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1 : /*
2 : * SPDX-License-Identifier: MPL-2.0
3 : *
4 : * This Source Code Form is subject to the terms of the Mozilla Public
5 : * License, v. 2.0. If a copy of the MPL was not distributed with this
6 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
7 : *
8 : * Copyright 2024 MonetDB Foundation;
9 : * Copyright August 2008 - 2023 MonetDB B.V.;
10 : * Copyright 1997 - July 2008 CWI.
11 : */
12 :
13 : #ifndef _MSETTINGS_H
14 : #define _MSETTINGS_H 1
15 :
16 : #include "mapi.h"
17 : #include <stdbool.h>
18 :
19 : #define MP__BOOL_START (100)
20 : #define MP__LONG_START (200)
21 : #define MP__STRING_START (300)
22 :
23 : #ifdef __cplusplus
24 : extern "C" {
25 : #endif
26 :
27 : /* avoid using "#ifdef WIN32" so that this file does not need our config.h */
28 : #if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW32__)
29 : #ifndef LIBMAPI
30 : #define mapi_export extern __declspec(dllimport)
31 : #else
32 : #define mapi_export extern __declspec(dllexport)
33 : #endif
34 : #else
35 : #define mapi_export extern
36 : #endif
37 :
38 : /////////////////////////////////////////////////////////////////////
39 : // This enum identifies properties that can be set that affect how a
40 : // connection is made. In particular we have functies to parse strings
41 : // into a an enum value, and back.
42 :
43 : typedef enum mparm {
44 : MP_UNKNOWN,
45 : MP_IGNORE,
46 :
47 : // bool
48 : MP_TLS = MP__BOOL_START,
49 : MP_AUTOCOMMIT,
50 :
51 : // long
52 : MP_PORT = MP__LONG_START,
53 : MP_TIMEZONE,
54 : MP_REPLYSIZE,
55 :
56 : // string
57 : MP_SOCK = MP__STRING_START,
58 : MP_SOCKDIR,
59 : MP_CERT,
60 : MP_CLIENTKEY,
61 : MP_CLIENTCERT,
62 : MP_HOST,
63 : MP_DATABASE,
64 : MP_TABLESCHEMA,
65 : MP_TABLE,
66 : MP_CERTHASH,
67 : MP_USER,
68 : MP_PASSWORD,
69 : MP_LANGUAGE,
70 : MP_SCHEMA, // TODO implement this
71 : MP_BINARY,
72 : } mparm;
73 :
74 : typedef enum mparm_class {
75 : MPCLASS_BOOL,
76 : MPCLASS_LONG,
77 : MPCLASS_STRING,
78 : } mparm_class;
79 :
80 : static inline mparm_class
81 77796 : mparm_classify(mparm parm)
82 : {
83 77796 : if (parm < MP__LONG_START)
84 : return MPCLASS_BOOL;
85 69985 : else if (parm >= MP__STRING_START)
86 : return MPCLASS_STRING;
87 : else
88 40122 : return MPCLASS_LONG;
89 : }
90 :
91 :
92 : /* returns NULL if not found, pointer to mparm if found */
93 : mapi_export mparm mparm_parse(const char *name);
94 : const char *mparm_name(mparm parm);
95 : bool mparm_is_core(mparm parm);
96 :
97 :
98 : /////////////////////////////////////////////////////////////////////
99 : // This type hold all properties that can be set that affect how a
100 : // connection is made. There are methods to create/destroy etc.,
101 : // getters and setters based on enum mparm above, and getters
102 : // and setters based on string values.
103 : // Also, msettings_validate, msettings_parse_url and a number
104 : // of helper functions.
