xref: /freebsd/lib/libgssapi/gss_duplicate_oid.c (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2008 Doug Rabson
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <gssapi/gssapi.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <errno.h>
33 
34 OM_uint32 gss_duplicate_oid(OM_uint32 *minor_status,
35     const gss_OID src_oid,
36     gss_OID *dest_oid_p)
37 {
38 	gss_OID dest_oid;
39 
40 	*minor_status = 0;
41 	*dest_oid_p = GSS_C_NO_OID;
42 
43 	if (src_oid == GSS_C_NO_OID)
44 		return (GSS_S_COMPLETE);
45 
46 	dest_oid = malloc(sizeof(gss_OID_desc));
47 	if (!dest_oid) {
48 		*minor_status = ENOMEM;
49 		return (GSS_S_FAILURE);
50 	}
51 
52 	dest_oid->elements = malloc(src_oid->length);
53 	if (!dest_oid->elements) {
54 		free(dest_oid);
55 		*minor_status = ENOMEM;
56 		return (GSS_S_FAILURE);
57 	}
58 
59 	memcpy(dest_oid->elements, src_oid->elements, src_oid->length);
60 	dest_oid->length = src_oid->length;
61 
62 	*dest_oid_p = dest_oid;
63 
64 	return (GSS_S_COMPLETE);
65 }
66