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-rw-r--r--src/lib/libcrypto/asn1/asn1_gen.c811
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diff --git a/src/lib/libcrypto/asn1/asn1_gen.c b/src/lib/libcrypto/asn1/asn1_gen.c
deleted file mode 100644
index 08a5dec4a6..0000000000
--- a/src/lib/libcrypto/asn1/asn1_gen.c
+++ /dev/null
@@ -1,811 +0,0 @@
1/* $OpenBSD: asn1_gen.c,v 1.14 2015/07/18 14:40:59 miod Exp $ */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2002.
4 */
5/* ====================================================================
6 * Copyright (c) 2002 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
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
18 * distribution.
19 *
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/)"
24 *
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.
29 *
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.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
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 * ====================================================================
52 *
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).
56 *
57 */
58
59#include <string.h>
60
61#include <openssl/asn1.h>
62#include <openssl/err.h>
63#include <openssl/x509v3.h>
64
65#define ASN1_GEN_FLAG 0x10000
66#define ASN1_GEN_FLAG_IMP (ASN1_GEN_FLAG|1)
67#define ASN1_GEN_FLAG_EXP (ASN1_GEN_FLAG|2)
68#define ASN1_GEN_FLAG_TAG (ASN1_GEN_FLAG|3)
69#define ASN1_GEN_FLAG_BITWRAP (ASN1_GEN_FLAG|4)
70#define ASN1_GEN_FLAG_OCTWRAP (ASN1_GEN_FLAG|5)
71#define ASN1_GEN_FLAG_SEQWRAP (ASN1_GEN_FLAG|6)
72#define ASN1_GEN_FLAG_SETWRAP (ASN1_GEN_FLAG|7)
73#define ASN1_GEN_FLAG_FORMAT (ASN1_GEN_FLAG|8)
74
75#define ASN1_GEN_STR(str,val){str, sizeof(str) - 1, val}
76
77#define ASN1_FLAG_EXP_MAX 20
78
79/* Input formats */
80
81/* ASCII: default */
82#define ASN1_GEN_FORMAT_ASCII 1
83/* UTF8 */
84#define ASN1_GEN_FORMAT_UTF8 2
85/* Hex */
86#define ASN1_GEN_FORMAT_HEX 3
87/* List of bits */
88#define ASN1_GEN_FORMAT_BITLIST 4
89
90struct tag_name_st {
91 const char *strnam;
92 int len;
93 int tag;
94};
95
96typedef struct {
97 int exp_tag;
98 int exp_class;
99 int exp_constructed;
100 int exp_pad;
101 long exp_len;
102} tag_exp_type;
103
104typedef struct {
105 int imp_tag;
106 int imp_class;
107 int utype;
108 int format;
109 const char *str;
110 tag_exp_type exp_list[ASN1_FLAG_EXP_MAX];
111 int exp_count;
112} tag_exp_arg;
113
114static int bitstr_cb(const char *elem, int len, void *bitstr);
115static int asn1_cb(const char *elem, int len, void *bitstr);
116static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class,
117 int exp_constructed, int exp_pad, int imp_ok);
118static int parse_tagging(const char *vstart, int vlen, int *ptag, int *pclass);
119static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf);
120static ASN1_TYPE *asn1_str2type(const char *str, int format, int utype);
121static int asn1_str2tag(const char *tagstr, int len);
122
123ASN1_TYPE *
124ASN1_generate_nconf(char *str, CONF *nconf)
125{
126 X509V3_CTX cnf;
127
128 if (!nconf)
129 return ASN1_generate_v3(str, NULL);
130
131 X509V3_set_nconf(&cnf, nconf);
