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_SETWRAP (ASN1_GEN_FLAG|7)
71 #define ASN1_GEN_FLAG_FORMAT (ASN1_GEN_FLAG|8)
73 #define ASN1_GEN_STR(str,val) {str, sizeof(str) - 1, val}
75 #define ASN1_FLAG_EXP_MAX 20
80 #define ASN1_GEN_FORMAT_ASCII 1
82 #define ASN1_GEN_FORMAT_UTF8 2
84 #define ASN1_GEN_FORMAT_HEX 3
86 #define ASN1_GEN_FORMAT_BITLIST 4
112 tag_exp_type exp_list
[ASN1_FLAG_EXP_MAX
];
116 static int bitstr_cb(const char *elem
, int len
, void *bitstr
);
117 static int asn1_cb(const char *elem
, int len
, void *bitstr
);
118 static int append_exp(tag_exp_arg
*arg
, int exp_tag
, int exp_class
, int exp_constructed
, int exp_pad
, int imp_ok
);
119 static int parse_tagging(const char *vstart
, int vlen
, int *ptag
, int *pclass
);
120 static ASN1_TYPE
*asn1_multi(int utype
, const char *section
, X509V3_CTX
*cnf
);
121 static ASN1_TYPE
*asn1_str2type(const char *str
, int format
, int utype
);
122 static int asn1_str2tag(const char *tagstr
, int len
);
124 ASN1_TYPE
*ASN1_generate_nconf(char *str
, CONF
*nconf
)
129 return ASN1_generate_v3(str
, NULL
);
131 X509V3_set_nconf(&cnf
, nconf
);
132 return ASN1_generate_v3(str
, &cnf
);
135 ASN1_TYPE
*ASN1_generate_v3(char *str
, X509V3_CTX
*cnf
)
138 tag_exp_arg asn1_tags
;
143 unsigned char *orig_der
= NULL
, *new_der
= NULL
;
144 const unsigned char *cpy_start
;
146 const unsigned char *cp
;
149 int hdr_constructed
= 0, hdr_tag
, hdr_class
;
152 asn1_tags
.imp_tag
= -1;
153 asn1_tags
.imp_class
= -1;
154 asn1_tags
.format
= ASN1_GEN_FORMAT_ASCII
;
155 asn1_tags
.exp_count
= 0;
156 if (CONF_parse_list(str
, ',', 1, asn1_cb
, &asn1_tags
) != 0)
159 if ((asn1_tags
.utype
== V_ASN1_SEQUENCE
) || (asn1_tags
.utype
== V_ASN1_SET
))
163 ASN1err(ASN1_F_ASN1_GENERATE_V3
, ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG
);
166 ret
= asn1_multi(asn1_tags
.utype
, asn1_tags
.str
, cnf
);
169 ret
= asn1_str2type(asn1_tags
.str
, asn1_tags
.format
, asn1_tags
.utype
);
174 /* If no tagging return base type */
175 if ((asn1_tags
.imp_tag
== -1) && (asn1_tags
.exp_count
== 0))
178 /* Generate the encoding */
179 cpy_len
= i2d_ASN1_TYPE(ret
, &orig_der
);
182 /* Set point to start copying for modified encoding */
183 cpy_start
= orig_der
;
185 /* Do we need IMPLICIT tagging? */
186 if (asn1_tags
.imp_tag
!= -1)
188 /* If IMPLICIT we will replace the underlying tag */
189 /* Skip existing tag+len */
190 r
= ASN1_get_object(&cpy_start
, &hdr_len
, &hdr_tag
, &hdr_class
, cpy_len
);
193 /* Update copy length */
194 cpy_len
-= cpy_start
- orig_der
;
195 /* For IMPLICIT tagging the length should match the
196 * original length and constructed flag should be
201 /* Indefinite length constructed */
206 /* Just retain constructed flag */
207 hdr_constructed
= r
& V_ASN1_CONSTRUCTED
;
