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/* $OpenBSD: a_dup.c,v 1.14 2017/01/29 17:49:22 beck Exp $ */ |
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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* All rights reserved. |
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* |
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* This package is an SSL implementation written |
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* by Eric Young (eay@cryptsoft.com). |
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* The implementation was written so as to conform with Netscapes SSL. |
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* |
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* This library is free for commercial and non-commercial use as long as |
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* the following conditions are aheared to. The following conditions |
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* apply to all code found in this distribution, be it the RC4, RSA, |
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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* included with this distribution is covered by the same copyright terms |
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* except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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* |
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* Copyright remains Eric Young's, and as such any Copyright notices in |
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* the code are not to be removed. |
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* If this package is used in a product, Eric Young should be given attribution |
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* as the author of the parts of the library used. |
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* This can be in the form of a textual message at program startup or |
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* in documentation (online or textual) provided with the package. |
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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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* 1. Redistributions of source code must retain the copyright |
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* notice, this list of conditions and the following disclaimer. |
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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 the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* "This product includes cryptographic software written by |
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* Eric Young (eay@cryptsoft.com)" |
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* The word 'cryptographic' can be left out if the rouines from the library |
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* being used are not cryptographic related :-). |
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* 4. If you include any Windows specific code (or a derivative thereof) from |
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* the apps directory (application code) you must include an acknowledgement: |
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* The licence and distribution terms for any publically available version or |
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* derivative of this code cannot be changed. i.e. this code cannot simply be |
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* copied and put under another distribution licence |
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* [including the GNU Public Licence.] |
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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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#ifndef NO_OLD_ASN1 |
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void * |
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ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, void *x) |
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{ |
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unsigned char *b, *p; |
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const unsigned char *p2; |
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int i; |
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char *ret; |
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if (x == NULL) |
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return (NULL); |
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i = i2d(x, NULL); |
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b = malloc(i + 10); |
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if (b == NULL) { |
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ASN1error(ERR_R_MALLOC_FAILURE); |
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return (NULL); |
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} |
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p = b; |
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i = i2d(x, &p); |
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p2 = b; |
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ret = d2i(NULL, &p2, i); |
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free(b); |
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return (ret); |
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} |
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#endif |
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/* ASN1_ITEM version of dup: this follows the model above except we don't need |
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* to allocate the buffer. At some point this could be rewritten to directly dup |
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* the underlying structure instead of doing and encode and decode. |
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*/ |
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void * |
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ASN1_item_dup(const ASN1_ITEM *it, void *x) |
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{ |
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unsigned char *b = NULL; |
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const unsigned char *p; |
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long i; |
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void *ret; |
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✗✓ |
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if (x == NULL) |
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return (NULL); |
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i = ASN1_item_i2d(x, &b, it); |
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✗✓ |
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if (b == NULL) { |
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ASN1error(ERR_R_MALLOC_FAILURE); |
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return (NULL); |
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} |
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p = b; |
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ret = ASN1_item_d2i(NULL, &p, i, it); |
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free(b); |
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return (ret); |
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} |