1 /* crypto/objects/obj_lib.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
61 #include <openssl/lhash.h>
62 #include <openssl/objects.h>
63 #include <openssl/buffer.h>
65 ASN1_OBJECT
*OBJ_dup(const ASN1_OBJECT
*o
)
69 char *ln
=NULL
,*sn
=NULL
;
70 unsigned char *data
=NULL
;
72 if (o
== NULL
) return(NULL
);
73 if (!(o
->flags
& ASN1_OBJECT_FLAG_DYNAMIC
))
74 return((ASN1_OBJECT
*)o
); /* XXX: ugh! Why? What kind of
75 duplication is this??? */
80 OBJerr(OBJ_F_OBJ_DUP
,ERR_R_ASN1_LIB
);
83 data
=OPENSSL_malloc(o
->length
);
87 memcpy(data
,o
->data
,o
->length
);
88 /* once data attached to object it remains const */
97 if (ln
== NULL
) goto err
;
105 sn
=OPENSSL_malloc(i
);
106 if (sn
== NULL
) goto err
;
110 r
->flags
=o
->flags
|(ASN1_OBJECT_FLAG_DYNAMIC
|
111 ASN1_OBJECT_FLAG_DYNAMIC_STRINGS
|ASN1_OBJECT_FLAG_DYNAMIC_DATA
);
114 OBJerr(OBJ_F_OBJ_DUP
,ERR_R_MALLOC_FAILURE
);
115 if (ln
!= NULL
) OPENSSL_free(ln
);
116 if (sn
!= NULL
) OPENSSL_free(sn
);
117 if (data
!= NULL
) OPENSSL_free(data
);
118 if (r
!= NULL
) OPENSSL_free(r
);
122 int OBJ_cmp(const ASN1_OBJECT
*a
, const ASN1_OBJECT
*b
)
126 ret
=(a
->length
-b
->length
);
127 if (ret
) return(ret
);
128 return(memcmp(a
->data
,b
->data
,a
->length
));