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1 /* v3_alt.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3  * project.
4  */
5 /* ====================================================================
6  * Copyright (c) 1999-2003 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 #include <stdio.h>
58 #include <string.h>
59 
60 #include <openssl/conf.h>
61 #include <openssl/err.h>
62 #include <openssl/mem.h>
63 #include <openssl/obj.h>
64 #include <openssl/x509v3.h>
65 
66 
67 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
68 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
69 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p);
70 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens);
71 static int do_othername(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx);
72 static int do_dirname(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx);
73 
74 const X509V3_EXT_METHOD v3_alt[] = {
75 { NID_subject_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
76 0,0,0,0,
77 0,0,
78 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
79 (X509V3_EXT_V2I)v2i_subject_alt,
80 NULL, NULL, NULL},
81 
82 { NID_issuer_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
83 0,0,0,0,
84 0,0,
85 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
86 (X509V3_EXT_V2I)v2i_issuer_alt,
87 NULL, NULL, NULL},
88 
89 { NID_certificate_issuer, 0, ASN1_ITEM_ref(GENERAL_NAMES),
90 0,0,0,0,
91 0,0,
92 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
93 NULL, NULL, NULL, NULL},
94 };
95 
STACK_OF(CONF_VALUE)96 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
97 		GENERAL_NAMES *gens, STACK_OF(CONF_VALUE) *ret)
98 {
99 	size_t i;
100 	GENERAL_NAME *gen;
101 	for(i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
102 		gen = sk_GENERAL_NAME_value(gens, i);
103 		ret = i2v_GENERAL_NAME(method, gen, ret);
104 	}
105 	if(!ret) return sk_CONF_VALUE_new_null();
106 	return ret;
107 }
108 
STACK_OF(CONF_VALUE)109 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,
110 				GENERAL_NAME *gen, STACK_OF(CONF_VALUE) *ret)
111 {
112 	unsigned char *p;
113 	char oline[256], htmp[5];
114 	int i;
115 	switch (gen->type)
116 	{
117 		case GEN_OTHERNAME:
118 		X509V3_add_value("othername","<unsupported>", &ret);
119 		break;
120 
121 		case GEN_X400:
122 		X509V3_add_value("X400Name","<unsupported>", &ret);
123 		break;
124 
125 		case GEN_EDIPARTY:
126 		X509V3_add_value("EdiPartyName","<unsupported>", &ret);
127 		break;
128 
129 		case GEN_EMAIL:
130 		X509V3_add_value_uchar("email",gen->d.ia5->data, &ret);
131 		break;
132 
133 		case GEN_DNS:
134 		X509V3_add_value_uchar("DNS",gen->d.ia5->data, &ret);
135 		break;
136 
137 		case GEN_URI:
138 		X509V3_add_value_uchar("URI",gen->d.ia5->data, &ret);
139 		break;
140 
141 		case GEN_DIRNAME:
142 		X509_NAME_oneline(gen->d.dirn, oline, 256);
143 		X509V3_add_value("DirName",oline, &ret);
144 		break;
145 
146 		case GEN_IPADD:
147 		p = gen->d.ip->data;
148 		if(gen->d.ip->length == 4)
149 			BIO_snprintf(oline, sizeof oline,
150 				     "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
151 		else if(gen->d.ip->length == 16)
152 			{
153 			oline[0] = 0;
154 			for (i = 0; i < 8; i++)
155 				{
156 				BIO_snprintf(htmp, sizeof htmp,
157 					     "%X", p[0] << 8 | p[1]);
