2 * Copyright 2002-2021 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>
13 #include "internal/e_os.h" /* strncasecmp() */
15 #define ASN1_GEN_FLAG 0x10000
16 #define ASN1_GEN_FLAG_IMP (ASN1_GEN_FLAG|1)
17 #define ASN1_GEN_FLAG_EXP (ASN1_GEN_FLAG|2)
18 #define ASN1_GEN_FLAG_TAG (ASN1_GEN_FLAG|3)
19 #define ASN1_GEN_FLAG_BITWRAP (ASN1_GEN_FLAG|4)
20 #define ASN1_GEN_FLAG_OCTWRAP (ASN1_GEN_FLAG|5)
21 #define ASN1_GEN_FLAG_SEQWRAP (ASN1_GEN_FLAG|6)
22 #define ASN1_GEN_FLAG_SETWRAP (ASN1_GEN_FLAG|7)
23 #define ASN1_GEN_FLAG_FORMAT (ASN1_GEN_FLAG|8)
25 #define ASN1_GEN_STR(str,val) {str, sizeof(str) - 1, val}
27 #define ASN1_FLAG_EXP_MAX 20
28 /* Maximum number of nested sequences */
29 #define ASN1_GEN_SEQ_MAX_DEPTH 50
34 #define ASN1_GEN_FORMAT_ASCII 1
36 #define ASN1_GEN_FORMAT_UTF8 2
38 #define ASN1_GEN_FORMAT_HEX 3
40 #define ASN1_GEN_FORMAT_BITLIST 4
62 tag_exp_type exp_list
[ASN1_FLAG_EXP_MAX
];
66 static ASN1_TYPE
*generate_v3(const char *str
, X509V3_CTX
*cnf
, int depth
,
68 static int bitstr_cb(const char *elem
, int len
, void *bitstr
);
69 static int asn1_cb(const char *elem
, int len
, void *bitstr
);
70 static int append_exp(tag_exp_arg
*arg
, int exp_tag
, int exp_class
,
71 int exp_constructed
, int exp_pad
, int imp_ok
);
72 static int parse_tagging(const char *vstart
, int vlen
, int *ptag
,
74 static ASN1_TYPE
*asn1_multi(int utype
, const char *section
, X509V3_CTX
*cnf
,
75 int depth
, int *perr
);
76 static ASN1_TYPE
*asn1_str2type(const char *str
, int format
, int utype
);
77 static int asn1_str2tag(const char *tagstr
, int len
);
79 ASN1_TYPE
*ASN1_generate_nconf(const char *str
, CONF
*nconf
)
84 return ASN1_generate_v3(str
, NULL
);
86 X509V3_set_nconf(&cnf
, nconf
);
87 return ASN1_generate_v3(str
, &cnf
);
90 ASN1_TYPE
*ASN1_generate_v3(const char *str
, X509V3_CTX
*cnf
)
93 ASN1_TYPE
*ret
= generate_v3(str
, cnf
, 0, &err
);
95 ERR_raise(ERR_LIB_ASN1
, err
);
99 static ASN1_TYPE
*generate_v3(const char *str
, X509V3_CTX
*cnf
, int depth
,
103 tag_exp_arg asn1_tags
;
108 unsigned char *orig_der
= NULL
, *new_der
= NULL
;
109 const unsigned char *cpy_start
;
111 const unsigned char *cp
;
114 int hdr_constructed
= 0, hdr_tag
, hdr_class
;
117 asn1_tags
.imp_tag
= -1;
118 asn1_tags
.imp_class
= -1;
119 asn1_tags
.format
= ASN1_GEN_FORMAT_ASCII
;
120 asn1_tags
.exp_count
= 0;
121 if (CONF_parse_list(str
, ',', 1, asn1_cb
, &asn1_tags
) != 0) {
122 *perr
= ASN1_R_UNKNOWN_TAG
;
126 if ((asn1_tags
.utype
== V_ASN1_SEQUENCE
)
127 || (asn1_tags
.utype
== V_ASN1_SET
)) {
129 *perr
= ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG
;
132 if (depth
>= ASN1_GEN_SEQ_MAX_DEPTH
) {
133 *perr
= ASN1_R_ILLEGAL_NESTED_TAGGING
;
136 ret
= asn1_multi(asn1_tags
.utype
, asn1_tags
.str
, cnf
, depth
, perr
);
138 ret
= asn1_str2type(asn1_tags
.str
, asn1_tags
.format
, asn1_tags
.utype
);
143 /* If no tagging return base type */
144 if ((asn1_tags
.imp_tag
== -1) && (asn1_tags
.exp_count
== 0))
147 /* Generate the encoding */
148 cpy_len
= i2d_ASN1_TYPE(ret
, &orig_der
);
151 /* Set point to start copying for modified encoding */
152 cpy_start
= orig_der
;
154 /* Do we need IMPLICIT tagging? */
155 if (asn1_tags
.imp_tag
!= -1) {
156 /* If IMPLICIT we will replace the underlying tag */
157 /* Skip existing tag+len */
158 r
= ASN1_get_object(&cpy_start
, &hdr_len
, &hdr_tag
, &hdr_class
,
162 /* Update copy length */
163 cpy_len
-= cpy_start
- orig_der
;
165 * For IMPLICIT tagging the length should match the original length
166 * and constructed flag should be consistent.
