crypto/x509v3/v3_pmaps.c

   1 /* v3_pmaps.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   4  * project.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 2003 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 <stdio.h>
  61 #include "internal/cryptlib.h"
  62 #include <openssl/asn1t.h>
  63 #include <openssl/conf.h>
  64 #include <openssl/x509v3.h>
  65 #include "ext_dat.h"
  66
  67 static void *v2i_POLICY_MAPPINGS(const X509V3_EXT_METHOD *method,
  68                                  X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
  69 static STACK_OF(CONF_VALUE) *i2v_POLICY_MAPPINGS(const X509V3_EXT_METHOD
  70                                                  *method, void *pmps, STACK_OF(CONF_VALUE)
  71                                                  *extlist);
  72
  73 const X509V3_EXT_METHOD v3_policy_mappings = {
  74     NID_policy_mappings, 0,
  75     ASN1_ITEM_ref(POLICY_MAPPINGS),
  76     0, 0, 0, 0,
  77     0, 0,
  78     i2v_POLICY_MAPPINGS,
  79     v2i_POLICY_MAPPINGS,
  80     0, 0,
  81     NULL
  82 };
  83
  84 ASN1_SEQUENCE(POLICY_MAPPING) = {
  85         ASN1_SIMPLE(POLICY_MAPPING, issuerDomainPolicy, ASN1_OBJECT),
  86         ASN1_SIMPLE(POLICY_MAPPING, subjectDomainPolicy, ASN1_OBJECT)
  87 } ASN1_SEQUENCE_END(POLICY_MAPPING)
  88
  89 ASN1_ITEM_TEMPLATE(POLICY_MAPPINGS) =
  90         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, POLICY_MAPPINGS,
  91                                                                 POLICY_MAPPING)
  92 ASN1_ITEM_TEMPLATE_END(POLICY_MAPPINGS)
  93
  94 IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_MAPPING)
  95
  96 static STACK_OF(CONF_VALUE) *i2v_POLICY_MAPPINGS(const X509V3_EXT_METHOD
  97                                                  *method, void *a, STACK_OF(CONF_VALUE)
  98                                                  *ext_list)
  99 {
 100     POLICY_MAPPINGS *pmaps = a;
 101     POLICY_MAPPING *pmap;
 102     int i;
 103     char obj_tmp1[80];
 104     char obj_tmp2[80];
 105     for (i = 0; i < sk_POLICY_MAPPING_num(pmaps); i++) {
 106         pmap = sk_POLICY_MAPPING_value(pmaps, i);
 107         i2t_ASN1_OBJECT(obj_tmp1, 80, pmap->issuerDomainPolicy);
 108         i2t_ASN1_OBJECT(obj_tmp2, 80, pmap->subjectDomainPolicy);
 109         X509V3_add_value(obj_tmp1, obj_tmp2, &ext_list);
 110     }
 111     return ext_list;
 112 }
 113
 114 static void *v2i_POLICY_MAPPINGS(const X509V3_EXT_METHOD *method,
 115                                  X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
 116 {
 117     POLICY_MAPPINGS *pmaps;
 118     POLICY_MAPPING *pmap;
 119     ASN1_OBJECT *obj1, *obj2;
 120     CONF_VALUE *val;
 121     int i;
 122
 123     if ((pmaps = sk_POLICY_MAPPING_new_null()) == NULL) {
 124         X509V3err(X509V3_F_V2I_POLICY_MAPPINGS, ERR_R_MALLOC_FAILURE);
 125         return NULL;
 126     }
 127
 128     for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
 129         val = sk_CONF_VALUE_value(nval, i);
 130         if (!val->value || !val->name) {
 131             sk_POLICY_MAPPING_pop_free(pmaps, POLICY_MAPPING_free);
 132             X509V3err(X509V3_F_V2I_POLICY_MAPPINGS,
 133                       X509V3_R_INVALID_OBJECT_IDENTIFIER);
 134             X509V3_conf_err(val);
 135             return NULL;
 136         }
 137         obj1 = OBJ_txt2obj(val->name, 0);
 138         obj2 = OBJ_txt2obj(val->value, 0);
 139         if (!obj1 || !obj2) {
 140             sk_POLICY_MAPPING_pop_free(pmaps, POLICY_MAPPING_free);
 141             X509V3err(X509V3_F_V2I_POLICY_MAPPINGS,
 142                       X509V3_R_INVALID_OBJECT_IDENTIFIER);
 143             X509V3_conf_err(val);
 144             return NULL;
 145         }
 146         pmap = POLICY_MAPPING_new();
 147         if (pmap == NULL) {
 148             sk_POLICY_MAPPING_pop_free(pmaps, POLICY_MAPPING_free);
 149             X509V3err(X509V3_F_V2I_POLICY_MAPPINGS, ERR_R_MALLOC_FAILURE);
 150             return NULL;
 151         }
 152         pmap->issuerDomainPolicy = obj1;
 153         pmap->subjectDomainPolicy = obj2;
 154         sk_POLICY_MAPPING_push(pmaps, pmap);
 155     }
 156     return pmaps;
 157 }