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1/* crypto/conf/conf.h */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#ifndef HEADER_CONF_H
60#define HEADER_CONF_H
61
62#include <openssl/bio.h>
63#include <openssl/lhash.h>
64#include <openssl/stack.h>
65#include <openssl/safestack.h>
66#include <openssl/e_os2.h>
67
68#include <openssl/ossl_typ.h>
69
70#ifdef __cplusplus
71extern "C" {
72#endif
73
74typedef struct
75 {
76 char *section;
77 char *name;
78 char *value;
79 } CONF_VALUE;
80
81DECLARE_STACK_OF(CONF_VALUE)
82DECLARE_LHASH_OF(CONF_VALUE);
83
84struct conf_st;
85struct conf_method_st;
86typedef struct conf_method_st CONF_METHOD;
87
88struct conf_method_st
89 {
90 const char *name;
91 CONF *(*create)(CONF_METHOD *meth);
92 int (*init)(CONF *conf);
93 int (*destroy)(CONF *conf);
94 int (*destroy_data)(CONF *conf);
95 int (*load_bio)(CONF *conf, BIO *bp, long *eline);
96 int (*dump)(const CONF *conf, BIO *bp);
97 int (*is_number)(const CONF *conf, char c);
98 int (*to_int)(const CONF *conf, char c);
99 int (*load)(CONF *conf, const char *name, long *eline);
100 };
101
102/* Module definitions */
103
104typedef struct conf_imodule_st CONF_IMODULE;
105typedef struct conf_module_st CONF_MODULE;
106
107DECLARE_STACK_OF(CONF_MODULE)
108DECLARE_STACK_OF(CONF_IMODULE)
109
110/* DSO module function typedefs */
111typedef int conf_init_func(CONF_IMODULE *md, const CONF *cnf);
112typedef void conf_finish_func(CONF_IMODULE *md);
113
114#define CONF_MFLAGS_IGNORE_ERRORS 0x1
115#define CONF_MFLAGS_IGNORE_RETURN_CODES 0x2
116#define CONF_MFLAGS_SILENT 0x4
117#define CONF_MFLAGS_NO_DSO 0x8
118#define CONF_MFLAGS_IGNORE_MISSING_FILE 0x10
119#define CONF_MFLAGS_DEFAULT_SECTION 0x20
120
121int CONF_set_default_method(CONF_METHOD *meth);
122void CONF_set_nconf(CONF *conf,LHASH_OF(CONF_VALUE) *hash);
123LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf,const char *file,
124 long *eline);
125#ifndef OPENSSL_NO_FP_API
126LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp,
127 long *eline);
128#endif
129LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp,long *eline);
130STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf,
131 const char *section);
132char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf,const char *group,
133 const char *name);
134long CONF_get_number(LHASH_OF(CONF_VALUE) *conf,const char *group,
135 const char *name);
136void CONF_free(LHASH_OF(CONF_VALUE) *conf);
137int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out);
138int CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out);
139
140void OPENSSL_config(const char *config_name);
141void OPENSSL_no_config(void);
142
143/* New conf code. The semantics are different from the functions above.
