crypto/x509v3/v3_bitst.c

   1 /* v3_bitst.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 #include <stdio.h>
  60 #include "cryptlib.h"
  61 #include <openssl/conf.h>
  62 #include <openssl/x509v3.h>
  63
  64 static ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
  65                                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
  66 static STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
  67                                 ASN1_BIT_STRING *bits,
  68                                 STACK_OF(CONF_VALUE) *extlist);
  69
  70 static BIT_STRING_BITNAME ns_cert_type_table[] = {
  71 {0, "SSL Client", "client"},
  72 {1, "SSL Server", "server"},
  73 {2, "S/MIME", "email"},
  74 {3, "Object Signing", "objsign"},
  75 {4, "Unused", "reserved"},
  76 {5, "SSL CA", "sslCA"},
  77 {6, "S/MIME CA", "emailCA"},
  78 {7, "Object Signing CA", "objCA"},
  79 {-1, NULL, NULL}
  80 };
  81
  82 static BIT_STRING_BITNAME key_usage_type_table[] = {
  83 {0, "Digital Signature", "digitalSignature"},
  84 {1, "Non Repudiation", "nonRepudiation"},
  85 {2, "Key Encipherment", "keyEncipherment"},
  86 {3, "Data Encipherment", "dataEncipherment"},
  87 {4, "Key Agreement", "keyAgreement"},
  88 {5, "Certificate Sign", "keyCertSign"},
  89 {6, "CRL Sign", "cRLSign"},
  90 {7, "Encipher Only", "encipherOnly"},
  91 {8, "Decipher Only", "decipherOnly"},
  92 {-1, NULL, NULL}
  93 };
  94
  95
  96
  97 X509V3_EXT_METHOD v3_nscert = EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table);
  98 X509V3_EXT_METHOD v3_key_usage = EXT_BITSTRING(NID_key_usage, key_usage_type_table);
  99
 100 static STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
 101              ASN1_BIT_STRING *bits, STACK_OF(CONF_VALUE) *ret)
 102 {
 103         BIT_STRING_BITNAME *bnam;
 104         for(bnam =method->usr_data; bnam->lname; bnam++) {
 105                 if(ASN1_BIT_STRING_get_bit(bits, bnam->bitnum))
 106                         X509V3_add_value(bnam->lname, NULL, &ret);
 107         }
 108         return ret;
 109 }
 110
 111 static ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
 112              X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
 113 {
 114         CONF_VALUE *val;
 115         ASN1_BIT_STRING *bs;
 116         int i;
 117         BIT_STRING_BITNAME *bnam;
 118         if(!(bs = M_ASN1_BIT_STRING_new())) {
 119                 X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,ERR_R_MALLOC_FAILURE);
 120                 return NULL;
 121         }
 122         for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
 123                 val = sk_CONF_VALUE_value(nval, i);
 124                 for(bnam = method->usr_data; bnam->lname; bnam++) {
 125                         if(!strcmp(bnam->sname, val->name) ||
 126                                 !strcmp(bnam->lname, val->name) ) {
 127                                 ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1);
 128                                 break;
 129                         }
 130                 }
 131                 if(!bnam->lname) {
 132                         X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,
 133                                         X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT);
 134                         X509V3_conf_err(val);
 135                         M_ASN1_BIT_STRING_free(bs);
 136                         return NULL;
 137                 }
 138         }
 139         return bs;
 140 }
 141
 142