Merge branch 'master' of github.com:TrinityCore/TrinityCore into 4.3.4

Conflicts:
	src/server/game/Handlers/CharacterHandler.cpp
	src/server/game/World/World.h

9 files changed, 62 insertions, 15 deletions

diff --git a/src/server/game/DungeonFinding/LFGScripts.cpp b/src/server/game/DungeonFinding/LFGScripts.cpp
index a4716de9524..22b86a094dd 100644
--- a/src/server/game/DungeonFinding/LFGScripts.cpp
+++ b/src/server/game/DungeonFinding/LFGScripts.cpp
@@ -95,6 +95,20 @@ void LFGPlayerScript::OnMapChanged(Player* player)
     if (sLFGMgr->inLfgDungeonMap(player->GetGUID(), map->GetId(), map->GetDifficulty()))
     {
         Group* group = player->GetGroup();
+        // This function is also called when players log in
+        // if for some reason the LFG system recognises the player as being in a LFG dungeon,
+        // but the player was loaded without a valid group, we'll teleport to homebind to prevent
+        // crashes or other undefined behaviour
+        if (!group)
+        {
+            sLFGMgr->LeaveLfg(player->GetGUID());
+            player->RemoveAurasDueToSpell(LFG_SPELL_LUCK_OF_THE_DRAW);
+            player->TeleportTo(player->m_homebindMapId, player->m_homebindX, player->m_homebindY, player->m_homebindZ, 0.0f);
+            sLog->outError(LOG_FILTER_LFG, "LFGPlayerScript::OnMapChanged, Player %s (%u) is in LFG dungeon map but does not have a valid group! "
+                "Teleporting to homebind.", player->GetName().c_str(), player->GetGUIDLow());
+            return;
+        }
+
         for (GroupReference* itr = group->GetFirstMember(); itr != NULL; itr = itr->next())
             if (Player* member = itr->getSource())
                 player->GetSession()->SendNameQueryOpcode(member->GetGUID());
diff --git a/src/server/game/Entities/Creature/Creature.cpp b/src/server/game/Entities/Creature/Creature.cpp
index fd87054b2d8..97d414b9915 100644
--- a/src/server/game/Entities/Creature/Creature.cpp
+++ b/src/server/game/Entities/Creature/Creature.cpp
@@ -290,7 +290,7 @@ bool Creature::InitEntry(uint32 Entry, uint32 /*team*/, const CreatureData* data
     }
 
     // Initialize loot duplicate count depending on raid difficulty
-    if (GetMap()->IsRaid() && GetMap()->GetSpawnMode() & RAID_DIFFICULTY_MASK_25MAN)
+    if (GetMap()->Is25ManRaid())
         loot.maxDuplicates = 3;
 
     SetEntry(Entry);                                        // normal entry always
diff --git a/src/server/game/Entities/GameObject/GameObject.cpp b/src/server/game/Entities/GameObject/GameObject.cpp
index 7f9e317c2d2..e333c8bb211 100644
--- a/src/server/game/Entities/GameObject/GameObject.cpp
+++ b/src/server/game/Entities/GameObject/GameObject.cpp
@@ -260,7 +260,7 @@ bool GameObject::Create(uint32 guidlow, uint32 name_id, Map* map, uint32 phaseMa
     AIM_Initialize();
 
     // Initialize loot duplicate count depending on raid difficulty
-    if (map->IsRaid() && map->GetSpawnMode() & RAID_DIFFICULTY_MASK_25MAN)
+    if (map->Is25ManRaid())
         loot.maxDuplicates = 3;
 
     return true;
diff --git a/src/server/game/Entities/Player/Player.cpp b/src/server/game/Entities/Player/Player.cpp
index a520ae67442..19de01ffd41 100644
--- a/src/server/game/Entities/Player/Player.cpp
+++ b/src/server/game/Entities/Player/Player.cpp
@@ -7662,6 +7662,9 @@ uint32 Player::GetZoneIdFromDB(uint64 guid)
         float posy = fields[2].GetFloat();
         float posz = fields[3].GetFloat();
 
