root/include/linux/ima.h

INCLUDED FROM

DEFINITIONS

1. arch_ima_get_secureboot
2. arch_get_ima_policy
3. ima_bprm_check
4. ima_file_check
5. ima_post_create_tmpfile
6. ima_file_free
7. ima_file_mmap
8. ima_load_data
9. ima_read_file
10. ima_post_read_file
11. ima_post_path_mknod
12. ima_kexec_cmdline
13. ima_add_kexec_buffer
14. is_ima_appraise_enabled
15. ima_inode_post_setattr
16. ima_inode_setxattr
17. ima_inode_removexattr
18. ima_appraise_signature

   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>
  13 struct linux_binprm;
  14 
  15 #ifdef CONFIG_IMA
  16 extern int ima_bprm_check(struct linux_binprm *bprm);
  17 extern int ima_file_check(struct file *file, int mask);
  18 extern void ima_post_create_tmpfile(struct inode *inode);
  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_load_data(enum kernel_load_data_id id);
  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 extern void ima_kexec_cmdline(const void *buf, int size);
  27 
  28 #ifdef CONFIG_IMA_KEXEC
  29 extern void ima_add_kexec_buffer(struct kimage *image);
  30 #endif
  31 
  32 #if (defined(CONFIG_X86) && defined(CONFIG_EFI)) || defined(CONFIG_S390)
  33 extern bool arch_ima_get_secureboot(void);
  34 extern const char * const *arch_get_ima_policy(void);
  35 #else
  36 static inline bool arch_ima_get_secureboot(void)
  37 {
  38         return false;
  39 }
  40 
  41 static inline const char * const *arch_get_ima_policy(void)
  42 {
  43         return NULL;
  44 }
  45 #endif
  46 
  47 #else
  48 static inline int ima_bprm_check(struct linux_binprm *bprm)
  49 {
  50         return 0;
  51 }
  52 
  53 static inline int ima_file_check(struct file *file, int mask)
  54 {
  55         return 0;
  56 }
  57 
  58 static inline void ima_post_create_tmpfile(struct inode *inode)
  59 {
  60 }
  61 
  62 static inline void ima_file_free(struct file *file)
  63 {
  64         return;
  65 }
  66 
  67 static inline int ima_file_mmap(struct file *file, unsigned long prot)
  68 {
  69         return 0;
  70 }
  71 
  72 static inline int ima_load_data(enum kernel_load_data_id id)
  73 {
  74         return 0;
  75 }
  76 
  77 static inline int ima_read_file(struct file *file, enum kernel_read_file_id id)
  78 {
  79         return 0;
  80 }
  81 
  82 static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
  83                                      enum kernel_read_file_id id)
  84 {
  85         return 0;
  86 }
  87 
  88 static inline void ima_post_path_mknod(struct dentry *dentry)
  89 {
  90         return;
  91 }
  92 
  93 static inline void ima_kexec_cmdline(const void *buf, int size) {}
  94 #endif /* CONFIG_IMA */
  95 
  96 #ifndef CONFIG_IMA_KEXEC
  97 struct kimage;
  98 
  99 static inline void ima_add_kexec_buffer(struct kimage *image)
 100 {}
 101 #endif
 102 
 103 #ifdef CONFIG_IMA_APPRAISE
 104 extern bool is_ima_appraise_enabled(void);
 105 extern void ima_inode_post_setattr(struct dentry *dentry);
 106 extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
 107                        const void *xattr_value, size_t xattr_value_len);
 108 extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
 109 #else
 110 static inline bool is_ima_appraise_enabled(void)
 111 {
 112         return 0;
 113 }
 114 
 115 static inline void ima_inode_post_setattr(struct dentry *dentry)
 116 {
 117         return;
 118 }
 119 
 120 static inline int ima_inode_setxattr(struct dentry *dentry,
 121                                      const char *xattr_name,
 122                                      const void *xattr_value,
 123                                      size_t xattr_value_len)
 124 {
 125         return 0;
 126 }
 127 
 128 static inline int ima_inode_removexattr(struct dentry *dentry,
 129                                         const char *xattr_name)
 130 {
 131         return 0;
 132 }
 133 #endif /* CONFIG_IMA_APPRAISE */
 134 
 135 #if defined(CONFIG_IMA_APPRAISE) && defined(CONFIG_INTEGRITY_TRUSTED_KEYRING)
 136 extern bool ima_appraise_signature(enum kernel_read_file_id func);
 137 #else
 138 static inline bool ima_appraise_signature(enum kernel_read_file_id func)
 139 {
 140         return false;
 141 }
 142 #endif /* CONFIG_IMA_APPRAISE && CONFIG_INTEGRITY_TRUSTED_KEYRING */
 143 #endif /* _LINUX_IMA_H */