void WorldSession::HandleForceSpeedChangeAckOpcodes(WorldPacket& recv_data) { Opcodes opcode = recv_data.GetOpcode(); DEBUG_LOG("WORLD: Received %s (%u, 0x%X) opcode", recv_data.GetOpcodeName(), opcode, opcode); /* extract packet */ ObjectGuid guid; MovementInfo movementInfo; float newspeed; recv_data >> guid; recv_data >> Unused<uint32>(); // counter or moveEvent recv_data >> movementInfo; recv_data >> newspeed; // now can skip not our packet if (_player->GetObjectGuid() != guid) return; /*----------------*/ // client ACK send one packet for mounted/run case and need skip all except last from its // in other cases anti-cheat check can be fail in false case UnitMoveType move_type; UnitMoveType force_move_type; static char const* move_type_name[MAX_MOVE_TYPE] = { "Walk", "Run", "RunBack", "Swim", "SwimBack", "TurnRate", "Flight", "FlightBack" }; switch (opcode) { case CMSG_FORCE_WALK_SPEED_CHANGE_ACK: move_type = MOVE_WALK; force_move_type = MOVE_WALK; break; case CMSG_FORCE_RUN_SPEED_CHANGE_ACK: move_type = MOVE_RUN; force_move_type = MOVE_RUN; break; case CMSG_FORCE_RUN_BACK_SPEED_CHANGE_ACK: move_type = MOVE_RUN_BACK; force_move_type = MOVE_RUN_BACK; break; case CMSG_FORCE_SWIM_SPEED_CHANGE_ACK: move_type = MOVE_SWIM; force_move_type = MOVE_SWIM; break; case CMSG_FORCE_SWIM_BACK_SPEED_CHANGE_ACK: move_type = MOVE_SWIM_BACK; force_move_type = MOVE_SWIM_BACK; break; case CMSG_FORCE_TURN_RATE_CHANGE_ACK: move_type = MOVE_TURN_RATE; force_move_type = MOVE_TURN_RATE; break; case CMSG_FORCE_FLIGHT_SPEED_CHANGE_ACK: move_type = MOVE_FLIGHT; force_move_type = MOVE_FLIGHT; break; case CMSG_FORCE_FLIGHT_BACK_SPEED_CHANGE_ACK: move_type = MOVE_FLIGHT_BACK; force_move_type = MOVE_FLIGHT_BACK; break; default: sLog.outError("WorldSession::HandleForceSpeedChangeAck: Unknown move type opcode: %u", opcode); return; } // skip all forced speed changes except last and unexpected // in run/mounted case used one ACK and it must be skipped.m_forced_speed_changes[MOVE_RUN} store both. if (_player->m_forced_speed_changes[force_move_type] > 0) { --_player->m_forced_speed_changes[force_move_type]; if (_player->m_forced_speed_changes[force_move_type] > 0) return; } if (!_player->GetTransport() && fabs(_player->GetSpeed(move_type) - newspeed) > 0.01f) { if (_player->GetSpeed(move_type) > newspeed) // must be greater - just correct { sLog.outError("%sSpeedChange player %s is NOT correct (must be %f instead %f), force set to correct value", move_type_name[move_type], _player->GetName(), _player->GetSpeed(move_type), newspeed); _player->SetSpeedRate(move_type, _player->GetSpeedRate(move_type), true); } else // must be lesser - cheating { BASIC_LOG("Player %s from account id %u kicked for incorrect speed (must be %f instead %f)", _player->GetName(), _player->GetSession()->GetAccountId(), _player->GetSpeed(move_type), newspeed); _player->GetSession()->KickPlayer(); } } }
void WorldSession::Handle_ServerSide( WorldPacket& recvPacket ) { sLog.outError("SESSION: received server-side opcode %s (0x%.4X)", LookupOpcodeName(recvPacket.GetOpcode()), recvPacket.GetOpcode()); }
void WorldSession::Handle_Deprecated( WorldPacket& recvPacket ) { sLog.outError( "SESSION: received deprecated opcode %s (0x%.4X)", LookupOpcodeName(recvPacket.GetOpcode()), recvPacket.GetOpcode()); }
void WorldSession::Handle_NULL( WorldPacket& recvPacket ) { DEBUG_LOG("SESSION: received unimplemented opcode %s (0x%.4X)", LookupOpcodeName(recvPacket.GetOpcode()), recvPacket.GetOpcode()); }
void WorldSession::Handle_EarlyProccess( WorldPacket& recvPacket ) { sLog.outError( "SESSION: received opcode %s (0x%.4X) that must be processed in WorldSocket::OnRead", LookupOpcodeName(recvPacket.GetOpcode()), recvPacket.GetOpcode()); }
