Core/Warden: Base implementation for Warden functionality

Note: The default config file action for clients failing the checks can be changed for each check via the characters.warden_action table

Credits to TOM_RUS

src/server/game/Server/WorldSession.cpp

@@ -42,6 +42,8 @@
 #include "zlib.h"
 #include "ScriptMgr.h"
 #include "Transport.h"
+#include "WardenWin.h"
+#include "WardenMac.h"
 
 bool MapSessionFilter::Process(WorldPacket* packet)
 {
@@ -94,7 +96,7 @@ m_playerRecentlyLogout(false), m_playerSave(false),
 m_sessionDbcLocale(sWorld->GetAvailableDbcLocale(locale)),
 m_sessionDbLocaleIndex(locale),
 m_latency(0), m_TutorialsChanged(false), recruiterId(recruiter),
-isRecruiter(isARecruiter), timeLastWhoCommand(0)
+isRecruiter(isARecruiter), timeLastWhoCommand(0),_warden(NULL)
 {
     if (sock)
     {
@@ -122,6 +124,9 @@ WorldSession::~WorldSession()
         m_Socket = NULL;
     }
 
+    if (_warden)
+        delete _warden;
+
     ///- empty incoming packet queue
     WorldPacket* packet = NULL;
     while (_recvQueue.next(packet))
@@ -142,6 +147,12 @@ char const* WorldSession::GetPlayerName() const
     return GetPlayer() ? GetPlayer()->GetName() : "<none>";
 }
 
+/// Get player guid if available. Use for logging purposes only
+uint32 WorldSession::GetGuidLow() const
+{
+    return GetPlayer() ? GetPlayer()->GetGUIDLow() : 0;
+}
+
 /// Send a packet to the client
 void WorldSession::SendPacket(WorldPacket const* packet)
 {
@@ -348,6 +359,9 @@ bool WorldSession::Update(uint32 diff, PacketFilter& updater)
             delete packet;
     }
 
+    if (m_Socket && !m_Socket->IsClosed() && _warden)
+        _warden->Update();
+
     ProcessQueryCallbacks();
 
     //check if we are safe to proceed with logout
@@ -359,6 +373,9 @@ bool WorldSession::Update(uint32 diff, PacketFilter& updater)
         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())
         {
@@ -1101,3 +1118,18 @@ void WorldSession::ProcessQueryCallbacks()
         _stableSwapCallback.FreeResult();
     }
 }
+
+void WorldSession::InitWarden(BigNumber* k, std::string os)
+{
+    if (os == "Win")
+    {
+        _warden = (Warden*)new WardenWin();
+        _warden->Init(this, k);
+    }
+    else if (os == "OSX")
+    {
+        // Disabled as it is causing the client to crash
+        // _warden = (Warden*)new WardenMac();
+        // _warden->Init(this, k);
+    }
+}