+        if (!sMapStore.LookupEntry(map))
+            return 0;
+
         zone = sMapMgr->GetZoneId(map, posx, posy, posz);
 
         if (zone > 0)
diff --git a/src/server/game/Handlers/CharacterHandler.cpp b/src/server/game/Handlers/CharacterHandler.cpp
index ace5a0b68eb..5dfba797448 100644
--- a/src/server/game/Handlers/CharacterHandler.cpp
+++ b/src/server/game/Handlers/CharacterHandler.cpp
@@ -229,7 +229,7 @@ void WorldSession::HandleCharEnum(PreparedQueryResult result)
     bitBuffer.WriteBit(1);
     if (result)
     {
-        _allowedCharsToLogin.clear();
+        _legitCharacters.clear();
 
         charCount = uint32(result->GetRowCount());
         bitBuffer.reserve(24 * charCount / 8);
@@ -245,7 +245,9 @@ void WorldSession::HandleCharEnum(PreparedQueryResult result)
 
             Player::BuildEnumData(result, &dataBuffer, &bitBuffer);
 
-            _allowedCharsToLogin.insert(guidLow);
+            _legitCharacters.insert(guidLow);
+            if (!sWorld->HasCharacterNameData(guidLow)) // This can happen if characters are inserted into the database manually. Core hasn't loaded name data yet.
+                sWorld->AddCharacterNameData(guidLow, (*result)[1].GetString(), (*result)[4].GetUInt8(), (*result)[2].GetUInt8(), (*result)[3].GetUInt8(), (*result)[7].GetUInt8());
         } while (result->NextRow());
 
         bitBuffer.FlushBits();
@@ -800,7 +802,7 @@ void WorldSession::HandlePlayerLoginOpcode(WorldPacket& recvData)
 
     sLog->outDebug(LOG_FILTER_NETWORKIO, "Character (Guid: %u) logging in", GUID_LOPART(playerGuid));
 
-    if (!CharCanLogin(GUID_LOPART(playerGuid)))
+    if (!IsLegitCharacterForAccount(GUID_LOPART(playerGuid)))
     {
         sLog->outError(LOG_FILTER_NETWORKIO, "Account (%u) can't login with that character (%u).", GetAccountId(), GUID_LOPART(playerGuid));
         KickPlayer();
@@ -1473,6 +1475,15 @@ void WorldSession::HandleCharCustomize(WorldPacket& recvData)
     std::string newName;
 
     recvData >> guid;
+    if (!IsLegitCharacterForAccount(GUID_LOPART(guid)))
+    {
+        sLog->outError(LOG_FILTER_NETWORKIO, "Account %u, IP: %s tried to customise character %u, but it does not belong to their account!",
+            GetAccountId(), GetRemoteAddress().c_str(), GUID_LOPART(guid));
+        recvData.rfinish();
+        KickPlayer();
+        return;
+    }
+
     recvData >> newName;
 
     uint8 gender, skin, face, hairStyle, hairColor, facialHair;
@@ -1704,6 +1715,16 @@ void WorldSession::HandleCharFactionOrRaceChange(WorldPacket& recvData)
     std::string newname;
     uint8 gender, skin, face, hairStyle, hairColor, facialHair, race;
     recvData >> guid;
+
+    if (!IsLegitCharacterForAccount(GUID_LOPART(guid)))
+    {
+        sLog->outError(LOG_FILTER_NETWORKIO, "Account %u, IP: %s tried to factionchange character %u, but it does not belong to their account!",
+            GetAccountId(), GetRemoteAddress().c_str(), GUID_LOPART(guid));
+        recvData.rfinish();
+        KickPlayer();
+        return;
+    }
+
     recvData >> newname;
     recvData >> gender >> skin >> hairColor >> hairStyle >> facialHair >> face >> race;
 
@@ -1711,6 +1732,14 @@ void WorldSession::HandleCharFactionOrRaceChange(WorldPacket& recvData)
 
