Eric Lee / smarc-fsl-linux-kernel

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include/linux/ima.h 2.53 KB
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81f7e3824   Eric Lee   Initial Release, ... 
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  /*
   * Copyright (C) 2008 IBM Corporation
   * Author: Mimi Zohar <zohar@us.ibm.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, version 2 of the License.
   */
  
  #ifndef _LINUX_IMA_H
  #define _LINUX_IMA_H
  
  #include <linux/fs.h>
  #include <linux/kexec.h>
  struct linux_binprm;
  
  #ifdef CONFIG_IMA
  extern int ima_bprm_check(struct linux_binprm *bprm);
  extern int ima_file_check(struct file *file, int mask, int opened);
  extern void ima_file_free(struct file *file);
  extern int ima_file_mmap(struct file *file, unsigned long prot);
  extern int ima_read_file(struct file *file, enum kernel_read_file_id id);
  extern int ima_post_read_file(struct file *file, void *buf, loff_t size,
  			      enum kernel_read_file_id id);
  extern void ima_post_path_mknod(struct dentry *dentry);
  
  #ifdef CONFIG_IMA_KEXEC
  extern void ima_add_kexec_buffer(struct kimage *image);
  #endif
  
  #else
  static inline int ima_bprm_check(struct linux_binprm *bprm)
  {
  	return 0;
  }
  
  static inline int ima_file_check(struct file *file, int mask, int opened)
  {
  	return 0;
  }
  
  static inline void ima_file_free(struct file *file)
  {
  	return;
  }
  
  static inline int ima_file_mmap(struct file *file, unsigned long prot)
  {
  	return 0;
  }
  
  static inline int ima_read_file(struct file *file, enum kernel_read_file_id id)
  {
  	return 0;
  }
  
  static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
  				     enum kernel_read_file_id id)
  {
  	return 0;
  }
  
  static inline void ima_post_path_mknod(struct dentry *dentry)
  {
  	return;
  }
  
  #endif /* CONFIG_IMA */
  
  #ifndef CONFIG_IMA_KEXEC
  struct kimage;
  
  static inline void ima_add_kexec_buffer(struct kimage *image)
  {}
  #endif
  
  #ifdef CONFIG_IMA_APPRAISE
  extern bool is_ima_appraise_enabled(void);
  extern void ima_inode_post_setattr(struct dentry *dentry);
  extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
  		       const void *xattr_value, size_t xattr_value_len);
  extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
  #else
  static inline bool is_ima_appraise_enabled(void)
  {
  	return 0;
  }
  
  static inline void ima_inode_post_setattr(struct dentry *dentry)
  {
  	return;
  }
  
  static inline int ima_inode_setxattr(struct dentry *dentry,
  				     const char *xattr_name,
  				     const void *xattr_value,
  				     size_t xattr_value_len)
  {
  	return 0;
  }
  
  static inline int ima_inode_removexattr(struct dentry *dentry,
  					const char *xattr_name)
  {
  	return 0;
  }
  #endif /* CONFIG_IMA_APPRAISE */
  #endif /* _LINUX_IMA_H */