1 /*
2 * Copyright 1999-2024 The OpenSSL Project Authors. All Rights Reserved.
3 *
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
8 */
9
10 #include <stdio.h>
11 #include "internal/cryptlib.h"
12 #include "crypto/x509.h"
13 #include <openssl/conf.h>
14 #include <openssl/x509v3.h>
15 #include <openssl/bio.h>
16 #include "ext_dat.h"
17
18 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
19 X509V3_CTX *ctx,
20 STACK_OF(CONF_VALUE) *nval);
21 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
22 X509V3_CTX *ctx,
23 STACK_OF(CONF_VALUE) *nval);
24 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p);
25 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens);
26 static int do_othername(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx);
27 static int do_dirname(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx);
28
29 const X509V3_EXT_METHOD ossl_v3_alt[3] = {
30 { NID_subject_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
31 0, 0, 0, 0,
32 0, 0,
33 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
34 (X509V3_EXT_V2I)v2i_subject_alt,
35 NULL, NULL, NULL },
36
37 { NID_issuer_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
38 0, 0, 0, 0,
39 0, 0,
40 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
41 (X509V3_EXT_V2I)v2i_issuer_alt,
42 NULL, NULL, NULL },
43
44 { NID_certificate_issuer, 0, ASN1_ITEM_ref(GENERAL_NAMES),
45 0, 0, 0, 0,
46 0, 0,
47 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
48 NULL, NULL, NULL, NULL },
49 };
50
STACK_OF(CONF_VALUE)51 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
52 GENERAL_NAMES *gens,
53 STACK_OF(CONF_VALUE) *ret)
54 {
55 int i;
56 GENERAL_NAME *gen;
57 STACK_OF(CONF_VALUE) *tmpret = NULL, *origret = ret;
58
59 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
60 gen = sk_GENERAL_NAME_value(gens, i);
61 /*
62 * i2v_GENERAL_NAME allocates ret if it is NULL. If something goes
63 * wrong we need to free the stack - but only if it was empty when we
64 * originally entered this function.
65 */
66 tmpret = i2v_GENERAL_NAME(method, gen, ret);
67 if (tmpret == NULL) {
68 if (origret == NULL)
69 sk_CONF_VALUE_pop_free(ret, X509V3_conf_free);
70 return NULL;
71 }
72 ret = tmpret;
73 }
74 if (ret == NULL)
75 return sk_CONF_VALUE_new_null();
76 return ret;
77 }
78
STACK_OF(CONF_VALUE)79 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,
80 GENERAL_NAME *gen,
81 STACK_OF(CONF_VALUE) *ret)
82 {
83 char othername[300];
84 char oline[256], *tmp;
85
86 switch (gen->type) {
87 case GEN_OTHERNAME:
88 switch (OBJ_obj2nid(gen->d.otherName->type_id)) {
89 case NID_id_on_SmtpUTF8Mailbox:
90 if (gen->d.otherName->value->type != V_ASN1_UTF8STRING
91 || !x509v3_add_len_value_uchar("othername: SmtpUTF8Mailbox",
92 gen->d.otherName->value->value.utf8string->data,
93 gen->d.otherName->value->value.utf8string->length,
94 &ret))
95 return NULL;
96 break;
97 case NID_XmppAddr:
98 if (gen->d.otherName->value->type != V_ASN1_UTF8STRING
99 || !x509v3_add_len_value_uchar("othername: XmppAddr",
100 gen->d.otherName->value->value.utf8string->data,
101 gen->d.otherName->value->value.utf8string->length,
102 &ret))
103 return NULL;
104 break;
105 case NID_SRVName:
106 if (gen->d.otherName->value->type != V_ASN1_IA5STRING
107 || !x509v3_add_len_value_uchar("othername: SRVName",
108 gen->d.otherName->value->value.ia5string->data,
109 gen->d.otherName->value->value.ia5string->length,
110 &ret))
111 return NULL;
112 break;
113 case NID_ms_upn:
114 if (gen->d.otherName->value->type != V_ASN1_UTF8STRING
115 || !x509v3_add_len_value_uchar("othername: UPN",
116 gen->d.otherName->value->value.utf8string->data,
117 gen->d.otherName->value->value.utf8string->length,
118 &ret))
119 return NULL;
120 break;
121 case NID_NAIRealm:
122 if (gen->d.otherName->value->type != V_ASN1_UTF8STRING
123 || !x509v3_add_len_value_uchar("othername: NAIRealm",
124 gen->d.otherName->value->value.utf8string->data,
125 gen->d.otherName->value->value.utf8string->length,
126 &ret))
127 return NULL;
128 break;
129 default:
130 if (OBJ_obj2txt(oline, sizeof(oline), gen->d.otherName->type_id, 0) > 0)
131 BIO_snprintf(othername, sizeof(othername), "othername: %s",
132 oline);
133 else
134 OPENSSL_strlcpy(othername, "othername", sizeof(othername));
135
136 /* check if the value is something printable */
137 if (gen->d.otherName->value->type == V_ASN1_IA5STRING) {
138 if (x509v3_add_len_value_uchar(othername,
139 gen->d.otherName->value->value.ia5string->data,
140 gen->d.otherName->value->value.ia5string->length,
141 &ret))
142 return ret;
143 }
144 if (gen->d.otherName->value->type == V_ASN1_UTF8STRING) {
145 if (x509v3_add_len_value_uchar(othername,
146 gen->d.otherName->value->value.utf8string->data,
147 gen->d.otherName->value->value.utf8string->length,
148 &ret))
149 return ret;
150 }
151 if (!X509V3_add_value(othername, "<unsupported>", &ret))
152 return NULL;
153 break;
154 }
155 break;
156
157 case GEN_X400:
158 if (!X509V3_add_value("X400Name", "<unsupported>", &ret))
159 return NULL;
160 break;
161
162 case GEN_EDIPARTY:
163 if (!X509V3_add_value("EdiPartyName", "<unsupported>", &ret))
164 return NULL;
165 break;
166
167 case GEN_EMAIL:
168 if (!x509v3_add_len_value_uchar("email", gen->d.ia5->data,
169 gen->d.ia5->length, &ret))
170 return NULL;
171 break;
172
173 case GEN_DNS:
174 if (!x509v3_add_len_value_uchar("DNS", gen->d.ia5->data,
175 gen->d.ia5->length, &ret))
176 return NULL;
177 break;
178
179 case GEN_URI:
180 if (!x509v3_add_len_value_uchar("URI", gen->d.ia5->data,
181 gen->d.ia5->length, &ret))
182 return NULL;
183 break;
184
185 case GEN_DIRNAME:
186 if (X509_NAME_oneline(gen->d.dirn, oline, sizeof(oline)) == NULL
187 || !X509V3_add_value("DirName", oline, &ret))
188 return NULL;
189 break;
190
191 case GEN_IPADD:
192 tmp = ossl_ipaddr_to_asc(gen->d.ip->data, gen->d.ip->length);
193 if (tmp == NULL || !X509V3_add_value("IP Address", tmp, &ret))
194 ret = NULL;
195 OPENSSL_free(tmp);
196 break;
197
198 case GEN_RID:
199 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
200 if (!X509V3_add_value("Registered ID", oline, &ret))
201 return NULL;
202 break;
203 }
204 return ret;
205 }
206
GENERAL_NAME_print(BIO * out,GENERAL_NAME * gen)207 int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
208 {
209 char *tmp;
210 int nid;
211
212 switch (gen->type) {
213 case GEN_OTHERNAME:
214 nid = OBJ_obj2nid(gen->d.otherName->type_id);
215 /* Validate the types are as we expect before we use them */
216 if ((nid == NID_SRVName
217 && gen->d.otherName->value->type != V_ASN1_IA5STRING)
