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      1 /* pcy_data.c */
      2 /*
      3  * Written by Dr Stephen N Henson (steve (at) 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 (at) 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 (at) cryptsoft.com).  This product includes software written by Tim
     56  * Hudson (tjh (at) 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 
     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 
     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