3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
6 /* ====================================================================
7 * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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)
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50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
59 #include <openssl/rand.h>
60 #include <openssl/x509.h>
61 #include <openssl/asn1.h>
63 /* PKCS#7 wrappers round generalised MIME routines */
65 PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont)
67 return (PKCS7 *)SMIME_read_ASN1(bio, bcont, ASN1_ITEM_rptr(PKCS7));
70 /* Callback for int_smime_write_ASN1 */
72 static int pk7_output_data(BIO *out, BIO *data, ASN1_VALUE *val, int flags,
75 PKCS7 *p7 = (PKCS7 *)val;
78 if (!(flags & SMIME_DETACHED)) {
79 SMIME_crlf_copy(data, out, flags);
83 /* Let PKCS7 code prepend any needed BIOs */
85 p7bio = PKCS7_dataInit(p7, out);
90 /* Copy data across, passing through filter BIOs for processing */
91 SMIME_crlf_copy(data, p7bio, flags);
93 /* Finalize structure */
94 if (PKCS7_dataFinal(p7, p7bio) <= 0)
99 /* Now remove any digests prepended to the BIO */
101 while (p7bio != out) {
102 tmpbio = BIO_pop(p7bio);
111 int SMIME_write_PKCS7(BIO *bio, PKCS7 *p7, BIO *data, int flags)
113 STACK_OF(X509_ALGOR) *mdalgs;
114 int ctype_nid = OBJ_obj2nid(p7->type);
115 if (ctype_nid == NID_pkcs7_signed)
116 mdalgs = p7->d.sign->md_algs;
120 return int_smime_write_ASN1(bio, (ASN1_VALUE *)p7, data, flags,
121 ctype_nid, NID_undef, mdalgs,
122 pk7_output_data, ASN1_ITEM_rptr(PKCS7));