mirror of
https://github.com/mangosfour/server.git
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a24f39a36f
CHECK_PACKET_SIZE was pretty error prone; once it was forgotten mangosd could crash due to the asserts in ByteBuffer.h. That was exploitable by malicious players. Furthermore, there were duplicate checks: Additionally to CHECK_PACKET_SIZE, the ByteBuffer assertions keept an eye on not exceeding the packet boundaries - just to crash the server for sure in such a case. To prevent memory leaks or other undesirable states, please read in every handler all variables _before_ doing any concrete handling.
623 lines
21 KiB
C++
623 lines
21 KiB
C++
/*
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* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "Common.h"
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#include "Log.h"
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#include "WorldPacket.h"
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#include "WorldSession.h"
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#include "Opcodes.h"
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#include "World.h"
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#include "ObjectMgr.h"
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#include "Player.h"
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#include "GossipDef.h"
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#include "QuestDef.h"
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#include "ObjectAccessor.h"
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#include "ScriptCalls.h"
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#include "Group.h"
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void WorldSession::HandleQuestgiverStatusQueryOpcode( WorldPacket & recv_data )
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{
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uint64 guid;
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recv_data >> guid;
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uint8 questStatus = DIALOG_STATUS_NONE;
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uint8 defstatus = DIALOG_STATUS_NONE;
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Object* questgiver = ObjectAccessor::GetObjectByTypeMask(*_player, guid,TYPEMASK_UNIT|TYPEMASK_GAMEOBJECT);
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if(!questgiver)
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{
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sLog.outDetail("Error in CMSG_QUESTGIVER_STATUS_QUERY, called for not found questgiver (Typeid: %u GUID: %u)",GuidHigh2TypeId(GUID_HIPART(guid)),GUID_LOPART(guid));
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return;
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}
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switch(questgiver->GetTypeId())
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{
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case TYPEID_UNIT:
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{
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sLog.outDebug( "WORLD: Received CMSG_QUESTGIVER_STATUS_QUERY for npc, guid = %u",uint32(GUID_LOPART(guid)) );
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Creature* cr_questgiver=(Creature*)questgiver;
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if( !cr_questgiver->IsHostileTo(_player)) // not show quest status to enemies
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{
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questStatus = Script->NPCDialogStatus(_player, cr_questgiver);
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if( questStatus > 6 )
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questStatus = getDialogStatus(_player, cr_questgiver, defstatus);
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}
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break;
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}
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case TYPEID_GAMEOBJECT:
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{
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sLog.outDebug( "WORLD: Received CMSG_QUESTGIVER_STATUS_QUERY for GameObject guid = %u",uint32(GUID_LOPART(guid)) );
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GameObject* go_questgiver=(GameObject*)questgiver;
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questStatus = Script->GODialogStatus(_player, go_questgiver);
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if( questStatus > 6 )
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questStatus = getDialogStatus(_player, go_questgiver, defstatus);
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break;
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}
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default:
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sLog.outError("QuestGiver called for unexpected type %u", questgiver->GetTypeId());
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break;
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}
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//inform client about status of quest
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_player->PlayerTalkClass->SendQuestGiverStatus(questStatus, guid);
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}
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void WorldSession::HandleQuestgiverHelloOpcode( WorldPacket & recv_data )
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{
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uint64 guid;
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recv_data >> guid;
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sLog.outDebug ("WORLD: Received CMSG_QUESTGIVER_HELLO npc = %u", GUID_LOPART(guid));
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Creature *pCreature = GetPlayer()->GetNPCIfCanInteractWith(guid,UNIT_NPC_FLAG_NONE);
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if (!pCreature)
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{
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sLog.outDebug ("WORLD: HandleQuestgiverHelloOpcode - Unit (GUID: %u) not found or you can't interact with him.",
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GUID_LOPART(guid));
