miguel.horta/openttd-cmclient
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Feature: encrypt the connection between game server and client

Browse Source
This commit is contained in:
Rubidium
2024-03-14 21:36:28 +01:00
committed by rubidium42
parent d26629c15b
commit 1cf8799810
12 changed files with 143 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/network/network_server.cpp
View File

@@ -457,15 +457,15 @@ NetworkRecvStatus ServerNetworkGameSocketHandler::SendAuthRequest()
return NETWORK_RECV_STATUS_OKAY;
}
/** Notify the client that the authentication has completed. */
NetworkRecvStatus ServerNetworkGameSocketHandler::SendAuthCompleted()
/** Notify the client that the authentication has completed and tell that for the remainder of this socket encryption is enabled. */
NetworkRecvStatus ServerNetworkGameSocketHandler::SendEnableEncryption()
{
Debug(net, 9, "client[{}] SendAuthCompleted()", this->client_id);
Debug(net, 9, "client[{}] SendEnableEncryption()", this->client_id);
/* Invalid packet when status is anything but STATUS_AUTH_GAME. */
if (this->status != STATUS_AUTH_GAME) return this->CloseConnection(NETWORK_RECV_STATUS_MALFORMED_PACKET);
auto p = std::make_unique<Packet>(this, PACKET_SERVER_AUTH_COMPLETED);
auto p = std::make_unique<Packet>(this, PACKET_SERVER_ENABLE_ENCRYPTION);
this->SendPacket(std::move(p));
return NETWORK_RECV_STATUS_OKAY;
}
@@ -999,9 +999,11 @@ NetworkRecvStatus ServerNetworkGameSocketHandler::Receive_CLIENT_AUTH_RESPONSE(P
return this->SendError(GetErrorForAuthenticationMethod(authentication_method));
}
NetworkRecvStatus status = this->SendAuthCompleted();
NetworkRecvStatus status = this->SendEnableEncryption();
if (status != NETWORK_RECV_STATUS_OKAY) return status;
this->receive_encryption_handler = this->authentication_handler->CreateClientToServerEncryptionHandler();
this->send_encryption_handler = this->authentication_handler->CreateServerToClientEncryptionHandler();
this->authentication_handler = nullptr;
Debug(net, 9, "client[{}] status = IDENTIFY", this->client_id);