2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 1999-2002 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, int move_p);
67 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens);
68 static int do_othername(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx);
70 X509V3_EXT_METHOD v3_alt[] = {
71 { NID_subject_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
74 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
75 (X509V3_EXT_V2I)v2i_subject_alt,
78 { NID_issuer_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
81 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
82 (X509V3_EXT_V2I)v2i_issuer_alt,
86 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
87 GENERAL_NAMES *gens, STACK_OF(CONF_VALUE) *ret)
91 for(i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
92 gen = sk_GENERAL_NAME_value(gens, i);
93 ret = i2v_GENERAL_NAME(method, gen, ret);
95 if(!ret) return sk_CONF_VALUE_new_null();
99 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,
100 GENERAL_NAME *gen, STACK_OF(CONF_VALUE) *ret)
107 X509V3_add_value("othername","<unsupported>", &ret);
111 X509V3_add_value("X400Name","<unsupported>", &ret);
115 X509V3_add_value("EdiPartyName","<unsupported>", &ret);
119 X509V3_add_value_uchar("email",gen->d.ia5->data, &ret);
123 X509V3_add_value_uchar("DNS",gen->d.ia5->data, &ret);
127 X509V3_add_value_uchar("URI",gen->d.ia5->data, &ret);
131 X509_NAME_oneline(gen->d.dirn, oline, 256);
132 X509V3_add_value("DirName",oline, &ret);
137 /* BUG: doesn't support IPV6 */
138 if(gen->d.ip->length != 4) {
139 X509V3_add_value("IP Address","<invalid>", &ret);
142 sprintf(oline, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
143 X509V3_add_value("IP Address",oline, &ret);
147 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
148 X509V3_add_value("Registered ID",oline, &ret);
154 int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
160 BIO_printf(out, "othername:<unsupported>");
164 BIO_printf(out, "X400Name:<unsupported>");
168 /* Maybe fix this: it is supported now */
169 BIO_printf(out, "EdiPartyName:<unsupported>");
173 BIO_printf(out, "email:%s",gen->d.ia5->data);
177 BIO_printf(out, "DNS:%s",gen->d.ia5->data);
181 BIO_printf(out, "URI:%s",gen->d.ia5->data);
185 BIO_printf(out, "DirName: ");
186 X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
191 /* BUG: doesn't support IPV6 */
192 if(gen->d.ip->length != 4) {
193 BIO_printf(out,"IP Address:<invalid>");
196 BIO_printf(out, "IP Address:%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
200 BIO_printf(out, "Registered ID");
201 i2a_ASN1_OBJECT(out, gen->d.rid);
207 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
208 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
210 GENERAL_NAMES *gens = NULL;
213 if(!(gens = sk_GENERAL_NAME_new_null())) {
214 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
217 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
218 cnf = sk_CONF_VALUE_value(nval, i);
219 if(!name_cmp(cnf->name, "issuer") && cnf->value &&
220 !strcmp(cnf->value, "copy")) {
221 if(!copy_issuer(ctx, gens)) goto err;
224 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
226 sk_GENERAL_NAME_push(gens, gen);
231 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
235 /* Append subject altname of issuer to issuer alt name of subject */
237 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
243 if(ctx && (ctx->flags == CTX_TEST)) return 1;
244 if(!ctx || !ctx->issuer_cert) {
245 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_NO_ISSUER_DETAILS);
248 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
250 if(!(ext = X509_get_ext(ctx->issuer_cert, i)) ||
251 !(ialt = X509V3_EXT_d2i(ext)) ) {
252 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_ISSUER_DECODE_ERROR);
256 for(i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
257 gen = sk_GENERAL_NAME_value(ialt, i);
258 if(!sk_GENERAL_NAME_push(gens, gen)) {
259 X509V3err(X509V3_F_COPY_ISSUER,ERR_R_MALLOC_FAILURE);
263 sk_GENERAL_NAME_free(ialt);
272 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
273 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
275 GENERAL_NAMES *gens = NULL;
278 if(!(gens = sk_GENERAL_NAME_new_null())) {
279 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
282 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
