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DEFINITIONS
This source file includes following definitions.
- _gss_find_mn
- _gss_make_name
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: src/lib/libgssapi/gss_names.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
27 */
28
29 #include "mech_locl.h"
30 RCSID("$Id$");
31
32 OM_uint32
33 _gss_find_mn(OM_uint32 *minor_status, struct _gss_name *name, gss_OID mech,
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34 struct _gss_mechanism_name **output_mn)
35 {
36 OM_uint32 major_status;
37 gssapi_mech_interface m;
38 struct _gss_mechanism_name *mn;
39
40 *output_mn = NULL;
41
42 SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
43 if (gss_oid_equal(mech, mn->gmn_mech_oid))
44 break;
45 }
46
47 if (!mn) {
48 /*
49 * If this name is canonical (i.e. there is only an
50 * MN but it is from a different mech), give up now.
51 */
52 if (!name->gn_value.value)
53 return GSS_S_BAD_NAME;
54
55 m = __gss_get_mechanism(mech);
56 if (!m)
57 return (GSS_S_BAD_MECH);
58
59 mn = malloc(sizeof(struct _gss_mechanism_name));
60 if (!mn)
61 return GSS_S_FAILURE;
62
63 major_status = m->gm_import_name(minor_status,
64 &name->gn_value,
65 (name->gn_type.elements
66 ? &name->gn_type : GSS_C_NO_OID),
67 &mn->gmn_name);
68 if (major_status != GSS_S_COMPLETE) {
69 _gss_mg_error(m, major_status, *minor_status);
70 free(mn);
71 return major_status;
72 }
73
74 mn->gmn_mech = m;
75 mn->gmn_mech_oid = &m->gm_mech_oid;
76 SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
77 }
78 *output_mn = mn;
79 return 0;
80 }
81
82
83 /*
84 * Make a name from an MN.
85 */
86 struct _gss_name *
87 _gss_make_name(gssapi_mech_interface m, gss_name_t new_mn)
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88 {
89 struct _gss_name *name;
90 struct _gss_mechanism_name *mn;
91
92 name = malloc(sizeof(struct _gss_name));
93 if (!name)
94 return (0);
95 memset(name, 0, sizeof(struct _gss_name));
96
97 mn = malloc(sizeof(struct _gss_mechanism_name));
98 if (!mn) {
99 free(name);
100 return (0);
101 }
102
103 SLIST_INIT(&name->gn_mn);
104 mn->gmn_mech = m;
105 mn->gmn_mech_oid = &m->gm_mech_oid;
106 mn->gmn_name = new_mn;
107 SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
108
109 return (name);
110 }
111