169 /* Indefinite length constructed */
173 /* Just retain constructed flag */
174 hdr_constructed
= r
& V_ASN1_CONSTRUCTED
;
176 * Work out new length with IMPLICIT tag: ignore constructed because
177 * it will mess up if indefinite length
179 len
= ASN1_object_size(0, hdr_len
, asn1_tags
.imp_tag
);
183 /* Work out length in any EXPLICIT, starting from end */
185 for (i
= 0, etmp
= asn1_tags
.exp_list
+ asn1_tags
.exp_count
- 1;
186 i
< asn1_tags
.exp_count
; i
++, etmp
--) {
187 /* Content length: number of content octets + any padding */
188 len
+= etmp
->exp_pad
;
190 /* Total object length: length including new header */
191 len
= ASN1_object_size(0, len
, etmp
->exp_tag
);
194 /* Allocate buffer for new encoding */
196 new_der
= OPENSSL_malloc(len
);
200 /* Generate tagged encoding */
204 /* Output explicit tags first */
206 for (i
= 0, etmp
= asn1_tags
.exp_list
; i
< asn1_tags
.exp_count
;
208 ASN1_put_object(&p
, etmp
->exp_constructed
, etmp
->exp_len
,
209 etmp
->exp_tag
, etmp
->exp_class
);
214 /* If IMPLICIT, output tag */
216 if (asn1_tags
.imp_tag
!= -1) {
217 if (asn1_tags
.imp_class
== V_ASN1_UNIVERSAL
218 && (asn1_tags
.imp_tag
== V_ASN1_SEQUENCE
219 || asn1_tags
.imp_tag
== V_ASN1_SET
))
220 hdr_constructed
= V_ASN1_CONSTRUCTED
;
221 ASN1_put_object(&p
, hdr_constructed
, hdr_len
,
222 asn1_tags
.imp_tag
, asn1_tags
.imp_class
);
225 /* Copy across original encoding */
226 memcpy(p
, cpy_start
, cpy_len
);
230 /* Obtain new ASN1_TYPE structure */
231 ret
= d2i_ASN1_TYPE(NULL
, &cp
, len
);
234 OPENSSL_free(orig_der
);
235 OPENSSL_free(new_der
);
241 static int asn1_cb(const char *elem
, int len
, void *bitstr
)
243 tag_exp_arg
*arg
= bitstr
;
247 const char *p
, *vstart
= NULL
;
249 int tmp_tag
, tmp_class
;
254 for (i
= 0, p
= elem
; i
< len
; p
++, i
++) {
255 /* Look for the ':' in name value pairs */
258 vlen
= len
- (vstart
- elem
);
264 utype
= asn1_str2tag(elem
, len
);
267 ERR_raise_data(ERR_LIB_ASN1
, ASN1_R_UNKNOWN_TAG
, "tag=%s", 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 ERR_raise(ERR_LIB_ASN1
, ASN1_R_MISSING_VALUE
);
285 case ASN1_GEN_FLAG_IMP
:
286 /* Check for illegal multiple IMPLICIT tagging */
287 if (arg
->imp_tag
!= -1) {
288 ERR_raise(ERR_LIB_ASN1
, 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 ERR_raise(ERR_LIB_ASN1
, ASN1_R_UNKNOWN_FORMAT
);
328 if (HAS_PREFIX(vstart
, "ASCII"))
329 arg
->format
= ASN1_GEN_FORMAT_ASCII
;
