Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/asn1/p8_pkey.c	Lines:	39	51	76.5 %
Date:	2017-11-13	Branches:	19	36	52.8 %


/* $OpenBSD: p8_pkey.c,v 1.17 2015/09/10 15:56:25 jsing Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 * project 1999.
 */
/* ====================================================================
 * Copyright (c) 1999-2005 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 <string.h>

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

/* Minor tweak to operation: zero private key data */
static int
pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
{
	/* Since the structure must still be valid use ASN1_OP_FREE_PRE */
	if (operation == ASN1_OP_FREE_PRE) {
		PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval;
		if (key->pkey != NULL &&
		    key->pkey->type == V_ASN1_OCTET_STRING &&
		    key->pkey->value.octet_string != NULL)
			explicit_bzero(key->pkey->value.octet_string->data,
			    key->pkey->value.octet_string->length);
	}
	return 1;
}

static const ASN1_AUX PKCS8_PRIV_KEY_INFO_aux = {
	.asn1_cb = pkey_cb,
};
static const ASN1_TEMPLATE PKCS8_PRIV_KEY_INFO_seq_tt[] = {
	{
		.offset = offsetof(PKCS8_PRIV_KEY_INFO, version),
		.field_name = "version",
		.item = &ASN1_INTEGER_it,
	},
	{
		.offset = offsetof(PKCS8_PRIV_KEY_INFO, pkeyalg),
		.field_name = "pkeyalg",
		.item = &X509_ALGOR_it,
	},
	{
		.offset = offsetof(PKCS8_PRIV_KEY_INFO, pkey),
		.field_name = "pkey",
		.item = &ASN1_ANY_it,
	},
	{
		.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SET_OF | ASN1_TFLG_OPTIONAL,
		.offset = offsetof(PKCS8_PRIV_KEY_INFO, attributes),
		.field_name = "attributes",
		.item = &X509_ATTRIBUTE_it,
	},
};

const ASN1_ITEM PKCS8_PRIV_KEY_INFO_it = {
	.itype = ASN1_ITYPE_SEQUENCE,
	.utype = V_ASN1_SEQUENCE,
	.templates = PKCS8_PRIV_KEY_INFO_seq_tt,
	.tcount = sizeof(PKCS8_PRIV_KEY_INFO_seq_tt) / sizeof(ASN1_TEMPLATE),
	.funcs = &PKCS8_PRIV_KEY_INFO_aux,
	.size = sizeof(PKCS8_PRIV_KEY_INFO),
	.sname = "PKCS8_PRIV_KEY_INFO",
};


PKCS8_PRIV_KEY_INFO *
d2i_PKCS8_PRIV_KEY_INFO(PKCS8_PRIV_KEY_INFO **a, const unsigned char **in, long len)
{
	return (PKCS8_PRIV_KEY_INFO *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
	    &PKCS8_PRIV_KEY_INFO_it);
}

int
i2d_PKCS8_PRIV_KEY_INFO(PKCS8_PRIV_KEY_INFO *a, unsigned char **out)
{
	return ASN1_item_i2d((ASN1_VALUE *)a, out, &PKCS8_PRIV_KEY_INFO_it);
}

PKCS8_PRIV_KEY_INFO *
PKCS8_PRIV_KEY_INFO_new(void)
{
	return (PKCS8_PRIV_KEY_INFO *)ASN1_item_new(&PKCS8_PRIV_KEY_INFO_it);
}

void
PKCS8_PRIV_KEY_INFO_free(PKCS8_PRIV_KEY_INFO *a)
{
	ASN1_item_free((ASN1_VALUE *)a, &PKCS8_PRIV_KEY_INFO_it);
}

int
PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj, int version,
    int ptype, void *pval, unsigned char *penc, int penclen)
{
	unsigned char **ppenc = NULL;

