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275 lines
7.1 KiB
C
Executable File
275 lines
7.1 KiB
C
Executable File
/* $OpenBSD: x_x509a.c,v 1.18 2021/12/25 13:17:48 jsing Exp $ */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project 1999.
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*/
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/* ====================================================================
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* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#include <openssl/asn1t.h>
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#include <openssl/evp.h>
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#include <openssl/x509.h>
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#include "x509_lcl.h"
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/* X509_CERT_AUX routines. These are used to encode additional
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* user modifiable data about a certificate. This data is
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* appended to the X509 encoding when the *_X509_AUX routines
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* are used. This means that the "traditional" X509 routines
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* will simply ignore the extra data.
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*/
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static X509_CERT_AUX *aux_get(X509 *x);
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static const ASN1_TEMPLATE X509_CERT_AUX_seq_tt[] = {
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{
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.flags = ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
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.offset = offsetof(X509_CERT_AUX, trust),
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.field_name = "trust",
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.item = &ASN1_OBJECT_it,
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},
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{
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.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF |
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ASN1_TFLG_OPTIONAL,
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.tag = 0,
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.offset = offsetof(X509_CERT_AUX, reject),
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.field_name = "reject",
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.item = &ASN1_OBJECT_it,
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},
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{
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.flags = ASN1_TFLG_OPTIONAL,
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.offset = offsetof(X509_CERT_AUX, alias),
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.field_name = "alias",
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.item = &ASN1_UTF8STRING_it,
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},
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{
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.flags = ASN1_TFLG_OPTIONAL,
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.offset = offsetof(X509_CERT_AUX, keyid),
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.field_name = "keyid",
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.item = &ASN1_OCTET_STRING_it,
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},
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{
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.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF |
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ASN1_TFLG_OPTIONAL,
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.tag = 1,
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.offset = offsetof(X509_CERT_AUX, other),
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.field_name = "other",
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.item = &X509_ALGOR_it,
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},
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};
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const ASN1_ITEM X509_CERT_AUX_it = {
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.itype = ASN1_ITYPE_SEQUENCE,
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.utype = V_ASN1_SEQUENCE,
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.templates = X509_CERT_AUX_seq_tt,
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.tcount = sizeof(X509_CERT_AUX_seq_tt) / sizeof(ASN1_TEMPLATE),
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.size = sizeof(X509_CERT_AUX),
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.sname = "X509_CERT_AUX",
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};
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X509_CERT_AUX *
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d2i_X509_CERT_AUX(X509_CERT_AUX **a, const unsigned char **in, long len)
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{
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return (X509_CERT_AUX *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
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&X509_CERT_AUX_it);
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}
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int
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i2d_X509_CERT_AUX(X509_CERT_AUX *a, unsigned char **out)
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{
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return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_CERT_AUX_it);
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}
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X509_CERT_AUX *
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X509_CERT_AUX_new(void)
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{
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return (X509_CERT_AUX *)ASN1_item_new(&X509_CERT_AUX_it);
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}
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void
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X509_CERT_AUX_free(X509_CERT_AUX *a)
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{
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ASN1_item_free((ASN1_VALUE *)a, &X509_CERT_AUX_it);
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}
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static X509_CERT_AUX *
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aux_get(X509 *x)
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{
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if (!x)
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return NULL;
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if (!x->aux && !(x->aux = X509_CERT_AUX_new()))
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return NULL;
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return x->aux;
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}
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int
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X509_alias_set1(X509 *x, const unsigned char *name, int len)
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{
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X509_CERT_AUX *aux;
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if (!name) {
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if (!x || !x->aux || !x->aux->alias)
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return 1;
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ASN1_UTF8STRING_free(x->aux->alias);
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x->aux->alias = NULL;
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return 1;
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}
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if (!(aux = aux_get(x)))
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return 0;
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if (!aux->alias && !(aux->alias = ASN1_UTF8STRING_new()))
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return 0;
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return ASN1_STRING_set(aux->alias, name, len);
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}
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int
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X509_keyid_set1(X509 *x, const unsigned char *id, int len)
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{
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X509_CERT_AUX *aux;
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if (!id) {
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if (!x || !x->aux || !x->aux->keyid)
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return 1;
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ASN1_OCTET_STRING_free(x->aux->keyid);
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x->aux->keyid = NULL;
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return 1;
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}
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if (!(aux = aux_get(x)))
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return 0;
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if (!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new()))
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return 0;
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return ASN1_STRING_set(aux->keyid, id, len);
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}
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unsigned char *
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X509_alias_get0(X509 *x, int *len)
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{
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if (!x->aux || !x->aux->alias)
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return NULL;
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if (len)
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*len = x->aux->alias->length;
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return x->aux->alias->data;
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}
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unsigned char *
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X509_keyid_get0(X509 *x, int *len)
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{
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if (!x->aux || !x->aux->keyid)
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return NULL;
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if (len)
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*len = x->aux->keyid->length;
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return x->aux->keyid->data;
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}
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int
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X509_add1_trust_object(X509 *x, const ASN1_OBJECT *obj)
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{
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X509_CERT_AUX *aux;
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ASN1_OBJECT *objtmp;
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int rc;
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if (!(objtmp = OBJ_dup(obj)))
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return 0;
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if (!(aux = aux_get(x)))
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goto err;
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if (!aux->trust && !(aux->trust = sk_ASN1_OBJECT_new_null()))
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goto err;
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rc = sk_ASN1_OBJECT_push(aux->trust, objtmp);
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if (rc != 0)
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return rc;
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err:
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ASN1_OBJECT_free(objtmp);
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return 0;
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}
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int
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X509_add1_reject_object(X509 *x, const ASN1_OBJECT *obj)
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{
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X509_CERT_AUX *aux;
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ASN1_OBJECT *objtmp;
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int rc;
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if (!(objtmp = OBJ_dup(obj)))
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return 0;
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if (!(aux = aux_get(x)))
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goto err;
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if (!aux->reject && !(aux->reject = sk_ASN1_OBJECT_new_null()))
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goto err;
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rc = sk_ASN1_OBJECT_push(aux->reject, objtmp);
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if (rc != 0)
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return rc;
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err:
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ASN1_OBJECT_free(objtmp);
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return 0;
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}
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void
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X509_trust_clear(X509 *x)
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{
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if (x->aux && x->aux->trust) {
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sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free);
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x->aux->trust = NULL;
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}
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}
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void
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X509_reject_clear(X509 *x)
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{
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if (x->aux && x->aux->reject) {
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sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free);
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x->aux->reject = NULL;
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}
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}
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