharacterDatabase.BeginTransaction(); trans->PAppend("DELETE FROM petition WHERE petitionguid IN (%s)", ssInvalidPetitionGUIDs.str().c_str()); trans->PAppend("DELETE FROM petition_sign WHERE petitionguid IN (%s)", ssInvalidPetitionGUIDs.str().c_str()); trans->PAppend( "INSERT INTO petition (ownerguid, petitionguid, name) VALUES ('%u', '%u', '%s')", _player->GetGUIDLow(), charter->GetGUIDLow(), name.c_str()); CharacterDatabase.CommitTransaction(trans); }
void WorldSession::HandleCalendarGetEvent(WorldPacket &recv_data) { sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: CMSG_CALENDAR_GET_EVENT"); recv_data.hexlike(); recv_data.read_skip<uint64>(); // unk }
/// Update the WorldSession (triggered by World update) bool WorldSession::Update(uint32 diff, PacketFilter& updater) { /// Update Timeout timer. UpdateTimeOutTime(diff); ///- Before we process anything: /// If necessary, kick the player from the character select screen if (IsConnectionIdle()) m_Socket->CloseSocket(); ///- Retrieve packets from the receive queue and call the appropriate handlers /// not process packets if socket already closed WorldPacket* packet = NULL; //! Delete packet after processing by default bool deletePacket = true; //! To prevent infinite loop WorldPacket* firstDelayedPacket = NULL; //! If _recvQueue.peek() == firstDelayedPacket it means that in this Update call, we've processed all //! *properly timed* packets, and we're now at the part of the queue where we find //! delayed packets that were re-enqueued due to improper timing. To prevent an infinite //! loop caused by re-enqueueing the same packets over and over again, we stop updating this session //! and continue updating others. The re-enqueued packets will be handled in the next Update call for this session. uint32 processedPackets = 0; while (m_Socket && !m_Socket->IsClosed() && !_recvQueue.empty() && _recvQueue.peek(true) != firstDelayedPacket && _recvQueue.next(packet, updater)) { if (!AntiDOS.EvaluateOpcode(*packet)) KickPlayer(); OpcodeHandler const* opHandle = clientOpcodeTable[packet->GetOpcode()]; try { switch (opHandle->Status) { case STATUS_LOGGEDIN: if (!_player) { // skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets //! If player didn't log out a while ago, it means packets are being sent while the server does not recognize //! the client to be in world yet. We will re-add the packets to the bottom of the queue and process them later. if (!m_playerRecentlyLogout) { //! Prevent infinite loop if (!firstDelayedPacket) firstDelayedPacket = packet; //! Because checking a bool is faster than reallocating memory deletePacket = false; QueuePacket(packet); //! Log TC_LOG_DEBUG("network", "Re-enqueueing packet with opcode %s with with status STATUS_LOGGEDIN. " "Player is currently not in world yet.", GetOpcodeNameForLogging(packet->GetOpcode(), false).c_str()); } } else if (_player->IsInWorld()) { sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle->Handler)(*packet); LogUnprocessedTail(packet); } // lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer break; case STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT: if (!_player && !m_playerRecentlyLogout && !m_playerLogout) // There's a short delay between _player = null and m_playerRecentlyLogout = true during logout LogUnexpectedOpcode(packet, "STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT", "the player has not logged in yet and not recently logout"); else { // not expected _player or must checked in packet hanlder sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle->Handler)(*packet); LogUnprocessedTail(packet); } break; case STATUS_TRANSFER: if (!_player) LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player has not logged in yet"); else if (_player->IsInWorld()) LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player is still in world"); else { sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle->Handler)(*packet); LogUnprocessedTail(packet); } break; case STATUS_AUTHED: // prevent cheating with skip queue wait if (m_inQueue) { LogUnexpectedOpcode(packet, "STATUS_AUTHED", "the player not pass queue yet"); break; } // some auth opcodes can be recieved before STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes // however when we recieve CMSG_CHAR_ENUM we are surely no longer during the logout process. if (packet->GetOpcode() == CMSG_CHAR_ENUM) m_playerRecentlyLogout = false; sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle->Handler)(*packet); LogUnprocessedTail(packet); break; case STATUS_NEVER: TC_LOG_ERROR("network.opcode", "Received not allowed opcode %s from %s", GetOpcodeNameForLogging(packet->GetOpcode(), false).c_str() , GetPlayerInfo().c_str()); break; case STATUS_UNHANDLED: TC_LOG_ERROR("network.opcode", "Received not handled opcode %s from %s", GetOpcodeNameForLogging(packet->GetOpcode(), false).c_str() , GetPlayerInfo().c_str()); break; } } catch (ByteBufferException const&) { TC_LOG_ERROR("network", "WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %s) from client %s, accountid=%i. Skipped packet.", GetOpcodeNameForLogging(packet->GetOpcode(), false).c_str(), GetRemoteAddress().c_str(), GetAccountId()); packet->hexlike(); } if (deletePacket) delete packet; deletePacket = true; #define MAX_PROCESSED_PACKETS_IN_SAME_WORLDSESSION_UPDATE 100 processedPackets++; //process only a max amout of packets in 1 Update() call. //Any leftover will be processed in next update if (processedPackets > MAX_PROCESSED_PACKETS_IN_SAME_WORLDSESSION_UPDATE) break; } if (m_Socket && !m_Socket->IsClosed() && _warden) _warden->Update(); ProcessQueryCallbacks(); //check if we are safe to proceed with logout //logout procedure should happen only in World::UpdateSessions() method!!! if (updater.ProcessLogout()) { time_t currTime = time(NULL); ///- If necessary, log the player out if (ShouldLogOut(currTime) && !m_playerLoading) LogoutPlayer(true); if (m_Socket && GetPlayer() && _warden) _warden->Update(); ///- Cleanup socket pointer if need if (m_Socket && m_Socket->IsClosed()) { m_Socket->RemoveReference(); m_Socket = NULL; } if (!m_Socket) return false; //Will remove this session from the world session map } return true; }
/// Update the WorldSession (triggered by World update) bool WorldSession::Update (uint32 diff, PacketFilter& updater) { /// Update Timeout timer. UpdateTimeOutTime(diff); ///- Before we process anything: /// If necessary, kick the player from the character select screen if (IsConnectionIdle()) m_Socket->CloseSocket(); ///- Retrieve packets from the receive queue and call the appropriate handlers /// not process packets if socket already closed WorldPacket* packet; while (m_Socket && !m_Socket->IsClosed() && _recvQueue.next(packet, updater)) { /*#if 1 sLog->outError("MOEP: %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); #endif*/ sLog->outDebug(LOG_FILTER_NETWORKIO, "SESSION: Received opcode 0x%.4X (%s)", packet->GetOpcode(), packet->GetOpcode() > OPCODE_NOT_FOUND ? "nf" : LookupOpcodeName(packet->GetOpcode())); if (packet->GetOpcode() >= NUM_MSG_TYPES) { sLog->outError("SESSION: received non-existed opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); sScriptMgr->OnUnknownPacketReceive(m_Socket, WorldPacket(*packet)); } else { OpcodeHandler& opHandle = opcodeTable[packet->GetOpcode()]; try { switch (opHandle.status) { case STATUS_LOGGEDIN: if (!_player) { // skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets if (!m_playerRecentlyLogout) LogUnexpectedOpcode(packet, "STATUS_LOGGEDIN", "the player has not logged in yet"); } else if (_player->IsInWorld()) { sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle.handler)(*packet); if (sLog->IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } // lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer break; case STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT: if (!_player && !m_playerRecentlyLogout) { LogUnexpectedOpcode(packet, "STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT", "the player has not logged in yet and not recently logout"); } else { // not expected _player or must checked in packet hanlder sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle.handler)(*packet); if (sLog->IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } break; case STATUS_TRANSFER: if (!_player) LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player has not logged in yet"); else if (_player->IsInWorld()) LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player is still in world"); else { sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle.handler)(*packet); if (sLog->IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); } break; case STATUS_AUTHED: // prevent cheating with skip queue wait if (m_inQueue) { LogUnexpectedOpcode(packet, "STATUS_AUTHED", "the player not pass queue yet"); break; } // single from authed time opcodes send in to after logout time // and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes. if (packet->GetOpcode() != CMSG_SET_ACTIVE_VOICE_CHANNEL) m_playerRecentlyLogout = false; sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet)); (this->*opHandle.handler)(*packet); if (sLog->IsOutDebug() && packet->rpos() < packet->wpos()) LogUnprocessedTail(packet); break; case