/// 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 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)) { 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; } //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::SizeError(WorldPacket const& packet, uint32 size) const { sLog.outError("Client (account %u) send packet %s (%u) with size " SIZEFMTD " but expected %u (attempt crash server?), skipped", GetAccountId(),LookupOpcodeName(packet.GetOpcode()),packet.GetOpcode(),packet.size(),size); }
void WorldSession::HandleForceSpeedChangeAck(WorldPacket &recv_data) { uint32 opcode = recv_data.GetOpcode(); sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode); /* extract packet */ uint64 guid; uint32 unk1; float newspeed; recv_data.readPackGUID(guid); // now can skip not our packet if (_player->GetGUID() != guid) { recv_data.rfinish(); // prevent warnings spam return; } // continue parse packet recv_data >> unk1; // counter or moveEvent MovementInfo movementInfo; movementInfo.guid = guid; ReadMovementInfo(recv_data, &movementInfo); recv_data >> newspeed; /*----------------*/ // client ACK send one packet for mounted/run case and need skip all except last from its // in other cases anti-cheat check can be fail in false case UnitMoveType move_type; UnitMoveType force_move_type; static char const* move_type_name[MAX_MOVE_TYPE] = { "Walk", "Run", "RunBack", "Swim", "SwimBack", "TurnRate", "Flight", "FlightBack", "PitchRate" }; switch (opcode) { case CMSG_FORCE_WALK_SPEED_CHANGE_ACK: move_type = MOVE_WALK; force_move_type = MOVE_WALK; break; case CMSG_FORCE_RUN_SPEED_CHANGE_ACK: move_type = MOVE_RUN; force_move_type = MOVE_RUN; break; case CMSG_FORCE_RUN_BACK_SPEED_CHANGE_ACK: move_type = MOVE_RUN_BACK; force_move_type = MOVE_RUN_BACK; break; case CMSG_FORCE_SWIM_SPEED_CHANGE_ACK: move_type = MOVE_SWIM; force_move_type = MOVE_SWIM; break; case CMSG_FORCE_SWIM_BACK_SPEED_CHANGE_ACK: move_type = MOVE_SWIM_BACK; force_move_type = MOVE_SWIM_BACK; break; case CMSG_FORCE_TURN_RATE_CHANGE_ACK: move_type = MOVE_TURN_RATE; force_move_type = MOVE_TURN_RATE; break; case CMSG_FORCE_FLIGHT_SPEED_CHANGE_ACK: move_type = MOVE_FLIGHT; force_move_type = MOVE_FLIGHT; break; case CMSG_FORCE_FLIGHT_BACK_SPEED_CHANGE_ACK: move_type = MOVE_FLIGHT_BACK; force_move_type = MOVE_FLIGHT_BACK; break; case CMSG_FORCE_PITCH_RATE_CHANGE_ACK: move_type = MOVE_PITCH_RATE; force_move_type = MOVE_PITCH_RATE; break; default: sLog->outError("WorldSession::HandleForceSpeedChangeAck: Unknown move type opcode: %u", opcode); return; } // skip all forced speed changes except last and unexpected // in run/mounted case used one ACK and it must be skipped.m_forced_speed_changes[MOVE_RUN} store both. if (_player->m_forced_speed_changes[force_move_type] > 0) { --_player->m_forced_speed_changes[force_move_type]; if (_player->m_forced_speed_changes[force_move_type] > 0) return; } if (!_player->GetTransport() && fabs(_player->GetSpeed(move_type) - newspeed) > 0.01f && _player->GetSession()->GetSecurity() == SEC_PLAYER) { if (_player->GetSpeed(move_type) > newspeed) // must be greater - just correct { sLog->outError("%sSpeedChange player %s is NOT correct (must be %f instead %f), force set to correct value", move_type_name[move_type], _player->GetName(), _player->GetSpeed(move_type), newspeed); _player->SetSpeed(move_type, _player->GetSpeedRate(move_type), true); } else // must be lesser - cheating { sLog->outBasic("Player %s from account id %u kicked for incorrect speed (must be %f instead %f)", _player->GetName(), _player->GetSession()->GetAccountId(), _player->GetSpeed(move_type), newspeed); _player->GetSession()->KickPlayer(); } } }
