sl@0: /* conf_lib.c */
sl@0: /* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
sl@0:  * project 2000.
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    licensing@OpenSSL.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0:  /*
sl@0:  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
sl@0:  */
sl@0: 
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include <openssl/crypto.h>
sl@0: #include <openssl/err.h>
sl@0: #include <openssl/conf.h>
sl@0: #include <openssl/conf_api.h>
sl@0: #include <openssl/lhash.h>
sl@0: #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
sl@0: #include "libcrypto_wsd_macros.h"
sl@0: #include "libcrypto_wsd.h"
sl@0: #endif
sl@0: 
sl@0: 
sl@0: const char CONF_version[]="CONF" OPENSSL_VERSION_PTEXT;
sl@0: 
sl@0: #ifndef EMULATOR
sl@0: static CONF_METHOD *default_CONF_method=NULL;
sl@0: #else
sl@0: GET_STATIC_VAR_FROM_TLS(default_CONF_method,conf_lib,const CONF_METHOD *)
sl@0: #define default_CONF_method (*GET_WSD_VAR_NAME(default_CONF_method,conf_lib, s)())
sl@0: #endif
sl@0: 
sl@0: /* Init a 'CONF' structure from an old LHASH */
sl@0: 
sl@0: EXPORT_C void CONF_set_nconf(CONF *conf, LHASH *hash)
sl@0: 	{
sl@0: 	if (default_CONF_method == NULL)
sl@0: 		default_CONF_method = NCONF_default();
sl@0: 
sl@0: 	default_CONF_method->init(conf);
sl@0: 	conf->data = hash;
sl@0: 	}
sl@0: 
sl@0: /* The following section contains the "CONF classic" functions,
sl@0:    rewritten in terms of the new CONF interface. */
sl@0: 
sl@0: EXPORT_C int CONF_set_default_method(CONF_METHOD *meth)
sl@0: 	{
sl@0: 	default_CONF_method = meth;
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C LHASH *CONF_load(LHASH *conf, const char *file, long *eline)
sl@0: 	{
sl@0: 	LHASH *ltmp;
sl@0: 	BIO *in=NULL;
sl@0: 
sl@0: #ifdef OPENSSL_SYS_VMS
sl@0: 	in=BIO_new_file(file, "r");
sl@0: #else
sl@0: 	in=BIO_new_file(file, "rb");
sl@0: #endif
sl@0: 	if (in == NULL)
sl@0: 		{
sl@0: 		CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
sl@0: 		return NULL;
sl@0: 		}
sl@0: 
sl@0: 	ltmp = CONF_load_bio(conf, in, eline);
sl@0: 	BIO_free(in);
sl@0: 
sl@0: 	return ltmp;
sl@0: 	}
sl@0: 
sl@0: #ifndef OPENSSL_NO_FP_API
sl@0: EXPORT_C LHASH *CONF_load_fp(LHASH *conf, FILE *fp,long *eline)
sl@0: 	{
sl@0: 	BIO *btmp;
sl@0: 	LHASH *ltmp;
sl@0: 	if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) {
sl@0: 		CONFerr(CONF_F_CONF_LOAD_FP,ERR_R_BUF_LIB);
sl@0: 		return NULL;
sl@0: 	}
sl@0: 	ltmp = CONF_load_bio(conf, btmp, eline);
sl@0: 	BIO_free(btmp);
sl@0: 	return ltmp;
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: EXPORT_C LHASH *CONF_load_bio(LHASH *conf, BIO *bp,long *eline)
sl@0: 	{
sl@0: 	CONF ctmp;
sl@0: 	int ret;
sl@0: 
sl@0: 	CONF_set_nconf(&ctmp, conf);
sl@0: 
sl@0: 	ret = NCONF_load_bio(&ctmp, bp, eline);
sl@0: 	if (ret)
sl@0: 		return ctmp.data;
sl@0: 	return NULL;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C STACK_OF(CONF_VALUE) *CONF_get_section(LHASH *conf,const char *section)
sl@0: 	{
sl@0: 	if (conf == NULL)
sl@0: 		{
sl@0: 		return NULL;
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		CONF ctmp;
sl@0: 		CONF_set_nconf(&ctmp, conf);
sl@0: 		return NCONF_get_section(&ctmp, section);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C char *CONF_get_string(LHASH *conf,const char *group,const char *name)
