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kernel/linux-rt-4.4.41/security/apparmor/include/apparmorfs.h 2.63 KB
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  /*
   * AppArmor security module
   *
   * This file contains AppArmor filesystem definitions.
   *
   * Copyright (C) 1998-2008 Novell/SUSE
   * Copyright 2009-2010 Canonical Ltd.
   *
   * 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 __AA_APPARMORFS_H
  #define __AA_APPARMORFS_H
  
  enum aa_fs_type {
  	AA_FS_TYPE_BOOLEAN,
  	AA_FS_TYPE_STRING,
  	AA_FS_TYPE_U64,
  	AA_FS_TYPE_FOPS,
  	AA_FS_TYPE_DIR,
  };
  
  struct aa_fs_entry;
  
  struct aa_fs_entry {
  	const char *name;
  	struct dentry *dentry;
  	umode_t mode;
  	enum aa_fs_type v_type;
  	union {
  		bool boolean;
  		char *string;
  		unsigned long u64;
  		struct aa_fs_entry *files;
  	} v;
  	const struct file_operations *file_ops;
  };
  
  extern const struct file_operations aa_fs_seq_file_ops;
  
  #define AA_FS_FILE_BOOLEAN(_name, _value) \
  	{ .name = (_name), .mode = 0444, \
  	  .v_type = AA_FS_TYPE_BOOLEAN, .v.boolean = (_value), \
  	  .file_ops = &aa_fs_seq_file_ops }
  #define AA_FS_FILE_STRING(_name, _value) \
  	{ .name = (_name), .mode = 0444, \
  	  .v_type = AA_FS_TYPE_STRING, .v.string = (_value), \
  	  .file_ops = &aa_fs_seq_file_ops }
  #define AA_FS_FILE_U64(_name, _value) \
  	{ .name = (_name), .mode = 0444, \
  	  .v_type = AA_FS_TYPE_U64, .v.u64 = (_value), \
  	  .file_ops = &aa_fs_seq_file_ops }
  #define AA_FS_FILE_FOPS(_name, _mode, _fops) \
  	{ .name = (_name), .v_type = AA_FS_TYPE_FOPS, \
  	  .mode = (_mode), .file_ops = (_fops) }
  #define AA_FS_DIR(_name, _value) \
  	{ .name = (_name), .v_type = AA_FS_TYPE_DIR, .v.files = (_value) }
  
  extern void __init aa_destroy_aafs(void);
  
  struct aa_profile;
  struct aa_namespace;
  
  enum aafs_ns_type {
  	AAFS_NS_DIR,
  	AAFS_NS_PROFS,
  	AAFS_NS_NS,
  	AAFS_NS_COUNT,
  	AAFS_NS_MAX_COUNT,
  	AAFS_NS_SIZE,
  	AAFS_NS_MAX_SIZE,
  	AAFS_NS_OWNER,
  	AAFS_NS_SIZEOF,
  };
  
  enum aafs_prof_type {
  	AAFS_PROF_DIR,
  	AAFS_PROF_PROFS,
  	AAFS_PROF_NAME,
  	AAFS_PROF_MODE,
  	AAFS_PROF_ATTACH,
  	AAFS_PROF_HASH,
  	AAFS_PROF_SIZEOF,
  };
  
  #define ns_dir(X) ((X)->dents[AAFS_NS_DIR])
  #define ns_subns_dir(X) ((X)->dents[AAFS_NS_NS])
  #define ns_subprofs_dir(X) ((X)->dents[AAFS_NS_PROFS])
  
  #define prof_dir(X) ((X)->dents[AAFS_PROF_DIR])
  #define prof_child_dir(X) ((X)->dents[AAFS_PROF_PROFS])
  
  void __aa_fs_profile_rmdir(struct aa_profile *profile);
  void __aa_fs_profile_migrate_dents(struct aa_profile *old,
  				   struct aa_profile *new);
  int __aa_fs_profile_mkdir(struct aa_profile *profile, struct dentry *parent);
  void __aa_fs_namespace_rmdir(struct aa_namespace *ns);
  int __aa_fs_namespace_mkdir(struct aa_namespace *ns, struct dentry *parent,
  			    const char *name);
  
  #endif /* __AA_APPARMORFS_H */