158 				p += 2;
159 				strcat(oline, htmp);
160 				if (i != 7)
161 					strcat(oline, ":");
162 				}
163 			}
164 		else
165 			{
166 			X509V3_add_value("IP Address","<invalid>", &ret);
167 			break;
168 			}
169 		X509V3_add_value("IP Address",oline, &ret);
170 		break;
171 
172 		case GEN_RID:
173 		i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
174 		X509V3_add_value("Registered ID",oline, &ret);
175 		break;
176 	}
177 	return ret;
178 }
179 
GENERAL_NAME_print(BIO * out,GENERAL_NAME * gen)180 int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
181 {
182 	unsigned char *p;
183 	int i;
184 	switch (gen->type)
185 	{
186 		case GEN_OTHERNAME:
187 		BIO_printf(out, "othername:<unsupported>");
188 		break;
189 
190 		case GEN_X400:
191 		BIO_printf(out, "X400Name:<unsupported>");
192 		break;
193 
194 		case GEN_EDIPARTY:
195 		/* Maybe fix this: it is supported now */
196 		BIO_printf(out, "EdiPartyName:<unsupported>");
197 		break;
198 
199 		case GEN_EMAIL:
200 		BIO_printf(out, "email:%s",gen->d.ia5->data);
201 		break;
202 
203 		case GEN_DNS:
204 		BIO_printf(out, "DNS:%s",gen->d.ia5->data);
205 		break;
206 
207 		case GEN_URI:
208 		BIO_printf(out, "URI:%s",gen->d.ia5->data);
209 		break;
210 
211 		case GEN_DIRNAME:
212 		BIO_printf(out, "DirName: ");
213 		X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
214 		break;
215 
216 		case GEN_IPADD:
217 		p = gen->d.ip->data;
218 		if(gen->d.ip->length == 4)
219 			BIO_printf(out, "IP Address:%d.%d.%d.%d",
220 						p[0], p[1], p[2], p[3]);
221 		else if(gen->d.ip->length == 16)
222 			{
223 			BIO_printf(out, "IP Address");
224 			for (i = 0; i < 8; i++)
225 				{
226 				BIO_printf(out, ":%X", p[0] << 8 | p[1]);
227 				p += 2;
228 				}
229 			BIO_puts(out, "\n");
230 			}
231 		else
232 			{
233 			BIO_printf(out,"IP Address:<invalid>");
234 			break;
235 			}
236 		break;
237 
238 		case GEN_RID:
239 		BIO_printf(out, "Registered ID");
240 		i2a_ASN1_OBJECT(out, gen->d.rid);
241 		break;
242 	}
243 	return 1;
244 }
245 
v2i_issuer_alt(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)246 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
247 				 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
248 {
249 	GENERAL_NAMES *gens = NULL;
250 	CONF_VALUE *cnf;
251 	size_t i;
252 	if(!(gens = sk_GENERAL_NAME_new_null())) {
253 		OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
254 		return NULL;
255 	}
256 	for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
257 		cnf = sk_CONF_VALUE_value(nval, i);
258 		if(!name_cmp(cnf->name, "issuer") && cnf->value &&
259 						!strcmp(cnf->value, "copy")) {
260 			if(!copy_issuer(ctx, gens)) goto err;
261 		} else {
262 			GENERAL_NAME *gen;
263 			if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
264 								 goto err;
265 			sk_GENERAL_NAME_push(gens, gen);
266 		}
267 	}
268 	return gens;
269 	err:
270 	sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
271 	return NULL;
272 }
273 
274 /* Append subject altname of issuer to issuer alt name of subject */
275 
copy_issuer(X509V3_CTX * ctx,GENERAL_NAMES * gens)276 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
277 {
278 	GENERAL_NAMES *ialt;
279 	GENERAL_NAME *gen;
280 	X509_EXTENSION *ext;
281 	int i;
