Branch data Line data Source code
1 : : /* pk7_attr.c */
2 : : /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 : : * project 2001.
4 : : */
5 : : /* ====================================================================
6 : : * Copyright (c) 2001-2004 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 <stdlib.h>
61 : : #include <openssl/bio.h>
62 : : #include <openssl/asn1.h>
63 : : #include <openssl/asn1t.h>
64 : : #include <openssl/pem.h>
65 : : #include <openssl/pkcs7.h>
66 : : #include <openssl/x509.h>
67 : : #include <openssl/err.h>
68 : :
69 : 19 : int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si, STACK_OF(X509_ALGOR) *cap)
70 : : {
71 : : ASN1_STRING *seq;
72 [ - + ]: 19 : if(!(seq = ASN1_STRING_new())) {
73 : 0 : PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE);
74 : 0 : return 0;
75 : : }
76 : 19 : seq->length = ASN1_item_i2d((ASN1_VALUE *)cap,&seq->data,
77 : : ASN1_ITEM_rptr(X509_ALGORS));
78 : 19 : return PKCS7_add_signed_attribute(si, NID_SMIMECapabilities,
79 : : V_ASN1_SEQUENCE, seq);
80 : : }
81 : :
82 : 0 : STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
83 : : {
84 : : ASN1_TYPE *cap;
85 : : const unsigned char *p;
86 : :
87 : 0 : cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities);
88 [ # # ][ # # ]: 0 : if (!cap || (cap->type != V_ASN1_SEQUENCE))
89 : : return NULL;
90 : 0 : p = cap->value.sequence->data;
91 : 0 : return (STACK_OF(X509_ALGOR) *)
92 : 0 : ASN1_item_d2i(NULL, &p, cap->value.sequence->length,
93 : : ASN1_ITEM_rptr(X509_ALGORS));
94 : : }
95 : :
96 : : /* Basic smime-capabilities OID and optional integer arg */
97 : 190 : int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
98 : : {
99 : : X509_ALGOR *alg;
100 : :
101 [ - + ]: 190 : if(!(alg = X509_ALGOR_new())) {
102 : 0 : PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
103 : 0 : return 0;
104 : : }
105 : 190 : ASN1_OBJECT_free(alg->algorithm);
106 : 190 : alg->algorithm = OBJ_nid2obj (nid);
107 [ + + ]: 190 : if (arg > 0) {
108 : : ASN1_INTEGER *nbit;
109 [ - + ]: 57 : if(!(alg->parameter = ASN1_TYPE_new())) {
110 : 0 : PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
111 : 0 : return 0;
112 : : }
113 [ - + ]: 57 : if(!(nbit = ASN1_INTEGER_new())) {
114 : 0 : PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
115 : 0 : return 0;
116 : : }
117 [ - + ]: 57 : if(!ASN1_INTEGER_set (nbit, arg)) {
118 : 0 : PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
119 : 0 : return 0;
120 : : }
121 : 57 : alg->parameter->value.integer = nbit;
122 : 57 : alg->parameter->type = V_ASN1_INTEGER;
123 : : }
124 : 190 : sk_X509_ALGOR_push (sk, alg);
125 : 190 : return 1;
126 : : }
127 : :
128 : 19 : int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid)
129 : : {
130 [ + - ]: 19 : if (PKCS7_get_signed_attribute(si, NID_pkcs9_contentType))
131 : : return 0;
132 [ + - ]: 19 : if (!coid)
133 : 19 : coid = OBJ_nid2obj(NID_pkcs7_data);
134 : 19 : return PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
135 : : V_ASN1_OBJECT, coid);
136 : : }
137 : :
138 : 21 : int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t)
139 : : {
140 [ + - ][ - + ]: 21 : if (!t && !(t=X509_gmtime_adj(NULL,0)))
141 : : {
142 : 0 : PKCS7err(PKCS7_F_PKCS7_ADD0_ATTRIB_SIGNING_TIME,
143 : : ERR_R_MALLOC_FAILURE);
144 : 0 : return 0;
145 : : }
146 : 21 : return PKCS7_add_signed_attribute(si, NID_pkcs9_signingTime,
147 : : V_ASN1_UTCTIME, t);
148 : : }
149 : :
150 : 22 : int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,
151 : : const unsigned char *md, int mdlen)
152 : : {
153 : : ASN1_OCTET_STRING *os;
154 : 22 : os = ASN1_OCTET_STRING_new();
155 [ + - ]: 22 : if (!os)
156 : : return 0;
157 [ + - ]: 22 : if (!ASN1_STRING_set(os, md, mdlen)
158 [ - + ]: 22 : || !PKCS7_add_signed_attribute(si, NID_pkcs9_messageDigest,
159 : : V_ASN1_OCTET_STRING, os))
160 : : {
161 : 0 : ASN1_OCTET_STRING_free(os);
162 : 0 : return 0;
163 : : }
164 : : return 1;
165 : : }
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