cd6ba0bf7069a98128bdac2d562c9746decdcc6f
[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_file_perm(struct tomoyo_domain_info *domain,
22                            const char *filename, const u8 perm);
23 int tomoyo_check_exec_perm(struct tomoyo_domain_info *domain,
24                            const struct tomoyo_path_info *filename);
25 int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
26                                  struct path *path, const int flag);
27 int tomoyo_check_1path_perm(struct tomoyo_domain_info *domain,
28                             const u8 operation, struct path *path);
29 int tomoyo_check_2path_perm(struct tomoyo_domain_info *domain,
30                             const u8 operation, struct path *path1,
31                             struct path *path2);
32 int tomoyo_check_rewrite_permission(struct tomoyo_domain_info *domain,
33                                     struct file *filp);
34 int tomoyo_find_next_domain(struct linux_binprm *bprm);
35
36 /* Index numbers for Access Controls. */
37
38 #define TOMOYO_TYPE_SINGLE_PATH_ACL                 0
39 #define TOMOYO_TYPE_DOUBLE_PATH_ACL                 1
40
41 /* Index numbers for File Controls. */
42
43 /*
44  * TYPE_READ_WRITE_ACL is special. TYPE_READ_WRITE_ACL is automatically set
45  * if both TYPE_READ_ACL and TYPE_WRITE_ACL are set. Both TYPE_READ_ACL and
46  * TYPE_WRITE_ACL are automatically set if TYPE_READ_WRITE_ACL is set.
47  * TYPE_READ_WRITE_ACL is automatically cleared if either TYPE_READ_ACL or
48  * TYPE_WRITE_ACL is cleared. Both TYPE_READ_ACL and TYPE_WRITE_ACL are
49  * automatically cleared if TYPE_READ_WRITE_ACL is cleared.
50  */
51
52 #define TOMOYO_TYPE_READ_WRITE_ACL    0
53 #define TOMOYO_TYPE_EXECUTE_ACL       1
54 #define TOMOYO_TYPE_READ_ACL          2
55 #define TOMOYO_TYPE_WRITE_ACL         3
56 #define TOMOYO_TYPE_CREATE_ACL        4
57 #define TOMOYO_TYPE_UNLINK_ACL        5
58 #define TOMOYO_TYPE_MKDIR_ACL         6
59 #define TOMOYO_TYPE_RMDIR_ACL         7
60 #define TOMOYO_TYPE_MKFIFO_ACL        8
61 #define TOMOYO_TYPE_MKSOCK_ACL        9
62 #define TOMOYO_TYPE_MKBLOCK_ACL      10
63 #define TOMOYO_TYPE_MKCHAR_ACL       11
64 #define TOMOYO_TYPE_TRUNCATE_ACL     12
65 #define TOMOYO_TYPE_SYMLINK_ACL      13
66 #define TOMOYO_TYPE_REWRITE_ACL      14
67 #define TOMOYO_MAX_SINGLE_PATH_OPERATION 15
68
69 #define TOMOYO_TYPE_LINK_ACL         0
70 #define TOMOYO_TYPE_RENAME_ACL       1
71 #define TOMOYO_MAX_DOUBLE_PATH_OPERATION 2
72
73 #define TOMOYO_DOMAINPOLICY          0
74 #define TOMOYO_EXCEPTIONPOLICY       1
75 #define TOMOYO_DOMAIN_STATUS         2
76 #define TOMOYO_PROCESS_STATUS        3
77 #define TOMOYO_MEMINFO               4
78 #define TOMOYO_SELFDOMAIN            5
79 #define TOMOYO_VERSION               6
80 #define TOMOYO_PROFILE               7
81 #define TOMOYO_MANAGER               8
82
83 extern struct tomoyo_domain_info tomoyo_kernel_domain;
84
85 static inline struct tomoyo_domain_info *tomoyo_domain(void)
86 {
87         return current_cred()->security;
88 }
89
90 static inline struct tomoyo_domain_info *tomoyo_real_domain(struct task_struct
91                                                             *task)
92 {
93         return task_cred_xxx(task, security);
94 }
95
96 #endif /* !defined(_SECURITY_TOMOYO_TOMOYO_H) */