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/* $OpenBSD: x509_extku.c,v 1.1 2020/06/04 15:19:31 jsing Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 1999.
*/
/* ====================================================================
* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include <openssl/asn1t.h>
#include <openssl/conf.h>
#include <openssl/err.h>
#include <openssl/x509v3.h>
static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(
const X509V3_EXT_METHOD *method, void *eku, STACK_OF(CONF_VALUE) *extlist);
const X509V3_EXT_METHOD v3_ext_ku = {
.ext_nid = NID_ext_key_usage,
.ext_flags = 0,
.it = &EXTENDED_KEY_USAGE_it,
.ext_new = NULL,
.ext_free = NULL,
.d2i = NULL,
.i2d = NULL,
.i2s = NULL,
.s2i = NULL,
.i2v = i2v_EXTENDED_KEY_USAGE,
.v2i = v2i_EXTENDED_KEY_USAGE,
.i2r = NULL,
.r2i = NULL,
.usr_data = NULL,
};
/* NB OCSP acceptable responses also is a SEQUENCE OF OBJECT */
const X509V3_EXT_METHOD v3_ocsp_accresp = {
.ext_nid = NID_id_pkix_OCSP_acceptableResponses,
.ext_flags = 0,
.it = &EXTENDED_KEY_USAGE_it,
.ext_new = NULL,
.ext_free = NULL,
.d2i = NULL,
.i2d = NULL,
.i2s = NULL,
.s2i = NULL,
.i2v = i2v_EXTENDED_KEY_USAGE,
.v2i = v2i_EXTENDED_KEY_USAGE,
.i2r = NULL,
.r2i = NULL,
.usr_data = NULL,
};
static const ASN1_TEMPLATE EXTENDED_KEY_USAGE_item_tt = {
.flags = ASN1_TFLG_SEQUENCE_OF,
.tag = 0,
.offset = 0,
.field_name = "EXTENDED_KEY_USAGE",
.item = &ASN1_OBJECT_it,
};
const ASN1_ITEM EXTENDED_KEY_USAGE_it = {
.itype = ASN1_ITYPE_PRIMITIVE,
.utype = -1,
.templates = &EXTENDED_KEY_USAGE_item_tt,
.tcount = 0,
.funcs = NULL,
.size = 0,
.sname = "EXTENDED_KEY_USAGE",
};
EXTENDED_KEY_USAGE *
d2i_EXTENDED_KEY_USAGE(EXTENDED_KEY_USAGE **a, const unsigned char **in, long len)
{
return (EXTENDED_KEY_USAGE *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
&EXTENDED_KEY_USAGE_it);
}
int
i2d_EXTENDED_KEY_USAGE(EXTENDED_KEY_USAGE *a, unsigned char **out)
{
return ASN1_item_i2d((ASN1_VALUE *)a, out, &EXTENDED_KEY_USAGE_it);
}
EXTENDED_KEY_USAGE *
EXTENDED_KEY_USAGE_new(void)
{
return (EXTENDED_KEY_USAGE *)ASN1_item_new(&EXTENDED_KEY_USAGE_it);
}
void
EXTENDED_KEY_USAGE_free(EXTENDED_KEY_USAGE *a)
{
ASN1_item_free((ASN1_VALUE *)a, &EXTENDED_KEY_USAGE_it);
}
static STACK_OF(CONF_VALUE) *
i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, void *a,
STACK_OF(CONF_VALUE) *extlist)
{
ASN1_OBJECT *obj;
EXTENDED_KEY_USAGE *eku = a;
STACK_OF(CONF_VALUE) *free_extlist = NULL;
char obj_tmp[80];
int i;
if (extlist == NULL) {
if ((free_extlist = extlist = sk_CONF_VALUE_new_null()) == NULL)
return NULL;
}
for (i = 0; i < sk_ASN1_OBJECT_num(eku); i++) {
if ((obj = sk_ASN1_OBJECT_value(eku, i)) == NULL)
goto err;
if (!i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, obj))
goto err;
if (!X509V3_add_value(NULL, obj_tmp, &extlist))
goto err;
}
return extlist;
err:
sk_CONF_VALUE_pop_free(free_extlist, X509V3_conf_free);
return NULL;
}
static void *
v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
STACK_OF(CONF_VALUE) *nval)
{
EXTENDED_KEY_USAGE *extku;
char *extval;
ASN1_OBJECT *objtmp;
CONF_VALUE *val;
int i;
if (!(extku = sk_ASN1_OBJECT_new_null())) {
X509V3error(ERR_R_MALLOC_FAILURE);
return NULL;
}
for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
val = sk_CONF_VALUE_value(nval, i);
if (val->value)
extval = val->value;
else
extval = val->name;
if (!(objtmp = OBJ_txt2obj(extval, 0))) {
sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free);
X509V3error(X509V3_R_INVALID_OBJECT_IDENTIFIER);
X509V3_conf_err(val);
return NULL;
}
if (sk_ASN1_OBJECT_push(extku, objtmp) == 0) {
ASN1_OBJECT_free(objtmp);
sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free);
X509V3error(ERR_R_MALLOC_FAILURE);
return NULL;
}
}
return extku;
}
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