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return;
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}
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// remove fake death
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if(GetPlayer()->hasUnitState(UNIT_STAT_DIED))
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GetPlayer()->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
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// Stop the npc if moving
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pCreature->StopMoving();
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if(Script->GossipHello( _player, pCreature ) )
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return;
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pCreature->prepareGossipMenu(_player);
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pCreature->sendPreparedGossip(_player);
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}
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void WorldSession::HandleQuestgiverAcceptQuestOpcode( WorldPacket & recv_data )
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{
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uint64 guid;
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uint32 quest;
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uint32 unk1;
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recv_data >> guid >> quest >> unk1;
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if(!GetPlayer()->isAlive())
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return;
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sLog.outDebug( "WORLD: Received CMSG_QUESTGIVER_ACCEPT_QUEST npc = %u, quest = %u, unk1 = %u", uint32(GUID_LOPART(guid)), quest, unk1 );
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Object* pObject = ObjectAccessor::GetObjectByTypeMask(*_player, guid,TYPEMASK_UNIT|TYPEMASK_GAMEOBJECT|TYPEMASK_ITEM|TYPEMASK_PLAYER);
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// no or incorrect quest giver
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if(!pObject
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|| (pObject->GetTypeId()!=TYPEID_PLAYER && !pObject->hasQuest(quest))
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|| (pObject->GetTypeId()==TYPEID_PLAYER && !((Player*)pObject)->CanShareQuest(quest))
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)
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{
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_player->PlayerTalkClass->CloseGossip();
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_player->SetDivider( 0 );
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return;
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}
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Quest const* qInfo = objmgr.GetQuestTemplate(quest);
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if ( qInfo )
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{
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// prevent cheating
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if(!GetPlayer()->CanTakeQuest(qInfo,true) )
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{
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_player->PlayerTalkClass->CloseGossip();
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_player->SetDivider( 0 );
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return;
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}
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if( _player->GetDivider() != 0 )
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{
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Player *pPlayer = ObjectAccessor::FindPlayer( _player->GetDivider() );
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if( pPlayer )
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{
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pPlayer->SendPushToPartyResponse( _player, QUEST_PARTY_MSG_ACCEPT_QUEST );
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_player->SetDivider( 0 );
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}
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}
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if( _player->CanAddQuest( qInfo, true ) )
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{
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_player->AddQuest( qInfo, pObject );
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if ( _player->CanCompleteQuest( quest ) )
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_player->CompleteQuest( quest );
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switch(pObject->GetTypeId())
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{
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case TYPEID_UNIT:
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Script->QuestAccept(_player, ((Creature*)pObject), qInfo );
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break;
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case TYPEID_ITEM:
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case TYPEID_CONTAINER:
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{
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Script->ItemQuestAccept(_player, ((Item*)pObject), qInfo );
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// destroy not required for quest finish quest starting item
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bool destroyItem = true;
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for(int i = 0; i < QUEST_OBJECTIVES_COUNT; ++i)
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{
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if ((qInfo->ReqItemId[i] == ((Item*)pObject)->GetEntry()) && (((Item*)pObject)->GetProto()->MaxCount > 0))
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{
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destroyItem = false;
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break;
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}
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}
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if(destroyItem)
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_player->DestroyItem(((Item*)pObject)->GetBagSlot(),((Item*)pObject)->GetSlot(),true);
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break;
