[8131] Some anti-cheating server side checks. Author: Lightguard

* Loot in ghost state
    * Apply duplicate glyphs.

--HG--
branch : trunk

src/game/LootHandler.cpp

@@ -259,6 +259,10 @@ void WorldSession::HandleLootOpcode( WorldPacket & recv_data )
     uint64 guid;
     recv_data >> guid;
 
+    // Check possible cheat
+    if(!_player->isAlive())
+        return;
+
     GetPlayer()->SendLoot(guid, LOOT_CORPSE);
 }
 

src/game/Spell.cpp

@@ -4713,6 +4713,14 @@ SpellCastResult Spell::CheckCast(bool strict)
 
                 break;
             }
+            case SPELL_EFFECT_APPLY_GLYPH:
+            {
+                uint32 glyphId = m_spellInfo->EffectMiscValue[i];
+                if(GlyphPropertiesEntry const *gp = sGlyphPropertiesStore.LookupEntry(glyphId))
+                    if(m_caster->HasAura(gp->SpellId))
+                        return SPELL_FAILED_UNIQUE_GLYPH;
+                break;
+            }
             case SPELL_EFFECT_FEED_PET:
             {
                 if (m_caster->GetTypeId() != TYPEID_PLAYER)