sl@0: 	{
sl@0: 	if (conf == NULL)
sl@0: 		{
sl@0: 		return NCONF_get_string(NULL, group, name);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		CONF ctmp;
sl@0: 		CONF_set_nconf(&ctmp, conf);
sl@0: 		return NCONF_get_string(&ctmp, group, name);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C long CONF_get_number(LHASH *conf,const char *group,const char *name)
sl@0: 	{
sl@0: 	int status;
sl@0: 	long result = 0;
sl@0: 
sl@0: 	if (conf == NULL)
sl@0: 		{
sl@0: 		status = NCONF_get_number_e(NULL, group, name, &result);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		CONF ctmp;
sl@0: 		CONF_set_nconf(&ctmp, conf);
sl@0: 		status = NCONF_get_number_e(&ctmp, group, name, &result);
sl@0: 		}
sl@0: 
sl@0: 	if (status == 0)
sl@0: 		{
sl@0: 		/* This function does not believe in errors... */
sl@0: 		ERR_clear_error();
sl@0: 		}
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CONF_free(LHASH *conf)
sl@0: 	{
sl@0: 	CONF ctmp;
sl@0: 	CONF_set_nconf(&ctmp, conf);
sl@0: 	NCONF_free_data(&ctmp);
sl@0: 	}
sl@0: 
sl@0: #ifndef OPENSSL_NO_FP_API
sl@0: EXPORT_C int CONF_dump_fp(LHASH *conf, FILE *out)
sl@0: 	{
sl@0: 	BIO *btmp;
sl@0: 	int ret;
sl@0: 
sl@0: 	if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
sl@0: 		CONFerr(CONF_F_CONF_DUMP_FP,ERR_R_BUF_LIB);
sl@0: 		return 0;
sl@0: 	}
sl@0: 	ret = CONF_dump_bio(conf, btmp);
sl@0: 	BIO_free(btmp);
sl@0: 	return ret;
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: EXPORT_C int CONF_dump_bio(LHASH *conf, BIO *out)
sl@0: 	{
sl@0: 	CONF ctmp;
sl@0: 	CONF_set_nconf(&ctmp, conf);
sl@0: 	return NCONF_dump_bio(&ctmp, out);
sl@0: 	}
sl@0: 
sl@0: /* The following section contains the "New CONF" functions.  They are
sl@0:    completely centralised around a new CONF structure that may contain
sl@0:    basically anything, but at least a method pointer and a table of data.
sl@0:    These functions are also written in terms of the bridge functions used
sl@0:    by the "CONF classic" functions, for consistency.  */
sl@0: 
sl@0: EXPORT_C CONF *NCONF_new(CONF_METHOD *meth)
sl@0: 	{
sl@0: 	CONF *ret;
sl@0: 
sl@0: 	if (meth == NULL)
sl@0: 		meth = NCONF_default();
sl@0: 
sl@0: 	ret = meth->create(meth);
sl@0: 	if (ret == NULL)
sl@0: 		{
sl@0: 		CONFerr(CONF_F_NCONF_NEW,ERR_R_MALLOC_FAILURE);
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void NCONF_free(CONF *conf)
sl@0: 	{
sl@0: 	if (conf == NULL)
sl@0: 		return;
sl@0: 	conf->meth->destroy(conf);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void NCONF_free_data(CONF *conf)
sl@0: 	{
sl@0: 	if (conf == NULL)
sl@0: 		return;
sl@0: 	conf->meth->destroy_data(conf);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int NCONF_load(CONF *conf, const char *file, long *eline)
sl@0: 	{
sl@0: 	if (conf == NULL)
sl@0: 		{
sl@0: 		CONFerr(CONF_F_NCONF_LOAD,CONF_R_NO_CONF);
sl@0: 		return 0;
sl@0: 		}
sl@0: 
sl@0: 	return conf->meth->load(conf, file, eline);
sl@0: 	}
sl@0: 
sl@0: #ifndef OPENSSL_NO_FP_API
sl@0: EXPORT_C int NCONF_load_fp(CONF *conf, FILE *fp,long *eline)
sl@0: 	{
sl@0: 	BIO *btmp;
sl@0: 	int ret;
sl@0: 	if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE)))
sl@0: 		{
sl@0: 		CONFerr(CONF_F_NCONF_LOAD_FP,ERR_R_BUF_LIB);
sl@0: 		return 0;
sl@0: 		}
