ref: 009439541d2c6e8af2596f8fb1b4df85861fd212
dir: /third_party/boringssl/src/crypto/x509/x_x509a.c/
/*
* 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/evp.h>
#include <openssl/obj.h>
#include <openssl/x509.h>
#include "internal.h"
// X509_CERT_AUX routines. These are used to encode additional user
// modifiable data about a certificate. This data is appended to the X509
// encoding when the *_X509_AUX routines are used. This means that the
// "traditional" X509 routines will simply ignore the extra data.
static X509_CERT_AUX *aux_get(X509 *x);
ASN1_SEQUENCE(X509_CERT_AUX) = {
ASN1_SEQUENCE_OF_OPT(X509_CERT_AUX, trust, ASN1_OBJECT),
ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, reject, ASN1_OBJECT, 0),
ASN1_OPT(X509_CERT_AUX, alias, ASN1_UTF8STRING),
ASN1_OPT(X509_CERT_AUX, keyid, ASN1_OCTET_STRING),
} ASN1_SEQUENCE_END(X509_CERT_AUX)
IMPLEMENT_ASN1_FUNCTIONS_const(X509_CERT_AUX)
static X509_CERT_AUX *aux_get(X509 *x) {
if (!x) {
return NULL;
}
if (!x->aux && !(x->aux = X509_CERT_AUX_new())) {
return NULL;
}
return x->aux;
}
int X509_alias_set1(X509 *x, const uint8_t *name, ossl_ssize_t len) {
X509_CERT_AUX *aux;
// TODO(davidben): Empty aliases are not meaningful in PKCS#12, and the
// getters cannot quite represent them. Also erase the object if |len| is
// zero.
if (!name) {
if (!x || !x->aux || !x->aux->alias) {
return 1;
}
ASN1_UTF8STRING_free(x->aux->alias);
x->aux->alias = NULL;
return 1;
}
if (!(aux = aux_get(x))) {
return 0;
}
if (!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) {
return 0;
}
return ASN1_STRING_set(aux->alias, name, len);
}
int X509_keyid_set1(X509 *x, const uint8_t *id, ossl_ssize_t len) {
X509_CERT_AUX *aux;
// TODO(davidben): Empty key IDs are not meaningful in PKCS#12, and the
// getters cannot quite represent them. Also erase the object if |len| is
// zero.
if (!id) {
if (!x || !x->aux || !x->aux->keyid) {
return 1;
}
ASN1_OCTET_STRING_free(x->aux->keyid);
x->aux->keyid = NULL;
return 1;
}
if (!(aux = aux_get(x))) {
return 0;
}
if (!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new())) {
return 0;
}
return ASN1_STRING_set(aux->keyid, id, len);
}
const uint8_t *X509_alias_get0(const X509 *x, int *out_len) {
const ASN1_UTF8STRING *alias = x->aux != NULL ? x->aux->alias : NULL;
if (out_len != NULL) {
*out_len = alias != NULL ? alias->length : 0;
}
return alias != NULL ? alias->data : NULL;
}
const uint8_t *X509_keyid_get0(const X509 *x, int *out_len) {
const ASN1_OCTET_STRING *keyid = x->aux != NULL ? x->aux->keyid : NULL;
if (out_len != NULL) {
*out_len = keyid != NULL ? keyid->length : 0;
}
return keyid != NULL ? keyid->data : NULL;
}
int X509_add1_trust_object(X509 *x, const ASN1_OBJECT *obj) {
ASN1_OBJECT *objtmp = OBJ_dup(obj);
if (objtmp == NULL) {
goto err;
}
X509_CERT_AUX *aux = aux_get(x);
if (aux->trust == NULL) {
aux->trust = sk_ASN1_OBJECT_new_null();
if (aux->trust == NULL) {
goto err;
}
}
if (!sk_ASN1_OBJECT_push(aux->trust, objtmp)) {
goto err;
}
return 1;
err:
ASN1_OBJECT_free(objtmp);
return 0;
}
int X509_add1_reject_object(X509 *x, const ASN1_OBJECT *obj) {
ASN1_OBJECT *objtmp = OBJ_dup(obj);
if (objtmp == NULL) {
goto err;
}
X509_CERT_AUX *aux = aux_get(x);
if (aux->reject == NULL) {
aux->reject = sk_ASN1_OBJECT_new_null();
if (aux->reject == NULL) {
goto err;
}
}
if (!sk_ASN1_OBJECT_push(aux->reject, objtmp)) {
goto err;
}
return 1;
err:
ASN1_OBJECT_free(objtmp);
return 0;
}
void X509_trust_clear(X509 *x) {
if (x->aux && x->aux->trust) {
sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free);
x->aux->trust = NULL;
}
}
void X509_reject_clear(X509 *x) {
if (x->aux && x->aux->reject) {
sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free);
x->aux->reject = NULL;
}
}