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);
69 static int do_dirname(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx);
71 const X509V3_EXT_METHOD v3_alt[] = {
72 { NID_subject_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
75 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
76 (X509V3_EXT_V2I)v2i_subject_alt,
79 { NID_issuer_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
82 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
83 (X509V3_EXT_V2I)v2i_issuer_alt,
87 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
88 GENERAL_NAMES *gens, STACK_OF(CONF_VALUE) *ret)
92 for(i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
93 gen = sk_GENERAL_NAME_value(gens, i);
94 ret = i2v_GENERAL_NAME(method, gen, ret);
96 if(!ret) return sk_CONF_VALUE_new_null();
100 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,
101 GENERAL_NAME *gen, STACK_OF(CONF_VALUE) *ret)
104 char oline[256], htmp[5];
109 X509V3_add_value("othername","<unsupported>", &ret);
113 X509V3_add_value("X400Name","<unsupported>", &ret);
117 X509V3_add_value("EdiPartyName","<unsupported>", &ret);
121 X509V3_add_value_uchar("email",gen->d.ia5->data, &ret);
125 X509V3_add_value_uchar("DNS",gen->d.ia5->data, &ret);
129 X509V3_add_value_uchar("URI",gen->d.ia5->data, &ret);
133 X509_NAME_oneline(gen->d.dirn, oline, 256);
134 X509V3_add_value("DirName",oline, &ret);
139 if(gen->d.ip->length == 4)
140 BIO_snprintf(oline, sizeof oline,
141 "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
142 else if(gen->d.ip->length == 16)
145 for (i = 0; i < 8; i++)
147 BIO_snprintf(htmp, sizeof htmp,
148 "%X", p[0] << 8 | p[1]);
157 X509V3_add_value("IP Address","<invalid>", &ret);
160 X509V3_add_value("IP Address",oline, &ret);
164 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
165 X509V3_add_value("Registered ID",oline, &ret);
171 int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
178 BIO_printf(out, "othername:<unsupported>");
182 BIO_printf(out, "X400Name:<unsupported>");
186 /* Maybe fix this: it is supported now */
187 BIO_printf(out, "EdiPartyName:<unsupported>");
191 BIO_printf(out, "email:%s",gen->d.ia5->data);
195 BIO_printf(out, "DNS:%s",gen->d.ia5->data);
199 BIO_printf(out, "URI:%s",gen->d.ia5->data);
203 BIO_printf(out, "DirName: ");
204 X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
209 if(gen->d.ip->length == 4)
210 BIO_printf(out, "IP Address:%d.%d.%d.%d",
211 p[0], p[1], p[2], p[3]);
212 else if(gen->d.ip->length == 16)
214 BIO_printf(out, "IP Address");
215 for (i = 0; i < 8; i++)
217 BIO_printf(out, ":%X", p[0] << 8 | p[1]);
224 BIO_printf(out,"IP Address:<invalid>");
230 BIO_printf(out, "Registered ID");
231 i2a_ASN1_OBJECT(out, gen->d.rid);
237 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
238 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
240 GENERAL_NAMES *gens = NULL;
243 if(!(gens = sk_GENERAL_NAME_new_null())) {
244 X509V3err(X509V3_F_V2I_ISSUER_ALT,ERR_R_MALLOC_FAILURE);
247 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
248 cnf = sk_CONF_VALUE_value(nval, i);
249 if(!name_cmp(cnf->name, "issuer") && cnf->value &&
250 !strcmp(cnf->value, "copy")) {
251 if(!copy_issuer(ctx, gens)) goto err;
254 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
256 sk_GENERAL_NAME_push(gens, gen);
261 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
265 /* Append subject altname of issuer to issuer alt name of subject */
267 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
273 if(ctx && (ctx->flags == CTX_TEST)) return 1;
274 if(!ctx || !ctx->issuer_cert) {
275 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_NO_ISSUER_DETAILS);
278 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
280 if(!(ext = X509_get_ext(ctx->issuer_cert, i)) ||
281 !(ialt = X509V3_EXT_d2i(ext)) ) {
282 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_ISSUER_DECODE_ERROR);
286 for(i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
287 gen = sk_GENERAL_NAME_value(ialt, i);
288 if(!sk_GENERAL_NAME_push(gens, gen)) {
289 X509V3err(X509V3_F_COPY_ISSUER,ERR_R_MALLOC_FAILURE);
293 sk_GENERAL_NAME_free(ialt);
302 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
303 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
305 GENERAL_NAMES *gens = NULL;
308 if(!(gens = sk_GENERAL_NAME_new_null())) {
309 X509V3err(X509V3_F_V2I_SUBJECT_ALT,ERR_R_MALLOC_FAILURE);
312 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
313 cnf = sk_CONF_VALUE_value(nval, i);
314 if(!name_cmp(cnf->name, "email") && cnf->value &&
315 !strcmp(cnf->value, "copy")) {
316 if(!copy_email(ctx, gens, 0)) goto err;
317 } else if(!name_cmp(cnf->name, "email") && cnf->value &&
