Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
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/security.h>
15#include <linux/kexec.h>
16struct linux_binprm;
17
18#ifdef CONFIG_IMA
19extern int ima_bprm_check(struct linux_binprm *bprm);
20extern int ima_file_check(struct file *file, int mask);
21extern void ima_file_free(struct file *file);
22extern int ima_file_mmap(struct file *file, unsigned long prot);
23extern int ima_load_data(enum kernel_load_data_id id);
24extern int ima_read_file(struct file *file, enum kernel_read_file_id id);
25extern int ima_post_read_file(struct file *file, void *buf, loff_t size,
26 enum kernel_read_file_id id);
27extern void ima_post_path_mknod(struct dentry *dentry);
28
29#ifdef CONFIG_IMA_KEXEC
30extern void ima_add_kexec_buffer(struct kimage *image);
31#endif
32
33#if defined(CONFIG_X86) && defined(CONFIG_EFI)
34extern bool arch_ima_get_secureboot(void);
35extern const char * const *arch_get_ima_policy(void);
36#else
37static inline bool arch_ima_get_secureboot(void)
38{
39 return false;
40}
41
42static inline const char * const *arch_get_ima_policy(void)
43{
44 return NULL;
45}
46#endif
47
48#else
49static inline int ima_bprm_check(struct linux_binprm *bprm)
50{
51 return 0;
52}
53
54static inline int ima_file_check(struct file *file, int mask)
55{
56 return 0;
57}
58
59static inline void ima_file_free(struct file *file)
60{
61 return;
62}
63
64static inline int ima_file_mmap(struct file *file, unsigned long prot)
65{
66 return 0;
67}
68
69static inline int ima_load_data(enum kernel_load_data_id id)
70{
71 return 0;
72}
73
74static inline int ima_read_file(struct file *file, enum kernel_read_file_id id)
75{
76 return 0;
77}
78
79static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
80 enum kernel_read_file_id id)
81{
82 return 0;
83}
84
85static inline void ima_post_path_mknod(struct dentry *dentry)
86{
87 return;
88}
89
90#endif /* CONFIG_IMA */
91
92#ifndef CONFIG_IMA_KEXEC
93struct kimage;
94
95static inline void ima_add_kexec_buffer(struct kimage *image)
96{}
97#endif
98
99#ifdef CONFIG_IMA_APPRAISE
100extern bool is_ima_appraise_enabled(void);
101extern void ima_inode_post_setattr(struct dentry *dentry);
102extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
103 const void *xattr_value, size_t xattr_value_len);
104extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
105#else
106static inline bool is_ima_appraise_enabled(void)
107{
108 return 0;
109}
110
111static inline void ima_inode_post_setattr(struct dentry *dentry)
112{
113 return;
114}
115
116static inline int ima_inode_setxattr(struct dentry *dentry,
117 const char *xattr_name,
118 const void *xattr_value,
119 size_t xattr_value_len)
120{
121 return 0;
122}
123
124static inline int ima_inode_removexattr(struct dentry *dentry,
125 const char *xattr_name)
126{
127 return 0;
128}
129#endif /* CONFIG_IMA_APPRAISE */
130#endif /* _LINUX_IMA_H */