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2021-01-29crypto: Forbid broken unloading of secretsKevin Wolf
qcrypto_secret_prop_set_loaded() forgets to reset secret->rawdata after unloading a secret, which will lead to a double free at some point. Because there is no use case for unloading an already loaded secret (apart from deleting the whole secret object) and we know that nobody could use this because it would lead to crashes, let's just forbid the operation instead of fixing the unloading. Eventually, we'll want to get rid of 'loaded' in the external interface, but for the meantime this is more consistent with rng, which has a similar property 'opened' that also can't be reset to false after it became true. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-01-29crypto: Move USER_CREATABLE to secret_common base classKevin Wolf
Instead of duplicating the code for user creatable objects in secret and secret_keyring, move it to the common base clase secret_common. As the base class is abstract, it won't become user creatable itself. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2020-06-15crypto/secret: move main logic from 'secret' to 'secret_common'.Alexey Krasikov
Create base class 'common secret'. Move common data and logic from 'secret' to 'common_secret' class. This allowed adding abstraction layer for easier adding new 'secret' objects in future. Convert 'secret' class to child from basic 'secret_common' with 'data' and 'file' properties. Signed-off-by: Alexey Krasikov <alex-krasikov@yandex-team.ru> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>