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58964a49 | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
2 | * All rights reserved. |
3 | * | |
4 | * This package is an SSL implementation written | |
5 | * by Eric Young (eay@cryptsoft.com). | |
6 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 7 | * |
d02b48c6 RE |
8 | * This library is free for commercial and non-commercial use as long as |
9 | * the following conditions are aheared to. The following conditions | |
10 | * apply to all code found in this distribution, be it the RC4, RSA, | |
11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
12 | * included with this distribution is covered by the same copyright terms | |
13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 14 | * |
d02b48c6 RE |
15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
16 | * the code are not to be removed. | |
17 | * If this package is used in a product, Eric Young should be given attribution | |
18 | * as the author of the parts of the library used. | |
19 | * This can be in the form of a textual message at program startup or | |
20 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 21 | * |
d02b48c6 RE |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
25 | * 1. Redistributions of source code must retain the copyright | |
26 | * notice, this list of conditions and the following disclaimer. | |
27 | * 2. Redistributions in binary form must reproduce the above copyright | |
28 | * notice, this list of conditions and the following disclaimer in the | |
29 | * documentation and/or other materials provided with the distribution. | |
30 | * 3. All advertising materials mentioning features or use of this software | |
31 | * must display the following acknowledgement: | |
32 | * "This product includes cryptographic software written by | |
33 | * Eric Young (eay@cryptsoft.com)" | |
34 | * The word 'cryptographic' can be left out if the rouines from the library | |
35 | * being used are not cryptographic related :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
d02b48c6 RE |
40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
d02b48c6 RE |
52 | * The licence and distribution terms for any publically available version or |
53 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
54 | * copied and put under another distribution licence | |
55 | * [including the GNU Public Licence.] | |
56 | */ | |
57 | ||
58 | #include <stdio.h> | |
b39fc560 | 59 | #include "internal/cryptlib.h" |
ec577822 BM |
60 | #include <openssl/lhash.h> |
61 | #include <openssl/objects.h> | |
62 | #include <openssl/buffer.h> | |
2e430277 | 63 | #include "internal/asn1_int.h" |
d02b48c6 | 64 | |
8d28d5f8 | 65 | ASN1_OBJECT *OBJ_dup(const ASN1_OBJECT *o) |
0f113f3e MC |
66 | { |
67 | ASN1_OBJECT *r; | |
68 | int i; | |
69 | char *ln = NULL, *sn = NULL; | |
70 | unsigned char *data = NULL; | |
d02b48c6 | 71 | |
0f113f3e MC |
72 | if (o == NULL) |
73 | return (NULL); | |
74 | if (!(o->flags & ASN1_OBJECT_FLAG_DYNAMIC)) | |
75 | return ((ASN1_OBJECT *)o); /* XXX: ugh! Why? What kind of duplication | |
76 | * is this??? */ | |
d02b48c6 | 77 | |
0f113f3e MC |
78 | r = ASN1_OBJECT_new(); |
79 | if (r == NULL) { | |
80 | OBJerr(OBJ_F_OBJ_DUP, ERR_R_ASN1_LIB); | |
81 | return (NULL); | |
82 | } | |
83 | data = OPENSSL_malloc(o->length); | |
84 | if (data == NULL) | |
85 | goto err; | |
86 | if (o->data != NULL) | |
87 | memcpy(data, o->data, o->length); | |
88 | /* once data attached to object it remains const */ | |
89 | r->data = data; | |
90 | r->length = o->length; | |
91 | r->nid = o->nid; | |
92 | r->ln = r->sn = NULL; | |
93 | if (o->ln != NULL) { | |
94 | i = strlen(o->ln) + 1; | |
95 | ln = OPENSSL_malloc(i); | |
96 | if (ln == NULL) | |
97 | goto err; | |
98 | memcpy(ln, o->ln, i); | |
99 | r->ln = ln; | |
100 | } | |
d02b48c6 | 101 | |
0f113f3e MC |
102 | if (o->sn != NULL) { |
103 | i = strlen(o->sn) + 1; | |
104 | sn = OPENSSL_malloc(i); | |
105 | if (sn == NULL) | |
106 | goto err; | |
107 | memcpy(sn, o->sn, i); | |
108 | r->sn = sn; | |
109 | } | |
110 | r->flags = o->flags | (ASN1_OBJECT_FLAG_DYNAMIC | | |
111 | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | | |
112 | ASN1_OBJECT_FLAG_DYNAMIC_DATA); | |
113 | return (r); | |
114 | err: | |
115 | OBJerr(OBJ_F_OBJ_DUP, ERR_R_MALLOC_FAILURE); | |
b548a1f1 RS |
116 | OPENSSL_free(ln); |
117 | OPENSSL_free(sn); | |
118 | OPENSSL_free(data); | |
119 | OPENSSL_free(r); | |
0f113f3e MC |
120 | return (NULL); |
121 | } | |
d02b48c6 | 122 | |
8d28d5f8 | 123 | int OBJ_cmp(const ASN1_OBJECT *a, const ASN1_OBJECT *b) |
0f113f3e MC |
124 | { |
125 | int ret; | |
d02b48c6 | 126 | |
0f113f3e MC |
127 | ret = (a->length - b->length); |
128 | if (ret) | |
129 | return (ret); | |
130 | return (memcmp(a->data, b->data, a->length)); | |
131 | } |