2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2002 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
60 #include <openssl/asn1.h>
61 #include <openssl/x509v3.h>
63 #define ASN1_GEN_FLAG 0x10000
64 #define ASN1_GEN_FLAG_IMP (ASN1_GEN_FLAG|1)
65 #define ASN1_GEN_FLAG_EXP (ASN1_GEN_FLAG|2)
66 #define ASN1_GEN_FLAG_TAG (ASN1_GEN_FLAG|3)
67 #define ASN1_GEN_FLAG_BITWRAP (ASN1_GEN_FLAG|4)
68 #define ASN1_GEN_FLAG_OCTWRAP (ASN1_GEN_FLAG|5)
69 #define ASN1_GEN_FLAG_SEQWRAP (ASN1_GEN_FLAG|6)
70 #define ASN1_GEN_FLAG_FORMAT (ASN1_GEN_FLAG|7)
72 #define ASN1_GEN_STR(str,val) {str, sizeof(str) - 1, val}
74 #define ASN1_FLAG_EXP_MAX 20
79 #define ASN1_GEN_FORMAT_ASCII 1
81 #define ASN1_GEN_FORMAT_UTF8 2
83 #define ASN1_GEN_FORMAT_HEX 3
85 #define ASN1_GEN_FORMAT_BITLIST 4
111 tag_exp_type exp_list[ASN1_FLAG_EXP_MAX];
115 static int bitstr_cb(const char *elem, int len, void *bitstr);
116 static int asn1_cb(const char *elem, int len, void *bitstr);
117 static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class, int exp_constructed, int exp_pad, int imp_ok);
118 static int parse_tagging(const char *vstart, int vlen, int *ptag, int *pclass);
119 static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf);
120 static ASN1_TYPE *asn1_str2type(const char *str, int format, int utype);
121 static int asn1_str2tag(const char *tagstr, int len);
123 ASN1_TYPE *ASN1_generate_nconf(char *str, CONF *nconf)
128 return ASN1_generate_v3(str, NULL);
130 X509V3_set_nconf(&cnf, nconf);
131 return ASN1_generate_v3(str, &cnf);
134 ASN1_TYPE *ASN1_generate_v3(char *str, X509V3_CTX *cnf)
137 tag_exp_arg asn1_tags;
142 unsigned char *orig_der = NULL, *new_der = NULL;
143 unsigned char *cpy_start, *p;
146 int hdr_constructed, hdr_tag, hdr_class;
149 asn1_tags.imp_tag = -1;
150 asn1_tags.imp_class = -1;
151 asn1_tags.format = ASN1_GEN_FORMAT_ASCII;
152 asn1_tags.exp_count = 0;
153 if (CONF_parse_list(str, ',', 1, asn1_cb, &asn1_tags) != 0)
156 if ((asn1_tags.utype == V_ASN1_SEQUENCE) || (asn1_tags.utype == V_ASN1_SET))
160 ASN1err(ASN1_F_ASN1_GENERATE_V3, ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG);
163 ret = asn1_multi(asn1_tags.utype, asn1_tags.str, cnf);
166 ret = asn1_str2type(asn1_tags.str, asn1_tags.format, asn1_tags.utype);
171 /* If no tagging return base type */
172 if ((asn1_tags.imp_tag == -1) && (asn1_tags.exp_count == 0))
175 /* Generate the encoding */
176 cpy_len = i2d_ASN1_TYPE(ret, &orig_der);
179 /* Set point to start copying for modified encoding */
180 cpy_start = orig_der;
182 /* Do we need IMPLICIT tagging? */
183 if (asn1_tags.imp_tag != -1)
185 /* If IMPLICIT we will replace the underlying tag */
186 /* Skip existing tag+len */
187 r = ASN1_get_object(&cpy_start, &hdr_len, &hdr_tag, &hdr_class, cpy_len);
190 /* Update copy length */
