--- /dev/null
+/* a_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 "cryptlib.h"
+#include <openssl/evp.h>
+#include <openssl/asn1t.h>
+#include <openssl/x509.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_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, other, X509_ALGOR, 1)
+} ASN1_SEQUENCE_END(X509_CERT_AUX)
+
+IMPLEMENT_ASN1_FUNCTIONS(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, unsigned char *name, int len)
+{
+ X509_CERT_AUX *aux;
+ 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, unsigned char *id, int len)
+{
+ X509_CERT_AUX *aux;
+ 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);
+}
+
+unsigned char *X509_alias_get0(X509 *x, int *len)
+{
+ if(!x->aux || !x->aux->alias) return NULL;
+ if(len) *len = x->aux->alias->length;
+ return x->aux->alias->data;
+}
+
+unsigned char *X509_keyid_get0(X509 *x, int *len)
+{
+ if(!x->aux || !x->aux->keyid) return NULL;
+ if(len) *len = x->aux->keyid->length;
+ return x->aux->keyid->data;
+}
+
+int X509_add1_trust_object(X509 *x, ASN1_OBJECT *obj)
+{
+ X509_CERT_AUX *aux;
+ ASN1_OBJECT *objtmp;
+ if(!(objtmp = OBJ_dup(obj))) return 0;
+ if(!(aux = aux_get(x))) return 0;
+ if(!aux->trust
+ && !(aux->trust = sk_ASN1_OBJECT_new_null())) return 0;
+ return sk_ASN1_OBJECT_push(aux->trust, objtmp);
+}
+
+int X509_add1_reject_object(X509 *x, ASN1_OBJECT *obj)
+{
+ X509_CERT_AUX *aux;
+ ASN1_OBJECT *objtmp;
+ if(!(objtmp = OBJ_dup(obj))) return 0;
+ if(!(aux = aux_get(x))) return 0;
+ if(!aux->reject
+ && !(aux->reject = sk_ASN1_OBJECT_new_null())) return 0;
+ return sk_ASN1_OBJECT_push(aux->reject, objtmp);
+}
+
+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;
+ }
+}
+
+ASN1_SEQUENCE(X509_CERT_PAIR) = {
+ ASN1_EXP_OPT(X509_CERT_PAIR, forward, X509, 0),
+ ASN1_EXP_OPT(X509_CERT_PAIR, reverse, X509, 1)
+} ASN1_SEQUENCE_END(X509_CERT_PAIR)
+
+IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_PAIR)
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