crypto/openssl-0.9/crypto/x509v3/v3_extku.c

   1 /* v3_extku.c */
   2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
   3  * project 1999.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 1999 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
  60 #include <stdio.h>
  61 #include "cryptlib.h"
  62 #include <openssl/asn1t.h>
  63 #include <openssl/conf.h>
  64 #include <openssl/x509v3.h>
  65
  66 static void *v2i_EXTENDED_KEY_USAGE(X509V3_EXT_METHOD *method,
  67                                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
  68 static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(X509V3_EXT_METHOD *method,
  69                 void *eku, STACK_OF(CONF_VALUE) *extlist);
  70
  71 const X509V3_EXT_METHOD v3_ext_ku = {
  72         NID_ext_key_usage, 0,
  73         ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
  74         0,0,0,0,
  75         0,0,
  76         i2v_EXTENDED_KEY_USAGE,
  77         v2i_EXTENDED_KEY_USAGE,
  78         0,0,
  79         NULL
  80 };
  81
  82 /* NB OCSP acceptable responses also is a SEQUENCE OF OBJECT */
  83 const X509V3_EXT_METHOD v3_ocsp_accresp = {
  84         NID_id_pkix_OCSP_acceptableResponses, 0,
  85         ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
  86         0,0,0,0,
  87         0,0,
  88         i2v_EXTENDED_KEY_USAGE,
  89         v2i_EXTENDED_KEY_USAGE,
  90         0,0,
  91         NULL
  92 };
  93
  94 ASN1_ITEM_TEMPLATE(EXTENDED_KEY_USAGE) =
  95         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, EXTENDED_KEY_USAGE, ASN1_OBJECT)
  96 ASN1_ITEM_TEMPLATE_END(EXTENDED_KEY_USAGE)
  97
  98 IMPLEMENT_ASN1_FUNCTIONS(EXTENDED_KEY_USAGE)
  99
 100 static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(X509V3_EXT_METHOD *method,
 101                 void *a, STACK_OF(CONF_VALUE) *ext_list)
 102 {
 103         EXTENDED_KEY_USAGE *eku = a;
 104         int i;
 105         ASN1_OBJECT *obj;
 106         char obj_tmp[80];
 107         for(i = 0; i < sk_ASN1_OBJECT_num(eku); i++) {
 108                 obj = sk_ASN1_OBJECT_value(eku, i);
 109                 i2t_ASN1_OBJECT(obj_tmp, 80, obj);
 110                 X509V3_add_value(NULL, obj_tmp, &ext_list);
 111         }
 112         return ext_list;
 113 }
 114
 115 static void *v2i_EXTENDED_KEY_USAGE(X509V3_EXT_METHOD *method,
 116                                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
 117 {
 118         EXTENDED_KEY_USAGE *extku;
 119         char *extval;
 120         ASN1_OBJECT *objtmp;
 121         CONF_VALUE *val;
 122         int i;
 123
 124         if(!(extku = sk_ASN1_OBJECT_new_null())) {
 125                 X509V3err(X509V3_F_V2I_EXTENDED_KEY_USAGE,ERR_R_MALLOC_FAILURE);
 126                 return NULL;
 127         }
 128
 129         for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
 130                 val = sk_CONF_VALUE_value(nval, i);
 131                 if(val->value) extval = val->value;
 132                 else extval = val->name;
 133                 if(!(objtmp = OBJ_txt2obj(extval, 0))) {
 134                         sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free);
 135                         X509V3err(X509V3_F_V2I_EXTENDED_KEY_USAGE,X509V3_R_INVALID_OBJECT_IDENTIFIER);
 136                         X509V3_conf_err(val);
 137                         return NULL;
 138                 }
 139                 sk_ASN1_OBJECT_push(extku, objtmp);
 140         }
 141         return extku;
 142 }