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1 /*
2  * Copyright 2004-2020 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the OpenSSL license (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 
policy_data_free(X509_POLICY_DATA * data)18 void 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 
policy_data_new(POLICYINFO * policy,const ASN1_OBJECT * cid,int crit)38 X509_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         ASN1_OBJECT_free(id);
56         return NULL;
57     }
58     ret->expected_policy_set = sk_ASN1_OBJECT_new_null();
59     if (ret->expected_policy_set == NULL) {
60         OPENSSL_free(ret);
61         ASN1_OBJECT_free(id);
62         X509V3err(X509V3_F_POLICY_DATA_NEW, ERR_R_MALLOC_FAILURE);
63         return NULL;
64     }
65 
66     if (crit)
67         ret->flags = POLICY_DATA_FLAG_CRITICAL;
68 
69     if (id)
70         ret->valid_policy = id;
71     else {
72         ret->valid_policy = policy->policyid;
73         policy->policyid = NULL;
74     }
75 
76     if (policy) {
77         ret->qualifier_set = policy->qualifiers;
78         policy->qualifiers = NULL;
79     }
80 
81     return ret;
82 }
83