Branch data Line data Source code
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 : :
65 : 51698 : ASN1_OBJECT *OBJ_dup(const ASN1_OBJECT *o)
66 : : {
67 : : ASN1_OBJECT *r;
68 : : int i;
69 : 51698 : char *ln=NULL,*sn=NULL;
70 : 51698 : unsigned char *data=NULL;
71 : :
72 [ + - ]: 51698 : if (o == NULL) return(NULL);
73 [ + + ]: 51698 : if (!(o->flags & ASN1_OBJECT_FLAG_DYNAMIC))
74 : : return((ASN1_OBJECT *)o); /* XXX: ugh! Why? What kind of
75 : : duplication is this??? */
76 : :
77 : 50565 : r=ASN1_OBJECT_new();
78 [ - + ]: 50565 : if (r == NULL)
79 : : {
80 : 0 : OBJerr(OBJ_F_OBJ_DUP,ERR_R_ASN1_LIB);
81 : 0 : return(NULL);
82 : : }
83 : 50565 : data=OPENSSL_malloc(o->length);
84 [ + - ]: 50565 : if (data == NULL)
85 : : goto err;
86 [ + - ]: 50565 : if (o->data != NULL)
87 : 50565 : memcpy(data,o->data,o->length);
88 : : /* once data attached to object it remains const */
89 : 50565 : r->data = data;
90 : 50565 : r->length=o->length;
91 : 50565 : r->nid=o->nid;
92 : 50565 : r->ln=r->sn=NULL;
93 [ + + ]: 50565 : if (o->ln != NULL)
94 : : {
95 : 368 : i=strlen(o->ln)+1;
96 : 368 : ln=OPENSSL_malloc(i);
97 [ + - ]: 368 : if (ln == NULL) goto err;
98 : 368 : memcpy(ln,o->ln,i);
99 : 368 : r->ln=ln;
100 : : }
101 : :
102 [ + + ]: 50565 : if (o->sn != NULL)
103 : : {
104 : 368 : i=strlen(o->sn)+1;
105 : 368 : sn=OPENSSL_malloc(i);
106 [ + - ]: 368 : if (sn == NULL) goto err;
107 : 368 : memcpy(sn,o->sn,i);
108 : 368 : r->sn=sn;
109 : : }
110 : 50565 : r->flags=o->flags|(ASN1_OBJECT_FLAG_DYNAMIC|
111 : : ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|ASN1_OBJECT_FLAG_DYNAMIC_DATA);
112 : 50565 : return(r);
113 : : err:
114 : 0 : OBJerr(OBJ_F_OBJ_DUP,ERR_R_MALLOC_FAILURE);
115 [ # # ]: 0 : if (ln != NULL) OPENSSL_free(ln);
116 [ # # ]: 0 : if (sn != NULL) OPENSSL_free(sn);
117 [ # # ]: 0 : if (data != NULL) OPENSSL_free(data);
118 [ # # ]: 0 : if (r != NULL) OPENSSL_free(r);
119 : : return(NULL);
120 : : }
121 : :
122 : 92725 : int OBJ_cmp(const ASN1_OBJECT *a, const ASN1_OBJECT *b)
123 : : {
124 : : int ret;
125 : :
126 : 92725 : ret=(a->length-b->length);
127 [ + + ]: 92725 : if (ret) return(ret);
128 : 50321 : return(memcmp(a->data,b->data,a->length));
129 : : }
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