crypto/conf/conf.h

   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_bio)(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         int (MS_FAR *load)(CONF *conf, const char *name, long *eline);
  98         };
  99
 100 int CONF_set_default_method(CONF_METHOD *meth);
 101 LHASH *CONF_load(LHASH *conf,const char *file,long *eline);
 102 #ifndef NO_FP_API
 103 LHASH *CONF_load_fp(LHASH *conf, FILE *fp,long *eline);
 104 #endif
 105 LHASH *CONF_load_bio(LHASH *conf, BIO *bp,long *eline);
 106 STACK_OF(CONF_VALUE) *CONF_get_section(LHASH *conf,char *section);
 107 char *CONF_get_string(LHASH *conf,char *group,char *name);
 108 long CONF_get_number(LHASH *conf,char *group,char *name);
 109 void CONF_free(LHASH *conf);
 110 int CONF_dump_fp(LHASH *conf, FILE *out);
 111 int CONF_dump_bio(LHASH *conf, BIO *out);
 112 void ERR_load_CONF_strings(void );
 113
 114 /* New conf code.  The semantics are different from the functions above.
 115    If that wasn't the case, the above functions would have been replaced */
 116
 117 struct conf_st
 118         {
 119         CONF_METHOD *meth;
 120         void *meth_data;
 121         LHASH *data;
 122         };
 123
 124 CONF *NCONF_new(CONF_METHOD *meth);
 125 CONF_METHOD *NCONF_default();
 126 CONF_METHOD *NCONF_WIN32();
 127 #if 0 /* Just to give you an idea of what I have in mind */
 128 CONF_METHOD *NCONF_XML();
 129 #endif
 130 void NCONF_free(CONF *conf);
 131 void NCONF_free_data(CONF *conf);
 132
 133 int NCONF_load(CONF *conf,const char *file,long *eline);
 134 #ifndef NO_FP_API
 135 int NCONF_load_fp(CONF *conf, FILE *fp,long *eline);
 136 #endif
 137 int NCONF_load_bio(CONF *conf, BIO *bp,long *eline);
 138 STACK_OF(CONF_VALUE) *NCONF_get_section(CONF *conf,char *section);
 139 char *NCONF_get_string(CONF *conf,char *group,char *name);
 140 int NCONF_get_number_e(CONF *conf,char *group,char *name,long *result);
 141 int NCONF_dump_fp(CONF *conf, FILE *out);
 142 int NCONF_dump_bio(CONF *conf, BIO *out);
 143
 144 #if 0 /* The following function has no error checking,
 145          and should therefore be avoided */
 146 long NCONF_get_number(CONF *conf,char *group,char *name);
 147 #else
 148 #define NCONF_get_number(c,g,n,r) NCONF_get_number_e(c,g,n,r);
 149 #endif
 150
 151
 152 /* BEGIN ERROR CODES */
 153 /* The following lines are auto generated by the script mkerr.pl. Any changes
 154  * made after this point may be overwritten when the script is next run.
 155  */
 156
 157 /* Error codes for the CONF functions. */
 158
 159 /* Function codes. */
 160 #define CONF_F_CONF_DUMP_FP                              104
 161 #define CONF_F_CONF_LOAD                                 100
 162 #define CONF_F_CONF_LOAD_BIO                             102
 163 #define CONF_F_CONF_LOAD_FP                              103
 164 #define CONF_F_NCONF_DUMP_BIO                            105
 165 #define CONF_F_NCONF_DUMP_FP                             106
 166 #define CONF_F_NCONF_GET_NUMBER                          107
 167 #define CONF_F_NCONF_GET_NUMBER_E                        112
 168 #define CONF_F_NCONF_GET_SECTION                         108
 169 #define CONF_F_NCONF_GET_STRING                          109
 170 #define CONF_F_NCONF_LOAD                                113
 171 #define CONF_F_NCONF_LOAD_BIO                            110
 172 #define CONF_F_NCONF_LOAD_FP                             114
 173 #define CONF_F_NCONF_NEW                                 111
 174 #define CONF_F_STR_COPY                                  101
 175
 176 /* Reason codes. */
 177 #define CONF_R_MISSING_CLOSE_SQUARE_BRACKET              100
 178 #define CONF_R_MISSING_EQUAL_SIGN                        101
 179 #define CONF_R_NO_CLOSE_BRACE                            102
 180 #define CONF_R_NO_CONF                                   105
 181 #define CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE           106
 182 #define CONF_R_NO_SECTION                                107
 183 #define CONF_R_NO_VALUE                                  108
 184 #define CONF_R_UNABLE_TO_CREATE_NEW_SECTION              103
 185 #define CONF_R_VARIABLE_HAS_NO_VALUE                     104
 186
 187 #ifdef  __cplusplus
 188 }
 189 #endif
 190 #endif
 191