1/* crypto/cms/cms_att.c */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project.
4 */
5/* ====================================================================
6 * Copyright (c) 2008 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
54#include <openssl/asn1t.h>
55#include <openssl/pem.h>
56#include <openssl/x509v3.h>
57#include <openssl/err.h>
58#include "cms.h"
59#include "cms_lcl.h"
60
61/* CMS SignedData Attribute utilities */
62
63int CMS_signed_get_attr_count(const CMS_SignerInfo *si)
64{
65	return X509at_get_attr_count(si->signedAttrs);
66}
67
68int CMS_signed_get_attr_by_NID(const CMS_SignerInfo *si, int nid,
69			  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)) return 1;
93	return 0;
94}
95
96int CMS_signed_add1_attr_by_OBJ(CMS_SignerInfo *si,
97			const ASN1_OBJECT *obj, int type,
98			const void *bytes, int len)
99{
100	if(X509at_add1_attr_by_OBJ(&si->signedAttrs, obj,
101				type, bytes, len)) return 1;
102	return 0;
103}
104
105int CMS_signed_add1_attr_by_NID(CMS_SignerInfo *si,
106			int nid, int type,
107			const void *bytes, int len)
108{
109	if(X509at_add1_attr_by_NID(&si->signedAttrs, nid,
110				type, bytes, len)) 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,
119				type, bytes, len)) 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)) return 1;
159	return 0;
160}
161
162int CMS_unsigned_add1_attr_by_OBJ(CMS_SignerInfo *si,
163			const ASN1_OBJECT *obj, int type,
164			const void *bytes, int len)
165{
166	if(X509at_add1_attr_by_OBJ(&si->unsignedAttrs, obj,
167				type, bytes, len)) return 1;
168	return 0;
169}
170
171int CMS_unsigned_add1_attr_by_NID(CMS_SignerInfo *si,
172			int nid, int type,
173			const void *bytes, int len)
174{
175	if(X509at_add1_attr_by_NID(&si->unsignedAttrs, nid,
176				type, bytes, len)) return 1;
177	return 0;
178}
179
180int CMS_unsigned_add1_attr_by_txt(CMS_SignerInfo *si,
181			const char *attrname, int type,
182			const void *bytes, int len)
183{
184	if(X509at_add1_attr_by_txt(&si->unsignedAttrs, attrname,
185				type, bytes, len)) return 1;
186	return 0;
187}
188
189void *CMS_unsigned_get0_data_by_OBJ(CMS_SignerInfo *si, ASN1_OBJECT *oid,
190					int lastpos, int type)
191{
192	return X509at_get0_data_by_OBJ(si->unsignedAttrs, oid, lastpos, type);
193}
194
195/* Specific attribute cases */
196