1 /* $MirOS: src/lib/libssl/src/crypto/conf/conf.h,v 1.2 2014/06/05 12:47:58 tg Exp $ */
2 
3 /* crypto/conf/conf.h */
4 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5  * All rights reserved.
6  *
7  * This package is an SSL implementation written
8  * by Eric Young (eay@cryptsoft.com).
9  * The implementation was written so as to conform with Netscapes SSL.
10  *
11  * This library is free for commercial and non-commercial use as long as
12  * the following conditions are aheared to.  The following conditions
13  * apply to all code found in this distribution, be it the RC4, RSA,
14  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
15  * included with this distribution is covered by the same copyright terms
16  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
17  *
18  * Copyright remains Eric Young's, and as such any Copyright notices in
19  * the code are not to be removed.
20  * If this package is used in a product, Eric Young should be given attribution
21  * as the author of the parts of the library used.
22  * This can be in the form of a textual message at program startup or
23  * in documentation (online or textual) provided with the package.
24  *
25  * Redistribution and use in source and binary forms, with or without
26  * modification, are permitted provided that the following conditions
27  * are met:
28  * 1. Redistributions of source code must retain the copyright
29  *    notice, this list of conditions and the following disclaimer.
30  * 2. Redistributions in binary form must reproduce the above copyright
31  *    notice, this list of conditions and the following disclaimer in the
32  *    documentation and/or other materials provided with the distribution.
33  * 3. All advertising materials mentioning features or use of this software
34  *    must display the following acknowledgement:
35  *    "This product includes cryptographic software written by
36  *     Eric Young (eay@cryptsoft.com)"
37  *    The word 'cryptographic' can be left out if the rouines from the library
38  *    being used are not cryptographic related :-).
39  * 4. If you include any Windows specific code (or a derivative thereof) from
40  *    the apps directory (application code) you must include an acknowledgement:
41  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
42  *
43  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
44  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
47  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53  * SUCH DAMAGE.
54  *
55  * The licence and distribution terms for any publically available version or
56  * derivative of this code cannot be changed.  i.e. this code cannot simply be
57  * copied and put under another distribution licence
58  * [including the GNU Public Licence.]
59  */
60 
61 #ifndef  HEADER_CONF_H
62 #define HEADER_CONF_H
63 
64 #include <openssl/bio.h>
65 #include <openssl/lhash.h>
66 #include <openssl/stack.h>
67 #include <openssl/safestack.h>
68 #include <openssl/e_os2.h>
69 
70 #ifdef  __cplusplus
71 extern "C" {
72 #endif
73 
74 typedef struct
75 	{
76 	char *section;
77 	char *name;
78 	char *value;
79 	} CONF_VALUE;
80 
81 DECLARE_STACK_OF(CONF_VALUE)
82 DECLARE_STACK_OF(CONF_MODULE)
83 DECLARE_STACK_OF(CONF_IMODULE)
84 
85 struct conf_st;
86 typedef struct conf_st CONF;
87 struct conf_method_st;
88 typedef struct conf_method_st CONF_METHOD;
89 
90 struct conf_method_st
91 	{
92 	const char *name;
93 	CONF *(*create)(CONF_METHOD *meth);
94 	int (*init)(CONF *conf);
95 	int (*destroy)(CONF *conf);
96 	int (*destroy_data)(CONF *conf);
97 	int (*load_bio)(CONF *conf, BIO *bp, long *eline);
98 	int (*dump)(const CONF *conf, BIO *bp);
99 	int (*is_number)(const CONF *conf, char c);
100 	int (*to_int)(const CONF *conf, char c);
101 	int (*load)(CONF *conf, const char *name, long *eline);
102 	};
103 
104 /* Module definitions */
105 
106 typedef struct conf_imodule_st CONF_IMODULE;
107 typedef struct conf_module_st CONF_MODULE;
108 
109 /* DSO module function typedefs */
110 typedef int conf_init_func(CONF_IMODULE *md, const CONF *cnf);
111 typedef void conf_finish_func(CONF_IMODULE *md);
112 
113 #define	CONF_MFLAGS_IGNORE_ERRORS	0x1
114 #define CONF_MFLAGS_IGNORE_RETURN_CODES	0x2
115 #define CONF_MFLAGS_SILENT		0x4
116 #define CONF_MFLAGS_NO_DSO		0x8
117 #define CONF_MFLAGS_IGNORE_MISSING_FILE	0x10
118 #define CONF_MFLAGS_DEFAULT_SECTION	0x20
119 
120 int CONF_set_default_method(CONF_METHOD *meth);
121 void CONF_set_nconf(CONF *conf,LHASH *hash);
122 LHASH *CONF_load(LHASH *conf,const char *file,long *eline);
123 #ifndef OPENSSL_NO_FP_API
124 LHASH *CONF_load_fp(LHASH *conf, FILE *fp,long *eline);
125 #endif
126 LHASH *CONF_load_bio(LHASH *conf, BIO *bp,long *eline);
127 STACK_OF(CONF_VALUE) *CONF_get_section(LHASH *conf,const char *section);
128 char *CONF_get_string(LHASH *conf,const char *group,const char *name);
129 long CONF_get_number(LHASH *conf,const char *group,const char *name);
130 void CONF_free(LHASH *conf);
131 int CONF_dump_fp(LHASH *conf, FILE *out);
132 int CONF_dump_bio(LHASH *conf, BIO *out);
133 
134 void OPENSSL_config(const char *config_name);
135 void OPENSSL_no_config(void);
136 
137 /* New conf code.  The semantics are different from the functions above.