318 !strcmp(cnf->value, "move")) {
319 if(!copy_email(ctx, gens, 1)) goto err;
322 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
324 sk_GENERAL_NAME_push(gens, gen);
329 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
333 /* Copy any email addresses in a certificate or request to
337 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
340 ASN1_IA5STRING *email = NULL;
342 GENERAL_NAME *gen = NULL;
344 if(ctx != NULL && ctx->flags == CTX_TEST)
346 if(!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
347 X509V3err(X509V3_F_COPY_EMAIL,X509V3_R_NO_SUBJECT_DETAILS);
350 /* Find the subject name */
351 if(ctx->subject_cert) nm = X509_get_subject_name(ctx->subject_cert);
352 else nm = X509_REQ_get_subject_name(ctx->subject_req);
354 /* Now add any email address(es) to STACK */
356 while((i = X509_NAME_get_index_by_NID(nm,
357 NID_pkcs9_emailAddress, i)) >= 0) {
358 ne = X509_NAME_get_entry(nm, i);
359 email = M_ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne));
362 X509_NAME_delete_entry(nm, i);
365 if(!email || !(gen = GENERAL_NAME_new())) {
366 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
371 gen->type = GEN_EMAIL;
372 if(!sk_GENERAL_NAME_push(gens, gen)) {
373 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
383 GENERAL_NAME_free(gen);
384 M_ASN1_IA5STRING_free(email);
389 GENERAL_NAMES *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method,
390 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
393 GENERAL_NAMES *gens = NULL;
396 if(!(gens = sk_GENERAL_NAME_new_null())) {
397 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
400 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
401 cnf = sk_CONF_VALUE_value(nval, i);
402 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
403 sk_GENERAL_NAME_push(gens, gen);
407 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
411 GENERAL_NAME *v2i_GENERAL_NAME(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
414 return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0);
417 GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out,
418 X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
419 CONF_VALUE *cnf, int is_nc)
423 GENERAL_NAME *gen = NULL;
432 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_MISSING_VALUE);
440 gen = GENERAL_NAME_new();
443 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,ERR_R_MALLOC_FAILURE);
448 if(!name_cmp(name, "email"))
453 else if(!name_cmp(name, "URI"))
458 else if(!name_cmp(name, "DNS"))
463 else if(!name_cmp(name, "RID"))
466 if(!(obj = OBJ_txt2obj(value,0)))
468 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_BAD_OBJECT);
469 ERR_add_error_data(2, "value=", value);
475 else if(!name_cmp(name, "IP"))
478 gen->d.ip = a2i_IPADDRESS_NC(value);
480 gen->d.ip = a2i_IPADDRESS(value);
481 if(gen->d.ip == NULL)
483 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_BAD_IP_ADDRESS);
484 ERR_add_error_data(2, "value=", value);
489 else if(!name_cmp(name, "dirName"))
492 if (!do_dirname(gen, value, ctx))
494 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_DIRNAME_ERROR);
498 else if(!name_cmp(name, "otherName"))
500 if (!do_othername(gen, value, ctx))
502 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_OTHERNAME_ERROR);
505 type = GEN_OTHERNAME;
509 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,X509V3_R_UNSUPPORTED_OPTION);
510 ERR_add_error_data(2, "name=", name);
516 if(!(gen->d.ia5 = M_ASN1_IA5STRING_new()) ||
517 !ASN1_STRING_set(gen->d.ia5, (unsigned char*)value,
520 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX,ERR_R_MALLOC_FAILURE);
530 GENERAL_NAME_free(gen);
534 static int do_othername(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx)
536 char *objtmp = NULL, *p;
538 if (!(p = strchr(value, ';')))
540 if (!(gen->d.otherName = OTHERNAME_new()))
542 /* Free this up because we will overwrite it.
543 * no need to free type_id because it is static
545 ASN1_TYPE_free(gen->d.otherName->value);
546 if (!(gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)))
549 objtmp = OPENSSL_malloc(objlen + 1);
550 strncpy(objtmp, value, objlen);
552 gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
553 OPENSSL_free(objtmp);
554 if (!gen->d.otherName->type_id)
559 static int do_dirname(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx)
562 STACK_OF(CONF_VALUE) *sk;
564 if (!(nm = X509_NAME_new()))
566 sk = X509V3_get_section(ctx, value);
569 X509V3err(X509V3_F_DO_DIRNAME,X509V3_R_SECTION_NOT_FOUND);
570 ERR_add_error_data(2, "section=", value);
574 /* FIXME: should allow other character types... */
575 ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC);