Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/asn1/p5_pbe.c	Lines:	25	44	56.8 %
Date:	2017-11-07	Branches:	10	22	45.5 %


/* $OpenBSD: p5_pbe.c,v 1.22 2017/01/29 17:49:22 beck Exp $ */
/* 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 <stdlib.h>
#include <string.h>

#include <openssl/asn1t.h>
#include <openssl/err.h>
#include <openssl/x509.h>

/* PKCS#5 password based encryption structure */

static const ASN1_TEMPLATE PBEPARAM_seq_tt[] = {
	{
		.offset = offsetof(PBEPARAM, salt),
		.field_name = "salt",
		.item = &ASN1_OCTET_STRING_it,
	},
	{
		.offset = offsetof(PBEPARAM, iter),
		.field_name = "iter",
		.item = &ASN1_INTEGER_it,
	},
};

const ASN1_ITEM PBEPARAM_it = {
	.itype = ASN1_ITYPE_SEQUENCE,
	.utype = V_ASN1_SEQUENCE,
	.templates = PBEPARAM_seq_tt,
	.tcount = sizeof(PBEPARAM_seq_tt) / sizeof(ASN1_TEMPLATE),
	.size = sizeof(PBEPARAM),
	.sname = "PBEPARAM",
};


PBEPARAM *
d2i_PBEPARAM(PBEPARAM **a, const unsigned char **in, long len)
{
	return (PBEPARAM *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
	    &PBEPARAM_it);
}

int
i2d_PBEPARAM(PBEPARAM *a, unsigned char **out)
{
	return ASN1_item_i2d((ASN1_VALUE *)a, out, &PBEPARAM_it);
}

PBEPARAM *
PBEPARAM_new(void)
{
	return (PBEPARAM *)ASN1_item_new(&PBEPARAM_it);
}

void
PBEPARAM_free(PBEPARAM *a)
{
	ASN1_item_free((ASN1_VALUE *)a, &PBEPARAM_it);
}


/* Set an algorithm identifier for a PKCS#5 PBE algorithm */

int
PKCS5_pbe_set0_algor(X509_ALGOR *algor, int alg, int iter,
    const unsigned char *salt, int saltlen)
{
	PBEPARAM *pbe = NULL;
	ASN1_STRING *pbe_str = NULL;
	unsigned char *sstr;

	pbe = PBEPARAM_new();
	if (!pbe) {
		ASN1error(ERR_R_MALLOC_FAILURE);
		goto err;
	}
	if (iter <= 0)
		iter = PKCS5_DEFAULT_ITER;
	if (!ASN1_INTEGER_set(pbe->iter, iter)) {
		ASN1error(ERR_R_MALLOC_FAILURE);
		goto err;
	}
	if (!saltlen)
		saltlen = PKCS5_SALT_LEN;
	if (!ASN1_STRING_set(pbe->salt, NULL, saltlen)) {
		ASN1error(ERR_R_MALLOC_FAILURE);
		goto err;
	}
	sstr = ASN1_STRING_data(pbe->salt);
	if (salt)
		memcpy(sstr, salt, saltlen);
	else
		arc4random_buf(sstr, saltlen);

	if (!ASN1_item_pack(pbe, &PBEPARAM_it, &pbe_str)) {
		ASN1error(ERR_R_MALLOC_FAILURE);
		goto err;
	}

	PBEPARAM_free(pbe);
	pbe = NULL;

	if (X509_ALGOR_set0(algor, OBJ_nid2obj(alg), V_ASN1_SEQUENCE, pbe_str))
		return 1;

err:
	if (pbe != NULL)
		PBEPARAM_free(pbe);
	ASN1_STRING_free(pbe_str);
	return 0;
}

/* Return an algorithm identifier for a PKCS#5 PBE algorithm */

X509_ALGOR *
PKCS5_pbe_set(int alg, int iter, const unsigned char *salt, int saltlen)
{
	X509_ALGOR *ret;
	ret = X509_ALGOR_new();
	if (!ret) {
		ASN1error(ERR_R_MALLOC_FAILURE);
		return NULL;
	}

	if (PKCS5_pbe_set0_algor(ret, alg, iter, salt, saltlen))
		return ret;

