2 * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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);