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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 OM_uint32
34 gss_add_oid_set_member(OM_uint32 *minor_status,
35     const gss_OID member_oid,
36     gss_OID_set *oid_set)
37 {
38         OM_uint32 major_status;
39         gss_OID_set set = *oid_set;
40         gss_OID new_elements;
41         gss_OID new_oid;
42         int t;
43
44         *minor_status = 0;
45
46         major_status = gss_test_oid_set_member(minor_status,
47             member_oid, *oid_set, &t);
48         if (major_status)
49                 return (major_status);
50         if (t)
51                 return (GSS_S_COMPLETE);
52
53         new_elements = malloc((set->count + 1) * sizeof(gss_OID_desc));
54         if (!new_elements) {
55                 *minor_status = ENOMEM;
56                 return (GSS_S_FAILURE);
57         }
58
59         new_oid = &new_elements[set->count];
60         new_oid->elements = malloc(member_oid->length);
61         if (!new_oid->elements) {
62                 free(new_elements);
63                 return (GSS_S_FAILURE);
64         }
65         new_oid->length = member_oid->length;
66         memcpy(new_oid->elements, member_oid->elements, member_oid->length);
67
68         if (set->elements) {
69                 memcpy(new_elements, set->elements,
70                     set->count * sizeof(gss_OID_desc));
71                 free(set->elements);
72         }
73         set->elements = new_elements;
74         set->count++;
75
76         return (GSS_S_COMPLETE);
77 }