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