218 || (nid != NID_SRVName
219 && gen->d.otherName->value->type != V_ASN1_UTF8STRING)) {
220 BIO_printf(out, "othername:<unsupported>");
221 break;
222 }
223
224 switch (nid) {
225 case NID_id_on_SmtpUTF8Mailbox:
226 BIO_printf(out, "othername:SmtpUTF8Mailbox:%.*s",
227 gen->d.otherName->value->value.utf8string->length,
228 gen->d.otherName->value->value.utf8string->data);
229 break;
230 case NID_XmppAddr:
231 BIO_printf(out, "othername:XmppAddr:%.*s",
232 gen->d.otherName->value->value.utf8string->length,
233 gen->d.otherName->value->value.utf8string->data);
234 break;
235 case NID_SRVName:
236 BIO_printf(out, "othername:SRVName:%.*s",
237 gen->d.otherName->value->value.ia5string->length,
238 gen->d.otherName->value->value.ia5string->data);
239 break;
240 case NID_ms_upn:
241 BIO_printf(out, "othername:UPN:%.*s",
242 gen->d.otherName->value->value.utf8string->length,
243 gen->d.otherName->value->value.utf8string->data);
244 break;
245 case NID_NAIRealm:
246 BIO_printf(out, "othername:NAIRealm:%.*s",
247 gen->d.otherName->value->value.utf8string->length,
248 gen->d.otherName->value->value.utf8string->data);
249 break;
250 default:
251 BIO_printf(out, "othername:<unsupported>");
252 break;
253 }
254 break;
255
256 case GEN_X400:
257 BIO_printf(out, "X400Name:<unsupported>");
258 break;
259
260 case GEN_EDIPARTY:
261 /* Maybe fix this: it is supported now */
262 BIO_printf(out, "EdiPartyName:<unsupported>");
263 break;
264
265 case GEN_EMAIL:
266 BIO_printf(out, "email:");
267 ASN1_STRING_print(out, gen->d.ia5);
268 break;
269
270 case GEN_DNS:
271 BIO_printf(out, "DNS:");
272 ASN1_STRING_print(out, gen->d.ia5);
273 break;
274
275 case GEN_URI:
276 BIO_printf(out, "URI:");
277 ASN1_STRING_print(out, gen->d.ia5);
278 break;
279
280 case GEN_DIRNAME:
281 BIO_printf(out, "DirName:");
282 X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
283 break;
284
285 case GEN_IPADD:
286 tmp = ossl_ipaddr_to_asc(gen->d.ip->data, gen->d.ip->length);
287 if (tmp == NULL)
288 return 0;
289 BIO_printf(out, "IP Address:%s", tmp);
290 OPENSSL_free(tmp);
291 break;
292
293 case GEN_RID:
294 BIO_printf(out, "Registered ID:");
295 i2a_ASN1_OBJECT(out, gen->d.rid);
296 break;
297 }
298 return 1;
299 }
300
v2i_issuer_alt(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)301 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
302 X509V3_CTX *ctx,
303 STACK_OF(CONF_VALUE) *nval)
304 {
305 const int num = sk_CONF_VALUE_num(nval);
306 GENERAL_NAMES *gens = sk_GENERAL_NAME_new_reserve(NULL, num);
307 int i;
308
309 if (gens == NULL) {
310 ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
311 return NULL;
312 }
313 for (i = 0; i < num; i++) {
314 CONF_VALUE *cnf = sk_CONF_VALUE_value(nval, i);
315
316 if (!ossl_v3_name_cmp(cnf->name, "issuer")
317 && cnf->value && strcmp(cnf->value, "copy") == 0) {
318 if (!copy_issuer(ctx, gens))
319 goto err;
320 } else {
321 GENERAL_NAME *gen = v2i_GENERAL_NAME(method, ctx, cnf);
322
323 if (gen == NULL)
324 goto err;
325 sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
326 }
327 }
328 return gens;
329 err:
330 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
331 return NULL;
332 }
333
334 /* Append subject altname of issuer to issuer alt name of subject */
335
