LXR linux/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>
  14struct linux_binprm;
  15
  16#ifdef CONFIG_IMA
  17extern int ima_bprm_check(struct linux_binprm *bprm);
  18extern int ima_file_check(struct file *file, int mask, int opened);
  19extern void ima_file_free(struct file *file);
  20extern int ima_file_mmap(struct file *file, unsigned long prot);
  21extern int ima_read_file(struct file *file, enum kernel_read_file_id id);
  22extern int ima_post_read_file(struct file *file, void *buf, loff_t size,
  23                              enum kernel_read_file_id id);
  24
  25#else
  26static inline int ima_bprm_check(struct linux_binprm *bprm)
  27{
  28        return 0;
  29}
  30
  31static inline int ima_file_check(struct file *file, int mask, int opened)
  32{
  33        return 0;
  34}
  35
  36static inline void ima_file_free(struct file *file)
  37{
  38        return;
  39}
  40
  41static inline int ima_file_mmap(struct file *file, unsigned long prot)
  42{
  43        return 0;
  44}
  45
  46static inline int ima_read_file(struct file *file, enum kernel_read_file_id id)
  47{
  48        return 0;
  49}
  50
  51static 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
  60extern void ima_inode_post_setattr(struct dentry *dentry);
  61extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
  62                       const void *xattr_value, size_t xattr_value_len);
  63extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
  64#else
  65static inline void ima_inode_post_setattr(struct dentry *dentry)
  66{
  67        return;
  68}
  69
  70static 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
  78static 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 */
  85