crypto/x509/pcy_data.c

   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
  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
  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         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 }