copy_issuer(X509V3_CTX * ctx,GENERAL_NAMES * gens)336 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
337 {
338 GENERAL_NAMES *ialt = NULL;
339 GENERAL_NAME *gen;
340 X509_EXTENSION *ext;
341 int i, num;
342
343 if (ctx != NULL && (ctx->flags & X509V3_CTX_TEST) != 0)
344 return 1;
345 if (!ctx || !ctx->issuer_cert) {
346 ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_ISSUER_DETAILS);
347 goto err;
348 }
349 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
350 if (i < 0)
351 return 1;
352 if ((ext = X509_get_ext(ctx->issuer_cert, i)) == NULL
353 || (ialt = X509V3_EXT_d2i(ext)) == NULL) {
354 ERR_raise(ERR_LIB_X509V3, X509V3_R_ISSUER_DECODE_ERROR);
355 goto err;
356 }
357
358 num = sk_GENERAL_NAME_num(ialt);
359 if (!sk_GENERAL_NAME_reserve(gens, num)) {
360 ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
361 goto err;
362 }
363
364 for (i = 0; i < num; i++) {
365 gen = sk_GENERAL_NAME_value(ialt, i);
366 sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
367 }
368 sk_GENERAL_NAME_free(ialt);
369
370 return 1;
371
372 err:
373 sk_GENERAL_NAME_free(ialt);
374 return 0;
375 }
376
v2i_subject_alt(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)377 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
378 X509V3_CTX *ctx,
379 STACK_OF(CONF_VALUE) *nval)
380 {
381 GENERAL_NAMES *gens;
382 CONF_VALUE *cnf;
383 const int num = sk_CONF_VALUE_num(nval);
384 int i;
385
386 gens = sk_GENERAL_NAME_new_reserve(NULL, num);
387 if (gens == NULL) {
388 ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
389 return NULL;
390 }
391
392 for (i = 0; i < num; i++) {
393 cnf = sk_CONF_VALUE_value(nval, i);
394 if (ossl_v3_name_cmp(cnf->name, "email") == 0
395 && cnf->value && strcmp(cnf->value, "copy") == 0) {
396 if (!copy_email(ctx, gens, 0))
397 goto err;
398 } else if (ossl_v3_name_cmp(cnf->name, "email") == 0
399 && cnf->value && strcmp(cnf->value, "move") == 0) {
400 if (!copy_email(ctx, gens, 1))
401 goto err;
402 } else {
403 GENERAL_NAME *gen;
404 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
405 goto err;
406 sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
407 }
408 }
409 return gens;
410 err:
411 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
412 return NULL;
413 }
414
415 /*
416 * Copy any email addresses in a certificate or request to GENERAL_NAMES
417 */
418
copy_email(X509V3_CTX * ctx,GENERAL_NAMES * gens,int move_p)419 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
420 {
421 X509_NAME *nm;
422 ASN1_IA5STRING *email = NULL;
423 X509_NAME_ENTRY *ne;
424 GENERAL_NAME *gen = NULL;
425 int i = -1;
426
427 if (ctx != NULL && (ctx->flags & X509V3_CTX_TEST) != 0)
428 return 1;
429 if (ctx == NULL
430 || (ctx->subject_cert == NULL && ctx->subject_req == NULL)) {
431 ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_SUBJECT_DETAILS);
432 return 0;
433 }
434 /* Find the subject name */
435 nm = ctx->subject_cert != NULL ? X509_get_subject_name(ctx->subject_cert) : X509_REQ_get_subject_name(ctx->subject_req);
436
437 /* Now add any email address(es) to STACK */
438 while ((i = X509_NAME_get_index_by_NID(nm,
439 NID_pkcs9_emailAddress, i))
440 >= 0) {
441 ne = X509_NAME_get_entry(nm, i);
442 email = ASN1_STRING_dup(X509_NAME_ENTRY_get_data(ne));
443 if (move_p) {
444 X509_NAME_delete_entry(nm, i);
