p12_utl.c revision 306195 
1/* p12_utl.c */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 * 1999.
5 */
6/* ====================================================================
7 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in
18 *    the documentation and/or other materials provided with the
19 *    distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 *    software must display the following acknowledgment:
23 *    "This product includes software developed by the OpenSSL Project
24 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 *    endorse or promote products derived from this software without
28 *    prior written permission. For written permission, please contact
29 *    licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 *    nor may "OpenSSL" appear in their names without prior written
33 *    permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 *    acknowledgment:
37 *    "This product includes software developed by the OpenSSL Project
38 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com).  This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
57 *
58 */
59
60#include <stdio.h>
61#include "cryptlib.h"
62#include <openssl/pkcs12.h>
63
64/* Cheap and nasty Unicode stuff */
65
66unsigned char *OPENSSL_asc2uni(const char *asc, int asclen,
67                               unsigned char **uni, int *unilen)
68{
69    int ulen, i;
70    unsigned char *unitmp;
71    if (asclen == -1)
72        asclen = strlen(asc);
73    ulen = asclen * 2 + 2;
74    if (!(unitmp = OPENSSL_malloc(ulen)))
75        return NULL;
76    for (i = 0; i < ulen - 2; i += 2) {
77        unitmp[i] = 0;
78        unitmp[i + 1] = asc[i >> 1];
79    }
80    /* Make result double null terminated */
81    unitmp[ulen - 2] = 0;
82    unitmp[ulen - 1] = 0;
83    if (unilen)
84        *unilen = ulen;
85    if (uni)
86        *uni = unitmp;
87    return unitmp;
88}
89
90char *OPENSSL_uni2asc(unsigned char *uni, int unilen)
91{
92    int asclen, i;
93    char *asctmp;
94
95    /* string must contain an even number of bytes */
96    if (unilen & 1)
97        return NULL;
98    asclen = unilen / 2;
99    /* If no terminating zero allow for one */
100    if (!unilen || uni[unilen - 1])
101        asclen++;
102    uni++;
103    if (!(asctmp = OPENSSL_malloc(asclen)))
104        return NULL;
105    for (i = 0; i < unilen; i += 2)
106        asctmp[i >> 1] = uni[i];
107    asctmp[asclen - 1] = 0;
108    return asctmp;
109}
110
111int i2d_PKCS12_bio(BIO *bp, PKCS12 *p12)
112{
113    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
114}
115
116#ifndef OPENSSL_NO_FP_API
117int i2d_PKCS12_fp(FILE *fp, PKCS12 *p12)
118{
119    return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
120}
121#endif
122
123PKCS12 *d2i_PKCS12_bio(BIO *bp, PKCS12 **p12)
124{
125    return ASN1_item_d2i_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
126}
127
128#ifndef OPENSSL_NO_FP_API
129PKCS12 *d2i_PKCS12_fp(FILE *fp, PKCS12 **p12)
130{
131    return ASN1_item_d2i_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
132}
133#endif
134
135PKCS12_SAFEBAG *PKCS12_x5092certbag(X509 *x509)
136{
137    return PKCS12_item_pack_safebag(x509, ASN1_ITEM_rptr(X509),
138                                    NID_x509Certificate, NID_certBag);
139}
140
141PKCS12_SAFEBAG *PKCS12_x509crl2certbag(X509_CRL *crl)
142{
143    return PKCS12_item_pack_safebag(crl, ASN1_ITEM_rptr(X509_CRL),
144                                    NID_x509Crl, NID_crlBag);
145}
146
147X509 *PKCS12_certbag2x509(PKCS12_SAFEBAG *bag)
148{
149    if (M_PKCS12_bag_type(bag) != NID_certBag)
150        return NULL;
151    if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate)
152        return NULL;
153    return ASN1_item_unpack(bag->value.bag->value.octet,
154                            ASN1_ITEM_rptr(X509));
155}
156
157X509_CRL *PKCS12_certbag2x509crl(PKCS12_SAFEBAG *bag)
158{
159    if (M_PKCS12_bag_type(bag) != NID_crlBag)
160        return NULL;
161    if (M_PKCS12_cert_bag_type(bag) != NID_x509Crl)
162        return NULL;
163    return ASN1_item_unpack(bag->value.bag->value.octet,
164                            ASN1_ITEM_rptr(X509_CRL));
165}
166