2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 1999-2003 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 "internal/cryptlib.h"
61 #include <openssl/conf.h>
62 #include <openssl/x509v3.h>
65 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
67 STACK_OF(CONF_VALUE) *nval);
68 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
70 STACK_OF(CONF_VALUE) *nval);
71 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p);
72 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens);
73 static int do_othername(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx);
74 static int do_dirname(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx);
76 const X509V3_EXT_METHOD v3_alt[] = {
77 {NID_subject_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
80 (X509V3_EXT_I2V) i2v_GENERAL_NAMES,
81 (X509V3_EXT_V2I)v2i_subject_alt,
84 {NID_issuer_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
87 (X509V3_EXT_I2V) i2v_GENERAL_NAMES,
88 (X509V3_EXT_V2I)v2i_issuer_alt,
91 {NID_certificate_issuer, 0, ASN1_ITEM_ref(GENERAL_NAMES),
94 (X509V3_EXT_I2V) i2v_GENERAL_NAMES,
95 NULL, NULL, NULL, NULL},
98 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
100 STACK_OF(CONF_VALUE) *ret)
104 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
105 gen = sk_GENERAL_NAME_value(gens, i);
106 ret = i2v_GENERAL_NAME(method, gen, ret);
109 return sk_CONF_VALUE_new_null();
113 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,
115 STACK_OF(CONF_VALUE) *ret)
118 char oline[256], htmp[5];
122 X509V3_add_value("othername", "<unsupported>", &ret);
126 X509V3_add_value("X400Name", "<unsupported>", &ret);
130 X509V3_add_value("EdiPartyName", "<unsupported>", &ret);
134 X509V3_add_value_uchar("email", gen->d.ia5->data, &ret);
138 X509V3_add_value_uchar("DNS", gen->d.ia5->data, &ret);
142 X509V3_add_value_uchar("URI", gen->d.ia5->data, &ret);
146 X509_NAME_oneline(gen->d.dirn, oline, 256);
147 X509V3_add_value("DirName", oline, &ret);
152 if (gen->d.ip->length == 4)
153 BIO_snprintf(oline, sizeof oline,
154 "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
155 else if (gen->d.ip->length == 16) {
157 for (i = 0; i < 8; i++) {
158 BIO_snprintf(htmp, sizeof htmp, "%X", p[0] << 8 | p[1]);
165 X509V3_add_value("IP Address", "<invalid>", &ret);
168 X509V3_add_value("IP Address", oline, &ret);
172 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
173 X509V3_add_value("Registered ID", oline, &ret);
179 int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
185 BIO_printf(out, "othername:<unsupported>");
189 BIO_printf(out, "X400Name:<unsupported>");
193 /* Maybe fix this: it is supported now */
194 BIO_printf(out, "EdiPartyName:<unsupported>");
198 BIO_printf(out, "email:%s", gen->d.ia5->data);
202 BIO_printf(out, "DNS:%s", gen->d.ia5->data);
206 BIO_printf(out, "URI:%s", gen->d.ia5->data);
210 BIO_printf(out, "DirName: ");
211 X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
216 if (gen->d.ip->length == 4)
217 BIO_printf(out, "IP Address:%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
218 else if (gen->d.ip->length == 16) {
219 BIO_printf(out, "IP Address");
220 for (i = 0; i < 8; i++) {
221 BIO_printf(out, ":%X", p[0] << 8 | p[1]);
226 BIO_printf(out, "IP Address:<invalid>");
232 BIO_printf(out, "Registered ID");
233 i2a_ASN1_OBJECT(out, gen->d.rid);
239 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
241 STACK_OF(CONF_VALUE) *nval)
243 GENERAL_NAMES *gens = NULL;
247 if ((gens = sk_GENERAL_NAME_new_null()) == NULL) {
248 X509V3err(X509V3_F_V2I_ISSUER_ALT, ERR_R_MALLOC_FAILURE);
251 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
252 cnf = sk_CONF_VALUE_value(nval, i);
253 if (!name_cmp(cnf->name, "issuer")
254 && cnf->value && strcmp(cnf->value, "copy") == 0) {
255 if (!copy_issuer(ctx, gens))
259 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
261 sk_GENERAL_NAME_push(gens, gen);
266 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
270 /* Append subject altname of issuer to issuer alt name of subject */
272 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
279 if (ctx && (ctx->flags == CTX_TEST))
281 if (!ctx || !ctx->issuer_cert) {
282 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_NO_ISSUER_DETAILS);
285 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
288 if ((ext = X509_get_ext(ctx->issuer_cert, i)) == NULL
289 || (ialt = X509V3_EXT_d2i(ext)) == NULL) {
290 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_ISSUER_DECODE_ERROR);
294 for (i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
295 gen = sk_GENERAL_NAME_value(ialt, i);
296 if (!sk_GENERAL_NAME_push(gens, gen)) {
297 X509V3err(X509V3_F_COPY_ISSUER, ERR_R_MALLOC_FAILURE);
301 sk_GENERAL_NAME_free(ialt);
310 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
312 STACK_OF(CONF_VALUE) *nval)
314 GENERAL_NAMES *gens = NULL;
318 if ((gens = sk_GENERAL_NAME_new_null()) == NULL) {
319 X509V3err(X509V3_F_V2I_SUBJECT_ALT, ERR_R_MALLOC_FAILURE);
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")
325 && cnf->value && strcmp(cnf->value, "copy") == 0) {
326 if (!copy_email(ctx, gens, 0))
328 } else if (!name_cmp(cnf->name, "email")