445 X509_NAME_ENTRY_free(ne);
446 i--;
447 }
448 if (email == NULL || (gen = GENERAL_NAME_new()) == NULL) {
449 ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
450 goto err;
451 }
452 gen->d.ia5 = email;
453 email = NULL;
454 gen->type = GEN_EMAIL;
455 if (!sk_GENERAL_NAME_push(gens, gen)) {
456 ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
457 goto err;
458 }
459 gen = NULL;
460 }
461
462 return 1;
463
464 err:
465 GENERAL_NAME_free(gen);
466 ASN1_IA5STRING_free(email);
467 return 0;
468 }
469
v2i_GENERAL_NAMES(const X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)470 GENERAL_NAMES *v2i_GENERAL_NAMES(const X509V3_EXT_METHOD *method,
471 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
472 {
473 GENERAL_NAME *gen;
474 GENERAL_NAMES *gens;
475 CONF_VALUE *cnf;
476 const int num = sk_CONF_VALUE_num(nval);
477 int i;
478
479 gens = sk_GENERAL_NAME_new_reserve(NULL, num);
480 if (gens == NULL) {
481 ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
482 return NULL;
483 }
484
485 for (i = 0; i < num; i++) {
486 cnf = sk_CONF_VALUE_value(nval, i);
487 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
488 goto err;
489 sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
490 }
491 return gens;
492 err:
493 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
494 return NULL;
495 }
496
v2i_GENERAL_NAME(const X509V3_EXT_METHOD * method,X509V3_CTX * ctx,CONF_VALUE * cnf)497 GENERAL_NAME *v2i_GENERAL_NAME(const X509V3_EXT_METHOD *method,
498 X509V3_CTX *ctx, CONF_VALUE *cnf)
499 {
500 return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0);
501 }
502
a2i_GENERAL_NAME(GENERAL_NAME * out,const X509V3_EXT_METHOD * method,X509V3_CTX * ctx,int gen_type,const char * value,int is_nc)503 GENERAL_NAME *a2i_GENERAL_NAME(GENERAL_NAME *out,
504 const X509V3_EXT_METHOD *method,
505 X509V3_CTX *ctx, int gen_type, const char *value,
506 int is_nc)
507 {
508 char is_string = 0;
509 GENERAL_NAME *gen = NULL;
510
511 if (!value) {
512 ERR_raise(ERR_LIB_X509V3, X509V3_R_MISSING_VALUE);
513 return NULL;
514 }
515
516 if (out)
517 gen = out;
518 else {
519 gen = GENERAL_NAME_new();
520 if (gen == NULL) {
521 ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
522 return NULL;
523 }
524 }
525
526 switch (gen_type) {
527 case GEN_URI:
528 case GEN_EMAIL:
529 case GEN_DNS:
530 is_string = 1;
531 break;
532
533 case GEN_RID: {
534 ASN1_OBJECT *obj;
535 if ((obj = OBJ_txt2obj(value, 0)) == NULL) {
536 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_BAD_OBJECT,
537 "value=%s", value);
538 goto err;
539 }
540 gen->d.rid = obj;
541 } break;
542
543 case GEN_IPADD:
544 if (is_nc)
545 gen->d.ip = a2i_IPADDRESS_NC(value);
546 else
547 gen->d.ip = a2i_IPADDRESS(value);
548 if (gen->d.ip == NULL) {
549 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_BAD_IP_ADDRESS,
550 "value=%s", value);
551 goto err;
552 }
553 break;
554
555 case GEN_DIRNAME:
556 if (!do_dirname(gen, value, ctx)) {
557 ERR_raise(ERR_LIB_X509V3, X509V3_R_DIRNAME_ERROR);
558 goto err;
559 }
560 break;
561
562 case GEN_OTHERNAME:
563 if (!do_othername(gen, value, ctx)) {
564 ERR_raise(ERR_LIB_X509V3, X509V3_R_OTHERNAME_ERROR);
565 goto err;
566 }
567 break;
568 default:
569 ERR_raise(ERR_LIB_X509V3, X509V3_R_UNSUPPORTED_TYPE);
570 goto err;