132 return ASN1_generate_v3(str, &cnf);
133}
134
135ASN1_TYPE *
136ASN1_generate_v3(char *str, X509V3_CTX *cnf)
137{
138 ASN1_TYPE *ret;
139 tag_exp_arg asn1_tags;
140 tag_exp_type *etmp;
141
142 int i, len;
143
144 unsigned char *orig_der = NULL, *new_der = NULL;
145 const unsigned char *cpy_start;
146 unsigned char *p;
147 const unsigned char *cp;
148 int cpy_len;
149 long hdr_len;
150 int hdr_constructed = 0, hdr_tag, hdr_class;
151 int r;
152
153 asn1_tags.imp_tag = -1;
154 asn1_tags.imp_class = -1;
155 asn1_tags.format = ASN1_GEN_FORMAT_ASCII;
156 asn1_tags.exp_count = 0;
157 if (CONF_parse_list(str, ',', 1, asn1_cb, &asn1_tags) != 0)
158 return NULL;
159
160 if ((asn1_tags.utype == V_ASN1_SEQUENCE) ||
161 (asn1_tags.utype == V_ASN1_SET)) {
162 if (!cnf) {
163 ASN1err(ASN1_F_ASN1_GENERATE_V3,
164 ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG);
165 return NULL;
166 }
167 ret = asn1_multi(asn1_tags.utype, asn1_tags.str, cnf);
168 } else
169 ret = asn1_str2type(asn1_tags.str, asn1_tags.format,
170 asn1_tags.utype);
171
172 if (!ret)
173 return NULL;
174
175 /* If no tagging return base type */
176 if ((asn1_tags.imp_tag == -1) && (asn1_tags.exp_count == 0))
177 return ret;
178
179 /* Generate the encoding */
180 cpy_len = i2d_ASN1_TYPE(ret, &orig_der);
181 ASN1_TYPE_free(ret);
182 ret = NULL;
183 /* Set point to start copying for modified encoding */
184 cpy_start = orig_der;
185
186 /* Do we need IMPLICIT tagging? */
187 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,
191 &hdr_class, cpy_len);
192 if (r & 0x80)
193 goto err;
194 /* Update copy length */
195 cpy_len -= cpy_start - orig_der;
196 /* For IMPLICIT tagging the length should match the
197 * original length and constructed flag should be
198 * consistent.
199 */
200 if (r & 0x1) {
201 /* Indefinite length constructed */
202 hdr_constructed = 2;
203 hdr_len = 0;
204 } else
205 /* Just retain constructed flag */
206 hdr_constructed = r & V_ASN1_CONSTRUCTED;
207 /* Work out new length with IMPLICIT tag: ignore constructed
208 * because it will mess up if indefinite length
209 */
210 len = ASN1_object_size(0, hdr_len, asn1_tags.imp_tag);
211 } else
212 len = cpy_len;
213
214 /* Work out length in any EXPLICIT, starting from end */
215
216 for (i = 0, etmp = asn1_tags.exp_list + asn1_tags.exp_count - 1;
217 i < asn1_tags.exp_count; i++, etmp--) {
218 /* Content length: number of content octets + any padding */
219 len += etmp->exp_pad;
220 etmp->exp_len = len;
221 /* Total object length: length including new header */
222 len = ASN1_object_size(0, len, etmp->exp_tag);
223 }
224
225 /* Allocate buffer for new encoding */
226
227 new_der = malloc(len);
228 if (!new_der)
229 goto err;
230
231 /* Generate tagged encoding */
232 p = new_der;
233
234 /* Output explicit tags first */
235 for (i = 0, etmp = asn1_tags.exp_list; i < asn1_tags.exp_count;
236 i++, etmp++) {
237 ASN1_put_object(&p, etmp->exp_constructed, etmp->exp_len,
238 etmp->exp_tag, etmp->exp_class);
239 if (etmp->exp_pad)
240 *p++ = 0;
241 }
242
243 /* If IMPLICIT, output tag */
244
245 if (asn1_tags.imp_tag != -1) {
246 if (asn1_tags.imp_class == V_ASN1_UNIVERSAL &&