144 If that wasn't the case, the above functions would have been replaced */
145
146struct conf_st
147 {
148 CONF_METHOD *meth;
149 void *meth_data;
150 LHASH_OF(CONF_VALUE) *data;
151 };
152
153CONF *NCONF_new(CONF_METHOD *meth);
154CONF_METHOD *NCONF_default(void);
155CONF_METHOD *NCONF_WIN32(void);
156#if 0 /* Just to give you an idea of what I have in mind */
157CONF_METHOD *NCONF_XML(void);
158#endif
159void NCONF_free(CONF *conf);
160void NCONF_free_data(CONF *conf);
161
162int NCONF_load(CONF *conf,const char *file,long *eline);
163#ifndef OPENSSL_NO_FP_API
164int NCONF_load_fp(CONF *conf, FILE *fp,long *eline);
165#endif
166int NCONF_load_bio(CONF *conf, BIO *bp,long *eline);
167STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf,const char *section);
168char *NCONF_get_string(const CONF *conf,const char *group,const char *name);
169int NCONF_get_number_e(const CONF *conf,const char *group,const char *name,
170 long *result);
171int NCONF_dump_fp(const CONF *conf, FILE *out);
172int NCONF_dump_bio(const CONF *conf, BIO *out);
173
174#if 0 /* The following function has no error checking,
175 and should therefore be avoided */
176long NCONF_get_number(CONF *conf,char *group,char *name);
177#else
178#define NCONF_get_number(c,g,n,r) NCONF_get_number_e(c,g,n,r)
179#endif
180
181/* Module functions */
182
183int CONF_modules_load(const CONF *cnf, const char *appname,
184 unsigned long flags);
185int CONF_modules_load_file(const char *filename, const char *appname,
186 unsigned long flags);
187void CONF_modules_unload(int all);
188void CONF_modules_finish(void);
189void CONF_modules_free(void);
190int CONF_module_add(const char *name, conf_init_func *ifunc,
191 conf_finish_func *ffunc);
192
193const char *CONF_imodule_get_name(const CONF_IMODULE *md);
194const char *CONF_imodule_get_value(const CONF_IMODULE *md);
195void *CONF_imodule_get_usr_data(const CONF_IMODULE *md);
196void CONF_imodule_set_usr_data(CONF_IMODULE *md, void *usr_data);
197CONF_MODULE *CONF_imodule_get_module(const CONF_IMODULE *md);
198unsigned long CONF_imodule_get_flags(const CONF_IMODULE *md);
199void CONF_imodule_set_flags(CONF_IMODULE *md, unsigned long flags);
200void *CONF_module_get_usr_data(CONF_MODULE *pmod);
201void CONF_module_set_usr_data(CONF_MODULE *pmod, void *usr_data);
202
203char *CONF_get1_default_config_file(void);
204
205int CONF_parse_list(const char *list, int sep, int nospc,
206 int (*list_cb)(const char *elem, int len, void *usr), void *arg);
207
208void OPENSSL_load_builtin_modules(void);
209
210/* BEGIN ERROR CODES */
211/* The following lines are auto generated by the script mkerr.pl. Any changes
212 * made after this point may be overwritten when the script is next run.
213 */
214void ERR_load_CONF_strings(void);
215
216/* Error codes for the CONF functions. */
217
218/* Function codes. */
219#define CONF_F_CONF_DUMP_FP 104
220#define CONF_F_CONF_LOAD 100
221#define CONF_F_CONF_LOAD_BIO 102
222#define CONF_F_CONF_LOAD_FP 103
223#define CONF_F_CONF_MODULES_LOAD 116
224#define CONF_F_CONF_PARSE_LIST 119
225#define CONF_F_DEF_LOAD 120
226#define CONF_F_DEF_LOAD_BIO 121
227#define CONF_F_MODULE_INIT 115
228#define CONF_F_MODULE_LOAD_DSO 117
229#define CONF_F_MODULE_RUN 118
230#define CONF_F_NCONF_DUMP_BIO 105
231#define CONF_F_NCONF_DUMP_FP 106
232#define CONF_F_NCONF_GET_NUMBER 107
233#define CONF_F_NCONF_GET_NUMBER_E 112
234#define CONF_F_NCONF_GET_SECTION 108
235#define CONF_F_NCONF_GET_STRING 109
236#define CONF_F_NCONF_LOAD 113
237#define CONF_F_NCONF_LOAD_BIO 110
238#define CONF_F_NCONF_LOAD_FP 114
239#define CONF_F_NCONF_NEW 111
240#define CONF_F_STR_COPY 101
241
242/* Reason codes. */
243#define CONF_R_ERROR_LOADING_DSO 110
244#define CONF_R_LIST_CANNOT_BE_NULL 115
245#define CONF_R_MISSING_CLOSE_SQUARE_BRACKET 100
246#define CONF_R_MISSING_EQUAL_SIGN 101
247#define CONF_R_MISSING_FINISH_FUNCTION 111
248#define CONF_R_MISSING_INIT_FUNCTION 112
249#define CONF_R_MODULE_INITIALIZATION_ERROR 109
250#define CONF_R_NO_CLOSE_BRACE 102
251#define CONF_R_NO_CONF 105
252#define CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE 106
253#define CONF_R_NO_SECTION 107
254#define CONF_R_NO_SUCH_FILE 114
255#define CONF_R_NO_VALUE 108
256#define CONF_R_UNABLE_TO_CREATE_NEW_SECTION 103
257#define CONF_R_UNKNOWN_MODULE_NAME 113
258#define CONF_R_VARIABLE_HAS_NO_VALUE 104
259
260#ifdef __cplusplus
261}
262#endif
263#endif
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