-/* bio_ndef.c */
/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project.
- */
-/* ====================================================================
- * Copyright (c) 2008 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.
- * ====================================================================
+ * Copyright 2008-2018 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 <openssl/asn1.h>
/*
* The usage is quite simple, initialize an ASN1 structure, get a BIO from it
* then any data written through the BIO will end up translated to
- * approptiate format on the fly. The data is streamed out and does *not*
+ * appropriate format on the fly. The data is streamed out and does *not*
* need to be all held in memory at once. When the BIO is flushed the output
* is finalized and any signatures etc written out. The BIO is a 'proper'
* BIO and can handle non blocking I/O correctly. The usage is simple. The
static int ndef_suffix_free(BIO *b, unsigned char **pbuf, int *plen,
void *parg);
+/* unfortunately cannot constify this due to CMS_stream() and PKCS7_stream() */
BIO *BIO_new_NDEF(BIO *out, ASN1_VALUE *val, const ASN1_ITEM *it)
{
NDEF_SUPPORT *ndef_aux = NULL;
ASN1err(ASN1_F_BIO_NEW_NDEF, ASN1_R_STREAMING_NOT_SUPPORTED);
return NULL;
}
- ndef_aux = OPENSSL_malloc(sizeof(*ndef_aux));
+ ndef_aux = OPENSSL_zalloc(sizeof(*ndef_aux));
asn_bio = BIO_new(BIO_f_asn1());
+ if (ndef_aux == NULL || asn_bio == NULL)
+ goto err;
/* ASN1 bio needs to be next to output BIO */
-
out = BIO_push(asn_bio, out);
-
- if (!ndef_aux || !asn_bio || !out)
+ if (out == NULL)
goto err;
BIO_asn1_set_prefix(asn_bio, ndef_prefix, ndef_prefix_free);
BIO_asn1_set_suffix(asn_bio, ndef_suffix, ndef_suffix_free);
/*
- * Now let callback prepend any digest, cipher etc BIOs ASN1 structure
+ * Now let callback prepends any digest, cipher etc BIOs ASN1 structure
* needs.
*/
ndef_aux = *(NDEF_SUPPORT **)parg;
derlen = ASN1_item_ndef_i2d(ndef_aux->val, NULL, ndef_aux->it);
- p = OPENSSL_malloc(derlen);
- if (!p)
+ if ((p = OPENSSL_malloc(derlen)) == NULL) {
+ ASN1err(ASN1_F_NDEF_PREFIX, ERR_R_MALLOC_FAILURE);
return 0;
+ }
ndef_aux->derbuf = p;
*pbuf = p;
return 0;
derlen = ASN1_item_ndef_i2d(ndef_aux->val, NULL, ndef_aux->it);
- p = OPENSSL_malloc(derlen);
- if (!p)
+ if (derlen < 0)
+ return 0;
+ if ((p = OPENSSL_malloc(derlen)) == NULL) {
+ ASN1err(ASN1_F_NDEF_SUFFIX, ERR_R_MALLOC_FAILURE);
return 0;
+ }
ndef_aux->derbuf = p;
*pbuf = p;
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