2 * Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved.
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
10 #include "internal/cryptlib.h"
11 #include <openssl/asn1.h>
12 #include <openssl/x509v3.h>
14 #define ASN1_GEN_FLAG 0x10000
15 #define ASN1_GEN_FLAG_IMP (ASN1_GEN_FLAG|1)
16 #define ASN1_GEN_FLAG_EXP (ASN1_GEN_FLAG|2)
17 #define ASN1_GEN_FLAG_TAG (ASN1_GEN_FLAG|3)
18 #define ASN1_GEN_FLAG_BITWRAP (ASN1_GEN_FLAG|4)
19 #define ASN1_GEN_FLAG_OCTWRAP (ASN1_GEN_FLAG|5)
20 #define ASN1_GEN_FLAG_SEQWRAP (ASN1_GEN_FLAG|6)
21 #define ASN1_GEN_FLAG_SETWRAP (ASN1_GEN_FLAG|7)
22 #define ASN1_GEN_FLAG_FORMAT (ASN1_GEN_FLAG|8)
24 #define ASN1_GEN_STR(str,val) {str, sizeof(str) - 1, val}
26 #define ASN1_FLAG_EXP_MAX 20
27 /* Maximum number of nested sequences */
28 #define ASN1_GEN_SEQ_MAX_DEPTH 50
33 #define ASN1_GEN_FORMAT_ASCII 1
35 #define ASN1_GEN_FORMAT_UTF8 2
37 #define ASN1_GEN_FORMAT_HEX 3
39 #define ASN1_GEN_FORMAT_BITLIST 4
61 tag_exp_type exp_list
[ASN1_FLAG_EXP_MAX
];
65 static ASN1_TYPE
*generate_v3(const char *str
, X509V3_CTX
*cnf
, int depth
,
67 static int bitstr_cb(const char *elem
, int len
, void *bitstr
);
68 static int asn1_cb(const char *elem
, int len
, void *bitstr
);
69 static int append_exp(tag_exp_arg
*arg
, int exp_tag
, int exp_class
,
70 int exp_constructed
, int exp_pad
, int imp_ok
);
71 static int parse_tagging(const char *vstart
, int vlen
, int *ptag
,
73 static ASN1_TYPE
*asn1_multi(int utype
, const char *section
, X509V3_CTX
*cnf
,
74 int depth
, int *perr
);
75 static ASN1_TYPE
*asn1_str2type(const char *str
, int format
, int utype
);
76 static int asn1_str2tag(const char *tagstr
, int len
);
78 ASN1_TYPE
*ASN1_generate_nconf(const char *str
, CONF
*nconf
)
83 return ASN1_generate_v3(str
, NULL
);
85 X509V3_set_nconf(&cnf
, nconf
);
86 return ASN1_generate_v3(str
, &cnf
);
89 ASN1_TYPE
*ASN1_generate_v3(const char *str
, X509V3_CTX
*cnf
)
92 ASN1_TYPE
*ret
= generate_v3(str
, cnf
, 0, &err
);
94 ASN1err(ASN1_F_ASN1_GENERATE_V3
, err
);
98 static ASN1_TYPE
*generate_v3(const char *str
, X509V3_CTX
*cnf
, int depth
,
102 tag_exp_arg asn1_tags
;
107 unsigned char *orig_der
= NULL
, *new_der
= NULL
;
108 const unsigned char *cpy_start
;
110 const unsigned char *cp
;
113 int hdr_constructed
= 0, hdr_tag
, hdr_class
;
116 asn1_tags
.imp_tag
= -1;
117 asn1_tags
.imp_class
= -1;
118 asn1_tags
.format
= ASN1_GEN_FORMAT_ASCII
;
119 asn1_tags
.exp_count
= 0;
120 if (CONF_parse_list(str
, ',', 1, asn1_cb
, &asn1_tags
) != 0) {
121 *perr
= ASN1_R_UNKNOWN_TAG
;
125 if ((asn1_tags
.utype
== V_ASN1_SEQUENCE
)
126 || (asn1_tags
.utype
== V_ASN1_SET
)) {
128 *perr
= ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG
;
131 if (depth
>= ASN1_GEN_SEQ_MAX_DEPTH
) {
132 *perr
= ASN1_R_ILLEGAL_NESTED_TAGGING
;
135 ret
= asn1_multi(asn1_tags
.utype
, asn1_tags
.str
, cnf
, depth
, perr
);
137 ret
= asn1_str2type(asn1_tags
.str
, asn1_tags
.format
, asn1_tags
.utype
);
142 /* If no tagging return base type */
143 if ((asn1_tags
.imp_tag
== -1) && (asn1_tags
.exp_count
== 0))
146 /* Generate the encoding */
147 cpy_len
= i2d_ASN1_TYPE(ret
, &orig_der
);
150 /* Set point to start copying for modified encoding */
151 cpy_start
= orig_der
;
153 /* Do we need IMPLICIT tagging? */
154 if (asn1_tags
.imp_tag
!= -1) {
155 /* If IMPLICIT we will replace the underlying tag */
156 /* Skip existing tag+len */
157 r
= ASN1_get_object(&cpy_start
, &hdr_len
, &hdr_tag
, &hdr_class
,
161 /* Update copy length */
162 cpy_len
-= cpy_start
- orig_der
;
164 * For IMPLICIT tagging the length should match the original length
165 * and constructed flag should be consistent.
