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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2024 Microsoft Corporation. All rights reserved.
*/
#ifndef _IPE_HOOKS_H
#define _IPE_HOOKS_H
#include <linux/fs.h>
#include <linux/binfmts.h>
#include <linux/security.h>
#include <linux/blk_types.h>
#include <linux/fsverity.h>
enum ipe_hook_type {
IPE_HOOK_BPRM_CHECK = 0,
IPE_HOOK_BPRM_CREDS_FOR_EXEC,
IPE_HOOK_MMAP,
IPE_HOOK_MPROTECT,
IPE_HOOK_KERNEL_READ,
IPE_HOOK_KERNEL_LOAD,
__IPE_HOOK_MAX
};
#define IPE_HOOK_INVALID __IPE_HOOK_MAX
int ipe_bprm_check_security(struct linux_binprm *bprm);
int ipe_bprm_creds_for_exec(struct linux_binprm *bprm);
int ipe_mmap_file(struct file *f, unsigned long reqprot, unsigned long prot,
unsigned long flags);
int ipe_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
unsigned long prot);
int ipe_kernel_read_file(struct file *file, enum kernel_read_file_id id,
bool contents);
int ipe_kernel_load_data(enum kernel_load_data_id id, bool contents);
void ipe_unpack_initramfs(void);
#ifdef CONFIG_IPE_PROP_DM_VERITY
void ipe_bdev_free_security(struct block_device *bdev);
int ipe_bdev_setintegrity(struct block_device *bdev, enum lsm_integrity_type type,
const void *value, size_t len);
#endif /* CONFIG_IPE_PROP_DM_VERITY */
#ifdef CONFIG_IPE_PROP_FS_VERITY_BUILTIN_SIG
int ipe_inode_setintegrity(const struct inode *inode, enum lsm_integrity_type type,
const void *value, size_t size);
#endif /* CONFIG_IPE_PROP_FS_VERITY_BUILTIN_SIG */
#endif /* _IPE_HOOKS_H */
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