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/*
* Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/x509.h>
#include <openssl/asn1.h>
#include "pk7_local.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);
const PKCS7_CTX *ctx = ossl_pkcs7_get0_ctx(p7);
if (ctype_nid == NID_pkcs7_signed) {
if (p7->d.sign == NULL)
return 0;
mdalgs = p7->d.sign->md_algs;
} else {
mdalgs = NULL;
}
flags ^= SMIME_OLDMIME;
return SMIME_write_ASN1_ex(bio, (ASN1_VALUE *)p7, data, flags, ctype_nid,
NID_undef, mdalgs, ASN1_ITEM_rptr(PKCS7),
ossl_pkcs7_ctx_get0_libctx(ctx),
ossl_pkcs7_ctx_get0_propq(ctx));
}
PKCS7 *SMIME_read_PKCS7_ex(BIO *bio, BIO **bcont, PKCS7 **p7)
{
PKCS7 *ret;
OSSL_LIB_CTX *libctx = NULL;
const char *propq = NULL;
if (p7 != NULL && *p7 != NULL) {
libctx = (*p7)->ctx.libctx;
propq = (*p7)->ctx.propq;
}
ret = (PKCS7 *)SMIME_read_ASN1_ex(bio, 0, bcont, ASN1_ITEM_rptr(PKCS7),
(ASN1_VALUE **)p7, libctx, propq);
if (ret != NULL)
ossl_pkcs7_resolve_libctx(ret);
return ret;
}
PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont)
{
return SMIME_read_PKCS7_ex(bio, bcont, NULL);
}
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