get rid of insanity with namespace roots in tomoyo
[linux-2.6.git] / security / tomoyo / tomoyo.h
1 /*
2  * security/tomoyo/tomoyo.h
3  *
4  * Implementation of the Domain-Based Mandatory Access Control.
5  *
6  * Copyright (C) 2005-2009  NTT DATA CORPORATION
7  *
8  * Version: 2.2.0   2009/04/01
9  *
10  */
11
12 #ifndef _SECURITY_TOMOYO_TOMOYO_H
13 #define _SECURITY_TOMOYO_TOMOYO_H
14
15 struct tomoyo_path_info;
16 struct path;
17 struct inode;
18 struct linux_binprm;
19 struct pt_regs;
20
21 int tomoyo_check_exec_perm(struct tomoyo_domain_info *domain,
22                            const struct tomoyo_path_info *filename);
23 int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
24                                  struct path *path, const int flag);
25 int tomoyo_check_1path_perm(struct tomoyo_domain_info *domain,
26                             const u8 operation, struct path *path);
27 int tomoyo_check_2path_perm(struct tomoyo_domain_info *domain,
28                             const u8 operation, struct path *path1,
29                             struct path *path2);
30 int tomoyo_check_rewrite_permission(struct tomoyo_domain_info *domain,
31                                     struct file *filp);
32 int tomoyo_find_next_domain(struct linux_binprm *bprm);
33
34 /* Index numbers for Access Controls. */
35
36 #define TOMOYO_TYPE_SINGLE_PATH_ACL                 0
37 #define TOMOYO_TYPE_DOUBLE_PATH_ACL                 1
38
39 /* Index numbers for File Controls. */
40
41 /*
42  * TYPE_READ_WRITE_ACL is special. TYPE_READ_WRITE_ACL is automatically set
43  * if both TYPE_READ_ACL and TYPE_WRITE_ACL are set. Both TYPE_READ_ACL and
44  * TYPE_WRITE_ACL are automatically set if TYPE_READ_WRITE_ACL is set.
45  * TYPE_READ_WRITE_ACL is automatically cleared if either TYPE_READ_ACL or
46  * TYPE_WRITE_ACL is cleared. Both TYPE_READ_ACL and TYPE_WRITE_ACL are
47  * automatically cleared if TYPE_READ_WRITE_ACL is cleared.
48  */
49
50 #define TOMOYO_TYPE_READ_WRITE_ACL    0
51 #define TOMOYO_TYPE_EXECUTE_ACL       1
52 #define TOMOYO_TYPE_READ_ACL          2
53 #define TOMOYO_TYPE_WRITE_ACL         3
54 #define TOMOYO_TYPE_CREATE_ACL        4
55 #define TOMOYO_TYPE_UNLINK_ACL        5
56 #define TOMOYO_TYPE_MKDIR_ACL         6
57 #define TOMOYO_TYPE_RMDIR_ACL         7
58 #define TOMOYO_TYPE_MKFIFO_ACL        8
59 #define TOMOYO_TYPE_MKSOCK_ACL        9
60 #define TOMOYO_TYPE_MKBLOCK_ACL      10
61 #define TOMOYO_TYPE_MKCHAR_ACL       11
62 #define TOMOYO_TYPE_TRUNCATE_ACL     12
63 #define TOMOYO_TYPE_SYMLINK_ACL      13
64 #define TOMOYO_TYPE_REWRITE_ACL      14
65 #define TOMOYO_MAX_SINGLE_PATH_OPERATION 15
66
67 #define TOMOYO_TYPE_LINK_ACL         0
68 #define TOMOYO_TYPE_RENAME_ACL       1
69 #define TOMOYO_MAX_DOUBLE_PATH_OPERATION 2
70
71 #define TOMOYO_DOMAINPOLICY          0
72 #define TOMOYO_EXCEPTIONPOLICY       1
73 #define TOMOYO_DOMAIN_STATUS         2
74 #define TOMOYO_PROCESS_STATUS        3
75 #define TOMOYO_MEMINFO               4
76 #define TOMOYO_SELFDOMAIN            5
77 #define TOMOYO_VERSION               6
78 #define TOMOYO_PROFILE               7
79 #define TOMOYO_MANAGER               8
80
81 extern struct tomoyo_domain_info tomoyo_kernel_domain;
82
83 static inline struct tomoyo_domain_info *tomoyo_domain(void)
84 {
85         return current_cred()->security;
86 }
87
88 static inline struct tomoyo_domain_info *tomoyo_real_domain(struct task_struct
89                                                             *task)
90 {
91         return task_cred_xxx(task, security);
92 }
93
94 #endif /* !defined(_SECURITY_TOMOYO_TOMOYO_H) */