2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 1999-2003 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)
103 char oline[256], htmp[5];
108 X509V3_add_value("othername","<unsupported>", &ret);
112 X509V3_add_value("X400Name","<unsupported>", &ret);
116 X509V3_add_value("EdiPartyName","<unsupported>", &ret);
120 X509V3_add_value_uchar("email",gen->d.ia5->data, &ret);
124 X509V3_add_value_uchar("DNS",gen->d.ia5->data, &ret);
128 X509V3_add_value_uchar("URI",gen->d.ia5->data, &ret);
132 X509_NAME_oneline(gen->d.dirn, oline, 256);
133 X509V3_add_value("DirName",oline, &ret);
138 if(gen->d.ip->length == 4)
139 sprintf(oline, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
140 else if(gen->d.ip->length == 16)
143 for (i = 0; i < 8; i++)
145 sprintf(htmp, "%X", p[0] << 8 | p[1]);
154 X509V3_add_value("IP Address","<invalid>", &ret);
157 X509V3_add_value("IP Address",oline, &ret);
161 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
162 X509V3_add_value("Registered ID",oline, &ret);
168 int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
175 BIO_printf(out, "othername:<unsupported>");
179 BIO_printf(out, "X400Name:<unsupported>");
183 /* Maybe fix this: it is supported now */
184 BIO_printf(out, "EdiPartyName:<unsupported>");
188 BIO_printf(out, "email:%s",gen->d.ia5->data);
192 BIO_printf(out, "DNS:%s",gen->d.ia5->data);
196 BIO_printf(out, "URI:%s",gen->d.ia5->data);
200 BIO_printf(out, "DirName: ");
201 X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
206 if(gen->d.ip->length == 4)
207 BIO_printf(out, "IP Address:%d.%d.%d.%d",
208 p[0], p[1], p[2], p[3]);
209 else if(gen->d.ip->length == 16)
211 BIO_printf(out, "IP Address");
212 for (i = 0; i < 8; i++)
214 BIO_printf(out, ":%X", p[0] << 8 | p[1]);
221 BIO_printf(out,"IP Address:<invalid>");
227 BIO_printf(out, "Registered ID");
228 i2a_ASN1_OBJECT(out, gen->d.rid);
234 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
235 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
237 GENERAL_NAMES *gens = NULL;
240 if(!(gens = sk_GENERAL_NAME_new_null())) {
241 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
244 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
245 cnf = sk_CONF_VALUE_value(nval, i);
246 if(!name_cmp(cnf->name, "issuer") && cnf->value &&
247 !strcmp(cnf->value, "copy")) {
248 if(!copy_issuer(ctx, gens)) goto err;
251 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
253 sk_GENERAL_NAME_push(gens, gen);
258 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
262 /* Append subject altname of issuer to issuer alt name of subject */
264 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
270 if(ctx && (ctx->flags == CTX_TEST)) return 1;
271 if(!ctx || !ctx->issuer_cert) {
272 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_NO_ISSUER_DETAILS);
275 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
277 if(!(ext = X509_get_ext(ctx->issuer_cert, i)) ||
278 !(ialt = X509V3_EXT_d2i(ext)) ) {
279 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_ISSUER_DECODE_ERROR);
283 for(i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
284 gen = sk_GENERAL_NAME_value(ialt, i);
285 if(!sk_GENERAL_NAME_push(gens, gen)) {
286 X509V3err(X509V3_F_COPY_ISSUER,ERR_R_MALLOC_FAILURE);
290 sk_GENERAL_NAME_free(ialt);
299 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
300 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
302 GENERAL_NAMES *gens = NULL;
305 if(!(gens = sk_GENERAL_NAME_new_null())) {
306 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
309 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
310 cnf = sk_CONF_VALUE_value(nval, i);
311 if(!name_cmp(cnf->name, "email") && cnf->value &&
312 !strcmp(cnf->value, "copy")) {
313 if(!copy_email(ctx, gens, 0)) goto err;
314 } else if(!name_cmp(cnf->name, "email") && cnf->value &&
315 !strcmp(cnf->value, "move")) {
316 if(!copy_email(ctx, gens, 1)) goto err;
319 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
321 sk_GENERAL_NAME_push(gens, gen);
326 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
330 /* Copy any email addresses in a certificate or request to
334 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
337 ASN1_IA5STRING *email = NULL;
339 GENERAL_NAME *gen = NULL;
341 if(ctx->flags == CTX_TEST) return 1;
342 if(!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
343 X509V3err(X509V3_F_COPY_EMAIL,X509V3_R_NO_SUBJECT_DETAILS);
346 /* Find the subject name */
347 if(ctx->subject_cert) nm = X509_get_subject_name(ctx->subject_cert);
348 else nm = X509_REQ_get_subject_name(ctx->subject_req);
350 /* Now add any email address(es) to STACK */
352 while((i = X509_NAME_get_index_by_NID(nm,
353 NID_pkcs9_emailAddress, i)) >= 0) {
354 ne = X509_NAME_get_entry(nm, i);
355 email = M_ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne));
358 X509_NAME_delete_entry(nm, i);
361 if(!email || !(gen = GENERAL_NAME_new())) {
362 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
367 gen->type = GEN_EMAIL;
368 if(!sk_GENERAL_NAME_push(gens, gen)) {
369 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
379 GENERAL_NAME_free(gen);
380 M_ASN1_IA5STRING_free(email);
385 GENERAL_NAMES *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method,
386 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
389 GENERAL_NAMES *gens = NULL;
392 if(!(gens = sk_GENERAL_NAME_new_null())) {
393 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
396 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
397 cnf = sk_CONF_VALUE_value(nval, i);
398 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
399 sk_GENERAL_NAME_push(gens, gen);
403 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
407 GENERAL_NAME *v2i_GENERAL_NAME(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
412 GENERAL_NAME *gen = NULL;
420 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_MISSING_VALUE);
424 if(!(gen = GENERAL_NAME_new())) {
425 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
429 if(!name_cmp(name, "email")) {
432 } else if(!name_cmp(name, "URI")) {
435 } else if(!name_cmp(name, "DNS")) {
438 } else if(!name_cmp(name, "RID")) {
440 if(!(obj = OBJ_txt2obj(value,0))) {
441 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_OBJECT);
442 ERR_add_error_data(2, "value=", value);
447 } else if(!name_cmp(name, "IP")) {
448 if(!(gen->d.ip = a2i_IPADDRESS(value)))
450 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_IP_ADDRESS);
451 ERR_add_error_data(2, "value=", value);
455 } else if(!name_cmp(name, "otherName")) {
456 if (!do_othername(gen, value, ctx))
458 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_OTHERNAME_ERROR);
461 type = GEN_OTHERNAME;
463 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_UNSUPPORTED_OPTION);
464 ERR_add_error_data(2, "name=", name);
469 if(!(gen->d.ia5 = M_ASN1_IA5STRING_new()) ||
470 !ASN1_STRING_set(gen->d.ia5, (unsigned char*)value,
472 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
482 GENERAL_NAME_free(gen);
486 static int do_othername(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx)
488 char *objtmp = NULL, *p;
490 if (!(p = strchr(value, ';')))
492 if (!(gen->d.otherName = OTHERNAME_new()))
494 /* Free this up because we will overwrite it.
495 * no need to free type_id because it is static
497 ASN1_TYPE_free(gen->d.otherName->value);
498 if (!(gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)))
501 objtmp = OPENSSL_malloc(objlen + 1);
502 strncpy(objtmp, value, objlen);
504 gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
505 OPENSSL_free(objtmp);
506 if (!gen->d.otherName->type_id)