282 	size_t j;
283 	if(ctx && (ctx->flags == CTX_TEST)) return 1;
284 	if(!ctx || !ctx->issuer_cert) {
285 		OPENSSL_PUT_ERROR(X509V3, X509V3_R_NO_ISSUER_DETAILS);
286 		goto err;
287 	}
288         i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
289 	if(i < 0) return 1;
290         if(!(ext = X509_get_ext(ctx->issuer_cert, i)) ||
291                         !(ialt = X509V3_EXT_d2i(ext)) ) {
292 		OPENSSL_PUT_ERROR(X509V3, X509V3_R_ISSUER_DECODE_ERROR);
293 		goto err;
294 	}
295 
296 	for(j = 0; j < sk_GENERAL_NAME_num(ialt); j++) {
297 		gen = sk_GENERAL_NAME_value(ialt, j);
298 		if(!sk_GENERAL_NAME_push(gens, gen)) {
299 			OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
300 			goto err;
301 		}
302 	}
303 	sk_GENERAL_NAME_free(ialt);
304 
305 	return 1;
306 
307 	err:
308 	return 0;
309 
310 }
311 
v2i_subject_alt(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)312 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
313 				 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
314 {
315 	GENERAL_NAMES *gens = NULL;
316 	CONF_VALUE *cnf;
317 	size_t i;
318 	if(!(gens = sk_GENERAL_NAME_new_null())) {
319 		OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
320 		return NULL;
321 	}
322 	for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
323 		cnf = sk_CONF_VALUE_value(nval, i);
324 		if(!name_cmp(cnf->name, "email") && cnf->value &&
325 						!strcmp(cnf->value, "copy")) {
326 			if(!copy_email(ctx, gens, 0)) goto err;
327 		} else if(!name_cmp(cnf->name, "email") && cnf->value &&
328 						!strcmp(cnf->value, "move")) {
329 			if(!copy_email(ctx, gens, 1)) goto err;
330 		} else {
331 			GENERAL_NAME *gen;
332 			if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
333 								 goto err;
334 			sk_GENERAL_NAME_push(gens, gen);
335 		}
336 	}
337 	return gens;
338 	err:
339 	sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
340 	return NULL;
341 }
342 
343 /* Copy any email addresses in a certificate or request to
344  * GENERAL_NAMES
345  */
346 
copy_email(X509V3_CTX * ctx,GENERAL_NAMES * gens,int move_p)347 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
348 {
349 	X509_NAME *nm;
350 	ASN1_IA5STRING *email = NULL;
351 	X509_NAME_ENTRY *ne;
352 	GENERAL_NAME *gen = NULL;
353 	int i;
354 	if(ctx != NULL && ctx->flags == CTX_TEST)
355 		return 1;
356 	if(!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
357 		OPENSSL_PUT_ERROR(X509V3, X509V3_R_NO_SUBJECT_DETAILS);
358 		goto err;
359 	}
360 	/* Find the subject name */
361 	if(ctx->subject_cert) nm = X509_get_subject_name(ctx->subject_cert);
362 	else nm = X509_REQ_get_subject_name(ctx->subject_req);
363 
364 	/* Now add any email address(es) to STACK */
365 	i = -1;
366 	while((i = X509_NAME_get_index_by_NID(nm,
367 					 NID_pkcs9_emailAddress, i)) >= 0) {
368 		ne = X509_NAME_get_entry(nm, i);
369 		email = M_ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne));
370                 if (move_p)
371                         {
372                         X509_NAME_delete_entry(nm, i);
373 			X509_NAME_ENTRY_free(ne);
374                         i--;
375                         }
376 		if(!email || !(gen = GENERAL_NAME_new())) {
377 			OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
378 			goto err;
379 		}
