/* $OpenBSD: pk7_mime.c,v 1.10 2014/06/29 17:05:36 jsing Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 * project.
 */
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 * modification, are permitted provided that the following conditions
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 *    "This product includes software developed by the OpenSSL Project
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#include <ctype.h>
#include <stdio.h>

#include <openssl/asn1.h>
#include <openssl/rand.h>
#include <openssl/x509.h>

/* PKCS#7 wrappers round generalised stream and MIME routines */

int
i2d_PKCS7_bio_stream(BIO *out, PKCS7 *p7, BIO *in, int flags)
{
	return i2d_ASN1_bio_stream(out, (ASN1_VALUE *)p7, in, flags,
	    ASN1_ITEM_rptr(PKCS7));
}

int
PEM_write_bio_PKCS7_stream(BIO *out, PKCS7 *p7, BIO *in, int flags)
{
	return PEM_write_bio_ASN1_stream(out, (ASN1_VALUE *) p7, in, flags,
	    "PKCS7", ASN1_ITEM_rptr(PKCS7));
}

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;

	flags ^= SMIME_OLDMIME;


	return SMIME_write_ASN1(bio, (ASN1_VALUE *)p7, data, flags,
	    ctype_nid, NID_undef, mdalgs, ASN1_ITEM_rptr(PKCS7));
}

PKCS7 *
SMIME_read_PKCS7(BIO *bio, BIO **bcont)
{
	return (PKCS7 *)SMIME_read_ASN1(bio, bcont, ASN1_ITEM_rptr(PKCS7));
}