	if (version >= 0) {
		if (!ASN1_INTEGER_set(priv->version, version))
			return 0;
	}
	if (penc) {
		int pmtype;
		ASN1_OCTET_STRING *oct;
		oct = ASN1_OCTET_STRING_new();
		if (!oct)
			return 0;
		oct->data = penc;
		ppenc = &oct->data;
		oct->length = penclen;
		if (priv->broken == PKCS8_NO_OCTET)
			pmtype = V_ASN1_SEQUENCE;
		else
			pmtype = V_ASN1_OCTET_STRING;
		ASN1_TYPE_set(priv->pkey, pmtype, oct);
	}
	if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval)) {
		/* If call fails do not swallow 'enc' */
		if (ppenc)
			*ppenc = NULL;
		return 0;
	}
	return 1;
}

int
PKCS8_pkey_get0(ASN1_OBJECT **ppkalg, const unsigned char **pk, int *ppklen,
    X509_ALGOR **pa, PKCS8_PRIV_KEY_INFO *p8)
{
	if (ppkalg)
		*ppkalg = p8->pkeyalg->algorithm;
	if (p8->pkey->type == V_ASN1_OCTET_STRING) {
		p8->broken = PKCS8_OK;
		if (pk) {
			*pk = p8->pkey->value.octet_string->data;
			*ppklen = p8->pkey->value.octet_string->length;
		}
	} else if (p8->pkey->type == V_ASN1_SEQUENCE) {
		p8->broken = PKCS8_NO_OCTET;
		if (pk) {
			*pk = p8->pkey->value.sequence->data;
			*ppklen = p8->pkey->value.sequence->length;
		}
	} else
		return 0;
	if (pa)
		*pa = p8->pkeyalg;
	return 1;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: p8_pkey.c,v 1.17 2015/09/10 15:56:25 jsing Exp $ */
2			/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3			* project 1999.
4			*/
5			/* ====================================================================
6			* Copyright (c) 1999-2005 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			#include <string.h>
61
62			#include <openssl/asn1t.h>
63			#include <openssl/x509.h>
64
65			/* Minor tweak to operation: zero private key data */
66			static int
67			pkey_cb(int operation, ASN1_VALUE *pval, const ASN1_ITEM it, void *exarg)
68			{
69			/* Since the structure must still be valid use ASN1_OP_FREE_PRE */
70	✓✓	4176	if (operation == ASN1_OP_FREE_PRE) {
71		330	PKCS8_PRIV_KEY_INFO key = (PKCS8_PRIV_KEY_INFO )*pval;
72	✓✗✓✗	660	if (key->pkey != NULL &&
73	✓✗	330	key->pkey->type == V_ASN1_OCTET_STRING &&
74		330	key->pkey->value.octet_string != NULL)
75		660	explicit_bzero(key->pkey->value.octet_string->data,
76		330	key->pkey->value.octet_string->length);
77		330	}
78		2088	return 1;
79			}
80
81			static const ASN1_AUX PKCS8_PRIV_KEY_INFO_aux = {
82			.asn1_cb = pkey_cb,
83			};
84			static const ASN1_TEMPLATE PKCS8_PRIV_KEY_INFO_seq_tt[] = {
85			{
86			.offset = offsetof(PKCS8_PRIV_KEY_INFO, version),
87			.field_name = "version",
88			.item = &ASN1_INTEGER_it,
89			},
90			{
91			.offset = offsetof(PKCS8_PRIV_KEY_INFO, pkeyalg),
92			.field_name = "pkeyalg",
93			.item = &X509_ALGOR_it,
94			},
95			{
96			.offset = offsetof(PKCS8_PRIV_KEY_INFO, pkey),
97			.field_name = "pkey",
98			.item = &ASN1_ANY_it,
99			},
100			{
101			.flags = ASN1_TFLG_IMPLICIT \| ASN1_TFLG_SET_OF \| ASN1_TFLG_OPTIONAL,
102			.offset = offsetof(PKCS8_PRIV_KEY_INFO, attributes),