168 /* Indefinite length constructed */
172 /* Just retain constructed flag */
173 hdr_constructed
= r
& V_ASN1_CONSTRUCTED
;
175 * Work out new length with IMPLICIT tag: ignore constructed because
176 * it will mess up if indefinite length
178 len
= ASN1_object_size(0, hdr_len
, asn1_tags
.imp_tag
);
182 /* Work out length in any EXPLICIT, starting from end */
184 for (i
= 0, etmp
= asn1_tags
.exp_list
+ asn1_tags
.exp_count
- 1;
185 i
< asn1_tags
.exp_count
; i
++, etmp
--) {
186 /* Content length: number of content octets + any padding */
187 len
+= etmp
->exp_pad
;
189 /* Total object length: length including new header */
190 len
= ASN1_object_size(0, len
, etmp
->exp_tag
);
193 /* Allocate buffer for new encoding */
195 new_der
= OPENSSL_malloc(len
);
199 /* Generate tagged encoding */
203 /* Output explicit tags first */
205 for (i
= 0, etmp
= asn1_tags
.exp_list
; i
< asn1_tags
.exp_count
;
207 ASN1_put_object(&p
, etmp
->exp_constructed
, etmp
->exp_len
,
208 etmp
->exp_tag
, etmp
->exp_class
);
213 /* If IMPLICIT, output tag */
215 if (asn1_tags
.imp_tag
!= -1) {
216 if (asn1_tags
.imp_class
== V_ASN1_UNIVERSAL
217 && (asn1_tags
.imp_tag
== V_ASN1_SEQUENCE
218 || asn1_tags
.imp_tag
== V_ASN1_SET
))
219 hdr_constructed
= V_ASN1_CONSTRUCTED
;
220 ASN1_put_object(&p
, hdr_constructed
, hdr_len
,
221 asn1_tags
.imp_tag
, asn1_tags
.imp_class
);
224 /* Copy across original encoding */
225 memcpy(p
, cpy_start
, cpy_len
);
229 /* Obtain new ASN1_TYPE structure */
230 ret
= d2i_ASN1_TYPE(NULL
, &cp
, len
);
233 OPENSSL_free(orig_der
);
234 OPENSSL_free(new_der
);
240 static int asn1_cb(const char *elem
, int len
, void *bitstr
)
242 tag_exp_arg
*arg
= bitstr
;
246 const char *p
, *vstart
= NULL
;
248 int tmp_tag
, tmp_class
;
253 for (i
= 0, p
= elem
; i
< len
; p
++, i
++) {
254 /* Look for the ':' in name value pairs */
257 vlen
= len
- (vstart
- elem
);
263 utype
= asn1_str2tag(elem
, len
);
266 ASN1err(ASN1_F_ASN1_CB
, ASN1_R_UNKNOWN_TAG
);
267 ERR_add_error_data(2, "tag=", elem
);
271 /* If this is not a modifier mark end of string and exit */
272 if (!(utype
& ASN1_GEN_FLAG
)) {
275 /* If no value and not end of string, error */
276 if (!vstart
&& elem
[len
]) {
277 ASN1err(ASN1_F_ASN1_CB
, ASN1_R_MISSING_VALUE
);
285 case ASN1_GEN_FLAG_IMP
:
286 /* Check for illegal multiple IMPLICIT tagging */
287 if (arg
->imp_tag
!= -1) {
288 ASN1err(ASN1_F_ASN1_CB
, ASN1_R_ILLEGAL_NESTED_TAGGING
);
291 if (!parse_tagging(vstart
, vlen
, &arg
->imp_tag
, &arg
->imp_class
))
295 case ASN1_GEN_FLAG_EXP
:
297 if (!parse_tagging(vstart
, vlen
, &tmp_tag
, &tmp_class
))
299 if (!append_exp(arg
, tmp_tag
, tmp_class
, 1, 0, 0))