208 /* Work out new length with IMPLICIT tag: ignore constructed
209 * because it will mess up if indefinite length
211 len
= ASN1_object_size(0, hdr_len
, asn1_tags
.imp_tag
);
216 /* Work out length in any EXPLICIT, starting from end */
218 for(i
= 0, etmp
= asn1_tags
.exp_list
+ asn1_tags
.exp_count
- 1; i
< asn1_tags
.exp_count
; i
++, etmp
--)
220 /* Content length: number of content octets + any padding */
221 len
+= etmp
->exp_pad
;
223 /* Total object length: length including new header */
224 len
= ASN1_object_size(0, len
, etmp
->exp_tag
);
227 /* Allocate buffer for new encoding */
229 new_der
= OPENSSL_malloc(len
);
231 /* Generate tagged encoding */
235 /* Output explicit tags first */
237 for (i
= 0, etmp
= asn1_tags
.exp_list
; i
< asn1_tags
.exp_count
; i
++, etmp
++)
239 ASN1_put_object(&p
, etmp
->exp_constructed
, etmp
->exp_len
,
240 etmp
->exp_tag
, etmp
->exp_class
);
245 /* If IMPLICIT, output tag */
247 if (asn1_tags
.imp_tag
!= -1)
248 ASN1_put_object(&p
, hdr_constructed
, hdr_len
,
249 asn1_tags
.imp_tag
, asn1_tags
.imp_class
);
251 /* Copy across original encoding */
252 memcpy(p
, cpy_start
, cpy_len
);
256 /* Obtain new ASN1_TYPE structure */
257 ret
= d2i_ASN1_TYPE(NULL
, &cp
, len
);
261 OPENSSL_free(orig_der
);
263 OPENSSL_free(new_der
);
269 static int asn1_cb(const char *elem
, int len
, void *bitstr
)
271 tag_exp_arg
*arg
= bitstr
;
275 const char *p
, *vstart
= NULL
;
277 int tmp_tag
, tmp_class
;
279 for(i
= 0, p
= elem
; i
< len
; p
++, i
++)
281 /* Look for the ':' in name value pairs */
285 vlen
= len
- (vstart
- elem
);
291 utype
= asn1_str2tag(elem
, len
);
295 ASN1err(ASN1_F_ASN1_CB
, ASN1_R_UNKNOWN_TAG
);
296 ERR_add_error_data(2, "tag=", elem
);
300 /* If this is not a modifier mark end of string and exit */
301 if (!(utype
& ASN1_GEN_FLAG
))
305 /* If no value and not end of string, error */
306 if (!vstart
&& elem
[len
])
308 ASN1err(ASN1_F_ASN1_CB
, ASN1_R_MISSING_VALUE
);
317 case ASN1_GEN_FLAG_IMP
:
318 /* Check for illegal multiple IMPLICIT tagging */
319 if (arg
->imp_tag
!= -1)
321 ASN1err(ASN1_F_ASN1_CB
, ASN1_R_ILLEGAL_NESTED_TAGGING
);
324 if (!parse_tagging(vstart
, vlen
, &arg
->imp_tag
, &arg
->imp_class
))
328 case ASN1_GEN_FLAG_EXP
:
330 if (!parse_tagging(vstart
, vlen
, &tmp_tag
, &tmp_class
))
332 if (!append_exp(arg
, tmp_tag
, tmp_class
, 1, 0, 0))
336 case ASN1_GEN_FLAG_SEQWRAP
:
337 if (!append_exp(arg
, V_ASN1_SEQUENCE
, V_ASN1_UNIVERSAL
, 1, 0, 1))
341 case ASN1_GEN_FLAG_SETWRAP
:
342 if (!append_exp(arg
, V_ASN1_SET
, V_ASN1_UNIVERSAL
, 1, 0, 1))
346 case ASN1_GEN_FLAG_BITWRAP
:
347 if (!append_exp(arg
, V_ASN1_BIT_STRING
, V_ASN1_UNIVERSAL
, 0, 1, 1))
351 case ASN1_GEN_FLAG_OCTWRAP
:
352 if (!append_exp(arg
, V_ASN1_OCTET_STRING
, V_ASN1_UNIVERSAL
, 0, 0, 1))
356 case ASN1_GEN_FLAG_FORMAT
:
357 if (!strncmp(vstart
, "ASCII", 5))
358 arg
->format
= ASN1_GEN_FORMAT_ASCII
;
359 else if (!strncmp(vstart
, "UTF8", 4))
360 arg
->format
= ASN1_GEN_FORMAT_UTF8
;
361 else if (!strncmp(vstart
, "HEX", 3))
362 arg
->format
= ASN1_GEN_FORMAT_HEX
;
363 else if (!strncmp(vstart
, "BITLIST", 3))
364 arg
->format
= ASN1_GEN_FORMAT_BITLIST
;
367 ASN1err(ASN1_F_ASN1_CB
, ASN1_R_UNKOWN_FORMAT
);
378 static int parse_tagging(const char *vstart
, int vlen
, int *ptag
, int *pclass
)
385 tag_num
= strtoul(vstart
, &eptr
, 10);
386 /* Check we haven't gone past max length: should be impossible */
387 if (eptr
&& *eptr
&& (eptr
> vstart
+ vlen
))
391 ASN1err(ASN1_F_PARSE_TAGGING
, ASN1_R_INVALID_NUMBER
);
395 /* If we have non numeric characters, parse them */
397 vlen
-= eptr
- vstart
;
406 *pclass
= V_ASN1_UNIVERSAL
;
410 *pclass
= V_ASN1_APPLICATION
;
414 *pclass
= V_ASN1_PRIVATE
;
418 *pclass
= V_ASN1_CONTEXT_SPECIFIC
;
424 ASN1err(ASN1_F_PARSE_TAGGING
, ASN1_R_INVALID_MODIFIER
);
425 ERR_add_error_data(2, "Char=", erch
);
432 *pclass
= V_ASN1_CONTEXT_SPECIFIC
;
438 /* Handle multiple types: SET and SEQUENCE */
440 static ASN1_TYPE
*asn1_multi(int utype
, const char *section
, X509V3_CTX
*cnf
)
442 ASN1_TYPE
*ret
= NULL
, *typ
= NULL
;
443 STACK_OF(ASN1_TYPE
) *sk
= NULL
;
444 STACK_OF(CONF_VALUE
) *sect
= NULL
;
445 unsigned char *der
= NULL
, *p
;
448 sk
= sk_ASN1_TYPE_new_null();
453 sect
= X509V3_get_section(cnf
, (char *)section
);
456 for (i
= 0; i
< sk_CONF_VALUE_num(sect
); i
++)
458 typ
= ASN1_generate_v3(sk_CONF_VALUE_value(sect
, i
)->value
, cnf
);
461 sk_ASN1_TYPE_push(sk
, typ
);
466 /* Now we has a STACK of the components, convert to the correct form */
468 if (utype
== V_ASN1_SET
)
474 derlen
= i2d_ASN1_SET_OF_ASN1_TYPE(sk
, NULL
, i2d_ASN1_TYPE
, utype
,
475 V_ASN1_UNIVERSAL
, is_set
);
476 der
= OPENSSL_malloc(derlen
);
478 i2d_ASN1_SET_OF_ASN1_TYPE(sk
, &p
, i2d_ASN1_TYPE
, utype
,
479 V_ASN1_UNIVERSAL
, is_set
);
481 if (!(ret
= ASN1_TYPE_new()))
484 if (!(ret
->value
.asn1_string
= ASN1_STRING_type_new(utype
)))
489 ret
->value
.asn1_string
->data
= der
;
490 ret
->value
.asn1_string
->length
= derlen
;
500 sk_ASN1_TYPE_pop_free(sk
, ASN1_TYPE_free
);
504 X509V3_section_free(cnf
, sect
);
509 static int append_exp(tag_exp_arg
*arg
, int exp_tag
, int exp_class
, int exp_constructed
, int exp_pad
, int imp_ok
)
511 tag_exp_type
*exp_tmp
;
512 /* Can only have IMPLICIT if permitted */
513 if ((arg
->imp_tag
!= -1) && !imp_ok
)
515 ASN1err(ASN1_F_APPEND_TAG
, ASN1_R_ILLEGAL_IMPLICIT_TAG
);
519 if (arg
->exp_count
== ASN1_FLAG_EXP_MAX
)
521 ASN1err(ASN1_F_APPEND_TAG
, ASN1_R_DEPTH_EXCEEDED
);
525 exp_tmp
= &arg
->exp_list
[arg
->exp_count
++];
527 /* If IMPLICIT set tag to implicit value then
528 * reset implicit tag since it has been used.
