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/*
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* Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "internal/cryptlib.h"
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#include <openssl/evp.h>
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#include <openssl/asn1t.h>
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#include <openssl/x509.h>
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#include "crypto/x509.h"
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/*
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* X509_CERT_AUX routines. These are used to encode additional user
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* modifiable data about a certificate. This data is appended to the X509
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* encoding when the *_X509_AUX routines are used. This means that the
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* "traditional" X509 routines 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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ASN1_SEQUENCE(X509_CERT_AUX) = {
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ASN1_SEQUENCE_OF_OPT(X509_CERT_AUX, trust, ASN1_OBJECT),
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ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, reject, ASN1_OBJECT, 0),
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ASN1_OPT(X509_CERT_AUX, alias, ASN1_UTF8STRING),
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ASN1_OPT(X509_CERT_AUX, keyid, ASN1_OCTET_STRING),
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ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, other, X509_ALGOR, 1)
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} ASN1_SEQUENCE_END(X509_CERT_AUX)
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IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_AUX)
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int X509_trusted(const X509 *x)
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{
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return x->aux ? 1 : 0;
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}
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static X509_CERT_AUX *aux_get(X509 *x)
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{
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if (x == NULL)
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return NULL;
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if (x->aux == NULL && (x->aux = X509_CERT_AUX_new()) == NULL)
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return NULL;
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return x->aux;
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}
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int 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)) == NULL)
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return 0;
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if (aux->alias == NULL && (aux->alias = ASN1_UTF8STRING_new()) == NULL)
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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 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)) == NULL)
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return 0;
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if (aux->keyid == NULL
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&& (aux->keyid = ASN1_OCTET_STRING_new()) == NULL)
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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 *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 *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 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 = NULL;
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if (obj) {
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objtmp = OBJ_dup(obj);
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if (!objtmp)
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return 0;
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}
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if ((aux = aux_get(x)) == NULL)
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goto err;
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if (aux->trust == NULL
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&& (aux->trust = sk_ASN1_OBJECT_new_null()) == NULL)
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goto err;
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if (!objtmp || sk_ASN1_OBJECT_push(aux->trust, objtmp))
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return 1;
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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 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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if ((objtmp = OBJ_dup(obj)) == NULL)
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return 0;
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if ((aux = aux_get(x)) == NULL)
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goto err;
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if (aux->reject == NULL
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&& (aux->reject = sk_ASN1_OBJECT_new_null()) == NULL)
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goto err;
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return sk_ASN1_OBJECT_push(aux->reject, objtmp);
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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 X509_trust_clear(X509 *x)
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{
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if (x->aux) {
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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 X509_reject_clear(X509 *x)
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{
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if (x->aux) {
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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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STACK_OF(ASN1_OBJECT) *X509_get0_trust_objects(X509 *x)
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{
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if (x->aux != NULL)
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return x->aux->trust;
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return NULL;
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}
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STACK_OF(ASN1_OBJECT) *X509_get0_reject_objects(X509 *x)
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{
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if (x->aux != NULL)
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return x->aux->reject;
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return NULL;
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}
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