1 files changed, 125 insertions, 0 deletions
diff --git a/crypto/openssl/crypto/pkcs7/pk7_mime.c b/crypto/openssl/crypto/pkcs7/pk7_mime.c
new file mode 100644
index 0000000..831b47d
--- /dev/null
+++ b/crypto/openssl/crypto/pkcs7/pk7_mime.c
@@ -0,0 +1,125 @@
+/* pk7_mime.c */
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project.
+ */
+/* ====================================================================
+ * Copyright (c) 1999-2005 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ */
+
+#include <stdio.h>
+#include <ctype.h>
+#include "cryptlib.h"
+#include <openssl/rand.h>
+#include <openssl/x509.h>
+#include <openssl/asn1.h>
+
+/* PKCS#7 wrappers round generalised MIME routines */
+
+PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont)
+	{
+	return (PKCS7 *)SMIME_read_ASN1(bio, bcont, ASN1_ITEM_rptr(PKCS7));
+	}
+
+/* Callback for int_smime_write_ASN1 */
+
+static int pk7_output_data(BIO *out, BIO *data, ASN1_VALUE *val, int flags,
+					const ASN1_ITEM *it)
+	{
+	PKCS7 *p7 = (PKCS7 *)val;
+	BIO *tmpbio, *p7bio;
+
+	if (!(flags & SMIME_DETACHED))
+		{
+		SMIME_crlf_copy(data, out, flags);
+		return 1;
+		}
+
+	/* Let PKCS7 code prepend any needed BIOs */
+
+	p7bio = PKCS7_dataInit(p7, out);
+
+	if (!p7bio)
+		return 0;
+
+	/* Copy data across, passing through filter BIOs for processing */
+	SMIME_crlf_copy(data, p7bio, flags);
+
+	/* Finalize structure */
+	if (PKCS7_dataFinal(p7, p7bio) <= 0)
+		goto err;
+
+	err:
+
+	/* Now remove any digests prepended to the BIO */
+
+	while (p7bio != out)
+		{
+		tmpbio = BIO_pop(p7bio);
+		BIO_free(p7bio);
+		p7bio = tmpbio;
+		}
+
+	return 1;
+
+	}
+
+int SMIME_write_PKCS7(BIO *bio, PKCS7 *p7, BIO *data, int flags)
+	{
+	STACK_OF(X509_ALGOR) *mdalgs;
+	int ctype_nid = OBJ_obj2nid(p7->type);
+	if (ctype_nid == NID_pkcs7_signed)
+		mdalgs = p7->d.sign->md_algs;
+	else
+		mdalgs = NULL;
+
+	return int_smime_write_ASN1(bio, (ASN1_VALUE *)p7, data, flags,
+					ctype_nid, NID_undef, mdalgs,
+					pk7_output_data,
+					ASN1_ITEM_rptr(PKCS7));	
+	}