530 if (arg
->imp_tag
!= -1)
532 exp_tmp
->exp_tag
= arg
->imp_tag
;
533 exp_tmp
->exp_class
= arg
->imp_class
;
539 exp_tmp
->exp_tag
= exp_tag
;
540 exp_tmp
->exp_class
= exp_class
;
542 exp_tmp
->exp_constructed
= exp_constructed
;
543 exp_tmp
->exp_pad
= exp_pad
;
549 static int asn1_str2tag(const char *tagstr
, int len
)
552 static struct tag_name_st
*tntmp
, tnst
[] = {
553 ASN1_GEN_STR("BOOL", V_ASN1_BOOLEAN
),
554 ASN1_GEN_STR("BOOLEAN", V_ASN1_BOOLEAN
),
555 ASN1_GEN_STR("NULL", V_ASN1_NULL
),
556 ASN1_GEN_STR("INT", V_ASN1_INTEGER
),
557 ASN1_GEN_STR("INTEGER", V_ASN1_INTEGER
),
558 ASN1_GEN_STR("ENUM", V_ASN1_ENUMERATED
),
559 ASN1_GEN_STR("ENUMERATED", V_ASN1_ENUMERATED
),
560 ASN1_GEN_STR("OID", V_ASN1_OBJECT
),
561 ASN1_GEN_STR("OBJECT", V_ASN1_OBJECT
),
562 ASN1_GEN_STR("UTCTIME", V_ASN1_UTCTIME
),
563 ASN1_GEN_STR("UTC", V_ASN1_UTCTIME
),
564 ASN1_GEN_STR("GENERALIZEDTIME", V_ASN1_GENERALIZEDTIME
),
565 ASN1_GEN_STR("GENTIME", V_ASN1_GENERALIZEDTIME
),
566 ASN1_GEN_STR("OCT", V_ASN1_OCTET_STRING
),
567 ASN1_GEN_STR("OCTETSTRING", V_ASN1_OCTET_STRING
),
568 ASN1_GEN_STR("BITSTR", V_ASN1_BIT_STRING
),
569 ASN1_GEN_STR("BITSTRING", V_ASN1_BIT_STRING
),
570 ASN1_GEN_STR("UNIVERSALSTRING", V_ASN1_UNIVERSALSTRING
),
571 ASN1_GEN_STR("UNIV", V_ASN1_UNIVERSALSTRING
),
572 ASN1_GEN_STR("IA5", V_ASN1_IA5STRING
),
573 ASN1_GEN_STR("IA5STRING", V_ASN1_IA5STRING
),
574 ASN1_GEN_STR("UTF8", V_ASN1_UTF8STRING
),
575 ASN1_GEN_STR("UTF8String", V_ASN1_UTF8STRING
),
576 ASN1_GEN_STR("BMP", V_ASN1_BMPSTRING
),
577 ASN1_GEN_STR("BMPSTRING", V_ASN1_BMPSTRING
),
578 ASN1_GEN_STR("VISIBLESTRING", V_ASN1_VISIBLESTRING
),
579 ASN1_GEN_STR("VISIBLE", V_ASN1_VISIBLESTRING
),
580 ASN1_GEN_STR("PRINTABLESTRING", V_ASN1_PRINTABLESTRING
),
581 ASN1_GEN_STR("PRINTABLE", V_ASN1_PRINTABLESTRING
),
582 ASN1_GEN_STR("T61", V_ASN1_T61STRING
),
583 ASN1_GEN_STR("T61STRING", V_ASN1_T61STRING
),
584 ASN1_GEN_STR("TELETEXSTRING", V_ASN1_T61STRING
),
585 ASN1_GEN_STR("GeneralString", V_ASN1_GENERALSTRING
),
586 ASN1_GEN_STR("GENSTR", V_ASN1_GENERALSTRING
),
589 ASN1_GEN_STR("SEQUENCE", V_ASN1_SEQUENCE
),
590 ASN1_GEN_STR("SEQ", V_ASN1_SEQUENCE
),
591 ASN1_GEN_STR("SET", V_ASN1_SET
),
594 ASN1_GEN_STR("EXP", ASN1_GEN_FLAG_EXP
),
595 ASN1_GEN_STR("EXPLICIT", ASN1_GEN_FLAG_EXP
),
