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