xref: /freebsd/lib/libgssapi/gss_utils.c (revision d056fa046c6a91b90cd98165face0e42a33a5173)
1 /*-
2  * Copyright (c) 2005 Doug Rabson
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  *	$FreeBSD$
27  */
28 
29 #include <gssapi/gssapi.h>
30 #include <stdlib.h>
31 #include <errno.h>
32 
33 #include "utils.h"
34 
35 int
36 _gss_oid_equal(const gss_OID oid1, const gss_OID oid2)
37 {
38 	if (oid1->length != oid2->length)
39 		return (0);
40 	if (memcmp(oid1->elements, oid2->elements, oid1->length))
41 		return (0);
42 	return (1);
43 }
44 
45 OM_uint32
46 _gss_copy_oid(OM_uint32 *minor_status,
47     const gss_OID from_oid, gss_OID to_oid)
48 {
49 	size_t len = from_oid->length;
50 
51 	*minor_status = 0;
52 	to_oid->elements = malloc(len);
53 	if (!to_oid->elements) {
54 		*minor_status = ENOMEM;
55 		return GSS_S_FAILURE;
56 	}
57 	to_oid->length = len;
58 	memcpy(to_oid->elements, from_oid->elements, len);
59 	return (GSS_S_COMPLETE);
60 }
61 
62 
63 OM_uint32
64 _gss_copy_buffer(OM_uint32 *minor_status,
65     const gss_buffer_t from_buf, gss_buffer_t to_buf)
66 {
67 	size_t len = from_buf->length;
68 
69 	*minor_status = 0;
70 	to_buf->value = malloc(len);
71 	if (!to_buf->value) {
72 		*minor_status = ENOMEM;
73 		return GSS_S_FAILURE;
74 	}
75 	to_buf->length = len;
76 	memcpy(to_buf->value, from_buf->value, len);
77 	return (GSS_S_COMPLETE);
78 }
79 
80