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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2024 Microsoft Corporation. All rights reserved.
*/
#ifndef _IPE_EVAL_H
#define _IPE_EVAL_H
#include <linux/file.h>
#include <linux/types.h>
#include "policy.h"
#include "hooks.h"
#define IPE_EVAL_CTX_INIT ((struct ipe_eval_ctx){ 0 })
extern struct ipe_policy __rcu *ipe_active_policy;
extern bool success_audit;
extern bool enforce;
struct ipe_superblock {
bool initramfs;
};
#ifdef CONFIG_IPE_PROP_DM_VERITY
struct ipe_bdev {
#ifdef CONFIG_IPE_PROP_DM_VERITY_SIGNATURE
bool dm_verity_signed;
#endif /* CONFIG_IPE_PROP_DM_VERITY_SIGNATURE */
struct digest_info *root_hash;
};
#endif /* CONFIG_IPE_PROP_DM_VERITY */
#ifdef CONFIG_IPE_PROP_FS_VERITY_BUILTIN_SIG
struct ipe_inode {
bool fs_verity_signed;
};
#endif /* CONFIG_IPE_PROP_FS_VERITY_BUILTIN_SIG */
struct ipe_eval_ctx {
enum ipe_op_type op;
enum ipe_hook_type hook;
const struct file *file;
bool initramfs;
#ifdef CONFIG_IPE_PROP_DM_VERITY
const struct ipe_bdev *ipe_bdev;
#endif /* CONFIG_IPE_PROP_DM_VERITY */
#ifdef CONFIG_IPE_PROP_FS_VERITY
const struct inode *ino;
#endif /* CONFIG_IPE_PROP_FS_VERITY */
#ifdef CONFIG_IPE_PROP_FS_VERITY_BUILTIN_SIG
const struct ipe_inode *ipe_inode;
#endif /* CONFIG_IPE_PROP_FS_VERITY_BUILTIN_SIG */
};
enum ipe_match {
IPE_MATCH_RULE = 0,
IPE_MATCH_TABLE,
IPE_MATCH_GLOBAL,
__IPE_MATCH_MAX
};
void ipe_build_eval_ctx(struct ipe_eval_ctx *ctx,
const struct file *file,
enum ipe_op_type op,
enum ipe_hook_type hook);
int ipe_evaluate_event(const struct ipe_eval_ctx *const ctx);
#endif /* _IPE_EVAL_H */
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