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 STACK_OF(GENERAL_NAME) *v2i_subject_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK *nval);
65 static STACK_OF(GENERAL_NAME) *v2i_issuer_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK *nval);
66 static int copy_email(X509V3_CTX *ctx, STACK_OF(GENERAL_NAME) *gens);
67 static int copy_issuer(X509V3_CTX *ctx, STACK_OF(GENERAL_NAME) *gens);
68 X509V3_EXT_METHOD v3_alt[] = {
69 { NID_subject_alt_name, 0,
70 (X509V3_EXT_NEW)GENERAL_NAMES_new,
72 (X509V3_EXT_D2I)d2i_GENERAL_NAMES,
75 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
76 (X509V3_EXT_V2I)v2i_subject_alt,
78 { NID_issuer_alt_name, 0,
79 (X509V3_EXT_NEW)GENERAL_NAMES_new,
81 (X509V3_EXT_D2I)d2i_GENERAL_NAMES,
84 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
85 (X509V3_EXT_V2I)v2i_issuer_alt,
90 STACK *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
91 STACK_OF(GENERAL_NAME) *gens, STACK *ret)
95 for(i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
96 gen = sk_GENERAL_NAME_value(gens, i);
97 ret = i2v_GENERAL_NAME(method, gen, ret);
99 if(!ret) return sk_GENERAL_NAME_new_null();
103 STACK *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method, GENERAL_NAME *gen,
111 X509V3_add_value("othername","<unsupported>", &ret);
115 X509V3_add_value("X400Name","<unsupported>", &ret);
119 X509V3_add_value("EdiPartyName","<unsupported>", &ret);
123 X509V3_add_value_uchar("email",gen->d.ia5->data, &ret);
127 X509V3_add_value_uchar("DNS",gen->d.ia5->data, &ret);
131 X509V3_add_value_uchar("URI",gen->d.ia5->data, &ret);
135 X509_NAME_oneline(gen->d.dirn, oline, 256);
136 X509V3_add_value("DirName",oline, &ret);
141 /* BUG: doesn't support IPV6 */
142 if(gen->d.ip->length != 4) {
143 X509V3_add_value("IP Address","<invalid>", &ret);
146 sprintf(oline, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
147 X509V3_add_value("IP Address",oline, &ret);
151 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
152 X509V3_add_value("Registered ID",oline, &ret);
158 static STACK_OF(GENERAL_NAME) *v2i_issuer_alt(X509V3_EXT_METHOD *method,
159 X509V3_CTX *ctx, STACK *nval)
161 STACK_OF(GENERAL_NAME) *gens = NULL;
164 if(!(gens = sk_GENERAL_NAME_new(NULL))) {
165 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
168 for(i = 0; i < sk_num(nval); i++) {
169 cnf = (CONF_VALUE *)sk_value(nval, i);
170 if(!name_cmp(cnf->name, "issuer") && cnf->value &&
171 !strcmp(cnf->value, "copy")) {
172 if(!copy_issuer(ctx, gens)) goto err;
175 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
177 sk_GENERAL_NAME_push(gens, gen);
182 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
186 /* Append subject altname of issuer to issuer alt name of subject */
188 static int copy_issuer(X509V3_CTX *ctx, STACK_OF(GENERAL_NAME) *gens)
190 STACK_OF(GENERAL_NAME) *ialt;
194 if(ctx && (ctx->flags == CTX_TEST)) return 1;
195 if(!ctx || !ctx->issuer_cert) {
196 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_NO_ISSUER_DETAILS);
199 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
201 if(!(ext = X509_get_ext(ctx->issuer_cert, i)) ||
202 !(ialt = X509V3_EXT_d2i(ext)) ) {
203 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_ISSUER_DECODE_ERROR);
207 for(i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
208 gen = sk_GENERAL_NAME_value(ialt, i);
209 if(!sk_GENERAL_NAME_push(gens, gen)) {
210 X509V3err(X509V3_F_COPY_ISSUER,ERR_R_MALLOC_FAILURE);
214 sk_GENERAL_NAME_free(ialt);
223 static STACK_OF(GENERAL_NAME) *v2i_subject_alt(X509V3_EXT_METHOD *method,
