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 if (!X509V3_add_value("othername", "<unsupported>", &ret))
78 if (!X509V3_add_value("X400Name", "<unsupported>", &ret))
83 if (!X509V3_add_value("EdiPartyName", "<unsupported>", &ret))
88 if (!X509V3_add_value_uchar("email", gen->d.ia5->data, &ret))
93 if (!X509V3_add_value_uchar("DNS", gen->d.ia5->data, &ret))
98 if (!X509V3_add_value_uchar("URI", gen->d.ia5->data, &ret))
103 if (X509_NAME_oneline(gen->d.dirn, oline, 256) == NULL
104 || !X509V3_add_value("DirName", oline, &ret))
110 if (gen->d.ip->length == 4)
111 sprintf(oline, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
112 else if (gen->d.ip->length == 16) {
114 for (i = 0; i < 8; i++) {
115 sprintf(htmp, "%X", p[0] << 8 | p[1]);
122 if (!X509V3_add_value("IP Address", "<invalid>", &ret))
126 if (!X509V3_add_value("IP Address", oline, &ret))
131 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
132 if (!X509V3_add_value("Registered ID", oline, &ret))
139 int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
145 BIO_printf(out, "othername:<unsupported>");
149 BIO_printf(out, "X400Name:<unsupported>");
153 /* Maybe fix this: it is supported now */
154 BIO_printf(out, "EdiPartyName:<unsupported>");
158 BIO_printf(out, "email:%s", gen->d.ia5->data);
162 BIO_printf(out, "DNS:%s", gen->d.ia5->data);
166 BIO_printf(out, "URI:%s", gen->d.ia5->data);
170 BIO_printf(out, "DirName:");
171 X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
176 if (gen->d.ip->length == 4)
177 BIO_printf(out, "IP Address:%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
178 else if (gen->d.ip->length == 16) {
179 BIO_printf(out, "IP Address");
180 for (i = 0; i < 8; i++) {
181 BIO_printf(out, ":%X", p[0] << 8 | p[1]);
186 BIO_printf(out, "IP Address:<invalid>");
192 BIO_printf(out, "Registered ID:");
193 i2a_ASN1_OBJECT(out, gen->d.rid);
199 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
201 STACK_OF(CONF_VALUE) *nval)
203 GENERAL_NAMES *gens = NULL;
207 if ((gens = sk_GENERAL_NAME_new_null()) == NULL) {
208 X509V3err(X509V3_F_V2I_ISSUER_ALT, ERR_R_MALLOC_FAILURE);
211 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
212 cnf = sk_CONF_VALUE_value(nval, i);
213 if (!name_cmp(cnf->name, "issuer")
214 && cnf->value && strcmp(cnf->value, "copy") == 0) {
215 if (!copy_issuer(ctx, gens))
219 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
221 sk_GENERAL_NAME_push(gens, gen);
226 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
230 /* Append subject altname of issuer to issuer alt name of subject */
232 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
239 if (ctx && (ctx->flags == CTX_TEST))
241 if (!ctx || !ctx->issuer_cert) {
242 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_NO_ISSUER_DETAILS);
245 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
248 if ((ext = X509_get_ext(ctx->issuer_cert, i)) == NULL
249 || (ialt = X509V3_EXT_d2i(ext)) == NULL) {
250 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_ISSUER_DECODE_ERROR);
254 for (i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
255 gen = sk_GENERAL_NAME_value(ialt, i);
256 if (!sk_GENERAL_NAME_push(gens, gen)) {
257 X509V3err(X509V3_F_COPY_ISSUER, ERR_R_MALLOC_FAILURE);
261 sk_GENERAL_NAME_free(ialt);
270 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
272 STACK_OF(CONF_VALUE) *nval)
274 GENERAL_NAMES *gens = NULL;
278 if ((gens = sk_GENERAL_NAME_new_null()) == NULL) {
279 X509V3err(X509V3_F_V2I_SUBJECT_ALT, 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")
285 && cnf->value && strcmp(cnf->value, "copy") == 0) {
286 if (!copy_email(ctx, gens, 0))
288 } else if (!name_cmp(cnf->name, "email")
289 && cnf->value && strcmp(cnf->value, "move") == 0) {
290 if (!copy_email(ctx, gens, 1))
294 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
296 sk_GENERAL_NAME_push(gens, gen);
301 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
306 * Copy any email addresses in a certificate or request to GENERAL_NAMES
309 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
312 ASN1_IA5STRING *email = NULL;
314 GENERAL_NAME *gen = NULL;
317 if (ctx != NULL && ctx->flags == CTX_TEST)
320 || (ctx->subject_cert == NULL && ctx->subject_req == NULL)) {
321 X509V3err(X509V3_F_COPY_EMAIL, X509V3_R_NO_SUBJECT_DETAILS);
324 /* Find the subject name */
325 if (ctx->subject_cert)
326 nm = X509_get_subject_name(ctx->subject_cert);
