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>
  14#include <linux/kexec.h>
  15struct linux_binprm;
  16
  17#ifdef CONFIG_IMA
  18extern int ima_bprm_check(struct linux_binprm *bprm);
  19extern int ima_file_check(struct file *file, int mask, int opened);
  20extern void ima_file_free(struct file *file);
  21extern int ima_file_mmap(struct file *file, unsigned long prot);
  22extern int ima_read_file(struct file *file, enum kernel_read_file_id id);
  23extern int ima_post_read_file(struct file *file, void *buf, loff_t size,
  24                              enum kernel_read_file_id id);
  25extern void ima_post_path_mknod(struct dentry *dentry);
  26
  27#ifdef CONFIG_IMA_KEXEC
  28extern void ima_add_kexec_buffer(struct kimage *image);
  29#endif
  30
  31#else
  32static inline int ima_bprm_check(struct linux_binprm *bprm)
  33{
  34        return 0;
  35}
  36
  37static inline int ima_file_check(struct file *file, int mask, int opened)
  38{
  39        return 0;
  40}
  41
  42static inline void ima_file_free(struct file *file)
  43{
  44        return;
  45}
  46
  47static inline int ima_file_mmap(struct file *file, unsigned long prot)
  48{
  49        return 0;
  50}
  51
  52static inline int ima_read_file(struct file *file, enum kernel_read_file_id id)
  53{
  54        return 0;
  55}
  56
  57static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
  58                                     enum kernel_read_file_id id)
  59{
  60        return 0;
  61}
  62
  63static inline void ima_post_path_mknod(struct dentry *dentry)
  64{
  65        return;
  66}
  67
  68#endif /* CONFIG_IMA */
  69
  70#ifndef CONFIG_IMA_KEXEC
  71struct kimage;
  72
  73static inline void ima_add_kexec_buffer(struct kimage *image)
  74{}
  75#endif
  76
  77#ifdef CONFIG_IMA_APPRAISE
  78extern void ima_inode_post_setattr(struct dentry *dentry);
  79extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
  80                       const void *xattr_value, size_t xattr_value_len);
  81extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
  82#else
  83static inline void ima_inode_post_setattr(struct dentry *dentry)
  84{
  85        return;
  86}
  87
  88static inline int ima_inode_setxattr(struct dentry *dentry,
  89                                     const char *xattr_name,
  90                                     const void *xattr_value,
  91                                     size_t xattr_value_len)
  92{
  93        return 0;
  94}
  95
  96static inline int ima_inode_removexattr(struct dentry *dentry,
  97                                        const char *xattr_name)
  98{
  99        return 0;
 100}
 101#endif /* CONFIG_IMA_APPRAISE */
 102#endif /* _LINUX_IMA_H */
 103