void WorldSession::HandleMovementOpcodes(WorldPacket & recv_data) { uint32 opcode = recv_data.GetOpcode(); Unit* mover = _player->m_mover; 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 */ uint64 guid; recv_data.readPackGUID(guid); MovementInfo movementInfo; movementInfo.guid = guid; ReadMovementInfo(recv_data, &movementInfo); recv_data.rfinish(); // prevent warnings spam // prevent tampered movement data if (guid != mover->GetGUID()) return; if (!movementInfo.pos.IsPositionValid()) { recv_data.rfinish(); // prevent warnings spam return; } /* handle special cases */ if (movementInfo.flags & 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_pos.GetPositionX() > 50 || movementInfo.t_pos.GetPositionY() > 50 || movementInfo.t_pos.GetPositionZ() > 50) { recv_data.rfinish(); // prevent warnings spam return; } if (!Trinity::IsValidMapCoord(movementInfo.pos.GetPositionX() + movementInfo.t_pos.GetPositionX(), movementInfo.pos.GetPositionY() + movementInfo.t_pos.GetPositionY(), movementInfo.pos.GetPositionZ() + movementInfo.t_pos.GetPositionZ(), movementInfo.pos.GetOrientation() + movementInfo.t_pos.GetOrientation())) { 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)->GetGUID() == 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.flags &= ~MOVEMENTFLAG_ONTRANSPORT; } } else if (plMover && plMover->GetTransport()) // if we were on a transport, leave { plMover->m_transport->RemovePassenger(plMover); plMover->m_transport = NULL; movementInfo.t_pos.Relocate(0.0f, 0.0f, 0.0f, 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.flags & MOVEMENTFLAG_SWIMMING) != 0) != plMover->IsInWater()) { // now client not include swimming flag in case jumping under water plMover->SetInWater(!plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY(), movementInfo.pos.GetPositionZ())); } /*----------------------*/ /* process position-change */ WorldPacket data(opcode, recv_data.size()); movementInfo.time = getMSTime(); movementInfo.guid = mover->GetGUID(); 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.GetOrientation()); return; } mover->UpdatePosition(movementInfo.pos); if (plMover) // nothing is charmed, or player charmed { if (plMover->GetEmoteState() != 0 && opcode == MSG_MOVE_START_FORWARD && opcode != MSG_MOVE_SET_FACING && opcode != MSG_MOVE_START_TURN_LEFT && opcode != MSG_MOVE_START_TURN_RIGHT && opcode != MSG_MOVE_STOP_TURN) plMover->SetEmoteState(0); plMover->UpdateFallInformationIfNeed(movementInfo, opcode); float underMapValue = -500.0f; switch (plMover->GetMapId()) { case 617: underMapValue = 3.0f; break; // Dalaran Sewers case 618: underMapValue = 25.0f; break; // Ring of Valor case 572: underMapValue = 30.0f; break; // Ruins of Lordearon case 562: underMapValue = 0.0f; break; // Blade's Edge Arena case 559: underMapValue = 9.0f; break; // Nagrand Arena } if (movementInfo.pos.GetPositionZ() < underMapValue) { 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()); // player can be alive if GM/etc // change the death state to CORPSE to prevent the death timer from // starting in the next player update if (!plMover->isAlive()) plMover->KillPlayer(); } } } } }
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) && !mover->GetVehicle()) { // 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) { // 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->isInFlight()) 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) ); } /*----------------------*/ /* 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(); } } } 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()); } } }