struct unit *punit = player_find_unit_by_id(pplayer, packet->unit_id);
int i;
if (!punit || packet->length < 0 || punit->activity != ACTIVITY_IDLE) {
if (!punit || packet->length < 0 || packet->length > MAX_LEN_ROUTE || punit->activity != ACTIVITY_IDLE) {
return;
}