303 case ASN1_GEN_FLAG_SEQWRAP
:
304 if (!append_exp(arg
, V_ASN1_SEQUENCE
, V_ASN1_UNIVERSAL
, 1, 0, 1))
308 case ASN1_GEN_FLAG_SETWRAP
:
309 if (!append_exp(arg
, V_ASN1_SET
, V_ASN1_UNIVERSAL
, 1, 0, 1))
313 case ASN1_GEN_FLAG_BITWRAP
:
314 if (!append_exp(arg
, V_ASN1_BIT_STRING
, V_ASN1_UNIVERSAL
, 0, 1, 1))
318 case ASN1_GEN_FLAG_OCTWRAP
:
319 if (!append_exp(arg
, V_ASN1_OCTET_STRING
, V_ASN1_UNIVERSAL
, 0, 0, 1))
323 case ASN1_GEN_FLAG_FORMAT
:
325 ASN1err(ASN1_F_ASN1_CB
, ASN1_R_UNKNOWN_FORMAT
);
328 if (strncmp(vstart
, "ASCII", 5) == 0)
329 arg
->format
= ASN1_GEN_FORMAT_ASCII
;
330 else if (strncmp(vstart
, "UTF8", 4) == 0)
331 arg
->format
= ASN1_GEN_FORMAT_UTF8
;
332 else if (strncmp(vstart
, "HEX", 3) == 0)
333 arg
->format
= ASN1_GEN_FORMAT_HEX
;
334 else if (strncmp(vstart
, "BITLIST", 7) == 0)
335 arg
->format
= ASN1_GEN_FORMAT_BITLIST
;
337 ASN1err(ASN1_F_ASN1_CB
, ASN1_R_UNKNOWN_FORMAT
);
348 static int parse_tagging(const char *vstart
, int vlen
, int *ptag
, int *pclass
)
355 tag_num
= strtoul(vstart
, &eptr
, 10);
356 /* Check we haven't gone past max length: should be impossible */
357 if (eptr
&& *eptr
&& (eptr
> vstart
+ vlen
))
360 ASN1err(ASN1_F_PARSE_TAGGING
, ASN1_R_INVALID_NUMBER
);
364 /* If we have non numeric characters, parse them */
366 vlen
-= eptr
- vstart
;
373 *pclass
= V_ASN1_UNIVERSAL
;
377 *pclass
= V_ASN1_APPLICATION
;
381 *pclass
= V_ASN1_PRIVATE
;
385 *pclass
= V_ASN1_CONTEXT_SPECIFIC
;
391 ASN1err(ASN1_F_PARSE_TAGGING
, ASN1_R_INVALID_MODIFIER
);
392 ERR_add_error_data(2, "Char=", erch
);
397 *pclass
= V_ASN1_CONTEXT_SPECIFIC
;
403 /* Handle multiple types: SET and SEQUENCE */
405 static ASN1_TYPE
*asn1_multi(int utype
, const char *section
, X509V3_CTX
*cnf
,
406 int depth
, int *perr
)
408 ASN1_TYPE
*ret
= NULL
;
409 STACK_OF(ASN1_TYPE
) *sk
= NULL
;
410 STACK_OF(CONF_VALUE
) *sect
= NULL
;
411 unsigned char *der
= NULL
;
414 sk
= sk_ASN1_TYPE_new_null();
420 sect
= X509V3_get_section(cnf
, (char *)section
);
423 for (i
= 0; i
< sk_CONF_VALUE_num(sect
); i
++) {
425 generate_v3(sk_CONF_VALUE_value(sect
, i
)->value
, cnf
,
429 if (!sk_ASN1_TYPE_push(sk
, typ
))
435 * Now we has a STACK of the components, convert to the correct form
438 if (utype
== V_ASN1_SET
)
439 derlen
= i2d_ASN1_SET_ANY(sk
, &der
);
441 derlen
= i2d_ASN1_SEQUENCE_ANY(sk
, &der
);
445 if ((ret
= ASN1_TYPE_new()) == NULL
)
447 if ((ret
->value
.asn1_string
= ASN1_STRING_type_new(utype
)) == NULL
)
451 ret
->value
.asn1_string
->data
= der
;
452 ret
->value
.asn1_string
->length
= derlen
;
460 sk_ASN1_TYPE_pop_free(sk
, ASN1_TYPE_free
);
461 X509V3_section_free(cnf
, sect
);
466 static int append_exp(tag_exp_arg
*arg