105 :
106 : typedef struct msettings msettings;
107 :
108 : /* NULL means OK. non-NULL is error message. Valid until next call. Do not free. */
109 : typedef const char *msettings_error;
110 :
111 : /* returns NULL if could not allocate */
112 : mapi_export msettings *msettings_create(void);
113 : msettings *msettings_clone(const msettings *mp);
114 : extern const msettings *msettings_default;
115 :
116 : /* always returns NULL */
117 : mapi_export msettings *msettings_destroy(msettings *mp);
118 :
119 : /* retrieve and set; call abort() on type error */
120 :
121 : mapi_export const char* msetting_string(const msettings *mp, mparm parm);
122 : msettings_error msetting_set_string(msettings *mp, mparm parm, const char* value)
123 : __attribute__((__nonnull__(3)));
124 :
125 : mapi_export long msetting_long(const msettings *mp, mparm parm);
126 : msettings_error msetting_set_long(msettings *mp, mparm parm, long value);
127 :
128 : mapi_export bool msetting_bool(const msettings *mp, mparm parm);
129 : msettings_error msetting_set_bool(msettings *mp, mparm parm, bool value);
130 :
131 : /* parse into the appropriate type, or format into newly malloc'ed string (NULL means malloc failed) */
132 : msettings_error msetting_parse(msettings *mp, mparm parm, const char *text);
133 : char *msetting_as_string(msettings *mp, mparm parm);
134 :
135 : /* store ignored parameter */
136 : msettings_error msetting_set_ignored(msettings *mp, const char *key, const char *value);
137 :
138 : /* store named parameter */
139 : mapi_export msettings_error msetting_set_named(msettings *mp, bool allow_core, const char *key, const char *value);
140 :
141 : /* update the msettings from the URL. set *error_buffer to NULL and return true
142 : * if success, set *error_buffer to malloc'ed error message and return false on failure.
143 : * if return value is true but *error_buffer is NULL, malloc failed. */
144 : mapi_export bool msettings_parse_url(msettings *mp, const char *url, char **error_buffer);
145 :
146 : /* 1 = true, 0 = false, -1 = could not parse */
147 : mapi_export int msetting_parse_bool(const char *text);
148 :
149 : /* return an error message if the validity rules are not satisfied */
150 : mapi_export bool msettings_validate(msettings *mp, char **errmsg);
151 :
152 :
153 : /* virtual parameters */
154 : enum msetting_tls_verify {
155 : verify_none,
156 : verify_system,
157 : verify_cert,
158 : verify_hash,
159 : };
160 : mapi_export bool msettings_connect_scan(const msettings *mp);
161 : mapi_export const char *msettings_connect_unix(const msettings *mp);
162 : mapi_export const char *msettings_connect_tcp(const msettings *mp);
163 : mapi_export long msettings_connect_port(const msettings *mp);
164 : mapi_export const char *msettings_connect_certhash_digits(const msettings *mp);
165 : mapi_export long msettings_connect_binary(const msettings *mp);
166 : mapi_export enum msetting_tls_verify msettings_connect_tls_verify(const msettings *mp);
167 : mapi_export const char *msettings_connect_clientkey(const msettings *mp);
168 : mapi_export const char *msettings_connect_clientcert(const msettings *mp);
169 :
170 : /* automatically incremented each time the corresponding field is updated */
171 : long msettings_user_generation(const msettings *mp);
172 : long msettings_password_generation(const msettings *mp);
173 :
174 : /* convenience helpers*/
175 : bool msettings_lang_is_mal(const msettings *mp);
176 : bool msettings_lang_is_sql(const msettings *mp);
177 : bool msettings_lang_is_profiler(const msettings *mp);
178 :
179 : /////////////////////////////////////////////////////////////////////
180 : // Extend mapi.h
181 :
182 : // Mutable access settings of existing Mapi.
183 : // Do not make changes while connected.
184 : mapi_export msettings *mapi_get_settings(Mapi mid)
185 : __attribute__((__nonnull__(1)));
186 :
187 : // Create Mapi from settings.
188 : // Takes ownership of the settings except if malloc fails etc.
189 : // In that case NULL is returned and ownership of the settings remains with
190 : // the caller.
191 : mapi_export Mapi mapi_settings(msettings *settings)
192 : __attribute__((__nonnull__(1)));
193 :
194 :
195 : #ifdef __cplusplus
196 : }
197 : #endif
198 : #endif /* _MSETTINGS_H */
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