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 extern void ima_post_path_mknod(struct dentry *dentry);
  25
  26 #else
  27 static inline int ima_bprm_check(struct linux_binprm *bprm)
  28 {
  29         return 0;
  30 }
  31
  32 static inline int ima_file_check(struct file *file, int mask, int opened)
  33 {
  34         return 0;
  35 }
  36
  37 static inline void ima_file_free(struct file *file)
  38 {
  39         return;
  40 }
  41
  42 static inline int ima_file_mmap(struct file *file, unsigned long prot)
  43 {
  44         return 0;
  45 }
  46
  47 static inline int ima_read_file(struct file *file, enum kernel_read_file_id id)
  48 {
  49         return 0;
  50 }
  51
  52 static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
  53                                      enum kernel_read_file_id id)
  54 {
  55         return 0;
  56 }
  57
  58 static inline void ima_post_path_mknod(struct dentry *dentry)
  59 {
  60         return;
  61 }
  62
  63 #endif /* CONFIG_IMA */
  64
  65 #ifdef CONFIG_IMA_APPRAISE
  66 extern void ima_inode_post_setattr(struct dentry *dentry);
  67 extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
  68                        const void *xattr_value, size_t xattr_value_len);
  69 extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
  70 #else
  71 static inline void ima_inode_post_setattr(struct dentry *dentry)
  72 {
  73         return;
  74 }
  75
  76 static inline int ima_inode_setxattr(struct dentry *dentry,
  77                                      const char *xattr_name,
  78                                      const void *xattr_value,
  79                                      size_t xattr_value_len)
  80 {
  81         return 0;
  82 }
  83
  84 static inline int ima_inode_removexattr(struct dentry *dentry,
  85                                         const char *xattr_name)
  86 {
  87         return 0;
  88 }
  89 #endif /* CONFIG_IMA_APPRAISE */
  90 #endif /* _LINUX_IMA_H */