sl@0: 	ret = NCONF_load_bio(conf, btmp, eline);
sl@0: 	BIO_free(btmp);
sl@0: 	return ret;
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: EXPORT_C int NCONF_load_bio(CONF *conf, BIO *bp,long *eline)
sl@0: 	{
sl@0: 	if (conf == NULL)
sl@0: 		{
sl@0: 		CONFerr(CONF_F_NCONF_LOAD_BIO,CONF_R_NO_CONF);
sl@0: 		return 0;
sl@0: 		}
sl@0: 
sl@0: 	return conf->meth->load_bio(conf, bp, eline);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf,const char *section)
sl@0: 	{
sl@0: 	if (conf == NULL)
sl@0: 		{
sl@0: 		CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_CONF);
sl@0: 		return NULL;
sl@0: 		}
sl@0: 
sl@0: 	if (section == NULL)
sl@0: 		{
sl@0: 		CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_SECTION);
sl@0: 		return NULL;
sl@0: 		}
sl@0: 
sl@0: 	return _CONF_get_section_values(conf, section);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C char *NCONF_get_string(const CONF *conf,const char *group,const char *name)
sl@0: 	{
sl@0: 	char *s = _CONF_get_string(conf, group, name);
sl@0: 
sl@0:         /* Since we may get a value from an environment variable even
sl@0:            if conf is NULL, let's check the value first */
sl@0:         if (s) return s;
sl@0: 
sl@0: 	if (conf == NULL)
sl@0: 		{
sl@0: 		CONFerr(CONF_F_NCONF_GET_STRING,
sl@0:                         CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
sl@0: 		return NULL;
sl@0: 		}
sl@0: 	CONFerr(CONF_F_NCONF_GET_STRING,
sl@0: 		CONF_R_NO_VALUE);
sl@0: 	ERR_add_error_data(4,"group=",group," name=",name);
sl@0: 	return NULL;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int NCONF_get_number_e(const CONF *conf,const char *group,const char *name,
sl@0: 		       long *result)
sl@0: 	{
sl@0: 	char *str;
sl@0: 
sl@0: 	if (result == NULL)
sl@0: 		{
sl@0: 		CONFerr(CONF_F_NCONF_GET_NUMBER_E,ERR_R_PASSED_NULL_PARAMETER);
sl@0: 		return 0;
sl@0: 		}
sl@0: 
sl@0: 	str = NCONF_get_string(conf,group,name);
sl@0: 
sl@0: 	if (str == NULL)
sl@0: 		return 0;
sl@0: 
sl@0: 	for (*result = 0;conf->meth->is_number(conf, *str);)
sl@0: 		{
sl@0: 		*result = (*result)*10 + conf->meth->to_int(conf, *str);
sl@0: 		str++;
sl@0: 		}
sl@0: 
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: #ifndef OPENSSL_NO_FP_API
sl@0: EXPORT_C int NCONF_dump_fp(const CONF *conf, FILE *out)
sl@0: 	{
sl@0: 	BIO *btmp;
sl@0: 	int ret;
sl@0: 	if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
sl@0: 		CONFerr(CONF_F_NCONF_DUMP_FP,ERR_R_BUF_LIB);
sl@0: 		return 0;
sl@0: 	}
sl@0: 	ret = NCONF_dump_bio(conf, btmp);
sl@0: 	BIO_free(btmp);
sl@0: 	return ret;
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: EXPORT_C int NCONF_dump_bio(const CONF *conf, BIO *out)
sl@0: 	{
sl@0: 	if (conf == NULL)
sl@0: 		{
sl@0: 		CONFerr(CONF_F_NCONF_DUMP_BIO,CONF_R_NO_CONF);
sl@0: 		return 0;
sl@0: 		}
sl@0: 
sl@0: 	return conf->meth->dump(conf, out);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /* This function should be avoided */
sl@0: #if 0
sl@0: long NCONF_get_number(CONF *conf,char *group,char *name)
sl@0: 	{
sl@0: 	int status;
sl@0: 	long ret=0;
sl@0: 
sl@0: 	status = NCONF_get_number_e(conf, group, name, &ret);
sl@0: 	if (status == 0)
sl@0: 		{
sl@0: 		/* This function does not believe in errors... */
sl@0: 		ERR_get_error();
sl@0: 		}
sl@0: 	return ret;
sl@0: 	}
sl@0: #endif