328 nm = X509_REQ_get_subject_name(ctx->subject_req);
330 /* Now add any email address(es) to STACK */
331 while ((i = X509_NAME_get_index_by_NID(nm,
332 NID_pkcs9_emailAddress, i)) >= 0) {
333 ne = X509_NAME_get_entry(nm, i);
334 email = ASN1_STRING_dup(X509_NAME_ENTRY_get_data(ne));
336 X509_NAME_delete_entry(nm, i);
337 X509_NAME_ENTRY_free(ne);
340 if (email == NULL || (gen = GENERAL_NAME_new()) == NULL) {
341 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
346 gen->type = GEN_EMAIL;
347 if (!sk_GENERAL_NAME_push(gens, gen)) {
348 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
357 GENERAL_NAME_free(gen);
358 ASN1_IA5STRING_free(email);
363 GENERAL_NAMES *v2i_GENERAL_NAMES(const X509V3_EXT_METHOD *method,
364 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
367 GENERAL_NAMES *gens = NULL;
371 if ((gens = sk_GENERAL_NAME_new_null()) == NULL) {
372 X509V3err(X509V3_F_V2I_GENERAL_NAMES, ERR_R_MALLOC_FAILURE);
375 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
376 cnf = sk_CONF_VALUE_value(nval, i);
377 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
379 sk_GENERAL_NAME_push(gens, gen);
383 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
387 GENERAL_NAME *v2i_GENERAL_NAME(const X509V3_EXT_METHOD *method,
388 X509V3_CTX *ctx, CONF_VALUE *cnf)
390 return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0);
393 GENERAL_NAME *a2i_GENERAL_NAME(GENERAL_NAME *out,
394 const X509V3_EXT_METHOD *method,
395 X509V3_CTX *ctx, int gen_type, const char *value,
399 GENERAL_NAME *gen = NULL;
402 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_MISSING_VALUE);
409 gen = GENERAL_NAME_new();
411 X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE);
426 if ((obj = OBJ_txt2obj(value, 0)) == NULL) {
427 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_OBJECT);
428 ERR_add_error_data(2, "value=", value);
437 gen->d.ip = a2i_IPADDRESS_NC(value);
439 gen->d.ip = a2i_IPADDRESS(value);
440 if (gen->d.ip == NULL) {
441 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_IP_ADDRESS);
442 ERR_add_error_data(2, "value=", value);
448 if (!do_dirname(gen, value, ctx)) {
449 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_DIRNAME_ERROR);
455 if (!do_othername(gen, value, ctx)) {
456 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_OTHERNAME_ERROR);
461 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_UNSUPPORTED_TYPE);
466 if ((gen->d.ia5 = ASN1_IA5STRING_new()) == NULL ||
467 !ASN1_STRING_set(gen->d.ia5, (unsigned char *)value,
469 X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE);
474 gen->type = gen_type;
480 GENERAL_NAME_free(gen);
484 GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out,
485 const X509V3_EXT_METHOD *method,
486 X509V3_CTX *ctx, CONF_VALUE *cnf, int is_nc)
496 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_MISSING_VALUE);
500 if (!name_cmp(name, "email"))
502 else if (!name_cmp(name, "URI"))
504 else if (!name_cmp(name, "DNS"))
506 else if (!name_cmp(name, "RID"))
508 else if (!name_cmp(name, "IP"))
510 else if (!name_cmp(name, "dirName"))
512 else if (!name_cmp(name, "otherName"))
513 type = GEN_OTHERNAME;
515 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_UNSUPPORTED_OPTION);
516 ERR_add_error_data(2, "name=", name);
520 return a2i_GENERAL_NAME(out, method, ctx, type, value, is_nc);
524 static int do_othername(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx)
526 char *objtmp = NULL, *p;
529 if ((p = strchr(value, ';')) == NULL)
531 if ((gen->d.otherName = OTHERNAME_new()) == NULL)
534 * Free this up because we will overwrite it. no need to free type_id
535 * because it is static
537 ASN1_TYPE_free(gen->d.otherName->value);
538 if ((gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)) == NULL)
541 objtmp = OPENSSL_strndup(value, objlen);
544 gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
545 OPENSSL_free(objtmp);
546 if (!gen->d.otherName->type_id)
551 static int do_dirname(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx)
554 STACK_OF(CONF_VALUE) *sk = NULL;
557 if ((nm = X509_NAME_new()) == NULL)
559 sk = X509V3_get_section(ctx, value);
561 X509V3err(X509V3_F_DO_DIRNAME, X509V3_R_SECTION_NOT_FOUND);
562 ERR_add_error_data(2, "section=", value);
565 /* FIXME: should allow other character types... */
566 ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC);
574 X509V3_section_free(ctx, sk);