1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License, version 2.0, for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#ifndef MYSQL_SERVICE_MYSQL_PLUGIN_KEYRING_INCLUDED
#define MYSQL_SERVICE_MYSQL_PLUGIN_KEYRING_INCLUDED
/**
@file include/mysql/service_mysql_keyring.h
*/
/**
@ingroup group_ext_plugin_services
This service allows plugins to interact with key store backends.
A key currently is a blob of binary data, defined by a string
key type, that's meanigfull to the relevant backend.
Typical key_type values include "AES", "DES", "DSA" etc.
There's no length in the type, since it's defined by the number of bytes
the key takes.
A key is uniquely identified by the key_id and the user_id values, i.e.
all keys are assigned to a particular user.
There's only one exception to that: a single category for instance keys
that are not associated with any particular user id. This is signified
to the APIs by supplying NULL for user_id.
Plugins would typically pass user accounts to the user_id parameter, or
NULL if there's no user account to associate the key with.
Not all backends must implement all of the functions defined
in this interface.
The plugin service is a "bridge service", i.e. facade with no
real functionality that just calls the actual keyring plugin APIs.
This is needed to allow other plugins to call into the keyring
plugins and thus overcome the limitation that only the server
can call plugins.
@sa st_mysql_keyring
*/
extern "C" struct mysql_keyring_service_st {
/**
Stores a key into the keyring.
@sa my_key_store, st_mysql_keyring::mysql_key_store
*/
int (*my_key_store_func)(const char *, const char *, const char *,
const void *, size_t);
/**
Receives a key from the keyring.
@sa my_key_fetch, st_mysql_keyring::mysql_key_fetch
*/
int (*my_key_fetch_func)(const char *, char **, const char *, void **,
size_t *);
/**
Removes a key from the keyring.
@sa my_key_remove, st_mysql_keyring::mysql_key_remove
*/
int (*my_key_remove_func)(const char *, const char *);
/**
Generates a new key inside the keyring backend
@sa my_key_generate, st_mysql_keyring::mysql_key_generate
*/
int (*my_key_generate_func)(const char *, const char *, const char *, size_t);
} * mysql_keyring_service;
#ifdef MYSQL_DYNAMIC_PLUGIN
#define my_key_store(key_id, key_type, user_id, key, key_len) \
mysql_keyring_service->my_key_store_func(key_id, key_type, user_id, key, \
key_len)
#define my_key_fetch(key_id, key_type, user_id, key, key_len) \
mysql_keyring_service->my_key_fetch_func(key_id, key_type, user_id, key, \
key_len)
#define my_key_remove(key_id, user_id) \
mysql_keyring_service->my_key_remove_func(key_id, user_id)
#define my_key_generate(key_id, key_type, user_id, key_len) \
mysql_keyring_service->my_key_generate_func(key_id, key_type, user_id, \
key_len)
#else
int my_key_store(const char *, const char *, const char *, const void *,
size_t);
int my_key_fetch(const char *, char **, const char *, void **, size_t *);
int my_key_remove(const char *, const char *);
int my_key_generate(const char *, const char *, const char *, size_t);
#endif
#endif // MYSQL_SERVICE_MYSQL_PLUGIN_KEYRING_INCLUDED
|
