crypto/asn1/x_x509a.c - third_party/openssl - Git at Google

 /* a_x509a.c */
 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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/asn1_mac.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);

 X509_CERT_AUX *d2i_X509_CERT_AUX(X509_CERT_AUX **a, unsigned char **pp, long length)
 {
 	M_ASN1_D2I_vars(a, X509_CERT_AUX *, X509_CERT_AUX_new);

 	M_ASN1_D2I_Init();
 	M_ASN1_D2I_start_sequence();

 	M_ASN1_D2I_get_seq_opt_type(ASN1_OBJECT, ret->trust,
 					d2i_ASN1_OBJECT, ASN1_OBJECT_free);
 	M_ASN1_D2I_get_IMP_set_opt_type(ASN1_OBJECT, ret->reject,
 					d2i_ASN1_OBJECT, ASN1_OBJECT_free, 0);
 	M_ASN1_D2I_get_opt(ret->alias, d2i_ASN1_UTF8STRING, V_ASN1_UTF8STRING);
 	M_ASN1_D2I_get_opt(ret->keyid, d2i_ASN1_OCTET_STRING, V_ASN1_OCTET_STRING);
 	M_ASN1_D2I_get_IMP_set_opt_type(X509_ALGOR, ret->other,
 					d2i_X509_ALGOR, X509_ALGOR_free, 1);

 	M_ASN1_D2I_Finish(a, X509_CERT_AUX_free, ASN1_F_D2I_X509_CERT_AUX);
 }

 X509_CERT_AUX *X509_CERT_AUX_new()
 {
 	X509_CERT_AUX *ret = NULL;
 	ASN1_CTX c;
 	M_ASN1_New_Malloc(ret, X509_CERT_AUX);
 	ret->trust = NULL;
 	ret->reject = NULL;
 	ret->alias = NULL;
 	ret->keyid = NULL;
 	ret->other = NULL;
 	return(ret);
 	M_ASN1_New_Error(ASN1_F_X509_CERT_AUX_NEW);
 }

 void X509_CERT_AUX_free(X509_CERT_AUX *a)
 {
 	if(a == NULL) return;
 	sk_ASN1_OBJECT_pop_free(a->trust, ASN1_OBJECT_free);
 	sk_ASN1_OBJECT_pop_free(a->reject, ASN1_OBJECT_free);
 	ASN1_UTF8STRING_free(a->alias);
 	ASN1_OCTET_STRING_free(a->keyid);
 	sk_X509_ALGOR_pop_free(a->other, X509_ALGOR_free);
 	OPENSSL_free(a);
 }

 int i2d_X509_CERT_AUX(X509_CERT_AUX *a, unsigned char **pp)
 {
 	M_ASN1_I2D_vars(a);

 	M_ASN1_I2D_len_SEQUENCE_opt_type(ASN1_OBJECT, a->trust, i2d_ASN1_OBJECT);
 	M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->reject, i2d_ASN1_OBJECT, 0);

 	M_ASN1_I2D_len(a->alias, i2d_ASN1_UTF8STRING);
 	M_ASN1_I2D_len(a->keyid, i2d_ASN1_OCTET_STRING);
 	M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(X509_ALGOR, a->other, i2d_X509_ALGOR, 1);

 	M_ASN1_I2D_seq_total();

 	M_ASN1_I2D_put_SEQUENCE_opt_type(ASN1_OBJECT, a->trust, i2d_ASN1_OBJECT);
 	M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->reject, i2d_ASN1_OBJECT, 0);

 	M_ASN1_I2D_put(a->alias, i2d_ASN1_UTF8STRING);
 	M_ASN1_I2D_put(a->keyid, i2d_ASN1_OCTET_STRING);
 	M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(X509_ALGOR, a->other, i2d_X509_ALGOR, 1);

 	M_ASN1_I2D_finish();
 }

 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(!(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(!(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;
 }

 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;
 	}
 }
	/* a_x509a.c */
	/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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/asn1_mac.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);

	X509_CERT_AUX d2i_X509_CERT_AUX(X509_CERT_AUX a, unsigned char *pp, long length)
	{
	M_ASN1_D2I_vars(a, X509_CERT_AUX *, X509_CERT_AUX_new);

	M_ASN1_D2I_Init();
	M_ASN1_D2I_start_sequence();

	M_ASN1_D2I_get_seq_opt_type(ASN1_OBJECT, ret->trust,
	d2i_ASN1_OBJECT, ASN1_OBJECT_free);
	M_ASN1_D2I_get_IMP_set_opt_type(ASN1_OBJECT, ret->reject,
	d2i_ASN1_OBJECT, ASN1_OBJECT_free, 0);
	M_ASN1_D2I_get_opt(ret->alias, d2i_ASN1_UTF8STRING, V_ASN1_UTF8STRING);
	M_ASN1_D2I_get_opt(ret->keyid, d2i_ASN1_OCTET_STRING, V_ASN1_OCTET_STRING);
	M_ASN1_D2I_get_IMP_set_opt_type(X509_ALGOR, ret->other,
	d2i_X509_ALGOR, X509_ALGOR_free, 1);

	M_ASN1_D2I_Finish(a, X509_CERT_AUX_free, ASN1_F_D2I_X509_CERT_AUX);
	}

	X509_CERT_AUX *X509_CERT_AUX_new()
	{
	X509_CERT_AUX *ret = NULL;
	ASN1_CTX c;
	M_ASN1_New_Malloc(ret, X509_CERT_AUX);
	ret->trust = NULL;
	ret->reject = NULL;
	ret->alias = NULL;
	ret->keyid = NULL;
	ret->other = NULL;
	return(ret);
	M_ASN1_New_Error(ASN1_F_X509_CERT_AUX_NEW);
	}

	void X509_CERT_AUX_free(X509_CERT_AUX *a)
	{
	if(a == NULL) return;
	sk_ASN1_OBJECT_pop_free(a->trust, ASN1_OBJECT_free);
	sk_ASN1_OBJECT_pop_free(a->reject, ASN1_OBJECT_free);
	ASN1_UTF8STRING_free(a->alias);
	ASN1_OCTET_STRING_free(a->keyid);
	sk_X509_ALGOR_pop_free(a->other, X509_ALGOR_free);
	OPENSSL_free(a);
	}

	int i2d_X509_CERT_AUX(X509_CERT_AUX a, unsigned char *pp)
	{
	M_ASN1_I2D_vars(a);

	M_ASN1_I2D_len_SEQUENCE_opt_type(ASN1_OBJECT, a->trust, i2d_ASN1_OBJECT);
	M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->reject, i2d_ASN1_OBJECT, 0);

	M_ASN1_I2D_len(a->alias, i2d_ASN1_UTF8STRING);
	M_ASN1_I2D_len(a->keyid, i2d_ASN1_OCTET_STRING);
	M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(X509_ALGOR, a->other, i2d_X509_ALGOR, 1);

	M_ASN1_I2D_seq_total();

	M_ASN1_I2D_put_SEQUENCE_opt_type(ASN1_OBJECT, a->trust, i2d_ASN1_OBJECT);
	M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->reject, i2d_ASN1_OBJECT, 0);

	M_ASN1_I2D_put(a->alias, i2d_ASN1_UTF8STRING);
	M_ASN1_I2D_put(a->keyid, i2d_ASN1_OCTET_STRING);
	M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(X509_ALGOR, a->other, i2d_X509_ALGOR, 1);

	M_ASN1_I2D_finish();
	}

	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(!(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(!(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;
	}

	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;
	}
	}