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, &GENERAL_NAMES_it,
72 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
73 (X509V3_EXT_V2I)v2i_subject_alt,
76 { NID_issuer_alt_name, 0, &GENERAL_NAMES_it,
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)
159 BIO_printf(out, "othername:<unsupported>");
163 BIO_printf(out, "X400Name:<unsupported>");
167 /* Maybe fix this: it is supported now */
168 BIO_printf(out, "EdiPartyName:<unsupported>");
172 BIO_printf(out, "email:%s",gen->d.ia5->data);
176 BIO_printf(out, "DNS:%s",gen->d.ia5->data);
180 BIO_printf(out, "URI:%s",gen->d.ia5->data);
184 X509_NAME_oneline(gen->d.dirn, oline, 256);
185 BIO_printf(out, "DirName:%s",oline);
190 /* BUG: doesn't support IPV6 */
191 if(gen->d.ip->length != 4) {
192 BIO_printf(out,"IP Address:<invalid>");
195 BIO_printf(out, "IP Address:%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
199 BIO_printf(out, "Registered ID");
200 i2a_ASN1_OBJECT(out, gen->d.rid);
206 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
207 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
209 GENERAL_NAMES *gens = NULL;
212 if(!(gens = sk_GENERAL_NAME_new_null())) {
213 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
216 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
217 cnf = sk_CONF_VALUE_value(nval, i);
218 if(!name_cmp(cnf->name, "issuer") && cnf->value &&
219 !strcmp(cnf->value, "copy")) {
220 if(!copy_issuer(ctx, gens)) goto err;
223 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
225 sk_GENERAL_NAME_push(gens, gen);
230 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
234 /* Append subject altname of issuer to issuer alt name of subject */
236 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
242 if(ctx && (ctx->flags == CTX_TEST)) return 1;
243 if(!ctx || !ctx->issuer_cert) {
244 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_NO_ISSUER_DETAILS);
247 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
249 if(!(ext = X509_get_ext(ctx->issuer_cert, i)) ||
250 !(ialt = X509V3_EXT_d2i(ext)) ) {
251 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_ISSUER_DECODE_ERROR);
255 for(i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
256 gen = sk_GENERAL_NAME_value(ialt, i);
257 if(!sk_GENERAL_NAME_push(gens, gen)) {
258 X509V3err(X509V3_F_COPY_ISSUER,ERR_R_MALLOC_FAILURE);
262 sk_GENERAL_NAME_free(ialt);
271 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
272 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
274 GENERAL_NAMES *gens = NULL;
277 if(!(gens = sk_GENERAL_NAME_new_null())) {
278 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
281 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
282 cnf = sk_CONF_VALUE_value(nval, i);
283 if(!name_cmp(cnf->name, "email") && cnf->value &&
284 !strcmp(cnf->value, "copy")) {
285 if(!copy_email(ctx, gens)) goto err;
288 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
290 sk_GENERAL_NAME_push(gens, gen);
295 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
299 /* Copy any email addresses in a certificate or request to
303 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens)
306 ASN1_IA5STRING *email = NULL;
308 GENERAL_NAME *gen = NULL;
310 if(ctx->flags == CTX_TEST) return 1;
311 if(!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
312 X509V3err(X509V3_F_COPY_EMAIL,X509V3_R_NO_SUBJECT_DETAILS);
315 /* Find the subject name */
316 if(ctx->subject_cert) nm = X509_get_subject_name(ctx->subject_cert);
317 else nm = X509_REQ_get_subject_name(ctx->subject_req);
319 /* Now add any email address(es) to STACK */
321 while((i = X509_NAME_get_index_by_NID(nm,
322 NID_pkcs9_emailAddress, i)) > 0) {
323 ne = X509_NAME_get_entry(nm, i);
324 email = M_ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne));
325 if(!email || !(gen = GENERAL_NAME_new())) {
326 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
331 gen->type = GEN_EMAIL;
332 if(!sk_GENERAL_NAME_push(gens, gen)) {
333 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
343 GENERAL_NAME_free(gen);
344 M_ASN1_IA5STRING_free(email);
349 GENERAL_NAMES *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method,
350 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
353 GENERAL_NAMES *gens = NULL;
356 if(!(gens = sk_GENERAL_NAME_new_null())) {
357 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
360 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
361 cnf = sk_CONF_VALUE_value(nval, i);
362 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
363 sk_GENERAL_NAME_push(gens, gen);
367 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
371 GENERAL_NAME *v2i_GENERAL_NAME(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
376 GENERAL_NAME *gen = NULL;
384 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_MISSING_VALUE);
388 if(!(gen = GENERAL_NAME_new())) {
389 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
393 if(!name_cmp(name, "email")) {
396 } else if(!name_cmp(name, "URI")) {
399 } else if(!name_cmp(name, "DNS")) {
402 } else if(!name_cmp(name, "RID")) {
404 if(!(obj = OBJ_txt2obj(value,0))) {
405 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_OBJECT);
406 ERR_add_error_data(2, "value=", value);
411 } else if(!name_cmp(name, "IP")) {
414 if((sscanf(value, "%d.%d.%d.%d",&i1,&i2,&i3,&i4) != 4) ||
415 (i1 < 0) || (i1 > 255) || (i2 < 0) || (i2 > 255) ||
416 (i3 < 0) || (i3 > 255) || (i4 < 0) || (i4 > 255) ) {
417 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_IP_ADDRESS);
418 ERR_add_error_data(2, "value=", value);
421 ip[0] = i1; ip[1] = i2 ; ip[2] = i3 ; ip[3] = i4;
422 if(!(gen->d.ip = M_ASN1_OCTET_STRING_new()) ||
423 !ASN1_STRING_set(gen->d.ip, ip, 4)) {
424 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
429 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_UNSUPPORTED_OPTION);
430 ERR_add_error_data(2, "name=", name);
435 if(!(gen->d.ia5 = M_ASN1_IA5STRING_new()) ||
436 !ASN1_STRING_set(gen->d.ia5, (unsigned char*)value,
438 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
448 GENERAL_NAME_free(gen);