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android-review.linaro.org / kernel / hikey-linaro / 5a4730ba9517cf2793175991243436a24b1db18f / . / include / linux / evm.h
blob: ea603c9e775df3426b28afc4ca3c76f726914ce0 [file] [log] [blame]
Mimi Zohar3e1be522011-03-09 14:38:26 -0500[diff] [blame]1/*
2 * evm.h
3 *
4 * Copyright (c) 2009 IBM Corporation
5 * Author: Mimi Zohar <zohar@us.ibm.com>
6 */
7
8#ifndef _LINUX_EVM_H
9#define _LINUX_EVM_H
10
11#include <linux/integrity.h>
Mimi Zoharcb7231802011-03-09 14:40:44 -0500[diff] [blame]12#include <linux/xattr.h>
Mimi Zohar3e1be522011-03-09 14:38:26 -0500[diff] [blame]13
Dmitry Kasatkin2960e6c2011-05-06 11:34:13 +0300[diff] [blame]14struct integrity_iint_cache;
15
Mimi Zohar3e1be522011-03-09 14:38:26 -0500[diff] [blame]16#ifdef CONFIG_EVM
17extern enum integrity_status evm_verifyxattr(struct dentry *dentry,
18 const char *xattr_name,
19 void *xattr_value,
Dmitry Kasatkin2960e6c2011-05-06 11:34:13 +0300[diff] [blame]20 size_t xattr_value_len,
21 struct integrity_iint_cache *iint);
Mimi Zohar817b54a2011-05-13 12:53:38 -0400[diff] [blame]22extern int evm_inode_setattr(struct dentry *dentry, struct iattr *attr);
Mimi Zohar975d2942011-03-09 14:39:57 -0500[diff] [blame]23extern void evm_inode_post_setattr(struct dentry *dentry, int ia_valid);
Mimi Zohar3e1be522011-03-09 14:38:26 -0500[diff] [blame]24extern int evm_inode_setxattr(struct dentry *dentry, const char *name,
25 const void *value, size_t size);
26extern void evm_inode_post_setxattr(struct dentry *dentry,
27 const char *xattr_name,
28 const void *xattr_value,
29 size_t xattr_value_len);
30extern int evm_inode_removexattr(struct dentry *dentry, const char *xattr_name);
Mimi Zoharc7b87de2011-03-09 14:39:18 -0500[diff] [blame]31extern void evm_inode_post_removexattr(struct dentry *dentry,
32 const char *xattr_name);
Mimi Zoharcb7231802011-03-09 14:40:44 -0500[diff] [blame]33extern int evm_inode_init_security(struct inode *inode,
34 const struct xattr *xattr_array,
35 struct xattr *evm);
Mimi Zohar3e1be522011-03-09 14:38:26 -0500[diff] [blame]36#else
37#ifdef CONFIG_INTEGRITY
38static inline enum integrity_status evm_verifyxattr(struct dentry *dentry,
39 const char *xattr_name,
40 void *xattr_value,
Dmitry Kasatkin2960e6c2011-05-06 11:34:13 +0300[diff] [blame]41 size_t xattr_value_len,
42 struct integrity_iint_cache *iint)
Mimi Zohar3e1be522011-03-09 14:38:26 -0500[diff] [blame]43{
44 return INTEGRITY_UNKNOWN;
45}
46#endif
47
Mimi Zohare1c9b232011-08-11 00:22:51 -0400[diff] [blame]48static inline int evm_inode_setattr(struct dentry *dentry, struct iattr *attr)
Mimi Zohar817b54a2011-05-13 12:53:38 -0400[diff] [blame]49{
50 return 0;
51}
52
Mimi Zohar975d2942011-03-09 14:39:57 -0500[diff] [blame]53static inline void evm_inode_post_setattr(struct dentry *dentry, int ia_valid)
54{
55 return;
56}
57
Mimi Zohar3e1be522011-03-09 14:38:26 -0500[diff] [blame]58static inline int evm_inode_setxattr(struct dentry *dentry, const char *name,
59 const void *value, size_t size)
60{
61 return 0;
62}
63
64static inline void evm_inode_post_setxattr(struct dentry *dentry,
65 const char *xattr_name,
66 const void *xattr_value,
67 size_t xattr_value_len)
68{
69 return;
70}
71
72static inline int evm_inode_removexattr(struct dentry *dentry,
73 const char *xattr_name)
74{
75 return 0;
76}
Mimi Zoharc7b87de2011-03-09 14:39:18 -0500[diff] [blame]77
78static inline void evm_inode_post_removexattr(struct dentry *dentry,
79 const char *xattr_name)
80{
81 return;
82}
83
Mimi Zoharcb7231802011-03-09 14:40:44 -0500[diff] [blame]84static inline int evm_inode_init_security(struct inode *inode,
85 const struct xattr *xattr_array,
86 struct xattr *evm)
87{
Mimi Zohar5a4730b2011-08-11 00:22:52 -0400[diff] [blame^]88 return 0;
Mimi Zoharcb7231802011-03-09 14:40:44 -0500[diff] [blame]89}
90
Mimi Zohar3e1be522011-03-09 14:38:26 -0500[diff] [blame]91#endif /* CONFIG_EVM_H */
92#endif /* LINUX_EVM_H */