67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Creating audit records for mapped devices.
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*
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* Copyright (C) 2021 Fraunhofer AISEC. All rights reserved.
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*
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* Authors: Michael Weiß <michael.weiss@aisec.fraunhofer.de>
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*/
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#ifndef DM_AUDIT_H
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#define DM_AUDIT_H
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#include <linux/device-mapper.h>
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#include <linux/audit.h>
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#ifdef CONFIG_DM_AUDIT
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void dm_audit_log_bio(const char *dm_msg_prefix, const char *op,
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struct bio *bio, sector_t sector, int result);
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/*
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* dm_audit_log_ti() is not intended to be used directly in dm modules,
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* the wrapper functions below should be called by dm modules instead.
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*/
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void dm_audit_log_ti(int audit_type, const char *dm_msg_prefix, const char *op,
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struct dm_target *ti, int result);
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static inline void dm_audit_log_ctr(const char *dm_msg_prefix,
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struct dm_target *ti, int result)
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{
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dm_audit_log_ti(AUDIT_DM_CTRL, dm_msg_prefix, "ctr", ti, result);
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}
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static inline void dm_audit_log_dtr(const char *dm_msg_prefix,
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struct dm_target *ti, int result)
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{
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dm_audit_log_ti(AUDIT_DM_CTRL, dm_msg_prefix, "dtr", ti, result);
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}
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static inline void dm_audit_log_target(const char *dm_msg_prefix, const char *op,
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struct dm_target *ti, int result)
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{
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dm_audit_log_ti(AUDIT_DM_EVENT, dm_msg_prefix, op, ti, result);
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}
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#else
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static inline void dm_audit_log_bio(const char *dm_msg_prefix, const char *op,
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struct bio *bio, sector_t sector,
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int result)
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{
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}
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static inline void dm_audit_log_target(const char *dm_msg_prefix,
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const char *op, struct dm_target *ti,
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int result)
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{
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}
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static inline void dm_audit_log_ctr(const char *dm_msg_prefix,
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struct dm_target *ti, int result)
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{
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}
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static inline void dm_audit_log_dtr(const char *dm_msg_prefix,
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struct dm_target *ti, int result)
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{
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}
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#endif
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#endif
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