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,
92 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
94 STACK_OF(CONF_VALUE) *ret)
98 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
99 gen = sk_GENERAL_NAME_value(gens, i);
100 ret = i2v_GENERAL_NAME(method, gen, ret);
103 return sk_CONF_VALUE_new_null();
107 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,
109 STACK_OF(CONF_VALUE) *ret)
112 char oline[256], htmp[5];
116 X509V3_add_value("othername", "<unsupported>", &ret);
120 X509V3_add_value("X400Name", "<unsupported>", &ret);
124 X509V3_add_value("EdiPartyName", "<unsupported>", &ret);
128 X509V3_add_value_uchar("email", gen->d.ia5->data, &ret);
132 X509V3_add_value_uchar("DNS", gen->d.ia5->data, &ret);
136 X509V3_add_value_uchar("URI", gen->d.ia5->data, &ret);
140 X509_NAME_oneline(gen->d.dirn, oline, 256);
141 X509V3_add_value("DirName", oline, &ret);
146 if (gen->d.ip->length == 4)
147 BIO_snprintf(oline, sizeof oline,
148 "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
149 else if (gen->d.ip->length == 16) {
151 for (i = 0; i < 8; i++) {
152 BIO_snprintf(htmp, sizeof htmp, "%X", p[0] << 8 | p[1]);
159 X509V3_add_value("IP Address", "<invalid>", &ret);
162 X509V3_add_value("IP Address", oline, &ret);
166 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
167 X509V3_add_value("Registered ID", oline, &ret);
173 int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
179 BIO_printf(out, "othername:<unsupported>");
183 BIO_printf(out, "X400Name:<unsupported>");
187 /* Maybe fix this: it is supported now */
188 BIO_printf(out, "EdiPartyName:<unsupported>");
192 BIO_printf(out, "email:%s", gen->d.ia5->data);
196 BIO_printf(out, "DNS:%s", gen->d.ia5->data);
200 BIO_printf(out, "URI:%s", gen->d.ia5->data);
204 BIO_printf(out, "DirName: ");
205 X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
210 if (gen->d.ip->length == 4)
211 BIO_printf(out, "IP Address:%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
212 else if (gen->d.ip->length == 16) {
213 BIO_printf(out, "IP Address");
214 for (i = 0; i < 8; i++) {
215 BIO_printf(out, ":%X", p[0] << 8 | p[1]);
220 BIO_printf(out, "IP Address:<invalid>");
226 BIO_printf(out, "Registered ID");
227 i2a_ASN1_OBJECT(out, gen->d.rid);
233 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
235 STACK_OF(CONF_VALUE) *nval)
237 GENERAL_NAMES *gens = NULL;
240 if (!(gens = sk_GENERAL_NAME_new_null())) {
241 X509V3err(X509V3_F_V2I_ISSUER_ALT, ERR_R_MALLOC_FAILURE);
244 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
245 cnf = sk_CONF_VALUE_value(nval, i);
246 if (!name_cmp(cnf->name, "issuer") && cnf->value &&
247 !strcmp(cnf->value, "copy")) {
248 if (!copy_issuer(ctx, gens))
252 if (!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
254 sk_GENERAL_NAME_push(gens, gen);
259 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
263 /* Append subject altname of issuer to issuer alt name of subject */
265 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
271 if (ctx && (ctx->flags == CTX_TEST))
273 if (!ctx || !ctx->issuer_cert) {
274 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_NO_ISSUER_DETAILS);
277 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
280 if (!(ext = X509_get_ext(ctx->issuer_cert, i)) ||
281 !(ialt = X509V3_EXT_d2i(ext))) {
282 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_ISSUER_DECODE_ERROR);
286 for (i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
287 gen = sk_GENERAL_NAME_value(ialt, i);
288 if (!sk_GENERAL_NAME_push(gens, gen)) {
289 X509V3err(X509V3_F_COPY_ISSUER, ERR_R_MALLOC_FAILURE);
293 sk_GENERAL_NAME_free(ialt);
302 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
304 STACK_OF(CONF_VALUE) *nval)
306 GENERAL_NAMES *gens = NULL;
309 if (!(gens = sk_GENERAL_NAME_new_null())) {
310 X509V3err(X509V3_F_V2I_SUBJECT_ALT, ERR_R_MALLOC_FAILURE);
313 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
314 cnf = sk_CONF_VALUE_value(nval, i);
315 if (!name_cmp(cnf->name, "email") && cnf->value &&
316 !strcmp(cnf->value, "copy")) {
317 if (!copy_email(ctx, gens, 0))
319 } else if (!name_cmp(cnf->name, "email") && cnf->value &&
320 !strcmp(cnf->value, "move")) {
321 if (!copy_email(ctx, gens, 1))
325 if (!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
327 sk_GENERAL_NAME_push(gens, gen);
332 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
337 * Copy any email addresses in a certificate or request to GENERAL_NAMES
