Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/dh/dh_asn1.c	Lines:	10	18	55.6 %
Date:	2017-11-07	Branches:	4	6	66.7 %


/* $OpenBSD: dh_asn1.c,v 1.10 2016/12/30 15:26:49 jsing Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 * project 2000.
 */
/* ====================================================================
 * Copyright (c) 2000-2005 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 <openssl/asn1t.h>
#include <openssl/bn.h>
#include <openssl/dh.h>
#include <openssl/objects.h>

/* Override the default free and new methods */
static int
dh_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
{
	if (operation == ASN1_OP_NEW_PRE) {
		*pval = (ASN1_VALUE *)DH_new();
		if (*pval)
			return 2;
		return 0;
	} else if (operation == ASN1_OP_FREE_PRE) {
		DH_free((DH *)*pval);
		*pval = NULL;
		return 2;
	}
	return 1;
}

static const ASN1_AUX DHparams_aux = {
	.app_data = NULL,
	.flags = 0,
	.ref_offset = 0,
	.ref_lock = 0,
	.asn1_cb = dh_cb,
	.enc_offset = 0,
};
static const ASN1_TEMPLATE DHparams_seq_tt[] = {
	{
		.flags = 0,
		.tag = 0,
		.offset = offsetof(DH, p),
		.field_name = "p",
		.item = &BIGNUM_it,
	},
	{
		.flags = 0,
		.tag = 0,
		.offset = offsetof(DH, g),
		.field_name = "g",
		.item = &BIGNUM_it,
	},
	{
		.flags = ASN1_TFLG_OPTIONAL,
		.tag = 0,
		.offset = offsetof(DH, length),
		.field_name = "length",
		.item = &ZLONG_it,
	},
};

const ASN1_ITEM DHparams_it = {
	.itype = ASN1_ITYPE_SEQUENCE,
	.utype = V_ASN1_SEQUENCE,
	.templates = DHparams_seq_tt,
	.tcount = sizeof(DHparams_seq_tt) / sizeof(ASN1_TEMPLATE),
	.funcs = &DHparams_aux,
	.size = sizeof(DH),
	.sname = "DH",
};


DH *
d2i_DHparams(DH **a, const unsigned char **in, long len)
{
	return (DH *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
	    &DHparams_it);
}

int
i2d_DHparams(const DH *a, unsigned char **out)
{
	return ASN1_item_i2d((ASN1_VALUE *)a, out, &DHparams_it);
}

DH *
d2i_DHparams_bio(BIO *bp, DH **a)
{
	return ASN1_item_d2i_bio(&DHparams_it, bp, a);
}

int
i2d_DHparams_bio(BIO *bp, DH *a)
{
	return ASN1_item_i2d_bio(&DHparams_it, bp, a);
}

DH *
d2i_DHparams_fp(FILE *fp, DH **a)
{
	return ASN1_item_d2i_fp(&DHparams_it, fp, a);
}

int
i2d_DHparams_fp(FILE *fp, DH *a)
{
	return ASN1_item_i2d_fp(&DHparams_it, fp, a);
}

