xref: /freebsd/lib/libgssapi/gss_utils.c (revision f0a75d274af375d15b97b830966b99a02b7db911)
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 <string.h>
32 #include <errno.h>
33 
34 #include "utils.h"
35 
36 int
37 _gss_oid_equal(const gss_OID oid1, const gss_OID oid2)
38 {
39 	if (oid1->length != oid2->length)
40 		return (0);
41 	if (memcmp(oid1->elements, oid2->elements, oid1->length))
42 		return (0);
43 	return (1);
44 }
45 
46 OM_uint32
47 _gss_copy_oid(OM_uint32 *minor_status,
48     const gss_OID from_oid, gss_OID to_oid)
49 {
50 	size_t len = from_oid->length;
51 
52 	*minor_status = 0;
53 	to_oid->elements = malloc(len);
54 	if (!to_oid->elements) {
55 		*minor_status = ENOMEM;
56 		return GSS_S_FAILURE;
57 	}
58 	to_oid->length = len;
59 	memcpy(to_oid->elements, from_oid->elements, len);
60 	return (GSS_S_COMPLETE);
61 }
62 
63 
64 OM_uint32
65 _gss_copy_buffer(OM_uint32 *minor_status,
66     const gss_buffer_t from_buf, gss_buffer_t to_buf)
67 {
68 	size_t len = from_buf->length;
69 
70 	*minor_status = 0;
71 	to_buf->value = malloc(len);
72 	if (!to_buf->value) {
73 		*minor_status = ENOMEM;
74 		return GSS_S_FAILURE;
75 	}
76 	to_buf->length = len;
77 	memcpy(to_buf->value, from_buf->value, len);
78 	return (GSS_S_COMPLETE);
79 }
80 
81