330 else if (HAS_PREFIX(vstart
, "UTF8"))
331 arg
->format
= ASN1_GEN_FORMAT_UTF8
;
332 else if (HAS_PREFIX(vstart
, "HEX"))
333 arg
->format
= ASN1_GEN_FORMAT_HEX
;
334 else if (HAS_PREFIX(vstart
, "BITLIST"))
335 arg
->format
= ASN1_GEN_FORMAT_BITLIST
;
337 ERR_raise(ERR_LIB_ASN1
, ASN1_R_UNKNOWN_FORMAT
);
348 static int parse_tagging(const char *vstart
, int vlen
, int *ptag
, int *pclass
)
354 tag_num
= strtoul(vstart
, &eptr
, 10);
355 /* Check we haven't gone past max length: should be impossible */
356 if (eptr
&& *eptr
&& (eptr
> vstart
+ vlen
))
359 ERR_raise(ERR_LIB_ASN1
, ASN1_R_INVALID_NUMBER
);
363 /* If we have non numeric characters, parse them */
365 vlen
-= eptr
- vstart
;
372 *pclass
= V_ASN1_UNIVERSAL
;
376 *pclass
= V_ASN1_APPLICATION
;
380 *pclass
= V_ASN1_PRIVATE
;
384 *pclass
= V_ASN1_CONTEXT_SPECIFIC
;
388 ERR_raise_data(ERR_LIB_ASN1
, ASN1_R_INVALID_MODIFIER
,
394 *pclass
= V_ASN1_CONTEXT_SPECIFIC
;
400 /* Handle multiple types: SET and SEQUENCE */
402 static ASN1_TYPE
*asn1_multi(int utype
, const char *section
, X509V3_CTX
*cnf
,
403 int depth
, int *perr
)
405 ASN1_TYPE
*ret
= NULL
;
406 STACK_OF(ASN1_TYPE
) *sk
= NULL
;
407 STACK_OF(CONF_VALUE
) *sect
= NULL
;
408 unsigned char *der
= NULL
;
411 sk
= sk_ASN1_TYPE_new_null();
417 sect
= X509V3_get_section(cnf
, (char *)section
);
420 for (i
= 0; i
< sk_CONF_VALUE_num(sect
); i
++) {
422 generate_v3(sk_CONF_VALUE_value(sect
, i
)->value
, cnf
,
426 if (!sk_ASN1_TYPE_push(sk
, typ
))
432 * Now we has a STACK of the components, convert to the correct form
435 if (utype
== V_ASN1_SET
)
436 derlen
= i2d_ASN1_SET_ANY(sk
, &der
);
438 derlen
= i2d_ASN1_SEQUENCE_ANY(sk
, &der
);
442 if ((ret
= ASN1_TYPE_new()) == NULL
)
444 if ((ret
->value
.asn1_string
= ASN1_STRING_type_new(utype
)) == NULL
)
448 ret
->value
.asn1_string
->data
= der
;
449 ret
->value
.asn1_string
->length
= derlen
;
457 sk_ASN1_TYPE_pop_free(sk
, ASN1_TYPE_free
);
458 X509V3_section_free(cnf
, sect
);
463 static int append_exp(tag_exp_arg
*arg
, int exp_tag
, int exp_class
,
464 int exp_constructed
, int exp_pad
, int imp_ok
)
466 tag_exp_type
*exp_tmp
;
467 /* Can only have IMPLICIT if permitted */
468 if ((arg
->imp_tag
!= -1) && !imp_ok
) {
469 ERR_raise(ERR_LIB_ASN1
, ASN1_R_ILLEGAL_IMPLICIT_TAG
);
473 if (arg
->exp_count
== ASN1_FLAG_EXP_MAX
) {
474 ERR_raise(ERR_LIB_ASN1
, ASN1_R_DEPTH_EXCEEDED
);
478 exp_tmp
= &arg
->exp_list
[arg
->exp_count
++];
