[9750] Add structure of SMSG_REDIRECT_CLIENT (0x50D).

Thanks to TOM_RUS for help with research.

src/game/Opcodes.h

@@ -1327,15 +1327,15 @@ enum Opcodes
     SMSG_CAMERA_SHAKE                               = 0x50A, // uint32 SpellEffectCameraShakes.dbc index, uint32
     SMSG_UNKNOWN_1291                               = 0x50B, // some item update packet?
     UMSG_UNKNOWN_1292                               = 0x50C, // not found
-    SMSG_UNKNOWN_1293                               = 0x50D, //
+    SMSG_REDIRECT_CLIENT                            = 0x50D, // uint32 ip, uint16 port, uint32 unk, uint8[20] hash
     CMSG_UNKNOWN_1294                               = 0x50E, // something with networking
     SMSG_UNKNOWN_1295                               = 0x50F, //
     CMSG_UNKNOWN_1296                               = 0x510, // something with networking
     SMSG_UNKNOWN_1297                               = 0x511, //
     CMSG_UNKNOWN_1298                               = 0x512, // something with networking
     UMSG_UNKNOWN_1299                               = 0x513, // not found
-    SMSG_UNKNOWN_1300                               = 0x514, // SMSG, multi combatlog
+    SMSG_COMBAT_LOG_MULTIPLE                        = 0x514, // SMSG, multi combatlog
-    SMSG_UNKNOWN_1301                               = 0x515, // event EVENT_LFG_OPEN_FROM_GOSSIP (opens dungeon finder, probably for outdoor bosses)
+    SMSG_LFG_OPEN_FROM_GOSSIP                       = 0x515, // event EVENT_LFG_OPEN_FROM_GOSSIP (opens dungeon finder, probably for outdoor bosses)
     SMSG_UNKNOWN_1302                               = 0x516, // something with player movement (move event 58?)
     CMSG_UNKNOWN_1303                               = 0x517, // something with player movement (move event 58?)
     SMSG_UNKNOWN_1304                               = 0x518, // something with player movement (move event 58?), speed packet

src/game/WorldSession.cpp

@@ -35,6 +35,8 @@
 #include "BattleGroundMgr.h"
 #include "MapManager.h"
 #include "SocialMgr.h"
+#include "Auth/AuthCrypt.h"
+#include "Auth/HMACSHA1.h"
 #include "zlib/zlib.h"
 
 /// WorldSession constructor
@@ -856,3 +858,22 @@ void WorldSession::SetPlayer( Player *plr )
     if(_player)
         m_GUIDLow = _player->GetGUIDLow();
 }
+
+void WorldSession::SendRedirectClient(std::string& ip, uint16 port)
+{
+    uint32 ip2 = ACE_OS::inet_addr(ip.c_str());
+    WorldPacket pkt(SMSG_REDIRECT_CLIENT, 4 + 2 + 4 + 20);
+
+    pkt << uint32(ip2);                                     // inet_addr(ipstr)
+    pkt << uint16(port);                                    // port
+
+    pkt << uint32(GetLatency());                            // latency-related?
+
+    HMACSHA1 sha1(20, m_Socket->GetSessionKey().AsByteArray());
+    sha1.UpdateData((uint8*)&ip2, 4);
+    sha1.UpdateData((uint8*)&port, 2);
+    sha1.Finalize();
+    pkt.append(sha1.GetDigest(), 20);                       // hmacsha1(ip+port) w/ sessionkey as seed
+
+    SendPacket(&pkt);
+}

src/game/WorldSession.h

@@ -158,6 +158,7 @@ class MANGOS_DLL_SPEC WorldSession
         void SendAreaTriggerMessage(const char* Text, ...) ATTR_PRINTF(2,3);
         void SendSetPhaseShift(uint32 phaseShift);
         void SendQueryTimeResponse();
+        void SendRedirectClient(std::string& ip, uint16 port);
 
         AccountTypes GetSecurity() const { return _security; }
         uint32 GetAccountId() const { return _accountId; }

src/game/WorldSocket.cpp

@@ -37,7 +37,6 @@
 #include "ByteBuffer.h"
 #include "Opcodes.h"
 #include "Database/DatabaseEnv.h"
-#include "Auth/BigNumber.h"
 #include "Auth/Sha1.h"
 #include "WorldSession.h"
 #include "WorldSocketMgr.h"
@@ -826,7 +825,8 @@ int WorldSocket::HandleAuthSession (WorldPacket& recvPacket)
     g.SetDword (7);
 
     v.SetHexStr(fields[5].GetString());
-    s.SetHexStr (fields[6].GetString ());
+    s.SetHexStr (fields[6].GetString());
+    m_s = s;
 
     const char* sStr = s.AsHexStr ();                       //Must be freed by OPENSSL_free()
     const char* vStr = v.AsHexStr ();                       //Must be freed by OPENSSL_free()

src/game/WorldSocket.h

@@ -42,6 +42,7 @@
 
 #include "Common.h"
 #include "Auth/AuthCrypt.h"
+#include "Auth/BigNumber.h"
 
 class ACE_Message_Block;
 class WorldPacket;
@@ -121,6 +122,9 @@ class WorldSocket : protected WorldHandler
         /// Remove reference to this object.
         long RemoveReference (void);
 