191 cpy_len -= cpy_start - orig_der;
192 /* For IMPLICIT tagging the length should match the
193 * original length and constructed flag should be
198 /* Indefinite length constructed */
203 /* Just retain constructed flag */
204 hdr_constructed = r & V_ASN1_CONSTRUCTED;
205 /* Work out new length with IMPLICIT tag: ignore constructed
206 * because it will mess up if indefinite length
208 len = ASN1_object_size(0, hdr_len, asn1_tags.imp_tag);
213 /* Work out length in any EXPLICIT, starting from end */
215 for(i = 0, etmp = asn1_tags.exp_list + asn1_tags.exp_count - 1; i < asn1_tags.exp_count; i++, etmp--)
217 /* Content length: number of content octets + any padding */
218 len += etmp->exp_pad;
220 /* Total object length: length including new header */
221 len = ASN1_object_size(0, len, etmp->exp_tag);
224 /* Allocate buffer for new encoding */
226 new_der = OPENSSL_malloc(len);
228 /* Generate tagged encoding */
232 /* Output explicit tags first */
234 for (i = 0, etmp = asn1_tags.exp_list; i < asn1_tags.exp_count; i++, etmp++)
236 ASN1_put_object(&p, etmp->exp_constructed, etmp->exp_len,
237 etmp->exp_tag, etmp->exp_class);
242 /* If IMPLICIT, output tag */
244 if (asn1_tags.imp_tag != -1)
245 ASN1_put_object(&p, hdr_constructed, hdr_len,
246 asn1_tags.imp_tag, asn1_tags.imp_class);
248 /* Copy across original encoding */
249 memcpy(p, cpy_start, cpy_len);
253 /* Obtain new ASN1_TYPE structure */
254 ret = d2i_ASN1_TYPE(NULL, &p, len);
258 OPENSSL_free(orig_der);
260 OPENSSL_free(new_der);
266 static int asn1_cb(const char *elem, int len, void *bitstr)
268 tag_exp_arg *arg = bitstr;
272 const char *p, *vstart = NULL;
274 int tmp_tag, tmp_class;
276 for(i = 0, p = elem; i < len; p++, i++)
278 /* Look for the ':' in name value pairs */
282 vlen = len - (vstart - elem);
288 utype = asn1_str2tag(elem, len);
292 ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKNOWN_TAG);
293 ERR_add_error_data(2, "tag=", elem);
297 /* If this is not a modifier mark end of string and exit */
298 if (!(utype & ASN1_GEN_FLAG))
302 /* If no value and not end of string, error */
303 if (!vstart && elem[len])
305 ASN1err(ASN1_F_ASN1_CB, ASN1_R_MISSING_VALUE);
314 case ASN1_GEN_FLAG_IMP:
315 /* Check for illegal multiple IMPLICIT tagging */
316 if (arg->imp_tag != -1)
318 ASN1err(ASN1_F_ASN1_CB, ASN1_R_ILLEGAL_NESTED_TAGGING);
321 if (!parse_tagging(vstart, vlen, &arg->imp_tag, &arg->imp_class))
325 case ASN1_GEN_FLAG_EXP:
327 if (!parse_tagging(vstart, vlen, &tmp_tag, &tmp_class))
329 if (!append_exp(arg, tmp_tag, tmp_class, 1, 0, 0))
333 case ASN1_GEN_FLAG_SEQWRAP:
334 if (!append_exp(arg, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, 1, 0, 1))
338 case ASN1_GEN_FLAG_BITWRAP:
339 if (!append_exp(arg, V_ASN1_BIT_STRING, V_ASN1_UNIVERSAL, 0, 1, 1))
343 case ASN1_GEN_FLAG_OCTWRAP:
344 if (!append_exp(arg, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL, 0, 0, 1))
348 case ASN1_GEN_FLAG_FORMAT:
349 if (!strncmp(vstart, "ASCII", 5))
350 arg->format = ASN1_GEN_FORMAT_ASCII;
351 else if (!strncmp(vstart, "UTF8", 4))
352 arg->format = ASN1_GEN_FORMAT_UTF8;
353 else if (!strncmp(vstart, "HEX", 3))
354 arg->format = ASN1_GEN_FORMAT_HEX;
355 else if (!strncmp(vstart, "BITLIST", 3))
356 arg->format = ASN1_GEN_FORMAT_BITLIST;
359 ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKOWN_FORMAT);
370 static int parse_tagging(const char *vstart, int vlen, int *ptag, int *pclass)
377 tag_num = strtoul(vstart, &eptr, 10);
378 /* Check we haven't gone past max length: should be impossible */
379 if (eptr && *eptr && (eptr > vstart + vlen))
383 ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_NUMBER);
387 /* If we have non numeric characters, parse them */
389 vlen -= eptr - vstart;
398 *pclass = V_ASN1_UNIVERSAL;
402 *pclass = V_ASN1_APPLICATION;
406 *pclass = V_ASN1_PRIVATE;
410 *pclass = V_ASN1_CONTEXT_SPECIFIC;
416 ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_MODIFIER);
417 ERR_add_error_data(2, "Char=", erch);
424 *pclass = V_ASN1_CONTEXT_SPECIFIC;
430 /* Handle multiple types: SET and SEQUENCE */
432 static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf)
434 ASN1_TYPE *ret = NULL, *typ = NULL;
435 STACK_OF(ASN1_TYPE) *sk = NULL;
436 STACK_OF(CONF_VALUE) *sect = NULL;
437 unsigned char *der = NULL, *p;
440 sk = sk_ASN1_TYPE_new_null();
445 sect = X509V3_get_section(cnf, (char *)section);
448 for (i = 0; i < sk_CONF_VALUE_num(sect); i++)
450 typ = ASN1_generate_v3(sk_CONF_VALUE_value(sect, i)->value, cnf);
453 sk_ASN1_TYPE_push(sk, typ);
458 /* Now we has a STACK of the components, convert to the correct form */
460 if (utype == V_ASN1_SET)
466 derlen = i2d_ASN1_SET((STACK *)sk, NULL, i2d_ASN1_TYPE, utype, V_ASN1_UNIVERSAL, is_set);
467 der = OPENSSL_malloc(derlen);
469 i2d_ASN1_SET((STACK *)sk, &p, i2d_ASN1_TYPE, utype, V_ASN1_UNIVERSAL, is_set);
471 if (!(ret = ASN1_TYPE_new()))
474 if (!(ret->value.asn1_string = ASN1_STRING_type_new(utype)))
479 ret->value.asn1_string->data = der;
480 ret->value.asn1_string->length = derlen;
490 sk_ASN1_TYPE_pop_free(sk, ASN1_TYPE_free);
494 X509V3_section_free(cnf, sect);
499 static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class, int exp_constructed, int exp_pad, int imp_ok)
501 tag_exp_type *exp_tmp;
502 /* Can only have IMPLICIT if permitted */
503 if ((arg->imp_tag != -1) && !imp_ok)
505 ASN1err(ASN1_F_APPEND_TAG, ASN1_R_ILLEGAL_IMPLICIT_TAG);
509 if (arg->exp_count == ASN1_FLAG_EXP_MAX)
511 ASN1err(ASN1_F_APPEND_TAG, ASN1_R_DEPTH_EXCEEDED);
515 exp_tmp = &arg->exp_list[arg->exp_count++];
517 /* If IMPLICIT set tag to implicit value then
518 * reset implicit tag since it has been used.