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}
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case TYPEID_GAMEOBJECT:
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Script->GOQuestAccept(_player, ((GameObject*)pObject), qInfo );
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break;
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}
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_player->PlayerTalkClass->CloseGossip();
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if( qInfo->GetSrcSpell() > 0 )
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_player->CastSpell( _player, qInfo->GetSrcSpell(), true);
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return;
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}
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}
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_player->PlayerTalkClass->CloseGossip();
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}
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void WorldSession::HandleQuestgiverQueryQuestOpcode( WorldPacket & recv_data )
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{
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uint64 guid;
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uint32 quest;
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uint8 unk1;
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recv_data >> guid >> quest >> unk1;
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sLog.outDebug( "WORLD: Received CMSG_QUESTGIVER_QUERY_QUEST npc = %u, quest = %u, unk1 = %u", uint32(GUID_LOPART(guid)), quest, unk1 );
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// Verify that the guid is valid and is a questgiver or involved in the requested quest
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Object* pObject = ObjectAccessor::GetObjectByTypeMask(*_player, guid,TYPEMASK_UNIT|TYPEMASK_GAMEOBJECT|TYPEMASK_ITEM);
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if(!pObject||!pObject->hasQuest(quest) && !pObject->hasInvolvedQuest(quest))
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{
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_player->PlayerTalkClass->CloseGossip();
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return;
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}
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Quest const* pQuest = objmgr.GetQuestTemplate(quest);
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if ( pQuest )
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{
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_player->PlayerTalkClass->SendQuestGiverQuestDetails(pQuest, pObject->GetGUID(), true);
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}
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}
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void WorldSession::HandleQuestQueryOpcode( WorldPacket & recv_data )
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{
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uint32 quest;
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recv_data >> quest;
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sLog.outDebug( "WORLD: Received CMSG_QUEST_QUERY quest = %u",quest );
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Quest const *pQuest = objmgr.GetQuestTemplate(quest);
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if ( pQuest )
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{
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_player->PlayerTalkClass->SendQuestQueryResponse( pQuest );
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}
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}
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void WorldSession::HandleQuestgiverChooseRewardOpcode( WorldPacket & recv_data )
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{
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uint32 quest, reward;
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uint64 guid;
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recv_data >> guid >> quest >> reward;
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if(reward >= QUEST_REWARD_CHOICES_COUNT)
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{
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sLog.outError("Error in CMSG_QUESTGIVER_CHOOSE_REWARD: player %s (guid %d) tried to get invalid reward (%u) (probably packet hacking)", _player->GetName(), _player->GetGUIDLow(), reward);
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return;
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}
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if(!GetPlayer()->isAlive())
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return;
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sLog.outDebug( "WORLD: Received CMSG_QUESTGIVER_CHOOSE_REWARD npc = %u, quest = %u, reward = %u",uint32(GUID_LOPART(guid)),quest,reward );
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Object* pObject = ObjectAccessor::GetObjectByTypeMask(*_player, guid,TYPEMASK_UNIT|TYPEMASK_GAMEOBJECT);
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if(!pObject)
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return;
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if(!pObject->hasInvolvedQuest(quest))
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return;
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Quest const *pQuest = objmgr.GetQuestTemplate(quest);
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if( pQuest )
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{
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if( _player->CanRewardQuest( pQuest, reward, true ) )
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{
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_player->RewardQuest( pQuest, reward, pObject );
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switch(pObject->GetTypeId())
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{
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case TYPEID_UNIT:
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if( !(Script->ChooseReward( _player, ((Creature*)pObject), pQuest, reward )) )
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{
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// Send next quest
