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free NULL cleanup
[thirdparty/openssl.git] / crypto / x509v3 / pcy_data.c
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 "cryptlib.h"
61 #include <openssl/x509.h>
62 #include <openssl/x509v3.h>
63
64 #include "pcy_int.h"
65
66 /* Policy Node routines */
67
68 void policy_data_free(X509_POLICY_DATA *data)
69 {
70 ASN1_OBJECT_free(data->valid_policy);
71 /* Don't free qualifiers if shared */
72 if (!(data->flags & POLICY_DATA_FLAG_SHARED_QUALIFIERS))
73 sk_POLICYQUALINFO_pop_free(data->qualifier_set, POLICYQUALINFO_free);
74 sk_ASN1_OBJECT_pop_free(data->expected_policy_set, ASN1_OBJECT_free);
75 OPENSSL_free(data);
76 }
77
78 /*
79 * Create a data based on an existing policy. If 'id' is NULL use the oid in
80 * the policy, otherwise use 'id'. This behaviour covers the two types of
81 * data in RFC3280: data with from a CertificatePolcies extension and
82 * additional data with just the qualifiers of anyPolicy and ID from another
83 * source.
84 */
85
86 X509_POLICY_DATA *policy_data_new(POLICYINFO *policy,
87 const ASN1_OBJECT *cid, int crit)
88 {
89 X509_POLICY_DATA *ret;
90 ASN1_OBJECT *id;
91 if (!policy && !cid)
92 return NULL;
93 if (cid) {
94 id = OBJ_dup(cid);
95 if (!id)
96 return NULL;
97 } else
98 id = NULL;
99 ret = OPENSSL_malloc(sizeof(X509_POLICY_DATA));
100 if (!ret)
101 return NULL;
102 ret->expected_policy_set = sk_ASN1_OBJECT_new_null();
103 if (!ret->expected_policy_set) {
104 OPENSSL_free(ret);
105 ASN1_OBJECT_free(id);
106 return NULL;
107 }
108
109 if (crit)
110 ret->flags = POLICY_DATA_FLAG_CRITICAL;
111 else
112 ret->flags = 0;
113
114 if (id)
115 ret->valid_policy = id;
116 else {
117 ret->valid_policy = policy->policyid;
118 policy->policyid = NULL;
119 }
120
121 if (policy) {
122 ret->qualifier_set = policy->qualifiers;
123 policy->qualifiers = NULL;
124 } else
125 ret->qualifier_set = NULL;
126
127 return ret;
128 }