2 * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 #include "internal/cryptlib.h"
12 #include <openssl/conf.h>
13 #include <openssl/x509v3.h>
16 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
18 STACK_OF(CONF_VALUE) *nval);
19 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
21 STACK_OF(CONF_VALUE) *nval);
22 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p);
23 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens);
24 static int do_othername(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx);
25 static int do_dirname(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx);
27 const X509V3_EXT_METHOD v3_alt[3] = {
28 {NID_subject_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
31 (X509V3_EXT_I2V) i2v_GENERAL_NAMES,
32 (X509V3_EXT_V2I)v2i_subject_alt,
35 {NID_issuer_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
38 (X509V3_EXT_I2V) i2v_GENERAL_NAMES,
39 (X509V3_EXT_V2I)v2i_issuer_alt,
42 {NID_certificate_issuer, 0, ASN1_ITEM_ref(GENERAL_NAMES),
45 (X509V3_EXT_I2V) i2v_GENERAL_NAMES,
46 NULL, NULL, NULL, NULL},
49 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
51 STACK_OF(CONF_VALUE) *ret)
55 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
56 gen = sk_GENERAL_NAME_value(gens, i);
57 ret = i2v_GENERAL_NAME(method, gen, ret);
60 return sk_CONF_VALUE_new_null();
64 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,
66 STACK_OF(CONF_VALUE) *ret)
69 char oline[256], htmp[5];
73 X509V3_add_value("othername", "<unsupported>", &ret);
77 X509V3_add_value("X400Name", "<unsupported>", &ret);
81 X509V3_add_value("EdiPartyName", "<unsupported>", &ret);
85 X509V3_add_value_uchar("email", gen->d.ia5->data, &ret);
89 X509V3_add_value_uchar("DNS", gen->d.ia5->data, &ret);
93 X509V3_add_value_uchar("URI", gen->d.ia5->data, &ret);
97 X509_NAME_oneline(gen->d.dirn, oline, 256);
98 X509V3_add_value("DirName", oline, &ret);
103 if (gen->d.ip->length == 4)
104 BIO_snprintf(oline, sizeof oline,
105 "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
106 else if (gen->d.ip->length == 16) {
108 for (i = 0; i < 8; i++) {
109 BIO_snprintf(htmp, sizeof htmp, "%X", p[0] << 8 | p[1]);
116 X509V3_add_value("IP Address", "<invalid>", &ret);
119 X509V3_add_value("IP Address", oline, &ret);
123 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
124 X509V3_add_value("Registered ID", oline, &ret);
130 int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
136 BIO_printf(out, "othername:<unsupported>");
140 BIO_printf(out, "X400Name:<unsupported>");
144 /* Maybe fix this: it is supported now */
145 BIO_printf(out, "EdiPartyName:<unsupported>");
149 BIO_printf(out, "email:%s", gen->d.ia5->data);
153 BIO_printf(out, "DNS:%s", gen->d.ia5->data);
157 BIO_printf(out, "URI:%s", gen->d.ia5->data);
161 BIO_printf(out, "DirName:");
162 X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
167 if (gen->d.ip->length == 4)
168 BIO_printf(out, "IP Address:%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
169 else if (gen->d.ip->length == 16) {
170 BIO_printf(out, "IP Address");
171 for (i = 0; i < 8; i++) {
172 BIO_printf(out, ":%X", p[0] << 8 | p[1]);
177 BIO_printf(out, "IP Address:<invalid>");
183 BIO_printf(out, "Registered ID:");
184 i2a_ASN1_OBJECT(out, gen->d.rid);
190 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
192 STACK_OF(CONF_VALUE) *nval)
194 GENERAL_NAMES *gens = NULL;
198 if ((gens = sk_GENERAL_NAME_new_null()) == NULL) {
199 X509V3err(X509V3_F_V2I_ISSUER_ALT, ERR_R_MALLOC_FAILURE);
202 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
203 cnf = sk_CONF_VALUE_value(nval, i);
204 if (!name_cmp(cnf->name, "issuer")
205 && cnf->value && strcmp(cnf->value, "copy") == 0) {
206 if (!copy_issuer(ctx, gens))
210 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
212 sk_GENERAL_NAME_push(gens, gen);
217 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
221 /* Append subject altname of issuer to issuer alt name of subject */
223 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
230 if (ctx && (ctx->flags == CTX_TEST))
232 if (!ctx || !ctx->issuer_cert) {
233 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_NO_ISSUER_DETAILS);
236 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
239 if ((ext = X509_get_ext(ctx->issuer_cert, i)) == NULL
240 || (ialt = X509V3_EXT_d2i(ext)) == NULL) {
241 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_ISSUER_DECODE_ERROR);
245 for (i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
246 gen = sk_GENERAL_NAME_value(ialt, i);
247 if (!sk_GENERAL_NAME_push(gens, gen)) {
248 X509V3err(X509V3_F_COPY_ISSUER, ERR_R_MALLOC_FAILURE);
252 sk_GENERAL_NAME_free(ialt);
261 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
263 STACK_OF(CONF_VALUE) *nval)
265 GENERAL_NAMES *gens = NULL;
269 if ((gens = sk_GENERAL_NAME_new_null()) == NULL) {
270 X509V3err(X509V3_F_V2I_SUBJECT_ALT, ERR_R_MALLOC_FAILURE);
273 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
274 cnf = sk_CONF_VALUE_value(nval, i);
275 if (!name_cmp(cnf->name, "email")
276 && cnf->value && strcmp(cnf->value, "copy") == 0) {
277 if (!copy_email(ctx, gens, 0))