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if(Quest const* nextquest = _player->GetNextQuest( guid ,pQuest ) )
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_player->PlayerTalkClass->SendQuestGiverQuestDetails(nextquest,guid,true);
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}
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break;
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case TYPEID_GAMEOBJECT:
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if( !Script->GOChooseReward( _player, ((GameObject*)pObject), pQuest, reward ) )
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{
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// Send next quest
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if(Quest const* nextquest = _player->GetNextQuest( guid ,pQuest ) )
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_player->PlayerTalkClass->SendQuestGiverQuestDetails(nextquest,guid,true);
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}
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break;
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}
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}
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else
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_player->PlayerTalkClass->SendQuestGiverOfferReward( pQuest, guid, true );
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}
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}
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void WorldSession::HandleQuestgiverRequestRewardOpcode( WorldPacket & recv_data )
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{
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uint32 quest;
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uint64 guid;
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recv_data >> guid >> quest;
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if(!GetPlayer()->isAlive())
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return;
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sLog.outDebug( "WORLD: Received CMSG_QUESTGIVER_REQUEST_REWARD npc = %u, quest = %u",uint32(GUID_LOPART(guid)),quest );
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Object* pObject = ObjectAccessor::GetObjectByTypeMask(*_player, guid,TYPEMASK_UNIT|TYPEMASK_GAMEOBJECT);
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if(!pObject||!pObject->hasInvolvedQuest(quest))
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return;
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if ( _player->CanCompleteQuest( quest ) )
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_player->CompleteQuest( quest );
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if( _player->GetQuestStatus( quest ) != QUEST_STATUS_COMPLETE )
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return;
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if(Quest const *pQuest = objmgr.GetQuestTemplate(quest))
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_player->PlayerTalkClass->SendQuestGiverOfferReward( pQuest, guid, true );
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}
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void WorldSession::HandleQuestgiverCancel(WorldPacket& /*recv_data*/ )
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{
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sLog.outDebug( "WORLD: Received CMSG_QUESTGIVER_CANCEL" );
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_player->PlayerTalkClass->CloseGossip();
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}
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void WorldSession::HandleQuestLogSwapQuest(WorldPacket& recv_data )
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{
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uint8 slot1, slot2;
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recv_data >> slot1 >> slot2;
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if(slot1 == slot2 || slot1 >= MAX_QUEST_LOG_SIZE || slot2 >= MAX_QUEST_LOG_SIZE)
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return;
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sLog.outDebug( "WORLD: Received CMSG_QUESTLOG_SWAP_QUEST slot 1 = %u, slot 2 = %u", slot1, slot2 );
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GetPlayer()->SwapQuestSlot(slot1,slot2);
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}
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void WorldSession::HandleQuestLogRemoveQuest(WorldPacket& recv_data)
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{
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uint8 slot;
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recv_data >> slot;
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sLog.outDebug( "WORLD: Received CMSG_QUESTLOG_REMOVE_QUEST slot = %u",slot );
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if( slot < MAX_QUEST_LOG_SIZE )
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{
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if(uint32 quest = _player->GetQuestSlotQuestId(slot))
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{
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if(!_player->TakeQuestSourceItem( quest, true ))
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return; // can't un-equip some items, reject quest cancel
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_player->SetQuestStatus( quest, QUEST_STATUS_NONE);
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}
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_player->SetQuestSlot(slot, 0);
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_player->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_QUEST_ABANDONED, 1);
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}
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}
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void WorldSession::HandleQuestConfirmAccept(WorldPacket& recv_data)
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{
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uint32 quest;
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recv_data >> quest;
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sLog.outDebug( "WORLD: Received CMSG_QUEST_CONFIRM_ACCEPT quest = %u",quest );
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}
