engine: server: added "c" command to SV_ConnectionlessPacket

engine/server/sv_client.c

@@ -2266,6 +2266,13 @@ void SV_ConnectionlessPacket( netadr_t from, sizebuf_t *msg )
 	else if( !Q_strcmp( pcmd, "s" )) SV_AddToMaster( from, msg );
 	else if( !Q_strcmp( pcmd, "T" "Source" )) SV_TSourceEngineQuery( from );
 	else if( !Q_strcmp( pcmd, "i" )) NET_SendPacket( NS_SERVER, 5, "\xFF\xFF\xFF\xFFj", from ); // A2A_PING
+	else if (!Q_strcmp( pcmd, "c" ))
+	{
+		netadr_t to;
+
+		if( NET_StringToAdr( Cmd_Argv( 1 ), &to ))
+			SV_Info( to, PROTOCOL_VERSION );
+	}
 	else if( svgame.dllFuncs.pfnConnectionlessPacket( &from, args, buf, &len ))
 	{
 		// user out of band message (must be handled in CL_ConnectionlessPacket)