diff options
Diffstat (limited to 'modules/enet')
| -rw-r--r-- | modules/enet/doc_classes/NetworkedMultiplayerENet.xml | 8 | ||||
| -rw-r--r-- | modules/enet/networked_multiplayer_enet.cpp | 15 |
2 files changed, 15 insertions, 8 deletions
diff --git a/modules/enet/doc_classes/NetworkedMultiplayerENet.xml b/modules/enet/doc_classes/NetworkedMultiplayerENet.xml index 4976a90945..894c17c684 100644 --- a/modules/enet/doc_classes/NetworkedMultiplayerENet.xml +++ b/modules/enet/doc_classes/NetworkedMultiplayerENet.xml @@ -1,5 +1,5 @@ <?xml version="1.0" encoding="UTF-8" ?> -<class name="NetworkedMultiplayerENet" inherits="NetworkedMultiplayerPeer" category="Core" version="3.1"> +<class name="NetworkedMultiplayerENet" inherits="NetworkedMultiplayerPeer" category="Core" version="3.2"> <brief_description> PacketPeer implementation using the ENet library. </brief_description> @@ -10,8 +10,6 @@ <link>https://docs.godotengine.org/en/latest/tutorials/networking/high_level_multiplayer.html</link> <link>http://enet.bespin.org/usergroup0.html</link> </tutorials> - <demos> - </demos> <methods> <method name="close_connection"> <return type="void"> @@ -36,7 +34,7 @@ <argument index="4" name="client_port" type="int" default="0"> </argument> <description> - Create client that connects to a server at [code]address[/code] using specified [code]port[/code]. The given address needs to be either a fully qualified domain nome (e.g. [code]www.example.com[/code]) or an IP address in IPv4 or IPv6 format (e.g. [code]192.168.1.1[/code]). The [code]port[/code] is the port the server is listening on. The [code]in_bandwidth[/code] and [code]out_bandwidth[/code] parameters can be used to limit the incoming and outgoing bandwidth to the given number of bytes per second. The default of 0 means unlimited bandwidth. Note that ENet will strategically drop packets on specific sides of a connection between peers to ensure the peer's bandwidth is not overwhelmed. The bandwidth parameters also determine the window size of a connection which limits the amount of reliable packets that may be in transit at any given time. Returns [code]OK[/code] if a client was created, [code]ERR_ALREADY_IN_USE[/code] if this NetworkedMultiplayerEnet instance already has an open connection (in which case you need to call [method close_connection] first) or [code]ERR_CANT_CREATE[/code] if the client could not be created. If [code]client_port[/code] is specified, the client will also listen to the given port, this is useful in some NAT traversal technique. + Create client that connects to a server at [code]address[/code] using specified [code]port[/code]. The given address needs to be either a fully qualified domain name (e.g. [code]www.example.com[/code]) or an IP address in IPv4 or IPv6 format (e.g. [code]192.168.1.1[/code]). The [code]port[/code] is the port the server is listening on. The [code]in_bandwidth[/code] and [code]out_bandwidth[/code] parameters can be used to limit the incoming and outgoing bandwidth to the given number of bytes per second. The default of 0 means unlimited bandwidth. Note that ENet will strategically drop packets on specific sides of a connection between peers to ensure the peer's bandwidth is not overwhelmed. The bandwidth parameters also determine the window size of a connection which limits the amount of reliable packets that may be in transit at any given time. Returns [code]OK[/code] if a client was created, [code]ERR_ALREADY_IN_USE[/code] if this NetworkedMultiplayerEnet instance already has an open connection (in which case you need to call [method close_connection] first) or [code]ERR_CANT_CREATE[/code] if the client could not be created. If [code]client_port[/code] is specified, the client will also listen to the given port, this is useful in some NAT traversal technique. </description> </method> <method name="create_server"> @@ -62,7 +60,7 @@ <argument index="1" name="now" type="bool" default="false"> </argument> <description> - Disconnect the given peer. If "now" is set to true, the connection will be closed immediately without flushing queued messages. + Disconnect the given peer. If "now" is set to [code]true[/code], the connection will be closed immediately without flushing queued messages. </description> </method> <method name="get_last_packet_channel" qualifiers="const"> diff --git a/modules/enet/networked_multiplayer_enet.cpp b/modules/enet/networked_multiplayer_enet.cpp index e53846e269..193f1bb48d 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; @@ -426,7 +433,6 @@ bool NetworkedMultiplayerENet::is_server() const { void NetworkedMultiplayerENet::close_connection(uint32_t wait_usec) { ERR_FAIL_COND(!active); - ERR_FAIL_COND(wait_usec < 0); _pop_current_packet(); @@ -684,7 +690,9 @@ size_t NetworkedMultiplayerENet::enet_compress(void *context, const ENetBuffer * case COMPRESS_ZSTD: { mode = Compression::MODE_ZSTD; } break; - default: { ERR_FAIL_V(0); } + default: { + ERR_FAIL_V(0); + } } int req_size = Compression::get_max_compressed_buffer_size(ofs, mode); @@ -721,7 +729,8 @@ size_t NetworkedMultiplayerENet::enet_decompress(void *context, const enet_uint8 ret = Compression::decompress(outData, outLimit, inData, inLimit, Compression::MODE_ZSTD); } break; - default: {} + default: { + } } if (ret < 0) { return 0; |