138    If that wasn't the case, the above functions would have been replaced */
139 
140 struct conf_st
141 	{
142 	CONF_METHOD *meth;
143 	void *meth_data;
144 	LHASH *data;
145 	};
146 
147 CONF *NCONF_new(CONF_METHOD *meth);
148 CONF_METHOD *NCONF_default(void);
149 CONF_METHOD *NCONF_WIN32(void);
150 #if 0 /* Just to give you an idea of what I have in mind */
151 CONF_METHOD *NCONF_XML(void);
152 #endif
153 void NCONF_free(CONF *conf);
154 void NCONF_free_data(CONF *conf);
155 
156 int NCONF_load(CONF *conf,const char *file,long *eline);
157 #ifndef OPENSSL_NO_FP_API
158 int NCONF_load_fp(CONF *conf, FILE *fp,long *eline);
159 #endif
160 int NCONF_load_bio(CONF *conf, BIO *bp,long *eline);
161 STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf,const char *section);
162 char *NCONF_get_string(const CONF *conf,const char *group,const char *name);
163 int NCONF_get_number_e(const CONF *conf,const char *group,const char *name,
164 		       long *result);
165 int NCONF_dump_fp(const CONF *conf, FILE *out);
166 int NCONF_dump_bio(const CONF *conf, BIO *out);
167 
168 #if 0 /* The following function has no error checking,
169 	 and should therefore be avoided */
170 long NCONF_get_number(CONF *conf,char *group,char *name);
171 #else
172 #define NCONF_get_number(c,g,n,r) NCONF_get_number_e(c,g,n,r)
173 #endif
174 
175 /* Module functions */
176 
177 int CONF_modules_load(const CONF *cnf, const char *appname,
178 		      unsigned long flags);
179 int CONF_modules_load_file(const char *filename, const char *appname,
180 			   unsigned long flags);
181 void CONF_modules_unload(int all);
182 void CONF_modules_finish(void);
183 void CONF_modules_free(void);
184 int CONF_module_add(const char *name, conf_init_func *ifunc,
185 		    conf_finish_func *ffunc);
186 
187 const char *CONF_imodule_get_name(const CONF_IMODULE *md);
188 const char *CONF_imodule_get_value(const CONF_IMODULE *md);
189 void *CONF_imodule_get_usr_data(const CONF_IMODULE *md);
190 void CONF_imodule_set_usr_data(CONF_IMODULE *md, void *usr_data);
191 CONF_MODULE *CONF_imodule_get_module(const CONF_IMODULE *md);
192 unsigned long CONF_imodule_get_flags(const CONF_IMODULE *md);
193 void CONF_imodule_set_flags(CONF_IMODULE *md, unsigned long flags);
194 void *CONF_module_get_usr_data(CONF_MODULE *pmod);
195 void CONF_module_set_usr_data(CONF_MODULE *pmod, void *usr_data);
196 
197 char *CONF_get1_default_config_file(void);
198 
199 int CONF_parse_list(const char *list, int sep, int nospc,
200 	int (*list_cb)(const char *elem, int len, void *usr), void *arg);
201 
202 void OPENSSL_load_builtin_modules(void);
203 
204 /* BEGIN ERROR CODES */
205 /* The following lines are auto generated by the script mkerr.pl. Any changes
206  * made after this point may be overwritten when the script is next run.
207  */
208 void ERR_load_CONF_strings(void);
209 
210 /* Error codes for the CONF functions. */
211 
212 /* Function codes. */
213 #define CONF_F_CONF_DUMP_FP				 104
214 #define CONF_F_CONF_LOAD				 100
215 #define CONF_F_CONF_LOAD_BIO				 102
216 #define CONF_F_CONF_LOAD_FP				 103
217 #define CONF_F_CONF_MODULES_LOAD			 116
218 #define CONF_F_MODULE_INIT				 115
219 #define CONF_F_MODULE_LOAD_DSO				 117
220 #define CONF_F_MODULE_RUN				 118
221 #define CONF_F_NCONF_DUMP_BIO				 105
222 #define CONF_F_NCONF_DUMP_FP				 106
223 #define CONF_F_NCONF_GET_NUMBER				 107
224 #define CONF_F_NCONF_GET_NUMBER_E			 112
225 #define CONF_F_NCONF_GET_SECTION			 108
226 #define CONF_F_NCONF_GET_STRING				 109
227 #define CONF_F_NCONF_LOAD				 113
228 #define CONF_F_NCONF_LOAD_BIO				 110
229 #define CONF_F_NCONF_LOAD_FP				 114
230 #define CONF_F_NCONF_NEW				 111
231 #define CONF_F_STR_COPY					 101
232 
233 /* Reason codes. */
234 #define CONF_R_ERROR_LOADING_DSO			 110
235 #define CONF_R_MISSING_CLOSE_SQUARE_BRACKET		 100
236 #define CONF_R_MISSING_EQUAL_SIGN			 101
237 #define CONF_R_MISSING_FINISH_FUNCTION			 111
238 #define CONF_R_MISSING_INIT_FUNCTION			 112
239 #define CONF_R_MODULE_INITIALIZATION_ERROR		 109
240 #define CONF_R_NO_CLOSE_BRACE				 102
241 #define CONF_R_NO_CONF					 105
242 #define CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE		 106
243 #define CONF_R_NO_SECTION				 107
244 #define CONF_R_NO_SUCH_FILE				 114
245 #define CONF_R_NO_VALUE					 108
246 #define CONF_R_UNABLE_TO_CREATE_NEW_SECTION		 103
247 #define CONF_R_UNKNOWN_MODULE_NAME			 113
248 #define CONF_R_VARIABLE_HAS_NO_VALUE			 104
249 
250 #ifdef  __cplusplus
251 }
252 #endif
253 #endif
254