2 * Copyright 1999-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
12 #include <openssl/bio.h>
13 #include <openssl/asn1.h>
14 #include <openssl/asn1t.h>
15 #include <openssl/pem.h>
16 #include <openssl/pkcs7.h>
17 #include <openssl/x509.h>
18 #include <openssl/err.h>
20 DEFINE_STACK_OF(X509_ALGOR
)
22 int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO
*si
,
23 STACK_OF(X509_ALGOR
) *cap
)
27 if ((seq
= ASN1_STRING_new()) == NULL
) {
28 PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP
, ERR_R_MALLOC_FAILURE
);
31 seq
->length
= ASN1_item_i2d((ASN1_VALUE
*)cap
, &seq
->data
,
32 ASN1_ITEM_rptr(X509_ALGORS
));
33 return PKCS7_add_signed_attribute(si
, NID_SMIMECapabilities
,
34 V_ASN1_SEQUENCE
, seq
);
37 STACK_OF(X509_ALGOR
) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO
*si
)
40 const unsigned char *p
;
42 cap
= PKCS7_get_signed_attribute(si
, NID_SMIMECapabilities
);
43 if (cap
== NULL
|| (cap
->type
!= V_ASN1_SEQUENCE
))
45 p
= cap
->value
.sequence
->data
;
46 return (STACK_OF(X509_ALGOR
) *)
47 ASN1_item_d2i(NULL
, &p
, cap
->value
.sequence
->length
,
48 ASN1_ITEM_rptr(X509_ALGORS
));
51 /* Basic smime-capabilities OID and optional integer arg */
52 int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR
) *sk
, int nid
, int arg
)
54 ASN1_INTEGER
*nbit
= NULL
;
57 if ((alg
= X509_ALGOR_new()) == NULL
) {
58 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP
, ERR_R_MALLOC_FAILURE
);
61 ASN1_OBJECT_free(alg
->algorithm
);
62 alg
->algorithm
= OBJ_nid2obj(nid
);
64 if ((alg
->parameter
= ASN1_TYPE_new()) == NULL
) {
67 if ((nbit
= ASN1_INTEGER_new()) == NULL
) {
70 if (!ASN1_INTEGER_set(nbit
, arg
)) {
73 alg
->parameter
->value
.integer
= nbit
;
74 alg
->parameter
->type
= V_ASN1_INTEGER
;
77 if (!sk_X509_ALGOR_push(sk
, alg
)) {
82 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP
, ERR_R_MALLOC_FAILURE
);
83 ASN1_INTEGER_free(nbit
);
88 int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO
*si
, ASN1_OBJECT
*coid
)
90 if (PKCS7_get_signed_attribute(si
, NID_pkcs9_contentType
))
93 coid
= OBJ_nid2obj(NID_pkcs7_data
);
94 return PKCS7_add_signed_attribute(si
, NID_pkcs9_contentType
,
98 int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO
*si
, ASN1_TIME
*t
)
100 if (t
== NULL
&& (t
= X509_gmtime_adj(NULL
, 0)) == NULL
) {
101 PKCS7err(PKCS7_F_PKCS7_ADD0_ATTRIB_SIGNING_TIME
,
102 ERR_R_MALLOC_FAILURE
);
105 return PKCS7_add_signed_attribute(si
, NID_pkcs9_signingTime
,
109 int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO
*si
,
110 const unsigned char *md
, int mdlen
)
112 ASN1_OCTET_STRING
*os
;
113 os
= ASN1_OCTET_STRING_new();
116 if (!ASN1_STRING_set(os
, md
, mdlen
)
117 || !PKCS7_add_signed_attribute(si
, NID_pkcs9_messageDigest
,
118 V_ASN1_OCTET_STRING
, os
)) {
119 ASN1_OCTET_STRING_free(os
);