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 #include <linux/kexec.h>
15 struct linux_binprm;
16
17 #ifdef CONFIG_IMA
18 extern int ima_bprm_check(struct linux_binprm *bprm);
19 extern int ima_file_check(struct file *file, int mask, int opened);
20 extern void ima_file_free(struct file *file);
21 extern int ima_file_mmap(struct file *file, unsigned long prot);
22 extern int ima_read_file(struct file *file, enum kernel_read_file_id id);
23 extern int ima_post_read_file(struct file *file, void *buf, loff_t size,
24 enum kernel_read_file_id id);
25 extern void ima_post_path_mknod(struct dentry *dentry);
26
27 #ifdef CONFIG_IMA_KEXEC
28 extern void ima_add_kexec_buffer(struct kimage *image);
29 #endif
30
31 #else
ima_bprm_check(struct linux_binprm * bprm)32 static inline int ima_bprm_check(struct linux_binprm *bprm)
33 {
34 return 0;
35 }
36
ima_file_check(struct file * file,int mask,int opened)37 static inline int ima_file_check(struct file *file, int mask, int opened)
38 {
39 return 0;
40 }
41
ima_file_free(struct file * file)42 static inline void ima_file_free(struct file *file)
43 {
44 return;
45 }
46
ima_file_mmap(struct file * file,unsigned long prot)47 static inline int ima_file_mmap(struct file *file, unsigned long prot)
48 {
49 return 0;
50 }
51
ima_read_file(struct file * file,enum kernel_read_file_id id)52 static inline int ima_read_file(struct file *file, enum kernel_read_file_id id)
53 {
54 return 0;
55 }
56
ima_post_read_file(struct file * file,void * buf,loff_t size,enum kernel_read_file_id id)57 static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
58 enum kernel_read_file_id id)
59 {
60 return 0;
61 }
62
ima_post_path_mknod(struct dentry * dentry)63 static inline void ima_post_path_mknod(struct dentry *dentry)
64 {
65 return;
66 }
67
68 #endif /* CONFIG_IMA */
69
70 #ifndef CONFIG_IMA_KEXEC
71 struct kimage;
72
ima_add_kexec_buffer(struct kimage * image)73 static inline void ima_add_kexec_buffer(struct kimage *image)
74 {}
75 #endif
76
77 #ifdef CONFIG_IMA_APPRAISE
78 extern bool is_ima_appraise_enabled(void);
79 extern void ima_inode_post_setattr(struct dentry *dentry);
80 extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
81 const void *xattr_value, size_t xattr_value_len);
82 extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
83 #else
is_ima_appraise_enabled(void)84 static inline bool is_ima_appraise_enabled(void)
85 {
86 return 0;
87 }
88
ima_inode_post_setattr(struct dentry * dentry)89 static inline void ima_inode_post_setattr(struct dentry *dentry)
90 {
91 return;
92 }
93
ima_inode_setxattr(struct dentry * dentry,const char * xattr_name,const void * xattr_value,size_t xattr_value_len)94 static inline int ima_inode_setxattr(struct dentry *dentry,
95 const char *xattr_name,
96 const void *xattr_value,
97 size_t xattr_value_len)
98 {
99 return 0;
100 }
101
ima_inode_removexattr(struct dentry * dentry,const char * xattr_name)102 static inline int ima_inode_removexattr(struct dentry *dentry,
103 const char *xattr_name)
104 {
105 return 0;
106 }
107 #endif /* CONFIG_IMA_APPRAISE */
108 #endif /* _LINUX_IMA_H */
109