crypto/x509v3/v3_bitst.c

   1 /* v3_bitst.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 "internal/cryptlib.h"
  62 #include <openssl/conf.h>
  63 #include <openssl/x509v3.h>
  64 #include "ext_dat.h"
  65
  66 static BIT_STRING_BITNAME ns_cert_type_table[] = {
  67     {0, "SSL Client", "client"},
  68     {1, "SSL Server", "server"},
  69     {2, "S/MIME", "email"},
  70     {3, "Object Signing", "objsign"},
  71     {4, "Unused", "reserved"},
  72     {5, "SSL CA", "sslCA"},
  73     {6, "S/MIME CA", "emailCA"},
  74     {7, "Object Signing CA", "objCA"},
  75     {-1, NULL, NULL}
  76 };
  77
  78 static BIT_STRING_BITNAME key_usage_type_table[] = {
  79     {0, "Digital Signature", "digitalSignature"},
  80     {1, "Non Repudiation", "nonRepudiation"},
  81     {2, "Key Encipherment", "keyEncipherment"},
  82     {3, "Data Encipherment", "dataEncipherment"},
  83     {4, "Key Agreement", "keyAgreement"},
  84     {5, "Certificate Sign", "keyCertSign"},
  85     {6, "CRL Sign", "cRLSign"},
  86     {7, "Encipher Only", "encipherOnly"},
  87     {8, "Decipher Only", "decipherOnly"},
  88     {-1, NULL, NULL}
  89 };
  90
  91 const X509V3_EXT_METHOD v3_nscert =
  92 EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table);
  93 const X509V3_EXT_METHOD v3_key_usage =
  94 EXT_BITSTRING(NID_key_usage, key_usage_type_table);
  95
  96 STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
  97                                           ASN1_BIT_STRING *bits,
  98                                           STACK_OF(CONF_VALUE) *ret)
  99 {
 100     BIT_STRING_BITNAME *bnam;
 101     for (bnam = method->usr_data; bnam->lname; bnam++) {
 102         if (ASN1_BIT_STRING_get_bit(bits, bnam->bitnum))
 103             X509V3_add_value(bnam->lname, NULL, &ret);
 104     }
 105     return ret;
 106 }
 107
 108 ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
 109                                      X509V3_CTX *ctx,
 110                                      STACK_OF(CONF_VALUE) *nval)
 111 {
 112     CONF_VALUE *val;
 113     ASN1_BIT_STRING *bs;
 114     int i;
 115     BIT_STRING_BITNAME *bnam;
 116     if ((bs = ASN1_BIT_STRING_new()) == NULL) {
 117         X509V3err(X509V3_F_V2I_ASN1_BIT_STRING, ERR_R_MALLOC_FAILURE);
 118         return NULL;
 119     }
 120     for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
 121         val = sk_CONF_VALUE_value(nval, i);
 122         for (bnam = method->usr_data; bnam->lname; bnam++) {
 123             if (strcmp(bnam->sname, val->name) == 0
 124                 || strcmp(bnam->lname, val->name) == 0) {
 125                 if (!ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1)) {
 126                     X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,
 127                               ERR_R_MALLOC_FAILURE);
 128                     ASN1_BIT_STRING_free(bs);
 129                     return NULL;
 130                 }
 131                 break;
 132             }
 133         }
 134         if (!bnam->lname) {
 135             X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,
 136                       X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT);
 137             X509V3_conf_err(val);
 138             ASN1_BIT_STRING_free(bs);
 139             return NULL;
 140         }
 141     }
 142     return bs;
 143 }