mongoc_client_encryption_opts_set_kms_credential_provider_callback -

SYNOPSIS  PARAMETERS  AUTHOR  COPYRIGHT 

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Added in version 1.23.0.

SYNOPSIS

void
mongoc_client_encryption_opts_set_kms_credential_provider_callback (
mongoc_client_encryption_opts_t *opts,
mongoc_kms_credentials_provider_callback_fn fn,
void *userdata);

Set the user−provided callback to provide KMS credentials on−demand when they are needed.

PARAMETERS

	•		opts − The options object to update.
	•		fn − The provider callback to set on the options object. May be NULL to clear the callback. Refer to: mongoc_kms_credentials_provider_callback_fn
	•		userdata − An arbitrary pointer that will be passed along to the callback function when it is called by libmongoc.

SEE ALSO:

mongoc_auto_encryption_opts_set_kms_credential_provider_callback()

Related:
type mongoc_kms_credentials_provider_callback_fn

typedef
bool (*mongoc_kms_credentials_provider_callback_fn) (void *userdata,
const bson_t *params,
bson_t *out,
bson_error_t *error);

The type of a callback function for providing KMS providers data on−demand.
Parameters

	•		userdata − The same userdata pointer provided to the userdata parameter when the callback was set.
	•		params − Parameters for the requested KMS credentials. Currently empty.
	•		out − The output bson_t in which to write the new KMS providers. When passed to the callback, this already points to an empty BSON document which must be populated.
	•		error − An output parameter for indicating any errors that might occur while generating the KMS credentials.

Return value

Must return true on success, false on failure.

AUTHOR

MongoDB, Inc

COPYRIGHT

2017-present, MongoDB, Inc

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