283 cnf = sk_CONF_VALUE_value(nval, i);
284 if(!name_cmp(cnf->name, "email") && cnf->value &&
285 !strcmp(cnf->value, "copy")) {
286 if(!copy_email(ctx, gens, 0)) goto err;
287 } else if(!name_cmp(cnf->name, "email") && cnf->value &&
288 !strcmp(cnf->value, "move")) {
289 if(!copy_email(ctx, gens, 1)) goto err;
292 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
294 sk_GENERAL_NAME_push(gens, gen);
299 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
303 /* Copy any email addresses in a certificate or request to
307 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
310 ASN1_IA5STRING *email = NULL;
312 GENERAL_NAME *gen = NULL;
314 if(ctx->flags == CTX_TEST) return 1;
315 if(!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
316 X509V3err(X509V3_F_COPY_EMAIL,X509V3_R_NO_SUBJECT_DETAILS);
319 /* Find the subject name */
320 if(ctx->subject_cert) nm = X509_get_subject_name(ctx->subject_cert);
321 else nm = X509_REQ_get_subject_name(ctx->subject_req);
323 /* Now add any email address(es) to STACK */
325 while((i = X509_NAME_get_index_by_NID(nm,
326 NID_pkcs9_emailAddress, i)) >= 0) {
327 ne = X509_NAME_get_entry(nm, i);
328 email = M_ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne));
331 X509_NAME_delete_entry(nm, i);
334 if(!email || !(gen = GENERAL_NAME_new())) {
335 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
340 gen->type = GEN_EMAIL;
341 if(!sk_GENERAL_NAME_push(gens, gen)) {
342 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
352 GENERAL_NAME_free(gen);
353 M_ASN1_IA5STRING_free(email);
358 GENERAL_NAMES *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method,
359 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
362 GENERAL_NAMES *gens = NULL;
365 if(!(gens = sk_GENERAL_NAME_new_null())) {
366 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
369 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
370 cnf = sk_CONF_VALUE_value(nval, i);
371 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
372 sk_GENERAL_NAME_push(gens, gen);
376 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
380 GENERAL_NAME *v2i_GENERAL_NAME(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
385 GENERAL_NAME *gen = NULL;
393 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_MISSING_VALUE);
397 if(!(gen = GENERAL_NAME_new())) {
398 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
402 if(!name_cmp(name, "email")) {
405 } else if(!name_cmp(name, "URI")) {
408 } else if(!name_cmp(name, "DNS")) {
411 } else if(!name_cmp(name, "RID")) {
413 if(!(obj = OBJ_txt2obj(value,0))) {
414 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_OBJECT);
415 ERR_add_error_data(2, "value=", value);
420 } else if(!name_cmp(name, "IP")) {
423 if((sscanf(value, "%d.%d.%d.%d",&i1,&i2,&i3,&i4) != 4) ||
424 (i1 < 0) || (i1 > 255) || (i2 < 0) || (i2 > 255) ||
425 (i3 < 0) || (i3 > 255) || (i4 < 0) || (i4 > 255) ) {
426 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_IP_ADDRESS);
427 ERR_add_error_data(2, "value=", value);
430 ip[0] = i1; ip[1] = i2 ; ip[2] = i3 ; ip[3] = i4;
431 if(!(gen->d.ip = M_ASN1_OCTET_STRING_new()) ||
432 !ASN1_STRING_set(gen->d.ip, ip, 4)) {
433 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
437 } else if(!name_cmp(name, "otherName")) {
438 if (!do_othername(gen, value, ctx))
440 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_OTHERNAME_ERROR);
443 type = GEN_OTHERNAME;
445 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_UNSUPPORTED_OPTION);
446 ERR_add_error_data(2, "name=", name);
451 if(!(gen->d.ia5 = M_ASN1_IA5STRING_new()) ||
452 !ASN1_STRING_set(gen->d.ia5, (unsigned char*)value,
454 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
464 GENERAL_NAME_free(gen);
468 static int do_othername(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx)
470 char *objtmp = NULL, *p;
472 if (!(p = strchr(value, ';')))
474 if (!(gen->d.otherName = OTHERNAME_new()))
476 /* Free this up because we will overwrite it.
477 * no need to free type_id because it is static
479 ASN1_TYPE_free(gen->d.otherName->value);
480 if (!(gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)))
483 objtmp = OPENSSL_malloc(objlen + 1);
484 strncpy(objtmp, value, objlen);
486 gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
487 OPENSSL_free(objtmp);
488 if (!gen->d.otherName->type_id)