crypto/x509v3/v3_extku.c

   1 /* v3_extku.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   4  * 1999.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 1999 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 "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(const X509V3_EXT_METHOD *method,
  67                                     X509V3_CTX *ctx,
  68                                     STACK_OF(CONF_VALUE) *nval);
  69 static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD
  70                                                     *method, void *eku, STACK_OF(CONF_VALUE)
  71                                                     *extlist);
  72
  73 const X509V3_EXT_METHOD v3_ext_ku = {
  74     NID_ext_key_usage, 0,
  75     ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
  76     0, 0, 0, 0,
  77     0, 0,
  78     i2v_EXTENDED_KEY_USAGE,
  79     v2i_EXTENDED_KEY_USAGE,
  80     0, 0,
  81     NULL
  82 };
  83
  84 /* NB OCSP acceptable responses also is a SEQUENCE OF OBJECT */
  85 const X509V3_EXT_METHOD v3_ocsp_accresp = {
  86     NID_id_pkix_OCSP_acceptableResponses, 0,
  87     ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
  88     0, 0, 0, 0,
  89     0, 0,
  90     i2v_EXTENDED_KEY_USAGE,
  91     v2i_EXTENDED_KEY_USAGE,
  92     0, 0,
  93     NULL
  94 };
  95
  96 ASN1_ITEM_TEMPLATE(EXTENDED_KEY_USAGE) =
  97         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, EXTENDED_KEY_USAGE, ASN1_OBJECT)
  98 ASN1_ITEM_TEMPLATE_END(EXTENDED_KEY_USAGE)
  99
 100 IMPLEMENT_ASN1_FUNCTIONS(EXTENDED_KEY_USAGE)
 101
 102 static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD
 103                                                     *method, void *a, STACK_OF(CONF_VALUE)
 104                                                     *ext_list)
 105 {
 106     EXTENDED_KEY_USAGE *eku = a;
 107     int i;
 108     ASN1_OBJECT *obj;
 109     char obj_tmp[80];
 110     for (i = 0; i < sk_ASN1_OBJECT_num(eku); i++) {
 111         obj = sk_ASN1_OBJECT_value(eku, i);
 112         i2t_ASN1_OBJECT(obj_tmp, 80, obj);
 113         X509V3_add_value(NULL, obj_tmp, &ext_list);
 114     }
 115     return ext_list;
 116 }
 117
 118 static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
 119                                     X509V3_CTX *ctx,
 120                                     STACK_OF(CONF_VALUE) *nval)
 121 {
 122     EXTENDED_KEY_USAGE *extku;
 123     char *extval;
 124     ASN1_OBJECT *objtmp;
 125     CONF_VALUE *val;
 126     int i;
 127
 128     if ((extku = sk_ASN1_OBJECT_new_null()) == NULL) {
 129         X509V3err(X509V3_F_V2I_EXTENDED_KEY_USAGE, ERR_R_MALLOC_FAILURE);
 130         return NULL;
 131     }
 132
 133     for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
 134         val = sk_CONF_VALUE_value(nval, i);
 135         if (val->value)
 136             extval = val->value;
 137         else
 138             extval = val->name;
 139         if ((objtmp = OBJ_txt2obj(extval, 0)) == NULL) {
 140             sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free);
 141             X509V3err(X509V3_F_V2I_EXTENDED_KEY_USAGE,
 142                       X509V3_R_INVALID_OBJECT_IDENTIFIER);
 143             X509V3_conf_err(val);
 144             return NULL;
 145         }
 146         sk_ASN1_OBJECT_push(extku, objtmp);
 147     }
 148     return extku;
 149 }