1/*
2 * AppArmor security module
3 *
4 * This file contains AppArmor filesystem definitions.
5 *
6 * Copyright (C) 1998-2008 Novell/SUSE
7 * Copyright 2009-2010 Canonical Ltd.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2 of the
12 * License.
13 */
14
15#ifndef __AA_APPARMORFS_H
16#define __AA_APPARMORFS_H
17
18enum aa_fs_type {
19	AA_FS_TYPE_BOOLEAN,
20	AA_FS_TYPE_STRING,
21	AA_FS_TYPE_U64,
22	AA_FS_TYPE_FOPS,
23	AA_FS_TYPE_DIR,
24};
25
26struct aa_fs_entry;
27
28struct aa_fs_entry {
29	const char *name;
30	struct dentry *dentry;
31	umode_t mode;
32	enum aa_fs_type v_type;
33	union {
34		bool boolean;
35		char *string;
36		unsigned long u64;
37		struct aa_fs_entry *files;
38	} v;
39	const struct file_operations *file_ops;
40};
41
42extern const struct file_operations aa_fs_seq_file_ops;
43
44#define AA_FS_FILE_BOOLEAN(_name, _value) \
45	{ .name = (_name), .mode = 0444, \
46	  .v_type = AA_FS_TYPE_BOOLEAN, .v.boolean = (_value), \
47	  .file_ops = &aa_fs_seq_file_ops }
48#define AA_FS_FILE_STRING(_name, _value) \
49	{ .name = (_name), .mode = 0444, \
50	  .v_type = AA_FS_TYPE_STRING, .v.string = (_value), \
51	  .file_ops = &aa_fs_seq_file_ops }
52#define AA_FS_FILE_U64(_name, _value) \
53	{ .name = (_name), .mode = 0444, \
54	  .v_type = AA_FS_TYPE_U64, .v.u64 = (_value), \
55	  .file_ops = &aa_fs_seq_file_ops }
56#define AA_FS_FILE_FOPS(_name, _mode, _fops) \
57	{ .name = (_name), .v_type = AA_FS_TYPE_FOPS, \
58	  .mode = (_mode), .file_ops = (_fops) }
59#define AA_FS_DIR(_name, _value) \
60	{ .name = (_name), .v_type = AA_FS_TYPE_DIR, .v.files = (_value) }
61
62extern void __init aa_destroy_aafs(void);
63
64struct aa_profile;
65struct aa_namespace;
66
67enum aafs_ns_type {
68	AAFS_NS_DIR,
69	AAFS_NS_PROFS,
70	AAFS_NS_NS,
71	AAFS_NS_COUNT,
72	AAFS_NS_MAX_COUNT,
73	AAFS_NS_SIZE,
74	AAFS_NS_MAX_SIZE,
75	AAFS_NS_OWNER,
76	AAFS_NS_SIZEOF,
77};
78
79enum aafs_prof_type {
80	AAFS_PROF_DIR,
81	AAFS_PROF_PROFS,
82	AAFS_PROF_NAME,
83	AAFS_PROF_MODE,
84	AAFS_PROF_ATTACH,
85	AAFS_PROF_HASH,
86	AAFS_PROF_SIZEOF,
87};
88
89#define ns_dir(X) ((X)->dents[AAFS_NS_DIR])
90#define ns_subns_dir(X) ((X)->dents[AAFS_NS_NS])
91#define ns_subprofs_dir(X) ((X)->dents[AAFS_NS_PROFS])
92
93#define prof_dir(X) ((X)->dents[AAFS_PROF_DIR])
94#define prof_child_dir(X) ((X)->dents[AAFS_PROF_PROFS])
95
96void __aa_fs_profile_rmdir(struct aa_profile *profile);
97void __aa_fs_profile_migrate_dents(struct aa_profile *old,
98				   struct aa_profile *new);
99int __aa_fs_profile_mkdir(struct aa_profile *profile, struct dentry *parent);
100void __aa_fs_namespace_rmdir(struct aa_namespace *ns);
101int __aa_fs_namespace_mkdir(struct aa_namespace *ns, struct dentry *parent,
102			    const char *name);
103
104#endif /* __AA_APPARMORFS_H */
105