2 * Copyright 1999-2017 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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];
74 switch (OBJ_obj2nid(gen->d.otherName->type_id)) {
75 case NID_id_on_SmtpUTF8Mailbox:
76 if (!X509V3_add_value_uchar("othername: SmtpUTF8Mailbox:", gen->d.otherName->value->value.utf8string->data, &ret))
80 if (!X509V3_add_value_uchar("othername: XmppAddr:", gen->d.otherName->value->value.utf8string->data, &ret))
84 if (!X509V3_add_value_uchar("othername: SRVName:", gen->d.otherName->value->value.ia5string->data, &ret))
88 if (!X509V3_add_value_uchar("othername: UPN:", gen->d.otherName->value->value.utf8string->data, &ret))
92 if (!X509V3_add_value("othername", "<unsupported>", &ret))
99 if (!X509V3_add_value("X400Name", "<unsupported>", &ret))
104 if (!X509V3_add_value("EdiPartyName", "<unsupported>", &ret))
109 if (!X509V3_add_value_uchar("email", gen->d.ia5->data, &ret))
114 if (!X509V3_add_value_uchar("DNS", gen->d.ia5->data, &ret))
119 if (!X509V3_add_value_uchar("URI", gen->d.ia5->data, &ret))
124 if (X509_NAME_oneline(gen->d.dirn, oline, sizeof(oline)) == NULL
125 || !X509V3_add_value("DirName", oline, &ret))
131 if (gen->d.ip->length == 4)
132 BIO_snprintf(oline, sizeof(oline), "%d.%d.%d.%d",
133 p[0], p[1], p[2], p[3]);
134 else if (gen->d.ip->length == 16) {
136 for (i = 0; i < 8; i++) {
137 BIO_snprintf(htmp, sizeof(htmp), "%X", p[0] << 8 | p[1]);
144 if (!X509V3_add_value("IP Address", "<invalid>", &ret))
148 if (!X509V3_add_value("IP Address", oline, &ret))
153 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
154 if (!X509V3_add_value("Registered ID", oline, &ret))
161 int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
167 switch (OBJ_obj2nid(gen->d.otherName->type_id)) {
168 case NID_id_on_SmtpUTF8Mailbox:
169 BIO_printf(out, "othername:SmtpUTF8Mailbox:%s", gen->d.otherName->value->value.utf8string->data);
172 BIO_printf(out, "othername:XmppAddr:%s", gen->d.otherName->value->value.utf8string->data);
175 BIO_printf(out, "othername:SRVName:%s", gen->d.otherName->value->value.ia5string->data);
178 BIO_printf(out, "othername:UPN:%s", gen->d.otherName->value->value.utf8string->data);
181 BIO_printf(out, "othername:<unsupported>");
187 BIO_printf(out, "X400Name:<unsupported>");
191 /* Maybe fix this: it is supported now */
192 BIO_printf(out, "EdiPartyName:<unsupported>");
196 BIO_printf(out, "email:");
197 ASN1_STRING_print(out, gen->d.ia5);
201 BIO_printf(out, "DNS:");
202 ASN1_STRING_print(out, gen->d.ia5);
206 BIO_printf(out, "URI:");
207 ASN1_STRING_print(out, gen->d.ia5);
211 BIO_printf(out, "DirName:");
212 X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
217 if (gen->d.ip->length == 4)
218 BIO_printf(out, "IP Address:%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
219 else if (gen->d.ip->length == 16) {
220 BIO_printf(out, "IP Address");
221 for (i = 0; i < 8; i++) {
222 BIO_printf(out, ":%X", p[0] << 8 | p[1]);
226 BIO_printf(out, "IP Address:<invalid>");
232 BIO_printf(out, "Registered ID:");
233 i2a_ASN1_OBJECT(out, gen->d.rid);
239 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
241 STACK_OF(CONF_VALUE) *nval)
243 const int num = sk_CONF_VALUE_num(nval);
244 GENERAL_NAMES *gens = sk_GENERAL_NAME_new_reserve(NULL, num);
248 X509V3err(X509V3_F_V2I_ISSUER_ALT, ERR_R_MALLOC_FAILURE);
249 sk_GENERAL_NAME_free(gens);
252 for (i = 0; i < num; i++) {
253 CONF_VALUE *cnf = sk_CONF_VALUE_value(nval, i);
