diff options
| -rw-r--r-- | modules/enet/networked_multiplayer_enet.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/modules/enet/networked_multiplayer_enet.cpp b/modules/enet/networked_multiplayer_enet.cpp index e53846e269..871c33bb35 100644 --- a/modules/enet/networked_multiplayer_enet.cpp +++ b/modules/enet/networked_multiplayer_enet.cpp @@ -231,6 +231,13 @@ void NetworkedMultiplayerENet::poll() { break; } + // A client joined with an invalid ID (neagtive values, 0, and 1 are reserved). + // Probably trying to exploit us. + if (server && ((int)event.data < 2 || peer_map.has((int)event.data))) { + enet_peer_reset(event.peer); + ERR_CONTINUE(true); + } + int *new_id = memnew(int); *new_id = event.data; |