481 * If IMPLICIT set tag to implicit value then reset implicit tag since it
484 if (arg
->imp_tag
!= -1) {
485 exp_tmp
->exp_tag
= arg
->imp_tag
;
486 exp_tmp
->exp_class
= arg
->imp_class
;
490 exp_tmp
->exp_tag
= exp_tag
;
491 exp_tmp
->exp_class
= exp_class
;
493 exp_tmp
->exp_constructed
= exp_constructed
;
494 exp_tmp
->exp_pad
= exp_pad
;
499 static int asn1_str2tag(const char *tagstr
, int len
)
502 static const struct tag_name_st
*tntmp
, tnst
[] = {
503 ASN1_GEN_STR("BOOL", V_ASN1_BOOLEAN
),
504 ASN1_GEN_STR("BOOLEAN", V_ASN1_BOOLEAN
),
505 ASN1_GEN_STR("NULL", V_ASN1_NULL
),
506 ASN1_GEN_STR("INT", V_ASN1_INTEGER
),
507 ASN1_GEN_STR("INTEGER", V_ASN1_INTEGER
),
508 ASN1_GEN_STR("ENUM", V_ASN1_ENUMERATED
),
509 ASN1_GEN_STR("ENUMERATED", V_ASN1_ENUMERATED
),
510 ASN1_GEN_STR("OID", V_ASN1_OBJECT
),
511 ASN1_GEN_STR("OBJECT", V_ASN1_OBJECT
),
512 ASN1_GEN_STR("UTCTIME", V_ASN1_UTCTIME
),
513 ASN1_GEN_STR("UTC", V_ASN1_UTCTIME
),
514 ASN1_GEN_STR("GENERALIZEDTIME", V_ASN1_GENERALIZEDTIME
),
515 ASN1_GEN_STR("GENTIME", V_ASN1_GENERALIZEDTIME
),
516 ASN1_GEN_STR("OCT", V_ASN1_OCTET_STRING
),
517 ASN1_GEN_STR("OCTETSTRING", V_ASN1_OCTET_STRING
),
518 ASN1_GEN_STR("BITSTR", V_ASN1_BIT_STRING
),
519 ASN1_GEN_STR("BITSTRING", V_ASN1_BIT_STRING
),
520 ASN1_GEN_STR("UNIVERSALSTRING", V_ASN1_UNIVERSALSTRING
),
521 ASN1_GEN_STR("UNIV", V_ASN1_UNIVERSALSTRING
),
522 ASN1_GEN_STR("IA5", V_ASN1_IA5STRING
),
523 ASN1_GEN_STR("IA5STRING", V_ASN1_IA5STRING
),
524 ASN1_GEN_STR("UTF8", V_ASN1_UTF8STRING
),
525 ASN1_GEN_STR("UTF8String", V_ASN1_UTF8STRING
),
526 ASN1_GEN_STR("BMP", V_ASN1_BMPSTRING
),
527 ASN1_GEN_STR("BMPSTRING", V_ASN1_BMPSTRING
),
528 ASN1_GEN_STR("VISIBLESTRING", V_ASN1_VISIBLESTRING
),
529 ASN1_GEN_STR("VISIBLE", V_ASN1_VISIBLESTRING
),
530 ASN1_GEN_STR("PRINTABLESTRING", V_ASN1_PRINTABLESTRING
),
531 ASN1_GEN_STR("PRINTABLE", V_ASN1_PRINTABLESTRING
),
532 ASN1_GEN_STR("T61", V_ASN1_T61STRING
),
533 ASN1_GEN_STR("T61STRING", V_ASN1_T61STRING
),
534 ASN1_GEN_STR("TELETEXSTRING", V_ASN1_T61STRING
),
535 ASN1_GEN_STR("GeneralString", V_ASN1_GENERALSTRING
),
536 ASN1_GEN_STR("GENSTR", V_ASN1_GENERALSTRING
),
537 ASN1_GEN_STR("NUMERIC", V_ASN1_NUMERICSTRING
),
538 ASN1_GEN_STR("NUMERICSTRING", V_ASN1_NUMERICSTRING
),
541 ASN1_GEN_STR("SEQUENCE", V_ASN1_SEQUENCE
),
542 ASN1_GEN_STR("SEQ", V_ASN1_SEQUENCE
),
543 ASN1_GEN_STR("SET", V_ASN1_SET
),
546 ASN1_GEN_STR("EXP", ASN1_GEN_FLAG_EXP
),