380 		gen->d.ia5 = email;
381 		email = NULL;
382 		gen->type = GEN_EMAIL;
383 		if(!sk_GENERAL_NAME_push(gens, gen)) {
384 			OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
385 			goto err;
386 		}
387 		gen = NULL;
388 	}
389 
390 
391 	return 1;
392 
393 	err:
394 	GENERAL_NAME_free(gen);
395 	M_ASN1_IA5STRING_free(email);
396 	return 0;
397 
398 }
399 
v2i_GENERAL_NAMES(const X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)400 GENERAL_NAMES *v2i_GENERAL_NAMES(const X509V3_EXT_METHOD *method,
401 				 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
402 {
403 	GENERAL_NAME *gen;
404 	GENERAL_NAMES *gens = NULL;
405 	CONF_VALUE *cnf;
406 	size_t i;
407 	if(!(gens = sk_GENERAL_NAME_new_null())) {
408 		OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
409 		return NULL;
410 	}
411 	for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
412 		cnf = sk_CONF_VALUE_value(nval, i);
413 		if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
414 		sk_GENERAL_NAME_push(gens, gen);
415 	}
416 	return gens;
417 	err:
418 	sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
419 	return NULL;
420 }
421 
v2i_GENERAL_NAME(const X509V3_EXT_METHOD * method,X509V3_CTX * ctx,CONF_VALUE * cnf)422 GENERAL_NAME *v2i_GENERAL_NAME(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
423 			       CONF_VALUE *cnf)
424 	{
425 	return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0);
426 	}
427 
a2i_GENERAL_NAME(GENERAL_NAME * out,const X509V3_EXT_METHOD * method,X509V3_CTX * ctx,int gen_type,char * value,int is_nc)428 GENERAL_NAME *a2i_GENERAL_NAME(GENERAL_NAME *out,
429 			       const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
430 			       int gen_type, char *value, int is_nc)
431 	{
432 	char is_string = 0;
433 	GENERAL_NAME *gen = NULL;
434 
435 	if(!value)
436 		{
437 		OPENSSL_PUT_ERROR(X509V3, X509V3_R_MISSING_VALUE);
438 		return NULL;
439 		}
440 
441 	if (out)
442 		gen = out;
443 	else
444 		{
445 		gen = GENERAL_NAME_new();
446 		if(gen == NULL)
447 			{
448 			OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
449 			return NULL;
450 			}
451 		}
452 
453 	switch (gen_type)
454 		{
455 		case GEN_URI:
456 		case GEN_EMAIL:
457 		case GEN_DNS:
458 		is_string = 1;
459 		break;
460 
461 		case GEN_RID:
462 		{
463 		ASN1_OBJECT *obj;
464 		if(!(obj = OBJ_txt2obj(value,0)))
465 			{
466 			OPENSSL_PUT_ERROR(X509V3, X509V3_R_BAD_OBJECT);
467 			ERR_add_error_data(2, "value=", value);
468 			goto err;
469 			}
470 		gen->d.rid = obj;
471 		}
472 		break;
473 
474 		case GEN_IPADD:
475 		if (is_nc)
476 			gen->d.ip = a2i_IPADDRESS_NC(value);
477 		else
478 			gen->d.ip = a2i_IPADDRESS(value);
479 		if(gen->d.ip == NULL)
480 			{
481 			OPENSSL_PUT_ERROR(X509V3, X509V3_R_BAD_IP_ADDRESS);
482 			ERR_add_error_data(2, "value=", value);
483 			goto err;
484 			}
485 		break;
486 
487 		case GEN_DIRNAME:
488 		if (!do_dirname(gen, value, ctx))
489 			{
490 			OPENSSL_PUT_ERROR(X509V3, X509V3_R_DIRNAME_ERROR);
491 			goto err;
492 			}
493 		break;
494 
495 		case GEN_OTHERNAME:
496 		if (!do_othername(gen, value, ctx))
497 			{
498 			OPENSSL_PUT_ERROR(X509V3, X509V3_R_OTHERNAME_ERROR);
499 			goto err;
500 			}
501 		break;
502 		default:
503 		OPENSSL_PUT_ERROR(X509V3, X509V3_R_UNSUPPORTED_TYPE);