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void WorldSession::HandleQuestgiverCompleteQuest(WorldPacket& recv_data)
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{
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uint32 quest;
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uint64 guid;
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recv_data >> guid >> quest;
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if(!GetPlayer()->isAlive())
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return;
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sLog.outDebug( "WORLD: Received CMSG_QUESTGIVER_COMPLETE_QUEST npc = %u, quest = %u",uint32(GUID_LOPART(guid)),quest );
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Quest const *pQuest = objmgr.GetQuestTemplate(quest);
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if( pQuest )
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{
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if( _player->GetQuestStatus( quest ) != QUEST_STATUS_COMPLETE )
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{
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if( pQuest->IsRepeatable() )
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_player->PlayerTalkClass->SendQuestGiverRequestItems(pQuest, guid, _player->CanCompleteRepeatableQuest(pQuest), false);
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else
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_player->PlayerTalkClass->SendQuestGiverRequestItems(pQuest, guid, _player->CanRewardQuest(pQuest,false), false);
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}
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else
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{
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if(pQuest->GetReqItemsCount()) // some items required
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_player->PlayerTalkClass->SendQuestGiverRequestItems(pQuest, guid, _player->CanRewardQuest(pQuest,false), false);
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else // no items required
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_player->PlayerTalkClass->SendQuestGiverOfferReward(pQuest, guid, true);
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}
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}
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}
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void WorldSession::HandleQuestgiverQuestAutoLaunch(WorldPacket& /*recvPacket*/)
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{
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sLog.outDebug( "WORLD: Received CMSG_QUESTGIVER_QUEST_AUTOLAUNCH" );
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}
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void WorldSession::HandlePushQuestToParty(WorldPacket& recvPacket)
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{
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uint32 questId;
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recvPacket >> questId;
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sLog.outDebug("WORLD: Received CMSG_PUSHQUESTTOPARTY quest = %u", questId);
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if (Quest const *pQuest = objmgr.GetQuestTemplate(questId))
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{
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if (Group* pGroup = _player->GetGroup())
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{
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for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
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{
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Player *pPlayer = itr->getSource();
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if (!pPlayer || pPlayer == _player) // skip self
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continue;
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_player->SendPushToPartyResponse(pPlayer, QUEST_PARTY_MSG_SHARING_QUEST);
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if (!pPlayer->SatisfyQuestStatus(pQuest, false))
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{
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_player->SendPushToPartyResponse(pPlayer, QUEST_PARTY_MSG_HAVE_QUEST);
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continue;
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}
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if (pPlayer->GetQuestStatus(questId) == QUEST_STATUS_COMPLETE)
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{
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_player->SendPushToPartyResponse(pPlayer, QUEST_PARTY_MSG_FINISH_QUEST);
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continue;
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}
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if (!pPlayer->CanTakeQuest(pQuest, false))
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{
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_player->SendPushToPartyResponse(pPlayer, QUEST_PARTY_MSG_CANT_TAKE_QUEST);
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continue;
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}
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if (!pPlayer->SatisfyQuestLog(false))
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{
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_player->SendPushToPartyResponse(pPlayer, QUEST_PARTY_MSG_LOG_FULL);
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continue;
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}
|
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|
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if (pPlayer->GetDivider() != 0)
|
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{
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_player->SendPushToPartyResponse(pPlayer, QUEST_PARTY_MSG_BUSY);
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continue;
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}
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|
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pPlayer->PlayerTalkClass->SendQuestGiverQuestDetails(pQuest, _player->GetGUID(), true);
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pPlayer->SetDivider(_player->GetGUID());
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}