547 ASN1_GEN_STR("EXPLICIT", ASN1_GEN_FLAG_EXP
),
549 ASN1_GEN_STR("IMP", ASN1_GEN_FLAG_IMP
),
550 ASN1_GEN_STR("IMPLICIT", ASN1_GEN_FLAG_IMP
),
551 /* OCTET STRING wrapper */
552 ASN1_GEN_STR("OCTWRAP", ASN1_GEN_FLAG_OCTWRAP
),
553 /* SEQUENCE wrapper */
554 ASN1_GEN_STR("SEQWRAP", ASN1_GEN_FLAG_SEQWRAP
),
556 ASN1_GEN_STR("SETWRAP", ASN1_GEN_FLAG_SETWRAP
),
557 /* BIT STRING wrapper */
558 ASN1_GEN_STR("BITWRAP", ASN1_GEN_FLAG_BITWRAP
),
559 ASN1_GEN_STR("FORM", ASN1_GEN_FLAG_FORMAT
),
560 ASN1_GEN_STR("FORMAT", ASN1_GEN_FLAG_FORMAT
),
564 len
= strlen(tagstr
);
567 for (i
= 0; i
< OSSL_NELEM(tnst
); i
++, tntmp
++) {
568 if ((len
== tntmp
->len
) && (strncasecmp(tntmp
->strnam
, tagstr
, len
) == 0))
575 static ASN1_TYPE
*asn1_str2type(const char *str
, int format
, int utype
)
577 ASN1_TYPE
*atmp
= NULL
;
579 unsigned char *rdata
;
583 if ((atmp
= ASN1_TYPE_new()) == NULL
) {
584 ERR_raise(ERR_LIB_ASN1
, ERR_R_MALLOC_FAILURE
);
595 ERR_raise(ERR_LIB_ASN1
, ASN1_R_ILLEGAL_NULL_VALUE
);
601 if (format
!= ASN1_GEN_FORMAT_ASCII
) {
602 ERR_raise(ERR_LIB_ASN1
, ASN1_R_NOT_ASCII_FORMAT
);
607 vtmp
.value
= (char *)str
;
608 if (!X509V3_get_value_bool(&vtmp
, &atmp
->value
.boolean
)) {
609 ERR_raise(ERR_LIB_ASN1
, ASN1_R_ILLEGAL_BOOLEAN
);
615 case V_ASN1_ENUMERATED
:
616 if (format
!= ASN1_GEN_FORMAT_ASCII
) {
617 ERR_raise(ERR_LIB_ASN1
, ASN1_R_INTEGER_NOT_ASCII_FORMAT
);
620 if ((atmp
->value
.integer
621 = s2i_ASN1_INTEGER(NULL
, str
)) == NULL
) {
622 ERR_raise(ERR_LIB_ASN1
, ASN1_R_ILLEGAL_INTEGER
);
628 if (format
!= ASN1_GEN_FORMAT_ASCII
) {
629 ERR_raise(ERR_LIB_ASN1
, ASN1_R_OBJECT_NOT_ASCII_FORMAT
);
632 if ((atmp
->value
.object
= OBJ_txt2obj(str
, 0)) == NULL
) {
633 ERR_raise(ERR_LIB_ASN1
, ASN1_R_ILLEGAL_OBJECT
);
639 case V_ASN1_GENERALIZEDTIME
:
640 if (format
!= ASN1_GEN_FORMAT_ASCII
) {
641 ERR_raise(ERR_LIB_ASN1
, ASN1_R_TIME_NOT_ASCII_FORMAT
);
644 if ((atmp
->value
.asn1_string
= ASN1_STRING_new()) == NULL
) {
645 ERR_raise(ERR_LIB_ASN1
, ERR_R_MALLOC_FAILURE
);
648 if (!ASN1_STRING_set(atmp
->value
.asn1_string
, str
, -1)) {
649 ERR_raise(ERR_LIB_ASN1
, ERR_R_MALLOC_FAILURE
);
652 atmp
->value
.asn1_string
->type
= utype
;
653 if (!ASN1_TIME_check(atmp
->value
.asn1_string
)) {
654 ERR_raise(ERR_LIB_ASN1
, ASN1_R_ILLEGAL_TIME_VALUE
);
660 case V_ASN1_BMPSTRING
:
661 case V_ASN1_PRINTABLESTRING
:
662 case V_ASN1_IA5STRING
:
663 case V_ASN1_T61STRING
:
664 case V_ASN1_UTF8STRING
:
665 case V_ASN1_VISIBLESTRING
:
666 case V_ASN1_UNIVERSALSTRING
:
667 case V_ASN1_GENERALSTRING
:
668 case V_ASN1_NUMERICSTRING
:
669 if (format
== ASN1_GEN_FORMAT_ASCII
)
670 format
= MBSTRING_ASC
;
671 else if (format
== ASN1_GEN_FORMAT_UTF8
)
672 format
= MBSTRING_UTF8
;
674 ERR_raise(ERR_LIB_ASN1
, ASN1_R_ILLEGAL_FORMAT
);
678 if (ASN1_mbstring_copy(&atmp
->value
.asn1_string
, (unsigned char *)str
,
679 -1, format
, ASN1_tag2bit(utype
)) <= 0) {
680 ERR_raise(ERR_LIB_ASN1
, ERR_R_MALLOC_FAILURE
);
686 case V_ASN1_BIT_STRING
:
687 case V_ASN1_OCTET_STRING
:
688 if ((atmp
->value
.asn1_string
= ASN1_STRING_new()) == NULL
) {
689 ERR_raise(ERR_LIB_ASN1
, ERR_R_MALLOC_FAILURE
);
693 if (format
== ASN1_GEN_FORMAT_HEX
) {
694 if ((rdata
= OPENSSL_hexstr2buf(str
, &rdlen
)) == NULL
) {
695 ERR_raise(ERR_LIB_ASN1
, ASN1_R_ILLEGAL_HEX
);
698 atmp
->value
.asn1_string
->data
= rdata
;
699 atmp
->value
.asn1_string
->length
= rdlen
;
700 atmp
->value
.asn1_string
->type
= utype
;
701 } else if (format
== ASN1_GEN_FORMAT_ASCII
)
702 ASN1_STRING_set(atmp
->value
.asn1_string
, str
, -1);
703 else if ((format
== ASN1_GEN_FORMAT_BITLIST
)
704 && (utype
== V_ASN1_BIT_STRING
)) {
706 (str
, ',', 1, bitstr_cb
, atmp
->value
.bit_string
)) {
707 ERR_raise(ERR_LIB_ASN1
, ASN1_R_LIST_ERROR
);
713 ERR_raise(ERR_LIB_ASN1
, ASN1_R_ILLEGAL_BITSTRING_FORMAT
);
717 if ((utype
== V_ASN1_BIT_STRING
) && no_unused
) {
718 atmp
->value
.asn1_string
->flags
719 &= ~(ASN1_STRING_FLAG_BITS_LEFT
| 0x07);
720 atmp
->value
.asn1_string
->flags
|= ASN1_STRING_FLAG_BITS_LEFT
;
726 ERR_raise(ERR_LIB_ASN1
, ASN1_R_UNSUPPORTED_TYPE
);
734 ERR_add_error_data(2, "string=", str
);
737 ASN1_TYPE_free(atmp
);
742 static int bitstr_cb(const char *elem
, int len
, void *bitstr
)
748 bitnum
= strtoul(elem
, &eptr
, 10);
749 if (eptr
&& *eptr
&& (eptr
!= elem
+ len
))
752 ERR_raise(ERR_LIB_ASN1
, ASN1_R_INVALID_NUMBER
);
755 if (!ASN1_BIT_STRING_set_bit(bitstr
, bitnum
, 1)) {
756 ERR_raise(ERR_LIB_ASN1
, ERR_R_MALLOC_FAILURE
);
762 static int mask_cb(const char *elem
, int len
, void *arg
)
764 unsigned long *pmask
= arg
, tmpmask
;
768 if (len
== 3 && HAS_PREFIX(elem
, "DIR")) {
769 *pmask
|= B_ASN1_DIRECTORYSTRING
;
772 tag
= asn1_str2tag(elem
, len
);
773 if (!tag
|| (tag
& ASN1_GEN_FLAG
))
775 tmpmask
= ASN1_tag2bit(tag
);
782 int ASN1_str2mask(const char *str
, unsigned long *pmask
)
785 return CONF_parse_list(str
, '|', 1, mask_cb
, pmask
);