69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
|
/*
|
||
|
|
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Licensed under the OpenSSL license (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/asn1.h>
|
||
|
|
|
||
|
|
#ifndef NO_OLD_ASN1
|
||
|
|
|
||
|
|
void *ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, void *x)
|
||
|
|
{
|
||
|
|
unsigned char *b, *p;
|
||
|
|
const unsigned char *p2;
|
||
|
|
int i;
|
||
|
|
char *ret;
|
||
|
|
|
||
|
|
if (x == NULL)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
i = i2d(x, NULL);
|
||
|
|
b = OPENSSL_malloc(i + 10);
|
||
|
|
if (b == NULL) {
|
||
|
|
ASN1err(ASN1_F_ASN1_DUP, ERR_R_MALLOC_FAILURE);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
p = b;
|
||
|
|
i = i2d(x, &p);
|
||
|
|
p2 = b;
|
||
|
|
ret = d2i(NULL, &p2, i);
|
||
|
|
OPENSSL_free(b);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* ASN1_ITEM version of dup: this follows the model above except we don't
|
||
|
|
* need to allocate the buffer. At some point this could be rewritten to
|
||
|
|
* directly dup the underlying structure instead of doing and encode and
|
||
|
|
* decode.
|
||
|
|
*/
|
||
|
|
|
||
|
|
void *ASN1_item_dup(const ASN1_ITEM *it, void *x)
|
||
|
|
{
|
||
|
|
unsigned char *b = NULL;
|
||
|
|
const unsigned char *p;
|
||
|
|
long i;
|
||
|
|
void *ret;
|
||
|
|
|
||
|
|
if (x == NULL)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
i = ASN1_item_i2d(x, &b, it);
|
||
|
|
if (b == NULL) {
|
||
|
|
ASN1err(ASN1_F_ASN1_ITEM_DUP, ERR_R_MALLOC_FAILURE);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
p = b;
|
||
|
|
ret = ASN1_item_d2i(NULL, &p, i, it);
|
||
|
|
OPENSSL_free(b);
|
||
|
|
return ret;
|
||
|
|
}
|