520 if (arg->imp_tag != -1)
522 exp_tmp->exp_tag = arg->imp_tag;
523 exp_tmp->exp_class = arg->imp_class;
529 exp_tmp->exp_tag = exp_tag;
530 exp_tmp->exp_class = exp_class;
532 exp_tmp->exp_constructed = exp_constructed;
533 exp_tmp->exp_pad = exp_pad;
539 static int asn1_str2tag(const char *tagstr, int len)
542 static struct tag_name_st *tntmp, tnst [] = {
543 ASN1_GEN_STR("BOOL", V_ASN1_BOOLEAN),
544 ASN1_GEN_STR("BOOLEAN", V_ASN1_BOOLEAN),
545 ASN1_GEN_STR("NULL", V_ASN1_NULL),
546 ASN1_GEN_STR("INT", V_ASN1_INTEGER),
547 ASN1_GEN_STR("INTEGER", V_ASN1_INTEGER),
548 ASN1_GEN_STR("ENUM", V_ASN1_ENUMERATED),
549 ASN1_GEN_STR("ENUMERATED", V_ASN1_ENUMERATED),
550 ASN1_GEN_STR("OID", V_ASN1_OBJECT),
551 ASN1_GEN_STR("OBJECT", V_ASN1_OBJECT),
552 ASN1_GEN_STR("UTCTIME", V_ASN1_UTCTIME),
553 ASN1_GEN_STR("UTC", V_ASN1_UTCTIME),
554 ASN1_GEN_STR("GENERALIZEDTIME", V_ASN1_GENERALIZEDTIME),
555 ASN1_GEN_STR("GENTIME", V_ASN1_GENERALIZEDTIME),
556 ASN1_GEN_STR("OCT", V_ASN1_OCTET_STRING),
557 ASN1_GEN_STR("OCTETSTRING", V_ASN1_OCTET_STRING),
558 ASN1_GEN_STR("BITSTR", V_ASN1_BIT_STRING),
559 ASN1_GEN_STR("BITSTRING", V_ASN1_BIT_STRING),
560 ASN1_GEN_STR("UNIVERSALSTRING", V_ASN1_UNIVERSALSTRING),
561 ASN1_GEN_STR("UNIV", V_ASN1_UNIVERSALSTRING),
562 ASN1_GEN_STR("IA5", V_ASN1_IA5STRING),
563 ASN1_GEN_STR("IA5STRING", V_ASN1_IA5STRING),
564 ASN1_GEN_STR("UTF8", V_ASN1_UTF8STRING),
565 ASN1_GEN_STR("UTF8String", V_ASN1_UTF8STRING),
566 ASN1_GEN_STR("BMP", V_ASN1_BMPSTRING),
567 ASN1_GEN_STR("BMPSTRING", V_ASN1_BMPSTRING),
568 ASN1_GEN_STR("VISIBLESTRING", V_ASN1_VISIBLESTRING),
569 ASN1_GEN_STR("VISIBLE", V_ASN1_VISIBLESTRING),
570 ASN1_GEN_STR("PRINTABLESTRING", V_ASN1_PRINTABLESTRING),
571 ASN1_GEN_STR("PRINTABLE", V_ASN1_PRINTABLESTRING),
572 ASN1_GEN_STR("T61", V_ASN1_T61STRING),
573 ASN1_GEN_STR("T61STRING", V_ASN1_T61STRING),
574 ASN1_GEN_STR("TELETEXSTRING", V_ASN1_T61STRING),
577 ASN1_GEN_STR("SEQUENCE", V_ASN1_SEQUENCE),
578 ASN1_GEN_STR("SEQ", V_ASN1_SEQUENCE),
579 ASN1_GEN_STR("SET", V_ASN1_SET),
582 ASN1_GEN_STR("EXP", ASN1_GEN_FLAG_EXP),
583 ASN1_GEN_STR("EXPLICIT", ASN1_GEN_FLAG_EXP),
585 ASN1_GEN_STR("IMP", ASN1_GEN_FLAG_IMP),
586 ASN1_GEN_STR("IMPLICIT", ASN1_GEN_FLAG_IMP),
587 /* OCTET STRING wrapper */
588 ASN1_GEN_STR("OCTWRAP", ASN1_GEN_FLAG_OCTWRAP),
589 /* SEQUENCE wrapper */
590 ASN1_GEN_STR("SEQWRAP", ASN1_GEN_FLAG_SEQWRAP),
591 /* BIT STRING wrapper */
592 ASN1_GEN_STR("BITWRAP", ASN1_GEN_FLAG_BITWRAP),
593 ASN1_GEN_STR("FORM", ASN1_GEN_FLAG_FORMAT),
594 ASN1_GEN_STR("FORMAT", ASN1_GEN_FLAG_FORMAT),
598 len = strlen(tagstr);
601 for (i = 0; i < sizeof(tnst) / sizeof(struct tag_name_st); i++, tntmp++)
603 if ((len == tntmp->len) && !strncmp(tntmp->strnam, tagstr, len))
610 static ASN1_TYPE *asn1_str2type(const char *str, int format, int utype)
612 ASN1_TYPE *atmp = NULL;
616 unsigned char *rdata;
621 if (!(atmp = ASN1_TYPE_new()))
623 ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
636 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_NULL_VALUE);
642 if (format != ASN1_GEN_FORMAT_ASCII)
644 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_NOT_ASCII_FORMAT);
647 vtmp.value = (char *)str;
648 if (!X509V3_get_value_bool(&vtmp, &atmp->value.boolean))
