Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2008 IBM Corporation
4 * Author: Mimi Zohar <zohar@us.ibm.com>
5 */
6
7#ifndef _LINUX_IMA_H
8#define _LINUX_IMA_H
9
10#include <linux/fs.h>
11#include <linux/security.h>
12#include <linux/kexec.h>
13struct linux_binprm;
14
15#ifdef CONFIG_IMA
16extern int ima_bprm_check(struct linux_binprm *bprm);
17extern int ima_file_check(struct file *file, int mask);
18extern void ima_post_create_tmpfile(struct inode *inode);
19extern void ima_file_free(struct file *file);
20extern int ima_file_mmap(struct file *file, unsigned long prot);
21extern int ima_load_data(enum kernel_load_data_id id);
22extern int ima_read_file(struct file *file, enum kernel_read_file_id id);
23extern int ima_post_read_file(struct file *file, void *buf, loff_t size,
24 enum kernel_read_file_id id);
25extern void ima_post_path_mknod(struct dentry *dentry);
26
27#ifdef CONFIG_IMA_KEXEC
28extern void ima_add_kexec_buffer(struct kimage *image);
29#endif
30
31#if (defined(CONFIG_X86) && defined(CONFIG_EFI)) || defined(CONFIG_S390)
32extern bool arch_ima_get_secureboot(void);
33extern const char * const *arch_get_ima_policy(void);
34#else
35static inline bool arch_ima_get_secureboot(void)
36{
37 return false;
38}
39
40static inline const char * const *arch_get_ima_policy(void)
41{
42 return NULL;
43}
44#endif
45
46#else
47static inline int ima_bprm_check(struct linux_binprm *bprm)
48{
49 return 0;
50}
51
52static inline int ima_file_check(struct file *file, int mask)
53{
54 return 0;
55}
56
57static inline void ima_post_create_tmpfile(struct inode *inode)
58{
59}
60
61static inline void ima_file_free(struct file *file)
62{
63 return;
64}
65
66static inline int ima_file_mmap(struct file *file, unsigned long prot)
67{
68 return 0;
69}
70
71static inline int ima_load_data(enum kernel_load_data_id id)
72{
73 return 0;
74}
75
76static inline int ima_read_file(struct file *file, enum kernel_read_file_id id)
77{
78 return 0;
79}
80
81static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
82 enum kernel_read_file_id id)
83{
84 return 0;
85}
86
87static inline void ima_post_path_mknod(struct dentry *dentry)
88{
89 return;
90}
91
92#endif /* CONFIG_IMA */
93
94#ifndef CONFIG_IMA_KEXEC
95struct kimage;
96
97static inline void ima_add_kexec_buffer(struct kimage *image)
98{}
99#endif
100
101#ifdef CONFIG_IMA_APPRAISE
102extern bool is_ima_appraise_enabled(void);
103extern void ima_inode_post_setattr(struct dentry *dentry);
104extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
105 const void *xattr_value, size_t xattr_value_len);
106extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
107#else
108static inline bool is_ima_appraise_enabled(void)
109{
110 return 0;
111}
112
113static inline void ima_inode_post_setattr(struct dentry *dentry)
114{
115 return;
116}
117
118static inline int ima_inode_setxattr(struct dentry *dentry,
119 const char *xattr_name,
120 const void *xattr_value,
121 size_t xattr_value_len)
122{
123 return 0;
124}
125
126static inline int ima_inode_removexattr(struct dentry *dentry,
127 const char *xattr_name)
128{
129 return 0;
130}
131#endif /* CONFIG_IMA_APPRAISE */
132#endif /* _LINUX_IMA_H */