text: /*
   * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
   *
   * Licensed under the OpenSSL license (the "License").  You may not use
   * this file except in compliance with the License.  You can obtain a copy
   * in the file LICENSE in the source distribution or at
   * https://www.openssl.org/source/license.html
   */
  
  #ifndef HEADER_CONF_H
  #define HEADER_CONF_H
  
  #include <openssl/base.h>
  #include <openssl/bio.h>
  #include <openssl/lhash.h>
  #include <openssl/safestack.h>
  #include <openssl/stack.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  typedef struct {
      char *section;
      char *name;
      char *value;
  } CONF_VALUE;
  
  DECLARE_STACK_OF(CONF_VALUE)
  DECLARE_LHASH_OF(CONF_VALUE);
  
  struct conf_st;
  struct conf_method_st;
  typedef struct conf_method_st CONF_METHOD;
  
  struct conf_method_st {
      const char *name;
      CONF *(*create)(CONF_METHOD *meth);
      int (*init)(CONF *conf);
      int (*destroy)(CONF *conf);
      int (*destroy_data)(CONF *conf);
      int (*load_bio)(CONF *conf, BIO *bp, long *eline);
      int (*dump)(const CONF *conf, BIO *bp);
      int (*is_number)(const CONF *conf, char c);
      int (*to_int)(const CONF *conf, char c);
      int (*load)(CONF *conf, const char *name, long *eline);
  };
  
  /* Module definitions */
  
  typedef struct conf_imodule_st CONF_IMODULE;
  typedef struct conf_module_st CONF_MODULE;
  
  DECLARE_STACK_OF(CONF_MODULE)
  DECLARE_STACK_OF(CONF_IMODULE)
  
  /* DSO module function typedefs */
  typedef int conf_init_func(CONF_IMODULE *md, const CONF *cnf);
  typedef void conf_finish_func(CONF_IMODULE *md);
  
  #define CONF_MFLAGS_IGNORE_ERRORS           0x1
  #define CONF_MFLAGS_IGNORE_RETURN_CODES     0x2
  #define CONF_MFLAGS_SILENT                  0x4
  #define CONF_MFLAGS_NO_DSO                  0x8
  #define CONF_MFLAGS_IGNORE_MISSING_FILE     0x10
  #define CONF_MFLAGS_DEFAULT_SECTION         0x20
  
  VIGORTLS_EXPORT int CONF_set_default_method(CONF_METHOD *meth);
  VIGORTLS_EXPORT void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) * hash);
  VIGORTLS_EXPORT LHASH_OF(CONF_VALUE) *
      CONF_load(LHASH_OF(CONF_VALUE) * conf, const char *file, long *eline);
  VIGORTLS_EXPORT LHASH_OF(CONF_VALUE) *
      CONF_load_fp(LHASH_OF(CONF_VALUE) * conf, FILE *fp, long *eline);
  VIGORTLS_EXPORT LHASH_OF(CONF_VALUE) *
      CONF_load_bio(LHASH_OF(CONF_VALUE) * conf, BIO *bp, long *eline);
  VIGORTLS_EXPORT STACK_OF(CONF_VALUE) *
      CONF_get_section(LHASH_OF(CONF_VALUE) * conf, const char *section);
  VIGORTLS_EXPORT char *CONF_get_string(LHASH_OF(CONF_VALUE) * conf,
                                        const char *group, const char *name);
  VIGORTLS_EXPORT long CONF_get_number(LHASH_OF(CONF_VALUE) * conf,
                                       const char *group, const char *name);
  VIGORTLS_EXPORT void CONF_free(LHASH_OF(CONF_VALUE) * conf);
  VIGORTLS_EXPORT int CONF_dump_fp(LHASH_OF(CONF_VALUE) * conf, FILE *out);
  VIGORTLS_EXPORT int CONF_dump_bio(LHASH_OF(CONF_VALUE) * conf, BIO *out);
  
  VIGORTLS_EXPORT void OPENSSL_config(const char *config_name);
  VIGORTLS_EXPORT void OPENSSL_no_config(void);
  
  /* New conf code.  The semantics are different from the functions above.
     If that wasn't the case, the above functions would have been replaced */
  
  struct conf_st {
      CONF_METHOD *meth;
      void *meth_data;
      LHASH_OF(CONF_VALUE) *data;
  };
  
  VIGORTLS_EXPORT CONF_METHOD *NCONF_WIN32(void);
  VIGORTLS_EXPORT CONF *NCONF_new(CONF_METHOD *meth);
  VIGORTLS_EXPORT CONF_METHOD *NCONF_default(void);
  VIGORTLS_EXPORT void NCONF_free(CONF *conf);
  VIGORTLS_EXPORT void NCONF_free_data(CONF *conf);
  
  VIGORTLS_EXPORT int NCONF_load(CONF *conf, const char *file, long *eline);
  VIGORTLS_EXPORT int NCONF_load_fp(CONF *conf, FILE *fp, long *eline);
  VIGORTLS_EXPORT int NCONF_load_bio(CONF *conf, BIO *bp, long *eline);
  VIGORTLS_EXPORT STACK_OF(CONF_VALUE) *
      NCONF_get_section(const CONF *conf, const char *section);
  VIGORTLS_EXPORT char *NCONF_get_string(const CONF *conf, const char *group,
                                         const char *name);
  VIGORTLS_EXPORT int NCONF_get_number_e(const CONF *conf, const char *group,
                                         const char *name, long *result);
  VIGORTLS_EXPORT int NCONF_dump_fp(const CONF *conf, FILE *out);
  VIGORTLS_EXPORT int NCONF_dump_bio(const CONF *conf, BIO *out);
  
