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/* crypto/objects/obj_lib.c */
/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* 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 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 acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS 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 AUTHOR OR 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include "cryptlib.h"
#include "lhash.h"
#include "objects.h"
#include "buffer.h"
ASN1_OBJECT *OBJ_dup(o)
ASN1_OBJECT *o;
{
ASN1_OBJECT *r;
int i;
if (o == NULL) return(NULL);
if (!(o->flags & ASN1_OBJECT_FLAG_DYNAMIC))
return(o);
r=(ASN1_OBJECT *)ASN1_OBJECT_new();
if (r == NULL)
{
OBJerr(OBJ_F_OBJ_DUP,ERR_R_ASN1_LIB);
return(NULL);
}
r->data=(unsigned char *)Malloc(o->length);
if (r->data == NULL)
goto err;
memcpy(r->data,o->data,o->length);
r->length=o->length;
r->nid=o->nid;
r->ln=r->sn=NULL;
if (o->ln != NULL)
{
i=strlen(o->ln)+1;
r->ln=(char *)Malloc(i);
if (r->ln == NULL) goto err;
memcpy(r->ln,o->ln,i);
}
if (o->sn != NULL)
{
i=strlen(o->sn)+1;
r->sn=(char *)Malloc(i);
if (r->sn == NULL) goto err;
memcpy(r->sn,o->sn,i);
}
r->flags=o->flags|(ASN1_OBJECT_FLAG_DYNAMIC|
ASN1_OBJECT_FLAG_DYNAMIC_STRINGS);
return(r);
err:
OBJerr(OBJ_F_OBJ_DUP,ERR_R_MALLOC_FAILURE);
if (r != NULL)
{
if (r->ln != NULL) Free(r->ln);
if (r->data != NULL) Free(r->data);
Free(r);
}
return(NULL);
}
int OBJ_cmp(a,b)
ASN1_OBJECT *a;
ASN1_OBJECT *b;
{
int ret;
ret=(a->length-b->length);
if (ret) return(ret);
return(memcmp(a->data,b->data,a->length));
}
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