340 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
343 ASN1_IA5STRING *email = NULL;
345 GENERAL_NAME *gen = NULL;
347 if (ctx != NULL && ctx->flags == CTX_TEST)
349 if (!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
350 X509V3err(X509V3_F_COPY_EMAIL, X509V3_R_NO_SUBJECT_DETAILS);
353 /* Find the subject name */
354 if (ctx->subject_cert)
355 nm = X509_get_subject_name(ctx->subject_cert);
357 nm = X509_REQ_get_subject_name(ctx->subject_req);
359 /* Now add any email address(es) to STACK */
361 while ((i = X509_NAME_get_index_by_NID(nm,
362 NID_pkcs9_emailAddress, i)) >= 0) {
363 ne = X509_NAME_get_entry(nm, i);
364 email = M_ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne));
366 X509_NAME_delete_entry(nm, i);
367 X509_NAME_ENTRY_free(ne);
370 if (!email || !(gen = GENERAL_NAME_new())) {
371 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
376 gen->type = GEN_EMAIL;
377 if (!sk_GENERAL_NAME_push(gens, gen)) {
378 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
387 GENERAL_NAME_free(gen);
388 M_ASN1_IA5STRING_free(email);
393 GENERAL_NAMES *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method,
394 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
397 GENERAL_NAMES *gens = NULL;
400 if (!(gens = sk_GENERAL_NAME_new_null())) {
401 X509V3err(X509V3_F_V2I_GENERAL_NAMES, ERR_R_MALLOC_FAILURE);
404 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
405 cnf = sk_CONF_VALUE_value(nval, i);
406 if (!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
408 sk_GENERAL_NAME_push(gens, gen);
412 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
416 GENERAL_NAME *v2i_GENERAL_NAME(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
419 return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0);
422 GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out,
423 X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
424 CONF_VALUE *cnf, int is_nc)
428 GENERAL_NAME *gen = NULL;
436 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_MISSING_VALUE);
443 gen = GENERAL_NAME_new();
445 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, ERR_R_MALLOC_FAILURE);
450 if (!name_cmp(name, "email")) {
453 } else if (!name_cmp(name, "URI")) {
456 } else if (!name_cmp(name, "DNS")) {
459 } else if (!name_cmp(name, "RID")) {
461 if (!(obj = OBJ_txt2obj(value, 0))) {
462 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_BAD_OBJECT);
463 ERR_add_error_data(2, "value=", value);
468 } else if (!name_cmp(name, "IP")) {
470 gen->d.ip = a2i_IPADDRESS_NC(value);
472 gen->d.ip = a2i_IPADDRESS(value);
473 if (gen->d.ip == NULL) {
474 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_BAD_IP_ADDRESS);
475 ERR_add_error_data(2, "value=", value);
479 } else if (!name_cmp(name, "dirName")) {
481 if (!do_dirname(gen, value, ctx)) {
482 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_DIRNAME_ERROR);
485 } else if (!name_cmp(name, "otherName")) {
486 if (!do_othername(gen, value, ctx)) {
487 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_OTHERNAME_ERROR);
490 type = GEN_OTHERNAME;
492 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_UNSUPPORTED_OPTION);
493 ERR_add_error_data(2, "name=", name);
498 if (!(gen->d.ia5 = M_ASN1_IA5STRING_new()) ||
499 !ASN1_STRING_set(gen->d.ia5, (unsigned char *)value,
501 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, ERR_R_MALLOC_FAILURE);
512 GENERAL_NAME_free(gen);
516 static int do_othername(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx)
518 char *objtmp = NULL, *p;
520 if (!(p = strchr(value, ';')))
522 if (!(gen->d.otherName = OTHERNAME_new()))
525 * Free this up because we will overwrite it. no need to free type_id
526 * because it is static
528 ASN1_TYPE_free(gen->d.otherName->value);
529 if (!(gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)))
532 objtmp = OPENSSL_malloc(objlen + 1);
533 strncpy(objtmp, value, objlen);
535 gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
536 OPENSSL_free(objtmp);
537 if (!gen->d.otherName->type_id)
542 static int do_dirname(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx)
545 STACK_OF(CONF_VALUE) *sk;
547 if (!(nm = X509_NAME_new()))
549 sk = X509V3_get_section(ctx, value);
551 X509V3err(X509V3_F_DO_DIRNAME, X509V3_R_SECTION_NOT_FOUND);
552 ERR_add_error_data(2, "section=", value);
556 /* FIXME: should allow other character types... */
557 ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC);
562 X509V3_section_free(ctx, sk);