255 if (!v3_name_cmp(cnf->name, "issuer")
256 && cnf->value && strcmp(cnf->value, "copy") == 0) {
257 if (!copy_issuer(ctx, gens))
260 GENERAL_NAME *gen = v2i_GENERAL_NAME(method, ctx, cnf);
264 sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
269 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
273 /* Append subject altname of issuer to issuer alt name of subject */
275 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
282 if (ctx && (ctx->flags == CTX_TEST))
284 if (!ctx || !ctx->issuer_cert) {
285 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_NO_ISSUER_DETAILS);
288 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
291 if ((ext = X509_get_ext(ctx->issuer_cert, i)) == NULL
292 || (ialt = X509V3_EXT_d2i(ext)) == NULL) {
293 X509V3err(X509V3_F_COPY_ISSUER, X509V3_R_ISSUER_DECODE_ERROR);
297 num = sk_GENERAL_NAME_num(ialt);
298 if (!sk_GENERAL_NAME_reserve(gens, num)) {
299 X509V3err(X509V3_F_COPY_ISSUER, ERR_R_MALLOC_FAILURE);
303 for (i = 0; i < num; i++) {
304 gen = sk_GENERAL_NAME_value(ialt, i);
305 sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
307 sk_GENERAL_NAME_free(ialt);
316 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
318 STACK_OF(CONF_VALUE) *nval)
322 const int num = sk_CONF_VALUE_num(nval);
325 gens = sk_GENERAL_NAME_new_reserve(NULL, num);
327 X509V3err(X509V3_F_V2I_SUBJECT_ALT, ERR_R_MALLOC_FAILURE);
328 sk_GENERAL_NAME_free(gens);
332 for (i = 0; i < num; i++) {
333 cnf = sk_CONF_VALUE_value(nval, i);
334 if (!v3_name_cmp(cnf->name, "email")
335 && cnf->value && strcmp(cnf->value, "copy") == 0) {
336 if (!copy_email(ctx, gens, 0))
338 } else if (!v3_name_cmp(cnf->name, "email")
339 && cnf->value && strcmp(cnf->value, "move") == 0) {
340 if (!copy_email(ctx, gens, 1))
344 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
346 sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
351 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
356 * Copy any email addresses in a certificate or request to GENERAL_NAMES
359 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
362 ASN1_IA5STRING *email = NULL;
364 GENERAL_NAME *gen = NULL;
367 if (ctx != NULL && ctx->flags == CTX_TEST)
370 || (ctx->subject_cert == NULL && ctx->subject_req == NULL)) {
371 X509V3err(X509V3_F_COPY_EMAIL, X509V3_R_NO_SUBJECT_DETAILS);
374 /* Find the subject name */
375 if (ctx->subject_cert)
376 nm = X509_get_subject_name(ctx->subject_cert);
378 nm = X509_REQ_get_subject_name(ctx->subject_req);
380 /* Now add any email address(es) to STACK */
381 while ((i = X509_NAME_get_index_by_NID(nm,
382 NID_pkcs9_emailAddress, i)) >= 0) {
383 ne = X509_NAME_get_entry(nm, i);
384 email = ASN1_STRING_dup(X509_NAME_ENTRY_get_data(ne));
386 X509_NAME_delete_entry(nm, i);
387 X509_NAME_ENTRY_free(ne);
390 if (email == NULL || (gen = GENERAL_NAME_new()) == NULL) {
391 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
396 gen->type = GEN_EMAIL;
397 if (!sk_GENERAL_NAME_push(gens, gen)) {
398 X509V3err(X509V3_F_COPY_EMAIL, ERR_R_MALLOC_FAILURE);
407 GENERAL_NAME_free(gen);
408 ASN1_IA5STRING_free(email);
413 GENERAL_NAMES *v2i_GENERAL_NAMES(const X509V3_EXT_METHOD *method,
414 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
419 const int num = sk_CONF_VALUE_num(nval);
422 gens = sk_GENERAL_NAME_new_reserve(NULL, num);
424 X509V3err(X509V3_F_V2I_GENERAL_NAMES, ERR_R_MALLOC_FAILURE);
425 sk_GENERAL_NAME_free(gens);
429 for (i = 0; i < num; i++) {
