crypto/asn1/t_bitst.c

   1 /* t_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
  65 int ASN1_BIT_STRING_name_print(BIO *out, ASN1_BIT_STRING *bs,
  66                                BIT_STRING_BITNAME *tbl, int indent)
  67 {
  68     BIT_STRING_BITNAME *bnam;
  69     char first = 1;
  70     BIO_printf(out, "%*s", indent, "");
  71     for (bnam = tbl; bnam->lname; bnam++) {
  72         if (ASN1_BIT_STRING_get_bit(bs, bnam->bitnum)) {
  73             if (!first)
  74                 BIO_puts(out, ", ");
  75             BIO_puts(out, bnam->lname);
  76             first = 0;
  77         }
  78     }
  79     BIO_puts(out, "\n");
  80     return 1;
  81 }
  82
  83 int ASN1_BIT_STRING_set_asc(ASN1_BIT_STRING *bs, char *name, int value,
  84                             BIT_STRING_BITNAME *tbl)
  85 {
  86     int bitnum;
  87     bitnum = ASN1_BIT_STRING_num_asc(name, tbl);
  88     if (bitnum < 0)
  89         return 0;
  90     if (bs) {
  91         if (!ASN1_BIT_STRING_set_bit(bs, bitnum, value))
  92             return 0;
  93     }
  94     return 1;
  95 }
  96
  97 int ASN1_BIT_STRING_num_asc(char *name, BIT_STRING_BITNAME *tbl)
  98 {
  99     BIT_STRING_BITNAME *bnam;
 100     for (bnam = tbl; bnam->lname; bnam++) {
 101         if ((strcmp(bnam->sname, name) == 0)
 102             || (strcmp(bnam->lname, name) == 0))
 103             return bnam->bitnum;
 104     }
 105     return -1;
 106 }