2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 1999 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).
61 #include <openssl/conf.h>
62 #include <openssl/x509v3.h>
64 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
65 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
66 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens);
67 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens);
68 X509V3_EXT_METHOD v3_alt[] = {
69 { NID_subject_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
72 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
73 (X509V3_EXT_V2I)v2i_subject_alt,
76 { NID_issuer_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
79 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
80 (X509V3_EXT_V2I)v2i_issuer_alt,
84 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
85 GENERAL_NAMES *gens, STACK_OF(CONF_VALUE) *ret)
89 for(i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
90 gen = sk_GENERAL_NAME_value(gens, i);
91 ret = i2v_GENERAL_NAME(method, gen, ret);
93 if(!ret) return sk_CONF_VALUE_new_null();
97 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,
98 GENERAL_NAME *gen, STACK_OF(CONF_VALUE) *ret)
105 X509V3_add_value("othername","<unsupported>", &ret);
109 X509V3_add_value("X400Name","<unsupported>", &ret);
113 X509V3_add_value("EdiPartyName","<unsupported>", &ret);
117 X509V3_add_value_uchar("email",gen->d.ia5->data, &ret);
121 X509V3_add_value_uchar("DNS",gen->d.ia5->data, &ret);
125 X509V3_add_value_uchar("URI",gen->d.ia5->data, &ret);
129 X509_NAME_oneline(gen->d.dirn, oline, 256);
130 X509V3_add_value("DirName",oline, &ret);
135 /* BUG: doesn't support IPV6 */
136 if(gen->d.ip->length != 4) {
137 X509V3_add_value("IP Address","<invalid>", &ret);
140 sprintf(oline, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
141 X509V3_add_value("IP Address",oline, &ret);
145 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
146 X509V3_add_value("Registered ID",oline, &ret);
152 int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
158 BIO_printf(out, "othername:<unsupported>");
162 BIO_printf(out, "X400Name:<unsupported>");
166 /* Maybe fix this: it is supported now */
167 BIO_printf(out, "EdiPartyName:<unsupported>");
171 BIO_printf(out, "email:%s",gen->d.ia5->data);
175 BIO_printf(out, "DNS:%s",gen->d.ia5->data);
179 BIO_printf(out, "URI:%s",gen->d.ia5->data);
183 BIO_printf(out, "DirName: ");
184 X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
189 /* BUG: doesn't support IPV6 */
190 if(gen->d.ip->length != 4) {
191 BIO_printf(out,"IP Address:<invalid>");
194 BIO_printf(out, "IP Address:%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
198 BIO_printf(out, "Registered ID");
199 i2a_ASN1_OBJECT(out, gen->d.rid);
205 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
206 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
208 GENERAL_NAMES *gens = NULL;
211 if(!(gens = sk_GENERAL_NAME_new_null())) {
212 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
215 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
216 cnf = sk_CONF_VALUE_value(nval, i);
217 if(!name_cmp(cnf->name, "issuer") && cnf->value &&
218 !strcmp(cnf->value, "copy")) {
219 if(!copy_issuer(ctx, gens)) goto err;
222 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
224 sk_GENERAL_NAME_push(gens, gen);
229 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
233 /* Append subject altname of issuer to issuer alt name of subject */
235 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
241 if(ctx && (ctx->flags == CTX_TEST)) return 1;
242 if(!ctx || !ctx->issuer_cert) {
243 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_NO_ISSUER_DETAILS);
246 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
248 if(!(ext = X509_get_ext(ctx->issuer_cert, i)) ||
249 !(ialt = X509V3_EXT_d2i(ext)) ) {
250 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_ISSUER_DECODE_ERROR);
254 for(i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
255 gen = sk_GENERAL_NAME_value(ialt, i);
256 if(!sk_GENERAL_NAME_push(gens, gen)) {
257 X509V3err(X509V3_F_COPY_ISSUER,ERR_R_MALLOC_FAILURE);
261 sk_GENERAL_NAME_free(ialt);
270 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
271 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
273 GENERAL_NAMES *gens = NULL;
276 if(!(gens = sk_GENERAL_NAME_new_null())) {
277 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
280 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
281 cnf = sk_CONF_VALUE_value(nval, i);
282 if(!name_cmp(cnf->name, "email") && cnf->value &&
283 !strcmp(cnf->value, "copy")) {
284 if(!copy_email(ctx, gens)) goto err;
287 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
289 sk_GENERAL_NAME_push(gens, gen);
294 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
298 /* Copy any email addresses in a certificate or request to
302 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens)
305 ASN1_IA5STRING *email = NULL;
307 GENERAL_NAME *gen = NULL;
309 if(ctx->flags == CTX_TEST) return 1;
310 if(!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
311 X509V3err(X509V3_F_COPY_EMAIL,X509V3_R_NO_SUBJECT_DETAILS);
314 /* Find the subject name */
315 if(ctx->subject_cert) nm = X509_get_subject_name(ctx->subject_cert);
316 else nm = X509_REQ_get_subject_name(ctx->subject_req);
318 /* Now add any email address(es) to STACK */
320 while((i = X509_NAME_get_index_by_NID(nm,
321 NID_pkcs9_emailAddress, i)) >= 0) {
322 ne = X509_NAME_get_entry(nm, i);
323 email = M_ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne));
324 if(!email || !(gen = GENERAL_NAME_new())) {
325 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
330 gen->type = GEN_EMAIL;
331 if(!sk_GENERAL_NAME_push(gens, gen)) {
332 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
342 GENERAL_NAME_free(gen);
343 M_ASN1_IA5STRING_free(email);
348 GENERAL_NAMES *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method,
349 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
352 GENERAL_NAMES *gens = NULL;
355 if(!(gens = sk_GENERAL_NAME_new_null())) {
356 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
359 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
360 cnf = sk_CONF_VALUE_value(nval, i);
361 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
362 sk_GENERAL_NAME_push(gens, gen);
366 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
370 GENERAL_NAME *v2i_GENERAL_NAME(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
375 GENERAL_NAME *gen = NULL;
383 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_MISSING_VALUE);
387 if(!(gen = GENERAL_NAME_new())) {
388 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
392 if(!name_cmp(name, "email")) {
395 } else if(!name_cmp(name, "URI")) {
398 } else if(!name_cmp(name, "DNS")) {
401 } else if(!name_cmp(name, "RID")) {
403 if(!(obj = OBJ_txt2obj(value,0))) {
404 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_OBJECT);
405 ERR_add_error_data(2, "value=", value);
410 } else if(!name_cmp(name, "IP")) {
413 if((sscanf(value, "%d.%d.%d.%d",&i1,&i2,&i3,&i4) != 4) ||
414 (i1 < 0) || (i1 > 255) || (i2 < 0) || (i2 > 255) ||
415 (i3 < 0) || (i3 > 255) || (i4 < 0) || (i4 > 255) ) {
416 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_IP_ADDRESS);
417 ERR_add_error_data(2, "value=", value);
420 ip[0] = i1; ip[1] = i2 ; ip[2] = i3 ; ip[3] = i4;
421 if(!(gen->d.ip = M_ASN1_OCTET_STRING_new()) ||
422 !ASN1_STRING_set(gen->d.ip, ip, 4)) {
423 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
428 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_UNSUPPORTED_OPTION);
429 ERR_add_error_data(2, "name=", name);
434 if(!(gen->d.ia5 = M_ASN1_IA5STRING_new()) ||
435 !ASN1_STRING_set(gen->d.ia5, (unsigned char*)value,
437 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
447 GENERAL_NAME_free(gen);