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conf.h
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conf.h
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/* 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 OPENSSL_HEADER_CONF_H
#define OPENSSL_HEADER_CONF_H
#include <openssl/base.h>
#include <openssl/lhash.h>
#include <openssl/stack.h>
#if defined(__cplusplus)
extern "C" {
#endif
// Config files look like:
//
// # Comment
//
// # This key is in the default section.
// key=value
//
// [section_name]
// key2=value2
//
// Config files are represented by a |CONF|. Use of this module is strongly
// discouraged. It is a remnant of the OpenSSL command-line tool. Parsing an
// untrusted input as a config file risks string injection and denial of service
// vulnerabilities.
struct conf_value_st {
char *section;
char *name;
char *value;
};
DEFINE_STACK_OF(CONF_VALUE)
DECLARE_LHASH_OF(CONF_VALUE)
// NCONF_new returns a fresh, empty |CONF|, or NULL on error. The |method|
// argument must be NULL.
OPENSSL_EXPORT CONF *NCONF_new(void *method);
// NCONF_free frees all the data owned by |conf| and then |conf| itself.
OPENSSL_EXPORT void NCONF_free(CONF *conf);
// NCONF_load parses the file named |filename| and adds the values found to
// |conf|. It returns one on success and zero on error. In the event of an
// error, if |out_error_line| is not NULL, |*out_error_line| is set to the
// number of the line that contained the error.
OPENSSL_EXPORT int NCONF_load(CONF *conf, const char *filename,
long *out_error_line);
// NCONF_load_bio acts like |NCONF_load| but reads from |bio| rather than from
// a named file.
OPENSSL_EXPORT int NCONF_load_bio(CONF *conf, BIO *bio, long *out_error_line);
// NCONF_get_section returns a stack of values for a given section in |conf|.
// If |section| is NULL, the default section is returned. It returns NULL on
// error.
OPENSSL_EXPORT const STACK_OF(CONF_VALUE) *NCONF_get_section(
const CONF *conf, const char *section);
// NCONF_get_string returns the value of the key |name|, in section |section|.
// The |section| argument may be NULL to indicate the default section. It
// returns the value or NULL on error.
OPENSSL_EXPORT const char *NCONF_get_string(const CONF *conf,
const char *section,
const char *name);
// General No-op Functions [Deprecated].
//
// AWS-LC has no support for loading config files to configure AWS-LC, so
// the following functions have been deprecated as no-ops.
// These defines do nothing but are provided to make old code easier to
// compile.
#define CONF_MFLAGS_DEFAULT_SECTION 0
#define CONF_MFLAGS_IGNORE_MISSING_FILE 0
// CONF_modules_load_file returns one. AWS-LC is defined to have no config
// file options, thus loading from |filename| always succeeds by doing nothing.
OPENSSL_EXPORT OPENSSL_DEPRECATED int CONF_modules_load_file(
const char *filename, const char *appname, unsigned long flags);
// CONF_modules_free does nothing.
OPENSSL_EXPORT OPENSSL_DEPRECATED void CONF_modules_free(void);
// CONF_modules_unload does nothing.
OPENSSL_EXPORT OPENSSL_DEPRECATED void CONF_modules_unload(int all);
// CONF_modules_finish does nothing.
OPENSSL_EXPORT OPENSSL_DEPRECATED void CONF_modules_finish(void);
// OPENSSL_config does nothing. This has been deprecated since OpenSSL 1.1.0.
//
// TODO (CryptoAlg-2398): Add |OPENSSL_DEPRECATED|. nginx defines -Werror and
// depends on this.
OPENSSL_EXPORT void OPENSSL_config(const char *config_name);
// OPENSSL_no_config does nothing. This has been deprecated since OpenSSL
// 1.1.0.
OPENSSL_EXPORT OPENSSL_DEPRECATED void OPENSSL_no_config(void);
#if defined(__cplusplus)
} // extern C
extern "C++" {
BSSL_NAMESPACE_BEGIN
BORINGSSL_MAKE_DELETER(CONF, NCONF_free)
BSSL_NAMESPACE_END
} // extern C++
#endif
#define CONF_R_LIST_CANNOT_BE_NULL 100
#define CONF_R_MISSING_CLOSE_SQUARE_BRACKET 101
#define CONF_R_MISSING_EQUAL_SIGN 102
#define CONF_R_NO_CLOSE_BRACE 103
#define CONF_R_UNABLE_TO_CREATE_NEW_SECTION 104
#define CONF_R_VARIABLE_HAS_NO_VALUE 105
#define CONF_R_VARIABLE_EXPANSION_TOO_LONG 106
#define CONF_R_VARIABLE_EXPANSION_NOT_SUPPORTED 107
#endif // OPENSSL_HEADER_THREAD_H