597 ASN1_GEN_STR("IMP", ASN1_GEN_FLAG_IMP
),
598 ASN1_GEN_STR("IMPLICIT", ASN1_GEN_FLAG_IMP
),
599 /* OCTET STRING wrapper */
600 ASN1_GEN_STR("OCTWRAP", ASN1_GEN_FLAG_OCTWRAP
),
601 /* SEQUENCE wrapper */
602 ASN1_GEN_STR("SEQWRAP", ASN1_GEN_FLAG_SEQWRAP
),
604 ASN1_GEN_STR("SETWRAP", ASN1_GEN_FLAG_SETWRAP
),
605 /* BIT STRING wrapper */
606 ASN1_GEN_STR("BITWRAP", ASN1_GEN_FLAG_BITWRAP
),
607 ASN1_GEN_STR("FORM", ASN1_GEN_FLAG_FORMAT
),
608 ASN1_GEN_STR("FORMAT", ASN1_GEN_FLAG_FORMAT
),
612 len
= strlen(tagstr
);
615 for (i
= 0; i
< sizeof(tnst
) / sizeof(struct tag_name_st
); i
++, tntmp
++)
617 if ((len
== tntmp
->len
) && !strncmp(tntmp
->strnam
, tagstr
, len
))
624 static ASN1_TYPE
*asn1_str2type(const char *str
, int format
, int utype
)
626 ASN1_TYPE
*atmp
= NULL
;
630 unsigned char *rdata
;
635 if (!(atmp
= ASN1_TYPE_new()))
637 ASN1err(ASN1_F_ASN1_STR2TYPE
, ERR_R_MALLOC_FAILURE
);
650 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_NULL_VALUE
);
656 if (format
!= ASN1_GEN_FORMAT_ASCII
)
658 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_NOT_ASCII_FORMAT
);
661 vtmp
.value
= (char *)str
;
662 if (!X509V3_get_value_bool(&vtmp
, &atmp
->value
.boolean
))
664 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_BOOLEAN
);
670 case V_ASN1_ENUMERATED
:
671 if (format
!= ASN1_GEN_FORMAT_ASCII
)
673 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_INTEGER_NOT_ASCII_FORMAT
);
676 if (!(atmp
->value
.integer
= s2i_ASN1_INTEGER(NULL
, (char *)str
)))
678 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_INTEGER
);
684 if (format
!= ASN1_GEN_FORMAT_ASCII
)
686 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_OBJECT_NOT_ASCII_FORMAT
);
689 if (!(atmp
->value
.object
= OBJ_txt2obj(str
, 0)))
691 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_OBJECT
);
697 case V_ASN1_GENERALIZEDTIME
:
698 if (format
!= ASN1_GEN_FORMAT_ASCII
)
700 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_TIME_NOT_ASCII_FORMAT
);
703 if (!(atmp
->value
.asn1_string
= ASN1_STRING_new()))
705 ASN1err(ASN1_F_ASN1_STR2TYPE
, ERR_R_MALLOC_FAILURE
);
708 if (!ASN1_STRING_set(atmp
->value
.asn1_string
, str
, -1))
710 ASN1err(ASN1_F_ASN1_STR2TYPE
, ERR_R_MALLOC_FAILURE
);
713 atmp
->value
.asn1_string
->type
= utype
;
714 if (!ASN1_TIME_check(atmp
->value