247 (asn1_tags.imp_tag == V_ASN1_SEQUENCE ||
248 asn1_tags.imp_tag == V_ASN1_SET))
249 hdr_constructed = V_ASN1_CONSTRUCTED;
250 ASN1_put_object(&p, hdr_constructed, hdr_len,
251 asn1_tags.imp_tag, asn1_tags.imp_class);
252 }
253
254 /* Copy across original encoding */
255 memcpy(p, cpy_start, cpy_len);
256
257 cp = new_der;
258
259 /* Obtain new ASN1_TYPE structure */
260 ret = d2i_ASN1_TYPE(NULL, &cp, len);
261
262err:
263 free(orig_der);
264 free(new_der);
265
266 return ret;
267}
268
269static int
270asn1_cb(const char *elem, int len, void *bitstr)
271{
272 tag_exp_arg *arg = bitstr;
273 int i;
274 int utype;
275 int vlen = 0;
276 const char *p, *vstart = NULL;
277
278 int tmp_tag, tmp_class;
279
280 for (i = 0, p = elem; i < len; p++, i++) {
281 /* Look for the ':' in name value pairs */
282 if (*p == ':') {
283 vstart = p + 1;
284 vlen = len - (vstart - elem);
285 len = p - elem;
286 break;
287 }
288 }
289
290 utype = asn1_str2tag(elem, len);
291
292 if (utype == -1) {
293 ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKNOWN_TAG);
294 ERR_asprintf_error_data("tag=%s", elem);
295 return -1;
296 }
297
298 /* If this is not a modifier mark end of string and exit */
299 if (!(utype & ASN1_GEN_FLAG)) {
300 arg->utype = utype;
301 arg->str = vstart;
302 /* If no value and not end of string, error */
303 if (!vstart && elem[len]) {
304 ASN1err(ASN1_F_ASN1_CB, ASN1_R_MISSING_VALUE);
305 return -1;
306 }
307 return 0;
308 }
309
310 switch (utype) {
311
312 case ASN1_GEN_FLAG_IMP:
313 /* Check for illegal multiple IMPLICIT tagging */
314 if (arg->imp_tag != -1) {
315 ASN1err(ASN1_F_ASN1_CB, ASN1_R_ILLEGAL_NESTED_TAGGING);
316 return -1;
317 }
318 if (!parse_tagging(vstart, vlen, &arg->imp_tag,
319 &arg->imp_class))
320 return -1;
321 break;
322
323 case ASN1_GEN_FLAG_EXP:
324 if (!parse_tagging(vstart, vlen, &tmp_tag, &tmp_class))
325 return -1;
326 if (!append_exp(arg, tmp_tag, tmp_class, 1, 0, 0))
327 return -1;
328 break;
329
330 case ASN1_GEN_FLAG_SEQWRAP:
331 if (!append_exp(arg, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, 1, 0, 1))
332 return -1;
333 break;
334
335 case ASN1_GEN_FLAG_SETWRAP:
336 if (!append_exp(arg, V_ASN1_SET, V_ASN1_UNIVERSAL, 1, 0, 1))
337 return -1;
338 break;
339
340 case ASN1_GEN_FLAG_BITWRAP:
341 if (!append_exp(arg, V_ASN1_BIT_STRING, V_ASN1_UNIVERSAL, 0, 1, 1))
342 return -1;
343 break;
344
345 case ASN1_GEN_FLAG_OCTWRAP:
346 if (!append_exp(arg, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL, 0, 0, 1))
347 return -1;
348 break;
349
350 case ASN1_GEN_FLAG_FORMAT:
351 if (vstart == NULL) {
352 ASN1err(ASN1_F_ASN1_CB, ASN1_R_ILLEGAL_FORMAT);
353 return -1;
354 }
355 if (!strncmp(vstart, "ASCII", 5))
356 arg->format = ASN1_GEN_FORMAT_ASCII;
357 else if (!strncmp(vstart, "UTF8", 4))
358 arg->format = ASN1_GEN_FORMAT_UTF8;
359 else if (!strncmp(vstart, "HEX", 3))
360 arg->format = ASN1_GEN_FORMAT_HEX;
361 else if (!strncmp(vstart, "BITLIST", 7))
362 arg->format = ASN1_GEN_FORMAT_BITLIST;
363 else {
364 ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKOWN_FORMAT);
365 return -1;
366 }
367 break;
368
369 }
370
371 return 1;
372}