430 cnf = sk_CONF_VALUE_value(nval, i);
431 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
433 sk_GENERAL_NAME_push(gens, gen); /* no failure as it was reserved */
437 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
441 GENERAL_NAME *v2i_GENERAL_NAME(const X509V3_EXT_METHOD *method,
442 X509V3_CTX *ctx, CONF_VALUE *cnf)
444 return v2i_GENERAL_NAME_ex(NULL, method, ctx, cnf, 0);
447 GENERAL_NAME *a2i_GENERAL_NAME(GENERAL_NAME *out,
448 const X509V3_EXT_METHOD *method,
449 X509V3_CTX *ctx, int gen_type, const char *value,
453 GENERAL_NAME *gen = NULL;
456 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_MISSING_VALUE);
463 gen = GENERAL_NAME_new();
465 X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE);
480 if ((obj = OBJ_txt2obj(value, 0)) == NULL) {
481 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_OBJECT);
482 ERR_add_error_data(2, "value=", value);
491 gen->d.ip = a2i_IPADDRESS_NC(value);
493 gen->d.ip = a2i_IPADDRESS(value);
494 if (gen->d.ip == NULL) {
495 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_BAD_IP_ADDRESS);
496 ERR_add_error_data(2, "value=", value);
502 if (!do_dirname(gen, value, ctx)) {
503 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_DIRNAME_ERROR);
509 if (!do_othername(gen, value, ctx)) {
510 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_OTHERNAME_ERROR);
515 X509V3err(X509V3_F_A2I_GENERAL_NAME, X509V3_R_UNSUPPORTED_TYPE);
520 if ((gen->d.ia5 = ASN1_IA5STRING_new()) == NULL ||
521 !ASN1_STRING_set(gen->d.ia5, (unsigned char *)value,
523 X509V3err(X509V3_F_A2I_GENERAL_NAME, ERR_R_MALLOC_FAILURE);
528 gen->type = gen_type;
534 GENERAL_NAME_free(gen);
538 GENERAL_NAME *v2i_GENERAL_NAME_ex(GENERAL_NAME *out,
539 const X509V3_EXT_METHOD *method,
540 X509V3_CTX *ctx, CONF_VALUE *cnf, int is_nc)
550 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_MISSING_VALUE);
554 if (!v3_name_cmp(name, "email"))
556 else if (!v3_name_cmp(name, "URI"))
558 else if (!v3_name_cmp(name, "DNS"))
560 else if (!v3_name_cmp(name, "RID"))
562 else if (!v3_name_cmp(name, "IP"))
564 else if (!v3_name_cmp(name, "dirName"))
566 else if (!v3_name_cmp(name, "otherName"))
567 type = GEN_OTHERNAME;
569 X509V3err(X509V3_F_V2I_GENERAL_NAME_EX, X509V3_R_UNSUPPORTED_OPTION);
570 ERR_add_error_data(2, "name=", name);
574 return a2i_GENERAL_NAME(out, method, ctx, type, value, is_nc);
578 static int do_othername(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx)
580 char *objtmp = NULL, *p;
583 if ((p = strchr(value, ';')) == NULL)
585 if ((gen->d.otherName = OTHERNAME_new()) == NULL)
588 * Free this up because we will overwrite it. no need to free type_id
589 * because it is static
591 ASN1_TYPE_free(gen->d.otherName->value);
592 if ((gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)) == NULL)
595 objtmp = OPENSSL_strndup(value, objlen);
598 gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
599 OPENSSL_free(objtmp);
600 if (!gen->d.otherName->type_id)
605 static int do_dirname(GENERAL_NAME *gen, const char *value, X509V3_CTX *ctx)
608 STACK_OF(CONF_VALUE) *sk = NULL;
611 if ((nm = X509_NAME_new()) == NULL)
613 sk = X509V3_get_section(ctx, value);
615 X509V3err(X509V3_F_DO_DIRNAME, X509V3_R_SECTION_NOT_FOUND);
616 ERR_add_error_data(2, "section=", value);
619 /* FIXME: should allow other character types... */
620 ret = X509V3_NAME_from_section(nm, sk, MBSTRING_ASC);
628 X509V3_section_free(ctx, sk);