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d02b48c6 | 1 | /* crypto/objects/obj_lib.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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" | |
ec577822 BM |
61 | #include <openssl/lhash.h> |
62 | #include <openssl/objects.h> | |
63 | #include <openssl/buffer.h> | |
d02b48c6 | 64 | |
6b691a5c | 65 | ASN1_OBJECT *OBJ_dup(ASN1_OBJECT *o) |
d02b48c6 RE |
66 | { |
67 | ASN1_OBJECT *r; | |
68 | int i; | |
e778802f | 69 | char *ln=NULL; |
d02b48c6 RE |
70 | |
71 | if (o == NULL) return(NULL); | |
72 | if (!(o->flags & ASN1_OBJECT_FLAG_DYNAMIC)) | |
73 | return(o); | |
74 | ||
e778802f | 75 | r=ASN1_OBJECT_new(); |
d02b48c6 RE |
76 | if (r == NULL) |
77 | { | |
78 | OBJerr(OBJ_F_OBJ_DUP,ERR_R_ASN1_LIB); | |
79 | return(NULL); | |
80 | } | |
e778802f | 81 | r->data=Malloc(o->length); |
d02b48c6 RE |
82 | if (r->data == NULL) |
83 | goto err; | |
84 | memcpy(r->data,o->data,o->length); | |
85 | r->length=o->length; | |
86 | r->nid=o->nid; | |
87 | r->ln=r->sn=NULL; | |
88 | if (o->ln != NULL) | |
89 | { | |
90 | i=strlen(o->ln)+1; | |
e778802f | 91 | r->ln=ln=Malloc(i); |
d02b48c6 | 92 | if (r->ln == NULL) goto err; |
e778802f | 93 | memcpy(ln,o->ln,i); |
d02b48c6 RE |
94 | } |
95 | ||
96 | if (o->sn != NULL) | |
97 | { | |
e778802f BL |
98 | char *s; |
99 | ||
d02b48c6 | 100 | i=strlen(o->sn)+1; |
e778802f | 101 | r->sn=s=Malloc(i); |
d02b48c6 | 102 | if (r->sn == NULL) goto err; |
e778802f | 103 | memcpy(s,o->sn,i); |
d02b48c6 RE |
104 | } |
105 | r->flags=o->flags|(ASN1_OBJECT_FLAG_DYNAMIC| | |
dfeab068 | 106 | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|ASN1_OBJECT_FLAG_DYNAMIC_DATA); |
d02b48c6 RE |
107 | return(r); |
108 | err: | |
109 | OBJerr(OBJ_F_OBJ_DUP,ERR_R_MALLOC_FAILURE); | |
110 | if (r != NULL) | |
111 | { | |
e778802f | 112 | if (ln != NULL) Free(ln); |
d02b48c6 RE |
113 | if (r->data != NULL) Free(r->data); |
114 | Free(r); | |
115 | } | |
116 | return(NULL); | |
117 | } | |
118 | ||
6b691a5c | 119 | int OBJ_cmp(ASN1_OBJECT *a, ASN1_OBJECT *b) |
d02b48c6 RE |
120 | { |
121 | int ret; | |
122 | ||
123 | ret=(a->length-b->length); | |
124 | if (ret) return(ret); | |
125 | return(memcmp(a->data,b->data,a->length)); | |
126 | } |