373
374static int
375parse_tagging(const char *vstart, int vlen, int *ptag, int *pclass)
376{
377 long tag_num;
378 char *eptr;
379
380 if (!vstart)
381 return 0;
382 tag_num = strtoul(vstart, &eptr, 10);
383 /* Check we haven't gone past max length: should be impossible */
384 if (eptr && *eptr && (eptr > vstart + vlen))
385 return 0;
386 if (tag_num < 0) {
387 ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_NUMBER);
388 return 0;
389 }
390 *ptag = tag_num;
391 /* If we have non numeric characters, parse them */
392 if (eptr)
393 vlen -= eptr - vstart;
394 else
395 vlen = 0;
396 if (vlen) {
397 switch (*eptr) {
398
399 case 'U':
400 *pclass = V_ASN1_UNIVERSAL;
401 break;
402
403 case 'A':
404 *pclass = V_ASN1_APPLICATION;
405 break;
406
407 case 'P':
408 *pclass = V_ASN1_PRIVATE;
409 break;
410
411 case 'C':
412 *pclass = V_ASN1_CONTEXT_SPECIFIC;
413 break;
414
415 default:
416 ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_MODIFIER);
417 ERR_asprintf_error_data("Char=%c", *eptr);
418 return 0;
419 break;
420
421 }
422 } else
423 *pclass = V_ASN1_CONTEXT_SPECIFIC;
424
425 return 1;
426
427}
428
429/* Handle multiple types: SET and SEQUENCE */
430
431static ASN1_TYPE *
432asn1_multi(int utype, const char *section, X509V3_CTX *cnf)
433{
434 ASN1_TYPE *ret = NULL;
435 STACK_OF(ASN1_TYPE) *sk = NULL;
436 STACK_OF(CONF_VALUE) *sect = NULL;
437 unsigned char *der = NULL;
438 int derlen;
439 int i;
440 sk = sk_ASN1_TYPE_new_null();
441 if (!sk)
442 goto bad;
443 if (section) {
444 if (!cnf)
445 goto bad;
446 sect = X509V3_get_section(cnf, (char *)section);
447 if (!sect)
448 goto bad;
449 for (i = 0; i < sk_CONF_VALUE_num(sect); i++) {
450 ASN1_TYPE *typ = ASN1_generate_v3(
451 sk_CONF_VALUE_value(sect, i)->value, cnf);
452 if (!typ)
453 goto bad;
454 if (!sk_ASN1_TYPE_push(sk, typ))
455 goto bad;
456 }
457 }
458
459 /* Now we has a STACK of the components, convert to the correct form */
460
461 if (utype == V_ASN1_SET)
462 derlen = i2d_ASN1_SET_ANY(sk, &der);
463 else
464 derlen = i2d_ASN1_SEQUENCE_ANY(sk, &der);
465
466 if (derlen < 0)
467 goto bad;
468
469 if (!(ret = ASN1_TYPE_new()))
470 goto bad;
471
472 if (!(ret->value.asn1_string = ASN1_STRING_type_new(utype)))
473 goto bad;
474
475 ret->type = utype;
476
477 ret->value.asn1_string->data = der;
478 ret->value.asn1_string->length = derlen;
479
480 der = NULL;
481
482bad:
483 free(der);
484 if (sk)
485 sk_ASN1_TYPE_pop_free(sk, ASN1_TYPE_free);
486 if (sect)
487 X509V3_section_free(cnf, sect);
488
489 return ret;
490}
491
492static int
493append_exp(tag_exp_arg *arg, int exp_tag, int exp_class, int exp_constructed,
494 int exp_pad, int imp_ok)
495{
496 tag_exp_type *exp_tmp;
497
498 /* Can only have IMPLICIT if permitted */
499 if ((arg->imp_tag != -1) && !imp_ok) {
500 ASN1err(ASN1_F_APPEND_EXP, ASN1_R_ILLEGAL_IMPLICIT_TAG);
501 return 0;
502 }
503
504 if (arg->exp_count == ASN1_FLAG_EXP_MAX) {
505 ASN1err(ASN1_F_APPEND_EXP, ASN1_R_DEPTH_EXCEEDED);
506 return 0;
507 }
508
509 exp_tmp = &arg->exp_list[arg->exp_count++];
510
511 /* If IMPLICIT set tag to implicit value then
512 * reset implicit tag since it has been used.
