Core/PacketIO: Prevented excessive WhoOpcode spam - solves possible crash/lag method

1 files changed, 5 insertions, 0 deletions

diff --git a/src/server/game/Server/Protocol/Handlers/MiscHandler.cpp b/src/server/game/Server/Protocol/Handlers/MiscHandler.cpp
index d828a866c49..d5d205279f7 100755
--- a/src/server/game/Server/Protocol/Handlers/MiscHandler.cpp
+++ b/src/server/game/Server/Protocol/Handlers/MiscHandler.cpp
@@ -169,6 +169,11 @@ void WorldSession::HandleWhoOpcode(WorldPacket & recv_data)
 {
     sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_WHO Message");
 
+    time_t now = time(NULL);
+    if (now - timeLastWhoCommand < 5)
+        return;
+    else timeLastWhoCommand = now;
+
     uint32 matchcount = 0;
 
     uint32 level_min, level_max, racemask, classmask, zones_count, str_count;