.asn1_string
))
716 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_TIME_VALUE
);
722 case V_ASN1_BMPSTRING
:
723 case V_ASN1_PRINTABLESTRING
:
724 case V_ASN1_IA5STRING
:
725 case V_ASN1_T61STRING
:
726 case V_ASN1_UTF8STRING
:
727 case V_ASN1_VISIBLESTRING
:
728 case V_ASN1_UNIVERSALSTRING
:
729 case V_ASN1_GENERALSTRING
:
731 if (format
== ASN1_GEN_FORMAT_ASCII
)
732 format
= MBSTRING_ASC
;
733 else if (format
== ASN1_GEN_FORMAT_UTF8
)
734 format
= MBSTRING_UTF8
;
737 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_FORMAT
);
742 if (ASN1_mbstring_copy(&atmp
->value
.asn1_string
, (unsigned char *)str
,
743 -1, format
, ASN1_tag2bit(utype
)) <= 0)
745 ASN1err(ASN1_F_ASN1_STR2TYPE
, ERR_R_MALLOC_FAILURE
);
752 case V_ASN1_BIT_STRING
:
754 case V_ASN1_OCTET_STRING
:
756 if (!(atmp
->value
.asn1_string
= ASN1_STRING_new()))
758 ASN1err(ASN1_F_ASN1_STR2TYPE
, ERR_R_MALLOC_FAILURE
);
762 if (format
== ASN1_GEN_FORMAT_HEX
)
765 if (!(rdata
= string_to_hex((char *)str
, &rdlen
)))
767 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_HEX
);
771 atmp
->value
.asn1_string
->data
= rdata
;
772 atmp
->value
.asn1_string
->length
= rdlen
;
773 atmp
->value
.asn1_string
->type
= utype
;
776 else if (format
== ASN1_GEN_FORMAT_ASCII
)
777 ASN1_STRING_set(atmp
->value
.asn1_string
, str
, -1);
778 else if ((format
== ASN1_GEN_FORMAT_BITLIST
) && (utype
== V_ASN1_BIT_STRING
))
780 if (!CONF_parse_list(str
, ',', 1, bitstr_cb
, atmp
->value
.bit_string
))
782 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_LIST_ERROR
);
790 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_ILLEGAL_BITSTRING_FORMAT
);
794 if ((utype
== V_ASN1_BIT_STRING
) && no_unused
)
796 atmp
->value
.asn1_string
->flags
797 &= ~(ASN1_STRING_FLAG_BITS_LEFT
|0x07);
798 atmp
->value
.asn1_string
->flags
799 |= ASN1_STRING_FLAG_BITS_LEFT
;
806 ASN1err(ASN1_F_ASN1_STR2TYPE
, ASN1_R_UNSUPPORTED_TYPE
);
817 ERR_add_error_data(2, "string=", str
);
820 ASN1_TYPE_free(atmp
);
825 static int bitstr_cb(const char *elem
, int len
, void *bitstr
)
831 bitnum
= strtoul(elem
, &eptr
, 10);
832 if (eptr
&& *eptr
&& (eptr
!= elem
+ len
))
836 ASN1err(ASN1_F_BITSTR_CB
, ASN1_R_INVALID_NUMBER
);
839 if (!ASN1_BIT_STRING_set_bit(bitstr
, bitnum
, 1))
841 ASN1err(ASN1_F_BITSTR_CB
, ERR_R_MALLOC_FAILURE
);