cms_att.c revision 296465 
1/* crypto/cms/cms_att.c */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
4 * project.
5 */
6/* ====================================================================
7 * Copyright (c) 2008 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
55#include <openssl/asn1t.h>
56#include <openssl/pem.h>
57#include <openssl/x509v3.h>
58#include <openssl/err.h>
59#include "cms.h"
60#include "cms_lcl.h"
61
62/* CMS SignedData Attribute utilities */
63
64int CMS_signed_get_attr_count(const CMS_SignerInfo *si)
65{
66    return X509at_get_attr_count(si->signedAttrs);
67}
68
69int CMS_signed_get_attr_by_NID(const CMS_SignerInfo *si, int nid, int lastpos)
70{
71    return X509at_get_attr_by_NID(si->signedAttrs, nid, lastpos);
72}
73
74int CMS_signed_get_attr_by_OBJ(const CMS_SignerInfo *si, ASN1_OBJECT *obj,
75                               int lastpos)
76{
77    return X509at_get_attr_by_OBJ(si->signedAttrs, obj, lastpos);
78}
79
80X509_ATTRIBUTE *CMS_signed_get_attr(const CMS_SignerInfo *si, int loc)
81{
82    return X509at_get_attr(si->signedAttrs, loc);
83}
84
85X509_ATTRIBUTE *CMS_signed_delete_attr(CMS_SignerInfo *si, int loc)
86{
87    return X509at_delete_attr(si->signedAttrs, loc);
88}
89
90int CMS_signed_add1_attr(CMS_SignerInfo *si, X509_ATTRIBUTE *attr)
91{
92    if (X509at_add1_attr(&si->signedAttrs, attr))
93        return 1;
94    return 0;
95}
96
97int CMS_signed_add1_attr_by_OBJ(CMS_SignerInfo *si,
98                                const ASN1_OBJECT *obj, int type,
99                                const void *bytes, int len)
100{
101    if (X509at_add1_attr_by_OBJ(&si->signedAttrs, obj, type, bytes, len))
102        return 1;
103    return 0;
104}
105
106int CMS_signed_add1_attr_by_NID(CMS_SignerInfo *si,
107                                int nid, int type, const void *bytes, int len)
108{
109    if (X509at_add1_attr_by_NID(&si->signedAttrs, nid, type, bytes, len))
110        return 1;
111    return 0;
112}
113
114int CMS_signed_add1_attr_by_txt(CMS_SignerInfo *si,
115                                const char *attrname, int type,
116                                const void *bytes, int len)
117{
118    if (X509at_add1_attr_by_txt(&si->signedAttrs, attrname, type, bytes, len))
119        return 1;
120    return 0;
121}
122
123void *CMS_signed_get0_data_by_OBJ(CMS_SignerInfo *si, ASN1_OBJECT *oid,
124                                  int lastpos, int type)
125{
126    return X509at_get0_data_by_OBJ(si->signedAttrs, oid, lastpos, type);
127}
128
129int CMS_unsigned_get_attr_count(const CMS_SignerInfo *si)
130{
131    return X509at_get_attr_count(si->unsignedAttrs);
132}
133
134int CMS_unsigned_get_attr_by_NID(const CMS_SignerInfo *si, int nid,
135                                 int lastpos)
136{
137    return X509at_get_attr_by_NID(si->unsignedAttrs, nid, lastpos);
138}
139
140int CMS_unsigned_get_attr_by_OBJ(const CMS_SignerInfo *si, ASN1_OBJECT *obj,
141                                 int lastpos)
142{
143    return X509at_get_attr_by_OBJ(si->unsignedAttrs, obj, lastpos);
144}
145
146X509_ATTRIBUTE *CMS_unsigned_get_attr(const CMS_SignerInfo *si, int loc)
147{
148    return X509at_get_attr(si->unsignedAttrs, loc);
149}
150
151X509_ATTRIBUTE *CMS_unsigned_delete_attr(CMS_SignerInfo *si, int loc)
152{
153    return X509at_delete_attr(si->unsignedAttrs, loc);
154}
155
156int CMS_unsigned_add1_attr(CMS_SignerInfo *si, X509_ATTRIBUTE *attr)
157{
158    if (X509at_add1_attr(&si->unsignedAttrs, attr))
159        return 1;
160    return 0;
161}
162
163int CMS_unsigned_add1_attr_by_OBJ(CMS_SignerInfo *si,
164                                  const ASN1_OBJECT *obj, int type,
165                                  const void *bytes, int len)
166{
167    if (X509at_add1_attr_by_OBJ(&si->unsignedAttrs, obj, type, bytes, len))
168        return 1;
169    return 0;
170}
171
172int CMS_unsigned_add1_attr_by_NID(CMS_SignerInfo *si,
173                                  int nid, int type,
174                                  const void *bytes, int len)
175{
176    if (X509at_add1_attr_by_NID(&si->unsignedAttrs, nid, type, bytes, len))
177        return 1;
178    return 0;
179}
180
181int CMS_unsigned_add1_attr_by_txt(CMS_SignerInfo *si,
182                                  const char *attrname, int type,
183                                  const void *bytes, int len)
184{
185    if (X509at_add1_attr_by_txt(&si->unsignedAttrs, attrname,
186                                type, bytes, len))
187        return 1;
188    return 0;
189}
190
191void *CMS_unsigned_get0_data_by_OBJ(CMS_SignerInfo *si, ASN1_OBJECT *oid,
192                                    int lastpos, int type)
193{
194    return X509at_get0_data_by_OBJ(si->unsignedAttrs, oid, lastpos, type);
195}
196
197/* Specific attribute cases */
198