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}
|
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}
|
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}
|
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|
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void WorldSession::HandleQuestPushResult(WorldPacket& recvPacket)
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{
|
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uint64 guid;
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uint8 msg;
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recvPacket >> guid >> msg;
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|
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sLog.outDebug( "WORLD: Received MSG_QUEST_PUSH_RESULT" );
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|
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if( _player->GetDivider() != 0 )
|
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{
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Player *pPlayer = ObjectAccessor::FindPlayer( _player->GetDivider() );
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if( pPlayer )
|
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{
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WorldPacket data( MSG_QUEST_PUSH_RESULT, (8+1) );
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data << uint64(guid);
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data << uint8(msg); // valid values: 0-8
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pPlayer->GetSession()->SendPacket(&data);
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_player->SetDivider( 0 );
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}
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}
|
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}
|
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|
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uint32 WorldSession::getDialogStatus(Player *pPlayer, Object* questgiver, uint32 defstatus)
|
|
{
|
|
uint32 result = defstatus;
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|
|
QuestRelations const* qir;
|
|
QuestRelations const* qr;
|
|
|
|
switch(questgiver->GetTypeId())
|
|
{
|
|
case TYPEID_GAMEOBJECT:
|
|
{
|
|
qir = &objmgr.mGOQuestInvolvedRelations;
|
|
qr = &objmgr.mGOQuestRelations;
|
|
break;
|
|
}
|
|
case TYPEID_UNIT:
|
|
{
|
|
qir = &objmgr.mCreatureQuestInvolvedRelations;
|
|
qr = &objmgr.mCreatureQuestRelations;
|
|
break;
|
|
}
|
|
default:
|
|
//its imposible, but check ^)
|
|
sLog.outError("Warning: GetDialogStatus called for unexpected type %u", questgiver->GetTypeId());
|
|
return DIALOG_STATUS_NONE;
|
|
}
|
|
|
|
for(QuestRelations::const_iterator i = qir->lower_bound(questgiver->GetEntry()); i != qir->upper_bound(questgiver->GetEntry()); ++i )
|
|
{
|
|
uint32 result2 = 0;
|
|
uint32 quest_id = i->second;
|
|
Quest const *pQuest = objmgr.GetQuestTemplate(quest_id);
|
|
if ( !pQuest ) continue;
|
|
|
|
QuestStatus status = pPlayer->GetQuestStatus( quest_id );
|
|
if( (status == QUEST_STATUS_COMPLETE && !pPlayer->GetQuestRewardStatus(quest_id)) ||
|
|
(pQuest->IsAutoComplete() && pPlayer->CanTakeQuest(pQuest, false)) )
|
|
{
|
|
if ( pQuest->IsAutoComplete() && pQuest->IsRepeatable() )
|
|
result2 = DIALOG_STATUS_REWARD_REP;
|
|
else
|
|
result2 = DIALOG_STATUS_REWARD;
|
|
}
|
|
else if ( status == QUEST_STATUS_INCOMPLETE )
|
|
result2 = DIALOG_STATUS_INCOMPLETE;
|
|
|
|
if (result2 > result)
|
|
result = result2;
|
|
}
|
|
|
|
for(QuestRelations::const_iterator i = qr->lower_bound(questgiver->GetEntry()); i != qr->upper_bound(questgiver->GetEntry()); ++i )
|
|
{
|
|
uint32 result2 = 0;
|
|
uint32 quest_id = i->second;
|
|
Quest const *pQuest = objmgr.GetQuestTemplate(quest_id);
|
|
if ( !pQuest )
|
|
continue;
|
|
|
|
QuestStatus status = pPlayer->GetQuestStatus( quest_id );
|
|
if ( status == QUEST_STATUS_NONE )
|
|
{
|
|
if ( pPlayer->CanSeeStartQuest( pQuest ) )
|
|
{
|
|
if ( pPlayer->SatisfyQuestLevel(pQuest, false) )
|
|
{
|
|
if ( pQuest->IsAutoComplete() || (pQuest->IsRepeatable() && pPlayer->getQuestStatusMap()[quest_id].m_rewarded))
|
|
result2 = DIALOG_STATUS_REWARD_REP;
|
|
else if (pPlayer->getLevel() <= pPlayer->GetQuestLevel(pQuest) + sWorld.getConfig(CONFIG_QUEST_LOW_LEVEL_HIDE_DIFF) )
|
|
{
|
|
if (pQuest->HasFlag(QUEST_FLAGS_DAILY))
|
|
result2 = DIALOG_STATUS_AVAILABLE_REP;
|
|
else
|
|
result2 = DIALOG_STATUS_AVAILABLE;
|
|
}
|
|
else
|
|
result2 = DIALOG_STATUS_CHAT;
|
|
}
|
|
else
|
|
result2 = DIALOG_STATUS_UNAVAILABLE;
|
|
}
|
|
}
|
|
|
|
if (result2 > result)
|
|
result = result2;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
void WorldSession::HandleQuestgiverStatusMultipleQuery(WorldPacket& /*recvPacket*/)
|
|
{
|
|
sLog.outDebug("WORLD: Received CMSG_QUESTGIVER_STATUS_MULTIPLE_QUERY");
|
|
|
|
uint32 count = 0;
|
|
|
|
WorldPacket data(SMSG_QUESTGIVER_STATUS_MULTIPLE, 4);
|
|
data << uint32(count); // placeholder
|
|
|
|
for(Player::ClientGUIDs::const_iterator itr = _player->m_clientGUIDs.begin(); itr != _player->m_clientGUIDs.end(); ++itr)
|
|
{
|
|
uint8 questStatus = DIALOG_STATUS_NONE;
|
|
uint8 defstatus = DIALOG_STATUS_NONE;
|
|
|
|
if (IS_CREATURE_OR_PET_GUID(*itr))
|
|
{
|
|
// need also pet quests case support
|
|
Creature *questgiver = ObjectAccessor::GetCreatureOrPetOrVehicle(*GetPlayer(),*itr);
|
|
if(!questgiver || questgiver->IsHostileTo(_player))
|
|
continue;
|
|
if(!questgiver->HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_QUESTGIVER))
|
|
continue;
|
|
questStatus = Script->NPCDialogStatus(_player, questgiver);
|
|
if( questStatus > 6 )
|
|
questStatus = getDialogStatus(_player, questgiver, defstatus);
|
|
|
|
data << uint64(questgiver->GetGUID());
|
|
data << uint8(questStatus);
|
|
++count;
|
|
}
|
|
else if(IS_GAMEOBJECT_GUID(*itr))
|
|
{
|
|
GameObject *questgiver = GetPlayer()->GetMap()->GetGameObject(*itr);
|
|
if(!questgiver)
|
|
continue;
|
|
if(questgiver->GetGoType() != GAMEOBJECT_TYPE_QUESTGIVER)
|
|
continue;
|
|
questStatus = Script->GODialogStatus(_player, questgiver);
|
|
if( questStatus > 6 )
|
|
questStatus = getDialogStatus(_player, questgiver, defstatus);
|
|
|
|
data << uint64(questgiver->GetGUID());
|
|
data << uint8(questStatus);
|
|
++count;
|
|
}
|
|
}
|
|
|
|
data.put<uint32>(0, count); // write real count
|
|
SendPacket(&data);
|
|
}
|