1 /* t_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 EXPORT_C 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 EXPORT_C 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 EXPORT_C 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 }