1 /* $OpenBSD: p12_attr.c,v 1.17 2022/08/20 09:16:18 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_lcl.h"
65 
66 /* Add a local keyid to a safebag */
67 
68 int
69 PKCS12_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 
80 int
81 PKCS8_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 }
88 
89 /* Add a friendlyname to a safebag */
90 
91 int
92 PKCS12_add_friendlyname_asc(PKCS12_SAFEBAG *bag, const char *name, int namelen)
93 {
94 	if (X509at_add1_attr_by_NID(&bag->attrib, NID_friendlyName,
95 	    MBSTRING_ASC, (unsigned char *)name, namelen))
96 		return 1;
97 	else
98 		return 0;
99 }
100 
101 
102 int
103 PKCS12_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 
113 int
114 PKCS12_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 
123 ASN1_TYPE *
124 PKCS12_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 
139 char *
140 PKCS12_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 }
151 
152 const STACK_OF(X509_ATTRIBUTE) *
153 PKCS12_SAFEBAG_get0_attrs(const PKCS12_SAFEBAG *bag)
154 {
155 	return bag->attrib;
156 }
157