2 * Copyright 1999-2017 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 BIO_snprintf(oline, sizeof(oline), "%d.%d.%d.%d",
112 p[0], p[1], p[2], p[3]);
113 else if (gen->d.ip->length == 16) {
115 for (i = 0; i < 8; i++) {
116 BIO_snprintf(htmp, sizeof(htmp), "%X", p[0] << 8 | p[1]);
123 if (!X509V3_add_value("IP Address", "<invalid>", &ret))
127 if (!X509V3_add_value("IP Address", oline, &ret))
132 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
133 if (!X509V3_add_value("Registered ID", oline, &ret))
140 int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
146 BIO_printf(out, "othername:<unsupported>");
150 BIO_printf(out, "X400Name:<unsupported>");
154 /* Maybe fix this: it is supported now */
155 BIO_printf(out, "EdiPartyName:<unsupported>");
159 BIO_printf(out, "email:%s", gen->d.ia5->data);
163 BIO_printf(out, "DNS:%s", gen->d.ia5->data);
167 BIO_printf(out, "URI:%s", gen->d.ia5->data);
171 BIO_printf(out, "DirName:");
172 X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
177 if (gen->d.ip->length == 4)
178 BIO_printf(out, "IP Address:%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
179 else if (gen->d.ip->length == 16) {
180 BIO_printf(out, "IP Address");
181 for (i = 0; i < 8; i++) {
182 BIO_printf(out, ":%X", p[0] << 8 | p[1]);
187 BIO_printf(out, "IP Address:<invalid>");
193 BIO_printf(out, "Registered ID:");
194 i2a_ASN1_OBJECT(out, gen->d.rid);
200 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
202 STACK_OF(CONF_VALUE) *nval)
204 GENERAL_NAMES *gens = NULL;
208 if ((gens = sk_GENERAL_NAME_new_null()) == NULL) {
209 X509V3err(X509V3_F_V2I_ISSUER_ALT, ERR_R_MALLOC_FAILURE);
212 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
213 cnf = sk_CONF_VALUE_value(nval, i);
214 if (!name_cmp(cnf->name, "issuer")
215 && cnf->value && strcmp(cnf->value, "copy") == 0) {
216 if (!copy_issuer(ctx, gens))
220 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
222 sk_GENERAL_NAME_push(gens, gen);
227 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
231 /* Append subject altname of issuer to issuer alt name of subject */
233 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
240 if (ctx && (ctx->flags == CTX_TEST))
242 if (!ctx || !ctx->issuer_cert) {
243 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_NO_ISSUER_DETAILS);
246 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
249 if ((ext = X509_get_ext(ctx->issuer_cert, i)) == NULL
250 || (ialt = X509V3_EXT_d2i(ext)) == NULL) {
251 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_ISSUER_DECODE_ERROR);
255 for (i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
256 gen = sk_GENERAL_NAME_value(ialt, i);
257 if (!sk_GENERAL_NAME_push(gens, gen)) {
258 X509V3err(X509V3_F_COPY_ISSUER, ERR_R_MALLOC_FAILURE);
262 sk_GENERAL_NAME_free(ialt);
271 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
273 STACK_OF(CONF_VALUE) *nval)
275 GENERAL_NAMES *gens = NULL;
279 if ((gens = sk_GENERAL_NAME_new_null()) == NULL) {
280 X509V3err(X509V3_F_V2I_SUBJECT_ALT, ERR_R_MALLOC_FAILURE);
283 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
284 cnf = sk_CONF_VALUE_value(nval, i);
285 if (!name_cmp(cnf->name, "email")
286 && cnf->value && strcmp(cnf->value, "copy") == 0) {
287 if (!copy_email(ctx, gens, 0))
289 } else if (!name_cmp(cnf->name, "email")
290 && cnf->value && strcmp(cnf->value, "move") == 0) {
291 if (!copy_email(ctx, gens, 1))
295 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
297 sk_GENERAL_NAME_push(gens, gen);
302 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
307 * Copy any email addresses in a certificate or request to GENERAL_NAMES
310 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
313 ASN1_IA5STRING *email = NULL;
315 GENERAL_NAME *gen = NULL;
318 if (ctx != NULL && ctx->flags == CTX_TEST)
321 || (ctx->subject_cert == NULL && ctx->subject_req == NULL)) {
322 X509V3err(X509V3_F_COPY_EMAIL, X509V3_R_NO_SUBJECT_DETAILS);
325 /* Find the subject name */
326 if (ctx->subject_cert)
327 nm = X509_get_subject_name(ctx->subject_cert);
329 nm = X509_REQ_get_subject_name(ctx->subject_req);
331 /* Now add any email address(es) to STACK */
332 while ((i = X509_NAME_get_index_by_NID(nm,
333 NID_pkcs9_emailAddress, i)) >= 0) {