, int exp_tag
, int exp_class
,
467 int exp_constructed
, int exp_pad
, int imp_ok
)
469 tag_exp_type
*exp_tmp
;
470 /* Can only have IMPLICIT if permitted */
471 if ((arg
->imp_tag
!= -1) && !imp_ok
) {
472 ASN1err(ASN1_F_APPEND_EXP
, ASN1_R_ILLEGAL_IMPLICIT_TAG
);
476 if (arg
->exp_count
== ASN1_FLAG_EXP_MAX
) {
477 ASN1err(ASN1_F_APPEND_EXP
, ASN1_R_DEPTH_EXCEEDED
);
481 exp_tmp
= &arg
->exp_list
[arg
->exp_count
++];
484 * If IMPLICIT set tag to implicit value then reset implicit tag since it
487 if (arg
->imp_tag
!= -1) {
488 exp_tmp
->exp_tag
= arg
->imp_tag
;
489 exp_tmp
->exp_class
= arg
->imp_class
;
493 exp_tmp
->exp_tag
= exp_tag
;
494 exp_tmp
->exp_class
= exp_class
;
496 exp_tmp
->exp_constructed
= exp_constructed
;
497 exp_tmp
->exp_pad
= exp_pad
;
502 static int asn1_str2tag(const char *tagstr
, int len
)
505 static const struct tag_name_st
*tntmp
, tnst
[] = {
506 ASN1_GEN_STR("BOOL", V_ASN1_BOOLEAN
),
507 ASN1_GEN_STR("BOOLEAN", V_ASN1_BOOLEAN
),
508 ASN1_GEN_STR("NULL", V_ASN1_NULL
),
509 ASN1_GEN_STR("INT", V_ASN1_INTEGER
),
510 ASN1_GEN_STR("INTEGER", V_ASN1_INTEGER
),
511 ASN1_GEN_STR("ENUM", V_ASN1_ENUMERATED
),
512 ASN1_GEN_STR("ENUMERATED", V_ASN1_ENUMERATED
),
513 ASN1_GEN_STR("OID", V_ASN1_OBJECT
),
514 ASN1_GEN_STR("OBJECT", V_ASN1_OBJECT
),
515 ASN1_GEN_STR("UTCTIME", V_ASN1_UTCTIME
),
516 ASN1_GEN_STR("UTC", V_ASN1_UTCTIME
),
517 ASN1_GEN_STR("GENERALIZEDTIME", V_ASN1_GENERALIZEDTIME
),
518 ASN1_GEN_STR("GENTIME", V_ASN1_GENERALIZEDTIME
),
519 ASN1_GEN_STR("OCT", V_ASN1_OCTET_STRING
),
520 ASN1_GEN_STR("OCTETSTRING", V_ASN1_OCTET_STRING
),
521 ASN1_GEN_STR("BITSTR", V_ASN1_BIT_STRING
),
522 ASN1_GEN_STR("BITSTRING", V_ASN1_BIT_STRING
),
523 ASN1_GEN_STR("UNIVERSALSTRING", V_ASN1_UNIVERSALSTRING
),
524 ASN1_GEN_STR("UNIV", V_ASN1_UNIVERSALSTRING
),
525 ASN1_GEN_STR("IA5", V_ASN1_IA5STRING
),
526 ASN1_GEN_STR("IA5STRING", V_ASN1_IA5STRING
),
527 ASN1_GEN_STR("UTF8", V_ASN1_UTF8STRING
),
528 ASN1_GEN_STR("UTF8String", V_ASN1_UTF8STRING
),
529 ASN1_GEN_STR("BMP", V_ASN1_BMPSTRING
),
530 ASN1_GEN_STR("BMPSTRING", V_ASN1_BMPSTRING
),
531 ASN1_GEN_STR("VISIBLESTRING", V_ASN1_VISIBLESTRING
),
532 ASN1_GEN_STR("VISIBLE", V_ASN1_VISIBLESTRING
),
533 ASN1_GEN_STR("PRINTABLESTRING", V_ASN1_PRINTABLESTRING
),
534 ASN1_GEN_STR("PRINTABLE", V_ASN1_PRINTABLESTRING
),
535 ASN1_GEN_STR("T61", V_ASN1_T61STRING
),
536 ASN1_GEN_STR("T61STRING", V_ASN1_T61STRING
),
537 ASN1_GEN_STR("TELETEXSTRING", V_ASN1_T61STRING
),
538 ASN1_GEN_STR("GeneralString", V_ASN1_GENERALSTRING
),
539 ASN1_GEN_STR("GENSTR", V_ASN1_GENERALSTRING
),
540 ASN1_GEN_STR("NUMERIC", V_ASN1_NUMERICSTRING
),
541 ASN1_GEN_STR("NUMERICSTRING", V_ASN1_NUMERICSTRING
