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diff --git a/src/lib/libcrypto/objects/obj_lib.c b/src/lib/libcrypto/objects/obj_lib.c
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1/* crypto/objects/obj_lib.c */
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#include "cryptlib.h"
61#include <openssl/lhash.h>
62#include <openssl/objects.h>
63#include <openssl/buffer.h>
64
65ASN1_OBJECT *OBJ_dup(const ASN1_OBJECT *o)
66 {
67 ASN1_OBJECT *r;
68 int i;
69 char *ln=NULL;
70
71 if (o == NULL) return(NULL);
72 if (!(o->flags & ASN1_OBJECT_FLAG_DYNAMIC))
73 return((ASN1_OBJECT *)o); /* XXX: ugh! Why? What kind of
74 duplication is this??? */
75
76 r=ASN1_OBJECT_new();
77 if (r == NULL)
78 {
79 OBJerr(OBJ_F_OBJ_DUP,ERR_R_ASN1_LIB);
80 return(NULL);
81 }
82 r->data=OPENSSL_malloc(o->length);
83 if (r->data == NULL)
84 goto err;
85 memcpy(r->data,o->data,o->length);
86 r->length=o->length;
87 r->nid=o->nid;
88 r->ln=r->sn=NULL;
89 if (o->ln != NULL)
90 {
91 i=strlen(o->ln)+1;
92 r->ln=ln=OPENSSL_malloc(i);
93 if (r->ln == NULL) goto err;
94 memcpy(ln,o->ln,i);
95 }
96
97 if (o->sn != NULL)
98 {
99 char *s;
100
101 i=strlen(o->sn)+1;
102 r->sn=s=OPENSSL_malloc(i);
103 if (r->sn == NULL) goto err;
104 memcpy(s,o->sn,i);
105 }
106 r->flags=o->flags|(ASN1_OBJECT_FLAG_DYNAMIC|
107 ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|ASN1_OBJECT_FLAG_DYNAMIC_DATA);
108 return(r);
109err:
110 OBJerr(OBJ_F_OBJ_DUP,ERR_R_MALLOC_FAILURE);
111 if (r != NULL)
112 {
113 if (ln != NULL) OPENSSL_free(ln);
114 if (r->data != NULL) OPENSSL_free(r->data);
115 OPENSSL_free(r);
116 }
117 return(NULL);
118 }
119
120int OBJ_cmp(const ASN1_OBJECT *a, const ASN1_OBJECT *b)
121 {
122 int ret;
123
124 ret=(a->length-b->length);
125 if (ret) return(ret);
126 return(memcmp(a->data,b->data,a->length));
127 }