	X509_ALGOR_free(ret);
	return NULL;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: p5_pbe.c,v 1.22 2017/01/29 17:49:22 beck Exp $ */
2			/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3			* project 1999.
4			*/
5			/* ====================================================================
6			* Copyright (c) 1999 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			#include <stdlib.h>
61			#include <string.h>
62
63			#include <openssl/asn1t.h>
64			#include <openssl/err.h>
65			#include <openssl/x509.h>
66
67			/* PKCS#5 password based encryption structure */
68
69			static const ASN1_TEMPLATE PBEPARAM_seq_tt[] = {
70			{
71			.offset = offsetof(PBEPARAM, salt),
72			.field_name = "salt",
73			.item = &ASN1_OCTET_STRING_it,
74			},
75			{
76			.offset = offsetof(PBEPARAM, iter),
77			.field_name = "iter",
78			.item = &ASN1_INTEGER_it,
79			},
80			};
81
82			const ASN1_ITEM PBEPARAM_it = {
83			.itype = ASN1_ITYPE_SEQUENCE,
84			.utype = V_ASN1_SEQUENCE,
85			.templates = PBEPARAM_seq_tt,
86			.tcount = sizeof(PBEPARAM_seq_tt) / sizeof(ASN1_TEMPLATE),
87			.size = sizeof(PBEPARAM),
88			.sname = "PBEPARAM",
89			};
90
91
92			PBEPARAM *
93			d2i_PBEPARAM(PBEPARAM a, const unsigned char in, long len)
94			{
95		16	return (PBEPARAM )ASN1_item_d2i((ASN1_VALUE *)a, in, len,
96			&PBEPARAM_it);
97			}
98
99			int
100			i2d_PBEPARAM(PBEPARAM a, unsigned char *out)
101			{
102			return ASN1_item_i2d((ASN1_VALUE *)a, out, &PBEPARAM_it);
103			}
104
105			PBEPARAM *
106			PBEPARAM_new(void)
107			{
108		4	return (PBEPARAM *)ASN1_item_new(&PBEPARAM_it);
109			}
110
111			void
112			PBEPARAM_free(PBEPARAM *a)
113			{
114		12	ASN1_item_free((ASN1_VALUE *)a, &PBEPARAM_it);
115		6	}
116
117
118			/* Set an algorithm identifier for a PKCS#5 PBE algorithm */
119
120			int
121			PKCS5_pbe_set0_algor(X509_ALGOR *algor, int alg, int iter,
122			const unsigned char *salt, int saltlen)
123			{
124			PBEPARAM *pbe = NULL;
125		4	ASN1_STRING *pbe_str = NULL;
126			unsigned char *sstr;
127
128		2	pbe = PBEPARAM_new();
129	✗✓	2	if (!pbe) {
130			ASN1error(ERR_R_MALLOC_FAILURE);
131			goto err;
132			}
133	✗✓	2	if (iter <= 0)
134			iter = PKCS5_DEFAULT_ITER;
135	✗✓	2	if (!ASN1_INTEGER_set(pbe->iter, iter)) {
136			ASN1error(ERR_R_MALLOC_FAILURE);
137			goto err;
138			}
139	✓✗	2	if (!saltlen)
140		2	saltlen = PKCS5_SALT_LEN;
141	✗✓	2	if (!ASN1_STRING_set(pbe->salt, NULL, saltlen)) {
142			ASN1error(ERR_R_MALLOC_FAILURE);
143			goto err;
144			}
145		2	sstr = ASN1_STRING_data(pbe->salt);
146	✗✓	2	if (salt)
147			memcpy(sstr, salt, saltlen);
148			else
149		2	arc4random_buf(sstr, saltlen);
150
151	✗✓	2	if (!ASN1_item_pack(pbe, &PBEPARAM_it, &pbe_str)) {
152			ASN1error(ERR_R_MALLOC_FAILURE);
153			goto err;
154			}
155
156		2	PBEPARAM_free(pbe);
157			pbe = NULL;
158
159	✓✗	2	if (X509_ALGOR_set0(algor, OBJ_nid2obj(alg), V_ASN1_SEQUENCE, pbe_str))
160		2	return 1;
161
162			err:
163			if (pbe != NULL)
164			PBEPARAM_free(pbe);
165			ASN1_STRING_free(pbe_str);
166			return 0;
167		2	}
168
169			/* Return an algorithm identifier for a PKCS#5 PBE algorithm */
170
171			X509_ALGOR *
172			PKCS5_pbe_set(int alg, int iter, const unsigned char *salt, int saltlen)
173			{
174			X509_ALGOR *ret;
175		4	ret = X509_ALGOR_new();
176	✗✓	2	if (!ret) {
177			ASN1error(ERR_R_MALLOC_FAILURE);
178			return NULL;
179			}
180
181	✓✗	2	if (PKCS5_pbe_set0_algor(ret, alg, iter, salt, saltlen))
182		2	return ret;
183
184			X509_ALGOR_free(ret);
185			return NULL;
186		2	}