571 }
572
573 if (is_string) {
574 if ((gen->d.ia5 = ASN1_IA5STRING_new()) == NULL || !ASN1_STRING_set(gen->d.ia5, (unsigned char *)value, strlen(value))) {
575 ASN1_IA5STRING_free(gen->d.ia5);
576 gen->d.ia5 = NULL;
577 ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
578 goto err;
579 }
580 }
581
582 gen->type = gen_type;
583
584 return gen;
585
586 err:
587 if (!out)
588 GENERAL_NAME_free(gen);
589 return NULL;
590 }
591
v2i_GENERAL_NAME_ex(GENERAL_NAME * out,const X509V3_EXT_METHOD * method,X509V3_CTX * ctx,CONF_VALUE * cnf,int is_nc)592 GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out,
593 const X509V3_EXT_METHOD *method,
594 X509V3_CTX *ctx, CONF_VALUE *cnf, int is_nc)
595 {
596 int type;
597
598 char *name, *value;
599
600 name = cnf->name;
601 value = cnf->value;
602
603 if (!value) {
604 ERR_raise(ERR_LIB_X509V3, X509V3_R_MISSING_VALUE);
605 return NULL;
606 }
607
608 if (!ossl_v3_name_cmp(name, "email"))
609 type = GEN_EMAIL;
610 else if (!ossl_v3_name_cmp(name, "URI"))
611 type = GEN_URI;
612 else if (!ossl_v3_name_cmp(name, "DNS"))
613 type = GEN_DNS;
614 else if (!ossl_v3_name_cmp(name, "RID"))
615 type = GEN_RID;
616 else if (!ossl_v3_name_cmp(name, "IP"))
617 type = GEN_IPADD;
618 else if (!ossl_v3_name_cmp(name, "dirName"))
619 type = GEN_DIRNAME;
620 else if (!ossl_v3_name_cmp(name, "otherName"))
621 type = GEN_OTHERNAME;
622 else {
623 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_UNSUPPORTED_OPTION,
624 "name=%s", name);
625 return NULL;
626 }
627
628 return a2i_GENERAL_NAME(out, method, ctx, type, value, is_nc);
629 }
630
do_othername(GENERAL_NAME * gen,const char * value,X509V3_CTX * ctx)631 static int do_othername(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx)
632 {
633 char *objtmp = NULL, *p;
634 int objlen;
635
636 if ((p = strchr(value, ';')) == NULL)
637 return 0;
638 if ((gen->d.otherName = OTHERNAME_new()) == NULL)
639 return 0;
640 /*
641 * Free this up because we will overwrite it. no need to free type_id
642 * because it is static
643 */
644 ASN1_TYPE_free(gen->d.otherName->value);
645 if ((gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)) == NULL)
646 goto err;
647 objlen = p - value;
648 objtmp = OPENSSL_strndup(value, objlen);
649 if (objtmp == NULL)
650 goto err;
651 gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
652 OPENSSL_free(objtmp);
653 if (!gen->d.otherName->type_id)
654 goto err;
655 return 1;
656
657 err:
658 OTHERNAME_free(gen->d.otherName);
659 gen->d.otherName = NULL;
660 return 0;
661 }
662
do_dirname(GENERAL_NAME * gen,const char * value,X509V3_CTX * ctx)663 static int do_dirname(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx)
664 {
665 int ret = 0;
666 STACK_OF(CONF_VALUE) *sk = NULL;
667 X509_NAME *nm;
668
669 if ((nm = X509_NAME_new()) == NULL)
670 goto err;
671 sk = X509V3_get_section(ctx, value);
672 if (!sk) {
673 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_SECTION_NOT_FOUND,
674 "section=%s", value);
675 goto err;
676 }
677 /* FIXME: should allow other character types... */
678 ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC);
679 if (!ret)
680 goto err;
681 gen->d.dirn = nm;
682
683 err:
684 if (ret == 0)
685 X509_NAME_free(nm);
686 X509V3_section_free(ctx, sk);
687 return ret;
688 }
689