279 } else if (!name_cmp(cnf->name, "email")
280 && cnf->value && strcmp(cnf->value, "move") == 0) {
281 if (!copy_email(ctx, gens, 1))
285 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
287 sk_GENERAL_NAME_push(gens, gen);
292 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
297 * Copy any email addresses in a certificate or request to GENERAL_NAMES
300 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
303 ASN1_IA5STRING *email = NULL;
305 GENERAL_NAME *gen = NULL;
307 if (ctx != NULL && ctx->flags == CTX_TEST)
309 if (!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
310 X509V3err(X509V3_F_COPY_EMAIL, X509V3_R_NO_SUBJECT_DETAILS);
313 /* Find the subject name */
314 if (ctx->subject_cert)
315 nm = X509_get_subject_name(ctx->subject_cert);
317 nm = X509_REQ_get_subject_name(ctx->subject_req);
319 /* Now add any email address(es) to STACK */
321 while ((i = X509_NAME_get_index_by_NID(nm,
322 NID_pkcs9_emailAddress, i)) >= 0) {
323 ne = X509_NAME_get_entry(nm, i);
324 email = ASN1_STRING_dup(X509_NAME_ENTRY_get_data(ne));
326 X509_NAME_delete_entry(nm, i);
327 X509_NAME_ENTRY_free(ne);
330 if (email == NULL || (gen = GENERAL_NAME_new()) == NULL) {
331 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
336 gen->type = GEN_EMAIL;
337 if (!sk_GENERAL_NAME_push(gens, gen)) {
338 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
347 GENERAL_NAME_free(gen);
348 ASN1_IA5STRING_free(email);
353 GENERAL_NAMES *v2i_GENERAL_NAMES(const X509V3_EXT_METHOD *method,
354 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
357 GENERAL_NAMES *gens = NULL;
361 if ((gens = sk_GENERAL_NAME_new_null()) == NULL) {
362 X509V3err(X509V3_F_V2I_GENERAL_NAMES, ERR_R_MALLOC_FAILURE);
365 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
366 cnf = sk_CONF_VALUE_value(nval, i);
367 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
369 sk_GENERAL_NAME_push(gens, gen);
373 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
377 GENERAL_NAME *v2i_GENERAL_NAME(const X509V3_EXT_METHOD *method,
378 X509V3_CTX *ctx, CONF_VALUE *cnf)
380 return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0);
383 GENERAL_NAME *a2i_GENERAL_NAME(GENERAL_NAME *out,
384 const X509V3_EXT_METHOD *method,
385 X509V3_CTX *ctx, int gen_type, const char *value,
389 GENERAL_NAME *gen = NULL;
392 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_MISSING_VALUE);
399 gen = GENERAL_NAME_new();
401 X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE);
416 if ((obj = OBJ_txt2obj(value, 0)) == NULL) {
417 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_OBJECT);
418 ERR_add_error_data(2, "value=", value);
427 gen->d.ip = a2i_IPADDRESS_NC(value);
429 gen->d.ip = a2i_IPADDRESS(value);
430 if (gen->d.ip == NULL) {
431 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_IP_ADDRESS);
432 ERR_add_error_data(2, "value=", value);
438 if (!do_dirname(gen, value, ctx)) {
439 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_DIRNAME_ERROR);
445 if (!do_othername(gen, value, ctx)) {
446 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_OTHERNAME_ERROR);
451 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_UNSUPPORTED_TYPE);
456 if ((gen->d.ia5 = ASN1_IA5STRING_new()) == NULL ||
457 !ASN1_STRING_set(gen->d.ia5, (unsigned char *)value,
459 X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE);
464 gen->type = gen_type;
470 GENERAL_NAME_free(gen);
474 GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out,
475 const X509V3_EXT_METHOD *method,
476 X509V3_CTX *ctx, CONF_VALUE *cnf, int is_nc)
486 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_MISSING_VALUE);
490 if (!name_cmp(name, "email"))
492 else if (!name_cmp(name, "URI"))
494 else if (!name_cmp(name, "DNS"))
496 else if (!name_cmp(name, "RID"))
498 else if (!name_cmp(name, "IP"))
500 else if (!name_cmp(name, "dirName"))
502 else if (!name_cmp(name, "otherName"))
503 type = GEN_OTHERNAME;
505 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_UNSUPPORTED_OPTION);
506 ERR_add_error_data(2, "name=", name);
510 return a2i_GENERAL_NAME(out, method, ctx, type, value, is_nc);
514 static int do_othername(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx)
516 char *objtmp = NULL, *p;
519 if ((p = strchr(value, ';')) == NULL)
521 if ((gen->d.otherName = OTHERNAME_new()) == NULL)
524 * Free this up because we will overwrite it. no need to free type_id
525 * because it is static
527 ASN1_TYPE_free(gen->d.otherName->value);
528 if ((gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)) == NULL)
531 objtmp = OPENSSL_strndup(value, objlen);
534 gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
535 OPENSSL_free(objtmp);
536 if (!gen->d.otherName->type_id)
541 static int do_dirname(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx)
544 STACK_OF(CONF_VALUE) *sk = NULL;
547 if ((nm = X509_NAME_new()) == NULL)
549 sk = X509V3_get_section(ctx, value);
551 X509V3err(X509V3_F_DO_DIRNAME, X509V3_R_SECTION_NOT_FOUND);
552 ERR_add_error_data(2, "section=", value);
555 /* FIXME: should allow other character types... */
556 ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC);
564 X509V3_section_free(ctx, sk);