diff options
Diffstat (limited to 'src/network/network_client.cpp')
| -rw-r--r-- | src/network/network_client.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/network/network_client.cpp b/src/network/network_client.cpp index 2d7256beb..1c56fda7c 100644 --- a/src/network/network_client.cpp +++ b/src/network/network_client.cpp @@ -685,6 +685,24 @@ DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMMAND) cp->my_cmd = p->Recv_bool(); cp->next = NULL; + if (!IsValidCommand(cp->cmd)) { + IConsolePrintF(CC_ERROR, "WARNING: invalid command from server, dropping..."); + free(cp); + return NETWORK_RECV_STATUS_MALFORMED_PACKET; + } + + if (GetCommandFlags(cp->cmd) & CMD_OFFLINE) { + IConsolePrintF(CC_ERROR, "WARNING: offline only command from server, dropping..."); + free(cp); + return NETWORK_RECV_STATUS_MALFORMED_PACKET; + } + + if ((cp->cmd & CMD_FLAGS_MASK) != 0) { + IConsolePrintF(CC_ERROR, "WARNING: invalid command flag from server, dropping..."); + free(cp); + return NETWORK_RECV_STATUS_MALFORMED_PACKET; + } + // The server did send us this command.. // queue it in our own queue, so we can handle it in the upcoming frame! |