2 * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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 int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si,
21 STACK_OF(X509_ALGOR) *cap)
25 if ((seq = ASN1_STRING_new()) == NULL) {
26 PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP, ERR_R_MALLOC_FAILURE);
29 seq->length = ASN1_item_i2d((ASN1_VALUE *)cap, &seq->data,
30 ASN1_ITEM_rptr(X509_ALGORS));
31 return PKCS7_add_signed_attribute(si, NID_SMIMECapabilities,
32 V_ASN1_SEQUENCE, seq);
35 STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
38 const unsigned char *p;
40 cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities);
41 if (cap == NULL || (cap->type != V_ASN1_SEQUENCE))
43 p = cap->value.sequence->data;
44 return (STACK_OF(X509_ALGOR) *)
45 ASN1_item_d2i(NULL, &p, cap->value.sequence->length,
46 ASN1_ITEM_rptr(X509_ALGORS));
49 /* Basic smime-capabilities OID and optional integer arg */
50 int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
54 if ((alg = X509_ALGOR_new()) == NULL) {
55 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
58 ASN1_OBJECT_free(alg->algorithm);
59 alg->algorithm = OBJ_nid2obj(nid);
62 if ((alg->parameter = ASN1_TYPE_new()) == NULL) {
63 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
66 if ((nbit = ASN1_INTEGER_new()) == NULL) {
67 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
70 if (!ASN1_INTEGER_set(nbit, arg)) {
71 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP, ERR_R_MALLOC_FAILURE);
74 alg->parameter->value.integer = nbit;
75 alg->parameter->type = V_ASN1_INTEGER;
77 sk_X509_ALGOR_push(sk, alg);
81 int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid)
83 if (PKCS7_get_signed_attribute(si, NID_pkcs9_contentType))
86 coid = OBJ_nid2obj(NID_pkcs7_data);
87 return PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
91 int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t)
93 if (t == NULL && (t = X509_gmtime_adj(NULL, 0)) == NULL) {
94 PKCS7err(PKCS7_F_PKCS7_ADD0_ATTRIB_SIGNING_TIME,
95 ERR_R_MALLOC_FAILURE);
98 return PKCS7_add_signed_attribute(si, NID_pkcs9_signingTime,
102 int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,
103 const unsigned char *md, int mdlen)
105 ASN1_OCTET_STRING *os;
106 os = ASN1_OCTET_STRING_new();
109 if (!ASN1_STRING_set(os, md, mdlen)
110 || !PKCS7_add_signed_attribute(si, NID_pkcs9_messageDigest,
111 V_ASN1_OCTET_STRING, os)) {
112 ASN1_OCTET_STRING_free(os);