329 && cnf->value && strcmp(cnf->value, "move") == 0) {
330 if (!copy_email(ctx, gens, 1))
334 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
336 sk_GENERAL_NAME_push(gens, gen);
341 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
346 * Copy any email addresses in a certificate or request to GENERAL_NAMES
349 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
352 ASN1_IA5STRING *email = NULL;
354 GENERAL_NAME *gen = NULL;
356 if (ctx != NULL && ctx->flags == CTX_TEST)
358 if (!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
359 X509V3err(X509V3_F_COPY_EMAIL, X509V3_R_NO_SUBJECT_DETAILS);
362 /* Find the subject name */
363 if (ctx->subject_cert)
364 nm = X509_get_subject_name(ctx->subject_cert);
366 nm = X509_REQ_get_subject_name(ctx->subject_req);
368 /* Now add any email address(es) to STACK */
370 while ((i = X509_NAME_get_index_by_NID(nm,
371 NID_pkcs9_emailAddress, i)) >= 0) {
372 ne = X509_NAME_get_entry(nm, i);
373 email = ASN1_STRING_dup(X509_NAME_ENTRY_get_data(ne));
375 X509_NAME_delete_entry(nm, i);
376 X509_NAME_ENTRY_free(ne);
379 if (email == NULL || (gen = GENERAL_NAME_new()) == NULL) {
380 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
385 gen->type = GEN_EMAIL;
386 if (!sk_GENERAL_NAME_push(gens, gen)) {
387 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
396 GENERAL_NAME_free(gen);
397 ASN1_IA5STRING_free(email);
402 GENERAL_NAMES *v2i_GENERAL_NAMES(const X509V3_EXT_METHOD *method,
403 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
406 GENERAL_NAMES *gens = NULL;
410 if ((gens = sk_GENERAL_NAME_new_null()) == NULL) {
411 X509V3err(X509V3_F_V2I_GENERAL_NAMES, ERR_R_MALLOC_FAILURE);
414 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
415 cnf = sk_CONF_VALUE_value(nval, i);
416 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
418 sk_GENERAL_NAME_push(gens, gen);
422 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
426 GENERAL_NAME *v2i_GENERAL_NAME(const X509V3_EXT_METHOD *method,
427 X509V3_CTX *ctx, CONF_VALUE *cnf)
429 return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0);
432 GENERAL_NAME *a2i_GENERAL_NAME(GENERAL_NAME *out,
433 const X509V3_EXT_METHOD *method,
434 X509V3_CTX *ctx, int gen_type, char *value,
438 GENERAL_NAME *gen = NULL;
441 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_MISSING_VALUE);
448 gen = GENERAL_NAME_new();
450 X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE);
465 if ((obj = OBJ_txt2obj(value, 0)) == NULL) {
466 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_OBJECT);
467 ERR_add_error_data(2, "value=", value);
476 gen->d.ip = a2i_IPADDRESS_NC(value);
478 gen->d.ip = a2i_IPADDRESS(value);
479 if (gen->d.ip == NULL) {
480 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_IP_ADDRESS);
481 ERR_add_error_data(2, "value=", value);
487 if (!do_dirname(gen, value, ctx)) {
488 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_DIRNAME_ERROR);
494 if (!do_othername(gen, value, ctx)) {
495 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_OTHERNAME_ERROR);
500 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_UNSUPPORTED_TYPE);
505 if ((gen->d.ia5 = ASN1_IA5STRING_new()) == NULL ||
506 !ASN1_STRING_set(gen->d.ia5, (unsigned char *)value,
508 X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE);
513 gen->type = gen_type;
519 GENERAL_NAME_free(gen);
523 GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out,
524 const X509V3_EXT_METHOD *method,
525 X509V3_CTX *ctx, CONF_VALUE *cnf, int is_nc)
535 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_MISSING_VALUE);
539 if (!name_cmp(name, "email"))
541 else if (!name_cmp(name, "URI"))
543 else if (!name_cmp(name, "DNS"))
545 else if (!name_cmp(name, "RID"))
547 else if (!name_cmp(name, "IP"))
549 else if (!name_cmp(name, "dirName"))
551 else if (!name_cmp(name, "otherName"))
552 type = GEN_OTHERNAME;
554 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_UNSUPPORTED_OPTION);
555 ERR_add_error_data(2, "name=", name);
559 return a2i_GENERAL_NAME(out, method, ctx, type, value, is_nc);
563 static int do_othername(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx)
565 char *objtmp = NULL, *p;
568 if ((p = strchr(value, ';')) == NULL)
570 if ((gen->d.otherName = OTHERNAME_new()) == NULL)
573 * Free this up because we will overwrite it. no need to free type_id
574 * because it is static
576 ASN1_TYPE_free(gen->d.otherName->value);
577 if ((gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)) == NULL)
580 objtmp = OPENSSL_strndup(value, objlen);
583 gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
584 OPENSSL_free(objtmp);
585 if (!gen->d.otherName->type_id)
590 static int do_dirname(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx)
593 STACK_OF(CONF_VALUE) *sk = NULL;
596 if ((nm = X509_NAME_new()) == NULL)
598 sk = X509V3_get_section(ctx, value);
600 X509V3err(X509V3_F_DO_DIRNAME, X509V3_R_SECTION_NOT_FOUND);
601 ERR_add_error_data(2, "section=", value);
604 /* FIXME: should allow other character types... */
605 ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC);
613 X509V3_section_free(ctx, sk);