513 */
514 if (arg->imp_tag != -1) {
515 exp_tmp->exp_tag = arg->imp_tag;
516 exp_tmp->exp_class = arg->imp_class;
517 arg->imp_tag = -1;
518 arg->imp_class = -1;
519 } else {
520 exp_tmp->exp_tag = exp_tag;
521 exp_tmp->exp_class = exp_class;
522 }
523 exp_tmp->exp_constructed = exp_constructed;
524 exp_tmp->exp_pad = exp_pad;
525
526 return 1;
527}
528
529static int
530asn1_str2tag(const char *tagstr, int len)
531{
532 unsigned int i;
533 static const struct tag_name_st *tntmp, tnst [] = {
534 ASN1_GEN_STR("BOOL", V_ASN1_BOOLEAN),
535 ASN1_GEN_STR("BOOLEAN", V_ASN1_BOOLEAN),
536 ASN1_GEN_STR("NULL", V_ASN1_NULL),
537 ASN1_GEN_STR("INT", V_ASN1_INTEGER),
538 ASN1_GEN_STR("INTEGER", V_ASN1_INTEGER),
539 ASN1_GEN_STR("ENUM", V_ASN1_ENUMERATED),
540 ASN1_GEN_STR("ENUMERATED", V_ASN1_ENUMERATED),
541 ASN1_GEN_STR("OID", V_ASN1_OBJECT),
542 ASN1_GEN_STR("OBJECT", V_ASN1_OBJECT),
543 ASN1_GEN_STR("UTCTIME", V_ASN1_UTCTIME),
544 ASN1_GEN_STR("UTC", V_ASN1_UTCTIME),
545 ASN1_GEN_STR("GENERALIZEDTIME", V_ASN1_GENERALIZEDTIME),
546 ASN1_GEN_STR("GENTIME", V_ASN1_GENERALIZEDTIME),
547 ASN1_GEN_STR("OCT", V_ASN1_OCTET_STRING),
548 ASN1_GEN_STR("OCTETSTRING", V_ASN1_OCTET_STRING),
549 ASN1_GEN_STR("BITSTR", V_ASN1_BIT_STRING),
550 ASN1_GEN_STR("BITSTRING", V_ASN1_BIT_STRING),
551 ASN1_GEN_STR("UNIVERSALSTRING", V_ASN1_UNIVERSALSTRING),
552 ASN1_GEN_STR("UNIV", V_ASN1_UNIVERSALSTRING),
553 ASN1_GEN_STR("IA5", V_ASN1_IA5STRING),
554 ASN1_GEN_STR("IA5STRING", V_ASN1_IA5STRING),
555 ASN1_GEN_STR("UTF8", V_ASN1_UTF8STRING),
556 ASN1_GEN_STR("UTF8String", V_ASN1_UTF8STRING),
557 ASN1_GEN_STR("BMP", V_ASN1_BMPSTRING),
558 ASN1_GEN_STR("BMPSTRING", V_ASN1_BMPSTRING),
559 ASN1_GEN_STR("VISIBLESTRING", V_ASN1_VISIBLESTRING),
560 ASN1_GEN_STR("VISIBLE", V_ASN1_VISIBLESTRING),
561 ASN1_GEN_STR("PRINTABLESTRING", V_ASN1_PRINTABLESTRING),
562 ASN1_GEN_STR("PRINTABLE", V_ASN1_PRINTABLESTRING),
563 ASN1_GEN_STR("T61", V_ASN1_T61STRING),
564 ASN1_GEN_STR("T61STRING", V_ASN1_T61STRING),
565 ASN1_GEN_STR("TELETEXSTRING", V_ASN1_T61STRING),
566 ASN1_GEN_STR("GeneralString", V_ASN1_GENERALSTRING),
567 ASN1_GEN_STR("GENSTR", V_ASN1_GENERALSTRING),
568 ASN1_GEN_STR("NUMERIC", V_ASN1_NUMERICSTRING),
569 ASN1_GEN_STR("NUMERICSTRING", V_ASN1_NUMERICSTRING),
570
571 /* Special cases */
572 ASN1_GEN_STR("SEQUENCE", V_ASN1_SEQUENCE),
573 ASN1_GEN_STR("SEQ", V_ASN1_SEQUENCE),
574 ASN1_GEN_STR("SET", V_ASN1_SET),
575 /* type modifiers */
576 /* Explicit tag */
577 ASN1_GEN_STR("EXP", ASN1_GEN_FLAG_EXP),
578 ASN1_GEN_STR("EXPLICIT", ASN1_GEN_FLAG_EXP),
579 /* Implicit tag */
580 ASN1_GEN_STR("IMP", ASN1_GEN_FLAG_IMP),
581 ASN1_GEN_STR("IMPLICIT", ASN1_GEN_FLAG_IMP),
582 /* OCTET STRING wrapper */
583 ASN1_GEN_STR("OCTWRAP", ASN1_GEN_FLAG_OCTWRAP),
584 /* SEQUENCE wrapper */
585 ASN1_GEN_STR("SEQWRAP", ASN1_GEN_FLAG_SEQWRAP),
586 /* SET wrapper */
587 ASN1_GEN_STR("SETWRAP", ASN1_GEN_FLAG_SETWRAP),
