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);
  24extern void ima_post_path_mknod(struct dentry *dentry);
  25
  26#else
  27static inline int ima_bprm_check(struct linux_binprm *bprm)
  28{
  29        return 0;
  30}
  31
  32static inline int ima_file_check(struct file *file, int mask, int opened)
  33{
  34        return 0;
  35}
  36
  37static inline void ima_file_free(struct file *file)
  38{
  39        return;
  40}
  41
  42static inline int ima_file_mmap(struct file *file, unsigned long prot)
  43{
  44        return 0;
  45}
  46
  47static inline int ima_read_file(struct file *file, enum kernel_read_file_id id)
  48{
  49        return 0;
  50}
  51
  52static 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
  58static inline void ima_post_path_mknod(struct dentry *dentry)
  59{
  60        return;
  61}
  62
  63#endif /* CONFIG_IMA */
  64
  65#ifdef CONFIG_IMA_APPRAISE
  66extern void ima_inode_post_setattr(struct dentry *dentry);
  67extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
  68                       const void *xattr_value, size_t xattr_value_len);
  69extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
  70#else
  71static inline void ima_inode_post_setattr(struct dentry *dentry)
  72{
  73        return;
  74}
  75
  76static 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
  84static 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 */
  91