Line data Source code
1 : /* pk7_attr.c */
2 : /*
3 : * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 : * 2001.
5 : */
6 : /* ====================================================================
7 : * Copyright (c) 2001-2004 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 <stdlib.h>
62 : #include <openssl/bio.h>
63 : #include <openssl/asn1.h>
64 : #include <openssl/asn1t.h>
65 : #include <openssl/pem.h>
66 : #include <openssl/pkcs7.h>
67 : #include <openssl/x509.h>
68 : #include <openssl/err.h>
69 :
70 0 : int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si,
71 : STACK_OF(X509_ALGOR) *cap)
72 : {
73 : ASN1_STRING *seq;
74 0 : if (!(seq = ASN1_STRING_new())) {
75 0 : PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP, ERR_R_MALLOC_FAILURE);
76 0 : return 0;
77 : }
78 0 : seq->length = ASN1_item_i2d((ASN1_VALUE *)cap, &seq->data,
79 : ASN1_ITEM_rptr(X509_ALGORS));
80 0 : return PKCS7_add_signed_attribute(si, NID_SMIMECapabilities,
81 : V_ASN1_SEQUENCE, seq);
82 : }
83 :
84 0 : STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
85 : {
86 : ASN1_TYPE *cap;
87 : const unsigned char *p;
88 :
89 0 : cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities);
90 0 : if (!cap || (cap->type != V_ASN1_SEQUENCE))
91 : return NULL;
92 0 : p = cap->value.sequence->data;
93 0 : return (STACK_OF(X509_ALGOR) *)
94 0 : ASN1_item_d2i(NULL, &p, cap->value.sequence->length,
95 : ASN1_ITEM_rptr(X509_ALGORS));
96 : }
97 :
98 : /* Basic smime-capabilities OID and optional integer arg */
99 0 : int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
100 : {
101 : X509_ALGOR *alg;
102 :
103 0 : if (!(alg = X509_ALGOR_new())) {
104 0 : PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
105 0 : return 0;
106 : }
107 0 : ASN1_OBJECT_free(alg->algorithm);
108 0 : alg->algorithm = OBJ_nid2obj(nid);
109 0 : if (arg > 0) {
110 : ASN1_INTEGER *nbit;
111 0 : if (!(alg->parameter = ASN1_TYPE_new())) {
112 0 : PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
113 0 : return 0;
114 : }
115 0 : if (!(nbit = ASN1_INTEGER_new())) {
116 0 : PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
117 0 : return 0;
118 : }
119 0 : if (!ASN1_INTEGER_set(nbit, arg)) {
120 0 : PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
121 0 : return 0;
122 : }
123 0 : alg->parameter->value.integer = nbit;
124 0 : alg->parameter->type = V_ASN1_INTEGER;
125 : }
126 0 : sk_X509_ALGOR_push(sk, alg);
127 0 : return 1;
128 : }
129 :
130 0 : int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid)
131 : {
132 0 : if (PKCS7_get_signed_attribute(si, NID_pkcs9_contentType))
133 : return 0;
134 0 : if (!coid)
135 0 : coid = OBJ_nid2obj(NID_pkcs7_data);
136 0 : return PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
137 : V_ASN1_OBJECT, coid);
138 : }
139 :
140 0 : int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t)
141 : {
142 0 : if (!t && !(t = X509_gmtime_adj(NULL, 0))) {
143 0 : PKCS7err(PKCS7_F_PKCS7_ADD0_ATTRIB_SIGNING_TIME,
144 : ERR_R_MALLOC_FAILURE);
145 0 : return 0;
146 : }
147 0 : return PKCS7_add_signed_attribute(si, NID_pkcs9_signingTime,
148 : V_ASN1_UTCTIME, t);
149 : }
150 :
151 0 : int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,
152 : const unsigned char *md, int mdlen)
153 : {
154 : ASN1_OCTET_STRING *os;
155 0 : os = ASN1_OCTET_STRING_new();
156 0 : if (!os)
157 : return 0;
158 0 : if (!ASN1_STRING_set(os, md, mdlen)
159 0 : || !PKCS7_add_signed_attribute(si, NID_pkcs9_messageDigest,
160 : V_ASN1_OCTET_STRING, os)) {
161 0 : ASN1_OCTET_STRING_free(os);
162 0 : return 0;
163 : }
164 : return 1;
165 : }
|