DH *
DHparams_dup(DH *dh)
{
	return ASN1_item_dup(&DHparams_it, dh);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: dh_asn1.c,v 1.10 2016/12/30 15:26:49 jsing Exp $ */
2			/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3			* project 2000.
4			*/
5			/* ====================================================================
6			* Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			*
12			* 1. Redistributions of source code must retain the above copyright
13			* notice, this list of conditions and the following disclaimer.
14			*
15			* 2. Redistributions in binary form must reproduce the above copyright
16			* notice, this list of conditions and the following disclaimer in
17			* the documentation and/or other materials provided with the
18			* distribution.
19			*
20			* 3. All advertising materials mentioning features or use of this
21			* software must display the following acknowledgment:
22			* "This product includes software developed by the OpenSSL Project
23			* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24			*
25			* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26			* endorse or promote products derived from this software without
27			* prior written permission. For written permission, please contact
28			* licensing@OpenSSL.org.
29			*
30			* 5. Products derived from this software may not be called "OpenSSL"
31			* nor may "OpenSSL" appear in their names without prior written
32			* permission of the OpenSSL Project.
33			*
34			* 6. Redistributions of any form whatsoever must retain the following
35			* acknowledgment:
36			* "This product includes software developed by the OpenSSL Project
37			* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38			*
39			* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40			* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42			* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46			* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48			* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50			* OF THE POSSIBILITY OF SUCH DAMAGE.
51			* ====================================================================
52			*
53			* This product includes cryptographic software written by Eric Young
54			* (eay@cryptsoft.com). This product includes software written by Tim
55			* Hudson (tjh@cryptsoft.com).
56			*
57			*/
58
59			#include <stdio.h>
60
61			#include <openssl/asn1t.h>
62			#include <openssl/bn.h>
63			#include <openssl/dh.h>
64			#include <openssl/objects.h>
65
66			/* Override the default free and new methods */
67			static int
68			dh_cb(int operation, ASN1_VALUE *pval, const ASN1_ITEM it, void *exarg)
69			{
70	✓✓	15336	if (operation == ASN1_OP_NEW_PRE) {
71		1866	pval = (ASN1_VALUE )DH_new();
72	✓✗	1866	if (*pval)
73		1866	return 2;
74			return 0;
75	✗✓	5802	} else if (operation == ASN1_OP_FREE_PRE) {
76			DH_free((DH )pval);
77			*pval = NULL;
78			return 2;
79			}
80		5802	return 1;
81		7668	}
82
83			static const ASN1_AUX DHparams_aux = {
84			.app_data = NULL,
85			.flags = 0,
86			.ref_offset = 0,
87			.ref_lock = 0,
88			.asn1_cb = dh_cb,
89			.enc_offset = 0,
90			};
91			static const ASN1_TEMPLATE DHparams_seq_tt[] = {
92			{
93			.flags = 0,
94			.tag = 0,
95			.offset = offsetof(DH, p),
96			.field_name = "p",
97			.item = &BIGNUM_it,
98			},
99			{
100			.flags = 0,
101			.tag = 0,
102			.offset = offsetof(DH, g),
103			.field_name = "g",
104			.item = &BIGNUM_it,
105			},
106			{
107			.flags = ASN1_TFLG_OPTIONAL,
108			.tag = 0,
109			.offset = offsetof(DH, length),
110			.field_name = "length",
111			.item = &ZLONG_it,
112			},
113			};
114
115			const ASN1_ITEM DHparams_it = {
116			.itype = ASN1_ITYPE_SEQUENCE,
117			.utype = V_ASN1_SEQUENCE,
118			.templates = DHparams_seq_tt,
119			.tcount = sizeof(DHparams_seq_tt) / sizeof(ASN1_TEMPLATE),
120			.funcs = &DHparams_aux,
121			.size = sizeof(DH),
122			.sname = "DH",
123			};
124
125
126			DH *
127			d2i_DHparams(DH a, const unsigned char in, long len)
128			{
129		2384	return (DH )ASN1_item_d2i((ASN1_VALUE *)a, in, len,
130			&DHparams_it);
131			}
132
133			int
134			i2d_DHparams(const DH a, unsigned char *out)
135			{
136		56	return ASN1_item_i2d((ASN1_VALUE *)a, out, &DHparams_it);
137			}
138
139			DH *
140			d2i_DHparams_bio(BIO bp, DH *a)
141			{
142			return ASN1_item_d2i_bio(&DHparams_it, bp, a);
143			}
144
145			int
146			i2d_DHparams_bio(BIO bp, DH a)
147			{
148			return ASN1_item_i2d_bio(&DHparams_it, bp, a);
149			}
150
151			DH *
152			d2i_DHparams_fp(FILE fp, DH *a)
153			{
154			return ASN1_item_d2i_fp(&DHparams_it, fp, a);
155			}
156
157			int
158			i2d_DHparams_fp(FILE fp, DH a)
159			{
160			return ASN1_item_i2d_fp(&DHparams_it, fp, a);
161			}
162
163			DH *
164			DHparams_dup(DH *dh)
165			{
166		1348	return ASN1_item_dup(&DHparams_it, dh);
167			}