1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2005 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 #include "utils.h"
35
36 int
gss_oid_equal(const gss_OID oid1,const gss_OID oid2)37 gss_oid_equal(const gss_OID oid1, const gss_OID oid2)
38 {
39
40 if (oid1 == oid2)
41 return (1);
42 if (!oid1 || !oid2)
43 return (0);
44 if (oid1->length != oid2->length)
45 return (0);
46 if (memcmp(oid1->elements, oid2->elements, oid1->length))
47 return (0);
48 return (1);
49 }
50
51 OM_uint32
_gss_copy_oid(OM_uint32 * minor_status,const gss_OID from_oid,gss_OID to_oid)52 _gss_copy_oid(OM_uint32 *minor_status,
53 const gss_OID from_oid, gss_OID to_oid)
54 {
55 size_t len = from_oid->length;
56
57 *minor_status = 0;
58 to_oid->elements = malloc(len);
59 if (!to_oid->elements) {
60 to_oid->length = 0;
61 *minor_status = ENOMEM;
62 return GSS_S_FAILURE;
63 }
64 to_oid->length = len;
65 memcpy(to_oid->elements, from_oid->elements, len);
66 return (GSS_S_COMPLETE);
67 }
68
69 OM_uint32
_gss_free_oid(OM_uint32 * minor_status,gss_OID oid)70 _gss_free_oid(OM_uint32 *minor_status, gss_OID oid)
71 {
72
73 *minor_status = 0;
74 if (oid->elements) {
75 free(oid->elements);
76 oid->elements = NULL;
77 oid->length = 0;
78 }
79 return (GSS_S_COMPLETE);
80 }
81
82 OM_uint32
_gss_copy_buffer(OM_uint32 * minor_status,const gss_buffer_t from_buf,gss_buffer_t to_buf)83 _gss_copy_buffer(OM_uint32 *minor_status,
84 const gss_buffer_t from_buf, gss_buffer_t to_buf)
85 {
86 size_t len = from_buf->length;
87
88 *minor_status = 0;
89 to_buf->value = malloc(len);
90 if (!to_buf->value) {
91 *minor_status = ENOMEM;
92 to_buf->length = 0;
93 return GSS_S_FAILURE;
94 }
95 to_buf->length = len;
96 memcpy(to_buf->value, from_buf->value, len);
97 return (GSS_S_COMPLETE);
98 }
99
100