1 /* t_bitst.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) 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 int ASN1_BIT_STRING_name_print(BIO *out, ASN1_BIT_STRING *bs,
  65                                 BIT_STRING_BITNAME *tbl, int indent)
  66 {
  67         BIT_STRING_BITNAME *bnam;
  68         char first = 1;
  69         BIO_printf(out, "%*s", indent, "");
  70         for(bnam = tbl; bnam->lname; bnam++) {
  71                 if(ASN1_BIT_STRING_get_bit(bs, bnam->bitnum)) {
  72                         if(!first) BIO_puts(out, ", ");
  73                         BIO_puts(out, bnam->lname);
  74                         first = 0;
  75                 }
  76         }
  77         BIO_puts(out, "\n");
  78         return 1;
  79 }
  80 
  81 int ASN1_BIT_STRING_set_asc(ASN1_BIT_STRING *bs, char *name, int value,
  82                                 BIT_STRING_BITNAME *tbl)
  83 {
  84         int bitnum;
  85         bitnum = ASN1_BIT_STRING_num_asc(name, tbl);
  86         if(bitnum < 0) return 0;
  87         if(bs) {
  88                 if(!ASN1_BIT_STRING_set_bit(bs, bitnum, value))
  89                         return 0;
  90         }
  91         return 1;
  92 }
  93 
  94 int ASN1_BIT_STRING_num_asc(char *name, BIT_STRING_BITNAME *tbl)
  95 {
  96         BIT_STRING_BITNAME *bnam;
  97         for(bnam = tbl; bnam->lname; bnam++) {
  98                 if(!strcmp(bnam->sname, name) ||
  99                         !strcmp(bnam->lname, name) ) return bnam->bitnum;
 100         }
 101         return -1;
 102 }