xref: /openssl/crypto/asn1/t_bitst.c (revision 365a2d99)
1 /*
2  * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #include <stdio.h>
11 #include "internal/cryptlib.h"
12 #include <openssl/conf.h>
13 #include <openssl/x509v3.h>
14 
ASN1_BIT_STRING_name_print(BIO * out,ASN1_BIT_STRING * bs,BIT_STRING_BITNAME * tbl,int indent)15 int ASN1_BIT_STRING_name_print(BIO *out, ASN1_BIT_STRING *bs,
16                                BIT_STRING_BITNAME *tbl, int indent)
17 {
18     BIT_STRING_BITNAME *bnam;
19     char first = 1;
20     BIO_printf(out, "%*s", indent, "");
21     for (bnam = tbl; bnam->lname; bnam++) {
22         if (ASN1_BIT_STRING_get_bit(bs, bnam->bitnum)) {
23             if (!first)
24                 BIO_puts(out, ", ");
25             BIO_puts(out, bnam->lname);
26             first = 0;
27         }
28     }
29     BIO_puts(out, "\n");
30     return 1;
31 }
32 
ASN1_BIT_STRING_set_asc(ASN1_BIT_STRING * bs,const char * name,int value,BIT_STRING_BITNAME * tbl)33 int ASN1_BIT_STRING_set_asc(ASN1_BIT_STRING *bs, const char *name, int value,
34                             BIT_STRING_BITNAME *tbl)
35 {
36     int bitnum;
37     bitnum = ASN1_BIT_STRING_num_asc(name, tbl);
38     if (bitnum < 0)
39         return 0;
40     if (bs) {
41         if (!ASN1_BIT_STRING_set_bit(bs, bitnum, value))
42             return 0;
43     }
44     return 1;
45 }
46 
ASN1_BIT_STRING_num_asc(const char * name,BIT_STRING_BITNAME * tbl)47 int ASN1_BIT_STRING_num_asc(const char *name, BIT_STRING_BITNAME *tbl)
48 {
49     BIT_STRING_BITNAME *bnam;
50     for (bnam = tbl; bnam->lname; bnam++) {
51         if ((strcmp(bnam->sname, name) == 0)
52             || (strcmp(bnam->lname, name) == 0))
53             return bnam->bitnum;
54     }
55     return -1;
56 }
57