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_OF(CONF_VALUE) *nval);
65 static STACK_OF(GENERAL_NAME) *v2i_issuer_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *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,
71 (X509V3_EXT_FREE)GENERAL_NAMES_free,
72 (X509V3_EXT_D2I)d2i_GENERAL_NAMES,
73 (X509V3_EXT_I2D)i2d_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,
80 (X509V3_EXT_FREE)GENERAL_NAMES_free,
81 (X509V3_EXT_D2I)d2i_GENERAL_NAMES,
82 (X509V3_EXT_I2D)i2d_GENERAL_NAMES,
84 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
85 (X509V3_EXT_V2I)v2i_issuer_alt,
89 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
90 STACK_OF(GENERAL_NAME) *gens, STACK_OF(CONF_VALUE) *ret)
94 for(i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
95 gen = sk_GENERAL_NAME_value(gens, i);
96 ret = i2v_GENERAL_NAME(method, gen, ret);
98 if(!ret) return sk_CONF_VALUE_new_null();
102 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,
103 GENERAL_NAME *gen, STACK_OF(CONF_VALUE) *ret)
110 X509V3_add_value("othername","<unsupported>", &ret);
114 X509V3_add_value("X400Name","<unsupported>", &ret);
118 X509V3_add_value("EdiPartyName","<unsupported>", &ret);
122 X509V3_add_value_uchar("email",gen->d.ia5->data, &ret);
126 X509V3_add_value_uchar("DNS",gen->d.ia5->data, &ret);
130 X509V3_add_value_uchar("URI",gen->d.ia5->data, &ret);
134 X509_NAME_oneline(gen->d.dirn, oline, 256);
135 X509V3_add_value("DirName",oline, &ret);
140 /* BUG: doesn't support IPV6 */
141 if(gen->d.ip->length != 4) {
142 X509V3_add_value("IP Address","<invalid>", &ret);
145 sprintf(oline, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
146 X509V3_add_value("IP Address",oline, &ret);
150 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
151 X509V3_add_value("Registered ID",oline, &ret);
157 static STACK_OF(GENERAL_NAME) *v2i_issuer_alt(X509V3_EXT_METHOD *method,
158 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
160 STACK_OF(GENERAL_NAME) *gens = NULL;
163 if(!(gens = sk_GENERAL_NAME_new_null())) {
164 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
167 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
168 cnf = sk_CONF_VALUE_value(nval, i);
169 if(!name_cmp(cnf->name, "issuer") && cnf->value &&
170 !strcmp(cnf->value, "copy")) {
171 if(!copy_issuer(ctx, gens)) goto err;
174 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
176 sk_GENERAL_NAME_push(gens, gen);
181 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
185 /* Append subject altname of issuer to issuer alt name of subject */
187 static int copy_issuer(X509V3_CTX *ctx, STACK_OF(GENERAL_NAME) *gens)
189 STACK_OF(GENERAL_NAME) *ialt;
193 if(ctx && (ctx->flags == CTX_TEST)) return 1;
194 if(!ctx || !ctx->issuer_cert) {
195 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_NO_ISSUER_DETAILS);
198 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
200 if(!(ext = X509_get_ext(ctx->issuer_cert, i)) ||
201 !(ialt = X509V3_EXT_d2i(ext)) ) {
202 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_ISSUER_DECODE_ERROR);
206 for(i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
207 gen = sk_GENERAL_NAME_value(ialt, i);
208 if(!sk_GENERAL_NAME_push(gens, gen)) {
209 X509V3err(X509V3_F_COPY_ISSUER,ERR_R_MALLOC_FAILURE);
213 sk_GENERAL_NAME_free(ialt);
222 static STACK_OF(GENERAL_NAME) *v2i_subject_alt(X509V3_EXT_METHOD *method,
223 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
225 STACK_OF(GENERAL_NAME) *gens = NULL;
228 if(!(gens = sk_GENERAL_NAME_new_null())) {
229 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
232 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
233 cnf = sk_CONF_VALUE_value(nval, i);
234 if(!name_cmp(cnf->name, "email") && cnf->value &&
235 !strcmp(cnf->value, "copy")) {
236 if(!copy_email(ctx, gens)) goto err;
239 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
241 sk_GENERAL_NAME_push(gens, gen);
246 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
250 /* Copy any email addresses in a certificate or request to
254 static int copy_email(X509V3_CTX *ctx, STACK_OF(GENERAL_NAME) *gens)
257 ASN1_IA5STRING *email = NULL;
259 GENERAL_NAME *gen = NULL;
261 if(ctx->flags == CTX_TEST) return 1;
262 if(!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
263 X509V3err(X509V3_F_COPY_EMAIL,X509V3_R_NO_SUBJECT_DETAILS);
266 /* Find the subject name */
267 if(ctx->subject_cert) nm = X509_get_subject_name(ctx->subject_cert);
268 else nm = X509_REQ_get_subject_name(ctx->subject_req);
270 /* Now add any email address(es) to STACK */
272 while((i = X509_NAME_get_index_by_NID(nm,
273 NID_pkcs9_emailAddress, i)) > 0) {
274 ne = X509_NAME_get_entry(nm, i);
275 email = M_ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne));
276 if(!email || !(gen = GENERAL_NAME_new())) {
277 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
282 gen->type = GEN_EMAIL;
283 if(!sk_GENERAL_NAME_push(gens, gen)) {
284 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
294 GENERAL_NAME_free(gen);
295 M_ASN1_IA5STRING_free(email);
300 STACK_OF(GENERAL_NAME) *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method,
301 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
304 STACK_OF(GENERAL_NAME) *gens = NULL;
307 if(!(gens = sk_GENERAL_NAME_new_null())) {
308 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
311 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
312 cnf = sk_CONF_VALUE_value(nval, i);
313 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
314 sk_GENERAL_NAME_push(gens, gen);
318 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
322 GENERAL_NAME *v2i_GENERAL_NAME(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
327 GENERAL_NAME *gen = NULL;
335 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_MISSING_VALUE);
339 if(!(gen = GENERAL_NAME_new())) {
340 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
344 if(!name_cmp(name, "email")) {
347 } else if(!name_cmp(name, "URI")) {
350 } else if(!name_cmp(name, "DNS")) {
353 } else if(!name_cmp(name, "RID")) {
355 if(!(obj = OBJ_txt2obj(value,0))) {
356 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_OBJECT);
357 ERR_add_error_data(2, "value=", value);
362 } else if(!name_cmp(name, "IP")) {
365 if((sscanf(value, "%d.%d.%d.%d",&i1,&i2,&i3,&i4) != 4) ||
366 (i1 < 0) || (i1 > 255) || (i2 < 0) || (i2 > 255) ||
367 (i3 < 0) || (i3 > 255) || (i4 < 0) || (i4 > 255) ) {
368 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_IP_ADDRESS);
369 ERR_add_error_data(2, "value=", value);
372 ip[0] = i1; ip[1] = i2 ; ip[2] = i3 ; ip[3] = i4;
373 if(!(gen->d.ip = M_ASN1_OCTET_STRING_new()) ||
374 !ASN1_STRING_set(gen->d.ip, ip, 4)) {
375 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
380 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_UNSUPPORTED_OPTION);
381 ERR_add_error_data(2, "name=", name);
386 if(!(gen->d.ia5 = M_ASN1_IA5STRING_new()) ||
387 !ASN1_STRING_set(gen->d.ia5, (unsigned char*)value,
389 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
399 GENERAL_NAME_free(gen);