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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#ifdef __cplusplus
69extern "C" {
70#endif
71
72typedef struct
73 {
74 char *section;
75 char *name;
76 char *value;
77 } CONF_VALUE;
78
79DECLARE_STACK_OF(CONF_VALUE)
80DECLARE_STACK_OF(CONF_MODULE)
81DECLARE_STACK_OF(CONF_IMODULE)
82
83struct conf_st;
84typedef struct conf_st CONF;
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
107/* DSO module function typedefs */
108typedef int conf_init_func(CONF_IMODULE *md, const CONF *cnf);
109typedef void conf_finish_func(CONF_IMODULE *md);
110
111#define CONF_MFLAGS_IGNORE_ERRORS 0x1
112#define CONF_MFLAGS_IGNORE_RETURN_CODES 0x2
113#define CONF_MFLAGS_SILENT 0x4
114#define CONF_MFLAGS_NO_DSO 0x8
115#define CONF_MFLAGS_IGNORE_MISSING_FILE 0x10
116
117int CONF_set_default_method(CONF_METHOD *meth);
118void CONF_set_nconf(CONF *conf,LHASH *hash);
119LHASH *CONF_load(LHASH *conf,const char *file,long *eline);
120#ifndef OPENSSL_NO_FP_API
121LHASH *CONF_load_fp(LHASH *conf, FILE *fp,long *eline);
122#endif
123LHASH *CONF_load_bio(LHASH *conf, BIO *bp,long *eline);
124STACK_OF(CONF_VALUE) *CONF_get_section(LHASH *conf,const char *section);
125char *CONF_get_string(LHASH *conf,const char *group,const char *name);
126long CONF_get_number(LHASH *conf,const char *group,const char *name);
127void CONF_free(LHASH *conf);
128int CONF_dump_fp(LHASH *conf, FILE *out);
129int CONF_dump_bio(LHASH *conf, BIO *out);
130
131void OPENSSL_config(const char *config_name);
132void OPENSSL_no_config(void);
133
134/* New conf code. The semantics are different from the functions above.
135 If that wasn't the case, the above functions would have been replaced */
136
137struct conf_st
138 {
139 CONF_METHOD *meth;
140 void *meth_data;
141 LHASH *data;
142 };
143
144CONF *NCONF_new(CONF_METHOD *meth);
145CONF_METHOD *NCONF_default(void);
146CONF_METHOD *NCONF_WIN32(void);
147#if 0 /* Just to give you an idea of what I have in mind */
148CONF_METHOD *NCONF_XML(void);
149#endif
150void NCONF_free(CONF *conf);
151void NCONF_free_data(CONF *conf);
152
153int NCONF_load(CONF *conf,const char *file,long *eline);
154#ifndef OPENSSL_NO_FP_API
155int NCONF_load_fp(CONF *conf, FILE *fp,long *eline);
156#endif
157int NCONF_load_bio(CONF *conf, BIO *bp,long *eline);
158STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf,const char *section);
159char *NCONF_get_string(const CONF *conf,const char *group,const char *name);
160int NCONF_get_number_e(const CONF *conf,const char *group,const char *name,
161 long *result);
162int NCONF_dump_fp(const CONF *conf, FILE *out);
163int NCONF_dump_bio(const CONF *conf, BIO *out);
164
165#if 0 /* The following function has no error checking,
166 and should therefore be avoided */
167long NCONF_get_number(CONF *conf,char *group,char *name);
168#else
169#define NCONF_get_number(c,g,n,r) NCONF_get_number_e(c,g,n,r)
170#endif
171
172/* Module functions */
173
174int CONF_modules_load(const CONF *cnf, const char *appname,
175 unsigned long flags);
176int CONF_modules_load_file(const char *filename, const char *appname,
177 unsigned long flags);
178void CONF_modules_unload(int all);
179void CONF_modules_finish(void);
180void CONF_modules_free(void);
181int CONF_module_add(const char *name, conf_init_func *ifunc,
182 conf_finish_func *ffunc);
183
184const char *CONF_imodule_get_name(const CONF_IMODULE *md);
185const char *CONF_imodule_get_value(const CONF_IMODULE *md);
186void *CONF_imodule_get_usr_data(const CONF_IMODULE *md);
187void CONF_imodule_set_usr_data(CONF_IMODULE *md, void *usr_data);
188CONF_MODULE *CONF_imodule_get_module(const CONF_IMODULE *md);
189unsigned long CONF_imodule_get_flags(const CONF_IMODULE *md);
190void CONF_imodule_set_flags(CONF_IMODULE *md, unsigned long flags);
191void *CONF_module_get_usr_data(CONF_MODULE *pmod);
192void CONF_module_set_usr_data(CONF_MODULE *pmod, void *usr_data);
193
194char *CONF_get1_default_config_file(void);
195
196int CONF_parse_list(const char *list, int sep, int nospc,
197 int (*list_cb)(const char *elem, int len, void *usr), void *arg);
198
199void OPENSSL_load_builtin_modules(void);
200
201/* BEGIN ERROR CODES */
202/* The following lines are auto generated by the script mkerr.pl. Any changes
203 * made after this point may be overwritten when the script is next run.
204 */
205void ERR_load_CONF_strings(void);
206
207/* Error codes for the CONF functions. */
208
209/* Function codes. */
210#define CONF_F_CONF_DUMP_FP 104
211#define CONF_F_CONF_LOAD 100
212#define CONF_F_CONF_LOAD_BIO 102
213#define CONF_F_CONF_LOAD_FP 103
214#define CONF_F_CONF_MODULES_LOAD 116
215#define CONF_F_MODULE_INIT 115
216#define CONF_F_MODULE_LOAD_DSO 117
217#define CONF_F_MODULE_RUN 118
218#define CONF_F_NCONF_DUMP_BIO 105
219#define CONF_F_NCONF_DUMP_FP 106
220#define CONF_F_NCONF_GET_NUMBER 107
221#define CONF_F_NCONF_GET_NUMBER_E 112
222#define CONF_F_NCONF_GET_SECTION 108
223#define CONF_F_NCONF_GET_STRING 109
224#define CONF_F_NCONF_LOAD 113
225#define CONF_F_NCONF_LOAD_BIO 110
226#define CONF_F_NCONF_LOAD_FP 114
227#define CONF_F_NCONF_NEW 111
228#define CONF_F_STR_COPY 101
229
230/* Reason codes. */
231#define CONF_R_ERROR_LOADING_DSO 110
232#define CONF_R_MISSING_CLOSE_SQUARE_BRACKET 100
233#define CONF_R_MISSING_EQUAL_SIGN 101
234#define CONF_R_MISSING_FINISH_FUNCTION 111
235#define CONF_R_MISSING_INIT_FUNCTION 112
236#define CONF_R_MODULE_INITIALIZATION_ERROR 109
237#define CONF_R_NO_CLOSE_BRACE 102
238#define CONF_R_NO_CONF 105
239#define CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE 106
240#define CONF_R_NO_SECTION 107
241#define CONF_R_NO_SUCH_FILE 114
242#define CONF_R_NO_VALUE 108
243#define CONF_R_UNABLE_TO_CREATE_NEW_SECTION 103
244#define CONF_R_UNKNOWN_MODULE_NAME 113
245#define CONF_R_VARIABLE_HAS_NO_VALUE 104
246
247#ifdef __cplusplus
248}
249#endif
250#endif
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