224 X509V3_CTX *ctx, STACK *nval)
226 STACK_OF(GENERAL_NAME) *gens = NULL;
229 if(!(gens = sk_GENERAL_NAME_new(NULL))) {
230 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
233 for(i = 0; i < sk_num(nval); i++) {
234 cnf = (CONF_VALUE *)sk_value(nval, i);
235 if(!name_cmp(cnf->name, "email") && cnf->value &&
236 !strcmp(cnf->value, "copy")) {
237 if(!copy_email(ctx, gens)) goto err;
240 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
242 sk_GENERAL_NAME_push(gens, gen);
247 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
251 /* Copy any email addresses in a certificate or request to
255 static int copy_email(X509V3_CTX *ctx, STACK_OF(GENERAL_NAME) *gens)
258 ASN1_IA5STRING *email = NULL;
260 GENERAL_NAME *gen = NULL;
262 if(ctx->flags == CTX_TEST) return 1;
263 if(!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
264 X509V3err(X509V3_F_COPY_EMAIL,X509V3_R_NO_SUBJECT_DETAILS);
267 /* Find the subject name */
268 if(ctx->subject_cert) nm = X509_get_subject_name(ctx->subject_cert);
269 else nm = X509_REQ_get_subject_name(ctx->subject_req);
271 /* Now add any email address(es) to STACK */
273 while((i = X509_NAME_get_index_by_NID(nm,
274 NID_pkcs9_emailAddress, i)) > 0) {
275 ne = X509_NAME_get_entry(nm, i);
276 email = ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne));
277 if(!email || !(gen = GENERAL_NAME_new())) {
278 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
283 gen->type = GEN_EMAIL;
284 if(!sk_GENERAL_NAME_push(gens, gen)) {
285 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
295 GENERAL_NAME_free(gen);
296 ASN1_IA5STRING_free(email);
301 STACK_OF(GENERAL_NAME) *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method,
302 X509V3_CTX *ctx, STACK *nval)
305 STACK_OF(GENERAL_NAME) *gens = NULL;
308 if(!(gens = sk_GENERAL_NAME_new(NULL))) {
309 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
312 for(i = 0; i < sk_num(nval); i++) {
313 cnf = (CONF_VALUE *)sk_value(nval, i);
314 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
315 sk_GENERAL_NAME_push(gens, gen);
319 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
323 GENERAL_NAME *v2i_GENERAL_NAME(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
328 GENERAL_NAME *gen = NULL;
336 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_MISSING_VALUE);
340 if(!(gen = GENERAL_NAME_new())) {
341 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
345 if(!name_cmp(name, "email")) {
348 } else if(!name_cmp(name, "URI")) {
351 } else if(!name_cmp(name, "DNS")) {
354 } else if(!name_cmp(name, "RID")) {
356 if(!(obj = OBJ_txt2obj(value,0))) {
357 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_OBJECT);
358 ERR_add_error_data(2, "value=", value);
363 } else if(!name_cmp(name, "IP")) {
366 if((sscanf(value, "%d.%d.%d.%d",&i1,&i2,&i3,&i4) != 4) ||
367 (i1 < 0) || (i1 > 255) || (i2 < 0) || (i2 > 255) ||
368 (i3 < 0) || (i3 > 255) || (i4 < 0) || (i4 > 255) ) {
369 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_IP_ADDRESS);
370 ERR_add_error_data(2, "value=", value);
373 ip[0] = i1; ip[1] = i2 ; ip[2] = i3 ; ip[3] = i4;
374 if(!(gen->d.ip = ASN1_OCTET_STRING_new()) ||
375 !ASN1_STRING_set(gen->d.ip, ip, 4)) {
376 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
381 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_UNSUPPORTED_OPTION);
382 ERR_add_error_data(2, "name=", name);
387 if(!(gen->d.ia5 = ASN1_IA5STRING_new()) ||
388 !ASN1_STRING_set(gen->d.ia5, (unsigned char*)value,
390 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
400 GENERAL_NAME_free(gen);