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).
65 static STACK *v2i_subject_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK *nval);
66 static STACK *v2i_issuer_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK *nval);
67 static int copy_email(X509V3_CTX *ctx, STACK *gens);
68 static int copy_issuer(X509V3_CTX *ctx, STACK *gens);
70 static STACK *v2i_issuer_alt();
71 static STACK *v2i_subject_alt();
72 static int copy_email();
73 static int copy_issuer();
76 X509V3_EXT_METHOD v3_alt[] = {
77 { NID_subject_alt_name, 0,
78 (X509V3_EXT_NEW)GENERAL_NAMES_new,
80 (X509V3_EXT_D2I)d2i_GENERAL_NAMES,
83 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
84 (X509V3_EXT_V2I)v2i_subject_alt,
86 { NID_issuer_alt_name, 0,
87 (X509V3_EXT_NEW)GENERAL_NAMES_new,
89 (X509V3_EXT_D2I)d2i_GENERAL_NAMES,
92 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
93 (X509V3_EXT_V2I)v2i_issuer_alt,
98 STACK *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method, STACK *gens, STACK *ret)
102 for(i = 0; i < sk_num(gens); i++) {
103 gen = (GENERAL_NAME *)sk_value(gens, i);
104 ret = i2v_GENERAL_NAME(method, gen, ret);
109 STACK *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method, GENERAL_NAME *gen,
117 X509V3_add_value("othername","<unsupported>", &ret);
121 X509V3_add_value("X400Name","<unsupported>", &ret);
125 X509V3_add_value("EdiPartyName","<unsupported>", &ret);
129 X509V3_add_value("email",gen->d.ia5->data, &ret);
133 X509V3_add_value("DNS",gen->d.ia5->data, &ret);
137 X509V3_add_value("URI",gen->d.ia5->data, &ret);
141 X509_NAME_oneline(gen->d.dirn, oline, 256);
142 X509V3_add_value("DirName",oline, &ret);
147 /* BUG: doesn't support IPV6 */
148 if(gen->d.ip->length != 4) {
149 X509V3_add_value("IP Address","<invalid>", &ret);
152 sprintf(oline, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
153 X509V3_add_value("IP Address",oline, &ret);
157 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
158 X509V3_add_value("Registered ID",oline, &ret);
164 static STACK *v2i_issuer_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
170 if(!(gens = sk_new(NULL))) {
171 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
174 for(i = 0; i < sk_num(nval); i++) {
175 cnf = (CONF_VALUE *)sk_value(nval, i);
176 if(!name_cmp(cnf->name, "issuer") && cnf->value &&
177 !strcmp(cnf->value, "copy")) {
178 if(!copy_issuer(ctx, gens)) goto err;
181 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
183 sk_push(gens, (char *)gen);
188 sk_pop_free(gens, GENERAL_NAME_free);
192 /* Append subject altname of issuer to issuer alt name of subject */
194 static int copy_issuer(X509V3_CTX *ctx, STACK *gens)
200 if(ctx && (ctx->flags == CTX_TEST)) return 1;
201 if(!ctx || !ctx->issuer_cert) {
202 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_NO_ISSUER_DETAILS);
205 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
207 if(!(ext = X509_get_ext(ctx->issuer_cert, i)) ||
208 !(ialt = (STACK *) X509V3_EXT_d2i(ext)) ) {
209 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_ISSUER_DECODE_ERROR);
213 for(i = 0; i < sk_num(ialt); i++) {
214 gen = sk_value(ialt, i);
215 if(!sk_push(gens, gen)) {
216 X509V3err(X509V3_F_COPY_ISSUER,ERR_R_MALLOC_FAILURE);
229 static STACK *v2i_subject_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
235 if(!(gens = sk_new(NULL))) {
236 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
239 for(i = 0; i < sk_num(nval); i++) {
240 cnf = (CONF_VALUE *)sk_value(nval, i);
241 if(!name_cmp(cnf->name, "email") && cnf->value &&
242 !strcmp(cnf->value, "copy")) {
243 if(!copy_email(ctx, gens)) goto err;
246 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
248 sk_push(gens, (char *)gen);
253 sk_pop_free(gens, GENERAL_NAME_free);
257 /* Copy any email addresses in a certificate or request to
261 static int copy_email(X509V3_CTX *ctx, STACK *gens)
264 ASN1_IA5STRING *email = NULL;
266 GENERAL_NAME *gen = NULL;
268 if(ctx->flags == CTX_TEST) return 1;
269 if(!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
270 X509V3err(X509V3_F_COPY_EMAIL,X509V3_R_NO_SUBJECT_DETAILS);
273 /* Find the subject name */
274 if(ctx->subject_cert) nm = X509_get_subject_name(ctx->subject_cert);
275 else nm = X509_REQ_get_subject_name(ctx->subject_req);
277 /* Now add any email address(es) to STACK */
279 while((i = X509_NAME_get_index_by_NID(nm,
280 NID_pkcs9_emailAddress, i)) > 0) {
281 ne = X509_NAME_get_entry(nm, i);
282 email = ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne));
283 if(!email || !(gen = GENERAL_NAME_new())) {
284 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
289 gen->type = GEN_EMAIL;
290 if(!sk_push(gens, (char *)gen)) {
291 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
301 GENERAL_NAME_free(gen);
302 ASN1_IA5STRING_free(email);
307 STACK *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
314 if(!(gens = sk_new(NULL))) {
315 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
318 for(i = 0; i < sk_num(nval); i++) {
319 cnf = (CONF_VALUE *)sk_value(nval, i);
320 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
321 sk_push(gens, (char *)gen);
325 sk_pop_free(gens, GENERAL_NAME_free);
329 GENERAL_NAME *v2i_GENERAL_NAME(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
334 GENERAL_NAME *gen = NULL;
342 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_MISSING_VALUE);
346 if(!(gen = GENERAL_NAME_new())) {
347 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
351 if(!name_cmp(name, "email")) {
354 } else if(!name_cmp(name, "URI")) {
357 } else if(!name_cmp(name, "DNS")) {
360 } else if(!name_cmp(name, "RID")) {
362 if(!(obj = OBJ_txt2obj(value,0))) {
363 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_OBJECT);
364 ERR_add_error_data(2, "value=", value);
369 } else if(!name_cmp(name, "IP")) {
372 if((sscanf(value, "%d.%d.%d.%d",&i1,&i2,&i3,&i4) != 4) ||
373 (i1 < 0) || (i1 > 255) || (i2 < 0) || (i2 > 255) ||
374 (i3 < 0) || (i3 > 255) || (i4 < 0) || (i4 > 255) ) {
375 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_IP_ADDRESS);
376 ERR_add_error_data(2, "value=", value);
379 ip[0] = i1; ip[1] = i2 ; ip[2] = i3 ; ip[3] = i4;
380 if(!(gen->d.ip = ASN1_OCTET_STRING_new()) ||
381 !ASN1_STRING_set(gen->d.ip, ip, 4)) {
382 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
387 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_UNSUPPORTED_OPTION);
388 ERR_add_error_data(2, "name=", name);
393 if(!(gen->d.ia5 = ASN1_IA5STRING_new()) ||
394 !ASN1_STRING_set(gen->d.ia5, value, strlen(value))) {
395 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
405 GENERAL_NAME_free(gen);