504 		goto err;
505 		}
506 
507 	if(is_string)
508 		{
509 		if(!(gen->d.ia5 = M_ASN1_IA5STRING_new()) ||
510 			      !ASN1_STRING_set(gen->d.ia5, (unsigned char*)value,
511 					       strlen(value)))
512 			{
513 			OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
514 			goto err;
515 			}
516 		}
517 
518 	gen->type = gen_type;
519 
520 	return gen;
521 
522 	err:
523 	if (!out)
524 		GENERAL_NAME_free(gen);
525 	return NULL;
526 	}
527 
v2i_GENERAL_NAME_ex(GENERAL_NAME * out,const X509V3_EXT_METHOD * method,X509V3_CTX * ctx,CONF_VALUE * cnf,int is_nc)528 GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out,
529 				  const X509V3_EXT_METHOD *method,
530 				  X509V3_CTX *ctx, CONF_VALUE *cnf, int is_nc)
531 	{
532 	int type;
533 
534 	char *name, *value;
535 
536 	name = cnf->name;
537 	value = cnf->value;
538 
539 	if(!value)
540 		{
541 		OPENSSL_PUT_ERROR(X509V3, X509V3_R_MISSING_VALUE);
542 		return NULL;
543 		}
544 
545 	if(!name_cmp(name, "email"))
546 		type = GEN_EMAIL;
547 	else if(!name_cmp(name, "URI"))
548 		type = GEN_URI;
549 	else if(!name_cmp(name, "DNS"))
550 		type = GEN_DNS;
551 	else if(!name_cmp(name, "RID"))
552 		type = GEN_RID;
553 	else if(!name_cmp(name, "IP"))
554 		type = GEN_IPADD;
555 	else if(!name_cmp(name, "dirName"))
556 		type = GEN_DIRNAME;
557 	else if(!name_cmp(name, "otherName"))
558 		type = GEN_OTHERNAME;
559 	else
560 		{
561 		OPENSSL_PUT_ERROR(X509V3, X509V3_R_UNSUPPORTED_OPTION);
562 		ERR_add_error_data(2, "name=", name);
563 		return NULL;
564 		}
565 
566 	return a2i_GENERAL_NAME(out, method, ctx, type, value, is_nc);
567 
568 	}
569 
do_othername(GENERAL_NAME * gen,char * value,X509V3_CTX * ctx)570 static int do_othername(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx)
571 	{
572 	char *objtmp = NULL, *p;
573 	int objlen;
574 	if (!(p = strchr(value, ';')))
575 		return 0;
576 	if (!(gen->d.otherName = OTHERNAME_new()))
577 		return 0;
578 	/* Free this up because we will overwrite it.
579 	 * no need to free type_id because it is static
580 	 */
581 	ASN1_TYPE_free(gen->d.otherName->value);
582 	if (!(gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)))
583 		return 0;
584 	objlen = p - value;
585 	objtmp = OPENSSL_malloc(objlen + 1);
586 	if (objtmp == NULL)
587 		return 0;
588 	strncpy(objtmp, value, objlen);
589 	objtmp[objlen] = 0;
590 	gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
591 	OPENSSL_free(objtmp);
592 	if (!gen->d.otherName->type_id)
593 		return 0;
594 	return 1;
595 	}
596 
do_dirname(GENERAL_NAME * gen,char * value,X509V3_CTX * ctx)597 static int do_dirname(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx)
598 	{
599 	int ret = 0;
600 	STACK_OF(CONF_VALUE) *sk = NULL;
601 	X509_NAME *nm = X509_NAME_new();
602 	if (nm == NULL)
603 		goto err;
604 	sk = X509V3_get_section(ctx, value);
605 	if (sk == NULL)
606 		{
607 		OPENSSL_PUT_ERROR(X509V3, X509V3_R_SECTION_NOT_FOUND);
608 		ERR_add_error_data(2, "section=", value);
609 		goto err;
610 		}
611 	/* FIXME: should allow other character types... */
612 	if (!X509V3_NAME_from_section(nm, sk, MBSTRING_ASC))
613 		goto err;
614 	gen->d.dirn = nm;
615 	ret = 1;
616 
617 err:
618 	if (!ret)
619 		X509_NAME_free(nm);
620 	X509V3_section_free(ctx, sk);
621 	return ret;
622 	}
623