Support for policy mappings extension.

[thirdparty/openssl.git] / crypto / x509v3 / pcy_data.c

/* pcy_data.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
 * project 2004.
 */
/* ====================================================================
 * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
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 * modification, are permitted provided that the following conditions
 * are met:
 *
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 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
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 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include "cryptlib.h"
#include <openssl/x509.h>
#include <openssl/x509v3.h>

#include "pcy_int.h"

/* Policy Node routines */

void policy_data_free(X509_POLICY_DATA *data)
	{
	ASN1_OBJECT_free(data->valid_policy);
	/* Don't free qualifiers if shared */
	if (!(data->flags & POLICY_DATA_FLAG_SHARED_QUALIFIERS))
		sk_POLICYQUALINFO_pop_free(data->qualifier_set,
					POLICYQUALINFO_free);
	sk_ASN1_OBJECT_pop_free(data->expected_policy_set, ASN1_OBJECT_free);
	OPENSSL_free(data);
	}

/* Create a data based on an existing policy. If 'id' is NULL use the
 * oid in the policy, otherwise use 'id'. This behaviour covers the two
 * types of data in RFC3280: data with from a CertificatePolcies extension
 * and additional data with just the qualifiers of anyPolicy and ID from
 * another source.
 */

X509_POLICY_DATA *policy_data_new(POLICYINFO *policy,
					const ASN1_OBJECT *cid, int crit)
	{
	X509_POLICY_DATA *ret;
	ASN1_OBJECT *id;
	if (!policy && !cid)
		return NULL;
	if (cid)
		{
		id = OBJ_dup(cid);
		if (!id)
			return NULL;
		}
	else
		id = NULL;
	ret = OPENSSL_malloc(sizeof(X509_POLICY_DATA));
	if (!ret)
		return NULL;
	ret->expected_policy_set = sk_ASN1_OBJECT_new_null();
	if (!ret->expected_policy_set)
		{
		OPENSSL_free(ret);
		if (id)
			ASN1_OBJECT_free(id);
		return NULL;
		}

	if (crit)
		ret->flags = POLICY_DATA_FLAG_CRITICAL;
	else
		ret->flags = 0;

	if (id)
		ret->valid_policy = id;
	else
		{
		ret->valid_policy = policy->policyid;
		policy->policyid = NULL;
		}

	if (policy)
		{
		ret->qualifier_set = policy->qualifiers;
		policy->qualifiers = NULL;
		}
	else
		ret->qualifier_set = NULL;

	return ret;
	}