1153838Sdfr/*-
2153838Sdfr * Copyright (c) 2005 Doug Rabson
3153838Sdfr * All rights reserved.
4153838Sdfr *
5153838Sdfr * Redistribution and use in source and binary forms, with or without
6153838Sdfr * modification, are permitted provided that the following conditions
7153838Sdfr * are met:
8153838Sdfr * 1. Redistributions of source code must retain the above copyright
9153838Sdfr *    notice, this list of conditions and the following disclaimer.
10153838Sdfr * 2. Redistributions in binary form must reproduce the above copyright
11153838Sdfr *    notice, this list of conditions and the following disclaimer in the
12153838Sdfr *    documentation and/or other materials provided with the distribution.
13153838Sdfr *
14153838Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15153838Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16153838Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17153838Sdfr * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18153838Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19153838Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20153838Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21153838Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22153838Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23153838Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24153838Sdfr * SUCH DAMAGE.
25153838Sdfr *
26153838Sdfr *	$FreeBSD$
27153838Sdfr */
28153838Sdfr
29153838Sdfr#include <gssapi/gssapi.h>
30153838Sdfr#include <stdlib.h>
31168338Skan#include <string.h>
32153838Sdfr#include <errno.h>
33153838Sdfr
34153838Sdfr#include "utils.h"
35153838Sdfr
36153838Sdfrint
37178828Sdfrgss_oid_equal(const gss_OID oid1, const gss_OID oid2)
38153838Sdfr{
39178689Sdfr
40178689Sdfr	if (oid1 == oid2)
41178689Sdfr		return (1);
42178689Sdfr	if (!oid1 || !oid2)
43178689Sdfr		return (0);
44153838Sdfr	if (oid1->length != oid2->length)
45153838Sdfr		return (0);
46153838Sdfr	if (memcmp(oid1->elements, oid2->elements, oid1->length))
47153838Sdfr		return (0);
48153838Sdfr	return (1);
49153838Sdfr}
50153838Sdfr
51153838SdfrOM_uint32
52153838Sdfr_gss_copy_oid(OM_uint32 *minor_status,
53153838Sdfr    const gss_OID from_oid, gss_OID to_oid)
54153838Sdfr{
55153838Sdfr	size_t len = from_oid->length;
56153838Sdfr
57153838Sdfr	*minor_status = 0;
58153838Sdfr	to_oid->elements = malloc(len);
59153838Sdfr	if (!to_oid->elements) {
60178828Sdfr		to_oid->length = 0;
61153838Sdfr		*minor_status = ENOMEM;
62153838Sdfr		return GSS_S_FAILURE;
63153838Sdfr	}
64153838Sdfr	to_oid->length = len;
65153838Sdfr	memcpy(to_oid->elements, from_oid->elements, len);
66153838Sdfr	return (GSS_S_COMPLETE);
67153838Sdfr}
68153838Sdfr
69181344SdfrOM_uint32
70181344Sdfr_gss_free_oid(OM_uint32 *minor_status, gss_OID oid)
71181344Sdfr{
72153838Sdfr
73181344Sdfr	*minor_status = 0;
74181344Sdfr	if (oid->elements) {
75181344Sdfr		free(oid->elements);
76181344Sdfr		oid->elements = NULL;
77181344Sdfr		oid->length = 0;
78181344Sdfr	}
79181344Sdfr	return (GSS_S_COMPLETE);
80181344Sdfr}
81181344Sdfr
82153838SdfrOM_uint32
83153838Sdfr_gss_copy_buffer(OM_uint32 *minor_status,
84153838Sdfr    const gss_buffer_t from_buf, gss_buffer_t to_buf)
85153838Sdfr{
86153838Sdfr	size_t len = from_buf->length;
87153838Sdfr
88153838Sdfr	*minor_status = 0;
89153838Sdfr	to_buf->value = malloc(len);
90153838Sdfr	if (!to_buf->value) {
91153838Sdfr		*minor_status = ENOMEM;
92178828Sdfr		to_buf->length = 0;
93153838Sdfr		return GSS_S_FAILURE;
94153838Sdfr	}
95153838Sdfr	to_buf->length = len;
96153838Sdfr	memcpy(to_buf->value, from_buf->value, len);
97153838Sdfr	return (GSS_S_COMPLETE);
98153838Sdfr}
99153838Sdfr
100