109 lines
3.7 KiB
C
Executable file
109 lines
3.7 KiB
C
Executable file
/* $OpenBSD: asn_pack.c,v 1.18 2018/10/24 17:57:22 jsing Exp $ */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project 1999.
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*/
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/* ====================================================================
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* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#include <openssl/asn1.h>
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#include <openssl/err.h>
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/* Pack an ASN1 object into an ASN1_STRING. */
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ASN1_STRING *
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ASN1_item_pack(void *obj, const ASN1_ITEM *it, ASN1_STRING **oct)
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{
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ASN1_STRING *octmp;
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if (!oct || !*oct) {
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if (!(octmp = ASN1_STRING_new ())) {
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ASN1error(ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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} else
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octmp = *oct;
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free(octmp->data);
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octmp->data = NULL;
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if (!(octmp->length = ASN1_item_i2d(obj, &octmp->data, it))) {
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ASN1error(ASN1_R_ENCODE_ERROR);
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goto err;
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}
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if (!octmp->data) {
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ASN1error(ERR_R_MALLOC_FAILURE);
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goto err;
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}
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if (oct)
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*oct = octmp;
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return octmp;
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err:
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if (!oct || octmp != *oct)
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ASN1_STRING_free(octmp);
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return NULL;
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}
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/* Extract an ASN1 object from an ASN1_STRING. */
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void *
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ASN1_item_unpack(const ASN1_STRING *oct, const ASN1_ITEM *it)
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{
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const unsigned char *p;
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void *ret;
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p = oct->data;
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if (!(ret = ASN1_item_d2i(NULL, &p, oct->length, it)))
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ASN1error(ASN1_R_DECODE_ERROR);
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return ret;
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}
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