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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> |
12 | #include <linux/xattr.h> |
13 | |
14 | struct integrity_iint_cache; |
15 | |
16 | #ifdef CONFIG_EVM |
17 | extern enum integrity_status evm_verifyxattr(struct dentry *dentry, |
18 | const char *xattr_name, |
19 | void *xattr_value, |
20 | size_t xattr_value_len, |
21 | struct integrity_iint_cache *iint); |
22 | extern int evm_inode_setattr(struct dentry *dentry, struct iattr *attr); |
23 | extern void evm_inode_post_setattr(struct dentry *dentry, int ia_valid); |
24 | extern int evm_inode_setxattr(struct dentry *dentry, const char *name, |
25 | const void *value, size_t size); |
26 | extern void evm_inode_post_setxattr(struct dentry *dentry, |
27 | const char *xattr_name, |
28 | const void *xattr_value, |
29 | size_t xattr_value_len); |
30 | extern int evm_inode_removexattr(struct dentry *dentry, const char *xattr_name); |
31 | extern void evm_inode_post_removexattr(struct dentry *dentry, |
32 | const char *xattr_name); |
33 | extern int evm_inode_init_security(struct inode *inode, |
34 | const struct xattr *xattr_array, |
35 | struct xattr *evm); |
36 | #ifdef CONFIG_FS_POSIX_ACL |
37 | extern int posix_xattr_acl(const char *xattrname); |
38 | #else |
39 | static inline int posix_xattr_acl(const char *xattrname) |
40 | { |
41 | return 0; |
42 | } |
43 | #endif |
44 | #else |
45 | #ifdef CONFIG_INTEGRITY |
46 | static inline enum integrity_status evm_verifyxattr(struct dentry *dentry, |
47 | const char *xattr_name, |
48 | void *xattr_value, |
49 | size_t xattr_value_len, |
50 | struct integrity_iint_cache *iint) |
51 | { |
52 | return INTEGRITY_UNKNOWN; |
53 | } |
54 | #endif |
55 | |
56 | static inline int evm_inode_setattr(struct dentry *dentry, struct iattr *attr) |
57 | { |
58 | return 0; |
59 | } |
60 | |
61 | static inline void evm_inode_post_setattr(struct dentry *dentry, int ia_valid) |
62 | { |
63 | return; |
64 | } |
65 | |
66 | static inline int evm_inode_setxattr(struct dentry *dentry, const char *name, |
67 | const void *value, size_t size) |
68 | { |
69 | return 0; |
70 | } |
71 | |
72 | static inline void evm_inode_post_setxattr(struct dentry *dentry, |
73 | const char *xattr_name, |
74 | const void *xattr_value, |
75 | size_t xattr_value_len) |
76 | { |
77 | return; |
78 | } |
79 | |
80 | static inline int evm_inode_removexattr(struct dentry *dentry, |
81 | const char *xattr_name) |
82 | { |
83 | return 0; |
84 | } |
85 | |
86 | static inline void evm_inode_post_removexattr(struct dentry *dentry, |
87 | const char *xattr_name) |
88 | { |
89 | return; |
90 | } |
91 | |
92 | static inline int evm_inode_init_security(struct inode *inode, |
93 | const struct xattr *xattr_array, |
94 | struct xattr *evm) |
95 | { |
96 | return 0; |
97 | } |
98 | |
99 | #endif /* CONFIG_EVM_H */ |
100 | #endif /* LINUX_EVM_H */ |
101 |
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