     // get the players old (at this moment current) race
     CharacterNameData const* nameData = sWorld->GetCharacterNameData(lowGuid);
+    if (!nameData)
+    {
+        WorldPacket data(SMSG_CHAR_FACTION_CHANGE, 1);
+        data << uint8(CHAR_CREATE_ERROR);
+        SendPacket(&data);
+        return;
+    }
+
     uint8 oldRace = nameData->m_race;
     uint8 playerClass = nameData->m_class;
     uint8 level = nameData->m_level;
diff --git a/src/server/game/Maps/MapManager.cpp b/src/server/game/Maps/MapManager.cpp
index b42a2f3c0ed..32824addff2 100644
--- a/src/server/game/Maps/MapManager.cpp
+++ b/src/server/game/Maps/MapManager.cpp
@@ -105,16 +105,17 @@ Map* MapManager::CreateBaseMap(uint32 id)
     {
         TRINITY_GUARD(ACE_Thread_Mutex, Lock);
 
-        const MapEntry* entry = sMapStore.LookupEntry(id);
-        if (entry && entry->Instanceable())
-        {
+        MapEntry const* entry = sMapStore.LookupEntry(id);
+        ASSERT(entry);
+
+        if (entry->Instanceable())
             map = new MapInstanced(id, i_gridCleanUpDelay);
-        }
         else
         {
             map = new Map(id, i_gridCleanUpDelay, 0, REGULAR_DIFFICULTY);
             map->LoadRespawnTimes();
         }
+
         i_maps[id] = map;
     }
 
diff --git a/src/server/game/Scripting/ScriptMgr.cpp b/src/server/game/Scripting/ScriptMgr.cpp
index 5a973395c68..dd479984178 100644
--- a/src/server/game/Scripting/ScriptMgr.cpp
+++ b/src/server/game/Scripting/ScriptMgr.cpp
@@ -489,14 +489,14 @@ void ScriptMgr::OnGroupRateCalculation(float& rate, uint32 count, bool isRaid)
 }
 
 #define SCR_MAP_BGN(M, V, I, E, C, T) \
-    if (V->GetEntry()->T()) \
+    if (V->GetEntry() && V->GetEntry()->T()) \
     { \
         FOR_SCRIPTS(M, I, E) \
         { \
             MapEntry const* C = I->second->GetEntry(); \
             if (!C) \
                 continue; \
-            if (entry->MapID == V->GetId()) \
+            if (C->MapID == V->GetId()) \
             {
 
 #define SCR_MAP_END \
diff --git a/src/server/game/Server/WorldSession.h b/src/server/game/Server/WorldSession.h
index 419de3a466e..70a405fd808 100644
--- a/src/server/game/Server/WorldSession.h
+++ b/src/server/game/Server/WorldSession.h
@@ -974,14 +974,14 @@ class WorldSession
         void LogUnprocessedTail(WorldPacket* packet);
 
         // EnumData helpers
-        bool CharCanLogin(uint32 lowGUID)
+        bool IsLegitCharacterForAccount(uint32 lowGUID)
         {
-            return _allowedCharsToLogin.find(lowGUID) != _allowedCharsToLogin.end();
+            return _legitCharacters.find(lowGUID) != _legitCharacters.end();
         }
 
         // this stores the GUIDs of the characters who can login
         // characters who failed on Player::BuildEnumData shouldn't login
-        std::set<uint32> _allowedCharsToLogin;
+        std::set<uint32> _legitCharacters;
 
         uint32 m_GUIDLow;                                   // set loggined or recently logout player (while m_playerRecentlyLogout set)
         Player* _player;
diff --git a/src/server/game/World/World.h b/src/server/game/World/World.h
index 6c86057eefb..872a6c7afb3 100644
--- a/src/server/game/World/World.h
+++ b/src/server/game/World/World.h
@@ -753,8 +753,8 @@ class World
         void AddCharacterNameData(uint32 guid, std::string const& name, uint8 gender, uint8 race, uint8 playerClass, uint8 level);
         void UpdateCharacterNameData(uint32 guid, std::string const& name, uint8 gender = GENDER_NONE, uint8 race = RACE_NONE);
         void UpdateCharacterNameDataLevel(uint32 guid, uint8 level);
-
         void DeleteCharacterNameData(uint32 guid) { _characterNameDataMap.erase(guid); }
+        bool HasCharacterNameData(uint32 guid) { return _characterNameDataMap.find(guid) != _characterNameDataMap.end(); }
 
         uint32 GetCleaningFlags() const { return m_CleaningFlags; }
         void   SetCleaningFlags(uint32 flags) { m_CleaningFlags = flags; }