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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Landlock - Audit helpers
*
* Copyright © 2023-2025 Microsoft Corporation
*/
#ifndef _SECURITY_LANDLOCK_AUDIT_H
#define _SECURITY_LANDLOCK_AUDIT_H
#include <linux/audit.h>
#include <linux/lsm_audit.h>
#include "cred.h"
enum landlock_request_type {
LANDLOCK_REQUEST_PTRACE = 1,
};
/*
* We should be careful to only use a variable of this type for
* landlock_log_denial(). This way, the compiler can remove it entirely if
* CONFIG_AUDIT is not set.
*/
struct landlock_request {
/* Mandatory fields. */
enum landlock_request_type type;
struct common_audit_data audit;
/**
* layer_plus_one: First layer level that denies the request + 1. The
* extra one is useful to detect uninitialized field.
*/
size_t layer_plus_one;
};
#ifdef CONFIG_AUDIT
void landlock_log_denial(const struct landlock_cred_security *const subject,
const struct landlock_request *const request);
#else /* CONFIG_AUDIT */
static inline void
landlock_log_denial(const struct landlock_cred_security *const subject,
const struct landlock_request *const request)
{
}
#endif /* CONFIG_AUDIT */
#endif /* _SECURITY_LANDLOCK_AUDIT_H */
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