2 * Copyright (C) 2009-2010 IBM Corporation
5 * Mimi Zohar <zohar@us.ibm.com>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation, version 2 of the
14 #include <linux/types.h>
15 #include <linux/integrity.h>
16 #include <crypto/sha.h>
18 /* iint cache flags */
19 #define IMA_MEASURED 0x01
21 enum evm_ima_xattr_type
{
22 IMA_XATTR_DIGEST
= 0x01,
27 struct evm_ima_xattr_data
{
29 u8 digest
[SHA1_DIGEST_SIZE
];
30 } __attribute__((packed
));
32 /* integrity data associated with an inode */
33 struct integrity_iint_cache
{
34 struct rb_node rb_node
; /* rooted in integrity_iint_tree */
35 struct inode
*inode
; /* back pointer to inode in question */
36 u64 version
; /* track inode changes */
38 u8 digest
[SHA1_DIGEST_SIZE
];
39 struct mutex mutex
; /* protects: version, flags, digest */
40 enum integrity_status evm_status
;
43 /* rbtree tree calls to lookup, insert, delete
44 * integrity data associated with an inode.
46 struct integrity_iint_cache
*integrity_iint_insert(struct inode
*inode
);
47 struct integrity_iint_cache
*integrity_iint_find(struct inode
*inode
);