GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/asn1/x_algor.c Lines: 32 48 66.7 %
Date: 2017-11-07 Branches: 18 34 52.9 %

Line Branch Exec Source
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/* $OpenBSD: x_algor.c,v 1.21 2015/07/24 15:09:52 jsing Exp $ */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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 * project 2000.
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 */
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/* ====================================================================
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 * Copyright (c) 2000 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 <stddef.h>
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#include <openssl/x509.h>
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#include <openssl/asn1.h>
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#include <openssl/asn1t.h>
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static const ASN1_TEMPLATE X509_ALGOR_seq_tt[] = {
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	{
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		.offset = offsetof(X509_ALGOR, algorithm),
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		.field_name = "algorithm",
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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_ALGOR, parameter),
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		.field_name = "parameter",
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		.item = &ASN1_ANY_it,
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	},
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};
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const ASN1_ITEM X509_ALGOR_it = {
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	.itype = ASN1_ITYPE_SEQUENCE,
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	.utype = V_ASN1_SEQUENCE,
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	.templates = X509_ALGOR_seq_tt,
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	.tcount = sizeof(X509_ALGOR_seq_tt) / sizeof(ASN1_TEMPLATE),
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	.size = sizeof(X509_ALGOR),
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	.sname = "X509_ALGOR",
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};
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static const ASN1_TEMPLATE X509_ALGORS_item_tt = {
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	.flags = ASN1_TFLG_SEQUENCE_OF,
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	.tag = 0,
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	.offset = 0,
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	.field_name = "algorithms",
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	.item = &X509_ALGOR_it,
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};
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const ASN1_ITEM X509_ALGORS_it = {
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	.itype = ASN1_ITYPE_PRIMITIVE,
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	.utype = -1,
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	.templates = &X509_ALGORS_item_tt,
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	.tcount = 0,
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	.funcs = NULL,
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	.size = 0,
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	.sname = "X509_ALGORS",
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};
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X509_ALGOR *
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d2i_X509_ALGOR(X509_ALGOR **a, const unsigned char **in, long len)
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{
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	return (X509_ALGOR *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
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	    &X509_ALGOR_it);
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}
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int
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i2d_X509_ALGOR(X509_ALGOR *a, unsigned char **out)
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{
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	return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_ALGOR_it);
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}
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X509_ALGOR *
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X509_ALGOR_new(void)
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{
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	return (X509_ALGOR *)ASN1_item_new(&X509_ALGOR_it);
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}
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void
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X509_ALGOR_free(X509_ALGOR *a)
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{
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	ASN1_item_free((ASN1_VALUE *)a, &X509_ALGOR_it);
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}
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X509_ALGORS *
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d2i_X509_ALGORS(X509_ALGORS **a, const unsigned char **in, long len)
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{
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	return (X509_ALGORS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
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	    &X509_ALGORS_it);
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}
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int
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i2d_X509_ALGORS(X509_ALGORS *a, unsigned char **out)
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{
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	return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_ALGORS_it);
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}
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X509_ALGOR *
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X509_ALGOR_dup(X509_ALGOR *x)
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{
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	return ASN1_item_dup(&X509_ALGOR_it, x);
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}
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int
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X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype, void *pval)
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{
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	if (!alg)
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		return 0;
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	if (ptype != V_ASN1_UNDEF) {
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		if (alg->parameter == NULL)
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			alg->parameter = ASN1_TYPE_new();
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		if (alg->parameter == NULL)
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			return 0;
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	}
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	if (alg) {
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		if (alg->algorithm)
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			ASN1_OBJECT_free(alg->algorithm);
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		alg->algorithm = aobj;
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	}
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	if (ptype == 0)
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		return 1;
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	if (ptype == V_ASN1_UNDEF) {
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		if (alg->parameter) {
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			ASN1_TYPE_free(alg->parameter);
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			alg->parameter = NULL;
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		}
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	} else
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		ASN1_TYPE_set(alg->parameter, ptype, pval);
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	return 1;
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}
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void
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X509_ALGOR_get0(ASN1_OBJECT **paobj, int *pptype, void **ppval,
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    X509_ALGOR *algor)
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{
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	if (paobj)
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		*paobj = algor->algorithm;
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	if (pptype) {
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		if (algor->parameter == NULL) {
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			*pptype = V_ASN1_UNDEF;
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			return;
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		} else
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			*pptype = algor->parameter->type;
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		if (ppval)
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			*ppval = algor->parameter->value.ptr;
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	}
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}
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/* Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD */
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void
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X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md)
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{
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	int param_type;
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	if (md->flags & EVP_MD_FLAG_DIGALGID_ABSENT)
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		param_type = V_ASN1_UNDEF;
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	else
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		param_type = V_ASN1_NULL;
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	X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL);
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}
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/* Returns 0 if they are equal, != 0 otherwise. */
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int
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X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b)
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{
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	int rv = OBJ_cmp(a->algorithm, b->algorithm);
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	if (!rv) {
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		if (!a->parameter && !b->parameter)
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			rv = 0;
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		else
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			rv = ASN1_TYPE_cmp(a->parameter, b->parameter);
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	}
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	return(rv);
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}