334 ne = X509_NAME_get_entry(nm, i);
335 email = ASN1_STRING_dup(X509_NAME_ENTRY_get_data(ne));
337 X509_NAME_delete_entry(nm, i);
338 X509_NAME_ENTRY_free(ne);
341 if (email == NULL || (gen = GENERAL_NAME_new()) == NULL) {
342 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
347 gen->type = GEN_EMAIL;
348 if (!sk_GENERAL_NAME_push(gens, gen)) {
349 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
358 GENERAL_NAME_free(gen);
359 ASN1_IA5STRING_free(email);
364 GENERAL_NAMES *v2i_GENERAL_NAMES(const X509V3_EXT_METHOD *method,
365 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
368 GENERAL_NAMES *gens = NULL;
372 if ((gens = sk_GENERAL_NAME_new_null()) == NULL) {
373 X509V3err(X509V3_F_V2I_GENERAL_NAMES, ERR_R_MALLOC_FAILURE);
376 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
377 cnf = sk_CONF_VALUE_value(nval, i);
378 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
380 sk_GENERAL_NAME_push(gens, gen);
384 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
388 GENERAL_NAME *v2i_GENERAL_NAME(const X509V3_EXT_METHOD *method,
389 X509V3_CTX *ctx, CONF_VALUE *cnf)
391 return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0);
394 GENERAL_NAME *a2i_GENERAL_NAME(GENERAL_NAME *out,
395 const X509V3_EXT_METHOD *method,
396 X509V3_CTX *ctx, int gen_type, const char *value,
400 GENERAL_NAME *gen = NULL;
403 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_MISSING_VALUE);
410 gen = GENERAL_NAME_new();
412 X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE);
427 if ((obj = OBJ_txt2obj(value, 0)) == NULL) {
428 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_OBJECT);
429 ERR_add_error_data(2, "value=", value);
438 gen->d.ip = a2i_IPADDRESS_NC(value);
440 gen->d.ip = a2i_IPADDRESS(value);
441 if (gen->d.ip == NULL) {
442 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_IP_ADDRESS);
443 ERR_add_error_data(2, "value=", value);
449 if (!do_dirname(gen, value, ctx)) {
450 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_DIRNAME_ERROR);
456 if (!do_othername(gen, value, ctx)) {
457 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_OTHERNAME_ERROR);
462 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_UNSUPPORTED_TYPE);
467 if ((gen->d.ia5 = ASN1_IA5STRING_new()) == NULL ||
468 !ASN1_STRING_set(gen->d.ia5, (unsigned char *)value,
470 X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE);
475 gen->type = gen_type;
481 GENERAL_NAME_free(gen);
485 GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out,
486 const X509V3_EXT_METHOD *method,
487 X509V3_CTX *ctx, CONF_VALUE *cnf, int is_nc)
497 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_MISSING_VALUE);
501 if (!name_cmp(name, "email"))
503 else if (!name_cmp(name, "URI"))
505 else if (!name_cmp(name, "DNS"))
507 else if (!name_cmp(name, "RID"))
509 else if (!name_cmp(name, "IP"))
511 else if (!name_cmp(name, "dirName"))
513 else if (!name_cmp(name, "otherName"))
514 type = GEN_OTHERNAME;
516 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_UNSUPPORTED_OPTION);
517 ERR_add_error_data(2, "name=", name);
521 return a2i_GENERAL_NAME(out, method, ctx, type, value, is_nc);
525 static int do_othername(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx)
527 char *objtmp = NULL, *p;
530 if ((p = strchr(value, ';')) == NULL)
532 if ((gen->d.otherName = OTHERNAME_new()) == NULL)
535 * Free this up because we will overwrite it. no need to free type_id
536 * because it is static
538 ASN1_TYPE_free(gen->d.otherName->value);
539 if ((gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)) == NULL)
542 objtmp = OPENSSL_strndup(value, objlen);
545 gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
546 OPENSSL_free(objtmp);
547 if (!gen->d.otherName->type_id)
552 static int do_dirname(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx)
555 STACK_OF(CONF_VALUE) *sk = NULL;
558 if ((nm = X509_NAME_new()) == NULL)
560 sk = X509V3_get_section(ctx, value);
562 X509V3err(X509V3_F_DO_DIRNAME, X509V3_R_SECTION_NOT_FOUND);
563 ERR_add_error_data(2, "section=", value);
566 /* FIXME: should allow other character types... */
567 ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC);
575 X509V3_section_free(ctx, sk);