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 struct tomoyo_domain_info **next_domain);
36
37 /* Index numbers for Access Controls. */
38
39 #define TOMOYO_TYPE_SINGLE_PATH_ACL 0
40 #define TOMOYO_TYPE_DOUBLE_PATH_ACL 1
41
42 /* Index numbers for File Controls. */
43
44 /*
45 * TYPE_READ_WRITE_ACL is special. TYPE_READ_WRITE_ACL is automatically set
46 * if both TYPE_READ_ACL and TYPE_WRITE_ACL are set. Both TYPE_READ_ACL and
47 * TYPE_WRITE_ACL are automatically set if TYPE_READ_WRITE_ACL is set.
48 * TYPE_READ_WRITE_ACL is automatically cleared if either TYPE_READ_ACL or
49 * TYPE_WRITE_ACL is cleared. Both TYPE_READ_ACL and TYPE_WRITE_ACL are
50 * automatically cleared if TYPE_READ_WRITE_ACL is cleared.
51 */
52
53 #define TOMOYO_TYPE_READ_WRITE_ACL 0
54 #define TOMOYO_TYPE_EXECUTE_ACL 1
55 #define TOMOYO_TYPE_READ_ACL 2
56 #define TOMOYO_TYPE_WRITE_ACL 3
57 #define TOMOYO_TYPE_CREATE_ACL 4
58 #define TOMOYO_TYPE_UNLINK_ACL 5
59 #define TOMOYO_TYPE_MKDIR_ACL 6
60 #define TOMOYO_TYPE_RMDIR_ACL 7
61 #define TOMOYO_TYPE_MKFIFO_ACL 8
62 #define TOMOYO_TYPE_MKSOCK_ACL 9
63 #define TOMOYO_TYPE_MKBLOCK_ACL 10
64 #define TOMOYO_TYPE_MKCHAR_ACL 11
65 #define TOMOYO_TYPE_TRUNCATE_ACL 12
66 #define TOMOYO_TYPE_SYMLINK_ACL 13
67 #define TOMOYO_TYPE_REWRITE_ACL 14
68 #define TOMOYO_MAX_SINGLE_PATH_OPERATION 15
69
70 #define TOMOYO_TYPE_LINK_ACL 0
71 #define TOMOYO_TYPE_RENAME_ACL 1
72 #define TOMOYO_MAX_DOUBLE_PATH_OPERATION 2
73
74 #define TOMOYO_DOMAINPOLICY 0
75 #define TOMOYO_EXCEPTIONPOLICY 1
76 #define TOMOYO_DOMAIN_STATUS 2
77 #define TOMOYO_PROCESS_STATUS 3
78 #define TOMOYO_MEMINFO 4
79 #define TOMOYO_SELFDOMAIN 5
80 #define TOMOYO_VERSION 6
81 #define TOMOYO_PROFILE 7
82 #define TOMOYO_MANAGER 8
83
84 extern struct tomoyo_domain_info tomoyo_kernel_domain;
85
86 static inline struct tomoyo_domain_info *tomoyo_domain(void)
87 {
88 return current_cred()->security;
89 }
90
91 static inline struct tomoyo_domain_info *tomoyo_real_domain(struct task_struct
92 *task)
93 {
94 return task_cred_xxx(task, security);
95 }
96
97 #endif /* !defined(_SECURITY_TOMOYO_TOMOYO_H) */
98
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