1 /* $OpenBSD: p12_attr.c,v 1.9 2014/07/08 09:24:53 jsing 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;
81 
82 	us_val = (unsigned char) usage;
83 	if (X509at_add1_attr_by_NID(&p8->attributes, NID_key_usage,
84 	    V_ASN1_BIT_STRING, &us_val, 1))
85 		return 1;
86 	else
87 		return 0;
88 }
89 
90 /* Add a friendlyname to a safebag */
91 
92 int
93 PKCS12_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 
102 
103 int
104 PKCS12_add_friendlyname_uni(PKCS12_SAFEBAG *bag, const unsigned char *name,
105     int namelen)
106 {
107 	if (X509at_add1_attr_by_NID(&bag->attrib, NID_friendlyName,
108 	    MBSTRING_BMP, name, namelen))
109 		return 1;
110 	else
111 		return 0;
112 }
113 
114 int
115 PKCS12_add_CSPName_asc(PKCS12_SAFEBAG *bag, const char *name, int namelen)
116 {
117 	if (X509at_add1_attr_by_NID(&bag->attrib, NID_ms_csp_name,
118 	    MBSTRING_ASC, (unsigned char *)name, namelen))
119 		return 1;
120 	else
121 		return 0;
122 }
123 
124 ASN1_TYPE *
125 PKCS12_get_attr_gen(STACK_OF(X509_ATTRIBUTE) *attrs, int attr_nid)
126 {
127 	X509_ATTRIBUTE *attrib;
128 	int i;
129 
130 	if (!attrs)
131 		return NULL;
132 	for (i = 0; i < sk_X509_ATTRIBUTE_num (attrs); i++) {
133 		attrib = sk_X509_ATTRIBUTE_value (attrs, i);
134 		if (OBJ_obj2nid (attrib->object) == attr_nid) {
135 			if (sk_ASN1_TYPE_num (attrib->value.set))
136 				return sk_ASN1_TYPE_value(attrib->value.set, 0);
137 			else
138 				return NULL;
139 		}
140 	}
141 	return NULL;
142 }
143 
144 char *
145 PKCS12_get_friendlyname(PKCS12_SAFEBAG *bag)
146 {
147 	ASN1_TYPE *atype;
148 
149 	if (!(atype = PKCS12_get_attr(bag, NID_friendlyName)))
150 		return NULL;
151 	if (atype->type != V_ASN1_BMPSTRING)
152 		return NULL;
153 	return OPENSSL_uni2asc(atype->value.bmpstring->data,
154 	    atype->value.bmpstring->length);
155 }
156