650 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_BOOLEAN);
656 case V_ASN1_ENUMERATED:
657 if (format != ASN1_GEN_FORMAT_ASCII)
659 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_INTEGER_NOT_ASCII_FORMAT);
662 if (!(atmp->value.integer = s2i_ASN1_INTEGER(NULL, (char *)str)))
664 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_INTEGER);
670 if (format != ASN1_GEN_FORMAT_ASCII)
672 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_OBJECT_NOT_ASCII_FORMAT);
675 if (!(atmp->value.object = OBJ_txt2obj(str, 0)))
677 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_OBJECT);
683 case V_ASN1_GENERALIZEDTIME:
684 if (format != ASN1_GEN_FORMAT_ASCII)
686 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_TIME_NOT_ASCII_FORMAT);
689 if (!(atmp->value.asn1_string = ASN1_STRING_new()))
691 ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
694 if (!ASN1_STRING_set(atmp->value.asn1_string, str, -1))
696 ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
699 atmp->value.asn1_string->type = utype;
700 if (!ASN1_TIME_check(atmp->value.asn1_string))
702 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_TIME_VALUE);
708 case V_ASN1_BMPSTRING:
709 case V_ASN1_PRINTABLESTRING:
710 case V_ASN1_IA5STRING:
711 case V_ASN1_T61STRING:
712 case V_ASN1_UTF8STRING:
713 case V_ASN1_VISIBLESTRING:
714 case V_ASN1_UNIVERSALSTRING:
716 if (format == ASN1_GEN_FORMAT_ASCII)
717 format = MBSTRING_ASC;
718 else if (format == ASN1_GEN_FORMAT_UTF8)
719 format = MBSTRING_UTF8;
722 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_FORMAT);
727 if (ASN1_mbstring_copy(&atmp->value.asn1_string, (unsigned char *)str,
728 -1, format, ASN1_tag2bit(utype)) <= 0)
730 ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
737 case V_ASN1_BIT_STRING:
739 case V_ASN1_OCTET_STRING:
741 if (!(atmp->value.asn1_string = ASN1_STRING_new()))
743 ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
747 if (format == ASN1_GEN_FORMAT_HEX)
750 if (!(rdata = string_to_hex((char *)str, &rdlen)))
752 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_HEX);
756 atmp->value.asn1_string->data = rdata;
757 atmp->value.asn1_string->length = rdlen;
758 atmp->value.asn1_string->type = utype;
761 else if (format == ASN1_GEN_FORMAT_ASCII)
762 ASN1_STRING_set(atmp->value.asn1_string, str, -1);
763 else if ((format == ASN1_GEN_FORMAT_BITLIST) && (utype == V_ASN1_BIT_STRING))
765 if (!CONF_parse_list(str, ',', 1, bitstr_cb, atmp->value.bit_string))
767 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_LIST_ERROR);
775 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_BITSTRING_FORMAT);
779 if ((utype == V_ASN1_BIT_STRING) && no_unused)
781 atmp->value.asn1_string->flags
782 &= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07);
783 atmp->value.asn1_string->flags
784 |= ASN1_STRING_FLAG_BITS_LEFT;
791 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_UNSUPPORTED_TYPE);
802 ERR_add_error_data(2, "string=", str);
805 ASN1_TYPE_free(atmp);
810 static int bitstr_cb(const char *elem, int len, void *bitstr)
816 bitnum = strtoul(elem, &eptr, 10);
817 if (eptr && *eptr && (eptr != elem + len))
821 ASN1err(ASN1_F_BITSTR_CB, ASN1_R_INVALID_NUMBER);
824 if (!ASN1_BIT_STRING_set_bit(bitstr, bitnum, 1))
826 ASN1err(ASN1_F_BITSTR_CB, ERR_R_MALLOC_FAILURE);