1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2020-2024 Microsoft Corporation. All rights reserved.
4 */
5#ifndef _IPE_HOOKS_H
6#define _IPE_HOOKS_H
7
8#include <linux/fs.h>
9#include <linux/binfmts.h>
10#include <linux/security.h>
11#include <linux/blk_types.h>
12#include <linux/fsverity.h>
13
14enum ipe_hook_type {
15 IPE_HOOK_BPRM_CHECK = 0,
16 IPE_HOOK_BPRM_CREDS_FOR_EXEC,
17 IPE_HOOK_MMAP,
18 IPE_HOOK_MPROTECT,
19 IPE_HOOK_KERNEL_READ,
20 IPE_HOOK_KERNEL_LOAD,
21 __IPE_HOOK_MAX
22};
23
24#define IPE_HOOK_INVALID __IPE_HOOK_MAX
25
26int ipe_bprm_check_security(struct linux_binprm *bprm);
27
28int ipe_bprm_creds_for_exec(struct linux_binprm *bprm);
29
30int ipe_mmap_file(struct file *f, unsigned long reqprot, unsigned long prot,
31 unsigned long flags);
32
33int ipe_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
34 unsigned long prot);
35
36int ipe_kernel_read_file(struct file *file, enum kernel_read_file_id id,
37 bool contents);
38
39int ipe_kernel_load_data(enum kernel_load_data_id id, bool contents);
40
41void ipe_unpack_initramfs(void);
42
43#ifdef CONFIG_IPE_PROP_DM_VERITY
44void ipe_bdev_free_security(struct block_device *bdev);
45
46int ipe_bdev_setintegrity(struct block_device *bdev, enum lsm_integrity_type type,
47 const void *value, size_t len);
48#endif /* CONFIG_IPE_PROP_DM_VERITY */
49
50#ifdef CONFIG_IPE_PROP_FS_VERITY_BUILTIN_SIG
51int ipe_inode_setintegrity(const struct inode *inode, enum lsm_integrity_type type,
52 const void *value, size_t size);
53#endif /* CONFIG_IPE_PROP_FS_VERITY_BUILTIN_SIG */
54
55#endif /* _IPE_HOOKS_H */
56

source code of linux/security/ipe/hooks.h