1/*
2 * Copyright 2004-2018 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include "internal/cryptlib.h"
11#include <openssl/x509.h>
12#include <openssl/x509v3.h>
13
14#include "pcy_local.h"
15
16/* Policy Node routines */
17
18void policy_data_free(X509_POLICY_DATA *data)
19{
20 if (data == NULL)
21 return;
22 ASN1_OBJECT_free(data->valid_policy);
23 /* Don't free qualifiers if shared */
24 if (!(data->flags & POLICY_DATA_FLAG_SHARED_QUALIFIERS))
25 sk_POLICYQUALINFO_pop_free(data->qualifier_set, POLICYQUALINFO_free);
26 sk_ASN1_OBJECT_pop_free(data->expected_policy_set, ASN1_OBJECT_free);
27 OPENSSL_free(data);
28}
29
30/*
31 * Create a data based on an existing policy. If 'id' is NULL use the OID in
32 * the policy, otherwise use 'id'. This behaviour covers the two types of
33 * data in RFC3280: data with from a CertificatePolicies extension and
34 * additional data with just the qualifiers of anyPolicy and ID from another
35 * source.
36 */
37
38X509_POLICY_DATA *policy_data_new(POLICYINFO *policy,
39 const ASN1_OBJECT *cid, int crit)
40{
41 X509_POLICY_DATA *ret;
42 ASN1_OBJECT *id;
43
44 if (policy == NULL && cid == NULL)
45 return NULL;
46 if (cid) {
47 id = OBJ_dup(cid);
48 if (id == NULL)
49 return NULL;
50 } else
51 id = NULL;
52 ret = OPENSSL_zalloc(sizeof(*ret));
53 if (ret == NULL) {
54 X509V3err(X509V3_F_POLICY_DATA_NEW, ERR_R_MALLOC_FAILURE);
55 return NULL;
56 }
57 ret->expected_policy_set = sk_ASN1_OBJECT_new_null();
58 if (ret->expected_policy_set == NULL) {
59 OPENSSL_free(ret);
60 ASN1_OBJECT_free(id);
61 X509V3err(X509V3_F_POLICY_DATA_NEW, ERR_R_MALLOC_FAILURE);
62 return NULL;
63 }
64
65 if (crit)
66 ret->flags = POLICY_DATA_FLAG_CRITICAL;
67
68 if (id)
69 ret->valid_policy = id;
70 else {
71 ret->valid_policy = policy->policyid;
72 policy->policyid = NULL;
73 }
74
75 if (policy) {
76 ret->qualifier_set = policy->qualifiers;
77 policy->qualifiers = NULL;
78 }
79
80 return ret;
81}
82