/*

 * Copyright 2004-2020 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the OpenSSL license (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#include "internal/cryptlib.h"

#include <openssl/x509.h>

#include <openssl/x509v3.h>

#include "pcy_local.h"

/* Policy Node routines */

void policy_data_free(X509_POLICY_DATA *data)

{

    if (data == NULL)

        return;

    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 CertificatePolicies 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 == NULL && cid == NULL)

        return NULL;

    if (cid) {

        id = OBJ_dup(cid);

        if (id == NULL)

            return NULL;

    } else

        id = NULL;

    ret = OPENSSL_zalloc(sizeof(*ret));

    if (ret == NULL) {

        X509V3err(X509V3_F_POLICY_DATA_NEW, ERR_R_MALLOC_FAILURE);

        ASN1_OBJECT_free(id);

        return NULL;

    }

    ret->expected_policy_set = sk_ASN1_OBJECT_new_null();

    if (ret->expected_policy_set == NULL) {

        OPENSSL_free(ret);

        ASN1_OBJECT_free(id);

        X509V3err(X509V3_F_POLICY_DATA_NEW, ERR_R_MALLOC_FAILURE);

        return NULL;

    }

    if (crit)

        ret->flags = POLICY_DATA_FLAG_CRITICAL;

    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;

    }

    return ret;

}