1 /* $NetBSD: gss_names.c,v 1.2 2017/01/28 21:31:46 christos Exp $ */
2
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 * $FreeBSD: src/lib/libgssapi/gss_names.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
29 */
30
31 #include "mech_locl.h"
32
33 OM_uint32
_gss_find_mn(OM_uint32 * minor_status,struct _gss_name * name,gss_OID mech,struct _gss_mechanism_name ** output_mn)34 _gss_find_mn(OM_uint32 *minor_status, struct _gss_name *name, gss_OID mech,
35 struct _gss_mechanism_name **output_mn)
36 {
37 OM_uint32 major_status;
38 gssapi_mech_interface m;
39 struct _gss_mechanism_name *mn;
40
41 *output_mn = NULL;
42
43 HEIM_SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
44 if (gss_oid_equal(mech, mn->gmn_mech_oid))
45 break;
46 }
47
48 if (!mn) {
49 /*
50 * If this name is canonical (i.e. there is only an
51 * MN but it is from a different mech), give up now.
52 */
53 if (!name->gn_value.value)
54 return GSS_S_BAD_NAME;
55
56 m = __gss_get_mechanism(mech);
57 if (!m)
58 return (GSS_S_BAD_MECH);
59
60 mn = malloc(sizeof(struct _gss_mechanism_name));
61 if (!mn)
62 return GSS_S_FAILURE;
63
64 major_status = m->gm_import_name(minor_status,
65 &name->gn_value,
66 (name->gn_type.elements
67 ? &name->gn_type : GSS_C_NO_OID),
68 &mn->gmn_name);
69 if (major_status != GSS_S_COMPLETE) {
70 _gss_mg_error(m, major_status, *minor_status);
71 free(mn);
72 return major_status;
73 }
74
75 mn->gmn_mech = m;
76 mn->gmn_mech_oid = &m->gm_mech_oid;
77 HEIM_SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
78 }
79 *output_mn = mn;
80 return 0;
81 }
82
83
84 /*
85 * Make a name from an MN.
86 */
87 struct _gss_name *
_gss_make_name(gssapi_mech_interface m,gss_name_t new_mn)88 _gss_make_name(gssapi_mech_interface m, gss_name_t new_mn)
89 {
90 struct _gss_name *name;
91 struct _gss_mechanism_name *mn;
92
93 name = malloc(sizeof(struct _gss_name));
94 if (!name)
95 return (0);
96 memset(name, 0, sizeof(struct _gss_name));
97
98 mn = malloc(sizeof(struct _gss_mechanism_name));
99 if (!mn) {
100 free(name);
101 return (0);
102 }
103
104 HEIM_SLIST_INIT(&name->gn_mn);
105 mn->gmn_mech = m;
106 mn->gmn_mech_oid = &m->gm_mech_oid;
107 mn->gmn_name = new_mn;
108 HEIM_SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
109
110 return (name);
111 }
112
113