111 lines
3.9 KiB
C
111 lines
3.9 KiB
C
/*!
|
|
* @header
|
|
* Encapsulation which describes an Image4 trust evaluation procedure. The type
|
|
* of procedure impacts the result delivered to the
|
|
* {@link image4_trust_evaluation_result_t}.
|
|
*
|
|
* All trust evaluations require a manifest to be present in the trust object.
|
|
*/
|
|
#ifndef __IMAGE4_API_TRUST_EVALUATION_H
|
|
#define __IMAGE4_API_TRUST_EVALUATION_H
|
|
|
|
#include <image4/image4.h>
|
|
#include <image4/types.h>
|
|
|
|
__BEGIN_DECLS
|
|
OS_ASSUME_NONNULL_BEGIN
|
|
OS_ASSUME_PTR_ABI_SINGLE_BEGIN
|
|
|
|
/*!
|
|
* @const IMAGE4_TRUST_EVALUATION_EXEC
|
|
* The trust evaluation is intended to execute firmware in the designated
|
|
* environment. This is to be used for either first- or second-stage boots.
|
|
*
|
|
* This type of trust evaluation requires a payload.
|
|
*
|
|
* @section Trust Evaluation Result
|
|
* Upon successful evaluation, the result is a pointer to the unwrapped Image4
|
|
* payload bytes.
|
|
*
|
|
* @discussion
|
|
* This trust evaluation is supported on all targets.
|
|
*/
|
|
IMAGE4_API_AVAILABLE_SPRING_2024
|
|
OS_EXPORT
|
|
const image4_trust_evaluation_t _image4_trust_evaluation_exec;
|
|
#define IMAGE4_TRUST_EVALUATION_EXEC (&_image4_trust_evaluation_exec)
|
|
IMAGE4_XNU_AVAILABLE_INDIRECT(_image4_trust_evaluation_exec);
|
|
|
|
/*!
|
|
* @const IMAGE4_TRUST_EVALUATION_PREFLIGHT
|
|
* The trust evaluation is intended to preflight a manifest to verify that it is
|
|
* likely to be accepted during a boot trust evaluation in the future. This is
|
|
* a best effort evaluation, and depending on the environment, certain
|
|
* enforcement policies may be relaxed due to the relevant information not being
|
|
* available.
|
|
*
|
|
* This type of trust evaluation does not require a payload.
|
|
*
|
|
* @section Trust Evaluation Result
|
|
* The result is an error code indicating whether the manifest is likely to be
|
|
* accepted by the environment.
|
|
*
|
|
* @discussion
|
|
* This type of trust evaluation is not supported on all targets.
|
|
*/
|
|
IMAGE4_API_AVAILABLE_SPRING_2024
|
|
OS_EXPORT
|
|
const image4_trust_evaluation_t _image4_trust_evaluation_preflight;
|
|
#define IMAGE4_TRUST_EVALUATION_PREFLIGHT (&_image4_trust_evaluation_preflight)
|
|
IMAGE4_XNU_AVAILABLE_INDIRECT(_image4_trust_evaluation_preflight);
|
|
|
|
/*!
|
|
* @const IMAGE4_TRUST_EVALUATION_SIGN
|
|
* The trust evaluation is intended to facilitate counter-signing the manifest.
|
|
*
|
|
* @section Trust Evaluation Result
|
|
* Upon successful evaluation, the result is a pointer to the digest of the
|
|
* manifest. The digest is computed using the algorithm specified by the
|
|
* environment.
|
|
*
|
|
* @discussion
|
|
* This type of trust evaluation is not supported on all targets.
|
|
*/
|
|
IMAGE4_API_AVAILABLE_SPRING_2024
|
|
OS_EXPORT
|
|
const image4_trust_evaluation_t _image4_trust_evaluation_sign;
|
|
#define IMAGE4_TRUST_EVALUATION_SIGN (&_image4_trust_evaluation_sign)
|
|
IMAGE4_XNU_AVAILABLE_INDIRECT(_image4_trust_evaluation_sign);
|
|
|
|
/*!
|
|
* @const IMAGE4_TRUST_EVALUATION_BOOT
|
|
* The trust evaluation is intended to bootstrap a subsequent trust evaluation
|
|
* in a chain of trust. The ultimate purpose of the chain of trust must be to
|
|
* either preflight a manifest or sign it.
|
|
*
|
|
* This type of trust evaluation does not require a payload.
|
|
*
|
|
* @section Trust Evaluation Result
|
|
* This type of trust evaluation is not intended to be performed directly by way
|
|
* of {@link image4_trust_evaluate}. It is instead intended to create a trust
|
|
* object which can be used as a previous stage of boot for another trust object
|
|
* by way of {@link image4_trust_set_booter}.
|
|
*
|
|
* However, if the caller wishes to perform a boot trust evaluation directly,
|
|
* then the trust evaluation result equivalent to that of
|
|
* {@link IMAGE4_TRUST_EVALUATION_SIGN}.
|
|
*
|
|
* @discussion
|
|
* This trust evaluation is supported on all targets.
|
|
*/
|
|
IMAGE4_API_AVAILABLE_SPRING_2024
|
|
OS_EXPORT
|
|
const image4_trust_evaluation_t _image4_trust_evaluation_boot;
|
|
#define IMAGE4_TRUST_EVALUATION_BOOT (&_image4_trust_evaluation_boot)
|
|
IMAGE4_XNU_AVAILABLE_INDIRECT(_image4_trust_evaluation_boot);
|
|
|
|
OS_ASSUME_PTR_ABI_SINGLE_END
|
|
OS_ASSUME_NONNULL_END
|
|
__END_DECLS
|
|
|
|
#endif // __IMAGE4_API_TRUST_EVALUATION_H
|