  #define NCONF_get_number(c, g, n, r) NCONF_get_number_e(c, g, n, r)
  
  /* Module functions */
  
  VIGORTLS_EXPORT int CONF_modules_load(const CONF *cnf, const char *appname,
                                        unsigned long flags);
  VIGORTLS_EXPORT int CONF_modules_load_file(const char *filename,
                                             const char *appname,
                                             unsigned long flags);
  VIGORTLS_EXPORT void CONF_modules_unload(int all);
  VIGORTLS_EXPORT void CONF_modules_finish(void);
  VIGORTLS_EXPORT void CONF_modules_free(void);
  VIGORTLS_EXPORT int CONF_module_add(const char *name, conf_init_func *ifunc,
                                      conf_finish_func *ffunc);
  
  VIGORTLS_EXPORT const char *CONF_imodule_get_name(const CONF_IMODULE *md);
  VIGORTLS_EXPORT const char *CONF_imodule_get_value(const CONF_IMODULE *md);
  VIGORTLS_EXPORT void *CONF_imodule_get_usr_data(const CONF_IMODULE *md);
  VIGORTLS_EXPORT void CONF_imodule_set_usr_data(CONF_IMODULE *md,
                                                 void *usr_data);
  VIGORTLS_EXPORT CONF_MODULE *CONF_imodule_get_module(const CONF_IMODULE *md);
  VIGORTLS_EXPORT unsigned long CONF_imodule_get_flags(const CONF_IMODULE *md);
  VIGORTLS_EXPORT void CONF_imodule_set_flags(CONF_IMODULE *md,
                                              unsigned long flags);
  VIGORTLS_EXPORT void *CONF_module_get_usr_data(CONF_MODULE *pmod);
  VIGORTLS_EXPORT void CONF_module_set_usr_data(CONF_MODULE *pmod,
                                                void *usr_data);
  
  VIGORTLS_EXPORT char *CONF_get1_default_config_file(void);
  
  VIGORTLS_EXPORT int CONF_parse_list(const char *list, int sep, int nospc,
                                      int (*list_cb)(const char *elem, int len,
                                                     void *usr),
                                      void *arg);
  
  VIGORTLS_EXPORT void OPENSSL_load_builtin_modules(void);
  
  /* BEGIN ERROR CODES */
  /*
   * The following lines are auto generated by the script mkerr.pl. Any changes
   * made after this point may be overwritten when the script is next run.
   */
  VIGORTLS_EXPORT void ERR_load_CONF_strings(void);
  
  /* Error codes for the CONF functions. */
  
  /* Function codes. */
  # define CONF_F_CONF_DUMP_FP                              104
  # define CONF_F_CONF_LOAD                                 100
  # define CONF_F_CONF_LOAD_BIO                             102
  # define CONF_F_CONF_LOAD_FP                              103
  # define CONF_F_CONF_MODULES_LOAD                         116
  # define CONF_F_CONF_PARSE_LIST                           119
  # define CONF_F_DEF_LOAD                                  120
  # define CONF_F_DEF_LOAD_BIO                              121
  # define CONF_F_MODULE_INIT                               115
  # define CONF_F_MODULE_LOAD_DSO                           117
  # define CONF_F_MODULE_RUN                                118
  # define CONF_F_NCONF_DUMP_BIO                            105
  # define CONF_F_NCONF_DUMP_FP                             106
  # define CONF_F_NCONF_GET_NUMBER                          107
  # define CONF_F_NCONF_GET_NUMBER_E                        112
  # define CONF_F_NCONF_GET_SECTION                         108
  # define CONF_F_NCONF_GET_STRING                          109
  # define CONF_F_NCONF_LOAD                                113
  # define CONF_F_NCONF_LOAD_BIO                            110
  # define CONF_F_NCONF_LOAD_FP                             114
  # define CONF_F_NCONF_NEW                                 111
  # define CONF_F_STR_COPY                                  101
  
  /* Reason codes. */
  # define CONF_R_ERROR_LOADING_DSO                         110
  # define CONF_R_LIST_CANNOT_BE_NULL                       115
  # define CONF_R_MISSING_CLOSE_SQUARE_BRACKET              100
  # define CONF_R_MISSING_EQUAL_SIGN                        101
  # define CONF_R_MISSING_FINISH_FUNCTION                   111
  # define CONF_R_MISSING_INIT_FUNCTION                     112
  # define CONF_R_MODULE_INITIALIZATION_ERROR               109
  # define CONF_R_NO_CLOSE_BRACE                            102
  # define CONF_R_NO_CONF                                   105
  # define CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE           106
  # define CONF_R_NO_SECTION                                107
  # define CONF_R_NO_SUCH_FILE                              114
  # define CONF_R_NO_VALUE                                  108
  # define CONF_R_UNABLE_TO_CREATE_NEW_SECTION              103
  # define CONF_R_UNKNOWN_MODULE_NAME                       113
  # define CONF_R_VARIABLE_HAS_NO_VALUE                     104
  
  #ifdef  __cplusplus
  }
  #endif
  #endif
  