+        /// Return the session key
+        BigNumber& GetSessionKey() { return m_s; }
+
     protected:
         /// things called by ACE framework.
         WorldSocket (void);
@@ -212,6 +216,8 @@ class WorldSocket : protected WorldHandler
         bool m_OutActive;
 
         uint32 m_Seed;
+
+        BigNumber m_s;
 };
 
 #endif  /* _WORLDSOCKET_H */

src/game/WorldSocketMgr.cpp

@@ -273,12 +273,15 @@ WorldSocketMgr::StartReactiveIO (ACE_UINT16 port, const char* address)
 }
 
 int
-WorldSocketMgr::StartNetwork (ACE_UINT16 port, const char* address)
+WorldSocketMgr::StartNetwork (ACE_UINT16 port, std::string& address)
 {
+    m_addr = address;
+    m_port = port;
+
     if (!sLog.IsOutDebug ())
         ACE_Log_Msg::instance ()->priority_mask (LM_ERROR, ACE_Log_Msg::PROCESS);
 
-    if (StartReactiveIO (port, address) == -1)
+    if (StartReactiveIO (port, address.c_str()) == -1)
         return -1;
 
     return 0;

src/game/WorldSocketMgr.h

@@ -29,6 +29,8 @@
 #include <ace/Singleton.h>
 #include <ace/Thread_Mutex.h>
 
+#include <string>
+
 class WorldSocket;
 class ReactorRunnable;
 class ACE_Event_Handler;
@@ -41,7 +43,7 @@ public:
   friend class ACE_Singleton<WorldSocketMgr,ACE_Thread_Mutex>;
 
   /// Start network, listen at address:port .
-  int StartNetwork (ACE_UINT16 port, const char* address);
+  int StartNetwork (ACE_UINT16 port, std::string& address);
 
   /// Stops all network threads, It will wait for all running threads .
   void StopNetwork ();
@@ -49,6 +51,9 @@ public:
   /// Wait untill all network threads have "joined" .
   void Wait ();
 
+  std::string& GetBindAddress() { return m_addr; }
+  ACE_UINT16 GetBindPort() { return m_port; }
+
   /// Make this class singleton .
   static WorldSocketMgr* Instance ();
 
@@ -68,6 +73,9 @@ private:
   int m_SockOutUBuff;
   bool m_UseNoDelay;
 
+  std::string m_addr;
+  ACE_UINT16 m_port;
+
   ACE_Event_Handler* m_Acceptor;
 };
 

src/mangosd/Master.cpp

@@ -312,7 +312,7 @@ int Master::Run()
     uint16 wsport = sWorld.getConfig (CONFIG_UINT32_PORT_WORLD);
     std::string bind_ip = sConfig.GetStringDefault ("BindIP", "0.0.0.0");
 
-    if (sWorldSocketMgr->StartNetwork (wsport, bind_ip.c_str ()) == -1)
+    if (sWorldSocketMgr->StartNetwork (wsport, bind_ip) == -1)
     {
         sLog.outError ("Failed to start network");
         World::StopNow(ERROR_EXIT_CODE);

src/shared/Common.h

@@ -94,6 +94,7 @@
 #include <ace/Guard_T.h>
 #include <ace/RW_Thread_Mutex.h>
 #include <ace/Thread_Mutex.h>
+#include <ace/OS_NS_arpa_inet.h>
 
 #if PLATFORM == PLATFORM_WINDOWS
 #  define FD_SETSIZE 4096

src/shared/Util.cpp

@@ -206,7 +206,7 @@ bool IsIPAddress(char const* ipaddress)
 
     // Let the big boys do it.
     // Drawback: all valid ip address formats are recognized e.g.: 12.23,121234,0xABCD)
-    return inet_addr(ipaddress) != INADDR_NONE;
+    return ACE_OS::inet_addr(ipaddress) != INADDR_NONE;
 }
 
 /// create PID file

src/shared/revision_nr.h

@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "9749"
+ #define REVISION_NR "9750"
 #endif // __REVISION_NR_H__