1 /* $OpenBSD: p12_utl.c,v 1.11 2014/07/10 13:58:23 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 #include <string.h>
61 
62 #include <openssl/pkcs12.h>
63 
64 /* Cheap and nasty Unicode stuff */
65 
66 unsigned char *
67 OPENSSL_asc2uni(const char *asc, int asclen, unsigned char **uni, int *unilen)
68 {
69 	int ulen, i;
70 	unsigned char *unitmp;
71 
72 	if (asclen == -1)
73 		asclen = strlen(asc);
74 	ulen = asclen * 2 + 2;
75 	if (!(unitmp = malloc(ulen)))
76 		return NULL;
77 	for (i = 0; i < ulen - 2; i += 2) {
78 		unitmp[i] = 0;
79 		unitmp[i + 1] = asc[i >> 1];
80 	}
81 	/* Make result double null terminated */
82 	unitmp[ulen - 2] = 0;
83 	unitmp[ulen - 1] = 0;
84 	if (unilen)
85 		*unilen = ulen;
86 	if (uni)
87 		*uni = unitmp;
88 	return unitmp;
89 }
90 
91 char *
92 OPENSSL_uni2asc(unsigned char *uni, int unilen)
93 {
94 	int asclen, i;
95 	char *asctmp;
96 
97 	asclen = unilen / 2;
98 	/* If no terminating zero allow for one */
99 	if (!unilen || uni[unilen - 1])
100 		asclen++;
101 	uni++;
102 	if (!(asctmp = malloc(asclen)))
103 		return NULL;
104 	for (i = 0; i < unilen; i += 2)
105 		asctmp[i >> 1] = uni[i];
106 	asctmp[asclen - 1] = 0;
107 	return asctmp;
108 }
109 
110 int
111 i2d_PKCS12_bio(BIO *bp, PKCS12 *p12)
112 {
113 	return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
114 }
115 
116 int
117 i2d_PKCS12_fp(FILE *fp, PKCS12 *p12)
118 {
119 	return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
120 }
121 
122 PKCS12 *
123 d2i_PKCS12_bio(BIO *bp, PKCS12 **p12)
124 {
125 	return ASN1_item_d2i_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
126 }
127 
128 PKCS12 *
129 d2i_PKCS12_fp(FILE *fp, PKCS12 **p12)
130 {
131 	    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
132 }
133 
134 PKCS12_SAFEBAG *
135 PKCS12_x5092certbag(X509 *x509)
136 {
137 	return PKCS12_item_pack_safebag(x509, ASN1_ITEM_rptr(X509),
138 	    NID_x509Certificate, NID_certBag);
139 }
140 
141 PKCS12_SAFEBAG *
142 PKCS12_x509crl2certbag(X509_CRL *crl)
143 {
144 	return PKCS12_item_pack_safebag(crl, ASN1_ITEM_rptr(X509_CRL),
145 	    NID_x509Crl, NID_crlBag);
146 }
147 
148 X509 *
149 PKCS12_certbag2x509(PKCS12_SAFEBAG *bag)
150 {
151 	if (M_PKCS12_bag_type(bag) != NID_certBag)
152 		return NULL;
153 	if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate)
154 		return NULL;
155 	return ASN1_item_unpack(bag->value.bag->value.octet,
156 	    ASN1_ITEM_rptr(X509));
157 }
158 
159 X509_CRL *
160 PKCS12_certbag2x509crl(PKCS12_SAFEBAG *bag)
161 {
162 	if (M_PKCS12_bag_type(bag) != NID_crlBag)
163 		return NULL;
164 	if (M_PKCS12_cert_bag_type(bag) != NID_x509Crl)
165 		return NULL;
166 	return ASN1_item_unpack(bag->value.bag->value.octet,
167 	    ASN1_ITEM_rptr(X509_CRL));
168 }
169