1/* $OpenBSD: p12_attr.c,v 1.21 2024/03/24 06:48:03 tb 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
61#include <openssl/pkcs12.h>
62
63#include "pkcs12_local.h"
64#include "x509_local.h"
65
66/* Add a local keyid to a safebag */
67
68int
69PKCS12_add_localkeyid(PKCS12_SAFEBAG *bag, unsigned char *name, int namelen)
70{
71	if (X509at_add1_attr_by_NID(&bag->attrib, NID_localKeyID,
72	    V_ASN1_OCTET_STRING, name, namelen))
73		return 1;
74	else
75		return 0;
76}
77
78/* Add key usage to PKCS#8 structure */
79
80int
81PKCS8_add_keyusage(PKCS8_PRIV_KEY_INFO *p8, int usage)
82{
83	unsigned char us_val = (unsigned char)usage;
84
85	return PKCS8_pkey_add1_attr_by_NID(p8, NID_key_usage, V_ASN1_BIT_STRING,
86	    &us_val, 1);
87}
88LCRYPTO_ALIAS(PKCS8_add_keyusage);
89
90/* Add a friendlyname to a safebag */
91
92int
93PKCS12_add_friendlyname_asc(PKCS12_SAFEBAG *bag, const char *name, int namelen)
94{
95	if (X509at_add1_attr_by_NID(&bag->attrib, NID_friendlyName,
96	    MBSTRING_ASC, (unsigned char *)name, namelen))
97		return 1;
98	else
99		return 0;
100}
101
102int
103PKCS12_add_friendlyname_uni(PKCS12_SAFEBAG *bag, const unsigned char *name,
104    int namelen)
105{
106	if (X509at_add1_attr_by_NID(&bag->attrib, NID_friendlyName,
107	    MBSTRING_BMP, name, namelen))
108		return 1;
109	else
110		return 0;
111}
112
113int
114PKCS12_add_CSPName_asc(PKCS12_SAFEBAG *bag, const char *name, int namelen)
115{
116	if (X509at_add1_attr_by_NID(&bag->attrib, NID_ms_csp_name,
117	    MBSTRING_ASC, (unsigned char *)name, namelen))
118		return 1;
119	else
120		return 0;
121}
122
123ASN1_TYPE *
124PKCS12_get_attr_gen(const STACK_OF(X509_ATTRIBUTE) *attrs, int attr_nid)
125{
126	X509_ATTRIBUTE *attrib;
127	int i;
128
129	if (!attrs)
130		return NULL;
131	for (i = 0; i < sk_X509_ATTRIBUTE_num(attrs); i++) {
132		attrib = sk_X509_ATTRIBUTE_value(attrs, i);
133		if (OBJ_obj2nid(attrib->object) == attr_nid)
134			return sk_ASN1_TYPE_value(attrib->set, 0);
135	}
136	return NULL;
137}
138
139char *
140PKCS12_get_friendlyname(PKCS12_SAFEBAG *bag)
141{
142	const ASN1_TYPE *atype;
143
144	if (!(atype = PKCS12_SAFEBAG_get0_attr(bag, NID_friendlyName)))
145		return NULL;
146	if (atype->type != V_ASN1_BMPSTRING)
147		return NULL;
148	return OPENSSL_uni2asc(atype->value.bmpstring->data,
149	    atype->value.bmpstring->length);
150}
151LCRYPTO_ALIAS(PKCS12_get_friendlyname);
152
153const STACK_OF(X509_ATTRIBUTE) *
154PKCS12_SAFEBAG_get0_attrs(const PKCS12_SAFEBAG *bag)
155{
156	return bag->attrib;
157}
158LCRYPTO_ALIAS(PKCS12_SAFEBAG_get0_attrs);
159