),
544 ASN1_GEN_STR("SEQUENCE", V_ASN1_SEQUENCE
),
545 ASN1_GEN_STR("SEQ", V_ASN1_SEQUENCE
),
546 ASN1_GEN_STR("SET", V_ASN1_SET
),
549 ASN1_GEN_STR("EXP", ASN1_GEN_FLAG_EXP
),
550 ASN1_GEN_STR("EXPLICIT", ASN1_GEN_FLAG_EXP
),
552 ASN1_GEN_STR("IMP", ASN1_GEN_FLAG_IMP
),
553 ASN1_GEN_STR("IMPLICIT", ASN1_GEN_FLAG_IMP
),
554 /* OCTET STRING wrapper */
555 ASN1_GEN_STR("OCTWRAP", ASN1_GEN_FLAG_OCTWRAP
),
556 /* SEQUENCE wrapper */
557 ASN1_GEN_STR("SEQWRAP", ASN1_GEN_FLAG_SEQWRAP
),
559 ASN1_GEN_STR("SETWRAP", ASN1_GEN_FLAG_SETWRAP
),
560 /* BIT STRING wrapper */
561 ASN1_GEN_STR("BITWRAP", ASN1_GEN_FLAG_BITWRAP
),
562 ASN1_GEN_STR("FORM", ASN1_GEN_FLAG_FORMAT
),
563 ASN1_GEN_STR("FORMAT", ASN1_GEN_FLAG_FORMAT
),
567 len
= strlen(tagstr
);
570 for (i
= 0; i
< OSSL_NELEM(tnst
); i
++, tntmp
++) {
571 if ((len
== tntmp
->len
) && (strncmp(tntmp
->strnam
, tagstr
, len
) == 0))
578 static ASN1_TYPE
*asn1_str2type(const char *str
, int format
, int utype
)
580 ASN1_TYPE
*atmp
= NULL
;
582 unsigned char *rdata
;
586 if ((atmp
= ASN1_TYPE_new()) == NULL
) {
587 ASN1err(ASN1_F_ASN1_STR2TYPE
, ERR_R_MALLOC_FAILURE
);
598 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_NULL_VALUE
);
604 if (format
!= ASN1_GEN_FORMAT_ASCII
) {
605 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_NOT_ASCII_FORMAT
);
610 vtmp
.value
= (char *)str
;
611 if (!X509V3_get_value_bool(&vtmp
, &atmp
->value
.boolean
)) {
612 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_BOOLEAN
);
618 case V_ASN1_ENUMERATED
:
619 if (format
!= ASN1_GEN_FORMAT_ASCII
) {
620 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_INTEGER_NOT_ASCII_FORMAT
);
623 if ((atmp
->value
.integer
624 = s2i_ASN1_INTEGER(NULL
, str
)) == NULL
) {
625 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_INTEGER
);
631 if (format
!= ASN1_GEN_FORMAT_ASCII
) {
632 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_OBJECT_NOT_ASCII_FORMAT
);
635 if ((atmp
->value
.object
= OBJ_txt2obj(str
, 0)) == NULL
) {
636 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_OBJECT
);
642 case V_ASN1_GENERALIZEDTIME
:
643 if (format
!= ASN1_GEN_FORMAT_ASCII
) {
644 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_TIME_NOT_ASCII_FORMAT
);
647 if ((atmp
->value
.asn1_string
= ASN1_STRING_new()) == NULL
) {
648 ASN1err(ASN1_F_ASN1_STR2TYPE
, ERR_R_MALLOC_FAILURE
);
651 if (!ASN1_STRING_set(atmp
->value
.asn1_string
, str
, -1)) {
652 ASN1err(ASN1_F_ASN1_STR2TYPE
, ERR_R_MALLOC_FAILURE
);
655 atmp
->value
.asn1_string
->type
= utype
;
656 if (!ASN1_TIME_check(atmp
->value
.asn1_string
)) {
657 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_TIME_VALUE
);
663 case V_ASN1_BMPSTRING
:
664 case V_ASN1_PRINTABLESTRING
:
665 case V_ASN1_IA5STRING
:
666 case V_ASN1_T61STRING
:
667 case V_ASN1_UTF8STRING
:
668 case V_ASN1_VISIBLESTRING
:
669 case V_ASN1_UNIVERSALSTRING
:
670 case V_ASN1_GENERALSTRING
:
671 case V_ASN1_NUMERICSTRING
:
672 if (format
== ASN1_GEN_FORMAT_ASCII
)
673 format
= MBSTRING_ASC
;
674 else if (format
== ASN1_GEN_FORMAT_UTF8
)
675 format
= MBSTRING_UTF8
;
677 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_FORMAT
);
681 if (ASN1_mbstring_copy(&atmp
->value
.asn1_string
, (unsigned char *)str
,
682 -1, format
, ASN1_tag2bit(utype
)) <= 0) {
683 ASN1err(ASN1_F_ASN1_STR2TYPE
, ERR_R_MALLOC_FAILURE
);
689 case V_ASN1_BIT_STRING
:
690 case V_ASN1_OCTET_STRING
:
691 if ((atmp
->value
.asn1_string
= ASN1_STRING_new()) == NULL
) {
692 ASN1err(ASN1_F_ASN1_STR2TYPE
, ERR_R_MALLOC_FAILURE
);
696 if (format
== ASN1_GEN_FORMAT_HEX
) {
697 if ((rdata
= OPENSSL_hexstr2buf(str
, &rdlen
)) == NULL
) {
698 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_HEX
);
701 atmp
->value
.asn1_string
->data
= rdata
;
702 atmp
->value
.asn1_string
->length
= rdlen
;
703 atmp
->value
.asn1_string
->type
= utype
;
704 } else if (format
== ASN1_GEN_FORMAT_ASCII
)
705 ASN1_STRING_set(atmp
->value
.asn1_string
, str
, -1);
706 else if ((format
== ASN1_GEN_FORMAT_BITLIST
)
707 && (utype
== V_ASN1_BIT_STRING
)) {
709 (str
, ',', 1, bitstr_cb
, atmp
->value
.bit_string
)) {
710 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_LIST_ERROR
);
716 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_BITSTRING_FORMAT
);
720 if ((utype
== V_ASN1_BIT_STRING
) && no_unused
) {
721 atmp
->value
.asn1_string
->flags
722 &= ~(ASN1_STRING_FLAG_BITS_LEFT
| 0x07);
723 atmp
->value
.asn1_string
->flags
|= ASN1_STRING_FLAG_BITS_LEFT
;
729 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_UNSUPPORTED_TYPE
);
737 ERR_add_error_data(2, "string=", str
);
740 ASN1_TYPE_free(atmp
);
745 static int bitstr_cb(const char *elem
, int len
, void *bitstr
)
751 bitnum
= strtoul(elem
, &eptr
, 10);
752 if (eptr
&& *eptr
&& (eptr
!= elem
+ len
))
755 ASN1err(ASN1_F_BITSTR_CB
, ASN1_R_INVALID_NUMBER
);
758 if (!ASN1_BIT_STRING_set_bit(bitstr
, bitnum
, 1)) {
759 ASN1err(ASN1_F_BITSTR_CB
, ERR_R_MALLOC_FAILURE
);
765 static int mask_cb(const char *elem
, int len
, void *arg
)
767 unsigned long *pmask
= arg
, tmpmask
;
771 if ((len
== 3) && (strncmp(elem
, "DIR", 3) == 0)) {
772 *pmask
|= B_ASN1_DIRECTORYSTRING
;
775 tag
= asn1_str2tag(elem
, len
);
776 if (!tag
|| (tag
& ASN1_GEN_FLAG
))
778 tmpmask
= ASN1_tag2bit(tag
);
785 int ASN1_str2mask(const char *str
, unsigned long *pmask
)
788 return CONF_parse_list(str
, '|', 1, mask_cb
, pmask
);