1 |
|
|
/* $OpenBSD: a_dup.c,v 1.14 2017/01/29 17:49:22 beck Exp $ */ |
2 |
|
|
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
3 |
|
|
* All rights reserved. |
4 |
|
|
* |
5 |
|
|
* This package is an SSL implementation written |
6 |
|
|
* by Eric Young (eay@cryptsoft.com). |
7 |
|
|
* The implementation was written so as to conform with Netscapes SSL. |
8 |
|
|
* |
9 |
|
|
* This library is free for commercial and non-commercial use as long as |
10 |
|
|
* the following conditions are aheared to. The following conditions |
11 |
|
|
* apply to all code found in this distribution, be it the RC4, RSA, |
12 |
|
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation |
13 |
|
|
* included with this distribution is covered by the same copyright terms |
14 |
|
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com). |
15 |
|
|
* |
16 |
|
|
* Copyright remains Eric Young's, and as such any Copyright notices in |
17 |
|
|
* the code are not to be removed. |
18 |
|
|
* If this package is used in a product, Eric Young should be given attribution |
19 |
|
|
* as the author of the parts of the library used. |
20 |
|
|
* This can be in the form of a textual message at program startup or |
21 |
|
|
* in documentation (online or textual) provided with the package. |
22 |
|
|
* |
23 |
|
|
* Redistribution and use in source and binary forms, with or without |
24 |
|
|
* modification, are permitted provided that the following conditions |
25 |
|
|
* are met: |
26 |
|
|
* 1. Redistributions of source code must retain the copyright |
27 |
|
|
* notice, this list of conditions and the following disclaimer. |
28 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
29 |
|
|
* notice, this list of conditions and the following disclaimer in the |
30 |
|
|
* documentation and/or other materials provided with the distribution. |
31 |
|
|
* 3. All advertising materials mentioning features or use of this software |
32 |
|
|
* must display the following acknowledgement: |
33 |
|
|
* "This product includes cryptographic software written by |
34 |
|
|
* Eric Young (eay@cryptsoft.com)" |
35 |
|
|
* The word 'cryptographic' can be left out if the rouines from the library |
36 |
|
|
* being used are not cryptographic related :-). |
37 |
|
|
* 4. If you include any Windows specific code (or a derivative thereof) from |
38 |
|
|
* the apps directory (application code) you must include an acknowledgement: |
39 |
|
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
40 |
|
|
* |
41 |
|
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
42 |
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
43 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
44 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
45 |
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
46 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
47 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
48 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
49 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
50 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
51 |
|
|
* SUCH DAMAGE. |
52 |
|
|
* |
53 |
|
|
* The licence and distribution terms for any publically available version or |
54 |
|
|
* derivative of this code cannot be changed. i.e. this code cannot simply be |
55 |
|
|
* copied and put under another distribution licence |
56 |
|
|
* [including the GNU Public Licence.] |
57 |
|
|
*/ |
58 |
|
|
|
59 |
|
|
#include <stdio.h> |
60 |
|
|
|
61 |
|
|
#include <openssl/asn1.h> |
62 |
|
|
#include <openssl/err.h> |
63 |
|
|
|
64 |
|
|
#ifndef NO_OLD_ASN1 |
65 |
|
|
|
66 |
|
|
void * |
67 |
|
|
ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, void *x) |
68 |
|
|
{ |
69 |
|
|
unsigned char *b, *p; |
70 |
|
|
const unsigned char *p2; |
71 |
|
|
int i; |
72 |
|
|
char *ret; |
73 |
|
|
|
74 |
|
|
if (x == NULL) |
75 |
|
|
return (NULL); |
76 |
|
|
|
77 |
|
|
i = i2d(x, NULL); |
78 |
|
|
b = malloc(i + 10); |
79 |
|
|
if (b == NULL) { |
80 |
|
|
ASN1error(ERR_R_MALLOC_FAILURE); |
81 |
|
|
return (NULL); |
82 |
|
|
} |
83 |
|
|
p = b; |
84 |
|
|
i = i2d(x, &p); |
85 |
|
|
p2 = b; |
86 |
|
|
ret = d2i(NULL, &p2, i); |
87 |
|
|
free(b); |
88 |
|
|
return (ret); |
89 |
|
|
} |
90 |
|
|
|
91 |
|
|
#endif |
92 |
|
|
|
93 |
|
|
/* ASN1_ITEM version of dup: this follows the model above except we don't need |
94 |
|
|
* to allocate the buffer. At some point this could be rewritten to directly dup |
95 |
|
|
* the underlying structure instead of doing and encode and decode. |
96 |
|
|
*/ |
97 |
|
|
|
98 |
|
|
void * |
99 |
|
|
ASN1_item_dup(const ASN1_ITEM *it, void *x) |
100 |
|
|
{ |
101 |
|
2524 |
unsigned char *b = NULL; |
102 |
|
1262 |
const unsigned char *p; |
103 |
|
|
long i; |
104 |
|
|
void *ret; |
105 |
|
|
|
106 |
✗✓ |
1262 |
if (x == NULL) |
107 |
|
|
return (NULL); |
108 |
|
|
|
109 |
|
1262 |
i = ASN1_item_i2d(x, &b, it); |
110 |
✗✓ |
1262 |
if (b == NULL) { |
111 |
|
|
ASN1error(ERR_R_MALLOC_FAILURE); |
112 |
|
|
return (NULL); |
113 |
|
|
} |
114 |
|
1262 |
p = b; |
115 |
|
1262 |
ret = ASN1_item_d2i(NULL, &p, i, it); |
116 |
|
1262 |
free(b); |
117 |
|
1262 |
return (ret); |
118 |
|
1262 |
} |