include/linux/ima.h

   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_read_file(struct file *file, enum kernel_read_file_id id);
  22 extern int ima_post_read_file(struct file *file, void *buf, loff_t size,
  23                               enum kernel_read_file_id id);
  24
  25 #else
  26 static inline int ima_bprm_check(struct linux_binprm *bprm)
  27 {
  28         return 0;
  29 }
  30
  31 static inline int ima_file_check(struct file *file, int mask, int opened)
  32 {
  33         return 0;
  34 }
  35
  36 static inline void ima_file_free(struct file *file)
  37 {
  38         return;
  39 }
  40
  41 static inline int ima_file_mmap(struct file *file, unsigned long prot)
  42 {
  43         return 0;
  44 }
  45
  46 static inline int ima_read_file(struct file *file, enum kernel_read_file_id id)
  47 {
  48         return 0;
  49 }
  50
  51 static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
  52                                      enum kernel_read_file_id id)
  53 {
  54         return 0;
  55 }
  56
  57 #endif /* CONFIG_IMA */
  58
  59 #ifdef CONFIG_IMA_APPRAISE
  60 extern void ima_inode_post_setattr(struct dentry *dentry);
  61 extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
  62                        const void *xattr_value, size_t xattr_value_len);
  63 extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
  64 #else
  65 static inline void ima_inode_post_setattr(struct dentry *dentry)
  66 {
  67         return;
  68 }
  69
  70 static inline int ima_inode_setxattr(struct dentry *dentry,
  71                                      const char *xattr_name,
  72                                      const void *xattr_value,
  73                                      size_t xattr_value_len)
  74 {
  75         return 0;
  76 }
  77
  78 static inline int ima_inode_removexattr(struct dentry *dentry,
  79                                         const char *xattr_name)
  80 {
  81         return 0;
  82 }
  83 #endif /* CONFIG_IMA_APPRAISE */
  84 #endif /* _LINUX_IMA_H */