103			.field_name = "attributes",
104			.item = &X509_ATTRIBUTE_it,
105			},
106			};
107
108			const ASN1_ITEM PKCS8_PRIV_KEY_INFO_it = {
109			.itype = ASN1_ITYPE_SEQUENCE,
110			.utype = V_ASN1_SEQUENCE,
111			.templates = PKCS8_PRIV_KEY_INFO_seq_tt,
112			.tcount = sizeof(PKCS8_PRIV_KEY_INFO_seq_tt) / sizeof(ASN1_TEMPLATE),
113			.funcs = &PKCS8_PRIV_KEY_INFO_aux,
114			.size = sizeof(PKCS8_PRIV_KEY_INFO),
115			.sname = "PKCS8_PRIV_KEY_INFO",
116			};
117
118
119			PKCS8_PRIV_KEY_INFO *
120			d2i_PKCS8_PRIV_KEY_INFO(PKCS8_PRIV_KEY_INFO a, const unsigned char in, long len)
121			{
122		388	return (PKCS8_PRIV_KEY_INFO )ASN1_item_d2i((ASN1_VALUE *)a, in, len,
123			&PKCS8_PRIV_KEY_INFO_it);
124			}
125
126			int
127			i2d_PKCS8_PRIV_KEY_INFO(PKCS8_PRIV_KEY_INFO a, unsigned char *out)
128			{
129		368	return ASN1_item_i2d((ASN1_VALUE *)a, out, &PKCS8_PRIV_KEY_INFO_it);
130			}
131
132			PKCS8_PRIV_KEY_INFO *
133			PKCS8_PRIV_KEY_INFO_new(void)
134			{
135		216	return (PKCS8_PRIV_KEY_INFO *)ASN1_item_new(&PKCS8_PRIV_KEY_INFO_it);
136			}
137
138			void
139			PKCS8_PRIV_KEY_INFO_free(PKCS8_PRIV_KEY_INFO *a)
140			{
141		660	ASN1_item_free((ASN1_VALUE *)a, &PKCS8_PRIV_KEY_INFO_it);
142		330	}
143
144			int
145			PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO priv, ASN1_OBJECT aobj, int version,
146			int ptype, void pval, unsigned char penc, int penclen)
147			{
148			unsigned char **ppenc = NULL;
149
150	✓✗	216	if (version >= 0) {
151	✗✓	108	if (!ASN1_INTEGER_set(priv->version, version))
152			return 0;
153			}
154	✓✗	108	if (penc) {
155			int pmtype;
156			ASN1_OCTET_STRING *oct;
157		108	oct = ASN1_OCTET_STRING_new();
158	✗✓	108	if (!oct)
159			return 0;
160		108	oct->data = penc;
161			ppenc = &oct->data;
162		108	oct->length = penclen;
163	✗✓	108	if (priv->broken == PKCS8_NO_OCTET)
164			pmtype = V_ASN1_SEQUENCE;
165			else
166			pmtype = V_ASN1_OCTET_STRING;
167		108	ASN1_TYPE_set(priv->pkey, pmtype, oct);
168	✓✗	108	}
169	✗✓	108	if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval)) {
170			/* If call fails do not swallow 'enc' */
171			if (ppenc)
172			*ppenc = NULL;
173			return 0;
174			}
175		108	return 1;
176		108	}
177
178			int
179			PKCS8_pkey_get0(ASN1_OBJECT ppkalg, const unsigned char pk, int *ppklen,
180			X509_ALGOR *pa, PKCS8_PRIV_KEY_INFO p8)
181			{
182	✓✓	888	if (ppkalg)
183		222	*ppkalg = p8->pkeyalg->algorithm;
184	✓✗	444	if (p8->pkey->type == V_ASN1_OCTET_STRING) {
185		444	p8->broken = PKCS8_OK;
186	✓✓	444	if (pk) {
187		222	*pk = p8->pkey->value.octet_string->data;
188		222	*ppklen = p8->pkey->value.octet_string->length;
189		222	}
190			} else if (p8->pkey->type == V_ASN1_SEQUENCE) {
191			p8->broken = PKCS8_NO_OCTET;
192			if (pk) {
193			*pk = p8->pkey->value.sequence->data;
194			*ppklen = p8->pkey->value.sequence->length;
195			}
196			} else
197			return 0;
198	✓✓	444	if (pa)
199		6	*pa = p8->pkeyalg;
200		444	return 1;
201		444	}