/* asn_moid.c */

/* Written by Stephen Henson (shenson@bigfoot.com) for the OpenSSL

 * project 2001.

 */

/* ====================================================================

 * Copyright (c) 2001-2004 The OpenSSL Project.  All rights reserved.

 *

 * 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 above 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 acknowledgment:

 *    "This product includes software developed by the OpenSSL Project

 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"

 *

 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to

 *    endorse or promote products derived from this software without

 *    prior written permission. For written permission, please contact

 *    licensing@OpenSSL.org.

 *

 * 5. Products derived from this software may not be called "OpenSSL"

 *    nor may "OpenSSL" appear in their names without prior written

 *    permission of the OpenSSL Project.

 *

 * 6. Redistributions of any form whatsoever must retain the following

 *    acknowledgment:

 *    "This product includes software developed by the OpenSSL Project

 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"

 *

 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY

 * EXPRESSED 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 OpenSSL PROJECT OR

 * ITS 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.

 * ====================================================================

 *

 * This product includes cryptographic software written by Eric Young

 * (eay@cryptsoft.com).  This product includes software written by Tim

 * Hudson (tjh@cryptsoft.com).

 *

 */

#include <stdio.h>

#include <ctype.h>

#include <openssl/crypto.h>

#include "cryptlib.h"

#include <openssl/conf.h>

#include <openssl/dso.h>

#include <openssl/x509.h>

/* Simple ASN1 OID module: add all objects in a given section */

static int do_create(char *value, char *name);

static int oid_module_init(CONF_IMODULE *md, const CONF *cnf)

	{

	int i;

	const char *oid_section;

	STACK_OF(CONF_VALUE) *sktmp;

	CONF_VALUE *oval;

	oid_section = CONF_imodule_get_value(md);

	if(!(sktmp = NCONF_get_section(cnf, oid_section)))

		{

		ASN1err(ASN1_F_OID_MODULE_INIT, ASN1_R_ERROR_LOADING_SECTION);

		return 0;

		}

	for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++)

		{

		oval = sk_CONF_VALUE_value(sktmp, i);

		if(!do_create(oval->value, oval->name))

			{

			ASN1err(ASN1_F_OID_MODULE_INIT, ASN1_R_ADDING_OBJECT);

			return 0;

			}

		}

	return 1;

	}

static void oid_module_finish(CONF_IMODULE *md)

	{

	OBJ_cleanup();

	}

EXPORT_C void ASN1_add_oid_module(void)

	{

	CONF_module_add("oid_section", oid_module_init, oid_module_finish);

	}

/* Create an OID based on a name value pair. Accept two formats.

 * shortname = 1.2.3.4

 * shortname = some long name, 1.2.3.4

 */

static int do_create(char *value, char *name)

	{

	int nid;

	ASN1_OBJECT *oid;

	char *ln, *ostr, *p, *lntmp;

	p = strrchr(value, ',');

	if (!p)

		{

		ln = name;

		ostr = value;

		}

	else

		{

		ln = NULL;

		ostr = p + 1;

		if (!*ostr)

			return 0;

		while(isspace((unsigned char)*ostr)) ostr++;

		}

	nid = OBJ_create(ostr, name, ln);

	if (nid == NID_undef)

		return 0;

	if (p)

		{

		ln = value;

		while(isspace((unsigned char)*ln)) ln++;

		p--;

		while(isspace((unsigned char)*p))

			{

			if (p == ln)

				return 0;

			p--;

			}

		p++;

		lntmp = OPENSSL_malloc((p - ln) + 1);

		if (lntmp == NULL)

			return 0;

		memcpy(lntmp, ln, p - ln);

		lntmp[p - ln] = 0;

		oid = OBJ_nid2obj(nid);

		oid->ln = lntmp;

		}

	return 1;

	}