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1 /* pcy_data.c */
2 /*
3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4  * 2004.
5  */
6 /* ====================================================================
7  * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in
18  *    the documentation and/or other materials provided with the
19  *    distribution.
20  *
21  * 3. All advertising materials mentioning features or use of this
22  *    software must display the following acknowledgment:
23  *    "This product includes software developed by the OpenSSL Project
24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25  *
26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27  *    endorse or promote products derived from this software without
28  *    prior written permission. For written permission, please contact
29  *    licensing@OpenSSL.org.
30  *
31  * 5. Products derived from this software may not be called "OpenSSL"
32  *    nor may "OpenSSL" appear in their names without prior written
33  *    permission of the OpenSSL Project.
34  *
35  * 6. Redistributions of any form whatsoever must retain the following
36  *    acknowledgment:
37  *    "This product includes software developed by the OpenSSL Project
38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39  *
40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51  * OF THE POSSIBILITY OF SUCH DAMAGE.
52  * ====================================================================
53  *
54  * This product includes cryptographic software written by Eric Young
55  * (eay@cryptsoft.com).  This product includes software written by Tim
56  * Hudson (tjh@cryptsoft.com).
57  *
58  */
59 
60 #include <openssl/mem.h>
61 #include <openssl/obj.h>
62 #include <openssl/x509.h>
63 #include <openssl/x509v3.h>
64 
65 #include "pcy_int.h"
66 
67 /* Policy Node routines */
68 
policy_data_free(X509_POLICY_DATA * data)69 void policy_data_free(X509_POLICY_DATA *data)
70 {
71     ASN1_OBJECT_free(data->valid_policy);
72     /* Don't free qualifiers if shared */
73     if (!(data->flags & POLICY_DATA_FLAG_SHARED_QUALIFIERS))
74         sk_POLICYQUALINFO_pop_free(data->qualifier_set, POLICYQUALINFO_free);
75     sk_ASN1_OBJECT_pop_free(data->expected_policy_set, ASN1_OBJECT_free);
76     OPENSSL_free(data);
77 }
78 
79 /*
80  * Create a data based on an existing policy. If 'id' is NULL use the oid in
81  * the policy, otherwise use 'id'. This behaviour covers the two types of
82  * data in RFC3280: data with from a CertificatePolcies extension and
83  * additional data with just the qualifiers of anyPolicy and ID from another
84  * source.
85  */
86 
policy_data_new(POLICYINFO * policy,const ASN1_OBJECT * cid,int crit)87 X509_POLICY_DATA *policy_data_new(POLICYINFO *policy,
88                                   const ASN1_OBJECT *cid, int crit)
89 {
90     X509_POLICY_DATA *ret;
91     ASN1_OBJECT *id;
92     if (!policy && !cid)
93         return NULL;
94     if (cid) {
95         id = OBJ_dup(cid);
96         if (!id)
97             return NULL;
98     } else
99         id = NULL;
100     ret = OPENSSL_malloc(sizeof(X509_POLICY_DATA));
101     if (!ret)
102         return NULL;
103     ret->expected_policy_set = sk_ASN1_OBJECT_new_null();
104     if (!ret->expected_policy_set) {
105         OPENSSL_free(ret);
106         if (id)
107             ASN1_OBJECT_free(id);
108         return NULL;
109     }
110 
111     if (crit)
112         ret->flags = POLICY_DATA_FLAG_CRITICAL;
113     else
114         ret->flags = 0;
115 
116     if (id)
117         ret->valid_policy = id;
118     else {
119         ret->valid_policy = policy->policyid;
120         policy->policyid = NULL;
121     }
122 
123     if (policy) {
124         ret->qualifier_set = policy->qualifiers;
125         policy->qualifiers = NULL;
126     } else
127         ret->qualifier_set = NULL;
128 
129     return ret;
130 }
131