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      1 /* t_bitst.c */
      2 /* Written by Dr Stephen N Henson (steve (at) 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 (at) 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 (at) cryptsoft.com).  This product includes software written by Tim
     55  * Hudson (tjh (at) 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 }
    103