crypto/libressl/crypto/x509v3/v3_pmaps.c

   1 /* $OpenBSD: v3_pmaps.c,v 1.11 2017/01/29 17:49:23 beck Exp $ */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2003 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58
  59
  60 #include <stdio.h>
  61
  62 #include <openssl/asn1t.h>
  63 #include <openssl/conf.h>
  64 #include <openssl/err.h>
  65 #include <openssl/x509v3.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(
  70     const X509V3_EXT_METHOD *method, void *pmps, STACK_OF(CONF_VALUE) *extlist);
  71
  72 const X509V3_EXT_METHOD v3_policy_mappings = {
  73         .ext_nid = NID_policy_mappings,
  74         .ext_flags = 0,
  75         .it = &POLICY_MAPPINGS_it,
  76         .ext_new = NULL,
  77         .ext_free = NULL,
  78         .d2i = NULL,
  79         .i2d = NULL,
  80         .i2s = NULL,
  81         .s2i = NULL,
  82         .i2v = i2v_POLICY_MAPPINGS,
  83         .v2i = v2i_POLICY_MAPPINGS,
  84         .i2r = NULL,
  85         .r2i = NULL,
  86         .usr_data = NULL,
  87 };
  88
  89 static const ASN1_TEMPLATE POLICY_MAPPING_seq_tt[] = {
  90         {
  91                 .flags = 0,
  92                 .tag = 0,
  93                 .offset = offsetof(POLICY_MAPPING, issuerDomainPolicy),
  94                 .field_name = "issuerDomainPolicy",
  95                 .item = &ASN1_OBJECT_it,
  96         },
  97         {
  98                 .flags = 0,
  99                 .tag = 0,
 100                 .offset = offsetof(POLICY_MAPPING, subjectDomainPolicy),
 101                 .field_name = "subjectDomainPolicy",
 102                 .item = &ASN1_OBJECT_it,
 103         },
 104 };
 105
 106 const ASN1_ITEM POLICY_MAPPING_it = {
 107         .itype = ASN1_ITYPE_SEQUENCE,
 108         .utype = V_ASN1_SEQUENCE,
 109         .templates = POLICY_MAPPING_seq_tt,
 110         .tcount = sizeof(POLICY_MAPPING_seq_tt) / sizeof(ASN1_TEMPLATE),
 111         .funcs = NULL,
 112         .size = sizeof(POLICY_MAPPING),
 113         .sname = "POLICY_MAPPING",
 114 };
 115
 116 static const ASN1_TEMPLATE POLICY_MAPPINGS_item_tt = {
 117         .flags = ASN1_TFLG_SEQUENCE_OF,
 118         .tag = 0,
 119         .offset = 0,
 120         .field_name = "POLICY_MAPPINGS",
 121         .item = &POLICY_MAPPING_it,
 122 };
 123
 124 const ASN1_ITEM POLICY_MAPPINGS_it = {
 125         .itype = ASN1_ITYPE_PRIMITIVE,
 126         .utype = -1,
 127         .templates = &POLICY_MAPPINGS_item_tt,
 128         .tcount = 0,
 129         .funcs = NULL,
 130         .size = 0,
 131         .sname = "POLICY_MAPPINGS",
 132 };
 133
 134
 135 POLICY_MAPPING *
 136 POLICY_MAPPING_new(void)
 137 {
 138         return (POLICY_MAPPING*)ASN1_item_new(&POLICY_MAPPING_it);
 139 }
 140
 141 void
 142 POLICY_MAPPING_free(POLICY_MAPPING *a)
 143 {
 144         ASN1_item_free((ASN1_VALUE *)a, &POLICY_MAPPING_it);
 145 }
 146
 147 static STACK_OF(CONF_VALUE) *
 148 i2v_POLICY_MAPPINGS(const X509V3_EXT_METHOD *method, void *a,
 149     STACK_OF(CONF_VALUE) *ext_list)
 150 {
 151         POLICY_MAPPINGS *pmaps = a;
 152         POLICY_MAPPING *pmap;
 153         int i;
 154         char obj_tmp1[80];
 155         char obj_tmp2[80];
 156
 157         for (i = 0; i < sk_POLICY_MAPPING_num(pmaps); i++) {
 158                 pmap = sk_POLICY_MAPPING_value(pmaps, i);
 159                 i2t_ASN1_OBJECT(obj_tmp1, 80, pmap->issuerDomainPolicy);
 160                 i2t_ASN1_OBJECT(obj_tmp2, 80, pmap->subjectDomainPolicy);
 161                 X509V3_add_value(obj_tmp1, obj_tmp2, &ext_list);
 162         }
 163         return ext_list;
 164 }
 165
 166 static void *
 167 v2i_POLICY_MAPPINGS(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
 168     STACK_OF(CONF_VALUE) *nval)
 169 {
 170         POLICY_MAPPINGS *pmaps = NULL;
 171         POLICY_MAPPING *pmap = NULL;
 172         ASN1_OBJECT *obj1 = NULL, *obj2 = NULL;
 173         CONF_VALUE *val;
 174         int i, rc;
 175
 176         if (!(pmaps = sk_POLICY_MAPPING_new_null())) {
 177                 X509V3error(ERR_R_MALLOC_FAILURE);
 178                 return NULL;
 179         }
 180
 181         for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
 182                 val = sk_CONF_VALUE_value(nval, i);
 183                 if (!val->value || !val->name) {
 184                         rc = X509V3_R_INVALID_OBJECT_IDENTIFIER;
 185                         goto err;
 186                 }
 187                 obj1 = OBJ_txt2obj(val->name, 0);
 188                 obj2 = OBJ_txt2obj(val->value, 0);
 189                 if (!obj1 || !obj2) {
 190                         rc = X509V3_R_INVALID_OBJECT_IDENTIFIER;
 191                         goto err;
 192                 }
 193                 pmap = POLICY_MAPPING_new();
 194                 if (!pmap) {
 195                         rc = ERR_R_MALLOC_FAILURE;
 196                         goto err;
 197                 }
 198                 pmap->issuerDomainPolicy = obj1;
 199                 pmap->subjectDomainPolicy = obj2;
 200                 obj1 = obj2 = NULL;
 201                 if (sk_POLICY_MAPPING_push(pmaps, pmap) == 0) {
 202                         rc = ERR_R_MALLOC_FAILURE;
 203                         goto err;
 204                 }
 205                 pmap = NULL;
 206         }
 207         return pmaps;
 208
 209 err:
 210         sk_POLICY_MAPPING_pop_free(pmaps, POLICY_MAPPING_free);
 211         X509V3error(rc);
 212         if (rc == X509V3_R_INVALID_OBJECT_IDENTIFIER)
 213                 X509V3_conf_err(val);
 214         ASN1_OBJECT_free(obj1);
 215         ASN1_OBJECT_free(obj2);
 216         POLICY_MAPPING_free(pmap);
 217         return NULL;
 218 }