xref: /openbsd/lib/libcrypto/pkcs12/p12_attr.c (revision 76d0caae)
1 /* $OpenBSD: p12_attr.c,v 1.14 2021/11/01 20:53:08 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 "x509_lcl.h"
64 
65 /* Add a local keyid to a safebag */
66 
67 int
68 PKCS12_add_localkeyid(PKCS12_SAFEBAG *bag, unsigned char *name, int namelen)
69 {
70 	if (X509at_add1_attr_by_NID(&bag->attrib, NID_localKeyID,
71 	    V_ASN1_OCTET_STRING, name, namelen))
72 		return 1;
73 	else
74 		return 0;
75 }
76 
77 /* Add key usage to PKCS#8 structure */
78 
79 int
80 PKCS8_add_keyusage(PKCS8_PRIV_KEY_INFO *p8, int usage)
81 {
82 	unsigned char us_val = (unsigned char)usage;
83 
84 	return PKCS8_pkey_add1_attr_by_NID(p8, NID_key_usage, V_ASN1_BIT_STRING,
85 	    &us_val, 1);
86 }
87 
88 /* Add a friendlyname to a safebag */
89 
90 int
91 PKCS12_add_friendlyname_asc(PKCS12_SAFEBAG *bag, const char *name, int namelen)
92 {
93 	if (X509at_add1_attr_by_NID(&bag->attrib, NID_friendlyName,
94 	    MBSTRING_ASC, (unsigned char *)name, namelen))
95 		return 1;
96 	else
97 		return 0;
98 }
99 
100 
101 int
102 PKCS12_add_friendlyname_uni(PKCS12_SAFEBAG *bag, const unsigned char *name,
103     int namelen)
104 {
105 	if (X509at_add1_attr_by_NID(&bag->attrib, NID_friendlyName,
106 	    MBSTRING_BMP, name, namelen))
107 		return 1;
108 	else
109 		return 0;
110 }
111 
112 int
113 PKCS12_add_CSPName_asc(PKCS12_SAFEBAG *bag, const char *name, int namelen)
114 {
115 	if (X509at_add1_attr_by_NID(&bag->attrib, NID_ms_csp_name,
116 	    MBSTRING_ASC, (unsigned char *)name, namelen))
117 		return 1;
118 	else
119 		return 0;
120 }
121 
122 ASN1_TYPE *
123 PKCS12_get_attr_gen(const STACK_OF(X509_ATTRIBUTE) *attrs, int attr_nid)
124 {
125 	X509_ATTRIBUTE *attrib;
126 	int i;
127 
128 	if (!attrs)
129 		return NULL;
130 	for (i = 0; i < sk_X509_ATTRIBUTE_num(attrs); i++) {
131 		attrib = sk_X509_ATTRIBUTE_value(attrs, i);
132 		if (OBJ_obj2nid(attrib->object) == attr_nid) {
133 			if (sk_ASN1_TYPE_num(attrib->value.set))
134 				return sk_ASN1_TYPE_value(attrib->value.set, 0);
135 			else
136 				return NULL;
137 		}
138 	}
139 	return NULL;
140 }
141 
142 char *
143 PKCS12_get_friendlyname(PKCS12_SAFEBAG *bag)
144 {
145 	ASN1_TYPE *atype;
146 
147 	if (!(atype = PKCS12_get_attr(bag, NID_friendlyName)))
148 		return NULL;
149 	if (atype->type != V_ASN1_BMPSTRING)
150 		return NULL;
151 	return OPENSSL_uni2asc(atype->value.bmpstring->data,
152 	    atype->value.bmpstring->length);
153 }
154