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openssl/crypto/conf/conf.h
Dr. Stephen Henson 3647bee263 Config code updates. 
CONF_modules_unload() now calls CONF_modules_finish()
automatically.

Default use of section openssl_conf moved to
CONF_modules_load()

Load config file in several openssl utilities.

Most utilities now load modules from the config file,
though in a few (such as version) this isn't done
because it couldn't be used for anything.

In the case of ca and req the config file used is
the same as the utility itself: that is the -config
command line option can be used to specify an
alternative file.
2002-02-22 14:01:21 +00:00

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/* crypto/conf/conf.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#ifndef HEADER_CONF_H
#define HEADER_CONF_H
#include <openssl/bio.h>
#include <openssl/lhash.h>
#include <openssl/stack.h>
#include <openssl/safestack.h>
#include <openssl/e_os2.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
char *section;
char *name;
char *value;
} CONF_VALUE;
DECLARE_STACK_OF(CONF_VALUE)
DECLARE_STACK_OF(CONF_MODULE)
DECLARE_STACK_OF(CONF_IMODULE)
struct conf_st;
typedef struct conf_st CONF;
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;
/* 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
int CONF_set_default_method(CONF_METHOD *meth);
void CONF_set_nconf(CONF *conf,LHASH *hash);
LHASH *CONF_load(LHASH *conf,const char *file,long *eline);
#ifndef OPENSSL_NO_FP_API
LHASH *CONF_load_fp(LHASH *conf, FILE *fp,long *eline);
#endif
LHASH *CONF_load_bio(LHASH *conf, BIO *bp,long *eline);
STACK_OF(CONF_VALUE) *CONF_get_section(LHASH *conf,const char *section);
char *CONF_get_string(LHASH *conf,const char *group,const char *name);
long CONF_get_number(LHASH *conf,const char *group,const char *name);
void CONF_free(LHASH *conf);
int CONF_dump_fp(LHASH *conf, FILE *out);
int CONF_dump_bio(LHASH *conf, BIO *out);
void OPENSSL_config(const char *config_name);
/* 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 *data;
};
CONF *NCONF_new(CONF_METHOD *meth);
CONF_METHOD *NCONF_default();
CONF_METHOD *NCONF_WIN32();
#if 0 /* Just to give you an idea of what I have in mind */
CONF_METHOD *NCONF_XML();
#endif
void NCONF_free(CONF *conf);
void NCONF_free_data(CONF *conf);
int NCONF_load(CONF *conf,const char *file,long *eline);
#ifndef OPENSSL_NO_FP_API
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);
int NCONF_dump_fp(const CONF *conf, FILE *out);
int NCONF_dump_bio(const CONF *conf, BIO *out);
#if 0 /* The following function has no error checking,
and should therefore be avoided */
long NCONF_get_number(CONF *conf,char *group,char *name);
#else
#define NCONF_get_number(c,g,n,r) NCONF_get_number_e(c,g,n,r)
#endif
/* 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);
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);
/* 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.
*/
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_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_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
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