STATUS_NEVER: if (strcmp(LookupOpcodeName(packet->GetOpcode()), "UNKNOWN") == 0) sLog->outDebug(LOG_FILTER_NETWORKIO, "received not found opcode 0x%.4X", packet->GetOpcode()); else sLog->outError("SESSION (account: %u, guidlow: %u, char: %s): received not allowed opcode %s (0x%.4X)", GetAccountId(), m_GUIDLow, _player ? _player->GetName() : "<none>", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); break; case STATUS_UNHANDLED: sLog->outDebug(LOG_FILTER_NETWORKIO, "SESSION (account: %u, guidlow: %u, char: %s): received not handled opcode %s (0x%.4X)", GetAccountId(), m_GUIDLow, _player ? _player->GetName() : "<none>", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode()); break; } } catch (ByteBufferException &) { sLog->outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.", packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId()); if (sLog->IsOutDebug()) { sLog->outDebug(LOG_FILTER_NETWORKIO, "Dumping error causing packet:"); packet->hexlike(); } } } delete packet; } ProcessQueryCallbacks(); //check if we are safe to proceed with logout //logout procedure should happen only in World::UpdateSessions() method!!! if (updater.ProcessLogout()) { time_t currTime = time(NULL); ///- If necessary, log the player out if (ShouldLogOut(currTime) && !m_playerLoading) LogoutPlayer(true); ///- Cleanup socket pointer if need if (m_Socket && m_Socket->IsClosed()) { m_Socket->RemoveReference(); m_Socket = NULL; } if (!m_Socket) return false; //Will remove this session from the world session map } return true; }
bool WorldSocket::ProcessIncomingData() { ClientPktHeader header; if (m_useExistingHeader) { m_useExistingHeader = false; header = m_existingHeader; ReadSkip(sizeof(ClientPktHeader)); } else { if (!Read((char *)&header, sizeof(ClientPktHeader))) { errno = EBADMSG; return false; } m_crypt.DecryptRecv((uint8 *)&header, sizeof(ClientPktHeader)); EndianConvertReverse(header.size); EndianConvert(header.cmd); } // there must always be at least four bytes for the opcode, // and 0x2800 is the largest supported buffer in the client if ((header.size < 4) || (header.size > 0x2800) || (header.cmd >= NUM_MSG_TYPES)) { sLog.outError("WorldSocket::ProcessIncomingData: client sent malformed packet size = %u , cmd = %u", header.size, header.cmd); errno = EINVAL; return false; } // the minus four is because we've already read the four byte opcode value const uint16 validBytesRemaining = header.size - 4; // check if the client has told us that there is more data than there is if (validBytesRemaining > ReadLengthRemaining()) { // we must preserve the decrypted header so as not to corrupt the crypto state, and to prevent duplicating work m_useExistingHeader = true; m_existingHeader = header; // we move the read pointer backward because it will be skipped again later. this is a slight kludge, but to solve // it more elegantly would require introducing protocol awareness into the socket library, which we want to avoid ReadSkip(-static_cast<int>(sizeof(ClientPktHeader))); errno = EBADMSG; return false; } const Opcodes opcode = static_cast<Opcodes>(header.cmd); if (IsClosed()) return false; // Dump received packet. //sLog.outWorldPacketDump(uint32(get_handle()), new_pct->GetOpcode(), new_pct->GetOpcodeName(), new_pct, true); WorldPacket *pct = new WorldPacket(opcode, validBytesRemaining); if (validBytesRemaining) { pct->append(InPeak(), validBytesRemaining); ReadSkip(validBytesRemaining); } try { switch (opcode) { case CMSG_AUTH_SESSION: if (m_session) { sLog.outError("WorldSocket::ProcessIncomingData: Player send CMSG_AUTH_SESSION again"); return false; } return HandleAuthSession(*pct); case CMSG_PING: return HandlePing(*pct); case CMSG_KEEP_ALIVE: DEBUG_LOG("CMSG_KEEP_ALIVE ,size: " SIZEFMTD " ", pct->size()); return true; default: { if (!m_session) { sLog.outError("WorldSocket::ProcessIncomingData: Client not authed opcode = %u", uint32(opcode)); return false; } m_session->QueuePacket(pct); return true; } } } catch (ByteBufferException&) { sLog.outError("WorldSocket::ProcessIncomingData ByteBufferException occured while parsing an instant handled packet (opcode: %u) from client %s, accountid=%i.", opcode, GetRemoteAddress().c_str(), m_session ? m_session->GetAccountId() : -1); if (sLog.HasLogLevelOrHigher(LOG_LVL_DEBUG)) { DEBUG_LOG("Dumping error-causing packet:"); pct->hexlike(); } if (sWorld.getConfig(CONFIG_BOOL_KICK_PLAYER_ON_BAD_PACKET)) { DETAIL_LOG("Disconnecting session [account id %i / address %s] for badly formatted packet.", m_session ? m_session->GetAccountId() : -1, GetRemoteAddress().c_str()); return false; } } return true; }