1 /* $OpenBSD: p12_attr.c,v 1.12 2018/08/24 20:07:41 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 /* Add a local keyid to a safebag */
64 
65 int
66 PKCS12_add_localkeyid(PKCS12_SAFEBAG *bag, unsigned char *name, int namelen)
67 {
68 	if (X509at_add1_attr_by_NID(&bag->attrib, NID_localKeyID,
69 	    V_ASN1_OCTET_STRING, name, namelen))
70 		return 1;
71 	else
72 		return 0;
73 }
74 
75 /* Add key usage to PKCS#8 structure */
76 
77 int
78 PKCS8_add_keyusage(PKCS8_PRIV_KEY_INFO *p8, int usage)
79 {
80 	unsigned char us_val = (unsigned char)usage;
81 
82 	return PKCS8_pkey_add1_attr_by_NID(p8, NID_key_usage, V_ASN1_BIT_STRING,
83 	    &us_val, 1);
84 }
85 
86 /* Add a friendlyname to a safebag */
87 
88 int
89 PKCS12_add_friendlyname_asc(PKCS12_SAFEBAG *bag, const char *name, int namelen)
90 {
91 	if (X509at_add1_attr_by_NID(&bag->attrib, NID_friendlyName,
92 	    MBSTRING_ASC, (unsigned char *)name, namelen))
93 		return 1;
94 	else
95 		return 0;
96 }
97 
98 
99 int
100 PKCS12_add_friendlyname_uni(PKCS12_SAFEBAG *bag, const unsigned char *name,
101     int namelen)
102 {
103 	if (X509at_add1_attr_by_NID(&bag->attrib, NID_friendlyName,
104 	    MBSTRING_BMP, name, namelen))
105 		return 1;
106 	else
107 		return 0;
108 }
109 
110 int
111 PKCS12_add_CSPName_asc(PKCS12_SAFEBAG *bag, const char *name, int namelen)
112 {
113 	if (X509at_add1_attr_by_NID(&bag->attrib, NID_ms_csp_name,
114 	    MBSTRING_ASC, (unsigned char *)name, namelen))
115 		return 1;
116 	else
117 		return 0;
118 }
119 
120 ASN1_TYPE *
121 PKCS12_get_attr_gen(const STACK_OF(X509_ATTRIBUTE) *attrs, int attr_nid)
122 {
123 	X509_ATTRIBUTE *attrib;
124 	int i;
125 
126 	if (!attrs)
127 		return NULL;
128 	for (i = 0; i < sk_X509_ATTRIBUTE_num (attrs); i++) {
129 		attrib = sk_X509_ATTRIBUTE_value (attrs, i);
130 		if (OBJ_obj2nid (attrib->object) == attr_nid) {
131 			if (sk_ASN1_TYPE_num (attrib->value.set))
132 				return sk_ASN1_TYPE_value(attrib->value.set, 0);
133 			else
134 				return NULL;
135 		}
136 	}
137 	return NULL;
138 }
139 
140 char *
141 PKCS12_get_friendlyname(PKCS12_SAFEBAG *bag)
142 {
143 	ASN1_TYPE *atype;
144 
145 	if (!(atype = PKCS12_get_attr(bag, NID_friendlyName)))
146 		return NULL;
147 	if (atype->type != V_ASN1_BMPSTRING)
148 		return NULL;
149 	return OPENSSL_uni2asc(atype->value.bmpstring->data,
150 	    atype->value.bmpstring->length);
151 }
152