/*

 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the Apache License 2.0 (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  OPENSSL_CONF_H

# define OPENSSL_CONF_H

# pragma once

# include <openssl/macros.h>

# ifndef OPENSSL_NO_DEPRECATED_3_0

#  define HEADER_CONF_H

# endif

# include <openssl/bio.h>

# include <openssl/lhash.h>

# include <openssl/safestack.h>

# include <openssl/e_os2.h>

# include <openssl/types.h>

# include <openssl/conferr.h>

#ifdef  __cplusplus

extern "C" {

#endif

typedef struct {

    char *section;

    char *name;

    char *value;

} CONF_VALUE;

DEFINE_STACK_OF(CONF_VALUE)

DEFINE_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;

DEFINE_STACK_OF(CONF_MODULE)

DEFINE_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

int CONF_set_default_method(CONF_METHOD *meth);

void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash);

LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file,

                                long *eline);

# ifndef OPENSSL_NO_STDIO

LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp,

                                   long *eline);

# endif

LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp,

                                    long *eline);

STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf,

                                       const char *section);

char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf, const char *group,

                      const char *name);

long CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group,

                     const char *name);

void CONF_free(LHASH_OF(CONF_VALUE) *conf);

#ifndef OPENSSL_NO_STDIO

int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out);

#endif

int CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out);

DEPRECATEDIN_1_1_0(void OPENSSL_config(const char *config_name))

#ifndef OPENSSL_NO_DEPRECATED_1_1_0

# define OPENSSL_no_config() \

    OPENSSL_init_crypto(OPENSSL_INIT_NO_LOAD_CONFIG, NULL)

#endif

/*

 * 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;

    unsigned int flag_dollarid:1;

};

CONF *NCONF_new(CONF_METHOD *meth);

CONF_METHOD *NCONF_default(void);

DEPRECATEDIN_3_0(CONF_METHOD *NCONF_WIN32(void))

void NCONF_free(CONF *conf);

void NCONF_free_data(CONF *conf);

int NCONF_load(CONF *conf, const char *file, long *eline);

# ifndef OPENSSL_NO_STDIO

int NCONF_load_fp(CONF *conf, FILE *fp, long *eline);

# endif

int NCONF_load_bio(CONF *conf, BIO *bp, long *eline);

STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf,

                                        const char *section);

char *NCONF_get_string(const CONF *conf, const char *group, const char *name);

int NCONF_get_number_e(const CONF *conf, const char *group, const char *name,

                       long *result);

#ifndef OPENSSL_NO_STDIO

int NCONF_dump_fp(const CONF *conf, FILE *out);

#endif

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 */

int CONF_modules_load(const CONF *cnf, const char *appname,

                      unsigned long flags);

int CONF_modules_load_file(const char *filename, const char *appname,

                           unsigned long flags);

void CONF_modules_unload(int all);

void CONF_modules_finish(void);

#ifndef OPENSSL_NO_DEPRECATED_1_1_0

# define CONF_modules_free() while(0) continue

#endif

int CONF_module_add(const char *name, conf_init_func *ifunc,

                    conf_finish_func *ffunc);

const char *CONF_imodule_get_name(const CONF_IMODULE *md);

const char *CONF_imodule_get_value(const CONF_IMODULE *md);

void *CONF_imodule_get_usr_data(const CONF_IMODULE *md);

void CONF_imodule_set_usr_data(CONF_IMODULE *md, void *usr_data);

CONF_MODULE *CONF_imodule_get_module(const CONF_IMODULE *md);

unsigned long CONF_imodule_get_flags(const CONF_IMODULE *md);

void CONF_imodule_set_flags(CONF_IMODULE *md, unsigned long flags);

void *CONF_module_get_usr_data(CONF_MODULE *pmod);

void CONF_module_set_usr_data(CONF_MODULE *pmod, void *usr_data);

char *CONF_get1_default_config_file(void);

int CONF_parse_list(const char *list, int sep, int nospc,

                    int (*list_cb) (const char *elem, int len, void *usr),

                    void *arg);

void OPENSSL_load_builtin_modules(void);

# ifdef  __cplusplus

}

# endif

#endif