588 /* BIT STRING wrapper */
589 ASN1_GEN_STR("BITWRAP", ASN1_GEN_FLAG_BITWRAP),
590 ASN1_GEN_STR("FORM", ASN1_GEN_FLAG_FORMAT),
591 ASN1_GEN_STR("FORMAT", ASN1_GEN_FLAG_FORMAT),
592 };
593
594 if (len == -1)
595 len = strlen(tagstr);
596
597 tntmp = tnst;
598 for (i = 0; i < sizeof(tnst) / sizeof(struct tag_name_st);
599 i++, tntmp++) {
600 if ((len == tntmp->len) && !strncmp(tntmp->strnam, tagstr, len))
601 return tntmp->tag;
602 }
603
604 return -1;
605}
606
607static ASN1_TYPE *
608asn1_str2type(const char *str, int format, int utype)
609{
610 ASN1_TYPE *atmp = NULL;
611 CONF_VALUE vtmp;
612 unsigned char *rdata;
613 long rdlen;
614 int no_unused = 1;
615
616 if (!(atmp = ASN1_TYPE_new())) {
617 ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
618 return NULL;
619 }
620
621 if (!str)
622 str = "";
623
624 switch (utype) {
625
626 case V_ASN1_NULL:
627 if (str && *str) {
628 ASN1err(ASN1_F_ASN1_STR2TYPE,
629 ASN1_R_ILLEGAL_NULL_VALUE);
630 goto bad_form;
631 }
632 break;
633
634 case V_ASN1_BOOLEAN:
635 if (format != ASN1_GEN_FORMAT_ASCII) {
636 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_NOT_ASCII_FORMAT);
637 goto bad_form;
638 }
639 vtmp.name = NULL;
640 vtmp.section = NULL;
641 vtmp.value = (char *)str;
642 if (!X509V3_get_value_bool(&vtmp, &atmp->value.boolean)) {
643 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_BOOLEAN);
644 goto bad_str;
645 }
646 break;
647
648 case V_ASN1_INTEGER:
649 case V_ASN1_ENUMERATED:
650 if (format != ASN1_GEN_FORMAT_ASCII) {
651 ASN1err(ASN1_F_ASN1_STR2TYPE,
652 ASN1_R_INTEGER_NOT_ASCII_FORMAT);
653 goto bad_form;
654 }
655 if (!(atmp->value.integer =
656 s2i_ASN1_INTEGER(NULL, (char *)str))) {
657 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_INTEGER);
658 goto bad_str;
659 }
660 break;
661
662 case V_ASN1_OBJECT:
663 if (format != ASN1_GEN_FORMAT_ASCII) {
664 ASN1err(ASN1_F_ASN1_STR2TYPE,
665 ASN1_R_OBJECT_NOT_ASCII_FORMAT);
666 goto bad_form;
667 }
668 if (!(atmp->value.object = OBJ_txt2obj(str, 0))) {
669 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_OBJECT);
670 goto bad_str;
671 }
672 break;
673
674 case V_ASN1_UTCTIME:
675 case V_ASN1_GENERALIZEDTIME:
676 if (format != ASN1_GEN_FORMAT_ASCII) {
677 ASN1err(ASN1_F_ASN1_STR2TYPE,
678 ASN1_R_TIME_NOT_ASCII_FORMAT);
679 goto bad_form;
680 }
681 if (!(atmp->value.asn1_string = ASN1_STRING_new())) {
682 ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
683 goto bad_str;
684 }
685 if (!ASN1_STRING_set(atmp->value.asn1_string, str, -1)) {
686 ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
687 goto bad_str;
688 }
689 atmp->value.asn1_string->type = utype;
690 if (!ASN1_TIME_check(atmp->value.asn1_string)) {
691 ASN1err(ASN1_F_ASN1_STR2TYPE,
692 ASN1_R_ILLEGAL_TIME_VALUE);
693 goto bad_str;
694 }
695 break;
696
697 case V_ASN1_BMPSTRING:
698 case V_ASN1_PRINTABLESTRING:
