コード例 #1
0
ファイル: rotate.go プロジェクト: tmroeder/cloudproxy
func ChangeObjectStatus(l *list.List, name_obj string, epoch int, new_status string) error {
	obj := protected_objects.FindObject(l, name_obj, int32(epoch), nil, nil)
	if obj == nil {
		return errors.New("Can't find object")
	}
	obj.ObjStatus = &new_status
	return nil
}
コード例 #2
0
ファイル: rotate.go プロジェクト: tmroeder/cloudproxy
// Find all the objects protected by existing object.
// For each, make a new protected object with new protector.
// Add all resulting nodes to the node list.
// Return new epoch.
func AddAndRotateNewKeyEpoch(name_obj string, obj_type string, existing_status string,
	new_status string, notBefore string, notAfter string, value []byte,
	obj_list *list.List, protected_obj_list *list.List) (*protected_objects.ObjectMessage, error) {
	old_obj, new_obj, err := AddNewKeyEpoch(obj_list, name_obj, obj_type, existing_status,
		new_status, notBefore, notAfter, value)
	if err != nil || new_obj == nil {
		return nil, errors.New("Can't create new epoch")
	}
	err = protected_objects.AddObject(obj_list, *new_obj)
	if err != nil {
		return nil, errors.New("Can't add new key")
	}
	if old_obj == nil {
		return new_obj, nil
	}
	old_protected := protected_objects.FindProtectedObjects(protected_obj_list, name_obj, *old_obj.ObjId.ObjEpoch)
	if old_protected == nil || old_protected.Len() <= 0 {
		fmt.Printf("old protector: %s, %d\n", name_obj, *old_obj.ObjId.ObjEpoch)
		return nil, errors.New("Can't Find protected nodes")
	}
	for e := old_protected.Front(); e != nil; e = e.Next() {
		old := e.Value.(protected_objects.ProtectedObjectMessage)
		protected_name := *old.ProtectedObjId.ObjName
		protected_epoch := *old.ProtectedObjId.ObjEpoch
		old_protected_obj := protected_objects.FindObject(obj_list, protected_name, protected_epoch, nil, nil)
		if old_protected_obj == nil {
			return nil, errors.New("Can't find object")
		}
		new_protected_obj, err := protected_objects.MakeProtectedObject(*old_protected_obj,
			*new_obj.ObjId.ObjName, *new_obj.ObjId.ObjEpoch, new_obj.ObjVal)
		if new_protected_obj == nil || err != nil {
			return new_obj, errors.New("Can't make new protected object")
		}
		err = protected_objects.AddProtectedObject(protected_obj_list, *new_protected_obj)
		if err != nil {
			return new_obj, errors.New("Can't add new protected node")
		}
	}
	return new_obj, nil
}