xref: /openbmc/linux/include/linux/ima.h (revision a8fe58ce)
1 /*
2  * Copyright (C) 2008 IBM Corporation
3  * Author: Mimi Zohar <zohar@us.ibm.com>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation, version 2 of the License.
8  */
9 
10 #ifndef _LINUX_IMA_H
11 #define _LINUX_IMA_H
12 
13 #include <linux/fs.h>
14 struct linux_binprm;
15 
16 #ifdef CONFIG_IMA
17 extern int ima_bprm_check(struct linux_binprm *bprm);
18 extern int ima_file_check(struct file *file, int mask, int opened);
19 extern void ima_file_free(struct file *file);
20 extern int ima_file_mmap(struct file *file, unsigned long prot);
21 extern int ima_module_check(struct file *file);
22 extern int ima_fw_from_file(struct file *file, char *buf, size_t size);
23 
24 #else
25 static inline int ima_bprm_check(struct linux_binprm *bprm)
26 {
27 	return 0;
28 }
29 
30 static inline int ima_file_check(struct file *file, int mask, int opened)
31 {
32 	return 0;
33 }
34 
35 static inline void ima_file_free(struct file *file)
36 {
37 	return;
38 }
39 
40 static inline int ima_file_mmap(struct file *file, unsigned long prot)
41 {
42 	return 0;
43 }
44 
45 static inline int ima_module_check(struct file *file)
46 {
47 	return 0;
48 }
49 
50 static inline int ima_fw_from_file(struct file *file, char *buf, size_t size)
51 {
52 	return 0;
53 }
54 
55 #endif /* CONFIG_IMA */
56 
57 #ifdef CONFIG_IMA_APPRAISE
58 extern void ima_inode_post_setattr(struct dentry *dentry);
59 extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
60 		       const void *xattr_value, size_t xattr_value_len);
61 extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
62 #else
63 static inline void ima_inode_post_setattr(struct dentry *dentry)
64 {
65 	return;
66 }
67 
68 static inline int ima_inode_setxattr(struct dentry *dentry,
69 				     const char *xattr_name,
70 				     const void *xattr_value,
71 				     size_t xattr_value_len)
72 {
73 	return 0;
74 }
75 
76 static inline int ima_inode_removexattr(struct dentry *dentry,
77 					const char *xattr_name)
78 {
79 	return 0;
80 }
81 #endif /* CONFIG_IMA_APPRAISE */
82 #endif /* _LINUX_IMA_H */
83