699 case V_ASN1_IA5STRING:
700 case V_ASN1_T61STRING:
701 case V_ASN1_UTF8STRING:
702 case V_ASN1_VISIBLESTRING:
703 case V_ASN1_UNIVERSALSTRING:
704 case V_ASN1_GENERALSTRING:
705 case V_ASN1_NUMERICSTRING:
706
707 if (format == ASN1_GEN_FORMAT_ASCII)
708 format = MBSTRING_ASC;
709 else if (format == ASN1_GEN_FORMAT_UTF8)
710 format = MBSTRING_UTF8;
711 else {
712 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_FORMAT);
713 goto bad_form;
714 }
715
716 if (ASN1_mbstring_copy(&atmp->value.asn1_string,
717 (unsigned char *)str, -1, format,
718 ASN1_tag2bit(utype)) <= 0) {
719 ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
720 goto bad_str;
721 }
722 break;
723
724 case V_ASN1_BIT_STRING:
725 case V_ASN1_OCTET_STRING:
726 if (!(atmp->value.asn1_string = ASN1_STRING_new())) {
727 ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
728 goto bad_form;
729 }
730
731 if (format == ASN1_GEN_FORMAT_HEX) {
732
733 if (!(rdata = string_to_hex((char *)str, &rdlen))) {
734 ASN1err(ASN1_F_ASN1_STR2TYPE,
735 ASN1_R_ILLEGAL_HEX);
736 goto bad_str;
737 }
738
739 atmp->value.asn1_string->data = rdata;
740 atmp->value.asn1_string->length = rdlen;
741 atmp->value.asn1_string->type = utype;
742
743 } else if (format == ASN1_GEN_FORMAT_ASCII) {
744 if (ASN1_STRING_set(atmp->value.asn1_string, str,
745 -1) == 0) {
746 ASN1err(ASN1_F_ASN1_STR2TYPE,
747 ERR_R_MALLOC_FAILURE);
748 goto bad_str;
749 }
750 } else if ((format == ASN1_GEN_FORMAT_BITLIST) &&
751 (utype == V_ASN1_BIT_STRING)) {
752 if (!CONF_parse_list(str, ',', 1, bitstr_cb,
753 atmp->value.bit_string)) {
754 ASN1err(ASN1_F_ASN1_STR2TYPE,
755 ASN1_R_LIST_ERROR);
756 goto bad_str;
757 }
758 no_unused = 0;
759
760 } else {
761 ASN1err(ASN1_F_ASN1_STR2TYPE,
762 ASN1_R_ILLEGAL_BITSTRING_FORMAT);
763 goto bad_form;
764 }
765
766 if ((utype == V_ASN1_BIT_STRING) && no_unused) {
767 atmp->value.asn1_string->flags &=
768 ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07);
769 atmp->value.asn1_string->flags |=
770 ASN1_STRING_FLAG_BITS_LEFT;
771 }
772
773 break;
774
775 default:
776 ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_UNSUPPORTED_TYPE);
777 goto bad_str;
778 break;
779 }
780
781 atmp->type = utype;
782 return atmp;
783
784bad_str:
785 ERR_asprintf_error_data("string=%s", str);
786bad_form:
787 ASN1_TYPE_free(atmp);
788 return NULL;
789}
790
791static int
792bitstr_cb(const char *elem, int len, void *bitstr)
793{
794 long bitnum;
795 char *eptr;
796
797 if (!elem)
798 return 0;
799 bitnum = strtoul(elem, &eptr, 10);
800 if (eptr && *eptr && (eptr != elem + len))
801 return 0;
802 if (bitnum < 0) {
803 ASN1err(ASN1_F_BITSTR_CB, ASN1_R_INVALID_NUMBER);
804 return 0;
805 }
806 if (!ASN1_BIT_STRING_set_bit(bitstr, bitnum, 1)) {
807 ASN1err(ASN1_F_BITSTR_CB, ERR_R_MALLOC_FAILURE);
808 return 0;
809 }
810 return 1;
811}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-22 18:18:57 +0000