linux/security/integrity/iint.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2008 IBM Corporation
 *
 * Authors:
 * Mimi Zohar <[email protected]>
 *
 * File: integrity_iint.c
 *	- initialize the integrity directory in securityfs
 *	- load IMA and EVM keys
 */
#include <linux/security.h>
#include "integrity.h"

struct dentry *integrity_dir;

/*
 * integrity_kernel_read - read data from the file
 *
 * This is a function for reading file content instead of kernel_read().
 * It does not perform locking checks to ensure it cannot be blocked.
 * It does not perform security checks because it is irrelevant for IMA.
 *
 */
int integrity_kernel_read(struct file *file, loff_t offset,
			  void *addr, unsigned long count)
{ … }

/*
 * integrity_load_keys - load integrity keys hook
 *
 * Hooks is called from init/main.c:kernel_init_freeable()
 * when rootfs is ready
 */
void __init integrity_load_keys(void)
{ … }

static int __init integrity_fs_init(void)
{ … }

late_initcall(…) …