xref: /openbsd-src/lib/libcrypto/conf/conf.h (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
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_os.h>
67 
68 #ifdef  __cplusplus
69 extern "C" {
70 #endif
71 
72 typedef struct
73 	{
74 	char *section;
75 	char *name;
76 	char *value;
77 	} CONF_VALUE;
78 
79 DECLARE_STACK_OF(CONF_VALUE)
80 
81 struct conf_st;
82 typedef struct conf_st CONF;
83 struct conf_method_st;
84 typedef struct conf_method_st CONF_METHOD;
85 
86 struct conf_method_st
87 	{
88 	const char *name;
89 	CONF *(MS_FAR *create)(CONF_METHOD *meth);
90 	int (MS_FAR *init)(CONF *conf);
91 	int (MS_FAR *destroy)(CONF *conf);
92 	int (MS_FAR *destroy_data)(CONF *conf);
93 	int (MS_FAR *load)(CONF *conf, BIO *bp, long *eline);
94 	int (MS_FAR *dump)(CONF *conf, BIO *bp);
95 	int (MS_FAR *is_number)(CONF *conf, char c);
96 	int (MS_FAR *to_int)(CONF *conf, char c);
97 	};
98 
99 int CONF_set_default_method(CONF_METHOD *meth);
100 LHASH *CONF_load(LHASH *conf,const char *file,long *eline);
101 #ifndef NO_FP_API
102 LHASH *CONF_load_fp(LHASH *conf, FILE *fp,long *eline);
103 #endif
104 LHASH *CONF_load_bio(LHASH *conf, BIO *bp,long *eline);
105 STACK_OF(CONF_VALUE) *CONF_get_section(LHASH *conf,char *section);
106 char *CONF_get_string(LHASH *conf,char *group,char *name);
107 long CONF_get_number(LHASH *conf,char *group,char *name);
108 void CONF_free(LHASH *conf);
109 int CONF_dump_fp(LHASH *conf, FILE *out);
110 int CONF_dump_bio(LHASH *conf, BIO *out);
111 void ERR_load_CONF_strings(void );
112 
113 /* New conf code.  The semantics are different from the functions above.
114    If that wasn't the case, the above functions would have been replaced */
115 
116 struct conf_st
117 	{
118 	CONF_METHOD *meth;
119 	void *meth_data;
120 	LHASH *data;
121 	};
122 
123 CONF *NCONF_new(CONF_METHOD *meth);
124 CONF_METHOD *NCONF_default();
125 CONF_METHOD *NCONF_WIN32();
126 #if 0 /* Just to give you an idea of what I have in mind */
127 CONF_METHOD *NCONF_XML();
128 #endif
129 void NCONF_free(CONF *conf);
130 void NCONF_free_data(CONF *conf);
131 
132 int NCONF_load(CONF *conf,const char *file,long *eline);
133 #ifndef NO_FP_API
134 int NCONF_load_fp(CONF *conf, FILE *fp,long *eline);
135 #endif
136 int NCONF_load_bio(CONF *conf, BIO *bp,long *eline);
137 STACK_OF(CONF_VALUE) *NCONF_get_section(CONF *conf,char *section);
138 char *NCONF_get_string(CONF *conf,char *group,char *name);
139 long NCONF_get_number(CONF *conf,char *group,char *name);
140 int NCONF_dump_fp(CONF *conf, FILE *out);
141 int NCONF_dump_bio(CONF *conf, BIO *out);
142 
143 
144 /* BEGIN ERROR CODES */
145 /* The following lines are auto generated by the script mkerr.pl. Any changes
146  * made after this point may be overwritten when the script is next run.
147  */
148 
149 /* Error codes for the CONF functions. */
150 
151 /* Function codes. */
152 #define CONF_F_CONF_DUMP_FP				 104
153 #define CONF_F_CONF_LOAD				 100
154 #define CONF_F_CONF_LOAD_BIO				 102
155 #define CONF_F_CONF_LOAD_FP				 103
156 #define CONF_F_NCONF_DUMP_BIO				 105
157 #define CONF_F_NCONF_DUMP_FP				 106
158 #define CONF_F_NCONF_GET_NUMBER				 107
159 #define CONF_F_NCONF_GET_SECTION			 108
160 #define CONF_F_NCONF_GET_STRING				 109
161 #define CONF_F_NCONF_LOAD_BIO				 110
162 #define CONF_F_NCONF_NEW				 111
163 #define CONF_F_STR_COPY					 101
164 
165 /* Reason codes. */
166 #define CONF_R_MISSING_CLOSE_SQUARE_BRACKET		 100
167 #define CONF_R_MISSING_EQUAL_SIGN			 101
168 #define CONF_R_NO_CLOSE_BRACE				 102
169 #define CONF_R_NO_CONF					 105
170 #define CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE		 106
171 #define CONF_R_NO_SECTION				 107
172 #define CONF_R_UNABLE_TO_CREATE_NEW_SECTION		 103
173 #define CONF_R_VARIABLE_HAS_NO_VALUE			 104
174 
175 #ifdef  __cplusplus
176 }
177 #endif
178 #endif
179 
180