1/*
2 * Copyright (c) 1997 - 2001, 2003 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "mech_locl.h"
35
36/**
37 * Add a oid to the oid set, function does not make a copy of the oid,
38 * so the pointer to member_oid needs to be stable for the whole time
39 * oid_set is used.
40 *
41 * If there is a duplicate member of the oid, the new member is not
42 * added to to the set.
43 *
44 * @param minor_status minor status code.
45 * @param member_oid member to add to the oid set
46 * @param oid_set oid set to add the member too
47 *
48 * @returns a gss_error code, see gss_display_status() about printing
49 *          the error code.
50 *
51 * @ingroup gssapi
52 */
53
54GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
55gss_add_oid_set_member (OM_uint32 * minor_status,
56			const gss_OID member_oid,
57			gss_OID_set * oid_set)
58{
59    gss_OID tmp;
60    size_t n;
61    OM_uint32 res;
62    int present;
63
64    res = gss_test_oid_set_member(minor_status, member_oid, *oid_set, &present);
65    if (res != GSS_S_COMPLETE)
66	return res;
67
68    if (present) {
69	*minor_status = 0;
70	return GSS_S_COMPLETE;
71    }
72
73    n = (*oid_set)->count + 1;
74    tmp = realloc ((*oid_set)->elements, n * sizeof(gss_OID_desc));
75    if (tmp == NULL) {
76	*minor_status = ENOMEM;
77	return GSS_S_FAILURE;
78    }
79    (*oid_set)->elements = tmp;
80    (*oid_set)->count = n;
81    (*oid_set)->elements[n-1] = *member_oid;
82    *minor_status = 0;
83    return GSS_S_COMPLETE;
84}
85