crypto/libressl/crypto/asn1/x_exten.c

   1 /* $OpenBSD: x_exten.c,v 1.15 2015/02/11 04:00:39 jsing Exp $ */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project 2000.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2000 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)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  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 #include <stddef.h>
  60 #include <openssl/x509.h>
  61 #include <openssl/asn1.h>
  62 #include <openssl/asn1t.h>
  63
  64 static const ASN1_TEMPLATE X509_EXTENSION_seq_tt[] = {
  65         {
  66                 .offset = offsetof(X509_EXTENSION, object),
  67                 .field_name = "object",
  68                 .item = &ASN1_OBJECT_it,
  69         },
  70         {
  71                 .flags = ASN1_TFLG_OPTIONAL,
  72                 .offset = offsetof(X509_EXTENSION, critical),
  73                 .field_name = "critical",
  74                 .item = &ASN1_BOOLEAN_it,
  75         },
  76         {
  77                 .offset = offsetof(X509_EXTENSION, value),
  78                 .field_name = "value",
  79                 .item = &ASN1_OCTET_STRING_it,
  80         },
  81 };
  82
  83 const ASN1_ITEM X509_EXTENSION_it = {
  84         .itype = ASN1_ITYPE_SEQUENCE,
  85         .utype = V_ASN1_SEQUENCE,
  86         .templates = X509_EXTENSION_seq_tt,
  87         .tcount = sizeof(X509_EXTENSION_seq_tt) / sizeof(ASN1_TEMPLATE),
  88         .size = sizeof(X509_EXTENSION),
  89         .sname = "X509_EXTENSION",
  90 };
  91
  92 static const ASN1_TEMPLATE X509_EXTENSIONS_item_tt = {
  93         .flags = ASN1_TFLG_SEQUENCE_OF,
  94         .tag = 0,
  95         .offset = 0,
  96         .field_name = "Extension",
  97         .item = &X509_EXTENSION_it,
  98 };
  99
 100 const ASN1_ITEM X509_EXTENSIONS_it = {
 101         .itype = ASN1_ITYPE_PRIMITIVE,
 102         .utype = -1,
 103         .templates = &X509_EXTENSIONS_item_tt,
 104         .tcount = 0,
 105         .funcs = NULL,
 106         .size = 0,
 107         .sname = "X509_EXTENSIONS",
 108 };
 109
 110
 111 X509_EXTENSION *
 112 d2i_X509_EXTENSION(X509_EXTENSION **a, const unsigned char **in, long len)
 113 {
 114         return (X509_EXTENSION *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
 115             &X509_EXTENSION_it);
 116 }
 117
 118 int
 119 i2d_X509_EXTENSION(X509_EXTENSION *a, unsigned char **out)
 120 {
 121         return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_EXTENSION_it);
 122 }
 123
 124 X509_EXTENSION *
 125 X509_EXTENSION_new(void)
 126 {
 127         return (X509_EXTENSION *)ASN1_item_new(&X509_EXTENSION_it);
 128 }
 129
 130 void
 131 X509_EXTENSION_free(X509_EXTENSION *a)
 132 {
 133         ASN1_item_free((ASN1_VALUE *)a, &X509_EXTENSION_it);
 134 }
 135
 136 X509_EXTENSIONS *
 137 d2i_X509_EXTENSIONS(X509_EXTENSIONS **a, const unsigned char **in, long len)
 138 {
 139         return (X509_EXTENSIONS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
 140             &X509_EXTENSIONS_it);
 141 }
 142
 143 int
 144 i2d_X509_EXTENSIONS(X509_EXTENSIONS *a, unsigned char **out)
 145 {
 146         return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_EXTENSIONS_it);
 147 }
 148
 149 X509_EXTENSION *
 150 X509_EXTENSION_dup(X509_EXTENSION *x)
 151 {
 152         return ASN1_item_dup(&X509_EXTENSION_it, x);
 153 }