3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
6 /* ====================================================================
7 * Copyright (c) 1999-2003 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
62 #include <openssl/conf.h>
63 #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;
246 if (!(gens = sk_GENERAL_NAME_new_null())) {
247 X509V3err(X509V3_F_V2I_ISSUER_ALT, ERR_R_MALLOC_FAILURE);
250 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
251 cnf = sk_CONF_VALUE_value(nval, i);
252 if (!name_cmp(cnf->name, "issuer") && cnf->value &&
253 !strcmp(cnf->value, "copy")) {
254 if (!copy_issuer(ctx, gens))
258 if (!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
260 sk_GENERAL_NAME_push(gens, gen);
265 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
269 /* Append subject altname of issuer to issuer alt name of subject */
271 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
277 if (ctx && (ctx->flags == CTX_TEST))
279 if (!ctx || !ctx->issuer_cert) {
280 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_NO_ISSUER_DETAILS);
283 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
286 if (!(ext = X509_get_ext(ctx->issuer_cert, i)) ||
287 !(ialt = X509V3_EXT_d2i(ext))) {
288 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_ISSUER_DECODE_ERROR);
292 for (i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
293 gen = sk_GENERAL_NAME_value(ialt, i);
294 if (!sk_GENERAL_NAME_push(gens, gen)) {
295 X509V3err(X509V3_F_COPY_ISSUER, ERR_R_MALLOC_FAILURE);
299 sk_GENERAL_NAME_free(ialt);
308 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
310 STACK_OF(CONF_VALUE) *nval)
312 GENERAL_NAMES *gens = NULL;
315 if (!(gens = sk_GENERAL_NAME_new_null())) {
316 X509V3err(X509V3_F_V2I_SUBJECT_ALT, ERR_R_MALLOC_FAILURE);
319 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
320 cnf = sk_CONF_VALUE_value(nval, i);
321 if (!name_cmp(cnf->name, "email") && cnf->value &&
322 !strcmp(cnf->value, "copy")) {
323 if (!copy_email(ctx, gens, 0))
325 } else if (!name_cmp(cnf->name, "email") && cnf->value &&
326 !strcmp(cnf->value, "move")) {
327 if (!copy_email(ctx, gens, 1))
331 if (!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
333 sk_GENERAL_NAME_push(gens, gen);
338 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
343 * Copy any email addresses in a certificate or request to GENERAL_NAMES
346 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
349 ASN1_IA5STRING *email = NULL;
351 GENERAL_NAME *gen = NULL;
353 if (ctx != NULL && ctx->flags == CTX_TEST)
355 if (!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
356 X509V3err(X509V3_F_COPY_EMAIL, X509V3_R_NO_SUBJECT_DETAILS);
359 /* Find the subject name */
360 if (ctx->subject_cert)
361 nm = X509_get_subject_name(ctx->subject_cert);
363 nm = X509_REQ_get_subject_name(ctx->subject_req);
365 /* Now add any email address(es) to STACK */
367 while ((i = X509_NAME_get_index_by_NID(nm,
368 NID_pkcs9_emailAddress, i)) >= 0) {
369 ne = X509_NAME_get_entry(nm, i);
370 email = M_ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne));
372 X509_NAME_delete_entry(nm, i);
373 X509_NAME_ENTRY_free(ne);
376 if (!email || !(gen = GENERAL_NAME_new())) {
377 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
382 gen->type = GEN_EMAIL;
383 if (!sk_GENERAL_NAME_push(gens, gen)) {
384 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
393 GENERAL_NAME_free(gen);
394 M_ASN1_IA5STRING_free(email);
399 GENERAL_NAMES *v2i_GENERAL_NAMES(const X509V3_EXT_METHOD *method,
400 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
403 GENERAL_NAMES *gens = NULL;
406 if (!(gens = sk_GENERAL_NAME_new_null())) {
407 X509V3err(X509V3_F_V2I_GENERAL_NAMES, ERR_R_MALLOC_FAILURE);
410 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
411 cnf = sk_CONF_VALUE_value(nval, i);
412 if (!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
414 sk_GENERAL_NAME_push(gens, gen);
418 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
422 GENERAL_NAME *v2i_GENERAL_NAME(const X509V3_EXT_METHOD *method,
423 X509V3_CTX *ctx, CONF_VALUE *cnf)
425 return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0);
428 GENERAL_NAME *a2i_GENERAL_NAME(GENERAL_NAME *out,
429 const X509V3_EXT_METHOD *method,
430 X509V3_CTX *ctx, int gen_type, char *value,
434 GENERAL_NAME *gen = NULL;
437 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_MISSING_VALUE);
444 gen = GENERAL_NAME_new();
446 X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE);
461 if (!(obj = OBJ_txt2obj(value, 0))) {
462 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_OBJECT);
463 ERR_add_error_data(2, "value=", value);
472 gen->d.ip = a2i_IPADDRESS_NC(value);
474 gen->d.ip = a2i_IPADDRESS(value);
475 if (gen->d.ip == NULL) {
476 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_IP_ADDRESS);
477 ERR_add_error_data(2, "value=", value);
483 if (!do_dirname(gen, value, ctx)) {
484 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_DIRNAME_ERROR);
490 if (!do_othername(gen, value, ctx)) {
491 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_OTHERNAME_ERROR);
496 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_UNSUPPORTED_TYPE);
501 if (!(gen->d.ia5 = M_ASN1_IA5STRING_new()) ||
502 !ASN1_STRING_set(gen->d.ia5, (unsigned char *)value,
504 X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE);
509 gen->type = gen_type;
515 GENERAL_NAME_free(gen);
519 GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out,
520 const X509V3_EXT_METHOD *method,
521 X509V3_CTX *ctx, CONF_VALUE *cnf, int is_nc)
531 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_MISSING_VALUE);
535 if (!name_cmp(name, "email"))
537 else if (!name_cmp(name, "URI"))
539 else if (!name_cmp(name, "DNS"))
541 else if (!name_cmp(name, "RID"))
543 else if (!name_cmp(name, "IP"))
545 else if (!name_cmp(name, "dirName"))
547 else if (!name_cmp(name, "otherName"))
548 type = GEN_OTHERNAME;
550 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_UNSUPPORTED_OPTION);
551 ERR_add_error_data(2, "name=", name);
555 return a2i_GENERAL_NAME(out, method, ctx, type, value, is_nc);
559 static int do_othername(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx)
561 char *objtmp = NULL, *p;
563 if (!(p = strchr(value, ';')))
565 if (!(gen->d.otherName = OTHERNAME_new()))
568 * Free this up because we will overwrite it. no need to free type_id
569 * because it is static
571 ASN1_TYPE_free(gen->d.otherName->value);
572 if (!(gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)))
575 objtmp = OPENSSL_malloc(objlen + 1);
578 strncpy(objtmp, value, objlen);
580 gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
581 OPENSSL_free(objtmp);
582 if (!gen->d.otherName->type_id)
587 static int do_dirname(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx)
590 STACK_OF(CONF_VALUE) *sk = NULL;
591 X509_NAME *nm = NULL;
592 if (!(nm = X509_NAME_new()))
594 sk = X509V3_get_section(ctx, value);
596 X509V3err(X509V3_F_DO_DIRNAME, X509V3_R_SECTION_NOT_FOUND);
597 ERR_add_error_data(2, "section=", value);
600 /* FIXME: should allow other character types... */
601 ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC);
609 X509V3_section_free(ctx, sk);